Commit | Line | Data |
---|---|---|
4b88f280 | 1 | #line 2 "perl.c" |
a0d0e21e LW |
2 | /* perl.c |
3 | * | |
737f4459 | 4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
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 | |
cdad3b53 | 16 | * --from Bilbo's song of EƤrendil |
4ac71550 TC |
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 | ||
2aa47728 | 41 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
42 | # ifdef I_SYSUIO |
43 | # include <sys/uio.h> | |
44 | # endif | |
45 | ||
46 | union control_un { | |
47 | struct cmsghdr cm; | |
48 | char control[CMSG_SPACE(sizeof(int))]; | |
49 | }; | |
50 | ||
2aa47728 NC |
51 | #endif |
52 | ||
5311654c JH |
53 | #ifdef __BEOS__ |
54 | # define HZ 1000000 | |
55 | #endif | |
56 | ||
57 | #ifndef HZ | |
58 | # ifdef CLK_TCK | |
59 | # define HZ CLK_TCK | |
60 | # else | |
61 | # define HZ 60 | |
62 | # endif | |
63 | #endif | |
64 | ||
7114a2d2 | 65 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 66 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 67 | #endif |
68 | ||
acfe0abc | 69 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 70 | |
cc69b689 | 71 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 72 | /* Drop everything. Heck, don't even try to call it */ |
cc69b689 NC |
73 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) NOOP |
74 | #else | |
ec2019ad | 75 | /* Drop almost everything */ |
cc69b689 | 76 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 77 | #endif |
8d063cd8 | 78 | |
d6f07c05 AL |
79 | #define CALL_BODY_SUB(myop) \ |
80 | if (PL_op == (myop)) \ | |
139d0ce6 | 81 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
82 | if (PL_op) \ |
83 | CALLRUNOPS(aTHX); | |
84 | ||
85 | #define CALL_LIST_BODY(cv) \ | |
86 | PUSHMARK(PL_stack_sp); \ | |
ad64d0ec | 87 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD); |
d6f07c05 | 88 | |
e6827a76 | 89 | static void |
daa7d858 | 90 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 91 | { |
27da23d5 | 92 | dVAR; |
e6827a76 NC |
93 | if (!PL_curinterp) { |
94 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 95 | #if defined(USE_ITHREADS) |
e6827a76 NC |
96 | INIT_THREADS; |
97 | ALLOC_THREAD_KEY; | |
98 | PERL_SET_THX(my_perl); | |
99 | OP_REFCNT_INIT; | |
71ad1b0c | 100 | HINTS_REFCNT_INIT; |
e6827a76 | 101 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
102 | MUTEX_INIT(&PL_my_ctx_mutex); |
103 | # endif | |
e6827a76 | 104 | } |
c0bce9aa NC |
105 | #if defined(USE_ITHREADS) |
106 | else | |
107 | #else | |
108 | /* This always happens for non-ithreads */ | |
109 | #endif | |
110 | { | |
e6827a76 NC |
111 | PERL_SET_THX(my_perl); |
112 | } | |
113 | } | |
06d86050 | 114 | |
cbec8ebe DM |
115 | |
116 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
117 | ||
118 | void | |
119 | Perl_sys_init(int* argc, char*** argv) | |
120 | { | |
4fc0badb | 121 | dVAR; |
7918f24d NC |
122 | |
123 | PERL_ARGS_ASSERT_SYS_INIT; | |
124 | ||
cbec8ebe DM |
125 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
126 | PERL_UNUSED_ARG(argv); | |
127 | PERL_SYS_INIT_BODY(argc, argv); | |
128 | } | |
129 | ||
130 | void | |
131 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
132 | { | |
4fc0badb | 133 | dVAR; |
7918f24d NC |
134 | |
135 | PERL_ARGS_ASSERT_SYS_INIT3; | |
136 | ||
cbec8ebe DM |
137 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
138 | PERL_UNUSED_ARG(argv); | |
139 | PERL_UNUSED_ARG(env); | |
140 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
141 | } | |
142 | ||
143 | void | |
d0820ef1 | 144 | Perl_sys_term() |
cbec8ebe | 145 | { |
4fc0badb | 146 | dVAR; |
bf81751b DM |
147 | if (!PL_veto_cleanup) { |
148 | PERL_SYS_TERM_BODY(); | |
149 | } | |
cbec8ebe DM |
150 | } |
151 | ||
152 | ||
32e30700 GS |
153 | #ifdef PERL_IMPLICIT_SYS |
154 | PerlInterpreter * | |
7766f137 GS |
155 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
156 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
157 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
158 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
159 | struct IPerlProc* ipP) | |
160 | { | |
161 | PerlInterpreter *my_perl; | |
7918f24d NC |
162 | |
163 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
164 | ||
9f653bb5 | 165 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 166 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 167 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
168 | Zero(my_perl, 1, PerlInterpreter); |
169 | PL_Mem = ipM; | |
7766f137 GS |
170 | PL_MemShared = ipMS; |
171 | PL_MemParse = ipMP; | |
32e30700 GS |
172 | PL_Env = ipE; |
173 | PL_StdIO = ipStd; | |
174 | PL_LIO = ipLIO; | |
175 | PL_Dir = ipD; | |
176 | PL_Sock = ipS; | |
177 | PL_Proc = ipP; | |
7cb608b5 | 178 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 179 | |
32e30700 GS |
180 | return my_perl; |
181 | } | |
182 | #else | |
954c1994 GS |
183 | |
184 | /* | |
ccfc67b7 JH |
185 | =head1 Embedding Functions |
186 | ||
954c1994 GS |
187 | =for apidoc perl_alloc |
188 | ||
189 | Allocates a new Perl interpreter. See L<perlembed>. | |
190 | ||
191 | =cut | |
192 | */ | |
193 | ||
93a17b20 | 194 | PerlInterpreter * |
cea2e8a9 | 195 | perl_alloc(void) |
79072805 | 196 | { |
cea2e8a9 | 197 | PerlInterpreter *my_perl; |
79072805 | 198 | |
9f653bb5 | 199 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 200 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 201 | |
e6827a76 | 202 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 203 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 204 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
205 | #else |
206 | Zero(my_perl, 1, PerlInterpreter); | |
207 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
208 | return my_perl; | |
209 | #endif | |
79072805 | 210 | } |
32e30700 | 211 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 212 | |
954c1994 GS |
213 | /* |
214 | =for apidoc perl_construct | |
215 | ||
216 | Initializes a new Perl interpreter. See L<perlembed>. | |
217 | ||
218 | =cut | |
219 | */ | |
220 | ||
79072805 | 221 | void |
0cb96387 | 222 | perl_construct(pTHXx) |
79072805 | 223 | { |
27da23d5 | 224 | dVAR; |
7918f24d NC |
225 | |
226 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
227 | ||
8990e307 | 228 | #ifdef MULTIPLICITY |
54aff467 | 229 | init_interp(); |
ac27b0f5 | 230 | PL_perl_destruct_level = 1; |
54aff467 | 231 | #else |
7918f24d | 232 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
233 | if (PL_perl_destruct_level > 0) |
234 | init_interp(); | |
235 | #endif | |
34caed6d DM |
236 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
237 | ||
34caed6d DM |
238 | /* set read-only and try to insure than we wont see REFCNT==0 |
239 | very often */ | |
240 | ||
241 | SvREADONLY_on(&PL_sv_undef); | |
242 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
243 | ||
244 | sv_setpv(&PL_sv_no,PL_No); | |
245 | /* value lookup in void context - happens to have the side effect | |
a43d94f2 NC |
246 | of caching the numeric forms. However, as &PL_sv_no doesn't contain |
247 | a string that is a valid numer, we have to turn the public flags by | |
248 | hand: */ | |
34caed6d | 249 | SvNV(&PL_sv_no); |
c1939273 | 250 | SvIV(&PL_sv_no); |
a43d94f2 NC |
251 | SvIOK_on(&PL_sv_no); |
252 | SvNOK_on(&PL_sv_no); | |
34caed6d DM |
253 | SvREADONLY_on(&PL_sv_no); |
254 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
255 | ||
256 | sv_setpv(&PL_sv_yes,PL_Yes); | |
34caed6d | 257 | SvNV(&PL_sv_yes); |
c1939273 | 258 | SvIV(&PL_sv_yes); |
34caed6d DM |
259 | SvREADONLY_on(&PL_sv_yes); |
260 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
261 | ||
262 | SvREADONLY_on(&PL_sv_placeholder); | |
263 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
264 | ||
265 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 266 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 267 | PL_pidstatus = newHV(); |
ca0c25f6 | 268 | #endif |
79072805 | 269 | |
396482e1 | 270 | PL_rs = newSVpvs("\n"); |
dc92893f | 271 | |
cea2e8a9 | 272 | init_stacks(); |
79072805 | 273 | |
748a9306 | 274 | init_ids(); |
a5f75d66 | 275 | |
312caa8e | 276 | JMPENV_BOOTSTRAP; |
f86702cc | 277 | STATUS_ALL_SUCCESS; |
278 | ||
0672f40e | 279 | init_i18nl10n(1); |
36477c24 | 280 | SET_NUMERIC_STANDARD(); |
0b5b802d | 281 | |
ab821d7f | 282 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 283 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 284 | #endif |
285 | ||
52853b95 GS |
286 | #ifdef HAVE_INTERP_INTERN |
287 | sys_intern_init(); | |
288 | #endif | |
289 | ||
3a1ee7e8 | 290 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 291 | |
3280af22 NIS |
292 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
293 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 294 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
295 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
296 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
297 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 298 | #ifdef USE_ITHREADS |
402d2eb1 NC |
299 | /* First entry is a list of empty elements. It needs to be initialised |
300 | else all hell breaks loose in S_find_uninit_var(). */ | |
301 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 302 | PL_regex_pad = AvARRAY(PL_regex_padav); |
1fcf4c12 | 303 | #endif |
e5dd39fc | 304 | #ifdef USE_REENTRANT_API |
59bd0823 | 305 | Perl_reentrant_init(aTHX); |
e5dd39fc | 306 | #endif |
3d47000e AB |
307 | |
308 | /* Note that strtab is a rather special HV. Assumptions are made | |
309 | about not iterating on it, and not adding tie magic to it. | |
310 | It is properly deallocated in perl_destruct() */ | |
311 | PL_strtab = newHV(); | |
312 | ||
3d47000e AB |
313 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
314 | hv_ksplit(PL_strtab, 512); | |
315 | ||
0631ea03 AB |
316 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
317 | _dyld_lookup_and_bind | |
318 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
319 | #endif /* environ */ | |
320 | ||
2f42fcb0 JH |
321 | #ifndef PERL_MICRO |
322 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 323 | PL_origenviron = environ; |
2f42fcb0 | 324 | # endif |
0631ea03 AB |
325 | #endif |
326 | ||
5311654c | 327 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 328 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
329 | * BeOS has those, but returns the wrong value. |
330 | * The HZ if not originally defined has been by now | |
331 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 332 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
333 | PL_clocktick = sysconf(_SC_CLK_TCK); |
334 | if (PL_clocktick <= 0) | |
335 | #endif | |
336 | PL_clocktick = HZ; | |
337 | ||
081fc587 AB |
338 | PL_stashcache = newHV(); |
339 | ||
e8e3635e | 340 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 341 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 342 | |
27da23d5 JH |
343 | #ifdef HAS_MMAP |
344 | if (!PL_mmap_page_size) { | |
345 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
346 | { | |
347 | SETERRNO(0, SS_NORMAL); | |
348 | # ifdef _SC_PAGESIZE | |
349 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
350 | # else | |
351 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
352 | # endif | |
353 | if ((long) PL_mmap_page_size < 0) { | |
354 | if (errno) { | |
44f8325f | 355 | SV * const error = ERRSV; |
d4c19fe8 | 356 | SvUPGRADE(error, SVt_PV); |
0510663f | 357 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
358 | } |
359 | else | |
360 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
361 | } | |
362 | } | |
363 | #else | |
364 | # ifdef HAS_GETPAGESIZE | |
365 | PL_mmap_page_size = getpagesize(); | |
366 | # else | |
367 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
368 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
369 | # endif | |
370 | # endif | |
371 | #endif | |
372 | if (PL_mmap_page_size <= 0) | |
373 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
374 | (IV) PL_mmap_page_size); | |
375 | } | |
376 | #endif /* HAS_MMAP */ | |
377 | ||
378 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
379 | PL_timesbase.tms_utime = 0; | |
380 | PL_timesbase.tms_stime = 0; | |
381 | PL_timesbase.tms_cutime = 0; | |
382 | PL_timesbase.tms_cstime = 0; | |
383 | #endif | |
384 | ||
7d113631 NC |
385 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
386 | ||
a3e6e81e | 387 | PL_registered_mros = newHV(); |
9e169432 NC |
388 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
389 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 390 | |
8990e307 | 391 | ENTER; |
79072805 LW |
392 | } |
393 | ||
954c1994 | 394 | /* |
62375a60 NIS |
395 | =for apidoc nothreadhook |
396 | ||
397 | Stub that provides thread hook for perl_destruct when there are | |
398 | no threads. | |
399 | ||
400 | =cut | |
401 | */ | |
402 | ||
403 | int | |
4e9e3734 | 404 | Perl_nothreadhook(pTHX) |
62375a60 | 405 | { |
96a5add6 | 406 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
407 | return 0; |
408 | } | |
409 | ||
41e4abd8 NC |
410 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
411 | void | |
412 | Perl_dump_sv_child(pTHX_ SV *sv) | |
413 | { | |
414 | ssize_t got; | |
bf357333 NC |
415 | const int sock = PL_dumper_fd; |
416 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
417 | union control_un control; |
418 | struct msghdr msg; | |
808ad2d0 | 419 | struct iovec vec[2]; |
bf357333 | 420 | struct cmsghdr *cmptr; |
808ad2d0 NC |
421 | int returned_errno; |
422 | unsigned char buffer[256]; | |
41e4abd8 | 423 | |
7918f24d NC |
424 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
425 | ||
bf357333 | 426 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
427 | return; |
428 | ||
429 | PerlIO_flush(Perl_debug_log); | |
430 | ||
bf357333 NC |
431 | /* All these shenanigans are to pass a file descriptor over to our child for |
432 | it to dump out to. We can't let it hold open the file descriptor when it | |
433 | forks, as the file descriptor it will dump to can turn out to be one end | |
434 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 435 | be open, the wait would be forever.) */ |
bf357333 NC |
436 | |
437 | msg.msg_control = control.control; | |
438 | msg.msg_controllen = sizeof(control.control); | |
439 | /* We're a connected socket so we don't need a destination */ | |
440 | msg.msg_name = NULL; | |
441 | msg.msg_namelen = 0; | |
442 | msg.msg_iov = vec; | |
808ad2d0 | 443 | msg.msg_iovlen = 1; |
bf357333 NC |
444 | |
445 | cmptr = CMSG_FIRSTHDR(&msg); | |
446 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
447 | cmptr->cmsg_level = SOL_SOCKET; | |
448 | cmptr->cmsg_type = SCM_RIGHTS; | |
449 | *((int *)CMSG_DATA(cmptr)) = 1; | |
450 | ||
451 | vec[0].iov_base = (void*)&sv; | |
452 | vec[0].iov_len = sizeof(sv); | |
453 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
454 | |
455 | if(got < 0) { | |
bf357333 | 456 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
457 | abort(); |
458 | } | |
bf357333 NC |
459 | if(got < sizeof(sv)) { |
460 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
461 | abort(); |
462 | } | |
463 | ||
808ad2d0 NC |
464 | /* Return protocol is |
465 | int: errno value | |
466 | unsigned char: length of location string (0 for empty) | |
467 | unsigned char*: string (not terminated) | |
468 | */ | |
469 | vec[0].iov_base = (void*)&returned_errno; | |
470 | vec[0].iov_len = sizeof(returned_errno); | |
471 | vec[1].iov_base = buffer; | |
472 | vec[1].iov_len = 1; | |
473 | ||
474 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
475 | |
476 | if(got < 0) { | |
477 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 478 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
479 | abort(); |
480 | } | |
808ad2d0 | 481 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 482 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 483 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
484 | abort(); |
485 | } | |
486 | ||
808ad2d0 NC |
487 | if (*buffer) { |
488 | got = read(sock, buffer + 1, *buffer); | |
489 | if(got < 0) { | |
490 | perror("Debug leaking scalars parent read 2 failed"); | |
491 | PerlIO_flush(PerlIO_stderr()); | |
492 | abort(); | |
493 | } | |
494 | ||
495 | if(got < *buffer) { | |
496 | perror("Debug leaking scalars parent short read 2"); | |
497 | PerlIO_flush(PerlIO_stderr()); | |
498 | abort(); | |
499 | } | |
500 | } | |
501 | ||
502 | if (returned_errno || *buffer) { | |
503 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
504 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
505 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
506 | } |
507 | } | |
508 | #endif | |
509 | ||
62375a60 | 510 | /* |
954c1994 GS |
511 | =for apidoc perl_destruct |
512 | ||
513 | Shuts down a Perl interpreter. See L<perlembed>. | |
514 | ||
515 | =cut | |
516 | */ | |
517 | ||
31d77e54 | 518 | int |
0cb96387 | 519 | perl_destruct(pTHXx) |
79072805 | 520 | { |
27da23d5 | 521 | dVAR; |
be2ea8ed | 522 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 523 | HV *hv; |
2aa47728 | 524 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
525 | pid_t child; |
526 | #endif | |
8990e307 | 527 | |
7918f24d NC |
528 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
529 | #ifndef MULTIPLICITY | |
ed6c66dd | 530 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 531 | #endif |
9d4ba2ae | 532 | |
3d22c4f0 GG |
533 | assert(PL_scopestack_ix == 1); |
534 | ||
7766f137 GS |
535 | /* wait for all pseudo-forked children to finish */ |
536 | PERL_WAIT_FOR_CHILDREN; | |
537 | ||
3280af22 | 538 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
539 | #ifdef DEBUGGING |
540 | { | |
9d4ba2ae AL |
541 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
542 | if (s) { | |
e1ec3a88 | 543 | const int i = atoi(s); |
5f05dabc | 544 | if (destruct_level < i) |
545 | destruct_level = i; | |
546 | } | |
4633a7c4 LW |
547 | } |
548 | #endif | |
549 | ||
27da23d5 | 550 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
551 | dJMPENV; |
552 | int x = 0; | |
553 | ||
554 | JMPENV_PUSH(x); | |
1b6737cc | 555 | PERL_UNUSED_VAR(x); |
9ebf26ad | 556 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 557 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 558 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 559 | } |
f3faeb53 | 560 | JMPENV_POP; |
26f423df | 561 | } |
f3faeb53 | 562 | LEAVE; |
a0d0e21e | 563 | FREETMPS; |
3d22c4f0 | 564 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 565 | |
e00b64d4 | 566 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 567 | my_fflush_all(); |
e00b64d4 | 568 | |
16c91539 | 569 | if (PL_threadhook(aTHX)) { |
62375a60 | 570 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 571 | PL_veto_cleanup = TRUE; |
37038d91 | 572 | return STATUS_EXIT; |
62375a60 NIS |
573 | } |
574 | ||
2aa47728 NC |
575 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
576 | if (destruct_level != 0) { | |
577 | /* Fork here to create a child. Our child's job is to preserve the | |
578 | state of scalars prior to destruction, so that we can instruct it | |
579 | to dump any scalars that we later find have leaked. | |
580 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
581 | fail gracefully */ | |
582 | int fd[2]; | |
583 | ||
584 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
585 | perror("Debug leaking scalars socketpair failed"); | |
586 | abort(); | |
587 | } | |
588 | ||
589 | child = fork(); | |
590 | if(child == -1) { | |
591 | perror("Debug leaking scalars fork failed"); | |
592 | abort(); | |
593 | } | |
594 | if (!child) { | |
595 | /* We are the child */ | |
3125a5a4 NC |
596 | const int sock = fd[1]; |
597 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
598 | int f; | |
808ad2d0 NC |
599 | const char *where; |
600 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 601 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 602 | |
2aa47728 | 603 | close(fd[0]); |
2aa47728 | 604 | |
3125a5a4 NC |
605 | /* We need to close all other file descriptors otherwise we end up |
606 | with interesting hangs, where the parent closes its end of a | |
607 | pipe, and sits waiting for (another) child to terminate. Only | |
608 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
609 | we also have the far end of the pipe open. We even need to |
610 | close the debugging fd, because sometimes it happens to be one | |
611 | end of a pipe, and a process is waiting on the other end for | |
612 | EOF. Normally it would be closed at some point earlier in | |
613 | destruction, but if we happen to cause the pipe to remain open, | |
614 | EOF never occurs, and we get an infinite hang. Hence all the | |
615 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
616 | |
617 | f = sysconf(_SC_OPEN_MAX); | |
618 | if(f < 0) { | |
808ad2d0 NC |
619 | where = "sysconf failed"; |
620 | goto abort; | |
3125a5a4 NC |
621 | } |
622 | while (f--) { | |
623 | if (f == sock) | |
624 | continue; | |
3125a5a4 NC |
625 | close(f); |
626 | } | |
627 | ||
2aa47728 NC |
628 | while (1) { |
629 | SV *target; | |
bf357333 NC |
630 | union control_un control; |
631 | struct msghdr msg; | |
632 | struct iovec vec[1]; | |
633 | struct cmsghdr *cmptr; | |
634 | ssize_t got; | |
635 | int got_fd; | |
636 | ||
637 | msg.msg_control = control.control; | |
638 | msg.msg_controllen = sizeof(control.control); | |
639 | /* We're a connected socket so we don't need a source */ | |
640 | msg.msg_name = NULL; | |
641 | msg.msg_namelen = 0; | |
642 | msg.msg_iov = vec; | |
643 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
644 | ||
645 | vec[0].iov_base = (void*)⌖ | |
646 | vec[0].iov_len = sizeof(target); | |
647 | ||
648 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
649 | |
650 | if(got == 0) | |
651 | break; | |
652 | if(got < 0) { | |
808ad2d0 NC |
653 | where = "recv failed"; |
654 | goto abort; | |
2aa47728 NC |
655 | } |
656 | if(got < sizeof(target)) { | |
808ad2d0 NC |
657 | where = "short recv"; |
658 | goto abort; | |
2aa47728 | 659 | } |
bf357333 | 660 | |
808ad2d0 NC |
661 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
662 | where = "no cmsg"; | |
663 | goto abort; | |
664 | } | |
665 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
666 | where = "wrong cmsg_len"; | |
667 | goto abort; | |
668 | } | |
669 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
670 | where = "wrong cmsg_level"; | |
671 | goto abort; | |
672 | } | |
673 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
674 | where = "wrong cmsg_type"; | |
675 | goto abort; | |
676 | } | |
bf357333 NC |
677 | |
678 | got_fd = *(int*)CMSG_DATA(cmptr); | |
679 | /* For our last little bit of trickery, put the file descriptor | |
680 | back into Perl_debug_log, as if we never actually closed it | |
681 | */ | |
808ad2d0 NC |
682 | if(got_fd != debug_fd) { |
683 | if (dup2(got_fd, debug_fd) == -1) { | |
684 | where = "dup2"; | |
685 | goto abort; | |
686 | } | |
687 | } | |
2aa47728 | 688 | sv_dump(target); |
bf357333 | 689 | |
2aa47728 NC |
690 | PerlIO_flush(Perl_debug_log); |
691 | ||
808ad2d0 | 692 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
693 | |
694 | if(got < 0) { | |
808ad2d0 NC |
695 | where = "write failed"; |
696 | goto abort; | |
2aa47728 | 697 | } |
808ad2d0 NC |
698 | if(got < sizeof(success)) { |
699 | where = "short write"; | |
700 | goto abort; | |
2aa47728 NC |
701 | } |
702 | } | |
703 | _exit(0); | |
808ad2d0 NC |
704 | abort: |
705 | { | |
706 | int send_errno = errno; | |
707 | unsigned char length = (unsigned char) strlen(where); | |
708 | struct iovec failure[3] = { | |
709 | {(void*)&send_errno, sizeof(send_errno)}, | |
710 | {&length, 1}, | |
711 | {(void*)where, length} | |
712 | }; | |
713 | int got = writev(sock, failure, 3); | |
714 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
715 | in the parent if we try to read from the socketpair after the | |
716 | child has exited, even if there was data to read. | |
717 | So sleep a bit to give the parent a fighting chance of | |
718 | reading the data. */ | |
719 | sleep(2); | |
720 | _exit((got == -1) ? errno : 0); | |
721 | } | |
bf357333 | 722 | /* End of child. */ |
2aa47728 | 723 | } |
41e4abd8 | 724 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
725 | close(fd[1]); |
726 | } | |
727 | #endif | |
728 | ||
ff0cee69 | 729 | /* We must account for everything. */ |
730 | ||
731 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
732 | /* Do this now, because destroying ops can cause new SVs to be generated |
733 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
734 | PL_curcop to point to a valid op from which the filename structure | |
735 | member is copied. */ | |
736 | PL_curcop = &PL_compiling; | |
3280af22 | 737 | if (PL_main_root) { |
4e380990 DM |
738 | /* ensure comppad/curpad to refer to main's pad */ |
739 | if (CvPADLIST(PL_main_cv)) { | |
740 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
741 | } | |
3280af22 | 742 | op_free(PL_main_root); |
5f66b61c | 743 | PL_main_root = NULL; |
a0d0e21e | 744 | } |
5f66b61c | 745 | PL_main_start = NULL; |
aac9d523 DM |
746 | /* note that PL_main_cv isn't usually actually freed at this point, |
747 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
748 | * get freed once all the subs are freed in sv_clean_all(), for | |
749 | * destruct_level > 0 */ | |
3280af22 | 750 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 751 | PL_main_cv = NULL; |
ca7b837b | 752 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 753 | |
13621cfb NIS |
754 | /* Tell PerlIO we are about to tear things apart in case |
755 | we have layers which are using resources that should | |
756 | be cleaned up now. | |
757 | */ | |
758 | ||
759 | PerlIO_destruct(aTHX); | |
760 | ||
3280af22 | 761 | if (PL_sv_objcount) { |
a0d0e21e LW |
762 | /* |
763 | * Try to destruct global references. We do this first so that the | |
764 | * destructors and destructees still exist. Some sv's might remain. | |
765 | * Non-referenced objects are on their own. | |
766 | */ | |
a0d0e21e | 767 | sv_clean_objs(); |
bf9cdc68 | 768 | PL_sv_objcount = 0; |
8990e307 LW |
769 | } |
770 | ||
5cd24f17 | 771 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 772 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 773 | PL_warnhook = NULL; |
3280af22 | 774 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 775 | PL_diehook = NULL; |
5cd24f17 | 776 | |
4b556e6c | 777 | /* call exit list functions */ |
3280af22 | 778 | while (PL_exitlistlen-- > 0) |
acfe0abc | 779 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 780 | |
3280af22 | 781 | Safefree(PL_exitlist); |
4b556e6c | 782 | |
1c4916e5 CB |
783 | PL_exitlist = NULL; |
784 | PL_exitlistlen = 0; | |
785 | ||
a3e6e81e NC |
786 | SvREFCNT_dec(PL_registered_mros); |
787 | ||
551a8b83 | 788 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
789 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
790 | * so we certainly shouldn't free it here | |
791 | */ | |
2f42fcb0 | 792 | #ifndef PERL_MICRO |
4b647fb0 | 793 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 794 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
795 | #ifdef USE_ITHREADS |
796 | /* only main thread can free environ[0] contents */ | |
797 | && PL_curinterp == aTHX | |
798 | #endif | |
799 | ) | |
800 | { | |
551a8b83 JH |
801 | I32 i; |
802 | ||
803 | for (i = 0; environ[i]; i++) | |
4b420006 | 804 | safesysfree(environ[i]); |
0631ea03 | 805 | |
4b420006 JH |
806 | /* Must use safesysfree() when working with environ. */ |
807 | safesysfree(environ); | |
551a8b83 JH |
808 | |
809 | environ = PL_origenviron; | |
810 | } | |
811 | #endif | |
2f42fcb0 | 812 | #endif /* !PERL_MICRO */ |
551a8b83 | 813 | |
30985c42 JH |
814 | if (destruct_level == 0) { |
815 | ||
816 | DEBUG_P(debprofdump()); | |
817 | ||
818 | #if defined(PERLIO_LAYERS) | |
819 | /* No more IO - including error messages ! */ | |
820 | PerlIO_cleanup(aTHX); | |
821 | #endif | |
822 | ||
823 | CopFILE_free(&PL_compiling); | |
824 | CopSTASH_free(&PL_compiling); | |
825 | ||
826 | /* The exit() function will do everything that needs doing. */ | |
827 | return STATUS_EXIT; | |
828 | } | |
829 | ||
5f8cb046 DM |
830 | #ifdef USE_ITHREADS |
831 | /* the syntax tree is shared between clones | |
832 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
833 | * REGEXPs in the parent interpreter | |
834 | * we need to manually ReREFCNT_dec for the clones | |
835 | */ | |
5f8cb046 | 836 | SvREFCNT_dec(PL_regex_padav); |
7d49f689 | 837 | PL_regex_padav = NULL; |
5f8cb046 DM |
838 | PL_regex_pad = NULL; |
839 | #endif | |
840 | ||
ad64d0ec | 841 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
842 | PL_stashcache = NULL; |
843 | ||
5f05dabc | 844 | /* loosen bonds of global variables */ |
845 | ||
2f9285f8 DM |
846 | /* XXX can PL_parser still be non-null here? */ |
847 | if(PL_parser && PL_parser->rsfp) { | |
848 | (void)PerlIO_close(PL_parser->rsfp); | |
849 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 850 | } |
851 | ||
84386e14 RGS |
852 | if (PL_minus_F) { |
853 | Safefree(PL_splitstr); | |
854 | PL_splitstr = NULL; | |
855 | } | |
856 | ||
8ebc5c01 | 857 | /* switches */ |
3280af22 NIS |
858 | PL_minus_n = FALSE; |
859 | PL_minus_p = FALSE; | |
860 | PL_minus_l = FALSE; | |
861 | PL_minus_a = FALSE; | |
862 | PL_minus_F = FALSE; | |
863 | PL_doswitches = FALSE; | |
599cee73 | 864 | PL_dowarn = G_WARN_OFF; |
3280af22 | 865 | PL_sawampersand = FALSE; /* must save all match strings */ |
3280af22 NIS |
866 | PL_unsafe = FALSE; |
867 | ||
868 | Safefree(PL_inplace); | |
bd61b366 | 869 | PL_inplace = NULL; |
a7cb1f99 | 870 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 871 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
872 | |
873 | if (PL_e_script) { | |
874 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 875 | PL_e_script = NULL; |
8ebc5c01 | 876 | } |
877 | ||
bf9cdc68 RG |
878 | PL_perldb = 0; |
879 | ||
8ebc5c01 | 880 | /* magical thingies */ |
881 | ||
e23d9e2f CS |
882 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
883 | PL_ofsgv = NULL; | |
5f05dabc | 884 | |
7889fe52 | 885 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 886 | PL_ors_sv = NULL; |
8ebc5c01 | 887 | |
3280af22 | 888 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 889 | PL_rs = NULL; |
dc92893f | 890 | |
d33b2eba | 891 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 892 | PL_osname = NULL; |
5f05dabc | 893 | |
3280af22 | 894 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
895 | PL_statname = NULL; |
896 | PL_statgv = NULL; | |
5f05dabc | 897 | |
8ebc5c01 | 898 | /* defgv, aka *_ should be taken care of elsewhere */ |
899 | ||
7d5ea4e7 GS |
900 | /* float buffer */ |
901 | Safefree(PL_efloatbuf); | |
bd61b366 | 902 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
903 | PL_efloatsize = 0; |
904 | ||
8ebc5c01 | 905 | /* startup and shutdown function lists */ |
3280af22 | 906 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 907 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 908 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 909 | SvREFCNT_dec(PL_checkav); |
ece599bd | 910 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
911 | SvREFCNT_dec(PL_unitcheckav); |
912 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 913 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
914 | PL_beginav = NULL; |
915 | PL_beginav_save = NULL; | |
916 | PL_endav = NULL; | |
917 | PL_checkav = NULL; | |
918 | PL_checkav_save = NULL; | |
3c10abe3 AG |
919 | PL_unitcheckav = NULL; |
920 | PL_unitcheckav_save = NULL; | |
7d49f689 | 921 | PL_initav = NULL; |
5618dfe8 | 922 | |
8ebc5c01 | 923 | /* shortcuts just get cleared */ |
a0714e2c SS |
924 | PL_envgv = NULL; |
925 | PL_incgv = NULL; | |
926 | PL_hintgv = NULL; | |
927 | PL_errgv = NULL; | |
928 | PL_argvgv = NULL; | |
929 | PL_argvoutgv = NULL; | |
930 | PL_stdingv = NULL; | |
931 | PL_stderrgv = NULL; | |
932 | PL_last_in_gv = NULL; | |
933 | PL_replgv = NULL; | |
934 | PL_DBgv = NULL; | |
935 | PL_DBline = NULL; | |
936 | PL_DBsub = NULL; | |
937 | PL_DBsingle = NULL; | |
938 | PL_DBtrace = NULL; | |
939 | PL_DBsignal = NULL; | |
601f1833 | 940 | PL_DBcv = NULL; |
7d49f689 | 941 | PL_dbargs = NULL; |
5c284bb0 | 942 | PL_debstash = NULL; |
8ebc5c01 | 943 | |
7a1c5554 | 944 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 945 | PL_argvout_stack = NULL; |
8ebc5c01 | 946 | |
5c831c24 | 947 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 948 | PL_modglobal = NULL; |
5c831c24 | 949 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 950 | PL_preambleav = NULL; |
5c831c24 | 951 | SvREFCNT_dec(PL_subname); |
a0714e2c | 952 | PL_subname = NULL; |
ca0c25f6 | 953 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 954 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 955 | PL_pidstatus = NULL; |
ca0c25f6 | 956 | #endif |
5c831c24 | 957 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 958 | PL_toptarget = NULL; |
5c831c24 | 959 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
960 | PL_bodytarget = NULL; |
961 | PL_formtarget = NULL; | |
5c831c24 | 962 | |
d33b2eba | 963 | /* free locale stuff */ |
b9582b6a | 964 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 965 | Safefree(PL_collation_name); |
bd61b366 | 966 | PL_collation_name = NULL; |
b9582b6a | 967 | #endif |
d33b2eba | 968 | |
b9582b6a | 969 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 970 | Safefree(PL_numeric_name); |
bd61b366 | 971 | PL_numeric_name = NULL; |
a453c169 | 972 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 973 | PL_numeric_radix_sv = NULL; |
b9582b6a | 974 | #endif |
d33b2eba | 975 | |
5c831c24 GS |
976 | /* clear utf8 character classes */ |
977 | SvREFCNT_dec(PL_utf8_alnum); | |
5c831c24 GS |
978 | SvREFCNT_dec(PL_utf8_ascii); |
979 | SvREFCNT_dec(PL_utf8_alpha); | |
980 | SvREFCNT_dec(PL_utf8_space); | |
981 | SvREFCNT_dec(PL_utf8_cntrl); | |
982 | SvREFCNT_dec(PL_utf8_graph); | |
983 | SvREFCNT_dec(PL_utf8_digit); | |
984 | SvREFCNT_dec(PL_utf8_upper); | |
985 | SvREFCNT_dec(PL_utf8_lower); | |
986 | SvREFCNT_dec(PL_utf8_print); | |
987 | SvREFCNT_dec(PL_utf8_punct); | |
988 | SvREFCNT_dec(PL_utf8_xdigit); | |
989 | SvREFCNT_dec(PL_utf8_mark); | |
990 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 991 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 992 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 993 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
994 | SvREFCNT_dec(PL_utf8_idstart); |
995 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 996 | SvREFCNT_dec(PL_utf8_foldclosures); |
a0714e2c | 997 | PL_utf8_alnum = NULL; |
a0714e2c SS |
998 | PL_utf8_ascii = NULL; |
999 | PL_utf8_alpha = NULL; | |
1000 | PL_utf8_space = NULL; | |
1001 | PL_utf8_cntrl = NULL; | |
1002 | PL_utf8_graph = NULL; | |
1003 | PL_utf8_digit = NULL; | |
1004 | PL_utf8_upper = NULL; | |
1005 | PL_utf8_lower = NULL; | |
1006 | PL_utf8_print = NULL; | |
1007 | PL_utf8_punct = NULL; | |
1008 | PL_utf8_xdigit = NULL; | |
1009 | PL_utf8_mark = NULL; | |
1010 | PL_utf8_toupper = NULL; | |
1011 | PL_utf8_totitle = NULL; | |
1012 | PL_utf8_tolower = NULL; | |
1013 | PL_utf8_tofold = NULL; | |
1014 | PL_utf8_idstart = NULL; | |
1015 | PL_utf8_idcont = NULL; | |
2726813d | 1016 | PL_utf8_foldclosures = NULL; |
5c831c24 | 1017 | |
971a9dd3 | 1018 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1019 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1020 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1021 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1022 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 NIS |
1023 | CopFILE_free(&PL_compiling); |
1024 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1025 | |
a0d0e21e | 1026 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1027 | |
3280af22 | 1028 | hv = PL_defstash; |
ca556bcd DM |
1029 | /* break ref loop *:: <=> %:: */ |
1030 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1031 | PL_defstash = 0; |
a0d0e21e | 1032 | SvREFCNT_dec(hv); |
5c831c24 | 1033 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1034 | PL_curstname = NULL; |
a0d0e21e | 1035 | |
5a844595 GS |
1036 | /* clear queued errors */ |
1037 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1038 | PL_errors = NULL; |
5a844595 | 1039 | |
dd69841b BB |
1040 | SvREFCNT_dec(PL_isarev); |
1041 | ||
a0d0e21e | 1042 | FREETMPS; |
9b387841 | 1043 | if (destruct_level >= 2) { |
3280af22 | 1044 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1045 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1046 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1047 | (long)PL_scopestack_ix); | |
3280af22 | 1048 | if (PL_savestack_ix != 0) |
9b387841 NC |
1049 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1050 | "Unbalanced saves: %ld more saves than restores\n", | |
1051 | (long)PL_savestack_ix); | |
3280af22 | 1052 | if (PL_tmps_floor != -1) |
9b387841 NC |
1053 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1054 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1055 | if (cxstack_ix != -1) |
9b387841 NC |
1056 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1057 | (long)cxstack_ix + 1); | |
a0d0e21e | 1058 | } |
8990e307 | 1059 | |
776df701 | 1060 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1061 | /* the entries in this list are allocated via SV PVX's, so get freed |
1062 | * in sv_clean_all */ | |
1063 | Safefree(PL_my_cxt_list); | |
776df701 | 1064 | #endif |
57bb2458 | 1065 | |
8990e307 | 1066 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1067 | |
1068 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1069 | while (sv_clean_all() > 2) |
5226ed68 JH |
1070 | ; |
1071 | ||
d4777f27 GS |
1072 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1073 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1074 | PL_fdpid = NULL; |
d33b2eba | 1075 | |
6c644e78 GS |
1076 | #ifdef HAVE_INTERP_INTERN |
1077 | sys_intern_clear(); | |
1078 | #endif | |
1079 | ||
6e72f9df | 1080 | /* Destruct the global string table. */ |
1081 | { | |
1082 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1083 | * so that sv_free() won't fail on them. | |
80459961 NC |
1084 | * Now that the global string table is using a single hunk of memory |
1085 | * for both HE and HEK, we either need to explicitly unshare it the | |
1086 | * correct way, or actually free things here. | |
6e72f9df | 1087 | */ |
80459961 NC |
1088 | I32 riter = 0; |
1089 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1090 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1091 | HE *hent = array[0]; |
1092 | ||
6e72f9df | 1093 | for (;;) { |
0453d815 | 1094 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1095 | HE * const next = HeNEXT(hent); |
9014280d | 1096 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1097 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1098 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1099 | Safefree(hent); |
1100 | hent = next; | |
6e72f9df | 1101 | } |
1102 | if (!hent) { | |
1103 | if (++riter > max) | |
1104 | break; | |
1105 | hent = array[riter]; | |
1106 | } | |
1107 | } | |
80459961 NC |
1108 | |
1109 | Safefree(array); | |
1110 | HvARRAY(PL_strtab) = 0; | |
1111 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1112 | } |
3280af22 | 1113 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1114 | |
e652bb2f | 1115 | #ifdef USE_ITHREADS |
c21d1a0f | 1116 | /* free the pointer tables used for cloning */ |
a0739874 | 1117 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1118 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1119 | #endif |
a0739874 | 1120 | |
d33b2eba GS |
1121 | /* free special SVs */ |
1122 | ||
1123 | SvREFCNT(&PL_sv_yes) = 0; | |
1124 | sv_clear(&PL_sv_yes); | |
1125 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1126 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1127 | |
1128 | SvREFCNT(&PL_sv_no) = 0; | |
1129 | sv_clear(&PL_sv_no); | |
1130 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1131 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1132 | |
9f375a43 DM |
1133 | { |
1134 | int i; | |
1135 | for (i=0; i<=2; i++) { | |
1136 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1137 | sv_clear(PERL_DEBUG_PAD(i)); | |
1138 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1139 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1140 | } | |
1141 | } | |
1142 | ||
0453d815 | 1143 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1144 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1145 | |
eba0f806 DM |
1146 | #ifdef DEBUG_LEAKING_SCALARS |
1147 | if (PL_sv_count != 0) { | |
1148 | SV* sva; | |
1149 | SV* sv; | |
1150 | register SV* svend; | |
1151 | ||
ad64d0ec | 1152 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1153 | svend = &sva[SvREFCNT(sva)]; |
1154 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1155 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1156 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1157 | " flags=0x%"UVxf |
fd0854ff | 1158 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1159 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1160 | "serial %"UVuf"\n", | |
574b8821 NC |
1161 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1162 | pTHX__VALUE, | |
fd0854ff DM |
1163 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1164 | sv->sv_debug_line, | |
1165 | sv->sv_debug_inpad ? "for" : "by", | |
1166 | sv->sv_debug_optype ? | |
1167 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1168 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1169 | sv->sv_debug_serial |
fd0854ff | 1170 | ); |
2aa47728 | 1171 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1172 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1173 | #endif |
eba0f806 DM |
1174 | } |
1175 | } | |
1176 | } | |
1177 | } | |
2aa47728 NC |
1178 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1179 | { | |
1180 | int status; | |
1181 | fd_set rset; | |
1182 | /* Wait for up to 4 seconds for child to terminate. | |
1183 | This seems to be the least effort way of timing out on reaping | |
1184 | its exit status. */ | |
1185 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1186 | int sock = PL_dumper_fd; |
2aa47728 NC |
1187 | |
1188 | shutdown(sock, 1); | |
1189 | FD_ZERO(&rset); | |
1190 | FD_SET(sock, &rset); | |
1191 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1192 | waitpid(child, &status, WNOHANG); | |
1193 | close(sock); | |
1194 | } | |
1195 | #endif | |
eba0f806 | 1196 | #endif |
77abb4c6 NC |
1197 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1198 | if (PL_sv_count) | |
1199 | abort(); | |
1200 | #endif | |
bf9cdc68 | 1201 | PL_sv_count = 0; |
eba0f806 | 1202 | |
f1fac472 NC |
1203 | #ifdef PERL_DEBUG_READONLY_OPS |
1204 | free(PL_slabs); | |
1205 | PL_slabs = NULL; | |
1206 | PL_slab_count = 0; | |
1207 | #endif | |
eba0f806 | 1208 | |
56a2bab7 | 1209 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1210 | /* No more IO - including error messages ! */ |
1211 | PerlIO_cleanup(aTHX); | |
1212 | #endif | |
1213 | ||
9f4bd222 | 1214 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1215 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1216 | for no arg - and will try and SvREFCNT_dec it. |
1217 | */ | |
1218 | SvREFCNT(&PL_sv_undef) = 0; | |
1219 | SvREADONLY_off(&PL_sv_undef); | |
1220 | ||
3280af22 | 1221 | Safefree(PL_origfilename); |
bd61b366 | 1222 | PL_origfilename = NULL; |
3280af22 | 1223 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1224 | PL_reg_start_tmp = (char**)NULL; |
1225 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1226 | Safefree(PL_reg_curpm); |
82ba1be6 | 1227 | Safefree(PL_reg_poscache); |
dd28f7bb | 1228 | free_tied_hv_pool(); |
3280af22 | 1229 | Safefree(PL_op_mask); |
cf36064f | 1230 | Safefree(PL_psig_name); |
bf9cdc68 | 1231 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1232 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1233 | { |
1234 | /* We need to NULL PL_psig_pend first, so that | |
1235 | signal handlers know not to use it */ | |
1236 | int *psig_save = PL_psig_pend; | |
1237 | PL_psig_pend = (int*)NULL; | |
1238 | Safefree(psig_save); | |
1239 | } | |
a0714e2c | 1240 | PL_formfeed = NULL; |
6e72f9df | 1241 | nuke_stacks(); |
bf9cdc68 RG |
1242 | PL_tainting = FALSE; |
1243 | PL_taint_warn = FALSE; | |
3280af22 | 1244 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1245 | PL_debug = 0; |
ac27b0f5 | 1246 | |
a0d0e21e | 1247 | DEBUG_P(debprofdump()); |
d33b2eba | 1248 | |
e5dd39fc | 1249 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1250 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1251 | #endif |
1252 | ||
612f20c3 GS |
1253 | sv_free_arenas(); |
1254 | ||
5d9a96ca DM |
1255 | while (PL_regmatch_slab) { |
1256 | regmatch_slab *s = PL_regmatch_slab; | |
1257 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1258 | Safefree(s); | |
1259 | } | |
1260 | ||
fc36a67e | 1261 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1262 | ||
3280af22 | 1263 | if (PL_mess_sv) { |
f350b448 NC |
1264 | /* we know that type == SVt_PVMG */ |
1265 | ||
9c63abab | 1266 | /* it could have accumulated taint magic */ |
f350b448 NC |
1267 | MAGIC* mg; |
1268 | MAGIC* moremagic; | |
1269 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1270 | moremagic = mg->mg_moremagic; | |
1271 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1272 | && mg->mg_len >= 0) | |
1273 | Safefree(mg->mg_ptr); | |
1274 | Safefree(mg); | |
9c63abab | 1275 | } |
f350b448 | 1276 | |
fc36a67e | 1277 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1278 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1279 | Safefree(SvANY(PL_mess_sv)); |
1280 | Safefree(PL_mess_sv); | |
a0714e2c | 1281 | PL_mess_sv = NULL; |
fc36a67e | 1282 | } |
37038d91 | 1283 | return STATUS_EXIT; |
79072805 LW |
1284 | } |
1285 | ||
954c1994 GS |
1286 | /* |
1287 | =for apidoc perl_free | |
1288 | ||
1289 | Releases a Perl interpreter. See L<perlembed>. | |
1290 | ||
1291 | =cut | |
1292 | */ | |
1293 | ||
79072805 | 1294 | void |
0cb96387 | 1295 | perl_free(pTHXx) |
79072805 | 1296 | { |
5174512c NC |
1297 | dVAR; |
1298 | ||
7918f24d NC |
1299 | PERL_ARGS_ASSERT_PERL_FREE; |
1300 | ||
c301d606 DM |
1301 | if (PL_veto_cleanup) |
1302 | return; | |
1303 | ||
7cb608b5 | 1304 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1305 | { |
1306 | /* | |
1307 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1308 | * value as we're probably hunting memory leaks then | |
1309 | */ | |
1310 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); | |
1311 | if (!s || atoi(s) == 0) { | |
4fd0a9b8 | 1312 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1313 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1314 | thread at thread exit. */ | |
4fd0a9b8 NC |
1315 | if (DEBUG_m_TEST) { |
1316 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1317 | "free this thread's memory\n"); | |
1318 | PL_debug &= ~ DEBUG_m_FLAG; | |
1319 | } | |
55ef9aae MHM |
1320 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1321 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1322 | PL_debug = old_debug; |
55ef9aae MHM |
1323 | } |
1324 | } | |
7cb608b5 NC |
1325 | #endif |
1326 | ||
acfe0abc | 1327 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1328 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1329 | { |
acfe0abc | 1330 | # ifdef NETWARE |
7af12a34 | 1331 | void *host = nw_internal_host; |
acfe0abc | 1332 | # else |
7af12a34 | 1333 | void *host = w32_internal_host; |
acfe0abc | 1334 | # endif |
7af12a34 | 1335 | PerlMem_free(aTHXx); |
acfe0abc | 1336 | # ifdef NETWARE |
7af12a34 | 1337 | nw_delete_internal_host(host); |
acfe0abc | 1338 | # else |
7af12a34 | 1339 | win32_delete_internal_host(host); |
acfe0abc | 1340 | # endif |
7af12a34 | 1341 | } |
1c0ca838 GS |
1342 | # else |
1343 | PerlMem_free(aTHXx); | |
1344 | # endif | |
acfe0abc GS |
1345 | #else |
1346 | PerlMem_free(aTHXx); | |
76e3520e | 1347 | #endif |
79072805 LW |
1348 | } |
1349 | ||
b7f7fff6 | 1350 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1351 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1352 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1353 | ||
826955bd | 1354 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1355 | #pragma fini "perl_fini" |
666ad1ec GA |
1356 | #elif defined(__sun) && !defined(__GNUC__) |
1357 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1358 | #endif |
1359 | ||
0dbb1585 AL |
1360 | static void |
1361 | #if defined(__GNUC__) | |
1362 | __attribute__((destructor)) | |
aebd1ac7 | 1363 | #endif |
de009b76 | 1364 | perl_fini(void) |
aebd1ac7 | 1365 | { |
27da23d5 | 1366 | dVAR; |
c301d606 | 1367 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1368 | FREE_THREAD_KEY; |
1369 | } | |
1370 | ||
1371 | #endif /* WIN32 */ | |
1372 | #endif /* THREADS */ | |
1373 | ||
4b556e6c | 1374 | void |
864dbfa3 | 1375 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1376 | { |
97aff369 | 1377 | dVAR; |
3280af22 NIS |
1378 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1379 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1380 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1381 | ++PL_exitlistlen; | |
4b556e6c JD |
1382 | } |
1383 | ||
b7975bdd NC |
1384 | STATIC void |
1385 | S_set_caret_X(pTHX) { | |
97aff369 | 1386 | dVAR; |
fafc274c | 1387 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd | 1388 | if (tmpgv) { |
0f1723e1 | 1389 | SV *const caret_x = GvSV(tmpgv); |
82552a95 NC |
1390 | #if defined(OS2) |
1391 | sv_setpv(caret_x, os2_execname(aTHX)); | |
1392 | #else | |
1393 | # ifdef HAS_PROCSELFEXE | |
700dd4f8 NC |
1394 | char buf[MAXPATHLEN]; |
1395 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1396 | ||
1397 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1398 | includes a spurious NUL which will cause $^X to fail in system | |
1399 | or backticks (this will prevent extensions from being built and | |
1400 | many tests from working). readlink is not meant to add a NUL. | |
1401 | Normal readlink works fine. | |
1402 | */ | |
1403 | if (len > 0 && buf[len-1] == '\0') { | |
1404 | len--; | |
1405 | } | |
1406 | ||
1407 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1408 | returning the text "unknown" from the readlink rather than the path | |
1409 | to the executable (or returning an error from the readlink). Any | |
1410 | valid path has a '/' in it somewhere, so use that to validate the | |
1411 | result. See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1412 | */ | |
1413 | if (len > 0 && memchr(buf, '/', len)) { | |
1414 | sv_setpvn(caret_x, buf, len); | |
82552a95 | 1415 | return; |
700dd4f8 | 1416 | } |
82552a95 NC |
1417 | # endif |
1418 | /* Fallback to this: */ | |
0f1723e1 | 1419 | sv_setpv(caret_x, PL_origargv[0]); |
b7975bdd | 1420 | #endif |
b7975bdd NC |
1421 | } |
1422 | } | |
1423 | ||
954c1994 GS |
1424 | /* |
1425 | =for apidoc perl_parse | |
1426 | ||
1427 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1428 | ||
1429 | =cut | |
1430 | */ | |
1431 | ||
79072805 | 1432 | int |
0cb96387 | 1433 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1434 | { |
27da23d5 | 1435 | dVAR; |
6224f72b | 1436 | I32 oldscope; |
6224f72b | 1437 | int ret; |
db36c5a1 | 1438 | dJMPENV; |
8d063cd8 | 1439 | |
7918f24d NC |
1440 | PERL_ARGS_ASSERT_PERL_PARSE; |
1441 | #ifndef MULTIPLICITY | |
ed6c66dd | 1442 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1443 | #endif |
9d4ba2ae | 1444 | |
b0891165 JH |
1445 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1446 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1447 | * This MUST be done before any hash stores or fetches take place. |
486ec47a | 1448 | * If you set PL_rehash_seed (and presumably also PL_rehash_seed_set) |
008fb0c0 | 1449 | * yourself, it is your responsibility to provide a good random seed! |
830b38bd | 1450 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1451 | if (!PL_rehash_seed_set) |
1452 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1453 | { |
9d4ba2ae | 1454 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1455 | |
1b6737cc AL |
1456 | if (s && (atoi(s) == 1)) |
1457 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1458 | } |
1459 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1460 | ||
3280af22 | 1461 | PL_origargc = argc; |
e2975953 | 1462 | PL_origargv = argv; |
a0d0e21e | 1463 | |
a2722ac9 GA |
1464 | if (PL_origalen != 0) { |
1465 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1466 | } | |
1467 | else { | |
3cb9023d JH |
1468 | /* Set PL_origalen be the sum of the contiguous argv[] |
1469 | * elements plus the size of the env in case that it is | |
e9137a8e | 1470 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1471 | * as the maximum modifiable length of $0. In the worst case |
1472 | * the area we are able to modify is limited to the size of | |
43c32782 | 1473 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1474 | * --jhi */ |
e1ec3a88 | 1475 | const char *s = NULL; |
54bfe034 | 1476 | int i; |
1b6737cc | 1477 | const UV mask = |
7d8e7db3 | 1478 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1479 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1480 | const UV aligned = |
43c32782 JH |
1481 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1482 | ||
1483 | /* See if all the arguments are contiguous in memory. Note | |
1484 | * that 'contiguous' is a loose term because some platforms | |
1485 | * align the argv[] and the envp[]. If the arguments look | |
1486 | * like non-aligned, assume that they are 'strictly' or | |
1487 | * 'traditionally' contiguous. If the arguments look like | |
1488 | * aligned, we just check that they are within aligned | |
1489 | * PTRSIZE bytes. As long as no system has something bizarre | |
1490 | * like the argv[] interleaved with some other data, we are | |
1491 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1492 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1493 | while (*s) s++; | |
1494 | for (i = 1; i < PL_origargc; i++) { | |
1495 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1496 | #ifdef OS2 |
c8941eeb | 1497 | || PL_origargv[i] == s + 2 |
43c32782 | 1498 | #endif |
c8941eeb JH |
1499 | ) |
1500 | || | |
1501 | (aligned && | |
1502 | (PL_origargv[i] > s && | |
1503 | PL_origargv[i] <= | |
1504 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1505 | ) | |
1506 | { | |
1507 | s = PL_origargv[i]; | |
1508 | while (*s) s++; | |
1509 | } | |
1510 | else | |
1511 | break; | |
54bfe034 | 1512 | } |
54bfe034 | 1513 | } |
a4a109c2 JD |
1514 | |
1515 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1516 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1517 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1518 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1519 | || |
1520 | (aligned && | |
1521 | (PL_origenviron[0] > s && | |
1522 | PL_origenviron[0] <= | |
1523 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1524 | ) | |
1525 | { | |
9d419b5f | 1526 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1527 | s = PL_origenviron[0]; |
1528 | while (*s) s++; | |
1529 | #endif | |
bd61b366 | 1530 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1531 | /* Force copy of environment. */ |
1532 | for (i = 1; PL_origenviron[i]; i++) { | |
1533 | if (PL_origenviron[i] == s + 1 | |
1534 | || | |
1535 | (aligned && | |
1536 | (PL_origenviron[i] > s && | |
1537 | PL_origenviron[i] <= | |
1538 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1539 | ) | |
1540 | { | |
1541 | s = PL_origenviron[i]; | |
1542 | while (*s) s++; | |
1543 | } | |
1544 | else | |
1545 | break; | |
54bfe034 | 1546 | } |
43c32782 | 1547 | } |
54bfe034 | 1548 | } |
a4a109c2 JD |
1549 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1550 | ||
2d2af554 | 1551 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1552 | } |
1553 | ||
3280af22 | 1554 | if (PL_do_undump) { |
a0d0e21e LW |
1555 | |
1556 | /* Come here if running an undumped a.out. */ | |
1557 | ||
3280af22 NIS |
1558 | PL_origfilename = savepv(argv[0]); |
1559 | PL_do_undump = FALSE; | |
a0d0e21e | 1560 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1561 | init_ids(); |
b7975bdd NC |
1562 | assert (!PL_tainted); |
1563 | TAINT; | |
1564 | S_set_caret_X(aTHX); | |
1565 | TAINT_NOT; | |
a0d0e21e LW |
1566 | init_postdump_symbols(argc,argv,env); |
1567 | return 0; | |
1568 | } | |
1569 | ||
3280af22 | 1570 | if (PL_main_root) { |
3280af22 | 1571 | op_free(PL_main_root); |
5f66b61c | 1572 | PL_main_root = NULL; |
ff0cee69 | 1573 | } |
5f66b61c | 1574 | PL_main_start = NULL; |
3280af22 | 1575 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1576 | PL_main_cv = NULL; |
79072805 | 1577 | |
3280af22 NIS |
1578 | time(&PL_basetime); |
1579 | oldscope = PL_scopestack_ix; | |
599cee73 | 1580 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1581 | |
14dd3ad8 | 1582 | JMPENV_PUSH(ret); |
6224f72b | 1583 | switch (ret) { |
312caa8e | 1584 | case 0: |
14dd3ad8 | 1585 | parse_body(env,xsinit); |
9ebf26ad | 1586 | if (PL_unitcheckav) { |
3c10abe3 | 1587 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1588 | } |
1589 | if (PL_checkav) { | |
ca7b837b | 1590 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1591 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1592 | } |
14dd3ad8 GS |
1593 | ret = 0; |
1594 | break; | |
6224f72b GS |
1595 | case 1: |
1596 | STATUS_ALL_FAILURE; | |
1597 | /* FALL THROUGH */ | |
1598 | case 2: | |
1599 | /* my_exit() was called */ | |
3280af22 | 1600 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1601 | LEAVE; |
1602 | FREETMPS; | |
3280af22 | 1603 | PL_curstash = PL_defstash; |
9ebf26ad | 1604 | if (PL_unitcheckav) { |
3c10abe3 | 1605 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1606 | } |
1607 | if (PL_checkav) { | |
ca7b837b | 1608 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1609 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1610 | } |
37038d91 | 1611 | ret = STATUS_EXIT; |
14dd3ad8 | 1612 | break; |
6224f72b | 1613 | case 3: |
bf49b057 | 1614 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1615 | ret = 1; |
1616 | break; | |
6224f72b | 1617 | } |
14dd3ad8 GS |
1618 | JMPENV_POP; |
1619 | return ret; | |
1620 | } | |
1621 | ||
4a5df386 NC |
1622 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1623 | miniperl, and we need to see those flags reflected in the values here. */ | |
1624 | ||
1625 | /* What this returns is subject to change. Use the public interface in Config. | |
1626 | */ | |
1627 | static void | |
1628 | S_Internals_V(pTHX_ CV *cv) | |
1629 | { | |
1630 | dXSARGS; | |
1631 | #ifdef LOCAL_PATCH_COUNT | |
1632 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1633 | #else | |
1634 | const int local_patch_count = 0; | |
1635 | #endif | |
2dc296d2 | 1636 | const int entries = 3 + local_patch_count; |
4a5df386 NC |
1637 | int i; |
1638 | static char non_bincompat_options[] = | |
1639 | # ifdef DEBUGGING | |
1640 | " DEBUGGING" | |
1641 | # endif | |
17552284 NC |
1642 | # ifdef HOMEGROWN_POSIX_SIGNALS |
1643 | " HOMEGROWN_POSIX_SIGNALS" | |
1644 | # endif | |
4a5df386 | 1645 | # ifdef NO_MATHOMS |
0d311fbe | 1646 | " NO_MATHOMS" |
4a5df386 NC |
1647 | # endif |
1648 | # ifdef PERL_DISABLE_PMC | |
1649 | " PERL_DISABLE_PMC" | |
1650 | # endif | |
1651 | # ifdef PERL_DONT_CREATE_GVSV | |
1652 | " PERL_DONT_CREATE_GVSV" | |
1653 | # endif | |
9a044a43 NC |
1654 | # ifdef PERL_EXTERNAL_GLOB |
1655 | " PERL_EXTERNAL_GLOB" | |
1656 | # endif | |
4a5df386 NC |
1657 | # ifdef PERL_IS_MINIPERL |
1658 | " PERL_IS_MINIPERL" | |
1659 | # endif | |
1660 | # ifdef PERL_MALLOC_WRAP | |
1661 | " PERL_MALLOC_WRAP" | |
1662 | # endif | |
1663 | # ifdef PERL_MEM_LOG | |
1664 | " PERL_MEM_LOG" | |
1665 | # endif | |
1666 | # ifdef PERL_MEM_LOG_NOIMPL | |
1667 | " PERL_MEM_LOG_NOIMPL" | |
1668 | # endif | |
c3cf41ec NC |
1669 | # ifdef PERL_PRESERVE_IVUV |
1670 | " PERL_PRESERVE_IVUV" | |
1671 | # endif | |
4a5df386 NC |
1672 | # ifdef PERL_USE_DEVEL |
1673 | " PERL_USE_DEVEL" | |
1674 | # endif | |
1675 | # ifdef PERL_USE_SAFE_PUTENV | |
1676 | " PERL_USE_SAFE_PUTENV" | |
1677 | # endif | |
a3749cf3 NC |
1678 | # ifdef UNLINK_ALL_VERSIONS |
1679 | " UNLINK_ALL_VERSIONS" | |
1680 | # endif | |
de618ee4 NC |
1681 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1682 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1683 | # endif | |
4a5df386 NC |
1684 | # ifdef USE_FAST_STDIO |
1685 | " USE_FAST_STDIO" | |
1686 | # endif | |
98548bdf NC |
1687 | # ifdef USE_LOCALE |
1688 | " USE_LOCALE" | |
1689 | # endif | |
98548bdf NC |
1690 | # ifdef USE_LOCALE_CTYPE |
1691 | " USE_LOCALE_CTYPE" | |
1692 | # endif | |
5a8d8935 NC |
1693 | # ifdef USE_PERL_ATOF |
1694 | " USE_PERL_ATOF" | |
1695 | # endif | |
0d311fbe NC |
1696 | # ifdef USE_SITECUSTOMIZE |
1697 | " USE_SITECUSTOMIZE" | |
1698 | # endif | |
4a5df386 NC |
1699 | ; |
1700 | PERL_UNUSED_ARG(cv); | |
1701 | PERL_UNUSED_ARG(items); | |
1702 | ||
1703 | EXTEND(SP, entries); | |
1704 | ||
1705 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1706 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1707 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1708 | ||
1709 | #ifdef __DATE__ | |
1710 | # ifdef __TIME__ | |
1711 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1712 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1713 | SVs_TEMP)); | |
1714 | # else | |
1715 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1716 | SVs_TEMP)); | |
1717 | # endif | |
1718 | #else | |
1719 | PUSHs(&PL_sv_undef); | |
1720 | #endif | |
1721 | ||
4a5df386 NC |
1722 | for (i = 1; i <= local_patch_count; i++) { |
1723 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1724 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1725 | } | |
1726 | ||
1727 | XSRETURN(entries); | |
1728 | } | |
1729 | ||
be71fc8f NC |
1730 | #define INCPUSH_UNSHIFT 0x01 |
1731 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1732 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1733 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1734 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1735 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1736 | #define INCPUSH_ADD_SUB_DIRS \ |
1737 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1738 | |
312caa8e | 1739 | STATIC void * |
14dd3ad8 | 1740 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1741 | { |
27da23d5 | 1742 | dVAR; |
2f9285f8 | 1743 | PerlIO *rsfp; |
312caa8e | 1744 | int argc = PL_origargc; |
8f42b153 | 1745 | char **argv = PL_origargv; |
e1ec3a88 | 1746 | const char *scriptname = NULL; |
312caa8e | 1747 | VOL bool dosearch = FALSE; |
c7030b81 | 1748 | register char c; |
737c24fc | 1749 | bool doextract = FALSE; |
bd61b366 | 1750 | const char *cddir = NULL; |
ab019eaa | 1751 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1752 | bool minus_f = FALSE; |
ab019eaa | 1753 | #endif |
009d90df | 1754 | SV *linestr_sv = newSV_type(SVt_PVIV); |
5486870f | 1755 | bool add_read_e_script = FALSE; |
009d90df | 1756 | |
ca7b837b | 1757 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1758 | |
009d90df | 1759 | SvGROW(linestr_sv, 80); |
76f68e9b | 1760 | sv_setpvs(linestr_sv,""); |
312caa8e | 1761 | |
6224f72b | 1762 | init_main_stash(); |
54310121 | 1763 | |
c7030b81 NC |
1764 | { |
1765 | const char *s; | |
6224f72b GS |
1766 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1767 | if (argv[0][0] != '-' || !argv[0][1]) | |
1768 | break; | |
6224f72b GS |
1769 | s = argv[0]+1; |
1770 | reswitch: | |
47f56822 | 1771 | switch ((c = *s)) { |
729a02f2 | 1772 | case 'C': |
1d5472a9 GS |
1773 | #ifndef PERL_STRICT_CR |
1774 | case '\r': | |
1775 | #endif | |
6224f72b GS |
1776 | case ' ': |
1777 | case '0': | |
1778 | case 'F': | |
1779 | case 'a': | |
1780 | case 'c': | |
1781 | case 'd': | |
1782 | case 'D': | |
1783 | case 'h': | |
1784 | case 'i': | |
1785 | case 'l': | |
1786 | case 'M': | |
1787 | case 'm': | |
1788 | case 'n': | |
1789 | case 'p': | |
1790 | case 's': | |
1791 | case 'u': | |
1792 | case 'U': | |
1793 | case 'v': | |
599cee73 PM |
1794 | case 'W': |
1795 | case 'X': | |
6224f72b | 1796 | case 'w': |
97bd5664 | 1797 | if ((s = moreswitches(s))) |
6224f72b GS |
1798 | goto reswitch; |
1799 | break; | |
33b78306 | 1800 | |
1dbad523 | 1801 | case 't': |
22f7c9c9 | 1802 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1803 | if( !PL_tainting ) { |
1804 | PL_taint_warn = TRUE; | |
1805 | PL_tainting = TRUE; | |
1806 | } | |
1807 | s++; | |
1808 | goto reswitch; | |
6224f72b | 1809 | case 'T': |
22f7c9c9 | 1810 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1811 | PL_tainting = TRUE; |
317ea90d | 1812 | PL_taint_warn = FALSE; |
6224f72b GS |
1813 | s++; |
1814 | goto reswitch; | |
f86702cc | 1815 | |
bc9b29db RH |
1816 | case 'E': |
1817 | PL_minus_E = TRUE; | |
1818 | /* FALL THROUGH */ | |
6224f72b | 1819 | case 'e': |
f20b2998 | 1820 | forbid_setid('e', FALSE); |
3280af22 | 1821 | if (!PL_e_script) { |
396482e1 | 1822 | PL_e_script = newSVpvs(""); |
5486870f | 1823 | add_read_e_script = TRUE; |
6224f72b GS |
1824 | } |
1825 | if (*++s) | |
3280af22 | 1826 | sv_catpv(PL_e_script, s); |
6224f72b | 1827 | else if (argv[1]) { |
3280af22 | 1828 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1829 | argc--,argv++; |
1830 | } | |
1831 | else | |
47f56822 | 1832 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1833 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1834 | break; |
afe37c7d | 1835 | |
20ef40cf | 1836 | case 'f': |
f5542d3a | 1837 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1838 | minus_f = TRUE; |
f5542d3a | 1839 | #endif |
20ef40cf GA |
1840 | s++; |
1841 | goto reswitch; | |
1842 | ||
6224f72b | 1843 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1844 | forbid_setid('I', FALSE); |
bd61b366 | 1845 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1846 | argc--,argv++; |
1847 | } | |
6224f72b | 1848 | if (s && *s) { |
0df16ed7 | 1849 | STRLEN len = strlen(s); |
55b4bc1c | 1850 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1851 | } |
1852 | else | |
a67e862a | 1853 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1854 | break; |
6224f72b | 1855 | case 'S': |
f20b2998 | 1856 | forbid_setid('S', FALSE); |
6224f72b GS |
1857 | dosearch = TRUE; |
1858 | s++; | |
1859 | goto reswitch; | |
1860 | case 'V': | |
7edfd0ef NC |
1861 | { |
1862 | SV *opts_prog; | |
1863 | ||
7edfd0ef | 1864 | if (*++s != ':') { |
37ca4a5b | 1865 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1866 | } |
1867 | else { | |
1868 | ++s; | |
1869 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1870 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1871 | 0, s, 0); |
1872 | s += strlen(s); | |
1873 | } | |
37ca4a5b | 1874 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1875 | /* don't look for script or read stdin */ |
1876 | scriptname = BIT_BUCKET; | |
1877 | goto reswitch; | |
6224f72b | 1878 | } |
6224f72b | 1879 | case 'x': |
737c24fc | 1880 | doextract = TRUE; |
6224f72b | 1881 | s++; |
304334da | 1882 | if (*s) |
f4c556ac | 1883 | cddir = s; |
6224f72b GS |
1884 | break; |
1885 | case 0: | |
1886 | break; | |
1887 | case '-': | |
1888 | if (!*++s || isSPACE(*s)) { | |
1889 | argc--,argv++; | |
1890 | goto switch_end; | |
1891 | } | |
1892 | /* catch use of gnu style long options */ | |
1893 | if (strEQ(s, "version")) { | |
dd374669 | 1894 | s = (char *)"v"; |
6224f72b GS |
1895 | goto reswitch; |
1896 | } | |
1897 | if (strEQ(s, "help")) { | |
dd374669 | 1898 | s = (char *)"h"; |
6224f72b GS |
1899 | goto reswitch; |
1900 | } | |
1901 | s--; | |
1902 | /* FALL THROUGH */ | |
1903 | default: | |
cea2e8a9 | 1904 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1905 | } |
1906 | } | |
c7030b81 NC |
1907 | } |
1908 | ||
6224f72b | 1909 | switch_end: |
54310121 | 1910 | |
c7030b81 NC |
1911 | { |
1912 | char *s; | |
1913 | ||
f675dbe5 CB |
1914 | if ( |
1915 | #ifndef SECURE_INTERNAL_GETENV | |
1916 | !PL_tainting && | |
1917 | #endif | |
cf756827 | 1918 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1919 | { |
74288ac8 GS |
1920 | while (isSPACE(*s)) |
1921 | s++; | |
317ea90d | 1922 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1923 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1924 | PL_tainting = TRUE; |
317ea90d MS |
1925 | PL_taint_warn = FALSE; |
1926 | } | |
74288ac8 | 1927 | else { |
bd61b366 | 1928 | char *popt_copy = NULL; |
74288ac8 | 1929 | while (s && *s) { |
54913509 | 1930 | const char *d; |
74288ac8 GS |
1931 | while (isSPACE(*s)) |
1932 | s++; | |
1933 | if (*s == '-') { | |
1934 | s++; | |
1935 | if (isSPACE(*s)) | |
1936 | continue; | |
1937 | } | |
4ea8f8fb | 1938 | d = s; |
74288ac8 GS |
1939 | if (!*s) |
1940 | break; | |
2b622f1a | 1941 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 1942 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1943 | while (++s && *s) { |
1944 | if (isSPACE(*s)) { | |
cf756827 | 1945 | if (!popt_copy) { |
bfa6c418 NC |
1946 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
1947 | s = popt_copy + (s - d); | |
1948 | d = popt_copy; | |
cf756827 | 1949 | } |
4ea8f8fb MS |
1950 | *s++ = '\0'; |
1951 | break; | |
1952 | } | |
1953 | } | |
1c4db469 | 1954 | if (*d == 't') { |
317ea90d MS |
1955 | if( !PL_tainting ) { |
1956 | PL_taint_warn = TRUE; | |
1957 | PL_tainting = TRUE; | |
1958 | } | |
1c4db469 | 1959 | } else { |
97bd5664 | 1960 | moreswitches(d); |
1c4db469 | 1961 | } |
6224f72b | 1962 | } |
6224f72b GS |
1963 | } |
1964 | } | |
c7030b81 | 1965 | } |
a0d0e21e | 1966 | |
43c0c913 | 1967 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 1968 | if (!minus_f) { |
43c0c913 | 1969 | /* The games with local $! are to avoid setting errno if there is no |
404ad9dc | 1970 | sitecustomize script. */ |
43c0c913 NC |
1971 | # ifdef PERL_IS_MINIPERL |
1972 | AV *const inc = GvAV(PL_incgv); | |
1973 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
1974 | ||
1975 | if (inc0) { | |
1976 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
1977 | Perl_newSVpvf(aTHX_ | |
1978 | "BEGIN { do {local $!; -f '%"SVf"/buildcustomize.pl'} && do '%"SVf"/buildcustomize.pl' }", *inc0, *inc0)); | |
1979 | } | |
1980 | # else | |
1981 | /* SITELIB_EXP is a function call on Win32. */ | |
404ad9dc | 1982 | const char *const sitelib = SITELIB_EXP; |
29a861e7 | 1983 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
404ad9dc NC |
1984 | Perl_newSVpvf(aTHX_ |
1985 | "BEGIN { do {local $!; -f '%s/sitecustomize.pl'} && do '%s/sitecustomize.pl' }", sitelib, sitelib)); | |
43c0c913 | 1986 | # endif |
20ef40cf GA |
1987 | } |
1988 | #endif | |
1989 | ||
6224f72b GS |
1990 | if (!scriptname) |
1991 | scriptname = argv[0]; | |
3280af22 | 1992 | if (PL_e_script) { |
6224f72b GS |
1993 | argc++,argv--; |
1994 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1995 | } | |
bd61b366 | 1996 | else if (scriptname == NULL) { |
6224f72b GS |
1997 | #ifdef MSDOS |
1998 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 1999 | moreswitches("h"); |
6224f72b GS |
2000 | #endif |
2001 | scriptname = "-"; | |
2002 | } | |
2003 | ||
b7975bdd NC |
2004 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2005 | assert (!PL_tainted); | |
2006 | TAINT; | |
2007 | S_set_caret_X(aTHX); | |
2008 | TAINT_NOT; | |
2cace6ac | 2009 | init_perllib(); |
6224f72b | 2010 | |
a52eba0e | 2011 | { |
f20b2998 | 2012 | bool suidscript = FALSE; |
829372d3 | 2013 | |
cc69b689 | 2014 | open_script(scriptname, dosearch, &suidscript, &rsfp); |
6224f72b | 2015 | |
2f9285f8 | 2016 | validate_suid(validarg, scriptname, fdscript, suidscript, |
cc69b689 | 2017 | linestr_sv, rsfp); |
6224f72b | 2018 | |
64ca3a65 | 2019 | #ifndef PERL_MICRO |
a52eba0e NC |
2020 | # if defined(SIGCHLD) || defined(SIGCLD) |
2021 | { | |
2022 | # ifndef SIGCHLD | |
2023 | # define SIGCHLD SIGCLD | |
2024 | # endif | |
2025 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2026 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2027 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2028 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2029 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2030 | } | |
0b5b802d | 2031 | } |
a52eba0e | 2032 | # endif |
64ca3a65 | 2033 | #endif |
0b5b802d | 2034 | |
737c24fc | 2035 | if (doextract) { |
faef540c | 2036 | |
f20b2998 | 2037 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2038 | setuid scripts. */ |
2039 | forbid_setid('x', suidscript); | |
f20b2998 | 2040 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2041 | |
2f9285f8 | 2042 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2043 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2044 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2045 | } | |
f4c556ac | 2046 | } |
6224f72b | 2047 | |
ea726b52 | 2048 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2049 | CvUNIQUE_on(PL_compcv); |
2050 | ||
dd2155a4 | 2051 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2052 | |
dd69841b BB |
2053 | PL_isarev = newHV(); |
2054 | ||
0c4f7ff0 | 2055 | boot_core_PerlIO(); |
6224f72b | 2056 | boot_core_UNIVERSAL(); |
e1a479c5 | 2057 | boot_core_mro(); |
4a5df386 | 2058 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2059 | |
2060 | if (xsinit) | |
acfe0abc | 2061 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2062 | #ifndef PERL_MICRO |
d0d72822 | 2063 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2064 | init_os_extras(); |
6224f72b | 2065 | #endif |
64ca3a65 | 2066 | #endif |
6224f72b | 2067 | |
29209bc5 | 2068 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2069 | # ifdef HAS_SOCKS5_INIT |
2070 | socks5_init(argv[0]); | |
2071 | # else | |
29209bc5 | 2072 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2073 | # endif |
ac27b0f5 | 2074 | #endif |
29209bc5 | 2075 | |
6224f72b GS |
2076 | init_predump_symbols(); |
2077 | /* init_postdump_symbols not currently designed to be called */ | |
2078 | /* more than once (ENV isn't cleared first, for example) */ | |
2079 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2080 | if (!PL_do_undump) |
6224f72b GS |
2081 | init_postdump_symbols(argc,argv,env); |
2082 | ||
27da23d5 JH |
2083 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2084 | * or explicitly in some platforms. | |
085a54d9 | 2085 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2086 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2087 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2088 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2089 | #endif | |
e27b5b51 | 2090 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2091 | if (PL_unicode) { |
2092 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2093 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2094 | IO* io; |
2095 | PerlIO* fp; | |
2096 | SV* sv; | |
2097 | ||
a05d7ebb | 2098 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2099 | * and the default open disciplines. */ |
a05d7ebb JH |
2100 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2101 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2102 | (fp = IoIFP(io))) | |
2103 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2104 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2105 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2106 | (fp = IoOFP(io))) | |
2107 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2108 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2109 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2110 | (fp = IoOFP(io))) | |
2111 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2112 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2113 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2114 | SVt_PV)))) { | |
a05d7ebb JH |
2115 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2116 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2117 | if (in) { | |
2118 | if (out) | |
76f68e9b | 2119 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2120 | else |
76f68e9b | 2121 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2122 | } |
2123 | else if (out) | |
76f68e9b | 2124 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2125 | SvSETMAGIC(sv); |
2126 | } | |
b310b053 JH |
2127 | } |
2128 | } | |
e27b5b51 | 2129 | #endif |
b310b053 | 2130 | |
c7030b81 NC |
2131 | { |
2132 | const char *s; | |
4ffa73a3 JH |
2133 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2134 | if (strEQ(s, "unsafe")) | |
2135 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2136 | else if (strEQ(s, "safe")) | |
2137 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2138 | else | |
2139 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2140 | } | |
c7030b81 | 2141 | } |
4ffa73a3 | 2142 | |
81d86705 | 2143 | #ifdef PERL_MAD |
c7030b81 NC |
2144 | { |
2145 | const char *s; | |
81d86705 NC |
2146 | if ((s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
2147 | PL_madskills = 1; | |
2148 | PL_minus_c = 1; | |
2149 | if (!s || !s[0]) | |
2150 | PL_xmlfp = PerlIO_stdout(); | |
2151 | else { | |
2152 | PL_xmlfp = PerlIO_open(s, "w"); | |
2153 | if (!PL_xmlfp) | |
2154 | Perl_croak(aTHX_ "Can't open %s", s); | |
2155 | } | |
1a9a51d4 | 2156 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2157 | } |
c7030b81 NC |
2158 | } |
2159 | ||
2160 | { | |
2161 | const char *s; | |
81d86705 NC |
2162 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2163 | PL_madskills = atoi(s); | |
1a9a51d4 | 2164 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2165 | } |
c7030b81 | 2166 | } |
81d86705 NC |
2167 | #endif |
2168 | ||
8eaa0acf | 2169 | lex_start(linestr_sv, rsfp, 0); |
219f7226 | 2170 | PL_subname = newSVpvs("main"); |
6224f72b | 2171 | |
5486870f DM |
2172 | if (add_read_e_script) |
2173 | filter_add(read_e_script, NULL); | |
2174 | ||
6224f72b GS |
2175 | /* now parse the script */ |
2176 | ||
93189314 | 2177 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2178 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2179 | if (PL_minus_c) |
cea2e8a9 | 2180 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2181 | else { |
cea2e8a9 | 2182 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2183 | PL_origfilename); |
6224f72b GS |
2184 | } |
2185 | } | |
57843af0 | 2186 | CopLINE_set(PL_curcop, 0); |
3280af22 | 2187 | PL_curstash = PL_defstash; |
3280af22 NIS |
2188 | if (PL_e_script) { |
2189 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2190 | PL_e_script = NULL; |
6224f72b GS |
2191 | } |
2192 | ||
3280af22 | 2193 | if (PL_do_undump) |
6224f72b GS |
2194 | my_unexec(); |
2195 | ||
57843af0 GS |
2196 | if (isWARN_ONCE) { |
2197 | SAVECOPFILE(PL_curcop); | |
2198 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2199 | gv_check(PL_defstash); |
57843af0 | 2200 | } |
6224f72b GS |
2201 | |
2202 | LEAVE; | |
2203 | FREETMPS; | |
2204 | ||
2205 | #ifdef MYMALLOC | |
f6a607bc RGS |
2206 | { |
2207 | const char *s; | |
6224f72b GS |
2208 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2209 | dump_mstats("after compilation:"); | |
f6a607bc | 2210 | } |
6224f72b GS |
2211 | #endif |
2212 | ||
2213 | ENTER; | |
febb3a6d | 2214 | PL_restartjmpenv = NULL; |
3280af22 | 2215 | PL_restartop = 0; |
312caa8e | 2216 | return NULL; |
6224f72b GS |
2217 | } |
2218 | ||
954c1994 GS |
2219 | /* |
2220 | =for apidoc perl_run | |
2221 | ||
2222 | Tells a Perl interpreter to run. See L<perlembed>. | |
2223 | ||
2224 | =cut | |
2225 | */ | |
2226 | ||
6224f72b | 2227 | int |
0cb96387 | 2228 | perl_run(pTHXx) |
6224f72b | 2229 | { |
97aff369 | 2230 | dVAR; |
6224f72b | 2231 | I32 oldscope; |
14dd3ad8 | 2232 | int ret = 0; |
db36c5a1 | 2233 | dJMPENV; |
6224f72b | 2234 | |
7918f24d NC |
2235 | PERL_ARGS_ASSERT_PERL_RUN; |
2236 | #ifndef MULTIPLICITY | |
ed6c66dd | 2237 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2238 | #endif |
9d4ba2ae | 2239 | |
3280af22 | 2240 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2241 | #ifdef VMS |
2242 | VMSISH_HUSHED = 0; | |
2243 | #endif | |
6224f72b | 2244 | |
14dd3ad8 | 2245 | JMPENV_PUSH(ret); |
6224f72b GS |
2246 | switch (ret) { |
2247 | case 1: | |
2248 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2249 | goto redo_body; |
14dd3ad8 | 2250 | case 0: /* normal completion */ |
14dd3ad8 GS |
2251 | redo_body: |
2252 | run_body(oldscope); | |
14dd3ad8 GS |
2253 | /* FALL THROUGH */ |
2254 | case 2: /* my_exit() */ | |
3280af22 | 2255 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2256 | LEAVE; |
2257 | FREETMPS; | |
3280af22 | 2258 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2259 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2260 | PL_endav && !PL_minus_c) { |
ca7b837b | 2261 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2262 | call_list(oldscope, PL_endav); |
9ebf26ad | 2263 | } |
6224f72b GS |
2264 | #ifdef MYMALLOC |
2265 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2266 | dump_mstats("after execution: "); | |
2267 | #endif | |
37038d91 | 2268 | ret = STATUS_EXIT; |
14dd3ad8 | 2269 | break; |
6224f72b | 2270 | case 3: |
312caa8e CS |
2271 | if (PL_restartop) { |
2272 | POPSTACK_TO(PL_mainstack); | |
2273 | goto redo_body; | |
6224f72b | 2274 | } |
bf49b057 | 2275 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2276 | FREETMPS; |
14dd3ad8 GS |
2277 | ret = 1; |
2278 | break; | |
6224f72b GS |
2279 | } |
2280 | ||
14dd3ad8 GS |
2281 | JMPENV_POP; |
2282 | return ret; | |
312caa8e CS |
2283 | } |
2284 | ||
dd374669 | 2285 | STATIC void |
14dd3ad8 GS |
2286 | S_run_body(pTHX_ I32 oldscope) |
2287 | { | |
97aff369 | 2288 | dVAR; |
6224f72b | 2289 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2290 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2291 | |
3280af22 | 2292 | if (!PL_restartop) { |
81d86705 NC |
2293 | #ifdef PERL_MAD |
2294 | if (PL_xmlfp) { | |
2295 | xmldump_all(); | |
2296 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2297 | } | |
2298 | #endif | |
cf2782cd | 2299 | #ifdef DEBUGGING |
f0e3f042 CS |
2300 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2301 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2302 | if (!DEBUG_q_TEST) |
2303 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2304 | #endif |
6224f72b | 2305 | |
3280af22 | 2306 | if (PL_minus_c) { |
bf49b057 | 2307 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2308 | my_exit(0); |
2309 | } | |
3280af22 | 2310 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2311 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad | 2312 | if (PL_initav) { |
ca7b837b | 2313 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2314 | call_list(oldscope, PL_initav); |
9ebf26ad | 2315 | } |
f1fac472 NC |
2316 | #ifdef PERL_DEBUG_READONLY_OPS |
2317 | Perl_pending_Slabs_to_ro(aTHX); | |
2318 | #endif | |
6224f72b GS |
2319 | } |
2320 | ||
2321 | /* do it */ | |
2322 | ||
ca7b837b | 2323 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2324 | |
3280af22 | 2325 | if (PL_restartop) { |
febb3a6d | 2326 | PL_restartjmpenv = NULL; |
533c011a | 2327 | PL_op = PL_restartop; |
3280af22 | 2328 | PL_restartop = 0; |
cea2e8a9 | 2329 | CALLRUNOPS(aTHX); |
6224f72b | 2330 | } |
3280af22 NIS |
2331 | else if (PL_main_start) { |
2332 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2333 | PL_op = PL_main_start; |
cea2e8a9 | 2334 | CALLRUNOPS(aTHX); |
6224f72b | 2335 | } |
f6b3007c JH |
2336 | my_exit(0); |
2337 | /* NOTREACHED */ | |
6224f72b GS |
2338 | } |
2339 | ||
954c1994 | 2340 | /* |
ccfc67b7 JH |
2341 | =head1 SV Manipulation Functions |
2342 | ||
954c1994 GS |
2343 | =for apidoc p||get_sv |
2344 | ||
64ace3f8 NC |
2345 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2346 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2347 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2348 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2349 | |
2350 | =cut | |
2351 | */ | |
2352 | ||
6224f72b | 2353 | SV* |
64ace3f8 | 2354 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2355 | { |
2356 | GV *gv; | |
7918f24d NC |
2357 | |
2358 | PERL_ARGS_ASSERT_GET_SV; | |
2359 | ||
64ace3f8 | 2360 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2361 | if (gv) |
2362 | return GvSV(gv); | |
a0714e2c | 2363 | return NULL; |
6224f72b GS |
2364 | } |
2365 | ||
954c1994 | 2366 | /* |
ccfc67b7 JH |
2367 | =head1 Array Manipulation Functions |
2368 | ||
954c1994 GS |
2369 | =for apidoc p||get_av |
2370 | ||
f0b90de1 SF |
2371 | Returns the AV of the specified Perl global or package array with the given |
2372 | name (so it won't work on lexical variables). C<flags> are passed | |
2373 | to C<gv_fetchpv>. If C<GV_ADD> is set and the | |
cbfd0a87 NC |
2374 | Perl variable does not exist then it will be created. If C<flags> is zero |
2375 | and the variable does not exist then NULL is returned. | |
954c1994 | 2376 | |
f0b90de1 SF |
2377 | Perl equivalent: C<@{"$name"}>. |
2378 | ||
954c1994 GS |
2379 | =cut |
2380 | */ | |
2381 | ||
6224f72b | 2382 | AV* |
cbfd0a87 | 2383 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2384 | { |
cbfd0a87 | 2385 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2386 | |
2387 | PERL_ARGS_ASSERT_GET_AV; | |
2388 | ||
cbfd0a87 | 2389 | if (flags) |
6224f72b GS |
2390 | return GvAVn(gv); |
2391 | if (gv) | |
2392 | return GvAV(gv); | |
7d49f689 | 2393 | return NULL; |
6224f72b GS |
2394 | } |
2395 | ||
954c1994 | 2396 | /* |
ccfc67b7 JH |
2397 | =head1 Hash Manipulation Functions |
2398 | ||
954c1994 GS |
2399 | =for apidoc p||get_hv |
2400 | ||
6673a63c NC |
2401 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2402 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2403 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2404 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2405 | |
2406 | =cut | |
2407 | */ | |
2408 | ||
6224f72b | 2409 | HV* |
6673a63c | 2410 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2411 | { |
6673a63c | 2412 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2413 | |
2414 | PERL_ARGS_ASSERT_GET_HV; | |
2415 | ||
6673a63c | 2416 | if (flags) |
a0d0e21e LW |
2417 | return GvHVn(gv); |
2418 | if (gv) | |
2419 | return GvHV(gv); | |
5c284bb0 | 2420 | return NULL; |
a0d0e21e LW |
2421 | } |
2422 | ||
954c1994 | 2423 | /* |
ccfc67b7 JH |
2424 | =head1 CV Manipulation Functions |
2425 | ||
780a5241 NC |
2426 | =for apidoc p||get_cvn_flags |
2427 | ||
2428 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2429 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2430 | exist then it will be declared (which has the same effect as saying | |
2431 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2432 | then NULL is returned. | |
2433 | ||
954c1994 GS |
2434 | =for apidoc p||get_cv |
2435 | ||
780a5241 | 2436 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2437 | |
2438 | =cut | |
2439 | */ | |
2440 | ||
a0d0e21e | 2441 | CV* |
780a5241 | 2442 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2443 | { |
780a5241 | 2444 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
f6ec51f7 GS |
2445 | /* XXX this is probably not what they think they're getting. |
2446 | * It has the same effect as "sub name;", i.e. just a forward | |
2447 | * declaration! */ | |
7918f24d NC |
2448 | |
2449 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2450 | ||
780a5241 | 2451 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
740cce10 | 2452 | SV *const sv = newSVpvn_flags(name, len, flags & SVf_UTF8); |
774d564b | 2453 | return newSUB(start_subparse(FALSE, 0), |
780a5241 | 2454 | newSVOP(OP_CONST, 0, sv), |
5f66b61c | 2455 | NULL, NULL); |
780a5241 | 2456 | } |
a0d0e21e | 2457 | if (gv) |
8ebc5c01 | 2458 | return GvCVu(gv); |
601f1833 | 2459 | return NULL; |
a0d0e21e LW |
2460 | } |
2461 | ||
2c67934f NC |
2462 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2463 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2464 | CV* |
2465 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2466 | { | |
7918f24d NC |
2467 | PERL_ARGS_ASSERT_GET_CV; |
2468 | ||
780a5241 NC |
2469 | return get_cvn_flags(name, strlen(name), flags); |
2470 | } | |
2471 | ||
79072805 LW |
2472 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2473 | ||
954c1994 | 2474 | /* |
ccfc67b7 JH |
2475 | |
2476 | =head1 Callback Functions | |
2477 | ||
954c1994 GS |
2478 | =for apidoc p||call_argv |
2479 | ||
f0b90de1 SF |
2480 | Performs a callback to the specified named and package-scoped Perl subroutine |
2481 | with C<argv> (a NULL-terminated array of strings) as arguments. See L<perlcall>. | |
2482 | ||
2483 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2484 | |
2485 | =cut | |
2486 | */ | |
2487 | ||
a0d0e21e | 2488 | I32 |
8f42b153 | 2489 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2490 | |
8ac85365 NIS |
2491 | /* See G_* flags in cop.h */ |
2492 | /* null terminated arg list */ | |
8990e307 | 2493 | { |
97aff369 | 2494 | dVAR; |
a0d0e21e | 2495 | dSP; |
8990e307 | 2496 | |
7918f24d NC |
2497 | PERL_ARGS_ASSERT_CALL_ARGV; |
2498 | ||
924508f0 | 2499 | PUSHMARK(SP); |
a0d0e21e | 2500 | if (argv) { |
8990e307 | 2501 | while (*argv) { |
6e449a3a | 2502 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2503 | argv++; |
2504 | } | |
a0d0e21e | 2505 | PUTBACK; |
8990e307 | 2506 | } |
864dbfa3 | 2507 | return call_pv(sub_name, flags); |
8990e307 LW |
2508 | } |
2509 | ||
954c1994 GS |
2510 | /* |
2511 | =for apidoc p||call_pv | |
2512 | ||
2513 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2514 | ||
2515 | =cut | |
2516 | */ | |
2517 | ||
a0d0e21e | 2518 | I32 |
864dbfa3 | 2519 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2520 | /* name of the subroutine */ |
2521 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2522 | { |
7918f24d NC |
2523 | PERL_ARGS_ASSERT_CALL_PV; |
2524 | ||
0da0e728 | 2525 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2526 | } |
2527 | ||
954c1994 GS |
2528 | /* |
2529 | =for apidoc p||call_method | |
2530 | ||
2531 | Performs a callback to the specified Perl method. The blessed object must | |
2532 | be on the stack. See L<perlcall>. | |
2533 | ||
2534 | =cut | |
2535 | */ | |
2536 | ||
a0d0e21e | 2537 | I32 |
864dbfa3 | 2538 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2539 | /* name of the subroutine */ |
2540 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2541 | { |
46ca9bac | 2542 | STRLEN len; |
7918f24d NC |
2543 | PERL_ARGS_ASSERT_CALL_METHOD; |
2544 | ||
46ca9bac GF |
2545 | len = strlen(methname); |
2546 | ||
2547 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2548 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2549 | } |
2550 | ||
2551 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2552 | /* |
2553 | =for apidoc p||call_sv | |
2554 | ||
2555 | Performs a callback to the Perl sub whose name is in the SV. See | |
2556 | L<perlcall>. | |
2557 | ||
2558 | =cut | |
2559 | */ | |
2560 | ||
a0d0e21e | 2561 | I32 |
001d637e | 2562 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2563 | /* See G_* flags in cop.h */ |
a0d0e21e | 2564 | { |
27da23d5 | 2565 | dVAR; dSP; |
a0d0e21e | 2566 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2567 | UNOP method_op; |
aa689395 | 2568 | I32 oldmark; |
8ea43dc8 | 2569 | VOL I32 retval = 0; |
a0d0e21e | 2570 | I32 oldscope; |
54310121 | 2571 | bool oldcatch = CATCH_GET; |
6224f72b | 2572 | int ret; |
c4420975 | 2573 | OP* const oldop = PL_op; |
db36c5a1 | 2574 | dJMPENV; |
1e422769 | 2575 | |
7918f24d NC |
2576 | PERL_ARGS_ASSERT_CALL_SV; |
2577 | ||
a0d0e21e LW |
2578 | if (flags & G_DISCARD) { |
2579 | ENTER; | |
2580 | SAVETMPS; | |
2581 | } | |
2f8edad0 NC |
2582 | if (!(flags & G_WANT)) { |
2583 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2584 | */ | |
2585 | flags |= G_SCALAR; | |
2586 | } | |
a0d0e21e | 2587 | |
aa689395 | 2588 | Zero(&myop, 1, LOGOP); |
5f66b61c | 2589 | myop.op_next = NULL; |
f51d4af5 | 2590 | if (!(flags & G_NOARGS)) |
aa689395 | 2591 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2592 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2593 | SAVEOP(); |
533c011a | 2594 | PL_op = (OP*)&myop; |
aa689395 | 2595 | |
3280af22 NIS |
2596 | EXTEND(PL_stack_sp, 1); |
2597 | *++PL_stack_sp = sv; | |
aa689395 | 2598 | oldmark = TOPMARK; |
3280af22 | 2599 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2600 | |
3280af22 | 2601 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2602 | /* Handle first BEGIN of -d. */ |
3280af22 | 2603 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2604 | /* Try harder, since this may have been a sighandler, thus |
2605 | * curstash may be meaningless. */ | |
ea726b52 | 2606 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2607 | && !(flags & G_NODEBUG)) |
533c011a | 2608 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2609 | |
968b3946 GS |
2610 | if (flags & G_METHOD) { |
2611 | Zero(&method_op, 1, UNOP); | |
2612 | method_op.op_next = PL_op; | |
2613 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
377b1098 | 2614 | method_op.op_type = OP_METHOD; |
968b3946 | 2615 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2616 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2617 | PL_op = (OP*)&method_op; |
968b3946 GS |
2618 | } |
2619 | ||
312caa8e | 2620 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2621 | CATCH_SET(TRUE); |
d6f07c05 | 2622 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2623 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2624 | CATCH_SET(oldcatch); |
312caa8e CS |
2625 | } |
2626 | else { | |
d78bda3d | 2627 | myop.op_other = (OP*)&myop; |
3280af22 | 2628 | PL_markstack_ptr--; |
edb2152a | 2629 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2630 | PL_markstack_ptr++; |
a0d0e21e | 2631 | |
14dd3ad8 | 2632 | JMPENV_PUSH(ret); |
edb2152a | 2633 | |
6224f72b GS |
2634 | switch (ret) { |
2635 | case 0: | |
14dd3ad8 | 2636 | redo_body: |
d6f07c05 | 2637 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2638 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2639 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2640 | CLEAR_ERRSV(); |
8433848b | 2641 | } |
a0d0e21e | 2642 | break; |
6224f72b | 2643 | case 1: |
f86702cc | 2644 | STATUS_ALL_FAILURE; |
a0d0e21e | 2645 | /* FALL THROUGH */ |
6224f72b | 2646 | case 2: |
a0d0e21e | 2647 | /* my_exit() was called */ |
3280af22 | 2648 | PL_curstash = PL_defstash; |
a0d0e21e | 2649 | FREETMPS; |
14dd3ad8 | 2650 | JMPENV_POP; |
f86702cc | 2651 | my_exit_jump(); |
a0d0e21e | 2652 | /* NOTREACHED */ |
6224f72b | 2653 | case 3: |
3280af22 | 2654 | if (PL_restartop) { |
febb3a6d | 2655 | PL_restartjmpenv = NULL; |
533c011a | 2656 | PL_op = PL_restartop; |
3280af22 | 2657 | PL_restartop = 0; |
312caa8e | 2658 | goto redo_body; |
a0d0e21e | 2659 | } |
3280af22 | 2660 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2661 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2662 | retval = 0; |
2663 | else { | |
2664 | retval = 1; | |
3280af22 | 2665 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2666 | } |
312caa8e | 2667 | break; |
a0d0e21e | 2668 | } |
a0d0e21e | 2669 | |
edb2152a NC |
2670 | if (PL_scopestack_ix > oldscope) |
2671 | delete_eval_scope(); | |
14dd3ad8 | 2672 | JMPENV_POP; |
a0d0e21e | 2673 | } |
1e422769 | 2674 | |
a0d0e21e | 2675 | if (flags & G_DISCARD) { |
3280af22 | 2676 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2677 | retval = 0; |
2678 | FREETMPS; | |
2679 | LEAVE; | |
2680 | } | |
533c011a | 2681 | PL_op = oldop; |
a0d0e21e LW |
2682 | return retval; |
2683 | } | |
2684 | ||
6e72f9df | 2685 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2686 | |
954c1994 GS |
2687 | /* |
2688 | =for apidoc p||eval_sv | |
2689 | ||
be064c4a DM |
2690 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2691 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2692 | |
2693 | =cut | |
2694 | */ | |
2695 | ||
a0d0e21e | 2696 | I32 |
864dbfa3 | 2697 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2698 | |
8ac85365 | 2699 | /* See G_* flags in cop.h */ |
a0d0e21e | 2700 | { |
97aff369 | 2701 | dVAR; |
924508f0 | 2702 | dSP; |
a0d0e21e | 2703 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2704 | VOL I32 oldmark = SP - PL_stack_base; |
2705 | VOL I32 retval = 0; | |
6224f72b | 2706 | int ret; |
c4420975 | 2707 | OP* const oldop = PL_op; |
db36c5a1 | 2708 | dJMPENV; |
84902520 | 2709 | |
7918f24d NC |
2710 | PERL_ARGS_ASSERT_EVAL_SV; |
2711 | ||
4633a7c4 LW |
2712 | if (flags & G_DISCARD) { |
2713 | ENTER; | |
2714 | SAVETMPS; | |
2715 | } | |
2716 | ||
462e5cf6 | 2717 | SAVEOP(); |
533c011a NIS |
2718 | PL_op = (OP*)&myop; |
2719 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2720 | EXTEND(PL_stack_sp, 1); |
2721 | *++PL_stack_sp = sv; | |
79072805 | 2722 | |
4633a7c4 LW |
2723 | if (!(flags & G_NOARGS)) |
2724 | myop.op_flags = OPf_STACKED; | |
5f66b61c | 2725 | myop.op_next = NULL; |
6e72f9df | 2726 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2727 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2728 | if (flags & G_KEEPERR) |
2729 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2730 | |
dedbcade DM |
2731 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2732 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2733 | TAINT_PROPER("eval_sv()"); | |
2734 | ||
14dd3ad8 | 2735 | JMPENV_PUSH(ret); |
6224f72b GS |
2736 | switch (ret) { |
2737 | case 0: | |
14dd3ad8 | 2738 | redo_body: |
2ba65d5f DM |
2739 | if (PL_op == (OP*)(&myop)) { |
2740 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2741 | if (!PL_op) | |
2742 | goto fail; /* failed in compilation */ | |
2743 | } | |
4aca2f62 | 2744 | CALLRUNOPS(aTHX); |
312caa8e | 2745 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2746 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2747 | CLEAR_ERRSV(); |
8433848b | 2748 | } |
4633a7c4 | 2749 | break; |
6224f72b | 2750 | case 1: |
f86702cc | 2751 | STATUS_ALL_FAILURE; |
4633a7c4 | 2752 | /* FALL THROUGH */ |
6224f72b | 2753 | case 2: |
4633a7c4 | 2754 | /* my_exit() was called */ |
3280af22 | 2755 | PL_curstash = PL_defstash; |
4633a7c4 | 2756 | FREETMPS; |
14dd3ad8 | 2757 | JMPENV_POP; |
f86702cc | 2758 | my_exit_jump(); |
4633a7c4 | 2759 | /* NOTREACHED */ |
6224f72b | 2760 | case 3: |
3280af22 | 2761 | if (PL_restartop) { |
febb3a6d | 2762 | PL_restartjmpenv = NULL; |
533c011a | 2763 | PL_op = PL_restartop; |
3280af22 | 2764 | PL_restartop = 0; |
312caa8e | 2765 | goto redo_body; |
4633a7c4 | 2766 | } |
4aca2f62 | 2767 | fail: |
3280af22 | 2768 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2769 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2770 | retval = 0; |
2771 | else { | |
2772 | retval = 1; | |
3280af22 | 2773 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2774 | } |
312caa8e | 2775 | break; |
4633a7c4 LW |
2776 | } |
2777 | ||
14dd3ad8 | 2778 | JMPENV_POP; |
4633a7c4 | 2779 | if (flags & G_DISCARD) { |
3280af22 | 2780 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2781 | retval = 0; |
2782 | FREETMPS; | |
2783 | LEAVE; | |
2784 | } | |
533c011a | 2785 | PL_op = oldop; |
4633a7c4 LW |
2786 | return retval; |
2787 | } | |
2788 | ||
954c1994 GS |
2789 | /* |
2790 | =for apidoc p||eval_pv | |
2791 | ||
2792 | Tells Perl to C<eval> the given string and return an SV* result. | |
2793 | ||
2794 | =cut | |
2795 | */ | |
2796 | ||
137443ea | 2797 | SV* |
864dbfa3 | 2798 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2799 | { |
97aff369 | 2800 | dVAR; |
137443ea | 2801 | dSP; |
2802 | SV* sv = newSVpv(p, 0); | |
2803 | ||
7918f24d NC |
2804 | PERL_ARGS_ASSERT_EVAL_PV; |
2805 | ||
864dbfa3 | 2806 | eval_sv(sv, G_SCALAR); |
137443ea | 2807 | SvREFCNT_dec(sv); |
2808 | ||
2809 | SPAGAIN; | |
2810 | sv = POPs; | |
2811 | PUTBACK; | |
2812 | ||
2d8e6c8d | 2813 | if (croak_on_error && SvTRUE(ERRSV)) { |
f1f66076 | 2814 | Perl_croak(aTHX_ "%s", SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2815 | } |
137443ea | 2816 | |
2817 | return sv; | |
2818 | } | |
2819 | ||
4633a7c4 LW |
2820 | /* Require a module. */ |
2821 | ||
954c1994 | 2822 | /* |
ccfc67b7 JH |
2823 | =head1 Embedding Functions |
2824 | ||
954c1994 GS |
2825 | =for apidoc p||require_pv |
2826 | ||
7d3fb230 BS |
2827 | Tells Perl to C<require> the file named by the string argument. It is |
2828 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2829 | implemented that way; consider using load_module instead. |
954c1994 | 2830 | |
7d3fb230 | 2831 | =cut */ |
954c1994 | 2832 | |
4633a7c4 | 2833 | void |
864dbfa3 | 2834 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2835 | { |
97aff369 | 2836 | dVAR; |
d3acc0f7 | 2837 | dSP; |
97aff369 | 2838 | SV* sv; |
7918f24d NC |
2839 | |
2840 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2841 | ||
e788e7d3 | 2842 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2843 | PUTBACK; |
be41e5d9 NC |
2844 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2845 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2846 | SPAGAIN; |
2847 | POPSTACK; | |
79072805 LW |
2848 | } |
2849 | ||
76e3520e | 2850 | STATIC void |
e1ec3a88 | 2851 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2852 | { |
ab821d7f | 2853 | /* This message really ought to be max 23 lines. |
75c72d73 | 2854 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2855 | |
1566c39d NC |
2856 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2857 | minimum of 509 character string literals. */ | |
27da23d5 | 2858 | static const char * const usage_msg[] = { |
1566c39d NC |
2859 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2860 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2861 | " -C[number/list] enables the listed Unicode features\n" | |
2862 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
2863 | " -d[:debugger] run program under debugger\n" | |
2864 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
2865 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
2866 | " -E program like -e, but enables all optional features\n" | |
2867 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
2868 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
2869 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
2870 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
2871 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
2872 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
2873 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
2874 | " -p assume loop like -n but print line also, like sed\n" | |
2875 | " -s enable rudimentary parsing for switches after programfile\n" | |
2876 | " -S look for programfile using PATH environment variable\n", | |
2877 | " -t enable tainting warnings\n" | |
2878 | " -T enable tainting checks\n" | |
2879 | " -u dump core after parsing program\n" | |
2880 | " -U allow unsafe operations\n" | |
2881 | " -v print version, patchlevel and license\n" | |
2882 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 2883 | " -w enable many useful warnings\n" |
1566c39d NC |
2884 | " -W enable all warnings\n" |
2885 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
2886 | " -X disable all warnings\n" | |
2887 | " \n" | |
2888 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 2889 | NULL |
2890 | }; | |
27da23d5 | 2891 | const char * const *p = usage_msg; |
1566c39d | 2892 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 2893 | |
7918f24d NC |
2894 | PERL_ARGS_ASSERT_USAGE; |
2895 | ||
1566c39d NC |
2896 | PerlIO_printf(out, |
2897 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b0e47665 | 2898 | name); |
fb73857a | 2899 | while (*p) |
1566c39d | 2900 | PerlIO_puts(out, *p++); |
4633a7c4 LW |
2901 | } |
2902 | ||
b4ab917c DM |
2903 | /* convert a string of -D options (or digits) into an int. |
2904 | * sets *s to point to the char after the options */ | |
2905 | ||
2906 | #ifdef DEBUGGING | |
2907 | int | |
e1ec3a88 | 2908 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2909 | { |
27da23d5 | 2910 | static const char * const usage_msgd[] = { |
651b8f1a NC |
2911 | " Debugging flag values: (see also -d)\n" |
2912 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
2913 | " s Stack snapshots (with v, displays all stacks)\n" | |
2914 | " l Context (loop) stack processing\n" | |
2915 | " t Trace execution\n" | |
2916 | " o Method and overloading resolution\n", | |
2917 | " c String/numeric conversions\n" | |
2918 | " P Print profiling info, source file input state\n" | |
2919 | " m Memory and SV allocation\n" | |
2920 | " f Format processing\n" | |
2921 | " r Regular expression parsing and execution\n" | |
2922 | " x Syntax tree dump\n", | |
2923 | " u Tainting checks\n" | |
2924 | " H Hash dump -- usurps values()\n" | |
2925 | " X Scratchpad allocation\n" | |
2926 | " D Cleaning up\n" | |
2927 | " T Tokenising\n" | |
2928 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
2929 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
2930 | " v Verbose: use in conjunction with other flags\n" | |
2931 | " C Copy On Write\n" | |
2932 | " A Consistency checks on internal structures\n" | |
2933 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
2934 | " M trace smart match resolution\n" | |
2935 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
2936 | NULL |
2937 | }; | |
b4ab917c | 2938 | int i = 0; |
7918f24d NC |
2939 | |
2940 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
2941 | ||
b4ab917c DM |
2942 | if (isALPHA(**s)) { |
2943 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 2944 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c DM |
2945 | |
2946 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2947 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2948 | if (d) |
2949 | i |= 1 << (d - debopts); | |
2950 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2951 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2952 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2953 | } |
2954 | } | |
e6e64d9b | 2955 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2956 | i = atoi(*s); |
2957 | for (; isALNUM(**s); (*s)++) ; | |
2958 | } | |
ddcf8bc1 | 2959 | else if (givehelp) { |
06e869a4 | 2960 | const char *const *p = usage_msgd; |
651b8f1a | 2961 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 2962 | } |
b4ab917c DM |
2963 | # ifdef EBCDIC |
2964 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2965 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2966 | "-Dp not implemented on this platform\n"); | |
2967 | # endif | |
2968 | return i; | |
2969 | } | |
2970 | #endif | |
2971 | ||
79072805 LW |
2972 | /* This routine handles any switches that can be given during run */ |
2973 | ||
c7030b81 NC |
2974 | const char * |
2975 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 2976 | { |
27da23d5 | 2977 | dVAR; |
84c133a0 | 2978 | UV rschar; |
0544e6df | 2979 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 2980 | |
7918f24d NC |
2981 | PERL_ARGS_ASSERT_MORESWITCHES; |
2982 | ||
79072805 LW |
2983 | switch (*s) { |
2984 | case '0': | |
a863c7d1 | 2985 | { |
f2095865 | 2986 | I32 flags = 0; |
a3b680e6 | 2987 | STRLEN numlen; |
f2095865 JH |
2988 | |
2989 | SvREFCNT_dec(PL_rs); | |
2990 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 2991 | const char *e = s+=2; |
f2095865 JH |
2992 | U8 *tmps; |
2993 | ||
a3b680e6 AL |
2994 | while (*e) |
2995 | e++; | |
f2095865 JH |
2996 | numlen = e - s; |
2997 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2998 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2999 | if (s + numlen < e) { | |
3000 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3001 | numlen = 0; | |
3002 | s--; | |
3003 | } | |
396482e1 | 3004 | PL_rs = newSVpvs(""); |
c5661c80 | 3005 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3006 | tmps = (U8*)SvPVX(PL_rs); |
3007 | uvchr_to_utf8(tmps, rschar); | |
3008 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3009 | SvUTF8_on(PL_rs); | |
3010 | } | |
3011 | else { | |
3012 | numlen = 4; | |
3013 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3014 | if (rschar & ~((U8)~0)) | |
3015 | PL_rs = &PL_sv_undef; | |
3016 | else if (!rschar && numlen >= 2) | |
396482e1 | 3017 | PL_rs = newSVpvs(""); |
f2095865 JH |
3018 | else { |
3019 | char ch = (char)rschar; | |
3020 | PL_rs = newSVpvn(&ch, 1); | |
3021 | } | |
3022 | } | |
64ace3f8 | 3023 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3024 | return s + numlen; |
a863c7d1 | 3025 | } |
46487f74 | 3026 | case 'C': |
a05d7ebb | 3027 | s++; |
dd374669 | 3028 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3029 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3030 | PL_utf8cache = -1; | |
46487f74 | 3031 | return s; |
2304df62 | 3032 | case 'F': |
3280af22 | 3033 | PL_minus_F = TRUE; |
ebce5377 RGS |
3034 | PL_splitstr = ++s; |
3035 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3036 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3037 | return s; |
79072805 | 3038 | case 'a': |
3280af22 | 3039 | PL_minus_a = TRUE; |
79072805 LW |
3040 | s++; |
3041 | return s; | |
3042 | case 'c': | |
3280af22 | 3043 | PL_minus_c = TRUE; |
79072805 LW |
3044 | s++; |
3045 | return s; | |
3046 | case 'd': | |
f20b2998 | 3047 | forbid_setid('d', FALSE); |
4633a7c4 | 3048 | s++; |
2cbb2ee1 RGS |
3049 | |
3050 | /* -dt indicates to the debugger that threads will be used */ | |
3051 | if (*s == 't' && !isALNUM(s[1])) { | |
3052 | ++s; | |
3053 | my_setenv("PERL5DB_THREADED", "1"); | |
3054 | } | |
3055 | ||
70c94a19 RR |
3056 | /* The following permits -d:Mod to accepts arguments following an = |
3057 | in the fashion that -MSome::Mod does. */ | |
3058 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3059 | const char *start; |
3060 | const char *end; | |
3061 | SV *sv; | |
3062 | ||
3063 | if (*++s == '-') { | |
3064 | ++s; | |
3065 | sv = newSVpvs("no Devel::"); | |
3066 | } else { | |
3067 | sv = newSVpvs("use Devel::"); | |
3068 | } | |
3069 | ||
3070 | start = s; | |
3071 | end = s + strlen(s); | |
f85893a1 | 3072 | |
b19934fb | 3073 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
70c94a19 RR |
3074 | while(isALNUM(*s) || *s==':') ++s; |
3075 | if (*s != '=') | |
f85893a1 | 3076 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3077 | else { |
3078 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3079 | /* Don't use NUL as q// delimiter here, this string goes in the |
3080 | * environment. */ | |
3081 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3082 | } |
f85893a1 | 3083 | s = end; |
184f32ec | 3084 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3085 | SvREFCNT_dec(sv); |
4633a7c4 | 3086 | } |
ed094faf | 3087 | if (!PL_perldb) { |
3280af22 | 3088 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3089 | init_debugger(); |
ed094faf | 3090 | } |
79072805 LW |
3091 | return s; |
3092 | case 'D': | |
0453d815 | 3093 | { |
79072805 | 3094 | #ifdef DEBUGGING |
f20b2998 | 3095 | forbid_setid('D', FALSE); |
b4ab917c | 3096 | s++; |
dd374669 | 3097 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3098 | #else /* !DEBUGGING */ |
0453d815 | 3099 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3100 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3101 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3102 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3103 | #endif |
79072805 | 3104 | return s; |
0453d815 | 3105 | } |
4633a7c4 | 3106 | case 'h': |
ac27b0f5 | 3107 | usage(PL_origargv[0]); |
7ca617d0 | 3108 | my_exit(0); |
79072805 | 3109 | case 'i': |
43c5f42d | 3110 | Safefree(PL_inplace); |
c030f24b GH |
3111 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3112 | if (*(s+1) == '\0') { | |
c86a4f2e | 3113 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3114 | return s+1; |
3115 | } | |
3116 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3117 | { |
d4c19fe8 | 3118 | const char * const start = ++s; |
5ef5d758 NC |
3119 | while (*s && !isSPACE(*s)) |
3120 | ++s; | |
3121 | ||
3122 | PL_inplace = savepvn(start, s - start); | |
3123 | } | |
7b8d334a | 3124 | if (*s) { |
5ef5d758 | 3125 | ++s; |
7b8d334a | 3126 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3127 | s++; |
7b8d334a | 3128 | } |
fb73857a | 3129 | return s; |
4e49a025 | 3130 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3131 | forbid_setid('I', FALSE); |
fb73857a | 3132 | ++s; |
3133 | while (*s && isSPACE(*s)) | |
3134 | ++s; | |
3135 | if (*s) { | |
c7030b81 | 3136 | const char *e, *p; |
0df16ed7 GS |
3137 | p = s; |
3138 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3139 | do { | |
3140 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3141 | p = e; | |
3142 | while (isSPACE(*p)) | |
3143 | p++; | |
3144 | } while (*p && *p != '-'); | |
55b4bc1c | 3145 | incpush(s, e-s, |
e28f3139 | 3146 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3147 | s = p; |
3148 | if (*s == '-') | |
3149 | s++; | |
79072805 LW |
3150 | } |
3151 | else | |
a67e862a | 3152 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3153 | return s; |
79072805 | 3154 | case 'l': |
3280af22 | 3155 | PL_minus_l = TRUE; |
79072805 | 3156 | s++; |
7889fe52 NIS |
3157 | if (PL_ors_sv) { |
3158 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3159 | PL_ors_sv = NULL; |
7889fe52 | 3160 | } |
79072805 | 3161 | if (isDIGIT(*s)) { |
53305cf1 | 3162 | I32 flags = 0; |
a3b680e6 | 3163 | STRLEN numlen; |
396482e1 | 3164 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3165 | numlen = 3 + (*s == '0'); |
3166 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3167 | s += numlen; |
3168 | } | |
3169 | else { | |
8bfdd7d9 | 3170 | if (RsPARA(PL_rs)) { |
396482e1 | 3171 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3172 | } |
3173 | else { | |
8bfdd7d9 | 3174 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3175 | } |
79072805 LW |
3176 | } |
3177 | return s; | |
1a30305b | 3178 | case 'M': |
f20b2998 | 3179 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3180 | /* FALL THROUGH */ |
3181 | case 'm': | |
f20b2998 | 3182 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3183 | if (*++s) { |
c7030b81 | 3184 | const char *start; |
b64cb68c | 3185 | const char *end; |
11343788 | 3186 | SV *sv; |
e1ec3a88 | 3187 | const char *use = "use "; |
0544e6df | 3188 | bool colon = FALSE; |
a5f75d66 | 3189 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3190 | /* Leading space on " no " is deliberate, to make both |
3191 | possibilities the same length. */ | |
3192 | if (*s == '-') { use = " no "; ++s; } | |
3193 | sv = newSVpvn(use,4); | |
a5f75d66 | 3194 | start = s; |
1a30305b | 3195 | /* We allow -M'Module qw(Foo Bar)' */ |
0544e6df RB |
3196 | while(isALNUM(*s) || *s==':') { |
3197 | if( *s++ == ':' ) { | |
3198 | if( *s == ':' ) | |
3199 | s++; | |
3200 | else | |
3201 | colon = TRUE; | |
3202 | } | |
3203 | } | |
3204 | if (s == start) | |
3205 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3206 | option); | |
3207 | if (colon) | |
3208 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3209 | "contains single ':'", | |
63da6837 | 3210 | (int)(s - start), start, option); |
b64cb68c | 3211 | end = s + strlen(s); |
c07a80fd | 3212 | if (*s != '=') { |
b64cb68c | 3213 | sv_catpvn(sv, start, end - start); |
0544e6df | 3214 | if (option == 'm') { |
c07a80fd | 3215 | if (*s != '\0') |
cea2e8a9 | 3216 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3217 | sv_catpvs( sv, " ()"); |
c07a80fd | 3218 | } |
3219 | } else { | |
11343788 | 3220 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3221 | /* Use NUL as q''-delimiter. */ |
3222 | sv_catpvs(sv, " split(/,/,q\0"); | |
3223 | ++s; | |
3224 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3225 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3226 | } |
b64cb68c | 3227 | s = end; |
29a861e7 | 3228 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3229 | } |
3230 | else | |
0544e6df | 3231 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3232 | return s; |
79072805 | 3233 | case 'n': |
3280af22 | 3234 | PL_minus_n = TRUE; |
79072805 LW |
3235 | s++; |
3236 | return s; | |
3237 | case 'p': | |
3280af22 | 3238 | PL_minus_p = TRUE; |
79072805 LW |
3239 | s++; |
3240 | return s; | |
3241 | case 's': | |
f20b2998 | 3242 | forbid_setid('s', FALSE); |
3280af22 | 3243 | PL_doswitches = TRUE; |
79072805 LW |
3244 | s++; |
3245 | return s; | |
6537fe72 MS |
3246 | case 't': |
3247 | if (!PL_tainting) | |
22f7c9c9 | 3248 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3249 | s++; |
3250 | return s; | |
463ee0b2 | 3251 | case 'T': |
3280af22 | 3252 | if (!PL_tainting) |
22f7c9c9 | 3253 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3254 | s++; |
3255 | return s; | |
79072805 | 3256 | case 'u': |
3280af22 | 3257 | PL_do_undump = TRUE; |
79072805 LW |
3258 | s++; |
3259 | return s; | |
3260 | case 'U': | |
3280af22 | 3261 | PL_unsafe = TRUE; |
79072805 LW |
3262 | s++; |
3263 | return s; | |
3264 | case 'v': | |
d7aa5382 | 3265 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3266 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3267 | #if !defined(DGUX) |
46807d8e YO |
3268 | { |
3269 | SV* level= vstringify(PL_patchlevel); | |
3270 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3271 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3272 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3273 | # else | |
3274 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3275 | # endif | |
46807d8e YO |
3276 | |
3277 | if (sv_len(num)>=sv_len(level) && strnEQ(SvPV_nolen(num),SvPV_nolen(level),sv_len(level))) { | |
3278 | SvREFCNT_dec(level); | |
3279 | level= num; | |
3280 | } else { | |
d0a9311f | 3281 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); |
46807d8e YO |
3282 | SvREFCNT_dec(num); |
3283 | } | |
3284 | #endif | |
3285 | PerlIO_printf(PerlIO_stdout(), | |
ded326e4 DG |
3286 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3287 | ", version " STRINGIFY(PERL_VERSION) | |
3288 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3289 | " (%"SVf") built for " ARCHNAME, level | |
3290 | ); | |
46807d8e YO |
3291 | SvREFCNT_dec(level); |
3292 | } | |
8e9464f1 JH |
3293 | #else /* DGUX */ |
3294 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3295 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3296 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3297 | SVfARG(vstringify(PL_patchlevel)))); |
8e9464f1 JH |
3298 | PerlIO_printf(PerlIO_stdout(), |
3299 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3300 | OSNAME, __DATE__, __TIME__)); | |
3301 | PerlIO_printf(PerlIO_stdout(), | |
3302 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3303 | OSVERS)); |
8e9464f1 | 3304 | #endif /* !DGUX */ |
fb73857a | 3305 | #if defined(LOCAL_PATCH_COUNT) |
3306 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3307 | PerlIO_printf(PerlIO_stdout(), |
3308 | "\n(with %d registered patch%s, " | |
3309 | "see perl -V for more detail)", | |
bb7a0f54 | 3310 | LOCAL_PATCH_COUNT, |
b0e47665 | 3311 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3312 | #endif |
1a30305b | 3313 | |
b0e47665 | 3314 | PerlIO_printf(PerlIO_stdout(), |
010d7370 | 3315 | "\n\nCopyright 1987-2011, Larry Wall\n"); |
79072805 | 3316 | #ifdef MSDOS |
b0e47665 GS |
3317 | PerlIO_printf(PerlIO_stdout(), |
3318 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3319 | #endif |
3320 | #ifdef DJGPP | |
b0e47665 GS |
3321 | PerlIO_printf(PerlIO_stdout(), |
3322 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3323 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3324 | #endif |
79072805 | 3325 | #ifdef OS2 |
b0e47665 GS |
3326 | PerlIO_printf(PerlIO_stdout(), |
3327 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3328 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3329 | #endif |
79072805 | 3330 | #ifdef atarist |
b0e47665 GS |
3331 | PerlIO_printf(PerlIO_stdout(), |
3332 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3333 | #endif |
a3f9223b | 3334 | #ifdef __BEOS__ |
b0e47665 GS |
3335 | PerlIO_printf(PerlIO_stdout(), |
3336 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3337 | #endif |
1d84e8df | 3338 | #ifdef MPE |
b0e47665 | 3339 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3340 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3341 | #endif |
9d116dd7 | 3342 | #ifdef OEMVS |
b0e47665 GS |
3343 | PerlIO_printf(PerlIO_stdout(), |
3344 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3345 | #endif |
495c5fdc | 3346 | #ifdef __VOS__ |
b0e47665 | 3347 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3348 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3349 | #endif |
092bebab | 3350 | #ifdef __OPEN_VM |
b0e47665 GS |
3351 | PerlIO_printf(PerlIO_stdout(), |
3352 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3353 | #endif |
a1a0e61e | 3354 | #ifdef POSIX_BC |
b0e47665 GS |
3355 | PerlIO_printf(PerlIO_stdout(), |
3356 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3357 | #endif |
f83d2536 | 3358 | #ifdef EPOC |
b0e47665 | 3359 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3360 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3361 | #endif |
e1caacb4 | 3362 | #ifdef UNDER_CE |
b475b3e6 JH |
3363 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3364 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3365 | wce_hitreturn(); |
3366 | #endif | |
a0fd4948 | 3367 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3368 | PerlIO_printf(PerlIO_stdout(), |
3369 | "Symbian port by Nokia, 2004-2005\n"); | |
3370 | #endif | |
baed7233 DL |
3371 | #ifdef BINARY_BUILD_NOTICE |
3372 | BINARY_BUILD_NOTICE; | |
3373 | #endif | |
b0e47665 GS |
3374 | PerlIO_printf(PerlIO_stdout(), |
3375 | "\n\ | |
79072805 | 3376 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3377 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3378 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3379 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3380 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3381 | my_exit(0); |
79072805 | 3382 | case 'w': |
b2e5e6ba | 3383 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { |
ac27b0f5 | 3384 | PL_dowarn |= G_WARN_ON; |
b2e5e6ba | 3385 | } |
599cee73 PM |
3386 | s++; |
3387 | return s; | |
3388 | case 'W': | |
ac27b0f5 | 3389 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d | 3390 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3391 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3392 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3393 | s++; |
3394 | return s; | |
3395 | case 'X': | |
ac27b0f5 | 3396 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d | 3397 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3398 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3399 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3400 | s++; |
3401 | return s; | |
a0d0e21e | 3402 | case '*': |
79072805 | 3403 | case ' ': |
d3133c89 NC |
3404 | while( *s == ' ' ) |
3405 | ++s; | |
3406 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3407 | return s+1; | |
79072805 | 3408 | break; |
a0d0e21e | 3409 | case '-': |
79072805 | 3410 | case 0: |
51882d45 | 3411 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3412 | case '\r': |
3413 | #endif | |
79072805 LW |
3414 | case '\n': |
3415 | case '\t': | |
3416 | break; | |
aa689395 | 3417 | #ifdef ALTERNATE_SHEBANG |
3418 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3419 | break; | |
3420 | #endif | |
79072805 | 3421 | default: |
cea2e8a9 | 3422 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 | 3423 | } |
bd61b366 | 3424 | return NULL; |
79072805 LW |
3425 | } |
3426 | ||
3427 | /* compliments of Tom Christiansen */ | |
3428 | ||
3429 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3430 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3431 | |
3432 | void | |
864dbfa3 | 3433 | Perl_my_unexec(pTHX) |
79072805 | 3434 | { |
b37c2d43 | 3435 | PERL_UNUSED_CONTEXT; |
79072805 | 3436 | #ifdef UNEXEC |
b37c2d43 AL |
3437 | SV * prog = newSVpv(BIN_EXP, 0); |
3438 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3439 | int status = 1; |
79072805 LW |
3440 | extern int etext; |
3441 | ||
396482e1 | 3442 | sv_catpvs(prog, "/perl"); |
396482e1 | 3443 | sv_catpvs(file, ".perldump"); |
79072805 | 3444 | |
ee580363 GS |
3445 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3446 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3447 | PerlProc_exit(status); |
79072805 | 3448 | #else |
a5f75d66 AD |
3449 | # ifdef VMS |
3450 | # include <lib$routines.h> | |
3451 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3452 | # elif defined(WIN32) || defined(__CYGWIN__) |
3453 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3454 | # else |
79072805 | 3455 | ABORT(); /* for use with undump */ |
aa689395 | 3456 | # endif |
a5f75d66 | 3457 | #endif |
79072805 LW |
3458 | } |
3459 | ||
cb68f92d GS |
3460 | /* initialize curinterp */ |
3461 | STATIC void | |
cea2e8a9 | 3462 | S_init_interp(pTHX) |
cb68f92d | 3463 | { |
97aff369 | 3464 | dVAR; |
acfe0abc | 3465 | #ifdef MULTIPLICITY |
115ff745 NC |
3466 | # define PERLVAR(prefix,var,type) |
3467 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3468 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3469 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3470 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3471 | # else |
115ff745 NC |
3472 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3473 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3474 | # endif |
acfe0abc | 3475 | # include "intrpvar.h" |
acfe0abc GS |
3476 | # undef PERLVAR |
3477 | # undef PERLVARA | |
3478 | # undef PERLVARI | |
3479 | # undef PERLVARIC | |
3480 | #else | |
115ff745 NC |
3481 | # define PERLVAR(prefix,var,type) |
3482 | # define PERLVARA(prefix,var,n,type) | |
3483 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3484 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3485 | # include "intrpvar.h" |
acfe0abc GS |
3486 | # undef PERLVAR |
3487 | # undef PERLVARA | |
3488 | # undef PERLVARI | |
3489 | # undef PERLVARIC | |
cb68f92d GS |
3490 | #endif |
3491 | ||
46ab3289 NC |
3492 | /* As these are inside a structure, PERLVARI isn't capable of initialising |
3493 | them */ | |
6c3f0a89 NC |
3494 | PL_reg_oldcurpm = PL_reg_curpm = NULL; |
3495 | PL_reg_poscache = PL_reg_starttry = NULL; | |
cb68f92d GS |
3496 | } |
3497 | ||
76e3520e | 3498 | STATIC void |
cea2e8a9 | 3499 | S_init_main_stash(pTHX) |
79072805 | 3500 | { |
97aff369 | 3501 | dVAR; |
463ee0b2 | 3502 | GV *gv; |
6e72f9df | 3503 | |
3280af22 | 3504 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3505 | /* We know that the string "main" will be in the global shared string |
3506 | table, so it's a small saving to use it rather than allocate another | |
3507 | 8 bytes. */ | |
18916d0d | 3508 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3509 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3510 | /* If we hadn't caused another reference to "main" to be in the shared |
3511 | string table above, then it would be worth reordering these two, | |
3512 | because otherwise all we do is delete "main" from it as a consequence | |
3513 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3514 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3515 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3516 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3517 | SvREADONLY_on(gv); |
fafc274c NC |
3518 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3519 | SVt_PVAV))); | |
5a5094bd | 3520 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3521 | GvMULTI_on(PL_incgv); |
fafc274c | 3522 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3523 | GvMULTI_on(PL_hintgv); |
fafc274c | 3524 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3525 | SvREFCNT_inc_simple_void(PL_defgv); |
fafc274c | 3526 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
5a5094bd | 3527 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3528 | GvMULTI_on(PL_errgv); |
fafc274c | 3529 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3530 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3531 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3532 | #ifdef PERL_DONT_CREATE_GVSV |
3533 | gv_SVadd(PL_errgv); | |
3534 | #endif | |
38a03e6e | 3535 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3536 | CLEAR_ERRSV(); |
3280af22 | 3537 | PL_curstash = PL_defstash; |
11faa288 | 3538 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3539 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3540 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3541 | SVt_PVHV)); | |
4633a7c4 | 3542 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3543 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3544 | } |
3545 | ||
fdf5d70d | 3546 | STATIC int |
2f352907 | 3547 | S_open_script(pTHX_ const char *scriptname, bool dosearch, |
f20b2998 | 3548 | bool *suidscript, PerlIO **rsfpp) |
79072805 | 3549 | { |
fdf5d70d | 3550 | int fdscript = -1; |
27da23d5 | 3551 | dVAR; |
1b24ed4b | 3552 | |
7918f24d NC |
3553 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3554 | ||
3280af22 | 3555 | if (PL_e_script) { |
8afc33d6 | 3556 | PL_origfilename = savepvs("-e"); |
96436eeb | 3557 | } |
6c4ab083 GS |
3558 | else { |
3559 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3560 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3561 | |
3562 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3563 | const char *s = scriptname + 8; |
fdf5d70d | 3564 | fdscript = atoi(s); |
6c4ab083 GS |
3565 | while (isDIGIT(*s)) |
3566 | s++; | |
3567 | if (*s) { | |
ae3f3efd PS |
3568 | /* PSz 18 Feb 04 |
3569 | * Tell apart "normal" usage of fdscript, e.g. | |
3570 | * with bash on FreeBSD: | |
3571 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3572 | * from usage in suidperl. | |
3573 | * Does any "normal" usage leave garbage after the number??? | |
3574 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3575 | * suidperl? | |
3576 | */ | |
f20b2998 | 3577 | *suidscript = TRUE; |
ae3f3efd PS |
3578 | /* PSz 20 Feb 04 |
3579 | * Be supersafe and do some sanity-checks. | |
3580 | * Still, can we be sure we got the right thing? | |
3581 | */ | |
3582 | if (*s != '/') { | |
3583 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3584 | } | |
3585 | if (! *(s+1)) { | |
3586 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3587 | } | |
6c4ab083 | 3588 | scriptname = savepv(s + 1); |
3280af22 | 3589 | Safefree(PL_origfilename); |
dd374669 | 3590 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3591 | } |
3592 | } | |
3593 | } | |
3594 | ||
05ec9bb3 | 3595 | CopFILE_free(PL_curcop); |
57843af0 | 3596 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3597 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3598 | scriptname = (char *)""; |
fdf5d70d | 3599 | if (fdscript >= 0) { |
2f9285f8 | 3600 | *rsfpp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
1b24ed4b | 3601 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3602 | if (*rsfpp) |
1b24ed4b | 3603 | /* ensure close-on-exec */ |
2f9285f8 | 3604 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3605 | # endif |
96436eeb | 3606 | } |
79072805 | 3607 | else if (!*scriptname) { |
cdd8118e | 3608 | forbid_setid(0, *suidscript); |
2f9285f8 | 3609 | *rsfpp = PerlIO_stdin(); |
79072805 | 3610 | } |
96436eeb | 3611 | else { |
9c12f1e5 RGS |
3612 | #ifdef FAKE_BIT_BUCKET |
3613 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3614 | * is called) and still have the "-e" work. (Believe it or not, | |
3615 | * a /dev/null is required for the "-e" to work because source | |
3616 | * filter magic is used to implement it. ) This is *not* a general | |
3617 | * replacement for a /dev/null. What we do here is create a temp | |
3618 | * file (an empty file), open up that as the script, and then | |
3619 | * immediately close and unlink it. Close enough for jazz. */ | |
3620 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3621 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3622 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3623 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3624 | FAKE_BIT_BUCKET_TEMPLATE | |
3625 | }; | |
3626 | const char * const err = "Failed to create a fake bit bucket"; | |
3627 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3628 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3629 | int tmpfd = mkstemp(tmpname); | |
3630 | if (tmpfd > -1) { | |
3631 | scriptname = tmpname; | |
3632 | close(tmpfd); | |
3633 | } else | |
3634 | Perl_croak(aTHX_ err); | |
3635 | #else | |
3636 | # ifdef HAS_MKTEMP | |
3637 | scriptname = mktemp(tmpname); | |
3638 | if (!scriptname) | |
3639 | Perl_croak(aTHX_ err); | |
3640 | # endif | |
3641 | #endif | |
3642 | } | |
3643 | #endif | |
2f9285f8 | 3644 | *rsfpp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3645 | #ifdef FAKE_BIT_BUCKET |
3646 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3647 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3648 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3649 | unlink(scriptname); | |
3650 | } | |
3651 | scriptname = BIT_BUCKET; | |
3652 | #endif | |
1b24ed4b | 3653 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3654 | if (*rsfpp) |
1b24ed4b | 3655 | /* ensure close-on-exec */ |
2f9285f8 | 3656 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3657 | # endif |
96436eeb | 3658 | } |
2f9285f8 | 3659 | if (!*rsfpp) { |
447218f8 | 3660 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3661 | if (PL_e_script) |
3662 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3663 | else | |
3664 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3665 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3666 | } |
fdf5d70d | 3667 | return fdscript; |
79072805 | 3668 | } |
8d063cd8 | 3669 | |
7b89560d JH |
3670 | /* Mention |
3671 | * I_SYSSTATVFS HAS_FSTATVFS | |
3672 | * I_SYSMOUNT | |
c890dc6c | 3673 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3674 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3675 | * here so that metaconfig picks them up. */ | |
3676 | ||
104d25b7 | 3677 | |
cc69b689 | 3678 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3679 | /* Don't even need this function. */ |
cc69b689 | 3680 | #else |
ec2019ad NC |
3681 | STATIC void |
3682 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3683 | { | |
7918f24d NC |
3684 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3685 | ||
3280af22 | 3686 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3687 | dVAR; |
3688 | ||
2f9285f8 | 3689 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
b28d0864 | 3690 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3691 | || |
b28d0864 | 3692 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3693 | ) |
b28d0864 | 3694 | if (!PL_do_undump) |
cea2e8a9 | 3695 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3696 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3697 | /* not set-id, must be wrapped */ |
a687059c | 3698 | } |
79072805 | 3699 | } |
cc69b689 | 3700 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3701 | |
76e3520e | 3702 | STATIC void |
2f9285f8 | 3703 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3704 | { |
97aff369 | 3705 | dVAR; |
c7030b81 | 3706 | const char *s; |
dd374669 | 3707 | register const char *s2; |
33b78306 | 3708 | |
7918f24d NC |
3709 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3710 | ||
33b78306 LW |
3711 | /* skip forward in input to the real script? */ |
3712 | ||
737c24fc | 3713 | do { |
2f9285f8 | 3714 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3715 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3716 | s2 = s; |
737c24fc Z |
3717 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3718 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3719 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3720 | s2 = s; | |
3721 | while (*s == ' ' || *s == '\t') s++; | |
3722 | if (*s++ == '-') { | |
3723 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3724 | || s2[-1] == '_') s2--; | |
3725 | if (strnEQ(s2-4,"perl",4)) | |
3726 | while ((s = moreswitches(s))) | |
3727 | ; | |
83025b21 LW |
3728 | } |
3729 | } | |
3730 | ||
afe37c7d | 3731 | |
76e3520e | 3732 | STATIC void |
cea2e8a9 | 3733 | S_init_ids(pTHX) |
352d5a3a | 3734 | { |
97aff369 | 3735 | dVAR; |
d8eceb89 JH |
3736 | PL_uid = PerlProc_getuid(); |
3737 | PL_euid = PerlProc_geteuid(); | |
3738 | PL_gid = PerlProc_getgid(); | |
3739 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3740 | #ifdef VMS |
b28d0864 NIS |
3741 | PL_uid |= PL_gid << 16; |
3742 | PL_euid |= PL_egid << 16; | |
748a9306 | 3743 | #endif |
22f7c9c9 JH |
3744 | /* Should not happen: */ |
3745 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3746 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
3747 | /* BUG */ |
3748 | /* PSz 27 Feb 04 | |
3749 | * Should go by suidscript, not uid!=euid: why disallow | |
3750 | * system("ls") in scripts run from setuid things? | |
3751 | * Or, is this run before we check arguments and set suidscript? | |
3752 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3753 | * (We never have suidscript, can we be sure to have fdscript?) | |
3754 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3755 | */ | |
748a9306 | 3756 | } |
79072805 | 3757 | |
a0643315 JH |
3758 | /* This is used very early in the lifetime of the program, |
3759 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3760 | * not been initialized properly. */ |
af419de7 | 3761 | bool |
8f42b153 | 3762 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3763 | { |
c3446a78 JH |
3764 | #ifndef PERL_IMPLICIT_SYS |
3765 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3766 | * before we have an interpreter-- and the whole point of this | |
3767 | * function is to be called at such an early stage. If you are on | |
3768 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3769 | * "tainted because running with altered effective ids', you'll | |
3770 | * have to add your own checks somewhere in here. The two most | |
3771 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3772 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3773 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3774 | int euid = PerlProc_geteuid(); |
af419de7 | 3775 | int gid = PerlProc_getgid(); |
22f7c9c9 | 3776 | int egid = PerlProc_getegid(); |
6867be6d | 3777 | (void)envp; |
22f7c9c9 JH |
3778 | |
3779 | #ifdef VMS | |
af419de7 | 3780 | uid |= gid << 16; |
22f7c9c9 JH |
3781 | euid |= egid << 16; |
3782 | #endif | |
3783 | if (uid && (euid != uid || egid != gid)) | |
3784 | return 1; | |
c3446a78 | 3785 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3786 | /* This is a really primitive check; environment gets ignored only |
3787 | * if -T are the first chars together; otherwise one gets | |
3788 | * "Too late" message. */ | |
22f7c9c9 JH |
3789 | if ( argc > 1 && argv[1][0] == '-' |
3790 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3791 | return 1; | |
3792 | return 0; | |
3793 | } | |
22f7c9c9 | 3794 | |
d0bafe7e NC |
3795 | /* Passing the flag as a single char rather than a string is a slight space |
3796 | optimisation. The only message that isn't /^-.$/ is | |
3797 | "program input from stdin", which is substituted in place of '\0', which | |
3798 | could never be a command line flag. */ | |
76e3520e | 3799 | STATIC void |
f20b2998 | 3800 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 3801 | { |
97aff369 | 3802 | dVAR; |
d0bafe7e NC |
3803 | char string[3] = "-x"; |
3804 | const char *message = "program input from stdin"; | |
3805 | ||
3806 | if (flag) { | |
3807 | string[1] = flag; | |
3808 | message = string; | |
3809 | } | |
3810 | ||
ae3f3efd | 3811 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 3812 | if (PL_euid != PL_uid) |
d0bafe7e | 3813 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
3280af22 | 3814 | if (PL_egid != PL_gid) |
d0bafe7e | 3815 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 3816 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 3817 | if (suidscript) |
d0bafe7e | 3818 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 3819 | } |
3820 | ||
1ee4443e | 3821 | void |
5b235299 NC |
3822 | Perl_init_dbargs(pTHX) |
3823 | { | |
3824 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
3825 | GV_ADDMULTI, | |
3826 | SVt_PVAV)))); | |
3827 | ||
3828 | if (AvREAL(args)) { | |
3829 | /* Someone has already created it. | |
3830 | It might have entries, and if we just turn off AvREAL(), they will | |
3831 | "leak" until global destruction. */ | |
3832 | av_clear(args); | |
3833 | } | |
af80dd86 | 3834 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
3835 | } |
3836 | ||
3837 | void | |
1ee4443e | 3838 | Perl_init_debugger(pTHX) |
748a9306 | 3839 | { |
97aff369 | 3840 | dVAR; |
c4420975 | 3841 | HV * const ostash = PL_curstash; |
1ee4443e | 3842 | |
3280af22 | 3843 | PL_curstash = PL_debstash; |
5b235299 NC |
3844 | |
3845 | Perl_init_dbargs(aTHX); | |
5c1737d1 NC |
3846 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3847 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3848 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
3849 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
4c0f30d6 NC |
3850 | if (!SvIOK(PL_DBsingle)) |
3851 | sv_setiv(PL_DBsingle, 0); | |
5c1737d1 | 3852 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3853 | if (!SvIOK(PL_DBtrace)) |
3854 | sv_setiv(PL_DBtrace, 0); | |
5c1737d1 | 3855 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3856 | if (!SvIOK(PL_DBsignal)) |
3857 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 3858 | PL_curstash = ostash; |
352d5a3a LW |
3859 | } |
3860 | ||
2ce36478 SM |
3861 | #ifndef STRESS_REALLOC |
3862 | #define REASONABLE(size) (size) | |
3863 | #else | |
3864 | #define REASONABLE(size) (1) /* unreasonable */ | |
3865 | #endif | |
3866 | ||
11343788 | 3867 | void |
cea2e8a9 | 3868 | Perl_init_stacks(pTHX) |
79072805 | 3869 | { |
97aff369 | 3870 | dVAR; |
e336de0d | 3871 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3872 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3873 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3874 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3875 | PL_curstack = PL_curstackinfo->si_stack; | |
3876 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3877 | |
3280af22 NIS |
3878 | PL_stack_base = AvARRAY(PL_curstack); |
3879 | PL_stack_sp = PL_stack_base; | |
3880 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3881 | |
a02a5408 | 3882 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
3883 | PL_tmps_floor = -1; |
3884 | PL_tmps_ix = -1; | |
3885 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3886 | |
a02a5408 | 3887 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
3888 | PL_markstack_ptr = PL_markstack; |
3889 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3890 | |
ce2f7c3b | 3891 | SET_MARK_OFFSET; |
e336de0d | 3892 | |
a02a5408 | 3893 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
3894 | #ifdef DEBUGGING |
3895 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
3896 | #endif | |
3280af22 NIS |
3897 | PL_scopestack_ix = 0; |
3898 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3899 | |
a02a5408 | 3900 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
3901 | PL_savestack_ix = 0; |
3902 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 3903 | } |
33b78306 | 3904 | |
2ce36478 SM |
3905 | #undef REASONABLE |
3906 | ||
76e3520e | 3907 | STATIC void |
cea2e8a9 | 3908 | S_nuke_stacks(pTHX) |
6e72f9df | 3909 | { |
97aff369 | 3910 | dVAR; |
3280af22 NIS |
3911 | while (PL_curstackinfo->si_next) |
3912 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3913 | while (PL_curstackinfo) { | |
3914 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3915 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3916 | Safefree(PL_curstackinfo->si_cxstack); |
3917 | Safefree(PL_curstackinfo); | |
3918 | PL_curstackinfo = p; | |
e336de0d | 3919 | } |
3280af22 NIS |
3920 | Safefree(PL_tmps_stack); |
3921 | Safefree(PL_markstack); | |
3922 | Safefree(PL_scopestack); | |
58780814 GG |
3923 | #ifdef DEBUGGING |
3924 | Safefree(PL_scopestack_name); | |
3925 | #endif | |
3280af22 | 3926 | Safefree(PL_savestack); |
378cc40b | 3927 | } |
33b78306 | 3928 | |
74e8ce34 NC |
3929 | void |
3930 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
3931 | { | |
3932 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
3933 | AV *const isa = GvAVn(gv); | |
3934 | va_list args; | |
3935 | ||
3936 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
3937 | ||
3938 | if(AvFILLp(isa) != -1) | |
3939 | return; | |
3940 | ||
3941 | /* NOTE: No support for tied ISA */ | |
3942 | ||
3943 | va_start(args, len); | |
3944 | do { | |
3945 | const char *const parent = va_arg(args, const char*); | |
3946 | size_t parent_len; | |
3947 | ||
3948 | if (!parent) | |
3949 | break; | |
3950 | parent_len = va_arg(args, size_t); | |
3951 | ||
3952 | /* Arguments are supplied with a trailing :: */ | |
3953 | assert(parent_len > 2); | |
3954 | assert(parent[parent_len - 1] == ':'); | |
3955 | assert(parent[parent_len - 2] == ':'); | |
3956 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
3957 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
3958 | } while (1); | |
3959 | va_end(args); | |
3960 | } | |
3961 | ||
8990e307 | 3962 | |
76e3520e | 3963 | STATIC void |
cea2e8a9 | 3964 | S_init_predump_symbols(pTHX) |
45d8adaa | 3965 | { |
97aff369 | 3966 | dVAR; |
93a17b20 | 3967 | GV *tmpgv; |
af8c498a | 3968 | IO *io; |
79072805 | 3969 | |
64ace3f8 | 3970 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
3971 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
3972 | ||
d963bf01 NC |
3973 | |
3974 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
3975 | FileHandle was loaded, in which case they were blessed into | |
3976 | that. Action at a distance. | |
3977 | However, if we simply bless into IO::Handle, we break code | |
3978 | that assumes that PVIOs will have (among others) a seek | |
3979 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
3980 | and provides the needed methods. But if we simply bless into | |
3981 | it, then we break code that assumed that by loading | |
3982 | IO::Handle, *it* would work. | |
3983 | So a compromise is to set up the correct @IO::File::ISA, | |
3984 | so that code that does C<use IO::Handle>; will still work. | |
3985 | */ | |
3986 | ||
74e8ce34 NC |
3987 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
3988 | STR_WITH_LEN("IO::Handle::"), | |
3989 | STR_WITH_LEN("IO::Seekable::"), | |
3990 | STR_WITH_LEN("Exporter::"), | |
3991 | NULL); | |
d963bf01 | 3992 | |
fafc274c | 3993 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 3994 | GvMULTI_on(PL_stdingv); |
af8c498a | 3995 | io = GvIOp(PL_stdingv); |
a04651f4 | 3996 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3997 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 3998 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3999 | GvMULTI_on(tmpgv); |
a45c7426 | 4000 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4001 | |
fafc274c | 4002 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4003 | GvMULTI_on(tmpgv); |
af8c498a | 4004 | io = GvIOp(tmpgv); |
a04651f4 | 4005 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4006 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4007 | setdefout(tmpgv); |
fafc274c | 4008 | tmpgv = gv_fetchpvs("stdout", 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 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4013 | GvMULTI_on(PL_stderrgv); |
4014 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4015 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4016 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4017 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4018 | GvMULTI_on(tmpgv); |
a45c7426 | 4019 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4020 | |
561b68a9 | 4021 | PL_statname = newSV(0); /* last filename we did stat on */ |
79072805 | 4022 | } |
33b78306 | 4023 | |
a11ec5a9 | 4024 | void |
8f42b153 | 4025 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 4026 | { |
97aff369 | 4027 | dVAR; |
7918f24d NC |
4028 | |
4029 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
4030 | ||
79072805 | 4031 | argc--,argv++; /* skip name of script */ |
3280af22 | 4032 | if (PL_doswitches) { |
79072805 | 4033 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4034 | char *s; |
79072805 LW |
4035 | if (!argv[0][1]) |
4036 | break; | |
379d538a | 4037 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4038 | argc--,argv++; |
4039 | break; | |
4040 | } | |
155aba94 | 4041 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4042 | const char *const start_name = argv[0] + 1; |
4043 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4044 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4045 | } |
4046 | else | |
71315bf2 | 4047 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4048 | } |
79072805 | 4049 | } |
fafc274c | 4050 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
4051 | GvMULTI_on(PL_argvgv); |
4052 | (void)gv_AVadd(PL_argvgv); | |
4053 | av_clear(GvAVn(PL_argvgv)); | |
4054 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4055 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 4056 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
4057 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4058 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4059 | SvUTF8_on(sv); | |
4060 | } | |
a05d7ebb JH |
4061 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4062 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4063 | } |
4064 | } | |
4065 | } | |
4066 | ||
4067 | STATIC void | |
4068 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
4069 | { | |
27da23d5 | 4070 | dVAR; |
a11ec5a9 | 4071 | GV* tmpgv; |
a11ec5a9 | 4072 | |
7918f24d NC |
4073 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4074 | ||
b9f83d2f | 4075 | PL_toptarget = newSV_type(SVt_PVFM); |
76f68e9b | 4076 | sv_setpvs(PL_toptarget, ""); |
b9f83d2f | 4077 | PL_bodytarget = newSV_type(SVt_PVFM); |
76f68e9b | 4078 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4079 | PL_formtarget = PL_bodytarget; |
79072805 | 4080 | |
bbce6d69 | 4081 | TAINT; |
a11ec5a9 RGS |
4082 | |
4083 | init_argv_symbols(argc,argv); | |
4084 | ||
fafc274c | 4085 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4086 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4087 | } |
fafc274c | 4088 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4089 | HV *hv; |
e17132c1 | 4090 | bool env_is_not_environ; |
3280af22 NIS |
4091 | GvMULTI_on(PL_envgv); |
4092 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4093 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4094 | #ifndef PERL_MICRO |
fa6a1c44 | 4095 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4096 | /* Note that if the supplied env parameter is actually a copy |
4097 | of the global environ then it may now point to free'd memory | |
4098 | if the environment has been modified since. To avoid this | |
4099 | problem we treat env==NULL as meaning 'use the default' | |
4100 | */ | |
4101 | if (!env) | |
4102 | env = environ; | |
e17132c1 JD |
4103 | env_is_not_environ = env != environ; |
4104 | if (env_is_not_environ | |
4efc5df6 GS |
4105 | # ifdef USE_ITHREADS |
4106 | && PL_curinterp == aTHX | |
4107 | # endif | |
4108 | ) | |
4109 | { | |
bd61b366 | 4110 | environ[0] = NULL; |
4efc5df6 | 4111 | } |
9b4eeda5 | 4112 | if (env) { |
9d27dca9 | 4113 | char *s, *old_var; |
27da23d5 | 4114 | SV *sv; |
764df951 | 4115 | for (; *env; env++) { |
9d27dca9 MT |
4116 | old_var = *env; |
4117 | ||
4118 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4119 | continue; |
9d27dca9 | 4120 | |
7da0e383 | 4121 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4122 | *s = '\0'; |
9d27dca9 | 4123 | (void)strupr(old_var); |
61968511 | 4124 | *s = '='; |
137443ea | 4125 | #endif |
61968511 | 4126 | sv = newSVpv(s+1, 0); |
9d27dca9 | 4127 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 4128 | if (env_is_not_environ) |
61968511 | 4129 | mg_set(sv); |
764df951 | 4130 | } |
9b4eeda5 | 4131 | } |
103a7189 | 4132 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4133 | #endif /* !PERL_MICRO */ |
79072805 | 4134 | } |
bbce6d69 | 4135 | TAINT_NOT; |
4d76a344 RGS |
4136 | #ifdef THREADS_HAVE_PIDS |
4137 | PL_ppid = (IV)getppid(); | |
4138 | #endif | |
2710853f MJD |
4139 | |
4140 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4141 | if (PL_minus_a) { | |
cbfd0a87 | 4142 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4143 | } |
33b78306 | 4144 | } |
34de22dd | 4145 | |
76e3520e | 4146 | STATIC void |
2cace6ac | 4147 | S_init_perllib(pTHX) |
34de22dd | 4148 | { |
97aff369 | 4149 | dVAR; |
32910c7a | 4150 | #ifndef VMS |
929e5b34 | 4151 | const char *perl5lib = NULL; |
32910c7a | 4152 | #endif |
35ba5ce9 | 4153 | const char *s; |
a7560424 | 4154 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4155 | STRLEN len; |
4156 | #endif | |
4157 | ||
3280af22 | 4158 | if (!PL_tainting) { |
552a7a9b | 4159 | #ifndef VMS |
32910c7a | 4160 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4161 | /* |
4162 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4163 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4164 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4165 | */ |
4166 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4167 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4168 | #else |
32910c7a | 4169 | if (perl5lib) |
88f5bc07 | 4170 | #endif |
32910c7a | 4171 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4172 | else { |
4705144d NC |
4173 | s = PerlEnv_getenv("PERLLIB"); |
4174 | if (s) | |
50d61629 | 4175 | incpush_use_sep(s, 0, 0); |
4705144d | 4176 | } |
552a7a9b | 4177 | #else /* VMS */ |
4178 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4179 | * "natural" VMS idiom for a Unix path string. We allow each | |
4180 | * element to be a set of |-separated directories for compatibility. | |
4181 | */ | |
4182 | char buf[256]; | |
4183 | int idx = 0; | |
4184 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4185 | do { |
2cace6ac | 4186 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4187 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4188 | else { |
e28f3139 | 4189 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4190 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4191 | } |
552a7a9b | 4192 | #endif /* VMS */ |
85e6fe83 | 4193 | } |
34de22dd | 4194 | |
b0e687f7 NC |
4195 | #ifndef PERL_IS_MINIPERL |
4196 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4197 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4198 | ||
c90c0ff4 | 4199 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4200 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4201 | */ |
4633a7c4 | 4202 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4203 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4204 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4205 | #endif |
4633a7c4 | 4206 | |
65f19062 | 4207 | #ifdef SITEARCH_EXP |
3b290362 GS |
4208 | /* sitearch is always relative to sitelib on Windows for |
4209 | * DLL-based path intuition to work correctly */ | |
4210 | # if !defined(WIN32) | |
be71fc8f NC |
4211 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4212 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4213 | # endif |
4214 | #endif | |
4215 | ||
4633a7c4 | 4216 | #ifdef SITELIB_EXP |
65f19062 | 4217 | # if defined(WIN32) |
574c798a | 4218 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4219 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4220 | if (s) |
e6a0bbf8 | 4221 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4222 | # else |
50d61629 | 4223 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4224 | # endif |
4225 | #endif | |
189d1e8d | 4226 | |
65f19062 | 4227 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4228 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4229 | * DLL-based path intuition to work correctly */ |
4230 | # if !defined(WIN32) | |
be71fc8f NC |
4231 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4232 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4233 | # endif |
4b03c463 | 4234 | #endif |
65f19062 GS |
4235 | |
4236 | #ifdef PERL_VENDORLIB_EXP | |
4237 | # if defined(WIN32) | |
e28f3139 | 4238 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4239 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4240 | if (s) |
e6a0bbf8 | 4241 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4242 | # else |
be71fc8f NC |
4243 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4244 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4245 | # endif |
a3635516 | 4246 | #endif |
65f19062 | 4247 | |
b9ba2fad | 4248 | #ifdef ARCHLIB_EXP |
2cace6ac | 4249 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4250 | #endif |
4251 | ||
4252 | #ifndef PRIVLIB_EXP | |
4253 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4254 | #endif | |
4255 | ||
4256 | #if defined(WIN32) | |
2cace6ac NC |
4257 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4258 | if (s) | |
4259 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4260 | #else |
04c9eecc | 4261 | # ifdef NETWARE |
2cace6ac | 4262 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4263 | # else |
2cace6ac | 4264 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4265 | # endif |
b9ba2fad NC |
4266 | #endif |
4267 | ||
3b777bb4 | 4268 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4269 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4270 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4271 | |INCPUSH_CAN_RELOCATE); |
4272 | #endif | |
2cace6ac NC |
4273 | |
4274 | if (!PL_tainting) { | |
4275 | #ifndef VMS | |
2cace6ac NC |
4276 | /* |
4277 | * It isn't possible to delete an environment variable with | |
4278 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4279 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4280 | */ | |
4281 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4282 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4283 | #else |
32910c7a | 4284 | if (perl5lib) |
2cace6ac | 4285 | #endif |
32910c7a NC |
4286 | incpush_use_sep(perl5lib, 0, |
4287 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4288 | #else /* VMS */ |
4289 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4290 | * "natural" VMS idiom for a Unix path string. We allow each | |
4291 | * element to be a set of |-separated directories for compatibility. | |
4292 | */ | |
4293 | char buf[256]; | |
4294 | int idx = 0; | |
4295 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4296 | do { | |
be71fc8f NC |
4297 | incpush_use_sep(buf, 0, |
4298 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4299 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4300 | #endif /* VMS */ | |
a26c0e28 | 4301 | } |
2cace6ac NC |
4302 | |
4303 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4304 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4305 | */ |
4306 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4307 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4308 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4309 | #endif |
4310 | ||
2cace6ac NC |
4311 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4312 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4313 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4314 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4315 | #endif |
4316 | ||
4317 | ||
4318 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4319 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4320 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4321 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4322 | #endif |
4323 | ||
4324 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4325 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4326 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4327 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4328 | #endif |
b0e687f7 | 4329 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4330 | |
2cace6ac | 4331 | if (!PL_tainting) |
55b4bc1c | 4332 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4333 | } |
4334 | ||
a0fd4948 | 4335 | #if defined(DOSISH) || defined(EPOC) || defined(__SYMBIAN32__) |
774d564b | 4336 | # define PERLLIB_SEP ';' |
4337 | #else | |
4338 | # if defined(VMS) | |
4339 | # define PERLLIB_SEP '|' | |
4340 | # else | |
e37778c2 | 4341 | # define PERLLIB_SEP ':' |
774d564b | 4342 | # endif |
4343 | #endif | |
4344 | #ifndef PERLLIB_MANGLE | |
4345 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4346 | #endif |
774d564b | 4347 | |
59d6f6a4 | 4348 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4349 | /* Push a directory onto @INC if it exists. |
4350 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4351 | onto @INC */ | |
4352 | STATIC SV * | |
7ffdaae6 | 4353 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4354 | { |
97aff369 | 4355 | dVAR; |
ad17a1ae | 4356 | Stat_t tmpstatbuf; |
7918f24d NC |
4357 | |
4358 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4359 | ||
848ef955 | 4360 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4361 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4362 | av_push(av, dir); |
7ffdaae6 NC |
4363 | dir = newSVsv(stem); |
4364 | } else { | |
4365 | /* Truncate dir back to stem. */ | |
4366 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4367 | } |
4368 | return dir; | |
4369 | } | |
59d6f6a4 | 4370 | #endif |
ad17a1ae | 4371 | |
76e3520e | 4372 | STATIC void |
55b4bc1c | 4373 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) |
774d564b | 4374 | { |
97aff369 | 4375 | dVAR; |
59d6f6a4 | 4376 | #ifndef PERL_IS_MINIPERL |
7fc73107 | 4377 | const U8 using_sub_dirs |
1e3208d8 NC |
4378 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS |
4379 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4380 | const U8 add_versioned_sub_dirs | |
4381 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4382 | const U8 add_archonly_sub_dirs | |
4383 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
6df20272 | 4384 | #ifdef PERL_INC_VERSION_LIST |
6434436b | 4385 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; |
6df20272 | 4386 | #endif |
59d6f6a4 | 4387 | #endif |
6434436b NC |
4388 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
4389 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
a26c0e28 | 4390 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; |
08d0d8ab | 4391 | AV *const inc = GvAVn(PL_incgv); |
774d564b | 4392 | |
08d0d8ab NC |
4393 | PERL_ARGS_ASSERT_INCPUSH; |
4394 | assert(len > 0); | |
3a9a9ba7 | 4395 | |
08d0d8ab NC |
4396 | /* Could remove this vestigial extra block, if we don't mind a lot of |
4397 | re-indenting diff noise. */ | |
55b4bc1c NC |
4398 | { |
4399 | SV *libdir; | |
3a9a9ba7 NC |
4400 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4401 | arranged to unshift #! line -I onto the front of @INC. However, | |
4402 | -I can add version and architecture specific libraries, and they | |
4403 | need to go first. The old code assumed that it was always | |
4404 | pushing. Hence to make it work, need to push the architecture | |
4405 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4406 | the front of @INC. */ | |
59d6f6a4 | 4407 | #ifndef PERL_IS_MINIPERL |
7fc73107 | 4408 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; |
59d6f6a4 | 4409 | #endif |
774d564b | 4410 | |
55b4bc1c NC |
4411 | if (len) { |
4412 | /* I am not convinced that this is valid when PERLLIB_MANGLE is | |
4413 | defined to so something (in os2/os2.c), but the code has been | |
4414 | this way, ignoring any possible changed of length, since | |
4415 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4416 | it be. */ | |
4417 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
4418 | } else { | |
4419 | libdir = newSVpv(PERLLIB_MANGLE(dir, 0), 0); | |
774d564b | 4420 | } |
4421 | ||
81600524 CB |
4422 | #ifdef VMS |
4423 | char *unix; | |
4424 | STRLEN len; | |
4425 | ||
4426 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4427 | len = strlen(unix); | |
4428 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4429 | sv_usepvn(libdir,unix,len); | |
4430 | } | |
4431 | else | |
4432 | PerlIO_printf(Perl_error_log, | |
4433 | "Failed to unixify @INC element \"%s\"\n", | |
4434 | SvPV(libdir,len)); | |
4435 | #endif | |
4436 | ||
dd374669 AL |
4437 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4438 | parameter. */ | |
4439 | if (canrelocate) { | |
88fe16b2 NC |
4440 | #ifdef PERL_RELOCATABLE_INC |
4441 | /* | |
4442 | * Relocatable include entries are marked with a leading .../ | |
4443 | * | |
4444 | * The algorithm is | |
4445 | * 0: Remove that leading ".../" | |
4446 | * 1: Remove trailing executable name (anything after the last '/') | |
4447 | * from the perl path to give a perl prefix | |
4448 | * Then | |
4449 | * While the @INC element starts "../" and the prefix ends with a real | |
4450 | * directory (ie not . or ..) chop that real directory off the prefix | |
4451 | * and the leading "../" from the @INC element. ie a logical "../" | |
4452 | * cleanup | |
4453 | * Finally concatenate the prefix and the remainder of the @INC element | |
4454 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4455 | * generates /usr/local/lib/perl5 | |
4456 | */ | |
890ce7af | 4457 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4458 | STRLEN libpath_len = SvCUR(libdir); |
4459 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4460 | /* Game on! */ | |
890ce7af | 4461 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4462 | /* Going to use the SV just as a scratch buffer holding a C |
4463 | string: */ | |
4464 | SV *prefix_sv; | |
4465 | char *prefix; | |
4466 | char *lastslash; | |
4467 | ||
4468 | /* $^X is *the* source of taint if tainting is on, hence | |
4469 | SvPOK() won't be true. */ | |
4470 | assert(caret_X); | |
4471 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4472 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4473 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4474 | /* Firstly take off the leading .../ |
4475 | If all else fail we'll do the paths relative to the current | |
4476 | directory. */ | |
4477 | sv_chop(libdir, libpath + 4); | |
4478 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4479 | mortal copies that the mg_get of tainting creates, and | |
4480 | corruption that seems to come via the save stack. | |
4481 | I guess that the save stack isn't correctly set up yet. */ | |
4482 | libpath = SvPVX(libdir); | |
4483 | libpath_len = SvCUR(libdir); | |
4484 | ||
4485 | /* This would work more efficiently with memrchr, but as it's | |
4486 | only a GNU extension we'd need to probe for it and | |
4487 | implement our own. Not hard, but maybe not worth it? */ | |
4488 | ||
4489 | prefix = SvPVX(prefix_sv); | |
4490 | lastslash = strrchr(prefix, '/'); | |
4491 | ||
4492 | /* First time in with the *lastslash = '\0' we just wipe off | |
4493 | the trailing /perl from (say) /usr/foo/bin/perl | |
4494 | */ | |
4495 | if (lastslash) { | |
4496 | SV *tempsv; | |
4497 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4498 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4499 | && (lastslash = strrchr(prefix, '/')))) { | |
4500 | if (lastslash[1] == '\0' | |
4501 | || (lastslash[1] == '.' | |
4502 | && (lastslash[2] == '/' /* ends "/." */ | |
4503 | || (lastslash[2] == '/' | |
4504 | && lastslash[3] == '/' /* or "/.." */ | |
4505 | )))) { | |
4506 | /* Prefix ends "/" or "/." or "/..", any of which | |
4507 | are fishy, so don't do any more logical cleanup. | |
4508 | */ | |
4509 | break; | |
4510 | } | |
4511 | /* Remove leading "../" from path */ | |
4512 | libpath += 3; | |
4513 | libpath_len -= 3; | |
4514 | /* Next iteration round the loop removes the last | |
4515 | directory name from prefix by writing a '\0' in | |
4516 | the while clause. */ | |
4517 | } | |
4518 | /* prefix has been terminated with a '\0' to the correct | |
4519 | length. libpath points somewhere into the libdir SV. | |
4520 | We need to join the 2 with '/' and drop the result into | |
4521 | libdir. */ | |
4522 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4523 | SvREFCNT_dec(libdir); | |
4524 | /* And this is the new libdir. */ | |
4525 | libdir = tempsv; | |
4526 | if (PL_tainting && | |
4527 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
486ec47a | 4528 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4529 | SvTAINTED_on(libdir); |
4530 | } | |
4531 | } | |
4532 | SvREFCNT_dec(prefix_sv); | |
4533 | } | |
88fe16b2 | 4534 | #endif |
dd374669 | 4535 | } |
59d6f6a4 | 4536 | #ifndef PERL_IS_MINIPERL |
774d564b | 4537 | /* |
4538 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4539 | * archname-specific sub-directories. | |
4540 | */ | |
ee80e7be | 4541 | if (using_sub_dirs) { |
7ffdaae6 | 4542 | SV *subdir; |
29d82f8d | 4543 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4544 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4545 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4546 | const char * const *incver; | |
29d82f8d | 4547 | #endif |
7ffdaae6 NC |
4548 | subdir = newSVsv(libdir); |
4549 | ||
1e3208d8 | 4550 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4551 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4552 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4553 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4554 | |
9c8a64f0 | 4555 | /* .../version if -d .../version */ |
e51b748d | 4556 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4557 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4558 | } |
9c8a64f0 | 4559 | |
9c8a64f0 | 4560 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4561 | if (addoldvers) { |
9c8a64f0 GS |
4562 | for (incver = incverlist; *incver; incver++) { |
4563 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4564 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4565 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4566 | } |
4567 | } | |
29d82f8d | 4568 | #endif |
c992324b | 4569 | |
1e3208d8 | 4570 | if (add_archonly_sub_dirs) { |
c992324b | 4571 | /* .../archname if -d .../archname */ |
e51b748d | 4572 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4573 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4574 | |
4575 | } | |
10cc20f6 NC |
4576 | |
4577 | assert (SvREFCNT(subdir) == 1); | |
4578 | SvREFCNT_dec(subdir); | |
774d564b | 4579 | } |
59d6f6a4 | 4580 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4581 | /* finally add this lib directory at the end of @INC */ |
4582 | if (unshift) { | |
76895e89 NC |
4583 | #ifdef PERL_IS_MINIPERL |
4584 | const U32 extra = 0; | |
4585 | #else | |
3a9a9ba7 | 4586 | U32 extra = av_len(av) + 1; |
76895e89 | 4587 | #endif |
a26c0e28 NC |
4588 | av_unshift(inc, extra + push_basedir); |
4589 | if (push_basedir) | |
4590 | av_store(inc, extra, libdir); | |
76895e89 | 4591 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4592 | while (extra--) { |
4593 | /* av owns a reference, av_store() expects to be donated a | |
4594 | reference, and av expects to be sane when it's cleared. | |
4595 | If I wanted to be naughty and wrong, I could peek inside the | |
4596 | implementation of av_clear(), realise that it uses | |
4597 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4598 | and so directly steal from it (with a memcpy() to inc, and | |
4599 | then memset() to NULL them out. But people copy code from the | |
4600 | core expecting it to be best practise, so let's use the API. | |
4601 | Although studious readers will note that I'm not checking any | |
4602 | return codes. */ | |
4603 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4604 | } | |
4605 | SvREFCNT_dec(av); | |
59d6f6a4 | 4606 | #endif |
20189146 | 4607 | } |
a26c0e28 | 4608 | else if (push_basedir) { |
3a9a9ba7 | 4609 | av_push(inc, libdir); |
20189146 | 4610 | } |
a26c0e28 NC |
4611 | |
4612 | if (!push_basedir) { | |
4613 | assert (SvREFCNT(libdir) == 1); | |
4614 | SvREFCNT_dec(libdir); | |
4615 | } | |
774d564b | 4616 | } |
34de22dd | 4617 | } |
93a17b20 | 4618 | |
55b4bc1c | 4619 | STATIC void |
50d61629 | 4620 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4621 | { |
50d61629 NC |
4622 | const char *s; |
4623 | const char *end; | |
55b4bc1c NC |
4624 | /* This logic has been broken out from S_incpush(). It may be possible to |
4625 | simplify it. */ | |
4626 | ||
4705144d NC |
4627 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4628 | ||
f31c6eed JD |
4629 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4630 | * argument to incpush_use_sep. This allows creation of relocatable | |
4631 | * Perl distributions that patch the binary at install time. Those | |
4632 | * distributions will have to provide their own relocation tools; this | |
4633 | * is not a feature otherwise supported by core Perl. | |
4634 | */ | |
4635 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4636 | if (!len) |
f31c6eed | 4637 | #endif |
50d61629 NC |
4638 | len = strlen(p); |
4639 | ||
4640 | end = p + len; | |
4641 | ||
55b4bc1c | 4642 | /* Break at all separators */ |
e42f52dd | 4643 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4644 | if (s == p) { |
4645 | /* skip any consecutive separators */ | |
55b4bc1c | 4646 | |
55b4bc1c | 4647 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4648 | /* But you'll need to write tests */ |
55b4bc1c | 4649 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4650 | } else { |
55b4bc1c | 4651 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4652 | } |
50d61629 | 4653 | p = s + 1; |
55b4bc1c | 4654 | } |
50d61629 NC |
4655 | if (p != end) |
4656 | incpush(p, (STRLEN)(end - p), flags); | |
4657 | ||
55b4bc1c | 4658 | } |
199100c8 | 4659 | |
93a17b20 | 4660 | void |
864dbfa3 | 4661 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4662 | { |
27da23d5 | 4663 | dVAR; |
971a9dd3 | 4664 | SV *atsv; |
5f40764f | 4665 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4666 | CV *cv; |
22921e25 | 4667 | STRLEN len; |
6224f72b | 4668 | int ret; |
db36c5a1 | 4669 | dJMPENV; |
93a17b20 | 4670 | |
7918f24d NC |
4671 | PERL_ARGS_ASSERT_CALL_LIST; |
4672 | ||
e1ec3a88 | 4673 | while (av_len(paramList) >= 0) { |
ea726b52 | 4674 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4675 | if (PL_savebegin) { |
4676 | if (paramList == PL_beginav) { | |
059a8bb7 | 4677 | /* save PL_beginav for compiler */ |
ad64d0ec | 4678 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4679 | } |
4680 | else if (paramList == PL_checkav) { | |
4681 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4682 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4683 | } |
3c10abe3 AG |
4684 | else if (paramList == PL_unitcheckav) { |
4685 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4686 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4687 | } |
059a8bb7 | 4688 | } else { |
81d86705 NC |
4689 | if (!PL_madskills) |
4690 | SAVEFREESV(cv); | |
059a8bb7 | 4691 | } |
14dd3ad8 | 4692 | JMPENV_PUSH(ret); |
6224f72b | 4693 | switch (ret) { |
312caa8e | 4694 | case 0: |
81d86705 NC |
4695 | #ifdef PERL_MAD |
4696 | if (PL_madskills) | |
4697 | PL_madskills |= 16384; | |
4698 | #endif | |
d6f07c05 | 4699 | CALL_LIST_BODY(cv); |
81d86705 NC |
4700 | #ifdef PERL_MAD |
4701 | if (PL_madskills) | |
4702 | PL_madskills &= ~16384; | |
4703 | #endif | |
971a9dd3 | 4704 | atsv = ERRSV; |
10516c54 | 4705 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4706 | if (len) { |
4707 | PL_curcop = &PL_compiling; | |
57843af0 | 4708 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4709 | if (paramList == PL_beginav) |
396482e1 | 4710 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4711 | else |
4f25aa18 GS |
4712 | Perl_sv_catpvf(aTHX_ atsv, |
4713 | "%s failed--call queue aborted", | |
7d30b5c4 | 4714 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4715 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4716 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4717 | : "END"); |
312caa8e CS |
4718 | while (PL_scopestack_ix > oldscope) |
4719 | LEAVE; | |
14dd3ad8 | 4720 | JMPENV_POP; |
be2597df | 4721 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4722 | } |
85e6fe83 | 4723 | break; |
6224f72b | 4724 | case 1: |
f86702cc | 4725 | STATUS_ALL_FAILURE; |
85e6fe83 | 4726 | /* FALL THROUGH */ |
6224f72b | 4727 | case 2: |
85e6fe83 | 4728 | /* my_exit() was called */ |
3280af22 | 4729 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4730 | LEAVE; |
84902520 | 4731 | FREETMPS; |
3280af22 | 4732 | PL_curstash = PL_defstash; |
3280af22 | 4733 | PL_curcop = &PL_compiling; |
57843af0 | 4734 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4735 | JMPENV_POP; |
f86702cc | 4736 | my_exit_jump(); |
85e6fe83 | 4737 | /* NOTREACHED */ |
6224f72b | 4738 | case 3: |
312caa8e CS |
4739 | if (PL_restartop) { |
4740 | PL_curcop = &PL_compiling; | |
57843af0 | 4741 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4742 | JMPENV_JUMP(3); |
85e6fe83 | 4743 | } |
bf49b057 | 4744 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4745 | FREETMPS; |
4746 | break; | |
8990e307 | 4747 | } |
14dd3ad8 | 4748 | JMPENV_POP; |
93a17b20 | 4749 | } |
93a17b20 | 4750 | } |
93a17b20 | 4751 | |
f86702cc | 4752 | void |
864dbfa3 | 4753 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4754 | { |
97aff369 | 4755 | dVAR; |
f86702cc | 4756 | switch (status) { |
4757 | case 0: | |
4758 | STATUS_ALL_SUCCESS; | |
4759 | break; | |
4760 | case 1: | |
4761 | STATUS_ALL_FAILURE; | |
4762 | break; | |
4763 | default: | |
6ac6a52b | 4764 | STATUS_EXIT_SET(status); |
f86702cc | 4765 | break; |
4766 | } | |
4767 | my_exit_jump(); | |
4768 | } | |
4769 | ||
4770 | void | |
864dbfa3 | 4771 | Perl_my_failure_exit(pTHX) |
f86702cc | 4772 | { |
97aff369 | 4773 | dVAR; |
f86702cc | 4774 | #ifdef VMS |
fb38d079 JM |
4775 | /* We have been called to fall on our sword. The desired exit code |
4776 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
4777 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
4778 | * that code is set. | |
fb38d079 JM |
4779 | * |
4780 | * If an error code has not been set, then force the issue. | |
4781 | */ | |
0968cdad JM |
4782 | if (MY_POSIX_EXIT) { |
4783 | ||
e08e1e1d JM |
4784 | /* According to the die_exit.t tests, if errno is non-zero */ |
4785 | /* It should be used for the error status. */ | |
0968cdad | 4786 | |
e08e1e1d JM |
4787 | if (errno == EVMSERR) { |
4788 | STATUS_NATIVE = vaxc$errno; | |
4789 | } else { | |
0968cdad | 4790 | |
e08e1e1d JM |
4791 | /* According to die_exit.t tests, if the child_exit code is */ |
4792 | /* also zero, then we need to exit with a code of 255 */ | |
4793 | if ((errno != 0) && (errno < 256)) | |
4794 | STATUS_UNIX_EXIT_SET(errno); | |
4795 | else if (STATUS_UNIX < 255) { | |
0968cdad | 4796 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
4797 | } |
4798 | ||
0968cdad | 4799 | } |
e08e1e1d JM |
4800 | |
4801 | /* The exit code could have been set by $? or vmsish which | |
4802 | * means that it may not have fatal set. So convert | |
4803 | * success/warning codes to fatal with out changing | |
4804 | * the POSIX status code. The severity makes VMS native | |
4805 | * status handling work, while UNIX mode programs use the | |
4806 | * the POSIX exit codes. | |
4807 | */ | |
4808 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
4809 | STATUS_NATIVE &= STS$M_COND_ID; | |
4810 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
4811 | } | |
0968cdad JM |
4812 | } |
4813 | else { | |
4814 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
4815 | if (vaxc$errno & 1) { | |
4816 | ||
4817 | /* So force success status to failure */ | |
4818 | if (STATUS_NATIVE & 1) | |
4819 | STATUS_ALL_FAILURE; | |
4820 | } | |
4821 | else { | |
4822 | if (!vaxc$errno) { | |
4823 | STATUS_UNIX = EINTR; /* In case something cares */ | |
4824 | STATUS_ALL_FAILURE; | |
4825 | } | |
4826 | else { | |
4827 | int severity; | |
4828 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
4829 | ||
4830 | /* Encode the severity code */ | |
4831 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
4832 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
4833 | ||
4834 | /* Perl expects this to be a fatal error */ | |
4835 | if (severity != STS$K_SEVERE) | |
4836 | STATUS_ALL_FAILURE; | |
4837 | } | |
4838 | } | |
4839 | } | |
fb38d079 | 4840 | |
f86702cc | 4841 | #else |
9b599b2a | 4842 | int exitstatus; |
f86702cc | 4843 | if (errno & 255) |
e5218da5 | 4844 | STATUS_UNIX_SET(errno); |
9b599b2a | 4845 | else { |
e5218da5 | 4846 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 4847 | if (exitstatus & 255) |
e5218da5 | 4848 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 4849 | else |
e5218da5 | 4850 | STATUS_UNIX_SET(255); |
9b599b2a | 4851 | } |
f86702cc | 4852 | #endif |
4853 | my_exit_jump(); | |
93a17b20 LW |
4854 | } |
4855 | ||
76e3520e | 4856 | STATIC void |
cea2e8a9 | 4857 | S_my_exit_jump(pTHX) |
f86702cc | 4858 | { |
27da23d5 | 4859 | dVAR; |
f86702cc | 4860 | |
3280af22 NIS |
4861 | if (PL_e_script) { |
4862 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 4863 | PL_e_script = NULL; |
f86702cc | 4864 | } |
4865 | ||
3280af22 | 4866 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
4867 | dounwind(-1); |
4868 | LEAVE_SCOPE(0); | |
ff0cee69 | 4869 | |
6224f72b | 4870 | JMPENV_JUMP(2); |
f86702cc | 4871 | } |
873ef191 | 4872 | |
0cb96387 | 4873 | static I32 |
acfe0abc | 4874 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 4875 | { |
97aff369 | 4876 | dVAR; |
9d4ba2ae AL |
4877 | const char * const p = SvPVX_const(PL_e_script); |
4878 | const char *nl = strchr(p, '\n'); | |
4879 | ||
4880 | PERL_UNUSED_ARG(idx); | |
4881 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 4882 | |
3280af22 | 4883 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4884 | if (nl-p == 0) { |
0cb96387 | 4885 | filter_del(read_e_script); |
873ef191 | 4886 | return 0; |
7dfe3f66 | 4887 | } |
873ef191 | 4888 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4889 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4890 | return 1; |
4891 | } | |
66610fdd RGS |
4892 | |
4893 | /* | |
4894 | * Local variables: | |
4895 | * c-indentation-style: bsd | |
4896 | * c-basic-offset: 4 | |
4897 | * indent-tabs-mode: t | |
4898 | * End: | |
4899 | * | |
37442d52 RGS |
4900 | * ex: set ts=8 sts=4 sw=4 noet: |
4901 | */ |