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 |
2eee27d7 | 5 | * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
010d7370 | 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 | ||
c44493f1 | 27 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
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 | ||
2982a345 NC |
41 | #ifdef USE_KERN_PROC_PATHNAME |
42 | # include <sys/sysctl.h> | |
43 | #endif | |
44 | ||
2aa47728 | 45 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
46 | # ifdef I_SYSUIO |
47 | # include <sys/uio.h> | |
48 | # endif | |
49 | ||
50 | union control_un { | |
51 | struct cmsghdr cm; | |
52 | char control[CMSG_SPACE(sizeof(int))]; | |
53 | }; | |
54 | ||
2aa47728 NC |
55 | #endif |
56 | ||
5311654c JH |
57 | #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 |
b24bc095 | 72 | # define validate_suid(rsfp) NOOP |
cc69b689 | 73 | #else |
b24bc095 | 74 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 75 | #endif |
8d063cd8 | 76 | |
d6f07c05 AL |
77 | #define CALL_BODY_SUB(myop) \ |
78 | if (PL_op == (myop)) \ | |
139d0ce6 | 79 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
80 | if (PL_op) \ |
81 | CALLRUNOPS(aTHX); | |
82 | ||
83 | #define CALL_LIST_BODY(cv) \ | |
84 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 85 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 86 | |
e6827a76 | 87 | static void |
daa7d858 | 88 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 89 | { |
27da23d5 | 90 | dVAR; |
e6827a76 NC |
91 | if (!PL_curinterp) { |
92 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 93 | #if defined(USE_ITHREADS) |
e6827a76 NC |
94 | INIT_THREADS; |
95 | ALLOC_THREAD_KEY; | |
96 | PERL_SET_THX(my_perl); | |
97 | OP_REFCNT_INIT; | |
e8570548 | 98 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 99 | HINTS_REFCNT_INIT; |
e6827a76 | 100 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
101 | MUTEX_INIT(&PL_my_ctx_mutex); |
102 | # endif | |
e6827a76 | 103 | } |
c0bce9aa NC |
104 | #if defined(USE_ITHREADS) |
105 | else | |
106 | #else | |
107 | /* This always happens for non-ithreads */ | |
108 | #endif | |
109 | { | |
e6827a76 NC |
110 | PERL_SET_THX(my_perl); |
111 | } | |
112 | } | |
06d86050 | 113 | |
cbec8ebe DM |
114 | |
115 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
116 | ||
117 | void | |
118 | Perl_sys_init(int* argc, char*** argv) | |
119 | { | |
4fc0badb | 120 | dVAR; |
7918f24d NC |
121 | |
122 | PERL_ARGS_ASSERT_SYS_INIT; | |
123 | ||
cbec8ebe DM |
124 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
125 | PERL_UNUSED_ARG(argv); | |
126 | PERL_SYS_INIT_BODY(argc, argv); | |
127 | } | |
128 | ||
129 | void | |
130 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
131 | { | |
4fc0badb | 132 | dVAR; |
7918f24d NC |
133 | |
134 | PERL_ARGS_ASSERT_SYS_INIT3; | |
135 | ||
cbec8ebe DM |
136 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
137 | PERL_UNUSED_ARG(argv); | |
138 | PERL_UNUSED_ARG(env); | |
139 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
140 | } | |
141 | ||
142 | void | |
d0820ef1 | 143 | Perl_sys_term() |
cbec8ebe | 144 | { |
4fc0badb | 145 | dVAR; |
bf81751b DM |
146 | if (!PL_veto_cleanup) { |
147 | PERL_SYS_TERM_BODY(); | |
148 | } | |
cbec8ebe DM |
149 | } |
150 | ||
151 | ||
32e30700 GS |
152 | #ifdef PERL_IMPLICIT_SYS |
153 | PerlInterpreter * | |
7766f137 GS |
154 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
155 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
156 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
157 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
158 | struct IPerlProc* ipP) | |
159 | { | |
160 | PerlInterpreter *my_perl; | |
7918f24d NC |
161 | |
162 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
163 | ||
9f653bb5 | 164 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 165 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 166 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
167 | Zero(my_perl, 1, PerlInterpreter); |
168 | PL_Mem = ipM; | |
7766f137 GS |
169 | PL_MemShared = ipMS; |
170 | PL_MemParse = ipMP; | |
32e30700 GS |
171 | PL_Env = ipE; |
172 | PL_StdIO = ipStd; | |
173 | PL_LIO = ipLIO; | |
174 | PL_Dir = ipD; | |
175 | PL_Sock = ipS; | |
176 | PL_Proc = ipP; | |
7cb608b5 | 177 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 178 | |
32e30700 GS |
179 | return my_perl; |
180 | } | |
181 | #else | |
954c1994 GS |
182 | |
183 | /* | |
ccfc67b7 JH |
184 | =head1 Embedding Functions |
185 | ||
954c1994 GS |
186 | =for apidoc perl_alloc |
187 | ||
188 | Allocates a new Perl interpreter. See L<perlembed>. | |
189 | ||
190 | =cut | |
191 | */ | |
192 | ||
93a17b20 | 193 | PerlInterpreter * |
cea2e8a9 | 194 | perl_alloc(void) |
79072805 | 195 | { |
cea2e8a9 | 196 | PerlInterpreter *my_perl; |
79072805 | 197 | |
9f653bb5 | 198 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 199 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 200 | |
e6827a76 | 201 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 202 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 203 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
204 | #else |
205 | Zero(my_perl, 1, PerlInterpreter); | |
206 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
207 | return my_perl; | |
208 | #endif | |
79072805 | 209 | } |
32e30700 | 210 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 211 | |
954c1994 GS |
212 | /* |
213 | =for apidoc perl_construct | |
214 | ||
215 | Initializes a new Perl interpreter. See L<perlembed>. | |
216 | ||
217 | =cut | |
218 | */ | |
219 | ||
79072805 | 220 | void |
0cb96387 | 221 | perl_construct(pTHXx) |
79072805 | 222 | { |
27da23d5 | 223 | dVAR; |
7918f24d NC |
224 | |
225 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
226 | ||
8990e307 | 227 | #ifdef MULTIPLICITY |
54aff467 | 228 | init_interp(); |
ac27b0f5 | 229 | PL_perl_destruct_level = 1; |
54aff467 | 230 | #else |
7918f24d | 231 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
232 | if (PL_perl_destruct_level > 0) |
233 | init_interp(); | |
234 | #endif | |
34caed6d DM |
235 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
236 | ||
75d476e2 S |
237 | #ifdef PERL_TRACE_OPS |
238 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
239 | #endif | |
240 | ||
0d96b528 | 241 | init_constants(); |
34caed6d DM |
242 | |
243 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 244 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
245 | |
246 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 247 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 248 | PL_pidstatus = newHV(); |
ca0c25f6 | 249 | #endif |
79072805 | 250 | |
396482e1 | 251 | PL_rs = newSVpvs("\n"); |
dc92893f | 252 | |
cea2e8a9 | 253 | init_stacks(); |
79072805 | 254 | |
748a9306 | 255 | init_ids(); |
a5f75d66 | 256 | |
312caa8e | 257 | JMPENV_BOOTSTRAP; |
f86702cc | 258 | STATUS_ALL_SUCCESS; |
259 | ||
0672f40e | 260 | init_i18nl10n(1); |
36477c24 | 261 | SET_NUMERIC_STANDARD(); |
0b5b802d | 262 | |
ab821d7f | 263 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 264 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 265 | #endif |
266 | ||
52853b95 GS |
267 | #ifdef HAVE_INTERP_INTERN |
268 | sys_intern_init(); | |
269 | #endif | |
270 | ||
3a1ee7e8 | 271 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 272 | |
3280af22 NIS |
273 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
274 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 275 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
276 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
277 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
278 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 279 | #ifdef USE_ITHREADS |
402d2eb1 NC |
280 | /* First entry is a list of empty elements. It needs to be initialised |
281 | else all hell breaks loose in S_find_uninit_var(). */ | |
282 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 283 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 284 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 285 | #endif |
e5dd39fc | 286 | #ifdef USE_REENTRANT_API |
59bd0823 | 287 | Perl_reentrant_init(aTHX); |
e5dd39fc | 288 | #endif |
7dc86639 YO |
289 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
290 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
291 | * This MUST be done before any hash stores or fetches take place. | |
292 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
293 | * yourself, it is your responsibility to provide a good random seed! | |
294 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
295 | * | |
296 | * XXX: fix this comment */ | |
297 | if (PL_hash_seed_set == FALSE) { | |
298 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
299 | PL_hash_seed_set= TRUE; | |
300 | } | |
301 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
302 | |
303 | /* Note that strtab is a rather special HV. Assumptions are made | |
304 | about not iterating on it, and not adding tie magic to it. | |
305 | It is properly deallocated in perl_destruct() */ | |
306 | PL_strtab = newHV(); | |
307 | ||
3d47000e AB |
308 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
309 | hv_ksplit(PL_strtab, 512); | |
310 | ||
a38ab475 RZ |
311 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
312 | ||
0631ea03 AB |
313 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
314 | _dyld_lookup_and_bind | |
315 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
316 | #endif /* environ */ | |
317 | ||
2f42fcb0 JH |
318 | #ifndef PERL_MICRO |
319 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 320 | PL_origenviron = environ; |
2f42fcb0 | 321 | # endif |
0631ea03 AB |
322 | #endif |
323 | ||
5311654c | 324 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 325 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
326 | * The HZ if not originally defined has been by now |
327 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 328 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
329 | PL_clocktick = sysconf(_SC_CLK_TCK); |
330 | if (PL_clocktick <= 0) | |
331 | #endif | |
332 | PL_clocktick = HZ; | |
333 | ||
081fc587 AB |
334 | PL_stashcache = newHV(); |
335 | ||
e8e3635e | 336 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 337 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 338 | |
27da23d5 JH |
339 | #ifdef HAS_MMAP |
340 | if (!PL_mmap_page_size) { | |
341 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
342 | { | |
343 | SETERRNO(0, SS_NORMAL); | |
344 | # ifdef _SC_PAGESIZE | |
345 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
346 | # else | |
347 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
348 | # endif | |
349 | if ((long) PL_mmap_page_size < 0) { | |
350 | if (errno) { | |
44f8325f | 351 | SV * const error = ERRSV; |
d4c19fe8 | 352 | SvUPGRADE(error, SVt_PV); |
0510663f | 353 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
354 | } |
355 | else | |
356 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
357 | } | |
358 | } | |
359 | #else | |
360 | # ifdef HAS_GETPAGESIZE | |
361 | PL_mmap_page_size = getpagesize(); | |
362 | # else | |
363 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
364 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
365 | # endif | |
366 | # endif | |
367 | #endif | |
368 | if (PL_mmap_page_size <= 0) | |
369 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
370 | (IV) PL_mmap_page_size); | |
371 | } | |
372 | #endif /* HAS_MMAP */ | |
373 | ||
374 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
375 | PL_timesbase.tms_utime = 0; | |
376 | PL_timesbase.tms_stime = 0; | |
377 | PL_timesbase.tms_cutime = 0; | |
378 | PL_timesbase.tms_cstime = 0; | |
379 | #endif | |
380 | ||
7d113631 NC |
381 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
382 | ||
a3e6e81e | 383 | PL_registered_mros = newHV(); |
9e169432 NC |
384 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
385 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 386 | |
8990e307 | 387 | ENTER; |
79072805 LW |
388 | } |
389 | ||
954c1994 | 390 | /* |
62375a60 NIS |
391 | =for apidoc nothreadhook |
392 | ||
393 | Stub that provides thread hook for perl_destruct when there are | |
394 | no threads. | |
395 | ||
396 | =cut | |
397 | */ | |
398 | ||
399 | int | |
4e9e3734 | 400 | Perl_nothreadhook(pTHX) |
62375a60 | 401 | { |
96a5add6 | 402 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
403 | return 0; |
404 | } | |
405 | ||
41e4abd8 NC |
406 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
407 | void | |
408 | Perl_dump_sv_child(pTHX_ SV *sv) | |
409 | { | |
410 | ssize_t got; | |
bf357333 NC |
411 | const int sock = PL_dumper_fd; |
412 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
413 | union control_un control; |
414 | struct msghdr msg; | |
808ad2d0 | 415 | struct iovec vec[2]; |
bf357333 | 416 | struct cmsghdr *cmptr; |
808ad2d0 NC |
417 | int returned_errno; |
418 | unsigned char buffer[256]; | |
41e4abd8 | 419 | |
7918f24d NC |
420 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
421 | ||
bf357333 | 422 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
423 | return; |
424 | ||
425 | PerlIO_flush(Perl_debug_log); | |
426 | ||
bf357333 NC |
427 | /* All these shenanigans are to pass a file descriptor over to our child for |
428 | it to dump out to. We can't let it hold open the file descriptor when it | |
429 | forks, as the file descriptor it will dump to can turn out to be one end | |
430 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 431 | be open, the wait would be forever.) */ |
bf357333 NC |
432 | |
433 | msg.msg_control = control.control; | |
434 | msg.msg_controllen = sizeof(control.control); | |
435 | /* We're a connected socket so we don't need a destination */ | |
436 | msg.msg_name = NULL; | |
437 | msg.msg_namelen = 0; | |
438 | msg.msg_iov = vec; | |
808ad2d0 | 439 | msg.msg_iovlen = 1; |
bf357333 NC |
440 | |
441 | cmptr = CMSG_FIRSTHDR(&msg); | |
442 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
443 | cmptr->cmsg_level = SOL_SOCKET; | |
444 | cmptr->cmsg_type = SCM_RIGHTS; | |
445 | *((int *)CMSG_DATA(cmptr)) = 1; | |
446 | ||
447 | vec[0].iov_base = (void*)&sv; | |
448 | vec[0].iov_len = sizeof(sv); | |
449 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
450 | |
451 | if(got < 0) { | |
bf357333 | 452 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
453 | abort(); |
454 | } | |
bf357333 NC |
455 | if(got < sizeof(sv)) { |
456 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
457 | abort(); |
458 | } | |
459 | ||
808ad2d0 NC |
460 | /* Return protocol is |
461 | int: errno value | |
462 | unsigned char: length of location string (0 for empty) | |
463 | unsigned char*: string (not terminated) | |
464 | */ | |
465 | vec[0].iov_base = (void*)&returned_errno; | |
466 | vec[0].iov_len = sizeof(returned_errno); | |
467 | vec[1].iov_base = buffer; | |
468 | vec[1].iov_len = 1; | |
469 | ||
470 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
471 | |
472 | if(got < 0) { | |
473 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 474 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
475 | abort(); |
476 | } | |
808ad2d0 | 477 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 478 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 479 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
480 | abort(); |
481 | } | |
482 | ||
808ad2d0 NC |
483 | if (*buffer) { |
484 | got = read(sock, buffer + 1, *buffer); | |
485 | if(got < 0) { | |
486 | perror("Debug leaking scalars parent read 2 failed"); | |
487 | PerlIO_flush(PerlIO_stderr()); | |
488 | abort(); | |
489 | } | |
490 | ||
491 | if(got < *buffer) { | |
492 | perror("Debug leaking scalars parent short read 2"); | |
493 | PerlIO_flush(PerlIO_stderr()); | |
494 | abort(); | |
495 | } | |
496 | } | |
497 | ||
498 | if (returned_errno || *buffer) { | |
499 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
500 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 501 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
502 | } |
503 | } | |
504 | #endif | |
505 | ||
62375a60 | 506 | /* |
954c1994 GS |
507 | =for apidoc perl_destruct |
508 | ||
509 | Shuts down a Perl interpreter. See L<perlembed>. | |
510 | ||
511 | =cut | |
512 | */ | |
513 | ||
31d77e54 | 514 | int |
0cb96387 | 515 | perl_destruct(pTHXx) |
79072805 | 516 | { |
27da23d5 | 517 | dVAR; |
be2ea8ed | 518 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 519 | HV *hv; |
2aa47728 | 520 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
521 | pid_t child; |
522 | #endif | |
9c0b6888 | 523 | int i; |
8990e307 | 524 | |
7918f24d NC |
525 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
526 | #ifndef MULTIPLICITY | |
ed6c66dd | 527 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 528 | #endif |
9d4ba2ae | 529 | |
3d22c4f0 GG |
530 | assert(PL_scopestack_ix == 1); |
531 | ||
7766f137 GS |
532 | /* wait for all pseudo-forked children to finish */ |
533 | PERL_WAIT_FOR_CHILDREN; | |
534 | ||
3280af22 | 535 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 536 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 537 | { |
9d4ba2ae AL |
538 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
539 | if (s) { | |
36e77d41 DD |
540 | const int i = atoi(s); |
541 | #ifdef DEBUGGING | |
542 | if (destruct_level < i) destruct_level = i; | |
543 | #endif | |
544 | #ifdef PERL_TRACK_MEMPOOL | |
545 | /* RT #114496, for perl_free */ | |
546 | PL_perl_destruct_level = i; | |
547 | #endif | |
5f05dabc | 548 | } |
4633a7c4 LW |
549 | } |
550 | #endif | |
551 | ||
27da23d5 | 552 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
553 | dJMPENV; |
554 | int x = 0; | |
555 | ||
556 | JMPENV_PUSH(x); | |
1b6737cc | 557 | PERL_UNUSED_VAR(x); |
9ebf26ad | 558 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 559 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 560 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 561 | } |
f3faeb53 | 562 | JMPENV_POP; |
26f423df | 563 | } |
f3faeb53 | 564 | LEAVE; |
a0d0e21e | 565 | FREETMPS; |
3d22c4f0 | 566 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 567 | |
e00b64d4 | 568 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 569 | my_fflush_all(); |
e00b64d4 | 570 | |
75d476e2 S |
571 | #ifdef PERL_TRACE_OPS |
572 | /* If we traced all Perl OP usage, report and clean up */ | |
573 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); | |
574 | for (i = 0; i <= OP_max; ++i) { | |
575 | PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); | |
576 | PL_op_exec_cnt[i] = 0; | |
577 | } | |
578 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
579 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
580 | PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); | |
581 | PerlIO_printf(Perl_debug_log, "\n"); | |
582 | #endif | |
583 | ||
584 | ||
16c91539 | 585 | if (PL_threadhook(aTHX)) { |
62375a60 | 586 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 587 | PL_veto_cleanup = TRUE; |
37038d91 | 588 | return STATUS_EXIT; |
62375a60 NIS |
589 | } |
590 | ||
2aa47728 NC |
591 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
592 | if (destruct_level != 0) { | |
593 | /* Fork here to create a child. Our child's job is to preserve the | |
594 | state of scalars prior to destruction, so that we can instruct it | |
595 | to dump any scalars that we later find have leaked. | |
596 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
597 | fail gracefully */ | |
598 | int fd[2]; | |
599 | ||
600 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
601 | perror("Debug leaking scalars socketpair failed"); | |
602 | abort(); | |
603 | } | |
604 | ||
605 | child = fork(); | |
606 | if(child == -1) { | |
607 | perror("Debug leaking scalars fork failed"); | |
608 | abort(); | |
609 | } | |
610 | if (!child) { | |
611 | /* We are the child */ | |
3125a5a4 NC |
612 | const int sock = fd[1]; |
613 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
614 | int f; | |
808ad2d0 NC |
615 | const char *where; |
616 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 617 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 618 | |
2aa47728 | 619 | close(fd[0]); |
2aa47728 | 620 | |
3125a5a4 NC |
621 | /* We need to close all other file descriptors otherwise we end up |
622 | with interesting hangs, where the parent closes its end of a | |
623 | pipe, and sits waiting for (another) child to terminate. Only | |
624 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
625 | we also have the far end of the pipe open. We even need to |
626 | close the debugging fd, because sometimes it happens to be one | |
627 | end of a pipe, and a process is waiting on the other end for | |
628 | EOF. Normally it would be closed at some point earlier in | |
629 | destruction, but if we happen to cause the pipe to remain open, | |
630 | EOF never occurs, and we get an infinite hang. Hence all the | |
631 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
632 | |
633 | f = sysconf(_SC_OPEN_MAX); | |
634 | if(f < 0) { | |
808ad2d0 NC |
635 | where = "sysconf failed"; |
636 | goto abort; | |
3125a5a4 NC |
637 | } |
638 | while (f--) { | |
639 | if (f == sock) | |
640 | continue; | |
3125a5a4 NC |
641 | close(f); |
642 | } | |
643 | ||
2aa47728 NC |
644 | while (1) { |
645 | SV *target; | |
bf357333 NC |
646 | union control_un control; |
647 | struct msghdr msg; | |
648 | struct iovec vec[1]; | |
649 | struct cmsghdr *cmptr; | |
650 | ssize_t got; | |
651 | int got_fd; | |
652 | ||
653 | msg.msg_control = control.control; | |
654 | msg.msg_controllen = sizeof(control.control); | |
655 | /* We're a connected socket so we don't need a source */ | |
656 | msg.msg_name = NULL; | |
657 | msg.msg_namelen = 0; | |
658 | msg.msg_iov = vec; | |
659 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
660 | ||
661 | vec[0].iov_base = (void*)⌖ | |
662 | vec[0].iov_len = sizeof(target); | |
663 | ||
664 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
665 | |
666 | if(got == 0) | |
667 | break; | |
668 | if(got < 0) { | |
808ad2d0 NC |
669 | where = "recv failed"; |
670 | goto abort; | |
2aa47728 NC |
671 | } |
672 | if(got < sizeof(target)) { | |
808ad2d0 NC |
673 | where = "short recv"; |
674 | goto abort; | |
2aa47728 | 675 | } |
bf357333 | 676 | |
808ad2d0 NC |
677 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
678 | where = "no cmsg"; | |
679 | goto abort; | |
680 | } | |
681 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
682 | where = "wrong cmsg_len"; | |
683 | goto abort; | |
684 | } | |
685 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
686 | where = "wrong cmsg_level"; | |
687 | goto abort; | |
688 | } | |
689 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
690 | where = "wrong cmsg_type"; | |
691 | goto abort; | |
692 | } | |
bf357333 NC |
693 | |
694 | got_fd = *(int*)CMSG_DATA(cmptr); | |
695 | /* For our last little bit of trickery, put the file descriptor | |
696 | back into Perl_debug_log, as if we never actually closed it | |
697 | */ | |
808ad2d0 NC |
698 | if(got_fd != debug_fd) { |
699 | if (dup2(got_fd, debug_fd) == -1) { | |
700 | where = "dup2"; | |
701 | goto abort; | |
702 | } | |
703 | } | |
2aa47728 | 704 | sv_dump(target); |
bf357333 | 705 | |
2aa47728 NC |
706 | PerlIO_flush(Perl_debug_log); |
707 | ||
808ad2d0 | 708 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
709 | |
710 | if(got < 0) { | |
808ad2d0 NC |
711 | where = "write failed"; |
712 | goto abort; | |
2aa47728 | 713 | } |
808ad2d0 NC |
714 | if(got < sizeof(success)) { |
715 | where = "short write"; | |
716 | goto abort; | |
2aa47728 NC |
717 | } |
718 | } | |
719 | _exit(0); | |
808ad2d0 NC |
720 | abort: |
721 | { | |
722 | int send_errno = errno; | |
723 | unsigned char length = (unsigned char) strlen(where); | |
724 | struct iovec failure[3] = { | |
725 | {(void*)&send_errno, sizeof(send_errno)}, | |
726 | {&length, 1}, | |
727 | {(void*)where, length} | |
728 | }; | |
729 | int got = writev(sock, failure, 3); | |
730 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
731 | in the parent if we try to read from the socketpair after the | |
732 | child has exited, even if there was data to read. | |
733 | So sleep a bit to give the parent a fighting chance of | |
734 | reading the data. */ | |
735 | sleep(2); | |
736 | _exit((got == -1) ? errno : 0); | |
737 | } | |
bf357333 | 738 | /* End of child. */ |
2aa47728 | 739 | } |
41e4abd8 | 740 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
741 | close(fd[1]); |
742 | } | |
743 | #endif | |
744 | ||
ff0cee69 | 745 | /* We must account for everything. */ |
746 | ||
747 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
748 | /* Set PL_curcop now, because destroying ops can cause new SVs |
749 | to be generated in Perl_pad_swipe, and when running with | |
750 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
751 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 752 | PL_curcop = &PL_compiling; |
3280af22 | 753 | if (PL_main_root) { |
4e380990 DM |
754 | /* ensure comppad/curpad to refer to main's pad */ |
755 | if (CvPADLIST(PL_main_cv)) { | |
756 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 757 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 758 | } |
3280af22 | 759 | op_free(PL_main_root); |
5f66b61c | 760 | PL_main_root = NULL; |
a0d0e21e | 761 | } |
5f66b61c | 762 | PL_main_start = NULL; |
aac9d523 DM |
763 | /* note that PL_main_cv isn't usually actually freed at this point, |
764 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
765 | * get freed once all the subs are freed in sv_clean_all(), for | |
766 | * destruct_level > 0 */ | |
3280af22 | 767 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 768 | PL_main_cv = NULL; |
ca7b837b | 769 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 770 | |
13621cfb NIS |
771 | /* Tell PerlIO we are about to tear things apart in case |
772 | we have layers which are using resources that should | |
773 | be cleaned up now. | |
774 | */ | |
775 | ||
776 | PerlIO_destruct(aTHX); | |
777 | ||
ddf23d4a S |
778 | /* |
779 | * Try to destruct global references. We do this first so that the | |
780 | * destructors and destructees still exist. Some sv's might remain. | |
781 | * Non-referenced objects are on their own. | |
782 | */ | |
783 | sv_clean_objs(); | |
8990e307 | 784 | |
5cd24f17 | 785 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 786 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 787 | PL_warnhook = NULL; |
3280af22 | 788 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 789 | PL_diehook = NULL; |
5cd24f17 | 790 | |
4b556e6c | 791 | /* call exit list functions */ |
3280af22 | 792 | while (PL_exitlistlen-- > 0) |
acfe0abc | 793 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 794 | |
3280af22 | 795 | Safefree(PL_exitlist); |
4b556e6c | 796 | |
1c4916e5 CB |
797 | PL_exitlist = NULL; |
798 | PL_exitlistlen = 0; | |
799 | ||
a3e6e81e NC |
800 | SvREFCNT_dec(PL_registered_mros); |
801 | ||
551a8b83 | 802 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
803 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
804 | * so we certainly shouldn't free it here | |
805 | */ | |
2f42fcb0 | 806 | #ifndef PERL_MICRO |
4b647fb0 | 807 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 808 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
809 | #ifdef USE_ITHREADS |
810 | /* only main thread can free environ[0] contents */ | |
811 | && PL_curinterp == aTHX | |
812 | #endif | |
813 | ) | |
814 | { | |
551a8b83 JH |
815 | I32 i; |
816 | ||
817 | for (i = 0; environ[i]; i++) | |
4b420006 | 818 | safesysfree(environ[i]); |
0631ea03 | 819 | |
4b420006 JH |
820 | /* Must use safesysfree() when working with environ. */ |
821 | safesysfree(environ); | |
551a8b83 JH |
822 | |
823 | environ = PL_origenviron; | |
824 | } | |
825 | #endif | |
2f42fcb0 | 826 | #endif /* !PERL_MICRO */ |
551a8b83 | 827 | |
30985c42 JH |
828 | if (destruct_level == 0) { |
829 | ||
830 | DEBUG_P(debprofdump()); | |
831 | ||
832 | #if defined(PERLIO_LAYERS) | |
833 | /* No more IO - including error messages ! */ | |
834 | PerlIO_cleanup(aTHX); | |
835 | #endif | |
836 | ||
837 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
838 | |
839 | /* The exit() function will do everything that needs doing. */ | |
840 | return STATUS_EXIT; | |
841 | } | |
842 | ||
9fa9f06b KW |
843 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
844 | ||
5f8cb046 DM |
845 | #ifdef USE_ITHREADS |
846 | /* the syntax tree is shared between clones | |
847 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
848 | * REGEXPs in the parent interpreter | |
849 | * we need to manually ReREFCNT_dec for the clones | |
850 | */ | |
0547a729 DM |
851 | { |
852 | I32 i = AvFILLp(PL_regex_padav); | |
853 | SV **ary = AvARRAY(PL_regex_padav); | |
854 | ||
855 | for (; i; i--) { | |
856 | SvREFCNT_dec(ary[i]); | |
857 | ary[i] = &PL_sv_undef; | |
858 | } | |
859 | } | |
5f8cb046 DM |
860 | #endif |
861 | ||
0547a729 | 862 | |
ad64d0ec | 863 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
864 | PL_stashcache = NULL; |
865 | ||
5f05dabc | 866 | /* loosen bonds of global variables */ |
867 | ||
2f9285f8 DM |
868 | /* XXX can PL_parser still be non-null here? */ |
869 | if(PL_parser && PL_parser->rsfp) { | |
870 | (void)PerlIO_close(PL_parser->rsfp); | |
871 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 872 | } |
873 | ||
84386e14 RGS |
874 | if (PL_minus_F) { |
875 | Safefree(PL_splitstr); | |
876 | PL_splitstr = NULL; | |
877 | } | |
878 | ||
8ebc5c01 | 879 | /* switches */ |
3280af22 NIS |
880 | PL_minus_n = FALSE; |
881 | PL_minus_p = FALSE; | |
882 | PL_minus_l = FALSE; | |
883 | PL_minus_a = FALSE; | |
884 | PL_minus_F = FALSE; | |
885 | PL_doswitches = FALSE; | |
599cee73 | 886 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 887 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 888 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 889 | #endif |
3280af22 NIS |
890 | PL_unsafe = FALSE; |
891 | ||
892 | Safefree(PL_inplace); | |
bd61b366 | 893 | PL_inplace = NULL; |
a7cb1f99 | 894 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 895 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
896 | |
897 | if (PL_e_script) { | |
898 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 899 | PL_e_script = NULL; |
8ebc5c01 | 900 | } |
901 | ||
bf9cdc68 RG |
902 | PL_perldb = 0; |
903 | ||
8ebc5c01 | 904 | /* magical thingies */ |
905 | ||
e23d9e2f CS |
906 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
907 | PL_ofsgv = NULL; | |
5f05dabc | 908 | |
7889fe52 | 909 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 910 | PL_ors_sv = NULL; |
8ebc5c01 | 911 | |
3280af22 | 912 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 913 | PL_rs = NULL; |
dc92893f | 914 | |
d33b2eba | 915 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 916 | PL_osname = NULL; |
5f05dabc | 917 | |
3280af22 | 918 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
919 | PL_statname = NULL; |
920 | PL_statgv = NULL; | |
5f05dabc | 921 | |
8ebc5c01 | 922 | /* defgv, aka *_ should be taken care of elsewhere */ |
923 | ||
7d5ea4e7 GS |
924 | /* float buffer */ |
925 | Safefree(PL_efloatbuf); | |
bd61b366 | 926 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
927 | PL_efloatsize = 0; |
928 | ||
8ebc5c01 | 929 | /* startup and shutdown function lists */ |
3280af22 | 930 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 931 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 932 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 933 | SvREFCNT_dec(PL_checkav); |
ece599bd | 934 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
935 | SvREFCNT_dec(PL_unitcheckav); |
936 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 937 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
938 | PL_beginav = NULL; |
939 | PL_beginav_save = NULL; | |
940 | PL_endav = NULL; | |
941 | PL_checkav = NULL; | |
942 | PL_checkav_save = NULL; | |
3c10abe3 AG |
943 | PL_unitcheckav = NULL; |
944 | PL_unitcheckav_save = NULL; | |
7d49f689 | 945 | PL_initav = NULL; |
5618dfe8 | 946 | |
8ebc5c01 | 947 | /* shortcuts just get cleared */ |
a0714e2c SS |
948 | PL_hintgv = NULL; |
949 | PL_errgv = NULL; | |
a0714e2c SS |
950 | PL_argvoutgv = NULL; |
951 | PL_stdingv = NULL; | |
952 | PL_stderrgv = NULL; | |
953 | PL_last_in_gv = NULL; | |
a0714e2c SS |
954 | PL_DBsingle = NULL; |
955 | PL_DBtrace = NULL; | |
956 | PL_DBsignal = NULL; | |
601f1833 | 957 | PL_DBcv = NULL; |
7d49f689 | 958 | PL_dbargs = NULL; |
5c284bb0 | 959 | PL_debstash = NULL; |
8ebc5c01 | 960 | |
cf93a474 | 961 | SvREFCNT_dec(PL_envgv); |
f03015cd | 962 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 963 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 964 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
965 | SvREFCNT_dec(PL_DBgv); |
966 | SvREFCNT_dec(PL_DBline); | |
967 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 968 | PL_envgv = NULL; |
f03015cd | 969 | PL_incgv = NULL; |
722fa0e9 | 970 | PL_argvgv = NULL; |
475b1e90 | 971 | PL_replgv = NULL; |
8cece913 FC |
972 | PL_DBgv = NULL; |
973 | PL_DBline = NULL; | |
974 | PL_DBsub = NULL; | |
975 | ||
7a1c5554 | 976 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 977 | PL_argvout_stack = NULL; |
8ebc5c01 | 978 | |
5c831c24 | 979 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 980 | PL_modglobal = NULL; |
5c831c24 | 981 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 982 | PL_preambleav = NULL; |
5c831c24 | 983 | SvREFCNT_dec(PL_subname); |
a0714e2c | 984 | PL_subname = NULL; |
ca0c25f6 | 985 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 986 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 987 | PL_pidstatus = NULL; |
ca0c25f6 | 988 | #endif |
5c831c24 | 989 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 990 | PL_toptarget = NULL; |
5c831c24 | 991 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
992 | PL_bodytarget = NULL; |
993 | PL_formtarget = NULL; | |
5c831c24 | 994 | |
d33b2eba | 995 | /* free locale stuff */ |
b9582b6a | 996 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 997 | Safefree(PL_collation_name); |
bd61b366 | 998 | PL_collation_name = NULL; |
b9582b6a | 999 | #endif |
d33b2eba | 1000 | |
b9582b6a | 1001 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1002 | Safefree(PL_numeric_name); |
bd61b366 | 1003 | PL_numeric_name = NULL; |
a453c169 | 1004 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1005 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1006 | #endif |
d33b2eba | 1007 | |
9c0b6888 KW |
1008 | /* clear character classes */ |
1009 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1010 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1011 | PL_utf8_swash_ptrs[i] = NULL; | |
1012 | } | |
5c831c24 GS |
1013 | SvREFCNT_dec(PL_utf8_mark); |
1014 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1015 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1016 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1017 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1018 | SvREFCNT_dec(PL_utf8_idstart); |
1019 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 1020 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b KW |
1021 | SvREFCNT_dec(PL_AboveLatin1); |
1022 | SvREFCNT_dec(PL_UpperLatin1); | |
1023 | SvREFCNT_dec(PL_Latin1); | |
1024 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1025 | SvREFCNT_dec(PL_HasMultiCharFold); | |
a0714e2c SS |
1026 | PL_utf8_mark = NULL; |
1027 | PL_utf8_toupper = NULL; | |
1028 | PL_utf8_totitle = NULL; | |
1029 | PL_utf8_tolower = NULL; | |
1030 | PL_utf8_tofold = NULL; | |
1031 | PL_utf8_idstart = NULL; | |
1032 | PL_utf8_idcont = NULL; | |
2726813d | 1033 | PL_utf8_foldclosures = NULL; |
9fa9f06b KW |
1034 | PL_AboveLatin1 = NULL; |
1035 | PL_HasMultiCharFold = NULL; | |
1036 | PL_Latin1 = NULL; | |
1037 | PL_NonL1NonFinalFold = NULL; | |
1038 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1039 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
30f9bdb0 KW |
1040 | SvREFCNT_dec(PL_Posix_ptrs[i]); |
1041 | PL_Posix_ptrs[i] = NULL; | |
1042 | ||
86f72d56 KW |
1043 | SvREFCNT_dec(PL_L1Posix_ptrs[i]); |
1044 | PL_L1Posix_ptrs[i] = NULL; | |
cac6e0ca KW |
1045 | |
1046 | SvREFCNT_dec(PL_XPosix_ptrs[i]); | |
1047 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1048 | } |
5c831c24 | 1049 | |
971a9dd3 | 1050 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1051 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1052 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1053 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1054 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1055 | CopFILE_free(&PL_compiling); |
5c831c24 | 1056 | |
a0d0e21e | 1057 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1058 | |
3280af22 | 1059 | hv = PL_defstash; |
ca556bcd DM |
1060 | /* break ref loop *:: <=> %:: */ |
1061 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1062 | PL_defstash = 0; |
a0d0e21e | 1063 | SvREFCNT_dec(hv); |
5c831c24 | 1064 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1065 | PL_curstname = NULL; |
a0d0e21e | 1066 | |
5a844595 GS |
1067 | /* clear queued errors */ |
1068 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1069 | PL_errors = NULL; |
5a844595 | 1070 | |
dd69841b BB |
1071 | SvREFCNT_dec(PL_isarev); |
1072 | ||
a0d0e21e | 1073 | FREETMPS; |
9b387841 | 1074 | if (destruct_level >= 2) { |
3280af22 | 1075 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1076 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1077 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1078 | (long)PL_scopestack_ix); | |
3280af22 | 1079 | if (PL_savestack_ix != 0) |
9b387841 NC |
1080 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1081 | "Unbalanced saves: %ld more saves than restores\n", | |
1082 | (long)PL_savestack_ix); | |
3280af22 | 1083 | if (PL_tmps_floor != -1) |
9b387841 NC |
1084 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1085 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1086 | if (cxstack_ix != -1) |
9b387841 NC |
1087 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1088 | (long)cxstack_ix + 1); | |
a0d0e21e | 1089 | } |
8990e307 | 1090 | |
0547a729 DM |
1091 | #ifdef USE_ITHREADS |
1092 | SvREFCNT_dec(PL_regex_padav); | |
1093 | PL_regex_padav = NULL; | |
1094 | PL_regex_pad = NULL; | |
1095 | #endif | |
1096 | ||
776df701 | 1097 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1098 | /* the entries in this list are allocated via SV PVX's, so get freed |
1099 | * in sv_clean_all */ | |
1100 | Safefree(PL_my_cxt_list); | |
776df701 | 1101 | #endif |
57bb2458 | 1102 | |
8990e307 | 1103 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1104 | |
1105 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1106 | while (sv_clean_all() > 2) |
5226ed68 JH |
1107 | ; |
1108 | ||
23083432 FC |
1109 | #ifdef USE_ITHREADS |
1110 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1111 | #endif | |
1112 | ||
d4777f27 GS |
1113 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1114 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1115 | PL_fdpid = NULL; |
d33b2eba | 1116 | |
6c644e78 GS |
1117 | #ifdef HAVE_INTERP_INTERN |
1118 | sys_intern_clear(); | |
1119 | #endif | |
1120 | ||
a38ab475 RZ |
1121 | /* constant strings */ |
1122 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1123 | SvREFCNT_dec(PL_sv_consts[i]); | |
1124 | PL_sv_consts[i] = NULL; | |
1125 | } | |
1126 | ||
6e72f9df | 1127 | /* Destruct the global string table. */ |
1128 | { | |
1129 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1130 | * so that sv_free() won't fail on them. | |
80459961 NC |
1131 | * Now that the global string table is using a single hunk of memory |
1132 | * for both HE and HEK, we either need to explicitly unshare it the | |
1133 | * correct way, or actually free things here. | |
6e72f9df | 1134 | */ |
80459961 NC |
1135 | I32 riter = 0; |
1136 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1137 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1138 | HE *hent = array[0]; |
1139 | ||
6e72f9df | 1140 | for (;;) { |
0453d815 | 1141 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1142 | HE * const next = HeNEXT(hent); |
9014280d | 1143 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1144 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1145 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1146 | Safefree(hent); |
1147 | hent = next; | |
6e72f9df | 1148 | } |
1149 | if (!hent) { | |
1150 | if (++riter > max) | |
1151 | break; | |
1152 | hent = array[riter]; | |
1153 | } | |
1154 | } | |
80459961 NC |
1155 | |
1156 | Safefree(array); | |
1157 | HvARRAY(PL_strtab) = 0; | |
1158 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1159 | } |
3280af22 | 1160 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1161 | |
e652bb2f | 1162 | #ifdef USE_ITHREADS |
c21d1a0f | 1163 | /* free the pointer tables used for cloning */ |
a0739874 | 1164 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1165 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1166 | #endif |
a0739874 | 1167 | |
d33b2eba GS |
1168 | /* free special SVs */ |
1169 | ||
1170 | SvREFCNT(&PL_sv_yes) = 0; | |
1171 | sv_clear(&PL_sv_yes); | |
1172 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1173 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1174 | |
1175 | SvREFCNT(&PL_sv_no) = 0; | |
1176 | sv_clear(&PL_sv_no); | |
1177 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1178 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1179 | |
9f375a43 DM |
1180 | { |
1181 | int i; | |
1182 | for (i=0; i<=2; i++) { | |
1183 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1184 | sv_clear(PERL_DEBUG_PAD(i)); | |
1185 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1186 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1187 | } | |
1188 | } | |
1189 | ||
0453d815 | 1190 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1191 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1192 | |
eba0f806 DM |
1193 | #ifdef DEBUG_LEAKING_SCALARS |
1194 | if (PL_sv_count != 0) { | |
1195 | SV* sva; | |
1196 | SV* sv; | |
eb578fdb | 1197 | SV* svend; |
eba0f806 | 1198 | |
ad64d0ec | 1199 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1200 | svend = &sva[SvREFCNT(sva)]; |
1201 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1202 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1203 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1204 | " flags=0x%"UVxf |
fd0854ff | 1205 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1206 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1207 | "serial %"UVuf"\n", | |
574b8821 NC |
1208 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1209 | pTHX__VALUE, | |
fd0854ff DM |
1210 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1211 | sv->sv_debug_line, | |
1212 | sv->sv_debug_inpad ? "for" : "by", | |
1213 | sv->sv_debug_optype ? | |
1214 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1215 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1216 | sv->sv_debug_serial |
fd0854ff | 1217 | ); |
2aa47728 | 1218 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1219 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1220 | #endif |
eba0f806 DM |
1221 | } |
1222 | } | |
1223 | } | |
1224 | } | |
2aa47728 NC |
1225 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1226 | { | |
1227 | int status; | |
1228 | fd_set rset; | |
1229 | /* Wait for up to 4 seconds for child to terminate. | |
1230 | This seems to be the least effort way of timing out on reaping | |
1231 | its exit status. */ | |
1232 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1233 | int sock = PL_dumper_fd; |
2aa47728 NC |
1234 | |
1235 | shutdown(sock, 1); | |
1236 | FD_ZERO(&rset); | |
1237 | FD_SET(sock, &rset); | |
1238 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1239 | waitpid(child, &status, WNOHANG); | |
1240 | close(sock); | |
1241 | } | |
1242 | #endif | |
eba0f806 | 1243 | #endif |
77abb4c6 NC |
1244 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1245 | if (PL_sv_count) | |
1246 | abort(); | |
1247 | #endif | |
bf9cdc68 | 1248 | PL_sv_count = 0; |
eba0f806 | 1249 | |
56a2bab7 | 1250 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1251 | /* No more IO - including error messages ! */ |
1252 | PerlIO_cleanup(aTHX); | |
1253 | #endif | |
1254 | ||
9f4bd222 | 1255 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1256 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1257 | for no arg - and will try and SvREFCNT_dec it. |
1258 | */ | |
1259 | SvREFCNT(&PL_sv_undef) = 0; | |
1260 | SvREADONLY_off(&PL_sv_undef); | |
1261 | ||
3280af22 | 1262 | Safefree(PL_origfilename); |
bd61b366 | 1263 | PL_origfilename = NULL; |
43c5f42d | 1264 | Safefree(PL_reg_curpm); |
dd28f7bb | 1265 | free_tied_hv_pool(); |
3280af22 | 1266 | Safefree(PL_op_mask); |
cf36064f | 1267 | Safefree(PL_psig_name); |
bf9cdc68 | 1268 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1269 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1270 | { |
1271 | /* We need to NULL PL_psig_pend first, so that | |
1272 | signal handlers know not to use it */ | |
1273 | int *psig_save = PL_psig_pend; | |
1274 | PL_psig_pend = (int*)NULL; | |
1275 | Safefree(psig_save); | |
1276 | } | |
6e72f9df | 1277 | nuke_stacks(); |
284167a5 S |
1278 | TAINTING_set(FALSE); |
1279 | TAINT_WARN_set(FALSE); | |
3280af22 | 1280 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1281 | PL_debug = 0; |
ac27b0f5 | 1282 | |
a0d0e21e | 1283 | DEBUG_P(debprofdump()); |
d33b2eba | 1284 | |
e5dd39fc | 1285 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1286 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1287 | #endif |
1288 | ||
612f20c3 GS |
1289 | sv_free_arenas(); |
1290 | ||
5d9a96ca DM |
1291 | while (PL_regmatch_slab) { |
1292 | regmatch_slab *s = PL_regmatch_slab; | |
1293 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1294 | Safefree(s); | |
1295 | } | |
1296 | ||
fc36a67e | 1297 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1298 | ||
3280af22 | 1299 | if (PL_mess_sv) { |
f350b448 NC |
1300 | /* we know that type == SVt_PVMG */ |
1301 | ||
9c63abab | 1302 | /* it could have accumulated taint magic */ |
f350b448 NC |
1303 | MAGIC* mg; |
1304 | MAGIC* moremagic; | |
1305 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1306 | moremagic = mg->mg_moremagic; | |
1307 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1308 | && mg->mg_len >= 0) | |
1309 | Safefree(mg->mg_ptr); | |
1310 | Safefree(mg); | |
9c63abab | 1311 | } |
f350b448 | 1312 | |
fc36a67e | 1313 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1314 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1315 | Safefree(SvANY(PL_mess_sv)); |
1316 | Safefree(PL_mess_sv); | |
a0714e2c | 1317 | PL_mess_sv = NULL; |
fc36a67e | 1318 | } |
37038d91 | 1319 | return STATUS_EXIT; |
79072805 LW |
1320 | } |
1321 | ||
954c1994 GS |
1322 | /* |
1323 | =for apidoc perl_free | |
1324 | ||
1325 | Releases a Perl interpreter. See L<perlembed>. | |
1326 | ||
1327 | =cut | |
1328 | */ | |
1329 | ||
79072805 | 1330 | void |
0cb96387 | 1331 | perl_free(pTHXx) |
79072805 | 1332 | { |
5174512c NC |
1333 | dVAR; |
1334 | ||
7918f24d NC |
1335 | PERL_ARGS_ASSERT_PERL_FREE; |
1336 | ||
c301d606 DM |
1337 | if (PL_veto_cleanup) |
1338 | return; | |
1339 | ||
7cb608b5 | 1340 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1341 | { |
1342 | /* | |
1343 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1344 | * value as we're probably hunting memory leaks then | |
1345 | */ | |
36e77d41 | 1346 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1347 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1348 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1349 | thread at thread exit. */ | |
4fd0a9b8 NC |
1350 | if (DEBUG_m_TEST) { |
1351 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1352 | "free this thread's memory\n"); | |
1353 | PL_debug &= ~ DEBUG_m_FLAG; | |
1354 | } | |
55ef9aae MHM |
1355 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1356 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1357 | PL_debug = old_debug; |
55ef9aae MHM |
1358 | } |
1359 | } | |
7cb608b5 NC |
1360 | #endif |
1361 | ||
acfe0abc | 1362 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1363 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1364 | { |
acfe0abc | 1365 | # ifdef NETWARE |
7af12a34 | 1366 | void *host = nw_internal_host; |
7af12a34 | 1367 | PerlMem_free(aTHXx); |
7af12a34 | 1368 | nw_delete_internal_host(host); |
acfe0abc | 1369 | # else |
bdb50480 NC |
1370 | void *host = w32_internal_host; |
1371 | PerlMem_free(aTHXx); | |
7af12a34 | 1372 | win32_delete_internal_host(host); |
acfe0abc | 1373 | # endif |
7af12a34 | 1374 | } |
1c0ca838 GS |
1375 | # else |
1376 | PerlMem_free(aTHXx); | |
1377 | # endif | |
acfe0abc GS |
1378 | #else |
1379 | PerlMem_free(aTHXx); | |
76e3520e | 1380 | #endif |
79072805 LW |
1381 | } |
1382 | ||
b7f7fff6 | 1383 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1384 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1385 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1386 | ||
826955bd | 1387 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1388 | #pragma fini "perl_fini" |
666ad1ec GA |
1389 | #elif defined(__sun) && !defined(__GNUC__) |
1390 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1391 | #endif |
1392 | ||
0dbb1585 AL |
1393 | static void |
1394 | #if defined(__GNUC__) | |
1395 | __attribute__((destructor)) | |
aebd1ac7 | 1396 | #endif |
de009b76 | 1397 | perl_fini(void) |
aebd1ac7 | 1398 | { |
27da23d5 | 1399 | dVAR; |
5c64bffd NC |
1400 | if ( |
1401 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1402 | my_vars && | |
1403 | #endif | |
1404 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1405 | FREE_THREAD_KEY; |
1406 | } | |
1407 | ||
1408 | #endif /* WIN32 */ | |
1409 | #endif /* THREADS */ | |
1410 | ||
4b556e6c | 1411 | void |
864dbfa3 | 1412 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1413 | { |
97aff369 | 1414 | dVAR; |
3280af22 NIS |
1415 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1416 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1417 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1418 | ++PL_exitlistlen; | |
4b556e6c JD |
1419 | } |
1420 | ||
b7975bdd NC |
1421 | STATIC void |
1422 | S_set_caret_X(pTHX) { | |
97aff369 | 1423 | dVAR; |
fafc274c | 1424 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd | 1425 | if (tmpgv) { |
0f1723e1 | 1426 | SV *const caret_x = GvSV(tmpgv); |
82552a95 NC |
1427 | #if defined(OS2) |
1428 | sv_setpv(caret_x, os2_execname(aTHX)); | |
1429 | #else | |
2982a345 NC |
1430 | # ifdef USE_KERN_PROC_PATHNAME |
1431 | size_t size = 0; | |
1432 | int mib[4]; | |
1433 | mib[0] = CTL_KERN; | |
1434 | mib[1] = KERN_PROC; | |
1435 | mib[2] = KERN_PROC_PATHNAME; | |
1436 | mib[3] = -1; | |
1437 | ||
1438 | if (sysctl(mib, 4, NULL, &size, NULL, 0) == 0 | |
1439 | && size > 0 && size < MAXPATHLEN * MAXPATHLEN) { | |
1440 | sv_grow(caret_x, size); | |
1441 | ||
1442 | if (sysctl(mib, 4, SvPVX(caret_x), &size, NULL, 0) == 0 | |
1443 | && size > 2) { | |
1444 | SvPOK_only(caret_x); | |
1445 | SvCUR_set(caret_x, size - 1); | |
1446 | SvTAINT(caret_x); | |
1447 | return; | |
1448 | } | |
1449 | } | |
ae60cb46 NC |
1450 | # elif defined(USE_NSGETEXECUTABLEPATH) |
1451 | char buf[1]; | |
1452 | uint32_t size = sizeof(buf); | |
ae60cb46 NC |
1453 | |
1454 | _NSGetExecutablePath(buf, &size); | |
1455 | if (size < MAXPATHLEN * MAXPATHLEN) { | |
1456 | sv_grow(caret_x, size); | |
1457 | if (_NSGetExecutablePath(SvPVX(caret_x), &size) == 0) { | |
1458 | char *const tidied = realpath(SvPVX(caret_x), NULL); | |
1459 | if (tidied) { | |
1460 | sv_setpv(caret_x, tidied); | |
1461 | free(tidied); | |
1462 | } else { | |
1463 | SvPOK_only(caret_x); | |
1464 | SvCUR_set(caret_x, size); | |
1465 | } | |
1466 | return; | |
1467 | } | |
1468 | } | |
2982a345 | 1469 | # elif defined(HAS_PROCSELFEXE) |
700dd4f8 NC |
1470 | char buf[MAXPATHLEN]; |
1471 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1472 | ||
1473 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1474 | includes a spurious NUL which will cause $^X to fail in system | |
1475 | or backticks (this will prevent extensions from being built and | |
1476 | many tests from working). readlink is not meant to add a NUL. | |
1477 | Normal readlink works fine. | |
1478 | */ | |
1479 | if (len > 0 && buf[len-1] == '\0') { | |
1480 | len--; | |
1481 | } | |
1482 | ||
1483 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1484 | returning the text "unknown" from the readlink rather than the path | |
1485 | to the executable (or returning an error from the readlink). Any | |
1486 | valid path has a '/' in it somewhere, so use that to validate the | |
1487 | result. See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1488 | */ | |
1489 | if (len > 0 && memchr(buf, '/', len)) { | |
1490 | sv_setpvn(caret_x, buf, len); | |
82552a95 | 1491 | return; |
700dd4f8 | 1492 | } |
82552a95 NC |
1493 | # endif |
1494 | /* Fallback to this: */ | |
0f1723e1 | 1495 | sv_setpv(caret_x, PL_origargv[0]); |
b7975bdd | 1496 | #endif |
b7975bdd NC |
1497 | } |
1498 | } | |
1499 | ||
954c1994 GS |
1500 | /* |
1501 | =for apidoc perl_parse | |
1502 | ||
1503 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1504 | ||
1505 | =cut | |
1506 | */ | |
1507 | ||
03d9f026 FC |
1508 | #define SET_CURSTASH(newstash) \ |
1509 | if (PL_curstash != newstash) { \ | |
1510 | SvREFCNT_dec(PL_curstash); \ | |
1511 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1512 | } | |
1513 | ||
79072805 | 1514 | int |
0cb96387 | 1515 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1516 | { |
27da23d5 | 1517 | dVAR; |
6224f72b | 1518 | I32 oldscope; |
6224f72b | 1519 | int ret; |
db36c5a1 | 1520 | dJMPENV; |
8d063cd8 | 1521 | |
7918f24d NC |
1522 | PERL_ARGS_ASSERT_PERL_PARSE; |
1523 | #ifndef MULTIPLICITY | |
ed6c66dd | 1524 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1525 | #endif |
7dc86639 | 1526 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1527 | { |
7dc86639 YO |
1528 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1529 | ||
1530 | if (s && (atoi(s) == 1)) { | |
1531 | unsigned char *seed= PERL_HASH_SEED; | |
1532 | unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
1533 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); | |
1534 | while (seed < seed_end) { | |
1535 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1536 | } | |
6a5b4183 YO |
1537 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1538 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1539 | PL_HASH_RAND_BITS_ENABLED, | |
1540 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1541 | #endif | |
7dc86639 YO |
1542 | PerlIO_printf(Perl_debug_log, "\n"); |
1543 | } | |
b0891165 JH |
1544 | } |
1545 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3280af22 | 1546 | PL_origargc = argc; |
e2975953 | 1547 | PL_origargv = argv; |
a0d0e21e | 1548 | |
a2722ac9 GA |
1549 | if (PL_origalen != 0) { |
1550 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1551 | } | |
1552 | else { | |
3cb9023d JH |
1553 | /* Set PL_origalen be the sum of the contiguous argv[] |
1554 | * elements plus the size of the env in case that it is | |
e9137a8e | 1555 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1556 | * as the maximum modifiable length of $0. In the worst case |
1557 | * the area we are able to modify is limited to the size of | |
43c32782 | 1558 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1559 | * --jhi */ |
e1ec3a88 | 1560 | const char *s = NULL; |
54bfe034 | 1561 | int i; |
1b6737cc | 1562 | const UV mask = |
7d8e7db3 | 1563 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1564 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1565 | const UV aligned = |
43c32782 JH |
1566 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1567 | ||
1568 | /* See if all the arguments are contiguous in memory. Note | |
1569 | * that 'contiguous' is a loose term because some platforms | |
1570 | * align the argv[] and the envp[]. If the arguments look | |
1571 | * like non-aligned, assume that they are 'strictly' or | |
1572 | * 'traditionally' contiguous. If the arguments look like | |
1573 | * aligned, we just check that they are within aligned | |
1574 | * PTRSIZE bytes. As long as no system has something bizarre | |
1575 | * like the argv[] interleaved with some other data, we are | |
1576 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1577 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1578 | while (*s) s++; | |
1579 | for (i = 1; i < PL_origargc; i++) { | |
1580 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1581 | #ifdef OS2 |
c8941eeb | 1582 | || PL_origargv[i] == s + 2 |
43c32782 | 1583 | #endif |
c8941eeb JH |
1584 | ) |
1585 | || | |
1586 | (aligned && | |
1587 | (PL_origargv[i] > s && | |
1588 | PL_origargv[i] <= | |
1589 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1590 | ) | |
1591 | { | |
1592 | s = PL_origargv[i]; | |
1593 | while (*s) s++; | |
1594 | } | |
1595 | else | |
1596 | break; | |
54bfe034 | 1597 | } |
54bfe034 | 1598 | } |
a4a109c2 JD |
1599 | |
1600 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1601 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1602 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1603 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1604 | || |
1605 | (aligned && | |
1606 | (PL_origenviron[0] > s && | |
1607 | PL_origenviron[0] <= | |
1608 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1609 | ) | |
1610 | { | |
9d419b5f | 1611 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1612 | s = PL_origenviron[0]; |
1613 | while (*s) s++; | |
1614 | #endif | |
bd61b366 | 1615 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1616 | /* Force copy of environment. */ |
1617 | for (i = 1; PL_origenviron[i]; i++) { | |
1618 | if (PL_origenviron[i] == s + 1 | |
1619 | || | |
1620 | (aligned && | |
1621 | (PL_origenviron[i] > s && | |
1622 | PL_origenviron[i] <= | |
1623 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1624 | ) | |
1625 | { | |
1626 | s = PL_origenviron[i]; | |
1627 | while (*s) s++; | |
1628 | } | |
1629 | else | |
1630 | break; | |
54bfe034 | 1631 | } |
43c32782 | 1632 | } |
54bfe034 | 1633 | } |
a4a109c2 JD |
1634 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1635 | ||
2d2af554 | 1636 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1637 | } |
1638 | ||
3280af22 | 1639 | if (PL_do_undump) { |
a0d0e21e LW |
1640 | |
1641 | /* Come here if running an undumped a.out. */ | |
1642 | ||
3280af22 NIS |
1643 | PL_origfilename = savepv(argv[0]); |
1644 | PL_do_undump = FALSE; | |
a0d0e21e | 1645 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1646 | init_ids(); |
284167a5 | 1647 | assert (!TAINT_get); |
b7975bdd NC |
1648 | TAINT; |
1649 | S_set_caret_X(aTHX); | |
1650 | TAINT_NOT; | |
a0d0e21e LW |
1651 | init_postdump_symbols(argc,argv,env); |
1652 | return 0; | |
1653 | } | |
1654 | ||
3280af22 | 1655 | if (PL_main_root) { |
3280af22 | 1656 | op_free(PL_main_root); |
5f66b61c | 1657 | PL_main_root = NULL; |
ff0cee69 | 1658 | } |
5f66b61c | 1659 | PL_main_start = NULL; |
3280af22 | 1660 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1661 | PL_main_cv = NULL; |
79072805 | 1662 | |
3280af22 NIS |
1663 | time(&PL_basetime); |
1664 | oldscope = PL_scopestack_ix; | |
599cee73 | 1665 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1666 | |
14dd3ad8 | 1667 | JMPENV_PUSH(ret); |
6224f72b | 1668 | switch (ret) { |
312caa8e | 1669 | case 0: |
14dd3ad8 | 1670 | parse_body(env,xsinit); |
9ebf26ad | 1671 | if (PL_unitcheckav) { |
3c10abe3 | 1672 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1673 | } |
1674 | if (PL_checkav) { | |
ca7b837b | 1675 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1676 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1677 | } |
14dd3ad8 GS |
1678 | ret = 0; |
1679 | break; | |
6224f72b GS |
1680 | case 1: |
1681 | STATUS_ALL_FAILURE; | |
1682 | /* FALL THROUGH */ | |
1683 | case 2: | |
1684 | /* my_exit() was called */ | |
3280af22 | 1685 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1686 | LEAVE; |
1687 | FREETMPS; | |
03d9f026 | 1688 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1689 | if (PL_unitcheckav) { |
3c10abe3 | 1690 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1691 | } |
1692 | if (PL_checkav) { | |
ca7b837b | 1693 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1694 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1695 | } |
37038d91 | 1696 | ret = STATUS_EXIT; |
14dd3ad8 | 1697 | break; |
6224f72b | 1698 | case 3: |
bf49b057 | 1699 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1700 | ret = 1; |
1701 | break; | |
6224f72b | 1702 | } |
14dd3ad8 GS |
1703 | JMPENV_POP; |
1704 | return ret; | |
1705 | } | |
1706 | ||
4a5df386 NC |
1707 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1708 | miniperl, and we need to see those flags reflected in the values here. */ | |
1709 | ||
1710 | /* What this returns is subject to change. Use the public interface in Config. | |
1711 | */ | |
1712 | static void | |
1713 | S_Internals_V(pTHX_ CV *cv) | |
1714 | { | |
1715 | dXSARGS; | |
1716 | #ifdef LOCAL_PATCH_COUNT | |
1717 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1718 | #else | |
1719 | const int local_patch_count = 0; | |
1720 | #endif | |
2dc296d2 | 1721 | const int entries = 3 + local_patch_count; |
4a5df386 | 1722 | int i; |
fe1c5936 | 1723 | static const char non_bincompat_options[] = |
4a5df386 NC |
1724 | # ifdef DEBUGGING |
1725 | " DEBUGGING" | |
1726 | # endif | |
1727 | # ifdef NO_MATHOMS | |
0d311fbe | 1728 | " NO_MATHOMS" |
4a5df386 | 1729 | # endif |
59b86f4b DM |
1730 | # ifdef NO_HASH_SEED |
1731 | " NO_HASH_SEED" | |
1732 | # endif | |
3b0e4ee2 MB |
1733 | # ifdef NO_TAINT_SUPPORT |
1734 | " NO_TAINT_SUPPORT" | |
1735 | # endif | |
4a5df386 NC |
1736 | # ifdef PERL_DISABLE_PMC |
1737 | " PERL_DISABLE_PMC" | |
1738 | # endif | |
1739 | # ifdef PERL_DONT_CREATE_GVSV | |
1740 | " PERL_DONT_CREATE_GVSV" | |
1741 | # endif | |
9a044a43 NC |
1742 | # ifdef PERL_EXTERNAL_GLOB |
1743 | " PERL_EXTERNAL_GLOB" | |
1744 | # endif | |
59b86f4b DM |
1745 | # ifdef PERL_HASH_FUNC_SIPHASH |
1746 | " PERL_HASH_FUNC_SIPHASH" | |
1747 | # endif | |
1748 | # ifdef PERL_HASH_FUNC_SDBM | |
1749 | " PERL_HASH_FUNC_SDBM" | |
1750 | # endif | |
1751 | # ifdef PERL_HASH_FUNC_DJB2 | |
1752 | " PERL_HASH_FUNC_DJB2" | |
1753 | # endif | |
1754 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1755 | " PERL_HASH_FUNC_SUPERFAST" | |
1756 | # endif | |
1757 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1758 | " PERL_HASH_FUNC_MURMUR3" | |
1759 | # endif | |
1760 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1761 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1762 | # endif | |
1763 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1764 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1765 | # endif | |
1766 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1767 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1768 | # endif | |
4a5df386 NC |
1769 | # ifdef PERL_IS_MINIPERL |
1770 | " PERL_IS_MINIPERL" | |
1771 | # endif | |
1772 | # ifdef PERL_MALLOC_WRAP | |
1773 | " PERL_MALLOC_WRAP" | |
1774 | # endif | |
1775 | # ifdef PERL_MEM_LOG | |
1776 | " PERL_MEM_LOG" | |
1777 | # endif | |
1778 | # ifdef PERL_MEM_LOG_NOIMPL | |
1779 | " PERL_MEM_LOG_NOIMPL" | |
1780 | # endif | |
2542212d DM |
1781 | # ifdef PERL_NEW_COPY_ON_WRITE |
1782 | " PERL_NEW_COPY_ON_WRITE" | |
1783 | # endif | |
59b86f4b DM |
1784 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1785 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1786 | # endif | |
1787 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1788 | " PERL_PERTURB_KEYS_DISABLED" | |
1789 | # endif | |
1790 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1791 | " PERL_PERTURB_KEYS_RANDOM" | |
1792 | # endif | |
c3cf41ec NC |
1793 | # ifdef PERL_PRESERVE_IVUV |
1794 | " PERL_PRESERVE_IVUV" | |
1795 | # endif | |
c051e30b NC |
1796 | # ifdef PERL_RELOCATABLE_INCPUSH |
1797 | " PERL_RELOCATABLE_INCPUSH" | |
1798 | # endif | |
4a5df386 NC |
1799 | # ifdef PERL_USE_DEVEL |
1800 | " PERL_USE_DEVEL" | |
1801 | # endif | |
1802 | # ifdef PERL_USE_SAFE_PUTENV | |
1803 | " PERL_USE_SAFE_PUTENV" | |
1804 | # endif | |
a3749cf3 NC |
1805 | # ifdef UNLINK_ALL_VERSIONS |
1806 | " UNLINK_ALL_VERSIONS" | |
1807 | # endif | |
de618ee4 NC |
1808 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1809 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1810 | # endif | |
4a5df386 NC |
1811 | # ifdef USE_FAST_STDIO |
1812 | " USE_FAST_STDIO" | |
1813 | # endif | |
59b86f4b DM |
1814 | # ifdef USE_HASH_SEED_EXPLICIT |
1815 | " USE_HASH_SEED_EXPLICIT" | |
1816 | # endif | |
98548bdf NC |
1817 | # ifdef USE_LOCALE |
1818 | " USE_LOCALE" | |
1819 | # endif | |
98548bdf NC |
1820 | # ifdef USE_LOCALE_CTYPE |
1821 | " USE_LOCALE_CTYPE" | |
1822 | # endif | |
5a8d8935 NC |
1823 | # ifdef USE_PERL_ATOF |
1824 | " USE_PERL_ATOF" | |
1825 | # endif | |
0d311fbe NC |
1826 | # ifdef USE_SITECUSTOMIZE |
1827 | " USE_SITECUSTOMIZE" | |
1828 | # endif | |
4a5df386 NC |
1829 | ; |
1830 | PERL_UNUSED_ARG(cv); | |
1831 | PERL_UNUSED_ARG(items); | |
1832 | ||
1833 | EXTEND(SP, entries); | |
1834 | ||
1835 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1836 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1837 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1838 | ||
1839 | #ifdef __DATE__ | |
1840 | # ifdef __TIME__ | |
1841 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1842 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1843 | SVs_TEMP)); | |
1844 | # else | |
1845 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1846 | SVs_TEMP)); | |
1847 | # endif | |
1848 | #else | |
1849 | PUSHs(&PL_sv_undef); | |
1850 | #endif | |
1851 | ||
4a5df386 NC |
1852 | for (i = 1; i <= local_patch_count; i++) { |
1853 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1854 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1855 | } | |
1856 | ||
1857 | XSRETURN(entries); | |
1858 | } | |
1859 | ||
be71fc8f NC |
1860 | #define INCPUSH_UNSHIFT 0x01 |
1861 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1862 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1863 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1864 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1865 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1866 | #define INCPUSH_ADD_SUB_DIRS \ |
1867 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1868 | |
312caa8e | 1869 | STATIC void * |
14dd3ad8 | 1870 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1871 | { |
27da23d5 | 1872 | dVAR; |
2f9285f8 | 1873 | PerlIO *rsfp; |
312caa8e | 1874 | int argc = PL_origargc; |
8f42b153 | 1875 | char **argv = PL_origargv; |
e1ec3a88 | 1876 | const char *scriptname = NULL; |
312caa8e | 1877 | VOL bool dosearch = FALSE; |
eb578fdb | 1878 | char c; |
737c24fc | 1879 | bool doextract = FALSE; |
bd61b366 | 1880 | const char *cddir = NULL; |
ab019eaa | 1881 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1882 | bool minus_f = FALSE; |
ab019eaa | 1883 | #endif |
95670bde | 1884 | SV *linestr_sv = NULL; |
5486870f | 1885 | bool add_read_e_script = FALSE; |
87606032 | 1886 | U32 lex_start_flags = 0; |
009d90df | 1887 | |
ca7b837b | 1888 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1889 | |
6224f72b | 1890 | init_main_stash(); |
54310121 | 1891 | |
c7030b81 NC |
1892 | { |
1893 | const char *s; | |
6224f72b GS |
1894 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1895 | if (argv[0][0] != '-' || !argv[0][1]) | |
1896 | break; | |
6224f72b GS |
1897 | s = argv[0]+1; |
1898 | reswitch: | |
47f56822 | 1899 | switch ((c = *s)) { |
729a02f2 | 1900 | case 'C': |
1d5472a9 GS |
1901 | #ifndef PERL_STRICT_CR |
1902 | case '\r': | |
1903 | #endif | |
6224f72b GS |
1904 | case ' ': |
1905 | case '0': | |
1906 | case 'F': | |
1907 | case 'a': | |
1908 | case 'c': | |
1909 | case 'd': | |
1910 | case 'D': | |
1911 | case 'h': | |
1912 | case 'i': | |
1913 | case 'l': | |
1914 | case 'M': | |
1915 | case 'm': | |
1916 | case 'n': | |
1917 | case 'p': | |
1918 | case 's': | |
1919 | case 'u': | |
1920 | case 'U': | |
1921 | case 'v': | |
599cee73 PM |
1922 | case 'W': |
1923 | case 'X': | |
6224f72b | 1924 | case 'w': |
97bd5664 | 1925 | if ((s = moreswitches(s))) |
6224f72b GS |
1926 | goto reswitch; |
1927 | break; | |
33b78306 | 1928 | |
1dbad523 | 1929 | case 't': |
284167a5 S |
1930 | #if SILENT_NO_TAINT_SUPPORT |
1931 | /* silently ignore */ | |
1932 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1933 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1934 | "Cowardly refusing to run with -t or -T flags"); |
1935 | #else | |
22f7c9c9 | 1936 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1937 | if( !TAINTING_get ) { |
1938 | TAINT_WARN_set(TRUE); | |
1939 | TAINTING_set(TRUE); | |
317ea90d | 1940 | } |
284167a5 | 1941 | #endif |
317ea90d MS |
1942 | s++; |
1943 | goto reswitch; | |
6224f72b | 1944 | case 'T': |
284167a5 S |
1945 | #if SILENT_NO_TAINT_SUPPORT |
1946 | /* silently ignore */ | |
1947 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1948 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1949 | "Cowardly refusing to run with -t or -T flags"); |
1950 | #else | |
22f7c9c9 | 1951 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1952 | TAINTING_set(TRUE); |
1953 | TAINT_WARN_set(FALSE); | |
1954 | #endif | |
6224f72b GS |
1955 | s++; |
1956 | goto reswitch; | |
f86702cc | 1957 | |
bc9b29db RH |
1958 | case 'E': |
1959 | PL_minus_E = TRUE; | |
1960 | /* FALL THROUGH */ | |
6224f72b | 1961 | case 'e': |
f20b2998 | 1962 | forbid_setid('e', FALSE); |
3280af22 | 1963 | if (!PL_e_script) { |
396482e1 | 1964 | PL_e_script = newSVpvs(""); |
5486870f | 1965 | add_read_e_script = TRUE; |
6224f72b GS |
1966 | } |
1967 | if (*++s) | |
3280af22 | 1968 | sv_catpv(PL_e_script, s); |
6224f72b | 1969 | else if (argv[1]) { |
3280af22 | 1970 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1971 | argc--,argv++; |
1972 | } | |
1973 | else | |
47f56822 | 1974 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1975 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1976 | break; |
afe37c7d | 1977 | |
20ef40cf | 1978 | case 'f': |
f5542d3a | 1979 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1980 | minus_f = TRUE; |
f5542d3a | 1981 | #endif |
20ef40cf GA |
1982 | s++; |
1983 | goto reswitch; | |
1984 | ||
6224f72b | 1985 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1986 | forbid_setid('I', FALSE); |
bd61b366 | 1987 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1988 | argc--,argv++; |
1989 | } | |
6224f72b | 1990 | if (s && *s) { |
0df16ed7 | 1991 | STRLEN len = strlen(s); |
55b4bc1c | 1992 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1993 | } |
1994 | else | |
a67e862a | 1995 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1996 | break; |
6224f72b | 1997 | case 'S': |
f20b2998 | 1998 | forbid_setid('S', FALSE); |
6224f72b GS |
1999 | dosearch = TRUE; |
2000 | s++; | |
2001 | goto reswitch; | |
2002 | case 'V': | |
7edfd0ef NC |
2003 | { |
2004 | SV *opts_prog; | |
2005 | ||
7edfd0ef | 2006 | if (*++s != ':') { |
37ca4a5b | 2007 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2008 | } |
2009 | else { | |
2010 | ++s; | |
2011 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2012 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2013 | 0, s, 0); |
2014 | s += strlen(s); | |
2015 | } | |
37ca4a5b | 2016 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2017 | /* don't look for script or read stdin */ |
2018 | scriptname = BIT_BUCKET; | |
2019 | goto reswitch; | |
6224f72b | 2020 | } |
6224f72b | 2021 | case 'x': |
737c24fc | 2022 | doextract = TRUE; |
6224f72b | 2023 | s++; |
304334da | 2024 | if (*s) |
f4c556ac | 2025 | cddir = s; |
6224f72b GS |
2026 | break; |
2027 | case 0: | |
2028 | break; | |
2029 | case '-': | |
2030 | if (!*++s || isSPACE(*s)) { | |
2031 | argc--,argv++; | |
2032 | goto switch_end; | |
2033 | } | |
ee8bc8b7 NC |
2034 | /* catch use of gnu style long options. |
2035 | Both of these exit immediately. */ | |
2036 | if (strEQ(s, "version")) | |
2037 | minus_v(); | |
2038 | if (strEQ(s, "help")) | |
2039 | usage(); | |
6224f72b GS |
2040 | s--; |
2041 | /* FALL THROUGH */ | |
2042 | default: | |
cea2e8a9 | 2043 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2044 | } |
2045 | } | |
c7030b81 NC |
2046 | } |
2047 | ||
6224f72b | 2048 | switch_end: |
54310121 | 2049 | |
c7030b81 NC |
2050 | { |
2051 | char *s; | |
2052 | ||
f675dbe5 CB |
2053 | if ( |
2054 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2055 | !TAINTING_get && |
f675dbe5 | 2056 | #endif |
cf756827 | 2057 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2058 | { |
74288ac8 GS |
2059 | while (isSPACE(*s)) |
2060 | s++; | |
317ea90d | 2061 | if (*s == '-' && *(s+1) == 'T') { |
284167a5 S |
2062 | #if SILENT_NO_TAINT_SUPPORT |
2063 | /* silently ignore */ | |
2064 | #elif NO_TAINT_SUPPORT | |
3231f579 | 2065 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2066 | "Cowardly refusing to run with -t or -T flags"); |
2067 | #else | |
22f7c9c9 | 2068 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2069 | TAINTING_set(TRUE); |
2070 | TAINT_WARN_set(FALSE); | |
2071 | #endif | |
317ea90d | 2072 | } |
74288ac8 | 2073 | else { |
bd61b366 | 2074 | char *popt_copy = NULL; |
74288ac8 | 2075 | while (s && *s) { |
54913509 | 2076 | const char *d; |
74288ac8 GS |
2077 | while (isSPACE(*s)) |
2078 | s++; | |
2079 | if (*s == '-') { | |
2080 | s++; | |
2081 | if (isSPACE(*s)) | |
2082 | continue; | |
2083 | } | |
4ea8f8fb | 2084 | d = s; |
74288ac8 GS |
2085 | if (!*s) |
2086 | break; | |
2b622f1a | 2087 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2088 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2089 | while (++s && *s) { |
2090 | if (isSPACE(*s)) { | |
cf756827 | 2091 | if (!popt_copy) { |
bfa6c418 NC |
2092 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2093 | s = popt_copy + (s - d); | |
2094 | d = popt_copy; | |
cf756827 | 2095 | } |
4ea8f8fb MS |
2096 | *s++ = '\0'; |
2097 | break; | |
2098 | } | |
2099 | } | |
1c4db469 | 2100 | if (*d == 't') { |
284167a5 S |
2101 | #if SILENT_NO_TAINT_SUPPORT |
2102 | /* silently ignore */ | |
2103 | #elif NO_TAINT_SUPPORT | |
3231f579 | 2104 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2105 | "Cowardly refusing to run with -t or -T flags"); |
2106 | #else | |
2107 | if( !TAINTING_get) { | |
2108 | TAINT_WARN_set(TRUE); | |
2109 | TAINTING_set(TRUE); | |
317ea90d | 2110 | } |
284167a5 | 2111 | #endif |
1c4db469 | 2112 | } else { |
97bd5664 | 2113 | moreswitches(d); |
1c4db469 | 2114 | } |
6224f72b | 2115 | } |
6224f72b GS |
2116 | } |
2117 | } | |
c7030b81 | 2118 | } |
a0d0e21e | 2119 | |
c29067d7 CH |
2120 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2121 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2122 | assert (!TAINT_get); |
c29067d7 CH |
2123 | TAINT; |
2124 | S_set_caret_X(aTHX); | |
2125 | TAINT_NOT; | |
2126 | ||
43c0c913 | 2127 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2128 | if (!minus_f) { |
43c0c913 | 2129 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2130 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2131 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2132 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2133 | # ifdef PERL_IS_MINIPERL |
2134 | AV *const inc = GvAV(PL_incgv); | |
2135 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2136 | ||
2137 | if (inc0) { | |
15870c5c NC |
2138 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2139 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2140 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2141 | Perl_newSVpvf(aTHX_ | |
15870c5c | 2142 | "BEGIN { do {local $!; -f q%c%"SVf"/buildcustomize.pl%c} and do q%c%"SVf"/buildcustomize.pl%c || die $@ }", |
fc81b718 NC |
2143 | 0, *inc0, 0, |
2144 | 0, *inc0, 0)); | |
43c0c913 NC |
2145 | } |
2146 | # else | |
2147 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2148 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2149 | if (raw_sitelib) { |
2150 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2151 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2152 | INCPUSH_CAN_RELOCATE); | |
2153 | const char *const sitelib = SvPVX(sitelib_sv); | |
2154 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2155 | Perl_newSVpvf(aTHX_ | |
2156 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
2157 | 0, sitelib, 0, | |
2158 | 0, sitelib, 0)); | |
2159 | assert (SvREFCNT(sitelib_sv) == 1); | |
2160 | SvREFCNT_dec(sitelib_sv); | |
2161 | } | |
43c0c913 | 2162 | # endif |
20ef40cf GA |
2163 | } |
2164 | #endif | |
2165 | ||
6224f72b GS |
2166 | if (!scriptname) |
2167 | scriptname = argv[0]; | |
3280af22 | 2168 | if (PL_e_script) { |
6224f72b GS |
2169 | argc++,argv--; |
2170 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2171 | } | |
bd61b366 | 2172 | else if (scriptname == NULL) { |
6224f72b GS |
2173 | #ifdef MSDOS |
2174 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2175 | moreswitches("h"); |
6224f72b GS |
2176 | #endif |
2177 | scriptname = "-"; | |
2178 | } | |
2179 | ||
284167a5 | 2180 | assert (!TAINT_get); |
2cace6ac | 2181 | init_perllib(); |
6224f72b | 2182 | |
a52eba0e | 2183 | { |
f20b2998 | 2184 | bool suidscript = FALSE; |
829372d3 | 2185 | |
8d113837 | 2186 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2187 | if (!rsfp) { |
2188 | rsfp = PerlIO_stdin(); | |
87606032 | 2189 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2190 | } |
6224f72b | 2191 | |
b24bc095 | 2192 | validate_suid(rsfp); |
6224f72b | 2193 | |
64ca3a65 | 2194 | #ifndef PERL_MICRO |
a52eba0e NC |
2195 | # if defined(SIGCHLD) || defined(SIGCLD) |
2196 | { | |
2197 | # ifndef SIGCHLD | |
2198 | # define SIGCHLD SIGCLD | |
2199 | # endif | |
2200 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2201 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2202 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2203 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2204 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2205 | } | |
0b5b802d | 2206 | } |
a52eba0e | 2207 | # endif |
64ca3a65 | 2208 | #endif |
0b5b802d | 2209 | |
737c24fc | 2210 | if (doextract) { |
faef540c | 2211 | |
f20b2998 | 2212 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2213 | setuid scripts. */ |
2214 | forbid_setid('x', suidscript); | |
f20b2998 | 2215 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2216 | |
95670bde NC |
2217 | linestr_sv = newSV_type(SVt_PV); |
2218 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2219 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2220 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2221 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2222 | } | |
f4c556ac | 2223 | } |
6224f72b | 2224 | |
ea726b52 | 2225 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2226 | CvUNIQUE_on(PL_compcv); |
2227 | ||
dd2155a4 | 2228 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2229 | |
dd69841b BB |
2230 | PL_isarev = newHV(); |
2231 | ||
0c4f7ff0 | 2232 | boot_core_PerlIO(); |
6224f72b | 2233 | boot_core_UNIVERSAL(); |
e1a479c5 | 2234 | boot_core_mro(); |
4a5df386 | 2235 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2236 | |
2237 | if (xsinit) | |
acfe0abc | 2238 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2239 | #ifndef PERL_MICRO |
739a0b84 | 2240 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2241 | init_os_extras(); |
6224f72b | 2242 | #endif |
64ca3a65 | 2243 | #endif |
6224f72b | 2244 | |
29209bc5 | 2245 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2246 | # ifdef HAS_SOCKS5_INIT |
2247 | socks5_init(argv[0]); | |
2248 | # else | |
29209bc5 | 2249 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2250 | # endif |
ac27b0f5 | 2251 | #endif |
29209bc5 | 2252 | |
6224f72b GS |
2253 | init_predump_symbols(); |
2254 | /* init_postdump_symbols not currently designed to be called */ | |
2255 | /* more than once (ENV isn't cleared first, for example) */ | |
2256 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2257 | if (!PL_do_undump) |
6224f72b GS |
2258 | init_postdump_symbols(argc,argv,env); |
2259 | ||
27da23d5 JH |
2260 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2261 | * or explicitly in some platforms. | |
085a54d9 | 2262 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2263 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2264 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2265 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2266 | #endif | |
e27b5b51 | 2267 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2268 | if (PL_unicode) { |
2269 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2270 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2271 | IO* io; |
2272 | PerlIO* fp; | |
2273 | SV* sv; | |
2274 | ||
a05d7ebb | 2275 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2276 | * and the default open disciplines. */ |
a05d7ebb JH |
2277 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2278 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2279 | (fp = IoIFP(io))) | |
2280 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2281 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2282 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2283 | (fp = IoOFP(io))) | |
2284 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2285 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2286 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2287 | (fp = IoOFP(io))) | |
2288 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2289 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2290 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2291 | SVt_PV)))) { | |
a05d7ebb JH |
2292 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2293 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2294 | if (in) { | |
2295 | if (out) | |
76f68e9b | 2296 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2297 | else |
76f68e9b | 2298 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2299 | } |
2300 | else if (out) | |
76f68e9b | 2301 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2302 | SvSETMAGIC(sv); |
2303 | } | |
b310b053 JH |
2304 | } |
2305 | } | |
e27b5b51 | 2306 | #endif |
b310b053 | 2307 | |
c7030b81 NC |
2308 | { |
2309 | const char *s; | |
4ffa73a3 JH |
2310 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2311 | if (strEQ(s, "unsafe")) | |
2312 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2313 | else if (strEQ(s, "safe")) | |
2314 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2315 | else | |
2316 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2317 | } | |
c7030b81 | 2318 | } |
4ffa73a3 | 2319 | |
81d86705 | 2320 | #ifdef PERL_MAD |
c7030b81 NC |
2321 | { |
2322 | const char *s; | |
284167a5 | 2323 | if (!TAINTING_get && |
2cc12391 | 2324 | (s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
81d86705 NC |
2325 | PL_madskills = 1; |
2326 | PL_minus_c = 1; | |
2327 | if (!s || !s[0]) | |
2328 | PL_xmlfp = PerlIO_stdout(); | |
2329 | else { | |
2330 | PL_xmlfp = PerlIO_open(s, "w"); | |
2331 | if (!PL_xmlfp) | |
2332 | Perl_croak(aTHX_ "Can't open %s", s); | |
2333 | } | |
1a9a51d4 | 2334 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2335 | } |
c7030b81 NC |
2336 | } |
2337 | ||
2338 | { | |
2339 | const char *s; | |
81d86705 NC |
2340 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2341 | PL_madskills = atoi(s); | |
1a9a51d4 | 2342 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2343 | } |
c7030b81 | 2344 | } |
81d86705 NC |
2345 | #endif |
2346 | ||
87606032 | 2347 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2348 | SvREFCNT_dec(linestr_sv); |
95670bde | 2349 | |
219f7226 | 2350 | PL_subname = newSVpvs("main"); |
6224f72b | 2351 | |
5486870f DM |
2352 | if (add_read_e_script) |
2353 | filter_add(read_e_script, NULL); | |
2354 | ||
6224f72b GS |
2355 | /* now parse the script */ |
2356 | ||
93189314 | 2357 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2358 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2359 | if (PL_minus_c) |
cea2e8a9 | 2360 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2361 | else { |
cea2e8a9 | 2362 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2363 | PL_origfilename); |
6224f72b GS |
2364 | } |
2365 | } | |
57843af0 | 2366 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2367 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2368 | if (PL_e_script) { |
2369 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2370 | PL_e_script = NULL; |
6224f72b GS |
2371 | } |
2372 | ||
3280af22 | 2373 | if (PL_do_undump) |
6224f72b GS |
2374 | my_unexec(); |
2375 | ||
57843af0 GS |
2376 | if (isWARN_ONCE) { |
2377 | SAVECOPFILE(PL_curcop); | |
2378 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2379 | gv_check(PL_defstash); |
57843af0 | 2380 | } |
6224f72b GS |
2381 | |
2382 | LEAVE; | |
2383 | FREETMPS; | |
2384 | ||
2385 | #ifdef MYMALLOC | |
f6a607bc RGS |
2386 | { |
2387 | const char *s; | |
6224f72b GS |
2388 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2389 | dump_mstats("after compilation:"); | |
f6a607bc | 2390 | } |
6224f72b GS |
2391 | #endif |
2392 | ||
2393 | ENTER; | |
febb3a6d | 2394 | PL_restartjmpenv = NULL; |
3280af22 | 2395 | PL_restartop = 0; |
312caa8e | 2396 | return NULL; |
6224f72b GS |
2397 | } |
2398 | ||
954c1994 GS |
2399 | /* |
2400 | =for apidoc perl_run | |
2401 | ||
2402 | Tells a Perl interpreter to run. See L<perlembed>. | |
2403 | ||
2404 | =cut | |
2405 | */ | |
2406 | ||
6224f72b | 2407 | int |
0cb96387 | 2408 | perl_run(pTHXx) |
6224f72b | 2409 | { |
97aff369 | 2410 | dVAR; |
6224f72b | 2411 | I32 oldscope; |
14dd3ad8 | 2412 | int ret = 0; |
db36c5a1 | 2413 | dJMPENV; |
6224f72b | 2414 | |
7918f24d NC |
2415 | PERL_ARGS_ASSERT_PERL_RUN; |
2416 | #ifndef MULTIPLICITY | |
ed6c66dd | 2417 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2418 | #endif |
9d4ba2ae | 2419 | |
3280af22 | 2420 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2421 | #ifdef VMS |
2422 | VMSISH_HUSHED = 0; | |
2423 | #endif | |
6224f72b | 2424 | |
14dd3ad8 | 2425 | JMPENV_PUSH(ret); |
6224f72b GS |
2426 | switch (ret) { |
2427 | case 1: | |
2428 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2429 | goto redo_body; |
14dd3ad8 | 2430 | case 0: /* normal completion */ |
14dd3ad8 GS |
2431 | redo_body: |
2432 | run_body(oldscope); | |
14dd3ad8 GS |
2433 | /* FALL THROUGH */ |
2434 | case 2: /* my_exit() */ | |
3280af22 | 2435 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2436 | LEAVE; |
2437 | FREETMPS; | |
03d9f026 | 2438 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2439 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2440 | PL_endav && !PL_minus_c) { |
ca7b837b | 2441 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2442 | call_list(oldscope, PL_endav); |
9ebf26ad | 2443 | } |
6224f72b GS |
2444 | #ifdef MYMALLOC |
2445 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2446 | dump_mstats("after execution: "); | |
2447 | #endif | |
37038d91 | 2448 | ret = STATUS_EXIT; |
14dd3ad8 | 2449 | break; |
6224f72b | 2450 | case 3: |
312caa8e CS |
2451 | if (PL_restartop) { |
2452 | POPSTACK_TO(PL_mainstack); | |
2453 | goto redo_body; | |
6224f72b | 2454 | } |
5637ef5b | 2455 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2456 | FREETMPS; |
14dd3ad8 GS |
2457 | ret = 1; |
2458 | break; | |
6224f72b GS |
2459 | } |
2460 | ||
14dd3ad8 GS |
2461 | JMPENV_POP; |
2462 | return ret; | |
312caa8e CS |
2463 | } |
2464 | ||
dd374669 | 2465 | STATIC void |
14dd3ad8 GS |
2466 | S_run_body(pTHX_ I32 oldscope) |
2467 | { | |
97aff369 | 2468 | dVAR; |
d3b97530 DM |
2469 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2470 | PL_sawampersand ? "Enabling" : "Omitting", | |
2471 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2472 | |
3280af22 | 2473 | if (!PL_restartop) { |
81d86705 NC |
2474 | #ifdef PERL_MAD |
2475 | if (PL_xmlfp) { | |
2476 | xmldump_all(); | |
2477 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2478 | } | |
2479 | #endif | |
cf2782cd | 2480 | #ifdef DEBUGGING |
f0e3f042 CS |
2481 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2482 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2483 | if (!DEBUG_q_TEST) |
2484 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2485 | #endif |
6224f72b | 2486 | |
3280af22 | 2487 | if (PL_minus_c) { |
bf49b057 | 2488 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2489 | my_exit(0); |
2490 | } | |
3280af22 | 2491 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2492 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad | 2493 | if (PL_initav) { |
ca7b837b | 2494 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2495 | call_list(oldscope, PL_initav); |
9ebf26ad | 2496 | } |
f1fac472 | 2497 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2498 | if (PL_main_root && PL_main_root->op_slabbed) |
2499 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2500 | #endif |
6224f72b GS |
2501 | } |
2502 | ||
2503 | /* do it */ | |
2504 | ||
ca7b837b | 2505 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2506 | |
3280af22 | 2507 | if (PL_restartop) { |
febb3a6d | 2508 | PL_restartjmpenv = NULL; |
533c011a | 2509 | PL_op = PL_restartop; |
3280af22 | 2510 | PL_restartop = 0; |
cea2e8a9 | 2511 | CALLRUNOPS(aTHX); |
6224f72b | 2512 | } |
3280af22 NIS |
2513 | else if (PL_main_start) { |
2514 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2515 | PL_op = PL_main_start; |
cea2e8a9 | 2516 | CALLRUNOPS(aTHX); |
6224f72b | 2517 | } |
f6b3007c | 2518 | my_exit(0); |
118e2215 | 2519 | assert(0); /* NOTREACHED */ |
6224f72b GS |
2520 | } |
2521 | ||
954c1994 | 2522 | /* |
ccfc67b7 JH |
2523 | =head1 SV Manipulation Functions |
2524 | ||
954c1994 GS |
2525 | =for apidoc p||get_sv |
2526 | ||
64ace3f8 NC |
2527 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2528 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2529 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2530 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2531 | |
2532 | =cut | |
2533 | */ | |
2534 | ||
6224f72b | 2535 | SV* |
64ace3f8 | 2536 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2537 | { |
2538 | GV *gv; | |
7918f24d NC |
2539 | |
2540 | PERL_ARGS_ASSERT_GET_SV; | |
2541 | ||
64ace3f8 | 2542 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2543 | if (gv) |
2544 | return GvSV(gv); | |
a0714e2c | 2545 | return NULL; |
6224f72b GS |
2546 | } |
2547 | ||
954c1994 | 2548 | /* |
ccfc67b7 JH |
2549 | =head1 Array Manipulation Functions |
2550 | ||
954c1994 GS |
2551 | =for apidoc p||get_av |
2552 | ||
f0b90de1 SF |
2553 | Returns the AV of the specified Perl global or package array with the given |
2554 | name (so it won't work on lexical variables). C<flags> are passed | |
2555 | to C<gv_fetchpv>. If C<GV_ADD> is set and the | |
cbfd0a87 NC |
2556 | Perl variable does not exist then it will be created. If C<flags> is zero |
2557 | and the variable does not exist then NULL is returned. | |
954c1994 | 2558 | |
f0b90de1 SF |
2559 | Perl equivalent: C<@{"$name"}>. |
2560 | ||
954c1994 GS |
2561 | =cut |
2562 | */ | |
2563 | ||
6224f72b | 2564 | AV* |
cbfd0a87 | 2565 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2566 | { |
cbfd0a87 | 2567 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2568 | |
2569 | PERL_ARGS_ASSERT_GET_AV; | |
2570 | ||
cbfd0a87 | 2571 | if (flags) |
6224f72b GS |
2572 | return GvAVn(gv); |
2573 | if (gv) | |
2574 | return GvAV(gv); | |
7d49f689 | 2575 | return NULL; |
6224f72b GS |
2576 | } |
2577 | ||
954c1994 | 2578 | /* |
ccfc67b7 JH |
2579 | =head1 Hash Manipulation Functions |
2580 | ||
954c1994 GS |
2581 | =for apidoc p||get_hv |
2582 | ||
6673a63c NC |
2583 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2584 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2585 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2586 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2587 | |
2588 | =cut | |
2589 | */ | |
2590 | ||
6224f72b | 2591 | HV* |
6673a63c | 2592 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2593 | { |
6673a63c | 2594 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2595 | |
2596 | PERL_ARGS_ASSERT_GET_HV; | |
2597 | ||
6673a63c | 2598 | if (flags) |
a0d0e21e LW |
2599 | return GvHVn(gv); |
2600 | if (gv) | |
2601 | return GvHV(gv); | |
5c284bb0 | 2602 | return NULL; |
a0d0e21e LW |
2603 | } |
2604 | ||
954c1994 | 2605 | /* |
ccfc67b7 JH |
2606 | =head1 CV Manipulation Functions |
2607 | ||
780a5241 NC |
2608 | =for apidoc p||get_cvn_flags |
2609 | ||
2610 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2611 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2612 | exist then it will be declared (which has the same effect as saying | |
2613 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2614 | then NULL is returned. | |
2615 | ||
954c1994 GS |
2616 | =for apidoc p||get_cv |
2617 | ||
780a5241 | 2618 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2619 | |
2620 | =cut | |
2621 | */ | |
2622 | ||
a0d0e21e | 2623 | CV* |
780a5241 | 2624 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2625 | { |
780a5241 | 2626 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2627 | |
2628 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2629 | ||
334dda80 FC |
2630 | /* XXX this is probably not what they think they're getting. |
2631 | * It has the same effect as "sub name;", i.e. just a forward | |
2632 | * declaration! */ | |
780a5241 | 2633 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2634 | return newSTUB(gv,0); |
780a5241 | 2635 | } |
a0d0e21e | 2636 | if (gv) |
8ebc5c01 | 2637 | return GvCVu(gv); |
601f1833 | 2638 | return NULL; |
a0d0e21e LW |
2639 | } |
2640 | ||
2c67934f NC |
2641 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2642 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2643 | CV* |
2644 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2645 | { | |
7918f24d NC |
2646 | PERL_ARGS_ASSERT_GET_CV; |
2647 | ||
780a5241 NC |
2648 | return get_cvn_flags(name, strlen(name), flags); |
2649 | } | |
2650 | ||
79072805 LW |
2651 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2652 | ||
954c1994 | 2653 | /* |
ccfc67b7 JH |
2654 | |
2655 | =head1 Callback Functions | |
2656 | ||
954c1994 GS |
2657 | =for apidoc p||call_argv |
2658 | ||
f0b90de1 SF |
2659 | Performs a callback to the specified named and package-scoped Perl subroutine |
2660 | with C<argv> (a NULL-terminated array of strings) as arguments. See L<perlcall>. | |
2661 | ||
2662 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2663 | |
2664 | =cut | |
2665 | */ | |
2666 | ||
a0d0e21e | 2667 | I32 |
5aaab254 | 2668 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2669 | |
8ac85365 NIS |
2670 | /* See G_* flags in cop.h */ |
2671 | /* null terminated arg list */ | |
8990e307 | 2672 | { |
97aff369 | 2673 | dVAR; |
a0d0e21e | 2674 | dSP; |
8990e307 | 2675 | |
7918f24d NC |
2676 | PERL_ARGS_ASSERT_CALL_ARGV; |
2677 | ||
924508f0 | 2678 | PUSHMARK(SP); |
a0d0e21e | 2679 | if (argv) { |
8990e307 | 2680 | while (*argv) { |
6e449a3a | 2681 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2682 | argv++; |
2683 | } | |
a0d0e21e | 2684 | PUTBACK; |
8990e307 | 2685 | } |
864dbfa3 | 2686 | return call_pv(sub_name, flags); |
8990e307 LW |
2687 | } |
2688 | ||
954c1994 GS |
2689 | /* |
2690 | =for apidoc p||call_pv | |
2691 | ||
2692 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2693 | ||
2694 | =cut | |
2695 | */ | |
2696 | ||
a0d0e21e | 2697 | I32 |
864dbfa3 | 2698 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2699 | /* name of the subroutine */ |
2700 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2701 | { |
7918f24d NC |
2702 | PERL_ARGS_ASSERT_CALL_PV; |
2703 | ||
0da0e728 | 2704 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2705 | } |
2706 | ||
954c1994 GS |
2707 | /* |
2708 | =for apidoc p||call_method | |
2709 | ||
2710 | Performs a callback to the specified Perl method. The blessed object must | |
2711 | be on the stack. See L<perlcall>. | |
2712 | ||
2713 | =cut | |
2714 | */ | |
2715 | ||
a0d0e21e | 2716 | I32 |
864dbfa3 | 2717 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2718 | /* name of the subroutine */ |
2719 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2720 | { |
46ca9bac | 2721 | STRLEN len; |
c106c2be | 2722 | SV* sv; |
7918f24d NC |
2723 | PERL_ARGS_ASSERT_CALL_METHOD; |
2724 | ||
46ca9bac | 2725 | len = strlen(methname); |
c106c2be RZ |
2726 | sv = flags & G_METHOD_NAMED |
2727 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2728 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2729 | |
c106c2be | 2730 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2731 | } |
2732 | ||
2733 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2734 | /* |
2735 | =for apidoc p||call_sv | |
2736 | ||
2737 | Performs a callback to the Perl sub whose name is in the SV. See | |
2738 | L<perlcall>. | |
2739 | ||
2740 | =cut | |
2741 | */ | |
2742 | ||
a0d0e21e | 2743 | I32 |
001d637e | 2744 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2745 | /* See G_* flags in cop.h */ |
a0d0e21e | 2746 | { |
27da23d5 | 2747 | dVAR; dSP; |
a0d0e21e | 2748 | LOGOP myop; /* fake syntax tree node */ |
c106c2be RZ |
2749 | UNOP method_unop; |
2750 | SVOP method_svop; | |
aa689395 | 2751 | I32 oldmark; |
8ea43dc8 | 2752 | VOL I32 retval = 0; |
a0d0e21e | 2753 | I32 oldscope; |
54310121 | 2754 | bool oldcatch = CATCH_GET; |
6224f72b | 2755 | int ret; |
c4420975 | 2756 | OP* const oldop = PL_op; |
db36c5a1 | 2757 | dJMPENV; |
1e422769 | 2758 | |
7918f24d NC |
2759 | PERL_ARGS_ASSERT_CALL_SV; |
2760 | ||
a0d0e21e LW |
2761 | if (flags & G_DISCARD) { |
2762 | ENTER; | |
2763 | SAVETMPS; | |
2764 | } | |
2f8edad0 NC |
2765 | if (!(flags & G_WANT)) { |
2766 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2767 | */ | |
2768 | flags |= G_SCALAR; | |
2769 | } | |
a0d0e21e | 2770 | |
aa689395 | 2771 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2772 | if (!(flags & G_NOARGS)) |
aa689395 | 2773 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2774 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2775 | SAVEOP(); |
533c011a | 2776 | PL_op = (OP*)&myop; |
aa689395 | 2777 | |
3280af22 | 2778 | EXTEND(PL_stack_sp, 1); |
c106c2be RZ |
2779 | if (!(flags & G_METHOD_NAMED)) |
2780 | *++PL_stack_sp = sv; | |
aa689395 | 2781 | oldmark = TOPMARK; |
3280af22 | 2782 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2783 | |
3280af22 | 2784 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2785 | /* Handle first BEGIN of -d. */ |
3280af22 | 2786 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2787 | /* Try harder, since this may have been a sighandler, thus |
2788 | * curstash may be meaningless. */ | |
ea726b52 | 2789 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2790 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2791 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2792 | |
c106c2be RZ |
2793 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
2794 | if ( flags & G_METHOD_NAMED ) { | |
2795 | Zero(&method_svop, 1, SVOP); | |
2796 | method_svop.op_next = (OP*)&myop; | |
2797 | method_svop.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; | |
2798 | method_svop.op_type = OP_METHOD_NAMED; | |
2799 | method_svop.op_sv = sv; | |
2800 | PL_op = (OP*)&method_svop; | |
2801 | } else { | |
2802 | Zero(&method_unop, 1, UNOP); | |
2803 | method_unop.op_next = (OP*)&myop; | |
2804 | method_unop.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
2805 | method_unop.op_type = OP_METHOD; | |
2806 | PL_op = (OP*)&method_unop; | |
2807 | } | |
2808 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2809 | myop.op_type = OP_ENTERSUB; | |
2810 | ||
968b3946 GS |
2811 | } |
2812 | ||
312caa8e | 2813 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2814 | CATCH_SET(TRUE); |
d6f07c05 | 2815 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2816 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2817 | CATCH_SET(oldcatch); |
312caa8e CS |
2818 | } |
2819 | else { | |
d78bda3d | 2820 | myop.op_other = (OP*)&myop; |
3280af22 | 2821 | PL_markstack_ptr--; |
edb2152a | 2822 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2823 | PL_markstack_ptr++; |
a0d0e21e | 2824 | |
14dd3ad8 | 2825 | JMPENV_PUSH(ret); |
edb2152a | 2826 | |
6224f72b GS |
2827 | switch (ret) { |
2828 | case 0: | |
14dd3ad8 | 2829 | redo_body: |
d6f07c05 | 2830 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2831 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2832 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2833 | CLEAR_ERRSV(); |
8433848b | 2834 | } |
a0d0e21e | 2835 | break; |
6224f72b | 2836 | case 1: |
f86702cc | 2837 | STATUS_ALL_FAILURE; |
a0d0e21e | 2838 | /* FALL THROUGH */ |
6224f72b | 2839 | case 2: |
a0d0e21e | 2840 | /* my_exit() was called */ |
03d9f026 | 2841 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2842 | FREETMPS; |
14dd3ad8 | 2843 | JMPENV_POP; |
f86702cc | 2844 | my_exit_jump(); |
118e2215 | 2845 | assert(0); /* NOTREACHED */ |
6224f72b | 2846 | case 3: |
3280af22 | 2847 | if (PL_restartop) { |
febb3a6d | 2848 | PL_restartjmpenv = NULL; |
533c011a | 2849 | PL_op = PL_restartop; |
3280af22 | 2850 | PL_restartop = 0; |
312caa8e | 2851 | goto redo_body; |
a0d0e21e | 2852 | } |
3280af22 | 2853 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2854 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2855 | retval = 0; |
2856 | else { | |
2857 | retval = 1; | |
3280af22 | 2858 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2859 | } |
312caa8e | 2860 | break; |
a0d0e21e | 2861 | } |
a0d0e21e | 2862 | |
edb2152a NC |
2863 | if (PL_scopestack_ix > oldscope) |
2864 | delete_eval_scope(); | |
14dd3ad8 | 2865 | JMPENV_POP; |
a0d0e21e | 2866 | } |
1e422769 | 2867 | |
a0d0e21e | 2868 | if (flags & G_DISCARD) { |
3280af22 | 2869 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2870 | retval = 0; |
2871 | FREETMPS; | |
2872 | LEAVE; | |
2873 | } | |
533c011a | 2874 | PL_op = oldop; |
a0d0e21e LW |
2875 | return retval; |
2876 | } | |
2877 | ||
6e72f9df | 2878 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2879 | |
954c1994 GS |
2880 | /* |
2881 | =for apidoc p||eval_sv | |
2882 | ||
be064c4a DM |
2883 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2884 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2885 | |
2886 | =cut | |
2887 | */ | |
2888 | ||
a0d0e21e | 2889 | I32 |
864dbfa3 | 2890 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2891 | |
8ac85365 | 2892 | /* See G_* flags in cop.h */ |
a0d0e21e | 2893 | { |
97aff369 | 2894 | dVAR; |
924508f0 | 2895 | dSP; |
a0d0e21e | 2896 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2897 | VOL I32 oldmark = SP - PL_stack_base; |
2898 | VOL I32 retval = 0; | |
6224f72b | 2899 | int ret; |
c4420975 | 2900 | OP* const oldop = PL_op; |
db36c5a1 | 2901 | dJMPENV; |
84902520 | 2902 | |
7918f24d NC |
2903 | PERL_ARGS_ASSERT_EVAL_SV; |
2904 | ||
4633a7c4 LW |
2905 | if (flags & G_DISCARD) { |
2906 | ENTER; | |
2907 | SAVETMPS; | |
2908 | } | |
2909 | ||
462e5cf6 | 2910 | SAVEOP(); |
533c011a | 2911 | PL_op = (OP*)&myop; |
5ff48db8 | 2912 | Zero(&myop, 1, UNOP); |
3280af22 NIS |
2913 | EXTEND(PL_stack_sp, 1); |
2914 | *++PL_stack_sp = sv; | |
79072805 | 2915 | |
4633a7c4 LW |
2916 | if (!(flags & G_NOARGS)) |
2917 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2918 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2919 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2920 | if (flags & G_KEEPERR) |
2921 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2922 | |
2923 | if (flags & G_RE_REPARSING) | |
2924 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2925 | |
dedbcade DM |
2926 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2927 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2928 | TAINT_PROPER("eval_sv()"); | |
2929 | ||
14dd3ad8 | 2930 | JMPENV_PUSH(ret); |
6224f72b GS |
2931 | switch (ret) { |
2932 | case 0: | |
14dd3ad8 | 2933 | redo_body: |
2ba65d5f DM |
2934 | if (PL_op == (OP*)(&myop)) { |
2935 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2936 | if (!PL_op) | |
2937 | goto fail; /* failed in compilation */ | |
2938 | } | |
4aca2f62 | 2939 | CALLRUNOPS(aTHX); |
312caa8e | 2940 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2941 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2942 | CLEAR_ERRSV(); |
8433848b | 2943 | } |
4633a7c4 | 2944 | break; |
6224f72b | 2945 | case 1: |
f86702cc | 2946 | STATUS_ALL_FAILURE; |
4633a7c4 | 2947 | /* FALL THROUGH */ |
6224f72b | 2948 | case 2: |
4633a7c4 | 2949 | /* my_exit() was called */ |
03d9f026 | 2950 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2951 | FREETMPS; |
14dd3ad8 | 2952 | JMPENV_POP; |
f86702cc | 2953 | my_exit_jump(); |
118e2215 | 2954 | assert(0); /* NOTREACHED */ |
6224f72b | 2955 | case 3: |
3280af22 | 2956 | if (PL_restartop) { |
febb3a6d | 2957 | PL_restartjmpenv = NULL; |
533c011a | 2958 | PL_op = PL_restartop; |
3280af22 | 2959 | PL_restartop = 0; |
312caa8e | 2960 | goto redo_body; |
4633a7c4 | 2961 | } |
4aca2f62 | 2962 | fail: |
3280af22 | 2963 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2964 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2965 | retval = 0; |
2966 | else { | |
2967 | retval = 1; | |
3280af22 | 2968 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2969 | } |
312caa8e | 2970 | break; |
4633a7c4 LW |
2971 | } |
2972 | ||
14dd3ad8 | 2973 | JMPENV_POP; |
4633a7c4 | 2974 | if (flags & G_DISCARD) { |
3280af22 | 2975 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2976 | retval = 0; |
2977 | FREETMPS; | |
2978 | LEAVE; | |
2979 | } | |
533c011a | 2980 | PL_op = oldop; |
4633a7c4 LW |
2981 | return retval; |
2982 | } | |
2983 | ||
954c1994 GS |
2984 | /* |
2985 | =for apidoc p||eval_pv | |
2986 | ||
2987 | Tells Perl to C<eval> the given string and return an SV* result. | |
2988 | ||
2989 | =cut | |
2990 | */ | |
2991 | ||
137443ea | 2992 | SV* |
864dbfa3 | 2993 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2994 | { |
97aff369 | 2995 | dVAR; |
137443ea | 2996 | SV* sv = newSVpv(p, 0); |
2997 | ||
7918f24d NC |
2998 | PERL_ARGS_ASSERT_EVAL_PV; |
2999 | ||
864dbfa3 | 3000 | eval_sv(sv, G_SCALAR); |
137443ea | 3001 | SvREFCNT_dec(sv); |
3002 | ||
ed1786ad DD |
3003 | { |
3004 | dSP; | |
3005 | sv = POPs; | |
3006 | PUTBACK; | |
3007 | } | |
137443ea | 3008 | |
eed484f9 DD |
3009 | /* just check empty string or undef? */ |
3010 | if (croak_on_error) { | |
3011 | SV * const errsv = ERRSV; | |
3012 | if(SvTRUE_NN(errsv)) | |
3013 | /* replace with croak_sv? */ | |
3014 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3015 | } |
137443ea | 3016 | |
3017 | return sv; | |
3018 | } | |
3019 | ||
4633a7c4 LW |
3020 | /* Require a module. */ |
3021 | ||
954c1994 | 3022 | /* |
ccfc67b7 JH |
3023 | =head1 Embedding Functions |
3024 | ||
954c1994 GS |
3025 | =for apidoc p||require_pv |
3026 | ||
7d3fb230 BS |
3027 | Tells Perl to C<require> the file named by the string argument. It is |
3028 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3029 | implemented that way; consider using load_module instead. |
954c1994 | 3030 | |
7d3fb230 | 3031 | =cut */ |
954c1994 | 3032 | |
4633a7c4 | 3033 | void |
864dbfa3 | 3034 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3035 | { |
97aff369 | 3036 | dVAR; |
d3acc0f7 | 3037 | dSP; |
97aff369 | 3038 | SV* sv; |
7918f24d NC |
3039 | |
3040 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3041 | ||
e788e7d3 | 3042 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 3043 | PUTBACK; |
be41e5d9 NC |
3044 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3045 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
3046 | SPAGAIN; |
3047 | POPSTACK; | |
79072805 LW |
3048 | } |
3049 | ||
76e3520e | 3050 | STATIC void |
b6f82619 | 3051 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3052 | { |
ab821d7f | 3053 | /* This message really ought to be max 23 lines. |
75c72d73 | 3054 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3055 | |
1566c39d NC |
3056 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3057 | minimum of 509 character string literals. */ | |
27da23d5 | 3058 | static const char * const usage_msg[] = { |
1566c39d NC |
3059 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3060 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3061 | " -C[number/list] enables the listed Unicode features\n" | |
3062 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3063 | " -d[:debugger] run program under debugger\n" | |
3064 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3065 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3066 | " -E program like -e, but enables all optional features\n" | |
3067 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3068 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3069 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3070 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3071 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3072 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3073 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3074 | " -p assume loop like -n but print line also, like sed\n" | |
3075 | " -s enable rudimentary parsing for switches after programfile\n" | |
3076 | " -S look for programfile using PATH environment variable\n", | |
3077 | " -t enable tainting warnings\n" | |
3078 | " -T enable tainting checks\n" | |
3079 | " -u dump core after parsing program\n" | |
3080 | " -U allow unsafe operations\n" | |
3081 | " -v print version, patchlevel and license\n" | |
3082 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3083 | " -w enable many useful warnings\n" |
1566c39d NC |
3084 | " -W enable all warnings\n" |
3085 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3086 | " -X disable all warnings\n" | |
3087 | " \n" | |
3088 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3089 | NULL |
3090 | }; | |
27da23d5 | 3091 | const char * const *p = usage_msg; |
1566c39d | 3092 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3093 | |
1566c39d NC |
3094 | PerlIO_printf(out, |
3095 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3096 | PL_origargv[0]); |
fb73857a | 3097 | while (*p) |
1566c39d | 3098 | PerlIO_puts(out, *p++); |
b6f82619 | 3099 | my_exit(0); |
4633a7c4 LW |
3100 | } |
3101 | ||
b4ab917c DM |
3102 | /* convert a string of -D options (or digits) into an int. |
3103 | * sets *s to point to the char after the options */ | |
3104 | ||
3105 | #ifdef DEBUGGING | |
3106 | int | |
e1ec3a88 | 3107 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3108 | { |
27da23d5 | 3109 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3110 | " Debugging flag values: (see also -d)\n" |
3111 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3112 | " s Stack snapshots (with v, displays all stacks)\n" | |
3113 | " l Context (loop) stack processing\n" | |
3114 | " t Trace execution\n" | |
3115 | " o Method and overloading resolution\n", | |
3116 | " c String/numeric conversions\n" | |
3117 | " P Print profiling info, source file input state\n" | |
3118 | " m Memory and SV allocation\n" | |
3119 | " f Format processing\n" | |
3120 | " r Regular expression parsing and execution\n" | |
3121 | " x Syntax tree dump\n", | |
3122 | " u Tainting checks\n" | |
3123 | " H Hash dump -- usurps values()\n" | |
3124 | " X Scratchpad allocation\n" | |
3125 | " D Cleaning up\n" | |
56967202 | 3126 | " S Op slab allocation\n" |
651b8f1a NC |
3127 | " T Tokenising\n" |
3128 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3129 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3130 | " v Verbose: use in conjunction with other flags\n" | |
3131 | " C Copy On Write\n" | |
3132 | " A Consistency checks on internal structures\n" | |
3133 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3134 | " M trace smart match resolution\n" | |
3135 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
3136 | NULL |
3137 | }; | |
b4ab917c | 3138 | int i = 0; |
7918f24d NC |
3139 | |
3140 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3141 | ||
b4ab917c DM |
3142 | if (isALPHA(**s)) { |
3143 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 3144 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c | 3145 | |
0eb30aeb | 3146 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3147 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
3148 | if (d) |
3149 | i |= 1 << (d - debopts); | |
3150 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
3151 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3152 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3153 | } |
3154 | } | |
e6e64d9b | 3155 | else if (isDIGIT(**s)) { |
b4ab917c | 3156 | i = atoi(*s); |
0eb30aeb | 3157 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3158 | } |
ddcf8bc1 | 3159 | else if (givehelp) { |
06e869a4 | 3160 | const char *const *p = usage_msgd; |
651b8f1a | 3161 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3162 | } |
b4ab917c DM |
3163 | # ifdef EBCDIC |
3164 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
3165 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
3166 | "-Dp not implemented on this platform\n"); | |
3167 | # endif | |
3168 | return i; | |
3169 | } | |
3170 | #endif | |
3171 | ||
79072805 LW |
3172 | /* This routine handles any switches that can be given during run */ |
3173 | ||
c7030b81 NC |
3174 | const char * |
3175 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3176 | { |
27da23d5 | 3177 | dVAR; |
84c133a0 | 3178 | UV rschar; |
0544e6df | 3179 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3180 | |
7918f24d NC |
3181 | PERL_ARGS_ASSERT_MORESWITCHES; |
3182 | ||
79072805 LW |
3183 | switch (*s) { |
3184 | case '0': | |
a863c7d1 | 3185 | { |
f2095865 | 3186 | I32 flags = 0; |
a3b680e6 | 3187 | STRLEN numlen; |
f2095865 JH |
3188 | |
3189 | SvREFCNT_dec(PL_rs); | |
3190 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3191 | const char *e = s+=2; |
f2095865 JH |
3192 | U8 *tmps; |
3193 | ||
a3b680e6 AL |
3194 | while (*e) |
3195 | e++; | |
f2095865 JH |
3196 | numlen = e - s; |
3197 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3198 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3199 | if (s + numlen < e) { | |
3200 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3201 | numlen = 0; | |
3202 | s--; | |
3203 | } | |
396482e1 | 3204 | PL_rs = newSVpvs(""); |
c5661c80 | 3205 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3206 | tmps = (U8*)SvPVX(PL_rs); |
3207 | uvchr_to_utf8(tmps, rschar); | |
3208 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3209 | SvUTF8_on(PL_rs); | |
3210 | } | |
3211 | else { | |
3212 | numlen = 4; | |
3213 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3214 | if (rschar & ~((U8)~0)) | |
3215 | PL_rs = &PL_sv_undef; | |
3216 | else if (!rschar && numlen >= 2) | |
396482e1 | 3217 | PL_rs = newSVpvs(""); |
f2095865 JH |
3218 | else { |
3219 | char ch = (char)rschar; | |
3220 | PL_rs = newSVpvn(&ch, 1); | |
3221 | } | |
3222 | } | |
64ace3f8 | 3223 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3224 | return s + numlen; |
a863c7d1 | 3225 | } |
46487f74 | 3226 | case 'C': |
a05d7ebb | 3227 | s++; |
dd374669 | 3228 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3229 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3230 | PL_utf8cache = -1; | |
46487f74 | 3231 | return s; |
2304df62 | 3232 | case 'F': |
5fc691f1 | 3233 | PL_minus_a = TRUE; |
3280af22 | 3234 | PL_minus_F = TRUE; |
24ffa309 | 3235 | PL_minus_n = TRUE; |
ebce5377 RGS |
3236 | PL_splitstr = ++s; |
3237 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3238 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3239 | return s; |
79072805 | 3240 | case 'a': |
3280af22 | 3241 | PL_minus_a = TRUE; |
24ffa309 | 3242 | PL_minus_n = TRUE; |
79072805 LW |
3243 | s++; |
3244 | return s; | |
3245 | case 'c': | |
3280af22 | 3246 | PL_minus_c = TRUE; |
79072805 LW |
3247 | s++; |
3248 | return s; | |
3249 | case 'd': | |
f20b2998 | 3250 | forbid_setid('d', FALSE); |
4633a7c4 | 3251 | s++; |
2cbb2ee1 RGS |
3252 | |
3253 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3254 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3255 | ++s; |
3256 | my_setenv("PERL5DB_THREADED", "1"); | |
3257 | } | |
3258 | ||
70c94a19 RR |
3259 | /* The following permits -d:Mod to accepts arguments following an = |
3260 | in the fashion that -MSome::Mod does. */ | |
3261 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3262 | const char *start; |
3263 | const char *end; | |
3264 | SV *sv; | |
3265 | ||
3266 | if (*++s == '-') { | |
3267 | ++s; | |
3268 | sv = newSVpvs("no Devel::"); | |
3269 | } else { | |
3270 | sv = newSVpvs("use Devel::"); | |
3271 | } | |
3272 | ||
3273 | start = s; | |
3274 | end = s + strlen(s); | |
f85893a1 | 3275 | |
b19934fb | 3276 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3277 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3278 | if (*s != '=') |
f85893a1 | 3279 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3280 | else { |
3281 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3282 | /* Don't use NUL as q// delimiter here, this string goes in the |
3283 | * environment. */ | |
3284 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3285 | } |
f85893a1 | 3286 | s = end; |
184f32ec | 3287 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3288 | SvREFCNT_dec(sv); |
4633a7c4 | 3289 | } |
ed094faf | 3290 | if (!PL_perldb) { |
3280af22 | 3291 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3292 | init_debugger(); |
ed094faf | 3293 | } |
79072805 LW |
3294 | return s; |
3295 | case 'D': | |
0453d815 | 3296 | { |
79072805 | 3297 | #ifdef DEBUGGING |
f20b2998 | 3298 | forbid_setid('D', FALSE); |
b4ab917c | 3299 | s++; |
dd374669 | 3300 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3301 | #else /* !DEBUGGING */ |
0453d815 | 3302 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3303 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3304 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3305 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3306 | #endif |
79072805 | 3307 | return s; |
0453d815 | 3308 | } |
4633a7c4 | 3309 | case 'h': |
b6f82619 | 3310 | usage(); |
79072805 | 3311 | case 'i': |
43c5f42d | 3312 | Safefree(PL_inplace); |
c030f24b GH |
3313 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3314 | if (*(s+1) == '\0') { | |
c86a4f2e | 3315 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3316 | return s+1; |
3317 | } | |
3318 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3319 | { |
d4c19fe8 | 3320 | const char * const start = ++s; |
5ef5d758 NC |
3321 | while (*s && !isSPACE(*s)) |
3322 | ++s; | |
3323 | ||
3324 | PL_inplace = savepvn(start, s - start); | |
3325 | } | |
7b8d334a | 3326 | if (*s) { |
5ef5d758 | 3327 | ++s; |
7b8d334a | 3328 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3329 | s++; |
7b8d334a | 3330 | } |
fb73857a | 3331 | return s; |
4e49a025 | 3332 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3333 | forbid_setid('I', FALSE); |
fb73857a | 3334 | ++s; |
3335 | while (*s && isSPACE(*s)) | |
3336 | ++s; | |
3337 | if (*s) { | |
c7030b81 | 3338 | const char *e, *p; |
0df16ed7 GS |
3339 | p = s; |
3340 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3341 | do { | |
3342 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3343 | p = e; | |
3344 | while (isSPACE(*p)) | |
3345 | p++; | |
3346 | } while (*p && *p != '-'); | |
55b4bc1c | 3347 | incpush(s, e-s, |
e28f3139 | 3348 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3349 | s = p; |
3350 | if (*s == '-') | |
3351 | s++; | |
79072805 LW |
3352 | } |
3353 | else | |
a67e862a | 3354 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3355 | return s; |
79072805 | 3356 | case 'l': |
3280af22 | 3357 | PL_minus_l = TRUE; |
79072805 | 3358 | s++; |
7889fe52 NIS |
3359 | if (PL_ors_sv) { |
3360 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3361 | PL_ors_sv = NULL; |
7889fe52 | 3362 | } |
79072805 | 3363 | if (isDIGIT(*s)) { |
53305cf1 | 3364 | I32 flags = 0; |
a3b680e6 | 3365 | STRLEN numlen; |
396482e1 | 3366 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3367 | numlen = 3 + (*s == '0'); |
3368 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3369 | s += numlen; |
3370 | } | |
3371 | else { | |
8bfdd7d9 | 3372 | if (RsPARA(PL_rs)) { |
396482e1 | 3373 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3374 | } |
3375 | else { | |
8bfdd7d9 | 3376 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3377 | } |
79072805 LW |
3378 | } |
3379 | return s; | |
1a30305b | 3380 | case 'M': |
f20b2998 | 3381 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3382 | /* FALL THROUGH */ |
3383 | case 'm': | |
f20b2998 | 3384 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3385 | if (*++s) { |
c7030b81 | 3386 | const char *start; |
b64cb68c | 3387 | const char *end; |
11343788 | 3388 | SV *sv; |
e1ec3a88 | 3389 | const char *use = "use "; |
0544e6df | 3390 | bool colon = FALSE; |
a5f75d66 | 3391 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3392 | /* Leading space on " no " is deliberate, to make both |
3393 | possibilities the same length. */ | |
3394 | if (*s == '-') { use = " no "; ++s; } | |
3395 | sv = newSVpvn(use,4); | |
a5f75d66 | 3396 | start = s; |
1a30305b | 3397 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3398 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3399 | if( *s++ == ':' ) { |
3400 | if( *s == ':' ) | |
3401 | s++; | |
3402 | else | |
3403 | colon = TRUE; | |
3404 | } | |
3405 | } | |
3406 | if (s == start) | |
3407 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3408 | option); | |
3409 | if (colon) | |
3410 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3411 | "contains single ':'", | |
63da6837 | 3412 | (int)(s - start), start, option); |
b64cb68c | 3413 | end = s + strlen(s); |
c07a80fd | 3414 | if (*s != '=') { |
b64cb68c | 3415 | sv_catpvn(sv, start, end - start); |
0544e6df | 3416 | if (option == 'm') { |
c07a80fd | 3417 | if (*s != '\0') |
cea2e8a9 | 3418 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3419 | sv_catpvs( sv, " ()"); |
c07a80fd | 3420 | } |
3421 | } else { | |
11343788 | 3422 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3423 | /* Use NUL as q''-delimiter. */ |
3424 | sv_catpvs(sv, " split(/,/,q\0"); | |
3425 | ++s; | |
3426 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3427 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3428 | } |
b64cb68c | 3429 | s = end; |
29a861e7 | 3430 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3431 | } |
3432 | else | |
0544e6df | 3433 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3434 | return s; |
79072805 | 3435 | case 'n': |
3280af22 | 3436 | PL_minus_n = TRUE; |
79072805 LW |
3437 | s++; |
3438 | return s; | |
3439 | case 'p': | |
3280af22 | 3440 | PL_minus_p = TRUE; |
79072805 LW |
3441 | s++; |
3442 | return s; | |
3443 | case 's': | |
f20b2998 | 3444 | forbid_setid('s', FALSE); |
3280af22 | 3445 | PL_doswitches = TRUE; |
79072805 LW |
3446 | s++; |
3447 | return s; | |
6537fe72 | 3448 | case 't': |
27a6968b | 3449 | case 'T': |
284167a5 S |
3450 | #if SILENT_NO_TAINT_SUPPORT |
3451 | /* silently ignore */ | |
3452 | #elif NO_TAINT_SUPPORT | |
3231f579 | 3453 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3454 | "Cowardly refusing to run with -t or -T flags"); |
3455 | #else | |
3456 | if (!TAINTING_get) | |
27a6968b | 3457 | TOO_LATE_FOR(*s); |
284167a5 | 3458 | #endif |
6537fe72 | 3459 | s++; |
463ee0b2 | 3460 | return s; |
79072805 | 3461 | case 'u': |
3280af22 | 3462 | PL_do_undump = TRUE; |
79072805 LW |
3463 | s++; |
3464 | return s; | |
3465 | case 'U': | |
3280af22 | 3466 | PL_unsafe = TRUE; |
79072805 LW |
3467 | s++; |
3468 | return s; | |
3469 | case 'v': | |
c4bc78d9 NC |
3470 | minus_v(); |
3471 | case 'w': | |
3472 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3473 | PL_dowarn |= G_WARN_ON; | |
3474 | } | |
3475 | s++; | |
3476 | return s; | |
3477 | case 'W': | |
3478 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3479 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3480 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3481 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3482 | s++; | |
3483 | return s; | |
3484 | case 'X': | |
3485 | PL_dowarn = G_WARN_ALL_OFF; | |
3486 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3487 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3488 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3489 | s++; | |
3490 | return s; | |
3491 | case '*': | |
3492 | case ' ': | |
3493 | while( *s == ' ' ) | |
3494 | ++s; | |
3495 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3496 | return s+1; | |
3497 | break; | |
3498 | case '-': | |
3499 | case 0: | |
3500 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3501 | case '\r': | |
3502 | #endif | |
3503 | case '\n': | |
3504 | case '\t': | |
3505 | break; | |
3506 | #ifdef ALTERNATE_SHEBANG | |
3507 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3508 | break; | |
3509 | #endif | |
4bb78d63 CB |
3510 | case 'e': case 'f': case 'x': case 'E': |
3511 | #ifndef ALTERNATE_SHEBANG | |
3512 | case 'S': | |
3513 | #endif | |
3514 | case 'V': | |
c4bc78d9 | 3515 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3516 | default: |
3517 | Perl_croak(aTHX_ | |
3518 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3519 | ); | |
c4bc78d9 NC |
3520 | } |
3521 | return NULL; | |
3522 | } | |
3523 | ||
3524 | ||
3525 | STATIC void | |
3526 | S_minus_v(pTHX) | |
3527 | { | |
fc3381af | 3528 | PerlIO * PIO_stdout; |
d7aa5382 | 3529 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3530 | upg_version(PL_patchlevel, TRUE); |
46807d8e YO |
3531 | { |
3532 | SV* level= vstringify(PL_patchlevel); | |
3533 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3534 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3535 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3536 | # else | |
3537 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3538 | # endif | |
fc3381af DD |
3539 | { |
3540 | STRLEN level_len, num_len; | |
3541 | char * level_str, * num_str; | |
3542 | num_str = SvPV(num, num_len); | |
3543 | level_str = SvPV(level, level_len); | |
3544 | if (num_len>=level_len && strnEQ(num_str,level_str,level_len)) { | |
3545 | SvREFCNT_dec(level); | |
3546 | level= num; | |
3547 | } else { | |
3548 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); | |
3549 | SvREFCNT_dec(num); | |
3550 | } | |
46807d8e YO |
3551 | } |
3552 | #endif | |
fc3381af DD |
3553 | PIO_stdout = PerlIO_stdout(); |
3554 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3555 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3556 | ", version " STRINGIFY(PERL_VERSION) | |
3557 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3558 | " (%"SVf") built for " ARCHNAME, level | |
3559 | ); | |
46807d8e YO |
3560 | SvREFCNT_dec(level); |
3561 | } | |
fb73857a | 3562 | #if defined(LOCAL_PATCH_COUNT) |
3563 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3564 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3565 | "\n(with %d registered patch%s, " |
3566 | "see perl -V for more detail)", | |
bb7a0f54 | 3567 | LOCAL_PATCH_COUNT, |
b0e47665 | 3568 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3569 | #endif |
1a30305b | 3570 | |
fc3381af | 3571 | PerlIO_printf(PIO_stdout, |
d907e2e9 | 3572 | "\n\nCopyright 1987-2013, Larry Wall\n"); |
79072805 | 3573 | #ifdef MSDOS |
fc3381af | 3574 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3575 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3576 | #endif |
3577 | #ifdef DJGPP | |
fc3381af | 3578 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3579 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3580 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3581 | #endif |
79072805 | 3582 | #ifdef OS2 |
fc3381af | 3583 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3584 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3585 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3586 | #endif |
9d116dd7 | 3587 | #ifdef OEMVS |
fc3381af | 3588 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3589 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3590 | #endif |
495c5fdc | 3591 | #ifdef __VOS__ |
fc3381af | 3592 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3593 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3594 | #endif |
a1a0e61e | 3595 | #ifdef POSIX_BC |
fc3381af | 3596 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3597 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3598 | #endif |
e1caacb4 | 3599 | #ifdef UNDER_CE |
fc3381af DD |
3600 | PerlIO_printf(PIO_stdout, |
3601 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3602 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3603 | wce_hitreturn(); |
3604 | #endif | |
a0fd4948 | 3605 | #ifdef __SYMBIAN32__ |
fc3381af | 3606 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3607 | "Symbian port by Nokia, 2004-2005\n"); |
3608 | #endif | |
baed7233 DL |
3609 | #ifdef BINARY_BUILD_NOTICE |
3610 | BINARY_BUILD_NOTICE; | |
3611 | #endif | |
fc3381af | 3612 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3613 | "\n\ |
79072805 | 3614 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3615 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3616 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3617 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3618 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3619 | my_exit(0); |
79072805 LW |
3620 | } |
3621 | ||
3622 | /* compliments of Tom Christiansen */ | |
3623 | ||
3624 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3625 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3626 | |
25bbd826 CB |
3627 | #ifdef VMS |
3628 | #include <lib$routines.h> | |
3629 | #endif | |
3630 | ||
79072805 | 3631 | void |
864dbfa3 | 3632 | Perl_my_unexec(pTHX) |
79072805 | 3633 | { |
b37c2d43 | 3634 | PERL_UNUSED_CONTEXT; |
79072805 | 3635 | #ifdef UNEXEC |
b37c2d43 AL |
3636 | SV * prog = newSVpv(BIN_EXP, 0); |
3637 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3638 | int status = 1; |
79072805 LW |
3639 | extern int etext; |
3640 | ||
396482e1 | 3641 | sv_catpvs(prog, "/perl"); |
396482e1 | 3642 | sv_catpvs(file, ".perldump"); |
79072805 | 3643 | |
ee580363 GS |
3644 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3645 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3646 | PerlProc_exit(status); |
79072805 | 3647 | #else |
a5f75d66 | 3648 | # ifdef VMS |
a5f75d66 | 3649 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 YO |
3650 | # elif defined(WIN32) || defined(__CYGWIN__) |
3651 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3652 | # else |
79072805 | 3653 | ABORT(); /* for use with undump */ |
aa689395 | 3654 | # endif |
a5f75d66 | 3655 | #endif |
79072805 LW |
3656 | } |
3657 | ||
cb68f92d GS |
3658 | /* initialize curinterp */ |
3659 | STATIC void | |
cea2e8a9 | 3660 | S_init_interp(pTHX) |
cb68f92d | 3661 | { |
97aff369 | 3662 | dVAR; |
acfe0abc | 3663 | #ifdef MULTIPLICITY |
115ff745 NC |
3664 | # define PERLVAR(prefix,var,type) |
3665 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3666 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3667 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3668 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3669 | # else |
115ff745 NC |
3670 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3671 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3672 | # endif |
acfe0abc | 3673 | # include "intrpvar.h" |
acfe0abc GS |
3674 | # undef PERLVAR |
3675 | # undef PERLVARA | |
3676 | # undef PERLVARI | |
3677 | # undef PERLVARIC | |
3678 | #else | |
115ff745 NC |
3679 | # define PERLVAR(prefix,var,type) |
3680 | # define PERLVARA(prefix,var,n,type) | |
3681 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3682 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3683 | # include "intrpvar.h" |
acfe0abc GS |
3684 | # undef PERLVAR |
3685 | # undef PERLVARA | |
3686 | # undef PERLVARI | |
3687 | # undef PERLVARIC | |
cb68f92d GS |
3688 | #endif |
3689 | ||
cb68f92d GS |
3690 | } |
3691 | ||
76e3520e | 3692 | STATIC void |
cea2e8a9 | 3693 | S_init_main_stash(pTHX) |
79072805 | 3694 | { |
97aff369 | 3695 | dVAR; |
463ee0b2 | 3696 | GV *gv; |
6e72f9df | 3697 | |
03d9f026 | 3698 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3699 | /* We know that the string "main" will be in the global shared string |
3700 | table, so it's a small saving to use it rather than allocate another | |
3701 | 8 bytes. */ | |
18916d0d | 3702 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3703 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3704 | /* If we hadn't caused another reference to "main" to be in the shared |
3705 | string table above, then it would be worth reordering these two, | |
3706 | because otherwise all we do is delete "main" from it as a consequence | |
3707 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3708 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3709 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3710 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3711 | SvREADONLY_on(gv); |
fafc274c NC |
3712 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3713 | SVt_PVAV))); | |
5a5094bd | 3714 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3715 | GvMULTI_on(PL_incgv); |
fafc274c | 3716 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3717 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3718 | GvMULTI_on(PL_hintgv); |
fafc274c | 3719 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3720 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3721 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3722 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3723 | GvMULTI_on(PL_errgv); |
fafc274c | 3724 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3725 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3726 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3727 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3728 | #ifdef PERL_DONT_CREATE_GVSV |
3729 | gv_SVadd(PL_errgv); | |
3730 | #endif | |
38a03e6e | 3731 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3732 | CLEAR_ERRSV(); |
03d9f026 | 3733 | SET_CURSTASH(PL_defstash); |
11faa288 | 3734 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3735 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3736 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3737 | SVt_PVHV)); | |
4633a7c4 | 3738 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3739 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3740 | } |
3741 | ||
8d113837 NC |
3742 | STATIC PerlIO * |
3743 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3744 | { |
fdf5d70d | 3745 | int fdscript = -1; |
8d113837 | 3746 | PerlIO *rsfp = NULL; |
27da23d5 | 3747 | dVAR; |
1dfef69b | 3748 | Stat_t tmpstatbuf; |
1b24ed4b | 3749 | |
7918f24d NC |
3750 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3751 | ||
3280af22 | 3752 | if (PL_e_script) { |
8afc33d6 | 3753 | PL_origfilename = savepvs("-e"); |
96436eeb | 3754 | } |
6c4ab083 GS |
3755 | else { |
3756 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3757 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3758 | |
3759 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3760 | const char *s = scriptname + 8; |
fdf5d70d | 3761 | fdscript = atoi(s); |
6c4ab083 GS |
3762 | while (isDIGIT(*s)) |
3763 | s++; | |
3764 | if (*s) { | |
ae3f3efd PS |
3765 | /* PSz 18 Feb 04 |
3766 | * Tell apart "normal" usage of fdscript, e.g. | |
3767 | * with bash on FreeBSD: | |
3768 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3769 | * from usage in suidperl. | |
3770 | * Does any "normal" usage leave garbage after the number??? | |
3771 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3772 | * suidperl? | |
3773 | */ | |
f20b2998 | 3774 | *suidscript = TRUE; |
ae3f3efd PS |
3775 | /* PSz 20 Feb 04 |
3776 | * Be supersafe and do some sanity-checks. | |
3777 | * Still, can we be sure we got the right thing? | |
3778 | */ | |
3779 | if (*s != '/') { | |
3780 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3781 | } | |
3782 | if (! *(s+1)) { | |
3783 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3784 | } | |
6c4ab083 | 3785 | scriptname = savepv(s + 1); |
3280af22 | 3786 | Safefree(PL_origfilename); |
dd374669 | 3787 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3788 | } |
3789 | } | |
3790 | } | |
3791 | ||
05ec9bb3 | 3792 | CopFILE_free(PL_curcop); |
57843af0 | 3793 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3794 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3795 | scriptname = (char *)""; |
fdf5d70d | 3796 | if (fdscript >= 0) { |
8d113837 | 3797 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3798 | } |
79072805 | 3799 | else if (!*scriptname) { |
cdd8118e | 3800 | forbid_setid(0, *suidscript); |
c0b3891a | 3801 | return NULL; |
79072805 | 3802 | } |
96436eeb | 3803 | else { |
9c12f1e5 RGS |
3804 | #ifdef FAKE_BIT_BUCKET |
3805 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3806 | * is called) and still have the "-e" work. (Believe it or not, | |
3807 | * a /dev/null is required for the "-e" to work because source | |
3808 | * filter magic is used to implement it. ) This is *not* a general | |
3809 | * replacement for a /dev/null. What we do here is create a temp | |
3810 | * file (an empty file), open up that as the script, and then | |
3811 | * immediately close and unlink it. Close enough for jazz. */ | |
3812 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3813 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3814 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3815 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3816 | FAKE_BIT_BUCKET_TEMPLATE | |
3817 | }; | |
3818 | const char * const err = "Failed to create a fake bit bucket"; | |
3819 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3820 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3821 | int tmpfd = mkstemp(tmpname); | |
3822 | if (tmpfd > -1) { | |
3823 | scriptname = tmpname; | |
3824 | close(tmpfd); | |
3825 | } else | |
3826 | Perl_croak(aTHX_ err); | |
3827 | #else | |
3828 | # ifdef HAS_MKTEMP | |
3829 | scriptname = mktemp(tmpname); | |
3830 | if (!scriptname) | |
3831 | Perl_croak(aTHX_ err); | |
3832 | # endif | |
3833 | #endif | |
3834 | } | |
3835 | #endif | |
8d113837 | 3836 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3837 | #ifdef FAKE_BIT_BUCKET |
3838 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3839 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3840 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3841 | unlink(scriptname); | |
3842 | } | |
3843 | scriptname = BIT_BUCKET; | |
3844 | #endif | |
96436eeb | 3845 | } |
8d113837 | 3846 | if (!rsfp) { |
447218f8 | 3847 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3848 | if (PL_e_script) |
3849 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3850 | else | |
3851 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3852 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3853 | } |
a7c81930 NC |
3854 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3855 | /* ensure close-on-exec */ | |
3856 | fcntl(PerlIO_fileno(rsfp), F_SETFD, 1); | |
3857 | #endif | |
1dfef69b RS |
3858 | |
3859 | if (PerlLIO_fstat(PerlIO_fileno(rsfp), &tmpstatbuf) >= 0 | |
3860 | && S_ISDIR(tmpstatbuf.st_mode)) | |
3861 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3862 | CopFILE(PL_curcop), | |
0c0d42ff | 3863 | Strerror(EISDIR)); |
1dfef69b | 3864 | |
8d113837 | 3865 | return rsfp; |
79072805 | 3866 | } |
8d063cd8 | 3867 | |
7b89560d JH |
3868 | /* Mention |
3869 | * I_SYSSTATVFS HAS_FSTATVFS | |
3870 | * I_SYSMOUNT | |
c890dc6c | 3871 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3872 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3873 | * here so that metaconfig picks them up. */ | |
3874 | ||
104d25b7 | 3875 | |
cc69b689 | 3876 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3877 | /* Don't even need this function. */ |
cc69b689 | 3878 | #else |
ec2019ad NC |
3879 | STATIC void |
3880 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3881 | { | |
dfff4baf BF |
3882 | const Uid_t my_uid = PerlProc_getuid(); |
3883 | const Uid_t my_euid = PerlProc_geteuid(); | |
3884 | const Gid_t my_gid = PerlProc_getgid(); | |
3885 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3886 | |
ac076a5c NC |
3887 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3888 | ||
985213f2 | 3889 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3890 | dVAR; |
3891 | ||
2f9285f8 | 3892 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
985213f2 | 3893 | if ((my_euid != my_uid && my_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3894 | || |
985213f2 | 3895 | (my_egid != my_gid && my_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3896 | ) |
b28d0864 | 3897 | if (!PL_do_undump) |
cea2e8a9 | 3898 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3899 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3900 | /* not set-id, must be wrapped */ |
a687059c | 3901 | } |
79072805 | 3902 | } |
cc69b689 | 3903 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3904 | |
76e3520e | 3905 | STATIC void |
2f9285f8 | 3906 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3907 | { |
97aff369 | 3908 | dVAR; |
c7030b81 | 3909 | const char *s; |
eb578fdb | 3910 | const char *s2; |
33b78306 | 3911 | |
7918f24d NC |
3912 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3913 | ||
33b78306 LW |
3914 | /* skip forward in input to the real script? */ |
3915 | ||
737c24fc | 3916 | do { |
2f9285f8 | 3917 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3918 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3919 | s2 = s; |
737c24fc Z |
3920 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3921 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3922 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3923 | s2 = s; | |
3924 | while (*s == ' ' || *s == '\t') s++; | |
3925 | if (*s++ == '-') { | |
3926 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3927 | || s2[-1] == '_') s2--; | |
3928 | if (strnEQ(s2-4,"perl",4)) | |
3929 | while ((s = moreswitches(s))) | |
3930 | ; | |
83025b21 LW |
3931 | } |
3932 | } | |
3933 | ||
afe37c7d | 3934 | |
76e3520e | 3935 | STATIC void |
cea2e8a9 | 3936 | S_init_ids(pTHX) |
352d5a3a | 3937 | { |
284167a5 S |
3938 | /* no need to do anything here any more if we don't |
3939 | * do tainting. */ | |
3940 | #if !NO_TAINT_SUPPORT | |
97aff369 | 3941 | dVAR; |
dfff4baf BF |
3942 | const Uid_t my_uid = PerlProc_getuid(); |
3943 | const Uid_t my_euid = PerlProc_geteuid(); | |
3944 | const Gid_t my_gid = PerlProc_getgid(); | |
3945 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3946 | |
22f7c9c9 | 3947 | /* Should not happen: */ |
985213f2 | 3948 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
3949 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
3950 | #endif | |
ae3f3efd PS |
3951 | /* BUG */ |
3952 | /* PSz 27 Feb 04 | |
3953 | * Should go by suidscript, not uid!=euid: why disallow | |
3954 | * system("ls") in scripts run from setuid things? | |
3955 | * Or, is this run before we check arguments and set suidscript? | |
3956 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3957 | * (We never have suidscript, can we be sure to have fdscript?) | |
3958 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3959 | */ | |
748a9306 | 3960 | } |
79072805 | 3961 | |
a0643315 JH |
3962 | /* This is used very early in the lifetime of the program, |
3963 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3964 | * not been initialized properly. */ |
af419de7 | 3965 | bool |
8f42b153 | 3966 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3967 | { |
c3446a78 JH |
3968 | #ifndef PERL_IMPLICIT_SYS |
3969 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3970 | * before we have an interpreter-- and the whole point of this | |
3971 | * function is to be called at such an early stage. If you are on | |
3972 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3973 | * "tainted because running with altered effective ids', you'll | |
3974 | * have to add your own checks somewhere in here. The two most | |
3975 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3976 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
3977 | Uid_t uid = PerlProc_getuid(); |
3978 | Uid_t euid = PerlProc_geteuid(); | |
3979 | Gid_t gid = PerlProc_getgid(); | |
3980 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 3981 | (void)envp; |
22f7c9c9 JH |
3982 | |
3983 | #ifdef VMS | |
af419de7 | 3984 | uid |= gid << 16; |
22f7c9c9 JH |
3985 | euid |= egid << 16; |
3986 | #endif | |
3987 | if (uid && (euid != uid || egid != gid)) | |
3988 | return 1; | |
c3446a78 | 3989 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3990 | /* This is a really primitive check; environment gets ignored only |
3991 | * if -T are the first chars together; otherwise one gets | |
3992 | * "Too late" message. */ | |
22f7c9c9 JH |
3993 | if ( argc > 1 && argv[1][0] == '-' |
3994 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3995 | return 1; | |
3996 | return 0; | |
3997 | } | |
22f7c9c9 | 3998 | |
d0bafe7e NC |
3999 | /* Passing the flag as a single char rather than a string is a slight space |
4000 | optimisation. The only message that isn't /^-.$/ is | |
4001 | "program input from stdin", which is substituted in place of '\0', which | |
4002 | could never be a command line flag. */ | |
76e3520e | 4003 | STATIC void |
f20b2998 | 4004 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 4005 | { |
97aff369 | 4006 | dVAR; |
d0bafe7e NC |
4007 | char string[3] = "-x"; |
4008 | const char *message = "program input from stdin"; | |
4009 | ||
4010 | if (flag) { | |
4011 | string[1] = flag; | |
4012 | message = string; | |
4013 | } | |
4014 | ||
ae3f3efd | 4015 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 4016 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 4017 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 4018 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 4019 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 4020 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 4021 | if (suidscript) |
d0bafe7e | 4022 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 4023 | } |
4024 | ||
1ee4443e | 4025 | void |
5b235299 NC |
4026 | Perl_init_dbargs(pTHX) |
4027 | { | |
4028 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
4029 | GV_ADDMULTI, | |
4030 | SVt_PVAV)))); | |
4031 | ||
4032 | if (AvREAL(args)) { | |
4033 | /* Someone has already created it. | |
4034 | It might have entries, and if we just turn off AvREAL(), they will | |
4035 | "leak" until global destruction. */ | |
4036 | av_clear(args); | |
3df49e2a | 4037 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 4038 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 4039 | } |
af80dd86 | 4040 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
4041 | } |
4042 | ||
4043 | void | |
1ee4443e | 4044 | Perl_init_debugger(pTHX) |
748a9306 | 4045 | { |
97aff369 | 4046 | dVAR; |
c4420975 | 4047 | HV * const ostash = PL_curstash; |
1ee4443e | 4048 | |
03d9f026 | 4049 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
4050 | |
4051 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
4052 | PL_DBgv = MUTABLE_GV( |
4053 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
4054 | ); | |
4055 | PL_DBline = MUTABLE_GV( | |
4056 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
4057 | ); | |
4058 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
4059 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
4060 | )); | |
5c1737d1 | 4061 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4062 | if (!SvIOK(PL_DBsingle)) |
4063 | sv_setiv(PL_DBsingle, 0); | |
5c1737d1 | 4064 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4065 | if (!SvIOK(PL_DBtrace)) |
4066 | sv_setiv(PL_DBtrace, 0); | |
5c1737d1 | 4067 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4068 | if (!SvIOK(PL_DBsignal)) |
4069 | sv_setiv(PL_DBsignal, 0); | |
03d9f026 | 4070 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 4071 | PL_curstash = ostash; |
352d5a3a LW |
4072 | } |
4073 | ||
2ce36478 SM |
4074 | #ifndef STRESS_REALLOC |
4075 | #define REASONABLE(size) (size) | |
4076 | #else | |
4077 | #define REASONABLE(size) (1) /* unreasonable */ | |
4078 | #endif | |
4079 | ||
11343788 | 4080 | void |
cea2e8a9 | 4081 | Perl_init_stacks(pTHX) |
79072805 | 4082 | { |
97aff369 | 4083 | dVAR; |
e336de0d | 4084 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4085 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4086 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4087 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4088 | PL_curstack = PL_curstackinfo->si_stack; | |
4089 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4090 | |
3280af22 NIS |
4091 | PL_stack_base = AvARRAY(PL_curstack); |
4092 | PL_stack_sp = PL_stack_base; | |
4093 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4094 | |
a02a5408 | 4095 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4096 | PL_tmps_floor = -1; |
4097 | PL_tmps_ix = -1; | |
4098 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4099 | |
a02a5408 | 4100 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4101 | PL_markstack_ptr = PL_markstack; |
4102 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4103 | |
ce2f7c3b | 4104 | SET_MARK_OFFSET; |
e336de0d | 4105 | |
a02a5408 | 4106 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4107 | #ifdef DEBUGGING |
4108 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4109 | #endif | |
3280af22 NIS |
4110 | PL_scopestack_ix = 0; |
4111 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4112 | |
a02a5408 | 4113 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
4114 | PL_savestack_ix = 0; |
4115 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 4116 | } |
33b78306 | 4117 | |
2ce36478 SM |
4118 | #undef REASONABLE |
4119 | ||
76e3520e | 4120 | STATIC void |
cea2e8a9 | 4121 | S_nuke_stacks(pTHX) |
6e72f9df | 4122 | { |
97aff369 | 4123 | dVAR; |
3280af22 NIS |
4124 | while (PL_curstackinfo->si_next) |
4125 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4126 | while (PL_curstackinfo) { | |
4127 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4128 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4129 | Safefree(PL_curstackinfo->si_cxstack); |
4130 | Safefree(PL_curstackinfo); | |
4131 | PL_curstackinfo = p; | |
e336de0d | 4132 | } |
3280af22 NIS |
4133 | Safefree(PL_tmps_stack); |
4134 | Safefree(PL_markstack); | |
4135 | Safefree(PL_scopestack); | |
58780814 GG |
4136 | #ifdef DEBUGGING |
4137 | Safefree(PL_scopestack_name); | |
4138 | #endif | |
3280af22 | 4139 | Safefree(PL_savestack); |
378cc40b | 4140 | } |
33b78306 | 4141 | |
74e8ce34 NC |
4142 | void |
4143 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4144 | { | |
4145 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4146 | AV *const isa = GvAVn(gv); | |
4147 | va_list args; | |
4148 | ||
4149 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4150 | ||
4151 | if(AvFILLp(isa) != -1) | |
4152 | return; | |
4153 | ||
4154 | /* NOTE: No support for tied ISA */ | |
4155 | ||
4156 | va_start(args, len); | |
4157 | do { | |
4158 | const char *const parent = va_arg(args, const char*); | |
4159 | size_t parent_len; | |
4160 | ||
4161 | if (!parent) | |
4162 | break; | |
4163 | parent_len = va_arg(args, size_t); | |
4164 | ||
4165 | /* Arguments are supplied with a trailing :: */ | |
4166 | assert(parent_len > 2); | |
4167 | assert(parent[parent_len - 1] == ':'); | |
4168 | assert(parent[parent_len - 2] == ':'); | |
4169 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4170 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4171 | } while (1); | |
4172 | va_end(args); | |
4173 | } | |
4174 | ||
8990e307 | 4175 | |
76e3520e | 4176 | STATIC void |
cea2e8a9 | 4177 | S_init_predump_symbols(pTHX) |
45d8adaa | 4178 | { |
97aff369 | 4179 | dVAR; |
93a17b20 | 4180 | GV *tmpgv; |
af8c498a | 4181 | IO *io; |
79072805 | 4182 | |
64ace3f8 | 4183 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4184 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4185 | ||
d963bf01 NC |
4186 | |
4187 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4188 | FileHandle was loaded, in which case they were blessed into | |
4189 | that. Action at a distance. | |
4190 | However, if we simply bless into IO::Handle, we break code | |
4191 | that assumes that PVIOs will have (among others) a seek | |
4192 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4193 | and provides the needed methods. But if we simply bless into | |
4194 | it, then we break code that assumed that by loading | |
4195 | IO::Handle, *it* would work. | |
4196 | So a compromise is to set up the correct @IO::File::ISA, | |
4197 | so that code that does C<use IO::Handle>; will still work. | |
4198 | */ | |
4199 | ||
74e8ce34 NC |
4200 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4201 | STR_WITH_LEN("IO::Handle::"), | |
4202 | STR_WITH_LEN("IO::Seekable::"), | |
4203 | STR_WITH_LEN("Exporter::"), | |
4204 | NULL); | |
d963bf01 | 4205 | |
fafc274c | 4206 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4207 | GvMULTI_on(PL_stdingv); |
af8c498a | 4208 | io = GvIOp(PL_stdingv); |
a04651f4 | 4209 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4210 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4211 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4212 | GvMULTI_on(tmpgv); |
a45c7426 | 4213 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4214 | |
fafc274c | 4215 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4216 | GvMULTI_on(tmpgv); |
af8c498a | 4217 | io = GvIOp(tmpgv); |
a04651f4 | 4218 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4219 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4220 | setdefout(tmpgv); |
fafc274c | 4221 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4222 | GvMULTI_on(tmpgv); |
a45c7426 | 4223 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4224 | |
fafc274c | 4225 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4226 | GvMULTI_on(PL_stderrgv); |
4227 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4228 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4229 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4230 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4231 | GvMULTI_on(tmpgv); |
a45c7426 | 4232 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4233 | |
de61bf2a | 4234 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4235 | } |
33b78306 | 4236 | |
a11ec5a9 | 4237 | void |
5aaab254 | 4238 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4239 | { |
97aff369 | 4240 | dVAR; |
7918f24d NC |
4241 | |
4242 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
4243 | ||
79072805 | 4244 | argc--,argv++; /* skip name of script */ |
3280af22 | 4245 | if (PL_doswitches) { |
79072805 | 4246 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4247 | char *s; |
79072805 LW |
4248 | if (!argv[0][1]) |
4249 | break; | |
379d538a | 4250 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4251 | argc--,argv++; |
4252 | break; | |
4253 | } | |
155aba94 | 4254 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4255 | const char *const start_name = argv[0] + 1; |
4256 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4257 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4258 | } |
4259 | else | |
71315bf2 | 4260 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4261 | } |
79072805 | 4262 | } |
fafc274c | 4263 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4264 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4265 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4266 | av_clear(GvAVn(PL_argvgv)); |
4267 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4268 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4269 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4270 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4271 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4272 | SvUTF8_on(sv); | |
4273 | } | |
a05d7ebb JH |
4274 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4275 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4276 | } |
4277 | } | |
82f96200 JL |
4278 | |
4279 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4280 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4281 | "-i used with no filenames on the command line, " | |
4282 | "reading from STDIN"); | |
a11ec5a9 RGS |
4283 | } |
4284 | ||
4285 | STATIC void | |
5aaab254 | 4286 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4287 | { |
27da23d5 | 4288 | dVAR; |
a11ec5a9 | 4289 | GV* tmpgv; |
a11ec5a9 | 4290 | |
7918f24d NC |
4291 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4292 | ||
f2da823f | 4293 | PL_toptarget = newSV_type(SVt_PVIV); |
76f68e9b | 4294 | sv_setpvs(PL_toptarget, ""); |
f2da823f | 4295 | PL_bodytarget = newSV_type(SVt_PVIV); |
76f68e9b | 4296 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4297 | PL_formtarget = PL_bodytarget; |
79072805 | 4298 | |
bbce6d69 | 4299 | TAINT; |
a11ec5a9 RGS |
4300 | |
4301 | init_argv_symbols(argc,argv); | |
4302 | ||
fafc274c | 4303 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4304 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4305 | } |
fafc274c | 4306 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4307 | HV *hv; |
e17132c1 | 4308 | bool env_is_not_environ; |
cf93a474 | 4309 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4310 | GvMULTI_on(PL_envgv); |
4311 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4312 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4313 | #ifndef PERL_MICRO |
fa6a1c44 | 4314 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4315 | /* Note that if the supplied env parameter is actually a copy |
4316 | of the global environ then it may now point to free'd memory | |
4317 | if the environment has been modified since. To avoid this | |
4318 | problem we treat env==NULL as meaning 'use the default' | |
4319 | */ | |
4320 | if (!env) | |
4321 | env = environ; | |
e17132c1 JD |
4322 | env_is_not_environ = env != environ; |
4323 | if (env_is_not_environ | |
4efc5df6 GS |
4324 | # ifdef USE_ITHREADS |
4325 | && PL_curinterp == aTHX | |
4326 | # endif | |
4327 | ) | |
4328 | { | |
bd61b366 | 4329 | environ[0] = NULL; |
4efc5df6 | 4330 | } |
9b4eeda5 | 4331 | if (env) { |
9d27dca9 | 4332 | char *s, *old_var; |
27da23d5 | 4333 | SV *sv; |
764df951 | 4334 | for (; *env; env++) { |
9d27dca9 MT |
4335 | old_var = *env; |
4336 | ||
4337 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4338 | continue; |
9d27dca9 | 4339 | |
7da0e383 | 4340 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4341 | *s = '\0'; |
9d27dca9 | 4342 | (void)strupr(old_var); |
61968511 | 4343 | *s = '='; |
137443ea | 4344 | #endif |
61968511 | 4345 | sv = newSVpv(s+1, 0); |
9d27dca9 | 4346 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 4347 | if (env_is_not_environ) |
61968511 | 4348 | mg_set(sv); |
764df951 | 4349 | } |
9b4eeda5 | 4350 | } |
103a7189 | 4351 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4352 | #endif /* !PERL_MICRO */ |
79072805 | 4353 | } |
bbce6d69 | 4354 | TAINT_NOT; |
2710853f MJD |
4355 | |
4356 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4357 | if (PL_minus_a) { | |
cbfd0a87 | 4358 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4359 | } |
33b78306 | 4360 | } |
34de22dd | 4361 | |
76e3520e | 4362 | STATIC void |
2cace6ac | 4363 | S_init_perllib(pTHX) |
34de22dd | 4364 | { |
97aff369 | 4365 | dVAR; |
32910c7a | 4366 | #ifndef VMS |
929e5b34 | 4367 | const char *perl5lib = NULL; |
32910c7a | 4368 | #endif |
35ba5ce9 | 4369 | const char *s; |
a7560424 | 4370 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4371 | STRLEN len; |
4372 | #endif | |
4373 | ||
284167a5 | 4374 | if (!TAINTING_get) { |
552a7a9b | 4375 | #ifndef VMS |
32910c7a | 4376 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4377 | /* |
4378 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4379 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4380 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4381 | */ |
4382 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4383 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4384 | #else |
32910c7a | 4385 | if (perl5lib) |
88f5bc07 | 4386 | #endif |
32910c7a | 4387 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4388 | else { |
4705144d NC |
4389 | s = PerlEnv_getenv("PERLLIB"); |
4390 | if (s) | |
50d61629 | 4391 | incpush_use_sep(s, 0, 0); |
4705144d | 4392 | } |
552a7a9b | 4393 | #else /* VMS */ |
4394 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4395 | * "natural" VMS idiom for a Unix path string. We allow each | |
4396 | * element to be a set of |-separated directories for compatibility. | |
4397 | */ | |
4398 | char buf[256]; | |
4399 | int idx = 0; | |
4400 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4401 | do { |
2cace6ac | 4402 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4403 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4404 | else { |
e28f3139 | 4405 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4406 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4407 | } |
552a7a9b | 4408 | #endif /* VMS */ |
85e6fe83 | 4409 | } |
34de22dd | 4410 | |
b0e687f7 NC |
4411 | #ifndef PERL_IS_MINIPERL |
4412 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4413 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4414 | ||
c90c0ff4 | 4415 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4416 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4417 | */ |
4633a7c4 | 4418 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4419 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4420 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4421 | #endif |
4633a7c4 | 4422 | |
65f19062 | 4423 | #ifdef SITEARCH_EXP |
3b290362 GS |
4424 | /* sitearch is always relative to sitelib on Windows for |
4425 | * DLL-based path intuition to work correctly */ | |
4426 | # if !defined(WIN32) | |
be71fc8f NC |
4427 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4428 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4429 | # endif |
4430 | #endif | |
4431 | ||
4633a7c4 | 4432 | #ifdef SITELIB_EXP |
65f19062 | 4433 | # if defined(WIN32) |
574c798a | 4434 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4435 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4436 | if (s) |
e6a0bbf8 | 4437 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4438 | # else |
50d61629 | 4439 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4440 | # endif |
4441 | #endif | |
189d1e8d | 4442 | |
65f19062 | 4443 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4444 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4445 | * DLL-based path intuition to work correctly */ |
4446 | # if !defined(WIN32) | |
be71fc8f NC |
4447 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4448 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4449 | # endif |
4b03c463 | 4450 | #endif |
65f19062 GS |
4451 | |
4452 | #ifdef PERL_VENDORLIB_EXP | |
4453 | # if defined(WIN32) | |
e28f3139 | 4454 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4455 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4456 | if (s) |
e6a0bbf8 | 4457 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4458 | # else |
be71fc8f NC |
4459 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4460 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4461 | # endif |
a3635516 | 4462 | #endif |
65f19062 | 4463 | |
b9ba2fad | 4464 | #ifdef ARCHLIB_EXP |
2cace6ac | 4465 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4466 | #endif |
4467 | ||
4468 | #ifndef PRIVLIB_EXP | |
4469 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4470 | #endif | |
4471 | ||
4472 | #if defined(WIN32) | |
2cace6ac NC |
4473 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4474 | if (s) | |
4475 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4476 | #else |
04c9eecc | 4477 | # ifdef NETWARE |
2cace6ac | 4478 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4479 | # else |
2cace6ac | 4480 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4481 | # endif |
b9ba2fad NC |
4482 | #endif |
4483 | ||
3b777bb4 | 4484 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4485 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4486 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4487 | |INCPUSH_CAN_RELOCATE); |
4488 | #endif | |
2cace6ac | 4489 | |
284167a5 | 4490 | if (!TAINTING_get) { |
2cace6ac | 4491 | #ifndef VMS |
2cace6ac NC |
4492 | /* |
4493 | * It isn't possible to delete an environment variable with | |
4494 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4495 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4496 | */ | |
4497 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4498 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4499 | #else |
32910c7a | 4500 | if (perl5lib) |
2cace6ac | 4501 | #endif |
32910c7a NC |
4502 | incpush_use_sep(perl5lib, 0, |
4503 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4504 | #else /* VMS */ |
4505 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4506 | * "natural" VMS idiom for a Unix path string. We allow each | |
4507 | * element to be a set of |-separated directories for compatibility. | |
4508 | */ | |
4509 | char buf[256]; | |
4510 | int idx = 0; | |
4511 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4512 | do { | |
be71fc8f NC |
4513 | incpush_use_sep(buf, 0, |
4514 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4515 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4516 | #endif /* VMS */ | |
a26c0e28 | 4517 | } |
2cace6ac NC |
4518 | |
4519 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4520 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4521 | */ |
4522 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4523 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4524 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4525 | #endif |
4526 | ||
2cace6ac NC |
4527 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4528 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4529 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4530 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4531 | #endif |
4532 | ||
4533 | ||
4534 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4535 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4536 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4537 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4538 | #endif |
4539 | ||
4540 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4541 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4542 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4543 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4544 | #endif |
b0e687f7 | 4545 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4546 | |
284167a5 | 4547 | if (!TAINTING_get) |
55b4bc1c | 4548 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4549 | } |
4550 | ||
739a0b84 | 4551 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4552 | # define PERLLIB_SEP ';' |
4553 | #else | |
4554 | # if defined(VMS) | |
4555 | # define PERLLIB_SEP '|' | |
4556 | # else | |
e37778c2 | 4557 | # define PERLLIB_SEP ':' |
774d564b | 4558 | # endif |
4559 | #endif | |
4560 | #ifndef PERLLIB_MANGLE | |
4561 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4562 | #endif |
774d564b | 4563 | |
59d6f6a4 | 4564 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4565 | /* Push a directory onto @INC if it exists. |
4566 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4567 | onto @INC */ | |
4568 | STATIC SV * | |
7ffdaae6 | 4569 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4570 | { |
97aff369 | 4571 | dVAR; |
ad17a1ae | 4572 | Stat_t tmpstatbuf; |
7918f24d NC |
4573 | |
4574 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4575 | ||
848ef955 | 4576 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4577 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4578 | av_push(av, dir); |
7ffdaae6 NC |
4579 | dir = newSVsv(stem); |
4580 | } else { | |
4581 | /* Truncate dir back to stem. */ | |
4582 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4583 | } |
4584 | return dir; | |
4585 | } | |
59d6f6a4 | 4586 | #endif |
ad17a1ae | 4587 | |
c29067d7 CH |
4588 | STATIC SV * |
4589 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4590 | { |
6434436b | 4591 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4592 | SV *libdir; |
774d564b | 4593 | |
c29067d7 | 4594 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4595 | assert(len > 0); |
3a9a9ba7 | 4596 | |
d2898d73 EB |
4597 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4598 | defined to so something (in os2/os2.c), but the code has been | |
4599 | this way, ignoring any possible changed of length, since | |
4600 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4601 | it be. */ | |
4602 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4603 | |
81600524 | 4604 | #ifdef VMS |
db12e2d3 | 4605 | { |
81600524 | 4606 | char *unix; |
81600524 CB |
4607 | |
4608 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4609 | len = strlen(unix); | |
4610 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4611 | sv_usepvn(libdir,unix,len); | |
4612 | } | |
4613 | else | |
4614 | PerlIO_printf(Perl_error_log, | |
4615 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4616 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4617 | } |
81600524 CB |
4618 | #endif |
4619 | ||
dd374669 AL |
4620 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4621 | parameter. */ | |
4622 | if (canrelocate) { | |
88fe16b2 NC |
4623 | #ifdef PERL_RELOCATABLE_INC |
4624 | /* | |
4625 | * Relocatable include entries are marked with a leading .../ | |
4626 | * | |
4627 | * The algorithm is | |
4628 | * 0: Remove that leading ".../" | |
4629 | * 1: Remove trailing executable name (anything after the last '/') | |
4630 | * from the perl path to give a perl prefix | |
4631 | * Then | |
4632 | * While the @INC element starts "../" and the prefix ends with a real | |
4633 | * directory (ie not . or ..) chop that real directory off the prefix | |
4634 | * and the leading "../" from the @INC element. ie a logical "../" | |
4635 | * cleanup | |
4636 | * Finally concatenate the prefix and the remainder of the @INC element | |
4637 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4638 | * generates /usr/local/lib/perl5 | |
4639 | */ | |
890ce7af | 4640 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4641 | STRLEN libpath_len = SvCUR(libdir); |
4642 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4643 | /* Game on! */ | |
890ce7af | 4644 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4645 | /* Going to use the SV just as a scratch buffer holding a C |
4646 | string: */ | |
4647 | SV *prefix_sv; | |
4648 | char *prefix; | |
4649 | char *lastslash; | |
4650 | ||
4651 | /* $^X is *the* source of taint if tainting is on, hence | |
4652 | SvPOK() won't be true. */ | |
4653 | assert(caret_X); | |
4654 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4655 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4656 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4657 | /* Firstly take off the leading .../ |
4658 | If all else fail we'll do the paths relative to the current | |
4659 | directory. */ | |
4660 | sv_chop(libdir, libpath + 4); | |
4661 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4662 | mortal copies that the mg_get of tainting creates, and | |
4663 | corruption that seems to come via the save stack. | |
4664 | I guess that the save stack isn't correctly set up yet. */ | |
4665 | libpath = SvPVX(libdir); | |
4666 | libpath_len = SvCUR(libdir); | |
4667 | ||
4668 | /* This would work more efficiently with memrchr, but as it's | |
4669 | only a GNU extension we'd need to probe for it and | |
4670 | implement our own. Not hard, but maybe not worth it? */ | |
4671 | ||
4672 | prefix = SvPVX(prefix_sv); | |
4673 | lastslash = strrchr(prefix, '/'); | |
4674 | ||
4675 | /* First time in with the *lastslash = '\0' we just wipe off | |
4676 | the trailing /perl from (say) /usr/foo/bin/perl | |
4677 | */ | |
4678 | if (lastslash) { | |
4679 | SV *tempsv; | |
4680 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4681 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4682 | && (lastslash = strrchr(prefix, '/')))) { | |
4683 | if (lastslash[1] == '\0' | |
4684 | || (lastslash[1] == '.' | |
4685 | && (lastslash[2] == '/' /* ends "/." */ | |
4686 | || (lastslash[2] == '/' | |
4687 | && lastslash[3] == '/' /* or "/.." */ | |
4688 | )))) { | |
4689 | /* Prefix ends "/" or "/." or "/..", any of which | |
4690 | are fishy, so don't do any more logical cleanup. | |
4691 | */ | |
4692 | break; | |
4693 | } | |
4694 | /* Remove leading "../" from path */ | |
4695 | libpath += 3; | |
4696 | libpath_len -= 3; | |
4697 | /* Next iteration round the loop removes the last | |
4698 | directory name from prefix by writing a '\0' in | |
4699 | the while clause. */ | |
4700 | } | |
4701 | /* prefix has been terminated with a '\0' to the correct | |
4702 | length. libpath points somewhere into the libdir SV. | |
4703 | We need to join the 2 with '/' and drop the result into | |
4704 | libdir. */ | |
4705 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4706 | SvREFCNT_dec(libdir); | |
4707 | /* And this is the new libdir. */ | |
4708 | libdir = tempsv; | |
284167a5 | 4709 | if (TAINTING_get && |
985213f2 AB |
4710 | (PerlProc_getuid() != PerlProc_geteuid() || |
4711 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4712 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4713 | SvTAINTED_on(libdir); |
4714 | } | |
4715 | } | |
4716 | SvREFCNT_dec(prefix_sv); | |
4717 | } | |
88fe16b2 | 4718 | #endif |
dd374669 | 4719 | } |
c29067d7 | 4720 | return libdir; |
c29067d7 CH |
4721 | } |
4722 | ||
4723 | STATIC void | |
4724 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4725 | { | |
4726 | dVAR; | |
4727 | #ifndef PERL_IS_MINIPERL | |
4728 | const U8 using_sub_dirs | |
4729 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4730 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4731 | const U8 add_versioned_sub_dirs | |
4732 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4733 | const U8 add_archonly_sub_dirs | |
4734 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4735 | #ifdef PERL_INC_VERSION_LIST | |
4736 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4737 | #endif | |
4738 | #endif | |
4739 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4740 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4741 | AV *const inc = GvAVn(PL_incgv); | |
4742 | ||
4743 | PERL_ARGS_ASSERT_INCPUSH; | |
4744 | assert(len > 0); | |
4745 | ||
4746 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4747 | re-indenting diff noise. */ | |
4748 | { | |
5a702b9a | 4749 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4750 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4751 | arranged to unshift #! line -I onto the front of @INC. However, | |
4752 | -I can add version and architecture specific libraries, and they | |
4753 | need to go first. The old code assumed that it was always | |
4754 | pushing. Hence to make it work, need to push the architecture | |
4755 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4756 | the front of @INC. */ | |
4757 | #ifndef PERL_IS_MINIPERL | |
4758 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4759 | |
774d564b | 4760 | /* |
4761 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4762 | * archname-specific sub-directories. | |
4763 | */ | |
ee80e7be | 4764 | if (using_sub_dirs) { |
5a702b9a | 4765 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4766 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4767 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4768 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4769 | const char * const *incver; | |
29d82f8d | 4770 | #endif |
7ffdaae6 | 4771 | |
1e3208d8 | 4772 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4773 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4774 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4775 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4776 | |
9c8a64f0 | 4777 | /* .../version if -d .../version */ |
e51b748d | 4778 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4779 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4780 | } |
9c8a64f0 | 4781 | |
9c8a64f0 | 4782 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4783 | if (addoldvers) { |
9c8a64f0 GS |
4784 | for (incver = incverlist; *incver; incver++) { |
4785 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4786 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4787 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4788 | } |
4789 | } | |
29d82f8d | 4790 | #endif |
c992324b | 4791 | |
1e3208d8 | 4792 | if (add_archonly_sub_dirs) { |
c992324b | 4793 | /* .../archname if -d .../archname */ |
e51b748d | 4794 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4795 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4796 | |
4797 | } | |
10cc20f6 NC |
4798 | |
4799 | assert (SvREFCNT(subdir) == 1); | |
4800 | SvREFCNT_dec(subdir); | |
774d564b | 4801 | } |
59d6f6a4 | 4802 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4803 | /* finally add this lib directory at the end of @INC */ |
4804 | if (unshift) { | |
76895e89 | 4805 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4806 | const Size_t extra = 0; |
76895e89 | 4807 | #else |
c70927a6 | 4808 | Size_t extra = av_len(av) + 1; |
76895e89 | 4809 | #endif |
a26c0e28 NC |
4810 | av_unshift(inc, extra + push_basedir); |
4811 | if (push_basedir) | |
4812 | av_store(inc, extra, libdir); | |
76895e89 | 4813 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4814 | while (extra--) { |
4815 | /* av owns a reference, av_store() expects to be donated a | |
4816 | reference, and av expects to be sane when it's cleared. | |
4817 | If I wanted to be naughty and wrong, I could peek inside the | |
4818 | implementation of av_clear(), realise that it uses | |
4819 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4820 | and so directly steal from it (with a memcpy() to inc, and | |
4821 | then memset() to NULL them out. But people copy code from the | |
4822 | core expecting it to be best practise, so let's use the API. | |
4823 | Although studious readers will note that I'm not checking any | |
4824 | return codes. */ | |
4825 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4826 | } | |
4827 | SvREFCNT_dec(av); | |
59d6f6a4 | 4828 | #endif |
20189146 | 4829 | } |
a26c0e28 | 4830 | else if (push_basedir) { |
3a9a9ba7 | 4831 | av_push(inc, libdir); |
20189146 | 4832 | } |
a26c0e28 NC |
4833 | |
4834 | if (!push_basedir) { | |
4835 | assert (SvREFCNT(libdir) == 1); | |
4836 | SvREFCNT_dec(libdir); | |
4837 | } | |
774d564b | 4838 | } |
34de22dd | 4839 | } |
93a17b20 | 4840 | |
55b4bc1c | 4841 | STATIC void |
50d61629 | 4842 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4843 | { |
50d61629 NC |
4844 | const char *s; |
4845 | const char *end; | |
55b4bc1c NC |
4846 | /* This logic has been broken out from S_incpush(). It may be possible to |
4847 | simplify it. */ | |
4848 | ||
4705144d NC |
4849 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4850 | ||
f31c6eed JD |
4851 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4852 | * argument to incpush_use_sep. This allows creation of relocatable | |
4853 | * Perl distributions that patch the binary at install time. Those | |
4854 | * distributions will have to provide their own relocation tools; this | |
4855 | * is not a feature otherwise supported by core Perl. | |
4856 | */ | |
4857 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4858 | if (!len) |
f31c6eed | 4859 | #endif |
50d61629 NC |
4860 | len = strlen(p); |
4861 | ||
4862 | end = p + len; | |
4863 | ||
55b4bc1c | 4864 | /* Break at all separators */ |
e42f52dd | 4865 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4866 | if (s == p) { |
4867 | /* skip any consecutive separators */ | |
55b4bc1c | 4868 | |
55b4bc1c | 4869 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4870 | /* But you'll need to write tests */ |
55b4bc1c | 4871 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4872 | } else { |
55b4bc1c | 4873 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4874 | } |
50d61629 | 4875 | p = s + 1; |
55b4bc1c | 4876 | } |
50d61629 NC |
4877 | if (p != end) |
4878 | incpush(p, (STRLEN)(end - p), flags); | |
4879 | ||
55b4bc1c | 4880 | } |
199100c8 | 4881 | |
93a17b20 | 4882 | void |
864dbfa3 | 4883 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4884 | { |
27da23d5 | 4885 | dVAR; |
971a9dd3 | 4886 | SV *atsv; |
5f40764f | 4887 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4888 | CV *cv; |
22921e25 | 4889 | STRLEN len; |
6224f72b | 4890 | int ret; |
db36c5a1 | 4891 | dJMPENV; |
93a17b20 | 4892 | |
7918f24d NC |
4893 | PERL_ARGS_ASSERT_CALL_LIST; |
4894 | ||
e1ec3a88 | 4895 | while (av_len(paramList) >= 0) { |
ea726b52 | 4896 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4897 | if (PL_savebegin) { |
4898 | if (paramList == PL_beginav) { | |
059a8bb7 | 4899 | /* save PL_beginav for compiler */ |
ad64d0ec | 4900 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4901 | } |
4902 | else if (paramList == PL_checkav) { | |
4903 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4904 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4905 | } |
3c10abe3 AG |
4906 | else if (paramList == PL_unitcheckav) { |
4907 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4908 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4909 | } |
059a8bb7 | 4910 | } else { |
81d86705 NC |
4911 | if (!PL_madskills) |
4912 | SAVEFREESV(cv); | |
059a8bb7 | 4913 | } |
14dd3ad8 | 4914 | JMPENV_PUSH(ret); |
6224f72b | 4915 | switch (ret) { |
312caa8e | 4916 | case 0: |
81d86705 NC |
4917 | #ifdef PERL_MAD |
4918 | if (PL_madskills) | |
4919 | PL_madskills |= 16384; | |
4920 | #endif | |
d6f07c05 | 4921 | CALL_LIST_BODY(cv); |
81d86705 NC |
4922 | #ifdef PERL_MAD |
4923 | if (PL_madskills) | |
4924 | PL_madskills &= ~16384; | |
4925 | #endif | |
971a9dd3 | 4926 | atsv = ERRSV; |
10516c54 | 4927 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4928 | if (len) { |
4929 | PL_curcop = &PL_compiling; | |
57843af0 | 4930 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4931 | if (paramList == PL_beginav) |
396482e1 | 4932 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4933 | else |
4f25aa18 GS |
4934 | Perl_sv_catpvf(aTHX_ atsv, |
4935 | "%s failed--call queue aborted", | |
7d30b5c4 | 4936 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4937 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4938 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4939 | : "END"); |
312caa8e CS |
4940 | while (PL_scopestack_ix > oldscope) |
4941 | LEAVE; | |
14dd3ad8 | 4942 | JMPENV_POP; |
be2597df | 4943 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4944 | } |
85e6fe83 | 4945 | break; |
6224f72b | 4946 | case 1: |
f86702cc | 4947 | STATUS_ALL_FAILURE; |
85e6fe83 | 4948 | /* FALL THROUGH */ |
6224f72b | 4949 | case 2: |
85e6fe83 | 4950 | /* my_exit() was called */ |
3280af22 | 4951 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4952 | LEAVE; |
84902520 | 4953 | FREETMPS; |
03d9f026 | 4954 | SET_CURSTASH(PL_defstash); |
3280af22 | 4955 | PL_curcop = &PL_compiling; |
57843af0 | 4956 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4957 | JMPENV_POP; |
f86702cc | 4958 | my_exit_jump(); |
118e2215 | 4959 | assert(0); /* NOTREACHED */ |
6224f72b | 4960 | case 3: |
312caa8e CS |
4961 | if (PL_restartop) { |
4962 | PL_curcop = &PL_compiling; | |
57843af0 | 4963 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4964 | JMPENV_JUMP(3); |
85e6fe83 | 4965 | } |
5637ef5b | 4966 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
4967 | FREETMPS; |
4968 | break; | |
8990e307 | 4969 | } |
14dd3ad8 | 4970 | JMPENV_POP; |
93a17b20 | 4971 | } |
93a17b20 | 4972 | } |
93a17b20 | 4973 | |
f86702cc | 4974 | void |
864dbfa3 | 4975 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4976 | { |
97aff369 | 4977 | dVAR; |
6136213b JGM |
4978 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
4979 | abort(); | |
4980 | } | |
4981 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
4982 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
4983 | Perl_warn(aTHX_ "Unexpected exit %u", status); | |
4984 | PL_exit_flags &= ~PERL_EXIT_ABORT; | |
4985 | } | |
f86702cc | 4986 | switch (status) { |
4987 | case 0: | |
4988 | STATUS_ALL_SUCCESS; | |
4989 | break; | |
4990 | case 1: | |
4991 | STATUS_ALL_FAILURE; | |
4992 | break; | |
4993 | default: | |
6ac6a52b | 4994 | STATUS_EXIT_SET(status); |
f86702cc | 4995 | break; |
4996 | } | |
4997 | my_exit_jump(); | |
4998 | } | |
4999 | ||
5000 | void | |
864dbfa3 | 5001 | Perl_my_failure_exit(pTHX) |
f86702cc | 5002 | { |
97aff369 | 5003 | dVAR; |
f86702cc | 5004 | #ifdef VMS |
fb38d079 JM |
5005 | /* We have been called to fall on our sword. The desired exit code |
5006 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5007 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5008 | * that code is set. | |
fb38d079 JM |
5009 | * |
5010 | * If an error code has not been set, then force the issue. | |
5011 | */ | |
0968cdad JM |
5012 | if (MY_POSIX_EXIT) { |
5013 | ||
e08e1e1d JM |
5014 | /* According to the die_exit.t tests, if errno is non-zero */ |
5015 | /* It should be used for the error status. */ | |
0968cdad | 5016 | |
e08e1e1d JM |
5017 | if (errno == EVMSERR) { |
5018 | STATUS_NATIVE = vaxc$errno; | |
5019 | } else { | |
0968cdad | 5020 | |
e08e1e1d JM |
5021 | /* According to die_exit.t tests, if the child_exit code is */ |
5022 | /* also zero, then we need to exit with a code of 255 */ | |
5023 | if ((errno != 0) && (errno < 256)) | |
5024 | STATUS_UNIX_EXIT_SET(errno); | |
5025 | else if (STATUS_UNIX < 255) { | |
0968cdad | 5026 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
5027 | } |
5028 | ||
0968cdad | 5029 | } |
e08e1e1d JM |
5030 | |
5031 | /* The exit code could have been set by $? or vmsish which | |
5032 | * means that it may not have fatal set. So convert | |
5033 | * success/warning codes to fatal with out changing | |
5034 | * the POSIX status code. The severity makes VMS native | |
5035 | * status handling work, while UNIX mode programs use the | |
5036 | * the POSIX exit codes. | |
5037 | */ | |
5038 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
5039 | STATUS_NATIVE &= STS$M_COND_ID; | |
5040 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
5041 | } | |
0968cdad JM |
5042 | } |
5043 | else { | |
5044 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5045 | if (vaxc$errno & 1) { | |
5046 | ||
5047 | /* So force success status to failure */ | |
5048 | if (STATUS_NATIVE & 1) | |
5049 | STATUS_ALL_FAILURE; | |
5050 | } | |
5051 | else { | |
5052 | if (!vaxc$errno) { | |
5053 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5054 | STATUS_ALL_FAILURE; | |
5055 | } | |
5056 | else { | |
5057 | int severity; | |
5058 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5059 | ||
5060 | /* Encode the severity code */ | |
5061 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5062 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5063 | ||
5064 | /* Perl expects this to be a fatal error */ | |
5065 | if (severity != STS$K_SEVERE) | |
5066 | STATUS_ALL_FAILURE; | |
5067 | } | |
5068 | } | |
5069 | } | |
fb38d079 | 5070 | |
f86702cc | 5071 | #else |
9b599b2a | 5072 | int exitstatus; |
f86702cc | 5073 | if (errno & 255) |
e5218da5 | 5074 | STATUS_UNIX_SET(errno); |
9b599b2a | 5075 | else { |
e5218da5 | 5076 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5077 | if (exitstatus & 255) |
e5218da5 | 5078 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5079 | else |
e5218da5 | 5080 | STATUS_UNIX_SET(255); |
9b599b2a | 5081 | } |
f86702cc | 5082 | #endif |
6136213b JGM |
5083 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5084 | abort(); | |
5085 | } | |
5086 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5087 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
5088 | Perl_warn(aTHX_ "Unexpected exit failure %u", PL_statusvalue); | |
5089 | PL_exit_flags &= ~PERL_EXIT_ABORT; | |
5090 | } | |
f86702cc | 5091 | my_exit_jump(); |
93a17b20 LW |
5092 | } |
5093 | ||
76e3520e | 5094 | STATIC void |
cea2e8a9 | 5095 | S_my_exit_jump(pTHX) |
f86702cc | 5096 | { |
27da23d5 | 5097 | dVAR; |
f86702cc | 5098 | |
3280af22 NIS |
5099 | if (PL_e_script) { |
5100 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5101 | PL_e_script = NULL; |
f86702cc | 5102 | } |
5103 | ||
3280af22 | 5104 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
5105 | dounwind(-1); |
5106 | LEAVE_SCOPE(0); | |
ff0cee69 | 5107 | |
6224f72b | 5108 | JMPENV_JUMP(2); |
f86702cc | 5109 | } |
873ef191 | 5110 | |
0cb96387 | 5111 | static I32 |
acfe0abc | 5112 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5113 | { |
97aff369 | 5114 | dVAR; |
9d4ba2ae AL |
5115 | const char * const p = SvPVX_const(PL_e_script); |
5116 | const char *nl = strchr(p, '\n'); | |
5117 | ||
5118 | PERL_UNUSED_ARG(idx); | |
5119 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5120 | |
3280af22 | 5121 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5122 | if (nl-p == 0) { |
0cb96387 | 5123 | filter_del(read_e_script); |
873ef191 | 5124 | return 0; |
7dfe3f66 | 5125 | } |
873ef191 | 5126 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5127 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5128 | return 1; |
5129 | } | |
66610fdd RGS |
5130 | |
5131 | /* | |
5132 | * Local variables: | |
5133 | * c-indentation-style: bsd | |
5134 | * c-basic-offset: 4 | |
14d04a33 | 5135 | * indent-tabs-mode: nil |
66610fdd RGS |
5136 | * End: |
5137 | * | |
14d04a33 | 5138 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5139 | */ |