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 | ||
ae60cb46 NC |
45 | #ifdef USE_NSGETEXECUTABLEPATH |
46 | # include <mach-o/dyld.h> | |
47 | #endif | |
48 | ||
2aa47728 | 49 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
50 | # ifdef I_SYSUIO |
51 | # include <sys/uio.h> | |
52 | # endif | |
53 | ||
54 | union control_un { | |
55 | struct cmsghdr cm; | |
56 | char control[CMSG_SPACE(sizeof(int))]; | |
57 | }; | |
58 | ||
2aa47728 NC |
59 | #endif |
60 | ||
5311654c JH |
61 | #ifndef HZ |
62 | # ifdef CLK_TCK | |
63 | # define HZ CLK_TCK | |
64 | # else | |
65 | # define HZ 60 | |
66 | # endif | |
67 | #endif | |
68 | ||
7114a2d2 | 69 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 70 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 71 | #endif |
72 | ||
acfe0abc | 73 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 74 | |
cc69b689 | 75 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 76 | # define validate_suid(rsfp) NOOP |
cc69b689 | 77 | #else |
b24bc095 | 78 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 79 | #endif |
8d063cd8 | 80 | |
d6f07c05 AL |
81 | #define CALL_BODY_SUB(myop) \ |
82 | if (PL_op == (myop)) \ | |
139d0ce6 | 83 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
84 | if (PL_op) \ |
85 | CALLRUNOPS(aTHX); | |
86 | ||
87 | #define CALL_LIST_BODY(cv) \ | |
88 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 89 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 90 | |
e6827a76 | 91 | static void |
daa7d858 | 92 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 93 | { |
27da23d5 | 94 | dVAR; |
e6827a76 NC |
95 | if (!PL_curinterp) { |
96 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 97 | #if defined(USE_ITHREADS) |
e6827a76 NC |
98 | INIT_THREADS; |
99 | ALLOC_THREAD_KEY; | |
100 | PERL_SET_THX(my_perl); | |
101 | OP_REFCNT_INIT; | |
e8570548 | 102 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 103 | HINTS_REFCNT_INIT; |
e6827a76 | 104 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
105 | MUTEX_INIT(&PL_my_ctx_mutex); |
106 | # endif | |
e6827a76 | 107 | } |
c0bce9aa NC |
108 | #if defined(USE_ITHREADS) |
109 | else | |
110 | #else | |
111 | /* This always happens for non-ithreads */ | |
112 | #endif | |
113 | { | |
e6827a76 NC |
114 | PERL_SET_THX(my_perl); |
115 | } | |
116 | } | |
06d86050 | 117 | |
cbec8ebe DM |
118 | |
119 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
120 | ||
121 | void | |
122 | Perl_sys_init(int* argc, char*** argv) | |
123 | { | |
4fc0badb | 124 | dVAR; |
7918f24d NC |
125 | |
126 | PERL_ARGS_ASSERT_SYS_INIT; | |
127 | ||
cbec8ebe DM |
128 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
129 | PERL_UNUSED_ARG(argv); | |
130 | PERL_SYS_INIT_BODY(argc, argv); | |
131 | } | |
132 | ||
133 | void | |
134 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
135 | { | |
4fc0badb | 136 | dVAR; |
7918f24d NC |
137 | |
138 | PERL_ARGS_ASSERT_SYS_INIT3; | |
139 | ||
cbec8ebe DM |
140 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
141 | PERL_UNUSED_ARG(argv); | |
142 | PERL_UNUSED_ARG(env); | |
143 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
144 | } | |
145 | ||
146 | void | |
d0820ef1 | 147 | Perl_sys_term() |
cbec8ebe | 148 | { |
4fc0badb | 149 | dVAR; |
bf81751b DM |
150 | if (!PL_veto_cleanup) { |
151 | PERL_SYS_TERM_BODY(); | |
152 | } | |
cbec8ebe DM |
153 | } |
154 | ||
155 | ||
32e30700 GS |
156 | #ifdef PERL_IMPLICIT_SYS |
157 | PerlInterpreter * | |
7766f137 GS |
158 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
159 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
160 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
161 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
162 | struct IPerlProc* ipP) | |
163 | { | |
164 | PerlInterpreter *my_perl; | |
7918f24d NC |
165 | |
166 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
167 | ||
9f653bb5 | 168 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 169 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 170 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
171 | Zero(my_perl, 1, PerlInterpreter); |
172 | PL_Mem = ipM; | |
7766f137 GS |
173 | PL_MemShared = ipMS; |
174 | PL_MemParse = ipMP; | |
32e30700 GS |
175 | PL_Env = ipE; |
176 | PL_StdIO = ipStd; | |
177 | PL_LIO = ipLIO; | |
178 | PL_Dir = ipD; | |
179 | PL_Sock = ipS; | |
180 | PL_Proc = ipP; | |
7cb608b5 | 181 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 182 | |
32e30700 GS |
183 | return my_perl; |
184 | } | |
185 | #else | |
954c1994 GS |
186 | |
187 | /* | |
ccfc67b7 JH |
188 | =head1 Embedding Functions |
189 | ||
954c1994 GS |
190 | =for apidoc perl_alloc |
191 | ||
192 | Allocates a new Perl interpreter. See L<perlembed>. | |
193 | ||
194 | =cut | |
195 | */ | |
196 | ||
93a17b20 | 197 | PerlInterpreter * |
cea2e8a9 | 198 | perl_alloc(void) |
79072805 | 199 | { |
cea2e8a9 | 200 | PerlInterpreter *my_perl; |
79072805 | 201 | |
9f653bb5 | 202 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 203 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 204 | |
e6827a76 | 205 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 206 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 207 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
208 | #else |
209 | Zero(my_perl, 1, PerlInterpreter); | |
210 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
211 | return my_perl; | |
212 | #endif | |
79072805 | 213 | } |
32e30700 | 214 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 215 | |
954c1994 GS |
216 | /* |
217 | =for apidoc perl_construct | |
218 | ||
219 | Initializes a new Perl interpreter. See L<perlembed>. | |
220 | ||
221 | =cut | |
222 | */ | |
223 | ||
79072805 | 224 | void |
0cb96387 | 225 | perl_construct(pTHXx) |
79072805 | 226 | { |
27da23d5 | 227 | dVAR; |
7918f24d NC |
228 | |
229 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
230 | ||
8990e307 | 231 | #ifdef MULTIPLICITY |
54aff467 | 232 | init_interp(); |
ac27b0f5 | 233 | PL_perl_destruct_level = 1; |
54aff467 | 234 | #else |
7918f24d | 235 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
236 | if (PL_perl_destruct_level > 0) |
237 | init_interp(); | |
238 | #endif | |
34caed6d DM |
239 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
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 | ||
0631ea03 AB |
311 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
312 | _dyld_lookup_and_bind | |
313 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
314 | #endif /* environ */ | |
315 | ||
2f42fcb0 JH |
316 | #ifndef PERL_MICRO |
317 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 318 | PL_origenviron = environ; |
2f42fcb0 | 319 | # endif |
0631ea03 AB |
320 | #endif |
321 | ||
5311654c | 322 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 323 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
324 | * The HZ if not originally defined has been by now |
325 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 326 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
327 | PL_clocktick = sysconf(_SC_CLK_TCK); |
328 | if (PL_clocktick <= 0) | |
329 | #endif | |
330 | PL_clocktick = HZ; | |
331 | ||
081fc587 AB |
332 | PL_stashcache = newHV(); |
333 | ||
e8e3635e | 334 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 335 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 336 | |
27da23d5 JH |
337 | #ifdef HAS_MMAP |
338 | if (!PL_mmap_page_size) { | |
339 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
340 | { | |
341 | SETERRNO(0, SS_NORMAL); | |
342 | # ifdef _SC_PAGESIZE | |
343 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
344 | # else | |
345 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
346 | # endif | |
347 | if ((long) PL_mmap_page_size < 0) { | |
348 | if (errno) { | |
44f8325f | 349 | SV * const error = ERRSV; |
d4c19fe8 | 350 | SvUPGRADE(error, SVt_PV); |
0510663f | 351 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
352 | } |
353 | else | |
354 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
355 | } | |
356 | } | |
357 | #else | |
358 | # ifdef HAS_GETPAGESIZE | |
359 | PL_mmap_page_size = getpagesize(); | |
360 | # else | |
361 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
362 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
363 | # endif | |
364 | # endif | |
365 | #endif | |
366 | if (PL_mmap_page_size <= 0) | |
367 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
368 | (IV) PL_mmap_page_size); | |
369 | } | |
370 | #endif /* HAS_MMAP */ | |
371 | ||
372 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
373 | PL_timesbase.tms_utime = 0; | |
374 | PL_timesbase.tms_stime = 0; | |
375 | PL_timesbase.tms_cutime = 0; | |
376 | PL_timesbase.tms_cstime = 0; | |
377 | #endif | |
378 | ||
7d113631 NC |
379 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
380 | ||
a3e6e81e | 381 | PL_registered_mros = newHV(); |
9e169432 NC |
382 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
383 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 384 | |
8990e307 | 385 | ENTER; |
79072805 LW |
386 | } |
387 | ||
954c1994 | 388 | /* |
62375a60 NIS |
389 | =for apidoc nothreadhook |
390 | ||
391 | Stub that provides thread hook for perl_destruct when there are | |
392 | no threads. | |
393 | ||
394 | =cut | |
395 | */ | |
396 | ||
397 | int | |
4e9e3734 | 398 | Perl_nothreadhook(pTHX) |
62375a60 | 399 | { |
96a5add6 | 400 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
401 | return 0; |
402 | } | |
403 | ||
41e4abd8 NC |
404 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
405 | void | |
406 | Perl_dump_sv_child(pTHX_ SV *sv) | |
407 | { | |
408 | ssize_t got; | |
bf357333 NC |
409 | const int sock = PL_dumper_fd; |
410 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
411 | union control_un control; |
412 | struct msghdr msg; | |
808ad2d0 | 413 | struct iovec vec[2]; |
bf357333 | 414 | struct cmsghdr *cmptr; |
808ad2d0 NC |
415 | int returned_errno; |
416 | unsigned char buffer[256]; | |
41e4abd8 | 417 | |
7918f24d NC |
418 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
419 | ||
bf357333 | 420 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
421 | return; |
422 | ||
423 | PerlIO_flush(Perl_debug_log); | |
424 | ||
bf357333 NC |
425 | /* All these shenanigans are to pass a file descriptor over to our child for |
426 | it to dump out to. We can't let it hold open the file descriptor when it | |
427 | forks, as the file descriptor it will dump to can turn out to be one end | |
428 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 429 | be open, the wait would be forever.) */ |
bf357333 NC |
430 | |
431 | msg.msg_control = control.control; | |
432 | msg.msg_controllen = sizeof(control.control); | |
433 | /* We're a connected socket so we don't need a destination */ | |
434 | msg.msg_name = NULL; | |
435 | msg.msg_namelen = 0; | |
436 | msg.msg_iov = vec; | |
808ad2d0 | 437 | msg.msg_iovlen = 1; |
bf357333 NC |
438 | |
439 | cmptr = CMSG_FIRSTHDR(&msg); | |
440 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
441 | cmptr->cmsg_level = SOL_SOCKET; | |
442 | cmptr->cmsg_type = SCM_RIGHTS; | |
443 | *((int *)CMSG_DATA(cmptr)) = 1; | |
444 | ||
445 | vec[0].iov_base = (void*)&sv; | |
446 | vec[0].iov_len = sizeof(sv); | |
447 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
448 | |
449 | if(got < 0) { | |
bf357333 | 450 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
451 | abort(); |
452 | } | |
bf357333 NC |
453 | if(got < sizeof(sv)) { |
454 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
455 | abort(); |
456 | } | |
457 | ||
808ad2d0 NC |
458 | /* Return protocol is |
459 | int: errno value | |
460 | unsigned char: length of location string (0 for empty) | |
461 | unsigned char*: string (not terminated) | |
462 | */ | |
463 | vec[0].iov_base = (void*)&returned_errno; | |
464 | vec[0].iov_len = sizeof(returned_errno); | |
465 | vec[1].iov_base = buffer; | |
466 | vec[1].iov_len = 1; | |
467 | ||
468 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
469 | |
470 | if(got < 0) { | |
471 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 472 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
473 | abort(); |
474 | } | |
808ad2d0 | 475 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 476 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 477 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
478 | abort(); |
479 | } | |
480 | ||
808ad2d0 NC |
481 | if (*buffer) { |
482 | got = read(sock, buffer + 1, *buffer); | |
483 | if(got < 0) { | |
484 | perror("Debug leaking scalars parent read 2 failed"); | |
485 | PerlIO_flush(PerlIO_stderr()); | |
486 | abort(); | |
487 | } | |
488 | ||
489 | if(got < *buffer) { | |
490 | perror("Debug leaking scalars parent short read 2"); | |
491 | PerlIO_flush(PerlIO_stderr()); | |
492 | abort(); | |
493 | } | |
494 | } | |
495 | ||
496 | if (returned_errno || *buffer) { | |
497 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
498 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
499 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
500 | } |
501 | } | |
502 | #endif | |
503 | ||
62375a60 | 504 | /* |
954c1994 GS |
505 | =for apidoc perl_destruct |
506 | ||
507 | Shuts down a Perl interpreter. See L<perlembed>. | |
508 | ||
509 | =cut | |
510 | */ | |
511 | ||
31d77e54 | 512 | int |
0cb96387 | 513 | perl_destruct(pTHXx) |
79072805 | 514 | { |
27da23d5 | 515 | dVAR; |
be2ea8ed | 516 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 517 | HV *hv; |
2aa47728 | 518 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
519 | pid_t child; |
520 | #endif | |
9c0b6888 | 521 | int i; |
8990e307 | 522 | |
7918f24d NC |
523 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
524 | #ifndef MULTIPLICITY | |
ed6c66dd | 525 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 526 | #endif |
9d4ba2ae | 527 | |
3d22c4f0 GG |
528 | assert(PL_scopestack_ix == 1); |
529 | ||
7766f137 GS |
530 | /* wait for all pseudo-forked children to finish */ |
531 | PERL_WAIT_FOR_CHILDREN; | |
532 | ||
3280af22 | 533 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 534 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 535 | { |
9d4ba2ae AL |
536 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
537 | if (s) { | |
36e77d41 DD |
538 | const int i = atoi(s); |
539 | #ifdef DEBUGGING | |
540 | if (destruct_level < i) destruct_level = i; | |
541 | #endif | |
542 | #ifdef PERL_TRACK_MEMPOOL | |
543 | /* RT #114496, for perl_free */ | |
544 | PL_perl_destruct_level = i; | |
545 | #endif | |
5f05dabc | 546 | } |
4633a7c4 LW |
547 | } |
548 | #endif | |
549 | ||
27da23d5 | 550 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
551 | dJMPENV; |
552 | int x = 0; | |
553 | ||
554 | JMPENV_PUSH(x); | |
1b6737cc | 555 | PERL_UNUSED_VAR(x); |
9ebf26ad | 556 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 557 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 558 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 559 | } |
f3faeb53 | 560 | JMPENV_POP; |
26f423df | 561 | } |
f3faeb53 | 562 | LEAVE; |
a0d0e21e | 563 | FREETMPS; |
3d22c4f0 | 564 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 565 | |
e00b64d4 | 566 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 567 | my_fflush_all(); |
e00b64d4 | 568 | |
16c91539 | 569 | if (PL_threadhook(aTHX)) { |
62375a60 | 570 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 571 | PL_veto_cleanup = TRUE; |
37038d91 | 572 | return STATUS_EXIT; |
62375a60 NIS |
573 | } |
574 | ||
2aa47728 NC |
575 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
576 | if (destruct_level != 0) { | |
577 | /* Fork here to create a child. Our child's job is to preserve the | |
578 | state of scalars prior to destruction, so that we can instruct it | |
579 | to dump any scalars that we later find have leaked. | |
580 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
581 | fail gracefully */ | |
582 | int fd[2]; | |
583 | ||
584 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
585 | perror("Debug leaking scalars socketpair failed"); | |
586 | abort(); | |
587 | } | |
588 | ||
589 | child = fork(); | |
590 | if(child == -1) { | |
591 | perror("Debug leaking scalars fork failed"); | |
592 | abort(); | |
593 | } | |
594 | if (!child) { | |
595 | /* We are the child */ | |
3125a5a4 NC |
596 | const int sock = fd[1]; |
597 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
598 | int f; | |
808ad2d0 NC |
599 | const char *where; |
600 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 601 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 602 | |
2aa47728 | 603 | close(fd[0]); |
2aa47728 | 604 | |
3125a5a4 NC |
605 | /* We need to close all other file descriptors otherwise we end up |
606 | with interesting hangs, where the parent closes its end of a | |
607 | pipe, and sits waiting for (another) child to terminate. Only | |
608 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
609 | we also have the far end of the pipe open. We even need to |
610 | close the debugging fd, because sometimes it happens to be one | |
611 | end of a pipe, and a process is waiting on the other end for | |
612 | EOF. Normally it would be closed at some point earlier in | |
613 | destruction, but if we happen to cause the pipe to remain open, | |
614 | EOF never occurs, and we get an infinite hang. Hence all the | |
615 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
616 | |
617 | f = sysconf(_SC_OPEN_MAX); | |
618 | if(f < 0) { | |
808ad2d0 NC |
619 | where = "sysconf failed"; |
620 | goto abort; | |
3125a5a4 NC |
621 | } |
622 | while (f--) { | |
623 | if (f == sock) | |
624 | continue; | |
3125a5a4 NC |
625 | close(f); |
626 | } | |
627 | ||
2aa47728 NC |
628 | while (1) { |
629 | SV *target; | |
bf357333 NC |
630 | union control_un control; |
631 | struct msghdr msg; | |
632 | struct iovec vec[1]; | |
633 | struct cmsghdr *cmptr; | |
634 | ssize_t got; | |
635 | int got_fd; | |
636 | ||
637 | msg.msg_control = control.control; | |
638 | msg.msg_controllen = sizeof(control.control); | |
639 | /* We're a connected socket so we don't need a source */ | |
640 | msg.msg_name = NULL; | |
641 | msg.msg_namelen = 0; | |
642 | msg.msg_iov = vec; | |
643 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
644 | ||
645 | vec[0].iov_base = (void*)⌖ | |
646 | vec[0].iov_len = sizeof(target); | |
647 | ||
648 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
649 | |
650 | if(got == 0) | |
651 | break; | |
652 | if(got < 0) { | |
808ad2d0 NC |
653 | where = "recv failed"; |
654 | goto abort; | |
2aa47728 NC |
655 | } |
656 | if(got < sizeof(target)) { | |
808ad2d0 NC |
657 | where = "short recv"; |
658 | goto abort; | |
2aa47728 | 659 | } |
bf357333 | 660 | |
808ad2d0 NC |
661 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
662 | where = "no cmsg"; | |
663 | goto abort; | |
664 | } | |
665 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
666 | where = "wrong cmsg_len"; | |
667 | goto abort; | |
668 | } | |
669 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
670 | where = "wrong cmsg_level"; | |
671 | goto abort; | |
672 | } | |
673 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
674 | where = "wrong cmsg_type"; | |
675 | goto abort; | |
676 | } | |
bf357333 NC |
677 | |
678 | got_fd = *(int*)CMSG_DATA(cmptr); | |
679 | /* For our last little bit of trickery, put the file descriptor | |
680 | back into Perl_debug_log, as if we never actually closed it | |
681 | */ | |
808ad2d0 NC |
682 | if(got_fd != debug_fd) { |
683 | if (dup2(got_fd, debug_fd) == -1) { | |
684 | where = "dup2"; | |
685 | goto abort; | |
686 | } | |
687 | } | |
2aa47728 | 688 | sv_dump(target); |
bf357333 | 689 | |
2aa47728 NC |
690 | PerlIO_flush(Perl_debug_log); |
691 | ||
808ad2d0 | 692 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
693 | |
694 | if(got < 0) { | |
808ad2d0 NC |
695 | where = "write failed"; |
696 | goto abort; | |
2aa47728 | 697 | } |
808ad2d0 NC |
698 | if(got < sizeof(success)) { |
699 | where = "short write"; | |
700 | goto abort; | |
2aa47728 NC |
701 | } |
702 | } | |
703 | _exit(0); | |
808ad2d0 NC |
704 | abort: |
705 | { | |
706 | int send_errno = errno; | |
707 | unsigned char length = (unsigned char) strlen(where); | |
708 | struct iovec failure[3] = { | |
709 | {(void*)&send_errno, sizeof(send_errno)}, | |
710 | {&length, 1}, | |
711 | {(void*)where, length} | |
712 | }; | |
713 | int got = writev(sock, failure, 3); | |
714 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
715 | in the parent if we try to read from the socketpair after the | |
716 | child has exited, even if there was data to read. | |
717 | So sleep a bit to give the parent a fighting chance of | |
718 | reading the data. */ | |
719 | sleep(2); | |
720 | _exit((got == -1) ? errno : 0); | |
721 | } | |
bf357333 | 722 | /* End of child. */ |
2aa47728 | 723 | } |
41e4abd8 | 724 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
725 | close(fd[1]); |
726 | } | |
727 | #endif | |
728 | ||
ff0cee69 | 729 | /* We must account for everything. */ |
730 | ||
731 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
732 | /* Set PL_curcop now, because destroying ops can cause new SVs |
733 | to be generated in Perl_pad_swipe, and when running with | |
734 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
735 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 736 | PL_curcop = &PL_compiling; |
3280af22 | 737 | if (PL_main_root) { |
4e380990 DM |
738 | /* ensure comppad/curpad to refer to main's pad */ |
739 | if (CvPADLIST(PL_main_cv)) { | |
740 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
741 | } | |
3280af22 | 742 | op_free(PL_main_root); |
5f66b61c | 743 | PL_main_root = NULL; |
a0d0e21e | 744 | } |
5f66b61c | 745 | PL_main_start = NULL; |
aac9d523 DM |
746 | /* note that PL_main_cv isn't usually actually freed at this point, |
747 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
748 | * get freed once all the subs are freed in sv_clean_all(), for | |
749 | * destruct_level > 0 */ | |
3280af22 | 750 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 751 | PL_main_cv = NULL; |
ca7b837b | 752 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 753 | |
13621cfb NIS |
754 | /* Tell PerlIO we are about to tear things apart in case |
755 | we have layers which are using resources that should | |
756 | be cleaned up now. | |
757 | */ | |
758 | ||
759 | PerlIO_destruct(aTHX); | |
760 | ||
ddf23d4a S |
761 | /* |
762 | * Try to destruct global references. We do this first so that the | |
763 | * destructors and destructees still exist. Some sv's might remain. | |
764 | * Non-referenced objects are on their own. | |
765 | */ | |
766 | sv_clean_objs(); | |
8990e307 | 767 | |
5cd24f17 | 768 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 769 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 770 | PL_warnhook = NULL; |
3280af22 | 771 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 772 | PL_diehook = NULL; |
5cd24f17 | 773 | |
4b556e6c | 774 | /* call exit list functions */ |
3280af22 | 775 | while (PL_exitlistlen-- > 0) |
acfe0abc | 776 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 777 | |
3280af22 | 778 | Safefree(PL_exitlist); |
4b556e6c | 779 | |
1c4916e5 CB |
780 | PL_exitlist = NULL; |
781 | PL_exitlistlen = 0; | |
782 | ||
a3e6e81e NC |
783 | SvREFCNT_dec(PL_registered_mros); |
784 | ||
551a8b83 | 785 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
786 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
787 | * so we certainly shouldn't free it here | |
788 | */ | |
2f42fcb0 | 789 | #ifndef PERL_MICRO |
4b647fb0 | 790 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 791 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
792 | #ifdef USE_ITHREADS |
793 | /* only main thread can free environ[0] contents */ | |
794 | && PL_curinterp == aTHX | |
795 | #endif | |
796 | ) | |
797 | { | |
551a8b83 JH |
798 | I32 i; |
799 | ||
800 | for (i = 0; environ[i]; i++) | |
4b420006 | 801 | safesysfree(environ[i]); |
0631ea03 | 802 | |
4b420006 JH |
803 | /* Must use safesysfree() when working with environ. */ |
804 | safesysfree(environ); | |
551a8b83 JH |
805 | |
806 | environ = PL_origenviron; | |
807 | } | |
808 | #endif | |
2f42fcb0 | 809 | #endif /* !PERL_MICRO */ |
551a8b83 | 810 | |
30985c42 JH |
811 | if (destruct_level == 0) { |
812 | ||
813 | DEBUG_P(debprofdump()); | |
814 | ||
815 | #if defined(PERLIO_LAYERS) | |
816 | /* No more IO - including error messages ! */ | |
817 | PerlIO_cleanup(aTHX); | |
818 | #endif | |
819 | ||
820 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
821 | |
822 | /* The exit() function will do everything that needs doing. */ | |
823 | return STATUS_EXIT; | |
824 | } | |
825 | ||
5f8cb046 DM |
826 | #ifdef USE_ITHREADS |
827 | /* the syntax tree is shared between clones | |
828 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
829 | * REGEXPs in the parent interpreter | |
830 | * we need to manually ReREFCNT_dec for the clones | |
831 | */ | |
0547a729 DM |
832 | { |
833 | I32 i = AvFILLp(PL_regex_padav); | |
834 | SV **ary = AvARRAY(PL_regex_padav); | |
835 | ||
836 | for (; i; i--) { | |
837 | SvREFCNT_dec(ary[i]); | |
838 | ary[i] = &PL_sv_undef; | |
839 | } | |
840 | } | |
5f8cb046 DM |
841 | #endif |
842 | ||
0547a729 | 843 | |
ad64d0ec | 844 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
845 | PL_stashcache = NULL; |
846 | ||
5f05dabc | 847 | /* loosen bonds of global variables */ |
848 | ||
2f9285f8 DM |
849 | /* XXX can PL_parser still be non-null here? */ |
850 | if(PL_parser && PL_parser->rsfp) { | |
851 | (void)PerlIO_close(PL_parser->rsfp); | |
852 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 853 | } |
854 | ||
84386e14 RGS |
855 | if (PL_minus_F) { |
856 | Safefree(PL_splitstr); | |
857 | PL_splitstr = NULL; | |
858 | } | |
859 | ||
8ebc5c01 | 860 | /* switches */ |
3280af22 NIS |
861 | PL_minus_n = FALSE; |
862 | PL_minus_p = FALSE; | |
863 | PL_minus_l = FALSE; | |
864 | PL_minus_a = FALSE; | |
865 | PL_minus_F = FALSE; | |
866 | PL_doswitches = FALSE; | |
599cee73 | 867 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 868 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 869 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 870 | #endif |
3280af22 NIS |
871 | PL_unsafe = FALSE; |
872 | ||
873 | Safefree(PL_inplace); | |
bd61b366 | 874 | PL_inplace = NULL; |
a7cb1f99 | 875 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 876 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
877 | |
878 | if (PL_e_script) { | |
879 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 880 | PL_e_script = NULL; |
8ebc5c01 | 881 | } |
882 | ||
bf9cdc68 RG |
883 | PL_perldb = 0; |
884 | ||
8ebc5c01 | 885 | /* magical thingies */ |
886 | ||
e23d9e2f CS |
887 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
888 | PL_ofsgv = NULL; | |
5f05dabc | 889 | |
7889fe52 | 890 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 891 | PL_ors_sv = NULL; |
8ebc5c01 | 892 | |
3280af22 | 893 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 894 | PL_rs = NULL; |
dc92893f | 895 | |
d33b2eba | 896 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 897 | PL_osname = NULL; |
5f05dabc | 898 | |
3280af22 | 899 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
900 | PL_statname = NULL; |
901 | PL_statgv = NULL; | |
5f05dabc | 902 | |
8ebc5c01 | 903 | /* defgv, aka *_ should be taken care of elsewhere */ |
904 | ||
7d5ea4e7 GS |
905 | /* float buffer */ |
906 | Safefree(PL_efloatbuf); | |
bd61b366 | 907 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
908 | PL_efloatsize = 0; |
909 | ||
8ebc5c01 | 910 | /* startup and shutdown function lists */ |
3280af22 | 911 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 912 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 913 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 914 | SvREFCNT_dec(PL_checkav); |
ece599bd | 915 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
916 | SvREFCNT_dec(PL_unitcheckav); |
917 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 918 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
919 | PL_beginav = NULL; |
920 | PL_beginav_save = NULL; | |
921 | PL_endav = NULL; | |
922 | PL_checkav = NULL; | |
923 | PL_checkav_save = NULL; | |
3c10abe3 AG |
924 | PL_unitcheckav = NULL; |
925 | PL_unitcheckav_save = NULL; | |
7d49f689 | 926 | PL_initav = NULL; |
5618dfe8 | 927 | |
8ebc5c01 | 928 | /* shortcuts just get cleared */ |
a0714e2c SS |
929 | PL_envgv = NULL; |
930 | PL_incgv = NULL; | |
931 | PL_hintgv = NULL; | |
932 | PL_errgv = NULL; | |
933 | PL_argvgv = NULL; | |
934 | PL_argvoutgv = NULL; | |
935 | PL_stdingv = NULL; | |
936 | PL_stderrgv = NULL; | |
937 | PL_last_in_gv = NULL; | |
938 | PL_replgv = NULL; | |
939 | PL_DBgv = NULL; | |
940 | PL_DBline = NULL; | |
941 | PL_DBsub = NULL; | |
942 | PL_DBsingle = NULL; | |
943 | PL_DBtrace = NULL; | |
944 | PL_DBsignal = NULL; | |
601f1833 | 945 | PL_DBcv = NULL; |
7d49f689 | 946 | PL_dbargs = NULL; |
5c284bb0 | 947 | PL_debstash = NULL; |
8ebc5c01 | 948 | |
7a1c5554 | 949 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 950 | PL_argvout_stack = NULL; |
8ebc5c01 | 951 | |
5c831c24 | 952 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 953 | PL_modglobal = NULL; |
5c831c24 | 954 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 955 | PL_preambleav = NULL; |
5c831c24 | 956 | SvREFCNT_dec(PL_subname); |
a0714e2c | 957 | PL_subname = NULL; |
ca0c25f6 | 958 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 959 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 960 | PL_pidstatus = NULL; |
ca0c25f6 | 961 | #endif |
5c831c24 | 962 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 963 | PL_toptarget = NULL; |
5c831c24 | 964 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
965 | PL_bodytarget = NULL; |
966 | PL_formtarget = NULL; | |
5c831c24 | 967 | |
d33b2eba | 968 | /* free locale stuff */ |
b9582b6a | 969 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 970 | Safefree(PL_collation_name); |
bd61b366 | 971 | PL_collation_name = NULL; |
b9582b6a | 972 | #endif |
d33b2eba | 973 | |
b9582b6a | 974 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 975 | Safefree(PL_numeric_name); |
bd61b366 | 976 | PL_numeric_name = NULL; |
a453c169 | 977 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 978 | PL_numeric_radix_sv = NULL; |
b9582b6a | 979 | #endif |
d33b2eba | 980 | |
9c0b6888 KW |
981 | /* clear character classes */ |
982 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
983 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
984 | PL_utf8_swash_ptrs[i] = NULL; | |
985 | } | |
5c831c24 GS |
986 | SvREFCNT_dec(PL_utf8_mark); |
987 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 988 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 989 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 990 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
991 | SvREFCNT_dec(PL_utf8_idstart); |
992 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 993 | SvREFCNT_dec(PL_utf8_foldclosures); |
a0714e2c SS |
994 | PL_utf8_mark = NULL; |
995 | PL_utf8_toupper = NULL; | |
996 | PL_utf8_totitle = NULL; | |
997 | PL_utf8_tolower = NULL; | |
998 | PL_utf8_tofold = NULL; | |
999 | PL_utf8_idstart = NULL; | |
1000 | PL_utf8_idcont = NULL; | |
2726813d | 1001 | PL_utf8_foldclosures = NULL; |
86f72d56 | 1002 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
30f9bdb0 KW |
1003 | SvREFCNT_dec(PL_Posix_ptrs[i]); |
1004 | PL_Posix_ptrs[i] = NULL; | |
1005 | ||
86f72d56 KW |
1006 | SvREFCNT_dec(PL_L1Posix_ptrs[i]); |
1007 | PL_L1Posix_ptrs[i] = NULL; | |
cac6e0ca KW |
1008 | |
1009 | SvREFCNT_dec(PL_XPosix_ptrs[i]); | |
1010 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1011 | } |
5c831c24 | 1012 | |
971a9dd3 | 1013 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1014 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1015 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1016 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1017 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1018 | CopFILE_free(&PL_compiling); |
5c831c24 | 1019 | |
a0d0e21e | 1020 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1021 | |
3280af22 | 1022 | hv = PL_defstash; |
ca556bcd DM |
1023 | /* break ref loop *:: <=> %:: */ |
1024 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1025 | PL_defstash = 0; |
a0d0e21e | 1026 | SvREFCNT_dec(hv); |
5c831c24 | 1027 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1028 | PL_curstname = NULL; |
a0d0e21e | 1029 | |
5a844595 GS |
1030 | /* clear queued errors */ |
1031 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1032 | PL_errors = NULL; |
5a844595 | 1033 | |
dd69841b BB |
1034 | SvREFCNT_dec(PL_isarev); |
1035 | ||
a0d0e21e | 1036 | FREETMPS; |
9b387841 | 1037 | if (destruct_level >= 2) { |
3280af22 | 1038 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1039 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1040 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1041 | (long)PL_scopestack_ix); | |
3280af22 | 1042 | if (PL_savestack_ix != 0) |
9b387841 NC |
1043 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1044 | "Unbalanced saves: %ld more saves than restores\n", | |
1045 | (long)PL_savestack_ix); | |
3280af22 | 1046 | if (PL_tmps_floor != -1) |
9b387841 NC |
1047 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1048 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1049 | if (cxstack_ix != -1) |
9b387841 NC |
1050 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1051 | (long)cxstack_ix + 1); | |
a0d0e21e | 1052 | } |
8990e307 | 1053 | |
0547a729 DM |
1054 | #ifdef USE_ITHREADS |
1055 | SvREFCNT_dec(PL_regex_padav); | |
1056 | PL_regex_padav = NULL; | |
1057 | PL_regex_pad = NULL; | |
1058 | #endif | |
1059 | ||
776df701 | 1060 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1061 | /* the entries in this list are allocated via SV PVX's, so get freed |
1062 | * in sv_clean_all */ | |
1063 | Safefree(PL_my_cxt_list); | |
776df701 | 1064 | #endif |
57bb2458 | 1065 | |
8990e307 | 1066 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1067 | |
1068 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1069 | while (sv_clean_all() > 2) |
5226ed68 JH |
1070 | ; |
1071 | ||
23083432 FC |
1072 | #ifdef USE_ITHREADS |
1073 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1074 | #endif | |
1075 | ||
d4777f27 GS |
1076 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1077 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1078 | PL_fdpid = NULL; |
d33b2eba | 1079 | |
6c644e78 GS |
1080 | #ifdef HAVE_INTERP_INTERN |
1081 | sys_intern_clear(); | |
1082 | #endif | |
1083 | ||
6e72f9df | 1084 | /* Destruct the global string table. */ |
1085 | { | |
1086 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1087 | * so that sv_free() won't fail on them. | |
80459961 NC |
1088 | * Now that the global string table is using a single hunk of memory |
1089 | * for both HE and HEK, we either need to explicitly unshare it the | |
1090 | * correct way, or actually free things here. | |
6e72f9df | 1091 | */ |
80459961 NC |
1092 | I32 riter = 0; |
1093 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1094 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1095 | HE *hent = array[0]; |
1096 | ||
6e72f9df | 1097 | for (;;) { |
0453d815 | 1098 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1099 | HE * const next = HeNEXT(hent); |
9014280d | 1100 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1101 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1102 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1103 | Safefree(hent); |
1104 | hent = next; | |
6e72f9df | 1105 | } |
1106 | if (!hent) { | |
1107 | if (++riter > max) | |
1108 | break; | |
1109 | hent = array[riter]; | |
1110 | } | |
1111 | } | |
80459961 NC |
1112 | |
1113 | Safefree(array); | |
1114 | HvARRAY(PL_strtab) = 0; | |
1115 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1116 | } |
3280af22 | 1117 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1118 | |
e652bb2f | 1119 | #ifdef USE_ITHREADS |
c21d1a0f | 1120 | /* free the pointer tables used for cloning */ |
a0739874 | 1121 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1122 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1123 | #endif |
a0739874 | 1124 | |
d33b2eba GS |
1125 | /* free special SVs */ |
1126 | ||
1127 | SvREFCNT(&PL_sv_yes) = 0; | |
1128 | sv_clear(&PL_sv_yes); | |
1129 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1130 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1131 | |
1132 | SvREFCNT(&PL_sv_no) = 0; | |
1133 | sv_clear(&PL_sv_no); | |
1134 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1135 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1136 | |
9f375a43 DM |
1137 | { |
1138 | int i; | |
1139 | for (i=0; i<=2; i++) { | |
1140 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1141 | sv_clear(PERL_DEBUG_PAD(i)); | |
1142 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1143 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1144 | } | |
1145 | } | |
1146 | ||
0453d815 | 1147 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1148 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1149 | |
eba0f806 DM |
1150 | #ifdef DEBUG_LEAKING_SCALARS |
1151 | if (PL_sv_count != 0) { | |
1152 | SV* sva; | |
1153 | SV* sv; | |
eb578fdb | 1154 | SV* svend; |
eba0f806 | 1155 | |
ad64d0ec | 1156 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1157 | svend = &sva[SvREFCNT(sva)]; |
1158 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1159 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1160 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1161 | " flags=0x%"UVxf |
fd0854ff | 1162 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1163 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1164 | "serial %"UVuf"\n", | |
574b8821 NC |
1165 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1166 | pTHX__VALUE, | |
fd0854ff DM |
1167 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1168 | sv->sv_debug_line, | |
1169 | sv->sv_debug_inpad ? "for" : "by", | |
1170 | sv->sv_debug_optype ? | |
1171 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1172 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1173 | sv->sv_debug_serial |
fd0854ff | 1174 | ); |
2aa47728 | 1175 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1176 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1177 | #endif |
eba0f806 DM |
1178 | } |
1179 | } | |
1180 | } | |
1181 | } | |
2aa47728 NC |
1182 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1183 | { | |
1184 | int status; | |
1185 | fd_set rset; | |
1186 | /* Wait for up to 4 seconds for child to terminate. | |
1187 | This seems to be the least effort way of timing out on reaping | |
1188 | its exit status. */ | |
1189 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1190 | int sock = PL_dumper_fd; |
2aa47728 NC |
1191 | |
1192 | shutdown(sock, 1); | |
1193 | FD_ZERO(&rset); | |
1194 | FD_SET(sock, &rset); | |
1195 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1196 | waitpid(child, &status, WNOHANG); | |
1197 | close(sock); | |
1198 | } | |
1199 | #endif | |
eba0f806 | 1200 | #endif |
77abb4c6 NC |
1201 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1202 | if (PL_sv_count) | |
1203 | abort(); | |
1204 | #endif | |
bf9cdc68 | 1205 | PL_sv_count = 0; |
eba0f806 | 1206 | |
56a2bab7 | 1207 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1208 | /* No more IO - including error messages ! */ |
1209 | PerlIO_cleanup(aTHX); | |
1210 | #endif | |
1211 | ||
9f4bd222 | 1212 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1213 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1214 | for no arg - and will try and SvREFCNT_dec it. |
1215 | */ | |
1216 | SvREFCNT(&PL_sv_undef) = 0; | |
1217 | SvREADONLY_off(&PL_sv_undef); | |
1218 | ||
3280af22 | 1219 | Safefree(PL_origfilename); |
bd61b366 | 1220 | PL_origfilename = NULL; |
43c5f42d | 1221 | Safefree(PL_reg_curpm); |
dd28f7bb | 1222 | free_tied_hv_pool(); |
3280af22 | 1223 | Safefree(PL_op_mask); |
cf36064f | 1224 | Safefree(PL_psig_name); |
bf9cdc68 | 1225 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1226 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1227 | { |
1228 | /* We need to NULL PL_psig_pend first, so that | |
1229 | signal handlers know not to use it */ | |
1230 | int *psig_save = PL_psig_pend; | |
1231 | PL_psig_pend = (int*)NULL; | |
1232 | Safefree(psig_save); | |
1233 | } | |
6e72f9df | 1234 | nuke_stacks(); |
284167a5 S |
1235 | TAINTING_set(FALSE); |
1236 | TAINT_WARN_set(FALSE); | |
3280af22 | 1237 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1238 | PL_debug = 0; |
ac27b0f5 | 1239 | |
a0d0e21e | 1240 | DEBUG_P(debprofdump()); |
d33b2eba | 1241 | |
e5dd39fc | 1242 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1243 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1244 | #endif |
1245 | ||
612f20c3 GS |
1246 | sv_free_arenas(); |
1247 | ||
5d9a96ca DM |
1248 | while (PL_regmatch_slab) { |
1249 | regmatch_slab *s = PL_regmatch_slab; | |
1250 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1251 | Safefree(s); | |
1252 | } | |
1253 | ||
fc36a67e | 1254 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1255 | ||
3280af22 | 1256 | if (PL_mess_sv) { |
f350b448 NC |
1257 | /* we know that type == SVt_PVMG */ |
1258 | ||
9c63abab | 1259 | /* it could have accumulated taint magic */ |
f350b448 NC |
1260 | MAGIC* mg; |
1261 | MAGIC* moremagic; | |
1262 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1263 | moremagic = mg->mg_moremagic; | |
1264 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1265 | && mg->mg_len >= 0) | |
1266 | Safefree(mg->mg_ptr); | |
1267 | Safefree(mg); | |
9c63abab | 1268 | } |
f350b448 | 1269 | |
fc36a67e | 1270 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1271 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1272 | Safefree(SvANY(PL_mess_sv)); |
1273 | Safefree(PL_mess_sv); | |
a0714e2c | 1274 | PL_mess_sv = NULL; |
fc36a67e | 1275 | } |
37038d91 | 1276 | return STATUS_EXIT; |
79072805 LW |
1277 | } |
1278 | ||
954c1994 GS |
1279 | /* |
1280 | =for apidoc perl_free | |
1281 | ||
1282 | Releases a Perl interpreter. See L<perlembed>. | |
1283 | ||
1284 | =cut | |
1285 | */ | |
1286 | ||
79072805 | 1287 | void |
0cb96387 | 1288 | perl_free(pTHXx) |
79072805 | 1289 | { |
5174512c NC |
1290 | dVAR; |
1291 | ||
7918f24d NC |
1292 | PERL_ARGS_ASSERT_PERL_FREE; |
1293 | ||
c301d606 DM |
1294 | if (PL_veto_cleanup) |
1295 | return; | |
1296 | ||
7cb608b5 | 1297 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1298 | { |
1299 | /* | |
1300 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1301 | * value as we're probably hunting memory leaks then | |
1302 | */ | |
36e77d41 | 1303 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1304 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1305 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1306 | thread at thread exit. */ | |
4fd0a9b8 NC |
1307 | if (DEBUG_m_TEST) { |
1308 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1309 | "free this thread's memory\n"); | |
1310 | PL_debug &= ~ DEBUG_m_FLAG; | |
1311 | } | |
55ef9aae MHM |
1312 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1313 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1314 | PL_debug = old_debug; |
55ef9aae MHM |
1315 | } |
1316 | } | |
7cb608b5 NC |
1317 | #endif |
1318 | ||
acfe0abc | 1319 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1320 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1321 | { |
acfe0abc | 1322 | # ifdef NETWARE |
7af12a34 | 1323 | void *host = nw_internal_host; |
acfe0abc | 1324 | # else |
7af12a34 | 1325 | void *host = w32_internal_host; |
acfe0abc | 1326 | # endif |
7af12a34 | 1327 | PerlMem_free(aTHXx); |
acfe0abc | 1328 | # ifdef NETWARE |
7af12a34 | 1329 | nw_delete_internal_host(host); |
acfe0abc | 1330 | # else |
7af12a34 | 1331 | win32_delete_internal_host(host); |
acfe0abc | 1332 | # endif |
7af12a34 | 1333 | } |
1c0ca838 GS |
1334 | # else |
1335 | PerlMem_free(aTHXx); | |
1336 | # endif | |
acfe0abc GS |
1337 | #else |
1338 | PerlMem_free(aTHXx); | |
76e3520e | 1339 | #endif |
79072805 LW |
1340 | } |
1341 | ||
b7f7fff6 | 1342 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1343 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1344 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1345 | ||
826955bd | 1346 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1347 | #pragma fini "perl_fini" |
666ad1ec GA |
1348 | #elif defined(__sun) && !defined(__GNUC__) |
1349 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1350 | #endif |
1351 | ||
0dbb1585 AL |
1352 | static void |
1353 | #if defined(__GNUC__) | |
1354 | __attribute__((destructor)) | |
aebd1ac7 | 1355 | #endif |
de009b76 | 1356 | perl_fini(void) |
aebd1ac7 | 1357 | { |
27da23d5 | 1358 | dVAR; |
c301d606 | 1359 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1360 | FREE_THREAD_KEY; |
1361 | } | |
1362 | ||
1363 | #endif /* WIN32 */ | |
1364 | #endif /* THREADS */ | |
1365 | ||
4b556e6c | 1366 | void |
864dbfa3 | 1367 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1368 | { |
97aff369 | 1369 | dVAR; |
3280af22 NIS |
1370 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1371 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1372 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1373 | ++PL_exitlistlen; | |
4b556e6c JD |
1374 | } |
1375 | ||
b7975bdd NC |
1376 | STATIC void |
1377 | S_set_caret_X(pTHX) { | |
97aff369 | 1378 | dVAR; |
fafc274c | 1379 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd | 1380 | if (tmpgv) { |
0f1723e1 | 1381 | SV *const caret_x = GvSV(tmpgv); |
82552a95 NC |
1382 | #if defined(OS2) |
1383 | sv_setpv(caret_x, os2_execname(aTHX)); | |
1384 | #else | |
2982a345 NC |
1385 | # ifdef USE_KERN_PROC_PATHNAME |
1386 | size_t size = 0; | |
1387 | int mib[4]; | |
1388 | mib[0] = CTL_KERN; | |
1389 | mib[1] = KERN_PROC; | |
1390 | mib[2] = KERN_PROC_PATHNAME; | |
1391 | mib[3] = -1; | |
1392 | ||
1393 | if (sysctl(mib, 4, NULL, &size, NULL, 0) == 0 | |
1394 | && size > 0 && size < MAXPATHLEN * MAXPATHLEN) { | |
1395 | sv_grow(caret_x, size); | |
1396 | ||
1397 | if (sysctl(mib, 4, SvPVX(caret_x), &size, NULL, 0) == 0 | |
1398 | && size > 2) { | |
1399 | SvPOK_only(caret_x); | |
1400 | SvCUR_set(caret_x, size - 1); | |
1401 | SvTAINT(caret_x); | |
1402 | return; | |
1403 | } | |
1404 | } | |
ae60cb46 NC |
1405 | # elif defined(USE_NSGETEXECUTABLEPATH) |
1406 | char buf[1]; | |
1407 | uint32_t size = sizeof(buf); | |
ae60cb46 NC |
1408 | |
1409 | _NSGetExecutablePath(buf, &size); | |
1410 | if (size < MAXPATHLEN * MAXPATHLEN) { | |
1411 | sv_grow(caret_x, size); | |
1412 | if (_NSGetExecutablePath(SvPVX(caret_x), &size) == 0) { | |
1413 | char *const tidied = realpath(SvPVX(caret_x), NULL); | |
1414 | if (tidied) { | |
1415 | sv_setpv(caret_x, tidied); | |
1416 | free(tidied); | |
1417 | } else { | |
1418 | SvPOK_only(caret_x); | |
1419 | SvCUR_set(caret_x, size); | |
1420 | } | |
1421 | return; | |
1422 | } | |
1423 | } | |
2982a345 | 1424 | # elif defined(HAS_PROCSELFEXE) |
700dd4f8 NC |
1425 | char buf[MAXPATHLEN]; |
1426 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1427 | ||
1428 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1429 | includes a spurious NUL which will cause $^X to fail in system | |
1430 | or backticks (this will prevent extensions from being built and | |
1431 | many tests from working). readlink is not meant to add a NUL. | |
1432 | Normal readlink works fine. | |
1433 | */ | |
1434 | if (len > 0 && buf[len-1] == '\0') { | |
1435 | len--; | |
1436 | } | |
1437 | ||
1438 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1439 | returning the text "unknown" from the readlink rather than the path | |
1440 | to the executable (or returning an error from the readlink). Any | |
1441 | valid path has a '/' in it somewhere, so use that to validate the | |
1442 | result. See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1443 | */ | |
1444 | if (len > 0 && memchr(buf, '/', len)) { | |
1445 | sv_setpvn(caret_x, buf, len); | |
82552a95 | 1446 | return; |
700dd4f8 | 1447 | } |
82552a95 NC |
1448 | # endif |
1449 | /* Fallback to this: */ | |
0f1723e1 | 1450 | sv_setpv(caret_x, PL_origargv[0]); |
b7975bdd | 1451 | #endif |
b7975bdd NC |
1452 | } |
1453 | } | |
1454 | ||
954c1994 GS |
1455 | /* |
1456 | =for apidoc perl_parse | |
1457 | ||
1458 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1459 | ||
1460 | =cut | |
1461 | */ | |
1462 | ||
03d9f026 FC |
1463 | #define SET_CURSTASH(newstash) \ |
1464 | if (PL_curstash != newstash) { \ | |
1465 | SvREFCNT_dec(PL_curstash); \ | |
1466 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1467 | } | |
1468 | ||
79072805 | 1469 | int |
0cb96387 | 1470 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1471 | { |
27da23d5 | 1472 | dVAR; |
6224f72b | 1473 | I32 oldscope; |
6224f72b | 1474 | int ret; |
db36c5a1 | 1475 | dJMPENV; |
8d063cd8 | 1476 | |
7918f24d NC |
1477 | PERL_ARGS_ASSERT_PERL_PARSE; |
1478 | #ifndef MULTIPLICITY | |
ed6c66dd | 1479 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1480 | #endif |
7dc86639 | 1481 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1482 | { |
7dc86639 YO |
1483 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1484 | ||
1485 | if (s && (atoi(s) == 1)) { | |
1486 | unsigned char *seed= PERL_HASH_SEED; | |
1487 | unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
1488 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); | |
1489 | while (seed < seed_end) { | |
1490 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1491 | } | |
6a5b4183 YO |
1492 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1493 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1494 | PL_HASH_RAND_BITS_ENABLED, | |
1495 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1496 | #endif | |
7dc86639 YO |
1497 | PerlIO_printf(Perl_debug_log, "\n"); |
1498 | } | |
b0891165 JH |
1499 | } |
1500 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3280af22 | 1501 | PL_origargc = argc; |
e2975953 | 1502 | PL_origargv = argv; |
a0d0e21e | 1503 | |
a2722ac9 GA |
1504 | if (PL_origalen != 0) { |
1505 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1506 | } | |
1507 | else { | |
3cb9023d JH |
1508 | /* Set PL_origalen be the sum of the contiguous argv[] |
1509 | * elements plus the size of the env in case that it is | |
e9137a8e | 1510 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1511 | * as the maximum modifiable length of $0. In the worst case |
1512 | * the area we are able to modify is limited to the size of | |
43c32782 | 1513 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1514 | * --jhi */ |
e1ec3a88 | 1515 | const char *s = NULL; |
54bfe034 | 1516 | int i; |
1b6737cc | 1517 | const UV mask = |
7d8e7db3 | 1518 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1519 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1520 | const UV aligned = |
43c32782 JH |
1521 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1522 | ||
1523 | /* See if all the arguments are contiguous in memory. Note | |
1524 | * that 'contiguous' is a loose term because some platforms | |
1525 | * align the argv[] and the envp[]. If the arguments look | |
1526 | * like non-aligned, assume that they are 'strictly' or | |
1527 | * 'traditionally' contiguous. If the arguments look like | |
1528 | * aligned, we just check that they are within aligned | |
1529 | * PTRSIZE bytes. As long as no system has something bizarre | |
1530 | * like the argv[] interleaved with some other data, we are | |
1531 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1532 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1533 | while (*s) s++; | |
1534 | for (i = 1; i < PL_origargc; i++) { | |
1535 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1536 | #ifdef OS2 |
c8941eeb | 1537 | || PL_origargv[i] == s + 2 |
43c32782 | 1538 | #endif |
c8941eeb JH |
1539 | ) |
1540 | || | |
1541 | (aligned && | |
1542 | (PL_origargv[i] > s && | |
1543 | PL_origargv[i] <= | |
1544 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1545 | ) | |
1546 | { | |
1547 | s = PL_origargv[i]; | |
1548 | while (*s) s++; | |
1549 | } | |
1550 | else | |
1551 | break; | |
54bfe034 | 1552 | } |
54bfe034 | 1553 | } |
a4a109c2 JD |
1554 | |
1555 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1556 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1557 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1558 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1559 | || |
1560 | (aligned && | |
1561 | (PL_origenviron[0] > s && | |
1562 | PL_origenviron[0] <= | |
1563 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1564 | ) | |
1565 | { | |
9d419b5f | 1566 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1567 | s = PL_origenviron[0]; |
1568 | while (*s) s++; | |
1569 | #endif | |
bd61b366 | 1570 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1571 | /* Force copy of environment. */ |
1572 | for (i = 1; PL_origenviron[i]; i++) { | |
1573 | if (PL_origenviron[i] == s + 1 | |
1574 | || | |
1575 | (aligned && | |
1576 | (PL_origenviron[i] > s && | |
1577 | PL_origenviron[i] <= | |
1578 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1579 | ) | |
1580 | { | |
1581 | s = PL_origenviron[i]; | |
1582 | while (*s) s++; | |
1583 | } | |
1584 | else | |
1585 | break; | |
54bfe034 | 1586 | } |
43c32782 | 1587 | } |
54bfe034 | 1588 | } |
a4a109c2 JD |
1589 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1590 | ||
2d2af554 | 1591 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1592 | } |
1593 | ||
3280af22 | 1594 | if (PL_do_undump) { |
a0d0e21e LW |
1595 | |
1596 | /* Come here if running an undumped a.out. */ | |
1597 | ||
3280af22 NIS |
1598 | PL_origfilename = savepv(argv[0]); |
1599 | PL_do_undump = FALSE; | |
a0d0e21e | 1600 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1601 | init_ids(); |
284167a5 | 1602 | assert (!TAINT_get); |
b7975bdd NC |
1603 | TAINT; |
1604 | S_set_caret_X(aTHX); | |
1605 | TAINT_NOT; | |
a0d0e21e LW |
1606 | init_postdump_symbols(argc,argv,env); |
1607 | return 0; | |
1608 | } | |
1609 | ||
3280af22 | 1610 | if (PL_main_root) { |
3280af22 | 1611 | op_free(PL_main_root); |
5f66b61c | 1612 | PL_main_root = NULL; |
ff0cee69 | 1613 | } |
5f66b61c | 1614 | PL_main_start = NULL; |
3280af22 | 1615 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1616 | PL_main_cv = NULL; |
79072805 | 1617 | |
3280af22 NIS |
1618 | time(&PL_basetime); |
1619 | oldscope = PL_scopestack_ix; | |
599cee73 | 1620 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1621 | |
14dd3ad8 | 1622 | JMPENV_PUSH(ret); |
6224f72b | 1623 | switch (ret) { |
312caa8e | 1624 | case 0: |
14dd3ad8 | 1625 | parse_body(env,xsinit); |
9ebf26ad | 1626 | if (PL_unitcheckav) { |
3c10abe3 | 1627 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1628 | } |
1629 | if (PL_checkav) { | |
ca7b837b | 1630 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1631 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1632 | } |
14dd3ad8 GS |
1633 | ret = 0; |
1634 | break; | |
6224f72b GS |
1635 | case 1: |
1636 | STATUS_ALL_FAILURE; | |
1637 | /* FALL THROUGH */ | |
1638 | case 2: | |
1639 | /* my_exit() was called */ | |
3280af22 | 1640 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1641 | LEAVE; |
1642 | FREETMPS; | |
03d9f026 | 1643 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1644 | if (PL_unitcheckav) { |
3c10abe3 | 1645 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1646 | } |
1647 | if (PL_checkav) { | |
ca7b837b | 1648 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1649 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1650 | } |
37038d91 | 1651 | ret = STATUS_EXIT; |
14dd3ad8 | 1652 | break; |
6224f72b | 1653 | case 3: |
bf49b057 | 1654 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1655 | ret = 1; |
1656 | break; | |
6224f72b | 1657 | } |
14dd3ad8 GS |
1658 | JMPENV_POP; |
1659 | return ret; | |
1660 | } | |
1661 | ||
4a5df386 NC |
1662 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1663 | miniperl, and we need to see those flags reflected in the values here. */ | |
1664 | ||
1665 | /* What this returns is subject to change. Use the public interface in Config. | |
1666 | */ | |
1667 | static void | |
1668 | S_Internals_V(pTHX_ CV *cv) | |
1669 | { | |
1670 | dXSARGS; | |
1671 | #ifdef LOCAL_PATCH_COUNT | |
1672 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1673 | #else | |
1674 | const int local_patch_count = 0; | |
1675 | #endif | |
2dc296d2 | 1676 | const int entries = 3 + local_patch_count; |
4a5df386 | 1677 | int i; |
fe1c5936 | 1678 | static const char non_bincompat_options[] = |
4a5df386 NC |
1679 | # ifdef DEBUGGING |
1680 | " DEBUGGING" | |
1681 | # endif | |
1682 | # ifdef NO_MATHOMS | |
0d311fbe | 1683 | " NO_MATHOMS" |
4a5df386 | 1684 | # endif |
59b86f4b DM |
1685 | # ifdef NO_HASH_SEED |
1686 | " NO_HASH_SEED" | |
1687 | # endif | |
3b0e4ee2 MB |
1688 | # ifdef NO_TAINT_SUPPORT |
1689 | " NO_TAINT_SUPPORT" | |
1690 | # endif | |
4a5df386 NC |
1691 | # ifdef PERL_DISABLE_PMC |
1692 | " PERL_DISABLE_PMC" | |
1693 | # endif | |
1694 | # ifdef PERL_DONT_CREATE_GVSV | |
1695 | " PERL_DONT_CREATE_GVSV" | |
1696 | # endif | |
9a044a43 NC |
1697 | # ifdef PERL_EXTERNAL_GLOB |
1698 | " PERL_EXTERNAL_GLOB" | |
1699 | # endif | |
59b86f4b DM |
1700 | # ifdef PERL_HASH_FUNC_SIPHASH |
1701 | " PERL_HASH_FUNC_SIPHASH" | |
1702 | # endif | |
1703 | # ifdef PERL_HASH_FUNC_SDBM | |
1704 | " PERL_HASH_FUNC_SDBM" | |
1705 | # endif | |
1706 | # ifdef PERL_HASH_FUNC_DJB2 | |
1707 | " PERL_HASH_FUNC_DJB2" | |
1708 | # endif | |
1709 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1710 | " PERL_HASH_FUNC_SUPERFAST" | |
1711 | # endif | |
1712 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1713 | " PERL_HASH_FUNC_MURMUR3" | |
1714 | # endif | |
1715 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1716 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1717 | # endif | |
1718 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1719 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1720 | # endif | |
1721 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1722 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1723 | # endif | |
4a5df386 NC |
1724 | # ifdef PERL_IS_MINIPERL |
1725 | " PERL_IS_MINIPERL" | |
1726 | # endif | |
1727 | # ifdef PERL_MALLOC_WRAP | |
1728 | " PERL_MALLOC_WRAP" | |
1729 | # endif | |
1730 | # ifdef PERL_MEM_LOG | |
1731 | " PERL_MEM_LOG" | |
1732 | # endif | |
1733 | # ifdef PERL_MEM_LOG_NOIMPL | |
1734 | " PERL_MEM_LOG_NOIMPL" | |
1735 | # endif | |
2542212d DM |
1736 | # ifdef PERL_NEW_COPY_ON_WRITE |
1737 | " PERL_NEW_COPY_ON_WRITE" | |
1738 | # endif | |
59b86f4b DM |
1739 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1740 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1741 | # endif | |
1742 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1743 | " PERL_PERTURB_KEYS_DISABLED" | |
1744 | # endif | |
1745 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1746 | " PERL_PERTURB_KEYS_RANDOM" | |
1747 | # endif | |
c3cf41ec NC |
1748 | # ifdef PERL_PRESERVE_IVUV |
1749 | " PERL_PRESERVE_IVUV" | |
1750 | # endif | |
c051e30b NC |
1751 | # ifdef PERL_RELOCATABLE_INCPUSH |
1752 | " PERL_RELOCATABLE_INCPUSH" | |
1753 | # endif | |
4a5df386 NC |
1754 | # ifdef PERL_USE_DEVEL |
1755 | " PERL_USE_DEVEL" | |
1756 | # endif | |
1757 | # ifdef PERL_USE_SAFE_PUTENV | |
1758 | " PERL_USE_SAFE_PUTENV" | |
1759 | # endif | |
a3749cf3 NC |
1760 | # ifdef UNLINK_ALL_VERSIONS |
1761 | " UNLINK_ALL_VERSIONS" | |
1762 | # endif | |
de618ee4 NC |
1763 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1764 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1765 | # endif | |
4a5df386 NC |
1766 | # ifdef USE_FAST_STDIO |
1767 | " USE_FAST_STDIO" | |
1768 | # endif | |
59b86f4b DM |
1769 | # ifdef USE_HASH_SEED_EXPLICIT |
1770 | " USE_HASH_SEED_EXPLICIT" | |
1771 | # endif | |
98548bdf NC |
1772 | # ifdef USE_LOCALE |
1773 | " USE_LOCALE" | |
1774 | # endif | |
98548bdf NC |
1775 | # ifdef USE_LOCALE_CTYPE |
1776 | " USE_LOCALE_CTYPE" | |
1777 | # endif | |
5a8d8935 NC |
1778 | # ifdef USE_PERL_ATOF |
1779 | " USE_PERL_ATOF" | |
1780 | # endif | |
0d311fbe NC |
1781 | # ifdef USE_SITECUSTOMIZE |
1782 | " USE_SITECUSTOMIZE" | |
1783 | # endif | |
4a5df386 NC |
1784 | ; |
1785 | PERL_UNUSED_ARG(cv); | |
1786 | PERL_UNUSED_ARG(items); | |
1787 | ||
1788 | EXTEND(SP, entries); | |
1789 | ||
1790 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1791 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1792 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1793 | ||
1794 | #ifdef __DATE__ | |
1795 | # ifdef __TIME__ | |
1796 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1797 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1798 | SVs_TEMP)); | |
1799 | # else | |
1800 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1801 | SVs_TEMP)); | |
1802 | # endif | |
1803 | #else | |
1804 | PUSHs(&PL_sv_undef); | |
1805 | #endif | |
1806 | ||
4a5df386 NC |
1807 | for (i = 1; i <= local_patch_count; i++) { |
1808 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1809 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1810 | } | |
1811 | ||
1812 | XSRETURN(entries); | |
1813 | } | |
1814 | ||
be71fc8f NC |
1815 | #define INCPUSH_UNSHIFT 0x01 |
1816 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1817 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1818 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1819 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1820 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1821 | #define INCPUSH_ADD_SUB_DIRS \ |
1822 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1823 | |
312caa8e | 1824 | STATIC void * |
14dd3ad8 | 1825 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1826 | { |
27da23d5 | 1827 | dVAR; |
2f9285f8 | 1828 | PerlIO *rsfp; |
312caa8e | 1829 | int argc = PL_origargc; |
8f42b153 | 1830 | char **argv = PL_origargv; |
e1ec3a88 | 1831 | const char *scriptname = NULL; |
312caa8e | 1832 | VOL bool dosearch = FALSE; |
eb578fdb | 1833 | char c; |
737c24fc | 1834 | bool doextract = FALSE; |
bd61b366 | 1835 | const char *cddir = NULL; |
ab019eaa | 1836 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1837 | bool minus_f = FALSE; |
ab019eaa | 1838 | #endif |
95670bde | 1839 | SV *linestr_sv = NULL; |
5486870f | 1840 | bool add_read_e_script = FALSE; |
87606032 | 1841 | U32 lex_start_flags = 0; |
009d90df | 1842 | |
ca7b837b | 1843 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1844 | |
6224f72b | 1845 | init_main_stash(); |
54310121 | 1846 | |
c7030b81 NC |
1847 | { |
1848 | const char *s; | |
6224f72b GS |
1849 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1850 | if (argv[0][0] != '-' || !argv[0][1]) | |
1851 | break; | |
6224f72b GS |
1852 | s = argv[0]+1; |
1853 | reswitch: | |
47f56822 | 1854 | switch ((c = *s)) { |
729a02f2 | 1855 | case 'C': |
1d5472a9 GS |
1856 | #ifndef PERL_STRICT_CR |
1857 | case '\r': | |
1858 | #endif | |
6224f72b GS |
1859 | case ' ': |
1860 | case '0': | |
1861 | case 'F': | |
1862 | case 'a': | |
1863 | case 'c': | |
1864 | case 'd': | |
1865 | case 'D': | |
1866 | case 'h': | |
1867 | case 'i': | |
1868 | case 'l': | |
1869 | case 'M': | |
1870 | case 'm': | |
1871 | case 'n': | |
1872 | case 'p': | |
1873 | case 's': | |
1874 | case 'u': | |
1875 | case 'U': | |
1876 | case 'v': | |
599cee73 PM |
1877 | case 'W': |
1878 | case 'X': | |
6224f72b | 1879 | case 'w': |
97bd5664 | 1880 | if ((s = moreswitches(s))) |
6224f72b GS |
1881 | goto reswitch; |
1882 | break; | |
33b78306 | 1883 | |
1dbad523 | 1884 | case 't': |
284167a5 S |
1885 | #if SILENT_NO_TAINT_SUPPORT |
1886 | /* silently ignore */ | |
1887 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1888 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1889 | "Cowardly refusing to run with -t or -T flags"); |
1890 | #else | |
22f7c9c9 | 1891 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1892 | if( !TAINTING_get ) { |
1893 | TAINT_WARN_set(TRUE); | |
1894 | TAINTING_set(TRUE); | |
317ea90d | 1895 | } |
284167a5 | 1896 | #endif |
317ea90d MS |
1897 | s++; |
1898 | goto reswitch; | |
6224f72b | 1899 | case 'T': |
284167a5 S |
1900 | #if SILENT_NO_TAINT_SUPPORT |
1901 | /* silently ignore */ | |
1902 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1903 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1904 | "Cowardly refusing to run with -t or -T flags"); |
1905 | #else | |
22f7c9c9 | 1906 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1907 | TAINTING_set(TRUE); |
1908 | TAINT_WARN_set(FALSE); | |
1909 | #endif | |
6224f72b GS |
1910 | s++; |
1911 | goto reswitch; | |
f86702cc | 1912 | |
bc9b29db RH |
1913 | case 'E': |
1914 | PL_minus_E = TRUE; | |
1915 | /* FALL THROUGH */ | |
6224f72b | 1916 | case 'e': |
f20b2998 | 1917 | forbid_setid('e', FALSE); |
3280af22 | 1918 | if (!PL_e_script) { |
396482e1 | 1919 | PL_e_script = newSVpvs(""); |
5486870f | 1920 | add_read_e_script = TRUE; |
6224f72b GS |
1921 | } |
1922 | if (*++s) | |
3280af22 | 1923 | sv_catpv(PL_e_script, s); |
6224f72b | 1924 | else if (argv[1]) { |
3280af22 | 1925 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1926 | argc--,argv++; |
1927 | } | |
1928 | else | |
47f56822 | 1929 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1930 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1931 | break; |
afe37c7d | 1932 | |
20ef40cf | 1933 | case 'f': |
f5542d3a | 1934 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1935 | minus_f = TRUE; |
f5542d3a | 1936 | #endif |
20ef40cf GA |
1937 | s++; |
1938 | goto reswitch; | |
1939 | ||
6224f72b | 1940 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1941 | forbid_setid('I', FALSE); |
bd61b366 | 1942 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1943 | argc--,argv++; |
1944 | } | |
6224f72b | 1945 | if (s && *s) { |
0df16ed7 | 1946 | STRLEN len = strlen(s); |
55b4bc1c | 1947 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1948 | } |
1949 | else | |
a67e862a | 1950 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1951 | break; |
6224f72b | 1952 | case 'S': |
f20b2998 | 1953 | forbid_setid('S', FALSE); |
6224f72b GS |
1954 | dosearch = TRUE; |
1955 | s++; | |
1956 | goto reswitch; | |
1957 | case 'V': | |
7edfd0ef NC |
1958 | { |
1959 | SV *opts_prog; | |
1960 | ||
7edfd0ef | 1961 | if (*++s != ':') { |
37ca4a5b | 1962 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1963 | } |
1964 | else { | |
1965 | ++s; | |
1966 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1967 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1968 | 0, s, 0); |
1969 | s += strlen(s); | |
1970 | } | |
37ca4a5b | 1971 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1972 | /* don't look for script or read stdin */ |
1973 | scriptname = BIT_BUCKET; | |
1974 | goto reswitch; | |
6224f72b | 1975 | } |
6224f72b | 1976 | case 'x': |
737c24fc | 1977 | doextract = TRUE; |
6224f72b | 1978 | s++; |
304334da | 1979 | if (*s) |
f4c556ac | 1980 | cddir = s; |
6224f72b GS |
1981 | break; |
1982 | case 0: | |
1983 | break; | |
1984 | case '-': | |
1985 | if (!*++s || isSPACE(*s)) { | |
1986 | argc--,argv++; | |
1987 | goto switch_end; | |
1988 | } | |
ee8bc8b7 NC |
1989 | /* catch use of gnu style long options. |
1990 | Both of these exit immediately. */ | |
1991 | if (strEQ(s, "version")) | |
1992 | minus_v(); | |
1993 | if (strEQ(s, "help")) | |
1994 | usage(); | |
6224f72b GS |
1995 | s--; |
1996 | /* FALL THROUGH */ | |
1997 | default: | |
cea2e8a9 | 1998 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1999 | } |
2000 | } | |
c7030b81 NC |
2001 | } |
2002 | ||
6224f72b | 2003 | switch_end: |
54310121 | 2004 | |
c7030b81 NC |
2005 | { |
2006 | char *s; | |
2007 | ||
f675dbe5 CB |
2008 | if ( |
2009 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2010 | !TAINTING_get && |
f675dbe5 | 2011 | #endif |
cf756827 | 2012 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2013 | { |
74288ac8 GS |
2014 | while (isSPACE(*s)) |
2015 | s++; | |
317ea90d | 2016 | if (*s == '-' && *(s+1) == 'T') { |
284167a5 S |
2017 | #if SILENT_NO_TAINT_SUPPORT |
2018 | /* silently ignore */ | |
2019 | #elif NO_TAINT_SUPPORT | |
3231f579 | 2020 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2021 | "Cowardly refusing to run with -t or -T flags"); |
2022 | #else | |
22f7c9c9 | 2023 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2024 | TAINTING_set(TRUE); |
2025 | TAINT_WARN_set(FALSE); | |
2026 | #endif | |
317ea90d | 2027 | } |
74288ac8 | 2028 | else { |
bd61b366 | 2029 | char *popt_copy = NULL; |
74288ac8 | 2030 | while (s && *s) { |
54913509 | 2031 | const char *d; |
74288ac8 GS |
2032 | while (isSPACE(*s)) |
2033 | s++; | |
2034 | if (*s == '-') { | |
2035 | s++; | |
2036 | if (isSPACE(*s)) | |
2037 | continue; | |
2038 | } | |
4ea8f8fb | 2039 | d = s; |
74288ac8 GS |
2040 | if (!*s) |
2041 | break; | |
2b622f1a | 2042 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2043 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2044 | while (++s && *s) { |
2045 | if (isSPACE(*s)) { | |
cf756827 | 2046 | if (!popt_copy) { |
bfa6c418 NC |
2047 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2048 | s = popt_copy + (s - d); | |
2049 | d = popt_copy; | |
cf756827 | 2050 | } |
4ea8f8fb MS |
2051 | *s++ = '\0'; |
2052 | break; | |
2053 | } | |
2054 | } | |
1c4db469 | 2055 | if (*d == 't') { |
284167a5 S |
2056 | #if SILENT_NO_TAINT_SUPPORT |
2057 | /* silently ignore */ | |
2058 | #elif NO_TAINT_SUPPORT | |
3231f579 | 2059 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2060 | "Cowardly refusing to run with -t or -T flags"); |
2061 | #else | |
2062 | if( !TAINTING_get) { | |
2063 | TAINT_WARN_set(TRUE); | |
2064 | TAINTING_set(TRUE); | |
317ea90d | 2065 | } |
284167a5 | 2066 | #endif |
1c4db469 | 2067 | } else { |
97bd5664 | 2068 | moreswitches(d); |
1c4db469 | 2069 | } |
6224f72b | 2070 | } |
6224f72b GS |
2071 | } |
2072 | } | |
c7030b81 | 2073 | } |
a0d0e21e | 2074 | |
c29067d7 CH |
2075 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2076 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2077 | assert (!TAINT_get); |
c29067d7 CH |
2078 | TAINT; |
2079 | S_set_caret_X(aTHX); | |
2080 | TAINT_NOT; | |
2081 | ||
43c0c913 | 2082 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2083 | if (!minus_f) { |
43c0c913 | 2084 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2085 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2086 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2087 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2088 | # ifdef PERL_IS_MINIPERL |
2089 | AV *const inc = GvAV(PL_incgv); | |
2090 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2091 | ||
2092 | if (inc0) { | |
2093 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2094 | Perl_newSVpvf(aTHX_ | |
fc81b718 NC |
2095 | "BEGIN { do {local $!; -f q%c%"SVf"/buildcustomize.pl%c} && do q%c%"SVf"/buildcustomize.pl%c }", |
2096 | 0, *inc0, 0, | |
2097 | 0, *inc0, 0)); | |
43c0c913 NC |
2098 | } |
2099 | # else | |
2100 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2101 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2102 | if (raw_sitelib) { |
2103 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2104 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2105 | INCPUSH_CAN_RELOCATE); | |
2106 | const char *const sitelib = SvPVX(sitelib_sv); | |
2107 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2108 | Perl_newSVpvf(aTHX_ | |
2109 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
2110 | 0, sitelib, 0, | |
2111 | 0, sitelib, 0)); | |
2112 | assert (SvREFCNT(sitelib_sv) == 1); | |
2113 | SvREFCNT_dec(sitelib_sv); | |
2114 | } | |
43c0c913 | 2115 | # endif |
20ef40cf GA |
2116 | } |
2117 | #endif | |
2118 | ||
6224f72b GS |
2119 | if (!scriptname) |
2120 | scriptname = argv[0]; | |
3280af22 | 2121 | if (PL_e_script) { |
6224f72b GS |
2122 | argc++,argv--; |
2123 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2124 | } | |
bd61b366 | 2125 | else if (scriptname == NULL) { |
6224f72b GS |
2126 | #ifdef MSDOS |
2127 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2128 | moreswitches("h"); |
6224f72b GS |
2129 | #endif |
2130 | scriptname = "-"; | |
2131 | } | |
2132 | ||
284167a5 | 2133 | assert (!TAINT_get); |
2cace6ac | 2134 | init_perllib(); |
6224f72b | 2135 | |
a52eba0e | 2136 | { |
f20b2998 | 2137 | bool suidscript = FALSE; |
829372d3 | 2138 | |
8d113837 | 2139 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2140 | if (!rsfp) { |
2141 | rsfp = PerlIO_stdin(); | |
87606032 | 2142 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2143 | } |
6224f72b | 2144 | |
b24bc095 | 2145 | validate_suid(rsfp); |
6224f72b | 2146 | |
64ca3a65 | 2147 | #ifndef PERL_MICRO |
a52eba0e NC |
2148 | # if defined(SIGCHLD) || defined(SIGCLD) |
2149 | { | |
2150 | # ifndef SIGCHLD | |
2151 | # define SIGCHLD SIGCLD | |
2152 | # endif | |
2153 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2154 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2155 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2156 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2157 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2158 | } | |
0b5b802d | 2159 | } |
a52eba0e | 2160 | # endif |
64ca3a65 | 2161 | #endif |
0b5b802d | 2162 | |
737c24fc | 2163 | if (doextract) { |
faef540c | 2164 | |
f20b2998 | 2165 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2166 | setuid scripts. */ |
2167 | forbid_setid('x', suidscript); | |
f20b2998 | 2168 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2169 | |
95670bde NC |
2170 | linestr_sv = newSV_type(SVt_PV); |
2171 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2172 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2173 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2174 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2175 | } | |
f4c556ac | 2176 | } |
6224f72b | 2177 | |
ea726b52 | 2178 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2179 | CvUNIQUE_on(PL_compcv); |
2180 | ||
dd2155a4 | 2181 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2182 | |
dd69841b BB |
2183 | PL_isarev = newHV(); |
2184 | ||
0c4f7ff0 | 2185 | boot_core_PerlIO(); |
6224f72b | 2186 | boot_core_UNIVERSAL(); |
e1a479c5 | 2187 | boot_core_mro(); |
4a5df386 | 2188 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2189 | |
2190 | if (xsinit) | |
acfe0abc | 2191 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2192 | #ifndef PERL_MICRO |
739a0b84 | 2193 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2194 | init_os_extras(); |
6224f72b | 2195 | #endif |
64ca3a65 | 2196 | #endif |
6224f72b | 2197 | |
29209bc5 | 2198 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2199 | # ifdef HAS_SOCKS5_INIT |
2200 | socks5_init(argv[0]); | |
2201 | # else | |
29209bc5 | 2202 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2203 | # endif |
ac27b0f5 | 2204 | #endif |
29209bc5 | 2205 | |
6224f72b GS |
2206 | init_predump_symbols(); |
2207 | /* init_postdump_symbols not currently designed to be called */ | |
2208 | /* more than once (ENV isn't cleared first, for example) */ | |
2209 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2210 | if (!PL_do_undump) |
6224f72b GS |
2211 | init_postdump_symbols(argc,argv,env); |
2212 | ||
27da23d5 JH |
2213 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2214 | * or explicitly in some platforms. | |
085a54d9 | 2215 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2216 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2217 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2218 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2219 | #endif | |
e27b5b51 | 2220 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2221 | if (PL_unicode) { |
2222 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2223 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2224 | IO* io; |
2225 | PerlIO* fp; | |
2226 | SV* sv; | |
2227 | ||
a05d7ebb | 2228 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2229 | * and the default open disciplines. */ |
a05d7ebb JH |
2230 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2231 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2232 | (fp = IoIFP(io))) | |
2233 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2234 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2235 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2236 | (fp = IoOFP(io))) | |
2237 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2238 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2239 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2240 | (fp = IoOFP(io))) | |
2241 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2242 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2243 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2244 | SVt_PV)))) { | |
a05d7ebb JH |
2245 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2246 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2247 | if (in) { | |
2248 | if (out) | |
76f68e9b | 2249 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2250 | else |
76f68e9b | 2251 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2252 | } |
2253 | else if (out) | |
76f68e9b | 2254 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2255 | SvSETMAGIC(sv); |
2256 | } | |
b310b053 JH |
2257 | } |
2258 | } | |
e27b5b51 | 2259 | #endif |
b310b053 | 2260 | |
c7030b81 NC |
2261 | { |
2262 | const char *s; | |
4ffa73a3 JH |
2263 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2264 | if (strEQ(s, "unsafe")) | |
2265 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2266 | else if (strEQ(s, "safe")) | |
2267 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2268 | else | |
2269 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2270 | } | |
c7030b81 | 2271 | } |
4ffa73a3 | 2272 | |
81d86705 | 2273 | #ifdef PERL_MAD |
c7030b81 NC |
2274 | { |
2275 | const char *s; | |
284167a5 | 2276 | if (!TAINTING_get && |
2cc12391 | 2277 | (s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
81d86705 NC |
2278 | PL_madskills = 1; |
2279 | PL_minus_c = 1; | |
2280 | if (!s || !s[0]) | |
2281 | PL_xmlfp = PerlIO_stdout(); | |
2282 | else { | |
2283 | PL_xmlfp = PerlIO_open(s, "w"); | |
2284 | if (!PL_xmlfp) | |
2285 | Perl_croak(aTHX_ "Can't open %s", s); | |
2286 | } | |
1a9a51d4 | 2287 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2288 | } |
c7030b81 NC |
2289 | } |
2290 | ||
2291 | { | |
2292 | const char *s; | |
81d86705 NC |
2293 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2294 | PL_madskills = atoi(s); | |
1a9a51d4 | 2295 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2296 | } |
c7030b81 | 2297 | } |
81d86705 NC |
2298 | #endif |
2299 | ||
87606032 | 2300 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2301 | SvREFCNT_dec(linestr_sv); |
95670bde | 2302 | |
219f7226 | 2303 | PL_subname = newSVpvs("main"); |
6224f72b | 2304 | |
5486870f DM |
2305 | if (add_read_e_script) |
2306 | filter_add(read_e_script, NULL); | |
2307 | ||
6224f72b GS |
2308 | /* now parse the script */ |
2309 | ||
93189314 | 2310 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2311 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2312 | if (PL_minus_c) |
cea2e8a9 | 2313 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2314 | else { |
cea2e8a9 | 2315 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2316 | PL_origfilename); |
6224f72b GS |
2317 | } |
2318 | } | |
57843af0 | 2319 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2320 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2321 | if (PL_e_script) { |
2322 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2323 | PL_e_script = NULL; |
6224f72b GS |
2324 | } |
2325 | ||
3280af22 | 2326 | if (PL_do_undump) |
6224f72b GS |
2327 | my_unexec(); |
2328 | ||
57843af0 GS |
2329 | if (isWARN_ONCE) { |
2330 | SAVECOPFILE(PL_curcop); | |
2331 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2332 | gv_check(PL_defstash); |
57843af0 | 2333 | } |
6224f72b GS |
2334 | |
2335 | LEAVE; | |
2336 | FREETMPS; | |
2337 | ||
2338 | #ifdef MYMALLOC | |
f6a607bc RGS |
2339 | { |
2340 | const char *s; | |
6224f72b GS |
2341 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2342 | dump_mstats("after compilation:"); | |
f6a607bc | 2343 | } |
6224f72b GS |
2344 | #endif |
2345 | ||
2346 | ENTER; | |
febb3a6d | 2347 | PL_restartjmpenv = NULL; |
3280af22 | 2348 | PL_restartop = 0; |
312caa8e | 2349 | return NULL; |
6224f72b GS |
2350 | } |
2351 | ||
954c1994 GS |
2352 | /* |
2353 | =for apidoc perl_run | |
2354 | ||
2355 | Tells a Perl interpreter to run. See L<perlembed>. | |
2356 | ||
2357 | =cut | |
2358 | */ | |
2359 | ||
6224f72b | 2360 | int |
0cb96387 | 2361 | perl_run(pTHXx) |
6224f72b | 2362 | { |
97aff369 | 2363 | dVAR; |
6224f72b | 2364 | I32 oldscope; |
14dd3ad8 | 2365 | int ret = 0; |
db36c5a1 | 2366 | dJMPENV; |
6224f72b | 2367 | |
7918f24d NC |
2368 | PERL_ARGS_ASSERT_PERL_RUN; |
2369 | #ifndef MULTIPLICITY | |
ed6c66dd | 2370 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2371 | #endif |
9d4ba2ae | 2372 | |
3280af22 | 2373 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2374 | #ifdef VMS |
2375 | VMSISH_HUSHED = 0; | |
2376 | #endif | |
6224f72b | 2377 | |
14dd3ad8 | 2378 | JMPENV_PUSH(ret); |
6224f72b GS |
2379 | switch (ret) { |
2380 | case 1: | |
2381 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2382 | goto redo_body; |
14dd3ad8 | 2383 | case 0: /* normal completion */ |
14dd3ad8 GS |
2384 | redo_body: |
2385 | run_body(oldscope); | |
14dd3ad8 GS |
2386 | /* FALL THROUGH */ |
2387 | case 2: /* my_exit() */ | |
3280af22 | 2388 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2389 | LEAVE; |
2390 | FREETMPS; | |
03d9f026 | 2391 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2392 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2393 | PL_endav && !PL_minus_c) { |
ca7b837b | 2394 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2395 | call_list(oldscope, PL_endav); |
9ebf26ad | 2396 | } |
6224f72b GS |
2397 | #ifdef MYMALLOC |
2398 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2399 | dump_mstats("after execution: "); | |
2400 | #endif | |
37038d91 | 2401 | ret = STATUS_EXIT; |
14dd3ad8 | 2402 | break; |
6224f72b | 2403 | case 3: |
312caa8e CS |
2404 | if (PL_restartop) { |
2405 | POPSTACK_TO(PL_mainstack); | |
2406 | goto redo_body; | |
6224f72b | 2407 | } |
5637ef5b | 2408 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2409 | FREETMPS; |
14dd3ad8 GS |
2410 | ret = 1; |
2411 | break; | |
6224f72b GS |
2412 | } |
2413 | ||
14dd3ad8 GS |
2414 | JMPENV_POP; |
2415 | return ret; | |
312caa8e CS |
2416 | } |
2417 | ||
dd374669 | 2418 | STATIC void |
14dd3ad8 GS |
2419 | S_run_body(pTHX_ I32 oldscope) |
2420 | { | |
97aff369 | 2421 | dVAR; |
d3b97530 DM |
2422 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2423 | PL_sawampersand ? "Enabling" : "Omitting", | |
2424 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2425 | |
3280af22 | 2426 | if (!PL_restartop) { |
81d86705 NC |
2427 | #ifdef PERL_MAD |
2428 | if (PL_xmlfp) { | |
2429 | xmldump_all(); | |
2430 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2431 | } | |
2432 | #endif | |
cf2782cd | 2433 | #ifdef DEBUGGING |
f0e3f042 CS |
2434 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2435 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2436 | if (!DEBUG_q_TEST) |
2437 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2438 | #endif |
6224f72b | 2439 | |
3280af22 | 2440 | if (PL_minus_c) { |
bf49b057 | 2441 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2442 | my_exit(0); |
2443 | } | |
3280af22 | 2444 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2445 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad | 2446 | if (PL_initav) { |
ca7b837b | 2447 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2448 | call_list(oldscope, PL_initav); |
9ebf26ad | 2449 | } |
f1fac472 | 2450 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2451 | if (PL_main_root && PL_main_root->op_slabbed) |
2452 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2453 | #endif |
6224f72b GS |
2454 | } |
2455 | ||
2456 | /* do it */ | |
2457 | ||
ca7b837b | 2458 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2459 | |
3280af22 | 2460 | if (PL_restartop) { |
febb3a6d | 2461 | PL_restartjmpenv = NULL; |
533c011a | 2462 | PL_op = PL_restartop; |
3280af22 | 2463 | PL_restartop = 0; |
cea2e8a9 | 2464 | CALLRUNOPS(aTHX); |
6224f72b | 2465 | } |
3280af22 NIS |
2466 | else if (PL_main_start) { |
2467 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2468 | PL_op = PL_main_start; |
cea2e8a9 | 2469 | CALLRUNOPS(aTHX); |
6224f72b | 2470 | } |
f6b3007c | 2471 | my_exit(0); |
118e2215 | 2472 | assert(0); /* NOTREACHED */ |
6224f72b GS |
2473 | } |
2474 | ||
954c1994 | 2475 | /* |
ccfc67b7 JH |
2476 | =head1 SV Manipulation Functions |
2477 | ||
954c1994 GS |
2478 | =for apidoc p||get_sv |
2479 | ||
64ace3f8 NC |
2480 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2481 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2482 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2483 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2484 | |
2485 | =cut | |
2486 | */ | |
2487 | ||
6224f72b | 2488 | SV* |
64ace3f8 | 2489 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2490 | { |
2491 | GV *gv; | |
7918f24d NC |
2492 | |
2493 | PERL_ARGS_ASSERT_GET_SV; | |
2494 | ||
64ace3f8 | 2495 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2496 | if (gv) |
2497 | return GvSV(gv); | |
a0714e2c | 2498 | return NULL; |
6224f72b GS |
2499 | } |
2500 | ||
954c1994 | 2501 | /* |
ccfc67b7 JH |
2502 | =head1 Array Manipulation Functions |
2503 | ||
954c1994 GS |
2504 | =for apidoc p||get_av |
2505 | ||
f0b90de1 SF |
2506 | Returns the AV of the specified Perl global or package array with the given |
2507 | name (so it won't work on lexical variables). C<flags> are passed | |
2508 | to C<gv_fetchpv>. If C<GV_ADD> is set and the | |
cbfd0a87 NC |
2509 | Perl variable does not exist then it will be created. If C<flags> is zero |
2510 | and the variable does not exist then NULL is returned. | |
954c1994 | 2511 | |
f0b90de1 SF |
2512 | Perl equivalent: C<@{"$name"}>. |
2513 | ||
954c1994 GS |
2514 | =cut |
2515 | */ | |
2516 | ||
6224f72b | 2517 | AV* |
cbfd0a87 | 2518 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2519 | { |
cbfd0a87 | 2520 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2521 | |
2522 | PERL_ARGS_ASSERT_GET_AV; | |
2523 | ||
cbfd0a87 | 2524 | if (flags) |
6224f72b GS |
2525 | return GvAVn(gv); |
2526 | if (gv) | |
2527 | return GvAV(gv); | |
7d49f689 | 2528 | return NULL; |
6224f72b GS |
2529 | } |
2530 | ||
954c1994 | 2531 | /* |
ccfc67b7 JH |
2532 | =head1 Hash Manipulation Functions |
2533 | ||
954c1994 GS |
2534 | =for apidoc p||get_hv |
2535 | ||
6673a63c NC |
2536 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2537 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2538 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2539 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2540 | |
2541 | =cut | |
2542 | */ | |
2543 | ||
6224f72b | 2544 | HV* |
6673a63c | 2545 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2546 | { |
6673a63c | 2547 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2548 | |
2549 | PERL_ARGS_ASSERT_GET_HV; | |
2550 | ||
6673a63c | 2551 | if (flags) |
a0d0e21e LW |
2552 | return GvHVn(gv); |
2553 | if (gv) | |
2554 | return GvHV(gv); | |
5c284bb0 | 2555 | return NULL; |
a0d0e21e LW |
2556 | } |
2557 | ||
954c1994 | 2558 | /* |
ccfc67b7 JH |
2559 | =head1 CV Manipulation Functions |
2560 | ||
780a5241 NC |
2561 | =for apidoc p||get_cvn_flags |
2562 | ||
2563 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2564 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2565 | exist then it will be declared (which has the same effect as saying | |
2566 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2567 | then NULL is returned. | |
2568 | ||
954c1994 GS |
2569 | =for apidoc p||get_cv |
2570 | ||
780a5241 | 2571 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2572 | |
2573 | =cut | |
2574 | */ | |
2575 | ||
a0d0e21e | 2576 | CV* |
780a5241 | 2577 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2578 | { |
780a5241 | 2579 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2580 | |
2581 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2582 | ||
334dda80 FC |
2583 | /* XXX this is probably not what they think they're getting. |
2584 | * It has the same effect as "sub name;", i.e. just a forward | |
2585 | * declaration! */ | |
780a5241 | 2586 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2587 | return newSTUB(gv,0); |
780a5241 | 2588 | } |
a0d0e21e | 2589 | if (gv) |
8ebc5c01 | 2590 | return GvCVu(gv); |
601f1833 | 2591 | return NULL; |
a0d0e21e LW |
2592 | } |
2593 | ||
2c67934f NC |
2594 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2595 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2596 | CV* |
2597 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2598 | { | |
7918f24d NC |
2599 | PERL_ARGS_ASSERT_GET_CV; |
2600 | ||
780a5241 NC |
2601 | return get_cvn_flags(name, strlen(name), flags); |
2602 | } | |
2603 | ||
79072805 LW |
2604 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2605 | ||
954c1994 | 2606 | /* |
ccfc67b7 JH |
2607 | |
2608 | =head1 Callback Functions | |
2609 | ||
954c1994 GS |
2610 | =for apidoc p||call_argv |
2611 | ||
f0b90de1 SF |
2612 | Performs a callback to the specified named and package-scoped Perl subroutine |
2613 | with C<argv> (a NULL-terminated array of strings) as arguments. See L<perlcall>. | |
2614 | ||
2615 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2616 | |
2617 | =cut | |
2618 | */ | |
2619 | ||
a0d0e21e | 2620 | I32 |
5aaab254 | 2621 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2622 | |
8ac85365 NIS |
2623 | /* See G_* flags in cop.h */ |
2624 | /* null terminated arg list */ | |
8990e307 | 2625 | { |
97aff369 | 2626 | dVAR; |
a0d0e21e | 2627 | dSP; |
8990e307 | 2628 | |
7918f24d NC |
2629 | PERL_ARGS_ASSERT_CALL_ARGV; |
2630 | ||
924508f0 | 2631 | PUSHMARK(SP); |
a0d0e21e | 2632 | if (argv) { |
8990e307 | 2633 | while (*argv) { |
6e449a3a | 2634 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2635 | argv++; |
2636 | } | |
a0d0e21e | 2637 | PUTBACK; |
8990e307 | 2638 | } |
864dbfa3 | 2639 | return call_pv(sub_name, flags); |
8990e307 LW |
2640 | } |
2641 | ||
954c1994 GS |
2642 | /* |
2643 | =for apidoc p||call_pv | |
2644 | ||
2645 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2646 | ||
2647 | =cut | |
2648 | */ | |
2649 | ||
a0d0e21e | 2650 | I32 |
864dbfa3 | 2651 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2652 | /* name of the subroutine */ |
2653 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2654 | { |
7918f24d NC |
2655 | PERL_ARGS_ASSERT_CALL_PV; |
2656 | ||
0da0e728 | 2657 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2658 | } |
2659 | ||
954c1994 GS |
2660 | /* |
2661 | =for apidoc p||call_method | |
2662 | ||
2663 | Performs a callback to the specified Perl method. The blessed object must | |
2664 | be on the stack. See L<perlcall>. | |
2665 | ||
2666 | =cut | |
2667 | */ | |
2668 | ||
a0d0e21e | 2669 | I32 |
864dbfa3 | 2670 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2671 | /* name of the subroutine */ |
2672 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2673 | { |
46ca9bac | 2674 | STRLEN len; |
7918f24d NC |
2675 | PERL_ARGS_ASSERT_CALL_METHOD; |
2676 | ||
46ca9bac GF |
2677 | len = strlen(methname); |
2678 | ||
2679 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2680 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2681 | } |
2682 | ||
2683 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2684 | /* |
2685 | =for apidoc p||call_sv | |
2686 | ||
2687 | Performs a callback to the Perl sub whose name is in the SV. See | |
2688 | L<perlcall>. | |
2689 | ||
2690 | =cut | |
2691 | */ | |
2692 | ||
a0d0e21e | 2693 | I32 |
001d637e | 2694 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2695 | /* See G_* flags in cop.h */ |
a0d0e21e | 2696 | { |
27da23d5 | 2697 | dVAR; dSP; |
a0d0e21e | 2698 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2699 | UNOP method_op; |
aa689395 | 2700 | I32 oldmark; |
8ea43dc8 | 2701 | VOL I32 retval = 0; |
a0d0e21e | 2702 | I32 oldscope; |
54310121 | 2703 | bool oldcatch = CATCH_GET; |
6224f72b | 2704 | int ret; |
c4420975 | 2705 | OP* const oldop = PL_op; |
db36c5a1 | 2706 | dJMPENV; |
1e422769 | 2707 | |
7918f24d NC |
2708 | PERL_ARGS_ASSERT_CALL_SV; |
2709 | ||
a0d0e21e LW |
2710 | if (flags & G_DISCARD) { |
2711 | ENTER; | |
2712 | SAVETMPS; | |
2713 | } | |
2f8edad0 NC |
2714 | if (!(flags & G_WANT)) { |
2715 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2716 | */ | |
2717 | flags |= G_SCALAR; | |
2718 | } | |
a0d0e21e | 2719 | |
aa689395 | 2720 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2721 | if (!(flags & G_NOARGS)) |
aa689395 | 2722 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2723 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2724 | SAVEOP(); |
533c011a | 2725 | PL_op = (OP*)&myop; |
aa689395 | 2726 | |
3280af22 NIS |
2727 | EXTEND(PL_stack_sp, 1); |
2728 | *++PL_stack_sp = sv; | |
aa689395 | 2729 | oldmark = TOPMARK; |
3280af22 | 2730 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2731 | |
3280af22 | 2732 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2733 | /* Handle first BEGIN of -d. */ |
3280af22 | 2734 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2735 | /* Try harder, since this may have been a sighandler, thus |
2736 | * curstash may be meaningless. */ | |
ea726b52 | 2737 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2738 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2739 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2740 | |
968b3946 GS |
2741 | if (flags & G_METHOD) { |
2742 | Zero(&method_op, 1, UNOP); | |
5ff48db8 | 2743 | method_op.op_next = (OP*)&myop; |
968b3946 | 2744 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
377b1098 | 2745 | method_op.op_type = OP_METHOD; |
968b3946 | 2746 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2747 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2748 | PL_op = (OP*)&method_op; |
968b3946 GS |
2749 | } |
2750 | ||
312caa8e | 2751 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2752 | CATCH_SET(TRUE); |
d6f07c05 | 2753 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2754 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2755 | CATCH_SET(oldcatch); |
312caa8e CS |
2756 | } |
2757 | else { | |
d78bda3d | 2758 | myop.op_other = (OP*)&myop; |
3280af22 | 2759 | PL_markstack_ptr--; |
edb2152a | 2760 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2761 | PL_markstack_ptr++; |
a0d0e21e | 2762 | |
14dd3ad8 | 2763 | JMPENV_PUSH(ret); |
edb2152a | 2764 | |
6224f72b GS |
2765 | switch (ret) { |
2766 | case 0: | |
14dd3ad8 | 2767 | redo_body: |
d6f07c05 | 2768 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2769 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2770 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2771 | CLEAR_ERRSV(); |
8433848b | 2772 | } |
a0d0e21e | 2773 | break; |
6224f72b | 2774 | case 1: |
f86702cc | 2775 | STATUS_ALL_FAILURE; |
a0d0e21e | 2776 | /* FALL THROUGH */ |
6224f72b | 2777 | case 2: |
a0d0e21e | 2778 | /* my_exit() was called */ |
03d9f026 | 2779 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2780 | FREETMPS; |
14dd3ad8 | 2781 | JMPENV_POP; |
f86702cc | 2782 | my_exit_jump(); |
118e2215 | 2783 | assert(0); /* NOTREACHED */ |
6224f72b | 2784 | case 3: |
3280af22 | 2785 | if (PL_restartop) { |
febb3a6d | 2786 | PL_restartjmpenv = NULL; |
533c011a | 2787 | PL_op = PL_restartop; |
3280af22 | 2788 | PL_restartop = 0; |
312caa8e | 2789 | goto redo_body; |
a0d0e21e | 2790 | } |
3280af22 | 2791 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2792 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2793 | retval = 0; |
2794 | else { | |
2795 | retval = 1; | |
3280af22 | 2796 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2797 | } |
312caa8e | 2798 | break; |
a0d0e21e | 2799 | } |
a0d0e21e | 2800 | |
edb2152a NC |
2801 | if (PL_scopestack_ix > oldscope) |
2802 | delete_eval_scope(); | |
14dd3ad8 | 2803 | JMPENV_POP; |
a0d0e21e | 2804 | } |
1e422769 | 2805 | |
a0d0e21e | 2806 | if (flags & G_DISCARD) { |
3280af22 | 2807 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2808 | retval = 0; |
2809 | FREETMPS; | |
2810 | LEAVE; | |
2811 | } | |
533c011a | 2812 | PL_op = oldop; |
a0d0e21e LW |
2813 | return retval; |
2814 | } | |
2815 | ||
6e72f9df | 2816 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2817 | |
954c1994 GS |
2818 | /* |
2819 | =for apidoc p||eval_sv | |
2820 | ||
be064c4a DM |
2821 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2822 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2823 | |
2824 | =cut | |
2825 | */ | |
2826 | ||
a0d0e21e | 2827 | I32 |
864dbfa3 | 2828 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2829 | |
8ac85365 | 2830 | /* See G_* flags in cop.h */ |
a0d0e21e | 2831 | { |
97aff369 | 2832 | dVAR; |
924508f0 | 2833 | dSP; |
a0d0e21e | 2834 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2835 | VOL I32 oldmark = SP - PL_stack_base; |
2836 | VOL I32 retval = 0; | |
6224f72b | 2837 | int ret; |
c4420975 | 2838 | OP* const oldop = PL_op; |
db36c5a1 | 2839 | dJMPENV; |
84902520 | 2840 | |
7918f24d NC |
2841 | PERL_ARGS_ASSERT_EVAL_SV; |
2842 | ||
4633a7c4 LW |
2843 | if (flags & G_DISCARD) { |
2844 | ENTER; | |
2845 | SAVETMPS; | |
2846 | } | |
2847 | ||
462e5cf6 | 2848 | SAVEOP(); |
533c011a | 2849 | PL_op = (OP*)&myop; |
5ff48db8 | 2850 | Zero(&myop, 1, UNOP); |
3280af22 NIS |
2851 | EXTEND(PL_stack_sp, 1); |
2852 | *++PL_stack_sp = sv; | |
79072805 | 2853 | |
4633a7c4 LW |
2854 | if (!(flags & G_NOARGS)) |
2855 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2856 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2857 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2858 | if (flags & G_KEEPERR) |
2859 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2860 | |
2861 | if (flags & G_RE_REPARSING) | |
2862 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2863 | |
dedbcade DM |
2864 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2865 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2866 | TAINT_PROPER("eval_sv()"); | |
2867 | ||
14dd3ad8 | 2868 | JMPENV_PUSH(ret); |
6224f72b GS |
2869 | switch (ret) { |
2870 | case 0: | |
14dd3ad8 | 2871 | redo_body: |
2ba65d5f DM |
2872 | if (PL_op == (OP*)(&myop)) { |
2873 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2874 | if (!PL_op) | |
2875 | goto fail; /* failed in compilation */ | |
2876 | } | |
4aca2f62 | 2877 | CALLRUNOPS(aTHX); |
312caa8e | 2878 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2879 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2880 | CLEAR_ERRSV(); |
8433848b | 2881 | } |
4633a7c4 | 2882 | break; |
6224f72b | 2883 | case 1: |
f86702cc | 2884 | STATUS_ALL_FAILURE; |
4633a7c4 | 2885 | /* FALL THROUGH */ |
6224f72b | 2886 | case 2: |
4633a7c4 | 2887 | /* my_exit() was called */ |
03d9f026 | 2888 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2889 | FREETMPS; |
14dd3ad8 | 2890 | JMPENV_POP; |
f86702cc | 2891 | my_exit_jump(); |
118e2215 | 2892 | assert(0); /* NOTREACHED */ |
6224f72b | 2893 | case 3: |
3280af22 | 2894 | if (PL_restartop) { |
febb3a6d | 2895 | PL_restartjmpenv = NULL; |
533c011a | 2896 | PL_op = PL_restartop; |
3280af22 | 2897 | PL_restartop = 0; |
312caa8e | 2898 | goto redo_body; |
4633a7c4 | 2899 | } |
4aca2f62 | 2900 | fail: |
3280af22 | 2901 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2902 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2903 | retval = 0; |
2904 | else { | |
2905 | retval = 1; | |
3280af22 | 2906 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2907 | } |
312caa8e | 2908 | break; |
4633a7c4 LW |
2909 | } |
2910 | ||
14dd3ad8 | 2911 | JMPENV_POP; |
4633a7c4 | 2912 | if (flags & G_DISCARD) { |
3280af22 | 2913 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2914 | retval = 0; |
2915 | FREETMPS; | |
2916 | LEAVE; | |
2917 | } | |
533c011a | 2918 | PL_op = oldop; |
4633a7c4 LW |
2919 | return retval; |
2920 | } | |
2921 | ||
954c1994 GS |
2922 | /* |
2923 | =for apidoc p||eval_pv | |
2924 | ||
2925 | Tells Perl to C<eval> the given string and return an SV* result. | |
2926 | ||
2927 | =cut | |
2928 | */ | |
2929 | ||
137443ea | 2930 | SV* |
864dbfa3 | 2931 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2932 | { |
97aff369 | 2933 | dVAR; |
137443ea | 2934 | SV* sv = newSVpv(p, 0); |
2935 | ||
7918f24d NC |
2936 | PERL_ARGS_ASSERT_EVAL_PV; |
2937 | ||
864dbfa3 | 2938 | eval_sv(sv, G_SCALAR); |
137443ea | 2939 | SvREFCNT_dec(sv); |
2940 | ||
ed1786ad DD |
2941 | { |
2942 | dSP; | |
2943 | sv = POPs; | |
2944 | PUTBACK; | |
2945 | } | |
137443ea | 2946 | |
eed484f9 DD |
2947 | /* just check empty string or undef? */ |
2948 | if (croak_on_error) { | |
2949 | SV * const errsv = ERRSV; | |
2950 | if(SvTRUE_NN(errsv)) | |
2951 | /* replace with croak_sv? */ | |
2952 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 2953 | } |
137443ea | 2954 | |
2955 | return sv; | |
2956 | } | |
2957 | ||
4633a7c4 LW |
2958 | /* Require a module. */ |
2959 | ||
954c1994 | 2960 | /* |
ccfc67b7 JH |
2961 | =head1 Embedding Functions |
2962 | ||
954c1994 GS |
2963 | =for apidoc p||require_pv |
2964 | ||
7d3fb230 BS |
2965 | Tells Perl to C<require> the file named by the string argument. It is |
2966 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2967 | implemented that way; consider using load_module instead. |
954c1994 | 2968 | |
7d3fb230 | 2969 | =cut */ |
954c1994 | 2970 | |
4633a7c4 | 2971 | void |
864dbfa3 | 2972 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2973 | { |
97aff369 | 2974 | dVAR; |
d3acc0f7 | 2975 | dSP; |
97aff369 | 2976 | SV* sv; |
7918f24d NC |
2977 | |
2978 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2979 | ||
e788e7d3 | 2980 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2981 | PUTBACK; |
be41e5d9 NC |
2982 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2983 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2984 | SPAGAIN; |
2985 | POPSTACK; | |
79072805 LW |
2986 | } |
2987 | ||
76e3520e | 2988 | STATIC void |
b6f82619 | 2989 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 2990 | { |
ab821d7f | 2991 | /* This message really ought to be max 23 lines. |
75c72d73 | 2992 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2993 | |
1566c39d NC |
2994 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2995 | minimum of 509 character string literals. */ | |
27da23d5 | 2996 | static const char * const usage_msg[] = { |
1566c39d NC |
2997 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2998 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2999 | " -C[number/list] enables the listed Unicode features\n" | |
3000 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3001 | " -d[:debugger] run program under debugger\n" | |
3002 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3003 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3004 | " -E program like -e, but enables all optional features\n" | |
3005 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3006 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3007 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3008 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3009 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3010 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3011 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3012 | " -p assume loop like -n but print line also, like sed\n" | |
3013 | " -s enable rudimentary parsing for switches after programfile\n" | |
3014 | " -S look for programfile using PATH environment variable\n", | |
3015 | " -t enable tainting warnings\n" | |
3016 | " -T enable tainting checks\n" | |
3017 | " -u dump core after parsing program\n" | |
3018 | " -U allow unsafe operations\n" | |
3019 | " -v print version, patchlevel and license\n" | |
3020 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3021 | " -w enable many useful warnings\n" |
1566c39d NC |
3022 | " -W enable all warnings\n" |
3023 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3024 | " -X disable all warnings\n" | |
3025 | " \n" | |
3026 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3027 | NULL |
3028 | }; | |
27da23d5 | 3029 | const char * const *p = usage_msg; |
1566c39d | 3030 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3031 | |
1566c39d NC |
3032 | PerlIO_printf(out, |
3033 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3034 | PL_origargv[0]); |
fb73857a | 3035 | while (*p) |
1566c39d | 3036 | PerlIO_puts(out, *p++); |
b6f82619 | 3037 | my_exit(0); |
4633a7c4 LW |
3038 | } |
3039 | ||
b4ab917c DM |
3040 | /* convert a string of -D options (or digits) into an int. |
3041 | * sets *s to point to the char after the options */ | |
3042 | ||
3043 | #ifdef DEBUGGING | |
3044 | int | |
e1ec3a88 | 3045 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3046 | { |
27da23d5 | 3047 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3048 | " Debugging flag values: (see also -d)\n" |
3049 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3050 | " s Stack snapshots (with v, displays all stacks)\n" | |
3051 | " l Context (loop) stack processing\n" | |
3052 | " t Trace execution\n" | |
3053 | " o Method and overloading resolution\n", | |
3054 | " c String/numeric conversions\n" | |
3055 | " P Print profiling info, source file input state\n" | |
3056 | " m Memory and SV allocation\n" | |
3057 | " f Format processing\n" | |
3058 | " r Regular expression parsing and execution\n" | |
3059 | " x Syntax tree dump\n", | |
3060 | " u Tainting checks\n" | |
3061 | " H Hash dump -- usurps values()\n" | |
3062 | " X Scratchpad allocation\n" | |
3063 | " D Cleaning up\n" | |
56967202 | 3064 | " S Op slab allocation\n" |
651b8f1a NC |
3065 | " T Tokenising\n" |
3066 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3067 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3068 | " v Verbose: use in conjunction with other flags\n" | |
3069 | " C Copy On Write\n" | |
3070 | " A Consistency checks on internal structures\n" | |
3071 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3072 | " M trace smart match resolution\n" | |
3073 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
3074 | NULL |
3075 | }; | |
b4ab917c | 3076 | int i = 0; |
7918f24d NC |
3077 | |
3078 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3079 | ||
b4ab917c DM |
3080 | if (isALPHA(**s)) { |
3081 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 3082 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c | 3083 | |
0eb30aeb | 3084 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3085 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
3086 | if (d) |
3087 | i |= 1 << (d - debopts); | |
3088 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
3089 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3090 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3091 | } |
3092 | } | |
e6e64d9b | 3093 | else if (isDIGIT(**s)) { |
b4ab917c | 3094 | i = atoi(*s); |
0eb30aeb | 3095 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3096 | } |
ddcf8bc1 | 3097 | else if (givehelp) { |
06e869a4 | 3098 | const char *const *p = usage_msgd; |
651b8f1a | 3099 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3100 | } |
b4ab917c DM |
3101 | # ifdef EBCDIC |
3102 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
3103 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
3104 | "-Dp not implemented on this platform\n"); | |
3105 | # endif | |
3106 | return i; | |
3107 | } | |
3108 | #endif | |
3109 | ||
79072805 LW |
3110 | /* This routine handles any switches that can be given during run */ |
3111 | ||
c7030b81 NC |
3112 | const char * |
3113 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3114 | { |
27da23d5 | 3115 | dVAR; |
84c133a0 | 3116 | UV rschar; |
0544e6df | 3117 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3118 | |
7918f24d NC |
3119 | PERL_ARGS_ASSERT_MORESWITCHES; |
3120 | ||
79072805 LW |
3121 | switch (*s) { |
3122 | case '0': | |
a863c7d1 | 3123 | { |
f2095865 | 3124 | I32 flags = 0; |
a3b680e6 | 3125 | STRLEN numlen; |
f2095865 JH |
3126 | |
3127 | SvREFCNT_dec(PL_rs); | |
3128 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3129 | const char *e = s+=2; |
f2095865 JH |
3130 | U8 *tmps; |
3131 | ||
a3b680e6 AL |
3132 | while (*e) |
3133 | e++; | |
f2095865 JH |
3134 | numlen = e - s; |
3135 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3136 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3137 | if (s + numlen < e) { | |
3138 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3139 | numlen = 0; | |
3140 | s--; | |
3141 | } | |
396482e1 | 3142 | PL_rs = newSVpvs(""); |
c5661c80 | 3143 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3144 | tmps = (U8*)SvPVX(PL_rs); |
3145 | uvchr_to_utf8(tmps, rschar); | |
3146 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3147 | SvUTF8_on(PL_rs); | |
3148 | } | |
3149 | else { | |
3150 | numlen = 4; | |
3151 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3152 | if (rschar & ~((U8)~0)) | |
3153 | PL_rs = &PL_sv_undef; | |
3154 | else if (!rschar && numlen >= 2) | |
396482e1 | 3155 | PL_rs = newSVpvs(""); |
f2095865 JH |
3156 | else { |
3157 | char ch = (char)rschar; | |
3158 | PL_rs = newSVpvn(&ch, 1); | |
3159 | } | |
3160 | } | |
64ace3f8 | 3161 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3162 | return s + numlen; |
a863c7d1 | 3163 | } |
46487f74 | 3164 | case 'C': |
a05d7ebb | 3165 | s++; |
dd374669 | 3166 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3167 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3168 | PL_utf8cache = -1; | |
46487f74 | 3169 | return s; |
2304df62 | 3170 | case 'F': |
3280af22 | 3171 | PL_minus_F = TRUE; |
ebce5377 RGS |
3172 | PL_splitstr = ++s; |
3173 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3174 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3175 | return s; |
79072805 | 3176 | case 'a': |
3280af22 | 3177 | PL_minus_a = TRUE; |
79072805 LW |
3178 | s++; |
3179 | return s; | |
3180 | case 'c': | |
3280af22 | 3181 | PL_minus_c = TRUE; |
79072805 LW |
3182 | s++; |
3183 | return s; | |
3184 | case 'd': | |
f20b2998 | 3185 | forbid_setid('d', FALSE); |
4633a7c4 | 3186 | s++; |
2cbb2ee1 RGS |
3187 | |
3188 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3189 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3190 | ++s; |
3191 | my_setenv("PERL5DB_THREADED", "1"); | |
3192 | } | |
3193 | ||
70c94a19 RR |
3194 | /* The following permits -d:Mod to accepts arguments following an = |
3195 | in the fashion that -MSome::Mod does. */ | |
3196 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3197 | const char *start; |
3198 | const char *end; | |
3199 | SV *sv; | |
3200 | ||
3201 | if (*++s == '-') { | |
3202 | ++s; | |
3203 | sv = newSVpvs("no Devel::"); | |
3204 | } else { | |
3205 | sv = newSVpvs("use Devel::"); | |
3206 | } | |
3207 | ||
3208 | start = s; | |
3209 | end = s + strlen(s); | |
f85893a1 | 3210 | |
b19934fb | 3211 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3212 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3213 | if (*s != '=') |
f85893a1 | 3214 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3215 | else { |
3216 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3217 | /* Don't use NUL as q// delimiter here, this string goes in the |
3218 | * environment. */ | |
3219 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3220 | } |
f85893a1 | 3221 | s = end; |
184f32ec | 3222 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3223 | SvREFCNT_dec(sv); |
4633a7c4 | 3224 | } |
ed094faf | 3225 | if (!PL_perldb) { |
3280af22 | 3226 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3227 | init_debugger(); |
ed094faf | 3228 | } |
79072805 LW |
3229 | return s; |
3230 | case 'D': | |
0453d815 | 3231 | { |
79072805 | 3232 | #ifdef DEBUGGING |
f20b2998 | 3233 | forbid_setid('D', FALSE); |
b4ab917c | 3234 | s++; |
dd374669 | 3235 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3236 | #else /* !DEBUGGING */ |
0453d815 | 3237 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3238 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3239 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3240 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3241 | #endif |
79072805 | 3242 | return s; |
0453d815 | 3243 | } |
4633a7c4 | 3244 | case 'h': |
b6f82619 | 3245 | usage(); |
79072805 | 3246 | case 'i': |
43c5f42d | 3247 | Safefree(PL_inplace); |
c030f24b GH |
3248 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3249 | if (*(s+1) == '\0') { | |
c86a4f2e | 3250 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3251 | return s+1; |
3252 | } | |
3253 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3254 | { |
d4c19fe8 | 3255 | const char * const start = ++s; |
5ef5d758 NC |
3256 | while (*s && !isSPACE(*s)) |
3257 | ++s; | |
3258 | ||
3259 | PL_inplace = savepvn(start, s - start); | |
3260 | } | |
7b8d334a | 3261 | if (*s) { |
5ef5d758 | 3262 | ++s; |
7b8d334a | 3263 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3264 | s++; |
7b8d334a | 3265 | } |
fb73857a | 3266 | return s; |
4e49a025 | 3267 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3268 | forbid_setid('I', FALSE); |
fb73857a | 3269 | ++s; |
3270 | while (*s && isSPACE(*s)) | |
3271 | ++s; | |
3272 | if (*s) { | |
c7030b81 | 3273 | const char *e, *p; |
0df16ed7 GS |
3274 | p = s; |
3275 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3276 | do { | |
3277 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3278 | p = e; | |
3279 | while (isSPACE(*p)) | |
3280 | p++; | |
3281 | } while (*p && *p != '-'); | |
55b4bc1c | 3282 | incpush(s, e-s, |
e28f3139 | 3283 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3284 | s = p; |
3285 | if (*s == '-') | |
3286 | s++; | |
79072805 LW |
3287 | } |
3288 | else | |
a67e862a | 3289 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3290 | return s; |
79072805 | 3291 | case 'l': |
3280af22 | 3292 | PL_minus_l = TRUE; |
79072805 | 3293 | s++; |
7889fe52 NIS |
3294 | if (PL_ors_sv) { |
3295 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3296 | PL_ors_sv = NULL; |
7889fe52 | 3297 | } |
79072805 | 3298 | if (isDIGIT(*s)) { |
53305cf1 | 3299 | I32 flags = 0; |
a3b680e6 | 3300 | STRLEN numlen; |
396482e1 | 3301 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3302 | numlen = 3 + (*s == '0'); |
3303 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3304 | s += numlen; |
3305 | } | |
3306 | else { | |
8bfdd7d9 | 3307 | if (RsPARA(PL_rs)) { |
396482e1 | 3308 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3309 | } |
3310 | else { | |
8bfdd7d9 | 3311 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3312 | } |
79072805 LW |
3313 | } |
3314 | return s; | |
1a30305b | 3315 | case 'M': |
f20b2998 | 3316 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3317 | /* FALL THROUGH */ |
3318 | case 'm': | |
f20b2998 | 3319 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3320 | if (*++s) { |
c7030b81 | 3321 | const char *start; |
b64cb68c | 3322 | const char *end; |
11343788 | 3323 | SV *sv; |
e1ec3a88 | 3324 | const char *use = "use "; |
0544e6df | 3325 | bool colon = FALSE; |
a5f75d66 | 3326 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3327 | /* Leading space on " no " is deliberate, to make both |
3328 | possibilities the same length. */ | |
3329 | if (*s == '-') { use = " no "; ++s; } | |
3330 | sv = newSVpvn(use,4); | |
a5f75d66 | 3331 | start = s; |
1a30305b | 3332 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3333 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3334 | if( *s++ == ':' ) { |
3335 | if( *s == ':' ) | |
3336 | s++; | |
3337 | else | |
3338 | colon = TRUE; | |
3339 | } | |
3340 | } | |
3341 | if (s == start) | |
3342 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3343 | option); | |
3344 | if (colon) | |
3345 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3346 | "contains single ':'", | |
63da6837 | 3347 | (int)(s - start), start, option); |
b64cb68c | 3348 | end = s + strlen(s); |
c07a80fd | 3349 | if (*s != '=') { |
b64cb68c | 3350 | sv_catpvn(sv, start, end - start); |
0544e6df | 3351 | if (option == 'm') { |
c07a80fd | 3352 | if (*s != '\0') |
cea2e8a9 | 3353 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3354 | sv_catpvs( sv, " ()"); |
c07a80fd | 3355 | } |
3356 | } else { | |
11343788 | 3357 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3358 | /* Use NUL as q''-delimiter. */ |
3359 | sv_catpvs(sv, " split(/,/,q\0"); | |
3360 | ++s; | |
3361 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3362 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3363 | } |
b64cb68c | 3364 | s = end; |
29a861e7 | 3365 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3366 | } |
3367 | else | |
0544e6df | 3368 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3369 | return s; |
79072805 | 3370 | case 'n': |
3280af22 | 3371 | PL_minus_n = TRUE; |
79072805 LW |
3372 | s++; |
3373 | return s; | |
3374 | case 'p': | |
3280af22 | 3375 | PL_minus_p = TRUE; |
79072805 LW |
3376 | s++; |
3377 | return s; | |
3378 | case 's': | |
f20b2998 | 3379 | forbid_setid('s', FALSE); |
3280af22 | 3380 | PL_doswitches = TRUE; |
79072805 LW |
3381 | s++; |
3382 | return s; | |
6537fe72 | 3383 | case 't': |
27a6968b | 3384 | case 'T': |
284167a5 S |
3385 | #if SILENT_NO_TAINT_SUPPORT |
3386 | /* silently ignore */ | |
3387 | #elif NO_TAINT_SUPPORT | |
3231f579 | 3388 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3389 | "Cowardly refusing to run with -t or -T flags"); |
3390 | #else | |
3391 | if (!TAINTING_get) | |
27a6968b | 3392 | TOO_LATE_FOR(*s); |
284167a5 | 3393 | #endif |
6537fe72 | 3394 | s++; |
463ee0b2 | 3395 | return s; |
79072805 | 3396 | case 'u': |
3280af22 | 3397 | PL_do_undump = TRUE; |
79072805 LW |
3398 | s++; |
3399 | return s; | |
3400 | case 'U': | |
3280af22 | 3401 | PL_unsafe = TRUE; |
79072805 LW |
3402 | s++; |
3403 | return s; | |
3404 | case 'v': | |
c4bc78d9 NC |
3405 | minus_v(); |
3406 | case 'w': | |
3407 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3408 | PL_dowarn |= G_WARN_ON; | |
3409 | } | |
3410 | s++; | |
3411 | return s; | |
3412 | case 'W': | |
3413 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3414 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3415 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3416 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3417 | s++; | |
3418 | return s; | |
3419 | case 'X': | |
3420 | PL_dowarn = G_WARN_ALL_OFF; | |
3421 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3422 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3423 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3424 | s++; | |
3425 | return s; | |
3426 | case '*': | |
3427 | case ' ': | |
3428 | while( *s == ' ' ) | |
3429 | ++s; | |
3430 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3431 | return s+1; | |
3432 | break; | |
3433 | case '-': | |
3434 | case 0: | |
3435 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3436 | case '\r': | |
3437 | #endif | |
3438 | case '\n': | |
3439 | case '\t': | |
3440 | break; | |
3441 | #ifdef ALTERNATE_SHEBANG | |
3442 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3443 | break; | |
3444 | #endif | |
4bb78d63 CB |
3445 | case 'e': case 'f': case 'x': case 'E': |
3446 | #ifndef ALTERNATE_SHEBANG | |
3447 | case 'S': | |
3448 | #endif | |
3449 | case 'V': | |
c4bc78d9 | 3450 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3451 | default: |
3452 | Perl_croak(aTHX_ | |
3453 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3454 | ); | |
c4bc78d9 NC |
3455 | } |
3456 | return NULL; | |
3457 | } | |
3458 | ||
3459 | ||
3460 | STATIC void | |
3461 | S_minus_v(pTHX) | |
3462 | { | |
fc3381af | 3463 | PerlIO * PIO_stdout; |
d7aa5382 | 3464 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3465 | upg_version(PL_patchlevel, TRUE); |
46807d8e YO |
3466 | { |
3467 | SV* level= vstringify(PL_patchlevel); | |
3468 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3469 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3470 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3471 | # else | |
3472 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3473 | # endif | |
fc3381af DD |
3474 | { |
3475 | STRLEN level_len, num_len; | |
3476 | char * level_str, * num_str; | |
3477 | num_str = SvPV(num, num_len); | |
3478 | level_str = SvPV(level, level_len); | |
3479 | if (num_len>=level_len && strnEQ(num_str,level_str,level_len)) { | |
3480 | SvREFCNT_dec(level); | |
3481 | level= num; | |
3482 | } else { | |
3483 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); | |
3484 | SvREFCNT_dec(num); | |
3485 | } | |
46807d8e YO |
3486 | } |
3487 | #endif | |
fc3381af DD |
3488 | PIO_stdout = PerlIO_stdout(); |
3489 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3490 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3491 | ", version " STRINGIFY(PERL_VERSION) | |
3492 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3493 | " (%"SVf") built for " ARCHNAME, level | |
3494 | ); | |
46807d8e YO |
3495 | SvREFCNT_dec(level); |
3496 | } | |
fb73857a | 3497 | #if defined(LOCAL_PATCH_COUNT) |
3498 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3499 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3500 | "\n(with %d registered patch%s, " |
3501 | "see perl -V for more detail)", | |
bb7a0f54 | 3502 | LOCAL_PATCH_COUNT, |
b0e47665 | 3503 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3504 | #endif |
1a30305b | 3505 | |
fc3381af | 3506 | PerlIO_printf(PIO_stdout, |
d907e2e9 | 3507 | "\n\nCopyright 1987-2013, Larry Wall\n"); |
79072805 | 3508 | #ifdef MSDOS |
fc3381af | 3509 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3510 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3511 | #endif |
3512 | #ifdef DJGPP | |
fc3381af | 3513 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3514 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3515 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3516 | #endif |
79072805 | 3517 | #ifdef OS2 |
fc3381af | 3518 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3519 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3520 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3521 | #endif |
9d116dd7 | 3522 | #ifdef OEMVS |
fc3381af | 3523 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3524 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3525 | #endif |
495c5fdc | 3526 | #ifdef __VOS__ |
fc3381af | 3527 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3528 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3529 | #endif |
a1a0e61e | 3530 | #ifdef POSIX_BC |
fc3381af | 3531 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3532 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3533 | #endif |
e1caacb4 | 3534 | #ifdef UNDER_CE |
fc3381af DD |
3535 | PerlIO_printf(PIO_stdout, |
3536 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3537 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3538 | wce_hitreturn(); |
3539 | #endif | |
a0fd4948 | 3540 | #ifdef __SYMBIAN32__ |
fc3381af | 3541 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3542 | "Symbian port by Nokia, 2004-2005\n"); |
3543 | #endif | |
baed7233 DL |
3544 | #ifdef BINARY_BUILD_NOTICE |
3545 | BINARY_BUILD_NOTICE; | |
3546 | #endif | |
fc3381af | 3547 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3548 | "\n\ |
79072805 | 3549 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3550 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3551 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3552 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3553 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3554 | my_exit(0); |
79072805 LW |
3555 | } |
3556 | ||
3557 | /* compliments of Tom Christiansen */ | |
3558 | ||
3559 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3560 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3561 | |
25bbd826 CB |
3562 | #ifdef VMS |
3563 | #include <lib$routines.h> | |
3564 | #endif | |
3565 | ||
79072805 | 3566 | void |
864dbfa3 | 3567 | Perl_my_unexec(pTHX) |
79072805 | 3568 | { |
b37c2d43 | 3569 | PERL_UNUSED_CONTEXT; |
79072805 | 3570 | #ifdef UNEXEC |
b37c2d43 AL |
3571 | SV * prog = newSVpv(BIN_EXP, 0); |
3572 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3573 | int status = 1; |
79072805 LW |
3574 | extern int etext; |
3575 | ||
396482e1 | 3576 | sv_catpvs(prog, "/perl"); |
396482e1 | 3577 | sv_catpvs(file, ".perldump"); |
79072805 | 3578 | |
ee580363 GS |
3579 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3580 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3581 | PerlProc_exit(status); |
79072805 | 3582 | #else |
a5f75d66 | 3583 | # ifdef VMS |
a5f75d66 | 3584 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 YO |
3585 | # elif defined(WIN32) || defined(__CYGWIN__) |
3586 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3587 | # else |
79072805 | 3588 | ABORT(); /* for use with undump */ |
aa689395 | 3589 | # endif |
a5f75d66 | 3590 | #endif |
79072805 LW |
3591 | } |
3592 | ||
cb68f92d GS |
3593 | /* initialize curinterp */ |
3594 | STATIC void | |
cea2e8a9 | 3595 | S_init_interp(pTHX) |
cb68f92d | 3596 | { |
97aff369 | 3597 | dVAR; |
acfe0abc | 3598 | #ifdef MULTIPLICITY |
115ff745 NC |
3599 | # define PERLVAR(prefix,var,type) |
3600 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3601 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3602 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3603 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3604 | # else |
115ff745 NC |
3605 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3606 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3607 | # endif |
acfe0abc | 3608 | # include "intrpvar.h" |
acfe0abc GS |
3609 | # undef PERLVAR |
3610 | # undef PERLVARA | |
3611 | # undef PERLVARI | |
3612 | # undef PERLVARIC | |
3613 | #else | |
115ff745 NC |
3614 | # define PERLVAR(prefix,var,type) |
3615 | # define PERLVARA(prefix,var,n,type) | |
3616 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3617 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3618 | # include "intrpvar.h" |
acfe0abc GS |
3619 | # undef PERLVAR |
3620 | # undef PERLVARA | |
3621 | # undef PERLVARI | |
3622 | # undef PERLVARIC | |
cb68f92d GS |
3623 | #endif |
3624 | ||
cb68f92d GS |
3625 | } |
3626 | ||
76e3520e | 3627 | STATIC void |
cea2e8a9 | 3628 | S_init_main_stash(pTHX) |
79072805 | 3629 | { |
97aff369 | 3630 | dVAR; |
463ee0b2 | 3631 | GV *gv; |
6e72f9df | 3632 | |
03d9f026 | 3633 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3634 | /* We know that the string "main" will be in the global shared string |
3635 | table, so it's a small saving to use it rather than allocate another | |
3636 | 8 bytes. */ | |
18916d0d | 3637 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3638 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3639 | /* If we hadn't caused another reference to "main" to be in the shared |
3640 | string table above, then it would be worth reordering these two, | |
3641 | because otherwise all we do is delete "main" from it as a consequence | |
3642 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3643 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3644 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3645 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3646 | SvREADONLY_on(gv); |
fafc274c NC |
3647 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3648 | SVt_PVAV))); | |
5a5094bd | 3649 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3650 | GvMULTI_on(PL_incgv); |
fafc274c | 3651 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3652 | GvMULTI_on(PL_hintgv); |
fafc274c | 3653 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3654 | SvREFCNT_inc_simple_void(PL_defgv); |
fafc274c | 3655 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
5a5094bd | 3656 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3657 | GvMULTI_on(PL_errgv); |
fafc274c | 3658 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3659 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3660 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3661 | #ifdef PERL_DONT_CREATE_GVSV |
3662 | gv_SVadd(PL_errgv); | |
3663 | #endif | |
38a03e6e | 3664 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3665 | CLEAR_ERRSV(); |
03d9f026 | 3666 | SET_CURSTASH(PL_defstash); |
11faa288 | 3667 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3668 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3669 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3670 | SVt_PVHV)); | |
4633a7c4 | 3671 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3672 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3673 | } |
3674 | ||
8d113837 NC |
3675 | STATIC PerlIO * |
3676 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3677 | { |
fdf5d70d | 3678 | int fdscript = -1; |
8d113837 | 3679 | PerlIO *rsfp = NULL; |
27da23d5 | 3680 | dVAR; |
1dfef69b | 3681 | Stat_t tmpstatbuf; |
1b24ed4b | 3682 | |
7918f24d NC |
3683 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3684 | ||
3280af22 | 3685 | if (PL_e_script) { |
8afc33d6 | 3686 | PL_origfilename = savepvs("-e"); |
96436eeb | 3687 | } |
6c4ab083 GS |
3688 | else { |
3689 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3690 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3691 | |
3692 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3693 | const char *s = scriptname + 8; |
fdf5d70d | 3694 | fdscript = atoi(s); |
6c4ab083 GS |
3695 | while (isDIGIT(*s)) |
3696 | s++; | |
3697 | if (*s) { | |
ae3f3efd PS |
3698 | /* PSz 18 Feb 04 |
3699 | * Tell apart "normal" usage of fdscript, e.g. | |
3700 | * with bash on FreeBSD: | |
3701 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3702 | * from usage in suidperl. | |
3703 | * Does any "normal" usage leave garbage after the number??? | |
3704 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3705 | * suidperl? | |
3706 | */ | |
f20b2998 | 3707 | *suidscript = TRUE; |
ae3f3efd PS |
3708 | /* PSz 20 Feb 04 |
3709 | * Be supersafe and do some sanity-checks. | |
3710 | * Still, can we be sure we got the right thing? | |
3711 | */ | |
3712 | if (*s != '/') { | |
3713 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3714 | } | |
3715 | if (! *(s+1)) { | |
3716 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3717 | } | |
6c4ab083 | 3718 | scriptname = savepv(s + 1); |
3280af22 | 3719 | Safefree(PL_origfilename); |
dd374669 | 3720 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3721 | } |
3722 | } | |
3723 | } | |
3724 | ||
05ec9bb3 | 3725 | CopFILE_free(PL_curcop); |
57843af0 | 3726 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3727 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3728 | scriptname = (char *)""; |
fdf5d70d | 3729 | if (fdscript >= 0) { |
8d113837 | 3730 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3731 | } |
79072805 | 3732 | else if (!*scriptname) { |
cdd8118e | 3733 | forbid_setid(0, *suidscript); |
c0b3891a | 3734 | return NULL; |
79072805 | 3735 | } |
96436eeb | 3736 | else { |
9c12f1e5 RGS |
3737 | #ifdef FAKE_BIT_BUCKET |
3738 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3739 | * is called) and still have the "-e" work. (Believe it or not, | |
3740 | * a /dev/null is required for the "-e" to work because source | |
3741 | * filter magic is used to implement it. ) This is *not* a general | |
3742 | * replacement for a /dev/null. What we do here is create a temp | |
3743 | * file (an empty file), open up that as the script, and then | |
3744 | * immediately close and unlink it. Close enough for jazz. */ | |
3745 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3746 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3747 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3748 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3749 | FAKE_BIT_BUCKET_TEMPLATE | |
3750 | }; | |
3751 | const char * const err = "Failed to create a fake bit bucket"; | |
3752 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3753 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3754 | int tmpfd = mkstemp(tmpname); | |
3755 | if (tmpfd > -1) { | |
3756 | scriptname = tmpname; | |
3757 | close(tmpfd); | |
3758 | } else | |
3759 | Perl_croak(aTHX_ err); | |
3760 | #else | |
3761 | # ifdef HAS_MKTEMP | |
3762 | scriptname = mktemp(tmpname); | |
3763 | if (!scriptname) | |
3764 | Perl_croak(aTHX_ err); | |
3765 | # endif | |
3766 | #endif | |
3767 | } | |
3768 | #endif | |
8d113837 | 3769 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3770 | #ifdef FAKE_BIT_BUCKET |
3771 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3772 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3773 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3774 | unlink(scriptname); | |
3775 | } | |
3776 | scriptname = BIT_BUCKET; | |
3777 | #endif | |
96436eeb | 3778 | } |
8d113837 | 3779 | if (!rsfp) { |
447218f8 | 3780 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3781 | if (PL_e_script) |
3782 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3783 | else | |
3784 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3785 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3786 | } |
a7c81930 NC |
3787 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3788 | /* ensure close-on-exec */ | |
3789 | fcntl(PerlIO_fileno(rsfp), F_SETFD, 1); | |
3790 | #endif | |
1dfef69b RS |
3791 | |
3792 | if (PerlLIO_fstat(PerlIO_fileno(rsfp), &tmpstatbuf) >= 0 | |
3793 | && S_ISDIR(tmpstatbuf.st_mode)) | |
3794 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3795 | CopFILE(PL_curcop), | |
3796 | strerror(EISDIR)); | |
3797 | ||
8d113837 | 3798 | return rsfp; |
79072805 | 3799 | } |
8d063cd8 | 3800 | |
7b89560d JH |
3801 | /* Mention |
3802 | * I_SYSSTATVFS HAS_FSTATVFS | |
3803 | * I_SYSMOUNT | |
c890dc6c | 3804 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3805 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3806 | * here so that metaconfig picks them up. */ | |
3807 | ||
104d25b7 | 3808 | |
cc69b689 | 3809 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3810 | /* Don't even need this function. */ |
cc69b689 | 3811 | #else |
ec2019ad NC |
3812 | STATIC void |
3813 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3814 | { | |
985213f2 AB |
3815 | const UV my_uid = PerlProc_getuid(); |
3816 | const UV my_euid = PerlProc_geteuid(); | |
3817 | const UV my_gid = PerlProc_getgid(); | |
3818 | const UV my_egid = PerlProc_getegid(); | |
3819 | ||
ac076a5c NC |
3820 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3821 | ||
985213f2 | 3822 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3823 | dVAR; |
3824 | ||
2f9285f8 | 3825 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
985213f2 | 3826 | if ((my_euid != my_uid && my_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3827 | || |
985213f2 | 3828 | (my_egid != my_gid && my_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3829 | ) |
b28d0864 | 3830 | if (!PL_do_undump) |
cea2e8a9 | 3831 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3832 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3833 | /* not set-id, must be wrapped */ |
a687059c | 3834 | } |
79072805 | 3835 | } |
cc69b689 | 3836 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3837 | |
76e3520e | 3838 | STATIC void |
2f9285f8 | 3839 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3840 | { |
97aff369 | 3841 | dVAR; |
c7030b81 | 3842 | const char *s; |
eb578fdb | 3843 | const char *s2; |
33b78306 | 3844 | |
7918f24d NC |
3845 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3846 | ||
33b78306 LW |
3847 | /* skip forward in input to the real script? */ |
3848 | ||
737c24fc | 3849 | do { |
2f9285f8 | 3850 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3851 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3852 | s2 = s; |
737c24fc Z |
3853 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3854 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3855 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3856 | s2 = s; | |
3857 | while (*s == ' ' || *s == '\t') s++; | |
3858 | if (*s++ == '-') { | |
3859 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3860 | || s2[-1] == '_') s2--; | |
3861 | if (strnEQ(s2-4,"perl",4)) | |
3862 | while ((s = moreswitches(s))) | |
3863 | ; | |
83025b21 LW |
3864 | } |
3865 | } | |
3866 | ||
afe37c7d | 3867 | |
76e3520e | 3868 | STATIC void |
cea2e8a9 | 3869 | S_init_ids(pTHX) |
352d5a3a | 3870 | { |
284167a5 S |
3871 | /* no need to do anything here any more if we don't |
3872 | * do tainting. */ | |
3873 | #if !NO_TAINT_SUPPORT | |
97aff369 | 3874 | dVAR; |
985213f2 AB |
3875 | const UV my_uid = PerlProc_getuid(); |
3876 | const UV my_euid = PerlProc_geteuid(); | |
3877 | const UV my_gid = PerlProc_getgid(); | |
3878 | const UV my_egid = PerlProc_getegid(); | |
3879 | ||
22f7c9c9 | 3880 | /* Should not happen: */ |
985213f2 | 3881 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
3882 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
3883 | #endif | |
ae3f3efd PS |
3884 | /* BUG */ |
3885 | /* PSz 27 Feb 04 | |
3886 | * Should go by suidscript, not uid!=euid: why disallow | |
3887 | * system("ls") in scripts run from setuid things? | |
3888 | * Or, is this run before we check arguments and set suidscript? | |
3889 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3890 | * (We never have suidscript, can we be sure to have fdscript?) | |
3891 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3892 | */ | |
748a9306 | 3893 | } |
79072805 | 3894 | |
a0643315 JH |
3895 | /* This is used very early in the lifetime of the program, |
3896 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3897 | * not been initialized properly. */ |
af419de7 | 3898 | bool |
8f42b153 | 3899 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3900 | { |
c3446a78 JH |
3901 | #ifndef PERL_IMPLICIT_SYS |
3902 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3903 | * before we have an interpreter-- and the whole point of this | |
3904 | * function is to be called at such an early stage. If you are on | |
3905 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3906 | * "tainted because running with altered effective ids', you'll | |
3907 | * have to add your own checks somewhere in here. The two most | |
3908 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3909 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3910 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3911 | int euid = PerlProc_geteuid(); |
af419de7 | 3912 | int gid = PerlProc_getgid(); |
22f7c9c9 | 3913 | int egid = PerlProc_getegid(); |
6867be6d | 3914 | (void)envp; |
22f7c9c9 JH |
3915 | |
3916 | #ifdef VMS | |
af419de7 | 3917 | uid |= gid << 16; |
22f7c9c9 JH |
3918 | euid |= egid << 16; |
3919 | #endif | |
3920 | if (uid && (euid != uid || egid != gid)) | |
3921 | return 1; | |
c3446a78 | 3922 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3923 | /* This is a really primitive check; environment gets ignored only |
3924 | * if -T are the first chars together; otherwise one gets | |
3925 | * "Too late" message. */ | |
22f7c9c9 JH |
3926 | if ( argc > 1 && argv[1][0] == '-' |
3927 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3928 | return 1; | |
3929 | return 0; | |
3930 | } | |
22f7c9c9 | 3931 | |
d0bafe7e NC |
3932 | /* Passing the flag as a single char rather than a string is a slight space |
3933 | optimisation. The only message that isn't /^-.$/ is | |
3934 | "program input from stdin", which is substituted in place of '\0', which | |
3935 | could never be a command line flag. */ | |
76e3520e | 3936 | STATIC void |
f20b2998 | 3937 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 3938 | { |
97aff369 | 3939 | dVAR; |
d0bafe7e NC |
3940 | char string[3] = "-x"; |
3941 | const char *message = "program input from stdin"; | |
3942 | ||
3943 | if (flag) { | |
3944 | string[1] = flag; | |
3945 | message = string; | |
3946 | } | |
3947 | ||
ae3f3efd | 3948 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 3949 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 3950 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 3951 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 3952 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 3953 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 3954 | if (suidscript) |
d0bafe7e | 3955 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 3956 | } |
3957 | ||
1ee4443e | 3958 | void |
5b235299 NC |
3959 | Perl_init_dbargs(pTHX) |
3960 | { | |
3961 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
3962 | GV_ADDMULTI, | |
3963 | SVt_PVAV)))); | |
3964 | ||
3965 | if (AvREAL(args)) { | |
3966 | /* Someone has already created it. | |
3967 | It might have entries, and if we just turn off AvREAL(), they will | |
3968 | "leak" until global destruction. */ | |
3969 | av_clear(args); | |
3df49e2a | 3970 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 3971 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 3972 | } |
af80dd86 | 3973 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
3974 | } |
3975 | ||
3976 | void | |
1ee4443e | 3977 | Perl_init_debugger(pTHX) |
748a9306 | 3978 | { |
97aff369 | 3979 | dVAR; |
c4420975 | 3980 | HV * const ostash = PL_curstash; |
1ee4443e | 3981 | |
03d9f026 | 3982 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
3983 | |
3984 | Perl_init_dbargs(aTHX); | |
5c1737d1 NC |
3985 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3986 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3987 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
3988 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
4c0f30d6 NC |
3989 | if (!SvIOK(PL_DBsingle)) |
3990 | sv_setiv(PL_DBsingle, 0); | |
5c1737d1 | 3991 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3992 | if (!SvIOK(PL_DBtrace)) |
3993 | sv_setiv(PL_DBtrace, 0); | |
5c1737d1 | 3994 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3995 | if (!SvIOK(PL_DBsignal)) |
3996 | sv_setiv(PL_DBsignal, 0); | |
03d9f026 | 3997 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 3998 | PL_curstash = ostash; |
352d5a3a LW |
3999 | } |
4000 | ||
2ce36478 SM |
4001 | #ifndef STRESS_REALLOC |
4002 | #define REASONABLE(size) (size) | |
4003 | #else | |
4004 | #define REASONABLE(size) (1) /* unreasonable */ | |
4005 | #endif | |
4006 | ||
11343788 | 4007 | void |
cea2e8a9 | 4008 | Perl_init_stacks(pTHX) |
79072805 | 4009 | { |
97aff369 | 4010 | dVAR; |
e336de0d | 4011 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4012 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4013 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4014 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4015 | PL_curstack = PL_curstackinfo->si_stack; | |
4016 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4017 | |
3280af22 NIS |
4018 | PL_stack_base = AvARRAY(PL_curstack); |
4019 | PL_stack_sp = PL_stack_base; | |
4020 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4021 | |
a02a5408 | 4022 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4023 | PL_tmps_floor = -1; |
4024 | PL_tmps_ix = -1; | |
4025 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4026 | |
a02a5408 | 4027 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4028 | PL_markstack_ptr = PL_markstack; |
4029 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4030 | |
ce2f7c3b | 4031 | SET_MARK_OFFSET; |
e336de0d | 4032 | |
a02a5408 | 4033 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4034 | #ifdef DEBUGGING |
4035 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4036 | #endif | |
3280af22 NIS |
4037 | PL_scopestack_ix = 0; |
4038 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4039 | |
a02a5408 | 4040 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
4041 | PL_savestack_ix = 0; |
4042 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 4043 | } |
33b78306 | 4044 | |
2ce36478 SM |
4045 | #undef REASONABLE |
4046 | ||
76e3520e | 4047 | STATIC void |
cea2e8a9 | 4048 | S_nuke_stacks(pTHX) |
6e72f9df | 4049 | { |
97aff369 | 4050 | dVAR; |
3280af22 NIS |
4051 | while (PL_curstackinfo->si_next) |
4052 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4053 | while (PL_curstackinfo) { | |
4054 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4055 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4056 | Safefree(PL_curstackinfo->si_cxstack); |
4057 | Safefree(PL_curstackinfo); | |
4058 | PL_curstackinfo = p; | |
e336de0d | 4059 | } |
3280af22 NIS |
4060 | Safefree(PL_tmps_stack); |
4061 | Safefree(PL_markstack); | |
4062 | Safefree(PL_scopestack); | |
58780814 GG |
4063 | #ifdef DEBUGGING |
4064 | Safefree(PL_scopestack_name); | |
4065 | #endif | |
3280af22 | 4066 | Safefree(PL_savestack); |
378cc40b | 4067 | } |
33b78306 | 4068 | |
74e8ce34 NC |
4069 | void |
4070 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4071 | { | |
4072 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4073 | AV *const isa = GvAVn(gv); | |
4074 | va_list args; | |
4075 | ||
4076 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4077 | ||
4078 | if(AvFILLp(isa) != -1) | |
4079 | return; | |
4080 | ||
4081 | /* NOTE: No support for tied ISA */ | |
4082 | ||
4083 | va_start(args, len); | |
4084 | do { | |
4085 | const char *const parent = va_arg(args, const char*); | |
4086 | size_t parent_len; | |
4087 | ||
4088 | if (!parent) | |
4089 | break; | |
4090 | parent_len = va_arg(args, size_t); | |
4091 | ||
4092 | /* Arguments are supplied with a trailing :: */ | |
4093 | assert(parent_len > 2); | |
4094 | assert(parent[parent_len - 1] == ':'); | |
4095 | assert(parent[parent_len - 2] == ':'); | |
4096 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4097 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4098 | } while (1); | |
4099 | va_end(args); | |
4100 | } | |
4101 | ||
8990e307 | 4102 | |
76e3520e | 4103 | STATIC void |
cea2e8a9 | 4104 | S_init_predump_symbols(pTHX) |
45d8adaa | 4105 | { |
97aff369 | 4106 | dVAR; |
93a17b20 | 4107 | GV *tmpgv; |
af8c498a | 4108 | IO *io; |
79072805 | 4109 | |
64ace3f8 | 4110 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4111 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4112 | ||
d963bf01 NC |
4113 | |
4114 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4115 | FileHandle was loaded, in which case they were blessed into | |
4116 | that. Action at a distance. | |
4117 | However, if we simply bless into IO::Handle, we break code | |
4118 | that assumes that PVIOs will have (among others) a seek | |
4119 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4120 | and provides the needed methods. But if we simply bless into | |
4121 | it, then we break code that assumed that by loading | |
4122 | IO::Handle, *it* would work. | |
4123 | So a compromise is to set up the correct @IO::File::ISA, | |
4124 | so that code that does C<use IO::Handle>; will still work. | |
4125 | */ | |
4126 | ||
74e8ce34 NC |
4127 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4128 | STR_WITH_LEN("IO::Handle::"), | |
4129 | STR_WITH_LEN("IO::Seekable::"), | |
4130 | STR_WITH_LEN("Exporter::"), | |
4131 | NULL); | |
d963bf01 | 4132 | |
fafc274c | 4133 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4134 | GvMULTI_on(PL_stdingv); |
af8c498a | 4135 | io = GvIOp(PL_stdingv); |
a04651f4 | 4136 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4137 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4138 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4139 | GvMULTI_on(tmpgv); |
a45c7426 | 4140 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4141 | |
fafc274c | 4142 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4143 | GvMULTI_on(tmpgv); |
af8c498a | 4144 | io = GvIOp(tmpgv); |
a04651f4 | 4145 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4146 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4147 | setdefout(tmpgv); |
fafc274c | 4148 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4149 | GvMULTI_on(tmpgv); |
a45c7426 | 4150 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4151 | |
fafc274c | 4152 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4153 | GvMULTI_on(PL_stderrgv); |
4154 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4155 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4156 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4157 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4158 | GvMULTI_on(tmpgv); |
a45c7426 | 4159 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4160 | |
de61bf2a | 4161 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4162 | } |
33b78306 | 4163 | |
a11ec5a9 | 4164 | void |
5aaab254 | 4165 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4166 | { |
97aff369 | 4167 | dVAR; |
7918f24d NC |
4168 | |
4169 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
4170 | ||
79072805 | 4171 | argc--,argv++; /* skip name of script */ |
3280af22 | 4172 | if (PL_doswitches) { |
79072805 | 4173 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4174 | char *s; |
79072805 LW |
4175 | if (!argv[0][1]) |
4176 | break; | |
379d538a | 4177 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4178 | argc--,argv++; |
4179 | break; | |
4180 | } | |
155aba94 | 4181 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4182 | const char *const start_name = argv[0] + 1; |
4183 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4184 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4185 | } |
4186 | else | |
71315bf2 | 4187 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4188 | } |
79072805 | 4189 | } |
fafc274c | 4190 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
4191 | GvMULTI_on(PL_argvgv); |
4192 | (void)gv_AVadd(PL_argvgv); | |
4193 | av_clear(GvAVn(PL_argvgv)); | |
4194 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4195 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 4196 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
4197 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4198 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4199 | SvUTF8_on(sv); | |
4200 | } | |
a05d7ebb JH |
4201 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4202 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4203 | } |
4204 | } | |
82f96200 JL |
4205 | |
4206 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4207 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4208 | "-i used with no filenames on the command line, " | |
4209 | "reading from STDIN"); | |
a11ec5a9 RGS |
4210 | } |
4211 | ||
4212 | STATIC void | |
5aaab254 | 4213 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4214 | { |
27da23d5 | 4215 | dVAR; |
a11ec5a9 | 4216 | GV* tmpgv; |
a11ec5a9 | 4217 | |
7918f24d NC |
4218 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4219 | ||
f2da823f | 4220 | PL_toptarget = newSV_type(SVt_PVIV); |
76f68e9b | 4221 | sv_setpvs(PL_toptarget, ""); |
f2da823f | 4222 | PL_bodytarget = newSV_type(SVt_PVIV); |
76f68e9b | 4223 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4224 | PL_formtarget = PL_bodytarget; |
79072805 | 4225 | |
bbce6d69 | 4226 | TAINT; |
a11ec5a9 RGS |
4227 | |
4228 | init_argv_symbols(argc,argv); | |
4229 | ||
fafc274c | 4230 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4231 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4232 | } |
fafc274c | 4233 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4234 | HV *hv; |
e17132c1 | 4235 | bool env_is_not_environ; |
3280af22 NIS |
4236 | GvMULTI_on(PL_envgv); |
4237 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4238 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4239 | #ifndef PERL_MICRO |
fa6a1c44 | 4240 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4241 | /* Note that if the supplied env parameter is actually a copy |
4242 | of the global environ then it may now point to free'd memory | |
4243 | if the environment has been modified since. To avoid this | |
4244 | problem we treat env==NULL as meaning 'use the default' | |
4245 | */ | |
4246 | if (!env) | |
4247 | env = environ; | |
e17132c1 JD |
4248 | env_is_not_environ = env != environ; |
4249 | if (env_is_not_environ | |
4efc5df6 GS |
4250 | # ifdef USE_ITHREADS |
4251 | && PL_curinterp == aTHX | |
4252 | # endif | |
4253 | ) | |
4254 | { | |
bd61b366 | 4255 | environ[0] = NULL; |
4efc5df6 | 4256 | } |
9b4eeda5 | 4257 | if (env) { |
9d27dca9 | 4258 | char *s, *old_var; |
27da23d5 | 4259 | SV *sv; |
764df951 | 4260 | for (; *env; env++) { |
9d27dca9 MT |
4261 | old_var = *env; |
4262 | ||
4263 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4264 | continue; |
9d27dca9 | 4265 | |
7da0e383 | 4266 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4267 | *s = '\0'; |
9d27dca9 | 4268 | (void)strupr(old_var); |
61968511 | 4269 | *s = '='; |
137443ea | 4270 | #endif |
61968511 | 4271 | sv = newSVpv(s+1, 0); |
9d27dca9 | 4272 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 4273 | if (env_is_not_environ) |
61968511 | 4274 | mg_set(sv); |
764df951 | 4275 | } |
9b4eeda5 | 4276 | } |
103a7189 | 4277 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4278 | #endif /* !PERL_MICRO */ |
79072805 | 4279 | } |
bbce6d69 | 4280 | TAINT_NOT; |
2710853f MJD |
4281 | |
4282 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4283 | if (PL_minus_a) { | |
cbfd0a87 | 4284 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4285 | } |
33b78306 | 4286 | } |
34de22dd | 4287 | |
76e3520e | 4288 | STATIC void |
2cace6ac | 4289 | S_init_perllib(pTHX) |
34de22dd | 4290 | { |
97aff369 | 4291 | dVAR; |
32910c7a | 4292 | #ifndef VMS |
929e5b34 | 4293 | const char *perl5lib = NULL; |
32910c7a | 4294 | #endif |
35ba5ce9 | 4295 | const char *s; |
a7560424 | 4296 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4297 | STRLEN len; |
4298 | #endif | |
4299 | ||
284167a5 | 4300 | if (!TAINTING_get) { |
552a7a9b | 4301 | #ifndef VMS |
32910c7a | 4302 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4303 | /* |
4304 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4305 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4306 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4307 | */ |
4308 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4309 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4310 | #else |
32910c7a | 4311 | if (perl5lib) |
88f5bc07 | 4312 | #endif |
32910c7a | 4313 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4314 | else { |
4705144d NC |
4315 | s = PerlEnv_getenv("PERLLIB"); |
4316 | if (s) | |
50d61629 | 4317 | incpush_use_sep(s, 0, 0); |
4705144d | 4318 | } |
552a7a9b | 4319 | #else /* VMS */ |
4320 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4321 | * "natural" VMS idiom for a Unix path string. We allow each | |
4322 | * element to be a set of |-separated directories for compatibility. | |
4323 | */ | |
4324 | char buf[256]; | |
4325 | int idx = 0; | |
4326 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4327 | do { |
2cace6ac | 4328 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4329 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4330 | else { |
e28f3139 | 4331 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4332 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4333 | } |
552a7a9b | 4334 | #endif /* VMS */ |
85e6fe83 | 4335 | } |
34de22dd | 4336 | |
b0e687f7 NC |
4337 | #ifndef PERL_IS_MINIPERL |
4338 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4339 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4340 | ||
c90c0ff4 | 4341 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4342 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4343 | */ |
4633a7c4 | 4344 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4345 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4346 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4347 | #endif |
4633a7c4 | 4348 | |
65f19062 | 4349 | #ifdef SITEARCH_EXP |
3b290362 GS |
4350 | /* sitearch is always relative to sitelib on Windows for |
4351 | * DLL-based path intuition to work correctly */ | |
4352 | # if !defined(WIN32) | |
be71fc8f NC |
4353 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4354 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4355 | # endif |
4356 | #endif | |
4357 | ||
4633a7c4 | 4358 | #ifdef SITELIB_EXP |
65f19062 | 4359 | # if defined(WIN32) |
574c798a | 4360 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4361 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4362 | if (s) |
e6a0bbf8 | 4363 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4364 | # else |
50d61629 | 4365 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4366 | # endif |
4367 | #endif | |
189d1e8d | 4368 | |
65f19062 | 4369 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4370 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4371 | * DLL-based path intuition to work correctly */ |
4372 | # if !defined(WIN32) | |
be71fc8f NC |
4373 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4374 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4375 | # endif |
4b03c463 | 4376 | #endif |
65f19062 GS |
4377 | |
4378 | #ifdef PERL_VENDORLIB_EXP | |
4379 | # if defined(WIN32) | |
e28f3139 | 4380 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4381 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4382 | if (s) |
e6a0bbf8 | 4383 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4384 | # else |
be71fc8f NC |
4385 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4386 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4387 | # endif |
a3635516 | 4388 | #endif |
65f19062 | 4389 | |
b9ba2fad | 4390 | #ifdef ARCHLIB_EXP |
2cace6ac | 4391 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4392 | #endif |
4393 | ||
4394 | #ifndef PRIVLIB_EXP | |
4395 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4396 | #endif | |
4397 | ||
4398 | #if defined(WIN32) | |
2cace6ac NC |
4399 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4400 | if (s) | |
4401 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4402 | #else |
04c9eecc | 4403 | # ifdef NETWARE |
2cace6ac | 4404 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4405 | # else |
2cace6ac | 4406 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4407 | # endif |
b9ba2fad NC |
4408 | #endif |
4409 | ||
3b777bb4 | 4410 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4411 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4412 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4413 | |INCPUSH_CAN_RELOCATE); |
4414 | #endif | |
2cace6ac | 4415 | |
284167a5 | 4416 | if (!TAINTING_get) { |
2cace6ac | 4417 | #ifndef VMS |
2cace6ac NC |
4418 | /* |
4419 | * It isn't possible to delete an environment variable with | |
4420 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4421 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4422 | */ | |
4423 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4424 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4425 | #else |
32910c7a | 4426 | if (perl5lib) |
2cace6ac | 4427 | #endif |
32910c7a NC |
4428 | incpush_use_sep(perl5lib, 0, |
4429 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4430 | #else /* VMS */ |
4431 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4432 | * "natural" VMS idiom for a Unix path string. We allow each | |
4433 | * element to be a set of |-separated directories for compatibility. | |
4434 | */ | |
4435 | char buf[256]; | |
4436 | int idx = 0; | |
4437 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4438 | do { | |
be71fc8f NC |
4439 | incpush_use_sep(buf, 0, |
4440 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4441 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4442 | #endif /* VMS */ | |
a26c0e28 | 4443 | } |
2cace6ac NC |
4444 | |
4445 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4446 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4447 | */ |
4448 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4449 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4450 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4451 | #endif |
4452 | ||
2cace6ac NC |
4453 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4454 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4455 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4456 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4457 | #endif |
4458 | ||
4459 | ||
4460 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4461 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4462 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4463 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4464 | #endif |
4465 | ||
4466 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4467 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4468 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4469 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4470 | #endif |
b0e687f7 | 4471 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4472 | |
284167a5 | 4473 | if (!TAINTING_get) |
55b4bc1c | 4474 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4475 | } |
4476 | ||
739a0b84 | 4477 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4478 | # define PERLLIB_SEP ';' |
4479 | #else | |
4480 | # if defined(VMS) | |
4481 | # define PERLLIB_SEP '|' | |
4482 | # else | |
e37778c2 | 4483 | # define PERLLIB_SEP ':' |
774d564b | 4484 | # endif |
4485 | #endif | |
4486 | #ifndef PERLLIB_MANGLE | |
4487 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4488 | #endif |
774d564b | 4489 | |
59d6f6a4 | 4490 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4491 | /* Push a directory onto @INC if it exists. |
4492 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4493 | onto @INC */ | |
4494 | STATIC SV * | |
7ffdaae6 | 4495 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4496 | { |
97aff369 | 4497 | dVAR; |
ad17a1ae | 4498 | Stat_t tmpstatbuf; |
7918f24d NC |
4499 | |
4500 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4501 | ||
848ef955 | 4502 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4503 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4504 | av_push(av, dir); |
7ffdaae6 NC |
4505 | dir = newSVsv(stem); |
4506 | } else { | |
4507 | /* Truncate dir back to stem. */ | |
4508 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4509 | } |
4510 | return dir; | |
4511 | } | |
59d6f6a4 | 4512 | #endif |
ad17a1ae | 4513 | |
c29067d7 CH |
4514 | STATIC SV * |
4515 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4516 | { |
6434436b | 4517 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4518 | SV *libdir; |
774d564b | 4519 | |
c29067d7 | 4520 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4521 | assert(len > 0); |
3a9a9ba7 | 4522 | |
d2898d73 EB |
4523 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4524 | defined to so something (in os2/os2.c), but the code has been | |
4525 | this way, ignoring any possible changed of length, since | |
4526 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4527 | it be. */ | |
4528 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4529 | |
81600524 | 4530 | #ifdef VMS |
db12e2d3 | 4531 | { |
81600524 | 4532 | char *unix; |
81600524 CB |
4533 | |
4534 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4535 | len = strlen(unix); | |
4536 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4537 | sv_usepvn(libdir,unix,len); | |
4538 | } | |
4539 | else | |
4540 | PerlIO_printf(Perl_error_log, | |
4541 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4542 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4543 | } |
81600524 CB |
4544 | #endif |
4545 | ||
dd374669 AL |
4546 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4547 | parameter. */ | |
4548 | if (canrelocate) { | |
88fe16b2 NC |
4549 | #ifdef PERL_RELOCATABLE_INC |
4550 | /* | |
4551 | * Relocatable include entries are marked with a leading .../ | |
4552 | * | |
4553 | * The algorithm is | |
4554 | * 0: Remove that leading ".../" | |
4555 | * 1: Remove trailing executable name (anything after the last '/') | |
4556 | * from the perl path to give a perl prefix | |
4557 | * Then | |
4558 | * While the @INC element starts "../" and the prefix ends with a real | |
4559 | * directory (ie not . or ..) chop that real directory off the prefix | |
4560 | * and the leading "../" from the @INC element. ie a logical "../" | |
4561 | * cleanup | |
4562 | * Finally concatenate the prefix and the remainder of the @INC element | |
4563 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4564 | * generates /usr/local/lib/perl5 | |
4565 | */ | |
890ce7af | 4566 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4567 | STRLEN libpath_len = SvCUR(libdir); |
4568 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4569 | /* Game on! */ | |
890ce7af | 4570 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4571 | /* Going to use the SV just as a scratch buffer holding a C |
4572 | string: */ | |
4573 | SV *prefix_sv; | |
4574 | char *prefix; | |
4575 | char *lastslash; | |
4576 | ||
4577 | /* $^X is *the* source of taint if tainting is on, hence | |
4578 | SvPOK() won't be true. */ | |
4579 | assert(caret_X); | |
4580 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4581 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4582 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4583 | /* Firstly take off the leading .../ |
4584 | If all else fail we'll do the paths relative to the current | |
4585 | directory. */ | |
4586 | sv_chop(libdir, libpath + 4); | |
4587 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4588 | mortal copies that the mg_get of tainting creates, and | |
4589 | corruption that seems to come via the save stack. | |
4590 | I guess that the save stack isn't correctly set up yet. */ | |
4591 | libpath = SvPVX(libdir); | |
4592 | libpath_len = SvCUR(libdir); | |
4593 | ||
4594 | /* This would work more efficiently with memrchr, but as it's | |
4595 | only a GNU extension we'd need to probe for it and | |
4596 | implement our own. Not hard, but maybe not worth it? */ | |
4597 | ||
4598 | prefix = SvPVX(prefix_sv); | |
4599 | lastslash = strrchr(prefix, '/'); | |
4600 | ||
4601 | /* First time in with the *lastslash = '\0' we just wipe off | |
4602 | the trailing /perl from (say) /usr/foo/bin/perl | |
4603 | */ | |
4604 | if (lastslash) { | |
4605 | SV *tempsv; | |
4606 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4607 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4608 | && (lastslash = strrchr(prefix, '/')))) { | |
4609 | if (lastslash[1] == '\0' | |
4610 | || (lastslash[1] == '.' | |
4611 | && (lastslash[2] == '/' /* ends "/." */ | |
4612 | || (lastslash[2] == '/' | |
4613 | && lastslash[3] == '/' /* or "/.." */ | |
4614 | )))) { | |
4615 | /* Prefix ends "/" or "/." or "/..", any of which | |
4616 | are fishy, so don't do any more logical cleanup. | |
4617 | */ | |
4618 | break; | |
4619 | } | |
4620 | /* Remove leading "../" from path */ | |
4621 | libpath += 3; | |
4622 | libpath_len -= 3; | |
4623 | /* Next iteration round the loop removes the last | |
4624 | directory name from prefix by writing a '\0' in | |
4625 | the while clause. */ | |
4626 | } | |
4627 | /* prefix has been terminated with a '\0' to the correct | |
4628 | length. libpath points somewhere into the libdir SV. | |
4629 | We need to join the 2 with '/' and drop the result into | |
4630 | libdir. */ | |
4631 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4632 | SvREFCNT_dec(libdir); | |
4633 | /* And this is the new libdir. */ | |
4634 | libdir = tempsv; | |
284167a5 | 4635 | if (TAINTING_get && |
985213f2 AB |
4636 | (PerlProc_getuid() != PerlProc_geteuid() || |
4637 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4638 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4639 | SvTAINTED_on(libdir); |
4640 | } | |
4641 | } | |
4642 | SvREFCNT_dec(prefix_sv); | |
4643 | } | |
88fe16b2 | 4644 | #endif |
dd374669 | 4645 | } |
c29067d7 | 4646 | return libdir; |
c29067d7 CH |
4647 | } |
4648 | ||
4649 | STATIC void | |
4650 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4651 | { | |
4652 | dVAR; | |
4653 | #ifndef PERL_IS_MINIPERL | |
4654 | const U8 using_sub_dirs | |
4655 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4656 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4657 | const U8 add_versioned_sub_dirs | |
4658 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4659 | const U8 add_archonly_sub_dirs | |
4660 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4661 | #ifdef PERL_INC_VERSION_LIST | |
4662 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4663 | #endif | |
4664 | #endif | |
4665 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4666 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4667 | AV *const inc = GvAVn(PL_incgv); | |
4668 | ||
4669 | PERL_ARGS_ASSERT_INCPUSH; | |
4670 | assert(len > 0); | |
4671 | ||
4672 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4673 | re-indenting diff noise. */ | |
4674 | { | |
5a702b9a | 4675 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4676 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4677 | arranged to unshift #! line -I onto the front of @INC. However, | |
4678 | -I can add version and architecture specific libraries, and they | |
4679 | need to go first. The old code assumed that it was always | |
4680 | pushing. Hence to make it work, need to push the architecture | |
4681 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4682 | the front of @INC. */ | |
4683 | #ifndef PERL_IS_MINIPERL | |
4684 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4685 | |
774d564b | 4686 | /* |
4687 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4688 | * archname-specific sub-directories. | |
4689 | */ | |
ee80e7be | 4690 | if (using_sub_dirs) { |
5a702b9a | 4691 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4692 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4693 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4694 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4695 | const char * const *incver; | |
29d82f8d | 4696 | #endif |
7ffdaae6 | 4697 | |
1e3208d8 | 4698 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4699 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4700 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4701 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4702 | |
9c8a64f0 | 4703 | /* .../version if -d .../version */ |
e51b748d | 4704 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4705 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4706 | } |
9c8a64f0 | 4707 | |
9c8a64f0 | 4708 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4709 | if (addoldvers) { |
9c8a64f0 GS |
4710 | for (incver = incverlist; *incver; incver++) { |
4711 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4712 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4713 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4714 | } |
4715 | } | |
29d82f8d | 4716 | #endif |
c992324b | 4717 | |
1e3208d8 | 4718 | if (add_archonly_sub_dirs) { |
c992324b | 4719 | /* .../archname if -d .../archname */ |
e51b748d | 4720 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4721 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4722 | |
4723 | } | |
10cc20f6 NC |
4724 | |
4725 | assert (SvREFCNT(subdir) == 1); | |
4726 | SvREFCNT_dec(subdir); | |
774d564b | 4727 | } |
59d6f6a4 | 4728 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4729 | /* finally add this lib directory at the end of @INC */ |
4730 | if (unshift) { | |
76895e89 NC |
4731 | #ifdef PERL_IS_MINIPERL |
4732 | const U32 extra = 0; | |
4733 | #else | |
3a9a9ba7 | 4734 | U32 extra = av_len(av) + 1; |
76895e89 | 4735 | #endif |
a26c0e28 NC |
4736 | av_unshift(inc, extra + push_basedir); |
4737 | if (push_basedir) | |
4738 | av_store(inc, extra, libdir); | |
76895e89 | 4739 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4740 | while (extra--) { |
4741 | /* av owns a reference, av_store() expects to be donated a | |
4742 | reference, and av expects to be sane when it's cleared. | |
4743 | If I wanted to be naughty and wrong, I could peek inside the | |
4744 | implementation of av_clear(), realise that it uses | |
4745 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4746 | and so directly steal from it (with a memcpy() to inc, and | |
4747 | then memset() to NULL them out. But people copy code from the | |
4748 | core expecting it to be best practise, so let's use the API. | |
4749 | Although studious readers will note that I'm not checking any | |
4750 | return codes. */ | |
4751 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4752 | } | |
4753 | SvREFCNT_dec(av); | |
59d6f6a4 | 4754 | #endif |
20189146 | 4755 | } |
a26c0e28 | 4756 | else if (push_basedir) { |
3a9a9ba7 | 4757 | av_push(inc, libdir); |
20189146 | 4758 | } |
a26c0e28 NC |
4759 | |
4760 | if (!push_basedir) { | |
4761 | assert (SvREFCNT(libdir) == 1); | |
4762 | SvREFCNT_dec(libdir); | |
4763 | } | |
774d564b | 4764 | } |
34de22dd | 4765 | } |
93a17b20 | 4766 | |
55b4bc1c | 4767 | STATIC void |
50d61629 | 4768 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4769 | { |
50d61629 NC |
4770 | const char *s; |
4771 | const char *end; | |
55b4bc1c NC |
4772 | /* This logic has been broken out from S_incpush(). It may be possible to |
4773 | simplify it. */ | |
4774 | ||
4705144d NC |
4775 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4776 | ||
f31c6eed JD |
4777 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4778 | * argument to incpush_use_sep. This allows creation of relocatable | |
4779 | * Perl distributions that patch the binary at install time. Those | |
4780 | * distributions will have to provide their own relocation tools; this | |
4781 | * is not a feature otherwise supported by core Perl. | |
4782 | */ | |
4783 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4784 | if (!len) |
f31c6eed | 4785 | #endif |
50d61629 NC |
4786 | len = strlen(p); |
4787 | ||
4788 | end = p + len; | |
4789 | ||
55b4bc1c | 4790 | /* Break at all separators */ |
e42f52dd | 4791 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4792 | if (s == p) { |
4793 | /* skip any consecutive separators */ | |
55b4bc1c | 4794 | |
55b4bc1c | 4795 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4796 | /* But you'll need to write tests */ |
55b4bc1c | 4797 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4798 | } else { |
55b4bc1c | 4799 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4800 | } |
50d61629 | 4801 | p = s + 1; |
55b4bc1c | 4802 | } |
50d61629 NC |
4803 | if (p != end) |
4804 | incpush(p, (STRLEN)(end - p), flags); | |
4805 | ||
55b4bc1c | 4806 | } |
199100c8 | 4807 | |
93a17b20 | 4808 | void |
864dbfa3 | 4809 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4810 | { |
27da23d5 | 4811 | dVAR; |
971a9dd3 | 4812 | SV *atsv; |
5f40764f | 4813 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4814 | CV *cv; |
22921e25 | 4815 | STRLEN len; |
6224f72b | 4816 | int ret; |
db36c5a1 | 4817 | dJMPENV; |
93a17b20 | 4818 | |
7918f24d NC |
4819 | PERL_ARGS_ASSERT_CALL_LIST; |
4820 | ||
e1ec3a88 | 4821 | while (av_len(paramList) >= 0) { |
ea726b52 | 4822 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4823 | if (PL_savebegin) { |
4824 | if (paramList == PL_beginav) { | |
059a8bb7 | 4825 | /* save PL_beginav for compiler */ |
ad64d0ec | 4826 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4827 | } |
4828 | else if (paramList == PL_checkav) { | |
4829 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4830 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4831 | } |
3c10abe3 AG |
4832 | else if (paramList == PL_unitcheckav) { |
4833 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4834 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4835 | } |
059a8bb7 | 4836 | } else { |
81d86705 NC |
4837 | if (!PL_madskills) |
4838 | SAVEFREESV(cv); | |
059a8bb7 | 4839 | } |
14dd3ad8 | 4840 | JMPENV_PUSH(ret); |
6224f72b | 4841 | switch (ret) { |
312caa8e | 4842 | case 0: |
81d86705 NC |
4843 | #ifdef PERL_MAD |
4844 | if (PL_madskills) | |
4845 | PL_madskills |= 16384; | |
4846 | #endif | |
d6f07c05 | 4847 | CALL_LIST_BODY(cv); |
81d86705 NC |
4848 | #ifdef PERL_MAD |
4849 | if (PL_madskills) | |
4850 | PL_madskills &= ~16384; | |
4851 | #endif | |
971a9dd3 | 4852 | atsv = ERRSV; |
10516c54 | 4853 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4854 | if (len) { |
4855 | PL_curcop = &PL_compiling; | |
57843af0 | 4856 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4857 | if (paramList == PL_beginav) |
396482e1 | 4858 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4859 | else |
4f25aa18 GS |
4860 | Perl_sv_catpvf(aTHX_ atsv, |
4861 | "%s failed--call queue aborted", | |
7d30b5c4 | 4862 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4863 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4864 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4865 | : "END"); |
312caa8e CS |
4866 | while (PL_scopestack_ix > oldscope) |
4867 | LEAVE; | |
14dd3ad8 | 4868 | JMPENV_POP; |
be2597df | 4869 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4870 | } |
85e6fe83 | 4871 | break; |
6224f72b | 4872 | case 1: |
f86702cc | 4873 | STATUS_ALL_FAILURE; |
85e6fe83 | 4874 | /* FALL THROUGH */ |
6224f72b | 4875 | case 2: |
85e6fe83 | 4876 | /* my_exit() was called */ |
3280af22 | 4877 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4878 | LEAVE; |
84902520 | 4879 | FREETMPS; |
03d9f026 | 4880 | SET_CURSTASH(PL_defstash); |
3280af22 | 4881 | PL_curcop = &PL_compiling; |
57843af0 | 4882 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4883 | JMPENV_POP; |
f86702cc | 4884 | my_exit_jump(); |
118e2215 | 4885 | assert(0); /* NOTREACHED */ |
6224f72b | 4886 | case 3: |
312caa8e CS |
4887 | if (PL_restartop) { |
4888 | PL_curcop = &PL_compiling; | |
57843af0 | 4889 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4890 | JMPENV_JUMP(3); |
85e6fe83 | 4891 | } |
5637ef5b | 4892 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
4893 | FREETMPS; |
4894 | break; | |
8990e307 | 4895 | } |
14dd3ad8 | 4896 | JMPENV_POP; |
93a17b20 | 4897 | } |
93a17b20 | 4898 | } |
93a17b20 | 4899 | |
f86702cc | 4900 | void |
864dbfa3 | 4901 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4902 | { |
97aff369 | 4903 | dVAR; |
f86702cc | 4904 | switch (status) { |
4905 | case 0: | |
4906 | STATUS_ALL_SUCCESS; | |
4907 | break; | |
4908 | case 1: | |
4909 | STATUS_ALL_FAILURE; | |
4910 | break; | |
4911 | default: | |
6ac6a52b | 4912 | STATUS_EXIT_SET(status); |
f86702cc | 4913 | break; |
4914 | } | |
4915 | my_exit_jump(); | |
4916 | } | |
4917 | ||
4918 | void | |
864dbfa3 | 4919 | Perl_my_failure_exit(pTHX) |
f86702cc | 4920 | { |
97aff369 | 4921 | dVAR; |
f86702cc | 4922 | #ifdef VMS |
fb38d079 JM |
4923 | /* We have been called to fall on our sword. The desired exit code |
4924 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
4925 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
4926 | * that code is set. | |
fb38d079 JM |
4927 | * |
4928 | * If an error code has not been set, then force the issue. | |
4929 | */ | |
0968cdad JM |
4930 | if (MY_POSIX_EXIT) { |
4931 | ||
e08e1e1d JM |
4932 | /* According to the die_exit.t tests, if errno is non-zero */ |
4933 | /* It should be used for the error status. */ | |
0968cdad | 4934 | |
e08e1e1d JM |
4935 | if (errno == EVMSERR) { |
4936 | STATUS_NATIVE = vaxc$errno; | |
4937 | } else { | |
0968cdad | 4938 | |
e08e1e1d JM |
4939 | /* According to die_exit.t tests, if the child_exit code is */ |
4940 | /* also zero, then we need to exit with a code of 255 */ | |
4941 | if ((errno != 0) && (errno < 256)) | |
4942 | STATUS_UNIX_EXIT_SET(errno); | |
4943 | else if (STATUS_UNIX < 255) { | |
0968cdad | 4944 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
4945 | } |
4946 | ||
0968cdad | 4947 | } |
e08e1e1d JM |
4948 | |
4949 | /* The exit code could have been set by $? or vmsish which | |
4950 | * means that it may not have fatal set. So convert | |
4951 | * success/warning codes to fatal with out changing | |
4952 | * the POSIX status code. The severity makes VMS native | |
4953 | * status handling work, while UNIX mode programs use the | |
4954 | * the POSIX exit codes. | |
4955 | */ | |
4956 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
4957 | STATUS_NATIVE &= STS$M_COND_ID; | |
4958 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
4959 | } | |
0968cdad JM |
4960 | } |
4961 | else { | |
4962 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
4963 | if (vaxc$errno & 1) { | |
4964 | ||
4965 | /* So force success status to failure */ | |
4966 | if (STATUS_NATIVE & 1) | |
4967 | STATUS_ALL_FAILURE; | |
4968 | } | |
4969 | else { | |
4970 | if (!vaxc$errno) { | |
4971 | STATUS_UNIX = EINTR; /* In case something cares */ | |
4972 | STATUS_ALL_FAILURE; | |
4973 | } | |
4974 | else { | |
4975 | int severity; | |
4976 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
4977 | ||
4978 | /* Encode the severity code */ | |
4979 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
4980 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
4981 | ||
4982 | /* Perl expects this to be a fatal error */ | |
4983 | if (severity != STS$K_SEVERE) | |
4984 | STATUS_ALL_FAILURE; | |
4985 | } | |
4986 | } | |
4987 | } | |
fb38d079 | 4988 | |
f86702cc | 4989 | #else |
9b599b2a | 4990 | int exitstatus; |
f86702cc | 4991 | if (errno & 255) |
e5218da5 | 4992 | STATUS_UNIX_SET(errno); |
9b599b2a | 4993 | else { |
e5218da5 | 4994 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 4995 | if (exitstatus & 255) |
e5218da5 | 4996 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 4997 | else |
e5218da5 | 4998 | STATUS_UNIX_SET(255); |
9b599b2a | 4999 | } |
f86702cc | 5000 | #endif |
5001 | my_exit_jump(); | |
93a17b20 LW |
5002 | } |
5003 | ||
76e3520e | 5004 | STATIC void |
cea2e8a9 | 5005 | S_my_exit_jump(pTHX) |
f86702cc | 5006 | { |
27da23d5 | 5007 | dVAR; |
f86702cc | 5008 | |
3280af22 NIS |
5009 | if (PL_e_script) { |
5010 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5011 | PL_e_script = NULL; |
f86702cc | 5012 | } |
5013 | ||
3280af22 | 5014 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
5015 | dounwind(-1); |
5016 | LEAVE_SCOPE(0); | |
ff0cee69 | 5017 | |
6224f72b | 5018 | JMPENV_JUMP(2); |
f86702cc | 5019 | } |
873ef191 | 5020 | |
0cb96387 | 5021 | static I32 |
acfe0abc | 5022 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5023 | { |
97aff369 | 5024 | dVAR; |
9d4ba2ae AL |
5025 | const char * const p = SvPVX_const(PL_e_script); |
5026 | const char *nl = strchr(p, '\n'); | |
5027 | ||
5028 | PERL_UNUSED_ARG(idx); | |
5029 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5030 | |
3280af22 | 5031 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5032 | if (nl-p == 0) { |
0cb96387 | 5033 | filter_del(read_e_script); |
873ef191 | 5034 | return 0; |
7dfe3f66 | 5035 | } |
873ef191 | 5036 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5037 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5038 | return 1; |
5039 | } | |
66610fdd RGS |
5040 | |
5041 | /* | |
5042 | * Local variables: | |
5043 | * c-indentation-style: bsd | |
5044 | * c-basic-offset: 4 | |
14d04a33 | 5045 | * indent-tabs-mode: nil |
66610fdd RGS |
5046 | * End: |
5047 | * | |
14d04a33 | 5048 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5049 | */ |