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