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 | ||
2aa47728 | 41 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
42 | # ifdef I_SYSUIO |
43 | # include <sys/uio.h> | |
44 | # endif | |
45 | ||
46 | union control_un { | |
47 | struct cmsghdr cm; | |
48 | char control[CMSG_SPACE(sizeof(int))]; | |
49 | }; | |
50 | ||
2aa47728 NC |
51 | #endif |
52 | ||
5311654c JH |
53 | #ifndef HZ |
54 | # ifdef CLK_TCK | |
55 | # define HZ CLK_TCK | |
56 | # else | |
57 | # define HZ 60 | |
58 | # endif | |
59 | #endif | |
60 | ||
7114a2d2 | 61 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 62 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 63 | #endif |
64 | ||
acfe0abc | 65 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 66 | |
cc69b689 | 67 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 68 | # define validate_suid(rsfp) NOOP |
cc69b689 | 69 | #else |
b24bc095 | 70 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 71 | #endif |
8d063cd8 | 72 | |
d6f07c05 AL |
73 | #define CALL_BODY_SUB(myop) \ |
74 | if (PL_op == (myop)) \ | |
139d0ce6 | 75 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
76 | if (PL_op) \ |
77 | CALLRUNOPS(aTHX); | |
78 | ||
79 | #define CALL_LIST_BODY(cv) \ | |
80 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 81 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 82 | |
e6827a76 | 83 | static void |
daa7d858 | 84 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 85 | { |
27da23d5 | 86 | dVAR; |
e6827a76 NC |
87 | if (!PL_curinterp) { |
88 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 89 | #if defined(USE_ITHREADS) |
e6827a76 NC |
90 | INIT_THREADS; |
91 | ALLOC_THREAD_KEY; | |
92 | PERL_SET_THX(my_perl); | |
93 | OP_REFCNT_INIT; | |
e8570548 | 94 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 95 | HINTS_REFCNT_INIT; |
e6827a76 | 96 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
97 | MUTEX_INIT(&PL_my_ctx_mutex); |
98 | # endif | |
e6827a76 | 99 | } |
c0bce9aa NC |
100 | #if defined(USE_ITHREADS) |
101 | else | |
102 | #else | |
103 | /* This always happens for non-ithreads */ | |
104 | #endif | |
105 | { | |
e6827a76 NC |
106 | PERL_SET_THX(my_perl); |
107 | } | |
108 | } | |
06d86050 | 109 | |
cbec8ebe DM |
110 | |
111 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
112 | ||
113 | void | |
114 | Perl_sys_init(int* argc, char*** argv) | |
115 | { | |
4fc0badb | 116 | dVAR; |
7918f24d NC |
117 | |
118 | PERL_ARGS_ASSERT_SYS_INIT; | |
119 | ||
cbec8ebe DM |
120 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
121 | PERL_UNUSED_ARG(argv); | |
122 | PERL_SYS_INIT_BODY(argc, argv); | |
123 | } | |
124 | ||
125 | void | |
126 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
127 | { | |
4fc0badb | 128 | dVAR; |
7918f24d NC |
129 | |
130 | PERL_ARGS_ASSERT_SYS_INIT3; | |
131 | ||
cbec8ebe DM |
132 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
133 | PERL_UNUSED_ARG(argv); | |
134 | PERL_UNUSED_ARG(env); | |
135 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
136 | } | |
137 | ||
138 | void | |
d0820ef1 | 139 | Perl_sys_term() |
cbec8ebe | 140 | { |
4fc0badb | 141 | dVAR; |
bf81751b DM |
142 | if (!PL_veto_cleanup) { |
143 | PERL_SYS_TERM_BODY(); | |
144 | } | |
cbec8ebe DM |
145 | } |
146 | ||
147 | ||
32e30700 GS |
148 | #ifdef PERL_IMPLICIT_SYS |
149 | PerlInterpreter * | |
7766f137 GS |
150 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
151 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
152 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
153 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
154 | struct IPerlProc* ipP) | |
155 | { | |
156 | PerlInterpreter *my_perl; | |
7918f24d NC |
157 | |
158 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
159 | ||
9f653bb5 | 160 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 161 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 162 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
163 | Zero(my_perl, 1, PerlInterpreter); |
164 | PL_Mem = ipM; | |
7766f137 GS |
165 | PL_MemShared = ipMS; |
166 | PL_MemParse = ipMP; | |
32e30700 GS |
167 | PL_Env = ipE; |
168 | PL_StdIO = ipStd; | |
169 | PL_LIO = ipLIO; | |
170 | PL_Dir = ipD; | |
171 | PL_Sock = ipS; | |
172 | PL_Proc = ipP; | |
7cb608b5 | 173 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 174 | |
32e30700 GS |
175 | return my_perl; |
176 | } | |
177 | #else | |
954c1994 GS |
178 | |
179 | /* | |
ccfc67b7 JH |
180 | =head1 Embedding Functions |
181 | ||
954c1994 GS |
182 | =for apidoc perl_alloc |
183 | ||
184 | Allocates a new Perl interpreter. See L<perlembed>. | |
185 | ||
186 | =cut | |
187 | */ | |
188 | ||
93a17b20 | 189 | PerlInterpreter * |
cea2e8a9 | 190 | perl_alloc(void) |
79072805 | 191 | { |
cea2e8a9 | 192 | PerlInterpreter *my_perl; |
79072805 | 193 | |
9f653bb5 | 194 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 195 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 196 | |
e6827a76 | 197 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 198 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 199 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
200 | #else |
201 | Zero(my_perl, 1, PerlInterpreter); | |
202 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
203 | return my_perl; | |
204 | #endif | |
79072805 | 205 | } |
32e30700 | 206 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 207 | |
954c1994 GS |
208 | /* |
209 | =for apidoc perl_construct | |
210 | ||
211 | Initializes a new Perl interpreter. See L<perlembed>. | |
212 | ||
213 | =cut | |
214 | */ | |
215 | ||
79072805 | 216 | void |
0cb96387 | 217 | perl_construct(pTHXx) |
79072805 | 218 | { |
27da23d5 | 219 | dVAR; |
7918f24d NC |
220 | |
221 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
222 | ||
8990e307 | 223 | #ifdef MULTIPLICITY |
54aff467 | 224 | init_interp(); |
ac27b0f5 | 225 | PL_perl_destruct_level = 1; |
54aff467 | 226 | #else |
7918f24d | 227 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
228 | if (PL_perl_destruct_level > 0) |
229 | init_interp(); | |
230 | #endif | |
34caed6d DM |
231 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
232 | ||
75d476e2 S |
233 | #ifdef PERL_TRACE_OPS |
234 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
235 | #endif | |
236 | ||
0d96b528 | 237 | init_constants(); |
34caed6d DM |
238 | |
239 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 240 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
241 | |
242 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 243 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 244 | PL_pidstatus = newHV(); |
ca0c25f6 | 245 | #endif |
79072805 | 246 | |
396482e1 | 247 | PL_rs = newSVpvs("\n"); |
dc92893f | 248 | |
cea2e8a9 | 249 | init_stacks(); |
79072805 | 250 | |
748a9306 | 251 | init_ids(); |
a5f75d66 | 252 | |
312caa8e | 253 | JMPENV_BOOTSTRAP; |
f86702cc | 254 | STATUS_ALL_SUCCESS; |
255 | ||
0672f40e | 256 | init_i18nl10n(1); |
36477c24 | 257 | SET_NUMERIC_STANDARD(); |
0b5b802d | 258 | |
ab821d7f | 259 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 260 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 261 | #endif |
262 | ||
52853b95 GS |
263 | #ifdef HAVE_INTERP_INTERN |
264 | sys_intern_init(); | |
265 | #endif | |
266 | ||
3a1ee7e8 | 267 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 268 | |
3280af22 NIS |
269 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
270 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 271 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
272 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
273 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
274 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 275 | #ifdef USE_ITHREADS |
402d2eb1 NC |
276 | /* First entry is a list of empty elements. It needs to be initialised |
277 | else all hell breaks loose in S_find_uninit_var(). */ | |
278 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 279 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 280 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 281 | #endif |
e5dd39fc | 282 | #ifdef USE_REENTRANT_API |
59bd0823 | 283 | Perl_reentrant_init(aTHX); |
e5dd39fc | 284 | #endif |
7dc86639 YO |
285 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
286 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
287 | * This MUST be done before any hash stores or fetches take place. | |
288 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
289 | * yourself, it is your responsibility to provide a good random seed! | |
290 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
291 | * | |
292 | * XXX: fix this comment */ | |
293 | if (PL_hash_seed_set == FALSE) { | |
294 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
295 | PL_hash_seed_set= TRUE; | |
296 | } | |
297 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
298 | |
299 | /* Note that strtab is a rather special HV. Assumptions are made | |
300 | about not iterating on it, and not adding tie magic to it. | |
301 | It is properly deallocated in perl_destruct() */ | |
302 | PL_strtab = newHV(); | |
303 | ||
3d47000e AB |
304 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
305 | hv_ksplit(PL_strtab, 512); | |
306 | ||
a38ab475 RZ |
307 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
308 | ||
0631ea03 AB |
309 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
310 | _dyld_lookup_and_bind | |
311 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
312 | #endif /* environ */ | |
313 | ||
2f42fcb0 JH |
314 | #ifndef PERL_MICRO |
315 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 316 | PL_origenviron = environ; |
2f42fcb0 | 317 | # endif |
0631ea03 AB |
318 | #endif |
319 | ||
5311654c | 320 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 321 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
322 | * The HZ if not originally defined has been by now |
323 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 324 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
325 | PL_clocktick = sysconf(_SC_CLK_TCK); |
326 | if (PL_clocktick <= 0) | |
327 | #endif | |
328 | PL_clocktick = HZ; | |
329 | ||
081fc587 AB |
330 | PL_stashcache = newHV(); |
331 | ||
e8e3635e | 332 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 333 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 334 | |
27da23d5 JH |
335 | #ifdef HAS_MMAP |
336 | if (!PL_mmap_page_size) { | |
337 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
338 | { | |
339 | SETERRNO(0, SS_NORMAL); | |
340 | # ifdef _SC_PAGESIZE | |
341 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
342 | # else | |
343 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
344 | # endif | |
345 | if ((long) PL_mmap_page_size < 0) { | |
346 | if (errno) { | |
44f8325f | 347 | SV * const error = ERRSV; |
d4c19fe8 | 348 | SvUPGRADE(error, SVt_PV); |
0510663f | 349 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
350 | } |
351 | else | |
352 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
353 | } | |
354 | } | |
355 | #else | |
356 | # ifdef HAS_GETPAGESIZE | |
357 | PL_mmap_page_size = getpagesize(); | |
358 | # else | |
359 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
360 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
361 | # endif | |
362 | # endif | |
363 | #endif | |
364 | if (PL_mmap_page_size <= 0) | |
365 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
366 | (IV) PL_mmap_page_size); | |
367 | } | |
368 | #endif /* HAS_MMAP */ | |
369 | ||
370 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
371 | PL_timesbase.tms_utime = 0; | |
372 | PL_timesbase.tms_stime = 0; | |
373 | PL_timesbase.tms_cutime = 0; | |
374 | PL_timesbase.tms_cstime = 0; | |
375 | #endif | |
376 | ||
7d113631 NC |
377 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
378 | ||
a3e6e81e | 379 | PL_registered_mros = newHV(); |
9e169432 NC |
380 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
381 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 382 | |
8990e307 | 383 | ENTER; |
79072805 LW |
384 | } |
385 | ||
954c1994 | 386 | /* |
62375a60 NIS |
387 | =for apidoc nothreadhook |
388 | ||
389 | Stub that provides thread hook for perl_destruct when there are | |
390 | no threads. | |
391 | ||
392 | =cut | |
393 | */ | |
394 | ||
395 | int | |
4e9e3734 | 396 | Perl_nothreadhook(pTHX) |
62375a60 | 397 | { |
96a5add6 | 398 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
399 | return 0; |
400 | } | |
401 | ||
41e4abd8 NC |
402 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
403 | void | |
404 | Perl_dump_sv_child(pTHX_ SV *sv) | |
405 | { | |
406 | ssize_t got; | |
bf357333 NC |
407 | const int sock = PL_dumper_fd; |
408 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
409 | union control_un control; |
410 | struct msghdr msg; | |
808ad2d0 | 411 | struct iovec vec[2]; |
bf357333 | 412 | struct cmsghdr *cmptr; |
808ad2d0 NC |
413 | int returned_errno; |
414 | unsigned char buffer[256]; | |
41e4abd8 | 415 | |
7918f24d NC |
416 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
417 | ||
bf357333 | 418 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
419 | return; |
420 | ||
421 | PerlIO_flush(Perl_debug_log); | |
422 | ||
bf357333 NC |
423 | /* All these shenanigans are to pass a file descriptor over to our child for |
424 | it to dump out to. We can't let it hold open the file descriptor when it | |
425 | forks, as the file descriptor it will dump to can turn out to be one end | |
426 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 427 | be open, the wait would be forever.) */ |
bf357333 NC |
428 | |
429 | msg.msg_control = control.control; | |
430 | msg.msg_controllen = sizeof(control.control); | |
431 | /* We're a connected socket so we don't need a destination */ | |
432 | msg.msg_name = NULL; | |
433 | msg.msg_namelen = 0; | |
434 | msg.msg_iov = vec; | |
808ad2d0 | 435 | msg.msg_iovlen = 1; |
bf357333 NC |
436 | |
437 | cmptr = CMSG_FIRSTHDR(&msg); | |
438 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
439 | cmptr->cmsg_level = SOL_SOCKET; | |
440 | cmptr->cmsg_type = SCM_RIGHTS; | |
441 | *((int *)CMSG_DATA(cmptr)) = 1; | |
442 | ||
443 | vec[0].iov_base = (void*)&sv; | |
444 | vec[0].iov_len = sizeof(sv); | |
445 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
446 | |
447 | if(got < 0) { | |
bf357333 | 448 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
449 | abort(); |
450 | } | |
bf357333 NC |
451 | if(got < sizeof(sv)) { |
452 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
453 | abort(); |
454 | } | |
455 | ||
808ad2d0 NC |
456 | /* Return protocol is |
457 | int: errno value | |
458 | unsigned char: length of location string (0 for empty) | |
459 | unsigned char*: string (not terminated) | |
460 | */ | |
461 | vec[0].iov_base = (void*)&returned_errno; | |
462 | vec[0].iov_len = sizeof(returned_errno); | |
463 | vec[1].iov_base = buffer; | |
464 | vec[1].iov_len = 1; | |
465 | ||
466 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
467 | |
468 | if(got < 0) { | |
469 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 470 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
471 | abort(); |
472 | } | |
808ad2d0 | 473 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 474 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 475 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
476 | abort(); |
477 | } | |
478 | ||
808ad2d0 NC |
479 | if (*buffer) { |
480 | got = read(sock, buffer + 1, *buffer); | |
481 | if(got < 0) { | |
482 | perror("Debug leaking scalars parent read 2 failed"); | |
483 | PerlIO_flush(PerlIO_stderr()); | |
484 | abort(); | |
485 | } | |
486 | ||
487 | if(got < *buffer) { | |
488 | perror("Debug leaking scalars parent short read 2"); | |
489 | PerlIO_flush(PerlIO_stderr()); | |
490 | abort(); | |
491 | } | |
492 | } | |
493 | ||
494 | if (returned_errno || *buffer) { | |
495 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
496 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 497 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
498 | } |
499 | } | |
500 | #endif | |
501 | ||
62375a60 | 502 | /* |
954c1994 GS |
503 | =for apidoc perl_destruct |
504 | ||
505 | Shuts down a Perl interpreter. See L<perlembed>. | |
506 | ||
507 | =cut | |
508 | */ | |
509 | ||
31d77e54 | 510 | int |
0cb96387 | 511 | perl_destruct(pTHXx) |
79072805 | 512 | { |
27da23d5 | 513 | dVAR; |
be2ea8ed | 514 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 515 | HV *hv; |
2aa47728 | 516 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
517 | pid_t child; |
518 | #endif | |
9c0b6888 | 519 | int i; |
8990e307 | 520 | |
7918f24d NC |
521 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
522 | #ifndef MULTIPLICITY | |
ed6c66dd | 523 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 524 | #endif |
9d4ba2ae | 525 | |
3d22c4f0 GG |
526 | assert(PL_scopestack_ix == 1); |
527 | ||
7766f137 GS |
528 | /* wait for all pseudo-forked children to finish */ |
529 | PERL_WAIT_FOR_CHILDREN; | |
530 | ||
3280af22 | 531 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 532 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 533 | { |
9d4ba2ae AL |
534 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
535 | if (s) { | |
f5199772 | 536 | const int i = atoi(s); |
36e77d41 DD |
537 | #ifdef DEBUGGING |
538 | if (destruct_level < i) destruct_level = i; | |
539 | #endif | |
540 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
541 | /* RT #114496, for perl_free */ |
542 | PL_perl_destruct_level = i; | |
36e77d41 | 543 | #endif |
5f05dabc | 544 | } |
4633a7c4 LW |
545 | } |
546 | #endif | |
547 | ||
27da23d5 | 548 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
549 | dJMPENV; |
550 | int x = 0; | |
551 | ||
552 | JMPENV_PUSH(x); | |
1b6737cc | 553 | PERL_UNUSED_VAR(x); |
9ebf26ad | 554 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 555 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 556 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 557 | } |
f3faeb53 | 558 | JMPENV_POP; |
26f423df | 559 | } |
f3faeb53 | 560 | LEAVE; |
a0d0e21e | 561 | FREETMPS; |
3d22c4f0 | 562 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 563 | |
e00b64d4 | 564 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 565 | my_fflush_all(); |
e00b64d4 | 566 | |
75d476e2 S |
567 | #ifdef PERL_TRACE_OPS |
568 | /* If we traced all Perl OP usage, report and clean up */ | |
569 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); | |
570 | for (i = 0; i <= OP_max; ++i) { | |
571 | PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); | |
572 | PL_op_exec_cnt[i] = 0; | |
573 | } | |
574 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
575 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
576 | PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); | |
577 | PerlIO_printf(Perl_debug_log, "\n"); | |
578 | #endif | |
579 | ||
580 | ||
16c91539 | 581 | if (PL_threadhook(aTHX)) { |
62375a60 | 582 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 583 | PL_veto_cleanup = TRUE; |
37038d91 | 584 | return STATUS_EXIT; |
62375a60 NIS |
585 | } |
586 | ||
2aa47728 NC |
587 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
588 | if (destruct_level != 0) { | |
589 | /* Fork here to create a child. Our child's job is to preserve the | |
590 | state of scalars prior to destruction, so that we can instruct it | |
591 | to dump any scalars that we later find have leaked. | |
592 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
593 | fail gracefully */ | |
594 | int fd[2]; | |
595 | ||
596 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
597 | perror("Debug leaking scalars socketpair failed"); | |
598 | abort(); | |
599 | } | |
600 | ||
601 | child = fork(); | |
602 | if(child == -1) { | |
603 | perror("Debug leaking scalars fork failed"); | |
604 | abort(); | |
605 | } | |
606 | if (!child) { | |
607 | /* We are the child */ | |
3125a5a4 NC |
608 | const int sock = fd[1]; |
609 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
610 | int f; | |
808ad2d0 NC |
611 | const char *where; |
612 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 613 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 614 | |
2aa47728 | 615 | close(fd[0]); |
2aa47728 | 616 | |
3125a5a4 NC |
617 | /* We need to close all other file descriptors otherwise we end up |
618 | with interesting hangs, where the parent closes its end of a | |
619 | pipe, and sits waiting for (another) child to terminate. Only | |
620 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
621 | we also have the far end of the pipe open. We even need to |
622 | close the debugging fd, because sometimes it happens to be one | |
623 | end of a pipe, and a process is waiting on the other end for | |
624 | EOF. Normally it would be closed at some point earlier in | |
625 | destruction, but if we happen to cause the pipe to remain open, | |
626 | EOF never occurs, and we get an infinite hang. Hence all the | |
627 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
628 | |
629 | f = sysconf(_SC_OPEN_MAX); | |
630 | if(f < 0) { | |
808ad2d0 NC |
631 | where = "sysconf failed"; |
632 | goto abort; | |
3125a5a4 NC |
633 | } |
634 | while (f--) { | |
635 | if (f == sock) | |
636 | continue; | |
3125a5a4 NC |
637 | close(f); |
638 | } | |
639 | ||
2aa47728 NC |
640 | while (1) { |
641 | SV *target; | |
bf357333 NC |
642 | union control_un control; |
643 | struct msghdr msg; | |
644 | struct iovec vec[1]; | |
645 | struct cmsghdr *cmptr; | |
646 | ssize_t got; | |
647 | int got_fd; | |
648 | ||
649 | msg.msg_control = control.control; | |
650 | msg.msg_controllen = sizeof(control.control); | |
651 | /* We're a connected socket so we don't need a source */ | |
652 | msg.msg_name = NULL; | |
653 | msg.msg_namelen = 0; | |
654 | msg.msg_iov = vec; | |
655 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
656 | ||
657 | vec[0].iov_base = (void*)⌖ | |
658 | vec[0].iov_len = sizeof(target); | |
659 | ||
660 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
661 | |
662 | if(got == 0) | |
663 | break; | |
664 | if(got < 0) { | |
808ad2d0 NC |
665 | where = "recv failed"; |
666 | goto abort; | |
2aa47728 NC |
667 | } |
668 | if(got < sizeof(target)) { | |
808ad2d0 NC |
669 | where = "short recv"; |
670 | goto abort; | |
2aa47728 | 671 | } |
bf357333 | 672 | |
808ad2d0 NC |
673 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
674 | where = "no cmsg"; | |
675 | goto abort; | |
676 | } | |
677 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
678 | where = "wrong cmsg_len"; | |
679 | goto abort; | |
680 | } | |
681 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
682 | where = "wrong cmsg_level"; | |
683 | goto abort; | |
684 | } | |
685 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
686 | where = "wrong cmsg_type"; | |
687 | goto abort; | |
688 | } | |
bf357333 NC |
689 | |
690 | got_fd = *(int*)CMSG_DATA(cmptr); | |
691 | /* For our last little bit of trickery, put the file descriptor | |
692 | back into Perl_debug_log, as if we never actually closed it | |
693 | */ | |
808ad2d0 NC |
694 | if(got_fd != debug_fd) { |
695 | if (dup2(got_fd, debug_fd) == -1) { | |
696 | where = "dup2"; | |
697 | goto abort; | |
698 | } | |
699 | } | |
2aa47728 | 700 | sv_dump(target); |
bf357333 | 701 | |
2aa47728 NC |
702 | PerlIO_flush(Perl_debug_log); |
703 | ||
808ad2d0 | 704 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
705 | |
706 | if(got < 0) { | |
808ad2d0 NC |
707 | where = "write failed"; |
708 | goto abort; | |
2aa47728 | 709 | } |
808ad2d0 NC |
710 | if(got < sizeof(success)) { |
711 | where = "short write"; | |
712 | goto abort; | |
2aa47728 NC |
713 | } |
714 | } | |
715 | _exit(0); | |
808ad2d0 NC |
716 | abort: |
717 | { | |
718 | int send_errno = errno; | |
719 | unsigned char length = (unsigned char) strlen(where); | |
720 | struct iovec failure[3] = { | |
721 | {(void*)&send_errno, sizeof(send_errno)}, | |
722 | {&length, 1}, | |
723 | {(void*)where, length} | |
724 | }; | |
725 | int got = writev(sock, failure, 3); | |
726 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
727 | in the parent if we try to read from the socketpair after the | |
728 | child has exited, even if there was data to read. | |
729 | So sleep a bit to give the parent a fighting chance of | |
730 | reading the data. */ | |
731 | sleep(2); | |
732 | _exit((got == -1) ? errno : 0); | |
733 | } | |
bf357333 | 734 | /* End of child. */ |
2aa47728 | 735 | } |
41e4abd8 | 736 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
737 | close(fd[1]); |
738 | } | |
739 | #endif | |
740 | ||
ff0cee69 | 741 | /* We must account for everything. */ |
742 | ||
743 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
744 | /* Set PL_curcop now, because destroying ops can cause new SVs |
745 | to be generated in Perl_pad_swipe, and when running with | |
746 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
747 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 748 | PL_curcop = &PL_compiling; |
3280af22 | 749 | if (PL_main_root) { |
4e380990 DM |
750 | /* ensure comppad/curpad to refer to main's pad */ |
751 | if (CvPADLIST(PL_main_cv)) { | |
752 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 753 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 754 | } |
3280af22 | 755 | op_free(PL_main_root); |
5f66b61c | 756 | PL_main_root = NULL; |
a0d0e21e | 757 | } |
5f66b61c | 758 | PL_main_start = NULL; |
aac9d523 DM |
759 | /* note that PL_main_cv isn't usually actually freed at this point, |
760 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
761 | * get freed once all the subs are freed in sv_clean_all(), for | |
762 | * destruct_level > 0 */ | |
3280af22 | 763 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 764 | PL_main_cv = NULL; |
ca7b837b | 765 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 766 | |
13621cfb NIS |
767 | /* Tell PerlIO we are about to tear things apart in case |
768 | we have layers which are using resources that should | |
769 | be cleaned up now. | |
770 | */ | |
771 | ||
772 | PerlIO_destruct(aTHX); | |
773 | ||
ddf23d4a S |
774 | /* |
775 | * Try to destruct global references. We do this first so that the | |
776 | * destructors and destructees still exist. Some sv's might remain. | |
777 | * Non-referenced objects are on their own. | |
778 | */ | |
779 | sv_clean_objs(); | |
8990e307 | 780 | |
5cd24f17 | 781 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 782 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 783 | PL_warnhook = NULL; |
3280af22 | 784 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 785 | PL_diehook = NULL; |
5cd24f17 | 786 | |
4b556e6c | 787 | /* call exit list functions */ |
3280af22 | 788 | while (PL_exitlistlen-- > 0) |
acfe0abc | 789 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 790 | |
3280af22 | 791 | Safefree(PL_exitlist); |
4b556e6c | 792 | |
1c4916e5 CB |
793 | PL_exitlist = NULL; |
794 | PL_exitlistlen = 0; | |
795 | ||
a3e6e81e NC |
796 | SvREFCNT_dec(PL_registered_mros); |
797 | ||
551a8b83 | 798 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
799 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
800 | * so we certainly shouldn't free it here | |
801 | */ | |
2f42fcb0 | 802 | #ifndef PERL_MICRO |
4b647fb0 | 803 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 804 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
805 | #ifdef USE_ITHREADS |
806 | /* only main thread can free environ[0] contents */ | |
807 | && PL_curinterp == aTHX | |
808 | #endif | |
809 | ) | |
810 | { | |
551a8b83 JH |
811 | I32 i; |
812 | ||
813 | for (i = 0; environ[i]; i++) | |
4b420006 | 814 | safesysfree(environ[i]); |
0631ea03 | 815 | |
4b420006 JH |
816 | /* Must use safesysfree() when working with environ. */ |
817 | safesysfree(environ); | |
551a8b83 JH |
818 | |
819 | environ = PL_origenviron; | |
820 | } | |
821 | #endif | |
2f42fcb0 | 822 | #endif /* !PERL_MICRO */ |
551a8b83 | 823 | |
30985c42 JH |
824 | if (destruct_level == 0) { |
825 | ||
826 | DEBUG_P(debprofdump()); | |
827 | ||
828 | #if defined(PERLIO_LAYERS) | |
829 | /* No more IO - including error messages ! */ | |
830 | PerlIO_cleanup(aTHX); | |
831 | #endif | |
832 | ||
833 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
834 | |
835 | /* The exit() function will do everything that needs doing. */ | |
836 | return STATUS_EXIT; | |
837 | } | |
838 | ||
9fa9f06b KW |
839 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
840 | ||
5f8cb046 DM |
841 | #ifdef USE_ITHREADS |
842 | /* the syntax tree is shared between clones | |
843 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
844 | * REGEXPs in the parent interpreter | |
845 | * we need to manually ReREFCNT_dec for the clones | |
846 | */ | |
0547a729 DM |
847 | { |
848 | I32 i = AvFILLp(PL_regex_padav); | |
849 | SV **ary = AvARRAY(PL_regex_padav); | |
850 | ||
851 | for (; i; i--) { | |
852 | SvREFCNT_dec(ary[i]); | |
853 | ary[i] = &PL_sv_undef; | |
854 | } | |
855 | } | |
5f8cb046 DM |
856 | #endif |
857 | ||
0547a729 | 858 | |
ad64d0ec | 859 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
860 | PL_stashcache = NULL; |
861 | ||
5f05dabc | 862 | /* loosen bonds of global variables */ |
863 | ||
2f9285f8 DM |
864 | /* XXX can PL_parser still be non-null here? */ |
865 | if(PL_parser && PL_parser->rsfp) { | |
866 | (void)PerlIO_close(PL_parser->rsfp); | |
867 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 868 | } |
869 | ||
84386e14 RGS |
870 | if (PL_minus_F) { |
871 | Safefree(PL_splitstr); | |
872 | PL_splitstr = NULL; | |
873 | } | |
874 | ||
8ebc5c01 | 875 | /* switches */ |
3280af22 NIS |
876 | PL_minus_n = FALSE; |
877 | PL_minus_p = FALSE; | |
878 | PL_minus_l = FALSE; | |
879 | PL_minus_a = FALSE; | |
880 | PL_minus_F = FALSE; | |
881 | PL_doswitches = FALSE; | |
599cee73 | 882 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 883 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 884 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 885 | #endif |
3280af22 NIS |
886 | PL_unsafe = FALSE; |
887 | ||
888 | Safefree(PL_inplace); | |
bd61b366 | 889 | PL_inplace = NULL; |
a7cb1f99 | 890 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 891 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
892 | |
893 | if (PL_e_script) { | |
894 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 895 | PL_e_script = NULL; |
8ebc5c01 | 896 | } |
897 | ||
bf9cdc68 RG |
898 | PL_perldb = 0; |
899 | ||
8ebc5c01 | 900 | /* magical thingies */ |
901 | ||
e23d9e2f CS |
902 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
903 | PL_ofsgv = NULL; | |
5f05dabc | 904 | |
7889fe52 | 905 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 906 | PL_ors_sv = NULL; |
8ebc5c01 | 907 | |
3280af22 | 908 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 909 | PL_rs = NULL; |
dc92893f | 910 | |
d33b2eba | 911 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 912 | PL_osname = NULL; |
5f05dabc | 913 | |
3280af22 | 914 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
915 | PL_statname = NULL; |
916 | PL_statgv = NULL; | |
5f05dabc | 917 | |
8ebc5c01 | 918 | /* defgv, aka *_ should be taken care of elsewhere */ |
919 | ||
7d5ea4e7 GS |
920 | /* float buffer */ |
921 | Safefree(PL_efloatbuf); | |
bd61b366 | 922 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
923 | PL_efloatsize = 0; |
924 | ||
8ebc5c01 | 925 | /* startup and shutdown function lists */ |
3280af22 | 926 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 927 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 928 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 929 | SvREFCNT_dec(PL_checkav); |
ece599bd | 930 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
931 | SvREFCNT_dec(PL_unitcheckav); |
932 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 933 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
934 | PL_beginav = NULL; |
935 | PL_beginav_save = NULL; | |
936 | PL_endav = NULL; | |
937 | PL_checkav = NULL; | |
938 | PL_checkav_save = NULL; | |
3c10abe3 AG |
939 | PL_unitcheckav = NULL; |
940 | PL_unitcheckav_save = NULL; | |
7d49f689 | 941 | PL_initav = NULL; |
5618dfe8 | 942 | |
8ebc5c01 | 943 | /* shortcuts just get cleared */ |
a0714e2c SS |
944 | PL_hintgv = NULL; |
945 | PL_errgv = NULL; | |
a0714e2c SS |
946 | PL_argvoutgv = NULL; |
947 | PL_stdingv = NULL; | |
948 | PL_stderrgv = NULL; | |
949 | PL_last_in_gv = NULL; | |
a0714e2c SS |
950 | PL_DBsingle = NULL; |
951 | PL_DBtrace = NULL; | |
952 | PL_DBsignal = NULL; | |
601f1833 | 953 | PL_DBcv = NULL; |
7d49f689 | 954 | PL_dbargs = NULL; |
5c284bb0 | 955 | PL_debstash = NULL; |
8ebc5c01 | 956 | |
cf93a474 | 957 | SvREFCNT_dec(PL_envgv); |
f03015cd | 958 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 959 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 960 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
961 | SvREFCNT_dec(PL_DBgv); |
962 | SvREFCNT_dec(PL_DBline); | |
963 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 964 | PL_envgv = NULL; |
f03015cd | 965 | PL_incgv = NULL; |
722fa0e9 | 966 | PL_argvgv = NULL; |
475b1e90 | 967 | PL_replgv = NULL; |
8cece913 FC |
968 | PL_DBgv = NULL; |
969 | PL_DBline = NULL; | |
970 | PL_DBsub = NULL; | |
971 | ||
7a1c5554 | 972 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 973 | PL_argvout_stack = NULL; |
8ebc5c01 | 974 | |
5c831c24 | 975 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 976 | PL_modglobal = NULL; |
5c831c24 | 977 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 978 | PL_preambleav = NULL; |
5c831c24 | 979 | SvREFCNT_dec(PL_subname); |
a0714e2c | 980 | PL_subname = NULL; |
ca0c25f6 | 981 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 982 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 983 | PL_pidstatus = NULL; |
ca0c25f6 | 984 | #endif |
5c831c24 | 985 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 986 | PL_toptarget = NULL; |
5c831c24 | 987 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
988 | PL_bodytarget = NULL; |
989 | PL_formtarget = NULL; | |
5c831c24 | 990 | |
d33b2eba | 991 | /* free locale stuff */ |
b9582b6a | 992 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 993 | Safefree(PL_collation_name); |
bd61b366 | 994 | PL_collation_name = NULL; |
b9582b6a | 995 | #endif |
d33b2eba | 996 | |
b9582b6a | 997 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 998 | Safefree(PL_numeric_name); |
bd61b366 | 999 | PL_numeric_name = NULL; |
a453c169 | 1000 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1001 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1002 | #endif |
d33b2eba | 1003 | |
9c0b6888 KW |
1004 | /* clear character classes */ |
1005 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1006 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1007 | PL_utf8_swash_ptrs[i] = NULL; | |
1008 | } | |
5c831c24 GS |
1009 | SvREFCNT_dec(PL_utf8_mark); |
1010 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1011 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1012 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1013 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1014 | SvREFCNT_dec(PL_utf8_idstart); |
1015 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 1016 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b KW |
1017 | SvREFCNT_dec(PL_AboveLatin1); |
1018 | SvREFCNT_dec(PL_UpperLatin1); | |
1019 | SvREFCNT_dec(PL_Latin1); | |
1020 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1021 | SvREFCNT_dec(PL_HasMultiCharFold); | |
a0714e2c SS |
1022 | PL_utf8_mark = NULL; |
1023 | PL_utf8_toupper = NULL; | |
1024 | PL_utf8_totitle = NULL; | |
1025 | PL_utf8_tolower = NULL; | |
1026 | PL_utf8_tofold = NULL; | |
1027 | PL_utf8_idstart = NULL; | |
1028 | PL_utf8_idcont = NULL; | |
2726813d | 1029 | PL_utf8_foldclosures = NULL; |
9fa9f06b KW |
1030 | PL_AboveLatin1 = NULL; |
1031 | PL_HasMultiCharFold = NULL; | |
1032 | PL_Latin1 = NULL; | |
1033 | PL_NonL1NonFinalFold = NULL; | |
1034 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1035 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
30f9bdb0 KW |
1036 | SvREFCNT_dec(PL_Posix_ptrs[i]); |
1037 | PL_Posix_ptrs[i] = NULL; | |
1038 | ||
86f72d56 KW |
1039 | SvREFCNT_dec(PL_L1Posix_ptrs[i]); |
1040 | PL_L1Posix_ptrs[i] = NULL; | |
cac6e0ca KW |
1041 | |
1042 | SvREFCNT_dec(PL_XPosix_ptrs[i]); | |
1043 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1044 | } |
5c831c24 | 1045 | |
971a9dd3 | 1046 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1047 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1048 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1049 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1050 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1051 | CopFILE_free(&PL_compiling); |
5c831c24 | 1052 | |
a0d0e21e | 1053 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1054 | |
3280af22 | 1055 | hv = PL_defstash; |
ca556bcd DM |
1056 | /* break ref loop *:: <=> %:: */ |
1057 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1058 | PL_defstash = 0; |
a0d0e21e | 1059 | SvREFCNT_dec(hv); |
5c831c24 | 1060 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1061 | PL_curstname = NULL; |
a0d0e21e | 1062 | |
5a844595 GS |
1063 | /* clear queued errors */ |
1064 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1065 | PL_errors = NULL; |
5a844595 | 1066 | |
dd69841b BB |
1067 | SvREFCNT_dec(PL_isarev); |
1068 | ||
a0d0e21e | 1069 | FREETMPS; |
9b387841 | 1070 | if (destruct_level >= 2) { |
3280af22 | 1071 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1072 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1073 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1074 | (long)PL_scopestack_ix); | |
3280af22 | 1075 | if (PL_savestack_ix != 0) |
9b387841 NC |
1076 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1077 | "Unbalanced saves: %ld more saves than restores\n", | |
1078 | (long)PL_savestack_ix); | |
3280af22 | 1079 | if (PL_tmps_floor != -1) |
9b387841 NC |
1080 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1081 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1082 | if (cxstack_ix != -1) |
9b387841 NC |
1083 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1084 | (long)cxstack_ix + 1); | |
a0d0e21e | 1085 | } |
8990e307 | 1086 | |
0547a729 DM |
1087 | #ifdef USE_ITHREADS |
1088 | SvREFCNT_dec(PL_regex_padav); | |
1089 | PL_regex_padav = NULL; | |
1090 | PL_regex_pad = NULL; | |
1091 | #endif | |
1092 | ||
776df701 | 1093 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1094 | /* the entries in this list are allocated via SV PVX's, so get freed |
1095 | * in sv_clean_all */ | |
1096 | Safefree(PL_my_cxt_list); | |
776df701 | 1097 | #endif |
57bb2458 | 1098 | |
8990e307 | 1099 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1100 | |
1101 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1102 | while (sv_clean_all() > 2) |
5226ed68 JH |
1103 | ; |
1104 | ||
23083432 FC |
1105 | #ifdef USE_ITHREADS |
1106 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1107 | #endif | |
1108 | ||
d4777f27 GS |
1109 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1110 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1111 | PL_fdpid = NULL; |
d33b2eba | 1112 | |
6c644e78 GS |
1113 | #ifdef HAVE_INTERP_INTERN |
1114 | sys_intern_clear(); | |
1115 | #endif | |
1116 | ||
a38ab475 RZ |
1117 | /* constant strings */ |
1118 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1119 | SvREFCNT_dec(PL_sv_consts[i]); | |
1120 | PL_sv_consts[i] = NULL; | |
1121 | } | |
1122 | ||
6e72f9df | 1123 | /* Destruct the global string table. */ |
1124 | { | |
1125 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1126 | * so that sv_free() won't fail on them. | |
80459961 NC |
1127 | * Now that the global string table is using a single hunk of memory |
1128 | * for both HE and HEK, we either need to explicitly unshare it the | |
1129 | * correct way, or actually free things here. | |
6e72f9df | 1130 | */ |
80459961 NC |
1131 | I32 riter = 0; |
1132 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1133 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1134 | HE *hent = array[0]; |
1135 | ||
6e72f9df | 1136 | for (;;) { |
0453d815 | 1137 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1138 | HE * const next = HeNEXT(hent); |
9014280d | 1139 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1140 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1141 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1142 | Safefree(hent); |
1143 | hent = next; | |
6e72f9df | 1144 | } |
1145 | if (!hent) { | |
1146 | if (++riter > max) | |
1147 | break; | |
1148 | hent = array[riter]; | |
1149 | } | |
1150 | } | |
80459961 NC |
1151 | |
1152 | Safefree(array); | |
1153 | HvARRAY(PL_strtab) = 0; | |
1154 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1155 | } |
3280af22 | 1156 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1157 | |
e652bb2f | 1158 | #ifdef USE_ITHREADS |
c21d1a0f | 1159 | /* free the pointer tables used for cloning */ |
a0739874 | 1160 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1161 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1162 | #endif |
a0739874 | 1163 | |
d33b2eba GS |
1164 | /* free special SVs */ |
1165 | ||
1166 | SvREFCNT(&PL_sv_yes) = 0; | |
1167 | sv_clear(&PL_sv_yes); | |
1168 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1169 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1170 | |
1171 | SvREFCNT(&PL_sv_no) = 0; | |
1172 | sv_clear(&PL_sv_no); | |
1173 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1174 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1175 | |
9f375a43 DM |
1176 | { |
1177 | int i; | |
1178 | for (i=0; i<=2; i++) { | |
1179 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1180 | sv_clear(PERL_DEBUG_PAD(i)); | |
1181 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1182 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1183 | } | |
1184 | } | |
1185 | ||
0453d815 | 1186 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1187 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1188 | |
eba0f806 DM |
1189 | #ifdef DEBUG_LEAKING_SCALARS |
1190 | if (PL_sv_count != 0) { | |
1191 | SV* sva; | |
1192 | SV* sv; | |
eb578fdb | 1193 | SV* svend; |
eba0f806 | 1194 | |
ad64d0ec | 1195 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1196 | svend = &sva[SvREFCNT(sva)]; |
1197 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1198 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1199 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1200 | " flags=0x%"UVxf |
fd0854ff | 1201 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1202 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1203 | "serial %"UVuf"\n", | |
574b8821 NC |
1204 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1205 | pTHX__VALUE, | |
fd0854ff DM |
1206 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1207 | sv->sv_debug_line, | |
1208 | sv->sv_debug_inpad ? "for" : "by", | |
1209 | sv->sv_debug_optype ? | |
1210 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1211 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1212 | sv->sv_debug_serial |
fd0854ff | 1213 | ); |
2aa47728 | 1214 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1215 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1216 | #endif |
eba0f806 DM |
1217 | } |
1218 | } | |
1219 | } | |
1220 | } | |
2aa47728 NC |
1221 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1222 | { | |
1223 | int status; | |
1224 | fd_set rset; | |
1225 | /* Wait for up to 4 seconds for child to terminate. | |
1226 | This seems to be the least effort way of timing out on reaping | |
1227 | its exit status. */ | |
1228 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1229 | int sock = PL_dumper_fd; |
2aa47728 NC |
1230 | |
1231 | shutdown(sock, 1); | |
1232 | FD_ZERO(&rset); | |
1233 | FD_SET(sock, &rset); | |
1234 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1235 | waitpid(child, &status, WNOHANG); | |
1236 | close(sock); | |
1237 | } | |
1238 | #endif | |
eba0f806 | 1239 | #endif |
77abb4c6 NC |
1240 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1241 | if (PL_sv_count) | |
1242 | abort(); | |
1243 | #endif | |
bf9cdc68 | 1244 | PL_sv_count = 0; |
eba0f806 | 1245 | |
56a2bab7 | 1246 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1247 | /* No more IO - including error messages ! */ |
1248 | PerlIO_cleanup(aTHX); | |
1249 | #endif | |
1250 | ||
9f4bd222 | 1251 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1252 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1253 | for no arg - and will try and SvREFCNT_dec it. |
1254 | */ | |
1255 | SvREFCNT(&PL_sv_undef) = 0; | |
1256 | SvREADONLY_off(&PL_sv_undef); | |
1257 | ||
3280af22 | 1258 | Safefree(PL_origfilename); |
bd61b366 | 1259 | PL_origfilename = NULL; |
43c5f42d | 1260 | Safefree(PL_reg_curpm); |
dd28f7bb | 1261 | free_tied_hv_pool(); |
3280af22 | 1262 | Safefree(PL_op_mask); |
cf36064f | 1263 | Safefree(PL_psig_name); |
bf9cdc68 | 1264 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1265 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1266 | { |
1267 | /* We need to NULL PL_psig_pend first, so that | |
1268 | signal handlers know not to use it */ | |
1269 | int *psig_save = PL_psig_pend; | |
1270 | PL_psig_pend = (int*)NULL; | |
1271 | Safefree(psig_save); | |
1272 | } | |
6e72f9df | 1273 | nuke_stacks(); |
284167a5 S |
1274 | TAINTING_set(FALSE); |
1275 | TAINT_WARN_set(FALSE); | |
3280af22 | 1276 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1277 | PL_debug = 0; |
ac27b0f5 | 1278 | |
a0d0e21e | 1279 | DEBUG_P(debprofdump()); |
d33b2eba | 1280 | |
e5dd39fc | 1281 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1282 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1283 | #endif |
1284 | ||
612f20c3 GS |
1285 | sv_free_arenas(); |
1286 | ||
5d9a96ca DM |
1287 | while (PL_regmatch_slab) { |
1288 | regmatch_slab *s = PL_regmatch_slab; | |
1289 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1290 | Safefree(s); | |
1291 | } | |
1292 | ||
fc36a67e | 1293 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1294 | ||
3280af22 | 1295 | if (PL_mess_sv) { |
f350b448 NC |
1296 | /* we know that type == SVt_PVMG */ |
1297 | ||
9c63abab | 1298 | /* it could have accumulated taint magic */ |
f350b448 NC |
1299 | MAGIC* mg; |
1300 | MAGIC* moremagic; | |
1301 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1302 | moremagic = mg->mg_moremagic; | |
1303 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1304 | && mg->mg_len >= 0) | |
1305 | Safefree(mg->mg_ptr); | |
1306 | Safefree(mg); | |
9c63abab | 1307 | } |
f350b448 | 1308 | |
fc36a67e | 1309 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1310 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1311 | Safefree(SvANY(PL_mess_sv)); |
1312 | Safefree(PL_mess_sv); | |
a0714e2c | 1313 | PL_mess_sv = NULL; |
fc36a67e | 1314 | } |
37038d91 | 1315 | return STATUS_EXIT; |
79072805 LW |
1316 | } |
1317 | ||
954c1994 GS |
1318 | /* |
1319 | =for apidoc perl_free | |
1320 | ||
1321 | Releases a Perl interpreter. See L<perlembed>. | |
1322 | ||
1323 | =cut | |
1324 | */ | |
1325 | ||
79072805 | 1326 | void |
0cb96387 | 1327 | perl_free(pTHXx) |
79072805 | 1328 | { |
5174512c NC |
1329 | dVAR; |
1330 | ||
7918f24d NC |
1331 | PERL_ARGS_ASSERT_PERL_FREE; |
1332 | ||
c301d606 DM |
1333 | if (PL_veto_cleanup) |
1334 | return; | |
1335 | ||
7cb608b5 | 1336 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1337 | { |
1338 | /* | |
1339 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1340 | * value as we're probably hunting memory leaks then | |
1341 | */ | |
36e77d41 | 1342 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1343 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1344 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1345 | thread at thread exit. */ | |
4fd0a9b8 NC |
1346 | if (DEBUG_m_TEST) { |
1347 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1348 | "free this thread's memory\n"); | |
1349 | PL_debug &= ~ DEBUG_m_FLAG; | |
1350 | } | |
55ef9aae MHM |
1351 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1352 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1353 | PL_debug = old_debug; |
55ef9aae MHM |
1354 | } |
1355 | } | |
7cb608b5 NC |
1356 | #endif |
1357 | ||
acfe0abc | 1358 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1359 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1360 | { |
acfe0abc | 1361 | # ifdef NETWARE |
7af12a34 | 1362 | void *host = nw_internal_host; |
7af12a34 | 1363 | PerlMem_free(aTHXx); |
7af12a34 | 1364 | nw_delete_internal_host(host); |
acfe0abc | 1365 | # else |
bdb50480 NC |
1366 | void *host = w32_internal_host; |
1367 | PerlMem_free(aTHXx); | |
7af12a34 | 1368 | win32_delete_internal_host(host); |
acfe0abc | 1369 | # endif |
7af12a34 | 1370 | } |
1c0ca838 GS |
1371 | # else |
1372 | PerlMem_free(aTHXx); | |
1373 | # endif | |
acfe0abc GS |
1374 | #else |
1375 | PerlMem_free(aTHXx); | |
76e3520e | 1376 | #endif |
79072805 LW |
1377 | } |
1378 | ||
b7f7fff6 | 1379 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1380 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1381 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1382 | ||
826955bd | 1383 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1384 | #pragma fini "perl_fini" |
666ad1ec GA |
1385 | #elif defined(__sun) && !defined(__GNUC__) |
1386 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1387 | #endif |
1388 | ||
0dbb1585 AL |
1389 | static void |
1390 | #if defined(__GNUC__) | |
1391 | __attribute__((destructor)) | |
aebd1ac7 | 1392 | #endif |
de009b76 | 1393 | perl_fini(void) |
aebd1ac7 | 1394 | { |
27da23d5 | 1395 | dVAR; |
5c64bffd NC |
1396 | if ( |
1397 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1398 | my_vars && | |
1399 | #endif | |
1400 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1401 | FREE_THREAD_KEY; |
1402 | } | |
1403 | ||
1404 | #endif /* WIN32 */ | |
1405 | #endif /* THREADS */ | |
1406 | ||
4b556e6c | 1407 | void |
864dbfa3 | 1408 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1409 | { |
97aff369 | 1410 | dVAR; |
3280af22 NIS |
1411 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1412 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1413 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1414 | ++PL_exitlistlen; | |
4b556e6c JD |
1415 | } |
1416 | ||
954c1994 GS |
1417 | /* |
1418 | =for apidoc perl_parse | |
1419 | ||
1420 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1421 | ||
1422 | =cut | |
1423 | */ | |
1424 | ||
03d9f026 FC |
1425 | #define SET_CURSTASH(newstash) \ |
1426 | if (PL_curstash != newstash) { \ | |
1427 | SvREFCNT_dec(PL_curstash); \ | |
1428 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1429 | } | |
1430 | ||
79072805 | 1431 | int |
0cb96387 | 1432 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1433 | { |
27da23d5 | 1434 | dVAR; |
6224f72b | 1435 | I32 oldscope; |
6224f72b | 1436 | int ret; |
db36c5a1 | 1437 | dJMPENV; |
8d063cd8 | 1438 | |
7918f24d NC |
1439 | PERL_ARGS_ASSERT_PERL_PARSE; |
1440 | #ifndef MULTIPLICITY | |
ed6c66dd | 1441 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1442 | #endif |
7dc86639 | 1443 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1444 | { |
7dc86639 YO |
1445 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1446 | ||
1447 | if (s && (atoi(s) == 1)) { | |
1448 | unsigned char *seed= PERL_HASH_SEED; | |
1449 | unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
1450 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); | |
1451 | while (seed < seed_end) { | |
1452 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1453 | } | |
6a5b4183 YO |
1454 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1455 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1456 | PL_HASH_RAND_BITS_ENABLED, | |
1457 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1458 | #endif | |
7dc86639 YO |
1459 | PerlIO_printf(Perl_debug_log, "\n"); |
1460 | } | |
b0891165 JH |
1461 | } |
1462 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3280af22 | 1463 | PL_origargc = argc; |
e2975953 | 1464 | PL_origargv = argv; |
a0d0e21e | 1465 | |
a2722ac9 GA |
1466 | if (PL_origalen != 0) { |
1467 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1468 | } | |
1469 | else { | |
3cb9023d JH |
1470 | /* Set PL_origalen be the sum of the contiguous argv[] |
1471 | * elements plus the size of the env in case that it is | |
e9137a8e | 1472 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1473 | * as the maximum modifiable length of $0. In the worst case |
1474 | * the area we are able to modify is limited to the size of | |
43c32782 | 1475 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1476 | * --jhi */ |
e1ec3a88 | 1477 | const char *s = NULL; |
54bfe034 | 1478 | int i; |
1b6737cc | 1479 | const UV mask = |
7d8e7db3 | 1480 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1481 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1482 | const UV aligned = |
43c32782 JH |
1483 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1484 | ||
1485 | /* See if all the arguments are contiguous in memory. Note | |
1486 | * that 'contiguous' is a loose term because some platforms | |
1487 | * align the argv[] and the envp[]. If the arguments look | |
1488 | * like non-aligned, assume that they are 'strictly' or | |
1489 | * 'traditionally' contiguous. If the arguments look like | |
1490 | * aligned, we just check that they are within aligned | |
1491 | * PTRSIZE bytes. As long as no system has something bizarre | |
1492 | * like the argv[] interleaved with some other data, we are | |
1493 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1494 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1495 | while (*s) s++; | |
1496 | for (i = 1; i < PL_origargc; i++) { | |
1497 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1498 | #ifdef OS2 |
c8941eeb | 1499 | || PL_origargv[i] == s + 2 |
43c32782 | 1500 | #endif |
c8941eeb JH |
1501 | ) |
1502 | || | |
1503 | (aligned && | |
1504 | (PL_origargv[i] > s && | |
1505 | PL_origargv[i] <= | |
1506 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1507 | ) | |
1508 | { | |
1509 | s = PL_origargv[i]; | |
1510 | while (*s) s++; | |
1511 | } | |
1512 | else | |
1513 | break; | |
54bfe034 | 1514 | } |
54bfe034 | 1515 | } |
a4a109c2 JD |
1516 | |
1517 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1518 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1519 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1520 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1521 | || |
1522 | (aligned && | |
1523 | (PL_origenviron[0] > s && | |
1524 | PL_origenviron[0] <= | |
1525 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1526 | ) | |
1527 | { | |
9d419b5f | 1528 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1529 | s = PL_origenviron[0]; |
1530 | while (*s) s++; | |
1531 | #endif | |
bd61b366 | 1532 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1533 | /* Force copy of environment. */ |
1534 | for (i = 1; PL_origenviron[i]; i++) { | |
1535 | if (PL_origenviron[i] == s + 1 | |
1536 | || | |
1537 | (aligned && | |
1538 | (PL_origenviron[i] > s && | |
1539 | PL_origenviron[i] <= | |
1540 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1541 | ) | |
1542 | { | |
1543 | s = PL_origenviron[i]; | |
1544 | while (*s) s++; | |
1545 | } | |
1546 | else | |
1547 | break; | |
54bfe034 | 1548 | } |
43c32782 | 1549 | } |
54bfe034 | 1550 | } |
a4a109c2 JD |
1551 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1552 | ||
2d2af554 | 1553 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1554 | } |
1555 | ||
3280af22 | 1556 | if (PL_do_undump) { |
a0d0e21e LW |
1557 | |
1558 | /* Come here if running an undumped a.out. */ | |
1559 | ||
3280af22 NIS |
1560 | PL_origfilename = savepv(argv[0]); |
1561 | PL_do_undump = FALSE; | |
a0d0e21e | 1562 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1563 | init_ids(); |
284167a5 | 1564 | assert (!TAINT_get); |
b7975bdd | 1565 | TAINT; |
e2051532 | 1566 | set_caret_X(); |
b7975bdd | 1567 | TAINT_NOT; |
a0d0e21e LW |
1568 | init_postdump_symbols(argc,argv,env); |
1569 | return 0; | |
1570 | } | |
1571 | ||
3280af22 | 1572 | if (PL_main_root) { |
3280af22 | 1573 | op_free(PL_main_root); |
5f66b61c | 1574 | PL_main_root = NULL; |
ff0cee69 | 1575 | } |
5f66b61c | 1576 | PL_main_start = NULL; |
3280af22 | 1577 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1578 | PL_main_cv = NULL; |
79072805 | 1579 | |
3280af22 NIS |
1580 | time(&PL_basetime); |
1581 | oldscope = PL_scopestack_ix; | |
599cee73 | 1582 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1583 | |
14dd3ad8 | 1584 | JMPENV_PUSH(ret); |
6224f72b | 1585 | switch (ret) { |
312caa8e | 1586 | case 0: |
14dd3ad8 | 1587 | parse_body(env,xsinit); |
9ebf26ad | 1588 | if (PL_unitcheckav) { |
3c10abe3 | 1589 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1590 | } |
1591 | if (PL_checkav) { | |
ca7b837b | 1592 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1593 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1594 | } |
14dd3ad8 GS |
1595 | ret = 0; |
1596 | break; | |
6224f72b GS |
1597 | case 1: |
1598 | STATUS_ALL_FAILURE; | |
1599 | /* FALL THROUGH */ | |
1600 | case 2: | |
1601 | /* my_exit() was called */ | |
3280af22 | 1602 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1603 | LEAVE; |
1604 | FREETMPS; | |
03d9f026 | 1605 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1606 | if (PL_unitcheckav) { |
3c10abe3 | 1607 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1608 | } |
1609 | if (PL_checkav) { | |
ca7b837b | 1610 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1611 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1612 | } |
37038d91 | 1613 | ret = STATUS_EXIT; |
14dd3ad8 | 1614 | break; |
6224f72b | 1615 | case 3: |
bf49b057 | 1616 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1617 | ret = 1; |
1618 | break; | |
6224f72b | 1619 | } |
14dd3ad8 GS |
1620 | JMPENV_POP; |
1621 | return ret; | |
1622 | } | |
1623 | ||
4a5df386 NC |
1624 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1625 | miniperl, and we need to see those flags reflected in the values here. */ | |
1626 | ||
1627 | /* What this returns is subject to change. Use the public interface in Config. | |
1628 | */ | |
1629 | static void | |
1630 | S_Internals_V(pTHX_ CV *cv) | |
1631 | { | |
1632 | dXSARGS; | |
1633 | #ifdef LOCAL_PATCH_COUNT | |
1634 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1635 | #else | |
1636 | const int local_patch_count = 0; | |
1637 | #endif | |
2dc296d2 | 1638 | const int entries = 3 + local_patch_count; |
4a5df386 | 1639 | int i; |
fe1c5936 | 1640 | static const char non_bincompat_options[] = |
4a5df386 NC |
1641 | # ifdef DEBUGGING |
1642 | " DEBUGGING" | |
1643 | # endif | |
1644 | # ifdef NO_MATHOMS | |
0d311fbe | 1645 | " NO_MATHOMS" |
4a5df386 | 1646 | # endif |
59b86f4b DM |
1647 | # ifdef NO_HASH_SEED |
1648 | " NO_HASH_SEED" | |
1649 | # endif | |
3b0e4ee2 MB |
1650 | # ifdef NO_TAINT_SUPPORT |
1651 | " NO_TAINT_SUPPORT" | |
1652 | # endif | |
4a5df386 NC |
1653 | # ifdef PERL_DISABLE_PMC |
1654 | " PERL_DISABLE_PMC" | |
1655 | # endif | |
1656 | # ifdef PERL_DONT_CREATE_GVSV | |
1657 | " PERL_DONT_CREATE_GVSV" | |
1658 | # endif | |
9a044a43 NC |
1659 | # ifdef PERL_EXTERNAL_GLOB |
1660 | " PERL_EXTERNAL_GLOB" | |
1661 | # endif | |
59b86f4b DM |
1662 | # ifdef PERL_HASH_FUNC_SIPHASH |
1663 | " PERL_HASH_FUNC_SIPHASH" | |
1664 | # endif | |
1665 | # ifdef PERL_HASH_FUNC_SDBM | |
1666 | " PERL_HASH_FUNC_SDBM" | |
1667 | # endif | |
1668 | # ifdef PERL_HASH_FUNC_DJB2 | |
1669 | " PERL_HASH_FUNC_DJB2" | |
1670 | # endif | |
1671 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1672 | " PERL_HASH_FUNC_SUPERFAST" | |
1673 | # endif | |
1674 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1675 | " PERL_HASH_FUNC_MURMUR3" | |
1676 | # endif | |
1677 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1678 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1679 | # endif | |
1680 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1681 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1682 | # endif | |
1683 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1684 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1685 | # endif | |
4a5df386 NC |
1686 | # ifdef PERL_IS_MINIPERL |
1687 | " PERL_IS_MINIPERL" | |
1688 | # endif | |
1689 | # ifdef PERL_MALLOC_WRAP | |
1690 | " PERL_MALLOC_WRAP" | |
1691 | # endif | |
1692 | # ifdef PERL_MEM_LOG | |
1693 | " PERL_MEM_LOG" | |
1694 | # endif | |
1695 | # ifdef PERL_MEM_LOG_NOIMPL | |
1696 | " PERL_MEM_LOG_NOIMPL" | |
1697 | # endif | |
2542212d DM |
1698 | # ifdef PERL_NEW_COPY_ON_WRITE |
1699 | " PERL_NEW_COPY_ON_WRITE" | |
1700 | # endif | |
59b86f4b DM |
1701 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1702 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1703 | # endif | |
1704 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1705 | " PERL_PERTURB_KEYS_DISABLED" | |
1706 | # endif | |
1707 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1708 | " PERL_PERTURB_KEYS_RANDOM" | |
1709 | # endif | |
c3cf41ec NC |
1710 | # ifdef PERL_PRESERVE_IVUV |
1711 | " PERL_PRESERVE_IVUV" | |
1712 | # endif | |
c051e30b NC |
1713 | # ifdef PERL_RELOCATABLE_INCPUSH |
1714 | " PERL_RELOCATABLE_INCPUSH" | |
1715 | # endif | |
4a5df386 NC |
1716 | # ifdef PERL_USE_DEVEL |
1717 | " PERL_USE_DEVEL" | |
1718 | # endif | |
1719 | # ifdef PERL_USE_SAFE_PUTENV | |
1720 | " PERL_USE_SAFE_PUTENV" | |
1721 | # endif | |
a3749cf3 NC |
1722 | # ifdef UNLINK_ALL_VERSIONS |
1723 | " UNLINK_ALL_VERSIONS" | |
1724 | # endif | |
de618ee4 NC |
1725 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1726 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1727 | # endif | |
4a5df386 NC |
1728 | # ifdef USE_FAST_STDIO |
1729 | " USE_FAST_STDIO" | |
1730 | # endif | |
59b86f4b DM |
1731 | # ifdef USE_HASH_SEED_EXPLICIT |
1732 | " USE_HASH_SEED_EXPLICIT" | |
1733 | # endif | |
98548bdf NC |
1734 | # ifdef USE_LOCALE |
1735 | " USE_LOCALE" | |
1736 | # endif | |
98548bdf NC |
1737 | # ifdef USE_LOCALE_CTYPE |
1738 | " USE_LOCALE_CTYPE" | |
1739 | # endif | |
5a8d8935 NC |
1740 | # ifdef USE_PERL_ATOF |
1741 | " USE_PERL_ATOF" | |
1742 | # endif | |
0d311fbe NC |
1743 | # ifdef USE_SITECUSTOMIZE |
1744 | " USE_SITECUSTOMIZE" | |
1745 | # endif | |
4a5df386 NC |
1746 | ; |
1747 | PERL_UNUSED_ARG(cv); | |
1748 | PERL_UNUSED_ARG(items); | |
1749 | ||
1750 | EXTEND(SP, entries); | |
1751 | ||
1752 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1753 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1754 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1755 | ||
1756 | #ifdef __DATE__ | |
1757 | # ifdef __TIME__ | |
1758 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1759 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1760 | SVs_TEMP)); | |
1761 | # else | |
1762 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1763 | SVs_TEMP)); | |
1764 | # endif | |
1765 | #else | |
1766 | PUSHs(&PL_sv_undef); | |
1767 | #endif | |
1768 | ||
4a5df386 NC |
1769 | for (i = 1; i <= local_patch_count; i++) { |
1770 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1771 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1772 | } | |
1773 | ||
1774 | XSRETURN(entries); | |
1775 | } | |
1776 | ||
be71fc8f NC |
1777 | #define INCPUSH_UNSHIFT 0x01 |
1778 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1779 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1780 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1781 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1782 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1783 | #define INCPUSH_ADD_SUB_DIRS \ |
1784 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1785 | |
312caa8e | 1786 | STATIC void * |
14dd3ad8 | 1787 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1788 | { |
27da23d5 | 1789 | dVAR; |
2f9285f8 | 1790 | PerlIO *rsfp; |
312caa8e | 1791 | int argc = PL_origargc; |
8f42b153 | 1792 | char **argv = PL_origargv; |
e1ec3a88 | 1793 | const char *scriptname = NULL; |
312caa8e | 1794 | VOL bool dosearch = FALSE; |
eb578fdb | 1795 | char c; |
737c24fc | 1796 | bool doextract = FALSE; |
bd61b366 | 1797 | const char *cddir = NULL; |
ab019eaa | 1798 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1799 | bool minus_f = FALSE; |
ab019eaa | 1800 | #endif |
95670bde | 1801 | SV *linestr_sv = NULL; |
5486870f | 1802 | bool add_read_e_script = FALSE; |
87606032 | 1803 | U32 lex_start_flags = 0; |
009d90df | 1804 | |
ca7b837b | 1805 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1806 | |
6224f72b | 1807 | init_main_stash(); |
54310121 | 1808 | |
c7030b81 NC |
1809 | { |
1810 | const char *s; | |
6224f72b GS |
1811 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1812 | if (argv[0][0] != '-' || !argv[0][1]) | |
1813 | break; | |
6224f72b GS |
1814 | s = argv[0]+1; |
1815 | reswitch: | |
47f56822 | 1816 | switch ((c = *s)) { |
729a02f2 | 1817 | case 'C': |
1d5472a9 GS |
1818 | #ifndef PERL_STRICT_CR |
1819 | case '\r': | |
1820 | #endif | |
6224f72b GS |
1821 | case ' ': |
1822 | case '0': | |
1823 | case 'F': | |
1824 | case 'a': | |
1825 | case 'c': | |
1826 | case 'd': | |
1827 | case 'D': | |
1828 | case 'h': | |
1829 | case 'i': | |
1830 | case 'l': | |
1831 | case 'M': | |
1832 | case 'm': | |
1833 | case 'n': | |
1834 | case 'p': | |
1835 | case 's': | |
1836 | case 'u': | |
1837 | case 'U': | |
1838 | case 'v': | |
599cee73 PM |
1839 | case 'W': |
1840 | case 'X': | |
6224f72b | 1841 | case 'w': |
97bd5664 | 1842 | if ((s = moreswitches(s))) |
6224f72b GS |
1843 | goto reswitch; |
1844 | break; | |
33b78306 | 1845 | |
1dbad523 | 1846 | case 't': |
284167a5 S |
1847 | #if SILENT_NO_TAINT_SUPPORT |
1848 | /* silently ignore */ | |
1849 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1850 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1851 | "Cowardly refusing to run with -t or -T flags"); |
1852 | #else | |
22f7c9c9 | 1853 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1854 | if( !TAINTING_get ) { |
1855 | TAINT_WARN_set(TRUE); | |
1856 | TAINTING_set(TRUE); | |
317ea90d | 1857 | } |
284167a5 | 1858 | #endif |
317ea90d MS |
1859 | s++; |
1860 | goto reswitch; | |
6224f72b | 1861 | case 'T': |
284167a5 S |
1862 | #if SILENT_NO_TAINT_SUPPORT |
1863 | /* silently ignore */ | |
1864 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1865 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1866 | "Cowardly refusing to run with -t or -T flags"); |
1867 | #else | |
22f7c9c9 | 1868 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1869 | TAINTING_set(TRUE); |
1870 | TAINT_WARN_set(FALSE); | |
1871 | #endif | |
6224f72b GS |
1872 | s++; |
1873 | goto reswitch; | |
f86702cc | 1874 | |
bc9b29db RH |
1875 | case 'E': |
1876 | PL_minus_E = TRUE; | |
1877 | /* FALL THROUGH */ | |
6224f72b | 1878 | case 'e': |
f20b2998 | 1879 | forbid_setid('e', FALSE); |
3280af22 | 1880 | if (!PL_e_script) { |
396482e1 | 1881 | PL_e_script = newSVpvs(""); |
5486870f | 1882 | add_read_e_script = TRUE; |
6224f72b GS |
1883 | } |
1884 | if (*++s) | |
3280af22 | 1885 | sv_catpv(PL_e_script, s); |
6224f72b | 1886 | else if (argv[1]) { |
3280af22 | 1887 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1888 | argc--,argv++; |
1889 | } | |
1890 | else | |
47f56822 | 1891 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1892 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1893 | break; |
afe37c7d | 1894 | |
20ef40cf | 1895 | case 'f': |
f5542d3a | 1896 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1897 | minus_f = TRUE; |
f5542d3a | 1898 | #endif |
20ef40cf GA |
1899 | s++; |
1900 | goto reswitch; | |
1901 | ||
6224f72b | 1902 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1903 | forbid_setid('I', FALSE); |
bd61b366 | 1904 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1905 | argc--,argv++; |
1906 | } | |
6224f72b | 1907 | if (s && *s) { |
0df16ed7 | 1908 | STRLEN len = strlen(s); |
55b4bc1c | 1909 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1910 | } |
1911 | else | |
a67e862a | 1912 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1913 | break; |
6224f72b | 1914 | case 'S': |
f20b2998 | 1915 | forbid_setid('S', FALSE); |
6224f72b GS |
1916 | dosearch = TRUE; |
1917 | s++; | |
1918 | goto reswitch; | |
1919 | case 'V': | |
7edfd0ef NC |
1920 | { |
1921 | SV *opts_prog; | |
1922 | ||
7edfd0ef | 1923 | if (*++s != ':') { |
37ca4a5b | 1924 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1925 | } |
1926 | else { | |
1927 | ++s; | |
1928 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1929 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1930 | 0, s, 0); |
1931 | s += strlen(s); | |
1932 | } | |
37ca4a5b | 1933 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1934 | /* don't look for script or read stdin */ |
1935 | scriptname = BIT_BUCKET; | |
1936 | goto reswitch; | |
6224f72b | 1937 | } |
6224f72b | 1938 | case 'x': |
737c24fc | 1939 | doextract = TRUE; |
6224f72b | 1940 | s++; |
304334da | 1941 | if (*s) |
f4c556ac | 1942 | cddir = s; |
6224f72b GS |
1943 | break; |
1944 | case 0: | |
1945 | break; | |
1946 | case '-': | |
1947 | if (!*++s || isSPACE(*s)) { | |
1948 | argc--,argv++; | |
1949 | goto switch_end; | |
1950 | } | |
ee8bc8b7 NC |
1951 | /* catch use of gnu style long options. |
1952 | Both of these exit immediately. */ | |
1953 | if (strEQ(s, "version")) | |
1954 | minus_v(); | |
1955 | if (strEQ(s, "help")) | |
1956 | usage(); | |
6224f72b GS |
1957 | s--; |
1958 | /* FALL THROUGH */ | |
1959 | default: | |
cea2e8a9 | 1960 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1961 | } |
1962 | } | |
c7030b81 NC |
1963 | } |
1964 | ||
6224f72b | 1965 | switch_end: |
54310121 | 1966 | |
c7030b81 NC |
1967 | { |
1968 | char *s; | |
1969 | ||
f675dbe5 CB |
1970 | if ( |
1971 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 1972 | !TAINTING_get && |
f675dbe5 | 1973 | #endif |
cf756827 | 1974 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1975 | { |
74288ac8 GS |
1976 | while (isSPACE(*s)) |
1977 | s++; | |
317ea90d | 1978 | if (*s == '-' && *(s+1) == 'T') { |
284167a5 S |
1979 | #if SILENT_NO_TAINT_SUPPORT |
1980 | /* silently ignore */ | |
1981 | #elif NO_TAINT_SUPPORT | |
3231f579 | 1982 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1983 | "Cowardly refusing to run with -t or -T flags"); |
1984 | #else | |
22f7c9c9 | 1985 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1986 | TAINTING_set(TRUE); |
1987 | TAINT_WARN_set(FALSE); | |
1988 | #endif | |
317ea90d | 1989 | } |
74288ac8 | 1990 | else { |
bd61b366 | 1991 | char *popt_copy = NULL; |
74288ac8 | 1992 | while (s && *s) { |
54913509 | 1993 | const char *d; |
74288ac8 GS |
1994 | while (isSPACE(*s)) |
1995 | s++; | |
1996 | if (*s == '-') { | |
1997 | s++; | |
1998 | if (isSPACE(*s)) | |
1999 | continue; | |
2000 | } | |
4ea8f8fb | 2001 | d = s; |
74288ac8 GS |
2002 | if (!*s) |
2003 | break; | |
2b622f1a | 2004 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2005 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2006 | while (++s && *s) { |
2007 | if (isSPACE(*s)) { | |
cf756827 | 2008 | if (!popt_copy) { |
bfa6c418 NC |
2009 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2010 | s = popt_copy + (s - d); | |
2011 | d = popt_copy; | |
cf756827 | 2012 | } |
4ea8f8fb MS |
2013 | *s++ = '\0'; |
2014 | break; | |
2015 | } | |
2016 | } | |
1c4db469 | 2017 | if (*d == 't') { |
284167a5 S |
2018 | #if SILENT_NO_TAINT_SUPPORT |
2019 | /* silently ignore */ | |
2020 | #elif NO_TAINT_SUPPORT | |
3231f579 | 2021 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2022 | "Cowardly refusing to run with -t or -T flags"); |
2023 | #else | |
2024 | if( !TAINTING_get) { | |
2025 | TAINT_WARN_set(TRUE); | |
2026 | TAINTING_set(TRUE); | |
317ea90d | 2027 | } |
284167a5 | 2028 | #endif |
1c4db469 | 2029 | } else { |
97bd5664 | 2030 | moreswitches(d); |
1c4db469 | 2031 | } |
6224f72b | 2032 | } |
6224f72b GS |
2033 | } |
2034 | } | |
c7030b81 | 2035 | } |
a0d0e21e | 2036 | |
c29067d7 CH |
2037 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2038 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2039 | assert (!TAINT_get); |
c29067d7 | 2040 | TAINT; |
e2051532 | 2041 | set_caret_X(); |
c29067d7 CH |
2042 | TAINT_NOT; |
2043 | ||
43c0c913 | 2044 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2045 | if (!minus_f) { |
43c0c913 | 2046 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2047 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2048 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2049 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2050 | # ifdef PERL_IS_MINIPERL |
2051 | AV *const inc = GvAV(PL_incgv); | |
2052 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2053 | ||
2054 | if (inc0) { | |
15870c5c NC |
2055 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2056 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2057 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2058 | Perl_newSVpvf(aTHX_ | |
15870c5c | 2059 | "BEGIN { do {local $!; -f q%c%"SVf"/buildcustomize.pl%c} and do q%c%"SVf"/buildcustomize.pl%c || die $@ }", |
fc81b718 NC |
2060 | 0, *inc0, 0, |
2061 | 0, *inc0, 0)); | |
43c0c913 NC |
2062 | } |
2063 | # else | |
2064 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2065 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2066 | if (raw_sitelib) { |
2067 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2068 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2069 | INCPUSH_CAN_RELOCATE); | |
2070 | const char *const sitelib = SvPVX(sitelib_sv); | |
2071 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2072 | Perl_newSVpvf(aTHX_ | |
2073 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
2074 | 0, sitelib, 0, | |
2075 | 0, sitelib, 0)); | |
2076 | assert (SvREFCNT(sitelib_sv) == 1); | |
2077 | SvREFCNT_dec(sitelib_sv); | |
2078 | } | |
43c0c913 | 2079 | # endif |
20ef40cf GA |
2080 | } |
2081 | #endif | |
2082 | ||
6224f72b GS |
2083 | if (!scriptname) |
2084 | scriptname = argv[0]; | |
3280af22 | 2085 | if (PL_e_script) { |
6224f72b GS |
2086 | argc++,argv--; |
2087 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2088 | } | |
bd61b366 | 2089 | else if (scriptname == NULL) { |
6224f72b GS |
2090 | #ifdef MSDOS |
2091 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2092 | moreswitches("h"); |
6224f72b GS |
2093 | #endif |
2094 | scriptname = "-"; | |
2095 | } | |
2096 | ||
284167a5 | 2097 | assert (!TAINT_get); |
2cace6ac | 2098 | init_perllib(); |
6224f72b | 2099 | |
a52eba0e | 2100 | { |
f20b2998 | 2101 | bool suidscript = FALSE; |
829372d3 | 2102 | |
8d113837 | 2103 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2104 | if (!rsfp) { |
2105 | rsfp = PerlIO_stdin(); | |
87606032 | 2106 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2107 | } |
6224f72b | 2108 | |
b24bc095 | 2109 | validate_suid(rsfp); |
6224f72b | 2110 | |
64ca3a65 | 2111 | #ifndef PERL_MICRO |
a52eba0e NC |
2112 | # if defined(SIGCHLD) || defined(SIGCLD) |
2113 | { | |
2114 | # ifndef SIGCHLD | |
2115 | # define SIGCHLD SIGCLD | |
2116 | # endif | |
2117 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2118 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2119 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2120 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2121 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2122 | } | |
0b5b802d | 2123 | } |
a52eba0e | 2124 | # endif |
64ca3a65 | 2125 | #endif |
0b5b802d | 2126 | |
737c24fc | 2127 | if (doextract) { |
faef540c | 2128 | |
f20b2998 | 2129 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2130 | setuid scripts. */ |
2131 | forbid_setid('x', suidscript); | |
f20b2998 | 2132 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2133 | |
95670bde NC |
2134 | linestr_sv = newSV_type(SVt_PV); |
2135 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2136 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2137 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2138 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2139 | } | |
f4c556ac | 2140 | } |
6224f72b | 2141 | |
ea726b52 | 2142 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2143 | CvUNIQUE_on(PL_compcv); |
2144 | ||
dd2155a4 | 2145 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2146 | |
dd69841b BB |
2147 | PL_isarev = newHV(); |
2148 | ||
0c4f7ff0 | 2149 | boot_core_PerlIO(); |
6224f72b | 2150 | boot_core_UNIVERSAL(); |
e1a479c5 | 2151 | boot_core_mro(); |
4a5df386 | 2152 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2153 | |
2154 | if (xsinit) | |
acfe0abc | 2155 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2156 | #ifndef PERL_MICRO |
739a0b84 | 2157 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2158 | init_os_extras(); |
6224f72b | 2159 | #endif |
64ca3a65 | 2160 | #endif |
6224f72b | 2161 | |
29209bc5 | 2162 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2163 | # ifdef HAS_SOCKS5_INIT |
2164 | socks5_init(argv[0]); | |
2165 | # else | |
29209bc5 | 2166 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2167 | # endif |
ac27b0f5 | 2168 | #endif |
29209bc5 | 2169 | |
6224f72b GS |
2170 | init_predump_symbols(); |
2171 | /* init_postdump_symbols not currently designed to be called */ | |
2172 | /* more than once (ENV isn't cleared first, for example) */ | |
2173 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2174 | if (!PL_do_undump) |
6224f72b GS |
2175 | init_postdump_symbols(argc,argv,env); |
2176 | ||
27da23d5 JH |
2177 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2178 | * or explicitly in some platforms. | |
085a54d9 | 2179 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2180 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2181 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2182 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2183 | #endif | |
e27b5b51 | 2184 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2185 | if (PL_unicode) { |
2186 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2187 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2188 | IO* io; |
2189 | PerlIO* fp; | |
2190 | SV* sv; | |
2191 | ||
a05d7ebb | 2192 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2193 | * and the default open disciplines. */ |
a05d7ebb JH |
2194 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2195 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2196 | (fp = IoIFP(io))) | |
2197 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2198 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2199 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2200 | (fp = IoOFP(io))) | |
2201 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2202 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2203 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2204 | (fp = IoOFP(io))) | |
2205 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2206 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2207 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2208 | SVt_PV)))) { | |
a05d7ebb JH |
2209 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2210 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2211 | if (in) { | |
2212 | if (out) | |
76f68e9b | 2213 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2214 | else |
76f68e9b | 2215 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2216 | } |
2217 | else if (out) | |
76f68e9b | 2218 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2219 | SvSETMAGIC(sv); |
2220 | } | |
b310b053 JH |
2221 | } |
2222 | } | |
e27b5b51 | 2223 | #endif |
b310b053 | 2224 | |
c7030b81 NC |
2225 | { |
2226 | const char *s; | |
4ffa73a3 JH |
2227 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2228 | if (strEQ(s, "unsafe")) | |
2229 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2230 | else if (strEQ(s, "safe")) | |
2231 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2232 | else | |
2233 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2234 | } | |
c7030b81 | 2235 | } |
4ffa73a3 | 2236 | |
81d86705 | 2237 | #ifdef PERL_MAD |
c7030b81 NC |
2238 | { |
2239 | const char *s; | |
284167a5 | 2240 | if (!TAINTING_get && |
2cc12391 | 2241 | (s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
81d86705 NC |
2242 | PL_madskills = 1; |
2243 | PL_minus_c = 1; | |
2244 | if (!s || !s[0]) | |
2245 | PL_xmlfp = PerlIO_stdout(); | |
2246 | else { | |
2247 | PL_xmlfp = PerlIO_open(s, "w"); | |
2248 | if (!PL_xmlfp) | |
2249 | Perl_croak(aTHX_ "Can't open %s", s); | |
2250 | } | |
1a9a51d4 | 2251 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2252 | } |
c7030b81 NC |
2253 | } |
2254 | ||
2255 | { | |
2256 | const char *s; | |
81d86705 NC |
2257 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2258 | PL_madskills = atoi(s); | |
1a9a51d4 | 2259 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2260 | } |
c7030b81 | 2261 | } |
81d86705 NC |
2262 | #endif |
2263 | ||
87606032 | 2264 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2265 | SvREFCNT_dec(linestr_sv); |
95670bde | 2266 | |
219f7226 | 2267 | PL_subname = newSVpvs("main"); |
6224f72b | 2268 | |
5486870f DM |
2269 | if (add_read_e_script) |
2270 | filter_add(read_e_script, NULL); | |
2271 | ||
6224f72b GS |
2272 | /* now parse the script */ |
2273 | ||
93189314 | 2274 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2275 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2276 | if (PL_minus_c) |
cea2e8a9 | 2277 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2278 | else { |
cea2e8a9 | 2279 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2280 | PL_origfilename); |
6224f72b GS |
2281 | } |
2282 | } | |
57843af0 | 2283 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2284 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2285 | if (PL_e_script) { |
2286 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2287 | PL_e_script = NULL; |
6224f72b GS |
2288 | } |
2289 | ||
3280af22 | 2290 | if (PL_do_undump) |
6224f72b GS |
2291 | my_unexec(); |
2292 | ||
57843af0 GS |
2293 | if (isWARN_ONCE) { |
2294 | SAVECOPFILE(PL_curcop); | |
2295 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2296 | gv_check(PL_defstash); |
57843af0 | 2297 | } |
6224f72b GS |
2298 | |
2299 | LEAVE; | |
2300 | FREETMPS; | |
2301 | ||
2302 | #ifdef MYMALLOC | |
f6a607bc RGS |
2303 | { |
2304 | const char *s; | |
6224f72b GS |
2305 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2306 | dump_mstats("after compilation:"); | |
f6a607bc | 2307 | } |
6224f72b GS |
2308 | #endif |
2309 | ||
2310 | ENTER; | |
febb3a6d | 2311 | PL_restartjmpenv = NULL; |
3280af22 | 2312 | PL_restartop = 0; |
312caa8e | 2313 | return NULL; |
6224f72b GS |
2314 | } |
2315 | ||
954c1994 GS |
2316 | /* |
2317 | =for apidoc perl_run | |
2318 | ||
2319 | Tells a Perl interpreter to run. See L<perlembed>. | |
2320 | ||
2321 | =cut | |
2322 | */ | |
2323 | ||
6224f72b | 2324 | int |
0cb96387 | 2325 | perl_run(pTHXx) |
6224f72b | 2326 | { |
97aff369 | 2327 | dVAR; |
6224f72b | 2328 | I32 oldscope; |
14dd3ad8 | 2329 | int ret = 0; |
db36c5a1 | 2330 | dJMPENV; |
6224f72b | 2331 | |
7918f24d NC |
2332 | PERL_ARGS_ASSERT_PERL_RUN; |
2333 | #ifndef MULTIPLICITY | |
ed6c66dd | 2334 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2335 | #endif |
9d4ba2ae | 2336 | |
3280af22 | 2337 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2338 | #ifdef VMS |
2339 | VMSISH_HUSHED = 0; | |
2340 | #endif | |
6224f72b | 2341 | |
14dd3ad8 | 2342 | JMPENV_PUSH(ret); |
6224f72b GS |
2343 | switch (ret) { |
2344 | case 1: | |
2345 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2346 | goto redo_body; |
14dd3ad8 | 2347 | case 0: /* normal completion */ |
14dd3ad8 GS |
2348 | redo_body: |
2349 | run_body(oldscope); | |
14dd3ad8 GS |
2350 | /* FALL THROUGH */ |
2351 | case 2: /* my_exit() */ | |
3280af22 | 2352 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2353 | LEAVE; |
2354 | FREETMPS; | |
03d9f026 | 2355 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2356 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2357 | PL_endav && !PL_minus_c) { |
ca7b837b | 2358 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2359 | call_list(oldscope, PL_endav); |
9ebf26ad | 2360 | } |
6224f72b GS |
2361 | #ifdef MYMALLOC |
2362 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2363 | dump_mstats("after execution: "); | |
2364 | #endif | |
37038d91 | 2365 | ret = STATUS_EXIT; |
14dd3ad8 | 2366 | break; |
6224f72b | 2367 | case 3: |
312caa8e CS |
2368 | if (PL_restartop) { |
2369 | POPSTACK_TO(PL_mainstack); | |
2370 | goto redo_body; | |
6224f72b | 2371 | } |
5637ef5b | 2372 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2373 | FREETMPS; |
14dd3ad8 GS |
2374 | ret = 1; |
2375 | break; | |
6224f72b GS |
2376 | } |
2377 | ||
14dd3ad8 GS |
2378 | JMPENV_POP; |
2379 | return ret; | |
312caa8e CS |
2380 | } |
2381 | ||
dd374669 | 2382 | STATIC void |
14dd3ad8 GS |
2383 | S_run_body(pTHX_ I32 oldscope) |
2384 | { | |
97aff369 | 2385 | dVAR; |
d3b97530 DM |
2386 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2387 | PL_sawampersand ? "Enabling" : "Omitting", | |
2388 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2389 | |
3280af22 | 2390 | if (!PL_restartop) { |
81d86705 NC |
2391 | #ifdef PERL_MAD |
2392 | if (PL_xmlfp) { | |
2393 | xmldump_all(); | |
2394 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2395 | } | |
2396 | #endif | |
cf2782cd | 2397 | #ifdef DEBUGGING |
f0e3f042 CS |
2398 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2399 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2400 | if (!DEBUG_q_TEST) |
2401 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2402 | #endif |
6224f72b | 2403 | |
3280af22 | 2404 | if (PL_minus_c) { |
bf49b057 | 2405 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2406 | my_exit(0); |
2407 | } | |
3280af22 | 2408 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2409 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad | 2410 | if (PL_initav) { |
ca7b837b | 2411 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2412 | call_list(oldscope, PL_initav); |
9ebf26ad | 2413 | } |
f1fac472 | 2414 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2415 | if (PL_main_root && PL_main_root->op_slabbed) |
2416 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2417 | #endif |
6224f72b GS |
2418 | } |
2419 | ||
2420 | /* do it */ | |
2421 | ||
ca7b837b | 2422 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2423 | |
3280af22 | 2424 | if (PL_restartop) { |
febb3a6d | 2425 | PL_restartjmpenv = NULL; |
533c011a | 2426 | PL_op = PL_restartop; |
3280af22 | 2427 | PL_restartop = 0; |
cea2e8a9 | 2428 | CALLRUNOPS(aTHX); |
6224f72b | 2429 | } |
3280af22 NIS |
2430 | else if (PL_main_start) { |
2431 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2432 | PL_op = PL_main_start; |
cea2e8a9 | 2433 | CALLRUNOPS(aTHX); |
6224f72b | 2434 | } |
f6b3007c | 2435 | my_exit(0); |
118e2215 | 2436 | assert(0); /* NOTREACHED */ |
6224f72b GS |
2437 | } |
2438 | ||
954c1994 | 2439 | /* |
ccfc67b7 JH |
2440 | =head1 SV Manipulation Functions |
2441 | ||
954c1994 GS |
2442 | =for apidoc p||get_sv |
2443 | ||
64ace3f8 | 2444 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2445 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2446 | Perl variable does not exist then it will be created. If C<flags> is zero |
2447 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2448 | |
2449 | =cut | |
2450 | */ | |
2451 | ||
6224f72b | 2452 | SV* |
64ace3f8 | 2453 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2454 | { |
2455 | GV *gv; | |
7918f24d NC |
2456 | |
2457 | PERL_ARGS_ASSERT_GET_SV; | |
2458 | ||
64ace3f8 | 2459 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2460 | if (gv) |
2461 | return GvSV(gv); | |
a0714e2c | 2462 | return NULL; |
6224f72b GS |
2463 | } |
2464 | ||
954c1994 | 2465 | /* |
ccfc67b7 JH |
2466 | =head1 Array Manipulation Functions |
2467 | ||
954c1994 GS |
2468 | =for apidoc p||get_av |
2469 | ||
f0b90de1 SF |
2470 | Returns the AV of the specified Perl global or package array with the given |
2471 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2472 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2473 | Perl variable does not exist then it will be created. If C<flags> is zero |
2474 | and the variable does not exist then NULL is returned. | |
954c1994 | 2475 | |
f0b90de1 SF |
2476 | Perl equivalent: C<@{"$name"}>. |
2477 | ||
954c1994 GS |
2478 | =cut |
2479 | */ | |
2480 | ||
6224f72b | 2481 | AV* |
cbfd0a87 | 2482 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2483 | { |
cbfd0a87 | 2484 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2485 | |
2486 | PERL_ARGS_ASSERT_GET_AV; | |
2487 | ||
cbfd0a87 | 2488 | if (flags) |
6224f72b GS |
2489 | return GvAVn(gv); |
2490 | if (gv) | |
2491 | return GvAV(gv); | |
7d49f689 | 2492 | return NULL; |
6224f72b GS |
2493 | } |
2494 | ||
954c1994 | 2495 | /* |
ccfc67b7 JH |
2496 | =head1 Hash Manipulation Functions |
2497 | ||
954c1994 GS |
2498 | =for apidoc p||get_hv |
2499 | ||
6673a63c | 2500 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2501 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c NC |
2502 | Perl variable does not exist then it will be created. If C<flags> is zero |
2503 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2504 | |
2505 | =cut | |
2506 | */ | |
2507 | ||
6224f72b | 2508 | HV* |
6673a63c | 2509 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2510 | { |
6673a63c | 2511 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2512 | |
2513 | PERL_ARGS_ASSERT_GET_HV; | |
2514 | ||
6673a63c | 2515 | if (flags) |
a0d0e21e LW |
2516 | return GvHVn(gv); |
2517 | if (gv) | |
2518 | return GvHV(gv); | |
5c284bb0 | 2519 | return NULL; |
a0d0e21e LW |
2520 | } |
2521 | ||
954c1994 | 2522 | /* |
ccfc67b7 JH |
2523 | =head1 CV Manipulation Functions |
2524 | ||
780a5241 NC |
2525 | =for apidoc p||get_cvn_flags |
2526 | ||
2527 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2528 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2529 | exist then it will be declared (which has the same effect as saying |
2530 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2531 | then NULL is returned. | |
2532 | ||
954c1994 GS |
2533 | =for apidoc p||get_cv |
2534 | ||
780a5241 | 2535 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2536 | |
2537 | =cut | |
2538 | */ | |
2539 | ||
a0d0e21e | 2540 | CV* |
780a5241 | 2541 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2542 | { |
780a5241 | 2543 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2544 | |
2545 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2546 | ||
334dda80 FC |
2547 | /* XXX this is probably not what they think they're getting. |
2548 | * It has the same effect as "sub name;", i.e. just a forward | |
2549 | * declaration! */ | |
780a5241 | 2550 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2551 | return newSTUB(gv,0); |
780a5241 | 2552 | } |
a0d0e21e | 2553 | if (gv) |
8ebc5c01 | 2554 | return GvCVu(gv); |
601f1833 | 2555 | return NULL; |
a0d0e21e LW |
2556 | } |
2557 | ||
2c67934f NC |
2558 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2559 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2560 | CV* |
2561 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2562 | { | |
7918f24d NC |
2563 | PERL_ARGS_ASSERT_GET_CV; |
2564 | ||
780a5241 NC |
2565 | return get_cvn_flags(name, strlen(name), flags); |
2566 | } | |
2567 | ||
79072805 LW |
2568 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2569 | ||
954c1994 | 2570 | /* |
ccfc67b7 JH |
2571 | |
2572 | =head1 Callback Functions | |
2573 | ||
954c1994 GS |
2574 | =for apidoc p||call_argv |
2575 | ||
f0b90de1 | 2576 | Performs a callback to the specified named and package-scoped Perl subroutine |
72d33970 FC |
2577 | with C<argv> (a NULL-terminated array of strings) as arguments. See |
2578 | L<perlcall>. | |
f0b90de1 SF |
2579 | |
2580 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2581 | |
2582 | =cut | |
2583 | */ | |
2584 | ||
a0d0e21e | 2585 | I32 |
5aaab254 | 2586 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2587 | |
8ac85365 NIS |
2588 | /* See G_* flags in cop.h */ |
2589 | /* null terminated arg list */ | |
8990e307 | 2590 | { |
97aff369 | 2591 | dVAR; |
a0d0e21e | 2592 | dSP; |
8990e307 | 2593 | |
7918f24d NC |
2594 | PERL_ARGS_ASSERT_CALL_ARGV; |
2595 | ||
924508f0 | 2596 | PUSHMARK(SP); |
a0d0e21e | 2597 | if (argv) { |
8990e307 | 2598 | while (*argv) { |
6e449a3a | 2599 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2600 | argv++; |
2601 | } | |
a0d0e21e | 2602 | PUTBACK; |
8990e307 | 2603 | } |
864dbfa3 | 2604 | return call_pv(sub_name, flags); |
8990e307 LW |
2605 | } |
2606 | ||
954c1994 GS |
2607 | /* |
2608 | =for apidoc p||call_pv | |
2609 | ||
2610 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2611 | ||
2612 | =cut | |
2613 | */ | |
2614 | ||
a0d0e21e | 2615 | I32 |
864dbfa3 | 2616 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2617 | /* name of the subroutine */ |
2618 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2619 | { |
7918f24d NC |
2620 | PERL_ARGS_ASSERT_CALL_PV; |
2621 | ||
0da0e728 | 2622 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2623 | } |
2624 | ||
954c1994 GS |
2625 | /* |
2626 | =for apidoc p||call_method | |
2627 | ||
2628 | Performs a callback to the specified Perl method. The blessed object must | |
2629 | be on the stack. See L<perlcall>. | |
2630 | ||
2631 | =cut | |
2632 | */ | |
2633 | ||
a0d0e21e | 2634 | I32 |
864dbfa3 | 2635 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2636 | /* name of the subroutine */ |
2637 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2638 | { |
46ca9bac | 2639 | STRLEN len; |
c106c2be | 2640 | SV* sv; |
7918f24d NC |
2641 | PERL_ARGS_ASSERT_CALL_METHOD; |
2642 | ||
46ca9bac | 2643 | len = strlen(methname); |
c106c2be RZ |
2644 | sv = flags & G_METHOD_NAMED |
2645 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2646 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2647 | |
c106c2be | 2648 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2649 | } |
2650 | ||
2651 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2652 | /* |
2653 | =for apidoc p||call_sv | |
2654 | ||
2655 | Performs a callback to the Perl sub whose name is in the SV. See | |
2656 | L<perlcall>. | |
2657 | ||
2658 | =cut | |
2659 | */ | |
2660 | ||
a0d0e21e | 2661 | I32 |
001d637e | 2662 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2663 | /* See G_* flags in cop.h */ |
a0d0e21e | 2664 | { |
27da23d5 | 2665 | dVAR; dSP; |
a0d0e21e | 2666 | LOGOP myop; /* fake syntax tree node */ |
c106c2be RZ |
2667 | UNOP method_unop; |
2668 | SVOP method_svop; | |
aa689395 | 2669 | I32 oldmark; |
8ea43dc8 | 2670 | VOL I32 retval = 0; |
a0d0e21e | 2671 | I32 oldscope; |
54310121 | 2672 | bool oldcatch = CATCH_GET; |
6224f72b | 2673 | int ret; |
c4420975 | 2674 | OP* const oldop = PL_op; |
db36c5a1 | 2675 | dJMPENV; |
1e422769 | 2676 | |
7918f24d NC |
2677 | PERL_ARGS_ASSERT_CALL_SV; |
2678 | ||
a0d0e21e LW |
2679 | if (flags & G_DISCARD) { |
2680 | ENTER; | |
2681 | SAVETMPS; | |
2682 | } | |
2f8edad0 NC |
2683 | if (!(flags & G_WANT)) { |
2684 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2685 | */ | |
2686 | flags |= G_SCALAR; | |
2687 | } | |
a0d0e21e | 2688 | |
aa689395 | 2689 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2690 | if (!(flags & G_NOARGS)) |
aa689395 | 2691 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2692 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2693 | SAVEOP(); |
533c011a | 2694 | PL_op = (OP*)&myop; |
aa689395 | 2695 | |
3280af22 | 2696 | EXTEND(PL_stack_sp, 1); |
c106c2be RZ |
2697 | if (!(flags & G_METHOD_NAMED)) |
2698 | *++PL_stack_sp = sv; | |
aa689395 | 2699 | oldmark = TOPMARK; |
3280af22 | 2700 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2701 | |
3280af22 | 2702 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2703 | /* Handle first BEGIN of -d. */ |
3280af22 | 2704 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2705 | /* Try harder, since this may have been a sighandler, thus |
2706 | * curstash may be meaningless. */ | |
ea726b52 | 2707 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2708 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2709 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2710 | |
c106c2be RZ |
2711 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
2712 | if ( flags & G_METHOD_NAMED ) { | |
2713 | Zero(&method_svop, 1, SVOP); | |
2714 | method_svop.op_next = (OP*)&myop; | |
2715 | method_svop.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; | |
2716 | method_svop.op_type = OP_METHOD_NAMED; | |
2717 | method_svop.op_sv = sv; | |
2718 | PL_op = (OP*)&method_svop; | |
2719 | } else { | |
2720 | Zero(&method_unop, 1, UNOP); | |
2721 | method_unop.op_next = (OP*)&myop; | |
2722 | method_unop.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
2723 | method_unop.op_type = OP_METHOD; | |
2724 | PL_op = (OP*)&method_unop; | |
2725 | } | |
2726 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2727 | myop.op_type = OP_ENTERSUB; | |
2728 | ||
968b3946 GS |
2729 | } |
2730 | ||
312caa8e | 2731 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2732 | CATCH_SET(TRUE); |
d6f07c05 | 2733 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2734 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2735 | CATCH_SET(oldcatch); |
312caa8e CS |
2736 | } |
2737 | else { | |
d78bda3d | 2738 | myop.op_other = (OP*)&myop; |
3280af22 | 2739 | PL_markstack_ptr--; |
edb2152a | 2740 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2741 | PL_markstack_ptr++; |
a0d0e21e | 2742 | |
14dd3ad8 | 2743 | JMPENV_PUSH(ret); |
edb2152a | 2744 | |
6224f72b GS |
2745 | switch (ret) { |
2746 | case 0: | |
14dd3ad8 | 2747 | redo_body: |
d6f07c05 | 2748 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2749 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2750 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2751 | CLEAR_ERRSV(); |
8433848b | 2752 | } |
a0d0e21e | 2753 | break; |
6224f72b | 2754 | case 1: |
f86702cc | 2755 | STATUS_ALL_FAILURE; |
a0d0e21e | 2756 | /* FALL THROUGH */ |
6224f72b | 2757 | case 2: |
a0d0e21e | 2758 | /* my_exit() was called */ |
03d9f026 | 2759 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2760 | FREETMPS; |
14dd3ad8 | 2761 | JMPENV_POP; |
f86702cc | 2762 | my_exit_jump(); |
118e2215 | 2763 | assert(0); /* NOTREACHED */ |
6224f72b | 2764 | case 3: |
3280af22 | 2765 | if (PL_restartop) { |
febb3a6d | 2766 | PL_restartjmpenv = NULL; |
533c011a | 2767 | PL_op = PL_restartop; |
3280af22 | 2768 | PL_restartop = 0; |
312caa8e | 2769 | goto redo_body; |
a0d0e21e | 2770 | } |
3280af22 | 2771 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2772 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2773 | retval = 0; |
2774 | else { | |
2775 | retval = 1; | |
3280af22 | 2776 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2777 | } |
312caa8e | 2778 | break; |
a0d0e21e | 2779 | } |
a0d0e21e | 2780 | |
edb2152a NC |
2781 | if (PL_scopestack_ix > oldscope) |
2782 | delete_eval_scope(); | |
14dd3ad8 | 2783 | JMPENV_POP; |
a0d0e21e | 2784 | } |
1e422769 | 2785 | |
a0d0e21e | 2786 | if (flags & G_DISCARD) { |
3280af22 | 2787 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2788 | retval = 0; |
2789 | FREETMPS; | |
2790 | LEAVE; | |
2791 | } | |
533c011a | 2792 | PL_op = oldop; |
a0d0e21e LW |
2793 | return retval; |
2794 | } | |
2795 | ||
6e72f9df | 2796 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2797 | |
954c1994 GS |
2798 | /* |
2799 | =for apidoc p||eval_sv | |
2800 | ||
72d33970 FC |
2801 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2802 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2803 | |
2804 | =cut | |
2805 | */ | |
2806 | ||
a0d0e21e | 2807 | I32 |
864dbfa3 | 2808 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2809 | |
8ac85365 | 2810 | /* See G_* flags in cop.h */ |
a0d0e21e | 2811 | { |
97aff369 | 2812 | dVAR; |
924508f0 | 2813 | dSP; |
a0d0e21e | 2814 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2815 | VOL I32 oldmark = SP - PL_stack_base; |
2816 | VOL I32 retval = 0; | |
6224f72b | 2817 | int ret; |
c4420975 | 2818 | OP* const oldop = PL_op; |
db36c5a1 | 2819 | dJMPENV; |
84902520 | 2820 | |
7918f24d NC |
2821 | PERL_ARGS_ASSERT_EVAL_SV; |
2822 | ||
4633a7c4 LW |
2823 | if (flags & G_DISCARD) { |
2824 | ENTER; | |
2825 | SAVETMPS; | |
2826 | } | |
2827 | ||
462e5cf6 | 2828 | SAVEOP(); |
533c011a | 2829 | PL_op = (OP*)&myop; |
5ff48db8 | 2830 | Zero(&myop, 1, UNOP); |
3280af22 NIS |
2831 | EXTEND(PL_stack_sp, 1); |
2832 | *++PL_stack_sp = sv; | |
79072805 | 2833 | |
4633a7c4 LW |
2834 | if (!(flags & G_NOARGS)) |
2835 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2836 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2837 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2838 | if (flags & G_KEEPERR) |
2839 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2840 | |
2841 | if (flags & G_RE_REPARSING) | |
2842 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2843 | |
dedbcade DM |
2844 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2845 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2846 | TAINT_PROPER("eval_sv()"); | |
2847 | ||
14dd3ad8 | 2848 | JMPENV_PUSH(ret); |
6224f72b GS |
2849 | switch (ret) { |
2850 | case 0: | |
14dd3ad8 | 2851 | redo_body: |
2ba65d5f DM |
2852 | if (PL_op == (OP*)(&myop)) { |
2853 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2854 | if (!PL_op) | |
2855 | goto fail; /* failed in compilation */ | |
2856 | } | |
4aca2f62 | 2857 | CALLRUNOPS(aTHX); |
312caa8e | 2858 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2859 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2860 | CLEAR_ERRSV(); |
8433848b | 2861 | } |
4633a7c4 | 2862 | break; |
6224f72b | 2863 | case 1: |
f86702cc | 2864 | STATUS_ALL_FAILURE; |
4633a7c4 | 2865 | /* FALL THROUGH */ |
6224f72b | 2866 | case 2: |
4633a7c4 | 2867 | /* my_exit() was called */ |
03d9f026 | 2868 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2869 | FREETMPS; |
14dd3ad8 | 2870 | JMPENV_POP; |
f86702cc | 2871 | my_exit_jump(); |
118e2215 | 2872 | assert(0); /* NOTREACHED */ |
6224f72b | 2873 | case 3: |
3280af22 | 2874 | if (PL_restartop) { |
febb3a6d | 2875 | PL_restartjmpenv = NULL; |
533c011a | 2876 | PL_op = PL_restartop; |
3280af22 | 2877 | PL_restartop = 0; |
312caa8e | 2878 | goto redo_body; |
4633a7c4 | 2879 | } |
4aca2f62 | 2880 | fail: |
3280af22 | 2881 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2882 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2883 | retval = 0; |
2884 | else { | |
2885 | retval = 1; | |
3280af22 | 2886 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2887 | } |
312caa8e | 2888 | break; |
4633a7c4 LW |
2889 | } |
2890 | ||
14dd3ad8 | 2891 | JMPENV_POP; |
4633a7c4 | 2892 | if (flags & G_DISCARD) { |
3280af22 | 2893 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2894 | retval = 0; |
2895 | FREETMPS; | |
2896 | LEAVE; | |
2897 | } | |
533c011a | 2898 | PL_op = oldop; |
4633a7c4 LW |
2899 | return retval; |
2900 | } | |
2901 | ||
954c1994 GS |
2902 | /* |
2903 | =for apidoc p||eval_pv | |
2904 | ||
2905 | Tells Perl to C<eval> the given string and return an SV* result. | |
2906 | ||
2907 | =cut | |
2908 | */ | |
2909 | ||
137443ea | 2910 | SV* |
864dbfa3 | 2911 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2912 | { |
97aff369 | 2913 | dVAR; |
137443ea | 2914 | SV* sv = newSVpv(p, 0); |
2915 | ||
7918f24d NC |
2916 | PERL_ARGS_ASSERT_EVAL_PV; |
2917 | ||
864dbfa3 | 2918 | eval_sv(sv, G_SCALAR); |
137443ea | 2919 | SvREFCNT_dec(sv); |
2920 | ||
ed1786ad DD |
2921 | { |
2922 | dSP; | |
2923 | sv = POPs; | |
2924 | PUTBACK; | |
2925 | } | |
137443ea | 2926 | |
eed484f9 DD |
2927 | /* just check empty string or undef? */ |
2928 | if (croak_on_error) { | |
2929 | SV * const errsv = ERRSV; | |
2930 | if(SvTRUE_NN(errsv)) | |
2931 | /* replace with croak_sv? */ | |
2932 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 2933 | } |
137443ea | 2934 | |
2935 | return sv; | |
2936 | } | |
2937 | ||
4633a7c4 LW |
2938 | /* Require a module. */ |
2939 | ||
954c1994 | 2940 | /* |
ccfc67b7 JH |
2941 | =head1 Embedding Functions |
2942 | ||
954c1994 GS |
2943 | =for apidoc p||require_pv |
2944 | ||
7d3fb230 BS |
2945 | Tells Perl to C<require> the file named by the string argument. It is |
2946 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2947 | implemented that way; consider using load_module instead. |
954c1994 | 2948 | |
7d3fb230 | 2949 | =cut */ |
954c1994 | 2950 | |
4633a7c4 | 2951 | void |
864dbfa3 | 2952 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2953 | { |
97aff369 | 2954 | dVAR; |
d3acc0f7 | 2955 | dSP; |
97aff369 | 2956 | SV* sv; |
7918f24d NC |
2957 | |
2958 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2959 | ||
e788e7d3 | 2960 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
2961 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2962 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 2963 | POPSTACK; |
79072805 LW |
2964 | } |
2965 | ||
76e3520e | 2966 | STATIC void |
b6f82619 | 2967 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 2968 | { |
ab821d7f | 2969 | /* This message really ought to be max 23 lines. |
75c72d73 | 2970 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2971 | |
1566c39d NC |
2972 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2973 | minimum of 509 character string literals. */ | |
27da23d5 | 2974 | static const char * const usage_msg[] = { |
1566c39d NC |
2975 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2976 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2977 | " -C[number/list] enables the listed Unicode features\n" | |
2978 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
2979 | " -d[:debugger] run program under debugger\n" | |
2980 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
2981 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
2982 | " -E program like -e, but enables all optional features\n" | |
2983 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
2984 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
2985 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
2986 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
2987 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
2988 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
2989 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
2990 | " -p assume loop like -n but print line also, like sed\n" | |
2991 | " -s enable rudimentary parsing for switches after programfile\n" | |
2992 | " -S look for programfile using PATH environment variable\n", | |
2993 | " -t enable tainting warnings\n" | |
2994 | " -T enable tainting checks\n" | |
2995 | " -u dump core after parsing program\n" | |
2996 | " -U allow unsafe operations\n" | |
2997 | " -v print version, patchlevel and license\n" | |
2998 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 2999 | " -w enable many useful warnings\n" |
1566c39d NC |
3000 | " -W enable all warnings\n" |
3001 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3002 | " -X disable all warnings\n" | |
3003 | " \n" | |
3004 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3005 | NULL |
3006 | }; | |
27da23d5 | 3007 | const char * const *p = usage_msg; |
1566c39d | 3008 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3009 | |
1566c39d NC |
3010 | PerlIO_printf(out, |
3011 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3012 | PL_origargv[0]); |
fb73857a | 3013 | while (*p) |
1566c39d | 3014 | PerlIO_puts(out, *p++); |
b6f82619 | 3015 | my_exit(0); |
4633a7c4 LW |
3016 | } |
3017 | ||
b4ab917c DM |
3018 | /* convert a string of -D options (or digits) into an int. |
3019 | * sets *s to point to the char after the options */ | |
3020 | ||
3021 | #ifdef DEBUGGING | |
3022 | int | |
e1ec3a88 | 3023 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3024 | { |
27da23d5 | 3025 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3026 | " Debugging flag values: (see also -d)\n" |
3027 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3028 | " s Stack snapshots (with v, displays all stacks)\n" | |
3029 | " l Context (loop) stack processing\n" | |
3030 | " t Trace execution\n" | |
3031 | " o Method and overloading resolution\n", | |
3032 | " c String/numeric conversions\n" | |
3033 | " P Print profiling info, source file input state\n" | |
3034 | " m Memory and SV allocation\n" | |
3035 | " f Format processing\n" | |
3036 | " r Regular expression parsing and execution\n" | |
3037 | " x Syntax tree dump\n", | |
3038 | " u Tainting checks\n" | |
3039 | " H Hash dump -- usurps values()\n" | |
3040 | " X Scratchpad allocation\n" | |
3041 | " D Cleaning up\n" | |
56967202 | 3042 | " S Op slab allocation\n" |
651b8f1a NC |
3043 | " T Tokenising\n" |
3044 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3045 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3046 | " v Verbose: use in conjunction with other flags\n" | |
3047 | " C Copy On Write\n" | |
3048 | " A Consistency checks on internal structures\n" | |
3049 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3050 | " M trace smart match resolution\n" | |
3051 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
3052 | NULL |
3053 | }; | |
b4ab917c | 3054 | int i = 0; |
7918f24d NC |
3055 | |
3056 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3057 | ||
b4ab917c DM |
3058 | if (isALPHA(**s)) { |
3059 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 3060 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c | 3061 | |
0eb30aeb | 3062 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3063 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
3064 | if (d) |
3065 | i |= 1 << (d - debopts); | |
3066 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
3067 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3068 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3069 | } |
3070 | } | |
e6e64d9b | 3071 | else if (isDIGIT(**s)) { |
b4ab917c | 3072 | i = atoi(*s); |
0eb30aeb | 3073 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3074 | } |
ddcf8bc1 | 3075 | else if (givehelp) { |
06e869a4 | 3076 | const char *const *p = usage_msgd; |
651b8f1a | 3077 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3078 | } |
b4ab917c DM |
3079 | # ifdef EBCDIC |
3080 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
3081 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
3082 | "-Dp not implemented on this platform\n"); | |
3083 | # endif | |
3084 | return i; | |
3085 | } | |
3086 | #endif | |
3087 | ||
79072805 LW |
3088 | /* This routine handles any switches that can be given during run */ |
3089 | ||
c7030b81 NC |
3090 | const char * |
3091 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3092 | { |
27da23d5 | 3093 | dVAR; |
84c133a0 | 3094 | UV rschar; |
0544e6df | 3095 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3096 | |
7918f24d NC |
3097 | PERL_ARGS_ASSERT_MORESWITCHES; |
3098 | ||
79072805 LW |
3099 | switch (*s) { |
3100 | case '0': | |
a863c7d1 | 3101 | { |
f2095865 | 3102 | I32 flags = 0; |
a3b680e6 | 3103 | STRLEN numlen; |
f2095865 JH |
3104 | |
3105 | SvREFCNT_dec(PL_rs); | |
3106 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3107 | const char *e = s+=2; |
f2095865 JH |
3108 | U8 *tmps; |
3109 | ||
a3b680e6 AL |
3110 | while (*e) |
3111 | e++; | |
f2095865 JH |
3112 | numlen = e - s; |
3113 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3114 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3115 | if (s + numlen < e) { | |
3116 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3117 | numlen = 0; | |
3118 | s--; | |
3119 | } | |
396482e1 | 3120 | PL_rs = newSVpvs(""); |
c5661c80 | 3121 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3122 | tmps = (U8*)SvPVX(PL_rs); |
3123 | uvchr_to_utf8(tmps, rschar); | |
3124 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3125 | SvUTF8_on(PL_rs); | |
3126 | } | |
3127 | else { | |
3128 | numlen = 4; | |
3129 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3130 | if (rschar & ~((U8)~0)) | |
3131 | PL_rs = &PL_sv_undef; | |
3132 | else if (!rschar && numlen >= 2) | |
396482e1 | 3133 | PL_rs = newSVpvs(""); |
f2095865 JH |
3134 | else { |
3135 | char ch = (char)rschar; | |
3136 | PL_rs = newSVpvn(&ch, 1); | |
3137 | } | |
3138 | } | |
64ace3f8 | 3139 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3140 | return s + numlen; |
a863c7d1 | 3141 | } |
46487f74 | 3142 | case 'C': |
a05d7ebb | 3143 | s++; |
dd374669 | 3144 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3145 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3146 | PL_utf8cache = -1; | |
46487f74 | 3147 | return s; |
2304df62 | 3148 | case 'F': |
5fc691f1 | 3149 | PL_minus_a = TRUE; |
3280af22 | 3150 | PL_minus_F = TRUE; |
24ffa309 | 3151 | PL_minus_n = TRUE; |
ebce5377 RGS |
3152 | PL_splitstr = ++s; |
3153 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3154 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3155 | return s; |
79072805 | 3156 | case 'a': |
3280af22 | 3157 | PL_minus_a = TRUE; |
24ffa309 | 3158 | PL_minus_n = TRUE; |
79072805 LW |
3159 | s++; |
3160 | return s; | |
3161 | case 'c': | |
3280af22 | 3162 | PL_minus_c = TRUE; |
79072805 LW |
3163 | s++; |
3164 | return s; | |
3165 | case 'd': | |
f20b2998 | 3166 | forbid_setid('d', FALSE); |
4633a7c4 | 3167 | s++; |
2cbb2ee1 RGS |
3168 | |
3169 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3170 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3171 | ++s; |
3172 | my_setenv("PERL5DB_THREADED", "1"); | |
3173 | } | |
3174 | ||
70c94a19 RR |
3175 | /* The following permits -d:Mod to accepts arguments following an = |
3176 | in the fashion that -MSome::Mod does. */ | |
3177 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3178 | const char *start; |
3179 | const char *end; | |
3180 | SV *sv; | |
3181 | ||
3182 | if (*++s == '-') { | |
3183 | ++s; | |
3184 | sv = newSVpvs("no Devel::"); | |
3185 | } else { | |
3186 | sv = newSVpvs("use Devel::"); | |
3187 | } | |
3188 | ||
3189 | start = s; | |
3190 | end = s + strlen(s); | |
f85893a1 | 3191 | |
b19934fb | 3192 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3193 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3194 | if (*s != '=') |
f85893a1 | 3195 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3196 | else { |
3197 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3198 | /* Don't use NUL as q// delimiter here, this string goes in the |
3199 | * environment. */ | |
3200 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3201 | } |
f85893a1 | 3202 | s = end; |
184f32ec | 3203 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3204 | SvREFCNT_dec(sv); |
4633a7c4 | 3205 | } |
ed094faf | 3206 | if (!PL_perldb) { |
3280af22 | 3207 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3208 | init_debugger(); |
ed094faf | 3209 | } |
79072805 LW |
3210 | return s; |
3211 | case 'D': | |
0453d815 | 3212 | { |
79072805 | 3213 | #ifdef DEBUGGING |
f20b2998 | 3214 | forbid_setid('D', FALSE); |
b4ab917c | 3215 | s++; |
dd374669 | 3216 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3217 | #else /* !DEBUGGING */ |
0453d815 | 3218 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3219 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3220 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3221 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3222 | #endif |
79072805 | 3223 | return s; |
0453d815 | 3224 | } |
4633a7c4 | 3225 | case 'h': |
b6f82619 | 3226 | usage(); |
79072805 | 3227 | case 'i': |
43c5f42d | 3228 | Safefree(PL_inplace); |
c030f24b GH |
3229 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3230 | if (*(s+1) == '\0') { | |
c86a4f2e | 3231 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3232 | return s+1; |
3233 | } | |
3234 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3235 | { |
d4c19fe8 | 3236 | const char * const start = ++s; |
5ef5d758 NC |
3237 | while (*s && !isSPACE(*s)) |
3238 | ++s; | |
3239 | ||
3240 | PL_inplace = savepvn(start, s - start); | |
3241 | } | |
7b8d334a | 3242 | if (*s) { |
5ef5d758 | 3243 | ++s; |
7b8d334a | 3244 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3245 | s++; |
7b8d334a | 3246 | } |
fb73857a | 3247 | return s; |
4e49a025 | 3248 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3249 | forbid_setid('I', FALSE); |
fb73857a | 3250 | ++s; |
3251 | while (*s && isSPACE(*s)) | |
3252 | ++s; | |
3253 | if (*s) { | |
c7030b81 | 3254 | const char *e, *p; |
0df16ed7 GS |
3255 | p = s; |
3256 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3257 | do { | |
3258 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3259 | p = e; | |
3260 | while (isSPACE(*p)) | |
3261 | p++; | |
3262 | } while (*p && *p != '-'); | |
55b4bc1c | 3263 | incpush(s, e-s, |
e28f3139 | 3264 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3265 | s = p; |
3266 | if (*s == '-') | |
3267 | s++; | |
79072805 LW |
3268 | } |
3269 | else | |
a67e862a | 3270 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3271 | return s; |
79072805 | 3272 | case 'l': |
3280af22 | 3273 | PL_minus_l = TRUE; |
79072805 | 3274 | s++; |
7889fe52 NIS |
3275 | if (PL_ors_sv) { |
3276 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3277 | PL_ors_sv = NULL; |
7889fe52 | 3278 | } |
79072805 | 3279 | if (isDIGIT(*s)) { |
53305cf1 | 3280 | I32 flags = 0; |
a3b680e6 | 3281 | STRLEN numlen; |
396482e1 | 3282 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3283 | numlen = 3 + (*s == '0'); |
3284 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3285 | s += numlen; |
3286 | } | |
3287 | else { | |
8bfdd7d9 | 3288 | if (RsPARA(PL_rs)) { |
396482e1 | 3289 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3290 | } |
3291 | else { | |
8bfdd7d9 | 3292 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3293 | } |
79072805 LW |
3294 | } |
3295 | return s; | |
1a30305b | 3296 | case 'M': |
f20b2998 | 3297 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3298 | /* FALL THROUGH */ |
3299 | case 'm': | |
f20b2998 | 3300 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3301 | if (*++s) { |
c7030b81 | 3302 | const char *start; |
b64cb68c | 3303 | const char *end; |
11343788 | 3304 | SV *sv; |
e1ec3a88 | 3305 | const char *use = "use "; |
0544e6df | 3306 | bool colon = FALSE; |
a5f75d66 | 3307 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3308 | /* Leading space on " no " is deliberate, to make both |
3309 | possibilities the same length. */ | |
3310 | if (*s == '-') { use = " no "; ++s; } | |
3311 | sv = newSVpvn(use,4); | |
a5f75d66 | 3312 | start = s; |
1a30305b | 3313 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3314 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3315 | if( *s++ == ':' ) { |
3316 | if( *s == ':' ) | |
3317 | s++; | |
3318 | else | |
3319 | colon = TRUE; | |
3320 | } | |
3321 | } | |
3322 | if (s == start) | |
3323 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3324 | option); | |
3325 | if (colon) | |
3326 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3327 | "contains single ':'", | |
63da6837 | 3328 | (int)(s - start), start, option); |
b64cb68c | 3329 | end = s + strlen(s); |
c07a80fd | 3330 | if (*s != '=') { |
b64cb68c | 3331 | sv_catpvn(sv, start, end - start); |
0544e6df | 3332 | if (option == 'm') { |
c07a80fd | 3333 | if (*s != '\0') |
cea2e8a9 | 3334 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3335 | sv_catpvs( sv, " ()"); |
c07a80fd | 3336 | } |
3337 | } else { | |
11343788 | 3338 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3339 | /* Use NUL as q''-delimiter. */ |
3340 | sv_catpvs(sv, " split(/,/,q\0"); | |
3341 | ++s; | |
3342 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3343 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3344 | } |
b64cb68c | 3345 | s = end; |
29a861e7 | 3346 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3347 | } |
3348 | else | |
0544e6df | 3349 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3350 | return s; |
79072805 | 3351 | case 'n': |
3280af22 | 3352 | PL_minus_n = TRUE; |
79072805 LW |
3353 | s++; |
3354 | return s; | |
3355 | case 'p': | |
3280af22 | 3356 | PL_minus_p = TRUE; |
79072805 LW |
3357 | s++; |
3358 | return s; | |
3359 | case 's': | |
f20b2998 | 3360 | forbid_setid('s', FALSE); |
3280af22 | 3361 | PL_doswitches = TRUE; |
79072805 LW |
3362 | s++; |
3363 | return s; | |
6537fe72 | 3364 | case 't': |
27a6968b | 3365 | case 'T': |
284167a5 S |
3366 | #if SILENT_NO_TAINT_SUPPORT |
3367 | /* silently ignore */ | |
3368 | #elif NO_TAINT_SUPPORT | |
3231f579 | 3369 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3370 | "Cowardly refusing to run with -t or -T flags"); |
3371 | #else | |
3372 | if (!TAINTING_get) | |
27a6968b | 3373 | TOO_LATE_FOR(*s); |
284167a5 | 3374 | #endif |
6537fe72 | 3375 | s++; |
463ee0b2 | 3376 | return s; |
79072805 | 3377 | case 'u': |
3280af22 | 3378 | PL_do_undump = TRUE; |
79072805 LW |
3379 | s++; |
3380 | return s; | |
3381 | case 'U': | |
3280af22 | 3382 | PL_unsafe = TRUE; |
79072805 LW |
3383 | s++; |
3384 | return s; | |
3385 | case 'v': | |
c4bc78d9 NC |
3386 | minus_v(); |
3387 | case 'w': | |
3388 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3389 | PL_dowarn |= G_WARN_ON; | |
3390 | } | |
3391 | s++; | |
3392 | return s; | |
3393 | case 'W': | |
3394 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3395 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3396 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3397 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3398 | s++; | |
3399 | return s; | |
3400 | case 'X': | |
3401 | PL_dowarn = G_WARN_ALL_OFF; | |
3402 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3403 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3404 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3405 | s++; | |
3406 | return s; | |
3407 | case '*': | |
3408 | case ' ': | |
3409 | while( *s == ' ' ) | |
3410 | ++s; | |
3411 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3412 | return s+1; | |
3413 | break; | |
3414 | case '-': | |
3415 | case 0: | |
3416 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3417 | case '\r': | |
3418 | #endif | |
3419 | case '\n': | |
3420 | case '\t': | |
3421 | break; | |
3422 | #ifdef ALTERNATE_SHEBANG | |
3423 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3424 | break; | |
3425 | #endif | |
4bb78d63 CB |
3426 | case 'e': case 'f': case 'x': case 'E': |
3427 | #ifndef ALTERNATE_SHEBANG | |
3428 | case 'S': | |
3429 | #endif | |
3430 | case 'V': | |
c4bc78d9 | 3431 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3432 | default: |
3433 | Perl_croak(aTHX_ | |
3434 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3435 | ); | |
c4bc78d9 NC |
3436 | } |
3437 | return NULL; | |
3438 | } | |
3439 | ||
3440 | ||
3441 | STATIC void | |
3442 | S_minus_v(pTHX) | |
3443 | { | |
fc3381af | 3444 | PerlIO * PIO_stdout; |
46807d8e | 3445 | { |
709aee94 DD |
3446 | const char * const level_str = "v" PERL_VERSION_STRING; |
3447 | const STRLEN level_len = sizeof("v" PERL_VERSION_STRING)-1; | |
46807d8e | 3448 | #ifdef PERL_PATCHNUM |
709aee94 | 3449 | SV* level; |
23d483e2 | 3450 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
709aee94 | 3451 | static const char num [] = PERL_PATCHNUM "*"; |
23d483e2 | 3452 | # else |
709aee94 | 3453 | static const char num [] = PERL_PATCHNUM; |
23d483e2 | 3454 | # endif |
fc3381af | 3455 | { |
709aee94 DD |
3456 | const STRLEN num_len = sizeof(num)-1; |
3457 | /* A very advanced compiler would fold away the strnEQ | |
3458 | and this whole conditional, but most (all?) won't do it. | |
3459 | SV level could also be replaced by with preprocessor | |
3460 | catenation. | |
3461 | */ | |
3462 | if (num_len >= level_len && strnEQ(num,level_str,level_len)) { | |
3463 | /* per 46807d8e80, PERL_PATCHNUM is outside of the control | |
3464 | of the interp so it might contain format characters | |
3465 | */ | |
3466 | level = newSVpvn(num, num_len); | |
fc3381af | 3467 | } else { |
709aee94 | 3468 | level = Perl_newSVpvf_nocontext("%s (%s)", level_str, num); |
fc3381af | 3469 | } |
46807d8e | 3470 | } |
709aee94 DD |
3471 | #else |
3472 | SV* level = newSVpvn(level_str, level_len); | |
3473 | #endif /* #ifdef PERL_PATCHNUM */ | |
fc3381af DD |
3474 | PIO_stdout = PerlIO_stdout(); |
3475 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3476 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3477 | ", version " STRINGIFY(PERL_VERSION) | |
3478 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3479 | " (%"SVf") built for " ARCHNAME, level | |
3480 | ); | |
709aee94 | 3481 | SvREFCNT_dec_NN(level); |
46807d8e | 3482 | } |
fb73857a | 3483 | #if defined(LOCAL_PATCH_COUNT) |
3484 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3485 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3486 | "\n(with %d registered patch%s, " |
3487 | "see perl -V for more detail)", | |
bb7a0f54 | 3488 | LOCAL_PATCH_COUNT, |
b0e47665 | 3489 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3490 | #endif |
1a30305b | 3491 | |
fc3381af | 3492 | PerlIO_printf(PIO_stdout, |
d907e2e9 | 3493 | "\n\nCopyright 1987-2013, Larry Wall\n"); |
79072805 | 3494 | #ifdef MSDOS |
fc3381af | 3495 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3496 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3497 | #endif |
3498 | #ifdef DJGPP | |
fc3381af | 3499 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3500 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3501 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3502 | #endif |
79072805 | 3503 | #ifdef OS2 |
fc3381af | 3504 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3505 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3506 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3507 | #endif |
9d116dd7 | 3508 | #ifdef OEMVS |
fc3381af | 3509 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3510 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3511 | #endif |
495c5fdc | 3512 | #ifdef __VOS__ |
fc3381af | 3513 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3514 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3515 | #endif |
a1a0e61e | 3516 | #ifdef POSIX_BC |
fc3381af | 3517 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3518 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3519 | #endif |
e1caacb4 | 3520 | #ifdef UNDER_CE |
fc3381af DD |
3521 | PerlIO_printf(PIO_stdout, |
3522 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3523 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3524 | wce_hitreturn(); |
3525 | #endif | |
a0fd4948 | 3526 | #ifdef __SYMBIAN32__ |
fc3381af | 3527 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3528 | "Symbian port by Nokia, 2004-2005\n"); |
3529 | #endif | |
baed7233 DL |
3530 | #ifdef BINARY_BUILD_NOTICE |
3531 | BINARY_BUILD_NOTICE; | |
3532 | #endif | |
fc3381af | 3533 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3534 | "\n\ |
79072805 | 3535 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3536 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3537 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3538 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3539 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3540 | my_exit(0); |
79072805 LW |
3541 | } |
3542 | ||
3543 | /* compliments of Tom Christiansen */ | |
3544 | ||
3545 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3546 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3547 | |
25bbd826 CB |
3548 | #ifdef VMS |
3549 | #include <lib$routines.h> | |
3550 | #endif | |
3551 | ||
79072805 | 3552 | void |
864dbfa3 | 3553 | Perl_my_unexec(pTHX) |
79072805 | 3554 | { |
b37c2d43 | 3555 | PERL_UNUSED_CONTEXT; |
79072805 | 3556 | #ifdef UNEXEC |
b37c2d43 AL |
3557 | SV * prog = newSVpv(BIN_EXP, 0); |
3558 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3559 | int status = 1; |
79072805 LW |
3560 | extern int etext; |
3561 | ||
396482e1 | 3562 | sv_catpvs(prog, "/perl"); |
396482e1 | 3563 | sv_catpvs(file, ".perldump"); |
79072805 | 3564 | |
ee580363 GS |
3565 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3566 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3567 | PerlProc_exit(status); |
79072805 | 3568 | #else |
a5f75d66 | 3569 | # ifdef VMS |
a5f75d66 | 3570 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 YO |
3571 | # elif defined(WIN32) || defined(__CYGWIN__) |
3572 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3573 | # else |
79072805 | 3574 | ABORT(); /* for use with undump */ |
aa689395 | 3575 | # endif |
a5f75d66 | 3576 | #endif |
79072805 LW |
3577 | } |
3578 | ||
cb68f92d GS |
3579 | /* initialize curinterp */ |
3580 | STATIC void | |
cea2e8a9 | 3581 | S_init_interp(pTHX) |
cb68f92d | 3582 | { |
97aff369 | 3583 | dVAR; |
acfe0abc | 3584 | #ifdef MULTIPLICITY |
115ff745 NC |
3585 | # define PERLVAR(prefix,var,type) |
3586 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3587 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3588 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3589 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3590 | # else |
115ff745 NC |
3591 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3592 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3593 | # endif |
acfe0abc | 3594 | # include "intrpvar.h" |
acfe0abc GS |
3595 | # undef PERLVAR |
3596 | # undef PERLVARA | |
3597 | # undef PERLVARI | |
3598 | # undef PERLVARIC | |
3599 | #else | |
115ff745 NC |
3600 | # define PERLVAR(prefix,var,type) |
3601 | # define PERLVARA(prefix,var,n,type) | |
3602 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3603 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3604 | # include "intrpvar.h" |
acfe0abc GS |
3605 | # undef PERLVAR |
3606 | # undef PERLVARA | |
3607 | # undef PERLVARI | |
3608 | # undef PERLVARIC | |
cb68f92d GS |
3609 | #endif |
3610 | ||
cb68f92d GS |
3611 | } |
3612 | ||
76e3520e | 3613 | STATIC void |
cea2e8a9 | 3614 | S_init_main_stash(pTHX) |
79072805 | 3615 | { |
97aff369 | 3616 | dVAR; |
463ee0b2 | 3617 | GV *gv; |
6e72f9df | 3618 | |
03d9f026 | 3619 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3620 | /* We know that the string "main" will be in the global shared string |
3621 | table, so it's a small saving to use it rather than allocate another | |
3622 | 8 bytes. */ | |
18916d0d | 3623 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3624 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3625 | /* If we hadn't caused another reference to "main" to be in the shared |
3626 | string table above, then it would be worth reordering these two, | |
3627 | because otherwise all we do is delete "main" from it as a consequence | |
3628 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3629 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3630 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3631 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3632 | SvREADONLY_on(gv); |
fafc274c NC |
3633 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3634 | SVt_PVAV))); | |
5a5094bd | 3635 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3636 | GvMULTI_on(PL_incgv); |
fafc274c | 3637 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3638 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3639 | GvMULTI_on(PL_hintgv); |
fafc274c | 3640 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3641 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3642 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3643 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3644 | GvMULTI_on(PL_errgv); |
fafc274c | 3645 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3646 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3647 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3648 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3649 | #ifdef PERL_DONT_CREATE_GVSV |
3650 | gv_SVadd(PL_errgv); | |
3651 | #endif | |
38a03e6e | 3652 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3653 | CLEAR_ERRSV(); |
03d9f026 | 3654 | SET_CURSTASH(PL_defstash); |
11faa288 | 3655 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3656 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3657 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3658 | SVt_PVHV)); | |
4633a7c4 | 3659 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3660 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3661 | } |
3662 | ||
8d113837 NC |
3663 | STATIC PerlIO * |
3664 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3665 | { |
fdf5d70d | 3666 | int fdscript = -1; |
8d113837 | 3667 | PerlIO *rsfp = NULL; |
27da23d5 | 3668 | dVAR; |
1dfef69b | 3669 | Stat_t tmpstatbuf; |
1b24ed4b | 3670 | |
7918f24d NC |
3671 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3672 | ||
3280af22 | 3673 | if (PL_e_script) { |
8afc33d6 | 3674 | PL_origfilename = savepvs("-e"); |
96436eeb | 3675 | } |
6c4ab083 GS |
3676 | else { |
3677 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3678 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3679 | |
3680 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3681 | const char *s = scriptname + 8; |
fdf5d70d | 3682 | fdscript = atoi(s); |
6c4ab083 GS |
3683 | while (isDIGIT(*s)) |
3684 | s++; | |
3685 | if (*s) { | |
ae3f3efd PS |
3686 | /* PSz 18 Feb 04 |
3687 | * Tell apart "normal" usage of fdscript, e.g. | |
3688 | * with bash on FreeBSD: | |
3689 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3690 | * from usage in suidperl. | |
3691 | * Does any "normal" usage leave garbage after the number??? | |
3692 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3693 | * suidperl? | |
3694 | */ | |
f20b2998 | 3695 | *suidscript = TRUE; |
ae3f3efd PS |
3696 | /* PSz 20 Feb 04 |
3697 | * Be supersafe and do some sanity-checks. | |
3698 | * Still, can we be sure we got the right thing? | |
3699 | */ | |
3700 | if (*s != '/') { | |
3701 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3702 | } | |
3703 | if (! *(s+1)) { | |
3704 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3705 | } | |
6c4ab083 | 3706 | scriptname = savepv(s + 1); |
3280af22 | 3707 | Safefree(PL_origfilename); |
dd374669 | 3708 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3709 | } |
3710 | } | |
3711 | } | |
3712 | ||
05ec9bb3 | 3713 | CopFILE_free(PL_curcop); |
57843af0 | 3714 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3715 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3716 | scriptname = (char *)""; |
fdf5d70d | 3717 | if (fdscript >= 0) { |
8d113837 | 3718 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3719 | } |
79072805 | 3720 | else if (!*scriptname) { |
cdd8118e | 3721 | forbid_setid(0, *suidscript); |
c0b3891a | 3722 | return NULL; |
79072805 | 3723 | } |
96436eeb | 3724 | else { |
9c12f1e5 RGS |
3725 | #ifdef FAKE_BIT_BUCKET |
3726 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3727 | * is called) and still have the "-e" work. (Believe it or not, | |
3728 | * a /dev/null is required for the "-e" to work because source | |
3729 | * filter magic is used to implement it. ) This is *not* a general | |
3730 | * replacement for a /dev/null. What we do here is create a temp | |
3731 | * file (an empty file), open up that as the script, and then | |
3732 | * immediately close and unlink it. Close enough for jazz. */ | |
3733 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3734 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3735 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3736 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3737 | FAKE_BIT_BUCKET_TEMPLATE | |
3738 | }; | |
3739 | const char * const err = "Failed to create a fake bit bucket"; | |
3740 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3741 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3742 | int tmpfd = mkstemp(tmpname); | |
3743 | if (tmpfd > -1) { | |
3744 | scriptname = tmpname; | |
3745 | close(tmpfd); | |
3746 | } else | |
3747 | Perl_croak(aTHX_ err); | |
3748 | #else | |
3749 | # ifdef HAS_MKTEMP | |
3750 | scriptname = mktemp(tmpname); | |
3751 | if (!scriptname) | |
3752 | Perl_croak(aTHX_ err); | |
3753 | # endif | |
3754 | #endif | |
3755 | } | |
3756 | #endif | |
8d113837 | 3757 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3758 | #ifdef FAKE_BIT_BUCKET |
3759 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3760 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3761 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3762 | unlink(scriptname); | |
3763 | } | |
3764 | scriptname = BIT_BUCKET; | |
3765 | #endif | |
96436eeb | 3766 | } |
8d113837 | 3767 | if (!rsfp) { |
447218f8 | 3768 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3769 | if (PL_e_script) |
3770 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3771 | else | |
3772 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3773 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3774 | } |
a7c81930 NC |
3775 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3776 | /* ensure close-on-exec */ | |
3777 | fcntl(PerlIO_fileno(rsfp), F_SETFD, 1); | |
3778 | #endif | |
1dfef69b RS |
3779 | |
3780 | if (PerlLIO_fstat(PerlIO_fileno(rsfp), &tmpstatbuf) >= 0 | |
3781 | && S_ISDIR(tmpstatbuf.st_mode)) | |
3782 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3783 | CopFILE(PL_curcop), | |
0c0d42ff | 3784 | Strerror(EISDIR)); |
1dfef69b | 3785 | |
8d113837 | 3786 | return rsfp; |
79072805 | 3787 | } |
8d063cd8 | 3788 | |
7b89560d JH |
3789 | /* Mention |
3790 | * I_SYSSTATVFS HAS_FSTATVFS | |
3791 | * I_SYSMOUNT | |
c890dc6c | 3792 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3793 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3794 | * here so that metaconfig picks them up. */ | |
3795 | ||
104d25b7 | 3796 | |
cc69b689 | 3797 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3798 | /* Don't even need this function. */ |
cc69b689 | 3799 | #else |
ec2019ad NC |
3800 | STATIC void |
3801 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3802 | { | |
dfff4baf BF |
3803 | const Uid_t my_uid = PerlProc_getuid(); |
3804 | const Uid_t my_euid = PerlProc_geteuid(); | |
3805 | const Gid_t my_gid = PerlProc_getgid(); | |
3806 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3807 | |
ac076a5c NC |
3808 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3809 | ||
985213f2 | 3810 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3811 | dVAR; |
3812 | ||
2f9285f8 | 3813 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
985213f2 | 3814 | if ((my_euid != my_uid && my_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3815 | || |
985213f2 | 3816 | (my_egid != my_gid && my_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3817 | ) |
b28d0864 | 3818 | if (!PL_do_undump) |
cea2e8a9 | 3819 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3820 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3821 | /* not set-id, must be wrapped */ |
a687059c | 3822 | } |
79072805 | 3823 | } |
cc69b689 | 3824 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3825 | |
76e3520e | 3826 | STATIC void |
2f9285f8 | 3827 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3828 | { |
97aff369 | 3829 | dVAR; |
c7030b81 | 3830 | const char *s; |
eb578fdb | 3831 | const char *s2; |
33b78306 | 3832 | |
7918f24d NC |
3833 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3834 | ||
33b78306 LW |
3835 | /* skip forward in input to the real script? */ |
3836 | ||
737c24fc | 3837 | do { |
2f9285f8 | 3838 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3839 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3840 | s2 = s; |
737c24fc Z |
3841 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3842 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3843 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3844 | s2 = s; | |
3845 | while (*s == ' ' || *s == '\t') s++; | |
3846 | if (*s++ == '-') { | |
3847 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3848 | || s2[-1] == '_') s2--; | |
3849 | if (strnEQ(s2-4,"perl",4)) | |
3850 | while ((s = moreswitches(s))) | |
3851 | ; | |
83025b21 LW |
3852 | } |
3853 | } | |
3854 | ||
afe37c7d | 3855 | |
76e3520e | 3856 | STATIC void |
cea2e8a9 | 3857 | S_init_ids(pTHX) |
352d5a3a | 3858 | { |
284167a5 S |
3859 | /* no need to do anything here any more if we don't |
3860 | * do tainting. */ | |
3861 | #if !NO_TAINT_SUPPORT | |
97aff369 | 3862 | dVAR; |
dfff4baf BF |
3863 | const Uid_t my_uid = PerlProc_getuid(); |
3864 | const Uid_t my_euid = PerlProc_geteuid(); | |
3865 | const Gid_t my_gid = PerlProc_getgid(); | |
3866 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3867 | |
22f7c9c9 | 3868 | /* Should not happen: */ |
985213f2 | 3869 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
3870 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
3871 | #endif | |
ae3f3efd PS |
3872 | /* BUG */ |
3873 | /* PSz 27 Feb 04 | |
3874 | * Should go by suidscript, not uid!=euid: why disallow | |
3875 | * system("ls") in scripts run from setuid things? | |
3876 | * Or, is this run before we check arguments and set suidscript? | |
3877 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3878 | * (We never have suidscript, can we be sure to have fdscript?) | |
3879 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3880 | */ | |
748a9306 | 3881 | } |
79072805 | 3882 | |
a0643315 JH |
3883 | /* This is used very early in the lifetime of the program, |
3884 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3885 | * not been initialized properly. */ |
af419de7 | 3886 | bool |
8f42b153 | 3887 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3888 | { |
c3446a78 JH |
3889 | #ifndef PERL_IMPLICIT_SYS |
3890 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3891 | * before we have an interpreter-- and the whole point of this | |
3892 | * function is to be called at such an early stage. If you are on | |
3893 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3894 | * "tainted because running with altered effective ids', you'll | |
3895 | * have to add your own checks somewhere in here. The two most | |
3896 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3897 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
3898 | Uid_t uid = PerlProc_getuid(); |
3899 | Uid_t euid = PerlProc_geteuid(); | |
3900 | Gid_t gid = PerlProc_getgid(); | |
3901 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 3902 | (void)envp; |
22f7c9c9 JH |
3903 | |
3904 | #ifdef VMS | |
af419de7 | 3905 | uid |= gid << 16; |
22f7c9c9 JH |
3906 | euid |= egid << 16; |
3907 | #endif | |
3908 | if (uid && (euid != uid || egid != gid)) | |
3909 | return 1; | |
c3446a78 | 3910 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3911 | /* This is a really primitive check; environment gets ignored only |
3912 | * if -T are the first chars together; otherwise one gets | |
3913 | * "Too late" message. */ | |
22f7c9c9 JH |
3914 | if ( argc > 1 && argv[1][0] == '-' |
3915 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3916 | return 1; | |
3917 | return 0; | |
3918 | } | |
22f7c9c9 | 3919 | |
d0bafe7e NC |
3920 | /* Passing the flag as a single char rather than a string is a slight space |
3921 | optimisation. The only message that isn't /^-.$/ is | |
3922 | "program input from stdin", which is substituted in place of '\0', which | |
3923 | could never be a command line flag. */ | |
76e3520e | 3924 | STATIC void |
f20b2998 | 3925 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 3926 | { |
97aff369 | 3927 | dVAR; |
d0bafe7e NC |
3928 | char string[3] = "-x"; |
3929 | const char *message = "program input from stdin"; | |
3930 | ||
3931 | if (flag) { | |
3932 | string[1] = flag; | |
3933 | message = string; | |
3934 | } | |
3935 | ||
ae3f3efd | 3936 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 3937 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 3938 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 3939 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 3940 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 3941 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 3942 | if (suidscript) |
d0bafe7e | 3943 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 3944 | } |
3945 | ||
1ee4443e | 3946 | void |
5b235299 NC |
3947 | Perl_init_dbargs(pTHX) |
3948 | { | |
3949 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
3950 | GV_ADDMULTI, | |
3951 | SVt_PVAV)))); | |
3952 | ||
3953 | if (AvREAL(args)) { | |
3954 | /* Someone has already created it. | |
3955 | It might have entries, and if we just turn off AvREAL(), they will | |
3956 | "leak" until global destruction. */ | |
3957 | av_clear(args); | |
3df49e2a | 3958 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 3959 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 3960 | } |
af80dd86 | 3961 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
3962 | } |
3963 | ||
3964 | void | |
1ee4443e | 3965 | Perl_init_debugger(pTHX) |
748a9306 | 3966 | { |
97aff369 | 3967 | dVAR; |
c4420975 | 3968 | HV * const ostash = PL_curstash; |
1ee4443e | 3969 | |
03d9f026 | 3970 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
3971 | |
3972 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
3973 | PL_DBgv = MUTABLE_GV( |
3974 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
3975 | ); | |
3976 | PL_DBline = MUTABLE_GV( | |
3977 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
3978 | ); | |
3979 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
3980 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
3981 | )); | |
5c1737d1 | 3982 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3983 | if (!SvIOK(PL_DBsingle)) |
3984 | sv_setiv(PL_DBsingle, 0); | |
5c1737d1 | 3985 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3986 | if (!SvIOK(PL_DBtrace)) |
3987 | sv_setiv(PL_DBtrace, 0); | |
5c1737d1 | 3988 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3989 | if (!SvIOK(PL_DBsignal)) |
3990 | sv_setiv(PL_DBsignal, 0); | |
03d9f026 | 3991 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 3992 | PL_curstash = ostash; |
352d5a3a LW |
3993 | } |
3994 | ||
2ce36478 SM |
3995 | #ifndef STRESS_REALLOC |
3996 | #define REASONABLE(size) (size) | |
0ff72558 | 3997 | #define REASONABLE_but_at_least(size,min) (size) |
2ce36478 SM |
3998 | #else |
3999 | #define REASONABLE(size) (1) /* unreasonable */ | |
0ff72558 | 4000 | #define REASONABLE_but_at_least(size,min) (min) |
2ce36478 SM |
4001 | #endif |
4002 | ||
11343788 | 4003 | void |
cea2e8a9 | 4004 | Perl_init_stacks(pTHX) |
79072805 | 4005 | { |
97aff369 | 4006 | dVAR; |
e336de0d | 4007 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4008 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4009 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4010 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4011 | PL_curstack = PL_curstackinfo->si_stack; | |
4012 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4013 | |
3280af22 NIS |
4014 | PL_stack_base = AvARRAY(PL_curstack); |
4015 | PL_stack_sp = PL_stack_base; | |
4016 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4017 | |
a02a5408 | 4018 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4019 | PL_tmps_floor = -1; |
4020 | PL_tmps_ix = -1; | |
4021 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4022 | |
a02a5408 | 4023 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4024 | PL_markstack_ptr = PL_markstack; |
4025 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4026 | |
ce2f7c3b | 4027 | SET_MARK_OFFSET; |
e336de0d | 4028 | |
a02a5408 | 4029 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4030 | #ifdef DEBUGGING |
4031 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4032 | #endif | |
3280af22 NIS |
4033 | PL_scopestack_ix = 0; |
4034 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4035 | |
0ff72558 | 4036 | Newx(PL_savestack,REASONABLE_but_at_least(128,SS_MAXPUSH),ANY); |
3280af22 | 4037 | PL_savestack_ix = 0; |
0ff72558 | 4038 | PL_savestack_max = REASONABLE_but_at_least(128,SS_MAXPUSH); |
378cc40b | 4039 | } |
33b78306 | 4040 | |
2ce36478 SM |
4041 | #undef REASONABLE |
4042 | ||
76e3520e | 4043 | STATIC void |
cea2e8a9 | 4044 | S_nuke_stacks(pTHX) |
6e72f9df | 4045 | { |
97aff369 | 4046 | dVAR; |
3280af22 NIS |
4047 | while (PL_curstackinfo->si_next) |
4048 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4049 | while (PL_curstackinfo) { | |
4050 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4051 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4052 | Safefree(PL_curstackinfo->si_cxstack); |
4053 | Safefree(PL_curstackinfo); | |
4054 | PL_curstackinfo = p; | |
e336de0d | 4055 | } |
3280af22 NIS |
4056 | Safefree(PL_tmps_stack); |
4057 | Safefree(PL_markstack); | |
4058 | Safefree(PL_scopestack); | |
58780814 GG |
4059 | #ifdef DEBUGGING |
4060 | Safefree(PL_scopestack_name); | |
4061 | #endif | |
3280af22 | 4062 | Safefree(PL_savestack); |
378cc40b | 4063 | } |
33b78306 | 4064 | |
74e8ce34 NC |
4065 | void |
4066 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4067 | { | |
4068 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4069 | AV *const isa = GvAVn(gv); | |
4070 | va_list args; | |
4071 | ||
4072 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4073 | ||
4074 | if(AvFILLp(isa) != -1) | |
4075 | return; | |
4076 | ||
4077 | /* NOTE: No support for tied ISA */ | |
4078 | ||
4079 | va_start(args, len); | |
4080 | do { | |
4081 | const char *const parent = va_arg(args, const char*); | |
4082 | size_t parent_len; | |
4083 | ||
4084 | if (!parent) | |
4085 | break; | |
4086 | parent_len = va_arg(args, size_t); | |
4087 | ||
4088 | /* Arguments are supplied with a trailing :: */ | |
4089 | assert(parent_len > 2); | |
4090 | assert(parent[parent_len - 1] == ':'); | |
4091 | assert(parent[parent_len - 2] == ':'); | |
4092 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4093 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4094 | } while (1); | |
4095 | va_end(args); | |
4096 | } | |
4097 | ||
8990e307 | 4098 | |
76e3520e | 4099 | STATIC void |
cea2e8a9 | 4100 | S_init_predump_symbols(pTHX) |
45d8adaa | 4101 | { |
97aff369 | 4102 | dVAR; |
93a17b20 | 4103 | GV *tmpgv; |
af8c498a | 4104 | IO *io; |
79072805 | 4105 | |
64ace3f8 | 4106 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4107 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4108 | ||
d963bf01 NC |
4109 | |
4110 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4111 | FileHandle was loaded, in which case they were blessed into | |
4112 | that. Action at a distance. | |
4113 | However, if we simply bless into IO::Handle, we break code | |
4114 | that assumes that PVIOs will have (among others) a seek | |
4115 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4116 | and provides the needed methods. But if we simply bless into | |
4117 | it, then we break code that assumed that by loading | |
4118 | IO::Handle, *it* would work. | |
4119 | So a compromise is to set up the correct @IO::File::ISA, | |
4120 | so that code that does C<use IO::Handle>; will still work. | |
4121 | */ | |
4122 | ||
74e8ce34 NC |
4123 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4124 | STR_WITH_LEN("IO::Handle::"), | |
4125 | STR_WITH_LEN("IO::Seekable::"), | |
4126 | STR_WITH_LEN("Exporter::"), | |
4127 | NULL); | |
d963bf01 | 4128 | |
fafc274c | 4129 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4130 | GvMULTI_on(PL_stdingv); |
af8c498a | 4131 | io = GvIOp(PL_stdingv); |
a04651f4 | 4132 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4133 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4134 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4135 | GvMULTI_on(tmpgv); |
a45c7426 | 4136 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4137 | |
fafc274c | 4138 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4139 | GvMULTI_on(tmpgv); |
af8c498a | 4140 | io = GvIOp(tmpgv); |
a04651f4 | 4141 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4142 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4143 | setdefout(tmpgv); |
fafc274c | 4144 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4145 | GvMULTI_on(tmpgv); |
a45c7426 | 4146 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4147 | |
fafc274c | 4148 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4149 | GvMULTI_on(PL_stderrgv); |
4150 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4151 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4152 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4153 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4154 | GvMULTI_on(tmpgv); |
a45c7426 | 4155 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4156 | |
de61bf2a | 4157 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4158 | } |
33b78306 | 4159 | |
a11ec5a9 | 4160 | void |
5aaab254 | 4161 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4162 | { |
97aff369 | 4163 | dVAR; |
7918f24d NC |
4164 | |
4165 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
4166 | ||
79072805 | 4167 | argc--,argv++; /* skip name of script */ |
3280af22 | 4168 | if (PL_doswitches) { |
79072805 | 4169 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4170 | char *s; |
79072805 LW |
4171 | if (!argv[0][1]) |
4172 | break; | |
379d538a | 4173 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4174 | argc--,argv++; |
4175 | break; | |
4176 | } | |
155aba94 | 4177 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4178 | const char *const start_name = argv[0] + 1; |
4179 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4180 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4181 | } |
4182 | else | |
71315bf2 | 4183 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4184 | } |
79072805 | 4185 | } |
fafc274c | 4186 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4187 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4188 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4189 | av_clear(GvAVn(PL_argvgv)); |
4190 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4191 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4192 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4193 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4194 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4195 | SvUTF8_on(sv); | |
4196 | } | |
a05d7ebb JH |
4197 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4198 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4199 | } |
4200 | } | |
82f96200 JL |
4201 | |
4202 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4203 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4204 | "-i used with no filenames on the command line, " | |
4205 | "reading from STDIN"); | |
a11ec5a9 RGS |
4206 | } |
4207 | ||
4208 | STATIC void | |
5aaab254 | 4209 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4210 | { |
27da23d5 | 4211 | dVAR; |
a11ec5a9 | 4212 | GV* tmpgv; |
a11ec5a9 | 4213 | |
7918f24d NC |
4214 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4215 | ||
f2da823f | 4216 | PL_toptarget = newSV_type(SVt_PVIV); |
76f68e9b | 4217 | sv_setpvs(PL_toptarget, ""); |
f2da823f | 4218 | PL_bodytarget = newSV_type(SVt_PVIV); |
76f68e9b | 4219 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4220 | PL_formtarget = PL_bodytarget; |
79072805 | 4221 | |
bbce6d69 | 4222 | TAINT; |
a11ec5a9 RGS |
4223 | |
4224 | init_argv_symbols(argc,argv); | |
4225 | ||
fafc274c | 4226 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4227 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4228 | } |
fafc274c | 4229 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4230 | HV *hv; |
e17132c1 | 4231 | bool env_is_not_environ; |
cf93a474 | 4232 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4233 | GvMULTI_on(PL_envgv); |
4234 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4235 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4236 | #ifndef PERL_MICRO |
fa6a1c44 | 4237 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4238 | /* Note that if the supplied env parameter is actually a copy |
4239 | of the global environ then it may now point to free'd memory | |
4240 | if the environment has been modified since. To avoid this | |
4241 | problem we treat env==NULL as meaning 'use the default' | |
4242 | */ | |
4243 | if (!env) | |
4244 | env = environ; | |
e17132c1 JD |
4245 | env_is_not_environ = env != environ; |
4246 | if (env_is_not_environ | |
4efc5df6 GS |
4247 | # ifdef USE_ITHREADS |
4248 | && PL_curinterp == aTHX | |
4249 | # endif | |
4250 | ) | |
4251 | { | |
bd61b366 | 4252 | environ[0] = NULL; |
4efc5df6 | 4253 | } |
9b4eeda5 | 4254 | if (env) { |
9d27dca9 | 4255 | char *s, *old_var; |
27da23d5 | 4256 | SV *sv; |
764df951 | 4257 | for (; *env; env++) { |
9d27dca9 MT |
4258 | old_var = *env; |
4259 | ||
4260 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4261 | continue; |
9d27dca9 | 4262 | |
7da0e383 | 4263 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4264 | *s = '\0'; |
9d27dca9 | 4265 | (void)strupr(old_var); |
61968511 | 4266 | *s = '='; |
137443ea | 4267 | #endif |
61968511 | 4268 | sv = newSVpv(s+1, 0); |
9d27dca9 | 4269 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 4270 | if (env_is_not_environ) |
61968511 | 4271 | mg_set(sv); |
764df951 | 4272 | } |
9b4eeda5 | 4273 | } |
103a7189 | 4274 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4275 | #endif /* !PERL_MICRO */ |
79072805 | 4276 | } |
bbce6d69 | 4277 | TAINT_NOT; |
2710853f MJD |
4278 | |
4279 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4280 | if (PL_minus_a) { | |
cbfd0a87 | 4281 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4282 | } |
33b78306 | 4283 | } |
34de22dd | 4284 | |
76e3520e | 4285 | STATIC void |
2cace6ac | 4286 | S_init_perllib(pTHX) |
34de22dd | 4287 | { |
97aff369 | 4288 | dVAR; |
32910c7a | 4289 | #ifndef VMS |
929e5b34 | 4290 | const char *perl5lib = NULL; |
32910c7a | 4291 | #endif |
35ba5ce9 | 4292 | const char *s; |
a7560424 | 4293 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4294 | STRLEN len; |
4295 | #endif | |
4296 | ||
284167a5 | 4297 | if (!TAINTING_get) { |
552a7a9b | 4298 | #ifndef VMS |
32910c7a | 4299 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4300 | /* |
4301 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4302 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4303 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4304 | */ |
4305 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4306 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4307 | #else |
32910c7a | 4308 | if (perl5lib) |
88f5bc07 | 4309 | #endif |
32910c7a | 4310 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4311 | else { |
4705144d NC |
4312 | s = PerlEnv_getenv("PERLLIB"); |
4313 | if (s) | |
50d61629 | 4314 | incpush_use_sep(s, 0, 0); |
4705144d | 4315 | } |
552a7a9b | 4316 | #else /* VMS */ |
4317 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4318 | * "natural" VMS idiom for a Unix path string. We allow each | |
4319 | * element to be a set of |-separated directories for compatibility. | |
4320 | */ | |
4321 | char buf[256]; | |
4322 | int idx = 0; | |
4323 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4324 | do { |
2cace6ac | 4325 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4326 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4327 | else { |
e28f3139 | 4328 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4329 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4330 | } |
552a7a9b | 4331 | #endif /* VMS */ |
85e6fe83 | 4332 | } |
34de22dd | 4333 | |
b0e687f7 NC |
4334 | #ifndef PERL_IS_MINIPERL |
4335 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4336 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4337 | ||
c90c0ff4 | 4338 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4339 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4340 | */ |
4633a7c4 | 4341 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4342 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4343 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4344 | #endif |
4633a7c4 | 4345 | |
65f19062 | 4346 | #ifdef SITEARCH_EXP |
3b290362 GS |
4347 | /* sitearch is always relative to sitelib on Windows for |
4348 | * DLL-based path intuition to work correctly */ | |
4349 | # if !defined(WIN32) | |
be71fc8f NC |
4350 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4351 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4352 | # endif |
4353 | #endif | |
4354 | ||
4633a7c4 | 4355 | #ifdef SITELIB_EXP |
65f19062 | 4356 | # if defined(WIN32) |
574c798a | 4357 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4358 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4359 | if (s) |
e6a0bbf8 | 4360 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4361 | # else |
50d61629 | 4362 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4363 | # endif |
4364 | #endif | |
189d1e8d | 4365 | |
65f19062 | 4366 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4367 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4368 | * DLL-based path intuition to work correctly */ |
4369 | # if !defined(WIN32) | |
be71fc8f NC |
4370 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4371 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4372 | # endif |
4b03c463 | 4373 | #endif |
65f19062 GS |
4374 | |
4375 | #ifdef PERL_VENDORLIB_EXP | |
4376 | # if defined(WIN32) | |
e28f3139 | 4377 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4378 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4379 | if (s) |
e6a0bbf8 | 4380 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4381 | # else |
be71fc8f NC |
4382 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4383 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4384 | # endif |
a3635516 | 4385 | #endif |
65f19062 | 4386 | |
b9ba2fad | 4387 | #ifdef ARCHLIB_EXP |
2cace6ac | 4388 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4389 | #endif |
4390 | ||
4391 | #ifndef PRIVLIB_EXP | |
4392 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4393 | #endif | |
4394 | ||
4395 | #if defined(WIN32) | |
2cace6ac NC |
4396 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4397 | if (s) | |
4398 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4399 | #else |
04c9eecc | 4400 | # ifdef NETWARE |
2cace6ac | 4401 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4402 | # else |
2cace6ac | 4403 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4404 | # endif |
b9ba2fad NC |
4405 | #endif |
4406 | ||
3b777bb4 | 4407 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4408 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4409 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4410 | |INCPUSH_CAN_RELOCATE); |
4411 | #endif | |
2cace6ac | 4412 | |
284167a5 | 4413 | if (!TAINTING_get) { |
2cace6ac | 4414 | #ifndef VMS |
2cace6ac NC |
4415 | /* |
4416 | * It isn't possible to delete an environment variable with | |
4417 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4418 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4419 | */ | |
4420 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4421 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4422 | #else |
32910c7a | 4423 | if (perl5lib) |
2cace6ac | 4424 | #endif |
32910c7a NC |
4425 | incpush_use_sep(perl5lib, 0, |
4426 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4427 | #else /* VMS */ |
4428 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4429 | * "natural" VMS idiom for a Unix path string. We allow each | |
4430 | * element to be a set of |-separated directories for compatibility. | |
4431 | */ | |
4432 | char buf[256]; | |
4433 | int idx = 0; | |
4434 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4435 | do { | |
be71fc8f NC |
4436 | incpush_use_sep(buf, 0, |
4437 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4438 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4439 | #endif /* VMS */ | |
a26c0e28 | 4440 | } |
2cace6ac NC |
4441 | |
4442 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4443 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4444 | */ |
4445 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4446 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4447 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4448 | #endif |
4449 | ||
2cace6ac NC |
4450 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4451 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4452 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4453 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4454 | #endif |
4455 | ||
4456 | ||
4457 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4458 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4459 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4460 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4461 | #endif |
4462 | ||
4463 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4464 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4465 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4466 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4467 | #endif |
b0e687f7 | 4468 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4469 | |
284167a5 | 4470 | if (!TAINTING_get) |
55b4bc1c | 4471 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4472 | } |
4473 | ||
739a0b84 | 4474 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4475 | # define PERLLIB_SEP ';' |
4476 | #else | |
4477 | # if defined(VMS) | |
4478 | # define PERLLIB_SEP '|' | |
4479 | # else | |
e37778c2 | 4480 | # define PERLLIB_SEP ':' |
774d564b | 4481 | # endif |
4482 | #endif | |
4483 | #ifndef PERLLIB_MANGLE | |
4484 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4485 | #endif |
774d564b | 4486 | |
59d6f6a4 | 4487 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4488 | /* Push a directory onto @INC if it exists. |
4489 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4490 | onto @INC */ | |
4491 | STATIC SV * | |
7ffdaae6 | 4492 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4493 | { |
97aff369 | 4494 | dVAR; |
ad17a1ae | 4495 | Stat_t tmpstatbuf; |
7918f24d NC |
4496 | |
4497 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4498 | ||
848ef955 | 4499 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4500 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4501 | av_push(av, dir); |
7ffdaae6 NC |
4502 | dir = newSVsv(stem); |
4503 | } else { | |
4504 | /* Truncate dir back to stem. */ | |
4505 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4506 | } |
4507 | return dir; | |
4508 | } | |
59d6f6a4 | 4509 | #endif |
ad17a1ae | 4510 | |
c29067d7 CH |
4511 | STATIC SV * |
4512 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4513 | { |
6434436b | 4514 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4515 | SV *libdir; |
774d564b | 4516 | |
c29067d7 | 4517 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4518 | assert(len > 0); |
3a9a9ba7 | 4519 | |
d2898d73 EB |
4520 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4521 | defined to so something (in os2/os2.c), but the code has been | |
4522 | this way, ignoring any possible changed of length, since | |
4523 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4524 | it be. */ | |
4525 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4526 | |
81600524 | 4527 | #ifdef VMS |
db12e2d3 | 4528 | { |
81600524 | 4529 | char *unix; |
81600524 CB |
4530 | |
4531 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4532 | len = strlen(unix); | |
f420cce1 | 4533 | while (len > 1 && unix[len-1] == '/') len--; /* Cosmetic */ |
81600524 CB |
4534 | sv_usepvn(libdir,unix,len); |
4535 | } | |
4536 | else | |
4537 | PerlIO_printf(Perl_error_log, | |
4538 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4539 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4540 | } |
81600524 CB |
4541 | #endif |
4542 | ||
dd374669 AL |
4543 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4544 | parameter. */ | |
4545 | if (canrelocate) { | |
88fe16b2 NC |
4546 | #ifdef PERL_RELOCATABLE_INC |
4547 | /* | |
4548 | * Relocatable include entries are marked with a leading .../ | |
4549 | * | |
4550 | * The algorithm is | |
4551 | * 0: Remove that leading ".../" | |
4552 | * 1: Remove trailing executable name (anything after the last '/') | |
4553 | * from the perl path to give a perl prefix | |
4554 | * Then | |
4555 | * While the @INC element starts "../" and the prefix ends with a real | |
4556 | * directory (ie not . or ..) chop that real directory off the prefix | |
4557 | * and the leading "../" from the @INC element. ie a logical "../" | |
4558 | * cleanup | |
4559 | * Finally concatenate the prefix and the remainder of the @INC element | |
4560 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4561 | * generates /usr/local/lib/perl5 | |
4562 | */ | |
890ce7af | 4563 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4564 | STRLEN libpath_len = SvCUR(libdir); |
4565 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4566 | /* Game on! */ | |
890ce7af | 4567 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4568 | /* Going to use the SV just as a scratch buffer holding a C |
4569 | string: */ | |
4570 | SV *prefix_sv; | |
4571 | char *prefix; | |
4572 | char *lastslash; | |
4573 | ||
4574 | /* $^X is *the* source of taint if tainting is on, hence | |
4575 | SvPOK() won't be true. */ | |
4576 | assert(caret_X); | |
4577 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4578 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4579 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4580 | /* Firstly take off the leading .../ |
4581 | If all else fail we'll do the paths relative to the current | |
4582 | directory. */ | |
4583 | sv_chop(libdir, libpath + 4); | |
4584 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4585 | mortal copies that the mg_get of tainting creates, and | |
4586 | corruption that seems to come via the save stack. | |
4587 | I guess that the save stack isn't correctly set up yet. */ | |
4588 | libpath = SvPVX(libdir); | |
4589 | libpath_len = SvCUR(libdir); | |
4590 | ||
4591 | /* This would work more efficiently with memrchr, but as it's | |
4592 | only a GNU extension we'd need to probe for it and | |
4593 | implement our own. Not hard, but maybe not worth it? */ | |
4594 | ||
4595 | prefix = SvPVX(prefix_sv); | |
4596 | lastslash = strrchr(prefix, '/'); | |
4597 | ||
4598 | /* First time in with the *lastslash = '\0' we just wipe off | |
4599 | the trailing /perl from (say) /usr/foo/bin/perl | |
4600 | */ | |
4601 | if (lastslash) { | |
4602 | SV *tempsv; | |
4603 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4604 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4605 | && (lastslash = strrchr(prefix, '/')))) { | |
4606 | if (lastslash[1] == '\0' | |
4607 | || (lastslash[1] == '.' | |
4608 | && (lastslash[2] == '/' /* ends "/." */ | |
4609 | || (lastslash[2] == '/' | |
4610 | && lastslash[3] == '/' /* or "/.." */ | |
4611 | )))) { | |
4612 | /* Prefix ends "/" or "/." or "/..", any of which | |
4613 | are fishy, so don't do any more logical cleanup. | |
4614 | */ | |
4615 | break; | |
4616 | } | |
4617 | /* Remove leading "../" from path */ | |
4618 | libpath += 3; | |
4619 | libpath_len -= 3; | |
4620 | /* Next iteration round the loop removes the last | |
4621 | directory name from prefix by writing a '\0' in | |
4622 | the while clause. */ | |
4623 | } | |
4624 | /* prefix has been terminated with a '\0' to the correct | |
4625 | length. libpath points somewhere into the libdir SV. | |
4626 | We need to join the 2 with '/' and drop the result into | |
4627 | libdir. */ | |
4628 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4629 | SvREFCNT_dec(libdir); | |
4630 | /* And this is the new libdir. */ | |
4631 | libdir = tempsv; | |
284167a5 | 4632 | if (TAINTING_get && |
985213f2 AB |
4633 | (PerlProc_getuid() != PerlProc_geteuid() || |
4634 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4635 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4636 | SvTAINTED_on(libdir); |
4637 | } | |
4638 | } | |
4639 | SvREFCNT_dec(prefix_sv); | |
4640 | } | |
88fe16b2 | 4641 | #endif |
dd374669 | 4642 | } |
c29067d7 | 4643 | return libdir; |
c29067d7 CH |
4644 | } |
4645 | ||
4646 | STATIC void | |
4647 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4648 | { | |
4649 | dVAR; | |
4650 | #ifndef PERL_IS_MINIPERL | |
4651 | const U8 using_sub_dirs | |
4652 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4653 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4654 | const U8 add_versioned_sub_dirs | |
4655 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4656 | const U8 add_archonly_sub_dirs | |
4657 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4658 | #ifdef PERL_INC_VERSION_LIST | |
4659 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4660 | #endif | |
4661 | #endif | |
4662 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4663 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4664 | AV *const inc = GvAVn(PL_incgv); | |
4665 | ||
4666 | PERL_ARGS_ASSERT_INCPUSH; | |
4667 | assert(len > 0); | |
4668 | ||
4669 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4670 | re-indenting diff noise. */ | |
4671 | { | |
5a702b9a | 4672 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4673 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4674 | arranged to unshift #! line -I onto the front of @INC. However, | |
4675 | -I can add version and architecture specific libraries, and they | |
4676 | need to go first. The old code assumed that it was always | |
4677 | pushing. Hence to make it work, need to push the architecture | |
4678 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4679 | the front of @INC. */ | |
4680 | #ifndef PERL_IS_MINIPERL | |
4681 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4682 | |
774d564b | 4683 | /* |
4684 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4685 | * archname-specific sub-directories. | |
4686 | */ | |
ee80e7be | 4687 | if (using_sub_dirs) { |
5a702b9a | 4688 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4689 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4690 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4691 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4692 | const char * const *incver; | |
29d82f8d | 4693 | #endif |
7ffdaae6 | 4694 | |
1e3208d8 | 4695 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4696 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4697 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4698 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4699 | |
9c8a64f0 | 4700 | /* .../version if -d .../version */ |
e51b748d | 4701 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4702 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4703 | } |
9c8a64f0 | 4704 | |
9c8a64f0 | 4705 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4706 | if (addoldvers) { |
9c8a64f0 GS |
4707 | for (incver = incverlist; *incver; incver++) { |
4708 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4709 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4710 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4711 | } |
4712 | } | |
29d82f8d | 4713 | #endif |
c992324b | 4714 | |
1e3208d8 | 4715 | if (add_archonly_sub_dirs) { |
c992324b | 4716 | /* .../archname if -d .../archname */ |
e51b748d | 4717 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4718 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4719 | |
4720 | } | |
10cc20f6 NC |
4721 | |
4722 | assert (SvREFCNT(subdir) == 1); | |
4723 | SvREFCNT_dec(subdir); | |
774d564b | 4724 | } |
59d6f6a4 | 4725 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4726 | /* finally add this lib directory at the end of @INC */ |
4727 | if (unshift) { | |
76895e89 | 4728 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4729 | const Size_t extra = 0; |
76895e89 | 4730 | #else |
c70927a6 | 4731 | Size_t extra = av_len(av) + 1; |
76895e89 | 4732 | #endif |
a26c0e28 NC |
4733 | av_unshift(inc, extra + push_basedir); |
4734 | if (push_basedir) | |
4735 | av_store(inc, extra, libdir); | |
76895e89 | 4736 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4737 | while (extra--) { |
4738 | /* av owns a reference, av_store() expects to be donated a | |
4739 | reference, and av expects to be sane when it's cleared. | |
4740 | If I wanted to be naughty and wrong, I could peek inside the | |
4741 | implementation of av_clear(), realise that it uses | |
4742 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4743 | and so directly steal from it (with a memcpy() to inc, and | |
4744 | then memset() to NULL them out. But people copy code from the | |
4745 | core expecting it to be best practise, so let's use the API. | |
4746 | Although studious readers will note that I'm not checking any | |
4747 | return codes. */ | |
4748 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4749 | } | |
4750 | SvREFCNT_dec(av); | |
59d6f6a4 | 4751 | #endif |
20189146 | 4752 | } |
a26c0e28 | 4753 | else if (push_basedir) { |
3a9a9ba7 | 4754 | av_push(inc, libdir); |
20189146 | 4755 | } |
a26c0e28 NC |
4756 | |
4757 | if (!push_basedir) { | |
4758 | assert (SvREFCNT(libdir) == 1); | |
4759 | SvREFCNT_dec(libdir); | |
4760 | } | |
774d564b | 4761 | } |
34de22dd | 4762 | } |
93a17b20 | 4763 | |
55b4bc1c | 4764 | STATIC void |
50d61629 | 4765 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4766 | { |
50d61629 NC |
4767 | const char *s; |
4768 | const char *end; | |
55b4bc1c NC |
4769 | /* This logic has been broken out from S_incpush(). It may be possible to |
4770 | simplify it. */ | |
4771 | ||
4705144d NC |
4772 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4773 | ||
f31c6eed JD |
4774 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4775 | * argument to incpush_use_sep. This allows creation of relocatable | |
4776 | * Perl distributions that patch the binary at install time. Those | |
4777 | * distributions will have to provide their own relocation tools; this | |
4778 | * is not a feature otherwise supported by core Perl. | |
4779 | */ | |
4780 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4781 | if (!len) |
f31c6eed | 4782 | #endif |
50d61629 NC |
4783 | len = strlen(p); |
4784 | ||
4785 | end = p + len; | |
4786 | ||
55b4bc1c | 4787 | /* Break at all separators */ |
e42f52dd | 4788 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4789 | if (s == p) { |
4790 | /* skip any consecutive separators */ | |
55b4bc1c | 4791 | |
55b4bc1c | 4792 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4793 | /* But you'll need to write tests */ |
55b4bc1c | 4794 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4795 | } else { |
55b4bc1c | 4796 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4797 | } |
50d61629 | 4798 | p = s + 1; |
55b4bc1c | 4799 | } |
50d61629 NC |
4800 | if (p != end) |
4801 | incpush(p, (STRLEN)(end - p), flags); | |
4802 | ||
55b4bc1c | 4803 | } |
199100c8 | 4804 | |
93a17b20 | 4805 | void |
864dbfa3 | 4806 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4807 | { |
27da23d5 | 4808 | dVAR; |
971a9dd3 | 4809 | SV *atsv; |
5f40764f | 4810 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4811 | CV *cv; |
22921e25 | 4812 | STRLEN len; |
6224f72b | 4813 | int ret; |
db36c5a1 | 4814 | dJMPENV; |
93a17b20 | 4815 | |
7918f24d NC |
4816 | PERL_ARGS_ASSERT_CALL_LIST; |
4817 | ||
e1ec3a88 | 4818 | while (av_len(paramList) >= 0) { |
ea726b52 | 4819 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4820 | if (PL_savebegin) { |
4821 | if (paramList == PL_beginav) { | |
059a8bb7 | 4822 | /* save PL_beginav for compiler */ |
ad64d0ec | 4823 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4824 | } |
4825 | else if (paramList == PL_checkav) { | |
4826 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4827 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4828 | } |
3c10abe3 AG |
4829 | else if (paramList == PL_unitcheckav) { |
4830 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4831 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4832 | } |
059a8bb7 | 4833 | } else { |
81d86705 NC |
4834 | if (!PL_madskills) |
4835 | SAVEFREESV(cv); | |
059a8bb7 | 4836 | } |
14dd3ad8 | 4837 | JMPENV_PUSH(ret); |
6224f72b | 4838 | switch (ret) { |
312caa8e | 4839 | case 0: |
81d86705 NC |
4840 | #ifdef PERL_MAD |
4841 | if (PL_madskills) | |
4842 | PL_madskills |= 16384; | |
4843 | #endif | |
d6f07c05 | 4844 | CALL_LIST_BODY(cv); |
81d86705 NC |
4845 | #ifdef PERL_MAD |
4846 | if (PL_madskills) | |
4847 | PL_madskills &= ~16384; | |
4848 | #endif | |
971a9dd3 | 4849 | atsv = ERRSV; |
10516c54 | 4850 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4851 | if (len) { |
4852 | PL_curcop = &PL_compiling; | |
57843af0 | 4853 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4854 | if (paramList == PL_beginav) |
396482e1 | 4855 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4856 | else |
4f25aa18 GS |
4857 | Perl_sv_catpvf(aTHX_ atsv, |
4858 | "%s failed--call queue aborted", | |
7d30b5c4 | 4859 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4860 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4861 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4862 | : "END"); |
312caa8e CS |
4863 | while (PL_scopestack_ix > oldscope) |
4864 | LEAVE; | |
14dd3ad8 | 4865 | JMPENV_POP; |
be2597df | 4866 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4867 | } |
85e6fe83 | 4868 | break; |
6224f72b | 4869 | case 1: |
f86702cc | 4870 | STATUS_ALL_FAILURE; |
85e6fe83 | 4871 | /* FALL THROUGH */ |
6224f72b | 4872 | case 2: |
85e6fe83 | 4873 | /* my_exit() was called */ |
3280af22 | 4874 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4875 | LEAVE; |
84902520 | 4876 | FREETMPS; |
03d9f026 | 4877 | SET_CURSTASH(PL_defstash); |
3280af22 | 4878 | PL_curcop = &PL_compiling; |
57843af0 | 4879 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4880 | JMPENV_POP; |
f86702cc | 4881 | my_exit_jump(); |
118e2215 | 4882 | assert(0); /* NOTREACHED */ |
6224f72b | 4883 | case 3: |
312caa8e CS |
4884 | if (PL_restartop) { |
4885 | PL_curcop = &PL_compiling; | |
57843af0 | 4886 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4887 | JMPENV_JUMP(3); |
85e6fe83 | 4888 | } |
5637ef5b | 4889 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
4890 | FREETMPS; |
4891 | break; | |
8990e307 | 4892 | } |
14dd3ad8 | 4893 | JMPENV_POP; |
93a17b20 | 4894 | } |
93a17b20 | 4895 | } |
93a17b20 | 4896 | |
f86702cc | 4897 | void |
864dbfa3 | 4898 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4899 | { |
97aff369 | 4900 | dVAR; |
6136213b JGM |
4901 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
4902 | abort(); | |
4903 | } | |
4904 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
4905 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 4906 | Perl_warn(aTHX_ "Unexpected exit %lu", (unsigned long)status); |
6136213b JGM |
4907 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
4908 | } | |
f86702cc | 4909 | switch (status) { |
4910 | case 0: | |
4911 | STATUS_ALL_SUCCESS; | |
4912 | break; | |
4913 | case 1: | |
4914 | STATUS_ALL_FAILURE; | |
4915 | break; | |
4916 | default: | |
6ac6a52b | 4917 | STATUS_EXIT_SET(status); |
f86702cc | 4918 | break; |
4919 | } | |
4920 | my_exit_jump(); | |
4921 | } | |
4922 | ||
4923 | void | |
864dbfa3 | 4924 | Perl_my_failure_exit(pTHX) |
f86702cc | 4925 | { |
97aff369 | 4926 | dVAR; |
f86702cc | 4927 | #ifdef VMS |
fb38d079 JM |
4928 | /* We have been called to fall on our sword. The desired exit code |
4929 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
4930 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
4931 | * that code is set. | |
fb38d079 JM |
4932 | * |
4933 | * If an error code has not been set, then force the issue. | |
4934 | */ | |
0968cdad JM |
4935 | if (MY_POSIX_EXIT) { |
4936 | ||
e08e1e1d JM |
4937 | /* According to the die_exit.t tests, if errno is non-zero */ |
4938 | /* It should be used for the error status. */ | |
0968cdad | 4939 | |
e08e1e1d JM |
4940 | if (errno == EVMSERR) { |
4941 | STATUS_NATIVE = vaxc$errno; | |
4942 | } else { | |
0968cdad | 4943 | |
e08e1e1d JM |
4944 | /* According to die_exit.t tests, if the child_exit code is */ |
4945 | /* also zero, then we need to exit with a code of 255 */ | |
4946 | if ((errno != 0) && (errno < 256)) | |
4947 | STATUS_UNIX_EXIT_SET(errno); | |
4948 | else if (STATUS_UNIX < 255) { | |
0968cdad | 4949 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
4950 | } |
4951 | ||
0968cdad | 4952 | } |
e08e1e1d JM |
4953 | |
4954 | /* The exit code could have been set by $? or vmsish which | |
4955 | * means that it may not have fatal set. So convert | |
4956 | * success/warning codes to fatal with out changing | |
4957 | * the POSIX status code. The severity makes VMS native | |
4958 | * status handling work, while UNIX mode programs use the | |
4959 | * the POSIX exit codes. | |
4960 | */ | |
4961 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
4962 | STATUS_NATIVE &= STS$M_COND_ID; | |
4963 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
4964 | } | |
0968cdad JM |
4965 | } |
4966 | else { | |
4967 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
4968 | if (vaxc$errno & 1) { | |
4969 | ||
4970 | /* So force success status to failure */ | |
4971 | if (STATUS_NATIVE & 1) | |
4972 | STATUS_ALL_FAILURE; | |
4973 | } | |
4974 | else { | |
4975 | if (!vaxc$errno) { | |
4976 | STATUS_UNIX = EINTR; /* In case something cares */ | |
4977 | STATUS_ALL_FAILURE; | |
4978 | } | |
4979 | else { | |
4980 | int severity; | |
4981 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
4982 | ||
4983 | /* Encode the severity code */ | |
4984 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
4985 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
4986 | ||
4987 | /* Perl expects this to be a fatal error */ | |
4988 | if (severity != STS$K_SEVERE) | |
4989 | STATUS_ALL_FAILURE; | |
4990 | } | |
4991 | } | |
4992 | } | |
fb38d079 | 4993 | |
f86702cc | 4994 | #else |
9b599b2a | 4995 | int exitstatus; |
f86702cc | 4996 | if (errno & 255) |
e5218da5 | 4997 | STATUS_UNIX_SET(errno); |
9b599b2a | 4998 | else { |
e5218da5 | 4999 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5000 | if (exitstatus & 255) |
e5218da5 | 5001 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5002 | else |
e5218da5 | 5003 | STATUS_UNIX_SET(255); |
9b599b2a | 5004 | } |
f86702cc | 5005 | #endif |
6136213b JGM |
5006 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5007 | abort(); | |
5008 | } | |
5009 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5010 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5011 | Perl_warn(aTHX_ "Unexpected exit failure %ld", (long)PL_statusvalue); |
6136213b JGM |
5012 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5013 | } | |
f86702cc | 5014 | my_exit_jump(); |
93a17b20 LW |
5015 | } |
5016 | ||
76e3520e | 5017 | STATIC void |
cea2e8a9 | 5018 | S_my_exit_jump(pTHX) |
f86702cc | 5019 | { |
27da23d5 | 5020 | dVAR; |
f86702cc | 5021 | |
3280af22 NIS |
5022 | if (PL_e_script) { |
5023 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5024 | PL_e_script = NULL; |
f86702cc | 5025 | } |
5026 | ||
3280af22 | 5027 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
5028 | dounwind(-1); |
5029 | LEAVE_SCOPE(0); | |
ff0cee69 | 5030 | |
6224f72b | 5031 | JMPENV_JUMP(2); |
f86702cc | 5032 | } |
873ef191 | 5033 | |
0cb96387 | 5034 | static I32 |
acfe0abc | 5035 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5036 | { |
97aff369 | 5037 | dVAR; |
9d4ba2ae AL |
5038 | const char * const p = SvPVX_const(PL_e_script); |
5039 | const char *nl = strchr(p, '\n'); | |
5040 | ||
5041 | PERL_UNUSED_ARG(idx); | |
5042 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5043 | |
3280af22 | 5044 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5045 | if (nl-p == 0) { |
0cb96387 | 5046 | filter_del(read_e_script); |
873ef191 | 5047 | return 0; |
7dfe3f66 | 5048 | } |
873ef191 | 5049 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5050 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5051 | return 1; |
5052 | } | |
66610fdd RGS |
5053 | |
5054 | /* | |
5055 | * Local variables: | |
5056 | * c-indentation-style: bsd | |
5057 | * c-basic-offset: 4 | |
14d04a33 | 5058 | * indent-tabs-mode: nil |
66610fdd RGS |
5059 | * End: |
5060 | * | |
14d04a33 | 5061 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5062 | */ |