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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 |
f3e2e262 | 6 | * 2013, 2014, 2015, 2016, 2017 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 |
a1b69980 DM |
25 | * |
26 | * Note that at build time this file is also linked to as perlmini.c, | |
27 | * and perlmini.o is then built with PERL_IS_MINIPERL defined, which is | |
28 | * then used to create the miniperl executable, rather than perl.o. | |
166f8a29 DM |
29 | */ |
30 | ||
c44493f1 | 31 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
32 | # define USE_SITECUSTOMIZE |
33 | #endif | |
34 | ||
378cc40b | 35 | #include "EXTERN.h" |
864dbfa3 | 36 | #define PERL_IN_PERL_C |
378cc40b | 37 | #include "perl.h" |
e3321bb0 | 38 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 39 | #include "XSUB.h" |
378cc40b | 40 | |
011f1a1a JH |
41 | #ifdef NETWARE |
42 | #include "nwutil.h" | |
011f1a1a JH |
43 | #endif |
44 | ||
2aa47728 | 45 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
46 | # ifdef I_SYSUIO |
47 | # include <sys/uio.h> | |
48 | # endif | |
49 | ||
50 | union control_un { | |
51 | struct cmsghdr cm; | |
52 | char control[CMSG_SPACE(sizeof(int))]; | |
53 | }; | |
54 | ||
2aa47728 NC |
55 | #endif |
56 | ||
5311654c JH |
57 | #ifndef HZ |
58 | # ifdef CLK_TCK | |
59 | # define HZ CLK_TCK | |
60 | # else | |
61 | # define HZ 60 | |
62 | # endif | |
63 | #endif | |
64 | ||
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; |
929e1213 | 96 | LOCALE_INIT; |
e6827a76 | 97 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
98 | MUTEX_INIT(&PL_my_ctx_mutex); |
99 | # endif | |
e6827a76 | 100 | } |
c0bce9aa NC |
101 | #if defined(USE_ITHREADS) |
102 | else | |
103 | #else | |
104 | /* This always happens for non-ithreads */ | |
105 | #endif | |
106 | { | |
e6827a76 NC |
107 | PERL_SET_THX(my_perl); |
108 | } | |
109 | } | |
06d86050 | 110 | |
cbec8ebe DM |
111 | |
112 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
113 | ||
114 | void | |
115 | Perl_sys_init(int* argc, char*** argv) | |
116 | { | |
4fc0badb | 117 | dVAR; |
7918f24d NC |
118 | |
119 | PERL_ARGS_ASSERT_SYS_INIT; | |
120 | ||
cbec8ebe DM |
121 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
122 | PERL_UNUSED_ARG(argv); | |
123 | PERL_SYS_INIT_BODY(argc, argv); | |
124 | } | |
125 | ||
126 | void | |
127 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
128 | { | |
4fc0badb | 129 | dVAR; |
7918f24d NC |
130 | |
131 | PERL_ARGS_ASSERT_SYS_INIT3; | |
132 | ||
cbec8ebe DM |
133 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
134 | PERL_UNUSED_ARG(argv); | |
135 | PERL_UNUSED_ARG(env); | |
136 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
137 | } | |
138 | ||
139 | void | |
88772978 | 140 | Perl_sys_term(void) |
cbec8ebe | 141 | { |
4fc0badb | 142 | dVAR; |
bf81751b DM |
143 | if (!PL_veto_cleanup) { |
144 | PERL_SYS_TERM_BODY(); | |
145 | } | |
cbec8ebe DM |
146 | } |
147 | ||
148 | ||
32e30700 GS |
149 | #ifdef PERL_IMPLICIT_SYS |
150 | PerlInterpreter * | |
7766f137 GS |
151 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
152 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
153 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
154 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
155 | struct IPerlProc* ipP) | |
156 | { | |
157 | PerlInterpreter *my_perl; | |
7918f24d NC |
158 | |
159 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
160 | ||
9f653bb5 | 161 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 162 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 163 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
164 | Zero(my_perl, 1, PerlInterpreter); |
165 | PL_Mem = ipM; | |
7766f137 GS |
166 | PL_MemShared = ipMS; |
167 | PL_MemParse = ipMP; | |
32e30700 GS |
168 | PL_Env = ipE; |
169 | PL_StdIO = ipStd; | |
170 | PL_LIO = ipLIO; | |
171 | PL_Dir = ipD; | |
172 | PL_Sock = ipS; | |
173 | PL_Proc = ipP; | |
7cb608b5 | 174 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 175 | |
32e30700 GS |
176 | return my_perl; |
177 | } | |
178 | #else | |
954c1994 GS |
179 | |
180 | /* | |
ccfc67b7 JH |
181 | =head1 Embedding Functions |
182 | ||
954c1994 GS |
183 | =for apidoc perl_alloc |
184 | ||
185 | Allocates a new Perl interpreter. See L<perlembed>. | |
186 | ||
187 | =cut | |
188 | */ | |
189 | ||
93a17b20 | 190 | PerlInterpreter * |
cea2e8a9 | 191 | perl_alloc(void) |
79072805 | 192 | { |
cea2e8a9 | 193 | PerlInterpreter *my_perl; |
79072805 | 194 | |
9f653bb5 | 195 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 196 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 197 | |
e6827a76 | 198 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 199 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 200 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
201 | #else |
202 | Zero(my_perl, 1, PerlInterpreter); | |
203 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
204 | return my_perl; | |
205 | #endif | |
79072805 | 206 | } |
32e30700 | 207 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 208 | |
954c1994 GS |
209 | /* |
210 | =for apidoc perl_construct | |
211 | ||
212 | Initializes a new Perl interpreter. See L<perlembed>. | |
213 | ||
214 | =cut | |
215 | */ | |
216 | ||
0927ade0 JC |
217 | static void |
218 | S_fixup_platform_bugs(void) | |
219 | { | |
220 | #if defined(__GLIBC__) && IVSIZE == 8 \ | |
221 | && ( __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8)) | |
222 | { | |
223 | IV l = 3; | |
224 | IV r = -10; | |
225 | /* Cannot do this check with inlined IV constants since | |
226 | * that seems to work correctly even with the buggy glibc. */ | |
227 | if (l % r == -3) { | |
228 | dTHX; | |
229 | /* Yikes, we have the bug. | |
230 | * Patch in the workaround version. */ | |
231 | PL_ppaddr[OP_I_MODULO] = &Perl_pp_i_modulo_glibc_bugfix; | |
232 | } | |
233 | } | |
234 | #endif | |
235 | } | |
236 | ||
79072805 | 237 | void |
0cb96387 | 238 | perl_construct(pTHXx) |
79072805 | 239 | { |
27da23d5 | 240 | dVAR; |
7918f24d NC |
241 | |
242 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
243 | ||
8990e307 | 244 | #ifdef MULTIPLICITY |
54aff467 | 245 | init_interp(); |
ac27b0f5 | 246 | PL_perl_destruct_level = 1; |
54aff467 | 247 | #else |
7918f24d | 248 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
249 | if (PL_perl_destruct_level > 0) |
250 | init_interp(); | |
251 | #endif | |
34caed6d DM |
252 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
253 | ||
75d476e2 S |
254 | #ifdef PERL_TRACE_OPS |
255 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
256 | #endif | |
257 | ||
0d96b528 | 258 | init_constants(); |
34caed6d | 259 | |
e04fc1aa CB |
260 | SvREADONLY_on(&PL_sv_placeholder); |
261 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; | |
262 | ||
263 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
264 | #ifdef PERL_USES_PL_PIDSTATUS | |
265 | PL_pidstatus = newHV(); | |
266 | #endif | |
267 | ||
268 | PL_rs = newSVpvs("\n"); | |
269 | ||
270 | init_stacks(); | |
271 | ||
272 | /* The PERL_INTERNAL_RAND_SEED set-up must be after init_stacks because it calls | |
273 | * things that may put SVs on the stack. | |
274 | */ | |
275 | ||
d6295071 | 276 | #ifdef NO_PERL_INTERNAL_RAND_SEED |
f26b33bd | 277 | Perl_drand48_init_r(&PL_internal_random_state, seed()); |
d6295071 TC |
278 | #else |
279 | { | |
280 | UV seed; | |
281 | const char *env_pv; | |
282 | if (PerlProc_getuid() != PerlProc_geteuid() || | |
283 | PerlProc_getgid() != PerlProc_getegid() || | |
284 | !(env_pv = PerlEnv_getenv("PERL_INTERNAL_RAND_SEED")) || | |
285 | grok_number(env_pv, strlen(env_pv), &seed) != IS_NUMBER_IN_UV) { | |
286 | seed = seed(); | |
287 | } | |
288 | Perl_drand48_init_r(&PL_internal_random_state, (U32)seed); | |
289 | } | |
290 | #endif | |
f26b33bd | 291 | |
748a9306 | 292 | init_ids(); |
a5f75d66 | 293 | |
0927ade0 JC |
294 | S_fixup_platform_bugs(); |
295 | ||
312caa8e | 296 | JMPENV_BOOTSTRAP; |
f86702cc | 297 | STATUS_ALL_SUCCESS; |
298 | ||
0672f40e | 299 | init_i18nl10n(1); |
0b5b802d | 300 | |
ab821d7f | 301 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 302 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 303 | #endif |
304 | ||
fa2e4594 TC |
305 | #if defined(LIBM_LIB_VERSION) |
306 | /* | |
307 | * Some BSDs and Cygwin default to POSIX math instead of IEEE. | |
308 | * This switches them over to IEEE. | |
309 | */ | |
310 | _LIB_VERSION = _IEEE_; | |
311 | #endif | |
312 | ||
52853b95 GS |
313 | #ifdef HAVE_INTERP_INTERN |
314 | sys_intern_init(); | |
315 | #endif | |
316 | ||
3a1ee7e8 | 317 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 318 | |
3280af22 NIS |
319 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
320 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 321 | PL_errors = newSVpvs(""); |
854da30f YO |
322 | SvPVCLEAR(PERL_DEBUG_PAD(0)); /* For regex debugging. */ |
323 | SvPVCLEAR(PERL_DEBUG_PAD(1)); /* ext/re needs these */ | |
324 | SvPVCLEAR(PERL_DEBUG_PAD(2)); /* even without DEBUGGING. */ | |
1fcf4c12 | 325 | #ifdef USE_ITHREADS |
402d2eb1 NC |
326 | /* First entry is a list of empty elements. It needs to be initialised |
327 | else all hell breaks loose in S_find_uninit_var(). */ | |
328 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 329 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 330 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 331 | #endif |
e5dd39fc | 332 | #ifdef USE_REENTRANT_API |
59bd0823 | 333 | Perl_reentrant_init(aTHX); |
e5dd39fc | 334 | #endif |
e6a172f3 | 335 | if (PL_hash_seed_set == FALSE) { |
9d5e3f1a YO |
336 | /* Initialize the hash seed and state at startup. This must be |
337 | * done very early, before ANY hashes are constructed, and once | |
338 | * setup is fixed for the lifetime of the process. | |
339 | * | |
340 | * If you decide to disable the seeding process you should choose | |
341 | * a suitable seed yourself and define PERL_HASH_SEED to a well chosen | |
342 | * string. See hv_func.h for details. | |
343 | */ | |
1a237f4f | 344 | #if defined(USE_HASH_SEED) |
9d5e3f1a | 345 | /* get the hash seed from the environment or from an RNG */ |
7dc86639 | 346 | Perl_get_hash_seed(aTHX_ PL_hash_seed); |
1a237f4f | 347 | #else |
9d5e3f1a YO |
348 | /* they want a hard coded seed, check that it is long enough */ |
349 | assert( strlen(PERL_HASH_SEED) >= PERL_HASH_SEED_BYTES ); | |
1a237f4f | 350 | #endif |
e6a172f3 | 351 | |
9d5e3f1a YO |
352 | /* now we use the chosen seed to initialize the state - |
353 | * in some configurations this may be a relatively speaking | |
354 | * expensive operation, but we only have to do it once at startup */ | |
355 | PERL_HASH_SEED_STATE(PERL_HASH_SEED,PL_hash_state); | |
356 | ||
357 | #ifdef PERL_USE_SINGLE_CHAR_HASH_CACHE | |
358 | /* we can build a special cache for 0/1 byte keys, if people choose | |
359 | * I suspect most of the time it is not worth it */ | |
360 | { | |
361 | char str[2]="\0"; | |
362 | int i; | |
363 | for (i=0;i<256;i++) { | |
364 | str[0]= i; | |
365 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[i],str,1); | |
366 | } | |
367 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[256],str,0); | |
368 | } | |
369 | #endif | |
370 | /* at this point we have initialezed the hash function, and we can start | |
371 | * constructing hashes */ | |
372 | PL_hash_seed_set= TRUE; | |
373 | } | |
3d47000e AB |
374 | /* Note that strtab is a rather special HV. Assumptions are made |
375 | about not iterating on it, and not adding tie magic to it. | |
376 | It is properly deallocated in perl_destruct() */ | |
377 | PL_strtab = newHV(); | |
378 | ||
9d5e3f1a YO |
379 | /* SHAREKEYS tells us that the hash has its keys shared with PL_strtab, |
380 | * which is not the case with PL_strtab itself */ | |
3d47000e | 381 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
9d5e3f1a | 382 | hv_ksplit(PL_strtab, 1 << 11); |
3d47000e | 383 | |
a38ab475 RZ |
384 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
385 | ||
2f42fcb0 JH |
386 | #ifndef PERL_MICRO |
387 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 388 | PL_origenviron = environ; |
2f42fcb0 | 389 | # endif |
0631ea03 AB |
390 | #endif |
391 | ||
5311654c | 392 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 393 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
394 | * The HZ if not originally defined has been by now |
395 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 396 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
397 | PL_clocktick = sysconf(_SC_CLK_TCK); |
398 | if (PL_clocktick <= 0) | |
399 | #endif | |
400 | PL_clocktick = HZ; | |
401 | ||
081fc587 AB |
402 | PL_stashcache = newHV(); |
403 | ||
e8e3635e | 404 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 405 | |
27da23d5 JH |
406 | #ifdef HAS_MMAP |
407 | if (!PL_mmap_page_size) { | |
408 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
409 | { | |
410 | SETERRNO(0, SS_NORMAL); | |
411 | # ifdef _SC_PAGESIZE | |
412 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
413 | # else | |
414 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
415 | # endif | |
416 | if ((long) PL_mmap_page_size < 0) { | |
417 | if (errno) { | |
44f8325f | 418 | SV * const error = ERRSV; |
d4c19fe8 | 419 | SvUPGRADE(error, SVt_PV); |
0510663f | 420 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
421 | } |
422 | else | |
423 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
424 | } | |
425 | } | |
39bb759e | 426 | #elif defined(HAS_GETPAGESIZE) |
27da23d5 | 427 | PL_mmap_page_size = getpagesize(); |
39bb759e | 428 | #elif defined(I_SYS_PARAM) && defined(PAGESIZE) |
27da23d5 | 429 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ |
27da23d5 JH |
430 | #endif |
431 | if (PL_mmap_page_size <= 0) | |
432 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
433 | (IV) PL_mmap_page_size); | |
434 | } | |
435 | #endif /* HAS_MMAP */ | |
436 | ||
437 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
438 | PL_timesbase.tms_utime = 0; | |
439 | PL_timesbase.tms_stime = 0; | |
440 | PL_timesbase.tms_cutime = 0; | |
441 | PL_timesbase.tms_cstime = 0; | |
442 | #endif | |
443 | ||
7d113631 NC |
444 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
445 | ||
a3e6e81e | 446 | PL_registered_mros = newHV(); |
9e169432 NC |
447 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
448 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 449 | |
7b8dd5f4 KW |
450 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
451 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
452 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
453 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
454 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
455 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
456 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
457 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
458 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
459 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
460 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
461 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
462 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
463 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
464 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
465 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 466 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
467 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
468 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 469 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
9e7ded3f | 470 | PL_Assigned_invlist = _new_invlist_C_array(Assigned_invlist); |
5acc3fa5 | 471 | #ifdef HAS_POSIX_2008_LOCALE |
6ebbc862 KW |
472 | PL_C_locale_obj = newlocale(LC_ALL_MASK, "C", NULL); |
473 | #endif | |
7b8dd5f4 | 474 | |
8990e307 | 475 | ENTER; |
79072805 LW |
476 | } |
477 | ||
954c1994 | 478 | /* |
62375a60 NIS |
479 | =for apidoc nothreadhook |
480 | ||
481 | Stub that provides thread hook for perl_destruct when there are | |
482 | no threads. | |
483 | ||
484 | =cut | |
485 | */ | |
486 | ||
487 | int | |
4e9e3734 | 488 | Perl_nothreadhook(pTHX) |
62375a60 | 489 | { |
96a5add6 | 490 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
491 | return 0; |
492 | } | |
493 | ||
41e4abd8 NC |
494 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
495 | void | |
496 | Perl_dump_sv_child(pTHX_ SV *sv) | |
497 | { | |
498 | ssize_t got; | |
bf357333 NC |
499 | const int sock = PL_dumper_fd; |
500 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
501 | union control_un control; |
502 | struct msghdr msg; | |
808ad2d0 | 503 | struct iovec vec[2]; |
bf357333 | 504 | struct cmsghdr *cmptr; |
808ad2d0 NC |
505 | int returned_errno; |
506 | unsigned char buffer[256]; | |
41e4abd8 | 507 | |
7918f24d NC |
508 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
509 | ||
bf357333 | 510 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
511 | return; |
512 | ||
513 | PerlIO_flush(Perl_debug_log); | |
514 | ||
bf357333 NC |
515 | /* All these shenanigans are to pass a file descriptor over to our child for |
516 | it to dump out to. We can't let it hold open the file descriptor when it | |
517 | forks, as the file descriptor it will dump to can turn out to be one end | |
518 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 519 | be open, the wait would be forever.) */ |
bf357333 NC |
520 | |
521 | msg.msg_control = control.control; | |
522 | msg.msg_controllen = sizeof(control.control); | |
523 | /* We're a connected socket so we don't need a destination */ | |
524 | msg.msg_name = NULL; | |
525 | msg.msg_namelen = 0; | |
526 | msg.msg_iov = vec; | |
808ad2d0 | 527 | msg.msg_iovlen = 1; |
bf357333 NC |
528 | |
529 | cmptr = CMSG_FIRSTHDR(&msg); | |
530 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
531 | cmptr->cmsg_level = SOL_SOCKET; | |
532 | cmptr->cmsg_type = SCM_RIGHTS; | |
533 | *((int *)CMSG_DATA(cmptr)) = 1; | |
534 | ||
535 | vec[0].iov_base = (void*)&sv; | |
536 | vec[0].iov_len = sizeof(sv); | |
537 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
538 | |
539 | if(got < 0) { | |
bf357333 | 540 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
541 | abort(); |
542 | } | |
bf357333 NC |
543 | if(got < sizeof(sv)) { |
544 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
545 | abort(); |
546 | } | |
547 | ||
808ad2d0 NC |
548 | /* Return protocol is |
549 | int: errno value | |
550 | unsigned char: length of location string (0 for empty) | |
551 | unsigned char*: string (not terminated) | |
552 | */ | |
553 | vec[0].iov_base = (void*)&returned_errno; | |
554 | vec[0].iov_len = sizeof(returned_errno); | |
555 | vec[1].iov_base = buffer; | |
556 | vec[1].iov_len = 1; | |
557 | ||
558 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
559 | |
560 | if(got < 0) { | |
561 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 562 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
563 | abort(); |
564 | } | |
808ad2d0 | 565 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 566 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 567 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
568 | abort(); |
569 | } | |
570 | ||
808ad2d0 NC |
571 | if (*buffer) { |
572 | got = read(sock, buffer + 1, *buffer); | |
573 | if(got < 0) { | |
574 | perror("Debug leaking scalars parent read 2 failed"); | |
575 | PerlIO_flush(PerlIO_stderr()); | |
576 | abort(); | |
577 | } | |
578 | ||
579 | if(got < *buffer) { | |
580 | perror("Debug leaking scalars parent short read 2"); | |
581 | PerlIO_flush(PerlIO_stderr()); | |
582 | abort(); | |
583 | } | |
584 | } | |
585 | ||
586 | if (returned_errno || *buffer) { | |
587 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
588 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 589 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
590 | } |
591 | } | |
592 | #endif | |
593 | ||
62375a60 | 594 | /* |
954c1994 GS |
595 | =for apidoc perl_destruct |
596 | ||
597 | Shuts down a Perl interpreter. See L<perlembed>. | |
598 | ||
599 | =cut | |
600 | */ | |
601 | ||
31d77e54 | 602 | int |
0cb96387 | 603 | perl_destruct(pTHXx) |
79072805 | 604 | { |
27da23d5 | 605 | dVAR; |
8162b70e | 606 | volatile signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 607 | HV *hv; |
2aa47728 | 608 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
609 | pid_t child; |
610 | #endif | |
9c0b6888 | 611 | int i; |
8990e307 | 612 | |
7918f24d NC |
613 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
614 | #ifndef MULTIPLICITY | |
ed6c66dd | 615 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 616 | #endif |
9d4ba2ae | 617 | |
3d22c4f0 GG |
618 | assert(PL_scopestack_ix == 1); |
619 | ||
7766f137 GS |
620 | /* wait for all pseudo-forked children to finish */ |
621 | PERL_WAIT_FOR_CHILDREN; | |
622 | ||
3280af22 | 623 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 624 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 625 | { |
9d4ba2ae AL |
626 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
627 | if (s) { | |
96e440d2 JH |
628 | int i; |
629 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
630 | i = -1; | |
631 | } else { | |
22ff3130 HS |
632 | UV uv; |
633 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
634 | i = (int)uv; | |
635 | else | |
636 | i = 0; | |
96e440d2 | 637 | } |
36e77d41 DD |
638 | #ifdef DEBUGGING |
639 | if (destruct_level < i) destruct_level = i; | |
640 | #endif | |
641 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
642 | /* RT #114496, for perl_free */ |
643 | PL_perl_destruct_level = i; | |
36e77d41 | 644 | #endif |
5f05dabc | 645 | } |
4633a7c4 LW |
646 | } |
647 | #endif | |
648 | ||
27da23d5 | 649 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
650 | dJMPENV; |
651 | int x = 0; | |
652 | ||
653 | JMPENV_PUSH(x); | |
1b6737cc | 654 | PERL_UNUSED_VAR(x); |
9ebf26ad | 655 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 656 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 657 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 658 | } |
f3faeb53 | 659 | JMPENV_POP; |
26f423df | 660 | } |
f3faeb53 | 661 | LEAVE; |
a0d0e21e | 662 | FREETMPS; |
3d22c4f0 | 663 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 664 | |
e00b64d4 | 665 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
666 | /* flush stdout separately, since we can identify it */ |
667 | #ifdef USE_PERLIO | |
668 | { | |
669 | PerlIO *stdo = PerlIO_stdout(); | |
670 | if (*stdo && PerlIO_flush(stdo)) { | |
671 | PerlIO_restore_errno(stdo); | |
675c73ca MB |
672 | if (errno) |
673 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
674 | Strerror(errno)); | |
8abddda3 TC |
675 | if (!STATUS_UNIX) |
676 | STATUS_ALL_FAILURE; | |
677 | } | |
678 | } | |
679 | #endif | |
f13a2bc0 | 680 | my_fflush_all(); |
e00b64d4 | 681 | |
75d476e2 | 682 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
683 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
684 | { | |
685 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
686 | UV uv; | |
687 | ||
688 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
689 | || !(uv > 0)) | |
690 | goto no_trace_out; | |
691 | } | |
75d476e2 S |
692 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
693 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 | 694 | if (PL_op_exec_cnt[i]) |
147e3846 | 695 | PerlIO_printf(Perl_debug_log, " %s: %" UVuf "\n", PL_op_name[i], PL_op_exec_cnt[i]); |
75d476e2 S |
696 | } |
697 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
698 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
147e3846 | 699 | PerlIO_printf(Perl_debug_log, " SPECIAL: %" UVuf "\n", PL_op_exec_cnt[OP_max+1]); |
75d476e2 | 700 | PerlIO_printf(Perl_debug_log, "\n"); |
e71f25b3 | 701 | no_trace_out: |
75d476e2 S |
702 | #endif |
703 | ||
704 | ||
16c91539 | 705 | if (PL_threadhook(aTHX)) { |
62375a60 | 706 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 707 | PL_veto_cleanup = TRUE; |
37038d91 | 708 | return STATUS_EXIT; |
62375a60 NIS |
709 | } |
710 | ||
2aa47728 NC |
711 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
712 | if (destruct_level != 0) { | |
713 | /* Fork here to create a child. Our child's job is to preserve the | |
714 | state of scalars prior to destruction, so that we can instruct it | |
715 | to dump any scalars that we later find have leaked. | |
716 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
717 | fail gracefully */ | |
718 | int fd[2]; | |
719 | ||
720 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
721 | perror("Debug leaking scalars socketpair failed"); | |
722 | abort(); | |
723 | } | |
724 | ||
725 | child = fork(); | |
726 | if(child == -1) { | |
727 | perror("Debug leaking scalars fork failed"); | |
728 | abort(); | |
729 | } | |
730 | if (!child) { | |
731 | /* We are the child */ | |
3125a5a4 NC |
732 | const int sock = fd[1]; |
733 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
734 | int f; | |
808ad2d0 NC |
735 | const char *where; |
736 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 737 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 738 | |
2aa47728 | 739 | close(fd[0]); |
2aa47728 | 740 | |
3125a5a4 NC |
741 | /* We need to close all other file descriptors otherwise we end up |
742 | with interesting hangs, where the parent closes its end of a | |
743 | pipe, and sits waiting for (another) child to terminate. Only | |
744 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
745 | we also have the far end of the pipe open. We even need to |
746 | close the debugging fd, because sometimes it happens to be one | |
747 | end of a pipe, and a process is waiting on the other end for | |
748 | EOF. Normally it would be closed at some point earlier in | |
749 | destruction, but if we happen to cause the pipe to remain open, | |
750 | EOF never occurs, and we get an infinite hang. Hence all the | |
751 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
752 | |
753 | f = sysconf(_SC_OPEN_MAX); | |
754 | if(f < 0) { | |
808ad2d0 NC |
755 | where = "sysconf failed"; |
756 | goto abort; | |
3125a5a4 NC |
757 | } |
758 | while (f--) { | |
759 | if (f == sock) | |
760 | continue; | |
3125a5a4 NC |
761 | close(f); |
762 | } | |
763 | ||
2aa47728 NC |
764 | while (1) { |
765 | SV *target; | |
bf357333 NC |
766 | union control_un control; |
767 | struct msghdr msg; | |
768 | struct iovec vec[1]; | |
769 | struct cmsghdr *cmptr; | |
770 | ssize_t got; | |
771 | int got_fd; | |
772 | ||
773 | msg.msg_control = control.control; | |
774 | msg.msg_controllen = sizeof(control.control); | |
775 | /* We're a connected socket so we don't need a source */ | |
776 | msg.msg_name = NULL; | |
777 | msg.msg_namelen = 0; | |
778 | msg.msg_iov = vec; | |
c3caa5c3 | 779 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
780 | |
781 | vec[0].iov_base = (void*)⌖ | |
782 | vec[0].iov_len = sizeof(target); | |
783 | ||
784 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
785 | |
786 | if(got == 0) | |
787 | break; | |
788 | if(got < 0) { | |
808ad2d0 NC |
789 | where = "recv failed"; |
790 | goto abort; | |
2aa47728 NC |
791 | } |
792 | if(got < sizeof(target)) { | |
808ad2d0 NC |
793 | where = "short recv"; |
794 | goto abort; | |
2aa47728 | 795 | } |
bf357333 | 796 | |
808ad2d0 NC |
797 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
798 | where = "no cmsg"; | |
799 | goto abort; | |
800 | } | |
801 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
802 | where = "wrong cmsg_len"; | |
803 | goto abort; | |
804 | } | |
805 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
806 | where = "wrong cmsg_level"; | |
807 | goto abort; | |
808 | } | |
809 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
810 | where = "wrong cmsg_type"; | |
811 | goto abort; | |
812 | } | |
bf357333 NC |
813 | |
814 | got_fd = *(int*)CMSG_DATA(cmptr); | |
815 | /* For our last little bit of trickery, put the file descriptor | |
816 | back into Perl_debug_log, as if we never actually closed it | |
817 | */ | |
808ad2d0 NC |
818 | if(got_fd != debug_fd) { |
819 | if (dup2(got_fd, debug_fd) == -1) { | |
820 | where = "dup2"; | |
821 | goto abort; | |
822 | } | |
823 | } | |
2aa47728 | 824 | sv_dump(target); |
bf357333 | 825 | |
2aa47728 NC |
826 | PerlIO_flush(Perl_debug_log); |
827 | ||
808ad2d0 | 828 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
829 | |
830 | if(got < 0) { | |
808ad2d0 NC |
831 | where = "write failed"; |
832 | goto abort; | |
2aa47728 | 833 | } |
808ad2d0 NC |
834 | if(got < sizeof(success)) { |
835 | where = "short write"; | |
836 | goto abort; | |
2aa47728 NC |
837 | } |
838 | } | |
839 | _exit(0); | |
808ad2d0 NC |
840 | abort: |
841 | { | |
842 | int send_errno = errno; | |
843 | unsigned char length = (unsigned char) strlen(where); | |
844 | struct iovec failure[3] = { | |
845 | {(void*)&send_errno, sizeof(send_errno)}, | |
846 | {&length, 1}, | |
847 | {(void*)where, length} | |
848 | }; | |
849 | int got = writev(sock, failure, 3); | |
850 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
851 | in the parent if we try to read from the socketpair after the | |
852 | child has exited, even if there was data to read. | |
853 | So sleep a bit to give the parent a fighting chance of | |
854 | reading the data. */ | |
855 | sleep(2); | |
856 | _exit((got == -1) ? errno : 0); | |
857 | } | |
bf357333 | 858 | /* End of child. */ |
2aa47728 | 859 | } |
41e4abd8 | 860 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
861 | close(fd[1]); |
862 | } | |
863 | #endif | |
864 | ||
ff0cee69 | 865 | /* We must account for everything. */ |
866 | ||
867 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
868 | /* Set PL_curcop now, because destroying ops can cause new SVs |
869 | to be generated in Perl_pad_swipe, and when running with | |
870 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
871 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 872 | PL_curcop = &PL_compiling; |
3280af22 | 873 | if (PL_main_root) { |
4e380990 DM |
874 | /* ensure comppad/curpad to refer to main's pad */ |
875 | if (CvPADLIST(PL_main_cv)) { | |
876 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 877 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 878 | } |
3280af22 | 879 | op_free(PL_main_root); |
5f66b61c | 880 | PL_main_root = NULL; |
a0d0e21e | 881 | } |
5f66b61c | 882 | PL_main_start = NULL; |
aac9d523 DM |
883 | /* note that PL_main_cv isn't usually actually freed at this point, |
884 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
885 | * get freed once all the subs are freed in sv_clean_all(), for | |
886 | * destruct_level > 0 */ | |
3280af22 | 887 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 888 | PL_main_cv = NULL; |
ca7b837b | 889 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 890 | |
13621cfb NIS |
891 | /* Tell PerlIO we are about to tear things apart in case |
892 | we have layers which are using resources that should | |
893 | be cleaned up now. | |
894 | */ | |
895 | ||
896 | PerlIO_destruct(aTHX); | |
897 | ||
ddf23d4a S |
898 | /* |
899 | * Try to destruct global references. We do this first so that the | |
900 | * destructors and destructees still exist. Some sv's might remain. | |
901 | * Non-referenced objects are on their own. | |
902 | */ | |
903 | sv_clean_objs(); | |
8990e307 | 904 | |
5cd24f17 | 905 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 906 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 907 | PL_warnhook = NULL; |
3280af22 | 908 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 909 | PL_diehook = NULL; |
5cd24f17 | 910 | |
4b556e6c | 911 | /* call exit list functions */ |
3280af22 | 912 | while (PL_exitlistlen-- > 0) |
acfe0abc | 913 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 914 | |
3280af22 | 915 | Safefree(PL_exitlist); |
4b556e6c | 916 | |
1c4916e5 CB |
917 | PL_exitlist = NULL; |
918 | PL_exitlistlen = 0; | |
919 | ||
a3e6e81e NC |
920 | SvREFCNT_dec(PL_registered_mros); |
921 | ||
551a8b83 | 922 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
923 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
924 | * so we certainly shouldn't free it here | |
925 | */ | |
2f42fcb0 | 926 | #ifndef PERL_MICRO |
4b647fb0 | 927 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 928 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
929 | #ifdef USE_ITHREADS |
930 | /* only main thread can free environ[0] contents */ | |
931 | && PL_curinterp == aTHX | |
932 | #endif | |
933 | ) | |
934 | { | |
551a8b83 JH |
935 | I32 i; |
936 | ||
937 | for (i = 0; environ[i]; i++) | |
4b420006 | 938 | safesysfree(environ[i]); |
0631ea03 | 939 | |
4b420006 JH |
940 | /* Must use safesysfree() when working with environ. */ |
941 | safesysfree(environ); | |
551a8b83 JH |
942 | |
943 | environ = PL_origenviron; | |
944 | } | |
945 | #endif | |
2f42fcb0 | 946 | #endif /* !PERL_MICRO */ |
551a8b83 | 947 | |
30985c42 JH |
948 | if (destruct_level == 0) { |
949 | ||
950 | DEBUG_P(debprofdump()); | |
951 | ||
952 | #if defined(PERLIO_LAYERS) | |
953 | /* No more IO - including error messages ! */ | |
954 | PerlIO_cleanup(aTHX); | |
955 | #endif | |
956 | ||
957 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
958 | |
959 | /* The exit() function will do everything that needs doing. */ | |
960 | return STATUS_EXIT; | |
961 | } | |
962 | ||
9fa9f06b KW |
963 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
964 | ||
5f8cb046 DM |
965 | #ifdef USE_ITHREADS |
966 | /* the syntax tree is shared between clones | |
967 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
968 | * REGEXPs in the parent interpreter | |
969 | * we need to manually ReREFCNT_dec for the clones | |
970 | */ | |
0547a729 DM |
971 | { |
972 | I32 i = AvFILLp(PL_regex_padav); | |
973 | SV **ary = AvARRAY(PL_regex_padav); | |
974 | ||
975 | for (; i; i--) { | |
976 | SvREFCNT_dec(ary[i]); | |
977 | ary[i] = &PL_sv_undef; | |
978 | } | |
979 | } | |
5f8cb046 DM |
980 | #endif |
981 | ||
0547a729 | 982 | |
ad64d0ec | 983 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
984 | PL_stashcache = NULL; |
985 | ||
5f05dabc | 986 | /* loosen bonds of global variables */ |
987 | ||
2f9285f8 DM |
988 | /* XXX can PL_parser still be non-null here? */ |
989 | if(PL_parser && PL_parser->rsfp) { | |
990 | (void)PerlIO_close(PL_parser->rsfp); | |
991 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 992 | } |
993 | ||
84386e14 RGS |
994 | if (PL_minus_F) { |
995 | Safefree(PL_splitstr); | |
996 | PL_splitstr = NULL; | |
997 | } | |
998 | ||
8ebc5c01 | 999 | /* switches */ |
3280af22 NIS |
1000 | PL_minus_n = FALSE; |
1001 | PL_minus_p = FALSE; | |
1002 | PL_minus_l = FALSE; | |
1003 | PL_minus_a = FALSE; | |
1004 | PL_minus_F = FALSE; | |
1005 | PL_doswitches = FALSE; | |
599cee73 | 1006 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 1007 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 1008 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 1009 | #endif |
3280af22 NIS |
1010 | PL_unsafe = FALSE; |
1011 | ||
1012 | Safefree(PL_inplace); | |
bd61b366 | 1013 | PL_inplace = NULL; |
a7cb1f99 | 1014 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
1015 | |
1016 | if (PL_e_script) { | |
1017 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 1018 | PL_e_script = NULL; |
8ebc5c01 | 1019 | } |
1020 | ||
bf9cdc68 RG |
1021 | PL_perldb = 0; |
1022 | ||
8ebc5c01 | 1023 | /* magical thingies */ |
1024 | ||
e23d9e2f CS |
1025 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
1026 | PL_ofsgv = NULL; | |
5f05dabc | 1027 | |
7889fe52 | 1028 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 1029 | PL_ors_sv = NULL; |
8ebc5c01 | 1030 | |
3280af22 | 1031 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 1032 | PL_rs = NULL; |
dc92893f | 1033 | |
d33b2eba | 1034 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 1035 | PL_osname = NULL; |
5f05dabc | 1036 | |
3280af22 | 1037 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
1038 | PL_statname = NULL; |
1039 | PL_statgv = NULL; | |
5f05dabc | 1040 | |
8ebc5c01 | 1041 | /* defgv, aka *_ should be taken care of elsewhere */ |
1042 | ||
7d5ea4e7 GS |
1043 | /* float buffer */ |
1044 | Safefree(PL_efloatbuf); | |
bd61b366 | 1045 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
1046 | PL_efloatsize = 0; |
1047 | ||
8ebc5c01 | 1048 | /* startup and shutdown function lists */ |
3280af22 | 1049 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 1050 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 1051 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1052 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1053 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1054 | SvREFCNT_dec(PL_unitcheckav); |
1055 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1056 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1057 | PL_beginav = NULL; |
1058 | PL_beginav_save = NULL; | |
1059 | PL_endav = NULL; | |
1060 | PL_checkav = NULL; | |
1061 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1062 | PL_unitcheckav = NULL; |
1063 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1064 | PL_initav = NULL; |
5618dfe8 | 1065 | |
8ebc5c01 | 1066 | /* shortcuts just get cleared */ |
a0714e2c SS |
1067 | PL_hintgv = NULL; |
1068 | PL_errgv = NULL; | |
a0714e2c SS |
1069 | PL_argvoutgv = NULL; |
1070 | PL_stdingv = NULL; | |
1071 | PL_stderrgv = NULL; | |
1072 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1073 | PL_DBsingle = NULL; |
1074 | PL_DBtrace = NULL; | |
1075 | PL_DBsignal = NULL; | |
a6d69523 TC |
1076 | PL_DBsingle_iv = 0; |
1077 | PL_DBtrace_iv = 0; | |
1078 | PL_DBsignal_iv = 0; | |
601f1833 | 1079 | PL_DBcv = NULL; |
7d49f689 | 1080 | PL_dbargs = NULL; |
5c284bb0 | 1081 | PL_debstash = NULL; |
8ebc5c01 | 1082 | |
cf93a474 | 1083 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1084 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1085 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1086 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1087 | SvREFCNT_dec(PL_DBgv); |
1088 | SvREFCNT_dec(PL_DBline); | |
1089 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1090 | PL_envgv = NULL; |
f03015cd | 1091 | PL_incgv = NULL; |
722fa0e9 | 1092 | PL_argvgv = NULL; |
475b1e90 | 1093 | PL_replgv = NULL; |
8cece913 FC |
1094 | PL_DBgv = NULL; |
1095 | PL_DBline = NULL; | |
1096 | PL_DBsub = NULL; | |
1097 | ||
7a1c5554 | 1098 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1099 | PL_argvout_stack = NULL; |
8ebc5c01 | 1100 | |
5c831c24 | 1101 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1102 | PL_modglobal = NULL; |
5c831c24 | 1103 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1104 | PL_preambleav = NULL; |
5c831c24 | 1105 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1106 | PL_subname = NULL; |
ca0c25f6 | 1107 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1108 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1109 | PL_pidstatus = NULL; |
ca0c25f6 | 1110 | #endif |
5c831c24 | 1111 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1112 | PL_toptarget = NULL; |
5c831c24 | 1113 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1114 | PL_bodytarget = NULL; |
1115 | PL_formtarget = NULL; | |
5c831c24 | 1116 | |
d33b2eba | 1117 | /* free locale stuff */ |
b9582b6a | 1118 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1119 | Safefree(PL_collation_name); |
bd61b366 | 1120 | PL_collation_name = NULL; |
b9582b6a | 1121 | #endif |
d33b2eba | 1122 | |
b9582b6a | 1123 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1124 | Safefree(PL_numeric_name); |
bd61b366 | 1125 | PL_numeric_name = NULL; |
a453c169 | 1126 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1127 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1128 | #endif |
d33b2eba | 1129 | |
f7416781 KW |
1130 | if (PL_langinfo_buf) { |
1131 | Safefree(PL_langinfo_buf); | |
1132 | PL_langinfo_buf = NULL; | |
1133 | } | |
1134 | ||
9c0b6888 KW |
1135 | /* clear character classes */ |
1136 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1137 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1138 | PL_utf8_swash_ptrs[i] = NULL; | |
1139 | } | |
5c831c24 GS |
1140 | SvREFCNT_dec(PL_utf8_mark); |
1141 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1142 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1143 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1144 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1145 | SvREFCNT_dec(PL_utf8_idstart); |
1146 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1147 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1148 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1149 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1150 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1151 | SvREFCNT_dec(PL_UpperLatin1); |
1152 | SvREFCNT_dec(PL_Latin1); | |
1153 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1154 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1155 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1156 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1157 | #endif |
a0714e2c SS |
1158 | PL_utf8_mark = NULL; |
1159 | PL_utf8_toupper = NULL; | |
1160 | PL_utf8_totitle = NULL; | |
1161 | PL_utf8_tolower = NULL; | |
1162 | PL_utf8_tofold = NULL; | |
1163 | PL_utf8_idstart = NULL; | |
1164 | PL_utf8_idcont = NULL; | |
2726813d | 1165 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1166 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1167 | PL_InBitmap = NULL; |
9fa9f06b | 1168 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1169 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1170 | PL_warn_locale = NULL; |
5b7de470 | 1171 | #endif |
9fa9f06b KW |
1172 | PL_Latin1 = NULL; |
1173 | PL_NonL1NonFinalFold = NULL; | |
1174 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1175 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1176 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1177 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1178 | } |
64935bc6 | 1179 | PL_GCB_invlist = NULL; |
6b659339 | 1180 | PL_LB_invlist = NULL; |
06ae2722 | 1181 | PL_SB_invlist = NULL; |
ae3bb8ea | 1182 | PL_WB_invlist = NULL; |
9e7ded3f | 1183 | PL_Assigned_invlist = NULL; |
5c831c24 | 1184 | |
971a9dd3 | 1185 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1186 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1187 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1188 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1189 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1190 | CopFILE_free(&PL_compiling); |
5c831c24 | 1191 | |
a0d0e21e | 1192 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1193 | |
3280af22 | 1194 | hv = PL_defstash; |
ca556bcd | 1195 | /* break ref loop *:: <=> %:: */ |
854da30f | 1196 | (void)hv_deletes(hv, "main::", G_DISCARD); |
3280af22 | 1197 | PL_defstash = 0; |
a0d0e21e | 1198 | SvREFCNT_dec(hv); |
5c831c24 | 1199 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1200 | PL_curstname = NULL; |
a0d0e21e | 1201 | |
5a844595 GS |
1202 | /* clear queued errors */ |
1203 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1204 | PL_errors = NULL; |
5a844595 | 1205 | |
dd69841b BB |
1206 | SvREFCNT_dec(PL_isarev); |
1207 | ||
a0d0e21e | 1208 | FREETMPS; |
9b387841 | 1209 | if (destruct_level >= 2) { |
3280af22 | 1210 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1211 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1212 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1213 | (long)PL_scopestack_ix); | |
3280af22 | 1214 | if (PL_savestack_ix != 0) |
9b387841 NC |
1215 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1216 | "Unbalanced saves: %ld more saves than restores\n", | |
1217 | (long)PL_savestack_ix); | |
3280af22 | 1218 | if (PL_tmps_floor != -1) |
9b387841 NC |
1219 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1220 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1221 | if (cxstack_ix != -1) |
9b387841 NC |
1222 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1223 | (long)cxstack_ix + 1); | |
a0d0e21e | 1224 | } |
8990e307 | 1225 | |
0547a729 DM |
1226 | #ifdef USE_ITHREADS |
1227 | SvREFCNT_dec(PL_regex_padav); | |
1228 | PL_regex_padav = NULL; | |
1229 | PL_regex_pad = NULL; | |
1230 | #endif | |
1231 | ||
776df701 | 1232 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1233 | /* the entries in this list are allocated via SV PVX's, so get freed |
1234 | * in sv_clean_all */ | |
1235 | Safefree(PL_my_cxt_list); | |
776df701 | 1236 | #endif |
57bb2458 | 1237 | |
8990e307 | 1238 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1239 | |
1240 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1241 | while (sv_clean_all() > 2) |
5226ed68 JH |
1242 | ; |
1243 | ||
23083432 FC |
1244 | #ifdef USE_ITHREADS |
1245 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1246 | #endif | |
1247 | ||
d4777f27 GS |
1248 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1249 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1250 | PL_fdpid = NULL; |
d33b2eba | 1251 | |
6c644e78 GS |
1252 | #ifdef HAVE_INTERP_INTERN |
1253 | sys_intern_clear(); | |
1254 | #endif | |
1255 | ||
a38ab475 RZ |
1256 | /* constant strings */ |
1257 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1258 | SvREFCNT_dec(PL_sv_consts[i]); | |
1259 | PL_sv_consts[i] = NULL; | |
1260 | } | |
1261 | ||
6e72f9df | 1262 | /* Destruct the global string table. */ |
1263 | { | |
1264 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1265 | * so that sv_free() won't fail on them. | |
80459961 NC |
1266 | * Now that the global string table is using a single hunk of memory |
1267 | * for both HE and HEK, we either need to explicitly unshare it the | |
1268 | * correct way, or actually free things here. | |
6e72f9df | 1269 | */ |
80459961 NC |
1270 | I32 riter = 0; |
1271 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1272 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1273 | HE *hent = array[0]; |
1274 | ||
6e72f9df | 1275 | for (;;) { |
0453d815 | 1276 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1277 | HE * const next = HeNEXT(hent); |
9014280d | 1278 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1279 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1280 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1281 | Safefree(hent); |
1282 | hent = next; | |
6e72f9df | 1283 | } |
1284 | if (!hent) { | |
1285 | if (++riter > max) | |
1286 | break; | |
1287 | hent = array[riter]; | |
1288 | } | |
1289 | } | |
80459961 NC |
1290 | |
1291 | Safefree(array); | |
1292 | HvARRAY(PL_strtab) = 0; | |
1293 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1294 | } |
3280af22 | 1295 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1296 | |
e652bb2f | 1297 | #ifdef USE_ITHREADS |
c21d1a0f | 1298 | /* free the pointer tables used for cloning */ |
a0739874 | 1299 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1300 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1301 | #endif |
a0739874 | 1302 | |
d33b2eba GS |
1303 | /* free special SVs */ |
1304 | ||
1305 | SvREFCNT(&PL_sv_yes) = 0; | |
1306 | sv_clear(&PL_sv_yes); | |
1307 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1308 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1309 | |
1310 | SvREFCNT(&PL_sv_no) = 0; | |
1311 | sv_clear(&PL_sv_no); | |
1312 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1313 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1314 | |
5a6c2837 DM |
1315 | SvREFCNT(&PL_sv_zero) = 0; |
1316 | sv_clear(&PL_sv_zero); | |
1317 | SvANY(&PL_sv_zero) = NULL; | |
1318 | SvFLAGS(&PL_sv_zero) = 0; | |
1319 | ||
9f375a43 DM |
1320 | { |
1321 | int i; | |
1322 | for (i=0; i<=2; i++) { | |
1323 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1324 | sv_clear(PERL_DEBUG_PAD(i)); | |
1325 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1326 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1327 | } | |
1328 | } | |
1329 | ||
0453d815 | 1330 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1331 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1332 | |
eba0f806 DM |
1333 | #ifdef DEBUG_LEAKING_SCALARS |
1334 | if (PL_sv_count != 0) { | |
1335 | SV* sva; | |
1336 | SV* sv; | |
eb578fdb | 1337 | SV* svend; |
eba0f806 | 1338 | |
ad64d0ec | 1339 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1340 | svend = &sva[SvREFCNT(sva)]; |
1341 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1342 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1343 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1344 | " flags=0x%"UVxf |
fd0854ff | 1345 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
147e3846 KW |
1346 | "\tallocated at %s:%d %s %s (parent 0x%" UVxf ");" |
1347 | "serial %" UVuf "\n", | |
574b8821 NC |
1348 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1349 | pTHX__VALUE, | |
fd0854ff DM |
1350 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1351 | sv->sv_debug_line, | |
1352 | sv->sv_debug_inpad ? "for" : "by", | |
1353 | sv->sv_debug_optype ? | |
1354 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1355 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1356 | sv->sv_debug_serial |
fd0854ff | 1357 | ); |
2aa47728 | 1358 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1359 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1360 | #endif |
eba0f806 DM |
1361 | } |
1362 | } | |
1363 | } | |
1364 | } | |
2aa47728 NC |
1365 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1366 | { | |
1367 | int status; | |
1368 | fd_set rset; | |
1369 | /* Wait for up to 4 seconds for child to terminate. | |
1370 | This seems to be the least effort way of timing out on reaping | |
1371 | its exit status. */ | |
1372 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1373 | int sock = PL_dumper_fd; |
2aa47728 NC |
1374 | |
1375 | shutdown(sock, 1); | |
1376 | FD_ZERO(&rset); | |
1377 | FD_SET(sock, &rset); | |
1378 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1379 | waitpid(child, &status, WNOHANG); | |
1380 | close(sock); | |
1381 | } | |
1382 | #endif | |
eba0f806 | 1383 | #endif |
77abb4c6 NC |
1384 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1385 | if (PL_sv_count) | |
1386 | abort(); | |
1387 | #endif | |
bf9cdc68 | 1388 | PL_sv_count = 0; |
eba0f806 | 1389 | |
56a2bab7 | 1390 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1391 | /* No more IO - including error messages ! */ |
1392 | PerlIO_cleanup(aTHX); | |
1393 | #endif | |
1394 | ||
9f4bd222 | 1395 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1396 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1397 | for no arg - and will try and SvREFCNT_dec it. |
1398 | */ | |
1399 | SvREFCNT(&PL_sv_undef) = 0; | |
1400 | SvREADONLY_off(&PL_sv_undef); | |
1401 | ||
3280af22 | 1402 | Safefree(PL_origfilename); |
bd61b366 | 1403 | PL_origfilename = NULL; |
43c5f42d | 1404 | Safefree(PL_reg_curpm); |
dd28f7bb | 1405 | free_tied_hv_pool(); |
3280af22 | 1406 | Safefree(PL_op_mask); |
cf36064f | 1407 | Safefree(PL_psig_name); |
bf9cdc68 | 1408 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1409 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1410 | { |
1411 | /* We need to NULL PL_psig_pend first, so that | |
1412 | signal handlers know not to use it */ | |
1413 | int *psig_save = PL_psig_pend; | |
1414 | PL_psig_pend = (int*)NULL; | |
1415 | Safefree(psig_save); | |
1416 | } | |
6e72f9df | 1417 | nuke_stacks(); |
284167a5 S |
1418 | TAINTING_set(FALSE); |
1419 | TAINT_WARN_set(FALSE); | |
3280af22 | 1420 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1421 | |
a0d0e21e | 1422 | DEBUG_P(debprofdump()); |
d33b2eba | 1423 | |
b173165c FC |
1424 | PL_debug = 0; |
1425 | ||
e5dd39fc | 1426 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1427 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1428 | #endif |
1429 | ||
a24da70b NC |
1430 | /* These all point to HVs that are about to be blown away. |
1431 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1432 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1433 | PL_custom_op_names = NULL; | |
1434 | PL_custom_op_descs = NULL; | |
1435 | PL_custom_ops = NULL; | |
1436 | ||
612f20c3 GS |
1437 | sv_free_arenas(); |
1438 | ||
5d9a96ca DM |
1439 | while (PL_regmatch_slab) { |
1440 | regmatch_slab *s = PL_regmatch_slab; | |
1441 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1442 | Safefree(s); | |
1443 | } | |
1444 | ||
fc36a67e | 1445 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1446 | ||
3280af22 | 1447 | if (PL_mess_sv) { |
f350b448 NC |
1448 | /* we know that type == SVt_PVMG */ |
1449 | ||
9c63abab | 1450 | /* it could have accumulated taint magic */ |
f350b448 NC |
1451 | MAGIC* mg; |
1452 | MAGIC* moremagic; | |
1453 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1454 | moremagic = mg->mg_moremagic; | |
1455 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1456 | && mg->mg_len >= 0) | |
1457 | Safefree(mg->mg_ptr); | |
1458 | Safefree(mg); | |
9c63abab | 1459 | } |
f350b448 | 1460 | |
fc36a67e | 1461 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1462 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1463 | Safefree(SvANY(PL_mess_sv)); |
1464 | Safefree(PL_mess_sv); | |
a0714e2c | 1465 | PL_mess_sv = NULL; |
fc36a67e | 1466 | } |
37038d91 | 1467 | return STATUS_EXIT; |
79072805 LW |
1468 | } |
1469 | ||
954c1994 GS |
1470 | /* |
1471 | =for apidoc perl_free | |
1472 | ||
1473 | Releases a Perl interpreter. See L<perlembed>. | |
1474 | ||
1475 | =cut | |
1476 | */ | |
1477 | ||
79072805 | 1478 | void |
0cb96387 | 1479 | perl_free(pTHXx) |
79072805 | 1480 | { |
5174512c NC |
1481 | dVAR; |
1482 | ||
7918f24d NC |
1483 | PERL_ARGS_ASSERT_PERL_FREE; |
1484 | ||
c301d606 DM |
1485 | if (PL_veto_cleanup) |
1486 | return; | |
1487 | ||
7cb608b5 | 1488 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1489 | { |
1490 | /* | |
1491 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1492 | * value as we're probably hunting memory leaks then | |
1493 | */ | |
36e77d41 | 1494 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1495 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1496 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1497 | thread at thread exit. */ | |
4fd0a9b8 NC |
1498 | if (DEBUG_m_TEST) { |
1499 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1500 | "free this thread's memory\n"); | |
1501 | PL_debug &= ~ DEBUG_m_FLAG; | |
1502 | } | |
6edcbed6 DD |
1503 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1504 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1505 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1506 | safesysfree(ptr); | |
1507 | } | |
4fd0a9b8 | 1508 | PL_debug = old_debug; |
55ef9aae MHM |
1509 | } |
1510 | } | |
7cb608b5 NC |
1511 | #endif |
1512 | ||
acfe0abc | 1513 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1514 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1515 | { |
acfe0abc | 1516 | # ifdef NETWARE |
7af12a34 | 1517 | void *host = nw_internal_host; |
7af12a34 | 1518 | PerlMem_free(aTHXx); |
7af12a34 | 1519 | nw_delete_internal_host(host); |
acfe0abc | 1520 | # else |
bdb50480 NC |
1521 | void *host = w32_internal_host; |
1522 | PerlMem_free(aTHXx); | |
7af12a34 | 1523 | win32_delete_internal_host(host); |
acfe0abc | 1524 | # endif |
7af12a34 | 1525 | } |
1c0ca838 GS |
1526 | # else |
1527 | PerlMem_free(aTHXx); | |
1528 | # endif | |
acfe0abc GS |
1529 | #else |
1530 | PerlMem_free(aTHXx); | |
76e3520e | 1531 | #endif |
79072805 LW |
1532 | } |
1533 | ||
b7f7fff6 | 1534 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1535 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1536 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1537 | ||
826955bd | 1538 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1539 | #pragma fini "perl_fini" |
666ad1ec GA |
1540 | #elif defined(__sun) && !defined(__GNUC__) |
1541 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1542 | #endif |
1543 | ||
0dbb1585 AL |
1544 | static void |
1545 | #if defined(__GNUC__) | |
1546 | __attribute__((destructor)) | |
aebd1ac7 | 1547 | #endif |
de009b76 | 1548 | perl_fini(void) |
aebd1ac7 | 1549 | { |
27da23d5 | 1550 | dVAR; |
5c64bffd NC |
1551 | if ( |
1552 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1553 | my_vars && | |
1554 | #endif | |
1555 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1556 | FREE_THREAD_KEY; |
1557 | } | |
1558 | ||
1559 | #endif /* WIN32 */ | |
1560 | #endif /* THREADS */ | |
1561 | ||
4b556e6c | 1562 | void |
864dbfa3 | 1563 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1564 | { |
3280af22 NIS |
1565 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1566 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1567 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1568 | ++PL_exitlistlen; | |
4b556e6c JD |
1569 | } |
1570 | ||
954c1994 GS |
1571 | /* |
1572 | =for apidoc perl_parse | |
1573 | ||
1574 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1575 | ||
1576 | =cut | |
1577 | */ | |
1578 | ||
03d9f026 FC |
1579 | #define SET_CURSTASH(newstash) \ |
1580 | if (PL_curstash != newstash) { \ | |
1581 | SvREFCNT_dec(PL_curstash); \ | |
1582 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1583 | } | |
1584 | ||
79072805 | 1585 | int |
0cb96387 | 1586 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1587 | { |
27da23d5 | 1588 | dVAR; |
6224f72b | 1589 | I32 oldscope; |
6224f72b | 1590 | int ret; |
db36c5a1 | 1591 | dJMPENV; |
8d063cd8 | 1592 | |
7918f24d NC |
1593 | PERL_ARGS_ASSERT_PERL_PARSE; |
1594 | #ifndef MULTIPLICITY | |
ed6c66dd | 1595 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1596 | #endif |
1a237f4f | 1597 | #if (defined(USE_HASH_SEED) || defined(USE_HASH_SEED_DEBUG)) && !defined(NO_PERL_HASH_SEED_DEBUG) |
b0891165 | 1598 | { |
7dc86639 YO |
1599 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1600 | ||
22ff3130 | 1601 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1602 | const unsigned char *seed= PERL_HASH_SEED; |
1603 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1604 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1605 | while (seed < seed_end) { | |
1606 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1607 | } | |
6a5b4183 YO |
1608 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1609 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1610 | PL_HASH_RAND_BITS_ENABLED, | |
1611 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1612 | #endif | |
7dc86639 YO |
1613 | PerlIO_printf(Perl_debug_log, "\n"); |
1614 | } | |
b0891165 | 1615 | } |
1a237f4f | 1616 | #endif /* #if (defined(USE_HASH_SEED) ... */ |
43238333 | 1617 | |
ea34f6bd | 1618 | #ifdef __amigaos4__ |
43238333 AB |
1619 | { |
1620 | struct NameTranslationInfo nti; | |
1621 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1622 | } | |
1623 | #endif | |
1624 | ||
3280af22 | 1625 | PL_origargc = argc; |
e2975953 | 1626 | PL_origargv = argv; |
a0d0e21e | 1627 | |
a2722ac9 GA |
1628 | if (PL_origalen != 0) { |
1629 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1630 | } | |
1631 | else { | |
3cb9023d JH |
1632 | /* Set PL_origalen be the sum of the contiguous argv[] |
1633 | * elements plus the size of the env in case that it is | |
e9137a8e | 1634 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1635 | * as the maximum modifiable length of $0. In the worst case |
1636 | * the area we are able to modify is limited to the size of | |
43c32782 | 1637 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1638 | * --jhi */ |
e1ec3a88 | 1639 | const char *s = NULL; |
b7249aaf | 1640 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1641 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1642 | const UV aligned = |
43c32782 JH |
1643 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1644 | ||
1645 | /* See if all the arguments are contiguous in memory. Note | |
1646 | * that 'contiguous' is a loose term because some platforms | |
1647 | * align the argv[] and the envp[]. If the arguments look | |
1648 | * like non-aligned, assume that they are 'strictly' or | |
1649 | * 'traditionally' contiguous. If the arguments look like | |
1650 | * aligned, we just check that they are within aligned | |
1651 | * PTRSIZE bytes. As long as no system has something bizarre | |
1652 | * like the argv[] interleaved with some other data, we are | |
1653 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb | 1654 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
19742f39 | 1655 | int i; |
c8941eeb JH |
1656 | while (*s) s++; |
1657 | for (i = 1; i < PL_origargc; i++) { | |
1658 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1659 | #ifdef OS2 |
c8941eeb | 1660 | || PL_origargv[i] == s + 2 |
43c32782 | 1661 | #endif |
c8941eeb JH |
1662 | ) |
1663 | || | |
1664 | (aligned && | |
1665 | (PL_origargv[i] > s && | |
1666 | PL_origargv[i] <= | |
1667 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1668 | ) | |
1669 | { | |
1670 | s = PL_origargv[i]; | |
1671 | while (*s) s++; | |
1672 | } | |
1673 | else | |
1674 | break; | |
54bfe034 | 1675 | } |
54bfe034 | 1676 | } |
a4a109c2 JD |
1677 | |
1678 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1679 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1680 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1681 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1682 | || |
1683 | (aligned && | |
1684 | (PL_origenviron[0] > s && | |
1685 | PL_origenviron[0] <= | |
1686 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1687 | ) | |
1688 | { | |
19742f39 | 1689 | int i; |
9d419b5f | 1690 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1691 | s = PL_origenviron[0]; |
1692 | while (*s) s++; | |
1693 | #endif | |
bd61b366 | 1694 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1695 | /* Force copy of environment. */ |
1696 | for (i = 1; PL_origenviron[i]; i++) { | |
1697 | if (PL_origenviron[i] == s + 1 | |
1698 | || | |
1699 | (aligned && | |
1700 | (PL_origenviron[i] > s && | |
1701 | PL_origenviron[i] <= | |
1702 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1703 | ) | |
1704 | { | |
1705 | s = PL_origenviron[i]; | |
1706 | while (*s) s++; | |
1707 | } | |
1708 | else | |
1709 | break; | |
54bfe034 | 1710 | } |
43c32782 | 1711 | } |
54bfe034 | 1712 | } |
a4a109c2 JD |
1713 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1714 | ||
2d2af554 | 1715 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1716 | } |
1717 | ||
3280af22 | 1718 | if (PL_do_undump) { |
a0d0e21e LW |
1719 | |
1720 | /* Come here if running an undumped a.out. */ | |
1721 | ||
3280af22 NIS |
1722 | PL_origfilename = savepv(argv[0]); |
1723 | PL_do_undump = FALSE; | |
a0d0e21e | 1724 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1725 | init_ids(); |
284167a5 | 1726 | assert (!TAINT_get); |
b7975bdd | 1727 | TAINT; |
e2051532 | 1728 | set_caret_X(); |
b7975bdd | 1729 | TAINT_NOT; |
a0d0e21e LW |
1730 | init_postdump_symbols(argc,argv,env); |
1731 | return 0; | |
1732 | } | |
1733 | ||
3280af22 | 1734 | if (PL_main_root) { |
3280af22 | 1735 | op_free(PL_main_root); |
5f66b61c | 1736 | PL_main_root = NULL; |
ff0cee69 | 1737 | } |
5f66b61c | 1738 | PL_main_start = NULL; |
3280af22 | 1739 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1740 | PL_main_cv = NULL; |
79072805 | 1741 | |
3280af22 NIS |
1742 | time(&PL_basetime); |
1743 | oldscope = PL_scopestack_ix; | |
599cee73 | 1744 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1745 | |
14dd3ad8 | 1746 | JMPENV_PUSH(ret); |
6224f72b | 1747 | switch (ret) { |
312caa8e | 1748 | case 0: |
14dd3ad8 | 1749 | parse_body(env,xsinit); |
9ebf26ad | 1750 | if (PL_unitcheckav) { |
3c10abe3 | 1751 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1752 | } |
1753 | if (PL_checkav) { | |
ca7b837b | 1754 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1755 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1756 | } |
14dd3ad8 GS |
1757 | ret = 0; |
1758 | break; | |
6224f72b GS |
1759 | case 1: |
1760 | STATUS_ALL_FAILURE; | |
924ba076 | 1761 | /* FALLTHROUGH */ |
6224f72b GS |
1762 | case 2: |
1763 | /* my_exit() was called */ | |
3280af22 | 1764 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1765 | LEAVE; |
1766 | FREETMPS; | |
03d9f026 | 1767 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1768 | if (PL_unitcheckav) { |
3c10abe3 | 1769 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1770 | } |
1771 | if (PL_checkav) { | |
ca7b837b | 1772 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1773 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1774 | } |
37038d91 | 1775 | ret = STATUS_EXIT; |
14dd3ad8 | 1776 | break; |
6224f72b | 1777 | case 3: |
bf49b057 | 1778 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1779 | ret = 1; |
1780 | break; | |
6224f72b | 1781 | } |
14dd3ad8 GS |
1782 | JMPENV_POP; |
1783 | return ret; | |
1784 | } | |
1785 | ||
4a5df386 NC |
1786 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1787 | miniperl, and we need to see those flags reflected in the values here. */ | |
1788 | ||
1789 | /* What this returns is subject to change. Use the public interface in Config. | |
1790 | */ | |
1791 | static void | |
1792 | S_Internals_V(pTHX_ CV *cv) | |
1793 | { | |
1794 | dXSARGS; | |
1795 | #ifdef LOCAL_PATCH_COUNT | |
1796 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1797 | #else | |
1798 | const int local_patch_count = 0; | |
1799 | #endif | |
2dc296d2 | 1800 | const int entries = 3 + local_patch_count; |
4a5df386 | 1801 | int i; |
fe1c5936 | 1802 | static const char non_bincompat_options[] = |
4a5df386 NC |
1803 | # ifdef DEBUGGING |
1804 | " DEBUGGING" | |
1805 | # endif | |
1806 | # ifdef NO_MATHOMS | |
0d311fbe | 1807 | " NO_MATHOMS" |
4a5df386 | 1808 | # endif |
59b86f4b DM |
1809 | # ifdef NO_HASH_SEED |
1810 | " NO_HASH_SEED" | |
1811 | # endif | |
3b0e4ee2 MB |
1812 | # ifdef NO_TAINT_SUPPORT |
1813 | " NO_TAINT_SUPPORT" | |
1814 | # endif | |
cb26ef7a MB |
1815 | # ifdef PERL_BOOL_AS_CHAR |
1816 | " PERL_BOOL_AS_CHAR" | |
1817 | # endif | |
93c10d60 FC |
1818 | # ifdef PERL_COPY_ON_WRITE |
1819 | " PERL_COPY_ON_WRITE" | |
1820 | # endif | |
4a5df386 NC |
1821 | # ifdef PERL_DISABLE_PMC |
1822 | " PERL_DISABLE_PMC" | |
1823 | # endif | |
1824 | # ifdef PERL_DONT_CREATE_GVSV | |
1825 | " PERL_DONT_CREATE_GVSV" | |
1826 | # endif | |
9a044a43 NC |
1827 | # ifdef PERL_EXTERNAL_GLOB |
1828 | " PERL_EXTERNAL_GLOB" | |
1829 | # endif | |
59b86f4b DM |
1830 | # ifdef PERL_HASH_FUNC_SIPHASH |
1831 | " PERL_HASH_FUNC_SIPHASH" | |
1832 | # endif | |
1833 | # ifdef PERL_HASH_FUNC_SDBM | |
1834 | " PERL_HASH_FUNC_SDBM" | |
1835 | # endif | |
1836 | # ifdef PERL_HASH_FUNC_DJB2 | |
1837 | " PERL_HASH_FUNC_DJB2" | |
1838 | # endif | |
1839 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1840 | " PERL_HASH_FUNC_SUPERFAST" | |
1841 | # endif | |
1842 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1843 | " PERL_HASH_FUNC_MURMUR3" | |
1844 | # endif | |
1845 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1846 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1847 | # endif | |
1848 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1849 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1850 | # endif | |
1851 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1852 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1853 | # endif | |
4a5df386 NC |
1854 | # ifdef PERL_IS_MINIPERL |
1855 | " PERL_IS_MINIPERL" | |
1856 | # endif | |
1857 | # ifdef PERL_MALLOC_WRAP | |
1858 | " PERL_MALLOC_WRAP" | |
1859 | # endif | |
1860 | # ifdef PERL_MEM_LOG | |
1861 | " PERL_MEM_LOG" | |
1862 | # endif | |
1863 | # ifdef PERL_MEM_LOG_NOIMPL | |
1864 | " PERL_MEM_LOG_NOIMPL" | |
1865 | # endif | |
4e499636 DM |
1866 | # ifdef PERL_OP_PARENT |
1867 | " PERL_OP_PARENT" | |
1868 | # endif | |
59b86f4b DM |
1869 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1870 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1871 | # endif | |
1872 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1873 | " PERL_PERTURB_KEYS_DISABLED" | |
1874 | # endif | |
1875 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1876 | " PERL_PERTURB_KEYS_RANDOM" | |
1877 | # endif | |
c3cf41ec NC |
1878 | # ifdef PERL_PRESERVE_IVUV |
1879 | " PERL_PRESERVE_IVUV" | |
1880 | # endif | |
c051e30b NC |
1881 | # ifdef PERL_RELOCATABLE_INCPUSH |
1882 | " PERL_RELOCATABLE_INCPUSH" | |
1883 | # endif | |
4a5df386 NC |
1884 | # ifdef PERL_USE_DEVEL |
1885 | " PERL_USE_DEVEL" | |
1886 | # endif | |
1887 | # ifdef PERL_USE_SAFE_PUTENV | |
1888 | " PERL_USE_SAFE_PUTENV" | |
1889 | # endif | |
102b7877 YO |
1890 | # ifdef SILENT_NO_TAINT_SUPPORT |
1891 | " SILENT_NO_TAINT_SUPPORT" | |
1892 | # endif | |
a3749cf3 NC |
1893 | # ifdef UNLINK_ALL_VERSIONS |
1894 | " UNLINK_ALL_VERSIONS" | |
1895 | # endif | |
de618ee4 NC |
1896 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1897 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1898 | # endif | |
4a5df386 NC |
1899 | # ifdef USE_FAST_STDIO |
1900 | " USE_FAST_STDIO" | |
1901 | # endif | |
98548bdf NC |
1902 | # ifdef USE_LOCALE |
1903 | " USE_LOCALE" | |
1904 | # endif | |
98548bdf NC |
1905 | # ifdef USE_LOCALE_CTYPE |
1906 | " USE_LOCALE_CTYPE" | |
1907 | # endif | |
6937817d DD |
1908 | # ifdef WIN32_NO_REGISTRY |
1909 | " USE_NO_REGISTRY" | |
1910 | # endif | |
5a8d8935 NC |
1911 | # ifdef USE_PERL_ATOF |
1912 | " USE_PERL_ATOF" | |
1913 | # endif | |
0d311fbe NC |
1914 | # ifdef USE_SITECUSTOMIZE |
1915 | " USE_SITECUSTOMIZE" | |
1916 | # endif | |
4a5df386 NC |
1917 | ; |
1918 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1919 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1920 | |
1921 | EXTEND(SP, entries); | |
1922 | ||
1923 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1924 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1925 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1926 | ||
6baa8dbd NT |
1927 | #ifndef PERL_BUILD_DATE |
1928 | # ifdef __DATE__ | |
1929 | # ifdef __TIME__ | |
1930 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1931 | # else | |
1932 | # define PERL_BUILD_DATE __DATE__ | |
1933 | # endif | |
1934 | # endif | |
1935 | #endif | |
1936 | ||
1937 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1938 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1939 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1940 | SVs_TEMP)); |
4a5df386 NC |
1941 | #else |
1942 | PUSHs(&PL_sv_undef); | |
1943 | #endif | |
1944 | ||
4a5df386 NC |
1945 | for (i = 1; i <= local_patch_count; i++) { |
1946 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1947 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1948 | } | |
1949 | ||
1950 | XSRETURN(entries); | |
1951 | } | |
1952 | ||
be71fc8f NC |
1953 | #define INCPUSH_UNSHIFT 0x01 |
1954 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1955 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1956 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1957 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1958 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1959 | #define INCPUSH_ADD_SUB_DIRS \ |
1960 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1961 | |
312caa8e | 1962 | STATIC void * |
14dd3ad8 | 1963 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1964 | { |
27da23d5 | 1965 | dVAR; |
2f9285f8 | 1966 | PerlIO *rsfp; |
312caa8e | 1967 | int argc = PL_origargc; |
8f42b153 | 1968 | char **argv = PL_origargv; |
e1ec3a88 | 1969 | const char *scriptname = NULL; |
402582ca | 1970 | bool dosearch = FALSE; |
eb578fdb | 1971 | char c; |
737c24fc | 1972 | bool doextract = FALSE; |
bd61b366 | 1973 | const char *cddir = NULL; |
ab019eaa | 1974 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1975 | bool minus_f = FALSE; |
ab019eaa | 1976 | #endif |
95670bde | 1977 | SV *linestr_sv = NULL; |
5486870f | 1978 | bool add_read_e_script = FALSE; |
87606032 | 1979 | U32 lex_start_flags = 0; |
009d90df | 1980 | |
ca7b837b | 1981 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1982 | |
6224f72b | 1983 | init_main_stash(); |
54310121 | 1984 | |
c7030b81 NC |
1985 | { |
1986 | const char *s; | |
6224f72b GS |
1987 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1988 | if (argv[0][0] != '-' || !argv[0][1]) | |
1989 | break; | |
6224f72b GS |
1990 | s = argv[0]+1; |
1991 | reswitch: | |
47f56822 | 1992 | switch ((c = *s)) { |
729a02f2 | 1993 | case 'C': |
1d5472a9 GS |
1994 | #ifndef PERL_STRICT_CR |
1995 | case '\r': | |
1996 | #endif | |
6224f72b GS |
1997 | case ' ': |
1998 | case '0': | |
1999 | case 'F': | |
2000 | case 'a': | |
2001 | case 'c': | |
2002 | case 'd': | |
2003 | case 'D': | |
2004 | case 'h': | |
2005 | case 'i': | |
2006 | case 'l': | |
2007 | case 'M': | |
2008 | case 'm': | |
2009 | case 'n': | |
2010 | case 'p': | |
2011 | case 's': | |
2012 | case 'u': | |
2013 | case 'U': | |
2014 | case 'v': | |
599cee73 PM |
2015 | case 'W': |
2016 | case 'X': | |
6224f72b | 2017 | case 'w': |
97bd5664 | 2018 | if ((s = moreswitches(s))) |
6224f72b GS |
2019 | goto reswitch; |
2020 | break; | |
33b78306 | 2021 | |
1dbad523 | 2022 | case 't': |
dc6d7f5c | 2023 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2024 | /* silently ignore */ |
dc6d7f5c | 2025 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2026 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2027 | "Cowardly refusing to run with -t or -T flags"); |
2028 | #else | |
22f7c9c9 | 2029 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
2030 | if( !TAINTING_get ) { |
2031 | TAINT_WARN_set(TRUE); | |
2032 | TAINTING_set(TRUE); | |
317ea90d | 2033 | } |
284167a5 | 2034 | #endif |
317ea90d MS |
2035 | s++; |
2036 | goto reswitch; | |
6224f72b | 2037 | case 'T': |
dc6d7f5c | 2038 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2039 | /* silently ignore */ |
dc6d7f5c | 2040 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2041 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2042 | "Cowardly refusing to run with -t or -T flags"); |
2043 | #else | |
22f7c9c9 | 2044 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2045 | TAINTING_set(TRUE); |
2046 | TAINT_WARN_set(FALSE); | |
2047 | #endif | |
6224f72b GS |
2048 | s++; |
2049 | goto reswitch; | |
f86702cc | 2050 | |
bc9b29db RH |
2051 | case 'E': |
2052 | PL_minus_E = TRUE; | |
924ba076 | 2053 | /* FALLTHROUGH */ |
6224f72b | 2054 | case 'e': |
f20b2998 | 2055 | forbid_setid('e', FALSE); |
3280af22 | 2056 | if (!PL_e_script) { |
396482e1 | 2057 | PL_e_script = newSVpvs(""); |
5486870f | 2058 | add_read_e_script = TRUE; |
6224f72b GS |
2059 | } |
2060 | if (*++s) | |
3280af22 | 2061 | sv_catpv(PL_e_script, s); |
6224f72b | 2062 | else if (argv[1]) { |
3280af22 | 2063 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2064 | argc--,argv++; |
2065 | } | |
2066 | else | |
47f56822 | 2067 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2068 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2069 | break; |
afe37c7d | 2070 | |
20ef40cf | 2071 | case 'f': |
f5542d3a | 2072 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2073 | minus_f = TRUE; |
f5542d3a | 2074 | #endif |
20ef40cf GA |
2075 | s++; |
2076 | goto reswitch; | |
2077 | ||
6224f72b | 2078 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2079 | forbid_setid('I', FALSE); |
bd61b366 | 2080 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2081 | argc--,argv++; |
2082 | } | |
6224f72b | 2083 | if (s && *s) { |
0df16ed7 | 2084 | STRLEN len = strlen(s); |
55b4bc1c | 2085 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2086 | } |
2087 | else | |
a67e862a | 2088 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2089 | break; |
6224f72b | 2090 | case 'S': |
f20b2998 | 2091 | forbid_setid('S', FALSE); |
6224f72b GS |
2092 | dosearch = TRUE; |
2093 | s++; | |
2094 | goto reswitch; | |
2095 | case 'V': | |
7edfd0ef NC |
2096 | { |
2097 | SV *opts_prog; | |
2098 | ||
7edfd0ef | 2099 | if (*++s != ':') { |
37ca4a5b | 2100 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2101 | } |
2102 | else { | |
2103 | ++s; | |
2104 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2105 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2106 | 0, s, 0); |
2107 | s += strlen(s); | |
2108 | } | |
37ca4a5b | 2109 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2110 | /* don't look for script or read stdin */ |
2111 | scriptname = BIT_BUCKET; | |
2112 | goto reswitch; | |
6224f72b | 2113 | } |
6224f72b | 2114 | case 'x': |
737c24fc | 2115 | doextract = TRUE; |
6224f72b | 2116 | s++; |
304334da | 2117 | if (*s) |
f4c556ac | 2118 | cddir = s; |
6224f72b GS |
2119 | break; |
2120 | case 0: | |
2121 | break; | |
2122 | case '-': | |
2123 | if (!*++s || isSPACE(*s)) { | |
2124 | argc--,argv++; | |
2125 | goto switch_end; | |
2126 | } | |
ee8bc8b7 NC |
2127 | /* catch use of gnu style long options. |
2128 | Both of these exit immediately. */ | |
2129 | if (strEQ(s, "version")) | |
2130 | minus_v(); | |
2131 | if (strEQ(s, "help")) | |
2132 | usage(); | |
6224f72b | 2133 | s--; |
924ba076 | 2134 | /* FALLTHROUGH */ |
6224f72b | 2135 | default: |
cea2e8a9 | 2136 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2137 | } |
2138 | } | |
c7030b81 NC |
2139 | } |
2140 | ||
6224f72b | 2141 | switch_end: |
54310121 | 2142 | |
c7030b81 NC |
2143 | { |
2144 | char *s; | |
2145 | ||
f675dbe5 CB |
2146 | if ( |
2147 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2148 | !TAINTING_get && |
f675dbe5 | 2149 | #endif |
cf756827 | 2150 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2151 | { |
9e0b0d62 KW |
2152 | /* s points to static memory in getenv(), which may be overwritten at |
2153 | * any time; use a mortal copy instead */ | |
2154 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2155 | ||
74288ac8 GS |
2156 | while (isSPACE(*s)) |
2157 | s++; | |
317ea90d | 2158 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2159 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2160 | /* silently ignore */ |
dc6d7f5c | 2161 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2162 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2163 | "Cowardly refusing to run with -t or -T flags"); |
2164 | #else | |
22f7c9c9 | 2165 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2166 | TAINTING_set(TRUE); |
2167 | TAINT_WARN_set(FALSE); | |
2168 | #endif | |
317ea90d | 2169 | } |
74288ac8 | 2170 | else { |
bd61b366 | 2171 | char *popt_copy = NULL; |
74288ac8 | 2172 | while (s && *s) { |
54913509 | 2173 | const char *d; |
74288ac8 GS |
2174 | while (isSPACE(*s)) |
2175 | s++; | |
2176 | if (*s == '-') { | |
2177 | s++; | |
2178 | if (isSPACE(*s)) | |
2179 | continue; | |
2180 | } | |
4ea8f8fb | 2181 | d = s; |
74288ac8 GS |
2182 | if (!*s) |
2183 | break; | |
2b622f1a | 2184 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2185 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2186 | while (++s && *s) { |
2187 | if (isSPACE(*s)) { | |
cf756827 | 2188 | if (!popt_copy) { |
bfa6c418 NC |
2189 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2190 | s = popt_copy + (s - d); | |
2191 | d = popt_copy; | |
cf756827 | 2192 | } |
4ea8f8fb MS |
2193 | *s++ = '\0'; |
2194 | break; | |
2195 | } | |
2196 | } | |
1c4db469 | 2197 | if (*d == 't') { |
dc6d7f5c | 2198 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2199 | /* silently ignore */ |
dc6d7f5c | 2200 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2201 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2202 | "Cowardly refusing to run with -t or -T flags"); |
2203 | #else | |
2204 | if( !TAINTING_get) { | |
2205 | TAINT_WARN_set(TRUE); | |
2206 | TAINTING_set(TRUE); | |
317ea90d | 2207 | } |
284167a5 | 2208 | #endif |
1c4db469 | 2209 | } else { |
97bd5664 | 2210 | moreswitches(d); |
1c4db469 | 2211 | } |
6224f72b | 2212 | } |
6224f72b GS |
2213 | } |
2214 | } | |
c7030b81 | 2215 | } |
a0d0e21e | 2216 | |
d6295071 TC |
2217 | #ifndef NO_PERL_INTERNAL_RAND_SEED |
2218 | /* If we're not set[ug]id, we might have honored | |
2219 | PERL_INTERNAL_RAND_SEED in perl_construct(). | |
2220 | At this point command-line options have been parsed, so if | |
2221 | we're now tainting and not set[ug]id re-seed. | |
2222 | This could possibly be wasteful if PERL_INTERNAL_RAND_SEED is invalid, | |
2223 | but avoids duplicating the logic from perl_construct(). | |
2224 | */ | |
2225 | if (PL_tainting && | |
2226 | PerlProc_getuid() == PerlProc_geteuid() && | |
2227 | PerlProc_getgid() == PerlProc_getegid()) { | |
2228 | Perl_drand48_init_r(&PL_internal_random_state, seed()); | |
2229 | } | |
2230 | #endif | |
2231 | ||
c29067d7 CH |
2232 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2233 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2234 | assert (!TAINT_get); |
c29067d7 | 2235 | TAINT; |
e2051532 | 2236 | set_caret_X(); |
c29067d7 CH |
2237 | TAINT_NOT; |
2238 | ||
43c0c913 | 2239 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2240 | if (!minus_f) { |
43c0c913 | 2241 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2242 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2243 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2244 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2245 | # ifdef PERL_IS_MINIPERL |
2246 | AV *const inc = GvAV(PL_incgv); | |
2247 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2248 | ||
2249 | if (inc0) { | |
15870c5c NC |
2250 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2251 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2252 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2253 | Perl_newSVpvf(aTHX_ | |
147e3846 | 2254 | "BEGIN { my $f = q%c%s%" SVf "/buildcustomize.pl%c; " |
af26e4f2 FC |
2255 | "do {local $!; -f $f }" |
2256 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2257 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2258 | } |
2259 | # else | |
2260 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2261 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2262 | if (raw_sitelib) { |
2263 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2264 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2265 | INCPUSH_CAN_RELOCATE); | |
2266 | const char *const sitelib = SvPVX(sitelib_sv); | |
2267 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2268 | Perl_newSVpvf(aTHX_ | |
2269 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2270 | 0, SVfARG(sitelib), 0, |
2271 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2272 | assert (SvREFCNT(sitelib_sv) == 1); |
2273 | SvREFCNT_dec(sitelib_sv); | |
2274 | } | |
43c0c913 | 2275 | # endif |
20ef40cf GA |
2276 | } |
2277 | #endif | |
2278 | ||
6224f72b GS |
2279 | if (!scriptname) |
2280 | scriptname = argv[0]; | |
3280af22 | 2281 | if (PL_e_script) { |
6224f72b GS |
2282 | argc++,argv--; |
2283 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2284 | } | |
bd61b366 | 2285 | else if (scriptname == NULL) { |
6224f72b GS |
2286 | #ifdef MSDOS |
2287 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2288 | moreswitches("h"); |
6224f72b GS |
2289 | #endif |
2290 | scriptname = "-"; | |
2291 | } | |
2292 | ||
284167a5 | 2293 | assert (!TAINT_get); |
2cace6ac | 2294 | init_perllib(); |
6224f72b | 2295 | |
a52eba0e | 2296 | { |
f20b2998 | 2297 | bool suidscript = FALSE; |
829372d3 | 2298 | |
8d113837 | 2299 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2300 | if (!rsfp) { |
2301 | rsfp = PerlIO_stdin(); | |
87606032 | 2302 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2303 | } |
6224f72b | 2304 | |
b24bc095 | 2305 | validate_suid(rsfp); |
6224f72b | 2306 | |
64ca3a65 | 2307 | #ifndef PERL_MICRO |
a52eba0e NC |
2308 | # if defined(SIGCHLD) || defined(SIGCLD) |
2309 | { | |
2310 | # ifndef SIGCHLD | |
2311 | # define SIGCHLD SIGCLD | |
2312 | # endif | |
2313 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2314 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2315 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2316 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2317 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2318 | } | |
0b5b802d | 2319 | } |
a52eba0e | 2320 | # endif |
64ca3a65 | 2321 | #endif |
0b5b802d | 2322 | |
737c24fc | 2323 | if (doextract) { |
faef540c | 2324 | |
f20b2998 | 2325 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2326 | setuid scripts. */ |
2327 | forbid_setid('x', suidscript); | |
f20b2998 | 2328 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2329 | |
95670bde NC |
2330 | linestr_sv = newSV_type(SVt_PV); |
2331 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2332 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2333 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2334 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2335 | } | |
f4c556ac | 2336 | } |
6224f72b | 2337 | |
ea726b52 | 2338 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2339 | CvUNIQUE_on(PL_compcv); |
2340 | ||
eacbb379 | 2341 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2342 | |
dd69841b BB |
2343 | PL_isarev = newHV(); |
2344 | ||
0c4f7ff0 | 2345 | boot_core_PerlIO(); |
6224f72b | 2346 | boot_core_UNIVERSAL(); |
e1a479c5 | 2347 | boot_core_mro(); |
4a5df386 | 2348 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2349 | |
2350 | if (xsinit) | |
acfe0abc | 2351 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2352 | #ifndef PERL_MICRO |
739a0b84 | 2353 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2354 | init_os_extras(); |
6224f72b | 2355 | #endif |
64ca3a65 | 2356 | #endif |
6224f72b | 2357 | |
29209bc5 | 2358 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2359 | # ifdef HAS_SOCKS5_INIT |
2360 | socks5_init(argv[0]); | |
2361 | # else | |
29209bc5 | 2362 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2363 | # endif |
ac27b0f5 | 2364 | #endif |
29209bc5 | 2365 | |
6224f72b GS |
2366 | init_predump_symbols(); |
2367 | /* init_postdump_symbols not currently designed to be called */ | |
2368 | /* more than once (ENV isn't cleared first, for example) */ | |
2369 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2370 | if (!PL_do_undump) |
6224f72b GS |
2371 | init_postdump_symbols(argc,argv,env); |
2372 | ||
27da23d5 JH |
2373 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2374 | * or explicitly in some platforms. | |
73e1bd1a | 2375 | * PL_utf8locale is conditionally turned on by |
085a54d9 | 2376 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2377 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2378 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2379 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2380 | #endif | |
e27b5b51 | 2381 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2382 | if (PL_unicode) { |
2383 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2384 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2385 | IO* io; |
2386 | PerlIO* fp; | |
2387 | SV* sv; | |
2388 | ||
a05d7ebb | 2389 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2390 | * and the default open disciplines. */ |
a05d7ebb JH |
2391 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2392 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2393 | (fp = IoIFP(io))) | |
2394 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2395 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2396 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2397 | (fp = IoOFP(io))) | |
2398 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2399 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2400 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2401 | (fp = IoOFP(io))) | |
2402 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2403 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2404 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2405 | SVt_PV)))) { | |
a05d7ebb JH |
2406 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2407 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2408 | if (in) { | |
2409 | if (out) | |
76f68e9b | 2410 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2411 | else |
76f68e9b | 2412 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2413 | } |
2414 | else if (out) | |
76f68e9b | 2415 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2416 | SvSETMAGIC(sv); |
2417 | } | |
b310b053 JH |
2418 | } |
2419 | } | |
e27b5b51 | 2420 | #endif |
b310b053 | 2421 | |
c7030b81 NC |
2422 | { |
2423 | const char *s; | |
4ffa73a3 JH |
2424 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2425 | if (strEQ(s, "unsafe")) | |
2426 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2427 | else if (strEQ(s, "safe")) | |
2428 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2429 | else | |
2430 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2431 | } | |
c7030b81 | 2432 | } |
4ffa73a3 | 2433 | |
81d86705 | 2434 | |
87606032 | 2435 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2436 | SvREFCNT_dec(linestr_sv); |
95670bde | 2437 | |
219f7226 | 2438 | PL_subname = newSVpvs("main"); |
6224f72b | 2439 | |
5486870f DM |
2440 | if (add_read_e_script) |
2441 | filter_add(read_e_script, NULL); | |
2442 | ||
6224f72b GS |
2443 | /* now parse the script */ |
2444 | ||
93189314 | 2445 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2446 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
c77da5ff | 2447 | abort_execution("", PL_origfilename); |
6224f72b | 2448 | } |
57843af0 | 2449 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2450 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2451 | if (PL_e_script) { |
2452 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2453 | PL_e_script = NULL; |
6224f72b GS |
2454 | } |
2455 | ||
3280af22 | 2456 | if (PL_do_undump) |
6224f72b GS |
2457 | my_unexec(); |
2458 | ||
57843af0 GS |
2459 | if (isWARN_ONCE) { |
2460 | SAVECOPFILE(PL_curcop); | |
2461 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2462 | gv_check(PL_defstash); |
57843af0 | 2463 | } |
6224f72b GS |
2464 | |
2465 | LEAVE; | |
2466 | FREETMPS; | |
2467 | ||
2468 | #ifdef MYMALLOC | |
f6a607bc RGS |
2469 | { |
2470 | const char *s; | |
22ff3130 HS |
2471 | UV uv; |
2472 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2473 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2474 | dump_mstats("after compilation:"); |
f6a607bc | 2475 | } |
6224f72b GS |
2476 | #endif |
2477 | ||
2478 | ENTER; | |
febb3a6d | 2479 | PL_restartjmpenv = NULL; |
3280af22 | 2480 | PL_restartop = 0; |
312caa8e | 2481 | return NULL; |
6224f72b GS |
2482 | } |
2483 | ||
954c1994 GS |
2484 | /* |
2485 | =for apidoc perl_run | |
2486 | ||
2487 | Tells a Perl interpreter to run. See L<perlembed>. | |
2488 | ||
2489 | =cut | |
2490 | */ | |
2491 | ||
6224f72b | 2492 | int |
0cb96387 | 2493 | perl_run(pTHXx) |
6224f72b | 2494 | { |
6224f72b | 2495 | I32 oldscope; |
14dd3ad8 | 2496 | int ret = 0; |
db36c5a1 | 2497 | dJMPENV; |
6224f72b | 2498 | |
7918f24d NC |
2499 | PERL_ARGS_ASSERT_PERL_RUN; |
2500 | #ifndef MULTIPLICITY | |
ed6c66dd | 2501 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2502 | #endif |
9d4ba2ae | 2503 | |
3280af22 | 2504 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2505 | #ifdef VMS |
2506 | VMSISH_HUSHED = 0; | |
2507 | #endif | |
6224f72b | 2508 | |
14dd3ad8 | 2509 | JMPENV_PUSH(ret); |
6224f72b GS |
2510 | switch (ret) { |
2511 | case 1: | |
2512 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2513 | goto redo_body; |
14dd3ad8 | 2514 | case 0: /* normal completion */ |
14dd3ad8 GS |
2515 | redo_body: |
2516 | run_body(oldscope); | |
924ba076 | 2517 | /* FALLTHROUGH */ |
14dd3ad8 | 2518 | case 2: /* my_exit() */ |
3280af22 | 2519 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2520 | LEAVE; |
2521 | FREETMPS; | |
03d9f026 | 2522 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2523 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2524 | PL_endav && !PL_minus_c) { |
ca7b837b | 2525 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2526 | call_list(oldscope, PL_endav); |
9ebf26ad | 2527 | } |
6224f72b GS |
2528 | #ifdef MYMALLOC |
2529 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2530 | dump_mstats("after execution: "); | |
2531 | #endif | |
37038d91 | 2532 | ret = STATUS_EXIT; |
14dd3ad8 | 2533 | break; |
6224f72b | 2534 | case 3: |
312caa8e CS |
2535 | if (PL_restartop) { |
2536 | POPSTACK_TO(PL_mainstack); | |
2537 | goto redo_body; | |
6224f72b | 2538 | } |
5637ef5b | 2539 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2540 | FREETMPS; |
14dd3ad8 GS |
2541 | ret = 1; |
2542 | break; | |
6224f72b GS |
2543 | } |
2544 | ||
14dd3ad8 GS |
2545 | JMPENV_POP; |
2546 | return ret; | |
312caa8e CS |
2547 | } |
2548 | ||
dd374669 | 2549 | STATIC void |
14dd3ad8 GS |
2550 | S_run_body(pTHX_ I32 oldscope) |
2551 | { | |
d3b97530 DM |
2552 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2553 | PL_sawampersand ? "Enabling" : "Omitting", | |
2554 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2555 | |
3280af22 | 2556 | if (!PL_restartop) { |
cf2782cd | 2557 | #ifdef DEBUGGING |
f0e3f042 CS |
2558 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2559 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2560 | if (!DEBUG_q_TEST) |
2561 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2562 | #endif |
6224f72b | 2563 | |
3280af22 | 2564 | if (PL_minus_c) { |
bf49b057 | 2565 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2566 | my_exit(0); |
2567 | } | |
3280af22 | 2568 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2569 | PL_DBsingle_iv = 1; |
9ebf26ad | 2570 | if (PL_initav) { |
ca7b837b | 2571 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2572 | call_list(oldscope, PL_initav); |
9ebf26ad | 2573 | } |
f1fac472 | 2574 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2575 | if (PL_main_root && PL_main_root->op_slabbed) |
2576 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2577 | #endif |
6224f72b GS |
2578 | } |
2579 | ||
2580 | /* do it */ | |
2581 | ||
ca7b837b | 2582 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2583 | |
3280af22 | 2584 | if (PL_restartop) { |
febb3a6d | 2585 | PL_restartjmpenv = NULL; |
533c011a | 2586 | PL_op = PL_restartop; |
3280af22 | 2587 | PL_restartop = 0; |
cea2e8a9 | 2588 | CALLRUNOPS(aTHX); |
6224f72b | 2589 | } |
3280af22 NIS |
2590 | else if (PL_main_start) { |
2591 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2592 | PL_op = PL_main_start; |
cea2e8a9 | 2593 | CALLRUNOPS(aTHX); |
6224f72b | 2594 | } |
f6b3007c | 2595 | my_exit(0); |
e5964223 | 2596 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2597 | } |
2598 | ||
954c1994 | 2599 | /* |
ccfc67b7 JH |
2600 | =head1 SV Manipulation Functions |
2601 | ||
954c1994 GS |
2602 | =for apidoc p||get_sv |
2603 | ||
64ace3f8 | 2604 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2605 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2606 | Perl variable does not exist then it will be created. If C<flags> is zero |
2607 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2608 | |
2609 | =cut | |
2610 | */ | |
2611 | ||
6224f72b | 2612 | SV* |
64ace3f8 | 2613 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2614 | { |
2615 | GV *gv; | |
7918f24d NC |
2616 | |
2617 | PERL_ARGS_ASSERT_GET_SV; | |
2618 | ||
64ace3f8 | 2619 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2620 | if (gv) |
2621 | return GvSV(gv); | |
a0714e2c | 2622 | return NULL; |
6224f72b GS |
2623 | } |
2624 | ||
954c1994 | 2625 | /* |
ccfc67b7 JH |
2626 | =head1 Array Manipulation Functions |
2627 | ||
954c1994 GS |
2628 | =for apidoc p||get_av |
2629 | ||
f0b90de1 SF |
2630 | Returns the AV of the specified Perl global or package array with the given |
2631 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2632 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2633 | Perl variable does not exist then it will be created. If C<flags> is zero |
2634 | and the variable does not exist then NULL is returned. | |
954c1994 | 2635 | |
f0b90de1 SF |
2636 | Perl equivalent: C<@{"$name"}>. |
2637 | ||
954c1994 GS |
2638 | =cut |
2639 | */ | |
2640 | ||
6224f72b | 2641 | AV* |
cbfd0a87 | 2642 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2643 | { |
cbfd0a87 | 2644 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2645 | |
2646 | PERL_ARGS_ASSERT_GET_AV; | |
2647 | ||
cbfd0a87 | 2648 | if (flags) |
6224f72b GS |
2649 | return GvAVn(gv); |
2650 | if (gv) | |
2651 | return GvAV(gv); | |
7d49f689 | 2652 | return NULL; |
6224f72b GS |
2653 | } |
2654 | ||
954c1994 | 2655 | /* |
ccfc67b7 JH |
2656 | =head1 Hash Manipulation Functions |
2657 | ||
954c1994 GS |
2658 | =for apidoc p||get_hv |
2659 | ||
6673a63c | 2660 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2661 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2662 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2663 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2664 | |
2665 | =cut | |
2666 | */ | |
2667 | ||
6224f72b | 2668 | HV* |
6673a63c | 2669 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2670 | { |
6673a63c | 2671 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2672 | |
2673 | PERL_ARGS_ASSERT_GET_HV; | |
2674 | ||
6673a63c | 2675 | if (flags) |
a0d0e21e LW |
2676 | return GvHVn(gv); |
2677 | if (gv) | |
2678 | return GvHV(gv); | |
5c284bb0 | 2679 | return NULL; |
a0d0e21e LW |
2680 | } |
2681 | ||
954c1994 | 2682 | /* |
ccfc67b7 JH |
2683 | =head1 CV Manipulation Functions |
2684 | ||
780a5241 NC |
2685 | =for apidoc p||get_cvn_flags |
2686 | ||
2687 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2688 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2689 | exist then it will be declared (which has the same effect as saying |
2690 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2691 | then NULL is returned. | |
2692 | ||
954c1994 GS |
2693 | =for apidoc p||get_cv |
2694 | ||
780a5241 | 2695 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2696 | |
2697 | =cut | |
2698 | */ | |
2699 | ||
a0d0e21e | 2700 | CV* |
780a5241 | 2701 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2702 | { |
780a5241 | 2703 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2704 | |
2705 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2706 | ||
a385812b | 2707 | if (gv && UNLIKELY(SvROK(gv)) && SvTYPE(SvRV((SV *)gv)) == SVt_PVCV) |
e05a85b2 | 2708 | return (CV*)SvRV((SV *)gv); |
a385812b | 2709 | |
334dda80 FC |
2710 | /* XXX this is probably not what they think they're getting. |
2711 | * It has the same effect as "sub name;", i.e. just a forward | |
2712 | * declaration! */ | |
780a5241 | 2713 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2714 | return newSTUB(gv,0); |
780a5241 | 2715 | } |
a0d0e21e | 2716 | if (gv) |
8ebc5c01 | 2717 | return GvCVu(gv); |
601f1833 | 2718 | return NULL; |
a0d0e21e LW |
2719 | } |
2720 | ||
2c67934f NC |
2721 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2722 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2723 | CV* |
2724 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2725 | { | |
7918f24d NC |
2726 | PERL_ARGS_ASSERT_GET_CV; |
2727 | ||
780a5241 NC |
2728 | return get_cvn_flags(name, strlen(name), flags); |
2729 | } | |
2730 | ||
79072805 LW |
2731 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2732 | ||
954c1994 | 2733 | /* |
ccfc67b7 JH |
2734 | |
2735 | =head1 Callback Functions | |
2736 | ||
954c1994 GS |
2737 | =for apidoc p||call_argv |
2738 | ||
f0b90de1 | 2739 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2740 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2741 | L<perlcall>. |
f0b90de1 SF |
2742 | |
2743 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2744 | |
2745 | =cut | |
2746 | */ | |
2747 | ||
a0d0e21e | 2748 | I32 |
5aaab254 | 2749 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2750 | |
8ac85365 NIS |
2751 | /* See G_* flags in cop.h */ |
2752 | /* null terminated arg list */ | |
8990e307 | 2753 | { |
a0d0e21e | 2754 | dSP; |
8990e307 | 2755 | |
7918f24d NC |
2756 | PERL_ARGS_ASSERT_CALL_ARGV; |
2757 | ||
924508f0 | 2758 | PUSHMARK(SP); |
3dc78631 DM |
2759 | while (*argv) { |
2760 | mXPUSHs(newSVpv(*argv,0)); | |
2761 | argv++; | |
8990e307 | 2762 | } |
3dc78631 | 2763 | PUTBACK; |
864dbfa3 | 2764 | return call_pv(sub_name, flags); |
8990e307 LW |
2765 | } |
2766 | ||
954c1994 GS |
2767 | /* |
2768 | =for apidoc p||call_pv | |
2769 | ||
2770 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2771 | ||
2772 | =cut | |
2773 | */ | |
2774 | ||
a0d0e21e | 2775 | I32 |
864dbfa3 | 2776 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2777 | /* name of the subroutine */ |
2778 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2779 | { |
7918f24d NC |
2780 | PERL_ARGS_ASSERT_CALL_PV; |
2781 | ||
0da0e728 | 2782 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2783 | } |
2784 | ||
954c1994 GS |
2785 | /* |
2786 | =for apidoc p||call_method | |
2787 | ||
2788 | Performs a callback to the specified Perl method. The blessed object must | |
2789 | be on the stack. See L<perlcall>. | |
2790 | ||
2791 | =cut | |
2792 | */ | |
2793 | ||
a0d0e21e | 2794 | I32 |
864dbfa3 | 2795 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2796 | /* name of the subroutine */ |
2797 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2798 | { |
46ca9bac | 2799 | STRLEN len; |
c106c2be | 2800 | SV* sv; |
7918f24d NC |
2801 | PERL_ARGS_ASSERT_CALL_METHOD; |
2802 | ||
46ca9bac | 2803 | len = strlen(methname); |
c106c2be RZ |
2804 | sv = flags & G_METHOD_NAMED |
2805 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2806 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2807 | |
c106c2be | 2808 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2809 | } |
2810 | ||
2811 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2812 | /* |
2813 | =for apidoc p||call_sv | |
2814 | ||
078e2213 TC |
2815 | Performs a callback to the Perl sub specified by the SV. |
2816 | ||
7c0c544c | 2817 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2818 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2819 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2820 | ||
2821 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2822 | C<SvPV(sv)> will be used as the name of the method to call. | |
2823 | ||
2824 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2825 | the name of the method to call. | |
2826 | ||
2827 | Some other values are treated specially for internal use and should | |
2828 | not be depended on. | |
2829 | ||
2830 | See L<perlcall>. | |
954c1994 GS |
2831 | |
2832 | =cut | |
2833 | */ | |
2834 | ||
a0d0e21e | 2835 | I32 |
8162b70e | 2836 | Perl_call_sv(pTHX_ SV *sv, volatile I32 flags) |
8ac85365 | 2837 | /* See G_* flags in cop.h */ |
a0d0e21e | 2838 | { |
5b434c73 | 2839 | dVAR; |
a0d0e21e | 2840 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2841 | METHOP method_op; |
aa689395 | 2842 | I32 oldmark; |
8162b70e | 2843 | volatile I32 retval = 0; |
54310121 | 2844 | bool oldcatch = CATCH_GET; |
6224f72b | 2845 | int ret; |
c4420975 | 2846 | OP* const oldop = PL_op; |
db36c5a1 | 2847 | dJMPENV; |
1e422769 | 2848 | |
7918f24d NC |
2849 | PERL_ARGS_ASSERT_CALL_SV; |
2850 | ||
a0d0e21e LW |
2851 | if (flags & G_DISCARD) { |
2852 | ENTER; | |
2853 | SAVETMPS; | |
2854 | } | |
2f8edad0 NC |
2855 | if (!(flags & G_WANT)) { |
2856 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2857 | */ | |
2858 | flags |= G_SCALAR; | |
2859 | } | |
a0d0e21e | 2860 | |
aa689395 | 2861 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2862 | if (!(flags & G_NOARGS)) |
aa689395 | 2863 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2864 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2865 | SAVEOP(); |
533c011a | 2866 | PL_op = (OP*)&myop; |
aa689395 | 2867 | |
8c9009ad | 2868 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2869 | dSP; |
2870 | EXTEND(SP, 1); | |
8c9009ad DD |
2871 | PUSHs(sv); |
2872 | PUTBACK; | |
5b434c73 | 2873 | } |
aa689395 | 2874 | oldmark = TOPMARK; |
a0d0e21e | 2875 | |
3280af22 | 2876 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2877 | /* Handle first BEGIN of -d. */ |
3280af22 | 2878 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2879 | /* Try harder, since this may have been a sighandler, thus |
2880 | * curstash may be meaningless. */ | |
ea726b52 | 2881 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2882 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2883 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2884 | |
c106c2be | 2885 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2886 | Zero(&method_op, 1, METHOP); |
2887 | method_op.op_next = (OP*)&myop; | |
2888 | PL_op = (OP*)&method_op; | |
c106c2be | 2889 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2890 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2891 | method_op.op_type = OP_METHOD_NAMED; | |
2892 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2893 | } else { |
b46e009d | 2894 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2895 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2896 | } |
2897 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2898 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2899 | } |
2900 | ||
312caa8e | 2901 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2902 | CATCH_SET(TRUE); |
d6f07c05 | 2903 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2904 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2905 | CATCH_SET(oldcatch); |
312caa8e CS |
2906 | } |
2907 | else { | |
8e90e786 | 2908 | I32 old_cxix; |
d78bda3d | 2909 | myop.op_other = (OP*)&myop; |
101d6365 | 2910 | (void)POPMARK; |
8e90e786 | 2911 | old_cxix = cxstack_ix; |
274ed8ae | 2912 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
c318a6ee | 2913 | INCMARK; |
a0d0e21e | 2914 | |
14dd3ad8 | 2915 | JMPENV_PUSH(ret); |
edb2152a | 2916 | |
6224f72b GS |
2917 | switch (ret) { |
2918 | case 0: | |
14dd3ad8 | 2919 | redo_body: |
d6f07c05 | 2920 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2921 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2922 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2923 | CLEAR_ERRSV(); |
8433848b | 2924 | } |
a0d0e21e | 2925 | break; |
6224f72b | 2926 | case 1: |
f86702cc | 2927 | STATUS_ALL_FAILURE; |
924ba076 | 2928 | /* FALLTHROUGH */ |
6224f72b | 2929 | case 2: |
a0d0e21e | 2930 | /* my_exit() was called */ |
03d9f026 | 2931 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2932 | FREETMPS; |
14dd3ad8 | 2933 | JMPENV_POP; |
f86702cc | 2934 | my_exit_jump(); |
e5964223 | 2935 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2936 | case 3: |
3280af22 | 2937 | if (PL_restartop) { |
febb3a6d | 2938 | PL_restartjmpenv = NULL; |
533c011a | 2939 | PL_op = PL_restartop; |
3280af22 | 2940 | PL_restartop = 0; |
312caa8e | 2941 | goto redo_body; |
a0d0e21e | 2942 | } |
3280af22 | 2943 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2944 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2945 | retval = 0; |
2946 | else { | |
2947 | retval = 1; | |
3280af22 | 2948 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2949 | } |
312caa8e | 2950 | break; |
a0d0e21e | 2951 | } |
a0d0e21e | 2952 | |
8e90e786 DM |
2953 | /* if we croaked, depending on how we croaked the eval scope |
2954 | * may or may not have already been popped */ | |
2955 | if (cxstack_ix > old_cxix) { | |
2956 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2957 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2958 | delete_eval_scope(); |
8e90e786 | 2959 | } |
14dd3ad8 | 2960 | JMPENV_POP; |
a0d0e21e | 2961 | } |
1e422769 | 2962 | |
a0d0e21e | 2963 | if (flags & G_DISCARD) { |
3280af22 | 2964 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2965 | retval = 0; |
2966 | FREETMPS; | |
2967 | LEAVE; | |
2968 | } | |
533c011a | 2969 | PL_op = oldop; |
a0d0e21e LW |
2970 | return retval; |
2971 | } | |
2972 | ||
6e72f9df | 2973 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2974 | |
954c1994 GS |
2975 | /* |
2976 | =for apidoc p||eval_sv | |
2977 | ||
72d33970 | 2978 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2979 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2980 | |
2981 | =cut | |
2982 | */ | |
2983 | ||
a0d0e21e | 2984 | I32 |
864dbfa3 | 2985 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2986 | |
8ac85365 | 2987 | /* See G_* flags in cop.h */ |
a0d0e21e | 2988 | { |
97aff369 | 2989 | dVAR; |
a0d0e21e | 2990 | UNOP myop; /* fake syntax tree node */ |
8162b70e AC |
2991 | volatile I32 oldmark; |
2992 | volatile I32 retval = 0; | |
6224f72b | 2993 | int ret; |
c4420975 | 2994 | OP* const oldop = PL_op; |
db36c5a1 | 2995 | dJMPENV; |
84902520 | 2996 | |
7918f24d NC |
2997 | PERL_ARGS_ASSERT_EVAL_SV; |
2998 | ||
4633a7c4 LW |
2999 | if (flags & G_DISCARD) { |
3000 | ENTER; | |
3001 | SAVETMPS; | |
3002 | } | |
3003 | ||
462e5cf6 | 3004 | SAVEOP(); |
533c011a | 3005 | PL_op = (OP*)&myop; |
5ff48db8 | 3006 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
3007 | { |
3008 | dSP; | |
3009 | oldmark = SP - PL_stack_base; | |
3010 | EXTEND(SP, 1); | |
3011 | PUSHs(sv); | |
3012 | PUTBACK; | |
3013 | } | |
79072805 | 3014 | |
4633a7c4 LW |
3015 | if (!(flags & G_NOARGS)) |
3016 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 3017 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 3018 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 3019 | if (flags & G_KEEPERR) |
3020 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
3021 | |
3022 | if (flags & G_RE_REPARSING) | |
3023 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 3024 | |
dedbcade | 3025 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 3026 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
3027 | TAINT_PROPER("eval_sv()"); |
3028 | ||
14dd3ad8 | 3029 | JMPENV_PUSH(ret); |
6224f72b GS |
3030 | switch (ret) { |
3031 | case 0: | |
14dd3ad8 | 3032 | redo_body: |
2ba65d5f DM |
3033 | if (PL_op == (OP*)(&myop)) { |
3034 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
3035 | if (!PL_op) | |
3036 | goto fail; /* failed in compilation */ | |
3037 | } | |
4aca2f62 | 3038 | CALLRUNOPS(aTHX); |
312caa8e | 3039 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 3040 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 3041 | CLEAR_ERRSV(); |
8433848b | 3042 | } |
4633a7c4 | 3043 | break; |
6224f72b | 3044 | case 1: |
f86702cc | 3045 | STATUS_ALL_FAILURE; |
924ba076 | 3046 | /* FALLTHROUGH */ |
6224f72b | 3047 | case 2: |
4633a7c4 | 3048 | /* my_exit() was called */ |
03d9f026 | 3049 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 3050 | FREETMPS; |
14dd3ad8 | 3051 | JMPENV_POP; |
f86702cc | 3052 | my_exit_jump(); |
e5964223 | 3053 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 3054 | case 3: |
3280af22 | 3055 | if (PL_restartop) { |
febb3a6d | 3056 | PL_restartjmpenv = NULL; |
533c011a | 3057 | PL_op = PL_restartop; |
3280af22 | 3058 | PL_restartop = 0; |
312caa8e | 3059 | goto redo_body; |
4633a7c4 | 3060 | } |
4aca2f62 | 3061 | fail: |
3280af22 | 3062 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 3063 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
3064 | retval = 0; |
3065 | else { | |
3066 | retval = 1; | |
3280af22 | 3067 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 3068 | } |
312caa8e | 3069 | break; |
4633a7c4 LW |
3070 | } |
3071 | ||
14dd3ad8 | 3072 | JMPENV_POP; |
4633a7c4 | 3073 | if (flags & G_DISCARD) { |
3280af22 | 3074 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3075 | retval = 0; |
3076 | FREETMPS; | |
3077 | LEAVE; | |
3078 | } | |
533c011a | 3079 | PL_op = oldop; |
4633a7c4 LW |
3080 | return retval; |
3081 | } | |
3082 | ||
954c1994 GS |
3083 | /* |
3084 | =for apidoc p||eval_pv | |
3085 | ||
422791e4 | 3086 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3087 | |
3088 | =cut | |
3089 | */ | |
3090 | ||
137443ea | 3091 | SV* |
864dbfa3 | 3092 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3093 | { |
137443ea | 3094 | SV* sv = newSVpv(p, 0); |
3095 | ||
7918f24d NC |
3096 | PERL_ARGS_ASSERT_EVAL_PV; |
3097 | ||
864dbfa3 | 3098 | eval_sv(sv, G_SCALAR); |
137443ea | 3099 | SvREFCNT_dec(sv); |
3100 | ||
ed1786ad DD |
3101 | { |
3102 | dSP; | |
3103 | sv = POPs; | |
3104 | PUTBACK; | |
3105 | } | |
137443ea | 3106 | |
eed484f9 DD |
3107 | /* just check empty string or undef? */ |
3108 | if (croak_on_error) { | |
3109 | SV * const errsv = ERRSV; | |
3110 | if(SvTRUE_NN(errsv)) | |
3111 | /* replace with croak_sv? */ | |
3112 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3113 | } |
137443ea | 3114 | |
3115 | return sv; | |
3116 | } | |
3117 | ||
4633a7c4 LW |
3118 | /* Require a module. */ |
3119 | ||
954c1994 | 3120 | /* |
ccfc67b7 JH |
3121 | =head1 Embedding Functions |
3122 | ||
954c1994 GS |
3123 | =for apidoc p||require_pv |
3124 | ||
7d3fb230 BS |
3125 | Tells Perl to C<require> the file named by the string argument. It is |
3126 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3127 | implemented that way; consider using load_module instead. |
954c1994 | 3128 | |
7d3fb230 | 3129 | =cut */ |
954c1994 | 3130 | |
4633a7c4 | 3131 | void |
864dbfa3 | 3132 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3133 | { |
d3acc0f7 | 3134 | dSP; |
97aff369 | 3135 | SV* sv; |
7918f24d NC |
3136 | |
3137 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3138 | ||
e788e7d3 | 3139 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3140 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3141 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3142 | POPSTACK; |
79072805 LW |
3143 | } |
3144 | ||
76e3520e | 3145 | STATIC void |
b6f82619 | 3146 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3147 | { |
ab821d7f | 3148 | /* This message really ought to be max 23 lines. |
75c72d73 | 3149 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3150 | |
1566c39d NC |
3151 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3152 | minimum of 509 character string literals. */ | |
27da23d5 | 3153 | static const char * const usage_msg[] = { |
1566c39d NC |
3154 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3155 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3156 | " -C[number/list] enables the listed Unicode features\n" | |
3157 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3158 | " -d[:debugger] run program under debugger\n" | |
3159 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3160 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3161 | " -E program like -e, but enables all optional features\n" | |
3162 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3163 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3164 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3165 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3166 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3167 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3168 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3169 | " -p assume loop like -n but print line also, like sed\n" | |
3170 | " -s enable rudimentary parsing for switches after programfile\n" | |
3171 | " -S look for programfile using PATH environment variable\n", | |
3172 | " -t enable tainting warnings\n" | |
3173 | " -T enable tainting checks\n" | |
3174 | " -u dump core after parsing program\n" | |
3175 | " -U allow unsafe operations\n" | |
3176 | " -v print version, patchlevel and license\n" | |
3177 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3178 | " -w enable many useful warnings\n" |
1566c39d NC |
3179 | " -W enable all warnings\n" |
3180 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3181 | " -X disable all warnings\n" | |
3182 | " \n" | |
3183 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3184 | NULL |
3185 | }; | |
27da23d5 | 3186 | const char * const *p = usage_msg; |
1566c39d | 3187 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3188 | |
1566c39d NC |
3189 | PerlIO_printf(out, |
3190 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3191 | PL_origargv[0]); |
fb73857a | 3192 | while (*p) |
1566c39d | 3193 | PerlIO_puts(out, *p++); |
b6f82619 | 3194 | my_exit(0); |
4633a7c4 LW |
3195 | } |
3196 | ||
b4ab917c DM |
3197 | /* convert a string of -D options (or digits) into an int. |
3198 | * sets *s to point to the char after the options */ | |
3199 | ||
3200 | #ifdef DEBUGGING | |
3201 | int | |
e1ec3a88 | 3202 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3203 | { |
27da23d5 | 3204 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3205 | " Debugging flag values: (see also -d)\n" |
3206 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3207 | " s Stack snapshots (with v, displays all stacks)\n" | |
3208 | " l Context (loop) stack processing\n" | |
3209 | " t Trace execution\n" | |
3210 | " o Method and overloading resolution\n", | |
3211 | " c String/numeric conversions\n" | |
3212 | " P Print profiling info, source file input state\n" | |
3213 | " m Memory and SV allocation\n" | |
3214 | " f Format processing\n" | |
3215 | " r Regular expression parsing and execution\n" | |
3216 | " x Syntax tree dump\n", | |
3217 | " u Tainting checks\n" | |
3218 | " H Hash dump -- usurps values()\n" | |
3219 | " X Scratchpad allocation\n" | |
3220 | " D Cleaning up\n" | |
56967202 | 3221 | " S Op slab allocation\n" |
651b8f1a NC |
3222 | " T Tokenising\n" |
3223 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3224 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3225 | " v Verbose: use in conjunction with other flags\n" | |
3226 | " C Copy On Write\n" | |
3227 | " A Consistency checks on internal structures\n" | |
3228 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3229 | " M trace smart match resolution\n" | |
3230 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3231 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3232 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3233 | NULL |
3234 | }; | |
22ff3130 | 3235 | UV uv = 0; |
7918f24d NC |
3236 | |
3237 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3238 | ||
b4ab917c DM |
3239 | if (isALPHA(**s)) { |
3240 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3241 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3242 | |
0eb30aeb | 3243 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3244 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3245 | if (d) |
22ff3130 | 3246 | uv |= 1 << (d - debopts); |
b4ab917c | 3247 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3248 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3249 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3250 | } |
3251 | } | |
e6e64d9b | 3252 | else if (isDIGIT(**s)) { |
96e440d2 | 3253 | const char* e; |
22ff3130 | 3254 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3255 | *s = e; |
0eb30aeb | 3256 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3257 | } |
ddcf8bc1 | 3258 | else if (givehelp) { |
06e869a4 | 3259 | const char *const *p = usage_msgd; |
651b8f1a | 3260 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3261 | } |
22ff3130 | 3262 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3263 | } |
3264 | #endif | |
3265 | ||
79072805 LW |
3266 | /* This routine handles any switches that can be given during run */ |
3267 | ||
c7030b81 NC |
3268 | const char * |
3269 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3270 | { |
27da23d5 | 3271 | dVAR; |
84c133a0 | 3272 | UV rschar; |
0544e6df | 3273 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3274 | |
7918f24d NC |
3275 | PERL_ARGS_ASSERT_MORESWITCHES; |
3276 | ||
79072805 LW |
3277 | switch (*s) { |
3278 | case '0': | |
a863c7d1 | 3279 | { |
f2095865 | 3280 | I32 flags = 0; |
a3b680e6 | 3281 | STRLEN numlen; |
f2095865 JH |
3282 | |
3283 | SvREFCNT_dec(PL_rs); | |
3284 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3285 | const char *e = s+=2; |
f2095865 JH |
3286 | U8 *tmps; |
3287 | ||
a3b680e6 AL |
3288 | while (*e) |
3289 | e++; | |
f2095865 JH |
3290 | numlen = e - s; |
3291 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3292 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3293 | if (s + numlen < e) { | |
3294 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3295 | numlen = 0; | |
3296 | s--; | |
3297 | } | |
396482e1 | 3298 | PL_rs = newSVpvs(""); |
10656159 | 3299 | tmps = (U8*) SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 | 3300 | uvchr_to_utf8(tmps, rschar); |
5f560d8a | 3301 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3302 | SvUTF8_on(PL_rs); |
3303 | } | |
3304 | else { | |
3305 | numlen = 4; | |
3306 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3307 | if (rschar & ~((U8)~0)) | |
3308 | PL_rs = &PL_sv_undef; | |
3309 | else if (!rschar && numlen >= 2) | |
396482e1 | 3310 | PL_rs = newSVpvs(""); |
f2095865 JH |
3311 | else { |
3312 | char ch = (char)rschar; | |
3313 | PL_rs = newSVpvn(&ch, 1); | |
3314 | } | |
3315 | } | |
64ace3f8 | 3316 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3317 | return s + numlen; |
a863c7d1 | 3318 | } |
46487f74 | 3319 | case 'C': |
a05d7ebb | 3320 | s++; |
dd374669 | 3321 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3322 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3323 | PL_utf8cache = -1; | |
46487f74 | 3324 | return s; |
2304df62 | 3325 | case 'F': |
5fc691f1 | 3326 | PL_minus_a = TRUE; |
3280af22 | 3327 | PL_minus_F = TRUE; |
24ffa309 | 3328 | PL_minus_n = TRUE; |
ebce5377 RGS |
3329 | PL_splitstr = ++s; |
3330 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3331 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3332 | return s; |
79072805 | 3333 | case 'a': |
3280af22 | 3334 | PL_minus_a = TRUE; |
24ffa309 | 3335 | PL_minus_n = TRUE; |
79072805 LW |
3336 | s++; |
3337 | return s; | |
3338 | case 'c': | |
3280af22 | 3339 | PL_minus_c = TRUE; |
79072805 LW |
3340 | s++; |
3341 | return s; | |
3342 | case 'd': | |
f20b2998 | 3343 | forbid_setid('d', FALSE); |
4633a7c4 | 3344 | s++; |
2cbb2ee1 RGS |
3345 | |
3346 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3347 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3348 | ++s; |
3349 | my_setenv("PERL5DB_THREADED", "1"); | |
3350 | } | |
3351 | ||
70c94a19 RR |
3352 | /* The following permits -d:Mod to accepts arguments following an = |
3353 | in the fashion that -MSome::Mod does. */ | |
3354 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3355 | const char *start; |
3356 | const char *end; | |
3357 | SV *sv; | |
3358 | ||
3359 | if (*++s == '-') { | |
3360 | ++s; | |
3361 | sv = newSVpvs("no Devel::"); | |
3362 | } else { | |
3363 | sv = newSVpvs("use Devel::"); | |
3364 | } | |
3365 | ||
3366 | start = s; | |
3367 | end = s + strlen(s); | |
f85893a1 | 3368 | |
b19934fb | 3369 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3370 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3371 | if (*s != '=') |
f85893a1 | 3372 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3373 | else { |
3374 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3375 | /* Don't use NUL as q// delimiter here, this string goes in the |
3376 | * environment. */ | |
3377 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3378 | } |
f85893a1 | 3379 | s = end; |
184f32ec | 3380 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3381 | SvREFCNT_dec(sv); |
4633a7c4 | 3382 | } |
ed094faf | 3383 | if (!PL_perldb) { |
3280af22 | 3384 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3385 | init_debugger(); |
ed094faf | 3386 | } |
79072805 LW |
3387 | return s; |
3388 | case 'D': | |
0453d815 | 3389 | { |
79072805 | 3390 | #ifdef DEBUGGING |
f20b2998 | 3391 | forbid_setid('D', FALSE); |
b4ab917c | 3392 | s++; |
dd374669 | 3393 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3394 | #else /* !DEBUGGING */ |
0453d815 | 3395 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3396 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3397 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3398 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3399 | #endif |
79072805 | 3400 | return s; |
2b5060ae | 3401 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3402 | } |
4633a7c4 | 3403 | case 'h': |
b6f82619 | 3404 | usage(); |
2b5060ae DM |
3405 | NOT_REACHED; /* NOTREACHED */ |
3406 | ||
79072805 | 3407 | case 'i': |
43c5f42d | 3408 | Safefree(PL_inplace); |
5ef5d758 | 3409 | { |
d4c19fe8 | 3410 | const char * const start = ++s; |
5ef5d758 NC |
3411 | while (*s && !isSPACE(*s)) |
3412 | ++s; | |
3413 | ||
3414 | PL_inplace = savepvn(start, s - start); | |
3415 | } | |
fb73857a | 3416 | return s; |
4e49a025 | 3417 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3418 | forbid_setid('I', FALSE); |
fb73857a | 3419 | ++s; |
3420 | while (*s && isSPACE(*s)) | |
3421 | ++s; | |
3422 | if (*s) { | |
c7030b81 | 3423 | const char *e, *p; |
0df16ed7 GS |
3424 | p = s; |
3425 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3426 | do { | |
3427 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3428 | p = e; | |
3429 | while (isSPACE(*p)) | |
3430 | p++; | |
3431 | } while (*p && *p != '-'); | |
55b4bc1c | 3432 | incpush(s, e-s, |
e28f3139 | 3433 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3434 | s = p; |
3435 | if (*s == '-') | |
3436 | s++; | |
79072805 LW |
3437 | } |
3438 | else | |
a67e862a | 3439 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3440 | return s; |
79072805 | 3441 | case 'l': |
3280af22 | 3442 | PL_minus_l = TRUE; |
79072805 | 3443 | s++; |
7889fe52 NIS |
3444 | if (PL_ors_sv) { |
3445 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3446 | PL_ors_sv = NULL; |
7889fe52 | 3447 | } |
79072805 | 3448 | if (isDIGIT(*s)) { |
53305cf1 | 3449 | I32 flags = 0; |
a3b680e6 | 3450 | STRLEN numlen; |
396482e1 | 3451 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3452 | numlen = 3 + (*s == '0'); |
3453 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3454 | s += numlen; |
3455 | } | |
3456 | else { | |
8bfdd7d9 | 3457 | if (RsPARA(PL_rs)) { |
396482e1 | 3458 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3459 | } |
3460 | else { | |
8bfdd7d9 | 3461 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3462 | } |
79072805 LW |
3463 | } |
3464 | return s; | |
1a30305b | 3465 | case 'M': |
f20b2998 | 3466 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3467 | /* FALLTHROUGH */ |
1a30305b | 3468 | case 'm': |
f20b2998 | 3469 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3470 | if (*++s) { |
c7030b81 | 3471 | const char *start; |
b64cb68c | 3472 | const char *end; |
11343788 | 3473 | SV *sv; |
e1ec3a88 | 3474 | const char *use = "use "; |
0544e6df | 3475 | bool colon = FALSE; |
a5f75d66 | 3476 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3477 | /* Leading space on " no " is deliberate, to make both |
3478 | possibilities the same length. */ | |
3479 | if (*s == '-') { use = " no "; ++s; } | |
3480 | sv = newSVpvn(use,4); | |
a5f75d66 | 3481 | start = s; |
1a30305b | 3482 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3483 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3484 | if( *s++ == ':' ) { |
3485 | if( *s == ':' ) | |
3486 | s++; | |
3487 | else | |
3488 | colon = TRUE; | |
3489 | } | |
3490 | } | |
3491 | if (s == start) | |
3492 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3493 | option); | |
3494 | if (colon) | |
3495 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3496 | "contains single ':'", | |
63da6837 | 3497 | (int)(s - start), start, option); |
b64cb68c | 3498 | end = s + strlen(s); |
c07a80fd | 3499 | if (*s != '=') { |
b64cb68c | 3500 | sv_catpvn(sv, start, end - start); |
0544e6df | 3501 | if (option == 'm') { |
c07a80fd | 3502 | if (*s != '\0') |
cea2e8a9 | 3503 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3504 | sv_catpvs( sv, " ()"); |
c07a80fd | 3505 | } |
3506 | } else { | |
11343788 | 3507 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3508 | /* Use NUL as q''-delimiter. */ |
3509 | sv_catpvs(sv, " split(/,/,q\0"); | |
3510 | ++s; | |
3511 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3512 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3513 | } |
b64cb68c | 3514 | s = end; |
29a861e7 | 3515 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3516 | } |
3517 | else | |
0544e6df | 3518 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3519 | return s; |
79072805 | 3520 | case 'n': |
3280af22 | 3521 | PL_minus_n = TRUE; |
79072805 LW |
3522 | s++; |
3523 | return s; | |
3524 | case 'p': | |
3280af22 | 3525 | PL_minus_p = TRUE; |
79072805 LW |
3526 | s++; |
3527 | return s; | |
3528 | case 's': | |
f20b2998 | 3529 | forbid_setid('s', FALSE); |
3280af22 | 3530 | PL_doswitches = TRUE; |
79072805 LW |
3531 | s++; |
3532 | return s; | |
6537fe72 | 3533 | case 't': |
27a6968b | 3534 | case 'T': |
dc6d7f5c | 3535 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3536 | /* silently ignore */ |
dc6d7f5c | 3537 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3538 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3539 | "Cowardly refusing to run with -t or -T flags"); |
3540 | #else | |
3541 | if (!TAINTING_get) | |
27a6968b | 3542 | TOO_LATE_FOR(*s); |
284167a5 | 3543 | #endif |
6537fe72 | 3544 | s++; |
463ee0b2 | 3545 | return s; |
79072805 | 3546 | case 'u': |
3280af22 | 3547 | PL_do_undump = TRUE; |
79072805 LW |
3548 | s++; |
3549 | return s; | |
3550 | case 'U': | |
3280af22 | 3551 | PL_unsafe = TRUE; |
79072805 LW |
3552 | s++; |
3553 | return s; | |
3554 | case 'v': | |
c4bc78d9 NC |
3555 | minus_v(); |
3556 | case 'w': | |
3557 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3558 | PL_dowarn |= G_WARN_ON; | |
3559 | } | |
3560 | s++; | |
3561 | return s; | |
3562 | case 'W': | |
3563 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3564 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3565 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3566 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3567 | s++; | |
3568 | return s; | |
3569 | case 'X': | |
3570 | PL_dowarn = G_WARN_ALL_OFF; | |
3571 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3572 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3573 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3574 | s++; | |
3575 | return s; | |
3576 | case '*': | |
3577 | case ' ': | |
3578 | while( *s == ' ' ) | |
3579 | ++s; | |
3580 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3581 | return s+1; | |
3582 | break; | |
3583 | case '-': | |
3584 | case 0: | |
3585 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3586 | case '\r': | |
3587 | #endif | |
3588 | case '\n': | |
3589 | case '\t': | |
3590 | break; | |
3591 | #ifdef ALTERNATE_SHEBANG | |
3592 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3593 | break; | |
3594 | #endif | |
4bb78d63 CB |
3595 | case 'e': case 'f': case 'x': case 'E': |
3596 | #ifndef ALTERNATE_SHEBANG | |
3597 | case 'S': | |
3598 | #endif | |
3599 | case 'V': | |
c4bc78d9 | 3600 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3601 | default: |
3602 | Perl_croak(aTHX_ | |
3603 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3604 | ); | |
c4bc78d9 NC |
3605 | } |
3606 | return NULL; | |
3607 | } | |
3608 | ||
3609 | ||
3610 | STATIC void | |
3611 | S_minus_v(pTHX) | |
3612 | { | |
fc3381af | 3613 | PerlIO * PIO_stdout; |
46807d8e | 3614 | { |
709aee94 DD |
3615 | const char * const level_str = "v" PERL_VERSION_STRING; |
3616 | const STRLEN level_len = sizeof("v" PERL_VERSION_STRING)-1; | |
46807d8e | 3617 | #ifdef PERL_PATCHNUM |
709aee94 | 3618 | SV* level; |
23d483e2 | 3619 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
709aee94 | 3620 | static const char num [] = PERL_PATCHNUM "*"; |
23d483e2 | 3621 | # else |
709aee94 | 3622 | static const char num [] = PERL_PATCHNUM; |
23d483e2 | 3623 | # endif |
fc3381af | 3624 | { |
709aee94 DD |
3625 | const STRLEN num_len = sizeof(num)-1; |
3626 | /* A very advanced compiler would fold away the strnEQ | |
3627 | and this whole conditional, but most (all?) won't do it. | |
3628 | SV level could also be replaced by with preprocessor | |
3629 | catenation. | |
3630 | */ | |
3631 | if (num_len >= level_len && strnEQ(num,level_str,level_len)) { | |
3632 | /* per 46807d8e80, PERL_PATCHNUM is outside of the control | |
3633 | of the interp so it might contain format characters | |
3634 | */ | |
3635 | level = newSVpvn(num, num_len); | |
fc3381af | 3636 | } else { |
709aee94 | 3637 | level = Perl_newSVpvf_nocontext("%s (%s)", level_str, num); |
fc3381af | 3638 | } |
46807d8e | 3639 | } |
709aee94 DD |
3640 | #else |
3641 | SV* level = newSVpvn(level_str, level_len); | |
3642 | #endif /* #ifdef PERL_PATCHNUM */ | |
fc3381af DD |
3643 | PIO_stdout = PerlIO_stdout(); |
3644 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3645 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3646 | ", version " STRINGIFY(PERL_VERSION) | |
3647 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
147e3846 | 3648 | " (%" SVf ") built for " ARCHNAME, SVfARG(level) |
ded326e4 | 3649 | ); |
709aee94 | 3650 | SvREFCNT_dec_NN(level); |
46807d8e | 3651 | } |
fb73857a | 3652 | #if defined(LOCAL_PATCH_COUNT) |
3653 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3654 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3655 | "\n(with %d registered patch%s, " |
3656 | "see perl -V for more detail)", | |
bb7a0f54 | 3657 | LOCAL_PATCH_COUNT, |
b0e47665 | 3658 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3659 | #endif |
1a30305b | 3660 | |
fc3381af | 3661 | PerlIO_printf(PIO_stdout, |
f3e2e262 | 3662 | "\n\nCopyright 1987-2017, Larry Wall\n"); |
79072805 | 3663 | #ifdef MSDOS |
fc3381af | 3664 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3665 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3666 | #endif |
3667 | #ifdef DJGPP | |
fc3381af | 3668 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3669 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3670 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3671 | #endif |
79072805 | 3672 | #ifdef OS2 |
fc3381af | 3673 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3674 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3675 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3676 | #endif |
9d116dd7 | 3677 | #ifdef OEMVS |
fc3381af | 3678 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3679 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3680 | #endif |
495c5fdc | 3681 | #ifdef __VOS__ |
fc3381af | 3682 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3683 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3684 | #endif |
a1a0e61e | 3685 | #ifdef POSIX_BC |
fc3381af | 3686 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3687 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3688 | #endif |
e1caacb4 | 3689 | #ifdef UNDER_CE |
fc3381af DD |
3690 | PerlIO_printf(PIO_stdout, |
3691 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3692 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3693 | wce_hitreturn(); |
3694 | #endif | |
a0fd4948 | 3695 | #ifdef __SYMBIAN32__ |
fc3381af | 3696 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3697 | "Symbian port by Nokia, 2004-2005\n"); |
3698 | #endif | |
baed7233 DL |
3699 | #ifdef BINARY_BUILD_NOTICE |
3700 | BINARY_BUILD_NOTICE; | |
3701 | #endif | |
fc3381af | 3702 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3703 | "\n\ |
79072805 | 3704 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3705 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3706 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3707 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3708 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3709 | my_exit(0); |
79072805 LW |
3710 | } |
3711 | ||
3712 | /* compliments of Tom Christiansen */ | |
3713 | ||
3714 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3715 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3716 | |
25bbd826 CB |
3717 | #ifdef VMS |
3718 | #include <lib$routines.h> | |
3719 | #endif | |
3720 | ||
79072805 | 3721 | void |
864dbfa3 | 3722 | Perl_my_unexec(pTHX) |
79072805 LW |
3723 | { |
3724 | #ifdef UNEXEC | |
b37c2d43 AL |
3725 | SV * prog = newSVpv(BIN_EXP, 0); |
3726 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3727 | int status = 1; |
79072805 LW |
3728 | extern int etext; |
3729 | ||
396482e1 | 3730 | sv_catpvs(prog, "/perl"); |
396482e1 | 3731 | sv_catpvs(file, ".perldump"); |
79072805 | 3732 | |
ee580363 GS |
3733 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3734 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3735 | PerlProc_exit(status); |
79072805 | 3736 | #else |
ddeaf645 | 3737 | PERL_UNUSED_CONTEXT; |
a5f75d66 | 3738 | # ifdef VMS |
a5f75d66 | 3739 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 | 3740 | # elif defined(WIN32) || defined(__CYGWIN__) |
ddeaf645 | 3741 | Perl_croak_nocontext("dump is not supported"); |
aa689395 | 3742 | # else |
79072805 | 3743 | ABORT(); /* for use with undump */ |
aa689395 | 3744 | # endif |
a5f75d66 | 3745 | #endif |
79072805 LW |
3746 | } |
3747 | ||
cb68f92d GS |
3748 | /* initialize curinterp */ |
3749 | STATIC void | |
cea2e8a9 | 3750 | S_init_interp(pTHX) |
cb68f92d | 3751 | { |
acfe0abc | 3752 | #ifdef MULTIPLICITY |
115ff745 NC |
3753 | # define PERLVAR(prefix,var,type) |
3754 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3755 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3756 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3757 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3758 | # else |
115ff745 NC |
3759 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3760 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3761 | # endif |
acfe0abc | 3762 | # include "intrpvar.h" |
acfe0abc GS |
3763 | # undef PERLVAR |
3764 | # undef PERLVARA | |
3765 | # undef PERLVARI | |
3766 | # undef PERLVARIC | |
3767 | #else | |
115ff745 NC |
3768 | # define PERLVAR(prefix,var,type) |
3769 | # define PERLVARA(prefix,var,n,type) | |
3770 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3771 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3772 | # include "intrpvar.h" |
acfe0abc GS |
3773 | # undef PERLVAR |
3774 | # undef PERLVARA | |
3775 | # undef PERLVARI | |
3776 | # undef PERLVARIC | |
cb68f92d GS |
3777 | #endif |
3778 | ||
cb68f92d GS |
3779 | } |
3780 | ||
76e3520e | 3781 | STATIC void |
cea2e8a9 | 3782 | S_init_main_stash(pTHX) |
79072805 | 3783 | { |
463ee0b2 | 3784 | GV *gv; |
6e72f9df | 3785 | |
03d9f026 | 3786 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3787 | /* We know that the string "main" will be in the global shared string |
3788 | table, so it's a small saving to use it rather than allocate another | |
3789 | 8 bytes. */ | |
18916d0d | 3790 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3791 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3792 | /* If we hadn't caused another reference to "main" to be in the shared |
3793 | string table above, then it would be worth reordering these two, | |
3794 | because otherwise all we do is delete "main" from it as a consequence | |
3795 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3796 | SvREFCNT_dec(GvHV(gv)); |
854da30f | 3797 | hv_name_sets(PL_defstash, "main", 0); |
85fbaab2 | 3798 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3799 | SvREADONLY_on(gv); |
fafc274c NC |
3800 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3801 | SVt_PVAV))); | |
5a5094bd | 3802 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3803 | GvMULTI_on(PL_incgv); |
fafc274c | 3804 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3805 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3806 | GvMULTI_on(PL_hintgv); |
fafc274c | 3807 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3808 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3809 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3810 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3811 | GvMULTI_on(PL_errgv); |
fafc274c | 3812 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3813 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3814 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3815 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 | 3816 | #ifdef PERL_DONT_CREATE_GVSV |
689fbe18 | 3817 | (void)gv_SVadd(PL_errgv); |
c69033f2 | 3818 | #endif |
38a03e6e | 3819 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3820 | CLEAR_ERRSV(); |
11faa288 | 3821 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3822 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3823 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3824 | SVt_PVHV)); | |
4633a7c4 | 3825 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3826 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3827 | } |
3828 | ||
8d113837 NC |
3829 | STATIC PerlIO * |
3830 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3831 | { |
fdf5d70d | 3832 | int fdscript = -1; |
8d113837 | 3833 | PerlIO *rsfp = NULL; |
1dfef69b | 3834 | Stat_t tmpstatbuf; |
375ed12a | 3835 | int fd; |
1b24ed4b | 3836 | |
7918f24d NC |
3837 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3838 | ||
3280af22 | 3839 | if (PL_e_script) { |
8afc33d6 | 3840 | PL_origfilename = savepvs("-e"); |
96436eeb | 3841 | } |
6c4ab083 | 3842 | else { |
22ff3130 HS |
3843 | const char *s; |
3844 | UV uv; | |
6c4ab083 | 3845 | /* if find_script() returns, it returns a malloc()-ed value */ |
dd374669 | 3846 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 | 3847 | |
854da30f | 3848 | if (strEQs(scriptname, "/dev/fd/") |
22ff3130 HS |
3849 | && isDIGIT(scriptname[8]) |
3850 | && grok_atoUV(scriptname + 8, &uv, &s) | |
3851 | && uv <= PERL_INT_MAX | |
3852 | ) { | |
3853 | fdscript = (int)uv; | |
6c4ab083 | 3854 | if (*s) { |
ae3f3efd PS |
3855 | /* PSz 18 Feb 04 |
3856 | * Tell apart "normal" usage of fdscript, e.g. | |
3857 | * with bash on FreeBSD: | |
3858 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3859 | * from usage in suidperl. | |
3860 | * Does any "normal" usage leave garbage after the number??? | |
3861 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3862 | * suidperl? | |
3863 | */ | |
f20b2998 | 3864 | *suidscript = TRUE; |
ae3f3efd PS |
3865 | /* PSz 20 Feb 04 |
3866 | * Be supersafe and do some sanity-checks. | |
3867 | * Still, can we be sure we got the right thing? | |
3868 | */ | |
3869 | if (*s != '/') { | |
3870 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3871 | } | |
3872 | if (! *(s+1)) { | |
3873 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3874 | } | |
6c4ab083 | 3875 | scriptname = savepv(s + 1); |
3280af22 | 3876 | Safefree(PL_origfilename); |
dd374669 | 3877 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3878 | } |
3879 | } | |
3880 | } | |
3881 | ||
05ec9bb3 | 3882 | CopFILE_free(PL_curcop); |
57843af0 | 3883 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3884 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3885 | scriptname = (char *)""; |
fdf5d70d | 3886 | if (fdscript >= 0) { |
8d113837 | 3887 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3888 | } |
79072805 | 3889 | else if (!*scriptname) { |
cdd8118e | 3890 | forbid_setid(0, *suidscript); |
c0b3891a | 3891 | return NULL; |
79072805 | 3892 | } |
96436eeb | 3893 | else { |
9c12f1e5 RGS |
3894 | #ifdef FAKE_BIT_BUCKET |
3895 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3896 | * is called) and still have the "-e" work. (Believe it or not, | |
3897 | * a /dev/null is required for the "-e" to work because source | |
3898 | * filter magic is used to implement it. ) This is *not* a general | |
3899 | * replacement for a /dev/null. What we do here is create a temp | |
3900 | * file (an empty file), open up that as the script, and then | |
3901 | * immediately close and unlink it. Close enough for jazz. */ | |
3902 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3903 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3904 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3905 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3906 | FAKE_BIT_BUCKET_TEMPLATE | |
3907 | }; | |
3908 | const char * const err = "Failed to create a fake bit bucket"; | |
3909 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3910 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
e57270be | 3911 | int old_umask = umask(0177); |
9c12f1e5 | 3912 | int tmpfd = mkstemp(tmpname); |
60f7fc1e | 3913 | umask(old_umask); |
9c12f1e5 RGS |
3914 | if (tmpfd > -1) { |
3915 | scriptname = tmpname; | |
3916 | close(tmpfd); | |
3917 | } else | |
3918 | Perl_croak(aTHX_ err); | |
9c12f1e5 RGS |
3919 | #endif |
3920 | } | |
3921 | #endif | |
8d113837 | 3922 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3923 | #ifdef FAKE_BIT_BUCKET |
3924 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3925 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3926 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3927 | unlink(scriptname); | |
3928 | } | |
3929 | scriptname = BIT_BUCKET; | |
3930 | #endif | |
96436eeb | 3931 | } |
8d113837 | 3932 | if (!rsfp) { |
447218f8 | 3933 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 | 3934 | if (PL_e_script) |
147e3846 | 3935 | Perl_croak(aTHX_ "Can't open " BIT_BUCKET ": %s\n", Strerror(errno)); |
b1681ed3 RGS |
3936 | else |
3937 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3938 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3939 | } |
375ed12a | 3940 | fd = PerlIO_fileno(rsfp); |
131d45a9 | 3941 | #if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC) |
375ed12a JH |
3942 | if (fd >= 0) { |
3943 | /* ensure close-on-exec */ | |
131d45a9 | 3944 | if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { |
375ed12a JH |
3945 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3946 | CopFILE(PL_curcop), Strerror(errno)); | |
3947 | } | |
3948 | } | |
a7c81930 | 3949 | #endif |
1dfef69b | 3950 | |
375ed12a JH |
3951 | if (fd < 0 || |
3952 | (PerlLIO_fstat(fd, &tmpstatbuf) >= 0 | |
3953 | && S_ISDIR(tmpstatbuf.st_mode))) | |
1dfef69b RS |
3954 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3955 | CopFILE(PL_curcop), | |
0c0d42ff | 3956 | Strerror(EISDIR)); |
1dfef69b | 3957 | |
8d113837 | 3958 | return rsfp; |
79072805 | 3959 | } |
8d063cd8 | 3960 | |
ea442100 JH |
3961 | /* Mention |
3962 | * I_SYSSTATVFS HAS_FSTATVFS | |
3963 | * I_SYSMOUNT | |
3964 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT | |
3965 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
3966 | * here so that metaconfig picks them up. */ | |
3967 | ||
3968 | ||
cc69b689 | 3969 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3970 | /* Don't even need this function. */ |
cc69b689 | 3971 | #else |
ec2019ad NC |
3972 | STATIC void |
3973 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3974 | { | |
dfff4baf BF |
3975 | const Uid_t my_uid = PerlProc_getuid(); |
3976 | const Uid_t my_euid = PerlProc_geteuid(); | |
3977 | const Gid_t my_gid = PerlProc_getgid(); | |
3978 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3979 | |
ac076a5c NC |
3980 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3981 | ||
985213f2 | 3982 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da | 3983 | dVAR; |
375ed12a | 3984 | int fd = PerlIO_fileno(rsfp); |
45a23732 DD |
3985 | Stat_t statbuf; |
3986 | if (fd < 0 || PerlLIO_fstat(fd, &statbuf) < 0) { /* may be either wrapped or real suid */ | |
3987 | Perl_croak_nocontext( "Illegal suidscript"); | |
375ed12a | 3988 | } |
45a23732 | 3989 | if ((my_euid != my_uid && my_euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
375ed12a | 3990 | || |
45a23732 | 3991 | (my_egid != my_gid && my_egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
375ed12a | 3992 | ) |
b28d0864 | 3993 | if (!PL_do_undump) |
cea2e8a9 | 3994 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3995 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3996 | /* not set-id, must be wrapped */ |
a687059c | 3997 | } |
79072805 | 3998 | } |
cc69b689 | 3999 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 4000 | |
76e3520e | 4001 | STATIC void |
2f9285f8 | 4002 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 4003 | { |
c7030b81 | 4004 | const char *s; |
eb578fdb | 4005 | const char *s2; |
33b78306 | 4006 | |
7918f24d NC |
4007 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
4008 | ||
33b78306 LW |
4009 | /* skip forward in input to the real script? */ |
4010 | ||
737c24fc | 4011 | do { |
2f9285f8 | 4012 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 4013 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 4014 | s2 = s; |
737c24fc Z |
4015 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
4016 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
4017 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
4018 | s2 = s; | |
4019 | while (*s == ' ' || *s == '\t') s++; | |
4020 | if (*s++ == '-') { | |
4021 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
4022 | || s2[-1] == '_') s2--; | |
854da30f | 4023 | if (strEQs(s2-4,"perl")) |
737c24fc Z |
4024 | while ((s = moreswitches(s))) |
4025 | ; | |
83025b21 LW |
4026 | } |
4027 | } | |
4028 | ||
afe37c7d | 4029 | |
76e3520e | 4030 | STATIC void |
cea2e8a9 | 4031 | S_init_ids(pTHX) |
352d5a3a | 4032 | { |
284167a5 S |
4033 | /* no need to do anything here any more if we don't |
4034 | * do tainting. */ | |
dc6d7f5c | 4035 | #ifndef NO_TAINT_SUPPORT |
dfff4baf BF |
4036 | const Uid_t my_uid = PerlProc_getuid(); |
4037 | const Uid_t my_euid = PerlProc_geteuid(); | |
4038 | const Gid_t my_gid = PerlProc_getgid(); | |
4039 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 4040 | |
20b7effb JH |
4041 | PERL_UNUSED_CONTEXT; |
4042 | ||
22f7c9c9 | 4043 | /* Should not happen: */ |
985213f2 | 4044 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
4045 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
4046 | #endif | |
ae3f3efd PS |
4047 | /* BUG */ |
4048 | /* PSz 27 Feb 04 | |
4049 | * Should go by suidscript, not uid!=euid: why disallow | |
4050 | * system("ls") in scripts run from setuid things? | |
4051 | * Or, is this run before we check arguments and set suidscript? | |
4052 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
4053 | * (We never have suidscript, can we be sure to have fdscript?) | |
4054 | * Or must then go by UID checks? See comments in forbid_setid also. | |
4055 | */ | |
748a9306 | 4056 | } |
79072805 | 4057 | |
a0643315 JH |
4058 | /* This is used very early in the lifetime of the program, |
4059 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4060 | * not been initialized properly. */ |
af419de7 | 4061 | bool |
8f42b153 | 4062 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4063 | { |
c3446a78 JH |
4064 | #ifndef PERL_IMPLICIT_SYS |
4065 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4066 | * before we have an interpreter-- and the whole point of this | |
4067 | * function is to be called at such an early stage. If you are on | |
4068 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4069 | * "tainted because running with altered effective ids', you'll | |
4070 | * have to add your own checks somewhere in here. The two most | |
4071 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4072 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
4073 | Uid_t uid = PerlProc_getuid(); |
4074 | Uid_t euid = PerlProc_geteuid(); | |
4075 | Gid_t gid = PerlProc_getgid(); | |
4076 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 4077 | (void)envp; |
22f7c9c9 JH |
4078 | |
4079 | #ifdef VMS | |
af419de7 | 4080 | uid |= gid << 16; |
22f7c9c9 JH |
4081 | euid |= egid << 16; |
4082 | #endif | |
4083 | if (uid && (euid != uid || egid != gid)) | |
4084 | return 1; | |
c3446a78 | 4085 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4086 | /* This is a really primitive check; environment gets ignored only |
4087 | * if -T are the first chars together; otherwise one gets | |
4088 | * "Too late" message. */ | |
22f7c9c9 | 4089 | if ( argc > 1 && argv[1][0] == '-' |
305b8651 | 4090 | && isALPHA_FOLD_EQ(argv[1][1], 't')) |
22f7c9c9 JH |
4091 | return 1; |
4092 | return 0; | |
4093 | } | |
22f7c9c9 | 4094 | |
d0bafe7e NC |
4095 | /* Passing the flag as a single char rather than a string is a slight space |
4096 | optimisation. The only message that isn't /^-.$/ is | |
4097 | "program input from stdin", which is substituted in place of '\0', which | |
4098 | could never be a command line flag. */ | |
76e3520e | 4099 | STATIC void |
f20b2998 | 4100 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 4101 | { |
d0bafe7e NC |
4102 | char string[3] = "-x"; |
4103 | const char *message = "program input from stdin"; | |
4104 | ||
20b7effb | 4105 | PERL_UNUSED_CONTEXT; |
d0bafe7e NC |
4106 | if (flag) { |
4107 | string[1] = flag; | |
4108 | message = string; | |
4109 | } | |
4110 | ||
ae3f3efd | 4111 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 4112 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 4113 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 4114 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 4115 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 4116 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 4117 | if (suidscript) |
d0bafe7e | 4118 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 4119 | } |
4120 | ||
1ee4443e | 4121 | void |
5b235299 NC |
4122 | Perl_init_dbargs(pTHX) |
4123 | { | |
4124 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
4125 | GV_ADDMULTI, | |
4126 | SVt_PVAV)))); | |
4127 | ||
4128 | if (AvREAL(args)) { | |
4129 | /* Someone has already created it. | |
4130 | It might have entries, and if we just turn off AvREAL(), they will | |
4131 | "leak" until global destruction. */ | |
4132 | av_clear(args); | |
3df49e2a | 4133 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 4134 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 4135 | } |
af80dd86 | 4136 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
4137 | } |
4138 | ||
4139 | void | |
1ee4443e | 4140 | Perl_init_debugger(pTHX) |
748a9306 | 4141 | { |
c4420975 | 4142 | HV * const ostash = PL_curstash; |
a6d69523 | 4143 | MAGIC *mg; |
1ee4443e | 4144 | |
03d9f026 | 4145 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
4146 | |
4147 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
4148 | PL_DBgv = MUTABLE_GV( |
4149 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
4150 | ); | |
4151 | PL_DBline = MUTABLE_GV( | |
4152 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
4153 | ); | |
4154 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
4155 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
4156 | )); | |
5c1737d1 | 4157 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4158 | if (!SvIOK(PL_DBsingle)) |
4159 | sv_setiv(PL_DBsingle, 0); | |
a6d69523 TC |
4160 | mg = sv_magicext(PL_DBsingle, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4161 | mg->mg_private = DBVARMG_SINGLE; | |
4162 | SvSETMAGIC(PL_DBsingle); | |
4163 | ||
5c1737d1 | 4164 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4165 | if (!SvIOK(PL_DBtrace)) |
4166 | sv_setiv(PL_DBtrace, 0); | |
a6d69523 TC |
4167 | mg = sv_magicext(PL_DBtrace, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4168 | mg->mg_private = DBVARMG_TRACE; | |
4169 | SvSETMAGIC(PL_DBtrace); | |
4170 | ||
5c1737d1 | 4171 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4172 | if (!SvIOK(PL_DBsignal)) |
4173 | sv_setiv(PL_DBsignal, 0); | |
a6d69523 TC |
4174 | mg = sv_magicext(PL_DBsignal, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4175 | mg->mg_private = DBVARMG_SIGNAL; | |
4176 | SvSETMAGIC(PL_DBsignal); | |
4177 | ||
03d9f026 | 4178 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 4179 | PL_curstash = ostash; |
352d5a3a LW |
4180 | } |
4181 | ||
2ce36478 SM |
4182 | #ifndef STRESS_REALLOC |
4183 | #define REASONABLE(size) (size) | |
0ff72558 | 4184 | #define REASONABLE_but_at_least(size,min) (size) |
2ce36478 SM |
4185 | #else |
4186 | #define REASONABLE(size) (1) /* unreasonable */ | |
0ff72558 | 4187 | #define REASONABLE_but_at_least(size,min) (min) |
2ce36478 SM |
4188 | #endif |
4189 | ||
11343788 | 4190 | void |
cea2e8a9 | 4191 | Perl_init_stacks(pTHX) |
79072805 | 4192 | { |
3caf0269 DM |
4193 | SSize_t size; |
4194 | ||
e336de0d | 4195 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4196 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4197 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 | 4198 | PL_curstackinfo->si_type = PERLSI_MAIN; |
d5910a3d DM |
4199 | #if defined DEBUGGING && !defined DEBUGGING_RE_ONLY |
4200 | PL_curstackinfo->si_stack_hwm = 0; | |
4201 | #endif | |
3280af22 NIS |
4202 | PL_curstack = PL_curstackinfo->si_stack; |
4203 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4204 | |
3280af22 NIS |
4205 | PL_stack_base = AvARRAY(PL_curstack); |
4206 | PL_stack_sp = PL_stack_base; | |
4207 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4208 | |
a02a5408 | 4209 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4210 | PL_tmps_floor = -1; |
4211 | PL_tmps_ix = -1; | |
4212 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4213 | |
a02a5408 | 4214 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4215 | PL_markstack_ptr = PL_markstack; |
4216 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4217 | |
ce2f7c3b | 4218 | SET_MARK_OFFSET; |
e336de0d | 4219 | |
a02a5408 | 4220 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4221 | #ifdef DEBUGGING |
4222 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4223 | #endif | |
3280af22 NIS |
4224 | PL_scopestack_ix = 0; |
4225 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4226 | |
3caf0269 DM |
4227 | size = REASONABLE_but_at_least(128,SS_MAXPUSH); |
4228 | Newx(PL_savestack, size, ANY); | |
3280af22 | 4229 | PL_savestack_ix = 0; |
3caf0269 DM |
4230 | /*PL_savestack_max lies: it always has SS_MAXPUSH more than it claims */ |
4231 | PL_savestack_max = size - SS_MAXPUSH; | |
378cc40b | 4232 | } |
33b78306 | 4233 | |
2ce36478 SM |
4234 | #undef REASONABLE |
4235 | ||
76e3520e | 4236 | STATIC void |
cea2e8a9 | 4237 | S_nuke_stacks(pTHX) |
6e72f9df | 4238 | { |
3280af22 NIS |
4239 | while (PL_curstackinfo->si_next) |
4240 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4241 | while (PL_curstackinfo) { | |
4242 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4243 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4244 | Safefree(PL_curstackinfo->si_cxstack); |
4245 | Safefree(PL_curstackinfo); | |
4246 | PL_curstackinfo = p; | |
e336de0d | 4247 | } |
3280af22 NIS |
4248 | Safefree(PL_tmps_stack); |
4249 | Safefree(PL_markstack); | |
4250 | Safefree(PL_scopestack); | |
58780814 GG |
4251 | #ifdef DEBUGGING |
4252 | Safefree(PL_scopestack_name); | |
4253 | #endif | |
3280af22 | 4254 | Safefree(PL_savestack); |
378cc40b | 4255 | } |
33b78306 | 4256 | |
74e8ce34 NC |
4257 | void |
4258 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4259 | { | |
4260 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4261 | AV *const isa = GvAVn(gv); | |
4262 | va_list args; | |
4263 | ||
4264 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4265 | ||
4266 | if(AvFILLp(isa) != -1) | |
4267 | return; | |
4268 | ||
4269 | /* NOTE: No support for tied ISA */ | |
4270 | ||
4271 | va_start(args, len); | |
4272 | do { | |
4273 | const char *const parent = va_arg(args, const char*); | |
4274 | size_t parent_len; | |
4275 | ||
4276 | if (!parent) | |
4277 | break; | |
4278 | parent_len = va_arg(args, size_t); | |
4279 | ||
4280 | /* Arguments are supplied with a trailing :: */ | |
4281 | assert(parent_len > 2); | |
4282 | assert(parent[parent_len - 1] == ':'); | |
4283 | assert(parent[parent_len - 2] == ':'); | |
4284 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4285 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4286 | } while (1); | |
4287 | va_end(args); | |
4288 | } | |
4289 | ||
8990e307 | 4290 | |
76e3520e | 4291 | STATIC void |
cea2e8a9 | 4292 | S_init_predump_symbols(pTHX) |
45d8adaa | 4293 | { |
93a17b20 | 4294 | GV *tmpgv; |
af8c498a | 4295 | IO *io; |
79072805 | 4296 | |
64ace3f8 | 4297 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4298 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4299 | ||
d963bf01 NC |
4300 | |
4301 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4302 | FileHandle was loaded, in which case they were blessed into | |
4303 | that. Action at a distance. | |
4304 | However, if we simply bless into IO::Handle, we break code | |
4305 | that assumes that PVIOs will have (among others) a seek | |
4306 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4307 | and provides the needed methods. But if we simply bless into | |
4308 | it, then we break code that assumed that by loading | |
4309 | IO::Handle, *it* would work. | |
4310 | So a compromise is to set up the correct @IO::File::ISA, | |
4311 | so that code that does C<use IO::Handle>; will still work. | |
4312 | */ | |
4313 | ||
74e8ce34 NC |
4314 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4315 | STR_WITH_LEN("IO::Handle::"), | |
4316 | STR_WITH_LEN("IO::Seekable::"), | |
4317 | STR_WITH_LEN("Exporter::"), | |
4318 | NULL); | |
d963bf01 | 4319 | |
fafc274c | 4320 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4321 | GvMULTI_on(PL_stdingv); |
af8c498a | 4322 | io = GvIOp(PL_stdingv); |
a04651f4 | 4323 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4324 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4325 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4326 | GvMULTI_on(tmpgv); |
a45c7426 | 4327 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4328 | |
fafc274c | 4329 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4330 | GvMULTI_on(tmpgv); |
af8c498a | 4331 | io = GvIOp(tmpgv); |
a04651f4 | 4332 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4333 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4334 | setdefout(tmpgv); |
fafc274c | 4335 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4336 | GvMULTI_on(tmpgv); |
a45c7426 | 4337 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4338 | |
fafc274c | 4339 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4340 | GvMULTI_on(PL_stderrgv); |
4341 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4342 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4343 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4344 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4345 | GvMULTI_on(tmpgv); |
a45c7426 | 4346 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4347 | |
de61bf2a | 4348 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4349 | } |
33b78306 | 4350 | |
a11ec5a9 | 4351 | void |
5aaab254 | 4352 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4353 | { |
7918f24d NC |
4354 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; |
4355 | ||
79072805 | 4356 | argc--,argv++; /* skip name of script */ |
3280af22 | 4357 | if (PL_doswitches) { |
79072805 | 4358 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4359 | char *s; |
79072805 LW |
4360 | if (!argv[0][1]) |
4361 | break; | |
379d538a | 4362 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4363 | argc--,argv++; |
4364 | break; | |
4365 | } | |
155aba94 | 4366 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4367 | const char *const start_name = argv[0] + 1; |
4368 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4369 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4370 | } |
4371 | else | |
71315bf2 | 4372 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4373 | } |
79072805 | 4374 | } |
fafc274c | 4375 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4376 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4377 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4378 | av_clear(GvAVn(PL_argvgv)); |
4379 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4380 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4381 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4382 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4383 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4384 | SvUTF8_on(sv); | |
4385 | } | |
a05d7ebb JH |
4386 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4387 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4388 | } |
4389 | } | |
82f96200 JL |
4390 | |
4391 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4392 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4393 | "-i used with no filenames on the command line, " | |
4394 | "reading from STDIN"); | |
a11ec5a9 RGS |
4395 | } |
4396 | ||
4397 | STATIC void | |
5aaab254 | 4398 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4399 | { |
20b7effb | 4400 | #ifdef USE_ITHREADS |
27da23d5 | 4401 | dVAR; |
20b7effb | 4402 | #endif |
a11ec5a9 | 4403 | GV* tmpgv; |
a11ec5a9 | 4404 | |
7918f24d NC |
4405 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4406 | ||
f2da823f | 4407 | PL_toptarget = newSV_type(SVt_PVIV); |
854da30f | 4408 | SvPVCLEAR(PL_toptarget); |
f2da823f | 4409 | PL_bodytarget = newSV_type(SVt_PVIV); |
854da30f | 4410 | SvPVCLEAR(PL_bodytarget); |
3280af22 | 4411 | PL_formtarget = PL_bodytarget; |
79072805 | 4412 | |
bbce6d69 | 4413 | TAINT; |
a11ec5a9 RGS |
4414 | |
4415 | init_argv_symbols(argc,argv); | |
4416 | ||
fafc274c | 4417 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4418 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4419 | } |
fafc274c | 4420 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4421 | HV *hv; |
e17132c1 | 4422 | bool env_is_not_environ; |
cf93a474 | 4423 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4424 | GvMULTI_on(PL_envgv); |
4425 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4426 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4427 | #ifndef PERL_MICRO |
fa6a1c44 | 4428 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4429 | /* Note that if the supplied env parameter is actually a copy |
4430 | of the global environ then it may now point to free'd memory | |
4431 | if the environment has been modified since. To avoid this | |
4432 | problem we treat env==NULL as meaning 'use the default' | |
4433 | */ | |
4434 | if (!env) | |
4435 | env = environ; | |
e17132c1 JD |
4436 | env_is_not_environ = env != environ; |
4437 | if (env_is_not_environ | |
4efc5df6 GS |
4438 | # ifdef USE_ITHREADS |
4439 | && PL_curinterp == aTHX | |
4440 | # endif | |
4441 | ) | |
4442 | { | |
bd61b366 | 4443 | environ[0] = NULL; |
4efc5df6 | 4444 | } |
9b4eeda5 | 4445 | if (env) { |
9d27dca9 | 4446 | char *s, *old_var; |
ae37b791 | 4447 | STRLEN nlen; |
27da23d5 | 4448 | SV *sv; |
ae37b791 TC |
4449 | HV *dups = newHV(); |
4450 | ||
764df951 | 4451 | for (; *env; env++) { |
9d27dca9 MT |
4452 | old_var = *env; |
4453 | ||
4454 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4455 | continue; |
ae37b791 | 4456 | nlen = s - old_var; |
9d27dca9 | 4457 | |
7da0e383 | 4458 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4459 | *s = '\0'; |
9d27dca9 | 4460 | (void)strupr(old_var); |
61968511 | 4461 | *s = '='; |
137443ea | 4462 | #endif |
ae37b791 TC |
4463 | if (hv_exists(hv, old_var, nlen)) { |
4464 | const char *name = savepvn(old_var, nlen); | |
4465 | ||
4466 | /* make sure we use the same value as getenv(), otherwise code that | |
4467 | uses getenv() (like setlocale()) might see a different value to %ENV | |
4468 | */ | |
4469 | sv = newSVpv(PerlEnv_getenv(name), 0); | |
4470 | ||
4471 | /* keep a count of the dups of this name so we can de-dup environ later */ | |
4472 | if (hv_exists(dups, name, nlen)) | |
4473 | ++SvIVX(*hv_fetch(dups, name, nlen, 0)); | |
4474 | else | |
4475 | (void)hv_store(dups, name, nlen, newSViv(1), 0); | |
4476 | ||
4477 | Safefree(name); | |
4478 | } | |
4479 | else { | |
4480 | sv = newSVpv(s+1, 0); | |
4481 | } | |
4482 | (void)hv_store(hv, old_var, nlen, sv, 0); | |
e17132c1 | 4483 | if (env_is_not_environ) |
61968511 | 4484 | mg_set(sv); |
764df951 | 4485 | } |
ae37b791 TC |
4486 | if (HvKEYS(dups)) { |
4487 | /* environ has some duplicate definitions, remove them */ | |
4488 | HE *entry; | |
4489 | hv_iterinit(dups); | |
4490 | while ((entry = hv_iternext_flags(dups, 0))) { | |
4491 | STRLEN nlen; | |
4492 | const char *name = HePV(entry, nlen); | |
4493 | IV count = SvIV(HeVAL(entry)); | |
4494 | IV i; | |
4495 | SV **valp = hv_fetch(hv, name, nlen, 0); | |
4496 | ||
4497 | assert(valp); | |
4498 | ||
4499 | /* try to remove any duplicate names, depending on the | |
4500 | * implementation used in my_setenv() the iteration might | |
4501 | * not be necessary, but let's be safe. | |
4502 | */ | |
4503 | for (i = 0; i < count; ++i) | |
4504 | my_setenv(name, 0); | |
4505 | ||
4506 | /* and set it back to the value we set $ENV{name} to */ | |
4507 | my_setenv(name, SvPV_nolen(*valp)); | |
4508 | } | |
4509 | } | |
4510 | SvREFCNT_dec_NN(dups); | |
9b4eeda5 | 4511 | } |
103a7189 | 4512 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4513 | #endif /* !PERL_MICRO */ |
79072805 | 4514 | } |
bbce6d69 | 4515 | TAINT_NOT; |
2710853f MJD |
4516 | |
4517 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4518 | if (PL_minus_a) { | |
cbfd0a87 | 4519 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4520 | } |
33b78306 | 4521 | } |
34de22dd | 4522 | |
76e3520e | 4523 | STATIC void |
2cace6ac | 4524 | S_init_perllib(pTHX) |
34de22dd | 4525 | { |
32910c7a | 4526 | #ifndef VMS |
929e5b34 | 4527 | const char *perl5lib = NULL; |
32910c7a | 4528 | #endif |
35ba5ce9 | 4529 | const char *s; |
a7560424 | 4530 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4531 | STRLEN len; |
4532 | #endif | |
4533 | ||
284167a5 | 4534 | if (!TAINTING_get) { |
552a7a9b | 4535 | #ifndef VMS |
32910c7a | 4536 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4537 | /* |
4538 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4539 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4540 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4541 | */ |
4542 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4543 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4544 | #else |
32910c7a | 4545 | if (perl5lib) |
88f5bc07 | 4546 | #endif |
32910c7a | 4547 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4548 | else { |
4705144d NC |
4549 | s = PerlEnv_getenv("PERLLIB"); |
4550 | if (s) | |
50d61629 | 4551 | incpush_use_sep(s, 0, 0); |
4705144d | 4552 | } |
552a7a9b | 4553 | #else /* VMS */ |
4554 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4555 | * "natural" VMS idiom for a Unix path string. We allow each | |
4556 | * element to be a set of |-separated directories for compatibility. | |
4557 | */ | |
4558 | char buf[256]; | |
4559 | int idx = 0; | |
88467a4b | 4560 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
e28f3139 | 4561 | do { |
2cace6ac | 4562 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
88467a4b | 4563 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
f05b5874 | 4564 | else { |
88467a4b | 4565 | while (vmstrnenv("PERLLIB",buf,idx++,NULL,0)) |
50d61629 | 4566 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4567 | } |
552a7a9b | 4568 | #endif /* VMS */ |
85e6fe83 | 4569 | } |
34de22dd | 4570 | |
b0e687f7 NC |
4571 | #ifndef PERL_IS_MINIPERL |
4572 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4573 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4574 | ||
c90c0ff4 | 4575 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4576 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4577 | */ |
4633a7c4 | 4578 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4579 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4580 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4581 | #endif |
4633a7c4 | 4582 | |
65f19062 | 4583 | #ifdef SITEARCH_EXP |
3b290362 GS |
4584 | /* sitearch is always relative to sitelib on Windows for |
4585 | * DLL-based path intuition to work correctly */ | |
4586 | # if !defined(WIN32) | |
be71fc8f NC |
4587 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4588 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4589 | # endif |
4590 | #endif | |
4591 | ||
4633a7c4 | 4592 | #ifdef SITELIB_EXP |
65f19062 | 4593 | # if defined(WIN32) |
574c798a | 4594 | /* this picks up sitearch as well */ |
1c68cbf7 | 4595 | s = PerlEnv_sitelib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4596 | if (s) |
e6a0bbf8 | 4597 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4598 | # else |
50d61629 | 4599 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4600 | # endif |
4601 | #endif | |
189d1e8d | 4602 | |
65f19062 | 4603 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4604 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4605 | * DLL-based path intuition to work correctly */ |
4606 | # if !defined(WIN32) | |
be71fc8f NC |
4607 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4608 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4609 | # endif |
4b03c463 | 4610 | #endif |
65f19062 GS |
4611 | |
4612 | #ifdef PERL_VENDORLIB_EXP | |
4613 | # if defined(WIN32) | |
e28f3139 | 4614 | /* this picks up vendorarch as well */ |
1c68cbf7 | 4615 | s = PerlEnv_vendorlib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4616 | if (s) |
e6a0bbf8 | 4617 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4618 | # else |
be71fc8f NC |
4619 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4620 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4621 | # endif |
a3635516 | 4622 | #endif |
65f19062 | 4623 | |
b9ba2fad | 4624 | #ifdef ARCHLIB_EXP |
2cace6ac | 4625 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4626 | #endif |
4627 | ||
4628 | #ifndef PRIVLIB_EXP | |
4629 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4630 | #endif | |
4631 | ||
4632 | #if defined(WIN32) | |
1c68cbf7 | 4633 | s = PerlEnv_lib_path(PERL_FS_VERSION, &len); |
2cace6ac NC |
4634 | if (s) |
4635 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
39bb759e | 4636 | #elif defined(NETWARE) |
2cace6ac | 4637 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
39bb759e | 4638 | #else |
2cace6ac | 4639 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4640 | #endif |
4641 | ||
3b777bb4 | 4642 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4643 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4644 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4645 | |INCPUSH_CAN_RELOCATE); |
4646 | #endif | |
2cace6ac | 4647 | |
284167a5 | 4648 | if (!TAINTING_get) { |
2cace6ac | 4649 | #ifndef VMS |
2cace6ac NC |
4650 | /* |
4651 | * It isn't possible to delete an environment variable with | |
4652 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4653 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4654 | */ | |
4655 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4656 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4657 | #else |
32910c7a | 4658 | if (perl5lib) |
2cace6ac | 4659 | #endif |
32910c7a NC |
4660 | incpush_use_sep(perl5lib, 0, |
4661 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4662 | #else /* VMS */ |
4663 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4664 | * "natural" VMS idiom for a Unix path string. We allow each | |
4665 | * element to be a set of |-separated directories for compatibility. | |
4666 | */ | |
4667 | char buf[256]; | |
4668 | int idx = 0; | |
88467a4b | 4669 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
2cace6ac | 4670 | do { |
be71fc8f NC |
4671 | incpush_use_sep(buf, 0, |
4672 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
88467a4b | 4673 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
2cace6ac | 4674 | #endif /* VMS */ |
a26c0e28 | 4675 | } |
2cace6ac NC |
4676 | |
4677 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4678 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4679 | */ |
4680 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4681 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4682 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4683 | #endif |
4684 | ||
2cace6ac NC |
4685 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4686 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4687 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4688 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4689 | #endif |
4690 | ||
4691 | ||
4692 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4693 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4694 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4695 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4696 | #endif |
4697 | ||
4698 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4699 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4700 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4701 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4702 | #endif |
b0e687f7 | 4703 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4704 | |
0e0a64d7 MB |
4705 | if (!TAINTING_get) { |
4706 | #if !defined(PERL_IS_MINIPERL) && defined(DEFAULT_INC_EXCLUDES_DOT) | |
4707 | const char * const unsafe = PerlEnv_getenv("PERL_USE_UNSAFE_INC"); | |
4708 | if (unsafe && strEQ(unsafe, "1")) | |
4709 | #endif | |
4710 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); | |
4711 | } | |
774d564b | 4712 | } |
4713 | ||
739a0b84 | 4714 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4715 | # define PERLLIB_SEP ';' |
39bb759e | 4716 | #elif defined(__VMS) |
483efd0a | 4717 | # define PERLLIB_SEP PL_perllib_sep |
39bb759e | 4718 | #else |
e37778c2 | 4719 | # define PERLLIB_SEP ':' |
774d564b | 4720 | #endif |
4721 | #ifndef PERLLIB_MANGLE | |
4722 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4723 | #endif |
774d564b | 4724 | |
59d6f6a4 | 4725 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4726 | /* Push a directory onto @INC if it exists. |
4727 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4728 | onto @INC */ | |
4729 | STATIC SV * | |
7ffdaae6 | 4730 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae NC |
4731 | { |
4732 | Stat_t tmpstatbuf; | |
7918f24d NC |
4733 | |
4734 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4735 | ||
848ef955 | 4736 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4737 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4738 | av_push(av, dir); |
7ffdaae6 NC |
4739 | dir = newSVsv(stem); |
4740 | } else { | |
4741 | /* Truncate dir back to stem. */ | |
4742 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4743 | } |
4744 | return dir; | |
4745 | } | |
59d6f6a4 | 4746 | #endif |
ad17a1ae | 4747 | |
c29067d7 CH |
4748 | STATIC SV * |
4749 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4750 | { |
6434436b | 4751 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4752 | SV *libdir; |
774d564b | 4753 | |
c29067d7 | 4754 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4755 | assert(len > 0); |
3a9a9ba7 | 4756 | |
d2898d73 EB |
4757 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4758 | defined to so something (in os2/os2.c), but the code has been | |
4759 | this way, ignoring any possible changed of length, since | |
4760 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4761 | it be. */ | |
4762 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4763 | |
81600524 | 4764 | #ifdef VMS |
db12e2d3 | 4765 | { |
81600524 | 4766 | char *unix; |
81600524 CB |
4767 | |
4768 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4769 | len = strlen(unix); | |
f420cce1 | 4770 | while (len > 1 && unix[len-1] == '/') len--; /* Cosmetic */ |
81600524 CB |
4771 | sv_usepvn(libdir,unix,len); |
4772 | } | |
4773 | else | |
4774 | PerlIO_printf(Perl_error_log, | |
4775 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4776 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4777 | } |
81600524 CB |
4778 | #endif |
4779 | ||
dd374669 AL |
4780 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4781 | parameter. */ | |
4782 | if (canrelocate) { | |
88fe16b2 NC |
4783 | #ifdef PERL_RELOCATABLE_INC |
4784 | /* | |
4785 | * Relocatable include entries are marked with a leading .../ | |
4786 | * | |
4787 | * The algorithm is | |
4788 | * 0: Remove that leading ".../" | |
4789 | * 1: Remove trailing executable name (anything after the last '/') | |
4790 | * from the perl path to give a perl prefix | |
4791 | * Then | |
4792 | * While the @INC element starts "../" and the prefix ends with a real | |
4793 | * directory (ie not . or ..) chop that real directory off the prefix | |
4794 | * and the leading "../" from the @INC element. ie a logical "../" | |
4795 | * cleanup | |
4796 | * Finally concatenate the prefix and the remainder of the @INC element | |
4797 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4798 | * generates /usr/local/lib/perl5 | |
4799 | */ | |
890ce7af | 4800 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4801 | STRLEN libpath_len = SvCUR(libdir); |
4802 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4803 | /* Game on! */ | |
890ce7af | 4804 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4805 | /* Going to use the SV just as a scratch buffer holding a C |
4806 | string: */ | |
4807 | SV *prefix_sv; | |
4808 | char *prefix; | |
4809 | char *lastslash; | |
4810 | ||
4811 | /* $^X is *the* source of taint if tainting is on, hence | |
4812 | SvPOK() won't be true. */ | |
4813 | assert(caret_X); | |
4814 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4815 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4816 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4817 | /* Firstly take off the leading .../ |
4818 | If all else fail we'll do the paths relative to the current | |
4819 | directory. */ | |
4820 | sv_chop(libdir, libpath + 4); | |
4821 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4822 | mortal copies that the mg_get of tainting creates, and | |
4823 | corruption that seems to come via the save stack. | |
4824 | I guess that the save stack isn't correctly set up yet. */ | |
4825 | libpath = SvPVX(libdir); | |
4826 | libpath_len = SvCUR(libdir); | |
4827 | ||
88fe16b2 | 4828 | prefix = SvPVX(prefix_sv); |
6dba01e2 KW |
4829 | lastslash = (char *) my_memrchr(prefix, '/', |
4830 | SvEND(prefix_sv) - prefix); | |
88fe16b2 NC |
4831 | |
4832 | /* First time in with the *lastslash = '\0' we just wipe off | |
4833 | the trailing /perl from (say) /usr/foo/bin/perl | |
4834 | */ | |
4835 | if (lastslash) { | |
4836 | SV *tempsv; | |
4837 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
854da30f | 4838 | (libpath_len >= 3 && _memEQs(libpath, "../") |
6dba01e2 KW |
4839 | && (lastslash = |
4840 | (char *) my_memrchr(prefix, '/', | |
4841 | SvEND(prefix_sv) - prefix)))) | |
4842 | { | |
88fe16b2 NC |
4843 | if (lastslash[1] == '\0' |
4844 | || (lastslash[1] == '.' | |
4845 | && (lastslash[2] == '/' /* ends "/." */ | |
4846 | || (lastslash[2] == '/' | |
4847 | && lastslash[3] == '/' /* or "/.." */ | |
4848 | )))) { | |
4849 | /* Prefix ends "/" or "/." or "/..", any of which | |
4850 | are fishy, so don't do any more logical cleanup. | |
4851 | */ | |
4852 | break; | |
4853 | } | |
4854 | /* Remove leading "../" from path */ | |
4855 | libpath += 3; | |
4856 | libpath_len -= 3; | |
4857 | /* Next iteration round the loop removes the last | |
4858 | directory name from prefix by writing a '\0' in | |
4859 | the while clause. */ | |
4860 | } | |
4861 | /* prefix has been terminated with a '\0' to the correct | |
4862 | length. libpath points somewhere into the libdir SV. | |
4863 | We need to join the 2 with '/' and drop the result into | |
4864 | libdir. */ | |
4865 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4866 | SvREFCNT_dec(libdir); | |
4867 | /* And this is the new libdir. */ | |
4868 | libdir = tempsv; | |
284167a5 | 4869 | if (TAINTING_get && |
985213f2 AB |
4870 | (PerlProc_getuid() != PerlProc_geteuid() || |
4871 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4872 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4873 | SvTAINTED_on(libdir); |
4874 | } | |
4875 | } | |
4876 | SvREFCNT_dec(prefix_sv); | |
4877 | } | |
88fe16b2 | 4878 | #endif |
dd374669 | 4879 | } |
c29067d7 | 4880 | return libdir; |
c29067d7 CH |
4881 | } |
4882 | ||
4883 | STATIC void | |
4884 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4885 | { | |
c29067d7 CH |
4886 | #ifndef PERL_IS_MINIPERL |
4887 | const U8 using_sub_dirs | |
4888 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4889 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4890 | const U8 add_versioned_sub_dirs | |
4891 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4892 | const U8 add_archonly_sub_dirs | |
4893 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4894 | #ifdef PERL_INC_VERSION_LIST | |
4895 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4896 | #endif | |
4897 | #endif | |
4898 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4899 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4900 | AV *const inc = GvAVn(PL_incgv); | |
4901 | ||
4902 | PERL_ARGS_ASSERT_INCPUSH; | |
4903 | assert(len > 0); | |
4904 | ||
4905 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4906 | re-indenting diff noise. */ | |
4907 | { | |
5a702b9a | 4908 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4909 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4910 | arranged to unshift #! line -I onto the front of @INC. However, | |
4911 | -I can add version and architecture specific libraries, and they | |
4912 | need to go first. The old code assumed that it was always | |
4913 | pushing. Hence to make it work, need to push the architecture | |
4914 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4915 | the front of @INC. */ | |
4916 | #ifndef PERL_IS_MINIPERL | |
4917 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4918 | |
774d564b | 4919 | /* |
4920 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4921 | * archname-specific sub-directories. | |
4922 | */ | |
ee80e7be | 4923 | if (using_sub_dirs) { |
5a702b9a | 4924 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4925 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4926 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4927 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4928 | const char * const *incver; | |
29d82f8d | 4929 | #endif |
7ffdaae6 | 4930 | |
1e3208d8 | 4931 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4932 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4933 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4934 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4935 | |
9c8a64f0 | 4936 | /* .../version if -d .../version */ |
e51b748d | 4937 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4938 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4939 | } |
9c8a64f0 | 4940 | |
9c8a64f0 | 4941 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4942 | if (addoldvers) { |
9c8a64f0 GS |
4943 | for (incver = incverlist; *incver; incver++) { |
4944 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4945 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4946 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4947 | } |
4948 | } | |
29d82f8d | 4949 | #endif |
c992324b | 4950 | |
1e3208d8 | 4951 | if (add_archonly_sub_dirs) { |
c992324b | 4952 | /* .../archname if -d .../archname */ |
e51b748d | 4953 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4954 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4955 | |
4956 | } | |
10cc20f6 NC |
4957 | |
4958 | assert (SvREFCNT(subdir) == 1); | |
4959 | SvREFCNT_dec(subdir); | |
774d564b | 4960 | } |
59d6f6a4 | 4961 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4962 | /* finally add this lib directory at the end of @INC */ |
4963 | if (unshift) { | |
76895e89 | 4964 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4965 | const Size_t extra = 0; |
76895e89 | 4966 | #else |
b9f2b683 | 4967 | Size_t extra = av_tindex(av) + 1; |
76895e89 | 4968 | #endif |
a26c0e28 NC |
4969 | av_unshift(inc, extra + push_basedir); |
4970 | if (push_basedir) | |
4971 | av_store(inc, extra, libdir); | |
76895e89 | 4972 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4973 | while (extra--) { |
4974 | /* av owns a reference, av_store() expects to be donated a | |
4975 | reference, and av expects to be sane when it's cleared. | |
4976 | If I wanted to be naughty and wrong, I could peek inside the | |
4977 | implementation of av_clear(), realise that it uses | |
4978 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4979 | and so directly steal from it (with a memcpy() to inc, and | |
4980 | then memset() to NULL them out. But people copy code from the | |
4981 | core expecting it to be best practise, so let's use the API. | |
4982 | Although studious readers will note that I'm not checking any | |
4983 | return codes. */ | |
4984 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4985 | } | |
4986 | SvREFCNT_dec(av); | |
59d6f6a4 | 4987 | #endif |
20189146 | 4988 | } |
a26c0e28 | 4989 | else if (push_basedir) { |
3a9a9ba7 | 4990 | av_push(inc, libdir); |
20189146 | 4991 | } |
a26c0e28 NC |
4992 | |
4993 | if (!push_basedir) { | |
4994 | assert (SvREFCNT(libdir) == 1); | |
4995 | SvREFCNT_dec(libdir); | |
4996 | } | |
774d564b | 4997 | } |
34de22dd | 4998 | } |
93a17b20 | 4999 | |
55b4bc1c | 5000 | STATIC void |
50d61629 | 5001 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 5002 | { |
50d61629 NC |
5003 | const char *s; |
5004 | const char *end; | |
55b4bc1c NC |
5005 | /* This logic has been broken out from S_incpush(). It may be possible to |
5006 | simplify it. */ | |
5007 | ||
4705144d NC |
5008 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
5009 | ||
f31c6eed JD |
5010 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
5011 | * argument to incpush_use_sep. This allows creation of relocatable | |
5012 | * Perl distributions that patch the binary at install time. Those | |
5013 | * distributions will have to provide their own relocation tools; this | |
5014 | * is not a feature otherwise supported by core Perl. | |
5015 | */ | |
5016 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 5017 | if (!len) |
f31c6eed | 5018 | #endif |
50d61629 NC |
5019 | len = strlen(p); |
5020 | ||
5021 | end = p + len; | |
5022 | ||
55b4bc1c | 5023 | /* Break at all separators */ |
e42f52dd | 5024 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
5025 | if (s == p) { |
5026 | /* skip any consecutive separators */ | |
55b4bc1c | 5027 | |
55b4bc1c | 5028 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 5029 | /* But you'll need to write tests */ |
55b4bc1c | 5030 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 5031 | } else { |
55b4bc1c | 5032 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 5033 | } |
50d61629 | 5034 | p = s + 1; |
55b4bc1c | 5035 | } |
50d61629 NC |
5036 | if (p != end) |
5037 | incpush(p, (STRLEN)(end - p), flags); | |
5038 | ||
55b4bc1c | 5039 | } |
199100c8 | 5040 | |
93a17b20 | 5041 | void |
864dbfa3 | 5042 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 5043 | { |
971a9dd3 | 5044 | SV *atsv; |
8162b70e | 5045 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 5046 | CV *cv; |
22921e25 | 5047 | STRLEN len; |
6224f72b | 5048 | int ret; |
db36c5a1 | 5049 | dJMPENV; |
93a17b20 | 5050 | |
7918f24d NC |
5051 | PERL_ARGS_ASSERT_CALL_LIST; |
5052 | ||
b9f2b683 | 5053 | while (av_tindex(paramList) >= 0) { |
ea726b52 | 5054 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
5055 | if (PL_savebegin) { |
5056 | if (paramList == PL_beginav) { | |
059a8bb7 | 5057 | /* save PL_beginav for compiler */ |
ad64d0ec | 5058 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
5059 | } |
5060 | else if (paramList == PL_checkav) { | |
5061 | /* save PL_checkav for compiler */ | |
ad64d0ec | 5062 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 5063 | } |
3c10abe3 AG |
5064 | else if (paramList == PL_unitcheckav) { |
5065 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 5066 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 5067 | } |
059a8bb7 | 5068 | } else { |
b5bbe64a | 5069 | SAVEFREESV(cv); |
059a8bb7 | 5070 | } |
14dd3ad8 | 5071 | JMPENV_PUSH(ret); |
6224f72b | 5072 | switch (ret) { |
312caa8e | 5073 | case 0: |
d6f07c05 | 5074 | CALL_LIST_BODY(cv); |
971a9dd3 | 5075 | atsv = ERRSV; |
10516c54 | 5076 | (void)SvPV_const(atsv, len); |
312caa8e CS |
5077 | if (len) { |
5078 | PL_curcop = &PL_compiling; | |
57843af0 | 5079 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5080 | if (paramList == PL_beginav) |
396482e1 | 5081 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 5082 | else |
4f25aa18 GS |
5083 | Perl_sv_catpvf(aTHX_ atsv, |
5084 | "%s failed--call queue aborted", | |
7d30b5c4 | 5085 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5086 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5087 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5088 | : "END"); |
312caa8e CS |
5089 | while (PL_scopestack_ix > oldscope) |
5090 | LEAVE; | |
14dd3ad8 | 5091 | JMPENV_POP; |
147e3846 | 5092 | Perl_croak(aTHX_ "%" SVf, SVfARG(atsv)); |
a0d0e21e | 5093 | } |
85e6fe83 | 5094 | break; |
6224f72b | 5095 | case 1: |
f86702cc | 5096 | STATUS_ALL_FAILURE; |
924ba076 | 5097 | /* FALLTHROUGH */ |
6224f72b | 5098 | case 2: |
85e6fe83 | 5099 | /* my_exit() was called */ |
3280af22 | 5100 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5101 | LEAVE; |
84902520 | 5102 | FREETMPS; |
03d9f026 | 5103 | SET_CURSTASH(PL_defstash); |
3280af22 | 5104 | PL_curcop = &PL_compiling; |
57843af0 | 5105 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5106 | JMPENV_POP; |
f86702cc | 5107 | my_exit_jump(); |
e5964223 | 5108 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 5109 | case 3: |
312caa8e CS |
5110 | if (PL_restartop) { |
5111 | PL_curcop = &PL_compiling; | |
57843af0 | 5112 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5113 | JMPENV_JUMP(3); |
85e6fe83 | 5114 | } |
5637ef5b | 5115 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
5116 | FREETMPS; |
5117 | break; | |
8990e307 | 5118 | } |
14dd3ad8 | 5119 | JMPENV_POP; |
93a17b20 | 5120 | } |
93a17b20 | 5121 | } |
93a17b20 | 5122 | |
f86702cc | 5123 | void |
864dbfa3 | 5124 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5125 | { |
6136213b JGM |
5126 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5127 | abort(); | |
5128 | } | |
5129 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5130 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5131 | Perl_warn(aTHX_ "Unexpected exit %lu", (unsigned long)status); |
6136213b JGM |
5132 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5133 | } | |
f86702cc | 5134 | switch (status) { |
5135 | case 0: | |
5136 | STATUS_ALL_SUCCESS; | |
5137 | break; | |
5138 | case 1: | |
5139 | STATUS_ALL_FAILURE; | |
5140 | break; | |
5141 | default: | |
6ac6a52b | 5142 | STATUS_EXIT_SET(status); |
f86702cc | 5143 | break; |
5144 | } | |
5145 | my_exit_jump(); | |
5146 | } | |
5147 | ||
5148 | void | |
864dbfa3 | 5149 | Perl_my_failure_exit(pTHX) |
f86702cc | 5150 | { |
5151 | #ifdef VMS | |
fb38d079 JM |
5152 | /* We have been called to fall on our sword. The desired exit code |
5153 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5154 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5155 | * that code is set. | |
fb38d079 JM |
5156 | * |
5157 | * If an error code has not been set, then force the issue. | |
5158 | */ | |
0968cdad JM |
5159 | if (MY_POSIX_EXIT) { |
5160 | ||
e08e1e1d JM |
5161 | /* According to the die_exit.t tests, if errno is non-zero */ |
5162 | /* It should be used for the error status. */ | |
0968cdad | 5163 | |
e08e1e1d JM |
5164 | if (errno == EVMSERR) { |
5165 | STATUS_NATIVE = vaxc$errno; | |
5166 | } else { | |
0968cdad | 5167 | |
e08e1e1d JM |
5168 | /* According to die_exit.t tests, if the child_exit code is */ |
5169 | /* also zero, then we need to exit with a code of 255 */ | |
5170 | if ((errno != 0) && (errno < 256)) | |
5171 | STATUS_UNIX_EXIT_SET(errno); | |
5172 | else if (STATUS_UNIX < 255) { | |
0968cdad | 5173 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
5174 | } |
5175 | ||
0968cdad | 5176 | } |
e08e1e1d JM |
5177 | |
5178 | /* The exit code could have been set by $? or vmsish which | |
5179 | * means that it may not have fatal set. So convert | |
5180 | * success/warning codes to fatal with out changing | |
5181 | * the POSIX status code. The severity makes VMS native | |
5182 | * status handling work, while UNIX mode programs use the | |
5183 | * the POSIX exit codes. | |
5184 | */ | |
5185 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
5186 | STATUS_NATIVE &= STS$M_COND_ID; | |
5187 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
5188 | } | |
0968cdad JM |
5189 | } |
5190 | else { | |
5191 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5192 | if (vaxc$errno & 1) { | |
5193 | ||
5194 | /* So force success status to failure */ | |
5195 | if (STATUS_NATIVE & 1) | |
5196 | STATUS_ALL_FAILURE; | |
5197 | } | |
5198 | else { | |
5199 | if (!vaxc$errno) { | |
5200 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5201 | STATUS_ALL_FAILURE; | |
5202 | } | |
5203 | else { | |
5204 | int severity; | |
5205 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5206 | ||
5207 | /* Encode the severity code */ | |
5208 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5209 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5210 | ||
5211 | /* Perl expects this to be a fatal error */ | |
5212 | if (severity != STS$K_SEVERE) | |
5213 | STATUS_ALL_FAILURE; | |
5214 | } | |
5215 | } | |
5216 | } | |
fb38d079 | 5217 | |
f86702cc | 5218 | #else |
9b599b2a | 5219 | int exitstatus; |
f86702cc | 5220 | if (errno & 255) |
e5218da5 | 5221 | STATUS_UNIX_SET(errno); |
9b599b2a | 5222 | else { |
e5218da5 | 5223 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5224 | if (exitstatus & 255) |
e5218da5 | 5225 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5226 | else |
e5218da5 | 5227 | STATUS_UNIX_SET(255); |
9b599b2a | 5228 | } |
f86702cc | 5229 | #endif |
6136213b JGM |
5230 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5231 | abort(); | |
5232 | } | |
5233 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5234 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5235 | Perl_warn(aTHX_ "Unexpected exit failure %ld", (long)PL_statusvalue); |
6136213b JGM |
5236 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5237 | } | |
f86702cc | 5238 | my_exit_jump(); |
93a17b20 LW |
5239 | } |
5240 | ||
76e3520e | 5241 | STATIC void |
cea2e8a9 | 5242 | S_my_exit_jump(pTHX) |
f86702cc | 5243 | { |
3280af22 NIS |
5244 | if (PL_e_script) { |
5245 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5246 | PL_e_script = NULL; |
f86702cc | 5247 | } |
5248 | ||
3280af22 | 5249 | POPSTACK_TO(PL_mainstack); |
3706fcea DM |
5250 | if (cxstack_ix >= 0) { |
5251 | dounwind(-1); | |
ed8ff0f3 | 5252 | cx_popblock(cxstack); |
3706fcea | 5253 | } |
f97a0ef2 | 5254 | LEAVE_SCOPE(0); |
ff0cee69 | 5255 | |
6224f72b | 5256 | JMPENV_JUMP(2); |
f86702cc | 5257 | } |
873ef191 | 5258 | |
0cb96387 | 5259 | static I32 |
acfe0abc | 5260 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5261 | { |
9d4ba2ae AL |
5262 | const char * const p = SvPVX_const(PL_e_script); |
5263 | const char *nl = strchr(p, '\n'); | |
5264 | ||
5265 | PERL_UNUSED_ARG(idx); | |
5266 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5267 | |
3280af22 | 5268 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5269 | if (nl-p == 0) { |
0cb96387 | 5270 | filter_del(read_e_script); |
873ef191 | 5271 | return 0; |
7dfe3f66 | 5272 | } |
873ef191 | 5273 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5274 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5275 | return 1; |
5276 | } | |
66610fdd | 5277 | |
db6e00bd DD |
5278 | /* removes boilerplate code at the end of each boot_Module xsub */ |
5279 | void | |
b01a1eea | 5280 | Perl_xs_boot_epilog(pTHX_ const I32 ax) |
db6e00bd DD |
5281 | { |
5282 | if (PL_unitcheckav) | |
5283 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
5284 | XSRETURN_YES; | |
5285 | } | |
5286 | ||
66610fdd | 5287 | /* |
14d04a33 | 5288 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5289 | */ |