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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 |
4a29172e | 6 | * 2013, 2014, 2015, 2016, 2017, 2018, 2019 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; |
1e5c5f69 | 95 | KEYWORD_PLUGIN_MUTEX_INIT; |
71ad1b0c | 96 | HINTS_REFCNT_INIT; |
929e1213 | 97 | LOCALE_INIT; |
8310e7fa | 98 | USER_PROP_MUTEX_INIT; |
e6827a76 | 99 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
100 | MUTEX_INIT(&PL_my_ctx_mutex); |
101 | # endif | |
e6827a76 | 102 | } |
c0bce9aa NC |
103 | #if defined(USE_ITHREADS) |
104 | else | |
105 | #else | |
106 | /* This always happens for non-ithreads */ | |
107 | #endif | |
108 | { | |
e6827a76 NC |
109 | PERL_SET_THX(my_perl); |
110 | } | |
111 | } | |
06d86050 | 112 | |
cbec8ebe DM |
113 | |
114 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
115 | ||
116 | void | |
117 | Perl_sys_init(int* argc, char*** argv) | |
118 | { | |
4fc0badb | 119 | dVAR; |
7918f24d NC |
120 | |
121 | PERL_ARGS_ASSERT_SYS_INIT; | |
122 | ||
cbec8ebe DM |
123 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
124 | PERL_UNUSED_ARG(argv); | |
125 | PERL_SYS_INIT_BODY(argc, argv); | |
126 | } | |
127 | ||
128 | void | |
129 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
130 | { | |
4fc0badb | 131 | dVAR; |
7918f24d NC |
132 | |
133 | PERL_ARGS_ASSERT_SYS_INIT3; | |
134 | ||
cbec8ebe DM |
135 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
136 | PERL_UNUSED_ARG(argv); | |
137 | PERL_UNUSED_ARG(env); | |
138 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
139 | } | |
140 | ||
141 | void | |
88772978 | 142 | Perl_sys_term(void) |
cbec8ebe | 143 | { |
4fc0badb | 144 | dVAR; |
bf81751b DM |
145 | if (!PL_veto_cleanup) { |
146 | PERL_SYS_TERM_BODY(); | |
147 | } | |
cbec8ebe DM |
148 | } |
149 | ||
150 | ||
32e30700 GS |
151 | #ifdef PERL_IMPLICIT_SYS |
152 | PerlInterpreter * | |
7766f137 GS |
153 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
154 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
155 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
156 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
157 | struct IPerlProc* ipP) | |
158 | { | |
159 | PerlInterpreter *my_perl; | |
7918f24d NC |
160 | |
161 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
162 | ||
9f653bb5 | 163 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 164 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 165 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
166 | Zero(my_perl, 1, PerlInterpreter); |
167 | PL_Mem = ipM; | |
7766f137 GS |
168 | PL_MemShared = ipMS; |
169 | PL_MemParse = ipMP; | |
32e30700 GS |
170 | PL_Env = ipE; |
171 | PL_StdIO = ipStd; | |
172 | PL_LIO = ipLIO; | |
173 | PL_Dir = ipD; | |
174 | PL_Sock = ipS; | |
175 | PL_Proc = ipP; | |
7cb608b5 | 176 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 177 | |
32e30700 GS |
178 | return my_perl; |
179 | } | |
180 | #else | |
954c1994 GS |
181 | |
182 | /* | |
ccfc67b7 JH |
183 | =head1 Embedding Functions |
184 | ||
954c1994 GS |
185 | =for apidoc perl_alloc |
186 | ||
187 | Allocates a new Perl interpreter. See L<perlembed>. | |
188 | ||
189 | =cut | |
190 | */ | |
191 | ||
93a17b20 | 192 | PerlInterpreter * |
cea2e8a9 | 193 | perl_alloc(void) |
79072805 | 194 | { |
cea2e8a9 | 195 | PerlInterpreter *my_perl; |
79072805 | 196 | |
9f653bb5 | 197 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 198 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 199 | |
e6827a76 | 200 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 201 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 202 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
203 | #else |
204 | Zero(my_perl, 1, PerlInterpreter); | |
205 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
206 | return my_perl; | |
207 | #endif | |
79072805 | 208 | } |
32e30700 | 209 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 210 | |
954c1994 GS |
211 | /* |
212 | =for apidoc perl_construct | |
213 | ||
214 | Initializes a new Perl interpreter. See L<perlembed>. | |
215 | ||
216 | =cut | |
217 | */ | |
218 | ||
0927ade0 JC |
219 | static void |
220 | S_fixup_platform_bugs(void) | |
221 | { | |
222 | #if defined(__GLIBC__) && IVSIZE == 8 \ | |
223 | && ( __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8)) | |
224 | { | |
225 | IV l = 3; | |
226 | IV r = -10; | |
227 | /* Cannot do this check with inlined IV constants since | |
228 | * that seems to work correctly even with the buggy glibc. */ | |
229 | if (l % r == -3) { | |
230 | dTHX; | |
231 | /* Yikes, we have the bug. | |
232 | * Patch in the workaround version. */ | |
233 | PL_ppaddr[OP_I_MODULO] = &Perl_pp_i_modulo_glibc_bugfix; | |
234 | } | |
235 | } | |
236 | #endif | |
237 | } | |
238 | ||
79072805 | 239 | void |
0cb96387 | 240 | perl_construct(pTHXx) |
79072805 | 241 | { |
27da23d5 | 242 | dVAR; |
7918f24d NC |
243 | |
244 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
245 | ||
8990e307 | 246 | #ifdef MULTIPLICITY |
54aff467 | 247 | init_interp(); |
ac27b0f5 | 248 | PL_perl_destruct_level = 1; |
54aff467 | 249 | #else |
7918f24d | 250 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
251 | if (PL_perl_destruct_level > 0) |
252 | init_interp(); | |
253 | #endif | |
34caed6d DM |
254 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
255 | ||
75d476e2 S |
256 | #ifdef PERL_TRACE_OPS |
257 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
258 | #endif | |
259 | ||
0d96b528 | 260 | init_constants(); |
34caed6d | 261 | |
e04fc1aa CB |
262 | SvREADONLY_on(&PL_sv_placeholder); |
263 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; | |
264 | ||
265 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
266 | #ifdef PERL_USES_PL_PIDSTATUS | |
267 | PL_pidstatus = newHV(); | |
268 | #endif | |
269 | ||
270 | PL_rs = newSVpvs("\n"); | |
271 | ||
272 | init_stacks(); | |
273 | ||
274 | /* The PERL_INTERNAL_RAND_SEED set-up must be after init_stacks because it calls | |
275 | * things that may put SVs on the stack. | |
276 | */ | |
277 | ||
d6295071 | 278 | #ifdef NO_PERL_INTERNAL_RAND_SEED |
f26b33bd | 279 | Perl_drand48_init_r(&PL_internal_random_state, seed()); |
d6295071 TC |
280 | #else |
281 | { | |
282 | UV seed; | |
283 | const char *env_pv; | |
284 | if (PerlProc_getuid() != PerlProc_geteuid() || | |
285 | PerlProc_getgid() != PerlProc_getegid() || | |
286 | !(env_pv = PerlEnv_getenv("PERL_INTERNAL_RAND_SEED")) || | |
287 | grok_number(env_pv, strlen(env_pv), &seed) != IS_NUMBER_IN_UV) { | |
288 | seed = seed(); | |
289 | } | |
290 | Perl_drand48_init_r(&PL_internal_random_state, (U32)seed); | |
291 | } | |
292 | #endif | |
f26b33bd | 293 | |
748a9306 | 294 | init_ids(); |
a5f75d66 | 295 | |
0927ade0 JC |
296 | S_fixup_platform_bugs(); |
297 | ||
312caa8e | 298 | JMPENV_BOOTSTRAP; |
f86702cc | 299 | STATUS_ALL_SUCCESS; |
300 | ||
95e064d9 | 301 | init_uniprops(); |
8c90d3a9 KW |
302 | (void) uvchr_to_utf8_flags((U8 *) PL_TR_SPECIAL_HANDLING_UTF8, |
303 | TR_SPECIAL_HANDLING, | |
304 | UNICODE_ALLOW_ABOVE_IV_MAX); | |
0b5b802d | 305 | |
ab821d7f | 306 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 307 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 308 | #endif |
309 | ||
fa2e4594 TC |
310 | #if defined(LIBM_LIB_VERSION) |
311 | /* | |
312 | * Some BSDs and Cygwin default to POSIX math instead of IEEE. | |
313 | * This switches them over to IEEE. | |
314 | */ | |
315 | _LIB_VERSION = _IEEE_; | |
316 | #endif | |
317 | ||
52853b95 GS |
318 | #ifdef HAVE_INTERP_INTERN |
319 | sys_intern_init(); | |
320 | #endif | |
321 | ||
3a1ee7e8 | 322 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 323 | |
3280af22 NIS |
324 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
325 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 326 | PL_errors = newSVpvs(""); |
854da30f YO |
327 | SvPVCLEAR(PERL_DEBUG_PAD(0)); /* For regex debugging. */ |
328 | SvPVCLEAR(PERL_DEBUG_PAD(1)); /* ext/re needs these */ | |
329 | SvPVCLEAR(PERL_DEBUG_PAD(2)); /* even without DEBUGGING. */ | |
1fcf4c12 | 330 | #ifdef USE_ITHREADS |
402d2eb1 NC |
331 | /* First entry is a list of empty elements. It needs to be initialised |
332 | else all hell breaks loose in S_find_uninit_var(). */ | |
333 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 334 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 335 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 336 | #endif |
e5dd39fc | 337 | #ifdef USE_REENTRANT_API |
59bd0823 | 338 | Perl_reentrant_init(aTHX); |
e5dd39fc | 339 | #endif |
e6a172f3 | 340 | if (PL_hash_seed_set == FALSE) { |
9d5e3f1a YO |
341 | /* Initialize the hash seed and state at startup. This must be |
342 | * done very early, before ANY hashes are constructed, and once | |
343 | * setup is fixed for the lifetime of the process. | |
344 | * | |
345 | * If you decide to disable the seeding process you should choose | |
346 | * a suitable seed yourself and define PERL_HASH_SEED to a well chosen | |
347 | * string. See hv_func.h for details. | |
348 | */ | |
1a237f4f | 349 | #if defined(USE_HASH_SEED) |
9d5e3f1a | 350 | /* get the hash seed from the environment or from an RNG */ |
7dc86639 | 351 | Perl_get_hash_seed(aTHX_ PL_hash_seed); |
1a237f4f | 352 | #else |
9d5e3f1a YO |
353 | /* they want a hard coded seed, check that it is long enough */ |
354 | assert( strlen(PERL_HASH_SEED) >= PERL_HASH_SEED_BYTES ); | |
1a237f4f | 355 | #endif |
e6a172f3 | 356 | |
9d5e3f1a YO |
357 | /* now we use the chosen seed to initialize the state - |
358 | * in some configurations this may be a relatively speaking | |
359 | * expensive operation, but we only have to do it once at startup */ | |
360 | PERL_HASH_SEED_STATE(PERL_HASH_SEED,PL_hash_state); | |
361 | ||
362 | #ifdef PERL_USE_SINGLE_CHAR_HASH_CACHE | |
363 | /* we can build a special cache for 0/1 byte keys, if people choose | |
364 | * I suspect most of the time it is not worth it */ | |
365 | { | |
366 | char str[2]="\0"; | |
367 | int i; | |
368 | for (i=0;i<256;i++) { | |
369 | str[0]= i; | |
370 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[i],str,1); | |
371 | } | |
372 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[256],str,0); | |
373 | } | |
374 | #endif | |
375 | /* at this point we have initialezed the hash function, and we can start | |
376 | * constructing hashes */ | |
377 | PL_hash_seed_set= TRUE; | |
378 | } | |
c82f4881 N |
379 | |
380 | /* Allow PL_strtab to be pre-initialized before calling perl_construct. | |
381 | * can use a custom optimized PL_strtab hash before calling perl_construct */ | |
382 | if (!PL_strtab) { | |
383 | /* Note that strtab is a rather special HV. Assumptions are made | |
384 | about not iterating on it, and not adding tie magic to it. | |
385 | It is properly deallocated in perl_destruct() */ | |
386 | PL_strtab = newHV(); | |
387 | ||
388 | /* SHAREKEYS tells us that the hash has its keys shared with PL_strtab, | |
389 | * which is not the case with PL_strtab itself */ | |
390 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ | |
391 | hv_ksplit(PL_strtab, 1 << 11); | |
392 | } | |
3d47000e | 393 | |
a38ab475 RZ |
394 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
395 | ||
2f42fcb0 JH |
396 | #ifndef PERL_MICRO |
397 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 398 | PL_origenviron = environ; |
2f42fcb0 | 399 | # endif |
0631ea03 AB |
400 | #endif |
401 | ||
5311654c | 402 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 403 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
404 | * The HZ if not originally defined has been by now |
405 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 406 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
407 | PL_clocktick = sysconf(_SC_CLK_TCK); |
408 | if (PL_clocktick <= 0) | |
409 | #endif | |
410 | PL_clocktick = HZ; | |
411 | ||
081fc587 AB |
412 | PL_stashcache = newHV(); |
413 | ||
e8e3635e | 414 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 415 | |
27da23d5 JH |
416 | #ifdef HAS_MMAP |
417 | if (!PL_mmap_page_size) { | |
418 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
419 | { | |
420 | SETERRNO(0, SS_NORMAL); | |
421 | # ifdef _SC_PAGESIZE | |
422 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
423 | # else | |
424 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
425 | # endif | |
426 | if ((long) PL_mmap_page_size < 0) { | |
f63f4036 Z |
427 | Perl_croak(aTHX_ "panic: sysconf: %s", |
428 | errno ? Strerror(errno) : "pagesize unknown"); | |
27da23d5 JH |
429 | } |
430 | } | |
39bb759e | 431 | #elif defined(HAS_GETPAGESIZE) |
27da23d5 | 432 | PL_mmap_page_size = getpagesize(); |
39bb759e | 433 | #elif defined(I_SYS_PARAM) && defined(PAGESIZE) |
27da23d5 | 434 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ |
27da23d5 JH |
435 | #endif |
436 | if (PL_mmap_page_size <= 0) | |
437 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
438 | (IV) PL_mmap_page_size); | |
439 | } | |
440 | #endif /* HAS_MMAP */ | |
441 | ||
442 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
443 | PL_timesbase.tms_utime = 0; | |
444 | PL_timesbase.tms_stime = 0; | |
445 | PL_timesbase.tms_cutime = 0; | |
446 | PL_timesbase.tms_cstime = 0; | |
447 | #endif | |
448 | ||
7d113631 NC |
449 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
450 | ||
a3e6e81e | 451 | PL_registered_mros = newHV(); |
9e169432 NC |
452 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
453 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 454 | |
39e69e77 | 455 | #ifdef USE_POSIX_2008_LOCALE |
6ebbc862 KW |
456 | PL_C_locale_obj = newlocale(LC_ALL_MASK, "C", NULL); |
457 | #endif | |
7b8dd5f4 | 458 | |
8990e307 | 459 | ENTER; |
cb3fd6ac | 460 | init_i18nl10n(1); |
79072805 LW |
461 | } |
462 | ||
954c1994 | 463 | /* |
62375a60 NIS |
464 | =for apidoc nothreadhook |
465 | ||
466 | Stub that provides thread hook for perl_destruct when there are | |
467 | no threads. | |
468 | ||
469 | =cut | |
470 | */ | |
471 | ||
472 | int | |
4e9e3734 | 473 | Perl_nothreadhook(pTHX) |
62375a60 | 474 | { |
96a5add6 | 475 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
476 | return 0; |
477 | } | |
478 | ||
41e4abd8 NC |
479 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
480 | void | |
481 | Perl_dump_sv_child(pTHX_ SV *sv) | |
482 | { | |
483 | ssize_t got; | |
bf357333 NC |
484 | const int sock = PL_dumper_fd; |
485 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
486 | union control_un control; |
487 | struct msghdr msg; | |
808ad2d0 | 488 | struct iovec vec[2]; |
bf357333 | 489 | struct cmsghdr *cmptr; |
808ad2d0 NC |
490 | int returned_errno; |
491 | unsigned char buffer[256]; | |
41e4abd8 | 492 | |
7918f24d NC |
493 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
494 | ||
bf357333 | 495 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
496 | return; |
497 | ||
498 | PerlIO_flush(Perl_debug_log); | |
499 | ||
bf357333 NC |
500 | /* All these shenanigans are to pass a file descriptor over to our child for |
501 | it to dump out to. We can't let it hold open the file descriptor when it | |
502 | forks, as the file descriptor it will dump to can turn out to be one end | |
503 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 504 | be open, the wait would be forever.) */ |
bf357333 NC |
505 | |
506 | msg.msg_control = control.control; | |
507 | msg.msg_controllen = sizeof(control.control); | |
508 | /* We're a connected socket so we don't need a destination */ | |
509 | msg.msg_name = NULL; | |
510 | msg.msg_namelen = 0; | |
511 | msg.msg_iov = vec; | |
808ad2d0 | 512 | msg.msg_iovlen = 1; |
bf357333 NC |
513 | |
514 | cmptr = CMSG_FIRSTHDR(&msg); | |
515 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
516 | cmptr->cmsg_level = SOL_SOCKET; | |
517 | cmptr->cmsg_type = SCM_RIGHTS; | |
518 | *((int *)CMSG_DATA(cmptr)) = 1; | |
519 | ||
520 | vec[0].iov_base = (void*)&sv; | |
521 | vec[0].iov_len = sizeof(sv); | |
522 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
523 | |
524 | if(got < 0) { | |
bf357333 | 525 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
526 | abort(); |
527 | } | |
bf357333 NC |
528 | if(got < sizeof(sv)) { |
529 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
530 | abort(); |
531 | } | |
532 | ||
808ad2d0 NC |
533 | /* Return protocol is |
534 | int: errno value | |
535 | unsigned char: length of location string (0 for empty) | |
536 | unsigned char*: string (not terminated) | |
537 | */ | |
538 | vec[0].iov_base = (void*)&returned_errno; | |
539 | vec[0].iov_len = sizeof(returned_errno); | |
540 | vec[1].iov_base = buffer; | |
541 | vec[1].iov_len = 1; | |
542 | ||
543 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
544 | |
545 | if(got < 0) { | |
546 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 547 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
548 | abort(); |
549 | } | |
808ad2d0 | 550 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 551 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 552 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
553 | abort(); |
554 | } | |
555 | ||
808ad2d0 NC |
556 | if (*buffer) { |
557 | got = read(sock, buffer + 1, *buffer); | |
558 | if(got < 0) { | |
559 | perror("Debug leaking scalars parent read 2 failed"); | |
560 | PerlIO_flush(PerlIO_stderr()); | |
561 | abort(); | |
562 | } | |
563 | ||
564 | if(got < *buffer) { | |
565 | perror("Debug leaking scalars parent short read 2"); | |
566 | PerlIO_flush(PerlIO_stderr()); | |
567 | abort(); | |
568 | } | |
569 | } | |
570 | ||
571 | if (returned_errno || *buffer) { | |
572 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
573 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 574 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
575 | } |
576 | } | |
577 | #endif | |
578 | ||
62375a60 | 579 | /* |
44170c9a | 580 | =for apidoc perl_destruct |
0301e899 Z |
581 | |
582 | Shuts down a Perl interpreter. See L<perlembed> for a tutorial. | |
583 | ||
584 | C<my_perl> points to the Perl interpreter. It must have been previously | |
585 | created through the use of L</perl_alloc> and L</perl_construct>. It may | |
586 | have been initialised through L</perl_parse>, and may have been used | |
587 | through L</perl_run> and other means. This function should be called for | |
588 | any Perl interpreter that has been constructed with L</perl_construct>, | |
589 | even if subsequent operations on it failed, for example if L</perl_parse> | |
590 | returned a non-zero value. | |
591 | ||
592 | If the interpreter's C<PL_exit_flags> word has the | |
593 | C<PERL_EXIT_DESTRUCT_END> flag set, then this function will execute code | |
594 | in C<END> blocks before performing the rest of destruction. If it is | |
595 | desired to make any use of the interpreter between L</perl_parse> and | |
596 | L</perl_destruct> other than just calling L</perl_run>, then this flag | |
597 | should be set early on. This matters if L</perl_run> will not be called, | |
598 | or if anything else will be done in addition to calling L</perl_run>. | |
599 | ||
600 | Returns a value be a suitable value to pass to the C library function | |
601 | C<exit> (or to return from C<main>), to serve as an exit code indicating | |
602 | the nature of the way the interpreter terminated. This takes into account | |
603 | any failure of L</perl_parse> and any early exit from L</perl_run>. | |
604 | The exit code is of the type required by the host operating system, | |
605 | so because of differing exit code conventions it is not portable to | |
606 | interpret specific numeric values as having specific meanings. | |
954c1994 GS |
607 | |
608 | =cut | |
609 | */ | |
610 | ||
31d77e54 | 611 | int |
0cb96387 | 612 | perl_destruct(pTHXx) |
79072805 | 613 | { |
27da23d5 | 614 | dVAR; |
8162b70e | 615 | volatile signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 616 | HV *hv; |
2aa47728 | 617 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
618 | pid_t child; |
619 | #endif | |
9c0b6888 | 620 | int i; |
8990e307 | 621 | |
7918f24d NC |
622 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
623 | #ifndef MULTIPLICITY | |
ed6c66dd | 624 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 625 | #endif |
9d4ba2ae | 626 | |
3d22c4f0 GG |
627 | assert(PL_scopestack_ix == 1); |
628 | ||
7766f137 GS |
629 | /* wait for all pseudo-forked children to finish */ |
630 | PERL_WAIT_FOR_CHILDREN; | |
631 | ||
3280af22 | 632 | destruct_level = PL_perl_destruct_level; |
4633a7c4 | 633 | { |
9d4ba2ae AL |
634 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
635 | if (s) { | |
96e440d2 JH |
636 | int i; |
637 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
638 | i = -1; | |
639 | } else { | |
22ff3130 HS |
640 | UV uv; |
641 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
642 | i = (int)uv; | |
643 | else | |
644 | i = 0; | |
96e440d2 | 645 | } |
36e77d41 | 646 | if (destruct_level < i) destruct_level = i; |
36e77d41 | 647 | #ifdef PERL_TRACK_MEMPOOL |
f5199772 KW |
648 | /* RT #114496, for perl_free */ |
649 | PL_perl_destruct_level = i; | |
36e77d41 | 650 | #endif |
5f05dabc | 651 | } |
4633a7c4 | 652 | } |
4633a7c4 | 653 | |
27da23d5 | 654 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
655 | dJMPENV; |
656 | int x = 0; | |
657 | ||
658 | JMPENV_PUSH(x); | |
1b6737cc | 659 | PERL_UNUSED_VAR(x); |
9ebf26ad | 660 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 661 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 662 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 663 | } |
f3faeb53 | 664 | JMPENV_POP; |
26f423df | 665 | } |
f3faeb53 | 666 | LEAVE; |
a0d0e21e | 667 | FREETMPS; |
3d22c4f0 | 668 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 669 | |
803bd7c9 DM |
670 | /* normally when we get here, PL_parser should be null due to having |
671 | * its original (null) value restored by SAVEt_PARSER during leaving | |
672 | * scope (usually before run-time starts in fact). | |
673 | * But if a thread is created within a BEGIN block, the parser is | |
674 | * duped, but the SAVEt_PARSER savestack entry isn't. So PL_parser | |
675 | * never gets cleaned up. | |
676 | * Clean it up here instead. This is a bit of a hack. | |
677 | */ | |
678 | if (PL_parser) { | |
679 | /* stop parser_free() stomping on PL_curcop */ | |
680 | PL_parser->saved_curcop = PL_curcop; | |
681 | parser_free(PL_parser); | |
682 | } | |
683 | ||
684 | ||
e00b64d4 | 685 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
686 | /* flush stdout separately, since we can identify it */ |
687 | #ifdef USE_PERLIO | |
688 | { | |
689 | PerlIO *stdo = PerlIO_stdout(); | |
690 | if (*stdo && PerlIO_flush(stdo)) { | |
691 | PerlIO_restore_errno(stdo); | |
675c73ca | 692 | if (errno) |
37537123 | 693 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s\n", |
675c73ca | 694 | Strerror(errno)); |
8abddda3 TC |
695 | if (!STATUS_UNIX) |
696 | STATUS_ALL_FAILURE; | |
697 | } | |
698 | } | |
699 | #endif | |
f13a2bc0 | 700 | my_fflush_all(); |
e00b64d4 | 701 | |
75d476e2 | 702 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
703 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
704 | { | |
705 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
706 | UV uv; | |
707 | ||
708 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
709 | || !(uv > 0)) | |
710 | goto no_trace_out; | |
711 | } | |
75d476e2 S |
712 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
713 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 | 714 | if (PL_op_exec_cnt[i]) |
147e3846 | 715 | PerlIO_printf(Perl_debug_log, " %s: %" UVuf "\n", PL_op_name[i], PL_op_exec_cnt[i]); |
75d476e2 S |
716 | } |
717 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
718 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
147e3846 | 719 | PerlIO_printf(Perl_debug_log, " SPECIAL: %" UVuf "\n", PL_op_exec_cnt[OP_max+1]); |
75d476e2 | 720 | PerlIO_printf(Perl_debug_log, "\n"); |
e71f25b3 | 721 | no_trace_out: |
75d476e2 S |
722 | #endif |
723 | ||
724 | ||
16c91539 | 725 | if (PL_threadhook(aTHX)) { |
62375a60 | 726 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 727 | PL_veto_cleanup = TRUE; |
37038d91 | 728 | return STATUS_EXIT; |
62375a60 NIS |
729 | } |
730 | ||
2aa47728 NC |
731 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
732 | if (destruct_level != 0) { | |
733 | /* Fork here to create a child. Our child's job is to preserve the | |
734 | state of scalars prior to destruction, so that we can instruct it | |
735 | to dump any scalars that we later find have leaked. | |
736 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
737 | fail gracefully */ | |
738 | int fd[2]; | |
739 | ||
49836294 | 740 | if(PerlSock_socketpair_cloexec(AF_UNIX, SOCK_STREAM, 0, fd)) { |
2aa47728 NC |
741 | perror("Debug leaking scalars socketpair failed"); |
742 | abort(); | |
743 | } | |
744 | ||
745 | child = fork(); | |
746 | if(child == -1) { | |
747 | perror("Debug leaking scalars fork failed"); | |
748 | abort(); | |
749 | } | |
750 | if (!child) { | |
751 | /* We are the child */ | |
3125a5a4 NC |
752 | const int sock = fd[1]; |
753 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
754 | int f; | |
808ad2d0 NC |
755 | const char *where; |
756 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 757 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 758 | |
2aa47728 | 759 | close(fd[0]); |
2aa47728 | 760 | |
3125a5a4 NC |
761 | /* We need to close all other file descriptors otherwise we end up |
762 | with interesting hangs, where the parent closes its end of a | |
763 | pipe, and sits waiting for (another) child to terminate. Only | |
764 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
765 | we also have the far end of the pipe open. We even need to |
766 | close the debugging fd, because sometimes it happens to be one | |
767 | end of a pipe, and a process is waiting on the other end for | |
768 | EOF. Normally it would be closed at some point earlier in | |
769 | destruction, but if we happen to cause the pipe to remain open, | |
770 | EOF never occurs, and we get an infinite hang. Hence all the | |
771 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
772 | |
773 | f = sysconf(_SC_OPEN_MAX); | |
774 | if(f < 0) { | |
808ad2d0 NC |
775 | where = "sysconf failed"; |
776 | goto abort; | |
3125a5a4 NC |
777 | } |
778 | while (f--) { | |
779 | if (f == sock) | |
780 | continue; | |
3125a5a4 NC |
781 | close(f); |
782 | } | |
783 | ||
2aa47728 NC |
784 | while (1) { |
785 | SV *target; | |
bf357333 NC |
786 | union control_un control; |
787 | struct msghdr msg; | |
788 | struct iovec vec[1]; | |
789 | struct cmsghdr *cmptr; | |
790 | ssize_t got; | |
791 | int got_fd; | |
792 | ||
793 | msg.msg_control = control.control; | |
794 | msg.msg_controllen = sizeof(control.control); | |
795 | /* We're a connected socket so we don't need a source */ | |
796 | msg.msg_name = NULL; | |
797 | msg.msg_namelen = 0; | |
798 | msg.msg_iov = vec; | |
c3caa5c3 | 799 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
800 | |
801 | vec[0].iov_base = (void*)⌖ | |
802 | vec[0].iov_len = sizeof(target); | |
803 | ||
804 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
805 | |
806 | if(got == 0) | |
807 | break; | |
808 | if(got < 0) { | |
808ad2d0 NC |
809 | where = "recv failed"; |
810 | goto abort; | |
2aa47728 NC |
811 | } |
812 | if(got < sizeof(target)) { | |
808ad2d0 NC |
813 | where = "short recv"; |
814 | goto abort; | |
2aa47728 | 815 | } |
bf357333 | 816 | |
808ad2d0 NC |
817 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
818 | where = "no cmsg"; | |
819 | goto abort; | |
820 | } | |
821 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
822 | where = "wrong cmsg_len"; | |
823 | goto abort; | |
824 | } | |
825 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
826 | where = "wrong cmsg_level"; | |
827 | goto abort; | |
828 | } | |
829 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
830 | where = "wrong cmsg_type"; | |
831 | goto abort; | |
832 | } | |
bf357333 NC |
833 | |
834 | got_fd = *(int*)CMSG_DATA(cmptr); | |
835 | /* For our last little bit of trickery, put the file descriptor | |
836 | back into Perl_debug_log, as if we never actually closed it | |
837 | */ | |
808ad2d0 | 838 | if(got_fd != debug_fd) { |
884fc2d3 | 839 | if (PerlLIO_dup2_cloexec(got_fd, debug_fd) == -1) { |
808ad2d0 NC |
840 | where = "dup2"; |
841 | goto abort; | |
842 | } | |
843 | } | |
2aa47728 | 844 | sv_dump(target); |
bf357333 | 845 | |
2aa47728 NC |
846 | PerlIO_flush(Perl_debug_log); |
847 | ||
808ad2d0 | 848 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
849 | |
850 | if(got < 0) { | |
808ad2d0 NC |
851 | where = "write failed"; |
852 | goto abort; | |
2aa47728 | 853 | } |
808ad2d0 NC |
854 | if(got < sizeof(success)) { |
855 | where = "short write"; | |
856 | goto abort; | |
2aa47728 NC |
857 | } |
858 | } | |
859 | _exit(0); | |
808ad2d0 NC |
860 | abort: |
861 | { | |
862 | int send_errno = errno; | |
863 | unsigned char length = (unsigned char) strlen(where); | |
864 | struct iovec failure[3] = { | |
865 | {(void*)&send_errno, sizeof(send_errno)}, | |
866 | {&length, 1}, | |
867 | {(void*)where, length} | |
868 | }; | |
869 | int got = writev(sock, failure, 3); | |
870 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
871 | in the parent if we try to read from the socketpair after the | |
872 | child has exited, even if there was data to read. | |
873 | So sleep a bit to give the parent a fighting chance of | |
874 | reading the data. */ | |
875 | sleep(2); | |
876 | _exit((got == -1) ? errno : 0); | |
877 | } | |
bf357333 | 878 | /* End of child. */ |
2aa47728 | 879 | } |
41e4abd8 | 880 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
881 | close(fd[1]); |
882 | } | |
883 | #endif | |
884 | ||
ff0cee69 | 885 | /* We must account for everything. */ |
886 | ||
887 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
888 | /* Set PL_curcop now, because destroying ops can cause new SVs |
889 | to be generated in Perl_pad_swipe, and when running with | |
890 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
891 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 892 | PL_curcop = &PL_compiling; |
3280af22 | 893 | if (PL_main_root) { |
4e380990 DM |
894 | /* ensure comppad/curpad to refer to main's pad */ |
895 | if (CvPADLIST(PL_main_cv)) { | |
896 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 897 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 898 | } |
3280af22 | 899 | op_free(PL_main_root); |
5f66b61c | 900 | PL_main_root = NULL; |
a0d0e21e | 901 | } |
5f66b61c | 902 | PL_main_start = NULL; |
aac9d523 DM |
903 | /* note that PL_main_cv isn't usually actually freed at this point, |
904 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
905 | * get freed once all the subs are freed in sv_clean_all(), for | |
906 | * destruct_level > 0 */ | |
3280af22 | 907 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 908 | PL_main_cv = NULL; |
ca7b837b | 909 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 910 | |
13621cfb NIS |
911 | /* Tell PerlIO we are about to tear things apart in case |
912 | we have layers which are using resources that should | |
913 | be cleaned up now. | |
914 | */ | |
915 | ||
916 | PerlIO_destruct(aTHX); | |
917 | ||
ddf23d4a S |
918 | /* |
919 | * Try to destruct global references. We do this first so that the | |
920 | * destructors and destructees still exist. Some sv's might remain. | |
921 | * Non-referenced objects are on their own. | |
922 | */ | |
923 | sv_clean_objs(); | |
8990e307 | 924 | |
5cd24f17 | 925 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 926 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 927 | PL_warnhook = NULL; |
3280af22 | 928 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 929 | PL_diehook = NULL; |
5cd24f17 | 930 | |
4b556e6c | 931 | /* call exit list functions */ |
3280af22 | 932 | while (PL_exitlistlen-- > 0) |
acfe0abc | 933 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 934 | |
3280af22 | 935 | Safefree(PL_exitlist); |
4b556e6c | 936 | |
1c4916e5 CB |
937 | PL_exitlist = NULL; |
938 | PL_exitlistlen = 0; | |
939 | ||
a3e6e81e NC |
940 | SvREFCNT_dec(PL_registered_mros); |
941 | ||
551a8b83 | 942 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
943 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
944 | * so we certainly shouldn't free it here | |
945 | */ | |
2f42fcb0 | 946 | #ifndef PERL_MICRO |
4b647fb0 | 947 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 948 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
949 | #ifdef USE_ITHREADS |
950 | /* only main thread can free environ[0] contents */ | |
951 | && PL_curinterp == aTHX | |
952 | #endif | |
953 | ) | |
954 | { | |
551a8b83 JH |
955 | I32 i; |
956 | ||
957 | for (i = 0; environ[i]; i++) | |
4b420006 | 958 | safesysfree(environ[i]); |
0631ea03 | 959 | |
4b420006 JH |
960 | /* Must use safesysfree() when working with environ. */ |
961 | safesysfree(environ); | |
551a8b83 JH |
962 | |
963 | environ = PL_origenviron; | |
964 | } | |
965 | #endif | |
2f42fcb0 | 966 | #endif /* !PERL_MICRO */ |
551a8b83 | 967 | |
30985c42 JH |
968 | if (destruct_level == 0) { |
969 | ||
970 | DEBUG_P(debprofdump()); | |
971 | ||
972 | #if defined(PERLIO_LAYERS) | |
973 | /* No more IO - including error messages ! */ | |
974 | PerlIO_cleanup(aTHX); | |
975 | #endif | |
976 | ||
977 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
978 | |
979 | /* The exit() function will do everything that needs doing. */ | |
980 | return STATUS_EXIT; | |
981 | } | |
982 | ||
9fa9f06b KW |
983 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
984 | ||
5f8cb046 DM |
985 | #ifdef USE_ITHREADS |
986 | /* the syntax tree is shared between clones | |
987 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
988 | * REGEXPs in the parent interpreter | |
989 | * we need to manually ReREFCNT_dec for the clones | |
990 | */ | |
0547a729 DM |
991 | { |
992 | I32 i = AvFILLp(PL_regex_padav); | |
993 | SV **ary = AvARRAY(PL_regex_padav); | |
994 | ||
995 | for (; i; i--) { | |
996 | SvREFCNT_dec(ary[i]); | |
997 | ary[i] = &PL_sv_undef; | |
998 | } | |
999 | } | |
5f8cb046 DM |
1000 | #endif |
1001 | ||
0547a729 | 1002 | |
ad64d0ec | 1003 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
1004 | PL_stashcache = NULL; |
1005 | ||
5f05dabc | 1006 | /* loosen bonds of global variables */ |
1007 | ||
2f9285f8 DM |
1008 | /* XXX can PL_parser still be non-null here? */ |
1009 | if(PL_parser && PL_parser->rsfp) { | |
1010 | (void)PerlIO_close(PL_parser->rsfp); | |
1011 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 1012 | } |
1013 | ||
84386e14 RGS |
1014 | if (PL_minus_F) { |
1015 | Safefree(PL_splitstr); | |
1016 | PL_splitstr = NULL; | |
1017 | } | |
1018 | ||
8ebc5c01 | 1019 | /* switches */ |
3280af22 NIS |
1020 | PL_minus_n = FALSE; |
1021 | PL_minus_p = FALSE; | |
1022 | PL_minus_l = FALSE; | |
1023 | PL_minus_a = FALSE; | |
1024 | PL_minus_F = FALSE; | |
1025 | PL_doswitches = FALSE; | |
599cee73 | 1026 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 1027 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 1028 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 1029 | #endif |
3280af22 NIS |
1030 | PL_unsafe = FALSE; |
1031 | ||
1032 | Safefree(PL_inplace); | |
bd61b366 | 1033 | PL_inplace = NULL; |
a7cb1f99 | 1034 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
1035 | |
1036 | if (PL_e_script) { | |
1037 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 1038 | PL_e_script = NULL; |
8ebc5c01 | 1039 | } |
1040 | ||
bf9cdc68 RG |
1041 | PL_perldb = 0; |
1042 | ||
8ebc5c01 | 1043 | /* magical thingies */ |
1044 | ||
e23d9e2f CS |
1045 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
1046 | PL_ofsgv = NULL; | |
5f05dabc | 1047 | |
7889fe52 | 1048 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 1049 | PL_ors_sv = NULL; |
8ebc5c01 | 1050 | |
3280af22 | 1051 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 1052 | PL_rs = NULL; |
dc92893f | 1053 | |
d33b2eba | 1054 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 1055 | PL_osname = NULL; |
5f05dabc | 1056 | |
3280af22 | 1057 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
1058 | PL_statname = NULL; |
1059 | PL_statgv = NULL; | |
5f05dabc | 1060 | |
8ebc5c01 | 1061 | /* defgv, aka *_ should be taken care of elsewhere */ |
1062 | ||
7d5ea4e7 GS |
1063 | /* float buffer */ |
1064 | Safefree(PL_efloatbuf); | |
bd61b366 | 1065 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
1066 | PL_efloatsize = 0; |
1067 | ||
8ebc5c01 | 1068 | /* startup and shutdown function lists */ |
3280af22 | 1069 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 1070 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 1071 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1072 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1073 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1074 | SvREFCNT_dec(PL_unitcheckav); |
1075 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1076 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1077 | PL_beginav = NULL; |
1078 | PL_beginav_save = NULL; | |
1079 | PL_endav = NULL; | |
1080 | PL_checkav = NULL; | |
1081 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1082 | PL_unitcheckav = NULL; |
1083 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1084 | PL_initav = NULL; |
5618dfe8 | 1085 | |
8ebc5c01 | 1086 | /* shortcuts just get cleared */ |
a0714e2c SS |
1087 | PL_hintgv = NULL; |
1088 | PL_errgv = NULL; | |
a0714e2c SS |
1089 | PL_argvoutgv = NULL; |
1090 | PL_stdingv = NULL; | |
1091 | PL_stderrgv = NULL; | |
1092 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1093 | PL_DBsingle = NULL; |
1094 | PL_DBtrace = NULL; | |
1095 | PL_DBsignal = NULL; | |
a6d69523 TC |
1096 | PL_DBsingle_iv = 0; |
1097 | PL_DBtrace_iv = 0; | |
1098 | PL_DBsignal_iv = 0; | |
601f1833 | 1099 | PL_DBcv = NULL; |
7d49f689 | 1100 | PL_dbargs = NULL; |
5c284bb0 | 1101 | PL_debstash = NULL; |
8ebc5c01 | 1102 | |
cf93a474 | 1103 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1104 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1105 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1106 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1107 | SvREFCNT_dec(PL_DBgv); |
1108 | SvREFCNT_dec(PL_DBline); | |
1109 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1110 | PL_envgv = NULL; |
f03015cd | 1111 | PL_incgv = NULL; |
722fa0e9 | 1112 | PL_argvgv = NULL; |
475b1e90 | 1113 | PL_replgv = NULL; |
8cece913 FC |
1114 | PL_DBgv = NULL; |
1115 | PL_DBline = NULL; | |
1116 | PL_DBsub = NULL; | |
1117 | ||
7a1c5554 | 1118 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1119 | PL_argvout_stack = NULL; |
8ebc5c01 | 1120 | |
5c831c24 | 1121 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1122 | PL_modglobal = NULL; |
5c831c24 | 1123 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1124 | PL_preambleav = NULL; |
5c831c24 | 1125 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1126 | PL_subname = NULL; |
ca0c25f6 | 1127 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1128 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1129 | PL_pidstatus = NULL; |
ca0c25f6 | 1130 | #endif |
5c831c24 | 1131 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1132 | PL_toptarget = NULL; |
5c831c24 | 1133 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1134 | PL_bodytarget = NULL; |
1135 | PL_formtarget = NULL; | |
5c831c24 | 1136 | |
d33b2eba | 1137 | /* free locale stuff */ |
b9582b6a | 1138 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1139 | Safefree(PL_collation_name); |
bd61b366 | 1140 | PL_collation_name = NULL; |
b9582b6a | 1141 | #endif |
e9bc6d6b KW |
1142 | #if defined(USE_POSIX_2008_LOCALE) \ |
1143 | && defined(USE_THREAD_SAFE_LOCALE) \ | |
1144 | && ! defined(HAS_QUERYLOCALE) | |
1145 | for (i = 0; i < (int) C_ARRAY_LENGTH(PL_curlocales); i++) { | |
1146 | Safefree(PL_curlocales[i]); | |
1147 | PL_curlocales[i] = NULL; | |
1148 | } | |
1149 | #endif | |
9fe4122e KW |
1150 | #ifdef HAS_POSIX_2008_LOCALE |
1151 | { | |
1152 | /* This also makes sure we aren't using a locale object that gets freed | |
1153 | * below */ | |
1154 | const locale_t old_locale = uselocale(LC_GLOBAL_LOCALE); | |
e72200e7 KW |
1155 | if ( old_locale != LC_GLOBAL_LOCALE |
1156 | # ifdef USE_POSIX_2008_LOCALE | |
1157 | && old_locale != PL_C_locale_obj | |
1158 | # endif | |
1159 | ) { | |
19ee3daf KW |
1160 | DEBUG_Lv(PerlIO_printf(Perl_debug_log, |
1161 | "%s:%d: Freeing %p\n", __FILE__, __LINE__, old_locale)); | |
9fe4122e KW |
1162 | freelocale(old_locale); |
1163 | } | |
1164 | } | |
1165 | # ifdef USE_LOCALE_NUMERIC | |
e1aa2579 | 1166 | if (PL_underlying_numeric_obj) { |
19ee3daf KW |
1167 | DEBUG_Lv(PerlIO_printf(Perl_debug_log, |
1168 | "%s:%d: Freeing %p\n", __FILE__, __LINE__, | |
1169 | PL_underlying_numeric_obj)); | |
e1aa2579 KW |
1170 | freelocale(PL_underlying_numeric_obj); |
1171 | PL_underlying_numeric_obj = (locale_t) NULL; | |
1172 | } | |
e1aa2579 | 1173 | # endif |
9fe4122e KW |
1174 | #endif |
1175 | #ifdef USE_LOCALE_NUMERIC | |
1176 | Safefree(PL_numeric_name); | |
1177 | PL_numeric_name = NULL; | |
1178 | SvREFCNT_dec(PL_numeric_radix_sv); | |
1179 | PL_numeric_radix_sv = NULL; | |
e1aa2579 KW |
1180 | #endif |
1181 | ||
9aac5db8 KW |
1182 | if (PL_setlocale_buf) { |
1183 | Safefree(PL_setlocale_buf); | |
1184 | PL_setlocale_buf = NULL; | |
1185 | } | |
1186 | ||
7e5377f7 KW |
1187 | if (PL_langinfo_buf) { |
1188 | Safefree(PL_langinfo_buf); | |
1189 | PL_langinfo_buf = NULL; | |
1190 | } | |
1191 | ||
5b7de470 | 1192 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1193 | SvREFCNT_dec(PL_warn_locale); |
780fcc9f | 1194 | PL_warn_locale = NULL; |
5b7de470 | 1195 | #endif |
5c831c24 | 1196 | |
971a9dd3 | 1197 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1198 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1199 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1200 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1201 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1202 | CopFILE_free(&PL_compiling); |
5c831c24 | 1203 | |
a0d0e21e | 1204 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1205 | |
3280af22 | 1206 | hv = PL_defstash; |
ca556bcd | 1207 | /* break ref loop *:: <=> %:: */ |
854da30f | 1208 | (void)hv_deletes(hv, "main::", G_DISCARD); |
3280af22 | 1209 | PL_defstash = 0; |
a0d0e21e | 1210 | SvREFCNT_dec(hv); |
5c831c24 | 1211 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1212 | PL_curstname = NULL; |
a0d0e21e | 1213 | |
5a844595 GS |
1214 | /* clear queued errors */ |
1215 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1216 | PL_errors = NULL; |
5a844595 | 1217 | |
dd69841b BB |
1218 | SvREFCNT_dec(PL_isarev); |
1219 | ||
a0d0e21e | 1220 | FREETMPS; |
9b387841 | 1221 | if (destruct_level >= 2) { |
3280af22 | 1222 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1223 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1224 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1225 | (long)PL_scopestack_ix); | |
3280af22 | 1226 | if (PL_savestack_ix != 0) |
9b387841 NC |
1227 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1228 | "Unbalanced saves: %ld more saves than restores\n", | |
1229 | (long)PL_savestack_ix); | |
3280af22 | 1230 | if (PL_tmps_floor != -1) |
9b387841 NC |
1231 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1232 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1233 | if (cxstack_ix != -1) |
9b387841 NC |
1234 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1235 | (long)cxstack_ix + 1); | |
a0d0e21e | 1236 | } |
8990e307 | 1237 | |
0547a729 DM |
1238 | #ifdef USE_ITHREADS |
1239 | SvREFCNT_dec(PL_regex_padav); | |
1240 | PL_regex_padav = NULL; | |
1241 | PL_regex_pad = NULL; | |
1242 | #endif | |
1243 | ||
776df701 | 1244 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1245 | /* the entries in this list are allocated via SV PVX's, so get freed |
1246 | * in sv_clean_all */ | |
1247 | Safefree(PL_my_cxt_list); | |
776df701 | 1248 | #endif |
57bb2458 | 1249 | |
8990e307 | 1250 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1251 | |
1252 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1253 | while (sv_clean_all() > 2) |
5226ed68 JH |
1254 | ; |
1255 | ||
23083432 FC |
1256 | #ifdef USE_ITHREADS |
1257 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1258 | #endif | |
1259 | ||
d4777f27 GS |
1260 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1261 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1262 | PL_fdpid = NULL; |
d33b2eba | 1263 | |
6c644e78 GS |
1264 | #ifdef HAVE_INTERP_INTERN |
1265 | sys_intern_clear(); | |
1266 | #endif | |
1267 | ||
a38ab475 RZ |
1268 | /* constant strings */ |
1269 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1270 | SvREFCNT_dec(PL_sv_consts[i]); | |
1271 | PL_sv_consts[i] = NULL; | |
1272 | } | |
1273 | ||
6e72f9df | 1274 | /* Destruct the global string table. */ |
1275 | { | |
1276 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1277 | * so that sv_free() won't fail on them. | |
80459961 NC |
1278 | * Now that the global string table is using a single hunk of memory |
1279 | * for both HE and HEK, we either need to explicitly unshare it the | |
1280 | * correct way, or actually free things here. | |
6e72f9df | 1281 | */ |
80459961 NC |
1282 | I32 riter = 0; |
1283 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1284 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1285 | HE *hent = array[0]; |
1286 | ||
6e72f9df | 1287 | for (;;) { |
0453d815 | 1288 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1289 | HE * const next = HeNEXT(hent); |
9014280d | 1290 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1291 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1292 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1293 | Safefree(hent); |
1294 | hent = next; | |
6e72f9df | 1295 | } |
1296 | if (!hent) { | |
1297 | if (++riter > max) | |
1298 | break; | |
1299 | hent = array[riter]; | |
1300 | } | |
1301 | } | |
80459961 NC |
1302 | |
1303 | Safefree(array); | |
1304 | HvARRAY(PL_strtab) = 0; | |
1305 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1306 | } |
3280af22 | 1307 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1308 | |
e652bb2f | 1309 | #ifdef USE_ITHREADS |
c21d1a0f | 1310 | /* free the pointer tables used for cloning */ |
a0739874 | 1311 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1312 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1313 | #endif |
a0739874 | 1314 | |
d33b2eba GS |
1315 | /* free special SVs */ |
1316 | ||
1317 | SvREFCNT(&PL_sv_yes) = 0; | |
1318 | sv_clear(&PL_sv_yes); | |
1319 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1320 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1321 | |
1322 | SvREFCNT(&PL_sv_no) = 0; | |
1323 | sv_clear(&PL_sv_no); | |
1324 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1325 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1326 | |
5a6c2837 DM |
1327 | SvREFCNT(&PL_sv_zero) = 0; |
1328 | sv_clear(&PL_sv_zero); | |
1329 | SvANY(&PL_sv_zero) = NULL; | |
1330 | SvFLAGS(&PL_sv_zero) = 0; | |
1331 | ||
9f375a43 DM |
1332 | { |
1333 | int i; | |
1334 | for (i=0; i<=2; i++) { | |
1335 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1336 | sv_clear(PERL_DEBUG_PAD(i)); | |
1337 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1338 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1339 | } | |
1340 | } | |
1341 | ||
0453d815 | 1342 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1343 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1344 | |
eba0f806 DM |
1345 | #ifdef DEBUG_LEAKING_SCALARS |
1346 | if (PL_sv_count != 0) { | |
1347 | SV* sva; | |
1348 | SV* sv; | |
eb578fdb | 1349 | SV* svend; |
eba0f806 | 1350 | |
ad64d0ec | 1351 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1352 | svend = &sva[SvREFCNT(sva)]; |
1353 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1354 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1355 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
72ba98d5 KW |
1356 | " flags=0x%" UVxf |
1357 | " refcnt=%" UVuf pTHX__FORMAT "\n" | |
147e3846 KW |
1358 | "\tallocated at %s:%d %s %s (parent 0x%" UVxf ");" |
1359 | "serial %" UVuf "\n", | |
574b8821 NC |
1360 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1361 | pTHX__VALUE, | |
fd0854ff DM |
1362 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1363 | sv->sv_debug_line, | |
1364 | sv->sv_debug_inpad ? "for" : "by", | |
1365 | sv->sv_debug_optype ? | |
1366 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1367 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1368 | sv->sv_debug_serial |
fd0854ff | 1369 | ); |
2aa47728 | 1370 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1371 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1372 | #endif |
eba0f806 DM |
1373 | } |
1374 | } | |
1375 | } | |
1376 | } | |
2aa47728 NC |
1377 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1378 | { | |
1379 | int status; | |
1380 | fd_set rset; | |
1381 | /* Wait for up to 4 seconds for child to terminate. | |
1382 | This seems to be the least effort way of timing out on reaping | |
1383 | its exit status. */ | |
1384 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1385 | int sock = PL_dumper_fd; |
2aa47728 NC |
1386 | |
1387 | shutdown(sock, 1); | |
1388 | FD_ZERO(&rset); | |
1389 | FD_SET(sock, &rset); | |
1390 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1391 | waitpid(child, &status, WNOHANG); | |
1392 | close(sock); | |
1393 | } | |
1394 | #endif | |
eba0f806 | 1395 | #endif |
77abb4c6 NC |
1396 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1397 | if (PL_sv_count) | |
1398 | abort(); | |
1399 | #endif | |
bf9cdc68 | 1400 | PL_sv_count = 0; |
eba0f806 | 1401 | |
56a2bab7 | 1402 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1403 | /* No more IO - including error messages ! */ |
1404 | PerlIO_cleanup(aTHX); | |
1405 | #endif | |
1406 | ||
9f4bd222 | 1407 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1408 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1409 | for no arg - and will try and SvREFCNT_dec it. |
1410 | */ | |
1411 | SvREFCNT(&PL_sv_undef) = 0; | |
1412 | SvREADONLY_off(&PL_sv_undef); | |
1413 | ||
3280af22 | 1414 | Safefree(PL_origfilename); |
bd61b366 | 1415 | PL_origfilename = NULL; |
43c5f42d | 1416 | Safefree(PL_reg_curpm); |
dd28f7bb | 1417 | free_tied_hv_pool(); |
3280af22 | 1418 | Safefree(PL_op_mask); |
cf36064f | 1419 | Safefree(PL_psig_name); |
bf9cdc68 | 1420 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1421 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1422 | { |
1423 | /* We need to NULL PL_psig_pend first, so that | |
1424 | signal handlers know not to use it */ | |
1425 | int *psig_save = PL_psig_pend; | |
1426 | PL_psig_pend = (int*)NULL; | |
1427 | Safefree(psig_save); | |
1428 | } | |
6e72f9df | 1429 | nuke_stacks(); |
284167a5 S |
1430 | TAINTING_set(FALSE); |
1431 | TAINT_WARN_set(FALSE); | |
3280af22 | 1432 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1433 | |
a0d0e21e | 1434 | DEBUG_P(debprofdump()); |
d33b2eba | 1435 | |
b173165c FC |
1436 | PL_debug = 0; |
1437 | ||
e5dd39fc | 1438 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1439 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1440 | #endif |
1441 | ||
a24da70b NC |
1442 | /* These all point to HVs that are about to be blown away. |
1443 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1444 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1445 | PL_custom_op_names = NULL; | |
1446 | PL_custom_op_descs = NULL; | |
1447 | PL_custom_ops = NULL; | |
1448 | ||
612f20c3 GS |
1449 | sv_free_arenas(); |
1450 | ||
5d9a96ca DM |
1451 | while (PL_regmatch_slab) { |
1452 | regmatch_slab *s = PL_regmatch_slab; | |
1453 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1454 | Safefree(s); | |
1455 | } | |
1456 | ||
fc36a67e | 1457 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1458 | ||
3280af22 | 1459 | if (PL_mess_sv) { |
f350b448 NC |
1460 | /* we know that type == SVt_PVMG */ |
1461 | ||
9c63abab | 1462 | /* it could have accumulated taint magic */ |
f350b448 NC |
1463 | MAGIC* mg; |
1464 | MAGIC* moremagic; | |
1465 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1466 | moremagic = mg->mg_moremagic; | |
1467 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1468 | && mg->mg_len >= 0) | |
1469 | Safefree(mg->mg_ptr); | |
1470 | Safefree(mg); | |
9c63abab | 1471 | } |
f350b448 | 1472 | |
fc36a67e | 1473 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1474 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1475 | Safefree(SvANY(PL_mess_sv)); |
1476 | Safefree(PL_mess_sv); | |
a0714e2c | 1477 | PL_mess_sv = NULL; |
fc36a67e | 1478 | } |
37038d91 | 1479 | return STATUS_EXIT; |
79072805 LW |
1480 | } |
1481 | ||
954c1994 GS |
1482 | /* |
1483 | =for apidoc perl_free | |
1484 | ||
1485 | Releases a Perl interpreter. See L<perlembed>. | |
1486 | ||
1487 | =cut | |
1488 | */ | |
1489 | ||
79072805 | 1490 | void |
0cb96387 | 1491 | perl_free(pTHXx) |
79072805 | 1492 | { |
5174512c NC |
1493 | dVAR; |
1494 | ||
7918f24d NC |
1495 | PERL_ARGS_ASSERT_PERL_FREE; |
1496 | ||
c301d606 DM |
1497 | if (PL_veto_cleanup) |
1498 | return; | |
1499 | ||
7cb608b5 | 1500 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1501 | { |
1502 | /* | |
1503 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1504 | * value as we're probably hunting memory leaks then | |
1505 | */ | |
36e77d41 | 1506 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1507 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1508 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1509 | thread at thread exit. */ | |
4fd0a9b8 NC |
1510 | if (DEBUG_m_TEST) { |
1511 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1512 | "free this thread's memory\n"); | |
1513 | PL_debug &= ~ DEBUG_m_FLAG; | |
1514 | } | |
6edcbed6 DD |
1515 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1516 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1517 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1518 | safesysfree(ptr); | |
1519 | } | |
4fd0a9b8 | 1520 | PL_debug = old_debug; |
55ef9aae MHM |
1521 | } |
1522 | } | |
7cb608b5 NC |
1523 | #endif |
1524 | ||
acfe0abc | 1525 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1526 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1527 | { |
acfe0abc | 1528 | # ifdef NETWARE |
7af12a34 | 1529 | void *host = nw_internal_host; |
7af12a34 | 1530 | PerlMem_free(aTHXx); |
7af12a34 | 1531 | nw_delete_internal_host(host); |
acfe0abc | 1532 | # else |
bdb50480 NC |
1533 | void *host = w32_internal_host; |
1534 | PerlMem_free(aTHXx); | |
7af12a34 | 1535 | win32_delete_internal_host(host); |
acfe0abc | 1536 | # endif |
7af12a34 | 1537 | } |
1c0ca838 GS |
1538 | # else |
1539 | PerlMem_free(aTHXx); | |
1540 | # endif | |
acfe0abc GS |
1541 | #else |
1542 | PerlMem_free(aTHXx); | |
76e3520e | 1543 | #endif |
79072805 LW |
1544 | } |
1545 | ||
b7f7fff6 | 1546 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1547 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1548 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1549 | ||
826955bd | 1550 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1551 | #pragma fini "perl_fini" |
666ad1ec GA |
1552 | #elif defined(__sun) && !defined(__GNUC__) |
1553 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1554 | #endif |
1555 | ||
0dbb1585 AL |
1556 | static void |
1557 | #if defined(__GNUC__) | |
1558 | __attribute__((destructor)) | |
aebd1ac7 | 1559 | #endif |
de009b76 | 1560 | perl_fini(void) |
aebd1ac7 | 1561 | { |
27da23d5 | 1562 | dVAR; |
5c64bffd NC |
1563 | if ( |
1564 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1565 | my_vars && | |
1566 | #endif | |
1567 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1568 | FREE_THREAD_KEY; |
1569 | } | |
1570 | ||
1571 | #endif /* WIN32 */ | |
1572 | #endif /* THREADS */ | |
1573 | ||
4b556e6c | 1574 | void |
864dbfa3 | 1575 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1576 | { |
3280af22 NIS |
1577 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1578 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1579 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1580 | ++PL_exitlistlen; | |
4b556e6c JD |
1581 | } |
1582 | ||
954c1994 | 1583 | /* |
44170c9a | 1584 | =for apidoc perl_parse |
0301e899 Z |
1585 | |
1586 | Tells a Perl interpreter to parse a Perl script. This performs most | |
1587 | of the initialisation of a Perl interpreter. See L<perlembed> for | |
1588 | a tutorial. | |
1589 | ||
1590 | C<my_perl> points to the Perl interpreter that is to parse the script. | |
1591 | It must have been previously created through the use of L</perl_alloc> | |
1592 | and L</perl_construct>. C<xsinit> points to a callback function that | |
1593 | will be called to set up the ability for this Perl interpreter to load | |
1594 | XS extensions, or may be null to perform no such setup. | |
1595 | ||
1596 | C<argc> and C<argv> supply a set of command-line arguments to the Perl | |
1597 | interpreter, as would normally be passed to the C<main> function of | |
1598 | a C program. C<argv[argc]> must be null. These arguments are where | |
1599 | the script to parse is specified, either by naming a script file or by | |
1600 | providing a script in a C<-e> option. | |
a3e261d5 Z |
1601 | If L<C<$0>|perlvar/$0> will be written to in the Perl interpreter, then |
1602 | the argument strings must be in writable memory, and so mustn't just be | |
1603 | string constants. | |
0301e899 Z |
1604 | |
1605 | C<env> specifies a set of environment variables that will be used by | |
1606 | this Perl interpreter. If non-null, it must point to a null-terminated | |
1607 | array of environment strings. If null, the Perl interpreter will use | |
1608 | the environment supplied by the C<environ> global variable. | |
1609 | ||
1610 | This function initialises the interpreter, and parses and compiles the | |
1611 | script specified by the command-line arguments. This includes executing | |
1612 | code in C<BEGIN>, C<UNITCHECK>, and C<CHECK> blocks. It does not execute | |
1613 | C<INIT> blocks or the main program. | |
1614 | ||
1615 | Returns an integer of slightly tricky interpretation. The correct | |
1616 | use of the return value is as a truth value indicating whether there | |
1617 | was a failure in initialisation. If zero is returned, this indicates | |
1618 | that initialisation was successful, and it is safe to proceed to call | |
1619 | L</perl_run> and make other use of it. If a non-zero value is returned, | |
1620 | this indicates some problem that means the interpreter wants to terminate. | |
1621 | The interpreter should not be just abandoned upon such failure; the caller | |
1622 | should proceed to shut the interpreter down cleanly with L</perl_destruct> | |
1623 | and free it with L</perl_free>. | |
1624 | ||
1625 | For historical reasons, the non-zero return value also attempts to | |
1626 | be a suitable value to pass to the C library function C<exit> (or to | |
1627 | return from C<main>), to serve as an exit code indicating the nature | |
1628 | of the way initialisation terminated. However, this isn't portable, | |
625e8b0b TC |
1629 | due to differing exit code conventions. A historical bug is preserved |
1630 | for the time being: if the Perl built-in C<exit> is called during this | |
1631 | function's execution, with a type of exit entailing a zero exit code | |
1632 | under the host operating system's conventions, then this function | |
1633 | returns zero rather than a non-zero value. This bug, [perl #2754], | |
1634 | leads to C<perl_run> being called (and therefore C<INIT> blocks and the | |
1635 | main program running) despite a call to C<exit>. It has been preserved | |
1636 | because a popular module-installing module has come to rely on it and | |
1637 | needs time to be fixed. This issue is [perl #132577], and the original | |
1638 | bug is due to be fixed in Perl 5.30. | |
0301e899 | 1639 | |
954c1994 GS |
1640 | =cut |
1641 | */ | |
1642 | ||
03d9f026 FC |
1643 | #define SET_CURSTASH(newstash) \ |
1644 | if (PL_curstash != newstash) { \ | |
1645 | SvREFCNT_dec(PL_curstash); \ | |
1646 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1647 | } | |
1648 | ||
79072805 | 1649 | int |
0cb96387 | 1650 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1651 | { |
27da23d5 | 1652 | dVAR; |
6224f72b | 1653 | I32 oldscope; |
6224f72b | 1654 | int ret; |
db36c5a1 | 1655 | dJMPENV; |
8d063cd8 | 1656 | |
7918f24d NC |
1657 | PERL_ARGS_ASSERT_PERL_PARSE; |
1658 | #ifndef MULTIPLICITY | |
ed6c66dd | 1659 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1660 | #endif |
1a237f4f | 1661 | #if (defined(USE_HASH_SEED) || defined(USE_HASH_SEED_DEBUG)) && !defined(NO_PERL_HASH_SEED_DEBUG) |
b0891165 | 1662 | { |
7dc86639 YO |
1663 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1664 | ||
22ff3130 | 1665 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1666 | const unsigned char *seed= PERL_HASH_SEED; |
1667 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1668 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1669 | while (seed < seed_end) { | |
1670 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1671 | } | |
6a5b4183 YO |
1672 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1673 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1674 | PL_HASH_RAND_BITS_ENABLED, | |
1675 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1676 | #endif | |
7dc86639 YO |
1677 | PerlIO_printf(Perl_debug_log, "\n"); |
1678 | } | |
b0891165 | 1679 | } |
1a237f4f | 1680 | #endif /* #if (defined(USE_HASH_SEED) ... */ |
43238333 | 1681 | |
ea34f6bd | 1682 | #ifdef __amigaos4__ |
43238333 AB |
1683 | { |
1684 | struct NameTranslationInfo nti; | |
1685 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1686 | } | |
1687 | #endif | |
1688 | ||
cc85e83f Z |
1689 | { |
1690 | int i; | |
1691 | assert(argc >= 0); | |
1692 | for(i = 0; i != argc; i++) | |
1693 | assert(argv[i]); | |
1694 | assert(!argv[argc]); | |
1695 | } | |
3280af22 | 1696 | PL_origargc = argc; |
e2975953 | 1697 | PL_origargv = argv; |
a0d0e21e | 1698 | |
a2722ac9 GA |
1699 | if (PL_origalen != 0) { |
1700 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1701 | } | |
1702 | else { | |
3cb9023d JH |
1703 | /* Set PL_origalen be the sum of the contiguous argv[] |
1704 | * elements plus the size of the env in case that it is | |
e9137a8e | 1705 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1706 | * as the maximum modifiable length of $0. In the worst case |
1707 | * the area we are able to modify is limited to the size of | |
43c32782 | 1708 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1709 | * --jhi */ |
e1ec3a88 | 1710 | const char *s = NULL; |
b7249aaf | 1711 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1712 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1713 | const UV aligned = |
43c32782 JH |
1714 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1715 | ||
1716 | /* See if all the arguments are contiguous in memory. Note | |
1717 | * that 'contiguous' is a loose term because some platforms | |
1718 | * align the argv[] and the envp[]. If the arguments look | |
1719 | * like non-aligned, assume that they are 'strictly' or | |
1720 | * 'traditionally' contiguous. If the arguments look like | |
1721 | * aligned, we just check that they are within aligned | |
1722 | * PTRSIZE bytes. As long as no system has something bizarre | |
1723 | * like the argv[] interleaved with some other data, we are | |
1724 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb | 1725 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
19742f39 | 1726 | int i; |
c8941eeb JH |
1727 | while (*s) s++; |
1728 | for (i = 1; i < PL_origargc; i++) { | |
1729 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1730 | #ifdef OS2 |
c8941eeb | 1731 | || PL_origargv[i] == s + 2 |
43c32782 | 1732 | #endif |
c8941eeb JH |
1733 | ) |
1734 | || | |
1735 | (aligned && | |
1736 | (PL_origargv[i] > s && | |
1737 | PL_origargv[i] <= | |
1738 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1739 | ) | |
1740 | { | |
1741 | s = PL_origargv[i]; | |
1742 | while (*s) s++; | |
1743 | } | |
1744 | else | |
1745 | break; | |
54bfe034 | 1746 | } |
54bfe034 | 1747 | } |
a4a109c2 JD |
1748 | |
1749 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1750 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1751 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1752 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1753 | || |
1754 | (aligned && | |
1755 | (PL_origenviron[0] > s && | |
1756 | PL_origenviron[0] <= | |
1757 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1758 | ) | |
1759 | { | |
19742f39 | 1760 | int i; |
9d419b5f | 1761 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1762 | s = PL_origenviron[0]; |
1763 | while (*s) s++; | |
1764 | #endif | |
bd61b366 | 1765 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1766 | /* Force copy of environment. */ |
1767 | for (i = 1; PL_origenviron[i]; i++) { | |
1768 | if (PL_origenviron[i] == s + 1 | |
1769 | || | |
1770 | (aligned && | |
1771 | (PL_origenviron[i] > s && | |
1772 | PL_origenviron[i] <= | |
1773 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1774 | ) | |
1775 | { | |
1776 | s = PL_origenviron[i]; | |
1777 | while (*s) s++; | |
1778 | } | |
1779 | else | |
1780 | break; | |
54bfe034 | 1781 | } |
43c32782 | 1782 | } |
54bfe034 | 1783 | } |
a4a109c2 JD |
1784 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1785 | ||
2d2af554 | 1786 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1787 | } |
1788 | ||
3280af22 | 1789 | if (PL_do_undump) { |
a0d0e21e LW |
1790 | |
1791 | /* Come here if running an undumped a.out. */ | |
1792 | ||
3280af22 NIS |
1793 | PL_origfilename = savepv(argv[0]); |
1794 | PL_do_undump = FALSE; | |
a0d0e21e | 1795 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1796 | init_ids(); |
284167a5 | 1797 | assert (!TAINT_get); |
b7975bdd | 1798 | TAINT; |
e2051532 | 1799 | set_caret_X(); |
b7975bdd | 1800 | TAINT_NOT; |
a0d0e21e LW |
1801 | init_postdump_symbols(argc,argv,env); |
1802 | return 0; | |
1803 | } | |
1804 | ||
3280af22 | 1805 | if (PL_main_root) { |
3280af22 | 1806 | op_free(PL_main_root); |
5f66b61c | 1807 | PL_main_root = NULL; |
ff0cee69 | 1808 | } |
5f66b61c | 1809 | PL_main_start = NULL; |
3280af22 | 1810 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1811 | PL_main_cv = NULL; |
79072805 | 1812 | |
3280af22 NIS |
1813 | time(&PL_basetime); |
1814 | oldscope = PL_scopestack_ix; | |
599cee73 | 1815 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1816 | |
14dd3ad8 | 1817 | JMPENV_PUSH(ret); |
6224f72b | 1818 | switch (ret) { |
312caa8e | 1819 | case 0: |
14dd3ad8 | 1820 | parse_body(env,xsinit); |
9ebf26ad | 1821 | if (PL_unitcheckav) { |
3c10abe3 | 1822 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1823 | } |
1824 | if (PL_checkav) { | |
ca7b837b | 1825 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1826 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1827 | } |
14dd3ad8 GS |
1828 | ret = 0; |
1829 | break; | |
6224f72b GS |
1830 | case 1: |
1831 | STATUS_ALL_FAILURE; | |
924ba076 | 1832 | /* FALLTHROUGH */ |
6224f72b GS |
1833 | case 2: |
1834 | /* my_exit() was called */ | |
3280af22 | 1835 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1836 | LEAVE; |
1837 | FREETMPS; | |
03d9f026 | 1838 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1839 | if (PL_unitcheckav) { |
3c10abe3 | 1840 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1841 | } |
1842 | if (PL_checkav) { | |
ca7b837b | 1843 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1844 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1845 | } |
37038d91 | 1846 | ret = STATUS_EXIT; |
625e8b0b TC |
1847 | if (ret == 0) { |
1848 | /* | |
1849 | * At this point we should do | |
1850 | * ret = 0x100; | |
1851 | * to avoid [perl #2754], but that bugfix has been postponed | |
1852 | * because of the Module::Install breakage it causes | |
1853 | * [perl #132577]. | |
1854 | */ | |
1855 | } | |
14dd3ad8 | 1856 | break; |
6224f72b | 1857 | case 3: |
bf49b057 | 1858 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1859 | ret = 1; |
1860 | break; | |
6224f72b | 1861 | } |
14dd3ad8 GS |
1862 | JMPENV_POP; |
1863 | return ret; | |
1864 | } | |
1865 | ||
4a5df386 NC |
1866 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1867 | miniperl, and we need to see those flags reflected in the values here. */ | |
1868 | ||
1869 | /* What this returns is subject to change. Use the public interface in Config. | |
1870 | */ | |
1871 | static void | |
1872 | S_Internals_V(pTHX_ CV *cv) | |
1873 | { | |
1874 | dXSARGS; | |
1875 | #ifdef LOCAL_PATCH_COUNT | |
1876 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1877 | #else | |
1878 | const int local_patch_count = 0; | |
1879 | #endif | |
2dc296d2 | 1880 | const int entries = 3 + local_patch_count; |
4a5df386 | 1881 | int i; |
fe1c5936 | 1882 | static const char non_bincompat_options[] = |
4a5df386 NC |
1883 | # ifdef DEBUGGING |
1884 | " DEBUGGING" | |
1885 | # endif | |
1886 | # ifdef NO_MATHOMS | |
0d311fbe | 1887 | " NO_MATHOMS" |
4a5df386 | 1888 | # endif |
59b86f4b DM |
1889 | # ifdef NO_HASH_SEED |
1890 | " NO_HASH_SEED" | |
1891 | # endif | |
3b0e4ee2 MB |
1892 | # ifdef NO_TAINT_SUPPORT |
1893 | " NO_TAINT_SUPPORT" | |
1894 | # endif | |
cb26ef7a MB |
1895 | # ifdef PERL_BOOL_AS_CHAR |
1896 | " PERL_BOOL_AS_CHAR" | |
1897 | # endif | |
93c10d60 FC |
1898 | # ifdef PERL_COPY_ON_WRITE |
1899 | " PERL_COPY_ON_WRITE" | |
1900 | # endif | |
4a5df386 NC |
1901 | # ifdef PERL_DISABLE_PMC |
1902 | " PERL_DISABLE_PMC" | |
1903 | # endif | |
1904 | # ifdef PERL_DONT_CREATE_GVSV | |
1905 | " PERL_DONT_CREATE_GVSV" | |
1906 | # endif | |
9a044a43 NC |
1907 | # ifdef PERL_EXTERNAL_GLOB |
1908 | " PERL_EXTERNAL_GLOB" | |
1909 | # endif | |
59b86f4b DM |
1910 | # ifdef PERL_HASH_FUNC_SIPHASH |
1911 | " PERL_HASH_FUNC_SIPHASH" | |
1912 | # endif | |
1913 | # ifdef PERL_HASH_FUNC_SDBM | |
1914 | " PERL_HASH_FUNC_SDBM" | |
1915 | # endif | |
1916 | # ifdef PERL_HASH_FUNC_DJB2 | |
1917 | " PERL_HASH_FUNC_DJB2" | |
1918 | # endif | |
1919 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1920 | " PERL_HASH_FUNC_SUPERFAST" | |
1921 | # endif | |
1922 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1923 | " PERL_HASH_FUNC_MURMUR3" | |
1924 | # endif | |
1925 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1926 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1927 | # endif | |
1928 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1929 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1930 | # endif | |
1931 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1932 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1933 | # endif | |
4a5df386 NC |
1934 | # ifdef PERL_IS_MINIPERL |
1935 | " PERL_IS_MINIPERL" | |
1936 | # endif | |
1937 | # ifdef PERL_MALLOC_WRAP | |
1938 | " PERL_MALLOC_WRAP" | |
1939 | # endif | |
1940 | # ifdef PERL_MEM_LOG | |
1941 | " PERL_MEM_LOG" | |
1942 | # endif | |
1943 | # ifdef PERL_MEM_LOG_NOIMPL | |
1944 | " PERL_MEM_LOG_NOIMPL" | |
1945 | # endif | |
4e499636 DM |
1946 | # ifdef PERL_OP_PARENT |
1947 | " PERL_OP_PARENT" | |
1948 | # endif | |
59b86f4b DM |
1949 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1950 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1951 | # endif | |
1952 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1953 | " PERL_PERTURB_KEYS_DISABLED" | |
1954 | # endif | |
1955 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1956 | " PERL_PERTURB_KEYS_RANDOM" | |
1957 | # endif | |
c3cf41ec NC |
1958 | # ifdef PERL_PRESERVE_IVUV |
1959 | " PERL_PRESERVE_IVUV" | |
1960 | # endif | |
c051e30b NC |
1961 | # ifdef PERL_RELOCATABLE_INCPUSH |
1962 | " PERL_RELOCATABLE_INCPUSH" | |
1963 | # endif | |
4a5df386 NC |
1964 | # ifdef PERL_USE_DEVEL |
1965 | " PERL_USE_DEVEL" | |
1966 | # endif | |
1967 | # ifdef PERL_USE_SAFE_PUTENV | |
1968 | " PERL_USE_SAFE_PUTENV" | |
1969 | # endif | |
102b7877 | 1970 | # ifdef SILENT_NO_TAINT_SUPPORT |
81f816b3 | 1971 | " SILENT_NO_TAINT_SUPPORT" |
102b7877 | 1972 | # endif |
a3749cf3 NC |
1973 | # ifdef UNLINK_ALL_VERSIONS |
1974 | " UNLINK_ALL_VERSIONS" | |
1975 | # endif | |
de618ee4 NC |
1976 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1977 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1978 | # endif | |
4a5df386 NC |
1979 | # ifdef USE_FAST_STDIO |
1980 | " USE_FAST_STDIO" | |
1981 | # endif | |
98548bdf NC |
1982 | # ifdef USE_LOCALE |
1983 | " USE_LOCALE" | |
1984 | # endif | |
98548bdf NC |
1985 | # ifdef USE_LOCALE_CTYPE |
1986 | " USE_LOCALE_CTYPE" | |
1987 | # endif | |
6937817d DD |
1988 | # ifdef WIN32_NO_REGISTRY |
1989 | " USE_NO_REGISTRY" | |
1990 | # endif | |
5a8d8935 NC |
1991 | # ifdef USE_PERL_ATOF |
1992 | " USE_PERL_ATOF" | |
1993 | # endif | |
0d311fbe NC |
1994 | # ifdef USE_SITECUSTOMIZE |
1995 | " USE_SITECUSTOMIZE" | |
1996 | # endif | |
25a72d73 KW |
1997 | # ifdef USE_THREAD_SAFE_LOCALE |
1998 | " USE_THREAD_SAFE_LOCALE" | |
1999 | # endif | |
4a5df386 NC |
2000 | ; |
2001 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 2002 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
2003 | |
2004 | EXTEND(SP, entries); | |
2005 | ||
2006 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
2007 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
2008 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
2009 | ||
6baa8dbd NT |
2010 | #ifndef PERL_BUILD_DATE |
2011 | # ifdef __DATE__ | |
2012 | # ifdef __TIME__ | |
2013 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
2014 | # else | |
2015 | # define PERL_BUILD_DATE __DATE__ | |
2016 | # endif | |
2017 | # endif | |
2018 | #endif | |
2019 | ||
2020 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 2021 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 2022 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 2023 | SVs_TEMP)); |
4a5df386 NC |
2024 | #else |
2025 | PUSHs(&PL_sv_undef); | |
2026 | #endif | |
2027 | ||
4a5df386 NC |
2028 | for (i = 1; i <= local_patch_count; i++) { |
2029 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
2030 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
2031 | } | |
2032 | ||
2033 | XSRETURN(entries); | |
2034 | } | |
2035 | ||
be71fc8f NC |
2036 | #define INCPUSH_UNSHIFT 0x01 |
2037 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
2038 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
2039 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
2040 | #define INCPUSH_NOT_BASEDIR 0x10 | |
2041 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
2042 | #define INCPUSH_ADD_SUB_DIRS \ |
2043 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 2044 | |
312caa8e | 2045 | STATIC void * |
14dd3ad8 | 2046 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 2047 | { |
27da23d5 | 2048 | dVAR; |
2f9285f8 | 2049 | PerlIO *rsfp; |
312caa8e | 2050 | int argc = PL_origargc; |
8f42b153 | 2051 | char **argv = PL_origargv; |
e1ec3a88 | 2052 | const char *scriptname = NULL; |
402582ca | 2053 | bool dosearch = FALSE; |
eb578fdb | 2054 | char c; |
737c24fc | 2055 | bool doextract = FALSE; |
bd61b366 | 2056 | const char *cddir = NULL; |
ab019eaa | 2057 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2058 | bool minus_f = FALSE; |
ab019eaa | 2059 | #endif |
95670bde | 2060 | SV *linestr_sv = NULL; |
5486870f | 2061 | bool add_read_e_script = FALSE; |
87606032 | 2062 | U32 lex_start_flags = 0; |
009d90df | 2063 | |
ca7b837b | 2064 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 2065 | |
6224f72b | 2066 | init_main_stash(); |
54310121 | 2067 | |
c7030b81 NC |
2068 | { |
2069 | const char *s; | |
6224f72b GS |
2070 | for (argc--,argv++; argc > 0; argc--,argv++) { |
2071 | if (argv[0][0] != '-' || !argv[0][1]) | |
2072 | break; | |
6224f72b GS |
2073 | s = argv[0]+1; |
2074 | reswitch: | |
47f56822 | 2075 | switch ((c = *s)) { |
729a02f2 | 2076 | case 'C': |
1d5472a9 GS |
2077 | #ifndef PERL_STRICT_CR |
2078 | case '\r': | |
2079 | #endif | |
6224f72b GS |
2080 | case ' ': |
2081 | case '0': | |
2082 | case 'F': | |
2083 | case 'a': | |
2084 | case 'c': | |
2085 | case 'd': | |
2086 | case 'D': | |
2087 | case 'h': | |
2088 | case 'i': | |
2089 | case 'l': | |
2090 | case 'M': | |
2091 | case 'm': | |
2092 | case 'n': | |
2093 | case 'p': | |
2094 | case 's': | |
2095 | case 'u': | |
2096 | case 'U': | |
2097 | case 'v': | |
599cee73 PM |
2098 | case 'W': |
2099 | case 'X': | |
6224f72b | 2100 | case 'w': |
97bd5664 | 2101 | if ((s = moreswitches(s))) |
6224f72b GS |
2102 | goto reswitch; |
2103 | break; | |
33b78306 | 2104 | |
1dbad523 | 2105 | case 't': |
dc6d7f5c | 2106 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2107 | /* silently ignore */ |
dc6d7f5c | 2108 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2109 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2110 | "Cowardly refusing to run with -t or -T flags"); |
2111 | #else | |
22f7c9c9 | 2112 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
2113 | if( !TAINTING_get ) { |
2114 | TAINT_WARN_set(TRUE); | |
2115 | TAINTING_set(TRUE); | |
317ea90d | 2116 | } |
284167a5 | 2117 | #endif |
317ea90d MS |
2118 | s++; |
2119 | goto reswitch; | |
6224f72b | 2120 | case 'T': |
dc6d7f5c | 2121 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2122 | /* silently ignore */ |
dc6d7f5c | 2123 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2124 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2125 | "Cowardly refusing to run with -t or -T flags"); |
2126 | #else | |
22f7c9c9 | 2127 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2128 | TAINTING_set(TRUE); |
2129 | TAINT_WARN_set(FALSE); | |
2130 | #endif | |
6224f72b GS |
2131 | s++; |
2132 | goto reswitch; | |
f86702cc | 2133 | |
bc9b29db RH |
2134 | case 'E': |
2135 | PL_minus_E = TRUE; | |
924ba076 | 2136 | /* FALLTHROUGH */ |
6224f72b | 2137 | case 'e': |
f20b2998 | 2138 | forbid_setid('e', FALSE); |
3280af22 | 2139 | if (!PL_e_script) { |
396482e1 | 2140 | PL_e_script = newSVpvs(""); |
5486870f | 2141 | add_read_e_script = TRUE; |
6224f72b GS |
2142 | } |
2143 | if (*++s) | |
3280af22 | 2144 | sv_catpv(PL_e_script, s); |
6224f72b | 2145 | else if (argv[1]) { |
3280af22 | 2146 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2147 | argc--,argv++; |
2148 | } | |
2149 | else | |
47f56822 | 2150 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2151 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2152 | break; |
afe37c7d | 2153 | |
20ef40cf | 2154 | case 'f': |
f5542d3a | 2155 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2156 | minus_f = TRUE; |
f5542d3a | 2157 | #endif |
20ef40cf GA |
2158 | s++; |
2159 | goto reswitch; | |
2160 | ||
6224f72b | 2161 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2162 | forbid_setid('I', FALSE); |
bd61b366 | 2163 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2164 | argc--,argv++; |
2165 | } | |
6224f72b | 2166 | if (s && *s) { |
0df16ed7 | 2167 | STRLEN len = strlen(s); |
55b4bc1c | 2168 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2169 | } |
2170 | else | |
a67e862a | 2171 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2172 | break; |
6224f72b | 2173 | case 'S': |
f20b2998 | 2174 | forbid_setid('S', FALSE); |
6224f72b GS |
2175 | dosearch = TRUE; |
2176 | s++; | |
2177 | goto reswitch; | |
2178 | case 'V': | |
7edfd0ef NC |
2179 | { |
2180 | SV *opts_prog; | |
2181 | ||
7edfd0ef | 2182 | if (*++s != ':') { |
37ca4a5b | 2183 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2184 | } |
2185 | else { | |
2186 | ++s; | |
2187 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2188 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2189 | 0, s, 0); |
2190 | s += strlen(s); | |
2191 | } | |
37ca4a5b | 2192 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2193 | /* don't look for script or read stdin */ |
2194 | scriptname = BIT_BUCKET; | |
2195 | goto reswitch; | |
6224f72b | 2196 | } |
6224f72b | 2197 | case 'x': |
737c24fc | 2198 | doextract = TRUE; |
6224f72b | 2199 | s++; |
304334da | 2200 | if (*s) |
f4c556ac | 2201 | cddir = s; |
6224f72b GS |
2202 | break; |
2203 | case 0: | |
2204 | break; | |
2205 | case '-': | |
2206 | if (!*++s || isSPACE(*s)) { | |
2207 | argc--,argv++; | |
2208 | goto switch_end; | |
2209 | } | |
ee8bc8b7 NC |
2210 | /* catch use of gnu style long options. |
2211 | Both of these exit immediately. */ | |
2212 | if (strEQ(s, "version")) | |
2213 | minus_v(); | |
2214 | if (strEQ(s, "help")) | |
2215 | usage(); | |
6224f72b | 2216 | s--; |
924ba076 | 2217 | /* FALLTHROUGH */ |
6224f72b | 2218 | default: |
cea2e8a9 | 2219 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2220 | } |
2221 | } | |
c7030b81 NC |
2222 | } |
2223 | ||
6224f72b | 2224 | switch_end: |
54310121 | 2225 | |
c7030b81 NC |
2226 | { |
2227 | char *s; | |
2228 | ||
f675dbe5 CB |
2229 | if ( |
2230 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2231 | !TAINTING_get && |
f675dbe5 | 2232 | #endif |
cf756827 | 2233 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2234 | { |
9e0b0d62 KW |
2235 | /* s points to static memory in getenv(), which may be overwritten at |
2236 | * any time; use a mortal copy instead */ | |
2237 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2238 | ||
74288ac8 GS |
2239 | while (isSPACE(*s)) |
2240 | s++; | |
317ea90d | 2241 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2242 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2243 | /* silently ignore */ |
dc6d7f5c | 2244 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2245 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2246 | "Cowardly refusing to run with -t or -T flags"); |
2247 | #else | |
22f7c9c9 | 2248 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2249 | TAINTING_set(TRUE); |
2250 | TAINT_WARN_set(FALSE); | |
2251 | #endif | |
317ea90d | 2252 | } |
74288ac8 | 2253 | else { |
bd61b366 | 2254 | char *popt_copy = NULL; |
74288ac8 | 2255 | while (s && *s) { |
54913509 | 2256 | const char *d; |
74288ac8 GS |
2257 | while (isSPACE(*s)) |
2258 | s++; | |
2259 | if (*s == '-') { | |
2260 | s++; | |
2261 | if (isSPACE(*s)) | |
2262 | continue; | |
2263 | } | |
4ea8f8fb | 2264 | d = s; |
74288ac8 GS |
2265 | if (!*s) |
2266 | break; | |
2b622f1a | 2267 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2268 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2269 | while (++s && *s) { |
2270 | if (isSPACE(*s)) { | |
cf756827 | 2271 | if (!popt_copy) { |
bfa6c418 NC |
2272 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2273 | s = popt_copy + (s - d); | |
2274 | d = popt_copy; | |
cf756827 | 2275 | } |
4ea8f8fb MS |
2276 | *s++ = '\0'; |
2277 | break; | |
2278 | } | |
2279 | } | |
1c4db469 | 2280 | if (*d == 't') { |
dc6d7f5c | 2281 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2282 | /* silently ignore */ |
dc6d7f5c | 2283 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2284 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2285 | "Cowardly refusing to run with -t or -T flags"); |
2286 | #else | |
2287 | if( !TAINTING_get) { | |
2288 | TAINT_WARN_set(TRUE); | |
2289 | TAINTING_set(TRUE); | |
317ea90d | 2290 | } |
284167a5 | 2291 | #endif |
1c4db469 | 2292 | } else { |
97bd5664 | 2293 | moreswitches(d); |
1c4db469 | 2294 | } |
6224f72b | 2295 | } |
6224f72b GS |
2296 | } |
2297 | } | |
c7030b81 | 2298 | } |
a0d0e21e | 2299 | |
d6295071 TC |
2300 | #ifndef NO_PERL_INTERNAL_RAND_SEED |
2301 | /* If we're not set[ug]id, we might have honored | |
2302 | PERL_INTERNAL_RAND_SEED in perl_construct(). | |
2303 | At this point command-line options have been parsed, so if | |
2304 | we're now tainting and not set[ug]id re-seed. | |
2305 | This could possibly be wasteful if PERL_INTERNAL_RAND_SEED is invalid, | |
2306 | but avoids duplicating the logic from perl_construct(). | |
2307 | */ | |
3337f21a | 2308 | if (TAINT_get && |
d6295071 TC |
2309 | PerlProc_getuid() == PerlProc_geteuid() && |
2310 | PerlProc_getgid() == PerlProc_getegid()) { | |
2311 | Perl_drand48_init_r(&PL_internal_random_state, seed()); | |
2312 | } | |
2313 | #endif | |
2314 | ||
c29067d7 CH |
2315 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2316 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2317 | assert (!TAINT_get); |
c29067d7 | 2318 | TAINT; |
e2051532 | 2319 | set_caret_X(); |
c29067d7 CH |
2320 | TAINT_NOT; |
2321 | ||
43c0c913 | 2322 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2323 | if (!minus_f) { |
43c0c913 | 2324 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2325 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2326 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2327 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2328 | # ifdef PERL_IS_MINIPERL |
2329 | AV *const inc = GvAV(PL_incgv); | |
2330 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2331 | ||
2332 | if (inc0) { | |
15870c5c NC |
2333 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2334 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2335 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2336 | Perl_newSVpvf(aTHX_ | |
147e3846 | 2337 | "BEGIN { my $f = q%c%s%" SVf "/buildcustomize.pl%c; " |
af26e4f2 FC |
2338 | "do {local $!; -f $f }" |
2339 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2340 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2341 | } |
2342 | # else | |
2343 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2344 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2345 | if (raw_sitelib) { |
2346 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2347 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2348 | INCPUSH_CAN_RELOCATE); | |
2349 | const char *const sitelib = SvPVX(sitelib_sv); | |
2350 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2351 | Perl_newSVpvf(aTHX_ | |
2352 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2353 | 0, SVfARG(sitelib), 0, |
2354 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2355 | assert (SvREFCNT(sitelib_sv) == 1); |
2356 | SvREFCNT_dec(sitelib_sv); | |
2357 | } | |
43c0c913 | 2358 | # endif |
20ef40cf GA |
2359 | } |
2360 | #endif | |
2361 | ||
6224f72b GS |
2362 | if (!scriptname) |
2363 | scriptname = argv[0]; | |
3280af22 | 2364 | if (PL_e_script) { |
6224f72b GS |
2365 | argc++,argv--; |
2366 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2367 | } | |
bd61b366 | 2368 | else if (scriptname == NULL) { |
6224f72b GS |
2369 | #ifdef MSDOS |
2370 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2371 | moreswitches("h"); |
6224f72b GS |
2372 | #endif |
2373 | scriptname = "-"; | |
2374 | } | |
2375 | ||
284167a5 | 2376 | assert (!TAINT_get); |
2cace6ac | 2377 | init_perllib(); |
6224f72b | 2378 | |
a52eba0e | 2379 | { |
f20b2998 | 2380 | bool suidscript = FALSE; |
829372d3 | 2381 | |
8d113837 | 2382 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2383 | if (!rsfp) { |
2384 | rsfp = PerlIO_stdin(); | |
87606032 | 2385 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2386 | } |
6224f72b | 2387 | |
b24bc095 | 2388 | validate_suid(rsfp); |
6224f72b | 2389 | |
64ca3a65 | 2390 | #ifndef PERL_MICRO |
a52eba0e NC |
2391 | # if defined(SIGCHLD) || defined(SIGCLD) |
2392 | { | |
2393 | # ifndef SIGCHLD | |
2394 | # define SIGCHLD SIGCLD | |
2395 | # endif | |
2396 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2397 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2398 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2399 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2400 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2401 | } | |
0b5b802d | 2402 | } |
a52eba0e | 2403 | # endif |
64ca3a65 | 2404 | #endif |
0b5b802d | 2405 | |
737c24fc | 2406 | if (doextract) { |
faef540c | 2407 | |
f20b2998 | 2408 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2409 | setuid scripts. */ |
2410 | forbid_setid('x', suidscript); | |
f20b2998 | 2411 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2412 | |
95670bde NC |
2413 | linestr_sv = newSV_type(SVt_PV); |
2414 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2415 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2416 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2417 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2418 | } | |
f4c556ac | 2419 | } |
6224f72b | 2420 | |
ea726b52 | 2421 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2422 | CvUNIQUE_on(PL_compcv); |
2423 | ||
eacbb379 | 2424 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2425 | |
dd69841b BB |
2426 | PL_isarev = newHV(); |
2427 | ||
0c4f7ff0 | 2428 | boot_core_PerlIO(); |
6224f72b | 2429 | boot_core_UNIVERSAL(); |
e1a479c5 | 2430 | boot_core_mro(); |
4a5df386 | 2431 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2432 | |
2433 | if (xsinit) | |
acfe0abc | 2434 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2435 | #ifndef PERL_MICRO |
739a0b84 | 2436 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2437 | init_os_extras(); |
6224f72b | 2438 | #endif |
64ca3a65 | 2439 | #endif |
6224f72b | 2440 | |
29209bc5 | 2441 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2442 | # ifdef HAS_SOCKS5_INIT |
2443 | socks5_init(argv[0]); | |
2444 | # else | |
29209bc5 | 2445 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2446 | # endif |
ac27b0f5 | 2447 | #endif |
29209bc5 | 2448 | |
6224f72b GS |
2449 | init_predump_symbols(); |
2450 | /* init_postdump_symbols not currently designed to be called */ | |
2451 | /* more than once (ENV isn't cleared first, for example) */ | |
2452 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2453 | if (!PL_do_undump) |
6224f72b GS |
2454 | init_postdump_symbols(argc,argv,env); |
2455 | ||
27da23d5 JH |
2456 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2457 | * or explicitly in some platforms. | |
73e1bd1a | 2458 | * PL_utf8locale is conditionally turned on by |
085a54d9 | 2459 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2460 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2461 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2462 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2463 | #endif | |
e27b5b51 | 2464 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2465 | if (PL_unicode) { |
2466 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2467 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2468 | IO* io; |
2469 | PerlIO* fp; | |
2470 | SV* sv; | |
2471 | ||
a05d7ebb | 2472 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2473 | * and the default open disciplines. */ |
a05d7ebb JH |
2474 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2475 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2476 | (fp = IoIFP(io))) | |
2477 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2478 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2479 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2480 | (fp = IoOFP(io))) | |
2481 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2482 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2483 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2484 | (fp = IoOFP(io))) | |
2485 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2486 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2487 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2488 | SVt_PV)))) { | |
a05d7ebb JH |
2489 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2490 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2491 | if (in) { | |
2492 | if (out) | |
76f68e9b | 2493 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2494 | else |
76f68e9b | 2495 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2496 | } |
2497 | else if (out) | |
76f68e9b | 2498 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2499 | SvSETMAGIC(sv); |
2500 | } | |
b310b053 JH |
2501 | } |
2502 | } | |
e27b5b51 | 2503 | #endif |
b310b053 | 2504 | |
c7030b81 NC |
2505 | { |
2506 | const char *s; | |
4ffa73a3 JH |
2507 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2508 | if (strEQ(s, "unsafe")) | |
2509 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2510 | else if (strEQ(s, "safe")) | |
2511 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2512 | else | |
2513 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2514 | } | |
c7030b81 | 2515 | } |
4ffa73a3 | 2516 | |
81d86705 | 2517 | |
87606032 | 2518 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2519 | SvREFCNT_dec(linestr_sv); |
95670bde | 2520 | |
219f7226 | 2521 | PL_subname = newSVpvs("main"); |
6224f72b | 2522 | |
5486870f DM |
2523 | if (add_read_e_script) |
2524 | filter_add(read_e_script, NULL); | |
2525 | ||
6224f72b GS |
2526 | /* now parse the script */ |
2527 | ||
93189314 | 2528 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2529 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
c77da5ff | 2530 | abort_execution("", PL_origfilename); |
6224f72b | 2531 | } |
57843af0 | 2532 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2533 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2534 | if (PL_e_script) { |
2535 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2536 | PL_e_script = NULL; |
6224f72b GS |
2537 | } |
2538 | ||
3280af22 | 2539 | if (PL_do_undump) |
6224f72b GS |
2540 | my_unexec(); |
2541 | ||
57843af0 GS |
2542 | if (isWARN_ONCE) { |
2543 | SAVECOPFILE(PL_curcop); | |
2544 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2545 | gv_check(PL_defstash); |
57843af0 | 2546 | } |
6224f72b GS |
2547 | |
2548 | LEAVE; | |
2549 | FREETMPS; | |
2550 | ||
2551 | #ifdef MYMALLOC | |
f6a607bc RGS |
2552 | { |
2553 | const char *s; | |
22ff3130 HS |
2554 | UV uv; |
2555 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2556 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2557 | dump_mstats("after compilation:"); |
f6a607bc | 2558 | } |
6224f72b GS |
2559 | #endif |
2560 | ||
2561 | ENTER; | |
febb3a6d | 2562 | PL_restartjmpenv = NULL; |
3280af22 | 2563 | PL_restartop = 0; |
312caa8e | 2564 | return NULL; |
6224f72b GS |
2565 | } |
2566 | ||
954c1994 | 2567 | /* |
44170c9a | 2568 | =for apidoc perl_run |
0301e899 Z |
2569 | |
2570 | Tells a Perl interpreter to run its main program. See L<perlembed> | |
2571 | for a tutorial. | |
2572 | ||
2573 | C<my_perl> points to the Perl interpreter. It must have been previously | |
2574 | created through the use of L</perl_alloc> and L</perl_construct>, and | |
2575 | initialised through L</perl_parse>. This function should not be called | |
2576 | if L</perl_parse> returned a non-zero value, indicating a failure in | |
2577 | initialisation or compilation. | |
2578 | ||
2579 | This function executes code in C<INIT> blocks, and then executes the | |
2580 | main program. The code to be executed is that established by the prior | |
2581 | call to L</perl_parse>. If the interpreter's C<PL_exit_flags> word | |
2582 | does not have the C<PERL_EXIT_DESTRUCT_END> flag set, then this function | |
2583 | will also execute code in C<END> blocks. If it is desired to make any | |
2584 | further use of the interpreter after calling this function, then C<END> | |
2585 | blocks should be postponed to L</perl_destruct> time by setting that flag. | |
2586 | ||
2587 | Returns an integer of slightly tricky interpretation. The correct use | |
2588 | of the return value is as a truth value indicating whether the program | |
2589 | terminated non-locally. If zero is returned, this indicates that | |
2590 | the program ran to completion, and it is safe to make other use of the | |
2591 | interpreter (provided that the C<PERL_EXIT_DESTRUCT_END> flag was set as | |
2592 | described above). If a non-zero value is returned, this indicates that | |
2593 | the interpreter wants to terminate early. The interpreter should not be | |
2594 | just abandoned because of this desire to terminate; the caller should | |
2595 | proceed to shut the interpreter down cleanly with L</perl_destruct> | |
2596 | and free it with L</perl_free>. | |
2597 | ||
2598 | For historical reasons, the non-zero return value also attempts to | |
2599 | be a suitable value to pass to the C library function C<exit> (or to | |
2600 | return from C<main>), to serve as an exit code indicating the nature of | |
2601 | the way the program terminated. However, this isn't portable, due to | |
2602 | differing exit code conventions. An attempt is made to return an exit | |
2603 | code of the type required by the host operating system, but because | |
2604 | it is constrained to be non-zero, it is not necessarily possible to | |
2605 | indicate every type of exit. It is only reliable on Unix, where a zero | |
2606 | exit code can be augmented with a set bit that will be ignored. In any | |
2607 | case, this function is not the correct place to acquire an exit code: | |
2608 | one should get that from L</perl_destruct>. | |
954c1994 GS |
2609 | |
2610 | =cut | |
2611 | */ | |
2612 | ||
6224f72b | 2613 | int |
0cb96387 | 2614 | perl_run(pTHXx) |
6224f72b | 2615 | { |
6224f72b | 2616 | I32 oldscope; |
9f960638 | 2617 | int ret = 0; |
db36c5a1 | 2618 | dJMPENV; |
6224f72b | 2619 | |
7918f24d NC |
2620 | PERL_ARGS_ASSERT_PERL_RUN; |
2621 | #ifndef MULTIPLICITY | |
ed6c66dd | 2622 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2623 | #endif |
9d4ba2ae | 2624 | |
3280af22 | 2625 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2626 | #ifdef VMS |
2627 | VMSISH_HUSHED = 0; | |
2628 | #endif | |
6224f72b | 2629 | |
14dd3ad8 | 2630 | JMPENV_PUSH(ret); |
6224f72b GS |
2631 | switch (ret) { |
2632 | case 1: | |
2633 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2634 | goto redo_body; |
14dd3ad8 | 2635 | case 0: /* normal completion */ |
14dd3ad8 GS |
2636 | redo_body: |
2637 | run_body(oldscope); | |
9f960638 | 2638 | /* FALLTHROUGH */ |
14dd3ad8 | 2639 | case 2: /* my_exit() */ |
3280af22 | 2640 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2641 | LEAVE; |
2642 | FREETMPS; | |
03d9f026 | 2643 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2644 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2645 | PL_endav && !PL_minus_c) { |
ca7b837b | 2646 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2647 | call_list(oldscope, PL_endav); |
9ebf26ad | 2648 | } |
6224f72b GS |
2649 | #ifdef MYMALLOC |
2650 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2651 | dump_mstats("after execution: "); | |
2652 | #endif | |
9f960638 | 2653 | ret = STATUS_EXIT; |
14dd3ad8 | 2654 | break; |
6224f72b | 2655 | case 3: |
312caa8e CS |
2656 | if (PL_restartop) { |
2657 | POPSTACK_TO(PL_mainstack); | |
2658 | goto redo_body; | |
6224f72b | 2659 | } |
5637ef5b | 2660 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2661 | FREETMPS; |
14dd3ad8 GS |
2662 | ret = 1; |
2663 | break; | |
6224f72b GS |
2664 | } |
2665 | ||
14dd3ad8 GS |
2666 | JMPENV_POP; |
2667 | return ret; | |
312caa8e CS |
2668 | } |
2669 | ||
dd374669 | 2670 | STATIC void |
14dd3ad8 GS |
2671 | S_run_body(pTHX_ I32 oldscope) |
2672 | { | |
d3b97530 DM |
2673 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2674 | PL_sawampersand ? "Enabling" : "Omitting", | |
2675 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2676 | |
3280af22 | 2677 | if (!PL_restartop) { |
cf2782cd | 2678 | #ifdef DEBUGGING |
f0e3f042 CS |
2679 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2680 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2681 | if (!DEBUG_q_TEST) |
2682 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2683 | #endif |
6224f72b | 2684 | |
3280af22 | 2685 | if (PL_minus_c) { |
bf49b057 | 2686 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2687 | my_exit(0); |
2688 | } | |
3280af22 | 2689 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2690 | PL_DBsingle_iv = 1; |
9ebf26ad | 2691 | if (PL_initav) { |
ca7b837b | 2692 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2693 | call_list(oldscope, PL_initav); |
9ebf26ad | 2694 | } |
f1fac472 | 2695 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2696 | if (PL_main_root && PL_main_root->op_slabbed) |
2697 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2698 | #endif |
6224f72b GS |
2699 | } |
2700 | ||
2701 | /* do it */ | |
2702 | ||
ca7b837b | 2703 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2704 | |
3280af22 | 2705 | if (PL_restartop) { |
febb3a6d | 2706 | PL_restartjmpenv = NULL; |
533c011a | 2707 | PL_op = PL_restartop; |
3280af22 | 2708 | PL_restartop = 0; |
cea2e8a9 | 2709 | CALLRUNOPS(aTHX); |
6224f72b | 2710 | } |
3280af22 NIS |
2711 | else if (PL_main_start) { |
2712 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2713 | PL_op = PL_main_start; |
cea2e8a9 | 2714 | CALLRUNOPS(aTHX); |
6224f72b | 2715 | } |
f6b3007c | 2716 | my_exit(0); |
e5964223 | 2717 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2718 | } |
2719 | ||
954c1994 | 2720 | /* |
ccfc67b7 JH |
2721 | =head1 SV Manipulation Functions |
2722 | ||
44170c9a | 2723 | =for apidoc get_sv |
954c1994 | 2724 | |
64ace3f8 | 2725 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2726 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2727 | Perl variable does not exist then it will be created. If C<flags> is zero |
2728 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2729 | |
2730 | =cut | |
2731 | */ | |
2732 | ||
6224f72b | 2733 | SV* |
64ace3f8 | 2734 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2735 | { |
2736 | GV *gv; | |
7918f24d NC |
2737 | |
2738 | PERL_ARGS_ASSERT_GET_SV; | |
2739 | ||
64ace3f8 | 2740 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2741 | if (gv) |
2742 | return GvSV(gv); | |
a0714e2c | 2743 | return NULL; |
6224f72b GS |
2744 | } |
2745 | ||
954c1994 | 2746 | /* |
ccfc67b7 JH |
2747 | =head1 Array Manipulation Functions |
2748 | ||
44170c9a | 2749 | =for apidoc get_av |
954c1994 | 2750 | |
f0b90de1 SF |
2751 | Returns the AV of the specified Perl global or package array with the given |
2752 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2753 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2754 | Perl variable does not exist then it will be created. If C<flags> is zero |
2755 | and the variable does not exist then NULL is returned. | |
954c1994 | 2756 | |
f0b90de1 SF |
2757 | Perl equivalent: C<@{"$name"}>. |
2758 | ||
954c1994 GS |
2759 | =cut |
2760 | */ | |
2761 | ||
6224f72b | 2762 | AV* |
cbfd0a87 | 2763 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2764 | { |
cbfd0a87 | 2765 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2766 | |
2767 | PERL_ARGS_ASSERT_GET_AV; | |
2768 | ||
cbfd0a87 | 2769 | if (flags) |
6224f72b GS |
2770 | return GvAVn(gv); |
2771 | if (gv) | |
2772 | return GvAV(gv); | |
7d49f689 | 2773 | return NULL; |
6224f72b GS |
2774 | } |
2775 | ||
954c1994 | 2776 | /* |
ccfc67b7 JH |
2777 | =head1 Hash Manipulation Functions |
2778 | ||
44170c9a | 2779 | =for apidoc get_hv |
954c1994 | 2780 | |
6673a63c | 2781 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2782 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2783 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2784 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2785 | |
2786 | =cut | |
2787 | */ | |
2788 | ||
6224f72b | 2789 | HV* |
6673a63c | 2790 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2791 | { |
6673a63c | 2792 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2793 | |
2794 | PERL_ARGS_ASSERT_GET_HV; | |
2795 | ||
6673a63c | 2796 | if (flags) |
a0d0e21e LW |
2797 | return GvHVn(gv); |
2798 | if (gv) | |
2799 | return GvHV(gv); | |
5c284bb0 | 2800 | return NULL; |
a0d0e21e LW |
2801 | } |
2802 | ||
954c1994 | 2803 | /* |
ccfc67b7 JH |
2804 | =head1 CV Manipulation Functions |
2805 | ||
44170c9a | 2806 | =for apidoc get_cvn_flags |
780a5241 NC |
2807 | |
2808 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2809 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2810 | exist then it will be declared (which has the same effect as saying |
2811 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2812 | then NULL is returned. | |
2813 | ||
44170c9a | 2814 | =for apidoc get_cv |
954c1994 | 2815 | |
780a5241 | 2816 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2817 | |
2818 | =cut | |
2819 | */ | |
2820 | ||
a0d0e21e | 2821 | CV* |
780a5241 | 2822 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2823 | { |
780a5241 | 2824 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2825 | |
2826 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2827 | ||
a385812b | 2828 | if (gv && UNLIKELY(SvROK(gv)) && SvTYPE(SvRV((SV *)gv)) == SVt_PVCV) |
e05a85b2 | 2829 | return (CV*)SvRV((SV *)gv); |
a385812b | 2830 | |
334dda80 FC |
2831 | /* XXX this is probably not what they think they're getting. |
2832 | * It has the same effect as "sub name;", i.e. just a forward | |
2833 | * declaration! */ | |
780a5241 | 2834 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2835 | return newSTUB(gv,0); |
780a5241 | 2836 | } |
a0d0e21e | 2837 | if (gv) |
8ebc5c01 | 2838 | return GvCVu(gv); |
601f1833 | 2839 | return NULL; |
a0d0e21e LW |
2840 | } |
2841 | ||
2c67934f NC |
2842 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2843 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2844 | CV* |
2845 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2846 | { | |
7918f24d NC |
2847 | PERL_ARGS_ASSERT_GET_CV; |
2848 | ||
780a5241 NC |
2849 | return get_cvn_flags(name, strlen(name), flags); |
2850 | } | |
2851 | ||
79072805 LW |
2852 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2853 | ||
954c1994 | 2854 | /* |
ccfc67b7 JH |
2855 | |
2856 | =head1 Callback Functions | |
2857 | ||
44170c9a | 2858 | =for apidoc call_argv |
954c1994 | 2859 | |
f0b90de1 | 2860 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2861 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2862 | L<perlcall>. |
f0b90de1 SF |
2863 | |
2864 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2865 | |
2866 | =cut | |
2867 | */ | |
2868 | ||
a0d0e21e | 2869 | I32 |
5aaab254 | 2870 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2871 | |
8ac85365 NIS |
2872 | /* See G_* flags in cop.h */ |
2873 | /* null terminated arg list */ | |
8990e307 | 2874 | { |
a0d0e21e | 2875 | dSP; |
8990e307 | 2876 | |
7918f24d NC |
2877 | PERL_ARGS_ASSERT_CALL_ARGV; |
2878 | ||
924508f0 | 2879 | PUSHMARK(SP); |
3dc78631 DM |
2880 | while (*argv) { |
2881 | mXPUSHs(newSVpv(*argv,0)); | |
2882 | argv++; | |
8990e307 | 2883 | } |
3dc78631 | 2884 | PUTBACK; |
864dbfa3 | 2885 | return call_pv(sub_name, flags); |
8990e307 LW |
2886 | } |
2887 | ||
954c1994 | 2888 | /* |
44170c9a | 2889 | =for apidoc call_pv |
954c1994 GS |
2890 | |
2891 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2892 | ||
2893 | =cut | |
2894 | */ | |
2895 | ||
a0d0e21e | 2896 | I32 |
864dbfa3 | 2897 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2898 | /* name of the subroutine */ |
2899 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2900 | { |
7918f24d NC |
2901 | PERL_ARGS_ASSERT_CALL_PV; |
2902 | ||
0da0e728 | 2903 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2904 | } |
2905 | ||
954c1994 | 2906 | /* |
44170c9a | 2907 | =for apidoc call_method |
954c1994 GS |
2908 | |
2909 | Performs a callback to the specified Perl method. The blessed object must | |
2910 | be on the stack. See L<perlcall>. | |
2911 | ||
2912 | =cut | |
2913 | */ | |
2914 | ||
a0d0e21e | 2915 | I32 |
864dbfa3 | 2916 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2917 | /* name of the subroutine */ |
2918 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2919 | { |
46ca9bac | 2920 | STRLEN len; |
c106c2be | 2921 | SV* sv; |
7918f24d NC |
2922 | PERL_ARGS_ASSERT_CALL_METHOD; |
2923 | ||
46ca9bac | 2924 | len = strlen(methname); |
c106c2be RZ |
2925 | sv = flags & G_METHOD_NAMED |
2926 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2927 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2928 | |
c106c2be | 2929 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2930 | } |
2931 | ||
2932 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 | 2933 | /* |
44170c9a | 2934 | =for apidoc call_sv |
954c1994 | 2935 | |
078e2213 TC |
2936 | Performs a callback to the Perl sub specified by the SV. |
2937 | ||
7c0c544c | 2938 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2939 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2940 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2941 | ||
2942 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2943 | C<SvPV(sv)> will be used as the name of the method to call. | |
2944 | ||
2945 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2946 | the name of the method to call. | |
2947 | ||
2948 | Some other values are treated specially for internal use and should | |
2949 | not be depended on. | |
2950 | ||
2951 | See L<perlcall>. | |
954c1994 | 2952 | |
11939230 KW |
2953 | =for apidoc Amnh||G_METHOD |
2954 | =for apidoc Amnh||G_METHOD_NAMED | |
2955 | ||
954c1994 GS |
2956 | =cut |
2957 | */ | |
2958 | ||
a0d0e21e | 2959 | I32 |
8162b70e | 2960 | Perl_call_sv(pTHX_ SV *sv, volatile I32 flags) |
8ac85365 | 2961 | /* See G_* flags in cop.h */ |
a0d0e21e | 2962 | { |
5b434c73 | 2963 | dVAR; |
a0d0e21e | 2964 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2965 | METHOP method_op; |
aa689395 | 2966 | I32 oldmark; |
8162b70e | 2967 | volatile I32 retval = 0; |
54310121 | 2968 | bool oldcatch = CATCH_GET; |
6224f72b | 2969 | int ret; |
c4420975 | 2970 | OP* const oldop = PL_op; |
db36c5a1 | 2971 | dJMPENV; |
1e422769 | 2972 | |
7918f24d NC |
2973 | PERL_ARGS_ASSERT_CALL_SV; |
2974 | ||
a0d0e21e LW |
2975 | if (flags & G_DISCARD) { |
2976 | ENTER; | |
2977 | SAVETMPS; | |
2978 | } | |
2f8edad0 NC |
2979 | if (!(flags & G_WANT)) { |
2980 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2981 | */ | |
2982 | flags |= G_SCALAR; | |
2983 | } | |
a0d0e21e | 2984 | |
aa689395 | 2985 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2986 | if (!(flags & G_NOARGS)) |
aa689395 | 2987 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2988 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2989 | SAVEOP(); |
533c011a | 2990 | PL_op = (OP*)&myop; |
aa689395 | 2991 | |
8c9009ad | 2992 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2993 | dSP; |
2994 | EXTEND(SP, 1); | |
8c9009ad DD |
2995 | PUSHs(sv); |
2996 | PUTBACK; | |
5b434c73 | 2997 | } |
aa689395 | 2998 | oldmark = TOPMARK; |
a0d0e21e | 2999 | |
3280af22 | 3000 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 3001 | /* Handle first BEGIN of -d. */ |
3280af22 | 3002 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 3003 | /* Try harder, since this may have been a sighandler, thus |
3004 | * curstash may be meaningless. */ | |
ea726b52 | 3005 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 3006 | && !(flags & G_NODEBUG)) |
5ff48db8 | 3007 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 3008 | |
c106c2be | 3009 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 3010 | Zero(&method_op, 1, METHOP); |
3011 | method_op.op_next = (OP*)&myop; | |
3012 | PL_op = (OP*)&method_op; | |
c106c2be | 3013 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 3014 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
3015 | method_op.op_type = OP_METHOD_NAMED; | |
3016 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 3017 | } else { |
b46e009d | 3018 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
3019 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
3020 | } |
3021 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
3022 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
3023 | } |
3024 | ||
312caa8e | 3025 | if (!(flags & G_EVAL)) { |
0cdb2077 | 3026 | CATCH_SET(TRUE); |
d6f07c05 | 3027 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 3028 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 3029 | CATCH_SET(oldcatch); |
312caa8e CS |
3030 | } |
3031 | else { | |
8e90e786 | 3032 | I32 old_cxix; |
d78bda3d | 3033 | myop.op_other = (OP*)&myop; |
101d6365 | 3034 | (void)POPMARK; |
8e90e786 | 3035 | old_cxix = cxstack_ix; |
274ed8ae | 3036 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
c318a6ee | 3037 | INCMARK; |
a0d0e21e | 3038 | |
14dd3ad8 | 3039 | JMPENV_PUSH(ret); |
edb2152a | 3040 | |
6224f72b GS |
3041 | switch (ret) { |
3042 | case 0: | |
14dd3ad8 | 3043 | redo_body: |
d6f07c05 | 3044 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 3045 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 3046 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 3047 | CLEAR_ERRSV(); |
8433848b | 3048 | } |
a0d0e21e | 3049 | break; |
6224f72b | 3050 | case 1: |
f86702cc | 3051 | STATUS_ALL_FAILURE; |
924ba076 | 3052 | /* FALLTHROUGH */ |
6224f72b | 3053 | case 2: |
a0d0e21e | 3054 | /* my_exit() was called */ |
03d9f026 | 3055 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 3056 | FREETMPS; |
14dd3ad8 | 3057 | JMPENV_POP; |
f86702cc | 3058 | my_exit_jump(); |
e5964223 | 3059 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 3060 | case 3: |
3280af22 | 3061 | if (PL_restartop) { |
febb3a6d | 3062 | PL_restartjmpenv = NULL; |
533c011a | 3063 | PL_op = PL_restartop; |
3280af22 | 3064 | PL_restartop = 0; |
312caa8e | 3065 | goto redo_body; |
a0d0e21e | 3066 | } |
3280af22 | 3067 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 3068 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
3069 | retval = 0; |
3070 | else { | |
3071 | retval = 1; | |
3280af22 | 3072 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 3073 | } |
312caa8e | 3074 | break; |
a0d0e21e | 3075 | } |
a0d0e21e | 3076 | |
8e90e786 DM |
3077 | /* if we croaked, depending on how we croaked the eval scope |
3078 | * may or may not have already been popped */ | |
3079 | if (cxstack_ix > old_cxix) { | |
3080 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 3081 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 3082 | delete_eval_scope(); |
8e90e786 | 3083 | } |
14dd3ad8 | 3084 | JMPENV_POP; |
a0d0e21e | 3085 | } |
1e422769 | 3086 | |
a0d0e21e | 3087 | if (flags & G_DISCARD) { |
3280af22 | 3088 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
3089 | retval = 0; |
3090 | FREETMPS; | |
3091 | LEAVE; | |
3092 | } | |
533c011a | 3093 | PL_op = oldop; |
a0d0e21e LW |
3094 | return retval; |
3095 | } | |
3096 | ||
6e72f9df | 3097 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 3098 | |
954c1994 | 3099 | /* |
44170c9a | 3100 | =for apidoc eval_sv |
954c1994 | 3101 | |
72d33970 | 3102 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 3103 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 | 3104 | |
fb81daf0 TC |
3105 | The C<G_RETHROW> flag can be used if you only need eval_sv() to |
3106 | execute code specified by a string, but not catch any errors. | |
3107 | ||
954c1994 GS |
3108 | =cut |
3109 | */ | |
3110 | ||
a0d0e21e | 3111 | I32 |
864dbfa3 | 3112 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 3113 | |
8ac85365 | 3114 | /* See G_* flags in cop.h */ |
a0d0e21e | 3115 | { |
97aff369 | 3116 | dVAR; |
a0d0e21e | 3117 | UNOP myop; /* fake syntax tree node */ |
8162b70e AC |
3118 | volatile I32 oldmark; |
3119 | volatile I32 retval = 0; | |
6224f72b | 3120 | int ret; |
c4420975 | 3121 | OP* const oldop = PL_op; |
db36c5a1 | 3122 | dJMPENV; |
84902520 | 3123 | |
7918f24d NC |
3124 | PERL_ARGS_ASSERT_EVAL_SV; |
3125 | ||
4633a7c4 LW |
3126 | if (flags & G_DISCARD) { |
3127 | ENTER; | |
3128 | SAVETMPS; | |
3129 | } | |
3130 | ||
462e5cf6 | 3131 | SAVEOP(); |
533c011a | 3132 | PL_op = (OP*)&myop; |
5ff48db8 | 3133 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
3134 | { |
3135 | dSP; | |
3136 | oldmark = SP - PL_stack_base; | |
3137 | EXTEND(SP, 1); | |
3138 | PUSHs(sv); | |
3139 | PUTBACK; | |
3140 | } | |
79072805 | 3141 | |
4633a7c4 LW |
3142 | if (!(flags & G_NOARGS)) |
3143 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 3144 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 3145 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 3146 | if (flags & G_KEEPERR) |
3147 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
3148 | |
3149 | if (flags & G_RE_REPARSING) | |
3150 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 3151 | |
dedbcade | 3152 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 3153 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
3154 | TAINT_PROPER("eval_sv()"); |
3155 | ||
14dd3ad8 | 3156 | JMPENV_PUSH(ret); |
6224f72b GS |
3157 | switch (ret) { |
3158 | case 0: | |
14dd3ad8 | 3159 | redo_body: |
2ba65d5f DM |
3160 | if (PL_op == (OP*)(&myop)) { |
3161 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
3162 | if (!PL_op) | |
3163 | goto fail; /* failed in compilation */ | |
3164 | } | |
4aca2f62 | 3165 | CALLRUNOPS(aTHX); |
312caa8e | 3166 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 3167 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 3168 | CLEAR_ERRSV(); |
8433848b | 3169 | } |
4633a7c4 | 3170 | break; |
6224f72b | 3171 | case 1: |
f86702cc | 3172 | STATUS_ALL_FAILURE; |
924ba076 | 3173 | /* FALLTHROUGH */ |
6224f72b | 3174 | case 2: |
4633a7c4 | 3175 | /* my_exit() was called */ |
03d9f026 | 3176 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 3177 | FREETMPS; |
14dd3ad8 | 3178 | JMPENV_POP; |
f86702cc | 3179 | my_exit_jump(); |
e5964223 | 3180 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 3181 | case 3: |
3280af22 | 3182 | if (PL_restartop) { |
febb3a6d | 3183 | PL_restartjmpenv = NULL; |
533c011a | 3184 | PL_op = PL_restartop; |
3280af22 | 3185 | PL_restartop = 0; |
312caa8e | 3186 | goto redo_body; |
4633a7c4 | 3187 | } |
4aca2f62 | 3188 | fail: |
fb81daf0 TC |
3189 | if (flags & G_RETHROW) { |
3190 | JMPENV_POP; | |
3191 | croak_sv(ERRSV); | |
3192 | } | |
3193 | ||
3280af22 | 3194 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 3195 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
3196 | retval = 0; |
3197 | else { | |
3198 | retval = 1; | |
3280af22 | 3199 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 3200 | } |
312caa8e | 3201 | break; |
4633a7c4 LW |
3202 | } |
3203 | ||
14dd3ad8 | 3204 | JMPENV_POP; |
4633a7c4 | 3205 | if (flags & G_DISCARD) { |
3280af22 | 3206 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3207 | retval = 0; |
3208 | FREETMPS; | |
3209 | LEAVE; | |
3210 | } | |
533c011a | 3211 | PL_op = oldop; |
4633a7c4 LW |
3212 | return retval; |
3213 | } | |
3214 | ||
954c1994 | 3215 | /* |
44170c9a | 3216 | =for apidoc eval_pv |
954c1994 | 3217 | |
422791e4 | 3218 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3219 | |
3220 | =cut | |
3221 | */ | |
3222 | ||
137443ea | 3223 | SV* |
864dbfa3 | 3224 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3225 | { |
137443ea | 3226 | SV* sv = newSVpv(p, 0); |
3227 | ||
7918f24d NC |
3228 | PERL_ARGS_ASSERT_EVAL_PV; |
3229 | ||
fb81daf0 TC |
3230 | if (croak_on_error) { |
3231 | sv_2mortal(sv); | |
3232 | eval_sv(sv, G_SCALAR | G_RETHROW); | |
3233 | } | |
3234 | else { | |
3235 | eval_sv(sv, G_SCALAR); | |
3236 | SvREFCNT_dec(sv); | |
3237 | } | |
137443ea | 3238 | |
ed1786ad DD |
3239 | { |
3240 | dSP; | |
3241 | sv = POPs; | |
3242 | PUTBACK; | |
3243 | } | |
137443ea | 3244 | |
137443ea | 3245 | return sv; |
3246 | } | |
3247 | ||
4633a7c4 LW |
3248 | /* Require a module. */ |
3249 | ||
954c1994 | 3250 | /* |
ccfc67b7 JH |
3251 | =head1 Embedding Functions |
3252 | ||
44170c9a | 3253 | =for apidoc require_pv |
954c1994 | 3254 | |
7d3fb230 BS |
3255 | Tells Perl to C<require> the file named by the string argument. It is |
3256 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3257 | implemented that way; consider using load_module instead. |
954c1994 | 3258 | |
7d3fb230 | 3259 | =cut */ |
954c1994 | 3260 | |
4633a7c4 | 3261 | void |
864dbfa3 | 3262 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3263 | { |
d3acc0f7 | 3264 | dSP; |
97aff369 | 3265 | SV* sv; |
7918f24d NC |
3266 | |
3267 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3268 | ||
e788e7d3 | 3269 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3270 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3271 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3272 | POPSTACK; |
79072805 LW |
3273 | } |
3274 | ||
76e3520e | 3275 | STATIC void |
b6f82619 | 3276 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3277 | { |
ab821d7f | 3278 | /* This message really ought to be max 23 lines. |
75c72d73 | 3279 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3280 | |
1566c39d NC |
3281 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3282 | minimum of 509 character string literals. */ | |
27da23d5 | 3283 | static const char * const usage_msg[] = { |
1566c39d NC |
3284 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3285 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3286 | " -C[number/list] enables the listed Unicode features\n" | |
3287 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3288 | " -d[:debugger] run program under debugger\n" | |
3289 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3290 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3291 | " -E program like -e, but enables all optional features\n" | |
3292 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3293 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3294 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3295 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3296 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3297 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3298 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3299 | " -p assume loop like -n but print line also, like sed\n" | |
3300 | " -s enable rudimentary parsing for switches after programfile\n" | |
3301 | " -S look for programfile using PATH environment variable\n", | |
3302 | " -t enable tainting warnings\n" | |
3303 | " -T enable tainting checks\n" | |
3304 | " -u dump core after parsing program\n" | |
3305 | " -U allow unsafe operations\n" | |
3306 | " -v print version, patchlevel and license\n" | |
3307 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3308 | " -w enable many useful warnings\n" |
1566c39d NC |
3309 | " -W enable all warnings\n" |
3310 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3311 | " -X disable all warnings\n" | |
3312 | " \n" | |
3313 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3314 | NULL |
3315 | }; | |
27da23d5 | 3316 | const char * const *p = usage_msg; |
1566c39d | 3317 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3318 | |
1566c39d NC |
3319 | PerlIO_printf(out, |
3320 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3321 | PL_origargv[0]); |
fb73857a | 3322 | while (*p) |
1566c39d | 3323 | PerlIO_puts(out, *p++); |
b6f82619 | 3324 | my_exit(0); |
4633a7c4 LW |
3325 | } |
3326 | ||
b4ab917c DM |
3327 | /* convert a string of -D options (or digits) into an int. |
3328 | * sets *s to point to the char after the options */ | |
3329 | ||
3330 | #ifdef DEBUGGING | |
3331 | int | |
e1ec3a88 | 3332 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3333 | { |
27da23d5 | 3334 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3335 | " Debugging flag values: (see also -d)\n" |
3336 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3337 | " s Stack snapshots (with v, displays all stacks)\n" | |
3338 | " l Context (loop) stack processing\n" | |
3339 | " t Trace execution\n" | |
3340 | " o Method and overloading resolution\n", | |
3341 | " c String/numeric conversions\n" | |
3342 | " P Print profiling info, source file input state\n" | |
3343 | " m Memory and SV allocation\n" | |
3344 | " f Format processing\n" | |
3345 | " r Regular expression parsing and execution\n" | |
3346 | " x Syntax tree dump\n", | |
3347 | " u Tainting checks\n" | |
3348 | " H Hash dump -- usurps values()\n" | |
3349 | " X Scratchpad allocation\n" | |
3350 | " D Cleaning up\n" | |
56967202 | 3351 | " S Op slab allocation\n" |
651b8f1a NC |
3352 | " T Tokenising\n" |
3353 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3354 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3355 | " v Verbose: use in conjunction with other flags\n" | |
3356 | " C Copy On Write\n" | |
3357 | " A Consistency checks on internal structures\n" | |
3358 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3359 | " M trace smart match resolution\n" | |
3360 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3361 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3362 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3363 | NULL |
3364 | }; | |
22ff3130 | 3365 | UV uv = 0; |
7918f24d NC |
3366 | |
3367 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3368 | ||
b4ab917c DM |
3369 | if (isALPHA(**s)) { |
3370 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3371 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3372 | |
0eb30aeb | 3373 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3374 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3375 | if (d) |
22ff3130 | 3376 | uv |= 1 << (d - debopts); |
b4ab917c | 3377 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3378 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3379 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3380 | } |
3381 | } | |
e6e64d9b | 3382 | else if (isDIGIT(**s)) { |
5d4a52b5 | 3383 | const char* e = *s + strlen(*s); |
22ff3130 | 3384 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3385 | *s = e; |
0eb30aeb | 3386 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3387 | } |
ddcf8bc1 | 3388 | else if (givehelp) { |
06e869a4 | 3389 | const char *const *p = usage_msgd; |
651b8f1a | 3390 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3391 | } |
22ff3130 | 3392 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3393 | } |
3394 | #endif | |
3395 | ||
79072805 LW |
3396 | /* This routine handles any switches that can be given during run */ |
3397 | ||
c7030b81 NC |
3398 | const char * |
3399 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3400 | { |
27da23d5 | 3401 | dVAR; |
84c133a0 | 3402 | UV rschar; |
0544e6df | 3403 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3404 | |
7918f24d NC |
3405 | PERL_ARGS_ASSERT_MORESWITCHES; |
3406 | ||
79072805 LW |
3407 | switch (*s) { |
3408 | case '0': | |
a863c7d1 | 3409 | { |
f2095865 | 3410 | I32 flags = 0; |
a3b680e6 | 3411 | STRLEN numlen; |
f2095865 JH |
3412 | |
3413 | SvREFCNT_dec(PL_rs); | |
3414 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3415 | const char *e = s+=2; |
f2095865 JH |
3416 | U8 *tmps; |
3417 | ||
a3b680e6 AL |
3418 | while (*e) |
3419 | e++; | |
f2095865 JH |
3420 | numlen = e - s; |
3421 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3422 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3423 | if (s + numlen < e) { | |
3424 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3425 | numlen = 0; | |
3426 | s--; | |
3427 | } | |
396482e1 | 3428 | PL_rs = newSVpvs(""); |
10656159 | 3429 | tmps = (U8*) SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 | 3430 | uvchr_to_utf8(tmps, rschar); |
5f560d8a | 3431 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3432 | SvUTF8_on(PL_rs); |
3433 | } | |
3434 | else { | |
3435 | numlen = 4; | |
3436 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3437 | if (rschar & ~((U8)~0)) | |
3438 | PL_rs = &PL_sv_undef; | |
3439 | else if (!rschar && numlen >= 2) | |
396482e1 | 3440 | PL_rs = newSVpvs(""); |
f2095865 JH |
3441 | else { |
3442 | char ch = (char)rschar; | |
3443 | PL_rs = newSVpvn(&ch, 1); | |
3444 | } | |
3445 | } | |
64ace3f8 | 3446 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3447 | return s + numlen; |
a863c7d1 | 3448 | } |
46487f74 | 3449 | case 'C': |
a05d7ebb | 3450 | s++; |
dd374669 | 3451 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3452 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3453 | PL_utf8cache = -1; | |
46487f74 | 3454 | return s; |
2304df62 | 3455 | case 'F': |
5fc691f1 | 3456 | PL_minus_a = TRUE; |
3280af22 | 3457 | PL_minus_F = TRUE; |
24ffa309 | 3458 | PL_minus_n = TRUE; |
ebce5377 RGS |
3459 | PL_splitstr = ++s; |
3460 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3461 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3462 | return s; |
79072805 | 3463 | case 'a': |
3280af22 | 3464 | PL_minus_a = TRUE; |
24ffa309 | 3465 | PL_minus_n = TRUE; |
79072805 LW |
3466 | s++; |
3467 | return s; | |
3468 | case 'c': | |
3280af22 | 3469 | PL_minus_c = TRUE; |
79072805 LW |
3470 | s++; |
3471 | return s; | |
3472 | case 'd': | |
f20b2998 | 3473 | forbid_setid('d', FALSE); |
4633a7c4 | 3474 | s++; |
2cbb2ee1 RGS |
3475 | |
3476 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3477 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3478 | ++s; |
3479 | my_setenv("PERL5DB_THREADED", "1"); | |
3480 | } | |
3481 | ||
70c94a19 RR |
3482 | /* The following permits -d:Mod to accepts arguments following an = |
3483 | in the fashion that -MSome::Mod does. */ | |
3484 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3485 | const char *start; |
3486 | const char *end; | |
3487 | SV *sv; | |
3488 | ||
3489 | if (*++s == '-') { | |
3490 | ++s; | |
3491 | sv = newSVpvs("no Devel::"); | |
3492 | } else { | |
3493 | sv = newSVpvs("use Devel::"); | |
3494 | } | |
3495 | ||
3496 | start = s; | |
3497 | end = s + strlen(s); | |
f85893a1 | 3498 | |
b19934fb | 3499 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3500 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3501 | if (*s != '=') |
f85893a1 | 3502 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3503 | else { |
3504 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3505 | /* Don't use NUL as q// delimiter here, this string goes in the |
3506 | * environment. */ | |
3507 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3508 | } |
f85893a1 | 3509 | s = end; |
184f32ec | 3510 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3511 | SvREFCNT_dec(sv); |
4633a7c4 | 3512 | } |
ed094faf | 3513 | if (!PL_perldb) { |
3280af22 | 3514 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3515 | init_debugger(); |
ed094faf | 3516 | } |
79072805 LW |
3517 | return s; |
3518 | case 'D': | |
0453d815 | 3519 | { |
79072805 | 3520 | #ifdef DEBUGGING |
f20b2998 | 3521 | forbid_setid('D', FALSE); |
b4ab917c | 3522 | s++; |
dd374669 | 3523 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3524 | #else /* !DEBUGGING */ |
0453d815 | 3525 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3526 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3527 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3528 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3529 | #endif |
79072805 | 3530 | return s; |
2b5060ae | 3531 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3532 | } |
4633a7c4 | 3533 | case 'h': |
b6f82619 | 3534 | usage(); |
2b5060ae DM |
3535 | NOT_REACHED; /* NOTREACHED */ |
3536 | ||
79072805 | 3537 | case 'i': |
43c5f42d | 3538 | Safefree(PL_inplace); |
5ef5d758 | 3539 | { |
d4c19fe8 | 3540 | const char * const start = ++s; |
5ef5d758 NC |
3541 | while (*s && !isSPACE(*s)) |
3542 | ++s; | |
3543 | ||
3544 | PL_inplace = savepvn(start, s - start); | |
3545 | } | |
fb73857a | 3546 | return s; |
4e49a025 | 3547 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3548 | forbid_setid('I', FALSE); |
fb73857a | 3549 | ++s; |
3550 | while (*s && isSPACE(*s)) | |
3551 | ++s; | |
3552 | if (*s) { | |
c7030b81 | 3553 | const char *e, *p; |
0df16ed7 GS |
3554 | p = s; |
3555 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3556 | do { | |
3557 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3558 | p = e; | |
3559 | while (isSPACE(*p)) | |
3560 | p++; | |
3561 | } while (*p && *p != '-'); | |
55b4bc1c | 3562 | incpush(s, e-s, |
e28f3139 | 3563 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3564 | s = p; |
3565 | if (*s == '-') | |
3566 | s++; | |
79072805 LW |
3567 | } |
3568 | else | |
a67e862a | 3569 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3570 | return s; |
79072805 | 3571 | case 'l': |
3280af22 | 3572 | PL_minus_l = TRUE; |
79072805 | 3573 | s++; |
7889fe52 NIS |
3574 | if (PL_ors_sv) { |
3575 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3576 | PL_ors_sv = NULL; |
7889fe52 | 3577 | } |
79072805 | 3578 | if (isDIGIT(*s)) { |
53305cf1 | 3579 | I32 flags = 0; |
a3b680e6 | 3580 | STRLEN numlen; |
396482e1 | 3581 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3582 | numlen = 3 + (*s == '0'); |
3583 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3584 | s += numlen; |
3585 | } | |
3586 | else { | |
8bfdd7d9 | 3587 | if (RsPARA(PL_rs)) { |
396482e1 | 3588 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3589 | } |
3590 | else { | |
8bfdd7d9 | 3591 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3592 | } |
79072805 LW |
3593 | } |
3594 | return s; | |
1a30305b | 3595 | case 'M': |
f20b2998 | 3596 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3597 | /* FALLTHROUGH */ |
1a30305b | 3598 | case 'm': |
f20b2998 | 3599 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3600 | if (*++s) { |
c7030b81 | 3601 | const char *start; |
b64cb68c | 3602 | const char *end; |
11343788 | 3603 | SV *sv; |
e1ec3a88 | 3604 | const char *use = "use "; |
0544e6df | 3605 | bool colon = FALSE; |
a5f75d66 | 3606 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3607 | /* Leading space on " no " is deliberate, to make both |
3608 | possibilities the same length. */ | |
3609 | if (*s == '-') { use = " no "; ++s; } | |
3610 | sv = newSVpvn(use,4); | |
a5f75d66 | 3611 | start = s; |
1a30305b | 3612 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3613 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3614 | if( *s++ == ':' ) { |
3615 | if( *s == ':' ) | |
3616 | s++; | |
3617 | else | |
3618 | colon = TRUE; | |
3619 | } | |
3620 | } | |
3621 | if (s == start) | |
3622 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3623 | option); | |
3624 | if (colon) | |
3625 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3626 | "contains single ':'", | |
63da6837 | 3627 | (int)(s - start), start, option); |
b64cb68c | 3628 | end = s + strlen(s); |
c07a80fd | 3629 | if (*s != '=') { |
b64cb68c | 3630 | sv_catpvn(sv, start, end - start); |
0544e6df | 3631 | if (option == 'm') { |
c07a80fd | 3632 | if (*s != '\0') |
cea2e8a9 | 3633 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3634 | sv_catpvs( sv, " ()"); |
c07a80fd | 3635 | } |
3636 | } else { | |
11343788 | 3637 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3638 | /* Use NUL as q''-delimiter. */ |
3639 | sv_catpvs(sv, " split(/,/,q\0"); | |
3640 | ++s; | |
3641 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3642 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3643 | } |
b64cb68c | 3644 | s = end; |
29a861e7 | 3645 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3646 | } |
3647 | else | |
0544e6df | 3648 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3649 | return s; |
79072805 | 3650 | case 'n': |
3280af22 | 3651 | PL_minus_n = TRUE; |
79072805 LW |
3652 | s++; |
3653 | return s; | |
3654 | case 'p': | |
3280af22 | 3655 | PL_minus_p = TRUE; |
79072805 LW |
3656 | s++; |
3657 | return s; | |
3658 | case 's': | |
f20b2998 | 3659 | forbid_setid('s', FALSE); |
3280af22 | 3660 | PL_doswitches = TRUE; |
79072805 LW |
3661 | s++; |
3662 | return s; | |
6537fe72 | 3663 | case 't': |
27a6968b | 3664 | case 'T': |
dc6d7f5c | 3665 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3666 | /* silently ignore */ |
dc6d7f5c | 3667 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3668 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3669 | "Cowardly refusing to run with -t or -T flags"); |
3670 | #else | |
3671 | if (!TAINTING_get) | |
27a6968b | 3672 | TOO_LATE_FOR(*s); |
284167a5 | 3673 | #endif |
6537fe72 | 3674 | s++; |
463ee0b2 | 3675 | return s; |
79072805 | 3676 | case 'u': |
3280af22 | 3677 | PL_do_undump = TRUE; |
79072805 LW |
3678 | s++; |
3679 | return s; | |
3680 | case 'U': | |
3280af22 | 3681 | PL_unsafe = TRUE; |
79072805 LW |
3682 | s++; |
3683 | return s; | |
3684 | case 'v': | |
c4bc78d9 NC |
3685 | minus_v(); |
3686 | case 'w': | |
3687 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3688 | PL_dowarn |= G_WARN_ON; | |
3689 | } | |
3690 | s++; | |
3691 | return s; | |
3692 | case 'W': | |
3693 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3694 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3695 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3696 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3697 | s++; | |
3698 | return s; | |
3699 | case 'X': | |
3700 | PL_dowarn = G_WARN_ALL_OFF; | |
3701 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3702 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3703 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3704 | s++; | |
3705 | return s; | |
3706 | case '*': | |
3707 | case ' ': | |
3708 | while( *s == ' ' ) | |
3709 | ++s; | |
3710 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3711 | return s+1; | |
3712 | break; | |
3713 | case '-': | |
3714 | case 0: | |
3715 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3716 | case '\r': | |
3717 | #endif | |
3718 | case '\n': | |
3719 | case '\t': | |
3720 | break; | |
3721 | #ifdef ALTERNATE_SHEBANG | |
3722 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3723 | break; | |
3724 | #endif | |
4bb78d63 CB |
3725 | case 'e': case 'f': case 'x': case 'E': |
3726 | #ifndef ALTERNATE_SHEBANG | |
3727 | case 'S': | |
3728 | #endif | |
3729 | case 'V': | |
c4bc78d9 | 3730 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3731 | default: |
3732 | Perl_croak(aTHX_ | |
3733 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3734 | ); | |
c4bc78d9 NC |
3735 | } |
3736 | return NULL; | |
3737 | } | |
3738 | ||
3739 | ||
3740 | STATIC void | |
3741 | S_minus_v(pTHX) | |
3742 | { | |
fc3381af | 3743 | PerlIO * PIO_stdout; |
46807d8e | 3744 | { |
709aee94 DD |
3745 | const char * const level_str = "v" PERL_VERSION_STRING; |
3746 | const STRLEN level_len = sizeof("v" PERL_VERSION_STRING)-1; | |
46807d8e | 3747 | #ifdef PERL_PATCHNUM |
709aee94 | 3748 | SV* level; |
23d483e2 | 3749 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
709aee94 | 3750 | static const char num [] = PERL_PATCHNUM "*"; |
23d483e2 | 3751 | # else |
709aee94 | 3752 | static const char num [] = PERL_PATCHNUM; |
23d483e2 | 3753 | # endif |
fc3381af | 3754 | { |
709aee94 DD |
3755 | const STRLEN num_len = sizeof(num)-1; |
3756 | /* A very advanced compiler would fold away the strnEQ | |
3757 | and this whole conditional, but most (all?) won't do it. | |
3758 | SV level could also be replaced by with preprocessor | |
3759 | catenation. | |
3760 | */ | |
3761 | if (num_len >= level_len && strnEQ(num,level_str,level_len)) { | |
3762 | /* per 46807d8e80, PERL_PATCHNUM is outside of the control | |
3763 | of the interp so it might contain format characters | |
3764 | */ | |
3765 | level = newSVpvn(num, num_len); | |
fc3381af | 3766 | } else { |
709aee94 | 3767 | level = Perl_newSVpvf_nocontext("%s (%s)", level_str, num); |
fc3381af | 3768 | } |
46807d8e | 3769 | } |
709aee94 DD |
3770 | #else |
3771 | SV* level = newSVpvn(level_str, level_len); | |
3772 | #endif /* #ifdef PERL_PATCHNUM */ | |
fc3381af DD |
3773 | PIO_stdout = PerlIO_stdout(); |
3774 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3775 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3776 | ", version " STRINGIFY(PERL_VERSION) | |
3777 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
147e3846 | 3778 | " (%" SVf ") built for " ARCHNAME, SVfARG(level) |
ded326e4 | 3779 | ); |
709aee94 | 3780 | SvREFCNT_dec_NN(level); |
46807d8e | 3781 | } |
fb73857a | 3782 | #if defined(LOCAL_PATCH_COUNT) |
3783 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3784 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3785 | "\n(with %d registered patch%s, " |
3786 | "see perl -V for more detail)", | |
bb7a0f54 | 3787 | LOCAL_PATCH_COUNT, |
b0e47665 | 3788 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3789 | #endif |
1a30305b | 3790 | |
fc3381af | 3791 | PerlIO_printf(PIO_stdout, |
4a29172e | 3792 | "\n\nCopyright 1987-2019, Larry Wall\n"); |
79072805 | 3793 | #ifdef MSDOS |
fc3381af | 3794 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3795 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3796 | #endif |
3797 | #ifdef DJGPP | |
fc3381af | 3798 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3799 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3800 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3801 | #endif |
79072805 | 3802 | #ifdef OS2 |
fc3381af | 3803 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3804 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3805 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3806 | #endif |
9d116dd7 | 3807 | #ifdef OEMVS |
fc3381af | 3808 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3809 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3810 | #endif |
495c5fdc | 3811 | #ifdef __VOS__ |
fc3381af | 3812 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3813 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3814 | #endif |
a1a0e61e | 3815 | #ifdef POSIX_BC |
fc3381af | 3816 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3817 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3818 | #endif |
a0fd4948 | 3819 | #ifdef __SYMBIAN32__ |
fc3381af | 3820 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3821 | "Symbian port by Nokia, 2004-2005\n"); |
3822 | #endif | |
baed7233 DL |
3823 | #ifdef BINARY_BUILD_NOTICE |
3824 | BINARY_BUILD_NOTICE; | |
3825 | #endif | |
fc3381af | 3826 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3827 | "\n\ |
79072805 | 3828 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3829 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3830 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3831 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3832 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3833 | my_exit(0); |
79072805 LW |
3834 | } |
3835 | ||
3836 | /* compliments of Tom Christiansen */ | |
3837 | ||
3838 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3839 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3840 | |
25bbd826 CB |
3841 | #ifdef VMS |
3842 | #include <lib$routines.h> | |
3843 | #endif | |
3844 | ||
79072805 | 3845 | void |
864dbfa3 | 3846 | Perl_my_unexec(pTHX) |
79072805 LW |
3847 | { |
3848 | #ifdef UNEXEC | |
b37c2d43 AL |
3849 | SV * prog = newSVpv(BIN_EXP, 0); |
3850 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3851 | int status = 1; |
79072805 LW |
3852 | extern int etext; |
3853 | ||
396482e1 | 3854 | sv_catpvs(prog, "/perl"); |
396482e1 | 3855 | sv_catpvs(file, ".perldump"); |
79072805 | 3856 | |
ee580363 GS |
3857 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3858 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3859 | PerlProc_exit(status); |
79072805 | 3860 | #else |
ddeaf645 | 3861 | PERL_UNUSED_CONTEXT; |
a5f75d66 | 3862 | # ifdef VMS |
a5f75d66 | 3863 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 | 3864 | # elif defined(WIN32) || defined(__CYGWIN__) |
ddeaf645 | 3865 | Perl_croak_nocontext("dump is not supported"); |
aa689395 | 3866 | # else |
79072805 | 3867 | ABORT(); /* for use with undump */ |
aa689395 | 3868 | # endif |
a5f75d66 | 3869 | #endif |
79072805 LW |
3870 | } |
3871 | ||
cb68f92d GS |
3872 | /* initialize curinterp */ |
3873 | STATIC void | |
cea2e8a9 | 3874 | S_init_interp(pTHX) |
cb68f92d | 3875 | { |
acfe0abc | 3876 | #ifdef MULTIPLICITY |
115ff745 NC |
3877 | # define PERLVAR(prefix,var,type) |
3878 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3879 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3880 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3881 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3882 | # else |
115ff745 NC |
3883 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3884 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3885 | # endif |
acfe0abc | 3886 | # include "intrpvar.h" |
acfe0abc GS |
3887 | # undef PERLVAR |
3888 | # undef PERLVARA | |
3889 | # undef PERLVARI | |
3890 | # undef PERLVARIC | |
3891 | #else | |
115ff745 NC |
3892 | # define PERLVAR(prefix,var,type) |
3893 | # define PERLVARA(prefix,var,n,type) | |
3894 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3895 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3896 | # include "intrpvar.h" |
acfe0abc GS |
3897 | # undef PERLVAR |
3898 | # undef PERLVARA | |
3899 | # undef PERLVARI | |
3900 | # undef PERLVARIC | |
cb68f92d GS |
3901 | #endif |
3902 | ||
cb68f92d GS |
3903 | } |
3904 | ||
76e3520e | 3905 | STATIC void |
cea2e8a9 | 3906 | S_init_main_stash(pTHX) |
79072805 | 3907 | { |
463ee0b2 | 3908 | GV *gv; |
9842f1a0 | 3909 | HV *hv = newHV(); |
6e72f9df | 3910 | |
9842f1a0 | 3911 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(hv); |
23579a14 NC |
3912 | /* We know that the string "main" will be in the global shared string |
3913 | table, so it's a small saving to use it rather than allocate another | |
3914 | 8 bytes. */ | |
18916d0d | 3915 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3916 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3917 | /* If we hadn't caused another reference to "main" to be in the shared |
3918 | string table above, then it would be worth reordering these two, | |
3919 | because otherwise all we do is delete "main" from it as a consequence | |
3920 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3921 | SvREFCNT_dec(GvHV(gv)); |
854da30f | 3922 | hv_name_sets(PL_defstash, "main", 0); |
85fbaab2 | 3923 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3924 | SvREADONLY_on(gv); |
fafc274c NC |
3925 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3926 | SVt_PVAV))); | |
5a5094bd | 3927 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3928 | GvMULTI_on(PL_incgv); |
fafc274c | 3929 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3930 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3931 | GvMULTI_on(PL_hintgv); |
fafc274c | 3932 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3933 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3934 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3935 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3936 | GvMULTI_on(PL_errgv); |
fafc274c | 3937 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3938 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3939 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3940 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 | 3941 | #ifdef PERL_DONT_CREATE_GVSV |
689fbe18 | 3942 | (void)gv_SVadd(PL_errgv); |
c69033f2 | 3943 | #endif |
38a03e6e | 3944 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3945 | CLEAR_ERRSV(); |
11faa288 | 3946 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3947 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3948 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3949 | SVt_PVHV)); | |
4633a7c4 | 3950 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3951 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3952 | } |
3953 | ||
8d113837 NC |
3954 | STATIC PerlIO * |
3955 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3956 | { |
fdf5d70d | 3957 | int fdscript = -1; |
8d113837 | 3958 | PerlIO *rsfp = NULL; |
1dfef69b | 3959 | Stat_t tmpstatbuf; |
375ed12a | 3960 | int fd; |
1b24ed4b | 3961 | |
7918f24d NC |
3962 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3963 | ||
3280af22 | 3964 | if (PL_e_script) { |
8afc33d6 | 3965 | PL_origfilename = savepvs("-e"); |
96436eeb | 3966 | } |
6c4ab083 | 3967 | else { |
22ff3130 HS |
3968 | const char *s; |
3969 | UV uv; | |
6c4ab083 | 3970 | /* if find_script() returns, it returns a malloc()-ed value */ |
dd374669 | 3971 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
5d4a52b5 | 3972 | s = scriptname + strlen(scriptname); |
6c4ab083 | 3973 | |
c8b388b0 | 3974 | if (strBEGINs(scriptname, "/dev/fd/") |
22ff3130 HS |
3975 | && isDIGIT(scriptname[8]) |
3976 | && grok_atoUV(scriptname + 8, &uv, &s) | |
3977 | && uv <= PERL_INT_MAX | |
3978 | ) { | |
3979 | fdscript = (int)uv; | |
6c4ab083 | 3980 | if (*s) { |
ae3f3efd PS |
3981 | /* PSz 18 Feb 04 |
3982 | * Tell apart "normal" usage of fdscript, e.g. | |
3983 | * with bash on FreeBSD: | |
3984 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3985 | * from usage in suidperl. | |
3986 | * Does any "normal" usage leave garbage after the number??? | |
3987 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3988 | * suidperl? | |
3989 | */ | |
f20b2998 | 3990 | *suidscript = TRUE; |
ae3f3efd PS |
3991 | /* PSz 20 Feb 04 |
3992 | * Be supersafe and do some sanity-checks. | |
3993 | * Still, can we be sure we got the right thing? | |
3994 | */ | |
3995 | if (*s != '/') { | |
3996 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3997 | } | |
3998 | if (! *(s+1)) { | |
3999 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
4000 | } | |
6c4ab083 | 4001 | scriptname = savepv(s + 1); |
3280af22 | 4002 | Safefree(PL_origfilename); |
dd374669 | 4003 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
4004 | } |
4005 | } | |
4006 | } | |
4007 | ||
05ec9bb3 | 4008 | CopFILE_free(PL_curcop); |
57843af0 | 4009 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 4010 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 4011 | scriptname = (char *)""; |
fdf5d70d | 4012 | if (fdscript >= 0) { |
8d113837 | 4013 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 4014 | } |
79072805 | 4015 | else if (!*scriptname) { |
cdd8118e | 4016 | forbid_setid(0, *suidscript); |
c0b3891a | 4017 | return NULL; |
79072805 | 4018 | } |
96436eeb | 4019 | else { |
9c12f1e5 RGS |
4020 | #ifdef FAKE_BIT_BUCKET |
4021 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
4022 | * is called) and still have the "-e" work. (Believe it or not, | |
4023 | * a /dev/null is required for the "-e" to work because source | |
4024 | * filter magic is used to implement it. ) This is *not* a general | |
4025 | * replacement for a /dev/null. What we do here is create a temp | |
4026 | * file (an empty file), open up that as the script, and then | |
4027 | * immediately close and unlink it. Close enough for jazz. */ | |
4028 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
4029 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
4030 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
4031 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
4032 | FAKE_BIT_BUCKET_TEMPLATE | |
4033 | }; | |
4034 | const char * const err = "Failed to create a fake bit bucket"; | |
4035 | if (strEQ(scriptname, BIT_BUCKET)) { | |
d681a35f | 4036 | int tmpfd = Perl_my_mkstemp_cloexec(tmpname); |
9c12f1e5 RGS |
4037 | if (tmpfd > -1) { |
4038 | scriptname = tmpname; | |
4039 | close(tmpfd); | |
4040 | } else | |
4041 | Perl_croak(aTHX_ err); | |
9c12f1e5 RGS |
4042 | } |
4043 | #endif | |
8d113837 | 4044 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 | 4045 | #ifdef FAKE_BIT_BUCKET |
f55ac4a4 KW |
4046 | if ( strBEGINs(scriptname, FAKE_BIT_BUCKET_PREFIX) |
4047 | && strlen(scriptname) == sizeof(tmpname) - 1) | |
4048 | { | |
9c12f1e5 RGS |
4049 | unlink(scriptname); |
4050 | } | |
4051 | scriptname = BIT_BUCKET; | |
4052 | #endif | |
96436eeb | 4053 | } |
8d113837 | 4054 | if (!rsfp) { |
447218f8 | 4055 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 | 4056 | if (PL_e_script) |
147e3846 | 4057 | Perl_croak(aTHX_ "Can't open " BIT_BUCKET ": %s\n", Strerror(errno)); |
b1681ed3 RGS |
4058 | else |
4059 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
4060 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 4061 | } |
375ed12a | 4062 | fd = PerlIO_fileno(rsfp); |
1dfef69b | 4063 | |
375ed12a JH |
4064 | if (fd < 0 || |
4065 | (PerlLIO_fstat(fd, &tmpstatbuf) >= 0 | |
4066 | && S_ISDIR(tmpstatbuf.st_mode))) | |
1dfef69b RS |
4067 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
4068 | CopFILE(PL_curcop), | |
0c0d42ff | 4069 | Strerror(EISDIR)); |
1dfef69b | 4070 | |
8d113837 | 4071 | return rsfp; |
79072805 | 4072 | } |
8d063cd8 | 4073 | |
83a320f0 AC |
4074 | /* In the days of suidperl, we refused to execute a setuid script stored on |
4075 | * a filesystem mounted nosuid and/or noexec. This meant that we probed for the | |
4076 | * existence of the appropriate filesystem-statting function, and behaved | |
4077 | * accordingly. But even though suidperl is long gone, we must still include | |
4078 | * those probes for the benefit of modules like Filesys::Df, which expect the | |
4079 | * results of those probes to be stored in %Config; see RT#126368. So mention | |
4080 | * the relevant cpp symbols here, to ensure that metaconfig will include their | |
4081 | * probes in the generated Configure: | |
4082 | * | |
ea442100 JH |
4083 | * I_SYSSTATVFS HAS_FSTATVFS |
4084 | * I_SYSMOUNT | |
4085 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT | |
4086 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
83a320f0 | 4087 | */ |
ea442100 JH |
4088 | |
4089 | ||
cc69b689 | 4090 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 4091 | /* Don't even need this function. */ |
cc69b689 | 4092 | #else |
ec2019ad NC |
4093 | STATIC void |
4094 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
4095 | { | |
dfff4baf BF |
4096 | const Uid_t my_uid = PerlProc_getuid(); |
4097 | const Uid_t my_euid = PerlProc_geteuid(); | |
4098 | const Gid_t my_gid = PerlProc_getgid(); | |
4099 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 4100 | |
ac076a5c NC |
4101 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
4102 | ||
985213f2 | 4103 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da | 4104 | dVAR; |
375ed12a | 4105 | int fd = PerlIO_fileno(rsfp); |
45a23732 DD |
4106 | Stat_t statbuf; |
4107 | if (fd < 0 || PerlLIO_fstat(fd, &statbuf) < 0) { /* may be either wrapped or real suid */ | |
4108 | Perl_croak_nocontext( "Illegal suidscript"); | |
375ed12a | 4109 | } |
45a23732 | 4110 | if ((my_euid != my_uid && my_euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
375ed12a | 4111 | || |
45a23732 | 4112 | (my_egid != my_gid && my_egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
375ed12a | 4113 | ) |
b28d0864 | 4114 | if (!PL_do_undump) |
cea2e8a9 | 4115 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 4116 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 4117 | /* not set-id, must be wrapped */ |
a687059c | 4118 | } |
79072805 | 4119 | } |
cc69b689 | 4120 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 4121 | |
76e3520e | 4122 | STATIC void |
2f9285f8 | 4123 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 4124 | { |
c7030b81 | 4125 | const char *s; |
eb578fdb | 4126 | const char *s2; |
33b78306 | 4127 | |
7918f24d NC |
4128 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
4129 | ||
33b78306 LW |
4130 | /* skip forward in input to the real script? */ |
4131 | ||
737c24fc | 4132 | do { |
2f9285f8 | 4133 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 4134 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 4135 | s2 = s; |
737c24fc Z |
4136 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
4137 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
4138 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
4139 | s2 = s; | |
4140 | while (*s == ' ' || *s == '\t') s++; | |
4141 | if (*s++ == '-') { | |
4142 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
4143 | || s2[-1] == '_') s2--; | |
c8b388b0 | 4144 | if (strBEGINs(s2-4,"perl")) |
737c24fc Z |
4145 | while ((s = moreswitches(s))) |
4146 | ; | |
83025b21 LW |
4147 | } |
4148 | } | |
4149 | ||
afe37c7d | 4150 | |
76e3520e | 4151 | STATIC void |
cea2e8a9 | 4152 | S_init_ids(pTHX) |
352d5a3a | 4153 | { |
284167a5 S |
4154 | /* no need to do anything here any more if we don't |
4155 | * do tainting. */ | |
dc6d7f5c | 4156 | #ifndef NO_TAINT_SUPPORT |
dfff4baf BF |
4157 | const Uid_t my_uid = PerlProc_getuid(); |
4158 | const Uid_t my_euid = PerlProc_geteuid(); | |
4159 | const Gid_t my_gid = PerlProc_getgid(); | |
4160 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 4161 | |
20b7effb JH |
4162 | PERL_UNUSED_CONTEXT; |
4163 | ||
22f7c9c9 | 4164 | /* Should not happen: */ |
985213f2 | 4165 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
4166 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
4167 | #endif | |
ae3f3efd PS |
4168 | /* BUG */ |
4169 | /* PSz 27 Feb 04 | |
4170 | * Should go by suidscript, not uid!=euid: why disallow | |
4171 | * system("ls") in scripts run from setuid things? | |
4172 | * Or, is this run before we check arguments and set suidscript? | |
4173 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
4174 | * (We never have suidscript, can we be sure to have fdscript?) | |
4175 | * Or must then go by UID checks? See comments in forbid_setid also. | |
4176 | */ | |
748a9306 | 4177 | } |
79072805 | 4178 | |
a0643315 JH |
4179 | /* This is used very early in the lifetime of the program, |
4180 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4181 | * not been initialized properly. */ |
af419de7 | 4182 | bool |
8f42b153 | 4183 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4184 | { |
c3446a78 JH |
4185 | #ifndef PERL_IMPLICIT_SYS |
4186 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4187 | * before we have an interpreter-- and the whole point of this | |
4188 | * function is to be called at such an early stage. If you are on | |
4189 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4190 | * "tainted because running with altered effective ids', you'll | |
4191 | * have to add your own checks somewhere in here. The two most | |
4192 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4193 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
4194 | Uid_t uid = PerlProc_getuid(); |
4195 | Uid_t euid = PerlProc_geteuid(); | |
4196 | Gid_t gid = PerlProc_getgid(); | |
4197 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 4198 | (void)envp; |
22f7c9c9 JH |
4199 | |
4200 | #ifdef VMS | |
af419de7 | 4201 | uid |= gid << 16; |
22f7c9c9 JH |
4202 | euid |= egid << 16; |
4203 | #endif | |
4204 | if (uid && (euid != uid || egid != gid)) | |
4205 | return 1; | |
c3446a78 | 4206 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4207 | /* This is a really primitive check; environment gets ignored only |
4208 | * if -T are the first chars together; otherwise one gets | |
4209 | * "Too late" message. */ | |
22f7c9c9 | 4210 | if ( argc > 1 && argv[1][0] == '-' |
305b8651 | 4211 | && isALPHA_FOLD_EQ(argv[1][1], 't')) |
22f7c9c9 JH |
4212 | return 1; |
4213 | return 0; | |
4214 | } | |
22f7c9c9 | 4215 | |
d0bafe7e NC |
4216 | /* Passing the flag as a single char rather than a string is a slight space |
4217 | optimisation. The only message that isn't /^-.$/ is | |
4218 | "program input from stdin", which is substituted in place of '\0', which | |
4219 | could never be a command line flag. */ | |
76e3520e | 4220 | STATIC void |
f20b2998 | 4221 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 4222 | { |
d0bafe7e NC |
4223 | char string[3] = "-x"; |
4224 | const char *message = "program input from stdin"; | |
4225 | ||
20b7effb | 4226 | PERL_UNUSED_CONTEXT; |
d0bafe7e NC |
4227 | if (flag) { |
4228 | string[1] = flag; | |
4229 | message = string; | |
4230 | } | |
4231 | ||
ae3f3efd | 4232 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 4233 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 4234 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 4235 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 4236 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 4237 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 4238 | if (suidscript) |
d0bafe7e | 4239 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 4240 | } |
4241 | ||
1ee4443e | 4242 | void |
5b235299 NC |
4243 | Perl_init_dbargs(pTHX) |
4244 | { | |
4245 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
4246 | GV_ADDMULTI, | |
4247 | SVt_PVAV)))); | |
4248 | ||
4249 | if (AvREAL(args)) { | |
4250 | /* Someone has already created it. | |
4251 | It might have entries, and if we just turn off AvREAL(), they will | |
4252 | "leak" until global destruction. */ | |
4253 | av_clear(args); | |
3df49e2a | 4254 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 4255 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 4256 | } |
af80dd86 | 4257 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
4258 | } |
4259 | ||
4260 | void | |
1ee4443e | 4261 | Perl_init_debugger(pTHX) |
748a9306 | 4262 | { |
c4420975 | 4263 | HV * const ostash = PL_curstash; |
a6d69523 | 4264 | MAGIC *mg; |
1ee4443e | 4265 | |
03d9f026 | 4266 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
4267 | |
4268 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
4269 | PL_DBgv = MUTABLE_GV( |
4270 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
4271 | ); | |
4272 | PL_DBline = MUTABLE_GV( | |
4273 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
4274 | ); | |
4275 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
4276 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
4277 | )); | |
5c1737d1 | 4278 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4279 | if (!SvIOK(PL_DBsingle)) |
4280 | sv_setiv(PL_DBsingle, 0); | |
a6d69523 TC |
4281 | mg = sv_magicext(PL_DBsingle, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4282 | mg->mg_private = DBVARMG_SINGLE; | |
4283 | SvSETMAGIC(PL_DBsingle); | |
4284 | ||
5c1737d1 | 4285 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4286 | if (!SvIOK(PL_DBtrace)) |
4287 | sv_setiv(PL_DBtrace, 0); | |
a6d69523 TC |
4288 | mg = sv_magicext(PL_DBtrace, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4289 | mg->mg_private = DBVARMG_TRACE; | |
4290 | SvSETMAGIC(PL_DBtrace); | |
4291 | ||
5c1737d1 | 4292 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4293 | if (!SvIOK(PL_DBsignal)) |
4294 | sv_setiv(PL_DBsignal, 0); | |
a6d69523 TC |
4295 | mg = sv_magicext(PL_DBsignal, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4296 | mg->mg_private = DBVARMG_SIGNAL; | |
4297 | SvSETMAGIC(PL_DBsignal); | |
4298 | ||
03d9f026 | 4299 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 4300 | PL_curstash = ostash; |
352d5a3a LW |
4301 | } |
4302 | ||
2ce36478 SM |
4303 | #ifndef STRESS_REALLOC |
4304 | #define REASONABLE(size) (size) | |
0ff72558 | 4305 | #define REASONABLE_but_at_least(size,min) (size) |
2ce36478 SM |
4306 | #else |
4307 | #define REASONABLE(size) (1) /* unreasonable */ | |
0ff72558 | 4308 | #define REASONABLE_but_at_least(size,min) (min) |
2ce36478 SM |
4309 | #endif |
4310 | ||
11343788 | 4311 | void |
cea2e8a9 | 4312 | Perl_init_stacks(pTHX) |
79072805 | 4313 | { |
3caf0269 DM |
4314 | SSize_t size; |
4315 | ||
e336de0d | 4316 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4317 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4318 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 | 4319 | PL_curstackinfo->si_type = PERLSI_MAIN; |
d5910a3d DM |
4320 | #if defined DEBUGGING && !defined DEBUGGING_RE_ONLY |
4321 | PL_curstackinfo->si_stack_hwm = 0; | |
4322 | #endif | |
3280af22 NIS |
4323 | PL_curstack = PL_curstackinfo->si_stack; |
4324 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4325 | |
3280af22 NIS |
4326 | PL_stack_base = AvARRAY(PL_curstack); |
4327 | PL_stack_sp = PL_stack_base; | |
4328 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4329 | |
a02a5408 | 4330 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4331 | PL_tmps_floor = -1; |
4332 | PL_tmps_ix = -1; | |
4333 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4334 | |
a02a5408 | 4335 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4336 | PL_markstack_ptr = PL_markstack; |
4337 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4338 | |
ce2f7c3b | 4339 | SET_MARK_OFFSET; |
e336de0d | 4340 | |
a02a5408 | 4341 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4342 | #ifdef DEBUGGING |
4343 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4344 | #endif | |
3280af22 NIS |
4345 | PL_scopestack_ix = 0; |
4346 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4347 | |
3caf0269 DM |
4348 | size = REASONABLE_but_at_least(128,SS_MAXPUSH); |
4349 | Newx(PL_savestack, size, ANY); | |
3280af22 | 4350 | PL_savestack_ix = 0; |
3caf0269 DM |
4351 | /*PL_savestack_max lies: it always has SS_MAXPUSH more than it claims */ |
4352 | PL_savestack_max = size - SS_MAXPUSH; | |
378cc40b | 4353 | } |
33b78306 | 4354 | |
2ce36478 SM |
4355 | #undef REASONABLE |
4356 | ||
76e3520e | 4357 | STATIC void |
cea2e8a9 | 4358 | S_nuke_stacks(pTHX) |
6e72f9df | 4359 | { |
3280af22 NIS |
4360 | while (PL_curstackinfo->si_next) |
4361 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4362 | while (PL_curstackinfo) { | |
4363 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4364 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4365 | Safefree(PL_curstackinfo->si_cxstack); |
4366 | Safefree(PL_curstackinfo); | |
4367 | PL_curstackinfo = p; | |
e336de0d | 4368 | } |
3280af22 NIS |
4369 | Safefree(PL_tmps_stack); |
4370 | Safefree(PL_markstack); | |
4371 | Safefree(PL_scopestack); | |
58780814 GG |
4372 | #ifdef DEBUGGING |
4373 | Safefree(PL_scopestack_name); | |
4374 | #endif | |
3280af22 | 4375 | Safefree(PL_savestack); |
378cc40b | 4376 | } |
33b78306 | 4377 | |
74e8ce34 NC |
4378 | void |
4379 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4380 | { | |
4381 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4382 | AV *const isa = GvAVn(gv); | |
4383 | va_list args; | |
4384 | ||
4385 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4386 | ||
4387 | if(AvFILLp(isa) != -1) | |
4388 | return; | |
4389 | ||
4390 | /* NOTE: No support for tied ISA */ | |
4391 | ||
4392 | va_start(args, len); | |
4393 | do { | |
4394 | const char *const parent = va_arg(args, const char*); | |
4395 | size_t parent_len; | |
4396 | ||
4397 | if (!parent) | |
4398 | break; | |
4399 | parent_len = va_arg(args, size_t); | |
4400 | ||
4401 | /* Arguments are supplied with a trailing :: */ | |
4402 | assert(parent_len > 2); | |
4403 | assert(parent[parent_len - 1] == ':'); | |
4404 | assert(parent[parent_len - 2] == ':'); | |
4405 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4406 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4407 | } while (1); | |
4408 | va_end(args); | |
4409 | } | |
4410 | ||
8990e307 | 4411 | |
76e3520e | 4412 | STATIC void |
cea2e8a9 | 4413 | S_init_predump_symbols(pTHX) |
45d8adaa | 4414 | { |
93a17b20 | 4415 | GV *tmpgv; |
af8c498a | 4416 | IO *io; |
79072805 | 4417 | |
64ace3f8 | 4418 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4419 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4420 | ||
d963bf01 NC |
4421 | |
4422 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4423 | FileHandle was loaded, in which case they were blessed into | |
4424 | that. Action at a distance. | |
4425 | However, if we simply bless into IO::Handle, we break code | |
4426 | that assumes that PVIOs will have (among others) a seek | |
4427 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4428 | and provides the needed methods. But if we simply bless into | |
4429 | it, then we break code that assumed that by loading | |
4430 | IO::Handle, *it* would work. | |
4431 | So a compromise is to set up the correct @IO::File::ISA, | |
4432 | so that code that does C<use IO::Handle>; will still work. | |
4433 | */ | |
4434 | ||
74e8ce34 NC |
4435 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4436 | STR_WITH_LEN("IO::Handle::"), | |
4437 | STR_WITH_LEN("IO::Seekable::"), | |
4438 | STR_WITH_LEN("Exporter::"), | |
4439 | NULL); | |
d963bf01 | 4440 | |
fafc274c | 4441 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4442 | GvMULTI_on(PL_stdingv); |
af8c498a | 4443 | io = GvIOp(PL_stdingv); |
a04651f4 | 4444 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4445 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4446 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4447 | GvMULTI_on(tmpgv); |
a45c7426 | 4448 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4449 | |
fafc274c | 4450 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4451 | GvMULTI_on(tmpgv); |
af8c498a | 4452 | io = GvIOp(tmpgv); |
a04651f4 | 4453 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4454 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4455 | setdefout(tmpgv); |
fafc274c | 4456 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4457 | GvMULTI_on(tmpgv); |
a45c7426 | 4458 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4459 | |
fafc274c | 4460 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4461 | GvMULTI_on(PL_stderrgv); |
4462 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4463 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4464 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4465 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4466 | GvMULTI_on(tmpgv); |
a45c7426 | 4467 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4468 | |
de61bf2a | 4469 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4470 | } |
33b78306 | 4471 | |
a11ec5a9 | 4472 | void |
5aaab254 | 4473 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4474 | { |
7918f24d NC |
4475 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; |
4476 | ||
79072805 | 4477 | argc--,argv++; /* skip name of script */ |
3280af22 | 4478 | if (PL_doswitches) { |
79072805 | 4479 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4480 | char *s; |
79072805 LW |
4481 | if (!argv[0][1]) |
4482 | break; | |
379d538a | 4483 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4484 | argc--,argv++; |
4485 | break; | |
4486 | } | |
155aba94 | 4487 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4488 | const char *const start_name = argv[0] + 1; |
4489 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4490 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4491 | } |
4492 | else | |
71315bf2 | 4493 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4494 | } |
79072805 | 4495 | } |
fafc274c | 4496 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4497 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4498 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4499 | av_clear(GvAVn(PL_argvgv)); |
4500 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4501 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4502 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4503 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4504 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4505 | SvUTF8_on(sv); | |
4506 | } | |
a05d7ebb JH |
4507 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4508 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4509 | } |
4510 | } | |
82f96200 JL |
4511 | |
4512 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4513 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4514 | "-i used with no filenames on the command line, " | |
4515 | "reading from STDIN"); | |
a11ec5a9 RGS |
4516 | } |
4517 | ||
4518 | STATIC void | |
5aaab254 | 4519 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4520 | { |
20b7effb | 4521 | #ifdef USE_ITHREADS |
27da23d5 | 4522 | dVAR; |
20b7effb | 4523 | #endif |
a11ec5a9 | 4524 | GV* tmpgv; |
a11ec5a9 | 4525 | |
7918f24d NC |
4526 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4527 | ||
f2da823f | 4528 | PL_toptarget = newSV_type(SVt_PVIV); |
854da30f | 4529 | SvPVCLEAR(PL_toptarget); |
f2da823f | 4530 | PL_bodytarget = newSV_type(SVt_PVIV); |
854da30f | 4531 | SvPVCLEAR(PL_bodytarget); |
3280af22 | 4532 | PL_formtarget = PL_bodytarget; |
79072805 | 4533 | |
bbce6d69 | 4534 | TAINT; |
a11ec5a9 RGS |
4535 | |
4536 | init_argv_symbols(argc,argv); | |
4537 | ||
fafc274c | 4538 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4539 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4540 | } |
fafc274c | 4541 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4542 | HV *hv; |
e17132c1 | 4543 | bool env_is_not_environ; |
cf93a474 | 4544 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4545 | GvMULTI_on(PL_envgv); |
4546 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4547 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4548 | #ifndef PERL_MICRO |
fa6a1c44 | 4549 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4550 | /* Note that if the supplied env parameter is actually a copy |
4551 | of the global environ then it may now point to free'd memory | |
4552 | if the environment has been modified since. To avoid this | |
4553 | problem we treat env==NULL as meaning 'use the default' | |
4554 | */ | |
4555 | if (!env) | |
4556 | env = environ; | |
e17132c1 JD |
4557 | env_is_not_environ = env != environ; |
4558 | if (env_is_not_environ | |
4efc5df6 GS |
4559 | # ifdef USE_ITHREADS |
4560 | && PL_curinterp == aTHX | |
4561 | # endif | |
4562 | ) | |
4563 | { | |
bd61b366 | 4564 | environ[0] = NULL; |
4efc5df6 | 4565 | } |
9b4eeda5 | 4566 | if (env) { |
9d27dca9 | 4567 | char *s, *old_var; |
ae37b791 | 4568 | STRLEN nlen; |
27da23d5 | 4569 | SV *sv; |
ae37b791 TC |
4570 | HV *dups = newHV(); |
4571 | ||
764df951 | 4572 | for (; *env; env++) { |
9d27dca9 MT |
4573 | old_var = *env; |
4574 | ||
4575 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4576 | continue; |
ae37b791 | 4577 | nlen = s - old_var; |
9d27dca9 | 4578 | |
7da0e383 | 4579 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4580 | *s = '\0'; |
9d27dca9 | 4581 | (void)strupr(old_var); |
61968511 | 4582 | *s = '='; |
137443ea | 4583 | #endif |
ae37b791 TC |
4584 | if (hv_exists(hv, old_var, nlen)) { |
4585 | const char *name = savepvn(old_var, nlen); | |
4586 | ||
4587 | /* make sure we use the same value as getenv(), otherwise code that | |
4588 | uses getenv() (like setlocale()) might see a different value to %ENV | |
4589 | */ | |
4590 | sv = newSVpv(PerlEnv_getenv(name), 0); | |
4591 | ||
4592 | /* keep a count of the dups of this name so we can de-dup environ later */ | |
4593 | if (hv_exists(dups, name, nlen)) | |
4594 | ++SvIVX(*hv_fetch(dups, name, nlen, 0)); | |
4595 | else | |
4596 | (void)hv_store(dups, name, nlen, newSViv(1), 0); | |
4597 | ||
4598 | Safefree(name); | |
4599 | } | |
4600 | else { | |
4601 | sv = newSVpv(s+1, 0); | |
4602 | } | |
4603 | (void)hv_store(hv, old_var, nlen, sv, 0); | |
e17132c1 | 4604 | if (env_is_not_environ) |
61968511 | 4605 | mg_set(sv); |
764df951 | 4606 | } |
ae37b791 TC |
4607 | if (HvKEYS(dups)) { |
4608 | /* environ has some duplicate definitions, remove them */ | |
4609 | HE *entry; | |
4610 | hv_iterinit(dups); | |
4611 | while ((entry = hv_iternext_flags(dups, 0))) { | |
4612 | STRLEN nlen; | |
4613 | const char *name = HePV(entry, nlen); | |
4614 | IV count = SvIV(HeVAL(entry)); | |
4615 | IV i; | |
4616 | SV **valp = hv_fetch(hv, name, nlen, 0); | |
4617 | ||
4618 | assert(valp); | |
4619 | ||
4620 | /* try to remove any duplicate names, depending on the | |
4621 | * implementation used in my_setenv() the iteration might | |
4622 | * not be necessary, but let's be safe. | |
4623 | */ | |
4624 | for (i = 0; i < count; ++i) | |
4625 | my_setenv(name, 0); | |
4626 | ||
4627 | /* and set it back to the value we set $ENV{name} to */ | |
4628 | my_setenv(name, SvPV_nolen(*valp)); | |
4629 | } | |
4630 | } | |
4631 | SvREFCNT_dec_NN(dups); | |
9b4eeda5 | 4632 | } |
103a7189 | 4633 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4634 | #endif /* !PERL_MICRO */ |
79072805 | 4635 | } |
bbce6d69 | 4636 | TAINT_NOT; |
2710853f MJD |
4637 | |
4638 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4639 | if (PL_minus_a) { | |
cbfd0a87 | 4640 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4641 | } |
33b78306 | 4642 | } |
34de22dd | 4643 | |
76e3520e | 4644 | STATIC void |
2cace6ac | 4645 | S_init_perllib(pTHX) |
34de22dd | 4646 | { |
32910c7a | 4647 | #ifndef VMS |
929e5b34 | 4648 | const char *perl5lib = NULL; |
32910c7a | 4649 | #endif |
35ba5ce9 | 4650 | const char *s; |
a7560424 | 4651 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4652 | STRLEN len; |
4653 | #endif | |
4654 | ||
284167a5 | 4655 | if (!TAINTING_get) { |
552a7a9b | 4656 | #ifndef VMS |
32910c7a | 4657 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4658 | /* |
4659 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4660 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4661 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4662 | */ |
4663 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4664 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4665 | #else |
32910c7a | 4666 | if (perl5lib) |
88f5bc07 | 4667 | #endif |
32910c7a | 4668 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4669 | else { |
4705144d NC |
4670 | s = PerlEnv_getenv("PERLLIB"); |
4671 | if (s) | |
50d61629 | 4672 | incpush_use_sep(s, 0, 0); |
4705144d | 4673 | } |
552a7a9b | 4674 | #else /* VMS */ |
4675 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4676 | * "natural" VMS idiom for a Unix path string. We allow each | |
4677 | * element to be a set of |-separated directories for compatibility. | |
4678 | */ | |
4679 | char buf[256]; | |
4680 | int idx = 0; | |
88467a4b | 4681 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
e28f3139 | 4682 | do { |
2cace6ac | 4683 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
88467a4b | 4684 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
f05b5874 | 4685 | else { |
88467a4b | 4686 | while (vmstrnenv("PERLLIB",buf,idx++,NULL,0)) |
50d61629 | 4687 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4688 | } |
552a7a9b | 4689 | #endif /* VMS */ |
85e6fe83 | 4690 | } |
34de22dd | 4691 | |
b0e687f7 NC |
4692 | #ifndef PERL_IS_MINIPERL |
4693 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4694 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4695 | ||
7d00a340 | 4696 | #include "perl_inc_macro.h" |
c90c0ff4 | 4697 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4698 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4699 | */ |
7d00a340 N |
4700 | INCPUSH_APPLLIB_EXP |
4701 | INCPUSH_SITEARCH_EXP | |
4702 | INCPUSH_SITELIB_EXP | |
4703 | INCPUSH_PERL_VENDORARCH_EXP | |
4704 | INCPUSH_PERL_VENDORLIB_EXP | |
4705 | INCPUSH_ARCHLIB_EXP | |
4706 | INCPUSH_PRIVLIB_EXP | |
4707 | INCPUSH_PERL_OTHERLIBDIRS | |
4708 | INCPUSH_PERL5LIB | |
4709 | INCPUSH_APPLLIB_OLD_EXP | |
4710 | INCPUSH_SITELIB_STEM | |
4711 | INCPUSH_PERL_VENDORLIB_STEM | |
4712 | INCPUSH_PERL_OTHERLIBDIRS_ARCHONLY | |
65f19062 | 4713 | |
b0e687f7 | 4714 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4715 | |
0e0a64d7 MB |
4716 | if (!TAINTING_get) { |
4717 | #if !defined(PERL_IS_MINIPERL) && defined(DEFAULT_INC_EXCLUDES_DOT) | |
4718 | const char * const unsafe = PerlEnv_getenv("PERL_USE_UNSAFE_INC"); | |
4719 | if (unsafe && strEQ(unsafe, "1")) | |
4720 | #endif | |
4721 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); | |
4722 | } | |
774d564b | 4723 | } |
4724 | ||
739a0b84 | 4725 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4726 | # define PERLLIB_SEP ';' |
39bb759e | 4727 | #elif defined(__VMS) |
483efd0a | 4728 | # define PERLLIB_SEP PL_perllib_sep |
39bb759e | 4729 | #else |
e37778c2 | 4730 | # define PERLLIB_SEP ':' |
774d564b | 4731 | #endif |
4732 | #ifndef PERLLIB_MANGLE | |
4733 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4734 | #endif |
774d564b | 4735 | |
59d6f6a4 | 4736 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4737 | /* Push a directory onto @INC if it exists. |
4738 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4739 | onto @INC */ | |
4740 | STATIC SV * | |
7ffdaae6 | 4741 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae NC |
4742 | { |
4743 | Stat_t tmpstatbuf; | |
7918f24d NC |
4744 | |
4745 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4746 | ||
848ef955 | 4747 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4748 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4749 | av_push(av, dir); |
7ffdaae6 NC |
4750 | dir = newSVsv(stem); |
4751 | } else { | |
4752 | /* Truncate dir back to stem. */ | |
4753 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4754 | } |
4755 | return dir; | |
4756 | } | |
59d6f6a4 | 4757 | #endif |
ad17a1ae | 4758 | |
c29067d7 CH |
4759 | STATIC SV * |
4760 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4761 | { |
6434436b | 4762 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4763 | SV *libdir; |
774d564b | 4764 | |
c29067d7 | 4765 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4766 | assert(len > 0); |
3a9a9ba7 | 4767 | |
d2898d73 EB |
4768 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4769 | defined to so something (in os2/os2.c), but the code has been | |
4770 | this way, ignoring any possible changed of length, since | |
4771 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4772 | it be. */ | |
4773 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4774 | |
81600524 | 4775 | #ifdef VMS |
db12e2d3 | 4776 | { |
81600524 | 4777 | char *unix; |
81600524 CB |
4778 | |
4779 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4780 | len = strlen(unix); | |
f420cce1 | 4781 | while (len > 1 && unix[len-1] == '/') len--; /* Cosmetic */ |
81600524 CB |
4782 | sv_usepvn(libdir,unix,len); |
4783 | } | |
4784 | else | |
4785 | PerlIO_printf(Perl_error_log, | |
4786 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4787 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4788 | } |
81600524 CB |
4789 | #endif |
4790 | ||
dd374669 AL |
4791 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4792 | parameter. */ | |
4793 | if (canrelocate) { | |
88fe16b2 NC |
4794 | #ifdef PERL_RELOCATABLE_INC |
4795 | /* | |
4796 | * Relocatable include entries are marked with a leading .../ | |
4797 | * | |
4798 | * The algorithm is | |
4799 | * 0: Remove that leading ".../" | |
4800 | * 1: Remove trailing executable name (anything after the last '/') | |
4801 | * from the perl path to give a perl prefix | |
4802 | * Then | |
4803 | * While the @INC element starts "../" and the prefix ends with a real | |
4804 | * directory (ie not . or ..) chop that real directory off the prefix | |
4805 | * and the leading "../" from the @INC element. ie a logical "../" | |
4806 | * cleanup | |
4807 | * Finally concatenate the prefix and the remainder of the @INC element | |
4808 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4809 | * generates /usr/local/lib/perl5 | |
4810 | */ | |
890ce7af | 4811 | const char *libpath = SvPVX(libdir); |
88fe16b2 | 4812 | STRLEN libpath_len = SvCUR(libdir); |
61e2287f | 4813 | if (memBEGINs(libpath, libpath_len, ".../")) { |
88fe16b2 | 4814 | /* Game on! */ |
890ce7af | 4815 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4816 | /* Going to use the SV just as a scratch buffer holding a C |
4817 | string: */ | |
4818 | SV *prefix_sv; | |
4819 | char *prefix; | |
4820 | char *lastslash; | |
4821 | ||
4822 | /* $^X is *the* source of taint if tainting is on, hence | |
4823 | SvPOK() won't be true. */ | |
4824 | assert(caret_X); | |
4825 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4826 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4827 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4828 | /* Firstly take off the leading .../ |
4829 | If all else fail we'll do the paths relative to the current | |
4830 | directory. */ | |
4831 | sv_chop(libdir, libpath + 4); | |
4832 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4833 | mortal copies that the mg_get of tainting creates, and | |
4834 | corruption that seems to come via the save stack. | |
4835 | I guess that the save stack isn't correctly set up yet. */ | |
4836 | libpath = SvPVX(libdir); | |
4837 | libpath_len = SvCUR(libdir); | |
4838 | ||
88fe16b2 | 4839 | prefix = SvPVX(prefix_sv); |
6dba01e2 KW |
4840 | lastslash = (char *) my_memrchr(prefix, '/', |
4841 | SvEND(prefix_sv) - prefix); | |
88fe16b2 NC |
4842 | |
4843 | /* First time in with the *lastslash = '\0' we just wipe off | |
4844 | the trailing /perl from (say) /usr/foo/bin/perl | |
4845 | */ | |
4846 | if (lastslash) { | |
4847 | SV *tempsv; | |
4848 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
61e2287f | 4849 | ( memBEGINs(libpath, libpath_len, "../") |
6dba01e2 KW |
4850 | && (lastslash = |
4851 | (char *) my_memrchr(prefix, '/', | |
4852 | SvEND(prefix_sv) - prefix)))) | |
4853 | { | |
88fe16b2 NC |
4854 | if (lastslash[1] == '\0' |
4855 | || (lastslash[1] == '.' | |
4856 | && (lastslash[2] == '/' /* ends "/." */ | |
4857 | || (lastslash[2] == '/' | |
4858 | && lastslash[3] == '/' /* or "/.." */ | |
4859 | )))) { | |
4860 | /* Prefix ends "/" or "/." or "/..", any of which | |
4861 | are fishy, so don't do any more logical cleanup. | |
4862 | */ | |
4863 | break; | |
4864 | } | |
4865 | /* Remove leading "../" from path */ | |
4866 | libpath += 3; | |
4867 | libpath_len -= 3; | |
4868 | /* Next iteration round the loop removes the last | |
4869 | directory name from prefix by writing a '\0' in | |
4870 | the while clause. */ | |
4871 | } | |
4872 | /* prefix has been terminated with a '\0' to the correct | |
4873 | length. libpath points somewhere into the libdir SV. | |
4874 | We need to join the 2 with '/' and drop the result into | |
4875 | libdir. */ | |
4876 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4877 | SvREFCNT_dec(libdir); | |
4878 | /* And this is the new libdir. */ | |
4879 | libdir = tempsv; | |
284167a5 | 4880 | if (TAINTING_get && |
985213f2 AB |
4881 | (PerlProc_getuid() != PerlProc_geteuid() || |
4882 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4883 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4884 | SvTAINTED_on(libdir); |
4885 | } | |
4886 | } | |
4887 | SvREFCNT_dec(prefix_sv); | |
4888 | } | |
88fe16b2 | 4889 | #endif |
dd374669 | 4890 | } |
c29067d7 | 4891 | return libdir; |
c29067d7 CH |
4892 | } |
4893 | ||
4894 | STATIC void | |
4895 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4896 | { | |
c29067d7 CH |
4897 | #ifndef PERL_IS_MINIPERL |
4898 | const U8 using_sub_dirs | |
4899 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4900 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4901 | const U8 add_versioned_sub_dirs | |
4902 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4903 | const U8 add_archonly_sub_dirs | |
4904 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4905 | #ifdef PERL_INC_VERSION_LIST | |
4906 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4907 | #endif | |
4908 | #endif | |
4909 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4910 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4911 | AV *const inc = GvAVn(PL_incgv); | |
4912 | ||
4913 | PERL_ARGS_ASSERT_INCPUSH; | |
4914 | assert(len > 0); | |
4915 | ||
4916 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4917 | re-indenting diff noise. */ | |
4918 | { | |
5a702b9a | 4919 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4920 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4921 | arranged to unshift #! line -I onto the front of @INC. However, | |
4922 | -I can add version and architecture specific libraries, and they | |
4923 | need to go first. The old code assumed that it was always | |
4924 | pushing. Hence to make it work, need to push the architecture | |
4925 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4926 | the front of @INC. */ | |
4927 | #ifndef PERL_IS_MINIPERL | |
4928 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4929 | |
774d564b | 4930 | /* |
4931 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4932 | * archname-specific sub-directories. | |
4933 | */ | |
ee80e7be | 4934 | if (using_sub_dirs) { |
5a702b9a | 4935 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4936 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4937 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4938 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4939 | const char * const *incver; | |
29d82f8d | 4940 | #endif |
7ffdaae6 | 4941 | |
1e3208d8 | 4942 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4943 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4944 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4945 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4946 | |
9c8a64f0 | 4947 | /* .../version if -d .../version */ |
e51b748d | 4948 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4949 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4950 | } |
9c8a64f0 | 4951 | |
9c8a64f0 | 4952 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4953 | if (addoldvers) { |
9c8a64f0 GS |
4954 | for (incver = incverlist; *incver; incver++) { |
4955 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4956 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4957 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4958 | } |
4959 | } | |
29d82f8d | 4960 | #endif |
c992324b | 4961 | |
1e3208d8 | 4962 | if (add_archonly_sub_dirs) { |
c992324b | 4963 | /* .../archname if -d .../archname */ |
e51b748d | 4964 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4965 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4966 | |
4967 | } | |
10cc20f6 NC |
4968 | |
4969 | assert (SvREFCNT(subdir) == 1); | |
4970 | SvREFCNT_dec(subdir); | |
774d564b | 4971 | } |
59d6f6a4 | 4972 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4973 | /* finally add this lib directory at the end of @INC */ |
4974 | if (unshift) { | |
76895e89 | 4975 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4976 | const Size_t extra = 0; |
76895e89 | 4977 | #else |
b9f2b683 | 4978 | Size_t extra = av_tindex(av) + 1; |
76895e89 | 4979 | #endif |
a26c0e28 NC |
4980 | av_unshift(inc, extra + push_basedir); |
4981 | if (push_basedir) | |
4982 | av_store(inc, extra, libdir); | |
76895e89 | 4983 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4984 | while (extra--) { |
4985 | /* av owns a reference, av_store() expects to be donated a | |
4986 | reference, and av expects to be sane when it's cleared. | |
4987 | If I wanted to be naughty and wrong, I could peek inside the | |
4988 | implementation of av_clear(), realise that it uses | |
4989 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4990 | and so directly steal from it (with a memcpy() to inc, and | |
4991 | then memset() to NULL them out. But people copy code from the | |
4992 | core expecting it to be best practise, so let's use the API. | |
4993 | Although studious readers will note that I'm not checking any | |
4994 | return codes. */ | |
4995 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4996 | } | |
4997 | SvREFCNT_dec(av); | |
59d6f6a4 | 4998 | #endif |
20189146 | 4999 | } |
a26c0e28 | 5000 | else if (push_basedir) { |
3a9a9ba7 | 5001 | av_push(inc, libdir); |
20189146 | 5002 | } |
a26c0e28 NC |
5003 | |
5004 | if (!push_basedir) { | |
5005 | assert (SvREFCNT(libdir) == 1); | |
5006 | SvREFCNT_dec(libdir); | |
5007 | } | |
774d564b | 5008 | } |
34de22dd | 5009 | } |
93a17b20 | 5010 | |
55b4bc1c | 5011 | STATIC void |
50d61629 | 5012 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 5013 | { |
50d61629 NC |
5014 | const char *s; |
5015 | const char *end; | |
55b4bc1c NC |
5016 | /* This logic has been broken out from S_incpush(). It may be possible to |
5017 | simplify it. */ | |
5018 | ||
4705144d NC |
5019 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
5020 | ||
f31c6eed JD |
5021 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
5022 | * argument to incpush_use_sep. This allows creation of relocatable | |
5023 | * Perl distributions that patch the binary at install time. Those | |
5024 | * distributions will have to provide their own relocation tools; this | |
5025 | * is not a feature otherwise supported by core Perl. | |
5026 | */ | |
5027 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 5028 | if (!len) |
f31c6eed | 5029 | #endif |
50d61629 NC |
5030 | len = strlen(p); |
5031 | ||
5032 | end = p + len; | |
5033 | ||
55b4bc1c | 5034 | /* Break at all separators */ |
e42f52dd | 5035 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
5036 | if (s == p) { |
5037 | /* skip any consecutive separators */ | |
55b4bc1c | 5038 | |
55b4bc1c | 5039 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 5040 | /* But you'll need to write tests */ |
55b4bc1c | 5041 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 5042 | } else { |
55b4bc1c | 5043 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 5044 | } |
50d61629 | 5045 | p = s + 1; |
55b4bc1c | 5046 | } |
50d61629 NC |
5047 | if (p != end) |
5048 | incpush(p, (STRLEN)(end - p), flags); | |
5049 | ||
55b4bc1c | 5050 | } |
199100c8 | 5051 | |
93a17b20 | 5052 | void |
864dbfa3 | 5053 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 5054 | { |
971a9dd3 | 5055 | SV *atsv; |
8162b70e | 5056 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 5057 | CV *cv; |
22921e25 | 5058 | STRLEN len; |
6224f72b | 5059 | int ret; |
db36c5a1 | 5060 | dJMPENV; |
93a17b20 | 5061 | |
7918f24d NC |
5062 | PERL_ARGS_ASSERT_CALL_LIST; |
5063 | ||
b9f2b683 | 5064 | while (av_tindex(paramList) >= 0) { |
ea726b52 | 5065 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
5066 | if (PL_savebegin) { |
5067 | if (paramList == PL_beginav) { | |
059a8bb7 | 5068 | /* save PL_beginav for compiler */ |
ad64d0ec | 5069 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
5070 | } |
5071 | else if (paramList == PL_checkav) { | |
5072 | /* save PL_checkav for compiler */ | |
ad64d0ec | 5073 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 5074 | } |
3c10abe3 AG |
5075 | else if (paramList == PL_unitcheckav) { |
5076 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 5077 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 5078 | } |
059a8bb7 | 5079 | } else { |
b5bbe64a | 5080 | SAVEFREESV(cv); |
059a8bb7 | 5081 | } |
14dd3ad8 | 5082 | JMPENV_PUSH(ret); |
6224f72b | 5083 | switch (ret) { |
312caa8e | 5084 | case 0: |
d6f07c05 | 5085 | CALL_LIST_BODY(cv); |
971a9dd3 | 5086 | atsv = ERRSV; |
10516c54 | 5087 | (void)SvPV_const(atsv, len); |
312caa8e CS |
5088 | if (len) { |
5089 | PL_curcop = &PL_compiling; | |
57843af0 | 5090 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5091 | if (paramList == PL_beginav) |
396482e1 | 5092 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 5093 | else |
4f25aa18 GS |
5094 | Perl_sv_catpvf(aTHX_ atsv, |
5095 | "%s failed--call queue aborted", | |
7d30b5c4 | 5096 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5097 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5098 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5099 | : "END"); |
312caa8e CS |
5100 | while (PL_scopestack_ix > oldscope) |
5101 | LEAVE; | |
14dd3ad8 | 5102 | JMPENV_POP; |
147e3846 | 5103 | Perl_croak(aTHX_ "%" SVf, SVfARG(atsv)); |
a0d0e21e | 5104 | } |
85e6fe83 | 5105 | break; |
6224f72b | 5106 | case 1: |
f86702cc | 5107 | STATUS_ALL_FAILURE; |
924ba076 | 5108 | /* FALLTHROUGH */ |
6224f72b | 5109 | case 2: |
85e6fe83 | 5110 | /* my_exit() was called */ |
3280af22 | 5111 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5112 | LEAVE; |
84902520 | 5113 | FREETMPS; |
03d9f026 | 5114 | SET_CURSTASH(PL_defstash); |
3280af22 | 5115 | PL_curcop = &PL_compiling; |
57843af0 | 5116 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5117 | JMPENV_POP; |
f86702cc | 5118 | my_exit_jump(); |
e5964223 | 5119 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 5120 | case 3: |
312caa8e CS |
5121 | if (PL_restartop) { |
5122 | PL_curcop = &PL_compiling; | |
57843af0 | 5123 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5124 | JMPENV_JUMP(3); |
85e6fe83 | 5125 | } |
5637ef5b | 5126 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
5127 | FREETMPS; |
5128 | break; | |
8990e307 | 5129 | } |
14dd3ad8 | 5130 | JMPENV_POP; |
93a17b20 | 5131 | } |
93a17b20 | 5132 | } |
93a17b20 | 5133 | |
72eff736 KW |
5134 | /* |
5135 | =for apidoc my_exit | |
5136 | ||
5137 | A wrapper for the C library L<exit(3)>, honoring what L<perlapi/PL_exit_flags> | |
5138 | say to do. | |
5139 | ||
5140 | =cut | |
5141 | */ | |
5142 | ||
f86702cc | 5143 | void |
864dbfa3 | 5144 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5145 | { |
6136213b JGM |
5146 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5147 | abort(); | |
5148 | } | |
5149 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5150 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5151 | Perl_warn(aTHX_ "Unexpected exit %lu", (unsigned long)status); |
6136213b JGM |
5152 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5153 | } | |
f86702cc | 5154 | switch (status) { |
5155 | case 0: | |
5156 | STATUS_ALL_SUCCESS; | |
5157 | break; | |
5158 | case 1: | |
5159 | STATUS_ALL_FAILURE; | |
5160 | break; | |
5161 | default: | |
6ac6a52b | 5162 | STATUS_EXIT_SET(status); |
f86702cc | 5163 | break; |
5164 | } | |
5165 | my_exit_jump(); | |
5166 | } | |
5167 | ||
5168 | void | |
864dbfa3 | 5169 | Perl_my_failure_exit(pTHX) |
f86702cc | 5170 | { |
5171 | #ifdef VMS | |
fb38d079 JM |
5172 | /* We have been called to fall on our sword. The desired exit code |
5173 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5174 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5175 | * that code is set. | |
fb38d079 JM |
5176 | * |
5177 | * If an error code has not been set, then force the issue. | |
5178 | */ | |
0968cdad JM |
5179 | if (MY_POSIX_EXIT) { |
5180 | ||
e08e1e1d JM |
5181 | /* According to the die_exit.t tests, if errno is non-zero */ |
5182 | /* It should be used for the error status. */ | |
0968cdad | 5183 | |
e08e1e1d JM |
5184 | if (errno == EVMSERR) { |
5185 | STATUS_NATIVE = vaxc$errno; | |
5186 | } else { | |
0968cdad | 5187 | |
e08e1e1d JM |
5188 | /* According to die_exit.t tests, if the child_exit code is */ |
5189 | /* also zero, then we need to exit with a code of 255 */ | |
5190 | if ((errno != 0) && (errno < 256)) | |
5191 | STATUS_UNIX_EXIT_SET(errno); | |
5192 | else if (STATUS_UNIX < 255) { | |
0968cdad | 5193 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
5194 | } |
5195 | ||
0968cdad | 5196 | } |
e08e1e1d JM |
5197 | |
5198 | /* The exit code could have been set by $? or vmsish which | |
5199 | * means that it may not have fatal set. So convert | |
5200 | * success/warning codes to fatal with out changing | |
5201 | * the POSIX status code. The severity makes VMS native | |
5202 | * status handling work, while UNIX mode programs use the | |
5203 | * the POSIX exit codes. | |
5204 | */ | |
5205 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
5206 | STATUS_NATIVE &= STS$M_COND_ID; | |
5207 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
5208 | } | |
0968cdad JM |
5209 | } |
5210 | else { | |
5211 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5212 | if (vaxc$errno & 1) { | |
5213 | ||
5214 | /* So force success status to failure */ | |
5215 | if (STATUS_NATIVE & 1) | |
5216 | STATUS_ALL_FAILURE; | |
5217 | } | |
5218 | else { | |
5219 | if (!vaxc$errno) { | |
5220 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5221 | STATUS_ALL_FAILURE; | |
5222 | } | |
5223 | else { | |
5224 | int severity; | |
5225 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5226 | ||
5227 | /* Encode the severity code */ | |
5228 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5229 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5230 | ||
5231 | /* Perl expects this to be a fatal error */ | |
5232 | if (severity != STS$K_SEVERE) | |
5233 | STATUS_ALL_FAILURE; | |
5234 | } | |
5235 | } | |
5236 | } | |
fb38d079 | 5237 | |
f86702cc | 5238 | #else |
9b599b2a | 5239 | int exitstatus; |
69374fe7 Z |
5240 | int eno = errno; |
5241 | if (eno & 255) | |
5242 | STATUS_UNIX_SET(eno); | |
9b599b2a | 5243 | else { |
e5218da5 | 5244 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5245 | if (exitstatus & 255) |
e5218da5 | 5246 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5247 | else |
e5218da5 | 5248 | STATUS_UNIX_SET(255); |
9b599b2a | 5249 | } |
f86702cc | 5250 | #endif |
6136213b JGM |
5251 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5252 | abort(); | |
5253 | } | |
5254 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5255 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5256 | Perl_warn(aTHX_ "Unexpected exit failure %ld", (long)PL_statusvalue); |
6136213b JGM |
5257 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5258 | } | |
f86702cc | 5259 | my_exit_jump(); |
93a17b20 LW |
5260 | } |
5261 | ||
76e3520e | 5262 | STATIC void |
cea2e8a9 | 5263 | S_my_exit_jump(pTHX) |
f86702cc | 5264 | { |
3280af22 NIS |
5265 | if (PL_e_script) { |
5266 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5267 | PL_e_script = NULL; |
f86702cc | 5268 | } |
5269 | ||
3280af22 | 5270 | POPSTACK_TO(PL_mainstack); |
3706fcea DM |
5271 | if (cxstack_ix >= 0) { |
5272 | dounwind(-1); | |
ed8ff0f3 | 5273 | cx_popblock(cxstack); |
3706fcea | 5274 | } |
f97a0ef2 | 5275 | LEAVE_SCOPE(0); |
ff0cee69 | 5276 | |
6224f72b | 5277 | JMPENV_JUMP(2); |
f86702cc | 5278 | } |
873ef191 | 5279 | |
0cb96387 | 5280 | static I32 |
acfe0abc | 5281 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5282 | { |
9d4ba2ae | 5283 | const char * const p = SvPVX_const(PL_e_script); |
aea1585c KW |
5284 | const char * const e = SvEND(PL_e_script); |
5285 | const char *nl = (char *) memchr(p, '\n', e - p); | |
9d4ba2ae AL |
5286 | |
5287 | PERL_UNUSED_ARG(idx); | |
5288 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5289 | |
aea1585c | 5290 | nl = (nl) ? nl+1 : e; |
7dfe3f66 | 5291 | if (nl-p == 0) { |
0cb96387 | 5292 | filter_del(read_e_script); |
873ef191 | 5293 | return 0; |
7dfe3f66 | 5294 | } |
873ef191 | 5295 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5296 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5297 | return 1; |
5298 | } | |
66610fdd | 5299 | |
db6e00bd DD |
5300 | /* removes boilerplate code at the end of each boot_Module xsub */ |
5301 | void | |
b01a1eea | 5302 | Perl_xs_boot_epilog(pTHX_ const I32 ax) |
db6e00bd DD |
5303 | { |
5304 | if (PL_unitcheckav) | |
5305 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
5306 | XSRETURN_YES; | |
5307 | } | |
5308 | ||
66610fdd | 5309 | /* |
14d04a33 | 5310 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5311 | */ |