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4b88f280 | 1 | #line 2 "perl.c" |
a0d0e21e LW |
2 | /* perl.c |
3 | * | |
737f4459 | 4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
2eee27d7 | 5 | * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
f3e2e262 | 6 | * 2013, 2014, 2015, 2016, 2017 by Larry Wall and others |
a687059c | 7 | * |
352d5a3a LW |
8 | * You may distribute under the terms of either the GNU General Public |
9 | * License or the Artistic License, as specified in the README file. | |
a687059c | 10 | * |
8d063cd8 LW |
11 | */ |
12 | ||
a0d0e21e | 13 | /* |
4ac71550 TC |
14 | * A ship then new they built for him |
15 | * of mithril and of elven-glass | |
cdad3b53 | 16 | * --from Bilbo's song of EƤrendil |
4ac71550 TC |
17 | * |
18 | * [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"] | |
a0d0e21e | 19 | */ |
45d8adaa | 20 | |
166f8a29 DM |
21 | /* This file contains the top-level functions that are used to create, use |
22 | * and destroy a perl interpreter, plus the functions used by XS code to | |
23 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 24 | * function of the interpreter; that can be found in perlmain.c |
a1b69980 DM |
25 | * |
26 | * Note that at build time this file is also linked to as perlmini.c, | |
27 | * and perlmini.o is then built with PERL_IS_MINIPERL defined, which is | |
28 | * then used to create the miniperl executable, rather than perl.o. | |
166f8a29 DM |
29 | */ |
30 | ||
c44493f1 | 31 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
32 | # define USE_SITECUSTOMIZE |
33 | #endif | |
34 | ||
378cc40b | 35 | #include "EXTERN.h" |
864dbfa3 | 36 | #define PERL_IN_PERL_C |
378cc40b | 37 | #include "perl.h" |
e3321bb0 | 38 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 39 | #include "XSUB.h" |
378cc40b | 40 | |
011f1a1a JH |
41 | #ifdef NETWARE |
42 | #include "nwutil.h" | |
011f1a1a JH |
43 | #endif |
44 | ||
2aa47728 | 45 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
46 | # ifdef I_SYSUIO |
47 | # include <sys/uio.h> | |
48 | # endif | |
49 | ||
50 | union control_un { | |
51 | struct cmsghdr cm; | |
52 | char control[CMSG_SPACE(sizeof(int))]; | |
53 | }; | |
54 | ||
2aa47728 NC |
55 | #endif |
56 | ||
5311654c JH |
57 | #ifndef HZ |
58 | # ifdef CLK_TCK | |
59 | # define HZ CLK_TCK | |
60 | # else | |
61 | # define HZ 60 | |
62 | # endif | |
63 | #endif | |
64 | ||
7114a2d2 | 65 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 66 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 67 | #endif |
68 | ||
acfe0abc | 69 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 70 | |
cc69b689 | 71 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 72 | # define validate_suid(rsfp) NOOP |
cc69b689 | 73 | #else |
b24bc095 | 74 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 75 | #endif |
8d063cd8 | 76 | |
d6f07c05 AL |
77 | #define CALL_BODY_SUB(myop) \ |
78 | if (PL_op == (myop)) \ | |
139d0ce6 | 79 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
80 | if (PL_op) \ |
81 | CALLRUNOPS(aTHX); | |
82 | ||
83 | #define CALL_LIST_BODY(cv) \ | |
84 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 85 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 86 | |
e6827a76 | 87 | static void |
daa7d858 | 88 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 89 | { |
27da23d5 | 90 | dVAR; |
e6827a76 NC |
91 | if (!PL_curinterp) { |
92 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 93 | #if defined(USE_ITHREADS) |
e6827a76 NC |
94 | INIT_THREADS; |
95 | ALLOC_THREAD_KEY; | |
96 | PERL_SET_THX(my_perl); | |
97 | OP_REFCNT_INIT; | |
e8570548 | 98 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 99 | HINTS_REFCNT_INIT; |
929e1213 | 100 | LOCALE_INIT; |
e6827a76 | 101 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
102 | MUTEX_INIT(&PL_my_ctx_mutex); |
103 | # endif | |
e6827a76 | 104 | } |
c0bce9aa NC |
105 | #if defined(USE_ITHREADS) |
106 | else | |
107 | #else | |
108 | /* This always happens for non-ithreads */ | |
109 | #endif | |
110 | { | |
e6827a76 NC |
111 | PERL_SET_THX(my_perl); |
112 | } | |
113 | } | |
06d86050 | 114 | |
cbec8ebe DM |
115 | |
116 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
117 | ||
118 | void | |
119 | Perl_sys_init(int* argc, char*** argv) | |
120 | { | |
4fc0badb | 121 | dVAR; |
7918f24d NC |
122 | |
123 | PERL_ARGS_ASSERT_SYS_INIT; | |
124 | ||
cbec8ebe DM |
125 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
126 | PERL_UNUSED_ARG(argv); | |
127 | PERL_SYS_INIT_BODY(argc, argv); | |
128 | } | |
129 | ||
130 | void | |
131 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
132 | { | |
4fc0badb | 133 | dVAR; |
7918f24d NC |
134 | |
135 | PERL_ARGS_ASSERT_SYS_INIT3; | |
136 | ||
cbec8ebe DM |
137 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
138 | PERL_UNUSED_ARG(argv); | |
139 | PERL_UNUSED_ARG(env); | |
140 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
141 | } | |
142 | ||
143 | void | |
88772978 | 144 | Perl_sys_term(void) |
cbec8ebe | 145 | { |
4fc0badb | 146 | dVAR; |
bf81751b DM |
147 | if (!PL_veto_cleanup) { |
148 | PERL_SYS_TERM_BODY(); | |
149 | } | |
cbec8ebe DM |
150 | } |
151 | ||
152 | ||
32e30700 GS |
153 | #ifdef PERL_IMPLICIT_SYS |
154 | PerlInterpreter * | |
7766f137 GS |
155 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
156 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
157 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
158 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
159 | struct IPerlProc* ipP) | |
160 | { | |
161 | PerlInterpreter *my_perl; | |
7918f24d NC |
162 | |
163 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
164 | ||
9f653bb5 | 165 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 166 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 167 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
168 | Zero(my_perl, 1, PerlInterpreter); |
169 | PL_Mem = ipM; | |
7766f137 GS |
170 | PL_MemShared = ipMS; |
171 | PL_MemParse = ipMP; | |
32e30700 GS |
172 | PL_Env = ipE; |
173 | PL_StdIO = ipStd; | |
174 | PL_LIO = ipLIO; | |
175 | PL_Dir = ipD; | |
176 | PL_Sock = ipS; | |
177 | PL_Proc = ipP; | |
7cb608b5 | 178 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 179 | |
32e30700 GS |
180 | return my_perl; |
181 | } | |
182 | #else | |
954c1994 GS |
183 | |
184 | /* | |
ccfc67b7 JH |
185 | =head1 Embedding Functions |
186 | ||
954c1994 GS |
187 | =for apidoc perl_alloc |
188 | ||
189 | Allocates a new Perl interpreter. See L<perlembed>. | |
190 | ||
191 | =cut | |
192 | */ | |
193 | ||
93a17b20 | 194 | PerlInterpreter * |
cea2e8a9 | 195 | perl_alloc(void) |
79072805 | 196 | { |
cea2e8a9 | 197 | PerlInterpreter *my_perl; |
79072805 | 198 | |
9f653bb5 | 199 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 200 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 201 | |
e6827a76 | 202 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 203 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 204 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
205 | #else |
206 | Zero(my_perl, 1, PerlInterpreter); | |
207 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
208 | return my_perl; | |
209 | #endif | |
79072805 | 210 | } |
32e30700 | 211 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 212 | |
954c1994 GS |
213 | /* |
214 | =for apidoc perl_construct | |
215 | ||
216 | Initializes a new Perl interpreter. See L<perlembed>. | |
217 | ||
218 | =cut | |
219 | */ | |
220 | ||
0927ade0 JC |
221 | static void |
222 | S_fixup_platform_bugs(void) | |
223 | { | |
224 | #if defined(__GLIBC__) && IVSIZE == 8 \ | |
225 | && ( __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 8)) | |
226 | { | |
227 | IV l = 3; | |
228 | IV r = -10; | |
229 | /* Cannot do this check with inlined IV constants since | |
230 | * that seems to work correctly even with the buggy glibc. */ | |
231 | if (l % r == -3) { | |
232 | dTHX; | |
233 | /* Yikes, we have the bug. | |
234 | * Patch in the workaround version. */ | |
235 | PL_ppaddr[OP_I_MODULO] = &Perl_pp_i_modulo_glibc_bugfix; | |
236 | } | |
237 | } | |
238 | #endif | |
239 | } | |
240 | ||
79072805 | 241 | void |
0cb96387 | 242 | perl_construct(pTHXx) |
79072805 | 243 | { |
27da23d5 | 244 | dVAR; |
7918f24d NC |
245 | |
246 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
247 | ||
8990e307 | 248 | #ifdef MULTIPLICITY |
54aff467 | 249 | init_interp(); |
ac27b0f5 | 250 | PL_perl_destruct_level = 1; |
54aff467 | 251 | #else |
7918f24d | 252 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
253 | if (PL_perl_destruct_level > 0) |
254 | init_interp(); | |
255 | #endif | |
34caed6d DM |
256 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
257 | ||
75d476e2 S |
258 | #ifdef PERL_TRACE_OPS |
259 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
260 | #endif | |
261 | ||
0d96b528 | 262 | init_constants(); |
34caed6d DM |
263 | |
264 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 265 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
266 | |
267 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 268 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 269 | PL_pidstatus = newHV(); |
ca0c25f6 | 270 | #endif |
79072805 | 271 | |
396482e1 | 272 | PL_rs = newSVpvs("\n"); |
dc92893f | 273 | |
cea2e8a9 | 274 | init_stacks(); |
79072805 | 275 | |
748a9306 | 276 | init_ids(); |
a5f75d66 | 277 | |
0927ade0 JC |
278 | S_fixup_platform_bugs(); |
279 | ||
312caa8e | 280 | JMPENV_BOOTSTRAP; |
f86702cc | 281 | STATUS_ALL_SUCCESS; |
282 | ||
0672f40e | 283 | init_i18nl10n(1); |
0b5b802d | 284 | |
ab821d7f | 285 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 286 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 287 | #endif |
288 | ||
52853b95 GS |
289 | #ifdef HAVE_INTERP_INTERN |
290 | sys_intern_init(); | |
291 | #endif | |
292 | ||
3a1ee7e8 | 293 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 294 | |
3280af22 NIS |
295 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
296 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 297 | PL_errors = newSVpvs(""); |
854da30f YO |
298 | SvPVCLEAR(PERL_DEBUG_PAD(0)); /* For regex debugging. */ |
299 | SvPVCLEAR(PERL_DEBUG_PAD(1)); /* ext/re needs these */ | |
300 | SvPVCLEAR(PERL_DEBUG_PAD(2)); /* even without DEBUGGING. */ | |
1fcf4c12 | 301 | #ifdef USE_ITHREADS |
402d2eb1 NC |
302 | /* First entry is a list of empty elements. It needs to be initialised |
303 | else all hell breaks loose in S_find_uninit_var(). */ | |
304 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 305 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 306 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 307 | #endif |
e5dd39fc | 308 | #ifdef USE_REENTRANT_API |
59bd0823 | 309 | Perl_reentrant_init(aTHX); |
e5dd39fc | 310 | #endif |
e6a172f3 | 311 | if (PL_hash_seed_set == FALSE) { |
9d5e3f1a YO |
312 | /* Initialize the hash seed and state at startup. This must be |
313 | * done very early, before ANY hashes are constructed, and once | |
314 | * setup is fixed for the lifetime of the process. | |
315 | * | |
316 | * If you decide to disable the seeding process you should choose | |
317 | * a suitable seed yourself and define PERL_HASH_SEED to a well chosen | |
318 | * string. See hv_func.h for details. | |
319 | */ | |
1a237f4f | 320 | #if defined(USE_HASH_SEED) |
9d5e3f1a | 321 | /* get the hash seed from the environment or from an RNG */ |
7dc86639 | 322 | Perl_get_hash_seed(aTHX_ PL_hash_seed); |
1a237f4f | 323 | #else |
9d5e3f1a YO |
324 | /* they want a hard coded seed, check that it is long enough */ |
325 | assert( strlen(PERL_HASH_SEED) >= PERL_HASH_SEED_BYTES ); | |
1a237f4f | 326 | #endif |
e6a172f3 | 327 | |
9d5e3f1a YO |
328 | /* now we use the chosen seed to initialize the state - |
329 | * in some configurations this may be a relatively speaking | |
330 | * expensive operation, but we only have to do it once at startup */ | |
331 | PERL_HASH_SEED_STATE(PERL_HASH_SEED,PL_hash_state); | |
332 | ||
333 | #ifdef PERL_USE_SINGLE_CHAR_HASH_CACHE | |
334 | /* we can build a special cache for 0/1 byte keys, if people choose | |
335 | * I suspect most of the time it is not worth it */ | |
336 | { | |
337 | char str[2]="\0"; | |
338 | int i; | |
339 | for (i=0;i<256;i++) { | |
340 | str[0]= i; | |
341 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[i],str,1); | |
342 | } | |
343 | PERL_HASH_WITH_STATE(PL_hash_state,PL_hash_chars[256],str,0); | |
344 | } | |
345 | #endif | |
346 | /* at this point we have initialezed the hash function, and we can start | |
347 | * constructing hashes */ | |
348 | PL_hash_seed_set= TRUE; | |
349 | } | |
3d47000e AB |
350 | /* Note that strtab is a rather special HV. Assumptions are made |
351 | about not iterating on it, and not adding tie magic to it. | |
352 | It is properly deallocated in perl_destruct() */ | |
353 | PL_strtab = newHV(); | |
354 | ||
9d5e3f1a YO |
355 | /* SHAREKEYS tells us that the hash has its keys shared with PL_strtab, |
356 | * which is not the case with PL_strtab itself */ | |
3d47000e | 357 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
9d5e3f1a | 358 | hv_ksplit(PL_strtab, 1 << 11); |
3d47000e | 359 | |
a38ab475 RZ |
360 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
361 | ||
2f42fcb0 JH |
362 | #ifndef PERL_MICRO |
363 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 364 | PL_origenviron = environ; |
2f42fcb0 | 365 | # endif |
0631ea03 AB |
366 | #endif |
367 | ||
5311654c | 368 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 369 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
370 | * The HZ if not originally defined has been by now |
371 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 372 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
373 | PL_clocktick = sysconf(_SC_CLK_TCK); |
374 | if (PL_clocktick <= 0) | |
375 | #endif | |
376 | PL_clocktick = HZ; | |
377 | ||
081fc587 AB |
378 | PL_stashcache = newHV(); |
379 | ||
e8e3635e | 380 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 381 | |
27da23d5 JH |
382 | #ifdef HAS_MMAP |
383 | if (!PL_mmap_page_size) { | |
384 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
385 | { | |
386 | SETERRNO(0, SS_NORMAL); | |
387 | # ifdef _SC_PAGESIZE | |
388 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
389 | # else | |
390 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
391 | # endif | |
392 | if ((long) PL_mmap_page_size < 0) { | |
393 | if (errno) { | |
44f8325f | 394 | SV * const error = ERRSV; |
d4c19fe8 | 395 | SvUPGRADE(error, SVt_PV); |
0510663f | 396 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
397 | } |
398 | else | |
399 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
400 | } | |
401 | } | |
402 | #else | |
403 | # ifdef HAS_GETPAGESIZE | |
404 | PL_mmap_page_size = getpagesize(); | |
405 | # else | |
406 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
407 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
408 | # endif | |
409 | # endif | |
410 | #endif | |
411 | if (PL_mmap_page_size <= 0) | |
412 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
413 | (IV) PL_mmap_page_size); | |
414 | } | |
415 | #endif /* HAS_MMAP */ | |
416 | ||
417 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
418 | PL_timesbase.tms_utime = 0; | |
419 | PL_timesbase.tms_stime = 0; | |
420 | PL_timesbase.tms_cutime = 0; | |
421 | PL_timesbase.tms_cstime = 0; | |
422 | #endif | |
423 | ||
7d113631 NC |
424 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
425 | ||
a3e6e81e | 426 | PL_registered_mros = newHV(); |
9e169432 NC |
427 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
428 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 429 | |
7b8dd5f4 KW |
430 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
431 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
432 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
433 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
434 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
435 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
436 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
437 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
438 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
439 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
440 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
441 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
442 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
443 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
444 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
445 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 446 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
447 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
448 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 449 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
9e7ded3f | 450 | PL_Assigned_invlist = _new_invlist_C_array(Assigned_invlist); |
6ebbc862 KW |
451 | #ifdef USE_THREAD_SAFE_LOCALE |
452 | PL_C_locale_obj = newlocale(LC_ALL_MASK, "C", NULL); | |
453 | #endif | |
7b8dd5f4 | 454 | |
8990e307 | 455 | ENTER; |
79072805 LW |
456 | } |
457 | ||
954c1994 | 458 | /* |
62375a60 NIS |
459 | =for apidoc nothreadhook |
460 | ||
461 | Stub that provides thread hook for perl_destruct when there are | |
462 | no threads. | |
463 | ||
464 | =cut | |
465 | */ | |
466 | ||
467 | int | |
4e9e3734 | 468 | Perl_nothreadhook(pTHX) |
62375a60 | 469 | { |
96a5add6 | 470 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
471 | return 0; |
472 | } | |
473 | ||
41e4abd8 NC |
474 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
475 | void | |
476 | Perl_dump_sv_child(pTHX_ SV *sv) | |
477 | { | |
478 | ssize_t got; | |
bf357333 NC |
479 | const int sock = PL_dumper_fd; |
480 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
481 | union control_un control; |
482 | struct msghdr msg; | |
808ad2d0 | 483 | struct iovec vec[2]; |
bf357333 | 484 | struct cmsghdr *cmptr; |
808ad2d0 NC |
485 | int returned_errno; |
486 | unsigned char buffer[256]; | |
41e4abd8 | 487 | |
7918f24d NC |
488 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
489 | ||
bf357333 | 490 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
491 | return; |
492 | ||
493 | PerlIO_flush(Perl_debug_log); | |
494 | ||
bf357333 NC |
495 | /* All these shenanigans are to pass a file descriptor over to our child for |
496 | it to dump out to. We can't let it hold open the file descriptor when it | |
497 | forks, as the file descriptor it will dump to can turn out to be one end | |
498 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 499 | be open, the wait would be forever.) */ |
bf357333 NC |
500 | |
501 | msg.msg_control = control.control; | |
502 | msg.msg_controllen = sizeof(control.control); | |
503 | /* We're a connected socket so we don't need a destination */ | |
504 | msg.msg_name = NULL; | |
505 | msg.msg_namelen = 0; | |
506 | msg.msg_iov = vec; | |
808ad2d0 | 507 | msg.msg_iovlen = 1; |
bf357333 NC |
508 | |
509 | cmptr = CMSG_FIRSTHDR(&msg); | |
510 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
511 | cmptr->cmsg_level = SOL_SOCKET; | |
512 | cmptr->cmsg_type = SCM_RIGHTS; | |
513 | *((int *)CMSG_DATA(cmptr)) = 1; | |
514 | ||
515 | vec[0].iov_base = (void*)&sv; | |
516 | vec[0].iov_len = sizeof(sv); | |
517 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
518 | |
519 | if(got < 0) { | |
bf357333 | 520 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
521 | abort(); |
522 | } | |
bf357333 NC |
523 | if(got < sizeof(sv)) { |
524 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
525 | abort(); |
526 | } | |
527 | ||
808ad2d0 NC |
528 | /* Return protocol is |
529 | int: errno value | |
530 | unsigned char: length of location string (0 for empty) | |
531 | unsigned char*: string (not terminated) | |
532 | */ | |
533 | vec[0].iov_base = (void*)&returned_errno; | |
534 | vec[0].iov_len = sizeof(returned_errno); | |
535 | vec[1].iov_base = buffer; | |
536 | vec[1].iov_len = 1; | |
537 | ||
538 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
539 | |
540 | if(got < 0) { | |
541 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 542 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
543 | abort(); |
544 | } | |
808ad2d0 | 545 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 546 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 547 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
548 | abort(); |
549 | } | |
550 | ||
808ad2d0 NC |
551 | if (*buffer) { |
552 | got = read(sock, buffer + 1, *buffer); | |
553 | if(got < 0) { | |
554 | perror("Debug leaking scalars parent read 2 failed"); | |
555 | PerlIO_flush(PerlIO_stderr()); | |
556 | abort(); | |
557 | } | |
558 | ||
559 | if(got < *buffer) { | |
560 | perror("Debug leaking scalars parent short read 2"); | |
561 | PerlIO_flush(PerlIO_stderr()); | |
562 | abort(); | |
563 | } | |
564 | } | |
565 | ||
566 | if (returned_errno || *buffer) { | |
567 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
568 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 569 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
570 | } |
571 | } | |
572 | #endif | |
573 | ||
62375a60 | 574 | /* |
954c1994 GS |
575 | =for apidoc perl_destruct |
576 | ||
577 | Shuts down a Perl interpreter. See L<perlembed>. | |
578 | ||
579 | =cut | |
580 | */ | |
581 | ||
31d77e54 | 582 | int |
0cb96387 | 583 | perl_destruct(pTHXx) |
79072805 | 584 | { |
27da23d5 | 585 | dVAR; |
be2ea8ed | 586 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 587 | HV *hv; |
2aa47728 | 588 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
589 | pid_t child; |
590 | #endif | |
9c0b6888 | 591 | int i; |
8990e307 | 592 | |
7918f24d NC |
593 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
594 | #ifndef MULTIPLICITY | |
ed6c66dd | 595 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 596 | #endif |
9d4ba2ae | 597 | |
3d22c4f0 GG |
598 | assert(PL_scopestack_ix == 1); |
599 | ||
7766f137 GS |
600 | /* wait for all pseudo-forked children to finish */ |
601 | PERL_WAIT_FOR_CHILDREN; | |
602 | ||
3280af22 | 603 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 604 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 605 | { |
9d4ba2ae AL |
606 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
607 | if (s) { | |
96e440d2 JH |
608 | int i; |
609 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
610 | i = -1; | |
611 | } else { | |
22ff3130 HS |
612 | UV uv; |
613 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
614 | i = (int)uv; | |
615 | else | |
616 | i = 0; | |
96e440d2 | 617 | } |
36e77d41 DD |
618 | #ifdef DEBUGGING |
619 | if (destruct_level < i) destruct_level = i; | |
620 | #endif | |
621 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
622 | /* RT #114496, for perl_free */ |
623 | PL_perl_destruct_level = i; | |
36e77d41 | 624 | #endif |
5f05dabc | 625 | } |
4633a7c4 LW |
626 | } |
627 | #endif | |
628 | ||
27da23d5 | 629 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
630 | dJMPENV; |
631 | int x = 0; | |
632 | ||
633 | JMPENV_PUSH(x); | |
1b6737cc | 634 | PERL_UNUSED_VAR(x); |
9ebf26ad | 635 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 636 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 637 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 638 | } |
f3faeb53 | 639 | JMPENV_POP; |
26f423df | 640 | } |
f3faeb53 | 641 | LEAVE; |
a0d0e21e | 642 | FREETMPS; |
3d22c4f0 | 643 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 644 | |
e00b64d4 | 645 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
646 | /* flush stdout separately, since we can identify it */ |
647 | #ifdef USE_PERLIO | |
648 | { | |
649 | PerlIO *stdo = PerlIO_stdout(); | |
650 | if (*stdo && PerlIO_flush(stdo)) { | |
651 | PerlIO_restore_errno(stdo); | |
675c73ca MB |
652 | if (errno) |
653 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
654 | Strerror(errno)); | |
8abddda3 TC |
655 | if (!STATUS_UNIX) |
656 | STATUS_ALL_FAILURE; | |
657 | } | |
658 | } | |
659 | #endif | |
f13a2bc0 | 660 | my_fflush_all(); |
e00b64d4 | 661 | |
75d476e2 | 662 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
663 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
664 | { | |
665 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
666 | UV uv; | |
667 | ||
668 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
669 | || !(uv > 0)) | |
670 | goto no_trace_out; | |
671 | } | |
75d476e2 S |
672 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
673 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 | 674 | if (PL_op_exec_cnt[i]) |
147e3846 | 675 | PerlIO_printf(Perl_debug_log, " %s: %" UVuf "\n", PL_op_name[i], PL_op_exec_cnt[i]); |
75d476e2 S |
676 | } |
677 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
678 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
147e3846 | 679 | PerlIO_printf(Perl_debug_log, " SPECIAL: %" UVuf "\n", PL_op_exec_cnt[OP_max+1]); |
75d476e2 | 680 | PerlIO_printf(Perl_debug_log, "\n"); |
e71f25b3 | 681 | no_trace_out: |
75d476e2 S |
682 | #endif |
683 | ||
684 | ||
16c91539 | 685 | if (PL_threadhook(aTHX)) { |
62375a60 | 686 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 687 | PL_veto_cleanup = TRUE; |
37038d91 | 688 | return STATUS_EXIT; |
62375a60 NIS |
689 | } |
690 | ||
2aa47728 NC |
691 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
692 | if (destruct_level != 0) { | |
693 | /* Fork here to create a child. Our child's job is to preserve the | |
694 | state of scalars prior to destruction, so that we can instruct it | |
695 | to dump any scalars that we later find have leaked. | |
696 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
697 | fail gracefully */ | |
698 | int fd[2]; | |
699 | ||
700 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
701 | perror("Debug leaking scalars socketpair failed"); | |
702 | abort(); | |
703 | } | |
704 | ||
705 | child = fork(); | |
706 | if(child == -1) { | |
707 | perror("Debug leaking scalars fork failed"); | |
708 | abort(); | |
709 | } | |
710 | if (!child) { | |
711 | /* We are the child */ | |
3125a5a4 NC |
712 | const int sock = fd[1]; |
713 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
714 | int f; | |
808ad2d0 NC |
715 | const char *where; |
716 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 717 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 718 | |
2aa47728 | 719 | close(fd[0]); |
2aa47728 | 720 | |
3125a5a4 NC |
721 | /* We need to close all other file descriptors otherwise we end up |
722 | with interesting hangs, where the parent closes its end of a | |
723 | pipe, and sits waiting for (another) child to terminate. Only | |
724 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
725 | we also have the far end of the pipe open. We even need to |
726 | close the debugging fd, because sometimes it happens to be one | |
727 | end of a pipe, and a process is waiting on the other end for | |
728 | EOF. Normally it would be closed at some point earlier in | |
729 | destruction, but if we happen to cause the pipe to remain open, | |
730 | EOF never occurs, and we get an infinite hang. Hence all the | |
731 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
732 | |
733 | f = sysconf(_SC_OPEN_MAX); | |
734 | if(f < 0) { | |
808ad2d0 NC |
735 | where = "sysconf failed"; |
736 | goto abort; | |
3125a5a4 NC |
737 | } |
738 | while (f--) { | |
739 | if (f == sock) | |
740 | continue; | |
3125a5a4 NC |
741 | close(f); |
742 | } | |
743 | ||
2aa47728 NC |
744 | while (1) { |
745 | SV *target; | |
bf357333 NC |
746 | union control_un control; |
747 | struct msghdr msg; | |
748 | struct iovec vec[1]; | |
749 | struct cmsghdr *cmptr; | |
750 | ssize_t got; | |
751 | int got_fd; | |
752 | ||
753 | msg.msg_control = control.control; | |
754 | msg.msg_controllen = sizeof(control.control); | |
755 | /* We're a connected socket so we don't need a source */ | |
756 | msg.msg_name = NULL; | |
757 | msg.msg_namelen = 0; | |
758 | msg.msg_iov = vec; | |
c3caa5c3 | 759 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
760 | |
761 | vec[0].iov_base = (void*)⌖ | |
762 | vec[0].iov_len = sizeof(target); | |
763 | ||
764 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
765 | |
766 | if(got == 0) | |
767 | break; | |
768 | if(got < 0) { | |
808ad2d0 NC |
769 | where = "recv failed"; |
770 | goto abort; | |
2aa47728 NC |
771 | } |
772 | if(got < sizeof(target)) { | |
808ad2d0 NC |
773 | where = "short recv"; |
774 | goto abort; | |
2aa47728 | 775 | } |
bf357333 | 776 | |
808ad2d0 NC |
777 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
778 | where = "no cmsg"; | |
779 | goto abort; | |
780 | } | |
781 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
782 | where = "wrong cmsg_len"; | |
783 | goto abort; | |
784 | } | |
785 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
786 | where = "wrong cmsg_level"; | |
787 | goto abort; | |
788 | } | |
789 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
790 | where = "wrong cmsg_type"; | |
791 | goto abort; | |
792 | } | |
bf357333 NC |
793 | |
794 | got_fd = *(int*)CMSG_DATA(cmptr); | |
795 | /* For our last little bit of trickery, put the file descriptor | |
796 | back into Perl_debug_log, as if we never actually closed it | |
797 | */ | |
808ad2d0 NC |
798 | if(got_fd != debug_fd) { |
799 | if (dup2(got_fd, debug_fd) == -1) { | |
800 | where = "dup2"; | |
801 | goto abort; | |
802 | } | |
803 | } | |
2aa47728 | 804 | sv_dump(target); |
bf357333 | 805 | |
2aa47728 NC |
806 | PerlIO_flush(Perl_debug_log); |
807 | ||
808ad2d0 | 808 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
809 | |
810 | if(got < 0) { | |
808ad2d0 NC |
811 | where = "write failed"; |
812 | goto abort; | |
2aa47728 | 813 | } |
808ad2d0 NC |
814 | if(got < sizeof(success)) { |
815 | where = "short write"; | |
816 | goto abort; | |
2aa47728 NC |
817 | } |
818 | } | |
819 | _exit(0); | |
808ad2d0 NC |
820 | abort: |
821 | { | |
822 | int send_errno = errno; | |
823 | unsigned char length = (unsigned char) strlen(where); | |
824 | struct iovec failure[3] = { | |
825 | {(void*)&send_errno, sizeof(send_errno)}, | |
826 | {&length, 1}, | |
827 | {(void*)where, length} | |
828 | }; | |
829 | int got = writev(sock, failure, 3); | |
830 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
831 | in the parent if we try to read from the socketpair after the | |
832 | child has exited, even if there was data to read. | |
833 | So sleep a bit to give the parent a fighting chance of | |
834 | reading the data. */ | |
835 | sleep(2); | |
836 | _exit((got == -1) ? errno : 0); | |
837 | } | |
bf357333 | 838 | /* End of child. */ |
2aa47728 | 839 | } |
41e4abd8 | 840 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
841 | close(fd[1]); |
842 | } | |
843 | #endif | |
844 | ||
ff0cee69 | 845 | /* We must account for everything. */ |
846 | ||
847 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
848 | /* Set PL_curcop now, because destroying ops can cause new SVs |
849 | to be generated in Perl_pad_swipe, and when running with | |
850 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
851 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 852 | PL_curcop = &PL_compiling; |
3280af22 | 853 | if (PL_main_root) { |
4e380990 DM |
854 | /* ensure comppad/curpad to refer to main's pad */ |
855 | if (CvPADLIST(PL_main_cv)) { | |
856 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 857 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 858 | } |
3280af22 | 859 | op_free(PL_main_root); |
5f66b61c | 860 | PL_main_root = NULL; |
a0d0e21e | 861 | } |
5f66b61c | 862 | PL_main_start = NULL; |
aac9d523 DM |
863 | /* note that PL_main_cv isn't usually actually freed at this point, |
864 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
865 | * get freed once all the subs are freed in sv_clean_all(), for | |
866 | * destruct_level > 0 */ | |
3280af22 | 867 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 868 | PL_main_cv = NULL; |
ca7b837b | 869 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 870 | |
13621cfb NIS |
871 | /* Tell PerlIO we are about to tear things apart in case |
872 | we have layers which are using resources that should | |
873 | be cleaned up now. | |
874 | */ | |
875 | ||
876 | PerlIO_destruct(aTHX); | |
877 | ||
ddf23d4a S |
878 | /* |
879 | * Try to destruct global references. We do this first so that the | |
880 | * destructors and destructees still exist. Some sv's might remain. | |
881 | * Non-referenced objects are on their own. | |
882 | */ | |
883 | sv_clean_objs(); | |
8990e307 | 884 | |
5cd24f17 | 885 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 886 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 887 | PL_warnhook = NULL; |
3280af22 | 888 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 889 | PL_diehook = NULL; |
5cd24f17 | 890 | |
4b556e6c | 891 | /* call exit list functions */ |
3280af22 | 892 | while (PL_exitlistlen-- > 0) |
acfe0abc | 893 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 894 | |
3280af22 | 895 | Safefree(PL_exitlist); |
4b556e6c | 896 | |
1c4916e5 CB |
897 | PL_exitlist = NULL; |
898 | PL_exitlistlen = 0; | |
899 | ||
a3e6e81e NC |
900 | SvREFCNT_dec(PL_registered_mros); |
901 | ||
551a8b83 | 902 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
903 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
904 | * so we certainly shouldn't free it here | |
905 | */ | |
2f42fcb0 | 906 | #ifndef PERL_MICRO |
4b647fb0 | 907 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 908 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
909 | #ifdef USE_ITHREADS |
910 | /* only main thread can free environ[0] contents */ | |
911 | && PL_curinterp == aTHX | |
912 | #endif | |
913 | ) | |
914 | { | |
551a8b83 JH |
915 | I32 i; |
916 | ||
917 | for (i = 0; environ[i]; i++) | |
4b420006 | 918 | safesysfree(environ[i]); |
0631ea03 | 919 | |
4b420006 JH |
920 | /* Must use safesysfree() when working with environ. */ |
921 | safesysfree(environ); | |
551a8b83 JH |
922 | |
923 | environ = PL_origenviron; | |
924 | } | |
925 | #endif | |
2f42fcb0 | 926 | #endif /* !PERL_MICRO */ |
551a8b83 | 927 | |
30985c42 JH |
928 | if (destruct_level == 0) { |
929 | ||
930 | DEBUG_P(debprofdump()); | |
931 | ||
932 | #if defined(PERLIO_LAYERS) | |
933 | /* No more IO - including error messages ! */ | |
934 | PerlIO_cleanup(aTHX); | |
935 | #endif | |
936 | ||
937 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
938 | |
939 | /* The exit() function will do everything that needs doing. */ | |
940 | return STATUS_EXIT; | |
941 | } | |
942 | ||
9fa9f06b KW |
943 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
944 | ||
5f8cb046 DM |
945 | #ifdef USE_ITHREADS |
946 | /* the syntax tree is shared between clones | |
947 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
948 | * REGEXPs in the parent interpreter | |
949 | * we need to manually ReREFCNT_dec for the clones | |
950 | */ | |
0547a729 DM |
951 | { |
952 | I32 i = AvFILLp(PL_regex_padav); | |
953 | SV **ary = AvARRAY(PL_regex_padav); | |
954 | ||
955 | for (; i; i--) { | |
956 | SvREFCNT_dec(ary[i]); | |
957 | ary[i] = &PL_sv_undef; | |
958 | } | |
959 | } | |
5f8cb046 DM |
960 | #endif |
961 | ||
0547a729 | 962 | |
ad64d0ec | 963 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
964 | PL_stashcache = NULL; |
965 | ||
5f05dabc | 966 | /* loosen bonds of global variables */ |
967 | ||
2f9285f8 DM |
968 | /* XXX can PL_parser still be non-null here? */ |
969 | if(PL_parser && PL_parser->rsfp) { | |
970 | (void)PerlIO_close(PL_parser->rsfp); | |
971 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 972 | } |
973 | ||
84386e14 RGS |
974 | if (PL_minus_F) { |
975 | Safefree(PL_splitstr); | |
976 | PL_splitstr = NULL; | |
977 | } | |
978 | ||
8ebc5c01 | 979 | /* switches */ |
3280af22 NIS |
980 | PL_minus_n = FALSE; |
981 | PL_minus_p = FALSE; | |
982 | PL_minus_l = FALSE; | |
983 | PL_minus_a = FALSE; | |
984 | PL_minus_F = FALSE; | |
985 | PL_doswitches = FALSE; | |
599cee73 | 986 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 987 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 988 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 989 | #endif |
3280af22 NIS |
990 | PL_unsafe = FALSE; |
991 | ||
992 | Safefree(PL_inplace); | |
bd61b366 | 993 | PL_inplace = NULL; |
a7cb1f99 | 994 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
995 | |
996 | if (PL_e_script) { | |
997 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 998 | PL_e_script = NULL; |
8ebc5c01 | 999 | } |
1000 | ||
bf9cdc68 RG |
1001 | PL_perldb = 0; |
1002 | ||
8ebc5c01 | 1003 | /* magical thingies */ |
1004 | ||
e23d9e2f CS |
1005 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
1006 | PL_ofsgv = NULL; | |
5f05dabc | 1007 | |
7889fe52 | 1008 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 1009 | PL_ors_sv = NULL; |
8ebc5c01 | 1010 | |
3280af22 | 1011 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 1012 | PL_rs = NULL; |
dc92893f | 1013 | |
d33b2eba | 1014 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 1015 | PL_osname = NULL; |
5f05dabc | 1016 | |
3280af22 | 1017 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
1018 | PL_statname = NULL; |
1019 | PL_statgv = NULL; | |
5f05dabc | 1020 | |
8ebc5c01 | 1021 | /* defgv, aka *_ should be taken care of elsewhere */ |
1022 | ||
7d5ea4e7 GS |
1023 | /* float buffer */ |
1024 | Safefree(PL_efloatbuf); | |
bd61b366 | 1025 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
1026 | PL_efloatsize = 0; |
1027 | ||
8ebc5c01 | 1028 | /* startup and shutdown function lists */ |
3280af22 | 1029 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 1030 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 1031 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1032 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1033 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1034 | SvREFCNT_dec(PL_unitcheckav); |
1035 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1036 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1037 | PL_beginav = NULL; |
1038 | PL_beginav_save = NULL; | |
1039 | PL_endav = NULL; | |
1040 | PL_checkav = NULL; | |
1041 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1042 | PL_unitcheckav = NULL; |
1043 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1044 | PL_initav = NULL; |
5618dfe8 | 1045 | |
8ebc5c01 | 1046 | /* shortcuts just get cleared */ |
a0714e2c SS |
1047 | PL_hintgv = NULL; |
1048 | PL_errgv = NULL; | |
a0714e2c SS |
1049 | PL_argvoutgv = NULL; |
1050 | PL_stdingv = NULL; | |
1051 | PL_stderrgv = NULL; | |
1052 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1053 | PL_DBsingle = NULL; |
1054 | PL_DBtrace = NULL; | |
1055 | PL_DBsignal = NULL; | |
a6d69523 TC |
1056 | PL_DBsingle_iv = 0; |
1057 | PL_DBtrace_iv = 0; | |
1058 | PL_DBsignal_iv = 0; | |
601f1833 | 1059 | PL_DBcv = NULL; |
7d49f689 | 1060 | PL_dbargs = NULL; |
5c284bb0 | 1061 | PL_debstash = NULL; |
8ebc5c01 | 1062 | |
cf93a474 | 1063 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1064 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1065 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1066 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1067 | SvREFCNT_dec(PL_DBgv); |
1068 | SvREFCNT_dec(PL_DBline); | |
1069 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1070 | PL_envgv = NULL; |
f03015cd | 1071 | PL_incgv = NULL; |
722fa0e9 | 1072 | PL_argvgv = NULL; |
475b1e90 | 1073 | PL_replgv = NULL; |
8cece913 FC |
1074 | PL_DBgv = NULL; |
1075 | PL_DBline = NULL; | |
1076 | PL_DBsub = NULL; | |
1077 | ||
7a1c5554 | 1078 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1079 | PL_argvout_stack = NULL; |
8ebc5c01 | 1080 | |
5c831c24 | 1081 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1082 | PL_modglobal = NULL; |
5c831c24 | 1083 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1084 | PL_preambleav = NULL; |
5c831c24 | 1085 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1086 | PL_subname = NULL; |
ca0c25f6 | 1087 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1088 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1089 | PL_pidstatus = NULL; |
ca0c25f6 | 1090 | #endif |
5c831c24 | 1091 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1092 | PL_toptarget = NULL; |
5c831c24 | 1093 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1094 | PL_bodytarget = NULL; |
1095 | PL_formtarget = NULL; | |
5c831c24 | 1096 | |
d33b2eba | 1097 | /* free locale stuff */ |
b9582b6a | 1098 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1099 | Safefree(PL_collation_name); |
bd61b366 | 1100 | PL_collation_name = NULL; |
b9582b6a | 1101 | #endif |
d33b2eba | 1102 | |
b9582b6a | 1103 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1104 | Safefree(PL_numeric_name); |
bd61b366 | 1105 | PL_numeric_name = NULL; |
a453c169 | 1106 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1107 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1108 | #endif |
d33b2eba | 1109 | |
9c0b6888 KW |
1110 | /* clear character classes */ |
1111 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1112 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1113 | PL_utf8_swash_ptrs[i] = NULL; | |
1114 | } | |
5c831c24 GS |
1115 | SvREFCNT_dec(PL_utf8_mark); |
1116 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1117 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1118 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1119 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1120 | SvREFCNT_dec(PL_utf8_idstart); |
1121 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1122 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1123 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1124 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1125 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1126 | SvREFCNT_dec(PL_UpperLatin1); |
1127 | SvREFCNT_dec(PL_Latin1); | |
1128 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1129 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1130 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1131 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1132 | #endif |
a0714e2c SS |
1133 | PL_utf8_mark = NULL; |
1134 | PL_utf8_toupper = NULL; | |
1135 | PL_utf8_totitle = NULL; | |
1136 | PL_utf8_tolower = NULL; | |
1137 | PL_utf8_tofold = NULL; | |
1138 | PL_utf8_idstart = NULL; | |
1139 | PL_utf8_idcont = NULL; | |
2726813d | 1140 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1141 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1142 | PL_InBitmap = NULL; |
9fa9f06b | 1143 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1144 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1145 | PL_warn_locale = NULL; |
5b7de470 | 1146 | #endif |
9fa9f06b KW |
1147 | PL_Latin1 = NULL; |
1148 | PL_NonL1NonFinalFold = NULL; | |
1149 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1150 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1151 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1152 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1153 | } |
64935bc6 | 1154 | PL_GCB_invlist = NULL; |
6b659339 | 1155 | PL_LB_invlist = NULL; |
06ae2722 | 1156 | PL_SB_invlist = NULL; |
ae3bb8ea | 1157 | PL_WB_invlist = NULL; |
9e7ded3f | 1158 | PL_Assigned_invlist = NULL; |
5c831c24 | 1159 | |
971a9dd3 | 1160 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1161 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1162 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1163 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1164 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1165 | CopFILE_free(&PL_compiling); |
5c831c24 | 1166 | |
a0d0e21e | 1167 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1168 | |
3280af22 | 1169 | hv = PL_defstash; |
ca556bcd | 1170 | /* break ref loop *:: <=> %:: */ |
854da30f | 1171 | (void)hv_deletes(hv, "main::", G_DISCARD); |
3280af22 | 1172 | PL_defstash = 0; |
a0d0e21e | 1173 | SvREFCNT_dec(hv); |
5c831c24 | 1174 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1175 | PL_curstname = NULL; |
a0d0e21e | 1176 | |
5a844595 GS |
1177 | /* clear queued errors */ |
1178 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1179 | PL_errors = NULL; |
5a844595 | 1180 | |
dd69841b BB |
1181 | SvREFCNT_dec(PL_isarev); |
1182 | ||
a0d0e21e | 1183 | FREETMPS; |
9b387841 | 1184 | if (destruct_level >= 2) { |
3280af22 | 1185 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1186 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1187 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1188 | (long)PL_scopestack_ix); | |
3280af22 | 1189 | if (PL_savestack_ix != 0) |
9b387841 NC |
1190 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1191 | "Unbalanced saves: %ld more saves than restores\n", | |
1192 | (long)PL_savestack_ix); | |
3280af22 | 1193 | if (PL_tmps_floor != -1) |
9b387841 NC |
1194 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1195 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1196 | if (cxstack_ix != -1) |
9b387841 NC |
1197 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1198 | (long)cxstack_ix + 1); | |
a0d0e21e | 1199 | } |
8990e307 | 1200 | |
0547a729 DM |
1201 | #ifdef USE_ITHREADS |
1202 | SvREFCNT_dec(PL_regex_padav); | |
1203 | PL_regex_padav = NULL; | |
1204 | PL_regex_pad = NULL; | |
1205 | #endif | |
1206 | ||
776df701 | 1207 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1208 | /* the entries in this list are allocated via SV PVX's, so get freed |
1209 | * in sv_clean_all */ | |
1210 | Safefree(PL_my_cxt_list); | |
776df701 | 1211 | #endif |
57bb2458 | 1212 | |
8990e307 | 1213 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1214 | |
1215 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1216 | while (sv_clean_all() > 2) |
5226ed68 JH |
1217 | ; |
1218 | ||
23083432 FC |
1219 | #ifdef USE_ITHREADS |
1220 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1221 | #endif | |
1222 | ||
d4777f27 GS |
1223 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1224 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1225 | PL_fdpid = NULL; |
d33b2eba | 1226 | |
6c644e78 GS |
1227 | #ifdef HAVE_INTERP_INTERN |
1228 | sys_intern_clear(); | |
1229 | #endif | |
1230 | ||
a38ab475 RZ |
1231 | /* constant strings */ |
1232 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1233 | SvREFCNT_dec(PL_sv_consts[i]); | |
1234 | PL_sv_consts[i] = NULL; | |
1235 | } | |
1236 | ||
6e72f9df | 1237 | /* Destruct the global string table. */ |
1238 | { | |
1239 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1240 | * so that sv_free() won't fail on them. | |
80459961 NC |
1241 | * Now that the global string table is using a single hunk of memory |
1242 | * for both HE and HEK, we either need to explicitly unshare it the | |
1243 | * correct way, or actually free things here. | |
6e72f9df | 1244 | */ |
80459961 NC |
1245 | I32 riter = 0; |
1246 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1247 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1248 | HE *hent = array[0]; |
1249 | ||
6e72f9df | 1250 | for (;;) { |
0453d815 | 1251 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1252 | HE * const next = HeNEXT(hent); |
9014280d | 1253 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1254 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1255 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1256 | Safefree(hent); |
1257 | hent = next; | |
6e72f9df | 1258 | } |
1259 | if (!hent) { | |
1260 | if (++riter > max) | |
1261 | break; | |
1262 | hent = array[riter]; | |
1263 | } | |
1264 | } | |
80459961 NC |
1265 | |
1266 | Safefree(array); | |
1267 | HvARRAY(PL_strtab) = 0; | |
1268 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1269 | } |
3280af22 | 1270 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1271 | |
e652bb2f | 1272 | #ifdef USE_ITHREADS |
c21d1a0f | 1273 | /* free the pointer tables used for cloning */ |
a0739874 | 1274 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1275 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1276 | #endif |
a0739874 | 1277 | |
d33b2eba GS |
1278 | /* free special SVs */ |
1279 | ||
1280 | SvREFCNT(&PL_sv_yes) = 0; | |
1281 | sv_clear(&PL_sv_yes); | |
1282 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1283 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1284 | |
1285 | SvREFCNT(&PL_sv_no) = 0; | |
1286 | sv_clear(&PL_sv_no); | |
1287 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1288 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1289 | |
9f375a43 DM |
1290 | { |
1291 | int i; | |
1292 | for (i=0; i<=2; i++) { | |
1293 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1294 | sv_clear(PERL_DEBUG_PAD(i)); | |
1295 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1296 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1297 | } | |
1298 | } | |
1299 | ||
0453d815 | 1300 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1301 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1302 | |
eba0f806 DM |
1303 | #ifdef DEBUG_LEAKING_SCALARS |
1304 | if (PL_sv_count != 0) { | |
1305 | SV* sva; | |
1306 | SV* sv; | |
eb578fdb | 1307 | SV* svend; |
eba0f806 | 1308 | |
ad64d0ec | 1309 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1310 | svend = &sva[SvREFCNT(sva)]; |
1311 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1312 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1313 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1314 | " flags=0x%"UVxf |
fd0854ff | 1315 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
147e3846 KW |
1316 | "\tallocated at %s:%d %s %s (parent 0x%" UVxf ");" |
1317 | "serial %" UVuf "\n", | |
574b8821 NC |
1318 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1319 | pTHX__VALUE, | |
fd0854ff DM |
1320 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1321 | sv->sv_debug_line, | |
1322 | sv->sv_debug_inpad ? "for" : "by", | |
1323 | sv->sv_debug_optype ? | |
1324 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1325 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1326 | sv->sv_debug_serial |
fd0854ff | 1327 | ); |
2aa47728 | 1328 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1329 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1330 | #endif |
eba0f806 DM |
1331 | } |
1332 | } | |
1333 | } | |
1334 | } | |
2aa47728 NC |
1335 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1336 | { | |
1337 | int status; | |
1338 | fd_set rset; | |
1339 | /* Wait for up to 4 seconds for child to terminate. | |
1340 | This seems to be the least effort way of timing out on reaping | |
1341 | its exit status. */ | |
1342 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1343 | int sock = PL_dumper_fd; |
2aa47728 NC |
1344 | |
1345 | shutdown(sock, 1); | |
1346 | FD_ZERO(&rset); | |
1347 | FD_SET(sock, &rset); | |
1348 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1349 | waitpid(child, &status, WNOHANG); | |
1350 | close(sock); | |
1351 | } | |
1352 | #endif | |
eba0f806 | 1353 | #endif |
77abb4c6 NC |
1354 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1355 | if (PL_sv_count) | |
1356 | abort(); | |
1357 | #endif | |
bf9cdc68 | 1358 | PL_sv_count = 0; |
eba0f806 | 1359 | |
56a2bab7 | 1360 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1361 | /* No more IO - including error messages ! */ |
1362 | PerlIO_cleanup(aTHX); | |
1363 | #endif | |
1364 | ||
9f4bd222 | 1365 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1366 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1367 | for no arg - and will try and SvREFCNT_dec it. |
1368 | */ | |
1369 | SvREFCNT(&PL_sv_undef) = 0; | |
1370 | SvREADONLY_off(&PL_sv_undef); | |
1371 | ||
3280af22 | 1372 | Safefree(PL_origfilename); |
bd61b366 | 1373 | PL_origfilename = NULL; |
43c5f42d | 1374 | Safefree(PL_reg_curpm); |
dd28f7bb | 1375 | free_tied_hv_pool(); |
3280af22 | 1376 | Safefree(PL_op_mask); |
cf36064f | 1377 | Safefree(PL_psig_name); |
bf9cdc68 | 1378 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1379 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1380 | { |
1381 | /* We need to NULL PL_psig_pend first, so that | |
1382 | signal handlers know not to use it */ | |
1383 | int *psig_save = PL_psig_pend; | |
1384 | PL_psig_pend = (int*)NULL; | |
1385 | Safefree(psig_save); | |
1386 | } | |
6e72f9df | 1387 | nuke_stacks(); |
284167a5 S |
1388 | TAINTING_set(FALSE); |
1389 | TAINT_WARN_set(FALSE); | |
3280af22 | 1390 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1391 | |
a0d0e21e | 1392 | DEBUG_P(debprofdump()); |
d33b2eba | 1393 | |
b173165c FC |
1394 | PL_debug = 0; |
1395 | ||
e5dd39fc | 1396 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1397 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1398 | #endif |
1399 | ||
a24da70b NC |
1400 | /* These all point to HVs that are about to be blown away. |
1401 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1402 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1403 | PL_custom_op_names = NULL; | |
1404 | PL_custom_op_descs = NULL; | |
1405 | PL_custom_ops = NULL; | |
1406 | ||
612f20c3 GS |
1407 | sv_free_arenas(); |
1408 | ||
5d9a96ca DM |
1409 | while (PL_regmatch_slab) { |
1410 | regmatch_slab *s = PL_regmatch_slab; | |
1411 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1412 | Safefree(s); | |
1413 | } | |
1414 | ||
fc36a67e | 1415 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1416 | ||
3280af22 | 1417 | if (PL_mess_sv) { |
f350b448 NC |
1418 | /* we know that type == SVt_PVMG */ |
1419 | ||
9c63abab | 1420 | /* it could have accumulated taint magic */ |
f350b448 NC |
1421 | MAGIC* mg; |
1422 | MAGIC* moremagic; | |
1423 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1424 | moremagic = mg->mg_moremagic; | |
1425 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1426 | && mg->mg_len >= 0) | |
1427 | Safefree(mg->mg_ptr); | |
1428 | Safefree(mg); | |
9c63abab | 1429 | } |
f350b448 | 1430 | |
fc36a67e | 1431 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1432 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1433 | Safefree(SvANY(PL_mess_sv)); |
1434 | Safefree(PL_mess_sv); | |
a0714e2c | 1435 | PL_mess_sv = NULL; |
fc36a67e | 1436 | } |
37038d91 | 1437 | return STATUS_EXIT; |
79072805 LW |
1438 | } |
1439 | ||
954c1994 GS |
1440 | /* |
1441 | =for apidoc perl_free | |
1442 | ||
1443 | Releases a Perl interpreter. See L<perlembed>. | |
1444 | ||
1445 | =cut | |
1446 | */ | |
1447 | ||
79072805 | 1448 | void |
0cb96387 | 1449 | perl_free(pTHXx) |
79072805 | 1450 | { |
5174512c NC |
1451 | dVAR; |
1452 | ||
7918f24d NC |
1453 | PERL_ARGS_ASSERT_PERL_FREE; |
1454 | ||
c301d606 DM |
1455 | if (PL_veto_cleanup) |
1456 | return; | |
1457 | ||
7cb608b5 | 1458 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1459 | { |
1460 | /* | |
1461 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1462 | * value as we're probably hunting memory leaks then | |
1463 | */ | |
36e77d41 | 1464 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1465 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1466 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1467 | thread at thread exit. */ | |
4fd0a9b8 NC |
1468 | if (DEBUG_m_TEST) { |
1469 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1470 | "free this thread's memory\n"); | |
1471 | PL_debug &= ~ DEBUG_m_FLAG; | |
1472 | } | |
6edcbed6 DD |
1473 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1474 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1475 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1476 | safesysfree(ptr); | |
1477 | } | |
4fd0a9b8 | 1478 | PL_debug = old_debug; |
55ef9aae MHM |
1479 | } |
1480 | } | |
7cb608b5 NC |
1481 | #endif |
1482 | ||
acfe0abc | 1483 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1484 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1485 | { |
acfe0abc | 1486 | # ifdef NETWARE |
7af12a34 | 1487 | void *host = nw_internal_host; |
7af12a34 | 1488 | PerlMem_free(aTHXx); |
7af12a34 | 1489 | nw_delete_internal_host(host); |
acfe0abc | 1490 | # else |
bdb50480 NC |
1491 | void *host = w32_internal_host; |
1492 | PerlMem_free(aTHXx); | |
7af12a34 | 1493 | win32_delete_internal_host(host); |
acfe0abc | 1494 | # endif |
7af12a34 | 1495 | } |
1c0ca838 GS |
1496 | # else |
1497 | PerlMem_free(aTHXx); | |
1498 | # endif | |
acfe0abc GS |
1499 | #else |
1500 | PerlMem_free(aTHXx); | |
76e3520e | 1501 | #endif |
79072805 LW |
1502 | } |
1503 | ||
b7f7fff6 | 1504 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1505 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1506 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1507 | ||
826955bd | 1508 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1509 | #pragma fini "perl_fini" |
666ad1ec GA |
1510 | #elif defined(__sun) && !defined(__GNUC__) |
1511 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1512 | #endif |
1513 | ||
0dbb1585 AL |
1514 | static void |
1515 | #if defined(__GNUC__) | |
1516 | __attribute__((destructor)) | |
aebd1ac7 | 1517 | #endif |
de009b76 | 1518 | perl_fini(void) |
aebd1ac7 | 1519 | { |
27da23d5 | 1520 | dVAR; |
5c64bffd NC |
1521 | if ( |
1522 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1523 | my_vars && | |
1524 | #endif | |
1525 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1526 | FREE_THREAD_KEY; |
1527 | } | |
1528 | ||
1529 | #endif /* WIN32 */ | |
1530 | #endif /* THREADS */ | |
1531 | ||
4b556e6c | 1532 | void |
864dbfa3 | 1533 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1534 | { |
3280af22 NIS |
1535 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1536 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1537 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1538 | ++PL_exitlistlen; | |
4b556e6c JD |
1539 | } |
1540 | ||
954c1994 GS |
1541 | /* |
1542 | =for apidoc perl_parse | |
1543 | ||
1544 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1545 | ||
1546 | =cut | |
1547 | */ | |
1548 | ||
03d9f026 FC |
1549 | #define SET_CURSTASH(newstash) \ |
1550 | if (PL_curstash != newstash) { \ | |
1551 | SvREFCNT_dec(PL_curstash); \ | |
1552 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1553 | } | |
1554 | ||
79072805 | 1555 | int |
0cb96387 | 1556 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1557 | { |
27da23d5 | 1558 | dVAR; |
6224f72b | 1559 | I32 oldscope; |
6224f72b | 1560 | int ret; |
db36c5a1 | 1561 | dJMPENV; |
8d063cd8 | 1562 | |
7918f24d NC |
1563 | PERL_ARGS_ASSERT_PERL_PARSE; |
1564 | #ifndef MULTIPLICITY | |
ed6c66dd | 1565 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1566 | #endif |
1a237f4f | 1567 | #if (defined(USE_HASH_SEED) || defined(USE_HASH_SEED_DEBUG)) && !defined(NO_PERL_HASH_SEED_DEBUG) |
b0891165 | 1568 | { |
7dc86639 YO |
1569 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1570 | ||
22ff3130 | 1571 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1572 | const unsigned char *seed= PERL_HASH_SEED; |
1573 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1574 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1575 | while (seed < seed_end) { | |
1576 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1577 | } | |
6a5b4183 YO |
1578 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1579 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1580 | PL_HASH_RAND_BITS_ENABLED, | |
1581 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1582 | #endif | |
7dc86639 YO |
1583 | PerlIO_printf(Perl_debug_log, "\n"); |
1584 | } | |
b0891165 | 1585 | } |
1a237f4f | 1586 | #endif /* #if (defined(USE_HASH_SEED) ... */ |
43238333 | 1587 | |
ea34f6bd | 1588 | #ifdef __amigaos4__ |
43238333 AB |
1589 | { |
1590 | struct NameTranslationInfo nti; | |
1591 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1592 | } | |
1593 | #endif | |
1594 | ||
3280af22 | 1595 | PL_origargc = argc; |
e2975953 | 1596 | PL_origargv = argv; |
a0d0e21e | 1597 | |
a2722ac9 GA |
1598 | if (PL_origalen != 0) { |
1599 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1600 | } | |
1601 | else { | |
3cb9023d JH |
1602 | /* Set PL_origalen be the sum of the contiguous argv[] |
1603 | * elements plus the size of the env in case that it is | |
e9137a8e | 1604 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1605 | * as the maximum modifiable length of $0. In the worst case |
1606 | * the area we are able to modify is limited to the size of | |
43c32782 | 1607 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1608 | * --jhi */ |
e1ec3a88 | 1609 | const char *s = NULL; |
b7249aaf | 1610 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1611 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1612 | const UV aligned = |
43c32782 JH |
1613 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1614 | ||
1615 | /* See if all the arguments are contiguous in memory. Note | |
1616 | * that 'contiguous' is a loose term because some platforms | |
1617 | * align the argv[] and the envp[]. If the arguments look | |
1618 | * like non-aligned, assume that they are 'strictly' or | |
1619 | * 'traditionally' contiguous. If the arguments look like | |
1620 | * aligned, we just check that they are within aligned | |
1621 | * PTRSIZE bytes. As long as no system has something bizarre | |
1622 | * like the argv[] interleaved with some other data, we are | |
1623 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb | 1624 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
19742f39 | 1625 | int i; |
c8941eeb JH |
1626 | while (*s) s++; |
1627 | for (i = 1; i < PL_origargc; i++) { | |
1628 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1629 | #ifdef OS2 |
c8941eeb | 1630 | || PL_origargv[i] == s + 2 |
43c32782 | 1631 | #endif |
c8941eeb JH |
1632 | ) |
1633 | || | |
1634 | (aligned && | |
1635 | (PL_origargv[i] > s && | |
1636 | PL_origargv[i] <= | |
1637 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1638 | ) | |
1639 | { | |
1640 | s = PL_origargv[i]; | |
1641 | while (*s) s++; | |
1642 | } | |
1643 | else | |
1644 | break; | |
54bfe034 | 1645 | } |
54bfe034 | 1646 | } |
a4a109c2 JD |
1647 | |
1648 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1649 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1650 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1651 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1652 | || |
1653 | (aligned && | |
1654 | (PL_origenviron[0] > s && | |
1655 | PL_origenviron[0] <= | |
1656 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1657 | ) | |
1658 | { | |
19742f39 | 1659 | int i; |
9d419b5f | 1660 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1661 | s = PL_origenviron[0]; |
1662 | while (*s) s++; | |
1663 | #endif | |
bd61b366 | 1664 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1665 | /* Force copy of environment. */ |
1666 | for (i = 1; PL_origenviron[i]; i++) { | |
1667 | if (PL_origenviron[i] == s + 1 | |
1668 | || | |
1669 | (aligned && | |
1670 | (PL_origenviron[i] > s && | |
1671 | PL_origenviron[i] <= | |
1672 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1673 | ) | |
1674 | { | |
1675 | s = PL_origenviron[i]; | |
1676 | while (*s) s++; | |
1677 | } | |
1678 | else | |
1679 | break; | |
54bfe034 | 1680 | } |
43c32782 | 1681 | } |
54bfe034 | 1682 | } |
a4a109c2 JD |
1683 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1684 | ||
2d2af554 | 1685 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1686 | } |
1687 | ||
3280af22 | 1688 | if (PL_do_undump) { |
a0d0e21e LW |
1689 | |
1690 | /* Come here if running an undumped a.out. */ | |
1691 | ||
3280af22 NIS |
1692 | PL_origfilename = savepv(argv[0]); |
1693 | PL_do_undump = FALSE; | |
a0d0e21e | 1694 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1695 | init_ids(); |
284167a5 | 1696 | assert (!TAINT_get); |
b7975bdd | 1697 | TAINT; |
e2051532 | 1698 | set_caret_X(); |
b7975bdd | 1699 | TAINT_NOT; |
a0d0e21e LW |
1700 | init_postdump_symbols(argc,argv,env); |
1701 | return 0; | |
1702 | } | |
1703 | ||
3280af22 | 1704 | if (PL_main_root) { |
3280af22 | 1705 | op_free(PL_main_root); |
5f66b61c | 1706 | PL_main_root = NULL; |
ff0cee69 | 1707 | } |
5f66b61c | 1708 | PL_main_start = NULL; |
3280af22 | 1709 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1710 | PL_main_cv = NULL; |
79072805 | 1711 | |
3280af22 NIS |
1712 | time(&PL_basetime); |
1713 | oldscope = PL_scopestack_ix; | |
599cee73 | 1714 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1715 | |
14dd3ad8 | 1716 | JMPENV_PUSH(ret); |
6224f72b | 1717 | switch (ret) { |
312caa8e | 1718 | case 0: |
14dd3ad8 | 1719 | parse_body(env,xsinit); |
9ebf26ad | 1720 | if (PL_unitcheckav) { |
3c10abe3 | 1721 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1722 | } |
1723 | if (PL_checkav) { | |
ca7b837b | 1724 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1725 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1726 | } |
14dd3ad8 GS |
1727 | ret = 0; |
1728 | break; | |
6224f72b GS |
1729 | case 1: |
1730 | STATUS_ALL_FAILURE; | |
924ba076 | 1731 | /* FALLTHROUGH */ |
6224f72b GS |
1732 | case 2: |
1733 | /* my_exit() was called */ | |
3280af22 | 1734 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1735 | LEAVE; |
1736 | FREETMPS; | |
03d9f026 | 1737 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1738 | if (PL_unitcheckav) { |
3c10abe3 | 1739 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1740 | } |
1741 | if (PL_checkav) { | |
ca7b837b | 1742 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1743 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1744 | } |
37038d91 | 1745 | ret = STATUS_EXIT; |
14dd3ad8 | 1746 | break; |
6224f72b | 1747 | case 3: |
bf49b057 | 1748 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1749 | ret = 1; |
1750 | break; | |
6224f72b | 1751 | } |
14dd3ad8 GS |
1752 | JMPENV_POP; |
1753 | return ret; | |
1754 | } | |
1755 | ||
4a5df386 NC |
1756 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1757 | miniperl, and we need to see those flags reflected in the values here. */ | |
1758 | ||
1759 | /* What this returns is subject to change. Use the public interface in Config. | |
1760 | */ | |
1761 | static void | |
1762 | S_Internals_V(pTHX_ CV *cv) | |
1763 | { | |
1764 | dXSARGS; | |
1765 | #ifdef LOCAL_PATCH_COUNT | |
1766 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1767 | #else | |
1768 | const int local_patch_count = 0; | |
1769 | #endif | |
2dc296d2 | 1770 | const int entries = 3 + local_patch_count; |
4a5df386 | 1771 | int i; |
fe1c5936 | 1772 | static const char non_bincompat_options[] = |
4a5df386 NC |
1773 | # ifdef DEBUGGING |
1774 | " DEBUGGING" | |
1775 | # endif | |
1776 | # ifdef NO_MATHOMS | |
0d311fbe | 1777 | " NO_MATHOMS" |
4a5df386 | 1778 | # endif |
59b86f4b DM |
1779 | # ifdef NO_HASH_SEED |
1780 | " NO_HASH_SEED" | |
1781 | # endif | |
3b0e4ee2 MB |
1782 | # ifdef NO_TAINT_SUPPORT |
1783 | " NO_TAINT_SUPPORT" | |
1784 | # endif | |
cb26ef7a MB |
1785 | # ifdef PERL_BOOL_AS_CHAR |
1786 | " PERL_BOOL_AS_CHAR" | |
1787 | # endif | |
93c10d60 FC |
1788 | # ifdef PERL_COPY_ON_WRITE |
1789 | " PERL_COPY_ON_WRITE" | |
1790 | # endif | |
4a5df386 NC |
1791 | # ifdef PERL_DISABLE_PMC |
1792 | " PERL_DISABLE_PMC" | |
1793 | # endif | |
1794 | # ifdef PERL_DONT_CREATE_GVSV | |
1795 | " PERL_DONT_CREATE_GVSV" | |
1796 | # endif | |
9a044a43 NC |
1797 | # ifdef PERL_EXTERNAL_GLOB |
1798 | " PERL_EXTERNAL_GLOB" | |
1799 | # endif | |
59b86f4b DM |
1800 | # ifdef PERL_HASH_FUNC_SIPHASH |
1801 | " PERL_HASH_FUNC_SIPHASH" | |
1802 | # endif | |
1803 | # ifdef PERL_HASH_FUNC_SDBM | |
1804 | " PERL_HASH_FUNC_SDBM" | |
1805 | # endif | |
1806 | # ifdef PERL_HASH_FUNC_DJB2 | |
1807 | " PERL_HASH_FUNC_DJB2" | |
1808 | # endif | |
1809 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1810 | " PERL_HASH_FUNC_SUPERFAST" | |
1811 | # endif | |
1812 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1813 | " PERL_HASH_FUNC_MURMUR3" | |
1814 | # endif | |
1815 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1816 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1817 | # endif | |
1818 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1819 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1820 | # endif | |
1821 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1822 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1823 | # endif | |
4a5df386 NC |
1824 | # ifdef PERL_IS_MINIPERL |
1825 | " PERL_IS_MINIPERL" | |
1826 | # endif | |
1827 | # ifdef PERL_MALLOC_WRAP | |
1828 | " PERL_MALLOC_WRAP" | |
1829 | # endif | |
1830 | # ifdef PERL_MEM_LOG | |
1831 | " PERL_MEM_LOG" | |
1832 | # endif | |
1833 | # ifdef PERL_MEM_LOG_NOIMPL | |
1834 | " PERL_MEM_LOG_NOIMPL" | |
1835 | # endif | |
4e499636 DM |
1836 | # ifdef PERL_OP_PARENT |
1837 | " PERL_OP_PARENT" | |
1838 | # endif | |
59b86f4b DM |
1839 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1840 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1841 | # endif | |
1842 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1843 | " PERL_PERTURB_KEYS_DISABLED" | |
1844 | # endif | |
1845 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1846 | " PERL_PERTURB_KEYS_RANDOM" | |
1847 | # endif | |
c3cf41ec NC |
1848 | # ifdef PERL_PRESERVE_IVUV |
1849 | " PERL_PRESERVE_IVUV" | |
1850 | # endif | |
c051e30b NC |
1851 | # ifdef PERL_RELOCATABLE_INCPUSH |
1852 | " PERL_RELOCATABLE_INCPUSH" | |
1853 | # endif | |
4a5df386 NC |
1854 | # ifdef PERL_USE_DEVEL |
1855 | " PERL_USE_DEVEL" | |
1856 | # endif | |
1857 | # ifdef PERL_USE_SAFE_PUTENV | |
1858 | " PERL_USE_SAFE_PUTENV" | |
1859 | # endif | |
102b7877 YO |
1860 | # ifdef SILENT_NO_TAINT_SUPPORT |
1861 | " SILENT_NO_TAINT_SUPPORT" | |
1862 | # endif | |
a3749cf3 NC |
1863 | # ifdef UNLINK_ALL_VERSIONS |
1864 | " UNLINK_ALL_VERSIONS" | |
1865 | # endif | |
de618ee4 NC |
1866 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1867 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1868 | # endif | |
4a5df386 NC |
1869 | # ifdef USE_FAST_STDIO |
1870 | " USE_FAST_STDIO" | |
1871 | # endif | |
98548bdf NC |
1872 | # ifdef USE_LOCALE |
1873 | " USE_LOCALE" | |
1874 | # endif | |
98548bdf NC |
1875 | # ifdef USE_LOCALE_CTYPE |
1876 | " USE_LOCALE_CTYPE" | |
1877 | # endif | |
6937817d DD |
1878 | # ifdef WIN32_NO_REGISTRY |
1879 | " USE_NO_REGISTRY" | |
1880 | # endif | |
5a8d8935 NC |
1881 | # ifdef USE_PERL_ATOF |
1882 | " USE_PERL_ATOF" | |
1883 | # endif | |
0d311fbe NC |
1884 | # ifdef USE_SITECUSTOMIZE |
1885 | " USE_SITECUSTOMIZE" | |
1886 | # endif | |
4a5df386 NC |
1887 | ; |
1888 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1889 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1890 | |
1891 | EXTEND(SP, entries); | |
1892 | ||
1893 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1894 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1895 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1896 | ||
6baa8dbd NT |
1897 | #ifndef PERL_BUILD_DATE |
1898 | # ifdef __DATE__ | |
1899 | # ifdef __TIME__ | |
1900 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1901 | # else | |
1902 | # define PERL_BUILD_DATE __DATE__ | |
1903 | # endif | |
1904 | # endif | |
1905 | #endif | |
1906 | ||
1907 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1908 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1909 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1910 | SVs_TEMP)); |
4a5df386 NC |
1911 | #else |
1912 | PUSHs(&PL_sv_undef); | |
1913 | #endif | |
1914 | ||
4a5df386 NC |
1915 | for (i = 1; i <= local_patch_count; i++) { |
1916 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1917 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1918 | } | |
1919 | ||
1920 | XSRETURN(entries); | |
1921 | } | |
1922 | ||
be71fc8f NC |
1923 | #define INCPUSH_UNSHIFT 0x01 |
1924 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1925 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1926 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1927 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1928 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1929 | #define INCPUSH_ADD_SUB_DIRS \ |
1930 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1931 | |
312caa8e | 1932 | STATIC void * |
14dd3ad8 | 1933 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1934 | { |
27da23d5 | 1935 | dVAR; |
2f9285f8 | 1936 | PerlIO *rsfp; |
312caa8e | 1937 | int argc = PL_origargc; |
8f42b153 | 1938 | char **argv = PL_origargv; |
e1ec3a88 | 1939 | const char *scriptname = NULL; |
402582ca | 1940 | bool dosearch = FALSE; |
eb578fdb | 1941 | char c; |
737c24fc | 1942 | bool doextract = FALSE; |
bd61b366 | 1943 | const char *cddir = NULL; |
ab019eaa | 1944 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1945 | bool minus_f = FALSE; |
ab019eaa | 1946 | #endif |
95670bde | 1947 | SV *linestr_sv = NULL; |
5486870f | 1948 | bool add_read_e_script = FALSE; |
87606032 | 1949 | U32 lex_start_flags = 0; |
009d90df | 1950 | |
ca7b837b | 1951 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1952 | |
6224f72b | 1953 | init_main_stash(); |
54310121 | 1954 | |
c7030b81 NC |
1955 | { |
1956 | const char *s; | |
6224f72b GS |
1957 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1958 | if (argv[0][0] != '-' || !argv[0][1]) | |
1959 | break; | |
6224f72b GS |
1960 | s = argv[0]+1; |
1961 | reswitch: | |
47f56822 | 1962 | switch ((c = *s)) { |
729a02f2 | 1963 | case 'C': |
1d5472a9 GS |
1964 | #ifndef PERL_STRICT_CR |
1965 | case '\r': | |
1966 | #endif | |
6224f72b GS |
1967 | case ' ': |
1968 | case '0': | |
1969 | case 'F': | |
1970 | case 'a': | |
1971 | case 'c': | |
1972 | case 'd': | |
1973 | case 'D': | |
1974 | case 'h': | |
1975 | case 'i': | |
1976 | case 'l': | |
1977 | case 'M': | |
1978 | case 'm': | |
1979 | case 'n': | |
1980 | case 'p': | |
1981 | case 's': | |
1982 | case 'u': | |
1983 | case 'U': | |
1984 | case 'v': | |
599cee73 PM |
1985 | case 'W': |
1986 | case 'X': | |
6224f72b | 1987 | case 'w': |
97bd5664 | 1988 | if ((s = moreswitches(s))) |
6224f72b GS |
1989 | goto reswitch; |
1990 | break; | |
33b78306 | 1991 | |
1dbad523 | 1992 | case 't': |
dc6d7f5c | 1993 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1994 | /* silently ignore */ |
dc6d7f5c | 1995 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1996 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1997 | "Cowardly refusing to run with -t or -T flags"); |
1998 | #else | |
22f7c9c9 | 1999 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
2000 | if( !TAINTING_get ) { |
2001 | TAINT_WARN_set(TRUE); | |
2002 | TAINTING_set(TRUE); | |
317ea90d | 2003 | } |
284167a5 | 2004 | #endif |
317ea90d MS |
2005 | s++; |
2006 | goto reswitch; | |
6224f72b | 2007 | case 'T': |
dc6d7f5c | 2008 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2009 | /* silently ignore */ |
dc6d7f5c | 2010 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2011 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2012 | "Cowardly refusing to run with -t or -T flags"); |
2013 | #else | |
22f7c9c9 | 2014 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2015 | TAINTING_set(TRUE); |
2016 | TAINT_WARN_set(FALSE); | |
2017 | #endif | |
6224f72b GS |
2018 | s++; |
2019 | goto reswitch; | |
f86702cc | 2020 | |
bc9b29db RH |
2021 | case 'E': |
2022 | PL_minus_E = TRUE; | |
924ba076 | 2023 | /* FALLTHROUGH */ |
6224f72b | 2024 | case 'e': |
f20b2998 | 2025 | forbid_setid('e', FALSE); |
3280af22 | 2026 | if (!PL_e_script) { |
396482e1 | 2027 | PL_e_script = newSVpvs(""); |
5486870f | 2028 | add_read_e_script = TRUE; |
6224f72b GS |
2029 | } |
2030 | if (*++s) | |
3280af22 | 2031 | sv_catpv(PL_e_script, s); |
6224f72b | 2032 | else if (argv[1]) { |
3280af22 | 2033 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2034 | argc--,argv++; |
2035 | } | |
2036 | else | |
47f56822 | 2037 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2038 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2039 | break; |
afe37c7d | 2040 | |
20ef40cf | 2041 | case 'f': |
f5542d3a | 2042 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2043 | minus_f = TRUE; |
f5542d3a | 2044 | #endif |
20ef40cf GA |
2045 | s++; |
2046 | goto reswitch; | |
2047 | ||
6224f72b | 2048 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2049 | forbid_setid('I', FALSE); |
bd61b366 | 2050 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2051 | argc--,argv++; |
2052 | } | |
6224f72b | 2053 | if (s && *s) { |
0df16ed7 | 2054 | STRLEN len = strlen(s); |
55b4bc1c | 2055 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2056 | } |
2057 | else | |
a67e862a | 2058 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2059 | break; |
6224f72b | 2060 | case 'S': |
f20b2998 | 2061 | forbid_setid('S', FALSE); |
6224f72b GS |
2062 | dosearch = TRUE; |
2063 | s++; | |
2064 | goto reswitch; | |
2065 | case 'V': | |
7edfd0ef NC |
2066 | { |
2067 | SV *opts_prog; | |
2068 | ||
7edfd0ef | 2069 | if (*++s != ':') { |
37ca4a5b | 2070 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2071 | } |
2072 | else { | |
2073 | ++s; | |
2074 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2075 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2076 | 0, s, 0); |
2077 | s += strlen(s); | |
2078 | } | |
37ca4a5b | 2079 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2080 | /* don't look for script or read stdin */ |
2081 | scriptname = BIT_BUCKET; | |
2082 | goto reswitch; | |
6224f72b | 2083 | } |
6224f72b | 2084 | case 'x': |
737c24fc | 2085 | doextract = TRUE; |
6224f72b | 2086 | s++; |
304334da | 2087 | if (*s) |
f4c556ac | 2088 | cddir = s; |
6224f72b GS |
2089 | break; |
2090 | case 0: | |
2091 | break; | |
2092 | case '-': | |
2093 | if (!*++s || isSPACE(*s)) { | |
2094 | argc--,argv++; | |
2095 | goto switch_end; | |
2096 | } | |
ee8bc8b7 NC |
2097 | /* catch use of gnu style long options. |
2098 | Both of these exit immediately. */ | |
2099 | if (strEQ(s, "version")) | |
2100 | minus_v(); | |
2101 | if (strEQ(s, "help")) | |
2102 | usage(); | |
6224f72b | 2103 | s--; |
924ba076 | 2104 | /* FALLTHROUGH */ |
6224f72b | 2105 | default: |
cea2e8a9 | 2106 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2107 | } |
2108 | } | |
c7030b81 NC |
2109 | } |
2110 | ||
6224f72b | 2111 | switch_end: |
54310121 | 2112 | |
c7030b81 NC |
2113 | { |
2114 | char *s; | |
2115 | ||
f675dbe5 CB |
2116 | if ( |
2117 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2118 | !TAINTING_get && |
f675dbe5 | 2119 | #endif |
cf756827 | 2120 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2121 | { |
9e0b0d62 KW |
2122 | /* s points to static memory in getenv(), which may be overwritten at |
2123 | * any time; use a mortal copy instead */ | |
2124 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2125 | ||
74288ac8 GS |
2126 | while (isSPACE(*s)) |
2127 | s++; | |
317ea90d | 2128 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2129 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2130 | /* silently ignore */ |
dc6d7f5c | 2131 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2132 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2133 | "Cowardly refusing to run with -t or -T flags"); |
2134 | #else | |
22f7c9c9 | 2135 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2136 | TAINTING_set(TRUE); |
2137 | TAINT_WARN_set(FALSE); | |
2138 | #endif | |
317ea90d | 2139 | } |
74288ac8 | 2140 | else { |
bd61b366 | 2141 | char *popt_copy = NULL; |
74288ac8 | 2142 | while (s && *s) { |
54913509 | 2143 | const char *d; |
74288ac8 GS |
2144 | while (isSPACE(*s)) |
2145 | s++; | |
2146 | if (*s == '-') { | |
2147 | s++; | |
2148 | if (isSPACE(*s)) | |
2149 | continue; | |
2150 | } | |
4ea8f8fb | 2151 | d = s; |
74288ac8 GS |
2152 | if (!*s) |
2153 | break; | |
2b622f1a | 2154 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2155 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2156 | while (++s && *s) { |
2157 | if (isSPACE(*s)) { | |
cf756827 | 2158 | if (!popt_copy) { |
bfa6c418 NC |
2159 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2160 | s = popt_copy + (s - d); | |
2161 | d = popt_copy; | |
cf756827 | 2162 | } |
4ea8f8fb MS |
2163 | *s++ = '\0'; |
2164 | break; | |
2165 | } | |
2166 | } | |
1c4db469 | 2167 | if (*d == 't') { |
dc6d7f5c | 2168 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2169 | /* silently ignore */ |
dc6d7f5c | 2170 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2171 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2172 | "Cowardly refusing to run with -t or -T flags"); |
2173 | #else | |
2174 | if( !TAINTING_get) { | |
2175 | TAINT_WARN_set(TRUE); | |
2176 | TAINTING_set(TRUE); | |
317ea90d | 2177 | } |
284167a5 | 2178 | #endif |
1c4db469 | 2179 | } else { |
97bd5664 | 2180 | moreswitches(d); |
1c4db469 | 2181 | } |
6224f72b | 2182 | } |
6224f72b GS |
2183 | } |
2184 | } | |
c7030b81 | 2185 | } |
a0d0e21e | 2186 | |
c29067d7 CH |
2187 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2188 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2189 | assert (!TAINT_get); |
c29067d7 | 2190 | TAINT; |
e2051532 | 2191 | set_caret_X(); |
c29067d7 CH |
2192 | TAINT_NOT; |
2193 | ||
43c0c913 | 2194 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2195 | if (!minus_f) { |
43c0c913 | 2196 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2197 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2198 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2199 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2200 | # ifdef PERL_IS_MINIPERL |
2201 | AV *const inc = GvAV(PL_incgv); | |
2202 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2203 | ||
2204 | if (inc0) { | |
15870c5c NC |
2205 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2206 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2207 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2208 | Perl_newSVpvf(aTHX_ | |
147e3846 | 2209 | "BEGIN { my $f = q%c%s%" SVf "/buildcustomize.pl%c; " |
af26e4f2 FC |
2210 | "do {local $!; -f $f }" |
2211 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2212 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2213 | } |
2214 | # else | |
2215 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2216 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2217 | if (raw_sitelib) { |
2218 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2219 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2220 | INCPUSH_CAN_RELOCATE); | |
2221 | const char *const sitelib = SvPVX(sitelib_sv); | |
2222 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2223 | Perl_newSVpvf(aTHX_ | |
2224 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2225 | 0, SVfARG(sitelib), 0, |
2226 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2227 | assert (SvREFCNT(sitelib_sv) == 1); |
2228 | SvREFCNT_dec(sitelib_sv); | |
2229 | } | |
43c0c913 | 2230 | # endif |
20ef40cf GA |
2231 | } |
2232 | #endif | |
2233 | ||
6224f72b GS |
2234 | if (!scriptname) |
2235 | scriptname = argv[0]; | |
3280af22 | 2236 | if (PL_e_script) { |
6224f72b GS |
2237 | argc++,argv--; |
2238 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2239 | } | |
bd61b366 | 2240 | else if (scriptname == NULL) { |
6224f72b GS |
2241 | #ifdef MSDOS |
2242 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2243 | moreswitches("h"); |
6224f72b GS |
2244 | #endif |
2245 | scriptname = "-"; | |
2246 | } | |
2247 | ||
284167a5 | 2248 | assert (!TAINT_get); |
2cace6ac | 2249 | init_perllib(); |
6224f72b | 2250 | |
a52eba0e | 2251 | { |
f20b2998 | 2252 | bool suidscript = FALSE; |
829372d3 | 2253 | |
8d113837 | 2254 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2255 | if (!rsfp) { |
2256 | rsfp = PerlIO_stdin(); | |
87606032 | 2257 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2258 | } |
6224f72b | 2259 | |
b24bc095 | 2260 | validate_suid(rsfp); |
6224f72b | 2261 | |
64ca3a65 | 2262 | #ifndef PERL_MICRO |
a52eba0e NC |
2263 | # if defined(SIGCHLD) || defined(SIGCLD) |
2264 | { | |
2265 | # ifndef SIGCHLD | |
2266 | # define SIGCHLD SIGCLD | |
2267 | # endif | |
2268 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2269 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2270 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2271 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2272 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2273 | } | |
0b5b802d | 2274 | } |
a52eba0e | 2275 | # endif |
64ca3a65 | 2276 | #endif |
0b5b802d | 2277 | |
737c24fc | 2278 | if (doextract) { |
faef540c | 2279 | |
f20b2998 | 2280 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2281 | setuid scripts. */ |
2282 | forbid_setid('x', suidscript); | |
f20b2998 | 2283 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2284 | |
95670bde NC |
2285 | linestr_sv = newSV_type(SVt_PV); |
2286 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2287 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2288 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2289 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2290 | } | |
f4c556ac | 2291 | } |
6224f72b | 2292 | |
ea726b52 | 2293 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2294 | CvUNIQUE_on(PL_compcv); |
2295 | ||
eacbb379 | 2296 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2297 | |
dd69841b BB |
2298 | PL_isarev = newHV(); |
2299 | ||
0c4f7ff0 | 2300 | boot_core_PerlIO(); |
6224f72b | 2301 | boot_core_UNIVERSAL(); |
e1a479c5 | 2302 | boot_core_mro(); |
4a5df386 | 2303 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2304 | |
2305 | if (xsinit) | |
acfe0abc | 2306 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2307 | #ifndef PERL_MICRO |
739a0b84 | 2308 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2309 | init_os_extras(); |
6224f72b | 2310 | #endif |
64ca3a65 | 2311 | #endif |
6224f72b | 2312 | |
29209bc5 | 2313 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2314 | # ifdef HAS_SOCKS5_INIT |
2315 | socks5_init(argv[0]); | |
2316 | # else | |
29209bc5 | 2317 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2318 | # endif |
ac27b0f5 | 2319 | #endif |
29209bc5 | 2320 | |
6224f72b GS |
2321 | init_predump_symbols(); |
2322 | /* init_postdump_symbols not currently designed to be called */ | |
2323 | /* more than once (ENV isn't cleared first, for example) */ | |
2324 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2325 | if (!PL_do_undump) |
6224f72b GS |
2326 | init_postdump_symbols(argc,argv,env); |
2327 | ||
27da23d5 JH |
2328 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2329 | * or explicitly in some platforms. | |
73e1bd1a | 2330 | * PL_utf8locale is conditionally turned on by |
085a54d9 | 2331 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2332 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2333 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2334 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2335 | #endif | |
e27b5b51 | 2336 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2337 | if (PL_unicode) { |
2338 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2339 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2340 | IO* io; |
2341 | PerlIO* fp; | |
2342 | SV* sv; | |
2343 | ||
a05d7ebb | 2344 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2345 | * and the default open disciplines. */ |
a05d7ebb JH |
2346 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2347 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2348 | (fp = IoIFP(io))) | |
2349 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2350 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2351 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2352 | (fp = IoOFP(io))) | |
2353 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2354 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2355 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2356 | (fp = IoOFP(io))) | |
2357 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2358 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2359 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2360 | SVt_PV)))) { | |
a05d7ebb JH |
2361 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2362 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2363 | if (in) { | |
2364 | if (out) | |
76f68e9b | 2365 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2366 | else |
76f68e9b | 2367 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2368 | } |
2369 | else if (out) | |
76f68e9b | 2370 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2371 | SvSETMAGIC(sv); |
2372 | } | |
b310b053 JH |
2373 | } |
2374 | } | |
e27b5b51 | 2375 | #endif |
b310b053 | 2376 | |
c7030b81 NC |
2377 | { |
2378 | const char *s; | |
4ffa73a3 JH |
2379 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2380 | if (strEQ(s, "unsafe")) | |
2381 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2382 | else if (strEQ(s, "safe")) | |
2383 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2384 | else | |
2385 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2386 | } | |
c7030b81 | 2387 | } |
4ffa73a3 | 2388 | |
81d86705 | 2389 | |
87606032 | 2390 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2391 | SvREFCNT_dec(linestr_sv); |
95670bde | 2392 | |
219f7226 | 2393 | PL_subname = newSVpvs("main"); |
6224f72b | 2394 | |
5486870f DM |
2395 | if (add_read_e_script) |
2396 | filter_add(read_e_script, NULL); | |
2397 | ||
6224f72b GS |
2398 | /* now parse the script */ |
2399 | ||
93189314 | 2400 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2401 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
c77da5ff | 2402 | abort_execution("", PL_origfilename); |
6224f72b | 2403 | } |
57843af0 | 2404 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2405 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2406 | if (PL_e_script) { |
2407 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2408 | PL_e_script = NULL; |
6224f72b GS |
2409 | } |
2410 | ||
3280af22 | 2411 | if (PL_do_undump) |
6224f72b GS |
2412 | my_unexec(); |
2413 | ||
57843af0 GS |
2414 | if (isWARN_ONCE) { |
2415 | SAVECOPFILE(PL_curcop); | |
2416 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2417 | gv_check(PL_defstash); |
57843af0 | 2418 | } |
6224f72b GS |
2419 | |
2420 | LEAVE; | |
2421 | FREETMPS; | |
2422 | ||
2423 | #ifdef MYMALLOC | |
f6a607bc RGS |
2424 | { |
2425 | const char *s; | |
22ff3130 HS |
2426 | UV uv; |
2427 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2428 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2429 | dump_mstats("after compilation:"); |
f6a607bc | 2430 | } |
6224f72b GS |
2431 | #endif |
2432 | ||
2433 | ENTER; | |
febb3a6d | 2434 | PL_restartjmpenv = NULL; |
3280af22 | 2435 | PL_restartop = 0; |
312caa8e | 2436 | return NULL; |
6224f72b GS |
2437 | } |
2438 | ||
954c1994 GS |
2439 | /* |
2440 | =for apidoc perl_run | |
2441 | ||
2442 | Tells a Perl interpreter to run. See L<perlembed>. | |
2443 | ||
2444 | =cut | |
2445 | */ | |
2446 | ||
6224f72b | 2447 | int |
0cb96387 | 2448 | perl_run(pTHXx) |
6224f72b | 2449 | { |
6224f72b | 2450 | I32 oldscope; |
14dd3ad8 | 2451 | int ret = 0; |
db36c5a1 | 2452 | dJMPENV; |
6224f72b | 2453 | |
7918f24d NC |
2454 | PERL_ARGS_ASSERT_PERL_RUN; |
2455 | #ifndef MULTIPLICITY | |
ed6c66dd | 2456 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2457 | #endif |
9d4ba2ae | 2458 | |
3280af22 | 2459 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2460 | #ifdef VMS |
2461 | VMSISH_HUSHED = 0; | |
2462 | #endif | |
6224f72b | 2463 | |
14dd3ad8 | 2464 | JMPENV_PUSH(ret); |
6224f72b GS |
2465 | switch (ret) { |
2466 | case 1: | |
2467 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2468 | goto redo_body; |
14dd3ad8 | 2469 | case 0: /* normal completion */ |
14dd3ad8 GS |
2470 | redo_body: |
2471 | run_body(oldscope); | |
924ba076 | 2472 | /* FALLTHROUGH */ |
14dd3ad8 | 2473 | case 2: /* my_exit() */ |
3280af22 | 2474 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2475 | LEAVE; |
2476 | FREETMPS; | |
03d9f026 | 2477 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2478 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2479 | PL_endav && !PL_minus_c) { |
ca7b837b | 2480 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2481 | call_list(oldscope, PL_endav); |
9ebf26ad | 2482 | } |
6224f72b GS |
2483 | #ifdef MYMALLOC |
2484 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2485 | dump_mstats("after execution: "); | |
2486 | #endif | |
37038d91 | 2487 | ret = STATUS_EXIT; |
14dd3ad8 | 2488 | break; |
6224f72b | 2489 | case 3: |
312caa8e CS |
2490 | if (PL_restartop) { |
2491 | POPSTACK_TO(PL_mainstack); | |
2492 | goto redo_body; | |
6224f72b | 2493 | } |
5637ef5b | 2494 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2495 | FREETMPS; |
14dd3ad8 GS |
2496 | ret = 1; |
2497 | break; | |
6224f72b GS |
2498 | } |
2499 | ||
14dd3ad8 GS |
2500 | JMPENV_POP; |
2501 | return ret; | |
312caa8e CS |
2502 | } |
2503 | ||
dd374669 | 2504 | STATIC void |
14dd3ad8 GS |
2505 | S_run_body(pTHX_ I32 oldscope) |
2506 | { | |
d3b97530 DM |
2507 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2508 | PL_sawampersand ? "Enabling" : "Omitting", | |
2509 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2510 | |
3280af22 | 2511 | if (!PL_restartop) { |
cf2782cd | 2512 | #ifdef DEBUGGING |
f0e3f042 CS |
2513 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2514 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2515 | if (!DEBUG_q_TEST) |
2516 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2517 | #endif |
6224f72b | 2518 | |
3280af22 | 2519 | if (PL_minus_c) { |
bf49b057 | 2520 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2521 | my_exit(0); |
2522 | } | |
3280af22 | 2523 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2524 | PL_DBsingle_iv = 1; |
9ebf26ad | 2525 | if (PL_initav) { |
ca7b837b | 2526 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2527 | call_list(oldscope, PL_initav); |
9ebf26ad | 2528 | } |
f1fac472 | 2529 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2530 | if (PL_main_root && PL_main_root->op_slabbed) |
2531 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2532 | #endif |
6224f72b GS |
2533 | } |
2534 | ||
2535 | /* do it */ | |
2536 | ||
ca7b837b | 2537 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2538 | |
3280af22 | 2539 | if (PL_restartop) { |
febb3a6d | 2540 | PL_restartjmpenv = NULL; |
533c011a | 2541 | PL_op = PL_restartop; |
3280af22 | 2542 | PL_restartop = 0; |
cea2e8a9 | 2543 | CALLRUNOPS(aTHX); |
6224f72b | 2544 | } |
3280af22 NIS |
2545 | else if (PL_main_start) { |
2546 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2547 | PL_op = PL_main_start; |
cea2e8a9 | 2548 | CALLRUNOPS(aTHX); |
6224f72b | 2549 | } |
f6b3007c | 2550 | my_exit(0); |
e5964223 | 2551 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2552 | } |
2553 | ||
954c1994 | 2554 | /* |
ccfc67b7 JH |
2555 | =head1 SV Manipulation Functions |
2556 | ||
954c1994 GS |
2557 | =for apidoc p||get_sv |
2558 | ||
64ace3f8 | 2559 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2560 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2561 | Perl variable does not exist then it will be created. If C<flags> is zero |
2562 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2563 | |
2564 | =cut | |
2565 | */ | |
2566 | ||
6224f72b | 2567 | SV* |
64ace3f8 | 2568 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2569 | { |
2570 | GV *gv; | |
7918f24d NC |
2571 | |
2572 | PERL_ARGS_ASSERT_GET_SV; | |
2573 | ||
64ace3f8 | 2574 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2575 | if (gv) |
2576 | return GvSV(gv); | |
a0714e2c | 2577 | return NULL; |
6224f72b GS |
2578 | } |
2579 | ||
954c1994 | 2580 | /* |
ccfc67b7 JH |
2581 | =head1 Array Manipulation Functions |
2582 | ||
954c1994 GS |
2583 | =for apidoc p||get_av |
2584 | ||
f0b90de1 SF |
2585 | Returns the AV of the specified Perl global or package array with the given |
2586 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2587 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2588 | Perl variable does not exist then it will be created. If C<flags> is zero |
2589 | and the variable does not exist then NULL is returned. | |
954c1994 | 2590 | |
f0b90de1 SF |
2591 | Perl equivalent: C<@{"$name"}>. |
2592 | ||
954c1994 GS |
2593 | =cut |
2594 | */ | |
2595 | ||
6224f72b | 2596 | AV* |
cbfd0a87 | 2597 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2598 | { |
cbfd0a87 | 2599 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2600 | |
2601 | PERL_ARGS_ASSERT_GET_AV; | |
2602 | ||
cbfd0a87 | 2603 | if (flags) |
6224f72b GS |
2604 | return GvAVn(gv); |
2605 | if (gv) | |
2606 | return GvAV(gv); | |
7d49f689 | 2607 | return NULL; |
6224f72b GS |
2608 | } |
2609 | ||
954c1994 | 2610 | /* |
ccfc67b7 JH |
2611 | =head1 Hash Manipulation Functions |
2612 | ||
954c1994 GS |
2613 | =for apidoc p||get_hv |
2614 | ||
6673a63c | 2615 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2616 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2617 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2618 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2619 | |
2620 | =cut | |
2621 | */ | |
2622 | ||
6224f72b | 2623 | HV* |
6673a63c | 2624 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2625 | { |
6673a63c | 2626 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2627 | |
2628 | PERL_ARGS_ASSERT_GET_HV; | |
2629 | ||
6673a63c | 2630 | if (flags) |
a0d0e21e LW |
2631 | return GvHVn(gv); |
2632 | if (gv) | |
2633 | return GvHV(gv); | |
5c284bb0 | 2634 | return NULL; |
a0d0e21e LW |
2635 | } |
2636 | ||
954c1994 | 2637 | /* |
ccfc67b7 JH |
2638 | =head1 CV Manipulation Functions |
2639 | ||
780a5241 NC |
2640 | =for apidoc p||get_cvn_flags |
2641 | ||
2642 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2643 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2644 | exist then it will be declared (which has the same effect as saying |
2645 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2646 | then NULL is returned. | |
2647 | ||
954c1994 GS |
2648 | =for apidoc p||get_cv |
2649 | ||
780a5241 | 2650 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2651 | |
2652 | =cut | |
2653 | */ | |
2654 | ||
a0d0e21e | 2655 | CV* |
780a5241 | 2656 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2657 | { |
780a5241 | 2658 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2659 | |
2660 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2661 | ||
334dda80 FC |
2662 | /* XXX this is probably not what they think they're getting. |
2663 | * It has the same effect as "sub name;", i.e. just a forward | |
2664 | * declaration! */ | |
780a5241 | 2665 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2666 | return newSTUB(gv,0); |
780a5241 | 2667 | } |
a0d0e21e | 2668 | if (gv) |
8ebc5c01 | 2669 | return GvCVu(gv); |
601f1833 | 2670 | return NULL; |
a0d0e21e LW |
2671 | } |
2672 | ||
2c67934f NC |
2673 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2674 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2675 | CV* |
2676 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2677 | { | |
7918f24d NC |
2678 | PERL_ARGS_ASSERT_GET_CV; |
2679 | ||
780a5241 NC |
2680 | return get_cvn_flags(name, strlen(name), flags); |
2681 | } | |
2682 | ||
79072805 LW |
2683 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2684 | ||
954c1994 | 2685 | /* |
ccfc67b7 JH |
2686 | |
2687 | =head1 Callback Functions | |
2688 | ||
954c1994 GS |
2689 | =for apidoc p||call_argv |
2690 | ||
f0b90de1 | 2691 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2692 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2693 | L<perlcall>. |
f0b90de1 SF |
2694 | |
2695 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2696 | |
2697 | =cut | |
2698 | */ | |
2699 | ||
a0d0e21e | 2700 | I32 |
5aaab254 | 2701 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2702 | |
8ac85365 NIS |
2703 | /* See G_* flags in cop.h */ |
2704 | /* null terminated arg list */ | |
8990e307 | 2705 | { |
a0d0e21e | 2706 | dSP; |
8990e307 | 2707 | |
7918f24d NC |
2708 | PERL_ARGS_ASSERT_CALL_ARGV; |
2709 | ||
924508f0 | 2710 | PUSHMARK(SP); |
3dc78631 DM |
2711 | while (*argv) { |
2712 | mXPUSHs(newSVpv(*argv,0)); | |
2713 | argv++; | |
8990e307 | 2714 | } |
3dc78631 | 2715 | PUTBACK; |
864dbfa3 | 2716 | return call_pv(sub_name, flags); |
8990e307 LW |
2717 | } |
2718 | ||
954c1994 GS |
2719 | /* |
2720 | =for apidoc p||call_pv | |
2721 | ||
2722 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2723 | ||
2724 | =cut | |
2725 | */ | |
2726 | ||
a0d0e21e | 2727 | I32 |
864dbfa3 | 2728 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2729 | /* name of the subroutine */ |
2730 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2731 | { |
7918f24d NC |
2732 | PERL_ARGS_ASSERT_CALL_PV; |
2733 | ||
0da0e728 | 2734 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2735 | } |
2736 | ||
954c1994 GS |
2737 | /* |
2738 | =for apidoc p||call_method | |
2739 | ||
2740 | Performs a callback to the specified Perl method. The blessed object must | |
2741 | be on the stack. See L<perlcall>. | |
2742 | ||
2743 | =cut | |
2744 | */ | |
2745 | ||
a0d0e21e | 2746 | I32 |
864dbfa3 | 2747 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2748 | /* name of the subroutine */ |
2749 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2750 | { |
46ca9bac | 2751 | STRLEN len; |
c106c2be | 2752 | SV* sv; |
7918f24d NC |
2753 | PERL_ARGS_ASSERT_CALL_METHOD; |
2754 | ||
46ca9bac | 2755 | len = strlen(methname); |
c106c2be RZ |
2756 | sv = flags & G_METHOD_NAMED |
2757 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2758 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2759 | |
c106c2be | 2760 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2761 | } |
2762 | ||
2763 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2764 | /* |
2765 | =for apidoc p||call_sv | |
2766 | ||
078e2213 TC |
2767 | Performs a callback to the Perl sub specified by the SV. |
2768 | ||
7c0c544c | 2769 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2770 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2771 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2772 | ||
2773 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2774 | C<SvPV(sv)> will be used as the name of the method to call. | |
2775 | ||
2776 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2777 | the name of the method to call. | |
2778 | ||
2779 | Some other values are treated specially for internal use and should | |
2780 | not be depended on. | |
2781 | ||
2782 | See L<perlcall>. | |
954c1994 GS |
2783 | |
2784 | =cut | |
2785 | */ | |
2786 | ||
a0d0e21e | 2787 | I32 |
001d637e | 2788 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2789 | /* See G_* flags in cop.h */ |
a0d0e21e | 2790 | { |
5b434c73 | 2791 | dVAR; |
a0d0e21e | 2792 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2793 | METHOP method_op; |
aa689395 | 2794 | I32 oldmark; |
8ea43dc8 | 2795 | VOL I32 retval = 0; |
54310121 | 2796 | bool oldcatch = CATCH_GET; |
6224f72b | 2797 | int ret; |
c4420975 | 2798 | OP* const oldop = PL_op; |
db36c5a1 | 2799 | dJMPENV; |
1e422769 | 2800 | |
7918f24d NC |
2801 | PERL_ARGS_ASSERT_CALL_SV; |
2802 | ||
a0d0e21e LW |
2803 | if (flags & G_DISCARD) { |
2804 | ENTER; | |
2805 | SAVETMPS; | |
2806 | } | |
2f8edad0 NC |
2807 | if (!(flags & G_WANT)) { |
2808 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2809 | */ | |
2810 | flags |= G_SCALAR; | |
2811 | } | |
a0d0e21e | 2812 | |
aa689395 | 2813 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2814 | if (!(flags & G_NOARGS)) |
aa689395 | 2815 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2816 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2817 | SAVEOP(); |
533c011a | 2818 | PL_op = (OP*)&myop; |
aa689395 | 2819 | |
8c9009ad | 2820 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2821 | dSP; |
2822 | EXTEND(SP, 1); | |
8c9009ad DD |
2823 | PUSHs(sv); |
2824 | PUTBACK; | |
5b434c73 | 2825 | } |
aa689395 | 2826 | oldmark = TOPMARK; |
a0d0e21e | 2827 | |
3280af22 | 2828 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2829 | /* Handle first BEGIN of -d. */ |
3280af22 | 2830 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2831 | /* Try harder, since this may have been a sighandler, thus |
2832 | * curstash may be meaningless. */ | |
ea726b52 | 2833 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2834 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2835 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2836 | |
c106c2be | 2837 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2838 | Zero(&method_op, 1, METHOP); |
2839 | method_op.op_next = (OP*)&myop; | |
2840 | PL_op = (OP*)&method_op; | |
c106c2be | 2841 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2842 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2843 | method_op.op_type = OP_METHOD_NAMED; | |
2844 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2845 | } else { |
b46e009d | 2846 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2847 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2848 | } |
2849 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2850 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2851 | } |
2852 | ||
312caa8e | 2853 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2854 | CATCH_SET(TRUE); |
d6f07c05 | 2855 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2856 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2857 | CATCH_SET(oldcatch); |
312caa8e CS |
2858 | } |
2859 | else { | |
8e90e786 | 2860 | I32 old_cxix; |
d78bda3d | 2861 | myop.op_other = (OP*)&myop; |
101d6365 | 2862 | (void)POPMARK; |
8e90e786 | 2863 | old_cxix = cxstack_ix; |
274ed8ae | 2864 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
c318a6ee | 2865 | INCMARK; |
a0d0e21e | 2866 | |
14dd3ad8 | 2867 | JMPENV_PUSH(ret); |
edb2152a | 2868 | |
6224f72b GS |
2869 | switch (ret) { |
2870 | case 0: | |
14dd3ad8 | 2871 | redo_body: |
d6f07c05 | 2872 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2873 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2874 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2875 | CLEAR_ERRSV(); |
8433848b | 2876 | } |
a0d0e21e | 2877 | break; |
6224f72b | 2878 | case 1: |
f86702cc | 2879 | STATUS_ALL_FAILURE; |
924ba076 | 2880 | /* FALLTHROUGH */ |
6224f72b | 2881 | case 2: |
a0d0e21e | 2882 | /* my_exit() was called */ |
03d9f026 | 2883 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2884 | FREETMPS; |
14dd3ad8 | 2885 | JMPENV_POP; |
f86702cc | 2886 | my_exit_jump(); |
e5964223 | 2887 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2888 | case 3: |
3280af22 | 2889 | if (PL_restartop) { |
febb3a6d | 2890 | PL_restartjmpenv = NULL; |
533c011a | 2891 | PL_op = PL_restartop; |
3280af22 | 2892 | PL_restartop = 0; |
312caa8e | 2893 | goto redo_body; |
a0d0e21e | 2894 | } |
3280af22 | 2895 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2896 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2897 | retval = 0; |
2898 | else { | |
2899 | retval = 1; | |
3280af22 | 2900 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2901 | } |
312caa8e | 2902 | break; |
a0d0e21e | 2903 | } |
a0d0e21e | 2904 | |
8e90e786 DM |
2905 | /* if we croaked, depending on how we croaked the eval scope |
2906 | * may or may not have already been popped */ | |
2907 | if (cxstack_ix > old_cxix) { | |
2908 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2909 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2910 | delete_eval_scope(); |
8e90e786 | 2911 | } |
14dd3ad8 | 2912 | JMPENV_POP; |
a0d0e21e | 2913 | } |
1e422769 | 2914 | |
a0d0e21e | 2915 | if (flags & G_DISCARD) { |
3280af22 | 2916 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2917 | retval = 0; |
2918 | FREETMPS; | |
2919 | LEAVE; | |
2920 | } | |
533c011a | 2921 | PL_op = oldop; |
a0d0e21e LW |
2922 | return retval; |
2923 | } | |
2924 | ||
6e72f9df | 2925 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2926 | |
954c1994 GS |
2927 | /* |
2928 | =for apidoc p||eval_sv | |
2929 | ||
72d33970 | 2930 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2931 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2932 | |
2933 | =cut | |
2934 | */ | |
2935 | ||
a0d0e21e | 2936 | I32 |
864dbfa3 | 2937 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2938 | |
8ac85365 | 2939 | /* See G_* flags in cop.h */ |
a0d0e21e | 2940 | { |
97aff369 | 2941 | dVAR; |
a0d0e21e | 2942 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2943 | VOL I32 oldmark; |
8ea43dc8 | 2944 | VOL I32 retval = 0; |
6224f72b | 2945 | int ret; |
c4420975 | 2946 | OP* const oldop = PL_op; |
db36c5a1 | 2947 | dJMPENV; |
84902520 | 2948 | |
7918f24d NC |
2949 | PERL_ARGS_ASSERT_EVAL_SV; |
2950 | ||
4633a7c4 LW |
2951 | if (flags & G_DISCARD) { |
2952 | ENTER; | |
2953 | SAVETMPS; | |
2954 | } | |
2955 | ||
462e5cf6 | 2956 | SAVEOP(); |
533c011a | 2957 | PL_op = (OP*)&myop; |
5ff48db8 | 2958 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
2959 | { |
2960 | dSP; | |
2961 | oldmark = SP - PL_stack_base; | |
2962 | EXTEND(SP, 1); | |
2963 | PUSHs(sv); | |
2964 | PUTBACK; | |
2965 | } | |
79072805 | 2966 | |
4633a7c4 LW |
2967 | if (!(flags & G_NOARGS)) |
2968 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2969 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2970 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2971 | if (flags & G_KEEPERR) |
2972 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2973 | |
2974 | if (flags & G_RE_REPARSING) | |
2975 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2976 | |
dedbcade | 2977 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 2978 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
2979 | TAINT_PROPER("eval_sv()"); |
2980 | ||
14dd3ad8 | 2981 | JMPENV_PUSH(ret); |
6224f72b GS |
2982 | switch (ret) { |
2983 | case 0: | |
14dd3ad8 | 2984 | redo_body: |
2ba65d5f DM |
2985 | if (PL_op == (OP*)(&myop)) { |
2986 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2987 | if (!PL_op) | |
2988 | goto fail; /* failed in compilation */ | |
2989 | } | |
4aca2f62 | 2990 | CALLRUNOPS(aTHX); |
312caa8e | 2991 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2992 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2993 | CLEAR_ERRSV(); |
8433848b | 2994 | } |
4633a7c4 | 2995 | break; |
6224f72b | 2996 | case 1: |
f86702cc | 2997 | STATUS_ALL_FAILURE; |
924ba076 | 2998 | /* FALLTHROUGH */ |
6224f72b | 2999 | case 2: |
4633a7c4 | 3000 | /* my_exit() was called */ |
03d9f026 | 3001 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 3002 | FREETMPS; |
14dd3ad8 | 3003 | JMPENV_POP; |
f86702cc | 3004 | my_exit_jump(); |
e5964223 | 3005 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 3006 | case 3: |
3280af22 | 3007 | if (PL_restartop) { |
febb3a6d | 3008 | PL_restartjmpenv = NULL; |
533c011a | 3009 | PL_op = PL_restartop; |
3280af22 | 3010 | PL_restartop = 0; |
312caa8e | 3011 | goto redo_body; |
4633a7c4 | 3012 | } |
4aca2f62 | 3013 | fail: |
3280af22 | 3014 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 3015 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
3016 | retval = 0; |
3017 | else { | |
3018 | retval = 1; | |
3280af22 | 3019 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 3020 | } |
312caa8e | 3021 | break; |
4633a7c4 LW |
3022 | } |
3023 | ||
14dd3ad8 | 3024 | JMPENV_POP; |
4633a7c4 | 3025 | if (flags & G_DISCARD) { |
3280af22 | 3026 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3027 | retval = 0; |
3028 | FREETMPS; | |
3029 | LEAVE; | |
3030 | } | |
533c011a | 3031 | PL_op = oldop; |
4633a7c4 LW |
3032 | return retval; |
3033 | } | |
3034 | ||
954c1994 GS |
3035 | /* |
3036 | =for apidoc p||eval_pv | |
3037 | ||
422791e4 | 3038 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3039 | |
3040 | =cut | |
3041 | */ | |
3042 | ||
137443ea | 3043 | SV* |
864dbfa3 | 3044 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3045 | { |
137443ea | 3046 | SV* sv = newSVpv(p, 0); |
3047 | ||
7918f24d NC |
3048 | PERL_ARGS_ASSERT_EVAL_PV; |
3049 | ||
864dbfa3 | 3050 | eval_sv(sv, G_SCALAR); |
137443ea | 3051 | SvREFCNT_dec(sv); |
3052 | ||
ed1786ad DD |
3053 | { |
3054 | dSP; | |
3055 | sv = POPs; | |
3056 | PUTBACK; | |
3057 | } | |
137443ea | 3058 | |
eed484f9 DD |
3059 | /* just check empty string or undef? */ |
3060 | if (croak_on_error) { | |
3061 | SV * const errsv = ERRSV; | |
3062 | if(SvTRUE_NN(errsv)) | |
3063 | /* replace with croak_sv? */ | |
3064 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3065 | } |
137443ea | 3066 | |
3067 | return sv; | |
3068 | } | |
3069 | ||
4633a7c4 LW |
3070 | /* Require a module. */ |
3071 | ||
954c1994 | 3072 | /* |
ccfc67b7 JH |
3073 | =head1 Embedding Functions |
3074 | ||
954c1994 GS |
3075 | =for apidoc p||require_pv |
3076 | ||
7d3fb230 BS |
3077 | Tells Perl to C<require> the file named by the string argument. It is |
3078 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3079 | implemented that way; consider using load_module instead. |
954c1994 | 3080 | |
7d3fb230 | 3081 | =cut */ |
954c1994 | 3082 | |
4633a7c4 | 3083 | void |
864dbfa3 | 3084 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3085 | { |
d3acc0f7 | 3086 | dSP; |
97aff369 | 3087 | SV* sv; |
7918f24d NC |
3088 | |
3089 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3090 | ||
e788e7d3 | 3091 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3092 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3093 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3094 | POPSTACK; |
79072805 LW |
3095 | } |
3096 | ||
76e3520e | 3097 | STATIC void |
b6f82619 | 3098 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3099 | { |
ab821d7f | 3100 | /* This message really ought to be max 23 lines. |
75c72d73 | 3101 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3102 | |
1566c39d NC |
3103 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3104 | minimum of 509 character string literals. */ | |
27da23d5 | 3105 | static const char * const usage_msg[] = { |
1566c39d NC |
3106 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3107 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3108 | " -C[number/list] enables the listed Unicode features\n" | |
3109 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3110 | " -d[:debugger] run program under debugger\n" | |
3111 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3112 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3113 | " -E program like -e, but enables all optional features\n" | |
3114 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3115 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3116 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3117 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3118 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3119 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3120 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3121 | " -p assume loop like -n but print line also, like sed\n" | |
3122 | " -s enable rudimentary parsing for switches after programfile\n" | |
3123 | " -S look for programfile using PATH environment variable\n", | |
3124 | " -t enable tainting warnings\n" | |
3125 | " -T enable tainting checks\n" | |
3126 | " -u dump core after parsing program\n" | |
3127 | " -U allow unsafe operations\n" | |
3128 | " -v print version, patchlevel and license\n" | |
3129 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3130 | " -w enable many useful warnings\n" |
1566c39d NC |
3131 | " -W enable all warnings\n" |
3132 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3133 | " -X disable all warnings\n" | |
3134 | " \n" | |
3135 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3136 | NULL |
3137 | }; | |
27da23d5 | 3138 | const char * const *p = usage_msg; |
1566c39d | 3139 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3140 | |
1566c39d NC |
3141 | PerlIO_printf(out, |
3142 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3143 | PL_origargv[0]); |
fb73857a | 3144 | while (*p) |
1566c39d | 3145 | PerlIO_puts(out, *p++); |
b6f82619 | 3146 | my_exit(0); |
4633a7c4 LW |
3147 | } |
3148 | ||
b4ab917c DM |
3149 | /* convert a string of -D options (or digits) into an int. |
3150 | * sets *s to point to the char after the options */ | |
3151 | ||
3152 | #ifdef DEBUGGING | |
3153 | int | |
e1ec3a88 | 3154 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3155 | { |
27da23d5 | 3156 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3157 | " Debugging flag values: (see also -d)\n" |
3158 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3159 | " s Stack snapshots (with v, displays all stacks)\n" | |
3160 | " l Context (loop) stack processing\n" | |
3161 | " t Trace execution\n" | |
3162 | " o Method and overloading resolution\n", | |
3163 | " c String/numeric conversions\n" | |
3164 | " P Print profiling info, source file input state\n" | |
3165 | " m Memory and SV allocation\n" | |
3166 | " f Format processing\n" | |
3167 | " r Regular expression parsing and execution\n" | |
3168 | " x Syntax tree dump\n", | |
3169 | " u Tainting checks\n" | |
3170 | " H Hash dump -- usurps values()\n" | |
3171 | " X Scratchpad allocation\n" | |
3172 | " D Cleaning up\n" | |
56967202 | 3173 | " S Op slab allocation\n" |
651b8f1a NC |
3174 | " T Tokenising\n" |
3175 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3176 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3177 | " v Verbose: use in conjunction with other flags\n" | |
3178 | " C Copy On Write\n" | |
3179 | " A Consistency checks on internal structures\n" | |
3180 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3181 | " M trace smart match resolution\n" | |
3182 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3183 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3184 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3185 | NULL |
3186 | }; | |
22ff3130 | 3187 | UV uv = 0; |
7918f24d NC |
3188 | |
3189 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3190 | ||
b4ab917c DM |
3191 | if (isALPHA(**s)) { |
3192 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3193 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3194 | |
0eb30aeb | 3195 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3196 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3197 | if (d) |
22ff3130 | 3198 | uv |= 1 << (d - debopts); |
b4ab917c | 3199 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3200 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3201 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3202 | } |
3203 | } | |
e6e64d9b | 3204 | else if (isDIGIT(**s)) { |
96e440d2 | 3205 | const char* e; |
22ff3130 | 3206 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3207 | *s = e; |
0eb30aeb | 3208 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3209 | } |
ddcf8bc1 | 3210 | else if (givehelp) { |
06e869a4 | 3211 | const char *const *p = usage_msgd; |
651b8f1a | 3212 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3213 | } |
22ff3130 | 3214 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3215 | } |
3216 | #endif | |
3217 | ||
79072805 LW |
3218 | /* This routine handles any switches that can be given during run */ |
3219 | ||
c7030b81 NC |
3220 | const char * |
3221 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3222 | { |
27da23d5 | 3223 | dVAR; |
84c133a0 | 3224 | UV rschar; |
0544e6df | 3225 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3226 | |
7918f24d NC |
3227 | PERL_ARGS_ASSERT_MORESWITCHES; |
3228 | ||
79072805 LW |
3229 | switch (*s) { |
3230 | case '0': | |
a863c7d1 | 3231 | { |
f2095865 | 3232 | I32 flags = 0; |
a3b680e6 | 3233 | STRLEN numlen; |
f2095865 JH |
3234 | |
3235 | SvREFCNT_dec(PL_rs); | |
3236 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3237 | const char *e = s+=2; |
f2095865 JH |
3238 | U8 *tmps; |
3239 | ||
a3b680e6 AL |
3240 | while (*e) |
3241 | e++; | |
f2095865 JH |
3242 | numlen = e - s; |
3243 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3244 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3245 | if (s + numlen < e) { | |
3246 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3247 | numlen = 0; | |
3248 | s--; | |
3249 | } | |
396482e1 | 3250 | PL_rs = newSVpvs(""); |
10656159 | 3251 | tmps = (U8*) SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 | 3252 | uvchr_to_utf8(tmps, rschar); |
5f560d8a | 3253 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3254 | SvUTF8_on(PL_rs); |
3255 | } | |
3256 | else { | |
3257 | numlen = 4; | |
3258 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3259 | if (rschar & ~((U8)~0)) | |
3260 | PL_rs = &PL_sv_undef; | |
3261 | else if (!rschar && numlen >= 2) | |
396482e1 | 3262 | PL_rs = newSVpvs(""); |
f2095865 JH |
3263 | else { |
3264 | char ch = (char)rschar; | |
3265 | PL_rs = newSVpvn(&ch, 1); | |
3266 | } | |
3267 | } | |
64ace3f8 | 3268 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3269 | return s + numlen; |
a863c7d1 | 3270 | } |
46487f74 | 3271 | case 'C': |
a05d7ebb | 3272 | s++; |
dd374669 | 3273 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3274 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3275 | PL_utf8cache = -1; | |
46487f74 | 3276 | return s; |
2304df62 | 3277 | case 'F': |
5fc691f1 | 3278 | PL_minus_a = TRUE; |
3280af22 | 3279 | PL_minus_F = TRUE; |
24ffa309 | 3280 | PL_minus_n = TRUE; |
ebce5377 RGS |
3281 | PL_splitstr = ++s; |
3282 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3283 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3284 | return s; |
79072805 | 3285 | case 'a': |
3280af22 | 3286 | PL_minus_a = TRUE; |
24ffa309 | 3287 | PL_minus_n = TRUE; |
79072805 LW |
3288 | s++; |
3289 | return s; | |
3290 | case 'c': | |
3280af22 | 3291 | PL_minus_c = TRUE; |
79072805 LW |
3292 | s++; |
3293 | return s; | |
3294 | case 'd': | |
f20b2998 | 3295 | forbid_setid('d', FALSE); |
4633a7c4 | 3296 | s++; |
2cbb2ee1 RGS |
3297 | |
3298 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3299 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3300 | ++s; |
3301 | my_setenv("PERL5DB_THREADED", "1"); | |
3302 | } | |
3303 | ||
70c94a19 RR |
3304 | /* The following permits -d:Mod to accepts arguments following an = |
3305 | in the fashion that -MSome::Mod does. */ | |
3306 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3307 | const char *start; |
3308 | const char *end; | |
3309 | SV *sv; | |
3310 | ||
3311 | if (*++s == '-') { | |
3312 | ++s; | |
3313 | sv = newSVpvs("no Devel::"); | |
3314 | } else { | |
3315 | sv = newSVpvs("use Devel::"); | |
3316 | } | |
3317 | ||
3318 | start = s; | |
3319 | end = s + strlen(s); | |
f85893a1 | 3320 | |
b19934fb | 3321 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3322 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3323 | if (*s != '=') |
f85893a1 | 3324 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3325 | else { |
3326 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3327 | /* Don't use NUL as q// delimiter here, this string goes in the |
3328 | * environment. */ | |
3329 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3330 | } |
f85893a1 | 3331 | s = end; |
184f32ec | 3332 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3333 | SvREFCNT_dec(sv); |
4633a7c4 | 3334 | } |
ed094faf | 3335 | if (!PL_perldb) { |
3280af22 | 3336 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3337 | init_debugger(); |
ed094faf | 3338 | } |
79072805 LW |
3339 | return s; |
3340 | case 'D': | |
0453d815 | 3341 | { |
79072805 | 3342 | #ifdef DEBUGGING |
f20b2998 | 3343 | forbid_setid('D', FALSE); |
b4ab917c | 3344 | s++; |
dd374669 | 3345 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3346 | #else /* !DEBUGGING */ |
0453d815 | 3347 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3348 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3349 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3350 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3351 | #endif |
79072805 | 3352 | return s; |
2b5060ae | 3353 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3354 | } |
4633a7c4 | 3355 | case 'h': |
b6f82619 | 3356 | usage(); |
2b5060ae DM |
3357 | NOT_REACHED; /* NOTREACHED */ |
3358 | ||
79072805 | 3359 | case 'i': |
43c5f42d | 3360 | Safefree(PL_inplace); |
c030f24b GH |
3361 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3362 | if (*(s+1) == '\0') { | |
c86a4f2e | 3363 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3364 | return s+1; |
3365 | } | |
3366 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3367 | { |
d4c19fe8 | 3368 | const char * const start = ++s; |
5ef5d758 NC |
3369 | while (*s && !isSPACE(*s)) |
3370 | ++s; | |
3371 | ||
3372 | PL_inplace = savepvn(start, s - start); | |
3373 | } | |
fb73857a | 3374 | return s; |
4e49a025 | 3375 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3376 | forbid_setid('I', FALSE); |
fb73857a | 3377 | ++s; |
3378 | while (*s && isSPACE(*s)) | |
3379 | ++s; | |
3380 | if (*s) { | |
c7030b81 | 3381 | const char *e, *p; |
0df16ed7 GS |
3382 | p = s; |
3383 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3384 | do { | |
3385 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3386 | p = e; | |
3387 | while (isSPACE(*p)) | |
3388 | p++; | |
3389 | } while (*p && *p != '-'); | |
55b4bc1c | 3390 | incpush(s, e-s, |
e28f3139 | 3391 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3392 | s = p; |
3393 | if (*s == '-') | |
3394 | s++; | |
79072805 LW |
3395 | } |
3396 | else | |
a67e862a | 3397 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3398 | return s; |
79072805 | 3399 | case 'l': |
3280af22 | 3400 | PL_minus_l = TRUE; |
79072805 | 3401 | s++; |
7889fe52 NIS |
3402 | if (PL_ors_sv) { |
3403 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3404 | PL_ors_sv = NULL; |
7889fe52 | 3405 | } |
79072805 | 3406 | if (isDIGIT(*s)) { |
53305cf1 | 3407 | I32 flags = 0; |
a3b680e6 | 3408 | STRLEN numlen; |
396482e1 | 3409 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3410 | numlen = 3 + (*s == '0'); |
3411 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3412 | s += numlen; |
3413 | } | |
3414 | else { | |
8bfdd7d9 | 3415 | if (RsPARA(PL_rs)) { |
396482e1 | 3416 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3417 | } |
3418 | else { | |
8bfdd7d9 | 3419 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3420 | } |
79072805 LW |
3421 | } |
3422 | return s; | |
1a30305b | 3423 | case 'M': |
f20b2998 | 3424 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3425 | /* FALLTHROUGH */ |
1a30305b | 3426 | case 'm': |
f20b2998 | 3427 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3428 | if (*++s) { |
c7030b81 | 3429 | const char *start; |
b64cb68c | 3430 | const char *end; |
11343788 | 3431 | SV *sv; |
e1ec3a88 | 3432 | const char *use = "use "; |
0544e6df | 3433 | bool colon = FALSE; |
a5f75d66 | 3434 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3435 | /* Leading space on " no " is deliberate, to make both |
3436 | possibilities the same length. */ | |
3437 | if (*s == '-') { use = " no "; ++s; } | |
3438 | sv = newSVpvn(use,4); | |
a5f75d66 | 3439 | start = s; |
1a30305b | 3440 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3441 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3442 | if( *s++ == ':' ) { |
3443 | if( *s == ':' ) | |
3444 | s++; | |
3445 | else | |
3446 | colon = TRUE; | |
3447 | } | |
3448 | } | |
3449 | if (s == start) | |
3450 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3451 | option); | |
3452 | if (colon) | |
3453 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3454 | "contains single ':'", | |
63da6837 | 3455 | (int)(s - start), start, option); |
b64cb68c | 3456 | end = s + strlen(s); |
c07a80fd | 3457 | if (*s != '=') { |
b64cb68c | 3458 | sv_catpvn(sv, start, end - start); |
0544e6df | 3459 | if (option == 'm') { |
c07a80fd | 3460 | if (*s != '\0') |
cea2e8a9 | 3461 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3462 | sv_catpvs( sv, " ()"); |
c07a80fd | 3463 | } |
3464 | } else { | |
11343788 | 3465 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3466 | /* Use NUL as q''-delimiter. */ |
3467 | sv_catpvs(sv, " split(/,/,q\0"); | |
3468 | ++s; | |
3469 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3470 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3471 | } |
b64cb68c | 3472 | s = end; |
29a861e7 | 3473 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3474 | } |
3475 | else | |
0544e6df | 3476 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3477 | return s; |
79072805 | 3478 | case 'n': |
3280af22 | 3479 | PL_minus_n = TRUE; |
79072805 LW |
3480 | s++; |
3481 | return s; | |
3482 | case 'p': | |
3280af22 | 3483 | PL_minus_p = TRUE; |
79072805 LW |
3484 | s++; |
3485 | return s; | |
3486 | case 's': | |
f20b2998 | 3487 | forbid_setid('s', FALSE); |
3280af22 | 3488 | PL_doswitches = TRUE; |
79072805 LW |
3489 | s++; |
3490 | return s; | |
6537fe72 | 3491 | case 't': |
27a6968b | 3492 | case 'T': |
dc6d7f5c | 3493 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3494 | /* silently ignore */ |
dc6d7f5c | 3495 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3496 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3497 | "Cowardly refusing to run with -t or -T flags"); |
3498 | #else | |
3499 | if (!TAINTING_get) | |
27a6968b | 3500 | TOO_LATE_FOR(*s); |
284167a5 | 3501 | #endif |
6537fe72 | 3502 | s++; |
463ee0b2 | 3503 | return s; |
79072805 | 3504 | case 'u': |
3280af22 | 3505 | PL_do_undump = TRUE; |
79072805 LW |
3506 | s++; |
3507 | return s; | |
3508 | case 'U': | |
3280af22 | 3509 | PL_unsafe = TRUE; |
79072805 LW |
3510 | s++; |
3511 | return s; | |
3512 | case 'v': | |
c4bc78d9 NC |
3513 | minus_v(); |
3514 | case 'w': | |
3515 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3516 | PL_dowarn |= G_WARN_ON; | |
3517 | } | |
3518 | s++; | |
3519 | return s; | |
3520 | case 'W': | |
3521 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3522 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3523 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3524 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3525 | s++; | |
3526 | return s; | |
3527 | case 'X': | |
3528 | PL_dowarn = G_WARN_ALL_OFF; | |
3529 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3530 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3531 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3532 | s++; | |
3533 | return s; | |
3534 | case '*': | |
3535 | case ' ': | |
3536 | while( *s == ' ' ) | |
3537 | ++s; | |
3538 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3539 | return s+1; | |
3540 | break; | |
3541 | case '-': | |
3542 | case 0: | |
3543 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3544 | case '\r': | |
3545 | #endif | |
3546 | case '\n': | |
3547 | case '\t': | |
3548 | break; | |
3549 | #ifdef ALTERNATE_SHEBANG | |
3550 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3551 | break; | |
3552 | #endif | |
4bb78d63 CB |
3553 | case 'e': case 'f': case 'x': case 'E': |
3554 | #ifndef ALTERNATE_SHEBANG | |
3555 | case 'S': | |
3556 | #endif | |
3557 | case 'V': | |
c4bc78d9 | 3558 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3559 | default: |
3560 | Perl_croak(aTHX_ | |
3561 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3562 | ); | |
c4bc78d9 NC |
3563 | } |
3564 | return NULL; | |
3565 | } | |
3566 | ||
3567 | ||
3568 | STATIC void | |
3569 | S_minus_v(pTHX) | |
3570 | { | |
fc3381af | 3571 | PerlIO * PIO_stdout; |
46807d8e | 3572 | { |
709aee94 DD |
3573 | const char * const level_str = "v" PERL_VERSION_STRING; |
3574 | const STRLEN level_len = sizeof("v" PERL_VERSION_STRING)-1; | |
46807d8e | 3575 | #ifdef PERL_PATCHNUM |
709aee94 | 3576 | SV* level; |
23d483e2 | 3577 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
709aee94 | 3578 | static const char num [] = PERL_PATCHNUM "*"; |
23d483e2 | 3579 | # else |
709aee94 | 3580 | static const char num [] = PERL_PATCHNUM; |
23d483e2 | 3581 | # endif |
fc3381af | 3582 | { |
709aee94 DD |
3583 | const STRLEN num_len = sizeof(num)-1; |
3584 | /* A very advanced compiler would fold away the strnEQ | |
3585 | and this whole conditional, but most (all?) won't do it. | |
3586 | SV level could also be replaced by with preprocessor | |
3587 | catenation. | |
3588 | */ | |
3589 | if (num_len >= level_len && strnEQ(num,level_str,level_len)) { | |
3590 | /* per 46807d8e80, PERL_PATCHNUM is outside of the control | |
3591 | of the interp so it might contain format characters | |
3592 | */ | |
3593 | level = newSVpvn(num, num_len); | |
fc3381af | 3594 | } else { |
709aee94 | 3595 | level = Perl_newSVpvf_nocontext("%s (%s)", level_str, num); |
fc3381af | 3596 | } |
46807d8e | 3597 | } |
709aee94 DD |
3598 | #else |
3599 | SV* level = newSVpvn(level_str, level_len); | |
3600 | #endif /* #ifdef PERL_PATCHNUM */ | |
fc3381af DD |
3601 | PIO_stdout = PerlIO_stdout(); |
3602 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3603 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3604 | ", version " STRINGIFY(PERL_VERSION) | |
3605 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
147e3846 | 3606 | " (%" SVf ") built for " ARCHNAME, SVfARG(level) |
ded326e4 | 3607 | ); |
709aee94 | 3608 | SvREFCNT_dec_NN(level); |
46807d8e | 3609 | } |
fb73857a | 3610 | #if defined(LOCAL_PATCH_COUNT) |
3611 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3612 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3613 | "\n(with %d registered patch%s, " |
3614 | "see perl -V for more detail)", | |
bb7a0f54 | 3615 | LOCAL_PATCH_COUNT, |
b0e47665 | 3616 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3617 | #endif |
1a30305b | 3618 | |
fc3381af | 3619 | PerlIO_printf(PIO_stdout, |
f3e2e262 | 3620 | "\n\nCopyright 1987-2017, Larry Wall\n"); |
79072805 | 3621 | #ifdef MSDOS |
fc3381af | 3622 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3623 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3624 | #endif |
3625 | #ifdef DJGPP | |
fc3381af | 3626 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3627 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3628 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3629 | #endif |
79072805 | 3630 | #ifdef OS2 |
fc3381af | 3631 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3632 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3633 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3634 | #endif |
9d116dd7 | 3635 | #ifdef OEMVS |
fc3381af | 3636 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3637 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3638 | #endif |
495c5fdc | 3639 | #ifdef __VOS__ |
fc3381af | 3640 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3641 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3642 | #endif |
a1a0e61e | 3643 | #ifdef POSIX_BC |
fc3381af | 3644 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3645 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3646 | #endif |
e1caacb4 | 3647 | #ifdef UNDER_CE |
fc3381af DD |
3648 | PerlIO_printf(PIO_stdout, |
3649 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3650 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3651 | wce_hitreturn(); |
3652 | #endif | |
a0fd4948 | 3653 | #ifdef __SYMBIAN32__ |
fc3381af | 3654 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3655 | "Symbian port by Nokia, 2004-2005\n"); |
3656 | #endif | |
baed7233 DL |
3657 | #ifdef BINARY_BUILD_NOTICE |
3658 | BINARY_BUILD_NOTICE; | |
3659 | #endif | |
fc3381af | 3660 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3661 | "\n\ |
79072805 | 3662 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3663 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3664 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3665 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3666 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3667 | my_exit(0); |
79072805 LW |
3668 | } |
3669 | ||
3670 | /* compliments of Tom Christiansen */ | |
3671 | ||
3672 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3673 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3674 | |
25bbd826 CB |
3675 | #ifdef VMS |
3676 | #include <lib$routines.h> | |
3677 | #endif | |
3678 | ||
79072805 | 3679 | void |
864dbfa3 | 3680 | Perl_my_unexec(pTHX) |
79072805 LW |
3681 | { |
3682 | #ifdef UNEXEC | |
b37c2d43 AL |
3683 | SV * prog = newSVpv(BIN_EXP, 0); |
3684 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3685 | int status = 1; |
79072805 LW |
3686 | extern int etext; |
3687 | ||
396482e1 | 3688 | sv_catpvs(prog, "/perl"); |
396482e1 | 3689 | sv_catpvs(file, ".perldump"); |
79072805 | 3690 | |
ee580363 GS |
3691 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3692 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3693 | PerlProc_exit(status); |
79072805 | 3694 | #else |
ddeaf645 | 3695 | PERL_UNUSED_CONTEXT; |
a5f75d66 | 3696 | # ifdef VMS |
a5f75d66 | 3697 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 | 3698 | # elif defined(WIN32) || defined(__CYGWIN__) |
ddeaf645 | 3699 | Perl_croak_nocontext("dump is not supported"); |
aa689395 | 3700 | # else |
79072805 | 3701 | ABORT(); /* for use with undump */ |
aa689395 | 3702 | # endif |
a5f75d66 | 3703 | #endif |
79072805 LW |
3704 | } |
3705 | ||
cb68f92d GS |
3706 | /* initialize curinterp */ |
3707 | STATIC void | |
cea2e8a9 | 3708 | S_init_interp(pTHX) |
cb68f92d | 3709 | { |
acfe0abc | 3710 | #ifdef MULTIPLICITY |
115ff745 NC |
3711 | # define PERLVAR(prefix,var,type) |
3712 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3713 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3714 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3715 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3716 | # else |
115ff745 NC |
3717 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3718 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3719 | # endif |
acfe0abc | 3720 | # include "intrpvar.h" |
acfe0abc GS |
3721 | # undef PERLVAR |
3722 | # undef PERLVARA | |
3723 | # undef PERLVARI | |
3724 | # undef PERLVARIC | |
3725 | #else | |
115ff745 NC |
3726 | # define PERLVAR(prefix,var,type) |
3727 | # define PERLVARA(prefix,var,n,type) | |
3728 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3729 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3730 | # include "intrpvar.h" |
acfe0abc GS |
3731 | # undef PERLVAR |
3732 | # undef PERLVARA | |
3733 | # undef PERLVARI | |
3734 | # undef PERLVARIC | |
cb68f92d GS |
3735 | #endif |
3736 | ||
cb68f92d GS |
3737 | } |
3738 | ||
76e3520e | 3739 | STATIC void |
cea2e8a9 | 3740 | S_init_main_stash(pTHX) |
79072805 | 3741 | { |
463ee0b2 | 3742 | GV *gv; |
6e72f9df | 3743 | |
03d9f026 | 3744 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3745 | /* We know that the string "main" will be in the global shared string |
3746 | table, so it's a small saving to use it rather than allocate another | |
3747 | 8 bytes. */ | |
18916d0d | 3748 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3749 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3750 | /* If we hadn't caused another reference to "main" to be in the shared |
3751 | string table above, then it would be worth reordering these two, | |
3752 | because otherwise all we do is delete "main" from it as a consequence | |
3753 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3754 | SvREFCNT_dec(GvHV(gv)); |
854da30f | 3755 | hv_name_sets(PL_defstash, "main", 0); |
85fbaab2 | 3756 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3757 | SvREADONLY_on(gv); |
fafc274c NC |
3758 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3759 | SVt_PVAV))); | |
5a5094bd | 3760 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3761 | GvMULTI_on(PL_incgv); |
fafc274c | 3762 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3763 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3764 | GvMULTI_on(PL_hintgv); |
fafc274c | 3765 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3766 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3767 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3768 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3769 | GvMULTI_on(PL_errgv); |
fafc274c | 3770 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3771 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3772 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3773 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 | 3774 | #ifdef PERL_DONT_CREATE_GVSV |
689fbe18 | 3775 | (void)gv_SVadd(PL_errgv); |
c69033f2 | 3776 | #endif |
38a03e6e | 3777 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3778 | CLEAR_ERRSV(); |
03d9f026 | 3779 | SET_CURSTASH(PL_defstash); |
11faa288 | 3780 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3781 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3782 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3783 | SVt_PVHV)); | |
4633a7c4 | 3784 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3785 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3786 | } |
3787 | ||
8d113837 NC |
3788 | STATIC PerlIO * |
3789 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3790 | { |
fdf5d70d | 3791 | int fdscript = -1; |
8d113837 | 3792 | PerlIO *rsfp = NULL; |
1dfef69b | 3793 | Stat_t tmpstatbuf; |
375ed12a | 3794 | int fd; |
1b24ed4b | 3795 | |
7918f24d NC |
3796 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3797 | ||
3280af22 | 3798 | if (PL_e_script) { |
8afc33d6 | 3799 | PL_origfilename = savepvs("-e"); |
96436eeb | 3800 | } |
6c4ab083 | 3801 | else { |
22ff3130 HS |
3802 | const char *s; |
3803 | UV uv; | |
6c4ab083 | 3804 | /* if find_script() returns, it returns a malloc()-ed value */ |
dd374669 | 3805 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 | 3806 | |
854da30f | 3807 | if (strEQs(scriptname, "/dev/fd/") |
22ff3130 HS |
3808 | && isDIGIT(scriptname[8]) |
3809 | && grok_atoUV(scriptname + 8, &uv, &s) | |
3810 | && uv <= PERL_INT_MAX | |
3811 | ) { | |
3812 | fdscript = (int)uv; | |
6c4ab083 | 3813 | if (*s) { |
ae3f3efd PS |
3814 | /* PSz 18 Feb 04 |
3815 | * Tell apart "normal" usage of fdscript, e.g. | |
3816 | * with bash on FreeBSD: | |
3817 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3818 | * from usage in suidperl. | |
3819 | * Does any "normal" usage leave garbage after the number??? | |
3820 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3821 | * suidperl? | |
3822 | */ | |
f20b2998 | 3823 | *suidscript = TRUE; |
ae3f3efd PS |
3824 | /* PSz 20 Feb 04 |
3825 | * Be supersafe and do some sanity-checks. | |
3826 | * Still, can we be sure we got the right thing? | |
3827 | */ | |
3828 | if (*s != '/') { | |
3829 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3830 | } | |
3831 | if (! *(s+1)) { | |
3832 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3833 | } | |
6c4ab083 | 3834 | scriptname = savepv(s + 1); |
3280af22 | 3835 | Safefree(PL_origfilename); |
dd374669 | 3836 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3837 | } |
3838 | } | |
3839 | } | |
3840 | ||
05ec9bb3 | 3841 | CopFILE_free(PL_curcop); |
57843af0 | 3842 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3843 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3844 | scriptname = (char *)""; |
fdf5d70d | 3845 | if (fdscript >= 0) { |
8d113837 | 3846 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3847 | } |
79072805 | 3848 | else if (!*scriptname) { |
cdd8118e | 3849 | forbid_setid(0, *suidscript); |
c0b3891a | 3850 | return NULL; |
79072805 | 3851 | } |
96436eeb | 3852 | else { |
9c12f1e5 RGS |
3853 | #ifdef FAKE_BIT_BUCKET |
3854 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3855 | * is called) and still have the "-e" work. (Believe it or not, | |
3856 | * a /dev/null is required for the "-e" to work because source | |
3857 | * filter magic is used to implement it. ) This is *not* a general | |
3858 | * replacement for a /dev/null. What we do here is create a temp | |
3859 | * file (an empty file), open up that as the script, and then | |
3860 | * immediately close and unlink it. Close enough for jazz. */ | |
3861 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3862 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3863 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3864 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3865 | FAKE_BIT_BUCKET_TEMPLATE | |
3866 | }; | |
3867 | const char * const err = "Failed to create a fake bit bucket"; | |
3868 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3869 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
e57270be | 3870 | int old_umask = umask(0177); |
9c12f1e5 | 3871 | int tmpfd = mkstemp(tmpname); |
60f7fc1e | 3872 | umask(old_umask); |
9c12f1e5 RGS |
3873 | if (tmpfd > -1) { |
3874 | scriptname = tmpname; | |
3875 | close(tmpfd); | |
3876 | } else | |
3877 | Perl_croak(aTHX_ err); | |
3878 | #else | |
3879 | # ifdef HAS_MKTEMP | |
3880 | scriptname = mktemp(tmpname); | |
3881 | if (!scriptname) | |
3882 | Perl_croak(aTHX_ err); | |
3883 | # endif | |
3884 | #endif | |
3885 | } | |
3886 | #endif | |
8d113837 | 3887 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3888 | #ifdef FAKE_BIT_BUCKET |
3889 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3890 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3891 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3892 | unlink(scriptname); | |
3893 | } | |
3894 | scriptname = BIT_BUCKET; | |
3895 | #endif | |
96436eeb | 3896 | } |
8d113837 | 3897 | if (!rsfp) { |
447218f8 | 3898 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 | 3899 | if (PL_e_script) |
147e3846 | 3900 | Perl_croak(aTHX_ "Can't open " BIT_BUCKET ": %s\n", Strerror(errno)); |
b1681ed3 RGS |
3901 | else |
3902 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3903 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3904 | } |
375ed12a | 3905 | fd = PerlIO_fileno(rsfp); |
131d45a9 | 3906 | #if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC) |
375ed12a JH |
3907 | if (fd >= 0) { |
3908 | /* ensure close-on-exec */ | |
131d45a9 | 3909 | if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { |
375ed12a JH |
3910 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3911 | CopFILE(PL_curcop), Strerror(errno)); | |
3912 | } | |
3913 | } | |
a7c81930 | 3914 | #endif |
1dfef69b | 3915 | |
375ed12a JH |
3916 | if (fd < 0 || |
3917 | (PerlLIO_fstat(fd, &tmpstatbuf) >= 0 | |
3918 | && S_ISDIR(tmpstatbuf.st_mode))) | |
1dfef69b RS |
3919 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3920 | CopFILE(PL_curcop), | |
0c0d42ff | 3921 | Strerror(EISDIR)); |
1dfef69b | 3922 | |
8d113837 | 3923 | return rsfp; |
79072805 | 3924 | } |
8d063cd8 | 3925 | |
ea442100 JH |
3926 | /* Mention |
3927 | * I_SYSSTATVFS HAS_FSTATVFS | |
3928 | * I_SYSMOUNT | |
3929 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT | |
3930 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
3931 | * here so that metaconfig picks them up. */ | |
3932 | ||
3933 | ||
cc69b689 | 3934 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3935 | /* Don't even need this function. */ |
cc69b689 | 3936 | #else |
ec2019ad NC |
3937 | STATIC void |
3938 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3939 | { | |
dfff4baf BF |
3940 | const Uid_t my_uid = PerlProc_getuid(); |
3941 | const Uid_t my_euid = PerlProc_geteuid(); | |
3942 | const Gid_t my_gid = PerlProc_getgid(); | |
3943 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3944 | |
ac076a5c NC |
3945 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3946 | ||
985213f2 | 3947 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da | 3948 | dVAR; |
375ed12a | 3949 | int fd = PerlIO_fileno(rsfp); |
45a23732 DD |
3950 | Stat_t statbuf; |
3951 | if (fd < 0 || PerlLIO_fstat(fd, &statbuf) < 0) { /* may be either wrapped or real suid */ | |
3952 | Perl_croak_nocontext( "Illegal suidscript"); | |
375ed12a | 3953 | } |
45a23732 | 3954 | if ((my_euid != my_uid && my_euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
375ed12a | 3955 | || |
45a23732 | 3956 | (my_egid != my_gid && my_egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
375ed12a | 3957 | ) |
b28d0864 | 3958 | if (!PL_do_undump) |
cea2e8a9 | 3959 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3960 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3961 | /* not set-id, must be wrapped */ |
a687059c | 3962 | } |
79072805 | 3963 | } |
cc69b689 | 3964 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3965 | |
76e3520e | 3966 | STATIC void |
2f9285f8 | 3967 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3968 | { |
c7030b81 | 3969 | const char *s; |
eb578fdb | 3970 | const char *s2; |
33b78306 | 3971 | |
7918f24d NC |
3972 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3973 | ||
33b78306 LW |
3974 | /* skip forward in input to the real script? */ |
3975 | ||
737c24fc | 3976 | do { |
2f9285f8 | 3977 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3978 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3979 | s2 = s; |
737c24fc Z |
3980 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3981 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3982 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3983 | s2 = s; | |
3984 | while (*s == ' ' || *s == '\t') s++; | |
3985 | if (*s++ == '-') { | |
3986 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3987 | || s2[-1] == '_') s2--; | |
854da30f | 3988 | if (strEQs(s2-4,"perl")) |
737c24fc Z |
3989 | while ((s = moreswitches(s))) |
3990 | ; | |
83025b21 LW |
3991 | } |
3992 | } | |
3993 | ||
afe37c7d | 3994 | |
76e3520e | 3995 | STATIC void |
cea2e8a9 | 3996 | S_init_ids(pTHX) |
352d5a3a | 3997 | { |
284167a5 S |
3998 | /* no need to do anything here any more if we don't |
3999 | * do tainting. */ | |
dc6d7f5c | 4000 | #ifndef NO_TAINT_SUPPORT |
dfff4baf BF |
4001 | const Uid_t my_uid = PerlProc_getuid(); |
4002 | const Uid_t my_euid = PerlProc_geteuid(); | |
4003 | const Gid_t my_gid = PerlProc_getgid(); | |
4004 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 4005 | |
20b7effb JH |
4006 | PERL_UNUSED_CONTEXT; |
4007 | ||
22f7c9c9 | 4008 | /* Should not happen: */ |
985213f2 | 4009 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
4010 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
4011 | #endif | |
ae3f3efd PS |
4012 | /* BUG */ |
4013 | /* PSz 27 Feb 04 | |
4014 | * Should go by suidscript, not uid!=euid: why disallow | |
4015 | * system("ls") in scripts run from setuid things? | |
4016 | * Or, is this run before we check arguments and set suidscript? | |
4017 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
4018 | * (We never have suidscript, can we be sure to have fdscript?) | |
4019 | * Or must then go by UID checks? See comments in forbid_setid also. | |
4020 | */ | |
748a9306 | 4021 | } |
79072805 | 4022 | |
a0643315 JH |
4023 | /* This is used very early in the lifetime of the program, |
4024 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4025 | * not been initialized properly. */ |
af419de7 | 4026 | bool |
8f42b153 | 4027 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4028 | { |
c3446a78 JH |
4029 | #ifndef PERL_IMPLICIT_SYS |
4030 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4031 | * before we have an interpreter-- and the whole point of this | |
4032 | * function is to be called at such an early stage. If you are on | |
4033 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4034 | * "tainted because running with altered effective ids', you'll | |
4035 | * have to add your own checks somewhere in here. The two most | |
4036 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4037 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
4038 | Uid_t uid = PerlProc_getuid(); |
4039 | Uid_t euid = PerlProc_geteuid(); | |
4040 | Gid_t gid = PerlProc_getgid(); | |
4041 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 4042 | (void)envp; |
22f7c9c9 JH |
4043 | |
4044 | #ifdef VMS | |
af419de7 | 4045 | uid |= gid << 16; |
22f7c9c9 JH |
4046 | euid |= egid << 16; |
4047 | #endif | |
4048 | if (uid && (euid != uid || egid != gid)) | |
4049 | return 1; | |
c3446a78 | 4050 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4051 | /* This is a really primitive check; environment gets ignored only |
4052 | * if -T are the first chars together; otherwise one gets | |
4053 | * "Too late" message. */ | |
22f7c9c9 | 4054 | if ( argc > 1 && argv[1][0] == '-' |
305b8651 | 4055 | && isALPHA_FOLD_EQ(argv[1][1], 't')) |
22f7c9c9 JH |
4056 | return 1; |
4057 | return 0; | |
4058 | } | |
22f7c9c9 | 4059 | |
d0bafe7e NC |
4060 | /* Passing the flag as a single char rather than a string is a slight space |
4061 | optimisation. The only message that isn't /^-.$/ is | |
4062 | "program input from stdin", which is substituted in place of '\0', which | |
4063 | could never be a command line flag. */ | |
76e3520e | 4064 | STATIC void |
f20b2998 | 4065 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 4066 | { |
d0bafe7e NC |
4067 | char string[3] = "-x"; |
4068 | const char *message = "program input from stdin"; | |
4069 | ||
20b7effb | 4070 | PERL_UNUSED_CONTEXT; |
d0bafe7e NC |
4071 | if (flag) { |
4072 | string[1] = flag; | |
4073 | message = string; | |
4074 | } | |
4075 | ||
ae3f3efd | 4076 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 4077 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 4078 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 4079 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 4080 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 4081 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 4082 | if (suidscript) |
d0bafe7e | 4083 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 4084 | } |
4085 | ||
1ee4443e | 4086 | void |
5b235299 NC |
4087 | Perl_init_dbargs(pTHX) |
4088 | { | |
4089 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
4090 | GV_ADDMULTI, | |
4091 | SVt_PVAV)))); | |
4092 | ||
4093 | if (AvREAL(args)) { | |
4094 | /* Someone has already created it. | |
4095 | It might have entries, and if we just turn off AvREAL(), they will | |
4096 | "leak" until global destruction. */ | |
4097 | av_clear(args); | |
3df49e2a | 4098 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 4099 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 4100 | } |
af80dd86 | 4101 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
4102 | } |
4103 | ||
4104 | void | |
1ee4443e | 4105 | Perl_init_debugger(pTHX) |
748a9306 | 4106 | { |
c4420975 | 4107 | HV * const ostash = PL_curstash; |
a6d69523 | 4108 | MAGIC *mg; |
1ee4443e | 4109 | |
03d9f026 | 4110 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
4111 | |
4112 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
4113 | PL_DBgv = MUTABLE_GV( |
4114 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
4115 | ); | |
4116 | PL_DBline = MUTABLE_GV( | |
4117 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
4118 | ); | |
4119 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
4120 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
4121 | )); | |
5c1737d1 | 4122 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4123 | if (!SvIOK(PL_DBsingle)) |
4124 | sv_setiv(PL_DBsingle, 0); | |
a6d69523 TC |
4125 | mg = sv_magicext(PL_DBsingle, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4126 | mg->mg_private = DBVARMG_SINGLE; | |
4127 | SvSETMAGIC(PL_DBsingle); | |
4128 | ||
5c1737d1 | 4129 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4130 | if (!SvIOK(PL_DBtrace)) |
4131 | sv_setiv(PL_DBtrace, 0); | |
a6d69523 TC |
4132 | mg = sv_magicext(PL_DBtrace, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4133 | mg->mg_private = DBVARMG_TRACE; | |
4134 | SvSETMAGIC(PL_DBtrace); | |
4135 | ||
5c1737d1 | 4136 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4137 | if (!SvIOK(PL_DBsignal)) |
4138 | sv_setiv(PL_DBsignal, 0); | |
a6d69523 TC |
4139 | mg = sv_magicext(PL_DBsignal, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4140 | mg->mg_private = DBVARMG_SIGNAL; | |
4141 | SvSETMAGIC(PL_DBsignal); | |
4142 | ||
03d9f026 | 4143 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 4144 | PL_curstash = ostash; |
352d5a3a LW |
4145 | } |
4146 | ||
2ce36478 SM |
4147 | #ifndef STRESS_REALLOC |
4148 | #define REASONABLE(size) (size) | |
0ff72558 | 4149 | #define REASONABLE_but_at_least(size,min) (size) |
2ce36478 SM |
4150 | #else |
4151 | #define REASONABLE(size) (1) /* unreasonable */ | |
0ff72558 | 4152 | #define REASONABLE_but_at_least(size,min) (min) |
2ce36478 SM |
4153 | #endif |
4154 | ||
11343788 | 4155 | void |
cea2e8a9 | 4156 | Perl_init_stacks(pTHX) |
79072805 | 4157 | { |
3caf0269 DM |
4158 | SSize_t size; |
4159 | ||
e336de0d | 4160 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4161 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4162 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4163 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4164 | PL_curstack = PL_curstackinfo->si_stack; | |
4165 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4166 | |
3280af22 NIS |
4167 | PL_stack_base = AvARRAY(PL_curstack); |
4168 | PL_stack_sp = PL_stack_base; | |
4169 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4170 | |
a02a5408 | 4171 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4172 | PL_tmps_floor = -1; |
4173 | PL_tmps_ix = -1; | |
4174 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4175 | |
a02a5408 | 4176 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4177 | PL_markstack_ptr = PL_markstack; |
4178 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4179 | |
ce2f7c3b | 4180 | SET_MARK_OFFSET; |
e336de0d | 4181 | |
a02a5408 | 4182 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4183 | #ifdef DEBUGGING |
4184 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4185 | #endif | |
3280af22 NIS |
4186 | PL_scopestack_ix = 0; |
4187 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4188 | |
3caf0269 DM |
4189 | size = REASONABLE_but_at_least(128,SS_MAXPUSH); |
4190 | Newx(PL_savestack, size, ANY); | |
3280af22 | 4191 | PL_savestack_ix = 0; |
3caf0269 DM |
4192 | /*PL_savestack_max lies: it always has SS_MAXPUSH more than it claims */ |
4193 | PL_savestack_max = size - SS_MAXPUSH; | |
378cc40b | 4194 | } |
33b78306 | 4195 | |
2ce36478 SM |
4196 | #undef REASONABLE |
4197 | ||
76e3520e | 4198 | STATIC void |
cea2e8a9 | 4199 | S_nuke_stacks(pTHX) |
6e72f9df | 4200 | { |
3280af22 NIS |
4201 | while (PL_curstackinfo->si_next) |
4202 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4203 | while (PL_curstackinfo) { | |
4204 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4205 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4206 | Safefree(PL_curstackinfo->si_cxstack); |
4207 | Safefree(PL_curstackinfo); | |
4208 | PL_curstackinfo = p; | |
e336de0d | 4209 | } |
3280af22 NIS |
4210 | Safefree(PL_tmps_stack); |
4211 | Safefree(PL_markstack); | |
4212 | Safefree(PL_scopestack); | |
58780814 GG |
4213 | #ifdef DEBUGGING |
4214 | Safefree(PL_scopestack_name); | |
4215 | #endif | |
3280af22 | 4216 | Safefree(PL_savestack); |
378cc40b | 4217 | } |
33b78306 | 4218 | |
74e8ce34 NC |
4219 | void |
4220 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4221 | { | |
4222 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4223 | AV *const isa = GvAVn(gv); | |
4224 | va_list args; | |
4225 | ||
4226 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4227 | ||
4228 | if(AvFILLp(isa) != -1) | |
4229 | return; | |
4230 | ||
4231 | /* NOTE: No support for tied ISA */ | |
4232 | ||
4233 | va_start(args, len); | |
4234 | do { | |
4235 | const char *const parent = va_arg(args, const char*); | |
4236 | size_t parent_len; | |
4237 | ||
4238 | if (!parent) | |
4239 | break; | |
4240 | parent_len = va_arg(args, size_t); | |
4241 | ||
4242 | /* Arguments are supplied with a trailing :: */ | |
4243 | assert(parent_len > 2); | |
4244 | assert(parent[parent_len - 1] == ':'); | |
4245 | assert(parent[parent_len - 2] == ':'); | |
4246 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4247 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4248 | } while (1); | |
4249 | va_end(args); | |
4250 | } | |
4251 | ||
8990e307 | 4252 | |
76e3520e | 4253 | STATIC void |
cea2e8a9 | 4254 | S_init_predump_symbols(pTHX) |
45d8adaa | 4255 | { |
93a17b20 | 4256 | GV *tmpgv; |
af8c498a | 4257 | IO *io; |
79072805 | 4258 | |
64ace3f8 | 4259 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4260 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4261 | ||
d963bf01 NC |
4262 | |
4263 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4264 | FileHandle was loaded, in which case they were blessed into | |
4265 | that. Action at a distance. | |
4266 | However, if we simply bless into IO::Handle, we break code | |
4267 | that assumes that PVIOs will have (among others) a seek | |
4268 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4269 | and provides the needed methods. But if we simply bless into | |
4270 | it, then we break code that assumed that by loading | |
4271 | IO::Handle, *it* would work. | |
4272 | So a compromise is to set up the correct @IO::File::ISA, | |
4273 | so that code that does C<use IO::Handle>; will still work. | |
4274 | */ | |
4275 | ||
74e8ce34 NC |
4276 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4277 | STR_WITH_LEN("IO::Handle::"), | |
4278 | STR_WITH_LEN("IO::Seekable::"), | |
4279 | STR_WITH_LEN("Exporter::"), | |
4280 | NULL); | |
d963bf01 | 4281 | |
fafc274c | 4282 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4283 | GvMULTI_on(PL_stdingv); |
af8c498a | 4284 | io = GvIOp(PL_stdingv); |
a04651f4 | 4285 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4286 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4287 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4288 | GvMULTI_on(tmpgv); |
a45c7426 | 4289 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4290 | |
fafc274c | 4291 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4292 | GvMULTI_on(tmpgv); |
af8c498a | 4293 | io = GvIOp(tmpgv); |
a04651f4 | 4294 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4295 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4296 | setdefout(tmpgv); |
fafc274c | 4297 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4298 | GvMULTI_on(tmpgv); |
a45c7426 | 4299 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4300 | |
fafc274c | 4301 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4302 | GvMULTI_on(PL_stderrgv); |
4303 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4304 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4305 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4306 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4307 | GvMULTI_on(tmpgv); |
a45c7426 | 4308 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4309 | |
de61bf2a | 4310 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4311 | } |
33b78306 | 4312 | |
a11ec5a9 | 4313 | void |
5aaab254 | 4314 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4315 | { |
7918f24d NC |
4316 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; |
4317 | ||
79072805 | 4318 | argc--,argv++; /* skip name of script */ |
3280af22 | 4319 | if (PL_doswitches) { |
79072805 | 4320 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4321 | char *s; |
79072805 LW |
4322 | if (!argv[0][1]) |
4323 | break; | |
379d538a | 4324 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4325 | argc--,argv++; |
4326 | break; | |
4327 | } | |
155aba94 | 4328 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4329 | const char *const start_name = argv[0] + 1; |
4330 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4331 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4332 | } |
4333 | else | |
71315bf2 | 4334 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4335 | } |
79072805 | 4336 | } |
fafc274c | 4337 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4338 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4339 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4340 | av_clear(GvAVn(PL_argvgv)); |
4341 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4342 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4343 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4344 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4345 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4346 | SvUTF8_on(sv); | |
4347 | } | |
a05d7ebb JH |
4348 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4349 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4350 | } |
4351 | } | |
82f96200 JL |
4352 | |
4353 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4354 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4355 | "-i used with no filenames on the command line, " | |
4356 | "reading from STDIN"); | |
a11ec5a9 RGS |
4357 | } |
4358 | ||
4359 | STATIC void | |
5aaab254 | 4360 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4361 | { |
20b7effb | 4362 | #ifdef USE_ITHREADS |
27da23d5 | 4363 | dVAR; |
20b7effb | 4364 | #endif |
a11ec5a9 | 4365 | GV* tmpgv; |
a11ec5a9 | 4366 | |
7918f24d NC |
4367 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4368 | ||
f2da823f | 4369 | PL_toptarget = newSV_type(SVt_PVIV); |
854da30f | 4370 | SvPVCLEAR(PL_toptarget); |
f2da823f | 4371 | PL_bodytarget = newSV_type(SVt_PVIV); |
854da30f | 4372 | SvPVCLEAR(PL_bodytarget); |
3280af22 | 4373 | PL_formtarget = PL_bodytarget; |
79072805 | 4374 | |
bbce6d69 | 4375 | TAINT; |
a11ec5a9 RGS |
4376 | |
4377 | init_argv_symbols(argc,argv); | |
4378 | ||
fafc274c | 4379 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4380 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4381 | } |
fafc274c | 4382 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4383 | HV *hv; |
e17132c1 | 4384 | bool env_is_not_environ; |
cf93a474 | 4385 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4386 | GvMULTI_on(PL_envgv); |
4387 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4388 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4389 | #ifndef PERL_MICRO |
fa6a1c44 | 4390 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4391 | /* Note that if the supplied env parameter is actually a copy |
4392 | of the global environ then it may now point to free'd memory | |
4393 | if the environment has been modified since. To avoid this | |
4394 | problem we treat env==NULL as meaning 'use the default' | |
4395 | */ | |
4396 | if (!env) | |
4397 | env = environ; | |
e17132c1 JD |
4398 | env_is_not_environ = env != environ; |
4399 | if (env_is_not_environ | |
4efc5df6 GS |
4400 | # ifdef USE_ITHREADS |
4401 | && PL_curinterp == aTHX | |
4402 | # endif | |
4403 | ) | |
4404 | { | |
bd61b366 | 4405 | environ[0] = NULL; |
4efc5df6 | 4406 | } |
9b4eeda5 | 4407 | if (env) { |
9d27dca9 | 4408 | char *s, *old_var; |
ae37b791 | 4409 | STRLEN nlen; |
27da23d5 | 4410 | SV *sv; |
ae37b791 TC |
4411 | HV *dups = newHV(); |
4412 | ||
764df951 | 4413 | for (; *env; env++) { |
9d27dca9 MT |
4414 | old_var = *env; |
4415 | ||
4416 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4417 | continue; |
ae37b791 | 4418 | nlen = s - old_var; |
9d27dca9 | 4419 | |
7da0e383 | 4420 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4421 | *s = '\0'; |
9d27dca9 | 4422 | (void)strupr(old_var); |
61968511 | 4423 | *s = '='; |
137443ea | 4424 | #endif |
ae37b791 TC |
4425 | if (hv_exists(hv, old_var, nlen)) { |
4426 | const char *name = savepvn(old_var, nlen); | |
4427 | ||
4428 | /* make sure we use the same value as getenv(), otherwise code that | |
4429 | uses getenv() (like setlocale()) might see a different value to %ENV | |
4430 | */ | |
4431 | sv = newSVpv(PerlEnv_getenv(name), 0); | |
4432 | ||
4433 | /* keep a count of the dups of this name so we can de-dup environ later */ | |
4434 | if (hv_exists(dups, name, nlen)) | |
4435 | ++SvIVX(*hv_fetch(dups, name, nlen, 0)); | |
4436 | else | |
4437 | (void)hv_store(dups, name, nlen, newSViv(1), 0); | |
4438 | ||
4439 | Safefree(name); | |
4440 | } | |
4441 | else { | |
4442 | sv = newSVpv(s+1, 0); | |
4443 | } | |
4444 | (void)hv_store(hv, old_var, nlen, sv, 0); | |
e17132c1 | 4445 | if (env_is_not_environ) |
61968511 | 4446 | mg_set(sv); |
764df951 | 4447 | } |
ae37b791 TC |
4448 | if (HvKEYS(dups)) { |
4449 | /* environ has some duplicate definitions, remove them */ | |
4450 | HE *entry; | |
4451 | hv_iterinit(dups); | |
4452 | while ((entry = hv_iternext_flags(dups, 0))) { | |
4453 | STRLEN nlen; | |
4454 | const char *name = HePV(entry, nlen); | |
4455 | IV count = SvIV(HeVAL(entry)); | |
4456 | IV i; | |
4457 | SV **valp = hv_fetch(hv, name, nlen, 0); | |
4458 | ||
4459 | assert(valp); | |
4460 | ||
4461 | /* try to remove any duplicate names, depending on the | |
4462 | * implementation used in my_setenv() the iteration might | |
4463 | * not be necessary, but let's be safe. | |
4464 | */ | |
4465 | for (i = 0; i < count; ++i) | |
4466 | my_setenv(name, 0); | |
4467 | ||
4468 | /* and set it back to the value we set $ENV{name} to */ | |
4469 | my_setenv(name, SvPV_nolen(*valp)); | |
4470 | } | |
4471 | } | |
4472 | SvREFCNT_dec_NN(dups); | |
9b4eeda5 | 4473 | } |
103a7189 | 4474 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4475 | #endif /* !PERL_MICRO */ |
79072805 | 4476 | } |
bbce6d69 | 4477 | TAINT_NOT; |
2710853f MJD |
4478 | |
4479 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4480 | if (PL_minus_a) { | |
cbfd0a87 | 4481 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4482 | } |
33b78306 | 4483 | } |
34de22dd | 4484 | |
76e3520e | 4485 | STATIC void |
2cace6ac | 4486 | S_init_perllib(pTHX) |
34de22dd | 4487 | { |
32910c7a | 4488 | #ifndef VMS |
929e5b34 | 4489 | const char *perl5lib = NULL; |
32910c7a | 4490 | #endif |
35ba5ce9 | 4491 | const char *s; |
a7560424 | 4492 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4493 | STRLEN len; |
4494 | #endif | |
4495 | ||
284167a5 | 4496 | if (!TAINTING_get) { |
552a7a9b | 4497 | #ifndef VMS |
32910c7a | 4498 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4499 | /* |
4500 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4501 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4502 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4503 | */ |
4504 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4505 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4506 | #else |
32910c7a | 4507 | if (perl5lib) |
88f5bc07 | 4508 | #endif |
32910c7a | 4509 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4510 | else { |
4705144d NC |
4511 | s = PerlEnv_getenv("PERLLIB"); |
4512 | if (s) | |
50d61629 | 4513 | incpush_use_sep(s, 0, 0); |
4705144d | 4514 | } |
552a7a9b | 4515 | #else /* VMS */ |
4516 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4517 | * "natural" VMS idiom for a Unix path string. We allow each | |
4518 | * element to be a set of |-separated directories for compatibility. | |
4519 | */ | |
4520 | char buf[256]; | |
4521 | int idx = 0; | |
88467a4b | 4522 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
e28f3139 | 4523 | do { |
2cace6ac | 4524 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
88467a4b | 4525 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
f05b5874 | 4526 | else { |
88467a4b | 4527 | while (vmstrnenv("PERLLIB",buf,idx++,NULL,0)) |
50d61629 | 4528 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4529 | } |
552a7a9b | 4530 | #endif /* VMS */ |
85e6fe83 | 4531 | } |
34de22dd | 4532 | |
b0e687f7 NC |
4533 | #ifndef PERL_IS_MINIPERL |
4534 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4535 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4536 | ||
c90c0ff4 | 4537 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4538 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4539 | */ |
4633a7c4 | 4540 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4541 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4542 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4543 | #endif |
4633a7c4 | 4544 | |
65f19062 | 4545 | #ifdef SITEARCH_EXP |
3b290362 GS |
4546 | /* sitearch is always relative to sitelib on Windows for |
4547 | * DLL-based path intuition to work correctly */ | |
4548 | # if !defined(WIN32) | |
be71fc8f NC |
4549 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4550 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4551 | # endif |
4552 | #endif | |
4553 | ||
4633a7c4 | 4554 | #ifdef SITELIB_EXP |
65f19062 | 4555 | # if defined(WIN32) |
574c798a | 4556 | /* this picks up sitearch as well */ |
1c68cbf7 | 4557 | s = PerlEnv_sitelib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4558 | if (s) |
e6a0bbf8 | 4559 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4560 | # else |
50d61629 | 4561 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4562 | # endif |
4563 | #endif | |
189d1e8d | 4564 | |
65f19062 | 4565 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4566 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4567 | * DLL-based path intuition to work correctly */ |
4568 | # if !defined(WIN32) | |
be71fc8f NC |
4569 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4570 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4571 | # endif |
4b03c463 | 4572 | #endif |
65f19062 GS |
4573 | |
4574 | #ifdef PERL_VENDORLIB_EXP | |
4575 | # if defined(WIN32) | |
e28f3139 | 4576 | /* this picks up vendorarch as well */ |
1c68cbf7 | 4577 | s = PerlEnv_vendorlib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4578 | if (s) |
e6a0bbf8 | 4579 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4580 | # else |
be71fc8f NC |
4581 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4582 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4583 | # endif |
a3635516 | 4584 | #endif |
65f19062 | 4585 | |
b9ba2fad | 4586 | #ifdef ARCHLIB_EXP |
2cace6ac | 4587 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4588 | #endif |
4589 | ||
4590 | #ifndef PRIVLIB_EXP | |
4591 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4592 | #endif | |
4593 | ||
4594 | #if defined(WIN32) | |
1c68cbf7 | 4595 | s = PerlEnv_lib_path(PERL_FS_VERSION, &len); |
2cace6ac NC |
4596 | if (s) |
4597 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4598 | #else |
04c9eecc | 4599 | # ifdef NETWARE |
2cace6ac | 4600 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4601 | # else |
2cace6ac | 4602 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4603 | # endif |
b9ba2fad NC |
4604 | #endif |
4605 | ||
3b777bb4 | 4606 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4607 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4608 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4609 | |INCPUSH_CAN_RELOCATE); |
4610 | #endif | |
2cace6ac | 4611 | |
284167a5 | 4612 | if (!TAINTING_get) { |
2cace6ac | 4613 | #ifndef VMS |
2cace6ac NC |
4614 | /* |
4615 | * It isn't possible to delete an environment variable with | |
4616 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4617 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4618 | */ | |
4619 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4620 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4621 | #else |
32910c7a | 4622 | if (perl5lib) |
2cace6ac | 4623 | #endif |
32910c7a NC |
4624 | incpush_use_sep(perl5lib, 0, |
4625 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4626 | #else /* VMS */ |
4627 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4628 | * "natural" VMS idiom for a Unix path string. We allow each | |
4629 | * element to be a set of |-separated directories for compatibility. | |
4630 | */ | |
4631 | char buf[256]; | |
4632 | int idx = 0; | |
88467a4b | 4633 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
2cace6ac | 4634 | do { |
be71fc8f NC |
4635 | incpush_use_sep(buf, 0, |
4636 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
88467a4b | 4637 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
2cace6ac | 4638 | #endif /* VMS */ |
a26c0e28 | 4639 | } |
2cace6ac NC |
4640 | |
4641 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4642 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4643 | */ |
4644 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4645 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4646 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4647 | #endif |
4648 | ||
2cace6ac NC |
4649 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4650 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4651 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4652 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4653 | #endif |
4654 | ||
4655 | ||
4656 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4657 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4658 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4659 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4660 | #endif |
4661 | ||
4662 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4663 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4664 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4665 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4666 | #endif |
b0e687f7 | 4667 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4668 | |
0e0a64d7 MB |
4669 | if (!TAINTING_get) { |
4670 | #if !defined(PERL_IS_MINIPERL) && defined(DEFAULT_INC_EXCLUDES_DOT) | |
4671 | const char * const unsafe = PerlEnv_getenv("PERL_USE_UNSAFE_INC"); | |
4672 | if (unsafe && strEQ(unsafe, "1")) | |
4673 | #endif | |
4674 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); | |
4675 | } | |
774d564b | 4676 | } |
4677 | ||
739a0b84 | 4678 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4679 | # define PERLLIB_SEP ';' |
4680 | #else | |
483efd0a CB |
4681 | # if defined(__VMS) |
4682 | # define PERLLIB_SEP PL_perllib_sep | |
774d564b | 4683 | # else |
e37778c2 | 4684 | # define PERLLIB_SEP ':' |
774d564b | 4685 | # endif |
4686 | #endif | |
4687 | #ifndef PERLLIB_MANGLE | |
4688 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4689 | #endif |
774d564b | 4690 | |
59d6f6a4 | 4691 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4692 | /* Push a directory onto @INC if it exists. |
4693 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4694 | onto @INC */ | |
4695 | STATIC SV * | |
7ffdaae6 | 4696 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae NC |
4697 | { |
4698 | Stat_t tmpstatbuf; | |
7918f24d NC |
4699 | |
4700 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4701 | ||
848ef955 | 4702 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4703 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4704 | av_push(av, dir); |
7ffdaae6 NC |
4705 | dir = newSVsv(stem); |
4706 | } else { | |
4707 | /* Truncate dir back to stem. */ | |
4708 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4709 | } |
4710 | return dir; | |
4711 | } | |
59d6f6a4 | 4712 | #endif |
ad17a1ae | 4713 | |
c29067d7 CH |
4714 | STATIC SV * |
4715 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4716 | { |
6434436b | 4717 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4718 | SV *libdir; |
774d564b | 4719 | |
c29067d7 | 4720 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4721 | assert(len > 0); |
3a9a9ba7 | 4722 | |
d2898d73 EB |
4723 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4724 | defined to so something (in os2/os2.c), but the code has been | |
4725 | this way, ignoring any possible changed of length, since | |
4726 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4727 | it be. */ | |
4728 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4729 | |
81600524 | 4730 | #ifdef VMS |
db12e2d3 | 4731 | { |
81600524 | 4732 | char *unix; |
81600524 CB |
4733 | |
4734 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4735 | len = strlen(unix); | |
f420cce1 | 4736 | while (len > 1 && unix[len-1] == '/') len--; /* Cosmetic */ |
81600524 CB |
4737 | sv_usepvn(libdir,unix,len); |
4738 | } | |
4739 | else | |
4740 | PerlIO_printf(Perl_error_log, | |
4741 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4742 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4743 | } |
81600524 CB |
4744 | #endif |
4745 | ||
dd374669 AL |
4746 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4747 | parameter. */ | |
4748 | if (canrelocate) { | |
88fe16b2 NC |
4749 | #ifdef PERL_RELOCATABLE_INC |
4750 | /* | |
4751 | * Relocatable include entries are marked with a leading .../ | |
4752 | * | |
4753 | * The algorithm is | |
4754 | * 0: Remove that leading ".../" | |
4755 | * 1: Remove trailing executable name (anything after the last '/') | |
4756 | * from the perl path to give a perl prefix | |
4757 | * Then | |
4758 | * While the @INC element starts "../" and the prefix ends with a real | |
4759 | * directory (ie not . or ..) chop that real directory off the prefix | |
4760 | * and the leading "../" from the @INC element. ie a logical "../" | |
4761 | * cleanup | |
4762 | * Finally concatenate the prefix and the remainder of the @INC element | |
4763 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4764 | * generates /usr/local/lib/perl5 | |
4765 | */ | |
890ce7af | 4766 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4767 | STRLEN libpath_len = SvCUR(libdir); |
4768 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4769 | /* Game on! */ | |
890ce7af | 4770 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4771 | /* Going to use the SV just as a scratch buffer holding a C |
4772 | string: */ | |
4773 | SV *prefix_sv; | |
4774 | char *prefix; | |
4775 | char *lastslash; | |
4776 | ||
4777 | /* $^X is *the* source of taint if tainting is on, hence | |
4778 | SvPOK() won't be true. */ | |
4779 | assert(caret_X); | |
4780 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4781 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4782 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4783 | /* Firstly take off the leading .../ |
4784 | If all else fail we'll do the paths relative to the current | |
4785 | directory. */ | |
4786 | sv_chop(libdir, libpath + 4); | |
4787 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4788 | mortal copies that the mg_get of tainting creates, and | |
4789 | corruption that seems to come via the save stack. | |
4790 | I guess that the save stack isn't correctly set up yet. */ | |
4791 | libpath = SvPVX(libdir); | |
4792 | libpath_len = SvCUR(libdir); | |
4793 | ||
4794 | /* This would work more efficiently with memrchr, but as it's | |
4795 | only a GNU extension we'd need to probe for it and | |
4796 | implement our own. Not hard, but maybe not worth it? */ | |
4797 | ||
4798 | prefix = SvPVX(prefix_sv); | |
4799 | lastslash = strrchr(prefix, '/'); | |
4800 | ||
4801 | /* First time in with the *lastslash = '\0' we just wipe off | |
4802 | the trailing /perl from (say) /usr/foo/bin/perl | |
4803 | */ | |
4804 | if (lastslash) { | |
4805 | SV *tempsv; | |
4806 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
854da30f | 4807 | (libpath_len >= 3 && _memEQs(libpath, "../") |
88fe16b2 NC |
4808 | && (lastslash = strrchr(prefix, '/')))) { |
4809 | if (lastslash[1] == '\0' | |
4810 | || (lastslash[1] == '.' | |
4811 | && (lastslash[2] == '/' /* ends "/." */ | |
4812 | || (lastslash[2] == '/' | |
4813 | && lastslash[3] == '/' /* or "/.." */ | |
4814 | )))) { | |
4815 | /* Prefix ends "/" or "/." or "/..", any of which | |
4816 | are fishy, so don't do any more logical cleanup. | |
4817 | */ | |
4818 | break; | |
4819 | } | |
4820 | /* Remove leading "../" from path */ | |
4821 | libpath += 3; | |
4822 | libpath_len -= 3; | |
4823 | /* Next iteration round the loop removes the last | |
4824 | directory name from prefix by writing a '\0' in | |
4825 | the while clause. */ | |
4826 | } | |
4827 | /* prefix has been terminated with a '\0' to the correct | |
4828 | length. libpath points somewhere into the libdir SV. | |
4829 | We need to join the 2 with '/' and drop the result into | |
4830 | libdir. */ | |
4831 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4832 | SvREFCNT_dec(libdir); | |
4833 | /* And this is the new libdir. */ | |
4834 | libdir = tempsv; | |
284167a5 | 4835 | if (TAINTING_get && |
985213f2 AB |
4836 | (PerlProc_getuid() != PerlProc_geteuid() || |
4837 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4838 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4839 | SvTAINTED_on(libdir); |
4840 | } | |
4841 | } | |
4842 | SvREFCNT_dec(prefix_sv); | |
4843 | } | |
88fe16b2 | 4844 | #endif |
dd374669 | 4845 | } |
c29067d7 | 4846 | return libdir; |
c29067d7 CH |
4847 | } |
4848 | ||
4849 | STATIC void | |
4850 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4851 | { | |
c29067d7 CH |
4852 | #ifndef PERL_IS_MINIPERL |
4853 | const U8 using_sub_dirs | |
4854 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4855 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4856 | const U8 add_versioned_sub_dirs | |
4857 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4858 | const U8 add_archonly_sub_dirs | |
4859 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4860 | #ifdef PERL_INC_VERSION_LIST | |
4861 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4862 | #endif | |
4863 | #endif | |
4864 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4865 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4866 | AV *const inc = GvAVn(PL_incgv); | |
4867 | ||
4868 | PERL_ARGS_ASSERT_INCPUSH; | |
4869 | assert(len > 0); | |
4870 | ||
4871 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4872 | re-indenting diff noise. */ | |
4873 | { | |
5a702b9a | 4874 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4875 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4876 | arranged to unshift #! line -I onto the front of @INC. However, | |
4877 | -I can add version and architecture specific libraries, and they | |
4878 | need to go first. The old code assumed that it was always | |
4879 | pushing. Hence to make it work, need to push the architecture | |
4880 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4881 | the front of @INC. */ | |
4882 | #ifndef PERL_IS_MINIPERL | |
4883 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4884 | |
774d564b | 4885 | /* |
4886 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4887 | * archname-specific sub-directories. | |
4888 | */ | |
ee80e7be | 4889 | if (using_sub_dirs) { |
5a702b9a | 4890 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4891 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4892 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4893 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4894 | const char * const *incver; | |
29d82f8d | 4895 | #endif |
7ffdaae6 | 4896 | |
1e3208d8 | 4897 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4898 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4899 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4900 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4901 | |
9c8a64f0 | 4902 | /* .../version if -d .../version */ |
e51b748d | 4903 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4904 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4905 | } |
9c8a64f0 | 4906 | |
9c8a64f0 | 4907 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4908 | if (addoldvers) { |
9c8a64f0 GS |
4909 | for (incver = incverlist; *incver; incver++) { |
4910 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4911 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4912 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4913 | } |
4914 | } | |
29d82f8d | 4915 | #endif |
c992324b | 4916 | |
1e3208d8 | 4917 | if (add_archonly_sub_dirs) { |
c992324b | 4918 | /* .../archname if -d .../archname */ |
e51b748d | 4919 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4920 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4921 | |
4922 | } | |
10cc20f6 NC |
4923 | |
4924 | assert (SvREFCNT(subdir) == 1); | |
4925 | SvREFCNT_dec(subdir); | |
774d564b | 4926 | } |
59d6f6a4 | 4927 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4928 | /* finally add this lib directory at the end of @INC */ |
4929 | if (unshift) { | |
76895e89 | 4930 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4931 | const Size_t extra = 0; |
76895e89 | 4932 | #else |
b9f2b683 | 4933 | Size_t extra = av_tindex(av) + 1; |
76895e89 | 4934 | #endif |
a26c0e28 NC |
4935 | av_unshift(inc, extra + push_basedir); |
4936 | if (push_basedir) | |
4937 | av_store(inc, extra, libdir); | |
76895e89 | 4938 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4939 | while (extra--) { |
4940 | /* av owns a reference, av_store() expects to be donated a | |
4941 | reference, and av expects to be sane when it's cleared. | |
4942 | If I wanted to be naughty and wrong, I could peek inside the | |
4943 | implementation of av_clear(), realise that it uses | |
4944 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4945 | and so directly steal from it (with a memcpy() to inc, and | |
4946 | then memset() to NULL them out. But people copy code from the | |
4947 | core expecting it to be best practise, so let's use the API. | |
4948 | Although studious readers will note that I'm not checking any | |
4949 | return codes. */ | |
4950 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4951 | } | |
4952 | SvREFCNT_dec(av); | |
59d6f6a4 | 4953 | #endif |
20189146 | 4954 | } |
a26c0e28 | 4955 | else if (push_basedir) { |
3a9a9ba7 | 4956 | av_push(inc, libdir); |
20189146 | 4957 | } |
a26c0e28 NC |
4958 | |
4959 | if (!push_basedir) { | |
4960 | assert (SvREFCNT(libdir) == 1); | |
4961 | SvREFCNT_dec(libdir); | |
4962 | } | |
774d564b | 4963 | } |
34de22dd | 4964 | } |
93a17b20 | 4965 | |
55b4bc1c | 4966 | STATIC void |
50d61629 | 4967 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4968 | { |
50d61629 NC |
4969 | const char *s; |
4970 | const char *end; | |
55b4bc1c NC |
4971 | /* This logic has been broken out from S_incpush(). It may be possible to |
4972 | simplify it. */ | |
4973 | ||
4705144d NC |
4974 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4975 | ||
f31c6eed JD |
4976 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4977 | * argument to incpush_use_sep. This allows creation of relocatable | |
4978 | * Perl distributions that patch the binary at install time. Those | |
4979 | * distributions will have to provide their own relocation tools; this | |
4980 | * is not a feature otherwise supported by core Perl. | |
4981 | */ | |
4982 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4983 | if (!len) |
f31c6eed | 4984 | #endif |
50d61629 NC |
4985 | len = strlen(p); |
4986 | ||
4987 | end = p + len; | |
4988 | ||
55b4bc1c | 4989 | /* Break at all separators */ |
e42f52dd | 4990 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4991 | if (s == p) { |
4992 | /* skip any consecutive separators */ | |
55b4bc1c | 4993 | |
55b4bc1c | 4994 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4995 | /* But you'll need to write tests */ |
55b4bc1c | 4996 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4997 | } else { |
55b4bc1c | 4998 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4999 | } |
50d61629 | 5000 | p = s + 1; |
55b4bc1c | 5001 | } |
50d61629 NC |
5002 | if (p != end) |
5003 | incpush(p, (STRLEN)(end - p), flags); | |
5004 | ||
55b4bc1c | 5005 | } |
199100c8 | 5006 | |
93a17b20 | 5007 | void |
864dbfa3 | 5008 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 5009 | { |
971a9dd3 | 5010 | SV *atsv; |
b084bc87 | 5011 | VOL const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 5012 | CV *cv; |
22921e25 | 5013 | STRLEN len; |
6224f72b | 5014 | int ret; |
db36c5a1 | 5015 | dJMPENV; |
93a17b20 | 5016 | |
7918f24d NC |
5017 | PERL_ARGS_ASSERT_CALL_LIST; |
5018 | ||
b9f2b683 | 5019 | while (av_tindex(paramList) >= 0) { |
ea726b52 | 5020 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
5021 | if (PL_savebegin) { |
5022 | if (paramList == PL_beginav) { | |
059a8bb7 | 5023 | /* save PL_beginav for compiler */ |
ad64d0ec | 5024 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
5025 | } |
5026 | else if (paramList == PL_checkav) { | |
5027 | /* save PL_checkav for compiler */ | |
ad64d0ec | 5028 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 5029 | } |
3c10abe3 AG |
5030 | else if (paramList == PL_unitcheckav) { |
5031 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 5032 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 5033 | } |
059a8bb7 | 5034 | } else { |
b5bbe64a | 5035 | SAVEFREESV(cv); |
059a8bb7 | 5036 | } |
14dd3ad8 | 5037 | JMPENV_PUSH(ret); |
6224f72b | 5038 | switch (ret) { |
312caa8e | 5039 | case 0: |
d6f07c05 | 5040 | CALL_LIST_BODY(cv); |
971a9dd3 | 5041 | atsv = ERRSV; |
10516c54 | 5042 | (void)SvPV_const(atsv, len); |
312caa8e CS |
5043 | if (len) { |
5044 | PL_curcop = &PL_compiling; | |
57843af0 | 5045 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5046 | if (paramList == PL_beginav) |
396482e1 | 5047 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 5048 | else |
4f25aa18 GS |
5049 | Perl_sv_catpvf(aTHX_ atsv, |
5050 | "%s failed--call queue aborted", | |
7d30b5c4 | 5051 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5052 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5053 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5054 | : "END"); |
312caa8e CS |
5055 | while (PL_scopestack_ix > oldscope) |
5056 | LEAVE; | |
14dd3ad8 | 5057 | JMPENV_POP; |
147e3846 | 5058 | Perl_croak(aTHX_ "%" SVf, SVfARG(atsv)); |
a0d0e21e | 5059 | } |
85e6fe83 | 5060 | break; |
6224f72b | 5061 | case 1: |
f86702cc | 5062 | STATUS_ALL_FAILURE; |
924ba076 | 5063 | /* FALLTHROUGH */ |
6224f72b | 5064 | case 2: |
85e6fe83 | 5065 | /* my_exit() was called */ |
3280af22 | 5066 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5067 | LEAVE; |
84902520 | 5068 | FREETMPS; |
03d9f026 | 5069 | SET_CURSTASH(PL_defstash); |
3280af22 | 5070 | PL_curcop = &PL_compiling; |
57843af0 | 5071 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5072 | JMPENV_POP; |
f86702cc | 5073 | my_exit_jump(); |
e5964223 | 5074 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 5075 | case 3: |
312caa8e CS |
5076 | if (PL_restartop) { |
5077 | PL_curcop = &PL_compiling; | |
57843af0 | 5078 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5079 | JMPENV_JUMP(3); |
85e6fe83 | 5080 | } |
5637ef5b | 5081 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
5082 | FREETMPS; |
5083 | break; | |
8990e307 | 5084 | } |
14dd3ad8 | 5085 | JMPENV_POP; |
93a17b20 | 5086 | } |
93a17b20 | 5087 | } |
93a17b20 | 5088 | |
f86702cc | 5089 | void |
864dbfa3 | 5090 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5091 | { |
6136213b JGM |
5092 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5093 | abort(); | |
5094 | } | |
5095 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5096 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5097 | Perl_warn(aTHX_ "Unexpected exit %lu", (unsigned long)status); |
6136213b JGM |
5098 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5099 | } | |
f86702cc | 5100 | switch (status) { |
5101 | case 0: | |
5102 | STATUS_ALL_SUCCESS; | |
5103 | break; | |
5104 | case 1: | |
5105 | STATUS_ALL_FAILURE; | |
5106 | break; | |
5107 | default: | |
6ac6a52b | 5108 | STATUS_EXIT_SET(status); |
f86702cc | 5109 | break; |
5110 | } | |
5111 | my_exit_jump(); | |
5112 | } | |
5113 | ||
5114 | void | |
864dbfa3 | 5115 | Perl_my_failure_exit(pTHX) |
f86702cc | 5116 | { |
5117 | #ifdef VMS | |
fb38d079 JM |
5118 | /* We have been called to fall on our sword. The desired exit code |
5119 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5120 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5121 | * that code is set. | |
fb38d079 JM |
5122 | * |
5123 | * If an error code has not been set, then force the issue. | |
5124 | */ | |
0968cdad JM |
5125 | if (MY_POSIX_EXIT) { |
5126 | ||
e08e1e1d JM |
5127 | /* According to the die_exit.t tests, if errno is non-zero */ |
5128 | /* It should be used for the error status. */ | |
0968cdad | 5129 | |
e08e1e1d JM |
5130 | if (errno == EVMSERR) { |
5131 | STATUS_NATIVE = vaxc$errno; | |
5132 | } else { | |
0968cdad | 5133 | |
e08e1e1d JM |
5134 | /* According to die_exit.t tests, if the child_exit code is */ |
5135 | /* also zero, then we need to exit with a code of 255 */ | |
5136 | if ((errno != 0) && (errno < 256)) | |
5137 | STATUS_UNIX_EXIT_SET(errno); | |
5138 | else if (STATUS_UNIX < 255) { | |
0968cdad | 5139 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
5140 | } |
5141 | ||
0968cdad | 5142 | } |
e08e1e1d JM |
5143 | |
5144 | /* The exit code could have been set by $? or vmsish which | |
5145 | * means that it may not have fatal set. So convert | |
5146 | * success/warning codes to fatal with out changing | |
5147 | * the POSIX status code. The severity makes VMS native | |
5148 | * status handling work, while UNIX mode programs use the | |
5149 | * the POSIX exit codes. | |
5150 | */ | |
5151 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
5152 | STATUS_NATIVE &= STS$M_COND_ID; | |
5153 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
5154 | } | |
0968cdad JM |
5155 | } |
5156 | else { | |
5157 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5158 | if (vaxc$errno & 1) { | |
5159 | ||
5160 | /* So force success status to failure */ | |
5161 | if (STATUS_NATIVE & 1) | |
5162 | STATUS_ALL_FAILURE; | |
5163 | } | |
5164 | else { | |
5165 | if (!vaxc$errno) { | |
5166 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5167 | STATUS_ALL_FAILURE; | |
5168 | } | |
5169 | else { | |
5170 | int severity; | |
5171 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5172 | ||
5173 | /* Encode the severity code */ | |
5174 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5175 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5176 | ||
5177 | /* Perl expects this to be a fatal error */ | |
5178 | if (severity != STS$K_SEVERE) | |
5179 | STATUS_ALL_FAILURE; | |
5180 | } | |
5181 | } | |
5182 | } | |
fb38d079 | 5183 | |
f86702cc | 5184 | #else |
9b599b2a | 5185 | int exitstatus; |
f86702cc | 5186 | if (errno & 255) |
e5218da5 | 5187 | STATUS_UNIX_SET(errno); |
9b599b2a | 5188 | else { |
e5218da5 | 5189 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5190 | if (exitstatus & 255) |
e5218da5 | 5191 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5192 | else |
e5218da5 | 5193 | STATUS_UNIX_SET(255); |
9b599b2a | 5194 | } |
f86702cc | 5195 | #endif |
6136213b JGM |
5196 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5197 | abort(); | |
5198 | } | |
5199 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5200 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5201 | Perl_warn(aTHX_ "Unexpected exit failure %ld", (long)PL_statusvalue); |
6136213b JGM |
5202 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5203 | } | |
f86702cc | 5204 | my_exit_jump(); |
93a17b20 LW |
5205 | } |
5206 | ||
76e3520e | 5207 | STATIC void |
cea2e8a9 | 5208 | S_my_exit_jump(pTHX) |
f86702cc | 5209 | { |
3280af22 NIS |
5210 | if (PL_e_script) { |
5211 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5212 | PL_e_script = NULL; |
f86702cc | 5213 | } |
5214 | ||
3280af22 | 5215 | POPSTACK_TO(PL_mainstack); |
3706fcea DM |
5216 | if (cxstack_ix >= 0) { |
5217 | dounwind(-1); | |
ed8ff0f3 | 5218 | cx_popblock(cxstack); |
3706fcea | 5219 | } |
f97a0ef2 | 5220 | LEAVE_SCOPE(0); |
ff0cee69 | 5221 | |
6224f72b | 5222 | JMPENV_JUMP(2); |
f86702cc | 5223 | } |
873ef191 | 5224 | |
0cb96387 | 5225 | static I32 |
acfe0abc | 5226 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5227 | { |
9d4ba2ae AL |
5228 | const char * const p = SvPVX_const(PL_e_script); |
5229 | const char *nl = strchr(p, '\n'); | |
5230 | ||
5231 | PERL_UNUSED_ARG(idx); | |
5232 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5233 | |
3280af22 | 5234 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5235 | if (nl-p == 0) { |
0cb96387 | 5236 | filter_del(read_e_script); |
873ef191 | 5237 | return 0; |
7dfe3f66 | 5238 | } |
873ef191 | 5239 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5240 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5241 | return 1; |
5242 | } | |
66610fdd | 5243 | |
db6e00bd DD |
5244 | /* removes boilerplate code at the end of each boot_Module xsub */ |
5245 | void | |
b01a1eea | 5246 | Perl_xs_boot_epilog(pTHX_ const I32 ax) |
db6e00bd DD |
5247 | { |
5248 | if (PL_unitcheckav) | |
5249 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
5250 | XSRETURN_YES; | |
5251 | } | |
5252 | ||
66610fdd | 5253 | /* |
14d04a33 | 5254 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5255 | */ |