Commit | Line | Data |
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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 |
7a2bbcbf | 6 | * 2013, 2014, 2015, 2016 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 |
7dc86639 YO |
311 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
312 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
313 | * This MUST be done before any hash stores or fetches take place. | |
314 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
315 | * yourself, it is your responsibility to provide a good random seed! | |
316 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
317 | * | |
318 | * XXX: fix this comment */ | |
319 | if (PL_hash_seed_set == FALSE) { | |
320 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
321 | PL_hash_seed_set= TRUE; | |
322 | } | |
323 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
324 | |
325 | /* Note that strtab is a rather special HV. Assumptions are made | |
326 | about not iterating on it, and not adding tie magic to it. | |
327 | It is properly deallocated in perl_destruct() */ | |
328 | PL_strtab = newHV(); | |
329 | ||
3d47000e AB |
330 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
331 | hv_ksplit(PL_strtab, 512); | |
332 | ||
a38ab475 RZ |
333 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
334 | ||
2f42fcb0 JH |
335 | #ifndef PERL_MICRO |
336 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 337 | PL_origenviron = environ; |
2f42fcb0 | 338 | # endif |
0631ea03 AB |
339 | #endif |
340 | ||
5311654c | 341 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 342 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
343 | * The HZ if not originally defined has been by now |
344 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 345 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
346 | PL_clocktick = sysconf(_SC_CLK_TCK); |
347 | if (PL_clocktick <= 0) | |
348 | #endif | |
349 | PL_clocktick = HZ; | |
350 | ||
081fc587 AB |
351 | PL_stashcache = newHV(); |
352 | ||
e8e3635e | 353 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 354 | |
27da23d5 JH |
355 | #ifdef HAS_MMAP |
356 | if (!PL_mmap_page_size) { | |
357 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
358 | { | |
359 | SETERRNO(0, SS_NORMAL); | |
360 | # ifdef _SC_PAGESIZE | |
361 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
362 | # else | |
363 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
364 | # endif | |
365 | if ((long) PL_mmap_page_size < 0) { | |
366 | if (errno) { | |
44f8325f | 367 | SV * const error = ERRSV; |
d4c19fe8 | 368 | SvUPGRADE(error, SVt_PV); |
0510663f | 369 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
370 | } |
371 | else | |
372 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
373 | } | |
374 | } | |
375 | #else | |
376 | # ifdef HAS_GETPAGESIZE | |
377 | PL_mmap_page_size = getpagesize(); | |
378 | # else | |
379 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
380 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
381 | # endif | |
382 | # endif | |
383 | #endif | |
384 | if (PL_mmap_page_size <= 0) | |
385 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
386 | (IV) PL_mmap_page_size); | |
387 | } | |
388 | #endif /* HAS_MMAP */ | |
389 | ||
390 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
391 | PL_timesbase.tms_utime = 0; | |
392 | PL_timesbase.tms_stime = 0; | |
393 | PL_timesbase.tms_cutime = 0; | |
394 | PL_timesbase.tms_cstime = 0; | |
395 | #endif | |
396 | ||
7d113631 NC |
397 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
398 | ||
a3e6e81e | 399 | PL_registered_mros = newHV(); |
9e169432 NC |
400 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
401 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 402 | |
7b8dd5f4 KW |
403 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
404 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
405 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
406 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
407 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
408 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
409 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
410 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
411 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
412 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
413 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
414 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
415 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
416 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
417 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
418 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 419 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
420 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
421 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 422 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
6ebbc862 KW |
423 | #ifdef USE_THREAD_SAFE_LOCALE |
424 | PL_C_locale_obj = newlocale(LC_ALL_MASK, "C", NULL); | |
425 | #endif | |
7b8dd5f4 | 426 | |
8990e307 | 427 | ENTER; |
79072805 LW |
428 | } |
429 | ||
954c1994 | 430 | /* |
62375a60 NIS |
431 | =for apidoc nothreadhook |
432 | ||
433 | Stub that provides thread hook for perl_destruct when there are | |
434 | no threads. | |
435 | ||
436 | =cut | |
437 | */ | |
438 | ||
439 | int | |
4e9e3734 | 440 | Perl_nothreadhook(pTHX) |
62375a60 | 441 | { |
96a5add6 | 442 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
443 | return 0; |
444 | } | |
445 | ||
41e4abd8 NC |
446 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
447 | void | |
448 | Perl_dump_sv_child(pTHX_ SV *sv) | |
449 | { | |
450 | ssize_t got; | |
bf357333 NC |
451 | const int sock = PL_dumper_fd; |
452 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
453 | union control_un control; |
454 | struct msghdr msg; | |
808ad2d0 | 455 | struct iovec vec[2]; |
bf357333 | 456 | struct cmsghdr *cmptr; |
808ad2d0 NC |
457 | int returned_errno; |
458 | unsigned char buffer[256]; | |
41e4abd8 | 459 | |
7918f24d NC |
460 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
461 | ||
bf357333 | 462 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
463 | return; |
464 | ||
465 | PerlIO_flush(Perl_debug_log); | |
466 | ||
bf357333 NC |
467 | /* All these shenanigans are to pass a file descriptor over to our child for |
468 | it to dump out to. We can't let it hold open the file descriptor when it | |
469 | forks, as the file descriptor it will dump to can turn out to be one end | |
470 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 471 | be open, the wait would be forever.) */ |
bf357333 NC |
472 | |
473 | msg.msg_control = control.control; | |
474 | msg.msg_controllen = sizeof(control.control); | |
475 | /* We're a connected socket so we don't need a destination */ | |
476 | msg.msg_name = NULL; | |
477 | msg.msg_namelen = 0; | |
478 | msg.msg_iov = vec; | |
808ad2d0 | 479 | msg.msg_iovlen = 1; |
bf357333 NC |
480 | |
481 | cmptr = CMSG_FIRSTHDR(&msg); | |
482 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
483 | cmptr->cmsg_level = SOL_SOCKET; | |
484 | cmptr->cmsg_type = SCM_RIGHTS; | |
485 | *((int *)CMSG_DATA(cmptr)) = 1; | |
486 | ||
487 | vec[0].iov_base = (void*)&sv; | |
488 | vec[0].iov_len = sizeof(sv); | |
489 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
490 | |
491 | if(got < 0) { | |
bf357333 | 492 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
493 | abort(); |
494 | } | |
bf357333 NC |
495 | if(got < sizeof(sv)) { |
496 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
497 | abort(); |
498 | } | |
499 | ||
808ad2d0 NC |
500 | /* Return protocol is |
501 | int: errno value | |
502 | unsigned char: length of location string (0 for empty) | |
503 | unsigned char*: string (not terminated) | |
504 | */ | |
505 | vec[0].iov_base = (void*)&returned_errno; | |
506 | vec[0].iov_len = sizeof(returned_errno); | |
507 | vec[1].iov_base = buffer; | |
508 | vec[1].iov_len = 1; | |
509 | ||
510 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
511 | |
512 | if(got < 0) { | |
513 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 514 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
515 | abort(); |
516 | } | |
808ad2d0 | 517 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 518 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 519 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
520 | abort(); |
521 | } | |
522 | ||
808ad2d0 NC |
523 | if (*buffer) { |
524 | got = read(sock, buffer + 1, *buffer); | |
525 | if(got < 0) { | |
526 | perror("Debug leaking scalars parent read 2 failed"); | |
527 | PerlIO_flush(PerlIO_stderr()); | |
528 | abort(); | |
529 | } | |
530 | ||
531 | if(got < *buffer) { | |
532 | perror("Debug leaking scalars parent short read 2"); | |
533 | PerlIO_flush(PerlIO_stderr()); | |
534 | abort(); | |
535 | } | |
536 | } | |
537 | ||
538 | if (returned_errno || *buffer) { | |
539 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
540 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 541 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
542 | } |
543 | } | |
544 | #endif | |
545 | ||
62375a60 | 546 | /* |
954c1994 GS |
547 | =for apidoc perl_destruct |
548 | ||
549 | Shuts down a Perl interpreter. See L<perlembed>. | |
550 | ||
551 | =cut | |
552 | */ | |
553 | ||
31d77e54 | 554 | int |
0cb96387 | 555 | perl_destruct(pTHXx) |
79072805 | 556 | { |
27da23d5 | 557 | dVAR; |
be2ea8ed | 558 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 559 | HV *hv; |
2aa47728 | 560 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
561 | pid_t child; |
562 | #endif | |
9c0b6888 | 563 | int i; |
8990e307 | 564 | |
7918f24d NC |
565 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
566 | #ifndef MULTIPLICITY | |
ed6c66dd | 567 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 568 | #endif |
9d4ba2ae | 569 | |
3d22c4f0 GG |
570 | assert(PL_scopestack_ix == 1); |
571 | ||
7766f137 GS |
572 | /* wait for all pseudo-forked children to finish */ |
573 | PERL_WAIT_FOR_CHILDREN; | |
574 | ||
3280af22 | 575 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 576 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 577 | { |
9d4ba2ae AL |
578 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
579 | if (s) { | |
96e440d2 JH |
580 | int i; |
581 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
582 | i = -1; | |
583 | } else { | |
22ff3130 HS |
584 | UV uv; |
585 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
586 | i = (int)uv; | |
587 | else | |
588 | i = 0; | |
96e440d2 | 589 | } |
36e77d41 DD |
590 | #ifdef DEBUGGING |
591 | if (destruct_level < i) destruct_level = i; | |
592 | #endif | |
593 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
594 | /* RT #114496, for perl_free */ |
595 | PL_perl_destruct_level = i; | |
36e77d41 | 596 | #endif |
5f05dabc | 597 | } |
4633a7c4 LW |
598 | } |
599 | #endif | |
600 | ||
27da23d5 | 601 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
602 | dJMPENV; |
603 | int x = 0; | |
604 | ||
605 | JMPENV_PUSH(x); | |
1b6737cc | 606 | PERL_UNUSED_VAR(x); |
9ebf26ad | 607 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 608 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 609 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 610 | } |
f3faeb53 | 611 | JMPENV_POP; |
26f423df | 612 | } |
f3faeb53 | 613 | LEAVE; |
a0d0e21e | 614 | FREETMPS; |
3d22c4f0 | 615 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 616 | |
e00b64d4 | 617 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
618 | /* flush stdout separately, since we can identify it */ |
619 | #ifdef USE_PERLIO | |
620 | { | |
621 | PerlIO *stdo = PerlIO_stdout(); | |
622 | if (*stdo && PerlIO_flush(stdo)) { | |
623 | PerlIO_restore_errno(stdo); | |
675c73ca MB |
624 | if (errno) |
625 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
626 | Strerror(errno)); | |
8abddda3 TC |
627 | if (!STATUS_UNIX) |
628 | STATUS_ALL_FAILURE; | |
629 | } | |
630 | } | |
631 | #endif | |
f13a2bc0 | 632 | my_fflush_all(); |
e00b64d4 | 633 | |
75d476e2 | 634 | #ifdef PERL_TRACE_OPS |
e71f25b3 JC |
635 | /* dump OP-counts if $ENV{PERL_TRACE_OPS} > 0 */ |
636 | { | |
637 | const char * const ptoenv = PerlEnv_getenv("PERL_TRACE_OPS"); | |
638 | UV uv; | |
639 | ||
640 | if (!ptoenv || !Perl_grok_atoUV(ptoenv, &uv, NULL) | |
641 | || !(uv > 0)) | |
642 | goto no_trace_out; | |
643 | } | |
75d476e2 S |
644 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); |
645 | for (i = 0; i <= OP_max; ++i) { | |
e71f25b3 JC |
646 | if (PL_op_exec_cnt[i]) |
647 | PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); | |
75d476e2 S |
648 | } |
649 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
650 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
651 | PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); | |
652 | PerlIO_printf(Perl_debug_log, "\n"); | |
e71f25b3 | 653 | no_trace_out: |
75d476e2 S |
654 | #endif |
655 | ||
656 | ||
16c91539 | 657 | if (PL_threadhook(aTHX)) { |
62375a60 | 658 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 659 | PL_veto_cleanup = TRUE; |
37038d91 | 660 | return STATUS_EXIT; |
62375a60 NIS |
661 | } |
662 | ||
2aa47728 NC |
663 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
664 | if (destruct_level != 0) { | |
665 | /* Fork here to create a child. Our child's job is to preserve the | |
666 | state of scalars prior to destruction, so that we can instruct it | |
667 | to dump any scalars that we later find have leaked. | |
668 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
669 | fail gracefully */ | |
670 | int fd[2]; | |
671 | ||
672 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
673 | perror("Debug leaking scalars socketpair failed"); | |
674 | abort(); | |
675 | } | |
676 | ||
677 | child = fork(); | |
678 | if(child == -1) { | |
679 | perror("Debug leaking scalars fork failed"); | |
680 | abort(); | |
681 | } | |
682 | if (!child) { | |
683 | /* We are the child */ | |
3125a5a4 NC |
684 | const int sock = fd[1]; |
685 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
686 | int f; | |
808ad2d0 NC |
687 | const char *where; |
688 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 689 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 690 | |
2aa47728 | 691 | close(fd[0]); |
2aa47728 | 692 | |
3125a5a4 NC |
693 | /* We need to close all other file descriptors otherwise we end up |
694 | with interesting hangs, where the parent closes its end of a | |
695 | pipe, and sits waiting for (another) child to terminate. Only | |
696 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
697 | we also have the far end of the pipe open. We even need to |
698 | close the debugging fd, because sometimes it happens to be one | |
699 | end of a pipe, and a process is waiting on the other end for | |
700 | EOF. Normally it would be closed at some point earlier in | |
701 | destruction, but if we happen to cause the pipe to remain open, | |
702 | EOF never occurs, and we get an infinite hang. Hence all the | |
703 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
704 | |
705 | f = sysconf(_SC_OPEN_MAX); | |
706 | if(f < 0) { | |
808ad2d0 NC |
707 | where = "sysconf failed"; |
708 | goto abort; | |
3125a5a4 NC |
709 | } |
710 | while (f--) { | |
711 | if (f == sock) | |
712 | continue; | |
3125a5a4 NC |
713 | close(f); |
714 | } | |
715 | ||
2aa47728 NC |
716 | while (1) { |
717 | SV *target; | |
bf357333 NC |
718 | union control_un control; |
719 | struct msghdr msg; | |
720 | struct iovec vec[1]; | |
721 | struct cmsghdr *cmptr; | |
722 | ssize_t got; | |
723 | int got_fd; | |
724 | ||
725 | msg.msg_control = control.control; | |
726 | msg.msg_controllen = sizeof(control.control); | |
727 | /* We're a connected socket so we don't need a source */ | |
728 | msg.msg_name = NULL; | |
729 | msg.msg_namelen = 0; | |
730 | msg.msg_iov = vec; | |
c3caa5c3 | 731 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
732 | |
733 | vec[0].iov_base = (void*)⌖ | |
734 | vec[0].iov_len = sizeof(target); | |
735 | ||
736 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
737 | |
738 | if(got == 0) | |
739 | break; | |
740 | if(got < 0) { | |
808ad2d0 NC |
741 | where = "recv failed"; |
742 | goto abort; | |
2aa47728 NC |
743 | } |
744 | if(got < sizeof(target)) { | |
808ad2d0 NC |
745 | where = "short recv"; |
746 | goto abort; | |
2aa47728 | 747 | } |
bf357333 | 748 | |
808ad2d0 NC |
749 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
750 | where = "no cmsg"; | |
751 | goto abort; | |
752 | } | |
753 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
754 | where = "wrong cmsg_len"; | |
755 | goto abort; | |
756 | } | |
757 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
758 | where = "wrong cmsg_level"; | |
759 | goto abort; | |
760 | } | |
761 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
762 | where = "wrong cmsg_type"; | |
763 | goto abort; | |
764 | } | |
bf357333 NC |
765 | |
766 | got_fd = *(int*)CMSG_DATA(cmptr); | |
767 | /* For our last little bit of trickery, put the file descriptor | |
768 | back into Perl_debug_log, as if we never actually closed it | |
769 | */ | |
808ad2d0 NC |
770 | if(got_fd != debug_fd) { |
771 | if (dup2(got_fd, debug_fd) == -1) { | |
772 | where = "dup2"; | |
773 | goto abort; | |
774 | } | |
775 | } | |
2aa47728 | 776 | sv_dump(target); |
bf357333 | 777 | |
2aa47728 NC |
778 | PerlIO_flush(Perl_debug_log); |
779 | ||
808ad2d0 | 780 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
781 | |
782 | if(got < 0) { | |
808ad2d0 NC |
783 | where = "write failed"; |
784 | goto abort; | |
2aa47728 | 785 | } |
808ad2d0 NC |
786 | if(got < sizeof(success)) { |
787 | where = "short write"; | |
788 | goto abort; | |
2aa47728 NC |
789 | } |
790 | } | |
791 | _exit(0); | |
808ad2d0 NC |
792 | abort: |
793 | { | |
794 | int send_errno = errno; | |
795 | unsigned char length = (unsigned char) strlen(where); | |
796 | struct iovec failure[3] = { | |
797 | {(void*)&send_errno, sizeof(send_errno)}, | |
798 | {&length, 1}, | |
799 | {(void*)where, length} | |
800 | }; | |
801 | int got = writev(sock, failure, 3); | |
802 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
803 | in the parent if we try to read from the socketpair after the | |
804 | child has exited, even if there was data to read. | |
805 | So sleep a bit to give the parent a fighting chance of | |
806 | reading the data. */ | |
807 | sleep(2); | |
808 | _exit((got == -1) ? errno : 0); | |
809 | } | |
bf357333 | 810 | /* End of child. */ |
2aa47728 | 811 | } |
41e4abd8 | 812 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
813 | close(fd[1]); |
814 | } | |
815 | #endif | |
816 | ||
ff0cee69 | 817 | /* We must account for everything. */ |
818 | ||
819 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
820 | /* Set PL_curcop now, because destroying ops can cause new SVs |
821 | to be generated in Perl_pad_swipe, and when running with | |
822 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
823 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 824 | PL_curcop = &PL_compiling; |
3280af22 | 825 | if (PL_main_root) { |
4e380990 DM |
826 | /* ensure comppad/curpad to refer to main's pad */ |
827 | if (CvPADLIST(PL_main_cv)) { | |
828 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 829 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 830 | } |
3280af22 | 831 | op_free(PL_main_root); |
5f66b61c | 832 | PL_main_root = NULL; |
a0d0e21e | 833 | } |
5f66b61c | 834 | PL_main_start = NULL; |
aac9d523 DM |
835 | /* note that PL_main_cv isn't usually actually freed at this point, |
836 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
837 | * get freed once all the subs are freed in sv_clean_all(), for | |
838 | * destruct_level > 0 */ | |
3280af22 | 839 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 840 | PL_main_cv = NULL; |
ca7b837b | 841 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 842 | |
13621cfb NIS |
843 | /* Tell PerlIO we are about to tear things apart in case |
844 | we have layers which are using resources that should | |
845 | be cleaned up now. | |
846 | */ | |
847 | ||
848 | PerlIO_destruct(aTHX); | |
849 | ||
ddf23d4a S |
850 | /* |
851 | * Try to destruct global references. We do this first so that the | |
852 | * destructors and destructees still exist. Some sv's might remain. | |
853 | * Non-referenced objects are on their own. | |
854 | */ | |
855 | sv_clean_objs(); | |
8990e307 | 856 | |
5cd24f17 | 857 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 858 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 859 | PL_warnhook = NULL; |
3280af22 | 860 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 861 | PL_diehook = NULL; |
5cd24f17 | 862 | |
4b556e6c | 863 | /* call exit list functions */ |
3280af22 | 864 | while (PL_exitlistlen-- > 0) |
acfe0abc | 865 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 866 | |
3280af22 | 867 | Safefree(PL_exitlist); |
4b556e6c | 868 | |
1c4916e5 CB |
869 | PL_exitlist = NULL; |
870 | PL_exitlistlen = 0; | |
871 | ||
a3e6e81e NC |
872 | SvREFCNT_dec(PL_registered_mros); |
873 | ||
551a8b83 | 874 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
875 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
876 | * so we certainly shouldn't free it here | |
877 | */ | |
2f42fcb0 | 878 | #ifndef PERL_MICRO |
4b647fb0 | 879 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 880 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
881 | #ifdef USE_ITHREADS |
882 | /* only main thread can free environ[0] contents */ | |
883 | && PL_curinterp == aTHX | |
884 | #endif | |
885 | ) | |
886 | { | |
551a8b83 JH |
887 | I32 i; |
888 | ||
889 | for (i = 0; environ[i]; i++) | |
4b420006 | 890 | safesysfree(environ[i]); |
0631ea03 | 891 | |
4b420006 JH |
892 | /* Must use safesysfree() when working with environ. */ |
893 | safesysfree(environ); | |
551a8b83 JH |
894 | |
895 | environ = PL_origenviron; | |
896 | } | |
897 | #endif | |
2f42fcb0 | 898 | #endif /* !PERL_MICRO */ |
551a8b83 | 899 | |
30985c42 JH |
900 | if (destruct_level == 0) { |
901 | ||
902 | DEBUG_P(debprofdump()); | |
903 | ||
904 | #if defined(PERLIO_LAYERS) | |
905 | /* No more IO - including error messages ! */ | |
906 | PerlIO_cleanup(aTHX); | |
907 | #endif | |
908 | ||
909 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
910 | |
911 | /* The exit() function will do everything that needs doing. */ | |
912 | return STATUS_EXIT; | |
913 | } | |
914 | ||
9fa9f06b KW |
915 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
916 | ||
5f8cb046 DM |
917 | #ifdef USE_ITHREADS |
918 | /* the syntax tree is shared between clones | |
919 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
920 | * REGEXPs in the parent interpreter | |
921 | * we need to manually ReREFCNT_dec for the clones | |
922 | */ | |
0547a729 DM |
923 | { |
924 | I32 i = AvFILLp(PL_regex_padav); | |
925 | SV **ary = AvARRAY(PL_regex_padav); | |
926 | ||
927 | for (; i; i--) { | |
928 | SvREFCNT_dec(ary[i]); | |
929 | ary[i] = &PL_sv_undef; | |
930 | } | |
931 | } | |
5f8cb046 DM |
932 | #endif |
933 | ||
0547a729 | 934 | |
ad64d0ec | 935 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
936 | PL_stashcache = NULL; |
937 | ||
5f05dabc | 938 | /* loosen bonds of global variables */ |
939 | ||
2f9285f8 DM |
940 | /* XXX can PL_parser still be non-null here? */ |
941 | if(PL_parser && PL_parser->rsfp) { | |
942 | (void)PerlIO_close(PL_parser->rsfp); | |
943 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 944 | } |
945 | ||
84386e14 RGS |
946 | if (PL_minus_F) { |
947 | Safefree(PL_splitstr); | |
948 | PL_splitstr = NULL; | |
949 | } | |
950 | ||
8ebc5c01 | 951 | /* switches */ |
3280af22 NIS |
952 | PL_minus_n = FALSE; |
953 | PL_minus_p = FALSE; | |
954 | PL_minus_l = FALSE; | |
955 | PL_minus_a = FALSE; | |
956 | PL_minus_F = FALSE; | |
957 | PL_doswitches = FALSE; | |
599cee73 | 958 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 959 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 960 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 961 | #endif |
3280af22 NIS |
962 | PL_unsafe = FALSE; |
963 | ||
964 | Safefree(PL_inplace); | |
bd61b366 | 965 | PL_inplace = NULL; |
a7cb1f99 | 966 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
967 | |
968 | if (PL_e_script) { | |
969 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 970 | PL_e_script = NULL; |
8ebc5c01 | 971 | } |
972 | ||
bf9cdc68 RG |
973 | PL_perldb = 0; |
974 | ||
8ebc5c01 | 975 | /* magical thingies */ |
976 | ||
e23d9e2f CS |
977 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
978 | PL_ofsgv = NULL; | |
5f05dabc | 979 | |
7889fe52 | 980 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 981 | PL_ors_sv = NULL; |
8ebc5c01 | 982 | |
3280af22 | 983 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 984 | PL_rs = NULL; |
dc92893f | 985 | |
d33b2eba | 986 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 987 | PL_osname = NULL; |
5f05dabc | 988 | |
3280af22 | 989 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
990 | PL_statname = NULL; |
991 | PL_statgv = NULL; | |
5f05dabc | 992 | |
8ebc5c01 | 993 | /* defgv, aka *_ should be taken care of elsewhere */ |
994 | ||
7d5ea4e7 GS |
995 | /* float buffer */ |
996 | Safefree(PL_efloatbuf); | |
bd61b366 | 997 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
998 | PL_efloatsize = 0; |
999 | ||
8ebc5c01 | 1000 | /* startup and shutdown function lists */ |
3280af22 | 1001 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 1002 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 1003 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 1004 | SvREFCNT_dec(PL_checkav); |
ece599bd | 1005 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
1006 | SvREFCNT_dec(PL_unitcheckav); |
1007 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 1008 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
1009 | PL_beginav = NULL; |
1010 | PL_beginav_save = NULL; | |
1011 | PL_endav = NULL; | |
1012 | PL_checkav = NULL; | |
1013 | PL_checkav_save = NULL; | |
3c10abe3 AG |
1014 | PL_unitcheckav = NULL; |
1015 | PL_unitcheckav_save = NULL; | |
7d49f689 | 1016 | PL_initav = NULL; |
5618dfe8 | 1017 | |
8ebc5c01 | 1018 | /* shortcuts just get cleared */ |
a0714e2c SS |
1019 | PL_hintgv = NULL; |
1020 | PL_errgv = NULL; | |
a0714e2c SS |
1021 | PL_argvoutgv = NULL; |
1022 | PL_stdingv = NULL; | |
1023 | PL_stderrgv = NULL; | |
1024 | PL_last_in_gv = NULL; | |
a0714e2c SS |
1025 | PL_DBsingle = NULL; |
1026 | PL_DBtrace = NULL; | |
1027 | PL_DBsignal = NULL; | |
a6d69523 TC |
1028 | PL_DBsingle_iv = 0; |
1029 | PL_DBtrace_iv = 0; | |
1030 | PL_DBsignal_iv = 0; | |
601f1833 | 1031 | PL_DBcv = NULL; |
7d49f689 | 1032 | PL_dbargs = NULL; |
5c284bb0 | 1033 | PL_debstash = NULL; |
8ebc5c01 | 1034 | |
cf93a474 | 1035 | SvREFCNT_dec(PL_envgv); |
f03015cd | 1036 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 1037 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 1038 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1039 | SvREFCNT_dec(PL_DBgv); |
1040 | SvREFCNT_dec(PL_DBline); | |
1041 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1042 | PL_envgv = NULL; |
f03015cd | 1043 | PL_incgv = NULL; |
722fa0e9 | 1044 | PL_argvgv = NULL; |
475b1e90 | 1045 | PL_replgv = NULL; |
8cece913 FC |
1046 | PL_DBgv = NULL; |
1047 | PL_DBline = NULL; | |
1048 | PL_DBsub = NULL; | |
1049 | ||
7a1c5554 | 1050 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1051 | PL_argvout_stack = NULL; |
8ebc5c01 | 1052 | |
5c831c24 | 1053 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1054 | PL_modglobal = NULL; |
5c831c24 | 1055 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1056 | PL_preambleav = NULL; |
5c831c24 | 1057 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1058 | PL_subname = NULL; |
ca0c25f6 | 1059 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1060 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1061 | PL_pidstatus = NULL; |
ca0c25f6 | 1062 | #endif |
5c831c24 | 1063 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1064 | PL_toptarget = NULL; |
5c831c24 | 1065 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1066 | PL_bodytarget = NULL; |
1067 | PL_formtarget = NULL; | |
5c831c24 | 1068 | |
d33b2eba | 1069 | /* free locale stuff */ |
b9582b6a | 1070 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1071 | Safefree(PL_collation_name); |
bd61b366 | 1072 | PL_collation_name = NULL; |
b9582b6a | 1073 | #endif |
d33b2eba | 1074 | |
b9582b6a | 1075 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1076 | Safefree(PL_numeric_name); |
bd61b366 | 1077 | PL_numeric_name = NULL; |
a453c169 | 1078 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1079 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1080 | #endif |
d33b2eba | 1081 | |
9c0b6888 KW |
1082 | /* clear character classes */ |
1083 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1084 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1085 | PL_utf8_swash_ptrs[i] = NULL; | |
1086 | } | |
5c831c24 GS |
1087 | SvREFCNT_dec(PL_utf8_mark); |
1088 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1089 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1090 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1091 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1092 | SvREFCNT_dec(PL_utf8_idstart); |
1093 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1094 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1095 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1096 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1097 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1098 | SvREFCNT_dec(PL_UpperLatin1); |
1099 | SvREFCNT_dec(PL_Latin1); | |
1100 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1101 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1102 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1103 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1104 | #endif |
a0714e2c SS |
1105 | PL_utf8_mark = NULL; |
1106 | PL_utf8_toupper = NULL; | |
1107 | PL_utf8_totitle = NULL; | |
1108 | PL_utf8_tolower = NULL; | |
1109 | PL_utf8_tofold = NULL; | |
1110 | PL_utf8_idstart = NULL; | |
1111 | PL_utf8_idcont = NULL; | |
2726813d | 1112 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1113 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1114 | PL_InBitmap = NULL; |
9fa9f06b | 1115 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1116 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1117 | PL_warn_locale = NULL; |
5b7de470 | 1118 | #endif |
9fa9f06b KW |
1119 | PL_Latin1 = NULL; |
1120 | PL_NonL1NonFinalFold = NULL; | |
1121 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1122 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1123 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1124 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1125 | } |
64935bc6 | 1126 | PL_GCB_invlist = NULL; |
6b659339 | 1127 | PL_LB_invlist = NULL; |
06ae2722 | 1128 | PL_SB_invlist = NULL; |
ae3bb8ea | 1129 | PL_WB_invlist = NULL; |
5c831c24 | 1130 | |
971a9dd3 | 1131 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1132 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1133 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1134 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1135 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1136 | CopFILE_free(&PL_compiling); |
5c831c24 | 1137 | |
a0d0e21e | 1138 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1139 | |
3280af22 | 1140 | hv = PL_defstash; |
ca556bcd | 1141 | /* break ref loop *:: <=> %:: */ |
854da30f | 1142 | (void)hv_deletes(hv, "main::", G_DISCARD); |
3280af22 | 1143 | PL_defstash = 0; |
a0d0e21e | 1144 | SvREFCNT_dec(hv); |
5c831c24 | 1145 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1146 | PL_curstname = NULL; |
a0d0e21e | 1147 | |
5a844595 GS |
1148 | /* clear queued errors */ |
1149 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1150 | PL_errors = NULL; |
5a844595 | 1151 | |
dd69841b BB |
1152 | SvREFCNT_dec(PL_isarev); |
1153 | ||
a0d0e21e | 1154 | FREETMPS; |
9b387841 | 1155 | if (destruct_level >= 2) { |
3280af22 | 1156 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1157 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1158 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1159 | (long)PL_scopestack_ix); | |
3280af22 | 1160 | if (PL_savestack_ix != 0) |
9b387841 NC |
1161 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1162 | "Unbalanced saves: %ld more saves than restores\n", | |
1163 | (long)PL_savestack_ix); | |
3280af22 | 1164 | if (PL_tmps_floor != -1) |
9b387841 NC |
1165 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1166 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1167 | if (cxstack_ix != -1) |
9b387841 NC |
1168 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1169 | (long)cxstack_ix + 1); | |
a0d0e21e | 1170 | } |
8990e307 | 1171 | |
0547a729 DM |
1172 | #ifdef USE_ITHREADS |
1173 | SvREFCNT_dec(PL_regex_padav); | |
1174 | PL_regex_padav = NULL; | |
1175 | PL_regex_pad = NULL; | |
1176 | #endif | |
1177 | ||
776df701 | 1178 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1179 | /* the entries in this list are allocated via SV PVX's, so get freed |
1180 | * in sv_clean_all */ | |
1181 | Safefree(PL_my_cxt_list); | |
776df701 | 1182 | #endif |
57bb2458 | 1183 | |
8990e307 | 1184 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1185 | |
1186 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1187 | while (sv_clean_all() > 2) |
5226ed68 JH |
1188 | ; |
1189 | ||
23083432 FC |
1190 | #ifdef USE_ITHREADS |
1191 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1192 | #endif | |
1193 | ||
d4777f27 GS |
1194 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1195 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1196 | PL_fdpid = NULL; |
d33b2eba | 1197 | |
6c644e78 GS |
1198 | #ifdef HAVE_INTERP_INTERN |
1199 | sys_intern_clear(); | |
1200 | #endif | |
1201 | ||
a38ab475 RZ |
1202 | /* constant strings */ |
1203 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1204 | SvREFCNT_dec(PL_sv_consts[i]); | |
1205 | PL_sv_consts[i] = NULL; | |
1206 | } | |
1207 | ||
6e72f9df | 1208 | /* Destruct the global string table. */ |
1209 | { | |
1210 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1211 | * so that sv_free() won't fail on them. | |
80459961 NC |
1212 | * Now that the global string table is using a single hunk of memory |
1213 | * for both HE and HEK, we either need to explicitly unshare it the | |
1214 | * correct way, or actually free things here. | |
6e72f9df | 1215 | */ |
80459961 NC |
1216 | I32 riter = 0; |
1217 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1218 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1219 | HE *hent = array[0]; |
1220 | ||
6e72f9df | 1221 | for (;;) { |
0453d815 | 1222 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1223 | HE * const next = HeNEXT(hent); |
9014280d | 1224 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1225 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1226 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1227 | Safefree(hent); |
1228 | hent = next; | |
6e72f9df | 1229 | } |
1230 | if (!hent) { | |
1231 | if (++riter > max) | |
1232 | break; | |
1233 | hent = array[riter]; | |
1234 | } | |
1235 | } | |
80459961 NC |
1236 | |
1237 | Safefree(array); | |
1238 | HvARRAY(PL_strtab) = 0; | |
1239 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1240 | } |
3280af22 | 1241 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1242 | |
e652bb2f | 1243 | #ifdef USE_ITHREADS |
c21d1a0f | 1244 | /* free the pointer tables used for cloning */ |
a0739874 | 1245 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1246 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1247 | #endif |
a0739874 | 1248 | |
d33b2eba GS |
1249 | /* free special SVs */ |
1250 | ||
1251 | SvREFCNT(&PL_sv_yes) = 0; | |
1252 | sv_clear(&PL_sv_yes); | |
1253 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1254 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1255 | |
1256 | SvREFCNT(&PL_sv_no) = 0; | |
1257 | sv_clear(&PL_sv_no); | |
1258 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1259 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1260 | |
9f375a43 DM |
1261 | { |
1262 | int i; | |
1263 | for (i=0; i<=2; i++) { | |
1264 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1265 | sv_clear(PERL_DEBUG_PAD(i)); | |
1266 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1267 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1268 | } | |
1269 | } | |
1270 | ||
0453d815 | 1271 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1272 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1273 | |
eba0f806 DM |
1274 | #ifdef DEBUG_LEAKING_SCALARS |
1275 | if (PL_sv_count != 0) { | |
1276 | SV* sva; | |
1277 | SV* sv; | |
eb578fdb | 1278 | SV* svend; |
eba0f806 | 1279 | |
ad64d0ec | 1280 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1281 | svend = &sva[SvREFCNT(sva)]; |
1282 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1283 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1284 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1285 | " flags=0x%"UVxf |
fd0854ff | 1286 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1287 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1288 | "serial %"UVuf"\n", | |
574b8821 NC |
1289 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1290 | pTHX__VALUE, | |
fd0854ff DM |
1291 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1292 | sv->sv_debug_line, | |
1293 | sv->sv_debug_inpad ? "for" : "by", | |
1294 | sv->sv_debug_optype ? | |
1295 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1296 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1297 | sv->sv_debug_serial |
fd0854ff | 1298 | ); |
2aa47728 | 1299 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1300 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1301 | #endif |
eba0f806 DM |
1302 | } |
1303 | } | |
1304 | } | |
1305 | } | |
2aa47728 NC |
1306 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1307 | { | |
1308 | int status; | |
1309 | fd_set rset; | |
1310 | /* Wait for up to 4 seconds for child to terminate. | |
1311 | This seems to be the least effort way of timing out on reaping | |
1312 | its exit status. */ | |
1313 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1314 | int sock = PL_dumper_fd; |
2aa47728 NC |
1315 | |
1316 | shutdown(sock, 1); | |
1317 | FD_ZERO(&rset); | |
1318 | FD_SET(sock, &rset); | |
1319 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1320 | waitpid(child, &status, WNOHANG); | |
1321 | close(sock); | |
1322 | } | |
1323 | #endif | |
eba0f806 | 1324 | #endif |
77abb4c6 NC |
1325 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1326 | if (PL_sv_count) | |
1327 | abort(); | |
1328 | #endif | |
bf9cdc68 | 1329 | PL_sv_count = 0; |
eba0f806 | 1330 | |
56a2bab7 | 1331 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1332 | /* No more IO - including error messages ! */ |
1333 | PerlIO_cleanup(aTHX); | |
1334 | #endif | |
1335 | ||
9f4bd222 | 1336 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1337 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1338 | for no arg - and will try and SvREFCNT_dec it. |
1339 | */ | |
1340 | SvREFCNT(&PL_sv_undef) = 0; | |
1341 | SvREADONLY_off(&PL_sv_undef); | |
1342 | ||
3280af22 | 1343 | Safefree(PL_origfilename); |
bd61b366 | 1344 | PL_origfilename = NULL; |
43c5f42d | 1345 | Safefree(PL_reg_curpm); |
dd28f7bb | 1346 | free_tied_hv_pool(); |
3280af22 | 1347 | Safefree(PL_op_mask); |
cf36064f | 1348 | Safefree(PL_psig_name); |
bf9cdc68 | 1349 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1350 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1351 | { |
1352 | /* We need to NULL PL_psig_pend first, so that | |
1353 | signal handlers know not to use it */ | |
1354 | int *psig_save = PL_psig_pend; | |
1355 | PL_psig_pend = (int*)NULL; | |
1356 | Safefree(psig_save); | |
1357 | } | |
6e72f9df | 1358 | nuke_stacks(); |
284167a5 S |
1359 | TAINTING_set(FALSE); |
1360 | TAINT_WARN_set(FALSE); | |
3280af22 | 1361 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1362 | |
a0d0e21e | 1363 | DEBUG_P(debprofdump()); |
d33b2eba | 1364 | |
b173165c FC |
1365 | PL_debug = 0; |
1366 | ||
e5dd39fc | 1367 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1368 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1369 | #endif |
1370 | ||
a24da70b NC |
1371 | /* These all point to HVs that are about to be blown away. |
1372 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1373 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1374 | PL_custom_op_names = NULL; | |
1375 | PL_custom_op_descs = NULL; | |
1376 | PL_custom_ops = NULL; | |
1377 | ||
612f20c3 GS |
1378 | sv_free_arenas(); |
1379 | ||
5d9a96ca DM |
1380 | while (PL_regmatch_slab) { |
1381 | regmatch_slab *s = PL_regmatch_slab; | |
1382 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1383 | Safefree(s); | |
1384 | } | |
1385 | ||
fc36a67e | 1386 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1387 | ||
3280af22 | 1388 | if (PL_mess_sv) { |
f350b448 NC |
1389 | /* we know that type == SVt_PVMG */ |
1390 | ||
9c63abab | 1391 | /* it could have accumulated taint magic */ |
f350b448 NC |
1392 | MAGIC* mg; |
1393 | MAGIC* moremagic; | |
1394 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1395 | moremagic = mg->mg_moremagic; | |
1396 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1397 | && mg->mg_len >= 0) | |
1398 | Safefree(mg->mg_ptr); | |
1399 | Safefree(mg); | |
9c63abab | 1400 | } |
f350b448 | 1401 | |
fc36a67e | 1402 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1403 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1404 | Safefree(SvANY(PL_mess_sv)); |
1405 | Safefree(PL_mess_sv); | |
a0714e2c | 1406 | PL_mess_sv = NULL; |
fc36a67e | 1407 | } |
37038d91 | 1408 | return STATUS_EXIT; |
79072805 LW |
1409 | } |
1410 | ||
954c1994 GS |
1411 | /* |
1412 | =for apidoc perl_free | |
1413 | ||
1414 | Releases a Perl interpreter. See L<perlembed>. | |
1415 | ||
1416 | =cut | |
1417 | */ | |
1418 | ||
79072805 | 1419 | void |
0cb96387 | 1420 | perl_free(pTHXx) |
79072805 | 1421 | { |
5174512c NC |
1422 | dVAR; |
1423 | ||
7918f24d NC |
1424 | PERL_ARGS_ASSERT_PERL_FREE; |
1425 | ||
c301d606 DM |
1426 | if (PL_veto_cleanup) |
1427 | return; | |
1428 | ||
7cb608b5 | 1429 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1430 | { |
1431 | /* | |
1432 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1433 | * value as we're probably hunting memory leaks then | |
1434 | */ | |
36e77d41 | 1435 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1436 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1437 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1438 | thread at thread exit. */ | |
4fd0a9b8 NC |
1439 | if (DEBUG_m_TEST) { |
1440 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1441 | "free this thread's memory\n"); | |
1442 | PL_debug &= ~ DEBUG_m_FLAG; | |
1443 | } | |
6edcbed6 DD |
1444 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1445 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1446 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1447 | safesysfree(ptr); | |
1448 | } | |
4fd0a9b8 | 1449 | PL_debug = old_debug; |
55ef9aae MHM |
1450 | } |
1451 | } | |
7cb608b5 NC |
1452 | #endif |
1453 | ||
acfe0abc | 1454 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1455 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1456 | { |
acfe0abc | 1457 | # ifdef NETWARE |
7af12a34 | 1458 | void *host = nw_internal_host; |
7af12a34 | 1459 | PerlMem_free(aTHXx); |
7af12a34 | 1460 | nw_delete_internal_host(host); |
acfe0abc | 1461 | # else |
bdb50480 NC |
1462 | void *host = w32_internal_host; |
1463 | PerlMem_free(aTHXx); | |
7af12a34 | 1464 | win32_delete_internal_host(host); |
acfe0abc | 1465 | # endif |
7af12a34 | 1466 | } |
1c0ca838 GS |
1467 | # else |
1468 | PerlMem_free(aTHXx); | |
1469 | # endif | |
acfe0abc GS |
1470 | #else |
1471 | PerlMem_free(aTHXx); | |
76e3520e | 1472 | #endif |
79072805 LW |
1473 | } |
1474 | ||
b7f7fff6 | 1475 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1476 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1477 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1478 | ||
826955bd | 1479 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1480 | #pragma fini "perl_fini" |
666ad1ec GA |
1481 | #elif defined(__sun) && !defined(__GNUC__) |
1482 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1483 | #endif |
1484 | ||
0dbb1585 AL |
1485 | static void |
1486 | #if defined(__GNUC__) | |
1487 | __attribute__((destructor)) | |
aebd1ac7 | 1488 | #endif |
de009b76 | 1489 | perl_fini(void) |
aebd1ac7 | 1490 | { |
27da23d5 | 1491 | dVAR; |
5c64bffd NC |
1492 | if ( |
1493 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1494 | my_vars && | |
1495 | #endif | |
1496 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1497 | FREE_THREAD_KEY; |
1498 | } | |
1499 | ||
1500 | #endif /* WIN32 */ | |
1501 | #endif /* THREADS */ | |
1502 | ||
4b556e6c | 1503 | void |
864dbfa3 | 1504 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1505 | { |
3280af22 NIS |
1506 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1507 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1508 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1509 | ++PL_exitlistlen; | |
4b556e6c JD |
1510 | } |
1511 | ||
954c1994 GS |
1512 | /* |
1513 | =for apidoc perl_parse | |
1514 | ||
1515 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1516 | ||
1517 | =cut | |
1518 | */ | |
1519 | ||
03d9f026 FC |
1520 | #define SET_CURSTASH(newstash) \ |
1521 | if (PL_curstash != newstash) { \ | |
1522 | SvREFCNT_dec(PL_curstash); \ | |
1523 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1524 | } | |
1525 | ||
79072805 | 1526 | int |
0cb96387 | 1527 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1528 | { |
27da23d5 | 1529 | dVAR; |
6224f72b | 1530 | I32 oldscope; |
6224f72b | 1531 | int ret; |
db36c5a1 | 1532 | dJMPENV; |
8d063cd8 | 1533 | |
7918f24d NC |
1534 | PERL_ARGS_ASSERT_PERL_PARSE; |
1535 | #ifndef MULTIPLICITY | |
ed6c66dd | 1536 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1537 | #endif |
7dc86639 | 1538 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1539 | { |
7dc86639 YO |
1540 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1541 | ||
22ff3130 | 1542 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1543 | const unsigned char *seed= PERL_HASH_SEED; |
1544 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1545 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1546 | while (seed < seed_end) { | |
1547 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1548 | } | |
6a5b4183 YO |
1549 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1550 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1551 | PL_HASH_RAND_BITS_ENABLED, | |
1552 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1553 | #endif | |
7dc86639 YO |
1554 | PerlIO_printf(Perl_debug_log, "\n"); |
1555 | } | |
b0891165 JH |
1556 | } |
1557 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
43238333 | 1558 | |
ea34f6bd | 1559 | #ifdef __amigaos4__ |
43238333 AB |
1560 | { |
1561 | struct NameTranslationInfo nti; | |
1562 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1563 | } | |
1564 | #endif | |
1565 | ||
3280af22 | 1566 | PL_origargc = argc; |
e2975953 | 1567 | PL_origargv = argv; |
a0d0e21e | 1568 | |
a2722ac9 GA |
1569 | if (PL_origalen != 0) { |
1570 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1571 | } | |
1572 | else { | |
3cb9023d JH |
1573 | /* Set PL_origalen be the sum of the contiguous argv[] |
1574 | * elements plus the size of the env in case that it is | |
e9137a8e | 1575 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1576 | * as the maximum modifiable length of $0. In the worst case |
1577 | * the area we are able to modify is limited to the size of | |
43c32782 | 1578 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1579 | * --jhi */ |
e1ec3a88 | 1580 | const char *s = NULL; |
54bfe034 | 1581 | int i; |
b7249aaf | 1582 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1583 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1584 | const UV aligned = |
43c32782 JH |
1585 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1586 | ||
1587 | /* See if all the arguments are contiguous in memory. Note | |
1588 | * that 'contiguous' is a loose term because some platforms | |
1589 | * align the argv[] and the envp[]. If the arguments look | |
1590 | * like non-aligned, assume that they are 'strictly' or | |
1591 | * 'traditionally' contiguous. If the arguments look like | |
1592 | * aligned, we just check that they are within aligned | |
1593 | * PTRSIZE bytes. As long as no system has something bizarre | |
1594 | * like the argv[] interleaved with some other data, we are | |
1595 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1596 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1597 | while (*s) s++; | |
1598 | for (i = 1; i < PL_origargc; i++) { | |
1599 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1600 | #ifdef OS2 |
c8941eeb | 1601 | || PL_origargv[i] == s + 2 |
43c32782 | 1602 | #endif |
c8941eeb JH |
1603 | ) |
1604 | || | |
1605 | (aligned && | |
1606 | (PL_origargv[i] > s && | |
1607 | PL_origargv[i] <= | |
1608 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1609 | ) | |
1610 | { | |
1611 | s = PL_origargv[i]; | |
1612 | while (*s) s++; | |
1613 | } | |
1614 | else | |
1615 | break; | |
54bfe034 | 1616 | } |
54bfe034 | 1617 | } |
a4a109c2 JD |
1618 | |
1619 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1620 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1621 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1622 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1623 | || |
1624 | (aligned && | |
1625 | (PL_origenviron[0] > s && | |
1626 | PL_origenviron[0] <= | |
1627 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1628 | ) | |
1629 | { | |
9d419b5f | 1630 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1631 | s = PL_origenviron[0]; |
1632 | while (*s) s++; | |
1633 | #endif | |
bd61b366 | 1634 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1635 | /* Force copy of environment. */ |
1636 | for (i = 1; PL_origenviron[i]; i++) { | |
1637 | if (PL_origenviron[i] == s + 1 | |
1638 | || | |
1639 | (aligned && | |
1640 | (PL_origenviron[i] > s && | |
1641 | PL_origenviron[i] <= | |
1642 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1643 | ) | |
1644 | { | |
1645 | s = PL_origenviron[i]; | |
1646 | while (*s) s++; | |
1647 | } | |
1648 | else | |
1649 | break; | |
54bfe034 | 1650 | } |
43c32782 | 1651 | } |
54bfe034 | 1652 | } |
a4a109c2 JD |
1653 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1654 | ||
2d2af554 | 1655 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1656 | } |
1657 | ||
3280af22 | 1658 | if (PL_do_undump) { |
a0d0e21e LW |
1659 | |
1660 | /* Come here if running an undumped a.out. */ | |
1661 | ||
3280af22 NIS |
1662 | PL_origfilename = savepv(argv[0]); |
1663 | PL_do_undump = FALSE; | |
a0d0e21e | 1664 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1665 | init_ids(); |
284167a5 | 1666 | assert (!TAINT_get); |
b7975bdd | 1667 | TAINT; |
e2051532 | 1668 | set_caret_X(); |
b7975bdd | 1669 | TAINT_NOT; |
a0d0e21e LW |
1670 | init_postdump_symbols(argc,argv,env); |
1671 | return 0; | |
1672 | } | |
1673 | ||
3280af22 | 1674 | if (PL_main_root) { |
3280af22 | 1675 | op_free(PL_main_root); |
5f66b61c | 1676 | PL_main_root = NULL; |
ff0cee69 | 1677 | } |
5f66b61c | 1678 | PL_main_start = NULL; |
3280af22 | 1679 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1680 | PL_main_cv = NULL; |
79072805 | 1681 | |
3280af22 NIS |
1682 | time(&PL_basetime); |
1683 | oldscope = PL_scopestack_ix; | |
599cee73 | 1684 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1685 | |
14dd3ad8 | 1686 | JMPENV_PUSH(ret); |
6224f72b | 1687 | switch (ret) { |
312caa8e | 1688 | case 0: |
14dd3ad8 | 1689 | parse_body(env,xsinit); |
9ebf26ad | 1690 | if (PL_unitcheckav) { |
3c10abe3 | 1691 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1692 | } |
1693 | if (PL_checkav) { | |
ca7b837b | 1694 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1695 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1696 | } |
14dd3ad8 GS |
1697 | ret = 0; |
1698 | break; | |
6224f72b GS |
1699 | case 1: |
1700 | STATUS_ALL_FAILURE; | |
924ba076 | 1701 | /* FALLTHROUGH */ |
6224f72b GS |
1702 | case 2: |
1703 | /* my_exit() was called */ | |
3280af22 | 1704 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1705 | LEAVE; |
1706 | FREETMPS; | |
03d9f026 | 1707 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1708 | if (PL_unitcheckav) { |
3c10abe3 | 1709 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1710 | } |
1711 | if (PL_checkav) { | |
ca7b837b | 1712 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1713 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1714 | } |
37038d91 | 1715 | ret = STATUS_EXIT; |
14dd3ad8 | 1716 | break; |
6224f72b | 1717 | case 3: |
bf49b057 | 1718 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1719 | ret = 1; |
1720 | break; | |
6224f72b | 1721 | } |
14dd3ad8 GS |
1722 | JMPENV_POP; |
1723 | return ret; | |
1724 | } | |
1725 | ||
4a5df386 NC |
1726 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1727 | miniperl, and we need to see those flags reflected in the values here. */ | |
1728 | ||
1729 | /* What this returns is subject to change. Use the public interface in Config. | |
1730 | */ | |
1731 | static void | |
1732 | S_Internals_V(pTHX_ CV *cv) | |
1733 | { | |
1734 | dXSARGS; | |
1735 | #ifdef LOCAL_PATCH_COUNT | |
1736 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1737 | #else | |
1738 | const int local_patch_count = 0; | |
1739 | #endif | |
2dc296d2 | 1740 | const int entries = 3 + local_patch_count; |
4a5df386 | 1741 | int i; |
fe1c5936 | 1742 | static const char non_bincompat_options[] = |
4a5df386 NC |
1743 | # ifdef DEBUGGING |
1744 | " DEBUGGING" | |
1745 | # endif | |
1746 | # ifdef NO_MATHOMS | |
0d311fbe | 1747 | " NO_MATHOMS" |
4a5df386 | 1748 | # endif |
59b86f4b DM |
1749 | # ifdef NO_HASH_SEED |
1750 | " NO_HASH_SEED" | |
1751 | # endif | |
3b0e4ee2 MB |
1752 | # ifdef NO_TAINT_SUPPORT |
1753 | " NO_TAINT_SUPPORT" | |
1754 | # endif | |
cb26ef7a MB |
1755 | # ifdef PERL_BOOL_AS_CHAR |
1756 | " PERL_BOOL_AS_CHAR" | |
1757 | # endif | |
93c10d60 FC |
1758 | # ifdef PERL_COPY_ON_WRITE |
1759 | " PERL_COPY_ON_WRITE" | |
1760 | # endif | |
4a5df386 NC |
1761 | # ifdef PERL_DISABLE_PMC |
1762 | " PERL_DISABLE_PMC" | |
1763 | # endif | |
1764 | # ifdef PERL_DONT_CREATE_GVSV | |
1765 | " PERL_DONT_CREATE_GVSV" | |
1766 | # endif | |
9a044a43 NC |
1767 | # ifdef PERL_EXTERNAL_GLOB |
1768 | " PERL_EXTERNAL_GLOB" | |
1769 | # endif | |
59b86f4b DM |
1770 | # ifdef PERL_HASH_FUNC_SIPHASH |
1771 | " PERL_HASH_FUNC_SIPHASH" | |
1772 | # endif | |
1773 | # ifdef PERL_HASH_FUNC_SDBM | |
1774 | " PERL_HASH_FUNC_SDBM" | |
1775 | # endif | |
1776 | # ifdef PERL_HASH_FUNC_DJB2 | |
1777 | " PERL_HASH_FUNC_DJB2" | |
1778 | # endif | |
1779 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1780 | " PERL_HASH_FUNC_SUPERFAST" | |
1781 | # endif | |
1782 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1783 | " PERL_HASH_FUNC_MURMUR3" | |
1784 | # endif | |
1785 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1786 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1787 | # endif | |
1788 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1789 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1790 | # endif | |
1791 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1792 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1793 | # endif | |
4a5df386 NC |
1794 | # ifdef PERL_IS_MINIPERL |
1795 | " PERL_IS_MINIPERL" | |
1796 | # endif | |
1797 | # ifdef PERL_MALLOC_WRAP | |
1798 | " PERL_MALLOC_WRAP" | |
1799 | # endif | |
1800 | # ifdef PERL_MEM_LOG | |
1801 | " PERL_MEM_LOG" | |
1802 | # endif | |
1803 | # ifdef PERL_MEM_LOG_NOIMPL | |
1804 | " PERL_MEM_LOG_NOIMPL" | |
1805 | # endif | |
4e499636 DM |
1806 | # ifdef PERL_OP_PARENT |
1807 | " PERL_OP_PARENT" | |
1808 | # endif | |
59b86f4b DM |
1809 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1810 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1811 | # endif | |
1812 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1813 | " PERL_PERTURB_KEYS_DISABLED" | |
1814 | # endif | |
1815 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1816 | " PERL_PERTURB_KEYS_RANDOM" | |
1817 | # endif | |
c3cf41ec NC |
1818 | # ifdef PERL_PRESERVE_IVUV |
1819 | " PERL_PRESERVE_IVUV" | |
1820 | # endif | |
c051e30b NC |
1821 | # ifdef PERL_RELOCATABLE_INCPUSH |
1822 | " PERL_RELOCATABLE_INCPUSH" | |
1823 | # endif | |
4a5df386 NC |
1824 | # ifdef PERL_USE_DEVEL |
1825 | " PERL_USE_DEVEL" | |
1826 | # endif | |
1827 | # ifdef PERL_USE_SAFE_PUTENV | |
1828 | " PERL_USE_SAFE_PUTENV" | |
1829 | # endif | |
102b7877 YO |
1830 | # ifdef SILENT_NO_TAINT_SUPPORT |
1831 | " SILENT_NO_TAINT_SUPPORT" | |
1832 | # endif | |
a3749cf3 NC |
1833 | # ifdef UNLINK_ALL_VERSIONS |
1834 | " UNLINK_ALL_VERSIONS" | |
1835 | # endif | |
de618ee4 NC |
1836 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1837 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1838 | # endif | |
4a5df386 NC |
1839 | # ifdef USE_FAST_STDIO |
1840 | " USE_FAST_STDIO" | |
1841 | # endif | |
59b86f4b DM |
1842 | # ifdef USE_HASH_SEED_EXPLICIT |
1843 | " USE_HASH_SEED_EXPLICIT" | |
1844 | # endif | |
98548bdf NC |
1845 | # ifdef USE_LOCALE |
1846 | " USE_LOCALE" | |
1847 | # endif | |
98548bdf NC |
1848 | # ifdef USE_LOCALE_CTYPE |
1849 | " USE_LOCALE_CTYPE" | |
1850 | # endif | |
6937817d DD |
1851 | # ifdef WIN32_NO_REGISTRY |
1852 | " USE_NO_REGISTRY" | |
1853 | # endif | |
5a8d8935 NC |
1854 | # ifdef USE_PERL_ATOF |
1855 | " USE_PERL_ATOF" | |
1856 | # endif | |
0d311fbe NC |
1857 | # ifdef USE_SITECUSTOMIZE |
1858 | " USE_SITECUSTOMIZE" | |
1859 | # endif | |
4a5df386 NC |
1860 | ; |
1861 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1862 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1863 | |
1864 | EXTEND(SP, entries); | |
1865 | ||
1866 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1867 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1868 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1869 | ||
6baa8dbd NT |
1870 | #ifndef PERL_BUILD_DATE |
1871 | # ifdef __DATE__ | |
1872 | # ifdef __TIME__ | |
1873 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1874 | # else | |
1875 | # define PERL_BUILD_DATE __DATE__ | |
1876 | # endif | |
1877 | # endif | |
1878 | #endif | |
1879 | ||
1880 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1881 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1882 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1883 | SVs_TEMP)); |
4a5df386 NC |
1884 | #else |
1885 | PUSHs(&PL_sv_undef); | |
1886 | #endif | |
1887 | ||
4a5df386 NC |
1888 | for (i = 1; i <= local_patch_count; i++) { |
1889 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1890 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1891 | } | |
1892 | ||
1893 | XSRETURN(entries); | |
1894 | } | |
1895 | ||
be71fc8f NC |
1896 | #define INCPUSH_UNSHIFT 0x01 |
1897 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1898 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1899 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1900 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1901 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1902 | #define INCPUSH_ADD_SUB_DIRS \ |
1903 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1904 | |
312caa8e | 1905 | STATIC void * |
14dd3ad8 | 1906 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1907 | { |
27da23d5 | 1908 | dVAR; |
2f9285f8 | 1909 | PerlIO *rsfp; |
312caa8e | 1910 | int argc = PL_origargc; |
8f42b153 | 1911 | char **argv = PL_origargv; |
e1ec3a88 | 1912 | const char *scriptname = NULL; |
402582ca | 1913 | bool dosearch = FALSE; |
eb578fdb | 1914 | char c; |
737c24fc | 1915 | bool doextract = FALSE; |
bd61b366 | 1916 | const char *cddir = NULL; |
ab019eaa | 1917 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1918 | bool minus_f = FALSE; |
ab019eaa | 1919 | #endif |
95670bde | 1920 | SV *linestr_sv = NULL; |
5486870f | 1921 | bool add_read_e_script = FALSE; |
87606032 | 1922 | U32 lex_start_flags = 0; |
009d90df | 1923 | |
ca7b837b | 1924 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1925 | |
6224f72b | 1926 | init_main_stash(); |
54310121 | 1927 | |
c7030b81 NC |
1928 | { |
1929 | const char *s; | |
6224f72b GS |
1930 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1931 | if (argv[0][0] != '-' || !argv[0][1]) | |
1932 | break; | |
6224f72b GS |
1933 | s = argv[0]+1; |
1934 | reswitch: | |
47f56822 | 1935 | switch ((c = *s)) { |
729a02f2 | 1936 | case 'C': |
1d5472a9 GS |
1937 | #ifndef PERL_STRICT_CR |
1938 | case '\r': | |
1939 | #endif | |
6224f72b GS |
1940 | case ' ': |
1941 | case '0': | |
1942 | case 'F': | |
1943 | case 'a': | |
1944 | case 'c': | |
1945 | case 'd': | |
1946 | case 'D': | |
1947 | case 'h': | |
1948 | case 'i': | |
1949 | case 'l': | |
1950 | case 'M': | |
1951 | case 'm': | |
1952 | case 'n': | |
1953 | case 'p': | |
1954 | case 's': | |
1955 | case 'u': | |
1956 | case 'U': | |
1957 | case 'v': | |
599cee73 PM |
1958 | case 'W': |
1959 | case 'X': | |
6224f72b | 1960 | case 'w': |
97bd5664 | 1961 | if ((s = moreswitches(s))) |
6224f72b GS |
1962 | goto reswitch; |
1963 | break; | |
33b78306 | 1964 | |
1dbad523 | 1965 | case 't': |
dc6d7f5c | 1966 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1967 | /* silently ignore */ |
dc6d7f5c | 1968 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1969 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1970 | "Cowardly refusing to run with -t or -T flags"); |
1971 | #else | |
22f7c9c9 | 1972 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1973 | if( !TAINTING_get ) { |
1974 | TAINT_WARN_set(TRUE); | |
1975 | TAINTING_set(TRUE); | |
317ea90d | 1976 | } |
284167a5 | 1977 | #endif |
317ea90d MS |
1978 | s++; |
1979 | goto reswitch; | |
6224f72b | 1980 | case 'T': |
dc6d7f5c | 1981 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1982 | /* silently ignore */ |
dc6d7f5c | 1983 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1984 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1985 | "Cowardly refusing to run with -t or -T flags"); |
1986 | #else | |
22f7c9c9 | 1987 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1988 | TAINTING_set(TRUE); |
1989 | TAINT_WARN_set(FALSE); | |
1990 | #endif | |
6224f72b GS |
1991 | s++; |
1992 | goto reswitch; | |
f86702cc | 1993 | |
bc9b29db RH |
1994 | case 'E': |
1995 | PL_minus_E = TRUE; | |
924ba076 | 1996 | /* FALLTHROUGH */ |
6224f72b | 1997 | case 'e': |
f20b2998 | 1998 | forbid_setid('e', FALSE); |
3280af22 | 1999 | if (!PL_e_script) { |
396482e1 | 2000 | PL_e_script = newSVpvs(""); |
5486870f | 2001 | add_read_e_script = TRUE; |
6224f72b GS |
2002 | } |
2003 | if (*++s) | |
3280af22 | 2004 | sv_catpv(PL_e_script, s); |
6224f72b | 2005 | else if (argv[1]) { |
3280af22 | 2006 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
2007 | argc--,argv++; |
2008 | } | |
2009 | else | |
47f56822 | 2010 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 2011 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 2012 | break; |
afe37c7d | 2013 | |
20ef40cf | 2014 | case 'f': |
f5542d3a | 2015 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 2016 | minus_f = TRUE; |
f5542d3a | 2017 | #endif |
20ef40cf GA |
2018 | s++; |
2019 | goto reswitch; | |
2020 | ||
6224f72b | 2021 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 2022 | forbid_setid('I', FALSE); |
bd61b366 | 2023 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
2024 | argc--,argv++; |
2025 | } | |
6224f72b | 2026 | if (s && *s) { |
0df16ed7 | 2027 | STRLEN len = strlen(s); |
55b4bc1c | 2028 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
2029 | } |
2030 | else | |
a67e862a | 2031 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 2032 | break; |
6224f72b | 2033 | case 'S': |
f20b2998 | 2034 | forbid_setid('S', FALSE); |
6224f72b GS |
2035 | dosearch = TRUE; |
2036 | s++; | |
2037 | goto reswitch; | |
2038 | case 'V': | |
7edfd0ef NC |
2039 | { |
2040 | SV *opts_prog; | |
2041 | ||
7edfd0ef | 2042 | if (*++s != ':') { |
37ca4a5b | 2043 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2044 | } |
2045 | else { | |
2046 | ++s; | |
2047 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2048 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2049 | 0, s, 0); |
2050 | s += strlen(s); | |
2051 | } | |
37ca4a5b | 2052 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2053 | /* don't look for script or read stdin */ |
2054 | scriptname = BIT_BUCKET; | |
2055 | goto reswitch; | |
6224f72b | 2056 | } |
6224f72b | 2057 | case 'x': |
737c24fc | 2058 | doextract = TRUE; |
6224f72b | 2059 | s++; |
304334da | 2060 | if (*s) |
f4c556ac | 2061 | cddir = s; |
6224f72b GS |
2062 | break; |
2063 | case 0: | |
2064 | break; | |
2065 | case '-': | |
2066 | if (!*++s || isSPACE(*s)) { | |
2067 | argc--,argv++; | |
2068 | goto switch_end; | |
2069 | } | |
ee8bc8b7 NC |
2070 | /* catch use of gnu style long options. |
2071 | Both of these exit immediately. */ | |
2072 | if (strEQ(s, "version")) | |
2073 | minus_v(); | |
2074 | if (strEQ(s, "help")) | |
2075 | usage(); | |
6224f72b | 2076 | s--; |
924ba076 | 2077 | /* FALLTHROUGH */ |
6224f72b | 2078 | default: |
cea2e8a9 | 2079 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2080 | } |
2081 | } | |
c7030b81 NC |
2082 | } |
2083 | ||
6224f72b | 2084 | switch_end: |
54310121 | 2085 | |
c7030b81 NC |
2086 | { |
2087 | char *s; | |
2088 | ||
f675dbe5 CB |
2089 | if ( |
2090 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2091 | !TAINTING_get && |
f675dbe5 | 2092 | #endif |
cf756827 | 2093 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2094 | { |
9e0b0d62 KW |
2095 | /* s points to static memory in getenv(), which may be overwritten at |
2096 | * any time; use a mortal copy instead */ | |
2097 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2098 | ||
74288ac8 GS |
2099 | while (isSPACE(*s)) |
2100 | s++; | |
317ea90d | 2101 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2102 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2103 | /* silently ignore */ |
dc6d7f5c | 2104 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2105 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2106 | "Cowardly refusing to run with -t or -T flags"); |
2107 | #else | |
22f7c9c9 | 2108 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2109 | TAINTING_set(TRUE); |
2110 | TAINT_WARN_set(FALSE); | |
2111 | #endif | |
317ea90d | 2112 | } |
74288ac8 | 2113 | else { |
bd61b366 | 2114 | char *popt_copy = NULL; |
74288ac8 | 2115 | while (s && *s) { |
54913509 | 2116 | const char *d; |
74288ac8 GS |
2117 | while (isSPACE(*s)) |
2118 | s++; | |
2119 | if (*s == '-') { | |
2120 | s++; | |
2121 | if (isSPACE(*s)) | |
2122 | continue; | |
2123 | } | |
4ea8f8fb | 2124 | d = s; |
74288ac8 GS |
2125 | if (!*s) |
2126 | break; | |
2b622f1a | 2127 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2128 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2129 | while (++s && *s) { |
2130 | if (isSPACE(*s)) { | |
cf756827 | 2131 | if (!popt_copy) { |
bfa6c418 NC |
2132 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2133 | s = popt_copy + (s - d); | |
2134 | d = popt_copy; | |
cf756827 | 2135 | } |
4ea8f8fb MS |
2136 | *s++ = '\0'; |
2137 | break; | |
2138 | } | |
2139 | } | |
1c4db469 | 2140 | if (*d == 't') { |
dc6d7f5c | 2141 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2142 | /* silently ignore */ |
dc6d7f5c | 2143 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2144 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2145 | "Cowardly refusing to run with -t or -T flags"); |
2146 | #else | |
2147 | if( !TAINTING_get) { | |
2148 | TAINT_WARN_set(TRUE); | |
2149 | TAINTING_set(TRUE); | |
317ea90d | 2150 | } |
284167a5 | 2151 | #endif |
1c4db469 | 2152 | } else { |
97bd5664 | 2153 | moreswitches(d); |
1c4db469 | 2154 | } |
6224f72b | 2155 | } |
6224f72b GS |
2156 | } |
2157 | } | |
c7030b81 | 2158 | } |
a0d0e21e | 2159 | |
c29067d7 CH |
2160 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2161 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2162 | assert (!TAINT_get); |
c29067d7 | 2163 | TAINT; |
e2051532 | 2164 | set_caret_X(); |
c29067d7 CH |
2165 | TAINT_NOT; |
2166 | ||
43c0c913 | 2167 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2168 | if (!minus_f) { |
43c0c913 | 2169 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2170 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2171 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2172 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2173 | # ifdef PERL_IS_MINIPERL |
2174 | AV *const inc = GvAV(PL_incgv); | |
2175 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2176 | ||
2177 | if (inc0) { | |
15870c5c NC |
2178 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2179 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2180 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2181 | Perl_newSVpvf(aTHX_ | |
5de87db5 | 2182 | "BEGIN { my $f = q%c%s%"SVf"/buildcustomize.pl%c; " |
af26e4f2 FC |
2183 | "do {local $!; -f $f }" |
2184 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2185 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2186 | } |
2187 | # else | |
2188 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2189 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2190 | if (raw_sitelib) { |
2191 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2192 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2193 | INCPUSH_CAN_RELOCATE); | |
2194 | const char *const sitelib = SvPVX(sitelib_sv); | |
2195 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2196 | Perl_newSVpvf(aTHX_ | |
2197 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2198 | 0, SVfARG(sitelib), 0, |
2199 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2200 | assert (SvREFCNT(sitelib_sv) == 1); |
2201 | SvREFCNT_dec(sitelib_sv); | |
2202 | } | |
43c0c913 | 2203 | # endif |
20ef40cf GA |
2204 | } |
2205 | #endif | |
2206 | ||
6224f72b GS |
2207 | if (!scriptname) |
2208 | scriptname = argv[0]; | |
3280af22 | 2209 | if (PL_e_script) { |
6224f72b GS |
2210 | argc++,argv--; |
2211 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2212 | } | |
bd61b366 | 2213 | else if (scriptname == NULL) { |
6224f72b GS |
2214 | #ifdef MSDOS |
2215 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2216 | moreswitches("h"); |
6224f72b GS |
2217 | #endif |
2218 | scriptname = "-"; | |
2219 | } | |
2220 | ||
284167a5 | 2221 | assert (!TAINT_get); |
2cace6ac | 2222 | init_perllib(); |
6224f72b | 2223 | |
a52eba0e | 2224 | { |
f20b2998 | 2225 | bool suidscript = FALSE; |
829372d3 | 2226 | |
8d113837 | 2227 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2228 | if (!rsfp) { |
2229 | rsfp = PerlIO_stdin(); | |
87606032 | 2230 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2231 | } |
6224f72b | 2232 | |
b24bc095 | 2233 | validate_suid(rsfp); |
6224f72b | 2234 | |
64ca3a65 | 2235 | #ifndef PERL_MICRO |
a52eba0e NC |
2236 | # if defined(SIGCHLD) || defined(SIGCLD) |
2237 | { | |
2238 | # ifndef SIGCHLD | |
2239 | # define SIGCHLD SIGCLD | |
2240 | # endif | |
2241 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2242 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2243 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2244 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2245 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2246 | } | |
0b5b802d | 2247 | } |
a52eba0e | 2248 | # endif |
64ca3a65 | 2249 | #endif |
0b5b802d | 2250 | |
737c24fc | 2251 | if (doextract) { |
faef540c | 2252 | |
f20b2998 | 2253 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2254 | setuid scripts. */ |
2255 | forbid_setid('x', suidscript); | |
f20b2998 | 2256 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2257 | |
95670bde NC |
2258 | linestr_sv = newSV_type(SVt_PV); |
2259 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2260 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2261 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2262 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2263 | } | |
f4c556ac | 2264 | } |
6224f72b | 2265 | |
ea726b52 | 2266 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2267 | CvUNIQUE_on(PL_compcv); |
2268 | ||
eacbb379 | 2269 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2270 | |
dd69841b BB |
2271 | PL_isarev = newHV(); |
2272 | ||
0c4f7ff0 | 2273 | boot_core_PerlIO(); |
6224f72b | 2274 | boot_core_UNIVERSAL(); |
e1a479c5 | 2275 | boot_core_mro(); |
4a5df386 | 2276 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2277 | |
2278 | if (xsinit) | |
acfe0abc | 2279 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2280 | #ifndef PERL_MICRO |
739a0b84 | 2281 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2282 | init_os_extras(); |
6224f72b | 2283 | #endif |
64ca3a65 | 2284 | #endif |
6224f72b | 2285 | |
29209bc5 | 2286 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2287 | # ifdef HAS_SOCKS5_INIT |
2288 | socks5_init(argv[0]); | |
2289 | # else | |
29209bc5 | 2290 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2291 | # endif |
ac27b0f5 | 2292 | #endif |
29209bc5 | 2293 | |
6224f72b GS |
2294 | init_predump_symbols(); |
2295 | /* init_postdump_symbols not currently designed to be called */ | |
2296 | /* more than once (ENV isn't cleared first, for example) */ | |
2297 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2298 | if (!PL_do_undump) |
6224f72b GS |
2299 | init_postdump_symbols(argc,argv,env); |
2300 | ||
27da23d5 JH |
2301 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2302 | * or explicitly in some platforms. | |
73e1bd1a | 2303 | * PL_utf8locale is conditionally turned on by |
085a54d9 | 2304 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2305 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2306 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2307 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2308 | #endif | |
e27b5b51 | 2309 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2310 | if (PL_unicode) { |
2311 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2312 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2313 | IO* io; |
2314 | PerlIO* fp; | |
2315 | SV* sv; | |
2316 | ||
a05d7ebb | 2317 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2318 | * and the default open disciplines. */ |
a05d7ebb JH |
2319 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2320 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2321 | (fp = IoIFP(io))) | |
2322 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2323 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2324 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2325 | (fp = IoOFP(io))) | |
2326 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2327 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2328 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2329 | (fp = IoOFP(io))) | |
2330 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2331 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2332 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2333 | SVt_PV)))) { | |
a05d7ebb JH |
2334 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2335 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2336 | if (in) { | |
2337 | if (out) | |
76f68e9b | 2338 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2339 | else |
76f68e9b | 2340 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2341 | } |
2342 | else if (out) | |
76f68e9b | 2343 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2344 | SvSETMAGIC(sv); |
2345 | } | |
b310b053 JH |
2346 | } |
2347 | } | |
e27b5b51 | 2348 | #endif |
b310b053 | 2349 | |
c7030b81 NC |
2350 | { |
2351 | const char *s; | |
4ffa73a3 JH |
2352 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2353 | if (strEQ(s, "unsafe")) | |
2354 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2355 | else if (strEQ(s, "safe")) | |
2356 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2357 | else | |
2358 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2359 | } | |
c7030b81 | 2360 | } |
4ffa73a3 | 2361 | |
81d86705 | 2362 | |
87606032 | 2363 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2364 | SvREFCNT_dec(linestr_sv); |
95670bde | 2365 | |
219f7226 | 2366 | PL_subname = newSVpvs("main"); |
6224f72b | 2367 | |
5486870f DM |
2368 | if (add_read_e_script) |
2369 | filter_add(read_e_script, NULL); | |
2370 | ||
6224f72b GS |
2371 | /* now parse the script */ |
2372 | ||
93189314 | 2373 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2374 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2375 | if (PL_minus_c) |
cea2e8a9 | 2376 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2377 | else { |
cea2e8a9 | 2378 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2379 | PL_origfilename); |
6224f72b GS |
2380 | } |
2381 | } | |
57843af0 | 2382 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2383 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2384 | if (PL_e_script) { |
2385 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2386 | PL_e_script = NULL; |
6224f72b GS |
2387 | } |
2388 | ||
3280af22 | 2389 | if (PL_do_undump) |
6224f72b GS |
2390 | my_unexec(); |
2391 | ||
57843af0 GS |
2392 | if (isWARN_ONCE) { |
2393 | SAVECOPFILE(PL_curcop); | |
2394 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2395 | gv_check(PL_defstash); |
57843af0 | 2396 | } |
6224f72b GS |
2397 | |
2398 | LEAVE; | |
2399 | FREETMPS; | |
2400 | ||
2401 | #ifdef MYMALLOC | |
f6a607bc RGS |
2402 | { |
2403 | const char *s; | |
22ff3130 HS |
2404 | UV uv; |
2405 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2406 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2407 | dump_mstats("after compilation:"); |
f6a607bc | 2408 | } |
6224f72b GS |
2409 | #endif |
2410 | ||
2411 | ENTER; | |
febb3a6d | 2412 | PL_restartjmpenv = NULL; |
3280af22 | 2413 | PL_restartop = 0; |
312caa8e | 2414 | return NULL; |
6224f72b GS |
2415 | } |
2416 | ||
954c1994 GS |
2417 | /* |
2418 | =for apidoc perl_run | |
2419 | ||
2420 | Tells a Perl interpreter to run. See L<perlembed>. | |
2421 | ||
2422 | =cut | |
2423 | */ | |
2424 | ||
6224f72b | 2425 | int |
0cb96387 | 2426 | perl_run(pTHXx) |
6224f72b | 2427 | { |
6224f72b | 2428 | I32 oldscope; |
14dd3ad8 | 2429 | int ret = 0; |
db36c5a1 | 2430 | dJMPENV; |
6224f72b | 2431 | |
7918f24d NC |
2432 | PERL_ARGS_ASSERT_PERL_RUN; |
2433 | #ifndef MULTIPLICITY | |
ed6c66dd | 2434 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2435 | #endif |
9d4ba2ae | 2436 | |
3280af22 | 2437 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2438 | #ifdef VMS |
2439 | VMSISH_HUSHED = 0; | |
2440 | #endif | |
6224f72b | 2441 | |
14dd3ad8 | 2442 | JMPENV_PUSH(ret); |
6224f72b GS |
2443 | switch (ret) { |
2444 | case 1: | |
2445 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2446 | goto redo_body; |
14dd3ad8 | 2447 | case 0: /* normal completion */ |
14dd3ad8 GS |
2448 | redo_body: |
2449 | run_body(oldscope); | |
924ba076 | 2450 | /* FALLTHROUGH */ |
14dd3ad8 | 2451 | case 2: /* my_exit() */ |
3280af22 | 2452 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2453 | LEAVE; |
2454 | FREETMPS; | |
03d9f026 | 2455 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2456 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2457 | PL_endav && !PL_minus_c) { |
ca7b837b | 2458 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2459 | call_list(oldscope, PL_endav); |
9ebf26ad | 2460 | } |
6224f72b GS |
2461 | #ifdef MYMALLOC |
2462 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2463 | dump_mstats("after execution: "); | |
2464 | #endif | |
37038d91 | 2465 | ret = STATUS_EXIT; |
14dd3ad8 | 2466 | break; |
6224f72b | 2467 | case 3: |
312caa8e CS |
2468 | if (PL_restartop) { |
2469 | POPSTACK_TO(PL_mainstack); | |
2470 | goto redo_body; | |
6224f72b | 2471 | } |
5637ef5b | 2472 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2473 | FREETMPS; |
14dd3ad8 GS |
2474 | ret = 1; |
2475 | break; | |
6224f72b GS |
2476 | } |
2477 | ||
14dd3ad8 GS |
2478 | JMPENV_POP; |
2479 | return ret; | |
312caa8e CS |
2480 | } |
2481 | ||
dd374669 | 2482 | STATIC void |
14dd3ad8 GS |
2483 | S_run_body(pTHX_ I32 oldscope) |
2484 | { | |
d3b97530 DM |
2485 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2486 | PL_sawampersand ? "Enabling" : "Omitting", | |
2487 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2488 | |
3280af22 | 2489 | if (!PL_restartop) { |
cf2782cd | 2490 | #ifdef DEBUGGING |
f0e3f042 CS |
2491 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2492 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2493 | if (!DEBUG_q_TEST) |
2494 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2495 | #endif |
6224f72b | 2496 | |
3280af22 | 2497 | if (PL_minus_c) { |
bf49b057 | 2498 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2499 | my_exit(0); |
2500 | } | |
3280af22 | 2501 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2502 | PL_DBsingle_iv = 1; |
9ebf26ad | 2503 | if (PL_initav) { |
ca7b837b | 2504 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2505 | call_list(oldscope, PL_initav); |
9ebf26ad | 2506 | } |
f1fac472 | 2507 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2508 | if (PL_main_root && PL_main_root->op_slabbed) |
2509 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2510 | #endif |
6224f72b GS |
2511 | } |
2512 | ||
2513 | /* do it */ | |
2514 | ||
ca7b837b | 2515 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2516 | |
3280af22 | 2517 | if (PL_restartop) { |
febb3a6d | 2518 | PL_restartjmpenv = NULL; |
533c011a | 2519 | PL_op = PL_restartop; |
3280af22 | 2520 | PL_restartop = 0; |
cea2e8a9 | 2521 | CALLRUNOPS(aTHX); |
6224f72b | 2522 | } |
3280af22 NIS |
2523 | else if (PL_main_start) { |
2524 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2525 | PL_op = PL_main_start; |
cea2e8a9 | 2526 | CALLRUNOPS(aTHX); |
6224f72b | 2527 | } |
f6b3007c | 2528 | my_exit(0); |
e5964223 | 2529 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2530 | } |
2531 | ||
954c1994 | 2532 | /* |
ccfc67b7 JH |
2533 | =head1 SV Manipulation Functions |
2534 | ||
954c1994 GS |
2535 | =for apidoc p||get_sv |
2536 | ||
64ace3f8 | 2537 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2538 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2539 | Perl variable does not exist then it will be created. If C<flags> is zero |
2540 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2541 | |
2542 | =cut | |
2543 | */ | |
2544 | ||
6224f72b | 2545 | SV* |
64ace3f8 | 2546 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2547 | { |
2548 | GV *gv; | |
7918f24d NC |
2549 | |
2550 | PERL_ARGS_ASSERT_GET_SV; | |
2551 | ||
64ace3f8 | 2552 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2553 | if (gv) |
2554 | return GvSV(gv); | |
a0714e2c | 2555 | return NULL; |
6224f72b GS |
2556 | } |
2557 | ||
954c1994 | 2558 | /* |
ccfc67b7 JH |
2559 | =head1 Array Manipulation Functions |
2560 | ||
954c1994 GS |
2561 | =for apidoc p||get_av |
2562 | ||
f0b90de1 SF |
2563 | Returns the AV of the specified Perl global or package array with the given |
2564 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2565 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2566 | Perl variable does not exist then it will be created. If C<flags> is zero |
2567 | and the variable does not exist then NULL is returned. | |
954c1994 | 2568 | |
f0b90de1 SF |
2569 | Perl equivalent: C<@{"$name"}>. |
2570 | ||
954c1994 GS |
2571 | =cut |
2572 | */ | |
2573 | ||
6224f72b | 2574 | AV* |
cbfd0a87 | 2575 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2576 | { |
cbfd0a87 | 2577 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2578 | |
2579 | PERL_ARGS_ASSERT_GET_AV; | |
2580 | ||
cbfd0a87 | 2581 | if (flags) |
6224f72b GS |
2582 | return GvAVn(gv); |
2583 | if (gv) | |
2584 | return GvAV(gv); | |
7d49f689 | 2585 | return NULL; |
6224f72b GS |
2586 | } |
2587 | ||
954c1994 | 2588 | /* |
ccfc67b7 JH |
2589 | =head1 Hash Manipulation Functions |
2590 | ||
954c1994 GS |
2591 | =for apidoc p||get_hv |
2592 | ||
6673a63c | 2593 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2594 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2595 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2596 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2597 | |
2598 | =cut | |
2599 | */ | |
2600 | ||
6224f72b | 2601 | HV* |
6673a63c | 2602 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2603 | { |
6673a63c | 2604 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2605 | |
2606 | PERL_ARGS_ASSERT_GET_HV; | |
2607 | ||
6673a63c | 2608 | if (flags) |
a0d0e21e LW |
2609 | return GvHVn(gv); |
2610 | if (gv) | |
2611 | return GvHV(gv); | |
5c284bb0 | 2612 | return NULL; |
a0d0e21e LW |
2613 | } |
2614 | ||
954c1994 | 2615 | /* |
ccfc67b7 JH |
2616 | =head1 CV Manipulation Functions |
2617 | ||
780a5241 NC |
2618 | =for apidoc p||get_cvn_flags |
2619 | ||
2620 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2621 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2622 | exist then it will be declared (which has the same effect as saying |
2623 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2624 | then NULL is returned. | |
2625 | ||
954c1994 GS |
2626 | =for apidoc p||get_cv |
2627 | ||
780a5241 | 2628 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2629 | |
2630 | =cut | |
2631 | */ | |
2632 | ||
a0d0e21e | 2633 | CV* |
780a5241 | 2634 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2635 | { |
780a5241 | 2636 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2637 | |
2638 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2639 | ||
334dda80 FC |
2640 | /* XXX this is probably not what they think they're getting. |
2641 | * It has the same effect as "sub name;", i.e. just a forward | |
2642 | * declaration! */ | |
780a5241 | 2643 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2644 | return newSTUB(gv,0); |
780a5241 | 2645 | } |
a0d0e21e | 2646 | if (gv) |
8ebc5c01 | 2647 | return GvCVu(gv); |
601f1833 | 2648 | return NULL; |
a0d0e21e LW |
2649 | } |
2650 | ||
2c67934f NC |
2651 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2652 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2653 | CV* |
2654 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2655 | { | |
7918f24d NC |
2656 | PERL_ARGS_ASSERT_GET_CV; |
2657 | ||
780a5241 NC |
2658 | return get_cvn_flags(name, strlen(name), flags); |
2659 | } | |
2660 | ||
79072805 LW |
2661 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2662 | ||
954c1994 | 2663 | /* |
ccfc67b7 JH |
2664 | |
2665 | =head1 Callback Functions | |
2666 | ||
954c1994 GS |
2667 | =for apidoc p||call_argv |
2668 | ||
f0b90de1 | 2669 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2670 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2671 | L<perlcall>. |
f0b90de1 SF |
2672 | |
2673 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2674 | |
2675 | =cut | |
2676 | */ | |
2677 | ||
a0d0e21e | 2678 | I32 |
5aaab254 | 2679 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2680 | |
8ac85365 NIS |
2681 | /* See G_* flags in cop.h */ |
2682 | /* null terminated arg list */ | |
8990e307 | 2683 | { |
a0d0e21e | 2684 | dSP; |
8990e307 | 2685 | |
7918f24d NC |
2686 | PERL_ARGS_ASSERT_CALL_ARGV; |
2687 | ||
924508f0 | 2688 | PUSHMARK(SP); |
3dc78631 DM |
2689 | while (*argv) { |
2690 | mXPUSHs(newSVpv(*argv,0)); | |
2691 | argv++; | |
8990e307 | 2692 | } |
3dc78631 | 2693 | PUTBACK; |
864dbfa3 | 2694 | return call_pv(sub_name, flags); |
8990e307 LW |
2695 | } |
2696 | ||
954c1994 GS |
2697 | /* |
2698 | =for apidoc p||call_pv | |
2699 | ||
2700 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2701 | ||
2702 | =cut | |
2703 | */ | |
2704 | ||
a0d0e21e | 2705 | I32 |
864dbfa3 | 2706 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2707 | /* name of the subroutine */ |
2708 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2709 | { |
7918f24d NC |
2710 | PERL_ARGS_ASSERT_CALL_PV; |
2711 | ||
0da0e728 | 2712 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2713 | } |
2714 | ||
954c1994 GS |
2715 | /* |
2716 | =for apidoc p||call_method | |
2717 | ||
2718 | Performs a callback to the specified Perl method. The blessed object must | |
2719 | be on the stack. See L<perlcall>. | |
2720 | ||
2721 | =cut | |
2722 | */ | |
2723 | ||
a0d0e21e | 2724 | I32 |
864dbfa3 | 2725 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2726 | /* name of the subroutine */ |
2727 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2728 | { |
46ca9bac | 2729 | STRLEN len; |
c106c2be | 2730 | SV* sv; |
7918f24d NC |
2731 | PERL_ARGS_ASSERT_CALL_METHOD; |
2732 | ||
46ca9bac | 2733 | len = strlen(methname); |
c106c2be RZ |
2734 | sv = flags & G_METHOD_NAMED |
2735 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2736 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2737 | |
c106c2be | 2738 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2739 | } |
2740 | ||
2741 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2742 | /* |
2743 | =for apidoc p||call_sv | |
2744 | ||
078e2213 TC |
2745 | Performs a callback to the Perl sub specified by the SV. |
2746 | ||
7c0c544c | 2747 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2748 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2749 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2750 | ||
2751 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2752 | C<SvPV(sv)> will be used as the name of the method to call. | |
2753 | ||
2754 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2755 | the name of the method to call. | |
2756 | ||
2757 | Some other values are treated specially for internal use and should | |
2758 | not be depended on. | |
2759 | ||
2760 | See L<perlcall>. | |
954c1994 GS |
2761 | |
2762 | =cut | |
2763 | */ | |
2764 | ||
a0d0e21e | 2765 | I32 |
001d637e | 2766 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2767 | /* See G_* flags in cop.h */ |
a0d0e21e | 2768 | { |
5b434c73 | 2769 | dVAR; |
a0d0e21e | 2770 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2771 | METHOP method_op; |
aa689395 | 2772 | I32 oldmark; |
8ea43dc8 | 2773 | VOL I32 retval = 0; |
54310121 | 2774 | bool oldcatch = CATCH_GET; |
6224f72b | 2775 | int ret; |
c4420975 | 2776 | OP* const oldop = PL_op; |
db36c5a1 | 2777 | dJMPENV; |
1e422769 | 2778 | |
7918f24d NC |
2779 | PERL_ARGS_ASSERT_CALL_SV; |
2780 | ||
a0d0e21e LW |
2781 | if (flags & G_DISCARD) { |
2782 | ENTER; | |
2783 | SAVETMPS; | |
2784 | } | |
2f8edad0 NC |
2785 | if (!(flags & G_WANT)) { |
2786 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2787 | */ | |
2788 | flags |= G_SCALAR; | |
2789 | } | |
a0d0e21e | 2790 | |
aa689395 | 2791 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2792 | if (!(flags & G_NOARGS)) |
aa689395 | 2793 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2794 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2795 | SAVEOP(); |
533c011a | 2796 | PL_op = (OP*)&myop; |
aa689395 | 2797 | |
8c9009ad | 2798 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2799 | dSP; |
2800 | EXTEND(SP, 1); | |
8c9009ad DD |
2801 | PUSHs(sv); |
2802 | PUTBACK; | |
5b434c73 | 2803 | } |
aa689395 | 2804 | oldmark = TOPMARK; |
a0d0e21e | 2805 | |
3280af22 | 2806 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2807 | /* Handle first BEGIN of -d. */ |
3280af22 | 2808 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2809 | /* Try harder, since this may have been a sighandler, thus |
2810 | * curstash may be meaningless. */ | |
ea726b52 | 2811 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2812 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2813 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2814 | |
c106c2be | 2815 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2816 | Zero(&method_op, 1, METHOP); |
2817 | method_op.op_next = (OP*)&myop; | |
2818 | PL_op = (OP*)&method_op; | |
c106c2be | 2819 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2820 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2821 | method_op.op_type = OP_METHOD_NAMED; | |
2822 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2823 | } else { |
b46e009d | 2824 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2825 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2826 | } |
2827 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2828 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2829 | } |
2830 | ||
312caa8e | 2831 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2832 | CATCH_SET(TRUE); |
d6f07c05 | 2833 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2834 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2835 | CATCH_SET(oldcatch); |
312caa8e CS |
2836 | } |
2837 | else { | |
8e90e786 | 2838 | I32 old_cxix; |
d78bda3d | 2839 | myop.op_other = (OP*)&myop; |
101d6365 | 2840 | (void)POPMARK; |
8e90e786 | 2841 | old_cxix = cxstack_ix; |
274ed8ae | 2842 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
c318a6ee | 2843 | INCMARK; |
a0d0e21e | 2844 | |
14dd3ad8 | 2845 | JMPENV_PUSH(ret); |
edb2152a | 2846 | |
6224f72b GS |
2847 | switch (ret) { |
2848 | case 0: | |
14dd3ad8 | 2849 | redo_body: |
d6f07c05 | 2850 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2851 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2852 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2853 | CLEAR_ERRSV(); |
8433848b | 2854 | } |
a0d0e21e | 2855 | break; |
6224f72b | 2856 | case 1: |
f86702cc | 2857 | STATUS_ALL_FAILURE; |
924ba076 | 2858 | /* FALLTHROUGH */ |
6224f72b | 2859 | case 2: |
a0d0e21e | 2860 | /* my_exit() was called */ |
03d9f026 | 2861 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2862 | FREETMPS; |
14dd3ad8 | 2863 | JMPENV_POP; |
f86702cc | 2864 | my_exit_jump(); |
e5964223 | 2865 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2866 | case 3: |
3280af22 | 2867 | if (PL_restartop) { |
febb3a6d | 2868 | PL_restartjmpenv = NULL; |
533c011a | 2869 | PL_op = PL_restartop; |
3280af22 | 2870 | PL_restartop = 0; |
312caa8e | 2871 | goto redo_body; |
a0d0e21e | 2872 | } |
3280af22 | 2873 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2874 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2875 | retval = 0; |
2876 | else { | |
2877 | retval = 1; | |
3280af22 | 2878 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2879 | } |
312caa8e | 2880 | break; |
a0d0e21e | 2881 | } |
a0d0e21e | 2882 | |
8e90e786 DM |
2883 | /* if we croaked, depending on how we croaked the eval scope |
2884 | * may or may not have already been popped */ | |
2885 | if (cxstack_ix > old_cxix) { | |
2886 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2887 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2888 | delete_eval_scope(); |
8e90e786 | 2889 | } |
14dd3ad8 | 2890 | JMPENV_POP; |
a0d0e21e | 2891 | } |
1e422769 | 2892 | |
a0d0e21e | 2893 | if (flags & G_DISCARD) { |
3280af22 | 2894 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2895 | retval = 0; |
2896 | FREETMPS; | |
2897 | LEAVE; | |
2898 | } | |
533c011a | 2899 | PL_op = oldop; |
a0d0e21e LW |
2900 | return retval; |
2901 | } | |
2902 | ||
6e72f9df | 2903 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2904 | |
954c1994 GS |
2905 | /* |
2906 | =for apidoc p||eval_sv | |
2907 | ||
72d33970 | 2908 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2909 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2910 | |
2911 | =cut | |
2912 | */ | |
2913 | ||
a0d0e21e | 2914 | I32 |
864dbfa3 | 2915 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2916 | |
8ac85365 | 2917 | /* See G_* flags in cop.h */ |
a0d0e21e | 2918 | { |
97aff369 | 2919 | dVAR; |
a0d0e21e | 2920 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2921 | VOL I32 oldmark; |
8ea43dc8 | 2922 | VOL I32 retval = 0; |
6224f72b | 2923 | int ret; |
c4420975 | 2924 | OP* const oldop = PL_op; |
db36c5a1 | 2925 | dJMPENV; |
84902520 | 2926 | |
7918f24d NC |
2927 | PERL_ARGS_ASSERT_EVAL_SV; |
2928 | ||
4633a7c4 LW |
2929 | if (flags & G_DISCARD) { |
2930 | ENTER; | |
2931 | SAVETMPS; | |
2932 | } | |
2933 | ||
462e5cf6 | 2934 | SAVEOP(); |
533c011a | 2935 | PL_op = (OP*)&myop; |
5ff48db8 | 2936 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
2937 | { |
2938 | dSP; | |
2939 | oldmark = SP - PL_stack_base; | |
2940 | EXTEND(SP, 1); | |
2941 | PUSHs(sv); | |
2942 | PUTBACK; | |
2943 | } | |
79072805 | 2944 | |
4633a7c4 LW |
2945 | if (!(flags & G_NOARGS)) |
2946 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2947 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2948 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2949 | if (flags & G_KEEPERR) |
2950 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2951 | |
2952 | if (flags & G_RE_REPARSING) | |
2953 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2954 | |
dedbcade | 2955 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 2956 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
2957 | TAINT_PROPER("eval_sv()"); |
2958 | ||
14dd3ad8 | 2959 | JMPENV_PUSH(ret); |
6224f72b GS |
2960 | switch (ret) { |
2961 | case 0: | |
14dd3ad8 | 2962 | redo_body: |
2ba65d5f DM |
2963 | if (PL_op == (OP*)(&myop)) { |
2964 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2965 | if (!PL_op) | |
2966 | goto fail; /* failed in compilation */ | |
2967 | } | |
4aca2f62 | 2968 | CALLRUNOPS(aTHX); |
312caa8e | 2969 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2970 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2971 | CLEAR_ERRSV(); |
8433848b | 2972 | } |
4633a7c4 | 2973 | break; |
6224f72b | 2974 | case 1: |
f86702cc | 2975 | STATUS_ALL_FAILURE; |
924ba076 | 2976 | /* FALLTHROUGH */ |
6224f72b | 2977 | case 2: |
4633a7c4 | 2978 | /* my_exit() was called */ |
03d9f026 | 2979 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2980 | FREETMPS; |
14dd3ad8 | 2981 | JMPENV_POP; |
f86702cc | 2982 | my_exit_jump(); |
e5964223 | 2983 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2984 | case 3: |
3280af22 | 2985 | if (PL_restartop) { |
febb3a6d | 2986 | PL_restartjmpenv = NULL; |
533c011a | 2987 | PL_op = PL_restartop; |
3280af22 | 2988 | PL_restartop = 0; |
312caa8e | 2989 | goto redo_body; |
4633a7c4 | 2990 | } |
4aca2f62 | 2991 | fail: |
3280af22 | 2992 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2993 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2994 | retval = 0; |
2995 | else { | |
2996 | retval = 1; | |
3280af22 | 2997 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2998 | } |
312caa8e | 2999 | break; |
4633a7c4 LW |
3000 | } |
3001 | ||
14dd3ad8 | 3002 | JMPENV_POP; |
4633a7c4 | 3003 | if (flags & G_DISCARD) { |
3280af22 | 3004 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
3005 | retval = 0; |
3006 | FREETMPS; | |
3007 | LEAVE; | |
3008 | } | |
533c011a | 3009 | PL_op = oldop; |
4633a7c4 LW |
3010 | return retval; |
3011 | } | |
3012 | ||
954c1994 GS |
3013 | /* |
3014 | =for apidoc p||eval_pv | |
3015 | ||
422791e4 | 3016 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
3017 | |
3018 | =cut | |
3019 | */ | |
3020 | ||
137443ea | 3021 | SV* |
864dbfa3 | 3022 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 3023 | { |
137443ea | 3024 | SV* sv = newSVpv(p, 0); |
3025 | ||
7918f24d NC |
3026 | PERL_ARGS_ASSERT_EVAL_PV; |
3027 | ||
864dbfa3 | 3028 | eval_sv(sv, G_SCALAR); |
137443ea | 3029 | SvREFCNT_dec(sv); |
3030 | ||
ed1786ad DD |
3031 | { |
3032 | dSP; | |
3033 | sv = POPs; | |
3034 | PUTBACK; | |
3035 | } | |
137443ea | 3036 | |
eed484f9 DD |
3037 | /* just check empty string or undef? */ |
3038 | if (croak_on_error) { | |
3039 | SV * const errsv = ERRSV; | |
3040 | if(SvTRUE_NN(errsv)) | |
3041 | /* replace with croak_sv? */ | |
3042 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3043 | } |
137443ea | 3044 | |
3045 | return sv; | |
3046 | } | |
3047 | ||
4633a7c4 LW |
3048 | /* Require a module. */ |
3049 | ||
954c1994 | 3050 | /* |
ccfc67b7 JH |
3051 | =head1 Embedding Functions |
3052 | ||
954c1994 GS |
3053 | =for apidoc p||require_pv |
3054 | ||
7d3fb230 BS |
3055 | Tells Perl to C<require> the file named by the string argument. It is |
3056 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3057 | implemented that way; consider using load_module instead. |
954c1994 | 3058 | |
7d3fb230 | 3059 | =cut */ |
954c1994 | 3060 | |
4633a7c4 | 3061 | void |
864dbfa3 | 3062 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3063 | { |
d3acc0f7 | 3064 | dSP; |
97aff369 | 3065 | SV* sv; |
7918f24d NC |
3066 | |
3067 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3068 | ||
e788e7d3 | 3069 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3070 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3071 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3072 | POPSTACK; |
79072805 LW |
3073 | } |
3074 | ||
76e3520e | 3075 | STATIC void |
b6f82619 | 3076 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3077 | { |
ab821d7f | 3078 | /* This message really ought to be max 23 lines. |
75c72d73 | 3079 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3080 | |
1566c39d NC |
3081 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3082 | minimum of 509 character string literals. */ | |
27da23d5 | 3083 | static const char * const usage_msg[] = { |
1566c39d NC |
3084 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3085 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3086 | " -C[number/list] enables the listed Unicode features\n" | |
3087 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3088 | " -d[:debugger] run program under debugger\n" | |
3089 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3090 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3091 | " -E program like -e, but enables all optional features\n" | |
3092 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3093 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3094 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3095 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3096 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3097 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3098 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3099 | " -p assume loop like -n but print line also, like sed\n" | |
3100 | " -s enable rudimentary parsing for switches after programfile\n" | |
3101 | " -S look for programfile using PATH environment variable\n", | |
3102 | " -t enable tainting warnings\n" | |
3103 | " -T enable tainting checks\n" | |
3104 | " -u dump core after parsing program\n" | |
3105 | " -U allow unsafe operations\n" | |
3106 | " -v print version, patchlevel and license\n" | |
3107 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3108 | " -w enable many useful warnings\n" |
1566c39d NC |
3109 | " -W enable all warnings\n" |
3110 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3111 | " -X disable all warnings\n" | |
3112 | " \n" | |
3113 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3114 | NULL |
3115 | }; | |
27da23d5 | 3116 | const char * const *p = usage_msg; |
1566c39d | 3117 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3118 | |
1566c39d NC |
3119 | PerlIO_printf(out, |
3120 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3121 | PL_origargv[0]); |
fb73857a | 3122 | while (*p) |
1566c39d | 3123 | PerlIO_puts(out, *p++); |
b6f82619 | 3124 | my_exit(0); |
4633a7c4 LW |
3125 | } |
3126 | ||
b4ab917c DM |
3127 | /* convert a string of -D options (or digits) into an int. |
3128 | * sets *s to point to the char after the options */ | |
3129 | ||
3130 | #ifdef DEBUGGING | |
3131 | int | |
e1ec3a88 | 3132 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3133 | { |
27da23d5 | 3134 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3135 | " Debugging flag values: (see also -d)\n" |
3136 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3137 | " s Stack snapshots (with v, displays all stacks)\n" | |
3138 | " l Context (loop) stack processing\n" | |
3139 | " t Trace execution\n" | |
3140 | " o Method and overloading resolution\n", | |
3141 | " c String/numeric conversions\n" | |
3142 | " P Print profiling info, source file input state\n" | |
3143 | " m Memory and SV allocation\n" | |
3144 | " f Format processing\n" | |
3145 | " r Regular expression parsing and execution\n" | |
3146 | " x Syntax tree dump\n", | |
3147 | " u Tainting checks\n" | |
3148 | " H Hash dump -- usurps values()\n" | |
3149 | " X Scratchpad allocation\n" | |
3150 | " D Cleaning up\n" | |
56967202 | 3151 | " S Op slab allocation\n" |
651b8f1a NC |
3152 | " T Tokenising\n" |
3153 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3154 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3155 | " v Verbose: use in conjunction with other flags\n" | |
3156 | " C Copy On Write\n" | |
3157 | " A Consistency checks on internal structures\n" | |
3158 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3159 | " M trace smart match resolution\n" | |
3160 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3161 | " L trace some locale setting information--for Perl core development\n", |
e17bc05a | 3162 | " i trace PerlIO layer processing\n", |
e6e64d9b JC |
3163 | NULL |
3164 | }; | |
22ff3130 | 3165 | UV uv = 0; |
7918f24d NC |
3166 | |
3167 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3168 | ||
b4ab917c DM |
3169 | if (isALPHA(**s)) { |
3170 | /* if adding extra options, remember to update DEBUG_MASK */ | |
e17bc05a | 3171 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBLi"; |
b4ab917c | 3172 | |
0eb30aeb | 3173 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3174 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3175 | if (d) |
22ff3130 | 3176 | uv |= 1 << (d - debopts); |
b4ab917c | 3177 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3178 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3179 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3180 | } |
3181 | } | |
e6e64d9b | 3182 | else if (isDIGIT(**s)) { |
96e440d2 | 3183 | const char* e; |
22ff3130 | 3184 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3185 | *s = e; |
0eb30aeb | 3186 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3187 | } |
ddcf8bc1 | 3188 | else if (givehelp) { |
06e869a4 | 3189 | const char *const *p = usage_msgd; |
651b8f1a | 3190 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3191 | } |
22ff3130 | 3192 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3193 | } |
3194 | #endif | |
3195 | ||
79072805 LW |
3196 | /* This routine handles any switches that can be given during run */ |
3197 | ||
c7030b81 NC |
3198 | const char * |
3199 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3200 | { |
27da23d5 | 3201 | dVAR; |
84c133a0 | 3202 | UV rschar; |
0544e6df | 3203 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3204 | |
7918f24d NC |
3205 | PERL_ARGS_ASSERT_MORESWITCHES; |
3206 | ||
79072805 LW |
3207 | switch (*s) { |
3208 | case '0': | |
a863c7d1 | 3209 | { |
f2095865 | 3210 | I32 flags = 0; |
a3b680e6 | 3211 | STRLEN numlen; |
f2095865 JH |
3212 | |
3213 | SvREFCNT_dec(PL_rs); | |
3214 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3215 | const char *e = s+=2; |
f2095865 JH |
3216 | U8 *tmps; |
3217 | ||
a3b680e6 AL |
3218 | while (*e) |
3219 | e++; | |
f2095865 JH |
3220 | numlen = e - s; |
3221 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3222 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3223 | if (s + numlen < e) { | |
3224 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3225 | numlen = 0; | |
3226 | s--; | |
3227 | } | |
396482e1 | 3228 | PL_rs = newSVpvs(""); |
10656159 | 3229 | tmps = (U8*) SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 | 3230 | uvchr_to_utf8(tmps, rschar); |
5f560d8a | 3231 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3232 | SvUTF8_on(PL_rs); |
3233 | } | |
3234 | else { | |
3235 | numlen = 4; | |
3236 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3237 | if (rschar & ~((U8)~0)) | |
3238 | PL_rs = &PL_sv_undef; | |
3239 | else if (!rschar && numlen >= 2) | |
396482e1 | 3240 | PL_rs = newSVpvs(""); |
f2095865 JH |
3241 | else { |
3242 | char ch = (char)rschar; | |
3243 | PL_rs = newSVpvn(&ch, 1); | |
3244 | } | |
3245 | } | |
64ace3f8 | 3246 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3247 | return s + numlen; |
a863c7d1 | 3248 | } |
46487f74 | 3249 | case 'C': |
a05d7ebb | 3250 | s++; |
dd374669 | 3251 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3252 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3253 | PL_utf8cache = -1; | |
46487f74 | 3254 | return s; |
2304df62 | 3255 | case 'F': |
5fc691f1 | 3256 | PL_minus_a = TRUE; |
3280af22 | 3257 | PL_minus_F = TRUE; |
24ffa309 | 3258 | PL_minus_n = TRUE; |
ebce5377 RGS |
3259 | PL_splitstr = ++s; |
3260 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3261 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3262 | return s; |
79072805 | 3263 | case 'a': |
3280af22 | 3264 | PL_minus_a = TRUE; |
24ffa309 | 3265 | PL_minus_n = TRUE; |
79072805 LW |
3266 | s++; |
3267 | return s; | |
3268 | case 'c': | |
3280af22 | 3269 | PL_minus_c = TRUE; |
79072805 LW |
3270 | s++; |
3271 | return s; | |
3272 | case 'd': | |
f20b2998 | 3273 | forbid_setid('d', FALSE); |
4633a7c4 | 3274 | s++; |
2cbb2ee1 RGS |
3275 | |
3276 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3277 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3278 | ++s; |
3279 | my_setenv("PERL5DB_THREADED", "1"); | |
3280 | } | |
3281 | ||
70c94a19 RR |
3282 | /* The following permits -d:Mod to accepts arguments following an = |
3283 | in the fashion that -MSome::Mod does. */ | |
3284 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3285 | const char *start; |
3286 | const char *end; | |
3287 | SV *sv; | |
3288 | ||
3289 | if (*++s == '-') { | |
3290 | ++s; | |
3291 | sv = newSVpvs("no Devel::"); | |
3292 | } else { | |
3293 | sv = newSVpvs("use Devel::"); | |
3294 | } | |
3295 | ||
3296 | start = s; | |
3297 | end = s + strlen(s); | |
f85893a1 | 3298 | |
b19934fb | 3299 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3300 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3301 | if (*s != '=') |
f85893a1 | 3302 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3303 | else { |
3304 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3305 | /* Don't use NUL as q// delimiter here, this string goes in the |
3306 | * environment. */ | |
3307 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3308 | } |
f85893a1 | 3309 | s = end; |
184f32ec | 3310 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3311 | SvREFCNT_dec(sv); |
4633a7c4 | 3312 | } |
ed094faf | 3313 | if (!PL_perldb) { |
3280af22 | 3314 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3315 | init_debugger(); |
ed094faf | 3316 | } |
79072805 LW |
3317 | return s; |
3318 | case 'D': | |
0453d815 | 3319 | { |
79072805 | 3320 | #ifdef DEBUGGING |
f20b2998 | 3321 | forbid_setid('D', FALSE); |
b4ab917c | 3322 | s++; |
dd374669 | 3323 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3324 | #else /* !DEBUGGING */ |
0453d815 | 3325 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3326 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3327 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3328 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3329 | #endif |
79072805 | 3330 | return s; |
2b5060ae | 3331 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3332 | } |
4633a7c4 | 3333 | case 'h': |
b6f82619 | 3334 | usage(); |
2b5060ae DM |
3335 | NOT_REACHED; /* NOTREACHED */ |
3336 | ||
79072805 | 3337 | case 'i': |
43c5f42d | 3338 | Safefree(PL_inplace); |
c030f24b GH |
3339 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3340 | if (*(s+1) == '\0') { | |
c86a4f2e | 3341 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3342 | return s+1; |
3343 | } | |
3344 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3345 | { |
d4c19fe8 | 3346 | const char * const start = ++s; |
5ef5d758 NC |
3347 | while (*s && !isSPACE(*s)) |
3348 | ++s; | |
3349 | ||
3350 | PL_inplace = savepvn(start, s - start); | |
3351 | } | |
fb73857a | 3352 | return s; |
4e49a025 | 3353 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3354 | forbid_setid('I', FALSE); |
fb73857a | 3355 | ++s; |
3356 | while (*s && isSPACE(*s)) | |
3357 | ++s; | |
3358 | if (*s) { | |
c7030b81 | 3359 | const char *e, *p; |
0df16ed7 GS |
3360 | p = s; |
3361 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3362 | do { | |
3363 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3364 | p = e; | |
3365 | while (isSPACE(*p)) | |
3366 | p++; | |
3367 | } while (*p && *p != '-'); | |
55b4bc1c | 3368 | incpush(s, e-s, |
e28f3139 | 3369 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3370 | s = p; |
3371 | if (*s == '-') | |
3372 | s++; | |
79072805 LW |
3373 | } |
3374 | else | |
a67e862a | 3375 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3376 | return s; |
79072805 | 3377 | case 'l': |
3280af22 | 3378 | PL_minus_l = TRUE; |
79072805 | 3379 | s++; |
7889fe52 NIS |
3380 | if (PL_ors_sv) { |
3381 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3382 | PL_ors_sv = NULL; |
7889fe52 | 3383 | } |
79072805 | 3384 | if (isDIGIT(*s)) { |
53305cf1 | 3385 | I32 flags = 0; |
a3b680e6 | 3386 | STRLEN numlen; |
396482e1 | 3387 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3388 | numlen = 3 + (*s == '0'); |
3389 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3390 | s += numlen; |
3391 | } | |
3392 | else { | |
8bfdd7d9 | 3393 | if (RsPARA(PL_rs)) { |
396482e1 | 3394 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3395 | } |
3396 | else { | |
8bfdd7d9 | 3397 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3398 | } |
79072805 LW |
3399 | } |
3400 | return s; | |
1a30305b | 3401 | case 'M': |
f20b2998 | 3402 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3403 | /* FALLTHROUGH */ |
1a30305b | 3404 | case 'm': |
f20b2998 | 3405 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3406 | if (*++s) { |
c7030b81 | 3407 | const char *start; |
b64cb68c | 3408 | const char *end; |
11343788 | 3409 | SV *sv; |
e1ec3a88 | 3410 | const char *use = "use "; |
0544e6df | 3411 | bool colon = FALSE; |
a5f75d66 | 3412 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3413 | /* Leading space on " no " is deliberate, to make both |
3414 | possibilities the same length. */ | |
3415 | if (*s == '-') { use = " no "; ++s; } | |
3416 | sv = newSVpvn(use,4); | |
a5f75d66 | 3417 | start = s; |
1a30305b | 3418 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3419 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3420 | if( *s++ == ':' ) { |
3421 | if( *s == ':' ) | |
3422 | s++; | |
3423 | else | |
3424 | colon = TRUE; | |
3425 | } | |
3426 | } | |
3427 | if (s == start) | |
3428 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3429 | option); | |
3430 | if (colon) | |
3431 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3432 | "contains single ':'", | |
63da6837 | 3433 | (int)(s - start), start, option); |
b64cb68c | 3434 | end = s + strlen(s); |
c07a80fd | 3435 | if (*s != '=') { |
b64cb68c | 3436 | sv_catpvn(sv, start, end - start); |
0544e6df | 3437 | if (option == 'm') { |
c07a80fd | 3438 | if (*s != '\0') |
cea2e8a9 | 3439 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3440 | sv_catpvs( sv, " ()"); |
c07a80fd | 3441 | } |
3442 | } else { | |
11343788 | 3443 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3444 | /* Use NUL as q''-delimiter. */ |
3445 | sv_catpvs(sv, " split(/,/,q\0"); | |
3446 | ++s; | |
3447 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3448 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3449 | } |
b64cb68c | 3450 | s = end; |
29a861e7 | 3451 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3452 | } |
3453 | else | |
0544e6df | 3454 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3455 | return s; |
79072805 | 3456 | case 'n': |
3280af22 | 3457 | PL_minus_n = TRUE; |
79072805 LW |
3458 | s++; |
3459 | return s; | |
3460 | case 'p': | |
3280af22 | 3461 | PL_minus_p = TRUE; |
79072805 LW |
3462 | s++; |
3463 | return s; | |
3464 | case 's': | |
f20b2998 | 3465 | forbid_setid('s', FALSE); |
3280af22 | 3466 | PL_doswitches = TRUE; |
79072805 LW |
3467 | s++; |
3468 | return s; | |
6537fe72 | 3469 | case 't': |
27a6968b | 3470 | case 'T': |
dc6d7f5c | 3471 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3472 | /* silently ignore */ |
dc6d7f5c | 3473 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3474 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3475 | "Cowardly refusing to run with -t or -T flags"); |
3476 | #else | |
3477 | if (!TAINTING_get) | |
27a6968b | 3478 | TOO_LATE_FOR(*s); |
284167a5 | 3479 | #endif |
6537fe72 | 3480 | s++; |
463ee0b2 | 3481 | return s; |
79072805 | 3482 | case 'u': |
3280af22 | 3483 | PL_do_undump = TRUE; |
79072805 LW |
3484 | s++; |
3485 | return s; | |
3486 | case 'U': | |
3280af22 | 3487 | PL_unsafe = TRUE; |
79072805 LW |
3488 | s++; |
3489 | return s; | |
3490 | case 'v': | |
c4bc78d9 NC |
3491 | minus_v(); |
3492 | case 'w': | |
3493 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3494 | PL_dowarn |= G_WARN_ON; | |
3495 | } | |
3496 | s++; | |
3497 | return s; | |
3498 | case 'W': | |
3499 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3500 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3501 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3502 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3503 | s++; | |
3504 | return s; | |
3505 | case 'X': | |
3506 | PL_dowarn = G_WARN_ALL_OFF; | |
3507 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3508 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3509 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3510 | s++; | |
3511 | return s; | |
3512 | case '*': | |
3513 | case ' ': | |
3514 | while( *s == ' ' ) | |
3515 | ++s; | |
3516 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3517 | return s+1; | |
3518 | break; | |
3519 | case '-': | |
3520 | case 0: | |
3521 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3522 | case '\r': | |
3523 | #endif | |
3524 | case '\n': | |
3525 | case '\t': | |
3526 | break; | |
3527 | #ifdef ALTERNATE_SHEBANG | |
3528 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3529 | break; | |
3530 | #endif | |
4bb78d63 CB |
3531 | case 'e': case 'f': case 'x': case 'E': |
3532 | #ifndef ALTERNATE_SHEBANG | |
3533 | case 'S': | |
3534 | #endif | |
3535 | case 'V': | |
c4bc78d9 | 3536 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3537 | default: |
3538 | Perl_croak(aTHX_ | |
3539 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3540 | ); | |
c4bc78d9 NC |
3541 | } |
3542 | return NULL; | |
3543 | } | |
3544 | ||
3545 | ||
3546 | STATIC void | |
3547 | S_minus_v(pTHX) | |
3548 | { | |
fc3381af | 3549 | PerlIO * PIO_stdout; |
46807d8e | 3550 | { |
709aee94 DD |
3551 | const char * const level_str = "v" PERL_VERSION_STRING; |
3552 | const STRLEN level_len = sizeof("v" PERL_VERSION_STRING)-1; | |
46807d8e | 3553 | #ifdef PERL_PATCHNUM |
709aee94 | 3554 | SV* level; |
23d483e2 | 3555 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
709aee94 | 3556 | static const char num [] = PERL_PATCHNUM "*"; |
23d483e2 | 3557 | # else |
709aee94 | 3558 | static const char num [] = PERL_PATCHNUM; |
23d483e2 | 3559 | # endif |
fc3381af | 3560 | { |
709aee94 DD |
3561 | const STRLEN num_len = sizeof(num)-1; |
3562 | /* A very advanced compiler would fold away the strnEQ | |
3563 | and this whole conditional, but most (all?) won't do it. | |
3564 | SV level could also be replaced by with preprocessor | |
3565 | catenation. | |
3566 | */ | |
3567 | if (num_len >= level_len && strnEQ(num,level_str,level_len)) { | |
3568 | /* per 46807d8e80, PERL_PATCHNUM is outside of the control | |
3569 | of the interp so it might contain format characters | |
3570 | */ | |
3571 | level = newSVpvn(num, num_len); | |
fc3381af | 3572 | } else { |
709aee94 | 3573 | level = Perl_newSVpvf_nocontext("%s (%s)", level_str, num); |
fc3381af | 3574 | } |
46807d8e | 3575 | } |
709aee94 DD |
3576 | #else |
3577 | SV* level = newSVpvn(level_str, level_len); | |
3578 | #endif /* #ifdef PERL_PATCHNUM */ | |
fc3381af DD |
3579 | PIO_stdout = PerlIO_stdout(); |
3580 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3581 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3582 | ", version " STRINGIFY(PERL_VERSION) | |
3583 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
c1f6cd39 | 3584 | " (%"SVf") built for " ARCHNAME, SVfARG(level) |
ded326e4 | 3585 | ); |
709aee94 | 3586 | SvREFCNT_dec_NN(level); |
46807d8e | 3587 | } |
fb73857a | 3588 | #if defined(LOCAL_PATCH_COUNT) |
3589 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3590 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3591 | "\n(with %d registered patch%s, " |
3592 | "see perl -V for more detail)", | |
bb7a0f54 | 3593 | LOCAL_PATCH_COUNT, |
b0e47665 | 3594 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3595 | #endif |
1a30305b | 3596 | |
fc3381af | 3597 | PerlIO_printf(PIO_stdout, |
7a2bbcbf | 3598 | "\n\nCopyright 1987-2016, Larry Wall\n"); |
79072805 | 3599 | #ifdef MSDOS |
fc3381af | 3600 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3601 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3602 | #endif |
3603 | #ifdef DJGPP | |
fc3381af | 3604 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3605 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3606 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3607 | #endif |
79072805 | 3608 | #ifdef OS2 |
fc3381af | 3609 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3610 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3611 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3612 | #endif |
9d116dd7 | 3613 | #ifdef OEMVS |
fc3381af | 3614 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3615 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3616 | #endif |
495c5fdc | 3617 | #ifdef __VOS__ |
fc3381af | 3618 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3619 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3620 | #endif |
a1a0e61e | 3621 | #ifdef POSIX_BC |
fc3381af | 3622 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3623 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3624 | #endif |
e1caacb4 | 3625 | #ifdef UNDER_CE |
fc3381af DD |
3626 | PerlIO_printf(PIO_stdout, |
3627 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3628 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3629 | wce_hitreturn(); |
3630 | #endif | |
a0fd4948 | 3631 | #ifdef __SYMBIAN32__ |
fc3381af | 3632 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3633 | "Symbian port by Nokia, 2004-2005\n"); |
3634 | #endif | |
baed7233 DL |
3635 | #ifdef BINARY_BUILD_NOTICE |
3636 | BINARY_BUILD_NOTICE; | |
3637 | #endif | |
fc3381af | 3638 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3639 | "\n\ |
79072805 | 3640 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3641 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3642 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3643 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3644 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3645 | my_exit(0); |
79072805 LW |
3646 | } |
3647 | ||
3648 | /* compliments of Tom Christiansen */ | |
3649 | ||
3650 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3651 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3652 | |
25bbd826 CB |
3653 | #ifdef VMS |
3654 | #include <lib$routines.h> | |
3655 | #endif | |
3656 | ||
79072805 | 3657 | void |
864dbfa3 | 3658 | Perl_my_unexec(pTHX) |
79072805 LW |
3659 | { |
3660 | #ifdef UNEXEC | |
b37c2d43 AL |
3661 | SV * prog = newSVpv(BIN_EXP, 0); |
3662 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3663 | int status = 1; |
79072805 LW |
3664 | extern int etext; |
3665 | ||
396482e1 | 3666 | sv_catpvs(prog, "/perl"); |
396482e1 | 3667 | sv_catpvs(file, ".perldump"); |
79072805 | 3668 | |
ee580363 GS |
3669 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3670 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3671 | PerlProc_exit(status); |
79072805 | 3672 | #else |
ddeaf645 | 3673 | PERL_UNUSED_CONTEXT; |
a5f75d66 | 3674 | # ifdef VMS |
a5f75d66 | 3675 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 | 3676 | # elif defined(WIN32) || defined(__CYGWIN__) |
ddeaf645 | 3677 | Perl_croak_nocontext("dump is not supported"); |
aa689395 | 3678 | # else |
79072805 | 3679 | ABORT(); /* for use with undump */ |
aa689395 | 3680 | # endif |
a5f75d66 | 3681 | #endif |
79072805 LW |
3682 | } |
3683 | ||
cb68f92d GS |
3684 | /* initialize curinterp */ |
3685 | STATIC void | |
cea2e8a9 | 3686 | S_init_interp(pTHX) |
cb68f92d | 3687 | { |
acfe0abc | 3688 | #ifdef MULTIPLICITY |
115ff745 NC |
3689 | # define PERLVAR(prefix,var,type) |
3690 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3691 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3692 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3693 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3694 | # else |
115ff745 NC |
3695 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3696 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3697 | # endif |
acfe0abc | 3698 | # include "intrpvar.h" |
acfe0abc GS |
3699 | # undef PERLVAR |
3700 | # undef PERLVARA | |
3701 | # undef PERLVARI | |
3702 | # undef PERLVARIC | |
3703 | #else | |
115ff745 NC |
3704 | # define PERLVAR(prefix,var,type) |
3705 | # define PERLVARA(prefix,var,n,type) | |
3706 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3707 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3708 | # include "intrpvar.h" |
acfe0abc GS |
3709 | # undef PERLVAR |
3710 | # undef PERLVARA | |
3711 | # undef PERLVARI | |
3712 | # undef PERLVARIC | |
cb68f92d GS |
3713 | #endif |
3714 | ||
cb68f92d GS |
3715 | } |
3716 | ||
76e3520e | 3717 | STATIC void |
cea2e8a9 | 3718 | S_init_main_stash(pTHX) |
79072805 | 3719 | { |
463ee0b2 | 3720 | GV *gv; |
6e72f9df | 3721 | |
03d9f026 | 3722 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3723 | /* We know that the string "main" will be in the global shared string |
3724 | table, so it's a small saving to use it rather than allocate another | |
3725 | 8 bytes. */ | |
18916d0d | 3726 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3727 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3728 | /* If we hadn't caused another reference to "main" to be in the shared |
3729 | string table above, then it would be worth reordering these two, | |
3730 | because otherwise all we do is delete "main" from it as a consequence | |
3731 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3732 | SvREFCNT_dec(GvHV(gv)); |
854da30f | 3733 | hv_name_sets(PL_defstash, "main", 0); |
85fbaab2 | 3734 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3735 | SvREADONLY_on(gv); |
fafc274c NC |
3736 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3737 | SVt_PVAV))); | |
5a5094bd | 3738 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3739 | GvMULTI_on(PL_incgv); |
fafc274c | 3740 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3741 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3742 | GvMULTI_on(PL_hintgv); |
fafc274c | 3743 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3744 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3745 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3746 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3747 | GvMULTI_on(PL_errgv); |
fafc274c | 3748 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3749 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3750 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3751 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 | 3752 | #ifdef PERL_DONT_CREATE_GVSV |
689fbe18 | 3753 | (void)gv_SVadd(PL_errgv); |
c69033f2 | 3754 | #endif |
38a03e6e | 3755 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3756 | CLEAR_ERRSV(); |
03d9f026 | 3757 | SET_CURSTASH(PL_defstash); |
11faa288 | 3758 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3759 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3760 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3761 | SVt_PVHV)); | |
4633a7c4 | 3762 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3763 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3764 | } |
3765 | ||
8d113837 NC |
3766 | STATIC PerlIO * |
3767 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3768 | { |
fdf5d70d | 3769 | int fdscript = -1; |
8d113837 | 3770 | PerlIO *rsfp = NULL; |
1dfef69b | 3771 | Stat_t tmpstatbuf; |
375ed12a | 3772 | int fd; |
1b24ed4b | 3773 | |
7918f24d NC |
3774 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3775 | ||
3280af22 | 3776 | if (PL_e_script) { |
8afc33d6 | 3777 | PL_origfilename = savepvs("-e"); |
96436eeb | 3778 | } |
6c4ab083 | 3779 | else { |
22ff3130 HS |
3780 | const char *s; |
3781 | UV uv; | |
6c4ab083 | 3782 | /* if find_script() returns, it returns a malloc()-ed value */ |
dd374669 | 3783 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 | 3784 | |
854da30f | 3785 | if (strEQs(scriptname, "/dev/fd/") |
22ff3130 HS |
3786 | && isDIGIT(scriptname[8]) |
3787 | && grok_atoUV(scriptname + 8, &uv, &s) | |
3788 | && uv <= PERL_INT_MAX | |
3789 | ) { | |
3790 | fdscript = (int)uv; | |
6c4ab083 | 3791 | if (*s) { |
ae3f3efd PS |
3792 | /* PSz 18 Feb 04 |
3793 | * Tell apart "normal" usage of fdscript, e.g. | |
3794 | * with bash on FreeBSD: | |
3795 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3796 | * from usage in suidperl. | |
3797 | * Does any "normal" usage leave garbage after the number??? | |
3798 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3799 | * suidperl? | |
3800 | */ | |
f20b2998 | 3801 | *suidscript = TRUE; |
ae3f3efd PS |
3802 | /* PSz 20 Feb 04 |
3803 | * Be supersafe and do some sanity-checks. | |
3804 | * Still, can we be sure we got the right thing? | |
3805 | */ | |
3806 | if (*s != '/') { | |
3807 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3808 | } | |
3809 | if (! *(s+1)) { | |
3810 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3811 | } | |
6c4ab083 | 3812 | scriptname = savepv(s + 1); |
3280af22 | 3813 | Safefree(PL_origfilename); |
dd374669 | 3814 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3815 | } |
3816 | } | |
3817 | } | |
3818 | ||
05ec9bb3 | 3819 | CopFILE_free(PL_curcop); |
57843af0 | 3820 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3821 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3822 | scriptname = (char *)""; |
fdf5d70d | 3823 | if (fdscript >= 0) { |
8d113837 | 3824 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3825 | } |
79072805 | 3826 | else if (!*scriptname) { |
cdd8118e | 3827 | forbid_setid(0, *suidscript); |
c0b3891a | 3828 | return NULL; |
79072805 | 3829 | } |
96436eeb | 3830 | else { |
9c12f1e5 RGS |
3831 | #ifdef FAKE_BIT_BUCKET |
3832 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3833 | * is called) and still have the "-e" work. (Believe it or not, | |
3834 | * a /dev/null is required for the "-e" to work because source | |
3835 | * filter magic is used to implement it. ) This is *not* a general | |
3836 | * replacement for a /dev/null. What we do here is create a temp | |
3837 | * file (an empty file), open up that as the script, and then | |
3838 | * immediately close and unlink it. Close enough for jazz. */ | |
3839 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3840 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3841 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3842 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3843 | FAKE_BIT_BUCKET_TEMPLATE | |
3844 | }; | |
3845 | const char * const err = "Failed to create a fake bit bucket"; | |
3846 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3847 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
e57270be | 3848 | int old_umask = umask(0177); |
9c12f1e5 | 3849 | int tmpfd = mkstemp(tmpname); |
60f7fc1e | 3850 | umask(old_umask); |
9c12f1e5 RGS |
3851 | if (tmpfd > -1) { |
3852 | scriptname = tmpname; | |
3853 | close(tmpfd); | |
3854 | } else | |
3855 | Perl_croak(aTHX_ err); | |
3856 | #else | |
3857 | # ifdef HAS_MKTEMP | |
3858 | scriptname = mktemp(tmpname); | |
3859 | if (!scriptname) | |
3860 | Perl_croak(aTHX_ err); | |
3861 | # endif | |
3862 | #endif | |
3863 | } | |
3864 | #endif | |
8d113837 | 3865 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3866 | #ifdef FAKE_BIT_BUCKET |
3867 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3868 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3869 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3870 | unlink(scriptname); | |
3871 | } | |
3872 | scriptname = BIT_BUCKET; | |
3873 | #endif | |
96436eeb | 3874 | } |
8d113837 | 3875 | if (!rsfp) { |
447218f8 | 3876 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3877 | if (PL_e_script) |
3878 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3879 | else | |
3880 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3881 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3882 | } |
375ed12a | 3883 | fd = PerlIO_fileno(rsfp); |
131d45a9 | 3884 | #if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC) |
375ed12a JH |
3885 | if (fd >= 0) { |
3886 | /* ensure close-on-exec */ | |
131d45a9 | 3887 | if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { |
375ed12a JH |
3888 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3889 | CopFILE(PL_curcop), Strerror(errno)); | |
3890 | } | |
3891 | } | |
a7c81930 | 3892 | #endif |
1dfef69b | 3893 | |
375ed12a JH |
3894 | if (fd < 0 || |
3895 | (PerlLIO_fstat(fd, &tmpstatbuf) >= 0 | |
3896 | && S_ISDIR(tmpstatbuf.st_mode))) | |
1dfef69b RS |
3897 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3898 | CopFILE(PL_curcop), | |
0c0d42ff | 3899 | Strerror(EISDIR)); |
1dfef69b | 3900 | |
8d113837 | 3901 | return rsfp; |
79072805 | 3902 | } |
8d063cd8 | 3903 | |
ea442100 JH |
3904 | /* Mention |
3905 | * I_SYSSTATVFS HAS_FSTATVFS | |
3906 | * I_SYSMOUNT | |
3907 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT | |
3908 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
3909 | * here so that metaconfig picks them up. */ | |
3910 | ||
3911 | ||
cc69b689 | 3912 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3913 | /* Don't even need this function. */ |
cc69b689 | 3914 | #else |
ec2019ad NC |
3915 | STATIC void |
3916 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3917 | { | |
dfff4baf BF |
3918 | const Uid_t my_uid = PerlProc_getuid(); |
3919 | const Uid_t my_euid = PerlProc_geteuid(); | |
3920 | const Gid_t my_gid = PerlProc_getgid(); | |
3921 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3922 | |
ac076a5c NC |
3923 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3924 | ||
985213f2 | 3925 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da | 3926 | dVAR; |
375ed12a | 3927 | int fd = PerlIO_fileno(rsfp); |
45a23732 DD |
3928 | Stat_t statbuf; |
3929 | if (fd < 0 || PerlLIO_fstat(fd, &statbuf) < 0) { /* may be either wrapped or real suid */ | |
3930 | Perl_croak_nocontext( "Illegal suidscript"); | |
375ed12a | 3931 | } |
45a23732 | 3932 | if ((my_euid != my_uid && my_euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
375ed12a | 3933 | || |
45a23732 | 3934 | (my_egid != my_gid && my_egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
375ed12a | 3935 | ) |
b28d0864 | 3936 | if (!PL_do_undump) |
cea2e8a9 | 3937 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3938 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3939 | /* not set-id, must be wrapped */ |
a687059c | 3940 | } |
79072805 | 3941 | } |
cc69b689 | 3942 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3943 | |
76e3520e | 3944 | STATIC void |
2f9285f8 | 3945 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3946 | { |
c7030b81 | 3947 | const char *s; |
eb578fdb | 3948 | const char *s2; |
33b78306 | 3949 | |
7918f24d NC |
3950 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3951 | ||
33b78306 LW |
3952 | /* skip forward in input to the real script? */ |
3953 | ||
737c24fc | 3954 | do { |
2f9285f8 | 3955 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3956 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3957 | s2 = s; |
737c24fc Z |
3958 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3959 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3960 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3961 | s2 = s; | |
3962 | while (*s == ' ' || *s == '\t') s++; | |
3963 | if (*s++ == '-') { | |
3964 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3965 | || s2[-1] == '_') s2--; | |
854da30f | 3966 | if (strEQs(s2-4,"perl")) |
737c24fc Z |
3967 | while ((s = moreswitches(s))) |
3968 | ; | |
83025b21 LW |
3969 | } |
3970 | } | |
3971 | ||
afe37c7d | 3972 | |
76e3520e | 3973 | STATIC void |
cea2e8a9 | 3974 | S_init_ids(pTHX) |
352d5a3a | 3975 | { |
284167a5 S |
3976 | /* no need to do anything here any more if we don't |
3977 | * do tainting. */ | |
dc6d7f5c | 3978 | #ifndef NO_TAINT_SUPPORT |
dfff4baf BF |
3979 | const Uid_t my_uid = PerlProc_getuid(); |
3980 | const Uid_t my_euid = PerlProc_geteuid(); | |
3981 | const Gid_t my_gid = PerlProc_getgid(); | |
3982 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3983 | |
20b7effb JH |
3984 | PERL_UNUSED_CONTEXT; |
3985 | ||
22f7c9c9 | 3986 | /* Should not happen: */ |
985213f2 | 3987 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
3988 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
3989 | #endif | |
ae3f3efd PS |
3990 | /* BUG */ |
3991 | /* PSz 27 Feb 04 | |
3992 | * Should go by suidscript, not uid!=euid: why disallow | |
3993 | * system("ls") in scripts run from setuid things? | |
3994 | * Or, is this run before we check arguments and set suidscript? | |
3995 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3996 | * (We never have suidscript, can we be sure to have fdscript?) | |
3997 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3998 | */ | |
748a9306 | 3999 | } |
79072805 | 4000 | |
a0643315 JH |
4001 | /* This is used very early in the lifetime of the program, |
4002 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4003 | * not been initialized properly. */ |
af419de7 | 4004 | bool |
8f42b153 | 4005 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4006 | { |
c3446a78 JH |
4007 | #ifndef PERL_IMPLICIT_SYS |
4008 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4009 | * before we have an interpreter-- and the whole point of this | |
4010 | * function is to be called at such an early stage. If you are on | |
4011 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4012 | * "tainted because running with altered effective ids', you'll | |
4013 | * have to add your own checks somewhere in here. The two most | |
4014 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4015 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
4016 | Uid_t uid = PerlProc_getuid(); |
4017 | Uid_t euid = PerlProc_geteuid(); | |
4018 | Gid_t gid = PerlProc_getgid(); | |
4019 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 4020 | (void)envp; |
22f7c9c9 JH |
4021 | |
4022 | #ifdef VMS | |
af419de7 | 4023 | uid |= gid << 16; |
22f7c9c9 JH |
4024 | euid |= egid << 16; |
4025 | #endif | |
4026 | if (uid && (euid != uid || egid != gid)) | |
4027 | return 1; | |
c3446a78 | 4028 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4029 | /* This is a really primitive check; environment gets ignored only |
4030 | * if -T are the first chars together; otherwise one gets | |
4031 | * "Too late" message. */ | |
22f7c9c9 | 4032 | if ( argc > 1 && argv[1][0] == '-' |
305b8651 | 4033 | && isALPHA_FOLD_EQ(argv[1][1], 't')) |
22f7c9c9 JH |
4034 | return 1; |
4035 | return 0; | |
4036 | } | |
22f7c9c9 | 4037 | |
d0bafe7e NC |
4038 | /* Passing the flag as a single char rather than a string is a slight space |
4039 | optimisation. The only message that isn't /^-.$/ is | |
4040 | "program input from stdin", which is substituted in place of '\0', which | |
4041 | could never be a command line flag. */ | |
76e3520e | 4042 | STATIC void |
f20b2998 | 4043 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 4044 | { |
d0bafe7e NC |
4045 | char string[3] = "-x"; |
4046 | const char *message = "program input from stdin"; | |
4047 | ||
20b7effb | 4048 | PERL_UNUSED_CONTEXT; |
d0bafe7e NC |
4049 | if (flag) { |
4050 | string[1] = flag; | |
4051 | message = string; | |
4052 | } | |
4053 | ||
ae3f3efd | 4054 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 4055 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 4056 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 4057 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 4058 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 4059 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 4060 | if (suidscript) |
d0bafe7e | 4061 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 4062 | } |
4063 | ||
1ee4443e | 4064 | void |
5b235299 NC |
4065 | Perl_init_dbargs(pTHX) |
4066 | { | |
4067 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
4068 | GV_ADDMULTI, | |
4069 | SVt_PVAV)))); | |
4070 | ||
4071 | if (AvREAL(args)) { | |
4072 | /* Someone has already created it. | |
4073 | It might have entries, and if we just turn off AvREAL(), they will | |
4074 | "leak" until global destruction. */ | |
4075 | av_clear(args); | |
3df49e2a | 4076 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 4077 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 4078 | } |
af80dd86 | 4079 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
4080 | } |
4081 | ||
4082 | void | |
1ee4443e | 4083 | Perl_init_debugger(pTHX) |
748a9306 | 4084 | { |
c4420975 | 4085 | HV * const ostash = PL_curstash; |
a6d69523 | 4086 | MAGIC *mg; |
1ee4443e | 4087 | |
03d9f026 | 4088 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
4089 | |
4090 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
4091 | PL_DBgv = MUTABLE_GV( |
4092 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
4093 | ); | |
4094 | PL_DBline = MUTABLE_GV( | |
4095 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
4096 | ); | |
4097 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
4098 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
4099 | )); | |
5c1737d1 | 4100 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4101 | if (!SvIOK(PL_DBsingle)) |
4102 | sv_setiv(PL_DBsingle, 0); | |
a6d69523 TC |
4103 | mg = sv_magicext(PL_DBsingle, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4104 | mg->mg_private = DBVARMG_SINGLE; | |
4105 | SvSETMAGIC(PL_DBsingle); | |
4106 | ||
5c1737d1 | 4107 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4108 | if (!SvIOK(PL_DBtrace)) |
4109 | sv_setiv(PL_DBtrace, 0); | |
a6d69523 TC |
4110 | mg = sv_magicext(PL_DBtrace, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4111 | mg->mg_private = DBVARMG_TRACE; | |
4112 | SvSETMAGIC(PL_DBtrace); | |
4113 | ||
5c1737d1 | 4114 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4115 | if (!SvIOK(PL_DBsignal)) |
4116 | sv_setiv(PL_DBsignal, 0); | |
a6d69523 TC |
4117 | mg = sv_magicext(PL_DBsignal, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4118 | mg->mg_private = DBVARMG_SIGNAL; | |
4119 | SvSETMAGIC(PL_DBsignal); | |
4120 | ||
03d9f026 | 4121 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 4122 | PL_curstash = ostash; |
352d5a3a LW |
4123 | } |
4124 | ||
2ce36478 SM |
4125 | #ifndef STRESS_REALLOC |
4126 | #define REASONABLE(size) (size) | |
0ff72558 | 4127 | #define REASONABLE_but_at_least(size,min) (size) |
2ce36478 SM |
4128 | #else |
4129 | #define REASONABLE(size) (1) /* unreasonable */ | |
0ff72558 | 4130 | #define REASONABLE_but_at_least(size,min) (min) |
2ce36478 SM |
4131 | #endif |
4132 | ||
11343788 | 4133 | void |
cea2e8a9 | 4134 | Perl_init_stacks(pTHX) |
79072805 | 4135 | { |
3caf0269 DM |
4136 | SSize_t size; |
4137 | ||
e336de0d | 4138 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4139 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4140 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4141 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4142 | PL_curstack = PL_curstackinfo->si_stack; | |
4143 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4144 | |
3280af22 NIS |
4145 | PL_stack_base = AvARRAY(PL_curstack); |
4146 | PL_stack_sp = PL_stack_base; | |
4147 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4148 | |
a02a5408 | 4149 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4150 | PL_tmps_floor = -1; |
4151 | PL_tmps_ix = -1; | |
4152 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4153 | |
a02a5408 | 4154 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4155 | PL_markstack_ptr = PL_markstack; |
4156 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4157 | |
ce2f7c3b | 4158 | SET_MARK_OFFSET; |
e336de0d | 4159 | |
a02a5408 | 4160 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4161 | #ifdef DEBUGGING |
4162 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4163 | #endif | |
3280af22 NIS |
4164 | PL_scopestack_ix = 0; |
4165 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4166 | |
3caf0269 DM |
4167 | size = REASONABLE_but_at_least(128,SS_MAXPUSH); |
4168 | Newx(PL_savestack, size, ANY); | |
3280af22 | 4169 | PL_savestack_ix = 0; |
3caf0269 DM |
4170 | /*PL_savestack_max lies: it always has SS_MAXPUSH more than it claims */ |
4171 | PL_savestack_max = size - SS_MAXPUSH; | |
378cc40b | 4172 | } |
33b78306 | 4173 | |
2ce36478 SM |
4174 | #undef REASONABLE |
4175 | ||
76e3520e | 4176 | STATIC void |
cea2e8a9 | 4177 | S_nuke_stacks(pTHX) |
6e72f9df | 4178 | { |
3280af22 NIS |
4179 | while (PL_curstackinfo->si_next) |
4180 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4181 | while (PL_curstackinfo) { | |
4182 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4183 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4184 | Safefree(PL_curstackinfo->si_cxstack); |
4185 | Safefree(PL_curstackinfo); | |
4186 | PL_curstackinfo = p; | |
e336de0d | 4187 | } |
3280af22 NIS |
4188 | Safefree(PL_tmps_stack); |
4189 | Safefree(PL_markstack); | |
4190 | Safefree(PL_scopestack); | |
58780814 GG |
4191 | #ifdef DEBUGGING |
4192 | Safefree(PL_scopestack_name); | |
4193 | #endif | |
3280af22 | 4194 | Safefree(PL_savestack); |
378cc40b | 4195 | } |
33b78306 | 4196 | |
74e8ce34 NC |
4197 | void |
4198 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4199 | { | |
4200 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4201 | AV *const isa = GvAVn(gv); | |
4202 | va_list args; | |
4203 | ||
4204 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4205 | ||
4206 | if(AvFILLp(isa) != -1) | |
4207 | return; | |
4208 | ||
4209 | /* NOTE: No support for tied ISA */ | |
4210 | ||
4211 | va_start(args, len); | |
4212 | do { | |
4213 | const char *const parent = va_arg(args, const char*); | |
4214 | size_t parent_len; | |
4215 | ||
4216 | if (!parent) | |
4217 | break; | |
4218 | parent_len = va_arg(args, size_t); | |
4219 | ||
4220 | /* Arguments are supplied with a trailing :: */ | |
4221 | assert(parent_len > 2); | |
4222 | assert(parent[parent_len - 1] == ':'); | |
4223 | assert(parent[parent_len - 2] == ':'); | |
4224 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4225 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4226 | } while (1); | |
4227 | va_end(args); | |
4228 | } | |
4229 | ||
8990e307 | 4230 | |
76e3520e | 4231 | STATIC void |
cea2e8a9 | 4232 | S_init_predump_symbols(pTHX) |
45d8adaa | 4233 | { |
93a17b20 | 4234 | GV *tmpgv; |
af8c498a | 4235 | IO *io; |
79072805 | 4236 | |
64ace3f8 | 4237 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4238 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4239 | ||
d963bf01 NC |
4240 | |
4241 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4242 | FileHandle was loaded, in which case they were blessed into | |
4243 | that. Action at a distance. | |
4244 | However, if we simply bless into IO::Handle, we break code | |
4245 | that assumes that PVIOs will have (among others) a seek | |
4246 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4247 | and provides the needed methods. But if we simply bless into | |
4248 | it, then we break code that assumed that by loading | |
4249 | IO::Handle, *it* would work. | |
4250 | So a compromise is to set up the correct @IO::File::ISA, | |
4251 | so that code that does C<use IO::Handle>; will still work. | |
4252 | */ | |
4253 | ||
74e8ce34 NC |
4254 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4255 | STR_WITH_LEN("IO::Handle::"), | |
4256 | STR_WITH_LEN("IO::Seekable::"), | |
4257 | STR_WITH_LEN("Exporter::"), | |
4258 | NULL); | |
d963bf01 | 4259 | |
fafc274c | 4260 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4261 | GvMULTI_on(PL_stdingv); |
af8c498a | 4262 | io = GvIOp(PL_stdingv); |
a04651f4 | 4263 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4264 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4265 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4266 | GvMULTI_on(tmpgv); |
a45c7426 | 4267 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4268 | |
fafc274c | 4269 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4270 | GvMULTI_on(tmpgv); |
af8c498a | 4271 | io = GvIOp(tmpgv); |
a04651f4 | 4272 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4273 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4274 | setdefout(tmpgv); |
fafc274c | 4275 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4276 | GvMULTI_on(tmpgv); |
a45c7426 | 4277 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4278 | |
fafc274c | 4279 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4280 | GvMULTI_on(PL_stderrgv); |
4281 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4282 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4283 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4284 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4285 | GvMULTI_on(tmpgv); |
a45c7426 | 4286 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4287 | |
de61bf2a | 4288 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4289 | } |
33b78306 | 4290 | |
a11ec5a9 | 4291 | void |
5aaab254 | 4292 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4293 | { |
7918f24d NC |
4294 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; |
4295 | ||
79072805 | 4296 | argc--,argv++; /* skip name of script */ |
3280af22 | 4297 | if (PL_doswitches) { |
79072805 | 4298 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4299 | char *s; |
79072805 LW |
4300 | if (!argv[0][1]) |
4301 | break; | |
379d538a | 4302 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4303 | argc--,argv++; |
4304 | break; | |
4305 | } | |
155aba94 | 4306 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4307 | const char *const start_name = argv[0] + 1; |
4308 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4309 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4310 | } |
4311 | else | |
71315bf2 | 4312 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4313 | } |
79072805 | 4314 | } |
fafc274c | 4315 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4316 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4317 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4318 | av_clear(GvAVn(PL_argvgv)); |
4319 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4320 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4321 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4322 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4323 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4324 | SvUTF8_on(sv); | |
4325 | } | |
a05d7ebb JH |
4326 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4327 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4328 | } |
4329 | } | |
82f96200 JL |
4330 | |
4331 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4332 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4333 | "-i used with no filenames on the command line, " | |
4334 | "reading from STDIN"); | |
a11ec5a9 RGS |
4335 | } |
4336 | ||
4337 | STATIC void | |
5aaab254 | 4338 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4339 | { |
20b7effb | 4340 | #ifdef USE_ITHREADS |
27da23d5 | 4341 | dVAR; |
20b7effb | 4342 | #endif |
a11ec5a9 | 4343 | GV* tmpgv; |
a11ec5a9 | 4344 | |
7918f24d NC |
4345 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4346 | ||
f2da823f | 4347 | PL_toptarget = newSV_type(SVt_PVIV); |
854da30f | 4348 | SvPVCLEAR(PL_toptarget); |
f2da823f | 4349 | PL_bodytarget = newSV_type(SVt_PVIV); |
854da30f | 4350 | SvPVCLEAR(PL_bodytarget); |
3280af22 | 4351 | PL_formtarget = PL_bodytarget; |
79072805 | 4352 | |
bbce6d69 | 4353 | TAINT; |
a11ec5a9 RGS |
4354 | |
4355 | init_argv_symbols(argc,argv); | |
4356 | ||
fafc274c | 4357 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4358 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4359 | } |
fafc274c | 4360 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4361 | HV *hv; |
e17132c1 | 4362 | bool env_is_not_environ; |
cf93a474 | 4363 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4364 | GvMULTI_on(PL_envgv); |
4365 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4366 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4367 | #ifndef PERL_MICRO |
fa6a1c44 | 4368 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4369 | /* Note that if the supplied env parameter is actually a copy |
4370 | of the global environ then it may now point to free'd memory | |
4371 | if the environment has been modified since. To avoid this | |
4372 | problem we treat env==NULL as meaning 'use the default' | |
4373 | */ | |
4374 | if (!env) | |
4375 | env = environ; | |
e17132c1 JD |
4376 | env_is_not_environ = env != environ; |
4377 | if (env_is_not_environ | |
4efc5df6 GS |
4378 | # ifdef USE_ITHREADS |
4379 | && PL_curinterp == aTHX | |
4380 | # endif | |
4381 | ) | |
4382 | { | |
bd61b366 | 4383 | environ[0] = NULL; |
4efc5df6 | 4384 | } |
9b4eeda5 | 4385 | if (env) { |
9d27dca9 | 4386 | char *s, *old_var; |
ae37b791 | 4387 | STRLEN nlen; |
27da23d5 | 4388 | SV *sv; |
ae37b791 TC |
4389 | HV *dups = newHV(); |
4390 | ||
764df951 | 4391 | for (; *env; env++) { |
9d27dca9 MT |
4392 | old_var = *env; |
4393 | ||
4394 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4395 | continue; |
ae37b791 | 4396 | nlen = s - old_var; |
9d27dca9 | 4397 | |
7da0e383 | 4398 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4399 | *s = '\0'; |
9d27dca9 | 4400 | (void)strupr(old_var); |
61968511 | 4401 | *s = '='; |
137443ea | 4402 | #endif |
ae37b791 TC |
4403 | if (hv_exists(hv, old_var, nlen)) { |
4404 | const char *name = savepvn(old_var, nlen); | |
4405 | ||
4406 | /* make sure we use the same value as getenv(), otherwise code that | |
4407 | uses getenv() (like setlocale()) might see a different value to %ENV | |
4408 | */ | |
4409 | sv = newSVpv(PerlEnv_getenv(name), 0); | |
4410 | ||
4411 | /* keep a count of the dups of this name so we can de-dup environ later */ | |
4412 | if (hv_exists(dups, name, nlen)) | |
4413 | ++SvIVX(*hv_fetch(dups, name, nlen, 0)); | |
4414 | else | |
4415 | (void)hv_store(dups, name, nlen, newSViv(1), 0); | |
4416 | ||
4417 | Safefree(name); | |
4418 | } | |
4419 | else { | |
4420 | sv = newSVpv(s+1, 0); | |
4421 | } | |
4422 | (void)hv_store(hv, old_var, nlen, sv, 0); | |
e17132c1 | 4423 | if (env_is_not_environ) |
61968511 | 4424 | mg_set(sv); |
764df951 | 4425 | } |
ae37b791 TC |
4426 | if (HvKEYS(dups)) { |
4427 | /* environ has some duplicate definitions, remove them */ | |
4428 | HE *entry; | |
4429 | hv_iterinit(dups); | |
4430 | while ((entry = hv_iternext_flags(dups, 0))) { | |
4431 | STRLEN nlen; | |
4432 | const char *name = HePV(entry, nlen); | |
4433 | IV count = SvIV(HeVAL(entry)); | |
4434 | IV i; | |
4435 | SV **valp = hv_fetch(hv, name, nlen, 0); | |
4436 | ||
4437 | assert(valp); | |
4438 | ||
4439 | /* try to remove any duplicate names, depending on the | |
4440 | * implementation used in my_setenv() the iteration might | |
4441 | * not be necessary, but let's be safe. | |
4442 | */ | |
4443 | for (i = 0; i < count; ++i) | |
4444 | my_setenv(name, 0); | |
4445 | ||
4446 | /* and set it back to the value we set $ENV{name} to */ | |
4447 | my_setenv(name, SvPV_nolen(*valp)); | |
4448 | } | |
4449 | } | |
4450 | SvREFCNT_dec_NN(dups); | |
9b4eeda5 | 4451 | } |
103a7189 | 4452 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4453 | #endif /* !PERL_MICRO */ |
79072805 | 4454 | } |
bbce6d69 | 4455 | TAINT_NOT; |
2710853f MJD |
4456 | |
4457 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4458 | if (PL_minus_a) { | |
cbfd0a87 | 4459 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4460 | } |
33b78306 | 4461 | } |
34de22dd | 4462 | |
76e3520e | 4463 | STATIC void |
2cace6ac | 4464 | S_init_perllib(pTHX) |
34de22dd | 4465 | { |
32910c7a | 4466 | #ifndef VMS |
929e5b34 | 4467 | const char *perl5lib = NULL; |
32910c7a | 4468 | #endif |
35ba5ce9 | 4469 | const char *s; |
a7560424 | 4470 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4471 | STRLEN len; |
4472 | #endif | |
4473 | ||
284167a5 | 4474 | if (!TAINTING_get) { |
552a7a9b | 4475 | #ifndef VMS |
32910c7a | 4476 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4477 | /* |
4478 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4479 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4480 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4481 | */ |
4482 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4483 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4484 | #else |
32910c7a | 4485 | if (perl5lib) |
88f5bc07 | 4486 | #endif |
32910c7a | 4487 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4488 | else { |
4705144d NC |
4489 | s = PerlEnv_getenv("PERLLIB"); |
4490 | if (s) | |
50d61629 | 4491 | incpush_use_sep(s, 0, 0); |
4705144d | 4492 | } |
552a7a9b | 4493 | #else /* VMS */ |
4494 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4495 | * "natural" VMS idiom for a Unix path string. We allow each | |
4496 | * element to be a set of |-separated directories for compatibility. | |
4497 | */ | |
4498 | char buf[256]; | |
4499 | int idx = 0; | |
88467a4b | 4500 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
e28f3139 | 4501 | do { |
2cace6ac | 4502 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
88467a4b | 4503 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
f05b5874 | 4504 | else { |
88467a4b | 4505 | while (vmstrnenv("PERLLIB",buf,idx++,NULL,0)) |
50d61629 | 4506 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4507 | } |
552a7a9b | 4508 | #endif /* VMS */ |
85e6fe83 | 4509 | } |
34de22dd | 4510 | |
b0e687f7 NC |
4511 | #ifndef PERL_IS_MINIPERL |
4512 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4513 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4514 | ||
c90c0ff4 | 4515 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4516 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4517 | */ |
4633a7c4 | 4518 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4519 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4520 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4521 | #endif |
4633a7c4 | 4522 | |
65f19062 | 4523 | #ifdef SITEARCH_EXP |
3b290362 GS |
4524 | /* sitearch is always relative to sitelib on Windows for |
4525 | * DLL-based path intuition to work correctly */ | |
4526 | # if !defined(WIN32) | |
be71fc8f NC |
4527 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4528 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4529 | # endif |
4530 | #endif | |
4531 | ||
4633a7c4 | 4532 | #ifdef SITELIB_EXP |
65f19062 | 4533 | # if defined(WIN32) |
574c798a | 4534 | /* this picks up sitearch as well */ |
1c68cbf7 | 4535 | s = PerlEnv_sitelib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4536 | if (s) |
e6a0bbf8 | 4537 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4538 | # else |
50d61629 | 4539 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4540 | # endif |
4541 | #endif | |
189d1e8d | 4542 | |
65f19062 | 4543 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4544 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4545 | * DLL-based path intuition to work correctly */ |
4546 | # if !defined(WIN32) | |
be71fc8f NC |
4547 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4548 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4549 | # endif |
4b03c463 | 4550 | #endif |
65f19062 GS |
4551 | |
4552 | #ifdef PERL_VENDORLIB_EXP | |
4553 | # if defined(WIN32) | |
e28f3139 | 4554 | /* this picks up vendorarch as well */ |
1c68cbf7 | 4555 | s = PerlEnv_vendorlib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4556 | if (s) |
e6a0bbf8 | 4557 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4558 | # else |
be71fc8f NC |
4559 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4560 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4561 | # endif |
a3635516 | 4562 | #endif |
65f19062 | 4563 | |
b9ba2fad | 4564 | #ifdef ARCHLIB_EXP |
2cace6ac | 4565 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4566 | #endif |
4567 | ||
4568 | #ifndef PRIVLIB_EXP | |
4569 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4570 | #endif | |
4571 | ||
4572 | #if defined(WIN32) | |
1c68cbf7 | 4573 | s = PerlEnv_lib_path(PERL_FS_VERSION, &len); |
2cace6ac NC |
4574 | if (s) |
4575 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4576 | #else |
04c9eecc | 4577 | # ifdef NETWARE |
2cace6ac | 4578 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4579 | # else |
2cace6ac | 4580 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4581 | # endif |
b9ba2fad NC |
4582 | #endif |
4583 | ||
3b777bb4 | 4584 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4585 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4586 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4587 | |INCPUSH_CAN_RELOCATE); |
4588 | #endif | |
2cace6ac | 4589 | |
284167a5 | 4590 | if (!TAINTING_get) { |
2cace6ac | 4591 | #ifndef VMS |
2cace6ac NC |
4592 | /* |
4593 | * It isn't possible to delete an environment variable with | |
4594 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4595 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4596 | */ | |
4597 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4598 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4599 | #else |
32910c7a | 4600 | if (perl5lib) |
2cace6ac | 4601 | #endif |
32910c7a NC |
4602 | incpush_use_sep(perl5lib, 0, |
4603 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4604 | #else /* VMS */ |
4605 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4606 | * "natural" VMS idiom for a Unix path string. We allow each | |
4607 | * element to be a set of |-separated directories for compatibility. | |
4608 | */ | |
4609 | char buf[256]; | |
4610 | int idx = 0; | |
88467a4b | 4611 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
2cace6ac | 4612 | do { |
be71fc8f NC |
4613 | incpush_use_sep(buf, 0, |
4614 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
88467a4b | 4615 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
2cace6ac | 4616 | #endif /* VMS */ |
a26c0e28 | 4617 | } |
2cace6ac NC |
4618 | |
4619 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4620 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4621 | */ |
4622 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4623 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4624 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4625 | #endif |
4626 | ||
2cace6ac NC |
4627 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4628 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4629 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4630 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4631 | #endif |
4632 | ||
4633 | ||
4634 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4635 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4636 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4637 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4638 | #endif |
4639 | ||
4640 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4641 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4642 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4643 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4644 | #endif |
b0e687f7 | 4645 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4646 | |
284167a5 | 4647 | if (!TAINTING_get) |
55b4bc1c | 4648 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4649 | } |
4650 | ||
739a0b84 | 4651 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4652 | # define PERLLIB_SEP ';' |
4653 | #else | |
483efd0a CB |
4654 | # if defined(__VMS) |
4655 | # define PERLLIB_SEP PL_perllib_sep | |
774d564b | 4656 | # else |
e37778c2 | 4657 | # define PERLLIB_SEP ':' |
774d564b | 4658 | # endif |
4659 | #endif | |
4660 | #ifndef PERLLIB_MANGLE | |
4661 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4662 | #endif |
774d564b | 4663 | |
59d6f6a4 | 4664 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4665 | /* Push a directory onto @INC if it exists. |
4666 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4667 | onto @INC */ | |
4668 | STATIC SV * | |
7ffdaae6 | 4669 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae NC |
4670 | { |
4671 | Stat_t tmpstatbuf; | |
7918f24d NC |
4672 | |
4673 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4674 | ||
848ef955 | 4675 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4676 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4677 | av_push(av, dir); |
7ffdaae6 NC |
4678 | dir = newSVsv(stem); |
4679 | } else { | |
4680 | /* Truncate dir back to stem. */ | |
4681 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4682 | } |
4683 | return dir; | |
4684 | } | |
59d6f6a4 | 4685 | #endif |
ad17a1ae | 4686 | |
c29067d7 CH |
4687 | STATIC SV * |
4688 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4689 | { |
6434436b | 4690 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4691 | SV *libdir; |
774d564b | 4692 | |
c29067d7 | 4693 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4694 | assert(len > 0); |
3a9a9ba7 | 4695 | |
d2898d73 EB |
4696 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4697 | defined to so something (in os2/os2.c), but the code has been | |
4698 | this way, ignoring any possible changed of length, since | |
4699 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4700 | it be. */ | |
4701 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4702 | |
81600524 | 4703 | #ifdef VMS |
db12e2d3 | 4704 | { |
81600524 | 4705 | char *unix; |
81600524 CB |
4706 | |
4707 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4708 | len = strlen(unix); | |
f420cce1 | 4709 | while (len > 1 && unix[len-1] == '/') len--; /* Cosmetic */ |
81600524 CB |
4710 | sv_usepvn(libdir,unix,len); |
4711 | } | |
4712 | else | |
4713 | PerlIO_printf(Perl_error_log, | |
4714 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4715 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4716 | } |
81600524 CB |
4717 | #endif |
4718 | ||
dd374669 AL |
4719 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4720 | parameter. */ | |
4721 | if (canrelocate) { | |
88fe16b2 NC |
4722 | #ifdef PERL_RELOCATABLE_INC |
4723 | /* | |
4724 | * Relocatable include entries are marked with a leading .../ | |
4725 | * | |
4726 | * The algorithm is | |
4727 | * 0: Remove that leading ".../" | |
4728 | * 1: Remove trailing executable name (anything after the last '/') | |
4729 | * from the perl path to give a perl prefix | |
4730 | * Then | |
4731 | * While the @INC element starts "../" and the prefix ends with a real | |
4732 | * directory (ie not . or ..) chop that real directory off the prefix | |
4733 | * and the leading "../" from the @INC element. ie a logical "../" | |
4734 | * cleanup | |
4735 | * Finally concatenate the prefix and the remainder of the @INC element | |
4736 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4737 | * generates /usr/local/lib/perl5 | |
4738 | */ | |
890ce7af | 4739 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4740 | STRLEN libpath_len = SvCUR(libdir); |
4741 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4742 | /* Game on! */ | |
890ce7af | 4743 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4744 | /* Going to use the SV just as a scratch buffer holding a C |
4745 | string: */ | |
4746 | SV *prefix_sv; | |
4747 | char *prefix; | |
4748 | char *lastslash; | |
4749 | ||
4750 | /* $^X is *the* source of taint if tainting is on, hence | |
4751 | SvPOK() won't be true. */ | |
4752 | assert(caret_X); | |
4753 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4754 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4755 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4756 | /* Firstly take off the leading .../ |
4757 | If all else fail we'll do the paths relative to the current | |
4758 | directory. */ | |
4759 | sv_chop(libdir, libpath + 4); | |
4760 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4761 | mortal copies that the mg_get of tainting creates, and | |
4762 | corruption that seems to come via the save stack. | |
4763 | I guess that the save stack isn't correctly set up yet. */ | |
4764 | libpath = SvPVX(libdir); | |
4765 | libpath_len = SvCUR(libdir); | |
4766 | ||
4767 | /* This would work more efficiently with memrchr, but as it's | |
4768 | only a GNU extension we'd need to probe for it and | |
4769 | implement our own. Not hard, but maybe not worth it? */ | |
4770 | ||
4771 | prefix = SvPVX(prefix_sv); | |
4772 | lastslash = strrchr(prefix, '/'); | |
4773 | ||
4774 | /* First time in with the *lastslash = '\0' we just wipe off | |
4775 | the trailing /perl from (say) /usr/foo/bin/perl | |
4776 | */ | |
4777 | if (lastslash) { | |
4778 | SV *tempsv; | |
4779 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
854da30f | 4780 | (libpath_len >= 3 && _memEQs(libpath, "../") |
88fe16b2 NC |
4781 | && (lastslash = strrchr(prefix, '/')))) { |
4782 | if (lastslash[1] == '\0' | |
4783 | || (lastslash[1] == '.' | |
4784 | && (lastslash[2] == '/' /* ends "/." */ | |
4785 | || (lastslash[2] == '/' | |
4786 | && lastslash[3] == '/' /* or "/.." */ | |
4787 | )))) { | |
4788 | /* Prefix ends "/" or "/." or "/..", any of which | |
4789 | are fishy, so don't do any more logical cleanup. | |
4790 | */ | |
4791 | break; | |
4792 | } | |
4793 | /* Remove leading "../" from path */ | |
4794 | libpath += 3; | |
4795 | libpath_len -= 3; | |
4796 | /* Next iteration round the loop removes the last | |
4797 | directory name from prefix by writing a '\0' in | |
4798 | the while clause. */ | |
4799 | } | |
4800 | /* prefix has been terminated with a '\0' to the correct | |
4801 | length. libpath points somewhere into the libdir SV. | |
4802 | We need to join the 2 with '/' and drop the result into | |
4803 | libdir. */ | |
4804 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4805 | SvREFCNT_dec(libdir); | |
4806 | /* And this is the new libdir. */ | |
4807 | libdir = tempsv; | |
284167a5 | 4808 | if (TAINTING_get && |
985213f2 AB |
4809 | (PerlProc_getuid() != PerlProc_geteuid() || |
4810 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4811 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4812 | SvTAINTED_on(libdir); |
4813 | } | |
4814 | } | |
4815 | SvREFCNT_dec(prefix_sv); | |
4816 | } | |
88fe16b2 | 4817 | #endif |
dd374669 | 4818 | } |
c29067d7 | 4819 | return libdir; |
c29067d7 CH |
4820 | } |
4821 | ||
4822 | STATIC void | |
4823 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4824 | { | |
c29067d7 CH |
4825 | #ifndef PERL_IS_MINIPERL |
4826 | const U8 using_sub_dirs | |
4827 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4828 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4829 | const U8 add_versioned_sub_dirs | |
4830 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4831 | const U8 add_archonly_sub_dirs | |
4832 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4833 | #ifdef PERL_INC_VERSION_LIST | |
4834 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4835 | #endif | |
4836 | #endif | |
4837 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4838 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4839 | AV *const inc = GvAVn(PL_incgv); | |
4840 | ||
4841 | PERL_ARGS_ASSERT_INCPUSH; | |
4842 | assert(len > 0); | |
4843 | ||
4844 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4845 | re-indenting diff noise. */ | |
4846 | { | |
5a702b9a | 4847 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4848 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4849 | arranged to unshift #! line -I onto the front of @INC. However, | |
4850 | -I can add version and architecture specific libraries, and they | |
4851 | need to go first. The old code assumed that it was always | |
4852 | pushing. Hence to make it work, need to push the architecture | |
4853 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4854 | the front of @INC. */ | |
4855 | #ifndef PERL_IS_MINIPERL | |
4856 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4857 | |
774d564b | 4858 | /* |
4859 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4860 | * archname-specific sub-directories. | |
4861 | */ | |
ee80e7be | 4862 | if (using_sub_dirs) { |
5a702b9a | 4863 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4864 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4865 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4866 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4867 | const char * const *incver; | |
29d82f8d | 4868 | #endif |
7ffdaae6 | 4869 | |
1e3208d8 | 4870 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4871 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4872 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4873 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4874 | |
9c8a64f0 | 4875 | /* .../version if -d .../version */ |
e51b748d | 4876 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4877 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4878 | } |
9c8a64f0 | 4879 | |
9c8a64f0 | 4880 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4881 | if (addoldvers) { |
9c8a64f0 GS |
4882 | for (incver = incverlist; *incver; incver++) { |
4883 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4884 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4885 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4886 | } |
4887 | } | |
29d82f8d | 4888 | #endif |
c992324b | 4889 | |
1e3208d8 | 4890 | if (add_archonly_sub_dirs) { |
c992324b | 4891 | /* .../archname if -d .../archname */ |
e51b748d | 4892 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4893 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4894 | |
4895 | } | |
10cc20f6 NC |
4896 | |
4897 | assert (SvREFCNT(subdir) == 1); | |
4898 | SvREFCNT_dec(subdir); | |
774d564b | 4899 | } |
59d6f6a4 | 4900 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4901 | /* finally add this lib directory at the end of @INC */ |
4902 | if (unshift) { | |
76895e89 | 4903 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4904 | const Size_t extra = 0; |
76895e89 | 4905 | #else |
b9f2b683 | 4906 | Size_t extra = av_tindex(av) + 1; |
76895e89 | 4907 | #endif |
a26c0e28 NC |
4908 | av_unshift(inc, extra + push_basedir); |
4909 | if (push_basedir) | |
4910 | av_store(inc, extra, libdir); | |
76895e89 | 4911 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4912 | while (extra--) { |
4913 | /* av owns a reference, av_store() expects to be donated a | |
4914 | reference, and av expects to be sane when it's cleared. | |
4915 | If I wanted to be naughty and wrong, I could peek inside the | |
4916 | implementation of av_clear(), realise that it uses | |
4917 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4918 | and so directly steal from it (with a memcpy() to inc, and | |
4919 | then memset() to NULL them out. But people copy code from the | |
4920 | core expecting it to be best practise, so let's use the API. | |
4921 | Although studious readers will note that I'm not checking any | |
4922 | return codes. */ | |
4923 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4924 | } | |
4925 | SvREFCNT_dec(av); | |
59d6f6a4 | 4926 | #endif |
20189146 | 4927 | } |
a26c0e28 | 4928 | else if (push_basedir) { |
3a9a9ba7 | 4929 | av_push(inc, libdir); |
20189146 | 4930 | } |
a26c0e28 NC |
4931 | |
4932 | if (!push_basedir) { | |
4933 | assert (SvREFCNT(libdir) == 1); | |
4934 | SvREFCNT_dec(libdir); | |
4935 | } | |
774d564b | 4936 | } |
34de22dd | 4937 | } |
93a17b20 | 4938 | |
55b4bc1c | 4939 | STATIC void |
50d61629 | 4940 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4941 | { |
50d61629 NC |
4942 | const char *s; |
4943 | const char *end; | |
55b4bc1c NC |
4944 | /* This logic has been broken out from S_incpush(). It may be possible to |
4945 | simplify it. */ | |
4946 | ||
4705144d NC |
4947 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4948 | ||
f31c6eed JD |
4949 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4950 | * argument to incpush_use_sep. This allows creation of relocatable | |
4951 | * Perl distributions that patch the binary at install time. Those | |
4952 | * distributions will have to provide their own relocation tools; this | |
4953 | * is not a feature otherwise supported by core Perl. | |
4954 | */ | |
4955 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4956 | if (!len) |
f31c6eed | 4957 | #endif |
50d61629 NC |
4958 | len = strlen(p); |
4959 | ||
4960 | end = p + len; | |
4961 | ||
55b4bc1c | 4962 | /* Break at all separators */ |
e42f52dd | 4963 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4964 | if (s == p) { |
4965 | /* skip any consecutive separators */ | |
55b4bc1c | 4966 | |
55b4bc1c | 4967 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4968 | /* But you'll need to write tests */ |
55b4bc1c | 4969 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4970 | } else { |
55b4bc1c | 4971 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4972 | } |
50d61629 | 4973 | p = s + 1; |
55b4bc1c | 4974 | } |
50d61629 NC |
4975 | if (p != end) |
4976 | incpush(p, (STRLEN)(end - p), flags); | |
4977 | ||
55b4bc1c | 4978 | } |
199100c8 | 4979 | |
93a17b20 | 4980 | void |
864dbfa3 | 4981 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4982 | { |
971a9dd3 | 4983 | SV *atsv; |
b084bc87 | 4984 | VOL const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4985 | CV *cv; |
22921e25 | 4986 | STRLEN len; |
6224f72b | 4987 | int ret; |
db36c5a1 | 4988 | dJMPENV; |
93a17b20 | 4989 | |
7918f24d NC |
4990 | PERL_ARGS_ASSERT_CALL_LIST; |
4991 | ||
b9f2b683 | 4992 | while (av_tindex(paramList) >= 0) { |
ea726b52 | 4993 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4994 | if (PL_savebegin) { |
4995 | if (paramList == PL_beginav) { | |
059a8bb7 | 4996 | /* save PL_beginav for compiler */ |
ad64d0ec | 4997 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4998 | } |
4999 | else if (paramList == PL_checkav) { | |
5000 | /* save PL_checkav for compiler */ | |
ad64d0ec | 5001 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 5002 | } |
3c10abe3 AG |
5003 | else if (paramList == PL_unitcheckav) { |
5004 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 5005 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 5006 | } |
059a8bb7 | 5007 | } else { |
b5bbe64a | 5008 | SAVEFREESV(cv); |
059a8bb7 | 5009 | } |
14dd3ad8 | 5010 | JMPENV_PUSH(ret); |
6224f72b | 5011 | switch (ret) { |
312caa8e | 5012 | case 0: |
d6f07c05 | 5013 | CALL_LIST_BODY(cv); |
971a9dd3 | 5014 | atsv = ERRSV; |
10516c54 | 5015 | (void)SvPV_const(atsv, len); |
312caa8e CS |
5016 | if (len) { |
5017 | PL_curcop = &PL_compiling; | |
57843af0 | 5018 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5019 | if (paramList == PL_beginav) |
396482e1 | 5020 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 5021 | else |
4f25aa18 GS |
5022 | Perl_sv_catpvf(aTHX_ atsv, |
5023 | "%s failed--call queue aborted", | |
7d30b5c4 | 5024 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5025 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5026 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5027 | : "END"); |
312caa8e CS |
5028 | while (PL_scopestack_ix > oldscope) |
5029 | LEAVE; | |
14dd3ad8 | 5030 | JMPENV_POP; |
be2597df | 5031 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 5032 | } |
85e6fe83 | 5033 | break; |
6224f72b | 5034 | case 1: |
f86702cc | 5035 | STATUS_ALL_FAILURE; |
924ba076 | 5036 | /* FALLTHROUGH */ |
6224f72b | 5037 | case 2: |
85e6fe83 | 5038 | /* my_exit() was called */ |
3280af22 | 5039 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5040 | LEAVE; |
84902520 | 5041 | FREETMPS; |
03d9f026 | 5042 | SET_CURSTASH(PL_defstash); |
3280af22 | 5043 | PL_curcop = &PL_compiling; |
57843af0 | 5044 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5045 | JMPENV_POP; |
f86702cc | 5046 | my_exit_jump(); |
e5964223 | 5047 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 5048 | case 3: |
312caa8e CS |
5049 | if (PL_restartop) { |
5050 | PL_curcop = &PL_compiling; | |
57843af0 | 5051 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5052 | JMPENV_JUMP(3); |
85e6fe83 | 5053 | } |
5637ef5b | 5054 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
5055 | FREETMPS; |
5056 | break; | |
8990e307 | 5057 | } |
14dd3ad8 | 5058 | JMPENV_POP; |
93a17b20 | 5059 | } |
93a17b20 | 5060 | } |
93a17b20 | 5061 | |
f86702cc | 5062 | void |
864dbfa3 | 5063 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5064 | { |
6136213b JGM |
5065 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5066 | abort(); | |
5067 | } | |
5068 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5069 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5070 | Perl_warn(aTHX_ "Unexpected exit %lu", (unsigned long)status); |
6136213b JGM |
5071 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5072 | } | |
f86702cc | 5073 | switch (status) { |
5074 | case 0: | |
5075 | STATUS_ALL_SUCCESS; | |
5076 | break; | |
5077 | case 1: | |
5078 | STATUS_ALL_FAILURE; | |
5079 | break; | |
5080 | default: | |
6ac6a52b | 5081 | STATUS_EXIT_SET(status); |
f86702cc | 5082 | break; |
5083 | } | |
5084 | my_exit_jump(); | |
5085 | } | |
5086 | ||
5087 | void | |
864dbfa3 | 5088 | Perl_my_failure_exit(pTHX) |
f86702cc | 5089 | { |
5090 | #ifdef VMS | |
fb38d079 JM |
5091 | /* We have been called to fall on our sword. The desired exit code |
5092 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5093 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5094 | * that code is set. | |
fb38d079 JM |
5095 | * |
5096 | * If an error code has not been set, then force the issue. | |
5097 | */ | |
0968cdad JM |
5098 | if (MY_POSIX_EXIT) { |
5099 | ||
e08e1e1d JM |
5100 | /* According to the die_exit.t tests, if errno is non-zero */ |
5101 | /* It should be used for the error status. */ | |
0968cdad | 5102 | |
e08e1e1d JM |
5103 | if (errno == EVMSERR) { |
5104 | STATUS_NATIVE = vaxc$errno; | |
5105 | } else { | |
0968cdad | 5106 | |
e08e1e1d JM |
5107 | /* According to die_exit.t tests, if the child_exit code is */ |
5108 | /* also zero, then we need to exit with a code of 255 */ | |
5109 | if ((errno != 0) && (errno < 256)) | |
5110 | STATUS_UNIX_EXIT_SET(errno); | |
5111 | else if (STATUS_UNIX < 255) { | |
0968cdad | 5112 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
5113 | } |
5114 | ||
0968cdad | 5115 | } |
e08e1e1d JM |
5116 | |
5117 | /* The exit code could have been set by $? or vmsish which | |
5118 | * means that it may not have fatal set. So convert | |
5119 | * success/warning codes to fatal with out changing | |
5120 | * the POSIX status code. The severity makes VMS native | |
5121 | * status handling work, while UNIX mode programs use the | |
5122 | * the POSIX exit codes. | |
5123 | */ | |
5124 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
5125 | STATUS_NATIVE &= STS$M_COND_ID; | |
5126 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
5127 | } | |
0968cdad JM |
5128 | } |
5129 | else { | |
5130 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5131 | if (vaxc$errno & 1) { | |
5132 | ||
5133 | /* So force success status to failure */ | |
5134 | if (STATUS_NATIVE & 1) | |
5135 | STATUS_ALL_FAILURE; | |
5136 | } | |
5137 | else { | |
5138 | if (!vaxc$errno) { | |
5139 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5140 | STATUS_ALL_FAILURE; | |
5141 | } | |
5142 | else { | |
5143 | int severity; | |
5144 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5145 | ||
5146 | /* Encode the severity code */ | |
5147 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5148 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5149 | ||
5150 | /* Perl expects this to be a fatal error */ | |
5151 | if (severity != STS$K_SEVERE) | |
5152 | STATUS_ALL_FAILURE; | |
5153 | } | |
5154 | } | |
5155 | } | |
fb38d079 | 5156 | |
f86702cc | 5157 | #else |
9b599b2a | 5158 | int exitstatus; |
f86702cc | 5159 | if (errno & 255) |
e5218da5 | 5160 | STATUS_UNIX_SET(errno); |
9b599b2a | 5161 | else { |
e5218da5 | 5162 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5163 | if (exitstatus & 255) |
e5218da5 | 5164 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5165 | else |
e5218da5 | 5166 | STATUS_UNIX_SET(255); |
9b599b2a | 5167 | } |
f86702cc | 5168 | #endif |
6136213b JGM |
5169 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5170 | abort(); | |
5171 | } | |
5172 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5173 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5174 | Perl_warn(aTHX_ "Unexpected exit failure %ld", (long)PL_statusvalue); |
6136213b JGM |
5175 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5176 | } | |
f86702cc | 5177 | my_exit_jump(); |
93a17b20 LW |
5178 | } |
5179 | ||
76e3520e | 5180 | STATIC void |
cea2e8a9 | 5181 | S_my_exit_jump(pTHX) |
f86702cc | 5182 | { |
3280af22 NIS |
5183 | if (PL_e_script) { |
5184 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5185 | PL_e_script = NULL; |
f86702cc | 5186 | } |
5187 | ||
3280af22 | 5188 | POPSTACK_TO(PL_mainstack); |
3706fcea DM |
5189 | if (cxstack_ix >= 0) { |
5190 | dounwind(-1); | |
ed8ff0f3 | 5191 | cx_popblock(cxstack); |
3706fcea | 5192 | } |
f97a0ef2 | 5193 | LEAVE_SCOPE(0); |
ff0cee69 | 5194 | |
6224f72b | 5195 | JMPENV_JUMP(2); |
f86702cc | 5196 | } |
873ef191 | 5197 | |
0cb96387 | 5198 | static I32 |
acfe0abc | 5199 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5200 | { |
9d4ba2ae AL |
5201 | const char * const p = SvPVX_const(PL_e_script); |
5202 | const char *nl = strchr(p, '\n'); | |
5203 | ||
5204 | PERL_UNUSED_ARG(idx); | |
5205 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5206 | |
3280af22 | 5207 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5208 | if (nl-p == 0) { |
0cb96387 | 5209 | filter_del(read_e_script); |
873ef191 | 5210 | return 0; |
7dfe3f66 | 5211 | } |
873ef191 | 5212 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5213 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5214 | return 1; |
5215 | } | |
66610fdd | 5216 | |
db6e00bd DD |
5217 | /* removes boilerplate code at the end of each boot_Module xsub */ |
5218 | void | |
b01a1eea | 5219 | Perl_xs_boot_epilog(pTHX_ const I32 ax) |
db6e00bd DD |
5220 | { |
5221 | if (PL_unitcheckav) | |
5222 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
5223 | XSRETURN_YES; | |
5224 | } | |
5225 | ||
66610fdd | 5226 | /* |
14d04a33 | 5227 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5228 | */ |