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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 |
166f8a29 DM |
25 | */ |
26 | ||
c44493f1 | 27 | #if defined(PERL_IS_MINIPERL) && !defined(USE_SITECUSTOMIZE) |
43c0c913 NC |
28 | # define USE_SITECUSTOMIZE |
29 | #endif | |
30 | ||
378cc40b | 31 | #include "EXTERN.h" |
864dbfa3 | 32 | #define PERL_IN_PERL_C |
378cc40b | 33 | #include "perl.h" |
e3321bb0 | 34 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 35 | #include "XSUB.h" |
378cc40b | 36 | |
011f1a1a JH |
37 | #ifdef NETWARE |
38 | #include "nwutil.h" | |
011f1a1a JH |
39 | #endif |
40 | ||
2aa47728 | 41 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
bf357333 NC |
42 | # ifdef I_SYSUIO |
43 | # include <sys/uio.h> | |
44 | # endif | |
45 | ||
46 | union control_un { | |
47 | struct cmsghdr cm; | |
48 | char control[CMSG_SPACE(sizeof(int))]; | |
49 | }; | |
50 | ||
2aa47728 NC |
51 | #endif |
52 | ||
5311654c JH |
53 | #ifndef HZ |
54 | # ifdef CLK_TCK | |
55 | # define HZ CLK_TCK | |
56 | # else | |
57 | # define HZ 60 | |
58 | # endif | |
59 | #endif | |
60 | ||
7114a2d2 | 61 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 62 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 63 | #endif |
64 | ||
acfe0abc | 65 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 66 | |
cc69b689 | 67 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
b24bc095 | 68 | # define validate_suid(rsfp) NOOP |
cc69b689 | 69 | #else |
b24bc095 | 70 | # define validate_suid(rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 71 | #endif |
8d063cd8 | 72 | |
d6f07c05 AL |
73 | #define CALL_BODY_SUB(myop) \ |
74 | if (PL_op == (myop)) \ | |
139d0ce6 | 75 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
76 | if (PL_op) \ |
77 | CALLRUNOPS(aTHX); | |
78 | ||
79 | #define CALL_LIST_BODY(cv) \ | |
80 | PUSHMARK(PL_stack_sp); \ | |
9a8aa25b | 81 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD|G_VOID); |
d6f07c05 | 82 | |
e6827a76 | 83 | static void |
daa7d858 | 84 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 85 | { |
27da23d5 | 86 | dVAR; |
e6827a76 NC |
87 | if (!PL_curinterp) { |
88 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 89 | #if defined(USE_ITHREADS) |
e6827a76 NC |
90 | INIT_THREADS; |
91 | ALLOC_THREAD_KEY; | |
92 | PERL_SET_THX(my_perl); | |
93 | OP_REFCNT_INIT; | |
e8570548 | 94 | OP_CHECK_MUTEX_INIT; |
71ad1b0c | 95 | HINTS_REFCNT_INIT; |
929e1213 | 96 | LOCALE_INIT; |
e6827a76 | 97 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
98 | MUTEX_INIT(&PL_my_ctx_mutex); |
99 | # endif | |
e6827a76 | 100 | } |
c0bce9aa NC |
101 | #if defined(USE_ITHREADS) |
102 | else | |
103 | #else | |
104 | /* This always happens for non-ithreads */ | |
105 | #endif | |
106 | { | |
e6827a76 NC |
107 | PERL_SET_THX(my_perl); |
108 | } | |
109 | } | |
06d86050 | 110 | |
cbec8ebe DM |
111 | |
112 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
113 | ||
114 | void | |
115 | Perl_sys_init(int* argc, char*** argv) | |
116 | { | |
4fc0badb | 117 | dVAR; |
7918f24d NC |
118 | |
119 | PERL_ARGS_ASSERT_SYS_INIT; | |
120 | ||
cbec8ebe DM |
121 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
122 | PERL_UNUSED_ARG(argv); | |
123 | PERL_SYS_INIT_BODY(argc, argv); | |
124 | } | |
125 | ||
126 | void | |
127 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
128 | { | |
4fc0badb | 129 | dVAR; |
7918f24d NC |
130 | |
131 | PERL_ARGS_ASSERT_SYS_INIT3; | |
132 | ||
cbec8ebe DM |
133 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
134 | PERL_UNUSED_ARG(argv); | |
135 | PERL_UNUSED_ARG(env); | |
136 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
137 | } | |
138 | ||
139 | void | |
88772978 | 140 | Perl_sys_term(void) |
cbec8ebe | 141 | { |
4fc0badb | 142 | dVAR; |
bf81751b DM |
143 | if (!PL_veto_cleanup) { |
144 | PERL_SYS_TERM_BODY(); | |
145 | } | |
cbec8ebe DM |
146 | } |
147 | ||
148 | ||
32e30700 GS |
149 | #ifdef PERL_IMPLICIT_SYS |
150 | PerlInterpreter * | |
7766f137 GS |
151 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
152 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
153 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
154 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
155 | struct IPerlProc* ipP) | |
156 | { | |
157 | PerlInterpreter *my_perl; | |
7918f24d NC |
158 | |
159 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
160 | ||
9f653bb5 | 161 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 162 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 163 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
164 | Zero(my_perl, 1, PerlInterpreter); |
165 | PL_Mem = ipM; | |
7766f137 GS |
166 | PL_MemShared = ipMS; |
167 | PL_MemParse = ipMP; | |
32e30700 GS |
168 | PL_Env = ipE; |
169 | PL_StdIO = ipStd; | |
170 | PL_LIO = ipLIO; | |
171 | PL_Dir = ipD; | |
172 | PL_Sock = ipS; | |
173 | PL_Proc = ipP; | |
7cb608b5 | 174 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 175 | |
32e30700 GS |
176 | return my_perl; |
177 | } | |
178 | #else | |
954c1994 GS |
179 | |
180 | /* | |
ccfc67b7 JH |
181 | =head1 Embedding Functions |
182 | ||
954c1994 GS |
183 | =for apidoc perl_alloc |
184 | ||
185 | Allocates a new Perl interpreter. See L<perlembed>. | |
186 | ||
187 | =cut | |
188 | */ | |
189 | ||
93a17b20 | 190 | PerlInterpreter * |
cea2e8a9 | 191 | perl_alloc(void) |
79072805 | 192 | { |
cea2e8a9 | 193 | PerlInterpreter *my_perl; |
79072805 | 194 | |
9f653bb5 | 195 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 196 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 197 | |
e6827a76 | 198 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 199 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 200 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
201 | #else |
202 | Zero(my_perl, 1, PerlInterpreter); | |
203 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
204 | return my_perl; | |
205 | #endif | |
79072805 | 206 | } |
32e30700 | 207 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 208 | |
954c1994 GS |
209 | /* |
210 | =for apidoc perl_construct | |
211 | ||
212 | Initializes a new Perl interpreter. See L<perlembed>. | |
213 | ||
214 | =cut | |
215 | */ | |
216 | ||
79072805 | 217 | void |
0cb96387 | 218 | perl_construct(pTHXx) |
79072805 | 219 | { |
27da23d5 | 220 | dVAR; |
7918f24d NC |
221 | |
222 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
223 | ||
8990e307 | 224 | #ifdef MULTIPLICITY |
54aff467 | 225 | init_interp(); |
ac27b0f5 | 226 | PL_perl_destruct_level = 1; |
54aff467 | 227 | #else |
7918f24d | 228 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
229 | if (PL_perl_destruct_level > 0) |
230 | init_interp(); | |
231 | #endif | |
34caed6d DM |
232 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
233 | ||
75d476e2 S |
234 | #ifdef PERL_TRACE_OPS |
235 | Zero(PL_op_exec_cnt, OP_max+2, UV); | |
236 | #endif | |
237 | ||
0d96b528 | 238 | init_constants(); |
34caed6d DM |
239 | |
240 | SvREADONLY_on(&PL_sv_placeholder); | |
fe54beba | 241 | SvREFCNT(&PL_sv_placeholder) = SvREFCNT_IMMORTAL; |
34caed6d DM |
242 | |
243 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 244 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 245 | PL_pidstatus = newHV(); |
ca0c25f6 | 246 | #endif |
79072805 | 247 | |
396482e1 | 248 | PL_rs = newSVpvs("\n"); |
dc92893f | 249 | |
cea2e8a9 | 250 | init_stacks(); |
79072805 | 251 | |
748a9306 | 252 | init_ids(); |
a5f75d66 | 253 | |
312caa8e | 254 | JMPENV_BOOTSTRAP; |
f86702cc | 255 | STATUS_ALL_SUCCESS; |
256 | ||
0672f40e | 257 | init_i18nl10n(1); |
0b5b802d | 258 | |
ab821d7f | 259 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 260 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 261 | #endif |
262 | ||
52853b95 GS |
263 | #ifdef HAVE_INTERP_INTERN |
264 | sys_intern_init(); | |
265 | #endif | |
266 | ||
3a1ee7e8 | 267 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 268 | |
3280af22 NIS |
269 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
270 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 271 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
272 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
273 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
274 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 275 | #ifdef USE_ITHREADS |
402d2eb1 NC |
276 | /* First entry is a list of empty elements. It needs to be initialised |
277 | else all hell breaks loose in S_find_uninit_var(). */ | |
278 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 279 | PL_regex_pad = AvARRAY(PL_regex_padav); |
d4d03940 | 280 | Newxz(PL_stashpad, PL_stashpadmax, HV *); |
1fcf4c12 | 281 | #endif |
e5dd39fc | 282 | #ifdef USE_REENTRANT_API |
59bd0823 | 283 | Perl_reentrant_init(aTHX); |
e5dd39fc | 284 | #endif |
7dc86639 YO |
285 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
286 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
287 | * This MUST be done before any hash stores or fetches take place. | |
288 | * If you set PL_hash_seed (and presumably also PL_hash_seed_set) | |
289 | * yourself, it is your responsibility to provide a good random seed! | |
290 | * You can also define PERL_HASH_SEED in compile time, see hv.h. | |
291 | * | |
292 | * XXX: fix this comment */ | |
293 | if (PL_hash_seed_set == FALSE) { | |
294 | Perl_get_hash_seed(aTHX_ PL_hash_seed); | |
295 | PL_hash_seed_set= TRUE; | |
296 | } | |
297 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
3d47000e AB |
298 | |
299 | /* Note that strtab is a rather special HV. Assumptions are made | |
300 | about not iterating on it, and not adding tie magic to it. | |
301 | It is properly deallocated in perl_destruct() */ | |
302 | PL_strtab = newHV(); | |
303 | ||
3d47000e AB |
304 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
305 | hv_ksplit(PL_strtab, 512); | |
306 | ||
a38ab475 RZ |
307 | Zero(PL_sv_consts, SV_CONSTS_COUNT, SV*); |
308 | ||
2f42fcb0 JH |
309 | #ifndef PERL_MICRO |
310 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 311 | PL_origenviron = environ; |
2f42fcb0 | 312 | # endif |
0631ea03 AB |
313 | #endif |
314 | ||
5311654c | 315 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 316 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
317 | * The HZ if not originally defined has been by now |
318 | * been defined as CLK_TCK, if available. */ | |
b6c36746 | 319 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) |
5311654c JH |
320 | PL_clocktick = sysconf(_SC_CLK_TCK); |
321 | if (PL_clocktick <= 0) | |
322 | #endif | |
323 | PL_clocktick = HZ; | |
324 | ||
081fc587 AB |
325 | PL_stashcache = newHV(); |
326 | ||
e8e3635e | 327 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 328 | |
27da23d5 JH |
329 | #ifdef HAS_MMAP |
330 | if (!PL_mmap_page_size) { | |
331 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
332 | { | |
333 | SETERRNO(0, SS_NORMAL); | |
334 | # ifdef _SC_PAGESIZE | |
335 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
336 | # else | |
337 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
338 | # endif | |
339 | if ((long) PL_mmap_page_size < 0) { | |
340 | if (errno) { | |
44f8325f | 341 | SV * const error = ERRSV; |
d4c19fe8 | 342 | SvUPGRADE(error, SVt_PV); |
0510663f | 343 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
344 | } |
345 | else | |
346 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
347 | } | |
348 | } | |
349 | #else | |
350 | # ifdef HAS_GETPAGESIZE | |
351 | PL_mmap_page_size = getpagesize(); | |
352 | # else | |
353 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
354 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
355 | # endif | |
356 | # endif | |
357 | #endif | |
358 | if (PL_mmap_page_size <= 0) | |
359 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
360 | (IV) PL_mmap_page_size); | |
361 | } | |
362 | #endif /* HAS_MMAP */ | |
363 | ||
364 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
365 | PL_timesbase.tms_utime = 0; | |
366 | PL_timesbase.tms_stime = 0; | |
367 | PL_timesbase.tms_cutime = 0; | |
368 | PL_timesbase.tms_cstime = 0; | |
369 | #endif | |
370 | ||
7d113631 NC |
371 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
372 | ||
a3e6e81e | 373 | PL_registered_mros = newHV(); |
9e169432 NC |
374 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
375 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 376 | |
7b8dd5f4 KW |
377 | PL_XPosix_ptrs[_CC_ASCII] = _new_invlist_C_array(ASCII_invlist); |
378 | PL_XPosix_ptrs[_CC_ALPHANUMERIC] = _new_invlist_C_array(XPosixAlnum_invlist); | |
379 | PL_XPosix_ptrs[_CC_ALPHA] = _new_invlist_C_array(XPosixAlpha_invlist); | |
380 | PL_XPosix_ptrs[_CC_BLANK] = _new_invlist_C_array(XPosixBlank_invlist); | |
381 | PL_XPosix_ptrs[_CC_CASED] = _new_invlist_C_array(Cased_invlist); | |
382 | PL_XPosix_ptrs[_CC_CNTRL] = _new_invlist_C_array(XPosixCntrl_invlist); | |
383 | PL_XPosix_ptrs[_CC_DIGIT] = _new_invlist_C_array(XPosixDigit_invlist); | |
384 | PL_XPosix_ptrs[_CC_GRAPH] = _new_invlist_C_array(XPosixGraph_invlist); | |
385 | PL_XPosix_ptrs[_CC_LOWER] = _new_invlist_C_array(XPosixLower_invlist); | |
386 | PL_XPosix_ptrs[_CC_PRINT] = _new_invlist_C_array(XPosixPrint_invlist); | |
387 | PL_XPosix_ptrs[_CC_PUNCT] = _new_invlist_C_array(XPosixPunct_invlist); | |
388 | PL_XPosix_ptrs[_CC_SPACE] = _new_invlist_C_array(XPerlSpace_invlist); | |
7b8dd5f4 KW |
389 | PL_XPosix_ptrs[_CC_UPPER] = _new_invlist_C_array(XPosixUpper_invlist); |
390 | PL_XPosix_ptrs[_CC_VERTSPACE] = _new_invlist_C_array(VertSpace_invlist); | |
391 | PL_XPosix_ptrs[_CC_WORDCHAR] = _new_invlist_C_array(XPosixWord_invlist); | |
392 | PL_XPosix_ptrs[_CC_XDIGIT] = _new_invlist_C_array(XPosixXDigit_invlist); | |
02f811dd | 393 | PL_GCB_invlist = _new_invlist_C_array(_Perl_GCB_invlist); |
bf4268fa KW |
394 | PL_SB_invlist = _new_invlist_C_array(_Perl_SB_invlist); |
395 | PL_WB_invlist = _new_invlist_C_array(_Perl_WB_invlist); | |
6b659339 | 396 | PL_LB_invlist = _new_invlist_C_array(_Perl_LB_invlist); |
7b8dd5f4 | 397 | |
8990e307 | 398 | ENTER; |
79072805 LW |
399 | } |
400 | ||
954c1994 | 401 | /* |
62375a60 NIS |
402 | =for apidoc nothreadhook |
403 | ||
404 | Stub that provides thread hook for perl_destruct when there are | |
405 | no threads. | |
406 | ||
407 | =cut | |
408 | */ | |
409 | ||
410 | int | |
4e9e3734 | 411 | Perl_nothreadhook(pTHX) |
62375a60 | 412 | { |
96a5add6 | 413 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
414 | return 0; |
415 | } | |
416 | ||
41e4abd8 NC |
417 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
418 | void | |
419 | Perl_dump_sv_child(pTHX_ SV *sv) | |
420 | { | |
421 | ssize_t got; | |
bf357333 NC |
422 | const int sock = PL_dumper_fd; |
423 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
424 | union control_un control; |
425 | struct msghdr msg; | |
808ad2d0 | 426 | struct iovec vec[2]; |
bf357333 | 427 | struct cmsghdr *cmptr; |
808ad2d0 NC |
428 | int returned_errno; |
429 | unsigned char buffer[256]; | |
41e4abd8 | 430 | |
7918f24d NC |
431 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
432 | ||
bf357333 | 433 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
434 | return; |
435 | ||
436 | PerlIO_flush(Perl_debug_log); | |
437 | ||
bf357333 NC |
438 | /* All these shenanigans are to pass a file descriptor over to our child for |
439 | it to dump out to. We can't let it hold open the file descriptor when it | |
440 | forks, as the file descriptor it will dump to can turn out to be one end | |
441 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 442 | be open, the wait would be forever.) */ |
bf357333 NC |
443 | |
444 | msg.msg_control = control.control; | |
445 | msg.msg_controllen = sizeof(control.control); | |
446 | /* We're a connected socket so we don't need a destination */ | |
447 | msg.msg_name = NULL; | |
448 | msg.msg_namelen = 0; | |
449 | msg.msg_iov = vec; | |
808ad2d0 | 450 | msg.msg_iovlen = 1; |
bf357333 NC |
451 | |
452 | cmptr = CMSG_FIRSTHDR(&msg); | |
453 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
454 | cmptr->cmsg_level = SOL_SOCKET; | |
455 | cmptr->cmsg_type = SCM_RIGHTS; | |
456 | *((int *)CMSG_DATA(cmptr)) = 1; | |
457 | ||
458 | vec[0].iov_base = (void*)&sv; | |
459 | vec[0].iov_len = sizeof(sv); | |
460 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
461 | |
462 | if(got < 0) { | |
bf357333 | 463 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
464 | abort(); |
465 | } | |
bf357333 NC |
466 | if(got < sizeof(sv)) { |
467 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
468 | abort(); |
469 | } | |
470 | ||
808ad2d0 NC |
471 | /* Return protocol is |
472 | int: errno value | |
473 | unsigned char: length of location string (0 for empty) | |
474 | unsigned char*: string (not terminated) | |
475 | */ | |
476 | vec[0].iov_base = (void*)&returned_errno; | |
477 | vec[0].iov_len = sizeof(returned_errno); | |
478 | vec[1].iov_base = buffer; | |
479 | vec[1].iov_len = 1; | |
480 | ||
481 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
482 | |
483 | if(got < 0) { | |
484 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 485 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
486 | abort(); |
487 | } | |
808ad2d0 | 488 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 489 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 490 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
491 | abort(); |
492 | } | |
493 | ||
808ad2d0 NC |
494 | if (*buffer) { |
495 | got = read(sock, buffer + 1, *buffer); | |
496 | if(got < 0) { | |
497 | perror("Debug leaking scalars parent read 2 failed"); | |
498 | PerlIO_flush(PerlIO_stderr()); | |
499 | abort(); | |
500 | } | |
501 | ||
502 | if(got < *buffer) { | |
503 | perror("Debug leaking scalars parent short read 2"); | |
504 | PerlIO_flush(PerlIO_stderr()); | |
505 | abort(); | |
506 | } | |
507 | } | |
508 | ||
509 | if (returned_errno || *buffer) { | |
510 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
511 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
0c0d42ff | 512 | returned_errno, Strerror(returned_errno)); |
41e4abd8 NC |
513 | } |
514 | } | |
515 | #endif | |
516 | ||
62375a60 | 517 | /* |
954c1994 GS |
518 | =for apidoc perl_destruct |
519 | ||
520 | Shuts down a Perl interpreter. See L<perlembed>. | |
521 | ||
522 | =cut | |
523 | */ | |
524 | ||
31d77e54 | 525 | int |
0cb96387 | 526 | perl_destruct(pTHXx) |
79072805 | 527 | { |
27da23d5 | 528 | dVAR; |
be2ea8ed | 529 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 530 | HV *hv; |
2aa47728 | 531 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
532 | pid_t child; |
533 | #endif | |
9c0b6888 | 534 | int i; |
8990e307 | 535 | |
7918f24d NC |
536 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
537 | #ifndef MULTIPLICITY | |
ed6c66dd | 538 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 539 | #endif |
9d4ba2ae | 540 | |
3d22c4f0 GG |
541 | assert(PL_scopestack_ix == 1); |
542 | ||
7766f137 GS |
543 | /* wait for all pseudo-forked children to finish */ |
544 | PERL_WAIT_FOR_CHILDREN; | |
545 | ||
3280af22 | 546 | destruct_level = PL_perl_destruct_level; |
36e77d41 | 547 | #if defined(DEBUGGING) || defined(PERL_TRACK_MEMPOOL) |
4633a7c4 | 548 | { |
9d4ba2ae AL |
549 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
550 | if (s) { | |
96e440d2 JH |
551 | int i; |
552 | if (strEQ(s, "-1")) { /* Special case: modperl folklore. */ | |
553 | i = -1; | |
554 | } else { | |
22ff3130 HS |
555 | UV uv; |
556 | if (grok_atoUV(s, &uv, NULL) && uv <= INT_MAX) | |
557 | i = (int)uv; | |
558 | else | |
559 | i = 0; | |
96e440d2 | 560 | } |
36e77d41 DD |
561 | #ifdef DEBUGGING |
562 | if (destruct_level < i) destruct_level = i; | |
563 | #endif | |
564 | #ifdef PERL_TRACK_MEMPOOL | |
f5199772 KW |
565 | /* RT #114496, for perl_free */ |
566 | PL_perl_destruct_level = i; | |
36e77d41 | 567 | #endif |
5f05dabc | 568 | } |
4633a7c4 LW |
569 | } |
570 | #endif | |
571 | ||
27da23d5 | 572 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
573 | dJMPENV; |
574 | int x = 0; | |
575 | ||
576 | JMPENV_PUSH(x); | |
1b6737cc | 577 | PERL_UNUSED_VAR(x); |
9ebf26ad | 578 | if (PL_endav && !PL_minus_c) { |
ca7b837b | 579 | PERL_SET_PHASE(PERL_PHASE_END); |
f3faeb53 | 580 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 581 | } |
f3faeb53 | 582 | JMPENV_POP; |
26f423df | 583 | } |
f3faeb53 | 584 | LEAVE; |
a0d0e21e | 585 | FREETMPS; |
3d22c4f0 | 586 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 587 | |
e00b64d4 | 588 | /* Need to flush since END blocks can produce output */ |
8abddda3 TC |
589 | /* flush stdout separately, since we can identify it */ |
590 | #ifdef USE_PERLIO | |
591 | { | |
592 | PerlIO *stdo = PerlIO_stdout(); | |
593 | if (*stdo && PerlIO_flush(stdo)) { | |
594 | PerlIO_restore_errno(stdo); | |
595 | PerlIO_printf(PerlIO_stderr(), "Unable to flush stdout: %s", | |
596 | Strerror(errno)); | |
597 | if (!STATUS_UNIX) | |
598 | STATUS_ALL_FAILURE; | |
599 | } | |
600 | } | |
601 | #endif | |
f13a2bc0 | 602 | my_fflush_all(); |
e00b64d4 | 603 | |
75d476e2 S |
604 | #ifdef PERL_TRACE_OPS |
605 | /* If we traced all Perl OP usage, report and clean up */ | |
606 | PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); | |
607 | for (i = 0; i <= OP_max; ++i) { | |
608 | PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); | |
609 | PL_op_exec_cnt[i] = 0; | |
610 | } | |
611 | /* Utility slot for easily doing little tracing experiments in the runloop: */ | |
612 | if (PL_op_exec_cnt[OP_max+1] != 0) | |
613 | PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); | |
614 | PerlIO_printf(Perl_debug_log, "\n"); | |
615 | #endif | |
616 | ||
617 | ||
16c91539 | 618 | if (PL_threadhook(aTHX)) { |
62375a60 | 619 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 620 | PL_veto_cleanup = TRUE; |
37038d91 | 621 | return STATUS_EXIT; |
62375a60 NIS |
622 | } |
623 | ||
2aa47728 NC |
624 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
625 | if (destruct_level != 0) { | |
626 | /* Fork here to create a child. Our child's job is to preserve the | |
627 | state of scalars prior to destruction, so that we can instruct it | |
628 | to dump any scalars that we later find have leaked. | |
629 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
630 | fail gracefully */ | |
631 | int fd[2]; | |
632 | ||
633 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
634 | perror("Debug leaking scalars socketpair failed"); | |
635 | abort(); | |
636 | } | |
637 | ||
638 | child = fork(); | |
639 | if(child == -1) { | |
640 | perror("Debug leaking scalars fork failed"); | |
641 | abort(); | |
642 | } | |
643 | if (!child) { | |
644 | /* We are the child */ | |
3125a5a4 NC |
645 | const int sock = fd[1]; |
646 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
647 | int f; | |
808ad2d0 NC |
648 | const char *where; |
649 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 650 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 651 | |
2aa47728 | 652 | close(fd[0]); |
2aa47728 | 653 | |
3125a5a4 NC |
654 | /* We need to close all other file descriptors otherwise we end up |
655 | with interesting hangs, where the parent closes its end of a | |
656 | pipe, and sits waiting for (another) child to terminate. Only | |
657 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
658 | we also have the far end of the pipe open. We even need to |
659 | close the debugging fd, because sometimes it happens to be one | |
660 | end of a pipe, and a process is waiting on the other end for | |
661 | EOF. Normally it would be closed at some point earlier in | |
662 | destruction, but if we happen to cause the pipe to remain open, | |
663 | EOF never occurs, and we get an infinite hang. Hence all the | |
664 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
665 | |
666 | f = sysconf(_SC_OPEN_MAX); | |
667 | if(f < 0) { | |
808ad2d0 NC |
668 | where = "sysconf failed"; |
669 | goto abort; | |
3125a5a4 NC |
670 | } |
671 | while (f--) { | |
672 | if (f == sock) | |
673 | continue; | |
3125a5a4 NC |
674 | close(f); |
675 | } | |
676 | ||
2aa47728 NC |
677 | while (1) { |
678 | SV *target; | |
bf357333 NC |
679 | union control_un control; |
680 | struct msghdr msg; | |
681 | struct iovec vec[1]; | |
682 | struct cmsghdr *cmptr; | |
683 | ssize_t got; | |
684 | int got_fd; | |
685 | ||
686 | msg.msg_control = control.control; | |
687 | msg.msg_controllen = sizeof(control.control); | |
688 | /* We're a connected socket so we don't need a source */ | |
689 | msg.msg_name = NULL; | |
690 | msg.msg_namelen = 0; | |
691 | msg.msg_iov = vec; | |
c3caa5c3 | 692 | msg.msg_iovlen = C_ARRAY_LENGTH(vec); |
bf357333 NC |
693 | |
694 | vec[0].iov_base = (void*)⌖ | |
695 | vec[0].iov_len = sizeof(target); | |
696 | ||
697 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
698 | |
699 | if(got == 0) | |
700 | break; | |
701 | if(got < 0) { | |
808ad2d0 NC |
702 | where = "recv failed"; |
703 | goto abort; | |
2aa47728 NC |
704 | } |
705 | if(got < sizeof(target)) { | |
808ad2d0 NC |
706 | where = "short recv"; |
707 | goto abort; | |
2aa47728 | 708 | } |
bf357333 | 709 | |
808ad2d0 NC |
710 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
711 | where = "no cmsg"; | |
712 | goto abort; | |
713 | } | |
714 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
715 | where = "wrong cmsg_len"; | |
716 | goto abort; | |
717 | } | |
718 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
719 | where = "wrong cmsg_level"; | |
720 | goto abort; | |
721 | } | |
722 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
723 | where = "wrong cmsg_type"; | |
724 | goto abort; | |
725 | } | |
bf357333 NC |
726 | |
727 | got_fd = *(int*)CMSG_DATA(cmptr); | |
728 | /* For our last little bit of trickery, put the file descriptor | |
729 | back into Perl_debug_log, as if we never actually closed it | |
730 | */ | |
808ad2d0 NC |
731 | if(got_fd != debug_fd) { |
732 | if (dup2(got_fd, debug_fd) == -1) { | |
733 | where = "dup2"; | |
734 | goto abort; | |
735 | } | |
736 | } | |
2aa47728 | 737 | sv_dump(target); |
bf357333 | 738 | |
2aa47728 NC |
739 | PerlIO_flush(Perl_debug_log); |
740 | ||
808ad2d0 | 741 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
742 | |
743 | if(got < 0) { | |
808ad2d0 NC |
744 | where = "write failed"; |
745 | goto abort; | |
2aa47728 | 746 | } |
808ad2d0 NC |
747 | if(got < sizeof(success)) { |
748 | where = "short write"; | |
749 | goto abort; | |
2aa47728 NC |
750 | } |
751 | } | |
752 | _exit(0); | |
808ad2d0 NC |
753 | abort: |
754 | { | |
755 | int send_errno = errno; | |
756 | unsigned char length = (unsigned char) strlen(where); | |
757 | struct iovec failure[3] = { | |
758 | {(void*)&send_errno, sizeof(send_errno)}, | |
759 | {&length, 1}, | |
760 | {(void*)where, length} | |
761 | }; | |
762 | int got = writev(sock, failure, 3); | |
763 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
764 | in the parent if we try to read from the socketpair after the | |
765 | child has exited, even if there was data to read. | |
766 | So sleep a bit to give the parent a fighting chance of | |
767 | reading the data. */ | |
768 | sleep(2); | |
769 | _exit((got == -1) ? errno : 0); | |
770 | } | |
bf357333 | 771 | /* End of child. */ |
2aa47728 | 772 | } |
41e4abd8 | 773 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
774 | close(fd[1]); |
775 | } | |
776 | #endif | |
777 | ||
ff0cee69 | 778 | /* We must account for everything. */ |
779 | ||
780 | /* Destroy the main CV and syntax tree */ | |
37e77c23 FC |
781 | /* Set PL_curcop now, because destroying ops can cause new SVs |
782 | to be generated in Perl_pad_swipe, and when running with | |
783 | -DDEBUG_LEAKING_SCALARS they expect PL_curcop to point to a valid | |
784 | op from which the filename structure member is copied. */ | |
17fbfdf6 | 785 | PL_curcop = &PL_compiling; |
3280af22 | 786 | if (PL_main_root) { |
4e380990 DM |
787 | /* ensure comppad/curpad to refer to main's pad */ |
788 | if (CvPADLIST(PL_main_cv)) { | |
789 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
325e1816 | 790 | PL_comppad_name = PadlistNAMES(CvPADLIST(PL_main_cv)); |
4e380990 | 791 | } |
3280af22 | 792 | op_free(PL_main_root); |
5f66b61c | 793 | PL_main_root = NULL; |
a0d0e21e | 794 | } |
5f66b61c | 795 | PL_main_start = NULL; |
aac9d523 DM |
796 | /* note that PL_main_cv isn't usually actually freed at this point, |
797 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
798 | * get freed once all the subs are freed in sv_clean_all(), for | |
799 | * destruct_level > 0 */ | |
3280af22 | 800 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 801 | PL_main_cv = NULL; |
ca7b837b | 802 | PERL_SET_PHASE(PERL_PHASE_DESTRUCT); |
ff0cee69 | 803 | |
13621cfb NIS |
804 | /* Tell PerlIO we are about to tear things apart in case |
805 | we have layers which are using resources that should | |
806 | be cleaned up now. | |
807 | */ | |
808 | ||
809 | PerlIO_destruct(aTHX); | |
810 | ||
ddf23d4a S |
811 | /* |
812 | * Try to destruct global references. We do this first so that the | |
813 | * destructors and destructees still exist. Some sv's might remain. | |
814 | * Non-referenced objects are on their own. | |
815 | */ | |
816 | sv_clean_objs(); | |
8990e307 | 817 | |
5cd24f17 | 818 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 819 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 820 | PL_warnhook = NULL; |
3280af22 | 821 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 822 | PL_diehook = NULL; |
5cd24f17 | 823 | |
4b556e6c | 824 | /* call exit list functions */ |
3280af22 | 825 | while (PL_exitlistlen-- > 0) |
acfe0abc | 826 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 827 | |
3280af22 | 828 | Safefree(PL_exitlist); |
4b556e6c | 829 | |
1c4916e5 CB |
830 | PL_exitlist = NULL; |
831 | PL_exitlistlen = 0; | |
832 | ||
a3e6e81e NC |
833 | SvREFCNT_dec(PL_registered_mros); |
834 | ||
551a8b83 | 835 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
836 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
837 | * so we certainly shouldn't free it here | |
838 | */ | |
2f42fcb0 | 839 | #ifndef PERL_MICRO |
4b647fb0 | 840 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 841 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
842 | #ifdef USE_ITHREADS |
843 | /* only main thread can free environ[0] contents */ | |
844 | && PL_curinterp == aTHX | |
845 | #endif | |
846 | ) | |
847 | { | |
551a8b83 JH |
848 | I32 i; |
849 | ||
850 | for (i = 0; environ[i]; i++) | |
4b420006 | 851 | safesysfree(environ[i]); |
0631ea03 | 852 | |
4b420006 JH |
853 | /* Must use safesysfree() when working with environ. */ |
854 | safesysfree(environ); | |
551a8b83 JH |
855 | |
856 | environ = PL_origenviron; | |
857 | } | |
858 | #endif | |
2f42fcb0 | 859 | #endif /* !PERL_MICRO */ |
551a8b83 | 860 | |
30985c42 JH |
861 | if (destruct_level == 0) { |
862 | ||
863 | DEBUG_P(debprofdump()); | |
864 | ||
865 | #if defined(PERLIO_LAYERS) | |
866 | /* No more IO - including error messages ! */ | |
867 | PerlIO_cleanup(aTHX); | |
868 | #endif | |
869 | ||
870 | CopFILE_free(&PL_compiling); | |
30985c42 JH |
871 | |
872 | /* The exit() function will do everything that needs doing. */ | |
873 | return STATUS_EXIT; | |
874 | } | |
875 | ||
9fa9f06b KW |
876 | /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */ |
877 | ||
5f8cb046 DM |
878 | #ifdef USE_ITHREADS |
879 | /* the syntax tree is shared between clones | |
880 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
881 | * REGEXPs in the parent interpreter | |
882 | * we need to manually ReREFCNT_dec for the clones | |
883 | */ | |
0547a729 DM |
884 | { |
885 | I32 i = AvFILLp(PL_regex_padav); | |
886 | SV **ary = AvARRAY(PL_regex_padav); | |
887 | ||
888 | for (; i; i--) { | |
889 | SvREFCNT_dec(ary[i]); | |
890 | ary[i] = &PL_sv_undef; | |
891 | } | |
892 | } | |
5f8cb046 DM |
893 | #endif |
894 | ||
0547a729 | 895 | |
ad64d0ec | 896 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
897 | PL_stashcache = NULL; |
898 | ||
5f05dabc | 899 | /* loosen bonds of global variables */ |
900 | ||
2f9285f8 DM |
901 | /* XXX can PL_parser still be non-null here? */ |
902 | if(PL_parser && PL_parser->rsfp) { | |
903 | (void)PerlIO_close(PL_parser->rsfp); | |
904 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 905 | } |
906 | ||
84386e14 RGS |
907 | if (PL_minus_F) { |
908 | Safefree(PL_splitstr); | |
909 | PL_splitstr = NULL; | |
910 | } | |
911 | ||
8ebc5c01 | 912 | /* switches */ |
3280af22 NIS |
913 | PL_minus_n = FALSE; |
914 | PL_minus_p = FALSE; | |
915 | PL_minus_l = FALSE; | |
916 | PL_minus_a = FALSE; | |
917 | PL_minus_F = FALSE; | |
918 | PL_doswitches = FALSE; | |
599cee73 | 919 | PL_dowarn = G_WARN_OFF; |
1a904fc8 | 920 | #ifdef PERL_SAWAMPERSAND |
d3b97530 | 921 | PL_sawampersand = 0; /* must save all match strings */ |
1a904fc8 | 922 | #endif |
3280af22 NIS |
923 | PL_unsafe = FALSE; |
924 | ||
925 | Safefree(PL_inplace); | |
bd61b366 | 926 | PL_inplace = NULL; |
a7cb1f99 | 927 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
928 | |
929 | if (PL_e_script) { | |
930 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 931 | PL_e_script = NULL; |
8ebc5c01 | 932 | } |
933 | ||
bf9cdc68 RG |
934 | PL_perldb = 0; |
935 | ||
8ebc5c01 | 936 | /* magical thingies */ |
937 | ||
e23d9e2f CS |
938 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
939 | PL_ofsgv = NULL; | |
5f05dabc | 940 | |
7889fe52 | 941 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 942 | PL_ors_sv = NULL; |
8ebc5c01 | 943 | |
3280af22 | 944 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 945 | PL_rs = NULL; |
dc92893f | 946 | |
d33b2eba | 947 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 948 | PL_osname = NULL; |
5f05dabc | 949 | |
3280af22 | 950 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
951 | PL_statname = NULL; |
952 | PL_statgv = NULL; | |
5f05dabc | 953 | |
8ebc5c01 | 954 | /* defgv, aka *_ should be taken care of elsewhere */ |
955 | ||
7d5ea4e7 GS |
956 | /* float buffer */ |
957 | Safefree(PL_efloatbuf); | |
bd61b366 | 958 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
959 | PL_efloatsize = 0; |
960 | ||
8ebc5c01 | 961 | /* startup and shutdown function lists */ |
3280af22 | 962 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 963 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 964 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 965 | SvREFCNT_dec(PL_checkav); |
ece599bd | 966 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
967 | SvREFCNT_dec(PL_unitcheckav); |
968 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 969 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
970 | PL_beginav = NULL; |
971 | PL_beginav_save = NULL; | |
972 | PL_endav = NULL; | |
973 | PL_checkav = NULL; | |
974 | PL_checkav_save = NULL; | |
3c10abe3 AG |
975 | PL_unitcheckav = NULL; |
976 | PL_unitcheckav_save = NULL; | |
7d49f689 | 977 | PL_initav = NULL; |
5618dfe8 | 978 | |
8ebc5c01 | 979 | /* shortcuts just get cleared */ |
a0714e2c SS |
980 | PL_hintgv = NULL; |
981 | PL_errgv = NULL; | |
a0714e2c SS |
982 | PL_argvoutgv = NULL; |
983 | PL_stdingv = NULL; | |
984 | PL_stderrgv = NULL; | |
985 | PL_last_in_gv = NULL; | |
a0714e2c SS |
986 | PL_DBsingle = NULL; |
987 | PL_DBtrace = NULL; | |
988 | PL_DBsignal = NULL; | |
a6d69523 TC |
989 | PL_DBsingle_iv = 0; |
990 | PL_DBtrace_iv = 0; | |
991 | PL_DBsignal_iv = 0; | |
601f1833 | 992 | PL_DBcv = NULL; |
7d49f689 | 993 | PL_dbargs = NULL; |
5c284bb0 | 994 | PL_debstash = NULL; |
8ebc5c01 | 995 | |
cf93a474 | 996 | SvREFCNT_dec(PL_envgv); |
f03015cd | 997 | SvREFCNT_dec(PL_incgv); |
722fa0e9 | 998 | SvREFCNT_dec(PL_argvgv); |
475b1e90 | 999 | SvREFCNT_dec(PL_replgv); |
8cece913 FC |
1000 | SvREFCNT_dec(PL_DBgv); |
1001 | SvREFCNT_dec(PL_DBline); | |
1002 | SvREFCNT_dec(PL_DBsub); | |
cf93a474 | 1003 | PL_envgv = NULL; |
f03015cd | 1004 | PL_incgv = NULL; |
722fa0e9 | 1005 | PL_argvgv = NULL; |
475b1e90 | 1006 | PL_replgv = NULL; |
8cece913 FC |
1007 | PL_DBgv = NULL; |
1008 | PL_DBline = NULL; | |
1009 | PL_DBsub = NULL; | |
1010 | ||
7a1c5554 | 1011 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1012 | PL_argvout_stack = NULL; |
8ebc5c01 | 1013 | |
5c831c24 | 1014 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1015 | PL_modglobal = NULL; |
5c831c24 | 1016 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1017 | PL_preambleav = NULL; |
5c831c24 | 1018 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1019 | PL_subname = NULL; |
ca0c25f6 | 1020 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1021 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1022 | PL_pidstatus = NULL; |
ca0c25f6 | 1023 | #endif |
5c831c24 | 1024 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1025 | PL_toptarget = NULL; |
5c831c24 | 1026 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1027 | PL_bodytarget = NULL; |
1028 | PL_formtarget = NULL; | |
5c831c24 | 1029 | |
d33b2eba | 1030 | /* free locale stuff */ |
b9582b6a | 1031 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1032 | Safefree(PL_collation_name); |
bd61b366 | 1033 | PL_collation_name = NULL; |
b9582b6a | 1034 | #endif |
d33b2eba | 1035 | |
b9582b6a | 1036 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1037 | Safefree(PL_numeric_name); |
bd61b366 | 1038 | PL_numeric_name = NULL; |
a453c169 | 1039 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1040 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1041 | #endif |
d33b2eba | 1042 | |
9c0b6888 KW |
1043 | /* clear character classes */ |
1044 | for (i = 0; i < POSIX_SWASH_COUNT; i++) { | |
1045 | SvREFCNT_dec(PL_utf8_swash_ptrs[i]); | |
1046 | PL_utf8_swash_ptrs[i] = NULL; | |
1047 | } | |
5c831c24 GS |
1048 | SvREFCNT_dec(PL_utf8_mark); |
1049 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1050 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1051 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1052 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1053 | SvREFCNT_dec(PL_utf8_idstart); |
1054 | SvREFCNT_dec(PL_utf8_idcont); | |
c60f4405 | 1055 | SvREFCNT_dec(PL_utf8_foldable); |
2726813d | 1056 | SvREFCNT_dec(PL_utf8_foldclosures); |
9fa9f06b | 1057 | SvREFCNT_dec(PL_AboveLatin1); |
e0a1ff7a | 1058 | SvREFCNT_dec(PL_InBitmap); |
9fa9f06b KW |
1059 | SvREFCNT_dec(PL_UpperLatin1); |
1060 | SvREFCNT_dec(PL_Latin1); | |
1061 | SvREFCNT_dec(PL_NonL1NonFinalFold); | |
1062 | SvREFCNT_dec(PL_HasMultiCharFold); | |
5b7de470 | 1063 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1064 | SvREFCNT_dec(PL_warn_locale); |
5b7de470 | 1065 | #endif |
a0714e2c SS |
1066 | PL_utf8_mark = NULL; |
1067 | PL_utf8_toupper = NULL; | |
1068 | PL_utf8_totitle = NULL; | |
1069 | PL_utf8_tolower = NULL; | |
1070 | PL_utf8_tofold = NULL; | |
1071 | PL_utf8_idstart = NULL; | |
1072 | PL_utf8_idcont = NULL; | |
2726813d | 1073 | PL_utf8_foldclosures = NULL; |
9fa9f06b | 1074 | PL_AboveLatin1 = NULL; |
e0a1ff7a | 1075 | PL_InBitmap = NULL; |
9fa9f06b | 1076 | PL_HasMultiCharFold = NULL; |
5b7de470 | 1077 | #ifdef USE_LOCALE_CTYPE |
780fcc9f | 1078 | PL_warn_locale = NULL; |
5b7de470 | 1079 | #endif |
9fa9f06b KW |
1080 | PL_Latin1 = NULL; |
1081 | PL_NonL1NonFinalFold = NULL; | |
1082 | PL_UpperLatin1 = NULL; | |
86f72d56 | 1083 | for (i = 0; i < POSIX_CC_COUNT; i++) { |
cac6e0ca KW |
1084 | SvREFCNT_dec(PL_XPosix_ptrs[i]); |
1085 | PL_XPosix_ptrs[i] = NULL; | |
86f72d56 | 1086 | } |
64935bc6 | 1087 | PL_GCB_invlist = NULL; |
6b659339 | 1088 | PL_LB_invlist = NULL; |
06ae2722 | 1089 | PL_SB_invlist = NULL; |
ae3bb8ea | 1090 | PL_WB_invlist = NULL; |
5c831c24 | 1091 | |
971a9dd3 | 1092 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1093 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1094 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1095 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1096 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 | 1097 | CopFILE_free(&PL_compiling); |
5c831c24 | 1098 | |
a0d0e21e | 1099 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1100 | |
3280af22 | 1101 | hv = PL_defstash; |
ca556bcd DM |
1102 | /* break ref loop *:: <=> %:: */ |
1103 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1104 | PL_defstash = 0; |
a0d0e21e | 1105 | SvREFCNT_dec(hv); |
5c831c24 | 1106 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1107 | PL_curstname = NULL; |
a0d0e21e | 1108 | |
5a844595 GS |
1109 | /* clear queued errors */ |
1110 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1111 | PL_errors = NULL; |
5a844595 | 1112 | |
dd69841b BB |
1113 | SvREFCNT_dec(PL_isarev); |
1114 | ||
a0d0e21e | 1115 | FREETMPS; |
9b387841 | 1116 | if (destruct_level >= 2) { |
3280af22 | 1117 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1118 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1119 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1120 | (long)PL_scopestack_ix); | |
3280af22 | 1121 | if (PL_savestack_ix != 0) |
9b387841 NC |
1122 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1123 | "Unbalanced saves: %ld more saves than restores\n", | |
1124 | (long)PL_savestack_ix); | |
3280af22 | 1125 | if (PL_tmps_floor != -1) |
9b387841 NC |
1126 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1127 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1128 | if (cxstack_ix != -1) |
9b387841 NC |
1129 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1130 | (long)cxstack_ix + 1); | |
a0d0e21e | 1131 | } |
8990e307 | 1132 | |
0547a729 DM |
1133 | #ifdef USE_ITHREADS |
1134 | SvREFCNT_dec(PL_regex_padav); | |
1135 | PL_regex_padav = NULL; | |
1136 | PL_regex_pad = NULL; | |
1137 | #endif | |
1138 | ||
776df701 | 1139 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1140 | /* the entries in this list are allocated via SV PVX's, so get freed |
1141 | * in sv_clean_all */ | |
1142 | Safefree(PL_my_cxt_list); | |
776df701 | 1143 | #endif |
57bb2458 | 1144 | |
8990e307 | 1145 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1146 | |
1147 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1148 | while (sv_clean_all() > 2) |
5226ed68 JH |
1149 | ; |
1150 | ||
23083432 FC |
1151 | #ifdef USE_ITHREADS |
1152 | Safefree(PL_stashpad); /* must come after sv_clean_all */ | |
1153 | #endif | |
1154 | ||
d4777f27 GS |
1155 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1156 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1157 | PL_fdpid = NULL; |
d33b2eba | 1158 | |
6c644e78 GS |
1159 | #ifdef HAVE_INTERP_INTERN |
1160 | sys_intern_clear(); | |
1161 | #endif | |
1162 | ||
a38ab475 RZ |
1163 | /* constant strings */ |
1164 | for (i = 0; i < SV_CONSTS_COUNT; i++) { | |
1165 | SvREFCNT_dec(PL_sv_consts[i]); | |
1166 | PL_sv_consts[i] = NULL; | |
1167 | } | |
1168 | ||
6e72f9df | 1169 | /* Destruct the global string table. */ |
1170 | { | |
1171 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1172 | * so that sv_free() won't fail on them. | |
80459961 NC |
1173 | * Now that the global string table is using a single hunk of memory |
1174 | * for both HE and HEK, we either need to explicitly unshare it the | |
1175 | * correct way, or actually free things here. | |
6e72f9df | 1176 | */ |
80459961 NC |
1177 | I32 riter = 0; |
1178 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1179 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1180 | HE *hent = array[0]; |
1181 | ||
6e72f9df | 1182 | for (;;) { |
0453d815 | 1183 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1184 | HE * const next = HeNEXT(hent); |
9014280d | 1185 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1186 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1187 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1188 | Safefree(hent); |
1189 | hent = next; | |
6e72f9df | 1190 | } |
1191 | if (!hent) { | |
1192 | if (++riter > max) | |
1193 | break; | |
1194 | hent = array[riter]; | |
1195 | } | |
1196 | } | |
80459961 NC |
1197 | |
1198 | Safefree(array); | |
1199 | HvARRAY(PL_strtab) = 0; | |
1200 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1201 | } |
3280af22 | 1202 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1203 | |
e652bb2f | 1204 | #ifdef USE_ITHREADS |
c21d1a0f | 1205 | /* free the pointer tables used for cloning */ |
a0739874 | 1206 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1207 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1208 | #endif |
a0739874 | 1209 | |
d33b2eba GS |
1210 | /* free special SVs */ |
1211 | ||
1212 | SvREFCNT(&PL_sv_yes) = 0; | |
1213 | sv_clear(&PL_sv_yes); | |
1214 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1215 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1216 | |
1217 | SvREFCNT(&PL_sv_no) = 0; | |
1218 | sv_clear(&PL_sv_no); | |
1219 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1220 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1221 | |
9f375a43 DM |
1222 | { |
1223 | int i; | |
1224 | for (i=0; i<=2; i++) { | |
1225 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1226 | sv_clear(PERL_DEBUG_PAD(i)); | |
1227 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1228 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1229 | } | |
1230 | } | |
1231 | ||
0453d815 | 1232 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1233 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1234 | |
eba0f806 DM |
1235 | #ifdef DEBUG_LEAKING_SCALARS |
1236 | if (PL_sv_count != 0) { | |
1237 | SV* sva; | |
1238 | SV* sv; | |
eb578fdb | 1239 | SV* svend; |
eba0f806 | 1240 | |
ad64d0ec | 1241 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1242 | svend = &sva[SvREFCNT(sva)]; |
1243 | for (sv = sva + 1; sv < svend; ++sv) { | |
e4787c0c | 1244 | if (SvTYPE(sv) != (svtype)SVTYPEMASK) { |
a548cda8 | 1245 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1246 | " flags=0x%"UVxf |
fd0854ff | 1247 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1248 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1249 | "serial %"UVuf"\n", | |
574b8821 NC |
1250 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1251 | pTHX__VALUE, | |
fd0854ff DM |
1252 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1253 | sv->sv_debug_line, | |
1254 | sv->sv_debug_inpad ? "for" : "by", | |
1255 | sv->sv_debug_optype ? | |
1256 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1257 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1258 | sv->sv_debug_serial |
fd0854ff | 1259 | ); |
2aa47728 | 1260 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1261 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1262 | #endif |
eba0f806 DM |
1263 | } |
1264 | } | |
1265 | } | |
1266 | } | |
2aa47728 NC |
1267 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1268 | { | |
1269 | int status; | |
1270 | fd_set rset; | |
1271 | /* Wait for up to 4 seconds for child to terminate. | |
1272 | This seems to be the least effort way of timing out on reaping | |
1273 | its exit status. */ | |
1274 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1275 | int sock = PL_dumper_fd; |
2aa47728 NC |
1276 | |
1277 | shutdown(sock, 1); | |
1278 | FD_ZERO(&rset); | |
1279 | FD_SET(sock, &rset); | |
1280 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1281 | waitpid(child, &status, WNOHANG); | |
1282 | close(sock); | |
1283 | } | |
1284 | #endif | |
eba0f806 | 1285 | #endif |
77abb4c6 NC |
1286 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1287 | if (PL_sv_count) | |
1288 | abort(); | |
1289 | #endif | |
bf9cdc68 | 1290 | PL_sv_count = 0; |
eba0f806 | 1291 | |
56a2bab7 | 1292 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1293 | /* No more IO - including error messages ! */ |
1294 | PerlIO_cleanup(aTHX); | |
1295 | #endif | |
1296 | ||
9f4bd222 | 1297 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1298 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1299 | for no arg - and will try and SvREFCNT_dec it. |
1300 | */ | |
1301 | SvREFCNT(&PL_sv_undef) = 0; | |
1302 | SvREADONLY_off(&PL_sv_undef); | |
1303 | ||
3280af22 | 1304 | Safefree(PL_origfilename); |
bd61b366 | 1305 | PL_origfilename = NULL; |
43c5f42d | 1306 | Safefree(PL_reg_curpm); |
dd28f7bb | 1307 | free_tied_hv_pool(); |
3280af22 | 1308 | Safefree(PL_op_mask); |
cf36064f | 1309 | Safefree(PL_psig_name); |
bf9cdc68 | 1310 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1311 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1312 | { |
1313 | /* We need to NULL PL_psig_pend first, so that | |
1314 | signal handlers know not to use it */ | |
1315 | int *psig_save = PL_psig_pend; | |
1316 | PL_psig_pend = (int*)NULL; | |
1317 | Safefree(psig_save); | |
1318 | } | |
6e72f9df | 1319 | nuke_stacks(); |
284167a5 S |
1320 | TAINTING_set(FALSE); |
1321 | TAINT_WARN_set(FALSE); | |
3280af22 | 1322 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 1323 | |
a0d0e21e | 1324 | DEBUG_P(debprofdump()); |
d33b2eba | 1325 | |
b173165c FC |
1326 | PL_debug = 0; |
1327 | ||
e5dd39fc | 1328 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1329 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1330 | #endif |
1331 | ||
a24da70b NC |
1332 | /* These all point to HVs that are about to be blown away. |
1333 | Code in core and on CPAN assumes that if the interpreter is re-started | |
1334 | that they will be cleanly NULL or pointing to a valid HV. */ | |
1335 | PL_custom_op_names = NULL; | |
1336 | PL_custom_op_descs = NULL; | |
1337 | PL_custom_ops = NULL; | |
1338 | ||
612f20c3 GS |
1339 | sv_free_arenas(); |
1340 | ||
5d9a96ca DM |
1341 | while (PL_regmatch_slab) { |
1342 | regmatch_slab *s = PL_regmatch_slab; | |
1343 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1344 | Safefree(s); | |
1345 | } | |
1346 | ||
fc36a67e | 1347 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1348 | ||
3280af22 | 1349 | if (PL_mess_sv) { |
f350b448 NC |
1350 | /* we know that type == SVt_PVMG */ |
1351 | ||
9c63abab | 1352 | /* it could have accumulated taint magic */ |
f350b448 NC |
1353 | MAGIC* mg; |
1354 | MAGIC* moremagic; | |
1355 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1356 | moremagic = mg->mg_moremagic; | |
1357 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1358 | && mg->mg_len >= 0) | |
1359 | Safefree(mg->mg_ptr); | |
1360 | Safefree(mg); | |
9c63abab | 1361 | } |
f350b448 | 1362 | |
fc36a67e | 1363 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1364 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1365 | Safefree(SvANY(PL_mess_sv)); |
1366 | Safefree(PL_mess_sv); | |
a0714e2c | 1367 | PL_mess_sv = NULL; |
fc36a67e | 1368 | } |
37038d91 | 1369 | return STATUS_EXIT; |
79072805 LW |
1370 | } |
1371 | ||
954c1994 GS |
1372 | /* |
1373 | =for apidoc perl_free | |
1374 | ||
1375 | Releases a Perl interpreter. See L<perlembed>. | |
1376 | ||
1377 | =cut | |
1378 | */ | |
1379 | ||
79072805 | 1380 | void |
0cb96387 | 1381 | perl_free(pTHXx) |
79072805 | 1382 | { |
5174512c NC |
1383 | dVAR; |
1384 | ||
7918f24d NC |
1385 | PERL_ARGS_ASSERT_PERL_FREE; |
1386 | ||
c301d606 DM |
1387 | if (PL_veto_cleanup) |
1388 | return; | |
1389 | ||
7cb608b5 | 1390 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1391 | { |
1392 | /* | |
1393 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1394 | * value as we're probably hunting memory leaks then | |
1395 | */ | |
36e77d41 | 1396 | if (PL_perl_destruct_level == 0) { |
4fd0a9b8 | 1397 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1398 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1399 | thread at thread exit. */ | |
4fd0a9b8 NC |
1400 | if (DEBUG_m_TEST) { |
1401 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1402 | "free this thread's memory\n"); | |
1403 | PL_debug &= ~ DEBUG_m_FLAG; | |
1404 | } | |
6edcbed6 DD |
1405 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)){ |
1406 | char * next = (char *)(aTHXx->Imemory_debug_header.next); | |
1407 | Malloc_t ptr = PERL_MEMORY_DEBUG_HEADER_SIZE + next; | |
1408 | safesysfree(ptr); | |
1409 | } | |
4fd0a9b8 | 1410 | PL_debug = old_debug; |
55ef9aae MHM |
1411 | } |
1412 | } | |
7cb608b5 NC |
1413 | #endif |
1414 | ||
acfe0abc | 1415 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1416 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1417 | { |
acfe0abc | 1418 | # ifdef NETWARE |
7af12a34 | 1419 | void *host = nw_internal_host; |
7af12a34 | 1420 | PerlMem_free(aTHXx); |
7af12a34 | 1421 | nw_delete_internal_host(host); |
acfe0abc | 1422 | # else |
bdb50480 NC |
1423 | void *host = w32_internal_host; |
1424 | PerlMem_free(aTHXx); | |
7af12a34 | 1425 | win32_delete_internal_host(host); |
acfe0abc | 1426 | # endif |
7af12a34 | 1427 | } |
1c0ca838 GS |
1428 | # else |
1429 | PerlMem_free(aTHXx); | |
1430 | # endif | |
acfe0abc GS |
1431 | #else |
1432 | PerlMem_free(aTHXx); | |
76e3520e | 1433 | #endif |
79072805 LW |
1434 | } |
1435 | ||
b7f7fff6 | 1436 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1437 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1438 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1439 | ||
826955bd | 1440 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1441 | #pragma fini "perl_fini" |
666ad1ec GA |
1442 | #elif defined(__sun) && !defined(__GNUC__) |
1443 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1444 | #endif |
1445 | ||
0dbb1585 AL |
1446 | static void |
1447 | #if defined(__GNUC__) | |
1448 | __attribute__((destructor)) | |
aebd1ac7 | 1449 | #endif |
de009b76 | 1450 | perl_fini(void) |
aebd1ac7 | 1451 | { |
27da23d5 | 1452 | dVAR; |
5c64bffd NC |
1453 | if ( |
1454 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE | |
1455 | my_vars && | |
1456 | #endif | |
1457 | PL_curinterp && !PL_veto_cleanup) | |
aebd1ac7 GA |
1458 | FREE_THREAD_KEY; |
1459 | } | |
1460 | ||
1461 | #endif /* WIN32 */ | |
1462 | #endif /* THREADS */ | |
1463 | ||
4b556e6c | 1464 | void |
864dbfa3 | 1465 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1466 | { |
3280af22 NIS |
1467 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1468 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1469 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1470 | ++PL_exitlistlen; | |
4b556e6c JD |
1471 | } |
1472 | ||
954c1994 GS |
1473 | /* |
1474 | =for apidoc perl_parse | |
1475 | ||
1476 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1477 | ||
1478 | =cut | |
1479 | */ | |
1480 | ||
03d9f026 FC |
1481 | #define SET_CURSTASH(newstash) \ |
1482 | if (PL_curstash != newstash) { \ | |
1483 | SvREFCNT_dec(PL_curstash); \ | |
1484 | PL_curstash = (HV *)SvREFCNT_inc(newstash); \ | |
1485 | } | |
1486 | ||
79072805 | 1487 | int |
0cb96387 | 1488 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1489 | { |
27da23d5 | 1490 | dVAR; |
6224f72b | 1491 | I32 oldscope; |
6224f72b | 1492 | int ret; |
db36c5a1 | 1493 | dJMPENV; |
8d063cd8 | 1494 | |
7918f24d NC |
1495 | PERL_ARGS_ASSERT_PERL_PARSE; |
1496 | #ifndef MULTIPLICITY | |
ed6c66dd | 1497 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1498 | #endif |
7dc86639 | 1499 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) || defined(USE_HASH_SEED_DEBUG) |
b0891165 | 1500 | { |
7dc86639 YO |
1501 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1502 | ||
22ff3130 | 1503 | if (s && strEQ(s, "1")) { |
25c1b134 TC |
1504 | const unsigned char *seed= PERL_HASH_SEED; |
1505 | const unsigned char *seed_end= PERL_HASH_SEED + PERL_HASH_SEED_BYTES; | |
7dc86639 YO |
1506 | PerlIO_printf(Perl_debug_log, "HASH_FUNCTION = %s HASH_SEED = 0x", PERL_HASH_FUNC); |
1507 | while (seed < seed_end) { | |
1508 | PerlIO_printf(Perl_debug_log, "%02x", *seed++); | |
1509 | } | |
6a5b4183 YO |
1510 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
1511 | PerlIO_printf(Perl_debug_log, " PERTURB_KEYS = %d (%s)", | |
1512 | PL_HASH_RAND_BITS_ENABLED, | |
1513 | PL_HASH_RAND_BITS_ENABLED == 0 ? "NO" : PL_HASH_RAND_BITS_ENABLED == 1 ? "RANDOM" : "DETERMINISTIC"); | |
1514 | #endif | |
7dc86639 YO |
1515 | PerlIO_printf(Perl_debug_log, "\n"); |
1516 | } | |
b0891165 JH |
1517 | } |
1518 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
43238333 | 1519 | |
ea34f6bd | 1520 | #ifdef __amigaos4__ |
43238333 AB |
1521 | { |
1522 | struct NameTranslationInfo nti; | |
1523 | __translate_amiga_to_unix_path_name(&argv[0],&nti); | |
1524 | } | |
1525 | #endif | |
1526 | ||
3280af22 | 1527 | PL_origargc = argc; |
e2975953 | 1528 | PL_origargv = argv; |
a0d0e21e | 1529 | |
a2722ac9 GA |
1530 | if (PL_origalen != 0) { |
1531 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1532 | } | |
1533 | else { | |
3cb9023d JH |
1534 | /* Set PL_origalen be the sum of the contiguous argv[] |
1535 | * elements plus the size of the env in case that it is | |
e9137a8e | 1536 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1537 | * as the maximum modifiable length of $0. In the worst case |
1538 | * the area we are able to modify is limited to the size of | |
43c32782 | 1539 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1540 | * --jhi */ |
e1ec3a88 | 1541 | const char *s = NULL; |
54bfe034 | 1542 | int i; |
b7249aaf | 1543 | const UV mask = ~(UV)(PTRSIZE-1); |
43c32782 | 1544 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1545 | const UV aligned = |
43c32782 JH |
1546 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1547 | ||
1548 | /* See if all the arguments are contiguous in memory. Note | |
1549 | * that 'contiguous' is a loose term because some platforms | |
1550 | * align the argv[] and the envp[]. If the arguments look | |
1551 | * like non-aligned, assume that they are 'strictly' or | |
1552 | * 'traditionally' contiguous. If the arguments look like | |
1553 | * aligned, we just check that they are within aligned | |
1554 | * PTRSIZE bytes. As long as no system has something bizarre | |
1555 | * like the argv[] interleaved with some other data, we are | |
1556 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1557 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1558 | while (*s) s++; | |
1559 | for (i = 1; i < PL_origargc; i++) { | |
1560 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1561 | #ifdef OS2 |
c8941eeb | 1562 | || PL_origargv[i] == s + 2 |
43c32782 | 1563 | #endif |
c8941eeb JH |
1564 | ) |
1565 | || | |
1566 | (aligned && | |
1567 | (PL_origargv[i] > s && | |
1568 | PL_origargv[i] <= | |
1569 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1570 | ) | |
1571 | { | |
1572 | s = PL_origargv[i]; | |
1573 | while (*s) s++; | |
1574 | } | |
1575 | else | |
1576 | break; | |
54bfe034 | 1577 | } |
54bfe034 | 1578 | } |
a4a109c2 JD |
1579 | |
1580 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1581 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1582 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1583 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1584 | || |
1585 | (aligned && | |
1586 | (PL_origenviron[0] > s && | |
1587 | PL_origenviron[0] <= | |
1588 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1589 | ) | |
1590 | { | |
9d419b5f | 1591 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1592 | s = PL_origenviron[0]; |
1593 | while (*s) s++; | |
1594 | #endif | |
bd61b366 | 1595 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1596 | /* Force copy of environment. */ |
1597 | for (i = 1; PL_origenviron[i]; i++) { | |
1598 | if (PL_origenviron[i] == s + 1 | |
1599 | || | |
1600 | (aligned && | |
1601 | (PL_origenviron[i] > s && | |
1602 | PL_origenviron[i] <= | |
1603 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1604 | ) | |
1605 | { | |
1606 | s = PL_origenviron[i]; | |
1607 | while (*s) s++; | |
1608 | } | |
1609 | else | |
1610 | break; | |
54bfe034 | 1611 | } |
43c32782 | 1612 | } |
54bfe034 | 1613 | } |
a4a109c2 JD |
1614 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1615 | ||
2d2af554 | 1616 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1617 | } |
1618 | ||
3280af22 | 1619 | if (PL_do_undump) { |
a0d0e21e LW |
1620 | |
1621 | /* Come here if running an undumped a.out. */ | |
1622 | ||
3280af22 NIS |
1623 | PL_origfilename = savepv(argv[0]); |
1624 | PL_do_undump = FALSE; | |
a0d0e21e | 1625 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1626 | init_ids(); |
284167a5 | 1627 | assert (!TAINT_get); |
b7975bdd | 1628 | TAINT; |
e2051532 | 1629 | set_caret_X(); |
b7975bdd | 1630 | TAINT_NOT; |
a0d0e21e LW |
1631 | init_postdump_symbols(argc,argv,env); |
1632 | return 0; | |
1633 | } | |
1634 | ||
3280af22 | 1635 | if (PL_main_root) { |
3280af22 | 1636 | op_free(PL_main_root); |
5f66b61c | 1637 | PL_main_root = NULL; |
ff0cee69 | 1638 | } |
5f66b61c | 1639 | PL_main_start = NULL; |
3280af22 | 1640 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1641 | PL_main_cv = NULL; |
79072805 | 1642 | |
3280af22 NIS |
1643 | time(&PL_basetime); |
1644 | oldscope = PL_scopestack_ix; | |
599cee73 | 1645 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1646 | |
14dd3ad8 | 1647 | JMPENV_PUSH(ret); |
6224f72b | 1648 | switch (ret) { |
312caa8e | 1649 | case 0: |
14dd3ad8 | 1650 | parse_body(env,xsinit); |
9ebf26ad | 1651 | if (PL_unitcheckav) { |
3c10abe3 | 1652 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1653 | } |
1654 | if (PL_checkav) { | |
ca7b837b | 1655 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1656 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1657 | } |
14dd3ad8 GS |
1658 | ret = 0; |
1659 | break; | |
6224f72b GS |
1660 | case 1: |
1661 | STATUS_ALL_FAILURE; | |
924ba076 | 1662 | /* FALLTHROUGH */ |
6224f72b GS |
1663 | case 2: |
1664 | /* my_exit() was called */ | |
3280af22 | 1665 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1666 | LEAVE; |
1667 | FREETMPS; | |
03d9f026 | 1668 | SET_CURSTASH(PL_defstash); |
9ebf26ad | 1669 | if (PL_unitcheckav) { |
3c10abe3 | 1670 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1671 | } |
1672 | if (PL_checkav) { | |
ca7b837b | 1673 | PERL_SET_PHASE(PERL_PHASE_CHECK); |
7d30b5c4 | 1674 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1675 | } |
37038d91 | 1676 | ret = STATUS_EXIT; |
14dd3ad8 | 1677 | break; |
6224f72b | 1678 | case 3: |
bf49b057 | 1679 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1680 | ret = 1; |
1681 | break; | |
6224f72b | 1682 | } |
14dd3ad8 GS |
1683 | JMPENV_POP; |
1684 | return ret; | |
1685 | } | |
1686 | ||
4a5df386 NC |
1687 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1688 | miniperl, and we need to see those flags reflected in the values here. */ | |
1689 | ||
1690 | /* What this returns is subject to change. Use the public interface in Config. | |
1691 | */ | |
1692 | static void | |
1693 | S_Internals_V(pTHX_ CV *cv) | |
1694 | { | |
1695 | dXSARGS; | |
1696 | #ifdef LOCAL_PATCH_COUNT | |
1697 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1698 | #else | |
1699 | const int local_patch_count = 0; | |
1700 | #endif | |
2dc296d2 | 1701 | const int entries = 3 + local_patch_count; |
4a5df386 | 1702 | int i; |
fe1c5936 | 1703 | static const char non_bincompat_options[] = |
4a5df386 NC |
1704 | # ifdef DEBUGGING |
1705 | " DEBUGGING" | |
1706 | # endif | |
1707 | # ifdef NO_MATHOMS | |
0d311fbe | 1708 | " NO_MATHOMS" |
4a5df386 | 1709 | # endif |
59b86f4b DM |
1710 | # ifdef NO_HASH_SEED |
1711 | " NO_HASH_SEED" | |
1712 | # endif | |
3b0e4ee2 MB |
1713 | # ifdef NO_TAINT_SUPPORT |
1714 | " NO_TAINT_SUPPORT" | |
1715 | # endif | |
cb26ef7a MB |
1716 | # ifdef PERL_BOOL_AS_CHAR |
1717 | " PERL_BOOL_AS_CHAR" | |
1718 | # endif | |
93c10d60 FC |
1719 | # ifdef PERL_COPY_ON_WRITE |
1720 | " PERL_COPY_ON_WRITE" | |
1721 | # endif | |
4a5df386 NC |
1722 | # ifdef PERL_DISABLE_PMC |
1723 | " PERL_DISABLE_PMC" | |
1724 | # endif | |
1725 | # ifdef PERL_DONT_CREATE_GVSV | |
1726 | " PERL_DONT_CREATE_GVSV" | |
1727 | # endif | |
9a044a43 NC |
1728 | # ifdef PERL_EXTERNAL_GLOB |
1729 | " PERL_EXTERNAL_GLOB" | |
1730 | # endif | |
59b86f4b DM |
1731 | # ifdef PERL_HASH_FUNC_SIPHASH |
1732 | " PERL_HASH_FUNC_SIPHASH" | |
1733 | # endif | |
1734 | # ifdef PERL_HASH_FUNC_SDBM | |
1735 | " PERL_HASH_FUNC_SDBM" | |
1736 | # endif | |
1737 | # ifdef PERL_HASH_FUNC_DJB2 | |
1738 | " PERL_HASH_FUNC_DJB2" | |
1739 | # endif | |
1740 | # ifdef PERL_HASH_FUNC_SUPERFAST | |
1741 | " PERL_HASH_FUNC_SUPERFAST" | |
1742 | # endif | |
1743 | # ifdef PERL_HASH_FUNC_MURMUR3 | |
1744 | " PERL_HASH_FUNC_MURMUR3" | |
1745 | # endif | |
1746 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME | |
1747 | " PERL_HASH_FUNC_ONE_AT_A_TIME" | |
1748 | # endif | |
1749 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_HARD | |
1750 | " PERL_HASH_FUNC_ONE_AT_A_TIME_HARD" | |
1751 | # endif | |
1752 | # ifdef PERL_HASH_FUNC_ONE_AT_A_TIME_OLD | |
1753 | " PERL_HASH_FUNC_ONE_AT_A_TIME_OLD" | |
1754 | # endif | |
4a5df386 NC |
1755 | # ifdef PERL_IS_MINIPERL |
1756 | " PERL_IS_MINIPERL" | |
1757 | # endif | |
1758 | # ifdef PERL_MALLOC_WRAP | |
1759 | " PERL_MALLOC_WRAP" | |
1760 | # endif | |
1761 | # ifdef PERL_MEM_LOG | |
1762 | " PERL_MEM_LOG" | |
1763 | # endif | |
1764 | # ifdef PERL_MEM_LOG_NOIMPL | |
1765 | " PERL_MEM_LOG_NOIMPL" | |
1766 | # endif | |
59b86f4b DM |
1767 | # ifdef PERL_PERTURB_KEYS_DETERMINISTIC |
1768 | " PERL_PERTURB_KEYS_DETERMINISTIC" | |
1769 | # endif | |
1770 | # ifdef PERL_PERTURB_KEYS_DISABLED | |
1771 | " PERL_PERTURB_KEYS_DISABLED" | |
1772 | # endif | |
1773 | # ifdef PERL_PERTURB_KEYS_RANDOM | |
1774 | " PERL_PERTURB_KEYS_RANDOM" | |
1775 | # endif | |
c3cf41ec NC |
1776 | # ifdef PERL_PRESERVE_IVUV |
1777 | " PERL_PRESERVE_IVUV" | |
1778 | # endif | |
c051e30b NC |
1779 | # ifdef PERL_RELOCATABLE_INCPUSH |
1780 | " PERL_RELOCATABLE_INCPUSH" | |
1781 | # endif | |
4a5df386 NC |
1782 | # ifdef PERL_USE_DEVEL |
1783 | " PERL_USE_DEVEL" | |
1784 | # endif | |
1785 | # ifdef PERL_USE_SAFE_PUTENV | |
1786 | " PERL_USE_SAFE_PUTENV" | |
1787 | # endif | |
102b7877 YO |
1788 | # ifdef SILENT_NO_TAINT_SUPPORT |
1789 | " SILENT_NO_TAINT_SUPPORT" | |
1790 | # endif | |
a3749cf3 NC |
1791 | # ifdef UNLINK_ALL_VERSIONS |
1792 | " UNLINK_ALL_VERSIONS" | |
1793 | # endif | |
de618ee4 NC |
1794 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1795 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1796 | # endif | |
4a5df386 NC |
1797 | # ifdef USE_FAST_STDIO |
1798 | " USE_FAST_STDIO" | |
1799 | # endif | |
59b86f4b DM |
1800 | # ifdef USE_HASH_SEED_EXPLICIT |
1801 | " USE_HASH_SEED_EXPLICIT" | |
1802 | # endif | |
98548bdf NC |
1803 | # ifdef USE_LOCALE |
1804 | " USE_LOCALE" | |
1805 | # endif | |
98548bdf NC |
1806 | # ifdef USE_LOCALE_CTYPE |
1807 | " USE_LOCALE_CTYPE" | |
1808 | # endif | |
6937817d DD |
1809 | # ifdef WIN32_NO_REGISTRY |
1810 | " USE_NO_REGISTRY" | |
1811 | # endif | |
5a8d8935 NC |
1812 | # ifdef USE_PERL_ATOF |
1813 | " USE_PERL_ATOF" | |
1814 | # endif | |
0d311fbe NC |
1815 | # ifdef USE_SITECUSTOMIZE |
1816 | " USE_SITECUSTOMIZE" | |
1817 | # endif | |
4a5df386 NC |
1818 | ; |
1819 | PERL_UNUSED_ARG(cv); | |
d3db1514 | 1820 | PERL_UNUSED_VAR(items); |
4a5df386 NC |
1821 | |
1822 | EXTEND(SP, entries); | |
1823 | ||
1824 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1825 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1826 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1827 | ||
6baa8dbd NT |
1828 | #ifndef PERL_BUILD_DATE |
1829 | # ifdef __DATE__ | |
1830 | # ifdef __TIME__ | |
1831 | # define PERL_BUILD_DATE __DATE__ " " __TIME__ | |
1832 | # else | |
1833 | # define PERL_BUILD_DATE __DATE__ | |
1834 | # endif | |
1835 | # endif | |
1836 | #endif | |
1837 | ||
1838 | #ifdef PERL_BUILD_DATE | |
4a5df386 | 1839 | PUSHs(Perl_newSVpvn_flags(aTHX_ |
6baa8dbd | 1840 | STR_WITH_LEN("Compiled at " PERL_BUILD_DATE), |
4a5df386 | 1841 | SVs_TEMP)); |
4a5df386 NC |
1842 | #else |
1843 | PUSHs(&PL_sv_undef); | |
1844 | #endif | |
1845 | ||
4a5df386 NC |
1846 | for (i = 1; i <= local_patch_count; i++) { |
1847 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1848 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1849 | } | |
1850 | ||
1851 | XSRETURN(entries); | |
1852 | } | |
1853 | ||
be71fc8f NC |
1854 | #define INCPUSH_UNSHIFT 0x01 |
1855 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1856 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1857 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1858 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1859 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1860 | #define INCPUSH_ADD_SUB_DIRS \ |
1861 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1862 | |
312caa8e | 1863 | STATIC void * |
14dd3ad8 | 1864 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1865 | { |
27da23d5 | 1866 | dVAR; |
2f9285f8 | 1867 | PerlIO *rsfp; |
312caa8e | 1868 | int argc = PL_origargc; |
8f42b153 | 1869 | char **argv = PL_origargv; |
e1ec3a88 | 1870 | const char *scriptname = NULL; |
402582ca | 1871 | bool dosearch = FALSE; |
eb578fdb | 1872 | char c; |
737c24fc | 1873 | bool doextract = FALSE; |
bd61b366 | 1874 | const char *cddir = NULL; |
ab019eaa | 1875 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1876 | bool minus_f = FALSE; |
ab019eaa | 1877 | #endif |
95670bde | 1878 | SV *linestr_sv = NULL; |
5486870f | 1879 | bool add_read_e_script = FALSE; |
87606032 | 1880 | U32 lex_start_flags = 0; |
009d90df | 1881 | |
ca7b837b | 1882 | PERL_SET_PHASE(PERL_PHASE_START); |
9ebf26ad | 1883 | |
6224f72b | 1884 | init_main_stash(); |
54310121 | 1885 | |
c7030b81 NC |
1886 | { |
1887 | const char *s; | |
6224f72b GS |
1888 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1889 | if (argv[0][0] != '-' || !argv[0][1]) | |
1890 | break; | |
6224f72b GS |
1891 | s = argv[0]+1; |
1892 | reswitch: | |
47f56822 | 1893 | switch ((c = *s)) { |
729a02f2 | 1894 | case 'C': |
1d5472a9 GS |
1895 | #ifndef PERL_STRICT_CR |
1896 | case '\r': | |
1897 | #endif | |
6224f72b GS |
1898 | case ' ': |
1899 | case '0': | |
1900 | case 'F': | |
1901 | case 'a': | |
1902 | case 'c': | |
1903 | case 'd': | |
1904 | case 'D': | |
1905 | case 'h': | |
1906 | case 'i': | |
1907 | case 'l': | |
1908 | case 'M': | |
1909 | case 'm': | |
1910 | case 'n': | |
1911 | case 'p': | |
1912 | case 's': | |
1913 | case 'u': | |
1914 | case 'U': | |
1915 | case 'v': | |
599cee73 PM |
1916 | case 'W': |
1917 | case 'X': | |
6224f72b | 1918 | case 'w': |
97bd5664 | 1919 | if ((s = moreswitches(s))) |
6224f72b GS |
1920 | goto reswitch; |
1921 | break; | |
33b78306 | 1922 | |
1dbad523 | 1923 | case 't': |
dc6d7f5c | 1924 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1925 | /* silently ignore */ |
dc6d7f5c | 1926 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1927 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1928 | "Cowardly refusing to run with -t or -T flags"); |
1929 | #else | |
22f7c9c9 | 1930 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
284167a5 S |
1931 | if( !TAINTING_get ) { |
1932 | TAINT_WARN_set(TRUE); | |
1933 | TAINTING_set(TRUE); | |
317ea90d | 1934 | } |
284167a5 | 1935 | #endif |
317ea90d MS |
1936 | s++; |
1937 | goto reswitch; | |
6224f72b | 1938 | case 'T': |
dc6d7f5c | 1939 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 1940 | /* silently ignore */ |
dc6d7f5c | 1941 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 1942 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
1943 | "Cowardly refusing to run with -t or -T flags"); |
1944 | #else | |
22f7c9c9 | 1945 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
1946 | TAINTING_set(TRUE); |
1947 | TAINT_WARN_set(FALSE); | |
1948 | #endif | |
6224f72b GS |
1949 | s++; |
1950 | goto reswitch; | |
f86702cc | 1951 | |
bc9b29db RH |
1952 | case 'E': |
1953 | PL_minus_E = TRUE; | |
924ba076 | 1954 | /* FALLTHROUGH */ |
6224f72b | 1955 | case 'e': |
f20b2998 | 1956 | forbid_setid('e', FALSE); |
3280af22 | 1957 | if (!PL_e_script) { |
396482e1 | 1958 | PL_e_script = newSVpvs(""); |
5486870f | 1959 | add_read_e_script = TRUE; |
6224f72b GS |
1960 | } |
1961 | if (*++s) | |
3280af22 | 1962 | sv_catpv(PL_e_script, s); |
6224f72b | 1963 | else if (argv[1]) { |
3280af22 | 1964 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1965 | argc--,argv++; |
1966 | } | |
1967 | else | |
47f56822 | 1968 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1969 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1970 | break; |
afe37c7d | 1971 | |
20ef40cf | 1972 | case 'f': |
f5542d3a | 1973 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1974 | minus_f = TRUE; |
f5542d3a | 1975 | #endif |
20ef40cf GA |
1976 | s++; |
1977 | goto reswitch; | |
1978 | ||
6224f72b | 1979 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1980 | forbid_setid('I', FALSE); |
bd61b366 | 1981 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1982 | argc--,argv++; |
1983 | } | |
6224f72b | 1984 | if (s && *s) { |
0df16ed7 | 1985 | STRLEN len = strlen(s); |
55b4bc1c | 1986 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1987 | } |
1988 | else | |
a67e862a | 1989 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1990 | break; |
6224f72b | 1991 | case 'S': |
f20b2998 | 1992 | forbid_setid('S', FALSE); |
6224f72b GS |
1993 | dosearch = TRUE; |
1994 | s++; | |
1995 | goto reswitch; | |
1996 | case 'V': | |
7edfd0ef NC |
1997 | { |
1998 | SV *opts_prog; | |
1999 | ||
7edfd0ef | 2000 | if (*++s != ':') { |
37ca4a5b | 2001 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
2002 | } |
2003 | else { | |
2004 | ++s; | |
2005 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 2006 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
2007 | 0, s, 0); |
2008 | s += strlen(s); | |
2009 | } | |
37ca4a5b | 2010 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
2011 | /* don't look for script or read stdin */ |
2012 | scriptname = BIT_BUCKET; | |
2013 | goto reswitch; | |
6224f72b | 2014 | } |
6224f72b | 2015 | case 'x': |
737c24fc | 2016 | doextract = TRUE; |
6224f72b | 2017 | s++; |
304334da | 2018 | if (*s) |
f4c556ac | 2019 | cddir = s; |
6224f72b GS |
2020 | break; |
2021 | case 0: | |
2022 | break; | |
2023 | case '-': | |
2024 | if (!*++s || isSPACE(*s)) { | |
2025 | argc--,argv++; | |
2026 | goto switch_end; | |
2027 | } | |
ee8bc8b7 NC |
2028 | /* catch use of gnu style long options. |
2029 | Both of these exit immediately. */ | |
2030 | if (strEQ(s, "version")) | |
2031 | minus_v(); | |
2032 | if (strEQ(s, "help")) | |
2033 | usage(); | |
6224f72b | 2034 | s--; |
924ba076 | 2035 | /* FALLTHROUGH */ |
6224f72b | 2036 | default: |
cea2e8a9 | 2037 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2038 | } |
2039 | } | |
c7030b81 NC |
2040 | } |
2041 | ||
6224f72b | 2042 | switch_end: |
54310121 | 2043 | |
c7030b81 NC |
2044 | { |
2045 | char *s; | |
2046 | ||
f675dbe5 CB |
2047 | if ( |
2048 | #ifndef SECURE_INTERNAL_GETENV | |
284167a5 | 2049 | !TAINTING_get && |
f675dbe5 | 2050 | #endif |
cf756827 | 2051 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2052 | { |
9e0b0d62 KW |
2053 | /* s points to static memory in getenv(), which may be overwritten at |
2054 | * any time; use a mortal copy instead */ | |
2055 | s = SvPVX(sv_2mortal(newSVpv(s, 0))); | |
2056 | ||
74288ac8 GS |
2057 | while (isSPACE(*s)) |
2058 | s++; | |
317ea90d | 2059 | if (*s == '-' && *(s+1) == 'T') { |
dc6d7f5c | 2060 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2061 | /* silently ignore */ |
dc6d7f5c | 2062 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2063 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2064 | "Cowardly refusing to run with -t or -T flags"); |
2065 | #else | |
22f7c9c9 | 2066 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
284167a5 S |
2067 | TAINTING_set(TRUE); |
2068 | TAINT_WARN_set(FALSE); | |
2069 | #endif | |
317ea90d | 2070 | } |
74288ac8 | 2071 | else { |
bd61b366 | 2072 | char *popt_copy = NULL; |
74288ac8 | 2073 | while (s && *s) { |
54913509 | 2074 | const char *d; |
74288ac8 GS |
2075 | while (isSPACE(*s)) |
2076 | s++; | |
2077 | if (*s == '-') { | |
2078 | s++; | |
2079 | if (isSPACE(*s)) | |
2080 | continue; | |
2081 | } | |
4ea8f8fb | 2082 | d = s; |
74288ac8 GS |
2083 | if (!*s) |
2084 | break; | |
2b622f1a | 2085 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 2086 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2087 | while (++s && *s) { |
2088 | if (isSPACE(*s)) { | |
cf756827 | 2089 | if (!popt_copy) { |
bfa6c418 NC |
2090 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
2091 | s = popt_copy + (s - d); | |
2092 | d = popt_copy; | |
cf756827 | 2093 | } |
4ea8f8fb MS |
2094 | *s++ = '\0'; |
2095 | break; | |
2096 | } | |
2097 | } | |
1c4db469 | 2098 | if (*d == 't') { |
dc6d7f5c | 2099 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 2100 | /* silently ignore */ |
dc6d7f5c | 2101 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 2102 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
2103 | "Cowardly refusing to run with -t or -T flags"); |
2104 | #else | |
2105 | if( !TAINTING_get) { | |
2106 | TAINT_WARN_set(TRUE); | |
2107 | TAINTING_set(TRUE); | |
317ea90d | 2108 | } |
284167a5 | 2109 | #endif |
1c4db469 | 2110 | } else { |
97bd5664 | 2111 | moreswitches(d); |
1c4db469 | 2112 | } |
6224f72b | 2113 | } |
6224f72b GS |
2114 | } |
2115 | } | |
c7030b81 | 2116 | } |
a0d0e21e | 2117 | |
c29067d7 CH |
2118 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2119 | /* and for SITELIB_EXP in USE_SITECUSTOMIZE */ | |
284167a5 | 2120 | assert (!TAINT_get); |
c29067d7 | 2121 | TAINT; |
e2051532 | 2122 | set_caret_X(); |
c29067d7 CH |
2123 | TAINT_NOT; |
2124 | ||
43c0c913 | 2125 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 2126 | if (!minus_f) { |
43c0c913 | 2127 | /* The games with local $! are to avoid setting errno if there is no |
fc81b718 NC |
2128 | sitecustomize script. "q%c...%c", 0, ..., 0 becomes "q\0...\0", |
2129 | ie a q() operator with a NUL byte as a the delimiter. This avoids | |
2130 | problems with pathnames containing (say) ' */ | |
43c0c913 NC |
2131 | # ifdef PERL_IS_MINIPERL |
2132 | AV *const inc = GvAV(PL_incgv); | |
2133 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
2134 | ||
2135 | if (inc0) { | |
15870c5c NC |
2136 | /* if lib/buildcustomize.pl exists, it should not fail. If it does, |
2137 | it should be reported immediately as a build failure. */ | |
43c0c913 NC |
2138 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2139 | Perl_newSVpvf(aTHX_ | |
5de87db5 | 2140 | "BEGIN { my $f = q%c%s%"SVf"/buildcustomize.pl%c; " |
af26e4f2 FC |
2141 | "do {local $!; -f $f }" |
2142 | " and do $f || die $@ || qq '$f: $!' }", | |
5de87db5 | 2143 | 0, (TAINTING_get ? "./" : ""), SVfARG(*inc0), 0)); |
43c0c913 NC |
2144 | } |
2145 | # else | |
2146 | /* SITELIB_EXP is a function call on Win32. */ | |
c29067d7 | 2147 | const char *const raw_sitelib = SITELIB_EXP; |
bac5c4fc JD |
2148 | if (raw_sitelib) { |
2149 | /* process .../.. if PERL_RELOCATABLE_INC is defined */ | |
2150 | SV *sitelib_sv = mayberelocate(raw_sitelib, strlen(raw_sitelib), | |
2151 | INCPUSH_CAN_RELOCATE); | |
2152 | const char *const sitelib = SvPVX(sitelib_sv); | |
2153 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
2154 | Perl_newSVpvf(aTHX_ | |
2155 | "BEGIN { do {local $!; -f q%c%s/sitecustomize.pl%c} && do q%c%s/sitecustomize.pl%c }", | |
c1f6cd39 BF |
2156 | 0, SVfARG(sitelib), 0, |
2157 | 0, SVfARG(sitelib), 0)); | |
bac5c4fc JD |
2158 | assert (SvREFCNT(sitelib_sv) == 1); |
2159 | SvREFCNT_dec(sitelib_sv); | |
2160 | } | |
43c0c913 | 2161 | # endif |
20ef40cf GA |
2162 | } |
2163 | #endif | |
2164 | ||
6224f72b GS |
2165 | if (!scriptname) |
2166 | scriptname = argv[0]; | |
3280af22 | 2167 | if (PL_e_script) { |
6224f72b GS |
2168 | argc++,argv--; |
2169 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2170 | } | |
bd61b366 | 2171 | else if (scriptname == NULL) { |
6224f72b GS |
2172 | #ifdef MSDOS |
2173 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2174 | moreswitches("h"); |
6224f72b GS |
2175 | #endif |
2176 | scriptname = "-"; | |
2177 | } | |
2178 | ||
284167a5 | 2179 | assert (!TAINT_get); |
2cace6ac | 2180 | init_perllib(); |
6224f72b | 2181 | |
a52eba0e | 2182 | { |
f20b2998 | 2183 | bool suidscript = FALSE; |
829372d3 | 2184 | |
8d113837 | 2185 | rsfp = open_script(scriptname, dosearch, &suidscript); |
c0b3891a NC |
2186 | if (!rsfp) { |
2187 | rsfp = PerlIO_stdin(); | |
87606032 | 2188 | lex_start_flags = LEX_DONT_CLOSE_RSFP; |
c0b3891a | 2189 | } |
6224f72b | 2190 | |
b24bc095 | 2191 | validate_suid(rsfp); |
6224f72b | 2192 | |
64ca3a65 | 2193 | #ifndef PERL_MICRO |
a52eba0e NC |
2194 | # if defined(SIGCHLD) || defined(SIGCLD) |
2195 | { | |
2196 | # ifndef SIGCHLD | |
2197 | # define SIGCHLD SIGCLD | |
2198 | # endif | |
2199 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2200 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2201 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2202 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2203 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2204 | } | |
0b5b802d | 2205 | } |
a52eba0e | 2206 | # endif |
64ca3a65 | 2207 | #endif |
0b5b802d | 2208 | |
737c24fc | 2209 | if (doextract) { |
faef540c | 2210 | |
f20b2998 | 2211 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2212 | setuid scripts. */ |
2213 | forbid_setid('x', suidscript); | |
f20b2998 | 2214 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2215 | |
95670bde NC |
2216 | linestr_sv = newSV_type(SVt_PV); |
2217 | lex_start_flags |= LEX_START_COPIED; | |
2f9285f8 | 2218 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2219 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2220 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2221 | } | |
f4c556ac | 2222 | } |
6224f72b | 2223 | |
ea726b52 | 2224 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2225 | CvUNIQUE_on(PL_compcv); |
2226 | ||
eacbb379 | 2227 | CvPADLIST_set(PL_compcv, pad_new(0)); |
6224f72b | 2228 | |
dd69841b BB |
2229 | PL_isarev = newHV(); |
2230 | ||
0c4f7ff0 | 2231 | boot_core_PerlIO(); |
6224f72b | 2232 | boot_core_UNIVERSAL(); |
e1a479c5 | 2233 | boot_core_mro(); |
4a5df386 | 2234 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2235 | |
2236 | if (xsinit) | |
acfe0abc | 2237 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2238 | #ifndef PERL_MICRO |
739a0b84 | 2239 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(SYMBIAN) |
c5be433b | 2240 | init_os_extras(); |
6224f72b | 2241 | #endif |
64ca3a65 | 2242 | #endif |
6224f72b | 2243 | |
29209bc5 | 2244 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2245 | # ifdef HAS_SOCKS5_INIT |
2246 | socks5_init(argv[0]); | |
2247 | # else | |
29209bc5 | 2248 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2249 | # endif |
ac27b0f5 | 2250 | #endif |
29209bc5 | 2251 | |
6224f72b GS |
2252 | init_predump_symbols(); |
2253 | /* init_postdump_symbols not currently designed to be called */ | |
2254 | /* more than once (ENV isn't cleared first, for example) */ | |
2255 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2256 | if (!PL_do_undump) |
6224f72b GS |
2257 | init_postdump_symbols(argc,argv,env); |
2258 | ||
27da23d5 JH |
2259 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2260 | * or explicitly in some platforms. | |
085a54d9 | 2261 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2262 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2263 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2264 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2265 | #endif | |
e27b5b51 | 2266 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2267 | if (PL_unicode) { |
2268 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2269 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2270 | IO* io; |
2271 | PerlIO* fp; | |
2272 | SV* sv; | |
2273 | ||
a05d7ebb | 2274 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2275 | * and the default open disciplines. */ |
a05d7ebb JH |
2276 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2277 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2278 | (fp = IoIFP(io))) | |
2279 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2280 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2281 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2282 | (fp = IoOFP(io))) | |
2283 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2284 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2285 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2286 | (fp = IoOFP(io))) | |
2287 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2288 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2289 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2290 | SVt_PV)))) { | |
a05d7ebb JH |
2291 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2292 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2293 | if (in) { | |
2294 | if (out) | |
76f68e9b | 2295 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2296 | else |
76f68e9b | 2297 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2298 | } |
2299 | else if (out) | |
76f68e9b | 2300 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2301 | SvSETMAGIC(sv); |
2302 | } | |
b310b053 JH |
2303 | } |
2304 | } | |
e27b5b51 | 2305 | #endif |
b310b053 | 2306 | |
c7030b81 NC |
2307 | { |
2308 | const char *s; | |
4ffa73a3 JH |
2309 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2310 | if (strEQ(s, "unsafe")) | |
2311 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2312 | else if (strEQ(s, "safe")) | |
2313 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2314 | else | |
2315 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2316 | } | |
c7030b81 | 2317 | } |
4ffa73a3 | 2318 | |
81d86705 | 2319 | |
87606032 | 2320 | lex_start(linestr_sv, rsfp, lex_start_flags); |
d2687c98 | 2321 | SvREFCNT_dec(linestr_sv); |
95670bde | 2322 | |
219f7226 | 2323 | PL_subname = newSVpvs("main"); |
6224f72b | 2324 | |
5486870f DM |
2325 | if (add_read_e_script) |
2326 | filter_add(read_e_script, NULL); | |
2327 | ||
6224f72b GS |
2328 | /* now parse the script */ |
2329 | ||
93189314 | 2330 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2331 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2332 | if (PL_minus_c) |
cea2e8a9 | 2333 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2334 | else { |
cea2e8a9 | 2335 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2336 | PL_origfilename); |
6224f72b GS |
2337 | } |
2338 | } | |
57843af0 | 2339 | CopLINE_set(PL_curcop, 0); |
03d9f026 | 2340 | SET_CURSTASH(PL_defstash); |
3280af22 NIS |
2341 | if (PL_e_script) { |
2342 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2343 | PL_e_script = NULL; |
6224f72b GS |
2344 | } |
2345 | ||
3280af22 | 2346 | if (PL_do_undump) |
6224f72b GS |
2347 | my_unexec(); |
2348 | ||
57843af0 GS |
2349 | if (isWARN_ONCE) { |
2350 | SAVECOPFILE(PL_curcop); | |
2351 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2352 | gv_check(PL_defstash); |
57843af0 | 2353 | } |
6224f72b GS |
2354 | |
2355 | LEAVE; | |
2356 | FREETMPS; | |
2357 | ||
2358 | #ifdef MYMALLOC | |
f6a607bc RGS |
2359 | { |
2360 | const char *s; | |
22ff3130 HS |
2361 | UV uv; |
2362 | s = PerlEnv_getenv("PERL_DEBUG_MSTATS"); | |
2363 | if (s && grok_atoUV(s, &uv, NULL) && uv >= 2) | |
96e440d2 | 2364 | dump_mstats("after compilation:"); |
f6a607bc | 2365 | } |
6224f72b GS |
2366 | #endif |
2367 | ||
2368 | ENTER; | |
febb3a6d | 2369 | PL_restartjmpenv = NULL; |
3280af22 | 2370 | PL_restartop = 0; |
312caa8e | 2371 | return NULL; |
6224f72b GS |
2372 | } |
2373 | ||
954c1994 GS |
2374 | /* |
2375 | =for apidoc perl_run | |
2376 | ||
2377 | Tells a Perl interpreter to run. See L<perlembed>. | |
2378 | ||
2379 | =cut | |
2380 | */ | |
2381 | ||
6224f72b | 2382 | int |
0cb96387 | 2383 | perl_run(pTHXx) |
6224f72b | 2384 | { |
6224f72b | 2385 | I32 oldscope; |
14dd3ad8 | 2386 | int ret = 0; |
db36c5a1 | 2387 | dJMPENV; |
6224f72b | 2388 | |
7918f24d NC |
2389 | PERL_ARGS_ASSERT_PERL_RUN; |
2390 | #ifndef MULTIPLICITY | |
ed6c66dd | 2391 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2392 | #endif |
9d4ba2ae | 2393 | |
3280af22 | 2394 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2395 | #ifdef VMS |
2396 | VMSISH_HUSHED = 0; | |
2397 | #endif | |
6224f72b | 2398 | |
14dd3ad8 | 2399 | JMPENV_PUSH(ret); |
6224f72b GS |
2400 | switch (ret) { |
2401 | case 1: | |
2402 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2403 | goto redo_body; |
14dd3ad8 | 2404 | case 0: /* normal completion */ |
14dd3ad8 GS |
2405 | redo_body: |
2406 | run_body(oldscope); | |
924ba076 | 2407 | /* FALLTHROUGH */ |
14dd3ad8 | 2408 | case 2: /* my_exit() */ |
3280af22 | 2409 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2410 | LEAVE; |
2411 | FREETMPS; | |
03d9f026 | 2412 | SET_CURSTASH(PL_defstash); |
3a1ee7e8 | 2413 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad | 2414 | PL_endav && !PL_minus_c) { |
ca7b837b | 2415 | PERL_SET_PHASE(PERL_PHASE_END); |
31d77e54 | 2416 | call_list(oldscope, PL_endav); |
9ebf26ad | 2417 | } |
6224f72b GS |
2418 | #ifdef MYMALLOC |
2419 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2420 | dump_mstats("after execution: "); | |
2421 | #endif | |
37038d91 | 2422 | ret = STATUS_EXIT; |
14dd3ad8 | 2423 | break; |
6224f72b | 2424 | case 3: |
312caa8e CS |
2425 | if (PL_restartop) { |
2426 | POPSTACK_TO(PL_mainstack); | |
2427 | goto redo_body; | |
6224f72b | 2428 | } |
5637ef5b | 2429 | PerlIO_printf(Perl_error_log, "panic: restartop in perl_run\n"); |
312caa8e | 2430 | FREETMPS; |
14dd3ad8 GS |
2431 | ret = 1; |
2432 | break; | |
6224f72b GS |
2433 | } |
2434 | ||
14dd3ad8 GS |
2435 | JMPENV_POP; |
2436 | return ret; | |
312caa8e CS |
2437 | } |
2438 | ||
dd374669 | 2439 | STATIC void |
14dd3ad8 GS |
2440 | S_run_body(pTHX_ I32 oldscope) |
2441 | { | |
d3b97530 DM |
2442 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support (0x%x).\n", |
2443 | PL_sawampersand ? "Enabling" : "Omitting", | |
2444 | (unsigned int)(PL_sawampersand))); | |
6224f72b | 2445 | |
3280af22 | 2446 | if (!PL_restartop) { |
cf2782cd | 2447 | #ifdef DEBUGGING |
f0e3f042 CS |
2448 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2449 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2450 | if (!DEBUG_q_TEST) |
2451 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2452 | #endif |
6224f72b | 2453 | |
3280af22 | 2454 | if (PL_minus_c) { |
bf49b057 | 2455 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2456 | my_exit(0); |
2457 | } | |
3280af22 | 2458 | if (PERLDB_SINGLE && PL_DBsingle) |
a6d69523 | 2459 | PL_DBsingle_iv = 1; |
9ebf26ad | 2460 | if (PL_initav) { |
ca7b837b | 2461 | PERL_SET_PHASE(PERL_PHASE_INIT); |
3280af22 | 2462 | call_list(oldscope, PL_initav); |
9ebf26ad | 2463 | } |
f1fac472 | 2464 | #ifdef PERL_DEBUG_READONLY_OPS |
3107b51f FC |
2465 | if (PL_main_root && PL_main_root->op_slabbed) |
2466 | Slab_to_ro(OpSLAB(PL_main_root)); | |
f1fac472 | 2467 | #endif |
6224f72b GS |
2468 | } |
2469 | ||
2470 | /* do it */ | |
2471 | ||
ca7b837b | 2472 | PERL_SET_PHASE(PERL_PHASE_RUN); |
9ebf26ad | 2473 | |
3280af22 | 2474 | if (PL_restartop) { |
febb3a6d | 2475 | PL_restartjmpenv = NULL; |
533c011a | 2476 | PL_op = PL_restartop; |
3280af22 | 2477 | PL_restartop = 0; |
cea2e8a9 | 2478 | CALLRUNOPS(aTHX); |
6224f72b | 2479 | } |
3280af22 NIS |
2480 | else if (PL_main_start) { |
2481 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2482 | PL_op = PL_main_start; |
cea2e8a9 | 2483 | CALLRUNOPS(aTHX); |
6224f72b | 2484 | } |
f6b3007c | 2485 | my_exit(0); |
e5964223 | 2486 | NOT_REACHED; /* NOTREACHED */ |
6224f72b GS |
2487 | } |
2488 | ||
954c1994 | 2489 | /* |
ccfc67b7 JH |
2490 | =head1 SV Manipulation Functions |
2491 | ||
954c1994 GS |
2492 | =for apidoc p||get_sv |
2493 | ||
64ace3f8 | 2494 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
72d33970 | 2495 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
64ace3f8 NC |
2496 | Perl variable does not exist then it will be created. If C<flags> is zero |
2497 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2498 | |
2499 | =cut | |
2500 | */ | |
2501 | ||
6224f72b | 2502 | SV* |
64ace3f8 | 2503 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2504 | { |
2505 | GV *gv; | |
7918f24d NC |
2506 | |
2507 | PERL_ARGS_ASSERT_GET_SV; | |
2508 | ||
64ace3f8 | 2509 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2510 | if (gv) |
2511 | return GvSV(gv); | |
a0714e2c | 2512 | return NULL; |
6224f72b GS |
2513 | } |
2514 | ||
954c1994 | 2515 | /* |
ccfc67b7 JH |
2516 | =head1 Array Manipulation Functions |
2517 | ||
954c1994 GS |
2518 | =for apidoc p||get_av |
2519 | ||
f0b90de1 SF |
2520 | Returns the AV of the specified Perl global or package array with the given |
2521 | name (so it won't work on lexical variables). C<flags> are passed | |
72d33970 | 2522 | to C<gv_fetchpv>. If C<GV_ADD> is set and the |
cbfd0a87 NC |
2523 | Perl variable does not exist then it will be created. If C<flags> is zero |
2524 | and the variable does not exist then NULL is returned. | |
954c1994 | 2525 | |
f0b90de1 SF |
2526 | Perl equivalent: C<@{"$name"}>. |
2527 | ||
954c1994 GS |
2528 | =cut |
2529 | */ | |
2530 | ||
6224f72b | 2531 | AV* |
cbfd0a87 | 2532 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2533 | { |
cbfd0a87 | 2534 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2535 | |
2536 | PERL_ARGS_ASSERT_GET_AV; | |
2537 | ||
cbfd0a87 | 2538 | if (flags) |
6224f72b GS |
2539 | return GvAVn(gv); |
2540 | if (gv) | |
2541 | return GvAV(gv); | |
7d49f689 | 2542 | return NULL; |
6224f72b GS |
2543 | } |
2544 | ||
954c1994 | 2545 | /* |
ccfc67b7 JH |
2546 | =head1 Hash Manipulation Functions |
2547 | ||
954c1994 GS |
2548 | =for apidoc p||get_hv |
2549 | ||
6673a63c | 2550 | Returns the HV of the specified Perl hash. C<flags> are passed to |
72d33970 | 2551 | C<gv_fetchpv>. If C<GV_ADD> is set and the |
6673a63c | 2552 | Perl variable does not exist then it will be created. If C<flags> is zero |
796b6530 | 2553 | and the variable does not exist then C<NULL> is returned. |
954c1994 GS |
2554 | |
2555 | =cut | |
2556 | */ | |
2557 | ||
6224f72b | 2558 | HV* |
6673a63c | 2559 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2560 | { |
6673a63c | 2561 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2562 | |
2563 | PERL_ARGS_ASSERT_GET_HV; | |
2564 | ||
6673a63c | 2565 | if (flags) |
a0d0e21e LW |
2566 | return GvHVn(gv); |
2567 | if (gv) | |
2568 | return GvHV(gv); | |
5c284bb0 | 2569 | return NULL; |
a0d0e21e LW |
2570 | } |
2571 | ||
954c1994 | 2572 | /* |
ccfc67b7 JH |
2573 | =head1 CV Manipulation Functions |
2574 | ||
780a5241 NC |
2575 | =for apidoc p||get_cvn_flags |
2576 | ||
2577 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
72d33970 | 2578 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not |
780a5241 NC |
2579 | exist then it will be declared (which has the same effect as saying |
2580 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2581 | then NULL is returned. | |
2582 | ||
954c1994 GS |
2583 | =for apidoc p||get_cv |
2584 | ||
780a5241 | 2585 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2586 | |
2587 | =cut | |
2588 | */ | |
2589 | ||
a0d0e21e | 2590 | CV* |
780a5241 | 2591 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2592 | { |
780a5241 | 2593 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
7918f24d NC |
2594 | |
2595 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2596 | ||
334dda80 FC |
2597 | /* XXX this is probably not what they think they're getting. |
2598 | * It has the same effect as "sub name;", i.e. just a forward | |
2599 | * declaration! */ | |
780a5241 | 2600 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
186a5ba8 | 2601 | return newSTUB(gv,0); |
780a5241 | 2602 | } |
a0d0e21e | 2603 | if (gv) |
8ebc5c01 | 2604 | return GvCVu(gv); |
601f1833 | 2605 | return NULL; |
a0d0e21e LW |
2606 | } |
2607 | ||
2c67934f NC |
2608 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2609 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2610 | CV* |
2611 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2612 | { | |
7918f24d NC |
2613 | PERL_ARGS_ASSERT_GET_CV; |
2614 | ||
780a5241 NC |
2615 | return get_cvn_flags(name, strlen(name), flags); |
2616 | } | |
2617 | ||
79072805 LW |
2618 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2619 | ||
954c1994 | 2620 | /* |
ccfc67b7 JH |
2621 | |
2622 | =head1 Callback Functions | |
2623 | ||
954c1994 GS |
2624 | =for apidoc p||call_argv |
2625 | ||
f0b90de1 | 2626 | Performs a callback to the specified named and package-scoped Perl subroutine |
796b6530 | 2627 | with C<argv> (a C<NULL>-terminated array of strings) as arguments. See |
72d33970 | 2628 | L<perlcall>. |
f0b90de1 SF |
2629 | |
2630 | Approximate Perl equivalent: C<&{"$sub_name"}(@$argv)>. | |
954c1994 GS |
2631 | |
2632 | =cut | |
2633 | */ | |
2634 | ||
a0d0e21e | 2635 | I32 |
5aaab254 | 2636 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, char **argv) |
ac27b0f5 | 2637 | |
8ac85365 NIS |
2638 | /* See G_* flags in cop.h */ |
2639 | /* null terminated arg list */ | |
8990e307 | 2640 | { |
a0d0e21e | 2641 | dSP; |
8990e307 | 2642 | |
7918f24d NC |
2643 | PERL_ARGS_ASSERT_CALL_ARGV; |
2644 | ||
924508f0 | 2645 | PUSHMARK(SP); |
3dc78631 DM |
2646 | while (*argv) { |
2647 | mXPUSHs(newSVpv(*argv,0)); | |
2648 | argv++; | |
8990e307 | 2649 | } |
3dc78631 | 2650 | PUTBACK; |
864dbfa3 | 2651 | return call_pv(sub_name, flags); |
8990e307 LW |
2652 | } |
2653 | ||
954c1994 GS |
2654 | /* |
2655 | =for apidoc p||call_pv | |
2656 | ||
2657 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2658 | ||
2659 | =cut | |
2660 | */ | |
2661 | ||
a0d0e21e | 2662 | I32 |
864dbfa3 | 2663 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2664 | /* name of the subroutine */ |
2665 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2666 | { |
7918f24d NC |
2667 | PERL_ARGS_ASSERT_CALL_PV; |
2668 | ||
0da0e728 | 2669 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2670 | } |
2671 | ||
954c1994 GS |
2672 | /* |
2673 | =for apidoc p||call_method | |
2674 | ||
2675 | Performs a callback to the specified Perl method. The blessed object must | |
2676 | be on the stack. See L<perlcall>. | |
2677 | ||
2678 | =cut | |
2679 | */ | |
2680 | ||
a0d0e21e | 2681 | I32 |
864dbfa3 | 2682 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2683 | /* name of the subroutine */ |
2684 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2685 | { |
46ca9bac | 2686 | STRLEN len; |
c106c2be | 2687 | SV* sv; |
7918f24d NC |
2688 | PERL_ARGS_ASSERT_CALL_METHOD; |
2689 | ||
46ca9bac | 2690 | len = strlen(methname); |
c106c2be RZ |
2691 | sv = flags & G_METHOD_NAMED |
2692 | ? sv_2mortal(newSVpvn_share(methname, len,0)) | |
2693 | : newSVpvn_flags(methname, len, SVs_TEMP); | |
46ca9bac | 2694 | |
c106c2be | 2695 | return call_sv(sv, flags | G_METHOD); |
a0d0e21e LW |
2696 | } |
2697 | ||
2698 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2699 | /* |
2700 | =for apidoc p||call_sv | |
2701 | ||
078e2213 TC |
2702 | Performs a callback to the Perl sub specified by the SV. |
2703 | ||
7c0c544c | 2704 | If neither the C<G_METHOD> nor C<G_METHOD_NAMED> flag is supplied, the |
078e2213 TC |
2705 | SV may be any of a CV, a GV, a reference to a CV, a reference to a GV |
2706 | or C<SvPV(sv)> will be used as the name of the sub to call. | |
2707 | ||
2708 | If the C<G_METHOD> flag is supplied, the SV may be a reference to a CV or | |
2709 | C<SvPV(sv)> will be used as the name of the method to call. | |
2710 | ||
2711 | If the C<G_METHOD_NAMED> flag is supplied, C<SvPV(sv)> will be used as | |
2712 | the name of the method to call. | |
2713 | ||
2714 | Some other values are treated specially for internal use and should | |
2715 | not be depended on. | |
2716 | ||
2717 | See L<perlcall>. | |
954c1994 GS |
2718 | |
2719 | =cut | |
2720 | */ | |
2721 | ||
a0d0e21e | 2722 | I32 |
001d637e | 2723 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2724 | /* See G_* flags in cop.h */ |
a0d0e21e | 2725 | { |
5b434c73 | 2726 | dVAR; |
a0d0e21e | 2727 | LOGOP myop; /* fake syntax tree node */ |
b46e009d | 2728 | METHOP method_op; |
aa689395 | 2729 | I32 oldmark; |
8ea43dc8 | 2730 | VOL I32 retval = 0; |
54310121 | 2731 | bool oldcatch = CATCH_GET; |
6224f72b | 2732 | int ret; |
c4420975 | 2733 | OP* const oldop = PL_op; |
db36c5a1 | 2734 | dJMPENV; |
1e422769 | 2735 | |
7918f24d NC |
2736 | PERL_ARGS_ASSERT_CALL_SV; |
2737 | ||
a0d0e21e LW |
2738 | if (flags & G_DISCARD) { |
2739 | ENTER; | |
2740 | SAVETMPS; | |
2741 | } | |
2f8edad0 NC |
2742 | if (!(flags & G_WANT)) { |
2743 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2744 | */ | |
2745 | flags |= G_SCALAR; | |
2746 | } | |
a0d0e21e | 2747 | |
aa689395 | 2748 | Zero(&myop, 1, LOGOP); |
f51d4af5 | 2749 | if (!(flags & G_NOARGS)) |
aa689395 | 2750 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2751 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2752 | SAVEOP(); |
533c011a | 2753 | PL_op = (OP*)&myop; |
aa689395 | 2754 | |
8c9009ad | 2755 | if (!(flags & G_METHOD_NAMED)) { |
5b434c73 DD |
2756 | dSP; |
2757 | EXTEND(SP, 1); | |
8c9009ad DD |
2758 | PUSHs(sv); |
2759 | PUTBACK; | |
5b434c73 | 2760 | } |
aa689395 | 2761 | oldmark = TOPMARK; |
a0d0e21e | 2762 | |
3280af22 | 2763 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2764 | /* Handle first BEGIN of -d. */ |
3280af22 | 2765 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2766 | /* Try harder, since this may have been a sighandler, thus |
2767 | * curstash may be meaningless. */ | |
ea726b52 | 2768 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2769 | && !(flags & G_NODEBUG)) |
5ff48db8 | 2770 | myop.op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2771 | |
c106c2be | 2772 | if (flags & (G_METHOD|G_METHOD_NAMED)) { |
b46e009d | 2773 | Zero(&method_op, 1, METHOP); |
2774 | method_op.op_next = (OP*)&myop; | |
2775 | PL_op = (OP*)&method_op; | |
c106c2be | 2776 | if ( flags & G_METHOD_NAMED ) { |
b46e009d | 2777 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD_NAMED]; |
2778 | method_op.op_type = OP_METHOD_NAMED; | |
2779 | method_op.op_u.op_meth_sv = sv; | |
c106c2be | 2780 | } else { |
b46e009d | 2781 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; |
2782 | method_op.op_type = OP_METHOD; | |
c106c2be RZ |
2783 | } |
2784 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
2785 | myop.op_type = OP_ENTERSUB; | |
968b3946 GS |
2786 | } |
2787 | ||
312caa8e | 2788 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2789 | CATCH_SET(TRUE); |
d6f07c05 | 2790 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2791 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2792 | CATCH_SET(oldcatch); |
312caa8e CS |
2793 | } |
2794 | else { | |
8e90e786 | 2795 | I32 old_cxix; |
d78bda3d | 2796 | myop.op_other = (OP*)&myop; |
101d6365 | 2797 | (void)POPMARK; |
8e90e786 | 2798 | old_cxix = cxstack_ix; |
274ed8ae | 2799 | create_eval_scope(NULL, flags|G_FAKINGEVAL); |
101d6365 | 2800 | (void)INCMARK; |
a0d0e21e | 2801 | |
14dd3ad8 | 2802 | JMPENV_PUSH(ret); |
edb2152a | 2803 | |
6224f72b GS |
2804 | switch (ret) { |
2805 | case 0: | |
14dd3ad8 | 2806 | redo_body: |
d6f07c05 | 2807 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2808 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2809 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2810 | CLEAR_ERRSV(); |
8433848b | 2811 | } |
a0d0e21e | 2812 | break; |
6224f72b | 2813 | case 1: |
f86702cc | 2814 | STATUS_ALL_FAILURE; |
924ba076 | 2815 | /* FALLTHROUGH */ |
6224f72b | 2816 | case 2: |
a0d0e21e | 2817 | /* my_exit() was called */ |
03d9f026 | 2818 | SET_CURSTASH(PL_defstash); |
a0d0e21e | 2819 | FREETMPS; |
14dd3ad8 | 2820 | JMPENV_POP; |
f86702cc | 2821 | my_exit_jump(); |
e5964223 | 2822 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2823 | case 3: |
3280af22 | 2824 | if (PL_restartop) { |
febb3a6d | 2825 | PL_restartjmpenv = NULL; |
533c011a | 2826 | PL_op = PL_restartop; |
3280af22 | 2827 | PL_restartop = 0; |
312caa8e | 2828 | goto redo_body; |
a0d0e21e | 2829 | } |
3280af22 | 2830 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2831 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2832 | retval = 0; |
2833 | else { | |
2834 | retval = 1; | |
3280af22 | 2835 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2836 | } |
312caa8e | 2837 | break; |
a0d0e21e | 2838 | } |
a0d0e21e | 2839 | |
8e90e786 DM |
2840 | /* if we croaked, depending on how we croaked the eval scope |
2841 | * may or may not have already been popped */ | |
2842 | if (cxstack_ix > old_cxix) { | |
2843 | assert(cxstack_ix == old_cxix + 1); | |
4ebe6e95 | 2844 | assert(CxTYPE(CX_CUR()) == CXt_EVAL); |
edb2152a | 2845 | delete_eval_scope(); |
8e90e786 | 2846 | } |
14dd3ad8 | 2847 | JMPENV_POP; |
a0d0e21e | 2848 | } |
1e422769 | 2849 | |
a0d0e21e | 2850 | if (flags & G_DISCARD) { |
3280af22 | 2851 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2852 | retval = 0; |
2853 | FREETMPS; | |
2854 | LEAVE; | |
2855 | } | |
533c011a | 2856 | PL_op = oldop; |
a0d0e21e LW |
2857 | return retval; |
2858 | } | |
2859 | ||
6e72f9df | 2860 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2861 | |
954c1994 GS |
2862 | /* |
2863 | =for apidoc p||eval_sv | |
2864 | ||
72d33970 | 2865 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
796b6530 | 2866 | as C<call_sv>, with the obvious exception of C<G_EVAL>. See L<perlcall>. |
954c1994 GS |
2867 | |
2868 | =cut | |
2869 | */ | |
2870 | ||
a0d0e21e | 2871 | I32 |
864dbfa3 | 2872 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2873 | |
8ac85365 | 2874 | /* See G_* flags in cop.h */ |
a0d0e21e | 2875 | { |
97aff369 | 2876 | dVAR; |
a0d0e21e | 2877 | UNOP myop; /* fake syntax tree node */ |
5b434c73 | 2878 | VOL I32 oldmark; |
8ea43dc8 | 2879 | VOL I32 retval = 0; |
6224f72b | 2880 | int ret; |
c4420975 | 2881 | OP* const oldop = PL_op; |
db36c5a1 | 2882 | dJMPENV; |
84902520 | 2883 | |
7918f24d NC |
2884 | PERL_ARGS_ASSERT_EVAL_SV; |
2885 | ||
4633a7c4 LW |
2886 | if (flags & G_DISCARD) { |
2887 | ENTER; | |
2888 | SAVETMPS; | |
2889 | } | |
2890 | ||
462e5cf6 | 2891 | SAVEOP(); |
533c011a | 2892 | PL_op = (OP*)&myop; |
5ff48db8 | 2893 | Zero(&myop, 1, UNOP); |
5b434c73 DD |
2894 | { |
2895 | dSP; | |
2896 | oldmark = SP - PL_stack_base; | |
2897 | EXTEND(SP, 1); | |
2898 | PUSHs(sv); | |
2899 | PUTBACK; | |
2900 | } | |
79072805 | 2901 | |
4633a7c4 LW |
2902 | if (!(flags & G_NOARGS)) |
2903 | myop.op_flags = OPf_STACKED; | |
6e72f9df | 2904 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2905 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2906 | if (flags & G_KEEPERR) |
2907 | myop.op_flags |= OPf_SPECIAL; | |
a1941760 DM |
2908 | |
2909 | if (flags & G_RE_REPARSING) | |
2910 | myop.op_private = (OPpEVAL_COPHH | OPpEVAL_RE_REPARSING); | |
4633a7c4 | 2911 | |
dedbcade | 2912 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
13febba5 | 2913 | * before a cx_pusheval(), which corrupts the stack after a croak */ |
dedbcade DM |
2914 | TAINT_PROPER("eval_sv()"); |
2915 | ||
14dd3ad8 | 2916 | JMPENV_PUSH(ret); |
6224f72b GS |
2917 | switch (ret) { |
2918 | case 0: | |
14dd3ad8 | 2919 | redo_body: |
2ba65d5f DM |
2920 | if (PL_op == (OP*)(&myop)) { |
2921 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2922 | if (!PL_op) | |
2923 | goto fail; /* failed in compilation */ | |
2924 | } | |
4aca2f62 | 2925 | CALLRUNOPS(aTHX); |
312caa8e | 2926 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2927 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2928 | CLEAR_ERRSV(); |
8433848b | 2929 | } |
4633a7c4 | 2930 | break; |
6224f72b | 2931 | case 1: |
f86702cc | 2932 | STATUS_ALL_FAILURE; |
924ba076 | 2933 | /* FALLTHROUGH */ |
6224f72b | 2934 | case 2: |
4633a7c4 | 2935 | /* my_exit() was called */ |
03d9f026 | 2936 | SET_CURSTASH(PL_defstash); |
4633a7c4 | 2937 | FREETMPS; |
14dd3ad8 | 2938 | JMPENV_POP; |
f86702cc | 2939 | my_exit_jump(); |
e5964223 | 2940 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 2941 | case 3: |
3280af22 | 2942 | if (PL_restartop) { |
febb3a6d | 2943 | PL_restartjmpenv = NULL; |
533c011a | 2944 | PL_op = PL_restartop; |
3280af22 | 2945 | PL_restartop = 0; |
312caa8e | 2946 | goto redo_body; |
4633a7c4 | 2947 | } |
4aca2f62 | 2948 | fail: |
3280af22 | 2949 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2950 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2951 | retval = 0; |
2952 | else { | |
2953 | retval = 1; | |
3280af22 | 2954 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2955 | } |
312caa8e | 2956 | break; |
4633a7c4 LW |
2957 | } |
2958 | ||
14dd3ad8 | 2959 | JMPENV_POP; |
4633a7c4 | 2960 | if (flags & G_DISCARD) { |
3280af22 | 2961 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2962 | retval = 0; |
2963 | FREETMPS; | |
2964 | LEAVE; | |
2965 | } | |
533c011a | 2966 | PL_op = oldop; |
4633a7c4 LW |
2967 | return retval; |
2968 | } | |
2969 | ||
954c1994 GS |
2970 | /* |
2971 | =for apidoc p||eval_pv | |
2972 | ||
422791e4 | 2973 | Tells Perl to C<eval> the given string in scalar context and return an SV* result. |
954c1994 GS |
2974 | |
2975 | =cut | |
2976 | */ | |
2977 | ||
137443ea | 2978 | SV* |
864dbfa3 | 2979 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2980 | { |
137443ea | 2981 | SV* sv = newSVpv(p, 0); |
2982 | ||
7918f24d NC |
2983 | PERL_ARGS_ASSERT_EVAL_PV; |
2984 | ||
864dbfa3 | 2985 | eval_sv(sv, G_SCALAR); |
137443ea | 2986 | SvREFCNT_dec(sv); |
2987 | ||
ed1786ad DD |
2988 | { |
2989 | dSP; | |
2990 | sv = POPs; | |
2991 | PUTBACK; | |
2992 | } | |
137443ea | 2993 | |
eed484f9 DD |
2994 | /* just check empty string or undef? */ |
2995 | if (croak_on_error) { | |
2996 | SV * const errsv = ERRSV; | |
2997 | if(SvTRUE_NN(errsv)) | |
2998 | /* replace with croak_sv? */ | |
2999 | Perl_croak_nocontext("%s", SvPV_nolen_const(errsv)); | |
2d8e6c8d | 3000 | } |
137443ea | 3001 | |
3002 | return sv; | |
3003 | } | |
3004 | ||
4633a7c4 LW |
3005 | /* Require a module. */ |
3006 | ||
954c1994 | 3007 | /* |
ccfc67b7 JH |
3008 | =head1 Embedding Functions |
3009 | ||
954c1994 GS |
3010 | =for apidoc p||require_pv |
3011 | ||
7d3fb230 BS |
3012 | Tells Perl to C<require> the file named by the string argument. It is |
3013 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 3014 | implemented that way; consider using load_module instead. |
954c1994 | 3015 | |
7d3fb230 | 3016 | =cut */ |
954c1994 | 3017 | |
4633a7c4 | 3018 | void |
864dbfa3 | 3019 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 3020 | { |
d3acc0f7 | 3021 | dSP; |
97aff369 | 3022 | SV* sv; |
7918f24d NC |
3023 | |
3024 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
3025 | ||
e788e7d3 | 3026 | PUSHSTACKi(PERLSI_REQUIRE); |
be41e5d9 NC |
3027 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
3028 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 | 3029 | POPSTACK; |
79072805 LW |
3030 | } |
3031 | ||
76e3520e | 3032 | STATIC void |
b6f82619 | 3033 | S_usage(pTHX) /* XXX move this out into a module ? */ |
4633a7c4 | 3034 | { |
ab821d7f | 3035 | /* This message really ought to be max 23 lines. |
75c72d73 | 3036 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 3037 | |
1566c39d NC |
3038 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
3039 | minimum of 509 character string literals. */ | |
27da23d5 | 3040 | static const char * const usage_msg[] = { |
1566c39d NC |
3041 | " -0[octal] specify record separator (\\0, if no argument)\n" |
3042 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
3043 | " -C[number/list] enables the listed Unicode features\n" | |
3044 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
3045 | " -d[:debugger] run program under debugger\n" | |
3046 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
3047 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
3048 | " -E program like -e, but enables all optional features\n" | |
3049 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
3050 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
3051 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
3052 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
3053 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
3054 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
3055 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
3056 | " -p assume loop like -n but print line also, like sed\n" | |
3057 | " -s enable rudimentary parsing for switches after programfile\n" | |
3058 | " -S look for programfile using PATH environment variable\n", | |
3059 | " -t enable tainting warnings\n" | |
3060 | " -T enable tainting checks\n" | |
3061 | " -u dump core after parsing program\n" | |
3062 | " -U allow unsafe operations\n" | |
3063 | " -v print version, patchlevel and license\n" | |
3064 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 3065 | " -w enable many useful warnings\n" |
1566c39d NC |
3066 | " -W enable all warnings\n" |
3067 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
3068 | " -X disable all warnings\n" | |
3069 | " \n" | |
3070 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 3071 | NULL |
3072 | }; | |
27da23d5 | 3073 | const char * const *p = usage_msg; |
1566c39d | 3074 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 3075 | |
1566c39d NC |
3076 | PerlIO_printf(out, |
3077 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b6f82619 | 3078 | PL_origargv[0]); |
fb73857a | 3079 | while (*p) |
1566c39d | 3080 | PerlIO_puts(out, *p++); |
b6f82619 | 3081 | my_exit(0); |
4633a7c4 LW |
3082 | } |
3083 | ||
b4ab917c DM |
3084 | /* convert a string of -D options (or digits) into an int. |
3085 | * sets *s to point to the char after the options */ | |
3086 | ||
3087 | #ifdef DEBUGGING | |
3088 | int | |
e1ec3a88 | 3089 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 3090 | { |
27da23d5 | 3091 | static const char * const usage_msgd[] = { |
651b8f1a NC |
3092 | " Debugging flag values: (see also -d)\n" |
3093 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
3094 | " s Stack snapshots (with v, displays all stacks)\n" | |
3095 | " l Context (loop) stack processing\n" | |
3096 | " t Trace execution\n" | |
3097 | " o Method and overloading resolution\n", | |
3098 | " c String/numeric conversions\n" | |
3099 | " P Print profiling info, source file input state\n" | |
3100 | " m Memory and SV allocation\n" | |
3101 | " f Format processing\n" | |
3102 | " r Regular expression parsing and execution\n" | |
3103 | " x Syntax tree dump\n", | |
3104 | " u Tainting checks\n" | |
3105 | " H Hash dump -- usurps values()\n" | |
3106 | " X Scratchpad allocation\n" | |
3107 | " D Cleaning up\n" | |
56967202 | 3108 | " S Op slab allocation\n" |
651b8f1a NC |
3109 | " T Tokenising\n" |
3110 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
3111 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
3112 | " v Verbose: use in conjunction with other flags\n" | |
3113 | " C Copy On Write\n" | |
3114 | " A Consistency checks on internal structures\n" | |
3115 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
3116 | " M trace smart match resolution\n" | |
3117 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
69014004 | 3118 | " L trace some locale setting information--for Perl core development\n", |
e6e64d9b JC |
3119 | NULL |
3120 | }; | |
22ff3130 | 3121 | UV uv = 0; |
7918f24d NC |
3122 | |
3123 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
3124 | ||
b4ab917c DM |
3125 | if (isALPHA(**s)) { |
3126 | /* if adding extra options, remember to update DEBUG_MASK */ | |
69014004 | 3127 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMBL"; |
b4ab917c | 3128 | |
0eb30aeb | 3129 | for (; isWORDCHAR(**s); (*s)++) { |
c4420975 | 3130 | const char * const d = strchr(debopts,**s); |
b4ab917c | 3131 | if (d) |
22ff3130 | 3132 | uv |= 1 << (d - debopts); |
b4ab917c | 3133 | else if (ckWARN_d(WARN_DEBUGGING)) |
e6e64d9b JC |
3134 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
3135 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
3136 | } |
3137 | } | |
e6e64d9b | 3138 | else if (isDIGIT(**s)) { |
96e440d2 | 3139 | const char* e; |
22ff3130 | 3140 | if (grok_atoUV(*s, &uv, &e)) |
96e440d2 | 3141 | *s = e; |
0eb30aeb | 3142 | for (; isWORDCHAR(**s); (*s)++) ; |
b4ab917c | 3143 | } |
ddcf8bc1 | 3144 | else if (givehelp) { |
06e869a4 | 3145 | const char *const *p = usage_msgd; |
651b8f1a | 3146 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 3147 | } |
22ff3130 | 3148 | return (int)uv; /* ignore any UV->int conversion loss */ |
b4ab917c DM |
3149 | } |
3150 | #endif | |
3151 | ||
79072805 LW |
3152 | /* This routine handles any switches that can be given during run */ |
3153 | ||
c7030b81 NC |
3154 | const char * |
3155 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 3156 | { |
27da23d5 | 3157 | dVAR; |
84c133a0 | 3158 | UV rschar; |
0544e6df | 3159 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 3160 | |
7918f24d NC |
3161 | PERL_ARGS_ASSERT_MORESWITCHES; |
3162 | ||
79072805 LW |
3163 | switch (*s) { |
3164 | case '0': | |
a863c7d1 | 3165 | { |
f2095865 | 3166 | I32 flags = 0; |
a3b680e6 | 3167 | STRLEN numlen; |
f2095865 JH |
3168 | |
3169 | SvREFCNT_dec(PL_rs); | |
3170 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3171 | const char *e = s+=2; |
f2095865 JH |
3172 | U8 *tmps; |
3173 | ||
a3b680e6 AL |
3174 | while (*e) |
3175 | e++; | |
f2095865 JH |
3176 | numlen = e - s; |
3177 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3178 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3179 | if (s + numlen < e) { | |
3180 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3181 | numlen = 0; | |
3182 | s--; | |
3183 | } | |
396482e1 | 3184 | PL_rs = newSVpvs(""); |
5f560d8a | 3185 | SvGROW(PL_rs, (STRLEN)(UVCHR_SKIP(rschar) + 1)); |
f2095865 JH |
3186 | tmps = (U8*)SvPVX(PL_rs); |
3187 | uvchr_to_utf8(tmps, rschar); | |
5f560d8a | 3188 | SvCUR_set(PL_rs, UVCHR_SKIP(rschar)); |
f2095865 JH |
3189 | SvUTF8_on(PL_rs); |
3190 | } | |
3191 | else { | |
3192 | numlen = 4; | |
3193 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3194 | if (rschar & ~((U8)~0)) | |
3195 | PL_rs = &PL_sv_undef; | |
3196 | else if (!rschar && numlen >= 2) | |
396482e1 | 3197 | PL_rs = newSVpvs(""); |
f2095865 JH |
3198 | else { |
3199 | char ch = (char)rschar; | |
3200 | PL_rs = newSVpvn(&ch, 1); | |
3201 | } | |
3202 | } | |
64ace3f8 | 3203 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3204 | return s + numlen; |
a863c7d1 | 3205 | } |
46487f74 | 3206 | case 'C': |
a05d7ebb | 3207 | s++; |
dd374669 | 3208 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3209 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3210 | PL_utf8cache = -1; | |
46487f74 | 3211 | return s; |
2304df62 | 3212 | case 'F': |
5fc691f1 | 3213 | PL_minus_a = TRUE; |
3280af22 | 3214 | PL_minus_F = TRUE; |
24ffa309 | 3215 | PL_minus_n = TRUE; |
ebce5377 RGS |
3216 | PL_splitstr = ++s; |
3217 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3218 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3219 | return s; |
79072805 | 3220 | case 'a': |
3280af22 | 3221 | PL_minus_a = TRUE; |
24ffa309 | 3222 | PL_minus_n = TRUE; |
79072805 LW |
3223 | s++; |
3224 | return s; | |
3225 | case 'c': | |
3280af22 | 3226 | PL_minus_c = TRUE; |
79072805 LW |
3227 | s++; |
3228 | return s; | |
3229 | case 'd': | |
f20b2998 | 3230 | forbid_setid('d', FALSE); |
4633a7c4 | 3231 | s++; |
2cbb2ee1 RGS |
3232 | |
3233 | /* -dt indicates to the debugger that threads will be used */ | |
0eb30aeb | 3234 | if (*s == 't' && !isWORDCHAR(s[1])) { |
2cbb2ee1 RGS |
3235 | ++s; |
3236 | my_setenv("PERL5DB_THREADED", "1"); | |
3237 | } | |
3238 | ||
70c94a19 RR |
3239 | /* The following permits -d:Mod to accepts arguments following an = |
3240 | in the fashion that -MSome::Mod does. */ | |
3241 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3242 | const char *start; |
3243 | const char *end; | |
3244 | SV *sv; | |
3245 | ||
3246 | if (*++s == '-') { | |
3247 | ++s; | |
3248 | sv = newSVpvs("no Devel::"); | |
3249 | } else { | |
3250 | sv = newSVpvs("use Devel::"); | |
3251 | } | |
3252 | ||
3253 | start = s; | |
3254 | end = s + strlen(s); | |
f85893a1 | 3255 | |
b19934fb | 3256 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
0eb30aeb | 3257 | while(isWORDCHAR(*s) || *s==':') ++s; |
70c94a19 | 3258 | if (*s != '=') |
f85893a1 | 3259 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3260 | else { |
3261 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3262 | /* Don't use NUL as q// delimiter here, this string goes in the |
3263 | * environment. */ | |
3264 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3265 | } |
f85893a1 | 3266 | s = end; |
184f32ec | 3267 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3268 | SvREFCNT_dec(sv); |
4633a7c4 | 3269 | } |
ed094faf | 3270 | if (!PL_perldb) { |
3280af22 | 3271 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3272 | init_debugger(); |
ed094faf | 3273 | } |
79072805 LW |
3274 | return s; |
3275 | case 'D': | |
0453d815 | 3276 | { |
79072805 | 3277 | #ifdef DEBUGGING |
f20b2998 | 3278 | forbid_setid('D', FALSE); |
b4ab917c | 3279 | s++; |
dd374669 | 3280 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3281 | #else /* !DEBUGGING */ |
0453d815 | 3282 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3283 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3284 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
0eb30aeb | 3285 | for (s++; isWORDCHAR(*s); s++) ; |
79072805 | 3286 | #endif |
79072805 | 3287 | return s; |
2b5060ae | 3288 | NOT_REACHED; /* NOTREACHED */ |
0453d815 | 3289 | } |
4633a7c4 | 3290 | case 'h': |
b6f82619 | 3291 | usage(); |
2b5060ae DM |
3292 | NOT_REACHED; /* NOTREACHED */ |
3293 | ||
79072805 | 3294 | case 'i': |
43c5f42d | 3295 | Safefree(PL_inplace); |
c030f24b GH |
3296 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3297 | if (*(s+1) == '\0') { | |
c86a4f2e | 3298 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3299 | return s+1; |
3300 | } | |
3301 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3302 | { |
d4c19fe8 | 3303 | const char * const start = ++s; |
5ef5d758 NC |
3304 | while (*s && !isSPACE(*s)) |
3305 | ++s; | |
3306 | ||
3307 | PL_inplace = savepvn(start, s - start); | |
3308 | } | |
7b8d334a | 3309 | if (*s) { |
5ef5d758 | 3310 | ++s; |
7b8d334a | 3311 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3312 | s++; |
7b8d334a | 3313 | } |
fb73857a | 3314 | return s; |
4e49a025 | 3315 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3316 | forbid_setid('I', FALSE); |
fb73857a | 3317 | ++s; |
3318 | while (*s && isSPACE(*s)) | |
3319 | ++s; | |
3320 | if (*s) { | |
c7030b81 | 3321 | const char *e, *p; |
0df16ed7 GS |
3322 | p = s; |
3323 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3324 | do { | |
3325 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3326 | p = e; | |
3327 | while (isSPACE(*p)) | |
3328 | p++; | |
3329 | } while (*p && *p != '-'); | |
55b4bc1c | 3330 | incpush(s, e-s, |
e28f3139 | 3331 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3332 | s = p; |
3333 | if (*s == '-') | |
3334 | s++; | |
79072805 LW |
3335 | } |
3336 | else | |
a67e862a | 3337 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3338 | return s; |
79072805 | 3339 | case 'l': |
3280af22 | 3340 | PL_minus_l = TRUE; |
79072805 | 3341 | s++; |
7889fe52 NIS |
3342 | if (PL_ors_sv) { |
3343 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3344 | PL_ors_sv = NULL; |
7889fe52 | 3345 | } |
79072805 | 3346 | if (isDIGIT(*s)) { |
53305cf1 | 3347 | I32 flags = 0; |
a3b680e6 | 3348 | STRLEN numlen; |
396482e1 | 3349 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3350 | numlen = 3 + (*s == '0'); |
3351 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3352 | s += numlen; |
3353 | } | |
3354 | else { | |
8bfdd7d9 | 3355 | if (RsPARA(PL_rs)) { |
396482e1 | 3356 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3357 | } |
3358 | else { | |
8bfdd7d9 | 3359 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3360 | } |
79072805 LW |
3361 | } |
3362 | return s; | |
1a30305b | 3363 | case 'M': |
f20b2998 | 3364 | forbid_setid('M', FALSE); /* XXX ? */ |
924ba076 | 3365 | /* FALLTHROUGH */ |
1a30305b | 3366 | case 'm': |
f20b2998 | 3367 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3368 | if (*++s) { |
c7030b81 | 3369 | const char *start; |
b64cb68c | 3370 | const char *end; |
11343788 | 3371 | SV *sv; |
e1ec3a88 | 3372 | const char *use = "use "; |
0544e6df | 3373 | bool colon = FALSE; |
a5f75d66 | 3374 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3375 | /* Leading space on " no " is deliberate, to make both |
3376 | possibilities the same length. */ | |
3377 | if (*s == '-') { use = " no "; ++s; } | |
3378 | sv = newSVpvn(use,4); | |
a5f75d66 | 3379 | start = s; |
1a30305b | 3380 | /* We allow -M'Module qw(Foo Bar)' */ |
0eb30aeb | 3381 | while(isWORDCHAR(*s) || *s==':') { |
0544e6df RB |
3382 | if( *s++ == ':' ) { |
3383 | if( *s == ':' ) | |
3384 | s++; | |
3385 | else | |
3386 | colon = TRUE; | |
3387 | } | |
3388 | } | |
3389 | if (s == start) | |
3390 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3391 | option); | |
3392 | if (colon) | |
3393 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3394 | "contains single ':'", | |
63da6837 | 3395 | (int)(s - start), start, option); |
b64cb68c | 3396 | end = s + strlen(s); |
c07a80fd | 3397 | if (*s != '=') { |
b64cb68c | 3398 | sv_catpvn(sv, start, end - start); |
0544e6df | 3399 | if (option == 'm') { |
c07a80fd | 3400 | if (*s != '\0') |
cea2e8a9 | 3401 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3402 | sv_catpvs( sv, " ()"); |
c07a80fd | 3403 | } |
3404 | } else { | |
11343788 | 3405 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3406 | /* Use NUL as q''-delimiter. */ |
3407 | sv_catpvs(sv, " split(/,/,q\0"); | |
3408 | ++s; | |
3409 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3410 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3411 | } |
b64cb68c | 3412 | s = end; |
29a861e7 | 3413 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3414 | } |
3415 | else | |
0544e6df | 3416 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3417 | return s; |
79072805 | 3418 | case 'n': |
3280af22 | 3419 | PL_minus_n = TRUE; |
79072805 LW |
3420 | s++; |
3421 | return s; | |
3422 | case 'p': | |
3280af22 | 3423 | PL_minus_p = TRUE; |
79072805 LW |
3424 | s++; |
3425 | return s; | |
3426 | case 's': | |
f20b2998 | 3427 | forbid_setid('s', FALSE); |
3280af22 | 3428 | PL_doswitches = TRUE; |
79072805 LW |
3429 | s++; |
3430 | return s; | |
6537fe72 | 3431 | case 't': |
27a6968b | 3432 | case 'T': |
dc6d7f5c | 3433 | #if defined(SILENT_NO_TAINT_SUPPORT) |
284167a5 | 3434 | /* silently ignore */ |
dc6d7f5c | 3435 | #elif defined(NO_TAINT_SUPPORT) |
3231f579 | 3436 | Perl_croak_nocontext("This perl was compiled without taint support. " |
284167a5 S |
3437 | "Cowardly refusing to run with -t or -T flags"); |
3438 | #else | |
3439 | if (!TAINTING_get) | |
27a6968b | 3440 | TOO_LATE_FOR(*s); |
284167a5 | 3441 | #endif |
6537fe72 | 3442 | s++; |
463ee0b2 | 3443 | return s; |
79072805 | 3444 | case 'u': |
3280af22 | 3445 | PL_do_undump = TRUE; |
79072805 LW |
3446 | s++; |
3447 | return s; | |
3448 | case 'U': | |
3280af22 | 3449 | PL_unsafe = TRUE; |
79072805 LW |
3450 | s++; |
3451 | return s; | |
3452 | case 'v': | |
c4bc78d9 NC |
3453 | minus_v(); |
3454 | case 'w': | |
3455 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { | |
3456 | PL_dowarn |= G_WARN_ON; | |
3457 | } | |
3458 | s++; | |
3459 | return s; | |
3460 | case 'W': | |
3461 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
3462 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3463 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3464 | PL_compiling.cop_warnings = pWARN_ALL ; | |
3465 | s++; | |
3466 | return s; | |
3467 | case 'X': | |
3468 | PL_dowarn = G_WARN_ALL_OFF; | |
3469 | if (!specialWARN(PL_compiling.cop_warnings)) | |
3470 | PerlMemShared_free(PL_compiling.cop_warnings); | |
3471 | PL_compiling.cop_warnings = pWARN_NONE ; | |
3472 | s++; | |
3473 | return s; | |
3474 | case '*': | |
3475 | case ' ': | |
3476 | while( *s == ' ' ) | |
3477 | ++s; | |
3478 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3479 | return s+1; | |
3480 | break; | |
3481 | case '-': | |
3482 | case 0: | |
3483 | #if defined(WIN32) || !defined(PERL_STRICT_CR) | |
3484 | case '\r': | |
3485 | #endif | |
3486 | case '\n': | |
3487 | case '\t': | |
3488 | break; | |
3489 | #ifdef ALTERNATE_SHEBANG | |
3490 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3491 | break; | |
3492 | #endif | |
4bb78d63 CB |
3493 | case 'e': case 'f': case 'x': case 'E': |
3494 | #ifndef ALTERNATE_SHEBANG | |
3495 | case 'S': | |
3496 | #endif | |
3497 | case 'V': | |
c4bc78d9 | 3498 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
b7e077d0 FC |
3499 | default: |
3500 | Perl_croak(aTHX_ | |
3501 | "Unrecognized switch: -%.1s (-h will show valid options)",s | |
3502 | ); | |
c4bc78d9 NC |
3503 | } |
3504 | return NULL; | |
3505 | } | |
3506 | ||
3507 | ||
3508 | STATIC void | |
3509 | S_minus_v(pTHX) | |
3510 | { | |
fc3381af | 3511 | PerlIO * PIO_stdout; |
46807d8e | 3512 | { |
709aee94 DD |
3513 | const char * const level_str = "v" PERL_VERSION_STRING; |
3514 | const STRLEN level_len = sizeof("v" PERL_VERSION_STRING)-1; | |
46807d8e | 3515 | #ifdef PERL_PATCHNUM |
709aee94 | 3516 | SV* level; |
23d483e2 | 3517 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
709aee94 | 3518 | static const char num [] = PERL_PATCHNUM "*"; |
23d483e2 | 3519 | # else |
709aee94 | 3520 | static const char num [] = PERL_PATCHNUM; |
23d483e2 | 3521 | # endif |
fc3381af | 3522 | { |
709aee94 DD |
3523 | const STRLEN num_len = sizeof(num)-1; |
3524 | /* A very advanced compiler would fold away the strnEQ | |
3525 | and this whole conditional, but most (all?) won't do it. | |
3526 | SV level could also be replaced by with preprocessor | |
3527 | catenation. | |
3528 | */ | |
3529 | if (num_len >= level_len && strnEQ(num,level_str,level_len)) { | |
3530 | /* per 46807d8e80, PERL_PATCHNUM is outside of the control | |
3531 | of the interp so it might contain format characters | |
3532 | */ | |
3533 | level = newSVpvn(num, num_len); | |
fc3381af | 3534 | } else { |
709aee94 | 3535 | level = Perl_newSVpvf_nocontext("%s (%s)", level_str, num); |
fc3381af | 3536 | } |
46807d8e | 3537 | } |
709aee94 DD |
3538 | #else |
3539 | SV* level = newSVpvn(level_str, level_len); | |
3540 | #endif /* #ifdef PERL_PATCHNUM */ | |
fc3381af DD |
3541 | PIO_stdout = PerlIO_stdout(); |
3542 | PerlIO_printf(PIO_stdout, | |
ded326e4 DG |
3543 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3544 | ", version " STRINGIFY(PERL_VERSION) | |
3545 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
c1f6cd39 | 3546 | " (%"SVf") built for " ARCHNAME, SVfARG(level) |
ded326e4 | 3547 | ); |
709aee94 | 3548 | SvREFCNT_dec_NN(level); |
46807d8e | 3549 | } |
fb73857a | 3550 | #if defined(LOCAL_PATCH_COUNT) |
3551 | if (LOCAL_PATCH_COUNT > 0) | |
fc3381af | 3552 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3553 | "\n(with %d registered patch%s, " |
3554 | "see perl -V for more detail)", | |
bb7a0f54 | 3555 | LOCAL_PATCH_COUNT, |
b0e47665 | 3556 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3557 | #endif |
1a30305b | 3558 | |
fc3381af | 3559 | PerlIO_printf(PIO_stdout, |
7a2bbcbf | 3560 | "\n\nCopyright 1987-2016, Larry Wall\n"); |
79072805 | 3561 | #ifdef MSDOS |
fc3381af | 3562 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3563 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 3564 | #endif |
3565 | #ifdef DJGPP | |
fc3381af | 3566 | PerlIO_printf(PIO_stdout, |
b0e47665 GS |
3567 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" |
3568 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3569 | #endif |
79072805 | 3570 | #ifdef OS2 |
fc3381af | 3571 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3572 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
be3c0a43 | 3573 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3574 | #endif |
9d116dd7 | 3575 | #ifdef OEMVS |
fc3381af | 3576 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3577 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 3578 | #endif |
495c5fdc | 3579 | #ifdef __VOS__ |
fc3381af | 3580 | PerlIO_printf(PIO_stdout, |
c0fcb8c5 | 3581 | "Stratus OpenVOS port by Paul.Green@stratus.com, 1997-2013\n"); |
495c5fdc | 3582 | #endif |
a1a0e61e | 3583 | #ifdef POSIX_BC |
fc3381af | 3584 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3585 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 3586 | #endif |
e1caacb4 | 3587 | #ifdef UNDER_CE |
fc3381af DD |
3588 | PerlIO_printf(PIO_stdout, |
3589 | "WINCE port by Rainer Keuchel, 2001-2002\n" | |
3590 | "Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3591 | wce_hitreturn(); |
3592 | #endif | |
a0fd4948 | 3593 | #ifdef __SYMBIAN32__ |
fc3381af | 3594 | PerlIO_printf(PIO_stdout, |
27da23d5 JH |
3595 | "Symbian port by Nokia, 2004-2005\n"); |
3596 | #endif | |
baed7233 DL |
3597 | #ifdef BINARY_BUILD_NOTICE |
3598 | BINARY_BUILD_NOTICE; | |
3599 | #endif | |
fc3381af | 3600 | PerlIO_printf(PIO_stdout, |
b0e47665 | 3601 | "\n\ |
79072805 | 3602 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3603 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3604 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3605 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3606 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3607 | my_exit(0); |
79072805 LW |
3608 | } |
3609 | ||
3610 | /* compliments of Tom Christiansen */ | |
3611 | ||
3612 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3613 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 | 3614 | |
25bbd826 CB |
3615 | #ifdef VMS |
3616 | #include <lib$routines.h> | |
3617 | #endif | |
3618 | ||
79072805 | 3619 | void |
864dbfa3 | 3620 | Perl_my_unexec(pTHX) |
79072805 LW |
3621 | { |
3622 | #ifdef UNEXEC | |
b37c2d43 AL |
3623 | SV * prog = newSVpv(BIN_EXP, 0); |
3624 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3625 | int status = 1; |
79072805 LW |
3626 | extern int etext; |
3627 | ||
396482e1 | 3628 | sv_catpvs(prog, "/perl"); |
396482e1 | 3629 | sv_catpvs(file, ".perldump"); |
79072805 | 3630 | |
ee580363 GS |
3631 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3632 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3633 | PerlProc_exit(status); |
79072805 | 3634 | #else |
ddeaf645 | 3635 | PERL_UNUSED_CONTEXT; |
a5f75d66 | 3636 | # ifdef VMS |
a5f75d66 | 3637 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
84d78eb7 | 3638 | # elif defined(WIN32) || defined(__CYGWIN__) |
ddeaf645 | 3639 | Perl_croak_nocontext("dump is not supported"); |
aa689395 | 3640 | # else |
79072805 | 3641 | ABORT(); /* for use with undump */ |
aa689395 | 3642 | # endif |
a5f75d66 | 3643 | #endif |
79072805 LW |
3644 | } |
3645 | ||
cb68f92d GS |
3646 | /* initialize curinterp */ |
3647 | STATIC void | |
cea2e8a9 | 3648 | S_init_interp(pTHX) |
cb68f92d | 3649 | { |
acfe0abc | 3650 | #ifdef MULTIPLICITY |
115ff745 NC |
3651 | # define PERLVAR(prefix,var,type) |
3652 | # define PERLVARA(prefix,var,n,type) | |
acfe0abc | 3653 | # if defined(PERL_IMPLICIT_CONTEXT) |
115ff745 NC |
3654 | # define PERLVARI(prefix,var,type,init) aTHX->prefix##var = init; |
3655 | # define PERLVARIC(prefix,var,type,init) aTHX->prefix##var = init; | |
3967c732 | 3656 | # else |
115ff745 NC |
3657 | # define PERLVARI(prefix,var,type,init) PERL_GET_INTERP->var = init; |
3658 | # define PERLVARIC(prefix,var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3659 | # endif |
acfe0abc | 3660 | # include "intrpvar.h" |
acfe0abc GS |
3661 | # undef PERLVAR |
3662 | # undef PERLVARA | |
3663 | # undef PERLVARI | |
3664 | # undef PERLVARIC | |
3665 | #else | |
115ff745 NC |
3666 | # define PERLVAR(prefix,var,type) |
3667 | # define PERLVARA(prefix,var,n,type) | |
3668 | # define PERLVARI(prefix,var,type,init) PL_##var = init; | |
3669 | # define PERLVARIC(prefix,var,type,init) PL_##var = init; | |
acfe0abc | 3670 | # include "intrpvar.h" |
acfe0abc GS |
3671 | # undef PERLVAR |
3672 | # undef PERLVARA | |
3673 | # undef PERLVARI | |
3674 | # undef PERLVARIC | |
cb68f92d GS |
3675 | #endif |
3676 | ||
cb68f92d GS |
3677 | } |
3678 | ||
76e3520e | 3679 | STATIC void |
cea2e8a9 | 3680 | S_init_main_stash(pTHX) |
79072805 | 3681 | { |
463ee0b2 | 3682 | GV *gv; |
6e72f9df | 3683 | |
03d9f026 | 3684 | PL_curstash = PL_defstash = (HV *)SvREFCNT_inc_simple_NN(newHV()); |
23579a14 NC |
3685 | /* We know that the string "main" will be in the global shared string |
3686 | table, so it's a small saving to use it rather than allocate another | |
3687 | 8 bytes. */ | |
18916d0d | 3688 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3689 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3690 | /* If we hadn't caused another reference to "main" to be in the shared |
3691 | string table above, then it would be worth reordering these two, | |
3692 | because otherwise all we do is delete "main" from it as a consequence | |
3693 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3694 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3695 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3696 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3697 | SvREADONLY_on(gv); |
fafc274c NC |
3698 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3699 | SVt_PVAV))); | |
5a5094bd | 3700 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3701 | GvMULTI_on(PL_incgv); |
fafc274c | 3702 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
4639d557 | 3703 | SvREFCNT_inc_simple_void(PL_hintgv); |
3280af22 | 3704 | GvMULTI_on(PL_hintgv); |
fafc274c | 3705 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3706 | SvREFCNT_inc_simple_void(PL_defgv); |
d456e3f4 | 3707 | PL_errgv = gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV); |
5a5094bd | 3708 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3709 | GvMULTI_on(PL_errgv); |
fafc274c | 3710 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
475b1e90 | 3711 | SvREFCNT_inc_simple_void(PL_replgv); |
3280af22 | 3712 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3713 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 | 3714 | #ifdef PERL_DONT_CREATE_GVSV |
689fbe18 | 3715 | (void)gv_SVadd(PL_errgv); |
c69033f2 | 3716 | #endif |
38a03e6e | 3717 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3718 | CLEAR_ERRSV(); |
03d9f026 | 3719 | SET_CURSTASH(PL_defstash); |
11faa288 | 3720 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3721 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3722 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3723 | SVt_PVHV)); | |
4633a7c4 | 3724 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3725 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3726 | } |
3727 | ||
8d113837 NC |
3728 | STATIC PerlIO * |
3729 | S_open_script(pTHX_ const char *scriptname, bool dosearch, bool *suidscript) | |
79072805 | 3730 | { |
fdf5d70d | 3731 | int fdscript = -1; |
8d113837 | 3732 | PerlIO *rsfp = NULL; |
1dfef69b | 3733 | Stat_t tmpstatbuf; |
375ed12a | 3734 | int fd; |
1b24ed4b | 3735 | |
7918f24d NC |
3736 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3737 | ||
3280af22 | 3738 | if (PL_e_script) { |
8afc33d6 | 3739 | PL_origfilename = savepvs("-e"); |
96436eeb | 3740 | } |
6c4ab083 | 3741 | else { |
22ff3130 HS |
3742 | const char *s; |
3743 | UV uv; | |
6c4ab083 | 3744 | /* if find_script() returns, it returns a malloc()-ed value */ |
dd374669 | 3745 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 | 3746 | |
22ff3130 HS |
3747 | if (strnEQ(scriptname, "/dev/fd/", 8) |
3748 | && isDIGIT(scriptname[8]) | |
3749 | && grok_atoUV(scriptname + 8, &uv, &s) | |
3750 | && uv <= PERL_INT_MAX | |
3751 | ) { | |
3752 | fdscript = (int)uv; | |
6c4ab083 | 3753 | if (*s) { |
ae3f3efd PS |
3754 | /* PSz 18 Feb 04 |
3755 | * Tell apart "normal" usage of fdscript, e.g. | |
3756 | * with bash on FreeBSD: | |
3757 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3758 | * from usage in suidperl. | |
3759 | * Does any "normal" usage leave garbage after the number??? | |
3760 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3761 | * suidperl? | |
3762 | */ | |
f20b2998 | 3763 | *suidscript = TRUE; |
ae3f3efd PS |
3764 | /* PSz 20 Feb 04 |
3765 | * Be supersafe and do some sanity-checks. | |
3766 | * Still, can we be sure we got the right thing? | |
3767 | */ | |
3768 | if (*s != '/') { | |
3769 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3770 | } | |
3771 | if (! *(s+1)) { | |
3772 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3773 | } | |
6c4ab083 | 3774 | scriptname = savepv(s + 1); |
3280af22 | 3775 | Safefree(PL_origfilename); |
dd374669 | 3776 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3777 | } |
3778 | } | |
3779 | } | |
3780 | ||
05ec9bb3 | 3781 | CopFILE_free(PL_curcop); |
57843af0 | 3782 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3783 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3784 | scriptname = (char *)""; |
fdf5d70d | 3785 | if (fdscript >= 0) { |
8d113837 | 3786 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 3787 | } |
79072805 | 3788 | else if (!*scriptname) { |
cdd8118e | 3789 | forbid_setid(0, *suidscript); |
c0b3891a | 3790 | return NULL; |
79072805 | 3791 | } |
96436eeb | 3792 | else { |
9c12f1e5 RGS |
3793 | #ifdef FAKE_BIT_BUCKET |
3794 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3795 | * is called) and still have the "-e" work. (Believe it or not, | |
3796 | * a /dev/null is required for the "-e" to work because source | |
3797 | * filter magic is used to implement it. ) This is *not* a general | |
3798 | * replacement for a /dev/null. What we do here is create a temp | |
3799 | * file (an empty file), open up that as the script, and then | |
3800 | * immediately close and unlink it. Close enough for jazz. */ | |
3801 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3802 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3803 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3804 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3805 | FAKE_BIT_BUCKET_TEMPLATE | |
3806 | }; | |
3807 | const char * const err = "Failed to create a fake bit bucket"; | |
3808 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3809 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
e57270be | 3810 | int old_umask = umask(0177); |
9c12f1e5 | 3811 | int tmpfd = mkstemp(tmpname); |
60f7fc1e | 3812 | umask(old_umask); |
9c12f1e5 RGS |
3813 | if (tmpfd > -1) { |
3814 | scriptname = tmpname; | |
3815 | close(tmpfd); | |
3816 | } else | |
3817 | Perl_croak(aTHX_ err); | |
3818 | #else | |
3819 | # ifdef HAS_MKTEMP | |
3820 | scriptname = mktemp(tmpname); | |
3821 | if (!scriptname) | |
3822 | Perl_croak(aTHX_ err); | |
3823 | # endif | |
3824 | #endif | |
3825 | } | |
3826 | #endif | |
8d113837 | 3827 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3828 | #ifdef FAKE_BIT_BUCKET |
3829 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3830 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3831 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3832 | unlink(scriptname); | |
3833 | } | |
3834 | scriptname = BIT_BUCKET; | |
3835 | #endif | |
96436eeb | 3836 | } |
8d113837 | 3837 | if (!rsfp) { |
447218f8 | 3838 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3839 | if (PL_e_script) |
3840 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3841 | else | |
3842 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3843 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3844 | } |
375ed12a | 3845 | fd = PerlIO_fileno(rsfp); |
131d45a9 | 3846 | #if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC) |
375ed12a JH |
3847 | if (fd >= 0) { |
3848 | /* ensure close-on-exec */ | |
131d45a9 | 3849 | if (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0) { |
375ed12a JH |
3850 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3851 | CopFILE(PL_curcop), Strerror(errno)); | |
3852 | } | |
3853 | } | |
a7c81930 | 3854 | #endif |
1dfef69b | 3855 | |
375ed12a JH |
3856 | if (fd < 0 || |
3857 | (PerlLIO_fstat(fd, &tmpstatbuf) >= 0 | |
3858 | && S_ISDIR(tmpstatbuf.st_mode))) | |
1dfef69b RS |
3859 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3860 | CopFILE(PL_curcop), | |
0c0d42ff | 3861 | Strerror(EISDIR)); |
1dfef69b | 3862 | |
8d113837 | 3863 | return rsfp; |
79072805 | 3864 | } |
8d063cd8 | 3865 | |
ea442100 JH |
3866 | /* Mention |
3867 | * I_SYSSTATVFS HAS_FSTATVFS | |
3868 | * I_SYSMOUNT | |
3869 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT | |
3870 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
3871 | * here so that metaconfig picks them up. */ | |
3872 | ||
3873 | ||
cc69b689 | 3874 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3875 | /* Don't even need this function. */ |
cc69b689 | 3876 | #else |
ec2019ad NC |
3877 | STATIC void |
3878 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3879 | { | |
dfff4baf BF |
3880 | const Uid_t my_uid = PerlProc_getuid(); |
3881 | const Uid_t my_euid = PerlProc_geteuid(); | |
3882 | const Gid_t my_gid = PerlProc_getgid(); | |
3883 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3884 | |
ac076a5c NC |
3885 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3886 | ||
985213f2 | 3887 | if (my_euid != my_uid || my_egid != my_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da | 3888 | dVAR; |
375ed12a | 3889 | int fd = PerlIO_fileno(rsfp); |
45a23732 DD |
3890 | Stat_t statbuf; |
3891 | if (fd < 0 || PerlLIO_fstat(fd, &statbuf) < 0) { /* may be either wrapped or real suid */ | |
3892 | Perl_croak_nocontext( "Illegal suidscript"); | |
375ed12a | 3893 | } |
45a23732 | 3894 | if ((my_euid != my_uid && my_euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
375ed12a | 3895 | || |
45a23732 | 3896 | (my_egid != my_gid && my_egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
375ed12a | 3897 | ) |
b28d0864 | 3898 | if (!PL_do_undump) |
cea2e8a9 | 3899 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3900 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3901 | /* not set-id, must be wrapped */ |
a687059c | 3902 | } |
79072805 | 3903 | } |
cc69b689 | 3904 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3905 | |
76e3520e | 3906 | STATIC void |
2f9285f8 | 3907 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3908 | { |
c7030b81 | 3909 | const char *s; |
eb578fdb | 3910 | const char *s2; |
33b78306 | 3911 | |
7918f24d NC |
3912 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3913 | ||
33b78306 LW |
3914 | /* skip forward in input to the real script? */ |
3915 | ||
737c24fc | 3916 | do { |
2f9285f8 | 3917 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3918 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3919 | s2 = s; |
737c24fc Z |
3920 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3921 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3922 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3923 | s2 = s; | |
3924 | while (*s == ' ' || *s == '\t') s++; | |
3925 | if (*s++ == '-') { | |
3926 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3927 | || s2[-1] == '_') s2--; | |
3928 | if (strnEQ(s2-4,"perl",4)) | |
3929 | while ((s = moreswitches(s))) | |
3930 | ; | |
83025b21 LW |
3931 | } |
3932 | } | |
3933 | ||
afe37c7d | 3934 | |
76e3520e | 3935 | STATIC void |
cea2e8a9 | 3936 | S_init_ids(pTHX) |
352d5a3a | 3937 | { |
284167a5 S |
3938 | /* no need to do anything here any more if we don't |
3939 | * do tainting. */ | |
dc6d7f5c | 3940 | #ifndef NO_TAINT_SUPPORT |
dfff4baf BF |
3941 | const Uid_t my_uid = PerlProc_getuid(); |
3942 | const Uid_t my_euid = PerlProc_geteuid(); | |
3943 | const Gid_t my_gid = PerlProc_getgid(); | |
3944 | const Gid_t my_egid = PerlProc_getegid(); | |
985213f2 | 3945 | |
20b7effb JH |
3946 | PERL_UNUSED_CONTEXT; |
3947 | ||
22f7c9c9 | 3948 | /* Should not happen: */ |
985213f2 | 3949 | CHECK_MALLOC_TAINT(my_uid && (my_euid != my_uid || my_egid != my_gid)); |
284167a5 S |
3950 | TAINTING_set( TAINTING_get | (my_uid && (my_euid != my_uid || my_egid != my_gid)) ); |
3951 | #endif | |
ae3f3efd PS |
3952 | /* BUG */ |
3953 | /* PSz 27 Feb 04 | |
3954 | * Should go by suidscript, not uid!=euid: why disallow | |
3955 | * system("ls") in scripts run from setuid things? | |
3956 | * Or, is this run before we check arguments and set suidscript? | |
3957 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3958 | * (We never have suidscript, can we be sure to have fdscript?) | |
3959 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3960 | */ | |
748a9306 | 3961 | } |
79072805 | 3962 | |
a0643315 JH |
3963 | /* This is used very early in the lifetime of the program, |
3964 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3965 | * not been initialized properly. */ |
af419de7 | 3966 | bool |
8f42b153 | 3967 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3968 | { |
c3446a78 JH |
3969 | #ifndef PERL_IMPLICIT_SYS |
3970 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3971 | * before we have an interpreter-- and the whole point of this | |
3972 | * function is to be called at such an early stage. If you are on | |
3973 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3974 | * "tainted because running with altered effective ids', you'll | |
3975 | * have to add your own checks somewhere in here. The two most | |
3976 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3977 | * of which has much of concept of 'uids'. */ | |
dfff4baf BF |
3978 | Uid_t uid = PerlProc_getuid(); |
3979 | Uid_t euid = PerlProc_geteuid(); | |
3980 | Gid_t gid = PerlProc_getgid(); | |
3981 | Gid_t egid = PerlProc_getegid(); | |
6867be6d | 3982 | (void)envp; |
22f7c9c9 JH |
3983 | |
3984 | #ifdef VMS | |
af419de7 | 3985 | uid |= gid << 16; |
22f7c9c9 JH |
3986 | euid |= egid << 16; |
3987 | #endif | |
3988 | if (uid && (euid != uid || egid != gid)) | |
3989 | return 1; | |
c3446a78 | 3990 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3991 | /* This is a really primitive check; environment gets ignored only |
3992 | * if -T are the first chars together; otherwise one gets | |
3993 | * "Too late" message. */ | |
22f7c9c9 | 3994 | if ( argc > 1 && argv[1][0] == '-' |
305b8651 | 3995 | && isALPHA_FOLD_EQ(argv[1][1], 't')) |
22f7c9c9 JH |
3996 | return 1; |
3997 | return 0; | |
3998 | } | |
22f7c9c9 | 3999 | |
d0bafe7e NC |
4000 | /* Passing the flag as a single char rather than a string is a slight space |
4001 | optimisation. The only message that isn't /^-.$/ is | |
4002 | "program input from stdin", which is substituted in place of '\0', which | |
4003 | could never be a command line flag. */ | |
76e3520e | 4004 | STATIC void |
f20b2998 | 4005 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 4006 | { |
d0bafe7e NC |
4007 | char string[3] = "-x"; |
4008 | const char *message = "program input from stdin"; | |
4009 | ||
20b7effb | 4010 | PERL_UNUSED_CONTEXT; |
d0bafe7e NC |
4011 | if (flag) { |
4012 | string[1] = flag; | |
4013 | message = string; | |
4014 | } | |
4015 | ||
ae3f3efd | 4016 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
985213f2 | 4017 | if (PerlProc_getuid() != PerlProc_geteuid()) |
d0bafe7e | 4018 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
985213f2 | 4019 | if (PerlProc_getgid() != PerlProc_getegid()) |
d0bafe7e | 4020 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 4021 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 4022 | if (suidscript) |
d0bafe7e | 4023 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 4024 | } |
4025 | ||
1ee4443e | 4026 | void |
5b235299 NC |
4027 | Perl_init_dbargs(pTHX) |
4028 | { | |
4029 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
4030 | GV_ADDMULTI, | |
4031 | SVt_PVAV)))); | |
4032 | ||
4033 | if (AvREAL(args)) { | |
4034 | /* Someone has already created it. | |
4035 | It might have entries, and if we just turn off AvREAL(), they will | |
4036 | "leak" until global destruction. */ | |
4037 | av_clear(args); | |
3df49e2a | 4038 | if (SvTIED_mg((const SV *)args, PERL_MAGIC_tied)) |
7355df7e | 4039 | Perl_croak(aTHX_ "Cannot set tied @DB::args"); |
5b235299 | 4040 | } |
af80dd86 | 4041 | AvREIFY_only(PL_dbargs); |
5b235299 NC |
4042 | } |
4043 | ||
4044 | void | |
1ee4443e | 4045 | Perl_init_debugger(pTHX) |
748a9306 | 4046 | { |
c4420975 | 4047 | HV * const ostash = PL_curstash; |
a6d69523 | 4048 | MAGIC *mg; |
1ee4443e | 4049 | |
03d9f026 | 4050 | PL_curstash = (HV *)SvREFCNT_inc_simple(PL_debstash); |
5b235299 NC |
4051 | |
4052 | Perl_init_dbargs(aTHX); | |
8cece913 FC |
4053 | PL_DBgv = MUTABLE_GV( |
4054 | SvREFCNT_inc(gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV)) | |
4055 | ); | |
4056 | PL_DBline = MUTABLE_GV( | |
4057 | SvREFCNT_inc(gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV)) | |
4058 | ); | |
4059 | PL_DBsub = MUTABLE_GV(SvREFCNT_inc( | |
4060 | gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)) | |
4061 | )); | |
5c1737d1 | 4062 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4063 | if (!SvIOK(PL_DBsingle)) |
4064 | sv_setiv(PL_DBsingle, 0); | |
a6d69523 TC |
4065 | mg = sv_magicext(PL_DBsingle, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4066 | mg->mg_private = DBVARMG_SINGLE; | |
4067 | SvSETMAGIC(PL_DBsingle); | |
4068 | ||
5c1737d1 | 4069 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4070 | if (!SvIOK(PL_DBtrace)) |
4071 | sv_setiv(PL_DBtrace, 0); | |
a6d69523 TC |
4072 | mg = sv_magicext(PL_DBtrace, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4073 | mg->mg_private = DBVARMG_TRACE; | |
4074 | SvSETMAGIC(PL_DBtrace); | |
4075 | ||
5c1737d1 | 4076 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
4077 | if (!SvIOK(PL_DBsignal)) |
4078 | sv_setiv(PL_DBsignal, 0); | |
a6d69523 TC |
4079 | mg = sv_magicext(PL_DBsignal, NULL, PERL_MAGIC_debugvar, &PL_vtbl_debugvar, 0, 0); |
4080 | mg->mg_private = DBVARMG_SIGNAL; | |
4081 | SvSETMAGIC(PL_DBsignal); | |
4082 | ||
03d9f026 | 4083 | SvREFCNT_dec(PL_curstash); |
1ee4443e | 4084 | PL_curstash = ostash; |
352d5a3a LW |
4085 | } |
4086 | ||
2ce36478 SM |
4087 | #ifndef STRESS_REALLOC |
4088 | #define REASONABLE(size) (size) | |
0ff72558 | 4089 | #define REASONABLE_but_at_least(size,min) (size) |
2ce36478 SM |
4090 | #else |
4091 | #define REASONABLE(size) (1) /* unreasonable */ | |
0ff72558 | 4092 | #define REASONABLE_but_at_least(size,min) (min) |
2ce36478 SM |
4093 | #endif |
4094 | ||
11343788 | 4095 | void |
cea2e8a9 | 4096 | Perl_init_stacks(pTHX) |
79072805 | 4097 | { |
3caf0269 DM |
4098 | SSize_t size; |
4099 | ||
e336de0d | 4100 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4101 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4102 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4103 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4104 | PL_curstack = PL_curstackinfo->si_stack; | |
4105 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4106 | |
3280af22 NIS |
4107 | PL_stack_base = AvARRAY(PL_curstack); |
4108 | PL_stack_sp = PL_stack_base; | |
4109 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4110 | |
a02a5408 | 4111 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4112 | PL_tmps_floor = -1; |
4113 | PL_tmps_ix = -1; | |
4114 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4115 | |
a02a5408 | 4116 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4117 | PL_markstack_ptr = PL_markstack; |
4118 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4119 | |
ce2f7c3b | 4120 | SET_MARK_OFFSET; |
e336de0d | 4121 | |
a02a5408 | 4122 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
4123 | #ifdef DEBUGGING |
4124 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
4125 | #endif | |
3280af22 NIS |
4126 | PL_scopestack_ix = 0; |
4127 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4128 | |
3caf0269 DM |
4129 | size = REASONABLE_but_at_least(128,SS_MAXPUSH); |
4130 | Newx(PL_savestack, size, ANY); | |
3280af22 | 4131 | PL_savestack_ix = 0; |
3caf0269 DM |
4132 | /*PL_savestack_max lies: it always has SS_MAXPUSH more than it claims */ |
4133 | PL_savestack_max = size - SS_MAXPUSH; | |
378cc40b | 4134 | } |
33b78306 | 4135 | |
2ce36478 SM |
4136 | #undef REASONABLE |
4137 | ||
76e3520e | 4138 | STATIC void |
cea2e8a9 | 4139 | S_nuke_stacks(pTHX) |
6e72f9df | 4140 | { |
3280af22 NIS |
4141 | while (PL_curstackinfo->si_next) |
4142 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4143 | while (PL_curstackinfo) { | |
4144 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4145 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4146 | Safefree(PL_curstackinfo->si_cxstack); |
4147 | Safefree(PL_curstackinfo); | |
4148 | PL_curstackinfo = p; | |
e336de0d | 4149 | } |
3280af22 NIS |
4150 | Safefree(PL_tmps_stack); |
4151 | Safefree(PL_markstack); | |
4152 | Safefree(PL_scopestack); | |
58780814 GG |
4153 | #ifdef DEBUGGING |
4154 | Safefree(PL_scopestack_name); | |
4155 | #endif | |
3280af22 | 4156 | Safefree(PL_savestack); |
378cc40b | 4157 | } |
33b78306 | 4158 | |
74e8ce34 NC |
4159 | void |
4160 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
4161 | { | |
4162 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
4163 | AV *const isa = GvAVn(gv); | |
4164 | va_list args; | |
4165 | ||
4166 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
4167 | ||
4168 | if(AvFILLp(isa) != -1) | |
4169 | return; | |
4170 | ||
4171 | /* NOTE: No support for tied ISA */ | |
4172 | ||
4173 | va_start(args, len); | |
4174 | do { | |
4175 | const char *const parent = va_arg(args, const char*); | |
4176 | size_t parent_len; | |
4177 | ||
4178 | if (!parent) | |
4179 | break; | |
4180 | parent_len = va_arg(args, size_t); | |
4181 | ||
4182 | /* Arguments are supplied with a trailing :: */ | |
4183 | assert(parent_len > 2); | |
4184 | assert(parent[parent_len - 1] == ':'); | |
4185 | assert(parent[parent_len - 2] == ':'); | |
4186 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
4187 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
4188 | } while (1); | |
4189 | va_end(args); | |
4190 | } | |
4191 | ||
8990e307 | 4192 | |
76e3520e | 4193 | STATIC void |
cea2e8a9 | 4194 | S_init_predump_symbols(pTHX) |
45d8adaa | 4195 | { |
93a17b20 | 4196 | GV *tmpgv; |
af8c498a | 4197 | IO *io; |
79072805 | 4198 | |
64ace3f8 | 4199 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
4200 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
4201 | ||
d963bf01 NC |
4202 | |
4203 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
4204 | FileHandle was loaded, in which case they were blessed into | |
4205 | that. Action at a distance. | |
4206 | However, if we simply bless into IO::Handle, we break code | |
4207 | that assumes that PVIOs will have (among others) a seek | |
4208 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
4209 | and provides the needed methods. But if we simply bless into | |
4210 | it, then we break code that assumed that by loading | |
4211 | IO::Handle, *it* would work. | |
4212 | So a compromise is to set up the correct @IO::File::ISA, | |
4213 | so that code that does C<use IO::Handle>; will still work. | |
4214 | */ | |
4215 | ||
74e8ce34 NC |
4216 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
4217 | STR_WITH_LEN("IO::Handle::"), | |
4218 | STR_WITH_LEN("IO::Seekable::"), | |
4219 | STR_WITH_LEN("Exporter::"), | |
4220 | NULL); | |
d963bf01 | 4221 | |
fafc274c | 4222 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4223 | GvMULTI_on(PL_stdingv); |
af8c498a | 4224 | io = GvIOp(PL_stdingv); |
a04651f4 | 4225 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4226 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4227 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4228 | GvMULTI_on(tmpgv); |
a45c7426 | 4229 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4230 | |
fafc274c | 4231 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4232 | GvMULTI_on(tmpgv); |
af8c498a | 4233 | io = GvIOp(tmpgv); |
a04651f4 | 4234 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4235 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4236 | setdefout(tmpgv); |
fafc274c | 4237 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4238 | GvMULTI_on(tmpgv); |
a45c7426 | 4239 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4240 | |
fafc274c | 4241 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4242 | GvMULTI_on(PL_stderrgv); |
4243 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4244 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4245 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4246 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4247 | GvMULTI_on(tmpgv); |
a45c7426 | 4248 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4249 | |
de61bf2a | 4250 | PL_statname = newSVpvs(""); /* last filename we did stat on */ |
79072805 | 4251 | } |
33b78306 | 4252 | |
a11ec5a9 | 4253 | void |
5aaab254 | 4254 | Perl_init_argv_symbols(pTHX_ int argc, char **argv) |
33b78306 | 4255 | { |
7918f24d NC |
4256 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; |
4257 | ||
79072805 | 4258 | argc--,argv++; /* skip name of script */ |
3280af22 | 4259 | if (PL_doswitches) { |
79072805 | 4260 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4261 | char *s; |
79072805 LW |
4262 | if (!argv[0][1]) |
4263 | break; | |
379d538a | 4264 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4265 | argc--,argv++; |
4266 | break; | |
4267 | } | |
155aba94 | 4268 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4269 | const char *const start_name = argv[0] + 1; |
4270 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4271 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4272 | } |
4273 | else | |
71315bf2 | 4274 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4275 | } |
79072805 | 4276 | } |
fafc274c | 4277 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
722fa0e9 | 4278 | SvREFCNT_inc_simple_void_NN(PL_argvgv); |
a11ec5a9 | 4279 | GvMULTI_on(PL_argvgv); |
a11ec5a9 RGS |
4280 | av_clear(GvAVn(PL_argvgv)); |
4281 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4282 | SV * const sv = newSVpv(argv[0],0); |
b188953e | 4283 | av_push(GvAV(PL_argvgv),sv); |
ce81ff12 JH |
4284 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4285 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4286 | SvUTF8_on(sv); | |
4287 | } | |
a05d7ebb JH |
4288 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4289 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4290 | } |
4291 | } | |
82f96200 JL |
4292 | |
4293 | if (PL_inplace && (!PL_argvgv || AvFILL(GvAV(PL_argvgv)) == -1)) | |
4294 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INPLACE), | |
4295 | "-i used with no filenames on the command line, " | |
4296 | "reading from STDIN"); | |
a11ec5a9 RGS |
4297 | } |
4298 | ||
4299 | STATIC void | |
5aaab254 | 4300 | S_init_postdump_symbols(pTHX_ int argc, char **argv, char **env) |
a11ec5a9 | 4301 | { |
20b7effb | 4302 | #ifdef USE_ITHREADS |
27da23d5 | 4303 | dVAR; |
20b7effb | 4304 | #endif |
a11ec5a9 | 4305 | GV* tmpgv; |
a11ec5a9 | 4306 | |
7918f24d NC |
4307 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4308 | ||
f2da823f | 4309 | PL_toptarget = newSV_type(SVt_PVIV); |
76f68e9b | 4310 | sv_setpvs(PL_toptarget, ""); |
f2da823f | 4311 | PL_bodytarget = newSV_type(SVt_PVIV); |
76f68e9b | 4312 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4313 | PL_formtarget = PL_bodytarget; |
79072805 | 4314 | |
bbce6d69 | 4315 | TAINT; |
a11ec5a9 RGS |
4316 | |
4317 | init_argv_symbols(argc,argv); | |
4318 | ||
fafc274c | 4319 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4320 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4321 | } |
fafc274c | 4322 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4323 | HV *hv; |
e17132c1 | 4324 | bool env_is_not_environ; |
cf93a474 | 4325 | SvREFCNT_inc_simple_void_NN(PL_envgv); |
3280af22 NIS |
4326 | GvMULTI_on(PL_envgv); |
4327 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4328 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4329 | #ifndef PERL_MICRO |
fa6a1c44 | 4330 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4331 | /* Note that if the supplied env parameter is actually a copy |
4332 | of the global environ then it may now point to free'd memory | |
4333 | if the environment has been modified since. To avoid this | |
4334 | problem we treat env==NULL as meaning 'use the default' | |
4335 | */ | |
4336 | if (!env) | |
4337 | env = environ; | |
e17132c1 JD |
4338 | env_is_not_environ = env != environ; |
4339 | if (env_is_not_environ | |
4efc5df6 GS |
4340 | # ifdef USE_ITHREADS |
4341 | && PL_curinterp == aTHX | |
4342 | # endif | |
4343 | ) | |
4344 | { | |
bd61b366 | 4345 | environ[0] = NULL; |
4efc5df6 | 4346 | } |
9b4eeda5 | 4347 | if (env) { |
9d27dca9 | 4348 | char *s, *old_var; |
ae37b791 | 4349 | STRLEN nlen; |
27da23d5 | 4350 | SV *sv; |
ae37b791 TC |
4351 | HV *dups = newHV(); |
4352 | ||
764df951 | 4353 | for (; *env; env++) { |
9d27dca9 MT |
4354 | old_var = *env; |
4355 | ||
4356 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4357 | continue; |
ae37b791 | 4358 | nlen = s - old_var; |
9d27dca9 | 4359 | |
7da0e383 | 4360 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4361 | *s = '\0'; |
9d27dca9 | 4362 | (void)strupr(old_var); |
61968511 | 4363 | *s = '='; |
137443ea | 4364 | #endif |
ae37b791 TC |
4365 | if (hv_exists(hv, old_var, nlen)) { |
4366 | const char *name = savepvn(old_var, nlen); | |
4367 | ||
4368 | /* make sure we use the same value as getenv(), otherwise code that | |
4369 | uses getenv() (like setlocale()) might see a different value to %ENV | |
4370 | */ | |
4371 | sv = newSVpv(PerlEnv_getenv(name), 0); | |
4372 | ||
4373 | /* keep a count of the dups of this name so we can de-dup environ later */ | |
4374 | if (hv_exists(dups, name, nlen)) | |
4375 | ++SvIVX(*hv_fetch(dups, name, nlen, 0)); | |
4376 | else | |
4377 | (void)hv_store(dups, name, nlen, newSViv(1), 0); | |
4378 | ||
4379 | Safefree(name); | |
4380 | } | |
4381 | else { | |
4382 | sv = newSVpv(s+1, 0); | |
4383 | } | |
4384 | (void)hv_store(hv, old_var, nlen, sv, 0); | |
e17132c1 | 4385 | if (env_is_not_environ) |
61968511 | 4386 | mg_set(sv); |
764df951 | 4387 | } |
ae37b791 TC |
4388 | if (HvKEYS(dups)) { |
4389 | /* environ has some duplicate definitions, remove them */ | |
4390 | HE *entry; | |
4391 | hv_iterinit(dups); | |
4392 | while ((entry = hv_iternext_flags(dups, 0))) { | |
4393 | STRLEN nlen; | |
4394 | const char *name = HePV(entry, nlen); | |
4395 | IV count = SvIV(HeVAL(entry)); | |
4396 | IV i; | |
4397 | SV **valp = hv_fetch(hv, name, nlen, 0); | |
4398 | ||
4399 | assert(valp); | |
4400 | ||
4401 | /* try to remove any duplicate names, depending on the | |
4402 | * implementation used in my_setenv() the iteration might | |
4403 | * not be necessary, but let's be safe. | |
4404 | */ | |
4405 | for (i = 0; i < count; ++i) | |
4406 | my_setenv(name, 0); | |
4407 | ||
4408 | /* and set it back to the value we set $ENV{name} to */ | |
4409 | my_setenv(name, SvPV_nolen(*valp)); | |
4410 | } | |
4411 | } | |
4412 | SvREFCNT_dec_NN(dups); | |
9b4eeda5 | 4413 | } |
103a7189 | 4414 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4415 | #endif /* !PERL_MICRO */ |
79072805 | 4416 | } |
bbce6d69 | 4417 | TAINT_NOT; |
2710853f MJD |
4418 | |
4419 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4420 | if (PL_minus_a) { | |
cbfd0a87 | 4421 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4422 | } |
33b78306 | 4423 | } |
34de22dd | 4424 | |
76e3520e | 4425 | STATIC void |
2cace6ac | 4426 | S_init_perllib(pTHX) |
34de22dd | 4427 | { |
32910c7a | 4428 | #ifndef VMS |
929e5b34 | 4429 | const char *perl5lib = NULL; |
32910c7a | 4430 | #endif |
35ba5ce9 | 4431 | const char *s; |
a7560424 | 4432 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4433 | STRLEN len; |
4434 | #endif | |
4435 | ||
284167a5 | 4436 | if (!TAINTING_get) { |
552a7a9b | 4437 | #ifndef VMS |
32910c7a | 4438 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4439 | /* |
4440 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4441 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4442 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4443 | */ |
4444 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4445 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4446 | #else |
32910c7a | 4447 | if (perl5lib) |
88f5bc07 | 4448 | #endif |
32910c7a | 4449 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4450 | else { |
4705144d NC |
4451 | s = PerlEnv_getenv("PERLLIB"); |
4452 | if (s) | |
50d61629 | 4453 | incpush_use_sep(s, 0, 0); |
4705144d | 4454 | } |
552a7a9b | 4455 | #else /* VMS */ |
4456 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4457 | * "natural" VMS idiom for a Unix path string. We allow each | |
4458 | * element to be a set of |-separated directories for compatibility. | |
4459 | */ | |
4460 | char buf[256]; | |
4461 | int idx = 0; | |
88467a4b | 4462 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
e28f3139 | 4463 | do { |
2cace6ac | 4464 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
88467a4b | 4465 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
f05b5874 | 4466 | else { |
88467a4b | 4467 | while (vmstrnenv("PERLLIB",buf,idx++,NULL,0)) |
50d61629 | 4468 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4469 | } |
552a7a9b | 4470 | #endif /* VMS */ |
85e6fe83 | 4471 | } |
34de22dd | 4472 | |
b0e687f7 NC |
4473 | #ifndef PERL_IS_MINIPERL |
4474 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4475 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4476 | ||
c90c0ff4 | 4477 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4478 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4479 | */ |
4633a7c4 | 4480 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4481 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4482 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4483 | #endif |
4633a7c4 | 4484 | |
65f19062 | 4485 | #ifdef SITEARCH_EXP |
3b290362 GS |
4486 | /* sitearch is always relative to sitelib on Windows for |
4487 | * DLL-based path intuition to work correctly */ | |
4488 | # if !defined(WIN32) | |
be71fc8f NC |
4489 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4490 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4491 | # endif |
4492 | #endif | |
4493 | ||
4633a7c4 | 4494 | #ifdef SITELIB_EXP |
65f19062 | 4495 | # if defined(WIN32) |
574c798a | 4496 | /* this picks up sitearch as well */ |
1c68cbf7 | 4497 | s = PerlEnv_sitelib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4498 | if (s) |
e6a0bbf8 | 4499 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4500 | # else |
50d61629 | 4501 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4502 | # endif |
4503 | #endif | |
189d1e8d | 4504 | |
65f19062 | 4505 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4506 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4507 | * DLL-based path intuition to work correctly */ |
4508 | # if !defined(WIN32) | |
be71fc8f NC |
4509 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4510 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4511 | # endif |
4b03c463 | 4512 | #endif |
65f19062 GS |
4513 | |
4514 | #ifdef PERL_VENDORLIB_EXP | |
4515 | # if defined(WIN32) | |
e28f3139 | 4516 | /* this picks up vendorarch as well */ |
1c68cbf7 | 4517 | s = PerlEnv_vendorlib_path(PERL_FS_VERSION, &len); |
1fa74d9f | 4518 | if (s) |
e6a0bbf8 | 4519 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4520 | # else |
be71fc8f NC |
4521 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4522 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4523 | # endif |
a3635516 | 4524 | #endif |
65f19062 | 4525 | |
b9ba2fad | 4526 | #ifdef ARCHLIB_EXP |
2cace6ac | 4527 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4528 | #endif |
4529 | ||
4530 | #ifndef PRIVLIB_EXP | |
4531 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4532 | #endif | |
4533 | ||
4534 | #if defined(WIN32) | |
1c68cbf7 | 4535 | s = PerlEnv_lib_path(PERL_FS_VERSION, &len); |
2cace6ac NC |
4536 | if (s) |
4537 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4538 | #else |
04c9eecc | 4539 | # ifdef NETWARE |
2cace6ac | 4540 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4541 | # else |
2cace6ac | 4542 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4543 | # endif |
b9ba2fad NC |
4544 | #endif |
4545 | ||
3b777bb4 | 4546 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4547 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4548 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4549 | |INCPUSH_CAN_RELOCATE); |
4550 | #endif | |
2cace6ac | 4551 | |
284167a5 | 4552 | if (!TAINTING_get) { |
2cace6ac | 4553 | #ifndef VMS |
2cace6ac NC |
4554 | /* |
4555 | * It isn't possible to delete an environment variable with | |
4556 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4557 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4558 | */ | |
4559 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4560 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4561 | #else |
32910c7a | 4562 | if (perl5lib) |
2cace6ac | 4563 | #endif |
32910c7a NC |
4564 | incpush_use_sep(perl5lib, 0, |
4565 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4566 | #else /* VMS */ |
4567 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4568 | * "natural" VMS idiom for a Unix path string. We allow each | |
4569 | * element to be a set of |-separated directories for compatibility. | |
4570 | */ | |
4571 | char buf[256]; | |
4572 | int idx = 0; | |
88467a4b | 4573 | if (vmstrnenv("PERL5LIB",buf,0,NULL,0)) |
2cace6ac | 4574 | do { |
be71fc8f NC |
4575 | incpush_use_sep(buf, 0, |
4576 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
88467a4b | 4577 | } while (vmstrnenv("PERL5LIB",buf,++idx,NULL,0)); |
2cace6ac | 4578 | #endif /* VMS */ |
a26c0e28 | 4579 | } |
2cace6ac NC |
4580 | |
4581 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4582 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4583 | */ |
4584 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4585 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4586 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4587 | #endif |
4588 | ||
2cace6ac NC |
4589 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4590 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4591 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4592 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4593 | #endif |
4594 | ||
4595 | ||
4596 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4597 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4598 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4599 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4600 | #endif |
4601 | ||
4602 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4603 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4604 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4605 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4606 | #endif |
b0e687f7 | 4607 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4608 | |
284167a5 | 4609 | if (!TAINTING_get) |
55b4bc1c | 4610 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4611 | } |
4612 | ||
739a0b84 | 4613 | #if defined(DOSISH) || defined(__SYMBIAN32__) |
774d564b | 4614 | # define PERLLIB_SEP ';' |
4615 | #else | |
4616 | # if defined(VMS) | |
4617 | # define PERLLIB_SEP '|' | |
4618 | # else | |
e37778c2 | 4619 | # define PERLLIB_SEP ':' |
774d564b | 4620 | # endif |
4621 | #endif | |
4622 | #ifndef PERLLIB_MANGLE | |
4623 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4624 | #endif |
774d564b | 4625 | |
59d6f6a4 | 4626 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4627 | /* Push a directory onto @INC if it exists. |
4628 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4629 | onto @INC */ | |
4630 | STATIC SV * | |
7ffdaae6 | 4631 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae NC |
4632 | { |
4633 | Stat_t tmpstatbuf; | |
7918f24d NC |
4634 | |
4635 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4636 | ||
848ef955 | 4637 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4638 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4639 | av_push(av, dir); |
7ffdaae6 NC |
4640 | dir = newSVsv(stem); |
4641 | } else { | |
4642 | /* Truncate dir back to stem. */ | |
4643 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4644 | } |
4645 | return dir; | |
4646 | } | |
59d6f6a4 | 4647 | #endif |
ad17a1ae | 4648 | |
c29067d7 CH |
4649 | STATIC SV * |
4650 | S_mayberelocate(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
774d564b | 4651 | { |
6434436b | 4652 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
c29067d7 | 4653 | SV *libdir; |
774d564b | 4654 | |
c29067d7 | 4655 | PERL_ARGS_ASSERT_MAYBERELOCATE; |
08d0d8ab | 4656 | assert(len > 0); |
3a9a9ba7 | 4657 | |
d2898d73 EB |
4658 | /* I am not convinced that this is valid when PERLLIB_MANGLE is |
4659 | defined to so something (in os2/os2.c), but the code has been | |
4660 | this way, ignoring any possible changed of length, since | |
4661 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4662 | it be. */ | |
4663 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
774d564b | 4664 | |
81600524 | 4665 | #ifdef VMS |
db12e2d3 | 4666 | { |
81600524 | 4667 | char *unix; |
81600524 CB |
4668 | |
4669 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4670 | len = strlen(unix); | |
f420cce1 | 4671 | while (len > 1 && unix[len-1] == '/') len--; /* Cosmetic */ |
81600524 CB |
4672 | sv_usepvn(libdir,unix,len); |
4673 | } | |
4674 | else | |
4675 | PerlIO_printf(Perl_error_log, | |
4676 | "Failed to unixify @INC element \"%s\"\n", | |
9dfa9235 | 4677 | SvPV_nolen_const(libdir)); |
db12e2d3 | 4678 | } |
81600524 CB |
4679 | #endif |
4680 | ||
dd374669 AL |
4681 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4682 | parameter. */ | |
4683 | if (canrelocate) { | |
88fe16b2 NC |
4684 | #ifdef PERL_RELOCATABLE_INC |
4685 | /* | |
4686 | * Relocatable include entries are marked with a leading .../ | |
4687 | * | |
4688 | * The algorithm is | |
4689 | * 0: Remove that leading ".../" | |
4690 | * 1: Remove trailing executable name (anything after the last '/') | |
4691 | * from the perl path to give a perl prefix | |
4692 | * Then | |
4693 | * While the @INC element starts "../" and the prefix ends with a real | |
4694 | * directory (ie not . or ..) chop that real directory off the prefix | |
4695 | * and the leading "../" from the @INC element. ie a logical "../" | |
4696 | * cleanup | |
4697 | * Finally concatenate the prefix and the remainder of the @INC element | |
4698 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4699 | * generates /usr/local/lib/perl5 | |
4700 | */ | |
890ce7af | 4701 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4702 | STRLEN libpath_len = SvCUR(libdir); |
4703 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4704 | /* Game on! */ | |
890ce7af | 4705 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4706 | /* Going to use the SV just as a scratch buffer holding a C |
4707 | string: */ | |
4708 | SV *prefix_sv; | |
4709 | char *prefix; | |
4710 | char *lastslash; | |
4711 | ||
4712 | /* $^X is *the* source of taint if tainting is on, hence | |
4713 | SvPOK() won't be true. */ | |
4714 | assert(caret_X); | |
4715 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4716 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4717 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4718 | /* Firstly take off the leading .../ |
4719 | If all else fail we'll do the paths relative to the current | |
4720 | directory. */ | |
4721 | sv_chop(libdir, libpath + 4); | |
4722 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4723 | mortal copies that the mg_get of tainting creates, and | |
4724 | corruption that seems to come via the save stack. | |
4725 | I guess that the save stack isn't correctly set up yet. */ | |
4726 | libpath = SvPVX(libdir); | |
4727 | libpath_len = SvCUR(libdir); | |
4728 | ||
4729 | /* This would work more efficiently with memrchr, but as it's | |
4730 | only a GNU extension we'd need to probe for it and | |
4731 | implement our own. Not hard, but maybe not worth it? */ | |
4732 | ||
4733 | prefix = SvPVX(prefix_sv); | |
4734 | lastslash = strrchr(prefix, '/'); | |
4735 | ||
4736 | /* First time in with the *lastslash = '\0' we just wipe off | |
4737 | the trailing /perl from (say) /usr/foo/bin/perl | |
4738 | */ | |
4739 | if (lastslash) { | |
4740 | SV *tempsv; | |
4741 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4742 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4743 | && (lastslash = strrchr(prefix, '/')))) { | |
4744 | if (lastslash[1] == '\0' | |
4745 | || (lastslash[1] == '.' | |
4746 | && (lastslash[2] == '/' /* ends "/." */ | |
4747 | || (lastslash[2] == '/' | |
4748 | && lastslash[3] == '/' /* or "/.." */ | |
4749 | )))) { | |
4750 | /* Prefix ends "/" or "/." or "/..", any of which | |
4751 | are fishy, so don't do any more logical cleanup. | |
4752 | */ | |
4753 | break; | |
4754 | } | |
4755 | /* Remove leading "../" from path */ | |
4756 | libpath += 3; | |
4757 | libpath_len -= 3; | |
4758 | /* Next iteration round the loop removes the last | |
4759 | directory name from prefix by writing a '\0' in | |
4760 | the while clause. */ | |
4761 | } | |
4762 | /* prefix has been terminated with a '\0' to the correct | |
4763 | length. libpath points somewhere into the libdir SV. | |
4764 | We need to join the 2 with '/' and drop the result into | |
4765 | libdir. */ | |
4766 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4767 | SvREFCNT_dec(libdir); | |
4768 | /* And this is the new libdir. */ | |
4769 | libdir = tempsv; | |
284167a5 | 4770 | if (TAINTING_get && |
985213f2 AB |
4771 | (PerlProc_getuid() != PerlProc_geteuid() || |
4772 | PerlProc_getgid() != PerlProc_getegid())) { | |
486ec47a | 4773 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4774 | SvTAINTED_on(libdir); |
4775 | } | |
4776 | } | |
4777 | SvREFCNT_dec(prefix_sv); | |
4778 | } | |
88fe16b2 | 4779 | #endif |
dd374669 | 4780 | } |
c29067d7 | 4781 | return libdir; |
c29067d7 CH |
4782 | } |
4783 | ||
4784 | STATIC void | |
4785 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) | |
4786 | { | |
c29067d7 CH |
4787 | #ifndef PERL_IS_MINIPERL |
4788 | const U8 using_sub_dirs | |
4789 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS | |
4790 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4791 | const U8 add_versioned_sub_dirs | |
4792 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4793 | const U8 add_archonly_sub_dirs | |
4794 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
4795 | #ifdef PERL_INC_VERSION_LIST | |
4796 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; | |
4797 | #endif | |
4798 | #endif | |
4799 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
4800 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; | |
4801 | AV *const inc = GvAVn(PL_incgv); | |
4802 | ||
4803 | PERL_ARGS_ASSERT_INCPUSH; | |
4804 | assert(len > 0); | |
4805 | ||
4806 | /* Could remove this vestigial extra block, if we don't mind a lot of | |
4807 | re-indenting diff noise. */ | |
4808 | { | |
5a702b9a | 4809 | SV *const libdir = mayberelocate(dir, len, flags); |
c29067d7 CH |
4810 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4811 | arranged to unshift #! line -I onto the front of @INC. However, | |
4812 | -I can add version and architecture specific libraries, and they | |
4813 | need to go first. The old code assumed that it was always | |
4814 | pushing. Hence to make it work, need to push the architecture | |
4815 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4816 | the front of @INC. */ | |
4817 | #ifndef PERL_IS_MINIPERL | |
4818 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; | |
c29067d7 | 4819 | |
774d564b | 4820 | /* |
4821 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4822 | * archname-specific sub-directories. | |
4823 | */ | |
ee80e7be | 4824 | if (using_sub_dirs) { |
5a702b9a | 4825 | SV *subdir = newSVsv(libdir); |
29d82f8d | 4826 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4827 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4828 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4829 | const char * const *incver; | |
29d82f8d | 4830 | #endif |
7ffdaae6 | 4831 | |
1e3208d8 | 4832 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4833 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4834 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4835 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4836 | |
9c8a64f0 | 4837 | /* .../version if -d .../version */ |
e51b748d | 4838 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4839 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4840 | } |
9c8a64f0 | 4841 | |
9c8a64f0 | 4842 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4843 | if (addoldvers) { |
9c8a64f0 GS |
4844 | for (incver = incverlist; *incver; incver++) { |
4845 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4846 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4847 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4848 | } |
4849 | } | |
29d82f8d | 4850 | #endif |
c992324b | 4851 | |
1e3208d8 | 4852 | if (add_archonly_sub_dirs) { |
c992324b | 4853 | /* .../archname if -d .../archname */ |
e51b748d | 4854 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4855 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4856 | |
4857 | } | |
10cc20f6 NC |
4858 | |
4859 | assert (SvREFCNT(subdir) == 1); | |
4860 | SvREFCNT_dec(subdir); | |
774d564b | 4861 | } |
59d6f6a4 | 4862 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4863 | /* finally add this lib directory at the end of @INC */ |
4864 | if (unshift) { | |
76895e89 | 4865 | #ifdef PERL_IS_MINIPERL |
c70927a6 | 4866 | const Size_t extra = 0; |
76895e89 | 4867 | #else |
b9f2b683 | 4868 | Size_t extra = av_tindex(av) + 1; |
76895e89 | 4869 | #endif |
a26c0e28 NC |
4870 | av_unshift(inc, extra + push_basedir); |
4871 | if (push_basedir) | |
4872 | av_store(inc, extra, libdir); | |
76895e89 | 4873 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4874 | while (extra--) { |
4875 | /* av owns a reference, av_store() expects to be donated a | |
4876 | reference, and av expects to be sane when it's cleared. | |
4877 | If I wanted to be naughty and wrong, I could peek inside the | |
4878 | implementation of av_clear(), realise that it uses | |
4879 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4880 | and so directly steal from it (with a memcpy() to inc, and | |
4881 | then memset() to NULL them out. But people copy code from the | |
4882 | core expecting it to be best practise, so let's use the API. | |
4883 | Although studious readers will note that I'm not checking any | |
4884 | return codes. */ | |
4885 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4886 | } | |
4887 | SvREFCNT_dec(av); | |
59d6f6a4 | 4888 | #endif |
20189146 | 4889 | } |
a26c0e28 | 4890 | else if (push_basedir) { |
3a9a9ba7 | 4891 | av_push(inc, libdir); |
20189146 | 4892 | } |
a26c0e28 NC |
4893 | |
4894 | if (!push_basedir) { | |
4895 | assert (SvREFCNT(libdir) == 1); | |
4896 | SvREFCNT_dec(libdir); | |
4897 | } | |
774d564b | 4898 | } |
34de22dd | 4899 | } |
93a17b20 | 4900 | |
55b4bc1c | 4901 | STATIC void |
50d61629 | 4902 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4903 | { |
50d61629 NC |
4904 | const char *s; |
4905 | const char *end; | |
55b4bc1c NC |
4906 | /* This logic has been broken out from S_incpush(). It may be possible to |
4907 | simplify it. */ | |
4908 | ||
4705144d NC |
4909 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4910 | ||
f31c6eed JD |
4911 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4912 | * argument to incpush_use_sep. This allows creation of relocatable | |
4913 | * Perl distributions that patch the binary at install time. Those | |
4914 | * distributions will have to provide their own relocation tools; this | |
4915 | * is not a feature otherwise supported by core Perl. | |
4916 | */ | |
4917 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4918 | if (!len) |
f31c6eed | 4919 | #endif |
50d61629 NC |
4920 | len = strlen(p); |
4921 | ||
4922 | end = p + len; | |
4923 | ||
55b4bc1c | 4924 | /* Break at all separators */ |
e42f52dd | 4925 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4926 | if (s == p) { |
4927 | /* skip any consecutive separators */ | |
55b4bc1c | 4928 | |
55b4bc1c | 4929 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4930 | /* But you'll need to write tests */ |
55b4bc1c | 4931 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4932 | } else { |
55b4bc1c | 4933 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4934 | } |
50d61629 | 4935 | p = s + 1; |
55b4bc1c | 4936 | } |
50d61629 NC |
4937 | if (p != end) |
4938 | incpush(p, (STRLEN)(end - p), flags); | |
4939 | ||
55b4bc1c | 4940 | } |
199100c8 | 4941 | |
93a17b20 | 4942 | void |
864dbfa3 | 4943 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4944 | { |
971a9dd3 | 4945 | SV *atsv; |
b084bc87 | 4946 | VOL const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4947 | CV *cv; |
22921e25 | 4948 | STRLEN len; |
6224f72b | 4949 | int ret; |
db36c5a1 | 4950 | dJMPENV; |
93a17b20 | 4951 | |
7918f24d NC |
4952 | PERL_ARGS_ASSERT_CALL_LIST; |
4953 | ||
b9f2b683 | 4954 | while (av_tindex(paramList) >= 0) { |
ea726b52 | 4955 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4956 | if (PL_savebegin) { |
4957 | if (paramList == PL_beginav) { | |
059a8bb7 | 4958 | /* save PL_beginav for compiler */ |
ad64d0ec | 4959 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4960 | } |
4961 | else if (paramList == PL_checkav) { | |
4962 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4963 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4964 | } |
3c10abe3 AG |
4965 | else if (paramList == PL_unitcheckav) { |
4966 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4967 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4968 | } |
059a8bb7 | 4969 | } else { |
b5bbe64a | 4970 | SAVEFREESV(cv); |
059a8bb7 | 4971 | } |
14dd3ad8 | 4972 | JMPENV_PUSH(ret); |
6224f72b | 4973 | switch (ret) { |
312caa8e | 4974 | case 0: |
d6f07c05 | 4975 | CALL_LIST_BODY(cv); |
971a9dd3 | 4976 | atsv = ERRSV; |
10516c54 | 4977 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4978 | if (len) { |
4979 | PL_curcop = &PL_compiling; | |
57843af0 | 4980 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4981 | if (paramList == PL_beginav) |
396482e1 | 4982 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4983 | else |
4f25aa18 GS |
4984 | Perl_sv_catpvf(aTHX_ atsv, |
4985 | "%s failed--call queue aborted", | |
7d30b5c4 | 4986 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4987 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4988 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4989 | : "END"); |
312caa8e CS |
4990 | while (PL_scopestack_ix > oldscope) |
4991 | LEAVE; | |
14dd3ad8 | 4992 | JMPENV_POP; |
be2597df | 4993 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4994 | } |
85e6fe83 | 4995 | break; |
6224f72b | 4996 | case 1: |
f86702cc | 4997 | STATUS_ALL_FAILURE; |
924ba076 | 4998 | /* FALLTHROUGH */ |
6224f72b | 4999 | case 2: |
85e6fe83 | 5000 | /* my_exit() was called */ |
3280af22 | 5001 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5002 | LEAVE; |
84902520 | 5003 | FREETMPS; |
03d9f026 | 5004 | SET_CURSTASH(PL_defstash); |
3280af22 | 5005 | PL_curcop = &PL_compiling; |
57843af0 | 5006 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5007 | JMPENV_POP; |
f86702cc | 5008 | my_exit_jump(); |
e5964223 | 5009 | NOT_REACHED; /* NOTREACHED */ |
6224f72b | 5010 | case 3: |
312caa8e CS |
5011 | if (PL_restartop) { |
5012 | PL_curcop = &PL_compiling; | |
57843af0 | 5013 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5014 | JMPENV_JUMP(3); |
85e6fe83 | 5015 | } |
5637ef5b | 5016 | PerlIO_printf(Perl_error_log, "panic: restartop in call_list\n"); |
312caa8e CS |
5017 | FREETMPS; |
5018 | break; | |
8990e307 | 5019 | } |
14dd3ad8 | 5020 | JMPENV_POP; |
93a17b20 | 5021 | } |
93a17b20 | 5022 | } |
93a17b20 | 5023 | |
f86702cc | 5024 | void |
864dbfa3 | 5025 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5026 | { |
6136213b JGM |
5027 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5028 | abort(); | |
5029 | } | |
5030 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5031 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5032 | Perl_warn(aTHX_ "Unexpected exit %lu", (unsigned long)status); |
6136213b JGM |
5033 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5034 | } | |
f86702cc | 5035 | switch (status) { |
5036 | case 0: | |
5037 | STATUS_ALL_SUCCESS; | |
5038 | break; | |
5039 | case 1: | |
5040 | STATUS_ALL_FAILURE; | |
5041 | break; | |
5042 | default: | |
6ac6a52b | 5043 | STATUS_EXIT_SET(status); |
f86702cc | 5044 | break; |
5045 | } | |
5046 | my_exit_jump(); | |
5047 | } | |
5048 | ||
5049 | void | |
864dbfa3 | 5050 | Perl_my_failure_exit(pTHX) |
f86702cc | 5051 | { |
5052 | #ifdef VMS | |
fb38d079 JM |
5053 | /* We have been called to fall on our sword. The desired exit code |
5054 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5055 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5056 | * that code is set. | |
fb38d079 JM |
5057 | * |
5058 | * If an error code has not been set, then force the issue. | |
5059 | */ | |
0968cdad JM |
5060 | if (MY_POSIX_EXIT) { |
5061 | ||
e08e1e1d JM |
5062 | /* According to the die_exit.t tests, if errno is non-zero */ |
5063 | /* It should be used for the error status. */ | |
0968cdad | 5064 | |
e08e1e1d JM |
5065 | if (errno == EVMSERR) { |
5066 | STATUS_NATIVE = vaxc$errno; | |
5067 | } else { | |
0968cdad | 5068 | |
e08e1e1d JM |
5069 | /* According to die_exit.t tests, if the child_exit code is */ |
5070 | /* also zero, then we need to exit with a code of 255 */ | |
5071 | if ((errno != 0) && (errno < 256)) | |
5072 | STATUS_UNIX_EXIT_SET(errno); | |
5073 | else if (STATUS_UNIX < 255) { | |
0968cdad | 5074 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
5075 | } |
5076 | ||
0968cdad | 5077 | } |
e08e1e1d JM |
5078 | |
5079 | /* The exit code could have been set by $? or vmsish which | |
5080 | * means that it may not have fatal set. So convert | |
5081 | * success/warning codes to fatal with out changing | |
5082 | * the POSIX status code. The severity makes VMS native | |
5083 | * status handling work, while UNIX mode programs use the | |
5084 | * the POSIX exit codes. | |
5085 | */ | |
5086 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
5087 | STATUS_NATIVE &= STS$M_COND_ID; | |
5088 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
5089 | } | |
0968cdad JM |
5090 | } |
5091 | else { | |
5092 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5093 | if (vaxc$errno & 1) { | |
5094 | ||
5095 | /* So force success status to failure */ | |
5096 | if (STATUS_NATIVE & 1) | |
5097 | STATUS_ALL_FAILURE; | |
5098 | } | |
5099 | else { | |
5100 | if (!vaxc$errno) { | |
5101 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5102 | STATUS_ALL_FAILURE; | |
5103 | } | |
5104 | else { | |
5105 | int severity; | |
5106 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5107 | ||
5108 | /* Encode the severity code */ | |
5109 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5110 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5111 | ||
5112 | /* Perl expects this to be a fatal error */ | |
5113 | if (severity != STS$K_SEVERE) | |
5114 | STATUS_ALL_FAILURE; | |
5115 | } | |
5116 | } | |
5117 | } | |
fb38d079 | 5118 | |
f86702cc | 5119 | #else |
9b599b2a | 5120 | int exitstatus; |
f86702cc | 5121 | if (errno & 255) |
e5218da5 | 5122 | STATUS_UNIX_SET(errno); |
9b599b2a | 5123 | else { |
e5218da5 | 5124 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5125 | if (exitstatus & 255) |
e5218da5 | 5126 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5127 | else |
e5218da5 | 5128 | STATUS_UNIX_SET(255); |
9b599b2a | 5129 | } |
f86702cc | 5130 | #endif |
6136213b JGM |
5131 | if (PL_exit_flags & PERL_EXIT_ABORT) { |
5132 | abort(); | |
5133 | } | |
5134 | if (PL_exit_flags & PERL_EXIT_WARN) { | |
5135 | PL_exit_flags |= PERL_EXIT_ABORT; /* Protect against reentrant calls */ | |
7b0eb0b8 | 5136 | Perl_warn(aTHX_ "Unexpected exit failure %ld", (long)PL_statusvalue); |
6136213b JGM |
5137 | PL_exit_flags &= ~PERL_EXIT_ABORT; |
5138 | } | |
f86702cc | 5139 | my_exit_jump(); |
93a17b20 LW |
5140 | } |
5141 | ||
76e3520e | 5142 | STATIC void |
cea2e8a9 | 5143 | S_my_exit_jump(pTHX) |
f86702cc | 5144 | { |
3280af22 NIS |
5145 | if (PL_e_script) { |
5146 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5147 | PL_e_script = NULL; |
f86702cc | 5148 | } |
5149 | ||
3280af22 | 5150 | POPSTACK_TO(PL_mainstack); |
3706fcea DM |
5151 | if (cxstack_ix >= 0) { |
5152 | dounwind(-1); | |
ed8ff0f3 | 5153 | cx_popblock(cxstack); |
3706fcea | 5154 | } |
f97a0ef2 | 5155 | LEAVE_SCOPE(0); |
ff0cee69 | 5156 | |
6224f72b | 5157 | JMPENV_JUMP(2); |
f86702cc | 5158 | } |
873ef191 | 5159 | |
0cb96387 | 5160 | static I32 |
acfe0abc | 5161 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5162 | { |
9d4ba2ae AL |
5163 | const char * const p = SvPVX_const(PL_e_script); |
5164 | const char *nl = strchr(p, '\n'); | |
5165 | ||
5166 | PERL_UNUSED_ARG(idx); | |
5167 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5168 | |
3280af22 | 5169 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5170 | if (nl-p == 0) { |
0cb96387 | 5171 | filter_del(read_e_script); |
873ef191 | 5172 | return 0; |
7dfe3f66 | 5173 | } |
873ef191 | 5174 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5175 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5176 | return 1; |
5177 | } | |
66610fdd | 5178 | |
db6e00bd DD |
5179 | /* removes boilerplate code at the end of each boot_Module xsub */ |
5180 | void | |
b01a1eea | 5181 | Perl_xs_boot_epilog(pTHX_ const I32 ax) |
db6e00bd DD |
5182 | { |
5183 | if (PL_unitcheckav) | |
5184 | call_list(PL_scopestack_ix, PL_unitcheckav); | |
5185 | XSRETURN_YES; | |
5186 | } | |
5187 | ||
66610fdd | 5188 | /* |
14d04a33 | 5189 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5190 | */ |