Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
3246d7a3 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others |
a687059c | 5 | * |
352d5a3a LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
a687059c | 8 | * |
8d063cd8 LW |
9 | */ |
10 | ||
a0d0e21e LW |
11 | /* |
12 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
13 | */ | |
45d8adaa | 14 | |
166f8a29 DM |
15 | /* This file contains the top-level functions that are used to create, use |
16 | * and destroy a perl interpreter, plus the functions used by XS code to | |
17 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 18 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
19 | */ |
20 | ||
ae3f3efd PS |
21 | /* PSz 12 Nov 03 |
22 | * | |
23 | * Be proud that perl(1) may proclaim: | |
24 | * Setuid Perl scripts are safer than C programs ... | |
25 | * Do not abandon (deprecate) suidperl. Do not advocate C wrappers. | |
26 | * | |
27 | * The flow was: perl starts, notices script is suid, execs suidperl with same | |
28 | * arguments; suidperl opens script, checks many things, sets itself with | |
29 | * right UID, execs perl with similar arguments but with script pre-opened on | |
30 | * /dev/fd/xxx; perl checks script is as should be and does work. This was | |
31 | * insecure: see perlsec(1) for many problems with this approach. | |
32 | * | |
33 | * The "correct" flow should be: perl starts, opens script and notices it is | |
34 | * suid, checks many things, execs suidperl with similar arguments but with | |
35 | * script on /dev/fd/xxx; suidperl checks script and /dev/fd/xxx object are | |
36 | * same, checks arguments match #! line, sets itself with right UID, execs | |
37 | * perl with same arguments; perl checks many things and does work. | |
38 | * | |
39 | * (Opening the script in perl instead of suidperl, we "lose" scripts that | |
40 | * are readable to the target UID but not to the invoker. Where did | |
41 | * unreadable scripts work anyway?) | |
42 | * | |
43 | * For now, suidperl and perl are pretty much the same large and cumbersome | |
44 | * program, so suidperl can check its argument list (see comments elsewhere). | |
45 | * | |
46 | * References: | |
47 | * Original bug report: | |
48 | * http://bugs.perl.org/index.html?req=bug_id&bug_id=20010322.218 | |
49 | * http://rt.perl.org/rt2/Ticket/Display.html?id=6511 | |
50 | * Comments and discussion with Debian: | |
51 | * http://bugs.debian.org/203426 | |
52 | * http://bugs.debian.org/220486 | |
53 | * Debian Security Advisory DSA 431-1 (does not fully fix problem): | |
54 | * http://www.debian.org/security/2004/dsa-431 | |
55 | * CVE candidate: | |
56 | * http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0618 | |
57 | * Previous versions of this patch sent to perl5-porters: | |
58 | * http://www.mail-archive.com/perl5-porters@perl.org/msg71953.html | |
59 | * http://www.mail-archive.com/perl5-porters@perl.org/msg75245.html | |
60 | * http://www.mail-archive.com/perl5-porters@perl.org/msg75563.html | |
61 | * http://www.mail-archive.com/perl5-porters@perl.org/msg75635.html | |
62 | * | |
63 | Paul Szabo - psz@maths.usyd.edu.au http://www.maths.usyd.edu.au:8000/u/psz/ | |
64 | School of Mathematics and Statistics University of Sydney 2006 Australia | |
65 | * | |
66 | */ | |
67 | /* PSz 13 Nov 03 | |
68 | * Use truthful, neat, specific error messages. | |
69 | * Cannot always hide the truth; security must not depend on doing so. | |
70 | */ | |
71 | ||
72 | /* PSz 18 Feb 04 | |
73 | * Use global(?), thread-local fdscript for easier checks. | |
74 | * (I do not understand how we could possibly get a thread race: | |
75 | * do not all threads go through the same initialization? Or in | |
76 | * fact, are not threads started only after we get the script and | |
77 | * so know what to do? Oh well, make things super-safe...) | |
78 | */ | |
79 | ||
378cc40b | 80 | #include "EXTERN.h" |
864dbfa3 | 81 | #define PERL_IN_PERL_C |
378cc40b | 82 | #include "perl.h" |
e3321bb0 | 83 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 84 | |
011f1a1a JH |
85 | #ifdef NETWARE |
86 | #include "nwutil.h" | |
87 | char *nw_get_sitelib(const char *pl); | |
88 | #endif | |
89 | ||
df5cef82 | 90 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
91 | #ifdef I_UNISTD |
92 | #include <unistd.h> | |
93 | #endif | |
a0d0e21e | 94 | |
2aa47728 NC |
95 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
96 | # ifdef I_SYS_WAIT | |
97 | # include <sys/wait.h> | |
98 | # endif | |
bf357333 NC |
99 | # ifdef I_SYSUIO |
100 | # include <sys/uio.h> | |
101 | # endif | |
102 | ||
103 | union control_un { | |
104 | struct cmsghdr cm; | |
105 | char control[CMSG_SPACE(sizeof(int))]; | |
106 | }; | |
107 | ||
2aa47728 NC |
108 | #endif |
109 | ||
5311654c JH |
110 | #ifdef __BEOS__ |
111 | # define HZ 1000000 | |
112 | #endif | |
113 | ||
114 | #ifndef HZ | |
115 | # ifdef CLK_TCK | |
116 | # define HZ CLK_TCK | |
117 | # else | |
118 | # define HZ 60 | |
119 | # endif | |
120 | #endif | |
121 | ||
7114a2d2 | 122 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 123 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 124 | #endif |
125 | ||
acfe0abc | 126 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 127 | |
a687059c LW |
128 | #ifdef IAMSUID |
129 | #ifndef DOSUID | |
130 | #define DOSUID | |
131 | #endif | |
ae3f3efd | 132 | #endif /* IAMSUID */ |
378cc40b | 133 | |
a687059c LW |
134 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
135 | #ifdef DOSUID | |
136 | #undef DOSUID | |
137 | #endif | |
138 | #endif | |
8d063cd8 | 139 | |
e6827a76 | 140 | static void |
daa7d858 | 141 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 142 | { |
27da23d5 | 143 | dVAR; |
e6827a76 NC |
144 | if (!PL_curinterp) { |
145 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 146 | #if defined(USE_ITHREADS) |
e6827a76 NC |
147 | INIT_THREADS; |
148 | ALLOC_THREAD_KEY; | |
149 | PERL_SET_THX(my_perl); | |
150 | OP_REFCNT_INIT; | |
151 | MUTEX_INIT(&PL_dollarzero_mutex); | |
06d86050 | 152 | # endif |
016af4f1 DM |
153 | #ifdef PERL_IMPLICIT_CONTEXT |
154 | MUTEX_INIT(&PL_my_ctx_mutex); | |
155 | # endif | |
e6827a76 NC |
156 | } |
157 | else { | |
158 | PERL_SET_THX(my_perl); | |
159 | } | |
160 | } | |
06d86050 | 161 | |
32e30700 GS |
162 | #ifdef PERL_IMPLICIT_SYS |
163 | PerlInterpreter * | |
7766f137 GS |
164 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
165 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
166 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
167 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
168 | struct IPerlProc* ipP) | |
169 | { | |
170 | PerlInterpreter *my_perl; | |
9f653bb5 | 171 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 172 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 173 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
174 | Zero(my_perl, 1, PerlInterpreter); |
175 | PL_Mem = ipM; | |
7766f137 GS |
176 | PL_MemShared = ipMS; |
177 | PL_MemParse = ipMP; | |
32e30700 GS |
178 | PL_Env = ipE; |
179 | PL_StdIO = ipStd; | |
180 | PL_LIO = ipLIO; | |
181 | PL_Dir = ipD; | |
182 | PL_Sock = ipS; | |
183 | PL_Proc = ipP; | |
7766f137 | 184 | |
32e30700 GS |
185 | return my_perl; |
186 | } | |
187 | #else | |
954c1994 GS |
188 | |
189 | /* | |
ccfc67b7 JH |
190 | =head1 Embedding Functions |
191 | ||
954c1994 GS |
192 | =for apidoc perl_alloc |
193 | ||
194 | Allocates a new Perl interpreter. See L<perlembed>. | |
195 | ||
196 | =cut | |
197 | */ | |
198 | ||
93a17b20 | 199 | PerlInterpreter * |
cea2e8a9 | 200 | perl_alloc(void) |
79072805 | 201 | { |
cea2e8a9 | 202 | PerlInterpreter *my_perl; |
79072805 | 203 | |
9f653bb5 | 204 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 205 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 206 | |
e6827a76 | 207 | S_init_tls_and_interp(my_perl); |
07409e01 | 208 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
79072805 | 209 | } |
32e30700 | 210 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 211 | |
954c1994 GS |
212 | /* |
213 | =for apidoc perl_construct | |
214 | ||
215 | Initializes a new Perl interpreter. See L<perlembed>. | |
216 | ||
217 | =cut | |
218 | */ | |
219 | ||
79072805 | 220 | void |
0cb96387 | 221 | perl_construct(pTHXx) |
79072805 | 222 | { |
27da23d5 | 223 | dVAR; |
9d4ba2ae | 224 | PERL_UNUSED_ARG(my_perl); |
8990e307 | 225 | #ifdef MULTIPLICITY |
54aff467 | 226 | init_interp(); |
ac27b0f5 | 227 | PL_perl_destruct_level = 1; |
54aff467 GS |
228 | #else |
229 | if (PL_perl_destruct_level > 0) | |
230 | init_interp(); | |
231 | #endif | |
33f46ff6 | 232 | /* Init the real globals (and main thread)? */ |
3280af22 | 233 | if (!PL_linestr) { |
2aea9f8a GS |
234 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
235 | ||
561b68a9 | 236 | PL_linestr = newSV(79); |
3280af22 | 237 | sv_upgrade(PL_linestr,SVt_PVIV); |
79072805 | 238 | |
3280af22 | 239 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
240 | /* set read-only and try to insure than we wont see REFCNT==0 |
241 | very often */ | |
242 | ||
3280af22 NIS |
243 | SvREADONLY_on(&PL_sv_undef); |
244 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 245 | |
3280af22 | 246 | sv_setpv(&PL_sv_no,PL_No); |
0309f36e NC |
247 | /* value lookup in void context - happens to have the side effect |
248 | of caching the numeric forms. */ | |
249 | SvIV(&PL_sv_no); | |
3280af22 NIS |
250 | SvNV(&PL_sv_no); |
251 | SvREADONLY_on(&PL_sv_no); | |
252 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 253 | |
3280af22 | 254 | sv_setpv(&PL_sv_yes,PL_Yes); |
0309f36e | 255 | SvIV(&PL_sv_yes); |
3280af22 NIS |
256 | SvNV(&PL_sv_yes); |
257 | SvREADONLY_on(&PL_sv_yes); | |
258 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
7996736c MHM |
259 | |
260 | SvREADONLY_on(&PL_sv_placeholder); | |
261 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
6e72f9df | 262 | } |
79072805 | 263 | |
8aad04aa | 264 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; |
ca0c25f6 | 265 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 266 | PL_pidstatus = newHV(); |
ca0c25f6 | 267 | #endif |
79072805 LW |
268 | } |
269 | ||
396482e1 | 270 | PL_rs = newSVpvs("\n"); |
dc92893f | 271 | |
cea2e8a9 | 272 | init_stacks(); |
79072805 | 273 | |
748a9306 | 274 | init_ids(); |
3280af22 | 275 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 276 | |
312caa8e | 277 | JMPENV_BOOTSTRAP; |
f86702cc | 278 | STATUS_ALL_SUCCESS; |
279 | ||
0672f40e | 280 | init_i18nl10n(1); |
36477c24 | 281 | SET_NUMERIC_STANDARD(); |
0b5b802d | 282 | |
ab821d7f | 283 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 284 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 285 | #endif |
286 | ||
52853b95 GS |
287 | #ifdef HAVE_INTERP_INTERN |
288 | sys_intern_init(); | |
289 | #endif | |
290 | ||
3a1ee7e8 | 291 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 292 | |
3280af22 NIS |
293 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
294 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 295 | PL_errors = newSVpvs(""); |
48c6b404 | 296 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
297 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
298 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 299 | #ifdef USE_ITHREADS |
13137afc AB |
300 | PL_regex_padav = newAV(); |
301 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
302 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 303 | #endif |
e5dd39fc | 304 | #ifdef USE_REENTRANT_API |
59bd0823 | 305 | Perl_reentrant_init(aTHX); |
e5dd39fc | 306 | #endif |
3d47000e AB |
307 | |
308 | /* Note that strtab is a rather special HV. Assumptions are made | |
309 | about not iterating on it, and not adding tie magic to it. | |
310 | It is properly deallocated in perl_destruct() */ | |
311 | PL_strtab = newHV(); | |
312 | ||
3d47000e AB |
313 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
314 | hv_ksplit(PL_strtab, 512); | |
315 | ||
0631ea03 AB |
316 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
317 | _dyld_lookup_and_bind | |
318 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
319 | #endif /* environ */ | |
320 | ||
2f42fcb0 JH |
321 | #ifndef PERL_MICRO |
322 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 323 | PL_origenviron = environ; |
2f42fcb0 | 324 | # endif |
0631ea03 AB |
325 | #endif |
326 | ||
5311654c | 327 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 328 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
329 | * BeOS has those, but returns the wrong value. |
330 | * The HZ if not originally defined has been by now | |
331 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 332 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
333 | PL_clocktick = sysconf(_SC_CLK_TCK); |
334 | if (PL_clocktick <= 0) | |
335 | #endif | |
336 | PL_clocktick = HZ; | |
337 | ||
081fc587 AB |
338 | PL_stashcache = newHV(); |
339 | ||
e6830b13 NC |
340 | PL_patchlevel = Perl_newSVpvf(aTHX_ "%d.%d.%d", (int)PERL_REVISION, |
341 | (int)PERL_VERSION, (int)PERL_SUBVERSION); | |
d7aa5382 | 342 | |
27da23d5 JH |
343 | #ifdef HAS_MMAP |
344 | if (!PL_mmap_page_size) { | |
345 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
346 | { | |
347 | SETERRNO(0, SS_NORMAL); | |
348 | # ifdef _SC_PAGESIZE | |
349 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
350 | # else | |
351 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
352 | # endif | |
353 | if ((long) PL_mmap_page_size < 0) { | |
354 | if (errno) { | |
44f8325f | 355 | SV * const error = ERRSV; |
27da23d5 | 356 | (void) SvUPGRADE(error, SVt_PV); |
0510663f | 357 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
358 | } |
359 | else | |
360 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
361 | } | |
362 | } | |
363 | #else | |
364 | # ifdef HAS_GETPAGESIZE | |
365 | PL_mmap_page_size = getpagesize(); | |
366 | # else | |
367 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
368 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
369 | # endif | |
370 | # endif | |
371 | #endif | |
372 | if (PL_mmap_page_size <= 0) | |
373 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
374 | (IV) PL_mmap_page_size); | |
375 | } | |
376 | #endif /* HAS_MMAP */ | |
377 | ||
378 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
379 | PL_timesbase.tms_utime = 0; | |
380 | PL_timesbase.tms_stime = 0; | |
381 | PL_timesbase.tms_cutime = 0; | |
382 | PL_timesbase.tms_cstime = 0; | |
383 | #endif | |
384 | ||
8990e307 | 385 | ENTER; |
79072805 LW |
386 | } |
387 | ||
954c1994 | 388 | /* |
62375a60 NIS |
389 | =for apidoc nothreadhook |
390 | ||
391 | Stub that provides thread hook for perl_destruct when there are | |
392 | no threads. | |
393 | ||
394 | =cut | |
395 | */ | |
396 | ||
397 | int | |
4e9e3734 | 398 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
399 | { |
400 | return 0; | |
401 | } | |
402 | ||
41e4abd8 NC |
403 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
404 | void | |
405 | Perl_dump_sv_child(pTHX_ SV *sv) | |
406 | { | |
407 | ssize_t got; | |
bf357333 NC |
408 | const int sock = PL_dumper_fd; |
409 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
410 | union control_un control; |
411 | struct msghdr msg; | |
808ad2d0 | 412 | struct iovec vec[2]; |
bf357333 | 413 | struct cmsghdr *cmptr; |
808ad2d0 NC |
414 | int returned_errno; |
415 | unsigned char buffer[256]; | |
41e4abd8 | 416 | |
bf357333 | 417 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
418 | return; |
419 | ||
420 | PerlIO_flush(Perl_debug_log); | |
421 | ||
bf357333 NC |
422 | /* All these shenanigans are to pass a file descriptor over to our child for |
423 | it to dump out to. We can't let it hold open the file descriptor when it | |
424 | forks, as the file descriptor it will dump to can turn out to be one end | |
425 | of pipe that some other process will wait on for EOF. (So as it would | |
426 | be open, the wait would be forever. */ | |
427 | ||
428 | msg.msg_control = control.control; | |
429 | msg.msg_controllen = sizeof(control.control); | |
430 | /* We're a connected socket so we don't need a destination */ | |
431 | msg.msg_name = NULL; | |
432 | msg.msg_namelen = 0; | |
433 | msg.msg_iov = vec; | |
808ad2d0 | 434 | msg.msg_iovlen = 1; |
bf357333 NC |
435 | |
436 | cmptr = CMSG_FIRSTHDR(&msg); | |
437 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
438 | cmptr->cmsg_level = SOL_SOCKET; | |
439 | cmptr->cmsg_type = SCM_RIGHTS; | |
440 | *((int *)CMSG_DATA(cmptr)) = 1; | |
441 | ||
442 | vec[0].iov_base = (void*)&sv; | |
443 | vec[0].iov_len = sizeof(sv); | |
444 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
445 | |
446 | if(got < 0) { | |
bf357333 | 447 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
448 | abort(); |
449 | } | |
bf357333 NC |
450 | if(got < sizeof(sv)) { |
451 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
452 | abort(); |
453 | } | |
454 | ||
808ad2d0 NC |
455 | /* Return protocol is |
456 | int: errno value | |
457 | unsigned char: length of location string (0 for empty) | |
458 | unsigned char*: string (not terminated) | |
459 | */ | |
460 | vec[0].iov_base = (void*)&returned_errno; | |
461 | vec[0].iov_len = sizeof(returned_errno); | |
462 | vec[1].iov_base = buffer; | |
463 | vec[1].iov_len = 1; | |
464 | ||
465 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
466 | |
467 | if(got < 0) { | |
468 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 469 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
470 | abort(); |
471 | } | |
808ad2d0 | 472 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 473 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 474 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
475 | abort(); |
476 | } | |
477 | ||
808ad2d0 NC |
478 | if (*buffer) { |
479 | got = read(sock, buffer + 1, *buffer); | |
480 | if(got < 0) { | |
481 | perror("Debug leaking scalars parent read 2 failed"); | |
482 | PerlIO_flush(PerlIO_stderr()); | |
483 | abort(); | |
484 | } | |
485 | ||
486 | if(got < *buffer) { | |
487 | perror("Debug leaking scalars parent short read 2"); | |
488 | PerlIO_flush(PerlIO_stderr()); | |
489 | abort(); | |
490 | } | |
491 | } | |
492 | ||
493 | if (returned_errno || *buffer) { | |
494 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
495 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
496 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
497 | } |
498 | } | |
499 | #endif | |
500 | ||
62375a60 | 501 | /* |
954c1994 GS |
502 | =for apidoc perl_destruct |
503 | ||
504 | Shuts down a Perl interpreter. See L<perlembed>. | |
505 | ||
506 | =cut | |
507 | */ | |
508 | ||
31d77e54 | 509 | int |
0cb96387 | 510 | perl_destruct(pTHXx) |
79072805 | 511 | { |
27da23d5 | 512 | dVAR; |
7c474504 | 513 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 514 | HV *hv; |
2aa47728 | 515 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
516 | pid_t child; |
517 | #endif | |
8990e307 | 518 | |
9d4ba2ae AL |
519 | PERL_UNUSED_ARG(my_perl); |
520 | ||
7766f137 GS |
521 | /* wait for all pseudo-forked children to finish */ |
522 | PERL_WAIT_FOR_CHILDREN; | |
523 | ||
3280af22 | 524 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
525 | #ifdef DEBUGGING |
526 | { | |
9d4ba2ae AL |
527 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
528 | if (s) { | |
e1ec3a88 | 529 | const int i = atoi(s); |
5f05dabc | 530 | if (destruct_level < i) |
531 | destruct_level = i; | |
532 | } | |
4633a7c4 LW |
533 | } |
534 | #endif | |
535 | ||
27da23d5 | 536 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
537 | dJMPENV; |
538 | int x = 0; | |
539 | ||
540 | JMPENV_PUSH(x); | |
1b6737cc | 541 | PERL_UNUSED_VAR(x); |
f3faeb53 AB |
542 | if (PL_endav && !PL_minus_c) |
543 | call_list(PL_scopestack_ix, PL_endav); | |
544 | JMPENV_POP; | |
26f423df | 545 | } |
f3faeb53 | 546 | LEAVE; |
a0d0e21e LW |
547 | FREETMPS; |
548 | ||
e00b64d4 | 549 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 550 | my_fflush_all(); |
e00b64d4 | 551 | |
62375a60 NIS |
552 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
553 | /* Threads hook has vetoed further cleanup */ | |
37038d91 | 554 | return STATUS_EXIT; |
62375a60 NIS |
555 | } |
556 | ||
2aa47728 NC |
557 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
558 | if (destruct_level != 0) { | |
559 | /* Fork here to create a child. Our child's job is to preserve the | |
560 | state of scalars prior to destruction, so that we can instruct it | |
561 | to dump any scalars that we later find have leaked. | |
562 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
563 | fail gracefully */ | |
564 | int fd[2]; | |
565 | ||
566 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
567 | perror("Debug leaking scalars socketpair failed"); | |
568 | abort(); | |
569 | } | |
570 | ||
571 | child = fork(); | |
572 | if(child == -1) { | |
573 | perror("Debug leaking scalars fork failed"); | |
574 | abort(); | |
575 | } | |
576 | if (!child) { | |
577 | /* We are the child */ | |
3125a5a4 NC |
578 | const int sock = fd[1]; |
579 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
580 | int f; | |
808ad2d0 NC |
581 | const char *where; |
582 | /* Our success message is an integer 0, and a char 0 */ | |
583 | static const char success[sizeof(int) + 1]; | |
3125a5a4 | 584 | |
2aa47728 | 585 | close(fd[0]); |
2aa47728 | 586 | |
3125a5a4 NC |
587 | /* We need to close all other file descriptors otherwise we end up |
588 | with interesting hangs, where the parent closes its end of a | |
589 | pipe, and sits waiting for (another) child to terminate. Only | |
590 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
591 | we also have the far end of the pipe open. We even need to |
592 | close the debugging fd, because sometimes it happens to be one | |
593 | end of a pipe, and a process is waiting on the other end for | |
594 | EOF. Normally it would be closed at some point earlier in | |
595 | destruction, but if we happen to cause the pipe to remain open, | |
596 | EOF never occurs, and we get an infinite hang. Hence all the | |
597 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
598 | |
599 | f = sysconf(_SC_OPEN_MAX); | |
600 | if(f < 0) { | |
808ad2d0 NC |
601 | where = "sysconf failed"; |
602 | goto abort; | |
3125a5a4 NC |
603 | } |
604 | while (f--) { | |
605 | if (f == sock) | |
606 | continue; | |
3125a5a4 NC |
607 | close(f); |
608 | } | |
609 | ||
2aa47728 NC |
610 | while (1) { |
611 | SV *target; | |
bf357333 NC |
612 | union control_un control; |
613 | struct msghdr msg; | |
614 | struct iovec vec[1]; | |
615 | struct cmsghdr *cmptr; | |
616 | ssize_t got; | |
617 | int got_fd; | |
618 | ||
619 | msg.msg_control = control.control; | |
620 | msg.msg_controllen = sizeof(control.control); | |
621 | /* We're a connected socket so we don't need a source */ | |
622 | msg.msg_name = NULL; | |
623 | msg.msg_namelen = 0; | |
624 | msg.msg_iov = vec; | |
625 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
626 | ||
627 | vec[0].iov_base = (void*)⌖ | |
628 | vec[0].iov_len = sizeof(target); | |
629 | ||
630 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
631 | |
632 | if(got == 0) | |
633 | break; | |
634 | if(got < 0) { | |
808ad2d0 NC |
635 | where = "recv failed"; |
636 | goto abort; | |
2aa47728 NC |
637 | } |
638 | if(got < sizeof(target)) { | |
808ad2d0 NC |
639 | where = "short recv"; |
640 | goto abort; | |
2aa47728 | 641 | } |
bf357333 | 642 | |
808ad2d0 NC |
643 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
644 | where = "no cmsg"; | |
645 | goto abort; | |
646 | } | |
647 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
648 | where = "wrong cmsg_len"; | |
649 | goto abort; | |
650 | } | |
651 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
652 | where = "wrong cmsg_level"; | |
653 | goto abort; | |
654 | } | |
655 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
656 | where = "wrong cmsg_type"; | |
657 | goto abort; | |
658 | } | |
bf357333 NC |
659 | |
660 | got_fd = *(int*)CMSG_DATA(cmptr); | |
661 | /* For our last little bit of trickery, put the file descriptor | |
662 | back into Perl_debug_log, as if we never actually closed it | |
663 | */ | |
808ad2d0 NC |
664 | if(got_fd != debug_fd) { |
665 | if (dup2(got_fd, debug_fd) == -1) { | |
666 | where = "dup2"; | |
667 | goto abort; | |
668 | } | |
669 | } | |
2aa47728 | 670 | sv_dump(target); |
bf357333 | 671 | |
2aa47728 NC |
672 | PerlIO_flush(Perl_debug_log); |
673 | ||
808ad2d0 | 674 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
675 | |
676 | if(got < 0) { | |
808ad2d0 NC |
677 | where = "write failed"; |
678 | goto abort; | |
2aa47728 | 679 | } |
808ad2d0 NC |
680 | if(got < sizeof(success)) { |
681 | where = "short write"; | |
682 | goto abort; | |
2aa47728 NC |
683 | } |
684 | } | |
685 | _exit(0); | |
808ad2d0 NC |
686 | abort: |
687 | { | |
688 | int send_errno = errno; | |
689 | unsigned char length = (unsigned char) strlen(where); | |
690 | struct iovec failure[3] = { | |
691 | {(void*)&send_errno, sizeof(send_errno)}, | |
692 | {&length, 1}, | |
693 | {(void*)where, length} | |
694 | }; | |
695 | int got = writev(sock, failure, 3); | |
696 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
697 | in the parent if we try to read from the socketpair after the | |
698 | child has exited, even if there was data to read. | |
699 | So sleep a bit to give the parent a fighting chance of | |
700 | reading the data. */ | |
701 | sleep(2); | |
702 | _exit((got == -1) ? errno : 0); | |
703 | } | |
bf357333 | 704 | /* End of child. */ |
2aa47728 | 705 | } |
41e4abd8 | 706 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
707 | close(fd[1]); |
708 | } | |
709 | #endif | |
710 | ||
ff0cee69 | 711 | /* We must account for everything. */ |
712 | ||
713 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
714 | /* Do this now, because destroying ops can cause new SVs to be generated |
715 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
716 | PL_curcop to point to a valid op from which the filename structure | |
717 | member is copied. */ | |
718 | PL_curcop = &PL_compiling; | |
3280af22 | 719 | if (PL_main_root) { |
4e380990 DM |
720 | /* ensure comppad/curpad to refer to main's pad */ |
721 | if (CvPADLIST(PL_main_cv)) { | |
722 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
723 | } | |
3280af22 NIS |
724 | op_free(PL_main_root); |
725 | PL_main_root = Nullop; | |
a0d0e21e | 726 | } |
3280af22 NIS |
727 | PL_main_start = Nullop; |
728 | SvREFCNT_dec(PL_main_cv); | |
729 | PL_main_cv = Nullcv; | |
24d3c518 | 730 | PL_dirty = TRUE; |
ff0cee69 | 731 | |
13621cfb NIS |
732 | /* Tell PerlIO we are about to tear things apart in case |
733 | we have layers which are using resources that should | |
734 | be cleaned up now. | |
735 | */ | |
736 | ||
737 | PerlIO_destruct(aTHX); | |
738 | ||
3280af22 | 739 | if (PL_sv_objcount) { |
a0d0e21e LW |
740 | /* |
741 | * Try to destruct global references. We do this first so that the | |
742 | * destructors and destructees still exist. Some sv's might remain. | |
743 | * Non-referenced objects are on their own. | |
744 | */ | |
a0d0e21e | 745 | sv_clean_objs(); |
bf9cdc68 | 746 | PL_sv_objcount = 0; |
a0de6cf5 DM |
747 | if (PL_defoutgv && !SvREFCNT(PL_defoutgv)) |
748 | PL_defoutgv = Nullgv; /* may have been freed */ | |
8990e307 LW |
749 | } |
750 | ||
5cd24f17 | 751 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
752 | SvREFCNT_dec(PL_warnhook); |
753 | PL_warnhook = Nullsv; | |
754 | SvREFCNT_dec(PL_diehook); | |
755 | PL_diehook = Nullsv; | |
5cd24f17 | 756 | |
4b556e6c | 757 | /* call exit list functions */ |
3280af22 | 758 | while (PL_exitlistlen-- > 0) |
acfe0abc | 759 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 760 | |
3280af22 | 761 | Safefree(PL_exitlist); |
4b556e6c | 762 | |
1c4916e5 CB |
763 | PL_exitlist = NULL; |
764 | PL_exitlistlen = 0; | |
765 | ||
a0d0e21e | 766 | if (destruct_level == 0){ |
8990e307 | 767 | |
a0d0e21e | 768 | DEBUG_P(debprofdump()); |
ac27b0f5 | 769 | |
56a2bab7 NIS |
770 | #if defined(PERLIO_LAYERS) |
771 | /* No more IO - including error messages ! */ | |
772 | PerlIO_cleanup(aTHX); | |
773 | #endif | |
774 | ||
a0d0e21e | 775 | /* The exit() function will do everything that needs doing. */ |
37038d91 | 776 | return STATUS_EXIT; |
a0d0e21e | 777 | } |
5dd60ef7 | 778 | |
551a8b83 | 779 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
780 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
781 | * so we certainly shouldn't free it here | |
782 | */ | |
2f42fcb0 | 783 | #ifndef PERL_MICRO |
4b647fb0 | 784 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 785 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
786 | #ifdef USE_ITHREADS |
787 | /* only main thread can free environ[0] contents */ | |
788 | && PL_curinterp == aTHX | |
789 | #endif | |
790 | ) | |
791 | { | |
551a8b83 JH |
792 | I32 i; |
793 | ||
794 | for (i = 0; environ[i]; i++) | |
4b420006 | 795 | safesysfree(environ[i]); |
0631ea03 | 796 | |
4b420006 JH |
797 | /* Must use safesysfree() when working with environ. */ |
798 | safesysfree(environ); | |
551a8b83 JH |
799 | |
800 | environ = PL_origenviron; | |
801 | } | |
802 | #endif | |
2f42fcb0 | 803 | #endif /* !PERL_MICRO */ |
551a8b83 | 804 | |
804ffa60 DM |
805 | /* reset so print() ends up where we expect */ |
806 | setdefout(Nullgv); | |
807 | ||
5f8cb046 DM |
808 | #ifdef USE_ITHREADS |
809 | /* the syntax tree is shared between clones | |
810 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
811 | * REGEXPs in the parent interpreter | |
812 | * we need to manually ReREFCNT_dec for the clones | |
813 | */ | |
814 | { | |
815 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
c4420975 | 816 | SV * const * const ary = AvARRAY(PL_regex_padav); |
5f8cb046 DM |
817 | |
818 | while (i) { | |
c4420975 | 819 | SV * const resv = ary[--i]; |
35061a7e DM |
820 | |
821 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 822 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
823 | * flag is set in regexec.c:S_regtry |
824 | */ | |
825 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 826 | } |
1cc8b4c5 AB |
827 | else if(SvREPADTMP(resv)) { |
828 | SvREPADTMP_off(resv); | |
829 | } | |
a560f29b NC |
830 | else if(SvIOKp(resv)) { |
831 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); | |
5f8cb046 DM |
832 | ReREFCNT_dec(re); |
833 | } | |
834 | } | |
835 | } | |
836 | SvREFCNT_dec(PL_regex_padav); | |
7d49f689 | 837 | PL_regex_padav = NULL; |
5f8cb046 DM |
838 | PL_regex_pad = NULL; |
839 | #endif | |
840 | ||
081fc587 AB |
841 | SvREFCNT_dec((SV*) PL_stashcache); |
842 | PL_stashcache = NULL; | |
843 | ||
5f05dabc | 844 | /* loosen bonds of global variables */ |
845 | ||
3280af22 NIS |
846 | if(PL_rsfp) { |
847 | (void)PerlIO_close(PL_rsfp); | |
848 | PL_rsfp = Nullfp; | |
8ebc5c01 | 849 | } |
850 | ||
851 | /* Filters for program text */ | |
3280af22 | 852 | SvREFCNT_dec(PL_rsfp_filters); |
7d49f689 | 853 | PL_rsfp_filters = NULL; |
8ebc5c01 | 854 | |
855 | /* switches */ | |
3280af22 NIS |
856 | PL_preprocess = FALSE; |
857 | PL_minus_n = FALSE; | |
858 | PL_minus_p = FALSE; | |
859 | PL_minus_l = FALSE; | |
860 | PL_minus_a = FALSE; | |
861 | PL_minus_F = FALSE; | |
862 | PL_doswitches = FALSE; | |
599cee73 | 863 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
864 | PL_doextract = FALSE; |
865 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
866 | PL_unsafe = FALSE; |
867 | ||
868 | Safefree(PL_inplace); | |
869 | PL_inplace = Nullch; | |
a7cb1f99 | 870 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
871 | |
872 | if (PL_e_script) { | |
873 | SvREFCNT_dec(PL_e_script); | |
874 | PL_e_script = Nullsv; | |
8ebc5c01 | 875 | } |
876 | ||
bf9cdc68 RG |
877 | PL_perldb = 0; |
878 | ||
8ebc5c01 | 879 | /* magical thingies */ |
880 | ||
7889fe52 NIS |
881 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
882 | PL_ofs_sv = Nullsv; | |
5f05dabc | 883 | |
7889fe52 NIS |
884 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
885 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 886 | |
3280af22 NIS |
887 | SvREFCNT_dec(PL_rs); /* $/ */ |
888 | PL_rs = Nullsv; | |
dc92893f | 889 | |
d33b2eba GS |
890 | PL_multiline = 0; /* $* */ |
891 | Safefree(PL_osname); /* $^O */ | |
892 | PL_osname = Nullch; | |
5f05dabc | 893 | |
3280af22 NIS |
894 | SvREFCNT_dec(PL_statname); |
895 | PL_statname = Nullsv; | |
896 | PL_statgv = Nullgv; | |
5f05dabc | 897 | |
8ebc5c01 | 898 | /* defgv, aka *_ should be taken care of elsewhere */ |
899 | ||
8ebc5c01 | 900 | /* clean up after study() */ |
3280af22 NIS |
901 | SvREFCNT_dec(PL_lastscream); |
902 | PL_lastscream = Nullsv; | |
903 | Safefree(PL_screamfirst); | |
904 | PL_screamfirst = 0; | |
905 | Safefree(PL_screamnext); | |
906 | PL_screamnext = 0; | |
8ebc5c01 | 907 | |
7d5ea4e7 GS |
908 | /* float buffer */ |
909 | Safefree(PL_efloatbuf); | |
910 | PL_efloatbuf = Nullch; | |
911 | PL_efloatsize = 0; | |
912 | ||
8ebc5c01 | 913 | /* startup and shutdown function lists */ |
3280af22 | 914 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 915 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 916 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 917 | SvREFCNT_dec(PL_checkav); |
ece599bd | 918 | SvREFCNT_dec(PL_checkav_save); |
3280af22 | 919 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
920 | PL_beginav = NULL; |
921 | PL_beginav_save = NULL; | |
922 | PL_endav = NULL; | |
923 | PL_checkav = NULL; | |
924 | PL_checkav_save = NULL; | |
925 | PL_initav = NULL; | |
5618dfe8 | 926 | |
8ebc5c01 | 927 | /* shortcuts just get cleared */ |
3280af22 | 928 | PL_envgv = Nullgv; |
3280af22 NIS |
929 | PL_incgv = Nullgv; |
930 | PL_hintgv = Nullgv; | |
931 | PL_errgv = Nullgv; | |
932 | PL_argvgv = Nullgv; | |
933 | PL_argvoutgv = Nullgv; | |
934 | PL_stdingv = Nullgv; | |
bf49b057 | 935 | PL_stderrgv = Nullgv; |
3280af22 NIS |
936 | PL_last_in_gv = Nullgv; |
937 | PL_replgv = Nullgv; | |
bf9cdc68 RG |
938 | PL_DBgv = Nullgv; |
939 | PL_DBline = Nullgv; | |
940 | PL_DBsub = Nullgv; | |
941 | PL_DBsingle = Nullsv; | |
942 | PL_DBtrace = Nullsv; | |
943 | PL_DBsignal = Nullsv; | |
944 | PL_DBassertion = Nullsv; | |
945 | PL_DBcv = Nullcv; | |
7d49f689 | 946 | PL_dbargs = NULL; |
5c284bb0 | 947 | PL_debstash = NULL; |
8ebc5c01 | 948 | |
7a1c5554 | 949 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 950 | PL_argvout_stack = NULL; |
8ebc5c01 | 951 | |
5c831c24 | 952 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 953 | PL_modglobal = NULL; |
5c831c24 | 954 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 955 | PL_preambleav = NULL; |
5c831c24 GS |
956 | SvREFCNT_dec(PL_subname); |
957 | PL_subname = Nullsv; | |
958 | SvREFCNT_dec(PL_linestr); | |
959 | PL_linestr = Nullsv; | |
ca0c25f6 | 960 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 961 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 962 | PL_pidstatus = NULL; |
ca0c25f6 | 963 | #endif |
5c831c24 GS |
964 | SvREFCNT_dec(PL_toptarget); |
965 | PL_toptarget = Nullsv; | |
966 | SvREFCNT_dec(PL_bodytarget); | |
967 | PL_bodytarget = Nullsv; | |
968 | PL_formtarget = Nullsv; | |
969 | ||
d33b2eba | 970 | /* free locale stuff */ |
b9582b6a | 971 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
972 | Safefree(PL_collation_name); |
973 | PL_collation_name = Nullch; | |
b9582b6a | 974 | #endif |
d33b2eba | 975 | |
b9582b6a | 976 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
977 | Safefree(PL_numeric_name); |
978 | PL_numeric_name = Nullch; | |
a453c169 | 979 | SvREFCNT_dec(PL_numeric_radix_sv); |
bf9cdc68 | 980 | PL_numeric_radix_sv = Nullsv; |
b9582b6a | 981 | #endif |
d33b2eba | 982 | |
5c831c24 GS |
983 | /* clear utf8 character classes */ |
984 | SvREFCNT_dec(PL_utf8_alnum); | |
985 | SvREFCNT_dec(PL_utf8_alnumc); | |
986 | SvREFCNT_dec(PL_utf8_ascii); | |
987 | SvREFCNT_dec(PL_utf8_alpha); | |
988 | SvREFCNT_dec(PL_utf8_space); | |
989 | SvREFCNT_dec(PL_utf8_cntrl); | |
990 | SvREFCNT_dec(PL_utf8_graph); | |
991 | SvREFCNT_dec(PL_utf8_digit); | |
992 | SvREFCNT_dec(PL_utf8_upper); | |
993 | SvREFCNT_dec(PL_utf8_lower); | |
994 | SvREFCNT_dec(PL_utf8_print); | |
995 | SvREFCNT_dec(PL_utf8_punct); | |
996 | SvREFCNT_dec(PL_utf8_xdigit); | |
997 | SvREFCNT_dec(PL_utf8_mark); | |
998 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 999 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1000 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1001 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1002 | SvREFCNT_dec(PL_utf8_idstart); |
1003 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
1004 | PL_utf8_alnum = Nullsv; |
1005 | PL_utf8_alnumc = Nullsv; | |
1006 | PL_utf8_ascii = Nullsv; | |
1007 | PL_utf8_alpha = Nullsv; | |
1008 | PL_utf8_space = Nullsv; | |
1009 | PL_utf8_cntrl = Nullsv; | |
1010 | PL_utf8_graph = Nullsv; | |
1011 | PL_utf8_digit = Nullsv; | |
1012 | PL_utf8_upper = Nullsv; | |
1013 | PL_utf8_lower = Nullsv; | |
1014 | PL_utf8_print = Nullsv; | |
1015 | PL_utf8_punct = Nullsv; | |
1016 | PL_utf8_xdigit = Nullsv; | |
1017 | PL_utf8_mark = Nullsv; | |
1018 | PL_utf8_toupper = Nullsv; | |
1019 | PL_utf8_totitle = Nullsv; | |
1020 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 1021 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
1022 | PL_utf8_idstart = Nullsv; |
1023 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 1024 | |
971a9dd3 GS |
1025 | if (!specialWARN(PL_compiling.cop_warnings)) |
1026 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 1027 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
1028 | if (!specialCopIO(PL_compiling.cop_io)) |
1029 | SvREFCNT_dec(PL_compiling.cop_io); | |
1030 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
1031 | CopFILE_free(&PL_compiling); |
1032 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1033 | |
a0d0e21e | 1034 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1035 | |
3280af22 NIS |
1036 | hv = PL_defstash; |
1037 | PL_defstash = 0; | |
a0d0e21e | 1038 | SvREFCNT_dec(hv); |
5c831c24 GS |
1039 | SvREFCNT_dec(PL_curstname); |
1040 | PL_curstname = Nullsv; | |
a0d0e21e | 1041 | |
5a844595 GS |
1042 | /* clear queued errors */ |
1043 | SvREFCNT_dec(PL_errors); | |
1044 | PL_errors = Nullsv; | |
1045 | ||
a0d0e21e | 1046 | FREETMPS; |
0453d815 | 1047 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 1048 | if (PL_scopestack_ix != 0) |
9014280d | 1049 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1050 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
1051 | (long)PL_scopestack_ix); |
1052 | if (PL_savestack_ix != 0) | |
9014280d | 1053 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1054 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
1055 | (long)PL_savestack_ix); |
1056 | if (PL_tmps_floor != -1) | |
9014280d | 1057 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 1058 | (long)PL_tmps_floor + 1); |
a0d0e21e | 1059 | if (cxstack_ix != -1) |
9014280d | 1060 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 1061 | (long)cxstack_ix + 1); |
a0d0e21e | 1062 | } |
8990e307 LW |
1063 | |
1064 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 1065 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 1066 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
1067 | |
1068 | /* the 2 is for PL_fdpid and PL_strtab */ | |
1069 | while (PL_sv_count > 2 && sv_clean_all()) | |
1070 | ; | |
1071 | ||
d33b2eba GS |
1072 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
1073 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
1074 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
1075 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 1076 | |
d4777f27 GS |
1077 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1078 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1079 | PL_fdpid = NULL; |
d33b2eba | 1080 | |
6c644e78 GS |
1081 | #ifdef HAVE_INTERP_INTERN |
1082 | sys_intern_clear(); | |
1083 | #endif | |
1084 | ||
6e72f9df | 1085 | /* Destruct the global string table. */ |
1086 | { | |
1087 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1088 | * so that sv_free() won't fail on them. | |
80459961 NC |
1089 | * Now that the global string table is using a single hunk of memory |
1090 | * for both HE and HEK, we either need to explicitly unshare it the | |
1091 | * correct way, or actually free things here. | |
6e72f9df | 1092 | */ |
80459961 NC |
1093 | I32 riter = 0; |
1094 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1095 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1096 | HE *hent = array[0]; |
1097 | ||
6e72f9df | 1098 | for (;;) { |
0453d815 | 1099 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1100 | HE * const next = HeNEXT(hent); |
9014280d | 1101 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1102 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1103 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1104 | Safefree(hent); |
1105 | hent = next; | |
6e72f9df | 1106 | } |
1107 | if (!hent) { | |
1108 | if (++riter > max) | |
1109 | break; | |
1110 | hent = array[riter]; | |
1111 | } | |
1112 | } | |
80459961 NC |
1113 | |
1114 | Safefree(array); | |
1115 | HvARRAY(PL_strtab) = 0; | |
1116 | HvTOTALKEYS(PL_strtab) = 0; | |
1117 | HvFILL(PL_strtab) = 0; | |
6e72f9df | 1118 | } |
3280af22 | 1119 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1120 | |
e652bb2f | 1121 | #ifdef USE_ITHREADS |
c21d1a0f | 1122 | /* free the pointer tables used for cloning */ |
a0739874 | 1123 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1124 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1125 | #endif |
a0739874 | 1126 | |
d33b2eba GS |
1127 | /* free special SVs */ |
1128 | ||
1129 | SvREFCNT(&PL_sv_yes) = 0; | |
1130 | sv_clear(&PL_sv_yes); | |
1131 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1132 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1133 | |
1134 | SvREFCNT(&PL_sv_no) = 0; | |
1135 | sv_clear(&PL_sv_no); | |
1136 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1137 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1138 | |
9f375a43 DM |
1139 | { |
1140 | int i; | |
1141 | for (i=0; i<=2; i++) { | |
1142 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1143 | sv_clear(PERL_DEBUG_PAD(i)); | |
1144 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1145 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1146 | } | |
1147 | } | |
1148 | ||
0453d815 | 1149 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1150 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1151 | |
eba0f806 DM |
1152 | #ifdef DEBUG_LEAKING_SCALARS |
1153 | if (PL_sv_count != 0) { | |
1154 | SV* sva; | |
1155 | SV* sv; | |
1156 | register SV* svend; | |
1157 | ||
1158 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
1159 | svend = &sva[SvREFCNT(sva)]; | |
1160 | for (sv = sva + 1; sv < svend; ++sv) { | |
1161 | if (SvTYPE(sv) != SVTYPEMASK) { | |
a548cda8 | 1162 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1163 | " flags=0x%"UVxf |
fd0854ff DM |
1164 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
1165 | "\tallocated at %s:%d %s %s%s\n", | |
1166 | sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE, | |
1167 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", | |
1168 | sv->sv_debug_line, | |
1169 | sv->sv_debug_inpad ? "for" : "by", | |
1170 | sv->sv_debug_optype ? | |
1171 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
1172 | sv->sv_debug_cloned ? " (cloned)" : "" | |
1173 | ); | |
2aa47728 | 1174 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1175 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1176 | #endif |
eba0f806 DM |
1177 | } |
1178 | } | |
1179 | } | |
1180 | } | |
2aa47728 NC |
1181 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1182 | { | |
1183 | int status; | |
1184 | fd_set rset; | |
1185 | /* Wait for up to 4 seconds for child to terminate. | |
1186 | This seems to be the least effort way of timing out on reaping | |
1187 | its exit status. */ | |
1188 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1189 | int sock = PL_dumper_fd; |
2aa47728 NC |
1190 | |
1191 | shutdown(sock, 1); | |
1192 | FD_ZERO(&rset); | |
1193 | FD_SET(sock, &rset); | |
1194 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1195 | waitpid(child, &status, WNOHANG); | |
1196 | close(sock); | |
1197 | } | |
1198 | #endif | |
eba0f806 | 1199 | #endif |
bf9cdc68 | 1200 | PL_sv_count = 0; |
eba0f806 DM |
1201 | |
1202 | ||
56a2bab7 | 1203 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1204 | /* No more IO - including error messages ! */ |
1205 | PerlIO_cleanup(aTHX); | |
1206 | #endif | |
1207 | ||
9f4bd222 NIS |
1208 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
1209 | as currently layers use it rather than Nullsv as a marker | |
1210 | for no arg - and will try and SvREFCNT_dec it. | |
1211 | */ | |
1212 | SvREFCNT(&PL_sv_undef) = 0; | |
1213 | SvREADONLY_off(&PL_sv_undef); | |
1214 | ||
3280af22 | 1215 | Safefree(PL_origfilename); |
bf9cdc68 | 1216 | PL_origfilename = Nullch; |
3280af22 | 1217 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1218 | PL_reg_start_tmp = (char**)NULL; |
1219 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1220 | Safefree(PL_reg_curpm); |
82ba1be6 | 1221 | Safefree(PL_reg_poscache); |
dd28f7bb | 1222 | free_tied_hv_pool(); |
3280af22 | 1223 | Safefree(PL_op_mask); |
cf36064f | 1224 | Safefree(PL_psig_ptr); |
bf9cdc68 | 1225 | PL_psig_ptr = (SV**)NULL; |
cf36064f | 1226 | Safefree(PL_psig_name); |
bf9cdc68 | 1227 | PL_psig_name = (SV**)NULL; |
2c2666fc | 1228 | Safefree(PL_bitcount); |
bf9cdc68 | 1229 | PL_bitcount = Nullch; |
ce08f86c | 1230 | Safefree(PL_psig_pend); |
bf9cdc68 RG |
1231 | PL_psig_pend = (int*)NULL; |
1232 | PL_formfeed = Nullsv; | |
6e72f9df | 1233 | nuke_stacks(); |
bf9cdc68 RG |
1234 | PL_tainting = FALSE; |
1235 | PL_taint_warn = FALSE; | |
3280af22 | 1236 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1237 | PL_debug = 0; |
ac27b0f5 | 1238 | |
a0d0e21e | 1239 | DEBUG_P(debprofdump()); |
d33b2eba | 1240 | |
e5dd39fc | 1241 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1242 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1243 | #endif |
1244 | ||
612f20c3 GS |
1245 | sv_free_arenas(); |
1246 | ||
fc36a67e | 1247 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1248 | ||
3280af22 | 1249 | if (PL_mess_sv) { |
f350b448 NC |
1250 | /* we know that type == SVt_PVMG */ |
1251 | ||
9c63abab | 1252 | /* it could have accumulated taint magic */ |
f350b448 NC |
1253 | MAGIC* mg; |
1254 | MAGIC* moremagic; | |
1255 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1256 | moremagic = mg->mg_moremagic; | |
1257 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1258 | && mg->mg_len >= 0) | |
1259 | Safefree(mg->mg_ptr); | |
1260 | Safefree(mg); | |
9c63abab | 1261 | } |
f350b448 | 1262 | |
fc36a67e | 1263 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1264 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1265 | Safefree(SvANY(PL_mess_sv)); |
1266 | Safefree(PL_mess_sv); | |
1267 | PL_mess_sv = Nullsv; | |
fc36a67e | 1268 | } |
37038d91 | 1269 | return STATUS_EXIT; |
79072805 LW |
1270 | } |
1271 | ||
954c1994 GS |
1272 | /* |
1273 | =for apidoc perl_free | |
1274 | ||
1275 | Releases a Perl interpreter. See L<perlembed>. | |
1276 | ||
1277 | =cut | |
1278 | */ | |
1279 | ||
79072805 | 1280 | void |
0cb96387 | 1281 | perl_free(pTHXx) |
79072805 | 1282 | { |
acfe0abc | 1283 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1284 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
1285 | # ifdef NETWARE |
1286 | void *host = nw_internal_host; | |
1287 | # else | |
1288 | void *host = w32_internal_host; | |
1289 | # endif | |
ce3e5b80 | 1290 | PerlMem_free(aTHXx); |
acfe0abc | 1291 | # ifdef NETWARE |
011f1a1a | 1292 | nw_delete_internal_host(host); |
acfe0abc GS |
1293 | # else |
1294 | win32_delete_internal_host(host); | |
1295 | # endif | |
1c0ca838 GS |
1296 | # else |
1297 | PerlMem_free(aTHXx); | |
1298 | # endif | |
acfe0abc GS |
1299 | #else |
1300 | PerlMem_free(aTHXx); | |
76e3520e | 1301 | #endif |
79072805 LW |
1302 | } |
1303 | ||
aebd1ac7 GA |
1304 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
1305 | /* provide destructors to clean up the thread key when libperl is unloaded */ | |
1306 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1307 | ||
110d3f98 | 1308 | #if defined(__hpux) && __ux_version > 1020 && !defined(__GNUC__) |
aebd1ac7 GA |
1309 | #pragma fini "perl_fini" |
1310 | #endif | |
1311 | ||
0dbb1585 AL |
1312 | static void |
1313 | #if defined(__GNUC__) | |
1314 | __attribute__((destructor)) | |
aebd1ac7 | 1315 | #endif |
de009b76 | 1316 | perl_fini(void) |
aebd1ac7 | 1317 | { |
27da23d5 | 1318 | dVAR; |
aebd1ac7 GA |
1319 | if (PL_curinterp) |
1320 | FREE_THREAD_KEY; | |
1321 | } | |
1322 | ||
1323 | #endif /* WIN32 */ | |
1324 | #endif /* THREADS */ | |
1325 | ||
4b556e6c | 1326 | void |
864dbfa3 | 1327 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1328 | { |
97aff369 | 1329 | dVAR; |
3280af22 NIS |
1330 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1331 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1332 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1333 | ++PL_exitlistlen; | |
4b556e6c JD |
1334 | } |
1335 | ||
56cf6df8 RGS |
1336 | #ifdef HAS_PROCSELFEXE |
1337 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1338 | bytes of stack longer than necessary | |
1339 | */ | |
1340 | STATIC void | |
e1ec3a88 | 1341 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1342 | { |
1343 | char buf[MAXPATHLEN]; | |
1344 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1345 | ||
1346 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1347 | includes a spurious NUL which will cause $^X to fail in system | |
1348 | or backticks (this will prevent extensions from being built and | |
1349 | many tests from working). readlink is not meant to add a NUL. | |
1350 | Normal readlink works fine. | |
1351 | */ | |
1352 | if (len > 0 && buf[len-1] == '\0') { | |
1353 | len--; | |
1354 | } | |
1355 | ||
1356 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1357 | returning the text "unknown" from the readlink rather than the path | |
1358 | to the executable (or returning an error from the readlink). Any valid | |
1359 | path has a '/' in it somewhere, so use that to validate the result. | |
1360 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1361 | */ | |
1362 | if (len > 0 && memchr(buf, '/', len)) { | |
1363 | sv_setpvn(sv,buf,len); | |
1364 | } | |
1365 | else { | |
1366 | sv_setpv(sv,arg0); | |
1367 | } | |
1368 | } | |
1369 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1370 | |
1371 | STATIC void | |
1372 | S_set_caret_X(pTHX) { | |
97aff369 | 1373 | dVAR; |
5c1737d1 | 1374 | GV* tmpgv = gv_fetchpvs("\030",TRUE, SVt_PV); /* $^X */ |
b7975bdd NC |
1375 | if (tmpgv) { |
1376 | #ifdef HAS_PROCSELFEXE | |
1377 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1378 | #else | |
1379 | #ifdef OS2 | |
c69033f2 | 1380 | sv_setpv(GvSVn(tmpgv), os2_execname(aTHX)); |
b7975bdd | 1381 | #else |
c69033f2 | 1382 | sv_setpv(GvSVn(tmpgv),PL_origargv[0]); |
b7975bdd NC |
1383 | #endif |
1384 | #endif | |
1385 | } | |
1386 | } | |
1387 | ||
954c1994 GS |
1388 | /* |
1389 | =for apidoc perl_parse | |
1390 | ||
1391 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1392 | ||
1393 | =cut | |
1394 | */ | |
1395 | ||
79072805 | 1396 | int |
0cb96387 | 1397 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1398 | { |
27da23d5 | 1399 | dVAR; |
6224f72b | 1400 | I32 oldscope; |
6224f72b | 1401 | int ret; |
db36c5a1 | 1402 | dJMPENV; |
8d063cd8 | 1403 | |
9d4ba2ae AL |
1404 | PERL_UNUSED_VAR(my_perl); |
1405 | ||
a687059c LW |
1406 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
1407 | #ifdef IAMSUID | |
1408 | #undef IAMSUID | |
cea2e8a9 | 1409 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c | 1410 | setuid perl scripts securely.\n"); |
ae3f3efd | 1411 | #endif /* IAMSUID */ |
a687059c LW |
1412 | #endif |
1413 | ||
b0891165 JH |
1414 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1415 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1416 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
1417 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
1418 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 1419 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1420 | if (!PL_rehash_seed_set) |
1421 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1422 | { |
9d4ba2ae | 1423 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1424 | |
1b6737cc AL |
1425 | if (s && (atoi(s) == 1)) |
1426 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1427 | } |
1428 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1429 | ||
3280af22 | 1430 | PL_origargc = argc; |
e2975953 | 1431 | PL_origargv = argv; |
a0d0e21e | 1432 | |
a2722ac9 GA |
1433 | if (PL_origalen != 0) { |
1434 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1435 | } | |
1436 | else { | |
3cb9023d JH |
1437 | /* Set PL_origalen be the sum of the contiguous argv[] |
1438 | * elements plus the size of the env in case that it is | |
e9137a8e | 1439 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1440 | * as the maximum modifiable length of $0. In the worst case |
1441 | * the area we are able to modify is limited to the size of | |
43c32782 | 1442 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1443 | * --jhi */ |
e1ec3a88 | 1444 | const char *s = NULL; |
54bfe034 | 1445 | int i; |
1b6737cc | 1446 | const UV mask = |
7d8e7db3 | 1447 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1448 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1449 | const UV aligned = |
43c32782 JH |
1450 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1451 | ||
1452 | /* See if all the arguments are contiguous in memory. Note | |
1453 | * that 'contiguous' is a loose term because some platforms | |
1454 | * align the argv[] and the envp[]. If the arguments look | |
1455 | * like non-aligned, assume that they are 'strictly' or | |
1456 | * 'traditionally' contiguous. If the arguments look like | |
1457 | * aligned, we just check that they are within aligned | |
1458 | * PTRSIZE bytes. As long as no system has something bizarre | |
1459 | * like the argv[] interleaved with some other data, we are | |
1460 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1461 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1462 | while (*s) s++; | |
1463 | for (i = 1; i < PL_origargc; i++) { | |
1464 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1465 | #ifdef OS2 |
c8941eeb | 1466 | || PL_origargv[i] == s + 2 |
43c32782 | 1467 | #endif |
c8941eeb JH |
1468 | ) |
1469 | || | |
1470 | (aligned && | |
1471 | (PL_origargv[i] > s && | |
1472 | PL_origargv[i] <= | |
1473 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1474 | ) | |
1475 | { | |
1476 | s = PL_origargv[i]; | |
1477 | while (*s) s++; | |
1478 | } | |
1479 | else | |
1480 | break; | |
54bfe034 | 1481 | } |
54bfe034 | 1482 | } |
3cb9023d | 1483 | /* Can we grab env area too to be used as the area for $0? */ |
2d2af554 | 1484 | if (s && PL_origenviron) { |
43c32782 JH |
1485 | if ((PL_origenviron[0] == s + 1 |
1486 | #ifdef OS2 | |
1487 | || (PL_origenviron[0] == s + 9 && (s += 8)) | |
1488 | #endif | |
1489 | ) | |
1490 | || | |
1491 | (aligned && | |
1492 | (PL_origenviron[0] > s && | |
1493 | PL_origenviron[0] <= | |
1494 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1495 | ) | |
1496 | { | |
1497 | #ifndef OS2 | |
1498 | s = PL_origenviron[0]; | |
1499 | while (*s) s++; | |
1500 | #endif | |
1501 | my_setenv("NoNe SuCh", Nullch); | |
1502 | /* Force copy of environment. */ | |
1503 | for (i = 1; PL_origenviron[i]; i++) { | |
1504 | if (PL_origenviron[i] == s + 1 | |
1505 | || | |
1506 | (aligned && | |
1507 | (PL_origenviron[i] > s && | |
1508 | PL_origenviron[i] <= | |
1509 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1510 | ) | |
1511 | { | |
1512 | s = PL_origenviron[i]; | |
1513 | while (*s) s++; | |
1514 | } | |
1515 | else | |
1516 | break; | |
54bfe034 | 1517 | } |
43c32782 | 1518 | } |
54bfe034 | 1519 | } |
2d2af554 | 1520 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1521 | } |
1522 | ||
3280af22 | 1523 | if (PL_do_undump) { |
a0d0e21e LW |
1524 | |
1525 | /* Come here if running an undumped a.out. */ | |
1526 | ||
3280af22 NIS |
1527 | PL_origfilename = savepv(argv[0]); |
1528 | PL_do_undump = FALSE; | |
a0d0e21e | 1529 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1530 | init_ids(); |
b7975bdd NC |
1531 | assert (!PL_tainted); |
1532 | TAINT; | |
1533 | S_set_caret_X(aTHX); | |
1534 | TAINT_NOT; | |
a0d0e21e LW |
1535 | init_postdump_symbols(argc,argv,env); |
1536 | return 0; | |
1537 | } | |
1538 | ||
3280af22 | 1539 | if (PL_main_root) { |
3280af22 NIS |
1540 | op_free(PL_main_root); |
1541 | PL_main_root = Nullop; | |
ff0cee69 | 1542 | } |
3280af22 NIS |
1543 | PL_main_start = Nullop; |
1544 | SvREFCNT_dec(PL_main_cv); | |
1545 | PL_main_cv = Nullcv; | |
79072805 | 1546 | |
3280af22 NIS |
1547 | time(&PL_basetime); |
1548 | oldscope = PL_scopestack_ix; | |
599cee73 | 1549 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1550 | |
14dd3ad8 | 1551 | JMPENV_PUSH(ret); |
6224f72b | 1552 | switch (ret) { |
312caa8e | 1553 | case 0: |
14dd3ad8 | 1554 | parse_body(env,xsinit); |
7d30b5c4 GS |
1555 | if (PL_checkav) |
1556 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1557 | ret = 0; |
1558 | break; | |
6224f72b GS |
1559 | case 1: |
1560 | STATUS_ALL_FAILURE; | |
1561 | /* FALL THROUGH */ | |
1562 | case 2: | |
1563 | /* my_exit() was called */ | |
3280af22 | 1564 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1565 | LEAVE; |
1566 | FREETMPS; | |
3280af22 | 1567 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
1568 | if (PL_checkav) |
1569 | call_list(oldscope, PL_checkav); | |
37038d91 | 1570 | ret = STATUS_EXIT; |
14dd3ad8 | 1571 | break; |
6224f72b | 1572 | case 3: |
bf49b057 | 1573 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1574 | ret = 1; |
1575 | break; | |
6224f72b | 1576 | } |
14dd3ad8 GS |
1577 | JMPENV_POP; |
1578 | return ret; | |
1579 | } | |
1580 | ||
312caa8e | 1581 | STATIC void * |
14dd3ad8 | 1582 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1583 | { |
27da23d5 | 1584 | dVAR; |
312caa8e | 1585 | int argc = PL_origargc; |
8f42b153 | 1586 | char **argv = PL_origargv; |
e1ec3a88 | 1587 | const char *scriptname = NULL; |
312caa8e | 1588 | VOL bool dosearch = FALSE; |
e1ec3a88 | 1589 | const char *validarg = ""; |
312caa8e CS |
1590 | register SV *sv; |
1591 | register char *s; | |
e1ec3a88 | 1592 | const char *cddir = Nullch; |
ab019eaa | 1593 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1594 | bool minus_f = FALSE; |
ab019eaa | 1595 | #endif |
312caa8e | 1596 | |
ae3f3efd PS |
1597 | PL_fdscript = -1; |
1598 | PL_suidscript = -1; | |
3280af22 | 1599 | sv_setpvn(PL_linestr,"",0); |
396482e1 | 1600 | sv = newSVpvs(""); /* first used for -I flags */ |
6224f72b GS |
1601 | SAVEFREESV(sv); |
1602 | init_main_stash(); | |
54310121 | 1603 | |
6224f72b GS |
1604 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1605 | if (argv[0][0] != '-' || !argv[0][1]) | |
1606 | break; | |
1607 | #ifdef DOSUID | |
1608 | if (*validarg) | |
1609 | validarg = " PHOOEY "; | |
1610 | else | |
1611 | validarg = argv[0]; | |
ae3f3efd PS |
1612 | /* |
1613 | * Can we rely on the kernel to start scripts with argv[1] set to | |
1614 | * contain all #! line switches (the whole line)? (argv[0] is set to | |
1615 | * the interpreter name, argv[2] to the script name; argv[3] and | |
1616 | * above may contain other arguments.) | |
1617 | */ | |
13281fa4 | 1618 | #endif |
6224f72b GS |
1619 | s = argv[0]+1; |
1620 | reswitch: | |
1621 | switch (*s) { | |
729a02f2 | 1622 | case 'C': |
1d5472a9 GS |
1623 | #ifndef PERL_STRICT_CR |
1624 | case '\r': | |
1625 | #endif | |
6224f72b GS |
1626 | case ' ': |
1627 | case '0': | |
1628 | case 'F': | |
1629 | case 'a': | |
1630 | case 'c': | |
1631 | case 'd': | |
1632 | case 'D': | |
1633 | case 'h': | |
1634 | case 'i': | |
1635 | case 'l': | |
1636 | case 'M': | |
1637 | case 'm': | |
1638 | case 'n': | |
1639 | case 'p': | |
1640 | case 's': | |
1641 | case 'u': | |
1642 | case 'U': | |
1643 | case 'v': | |
599cee73 PM |
1644 | case 'W': |
1645 | case 'X': | |
6224f72b | 1646 | case 'w': |
06492da6 | 1647 | case 'A': |
155aba94 | 1648 | if ((s = moreswitches(s))) |
6224f72b GS |
1649 | goto reswitch; |
1650 | break; | |
33b78306 | 1651 | |
1dbad523 | 1652 | case 't': |
22f7c9c9 | 1653 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1654 | if( !PL_tainting ) { |
1655 | PL_taint_warn = TRUE; | |
1656 | PL_tainting = TRUE; | |
1657 | } | |
1658 | s++; | |
1659 | goto reswitch; | |
6224f72b | 1660 | case 'T': |
22f7c9c9 | 1661 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1662 | PL_tainting = TRUE; |
317ea90d | 1663 | PL_taint_warn = FALSE; |
6224f72b GS |
1664 | s++; |
1665 | goto reswitch; | |
f86702cc | 1666 | |
bc9b29db RH |
1667 | case 'E': |
1668 | PL_minus_E = TRUE; | |
1669 | /* FALL THROUGH */ | |
6224f72b | 1670 | case 'e': |
bf4acbe4 GS |
1671 | #ifdef MACOS_TRADITIONAL |
1672 | /* ignore -e for Dev:Pseudo argument */ | |
1673 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1674 | break; |
bf4acbe4 | 1675 | #endif |
ae3f3efd | 1676 | forbid_setid("-e"); |
3280af22 | 1677 | if (!PL_e_script) { |
396482e1 | 1678 | PL_e_script = newSVpvs(""); |
0cb96387 | 1679 | filter_add(read_e_script, NULL); |
6224f72b GS |
1680 | } |
1681 | if (*++s) | |
3280af22 | 1682 | sv_catpv(PL_e_script, s); |
6224f72b | 1683 | else if (argv[1]) { |
3280af22 | 1684 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1685 | argc--,argv++; |
1686 | } | |
1687 | else | |
bc9b29db | 1688 | Perl_croak(aTHX_ "No code specified for -%c", *s); |
396482e1 | 1689 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1690 | break; |
afe37c7d | 1691 | |
20ef40cf | 1692 | case 'f': |
f5542d3a | 1693 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1694 | minus_f = TRUE; |
f5542d3a | 1695 | #endif |
20ef40cf GA |
1696 | s++; |
1697 | goto reswitch; | |
1698 | ||
6224f72b GS |
1699 | case 'I': /* -I handled both here and in moreswitches() */ |
1700 | forbid_setid("-I"); | |
1701 | if (!*++s && (s=argv[1]) != Nullch) { | |
1702 | argc--,argv++; | |
1703 | } | |
6224f72b | 1704 | if (s && *s) { |
0df16ed7 | 1705 | STRLEN len = strlen(s); |
aec46f14 | 1706 | const char * const p = savepvn(s, len); |
88fe16b2 | 1707 | incpush(p, TRUE, TRUE, FALSE, FALSE); |
396482e1 | 1708 | sv_catpvs(sv, "-I"); |
0df16ed7 | 1709 | sv_catpvn(sv, p, len); |
396482e1 | 1710 | sv_catpvs(sv, " "); |
6224f72b | 1711 | Safefree(p); |
0df16ed7 GS |
1712 | } |
1713 | else | |
a67e862a | 1714 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1715 | break; |
1716 | case 'P': | |
1717 | forbid_setid("-P"); | |
3280af22 | 1718 | PL_preprocess = TRUE; |
6224f72b GS |
1719 | s++; |
1720 | goto reswitch; | |
1721 | case 'S': | |
1722 | forbid_setid("-S"); | |
1723 | dosearch = TRUE; | |
1724 | s++; | |
1725 | goto reswitch; | |
1726 | case 'V': | |
7edfd0ef NC |
1727 | { |
1728 | SV *opts_prog; | |
1729 | ||
1730 | if (!PL_preambleav) | |
1731 | PL_preambleav = newAV(); | |
1732 | av_push(PL_preambleav, | |
396482e1 | 1733 | newSVpvs("use Config;")); |
7edfd0ef NC |
1734 | if (*++s != ':') { |
1735 | STRLEN opts; | |
1736 | ||
396482e1 | 1737 | opts_prog = newSVpvs("print Config::myconfig(),"); |
6224f72b | 1738 | #ifdef VMS |
396482e1 | 1739 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1740 | #else |
396482e1 | 1741 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1742 | #endif |
7edfd0ef | 1743 | opts = SvCUR(opts_prog); |
efcaa95b | 1744 | |
9cd7d3f2 | 1745 | Perl_sv_catpv(aTHX_ opts_prog,"\" Compile-time options:" |
6224f72b | 1746 | # ifdef DEBUGGING |
e2e4dbf1 | 1747 | " DEBUGGING" |
6224f72b | 1748 | # endif |
4f185743 NC |
1749 | # ifdef DEBUG_LEAKING_SCALARS |
1750 | " DEBUG_LEAKING_SCALARS" | |
1751 | # endif | |
85e1fcb9 | 1752 | # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
e2e4dbf1 | 1753 | " DEBUG_LEAKING_SCALARS_FORK_DUMP" |
85e1fcb9 SH |
1754 | # endif |
1755 | # ifdef FAKE_THREADS | |
e2e4dbf1 | 1756 | " FAKE_THREADS" |
85e1fcb9 | 1757 | # endif |
6224f72b | 1758 | # ifdef MULTIPLICITY |
e2e4dbf1 | 1759 | " MULTIPLICITY" |
6224f72b | 1760 | # endif |
85e1fcb9 | 1761 | # ifdef MYMALLOC |
e2e4dbf1 | 1762 | " MYMALLOC" |
85e1fcb9 | 1763 | # endif |
3bcf5ed8 SP |
1764 | # ifdef NO_MATHOMS |
1765 | " NO_MATHOMS" | |
1766 | # endif | |
85e1fcb9 | 1767 | # ifdef PERL_DONT_CREATE_GVSV |
e2e4dbf1 | 1768 | " PERL_DONT_CREATE_GVSV" |
85e1fcb9 SH |
1769 | # endif |
1770 | # ifdef PERL_GLOBAL_STRUCT | |
e2e4dbf1 | 1771 | " PERL_GLOBAL_STRUCT" |
85e1fcb9 SH |
1772 | # endif |
1773 | # ifdef PERL_IMPLICIT_CONTEXT | |
e2e4dbf1 | 1774 | " PERL_IMPLICIT_CONTEXT" |
85e1fcb9 SH |
1775 | # endif |
1776 | # ifdef PERL_IMPLICIT_SYS | |
e2e4dbf1 | 1777 | " PERL_IMPLICIT_SYS" |
85e1fcb9 SH |
1778 | # endif |
1779 | # ifdef PERL_MALLOC_WRAP | |
e2e4dbf1 | 1780 | " PERL_MALLOC_WRAP" |
85e1fcb9 SH |
1781 | # endif |
1782 | # ifdef PERL_NEED_APPCTX | |
e2e4dbf1 | 1783 | " PERL_NEED_APPCTX" |
85e1fcb9 SH |
1784 | # endif |
1785 | # ifdef PERL_NEED_TIMESBASE | |
e2e4dbf1 | 1786 | " PERL_NEED_TIMESBASE" |
85e1fcb9 SH |
1787 | # endif |
1788 | # ifdef PERL_OLD_COPY_ON_WRITE | |
e2e4dbf1 | 1789 | " PERL_OLD_COPY_ON_WRITE" |
85e1fcb9 | 1790 | # endif |
9c0a4d5d DM |
1791 | # ifdef PERL_TRACK_MEMPOOL |
1792 | " PERL_TRACK_MEMPOOL" | |
1793 | # endif | |
417cd4a8 SP |
1794 | # ifdef PERL_USE_SAFE_PUTENV |
1795 | " PERL_USE_SAFE_PUTENV" | |
1796 | # endif | |
ca0c25f6 NC |
1797 | #ifdef PERL_USES_PL_PIDSTATUS |
1798 | " PERL_USES_PL_PIDSTATUS" | |
1799 | #endif | |
85e1fcb9 | 1800 | # ifdef PL_OP_SLAB_ALLOC |
e2e4dbf1 | 1801 | " PL_OP_SLAB_ALLOC" |
85e1fcb9 SH |
1802 | # endif |
1803 | # ifdef THREADS_HAVE_PIDS | |
e2e4dbf1 | 1804 | " THREADS_HAVE_PIDS" |
85e1fcb9 | 1805 | # endif |
4d1ff10f | 1806 | # ifdef USE_5005THREADS |
e2e4dbf1 | 1807 | " USE_5005THREADS" |
b363f7ed | 1808 | # endif |
85e1fcb9 | 1809 | # ifdef USE_64_BIT_ALL |
e2e4dbf1 | 1810 | " USE_64_BIT_ALL" |
ac5e8965 | 1811 | # endif |
10cc9d2a | 1812 | # ifdef USE_64_BIT_INT |
e2e4dbf1 | 1813 | " USE_64_BIT_INT" |
10cc9d2a | 1814 | # endif |
85e1fcb9 | 1815 | # ifdef USE_ITHREADS |
e2e4dbf1 | 1816 | " USE_ITHREADS" |
85e1fcb9 SH |
1817 | # endif |
1818 | # ifdef USE_LARGE_FILES | |
e2e4dbf1 | 1819 | " USE_LARGE_FILES" |
ac5e8965 JH |
1820 | # endif |
1821 | # ifdef USE_LONG_DOUBLE | |
e2e4dbf1 | 1822 | " USE_LONG_DOUBLE" |
ac5e8965 | 1823 | # endif |
85e1fcb9 | 1824 | # ifdef USE_PERLIO |
e2e4dbf1 | 1825 | " USE_PERLIO" |
53430762 | 1826 | # endif |
85e1fcb9 | 1827 | # ifdef USE_REENTRANT_API |
e2e4dbf1 | 1828 | " USE_REENTRANT_API" |
85e1fcb9 SH |
1829 | # endif |
1830 | # ifdef USE_SFIO | |
e2e4dbf1 | 1831 | " USE_SFIO" |
ac5e8965 | 1832 | # endif |
20ef40cf | 1833 | # ifdef USE_SITECUSTOMIZE |
e2e4dbf1 | 1834 | " USE_SITECUSTOMIZE" |
20ef40cf | 1835 | # endif |
85e1fcb9 | 1836 | # ifdef USE_SOCKS |
e2e4dbf1 | 1837 | " USE_SOCKS" |
b363f7ed | 1838 | # endif |
e2e4dbf1 | 1839 | ); |
efcaa95b | 1840 | |
7edfd0ef NC |
1841 | while (SvCUR(opts_prog) > opts+76) { |
1842 | /* find last space after "options: " and before col 76 | |
1843 | */ | |
efcaa95b | 1844 | |
7edfd0ef | 1845 | const char *space; |
c4420975 | 1846 | char * const pv = SvPV_nolen(opts_prog); |
7edfd0ef NC |
1847 | const char c = pv[opts+76]; |
1848 | pv[opts+76] = '\0'; | |
1849 | space = strrchr(pv+opts+26, ' '); | |
1850 | pv[opts+76] = c; | |
1851 | if (!space) break; /* "Can't happen" */ | |
efcaa95b | 1852 | |
7edfd0ef | 1853 | /* break the line before that space */ |
efcaa95b | 1854 | |
7edfd0ef | 1855 | opts = space - pv; |
89529cee | 1856 | Perl_sv_insert(aTHX_ opts_prog, opts, 0, |
6a245ed1 | 1857 | STR_WITH_LEN("\\n ")); |
7edfd0ef | 1858 | } |
efcaa95b | 1859 | |
396482e1 | 1860 | sv_catpvs(opts_prog,"\\n\","); |
b363f7ed | 1861 | |
6224f72b | 1862 | #if defined(LOCAL_PATCH_COUNT) |
7edfd0ef NC |
1863 | if (LOCAL_PATCH_COUNT > 0) { |
1864 | int i; | |
396482e1 | 1865 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1866 | "\" Locally applied patches:\\n\","); |
1867 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
1868 | if (PL_localpatches[i]) | |
1869 | Perl_sv_catpvf(aTHX_ opts_prog,"q%c\t%s\n%c,", | |
1870 | 0, PL_localpatches[i], 0); | |
1871 | } | |
6224f72b | 1872 | } |
6224f72b | 1873 | #endif |
7edfd0ef NC |
1874 | Perl_sv_catpvf(aTHX_ opts_prog, |
1875 | "\" Built under %s\\n\"",OSNAME); | |
6224f72b GS |
1876 | #ifdef __DATE__ |
1877 | # ifdef __TIME__ | |
7edfd0ef NC |
1878 | Perl_sv_catpvf(aTHX_ opts_prog, |
1879 | ",\" Compiled at %s %s\\n\"",__DATE__, | |
1880 | __TIME__); | |
6224f72b | 1881 | # else |
7edfd0ef NC |
1882 | Perl_sv_catpvf(aTHX_ opts_prog,",\" Compiled on %s\\n\"", |
1883 | __DATE__); | |
6224f72b GS |
1884 | # endif |
1885 | #endif | |
396482e1 | 1886 | sv_catpvs(opts_prog, "; $\"=\"\\n \"; " |
7edfd0ef NC |
1887 | "@env = map { \"$_=\\\"$ENV{$_}\\\"\" } " |
1888 | "sort grep {/^PERL/} keys %ENV; "); | |
69fcd688 | 1889 | #ifdef __CYGWIN__ |
396482e1 | 1890 | sv_catpvs(opts_prog, |
7edfd0ef | 1891 | "push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); |
69fcd688 | 1892 | #endif |
396482e1 | 1893 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1894 | "print \" \\%ENV:\\n @env\\n\" if @env;" |
1895 | "print \" \\@INC:\\n @INC\\n\";"); | |
1896 | } | |
1897 | else { | |
1898 | ++s; | |
1899 | opts_prog = Perl_newSVpvf(aTHX_ | |
1900 | "Config::config_vars(qw%c%s%c)", | |
1901 | 0, s, 0); | |
1902 | s += strlen(s); | |
1903 | } | |
1904 | av_push(PL_preambleav, opts_prog); | |
1905 | /* don't look for script or read stdin */ | |
1906 | scriptname = BIT_BUCKET; | |
1907 | goto reswitch; | |
6224f72b | 1908 | } |
6224f72b | 1909 | case 'x': |
3280af22 | 1910 | PL_doextract = TRUE; |
6224f72b GS |
1911 | s++; |
1912 | if (*s) | |
f4c556ac | 1913 | cddir = s; |
6224f72b GS |
1914 | break; |
1915 | case 0: | |
1916 | break; | |
1917 | case '-': | |
1918 | if (!*++s || isSPACE(*s)) { | |
1919 | argc--,argv++; | |
1920 | goto switch_end; | |
1921 | } | |
1922 | /* catch use of gnu style long options */ | |
1923 | if (strEQ(s, "version")) { | |
dd374669 | 1924 | s = (char *)"v"; |
6224f72b GS |
1925 | goto reswitch; |
1926 | } | |
1927 | if (strEQ(s, "help")) { | |
dd374669 | 1928 | s = (char *)"h"; |
6224f72b GS |
1929 | goto reswitch; |
1930 | } | |
1931 | s--; | |
1932 | /* FALL THROUGH */ | |
1933 | default: | |
cea2e8a9 | 1934 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1935 | } |
1936 | } | |
6224f72b | 1937 | switch_end: |
54310121 | 1938 | |
f675dbe5 CB |
1939 | if ( |
1940 | #ifndef SECURE_INTERNAL_GETENV | |
1941 | !PL_tainting && | |
1942 | #endif | |
cf756827 | 1943 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1944 | { |
e1ec3a88 | 1945 | const char *popt = s; |
74288ac8 GS |
1946 | while (isSPACE(*s)) |
1947 | s++; | |
317ea90d | 1948 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1949 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1950 | PL_tainting = TRUE; |
317ea90d MS |
1951 | PL_taint_warn = FALSE; |
1952 | } | |
74288ac8 | 1953 | else { |
cf756827 | 1954 | char *popt_copy = Nullch; |
74288ac8 | 1955 | while (s && *s) { |
4ea8f8fb | 1956 | char *d; |
74288ac8 GS |
1957 | while (isSPACE(*s)) |
1958 | s++; | |
1959 | if (*s == '-') { | |
1960 | s++; | |
1961 | if (isSPACE(*s)) | |
1962 | continue; | |
1963 | } | |
4ea8f8fb | 1964 | d = s; |
74288ac8 GS |
1965 | if (!*s) |
1966 | break; | |
e4af53b0 | 1967 | if (!strchr("CDIMUdmtwA", *s)) |
cea2e8a9 | 1968 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1969 | while (++s && *s) { |
1970 | if (isSPACE(*s)) { | |
cf756827 GS |
1971 | if (!popt_copy) { |
1972 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1973 | s = popt_copy + (s - popt); | |
1974 | d = popt_copy + (d - popt); | |
1975 | } | |
4ea8f8fb MS |
1976 | *s++ = '\0'; |
1977 | break; | |
1978 | } | |
1979 | } | |
1c4db469 | 1980 | if (*d == 't') { |
317ea90d MS |
1981 | if( !PL_tainting ) { |
1982 | PL_taint_warn = TRUE; | |
1983 | PL_tainting = TRUE; | |
1984 | } | |
1c4db469 RGS |
1985 | } else { |
1986 | moreswitches(d); | |
1987 | } | |
6224f72b | 1988 | } |
6224f72b GS |
1989 | } |
1990 | } | |
a0d0e21e | 1991 | |
20ef40cf GA |
1992 | #ifdef USE_SITECUSTOMIZE |
1993 | if (!minus_f) { | |
1994 | if (!PL_preambleav) | |
1995 | PL_preambleav = newAV(); | |
1996 | av_unshift(PL_preambleav, 1); | |
1997 | (void)av_store(PL_preambleav, 0, Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP)); | |
1998 | } | |
1999 | #endif | |
2000 | ||
317ea90d MS |
2001 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
2002 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
2003 | } | |
2004 | ||
6224f72b GS |
2005 | if (!scriptname) |
2006 | scriptname = argv[0]; | |
3280af22 | 2007 | if (PL_e_script) { |
6224f72b GS |
2008 | argc++,argv--; |
2009 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2010 | } | |
2011 | else if (scriptname == Nullch) { | |
2012 | #ifdef MSDOS | |
2013 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
2014 | moreswitches("h"); | |
2015 | #endif | |
2016 | scriptname = "-"; | |
2017 | } | |
2018 | ||
b7975bdd NC |
2019 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2020 | assert (!PL_tainted); | |
2021 | TAINT; | |
2022 | S_set_caret_X(aTHX); | |
2023 | TAINT_NOT; | |
6224f72b GS |
2024 | init_perllib(); |
2025 | ||
c5cccb17 | 2026 | open_script(scriptname,dosearch,sv); |
6224f72b | 2027 | |
c5cccb17 | 2028 | validate_suid(validarg, scriptname); |
6224f72b | 2029 | |
64ca3a65 | 2030 | #ifndef PERL_MICRO |
0b5b802d GS |
2031 | #if defined(SIGCHLD) || defined(SIGCLD) |
2032 | { | |
2033 | #ifndef SIGCHLD | |
2034 | # define SIGCHLD SIGCLD | |
2035 | #endif | |
2036 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
8aad04aa | 2037 | if (sigstate == (Sighandler_t) SIG_IGN) { |
0b5b802d | 2038 | if (ckWARN(WARN_SIGNAL)) |
9014280d | 2039 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
2040 | "Can't ignore signal CHLD, forcing to default"); |
2041 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
2042 | } | |
2043 | } | |
2044 | #endif | |
64ca3a65 | 2045 | #endif |
0b5b802d | 2046 | |
bf4acbe4 GS |
2047 | #ifdef MACOS_TRADITIONAL |
2048 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
2049 | #else | |
f4c556ac | 2050 | if (PL_doextract) { |
bf4acbe4 | 2051 | #endif |
6224f72b | 2052 | find_beginning(); |
dd374669 | 2053 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
f4c556ac GS |
2054 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); |
2055 | ||
2056 | } | |
6224f72b | 2057 | |
561b68a9 | 2058 | PL_main_cv = PL_compcv = (CV*)newSV(0); |
3280af22 NIS |
2059 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); |
2060 | CvUNIQUE_on(PL_compcv); | |
2061 | ||
dd2155a4 | 2062 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 2063 | #ifdef USE_5005THREADS |
533c011a | 2064 | CvOWNER(PL_compcv) = 0; |
a02a5408 | 2065 | Newx(CvMUTEXP(PL_compcv), 1, perl_mutex); |
533c011a | 2066 | MUTEX_INIT(CvMUTEXP(PL_compcv)); |
4d1ff10f | 2067 | #endif /* USE_5005THREADS */ |
6224f72b | 2068 | |
0c4f7ff0 | 2069 | boot_core_PerlIO(); |
6224f72b | 2070 | boot_core_UNIVERSAL(); |
09bef843 | 2071 | boot_core_xsutils(); |
6224f72b GS |
2072 | |
2073 | if (xsinit) | |
acfe0abc | 2074 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2075 | #ifndef PERL_MICRO |
d0d72822 | 2076 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2077 | init_os_extras(); |
6224f72b | 2078 | #endif |
64ca3a65 | 2079 | #endif |
6224f72b | 2080 | |
29209bc5 | 2081 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2082 | # ifdef HAS_SOCKS5_INIT |
2083 | socks5_init(argv[0]); | |
2084 | # else | |
29209bc5 | 2085 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2086 | # endif |
ac27b0f5 | 2087 | #endif |
29209bc5 | 2088 | |
6224f72b GS |
2089 | init_predump_symbols(); |
2090 | /* init_postdump_symbols not currently designed to be called */ | |
2091 | /* more than once (ENV isn't cleared first, for example) */ | |
2092 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2093 | if (!PL_do_undump) |
6224f72b GS |
2094 | init_postdump_symbols(argc,argv,env); |
2095 | ||
27da23d5 JH |
2096 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2097 | * or explicitly in some platforms. | |
085a54d9 | 2098 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2099 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2100 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2101 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2102 | #endif | |
06e66572 JH |
2103 | if (PL_unicode) { |
2104 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2105 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2106 | IO* io; |
2107 | PerlIO* fp; | |
2108 | SV* sv; | |
2109 | ||
a05d7ebb | 2110 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2111 | * and the default open disciplines. */ |
a05d7ebb JH |
2112 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2113 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2114 | (fp = IoIFP(io))) | |
2115 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2116 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2117 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2118 | (fp = IoOFP(io))) | |
2119 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2120 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2121 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2122 | (fp = IoOFP(io))) | |
2123 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2124 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
5c1737d1 | 2125 | (sv = GvSV(gv_fetchpvs("\017PEN", TRUE, SVt_PV)))) { |
a05d7ebb JH |
2126 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2127 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2128 | if (in) { | |
2129 | if (out) | |
2130 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
2131 | else | |
2132 | sv_setpvn(sv, ":utf8\0", 6); | |
2133 | } | |
2134 | else if (out) | |
2135 | sv_setpvn(sv, "\0:utf8", 6); | |
2136 | SvSETMAGIC(sv); | |
2137 | } | |
b310b053 JH |
2138 | } |
2139 | } | |
2140 | ||
4ffa73a3 JH |
2141 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2142 | if (strEQ(s, "unsafe")) | |
2143 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2144 | else if (strEQ(s, "safe")) | |
2145 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2146 | else | |
2147 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2148 | } | |
2149 | ||
6224f72b GS |
2150 | init_lexer(); |
2151 | ||
2152 | /* now parse the script */ | |
2153 | ||
93189314 | 2154 | SETERRNO(0,SS_NORMAL); |
3280af22 | 2155 | PL_error_count = 0; |
bf4acbe4 GS |
2156 | #ifdef MACOS_TRADITIONAL |
2157 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
2158 | if (PL_minus_c) | |
2159 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
2160 | else { | |
2161 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
2162 | MacPerl_MPWFileName(PL_origfilename)); | |
2163 | } | |
2164 | } | |
2165 | #else | |
3280af22 NIS |
2166 | if (yyparse() || PL_error_count) { |
2167 | if (PL_minus_c) | |
cea2e8a9 | 2168 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2169 | else { |
cea2e8a9 | 2170 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2171 | PL_origfilename); |
6224f72b GS |
2172 | } |
2173 | } | |
bf4acbe4 | 2174 | #endif |
57843af0 | 2175 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
2176 | PL_curstash = PL_defstash; |
2177 | PL_preprocess = FALSE; | |
2178 | if (PL_e_script) { | |
2179 | SvREFCNT_dec(PL_e_script); | |
2180 | PL_e_script = Nullsv; | |
6224f72b GS |
2181 | } |
2182 | ||
3280af22 | 2183 | if (PL_do_undump) |
6224f72b GS |
2184 | my_unexec(); |
2185 | ||
57843af0 GS |
2186 | if (isWARN_ONCE) { |
2187 | SAVECOPFILE(PL_curcop); | |
2188 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2189 | gv_check(PL_defstash); |
57843af0 | 2190 | } |
6224f72b GS |
2191 | |
2192 | LEAVE; | |
2193 | FREETMPS; | |
2194 | ||
2195 | #ifdef MYMALLOC | |
2196 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
2197 | dump_mstats("after compilation:"); | |
2198 | #endif | |
2199 | ||
2200 | ENTER; | |
3280af22 | 2201 | PL_restartop = 0; |
312caa8e | 2202 | return NULL; |
6224f72b GS |
2203 | } |
2204 | ||
954c1994 GS |
2205 | /* |
2206 | =for apidoc perl_run | |
2207 | ||
2208 | Tells a Perl interpreter to run. See L<perlembed>. | |
2209 | ||
2210 | =cut | |
2211 | */ | |
2212 | ||
6224f72b | 2213 | int |
0cb96387 | 2214 | perl_run(pTHXx) |
6224f72b | 2215 | { |
97aff369 | 2216 | dVAR; |
6224f72b | 2217 | I32 oldscope; |
14dd3ad8 | 2218 | int ret = 0; |
db36c5a1 | 2219 | dJMPENV; |
6224f72b | 2220 | |
9d4ba2ae AL |
2221 | PERL_UNUSED_ARG(my_perl); |
2222 | ||
3280af22 | 2223 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2224 | #ifdef VMS |
2225 | VMSISH_HUSHED = 0; | |
2226 | #endif | |
6224f72b | 2227 | |
14dd3ad8 | 2228 | JMPENV_PUSH(ret); |
6224f72b GS |
2229 | switch (ret) { |
2230 | case 1: | |
2231 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2232 | goto redo_body; |
14dd3ad8 | 2233 | case 0: /* normal completion */ |
14dd3ad8 GS |
2234 | redo_body: |
2235 | run_body(oldscope); | |
14dd3ad8 GS |
2236 | /* FALL THROUGH */ |
2237 | case 2: /* my_exit() */ | |
3280af22 | 2238 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2239 | LEAVE; |
2240 | FREETMPS; | |
3280af22 | 2241 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2242 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
2243 | PL_endav && !PL_minus_c) |
2244 | call_list(oldscope, PL_endav); | |
6224f72b GS |
2245 | #ifdef MYMALLOC |
2246 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2247 | dump_mstats("after execution: "); | |
2248 | #endif | |
37038d91 | 2249 | ret = STATUS_EXIT; |
14dd3ad8 | 2250 | break; |
6224f72b | 2251 | case 3: |
312caa8e CS |
2252 | if (PL_restartop) { |
2253 | POPSTACK_TO(PL_mainstack); | |
2254 | goto redo_body; | |
6224f72b | 2255 | } |
bf49b057 | 2256 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2257 | FREETMPS; |
14dd3ad8 GS |
2258 | ret = 1; |
2259 | break; | |
6224f72b GS |
2260 | } |
2261 | ||
14dd3ad8 GS |
2262 | JMPENV_POP; |
2263 | return ret; | |
312caa8e CS |
2264 | } |
2265 | ||
14dd3ad8 | 2266 | |
dd374669 | 2267 | STATIC void |
14dd3ad8 GS |
2268 | S_run_body(pTHX_ I32 oldscope) |
2269 | { | |
97aff369 | 2270 | dVAR; |
6224f72b | 2271 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2272 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2273 | |
3280af22 | 2274 | if (!PL_restartop) { |
6224f72b | 2275 | DEBUG_x(dump_all()); |
cf2782cd | 2276 | #ifdef DEBUGGING |
ecae49c0 NC |
2277 | if (!DEBUG_q_TEST) |
2278 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2279 | #endif |
b900a521 JH |
2280 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
2281 | PTR2UV(thr))); | |
6224f72b | 2282 | |
3280af22 | 2283 | if (PL_minus_c) { |
bf4acbe4 | 2284 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
2285 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
2286 | (gMacPerl_ErrorFormat ? "# " : ""), | |
2287 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 2288 | #else |
bf49b057 | 2289 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 2290 | #endif |
6224f72b GS |
2291 | my_exit(0); |
2292 | } | |
3280af22 | 2293 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2294 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
2295 | if (PL_initav) |
2296 | call_list(oldscope, PL_initav); | |
6224f72b GS |
2297 | } |
2298 | ||
2299 | /* do it */ | |
2300 | ||
3280af22 | 2301 | if (PL_restartop) { |
533c011a | 2302 | PL_op = PL_restartop; |
3280af22 | 2303 | PL_restartop = 0; |
cea2e8a9 | 2304 | CALLRUNOPS(aTHX); |
6224f72b | 2305 | } |
3280af22 NIS |
2306 | else if (PL_main_start) { |
2307 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2308 | PL_op = PL_main_start; |
cea2e8a9 | 2309 | CALLRUNOPS(aTHX); |
6224f72b | 2310 | } |
f6b3007c JH |
2311 | my_exit(0); |
2312 | /* NOTREACHED */ | |
6224f72b GS |
2313 | } |
2314 | ||
954c1994 | 2315 | /* |
ccfc67b7 JH |
2316 | =head1 SV Manipulation Functions |
2317 | ||
954c1994 GS |
2318 | =for apidoc p||get_sv |
2319 | ||
2320 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
2321 | Perl variable does not exist then it will be created. If C<create> is not | |
2322 | set and the variable does not exist then NULL is returned. | |
2323 | ||
2324 | =cut | |
2325 | */ | |
2326 | ||
6224f72b | 2327 | SV* |
864dbfa3 | 2328 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
2329 | { |
2330 | GV *gv; | |
4d1ff10f | 2331 | #ifdef USE_5005THREADS |
6224f72b GS |
2332 | if (name[1] == '\0' && !isALPHA(name[0])) { |
2333 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 2334 | if (tmp != NOT_IN_PAD) |
6224f72b | 2335 | return THREADSV(tmp); |
6224f72b | 2336 | } |
4d1ff10f | 2337 | #endif /* USE_5005THREADS */ |
6224f72b GS |
2338 | gv = gv_fetchpv(name, create, SVt_PV); |
2339 | if (gv) | |
2340 | return GvSV(gv); | |
2341 | return Nullsv; | |
2342 | } | |
2343 | ||
954c1994 | 2344 | /* |
ccfc67b7 JH |
2345 | =head1 Array Manipulation Functions |
2346 | ||
954c1994 GS |
2347 | =for apidoc p||get_av |
2348 | ||
2349 | Returns the AV of the specified Perl array. If C<create> is set and the | |
2350 | Perl variable does not exist then it will be created. If C<create> is not | |
2351 | set and the variable does not exist then NULL is returned. | |
2352 | ||
2353 | =cut | |
2354 | */ | |
2355 | ||
6224f72b | 2356 | AV* |
864dbfa3 | 2357 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b | 2358 | { |
c4420975 | 2359 | GV* const gv = gv_fetchpv(name, create, SVt_PVAV); |
6224f72b GS |
2360 | if (create) |
2361 | return GvAVn(gv); | |
2362 | if (gv) | |
2363 | return GvAV(gv); | |
7d49f689 | 2364 | return NULL; |
6224f72b GS |
2365 | } |
2366 | ||
954c1994 | 2367 | /* |
ccfc67b7 JH |
2368 | =head1 Hash Manipulation Functions |
2369 | ||
954c1994 GS |
2370 | =for apidoc p||get_hv |
2371 | ||
2372 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
2373 | Perl variable does not exist then it will be created. If C<create> is not | |
2374 | set and the variable does not exist then NULL is returned. | |
2375 | ||
2376 | =cut | |
2377 | */ | |
2378 | ||
6224f72b | 2379 | HV* |
864dbfa3 | 2380 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 2381 | { |
890ce7af | 2382 | GV* const gv = gv_fetchpv(name, create, SVt_PVHV); |
a0d0e21e LW |
2383 | if (create) |
2384 | return GvHVn(gv); | |
2385 | if (gv) | |
2386 | return GvHV(gv); | |
5c284bb0 | 2387 | return NULL; |
a0d0e21e LW |
2388 | } |
2389 | ||
954c1994 | 2390 | /* |
ccfc67b7 JH |
2391 | =head1 CV Manipulation Functions |
2392 | ||
954c1994 GS |
2393 | =for apidoc p||get_cv |
2394 | ||
2395 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
2396 | the Perl subroutine does not exist then it will be declared (which has the | |
2397 | same effect as saying C<sub name;>). If C<create> is not set and the | |
2398 | subroutine does not exist then NULL is returned. | |
2399 | ||
2400 | =cut | |
2401 | */ | |
2402 | ||
a0d0e21e | 2403 | CV* |
864dbfa3 | 2404 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e | 2405 | { |
c4420975 | 2406 | GV* const gv = gv_fetchpv(name, create, SVt_PVCV); |
b099ddc0 | 2407 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
2408 | /* XXX this is probably not what they think they're getting. |
2409 | * It has the same effect as "sub name;", i.e. just a forward | |
2410 | * declaration! */ | |
8ebc5c01 | 2411 | if (create && !GvCVu(gv)) |
774d564b | 2412 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 2413 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 2414 | Nullop, |
a0d0e21e LW |
2415 | Nullop); |
2416 | if (gv) | |
8ebc5c01 | 2417 | return GvCVu(gv); |
a0d0e21e LW |
2418 | return Nullcv; |
2419 | } | |
2420 | ||
79072805 LW |
2421 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2422 | ||
954c1994 | 2423 | /* |
ccfc67b7 JH |
2424 | |
2425 | =head1 Callback Functions | |
2426 | ||
954c1994 GS |
2427 | =for apidoc p||call_argv |
2428 | ||
2429 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2430 | ||
2431 | =cut | |
2432 | */ | |
2433 | ||
a0d0e21e | 2434 | I32 |
8f42b153 | 2435 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2436 | |
8ac85365 NIS |
2437 | /* See G_* flags in cop.h */ |
2438 | /* null terminated arg list */ | |
8990e307 | 2439 | { |
97aff369 | 2440 | dVAR; |
a0d0e21e | 2441 | dSP; |
8990e307 | 2442 | |
924508f0 | 2443 | PUSHMARK(SP); |
a0d0e21e | 2444 | if (argv) { |
8990e307 | 2445 | while (*argv) { |
a0d0e21e | 2446 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
2447 | argv++; |
2448 | } | |
a0d0e21e | 2449 | PUTBACK; |
8990e307 | 2450 | } |
864dbfa3 | 2451 | return call_pv(sub_name, flags); |
8990e307 LW |
2452 | } |
2453 | ||
954c1994 GS |
2454 | /* |
2455 | =for apidoc p||call_pv | |
2456 | ||
2457 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2458 | ||
2459 | =cut | |
2460 | */ | |
2461 | ||
a0d0e21e | 2462 | I32 |
864dbfa3 | 2463 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2464 | /* name of the subroutine */ |
2465 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2466 | { |
864dbfa3 | 2467 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
2468 | } |
2469 | ||
954c1994 GS |
2470 | /* |
2471 | =for apidoc p||call_method | |
2472 | ||
2473 | Performs a callback to the specified Perl method. The blessed object must | |
2474 | be on the stack. See L<perlcall>. | |
2475 | ||
2476 | =cut | |
2477 | */ | |
2478 | ||
a0d0e21e | 2479 | I32 |
864dbfa3 | 2480 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2481 | /* name of the subroutine */ |
2482 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2483 | { |
968b3946 | 2484 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
2485 | } |
2486 | ||
2487 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2488 | /* |
2489 | =for apidoc p||call_sv | |
2490 | ||
2491 | Performs a callback to the Perl sub whose name is in the SV. See | |
2492 | L<perlcall>. | |
2493 | ||
2494 | =cut | |
2495 | */ | |
2496 | ||
a0d0e21e | 2497 | I32 |
864dbfa3 | 2498 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 2499 | /* See G_* flags in cop.h */ |
a0d0e21e | 2500 | { |
27da23d5 | 2501 | dVAR; dSP; |
a0d0e21e | 2502 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2503 | UNOP method_op; |
aa689395 | 2504 | I32 oldmark; |
13689cfe | 2505 | volatile I32 retval = 0; |
a0d0e21e | 2506 | I32 oldscope; |
54310121 | 2507 | bool oldcatch = CATCH_GET; |
6224f72b | 2508 | int ret; |
c4420975 | 2509 | OP* const oldop = PL_op; |
db36c5a1 | 2510 | dJMPENV; |
1e422769 | 2511 | |
a0d0e21e LW |
2512 | if (flags & G_DISCARD) { |
2513 | ENTER; | |
2514 | SAVETMPS; | |
2515 | } | |
2516 | ||
aa689395 | 2517 | Zero(&myop, 1, LOGOP); |
54310121 | 2518 | myop.op_next = Nullop; |
f51d4af5 | 2519 | if (!(flags & G_NOARGS)) |
aa689395 | 2520 | myop.op_flags |= OPf_STACKED; |
54310121 | 2521 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2522 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2523 | OPf_WANT_SCALAR); | |
462e5cf6 | 2524 | SAVEOP(); |
533c011a | 2525 | PL_op = (OP*)&myop; |
aa689395 | 2526 | |
3280af22 NIS |
2527 | EXTEND(PL_stack_sp, 1); |
2528 | *++PL_stack_sp = sv; | |
aa689395 | 2529 | oldmark = TOPMARK; |
3280af22 | 2530 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2531 | |
3280af22 | 2532 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2533 | /* Handle first BEGIN of -d. */ |
3280af22 | 2534 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2535 | /* Try harder, since this may have been a sighandler, thus |
2536 | * curstash may be meaningless. */ | |
3280af22 | 2537 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 2538 | && !(flags & G_NODEBUG)) |
533c011a | 2539 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2540 | |
968b3946 GS |
2541 | if (flags & G_METHOD) { |
2542 | Zero(&method_op, 1, UNOP); | |
2543 | method_op.op_next = PL_op; | |
2544 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
2545 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 2546 | PL_op = (OP*)&method_op; |
968b3946 GS |
2547 | } |
2548 | ||
312caa8e | 2549 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2550 | CATCH_SET(TRUE); |
14dd3ad8 | 2551 | call_body((OP*)&myop, FALSE); |
312caa8e | 2552 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2553 | CATCH_SET(oldcatch); |
312caa8e CS |
2554 | } |
2555 | else { | |
d78bda3d | 2556 | myop.op_other = (OP*)&myop; |
3280af22 | 2557 | PL_markstack_ptr--; |
4633a7c4 LW |
2558 | /* we're trying to emulate pp_entertry() here */ |
2559 | { | |
c09156bb | 2560 | register PERL_CONTEXT *cx; |
f54cb97a | 2561 | const I32 gimme = GIMME_V; |
ac27b0f5 | 2562 | |
4633a7c4 LW |
2563 | ENTER; |
2564 | SAVETMPS; | |
ac27b0f5 | 2565 | |
1d76a5c3 | 2566 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 2567 | PUSHEVAL(cx, 0, 0); |
533c011a | 2568 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 2569 | |
faef0170 | 2570 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 2571 | if (flags & G_KEEPERR) |
faef0170 | 2572 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 2573 | else |
c69006e4 | 2574 | sv_setpvn(ERRSV,"",0); |
4633a7c4 | 2575 | } |
3280af22 | 2576 | PL_markstack_ptr++; |
a0d0e21e | 2577 | |
14dd3ad8 | 2578 | JMPENV_PUSH(ret); |
6224f72b GS |
2579 | switch (ret) { |
2580 | case 0: | |
14dd3ad8 GS |
2581 | redo_body: |
2582 | call_body((OP*)&myop, FALSE); | |
312caa8e CS |
2583 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2584 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2585 | sv_setpvn(ERRSV,"",0); |
a0d0e21e | 2586 | break; |
6224f72b | 2587 | case 1: |
f86702cc | 2588 | STATUS_ALL_FAILURE; |
a0d0e21e | 2589 | /* FALL THROUGH */ |
6224f72b | 2590 | case 2: |
a0d0e21e | 2591 | /* my_exit() was called */ |
3280af22 | 2592 | PL_curstash = PL_defstash; |
a0d0e21e | 2593 | FREETMPS; |
14dd3ad8 | 2594 | JMPENV_POP; |
cc3604b1 | 2595 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2596 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2597 | my_exit_jump(); |
a0d0e21e | 2598 | /* NOTREACHED */ |
6224f72b | 2599 | case 3: |
3280af22 | 2600 | if (PL_restartop) { |
533c011a | 2601 | PL_op = PL_restartop; |
3280af22 | 2602 | PL_restartop = 0; |
312caa8e | 2603 | goto redo_body; |
a0d0e21e | 2604 | } |
3280af22 | 2605 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2606 | if (flags & G_ARRAY) |
2607 | retval = 0; | |
2608 | else { | |
2609 | retval = 1; | |
3280af22 | 2610 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2611 | } |
312caa8e | 2612 | break; |
a0d0e21e | 2613 | } |
a0d0e21e | 2614 | |
3280af22 | 2615 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
2616 | SV **newsp; |
2617 | PMOP *newpm; | |
2618 | I32 gimme; | |
c09156bb | 2619 | register PERL_CONTEXT *cx; |
a0a2876f LW |
2620 | I32 optype; |
2621 | ||
2622 | POPBLOCK(cx,newpm); | |
2623 | POPEVAL(cx); | |
3280af22 | 2624 | PL_curpm = newpm; |
a0a2876f | 2625 | LEAVE; |
9d4ba2ae AL |
2626 | PERL_UNUSED_VAR(newsp); |
2627 | PERL_UNUSED_VAR(gimme); | |
2628 | PERL_UNUSED_VAR(optype); | |
a0d0e21e | 2629 | } |
14dd3ad8 | 2630 | JMPENV_POP; |
a0d0e21e | 2631 | } |
1e422769 | 2632 | |
a0d0e21e | 2633 | if (flags & G_DISCARD) { |
3280af22 | 2634 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2635 | retval = 0; |
2636 | FREETMPS; | |
2637 | LEAVE; | |
2638 | } | |
533c011a | 2639 | PL_op = oldop; |
a0d0e21e LW |
2640 | return retval; |
2641 | } | |
2642 | ||
312caa8e | 2643 | STATIC void |
dd374669 | 2644 | S_call_body(pTHX_ const OP *myop, bool is_eval) |
312caa8e | 2645 | { |
97aff369 | 2646 | dVAR; |
312caa8e CS |
2647 | if (PL_op == myop) { |
2648 | if (is_eval) | |
f807eda9 | 2649 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 2650 | else |
f807eda9 | 2651 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
2652 | } |
2653 | if (PL_op) | |
cea2e8a9 | 2654 | CALLRUNOPS(aTHX); |
312caa8e CS |
2655 | } |
2656 | ||
6e72f9df | 2657 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2658 | |
954c1994 GS |
2659 | /* |
2660 | =for apidoc p||eval_sv | |
2661 | ||
2662 | Tells Perl to C<eval> the string in the SV. | |
2663 | ||
2664 | =cut | |
2665 | */ | |
2666 | ||
a0d0e21e | 2667 | I32 |
864dbfa3 | 2668 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2669 | |
8ac85365 | 2670 | /* See G_* flags in cop.h */ |
a0d0e21e | 2671 | { |
97aff369 | 2672 | dVAR; |
924508f0 | 2673 | dSP; |
a0d0e21e | 2674 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 2675 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 2676 | volatile I32 retval = 0; |
6224f72b | 2677 | int ret; |
c4420975 | 2678 | OP* const oldop = PL_op; |
db36c5a1 | 2679 | dJMPENV; |
84902520 | 2680 | |
4633a7c4 LW |
2681 | if (flags & G_DISCARD) { |
2682 | ENTER; | |
2683 | SAVETMPS; | |
2684 | } | |
2685 | ||
462e5cf6 | 2686 | SAVEOP(); |
533c011a NIS |
2687 | PL_op = (OP*)&myop; |
2688 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2689 | EXTEND(PL_stack_sp, 1); |
2690 | *++PL_stack_sp = sv; | |
79072805 | 2691 | |
4633a7c4 LW |
2692 | if (!(flags & G_NOARGS)) |
2693 | myop.op_flags = OPf_STACKED; | |
79072805 | 2694 | myop.op_next = Nullop; |
6e72f9df | 2695 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2696 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2697 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2698 | OPf_WANT_SCALAR); | |
6e72f9df | 2699 | if (flags & G_KEEPERR) |
2700 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2701 | |
dedbcade DM |
2702 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2703 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2704 | TAINT_PROPER("eval_sv()"); | |
2705 | ||
14dd3ad8 | 2706 | JMPENV_PUSH(ret); |
6224f72b GS |
2707 | switch (ret) { |
2708 | case 0: | |
14dd3ad8 GS |
2709 | redo_body: |
2710 | call_body((OP*)&myop,TRUE); | |
312caa8e CS |
2711 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2712 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2713 | sv_setpvn(ERRSV,"",0); |
4633a7c4 | 2714 | break; |
6224f72b | 2715 | case 1: |
f86702cc | 2716 | STATUS_ALL_FAILURE; |
4633a7c4 | 2717 | /* FALL THROUGH */ |
6224f72b | 2718 | case 2: |
4633a7c4 | 2719 | /* my_exit() was called */ |
3280af22 | 2720 | PL_curstash = PL_defstash; |
4633a7c4 | 2721 | FREETMPS; |
14dd3ad8 | 2722 | JMPENV_POP; |
cc3604b1 | 2723 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2724 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2725 | my_exit_jump(); |
4633a7c4 | 2726 | /* NOTREACHED */ |
6224f72b | 2727 | case 3: |
3280af22 | 2728 | if (PL_restartop) { |
533c011a | 2729 | PL_op = PL_restartop; |
3280af22 | 2730 | PL_restartop = 0; |
312caa8e | 2731 | goto redo_body; |
4633a7c4 | 2732 | } |
3280af22 | 2733 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2734 | if (flags & G_ARRAY) |
2735 | retval = 0; | |
2736 | else { | |
2737 | retval = 1; | |
3280af22 | 2738 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2739 | } |
312caa8e | 2740 | break; |
4633a7c4 LW |
2741 | } |
2742 | ||
14dd3ad8 | 2743 | JMPENV_POP; |
4633a7c4 | 2744 | if (flags & G_DISCARD) { |
3280af22 | 2745 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2746 | retval = 0; |
2747 | FREETMPS; | |
2748 | LEAVE; | |
2749 | } | |
533c011a | 2750 | PL_op = oldop; |
4633a7c4 LW |
2751 | return retval; |
2752 | } | |
2753 | ||
954c1994 GS |
2754 | /* |
2755 | =for apidoc p||eval_pv | |
2756 | ||
2757 | Tells Perl to C<eval> the given string and return an SV* result. | |
2758 | ||
2759 | =cut | |
2760 | */ | |
2761 | ||
137443ea | 2762 | SV* |
864dbfa3 | 2763 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2764 | { |
97aff369 | 2765 | dVAR; |
137443ea | 2766 | dSP; |
2767 | SV* sv = newSVpv(p, 0); | |
2768 | ||
864dbfa3 | 2769 | eval_sv(sv, G_SCALAR); |
137443ea | 2770 | SvREFCNT_dec(sv); |
2771 | ||
2772 | SPAGAIN; | |
2773 | sv = POPs; | |
2774 | PUTBACK; | |
2775 | ||
2d8e6c8d | 2776 | if (croak_on_error && SvTRUE(ERRSV)) { |
0510663f | 2777 | Perl_croak(aTHX_ SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2778 | } |
137443ea | 2779 | |
2780 | return sv; | |
2781 | } | |
2782 | ||
4633a7c4 LW |
2783 | /* Require a module. */ |
2784 | ||
954c1994 | 2785 | /* |
ccfc67b7 JH |
2786 | =head1 Embedding Functions |
2787 | ||
954c1994 GS |
2788 | =for apidoc p||require_pv |
2789 | ||
7d3fb230 BS |
2790 | Tells Perl to C<require> the file named by the string argument. It is |
2791 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2792 | implemented that way; consider using load_module instead. |
954c1994 | 2793 | |
7d3fb230 | 2794 | =cut */ |
954c1994 | 2795 | |
4633a7c4 | 2796 | void |
864dbfa3 | 2797 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2798 | { |
97aff369 | 2799 | dVAR; |
d3acc0f7 | 2800 | dSP; |
97aff369 | 2801 | SV* sv; |
e788e7d3 | 2802 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2803 | PUTBACK; |
be41e5d9 NC |
2804 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2805 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2806 | SPAGAIN; |
2807 | POPSTACK; | |
79072805 LW |
2808 | } |
2809 | ||
79072805 | 2810 | void |
e1ec3a88 | 2811 | Perl_magicname(pTHX_ const char *sym, const char *name, I32 namlen) |
79072805 | 2812 | { |
c4420975 | 2813 | register GV * const gv = gv_fetchpv(sym,TRUE, SVt_PV); |
79072805 | 2814 | |
c4420975 | 2815 | if (gv) |
14befaf4 | 2816 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2817 | } |
2818 | ||
76e3520e | 2819 | STATIC void |
e1ec3a88 | 2820 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2821 | { |
ab821d7f | 2822 | /* This message really ought to be max 23 lines. |
75c72d73 | 2823 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2824 | |
27da23d5 | 2825 | static const char * const usage_msg[] = { |
aefc56c5 SF |
2826 | "-0[octal] specify record separator (\\0, if no argument)", |
2827 | "-A[mod][=pattern] activate all/given assertions", | |
2828 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
2829 | "-C[number/list] enables the listed Unicode features", | |
2830 | "-c check syntax only (runs BEGIN and CHECK blocks)", | |
2831 | "-d[:debugger] run program under debugger", | |
2832 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2833 | "-e program one line of program (several -e's allowed, omit programfile)", | |
bc9b29db | 2834 | "-E program like -e, but enables all optional features", |
aefc56c5 | 2835 | "-f don't do $sitelib/sitecustomize.pl at startup", |
aefc56c5 SF |
2836 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", |
2837 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2838 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
2839 | "-l[octal] enable line ending processing, specifies line terminator", | |
2840 | "-[mM][-]module execute \"use/no module...\" before executing program", | |
2841 | "-n assume \"while (<>) { ... }\" loop around program", | |
2842 | "-p assume loop like -n but print line also, like sed", | |
2843 | "-P run program through C preprocessor before compilation", | |
2844 | "-s enable rudimentary parsing for switches after programfile", | |
2845 | "-S look for programfile using PATH environment variable", | |
2846 | "-t enable tainting warnings", | |
2847 | "-T enable tainting checks", | |
2848 | "-u dump core after parsing program", | |
2849 | "-U allow unsafe operations", | |
2850 | "-v print version, subversion (includes VERY IMPORTANT perl info)", | |
2851 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2852 | "-w enable many useful warnings (RECOMMENDED)", | |
2853 | "-W enable all warnings", | |
2854 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
2855 | "-X disable all warnings", | |
fb73857a | 2856 | "\n", |
2857 | NULL | |
2858 | }; | |
27da23d5 | 2859 | const char * const *p = usage_msg; |
fb73857a | 2860 | |
b0e47665 GS |
2861 | PerlIO_printf(PerlIO_stdout(), |
2862 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2863 | name); | |
fb73857a | 2864 | while (*p) |
b0e47665 | 2865 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2866 | } |
2867 | ||
b4ab917c DM |
2868 | /* convert a string of -D options (or digits) into an int. |
2869 | * sets *s to point to the char after the options */ | |
2870 | ||
2871 | #ifdef DEBUGGING | |
2872 | int | |
e1ec3a88 | 2873 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2874 | { |
27da23d5 | 2875 | static const char * const usage_msgd[] = { |
e6e64d9b JC |
2876 | " Debugging flag values: (see also -d)", |
2877 | " p Tokenizing and parsing (with v, displays parse stack)", | |
3679267a | 2878 | " s Stack snapshots (with v, displays all stacks)", |
e6e64d9b JC |
2879 | " l Context (loop) stack processing", |
2880 | " t Trace execution", | |
2881 | " o Method and overloading resolution", | |
2882 | " c String/numeric conversions", | |
2883 | " P Print profiling info, preprocessor command for -P, source file input state", | |
2884 | " m Memory allocation", | |
2885 | " f Format processing", | |
2886 | " r Regular expression parsing and execution", | |
2887 | " x Syntax tree dump", | |
3679267a | 2888 | " u Tainting checks", |
e6e64d9b JC |
2889 | " H Hash dump -- usurps values()", |
2890 | " X Scratchpad allocation", | |
2891 | " D Cleaning up", | |
2892 | " S Thread synchronization", | |
2893 | " T Tokenising", | |
2894 | " R Include reference counts of dumped variables (eg when using -Ds)", | |
2895 | " J Do not s,t,P-debug (Jump over) opcodes within package DB", | |
2896 | " v Verbose: use in conjunction with other flags", | |
2897 | " C Copy On Write", | |
2898 | " A Consistency checks on internal structures", | |
3679267a | 2899 | " q quiet - currently only suppresses the 'EXECUTING' message", |
e6e64d9b JC |
2900 | NULL |
2901 | }; | |
b4ab917c DM |
2902 | int i = 0; |
2903 | if (isALPHA(**s)) { | |
2904 | /* if adding extra options, remember to update DEBUG_MASK */ | |
bfed75c6 | 2905 | static const char debopts[] = "psltocPmfrxu HXDSTRJvCAq"; |
b4ab917c DM |
2906 | |
2907 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2908 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2909 | if (d) |
2910 | i |= 1 << (d - debopts); | |
2911 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2912 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2913 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2914 | } |
2915 | } | |
e6e64d9b | 2916 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2917 | i = atoi(*s); |
2918 | for (; isALNUM(**s); (*s)++) ; | |
2919 | } | |
ddcf8bc1 | 2920 | else if (givehelp) { |
06e869a4 | 2921 | const char *const *p = usage_msgd; |
e6e64d9b JC |
2922 | while (*p) PerlIO_printf(PerlIO_stdout(), "%s\n", *p++); |
2923 | } | |
b4ab917c DM |
2924 | # ifdef EBCDIC |
2925 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2926 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2927 | "-Dp not implemented on this platform\n"); | |
2928 | # endif | |
2929 | return i; | |
2930 | } | |
2931 | #endif | |
2932 | ||
79072805 LW |
2933 | /* This routine handles any switches that can be given during run */ |
2934 | ||
2935 | char * | |
864dbfa3 | 2936 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2937 | { |
27da23d5 | 2938 | dVAR; |
84c133a0 | 2939 | UV rschar; |
79072805 LW |
2940 | |
2941 | switch (*s) { | |
2942 | case '0': | |
a863c7d1 | 2943 | { |
f2095865 | 2944 | I32 flags = 0; |
a3b680e6 | 2945 | STRLEN numlen; |
f2095865 JH |
2946 | |
2947 | SvREFCNT_dec(PL_rs); | |
2948 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 2949 | const char *e = s+=2; |
f2095865 JH |
2950 | U8 *tmps; |
2951 | ||
a3b680e6 AL |
2952 | while (*e) |
2953 | e++; | |
f2095865 JH |
2954 | numlen = e - s; |
2955 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2956 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2957 | if (s + numlen < e) { | |
2958 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2959 | numlen = 0; | |
2960 | s--; | |
2961 | } | |
396482e1 | 2962 | PL_rs = newSVpvs(""); |
c5661c80 | 2963 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2964 | tmps = (U8*)SvPVX(PL_rs); |
2965 | uvchr_to_utf8(tmps, rschar); | |
2966 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2967 | SvUTF8_on(PL_rs); | |
2968 | } | |
2969 | else { | |
2970 | numlen = 4; | |
2971 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2972 | if (rschar & ~((U8)~0)) | |
2973 | PL_rs = &PL_sv_undef; | |
2974 | else if (!rschar && numlen >= 2) | |
396482e1 | 2975 | PL_rs = newSVpvs(""); |
f2095865 JH |
2976 | else { |
2977 | char ch = (char)rschar; | |
2978 | PL_rs = newSVpvn(&ch, 1); | |
2979 | } | |
2980 | } | |
800633c3 | 2981 | sv_setsv(get_sv("/", TRUE), PL_rs); |
f2095865 | 2982 | return s + numlen; |
a863c7d1 | 2983 | } |
46487f74 | 2984 | case 'C': |
a05d7ebb | 2985 | s++; |
dd374669 | 2986 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
46487f74 | 2987 | return s; |
2304df62 | 2988 | case 'F': |
3280af22 | 2989 | PL_minus_F = TRUE; |
ebce5377 RGS |
2990 | PL_splitstr = ++s; |
2991 | while (*s && !isSPACE(*s)) ++s; | |
2992 | *s = '\0'; | |
2993 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2994 | return s; |
79072805 | 2995 | case 'a': |
3280af22 | 2996 | PL_minus_a = TRUE; |
79072805 LW |
2997 | s++; |
2998 | return s; | |
2999 | case 'c': | |
3280af22 | 3000 | PL_minus_c = TRUE; |
79072805 LW |
3001 | s++; |
3002 | return s; | |
3003 | case 'd': | |
bbce6d69 | 3004 | forbid_setid("-d"); |
4633a7c4 | 3005 | s++; |
2cbb2ee1 RGS |
3006 | |
3007 | /* -dt indicates to the debugger that threads will be used */ | |
3008 | if (*s == 't' && !isALNUM(s[1])) { | |
3009 | ++s; | |
3010 | my_setenv("PERL5DB_THREADED", "1"); | |
3011 | } | |
3012 | ||
70c94a19 RR |
3013 | /* The following permits -d:Mod to accepts arguments following an = |
3014 | in the fashion that -MSome::Mod does. */ | |
3015 | if (*s == ':' || *s == '=') { | |
06b5626a | 3016 | const char *start; |
396482e1 | 3017 | SV * const sv = newSVpvs("use Devel::"); |
70c94a19 RR |
3018 | start = ++s; |
3019 | /* We now allow -d:Module=Foo,Bar */ | |
3020 | while(isALNUM(*s) || *s==':') ++s; | |
3021 | if (*s != '=') | |
3022 | sv_catpv(sv, start); | |
3023 | else { | |
3024 | sv_catpvn(sv, start, s-start); | |
0c5a913d | 3025 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q%c%s%c)", 0, ++s, 0); |
70c94a19 | 3026 | } |
4633a7c4 | 3027 | s += strlen(s); |
184f32ec | 3028 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
4633a7c4 | 3029 | } |
ed094faf | 3030 | if (!PL_perldb) { |
3280af22 | 3031 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3032 | init_debugger(); |
ed094faf | 3033 | } |
79072805 LW |
3034 | return s; |
3035 | case 'D': | |
0453d815 | 3036 | { |
79072805 | 3037 | #ifdef DEBUGGING |
bbce6d69 | 3038 | forbid_setid("-D"); |
b4ab917c | 3039 | s++; |
dd374669 | 3040 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3041 | #else /* !DEBUGGING */ |
0453d815 | 3042 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3043 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3044 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3045 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3046 | #endif |
79072805 | 3047 | return s; |
0453d815 | 3048 | } |
4633a7c4 | 3049 | case 'h': |
ac27b0f5 | 3050 | usage(PL_origargv[0]); |
7ca617d0 | 3051 | my_exit(0); |
79072805 | 3052 | case 'i': |
43c5f42d | 3053 | Safefree(PL_inplace); |
c030f24b GH |
3054 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3055 | if (*(s+1) == '\0') { | |
c86a4f2e | 3056 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3057 | return s+1; |
3058 | } | |
3059 | #endif /* __CYGWIN__ */ | |
3280af22 | 3060 | PL_inplace = savepv(s+1); |
a6e20a40 AL |
3061 | for (s = PL_inplace; *s && !isSPACE(*s); s++) |
3062 | ; | |
7b8d334a | 3063 | if (*s) { |
fb73857a | 3064 | *s++ = '\0'; |
7b8d334a GS |
3065 | if (*s == '-') /* Additional switches on #! line. */ |
3066 | s++; | |
3067 | } | |
fb73857a | 3068 | return s; |
4e49a025 | 3069 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 3070 | forbid_setid("-I"); |
fb73857a | 3071 | ++s; |
3072 | while (*s && isSPACE(*s)) | |
3073 | ++s; | |
3074 | if (*s) { | |
774d564b | 3075 | char *e, *p; |
0df16ed7 GS |
3076 | p = s; |
3077 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3078 | do { | |
3079 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3080 | p = e; | |
3081 | while (isSPACE(*p)) | |
3082 | p++; | |
3083 | } while (*p && *p != '-'); | |
3084 | e = savepvn(s, e-s); | |
88fe16b2 | 3085 | incpush(e, TRUE, TRUE, FALSE, FALSE); |
0df16ed7 GS |
3086 | Safefree(e); |
3087 | s = p; | |
3088 | if (*s == '-') | |
3089 | s++; | |
79072805 LW |
3090 | } |
3091 | else | |
a67e862a | 3092 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3093 | return s; |
79072805 | 3094 | case 'l': |
3280af22 | 3095 | PL_minus_l = TRUE; |
79072805 | 3096 | s++; |
7889fe52 NIS |
3097 | if (PL_ors_sv) { |
3098 | SvREFCNT_dec(PL_ors_sv); | |
3099 | PL_ors_sv = Nullsv; | |
3100 | } | |
79072805 | 3101 | if (isDIGIT(*s)) { |
53305cf1 | 3102 | I32 flags = 0; |
a3b680e6 | 3103 | STRLEN numlen; |
396482e1 | 3104 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3105 | numlen = 3 + (*s == '0'); |
3106 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3107 | s += numlen; |
3108 | } | |
3109 | else { | |
8bfdd7d9 | 3110 | if (RsPARA(PL_rs)) { |
396482e1 | 3111 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3112 | } |
3113 | else { | |
8bfdd7d9 | 3114 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3115 | } |
79072805 LW |
3116 | } |
3117 | return s; | |
06492da6 SF |
3118 | case 'A': |
3119 | forbid_setid("-A"); | |
930366bd RGS |
3120 | if (!PL_preambleav) |
3121 | PL_preambleav = newAV(); | |
aefc56c5 SF |
3122 | s++; |
3123 | { | |
44f8325f | 3124 | char * const start = s; |
396482e1 | 3125 | SV * const sv = newSVpvs("use assertions::activate"); |
aefc56c5 SF |
3126 | while(isALNUM(*s) || *s == ':') ++s; |
3127 | if (s != start) { | |
396482e1 | 3128 | sv_catpvs(sv, "::"); |
aefc56c5 SF |
3129 | sv_catpvn(sv, start, s-start); |
3130 | } | |
3131 | if (*s == '=') { | |
0c5a913d | 3132 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q%c%s%c)", 0, ++s, 0); |
aefc56c5 SF |
3133 | s+=strlen(s); |
3134 | } | |
3135 | else if (*s != '\0') { | |
551405c4 | 3136 | Perl_croak(aTHX_ "Can't use '%c' after -A%.*s", *s, (int)(s-start), start); |
aefc56c5 | 3137 | } |
06492da6 | 3138 | av_push(PL_preambleav, sv); |
aefc56c5 | 3139 | return s; |
06492da6 | 3140 | } |
1a30305b | 3141 | case 'M': |
bbce6d69 | 3142 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 3143 | /* FALL THROUGH */ |
3144 | case 'm': | |
bbce6d69 | 3145 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 3146 | if (*++s) { |
a5f75d66 | 3147 | char *start; |
11343788 | 3148 | SV *sv; |
e1ec3a88 | 3149 | const char *use = "use "; |
a5f75d66 | 3150 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3151 | /* Leading space on " no " is deliberate, to make both |
3152 | possibilities the same length. */ | |
3153 | if (*s == '-') { use = " no "; ++s; } | |
3154 | sv = newSVpvn(use,4); | |
a5f75d66 | 3155 | start = s; |
1a30305b | 3156 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 3157 | while(isALNUM(*s) || *s==':') ++s; |
3158 | if (*s != '=') { | |
11343788 | 3159 | sv_catpv(sv, start); |
c07a80fd | 3160 | if (*(start-1) == 'm') { |
3161 | if (*s != '\0') | |
cea2e8a9 | 3162 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3163 | sv_catpvs( sv, " ()"); |
c07a80fd | 3164 | } |
3165 | } else { | |
6df41af2 | 3166 | if (s == start) |
be98fb35 GS |
3167 | Perl_croak(aTHX_ "Module name required with -%c option", |
3168 | s[-1]); | |
11343788 | 3169 | sv_catpvn(sv, start, s-start); |
396482e1 GA |
3170 | sv_catpvs(sv, " split(/,/,q"); |
3171 | sv_catpvs(sv, "\0"); /* Use NUL as q//-delimiter. */ | |
11343788 | 3172 | sv_catpv(sv, ++s); |
396482e1 | 3173 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3174 | } |
1a30305b | 3175 | s += strlen(s); |
5c831c24 | 3176 | if (!PL_preambleav) |
3280af22 NIS |
3177 | PL_preambleav = newAV(); |
3178 | av_push(PL_preambleav, sv); | |
1a30305b | 3179 | } |
3180 | else | |
9e81e6a1 | 3181 | Perl_croak(aTHX_ "Missing argument to -%c", *(s-1)); |
1a30305b | 3182 | return s; |
79072805 | 3183 | case 'n': |
3280af22 | 3184 | PL_minus_n = TRUE; |
79072805 LW |
3185 | s++; |
3186 | return s; | |
3187 | case 'p': | |
3280af22 | 3188 | PL_minus_p = TRUE; |
79072805 LW |
3189 | s++; |
3190 | return s; | |
3191 | case 's': | |
bbce6d69 | 3192 | forbid_setid("-s"); |
3280af22 | 3193 | PL_doswitches = TRUE; |
79072805 LW |
3194 | s++; |
3195 | return s; | |
6537fe72 MS |
3196 | case 't': |
3197 | if (!PL_tainting) | |
22f7c9c9 | 3198 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3199 | s++; |
3200 | return s; | |
463ee0b2 | 3201 | case 'T': |
3280af22 | 3202 | if (!PL_tainting) |
22f7c9c9 | 3203 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3204 | s++; |
3205 | return s; | |
79072805 | 3206 | case 'u': |
bf4acbe4 GS |
3207 | #ifdef MACOS_TRADITIONAL |
3208 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
3209 | #endif | |
3280af22 | 3210 | PL_do_undump = TRUE; |
79072805 LW |
3211 | s++; |
3212 | return s; | |
3213 | case 'U': | |
3280af22 | 3214 | PL_unsafe = TRUE; |
79072805 LW |
3215 | s++; |
3216 | return s; | |
3217 | case 'v': | |
d7aa5382 | 3218 | if (!sv_derived_from(PL_patchlevel, "version")) |
7a5b473e | 3219 | upg_version(PL_patchlevel); |
8e9464f1 | 3220 | #if !defined(DGUX) |
b0e47665 | 3221 | PerlIO_printf(PerlIO_stdout(), |
7850f74c GA |
3222 | Perl_form(aTHX_ "\nThis is perl, %"SVf |
3223 | #ifdef PERL_PATCHNUM | |
3224 | " DEVEL" STRINGIFY(PERL_PATCHNUM) | |
3225 | #endif | |
3226 | " built for %s", | |
d7aa5382 JP |
3227 | vstringify(PL_patchlevel), |
3228 | ARCHNAME)); | |
8e9464f1 JH |
3229 | #else /* DGUX */ |
3230 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3231 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3232 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
d7aa5382 | 3233 | vstringify(PL_patchlevel))); |
8e9464f1 JH |
3234 | PerlIO_printf(PerlIO_stdout(), |
3235 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3236 | OSNAME, __DATE__, __TIME__)); | |
3237 | PerlIO_printf(PerlIO_stdout(), | |
3238 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3239 | OSVERS)); |
8e9464f1 JH |
3240 | #endif /* !DGUX */ |
3241 | ||
fb73857a | 3242 | #if defined(LOCAL_PATCH_COUNT) |
3243 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3244 | PerlIO_printf(PerlIO_stdout(), |
3245 | "\n(with %d registered patch%s, " | |
3246 | "see perl -V for more detail)", | |
3247 | (int)LOCAL_PATCH_COUNT, | |
3248 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 3249 | #endif |
1a30305b | 3250 | |
b0e47665 | 3251 | PerlIO_printf(PerlIO_stdout(), |
3246d7a3 | 3252 | "\n\nCopyright 1987-2006, Larry Wall\n"); |
eae9c151 JH |
3253 | #ifdef MACOS_TRADITIONAL |
3254 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 3255 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 3256 | "maintained by Chris Nandor\n"); |
eae9c151 | 3257 | #endif |
79072805 | 3258 | #ifdef MSDOS |
b0e47665 GS |
3259 | PerlIO_printf(PerlIO_stdout(), |
3260 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3261 | #endif |
3262 | #ifdef DJGPP | |
b0e47665 GS |
3263 | PerlIO_printf(PerlIO_stdout(), |
3264 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3265 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3266 | #endif |
79072805 | 3267 | #ifdef OS2 |
b0e47665 GS |
3268 | PerlIO_printf(PerlIO_stdout(), |
3269 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3270 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3271 | #endif |
79072805 | 3272 | #ifdef atarist |
b0e47665 GS |
3273 | PerlIO_printf(PerlIO_stdout(), |
3274 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3275 | #endif |
a3f9223b | 3276 | #ifdef __BEOS__ |
b0e47665 GS |
3277 | PerlIO_printf(PerlIO_stdout(), |
3278 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3279 | #endif |
1d84e8df | 3280 | #ifdef MPE |
b0e47665 | 3281 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3282 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3283 | #endif |
9d116dd7 | 3284 | #ifdef OEMVS |
b0e47665 GS |
3285 | PerlIO_printf(PerlIO_stdout(), |
3286 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3287 | #endif |
495c5fdc | 3288 | #ifdef __VOS__ |
b0e47665 | 3289 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3290 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3291 | #endif |
092bebab | 3292 | #ifdef __OPEN_VM |
b0e47665 GS |
3293 | PerlIO_printf(PerlIO_stdout(), |
3294 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3295 | #endif |
a1a0e61e | 3296 | #ifdef POSIX_BC |
b0e47665 GS |
3297 | PerlIO_printf(PerlIO_stdout(), |
3298 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3299 | #endif |
61ae2fbf | 3300 | #ifdef __MINT__ |
b0e47665 GS |
3301 | PerlIO_printf(PerlIO_stdout(), |
3302 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 3303 | #endif |
f83d2536 | 3304 | #ifdef EPOC |
b0e47665 | 3305 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3306 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3307 | #endif |
e1caacb4 | 3308 | #ifdef UNDER_CE |
b475b3e6 JH |
3309 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3310 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3311 | wce_hitreturn(); |
3312 | #endif | |
a0fd4948 | 3313 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3314 | PerlIO_printf(PerlIO_stdout(), |
3315 | "Symbian port by Nokia, 2004-2005\n"); | |
3316 | #endif | |
baed7233 DL |
3317 | #ifdef BINARY_BUILD_NOTICE |
3318 | BINARY_BUILD_NOTICE; | |
3319 | #endif | |
b0e47665 GS |
3320 | PerlIO_printf(PerlIO_stdout(), |
3321 | "\n\ | |
79072805 | 3322 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3323 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3324 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3325 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3326 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3327 | my_exit(0); |
79072805 | 3328 | case 'w': |
599cee73 | 3329 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 3330 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
3331 | s++; |
3332 | return s; | |
3333 | case 'W': | |
ac27b0f5 | 3334 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
3335 | if (!specialWARN(PL_compiling.cop_warnings)) |
3336 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 3337 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3338 | s++; |
3339 | return s; | |
3340 | case 'X': | |
ac27b0f5 | 3341 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
3342 | if (!specialWARN(PL_compiling.cop_warnings)) |
3343 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 3344 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3345 | s++; |
3346 | return s; | |
a0d0e21e | 3347 | case '*': |
79072805 LW |
3348 | case ' ': |
3349 | if (s[1] == '-') /* Additional switches on #! line. */ | |
3350 | return s+2; | |
3351 | break; | |
a0d0e21e | 3352 | case '-': |
79072805 | 3353 | case 0: |
51882d45 | 3354 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3355 | case '\r': |
3356 | #endif | |
79072805 LW |
3357 | case '\n': |
3358 | case '\t': | |
3359 | break; | |
aa689395 | 3360 | #ifdef ALTERNATE_SHEBANG |
3361 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3362 | break; | |
3363 | #endif | |
a0d0e21e | 3364 | case 'P': |
3280af22 | 3365 | if (PL_preprocess) |
a0d0e21e LW |
3366 | return s+1; |
3367 | /* FALL THROUGH */ | |
79072805 | 3368 | default: |
cea2e8a9 | 3369 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
3370 | } |
3371 | return Nullch; | |
3372 | } | |
3373 | ||
3374 | /* compliments of Tom Christiansen */ | |
3375 | ||
3376 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3377 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3378 | |
3379 | void | |
864dbfa3 | 3380 | Perl_my_unexec(pTHX) |
79072805 LW |
3381 | { |
3382 | #ifdef UNEXEC | |
46fc3d4c | 3383 | SV* prog; |
3384 | SV* file; | |
ee580363 | 3385 | int status = 1; |
79072805 LW |
3386 | extern int etext; |
3387 | ||
ee580363 | 3388 | prog = newSVpv(BIN_EXP, 0); |
396482e1 | 3389 | sv_catpvs(prog, "/perl"); |
6b88bc9c | 3390 | file = newSVpv(PL_origfilename, 0); |
396482e1 | 3391 | sv_catpvs(file, ".perldump"); |
79072805 | 3392 | |
ee580363 GS |
3393 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3394 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3395 | PerlProc_exit(status); |
79072805 | 3396 | #else |
a5f75d66 AD |
3397 | # ifdef VMS |
3398 | # include <lib$routines.h> | |
3399 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3400 | # elif defined(WIN32) || defined(__CYGWIN__) |
3401 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3402 | # else |
79072805 | 3403 | ABORT(); /* for use with undump */ |
aa689395 | 3404 | # endif |
a5f75d66 | 3405 | #endif |
79072805 LW |
3406 | } |
3407 | ||
cb68f92d GS |
3408 | /* initialize curinterp */ |
3409 | STATIC void | |
cea2e8a9 | 3410 | S_init_interp(pTHX) |
cb68f92d | 3411 | { |
97aff369 | 3412 | dVAR; |
acfe0abc GS |
3413 | #ifdef MULTIPLICITY |
3414 | # define PERLVAR(var,type) | |
3415 | # define PERLVARA(var,n,type) | |
3416 | # if defined(PERL_IMPLICIT_CONTEXT) | |
3417 | # if defined(USE_5005THREADS) | |
3418 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
27da23d5 | 3419 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
3420 | # else /* !USE_5005THREADS */ |
3421 | # define PERLVARI(var,type,init) aTHX->var = init; | |
3422 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3423 | # endif /* USE_5005THREADS */ | |
3967c732 | 3424 | # else |
acfe0abc GS |
3425 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3426 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3427 | # endif |
acfe0abc GS |
3428 | # include "intrpvar.h" |
3429 | # ifndef USE_5005THREADS | |
3430 | # include "thrdvar.h" | |
3431 | # endif | |
3432 | # undef PERLVAR | |
3433 | # undef PERLVARA | |
3434 | # undef PERLVARI | |
3435 | # undef PERLVARIC | |
3436 | #else | |
3437 | # define PERLVAR(var,type) | |
3438 | # define PERLVARA(var,n,type) | |
3439 | # define PERLVARI(var,type,init) PL_##var = init; | |
3440 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3441 | # include "intrpvar.h" | |
3442 | # ifndef USE_5005THREADS | |
3443 | # include "thrdvar.h" | |
3444 | # endif | |
3445 | # undef PERLVAR | |
3446 | # undef PERLVARA | |
3447 | # undef PERLVARI | |
3448 | # undef PERLVARIC | |
cb68f92d GS |
3449 | #endif |
3450 | ||
cb68f92d GS |
3451 | } |
3452 | ||
76e3520e | 3453 | STATIC void |
cea2e8a9 | 3454 | S_init_main_stash(pTHX) |
79072805 | 3455 | { |
97aff369 | 3456 | dVAR; |
463ee0b2 | 3457 | GV *gv; |
6e72f9df | 3458 | |
3280af22 | 3459 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3460 | /* We know that the string "main" will be in the global shared string |
3461 | table, so it's a small saving to use it rather than allocate another | |
3462 | 8 bytes. */ | |
18916d0d | 3463 | PL_curstname = newSVpvs_share("main"); |
5c1737d1 | 3464 | gv = gv_fetchpvs("main::",TRUE, SVt_PVHV); |
23579a14 NC |
3465 | /* If we hadn't caused another reference to "main" to be in the shared |
3466 | string table above, then it would be worth reordering these two, | |
3467 | because otherwise all we do is delete "main" from it as a consequence | |
3468 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3469 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3470 | hv_name_set(PL_defstash, "main", 4, 0); |
3280af22 | 3471 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 3472 | SvREADONLY_on(gv); |
5c1737d1 | 3473 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC",TRUE, SVt_PVAV))); |
5fd80ba5 | 3474 | SvREFCNT_inc(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3475 | GvMULTI_on(PL_incgv); |
5c1737d1 | 3476 | PL_hintgv = gv_fetchpvs("\010",TRUE, SVt_PV); /* ^H */ |
3280af22 | 3477 | GvMULTI_on(PL_hintgv); |
5c1737d1 | 3478 | PL_defgv = gv_fetchpvs("_",TRUE, SVt_PVAV); |
5fd80ba5 | 3479 | SvREFCNT_inc(PL_defgv); |
5c1737d1 | 3480 | PL_errgv = gv_HVadd(gv_fetchpvs("@", TRUE, SVt_PV)); |
5fd80ba5 | 3481 | SvREFCNT_inc(PL_errgv); |
3280af22 | 3482 | GvMULTI_on(PL_errgv); |
5c1737d1 | 3483 | PL_replgv = gv_fetchpvs("\022", TRUE, SVt_PV); /* ^R */ |
3280af22 | 3484 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3485 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3486 | #ifdef PERL_DONT_CREATE_GVSV |
3487 | gv_SVadd(PL_errgv); | |
3488 | #endif | |
38a03e6e MB |
3489 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
3490 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 3491 | PL_curstash = PL_defstash; |
11faa288 | 3492 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3493 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3494 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3495 | SVt_PVHV)); | |
4633a7c4 | 3496 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 3497 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
3498 | } |
3499 | ||
ae3f3efd | 3500 | /* PSz 18 Nov 03 fdscript now global but do not change prototype */ |
76e3520e | 3501 | STATIC void |
dd374669 | 3502 | S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv) |
79072805 | 3503 | { |
ae3f3efd | 3504 | #ifndef IAMSUID |
e1ec3a88 AL |
3505 | const char *quote; |
3506 | const char *code; | |
3507 | const char *cpp_discard_flag; | |
3508 | const char *perl; | |
ae3f3efd | 3509 | #endif |
27da23d5 | 3510 | dVAR; |
1b24ed4b | 3511 | |
ae3f3efd PS |
3512 | PL_fdscript = -1; |
3513 | PL_suidscript = -1; | |
79072805 | 3514 | |
3280af22 | 3515 | if (PL_e_script) { |
89529cee | 3516 | PL_origfilename = savepvs("-e"); |
96436eeb | 3517 | } |
6c4ab083 GS |
3518 | else { |
3519 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3520 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |