Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_sys.c |
2 | * | |
e6906430 | 3 | * Copyright (C) 1995, 1996, 1997, 1998, 1999, |
2c351e65 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others |
a0d0e21e LW |
5 | * |
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. | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
12 | * But only a short way ahead its floor and the walls on either side were | |
13 | * cloven by a great fissure, out of which the red glare came, now leaping | |
14 | * up, now dying down into darkness; and all the while far below there was | |
15 | * a rumour and a trouble as of great engines throbbing and labouring. | |
16 | */ | |
17 | ||
40d34c0d SB |
18 | /* This file contains system pp ("push/pop") functions that |
19 | * execute the opcodes that make up a perl program. A typical pp function | |
20 | * expects to find its arguments on the stack, and usually pushes its | |
21 | * results onto the stack, hence the 'pp' terminology. Each OP structure | |
22 | * contains a pointer to the relevant pp_foo() function. | |
23 | * | |
24 | * By 'system', we mean ops which interact with the OS, such as pp_open(). | |
25 | */ | |
26 | ||
a0d0e21e | 27 | #include "EXTERN.h" |
864dbfa3 | 28 | #define PERL_IN_PP_SYS_C |
a0d0e21e LW |
29 | #include "perl.h" |
30 | ||
f1066039 JH |
31 | #ifdef I_SHADOW |
32 | /* Shadow password support for solaris - pdo@cs.umd.edu | |
33 | * Not just Solaris: at least HP-UX, IRIX, Linux. | |
3813c136 JH |
34 | * The API is from SysV. |
35 | * | |
36 | * There are at least two more shadow interfaces, | |
37 | * see the comments in pp_gpwent(). | |
38 | * | |
39 | * --jhi */ | |
40 | # ifdef __hpux__ | |
c529f79d | 41 | /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h> |
301e8125 | 42 | * and another MAXINT from "perl.h" <- <sys/param.h>. */ |
3813c136 JH |
43 | # undef MAXINT |
44 | # endif | |
45 | # include <shadow.h> | |
8c0bfa08 PB |
46 | #endif |
47 | ||
76c32331 | 48 | #ifdef I_SYS_WAIT |
49 | # include <sys/wait.h> | |
50 | #endif | |
51 | ||
52 | #ifdef I_SYS_RESOURCE | |
53 | # include <sys/resource.h> | |
16d20bd9 | 54 | #endif |
a0d0e21e | 55 | |
2986a63f JH |
56 | #ifdef NETWARE |
57 | NETDB_DEFINE_CONTEXT | |
58 | #endif | |
59 | ||
a0d0e21e | 60 | #ifdef HAS_SELECT |
1e743fda JH |
61 | # ifdef I_SYS_SELECT |
62 | # include <sys/select.h> | |
63 | # endif | |
a0d0e21e | 64 | #endif |
a0d0e21e | 65 | |
dc45a647 MB |
66 | /* XXX Configure test needed. |
67 | h_errno might not be a simple 'int', especially for multi-threaded | |
5ff3f7a4 GS |
68 | applications, see "extern int errno in perl.h". Creating such |
69 | a test requires taking into account the differences between | |
70 | compiling multithreaded and singlethreaded ($ccflags et al). | |
71 | HOST_NOT_FOUND is typically defined in <netdb.h>. | |
dc45a647 | 72 | */ |
cb50131a | 73 | #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__) |
a0d0e21e LW |
74 | extern int h_errno; |
75 | #endif | |
76 | ||
77 | #ifdef HAS_PASSWD | |
78 | # ifdef I_PWD | |
79 | # include <pwd.h> | |
80 | # else | |
fd8cd3a3 | 81 | # if !defined(VMS) |
20ce7b12 GS |
82 | struct passwd *getpwnam (char *); |
83 | struct passwd *getpwuid (Uid_t); | |
fd8cd3a3 | 84 | # endif |
a0d0e21e | 85 | # endif |
28e8609d | 86 | # ifdef HAS_GETPWENT |
10bc17b6 | 87 | #ifndef getpwent |
20ce7b12 | 88 | struct passwd *getpwent (void); |
c2a8f790 | 89 | #elif defined (VMS) && defined (my_getpwent) |
5b61537d | 90 | struct passwd *Perl_my_getpwent (pTHX); |
10bc17b6 | 91 | #endif |
28e8609d | 92 | # endif |
a0d0e21e LW |
93 | #endif |
94 | ||
95 | #ifdef HAS_GROUP | |
96 | # ifdef I_GRP | |
97 | # include <grp.h> | |
98 | # else | |
20ce7b12 GS |
99 | struct group *getgrnam (char *); |
100 | struct group *getgrgid (Gid_t); | |
a0d0e21e | 101 | # endif |
28e8609d | 102 | # ifdef HAS_GETGRENT |
10bc17b6 | 103 | #ifndef getgrent |
20ce7b12 | 104 | struct group *getgrent (void); |
10bc17b6 | 105 | #endif |
28e8609d | 106 | # endif |
a0d0e21e LW |
107 | #endif |
108 | ||
109 | #ifdef I_UTIME | |
3730b96e | 110 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 111 | # include <sys/utime.h> |
112 | # else | |
113 | # include <utime.h> | |
114 | # endif | |
a0d0e21e | 115 | #endif |
a0d0e21e | 116 | |
cbdc8872 | 117 | #ifdef HAS_CHSIZE |
cd52b7b2 | 118 | # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ |
119 | # undef my_chsize | |
120 | # endif | |
6ad3d225 | 121 | # define my_chsize PerlLIO_chsize |
fe20fd30 JH |
122 | #else |
123 | # ifdef HAS_TRUNCATE | |
124 | # define my_chsize PerlLIO_chsize | |
125 | # else | |
126 | I32 my_chsize(int fd, Off_t length); | |
127 | # endif | |
cbdc8872 | 128 | #endif |
129 | ||
ff68c719 | 130 | #ifdef HAS_FLOCK |
131 | # define FLOCK flock | |
132 | #else /* no flock() */ | |
133 | ||
36477c24 | 134 | /* fcntl.h might not have been included, even if it exists, because |
135 | the current Configure only sets I_FCNTL if it's needed to pick up | |
136 | the *_OK constants. Make sure it has been included before testing | |
137 | the fcntl() locking constants. */ | |
138 | # if defined(HAS_FCNTL) && !defined(I_FCNTL) | |
139 | # include <fcntl.h> | |
140 | # endif | |
141 | ||
9d9004a9 | 142 | # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK) |
ff68c719 | 143 | # define FLOCK fcntl_emulate_flock |
144 | # define FCNTL_EMULATE_FLOCK | |
145 | # else /* no flock() or fcntl(F_SETLK,...) */ | |
146 | # ifdef HAS_LOCKF | |
147 | # define FLOCK lockf_emulate_flock | |
148 | # define LOCKF_EMULATE_FLOCK | |
149 | # endif /* lockf */ | |
150 | # endif /* no flock() or fcntl(F_SETLK,...) */ | |
151 | ||
152 | # ifdef FLOCK | |
20ce7b12 | 153 | static int FLOCK (int, int); |
ff68c719 | 154 | |
155 | /* | |
156 | * These are the flock() constants. Since this sytems doesn't have | |
157 | * flock(), the values of the constants are probably not available. | |
158 | */ | |
159 | # ifndef LOCK_SH | |
160 | # define LOCK_SH 1 | |
161 | # endif | |
162 | # ifndef LOCK_EX | |
163 | # define LOCK_EX 2 | |
164 | # endif | |
165 | # ifndef LOCK_NB | |
166 | # define LOCK_NB 4 | |
167 | # endif | |
168 | # ifndef LOCK_UN | |
169 | # define LOCK_UN 8 | |
170 | # endif | |
171 | # endif /* emulating flock() */ | |
172 | ||
173 | #endif /* no flock() */ | |
55497cff | 174 | |
85ab1d1d | 175 | #define ZBTLEN 10 |
fe20fd30 | 176 | static const char zero_but_true[ZBTLEN + 1] = "0 but true"; |
85ab1d1d | 177 | |
5ff3f7a4 GS |
178 | #if defined(I_SYS_ACCESS) && !defined(R_OK) |
179 | # include <sys/access.h> | |
180 | #endif | |
181 | ||
c529f79d CB |
182 | #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC) |
183 | # define FD_CLOEXEC 1 /* NeXT needs this */ | |
184 | #endif | |
185 | ||
a4af207c JH |
186 | #include "reentr.h" |
187 | ||
f0798ba3 OS |
188 | #ifdef __Lynx__ |
189 | /* Missing protos on LynxOS */ | |
190 | void sethostent(int); | |
191 | void endhostent(void); | |
192 | void setnetent(int); | |
193 | void endnetent(void); | |
194 | void setprotoent(int); | |
195 | void endprotoent(void); | |
196 | void setservent(int); | |
197 | void endservent(void); | |
198 | #endif | |
199 | ||
4fbce521 | 200 | #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */ |
5ff3f7a4 | 201 | |
0236d32d NC |
202 | /* AIX 5.2 and below use mktime for localtime, and defines the edge case |
203 | * for time 0x7fffffff to be valid only in UTC. AIX 5.3 provides localtime64 | |
204 | * available in the 32bit environment, which could warrant Configure | |
205 | * checks in the future. | |
206 | */ | |
207 | #ifdef _AIX | |
208 | #define LOCALTIME_EDGECASE_BROKEN | |
209 | #endif | |
210 | ||
5ff3f7a4 GS |
211 | /* F_OK unused: if stat() cannot find it... */ |
212 | ||
4fbce521 | 213 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) |
c955f117 | 214 | /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */ |
4fbce521 | 215 | # define PERL_EFF_ACCESS(p,f) (access((p), (f) | EFF_ONLY_OK)) |
5ff3f7a4 GS |
216 | #endif |
217 | ||
4fbce521 | 218 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_EACCESS) |
3813c136 | 219 | # ifdef I_SYS_SECURITY |
5ff3f7a4 GS |
220 | # include <sys/security.h> |
221 | # endif | |
c955f117 JH |
222 | # ifdef ACC_SELF |
223 | /* HP SecureWare */ | |
4fbce521 | 224 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f), ACC_SELF)) |
c955f117 JH |
225 | # else |
226 | /* SCO */ | |
4fbce521 | 227 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f))) |
c955f117 | 228 | # endif |
5ff3f7a4 GS |
229 | #endif |
230 | ||
4fbce521 | 231 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESSX) && defined(ACC_SELF) |
c955f117 | 232 | /* AIX */ |
4fbce521 | 233 | # define PERL_EFF_ACCESS(p,f) (accessx((p), (f), ACC_SELF)) |
5ff3f7a4 GS |
234 | #endif |
235 | ||
4fbce521 NC |
236 | |
237 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) \ | |
327c3667 GS |
238 | && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \ |
239 | || defined(HAS_SETREGID) || defined(HAS_SETRESGID)) | |
5ff3f7a4 | 240 | /* The Hard Way. */ |
327c3667 | 241 | STATIC int |
7f4774ae | 242 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 243 | { |
1a9219e7 AL |
244 | const Uid_t ruid = getuid(); |
245 | const Uid_t euid = geteuid(); | |
246 | const Gid_t rgid = getgid(); | |
247 | const Gid_t egid = getegid(); | |
5ff3f7a4 GS |
248 | int res; |
249 | ||
146174a9 | 250 | LOCK_CRED_MUTEX; |
5ff3f7a4 | 251 | #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) |
cea2e8a9 | 252 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
253 | #else |
254 | #ifdef HAS_SETREUID | |
255 | if (setreuid(euid, ruid)) | |
256 | #else | |
257 | #ifdef HAS_SETRESUID | |
258 | if (setresuid(euid, ruid, (Uid_t)-1)) | |
259 | #endif | |
260 | #endif | |
cea2e8a9 | 261 | Perl_croak(aTHX_ "entering effective uid failed"); |
5ff3f7a4 GS |
262 | #endif |
263 | ||
264 | #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID) | |
cea2e8a9 | 265 | Perl_croak(aTHX_ "switching effective gid is not implemented"); |
5ff3f7a4 GS |
266 | #else |
267 | #ifdef HAS_SETREGID | |
268 | if (setregid(egid, rgid)) | |
269 | #else | |
270 | #ifdef HAS_SETRESGID | |
271 | if (setresgid(egid, rgid, (Gid_t)-1)) | |
272 | #endif | |
273 | #endif | |
cea2e8a9 | 274 | Perl_croak(aTHX_ "entering effective gid failed"); |
5ff3f7a4 GS |
275 | #endif |
276 | ||
277 | res = access(path, mode); | |
278 | ||
279 | #ifdef HAS_SETREUID | |
280 | if (setreuid(ruid, euid)) | |
281 | #else | |
282 | #ifdef HAS_SETRESUID | |
283 | if (setresuid(ruid, euid, (Uid_t)-1)) | |
284 | #endif | |
285 | #endif | |
cea2e8a9 | 286 | Perl_croak(aTHX_ "leaving effective uid failed"); |
5ff3f7a4 GS |
287 | |
288 | #ifdef HAS_SETREGID | |
289 | if (setregid(rgid, egid)) | |
290 | #else | |
291 | #ifdef HAS_SETRESGID | |
292 | if (setresgid(rgid, egid, (Gid_t)-1)) | |
293 | #endif | |
294 | #endif | |
cea2e8a9 | 295 | Perl_croak(aTHX_ "leaving effective gid failed"); |
146174a9 | 296 | UNLOCK_CRED_MUTEX; |
5ff3f7a4 GS |
297 | |
298 | return res; | |
299 | } | |
4fbce521 | 300 | # define PERL_EFF_ACCESS(p,f) (emulate_eaccess((p), (f))) |
5ff3f7a4 GS |
301 | #endif |
302 | ||
4fbce521 | 303 | #if !defined(PERL_EFF_ACCESS) |
76ffd3b9 IZ |
304 | /* With it or without it: anyway you get a warning: either that |
305 | it is unused, or it is declared static and never defined. | |
306 | */ | |
327c3667 | 307 | STATIC int |
7f4774ae | 308 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 309 | { |
b21e3693 NC |
310 | PERL_UNUSED_ARG(path); |
311 | PERL_UNUSED_ARG(mode); | |
cea2e8a9 | 312 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
313 | /*NOTREACHED*/ |
314 | return -1; | |
315 | } | |
316 | #endif | |
317 | ||
a0d0e21e LW |
318 | PP(pp_backtick) |
319 | { | |
39644a26 | 320 | dSP; dTARGET; |
760ac839 | 321 | PerlIO *fp; |
ce7d4f40 | 322 | const char * const tmps = POPpconstx; |
24c2fff4 | 323 | const I32 gimme = GIMME_V; |
c05e0e2f | 324 | const char *mode = "r"; |
54310121 | 325 | |
a0d0e21e | 326 | TAINT_PROPER("``"); |
16fe6d59 GS |
327 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
328 | mode = "rb"; | |
329 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
330 | mode = "rt"; | |
8ec8dcb0 | 331 | fp = PerlProc_popen((char*)tmps, (char *)mode); |
a0d0e21e | 332 | if (fp) { |
6d29369a | 333 | const char * const type = PL_curcop->cop_io ? SvPV_nolen_const(PL_curcop->cop_io) : NULL; |
ac27b0f5 NIS |
334 | if (type && *type) |
335 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
336 | ||
54310121 | 337 | if (gimme == G_VOID) { |
96827780 MB |
338 | char tmpbuf[256]; |
339 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
8e7b0921 | 340 | NOOP; |
54310121 | 341 | } |
342 | else if (gimme == G_SCALAR) { | |
0aba80bd NC |
343 | ENTER; |
344 | SAVESPTR(PL_rs); | |
fa326138 | 345 | PL_rs = &PL_sv_undef; |
2a8de9e2 | 346 | sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */ |
0e2d6244 | 347 | while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL) |
8e7b0921 | 348 | NOOP; |
0aba80bd | 349 | LEAVE; |
a0d0e21e | 350 | XPUSHs(TARG); |
aa689395 | 351 | SvTAINTED_on(TARG); |
a0d0e21e LW |
352 | } |
353 | else { | |
a0d0e21e | 354 | for (;;) { |
133cdda0 | 355 | SV * const sv = newSV(79); |
0e2d6244 | 356 | if (sv_gets(sv, fp, 0) == NULL) { |
a0d0e21e LW |
357 | SvREFCNT_dec(sv); |
358 | break; | |
359 | } | |
360 | XPUSHs(sv_2mortal(sv)); | |
361 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
ea5389ca | 362 | SvPV_shrink_to_cur(sv); |
a0d0e21e | 363 | } |
aa689395 | 364 | SvTAINTED_on(sv); |
a0d0e21e LW |
365 | } |
366 | } | |
aa649b9f | 367 | STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp)); |
aa689395 | 368 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
369 | } |
370 | else { | |
b14528dd | 371 | STATUS_NATIVE_CHILD_SET(-1); |
54310121 | 372 | if (gimme == G_SCALAR) |
a0d0e21e LW |
373 | RETPUSHUNDEF; |
374 | } | |
375 | ||
376 | RETURN; | |
377 | } | |
378 | ||
379 | PP(pp_glob) | |
380 | { | |
381 | OP *result; | |
f5284f61 IZ |
382 | tryAMAGICunTARGET(iter, -1); |
383 | ||
71686f12 GS |
384 | /* Note that we only ever get here if File::Glob fails to load |
385 | * without at the same time croaking, for some reason, or if | |
386 | * perl was built with PERL_EXTERNAL_GLOB */ | |
387 | ||
a0d0e21e | 388 | ENTER; |
a0d0e21e | 389 | |
c90c0ff4 | 390 | #ifndef VMS |
3280af22 | 391 | if (PL_tainting) { |
7bac28a0 | 392 | /* |
393 | * The external globbing program may use things we can't control, | |
394 | * so for security reasons we must assume the worst. | |
395 | */ | |
396 | TAINT; | |
22c35a8c | 397 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 398 | } |
c90c0ff4 | 399 | #endif /* !VMS */ |
7bac28a0 | 400 | |
3280af22 NIS |
401 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
402 | PL_last_in_gv = (GV*)*PL_stack_sp--; | |
a0d0e21e | 403 | |
3280af22 | 404 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
d7559646 | 405 | PL_rs = sv_2mortal(newSVpvs("\000")); |
c07a80fd | 406 | #ifndef DOSISH |
407 | #ifndef CSH | |
6b88bc9c | 408 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 409 | #endif /* !CSH */ |
55497cff | 410 | #endif /* !DOSISH */ |
c07a80fd | 411 | |
a0d0e21e LW |
412 | result = do_readline(); |
413 | LEAVE; | |
414 | return result; | |
415 | } | |
416 | ||
a0d0e21e LW |
417 | PP(pp_rcatline) |
418 | { | |
146174a9 | 419 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
420 | return do_readline(); |
421 | } | |
422 | ||
423 | PP(pp_warn) | |
424 | { | |
39644a26 | 425 | dSP; dMARK; |
06bf62c7 | 426 | SV *tmpsv; |
c05e0e2f | 427 | const char *tmps; |
06bf62c7 | 428 | STRLEN len; |
937d2850 | 429 | if (SP - MARK > 1) { |
a0d0e21e | 430 | dTARGET; |
3280af22 | 431 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 432 | tmpsv = TARG; |
a0d0e21e LW |
433 | SP = MARK + 1; |
434 | } | |
937d2850 TS |
435 | else if (SP == MARK) { |
436 | tmpsv = &PL_sv_no; | |
437 | EXTEND(SP, 1); | |
438 | } | |
a0d0e21e | 439 | else { |
06bf62c7 | 440 | tmpsv = TOPs; |
a0d0e21e | 441 | } |
c06c673c | 442 | tmps = SvPV_const(tmpsv, len); |
5e8f8cda | 443 | if ((!tmps || !len) && PL_errgv) { |
ce7d4f40 | 444 | SV * const error = ERRSV; |
4e6ea2c3 GS |
445 | (void)SvUPGRADE(error, SVt_PV); |
446 | if (SvPOK(error) && SvCUR(error)) | |
d7559646 | 447 | sv_catpvs(error, "\t...caught"); |
06bf62c7 | 448 | tmpsv = error; |
c06c673c | 449 | tmps = SvPV_const(tmpsv, len); |
a0d0e21e | 450 | } |
06bf62c7 | 451 | if (!tmps || !len) |
d7559646 | 452 | tmpsv = sv_2mortal(newSVpvs("Warning: something's wrong")); |
06bf62c7 | 453 | |
f2139bd3 | 454 | Perl_warn(aTHX_ "%"SVf, (void*)tmpsv); |
a0d0e21e LW |
455 | RETSETYES; |
456 | } | |
457 | ||
458 | PP(pp_die) | |
459 | { | |
39644a26 | 460 | dSP; dMARK; |
c05e0e2f | 461 | const char *tmps; |
06bf62c7 GS |
462 | SV *tmpsv; |
463 | STRLEN len; | |
464 | bool multiarg = 0; | |
96e176bf CL |
465 | #ifdef VMS |
466 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); | |
467 | #endif | |
a0d0e21e LW |
468 | if (SP - MARK != 1) { |
469 | dTARGET; | |
3280af22 | 470 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 471 | tmpsv = TARG; |
8ec8dcb0 | 472 | tmps = SvPV_const(tmpsv, len); |
06bf62c7 | 473 | multiarg = 1; |
a0d0e21e LW |
474 | SP = MARK + 1; |
475 | } | |
476 | else { | |
4e6ea2c3 | 477 | tmpsv = TOPs; |
0e2d6244 | 478 | tmps = SvROK(tmpsv) ? NULL : SvPV_const(tmpsv, len); |
a0d0e21e | 479 | } |
06bf62c7 | 480 | if (!tmps || !len) { |
7508116b | 481 | SV * const error = ERRSV; |
4e6ea2c3 | 482 | (void)SvUPGRADE(error, SVt_PV); |
06bf62c7 GS |
483 | if (multiarg ? SvROK(error) : SvROK(tmpsv)) { |
484 | if (!multiarg) | |
4e6ea2c3 | 485 | SvSetSV(error,tmpsv); |
06bf62c7 | 486 | else if (sv_isobject(error)) { |
6d29369a AL |
487 | HV * const stash = SvSTASH(SvRV(error)); |
488 | GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); | |
05423cc9 | 489 | if (gv) { |
6d29369a AL |
490 | SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); |
491 | SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); | |
05423cc9 GS |
492 | EXTEND(SP, 3); |
493 | PUSHMARK(SP); | |
494 | PUSHs(error); | |
495 | PUSHs(file); | |
496 | PUSHs(line); | |
497 | PUTBACK; | |
864dbfa3 GS |
498 | call_sv((SV*)GvCV(gv), |
499 | G_SCALAR|G_EVAL|G_KEEPERR); | |
3280af22 | 500 | sv_setsv(error,*PL_stack_sp--); |
05423cc9 GS |
501 | } |
502 | } | |
0e2d6244 | 503 | DIE(aTHX_ NULL); |
4e6ea2c3 GS |
504 | } |
505 | else { | |
506 | if (SvPOK(error) && SvCUR(error)) | |
d7559646 | 507 | sv_catpvs(error, "\t...propagated"); |
06bf62c7 | 508 | tmpsv = error; |
a1344dd2 NC |
509 | if (SvOK(tmpsv)) |
510 | tmps = SvPV_const(tmpsv, len); | |
511 | else | |
0e2d6244 | 512 | tmps = NULL; |
4e6ea2c3 | 513 | } |
a0d0e21e | 514 | } |
06bf62c7 | 515 | if (!tmps || !len) |
d7559646 | 516 | tmpsv = sv_2mortal(newSVpvs("Died")); |
06bf62c7 | 517 | |
f2139bd3 | 518 | DIE(aTHX_ "%"SVf, (void*)tmpsv); |
a0d0e21e LW |
519 | } |
520 | ||
521 | /* I/O. */ | |
522 | ||
523 | PP(pp_open) | |
524 | { | |
39644a26 | 525 | dSP; |
a567e93b NIS |
526 | dMARK; dORIGMARK; |
527 | dTARGET; | |
a0d0e21e | 528 | SV *sv; |
5b468f54 | 529 | IO *io; |
8ec8dcb0 | 530 | const char *tmps; |
a0d0e21e | 531 | STRLEN len; |
a567e93b | 532 | bool ok; |
a0d0e21e | 533 | |
1a9219e7 AL |
534 | GV * const gv = (GV *)*++MARK; |
535 | ||
5f05dabc | 536 | if (!isGV(gv)) |
cea2e8a9 | 537 | DIE(aTHX_ PL_no_usym, "filehandle"); |
8e7b0921 AL |
538 | if ((io = GvIOp(gv))) { |
539 | MAGIC *mg; | |
36477c24 | 540 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 541 | |
8e7b0921 | 542 | mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); |
1a9219e7 AL |
543 | if (mg) { |
544 | /* Method's args are same as ours ... */ | |
545 | /* ... except handle is replaced by the object */ | |
546 | *MARK-- = SvTIED_obj((SV*)io, mg); | |
547 | PUSHMARK(MARK); | |
548 | PUTBACK; | |
549 | ENTER; | |
550 | call_method("OPEN", G_SCALAR); | |
551 | LEAVE; | |
552 | SPAGAIN; | |
553 | RETURN; | |
554 | } | |
4592e6ca NIS |
555 | } |
556 | ||
a567e93b NIS |
557 | if (MARK < SP) { |
558 | sv = *++MARK; | |
559 | } | |
560 | else { | |
83fd6193 | 561 | sv = GvSVn(gv); |
a567e93b NIS |
562 | } |
563 | ||
8ec8dcb0 | 564 | tmps = SvPV_const(sv, len); |
0e2d6244 | 565 | ok = do_openn(gv, (char *)tmps, len, FALSE, O_RDONLY, 0, NULL, MARK+1, (SP-MARK)); |
a567e93b NIS |
566 | SP = ORIGMARK; |
567 | if (ok) | |
3280af22 NIS |
568 | PUSHi( (I32)PL_forkprocess ); |
569 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
570 | PUSHi(0); |
571 | else | |
572 | RETPUSHUNDEF; | |
573 | RETURN; | |
574 | } | |
575 | ||
576 | PP(pp_close) | |
577 | { | |
39644a26 | 578 | dSP; |
1a9219e7 | 579 | GV * const gv = (MAXARG == 0) ? PL_defoutgv : (GV*)POPs; |
1d603a67 | 580 | |
8e7b0921 AL |
581 | if (gv) { |
582 | IO * const io = GvIO(gv); | |
583 | if (io) { | |
584 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
585 | if (mg) { | |
586 | PUSHMARK(SP); | |
587 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
588 | PUTBACK; | |
589 | ENTER; | |
590 | call_method("CLOSE", G_SCALAR); | |
591 | LEAVE; | |
592 | SPAGAIN; | |
593 | RETURN; | |
594 | } | |
595 | } | |
1d603a67 | 596 | } |
a0d0e21e | 597 | EXTEND(SP, 1); |
54310121 | 598 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
599 | RETURN; |
600 | } | |
601 | ||
602 | PP(pp_pipe_op) | |
603 | { | |
a0d0e21e | 604 | #ifdef HAS_PIPE |
9cad6237 | 605 | dSP; |
a0d0e21e LW |
606 | register IO *rstio; |
607 | register IO *wstio; | |
608 | int fd[2]; | |
609 | ||
1a9219e7 AL |
610 | GV * const wgv = (GV*)POPs; |
611 | GV * const rgv = (GV*)POPs; | |
a0d0e21e LW |
612 | |
613 | if (!rgv || !wgv) | |
614 | goto badexit; | |
615 | ||
4633a7c4 | 616 | if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) |
cea2e8a9 | 617 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
618 | rstio = GvIOn(rgv); |
619 | wstio = GvIOn(wgv); | |
620 | ||
621 | if (IoIFP(rstio)) | |
622 | do_close(rgv, FALSE); | |
623 | if (IoIFP(wstio)) | |
624 | do_close(wgv, FALSE); | |
625 | ||
6ad3d225 | 626 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
627 | goto badexit; |
628 | ||
5a560d3a IZ |
629 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE); |
630 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE); | |
b5ac89c3 | 631 | IoOFP(rstio) = IoIFP(rstio); |
a0d0e21e | 632 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
633 | IoTYPE(rstio) = IoTYPE_RDONLY; |
634 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
635 | |
636 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
8e7b0921 AL |
637 | if (IoIFP(rstio)) |
638 | PerlIO_close(IoIFP(rstio)); | |
639 | else | |
640 | PerlLIO_close(fd[0]); | |
641 | if (IoOFP(wstio)) | |
642 | PerlIO_close(IoOFP(wstio)); | |
643 | else | |
644 | PerlLIO_close(fd[1]); | |
a0d0e21e LW |
645 | goto badexit; |
646 | } | |
4771b018 GS |
647 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
648 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
649 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
650 | #endif | |
a0d0e21e LW |
651 | RETPUSHYES; |
652 | ||
653 | badexit: | |
654 | RETPUSHUNDEF; | |
655 | #else | |
cea2e8a9 | 656 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
657 | #endif |
658 | } | |
659 | ||
660 | PP(pp_fileno) | |
661 | { | |
39644a26 | 662 | dSP; dTARGET; |
a0d0e21e LW |
663 | GV *gv; |
664 | IO *io; | |
760ac839 | 665 | PerlIO *fp; |
4592e6ca NIS |
666 | MAGIC *mg; |
667 | ||
a0d0e21e LW |
668 | if (MAXARG < 1) |
669 | RETPUSHUNDEF; | |
670 | gv = (GV*)POPs; | |
4592e6ca | 671 | |
5b468f54 AMS |
672 | if (gv && (io = GvIO(gv)) |
673 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
674 | { | |
4592e6ca | 675 | PUSHMARK(SP); |
5b468f54 | 676 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
677 | PUTBACK; |
678 | ENTER; | |
864dbfa3 | 679 | call_method("FILENO", G_SCALAR); |
4592e6ca NIS |
680 | LEAVE; |
681 | SPAGAIN; | |
682 | RETURN; | |
683 | } | |
684 | ||
c289d2f7 JH |
685 | if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
686 | /* Can't do this because people seem to do things like | |
687 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
688 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
689 | report_evil_fh(gv, io, PL_op->op_type); | |
690 | */ | |
a0d0e21e | 691 | RETPUSHUNDEF; |
c289d2f7 JH |
692 | } |
693 | ||
760ac839 | 694 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
695 | RETURN; |
696 | } | |
697 | ||
698 | PP(pp_umask) | |
699 | { | |
fe20fd30 | 700 | dSP; |
d7e492a4 | 701 | #ifdef HAS_UMASK |
fe20fd30 | 702 | dTARGET; |
761237fe | 703 | Mode_t anum; |
a0d0e21e | 704 | |
a0d0e21e | 705 | if (MAXARG < 1) { |
6ad3d225 GS |
706 | anum = PerlLIO_umask(0); |
707 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
708 | } |
709 | else | |
6ad3d225 | 710 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
711 | TAINT_PROPER("umask"); |
712 | XPUSHi(anum); | |
713 | #else | |
5332c881 | 714 | /* Only DIE if trying to restrict permissions on "user" (self). |
eec2d3df GS |
715 | * Otherwise it's harmless and more useful to just return undef |
716 | * since 'group' and 'other' concepts probably don't exist here. */ | |
717 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 718 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 719 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
720 | #endif |
721 | RETURN; | |
722 | } | |
723 | ||
724 | PP(pp_binmode) | |
725 | { | |
39644a26 | 726 | dSP; |
a0d0e21e LW |
727 | GV *gv; |
728 | IO *io; | |
760ac839 | 729 | PerlIO *fp; |
0e2d6244 | 730 | SV *discp = NULL; |
a0d0e21e LW |
731 | |
732 | if (MAXARG < 1) | |
733 | RETPUSHUNDEF; | |
60382766 | 734 | if (MAXARG > 1) { |
16fe6d59 | 735 | discp = POPs; |
60382766 | 736 | } |
a0d0e21e | 737 | |
301e8125 | 738 | gv = (GV*)POPs; |
4592e6ca | 739 | |
8e7b0921 AL |
740 | if (gv && (io = GvIO(gv))) { |
741 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
742 | if (mg) { | |
743 | PUSHMARK(SP); | |
744 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
745 | if (discp) | |
746 | XPUSHs(discp); | |
747 | PUTBACK; | |
748 | ENTER; | |
749 | call_method("BINMODE", G_SCALAR); | |
750 | LEAVE; | |
751 | SPAGAIN; | |
752 | RETURN; | |
753 | } | |
4592e6ca | 754 | } |
a0d0e21e LW |
755 | |
756 | EXTEND(SP, 1); | |
50f846a7 | 757 | if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
c289d2f7 JH |
758 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
759 | report_evil_fh(gv, io, PL_op->op_type); | |
b5fe5ca2 | 760 | SETERRNO(EBADF,RMS_IFI); |
50f846a7 SC |
761 | RETPUSHUNDEF; |
762 | } | |
a0d0e21e | 763 | |
40d98b49 | 764 | PUTBACK; |
4ba2a8a0 JH |
765 | { |
766 | const int mode = mode_from_discipline(discp); | |
767 | const char *const d = (discp ? SvPV_nolen_const(discp) : NULL); | |
768 | if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) { | |
769 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
770 | if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) { | |
771 | SPAGAIN; | |
772 | RETPUSHUNDEF; | |
773 | } | |
774 | } | |
775 | SPAGAIN; | |
776 | RETPUSHYES; | |
777 | } | |
778 | else { | |
779 | SPAGAIN; | |
780 | RETPUSHUNDEF; | |
406c4b1e | 781 | } |
40d98b49 | 782 | } |
a0d0e21e LW |
783 | } |
784 | ||
785 | PP(pp_tie) | |
786 | { | |
fe20fd30 | 787 | dSP; dMARK; |
a0d0e21e LW |
788 | HV* stash; |
789 | GV *gv; | |
a0d0e21e | 790 | SV *sv; |
228fe6e6 | 791 | const I32 markoff = MARK - PL_stack_base; |
c05e0e2f | 792 | const char *methname; |
14befaf4 | 793 | int how = PERL_MAGIC_tied; |
e336de0d | 794 | U32 items; |
1a9219e7 | 795 | SV *varsv = *++MARK; |
a0d0e21e | 796 | |
6b05c17a NIS |
797 | switch(SvTYPE(varsv)) { |
798 | case SVt_PVHV: | |
799 | methname = "TIEHASH"; | |
26ab6a78 | 800 | HvEITER_set((HV *)varsv, 0); |
6b05c17a NIS |
801 | break; |
802 | case SVt_PVAV: | |
803 | methname = "TIEARRAY"; | |
804 | break; | |
805 | case SVt_PVGV: | |
7fb37951 AMS |
806 | #ifdef GV_UNIQUE_CHECK |
807 | if (GvUNIQUE((GV*)varsv)) { | |
808 | Perl_croak(aTHX_ "Attempt to tie unique GV"); | |
5bd07a3d DM |
809 | } |
810 | #endif | |
6b05c17a | 811 | methname = "TIEHANDLE"; |
14befaf4 | 812 | how = PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
813 | /* For tied filehandles, we apply tiedscalar magic to the IO |
814 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
815 | if (!GvIOp(varsv)) | |
816 | GvIOp(varsv) = newIO(); | |
817 | varsv = (SV *)GvIOp(varsv); | |
6b05c17a NIS |
818 | break; |
819 | default: | |
820 | methname = "TIESCALAR"; | |
14befaf4 | 821 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
822 | break; |
823 | } | |
e336de0d GS |
824 | items = SP - MARK++; |
825 | if (sv_isobject(*MARK)) { | |
6b05c17a | 826 | ENTER; |
e788e7d3 | 827 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 828 | PUSHMARK(SP); |
eb160463 | 829 | EXTEND(SP,(I32)items); |
e336de0d GS |
830 | while (items--) |
831 | PUSHs(*MARK++); | |
832 | PUTBACK; | |
864dbfa3 | 833 | call_method(methname, G_SCALAR); |
301e8125 | 834 | } |
6b05c17a | 835 | else { |
864dbfa3 | 836 | /* Not clear why we don't call call_method here too. |
6b05c17a NIS |
837 | * perhaps to get different error message ? |
838 | */ | |
e336de0d | 839 | stash = gv_stashsv(*MARK, FALSE); |
6b05c17a | 840 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
c293eb2b | 841 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", |
f2139bd3 | 842 | methname, (void*)*MARK); |
6b05c17a NIS |
843 | } |
844 | ENTER; | |
e788e7d3 | 845 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 846 | PUSHMARK(SP); |
eb160463 | 847 | EXTEND(SP,(I32)items); |
e336de0d GS |
848 | while (items--) |
849 | PUSHs(*MARK++); | |
850 | PUTBACK; | |
864dbfa3 | 851 | call_sv((SV*)GvCV(gv), G_SCALAR); |
6b05c17a | 852 | } |
a0d0e21e LW |
853 | SPAGAIN; |
854 | ||
855 | sv = TOPs; | |
d3acc0f7 | 856 | POPSTACK; |
a0d0e21e | 857 | if (sv_isobject(sv)) { |
33c27489 | 858 | sv_unmagic(varsv, how); |
ae21d580 | 859 | /* Croak if a self-tie on an aggregate is attempted. */ |
b881518d | 860 | if (varsv == SvRV(sv) && |
d87ebaca YST |
861 | (SvTYPE(varsv) == SVt_PVAV || |
862 | SvTYPE(varsv) == SVt_PVHV)) | |
ae21d580 JH |
863 | Perl_croak(aTHX_ |
864 | "Self-ties of arrays and hashes are not supported"); | |
0e2d6244 | 865 | sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0); |
a0d0e21e LW |
866 | } |
867 | LEAVE; | |
3280af22 | 868 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
869 | PUSHs(sv); |
870 | RETURN; | |
871 | } | |
872 | ||
873 | PP(pp_untie) | |
874 | { | |
39644a26 | 875 | dSP; |
5b468f54 | 876 | MAGIC *mg; |
33c27489 | 877 | SV *sv = POPs; |
228fe6e6 | 878 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 879 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
55497cff | 880 | |
5b468f54 AMS |
881 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) |
882 | RETPUSHYES; | |
883 | ||
d87861d8 | 884 | if ((mg = SvTIED_mg(sv, how))) { |
ce7d4f40 | 885 | SV * const obj = SvRV(SvTIED_obj(sv, mg)); |
fa2b88e0 | 886 | if (obj) { |
1a9219e7 | 887 | GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE); |
8c89da26 | 888 | CV *cv; |
1a9219e7 | 889 | if (gv && isGV(gv) && (cv = GvCV(gv))) { |
fa2b88e0 JS |
890 | PUSHMARK(SP); |
891 | XPUSHs(SvTIED_obj((SV*)gv, mg)); | |
892 | XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); | |
893 | PUTBACK; | |
894 | ENTER; | |
895 | call_sv((SV *)cv, G_VOID); | |
896 | LEAVE; | |
897 | SPAGAIN; | |
898 | } | |
f5e9f069 | 899 | else if (mg && SvREFCNT(obj) > 1 && ckWARN(WARN_UNTIE)) { |
9014280d | 900 | Perl_warner(aTHX_ packWARN(WARN_UNTIE), |
fa2b88e0 JS |
901 | "untie attempted while %"UVuf" inner references still exist", |
902 | (UV)SvREFCNT(obj) - 1 ) ; | |
1a9219e7 | 903 | } |
cbdc8872 | 904 | } |
905 | } | |
06d028cb | 906 | sv_unmagic(sv, how) ; |
55497cff | 907 | RETPUSHYES; |
a0d0e21e LW |
908 | } |
909 | ||
c07a80fd | 910 | PP(pp_tied) |
911 | { | |
39644a26 | 912 | dSP; |
ce7d4f40 | 913 | const MAGIC *mg; |
33c27489 | 914 | SV *sv = POPs; |
228fe6e6 | 915 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 916 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
917 | |
918 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) | |
919 | RETPUSHUNDEF; | |
c07a80fd | 920 | |
155aba94 | 921 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
922 | SV *osv = SvTIED_obj(sv, mg); |
923 | if (osv == mg->mg_obj) | |
924 | osv = sv_mortalcopy(osv); | |
925 | PUSHs(osv); | |
926 | RETURN; | |
c07a80fd | 927 | } |
c07a80fd | 928 | RETPUSHUNDEF; |
929 | } | |
930 | ||
a0d0e21e LW |
931 | PP(pp_dbmopen) |
932 | { | |
39644a26 | 933 | dSP; |
a0d0e21e LW |
934 | dPOPPOPssrl; |
935 | HV* stash; | |
936 | GV *gv; | |
a0d0e21e | 937 | |
ce7d4f40 | 938 | HV * const hv = (HV*)POPs; |
937d123c | 939 | SV * const sv = sv_2mortal(newSVpvs("AnyDBM_File")); |
a0d0e21e | 940 | stash = gv_stashsv(sv, FALSE); |
8ebc5c01 | 941 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 942 | PUTBACK; |
864dbfa3 | 943 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 944 | SPAGAIN; |
8ebc5c01 | 945 | if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 946 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
947 | } |
948 | ||
57d3b86d | 949 | ENTER; |
924508f0 | 950 | PUSHMARK(SP); |
6b05c17a | 951 | |
924508f0 | 952 | EXTEND(SP, 5); |
a0d0e21e LW |
953 | PUSHs(sv); |
954 | PUSHs(left); | |
955 | if (SvIV(right)) | |
b448e4fe | 956 | PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); |
a0d0e21e | 957 | else |
b448e4fe | 958 | PUSHs(sv_2mortal(newSVuv(O_RDWR))); |
a0d0e21e | 959 | PUSHs(right); |
57d3b86d | 960 | PUTBACK; |
864dbfa3 | 961 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
962 | SPAGAIN; |
963 | ||
964 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
965 | SP--; |
966 | PUSHMARK(SP); | |
a0d0e21e LW |
967 | PUSHs(sv); |
968 | PUSHs(left); | |
b448e4fe | 969 | PUSHs(sv_2mortal(newSVuv(O_RDONLY))); |
a0d0e21e | 970 | PUSHs(right); |
a0d0e21e | 971 | PUTBACK; |
864dbfa3 | 972 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
973 | SPAGAIN; |
974 | } | |
975 | ||
6b05c17a | 976 | if (sv_isobject(TOPs)) { |
14befaf4 | 977 | sv_unmagic((SV *) hv, PERL_MAGIC_tied); |
0e2d6244 | 978 | sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, NULL, 0); |
6b05c17a | 979 | } |
a0d0e21e LW |
980 | LEAVE; |
981 | RETURN; | |
982 | } | |
983 | ||
a0d0e21e LW |
984 | PP(pp_sselect) |
985 | { | |
a0d0e21e | 986 | #ifdef HAS_SELECT |
9cad6237 | 987 | dSP; dTARGET; |
a0d0e21e LW |
988 | register I32 i; |
989 | register I32 j; | |
990 | register char *s; | |
991 | register SV *sv; | |
65202027 | 992 | NV value; |
a0d0e21e LW |
993 | I32 maxlen = 0; |
994 | I32 nfound; | |
995 | struct timeval timebuf; | |
996 | struct timeval *tbuf = &timebuf; | |
997 | I32 growsize; | |
998 | char *fd_sets[4]; | |
999 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1000 | I32 masksize; | |
1001 | I32 offset; | |
1002 | I32 k; | |
1003 | ||
1004 | # if BYTEORDER & 0xf0000 | |
1005 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
1006 | # else | |
1007 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
1008 | # endif | |
1009 | ||
1010 | #endif | |
1011 | ||
1012 | SP -= 4; | |
1013 | for (i = 1; i <= 3; i++) { | |
1a9219e7 | 1014 | SV * const sv = SP[i]; |
7123f0a1 GA |
1015 | if (!SvOK(sv)) |
1016 | continue; | |
1017 | if (SvREADONLY(sv)) { | |
1c7ab622 NC |
1018 | if (SvIsCOW(sv)) |
1019 | sv_force_normal_flags(sv, 0); | |
7123f0a1 | 1020 | if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0)) |
1c7ab622 NC |
1021 | DIE(aTHX_ PL_no_modify); |
1022 | } | |
7123f0a1 GA |
1023 | if (!SvPOK(sv)) { |
1024 | if (ckWARN(WARN_MISC)) | |
1025 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); | |
1026 | SvPV_force_nolen(sv); /* force string conversion */ | |
1027 | } | |
1c7ab622 | 1028 | j = SvCUR(sv); |
a0d0e21e LW |
1029 | if (maxlen < j) |
1030 | maxlen = j; | |
1031 | } | |
1032 | ||
5ff3f7a4 | 1033 | /* little endians can use vecs directly */ |
e366b469 | 1034 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 1035 | # ifdef NFDBITS |
a0d0e21e | 1036 | |
5ff3f7a4 GS |
1037 | # ifndef NBBY |
1038 | # define NBBY 8 | |
1039 | # endif | |
a0d0e21e LW |
1040 | |
1041 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1042 | # else |
a0d0e21e | 1043 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1044 | # endif |
a0d0e21e LW |
1045 | Zero(&fd_sets[0], 4, char*); |
1046 | #endif | |
1047 | ||
482ba07e JH |
1048 | # if SELECT_MIN_BITS == 1 |
1049 | growsize = sizeof(fd_set); | |
1050 | # else | |
1051 | # if defined(__GLIBC__) && defined(__FD_SETSIZE) | |
1052 | # undef SELECT_MIN_BITS | |
1053 | # define SELECT_MIN_BITS __FD_SETSIZE | |
1054 | # endif | |
e366b469 PG |
1055 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
1056 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1057 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
1058 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates | |
1059 | * on (sets/tests/clears bits) is 32 bits. */ | |
1060 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
e366b469 PG |
1061 | # endif |
1062 | ||
a0d0e21e LW |
1063 | sv = SP[4]; |
1064 | if (SvOK(sv)) { | |
1065 | value = SvNV(sv); | |
1066 | if (value < 0.0) | |
1067 | value = 0.0; | |
1068 | timebuf.tv_sec = (long)value; | |
65202027 | 1069 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1070 | timebuf.tv_usec = (long)(value * 1000000.0); |
1071 | } | |
1072 | else | |
0e2d6244 | 1073 | tbuf = NULL; |
a0d0e21e LW |
1074 | |
1075 | for (i = 1; i <= 3; i++) { | |
1076 | sv = SP[i]; | |
7123f0a1 | 1077 | if (!SvOK(sv) || SvCUR(sv) == 0) { |
a0d0e21e LW |
1078 | fd_sets[i] = 0; |
1079 | continue; | |
1080 | } | |
7123f0a1 | 1081 | assert(SvPOK(sv)); |
a0d0e21e LW |
1082 | j = SvLEN(sv); |
1083 | if (j < growsize) { | |
1084 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1085 | } |
c07a80fd | 1086 | j = SvCUR(sv); |
1087 | s = SvPVX(sv) + j; | |
1088 | while (++j <= growsize) { | |
1089 | *s++ = '\0'; | |
1090 | } | |
1091 | ||
a0d0e21e LW |
1092 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1093 | s = SvPVX(sv); | |
cd7a8267 | 1094 | Newx(fd_sets[i], growsize, char); |
a0d0e21e LW |
1095 | for (offset = 0; offset < growsize; offset += masksize) { |
1096 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1097 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1098 | } | |
1099 | #else | |
1100 | fd_sets[i] = SvPVX(sv); | |
1101 | #endif | |
1102 | } | |
1103 | ||
fd4f854d NC |
1104 | #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST |
1105 | /* Can't make just the (void*) conditional because that would be | |
1106 | * cpp #if within cpp macro, and not all compilers like that. */ | |
1107 | nfound = PerlSock_select( | |
1108 | maxlen * 8, | |
1109 | (Select_fd_set_t) fd_sets[1], | |
1110 | (Select_fd_set_t) fd_sets[2], | |
1111 | (Select_fd_set_t) fd_sets[3], | |
1112 | (void*) tbuf); /* Workaround for compiler bug. */ | |
1113 | #else | |
6ad3d225 | 1114 | nfound = PerlSock_select( |
a0d0e21e LW |
1115 | maxlen * 8, |
1116 | (Select_fd_set_t) fd_sets[1], | |
1117 | (Select_fd_set_t) fd_sets[2], | |
1118 | (Select_fd_set_t) fd_sets[3], | |
1119 | tbuf); | |
fd4f854d | 1120 | #endif |
a0d0e21e LW |
1121 | for (i = 1; i <= 3; i++) { |
1122 | if (fd_sets[i]) { | |
1123 | sv = SP[i]; | |
1124 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1125 | s = SvPVX(sv); | |
1126 | for (offset = 0; offset < growsize; offset += masksize) { | |
1127 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1128 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1129 | } | |
1130 | Safefree(fd_sets[i]); | |
1131 | #endif | |
1132 | SvSETMAGIC(sv); | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | PUSHi(nfound); | |
1137 | if (GIMME == G_ARRAY && tbuf) { | |
65202027 DS |
1138 | value = (NV)(timebuf.tv_sec) + |
1139 | (NV)(timebuf.tv_usec) / 1000000.0; | |
937d123c | 1140 | PUSHs(sv_2mortal(newSVnv(value))); |
a0d0e21e LW |
1141 | } |
1142 | RETURN; | |
1143 | #else | |
cea2e8a9 | 1144 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1145 | #endif |
1146 | } | |
1147 | ||
4633a7c4 | 1148 | void |
864dbfa3 | 1149 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 | 1150 | { |
be2d5e07 | 1151 | SvREFCNT_inc_simple_void(gv); |
3280af22 NIS |
1152 | if (PL_defoutgv) |
1153 | SvREFCNT_dec(PL_defoutgv); | |
1154 | PL_defoutgv = gv; | |
4633a7c4 LW |
1155 | } |
1156 | ||
a0d0e21e LW |
1157 | PP(pp_select) |
1158 | { | |
39644a26 | 1159 | dSP; dTARGET; |
4633a7c4 | 1160 | HV *hv; |
8e7b0921 | 1161 | GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : NULL; |
6d29369a | 1162 | GV * egv = GvEGV(PL_defoutgv); |
4633a7c4 | 1163 | |
4633a7c4 | 1164 | if (!egv) |
3280af22 | 1165 | egv = PL_defoutgv; |
4633a7c4 LW |
1166 | hv = GvSTASH(egv); |
1167 | if (! hv) | |
3280af22 | 1168 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1169 | else { |
1a9219e7 | 1170 | GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1171 | if (gvp && *gvp == egv) { |
0e2d6244 | 1172 | gv_efullname4(TARG, PL_defoutgv, NULL, TRUE); |
f86702cc | 1173 | XPUSHTARG; |
1174 | } | |
1175 | else { | |
1176 | XPUSHs(sv_2mortal(newRV((SV*)egv))); | |
1177 | } | |
4633a7c4 LW |
1178 | } |
1179 | ||
1180 | if (newdefout) { | |
ded8aa31 GS |
1181 | if (!GvIO(newdefout)) |
1182 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1183 | setdefout(newdefout); |
1184 | } | |
1185 | ||
a0d0e21e LW |
1186 | RETURN; |
1187 | } | |
1188 | ||
1189 | PP(pp_getc) | |
1190 | { | |
39644a26 | 1191 | dSP; dTARGET; |
90133b69 | 1192 | IO *io = NULL; |
ce7d4f40 | 1193 | GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs; |
2ae324a7 | 1194 | |
8e7b0921 AL |
1195 | if (gv && (io = GvIO(gv))) { |
1196 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
1197 | if (mg) { | |
1198 | const I32 gimme = GIMME_V; | |
1199 | PUSHMARK(SP); | |
1200 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
1201 | PUTBACK; | |
1202 | ENTER; | |
1203 | call_method("GETC", gimme); | |
1204 | LEAVE; | |
1205 | SPAGAIN; | |
1206 | if (gimme == G_SCALAR) | |
1207 | SvSetMagicSV_nosteal(TARG, TOPs); | |
1208 | RETURN; | |
1209 | } | |
2ae324a7 | 1210 | } |
90133b69 | 1211 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
f5e9f069 NC |
1212 | if ((!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)) |
1213 | && ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
90133b69 | 1214 | report_evil_fh(gv, io, PL_op->op_type); |
b5fe5ca2 | 1215 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1216 | RETPUSHUNDEF; |
90133b69 | 1217 | } |
bbce6d69 | 1218 | TAINT; |
2a8de9e2 | 1219 | sv_setpvn(TARG, " ", 1); |
9bc64814 | 1220 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1221 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1222 | /* Find out how many bytes the char needs */ | |
fdac8c4b | 1223 | Size_t len = UTF8SKIP(SvPVX_const(TARG)); |
7d59b7e4 NIS |
1224 | if (len > 1) { |
1225 | SvGROW(TARG,len+1); | |
1226 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1227 | SvCUR_set(TARG,1+len); | |
1228 | } | |
1229 | SvUTF8_on(TARG); | |
1230 | } | |
a0d0e21e LW |
1231 | PUSHTARG; |
1232 | RETURN; | |
1233 | } | |
1234 | ||
76e3520e | 1235 | STATIC OP * |
cea2e8a9 | 1236 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1237 | { |
c09156bb | 1238 | register PERL_CONTEXT *cx; |
24c2fff4 | 1239 | const I32 gimme = GIMME_V; |
a0d0e21e LW |
1240 | |
1241 | ENTER; | |
1242 | SAVETMPS; | |
1243 | ||
1244 | push_return(retop); | |
146174a9 | 1245 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
a0d0e21e | 1246 | PUSHFORMAT(cx); |
cc09671d RB |
1247 | SAVECOMPPAD(); |
1248 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
a0d0e21e | 1249 | |
4633a7c4 | 1250 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1251 | return CvSTART(cv); |
1252 | } | |
1253 | ||
1254 | PP(pp_enterwrite) | |
1255 | { | |
39644a26 | 1256 | dSP; |
a0d0e21e LW |
1257 | register GV *gv; |
1258 | register IO *io; | |
1259 | GV *fgv; | |
1260 | CV *cv; | |
d2ae4405 | 1261 | SV * tmpsv = NULL; |
a0d0e21e LW |
1262 | |
1263 | if (MAXARG == 0) | |
3280af22 | 1264 | gv = PL_defoutgv; |
a0d0e21e LW |
1265 | else { |
1266 | gv = (GV*)POPs; | |
1267 | if (!gv) | |
3280af22 | 1268 | gv = PL_defoutgv; |
a0d0e21e LW |
1269 | } |
1270 | EXTEND(SP, 1); | |
1271 | io = GvIO(gv); | |
1272 | if (!io) { | |
1273 | RETPUSHNO; | |
1274 | } | |
1275 | if (IoFMT_GV(io)) | |
1276 | fgv = IoFMT_GV(io); | |
1277 | else | |
1278 | fgv = gv; | |
1279 | ||
8e7b0921 AL |
1280 | if (!fgv) |
1281 | goto not_a_format_reference; | |
1282 | ||
a0d0e21e | 1283 | cv = GvFORM(fgv); |
a0d0e21e | 1284 | if (!cv) { |
eb527b6b | 1285 | const char *name; |
d2ae4405 | 1286 | tmpsv = sv_newmortal(); |
eb527b6b NC |
1287 | gv_efullname4(tmpsv, fgv, NULL, FALSE); |
1288 | name = SvPV_nolen_const(tmpsv); | |
1289 | if (name && *name) | |
1290 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
8e7b0921 AL |
1291 | |
1292 | not_a_format_reference: | |
cea2e8a9 | 1293 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1294 | } |
44a8e56a | 1295 | if (CvCLONE(cv)) |
1296 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
a0d0e21e | 1297 | |
44a8e56a | 1298 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1299 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1300 | } |
1301 | ||
1302 | PP(pp_leavewrite) | |
1303 | { | |
39644a26 | 1304 | dSP; |
ce7d4f40 AL |
1305 | GV * const gv = cxstack[cxstack_ix].blk_sub.gv; |
1306 | register IO * const io = GvIOp(gv); | |
eb527b6b | 1307 | PerlIO *ofp; |
760ac839 | 1308 | PerlIO *fp; |
4f1e9d25 AL |
1309 | SV **newsp; |
1310 | I32 gimme; | |
c09156bb | 1311 | register PERL_CONTEXT *cx; |
a0d0e21e | 1312 | |
eb527b6b NC |
1313 | if (!io || !(ofp = IoOFP(io))) |
1314 | goto forget_top; | |
1315 | ||
760ac839 | 1316 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1317 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
eb527b6b | 1318 | |
3280af22 NIS |
1319 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1320 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1321 | { |
4633a7c4 LW |
1322 | GV *fgv; |
1323 | CV *cv; | |
a0d0e21e LW |
1324 | if (!IoTOP_GV(io)) { |
1325 | GV *topgv; | |
a0d0e21e LW |
1326 | |
1327 | if (!IoTOP_NAME(io)) { | |
ce7d4f40 | 1328 | SV *topname; |
a0d0e21e LW |
1329 | if (!IoFMT_NAME(io)) |
1330 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
6a1959a6 | 1331 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv))); |
057b822e | 1332 | topgv = gv_fetchsv(topname, 0, SVt_PVFM); |
748a9306 | 1333 | if ((topgv && GvFORM(topgv)) || |
b977d03a | 1334 | !gv_fetchpvs("top", GV_NOTQUAL, SVt_PVFM)) |
04851bb3 | 1335 | IoTOP_NAME(io) = savesvpv(topname); |
a0d0e21e | 1336 | else |
d7559646 | 1337 | IoTOP_NAME(io) = savepvs("top"); |
a0d0e21e | 1338 | } |
057b822e | 1339 | topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM); |
a0d0e21e | 1340 | if (!topgv || !GvFORM(topgv)) { |
922661e1 | 1341 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
a0d0e21e LW |
1342 | goto forget_top; |
1343 | } | |
1344 | IoTOP_GV(io) = topgv; | |
1345 | } | |
748a9306 LW |
1346 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1347 | I32 lines = IoLINES_LEFT(io); | |
547d29e4 | 1348 | const char *s = SvPVX_const(PL_formtarget); |
8e07c86e AD |
1349 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1350 | goto forget_top; | |
748a9306 LW |
1351 | while (lines-- > 0) { |
1352 | s = strchr(s, '\n'); | |
1353 | if (!s) | |
1354 | break; | |
1355 | s++; | |
1356 | } | |
1357 | if (s) { | |
24c2fff4 | 1358 | const STRLEN save = SvCUR(PL_formtarget); |
fdac8c4b | 1359 | SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget)); |
d75029d0 NIS |
1360 | do_print(PL_formtarget, ofp); |
1361 | SvCUR_set(PL_formtarget, save); | |
43ddb862 | 1362 | sv_chop(PL_formtarget, (char *)s); |
3280af22 | 1363 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); |
748a9306 LW |
1364 | } |
1365 | } | |
a0d0e21e | 1366 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1367 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1368 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1369 | IoPAGE(io)++; | |
3280af22 | 1370 | PL_formtarget = PL_toptarget; |
748a9306 | 1371 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1372 | fgv = IoTOP_GV(io); |
1373 | if (!fgv) | |
cea2e8a9 | 1374 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1375 | cv = GvFORM(fgv); |
228fe6e6 AL |
1376 | if (!cv) { |
1377 | SV * const sv = sv_newmortal(); | |
481da01c | 1378 | const char *name; |
0e2d6244 | 1379 | gv_efullname4(sv, fgv, NULL, FALSE); |
c06c673c | 1380 | name = SvPV_nolen_const(sv); |
2dd78f96 | 1381 | if (name && *name) |
5100483f NC |
1382 | DIE(aTHX_ "Undefined top format \"%s\" called", name); |
1383 | else | |
1384 | DIE(aTHX_ "Undefined top format called"); | |
4633a7c4 | 1385 | } |
5100483f | 1386 | if (cv && CvCLONE(cv)) |
44a8e56a | 1387 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
5100483f | 1388 | return doform(cv, gv, PL_op); |
a0d0e21e LW |
1389 | } |
1390 | ||
1391 | forget_top: | |
3280af22 | 1392 | POPBLOCK(cx,PL_curpm); |
a0d0e21e LW |
1393 | POPFORMAT(cx); |
1394 | LEAVE; | |
1395 | ||
1396 | fp = IoOFP(io); | |
1397 | if (!fp) { | |
599cee73 | 1398 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
5681398e NC |
1399 | if (IoIFP(io)) |
1400 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1401 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1402 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1403 | } |
3280af22 | 1404 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1405 | } |
1406 | else { | |
3280af22 | 1407 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
599cee73 | 1408 | if (ckWARN(WARN_IO)) |
9014280d | 1409 | Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1410 | } |
d75029d0 | 1411 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1412 | PUSHs(&PL_sv_no); |
a0d0e21e | 1413 | else { |
3280af22 NIS |
1414 | FmLINES(PL_formtarget) = 0; |
1415 | SvCUR_set(PL_formtarget, 0); | |
1416 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1417 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1418 | (void)PerlIO_flush(fp); |
3280af22 | 1419 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1420 | } |
1421 | } | |
9cbac4c7 | 1422 | /* bad_ofp: */ |
3280af22 | 1423 | PL_formtarget = PL_bodytarget; |
a0d0e21e | 1424 | PUTBACK; |
a2592645 NC |
1425 | PERL_UNUSED_VAR(newsp); |
1426 | PERL_UNUSED_VAR(gimme); | |
a0d0e21e LW |
1427 | return pop_return(); |
1428 | } | |
1429 | ||
1430 | PP(pp_prtf) | |
1431 | { | |
39644a26 | 1432 | dSP; dMARK; dORIGMARK; |
a0d0e21e | 1433 | IO *io; |
760ac839 | 1434 | PerlIO *fp; |
26db47c4 | 1435 | SV *sv; |
a0d0e21e | 1436 | |
1a9219e7 | 1437 | GV * const gv = (PL_op->op_flags & OPf_STACKED) ? (GV*)*++MARK : PL_defoutgv; |
46fc3d4c | 1438 | |
8e7b0921 AL |
1439 | if (gv && (io = GvIO(gv))) { |
1440 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
1441 | if (mg) { | |
1442 | if (MARK == ORIGMARK) { | |
1443 | MEXTEND(SP, 1); | |
1444 | ++MARK; | |
1445 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1446 | ++SP; | |
1447 | } | |
1448 | PUSHMARK(MARK - 1); | |
1449 | *MARK = SvTIED_obj((SV*)io, mg); | |
1450 | PUTBACK; | |
1451 | ENTER; | |
1452 | call_method("PRINTF", G_SCALAR); | |
1453 | LEAVE; | |
1454 | SPAGAIN; | |
1455 | MARK = ORIGMARK + 1; | |
1456 | *MARK = *SP; | |
1457 | SP = MARK; | |
1458 | RETURN; | |
1459 | } | |
46fc3d4c | 1460 | } |
1461 | ||
133cdda0 | 1462 | sv = newSV(0); |
a0d0e21e | 1463 | if (!(io = GvIO(gv))) { |
2dd78f96 JH |
1464 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1465 | report_evil_fh(gv, io, PL_op->op_type); | |
5b7ea690 | 1466 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
1467 | goto just_say_no; |
1468 | } | |
1469 | else if (!(fp = IoOFP(io))) { | |
599cee73 | 1470 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
5681398e NC |
1471 | if (IoIFP(io)) |
1472 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1473 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1474 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1475 | } |
5b7ea690 | 1476 | SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI); |
a0d0e21e LW |
1477 | goto just_say_no; |
1478 | } | |
1479 | else { | |
1480 | do_sprintf(sv, SP - MARK, MARK + 1); | |
1481 | if (!do_print(sv, fp)) | |
1482 | goto just_say_no; | |
1483 | ||
1484 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1485 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1486 | goto just_say_no; |
1487 | } | |
1488 | SvREFCNT_dec(sv); | |
1489 | SP = ORIGMARK; | |
3280af22 | 1490 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1491 | RETURN; |
1492 | ||
1493 | just_say_no: | |
1494 | SvREFCNT_dec(sv); | |
1495 | SP = ORIGMARK; | |
3280af22 | 1496 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1497 | RETURN; |
1498 | } | |
1499 | ||
c07a80fd | 1500 | PP(pp_sysopen) |
1501 | { | |
39644a26 | 1502 | dSP; |
228fe6e6 AL |
1503 | const int perm = (MAXARG > 3) ? POPi : 0666; |
1504 | const int mode = POPi; | |
ce7d4f40 AL |
1505 | SV * const sv = POPs; |
1506 | GV * const gv = (GV *)POPs; | |
1507 | STRLEN len; | |
c07a80fd | 1508 | |
4592e6ca | 1509 | /* Need TIEHANDLE method ? */ |
ce7d4f40 | 1510 | const char * const tmps = SvPV_const(sv, len); |
c06c673c | 1511 | /* FIXME? do_open should do const */ |
0e2d6244 | 1512 | if (do_open(gv, (char*)tmps, len, TRUE, mode, perm, NULL)) { |
c07a80fd | 1513 | IoLINES(GvIOp(gv)) = 0; |
3280af22 | 1514 | PUSHs(&PL_sv_yes); |
c07a80fd | 1515 | } |
1516 | else { | |
3280af22 | 1517 | PUSHs(&PL_sv_undef); |
c07a80fd | 1518 | } |
1519 | RETURN; | |
1520 | } | |
1521 | ||
a0d0e21e LW |
1522 | PP(pp_sysread) |
1523 | { | |
39644a26 | 1524 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1525 | int offset; |
a0d0e21e LW |
1526 | IO *io; |
1527 | char *buffer; | |
5b54f415 | 1528 | SSize_t length; |
eb5c063a | 1529 | SSize_t count; |
1e422769 | 1530 | Sock_size_t bufsize; |
748a9306 | 1531 | SV *bufsv; |
a0d0e21e | 1532 | STRLEN blen; |
eb5c063a | 1533 | int fp_utf8; |
2ae92515 NC |
1534 | int buffer_utf8; |
1535 | SV *read_target; | |
eb5c063a NIS |
1536 | Size_t got = 0; |
1537 | Size_t wanted; | |
1d636c13 | 1538 | bool charstart = FALSE; |
87330c3c JH |
1539 | STRLEN charskip = 0; |
1540 | STRLEN skip = 0; | |
a0d0e21e | 1541 | |
ce7d4f40 | 1542 | GV * const gv = (GV*)*++MARK; |
5b468f54 | 1543 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
ce7d4f40 | 1544 | && gv && (io = GvIO(gv)) ) |
137443ea | 1545 | { |
ce7d4f40 AL |
1546 | const MAGIC * mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); |
1547 | if (mg) { | |
1548 | SV *sv; | |
1549 | PUSHMARK(MARK-1); | |
1550 | *MARK = SvTIED_obj((SV*)io, mg); | |
1551 | ENTER; | |
1552 | call_method("READ", G_SCALAR); | |
1553 | LEAVE; | |
1554 | SPAGAIN; | |
1555 | sv = POPs; | |
1556 | SP = ORIGMARK; | |
1557 | PUSHs(sv); | |
1558 | RETURN; | |
1559 | } | |
2ae324a7 | 1560 | } |
1561 | ||
a0d0e21e LW |
1562 | if (!gv) |
1563 | goto say_undef; | |
748a9306 | 1564 | bufsv = *++MARK; |
ff68c719 | 1565 | if (! SvOK(bufsv)) |
1566 | sv_setpvn(bufsv, "", 0); | |
a0d0e21e | 1567 | length = SvIVx(*++MARK); |
748a9306 | 1568 | SETERRNO(0,0); |
a0d0e21e LW |
1569 | if (MARK < SP) |
1570 | offset = SvIVx(*++MARK); | |
1571 | else | |
1572 | offset = 0; | |
1573 | io = GvIO(gv); | |
b5fe5ca2 SR |
1574 | if (!io || !IoIFP(io)) { |
1575 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
1576 | report_evil_fh(gv, io, PL_op->op_type); | |
1577 | SETERRNO(EBADF,RMS_IFI); | |
a0d0e21e | 1578 | goto say_undef; |
b5fe5ca2 | 1579 | } |
0064a8a9 | 1580 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1581 | buffer = SvPVutf8_force(bufsv, blen); |
cd458e05 | 1582 | /* UTF-8 may not have been set if they are all low bytes */ |
eb5c063a | 1583 | SvUTF8_on(bufsv); |
2ae92515 | 1584 | buffer_utf8 = 0; |
7d59b7e4 NIS |
1585 | } |
1586 | else { | |
1587 | buffer = SvPV_force(bufsv, blen); | |
2ae92515 | 1588 | buffer_utf8 = !IN_BYTES && SvUTF8(bufsv); |
7d59b7e4 NIS |
1589 | } |
1590 | if (length < 0) | |
1591 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1592 | wanted = length; |
7d59b7e4 | 1593 | |
d0965105 JH |
1594 | charstart = TRUE; |
1595 | charskip = 0; | |
87330c3c | 1596 | skip = 0; |
d0965105 | 1597 | |
a0d0e21e | 1598 | #ifdef HAS_SOCKET |
533c011a | 1599 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1600 | char namebuf[MAXPATHLEN]; |
17a8c7ba | 1601 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) |
490ab354 JH |
1602 | bufsize = sizeof (struct sockaddr_in); |
1603 | #else | |
46fc3d4c | 1604 | bufsize = sizeof namebuf; |
490ab354 | 1605 | #endif |
abf95952 IZ |
1606 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1607 | if (bufsize >= 256) | |
1608 | bufsize = 255; | |
1609 | #endif | |
eb160463 | 1610 | buffer = SvGROW(bufsv, (STRLEN)(length+1)); |
bbce6d69 | 1611 | /* 'offset' means 'flags' here */ |
eb5c063a | 1612 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
d2ae4405 | 1613 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1614 | if (count < 0) |
a0d0e21e | 1615 | RETPUSHUNDEF; |
4107cc59 OF |
1616 | #ifdef EPOC |
1617 | /* Bogus return without padding */ | |
1618 | bufsize = sizeof (struct sockaddr_in); | |
1619 | #endif | |
eb5c063a | 1620 | SvCUR_set(bufsv, count); |
748a9306 LW |
1621 | *SvEND(bufsv) = '\0'; |
1622 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1623 | if (fp_utf8) |
1624 | SvUTF8_on(bufsv); | |
748a9306 | 1625 | SvSETMAGIC(bufsv); |
aac0dd9a | 1626 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1627 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1628 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1629 | SP = ORIGMARK; |
46fc3d4c | 1630 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1631 | PUSHs(TARG); |
1632 | RETURN; | |
1633 | } | |
1634 | #else | |
911d147d | 1635 | if (PL_op->op_type == OP_RECV) |
cea2e8a9 | 1636 | DIE(aTHX_ PL_no_sock_func, "recv"); |
a0d0e21e | 1637 | #endif |
eb5c063a NIS |
1638 | if (DO_UTF8(bufsv)) { |
1639 | /* offset adjust in characters not bytes */ | |
1640 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1641 | } |
bbce6d69 | 1642 | if (offset < 0) { |
eb160463 | 1643 | if (-offset > (int)blen) |
cea2e8a9 | 1644 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1645 | offset += blen; |
1646 | } | |
eb5c063a NIS |
1647 | if (DO_UTF8(bufsv)) { |
1648 | /* convert offset-as-chars to offset-as-bytes */ | |
765545f3 NC |
1649 | if (offset >= (int)blen) |
1650 | offset += SvCUR(bufsv) - blen; | |
1651 | else | |
1652 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
eb5c063a NIS |
1653 | } |
1654 | more_bytes: | |
cd52b7b2 | 1655 | bufsize = SvCUR(bufsv); |
2ae92515 NC |
1656 | /* Allocating length + offset + 1 isn't perfect in the case of reading |
1657 | bytes from a byte file handle into a UTF8 buffer, but it won't harm us | |
1658 | unduly. | |
1659 | (should be 2 * length + offset + 1, or possibly something longer if | |
1660 | PL_encoding is true) */ | |
eb160463 | 1661 | buffer = SvGROW(bufsv, (STRLEN)(length+offset+1)); |
fe20fd30 | 1662 | if (offset > 0 && (Sock_size_t)offset > bufsize) { /* Zero any newly allocated space */ |
cd52b7b2 | 1663 | Zero(buffer+bufsize, offset-bufsize, char); |
1664 | } | |
eb5c063a | 1665 | buffer = buffer + offset; |
2ae92515 NC |
1666 | if (!buffer_utf8) { |
1667 | read_target = bufsv; | |
1668 | } else { | |
1669 | /* Best to read the bytes into a new SV, upgrade that to UTF8, then | |
1670 | concatenate it to the current buffer. */ | |
1671 | ||
1672 | /* Truncate the existing buffer to the start of where we will be | |
1673 | reading to: */ | |
1674 | SvCUR_set(bufsv, offset); | |
1675 | ||
1676 | read_target = sv_newmortal(); | |
74d4ec60 | 1677 | (void)SvUPGRADE(read_target, SVt_PV); |
39f667bb | 1678 | buffer = SvGROW(read_target, (STRLEN)(length + 1)); |
2ae92515 | 1679 | } |
eb5c063a | 1680 | |
533c011a | 1681 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1682 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1683 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1684 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1685 | buffer, length, 0); | |
a7092146 GS |
1686 | } |
1687 | else | |
1688 | #endif | |
1689 | { | |
eb5c063a NIS |
1690 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1691 | buffer, length); | |
a7092146 | 1692 | } |
a0d0e21e LW |
1693 | } |
1694 | else | |
1695 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1696 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1697 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1698 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1699 | bufsize = sizeof (struct sockaddr_in); | |
1700 | #else | |
46fc3d4c | 1701 | bufsize = sizeof namebuf; |
490ab354 | 1702 | #endif |
eb5c063a | 1703 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1704 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1705 | } |
1706 | else | |
1707 | #endif | |
3b02c43c | 1708 | { |
eb5c063a NIS |
1709 | count = PerlIO_read(IoIFP(io), buffer, length); |
1710 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1711 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1712 | count = -1; | |
3b02c43c | 1713 | } |
eb5c063a | 1714 | if (count < 0) { |
a00b5bd3 | 1715 | if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO)) |
5681398e | 1716 | report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY); |
a0d0e21e | 1717 | goto say_undef; |
af8c498a | 1718 | } |
fdac8c4b | 1719 | SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target))); |
2ae92515 NC |
1720 | *SvEND(read_target) = '\0'; |
1721 | (void)SvPOK_only(read_target); | |
0064a8a9 | 1722 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a | 1723 | /* Look at utf8 we got back and count the characters */ |
228fe6e6 | 1724 | const char *bend = buffer + count; |
eb5c063a | 1725 | while (buffer < bend) { |
d0965105 JH |
1726 | if (charstart) { |
1727 | skip = UTF8SKIP(buffer); | |
1728 | charskip = 0; | |
1729 | } | |
1730 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1731 | /* partial character - try for rest of it */ |
1732 | length = skip - (bend-buffer); | |
fdac8c4b | 1733 | offset = bend - SvPVX_const(bufsv); |
d0965105 JH |
1734 | charstart = FALSE; |
1735 | charskip += count; | |
eb5c063a NIS |
1736 | goto more_bytes; |
1737 | } | |
1738 | else { | |
1739 | got++; | |
1740 | buffer += skip; | |
d0965105 JH |
1741 | charstart = TRUE; |
1742 | charskip = 0; | |
eb5c063a NIS |
1743 | } |
1744 | } | |
1745 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1746 | provided amount read (count) was what was requested (length) | |
1747 | */ | |
1748 | if (got < wanted && count == length) { | |
d0965105 | 1749 | length = wanted - got; |
fdac8c4b | 1750 | offset = bend - SvPVX_const(bufsv); |
eb5c063a NIS |
1751 | goto more_bytes; |
1752 | } | |
1753 | /* return value is character count */ | |
1754 | count = got; | |
1755 | SvUTF8_on(bufsv); | |
1756 | } | |
2ae92515 NC |
1757 | else if (buffer_utf8) { |
1758 | /* Let svcatsv upgrade the bytes we read in to utf8. | |
1759 | The buffer is a mortal so will be freed soon. */ | |
1760 | sv_catsv_nomg(bufsv, read_target); | |
1761 | } | |
748a9306 | 1762 | SvSETMAGIC(bufsv); |
aac0dd9a | 1763 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1764 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1765 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1766 | SP = ORIGMARK; |
eb5c063a | 1767 | PUSHi(count); |
a0d0e21e LW |
1768 | RETURN; |
1769 | ||
1770 | say_undef: | |
1771 | SP = ORIGMARK; | |
1772 | RETPUSHUNDEF; | |
1773 | } | |
1774 | ||
a0d0e21e LW |
1775 | PP(pp_send) |
1776 | { | |
39644a26 | 1777 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1778 | IO *io; |
748a9306 | 1779 | SV *bufsv; |
c06c673c | 1780 | const char *buffer; |
8c99d73e | 1781 | SSize_t retval; |
a0d0e21e | 1782 | STRLEN blen; |
5466829a | 1783 | STRLEN orig_blen_bytes; |
4fbce521 | 1784 | const int op_type = PL_op->op_type; |
5466829a TS |
1785 | bool doing_utf8; |
1786 | U8 *tmpbuf = NULL; | |
4fbce521 | 1787 | |
6d29369a | 1788 | GV *const gv = (GV*)*++MARK; |
14befaf4 | 1789 | if (PL_op->op_type == OP_SYSWRITE |
8e7b0921 AL |
1790 | && gv && (io = GvIO(gv))) { |
1791 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
1792 | if (mg) { | |
1793 | SV *sv; | |
4fbce521 | 1794 | |
8e7b0921 AL |
1795 | if (MARK == SP - 1) { |
1796 | EXTEND(SP, 1000); | |
1797 | sv = sv_2mortal(newSViv(sv_len(*SP))); | |
1798 | PUSHs(sv); | |
1799 | PUTBACK; | |
1800 | } | |
1801 | ||
1802 | PUSHMARK(ORIGMARK); | |
1803 | *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg); | |
1804 | ENTER; | |
1805 | call_method("WRITE", G_SCALAR); | |
1806 | LEAVE; | |
1807 | SPAGAIN; | |
1808 | sv = POPs; | |
1809 | SP = ORIGMARK; | |
4fbce521 | 1810 | PUSHs(sv); |
8e7b0921 | 1811 | RETURN; |
4fbce521 | 1812 | } |
1d603a67 | 1813 | } |
a0d0e21e LW |
1814 | if (!gv) |
1815 | goto say_undef; | |
4fbce521 | 1816 | |
748a9306 | 1817 | bufsv = *++MARK; |
4fbce521 | 1818 | |
748a9306 | 1819 | SETERRNO(0,0); |
a0d0e21e | 1820 | io = GvIO(gv); |
c8271eaf | 1821 | if (!io || !IoIFP(io) || IoTYPE(io) == IoTYPE_RDONLY) { |
8c99d73e | 1822 | retval = -1; |
c8271eaf NC |
1823 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
1824 | if (io && IoIFP(io)) | |
1825 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
1826 | else | |
1827 | report_evil_fh(gv, io, PL_op->op_type); | |
1828 | } | |
b5fe5ca2 | 1829 | SETERRNO(EBADF,RMS_IFI); |
7d59b7e4 NIS |
1830 | goto say_undef; |
1831 | } | |
1832 | ||
5466829a TS |
1833 | /* Do this first to trigger any overloading. */ |
1834 | buffer = SvPV_const(bufsv, blen); | |
1835 | orig_blen_bytes = blen; | |
1836 | doing_utf8 = DO_UTF8(bufsv); | |
1837 | ||
7d59b7e4 | 1838 | if (PerlIO_isutf8(IoIFP(io))) { |
71410450 | 1839 | if (!SvUTF8(bufsv)) { |
5466829a | 1840 | /* We don't modify the original scalar. */ |
8262dadc | 1841 | tmpbuf = bytes_to_utf8((U8*) buffer, &blen); |
5466829a TS |
1842 | buffer = (char *) tmpbuf; |
1843 | doing_utf8 = TRUE; | |
1844 | } | |
a0d0e21e | 1845 | } |
5466829a TS |
1846 | else if (doing_utf8) { |
1847 | STRLEN tmplen = blen; | |
8e7b0921 | 1848 | U8 * const result = bytes_from_utf8((U8*) buffer, &tmplen, &doing_utf8); |
5466829a TS |
1849 | if (!doing_utf8) { |
1850 | tmpbuf = result; | |
1851 | buffer = (char *) tmpbuf; | |
1852 | blen = tmplen; | |
1853 | } | |
1854 | else { | |
1855 | assert((char *)result == buffer); | |
1856 | Perl_croak(aTHX_ "Wide character in %s", OP_DESC(PL_op)); | |
1857 | } | |
7d59b7e4 NIS |
1858 | } |
1859 | ||
4fbce521 | 1860 | if (op_type == OP_SYSWRITE) { |
5466829a TS |
1861 | Size_t length = 0; /* This length is in characters. */ |
1862 | STRLEN blen_chars; | |
7d59b7e4 | 1863 | IV offset; |
5466829a TS |
1864 | |
1865 | if (doing_utf8) { | |
1866 | if (tmpbuf) { | |
1867 | /* The SV is bytes, and we've had to upgrade it. */ | |
1868 | blen_chars = orig_blen_bytes; | |
1869 | } else { | |
1870 | /* The SV really is UTF-8. */ | |
1871 | if (SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
1872 | /* Don't call sv_len_utf8 again because it will call magic | |
1873 | or overloading a second time, and we might get back a | |
1874 | different result. */ | |
2213ec13 | 1875 | blen_chars = utf8_length((U8*)buffer, (U8*)buffer + blen); |
5466829a TS |
1876 | } else { |
1877 | /* It's safe, and it may well be cached. */ | |
1878 | blen_chars = sv_len_utf8(bufsv); | |
1879 | } | |
1880 | } | |
1881 | } else { | |
1882 | blen_chars = blen; | |
1883 | } | |
1884 | ||
1885 | if (MARK >= SP) { | |
1886 | length = blen_chars; | |
1887 | } else { | |
1888 | #if Size_t_size > IVSIZE | |
1889 | length = (Size_t)SvNVx(*++MARK); | |
1890 | #else | |
1891 | length = (Size_t)SvIVx(*++MARK); | |
1892 | #endif | |
29b3fb1d NC |
1893 | if ((SSize_t)length < 0) { |
1894 | Safefree(tmpbuf); | |
5466829a | 1895 | DIE(aTHX_ "Negative length"); |
29b3fb1d | 1896 | } |
7d59b7e4 | 1897 | } |
5466829a | 1898 | |
bbce6d69 | 1899 | if (MARK < SP) { |
a0d0e21e | 1900 | offset = SvIVx(*++MARK); |
bbce6d69 | 1901 | if (offset < 0) { |
29b3fb1d NC |
1902 | if (-offset > (IV)blen_chars) { |
1903 | Safefree(tmpbuf); | |
cea2e8a9 | 1904 | DIE(aTHX_ "Offset outside string"); |
29b3fb1d | 1905 | } |
5466829a | 1906 | offset += blen_chars; |
29b3fb1d NC |
1907 | } else if (offset >= (IV)blen_chars && blen_chars > 0) { |
1908 | Safefree(tmpbuf); | |
cea2e8a9 | 1909 | DIE(aTHX_ "Offset outside string"); |
29b3fb1d | 1910 | } |
bbce6d69 | 1911 | } else |
a0d0e21e | 1912 | offset = 0; |
5466829a TS |
1913 | if (length > blen_chars - offset) |
1914 | length = blen_chars - offset; | |
1915 | if (doing_utf8) { | |
1916 | /* Here we convert length from characters to bytes. */ | |
1917 | if (tmpbuf || SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
1918 | /* Either we had to convert the SV, or the SV is magical, or | |
1919 | the SV has overloading, in which case we can't or mustn't | |
1920 | or mustn't call it again. */ | |
1921 | ||
1922 | buffer = (const char*)utf8_hop((U8 *)buffer, offset); | |
1923 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; | |
1924 | } else { | |
1925 | /* It's a real UTF-8 SV, and it's not going to change under | |
1926 | us. Take advantage of any cache. */ | |
1927 | I32 start = offset; | |
1928 | I32 len_I32 = length; | |
1929 | ||
1930 | /* Convert the start and end character positions to bytes. | |
1931 | Remember that the second argument to sv_pos_u2b is relative | |
1932 | to the first. */ | |
1933 | sv_pos_u2b(bufsv, &start, &len_I32); | |
1934 | ||
1935 | buffer += start; | |
1936 | length = len_I32; | |
1937 | } | |
7d59b7e4 NIS |
1938 | } |
1939 | else { | |
1940 | buffer = buffer+offset; | |
1941 | } | |
a7092146 | 1942 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1943 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1944 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1945 | buffer, length, 0); |
a7092146 GS |
1946 | } |
1947 | else | |
1948 | #endif | |
1949 | { | |
94e4c244 | 1950 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1951 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1952 | buffer, length); |
a7092146 | 1953 | } |
a0d0e21e LW |
1954 | } |
1955 | #ifdef HAS_SOCKET | |
4fbce521 NC |
1956 | else { |
1957 | const int flags = SvIVx(*++MARK); | |
1958 | if (SP > MARK) { | |
1959 | STRLEN mlen; | |
1960 | char * const sockbuf = SvPVx(*++MARK, mlen); | |
1961 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, | |
1962 | flags, (struct sockaddr *)sockbuf, mlen); | |
1963 | } | |
1964 | else { | |
1965 | retval | |
1966 | = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags); | |
1967 | } | |
a0d0e21e | 1968 | } |
a0d0e21e LW |
1969 | #else |
1970 | else | |
cea2e8a9 | 1971 | DIE(aTHX_ PL_no_sock_func, "send"); |
a0d0e21e | 1972 | #endif |
5466829a | 1973 | |
8c99d73e | 1974 | if (retval < 0) |
a0d0e21e LW |
1975 | goto say_undef; |
1976 | SP = ORIGMARK; | |
5466829a | 1977 | if (doing_utf8) |
f36eea10 | 1978 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); |
29b3fb1d | 1979 | |
8e7b0921 | 1980 | Safefree(tmpbuf); |
8c99d73e GS |
1981 | #if Size_t_size > IVSIZE |
1982 | PUSHn(retval); | |
1983 | #else | |
1984 | PUSHi(retval); | |
1985 | #endif | |
a0d0e21e LW |
1986 | RETURN; |
1987 | ||
1988 | say_undef: | |
8e7b0921 | 1989 | Safefree(tmpbuf); |
a0d0e21e LW |
1990 | SP = ORIGMARK; |
1991 | RETPUSHUNDEF; | |
1992 | } | |
1993 | ||
a0d0e21e LW |
1994 | PP(pp_eof) |
1995 | { | |
39644a26 | 1996 | dSP; |
a0d0e21e LW |
1997 | GV *gv; |
1998 | ||
32da55ab | 1999 | if (MAXARG == 0) { |
146174a9 CB |
2000 | if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ |
2001 | IO *io; | |
ed2c6b9b | 2002 | gv = PL_last_in_gv = GvEGV(PL_argvgv); |
146174a9 CB |
2003 | io = GvIO(gv); |
2004 | if (io && !IoIFP(io)) { | |
2005 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
2006 | IoLINES(io) = 0; | |
2007 | IoFLAGS(io) &= ~IOf_START; | |
0e2d6244 | 2008 | do_open(gv, (char *)"-", 1, FALSE, O_RDONLY, 0, NULL); |
146174a9 CB |
2009 | sv_setpvn(GvSV(gv), "-", 1); |
2010 | SvSETMAGIC(GvSV(gv)); | |
2011 | } | |
2012 | else if (!nextargv(gv)) | |
2013 | RETPUSHYES; | |
2014 | } | |
2015 | } | |
2016 | else | |
2017 | gv = PL_last_in_gv; /* eof */ | |
2018 | } | |
a0d0e21e | 2019 | else |
146174a9 | 2020 | gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ |
4592e6ca | 2021 | |
8916b559 NC |
2022 | if (gv) { |
2023 | IO * const io = GvIO(gv); | |
2024 | MAGIC * mg; | |
2025 | if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) { | |
2026 | PUSHMARK(SP); | |
2027 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
2028 | PUTBACK; | |
2029 | ENTER; | |
2030 | call_method("EOF", G_SCALAR); | |
2031 | LEAVE; | |
2032 | SPAGAIN; | |
2033 | RETURN; | |
2034 | } | |
4592e6ca NIS |
2035 | } |
2036 | ||
54310121 | 2037 | PUSHs(boolSV(!gv || do_eof(gv))); |
a0d0e21e LW |
2038 | RETURN; |
2039 | } | |
2040 | ||
2041 | PP(pp_tell) | |
2042 | { | |
39644a26 | 2043 | dSP; dTARGET; |
301e8125 | 2044 | GV *gv; |
5b468f54 | 2045 | IO *io; |
a0d0e21e | 2046 | |
1a9219e7 AL |
2047 | if (MAXARG != 0) |
2048 | PL_last_in_gv = (GV*)POPs; | |
2049 | gv = PL_last_in_gv; | |
4592e6ca | 2050 | |
8e7b0921 AL |
2051 | if (gv && (io = GvIO(gv))) { |
2052 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
2053 | if (mg) { | |
2054 | PUSHMARK(SP); | |
2055 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
2056 | PUTBACK; | |
2057 | ENTER; | |
2058 | call_method("TELL", G_SCALAR); | |
2059 | LEAVE; | |
2060 | SPAGAIN; | |
2061 | RETURN; | |
2062 | } | |
4592e6ca NIS |
2063 | } |
2064 | ||
146174a9 CB |
2065 | #if LSEEKSIZE > IVSIZE |
2066 | PUSHn( do_tell(gv) ); | |
2067 | #else | |
a0d0e21e | 2068 | PUSHi( do_tell(gv) ); |
146174a9 | 2069 | #endif |
a0d0e21e LW |
2070 | RETURN; |
2071 | } | |
2072 | ||
137443ea | 2073 | PP(pp_sysseek) |
2074 | { | |
39644a26 | 2075 | dSP; |
228fe6e6 | 2076 | const int whence = POPi; |
146174a9 | 2077 | #if LSEEKSIZE > IVSIZE |
6d29369a | 2078 | const Off_t offset = (Off_t)SvNVx(POPs); |
146174a9 | 2079 | #else |
6d29369a | 2080 | const Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 2081 | #endif |
a0d0e21e | 2082 | |
6d29369a | 2083 | GV * const gv = PL_last_in_gv = (GV*)POPs; |
8e7b0921 | 2084 | IO *io; |
4592e6ca | 2085 | |
8e7b0921 AL |
2086 | if (gv && (io = GvIO(gv))) { |
2087 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
2088 | if (mg) { | |
2089 | PUSHMARK(SP); | |
2090 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
cb50131a | 2091 | #if LSEEKSIZE > IVSIZE |
8e7b0921 | 2092 | XPUSHs(sv_2mortal(newSVnv((NV) offset))); |
cb50131a | 2093 | #else |
8e7b0921 | 2094 | XPUSHs(sv_2mortal(newSViv(offset))); |
cb50131a | 2095 | #endif |
8e7b0921 AL |
2096 | XPUSHs(sv_2mortal(newSViv(whence))); |
2097 | PUTBACK; | |
2098 | ENTER; | |
2099 | call_method("SEEK", G_SCALAR); | |
2100 | LEAVE; | |
2101 | SPAGAIN; | |
2102 | RETURN; | |
2103 | } | |
4592e6ca NIS |
2104 | } |
2105 | ||
533c011a | 2106 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2107 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2108 | else { | |
7508116b | 2109 | const Off_t sought = do_sysseek(gv, offset, whence); |
b448e4fe | 2110 | if (sought < 0) |
146174a9 CB |
2111 | PUSHs(&PL_sv_undef); |
2112 | else { | |
6d29369a | 2113 | SV* const sv = sought ? |
146174a9 | 2114 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2115 | newSVnv((NV)sought) |
146174a9 | 2116 | #else |
b448e4fe | 2117 | newSViv(sought) |
146174a9 CB |
2118 | #endif |
2119 | : newSVpvn(zero_but_true, ZBTLEN); | |
2120 | PUSHs(sv_2mortal(sv)); | |
2121 | } | |
8903cb82 | 2122 | } |
a0d0e21e LW |
2123 | RETURN; |
2124 | } | |
2125 | ||
2126 | PP(pp_truncate) | |
2127 | { | |
39644a26 | 2128 | dSP; |
8c99d73e GS |
2129 | /* There seems to be no consensus on the length type of truncate() |
2130 | * and ftruncate(), both off_t and size_t have supporters. In | |
2131 | * general one would think that when using large files, off_t is | |
2132 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2133 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
7508116b | 2134 | Off_t len; |
a0d0e21e | 2135 | |
25342a55 | 2136 | #if Off_t_size > IVSIZE |
7508116b | 2137 | len = (Off_t)POPn; |
8c99d73e | 2138 | #else |
7508116b | 2139 | len = (Off_t)POPi; |
8c99d73e GS |
2140 | #endif |
2141 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2142 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2143 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2144 | SETERRNO(0,0); |
d05c1ba0 | 2145 | { |
d05c1ba0 JH |
2146 | int result = 1; |
2147 | GV *tmpgv; | |
fe1d0b35 JH |
2148 | IO *io; |
2149 | ||
d05c1ba0 | 2150 | if (PL_op->op_flags & OPf_SPECIAL) { |
057b822e | 2151 | tmpgv = gv_fetchsv(POPs, 0, SVt_PVIO); |
d05c1ba0 | 2152 | |
fe1d0b35 JH |
2153 | do_ftruncate_gv: |
2154 | if (!GvIO(tmpgv)) | |
2155 | result = 0; | |
d05c1ba0 | 2156 | else { |
fe1d0b35 JH |
2157 | PerlIO *fp; |
2158 | io = GvIOp(tmpgv); | |
2159 | do_ftruncate_io: | |
2160 | TAINT_PROPER("truncate"); | |
2161 | if (!(fp = IoIFP(io))) { | |
2162 | result = 0; | |
2163 | } | |
2164 | else { | |
2165 | PerlIO_flush(fp); | |
cbdc8872 | 2166 | #ifdef HAS_TRUNCATE |
fe1d0b35 | 2167 | if (ftruncate(PerlIO_fileno(fp), len) < 0) |
301e8125 | 2168 | #else |
fe1d0b35 | 2169 | if (my_chsize(PerlIO_fileno(fp), len) < 0) |
cbdc8872 | 2170 | #endif |
fe1d0b35 JH |
2171 | result = 0; |
2172 | } | |
d05c1ba0 | 2173 | } |
cbdc8872 | 2174 | } |
d05c1ba0 | 2175 | else { |
6d29369a | 2176 | SV * const sv = POPs; |
c06c673c | 2177 | const char *name; |
057b822e | 2178 | |
d05c1ba0 JH |
2179 | if (SvTYPE(sv) == SVt_PVGV) { |
2180 | tmpgv = (GV*)sv; /* *main::FRED for example */ | |
fe1d0b35 | 2181 | goto do_ftruncate_gv; |
d05c1ba0 JH |
2182 | } |
2183 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2184 | tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ | |
fe1d0b35 JH |
2185 | goto do_ftruncate_gv; |
2186 | } | |
2187 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
2188 | io = (IO*) SvRV(sv); /* *main::FRED{IO} for example */ | |
2189 | goto do_ftruncate_io; | |
d05c1ba0 | 2190 | } |
1e422769 | 2191 | |
c06c673c | 2192 | name = SvPV_nolen_const(sv); |
d05c1ba0 | 2193 | TAINT_PROPER("truncate"); |
cbdc8872 | 2194 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2195 | if (truncate(name, len) < 0) |
2196 | result = 0; | |
cbdc8872 | 2197 | #else |
d05c1ba0 | 2198 | { |
6d29369a | 2199 | const int tmpfd = PerlLIO_open(name, O_RDWR); |
d05c1ba0 | 2200 | |
6d29369a | 2201 | if (tmpfd < 0) |
cbdc8872 | 2202 | result = 0; |
d05c1ba0 JH |
2203 | else { |
2204 | if (my_chsize(tmpfd, len) < 0) | |
2205 | result = 0; | |
2206 | PerlLIO_close(tmpfd); | |
2207 | } | |
cbdc8872 | 2208 | } |
a0d0e21e | 2209 | #endif |
d05c1ba0 | 2210 | } |
a0d0e21e | 2211 | |
d05c1ba0 JH |
2212 | if (result) |
2213 | RETPUSHYES; | |
2214 | if (!errno) | |
5b7ea690 | 2215 | SETERRNO(EBADF,RMS_IFI); |
d05c1ba0 JH |
2216 | RETPUSHUNDEF; |
2217 | } | |
a0d0e21e LW |
2218 | } |
2219 | ||
a0d0e21e LW |
2220 | PP(pp_ioctl) |
2221 | { | |
39644a26 | 2222 | dSP; dTARGET; |
6d29369a | 2223 | SV * const argsv = POPs; |
228fe6e6 | 2224 | const unsigned int func = POPu; |
c05e0e2f | 2225 | const int optype = PL_op->op_type; |
6d29369a AL |
2226 | GV * const gv = (GV*)POPs; |
2227 | IO * const io = gv ? GvIOn(gv) : Null(IO*); | |
a0d0e21e | 2228 | char *s; |
324aa91a | 2229 | IV retval; |
a0d0e21e | 2230 | |
748a9306 | 2231 | if (!io || !argsv || !IoIFP(io)) { |
c289d2f7 JH |
2232 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2233 | report_evil_fh(gv, io, PL_op->op_type); | |
5b7ea690 | 2234 | SETERRNO(EBADF,RMS_IFI); /* well, sort of... */ |
a0d0e21e LW |
2235 | RETPUSHUNDEF; |
2236 | } | |
2237 | ||
748a9306 | 2238 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2239 | STRLEN len; |
324aa91a | 2240 | STRLEN need; |
748a9306 | 2241 | s = SvPV_force(argsv, len); |
324aa91a HF |
2242 | need = IOCPARM_LEN(func); |
2243 | if (len < need) { | |
2244 | s = Sv_Grow(argsv, need + 1); | |
2245 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2246 | } |
2247 | ||
748a9306 | 2248 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2249 | } |
2250 | else { | |
748a9306 | 2251 | retval = SvIV(argsv); |
c529f79d | 2252 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2253 | } |
2254 | ||
88070769 | 2255 | TAINT_PROPER(PL_op_desc[optype]); |
a0d0e21e LW |
2256 | |
2257 | if (optype == OP_IOCTL) | |
2258 | #ifdef HAS_IOCTL | |
76e3520e | 2259 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2260 | #else |
cea2e8a9 | 2261 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2262 | #endif |
2263 | else | |
c214f4ad WB |
2264 | #ifndef HAS_FCNTL |
2265 | DIE(aTHX_ "fcntl is not implemented"); | |
2266 | #else | |
55497cff | 2267 | #if defined(OS2) && defined(__EMX__) |
760ac839 | 2268 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2269 | #else |
760ac839 | 2270 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2271 | #endif |
f7288ffb | 2272 | #endif |
a0d0e21e | 2273 | |
f7288ffb | 2274 | #if defined(HAS_IOCTL) || defined(HAS_FCNTL) |
748a9306 LW |
2275 | if (SvPOK(argsv)) { |
2276 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2277 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2278 | OP_NAME(PL_op)); |
748a9306 LW |
2279 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2280 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2281 | } |
2282 | ||
2283 | if (retval == -1) | |
2284 | RETPUSHUNDEF; | |
2285 | if (retval != 0) { | |
2286 | PUSHi(retval); | |
2287 | } | |
2288 | else { | |
8903cb82 | 2289 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e | 2290 | } |
4808266b | 2291 | #endif |
c214f4ad | 2292 | RETURN; |
a0d0e21e LW |
2293 | } |
2294 | ||
2295 | PP(pp_flock) | |
2296 | { | |
9cad6237 | 2297 | #ifdef FLOCK |
39644a26 | 2298 | dSP; dTARGET; |
a0d0e21e | 2299 | I32 value; |
bc37a18f | 2300 | IO *io = NULL; |
760ac839 | 2301 | PerlIO *fp; |
6d29369a AL |
2302 | const int argtype = POPi; |
2303 | GV * const gv = (MAXARG == 0) ? PL_last_in_gv : (GV*)POPs; | |
16d20bd9 | 2304 | |
bc37a18f RG |
2305 | if (gv && (io = GvIO(gv))) |
2306 | fp = IoIFP(io); | |
2307 | else { | |
0e2d6244 | 2308 | fp = NULL; |
bc37a18f RG |
2309 | io = NULL; |
2310 | } | |
7508116b | 2311 | /* XXX Looks to me like io is always NULL at this point */ |
a0d0e21e | 2312 | if (fp) { |
68dc0745 | 2313 | (void)PerlIO_flush(fp); |
76e3520e | 2314 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2315 | } |
cb50131a | 2316 | else { |
bc37a18f RG |
2317 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2318 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 2319 | value = 0; |
5b7ea690 | 2320 | SETERRNO(EBADF,RMS_IFI); |
cb50131a | 2321 | } |
a0d0e21e LW |
2322 | PUSHi(value); |
2323 | RETURN; | |
2324 | #else | |
cea2e8a9 | 2325 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2326 | #endif |
2327 | } | |
2328 | ||
2329 | /* Sockets. */ | |
2330 | ||
2331 | PP(pp_socket) | |
2332 | { | |
a0d0e21e | 2333 | #ifdef HAS_SOCKET |
9cad6237 | 2334 | dSP; |
6d29369a AL |
2335 | const int protocol = POPi; |
2336 | const int type = POPi; | |
2337 | const int domain = POPi; | |
2338 | GV * const gv = (GV*)POPs; | |
2339 | register IO * const io = gv ? GvIOn(gv) : NULL; | |
a0d0e21e LW |
2340 | int fd; |
2341 | ||
c289d2f7 JH |
2342 | if (!gv || !io) { |
2343 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
2344 | report_evil_fh(gv, io, PL_op->op_type); | |
161d0ac1 | 2345 | if (io && IoIFP(io)) |
c289d2f7 | 2346 | do_close(gv, FALSE); |
5b7ea690 | 2347 | SETERRNO(EBADF,LIB_INVARG); |
a0d0e21e LW |
2348 | RETPUSHUNDEF; |
2349 | } | |
2350 | ||
57171420 BS |
2351 | if (IoIFP(io)) |
2352 | do_close(gv, FALSE); | |
2353 | ||
a0d0e21e | 2354 | TAINT_PROPER("socket"); |
6ad3d225 | 2355 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2356 | if (fd < 0) |
2357 | RETPUSHUNDEF; | |
5a560d3a IZ |
2358 | IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */ |
2359 | IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2360 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2361 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2362 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2363 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2364 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2365 | RETPUSHUNDEF; |
2366 | } | |
8d2a6795 GS |
2367 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2368 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2369 | #endif | |
a0d0e21e | 2370 | |
d5ff79b3 OF |
2371 | #ifdef EPOC |
2372 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2373 | #endif | |
2374 | ||
a0d0e21e LW |
2375 | RETPUSHYES; |
2376 | #else | |
cea2e8a9 | 2377 | DIE(aTHX_ PL_no_sock_func, "socket"); |
a0d0e21e LW |
2378 | #endif |
2379 | } | |
2380 | ||
2381 | PP(pp_sockpair) | |
2382 | { | |
c95c94b1 | 2383 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
76ffd3b9 | 2384 | dSP; |
6d29369a AL |
2385 | const int protocol = POPi; |
2386 | const int type = POPi; | |
2387 | const int domain = POPi; | |
2388 | GV * const gv2 = (GV*)POPs; | |
2389 | GV * const gv1 = (GV*)POPs; | |
2390 | register IO * const io1 = gv1 ? GvIOn(gv1) : NULL; | |
2391 | register IO * const io2 = gv2 ? GvIOn(gv2) : NULL; | |
a0d0e21e LW |
2392 | int fd[2]; |
2393 | ||
c289d2f7 JH |
2394 | if (!gv1 || !gv2 || !io1 || !io2) { |
2395 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { | |
2396 | if (!gv1 || !io1) | |
2397 | report_evil_fh(gv1, io1, PL_op->op_type); | |
2398 | if (!gv2 || !io2) | |
2399 | report_evil_fh(gv1, io2, PL_op->op_type); | |
2400 | } | |
161d0ac1 | 2401 | if (io1 && IoIFP(io1)) |
c289d2f7 | 2402 | do_close(gv1, FALSE); |
161d0ac1 | 2403 | if (io2 && IoIFP(io2)) |
c289d2f7 | 2404 | do_close(gv2, FALSE); |
a0d0e21e | 2405 | RETPUSHUNDEF; |
c289d2f7 | 2406 | } |
a0d0e21e | 2407 | |
dc0d0a5f JH |
2408 | if (IoIFP(io1)) |
2409 | do_close(gv1, FALSE); | |
2410 | if (IoIFP(io2)) | |
2411 | do_close(gv2, FALSE); | |
57171420 | 2412 | |
a0d0e21e | 2413 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2414 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2415 | RETPUSHUNDEF; |
5a560d3a IZ |
2416 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE); |
2417 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE); | |
50952442 | 2418 | IoTYPE(io1) = IoTYPE_SOCKET; |
5a560d3a IZ |
2419 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE); |
2420 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE); | |
50952442 | 2421 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2422 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2423 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2424 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2425 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2426 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2427 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2428 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2429 | RETPUSHUNDEF; |
2430 | } | |
8d2a6795 GS |
2431 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2432 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2433 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2434 | #endif | |
a0d0e21e LW |
2435 | |
2436 | RETPUSHYES; | |
2437 | #else | |
cea2e8a9 | 2438 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2439 | #endif |
2440 | } | |
2441 | ||
2442 | PP(pp_bind) | |
2443 | { | |
a0d0e21e | 2444 | #ifdef HAS_SOCKET |
9cad6237 | 2445 | dSP; |
6d29369a | 2446 | SV * const addrsv = POPs; |
23c2bb70 NC |
2447 | /* OK, so on what platform does bind modify addr? */ |
2448 | const char *addr; | |
6d29369a AL |
2449 | GV * const gv = (GV*)POPs; |
2450 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
2451 | STRLEN len; |
2452 | ||
2453 | if (!io || !IoIFP(io)) | |
2454 | goto nuts; | |
2455 | ||
23c2bb70 | 2456 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2457 | TAINT_PROPER("bind"); |
8e7b0921 | 2458 | if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2459 | RETPUSHYES; |
2460 | else | |
2461 | RETPUSHUNDEF; | |
2462 | ||
2463 | nuts: | |
599cee73 | 2464 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2465 | report_evil_fh(gv, io, PL_op->op_type); |
5b7ea690 | 2466 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2467 | RETPUSHUNDEF; |
2468 | #else | |
cea2e8a9 | 2469 | DIE(aTHX_ PL_no_sock_func, "bind"); |
a0d0e21e LW |
2470 | #endif |
2471 | } | |
2472 | ||
2473 | PP(pp_connect) | |
2474 | { | |
a0d0e21e | 2475 | #ifdef HAS_SOCKET |
9cad6237 | 2476 | dSP; |
6d29369a AL |
2477 | SV * const addrsv = POPs; |
2478 | GV * const gv = (GV*)POPs; | |
2479 | register IO * const io = GvIOn(gv); | |
23c2bb70 | 2480 | const char *addr; |
a0d0e21e LW |
2481 | STRLEN len; |
2482 | ||
2483 | if (!io || !IoIFP(io)) | |
2484 | goto nuts; | |
2485 | ||
23c2bb70 | 2486 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2487 | TAINT_PROPER("connect"); |
6ad3d225 | 2488 | if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2489 | RETPUSHYES; |
2490 | else | |
2491 | RETPUSHUNDEF; | |
2492 | ||
2493 | nuts: | |
599cee73 | 2494 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2495 | report_evil_fh(gv, io, PL_op->op_type); |
5b7ea690 | 2496 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2497 | RETPUSHUNDEF; |
2498 | #else | |
cea2e8a9 | 2499 | DIE(aTHX_ PL_no_sock_func, "connect"); |
a0d0e21e LW |
2500 | #endif |
2501 | } | |
2502 | ||
2503 | PP(pp_listen) | |
2504 | { | |
a0d0e21e | 2505 | #ifdef HAS_SOCKET |
9cad6237 | 2506 | dSP; |
6d29369a AL |
2507 | const int backlog = POPi; |
2508 | GV * const gv = (GV*)POPs; | |
2509 | register IO * const io = gv ? GvIOn(gv) : NULL; | |
a0d0e21e | 2510 | |
c289d2f7 | 2511 | if (!gv || !io || !IoIFP(io)) |
a0d0e21e LW |
2512 | goto nuts; |
2513 | ||
6ad3d225 | 2514 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2515 | RETPUSHYES; |
2516 | else | |
2517 | RETPUSHUNDEF; | |
2518 | ||
2519 | nuts: | |
599cee73 | 2520 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2521 | report_evil_fh(gv, io, PL_op->op_type); |
5b7ea690 | 2522 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2523 | RETPUSHUNDEF; |
2524 | #else | |
cea2e8a9 | 2525 | DIE(aTHX_ PL_no_sock_func, "listen"); |
a0d0e21e LW |
2526 | #endif |
2527 | } | |
2528 | ||
2529 | PP(pp_accept) | |
2530 | { | |
a0d0e21e | 2531 | #ifdef HAS_SOCKET |
9cad6237 | 2532 | dSP; dTARGET; |
a0d0e21e LW |
2533 | register IO *nstio; |
2534 | register IO *gstio; | |
26776375 JH |
2535 | char namebuf[MAXPATHLEN]; |
2536 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) | |
2537 | Sock_size_t len = sizeof (struct sockaddr_in); | |
2538 | #else | |
2539 | Sock_size_t len = sizeof namebuf; | |
2540 | #endif | |
6d29369a AL |
2541 | GV * const ggv = (GV*)POPs; |
2542 | GV * const ngv = (GV*)POPs; | |
a0d0e21e LW |
2543 | int fd; |
2544 | ||
a0d0e21e LW |
2545 | if (!ngv) |
2546 | goto badexit; | |
2547 | if (!ggv) | |
2548 | goto nuts; | |
2549 | ||
2550 | gstio = GvIO(ggv); | |
2551 | if (!gstio || !IoIFP(gstio)) | |
2552 | goto nuts; | |
2553 | ||
2554 | nstio = GvIOn(ngv); | |
26776375 | 2555 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len); |
209f66d7 NC |
2556 | #if defined(OEMVS) |
2557 | if (len == 0) { | |
2558 | /* Some platforms indicate zero length when an AF_UNIX client is | |
2559 | * not bound. Simulate a non-zero-length sockaddr structure in | |
2560 | * this case. */ | |
2561 | namebuf[0] = 0; /* sun_len */ | |
2562 | namebuf[1] = AF_UNIX; /* sun_family */ | |
2563 | len = 2; | |
2564 | } | |
2565 | #endif | |
2566 | ||
a0d0e21e LW |
2567 | if (fd < 0) |
2568 | goto badexit; | |
a70048fb AB |
2569 | if (IoIFP(nstio)) |
2570 | do_close(ngv, FALSE); | |
5a560d3a IZ |
2571 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); |
2572 | IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2573 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2574 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2575 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2576 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2577 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2578 | goto badexit; |
2579 | } | |
8d2a6795 GS |
2580 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2581 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2582 | #endif | |
a0d0e21e | 2583 | |
ed79a026 | 2584 | #ifdef EPOC |
26776375 | 2585 | len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */ |
a9f1f6b0 | 2586 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ |
ed79a026 | 2587 | #endif |
bfd7eeef | 2588 | #ifdef __SCO_VERSION__ |
26776375 | 2589 | len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */ |
bfd7eeef | 2590 | #endif |
ed79a026 | 2591 | |
26776375 | 2592 | PUSHp(namebuf, len); |
a0d0e21e LW |
2593 | RETURN; |
2594 | ||
2595 | nuts: | |
599cee73 | 2596 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2597 | report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type); |
5b7ea690 | 2598 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2599 | |
2600 | badexit: | |
2601 | RETPUSHUNDEF; | |
2602 | ||
2603 | #else | |
cea2e8a9 | 2604 | DIE(aTHX_ PL_no_sock_func, "accept"); |
a0d0e21e LW |
2605 | #endif |
2606 | } | |
2607 | ||
2608 | PP(pp_shutdown) | |
2609 | { | |
a0d0e21e | 2610 | #ifdef HAS_SOCKET |
9cad6237 | 2611 | dSP; dTARGET; |
6d29369a AL |
2612 | const int how = POPi; |
2613 | GV * const gv = (GV*)POPs; | |
2614 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
2615 | |
2616 | if (!io || !IoIFP(io)) | |
2617 | goto nuts; | |
2618 | ||
6ad3d225 | 2619 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2620 | RETURN; |
2621 | ||
2622 | nuts: | |
599cee73 | 2623 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2624 | report_evil_fh(gv, io, PL_op->op_type); |
5b7ea690 | 2625 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2626 | RETPUSHUNDEF; |
2627 | #else | |
cea2e8a9 | 2628 | DIE(aTHX_ PL_no_sock_func, "shutdown"); |
a0d0e21e LW |
2629 | #endif |
2630 | } | |
2631 | ||
a0d0e21e LW |
2632 | PP(pp_ssockopt) |
2633 | { | |
a0d0e21e | 2634 | #ifdef HAS_SOCKET |
9cad6237 | 2635 | dSP; |
6d29369a | 2636 | const int optype = PL_op->op_type; |
133cdda0 | 2637 | SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs; |
6d29369a AL |
2638 | const unsigned int optname = (unsigned int) POPi; |
2639 | const unsigned int lvl = (unsigned int) POPi; | |
2640 | GV * const gv = (GV*)POPs; | |
2641 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 2642 | int fd; |
1e422769 | 2643 | Sock_size_t len; |
a0d0e21e | 2644 | |
a0d0e21e LW |
2645 | if (!io || !IoIFP(io)) |
2646 | goto nuts; | |
2647 | ||
760ac839 | 2648 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2649 | switch (optype) { |
2650 | case OP_GSOCKOPT: | |
748a9306 | 2651 | SvGROW(sv, 257); |
a0d0e21e | 2652 | (void)SvPOK_only(sv); |
748a9306 LW |
2653 | SvCUR_set(sv,256); |
2654 | *SvEND(sv) ='\0'; | |
1e422769 | 2655 | len = SvCUR(sv); |
6ad3d225 | 2656 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2657 | goto nuts2; |
1e422769 | 2658 | SvCUR_set(sv, len); |
748a9306 | 2659 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2660 | PUSHs(sv); |
2661 | break; | |
2662 | case OP_SSOCKOPT: { | |
cb7b5b16 JH |
2663 | #if defined(__SYMBIAN32__) |
2664 | # define SETSOCKOPT_OPTION_VALUE_T void * | |
2665 | #else | |
2666 | # define SETSOCKOPT_OPTION_VALUE_T const char * | |
2667 | #endif | |
2668 | /* XXX TODO: We need to have a proper type (a Configure probe, | |
2669 | * etc.) for what the C headers think of the third argument of | |
2670 | * setsockopt(), the option_value read-only buffer: is it | |
2671 | * a "char *", or a "void *", const or not. Some compilers | |
2672 | * don't take kindly to e.g. assuming that "char *" implicitly | |
2673 | * promotes to a "void *", or to explicitly promoting/demoting | |
2674 | * consts to non/vice versa. The "const void *" is the SUS | |
2675 | * definition, but that does not fly everywhere for the above | |
2676 | * reasons. */ | |
2677 | SETSOCKOPT_OPTION_VALUE_T buf; | |
1e422769 | 2678 | int aint; |
2679 | if (SvPOKp(sv)) { | |
2d8e6c8d | 2680 | STRLEN l; |
cb7b5b16 | 2681 | buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l); |
2d8e6c8d | 2682 | len = l; |
1e422769 | 2683 | } |
56ee1660 | 2684 | else { |
a0d0e21e | 2685 | aint = (int)SvIV(sv); |
cb7b5b16 | 2686 | buf = (SETSOCKOPT_OPTION_VALUE_T) &aint; |
a0d0e21e LW |
2687 | len = sizeof(int); |
2688 | } | |
6ad3d225 | 2689 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2690 | goto nuts2; |
3280af22 | 2691 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2692 | } |
2693 | break; | |
2694 | } | |
2695 | RETURN; | |
2696 | ||
2697 | nuts: | |
599cee73 | 2698 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2699 | report_evil_fh(gv, io, optype); |
5b7ea690 | 2700 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2701 | nuts2: |
2702 | RETPUSHUNDEF; | |
2703 | ||
2704 | #else | |
4f922d08 | 2705 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2706 | #endif |
2707 | } | |
2708 | ||
2709 | PP(pp_getpeername) | |
2710 | { | |
a0d0e21e | 2711 | #ifdef HAS_SOCKET |
9cad6237 | 2712 | dSP; |
6d29369a AL |
2713 | const int optype = PL_op->op_type; |
2714 | GV * const gv = (GV*)POPs; | |
2715 | register IO * const io = GvIOn(gv); | |
2716 | Sock_size_t len; | |
a0d0e21e LW |
2717 | SV *sv; |
2718 | int fd; | |
a0d0e21e LW |
2719 | |
2720 | if (!io || !IoIFP(io)) | |
2721 | goto nuts; | |
2722 | ||
133cdda0 | 2723 | sv = sv_2mortal(newSV(257)); |
748a9306 | 2724 | (void)SvPOK_only(sv); |
1e422769 | 2725 | len = 256; |
2726 | SvCUR_set(sv, len); | |
748a9306 | 2727 | *SvEND(sv) ='\0'; |
760ac839 | 2728 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2729 | switch (optype) { |
2730 | case OP_GETSOCKNAME: | |
6ad3d225 | 2731 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2732 | goto nuts2; |
2733 | break; | |
2734 | case OP_GETPEERNAME: | |
6ad3d225 | 2735 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2736 | goto nuts2; |
490ab354 JH |
2737 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2738 | { | |
2739 | static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; | |
2740 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
23c2bb70 NC |
2741 | if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET && |
2742 | !memcmp((char *)SvPVX_const(sv) + sizeof(u_short), nowhere, | |
490ab354 | 2743 | sizeof(u_short) + sizeof(struct in_addr))) { |
301e8125 | 2744 | goto nuts2; |
490ab354 JH |
2745 | } |
2746 | } | |
2747 | #endif | |
a0d0e21e LW |
2748 | break; |
2749 | } | |
13826f2c CS |
2750 | #ifdef BOGUS_GETNAME_RETURN |
2751 | /* Interactive Unix, getpeername() and getsockname() | |
2752 | does not return valid namelen */ | |
1e422769 | 2753 | if (len == BOGUS_GETNAME_RETURN) |
2754 | len = sizeof(struct sockaddr); | |
13826f2c | 2755 | #endif |
1e422769 | 2756 | SvCUR_set(sv, len); |
748a9306 | 2757 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2758 | PUSHs(sv); |
2759 | RETURN; | |
2760 | ||
2761 | nuts: | |
599cee73 | 2762 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2763 | report_evil_fh(gv, io, optype); |
5b7ea690 | 2764 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2765 | nuts2: |
2766 | RETPUSHUNDEF; | |
2767 | ||
2768 | #else | |
4f922d08 | 2769 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2770 | #endif |
2771 | } | |
2772 | ||
2773 | /* Stat calls. */ | |
2774 | ||
a0d0e21e LW |
2775 | PP(pp_stat) |
2776 | { | |
39644a26 | 2777 | dSP; |
d2ae4405 | 2778 | GV *gv = NULL; |
54310121 | 2779 | I32 gimme; |
a0d0e21e LW |
2780 | I32 max = 13; |
2781 | ||
533c011a | 2782 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2783 | gv = cGVOP_gv; |
8a4e5b40 | 2784 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de | 2785 | if (gv != PL_defgv) { |
4f922d08 | 2786 | do_fstat_warning_check: |
5d3e98de | 2787 | if (ckWARN(WARN_IO)) |
9014280d | 2788 | Perl_warner(aTHX_ packWARN(WARN_IO), |
05e11b74 | 2789 | "lstat() on filehandle %s", gv ? GvENAME(gv) : ""); |
5d3e98de | 2790 | } else if (PL_laststype != OP_LSTAT) |
8a4e5b40 | 2791 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2792 | } |
2793 | ||
748a9306 | 2794 | do_fstat: |
2dd78f96 | 2795 | if (gv != PL_defgv) { |
3280af22 | 2796 | PL_laststype = OP_STAT; |
2dd78f96 | 2797 | PL_statgv = gv; |
2a8de9e2 | 2798 | sv_setpvn(PL_statname, "", 0); |
2dd78f96 JH |
2799 | PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv)) |
2800 | ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1); | |
a0d0e21e | 2801 | } |
9ddeeac9 | 2802 | if (PL_laststatval < 0) { |
2dd78f96 JH |
2803 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2804 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); | |
a0d0e21e | 2805 | max = 0; |
9ddeeac9 | 2806 | } |
a0d0e21e LW |
2807 | } |
2808 | else { | |
6d29369a | 2809 | SV* const sv = POPs; |
748a9306 | 2810 | if (SvTYPE(sv) == SVt_PVGV) { |
2dd78f96 | 2811 | gv = (GV*)sv; |
748a9306 LW |
2812 | goto do_fstat; |
2813 | } | |
2814 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 2815 | gv = (GV*)SvRV(sv); |
4f922d08 AL |
2816 | if (PL_op->op_type == OP_LSTAT) |
2817 | goto do_fstat_warning_check; | |
748a9306 LW |
2818 | goto do_fstat; |
2819 | } | |
291a7e74 | 2820 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
0e2d6244 | 2821 | PL_statgv = NULL; |
533c011a NIS |
2822 | PL_laststype = PL_op->op_type; |
2823 | if (PL_op->op_type == OP_LSTAT) | |
291a7e74 | 2824 | PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache); |
a0d0e21e | 2825 | else |
291a7e74 | 2826 | PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache); |
3280af22 | 2827 | if (PL_laststatval < 0) { |
291a7e74 | 2828 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n')) |
9014280d | 2829 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
a0d0e21e LW |
2830 | max = 0; |
2831 | } | |
2832 | } | |
2833 | ||
54310121 | 2834 | gimme = GIMME_V; |
2835 | if (gimme != G_ARRAY) { | |
2836 | if (gimme != G_VOID) | |
2837 | XPUSHs(boolSV(max)); | |
2838 | RETURN; | |
a0d0e21e LW |
2839 | } |
2840 | if (max) { | |
36477c24 | 2841 | EXTEND(SP, max); |
2842 | EXTEND_MORTAL(max); | |
1ff81528 PL |
2843 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); |
2844 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); | |
b448e4fe JH |
2845 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); |
2846 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); | |
146174a9 CB |
2847 | #if Uid_t_size > IVSIZE |
2848 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); | |
2849 | #else | |
23dcd6c8 | 2850 | # if Uid_t_sign <= 0 |
1ff81528 | 2851 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); |
23dcd6c8 JH |
2852 | # else |
2853 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); | |
2854 | # endif | |
146174a9 | 2855 | #endif |
301e8125 | 2856 | #if Gid_t_size > IVSIZE |
146174a9 CB |
2857 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); |
2858 | #else | |
23dcd6c8 | 2859 | # if Gid_t_sign <= 0 |
1ff81528 | 2860 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); |
23dcd6c8 JH |
2861 | # else |
2862 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); | |
2863 | # endif | |
146174a9 | 2864 | #endif |
cbdc8872 | 2865 | #ifdef USE_STAT_RDEV |
1ff81528 | 2866 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); |
cbdc8872 | 2867 | #else |
d7559646 | 2868 | PUSHs(sv_2mortal(newSVpvs(""))); |
cbdc8872 | 2869 | #endif |
146174a9 | 2870 | #if Off_t_size > IVSIZE |
4f4e7967 | 2871 | PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size))); |
146174a9 | 2872 | #else |
1ff81528 | 2873 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); |
146174a9 | 2874 | #endif |
cbdc8872 | 2875 | #ifdef BIG_TIME |
172ae379 JH |
2876 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); |
2877 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); | |
2878 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); | |
cbdc8872 | 2879 | #else |
1ff81528 PL |
2880 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime))); |
2881 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime))); | |
2882 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime))); | |
cbdc8872 | 2883 | #endif |
a0d0e21e | 2884 | #ifdef USE_STAT_BLOCKS |
b448e4fe JH |
2885 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); |
2886 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); | |
a0d0e21e | 2887 | #else |
d7559646 AL |
2888 | PUSHs(sv_2mortal(newSVpvs(""))); |
2889 | PUSHs(sv_2mortal(newSVpvs(""))); | |
a0d0e21e LW |
2890 | #endif |
2891 | } | |
2892 | RETURN; | |
2893 | } | |
2894 | ||
2895 | PP(pp_ftrread) | |
2896 | { | |
9cad6237 | 2897 | I32 result; |
4fbce521 NC |
2898 | /* Not const, because things tweak this below. Not bool, because there's |
2899 | no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */ | |
2900 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2901 | I32 use_access = PL_op->op_private & OPpFT_ACCESS; | |
2902 | /* Giving some sort of initial value silences compilers. */ | |
2903 | # ifdef R_OK | |
2904 | int access_mode = R_OK; | |
2905 | # else | |
2906 | int access_mode = 0; | |
2907 | # endif | |
5ff3f7a4 | 2908 | #else |
4fbce521 NC |
2909 | /* access_mode is never used, but leaving use_access in makes the |
2910 | conditional compiling below much clearer. */ | |
2911 | I32 use_access = 0; | |
5ff3f7a4 | 2912 | #endif |
4fbce521 | 2913 | int stat_mode = S_IRUSR; |
a0d0e21e | 2914 | |
4fbce521 | 2915 | bool effective = FALSE; |
2a3ff820 | 2916 | dSP; |
4fbce521 NC |
2917 | |
2918 | ||
2919 | switch (PL_op->op_type) { | |
2920 | case OP_FTRREAD: | |
2921 | #if !(defined(HAS_ACCESS) && defined(R_OK)) | |
2922 | use_access = 0; | |
2923 | #endif | |
2924 | break; | |
2925 | ||
2926 | case OP_FTRWRITE: | |
5ff3f7a4 | 2927 | #if defined(HAS_ACCESS) && defined(W_OK) |
4fbce521 | 2928 | access_mode = W_OK; |
5ff3f7a4 | 2929 | #else |
4fbce521 | 2930 | use_access = 0; |
5ff3f7a4 | 2931 | #endif |
4fbce521 NC |
2932 | stat_mode = S_IWUSR; |
2933 | break; | |
a0d0e21e | 2934 | |
4fbce521 | 2935 | case OP_FTREXEC: |
5ff3f7a4 | 2936 | #if defined(HAS_ACCESS) && defined(X_OK) |
4fbce521 | 2937 | access_mode = X_OK; |
5ff3f7a4 | 2938 | #else |
4fbce521 | 2939 | use_access = 0; |
5ff3f7a4 | 2940 | #endif |
4fbce521 NC |
2941 | stat_mode = S_IXUSR; |
2942 | break; | |
a0d0e21e | 2943 | |
4fbce521 NC |
2944 | case OP_FTEWRITE: |
2945 | #ifdef PERL_EFF_ACCESS | |
2946 | access_mode = W_OK; | |
5ff3f7a4 | 2947 | #endif |
4fbce521 NC |
2948 | stat_mode = S_IWUSR; |
2949 | /* Fall through */ | |
a0d0e21e | 2950 | |
4fbce521 NC |
2951 | case OP_FTEREAD: |
2952 | #ifndef PERL_EFF_ACCESS | |
2953 | use_access = 0; | |
2954 | #endif | |
2955 | effective = TRUE; | |
2956 | break; | |
2957 | ||
2958 | ||
2959 | case OP_FTEEXEC: | |
2960 | #ifdef PERL_EFF_ACCESS | |
2961 | access_mode = W_OK; | |
5ff3f7a4 | 2962 | #else |
4fbce521 | 2963 | use_access = 0; |
5ff3f7a4 | 2964 | #endif |
4fbce521 NC |
2965 | stat_mode = S_IXUSR; |
2966 | effective = TRUE; | |
2967 | break; | |
2968 | } | |
a0d0e21e | 2969 | |
4fbce521 NC |
2970 | if (use_access) { |
2971 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
17184076 | 2972 | const char *name = POPpx; |
4fbce521 NC |
2973 | if (effective) { |
2974 | # ifdef PERL_EFF_ACCESS | |
2975 | result = PERL_EFF_ACCESS(name, access_mode); | |
2976 | # else | |
2977 | DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s", | |
2978 | OP_NAME(PL_op)); | |
2979 | # endif | |
2980 | } | |
2981 | else { | |
2982 | # ifdef HAS_ACCESS | |
2983 | result = access(name, access_mode); | |
2984 | # else | |
2985 | DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op)); | |
2986 | # endif | |
2987 | } | |
5ff3f7a4 GS |
2988 | if (result == 0) |
2989 | RETPUSHYES; | |
2990 | if (result < 0) | |
2991 | RETPUSHUNDEF; | |
2992 | RETPUSHNO; | |
4fbce521 | 2993 | #endif |
22865c03 | 2994 | } |
4fbce521 | 2995 | |
cea2e8a9 | 2996 | result = my_stat(); |
22865c03 | 2997 | SPAGAIN; |
a0d0e21e LW |
2998 | if (result < 0) |
2999 | RETPUSHUNDEF; | |
4fbce521 | 3000 | if (cando(stat_mode, effective, &PL_statcache)) |
a0d0e21e LW |
3001 | RETPUSHYES; |
3002 | RETPUSHNO; | |
3003 | } | |
3004 | ||
3005 | PP(pp_ftis) | |
3006 | { | |
9cad6237 | 3007 | I32 result = my_stat(); |
4f922d08 | 3008 | const int op_type = PL_op->op_type; |
2a3ff820 | 3009 | dSP; |
a0d0e21e LW |
3010 | if (result < 0) |
3011 | RETPUSHUNDEF; | |
4f922d08 | 3012 | if (op_type == OP_FTIS) |
a0d0e21e | 3013 | RETPUSHYES; |
4f922d08 AL |
3014 | { |
3015 | /* You can't dTARGET inside OP_FTIS, because you'll get | |
3016 | "panic: pad_sv po" - the op is not flagged to have a target. */ | |
3017 | dTARGET; | |
3018 | switch (op_type) { | |
3019 | case OP_FTSIZE: | |
146174a9 | 3020 | #if Off_t_size > IVSIZE |
4f922d08 | 3021 | PUSHn(PL_statcache.st_size); |
146174a9 | 3022 | #else |
4f922d08 | 3023 | PUSHi(PL_statcache.st_size); |
146174a9 | 3024 | #endif |
4f922d08 AL |
3025 | break; |
3026 | case OP_FTMTIME: | |
3027 | PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 ); | |
3028 | break; | |
3029 | case OP_FTATIME: | |
3030 | PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 ); | |
3031 | break; | |
3032 | case OP_FTCTIME: | |
3033 | PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 ); | |
3034 | break; | |
3035 | } | |
3036 | } | |
a0d0e21e LW |
3037 | RETURN; |
3038 | } | |
3039 | ||
4f922d08 | 3040 | PP(pp_ftrowned) |
a0d0e21e | 3041 | { |
9cad6237 | 3042 | I32 result = my_stat(); |
2a3ff820 | 3043 | dSP; |
a0d0e21e | 3044 | |
4f922d08 AL |
3045 | /* I believe that all these three are likely to be defined on most every |
3046 | system these days. */ | |
3047 | #ifndef S_ISUID | |
3048 | if(PL_op->op_type == OP_FTSUID) | |
3049 | RETPUSHNO; | |
3050 | #endif | |
3051 | #ifndef S_ISGID | |
3052 | if(PL_op->op_type == OP_FTSGID) | |
3053 | RETPUSHNO; | |
3054 | #endif | |
3055 | #ifndef S_ISVTX | |
3056 | if(PL_op->op_type == OP_FTSVTX) | |
3057 | RETPUSHNO; | |
3058 | #endif | |
a0d0e21e | 3059 | |
a0d0e21e LW |
3060 | if (result < 0) |
3061 | RETPUSHUNDEF; | |
4f922d08 AL |
3062 | switch (PL_op->op_type) { |
3063 | case OP_FTROWNED: | |
3064 | if (PL_statcache.st_uid == PL_uid) | |
3065 | RETPUSHYES; | |
3066 | break; | |
3067 | case OP_FTEOWNED: | |
3068 | if (PL_statcache.st_uid == PL_euid) | |
3069 | RETPUSHYES; | |
3070 | break; | |
3071 | case OP_FTZERO: | |
3072 | if (PL_statcache.st_size == 0) | |
3073 | RETPUSHYES; | |
3074 | break; | |
3075 | case OP_FTSOCK: | |
3076 | if (S_ISSOCK(PL_statcache.st_mode)) | |
3077 | RETPUSHYES; | |
3078 | break; | |
3079 | case OP_FTCHR: | |
3080 | if (S_ISCHR(PL_statcache.st_mode)) | |
3081 | RETPUSHYES; | |
3082 | break; | |
3083 | case OP_FTBLK: | |
3084 | if (S_ISBLK(PL_statcache.st_mode)) | |
3085 | RETPUSHYES; | |
3086 | break; | |
3087 | case OP_FTFILE: | |
3088 | if (S_ISREG(PL_statcache.st_mode)) | |
3089 | RETPUSHYES; | |
3090 | break; | |
3091 | case OP_FTDIR: | |
3092 | if (S_ISDIR(PL_statcache.st_mode)) | |
3093 | RETPUSHYES; | |
3094 | break; | |
3095 | case OP_FTPIPE: | |
3096 | if (S_ISFIFO(PL_statcache.st_mode)) | |
3097 | RETPUSHYES; | |
3098 | break; | |
a0d0e21e | 3099 | #ifdef S_ISUID |
4f922d08 AL |
3100 | case OP_FTSUID: |
3101 | if (PL_statcache.st_mode & S_ISUID) | |
3102 | RETPUSHYES; | |
3103 | break; | |
a0d0e21e | 3104 | #endif |
a0d0e21e | 3105 | #ifdef S_ISGID |
4f922d08 AL |
3106 | case OP_FTSGID: |
3107 | if (PL_statcache.st_mode & S_ISGID) | |
3108 | RETPUSHYES; | |
3109 | break; | |
3110 | #endif | |
3111 | #ifdef S_ISVTX | |
3112 | case OP_FTSVTX: | |
3113 | if (PL_statcache.st_mode & S_ISVTX) | |
3114 | RETPUSHYES; | |
3115 | break; | |
a0d0e21e | 3116 | #endif |
4f922d08 | 3117 | } |
a0d0e21e LW |
3118 | RETPUSHNO; |
3119 | } | |
3120 | ||
4f922d08 | 3121 | PP(pp_ftlink) |
a0d0e21e | 3122 | { |
4f922d08 | 3123 | I32 result = my_lstat(); |
39644a26 | 3124 | dSP; |
a0d0e21e LW |
3125 | if (result < 0) |
3126 | RETPUSHUNDEF; | |
4f922d08 | 3127 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e | 3128 | RETPUSHYES; |
a0d0e21e LW |
3129 | RETPUSHNO; |
3130 | } | |
3131 | ||
3132 | PP(pp_fttty) | |
3133 | { | |
39644a26 | 3134 | dSP; |
a0d0e21e LW |
3135 | int fd; |
3136 | GV *gv; | |
057b822e NC |
3137 | SV *tmpsv = NULL; |
3138 | ||
fb73857a | 3139 | |
533c011a | 3140 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3141 | gv = cGVOP_gv; |
fb73857a | 3142 | else if (isGV(TOPs)) |
3143 | gv = (GV*)POPs; | |
3144 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3145 | gv = (GV*)SvRV(POPs); | |
a0d0e21e | 3146 | else |
057b822e | 3147 | gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO); |
fb73857a | 3148 | |
a0d0e21e | 3149 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3150 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
057b822e NC |
3151 | else if (tmpsv && SvOK(tmpsv)) { |
3152 | STRLEN n_a; | |
3153 | char *tmps = SvPV(tmpsv, n_a); | |
3154 | if (isDIGIT(*tmps)) | |
3155 | fd = atoi(tmps); | |
3156 | else | |
3157 | RETPUSHUNDEF; | |
3158 | } | |
a0d0e21e LW |
3159 | else |
3160 | RETPUSHUNDEF; | |
6ad3d225 | 3161 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3162 | RETPUSHYES; |
3163 | RETPUSHNO; | |
3164 | } | |
3165 | ||
16d20bd9 AD |
3166 | #if defined(atarist) /* this will work with atariST. Configure will |
3167 | make guesses for other systems. */ | |
3168 | # define FILE_base(f) ((f)->_base) | |
3169 | # define FILE_ptr(f) ((f)->_ptr) | |
3170 | # define FILE_cnt(f) ((f)->_cnt) | |
3171 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3172 | #endif |
3173 | ||
3174 | PP(pp_fttext) | |
3175 | { | |
39644a26 | 3176 | dSP; |
a0d0e21e LW |
3177 | I32 i; |
3178 | I32 len; | |
3179 | I32 odd = 0; | |
3180 | STDCHAR tbuf[512]; | |
3181 | register STDCHAR *s; | |
3182 | register IO *io; | |
5f05dabc | 3183 | register SV *sv; |
3184 | GV *gv; | |
146174a9 | 3185 | PerlIO *fp; |
a0d0e21e | 3186 | |
533c011a | 3187 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3188 | gv = cGVOP_gv; |
5f05dabc | 3189 | else if (isGV(TOPs)) |
3190 | gv = (GV*)POPs; | |
3191 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3192 | gv = (GV*)SvRV(POPs); | |
3193 | else | |
0e2d6244 | 3194 | gv = NULL; |
5f05dabc | 3195 | |
3196 | if (gv) { | |
a0d0e21e | 3197 | EXTEND(SP, 1); |
3280af22 NIS |
3198 | if (gv == PL_defgv) { |
3199 | if (PL_statgv) | |
3200 | io = GvIO(PL_statgv); | |
a0d0e21e | 3201 | else { |
3280af22 | 3202 | sv = PL_statname; |
a0d0e21e LW |
3203 | goto really_filename; |
3204 | } | |
3205 | } | |
3206 | else { | |
3280af22 NIS |
3207 | PL_statgv = gv; |
3208 | PL_laststatval = -1; | |
2a8de9e2 | 3209 | sv_setpvn(PL_statname, "", 0); |
3280af22 | 3210 | io = GvIO(PL_statgv); |
a0d0e21e LW |
3211 | } |
3212 | if (io && IoIFP(io)) { | |
5f05dabc | 3213 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3214 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3215 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3216 | if (PL_laststatval < 0) | |
5f05dabc | 3217 | RETPUSHUNDEF; |
9cbac4c7 | 3218 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3219 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3220 | RETPUSHNO; |
3221 | else | |
3222 | RETPUSHYES; | |
9cbac4c7 | 3223 | } |
a20bf0c3 | 3224 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3225 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3226 | if (i != EOF) |
760ac839 | 3227 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3228 | } |
a20bf0c3 | 3229 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3230 | RETPUSHYES; |
a20bf0c3 JH |
3231 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3232 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3233 | /* sfio can have large buffers - limit to 512 */ |
3234 | if (len > 512) | |
3235 | len = 512; | |
a0d0e21e LW |
3236 | } |
3237 | else { | |
2dd78f96 | 3238 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
146174a9 | 3239 | gv = cGVOP_gv; |
2dd78f96 | 3240 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); |
146174a9 | 3241 | } |
5b7ea690 | 3242 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3243 | RETPUSHUNDEF; |
3244 | } | |
3245 | } | |
3246 | else { | |
3247 | sv = POPs; | |
5f05dabc | 3248 | really_filename: |
0e2d6244 | 3249 | PL_statgv = NULL; |
5c9aa243 | 3250 | PL_laststype = OP_STAT; |
23c2bb70 | 3251 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
fdac8c4b | 3252 | if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) { |
23c2bb70 NC |
3253 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), |
3254 | '\n')) | |
9014280d | 3255 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
a0d0e21e LW |
3256 | RETPUSHUNDEF; |
3257 | } | |
146174a9 CB |
3258 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3259 | if (PL_laststatval < 0) { | |
3260 | (void)PerlIO_close(fp); | |
5f05dabc | 3261 | RETPUSHUNDEF; |
146174a9 | 3262 | } |
0e2d6244 | 3263 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL); |
146174a9 CB |
3264 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3265 | (void)PerlIO_close(fp); | |
a0d0e21e | 3266 | if (len <= 0) { |
533c011a | 3267 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3268 | RETPUSHNO; /* special case NFS directories */ |
3269 | RETPUSHYES; /* null file is anything */ | |
3270 | } | |
3271 | s = tbuf; | |
3272 | } | |
3273 | ||
3274 | /* now scan s to look for textiness */ | |
4633a7c4 | 3275 | /* XXX ASCII dependent code */ |
a0d0e21e | 3276 | |
146174a9 CB |
3277 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3278 | /* ignore trailing ^Z on short files */ | |
3279 | if (len && len < sizeof(tbuf) && tbuf[len-1] == 26) | |
3280 | --len; | |
3281 | #endif | |
3282 | ||
a0d0e21e LW |
3283 | for (i = 0; i < len; i++, s++) { |
3284 | if (!*s) { /* null never allowed in text */ | |
3285 | odd += len; | |
3286 | break; | |
3287 | } | |
9d116dd7 | 3288 | #ifdef EBCDIC |
301e8125 | 3289 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3290 | odd++; |
3291 | #else | |
146174a9 CB |
3292 | else if (*s & 128) { |
3293 | #ifdef USE_LOCALE | |
2de3dbcc | 3294 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3295 | continue; |
3296 | #endif | |
3297 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3298 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3299 | int ulen = UTF8SKIP(s); |
3300 | if (ulen < len - i) { | |
3301 | int j; | |
3302 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3303 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3304 | goto not_utf8; |
3305 | } | |
3306 | --ulen; /* loop does extra increment */ | |
3307 | s += ulen; | |
3308 | i += ulen; | |
3309 | continue; | |
3310 | } | |
3311 | } | |
3312 | not_utf8: | |
3313 | odd++; | |
146174a9 | 3314 | } |
a0d0e21e LW |
3315 | else if (*s < 32 && |
3316 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3317 | *s != '\t' && *s != '\f' && *s != 27) | |
3318 | odd++; | |
9d116dd7 | 3319 | #endif |
a0d0e21e LW |
3320 | } |
3321 | ||
533c011a | 3322 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3323 | RETPUSHNO; |
3324 | else | |
3325 | RETPUSHYES; | |
3326 | } | |
3327 | ||
a0d0e21e LW |
3328 | /* File calls. */ |
3329 | ||
3330 | PP(pp_chdir) | |
3331 | { | |
39644a26 | 3332 | dSP; dTARGET; |
f4362cdc | 3333 | const char *tmps = NULL; |
d7559646 | 3334 | GV *gv = NULL; |
a0d0e21e | 3335 | |
5415d9c5 | 3336 | if( MAXARG == 1 ) { |
d7559646 | 3337 | SV * const sv = POPs; |
5415d9c5 NC |
3338 | if (SvTYPE(sv) == SVt_PVGV) { |
3339 | gv = (GV*)sv; | |
3340 | } | |
3341 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
3342 | gv = (GV*)SvRV(sv); | |
3343 | } | |
3344 | else { | |
3345 | tmps = SvPVx_nolen_const(sv); | |
3346 | } | |
3347 | } | |
35ae6b54 | 3348 | |
5415d9c5 | 3349 | if( !gv && (!tmps || !*tmps) ) { |
d7559646 AL |
3350 | HV * const table = GvHVn(PL_envgv); |
3351 | SV **svp; | |
3352 | ||
3353 | if ( (svp = hv_fetchs(table, "HOME", FALSE)) | |
3354 | || (svp = hv_fetchs(table, "LOGDIR", FALSE)) | |
491527d0 | 3355 | #ifdef VMS |
d7559646 | 3356 | || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE)) |
491527d0 | 3357 | #endif |
35ae6b54 MS |
3358 | ) |
3359 | { | |
3360 | if( MAXARG == 1 ) | |
9014280d | 3361 | deprecate("chdir('') or chdir(undef) as chdir()"); |
291a7e74 | 3362 | tmps = SvPV_nolen_const(*svp); |
35ae6b54 | 3363 | } |
72f496dc | 3364 | else { |
389ec635 | 3365 | PUSHi(0); |
b7ab37f8 | 3366 | TAINT_PROPER("chdir"); |
389ec635 MS |
3367 | RETURN; |
3368 | } | |
8ea155d1 | 3369 | } |
8ea155d1 | 3370 | |
a0d0e21e | 3371 | TAINT_PROPER("chdir"); |
5415d9c5 NC |
3372 | if (gv) { |
3373 | #ifdef HAS_FCHDIR | |
d7559646 | 3374 | IO* const io = GvIO(gv); |
5415d9c5 NC |
3375 | if (io) { |
3376 | if (IoIFP(io)) { | |
3377 | PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0); | |
3378 | } | |
3379 | else if (IoDIRP(io)) { | |
3380 | #ifdef HAS_DIRFD | |
3381 | PUSHi(fchdir(dirfd(IoDIRP(io))) >= 0); | |
3382 | #else | |
3383 | DIE(aTHX_ PL_no_func, "dirfd"); | |
3384 | #endif | |
3385 | } | |
3386 | else { | |
3387 | PUSHi(0); | |
3388 | } | |
3389 | } | |
3390 | else { | |
3391 | PUSHi(0); | |
3392 | } | |
3393 | #else | |
3394 | DIE(aTHX_ PL_no_func, "fchdir"); | |
3395 | #endif | |
3396 | } | |
3397 | else | |
3398 | PUSHi( PerlDir_chdir((char *)tmps) >= 0 ); | |
748a9306 LW |
3399 | #ifdef VMS |
3400 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3401 | * in the future. */ | |
6b88bc9c | 3402 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3403 | #endif |
a0d0e21e LW |
3404 | RETURN; |
3405 | } | |
3406 | ||
3407 | PP(pp_chown) | |
3408 | { | |
76ffd3b9 | 3409 | dSP; dMARK; dTARGET; |
4f922d08 | 3410 | const I32 value = (I32)apply(PL_op->op_type, MARK, SP); |
76ffd3b9 | 3411 | |
a0d0e21e | 3412 | SP = MARK; |
937d2850 | 3413 | XPUSHi(value); |
a0d0e21e | 3414 | RETURN; |
a0d0e21e LW |
3415 | } |
3416 | ||
3417 | PP(pp_chroot) | |
3418 | { | |
a0d0e21e | 3419 | #ifdef HAS_CHROOT |
76ffd3b9 | 3420 | dSP; dTARGET; |
6d29369a | 3421 | char * const tmps = POPpx; |
a0d0e21e LW |
3422 | TAINT_PROPER("chroot"); |
3423 | PUSHi( chroot(tmps) >= 0 ); | |
3424 | RETURN; | |
3425 | #else | |
cea2e8a9 | 3426 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3427 | #endif |
3428 | } | |
3429 | ||
a0d0e21e LW |
3430 | PP(pp_rename) |
3431 | { | |
39644a26 | 3432 | dSP; dTARGET; |
a0d0e21e | 3433 | int anum; |
6d29369a AL |
3434 | const char * const tmps2 = POPpconstx; |
3435 | const char * const tmps = SvPV_nolen_const(TOPs); | |
a0d0e21e LW |
3436 | TAINT_PROPER("rename"); |
3437 | #ifdef HAS_RENAME | |
baed7233 | 3438 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3439 | #else |
6b88bc9c | 3440 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3441 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3442 | anum = 1; | |
3443 | else { | |
3654eb6c | 3444 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3445 | (void)UNLINK(tmps2); |
3446 | if (!(anum = link(tmps, tmps2))) | |
3447 | anum = UNLINK(tmps); | |
3448 | } | |
a0d0e21e LW |
3449 | } |
3450 | #endif | |
3451 | SETi( anum >= 0 ); | |
3452 | RETURN; | |
3453 | } | |
3454 | ||
4f922d08 | 3455 | #if defined(HAS_LINK) || defined(HAS_SYMLINK) |
a0d0e21e LW |
3456 | PP(pp_link) |
3457 | { | |
370f6000 | 3458 | dSP; dTARGET; |
4f922d08 AL |
3459 | const int op_type = PL_op->op_type; |
3460 | int result; | |
a0d0e21e | 3461 | |
4f922d08 AL |
3462 | # ifndef HAS_LINK |
3463 | if (op_type == OP_LINK) | |
3464 | DIE(aTHX_ PL_no_func, "link"); | |
3465 | # endif | |
3466 | # ifndef HAS_SYMLINK | |
3467 | if (op_type == OP_SYMLINK) | |
3468 | DIE(aTHX_ PL_no_func, "symlink"); | |
3469 | # endif | |
3470 | ||
3471 | { | |
6d29369a AL |
3472 | const char * const tmps2 = POPpconstx; |
3473 | const char * const tmps = SvPV_nolen_const(TOPs); | |
4f922d08 AL |
3474 | TAINT_PROPER(PL_op_desc[op_type]); |
3475 | result = | |
3476 | # if defined(HAS_LINK) | |
3477 | # if defined(HAS_SYMLINK) | |
3478 | /* Both present - need to choose which. */ | |
3479 | (op_type == OP_LINK) ? | |
3480 | PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2); | |
3481 | # else | |
3482 | /* Only have link, so calls to pp_symlink will have DIE()d above. */ | |
3483 | PerlLIO_link(tmps, tmps2); | |
3484 | # endif | |
3485 | # else | |
3486 | # if defined(HAS_SYMLINK) | |
3487 | /* Only have symlink, so calls to pp_link will have DIE()d above. */ | |
3488 | symlink(tmps, tmps2); | |
3489 | # endif | |
3490 | # endif | |
3491 | } | |
3492 | ||
3493 | SETi( result >= 0 ); | |
a0d0e21e | 3494 | RETURN; |
4f922d08 | 3495 | } |
a0d0e21e | 3496 | #else |
4f922d08 AL |
3497 | PP(pp_link) |
3498 | { | |
3499 | /* Have neither. */ | |
3500 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 3501 | } |
4f922d08 | 3502 | #endif |
a0d0e21e LW |
3503 | |
3504 | PP(pp_readlink) | |
3505 | { | |
76ffd3b9 | 3506 | dSP; |
a0d0e21e | 3507 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3508 | dTARGET; |
c06c673c | 3509 | const char *tmps; |
46fc3d4c | 3510 | char buf[MAXPATHLEN]; |
a0d0e21e | 3511 | int len; |
46fc3d4c | 3512 | |
fb73857a | 3513 | #ifndef INCOMPLETE_TAINTS |
3514 | TAINT; | |
3515 | #endif | |
c06c673c | 3516 | tmps = POPpconstx; |
97dcea33 | 3517 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3518 | EXTEND(SP, 1); |
3519 | if (len < 0) | |
3520 | RETPUSHUNDEF; | |
3521 | PUSHp(buf, len); | |
3522 | RETURN; | |
3523 | #else | |
3524 | EXTEND(SP, 1); | |
3525 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3526 | #endif | |
3527 | } | |
3528 | ||
3529 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3530 | STATIC int |
481da01c | 3531 | S_dooneliner(pTHX_ const char *cmd, const char *filename) |
a0d0e21e | 3532 | { |
481da01c | 3533 | char * const save_filename = filename; |
1e422769 | 3534 | char *cmdline; |
3535 | char *s; | |
760ac839 | 3536 | PerlIO *myfp; |
1e422769 | 3537 | int anum = 1; |
b8fbe28b | 3538 | Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10; |
a0d0e21e | 3539 | |
b8fbe28b NC |
3540 | Newx(cmdline, size, char); |
3541 | my_strlcpy(cmdline, cmd, size); | |
3542 | my_strlcat(cmdline, " ", size); | |
1e422769 | 3543 | for (s = cmdline + strlen(cmdline); *filename; ) { |
a0d0e21e LW |
3544 | *s++ = '\\'; |
3545 | *s++ = *filename++; | |
3546 | } | |
16563954 NC |
3547 | if (s - cmdline < size) |
3548 | my_strlcpy(s, " 2>&1", size - (s - cmdline)); | |
6ad3d225 | 3549 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3550 | Safefree(cmdline); |
3551 | ||
a0d0e21e | 3552 | if (myfp) { |
7508116b | 3553 | SV * const tmpsv = sv_newmortal(); |
6b88bc9c | 3554 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3555 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3556 | (void)PerlProc_pclose(myfp); |
0e2d6244 | 3557 | if (s != NULL) { |
1e422769 | 3558 | int e; |
3559 | for (e = 1; | |
a0d0e21e | 3560 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3561 | e <= sys_nerr |
3562 | #endif | |
3563 | ; e++) | |
3564 | { | |
3565 | /* you don't see this */ | |
8916b559 | 3566 | const char * const errmsg = |
1e422769 | 3567 | #ifdef HAS_SYS_ERRLIST |
3568 | sys_errlist[e] | |
a0d0e21e | 3569 | #else |
1e422769 | 3570 | strerror(e) |
a0d0e21e | 3571 | #endif |
1e422769 | 3572 | ; |
3573 | if (!errmsg) | |
3574 | break; | |
3575 | if (instr(s, errmsg)) { | |
3576 | SETERRNO(e,0); | |
3577 | return 0; | |
3578 | } | |
a0d0e21e | 3579 | } |
748a9306 | 3580 | SETERRNO(0,0); |
a0d0e21e LW |
3581 | #ifndef EACCES |
3582 | #define EACCES EPERM | |
3583 | #endif | |
1e422769 | 3584 | if (instr(s, "cannot make")) |
5b7ea690 | 3585 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3586 | else if (instr(s, "existing file")) |
5b7ea690 | 3587 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3588 | else if (instr(s, "ile exists")) |
5b7ea690 | 3589 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3590 | else if (instr(s, "non-exist")) |
5b7ea690 | 3591 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3592 | else if (instr(s, "does not exist")) |
5b7ea690 | 3593 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3594 | else if (instr(s, "not empty")) |
5b7ea690 | 3595 | SETERRNO(EBUSY,SS_DEVOFFLINE); |
1e422769 | 3596 | else if (instr(s, "cannot access")) |
5b7ea690 | 3597 | SETERRNO(EACCES,RMS_PRV); |
a0d0e21e | 3598 | else |
5b7ea690 | 3599 | SETERRNO(EPERM,RMS_PRV); |
a0d0e21e LW |
3600 | return 0; |
3601 | } | |
3602 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3603 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3604 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3605 | anum = !anum; |
3606 | if (anum) | |
748a9306 | 3607 | SETERRNO(0,0); |
a0d0e21e | 3608 | else |
5b7ea690 | 3609 | SETERRNO(EACCES,RMS_PRV); /* a guess */ |
a0d0e21e LW |
3610 | } |
3611 | return anum; | |
3612 | } | |
3613 | else | |
3614 | return 0; | |
3615 | } | |
3616 | #endif | |
3617 | ||
c04fee9e JH |
3618 | /* This macro removes trailing slashes from a directory name. |
3619 | * Different operating and file systems take differently to | |
3620 | * trailing slashes. According to POSIX 1003.1 1996 Edition | |
3621 | * any number of trailing slashes should be allowed. | |
3622 | * Thusly we snip them away so that even non-conforming | |
3623 | * systems are happy. | |
3624 | * We should probably do this "filtering" for all | |
3625 | * the functions that expect (potentially) directory names: | |
3626 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3627 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3628 | ||
8ec8dcb0 | 3629 | #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \ |
c04fee9e JH |
3630 | if ((len) > 1 && (tmps)[(len)-1] == '/') { \ |
3631 | do { \ | |
3632 | (len)--; \ | |
3633 | } while ((len) > 1 && (tmps)[(len)-1] == '/'); \ | |
3634 | (tmps) = savepvn((tmps), (len)); \ | |
3635 | (copy) = TRUE; \ | |
3636 | } | |
3637 | ||
a0d0e21e LW |
3638 | PP(pp_mkdir) |
3639 | { | |
39644a26 | 3640 | dSP; dTARGET; |
df25ddba | 3641 | STRLEN len; |
8ec8dcb0 | 3642 | const char *tmps; |
df25ddba | 3643 | bool copy = FALSE; |
6d29369a | 3644 | const int mode = (MAXARG > 1) ? POPi : 0777; |
5a211162 | 3645 | |
c04fee9e | 3646 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3647 | |
3648 | TAINT_PROPER("mkdir"); | |
3649 | #ifdef HAS_MKDIR | |
a799da4c | 3650 | SETi( PerlDir_mkdir((char *)tmps, mode) >= 0 ); |
a0d0e21e | 3651 | #else |
7508116b AL |
3652 | { |
3653 | int oldumask; | |
a0d0e21e | 3654 | SETi( dooneliner("mkdir", tmps) ); |
6ad3d225 GS |
3655 | oldumask = PerlLIO_umask(0); |
3656 | PerlLIO_umask(oldumask); | |
3657 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
7508116b | 3658 | } |
a0d0e21e | 3659 | #endif |
df25ddba JH |
3660 | if (copy) |
3661 | Safefree(tmps); | |
a0d0e21e LW |
3662 | RETURN; |
3663 | } | |
3664 | ||
3665 | PP(pp_rmdir) | |
3666 | { | |
39644a26 | 3667 | dSP; dTARGET; |
c04fee9e | 3668 | STRLEN len; |
8ec8dcb0 | 3669 | const char *tmps; |
c04fee9e | 3670 | bool copy = FALSE; |
a0d0e21e | 3671 | |
c04fee9e | 3672 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3673 | TAINT_PROPER("rmdir"); |
3674 | #ifdef HAS_RMDIR | |
a799da4c | 3675 | SETi( PerlDir_rmdir((char *)tmps) >= 0 ); |
a0d0e21e | 3676 | #else |
c04fee9e | 3677 | SETi( dooneliner("rmdir", tmps) ); |
a0d0e21e | 3678 | #endif |
c04fee9e JH |
3679 | if (copy) |
3680 | Safefree(tmps); | |
a0d0e21e LW |
3681 | RETURN; |
3682 | } | |
3683 | ||
3684 | /* Directory calls. */ | |
3685 | ||
3686 | PP(pp_open_dir) | |
3687 | { | |
a0d0e21e | 3688 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3689 | dSP; |
6d29369a AL |
3690 | const char * const dirname = POPpconstx; |
3691 | GV * const gv = (GV*)POPs; | |
3692 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
3693 | |
3694 | if (!io) | |
3695 | goto nope; | |
3696 | ||
3697 | if (IoDIRP(io)) | |
6ad3d225 | 3698 | PerlDir_close(IoDIRP(io)); |
d6c6363e | 3699 | if (!(IoDIRP(io) = PerlDir_open((char *)dirname))) |
a0d0e21e LW |
3700 | goto nope; |
3701 | ||
3702 | RETPUSHYES; | |
3703 | nope: | |
3704 | if (!errno) | |
5b7ea690 | 3705 | SETERRNO(EBADF,RMS_DIR); |
a0d0e21e LW |
3706 | RETPUSHUNDEF; |
3707 | #else | |
cea2e8a9 | 3708 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3709 | #endif |
3710 | } | |
3711 | ||
3712 | PP(pp_readdir) | |
3713 | { | |
e8e58922 JH |
3714 | #if !defined(Direntry_t) || !defined(HAS_READDIR) |
3715 | DIE(aTHX_ PL_no_dir_func, "readdir"); | |
3716 | #else | |
fd8cd3a3 | 3717 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3718 | Direntry_t *readdir (DIR *); |
a0d0e21e | 3719 | #endif |
e8e58922 JH |
3720 | dSP; |
3721 | ||
3722 | SV *sv; | |
24c2fff4 | 3723 | const I32 gimme = GIMME; |
6d29369a AL |
3724 | GV * const gv = (GV *)POPs; |
3725 | register const Direntry_t *dp; | |
3726 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3727 | |
2f988442 NC |
3728 | if (!io || !IoDIRP(io)) { |
3729 | if(ckWARN(WARN_IO)) { | |
3730 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3731 | "readdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3732 | } | |
3733 | goto nope; | |
3734 | } | |
a0d0e21e | 3735 | |
e8e58922 JH |
3736 | do { |
3737 | dp = (Direntry_t *)PerlDir_read(IoDIRP(io)); | |
3738 | if (!dp) | |
3739 | break; | |
a0d0e21e | 3740 | #ifdef DIRNAMLEN |
e8e58922 | 3741 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3742 | #else |
e8e58922 | 3743 | sv = newSVpv(dp->d_name, 0); |
fb73857a | 3744 | #endif |
3745 | #ifndef INCOMPLETE_TAINTS | |
e8e58922 JH |
3746 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3747 | SvTAINTED_on(sv); | |
a0d0e21e | 3748 | #endif |
e8e58922 | 3749 | XPUSHs(sv_2mortal(sv)); |
8e7b0921 | 3750 | } while (gimme == G_ARRAY); |
e8e58922 JH |
3751 | |
3752 | if (!dp && gimme != G_ARRAY) | |
3753 | goto nope; | |
3754 | ||
a0d0e21e LW |
3755 | RETURN; |
3756 | ||
3757 | nope: | |
3758 | if (!errno) | |
5b7ea690 | 3759 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3760 | if (GIMME == G_ARRAY) |
3761 | RETURN; | |
3762 | else | |
3763 | RETPUSHUNDEF; | |
a0d0e21e LW |
3764 | #endif |
3765 | } | |
3766 | ||
3767 | PP(pp_telldir) | |
3768 | { | |
a0d0e21e | 3769 | #if defined(HAS_TELLDIR) || defined(telldir) |
9cad6237 | 3770 | dSP; dTARGET; |
968dcd91 JH |
3771 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3772 | /* XXX netbsd still seemed to. | |
3773 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3774 | --JHI 1999-Feb-02 */ | |
3775 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3776 | long telldir (DIR *); |
dfe9444c | 3777 | # endif |
6d29369a AL |
3778 | GV * const gv = (GV*)POPs; |
3779 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3780 | |
2f988442 NC |
3781 | if (!io || !IoDIRP(io)) { |
3782 | if(ckWARN(WARN_IO)) { | |
3783 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3784 | "telldir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3785 | } | |
3786 | goto nope; | |
3787 | } | |
a0d0e21e | 3788 | |
6ad3d225 | 3789 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3790 | RETURN; |
3791 | nope: | |
3792 | if (!errno) | |
5b7ea690 | 3793 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3794 | RETPUSHUNDEF; |
3795 | #else | |
cea2e8a9 | 3796 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3797 | #endif |
3798 | } | |
3799 | ||
3800 | PP(pp_seekdir) | |
3801 | { | |
a0d0e21e | 3802 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
9cad6237 | 3803 | dSP; |
6d29369a AL |
3804 | const long along = POPl; |
3805 | GV * const gv = (GV*)POPs; | |
3806 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3807 | |
2f988442 NC |
3808 | if (!io || !IoDIRP(io)) { |
3809 | if(ckWARN(WARN_IO)) { | |
3810 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3811 | "seekdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3812 | } | |
3813 | goto nope; | |
3814 | } | |
6ad3d225 | 3815 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3816 | |
3817 | RETPUSHYES; | |
3818 | nope: | |
3819 | if (!errno) | |
5b7ea690 | 3820 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3821 | RETPUSHUNDEF; |
3822 | #else | |
cea2e8a9 | 3823 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3824 | #endif |
3825 | } | |
3826 | ||
3827 | PP(pp_rewinddir) | |
3828 | { | |
a0d0e21e | 3829 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
9cad6237 | 3830 | dSP; |
6d29369a AL |
3831 | GV * const gv = (GV*)POPs; |
3832 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3833 | |
2f988442 NC |
3834 | if (!io || !IoDIRP(io)) { |
3835 | if(ckWARN(WARN_IO)) { | |
3836 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3837 | "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3838 | } | |
a0d0e21e | 3839 | goto nope; |
2f988442 | 3840 | } |
6ad3d225 | 3841 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3842 | RETPUSHYES; |
3843 | nope: | |
3844 | if (!errno) | |
5b7ea690 | 3845 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3846 | RETPUSHUNDEF; |
3847 | #else | |
cea2e8a9 | 3848 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3849 | #endif |
3850 | } | |
3851 | ||
3852 | PP(pp_closedir) | |
3853 | { | |
a0d0e21e | 3854 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3855 | dSP; |
6d29369a AL |
3856 | GV * const gv = (GV*)POPs; |
3857 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3858 | |
2f988442 NC |
3859 | if (!io || !IoDIRP(io)) { |
3860 | if(ckWARN(WARN_IO)) { | |
3861 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3862 | "closedir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3863 | } | |
3864 | goto nope; | |
3865 | } | |
a0d0e21e | 3866 | #ifdef VOID_CLOSEDIR |
6ad3d225 | 3867 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3868 | #else |
6ad3d225 | 3869 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3870 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3871 | goto nope; |
748a9306 | 3872 | } |
a0d0e21e LW |
3873 | #endif |
3874 | IoDIRP(io) = 0; | |
3875 | ||
3876 | RETPUSHYES; | |
3877 | nope: | |
3878 | if (!errno) | |
5b7ea690 | 3879 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3880 | RETPUSHUNDEF; |
3881 | #else | |
cea2e8a9 | 3882 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
3883 | #endif |
3884 | } | |
3885 | ||
3886 | /* Process control. */ | |
3887 | ||
3888 | PP(pp_fork) | |
3889 | { | |
44a8e56a | 3890 | #ifdef HAS_FORK |
39644a26 | 3891 | dSP; dTARGET; |
761237fe | 3892 | Pid_t childpid; |
a0d0e21e LW |
3893 | |
3894 | EXTEND(SP, 1); | |
45bc9206 | 3895 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 3896 | childpid = PerlProc_fork(); |
a0d0e21e LW |
3897 | if (childpid < 0) |
3898 | RETSETUNDEF; | |
3899 | if (!childpid) { | |
b977d03a | 3900 | GV * const tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV); |
6d29369a | 3901 | if (tmpgv) { |
306196c3 | 3902 | SvREADONLY_off(GvSV(tmpgv)); |
146174a9 | 3903 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3904 | SvREADONLY_on(GvSV(tmpgv)); |
3905 | } | |
5b7ea690 JH |
3906 | #ifdef THREADS_HAVE_PIDS |
3907 | PL_ppid = (IV)getppid(); | |
3908 | #endif | |
3280af22 | 3909 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
a0d0e21e LW |
3910 | } |
3911 | PUSHi(childpid); | |
3912 | RETURN; | |
3913 | #else | |
146174a9 | 3914 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 3915 | dSP; dTARGET; |
146174a9 CB |
3916 | Pid_t childpid; |
3917 | ||
3918 | EXTEND(SP, 1); | |
3919 | PERL_FLUSHALL_FOR_CHILD; | |
3920 | childpid = PerlProc_fork(); | |
60fa28ff GS |
3921 | if (childpid == -1) |
3922 | RETSETUNDEF; | |
146174a9 CB |
3923 | PUSHi(childpid); |
3924 | RETURN; | |
3925 | # else | |
0322a713 | 3926 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 3927 | # endif |
a0d0e21e LW |
3928 | #endif |
3929 | } | |
3930 | ||
3931 | PP(pp_wait) | |
3932 | { | |
301e8125 | 3933 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3934 | dSP; dTARGET; |
761237fe | 3935 | Pid_t childpid; |
a0d0e21e | 3936 | int argflags; |
a0d0e21e | 3937 | |
5835a535 JH |
3938 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
3939 | childpid = wait4pid(-1, &argflags, 0); | |
3940 | else { | |
3941 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && | |
3942 | errno == EINTR) { | |
3943 | PERL_ASYNC_CHECK(); | |
3944 | } | |
0a0ada86 | 3945 | } |
68a29c53 GS |
3946 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3947 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
aa649b9f | 3948 | STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1); |
68a29c53 | 3949 | # else |
aa649b9f | 3950 | STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 3951 | # endif |
44a8e56a | 3952 | XPUSHi(childpid); |
a0d0e21e LW |
3953 | RETURN; |
3954 | #else | |
0322a713 | 3955 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
3956 | #endif |
3957 | } | |
3958 | ||
3959 | PP(pp_waitpid) | |
3960 | { | |
301e8125 | 3961 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3962 | dSP; dTARGET; |
7508116b AL |
3963 | const int optype = POPi; |
3964 | const Pid_t pid = TOPi; | |
4a04c497 | 3965 | Pid_t result; |
a0d0e21e | 3966 | int argflags; |
a0d0e21e | 3967 | |
5835a535 | 3968 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
4a04c497 | 3969 | result = wait4pid(pid, &argflags, optype); |
5835a535 | 3970 | else { |
4a04c497 | 3971 | while ((result = wait4pid(pid, &argflags, optype)) == -1 && |
5835a535 JH |
3972 | errno == EINTR) { |
3973 | PERL_ASYNC_CHECK(); | |
3974 | } | |
0a0ada86 | 3975 | } |
68a29c53 GS |
3976 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3977 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
aa649b9f | 3978 | STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1); |
68a29c53 | 3979 | # else |
aa649b9f | 3980 | STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1); |
68a29c53 | 3981 | # endif |
4a04c497 | 3982 | SETi(result); |
a0d0e21e LW |
3983 | RETURN; |
3984 | #else | |
0322a713 | 3985 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
3986 | #endif |
3987 | } | |
3988 | ||
3989 | PP(pp_system) | |
3990 | { | |
39644a26 | 3991 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3992 | I32 value; |
76ffd3b9 | 3993 | int result; |
a0d0e21e | 3994 | |
bbd7eb8a RD |
3995 | if (PL_tainting) { |
3996 | TAINT_ENV(); | |
3997 | while (++MARK <= SP) { | |
c06c673c | 3998 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5b7ea690 | 3999 | if (PL_tainted) |
bbd7eb8a RD |
4000 | break; |
4001 | } | |
4002 | MARK = ORIGMARK; | |
5b7ea690 | 4003 | TAINT_PROPER("system"); |
a0d0e21e | 4004 | } |
45bc9206 | 4005 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 4006 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 | 4007 | { |
eb160463 GS |
4008 | Pid_t childpid; |
4009 | int pp[2]; | |
fe20fd30 | 4010 | I32 did_pipes = 0; |
eb160463 GS |
4011 | |
4012 | if (PerlProc_pipe(pp) >= 0) | |
4013 | did_pipes = 1; | |
4014 | while ((childpid = PerlProc_fork()) == -1) { | |
4015 | if (errno != EAGAIN) { | |
4016 | value = -1; | |
4017 | SP = ORIGMARK; | |
937d2850 | 4018 | XPUSHi(value); |
eb160463 GS |
4019 | if (did_pipes) { |
4020 | PerlLIO_close(pp[0]); | |
4021 | PerlLIO_close(pp[1]); | |
4022 | } | |
4023 | RETURN; | |
4024 | } | |
4025 | sleep(5); | |
4026 | } | |
4027 | if (childpid > 0) { | |
4028 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
4029 | int status; | |
4030 | ||
4031 | if (did_pipes) | |
4032 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4033 | #ifndef PERL_MICRO |
17afd9a0 NC |
4034 | rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand); |
4035 | rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand); | |
64ca3a65 | 4036 | #endif |
eb160463 GS |
4037 | do { |
4038 | result = wait4pid(childpid, &status, 0); | |
4039 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4040 | #ifndef PERL_MICRO |
eb160463 GS |
4041 | (void)rsignal_restore(SIGINT, &ihand); |
4042 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4043 | #endif | |
b14528dd | 4044 | STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status); |
eb160463 GS |
4045 | do_execfree(); /* free any memory child malloced on fork */ |
4046 | SP = ORIGMARK; | |
4047 | if (did_pipes) { | |
4048 | int errkid; | |
9f01e09a MHM |
4049 | unsigned n = 0; |
4050 | SSize_t n1; | |
eb160463 GS |
4051 | |
4052 | while (n < sizeof(int)) { | |
4053 | n1 = PerlLIO_read(pp[0], | |
4054 | (void*)(((char*)&errkid)+n), | |
4055 | (sizeof(int)) - n); | |
4056 | if (n1 <= 0) | |
4057 | break; | |
4058 | n += n1; | |
4059 | } | |
4060 | PerlLIO_close(pp[0]); | |
4061 | if (n) { /* Error */ | |
4062 | if (n != sizeof(int)) | |
4063 | DIE(aTHX_ "panic: kid popen errno read"); | |
4064 | errno = errkid; /* Propagate errno from kid */ | |
b14528dd | 4065 | STATUS_NATIVE_CHILD_SET(-1); |
eb160463 GS |
4066 | } |
4067 | } | |
937d2850 | 4068 | XPUSHi(STATUS_CURRENT); |
eb160463 GS |
4069 | RETURN; |
4070 | } | |
4071 | if (did_pipes) { | |
4072 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4073 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
eb160463 | 4074 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4075 | #endif |
eb160463 | 4076 | } |
e0a1f643 | 4077 | if (PL_op->op_flags & OPf_STACKED) { |
7508116b | 4078 | SV * const really = *++MARK; |
e0a1f643 JH |
4079 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
4080 | } | |
4081 | else if (SP - MARK != 1) | |
0e2d6244 | 4082 | value = (I32)do_aexec5(NULL, MARK, SP, pp[1], did_pipes); |
e0a1f643 | 4083 | else { |
291a7e74 | 4084 | value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes); |
e0a1f643 JH |
4085 | } |
4086 | PerlProc__exit(-1); | |
d5a9bfb0 | 4087 | } |
c3293030 | 4088 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4089 | PL_statusvalue = 0; |
4090 | result = 0; | |
911d147d | 4091 | if (PL_op->op_flags & OPf_STACKED) { |
7508116b | 4092 | SV * const really = *++MARK; |
fe20fd30 | 4093 | # if defined(WIN32) || defined(OS2) || defined(SYMBIAN) |
54725af6 GS |
4094 | value = (I32)do_aspawn(really, MARK, SP); |
4095 | # else | |
c5be433b | 4096 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
54725af6 | 4097 | # endif |
a0d0e21e | 4098 | } |
54725af6 | 4099 | else if (SP - MARK != 1) { |
fe20fd30 | 4100 | # if defined(WIN32) || defined(OS2) || defined(SYMBIAN) |
0e2d6244 | 4101 | value = (I32)do_aspawn(NULL, MARK, SP); |
54725af6 | 4102 | # else |
0e2d6244 | 4103 | value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP); |
54725af6 GS |
4104 | # endif |
4105 | } | |
a0d0e21e | 4106 | else { |
291a7e74 | 4107 | value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4108 | } |
922b1888 GS |
4109 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4110 | result = 1; | |
aa649b9f | 4111 | STATUS_NATIVE_CHILD_SET(value); |
a0d0e21e LW |
4112 | do_execfree(); |
4113 | SP = ORIGMARK; | |
937d2850 | 4114 | XPUSHi(result ? value : STATUS_CURRENT); |
a0d0e21e LW |
4115 | #endif /* !FORK or VMS */ |
4116 | RETURN; | |
4117 | } | |
4118 | ||
4119 | PP(pp_exec) | |
4120 | { | |
39644a26 | 4121 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4122 | I32 value; |
4123 | ||
bbd7eb8a RD |
4124 | if (PL_tainting) { |
4125 | TAINT_ENV(); | |
4126 | while (++MARK <= SP) { | |
c06c673c | 4127 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5b7ea690 | 4128 | if (PL_tainted) |
bbd7eb8a RD |
4129 | break; |
4130 | } | |
4131 | MARK = ORIGMARK; | |
5b7ea690 | 4132 | TAINT_PROPER("exec"); |
bbd7eb8a | 4133 | } |
45bc9206 | 4134 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4135 | if (PL_op->op_flags & OPf_STACKED) { |
7508116b | 4136 | SV * const really = *++MARK; |
a0d0e21e LW |
4137 | value = (I32)do_aexec(really, MARK, SP); |
4138 | } | |
4139 | else if (SP - MARK != 1) | |
4140 | #ifdef VMS | |
0e2d6244 | 4141 | value = (I32)vms_do_aexec(NULL, MARK, SP); |
a0d0e21e | 4142 | #else |
092bebab JH |
4143 | # ifdef __OPEN_VM |
4144 | { | |
0e2d6244 | 4145 | (void ) do_aspawn(NULL, MARK, SP); |
092bebab JH |
4146 | value = 0; |
4147 | } | |
4148 | # else | |
0e2d6244 | 4149 | value = (I32)do_aexec(NULL, MARK, SP); |
092bebab | 4150 | # endif |
a0d0e21e LW |
4151 | #endif |
4152 | else { | |
a0d0e21e | 4153 | #ifdef VMS |
291a7e74 | 4154 | value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4155 | #else |
092bebab | 4156 | # ifdef __OPEN_VM |
291a7e74 | 4157 | (void) do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab JH |
4158 | value = 0; |
4159 | # else | |
291a7e74 | 4160 | value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab | 4161 | # endif |
a0d0e21e LW |
4162 | #endif |
4163 | } | |
146174a9 | 4164 | |
a0d0e21e | 4165 | SP = ORIGMARK; |
937d2850 | 4166 | XPUSHi(value); |
a0d0e21e LW |
4167 | RETURN; |
4168 | } | |
4169 | ||
a0d0e21e LW |
4170 | PP(pp_getppid) |
4171 | { | |
4172 | #ifdef HAS_GETPPID | |
39644a26 | 4173 | dSP; dTARGET; |
5b7ea690 | 4174 | # ifdef THREADS_HAVE_PIDS |
b495b599 NC |
4175 | if (PL_ppid != 1 && getppid() == 1) |
4176 | /* maybe the parent process has died. Refresh ppid cache */ | |
4177 | PL_ppid = 1; | |
5b7ea690 JH |
4178 | XPUSHi( PL_ppid ); |
4179 | # else | |
a0d0e21e | 4180 | XPUSHi( getppid() ); |
5b7ea690 | 4181 | # endif |
a0d0e21e LW |
4182 | RETURN; |
4183 | #else | |
cea2e8a9 | 4184 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4185 | #endif |
4186 | } | |
4187 | ||
4188 | PP(pp_getpgrp) | |
4189 | { | |
4190 | #ifdef HAS_GETPGRP | |
39644a26 | 4191 | dSP; dTARGET; |
9853a804 | 4192 | Pid_t pgrp; |
7508116b | 4193 | const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs); |
a0d0e21e | 4194 | |
c3293030 | 4195 | #ifdef BSD_GETPGRP |
9853a804 | 4196 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4197 | #else |
146174a9 | 4198 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4199 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4200 | pgrp = getpgrp(); |
a0d0e21e | 4201 | #endif |
9853a804 | 4202 | XPUSHi(pgrp); |
a0d0e21e LW |
4203 | RETURN; |
4204 | #else | |
cea2e8a9 | 4205 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4206 | #endif |
4207 | } | |
4208 | ||
4209 | PP(pp_setpgrp) | |
4210 | { | |
4211 | #ifdef HAS_SETPGRP | |
39644a26 | 4212 | dSP; dTARGET; |
d8a83dd3 JH |
4213 | Pid_t pgrp; |
4214 | Pid_t pid; | |
a0d0e21e LW |
4215 | if (MAXARG < 2) { |
4216 | pgrp = 0; | |
4217 | pid = 0; | |
4218 | } | |
4219 | else { | |
4220 | pgrp = POPi; | |
4221 | pid = TOPi; | |
4222 | } | |
4223 | ||
4224 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4225 | #ifdef BSD_SETPGRP |
4226 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4227 | #else |
146174a9 CB |
4228 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4229 | || (pid != 0 && pid != PerlProc_getpid())) | |
4230 | { | |
4231 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4232 | } | |
a0d0e21e LW |
4233 | SETi( setpgrp() >= 0 ); |
4234 | #endif /* USE_BSDPGRP */ | |
4235 | RETURN; | |
4236 | #else | |
cea2e8a9 | 4237 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4238 | #endif |
4239 | } | |
4240 | ||
4241 | PP(pp_getpriority) | |
4242 | { | |
a0d0e21e | 4243 | #ifdef HAS_GETPRIORITY |
9cad6237 | 4244 | dSP; dTARGET; |
7508116b AL |
4245 | const int who = POPi; |
4246 | const int which = TOPi; | |
a0d0e21e LW |
4247 | SETi( getpriority(which, who) ); |
4248 | RETURN; | |
4249 | #else | |
cea2e8a9 | 4250 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4251 | #endif |
4252 | } | |
4253 | ||
4254 | PP(pp_setpriority) | |
4255 | { | |
a0d0e21e | 4256 | #ifdef HAS_SETPRIORITY |
9cad6237 | 4257 | dSP; dTARGET; |
7508116b AL |
4258 | const int niceval = POPi; |
4259 | const int who = POPi; | |
4260 | const int which = TOPi; | |
a0d0e21e LW |
4261 | TAINT_PROPER("setpriority"); |
4262 | SETi( setpriority(which, who, niceval) >= 0 ); | |
4263 | RETURN; | |
4264 | #else | |
cea2e8a9 | 4265 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4266 | #endif |
4267 | } | |
4268 | ||
4269 | /* Time calls. */ | |
4270 | ||
4271 | PP(pp_time) | |
4272 | { | |
39644a26 | 4273 | dSP; dTARGET; |
cbdc8872 | 4274 | #ifdef BIG_TIME |
0e2d6244 | 4275 | XPUSHn( time(NULL) ); |
cbdc8872 | 4276 | #else |
0e2d6244 | 4277 | XPUSHi( time(NULL) ); |
cbdc8872 | 4278 | #endif |
a0d0e21e LW |
4279 | RETURN; |
4280 | } | |
4281 | ||
a0d0e21e LW |
4282 | PP(pp_tms) |
4283 | { | |
9cad6237 | 4284 | #ifdef HAS_TIMES |
39644a26 | 4285 | dSP; |
a0d0e21e | 4286 | EXTEND(SP, 4); |
a0d0e21e | 4287 | #ifndef VMS |
3280af22 | 4288 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4289 | #else |
6b88bc9c | 4290 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4291 | /* struct tms, though same data */ |
4292 | /* is returned. */ | |
a0d0e21e LW |
4293 | #endif |
4294 | ||
5b7ea690 | 4295 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick))); |
a0d0e21e | 4296 | if (GIMME == G_ARRAY) { |
5b7ea690 JH |
4297 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick))); |
4298 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick))); | |
4299 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick))); | |
a0d0e21e LW |
4300 | } |
4301 | RETURN; | |
9cad6237 | 4302 | #else |
75a5c1c6 JH |
4303 | # ifdef PERL_MICRO |
4304 | dSP; | |
4305 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4306 | EXTEND(SP, 4); | |
4307 | if (GIMME == G_ARRAY) { | |
4308 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4309 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4310 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4311 | } | |
4312 | RETURN; | |
4313 | # else | |
9cad6237 | 4314 | DIE(aTHX_ "times not implemented"); |
75a5c1c6 | 4315 | # endif |
55497cff | 4316 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4317 | } |
4318 | ||
0236d32d NC |
4319 | #ifdef LOCALTIME_EDGECASE_BROKEN |
4320 | static struct tm *S_my_localtime (pTHX_ Time_t *tp) | |
4321 | { | |
4322 | auto time_t T; | |
4323 | auto struct tm *P; | |
4324 | ||
4325 | /* No workarounds in the valid range */ | |
4326 | if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000) | |
4327 | return (localtime (tp)); | |
4328 | ||
4329 | /* This edge case is to workaround the undefined behaviour, where the | |
4330 | * TIMEZONE makes the time go beyond the defined range. | |
4331 | * gmtime (0x7fffffff) => 2038-01-19 03:14:07 | |
4332 | * If there is a negative offset in TZ, like MET-1METDST, some broken | |
4333 | * implementations of localtime () (like AIX 5.2) barf with bogus | |
4334 | * return values: | |
4335 | * 0x7fffffff gmtime 2038-01-19 03:14:07 | |
4336 | * 0x7fffffff localtime 1901-12-13 21:45:51 | |
4337 | * 0x7fffffff mylocaltime 2038-01-19 04:14:07 | |
4338 | * 0x3c19137f gmtime 2001-12-13 20:45:51 | |
4339 | * 0x3c19137f localtime 2001-12-13 21:45:51 | |
4340 | * 0x3c19137f mylocaltime 2001-12-13 21:45:51 | |
4341 | * Given that legal timezones are typically between GMT-12 and GMT+12 | |
4342 | * we turn back the clock 23 hours before calling the localtime | |
4343 | * function, and add those to the return value. This will never cause | |
4344 | * day wrapping problems, since the edge case is Tue Jan *19* | |
4345 | */ | |
4346 | T = *tp - 82800; /* 23 hour. allows up to GMT-23 */ | |
4347 | P = localtime (&T); | |
4348 | P->tm_hour += 23; | |
4349 | if (P->tm_hour >= 24) { | |
4350 | P->tm_hour -= 24; | |
4351 | P->tm_mday++; /* 18 -> 19 */ | |
4352 | P->tm_wday++; /* Mon -> Tue */ | |
4353 | P->tm_yday++; /* 18 -> 19 */ | |
4354 | } | |
4355 | return (P); | |
4356 | } /* S_my_localtime */ | |
4357 | #endif | |
4358 | ||
a0d0e21e LW |
4359 | PP(pp_gmtime) |
4360 | { | |
39644a26 | 4361 | dSP; |
a0d0e21e | 4362 | Time_t when; |
a00f3e00 | 4363 | const struct tm *tmbuf; |
fe20fd30 JH |
4364 | static const char * const dayname[] = |
4365 | {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4366 | static const char * const monname[] = | |
4367 | {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4368 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
a0d0e21e LW |
4369 | |
4370 | if (MAXARG < 1) | |
4371 | (void)time(&when); | |
4372 | else | |
cbdc8872 | 4373 | #ifdef BIG_TIME |
4374 | when = (Time_t)SvNVx(POPs); | |
4375 | #else | |
a0d0e21e | 4376 | when = (Time_t)SvIVx(POPs); |
cbdc8872 | 4377 | #endif |
a0d0e21e | 4378 | |
533c011a | 4379 | if (PL_op->op_type == OP_LOCALTIME) |
0236d32d NC |
4380 | #ifdef LOCALTIME_EDGECASE_BROKEN |
4381 | tmbuf = S_my_localtime(aTHX_ &when); | |
4382 | #else | |
a0d0e21e | 4383 | tmbuf = localtime(&when); |
0236d32d | 4384 | #endif |
a0d0e21e LW |
4385 | else |
4386 | tmbuf = gmtime(&when); | |
4387 | ||
a0d0e21e | 4388 | if (GIMME != G_ARRAY) { |
46fc3d4c | 4389 | SV *tsv; |
9a5ff6d9 AB |
4390 | EXTEND(SP, 1); |
4391 | EXTEND_MORTAL(1); | |
a0d0e21e LW |
4392 | if (!tmbuf) |
4393 | RETPUSHUNDEF; | |
be28567c | 4394 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", |
f5a29b03 RB |
4395 | dayname[tmbuf->tm_wday], |
4396 | monname[tmbuf->tm_mon], | |
be28567c GS |
4397 | tmbuf->tm_mday, |
4398 | tmbuf->tm_hour, | |
4399 | tmbuf->tm_min, | |
4400 | tmbuf->tm_sec, | |
4401 | tmbuf->tm_year + 1900); | |
46fc3d4c | 4402 | PUSHs(sv_2mortal(tsv)); |
a0d0e21e LW |
4403 | } |
4404 | else if (tmbuf) { | |
9a5ff6d9 AB |
4405 | EXTEND(SP, 9); |
4406 | EXTEND_MORTAL(9); | |
4407 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); | |
c6419e06 JH |
4408 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); |
4409 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); | |
4410 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); | |
4411 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); | |
4412 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); | |
4413 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); | |
4414 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); | |
4415 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); | |
a0d0e21e LW |
4416 | } |
4417 | RETURN; | |
4418 | } | |
4419 | ||
4420 | PP(pp_alarm) | |
4421 | { | |
9cad6237 | 4422 | #ifdef HAS_ALARM |
39644a26 | 4423 | dSP; dTARGET; |
a0d0e21e | 4424 | int anum; |
a0d0e21e LW |
4425 | anum = POPi; |
4426 | anum = alarm((unsigned int)anum); | |
4427 | EXTEND(SP, 1); | |
4428 | if (anum < 0) | |
4429 | RETPUSHUNDEF; | |
c6419e06 | 4430 | PUSHi(anum); |
a0d0e21e LW |
4431 | RETURN; |
4432 | #else | |
0322a713 | 4433 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4434 | #endif |
4435 | } | |
4436 | ||
4437 | PP(pp_sleep) | |
4438 | { | |
39644a26 | 4439 | dSP; dTARGET; |
a0d0e21e LW |
4440 | I32 duration; |
4441 | Time_t lasttime; | |
4442 | Time_t when; | |
4443 | ||
4444 | (void)time(&lasttime); | |
4445 | if (MAXARG < 1) | |
76e3520e | 4446 | PerlProc_pause(); |
a0d0e21e LW |
4447 | else { |
4448 | duration = POPi; | |
76e3520e | 4449 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4450 | } |
4451 | (void)time(&when); | |
4452 | XPUSHi(when - lasttime); | |
4453 | RETURN; | |
4454 | } | |
4455 | ||
4456 | /* Shared memory. */ | |
4fbce521 | 4457 | /* Merged with some message passing. */ |
a0d0e21e | 4458 | |
a0d0e21e LW |
4459 | PP(pp_shmwrite) |
4460 | { | |
4461 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4462 | dSP; dMARK; dTARGET; |
4fbce521 NC |
4463 | const int op_type = PL_op->op_type; |
4464 | I32 value; | |
a0d0e21e | 4465 | |
4fbce521 NC |
4466 | switch (op_type) { |
4467 | case OP_MSGSND: | |
4468 | value = (I32)(do_msgsnd(MARK, SP) >= 0); | |
4469 | break; | |
4470 | case OP_MSGRCV: | |
4471 | value = (I32)(do_msgrcv(MARK, SP) >= 0); | |
4472 | break; | |
4473 | case OP_SEMOP: | |
4474 | value = (I32)(do_semop(MARK, SP) >= 0); | |
4475 | break; | |
4476 | default: | |
4477 | value = (I32)(do_shmio(op_type, MARK, SP) >= 0); | |
4478 | break; | |
4479 | } | |
a0d0e21e | 4480 | |
a0d0e21e LW |
4481 | SP = MARK; |
4482 | PUSHi(value); | |
4483 | RETURN; | |
4484 | #else | |
cea2e8a9 | 4485 | return pp_semget(); |
a0d0e21e LW |
4486 | #endif |
4487 | } | |
4488 | ||
4489 | /* Semaphores. */ | |
4490 | ||
4491 | PP(pp_semget) | |
4492 | { | |
4493 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4494 | dSP; dMARK; dTARGET; |
7508116b | 4495 | const int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4496 | SP = MARK; |
4497 | if (anum == -1) | |
4498 | RETPUSHUNDEF; | |
4499 | PUSHi(anum); | |
4500 | RETURN; | |
4501 | #else | |
cea2e8a9 | 4502 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4503 | #endif |
4504 | } | |
4505 | ||
4506 | PP(pp_semctl) | |
4507 | { | |
4508 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4509 | dSP; dMARK; dTARGET; |
7508116b | 4510 | const int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4511 | SP = MARK; |
4512 | if (anum == -1) | |
4513 | RETSETUNDEF; | |
4514 | if (anum != 0) { | |
4515 | PUSHi(anum); | |
4516 | } | |
4517 | else { | |
8903cb82 | 4518 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4519 | } |
4520 | RETURN; | |
4521 | #else | |
cea2e8a9 | 4522 | return pp_semget(); |
a0d0e21e LW |
4523 | #endif |
4524 | } | |
4525 | ||
937d123c NC |
4526 | /* I can't const this further without getting warnings about the types of |
4527 | various arrays passed in from structures. */ | |
4528 | static SV * | |
4529 | S_space_join_names_mortal(pTHX_ char *const *array) | |
4530 | { | |
4531 | SV *target; | |
4532 | ||
4533 | if (array && *array) { | |
4534 | target = sv_2mortal(newSVpvs("")); | |
4535 | while (1) { | |
4536 | sv_catpv(target, *array); | |
4537 | if (!*++array) | |
4538 | break; | |
4539 | sv_catpvs(target, " "); | |
4540 | } | |
4541 | } else { | |
4542 | target = sv_mortalcopy(&PL_sv_no); | |
4543 | } | |
4544 | return target; | |
4545 | } | |
4546 | ||
a0d0e21e LW |
4547 | /* Get system info. */ |
4548 | ||
a0d0e21e LW |
4549 | PP(pp_ghostent) |
4550 | { | |
693762b4 | 4551 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
9cad6237 | 4552 | dSP; |
533c011a | 4553 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4554 | register char **elem; |
4555 | register SV *sv; | |
dc45a647 | 4556 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4557 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4558 | struct hostent *gethostbyname(Netdb_name_t); | |
4559 | struct hostent *gethostent(void); | |
a0d0e21e LW |
4560 | #endif |
4561 | struct hostent *hent; | |
4562 | unsigned long len; | |
4563 | ||
4564 | EXTEND(SP, 10); | |
edd309b7 | 4565 | if (which == OP_GHBYNAME) { |
dc45a647 | 4566 | #ifdef HAS_GETHOSTBYNAME |
7508116b | 4567 | const char* const name = POPpbytex; |
edd309b7 | 4568 | hent = PerlSock_gethostbyname(name); |
dc45a647 | 4569 | #else |
cea2e8a9 | 4570 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4571 | #endif |
edd309b7 | 4572 | } |
a0d0e21e | 4573 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4574 | #ifdef HAS_GETHOSTBYADDR |
7508116b AL |
4575 | const int addrtype = POPi; |
4576 | SV * const addrsv = POPs; | |
a0d0e21e | 4577 | STRLEN addrlen; |
5d1954da | 4578 | Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4579 | |
e2052ea3 | 4580 | hent = PerlSock_gethostbyaddr((const char*)addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4581 | #else |
cea2e8a9 | 4582 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4583 | #endif |
a0d0e21e LW |
4584 | } |
4585 | else | |
4586 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4587 | hent = PerlSock_gethostent(); |
a0d0e21e | 4588 | #else |
cea2e8a9 | 4589 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4590 | #endif |
4591 | ||
4592 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4593 | if (!hent) { |
4594 | #ifdef USE_REENTRANT_API | |
4595 | # ifdef USE_GETHOSTENT_ERRNO | |
4596 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4597 | # endif | |
4598 | #endif | |
b14528dd | 4599 | STATUS_UNIX_SET(h_errno); |
10bc17b6 | 4600 | } |
a0d0e21e LW |
4601 | #endif |
4602 | ||
4603 | if (GIMME != G_ARRAY) { | |
4604 | PUSHs(sv = sv_newmortal()); | |
4605 | if (hent) { | |
4606 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4607 | if (hent->h_addr) |
4608 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4609 | } |
4610 | else | |
4611 | sv_setpv(sv, (char*)hent->h_name); | |
4612 | } | |
4613 | RETURN; | |
4614 | } | |
4615 | ||
4616 | if (hent) { | |
937d123c | 4617 | PUSHs(sv_2mortal(newSVpv((char*)hent->h_name, 0))); |
86d06bda | 4618 | PUSHs(space_join_names_mortal(hent->h_aliases)); |
937d123c | 4619 | PUSHs(sv_2mortal(newSViv((IV)hent->h_addrtype))); |
a0d0e21e | 4620 | len = hent->h_length; |
937d123c | 4621 | PUSHs(sv_2mortal(newSViv((IV)len))); |
a0d0e21e LW |
4622 | #ifdef h_addr |
4623 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
937d123c | 4624 | XPUSHs(sv_2mortal(newSVpvn(*elem, len))); |
a0d0e21e LW |
4625 | } |
4626 | #else | |
fd0af264 | 4627 | if (hent->h_addr) |
937d123c NC |
4628 | PUSHs(newSVpvn(hent->h_addr, len)); |
4629 | else | |
4630 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a0d0e21e LW |
4631 | #endif /* h_addr */ |
4632 | } | |
4633 | RETURN; | |
4634 | #else | |
cea2e8a9 | 4635 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4636 | #endif |
4637 | } | |
4638 | ||
a0d0e21e LW |
4639 | PP(pp_gnetent) |
4640 | { | |
693762b4 | 4641 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
9cad6237 | 4642 | dSP; |
533c011a | 4643 | I32 which = PL_op->op_type; |
a0d0e21e | 4644 | register SV *sv; |
dc45a647 | 4645 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4646 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4647 | struct netent *getnetbyname(Netdb_name_t); | |
4648 | struct netent *getnetent(void); | |
8ac85365 | 4649 | #endif |
a0d0e21e LW |
4650 | struct netent *nent; |
4651 | ||
edd309b7 | 4652 | if (which == OP_GNBYNAME){ |
dc45a647 | 4653 | #ifdef HAS_GETNETBYNAME |
7508116b | 4654 | const char * const name = POPpbytex; |
edd309b7 | 4655 | nent = PerlSock_getnetbyname(name); |
dc45a647 | 4656 | #else |
cea2e8a9 | 4657 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4658 | #endif |
edd309b7 | 4659 | } |
a0d0e21e | 4660 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4661 | #ifdef HAS_GETNETBYADDR |
7508116b AL |
4662 | const int addrtype = POPi; |
4663 | const Netdb_net_t addr = (Netdb_net_t) (U32)POPu; | |
76e3520e | 4664 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4665 | #else |
cea2e8a9 | 4666 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4667 | #endif |
a0d0e21e LW |
4668 | } |
4669 | else | |
dc45a647 | 4670 | #ifdef HAS_GETNETENT |
76e3520e | 4671 | nent = PerlSock_getnetent(); |
dc45a647 | 4672 | #else |
cea2e8a9 | 4673 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4674 | #endif |
a0d0e21e | 4675 | |
10bc17b6 JH |
4676 | #ifdef HOST_NOT_FOUND |
4677 | if (!nent) { | |
4678 | #ifdef USE_REENTRANT_API | |
4679 | # ifdef USE_GETNETENT_ERRNO | |
4680 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4681 | # endif | |
4682 | #endif | |
b14528dd | 4683 | STATUS_UNIX_SET(h_errno); |
10bc17b6 JH |
4684 | } |
4685 | #endif | |
4686 | ||
a0d0e21e LW |
4687 | EXTEND(SP, 4); |
4688 | if (GIMME != G_ARRAY) { | |
4689 | PUSHs(sv = sv_newmortal()); | |
4690 | if (nent) { | |
4691 | if (which == OP_GNBYNAME) | |
1e422769 | 4692 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4693 | else |
4694 | sv_setpv(sv, nent->n_name); | |
4695 | } | |
4696 | RETURN; | |
4697 | } | |
4698 | ||
4699 | if (nent) { | |
937d123c | 4700 | PUSHs(sv_2mortal(newSVpv(nent->n_name, 0))); |
86d06bda | 4701 | PUSHs(space_join_names_mortal(nent->n_aliases)); |
937d123c NC |
4702 | PUSHs(sv_2mortal(newSViv((IV)nent->n_addrtype))); |
4703 | PUSHs(sv_2mortal(newSViv((IV)nent->n_net))); | |
a0d0e21e LW |
4704 | } |
4705 | ||
4706 | RETURN; | |
4707 | #else | |
cea2e8a9 | 4708 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
a0d0e21e LW |
4709 | #endif |
4710 | } | |
4711 | ||
a0d0e21e LW |
4712 | PP(pp_gprotoent) |
4713 | { | |
693762b4 | 4714 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
9cad6237 | 4715 | dSP; |
533c011a | 4716 | I32 which = PL_op->op_type; |
301e8125 | 4717 | register SV *sv; |
dc45a647 | 4718 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4719 | struct protoent *getprotobyname(Netdb_name_t); |
4720 | struct protoent *getprotobynumber(int); | |
4721 | struct protoent *getprotoent(void); | |
8ac85365 | 4722 | #endif |
a0d0e21e LW |
4723 | struct protoent *pent; |
4724 | ||
edd309b7 | 4725 | if (which == OP_GPBYNAME) { |
e5c9fcd0 | 4726 | #ifdef HAS_GETPROTOBYNAME |
7508116b | 4727 | const char* const name = POPpbytex; |
edd309b7 | 4728 | pent = PerlSock_getprotobyname(name); |
e5c9fcd0 | 4729 | #else |
cea2e8a9 | 4730 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4731 | #endif |
edd309b7 JH |
4732 | } |
4733 | else if (which == OP_GPBYNUMBER) { | |
e5c9fcd0 | 4734 | #ifdef HAS_GETPROTOBYNUMBER |
7508116b | 4735 | const int number = POPi; |
edd309b7 | 4736 | pent = PerlSock_getprotobynumber(number); |
e5c9fcd0 | 4737 | #else |
edd309b7 | 4738 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4739 | #endif |
edd309b7 | 4740 | } |
a0d0e21e | 4741 | else |
e5c9fcd0 | 4742 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4743 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4744 | #else |
cea2e8a9 | 4745 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4746 | #endif |
a0d0e21e LW |
4747 | |
4748 | EXTEND(SP, 3); | |
4749 | if (GIMME != G_ARRAY) { | |
4750 | PUSHs(sv = sv_newmortal()); | |
4751 | if (pent) { | |
4752 | if (which == OP_GPBYNAME) | |
1e422769 | 4753 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4754 | else |
4755 | sv_setpv(sv, pent->p_name); | |
4756 | } | |
4757 | RETURN; | |
4758 | } | |
4759 | ||
4760 | if (pent) { | |
937d123c | 4761 | PUSHs(sv_2mortal(newSVpv(pent->p_name, 0))); |
86d06bda | 4762 | PUSHs(space_join_names_mortal(pent->p_aliases)); |
937d123c | 4763 | PUSHs(sv_2mortal(newSViv((IV)pent->p_proto))); |
a0d0e21e LW |
4764 | } |
4765 | ||
4766 | RETURN; | |
4767 | #else | |
cea2e8a9 | 4768 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
a0d0e21e LW |
4769 | #endif |
4770 | } | |
4771 | ||
a0d0e21e LW |
4772 | PP(pp_gservent) |
4773 | { | |
693762b4 | 4774 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
9cad6237 | 4775 | dSP; |
533c011a | 4776 | I32 which = PL_op->op_type; |
a0d0e21e | 4777 | register SV *sv; |
dc45a647 | 4778 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4779 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
4780 | struct servent *getservbyport(int, Netdb_name_t); | |
4781 | struct servent *getservent(void); | |
8ac85365 | 4782 | #endif |
a0d0e21e LW |
4783 | struct servent *sent; |
4784 | ||
4785 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4786 | #ifdef HAS_GETSERVBYNAME |
7508116b AL |
4787 | const char * const proto = POPpbytex; |
4788 | const char * const name = POPpbytex; | |
4789 | sent = PerlSock_getservbyname(name, (proto && !*proto) ? NULL : proto); | |
dc45a647 | 4790 | #else |
cea2e8a9 | 4791 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4792 | #endif |
a0d0e21e LW |
4793 | } |
4794 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4795 | #ifdef HAS_GETSERVBYPORT |
7508116b | 4796 | const char * const proto = POPpbytex; |
eb160463 | 4797 | unsigned short port = (unsigned short)POPu; |
36477c24 | 4798 | #ifdef HAS_HTONS |
6ad3d225 | 4799 | port = PerlSock_htons(port); |
36477c24 | 4800 | #endif |
7508116b | 4801 | sent = PerlSock_getservbyport(port, (proto && !*proto) ? Nullch : proto); |
dc45a647 | 4802 | #else |
cea2e8a9 | 4803 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4804 | #endif |
a0d0e21e LW |
4805 | } |
4806 | else | |
e5c9fcd0 | 4807 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4808 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4809 | #else |
cea2e8a9 | 4810 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4811 | #endif |
a0d0e21e LW |
4812 | |
4813 | EXTEND(SP, 4); | |
4814 | if (GIMME != G_ARRAY) { | |
4815 | PUSHs(sv = sv_newmortal()); | |
4816 | if (sent) { | |
4817 | if (which == OP_GSBYNAME) { | |
4818 | #ifdef HAS_NTOHS | |
6ad3d225 | 4819 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4820 | #else |
1e422769 | 4821 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4822 | #endif |
4823 | } | |
4824 | else | |
4825 | sv_setpv(sv, sent->s_name); | |
4826 | } | |
4827 | RETURN; | |
4828 | } | |
4829 | ||
4830 | if (sent) { | |
937d123c | 4831 | PUSHs(sv_2mortal(newSVpv(sent->s_name, 0))); |
86d06bda | 4832 | PUSHs(space_join_names_mortal(sent->s_aliases)); |
a0d0e21e | 4833 | #ifdef HAS_NTOHS |
937d123c | 4834 | PUSHs(sv_2mortal(newSViv((IV)PerlSock_ntohs(sent->s_port)))); |
a0d0e21e | 4835 | #else |
937d123c | 4836 | PUSHs(sv_2mortal(newSViv((IV)(sent->s_port)))); |
a0d0e21e | 4837 | #endif |
937d123c | 4838 | PUSHs(sv_2mortal(newSVpv(sent->s_proto, 0))); |
a0d0e21e LW |
4839 | } |
4840 | ||
4841 | RETURN; | |
4842 | #else | |
cea2e8a9 | 4843 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
a0d0e21e LW |
4844 | #endif |
4845 | } | |
4846 | ||
4847 | PP(pp_shostent) | |
4848 | { | |
693762b4 | 4849 | #ifdef HAS_SETHOSTENT |
9cad6237 | 4850 | dSP; |
76e3520e | 4851 | PerlSock_sethostent(TOPi); |
a0d0e21e LW |
4852 | RETSETYES; |
4853 | #else | |
cea2e8a9 | 4854 | DIE(aTHX_ PL_no_sock_func, "sethostent"); |
a0d0e21e LW |
4855 | #endif |
4856 | } | |
4857 | ||
4858 | PP(pp_snetent) | |
4859 | { | |
693762b4 | 4860 | #ifdef HAS_SETNETENT |
9cad6237 | 4861 | dSP; |
76e3520e | 4862 | PerlSock_setnetent(TOPi); |
a0d0e21e LW |
4863 | RETSETYES; |
4864 | #else | |
cea2e8a9 | 4865 | DIE(aTHX_ PL_no_sock_func, "setnetent"); |
a0d0e21e LW |
4866 | #endif |
4867 | } | |
4868 | ||
4869 | PP(pp_sprotoent) | |
4870 | { | |
693762b4 | 4871 | #ifdef HAS_SETPROTOENT |
9cad6237 | 4872 | dSP; |
76e3520e | 4873 | PerlSock_setprotoent(TOPi); |
a0d0e21e LW |
4874 | RETSETYES; |
4875 | #else | |
cea2e8a9 | 4876 | DIE(aTHX_ PL_no_sock_func, "setprotoent"); |
a0d0e21e LW |
4877 | #endif |
4878 | } | |
4879 | ||
4880 | PP(pp_sservent) | |
4881 | { | |
693762b4 | 4882 | #ifdef HAS_SETSERVENT |
9cad6237 | 4883 | dSP; |
76e3520e | 4884 | PerlSock_setservent(TOPi); |
a0d0e21e LW |
4885 | RETSETYES; |
4886 | #else | |
cea2e8a9 | 4887 | DIE(aTHX_ PL_no_sock_func, "setservent"); |
a0d0e21e LW |
4888 | #endif |
4889 | } | |
4890 | ||
4891 | PP(pp_ehostent) | |
4892 | { | |
693762b4 | 4893 | #ifdef HAS_ENDHOSTENT |
9cad6237 | 4894 | dSP; |
76e3520e | 4895 | PerlSock_endhostent(); |
924508f0 | 4896 | EXTEND(SP,1); |
a0d0e21e LW |
4897 | RETPUSHYES; |
4898 | #else | |
cea2e8a9 | 4899 | DIE(aTHX_ PL_no_sock_func, "endhostent"); |
a0d0e21e LW |
4900 | #endif |
4901 | } | |
4902 | ||
4903 | PP(pp_enetent) | |
4904 | { | |
693762b4 | 4905 | #ifdef HAS_ENDNETENT |
9cad6237 | 4906 | dSP; |
76e3520e | 4907 | PerlSock_endnetent(); |
924508f0 | 4908 | EXTEND(SP,1); |
a0d0e21e LW |
4909 | RETPUSHYES; |
4910 | #else | |
cea2e8a9 | 4911 | DIE(aTHX_ PL_no_sock_func, "endnetent"); |
a0d0e21e LW |
4912 | #endif |
4913 | } | |
4914 | ||
4915 | PP(pp_eprotoent) | |
4916 | { | |
693762b4 | 4917 | #ifdef HAS_ENDPROTOENT |
9cad6237 | 4918 | dSP; |
76e3520e | 4919 | PerlSock_endprotoent(); |
924508f0 | 4920 | EXTEND(SP,1); |
a0d0e21e LW |
4921 | RETPUSHYES; |
4922 | #else | |
cea2e8a9 | 4923 | DIE(aTHX_ PL_no_sock_func, "endprotoent"); |
a0d0e21e LW |
4924 | #endif |
4925 | } | |
4926 | ||
4927 | PP(pp_eservent) | |
4928 | { | |
693762b4 | 4929 | #ifdef HAS_ENDSERVENT |
9cad6237 | 4930 | dSP; |
76e3520e | 4931 | PerlSock_endservent(); |
924508f0 | 4932 | EXTEND(SP,1); |
a0d0e21e LW |
4933 | RETPUSHYES; |
4934 | #else | |
cea2e8a9 | 4935 | DIE(aTHX_ PL_no_sock_func, "endservent"); |
a0d0e21e LW |
4936 | #endif |
4937 | } | |
4938 | ||
a0d0e21e LW |
4939 | PP(pp_gpwent) |
4940 | { | |
0994c4d0 | 4941 | #ifdef HAS_PASSWD |
9cad6237 | 4942 | dSP; |
533c011a | 4943 | I32 which = PL_op->op_type; |
a0d0e21e | 4944 | register SV *sv; |
e3aefe8d | 4945 | struct passwd *pwent = NULL; |
301e8125 | 4946 | /* |
bcf53261 JH |
4947 | * We currently support only the SysV getsp* shadow password interface. |
4948 | * The interface is declared in <shadow.h> and often one needs to link | |
4949 | * with -lsecurity or some such. | |
4950 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
4951 | * (and SCO?) | |
4952 | * | |
4953 | * AIX getpwnam() is clever enough to return the encrypted password | |
4954 | * only if the caller (euid?) is root. | |
4955 | * | |
ee87c6cb | 4956 | * There are at least three other shadow password APIs. Many platforms |
bcf53261 JH |
4957 | * seem to contain more than one interface for accessing the shadow |
4958 | * password databases, possibly for compatibility reasons. | |
3813c136 | 4959 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
4960 | * are much more complicated, but also very similar to each other. |
4961 | * | |
4962 | * <sys/types.h> | |
4963 | * <sys/security.h> | |
4964 | * <prot.h> | |
4965 | * struct pr_passwd *getprpw*(); | |
4966 | * The password is in | |
3813c136 JH |
4967 | * char getprpw*(...).ufld.fd_encrypt[] |
4968 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
4969 | * |
4970 | * <sys/types.h> | |
4971 | * <sys/security.h> | |
4972 | * <prot.h> | |
4973 | * struct es_passwd *getespw*(); | |
4974 | * The password is in | |
4975 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 4976 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 4977 | * |
ee87c6cb JH |
4978 | * <userpw.h> (AIX) |
4979 | * struct userpw *getuserpw(); | |
4980 | * The password is in | |
4981 | * char *(getuserpw(...)).spw_upw_passwd | |
4982 | * (but the de facto standard getpwnam() should work okay) | |
4983 | * | |
3813c136 | 4984 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
4985 | * |
4986 | * In HP-UX for getprpw*() the manual page claims that one should include | |
4987 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
4988 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
4989 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
4990 | * |
4991 | * Note that <sys/security.h> is already probed for, but currently | |
4992 | * it is only included in special cases. | |
301e8125 | 4993 | * |
bcf53261 JH |
4994 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
4995 | * be preferred interface, even though also the getprpw*() interface | |
4996 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
4997 | * One also needs to call set_auth_parameters() in main() before |
4998 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
4999 | * | |
5000 | * Note that accessing the shadow databases can be magnitudes | |
5001 | * slower than accessing the standard databases. | |
bcf53261 JH |
5002 | * |
5003 | * --jhi | |
5004 | */ | |
a0d0e21e | 5005 | |
e67108bc JH |
5006 | # if defined(__CYGWIN__) && defined(USE_REENTRANT_API) |
5007 | /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r(): | |
5008 | * the pw_comment is left uninitialized. */ | |
5009 | PL_reentrant_buffer->_pwent_struct.pw_comment = NULL; | |
5010 | # endif | |
5011 | ||
e3aefe8d JH |
5012 | switch (which) { |
5013 | case OP_GPWNAM: | |
edd309b7 | 5014 | { |
7508116b | 5015 | const char* const name = POPpbytex; |
edd309b7 JH |
5016 | pwent = getpwnam(name); |
5017 | } | |
5018 | break; | |
e3aefe8d | 5019 | case OP_GPWUID: |
edd309b7 JH |
5020 | { |
5021 | Uid_t uid = POPi; | |
5022 | pwent = getpwuid(uid); | |
5023 | } | |
e3aefe8d JH |
5024 | break; |
5025 | case OP_GPWENT: | |
1883634f | 5026 | # ifdef HAS_GETPWENT |
e3aefe8d | 5027 | pwent = getpwent(); |
faea9016 IRC |
5028 | #ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */ |
5029 | if (pwent) pwent = getpwnam(pwent->pw_name); | |
5030 | #endif | |
1883634f | 5031 | # else |
a45d1c96 | 5032 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5033 | # endif |
e3aefe8d JH |
5034 | break; |
5035 | } | |
8c0bfa08 | 5036 | |
a0d0e21e LW |
5037 | EXTEND(SP, 10); |
5038 | if (GIMME != G_ARRAY) { | |
5039 | PUSHs(sv = sv_newmortal()); | |
5040 | if (pwent) { | |
5041 | if (which == OP_GPWNAM) | |
1883634f | 5042 | # if Uid_t_sign <= 0 |
1e422769 | 5043 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5044 | # else |
23dcd6c8 | 5045 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5046 | # endif |
a0d0e21e LW |
5047 | else |
5048 | sv_setpv(sv, pwent->pw_name); | |
5049 | } | |
5050 | RETURN; | |
5051 | } | |
5052 | ||
5053 | if (pwent) { | |
937d123c | 5054 | PUSHs(sv_2mortal(newSVpv(pwent->pw_name, 0))); |
6ee623d5 | 5055 | |
937d123c | 5056 | PUSHs(sv = sv_2mortal(newSViv(0))); |
3813c136 JH |
5057 | /* If we have getspnam(), we try to dig up the shadow |
5058 | * password. If we are underprivileged, the shadow | |
5059 | * interface will set the errno to EACCES or similar, | |
5060 | * and return a null pointer. If this happens, we will | |
5061 | * use the dummy password (usually "*" or "x") from the | |
5062 | * standard password database. | |
5063 | * | |
5064 | * In theory we could skip the shadow call completely | |
5065 | * if euid != 0 but in practice we cannot know which | |
5066 | * security measures are guarding the shadow databases | |
5067 | * on a random platform. | |
5068 | * | |
5069 | * Resist the urge to use additional shadow interfaces. | |
5070 | * Divert the urge to writing an extension instead. | |
5071 | * | |
5072 | * --jhi */ | |
ee87c6cb JH |
5073 | /* Some AIX setups falsely(?) detect some getspnam(), which |
5074 | * has a different API than the Solaris/IRIX one. */ | |
5075 | # if defined(HAS_GETSPNAM) && !defined(_AIX) | |
3813c136 | 5076 | { |
7508116b AL |
5077 | const int saverrno = errno; |
5078 | const struct spwd * const spwent = getspnam(pwent->pw_name); | |
5079 | /* Save and restore errno so that | |
3813c136 JH |
5080 | * underprivileged attempts seem |
5081 | * to have never made the unsccessful | |
5082 | * attempt to retrieve the shadow password. */ | |
3813c136 JH |
5083 | errno = saverrno; |
5084 | if (spwent && spwent->sp_pwdp) | |
5085 | sv_setpv(sv, spwent->sp_pwdp); | |
5086 | } | |
f1066039 | 5087 | # endif |
e020c87d | 5088 | # ifdef PWPASSWD |
3813c136 JH |
5089 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5090 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5091 | # endif |
3813c136 | 5092 | |
1883634f | 5093 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5094 | /* passwd is tainted because user himself can diddle with it. |
5095 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5096 | SvTAINTED_on(sv); |
1883634f | 5097 | # endif |
6ee623d5 | 5098 | |
1883634f | 5099 | # if Uid_t_sign <= 0 |
937d123c | 5100 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_uid))); |
1883634f | 5101 | # else |
937d123c | 5102 | PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_uid))); |
1883634f | 5103 | # endif |
6ee623d5 | 5104 | |
1883634f | 5105 | # if Uid_t_sign <= 0 |
937d123c | 5106 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_gid))); |
1883634f | 5107 | # else |
937d123c | 5108 | PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_gid))); |
1883634f | 5109 | # endif |
3813c136 JH |
5110 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5111 | * because of the poor interface of the Perl getpw*(), | |
5112 | * not because there's some standard/convention saying so. | |
5113 | * A better interface would have been to return a hash, | |
5114 | * but we are accursed by our history, alas. --jhi. */ | |
1883634f | 5115 | # ifdef PWCHANGE |
937d123c | 5116 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_change))); |
6ee623d5 | 5117 | # else |
1883634f | 5118 | # ifdef PWQUOTA |
937d123c | 5119 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_quota))); |
1883634f | 5120 | # else |
a1757be1 | 5121 | # ifdef PWAGE |
937d123c NC |
5122 | PUSHs(sv_2mortal(newSVpv(pwent->pw_age, 0))); |
5123 | # else | |
5124 | /* I think that you can never get this compiled, but just in case. */ | |
5125 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a1757be1 | 5126 | # endif |
6ee623d5 GS |
5127 | # endif |
5128 | # endif | |
6ee623d5 | 5129 | |
3813c136 JH |
5130 | /* pw_class and pw_comment are mutually exclusive--. |
5131 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
1883634f | 5132 | # ifdef PWCLASS |
937d123c | 5133 | PUSHs(sv_2mortal(newSVpv(pwent->pw_class, 0))); |
1883634f JH |
5134 | # else |
5135 | # ifdef PWCOMMENT | |
937d123c NC |
5136 | PUSHs(sv_2mortal(newSVpv(pwent->pw_comment, 0))); |
5137 | # else | |
5138 | /* I think that you can never get this compiled, but just in case. */ | |
5139 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
1883634f | 5140 | # endif |
6ee623d5 | 5141 | # endif |
6ee623d5 | 5142 | |
1883634f | 5143 | # ifdef PWGECOS |
937d123c NC |
5144 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_gecos, 0))); |
5145 | # else | |
5146 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
1883634f JH |
5147 | # endif |
5148 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5149 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5150 | SvTAINTED_on(sv); |
1883634f | 5151 | # endif |
6ee623d5 | 5152 | |
937d123c | 5153 | PUSHs(sv_2mortal(newSVpv(pwent->pw_dir, 0))); |
6ee623d5 | 5154 | |
937d123c | 5155 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_shell, 0))); |
1883634f | 5156 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5157 | /* pw_shell is tainted because user himself can diddle with it. */ |
5158 | SvTAINTED_on(sv); | |
1883634f | 5159 | # endif |
6ee623d5 | 5160 | |
1883634f | 5161 | # ifdef PWEXPIRE |
937d123c | 5162 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_expire))); |
1883634f | 5163 | # endif |
a0d0e21e LW |
5164 | } |
5165 | RETURN; | |
5166 | #else | |
4f922d08 | 5167 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5168 | #endif |
5169 | } | |
5170 | ||
5171 | PP(pp_spwent) | |
5172 | { | |
d493b042 | 5173 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) |
9cad6237 | 5174 | dSP; |
a0d0e21e LW |
5175 | setpwent(); |
5176 | RETPUSHYES; | |
5177 | #else | |
cea2e8a9 | 5178 | DIE(aTHX_ PL_no_func, "setpwent"); |
a0d0e21e LW |
5179 | #endif |
5180 | } | |
5181 | ||
5182 | PP(pp_epwent) | |
5183 | { | |
28e8609d | 5184 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) |
9cad6237 | 5185 | dSP; |
a0d0e21e LW |
5186 | endpwent(); |
5187 | RETPUSHYES; | |
5188 | #else | |
cea2e8a9 | 5189 | DIE(aTHX_ PL_no_func, "endpwent"); |
a0d0e21e LW |
5190 | #endif |
5191 | } | |
5192 | ||
a0d0e21e LW |
5193 | PP(pp_ggrent) |
5194 | { | |
0994c4d0 | 5195 | #ifdef HAS_GROUP |
9cad6237 | 5196 | dSP; |
8916b559 NC |
5197 | const I32 which = PL_op->op_type; |
5198 | const struct group *grent; | |
a0d0e21e | 5199 | |
edd309b7 | 5200 | if (which == OP_GGRNAM) { |
7508116b | 5201 | const char* const name = POPpbytex; |
8916b559 | 5202 | grent = (const struct group *)getgrnam(name); |
edd309b7 JH |
5203 | } |
5204 | else if (which == OP_GGRGID) { | |
7508116b | 5205 | const Gid_t gid = POPi; |
8916b559 | 5206 | grent = (const struct group *)getgrgid(gid); |
edd309b7 | 5207 | } |
a0d0e21e | 5208 | else |
0994c4d0 | 5209 | #ifdef HAS_GETGRENT |
a0d0e21e | 5210 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5211 | #else |
5212 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5213 | #endif | |
a0d0e21e LW |
5214 | |
5215 | EXTEND(SP, 4); | |
5216 | if (GIMME != G_ARRAY) { | |
8916b559 NC |
5217 | SV * const sv = sv_newmortal(); |
5218 | ||
5219 | PUSHs(sv); | |
a0d0e21e LW |
5220 | if (grent) { |
5221 | if (which == OP_GGRNAM) | |
1e422769 | 5222 | sv_setiv(sv, (IV)grent->gr_gid); |
a0d0e21e LW |
5223 | else |
5224 | sv_setpv(sv, grent->gr_name); | |
5225 | } | |
5226 | RETURN; | |
5227 | } | |
5228 | ||
5229 | if (grent) { | |
937d123c | 5230 | PUSHs(sv_2mortal(newSVpv(grent->gr_name, 0))); |
28e8609d | 5231 | |
28e8609d | 5232 | #ifdef GRPASSWD |
937d123c NC |
5233 | PUSHs(sv_2mortal(newSVpv(grent->gr_passwd, 0))); |
5234 | #else | |
5235 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
28e8609d JH |
5236 | #endif |
5237 | ||
937d123c | 5238 | PUSHs(sv_2mortal(newSViv((IV)grent->gr_gid))); |
28e8609d | 5239 | |
5b56e7c5 | 5240 | #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) |
3d7e8424 JH |
5241 | /* In UNICOS/mk (_CRAYMPP) the multithreading |
5242 | * versions (getgrnam_r, getgrgid_r) | |
5243 | * seem to return an illegal pointer | |
5244 | * as the group members list, gr_mem. | |
5245 | * getgrent() doesn't even have a _r version | |
5246 | * but the gr_mem is poisonous anyway. | |
5247 | * So yes, you cannot get the list of group | |
5248 | * members if building multithreaded in UNICOS/mk. */ | |
86d06bda | 5249 | PUSHs(space_join_names_mortal(grent->gr_mem)); |
3d7e8424 | 5250 | #endif |
a0d0e21e LW |
5251 | } |
5252 | ||
5253 | RETURN; | |
5254 | #else | |
4f922d08 | 5255 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5256 | #endif |
5257 | } | |
5258 | ||
5259 | PP(pp_sgrent) | |
5260 | { | |
28e8609d | 5261 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) |
9cad6237 | 5262 | dSP; |
a0d0e21e LW |
5263 | setgrent(); |
5264 | RETPUSHYES; | |
5265 | #else | |
cea2e8a9 | 5266 | DIE(aTHX_ PL_no_func, "setgrent"); |
a0d0e21e LW |
5267 | #endif |
5268 | } | |
5269 | ||
5270 | PP(pp_egrent) | |
5271 | { | |
28e8609d | 5272 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) |
9cad6237 | 5273 | dSP; |
a0d0e21e LW |
5274 | endgrent(); |
5275 | RETPUSHYES; | |
5276 | #else | |
cea2e8a9 | 5277 | DIE(aTHX_ PL_no_func, "endgrent"); |
a0d0e21e LW |
5278 | #endif |
5279 | } | |
5280 | ||
5281 | PP(pp_getlogin) | |
5282 | { | |
a0d0e21e | 5283 | #ifdef HAS_GETLOGIN |
9cad6237 | 5284 | dSP; dTARGET; |
a0d0e21e LW |
5285 | char *tmps; |
5286 | EXTEND(SP, 1); | |
76e3520e | 5287 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e LW |
5288 | RETPUSHUNDEF; |
5289 | PUSHp(tmps, strlen(tmps)); | |
5290 | RETURN; | |
5291 | #else | |
cea2e8a9 | 5292 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5293 | #endif |
5294 | } | |
5295 | ||
5296 | /* Miscellaneous. */ | |
5297 | ||
5298 | PP(pp_syscall) | |
5299 | { | |
d2719217 | 5300 | #ifdef HAS_SYSCALL |
39644a26 | 5301 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5302 | register I32 items = SP - MARK; |
5303 | unsigned long a[20]; | |
5304 | register I32 i = 0; | |
5305 | I32 retval = -1; | |
5306 | ||
3280af22 | 5307 | if (PL_tainting) { |
a0d0e21e | 5308 | while (++MARK <= SP) { |
bbce6d69 | 5309 | if (SvTAINTED(*MARK)) { |
5310 | TAINT; | |
5311 | break; | |
5312 | } | |
a0d0e21e LW |
5313 | } |
5314 | MARK = ORIGMARK; | |
5315 | TAINT_PROPER("syscall"); | |
5316 | } | |
5317 | ||
5318 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5319 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5320 | * not likely have syscall implemented either, so who cares? | |
5321 | */ | |
5322 | while (++MARK <= SP) { | |
5323 | if (SvNIOK(*MARK) || !i) | |
5324 | a[i++] = SvIV(*MARK); | |
3280af22 | 5325 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5326 | a[i++] = 0; |
301e8125 | 5327 | else |
db1c9db1 | 5328 | a[i++] = (unsigned long)SvPV_force_nolen(*MARK); |
a0d0e21e LW |
5329 | if (i > 15) |
5330 | break; | |
5331 | } | |
5332 | switch (items) { | |
5333 | default: | |
cea2e8a9 | 5334 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5335 | case 0: |
cea2e8a9 | 5336 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5337 | case 1: |
5338 | retval = syscall(a[0]); | |
5339 | break; | |
5340 | case 2: | |
5341 | retval = syscall(a[0],a[1]); | |
5342 | break; | |
5343 | case 3: | |
5344 | retval = syscall(a[0],a[1],a[2]); | |
5345 | break; | |
5346 | case 4: | |
5347 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5348 | break; | |
5349 | case 5: | |
5350 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5351 | break; | |
5352 | case 6: | |
5353 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5354 | break; | |
5355 | case 7: | |
5356 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5357 | break; | |
5358 | case 8: | |
5359 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5360 | break; | |
5361 | #ifdef atarist | |
5362 | case 9: | |
5363 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5364 | break; | |
5365 | case 10: | |
5366 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5367 | break; | |
5368 | case 11: | |
5369 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5370 | a[10]); | |
5371 | break; | |
5372 | case 12: | |
5373 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5374 | a[10],a[11]); | |
5375 | break; | |
5376 | case 13: | |
5377 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5378 | a[10],a[11],a[12]); | |
5379 | break; | |
5380 | case 14: | |
5381 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5382 | a[10],a[11],a[12],a[13]); | |
5383 | break; | |
5384 | #endif /* atarist */ | |
5385 | } | |
5386 | SP = ORIGMARK; | |
5387 | PUSHi(retval); | |
5388 | RETURN; | |
5389 | #else | |
cea2e8a9 | 5390 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5391 | #endif |
5392 | } | |
5393 | ||
ff68c719 | 5394 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5395 | |
ff68c719 | 5396 | /* XXX Emulate flock() with fcntl(). |
5397 | What's really needed is a good file locking module. | |
5398 | */ | |
5399 | ||
cea2e8a9 GS |
5400 | static int |
5401 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5402 | { |
5403 | struct flock flock; | |
301e8125 | 5404 | |
ff68c719 | 5405 | switch (operation & ~LOCK_NB) { |
5406 | case LOCK_SH: | |
5407 | flock.l_type = F_RDLCK; | |
5408 | break; | |
5409 | case LOCK_EX: | |
5410 | flock.l_type = F_WRLCK; | |
5411 | break; | |
5412 | case LOCK_UN: | |
5413 | flock.l_type = F_UNLCK; | |
5414 | break; | |
5415 | default: | |
5416 | errno = EINVAL; | |
5417 | return -1; | |
5418 | } | |
5419 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5420 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5421 | |
ff68c719 | 5422 | return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5423 | } | |
5424 | ||
5425 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5426 | ||
5427 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5428 | |
5429 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5430 | portability of scripts. The calls are not completely | |
5431 | interchangeable. What's really needed is a good file | |
5432 | locking module. | |
5433 | */ | |
5434 | ||
76c32331 | 5435 | /* The lockf() constants might have been defined in <unistd.h>. |
5436 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5437 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5438 | |
5439 | Further, the lockf() constants aren't POSIX, so they might not be | |
5440 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5441 | just stick in the SVID values and be done with it. Sigh. | |
5442 | */ | |
5443 | ||
5444 | # ifndef F_ULOCK | |
5445 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5446 | # endif | |
5447 | # ifndef F_LOCK | |
5448 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5449 | # endif | |
5450 | # ifndef F_TLOCK | |
5451 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5452 | # endif | |
5453 | # ifndef F_TEST | |
5454 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5455 | # endif | |
5456 | ||
cea2e8a9 GS |
5457 | static int |
5458 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5459 | { |
5460 | int i; | |
7508116b | 5461 | const int save_errno = errno; |
84902520 TB |
5462 | Off_t pos; |
5463 | ||
5464 | /* flock locks entire file so for lockf we need to do the same */ | |
6ad3d225 | 5465 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5466 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5467 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5468 | pos = -1; /* seek failed, so don't seek back afterwards */ |
84902520 TB |
5469 | errno = save_errno; |
5470 | ||
16d20bd9 AD |
5471 | switch (operation) { |
5472 | ||
5473 | /* LOCK_SH - get a shared lock */ | |
5474 | case LOCK_SH: | |
5475 | /* LOCK_EX - get an exclusive lock */ | |
5476 | case LOCK_EX: | |
5477 | i = lockf (fd, F_LOCK, 0); | |
5478 | break; | |
5479 | ||
5480 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5481 | case LOCK_SH|LOCK_NB: | |
5482 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5483 | case LOCK_EX|LOCK_NB: | |
5484 | i = lockf (fd, F_TLOCK, 0); | |
5485 | if (i == -1) | |
5486 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5487 | errno = EWOULDBLOCK; | |
5488 | break; | |
5489 | ||
ff68c719 | 5490 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5491 | case LOCK_UN: |
ff68c719 | 5492 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5493 | i = lockf (fd, F_ULOCK, 0); |
5494 | break; | |
5495 | ||
5496 | /* Default - can't decipher operation */ | |
5497 | default: | |
5498 | i = -1; | |
5499 | errno = EINVAL; | |
5500 | break; | |
5501 | } | |
84902520 TB |
5502 | |
5503 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5504 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5505 | |
16d20bd9 AD |
5506 | return (i); |
5507 | } | |
ff68c719 | 5508 | |
5509 | #endif /* LOCKF_EMULATE_FLOCK */ | |
583439ab NC |
5510 | |
5511 | /* | |
5512 | * Local variables: | |
5513 | * c-indentation-style: bsd | |
5514 | * c-basic-offset: 4 | |
5515 | * indent-tabs-mode: t | |
5516 | * End: | |
5517 | * | |
d8294a4d NC |
5518 | * ex: set ts=8 sts=4 sw=4 noet: |
5519 | */ |