Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_sys.c |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1995, 1996, 1997, 1998, 1999, |
241d1a3b | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 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 | ||
166f8a29 DM |
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) |
9fa802f3 | 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 | |
72cc7e2a | 121 | # define my_chsize PerlLIO_chsize |
27da23d5 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 |
27da23d5 | 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 | ||
9cffb111 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 | ||
faee0e31 | 200 | #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */ |
5ff3f7a4 | 201 | |
a4323dee MB |
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 | ||
d7558cad | 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 */ |
d7558cad | 215 | # define PERL_EFF_ACCESS(p,f) (access((p), (f) | EFF_ONLY_OK)) |
5ff3f7a4 GS |
216 | #endif |
217 | ||
d7558cad | 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 */ | |
d7558cad | 224 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f), ACC_SELF)) |
c955f117 JH |
225 | # else |
226 | /* SCO */ | |
d7558cad | 227 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f))) |
c955f117 | 228 | # endif |
5ff3f7a4 GS |
229 | #endif |
230 | ||
d7558cad | 231 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESSX) && defined(ACC_SELF) |
c955f117 | 232 | /* AIX */ |
d7558cad | 233 | # define PERL_EFF_ACCESS(p,f) (accessx((p), (f), ACC_SELF)) |
5ff3f7a4 GS |
234 | #endif |
235 | ||
d7558cad 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 | { |
c4420975 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 | } | |
d7558cad | 300 | # define PERL_EFF_ACCESS(p,f) (emulate_eaccess((p), (f))) |
5ff3f7a4 GS |
301 | #endif |
302 | ||
faee0e31 | 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 | { |
5d7488b2 AL |
310 | (void)path; |
311 | (void)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; |
1b6737cc | 322 | const char * const tmps = POPpconstx; |
f54cb97a | 323 | const I32 gimme = GIMME_V; |
e1ec3a88 | 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"; | |
2fbb330f | 331 | fp = PerlProc_popen(tmps, mode); |
a0d0e21e | 332 | if (fp) { |
e1ec3a88 | 333 | const char *type = NULL; |
ac27b0f5 | 334 | if (PL_curcop->cop_io) { |
e62f0680 | 335 | type = SvPV_nolen_const(PL_curcop->cop_io); |
ac27b0f5 | 336 | } |
ac27b0f5 NIS |
337 | if (type && *type) |
338 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
339 | ||
54310121 | 340 | if (gimme == G_VOID) { |
96827780 MB |
341 | char tmpbuf[256]; |
342 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
54310121 | 343 | ; |
344 | } | |
345 | else if (gimme == G_SCALAR) { | |
75af1a9c DM |
346 | ENTER; |
347 | SAVESPTR(PL_rs); | |
fa326138 | 348 | PL_rs = &PL_sv_undef; |
c69006e4 | 349 | sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */ |
a0d0e21e | 350 | while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch) |
a0d0e21e | 351 | ; |
75af1a9c | 352 | LEAVE; |
a0d0e21e | 353 | XPUSHs(TARG); |
aa689395 | 354 | SvTAINTED_on(TARG); |
a0d0e21e LW |
355 | } |
356 | else { | |
a0d0e21e | 357 | for (;;) { |
1b6737cc | 358 | SV * const sv = NEWSV(56, 79); |
a0d0e21e LW |
359 | if (sv_gets(sv, fp, 0) == Nullch) { |
360 | SvREFCNT_dec(sv); | |
361 | break; | |
362 | } | |
363 | XPUSHs(sv_2mortal(sv)); | |
364 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
1da4ca5f | 365 | SvPV_shrink_to_cur(sv); |
a0d0e21e | 366 | } |
aa689395 | 367 | SvTAINTED_on(sv); |
a0d0e21e LW |
368 | } |
369 | } | |
2fbb330f | 370 | STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp)); |
aa689395 | 371 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
372 | } |
373 | else { | |
37038d91 | 374 | STATUS_NATIVE_CHILD_SET(-1); |
54310121 | 375 | if (gimme == G_SCALAR) |
a0d0e21e LW |
376 | RETPUSHUNDEF; |
377 | } | |
378 | ||
379 | RETURN; | |
380 | } | |
381 | ||
382 | PP(pp_glob) | |
383 | { | |
27da23d5 | 384 | dVAR; |
a0d0e21e | 385 | OP *result; |
f5284f61 IZ |
386 | tryAMAGICunTARGET(iter, -1); |
387 | ||
71686f12 GS |
388 | /* Note that we only ever get here if File::Glob fails to load |
389 | * without at the same time croaking, for some reason, or if | |
390 | * perl was built with PERL_EXTERNAL_GLOB */ | |
391 | ||
a0d0e21e | 392 | ENTER; |
a0d0e21e | 393 | |
c90c0ff4 | 394 | #ifndef VMS |
3280af22 | 395 | if (PL_tainting) { |
7bac28a0 | 396 | /* |
397 | * The external globbing program may use things we can't control, | |
398 | * so for security reasons we must assume the worst. | |
399 | */ | |
400 | TAINT; | |
22c35a8c | 401 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 402 | } |
c90c0ff4 | 403 | #endif /* !VMS */ |
7bac28a0 | 404 | |
3280af22 NIS |
405 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
406 | PL_last_in_gv = (GV*)*PL_stack_sp--; | |
a0d0e21e | 407 | |
3280af22 | 408 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
79cb57f6 | 409 | PL_rs = sv_2mortal(newSVpvn("\000", 1)); |
c07a80fd | 410 | #ifndef DOSISH |
411 | #ifndef CSH | |
6b88bc9c | 412 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 413 | #endif /* !CSH */ |
55497cff | 414 | #endif /* !DOSISH */ |
c07a80fd | 415 | |
a0d0e21e LW |
416 | result = do_readline(); |
417 | LEAVE; | |
418 | return result; | |
419 | } | |
420 | ||
a0d0e21e LW |
421 | PP(pp_rcatline) |
422 | { | |
146174a9 | 423 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
424 | return do_readline(); |
425 | } | |
426 | ||
427 | PP(pp_warn) | |
428 | { | |
39644a26 | 429 | dSP; dMARK; |
06bf62c7 | 430 | SV *tmpsv; |
e1ec3a88 | 431 | const char *tmps; |
06bf62c7 | 432 | STRLEN len; |
a0d0e21e LW |
433 | if (SP - MARK != 1) { |
434 | dTARGET; | |
3280af22 | 435 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 436 | tmpsv = TARG; |
a0d0e21e LW |
437 | SP = MARK + 1; |
438 | } | |
439 | else { | |
06bf62c7 | 440 | tmpsv = TOPs; |
a0d0e21e | 441 | } |
e62f0680 | 442 | tmps = SvPV_const(tmpsv, len); |
7b102d90 | 443 | if ((!tmps || !len) && PL_errgv) { |
1b6737cc | 444 | SV * const error = ERRSV; |
862a34c6 | 445 | SvUPGRADE(error, SVt_PV); |
4e6ea2c3 GS |
446 | if (SvPOK(error) && SvCUR(error)) |
447 | sv_catpv(error, "\t...caught"); | |
06bf62c7 | 448 | tmpsv = error; |
e62f0680 | 449 | tmps = SvPV_const(tmpsv, len); |
a0d0e21e | 450 | } |
06bf62c7 GS |
451 | if (!tmps || !len) |
452 | tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26)); | |
453 | ||
cb50131a | 454 | Perl_warn(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
455 | RETSETYES; |
456 | } | |
457 | ||
458 | PP(pp_die) | |
459 | { | |
39644a26 | 460 | dSP; dMARK; |
e1ec3a88 | 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; |
5c144d81 | 472 | tmps = SvPV_const(tmpsv, len); |
06bf62c7 | 473 | multiarg = 1; |
a0d0e21e LW |
474 | SP = MARK + 1; |
475 | } | |
476 | else { | |
4e6ea2c3 | 477 | tmpsv = TOPs; |
5c144d81 | 478 | tmps = SvROK(tmpsv) ? Nullch : SvPV_const(tmpsv, len); |
a0d0e21e | 479 | } |
06bf62c7 | 480 | if (!tmps || !len) { |
4e6ea2c3 | 481 | SV *error = ERRSV; |
862a34c6 | 482 | 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)) { |
05423cc9 GS |
487 | HV *stash = SvSTASH(SvRV(error)); |
488 | GV *gv = gv_fetchmethod(stash, "PROPAGATE"); | |
489 | if (gv) { | |
146174a9 | 490 | SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); |
b448e4fe | 491 | SV *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 | } | |
c3bdd826 | 503 | DIE(aTHX_ Nullch); |
4e6ea2c3 GS |
504 | } |
505 | else { | |
506 | if (SvPOK(error) && SvCUR(error)) | |
507 | sv_catpv(error, "\t...propagated"); | |
06bf62c7 | 508 | tmpsv = error; |
dc8d642c DM |
509 | if (SvOK(tmpsv)) |
510 | tmps = SvPV_const(tmpsv, len); | |
511 | else | |
512 | tmps = Nullch; | |
4e6ea2c3 | 513 | } |
a0d0e21e | 514 | } |
06bf62c7 GS |
515 | if (!tmps || !len) |
516 | tmpsv = sv_2mortal(newSVpvn("Died", 4)); | |
517 | ||
cb50131a | 518 | DIE(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
519 | } |
520 | ||
521 | /* I/O. */ | |
522 | ||
523 | PP(pp_open) | |
524 | { | |
27da23d5 | 525 | dVAR; dSP; |
a567e93b NIS |
526 | dMARK; dORIGMARK; |
527 | dTARGET; | |
a0d0e21e | 528 | SV *sv; |
5b468f54 | 529 | IO *io; |
5c144d81 | 530 | const char *tmps; |
a0d0e21e | 531 | STRLEN len; |
a567e93b | 532 | bool ok; |
a0d0e21e | 533 | |
c4420975 AL |
534 | GV * const gv = (GV *)*++MARK; |
535 | ||
5f05dabc | 536 | if (!isGV(gv)) |
cea2e8a9 | 537 | DIE(aTHX_ PL_no_usym, "filehandle"); |
5b468f54 | 538 | if ((io = GvIOp(gv))) |
36477c24 | 539 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 540 | |
c4420975 AL |
541 | if (io) { |
542 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
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 { | |
35a08ec7 | 561 | sv = GvSVn(gv); |
a567e93b NIS |
562 | } |
563 | ||
5c144d81 | 564 | tmps = SvPV_const(sv, len); |
2fbb330f | 565 | ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, 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 | { | |
27da23d5 | 578 | dVAR; dSP; |
5b468f54 | 579 | IO *io; |
1d603a67 | 580 | MAGIC *mg; |
c4420975 | 581 | GV * const gv = (MAXARG == 0) ? PL_defoutgv : (GV*)POPs; |
1d603a67 | 582 | |
5b468f54 AMS |
583 | if (gv && (io = GvIO(gv)) |
584 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
585 | { | |
1d603a67 | 586 | PUSHMARK(SP); |
5b468f54 | 587 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
1d603a67 GB |
588 | PUTBACK; |
589 | ENTER; | |
864dbfa3 | 590 | call_method("CLOSE", G_SCALAR); |
1d603a67 GB |
591 | LEAVE; |
592 | SPAGAIN; | |
593 | RETURN; | |
594 | } | |
a0d0e21e | 595 | EXTEND(SP, 1); |
54310121 | 596 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
597 | RETURN; |
598 | } | |
599 | ||
600 | PP(pp_pipe_op) | |
601 | { | |
a0d0e21e | 602 | #ifdef HAS_PIPE |
9cad6237 | 603 | dSP; |
a0d0e21e LW |
604 | register IO *rstio; |
605 | register IO *wstio; | |
606 | int fd[2]; | |
607 | ||
c4420975 AL |
608 | GV * const wgv = (GV*)POPs; |
609 | GV * const rgv = (GV*)POPs; | |
a0d0e21e LW |
610 | |
611 | if (!rgv || !wgv) | |
612 | goto badexit; | |
613 | ||
4633a7c4 | 614 | if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) |
cea2e8a9 | 615 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
616 | rstio = GvIOn(rgv); |
617 | wstio = GvIOn(wgv); | |
618 | ||
619 | if (IoIFP(rstio)) | |
620 | do_close(rgv, FALSE); | |
621 | if (IoIFP(wstio)) | |
622 | do_close(wgv, FALSE); | |
623 | ||
6ad3d225 | 624 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
625 | goto badexit; |
626 | ||
460c8493 IZ |
627 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE); |
628 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE); | |
b5ac89c3 | 629 | IoOFP(rstio) = IoIFP(rstio); |
a0d0e21e | 630 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
631 | IoTYPE(rstio) = IoTYPE_RDONLY; |
632 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
633 | |
634 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
760ac839 | 635 | if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio)); |
6ad3d225 | 636 | else PerlLIO_close(fd[0]); |
760ac839 | 637 | if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio)); |
6ad3d225 | 638 | else PerlLIO_close(fd[1]); |
a0d0e21e LW |
639 | goto badexit; |
640 | } | |
4771b018 GS |
641 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
642 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
643 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
644 | #endif | |
a0d0e21e LW |
645 | RETPUSHYES; |
646 | ||
647 | badexit: | |
648 | RETPUSHUNDEF; | |
649 | #else | |
cea2e8a9 | 650 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
651 | #endif |
652 | } | |
653 | ||
654 | PP(pp_fileno) | |
655 | { | |
27da23d5 | 656 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
657 | GV *gv; |
658 | IO *io; | |
760ac839 | 659 | PerlIO *fp; |
4592e6ca NIS |
660 | MAGIC *mg; |
661 | ||
a0d0e21e LW |
662 | if (MAXARG < 1) |
663 | RETPUSHUNDEF; | |
664 | gv = (GV*)POPs; | |
4592e6ca | 665 | |
5b468f54 AMS |
666 | if (gv && (io = GvIO(gv)) |
667 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
668 | { | |
4592e6ca | 669 | PUSHMARK(SP); |
5b468f54 | 670 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
671 | PUTBACK; |
672 | ENTER; | |
864dbfa3 | 673 | call_method("FILENO", G_SCALAR); |
4592e6ca NIS |
674 | LEAVE; |
675 | SPAGAIN; | |
676 | RETURN; | |
677 | } | |
678 | ||
c289d2f7 JH |
679 | if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
680 | /* Can't do this because people seem to do things like | |
681 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
682 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
683 | report_evil_fh(gv, io, PL_op->op_type); | |
684 | */ | |
a0d0e21e | 685 | RETPUSHUNDEF; |
c289d2f7 JH |
686 | } |
687 | ||
760ac839 | 688 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
689 | RETURN; |
690 | } | |
691 | ||
692 | PP(pp_umask) | |
693 | { | |
27da23d5 | 694 | dSP; |
d7e492a4 | 695 | #ifdef HAS_UMASK |
27da23d5 | 696 | dTARGET; |
761237fe | 697 | Mode_t anum; |
a0d0e21e | 698 | |
a0d0e21e | 699 | if (MAXARG < 1) { |
6ad3d225 GS |
700 | anum = PerlLIO_umask(0); |
701 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
702 | } |
703 | else | |
6ad3d225 | 704 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
705 | TAINT_PROPER("umask"); |
706 | XPUSHi(anum); | |
707 | #else | |
a0288114 | 708 | /* Only DIE if trying to restrict permissions on "user" (self). |
eec2d3df GS |
709 | * Otherwise it's harmless and more useful to just return undef |
710 | * since 'group' and 'other' concepts probably don't exist here. */ | |
711 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 712 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 713 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
714 | #endif |
715 | RETURN; | |
716 | } | |
717 | ||
718 | PP(pp_binmode) | |
719 | { | |
27da23d5 | 720 | dVAR; dSP; |
a0d0e21e LW |
721 | GV *gv; |
722 | IO *io; | |
760ac839 | 723 | PerlIO *fp; |
4592e6ca | 724 | MAGIC *mg; |
16fe6d59 | 725 | SV *discp = Nullsv; |
a0d0e21e LW |
726 | |
727 | if (MAXARG < 1) | |
728 | RETPUSHUNDEF; | |
60382766 | 729 | if (MAXARG > 1) { |
16fe6d59 | 730 | discp = POPs; |
60382766 | 731 | } |
a0d0e21e | 732 | |
301e8125 | 733 | gv = (GV*)POPs; |
4592e6ca | 734 | |
5b468f54 AMS |
735 | if (gv && (io = GvIO(gv)) |
736 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
737 | { | |
4592e6ca | 738 | PUSHMARK(SP); |
5b468f54 | 739 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
16fe6d59 GS |
740 | if (discp) |
741 | XPUSHs(discp); | |
4592e6ca NIS |
742 | PUTBACK; |
743 | ENTER; | |
864dbfa3 | 744 | call_method("BINMODE", G_SCALAR); |
4592e6ca NIS |
745 | LEAVE; |
746 | SPAGAIN; | |
747 | RETURN; | |
748 | } | |
a0d0e21e LW |
749 | |
750 | EXTEND(SP, 1); | |
50f846a7 | 751 | if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
c289d2f7 JH |
752 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
753 | report_evil_fh(gv, io, PL_op->op_type); | |
b5fe5ca2 | 754 | SETERRNO(EBADF,RMS_IFI); |
50f846a7 SC |
755 | RETPUSHUNDEF; |
756 | } | |
a0d0e21e | 757 | |
40d98b49 | 758 | PUTBACK; |
60382766 | 759 | if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp), |
e62f0680 | 760 | (discp) ? SvPV_nolen_const(discp) : Nullch)) { |
38af81ff JH |
761 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { |
762 | if (!PerlIO_binmode(aTHX_ IoOFP(io),IoTYPE(io), | |
763 | mode_from_discipline(discp), | |
e62f0680 | 764 | (discp) ? SvPV_nolen_const(discp) : Nullch)) { |
38af81ff JH |
765 | SPAGAIN; |
766 | RETPUSHUNDEF; | |
767 | } | |
768 | } | |
40d98b49 | 769 | SPAGAIN; |
a0d0e21e | 770 | RETPUSHYES; |
40d98b49 JH |
771 | } |
772 | else { | |
773 | SPAGAIN; | |
a0d0e21e | 774 | RETPUSHUNDEF; |
40d98b49 | 775 | } |
a0d0e21e LW |
776 | } |
777 | ||
778 | PP(pp_tie) | |
779 | { | |
27da23d5 | 780 | dVAR; dSP; dMARK; |
a0d0e21e LW |
781 | HV* stash; |
782 | GV *gv; | |
a0d0e21e | 783 | SV *sv; |
1df70142 | 784 | const I32 markoff = MARK - PL_stack_base; |
e1ec3a88 | 785 | const char *methname; |
14befaf4 | 786 | int how = PERL_MAGIC_tied; |
e336de0d | 787 | U32 items; |
c4420975 | 788 | SV *varsv = *++MARK; |
a0d0e21e | 789 | |
6b05c17a NIS |
790 | switch(SvTYPE(varsv)) { |
791 | case SVt_PVHV: | |
792 | methname = "TIEHASH"; | |
bfcb3514 | 793 | HvEITER_set((HV *)varsv, 0); |
6b05c17a NIS |
794 | break; |
795 | case SVt_PVAV: | |
796 | methname = "TIEARRAY"; | |
797 | break; | |
798 | case SVt_PVGV: | |
7fb37951 AMS |
799 | #ifdef GV_UNIQUE_CHECK |
800 | if (GvUNIQUE((GV*)varsv)) { | |
801 | Perl_croak(aTHX_ "Attempt to tie unique GV"); | |
5bd07a3d DM |
802 | } |
803 | #endif | |
6b05c17a | 804 | methname = "TIEHANDLE"; |
14befaf4 | 805 | how = PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
806 | /* For tied filehandles, we apply tiedscalar magic to the IO |
807 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
808 | if (!GvIOp(varsv)) | |
809 | GvIOp(varsv) = newIO(); | |
810 | varsv = (SV *)GvIOp(varsv); | |
6b05c17a NIS |
811 | break; |
812 | default: | |
813 | methname = "TIESCALAR"; | |
14befaf4 | 814 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
815 | break; |
816 | } | |
e336de0d GS |
817 | items = SP - MARK++; |
818 | if (sv_isobject(*MARK)) { | |
6b05c17a | 819 | ENTER; |
e788e7d3 | 820 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 821 | PUSHMARK(SP); |
eb160463 | 822 | EXTEND(SP,(I32)items); |
e336de0d GS |
823 | while (items--) |
824 | PUSHs(*MARK++); | |
825 | PUTBACK; | |
864dbfa3 | 826 | call_method(methname, G_SCALAR); |
301e8125 | 827 | } |
6b05c17a | 828 | else { |
864dbfa3 | 829 | /* Not clear why we don't call call_method here too. |
6b05c17a NIS |
830 | * perhaps to get different error message ? |
831 | */ | |
e336de0d | 832 | stash = gv_stashsv(*MARK, FALSE); |
6b05c17a | 833 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
35c1215d NC |
834 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", |
835 | methname, *MARK); | |
6b05c17a NIS |
836 | } |
837 | ENTER; | |
e788e7d3 | 838 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 839 | PUSHMARK(SP); |
eb160463 | 840 | EXTEND(SP,(I32)items); |
e336de0d GS |
841 | while (items--) |
842 | PUSHs(*MARK++); | |
843 | PUTBACK; | |
864dbfa3 | 844 | call_sv((SV*)GvCV(gv), G_SCALAR); |
6b05c17a | 845 | } |
a0d0e21e LW |
846 | SPAGAIN; |
847 | ||
848 | sv = TOPs; | |
d3acc0f7 | 849 | POPSTACK; |
a0d0e21e | 850 | if (sv_isobject(sv)) { |
33c27489 | 851 | sv_unmagic(varsv, how); |
ae21d580 | 852 | /* Croak if a self-tie on an aggregate is attempted. */ |
b881518d | 853 | if (varsv == SvRV(sv) && |
d87ebaca YST |
854 | (SvTYPE(varsv) == SVt_PVAV || |
855 | SvTYPE(varsv) == SVt_PVHV)) | |
ae21d580 JH |
856 | Perl_croak(aTHX_ |
857 | "Self-ties of arrays and hashes are not supported"); | |
d87ebaca | 858 | sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0); |
a0d0e21e LW |
859 | } |
860 | LEAVE; | |
3280af22 | 861 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
862 | PUSHs(sv); |
863 | RETURN; | |
864 | } | |
865 | ||
866 | PP(pp_untie) | |
867 | { | |
27da23d5 | 868 | dVAR; dSP; |
5b468f54 | 869 | MAGIC *mg; |
33c27489 | 870 | SV *sv = POPs; |
1df70142 | 871 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 872 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
55497cff | 873 | |
5b468f54 AMS |
874 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) |
875 | RETPUSHYES; | |
876 | ||
65eba18f | 877 | if ((mg = SvTIED_mg(sv, how))) { |
1b6737cc | 878 | SV * const obj = SvRV(SvTIED_obj(sv, mg)); |
a29a5827 | 879 | CV *cv = NULL; |
fa2b88e0 | 880 | if (obj) { |
c4420975 AL |
881 | GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE); |
882 | if (gv && isGV(gv) && (cv = GvCV(gv))) { | |
fa2b88e0 JS |
883 | PUSHMARK(SP); |
884 | XPUSHs(SvTIED_obj((SV*)gv, mg)); | |
885 | XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); | |
886 | PUTBACK; | |
887 | ENTER; | |
888 | call_sv((SV *)cv, G_VOID); | |
889 | LEAVE; | |
890 | SPAGAIN; | |
891 | } | |
041457d9 | 892 | else if (mg && SvREFCNT(obj) > 1 && ckWARN(WARN_UNTIE)) { |
9014280d | 893 | Perl_warner(aTHX_ packWARN(WARN_UNTIE), |
fa2b88e0 JS |
894 | "untie attempted while %"UVuf" inner references still exist", |
895 | (UV)SvREFCNT(obj) - 1 ) ; | |
c4420975 | 896 | } |
cbdc8872 | 897 | } |
898 | } | |
38193a09 | 899 | sv_unmagic(sv, how) ; |
55497cff | 900 | RETPUSHYES; |
a0d0e21e LW |
901 | } |
902 | ||
c07a80fd | 903 | PP(pp_tied) |
904 | { | |
39644a26 | 905 | dSP; |
1b6737cc | 906 | const MAGIC *mg; |
33c27489 | 907 | SV *sv = POPs; |
1df70142 | 908 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 909 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
910 | |
911 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) | |
912 | RETPUSHUNDEF; | |
c07a80fd | 913 | |
155aba94 | 914 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
915 | SV *osv = SvTIED_obj(sv, mg); |
916 | if (osv == mg->mg_obj) | |
917 | osv = sv_mortalcopy(osv); | |
918 | PUSHs(osv); | |
919 | RETURN; | |
c07a80fd | 920 | } |
c07a80fd | 921 | RETPUSHUNDEF; |
922 | } | |
923 | ||
a0d0e21e LW |
924 | PP(pp_dbmopen) |
925 | { | |
27da23d5 | 926 | dVAR; dSP; |
a0d0e21e LW |
927 | dPOPPOPssrl; |
928 | HV* stash; | |
929 | GV *gv; | |
a0d0e21e | 930 | |
1b6737cc | 931 | HV * const hv = (HV*)POPs; |
c4420975 | 932 | SV * const sv = sv_mortalcopy(&PL_sv_no); |
a0d0e21e | 933 | |
a0d0e21e LW |
934 | sv_setpv(sv, "AnyDBM_File"); |
935 | stash = gv_stashsv(sv, FALSE); | |
8ebc5c01 | 936 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 937 | PUTBACK; |
864dbfa3 | 938 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 939 | SPAGAIN; |
8ebc5c01 | 940 | if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 941 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
942 | } |
943 | ||
57d3b86d | 944 | ENTER; |
924508f0 | 945 | PUSHMARK(SP); |
6b05c17a | 946 | |
924508f0 | 947 | EXTEND(SP, 5); |
a0d0e21e LW |
948 | PUSHs(sv); |
949 | PUSHs(left); | |
950 | if (SvIV(right)) | |
b448e4fe | 951 | PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); |
a0d0e21e | 952 | else |
b448e4fe | 953 | PUSHs(sv_2mortal(newSVuv(O_RDWR))); |
a0d0e21e | 954 | PUSHs(right); |
57d3b86d | 955 | PUTBACK; |
864dbfa3 | 956 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
957 | SPAGAIN; |
958 | ||
959 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
960 | SP--; |
961 | PUSHMARK(SP); | |
a0d0e21e LW |
962 | PUSHs(sv); |
963 | PUSHs(left); | |
b448e4fe | 964 | PUSHs(sv_2mortal(newSVuv(O_RDONLY))); |
a0d0e21e | 965 | PUSHs(right); |
a0d0e21e | 966 | PUTBACK; |
864dbfa3 | 967 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
968 | SPAGAIN; |
969 | } | |
970 | ||
6b05c17a | 971 | if (sv_isobject(TOPs)) { |
14befaf4 DM |
972 | sv_unmagic((SV *) hv, PERL_MAGIC_tied); |
973 | sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0); | |
6b05c17a | 974 | } |
a0d0e21e LW |
975 | LEAVE; |
976 | RETURN; | |
977 | } | |
978 | ||
a0d0e21e LW |
979 | PP(pp_sselect) |
980 | { | |
a0d0e21e | 981 | #ifdef HAS_SELECT |
9cad6237 | 982 | dSP; dTARGET; |
a0d0e21e LW |
983 | register I32 i; |
984 | register I32 j; | |
985 | register char *s; | |
986 | register SV *sv; | |
65202027 | 987 | NV value; |
a0d0e21e LW |
988 | I32 maxlen = 0; |
989 | I32 nfound; | |
990 | struct timeval timebuf; | |
991 | struct timeval *tbuf = &timebuf; | |
992 | I32 growsize; | |
993 | char *fd_sets[4]; | |
994 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
995 | I32 masksize; | |
996 | I32 offset; | |
997 | I32 k; | |
998 | ||
999 | # if BYTEORDER & 0xf0000 | |
1000 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
1001 | # else | |
1002 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
1003 | # endif | |
1004 | ||
1005 | #endif | |
1006 | ||
1007 | SP -= 4; | |
1008 | for (i = 1; i <= 3; i++) { | |
c4420975 | 1009 | SV * const sv = SP[i]; |
15547071 GA |
1010 | if (!SvOK(sv)) |
1011 | continue; | |
1012 | if (SvREADONLY(sv)) { | |
729c079f NC |
1013 | if (SvIsCOW(sv)) |
1014 | sv_force_normal_flags(sv, 0); | |
15547071 | 1015 | if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0)) |
729c079f NC |
1016 | DIE(aTHX_ PL_no_modify); |
1017 | } | |
4ef2275c GA |
1018 | if (!SvPOK(sv)) { |
1019 | if (ckWARN(WARN_MISC)) | |
1020 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); | |
1021 | SvPV_force_nolen(sv); /* force string conversion */ | |
1022 | } | |
729c079f | 1023 | j = SvCUR(sv); |
a0d0e21e LW |
1024 | if (maxlen < j) |
1025 | maxlen = j; | |
1026 | } | |
1027 | ||
5ff3f7a4 | 1028 | /* little endians can use vecs directly */ |
e366b469 | 1029 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 1030 | # ifdef NFDBITS |
a0d0e21e | 1031 | |
5ff3f7a4 GS |
1032 | # ifndef NBBY |
1033 | # define NBBY 8 | |
1034 | # endif | |
a0d0e21e LW |
1035 | |
1036 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1037 | # else |
a0d0e21e | 1038 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1039 | # endif |
a0d0e21e LW |
1040 | Zero(&fd_sets[0], 4, char*); |
1041 | #endif | |
1042 | ||
ad517f75 MHM |
1043 | # if SELECT_MIN_BITS == 1 |
1044 | growsize = sizeof(fd_set); | |
1045 | # else | |
1046 | # if defined(__GLIBC__) && defined(__FD_SETSIZE) | |
1047 | # undef SELECT_MIN_BITS | |
1048 | # define SELECT_MIN_BITS __FD_SETSIZE | |
1049 | # endif | |
e366b469 PG |
1050 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
1051 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1052 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
1053 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates | |
1054 | * on (sets/tests/clears bits) is 32 bits. */ | |
1055 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
e366b469 PG |
1056 | # endif |
1057 | ||
a0d0e21e LW |
1058 | sv = SP[4]; |
1059 | if (SvOK(sv)) { | |
1060 | value = SvNV(sv); | |
1061 | if (value < 0.0) | |
1062 | value = 0.0; | |
1063 | timebuf.tv_sec = (long)value; | |
65202027 | 1064 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1065 | timebuf.tv_usec = (long)(value * 1000000.0); |
1066 | } | |
1067 | else | |
1068 | tbuf = Null(struct timeval*); | |
1069 | ||
1070 | for (i = 1; i <= 3; i++) { | |
1071 | sv = SP[i]; | |
15547071 | 1072 | if (!SvOK(sv) || SvCUR(sv) == 0) { |
a0d0e21e LW |
1073 | fd_sets[i] = 0; |
1074 | continue; | |
1075 | } | |
4ef2275c | 1076 | assert(SvPOK(sv)); |
a0d0e21e LW |
1077 | j = SvLEN(sv); |
1078 | if (j < growsize) { | |
1079 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1080 | } |
c07a80fd | 1081 | j = SvCUR(sv); |
1082 | s = SvPVX(sv) + j; | |
1083 | while (++j <= growsize) { | |
1084 | *s++ = '\0'; | |
1085 | } | |
1086 | ||
a0d0e21e LW |
1087 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1088 | s = SvPVX(sv); | |
a02a5408 | 1089 | Newx(fd_sets[i], growsize, char); |
a0d0e21e LW |
1090 | for (offset = 0; offset < growsize; offset += masksize) { |
1091 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1092 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1093 | } | |
1094 | #else | |
1095 | fd_sets[i] = SvPVX(sv); | |
1096 | #endif | |
1097 | } | |
1098 | ||
dc4c69d9 JH |
1099 | #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST |
1100 | /* Can't make just the (void*) conditional because that would be | |
1101 | * cpp #if within cpp macro, and not all compilers like that. */ | |
1102 | nfound = PerlSock_select( | |
1103 | maxlen * 8, | |
1104 | (Select_fd_set_t) fd_sets[1], | |
1105 | (Select_fd_set_t) fd_sets[2], | |
1106 | (Select_fd_set_t) fd_sets[3], | |
1107 | (void*) tbuf); /* Workaround for compiler bug. */ | |
1108 | #else | |
6ad3d225 | 1109 | nfound = PerlSock_select( |
a0d0e21e LW |
1110 | maxlen * 8, |
1111 | (Select_fd_set_t) fd_sets[1], | |
1112 | (Select_fd_set_t) fd_sets[2], | |
1113 | (Select_fd_set_t) fd_sets[3], | |
1114 | tbuf); | |
dc4c69d9 | 1115 | #endif |
a0d0e21e LW |
1116 | for (i = 1; i <= 3; i++) { |
1117 | if (fd_sets[i]) { | |
1118 | sv = SP[i]; | |
1119 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1120 | s = SvPVX(sv); | |
1121 | for (offset = 0; offset < growsize; offset += masksize) { | |
1122 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1123 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1124 | } | |
1125 | Safefree(fd_sets[i]); | |
1126 | #endif | |
1127 | SvSETMAGIC(sv); | |
1128 | } | |
1129 | } | |
1130 | ||
4189264e | 1131 | PUSHi(nfound); |
a0d0e21e | 1132 | if (GIMME == G_ARRAY && tbuf) { |
65202027 DS |
1133 | value = (NV)(timebuf.tv_sec) + |
1134 | (NV)(timebuf.tv_usec) / 1000000.0; | |
3280af22 | 1135 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
1136 | sv_setnv(sv, value); |
1137 | } | |
1138 | RETURN; | |
1139 | #else | |
cea2e8a9 | 1140 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1141 | #endif |
1142 | } | |
1143 | ||
4633a7c4 | 1144 | void |
864dbfa3 | 1145 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 LW |
1146 | { |
1147 | if (gv) | |
1148 | (void)SvREFCNT_inc(gv); | |
3280af22 NIS |
1149 | if (PL_defoutgv) |
1150 | SvREFCNT_dec(PL_defoutgv); | |
1151 | PL_defoutgv = gv; | |
4633a7c4 LW |
1152 | } |
1153 | ||
a0d0e21e LW |
1154 | PP(pp_select) |
1155 | { | |
39644a26 | 1156 | dSP; dTARGET; |
1df70142 | 1157 | GV *egv; |
4633a7c4 LW |
1158 | HV *hv; |
1159 | ||
1df70142 | 1160 | GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL; |
4633a7c4 | 1161 | |
3280af22 | 1162 | egv = GvEGV(PL_defoutgv); |
4633a7c4 | 1163 | if (!egv) |
3280af22 | 1164 | egv = PL_defoutgv; |
4633a7c4 LW |
1165 | hv = GvSTASH(egv); |
1166 | if (! hv) | |
3280af22 | 1167 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1168 | else { |
c4420975 | 1169 | GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1170 | if (gvp && *gvp == egv) { |
f7aaccc2 | 1171 | gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE); |
f86702cc | 1172 | XPUSHTARG; |
1173 | } | |
1174 | else { | |
1175 | XPUSHs(sv_2mortal(newRV((SV*)egv))); | |
1176 | } | |
4633a7c4 LW |
1177 | } |
1178 | ||
1179 | if (newdefout) { | |
ded8aa31 GS |
1180 | if (!GvIO(newdefout)) |
1181 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1182 | setdefout(newdefout); |
1183 | } | |
1184 | ||
a0d0e21e LW |
1185 | RETURN; |
1186 | } | |
1187 | ||
1188 | PP(pp_getc) | |
1189 | { | |
27da23d5 | 1190 | dVAR; dSP; dTARGET; |
90133b69 | 1191 | IO *io = NULL; |
2ae324a7 | 1192 | MAGIC *mg; |
1b6737cc | 1193 | GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs; |
2ae324a7 | 1194 | |
5b468f54 AMS |
1195 | if (gv && (io = GvIO(gv)) |
1196 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1197 | { | |
f54cb97a | 1198 | const I32 gimme = GIMME_V; |
2ae324a7 | 1199 | PUSHMARK(SP); |
5b468f54 | 1200 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
2ae324a7 | 1201 | PUTBACK; |
1202 | ENTER; | |
864dbfa3 | 1203 | call_method("GETC", gimme); |
2ae324a7 | 1204 | LEAVE; |
1205 | SPAGAIN; | |
54310121 | 1206 | if (gimme == G_SCALAR) |
1207 | SvSetMagicSV_nosteal(TARG, TOPs); | |
2ae324a7 | 1208 | RETURN; |
1209 | } | |
90133b69 | 1210 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
041457d9 DM |
1211 | if ((!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)) |
1212 | && ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
90133b69 | 1213 | report_evil_fh(gv, io, PL_op->op_type); |
b5fe5ca2 | 1214 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1215 | RETPUSHUNDEF; |
90133b69 | 1216 | } |
bbce6d69 | 1217 | TAINT; |
c69006e4 | 1218 | sv_setpvn(TARG, " ", 1); |
9bc64814 | 1219 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1220 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1221 | /* Find out how many bytes the char needs */ | |
aa07b2f6 | 1222 | Size_t len = UTF8SKIP(SvPVX_const(TARG)); |
7d59b7e4 NIS |
1223 | if (len > 1) { |
1224 | SvGROW(TARG,len+1); | |
1225 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1226 | SvCUR_set(TARG,1+len); | |
1227 | } | |
1228 | SvUTF8_on(TARG); | |
1229 | } | |
a0d0e21e LW |
1230 | PUSHTARG; |
1231 | RETURN; | |
1232 | } | |
1233 | ||
76e3520e | 1234 | STATIC OP * |
cea2e8a9 | 1235 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1236 | { |
27da23d5 | 1237 | dVAR; |
c09156bb | 1238 | register PERL_CONTEXT *cx; |
f54cb97a | 1239 | const I32 gimme = GIMME_V; |
a0d0e21e LW |
1240 | |
1241 | ENTER; | |
1242 | SAVETMPS; | |
1243 | ||
146174a9 | 1244 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
a0d0e21e | 1245 | PUSHFORMAT(cx); |
f39bc417 | 1246 | cx->blk_sub.retop = retop; |
fd617465 DM |
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; | |
1261 | ||
1262 | if (MAXARG == 0) | |
3280af22 | 1263 | gv = PL_defoutgv; |
a0d0e21e LW |
1264 | else { |
1265 | gv = (GV*)POPs; | |
1266 | if (!gv) | |
3280af22 | 1267 | gv = PL_defoutgv; |
a0d0e21e LW |
1268 | } |
1269 | EXTEND(SP, 1); | |
1270 | io = GvIO(gv); | |
1271 | if (!io) { | |
1272 | RETPUSHNO; | |
1273 | } | |
1274 | if (IoFMT_GV(io)) | |
1275 | fgv = IoFMT_GV(io); | |
1276 | else | |
1277 | fgv = gv; | |
1278 | ||
1279 | cv = GvFORM(fgv); | |
a0d0e21e LW |
1280 | if (!cv) { |
1281 | if (fgv) { | |
1df70142 | 1282 | SV * const tmpsv = sv_newmortal(); |
e62f0680 | 1283 | const char *name; |
43693395 | 1284 | gv_efullname4(tmpsv, fgv, Nullch, FALSE); |
e62f0680 | 1285 | name = SvPV_nolen_const(tmpsv); |
1df70142 AL |
1286 | if (name && *name) |
1287 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
a0d0e21e | 1288 | } |
cea2e8a9 | 1289 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1290 | } |
44a8e56a | 1291 | if (CvCLONE(cv)) |
1292 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
a0d0e21e | 1293 | |
44a8e56a | 1294 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1295 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1296 | } |
1297 | ||
1298 | PP(pp_leavewrite) | |
1299 | { | |
27da23d5 | 1300 | dVAR; dSP; |
1b6737cc AL |
1301 | GV * const gv = cxstack[cxstack_ix].blk_sub.gv; |
1302 | register IO * const io = GvIOp(gv); | |
1303 | PerlIO * const ofp = IoOFP(io); | |
760ac839 | 1304 | PerlIO *fp; |
8772537c AL |
1305 | SV **newsp; |
1306 | I32 gimme; | |
c09156bb | 1307 | register PERL_CONTEXT *cx; |
a0d0e21e | 1308 | |
760ac839 | 1309 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1310 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
7ef822cd JH |
1311 | if (!io || !ofp) |
1312 | goto forget_top; | |
3280af22 NIS |
1313 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1314 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1315 | { |
4633a7c4 LW |
1316 | GV *fgv; |
1317 | CV *cv; | |
a0d0e21e LW |
1318 | if (!IoTOP_GV(io)) { |
1319 | GV *topgv; | |
a0d0e21e LW |
1320 | |
1321 | if (!IoTOP_NAME(io)) { | |
1b6737cc | 1322 | SV *topname; |
a0d0e21e LW |
1323 | if (!IoFMT_NAME(io)) |
1324 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
0bd0581c | 1325 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv))); |
7a5fd60d | 1326 | topgv = gv_fetchsv(topname, FALSE, SVt_PVFM); |
748a9306 | 1327 | if ((topgv && GvFORM(topgv)) || |
a0d0e21e | 1328 | !gv_fetchpv("top",FALSE,SVt_PVFM)) |
2e0de35c | 1329 | IoTOP_NAME(io) = savesvpv(topname); |
a0d0e21e | 1330 | else |
ff5bdd37 | 1331 | IoTOP_NAME(io) = savepvn("top", 3); |
a0d0e21e LW |
1332 | } |
1333 | topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM); | |
1334 | if (!topgv || !GvFORM(topgv)) { | |
b929a54b | 1335 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
a0d0e21e LW |
1336 | goto forget_top; |
1337 | } | |
1338 | IoTOP_GV(io) = topgv; | |
1339 | } | |
748a9306 LW |
1340 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1341 | I32 lines = IoLINES_LEFT(io); | |
504618e9 | 1342 | const char *s = SvPVX_const(PL_formtarget); |
8e07c86e AD |
1343 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1344 | goto forget_top; | |
748a9306 LW |
1345 | while (lines-- > 0) { |
1346 | s = strchr(s, '\n'); | |
1347 | if (!s) | |
1348 | break; | |
1349 | s++; | |
1350 | } | |
1351 | if (s) { | |
f54cb97a | 1352 | const STRLEN save = SvCUR(PL_formtarget); |
aa07b2f6 | 1353 | SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget)); |
d75029d0 NIS |
1354 | do_print(PL_formtarget, ofp); |
1355 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1356 | sv_chop(PL_formtarget, s); |
1357 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1358 | } |
1359 | } | |
a0d0e21e | 1360 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1361 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1362 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1363 | IoPAGE(io)++; | |
3280af22 | 1364 | PL_formtarget = PL_toptarget; |
748a9306 | 1365 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1366 | fgv = IoTOP_GV(io); |
1367 | if (!fgv) | |
cea2e8a9 | 1368 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1369 | cv = GvFORM(fgv); |
1df70142 AL |
1370 | if (!cv) { |
1371 | SV * const sv = sv_newmortal(); | |
b464bac0 | 1372 | const char *name; |
1df70142 | 1373 | gv_efullname4(sv, fgv, Nullch, FALSE); |
e62f0680 | 1374 | name = SvPV_nolen_const(sv); |
2dd78f96 | 1375 | if (name && *name) |
1df70142 | 1376 | DIE(aTHX_ "Undefined top format \"%s\" called",name); |
4633a7c4 | 1377 | } |
1df70142 AL |
1378 | /* why no: |
1379 | else | |
1380 | DIE(aTHX_ "Undefined top format called"); | |
1381 | ?*/ | |
44a8e56a | 1382 | if (CvCLONE(cv)) |
1383 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
533c011a | 1384 | return doform(cv,gv,PL_op); |
a0d0e21e LW |
1385 | } |
1386 | ||
1387 | forget_top: | |
3280af22 | 1388 | POPBLOCK(cx,PL_curpm); |
a0d0e21e LW |
1389 | POPFORMAT(cx); |
1390 | LEAVE; | |
1391 | ||
1392 | fp = IoOFP(io); | |
1393 | if (!fp) { | |
599cee73 | 1394 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
6e6ef6b2 NC |
1395 | if (IoIFP(io)) |
1396 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1397 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1398 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1399 | } |
3280af22 | 1400 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1401 | } |
1402 | else { | |
3280af22 | 1403 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
599cee73 | 1404 | if (ckWARN(WARN_IO)) |
9014280d | 1405 | Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1406 | } |
d75029d0 | 1407 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1408 | PUSHs(&PL_sv_no); |
a0d0e21e | 1409 | else { |
3280af22 NIS |
1410 | FmLINES(PL_formtarget) = 0; |
1411 | SvCUR_set(PL_formtarget, 0); | |
1412 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1413 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1414 | (void)PerlIO_flush(fp); |
3280af22 | 1415 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1416 | } |
1417 | } | |
9cbac4c7 | 1418 | /* bad_ofp: */ |
3280af22 | 1419 | PL_formtarget = PL_bodytarget; |
a0d0e21e | 1420 | PUTBACK; |
29033a8a SH |
1421 | PERL_UNUSED_VAR(newsp); |
1422 | PERL_UNUSED_VAR(gimme); | |
f39bc417 | 1423 | return cx->blk_sub.retop; |
a0d0e21e LW |
1424 | } |
1425 | ||
1426 | PP(pp_prtf) | |
1427 | { | |
27da23d5 | 1428 | dVAR; dSP; dMARK; dORIGMARK; |
a0d0e21e | 1429 | IO *io; |
760ac839 | 1430 | PerlIO *fp; |
26db47c4 | 1431 | SV *sv; |
46fc3d4c | 1432 | MAGIC *mg; |
a0d0e21e | 1433 | |
c4420975 | 1434 | GV * const gv = (PL_op->op_flags & OPf_STACKED) ? (GV*)*++MARK : PL_defoutgv; |
46fc3d4c | 1435 | |
5b468f54 AMS |
1436 | if (gv && (io = GvIO(gv)) |
1437 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1438 | { | |
46fc3d4c | 1439 | if (MARK == ORIGMARK) { |
4352c267 | 1440 | MEXTEND(SP, 1); |
46fc3d4c | 1441 | ++MARK; |
1442 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1443 | ++SP; | |
1444 | } | |
1445 | PUSHMARK(MARK - 1); | |
5b468f54 | 1446 | *MARK = SvTIED_obj((SV*)io, mg); |
46fc3d4c | 1447 | PUTBACK; |
1448 | ENTER; | |
864dbfa3 | 1449 | call_method("PRINTF", G_SCALAR); |
46fc3d4c | 1450 | LEAVE; |
1451 | SPAGAIN; | |
1452 | MARK = ORIGMARK + 1; | |
1453 | *MARK = *SP; | |
1454 | SP = MARK; | |
1455 | RETURN; | |
1456 | } | |
1457 | ||
26db47c4 | 1458 | sv = NEWSV(0,0); |
a0d0e21e | 1459 | if (!(io = GvIO(gv))) { |
2dd78f96 JH |
1460 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1461 | report_evil_fh(gv, io, PL_op->op_type); | |
93189314 | 1462 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
1463 | goto just_say_no; |
1464 | } | |
1465 | else if (!(fp = IoOFP(io))) { | |
599cee73 | 1466 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
6e6ef6b2 NC |
1467 | if (IoIFP(io)) |
1468 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1469 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1470 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1471 | } |
93189314 | 1472 | SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI); |
a0d0e21e LW |
1473 | goto just_say_no; |
1474 | } | |
1475 | else { | |
1476 | do_sprintf(sv, SP - MARK, MARK + 1); | |
1477 | if (!do_print(sv, fp)) | |
1478 | goto just_say_no; | |
1479 | ||
1480 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1481 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1482 | goto just_say_no; |
1483 | } | |
1484 | SvREFCNT_dec(sv); | |
1485 | SP = ORIGMARK; | |
3280af22 | 1486 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1487 | RETURN; |
1488 | ||
1489 | just_say_no: | |
1490 | SvREFCNT_dec(sv); | |
1491 | SP = ORIGMARK; | |
3280af22 | 1492 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1493 | RETURN; |
1494 | } | |
1495 | ||
c07a80fd | 1496 | PP(pp_sysopen) |
1497 | { | |
39644a26 | 1498 | dSP; |
1df70142 AL |
1499 | const int perm = (MAXARG > 3) ? POPi : 0666; |
1500 | const int mode = POPi; | |
1b6737cc AL |
1501 | SV * const sv = POPs; |
1502 | GV * const gv = (GV *)POPs; | |
1503 | STRLEN len; | |
c07a80fd | 1504 | |
4592e6ca | 1505 | /* Need TIEHANDLE method ? */ |
1b6737cc | 1506 | const char * const tmps = SvPV_const(sv, len); |
e62f0680 | 1507 | /* FIXME? do_open should do const */ |
2fbb330f | 1508 | if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) { |
c07a80fd | 1509 | IoLINES(GvIOp(gv)) = 0; |
3280af22 | 1510 | PUSHs(&PL_sv_yes); |
c07a80fd | 1511 | } |
1512 | else { | |
3280af22 | 1513 | PUSHs(&PL_sv_undef); |
c07a80fd | 1514 | } |
1515 | RETURN; | |
1516 | } | |
1517 | ||
a0d0e21e LW |
1518 | PP(pp_sysread) |
1519 | { | |
27da23d5 | 1520 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1521 | int offset; |
a0d0e21e LW |
1522 | IO *io; |
1523 | char *buffer; | |
5b54f415 | 1524 | SSize_t length; |
eb5c063a | 1525 | SSize_t count; |
1e422769 | 1526 | Sock_size_t bufsize; |
748a9306 | 1527 | SV *bufsv; |
a0d0e21e | 1528 | STRLEN blen; |
eb5c063a | 1529 | int fp_utf8; |
1dd30107 NC |
1530 | int buffer_utf8; |
1531 | SV *read_target; | |
eb5c063a NIS |
1532 | Size_t got = 0; |
1533 | Size_t wanted; | |
1d636c13 | 1534 | bool charstart = FALSE; |
87330c3c JH |
1535 | STRLEN charskip = 0; |
1536 | STRLEN skip = 0; | |
a0d0e21e | 1537 | |
1b6737cc | 1538 | GV * const gv = (GV*)*++MARK; |
5b468f54 | 1539 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1b6737cc | 1540 | && gv && (io = GvIO(gv)) ) |
137443ea | 1541 | { |
1b6737cc AL |
1542 | const MAGIC * mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); |
1543 | if (mg) { | |
1544 | SV *sv; | |
1545 | PUSHMARK(MARK-1); | |
1546 | *MARK = SvTIED_obj((SV*)io, mg); | |
1547 | ENTER; | |
1548 | call_method("READ", G_SCALAR); | |
1549 | LEAVE; | |
1550 | SPAGAIN; | |
1551 | sv = POPs; | |
1552 | SP = ORIGMARK; | |
1553 | PUSHs(sv); | |
1554 | RETURN; | |
1555 | } | |
2ae324a7 | 1556 | } |
1557 | ||
a0d0e21e LW |
1558 | if (!gv) |
1559 | goto say_undef; | |
748a9306 | 1560 | bufsv = *++MARK; |
ff68c719 | 1561 | if (! SvOK(bufsv)) |
1562 | sv_setpvn(bufsv, "", 0); | |
a0d0e21e | 1563 | length = SvIVx(*++MARK); |
748a9306 | 1564 | SETERRNO(0,0); |
a0d0e21e LW |
1565 | if (MARK < SP) |
1566 | offset = SvIVx(*++MARK); | |
1567 | else | |
1568 | offset = 0; | |
1569 | io = GvIO(gv); | |
b5fe5ca2 SR |
1570 | if (!io || !IoIFP(io)) { |
1571 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
1572 | report_evil_fh(gv, io, PL_op->op_type); | |
1573 | SETERRNO(EBADF,RMS_IFI); | |
a0d0e21e | 1574 | goto say_undef; |
b5fe5ca2 | 1575 | } |
0064a8a9 | 1576 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1577 | buffer = SvPVutf8_force(bufsv, blen); |
1e54db1a | 1578 | /* UTF-8 may not have been set if they are all low bytes */ |
eb5c063a | 1579 | SvUTF8_on(bufsv); |
9b9d7ce8 | 1580 | buffer_utf8 = 0; |
7d59b7e4 NIS |
1581 | } |
1582 | else { | |
1583 | buffer = SvPV_force(bufsv, blen); | |
1dd30107 | 1584 | buffer_utf8 = !IN_BYTES && SvUTF8(bufsv); |
7d59b7e4 NIS |
1585 | } |
1586 | if (length < 0) | |
1587 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1588 | wanted = length; |
7d59b7e4 | 1589 | |
d0965105 JH |
1590 | charstart = TRUE; |
1591 | charskip = 0; | |
87330c3c | 1592 | skip = 0; |
d0965105 | 1593 | |
a0d0e21e | 1594 | #ifdef HAS_SOCKET |
533c011a | 1595 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1596 | char namebuf[MAXPATHLEN]; |
17a8c7ba | 1597 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) |
490ab354 JH |
1598 | bufsize = sizeof (struct sockaddr_in); |
1599 | #else | |
46fc3d4c | 1600 | bufsize = sizeof namebuf; |
490ab354 | 1601 | #endif |
abf95952 IZ |
1602 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1603 | if (bufsize >= 256) | |
1604 | bufsize = 255; | |
1605 | #endif | |
eb160463 | 1606 | buffer = SvGROW(bufsv, (STRLEN)(length+1)); |
bbce6d69 | 1607 | /* 'offset' means 'flags' here */ |
eb5c063a | 1608 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
46fc3d4c | 1609 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1610 | if (count < 0) |
a0d0e21e | 1611 | RETPUSHUNDEF; |
4107cc59 OF |
1612 | #ifdef EPOC |
1613 | /* Bogus return without padding */ | |
1614 | bufsize = sizeof (struct sockaddr_in); | |
1615 | #endif | |
eb5c063a | 1616 | SvCUR_set(bufsv, count); |
748a9306 LW |
1617 | *SvEND(bufsv) = '\0'; |
1618 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1619 | if (fp_utf8) |
1620 | SvUTF8_on(bufsv); | |
748a9306 | 1621 | SvSETMAGIC(bufsv); |
aac0dd9a | 1622 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1623 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1624 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1625 | SP = ORIGMARK; |
46fc3d4c | 1626 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1627 | PUSHs(TARG); |
1628 | RETURN; | |
1629 | } | |
1630 | #else | |
911d147d | 1631 | if (PL_op->op_type == OP_RECV) |
cea2e8a9 | 1632 | DIE(aTHX_ PL_no_sock_func, "recv"); |
a0d0e21e | 1633 | #endif |
eb5c063a NIS |
1634 | if (DO_UTF8(bufsv)) { |
1635 | /* offset adjust in characters not bytes */ | |
1636 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1637 | } |
bbce6d69 | 1638 | if (offset < 0) { |
eb160463 | 1639 | if (-offset > (int)blen) |
cea2e8a9 | 1640 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1641 | offset += blen; |
1642 | } | |
eb5c063a NIS |
1643 | if (DO_UTF8(bufsv)) { |
1644 | /* convert offset-as-chars to offset-as-bytes */ | |
6960c29a CH |
1645 | if (offset >= (int)blen) |
1646 | offset += SvCUR(bufsv) - blen; | |
1647 | else | |
1648 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
eb5c063a NIS |
1649 | } |
1650 | more_bytes: | |
cd52b7b2 | 1651 | bufsize = SvCUR(bufsv); |
1dd30107 NC |
1652 | /* Allocating length + offset + 1 isn't perfect in the case of reading |
1653 | bytes from a byte file handle into a UTF8 buffer, but it won't harm us | |
1654 | unduly. | |
1655 | (should be 2 * length + offset + 1, or possibly something longer if | |
1656 | PL_encoding is true) */ | |
eb160463 | 1657 | buffer = SvGROW(bufsv, (STRLEN)(length+offset+1)); |
27da23d5 | 1658 | if (offset > 0 && (Sock_size_t)offset > bufsize) { /* Zero any newly allocated space */ |
cd52b7b2 | 1659 | Zero(buffer+bufsize, offset-bufsize, char); |
1660 | } | |
eb5c063a | 1661 | buffer = buffer + offset; |
1dd30107 NC |
1662 | if (!buffer_utf8) { |
1663 | read_target = bufsv; | |
1664 | } else { | |
1665 | /* Best to read the bytes into a new SV, upgrade that to UTF8, then | |
1666 | concatenate it to the current buffer. */ | |
1667 | ||
1668 | /* Truncate the existing buffer to the start of where we will be | |
1669 | reading to: */ | |
1670 | SvCUR_set(bufsv, offset); | |
1671 | ||
1672 | read_target = sv_newmortal(); | |
862a34c6 | 1673 | SvUPGRADE(read_target, SVt_PV); |
fe2774ed | 1674 | buffer = SvGROW(read_target, (STRLEN)(length + 1)); |
1dd30107 | 1675 | } |
eb5c063a | 1676 | |
533c011a | 1677 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1678 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1679 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1680 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1681 | buffer, length, 0); | |
a7092146 GS |
1682 | } |
1683 | else | |
1684 | #endif | |
1685 | { | |
eb5c063a NIS |
1686 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1687 | buffer, length); | |
a7092146 | 1688 | } |
a0d0e21e LW |
1689 | } |
1690 | else | |
1691 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1692 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1693 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1694 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1695 | bufsize = sizeof (struct sockaddr_in); | |
1696 | #else | |
46fc3d4c | 1697 | bufsize = sizeof namebuf; |
490ab354 | 1698 | #endif |
eb5c063a | 1699 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1700 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1701 | } |
1702 | else | |
1703 | #endif | |
3b02c43c | 1704 | { |
eb5c063a NIS |
1705 | count = PerlIO_read(IoIFP(io), buffer, length); |
1706 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1707 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1708 | count = -1; | |
3b02c43c | 1709 | } |
eb5c063a | 1710 | if (count < 0) { |
a00b5bd3 | 1711 | if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO)) |
6e6ef6b2 | 1712 | report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY); |
a0d0e21e | 1713 | goto say_undef; |
af8c498a | 1714 | } |
aa07b2f6 | 1715 | SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target))); |
1dd30107 NC |
1716 | *SvEND(read_target) = '\0'; |
1717 | (void)SvPOK_only(read_target); | |
0064a8a9 | 1718 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a | 1719 | /* Look at utf8 we got back and count the characters */ |
1df70142 | 1720 | const char *bend = buffer + count; |
eb5c063a | 1721 | while (buffer < bend) { |
d0965105 JH |
1722 | if (charstart) { |
1723 | skip = UTF8SKIP(buffer); | |
1724 | charskip = 0; | |
1725 | } | |
1726 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1727 | /* partial character - try for rest of it */ |
1728 | length = skip - (bend-buffer); | |
aa07b2f6 | 1729 | offset = bend - SvPVX_const(bufsv); |
d0965105 JH |
1730 | charstart = FALSE; |
1731 | charskip += count; | |
eb5c063a NIS |
1732 | goto more_bytes; |
1733 | } | |
1734 | else { | |
1735 | got++; | |
1736 | buffer += skip; | |
d0965105 JH |
1737 | charstart = TRUE; |
1738 | charskip = 0; | |
eb5c063a NIS |
1739 | } |
1740 | } | |
1741 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1742 | provided amount read (count) was what was requested (length) | |
1743 | */ | |
1744 | if (got < wanted && count == length) { | |
d0965105 | 1745 | length = wanted - got; |
aa07b2f6 | 1746 | offset = bend - SvPVX_const(bufsv); |
eb5c063a NIS |
1747 | goto more_bytes; |
1748 | } | |
1749 | /* return value is character count */ | |
1750 | count = got; | |
1751 | SvUTF8_on(bufsv); | |
1752 | } | |
1dd30107 NC |
1753 | else if (buffer_utf8) { |
1754 | /* Let svcatsv upgrade the bytes we read in to utf8. | |
1755 | The buffer is a mortal so will be freed soon. */ | |
1756 | sv_catsv_nomg(bufsv, read_target); | |
1757 | } | |
748a9306 | 1758 | SvSETMAGIC(bufsv); |
aac0dd9a | 1759 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1760 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1761 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1762 | SP = ORIGMARK; |
eb5c063a | 1763 | PUSHi(count); |
a0d0e21e LW |
1764 | RETURN; |
1765 | ||
1766 | say_undef: | |
1767 | SP = ORIGMARK; | |
1768 | RETPUSHUNDEF; | |
1769 | } | |
1770 | ||
a0d0e21e LW |
1771 | PP(pp_send) |
1772 | { | |
27da23d5 | 1773 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
1774 | GV *gv; |
1775 | IO *io; | |
748a9306 | 1776 | SV *bufsv; |
83003860 | 1777 | const char *buffer; |
64a1bc8e | 1778 | Size_t length = 0; |
8c99d73e | 1779 | SSize_t retval; |
a0d0e21e | 1780 | STRLEN blen; |
1d603a67 | 1781 | MAGIC *mg; |
64a1bc8e NC |
1782 | const int op_type = PL_op->op_type; |
1783 | ||
a0d0e21e | 1784 | gv = (GV*)*++MARK; |
14befaf4 | 1785 | if (PL_op->op_type == OP_SYSWRITE |
5b468f54 AMS |
1786 | && gv && (io = GvIO(gv)) |
1787 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
14befaf4 | 1788 | { |
1d603a67 | 1789 | SV *sv; |
64a1bc8e NC |
1790 | |
1791 | if (MARK == SP - 1) { | |
1792 | EXTEND(SP, 1000); | |
1793 | sv = sv_2mortal(newSViv(sv_len(*SP))); | |
1794 | PUSHs(sv); | |
1795 | PUTBACK; | |
1796 | } | |
1d603a67 | 1797 | |
64a1bc8e NC |
1798 | PUSHMARK(ORIGMARK); |
1799 | *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg); | |
1d603a67 | 1800 | ENTER; |
864dbfa3 | 1801 | call_method("WRITE", G_SCALAR); |
1d603a67 GB |
1802 | LEAVE; |
1803 | SPAGAIN; | |
1804 | sv = POPs; | |
1805 | SP = ORIGMARK; | |
1806 | PUSHs(sv); | |
1807 | RETURN; | |
1808 | } | |
a0d0e21e LW |
1809 | if (!gv) |
1810 | goto say_undef; | |
64a1bc8e | 1811 | |
748a9306 | 1812 | bufsv = *++MARK; |
64a1bc8e NC |
1813 | |
1814 | if (op_type == OP_SYSWRITE) { | |
1815 | if (MARK >= SP) { | |
1816 | length = (Size_t) sv_len(bufsv); | |
1817 | } else { | |
8c99d73e | 1818 | #if Size_t_size > IVSIZE |
64a1bc8e | 1819 | length = (Size_t)SvNVx(*++MARK); |
146174a9 | 1820 | #else |
64a1bc8e | 1821 | length = (Size_t)SvIVx(*++MARK); |
146174a9 | 1822 | #endif |
64a1bc8e NC |
1823 | if ((SSize_t)length < 0) |
1824 | DIE(aTHX_ "Negative length"); | |
1825 | } | |
1826 | } | |
748a9306 | 1827 | SETERRNO(0,0); |
a0d0e21e LW |
1828 | io = GvIO(gv); |
1829 | if (!io || !IoIFP(io)) { | |
8c99d73e | 1830 | retval = -1; |
bc37a18f RG |
1831 | if (ckWARN(WARN_CLOSED)) |
1832 | report_evil_fh(gv, io, PL_op->op_type); | |
b5fe5ca2 | 1833 | SETERRNO(EBADF,RMS_IFI); |
7d59b7e4 NIS |
1834 | goto say_undef; |
1835 | } | |
1836 | ||
1837 | if (PerlIO_isutf8(IoIFP(io))) { | |
6aa2f6a7 NC |
1838 | if (!SvUTF8(bufsv)) { |
1839 | bufsv = sv_2mortal(newSVsv(bufsv)); | |
1840 | buffer = sv_2pvutf8(bufsv, &blen); | |
1841 | } else | |
83003860 | 1842 | buffer = SvPV_const(bufsv, blen); |
a0d0e21e | 1843 | } |
7d59b7e4 | 1844 | else { |
4de5f5ca JH |
1845 | if (DO_UTF8(bufsv)) { |
1846 | /* Not modifying source SV, so making a temporary copy. */ | |
1847 | bufsv = sv_2mortal(newSVsv(bufsv)); | |
1848 | sv_utf8_downgrade(bufsv, FALSE); | |
1849 | } | |
83003860 | 1850 | buffer = SvPV_const(bufsv, blen); |
7d59b7e4 NIS |
1851 | } |
1852 | ||
64a1bc8e | 1853 | if (op_type == OP_SYSWRITE) { |
7d59b7e4 NIS |
1854 | IV offset; |
1855 | if (DO_UTF8(bufsv)) { | |
1856 | /* length and offset are in chars */ | |
1857 | blen = sv_len_utf8(bufsv); | |
1858 | } | |
bbce6d69 | 1859 | if (MARK < SP) { |
a0d0e21e | 1860 | offset = SvIVx(*++MARK); |
bbce6d69 | 1861 | if (offset < 0) { |
eb160463 | 1862 | if (-offset > (IV)blen) |
cea2e8a9 | 1863 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1864 | offset += blen; |
eb160463 | 1865 | } else if (offset >= (IV)blen && blen > 0) |
cea2e8a9 | 1866 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1867 | } else |
a0d0e21e LW |
1868 | offset = 0; |
1869 | if (length > blen - offset) | |
1870 | length = blen - offset; | |
7d59b7e4 | 1871 | if (DO_UTF8(bufsv)) { |
83003860 | 1872 | buffer = (const char*)utf8_hop((const U8 *)buffer, offset); |
7d59b7e4 NIS |
1873 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; |
1874 | } | |
1875 | else { | |
1876 | buffer = buffer+offset; | |
1877 | } | |
a7092146 | 1878 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1879 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1880 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1881 | buffer, length, 0); |
a7092146 GS |
1882 | } |
1883 | else | |
1884 | #endif | |
1885 | { | |
94e4c244 | 1886 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1887 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1888 | buffer, length); |
a7092146 | 1889 | } |
a0d0e21e LW |
1890 | } |
1891 | #ifdef HAS_SOCKET | |
64a1bc8e NC |
1892 | else { |
1893 | const int flags = SvIVx(*++MARK); | |
1894 | if (SP > MARK) { | |
1895 | STRLEN mlen; | |
1896 | char * const sockbuf = SvPVx(*++MARK, mlen); | |
1897 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, | |
1898 | flags, (struct sockaddr *)sockbuf, mlen); | |
1899 | } | |
1900 | else { | |
1901 | retval | |
1902 | = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags); | |
1903 | } | |
a0d0e21e | 1904 | } |
a0d0e21e LW |
1905 | #else |
1906 | else | |
cea2e8a9 | 1907 | DIE(aTHX_ PL_no_sock_func, "send"); |
a0d0e21e | 1908 | #endif |
8c99d73e | 1909 | if (retval < 0) |
a0d0e21e LW |
1910 | goto say_undef; |
1911 | SP = ORIGMARK; | |
f36eea10 JH |
1912 | if (DO_UTF8(bufsv)) |
1913 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); | |
8c99d73e GS |
1914 | #if Size_t_size > IVSIZE |
1915 | PUSHn(retval); | |
1916 | #else | |
1917 | PUSHi(retval); | |
1918 | #endif | |
a0d0e21e LW |
1919 | RETURN; |
1920 | ||
1921 | say_undef: | |
1922 | SP = ORIGMARK; | |
1923 | RETPUSHUNDEF; | |
1924 | } | |
1925 | ||
a0d0e21e LW |
1926 | PP(pp_eof) |
1927 | { | |
27da23d5 | 1928 | dVAR; dSP; |
a0d0e21e | 1929 | GV *gv; |
5b468f54 | 1930 | IO *io; |
4592e6ca | 1931 | MAGIC *mg; |
a0d0e21e | 1932 | |
32da55ab | 1933 | if (MAXARG == 0) { |
146174a9 CB |
1934 | if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ |
1935 | IO *io; | |
ed2c6b9b | 1936 | gv = PL_last_in_gv = GvEGV(PL_argvgv); |
146174a9 CB |
1937 | io = GvIO(gv); |
1938 | if (io && !IoIFP(io)) { | |
1939 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
1940 | IoLINES(io) = 0; | |
1941 | IoFLAGS(io) &= ~IOf_START; | |
2fbb330f | 1942 | do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp); |
146174a9 CB |
1943 | sv_setpvn(GvSV(gv), "-", 1); |
1944 | SvSETMAGIC(GvSV(gv)); | |
1945 | } | |
1946 | else if (!nextargv(gv)) | |
1947 | RETPUSHYES; | |
1948 | } | |
1949 | } | |
1950 | else | |
1951 | gv = PL_last_in_gv; /* eof */ | |
1952 | } | |
a0d0e21e | 1953 | else |
146174a9 | 1954 | gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ |
4592e6ca | 1955 | |
5b468f54 AMS |
1956 | if (gv && (io = GvIO(gv)) |
1957 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1958 | { | |
4592e6ca | 1959 | PUSHMARK(SP); |
5b468f54 | 1960 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1961 | PUTBACK; |
1962 | ENTER; | |
864dbfa3 | 1963 | call_method("EOF", G_SCALAR); |
4592e6ca NIS |
1964 | LEAVE; |
1965 | SPAGAIN; | |
1966 | RETURN; | |
1967 | } | |
1968 | ||
54310121 | 1969 | PUSHs(boolSV(!gv || do_eof(gv))); |
a0d0e21e LW |
1970 | RETURN; |
1971 | } | |
1972 | ||
1973 | PP(pp_tell) | |
1974 | { | |
27da23d5 | 1975 | dVAR; dSP; dTARGET; |
301e8125 | 1976 | GV *gv; |
5b468f54 | 1977 | IO *io; |
4592e6ca | 1978 | MAGIC *mg; |
a0d0e21e | 1979 | |
c4420975 AL |
1980 | if (MAXARG != 0) |
1981 | PL_last_in_gv = (GV*)POPs; | |
1982 | gv = PL_last_in_gv; | |
4592e6ca | 1983 | |
5b468f54 AMS |
1984 | if (gv && (io = GvIO(gv)) |
1985 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1986 | { | |
4592e6ca | 1987 | PUSHMARK(SP); |
5b468f54 | 1988 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1989 | PUTBACK; |
1990 | ENTER; | |
864dbfa3 | 1991 | call_method("TELL", G_SCALAR); |
4592e6ca NIS |
1992 | LEAVE; |
1993 | SPAGAIN; | |
1994 | RETURN; | |
1995 | } | |
1996 | ||
146174a9 CB |
1997 | #if LSEEKSIZE > IVSIZE |
1998 | PUSHn( do_tell(gv) ); | |
1999 | #else | |
a0d0e21e | 2000 | PUSHi( do_tell(gv) ); |
146174a9 | 2001 | #endif |
a0d0e21e LW |
2002 | RETURN; |
2003 | } | |
2004 | ||
137443ea | 2005 | PP(pp_sysseek) |
2006 | { | |
27da23d5 | 2007 | dVAR; dSP; |
a0d0e21e | 2008 | GV *gv; |
5b468f54 | 2009 | IO *io; |
1df70142 | 2010 | const int whence = POPi; |
146174a9 CB |
2011 | #if LSEEKSIZE > IVSIZE |
2012 | Off_t offset = (Off_t)SvNVx(POPs); | |
2013 | #else | |
d9b3e12d | 2014 | Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 2015 | #endif |
4592e6ca | 2016 | MAGIC *mg; |
a0d0e21e | 2017 | |
3280af22 | 2018 | gv = PL_last_in_gv = (GV*)POPs; |
4592e6ca | 2019 | |
5b468f54 AMS |
2020 | if (gv && (io = GvIO(gv)) |
2021 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
2022 | { | |
4592e6ca | 2023 | PUSHMARK(SP); |
5b468f54 | 2024 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
cb50131a CB |
2025 | #if LSEEKSIZE > IVSIZE |
2026 | XPUSHs(sv_2mortal(newSVnv((NV) offset))); | |
2027 | #else | |
b448e4fe | 2028 | XPUSHs(sv_2mortal(newSViv(offset))); |
cb50131a | 2029 | #endif |
b448e4fe | 2030 | XPUSHs(sv_2mortal(newSViv(whence))); |
4592e6ca NIS |
2031 | PUTBACK; |
2032 | ENTER; | |
864dbfa3 | 2033 | call_method("SEEK", G_SCALAR); |
4592e6ca NIS |
2034 | LEAVE; |
2035 | SPAGAIN; | |
2036 | RETURN; | |
2037 | } | |
2038 | ||
533c011a | 2039 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2040 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2041 | else { | |
b448e4fe JH |
2042 | Off_t sought = do_sysseek(gv, offset, whence); |
2043 | if (sought < 0) | |
146174a9 CB |
2044 | PUSHs(&PL_sv_undef); |
2045 | else { | |
b448e4fe | 2046 | SV* sv = sought ? |
146174a9 | 2047 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2048 | newSVnv((NV)sought) |
146174a9 | 2049 | #else |
b448e4fe | 2050 | newSViv(sought) |
146174a9 CB |
2051 | #endif |
2052 | : newSVpvn(zero_but_true, ZBTLEN); | |
2053 | PUSHs(sv_2mortal(sv)); | |
2054 | } | |
8903cb82 | 2055 | } |
a0d0e21e LW |
2056 | RETURN; |
2057 | } | |
2058 | ||
2059 | PP(pp_truncate) | |
2060 | { | |
39644a26 | 2061 | dSP; |
8c99d73e GS |
2062 | /* There seems to be no consensus on the length type of truncate() |
2063 | * and ftruncate(), both off_t and size_t have supporters. In | |
2064 | * general one would think that when using large files, off_t is | |
2065 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2066 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
2067 | Off_t len; | |
a0d0e21e | 2068 | |
25342a55 | 2069 | #if Off_t_size > IVSIZE |
8c99d73e GS |
2070 | len = (Off_t)POPn; |
2071 | #else | |
2072 | len = (Off_t)POPi; | |
2073 | #endif | |
2074 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2075 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2076 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2077 | SETERRNO(0,0); |
d05c1ba0 | 2078 | { |
d05c1ba0 JH |
2079 | int result = 1; |
2080 | GV *tmpgv; | |
090bf15b SR |
2081 | IO *io; |
2082 | ||
d05c1ba0 | 2083 | if (PL_op->op_flags & OPf_SPECIAL) { |
7a5fd60d | 2084 | tmpgv = gv_fetchsv(POPs, FALSE, SVt_PVIO); |
d05c1ba0 | 2085 | |
090bf15b SR |
2086 | do_ftruncate_gv: |
2087 | if (!GvIO(tmpgv)) | |
2088 | result = 0; | |
d05c1ba0 | 2089 | else { |
090bf15b SR |
2090 | PerlIO *fp; |
2091 | io = GvIOp(tmpgv); | |
2092 | do_ftruncate_io: | |
2093 | TAINT_PROPER("truncate"); | |
2094 | if (!(fp = IoIFP(io))) { | |
2095 | result = 0; | |
2096 | } | |
2097 | else { | |
2098 | PerlIO_flush(fp); | |
cbdc8872 | 2099 | #ifdef HAS_TRUNCATE |
090bf15b | 2100 | if (ftruncate(PerlIO_fileno(fp), len) < 0) |
301e8125 | 2101 | #else |
090bf15b | 2102 | if (my_chsize(PerlIO_fileno(fp), len) < 0) |
cbdc8872 | 2103 | #endif |
090bf15b SR |
2104 | result = 0; |
2105 | } | |
d05c1ba0 | 2106 | } |
cbdc8872 | 2107 | } |
d05c1ba0 JH |
2108 | else { |
2109 | SV *sv = POPs; | |
83003860 | 2110 | const char *name; |
7a5fd60d | 2111 | |
d05c1ba0 JH |
2112 | if (SvTYPE(sv) == SVt_PVGV) { |
2113 | tmpgv = (GV*)sv; /* *main::FRED for example */ | |
090bf15b | 2114 | goto do_ftruncate_gv; |
d05c1ba0 JH |
2115 | } |
2116 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2117 | tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ | |
090bf15b SR |
2118 | goto do_ftruncate_gv; |
2119 | } | |
2120 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
2121 | io = (IO*) SvRV(sv); /* *main::FRED{IO} for example */ | |
2122 | goto do_ftruncate_io; | |
d05c1ba0 | 2123 | } |
1e422769 | 2124 | |
83003860 | 2125 | name = SvPV_nolen_const(sv); |
d05c1ba0 | 2126 | TAINT_PROPER("truncate"); |
cbdc8872 | 2127 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2128 | if (truncate(name, len) < 0) |
2129 | result = 0; | |
cbdc8872 | 2130 | #else |
d05c1ba0 JH |
2131 | { |
2132 | int tmpfd; | |
2133 | ||
2134 | if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0) | |
cbdc8872 | 2135 | result = 0; |
d05c1ba0 JH |
2136 | else { |
2137 | if (my_chsize(tmpfd, len) < 0) | |
2138 | result = 0; | |
2139 | PerlLIO_close(tmpfd); | |
2140 | } | |
cbdc8872 | 2141 | } |
a0d0e21e | 2142 | #endif |
d05c1ba0 | 2143 | } |
a0d0e21e | 2144 | |
d05c1ba0 JH |
2145 | if (result) |
2146 | RETPUSHYES; | |
2147 | if (!errno) | |
93189314 | 2148 | SETERRNO(EBADF,RMS_IFI); |
d05c1ba0 JH |
2149 | RETPUSHUNDEF; |
2150 | } | |
a0d0e21e LW |
2151 | } |
2152 | ||
a0d0e21e LW |
2153 | PP(pp_ioctl) |
2154 | { | |
39644a26 | 2155 | dSP; dTARGET; |
748a9306 | 2156 | SV *argsv = POPs; |
1df70142 | 2157 | const unsigned int func = POPu; |
e1ec3a88 | 2158 | const int optype = PL_op->op_type; |
a0d0e21e | 2159 | char *s; |
324aa91a | 2160 | IV retval; |
a0d0e21e | 2161 | GV *gv = (GV*)POPs; |
c289d2f7 | 2162 | IO *io = gv ? GvIOn(gv) : 0; |
a0d0e21e | 2163 | |
748a9306 | 2164 | if (!io || !argsv || !IoIFP(io)) { |
c289d2f7 JH |
2165 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2166 | report_evil_fh(gv, io, PL_op->op_type); | |
93189314 | 2167 | SETERRNO(EBADF,RMS_IFI); /* well, sort of... */ |
a0d0e21e LW |
2168 | RETPUSHUNDEF; |
2169 | } | |
2170 | ||
748a9306 | 2171 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2172 | STRLEN len; |
324aa91a | 2173 | STRLEN need; |
748a9306 | 2174 | s = SvPV_force(argsv, len); |
324aa91a HF |
2175 | need = IOCPARM_LEN(func); |
2176 | if (len < need) { | |
2177 | s = Sv_Grow(argsv, need + 1); | |
2178 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2179 | } |
2180 | ||
748a9306 | 2181 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2182 | } |
2183 | else { | |
748a9306 | 2184 | retval = SvIV(argsv); |
c529f79d | 2185 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2186 | } |
2187 | ||
2188 | TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl"); | |
2189 | ||
2190 | if (optype == OP_IOCTL) | |
2191 | #ifdef HAS_IOCTL | |
76e3520e | 2192 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2193 | #else |
cea2e8a9 | 2194 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2195 | #endif |
2196 | else | |
c214f4ad WB |
2197 | #ifndef HAS_FCNTL |
2198 | DIE(aTHX_ "fcntl is not implemented"); | |
2199 | #else | |
55497cff | 2200 | #if defined(OS2) && defined(__EMX__) |
760ac839 | 2201 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2202 | #else |
760ac839 | 2203 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2204 | #endif |
6652bd42 | 2205 | #endif |
a0d0e21e | 2206 | |
6652bd42 | 2207 | #if defined(HAS_IOCTL) || defined(HAS_FCNTL) |
748a9306 LW |
2208 | if (SvPOK(argsv)) { |
2209 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2210 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2211 | OP_NAME(PL_op)); |
748a9306 LW |
2212 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2213 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2214 | } |
2215 | ||
2216 | if (retval == -1) | |
2217 | RETPUSHUNDEF; | |
2218 | if (retval != 0) { | |
2219 | PUSHi(retval); | |
2220 | } | |
2221 | else { | |
8903cb82 | 2222 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e | 2223 | } |
4808266b | 2224 | #endif |
c214f4ad | 2225 | RETURN; |
a0d0e21e LW |
2226 | } |
2227 | ||
2228 | PP(pp_flock) | |
2229 | { | |
9cad6237 | 2230 | #ifdef FLOCK |
39644a26 | 2231 | dSP; dTARGET; |
a0d0e21e LW |
2232 | I32 value; |
2233 | int argtype; | |
2234 | GV *gv; | |
bc37a18f | 2235 | IO *io = NULL; |
760ac839 | 2236 | PerlIO *fp; |
16d20bd9 | 2237 | |
a0d0e21e | 2238 | argtype = POPi; |
32da55ab | 2239 | if (MAXARG == 0) |
3280af22 | 2240 | gv = PL_last_in_gv; |
a0d0e21e LW |
2241 | else |
2242 | gv = (GV*)POPs; | |
bc37a18f RG |
2243 | if (gv && (io = GvIO(gv))) |
2244 | fp = IoIFP(io); | |
2245 | else { | |
a0d0e21e | 2246 | fp = Nullfp; |
bc37a18f RG |
2247 | io = NULL; |
2248 | } | |
a0d0e21e | 2249 | if (fp) { |
68dc0745 | 2250 | (void)PerlIO_flush(fp); |
76e3520e | 2251 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2252 | } |
cb50131a | 2253 | else { |
bc37a18f RG |
2254 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2255 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 2256 | value = 0; |
93189314 | 2257 | SETERRNO(EBADF,RMS_IFI); |
cb50131a | 2258 | } |
a0d0e21e LW |
2259 | PUSHi(value); |
2260 | RETURN; | |
2261 | #else | |
cea2e8a9 | 2262 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2263 | #endif |
2264 | } | |
2265 | ||
2266 | /* Sockets. */ | |
2267 | ||
2268 | PP(pp_socket) | |
2269 | { | |
a0d0e21e | 2270 | #ifdef HAS_SOCKET |
9cad6237 | 2271 | dSP; |
a0d0e21e LW |
2272 | GV *gv; |
2273 | register IO *io; | |
2274 | int protocol = POPi; | |
2275 | int type = POPi; | |
2276 | int domain = POPi; | |
2277 | int fd; | |
2278 | ||
2279 | gv = (GV*)POPs; | |
c289d2f7 | 2280 | io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2281 | |
c289d2f7 JH |
2282 | if (!gv || !io) { |
2283 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
2284 | report_evil_fh(gv, io, PL_op->op_type); | |
2285 | if (IoIFP(io)) | |
2286 | do_close(gv, FALSE); | |
93189314 | 2287 | SETERRNO(EBADF,LIB_INVARG); |
a0d0e21e LW |
2288 | RETPUSHUNDEF; |
2289 | } | |
2290 | ||
57171420 BS |
2291 | if (IoIFP(io)) |
2292 | do_close(gv, FALSE); | |
2293 | ||
a0d0e21e | 2294 | TAINT_PROPER("socket"); |
6ad3d225 | 2295 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2296 | if (fd < 0) |
2297 | RETPUSHUNDEF; | |
460c8493 IZ |
2298 | IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */ |
2299 | IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2300 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2301 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2302 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2303 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2304 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2305 | RETPUSHUNDEF; |
2306 | } | |
8d2a6795 GS |
2307 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2308 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2309 | #endif | |
a0d0e21e | 2310 | |
d5ff79b3 OF |
2311 | #ifdef EPOC |
2312 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2313 | #endif | |
2314 | ||
a0d0e21e LW |
2315 | RETPUSHYES; |
2316 | #else | |
cea2e8a9 | 2317 | DIE(aTHX_ PL_no_sock_func, "socket"); |
a0d0e21e LW |
2318 | #endif |
2319 | } | |
2320 | ||
2321 | PP(pp_sockpair) | |
2322 | { | |
c95c94b1 | 2323 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
76ffd3b9 | 2324 | dSP; |
a0d0e21e LW |
2325 | GV *gv1; |
2326 | GV *gv2; | |
2327 | register IO *io1; | |
2328 | register IO *io2; | |
2329 | int protocol = POPi; | |
2330 | int type = POPi; | |
2331 | int domain = POPi; | |
2332 | int fd[2]; | |
2333 | ||
2334 | gv2 = (GV*)POPs; | |
2335 | gv1 = (GV*)POPs; | |
c289d2f7 JH |
2336 | io1 = gv1 ? GvIOn(gv1) : NULL; |
2337 | io2 = gv2 ? GvIOn(gv2) : NULL; | |
2338 | if (!gv1 || !gv2 || !io1 || !io2) { | |
2339 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { | |
2340 | if (!gv1 || !io1) | |
2341 | report_evil_fh(gv1, io1, PL_op->op_type); | |
2342 | if (!gv2 || !io2) | |
2343 | report_evil_fh(gv1, io2, PL_op->op_type); | |
2344 | } | |
2345 | if (IoIFP(io1)) | |
2346 | do_close(gv1, FALSE); | |
2347 | if (IoIFP(io2)) | |
2348 | do_close(gv2, FALSE); | |
a0d0e21e | 2349 | RETPUSHUNDEF; |
c289d2f7 | 2350 | } |
a0d0e21e | 2351 | |
dc0d0a5f JH |
2352 | if (IoIFP(io1)) |
2353 | do_close(gv1, FALSE); | |
2354 | if (IoIFP(io2)) | |
2355 | do_close(gv2, FALSE); | |
57171420 | 2356 | |
a0d0e21e | 2357 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2358 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2359 | RETPUSHUNDEF; |
460c8493 IZ |
2360 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE); |
2361 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE); | |
50952442 | 2362 | IoTYPE(io1) = IoTYPE_SOCKET; |
460c8493 IZ |
2363 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE); |
2364 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE); | |
50952442 | 2365 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2366 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2367 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2368 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2369 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2370 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2371 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2372 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2373 | RETPUSHUNDEF; |
2374 | } | |
8d2a6795 GS |
2375 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2376 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2377 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2378 | #endif | |
a0d0e21e LW |
2379 | |
2380 | RETPUSHYES; | |
2381 | #else | |
cea2e8a9 | 2382 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2383 | #endif |
2384 | } | |
2385 | ||
2386 | PP(pp_bind) | |
2387 | { | |
a0d0e21e | 2388 | #ifdef HAS_SOCKET |
9cad6237 | 2389 | dSP; |
eec2d3df | 2390 | #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */ |
82b3da69 JH |
2391 | extern void GETPRIVMODE(); |
2392 | extern void GETUSERMODE(); | |
eec2d3df | 2393 | #endif |
748a9306 | 2394 | SV *addrsv = POPs; |
349d4f2f NC |
2395 | /* OK, so on what platform does bind modify addr? */ |
2396 | const char *addr; | |
a0d0e21e LW |
2397 | GV *gv = (GV*)POPs; |
2398 | register IO *io = GvIOn(gv); | |
2399 | STRLEN len; | |
eec2d3df GS |
2400 | int bind_ok = 0; |
2401 | #ifdef MPE | |
2402 | int mpeprivmode = 0; | |
2403 | #endif | |
a0d0e21e LW |
2404 | |
2405 | if (!io || !IoIFP(io)) | |
2406 | goto nuts; | |
2407 | ||
349d4f2f | 2408 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2409 | TAINT_PROPER("bind"); |
eec2d3df GS |
2410 | #ifdef MPE /* Deal with MPE bind() peculiarities */ |
2411 | if (((struct sockaddr *)addr)->sa_family == AF_INET) { | |
2412 | /* The address *MUST* stupidly be zero. */ | |
2413 | ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY; | |
2414 | /* PRIV mode is required to bind() to ports < 1024. */ | |
2415 | if (((struct sockaddr_in *)addr)->sin_port < 1024 && | |
2416 | ((struct sockaddr_in *)addr)->sin_port > 0) { | |
2417 | GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */ | |
2418 | mpeprivmode = 1; | |
2419 | } | |
2420 | } | |
2421 | #endif /* MPE */ | |
2422 | if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), | |
2423 | (struct sockaddr *)addr, len) >= 0) | |
2424 | bind_ok = 1; | |
2425 | ||
2426 | #ifdef MPE /* Switch back to USER mode */ | |
2427 | if (mpeprivmode) | |
2428 | GETUSERMODE(); | |
2429 | #endif /* MPE */ | |
2430 | ||
2431 | if (bind_ok) | |
a0d0e21e LW |
2432 | RETPUSHYES; |
2433 | else | |
2434 | RETPUSHUNDEF; | |
2435 | ||
2436 | nuts: | |
599cee73 | 2437 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2438 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2439 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2440 | RETPUSHUNDEF; |
2441 | #else | |
cea2e8a9 | 2442 | DIE(aTHX_ PL_no_sock_func, "bind"); |
a0d0e21e LW |
2443 | #endif |
2444 | } | |
2445 | ||
2446 | PP(pp_connect) | |
2447 | { | |
a0d0e21e | 2448 | #ifdef HAS_SOCKET |
9cad6237 | 2449 | dSP; |
748a9306 | 2450 | SV *addrsv = POPs; |
349d4f2f | 2451 | const char *addr; |
a0d0e21e LW |
2452 | GV *gv = (GV*)POPs; |
2453 | register IO *io = GvIOn(gv); | |
2454 | STRLEN len; | |
2455 | ||
2456 | if (!io || !IoIFP(io)) | |
2457 | goto nuts; | |
2458 | ||
349d4f2f | 2459 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2460 | TAINT_PROPER("connect"); |
6ad3d225 | 2461 | if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2462 | RETPUSHYES; |
2463 | else | |
2464 | RETPUSHUNDEF; | |
2465 | ||
2466 | nuts: | |
599cee73 | 2467 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2468 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2469 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2470 | RETPUSHUNDEF; |
2471 | #else | |
cea2e8a9 | 2472 | DIE(aTHX_ PL_no_sock_func, "connect"); |
a0d0e21e LW |
2473 | #endif |
2474 | } | |
2475 | ||
2476 | PP(pp_listen) | |
2477 | { | |
a0d0e21e | 2478 | #ifdef HAS_SOCKET |
9cad6237 | 2479 | dSP; |
a0d0e21e LW |
2480 | int backlog = POPi; |
2481 | GV *gv = (GV*)POPs; | |
c289d2f7 | 2482 | register IO *io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2483 | |
c289d2f7 | 2484 | if (!gv || !io || !IoIFP(io)) |
a0d0e21e LW |
2485 | goto nuts; |
2486 | ||
6ad3d225 | 2487 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2488 | RETPUSHYES; |
2489 | else | |
2490 | RETPUSHUNDEF; | |
2491 | ||
2492 | nuts: | |
599cee73 | 2493 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2494 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2495 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2496 | RETPUSHUNDEF; |
2497 | #else | |
cea2e8a9 | 2498 | DIE(aTHX_ PL_no_sock_func, "listen"); |
a0d0e21e LW |
2499 | #endif |
2500 | } | |
2501 | ||
2502 | PP(pp_accept) | |
2503 | { | |
a0d0e21e | 2504 | #ifdef HAS_SOCKET |
9cad6237 | 2505 | dSP; dTARGET; |
a0d0e21e LW |
2506 | GV *ngv; |
2507 | GV *ggv; | |
2508 | register IO *nstio; | |
2509 | register IO *gstio; | |
93d47a36 JH |
2510 | char namebuf[MAXPATHLEN]; |
2511 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) | |
2512 | Sock_size_t len = sizeof (struct sockaddr_in); | |
2513 | #else | |
2514 | Sock_size_t len = sizeof namebuf; | |
2515 | #endif | |
a0d0e21e LW |
2516 | int fd; |
2517 | ||
2518 | ggv = (GV*)POPs; | |
2519 | ngv = (GV*)POPs; | |
2520 | ||
2521 | if (!ngv) | |
2522 | goto badexit; | |
2523 | if (!ggv) | |
2524 | goto nuts; | |
2525 | ||
2526 | gstio = GvIO(ggv); | |
2527 | if (!gstio || !IoIFP(gstio)) | |
2528 | goto nuts; | |
2529 | ||
2530 | nstio = GvIOn(ngv); | |
93d47a36 | 2531 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len); |
a0d0e21e LW |
2532 | if (fd < 0) |
2533 | goto badexit; | |
a70048fb AB |
2534 | if (IoIFP(nstio)) |
2535 | do_close(ngv, FALSE); | |
460c8493 IZ |
2536 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); |
2537 | IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2538 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2539 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2540 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2541 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2542 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2543 | goto badexit; |
2544 | } | |
8d2a6795 GS |
2545 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2546 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2547 | #endif | |
a0d0e21e | 2548 | |
ed79a026 | 2549 | #ifdef EPOC |
93d47a36 | 2550 | len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */ |
a9f1f6b0 | 2551 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ |
ed79a026 | 2552 | #endif |
381c1bae | 2553 | #ifdef __SCO_VERSION__ |
93d47a36 | 2554 | len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */ |
381c1bae | 2555 | #endif |
ed79a026 | 2556 | |
93d47a36 | 2557 | PUSHp(namebuf, len); |
a0d0e21e LW |
2558 | RETURN; |
2559 | ||
2560 | nuts: | |
599cee73 | 2561 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2562 | report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type); |
93189314 | 2563 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2564 | |
2565 | badexit: | |
2566 | RETPUSHUNDEF; | |
2567 | ||
2568 | #else | |
cea2e8a9 | 2569 | DIE(aTHX_ PL_no_sock_func, "accept"); |
a0d0e21e LW |
2570 | #endif |
2571 | } | |
2572 | ||
2573 | PP(pp_shutdown) | |
2574 | { | |
a0d0e21e | 2575 | #ifdef HAS_SOCKET |
9cad6237 | 2576 | dSP; dTARGET; |
a0d0e21e LW |
2577 | int how = POPi; |
2578 | GV *gv = (GV*)POPs; | |
2579 | register IO *io = GvIOn(gv); | |
2580 | ||
2581 | if (!io || !IoIFP(io)) | |
2582 | goto nuts; | |
2583 | ||
6ad3d225 | 2584 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2585 | RETURN; |
2586 | ||
2587 | nuts: | |
599cee73 | 2588 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2589 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2590 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2591 | RETPUSHUNDEF; |
2592 | #else | |
cea2e8a9 | 2593 | DIE(aTHX_ PL_no_sock_func, "shutdown"); |
a0d0e21e LW |
2594 | #endif |
2595 | } | |
2596 | ||
a0d0e21e LW |
2597 | PP(pp_ssockopt) |
2598 | { | |
a0d0e21e | 2599 | #ifdef HAS_SOCKET |
9cad6237 | 2600 | dSP; |
533c011a | 2601 | int optype = PL_op->op_type; |
a0d0e21e LW |
2602 | SV *sv; |
2603 | int fd; | |
2604 | unsigned int optname; | |
2605 | unsigned int lvl; | |
2606 | GV *gv; | |
2607 | register IO *io; | |
1e422769 | 2608 | Sock_size_t len; |
a0d0e21e LW |
2609 | |
2610 | if (optype == OP_GSOCKOPT) | |
2611 | sv = sv_2mortal(NEWSV(22, 257)); | |
2612 | else | |
2613 | sv = POPs; | |
2614 | optname = (unsigned int) POPi; | |
2615 | lvl = (unsigned int) POPi; | |
2616 | ||
2617 | gv = (GV*)POPs; | |
2618 | io = GvIOn(gv); | |
2619 | if (!io || !IoIFP(io)) | |
2620 | goto nuts; | |
2621 | ||
760ac839 | 2622 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2623 | switch (optype) { |
2624 | case OP_GSOCKOPT: | |
748a9306 | 2625 | SvGROW(sv, 257); |
a0d0e21e | 2626 | (void)SvPOK_only(sv); |
748a9306 LW |
2627 | SvCUR_set(sv,256); |
2628 | *SvEND(sv) ='\0'; | |
1e422769 | 2629 | len = SvCUR(sv); |
6ad3d225 | 2630 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2631 | goto nuts2; |
1e422769 | 2632 | SvCUR_set(sv, len); |
748a9306 | 2633 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2634 | PUSHs(sv); |
2635 | break; | |
2636 | case OP_SSOCKOPT: { | |
1215b447 JH |
2637 | #if defined(__SYMBIAN32__) |
2638 | # define SETSOCKOPT_OPTION_VALUE_T void * | |
2639 | #else | |
2640 | # define SETSOCKOPT_OPTION_VALUE_T const char * | |
2641 | #endif | |
2642 | /* XXX TODO: We need to have a proper type (a Configure probe, | |
2643 | * etc.) for what the C headers think of the third argument of | |
2644 | * setsockopt(), the option_value read-only buffer: is it | |
2645 | * a "char *", or a "void *", const or not. Some compilers | |
2646 | * don't take kindly to e.g. assuming that "char *" implicitly | |
2647 | * promotes to a "void *", or to explicitly promoting/demoting | |
2648 | * consts to non/vice versa. The "const void *" is the SUS | |
2649 | * definition, but that does not fly everywhere for the above | |
2650 | * reasons. */ | |
2651 | SETSOCKOPT_OPTION_VALUE_T buf; | |
1e422769 | 2652 | int aint; |
2653 | if (SvPOKp(sv)) { | |
2d8e6c8d | 2654 | STRLEN l; |
1215b447 | 2655 | buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l); |
2d8e6c8d | 2656 | len = l; |
1e422769 | 2657 | } |
56ee1660 | 2658 | else { |
a0d0e21e | 2659 | aint = (int)SvIV(sv); |
1215b447 | 2660 | buf = (SETSOCKOPT_OPTION_VALUE_T) &aint; |
a0d0e21e LW |
2661 | len = sizeof(int); |
2662 | } | |
6ad3d225 | 2663 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2664 | goto nuts2; |
3280af22 | 2665 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2666 | } |
2667 | break; | |
2668 | } | |
2669 | RETURN; | |
2670 | ||
2671 | nuts: | |
599cee73 | 2672 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2673 | report_evil_fh(gv, io, optype); |
93189314 | 2674 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2675 | nuts2: |
2676 | RETPUSHUNDEF; | |
2677 | ||
2678 | #else | |
af51a00e | 2679 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2680 | #endif |
2681 | } | |
2682 | ||
a0d0e21e LW |
2683 | PP(pp_getpeername) |
2684 | { | |
a0d0e21e | 2685 | #ifdef HAS_SOCKET |
9cad6237 | 2686 | dSP; |
533c011a | 2687 | int optype = PL_op->op_type; |
a0d0e21e LW |
2688 | SV *sv; |
2689 | int fd; | |
2690 | GV *gv = (GV*)POPs; | |
2691 | register IO *io = GvIOn(gv); | |
1e422769 | 2692 | Sock_size_t len; |
a0d0e21e LW |
2693 | |
2694 | if (!io || !IoIFP(io)) | |
2695 | goto nuts; | |
2696 | ||
2697 | sv = sv_2mortal(NEWSV(22, 257)); | |
748a9306 | 2698 | (void)SvPOK_only(sv); |
1e422769 | 2699 | len = 256; |
2700 | SvCUR_set(sv, len); | |
748a9306 | 2701 | *SvEND(sv) ='\0'; |
760ac839 | 2702 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2703 | switch (optype) { |
2704 | case OP_GETSOCKNAME: | |
6ad3d225 | 2705 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2706 | goto nuts2; |
2707 | break; | |
2708 | case OP_GETPEERNAME: | |
6ad3d225 | 2709 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2710 | goto nuts2; |
490ab354 JH |
2711 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2712 | { | |
2713 | 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"; | |
2714 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
349d4f2f | 2715 | if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET && |
2fbb330f | 2716 | !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere, |
490ab354 | 2717 | sizeof(u_short) + sizeof(struct in_addr))) { |
301e8125 | 2718 | goto nuts2; |
490ab354 JH |
2719 | } |
2720 | } | |
2721 | #endif | |
a0d0e21e LW |
2722 | break; |
2723 | } | |
13826f2c CS |
2724 | #ifdef BOGUS_GETNAME_RETURN |
2725 | /* Interactive Unix, getpeername() and getsockname() | |
2726 | does not return valid namelen */ | |
1e422769 | 2727 | if (len == BOGUS_GETNAME_RETURN) |
2728 | len = sizeof(struct sockaddr); | |
13826f2c | 2729 | #endif |
1e422769 | 2730 | SvCUR_set(sv, len); |
748a9306 | 2731 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2732 | PUSHs(sv); |
2733 | RETURN; | |
2734 | ||
2735 | nuts: | |
599cee73 | 2736 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2737 | report_evil_fh(gv, io, optype); |
93189314 | 2738 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2739 | nuts2: |
2740 | RETPUSHUNDEF; | |
2741 | ||
2742 | #else | |
af51a00e | 2743 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2744 | #endif |
2745 | } | |
2746 | ||
2747 | /* Stat calls. */ | |
2748 | ||
a0d0e21e LW |
2749 | PP(pp_stat) |
2750 | { | |
39644a26 | 2751 | dSP; |
2dd78f96 | 2752 | GV *gv; |
54310121 | 2753 | I32 gimme; |
a0d0e21e LW |
2754 | I32 max = 13; |
2755 | ||
533c011a | 2756 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2757 | gv = cGVOP_gv; |
8a4e5b40 | 2758 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de | 2759 | if (gv != PL_defgv) { |
5d329e6e | 2760 | do_fstat_warning_check: |
5d3e98de | 2761 | if (ckWARN(WARN_IO)) |
9014280d | 2762 | Perl_warner(aTHX_ packWARN(WARN_IO), |
5d3e98de RGS |
2763 | "lstat() on filehandle %s", GvENAME(gv)); |
2764 | } else if (PL_laststype != OP_LSTAT) | |
8a4e5b40 | 2765 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2766 | } |
2767 | ||
748a9306 | 2768 | do_fstat: |
2dd78f96 | 2769 | if (gv != PL_defgv) { |
3280af22 | 2770 | PL_laststype = OP_STAT; |
2dd78f96 | 2771 | PL_statgv = gv; |
c69006e4 | 2772 | sv_setpvn(PL_statname, "", 0); |
2dd78f96 JH |
2773 | PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv)) |
2774 | ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1); | |
a0d0e21e | 2775 | } |
9ddeeac9 | 2776 | if (PL_laststatval < 0) { |
2dd78f96 JH |
2777 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2778 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); | |
a0d0e21e | 2779 | max = 0; |
9ddeeac9 | 2780 | } |
a0d0e21e LW |
2781 | } |
2782 | else { | |
748a9306 LW |
2783 | SV* sv = POPs; |
2784 | if (SvTYPE(sv) == SVt_PVGV) { | |
2dd78f96 | 2785 | gv = (GV*)sv; |
748a9306 LW |
2786 | goto do_fstat; |
2787 | } | |
2788 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 2789 | gv = (GV*)SvRV(sv); |
5d329e6e NC |
2790 | if (PL_op->op_type == OP_LSTAT) |
2791 | goto do_fstat_warning_check; | |
748a9306 LW |
2792 | goto do_fstat; |
2793 | } | |
0510663f | 2794 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
3280af22 | 2795 | PL_statgv = Nullgv; |
533c011a NIS |
2796 | PL_laststype = PL_op->op_type; |
2797 | if (PL_op->op_type == OP_LSTAT) | |
0510663f | 2798 | PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache); |
a0d0e21e | 2799 | else |
0510663f | 2800 | PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache); |
3280af22 | 2801 | if (PL_laststatval < 0) { |
0510663f | 2802 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n')) |
9014280d | 2803 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
a0d0e21e LW |
2804 | max = 0; |
2805 | } | |
2806 | } | |
2807 | ||
54310121 | 2808 | gimme = GIMME_V; |
2809 | if (gimme != G_ARRAY) { | |
2810 | if (gimme != G_VOID) | |
2811 | XPUSHs(boolSV(max)); | |
2812 | RETURN; | |
a0d0e21e LW |
2813 | } |
2814 | if (max) { | |
36477c24 | 2815 | EXTEND(SP, max); |
2816 | EXTEND_MORTAL(max); | |
1ff81528 PL |
2817 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); |
2818 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); | |
b448e4fe JH |
2819 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); |
2820 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); | |
146174a9 CB |
2821 | #if Uid_t_size > IVSIZE |
2822 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); | |
2823 | #else | |
23dcd6c8 | 2824 | # if Uid_t_sign <= 0 |
1ff81528 | 2825 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); |
23dcd6c8 JH |
2826 | # else |
2827 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); | |
2828 | # endif | |
146174a9 | 2829 | #endif |
301e8125 | 2830 | #if Gid_t_size > IVSIZE |
146174a9 CB |
2831 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); |
2832 | #else | |
23dcd6c8 | 2833 | # if Gid_t_sign <= 0 |
1ff81528 | 2834 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); |
23dcd6c8 JH |
2835 | # else |
2836 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); | |
2837 | # endif | |
146174a9 | 2838 | #endif |
cbdc8872 | 2839 | #ifdef USE_STAT_RDEV |
1ff81528 | 2840 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); |
cbdc8872 | 2841 | #else |
79cb57f6 | 2842 | PUSHs(sv_2mortal(newSVpvn("", 0))); |
cbdc8872 | 2843 | #endif |
146174a9 | 2844 | #if Off_t_size > IVSIZE |
4a9d6100 | 2845 | PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size))); |
146174a9 | 2846 | #else |
1ff81528 | 2847 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); |
146174a9 | 2848 | #endif |
cbdc8872 | 2849 | #ifdef BIG_TIME |
172ae379 JH |
2850 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); |
2851 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); | |
2852 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); | |
cbdc8872 | 2853 | #else |
1ff81528 PL |
2854 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime))); |
2855 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime))); | |
2856 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime))); | |
cbdc8872 | 2857 | #endif |
a0d0e21e | 2858 | #ifdef USE_STAT_BLOCKS |
b448e4fe JH |
2859 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); |
2860 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); | |
a0d0e21e | 2861 | #else |
79cb57f6 GS |
2862 | PUSHs(sv_2mortal(newSVpvn("", 0))); |
2863 | PUSHs(sv_2mortal(newSVpvn("", 0))); | |
a0d0e21e LW |
2864 | #endif |
2865 | } | |
2866 | RETURN; | |
2867 | } | |
2868 | ||
fbb0b3b3 RGS |
2869 | /* This macro is used by the stacked filetest operators : |
2870 | * if the previous filetest failed, short-circuit and pass its value. | |
2871 | * Else, discard it from the stack and continue. --rgs | |
2872 | */ | |
2873 | #define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \ | |
2874 | if (TOPs == &PL_sv_no || TOPs == &PL_sv_undef) { RETURN; } \ | |
2875 | else { (void)POPs; PUTBACK; } \ | |
2876 | } | |
2877 | ||
a0d0e21e LW |
2878 | PP(pp_ftrread) |
2879 | { | |
9cad6237 | 2880 | I32 result; |
af9e49b4 NC |
2881 | /* Not const, because things tweak this below. Not bool, because there's |
2882 | no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */ | |
2883 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2884 | I32 use_access = PL_op->op_private & OPpFT_ACCESS; | |
2885 | /* Giving some sort of initial value silences compilers. */ | |
2886 | # ifdef R_OK | |
2887 | int access_mode = R_OK; | |
2888 | # else | |
2889 | int access_mode = 0; | |
2890 | # endif | |
5ff3f7a4 | 2891 | #else |
af9e49b4 NC |
2892 | /* access_mode is never used, but leaving use_access in makes the |
2893 | conditional compiling below much clearer. */ | |
2894 | I32 use_access = 0; | |
5ff3f7a4 | 2895 | #endif |
af9e49b4 | 2896 | int stat_mode = S_IRUSR; |
a0d0e21e | 2897 | |
af9e49b4 | 2898 | bool effective = FALSE; |
2a3ff820 | 2899 | dSP; |
af9e49b4 | 2900 | |
fbb0b3b3 | 2901 | STACKED_FTEST_CHECK; |
af9e49b4 NC |
2902 | |
2903 | switch (PL_op->op_type) { | |
2904 | case OP_FTRREAD: | |
2905 | #if !(defined(HAS_ACCESS) && defined(R_OK)) | |
2906 | use_access = 0; | |
2907 | #endif | |
2908 | break; | |
2909 | ||
2910 | case OP_FTRWRITE: | |
5ff3f7a4 | 2911 | #if defined(HAS_ACCESS) && defined(W_OK) |
af9e49b4 | 2912 | access_mode = W_OK; |
5ff3f7a4 | 2913 | #else |
af9e49b4 | 2914 | use_access = 0; |
5ff3f7a4 | 2915 | #endif |
af9e49b4 NC |
2916 | stat_mode = S_IWUSR; |
2917 | break; | |
a0d0e21e | 2918 | |
af9e49b4 | 2919 | case OP_FTREXEC: |
5ff3f7a4 | 2920 | #if defined(HAS_ACCESS) && defined(X_OK) |
af9e49b4 | 2921 | access_mode = X_OK; |
5ff3f7a4 | 2922 | #else |
af9e49b4 | 2923 | use_access = 0; |
5ff3f7a4 | 2924 | #endif |
af9e49b4 NC |
2925 | stat_mode = S_IXUSR; |
2926 | break; | |
a0d0e21e | 2927 | |
af9e49b4 | 2928 | case OP_FTEWRITE: |
faee0e31 | 2929 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 2930 | access_mode = W_OK; |
5ff3f7a4 | 2931 | #endif |
af9e49b4 NC |
2932 | stat_mode = S_IWUSR; |
2933 | /* Fall through */ | |
a0d0e21e | 2934 | |
af9e49b4 NC |
2935 | case OP_FTEREAD: |
2936 | #ifndef PERL_EFF_ACCESS | |
2937 | use_access = 0; | |
2938 | #endif | |
2939 | effective = TRUE; | |
2940 | break; | |
2941 | ||
2942 | ||
2943 | case OP_FTEEXEC: | |
faee0e31 | 2944 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 2945 | access_mode = W_OK; |
5ff3f7a4 | 2946 | #else |
af9e49b4 | 2947 | use_access = 0; |
5ff3f7a4 | 2948 | #endif |
af9e49b4 NC |
2949 | stat_mode = S_IXUSR; |
2950 | effective = TRUE; | |
2951 | break; | |
2952 | } | |
a0d0e21e | 2953 | |
af9e49b4 NC |
2954 | if (use_access) { |
2955 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2956 | const char *const name = POPpx; | |
2957 | if (effective) { | |
2958 | # ifdef PERL_EFF_ACCESS | |
2959 | result = PERL_EFF_ACCESS(name, access_mode); | |
2960 | # else | |
2961 | DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s", | |
2962 | OP_NAME(PL_op)); | |
2963 | # endif | |
2964 | } | |
2965 | else { | |
2966 | # ifdef HAS_ACCESS | |
2967 | result = access(name, access_mode); | |
2968 | # else | |
2969 | DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op)); | |
2970 | # endif | |
2971 | } | |
5ff3f7a4 GS |
2972 | if (result == 0) |
2973 | RETPUSHYES; | |
2974 | if (result < 0) | |
2975 | RETPUSHUNDEF; | |
2976 | RETPUSHNO; | |
af9e49b4 | 2977 | #endif |
22865c03 | 2978 | } |
af9e49b4 | 2979 | |
cea2e8a9 | 2980 | result = my_stat(); |
22865c03 | 2981 | SPAGAIN; |
a0d0e21e LW |
2982 | if (result < 0) |
2983 | RETPUSHUNDEF; | |
af9e49b4 | 2984 | if (cando(stat_mode, effective, &PL_statcache)) |
a0d0e21e LW |
2985 | RETPUSHYES; |
2986 | RETPUSHNO; | |
2987 | } | |
2988 | ||
2989 | PP(pp_ftis) | |
2990 | { | |
fbb0b3b3 | 2991 | I32 result; |
d7f0a2f4 | 2992 | const int op_type = PL_op->op_type; |
2a3ff820 | 2993 | dSP; |
fbb0b3b3 RGS |
2994 | STACKED_FTEST_CHECK; |
2995 | result = my_stat(); | |
2996 | SPAGAIN; | |
a0d0e21e LW |
2997 | if (result < 0) |
2998 | RETPUSHUNDEF; | |
d7f0a2f4 NC |
2999 | if (op_type == OP_FTIS) |
3000 | RETPUSHYES; | |
957b0e1d | 3001 | { |
d7f0a2f4 NC |
3002 | /* You can't dTARGET inside OP_FTIS, because you'll get |
3003 | "panic: pad_sv po" - the op is not flagged to have a target. */ | |
957b0e1d | 3004 | dTARGET; |
d7f0a2f4 | 3005 | switch (op_type) { |
957b0e1d NC |
3006 | case OP_FTSIZE: |
3007 | #if Off_t_size > IVSIZE | |
3008 | PUSHn(PL_statcache.st_size); | |
3009 | #else | |
3010 | PUSHi(PL_statcache.st_size); | |
3011 | #endif | |
3012 | break; | |
3013 | case OP_FTMTIME: | |
3014 | PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 ); | |
3015 | break; | |
3016 | case OP_FTATIME: | |
3017 | PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 ); | |
3018 | break; | |
3019 | case OP_FTCTIME: | |
3020 | PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 ); | |
3021 | break; | |
3022 | } | |
3023 | } | |
3024 | RETURN; | |
a0d0e21e LW |
3025 | } |
3026 | ||
a0d0e21e LW |
3027 | PP(pp_ftrowned) |
3028 | { | |
fbb0b3b3 | 3029 | I32 result; |
2a3ff820 | 3030 | dSP; |
17ad201a NC |
3031 | |
3032 | /* I believe that all these three are likely to be defined on most every | |
3033 | system these days. */ | |
3034 | #ifndef S_ISUID | |
3035 | if(PL_op->op_type == OP_FTSUID) | |
3036 | RETPUSHNO; | |
3037 | #endif | |
3038 | #ifndef S_ISGID | |
3039 | if(PL_op->op_type == OP_FTSGID) | |
3040 | RETPUSHNO; | |
3041 | #endif | |
3042 | #ifndef S_ISVTX | |
3043 | if(PL_op->op_type == OP_FTSVTX) | |
3044 | RETPUSHNO; | |
3045 | #endif | |
3046 | ||
fbb0b3b3 RGS |
3047 | STACKED_FTEST_CHECK; |
3048 | result = my_stat(); | |
3049 | SPAGAIN; | |
a0d0e21e LW |
3050 | if (result < 0) |
3051 | RETPUSHUNDEF; | |
f1cb2d48 NC |
3052 | switch (PL_op->op_type) { |
3053 | case OP_FTROWNED: | |
9ab9fa88 | 3054 | if (PL_statcache.st_uid == PL_uid) |
f1cb2d48 NC |
3055 | RETPUSHYES; |
3056 | break; | |
3057 | case OP_FTEOWNED: | |
3058 | if (PL_statcache.st_uid == PL_euid) | |
3059 | RETPUSHYES; | |
3060 | break; | |
3061 | case OP_FTZERO: | |
3062 | if (PL_statcache.st_size == 0) | |
3063 | RETPUSHYES; | |
3064 | break; | |
3065 | case OP_FTSOCK: | |
3066 | if (S_ISSOCK(PL_statcache.st_mode)) | |
3067 | RETPUSHYES; | |
3068 | break; | |
3069 | case OP_FTCHR: | |
3070 | if (S_ISCHR(PL_statcache.st_mode)) | |
3071 | RETPUSHYES; | |
3072 | break; | |
3073 | case OP_FTBLK: | |
3074 | if (S_ISBLK(PL_statcache.st_mode)) | |
3075 | RETPUSHYES; | |
3076 | break; | |
3077 | case OP_FTFILE: | |
3078 | if (S_ISREG(PL_statcache.st_mode)) | |
3079 | RETPUSHYES; | |
3080 | break; | |
3081 | case OP_FTDIR: | |
3082 | if (S_ISDIR(PL_statcache.st_mode)) | |
3083 | RETPUSHYES; | |
3084 | break; | |
3085 | case OP_FTPIPE: | |
3086 | if (S_ISFIFO(PL_statcache.st_mode)) | |
3087 | RETPUSHYES; | |
3088 | break; | |
a0d0e21e | 3089 | #ifdef S_ISUID |
17ad201a NC |
3090 | case OP_FTSUID: |
3091 | if (PL_statcache.st_mode & S_ISUID) | |
3092 | RETPUSHYES; | |
3093 | break; | |
a0d0e21e | 3094 | #endif |
a0d0e21e | 3095 | #ifdef S_ISGID |
17ad201a NC |
3096 | case OP_FTSGID: |
3097 | if (PL_statcache.st_mode & S_ISGID) | |
3098 | RETPUSHYES; | |
3099 | break; | |
3100 | #endif | |
3101 | #ifdef S_ISVTX | |
3102 | case OP_FTSVTX: | |
3103 | if (PL_statcache.st_mode & S_ISVTX) | |
3104 | RETPUSHYES; | |
3105 | break; | |
a0d0e21e | 3106 | #endif |
17ad201a | 3107 | } |
a0d0e21e LW |
3108 | RETPUSHNO; |
3109 | } | |
3110 | ||
17ad201a | 3111 | PP(pp_ftlink) |
a0d0e21e | 3112 | { |
17ad201a | 3113 | I32 result = my_lstat(); |
39644a26 | 3114 | dSP; |
a0d0e21e LW |
3115 | if (result < 0) |
3116 | RETPUSHUNDEF; | |
17ad201a | 3117 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e | 3118 | RETPUSHYES; |
a0d0e21e LW |
3119 | RETPUSHNO; |
3120 | } | |
3121 | ||
3122 | PP(pp_fttty) | |
3123 | { | |
39644a26 | 3124 | dSP; |
a0d0e21e LW |
3125 | int fd; |
3126 | GV *gv; | |
7a5fd60d | 3127 | SV *tmpsv = Nullsv; |
fb73857a | 3128 | |
fbb0b3b3 RGS |
3129 | STACKED_FTEST_CHECK; |
3130 | ||
533c011a | 3131 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3132 | gv = cGVOP_gv; |
fb73857a | 3133 | else if (isGV(TOPs)) |
3134 | gv = (GV*)POPs; | |
3135 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3136 | gv = (GV*)SvRV(POPs); | |
a0d0e21e | 3137 | else |
7a5fd60d | 3138 | gv = gv_fetchsv(tmpsv = POPs, FALSE, SVt_PVIO); |
fb73857a | 3139 | |
a0d0e21e | 3140 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3141 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
7a5fd60d | 3142 | else if (tmpsv && SvOK(tmpsv)) { |
349d4f2f | 3143 | const char *tmps = SvPV_nolen_const(tmpsv); |
7a5fd60d NC |
3144 | if (isDIGIT(*tmps)) |
3145 | fd = atoi(tmps); | |
3146 | else | |
3147 | RETPUSHUNDEF; | |
3148 | } | |
a0d0e21e LW |
3149 | else |
3150 | RETPUSHUNDEF; | |
6ad3d225 | 3151 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3152 | RETPUSHYES; |
3153 | RETPUSHNO; | |
3154 | } | |
3155 | ||
16d20bd9 AD |
3156 | #if defined(atarist) /* this will work with atariST. Configure will |
3157 | make guesses for other systems. */ | |
3158 | # define FILE_base(f) ((f)->_base) | |
3159 | # define FILE_ptr(f) ((f)->_ptr) | |
3160 | # define FILE_cnt(f) ((f)->_cnt) | |
3161 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3162 | #endif |
3163 | ||
3164 | PP(pp_fttext) | |
3165 | { | |
39644a26 | 3166 | dSP; |
a0d0e21e LW |
3167 | I32 i; |
3168 | I32 len; | |
3169 | I32 odd = 0; | |
3170 | STDCHAR tbuf[512]; | |
3171 | register STDCHAR *s; | |
3172 | register IO *io; | |
5f05dabc | 3173 | register SV *sv; |
3174 | GV *gv; | |
146174a9 | 3175 | PerlIO *fp; |
a0d0e21e | 3176 | |
fbb0b3b3 RGS |
3177 | STACKED_FTEST_CHECK; |
3178 | ||
533c011a | 3179 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3180 | gv = cGVOP_gv; |
5f05dabc | 3181 | else if (isGV(TOPs)) |
3182 | gv = (GV*)POPs; | |
3183 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3184 | gv = (GV*)SvRV(POPs); | |
3185 | else | |
3186 | gv = Nullgv; | |
3187 | ||
3188 | if (gv) { | |
a0d0e21e | 3189 | EXTEND(SP, 1); |
3280af22 NIS |
3190 | if (gv == PL_defgv) { |
3191 | if (PL_statgv) | |
3192 | io = GvIO(PL_statgv); | |
a0d0e21e | 3193 | else { |
3280af22 | 3194 | sv = PL_statname; |
a0d0e21e LW |
3195 | goto really_filename; |
3196 | } | |
3197 | } | |
3198 | else { | |
3280af22 NIS |
3199 | PL_statgv = gv; |
3200 | PL_laststatval = -1; | |
c69006e4 | 3201 | sv_setpvn(PL_statname, "", 0); |
3280af22 | 3202 | io = GvIO(PL_statgv); |
a0d0e21e LW |
3203 | } |
3204 | if (io && IoIFP(io)) { | |
5f05dabc | 3205 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3206 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3207 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3208 | if (PL_laststatval < 0) | |
5f05dabc | 3209 | RETPUSHUNDEF; |
9cbac4c7 | 3210 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3211 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3212 | RETPUSHNO; |
3213 | else | |
3214 | RETPUSHYES; | |
9cbac4c7 | 3215 | } |
a20bf0c3 | 3216 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3217 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3218 | if (i != EOF) |
760ac839 | 3219 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3220 | } |
a20bf0c3 | 3221 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3222 | RETPUSHYES; |
a20bf0c3 JH |
3223 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3224 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3225 | /* sfio can have large buffers - limit to 512 */ |
3226 | if (len > 512) | |
3227 | len = 512; | |
a0d0e21e LW |
3228 | } |
3229 | else { | |
2dd78f96 | 3230 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
146174a9 | 3231 | gv = cGVOP_gv; |
2dd78f96 | 3232 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); |
146174a9 | 3233 | } |
93189314 | 3234 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3235 | RETPUSHUNDEF; |
3236 | } | |
3237 | } | |
3238 | else { | |
3239 | sv = POPs; | |
5f05dabc | 3240 | really_filename: |
3280af22 | 3241 | PL_statgv = Nullgv; |
5c9aa243 | 3242 | PL_laststype = OP_STAT; |
d5263905 | 3243 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
aa07b2f6 | 3244 | if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) { |
349d4f2f NC |
3245 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), |
3246 | '\n')) | |
9014280d | 3247 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
a0d0e21e LW |
3248 | RETPUSHUNDEF; |
3249 | } | |
146174a9 CB |
3250 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3251 | if (PL_laststatval < 0) { | |
3252 | (void)PerlIO_close(fp); | |
5f05dabc | 3253 | RETPUSHUNDEF; |
146174a9 | 3254 | } |
60382766 | 3255 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch); |
146174a9 CB |
3256 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3257 | (void)PerlIO_close(fp); | |
a0d0e21e | 3258 | if (len <= 0) { |
533c011a | 3259 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3260 | RETPUSHNO; /* special case NFS directories */ |
3261 | RETPUSHYES; /* null file is anything */ | |
3262 | } | |
3263 | s = tbuf; | |
3264 | } | |
3265 | ||
3266 | /* now scan s to look for textiness */ | |
4633a7c4 | 3267 | /* XXX ASCII dependent code */ |
a0d0e21e | 3268 | |
146174a9 CB |
3269 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3270 | /* ignore trailing ^Z on short files */ | |
3271 | if (len && len < sizeof(tbuf) && tbuf[len-1] == 26) | |
3272 | --len; | |
3273 | #endif | |
3274 | ||
a0d0e21e LW |
3275 | for (i = 0; i < len; i++, s++) { |
3276 | if (!*s) { /* null never allowed in text */ | |
3277 | odd += len; | |
3278 | break; | |
3279 | } | |
9d116dd7 | 3280 | #ifdef EBCDIC |
301e8125 | 3281 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3282 | odd++; |
3283 | #else | |
146174a9 CB |
3284 | else if (*s & 128) { |
3285 | #ifdef USE_LOCALE | |
2de3dbcc | 3286 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3287 | continue; |
3288 | #endif | |
3289 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3290 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3291 | int ulen = UTF8SKIP(s); |
3292 | if (ulen < len - i) { | |
3293 | int j; | |
3294 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3295 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3296 | goto not_utf8; |
3297 | } | |
3298 | --ulen; /* loop does extra increment */ | |
3299 | s += ulen; | |
3300 | i += ulen; | |
3301 | continue; | |
3302 | } | |
3303 | } | |
3304 | not_utf8: | |
3305 | odd++; | |
146174a9 | 3306 | } |
a0d0e21e LW |
3307 | else if (*s < 32 && |
3308 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3309 | *s != '\t' && *s != '\f' && *s != 27) | |
3310 | odd++; | |
9d116dd7 | 3311 | #endif |
a0d0e21e LW |
3312 | } |
3313 | ||
533c011a | 3314 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3315 | RETPUSHNO; |
3316 | else | |
3317 | RETPUSHYES; | |
3318 | } | |
3319 | ||
a0d0e21e LW |
3320 | /* File calls. */ |
3321 | ||
3322 | PP(pp_chdir) | |
3323 | { | |
39644a26 | 3324 | dSP; dTARGET; |
c4aca7d0 | 3325 | const char *tmps = 0; |
9a957fbc | 3326 | GV *gv = NULL; |
a0d0e21e | 3327 | |
c4aca7d0 | 3328 | if( MAXARG == 1 ) { |
9a957fbc | 3329 | SV * const sv = POPs; |
c4aca7d0 GA |
3330 | if (SvTYPE(sv) == SVt_PVGV) { |
3331 | gv = (GV*)sv; | |
3332 | } | |
3333 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
3334 | gv = (GV*)SvRV(sv); | |
3335 | } | |
3336 | else { | |
3337 | tmps = SvPVx_nolen_const(sv); | |
3338 | } | |
3339 | } | |
35ae6b54 | 3340 | |
c4aca7d0 | 3341 | if( !gv && (!tmps || !*tmps) ) { |
9a957fbc AL |
3342 | HV * const table = GvHVn(PL_envgv); |
3343 | SV **svp; | |
3344 | ||
3345 | if ( (svp = hv_fetch(table, "HOME", 4, FALSE)) | |
3346 | || (svp = hv_fetch(table, "LOGDIR", 6, FALSE)) | |
491527d0 | 3347 | #ifdef VMS |
9a957fbc | 3348 | || (svp = hv_fetch(table, "SYS$LOGIN", 9, FALSE)) |
491527d0 | 3349 | #endif |
35ae6b54 MS |
3350 | ) |
3351 | { | |
3352 | if( MAXARG == 1 ) | |
9014280d | 3353 | deprecate("chdir('') or chdir(undef) as chdir()"); |
8c074e2a | 3354 | tmps = SvPV_nolen_const(*svp); |
35ae6b54 | 3355 | } |
72f496dc | 3356 | else { |
389ec635 | 3357 | PUSHi(0); |
b7ab37f8 | 3358 | TAINT_PROPER("chdir"); |
389ec635 MS |
3359 | RETURN; |
3360 | } | |
8ea155d1 | 3361 | } |
8ea155d1 | 3362 | |
a0d0e21e | 3363 | TAINT_PROPER("chdir"); |
c4aca7d0 GA |
3364 | if (gv) { |
3365 | #ifdef HAS_FCHDIR | |
9a957fbc | 3366 | IO* const io = GvIO(gv); |
c4aca7d0 GA |
3367 | if (io) { |
3368 | if (IoIFP(io)) { | |
3369 | PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0); | |
3370 | } | |
3371 | else if (IoDIRP(io)) { | |
3372 | #ifdef HAS_DIRFD | |
3373 | PUSHi(fchdir(dirfd(IoDIRP(io))) >= 0); | |
3374 | #else | |
0f1f2428 | 3375 | DIE(aTHX_ PL_no_func, "dirfd"); |
c4aca7d0 GA |
3376 | #endif |
3377 | } | |
3378 | else { | |
3379 | PUSHi(0); | |
3380 | } | |
3381 | } | |
3382 | else { | |
3383 | PUSHi(0); | |
3384 | } | |
3385 | #else | |
3386 | DIE(aTHX_ PL_no_func, "fchdir"); | |
3387 | #endif | |
3388 | } | |
3389 | else | |
b8ffc8df | 3390 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3391 | #ifdef VMS |
3392 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3393 | * in the future. */ | |
6b88bc9c | 3394 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3395 | #endif |
a0d0e21e LW |
3396 | RETURN; |
3397 | } | |
3398 | ||
3399 | PP(pp_chown) | |
3400 | { | |
76ffd3b9 | 3401 | dSP; dMARK; dTARGET; |
605b9385 | 3402 | const I32 value = (I32)apply(PL_op->op_type, MARK, SP); |
76ffd3b9 | 3403 | |
a0d0e21e LW |
3404 | SP = MARK; |
3405 | PUSHi(value); | |
3406 | RETURN; | |
a0d0e21e LW |
3407 | } |
3408 | ||
3409 | PP(pp_chroot) | |
3410 | { | |
a0d0e21e | 3411 | #ifdef HAS_CHROOT |
76ffd3b9 | 3412 | dSP; dTARGET; |
d05c1ba0 | 3413 | char *tmps = POPpx; |
a0d0e21e LW |
3414 | TAINT_PROPER("chroot"); |
3415 | PUSHi( chroot(tmps) >= 0 ); | |
3416 | RETURN; | |
3417 | #else | |
cea2e8a9 | 3418 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3419 | #endif |
3420 | } | |
3421 | ||
a0d0e21e LW |
3422 | PP(pp_rename) |
3423 | { | |
39644a26 | 3424 | dSP; dTARGET; |
a0d0e21e | 3425 | int anum; |
e62f0680 NC |
3426 | const char *tmps2 = POPpconstx; |
3427 | const char *tmps = SvPV_nolen_const(TOPs); | |
a0d0e21e LW |
3428 | TAINT_PROPER("rename"); |
3429 | #ifdef HAS_RENAME | |
baed7233 | 3430 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3431 | #else |
6b88bc9c | 3432 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3433 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3434 | anum = 1; | |
3435 | else { | |
3654eb6c | 3436 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3437 | (void)UNLINK(tmps2); |
3438 | if (!(anum = link(tmps, tmps2))) | |
3439 | anum = UNLINK(tmps); | |
3440 | } | |
a0d0e21e LW |
3441 | } |
3442 | #endif | |
3443 | SETi( anum >= 0 ); | |
3444 | RETURN; | |
3445 | } | |
3446 | ||
ce6987d0 | 3447 | #if defined(HAS_LINK) || defined(HAS_SYMLINK) |
a0d0e21e LW |
3448 | PP(pp_link) |
3449 | { | |
370f6000 | 3450 | dSP; dTARGET; |
ce6987d0 NC |
3451 | const int op_type = PL_op->op_type; |
3452 | int result; | |
a0d0e21e | 3453 | |
ce6987d0 NC |
3454 | # ifndef HAS_LINK |
3455 | if (op_type == OP_LINK) | |
3456 | DIE(aTHX_ PL_no_func, "link"); | |
3457 | # endif | |
3458 | # ifndef HAS_SYMLINK | |
3459 | if (op_type == OP_SYMLINK) | |
3460 | DIE(aTHX_ PL_no_func, "symlink"); | |
3461 | # endif | |
3462 | ||
3463 | { | |
3464 | const char *tmps2 = POPpconstx; | |
3465 | const char *tmps = SvPV_nolen_const(TOPs); | |
3466 | TAINT_PROPER(PL_op_desc[op_type]); | |
3467 | result = | |
3468 | # if defined(HAS_LINK) | |
3469 | # if defined(HAS_SYMLINK) | |
3470 | /* Both present - need to choose which. */ | |
3471 | (op_type == OP_LINK) ? | |
3472 | PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2); | |
3473 | # else | |
4a8ebb7f SH |
3474 | /* Only have link, so calls to pp_symlink will have DIE()d above. */ |
3475 | PerlLIO_link(tmps, tmps2); | |
ce6987d0 NC |
3476 | # endif |
3477 | # else | |
3478 | # if defined(HAS_SYMLINK) | |
4a8ebb7f SH |
3479 | /* Only have symlink, so calls to pp_link will have DIE()d above. */ |
3480 | symlink(tmps, tmps2); | |
ce6987d0 NC |
3481 | # endif |
3482 | # endif | |
3483 | } | |
3484 | ||
3485 | SETi( result >= 0 ); | |
a0d0e21e | 3486 | RETURN; |
ce6987d0 | 3487 | } |
a0d0e21e | 3488 | #else |
ce6987d0 NC |
3489 | PP(pp_link) |
3490 | { | |
3491 | /* Have neither. */ | |
3492 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 3493 | } |
ce6987d0 | 3494 | #endif |
a0d0e21e LW |
3495 | |
3496 | PP(pp_readlink) | |
3497 | { | |
76ffd3b9 | 3498 | dSP; |
a0d0e21e | 3499 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3500 | dTARGET; |
10516c54 | 3501 | const char *tmps; |
46fc3d4c | 3502 | char buf[MAXPATHLEN]; |
a0d0e21e | 3503 | int len; |
46fc3d4c | 3504 | |
fb73857a | 3505 | #ifndef INCOMPLETE_TAINTS |
3506 | TAINT; | |
3507 | #endif | |
10516c54 | 3508 | tmps = POPpconstx; |
97dcea33 | 3509 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3510 | EXTEND(SP, 1); |
3511 | if (len < 0) | |
3512 | RETPUSHUNDEF; | |
3513 | PUSHp(buf, len); | |
3514 | RETURN; | |
3515 | #else | |
3516 | EXTEND(SP, 1); | |
3517 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3518 | #endif | |
3519 | } | |
3520 | ||
3521 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3522 | STATIC int |
b464bac0 | 3523 | S_dooneliner(pTHX_ const char *cmd, const char *filename) |
a0d0e21e | 3524 | { |
b464bac0 | 3525 | char * const save_filename = filename; |
1e422769 | 3526 | char *cmdline; |
3527 | char *s; | |
760ac839 | 3528 | PerlIO *myfp; |
1e422769 | 3529 | int anum = 1; |
a0d0e21e | 3530 | |
a02a5408 | 3531 | Newx(cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char); |
1e422769 | 3532 | strcpy(cmdline, cmd); |
3533 | strcat(cmdline, " "); | |
3534 | for (s = cmdline + strlen(cmdline); *filename; ) { | |
a0d0e21e LW |
3535 | *s++ = '\\'; |
3536 | *s++ = *filename++; | |
3537 | } | |
3538 | strcpy(s, " 2>&1"); | |
6ad3d225 | 3539 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3540 | Safefree(cmdline); |
3541 | ||
a0d0e21e | 3542 | if (myfp) { |
1e422769 | 3543 | SV *tmpsv = sv_newmortal(); |
6b88bc9c | 3544 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3545 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3546 | (void)PerlProc_pclose(myfp); |
a0d0e21e | 3547 | if (s != Nullch) { |
1e422769 | 3548 | int e; |
3549 | for (e = 1; | |
a0d0e21e | 3550 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3551 | e <= sys_nerr |
3552 | #endif | |
3553 | ; e++) | |
3554 | { | |
3555 | /* you don't see this */ | |
3556 | char *errmsg = | |
3557 | #ifdef HAS_SYS_ERRLIST | |
3558 | sys_errlist[e] | |
a0d0e21e | 3559 | #else |
1e422769 | 3560 | strerror(e) |
a0d0e21e | 3561 | #endif |
1e422769 | 3562 | ; |
3563 | if (!errmsg) | |
3564 | break; | |
3565 | if (instr(s, errmsg)) { | |
3566 | SETERRNO(e,0); | |
3567 | return 0; | |
3568 | } | |
a0d0e21e | 3569 | } |
748a9306 | 3570 | SETERRNO(0,0); |
a0d0e21e LW |
3571 | #ifndef EACCES |
3572 | #define EACCES EPERM | |
3573 | #endif | |
1e422769 | 3574 | if (instr(s, "cannot make")) |
93189314 | 3575 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3576 | else if (instr(s, "existing file")) |
93189314 | 3577 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3578 | else if (instr(s, "ile exists")) |
93189314 | 3579 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3580 | else if (instr(s, "non-exist")) |
93189314 | 3581 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3582 | else if (instr(s, "does not exist")) |
93189314 | 3583 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3584 | else if (instr(s, "not empty")) |
93189314 | 3585 | SETERRNO(EBUSY,SS_DEVOFFLINE); |
1e422769 | 3586 | else if (instr(s, "cannot access")) |
93189314 | 3587 | SETERRNO(EACCES,RMS_PRV); |
a0d0e21e | 3588 | else |
93189314 | 3589 | SETERRNO(EPERM,RMS_PRV); |
a0d0e21e LW |
3590 | return 0; |
3591 | } | |
3592 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3593 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3594 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3595 | anum = !anum; |
3596 | if (anum) | |
748a9306 | 3597 | SETERRNO(0,0); |
a0d0e21e | 3598 | else |
93189314 | 3599 | SETERRNO(EACCES,RMS_PRV); /* a guess */ |
a0d0e21e LW |
3600 | } |
3601 | return anum; | |
3602 | } | |
3603 | else | |
3604 | return 0; | |
3605 | } | |
3606 | #endif | |
3607 | ||
0c54f65b RGS |
3608 | /* This macro removes trailing slashes from a directory name. |
3609 | * Different operating and file systems take differently to | |
3610 | * trailing slashes. According to POSIX 1003.1 1996 Edition | |
3611 | * any number of trailing slashes should be allowed. | |
3612 | * Thusly we snip them away so that even non-conforming | |
3613 | * systems are happy. | |
3614 | * We should probably do this "filtering" for all | |
3615 | * the functions that expect (potentially) directory names: | |
3616 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3617 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3618 | ||
5c144d81 | 3619 | #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \ |
0c54f65b RGS |
3620 | if ((len) > 1 && (tmps)[(len)-1] == '/') { \ |
3621 | do { \ | |
3622 | (len)--; \ | |
3623 | } while ((len) > 1 && (tmps)[(len)-1] == '/'); \ | |
3624 | (tmps) = savepvn((tmps), (len)); \ | |
3625 | (copy) = TRUE; \ | |
3626 | } | |
3627 | ||
a0d0e21e LW |
3628 | PP(pp_mkdir) |
3629 | { | |
39644a26 | 3630 | dSP; dTARGET; |
5a211162 | 3631 | int mode; |
a0d0e21e LW |
3632 | #ifndef HAS_MKDIR |
3633 | int oldumask; | |
3634 | #endif | |
df25ddba | 3635 | STRLEN len; |
5c144d81 | 3636 | const char *tmps; |
df25ddba | 3637 | bool copy = FALSE; |
5a211162 GS |
3638 | |
3639 | if (MAXARG > 1) | |
3640 | mode = POPi; | |
3641 | else | |
3642 | mode = 0777; | |
3643 | ||
0c54f65b | 3644 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3645 | |
3646 | TAINT_PROPER("mkdir"); | |
3647 | #ifdef HAS_MKDIR | |
b8ffc8df | 3648 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e LW |
3649 | #else |
3650 | SETi( dooneliner("mkdir", tmps) ); | |
6ad3d225 GS |
3651 | oldumask = PerlLIO_umask(0); |
3652 | PerlLIO_umask(oldumask); | |
3653 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
a0d0e21e | 3654 | #endif |
df25ddba JH |
3655 | if (copy) |
3656 | Safefree(tmps); | |
a0d0e21e LW |
3657 | RETURN; |
3658 | } | |
3659 | ||
3660 | PP(pp_rmdir) | |
3661 | { | |
39644a26 | 3662 | dSP; dTARGET; |
0c54f65b | 3663 | STRLEN len; |
5c144d81 | 3664 | const char *tmps; |
0c54f65b | 3665 | bool copy = FALSE; |
a0d0e21e | 3666 | |
0c54f65b | 3667 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3668 | TAINT_PROPER("rmdir"); |
3669 | #ifdef HAS_RMDIR | |
b8ffc8df | 3670 | SETi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e | 3671 | #else |
0c54f65b | 3672 | SETi( dooneliner("rmdir", tmps) ); |
a0d0e21e | 3673 | #endif |
0c54f65b RGS |
3674 | if (copy) |
3675 | Safefree(tmps); | |
a0d0e21e LW |
3676 | RETURN; |
3677 | } | |
3678 | ||
3679 | /* Directory calls. */ | |
3680 | ||
3681 | PP(pp_open_dir) | |
3682 | { | |
a0d0e21e | 3683 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3684 | dSP; |
10516c54 | 3685 | const char *dirname = POPpconstx; |
1e2c6ed7 JH |
3686 | GV *gv = (GV*)POPs; |
3687 | register IO *io = GvIOn(gv); | |
a0d0e21e LW |
3688 | |
3689 | if (!io) | |
3690 | goto nope; | |
3691 | ||
3692 | if (IoDIRP(io)) | |
6ad3d225 | 3693 | PerlDir_close(IoDIRP(io)); |
b8ffc8df | 3694 | if (!(IoDIRP(io) = PerlDir_open(dirname))) |
a0d0e21e LW |
3695 | goto nope; |
3696 | ||
3697 | RETPUSHYES; | |
3698 | nope: | |
3699 | if (!errno) | |
93189314 | 3700 | SETERRNO(EBADF,RMS_DIR); |
a0d0e21e LW |
3701 | RETPUSHUNDEF; |
3702 | #else | |
cea2e8a9 | 3703 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3704 | #endif |
3705 | } | |
3706 | ||
3707 | PP(pp_readdir) | |
3708 | { | |
34b7f128 AMS |
3709 | #if !defined(Direntry_t) || !defined(HAS_READDIR) |
3710 | DIE(aTHX_ PL_no_dir_func, "readdir"); | |
3711 | #else | |
fd8cd3a3 | 3712 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3713 | Direntry_t *readdir (DIR *); |
a0d0e21e | 3714 | #endif |
34b7f128 AMS |
3715 | dSP; |
3716 | ||
3717 | SV *sv; | |
f54cb97a | 3718 | const I32 gimme = GIMME; |
34b7f128 | 3719 | GV *gv = (GV *)POPs; |
a0d0e21e | 3720 | register Direntry_t *dp; |
a0d0e21e LW |
3721 | register IO *io = GvIOn(gv); |
3722 | ||
3723 | if (!io || !IoDIRP(io)) | |
3724 | goto nope; | |
3725 | ||
34b7f128 AMS |
3726 | do { |
3727 | dp = (Direntry_t *)PerlDir_read(IoDIRP(io)); | |
3728 | if (!dp) | |
3729 | break; | |
a0d0e21e | 3730 | #ifdef DIRNAMLEN |
34b7f128 | 3731 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3732 | #else |
34b7f128 | 3733 | sv = newSVpv(dp->d_name, 0); |
fb73857a | 3734 | #endif |
3735 | #ifndef INCOMPLETE_TAINTS | |
34b7f128 AMS |
3736 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3737 | SvTAINTED_on(sv); | |
a0d0e21e | 3738 | #endif |
34b7f128 | 3739 | XPUSHs(sv_2mortal(sv)); |
a0d0e21e | 3740 | } |
34b7f128 AMS |
3741 | while (gimme == G_ARRAY); |
3742 | ||
3743 | if (!dp && gimme != G_ARRAY) | |
3744 | goto nope; | |
3745 | ||
a0d0e21e LW |
3746 | RETURN; |
3747 | ||
3748 | nope: | |
3749 | if (!errno) | |
93189314 | 3750 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3751 | if (GIMME == G_ARRAY) |
3752 | RETURN; | |
3753 | else | |
3754 | RETPUSHUNDEF; | |
a0d0e21e LW |
3755 | #endif |
3756 | } | |
3757 | ||
3758 | PP(pp_telldir) | |
3759 | { | |
a0d0e21e | 3760 | #if defined(HAS_TELLDIR) || defined(telldir) |
27da23d5 | 3761 | dVAR; dSP; dTARGET; |
968dcd91 JH |
3762 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3763 | /* XXX netbsd still seemed to. | |
3764 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3765 | --JHI 1999-Feb-02 */ | |
3766 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3767 | long telldir (DIR *); |
dfe9444c | 3768 | # endif |
a0d0e21e LW |
3769 | GV *gv = (GV*)POPs; |
3770 | register IO *io = GvIOn(gv); | |
3771 | ||
3772 | if (!io || !IoDIRP(io)) | |
3773 | goto nope; | |
3774 | ||
6ad3d225 | 3775 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3776 | RETURN; |
3777 | nope: | |
3778 | if (!errno) | |
93189314 | 3779 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3780 | RETPUSHUNDEF; |
3781 | #else | |
cea2e8a9 | 3782 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3783 | #endif |
3784 | } | |
3785 | ||
3786 | PP(pp_seekdir) | |
3787 | { | |
a0d0e21e | 3788 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
9cad6237 | 3789 | dSP; |
a0d0e21e LW |
3790 | long along = POPl; |
3791 | GV *gv = (GV*)POPs; | |
3792 | register IO *io = GvIOn(gv); | |
3793 | ||
3794 | if (!io || !IoDIRP(io)) | |
3795 | goto nope; | |
3796 | ||
6ad3d225 | 3797 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3798 | |
3799 | RETPUSHYES; | |
3800 | nope: | |
3801 | if (!errno) | |
93189314 | 3802 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3803 | RETPUSHUNDEF; |
3804 | #else | |
cea2e8a9 | 3805 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3806 | #endif |
3807 | } | |
3808 | ||
3809 | PP(pp_rewinddir) | |
3810 | { | |
a0d0e21e | 3811 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
9cad6237 | 3812 | dSP; |
a0d0e21e LW |
3813 | GV *gv = (GV*)POPs; |
3814 | register IO *io = GvIOn(gv); | |
3815 | ||
3816 | if (!io || !IoDIRP(io)) | |
3817 | goto nope; | |
3818 | ||
6ad3d225 | 3819 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3820 | RETPUSHYES; |
3821 | nope: | |
3822 | if (!errno) | |
93189314 | 3823 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3824 | RETPUSHUNDEF; |
3825 | #else | |
cea2e8a9 | 3826 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3827 | #endif |
3828 | } | |
3829 | ||
3830 | PP(pp_closedir) | |
3831 | { | |
a0d0e21e | 3832 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3833 | dSP; |
a0d0e21e LW |
3834 | GV *gv = (GV*)POPs; |
3835 | register IO *io = GvIOn(gv); | |
3836 | ||
3837 | if (!io || !IoDIRP(io)) | |
3838 | goto nope; | |
3839 | ||
3840 | #ifdef VOID_CLOSEDIR | |
6ad3d225 | 3841 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3842 | #else |
6ad3d225 | 3843 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3844 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3845 | goto nope; |
748a9306 | 3846 | } |
a0d0e21e LW |
3847 | #endif |
3848 | IoDIRP(io) = 0; | |
3849 | ||
3850 | RETPUSHYES; | |
3851 | nope: | |
3852 | if (!errno) | |
93189314 | 3853 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3854 | RETPUSHUNDEF; |
3855 | #else | |
cea2e8a9 | 3856 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
3857 | #endif |
3858 | } | |
3859 | ||
3860 | /* Process control. */ | |
3861 | ||
3862 | PP(pp_fork) | |
3863 | { | |
44a8e56a | 3864 | #ifdef HAS_FORK |
39644a26 | 3865 | dSP; dTARGET; |
761237fe | 3866 | Pid_t childpid; |
a0d0e21e LW |
3867 | GV *tmpgv; |
3868 | ||
3869 | EXTEND(SP, 1); | |
45bc9206 | 3870 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 3871 | childpid = PerlProc_fork(); |
a0d0e21e LW |
3872 | if (childpid < 0) |
3873 | RETSETUNDEF; | |
3874 | if (!childpid) { | |
306196c3 MS |
3875 | if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) { |
3876 | SvREADONLY_off(GvSV(tmpgv)); | |
146174a9 | 3877 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3878 | SvREADONLY_on(GvSV(tmpgv)); |
3879 | } | |
4d76a344 RGS |
3880 | #ifdef THREADS_HAVE_PIDS |
3881 | PL_ppid = (IV)getppid(); | |
3882 | #endif | |
ca0c25f6 | 3883 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 3884 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
ca0c25f6 | 3885 | #endif |
a0d0e21e LW |
3886 | } |
3887 | PUSHi(childpid); | |
3888 | RETURN; | |
3889 | #else | |
146174a9 | 3890 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 3891 | dSP; dTARGET; |
146174a9 CB |
3892 | Pid_t childpid; |
3893 | ||
3894 | EXTEND(SP, 1); | |
3895 | PERL_FLUSHALL_FOR_CHILD; | |
3896 | childpid = PerlProc_fork(); | |
60fa28ff GS |
3897 | if (childpid == -1) |
3898 | RETSETUNDEF; | |
146174a9 CB |
3899 | PUSHi(childpid); |
3900 | RETURN; | |
3901 | # else | |
0322a713 | 3902 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 3903 | # endif |
a0d0e21e LW |
3904 | #endif |
3905 | } | |
3906 | ||
3907 | PP(pp_wait) | |
3908 | { | |
301e8125 | 3909 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3910 | dSP; dTARGET; |
761237fe | 3911 | Pid_t childpid; |
a0d0e21e | 3912 | int argflags; |
a0d0e21e | 3913 | |
4ffa73a3 JH |
3914 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
3915 | childpid = wait4pid(-1, &argflags, 0); | |
3916 | else { | |
3917 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && | |
3918 | errno == EINTR) { | |
3919 | PERL_ASYNC_CHECK(); | |
3920 | } | |
0a0ada86 | 3921 | } |
68a29c53 GS |
3922 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3923 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 3924 | STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1); |
68a29c53 | 3925 | # else |
2fbb330f | 3926 | STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 3927 | # endif |
44a8e56a | 3928 | XPUSHi(childpid); |
a0d0e21e LW |
3929 | RETURN; |
3930 | #else | |
0322a713 | 3931 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
3932 | #endif |
3933 | } | |
3934 | ||
3935 | PP(pp_waitpid) | |
3936 | { | |
301e8125 | 3937 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3938 | dSP; dTARGET; |
2ec0bfb3 SG |
3939 | Pid_t pid; |
3940 | Pid_t result; | |
a0d0e21e LW |
3941 | int optype; |
3942 | int argflags; | |
a0d0e21e | 3943 | |
a0d0e21e | 3944 | optype = POPi; |
2ec0bfb3 | 3945 | pid = TOPi; |
4ffa73a3 | 3946 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
2ec0bfb3 | 3947 | result = wait4pid(pid, &argflags, optype); |
4ffa73a3 | 3948 | else { |
2ec0bfb3 | 3949 | while ((result = wait4pid(pid, &argflags, optype)) == -1 && |
4ffa73a3 JH |
3950 | errno == EINTR) { |
3951 | PERL_ASYNC_CHECK(); | |
3952 | } | |
0a0ada86 | 3953 | } |
68a29c53 GS |
3954 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3955 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 3956 | STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1); |
68a29c53 | 3957 | # else |
2fbb330f | 3958 | STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1); |
68a29c53 | 3959 | # endif |
2ec0bfb3 | 3960 | SETi(result); |
a0d0e21e LW |
3961 | RETURN; |
3962 | #else | |
0322a713 | 3963 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
3964 | #endif |
3965 | } | |
3966 | ||
3967 | PP(pp_system) | |
3968 | { | |
39644a26 | 3969 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3970 | I32 value; |
76ffd3b9 | 3971 | int result; |
a0d0e21e | 3972 | |
bbd7eb8a RD |
3973 | if (PL_tainting) { |
3974 | TAINT_ENV(); | |
3975 | while (++MARK <= SP) { | |
10516c54 | 3976 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 3977 | if (PL_tainted) |
bbd7eb8a RD |
3978 | break; |
3979 | } | |
3980 | MARK = ORIGMARK; | |
5a445156 | 3981 | TAINT_PROPER("system"); |
a0d0e21e | 3982 | } |
45bc9206 | 3983 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 3984 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 | 3985 | { |
eb160463 GS |
3986 | Pid_t childpid; |
3987 | int pp[2]; | |
27da23d5 | 3988 | I32 did_pipes = 0; |
eb160463 GS |
3989 | |
3990 | if (PerlProc_pipe(pp) >= 0) | |
3991 | did_pipes = 1; | |
3992 | while ((childpid = PerlProc_fork()) == -1) { | |
3993 | if (errno != EAGAIN) { | |
3994 | value = -1; | |
3995 | SP = ORIGMARK; | |
3996 | PUSHi(value); | |
3997 | if (did_pipes) { | |
3998 | PerlLIO_close(pp[0]); | |
3999 | PerlLIO_close(pp[1]); | |
4000 | } | |
4001 | RETURN; | |
4002 | } | |
4003 | sleep(5); | |
4004 | } | |
4005 | if (childpid > 0) { | |
4006 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
4007 | int status; | |
4008 | ||
4009 | if (did_pipes) | |
4010 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4011 | #ifndef PERL_MICRO |
8aad04aa JH |
4012 | rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand); |
4013 | rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand); | |
64ca3a65 | 4014 | #endif |
eb160463 GS |
4015 | do { |
4016 | result = wait4pid(childpid, &status, 0); | |
4017 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4018 | #ifndef PERL_MICRO |
eb160463 GS |
4019 | (void)rsignal_restore(SIGINT, &ihand); |
4020 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4021 | #endif | |
37038d91 | 4022 | STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status); |
eb160463 GS |
4023 | do_execfree(); /* free any memory child malloced on fork */ |
4024 | SP = ORIGMARK; | |
4025 | if (did_pipes) { | |
4026 | int errkid; | |
4027 | int n = 0, n1; | |
4028 | ||
4029 | while (n < sizeof(int)) { | |
4030 | n1 = PerlLIO_read(pp[0], | |
4031 | (void*)(((char*)&errkid)+n), | |
4032 | (sizeof(int)) - n); | |
4033 | if (n1 <= 0) | |
4034 | break; | |
4035 | n += n1; | |
4036 | } | |
4037 | PerlLIO_close(pp[0]); | |
4038 | if (n) { /* Error */ | |
4039 | if (n != sizeof(int)) | |
4040 | DIE(aTHX_ "panic: kid popen errno read"); | |
4041 | errno = errkid; /* Propagate errno from kid */ | |
37038d91 | 4042 | STATUS_NATIVE_CHILD_SET(-1); |
eb160463 GS |
4043 | } |
4044 | } | |
4045 | PUSHi(STATUS_CURRENT); | |
4046 | RETURN; | |
4047 | } | |
4048 | if (did_pipes) { | |
4049 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4050 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
eb160463 | 4051 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4052 | #endif |
eb160463 | 4053 | } |
e0a1f643 JH |
4054 | if (PL_op->op_flags & OPf_STACKED) { |
4055 | SV *really = *++MARK; | |
4056 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); | |
4057 | } | |
4058 | else if (SP - MARK != 1) | |
4059 | value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes); | |
4060 | else { | |
8c074e2a | 4061 | value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes); |
e0a1f643 JH |
4062 | } |
4063 | PerlProc__exit(-1); | |
d5a9bfb0 | 4064 | } |
c3293030 | 4065 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4066 | PL_statusvalue = 0; |
4067 | result = 0; | |
911d147d | 4068 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 4069 | SV *really = *++MARK; |
a0fd4948 | 4070 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) |
54725af6 GS |
4071 | value = (I32)do_aspawn(really, MARK, SP); |
4072 | # else | |
c5be433b | 4073 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
54725af6 | 4074 | # endif |
a0d0e21e | 4075 | } |
54725af6 | 4076 | else if (SP - MARK != 1) { |
a0fd4948 | 4077 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) |
54725af6 GS |
4078 | value = (I32)do_aspawn(Nullsv, MARK, SP); |
4079 | # else | |
c5be433b | 4080 | value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP); |
54725af6 GS |
4081 | # endif |
4082 | } | |
a0d0e21e | 4083 | else { |
8c074e2a | 4084 | value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4085 | } |
922b1888 GS |
4086 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4087 | result = 1; | |
2fbb330f | 4088 | STATUS_NATIVE_CHILD_SET(value); |
a0d0e21e LW |
4089 | do_execfree(); |
4090 | SP = ORIGMARK; | |
922b1888 | 4091 | PUSHi(result ? value : STATUS_CURRENT); |
a0d0e21e LW |
4092 | #endif /* !FORK or VMS */ |
4093 | RETURN; | |
4094 | } | |
4095 | ||
4096 | PP(pp_exec) | |
4097 | { | |
39644a26 | 4098 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4099 | I32 value; |
4100 | ||
bbd7eb8a RD |
4101 | if (PL_tainting) { |
4102 | TAINT_ENV(); | |
4103 | while (++MARK <= SP) { | |
10516c54 | 4104 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 4105 | if (PL_tainted) |
bbd7eb8a RD |
4106 | break; |
4107 | } | |
4108 | MARK = ORIGMARK; | |
5a445156 | 4109 | TAINT_PROPER("exec"); |
bbd7eb8a | 4110 | } |
45bc9206 | 4111 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4112 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e LW |
4113 | SV *really = *++MARK; |
4114 | value = (I32)do_aexec(really, MARK, SP); | |
4115 | } | |
4116 | else if (SP - MARK != 1) | |
4117 | #ifdef VMS | |
4118 | value = (I32)vms_do_aexec(Nullsv, MARK, SP); | |
4119 | #else | |
092bebab JH |
4120 | # ifdef __OPEN_VM |
4121 | { | |
c5be433b | 4122 | (void ) do_aspawn(Nullsv, MARK, SP); |
092bebab JH |
4123 | value = 0; |
4124 | } | |
4125 | # else | |
a0d0e21e | 4126 | value = (I32)do_aexec(Nullsv, MARK, SP); |
092bebab | 4127 | # endif |
a0d0e21e LW |
4128 | #endif |
4129 | else { | |
a0d0e21e | 4130 | #ifdef VMS |
8c074e2a | 4131 | value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4132 | #else |
092bebab | 4133 | # ifdef __OPEN_VM |
8c074e2a | 4134 | (void) do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab JH |
4135 | value = 0; |
4136 | # else | |
8c074e2a | 4137 | value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab | 4138 | # endif |
a0d0e21e LW |
4139 | #endif |
4140 | } | |
146174a9 | 4141 | |
a0d0e21e LW |
4142 | SP = ORIGMARK; |
4143 | PUSHi(value); | |
4144 | RETURN; | |
4145 | } | |
4146 | ||
a0d0e21e LW |
4147 | PP(pp_getppid) |
4148 | { | |
4149 | #ifdef HAS_GETPPID | |
39644a26 | 4150 | dSP; dTARGET; |
4d76a344 | 4151 | # ifdef THREADS_HAVE_PIDS |
e39f92a7 RGS |
4152 | if (PL_ppid != 1 && getppid() == 1) |
4153 | /* maybe the parent process has died. Refresh ppid cache */ | |
4154 | PL_ppid = 1; | |
4d76a344 RGS |
4155 | XPUSHi( PL_ppid ); |
4156 | # else | |
a0d0e21e | 4157 | XPUSHi( getppid() ); |
4d76a344 | 4158 | # endif |
a0d0e21e LW |
4159 | RETURN; |
4160 | #else | |
cea2e8a9 | 4161 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4162 | #endif |
4163 | } | |
4164 | ||
4165 | PP(pp_getpgrp) | |
4166 | { | |
4167 | #ifdef HAS_GETPGRP | |
39644a26 | 4168 | dSP; dTARGET; |
d8a83dd3 | 4169 | Pid_t pid; |
9853a804 | 4170 | Pid_t pgrp; |
a0d0e21e LW |
4171 | |
4172 | if (MAXARG < 1) | |
4173 | pid = 0; | |
4174 | else | |
4175 | pid = SvIVx(POPs); | |
c3293030 | 4176 | #ifdef BSD_GETPGRP |
9853a804 | 4177 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4178 | #else |
146174a9 | 4179 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4180 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4181 | pgrp = getpgrp(); |
a0d0e21e | 4182 | #endif |
9853a804 | 4183 | XPUSHi(pgrp); |
a0d0e21e LW |
4184 | RETURN; |
4185 | #else | |
cea2e8a9 | 4186 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4187 | #endif |
4188 | } | |
4189 | ||
4190 | PP(pp_setpgrp) | |
4191 | { | |
4192 | #ifdef HAS_SETPGRP | |
39644a26 | 4193 | dSP; dTARGET; |
d8a83dd3 JH |
4194 | Pid_t pgrp; |
4195 | Pid_t pid; | |
a0d0e21e LW |
4196 | if (MAXARG < 2) { |
4197 | pgrp = 0; | |
4198 | pid = 0; | |
4199 | } | |
4200 | else { | |
4201 | pgrp = POPi; | |
4202 | pid = TOPi; | |
4203 | } | |
4204 | ||
4205 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4206 | #ifdef BSD_SETPGRP |
4207 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4208 | #else |
146174a9 CB |
4209 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4210 | || (pid != 0 && pid != PerlProc_getpid())) | |
4211 | { | |
4212 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4213 | } | |
a0d0e21e LW |
4214 | SETi( setpgrp() >= 0 ); |
4215 | #endif /* USE_BSDPGRP */ | |
4216 | RETURN; | |
4217 | #else | |
cea2e8a9 | 4218 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4219 | #endif |
4220 | } | |
4221 | ||
4222 | PP(pp_getpriority) | |
4223 | { | |
a0d0e21e | 4224 | #ifdef HAS_GETPRIORITY |
9cad6237 | 4225 | dSP; dTARGET; |
d05c1ba0 JH |
4226 | int who = POPi; |
4227 | int which = TOPi; | |
a0d0e21e LW |
4228 | SETi( getpriority(which, who) ); |
4229 | RETURN; | |
4230 | #else | |
cea2e8a9 | 4231 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4232 | #endif |
4233 | } | |
4234 | ||
4235 | PP(pp_setpriority) | |
4236 | { | |
a0d0e21e | 4237 | #ifdef HAS_SETPRIORITY |
9cad6237 | 4238 | dSP; dTARGET; |
d05c1ba0 JH |
4239 | int niceval = POPi; |
4240 | int who = POPi; | |
4241 | int which = TOPi; | |
a0d0e21e LW |
4242 | TAINT_PROPER("setpriority"); |
4243 | SETi( setpriority(which, who, niceval) >= 0 ); | |
4244 | RETURN; | |
4245 | #else | |
cea2e8a9 | 4246 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4247 | #endif |
4248 | } | |
4249 | ||
4250 | /* Time calls. */ | |
4251 | ||
4252 | PP(pp_time) | |
4253 | { | |
39644a26 | 4254 | dSP; dTARGET; |
cbdc8872 | 4255 | #ifdef BIG_TIME |
4256 | XPUSHn( time(Null(Time_t*)) ); | |
4257 | #else | |
a0d0e21e | 4258 | XPUSHi( time(Null(Time_t*)) ); |
cbdc8872 | 4259 | #endif |
a0d0e21e LW |
4260 | RETURN; |
4261 | } | |
4262 | ||
a0d0e21e LW |
4263 | PP(pp_tms) |
4264 | { | |
9cad6237 | 4265 | #ifdef HAS_TIMES |
39644a26 | 4266 | dSP; |
a0d0e21e | 4267 | EXTEND(SP, 4); |
a0d0e21e | 4268 | #ifndef VMS |
3280af22 | 4269 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4270 | #else |
6b88bc9c | 4271 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4272 | /* struct tms, though same data */ |
4273 | /* is returned. */ | |
a0d0e21e LW |
4274 | #endif |
4275 | ||
5311654c | 4276 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick))); |
a0d0e21e | 4277 | if (GIMME == G_ARRAY) { |
5311654c JH |
4278 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick))); |
4279 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick))); | |
4280 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick))); | |
a0d0e21e LW |
4281 | } |
4282 | RETURN; | |
9cad6237 | 4283 | #else |
2f42fcb0 JH |
4284 | # ifdef PERL_MICRO |
4285 | dSP; | |
4286 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4287 | EXTEND(SP, 4); | |
4288 | if (GIMME == G_ARRAY) { | |
4289 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4290 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4291 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4292 | } | |
4293 | RETURN; | |
4294 | # else | |
9cad6237 | 4295 | DIE(aTHX_ "times not implemented"); |
2f42fcb0 | 4296 | # endif |
55497cff | 4297 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4298 | } |
4299 | ||
a4323dee | 4300 | #ifdef LOCALTIME_EDGECASE_BROKEN |
89261a6c | 4301 | static struct tm *S_my_localtime (pTHX_ Time_t *tp) |
a4323dee MB |
4302 | { |
4303 | auto time_t T; | |
4304 | auto struct tm *P; | |
4305 | ||
4306 | /* No workarounds in the valid range */ | |
4307 | if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000) | |
4308 | return (localtime (tp)); | |
4309 | ||
4310 | /* This edge case is to workaround the undefined behaviour, where the | |
4311 | * TIMEZONE makes the time go beyond the defined range. | |
4312 | * gmtime (0x7fffffff) => 2038-01-19 03:14:07 | |
4313 | * If there is a negative offset in TZ, like MET-1METDST, some broken | |
4314 | * implementations of localtime () (like AIX 5.2) barf with bogus | |
4315 | * return values: | |
4316 | * 0x7fffffff gmtime 2038-01-19 03:14:07 | |
4317 | * 0x7fffffff localtime 1901-12-13 21:45:51 | |
4318 | * 0x7fffffff mylocaltime 2038-01-19 04:14:07 | |
4319 | * 0x3c19137f gmtime 2001-12-13 20:45:51 | |
4320 | * 0x3c19137f localtime 2001-12-13 21:45:51 | |
4321 | * 0x3c19137f mylocaltime 2001-12-13 21:45:51 | |
4322 | * Given that legal timezones are typically between GMT-12 and GMT+12 | |
4323 | * we turn back the clock 23 hours before calling the localtime | |
4324 | * function, and add those to the return value. This will never cause | |
3574fba9 | 4325 | * day wrapping problems, since the edge case is Tue Jan *19* |
a4323dee MB |
4326 | */ |
4327 | T = *tp - 82800; /* 23 hour. allows up to GMT-23 */ | |
4328 | P = localtime (&T); | |
4329 | P->tm_hour += 23; | |
4330 | if (P->tm_hour >= 24) { | |
4331 | P->tm_hour -= 24; | |
3574fba9 CW |
4332 | P->tm_mday++; /* 18 -> 19 */ |
4333 | P->tm_wday++; /* Mon -> Tue */ | |
4334 | P->tm_yday++; /* 18 -> 19 */ | |
a4323dee MB |
4335 | } |
4336 | return (P); | |
4337 | } /* S_my_localtime */ | |
4338 | #endif | |
4339 | ||
a0d0e21e LW |
4340 | PP(pp_gmtime) |
4341 | { | |
39644a26 | 4342 | dSP; |
a0d0e21e | 4343 | Time_t when; |
bfed75c6 | 4344 | const struct tm *tmbuf; |
27da23d5 JH |
4345 | static const char * const dayname[] = |
4346 | {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4347 | static const char * const monname[] = | |
4348 | {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4349 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
a0d0e21e LW |
4350 | |
4351 | if (MAXARG < 1) | |
4352 | (void)time(&when); | |
4353 | else | |
cbdc8872 | 4354 | #ifdef BIG_TIME |
4355 | when = (Time_t)SvNVx(POPs); | |
4356 | #else | |
a0d0e21e | 4357 | when = (Time_t)SvIVx(POPs); |
cbdc8872 | 4358 | #endif |
a0d0e21e | 4359 | |
533c011a | 4360 | if (PL_op->op_type == OP_LOCALTIME) |
a4323dee | 4361 | #ifdef LOCALTIME_EDGECASE_BROKEN |
89261a6c | 4362 | tmbuf = S_my_localtime(aTHX_ &when); |
a4323dee | 4363 | #else |
a0d0e21e | 4364 | tmbuf = localtime(&when); |
a4323dee | 4365 | #endif |
a0d0e21e LW |
4366 | else |
4367 | tmbuf = gmtime(&when); | |
4368 | ||
a0d0e21e | 4369 | if (GIMME != G_ARRAY) { |
46fc3d4c | 4370 | SV *tsv; |
9a5ff6d9 AB |
4371 | EXTEND(SP, 1); |
4372 | EXTEND_MORTAL(1); | |
a0d0e21e LW |
4373 | if (!tmbuf) |
4374 | RETPUSHUNDEF; | |
be28567c | 4375 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", |
f5a29b03 RB |
4376 | dayname[tmbuf->tm_wday], |
4377 | monname[tmbuf->tm_mon], | |
be28567c GS |
4378 | tmbuf->tm_mday, |
4379 | tmbuf->tm_hour, | |
4380 | tmbuf->tm_min, | |
4381 | tmbuf->tm_sec, | |
4382 | tmbuf->tm_year + 1900); | |
46fc3d4c | 4383 | PUSHs(sv_2mortal(tsv)); |
a0d0e21e LW |
4384 | } |
4385 | else if (tmbuf) { | |
9a5ff6d9 AB |
4386 | EXTEND(SP, 9); |
4387 | EXTEND_MORTAL(9); | |
4388 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); | |
c6419e06 JH |
4389 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); |
4390 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); | |
4391 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); | |
4392 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); | |
4393 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); | |
4394 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); | |
4395 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); | |
4396 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); | |
a0d0e21e LW |
4397 | } |
4398 | RETURN; | |
4399 | } | |
4400 | ||
4401 | PP(pp_alarm) | |
4402 | { | |
9cad6237 | 4403 | #ifdef HAS_ALARM |
39644a26 | 4404 | dSP; dTARGET; |
a0d0e21e | 4405 | int anum; |
a0d0e21e LW |
4406 | anum = POPi; |
4407 | anum = alarm((unsigned int)anum); | |
4408 | EXTEND(SP, 1); | |
4409 | if (anum < 0) | |
4410 | RETPUSHUNDEF; | |
c6419e06 | 4411 | PUSHi(anum); |
a0d0e21e LW |
4412 | RETURN; |
4413 | #else | |
0322a713 | 4414 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4415 | #endif |
4416 | } | |
4417 | ||
4418 | PP(pp_sleep) | |
4419 | { | |
39644a26 | 4420 | dSP; dTARGET; |
a0d0e21e LW |
4421 | I32 duration; |
4422 | Time_t lasttime; | |
4423 | Time_t when; | |
4424 | ||
4425 | (void)time(&lasttime); | |
4426 | if (MAXARG < 1) | |
76e3520e | 4427 | PerlProc_pause(); |
a0d0e21e LW |
4428 | else { |
4429 | duration = POPi; | |
76e3520e | 4430 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4431 | } |
4432 | (void)time(&when); | |
4433 | XPUSHi(when - lasttime); | |
4434 | RETURN; | |
4435 | } | |
4436 | ||
4437 | /* Shared memory. */ | |
c9f7ac20 | 4438 | /* Merged with some message passing. */ |
a0d0e21e | 4439 | |
a0d0e21e LW |
4440 | PP(pp_shmwrite) |
4441 | { | |
4442 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4443 | dSP; dMARK; dTARGET; |
c9f7ac20 NC |
4444 | const int op_type = PL_op->op_type; |
4445 | I32 value; | |
a0d0e21e | 4446 | |
c9f7ac20 NC |
4447 | switch (op_type) { |
4448 | case OP_MSGSND: | |
4449 | value = (I32)(do_msgsnd(MARK, SP) >= 0); | |
4450 | break; | |
4451 | case OP_MSGRCV: | |
4452 | value = (I32)(do_msgrcv(MARK, SP) >= 0); | |
4453 | break; | |
ca563b4e NC |
4454 | case OP_SEMOP: |
4455 | value = (I32)(do_semop(MARK, SP) >= 0); | |
4456 | break; | |
c9f7ac20 NC |
4457 | default: |
4458 | value = (I32)(do_shmio(op_type, MARK, SP) >= 0); | |
4459 | break; | |
4460 | } | |
a0d0e21e | 4461 | |
a0d0e21e LW |
4462 | SP = MARK; |
4463 | PUSHi(value); | |
4464 | RETURN; | |
4465 | #else | |
cea2e8a9 | 4466 | return pp_semget(); |
a0d0e21e LW |
4467 | #endif |
4468 | } | |
4469 | ||
4470 | /* Semaphores. */ | |
4471 | ||
4472 | PP(pp_semget) | |
4473 | { | |
4474 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4475 | dSP; dMARK; dTARGET; |
533c011a | 4476 | int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4477 | SP = MARK; |
4478 | if (anum == -1) | |
4479 | RETPUSHUNDEF; | |
4480 | PUSHi(anum); | |
4481 | RETURN; | |
4482 | #else | |
cea2e8a9 | 4483 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4484 | #endif |
4485 | } | |
4486 | ||
4487 | PP(pp_semctl) | |
4488 | { | |
4489 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4490 | dSP; dMARK; dTARGET; |
533c011a | 4491 | int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4492 | SP = MARK; |
4493 | if (anum == -1) | |
4494 | RETSETUNDEF; | |
4495 | if (anum != 0) { | |
4496 | PUSHi(anum); | |
4497 | } | |
4498 | else { | |
8903cb82 | 4499 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4500 | } |
4501 | RETURN; | |
4502 | #else | |
cea2e8a9 | 4503 | return pp_semget(); |
a0d0e21e LW |
4504 | #endif |
4505 | } | |
4506 | ||
a0d0e21e LW |
4507 | /* Get system info. */ |
4508 | ||
a0d0e21e LW |
4509 | PP(pp_ghostent) |
4510 | { | |
693762b4 | 4511 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
9cad6237 | 4512 | dSP; |
533c011a | 4513 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4514 | register char **elem; |
4515 | register SV *sv; | |
dc45a647 | 4516 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4517 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4518 | struct hostent *gethostbyname(Netdb_name_t); | |
4519 | struct hostent *gethostent(void); | |
a0d0e21e LW |
4520 | #endif |
4521 | struct hostent *hent; | |
4522 | unsigned long len; | |
4523 | ||
4524 | EXTEND(SP, 10); | |
edd309b7 | 4525 | if (which == OP_GHBYNAME) { |
dc45a647 | 4526 | #ifdef HAS_GETHOSTBYNAME |
edd309b7 JH |
4527 | char* name = POPpbytex; |
4528 | hent = PerlSock_gethostbyname(name); | |
dc45a647 | 4529 | #else |
cea2e8a9 | 4530 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4531 | #endif |
edd309b7 | 4532 | } |
a0d0e21e | 4533 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4534 | #ifdef HAS_GETHOSTBYADDR |
a0d0e21e | 4535 | int addrtype = POPi; |
748a9306 | 4536 | SV *addrsv = POPs; |
a0d0e21e | 4537 | STRLEN addrlen; |
595ae481 | 4538 | Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4539 | |
4599a1de | 4540 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4541 | #else |
cea2e8a9 | 4542 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4543 | #endif |
a0d0e21e LW |
4544 | } |
4545 | else | |
4546 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4547 | hent = PerlSock_gethostent(); |
a0d0e21e | 4548 | #else |
cea2e8a9 | 4549 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4550 | #endif |
4551 | ||
4552 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4553 | if (!hent) { |
4554 | #ifdef USE_REENTRANT_API | |
4555 | # ifdef USE_GETHOSTENT_ERRNO | |
4556 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4557 | # endif | |
4558 | #endif | |
37038d91 | 4559 | STATUS_UNIX_SET(h_errno); |
10bc17b6 | 4560 | } |
a0d0e21e LW |
4561 | #endif |
4562 | ||
4563 | if (GIMME != G_ARRAY) { | |
4564 | PUSHs(sv = sv_newmortal()); | |
4565 | if (hent) { | |
4566 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4567 | if (hent->h_addr) |
4568 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4569 | } |
4570 | else | |
4571 | sv_setpv(sv, (char*)hent->h_name); | |
4572 | } | |
4573 | RETURN; | |
4574 | } | |
4575 | ||
4576 | if (hent) { | |
3280af22 | 4577 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4578 | sv_setpv(sv, (char*)hent->h_name); |
3280af22 | 4579 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4580 | for (elem = hent->h_aliases; elem && *elem; elem++) { |
4581 | sv_catpv(sv, *elem); | |
4582 | if (elem[1]) | |
4583 | sv_catpvn(sv, " ", 1); | |
4584 | } | |
3280af22 | 4585 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4586 | sv_setiv(sv, (IV)hent->h_addrtype); |
3280af22 | 4587 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4588 | len = hent->h_length; |
1e422769 | 4589 | sv_setiv(sv, (IV)len); |
a0d0e21e LW |
4590 | #ifdef h_addr |
4591 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
3280af22 | 4592 | XPUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4593 | sv_setpvn(sv, *elem, len); |
4594 | } | |
4595 | #else | |
6b88bc9c | 4596 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
fd0af264 | 4597 | if (hent->h_addr) |
4598 | sv_setpvn(sv, hent->h_addr, len); | |
a0d0e21e LW |
4599 | #endif /* h_addr */ |
4600 | } | |
4601 | RETURN; | |
4602 | #else | |
cea2e8a9 | 4603 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4604 | #endif |
4605 | } | |
4606 | ||
a0d0e21e LW |
4607 | PP(pp_gnetent) |
4608 | { | |
693762b4 | 4609 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
9cad6237 | 4610 | dSP; |
533c011a | 4611 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4612 | register char **elem; |
4613 | register SV *sv; | |
dc45a647 | 4614 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4615 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4616 | struct netent *getnetbyname(Netdb_name_t); | |
4617 | struct netent *getnetent(void); | |
8ac85365 | 4618 | #endif |
a0d0e21e LW |
4619 | struct netent *nent; |
4620 | ||
edd309b7 | 4621 | if (which == OP_GNBYNAME){ |
dc45a647 | 4622 | #ifdef HAS_GETNETBYNAME |
edd309b7 JH |
4623 | char *name = POPpbytex; |
4624 | nent = PerlSock_getnetbyname(name); | |
dc45a647 | 4625 | #else |
cea2e8a9 | 4626 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4627 | #endif |
edd309b7 | 4628 | } |
a0d0e21e | 4629 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4630 | #ifdef HAS_GETNETBYADDR |
a0d0e21e | 4631 | int addrtype = POPi; |
3bb7c1b4 | 4632 | Netdb_net_t addr = (Netdb_net_t) (U32)POPu; |
76e3520e | 4633 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4634 | #else |
cea2e8a9 | 4635 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4636 | #endif |
a0d0e21e LW |
4637 | } |
4638 | else | |
dc45a647 | 4639 | #ifdef HAS_GETNETENT |
76e3520e | 4640 | nent = PerlSock_getnetent(); |
dc45a647 | 4641 | #else |
cea2e8a9 | 4642 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4643 | #endif |
a0d0e21e | 4644 | |
10bc17b6 JH |
4645 | #ifdef HOST_NOT_FOUND |
4646 | if (!nent) { | |
4647 | #ifdef USE_REENTRANT_API | |
4648 | # ifdef USE_GETNETENT_ERRNO | |
4649 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4650 | # endif | |
4651 | #endif | |
37038d91 | 4652 | STATUS_UNIX_SET(h_errno); |
10bc17b6 JH |
4653 | } |
4654 | #endif | |
4655 | ||
a0d0e21e LW |
4656 | EXTEND(SP, 4); |
4657 | if (GIMME != G_ARRAY) { | |
4658 | PUSHs(sv = sv_newmortal()); | |
4659 | if (nent) { | |
4660 | if (which == OP_GNBYNAME) | |
1e422769 | 4661 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4662 | else |
4663 | sv_setpv(sv, nent->n_name); | |
4664 | } | |
4665 | RETURN; | |
4666 | } | |
4667 | ||
4668 | if (nent) { | |
3280af22 | 4669 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4670 | sv_setpv(sv, nent->n_name); |
3280af22 | 4671 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4672 | for (elem = nent->n_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4673 | sv_catpv(sv, *elem); |
4674 | if (elem[1]) | |
4675 | sv_catpvn(sv, " ", 1); | |
4676 | } | |
3280af22 | 4677 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4678 | sv_setiv(sv, (IV)nent->n_addrtype); |
3280af22 | 4679 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4680 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4681 | } |
4682 | ||
4683 | RETURN; | |
4684 | #else | |
cea2e8a9 | 4685 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
a0d0e21e LW |
4686 | #endif |
4687 | } | |
4688 | ||
a0d0e21e LW |
4689 | PP(pp_gprotoent) |
4690 | { | |
693762b4 | 4691 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
9cad6237 | 4692 | dSP; |
533c011a | 4693 | I32 which = PL_op->op_type; |
a0d0e21e | 4694 | register char **elem; |
301e8125 | 4695 | register SV *sv; |
dc45a647 | 4696 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4697 | struct protoent *getprotobyname(Netdb_name_t); |
4698 | struct protoent *getprotobynumber(int); | |
4699 | struct protoent *getprotoent(void); | |
8ac85365 | 4700 | #endif |
a0d0e21e LW |
4701 | struct protoent *pent; |
4702 | ||
edd309b7 | 4703 | if (which == OP_GPBYNAME) { |
e5c9fcd0 | 4704 | #ifdef HAS_GETPROTOBYNAME |
edd309b7 JH |
4705 | char* name = POPpbytex; |
4706 | pent = PerlSock_getprotobyname(name); | |
e5c9fcd0 | 4707 | #else |
cea2e8a9 | 4708 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4709 | #endif |
edd309b7 JH |
4710 | } |
4711 | else if (which == OP_GPBYNUMBER) { | |
e5c9fcd0 | 4712 | #ifdef HAS_GETPROTOBYNUMBER |
edd309b7 JH |
4713 | int number = POPi; |
4714 | pent = PerlSock_getprotobynumber(number); | |
e5c9fcd0 | 4715 | #else |
edd309b7 | 4716 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4717 | #endif |
edd309b7 | 4718 | } |
a0d0e21e | 4719 | else |
e5c9fcd0 | 4720 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4721 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4722 | #else |
cea2e8a9 | 4723 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4724 | #endif |
a0d0e21e LW |
4725 | |
4726 | EXTEND(SP, 3); | |
4727 | if (GIMME != G_ARRAY) { | |
4728 | PUSHs(sv = sv_newmortal()); | |
4729 | if (pent) { | |
4730 | if (which == OP_GPBYNAME) | |
1e422769 | 4731 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4732 | else |
4733 | sv_setpv(sv, pent->p_name); | |
4734 | } | |
4735 | RETURN; | |
4736 | } | |
4737 | ||
4738 | if (pent) { | |
3280af22 | 4739 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4740 | sv_setpv(sv, pent->p_name); |
3280af22 | 4741 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4742 | for (elem = pent->p_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4743 | sv_catpv(sv, *elem); |
4744 | if (elem[1]) | |
4745 | sv_catpvn(sv, " ", 1); | |
4746 | } | |
3280af22 | 4747 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4748 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4749 | } |
4750 | ||
4751 | RETURN; | |
4752 | #else | |
cea2e8a9 | 4753 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
a0d0e21e LW |
4754 | #endif |
4755 | } | |
4756 | ||
a0d0e21e LW |
4757 | PP(pp_gservent) |
4758 | { | |
693762b4 | 4759 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
9cad6237 | 4760 | dSP; |
533c011a | 4761 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4762 | register char **elem; |
4763 | register SV *sv; | |
dc45a647 | 4764 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4765 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
4766 | struct servent *getservbyport(int, Netdb_name_t); | |
4767 | struct servent *getservent(void); | |
8ac85365 | 4768 | #endif |
a0d0e21e LW |
4769 | struct servent *sent; |
4770 | ||
4771 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4772 | #ifdef HAS_GETSERVBYNAME |
42e0c139 AP |
4773 | char *proto = POPpbytex; |
4774 | char *name = POPpbytex; | |
a0d0e21e LW |
4775 | |
4776 | if (proto && !*proto) | |
4777 | proto = Nullch; | |
4778 | ||
6ad3d225 | 4779 | sent = PerlSock_getservbyname(name, proto); |
dc45a647 | 4780 | #else |
cea2e8a9 | 4781 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4782 | #endif |
a0d0e21e LW |
4783 | } |
4784 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4785 | #ifdef HAS_GETSERVBYPORT |
42e0c139 | 4786 | char *proto = POPpbytex; |
eb160463 | 4787 | unsigned short port = (unsigned short)POPu; |
a0d0e21e | 4788 | |
2b872cca SR |
4789 | if (proto && !*proto) |
4790 | proto = Nullch; | |
4791 | ||
36477c24 | 4792 | #ifdef HAS_HTONS |
6ad3d225 | 4793 | port = PerlSock_htons(port); |
36477c24 | 4794 | #endif |
6ad3d225 | 4795 | sent = PerlSock_getservbyport(port, proto); |
dc45a647 | 4796 | #else |
cea2e8a9 | 4797 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4798 | #endif |
a0d0e21e LW |
4799 | } |
4800 | else | |
e5c9fcd0 | 4801 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4802 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4803 | #else |
cea2e8a9 | 4804 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4805 | #endif |
a0d0e21e LW |
4806 | |
4807 | EXTEND(SP, 4); | |
4808 | if (GIMME != G_ARRAY) { | |
4809 | PUSHs(sv = sv_newmortal()); | |
4810 | if (sent) { | |
4811 | if (which == OP_GSBYNAME) { | |
4812 | #ifdef HAS_NTOHS | |
6ad3d225 | 4813 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4814 | #else |
1e422769 | 4815 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4816 | #endif |
4817 | } | |
4818 | else | |
4819 | sv_setpv(sv, sent->s_name); | |
4820 | } | |
4821 | RETURN; | |
4822 | } | |
4823 | ||
4824 | if (sent) { | |
3280af22 | 4825 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4826 | sv_setpv(sv, sent->s_name); |
3280af22 | 4827 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4828 | for (elem = sent->s_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4829 | sv_catpv(sv, *elem); |
4830 | if (elem[1]) | |
4831 | sv_catpvn(sv, " ", 1); | |
4832 | } | |
3280af22 | 4833 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4834 | #ifdef HAS_NTOHS |
76e3520e | 4835 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4836 | #else |
1e422769 | 4837 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e | 4838 | #endif |
3280af22 | 4839 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4840 | sv_setpv(sv, sent->s_proto); |
4841 | } | |
4842 | ||
4843 | RETURN; | |
4844 | #else | |
cea2e8a9 | 4845 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
a0d0e21e LW |
4846 | #endif |
4847 | } | |
4848 | ||
4849 | PP(pp_shostent) | |
4850 | { | |
693762b4 | 4851 | #ifdef HAS_SETHOSTENT |
9cad6237 | 4852 | dSP; |
76e3520e | 4853 | PerlSock_sethostent(TOPi); |
a0d0e21e LW |
4854 | RETSETYES; |
4855 | #else | |
cea2e8a9 | 4856 | DIE(aTHX_ PL_no_sock_func, "sethostent"); |
a0d0e21e LW |
4857 | #endif |
4858 | } | |
4859 | ||
4860 | PP(pp_snetent) | |
4861 | { | |
693762b4 | 4862 | #ifdef HAS_SETNETENT |
9cad6237 | 4863 | dSP; |
76e3520e | 4864 | PerlSock_setnetent(TOPi); |
a0d0e21e LW |
4865 | RETSETYES; |
4866 | #else | |
cea2e8a9 | 4867 | DIE(aTHX_ PL_no_sock_func, "setnetent"); |
a0d0e21e LW |
4868 | #endif |
4869 | } | |
4870 | ||
4871 | PP(pp_sprotoent) | |
4872 | { | |
693762b4 | 4873 | #ifdef HAS_SETPROTOENT |
9cad6237 | 4874 | dSP; |
76e3520e | 4875 | PerlSock_setprotoent(TOPi); |
a0d0e21e LW |
4876 | RETSETYES; |
4877 | #else | |
cea2e8a9 | 4878 | DIE(aTHX_ PL_no_sock_func, "setprotoent"); |
a0d0e21e LW |
4879 | #endif |
4880 | } | |
4881 | ||
4882 | PP(pp_sservent) | |
4883 | { | |
693762b4 | 4884 | #ifdef HAS_SETSERVENT |
9cad6237 | 4885 | dSP; |
76e3520e | 4886 | PerlSock_setservent(TOPi); |
a0d0e21e LW |
4887 | RETSETYES; |
4888 | #else | |
cea2e8a9 | 4889 | DIE(aTHX_ PL_no_sock_func, "setservent"); |
a0d0e21e LW |
4890 | #endif |
4891 | } | |
4892 | ||
4893 | PP(pp_ehostent) | |
4894 | { | |
693762b4 | 4895 | #ifdef HAS_ENDHOSTENT |
9cad6237 | 4896 | dSP; |
76e3520e | 4897 | PerlSock_endhostent(); |
924508f0 | 4898 | EXTEND(SP,1); |
a0d0e21e LW |
4899 | RETPUSHYES; |
4900 | #else | |
cea2e8a9 | 4901 | DIE(aTHX_ PL_no_sock_func, "endhostent"); |
a0d0e21e LW |
4902 | #endif |
4903 | } | |
4904 | ||
4905 | PP(pp_enetent) | |
4906 | { | |
693762b4 | 4907 | #ifdef HAS_ENDNETENT |
9cad6237 | 4908 | dSP; |
76e3520e | 4909 | PerlSock_endnetent(); |
924508f0 | 4910 | EXTEND(SP,1); |
a0d0e21e LW |
4911 | RETPUSHYES; |
4912 | #else | |
cea2e8a9 | 4913 | DIE(aTHX_ PL_no_sock_func, "endnetent"); |
a0d0e21e LW |
4914 | #endif |
4915 | } | |
4916 | ||
4917 | PP(pp_eprotoent) | |
4918 | { | |
693762b4 | 4919 | #ifdef HAS_ENDPROTOENT |
9cad6237 | 4920 | dSP; |
76e3520e | 4921 | PerlSock_endprotoent(); |
924508f0 | 4922 | EXTEND(SP,1); |
a0d0e21e LW |
4923 | RETPUSHYES; |
4924 | #else | |
cea2e8a9 | 4925 | DIE(aTHX_ PL_no_sock_func, "endprotoent"); |
a0d0e21e LW |
4926 | #endif |
4927 | } | |
4928 | ||
4929 | PP(pp_eservent) | |
4930 | { | |
693762b4 | 4931 | #ifdef HAS_ENDSERVENT |
9cad6237 | 4932 | dSP; |
76e3520e | 4933 | PerlSock_endservent(); |
924508f0 | 4934 | EXTEND(SP,1); |
a0d0e21e LW |
4935 | RETPUSHYES; |
4936 | #else | |
cea2e8a9 | 4937 | DIE(aTHX_ PL_no_sock_func, "endservent"); |
a0d0e21e LW |
4938 | #endif |
4939 | } | |
4940 | ||
a0d0e21e LW |
4941 | PP(pp_gpwent) |
4942 | { | |
0994c4d0 | 4943 | #ifdef HAS_PASSWD |
9cad6237 | 4944 | dSP; |
533c011a | 4945 | I32 which = PL_op->op_type; |
a0d0e21e | 4946 | register SV *sv; |
e3aefe8d | 4947 | struct passwd *pwent = NULL; |
301e8125 | 4948 | /* |
bcf53261 JH |
4949 | * We currently support only the SysV getsp* shadow password interface. |
4950 | * The interface is declared in <shadow.h> and often one needs to link | |
4951 | * with -lsecurity or some such. | |
4952 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
4953 | * (and SCO?) | |
4954 | * | |
4955 | * AIX getpwnam() is clever enough to return the encrypted password | |
4956 | * only if the caller (euid?) is root. | |
4957 | * | |
e549f1c5 | 4958 | * There are at least three other shadow password APIs. Many platforms |
bcf53261 JH |
4959 | * seem to contain more than one interface for accessing the shadow |
4960 | * password databases, possibly for compatibility reasons. | |
3813c136 | 4961 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
4962 | * are much more complicated, but also very similar to each other. |
4963 | * | |
4964 | * <sys/types.h> | |
4965 | * <sys/security.h> | |
4966 | * <prot.h> | |
4967 | * struct pr_passwd *getprpw*(); | |
4968 | * The password is in | |
3813c136 JH |
4969 | * char getprpw*(...).ufld.fd_encrypt[] |
4970 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
4971 | * |
4972 | * <sys/types.h> | |
4973 | * <sys/security.h> | |
4974 | * <prot.h> | |
4975 | * struct es_passwd *getespw*(); | |
4976 | * The password is in | |
4977 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 4978 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 4979 | * |
e1920a95 | 4980 | * <userpw.h> (AIX) |
e549f1c5 JH |
4981 | * struct userpw *getuserpw(); |
4982 | * The password is in | |
4983 | * char *(getuserpw(...)).spw_upw_passwd | |
4984 | * (but the de facto standard getpwnam() should work okay) | |
4985 | * | |
3813c136 | 4986 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
4987 | * |
4988 | * In HP-UX for getprpw*() the manual page claims that one should include | |
4989 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
4990 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
4991 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
4992 | * |
4993 | * Note that <sys/security.h> is already probed for, but currently | |
4994 | * it is only included in special cases. | |
301e8125 | 4995 | * |
bcf53261 JH |
4996 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
4997 | * be preferred interface, even though also the getprpw*() interface | |
4998 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
4999 | * One also needs to call set_auth_parameters() in main() before |
5000 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
5001 | * | |
5002 | * Note that accessing the shadow databases can be magnitudes | |
5003 | * slower than accessing the standard databases. | |
bcf53261 JH |
5004 | * |
5005 | * --jhi | |
5006 | */ | |
a0d0e21e | 5007 | |
9e5f0c48 JH |
5008 | # if defined(__CYGWIN__) && defined(USE_REENTRANT_API) |
5009 | /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r(): | |
5010 | * the pw_comment is left uninitialized. */ | |
5011 | PL_reentrant_buffer->_pwent_struct.pw_comment = NULL; | |
5012 | # endif | |
5013 | ||
e3aefe8d JH |
5014 | switch (which) { |
5015 | case OP_GPWNAM: | |
edd309b7 JH |
5016 | { |
5017 | char* name = POPpbytex; | |
5018 | pwent = getpwnam(name); | |
5019 | } | |
5020 | break; | |
e3aefe8d | 5021 | case OP_GPWUID: |
edd309b7 JH |
5022 | { |
5023 | Uid_t uid = POPi; | |
5024 | pwent = getpwuid(uid); | |
5025 | } | |
e3aefe8d JH |
5026 | break; |
5027 | case OP_GPWENT: | |
1883634f | 5028 | # ifdef HAS_GETPWENT |
e3aefe8d | 5029 | pwent = getpwent(); |
faea9016 IRC |
5030 | #ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */ |
5031 | if (pwent) pwent = getpwnam(pwent->pw_name); | |
5032 | #endif | |
1883634f | 5033 | # else |
a45d1c96 | 5034 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5035 | # endif |
e3aefe8d JH |
5036 | break; |
5037 | } | |
8c0bfa08 | 5038 | |
a0d0e21e LW |
5039 | EXTEND(SP, 10); |
5040 | if (GIMME != G_ARRAY) { | |
5041 | PUSHs(sv = sv_newmortal()); | |
5042 | if (pwent) { | |
5043 | if (which == OP_GPWNAM) | |
1883634f | 5044 | # if Uid_t_sign <= 0 |
1e422769 | 5045 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5046 | # else |
23dcd6c8 | 5047 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5048 | # endif |
a0d0e21e LW |
5049 | else |
5050 | sv_setpv(sv, pwent->pw_name); | |
5051 | } | |
5052 | RETURN; | |
5053 | } | |
5054 | ||
5055 | if (pwent) { | |
3280af22 | 5056 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5057 | sv_setpv(sv, pwent->pw_name); |
6ee623d5 | 5058 | |
3280af22 | 5059 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
3813c136 JH |
5060 | SvPOK_off(sv); |
5061 | /* If we have getspnam(), we try to dig up the shadow | |
5062 | * password. If we are underprivileged, the shadow | |
5063 | * interface will set the errno to EACCES or similar, | |
5064 | * and return a null pointer. If this happens, we will | |
5065 | * use the dummy password (usually "*" or "x") from the | |
5066 | * standard password database. | |
5067 | * | |
5068 | * In theory we could skip the shadow call completely | |
5069 | * if euid != 0 but in practice we cannot know which | |
5070 | * security measures are guarding the shadow databases | |
5071 | * on a random platform. | |
5072 | * | |
5073 | * Resist the urge to use additional shadow interfaces. | |
5074 | * Divert the urge to writing an extension instead. | |
5075 | * | |
5076 | * --jhi */ | |
e549f1c5 JH |
5077 | /* Some AIX setups falsely(?) detect some getspnam(), which |
5078 | * has a different API than the Solaris/IRIX one. */ | |
5079 | # if defined(HAS_GETSPNAM) && !defined(_AIX) | |
3813c136 JH |
5080 | { |
5081 | struct spwd *spwent; | |
5082 | int saverrno; /* Save and restore errno so that | |
5083 | * underprivileged attempts seem | |
5084 | * to have never made the unsccessful | |
5085 | * attempt to retrieve the shadow password. */ | |
5086 | ||
5087 | saverrno = errno; | |
5088 | spwent = getspnam(pwent->pw_name); | |
5089 | errno = saverrno; | |
5090 | if (spwent && spwent->sp_pwdp) | |
5091 | sv_setpv(sv, spwent->sp_pwdp); | |
5092 | } | |
f1066039 | 5093 | # endif |
e020c87d | 5094 | # ifdef PWPASSWD |
3813c136 JH |
5095 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5096 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5097 | # endif |
3813c136 | 5098 | |
1883634f | 5099 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5100 | /* passwd is tainted because user himself can diddle with it. |
5101 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5102 | SvTAINTED_on(sv); |
1883634f | 5103 | # endif |
6ee623d5 | 5104 | |
3280af22 | 5105 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5106 | # if Uid_t_sign <= 0 |
1e422769 | 5107 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5108 | # else |
23dcd6c8 | 5109 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5110 | # endif |
6ee623d5 | 5111 | |
3280af22 | 5112 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5113 | # if Uid_t_sign <= 0 |
1e422769 | 5114 | sv_setiv(sv, (IV)pwent->pw_gid); |
1883634f | 5115 | # else |
23dcd6c8 | 5116 | sv_setuv(sv, (UV)pwent->pw_gid); |
1883634f | 5117 | # endif |
3813c136 JH |
5118 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5119 | * because of the poor interface of the Perl getpw*(), | |
5120 | * not because there's some standard/convention saying so. | |
5121 | * A better interface would have been to return a hash, | |
5122 | * but we are accursed by our history, alas. --jhi. */ | |
3280af22 | 5123 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5124 | # ifdef PWCHANGE |
1e422769 | 5125 | sv_setiv(sv, (IV)pwent->pw_change); |
6ee623d5 | 5126 | # else |
1883634f JH |
5127 | # ifdef PWQUOTA |
5128 | sv_setiv(sv, (IV)pwent->pw_quota); | |
5129 | # else | |
a1757be1 | 5130 | # ifdef PWAGE |
a0d0e21e | 5131 | sv_setpv(sv, pwent->pw_age); |
a1757be1 | 5132 | # endif |
6ee623d5 GS |
5133 | # endif |
5134 | # endif | |
6ee623d5 | 5135 | |
3813c136 JH |
5136 | /* pw_class and pw_comment are mutually exclusive--. |
5137 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
3280af22 | 5138 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5139 | # ifdef PWCLASS |
a0d0e21e | 5140 | sv_setpv(sv, pwent->pw_class); |
1883634f JH |
5141 | # else |
5142 | # ifdef PWCOMMENT | |
a0d0e21e | 5143 | sv_setpv(sv, pwent->pw_comment); |
1883634f | 5144 | # endif |
6ee623d5 | 5145 | # endif |
6ee623d5 | 5146 | |
3280af22 | 5147 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5148 | # ifdef PWGECOS |
a0d0e21e | 5149 | sv_setpv(sv, pwent->pw_gecos); |
1883634f JH |
5150 | # endif |
5151 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5152 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5153 | SvTAINTED_on(sv); |
1883634f | 5154 | # endif |
6ee623d5 | 5155 | |
3280af22 | 5156 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5157 | sv_setpv(sv, pwent->pw_dir); |
6ee623d5 | 5158 | |
3280af22 | 5159 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5160 | sv_setpv(sv, pwent->pw_shell); |
1883634f | 5161 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5162 | /* pw_shell is tainted because user himself can diddle with it. */ |
5163 | SvTAINTED_on(sv); | |
1883634f | 5164 | # endif |
6ee623d5 | 5165 | |
1883634f | 5166 | # ifdef PWEXPIRE |
6b88bc9c | 5167 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5168 | sv_setiv(sv, (IV)pwent->pw_expire); |
1883634f | 5169 | # endif |
a0d0e21e LW |
5170 | } |
5171 | RETURN; | |
5172 | #else | |
af51a00e | 5173 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5174 | #endif |
5175 | } | |
5176 | ||
5177 | PP(pp_spwent) | |
5178 | { | |
d493b042 | 5179 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) |
9cad6237 | 5180 | dSP; |
a0d0e21e LW |
5181 | setpwent(); |
5182 | RETPUSHYES; | |
5183 | #else | |
cea2e8a9 | 5184 | DIE(aTHX_ PL_no_func, "setpwent"); |
a0d0e21e LW |
5185 | #endif |
5186 | } | |
5187 | ||
5188 | PP(pp_epwent) | |
5189 | { | |
28e8609d | 5190 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) |
9cad6237 | 5191 | dSP; |
a0d0e21e LW |
5192 | endpwent(); |
5193 | RETPUSHYES; | |
5194 | #else | |
cea2e8a9 | 5195 | DIE(aTHX_ PL_no_func, "endpwent"); |
a0d0e21e LW |
5196 | #endif |
5197 | } | |
5198 | ||
a0d0e21e LW |
5199 | PP(pp_ggrent) |
5200 | { | |
0994c4d0 | 5201 | #ifdef HAS_GROUP |
9cad6237 | 5202 | dSP; |
533c011a | 5203 | I32 which = PL_op->op_type; |
a0d0e21e LW |
5204 | register char **elem; |
5205 | register SV *sv; | |
5206 | struct group *grent; | |
5207 | ||
edd309b7 JH |
5208 | if (which == OP_GGRNAM) { |
5209 | char* name = POPpbytex; | |
5210 | grent = (struct group *)getgrnam(name); | |
5211 | } | |
5212 | else if (which == OP_GGRGID) { | |
5213 | Gid_t gid = POPi; | |
5214 | grent = (struct group *)getgrgid(gid); | |
5215 | } | |
a0d0e21e | 5216 | else |
0994c4d0 | 5217 | #ifdef HAS_GETGRENT |
a0d0e21e | 5218 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5219 | #else |
5220 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5221 | #endif | |
a0d0e21e LW |
5222 | |
5223 | EXTEND(SP, 4); | |
5224 | if (GIMME != G_ARRAY) { | |
5225 | PUSHs(sv = sv_newmortal()); | |
5226 | if (grent) { | |
5227 | if (which == OP_GGRNAM) | |
1e422769 | 5228 | sv_setiv(sv, (IV)grent->gr_gid); |
a0d0e21e LW |
5229 | else |
5230 | sv_setpv(sv, grent->gr_name); | |
5231 | } | |
5232 | RETURN; | |
5233 | } | |
5234 | ||
5235 | if (grent) { | |
3280af22 | 5236 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5237 | sv_setpv(sv, grent->gr_name); |
28e8609d | 5238 | |
3280af22 | 5239 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
28e8609d | 5240 | #ifdef GRPASSWD |
a0d0e21e | 5241 | sv_setpv(sv, grent->gr_passwd); |
28e8609d JH |
5242 | #endif |
5243 | ||
3280af22 | 5244 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5245 | sv_setiv(sv, (IV)grent->gr_gid); |
28e8609d | 5246 | |
5b56e7c5 | 5247 | #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) |
3280af22 | 5248 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
3d7e8424 JH |
5249 | /* In UNICOS/mk (_CRAYMPP) the multithreading |
5250 | * versions (getgrnam_r, getgrgid_r) | |
5251 | * seem to return an illegal pointer | |
5252 | * as the group members list, gr_mem. | |
5253 | * getgrent() doesn't even have a _r version | |
5254 | * but the gr_mem is poisonous anyway. | |
5255 | * So yes, you cannot get the list of group | |
5256 | * members if building multithreaded in UNICOS/mk. */ | |
c90c0ff4 | 5257 | for (elem = grent->gr_mem; elem && *elem; elem++) { |
a0d0e21e LW |
5258 | sv_catpv(sv, *elem); |
5259 | if (elem[1]) | |
5260 | sv_catpvn(sv, " ", 1); | |
5261 | } | |
3d7e8424 | 5262 | #endif |
a0d0e21e LW |
5263 | } |
5264 | ||
5265 | RETURN; | |
5266 | #else | |
af51a00e | 5267 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5268 | #endif |
5269 | } | |
5270 | ||
5271 | PP(pp_sgrent) | |
5272 | { | |
28e8609d | 5273 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) |
9cad6237 | 5274 | dSP; |
a0d0e21e LW |
5275 | setgrent(); |
5276 | RETPUSHYES; | |
5277 | #else | |
cea2e8a9 | 5278 | DIE(aTHX_ PL_no_func, "setgrent"); |
a0d0e21e LW |
5279 | #endif |
5280 | } | |
5281 | ||
5282 | PP(pp_egrent) | |
5283 | { | |
28e8609d | 5284 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) |
9cad6237 | 5285 | dSP; |
a0d0e21e LW |
5286 | endgrent(); |
5287 | RETPUSHYES; | |
5288 | #else | |
cea2e8a9 | 5289 | DIE(aTHX_ PL_no_func, "endgrent"); |
a0d0e21e LW |
5290 | #endif |
5291 | } | |
5292 | ||
5293 | PP(pp_getlogin) | |
5294 | { | |
a0d0e21e | 5295 | #ifdef HAS_GETLOGIN |
9cad6237 | 5296 | dSP; dTARGET; |
a0d0e21e LW |
5297 | char *tmps; |
5298 | EXTEND(SP, 1); | |
76e3520e | 5299 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e LW |
5300 | RETPUSHUNDEF; |
5301 | PUSHp(tmps, strlen(tmps)); | |
5302 | RETURN; | |
5303 | #else | |
cea2e8a9 | 5304 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5305 | #endif |
5306 | } | |
5307 | ||
5308 | /* Miscellaneous. */ | |
5309 | ||
5310 | PP(pp_syscall) | |
5311 | { | |
d2719217 | 5312 | #ifdef HAS_SYSCALL |
39644a26 | 5313 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5314 | register I32 items = SP - MARK; |
5315 | unsigned long a[20]; | |
5316 | register I32 i = 0; | |
5317 | I32 retval = -1; | |
5318 | ||
3280af22 | 5319 | if (PL_tainting) { |
a0d0e21e | 5320 | while (++MARK <= SP) { |
bbce6d69 | 5321 | if (SvTAINTED(*MARK)) { |
5322 | TAINT; | |
5323 | break; | |
5324 | } | |
a0d0e21e LW |
5325 | } |
5326 | MARK = ORIGMARK; | |
5327 | TAINT_PROPER("syscall"); | |
5328 | } | |
5329 | ||
5330 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5331 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5332 | * not likely have syscall implemented either, so who cares? | |
5333 | */ | |
5334 | while (++MARK <= SP) { | |
5335 | if (SvNIOK(*MARK) || !i) | |
5336 | a[i++] = SvIV(*MARK); | |
3280af22 | 5337 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5338 | a[i++] = 0; |
301e8125 | 5339 | else |
8b6b16e7 | 5340 | a[i++] = (unsigned long)SvPV_force_nolen(*MARK); |
a0d0e21e LW |
5341 | if (i > 15) |
5342 | break; | |
5343 | } | |
5344 | switch (items) { | |
5345 | default: | |
cea2e8a9 | 5346 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5347 | case 0: |
cea2e8a9 | 5348 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5349 | case 1: |
5350 | retval = syscall(a[0]); | |
5351 | break; | |
5352 | case 2: | |
5353 | retval = syscall(a[0],a[1]); | |
5354 | break; | |
5355 | case 3: | |
5356 | retval = syscall(a[0],a[1],a[2]); | |
5357 | break; | |
5358 | case 4: | |
5359 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5360 | break; | |
5361 | case 5: | |
5362 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5363 | break; | |
5364 | case 6: | |
5365 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5366 | break; | |
5367 | case 7: | |
5368 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5369 | break; | |
5370 | case 8: | |
5371 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5372 | break; | |
5373 | #ifdef atarist | |
5374 | case 9: | |
5375 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5376 | break; | |
5377 | case 10: | |
5378 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5379 | break; | |
5380 | case 11: | |
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]); | |
5383 | break; | |
5384 | case 12: | |
5385 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5386 | a[10],a[11]); | |
5387 | break; | |
5388 | case 13: | |
5389 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5390 | a[10],a[11],a[12]); | |
5391 | break; | |
5392 | case 14: | |
5393 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5394 | a[10],a[11],a[12],a[13]); | |
5395 | break; | |
5396 | #endif /* atarist */ | |
5397 | } | |
5398 | SP = ORIGMARK; | |
5399 | PUSHi(retval); | |
5400 | RETURN; | |
5401 | #else | |
cea2e8a9 | 5402 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5403 | #endif |
5404 | } | |
5405 | ||
ff68c719 | 5406 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5407 | |
ff68c719 | 5408 | /* XXX Emulate flock() with fcntl(). |
5409 | What's really needed is a good file locking module. | |
5410 | */ | |
5411 | ||
cea2e8a9 GS |
5412 | static int |
5413 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5414 | { |
5415 | struct flock flock; | |
301e8125 | 5416 | |
ff68c719 | 5417 | switch (operation & ~LOCK_NB) { |
5418 | case LOCK_SH: | |
5419 | flock.l_type = F_RDLCK; | |
5420 | break; | |
5421 | case LOCK_EX: | |
5422 | flock.l_type = F_WRLCK; | |
5423 | break; | |
5424 | case LOCK_UN: | |
5425 | flock.l_type = F_UNLCK; | |
5426 | break; | |
5427 | default: | |
5428 | errno = EINVAL; | |
5429 | return -1; | |
5430 | } | |
5431 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5432 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5433 | |
ff68c719 | 5434 | return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5435 | } | |
5436 | ||
5437 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5438 | ||
5439 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5440 | |
5441 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5442 | portability of scripts. The calls are not completely | |
5443 | interchangeable. What's really needed is a good file | |
5444 | locking module. | |
5445 | */ | |
5446 | ||
76c32331 | 5447 | /* The lockf() constants might have been defined in <unistd.h>. |
5448 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5449 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5450 | |
5451 | Further, the lockf() constants aren't POSIX, so they might not be | |
5452 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5453 | just stick in the SVID values and be done with it. Sigh. | |
5454 | */ | |
5455 | ||
5456 | # ifndef F_ULOCK | |
5457 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5458 | # endif | |
5459 | # ifndef F_LOCK | |
5460 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5461 | # endif | |
5462 | # ifndef F_TLOCK | |
5463 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5464 | # endif | |
5465 | # ifndef F_TEST | |
5466 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5467 | # endif | |
5468 | ||
cea2e8a9 GS |
5469 | static int |
5470 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5471 | { |
5472 | int i; | |
84902520 TB |
5473 | int save_errno; |
5474 | Off_t pos; | |
5475 | ||
5476 | /* flock locks entire file so for lockf we need to do the same */ | |
5477 | save_errno = errno; | |
6ad3d225 | 5478 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5479 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5480 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5481 | pos = -1; /* seek failed, so don't seek back afterwards */ |
84902520 TB |
5482 | errno = save_errno; |
5483 | ||
16d20bd9 AD |
5484 | switch (operation) { |
5485 | ||
5486 | /* LOCK_SH - get a shared lock */ | |
5487 | case LOCK_SH: | |
5488 | /* LOCK_EX - get an exclusive lock */ | |
5489 | case LOCK_EX: | |
5490 | i = lockf (fd, F_LOCK, 0); | |
5491 | break; | |
5492 | ||
5493 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5494 | case LOCK_SH|LOCK_NB: | |
5495 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5496 | case LOCK_EX|LOCK_NB: | |
5497 | i = lockf (fd, F_TLOCK, 0); | |
5498 | if (i == -1) | |
5499 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5500 | errno = EWOULDBLOCK; | |
5501 | break; | |
5502 | ||
ff68c719 | 5503 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5504 | case LOCK_UN: |
ff68c719 | 5505 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5506 | i = lockf (fd, F_ULOCK, 0); |
5507 | break; | |
5508 | ||
5509 | /* Default - can't decipher operation */ | |
5510 | default: | |
5511 | i = -1; | |
5512 | errno = EINVAL; | |
5513 | break; | |
5514 | } | |
84902520 TB |
5515 | |
5516 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5517 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5518 | |
16d20bd9 AD |
5519 | return (i); |
5520 | } | |
ff68c719 | 5521 | |
5522 | #endif /* LOCKF_EMULATE_FLOCK */ | |
241d1a3b NC |
5523 | |
5524 | /* | |
5525 | * Local variables: | |
5526 | * c-indentation-style: bsd | |
5527 | * c-basic-offset: 4 | |
5528 | * indent-tabs-mode: t | |
5529 | * End: | |
5530 | * | |
37442d52 RGS |
5531 | * ex: set ts=8 sts=4 sw=4 noet: |
5532 | */ |