Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_sys.c |
2 | * | |
fdf8c088 RGS |
3 | * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
4 | * 2004, 2005, 2006, 2007 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))) |
aa185afb | 301 | #else |
76ffd3b9 IZ |
302 | /* With it or without it: anyway you get a warning: either that |
303 | it is unused, or it is declared static and never defined. | |
304 | */ | |
327c3667 | 305 | STATIC int |
7f4774ae | 306 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 307 | { |
294a48e9 AL |
308 | PERL_UNUSED_ARG(path); |
309 | PERL_UNUSED_ARG(mode); | |
cea2e8a9 | 310 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
311 | /*NOTREACHED*/ |
312 | return -1; | |
313 | } | |
314 | #endif | |
315 | ||
a0d0e21e LW |
316 | PP(pp_backtick) |
317 | { | |
97aff369 | 318 | dVAR; dSP; dTARGET; |
760ac839 | 319 | PerlIO *fp; |
1b6737cc | 320 | const char * const tmps = POPpconstx; |
f54cb97a | 321 | const I32 gimme = GIMME_V; |
e1ec3a88 | 322 | const char *mode = "r"; |
54310121 | 323 | |
a0d0e21e | 324 | TAINT_PROPER("``"); |
16fe6d59 GS |
325 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
326 | mode = "rb"; | |
327 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
328 | mode = "rt"; | |
2fbb330f | 329 | fp = PerlProc_popen(tmps, mode); |
a0d0e21e | 330 | if (fp) { |
11bcd5da | 331 | const char * const type = Perl_PerlIO_context_layers(aTHX_ NULL); |
ac27b0f5 NIS |
332 | if (type && *type) |
333 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
334 | ||
54310121 | 335 | if (gimme == G_VOID) { |
96827780 MB |
336 | char tmpbuf[256]; |
337 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
a79db61d | 338 | NOOP; |
54310121 | 339 | } |
340 | else if (gimme == G_SCALAR) { | |
75af1a9c DM |
341 | ENTER; |
342 | SAVESPTR(PL_rs); | |
fa326138 | 343 | PL_rs = &PL_sv_undef; |
c69006e4 | 344 | sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */ |
bd61b366 | 345 | while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL) |
a79db61d | 346 | NOOP; |
75af1a9c | 347 | LEAVE; |
a0d0e21e | 348 | XPUSHs(TARG); |
aa689395 | 349 | SvTAINTED_on(TARG); |
a0d0e21e LW |
350 | } |
351 | else { | |
a0d0e21e | 352 | for (;;) { |
561b68a9 | 353 | SV * const sv = newSV(79); |
bd61b366 | 354 | if (sv_gets(sv, fp, 0) == NULL) { |
a0d0e21e LW |
355 | SvREFCNT_dec(sv); |
356 | break; | |
357 | } | |
358 | XPUSHs(sv_2mortal(sv)); | |
359 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
1da4ca5f | 360 | SvPV_shrink_to_cur(sv); |
a0d0e21e | 361 | } |
aa689395 | 362 | SvTAINTED_on(sv); |
a0d0e21e LW |
363 | } |
364 | } | |
2fbb330f | 365 | STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp)); |
aa689395 | 366 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
367 | } |
368 | else { | |
37038d91 | 369 | STATUS_NATIVE_CHILD_SET(-1); |
54310121 | 370 | if (gimme == G_SCALAR) |
a0d0e21e LW |
371 | RETPUSHUNDEF; |
372 | } | |
373 | ||
374 | RETURN; | |
375 | } | |
376 | ||
377 | PP(pp_glob) | |
378 | { | |
27da23d5 | 379 | dVAR; |
a0d0e21e | 380 | OP *result; |
f5284f61 IZ |
381 | tryAMAGICunTARGET(iter, -1); |
382 | ||
71686f12 GS |
383 | /* Note that we only ever get here if File::Glob fails to load |
384 | * without at the same time croaking, for some reason, or if | |
385 | * perl was built with PERL_EXTERNAL_GLOB */ | |
386 | ||
a0d0e21e | 387 | ENTER; |
a0d0e21e | 388 | |
c90c0ff4 | 389 | #ifndef VMS |
3280af22 | 390 | if (PL_tainting) { |
7bac28a0 | 391 | /* |
392 | * The external globbing program may use things we can't control, | |
393 | * so for security reasons we must assume the worst. | |
394 | */ | |
395 | TAINT; | |
22c35a8c | 396 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 397 | } |
c90c0ff4 | 398 | #endif /* !VMS */ |
7bac28a0 | 399 | |
3280af22 NIS |
400 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
401 | PL_last_in_gv = (GV*)*PL_stack_sp--; | |
a0d0e21e | 402 | |
3280af22 | 403 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
396482e1 | 404 | PL_rs = sv_2mortal(newSVpvs("\000")); |
c07a80fd | 405 | #ifndef DOSISH |
406 | #ifndef CSH | |
6b88bc9c | 407 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 408 | #endif /* !CSH */ |
55497cff | 409 | #endif /* !DOSISH */ |
c07a80fd | 410 | |
a0d0e21e LW |
411 | result = do_readline(); |
412 | LEAVE; | |
413 | return result; | |
414 | } | |
415 | ||
a0d0e21e LW |
416 | PP(pp_rcatline) |
417 | { | |
97aff369 | 418 | dVAR; |
146174a9 | 419 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
420 | return do_readline(); |
421 | } | |
422 | ||
423 | PP(pp_warn) | |
424 | { | |
97aff369 | 425 | dVAR; dSP; dMARK; |
06bf62c7 | 426 | SV *tmpsv; |
e1ec3a88 | 427 | const char *tmps; |
06bf62c7 | 428 | STRLEN len; |
b59aed67 | 429 | if (SP - MARK > 1) { |
a0d0e21e | 430 | dTARGET; |
3280af22 | 431 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 432 | tmpsv = TARG; |
a0d0e21e LW |
433 | SP = MARK + 1; |
434 | } | |
b59aed67 TS |
435 | else if (SP == MARK) { |
436 | tmpsv = &PL_sv_no; | |
437 | EXTEND(SP, 1); | |
83f957ec | 438 | SP = MARK + 1; |
b59aed67 | 439 | } |
a0d0e21e | 440 | else { |
06bf62c7 | 441 | tmpsv = TOPs; |
a0d0e21e | 442 | } |
e62f0680 | 443 | tmps = SvPV_const(tmpsv, len); |
7b102d90 | 444 | if ((!tmps || !len) && PL_errgv) { |
1b6737cc | 445 | SV * const error = ERRSV; |
862a34c6 | 446 | SvUPGRADE(error, SVt_PV); |
4e6ea2c3 | 447 | if (SvPOK(error) && SvCUR(error)) |
396482e1 | 448 | sv_catpvs(error, "\t...caught"); |
06bf62c7 | 449 | tmpsv = error; |
e62f0680 | 450 | tmps = SvPV_const(tmpsv, len); |
a0d0e21e | 451 | } |
06bf62c7 | 452 | if (!tmps || !len) |
396482e1 | 453 | tmpsv = sv_2mortal(newSVpvs("Warning: something's wrong")); |
06bf62c7 | 454 | |
be2597df | 455 | Perl_warn(aTHX_ "%"SVf, SVfARG(tmpsv)); |
a0d0e21e LW |
456 | RETSETYES; |
457 | } | |
458 | ||
459 | PP(pp_die) | |
460 | { | |
97aff369 | 461 | dVAR; dSP; dMARK; |
e1ec3a88 | 462 | const char *tmps; |
06bf62c7 GS |
463 | SV *tmpsv; |
464 | STRLEN len; | |
465 | bool multiarg = 0; | |
96e176bf CL |
466 | #ifdef VMS |
467 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); | |
468 | #endif | |
a0d0e21e LW |
469 | if (SP - MARK != 1) { |
470 | dTARGET; | |
3280af22 | 471 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 472 | tmpsv = TARG; |
5c144d81 | 473 | tmps = SvPV_const(tmpsv, len); |
06bf62c7 | 474 | multiarg = 1; |
a0d0e21e LW |
475 | SP = MARK + 1; |
476 | } | |
477 | else { | |
4e6ea2c3 | 478 | tmpsv = TOPs; |
fe5bfecd | 479 | tmps = SvROK(tmpsv) ? (const char *)NULL : SvPV_const(tmpsv, len); |
a0d0e21e | 480 | } |
06bf62c7 | 481 | if (!tmps || !len) { |
0bcc34c2 | 482 | SV * const error = ERRSV; |
862a34c6 | 483 | SvUPGRADE(error, SVt_PV); |
06bf62c7 GS |
484 | if (multiarg ? SvROK(error) : SvROK(tmpsv)) { |
485 | if (!multiarg) | |
4e6ea2c3 | 486 | SvSetSV(error,tmpsv); |
06bf62c7 | 487 | else if (sv_isobject(error)) { |
7452cf6a AL |
488 | HV * const stash = SvSTASH(SvRV(error)); |
489 | GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); | |
05423cc9 | 490 | if (gv) { |
7452cf6a AL |
491 | SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); |
492 | SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); | |
05423cc9 GS |
493 | EXTEND(SP, 3); |
494 | PUSHMARK(SP); | |
495 | PUSHs(error); | |
496 | PUSHs(file); | |
497 | PUSHs(line); | |
498 | PUTBACK; | |
864dbfa3 GS |
499 | call_sv((SV*)GvCV(gv), |
500 | G_SCALAR|G_EVAL|G_KEEPERR); | |
3280af22 | 501 | sv_setsv(error,*PL_stack_sp--); |
05423cc9 GS |
502 | } |
503 | } | |
bd61b366 | 504 | DIE(aTHX_ NULL); |
4e6ea2c3 GS |
505 | } |
506 | else { | |
507 | if (SvPOK(error) && SvCUR(error)) | |
396482e1 | 508 | sv_catpvs(error, "\t...propagated"); |
06bf62c7 | 509 | tmpsv = error; |
dc8d642c DM |
510 | if (SvOK(tmpsv)) |
511 | tmps = SvPV_const(tmpsv, len); | |
512 | else | |
bd61b366 | 513 | tmps = NULL; |
4e6ea2c3 | 514 | } |
a0d0e21e | 515 | } |
06bf62c7 | 516 | if (!tmps || !len) |
396482e1 | 517 | tmpsv = sv_2mortal(newSVpvs("Died")); |
06bf62c7 | 518 | |
be2597df | 519 | DIE(aTHX_ "%"SVf, SVfARG(tmpsv)); |
a0d0e21e LW |
520 | } |
521 | ||
522 | /* I/O. */ | |
523 | ||
524 | PP(pp_open) | |
525 | { | |
27da23d5 | 526 | dVAR; dSP; |
a567e93b NIS |
527 | dMARK; dORIGMARK; |
528 | dTARGET; | |
a0d0e21e | 529 | SV *sv; |
5b468f54 | 530 | IO *io; |
5c144d81 | 531 | const char *tmps; |
a0d0e21e | 532 | STRLEN len; |
a567e93b | 533 | bool ok; |
a0d0e21e | 534 | |
c4420975 AL |
535 | GV * const gv = (GV *)*++MARK; |
536 | ||
5f05dabc | 537 | if (!isGV(gv)) |
cea2e8a9 | 538 | DIE(aTHX_ PL_no_usym, "filehandle"); |
abc718f2 | 539 | |
a79db61d AL |
540 | if ((io = GvIOp(gv))) { |
541 | MAGIC *mg; | |
36477c24 | 542 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 543 | |
abc718f2 RGS |
544 | if (IoDIRP(io) && ckWARN2(WARN_IO, WARN_DEPRECATED)) |
545 | Perl_warner(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), | |
546 | "Opening dirhandle %s also as a file", GvENAME(gv)); | |
547 | ||
a79db61d | 548 | mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); |
c4420975 AL |
549 | if (mg) { |
550 | /* Method's args are same as ours ... */ | |
551 | /* ... except handle is replaced by the object */ | |
552 | *MARK-- = SvTIED_obj((SV*)io, mg); | |
553 | PUSHMARK(MARK); | |
554 | PUTBACK; | |
555 | ENTER; | |
556 | call_method("OPEN", G_SCALAR); | |
557 | LEAVE; | |
558 | SPAGAIN; | |
559 | RETURN; | |
560 | } | |
4592e6ca NIS |
561 | } |
562 | ||
a567e93b NIS |
563 | if (MARK < SP) { |
564 | sv = *++MARK; | |
565 | } | |
566 | else { | |
35a08ec7 | 567 | sv = GvSVn(gv); |
a567e93b NIS |
568 | } |
569 | ||
5c144d81 | 570 | tmps = SvPV_const(sv, len); |
4608196e | 571 | ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, NULL, MARK+1, (SP-MARK)); |
a567e93b NIS |
572 | SP = ORIGMARK; |
573 | if (ok) | |
3280af22 NIS |
574 | PUSHi( (I32)PL_forkprocess ); |
575 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
576 | PUSHi(0); |
577 | else | |
578 | RETPUSHUNDEF; | |
579 | RETURN; | |
580 | } | |
581 | ||
582 | PP(pp_close) | |
583 | { | |
27da23d5 | 584 | dVAR; dSP; |
c4420975 | 585 | GV * const gv = (MAXARG == 0) ? PL_defoutgv : (GV*)POPs; |
1d603a67 | 586 | |
a79db61d AL |
587 | if (gv) { |
588 | IO * const io = GvIO(gv); | |
589 | if (io) { | |
590 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
591 | if (mg) { | |
592 | PUSHMARK(SP); | |
593 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
594 | PUTBACK; | |
595 | ENTER; | |
596 | call_method("CLOSE", G_SCALAR); | |
597 | LEAVE; | |
598 | SPAGAIN; | |
599 | RETURN; | |
600 | } | |
601 | } | |
1d603a67 | 602 | } |
a0d0e21e | 603 | EXTEND(SP, 1); |
54310121 | 604 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
605 | RETURN; |
606 | } | |
607 | ||
608 | PP(pp_pipe_op) | |
609 | { | |
a0d0e21e | 610 | #ifdef HAS_PIPE |
97aff369 | 611 | dVAR; |
9cad6237 | 612 | dSP; |
a0d0e21e LW |
613 | register IO *rstio; |
614 | register IO *wstio; | |
615 | int fd[2]; | |
616 | ||
c4420975 AL |
617 | GV * const wgv = (GV*)POPs; |
618 | GV * const rgv = (GV*)POPs; | |
a0d0e21e LW |
619 | |
620 | if (!rgv || !wgv) | |
621 | goto badexit; | |
622 | ||
4633a7c4 | 623 | if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) |
cea2e8a9 | 624 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
625 | rstio = GvIOn(rgv); |
626 | wstio = GvIOn(wgv); | |
627 | ||
628 | if (IoIFP(rstio)) | |
629 | do_close(rgv, FALSE); | |
630 | if (IoIFP(wstio)) | |
631 | do_close(wgv, FALSE); | |
632 | ||
6ad3d225 | 633 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
634 | goto badexit; |
635 | ||
460c8493 IZ |
636 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE); |
637 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE); | |
b5ac89c3 | 638 | IoOFP(rstio) = IoIFP(rstio); |
a0d0e21e | 639 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
640 | IoTYPE(rstio) = IoTYPE_RDONLY; |
641 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
642 | |
643 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
a79db61d AL |
644 | if (IoIFP(rstio)) |
645 | PerlIO_close(IoIFP(rstio)); | |
646 | else | |
647 | PerlLIO_close(fd[0]); | |
648 | if (IoOFP(wstio)) | |
649 | PerlIO_close(IoOFP(wstio)); | |
650 | else | |
651 | PerlLIO_close(fd[1]); | |
a0d0e21e LW |
652 | goto badexit; |
653 | } | |
4771b018 GS |
654 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
655 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
656 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
657 | #endif | |
a0d0e21e LW |
658 | RETPUSHYES; |
659 | ||
660 | badexit: | |
661 | RETPUSHUNDEF; | |
662 | #else | |
cea2e8a9 | 663 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
664 | #endif |
665 | } | |
666 | ||
667 | PP(pp_fileno) | |
668 | { | |
27da23d5 | 669 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
670 | GV *gv; |
671 | IO *io; | |
760ac839 | 672 | PerlIO *fp; |
4592e6ca NIS |
673 | MAGIC *mg; |
674 | ||
a0d0e21e LW |
675 | if (MAXARG < 1) |
676 | RETPUSHUNDEF; | |
677 | gv = (GV*)POPs; | |
4592e6ca | 678 | |
5b468f54 AMS |
679 | if (gv && (io = GvIO(gv)) |
680 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
681 | { | |
4592e6ca | 682 | PUSHMARK(SP); |
5b468f54 | 683 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
684 | PUTBACK; |
685 | ENTER; | |
864dbfa3 | 686 | call_method("FILENO", G_SCALAR); |
4592e6ca NIS |
687 | LEAVE; |
688 | SPAGAIN; | |
689 | RETURN; | |
690 | } | |
691 | ||
c289d2f7 JH |
692 | if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
693 | /* Can't do this because people seem to do things like | |
694 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
695 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
696 | report_evil_fh(gv, io, PL_op->op_type); | |
697 | */ | |
a0d0e21e | 698 | RETPUSHUNDEF; |
c289d2f7 JH |
699 | } |
700 | ||
760ac839 | 701 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
702 | RETURN; |
703 | } | |
704 | ||
705 | PP(pp_umask) | |
706 | { | |
97aff369 | 707 | dVAR; |
27da23d5 | 708 | dSP; |
d7e492a4 | 709 | #ifdef HAS_UMASK |
27da23d5 | 710 | dTARGET; |
761237fe | 711 | Mode_t anum; |
a0d0e21e | 712 | |
a0d0e21e | 713 | if (MAXARG < 1) { |
b0b546b3 GA |
714 | anum = PerlLIO_umask(022); |
715 | /* setting it to 022 between the two calls to umask avoids | |
716 | * to have a window where the umask is set to 0 -- meaning | |
717 | * that another thread could create world-writeable files. */ | |
718 | if (anum != 022) | |
719 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
720 | } |
721 | else | |
6ad3d225 | 722 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
723 | TAINT_PROPER("umask"); |
724 | XPUSHi(anum); | |
725 | #else | |
a0288114 | 726 | /* Only DIE if trying to restrict permissions on "user" (self). |
eec2d3df GS |
727 | * Otherwise it's harmless and more useful to just return undef |
728 | * since 'group' and 'other' concepts probably don't exist here. */ | |
729 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 730 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 731 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
732 | #endif |
733 | RETURN; | |
734 | } | |
735 | ||
736 | PP(pp_binmode) | |
737 | { | |
27da23d5 | 738 | dVAR; dSP; |
a0d0e21e LW |
739 | GV *gv; |
740 | IO *io; | |
760ac839 | 741 | PerlIO *fp; |
a0714e2c | 742 | SV *discp = NULL; |
a0d0e21e LW |
743 | |
744 | if (MAXARG < 1) | |
745 | RETPUSHUNDEF; | |
60382766 | 746 | if (MAXARG > 1) { |
16fe6d59 | 747 | discp = POPs; |
60382766 | 748 | } |
a0d0e21e | 749 | |
301e8125 | 750 | gv = (GV*)POPs; |
4592e6ca | 751 | |
a79db61d AL |
752 | if (gv && (io = GvIO(gv))) { |
753 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
754 | if (mg) { | |
755 | PUSHMARK(SP); | |
756 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
757 | if (discp) | |
758 | XPUSHs(discp); | |
759 | PUTBACK; | |
760 | ENTER; | |
761 | call_method("BINMODE", G_SCALAR); | |
762 | LEAVE; | |
763 | SPAGAIN; | |
764 | RETURN; | |
765 | } | |
4592e6ca | 766 | } |
a0d0e21e LW |
767 | |
768 | EXTEND(SP, 1); | |
50f846a7 | 769 | if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
c289d2f7 JH |
770 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
771 | report_evil_fh(gv, io, PL_op->op_type); | |
b5fe5ca2 | 772 | SETERRNO(EBADF,RMS_IFI); |
50f846a7 SC |
773 | RETPUSHUNDEF; |
774 | } | |
a0d0e21e | 775 | |
40d98b49 | 776 | PUTBACK; |
f0a78170 NC |
777 | { |
778 | const int mode = mode_from_discipline(discp); | |
779 | const char *const d = (discp ? SvPV_nolen_const(discp) : NULL); | |
780 | if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) { | |
781 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
782 | if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) { | |
783 | SPAGAIN; | |
784 | RETPUSHUNDEF; | |
785 | } | |
786 | } | |
787 | SPAGAIN; | |
788 | RETPUSHYES; | |
789 | } | |
790 | else { | |
791 | SPAGAIN; | |
792 | RETPUSHUNDEF; | |
38af81ff | 793 | } |
40d98b49 | 794 | } |
a0d0e21e LW |
795 | } |
796 | ||
797 | PP(pp_tie) | |
798 | { | |
27da23d5 | 799 | dVAR; dSP; dMARK; |
a0d0e21e LW |
800 | HV* stash; |
801 | GV *gv; | |
a0d0e21e | 802 | SV *sv; |
1df70142 | 803 | const I32 markoff = MARK - PL_stack_base; |
e1ec3a88 | 804 | const char *methname; |
14befaf4 | 805 | int how = PERL_MAGIC_tied; |
e336de0d | 806 | U32 items; |
c4420975 | 807 | SV *varsv = *++MARK; |
a0d0e21e | 808 | |
6b05c17a NIS |
809 | switch(SvTYPE(varsv)) { |
810 | case SVt_PVHV: | |
811 | methname = "TIEHASH"; | |
bfcb3514 | 812 | HvEITER_set((HV *)varsv, 0); |
6b05c17a NIS |
813 | break; |
814 | case SVt_PVAV: | |
815 | methname = "TIEARRAY"; | |
816 | break; | |
817 | case SVt_PVGV: | |
7fb37951 AMS |
818 | #ifdef GV_UNIQUE_CHECK |
819 | if (GvUNIQUE((GV*)varsv)) { | |
820 | Perl_croak(aTHX_ "Attempt to tie unique GV"); | |
5bd07a3d DM |
821 | } |
822 | #endif | |
6b05c17a | 823 | methname = "TIEHANDLE"; |
14befaf4 | 824 | how = PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
825 | /* For tied filehandles, we apply tiedscalar magic to the IO |
826 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
827 | if (!GvIOp(varsv)) | |
828 | GvIOp(varsv) = newIO(); | |
829 | varsv = (SV *)GvIOp(varsv); | |
6b05c17a NIS |
830 | break; |
831 | default: | |
832 | methname = "TIESCALAR"; | |
14befaf4 | 833 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
834 | break; |
835 | } | |
e336de0d GS |
836 | items = SP - MARK++; |
837 | if (sv_isobject(*MARK)) { | |
6b05c17a | 838 | ENTER; |
e788e7d3 | 839 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 840 | PUSHMARK(SP); |
eb160463 | 841 | EXTEND(SP,(I32)items); |
e336de0d GS |
842 | while (items--) |
843 | PUSHs(*MARK++); | |
844 | PUTBACK; | |
864dbfa3 | 845 | call_method(methname, G_SCALAR); |
301e8125 | 846 | } |
6b05c17a | 847 | else { |
864dbfa3 | 848 | /* Not clear why we don't call call_method here too. |
6b05c17a NIS |
849 | * perhaps to get different error message ? |
850 | */ | |
da51bb9b | 851 | stash = gv_stashsv(*MARK, 0); |
6b05c17a | 852 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
35c1215d | 853 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", |
be2597df | 854 | methname, SVfARG(*MARK)); |
6b05c17a NIS |
855 | } |
856 | ENTER; | |
e788e7d3 | 857 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 858 | PUSHMARK(SP); |
eb160463 | 859 | EXTEND(SP,(I32)items); |
e336de0d GS |
860 | while (items--) |
861 | PUSHs(*MARK++); | |
862 | PUTBACK; | |
864dbfa3 | 863 | call_sv((SV*)GvCV(gv), G_SCALAR); |
6b05c17a | 864 | } |
a0d0e21e LW |
865 | SPAGAIN; |
866 | ||
867 | sv = TOPs; | |
d3acc0f7 | 868 | POPSTACK; |
a0d0e21e | 869 | if (sv_isobject(sv)) { |
33c27489 | 870 | sv_unmagic(varsv, how); |
ae21d580 | 871 | /* Croak if a self-tie on an aggregate is attempted. */ |
b881518d | 872 | if (varsv == SvRV(sv) && |
d87ebaca YST |
873 | (SvTYPE(varsv) == SVt_PVAV || |
874 | SvTYPE(varsv) == SVt_PVHV)) | |
ae21d580 JH |
875 | Perl_croak(aTHX_ |
876 | "Self-ties of arrays and hashes are not supported"); | |
a0714e2c | 877 | sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0); |
a0d0e21e LW |
878 | } |
879 | LEAVE; | |
3280af22 | 880 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
881 | PUSHs(sv); |
882 | RETURN; | |
883 | } | |
884 | ||
885 | PP(pp_untie) | |
886 | { | |
27da23d5 | 887 | dVAR; dSP; |
5b468f54 | 888 | MAGIC *mg; |
33c27489 | 889 | SV *sv = POPs; |
1df70142 | 890 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 891 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
55497cff | 892 | |
5b468f54 AMS |
893 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) |
894 | RETPUSHYES; | |
895 | ||
65eba18f | 896 | if ((mg = SvTIED_mg(sv, how))) { |
1b6737cc | 897 | SV * const obj = SvRV(SvTIED_obj(sv, mg)); |
fa2b88e0 | 898 | if (obj) { |
c4420975 | 899 | GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE); |
0bd48802 | 900 | CV *cv; |
c4420975 | 901 | if (gv && isGV(gv) && (cv = GvCV(gv))) { |
fa2b88e0 JS |
902 | PUSHMARK(SP); |
903 | XPUSHs(SvTIED_obj((SV*)gv, mg)); | |
904 | XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); | |
905 | PUTBACK; | |
906 | ENTER; | |
907 | call_sv((SV *)cv, G_VOID); | |
908 | LEAVE; | |
909 | SPAGAIN; | |
910 | } | |
041457d9 | 911 | else if (mg && SvREFCNT(obj) > 1 && ckWARN(WARN_UNTIE)) { |
9014280d | 912 | Perl_warner(aTHX_ packWARN(WARN_UNTIE), |
fa2b88e0 JS |
913 | "untie attempted while %"UVuf" inner references still exist", |
914 | (UV)SvREFCNT(obj) - 1 ) ; | |
c4420975 | 915 | } |
cbdc8872 | 916 | } |
917 | } | |
38193a09 | 918 | sv_unmagic(sv, how) ; |
55497cff | 919 | RETPUSHYES; |
a0d0e21e LW |
920 | } |
921 | ||
c07a80fd | 922 | PP(pp_tied) |
923 | { | |
97aff369 | 924 | dVAR; |
39644a26 | 925 | dSP; |
1b6737cc | 926 | const MAGIC *mg; |
33c27489 | 927 | SV *sv = POPs; |
1df70142 | 928 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 929 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
930 | |
931 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) | |
932 | RETPUSHUNDEF; | |
c07a80fd | 933 | |
155aba94 | 934 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
935 | SV *osv = SvTIED_obj(sv, mg); |
936 | if (osv == mg->mg_obj) | |
937 | osv = sv_mortalcopy(osv); | |
938 | PUSHs(osv); | |
939 | RETURN; | |
c07a80fd | 940 | } |
c07a80fd | 941 | RETPUSHUNDEF; |
942 | } | |
943 | ||
a0d0e21e LW |
944 | PP(pp_dbmopen) |
945 | { | |
27da23d5 | 946 | dVAR; dSP; |
a0d0e21e LW |
947 | dPOPPOPssrl; |
948 | HV* stash; | |
949 | GV *gv; | |
a0d0e21e | 950 | |
1b6737cc | 951 | HV * const hv = (HV*)POPs; |
7c58897d | 952 | SV * const sv = sv_2mortal(newSVpvs("AnyDBM_File")); |
da51bb9b | 953 | stash = gv_stashsv(sv, 0); |
8ebc5c01 | 954 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 955 | PUTBACK; |
864dbfa3 | 956 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 957 | SPAGAIN; |
8ebc5c01 | 958 | if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 959 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
960 | } |
961 | ||
57d3b86d | 962 | ENTER; |
924508f0 | 963 | PUSHMARK(SP); |
6b05c17a | 964 | |
924508f0 | 965 | EXTEND(SP, 5); |
a0d0e21e LW |
966 | PUSHs(sv); |
967 | PUSHs(left); | |
968 | if (SvIV(right)) | |
b448e4fe | 969 | PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); |
a0d0e21e | 970 | else |
b448e4fe | 971 | PUSHs(sv_2mortal(newSVuv(O_RDWR))); |
a0d0e21e | 972 | PUSHs(right); |
57d3b86d | 973 | PUTBACK; |
864dbfa3 | 974 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
975 | SPAGAIN; |
976 | ||
977 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
978 | SP--; |
979 | PUSHMARK(SP); | |
a0d0e21e LW |
980 | PUSHs(sv); |
981 | PUSHs(left); | |
b448e4fe | 982 | PUSHs(sv_2mortal(newSVuv(O_RDONLY))); |
a0d0e21e | 983 | PUSHs(right); |
a0d0e21e | 984 | PUTBACK; |
864dbfa3 | 985 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
986 | SPAGAIN; |
987 | } | |
988 | ||
6b05c17a | 989 | if (sv_isobject(TOPs)) { |
14befaf4 | 990 | sv_unmagic((SV *) hv, PERL_MAGIC_tied); |
bd61b366 | 991 | sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, NULL, 0); |
6b05c17a | 992 | } |
a0d0e21e LW |
993 | LEAVE; |
994 | RETURN; | |
995 | } | |
996 | ||
a0d0e21e LW |
997 | PP(pp_sselect) |
998 | { | |
a0d0e21e | 999 | #ifdef HAS_SELECT |
97aff369 | 1000 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
1001 | register I32 i; |
1002 | register I32 j; | |
1003 | register char *s; | |
1004 | register SV *sv; | |
65202027 | 1005 | NV value; |
a0d0e21e LW |
1006 | I32 maxlen = 0; |
1007 | I32 nfound; | |
1008 | struct timeval timebuf; | |
1009 | struct timeval *tbuf = &timebuf; | |
1010 | I32 growsize; | |
1011 | char *fd_sets[4]; | |
1012 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1013 | I32 masksize; | |
1014 | I32 offset; | |
1015 | I32 k; | |
1016 | ||
1017 | # if BYTEORDER & 0xf0000 | |
1018 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
1019 | # else | |
1020 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
1021 | # endif | |
1022 | ||
1023 | #endif | |
1024 | ||
1025 | SP -= 4; | |
1026 | for (i = 1; i <= 3; i++) { | |
c4420975 | 1027 | SV * const sv = SP[i]; |
15547071 GA |
1028 | if (!SvOK(sv)) |
1029 | continue; | |
1030 | if (SvREADONLY(sv)) { | |
729c079f NC |
1031 | if (SvIsCOW(sv)) |
1032 | sv_force_normal_flags(sv, 0); | |
15547071 | 1033 | if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0)) |
729c079f NC |
1034 | DIE(aTHX_ PL_no_modify); |
1035 | } | |
4ef2275c GA |
1036 | if (!SvPOK(sv)) { |
1037 | if (ckWARN(WARN_MISC)) | |
1038 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); | |
1039 | SvPV_force_nolen(sv); /* force string conversion */ | |
1040 | } | |
729c079f | 1041 | j = SvCUR(sv); |
a0d0e21e LW |
1042 | if (maxlen < j) |
1043 | maxlen = j; | |
1044 | } | |
1045 | ||
5ff3f7a4 | 1046 | /* little endians can use vecs directly */ |
e366b469 | 1047 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 1048 | # ifdef NFDBITS |
a0d0e21e | 1049 | |
5ff3f7a4 GS |
1050 | # ifndef NBBY |
1051 | # define NBBY 8 | |
1052 | # endif | |
a0d0e21e LW |
1053 | |
1054 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1055 | # else |
a0d0e21e | 1056 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1057 | # endif |
a0d0e21e LW |
1058 | Zero(&fd_sets[0], 4, char*); |
1059 | #endif | |
1060 | ||
ad517f75 MHM |
1061 | # if SELECT_MIN_BITS == 1 |
1062 | growsize = sizeof(fd_set); | |
1063 | # else | |
1064 | # if defined(__GLIBC__) && defined(__FD_SETSIZE) | |
1065 | # undef SELECT_MIN_BITS | |
1066 | # define SELECT_MIN_BITS __FD_SETSIZE | |
1067 | # endif | |
e366b469 PG |
1068 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
1069 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1070 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
1071 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates | |
1072 | * on (sets/tests/clears bits) is 32 bits. */ | |
1073 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
e366b469 PG |
1074 | # endif |
1075 | ||
a0d0e21e LW |
1076 | sv = SP[4]; |
1077 | if (SvOK(sv)) { | |
1078 | value = SvNV(sv); | |
1079 | if (value < 0.0) | |
1080 | value = 0.0; | |
1081 | timebuf.tv_sec = (long)value; | |
65202027 | 1082 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1083 | timebuf.tv_usec = (long)(value * 1000000.0); |
1084 | } | |
1085 | else | |
4608196e | 1086 | tbuf = NULL; |
a0d0e21e LW |
1087 | |
1088 | for (i = 1; i <= 3; i++) { | |
1089 | sv = SP[i]; | |
15547071 | 1090 | if (!SvOK(sv) || SvCUR(sv) == 0) { |
a0d0e21e LW |
1091 | fd_sets[i] = 0; |
1092 | continue; | |
1093 | } | |
4ef2275c | 1094 | assert(SvPOK(sv)); |
a0d0e21e LW |
1095 | j = SvLEN(sv); |
1096 | if (j < growsize) { | |
1097 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1098 | } |
c07a80fd | 1099 | j = SvCUR(sv); |
1100 | s = SvPVX(sv) + j; | |
1101 | while (++j <= growsize) { | |
1102 | *s++ = '\0'; | |
1103 | } | |
1104 | ||
a0d0e21e LW |
1105 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1106 | s = SvPVX(sv); | |
a02a5408 | 1107 | Newx(fd_sets[i], growsize, char); |
a0d0e21e LW |
1108 | for (offset = 0; offset < growsize; offset += masksize) { |
1109 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1110 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1111 | } | |
1112 | #else | |
1113 | fd_sets[i] = SvPVX(sv); | |
1114 | #endif | |
1115 | } | |
1116 | ||
dc4c69d9 JH |
1117 | #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST |
1118 | /* Can't make just the (void*) conditional because that would be | |
1119 | * cpp #if within cpp macro, and not all compilers like that. */ | |
1120 | nfound = PerlSock_select( | |
1121 | maxlen * 8, | |
1122 | (Select_fd_set_t) fd_sets[1], | |
1123 | (Select_fd_set_t) fd_sets[2], | |
1124 | (Select_fd_set_t) fd_sets[3], | |
1125 | (void*) tbuf); /* Workaround for compiler bug. */ | |
1126 | #else | |
6ad3d225 | 1127 | nfound = PerlSock_select( |
a0d0e21e LW |
1128 | maxlen * 8, |
1129 | (Select_fd_set_t) fd_sets[1], | |
1130 | (Select_fd_set_t) fd_sets[2], | |
1131 | (Select_fd_set_t) fd_sets[3], | |
1132 | tbuf); | |
dc4c69d9 | 1133 | #endif |
a0d0e21e LW |
1134 | for (i = 1; i <= 3; i++) { |
1135 | if (fd_sets[i]) { | |
1136 | sv = SP[i]; | |
1137 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1138 | s = SvPVX(sv); | |
1139 | for (offset = 0; offset < growsize; offset += masksize) { | |
1140 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1141 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1142 | } | |
1143 | Safefree(fd_sets[i]); | |
1144 | #endif | |
1145 | SvSETMAGIC(sv); | |
1146 | } | |
1147 | } | |
1148 | ||
4189264e | 1149 | PUSHi(nfound); |
a0d0e21e | 1150 | if (GIMME == G_ARRAY && tbuf) { |
65202027 DS |
1151 | value = (NV)(timebuf.tv_sec) + |
1152 | (NV)(timebuf.tv_usec) / 1000000.0; | |
7c58897d | 1153 | PUSHs(sv_2mortal(newSVnv(value))); |
a0d0e21e LW |
1154 | } |
1155 | RETURN; | |
1156 | #else | |
cea2e8a9 | 1157 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1158 | #endif |
1159 | } | |
1160 | ||
4633a7c4 | 1161 | void |
864dbfa3 | 1162 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 | 1163 | { |
97aff369 | 1164 | dVAR; |
b37c2d43 | 1165 | SvREFCNT_inc_simple_void(gv); |
3280af22 NIS |
1166 | if (PL_defoutgv) |
1167 | SvREFCNT_dec(PL_defoutgv); | |
1168 | PL_defoutgv = gv; | |
4633a7c4 LW |
1169 | } |
1170 | ||
a0d0e21e LW |
1171 | PP(pp_select) |
1172 | { | |
97aff369 | 1173 | dVAR; dSP; dTARGET; |
4633a7c4 | 1174 | HV *hv; |
a79db61d | 1175 | GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : NULL; |
7452cf6a | 1176 | GV * egv = GvEGV(PL_defoutgv); |
4633a7c4 | 1177 | |
4633a7c4 | 1178 | if (!egv) |
3280af22 | 1179 | egv = PL_defoutgv; |
4633a7c4 LW |
1180 | hv = GvSTASH(egv); |
1181 | if (! hv) | |
3280af22 | 1182 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1183 | else { |
c4420975 | 1184 | GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1185 | if (gvp && *gvp == egv) { |
bd61b366 | 1186 | gv_efullname4(TARG, PL_defoutgv, NULL, TRUE); |
f86702cc | 1187 | XPUSHTARG; |
1188 | } | |
1189 | else { | |
1190 | XPUSHs(sv_2mortal(newRV((SV*)egv))); | |
1191 | } | |
4633a7c4 LW |
1192 | } |
1193 | ||
1194 | if (newdefout) { | |
ded8aa31 GS |
1195 | if (!GvIO(newdefout)) |
1196 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1197 | setdefout(newdefout); |
1198 | } | |
1199 | ||
a0d0e21e LW |
1200 | RETURN; |
1201 | } | |
1202 | ||
1203 | PP(pp_getc) | |
1204 | { | |
27da23d5 | 1205 | dVAR; dSP; dTARGET; |
90133b69 | 1206 | IO *io = NULL; |
1b6737cc | 1207 | GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs; |
2ae324a7 | 1208 | |
a79db61d AL |
1209 | if (gv && (io = GvIO(gv))) { |
1210 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
1211 | if (mg) { | |
1212 | const I32 gimme = GIMME_V; | |
1213 | PUSHMARK(SP); | |
1214 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
1215 | PUTBACK; | |
1216 | ENTER; | |
1217 | call_method("GETC", gimme); | |
1218 | LEAVE; | |
1219 | SPAGAIN; | |
1220 | if (gimme == G_SCALAR) | |
1221 | SvSetMagicSV_nosteal(TARG, TOPs); | |
1222 | RETURN; | |
1223 | } | |
2ae324a7 | 1224 | } |
90133b69 | 1225 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
041457d9 DM |
1226 | if ((!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)) |
1227 | && ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
90133b69 | 1228 | report_evil_fh(gv, io, PL_op->op_type); |
b5fe5ca2 | 1229 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1230 | RETPUSHUNDEF; |
90133b69 | 1231 | } |
bbce6d69 | 1232 | TAINT; |
c69006e4 | 1233 | sv_setpvn(TARG, " ", 1); |
9bc64814 | 1234 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1235 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1236 | /* Find out how many bytes the char needs */ | |
aa07b2f6 | 1237 | Size_t len = UTF8SKIP(SvPVX_const(TARG)); |
7d59b7e4 NIS |
1238 | if (len > 1) { |
1239 | SvGROW(TARG,len+1); | |
1240 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1241 | SvCUR_set(TARG,1+len); | |
1242 | } | |
1243 | SvUTF8_on(TARG); | |
1244 | } | |
a0d0e21e LW |
1245 | PUSHTARG; |
1246 | RETURN; | |
1247 | } | |
1248 | ||
76e3520e | 1249 | STATIC OP * |
cea2e8a9 | 1250 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1251 | { |
27da23d5 | 1252 | dVAR; |
c09156bb | 1253 | register PERL_CONTEXT *cx; |
f54cb97a | 1254 | const I32 gimme = GIMME_V; |
a0d0e21e LW |
1255 | |
1256 | ENTER; | |
1257 | SAVETMPS; | |
1258 | ||
146174a9 | 1259 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
a0d0e21e | 1260 | PUSHFORMAT(cx); |
f39bc417 | 1261 | cx->blk_sub.retop = retop; |
fd617465 DM |
1262 | SAVECOMPPAD(); |
1263 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
a0d0e21e | 1264 | |
4633a7c4 | 1265 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1266 | return CvSTART(cv); |
1267 | } | |
1268 | ||
1269 | PP(pp_enterwrite) | |
1270 | { | |
97aff369 | 1271 | dVAR; |
39644a26 | 1272 | dSP; |
a0d0e21e LW |
1273 | register GV *gv; |
1274 | register IO *io; | |
1275 | GV *fgv; | |
1276 | CV *cv; | |
10edeb5d | 1277 | SV * tmpsv = NULL; |
a0d0e21e LW |
1278 | |
1279 | if (MAXARG == 0) | |
3280af22 | 1280 | gv = PL_defoutgv; |
a0d0e21e LW |
1281 | else { |
1282 | gv = (GV*)POPs; | |
1283 | if (!gv) | |
3280af22 | 1284 | gv = PL_defoutgv; |
a0d0e21e LW |
1285 | } |
1286 | EXTEND(SP, 1); | |
1287 | io = GvIO(gv); | |
1288 | if (!io) { | |
1289 | RETPUSHNO; | |
1290 | } | |
1291 | if (IoFMT_GV(io)) | |
1292 | fgv = IoFMT_GV(io); | |
1293 | else | |
1294 | fgv = gv; | |
1295 | ||
a79db61d AL |
1296 | if (!fgv) |
1297 | goto not_a_format_reference; | |
1298 | ||
a0d0e21e | 1299 | cv = GvFORM(fgv); |
a0d0e21e | 1300 | if (!cv) { |
f4a7049d | 1301 | const char *name; |
10edeb5d | 1302 | tmpsv = sv_newmortal(); |
f4a7049d NC |
1303 | gv_efullname4(tmpsv, fgv, NULL, FALSE); |
1304 | name = SvPV_nolen_const(tmpsv); | |
1305 | if (name && *name) | |
1306 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
a79db61d AL |
1307 | |
1308 | not_a_format_reference: | |
cea2e8a9 | 1309 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1310 | } |
44a8e56a | 1311 | if (CvCLONE(cv)) |
1312 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
a0d0e21e | 1313 | |
44a8e56a | 1314 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1315 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1316 | } |
1317 | ||
1318 | PP(pp_leavewrite) | |
1319 | { | |
27da23d5 | 1320 | dVAR; dSP; |
1b6737cc AL |
1321 | GV * const gv = cxstack[cxstack_ix].blk_sub.gv; |
1322 | register IO * const io = GvIOp(gv); | |
8b8cacda | 1323 | PerlIO *ofp; |
760ac839 | 1324 | PerlIO *fp; |
8772537c AL |
1325 | SV **newsp; |
1326 | I32 gimme; | |
c09156bb | 1327 | register PERL_CONTEXT *cx; |
a0d0e21e | 1328 | |
8b8cacda B |
1329 | if (!io || !(ofp = IoOFP(io))) |
1330 | goto forget_top; | |
1331 | ||
760ac839 | 1332 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1333 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
8b8cacda | 1334 | |
3280af22 NIS |
1335 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1336 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1337 | { |
4633a7c4 LW |
1338 | GV *fgv; |
1339 | CV *cv; | |
a0d0e21e LW |
1340 | if (!IoTOP_GV(io)) { |
1341 | GV *topgv; | |
a0d0e21e LW |
1342 | |
1343 | if (!IoTOP_NAME(io)) { | |
1b6737cc | 1344 | SV *topname; |
a0d0e21e LW |
1345 | if (!IoFMT_NAME(io)) |
1346 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
0bd0581c | 1347 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv))); |
f776e3cd | 1348 | topgv = gv_fetchsv(topname, 0, SVt_PVFM); |
748a9306 | 1349 | if ((topgv && GvFORM(topgv)) || |
fafc274c | 1350 | !gv_fetchpvs("top", GV_NOTQUAL, SVt_PVFM)) |
2e0de35c | 1351 | IoTOP_NAME(io) = savesvpv(topname); |
a0d0e21e | 1352 | else |
89529cee | 1353 | IoTOP_NAME(io) = savepvs("top"); |
a0d0e21e | 1354 | } |
f776e3cd | 1355 | topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM); |
a0d0e21e | 1356 | if (!topgv || !GvFORM(topgv)) { |
b929a54b | 1357 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
a0d0e21e LW |
1358 | goto forget_top; |
1359 | } | |
1360 | IoTOP_GV(io) = topgv; | |
1361 | } | |
748a9306 LW |
1362 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1363 | I32 lines = IoLINES_LEFT(io); | |
504618e9 | 1364 | const char *s = SvPVX_const(PL_formtarget); |
8e07c86e AD |
1365 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1366 | goto forget_top; | |
748a9306 LW |
1367 | while (lines-- > 0) { |
1368 | s = strchr(s, '\n'); | |
1369 | if (!s) | |
1370 | break; | |
1371 | s++; | |
1372 | } | |
1373 | if (s) { | |
f54cb97a | 1374 | const STRLEN save = SvCUR(PL_formtarget); |
aa07b2f6 | 1375 | SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget)); |
d75029d0 NIS |
1376 | do_print(PL_formtarget, ofp); |
1377 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1378 | sv_chop(PL_formtarget, s); |
1379 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1380 | } |
1381 | } | |
a0d0e21e | 1382 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1383 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1384 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1385 | IoPAGE(io)++; | |
3280af22 | 1386 | PL_formtarget = PL_toptarget; |
748a9306 | 1387 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1388 | fgv = IoTOP_GV(io); |
1389 | if (!fgv) | |
cea2e8a9 | 1390 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1391 | cv = GvFORM(fgv); |
1df70142 AL |
1392 | if (!cv) { |
1393 | SV * const sv = sv_newmortal(); | |
b464bac0 | 1394 | const char *name; |
bd61b366 | 1395 | gv_efullname4(sv, fgv, NULL, FALSE); |
e62f0680 | 1396 | name = SvPV_nolen_const(sv); |
2dd78f96 | 1397 | if (name && *name) |
0e528f24 JH |
1398 | DIE(aTHX_ "Undefined top format \"%s\" called", name); |
1399 | else | |
1400 | DIE(aTHX_ "Undefined top format called"); | |
4633a7c4 | 1401 | } |
0e528f24 | 1402 | if (cv && CvCLONE(cv)) |
44a8e56a | 1403 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); |
0e528f24 | 1404 | return doform(cv, gv, PL_op); |
a0d0e21e LW |
1405 | } |
1406 | ||
1407 | forget_top: | |
3280af22 | 1408 | POPBLOCK(cx,PL_curpm); |
a0d0e21e LW |
1409 | POPFORMAT(cx); |
1410 | LEAVE; | |
1411 | ||
1412 | fp = IoOFP(io); | |
1413 | if (!fp) { | |
599cee73 | 1414 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
6e6ef6b2 NC |
1415 | if (IoIFP(io)) |
1416 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1417 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1418 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1419 | } |
3280af22 | 1420 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1421 | } |
1422 | else { | |
3280af22 | 1423 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
599cee73 | 1424 | if (ckWARN(WARN_IO)) |
9014280d | 1425 | Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1426 | } |
d75029d0 | 1427 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1428 | PUSHs(&PL_sv_no); |
a0d0e21e | 1429 | else { |
3280af22 NIS |
1430 | FmLINES(PL_formtarget) = 0; |
1431 | SvCUR_set(PL_formtarget, 0); | |
1432 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1433 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1434 | (void)PerlIO_flush(fp); |
3280af22 | 1435 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1436 | } |
1437 | } | |
9cbac4c7 | 1438 | /* bad_ofp: */ |
3280af22 | 1439 | PL_formtarget = PL_bodytarget; |
a0d0e21e | 1440 | PUTBACK; |
29033a8a SH |
1441 | PERL_UNUSED_VAR(newsp); |
1442 | PERL_UNUSED_VAR(gimme); | |
f39bc417 | 1443 | return cx->blk_sub.retop; |
a0d0e21e LW |
1444 | } |
1445 | ||
1446 | PP(pp_prtf) | |
1447 | { | |
27da23d5 | 1448 | dVAR; dSP; dMARK; dORIGMARK; |
a0d0e21e | 1449 | IO *io; |
760ac839 | 1450 | PerlIO *fp; |
26db47c4 | 1451 | SV *sv; |
a0d0e21e | 1452 | |
c4420975 | 1453 | GV * const gv = (PL_op->op_flags & OPf_STACKED) ? (GV*)*++MARK : PL_defoutgv; |
46fc3d4c | 1454 | |
a79db61d AL |
1455 | if (gv && (io = GvIO(gv))) { |
1456 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
1457 | if (mg) { | |
1458 | if (MARK == ORIGMARK) { | |
1459 | MEXTEND(SP, 1); | |
1460 | ++MARK; | |
1461 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1462 | ++SP; | |
1463 | } | |
1464 | PUSHMARK(MARK - 1); | |
1465 | *MARK = SvTIED_obj((SV*)io, mg); | |
1466 | PUTBACK; | |
1467 | ENTER; | |
1468 | call_method("PRINTF", G_SCALAR); | |
1469 | LEAVE; | |
1470 | SPAGAIN; | |
1471 | MARK = ORIGMARK + 1; | |
1472 | *MARK = *SP; | |
1473 | SP = MARK; | |
1474 | RETURN; | |
1475 | } | |
46fc3d4c | 1476 | } |
1477 | ||
561b68a9 | 1478 | sv = newSV(0); |
a0d0e21e | 1479 | if (!(io = GvIO(gv))) { |
2dd78f96 JH |
1480 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1481 | report_evil_fh(gv, io, PL_op->op_type); | |
93189314 | 1482 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
1483 | goto just_say_no; |
1484 | } | |
1485 | else if (!(fp = IoOFP(io))) { | |
599cee73 | 1486 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
6e6ef6b2 NC |
1487 | if (IoIFP(io)) |
1488 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1489 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1490 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1491 | } |
93189314 | 1492 | SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI); |
a0d0e21e LW |
1493 | goto just_say_no; |
1494 | } | |
1495 | else { | |
20ee07fb RGS |
1496 | if (SvTAINTED(MARK[1])) |
1497 | TAINT_PROPER("printf"); | |
a0d0e21e LW |
1498 | do_sprintf(sv, SP - MARK, MARK + 1); |
1499 | if (!do_print(sv, fp)) | |
1500 | goto just_say_no; | |
1501 | ||
1502 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1503 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1504 | goto just_say_no; |
1505 | } | |
1506 | SvREFCNT_dec(sv); | |
1507 | SP = ORIGMARK; | |
3280af22 | 1508 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1509 | RETURN; |
1510 | ||
1511 | just_say_no: | |
1512 | SvREFCNT_dec(sv); | |
1513 | SP = ORIGMARK; | |
3280af22 | 1514 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1515 | RETURN; |
1516 | } | |
1517 | ||
c07a80fd | 1518 | PP(pp_sysopen) |
1519 | { | |
97aff369 | 1520 | dVAR; |
39644a26 | 1521 | dSP; |
1df70142 AL |
1522 | const int perm = (MAXARG > 3) ? POPi : 0666; |
1523 | const int mode = POPi; | |
1b6737cc AL |
1524 | SV * const sv = POPs; |
1525 | GV * const gv = (GV *)POPs; | |
1526 | STRLEN len; | |
c07a80fd | 1527 | |
4592e6ca | 1528 | /* Need TIEHANDLE method ? */ |
1b6737cc | 1529 | const char * const tmps = SvPV_const(sv, len); |
e62f0680 | 1530 | /* FIXME? do_open should do const */ |
4608196e | 1531 | if (do_open(gv, tmps, len, TRUE, mode, perm, NULL)) { |
c07a80fd | 1532 | IoLINES(GvIOp(gv)) = 0; |
3280af22 | 1533 | PUSHs(&PL_sv_yes); |
c07a80fd | 1534 | } |
1535 | else { | |
3280af22 | 1536 | PUSHs(&PL_sv_undef); |
c07a80fd | 1537 | } |
1538 | RETURN; | |
1539 | } | |
1540 | ||
a0d0e21e LW |
1541 | PP(pp_sysread) |
1542 | { | |
27da23d5 | 1543 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1544 | int offset; |
a0d0e21e LW |
1545 | IO *io; |
1546 | char *buffer; | |
5b54f415 | 1547 | SSize_t length; |
eb5c063a | 1548 | SSize_t count; |
1e422769 | 1549 | Sock_size_t bufsize; |
748a9306 | 1550 | SV *bufsv; |
a0d0e21e | 1551 | STRLEN blen; |
eb5c063a | 1552 | int fp_utf8; |
1dd30107 NC |
1553 | int buffer_utf8; |
1554 | SV *read_target; | |
eb5c063a NIS |
1555 | Size_t got = 0; |
1556 | Size_t wanted; | |
1d636c13 | 1557 | bool charstart = FALSE; |
87330c3c JH |
1558 | STRLEN charskip = 0; |
1559 | STRLEN skip = 0; | |
a0d0e21e | 1560 | |
1b6737cc | 1561 | GV * const gv = (GV*)*++MARK; |
5b468f54 | 1562 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1b6737cc | 1563 | && gv && (io = GvIO(gv)) ) |
137443ea | 1564 | { |
1b6737cc AL |
1565 | const MAGIC * mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); |
1566 | if (mg) { | |
1567 | SV *sv; | |
1568 | PUSHMARK(MARK-1); | |
1569 | *MARK = SvTIED_obj((SV*)io, mg); | |
1570 | ENTER; | |
1571 | call_method("READ", G_SCALAR); | |
1572 | LEAVE; | |
1573 | SPAGAIN; | |
1574 | sv = POPs; | |
1575 | SP = ORIGMARK; | |
1576 | PUSHs(sv); | |
1577 | RETURN; | |
1578 | } | |
2ae324a7 | 1579 | } |
1580 | ||
a0d0e21e LW |
1581 | if (!gv) |
1582 | goto say_undef; | |
748a9306 | 1583 | bufsv = *++MARK; |
ff68c719 | 1584 | if (! SvOK(bufsv)) |
1585 | sv_setpvn(bufsv, "", 0); | |
a0d0e21e | 1586 | length = SvIVx(*++MARK); |
748a9306 | 1587 | SETERRNO(0,0); |
a0d0e21e LW |
1588 | if (MARK < SP) |
1589 | offset = SvIVx(*++MARK); | |
1590 | else | |
1591 | offset = 0; | |
1592 | io = GvIO(gv); | |
b5fe5ca2 SR |
1593 | if (!io || !IoIFP(io)) { |
1594 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
1595 | report_evil_fh(gv, io, PL_op->op_type); | |
1596 | SETERRNO(EBADF,RMS_IFI); | |
a0d0e21e | 1597 | goto say_undef; |
b5fe5ca2 | 1598 | } |
0064a8a9 | 1599 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1600 | buffer = SvPVutf8_force(bufsv, blen); |
1e54db1a | 1601 | /* UTF-8 may not have been set if they are all low bytes */ |
eb5c063a | 1602 | SvUTF8_on(bufsv); |
9b9d7ce8 | 1603 | buffer_utf8 = 0; |
7d59b7e4 NIS |
1604 | } |
1605 | else { | |
1606 | buffer = SvPV_force(bufsv, blen); | |
1dd30107 | 1607 | buffer_utf8 = !IN_BYTES && SvUTF8(bufsv); |
7d59b7e4 NIS |
1608 | } |
1609 | if (length < 0) | |
1610 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1611 | wanted = length; |
7d59b7e4 | 1612 | |
d0965105 JH |
1613 | charstart = TRUE; |
1614 | charskip = 0; | |
87330c3c | 1615 | skip = 0; |
d0965105 | 1616 | |
a0d0e21e | 1617 | #ifdef HAS_SOCKET |
533c011a | 1618 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1619 | char namebuf[MAXPATHLEN]; |
17a8c7ba | 1620 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) |
490ab354 JH |
1621 | bufsize = sizeof (struct sockaddr_in); |
1622 | #else | |
46fc3d4c | 1623 | bufsize = sizeof namebuf; |
490ab354 | 1624 | #endif |
abf95952 IZ |
1625 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1626 | if (bufsize >= 256) | |
1627 | bufsize = 255; | |
1628 | #endif | |
eb160463 | 1629 | buffer = SvGROW(bufsv, (STRLEN)(length+1)); |
bbce6d69 | 1630 | /* 'offset' means 'flags' here */ |
eb5c063a | 1631 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
10edeb5d | 1632 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1633 | if (count < 0) |
a0d0e21e | 1634 | RETPUSHUNDEF; |
4107cc59 OF |
1635 | #ifdef EPOC |
1636 | /* Bogus return without padding */ | |
1637 | bufsize = sizeof (struct sockaddr_in); | |
1638 | #endif | |
eb5c063a | 1639 | SvCUR_set(bufsv, count); |
748a9306 LW |
1640 | *SvEND(bufsv) = '\0'; |
1641 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1642 | if (fp_utf8) |
1643 | SvUTF8_on(bufsv); | |
748a9306 | 1644 | SvSETMAGIC(bufsv); |
aac0dd9a | 1645 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1646 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1647 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1648 | SP = ORIGMARK; |
46fc3d4c | 1649 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1650 | PUSHs(TARG); |
1651 | RETURN; | |
1652 | } | |
1653 | #else | |
911d147d | 1654 | if (PL_op->op_type == OP_RECV) |
cea2e8a9 | 1655 | DIE(aTHX_ PL_no_sock_func, "recv"); |
a0d0e21e | 1656 | #endif |
eb5c063a NIS |
1657 | if (DO_UTF8(bufsv)) { |
1658 | /* offset adjust in characters not bytes */ | |
1659 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1660 | } |
bbce6d69 | 1661 | if (offset < 0) { |
eb160463 | 1662 | if (-offset > (int)blen) |
cea2e8a9 | 1663 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1664 | offset += blen; |
1665 | } | |
eb5c063a NIS |
1666 | if (DO_UTF8(bufsv)) { |
1667 | /* convert offset-as-chars to offset-as-bytes */ | |
6960c29a CH |
1668 | if (offset >= (int)blen) |
1669 | offset += SvCUR(bufsv) - blen; | |
1670 | else | |
1671 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
eb5c063a NIS |
1672 | } |
1673 | more_bytes: | |
cd52b7b2 | 1674 | bufsize = SvCUR(bufsv); |
1dd30107 NC |
1675 | /* Allocating length + offset + 1 isn't perfect in the case of reading |
1676 | bytes from a byte file handle into a UTF8 buffer, but it won't harm us | |
1677 | unduly. | |
1678 | (should be 2 * length + offset + 1, or possibly something longer if | |
1679 | PL_encoding is true) */ | |
eb160463 | 1680 | buffer = SvGROW(bufsv, (STRLEN)(length+offset+1)); |
27da23d5 | 1681 | if (offset > 0 && (Sock_size_t)offset > bufsize) { /* Zero any newly allocated space */ |
cd52b7b2 | 1682 | Zero(buffer+bufsize, offset-bufsize, char); |
1683 | } | |
eb5c063a | 1684 | buffer = buffer + offset; |
1dd30107 NC |
1685 | if (!buffer_utf8) { |
1686 | read_target = bufsv; | |
1687 | } else { | |
1688 | /* Best to read the bytes into a new SV, upgrade that to UTF8, then | |
1689 | concatenate it to the current buffer. */ | |
1690 | ||
1691 | /* Truncate the existing buffer to the start of where we will be | |
1692 | reading to: */ | |
1693 | SvCUR_set(bufsv, offset); | |
1694 | ||
1695 | read_target = sv_newmortal(); | |
862a34c6 | 1696 | SvUPGRADE(read_target, SVt_PV); |
fe2774ed | 1697 | buffer = SvGROW(read_target, (STRLEN)(length + 1)); |
1dd30107 | 1698 | } |
eb5c063a | 1699 | |
533c011a | 1700 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1701 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1702 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1703 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1704 | buffer, length, 0); | |
a7092146 GS |
1705 | } |
1706 | else | |
1707 | #endif | |
1708 | { | |
eb5c063a NIS |
1709 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1710 | buffer, length); | |
a7092146 | 1711 | } |
a0d0e21e LW |
1712 | } |
1713 | else | |
1714 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1715 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1716 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1717 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1718 | bufsize = sizeof (struct sockaddr_in); | |
1719 | #else | |
46fc3d4c | 1720 | bufsize = sizeof namebuf; |
490ab354 | 1721 | #endif |
eb5c063a | 1722 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1723 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1724 | } |
1725 | else | |
1726 | #endif | |
3b02c43c | 1727 | { |
eb5c063a NIS |
1728 | count = PerlIO_read(IoIFP(io), buffer, length); |
1729 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1730 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1731 | count = -1; | |
3b02c43c | 1732 | } |
eb5c063a | 1733 | if (count < 0) { |
a00b5bd3 | 1734 | if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO)) |
6e6ef6b2 | 1735 | report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY); |
a0d0e21e | 1736 | goto say_undef; |
af8c498a | 1737 | } |
aa07b2f6 | 1738 | SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target))); |
1dd30107 NC |
1739 | *SvEND(read_target) = '\0'; |
1740 | (void)SvPOK_only(read_target); | |
0064a8a9 | 1741 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a | 1742 | /* Look at utf8 we got back and count the characters */ |
1df70142 | 1743 | const char *bend = buffer + count; |
eb5c063a | 1744 | while (buffer < bend) { |
d0965105 JH |
1745 | if (charstart) { |
1746 | skip = UTF8SKIP(buffer); | |
1747 | charskip = 0; | |
1748 | } | |
1749 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1750 | /* partial character - try for rest of it */ |
1751 | length = skip - (bend-buffer); | |
aa07b2f6 | 1752 | offset = bend - SvPVX_const(bufsv); |
d0965105 JH |
1753 | charstart = FALSE; |
1754 | charskip += count; | |
eb5c063a NIS |
1755 | goto more_bytes; |
1756 | } | |
1757 | else { | |
1758 | got++; | |
1759 | buffer += skip; | |
d0965105 JH |
1760 | charstart = TRUE; |
1761 | charskip = 0; | |
eb5c063a NIS |
1762 | } |
1763 | } | |
1764 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1765 | provided amount read (count) was what was requested (length) | |
1766 | */ | |
1767 | if (got < wanted && count == length) { | |
d0965105 | 1768 | length = wanted - got; |
aa07b2f6 | 1769 | offset = bend - SvPVX_const(bufsv); |
eb5c063a NIS |
1770 | goto more_bytes; |
1771 | } | |
1772 | /* return value is character count */ | |
1773 | count = got; | |
1774 | SvUTF8_on(bufsv); | |
1775 | } | |
1dd30107 NC |
1776 | else if (buffer_utf8) { |
1777 | /* Let svcatsv upgrade the bytes we read in to utf8. | |
1778 | The buffer is a mortal so will be freed soon. */ | |
1779 | sv_catsv_nomg(bufsv, read_target); | |
1780 | } | |
748a9306 | 1781 | SvSETMAGIC(bufsv); |
aac0dd9a | 1782 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1783 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1784 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1785 | SP = ORIGMARK; |
eb5c063a | 1786 | PUSHi(count); |
a0d0e21e LW |
1787 | RETURN; |
1788 | ||
1789 | say_undef: | |
1790 | SP = ORIGMARK; | |
1791 | RETPUSHUNDEF; | |
1792 | } | |
1793 | ||
a0d0e21e LW |
1794 | PP(pp_send) |
1795 | { | |
27da23d5 | 1796 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1797 | IO *io; |
748a9306 | 1798 | SV *bufsv; |
83003860 | 1799 | const char *buffer; |
8c99d73e | 1800 | SSize_t retval; |
a0d0e21e | 1801 | STRLEN blen; |
c9cb0f41 | 1802 | STRLEN orig_blen_bytes; |
64a1bc8e | 1803 | const int op_type = PL_op->op_type; |
c9cb0f41 NC |
1804 | bool doing_utf8; |
1805 | U8 *tmpbuf = NULL; | |
64a1bc8e | 1806 | |
7452cf6a | 1807 | GV *const gv = (GV*)*++MARK; |
14befaf4 | 1808 | if (PL_op->op_type == OP_SYSWRITE |
a79db61d AL |
1809 | && gv && (io = GvIO(gv))) { |
1810 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
1811 | if (mg) { | |
1812 | SV *sv; | |
64a1bc8e | 1813 | |
a79db61d AL |
1814 | if (MARK == SP - 1) { |
1815 | EXTEND(SP, 1000); | |
1816 | sv = sv_2mortal(newSViv(sv_len(*SP))); | |
1817 | PUSHs(sv); | |
1818 | PUTBACK; | |
1819 | } | |
1820 | ||
1821 | PUSHMARK(ORIGMARK); | |
1822 | *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg); | |
1823 | ENTER; | |
1824 | call_method("WRITE", G_SCALAR); | |
1825 | LEAVE; | |
1826 | SPAGAIN; | |
1827 | sv = POPs; | |
1828 | SP = ORIGMARK; | |
64a1bc8e | 1829 | PUSHs(sv); |
a79db61d | 1830 | RETURN; |
64a1bc8e | 1831 | } |
1d603a67 | 1832 | } |
a0d0e21e LW |
1833 | if (!gv) |
1834 | goto say_undef; | |
64a1bc8e | 1835 | |
748a9306 | 1836 | bufsv = *++MARK; |
64a1bc8e | 1837 | |
748a9306 | 1838 | SETERRNO(0,0); |
a0d0e21e | 1839 | io = GvIO(gv); |
cf167416 | 1840 | if (!io || !IoIFP(io) || IoTYPE(io) == IoTYPE_RDONLY) { |
8c99d73e | 1841 | retval = -1; |
cf167416 RGS |
1842 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
1843 | if (io && IoIFP(io)) | |
1844 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
1845 | else | |
1846 | report_evil_fh(gv, io, PL_op->op_type); | |
1847 | } | |
b5fe5ca2 | 1848 | SETERRNO(EBADF,RMS_IFI); |
7d59b7e4 NIS |
1849 | goto say_undef; |
1850 | } | |
1851 | ||
c9cb0f41 NC |
1852 | /* Do this first to trigger any overloading. */ |
1853 | buffer = SvPV_const(bufsv, blen); | |
1854 | orig_blen_bytes = blen; | |
1855 | doing_utf8 = DO_UTF8(bufsv); | |
1856 | ||
7d59b7e4 | 1857 | if (PerlIO_isutf8(IoIFP(io))) { |
6aa2f6a7 | 1858 | if (!SvUTF8(bufsv)) { |
c9cb0f41 NC |
1859 | /* We don't modify the original scalar. */ |
1860 | tmpbuf = bytes_to_utf8((const U8*) buffer, &blen); | |
1861 | buffer = (char *) tmpbuf; | |
1862 | doing_utf8 = TRUE; | |
1863 | } | |
a0d0e21e | 1864 | } |
c9cb0f41 NC |
1865 | else if (doing_utf8) { |
1866 | STRLEN tmplen = blen; | |
a79db61d | 1867 | U8 * const result = bytes_from_utf8((const U8*) buffer, &tmplen, &doing_utf8); |
c9cb0f41 NC |
1868 | if (!doing_utf8) { |
1869 | tmpbuf = result; | |
1870 | buffer = (char *) tmpbuf; | |
1871 | blen = tmplen; | |
1872 | } | |
1873 | else { | |
1874 | assert((char *)result == buffer); | |
1875 | Perl_croak(aTHX_ "Wide character in %s", OP_DESC(PL_op)); | |
1876 | } | |
7d59b7e4 NIS |
1877 | } |
1878 | ||
64a1bc8e | 1879 | if (op_type == OP_SYSWRITE) { |
c9cb0f41 NC |
1880 | Size_t length = 0; /* This length is in characters. */ |
1881 | STRLEN blen_chars; | |
7d59b7e4 | 1882 | IV offset; |
c9cb0f41 NC |
1883 | |
1884 | if (doing_utf8) { | |
1885 | if (tmpbuf) { | |
1886 | /* The SV is bytes, and we've had to upgrade it. */ | |
1887 | blen_chars = orig_blen_bytes; | |
1888 | } else { | |
1889 | /* The SV really is UTF-8. */ | |
1890 | if (SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
1891 | /* Don't call sv_len_utf8 again because it will call magic | |
1892 | or overloading a second time, and we might get back a | |
1893 | different result. */ | |
9a206dfd | 1894 | blen_chars = utf8_length((U8*)buffer, (U8*)buffer + blen); |
c9cb0f41 NC |
1895 | } else { |
1896 | /* It's safe, and it may well be cached. */ | |
1897 | blen_chars = sv_len_utf8(bufsv); | |
1898 | } | |
1899 | } | |
1900 | } else { | |
1901 | blen_chars = blen; | |
1902 | } | |
1903 | ||
1904 | if (MARK >= SP) { | |
1905 | length = blen_chars; | |
1906 | } else { | |
1907 | #if Size_t_size > IVSIZE | |
1908 | length = (Size_t)SvNVx(*++MARK); | |
1909 | #else | |
1910 | length = (Size_t)SvIVx(*++MARK); | |
1911 | #endif | |
4b0c4b6f NC |
1912 | if ((SSize_t)length < 0) { |
1913 | Safefree(tmpbuf); | |
c9cb0f41 | 1914 | DIE(aTHX_ "Negative length"); |
4b0c4b6f | 1915 | } |
7d59b7e4 | 1916 | } |
c9cb0f41 | 1917 | |
bbce6d69 | 1918 | if (MARK < SP) { |
a0d0e21e | 1919 | offset = SvIVx(*++MARK); |
bbce6d69 | 1920 | if (offset < 0) { |
4b0c4b6f NC |
1921 | if (-offset > (IV)blen_chars) { |
1922 | Safefree(tmpbuf); | |
cea2e8a9 | 1923 | DIE(aTHX_ "Offset outside string"); |
4b0c4b6f | 1924 | } |
c9cb0f41 | 1925 | offset += blen_chars; |
4b0c4b6f NC |
1926 | } else if (offset >= (IV)blen_chars && blen_chars > 0) { |
1927 | Safefree(tmpbuf); | |
cea2e8a9 | 1928 | DIE(aTHX_ "Offset outside string"); |
4b0c4b6f | 1929 | } |
bbce6d69 | 1930 | } else |
a0d0e21e | 1931 | offset = 0; |
c9cb0f41 NC |
1932 | if (length > blen_chars - offset) |
1933 | length = blen_chars - offset; | |
1934 | if (doing_utf8) { | |
1935 | /* Here we convert length from characters to bytes. */ | |
1936 | if (tmpbuf || SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
1937 | /* Either we had to convert the SV, or the SV is magical, or | |
1938 | the SV has overloading, in which case we can't or mustn't | |
1939 | or mustn't call it again. */ | |
1940 | ||
1941 | buffer = (const char*)utf8_hop((const U8 *)buffer, offset); | |
1942 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; | |
1943 | } else { | |
1944 | /* It's a real UTF-8 SV, and it's not going to change under | |
1945 | us. Take advantage of any cache. */ | |
1946 | I32 start = offset; | |
1947 | I32 len_I32 = length; | |
1948 | ||
1949 | /* Convert the start and end character positions to bytes. | |
1950 | Remember that the second argument to sv_pos_u2b is relative | |
1951 | to the first. */ | |
1952 | sv_pos_u2b(bufsv, &start, &len_I32); | |
1953 | ||
1954 | buffer += start; | |
1955 | length = len_I32; | |
1956 | } | |
7d59b7e4 NIS |
1957 | } |
1958 | else { | |
1959 | buffer = buffer+offset; | |
1960 | } | |
a7092146 | 1961 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1962 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1963 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1964 | buffer, length, 0); |
a7092146 GS |
1965 | } |
1966 | else | |
1967 | #endif | |
1968 | { | |
94e4c244 | 1969 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1970 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1971 | buffer, length); |
a7092146 | 1972 | } |
a0d0e21e LW |
1973 | } |
1974 | #ifdef HAS_SOCKET | |
64a1bc8e NC |
1975 | else { |
1976 | const int flags = SvIVx(*++MARK); | |
1977 | if (SP > MARK) { | |
1978 | STRLEN mlen; | |
1979 | char * const sockbuf = SvPVx(*++MARK, mlen); | |
1980 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, | |
1981 | flags, (struct sockaddr *)sockbuf, mlen); | |
1982 | } | |
1983 | else { | |
1984 | retval | |
1985 | = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags); | |
1986 | } | |
a0d0e21e | 1987 | } |
a0d0e21e LW |
1988 | #else |
1989 | else | |
cea2e8a9 | 1990 | DIE(aTHX_ PL_no_sock_func, "send"); |
a0d0e21e | 1991 | #endif |
c9cb0f41 | 1992 | |
8c99d73e | 1993 | if (retval < 0) |
a0d0e21e LW |
1994 | goto say_undef; |
1995 | SP = ORIGMARK; | |
c9cb0f41 | 1996 | if (doing_utf8) |
f36eea10 | 1997 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); |
4b0c4b6f | 1998 | |
a79db61d | 1999 | Safefree(tmpbuf); |
8c99d73e GS |
2000 | #if Size_t_size > IVSIZE |
2001 | PUSHn(retval); | |
2002 | #else | |
2003 | PUSHi(retval); | |
2004 | #endif | |
a0d0e21e LW |
2005 | RETURN; |
2006 | ||
2007 | say_undef: | |
a79db61d | 2008 | Safefree(tmpbuf); |
a0d0e21e LW |
2009 | SP = ORIGMARK; |
2010 | RETPUSHUNDEF; | |
2011 | } | |
2012 | ||
a0d0e21e LW |
2013 | PP(pp_eof) |
2014 | { | |
27da23d5 | 2015 | dVAR; dSP; |
a0d0e21e LW |
2016 | GV *gv; |
2017 | ||
32da55ab | 2018 | if (MAXARG == 0) { |
146174a9 CB |
2019 | if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ |
2020 | IO *io; | |
ed2c6b9b | 2021 | gv = PL_last_in_gv = GvEGV(PL_argvgv); |
146174a9 CB |
2022 | io = GvIO(gv); |
2023 | if (io && !IoIFP(io)) { | |
2024 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
2025 | IoLINES(io) = 0; | |
2026 | IoFLAGS(io) &= ~IOf_START; | |
4608196e | 2027 | do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL); |
146174a9 CB |
2028 | sv_setpvn(GvSV(gv), "-", 1); |
2029 | SvSETMAGIC(GvSV(gv)); | |
2030 | } | |
2031 | else if (!nextargv(gv)) | |
2032 | RETPUSHYES; | |
2033 | } | |
2034 | } | |
2035 | else | |
2036 | gv = PL_last_in_gv; /* eof */ | |
2037 | } | |
a0d0e21e | 2038 | else |
146174a9 | 2039 | gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ |
4592e6ca | 2040 | |
6136c704 AL |
2041 | if (gv) { |
2042 | IO * const io = GvIO(gv); | |
2043 | MAGIC * mg; | |
2044 | if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) { | |
2045 | PUSHMARK(SP); | |
2046 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
2047 | PUTBACK; | |
2048 | ENTER; | |
2049 | call_method("EOF", G_SCALAR); | |
2050 | LEAVE; | |
2051 | SPAGAIN; | |
2052 | RETURN; | |
2053 | } | |
4592e6ca NIS |
2054 | } |
2055 | ||
54310121 | 2056 | PUSHs(boolSV(!gv || do_eof(gv))); |
a0d0e21e LW |
2057 | RETURN; |
2058 | } | |
2059 | ||
2060 | PP(pp_tell) | |
2061 | { | |
27da23d5 | 2062 | dVAR; dSP; dTARGET; |
301e8125 | 2063 | GV *gv; |
5b468f54 | 2064 | IO *io; |
a0d0e21e | 2065 | |
c4420975 AL |
2066 | if (MAXARG != 0) |
2067 | PL_last_in_gv = (GV*)POPs; | |
2068 | gv = PL_last_in_gv; | |
4592e6ca | 2069 | |
a79db61d AL |
2070 | if (gv && (io = GvIO(gv))) { |
2071 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
2072 | if (mg) { | |
2073 | PUSHMARK(SP); | |
2074 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
2075 | PUTBACK; | |
2076 | ENTER; | |
2077 | call_method("TELL", G_SCALAR); | |
2078 | LEAVE; | |
2079 | SPAGAIN; | |
2080 | RETURN; | |
2081 | } | |
4592e6ca NIS |
2082 | } |
2083 | ||
146174a9 CB |
2084 | #if LSEEKSIZE > IVSIZE |
2085 | PUSHn( do_tell(gv) ); | |
2086 | #else | |
a0d0e21e | 2087 | PUSHi( do_tell(gv) ); |
146174a9 | 2088 | #endif |
a0d0e21e LW |
2089 | RETURN; |
2090 | } | |
2091 | ||
137443ea | 2092 | PP(pp_sysseek) |
2093 | { | |
27da23d5 | 2094 | dVAR; dSP; |
1df70142 | 2095 | const int whence = POPi; |
146174a9 | 2096 | #if LSEEKSIZE > IVSIZE |
7452cf6a | 2097 | const Off_t offset = (Off_t)SvNVx(POPs); |
146174a9 | 2098 | #else |
7452cf6a | 2099 | const Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 2100 | #endif |
a0d0e21e | 2101 | |
7452cf6a | 2102 | GV * const gv = PL_last_in_gv = (GV*)POPs; |
a79db61d | 2103 | IO *io; |
4592e6ca | 2104 | |
a79db61d AL |
2105 | if (gv && (io = GvIO(gv))) { |
2106 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
2107 | if (mg) { | |
2108 | PUSHMARK(SP); | |
2109 | XPUSHs(SvTIED_obj((SV*)io, mg)); | |
cb50131a | 2110 | #if LSEEKSIZE > IVSIZE |
a79db61d | 2111 | XPUSHs(sv_2mortal(newSVnv((NV) offset))); |
cb50131a | 2112 | #else |
a79db61d | 2113 | XPUSHs(sv_2mortal(newSViv(offset))); |
cb50131a | 2114 | #endif |
a79db61d AL |
2115 | XPUSHs(sv_2mortal(newSViv(whence))); |
2116 | PUTBACK; | |
2117 | ENTER; | |
2118 | call_method("SEEK", G_SCALAR); | |
2119 | LEAVE; | |
2120 | SPAGAIN; | |
2121 | RETURN; | |
2122 | } | |
4592e6ca NIS |
2123 | } |
2124 | ||
533c011a | 2125 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2126 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2127 | else { | |
0bcc34c2 | 2128 | const Off_t sought = do_sysseek(gv, offset, whence); |
b448e4fe | 2129 | if (sought < 0) |
146174a9 CB |
2130 | PUSHs(&PL_sv_undef); |
2131 | else { | |
7452cf6a | 2132 | SV* const sv = sought ? |
146174a9 | 2133 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2134 | newSVnv((NV)sought) |
146174a9 | 2135 | #else |
b448e4fe | 2136 | newSViv(sought) |
146174a9 CB |
2137 | #endif |
2138 | : newSVpvn(zero_but_true, ZBTLEN); | |
2139 | PUSHs(sv_2mortal(sv)); | |
2140 | } | |
8903cb82 | 2141 | } |
a0d0e21e LW |
2142 | RETURN; |
2143 | } | |
2144 | ||
2145 | PP(pp_truncate) | |
2146 | { | |
97aff369 | 2147 | dVAR; |
39644a26 | 2148 | dSP; |
8c99d73e GS |
2149 | /* There seems to be no consensus on the length type of truncate() |
2150 | * and ftruncate(), both off_t and size_t have supporters. In | |
2151 | * general one would think that when using large files, off_t is | |
2152 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2153 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
0bcc34c2 | 2154 | Off_t len; |
a0d0e21e | 2155 | |
25342a55 | 2156 | #if Off_t_size > IVSIZE |
0bcc34c2 | 2157 | len = (Off_t)POPn; |
8c99d73e | 2158 | #else |
0bcc34c2 | 2159 | len = (Off_t)POPi; |
8c99d73e GS |
2160 | #endif |
2161 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2162 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2163 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2164 | SETERRNO(0,0); |
d05c1ba0 | 2165 | { |
d05c1ba0 JH |
2166 | int result = 1; |
2167 | GV *tmpgv; | |
090bf15b SR |
2168 | IO *io; |
2169 | ||
d05c1ba0 | 2170 | if (PL_op->op_flags & OPf_SPECIAL) { |
f776e3cd | 2171 | tmpgv = gv_fetchsv(POPs, 0, SVt_PVIO); |
d05c1ba0 | 2172 | |
090bf15b SR |
2173 | do_ftruncate_gv: |
2174 | if (!GvIO(tmpgv)) | |
2175 | result = 0; | |
d05c1ba0 | 2176 | else { |
090bf15b SR |
2177 | PerlIO *fp; |
2178 | io = GvIOp(tmpgv); | |
2179 | do_ftruncate_io: | |
2180 | TAINT_PROPER("truncate"); | |
2181 | if (!(fp = IoIFP(io))) { | |
2182 | result = 0; | |
2183 | } | |
2184 | else { | |
2185 | PerlIO_flush(fp); | |
cbdc8872 | 2186 | #ifdef HAS_TRUNCATE |
090bf15b | 2187 | if (ftruncate(PerlIO_fileno(fp), len) < 0) |
301e8125 | 2188 | #else |
090bf15b | 2189 | if (my_chsize(PerlIO_fileno(fp), len) < 0) |
cbdc8872 | 2190 | #endif |
090bf15b SR |
2191 | result = 0; |
2192 | } | |
d05c1ba0 | 2193 | } |
cbdc8872 | 2194 | } |
d05c1ba0 | 2195 | else { |
7452cf6a | 2196 | SV * const sv = POPs; |
83003860 | 2197 | const char *name; |
7a5fd60d | 2198 | |
d05c1ba0 JH |
2199 | if (SvTYPE(sv) == SVt_PVGV) { |
2200 | tmpgv = (GV*)sv; /* *main::FRED for example */ | |
090bf15b | 2201 | goto do_ftruncate_gv; |
d05c1ba0 JH |
2202 | } |
2203 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2204 | tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ | |
090bf15b SR |
2205 | goto do_ftruncate_gv; |
2206 | } | |
2207 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
2208 | io = (IO*) SvRV(sv); /* *main::FRED{IO} for example */ | |
2209 | goto do_ftruncate_io; | |
d05c1ba0 | 2210 | } |
1e422769 | 2211 | |
83003860 | 2212 | name = SvPV_nolen_const(sv); |
d05c1ba0 | 2213 | TAINT_PROPER("truncate"); |
cbdc8872 | 2214 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2215 | if (truncate(name, len) < 0) |
2216 | result = 0; | |
cbdc8872 | 2217 | #else |
d05c1ba0 | 2218 | { |
7452cf6a | 2219 | const int tmpfd = PerlLIO_open(name, O_RDWR); |
d05c1ba0 | 2220 | |
7452cf6a | 2221 | if (tmpfd < 0) |
cbdc8872 | 2222 | result = 0; |
d05c1ba0 JH |
2223 | else { |
2224 | if (my_chsize(tmpfd, len) < 0) | |
2225 | result = 0; | |
2226 | PerlLIO_close(tmpfd); | |
2227 | } | |
cbdc8872 | 2228 | } |
a0d0e21e | 2229 | #endif |
d05c1ba0 | 2230 | } |
a0d0e21e | 2231 | |
d05c1ba0 JH |
2232 | if (result) |
2233 | RETPUSHYES; | |
2234 | if (!errno) | |
93189314 | 2235 | SETERRNO(EBADF,RMS_IFI); |
d05c1ba0 JH |
2236 | RETPUSHUNDEF; |
2237 | } | |
a0d0e21e LW |
2238 | } |
2239 | ||
a0d0e21e LW |
2240 | PP(pp_ioctl) |
2241 | { | |
97aff369 | 2242 | dVAR; dSP; dTARGET; |
7452cf6a | 2243 | SV * const argsv = POPs; |
1df70142 | 2244 | const unsigned int func = POPu; |
e1ec3a88 | 2245 | const int optype = PL_op->op_type; |
7452cf6a | 2246 | GV * const gv = (GV*)POPs; |
4608196e | 2247 | IO * const io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2248 | char *s; |
324aa91a | 2249 | IV retval; |
a0d0e21e | 2250 | |
748a9306 | 2251 | if (!io || !argsv || !IoIFP(io)) { |
c289d2f7 JH |
2252 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2253 | report_evil_fh(gv, io, PL_op->op_type); | |
93189314 | 2254 | SETERRNO(EBADF,RMS_IFI); /* well, sort of... */ |
a0d0e21e LW |
2255 | RETPUSHUNDEF; |
2256 | } | |
2257 | ||
748a9306 | 2258 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2259 | STRLEN len; |
324aa91a | 2260 | STRLEN need; |
748a9306 | 2261 | s = SvPV_force(argsv, len); |
324aa91a HF |
2262 | need = IOCPARM_LEN(func); |
2263 | if (len < need) { | |
2264 | s = Sv_Grow(argsv, need + 1); | |
2265 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2266 | } |
2267 | ||
748a9306 | 2268 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2269 | } |
2270 | else { | |
748a9306 | 2271 | retval = SvIV(argsv); |
c529f79d | 2272 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2273 | } |
2274 | ||
ed4b2e6b | 2275 | TAINT_PROPER(PL_op_desc[optype]); |
a0d0e21e LW |
2276 | |
2277 | if (optype == OP_IOCTL) | |
2278 | #ifdef HAS_IOCTL | |
76e3520e | 2279 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2280 | #else |
cea2e8a9 | 2281 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2282 | #endif |
2283 | else | |
c214f4ad WB |
2284 | #ifndef HAS_FCNTL |
2285 | DIE(aTHX_ "fcntl is not implemented"); | |
2286 | #else | |
55497cff | 2287 | #if defined(OS2) && defined(__EMX__) |
760ac839 | 2288 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2289 | #else |
760ac839 | 2290 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2291 | #endif |
6652bd42 | 2292 | #endif |
a0d0e21e | 2293 | |
6652bd42 | 2294 | #if defined(HAS_IOCTL) || defined(HAS_FCNTL) |
748a9306 LW |
2295 | if (SvPOK(argsv)) { |
2296 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2297 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2298 | OP_NAME(PL_op)); |
748a9306 LW |
2299 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2300 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2301 | } |
2302 | ||
2303 | if (retval == -1) | |
2304 | RETPUSHUNDEF; | |
2305 | if (retval != 0) { | |
2306 | PUSHi(retval); | |
2307 | } | |
2308 | else { | |
8903cb82 | 2309 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e | 2310 | } |
4808266b | 2311 | #endif |
c214f4ad | 2312 | RETURN; |
a0d0e21e LW |
2313 | } |
2314 | ||
2315 | PP(pp_flock) | |
2316 | { | |
9cad6237 | 2317 | #ifdef FLOCK |
97aff369 | 2318 | dVAR; dSP; dTARGET; |
a0d0e21e | 2319 | I32 value; |
bc37a18f | 2320 | IO *io = NULL; |
760ac839 | 2321 | PerlIO *fp; |
7452cf6a AL |
2322 | const int argtype = POPi; |
2323 | GV * const gv = (MAXARG == 0) ? PL_last_in_gv : (GV*)POPs; | |
16d20bd9 | 2324 | |
bc37a18f RG |
2325 | if (gv && (io = GvIO(gv))) |
2326 | fp = IoIFP(io); | |
2327 | else { | |
4608196e | 2328 | fp = NULL; |
bc37a18f RG |
2329 | io = NULL; |
2330 | } | |
0bcc34c2 | 2331 | /* XXX Looks to me like io is always NULL at this point */ |
a0d0e21e | 2332 | if (fp) { |
68dc0745 | 2333 | (void)PerlIO_flush(fp); |
76e3520e | 2334 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2335 | } |
cb50131a | 2336 | else { |
bc37a18f RG |
2337 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2338 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 2339 | value = 0; |
93189314 | 2340 | SETERRNO(EBADF,RMS_IFI); |
cb50131a | 2341 | } |
a0d0e21e LW |
2342 | PUSHi(value); |
2343 | RETURN; | |
2344 | #else | |
cea2e8a9 | 2345 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2346 | #endif |
2347 | } | |
2348 | ||
2349 | /* Sockets. */ | |
2350 | ||
2351 | PP(pp_socket) | |
2352 | { | |
a0d0e21e | 2353 | #ifdef HAS_SOCKET |
97aff369 | 2354 | dVAR; dSP; |
7452cf6a AL |
2355 | const int protocol = POPi; |
2356 | const int type = POPi; | |
2357 | const int domain = POPi; | |
2358 | GV * const gv = (GV*)POPs; | |
2359 | register IO * const io = gv ? GvIOn(gv) : NULL; | |
a0d0e21e LW |
2360 | int fd; |
2361 | ||
c289d2f7 JH |
2362 | if (!gv || !io) { |
2363 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
2364 | report_evil_fh(gv, io, PL_op->op_type); | |
5ee74a84 | 2365 | if (io && IoIFP(io)) |
c289d2f7 | 2366 | do_close(gv, FALSE); |
93189314 | 2367 | SETERRNO(EBADF,LIB_INVARG); |
a0d0e21e LW |
2368 | RETPUSHUNDEF; |
2369 | } | |
2370 | ||
57171420 BS |
2371 | if (IoIFP(io)) |
2372 | do_close(gv, FALSE); | |
2373 | ||
a0d0e21e | 2374 | TAINT_PROPER("socket"); |
6ad3d225 | 2375 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2376 | if (fd < 0) |
2377 | RETPUSHUNDEF; | |
460c8493 IZ |
2378 | IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */ |
2379 | IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2380 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2381 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2382 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2383 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2384 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2385 | RETPUSHUNDEF; |
2386 | } | |
8d2a6795 GS |
2387 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2388 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2389 | #endif | |
a0d0e21e | 2390 | |
d5ff79b3 OF |
2391 | #ifdef EPOC |
2392 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2393 | #endif | |
2394 | ||
a0d0e21e LW |
2395 | RETPUSHYES; |
2396 | #else | |
cea2e8a9 | 2397 | DIE(aTHX_ PL_no_sock_func, "socket"); |
a0d0e21e LW |
2398 | #endif |
2399 | } | |
2400 | ||
2401 | PP(pp_sockpair) | |
2402 | { | |
c95c94b1 | 2403 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
97aff369 | 2404 | dVAR; dSP; |
7452cf6a AL |
2405 | const int protocol = POPi; |
2406 | const int type = POPi; | |
2407 | const int domain = POPi; | |
2408 | GV * const gv2 = (GV*)POPs; | |
2409 | GV * const gv1 = (GV*)POPs; | |
2410 | register IO * const io1 = gv1 ? GvIOn(gv1) : NULL; | |
2411 | register IO * const io2 = gv2 ? GvIOn(gv2) : NULL; | |
a0d0e21e LW |
2412 | int fd[2]; |
2413 | ||
c289d2f7 JH |
2414 | if (!gv1 || !gv2 || !io1 || !io2) { |
2415 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { | |
2416 | if (!gv1 || !io1) | |
2417 | report_evil_fh(gv1, io1, PL_op->op_type); | |
2418 | if (!gv2 || !io2) | |
2419 | report_evil_fh(gv1, io2, PL_op->op_type); | |
2420 | } | |
5ee74a84 | 2421 | if (io1 && IoIFP(io1)) |
c289d2f7 | 2422 | do_close(gv1, FALSE); |
5ee74a84 | 2423 | if (io2 && IoIFP(io2)) |
c289d2f7 | 2424 | do_close(gv2, FALSE); |
a0d0e21e | 2425 | RETPUSHUNDEF; |
c289d2f7 | 2426 | } |
a0d0e21e | 2427 | |
dc0d0a5f JH |
2428 | if (IoIFP(io1)) |
2429 | do_close(gv1, FALSE); | |
2430 | if (IoIFP(io2)) | |
2431 | do_close(gv2, FALSE); | |
57171420 | 2432 | |
a0d0e21e | 2433 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2434 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2435 | RETPUSHUNDEF; |
460c8493 IZ |
2436 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE); |
2437 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE); | |
50952442 | 2438 | IoTYPE(io1) = IoTYPE_SOCKET; |
460c8493 IZ |
2439 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE); |
2440 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE); | |
50952442 | 2441 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2442 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2443 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2444 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2445 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2446 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2447 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2448 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2449 | RETPUSHUNDEF; |
2450 | } | |
8d2a6795 GS |
2451 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2452 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2453 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2454 | #endif | |
a0d0e21e LW |
2455 | |
2456 | RETPUSHYES; | |
2457 | #else | |
cea2e8a9 | 2458 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2459 | #endif |
2460 | } | |
2461 | ||
2462 | PP(pp_bind) | |
2463 | { | |
a0d0e21e | 2464 | #ifdef HAS_SOCKET |
97aff369 | 2465 | dVAR; dSP; |
7452cf6a | 2466 | SV * const addrsv = POPs; |
349d4f2f NC |
2467 | /* OK, so on what platform does bind modify addr? */ |
2468 | const char *addr; | |
7452cf6a AL |
2469 | GV * const gv = (GV*)POPs; |
2470 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
2471 | STRLEN len; |
2472 | ||
2473 | if (!io || !IoIFP(io)) | |
2474 | goto nuts; | |
2475 | ||
349d4f2f | 2476 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2477 | TAINT_PROPER("bind"); |
a79db61d | 2478 | if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2479 | RETPUSHYES; |
2480 | else | |
2481 | RETPUSHUNDEF; | |
2482 | ||
2483 | nuts: | |
599cee73 | 2484 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2485 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2486 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2487 | RETPUSHUNDEF; |
2488 | #else | |
cea2e8a9 | 2489 | DIE(aTHX_ PL_no_sock_func, "bind"); |
a0d0e21e LW |
2490 | #endif |
2491 | } | |
2492 | ||
2493 | PP(pp_connect) | |
2494 | { | |
a0d0e21e | 2495 | #ifdef HAS_SOCKET |
97aff369 | 2496 | dVAR; dSP; |
7452cf6a AL |
2497 | SV * const addrsv = POPs; |
2498 | GV * const gv = (GV*)POPs; | |
2499 | register IO * const io = GvIOn(gv); | |
349d4f2f | 2500 | const char *addr; |
a0d0e21e LW |
2501 | STRLEN len; |
2502 | ||
2503 | if (!io || !IoIFP(io)) | |
2504 | goto nuts; | |
2505 | ||
349d4f2f | 2506 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2507 | TAINT_PROPER("connect"); |
6ad3d225 | 2508 | if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2509 | RETPUSHYES; |
2510 | else | |
2511 | RETPUSHUNDEF; | |
2512 | ||
2513 | nuts: | |
599cee73 | 2514 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2515 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2516 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2517 | RETPUSHUNDEF; |
2518 | #else | |
cea2e8a9 | 2519 | DIE(aTHX_ PL_no_sock_func, "connect"); |
a0d0e21e LW |
2520 | #endif |
2521 | } | |
2522 | ||
2523 | PP(pp_listen) | |
2524 | { | |
a0d0e21e | 2525 | #ifdef HAS_SOCKET |
97aff369 | 2526 | dVAR; dSP; |
7452cf6a AL |
2527 | const int backlog = POPi; |
2528 | GV * const gv = (GV*)POPs; | |
2529 | register IO * const io = gv ? GvIOn(gv) : NULL; | |
a0d0e21e | 2530 | |
c289d2f7 | 2531 | if (!gv || !io || !IoIFP(io)) |
a0d0e21e LW |
2532 | goto nuts; |
2533 | ||
6ad3d225 | 2534 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2535 | RETPUSHYES; |
2536 | else | |
2537 | RETPUSHUNDEF; | |
2538 | ||
2539 | nuts: | |
599cee73 | 2540 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2541 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2542 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2543 | RETPUSHUNDEF; |
2544 | #else | |
cea2e8a9 | 2545 | DIE(aTHX_ PL_no_sock_func, "listen"); |
a0d0e21e LW |
2546 | #endif |
2547 | } | |
2548 | ||
2549 | PP(pp_accept) | |
2550 | { | |
a0d0e21e | 2551 | #ifdef HAS_SOCKET |
97aff369 | 2552 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
2553 | register IO *nstio; |
2554 | register IO *gstio; | |
93d47a36 JH |
2555 | char namebuf[MAXPATHLEN]; |
2556 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) | |
2557 | Sock_size_t len = sizeof (struct sockaddr_in); | |
2558 | #else | |
2559 | Sock_size_t len = sizeof namebuf; | |
2560 | #endif | |
7452cf6a AL |
2561 | GV * const ggv = (GV*)POPs; |
2562 | GV * const ngv = (GV*)POPs; | |
a0d0e21e LW |
2563 | int fd; |
2564 | ||
a0d0e21e LW |
2565 | if (!ngv) |
2566 | goto badexit; | |
2567 | if (!ggv) | |
2568 | goto nuts; | |
2569 | ||
2570 | gstio = GvIO(ggv); | |
2571 | if (!gstio || !IoIFP(gstio)) | |
2572 | goto nuts; | |
2573 | ||
2574 | nstio = GvIOn(ngv); | |
93d47a36 | 2575 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len); |
e294cc5d JH |
2576 | #if defined(OEMVS) |
2577 | if (len == 0) { | |
2578 | /* Some platforms indicate zero length when an AF_UNIX client is | |
2579 | * not bound. Simulate a non-zero-length sockaddr structure in | |
2580 | * this case. */ | |
2581 | namebuf[0] = 0; /* sun_len */ | |
2582 | namebuf[1] = AF_UNIX; /* sun_family */ | |
2583 | len = 2; | |
2584 | } | |
2585 | #endif | |
2586 | ||
a0d0e21e LW |
2587 | if (fd < 0) |
2588 | goto badexit; | |
a70048fb AB |
2589 | if (IoIFP(nstio)) |
2590 | do_close(ngv, FALSE); | |
460c8493 IZ |
2591 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); |
2592 | IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2593 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2594 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2595 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2596 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2597 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2598 | goto badexit; |
2599 | } | |
8d2a6795 GS |
2600 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2601 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2602 | #endif | |
a0d0e21e | 2603 | |
ed79a026 | 2604 | #ifdef EPOC |
93d47a36 | 2605 | len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */ |
a9f1f6b0 | 2606 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ |
ed79a026 | 2607 | #endif |
381c1bae | 2608 | #ifdef __SCO_VERSION__ |
93d47a36 | 2609 | len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */ |
381c1bae | 2610 | #endif |
ed79a026 | 2611 | |
93d47a36 | 2612 | PUSHp(namebuf, len); |
a0d0e21e LW |
2613 | RETURN; |
2614 | ||
2615 | nuts: | |
599cee73 | 2616 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2617 | report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type); |
93189314 | 2618 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2619 | |
2620 | badexit: | |
2621 | RETPUSHUNDEF; | |
2622 | ||
2623 | #else | |
cea2e8a9 | 2624 | DIE(aTHX_ PL_no_sock_func, "accept"); |
a0d0e21e LW |
2625 | #endif |
2626 | } | |
2627 | ||
2628 | PP(pp_shutdown) | |
2629 | { | |
a0d0e21e | 2630 | #ifdef HAS_SOCKET |
97aff369 | 2631 | dVAR; dSP; dTARGET; |
7452cf6a AL |
2632 | const int how = POPi; |
2633 | GV * const gv = (GV*)POPs; | |
2634 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
2635 | |
2636 | if (!io || !IoIFP(io)) | |
2637 | goto nuts; | |
2638 | ||
6ad3d225 | 2639 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2640 | RETURN; |
2641 | ||
2642 | nuts: | |
599cee73 | 2643 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2644 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2645 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2646 | RETPUSHUNDEF; |
2647 | #else | |
cea2e8a9 | 2648 | DIE(aTHX_ PL_no_sock_func, "shutdown"); |
a0d0e21e LW |
2649 | #endif |
2650 | } | |
2651 | ||
a0d0e21e LW |
2652 | PP(pp_ssockopt) |
2653 | { | |
a0d0e21e | 2654 | #ifdef HAS_SOCKET |
97aff369 | 2655 | dVAR; dSP; |
7452cf6a | 2656 | const int optype = PL_op->op_type; |
561b68a9 | 2657 | SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs; |
7452cf6a AL |
2658 | const unsigned int optname = (unsigned int) POPi; |
2659 | const unsigned int lvl = (unsigned int) POPi; | |
2660 | GV * const gv = (GV*)POPs; | |
2661 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 2662 | int fd; |
1e422769 | 2663 | Sock_size_t len; |
a0d0e21e | 2664 | |
a0d0e21e LW |
2665 | if (!io || !IoIFP(io)) |
2666 | goto nuts; | |
2667 | ||
760ac839 | 2668 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2669 | switch (optype) { |
2670 | case OP_GSOCKOPT: | |
748a9306 | 2671 | SvGROW(sv, 257); |
a0d0e21e | 2672 | (void)SvPOK_only(sv); |
748a9306 LW |
2673 | SvCUR_set(sv,256); |
2674 | *SvEND(sv) ='\0'; | |
1e422769 | 2675 | len = SvCUR(sv); |
6ad3d225 | 2676 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2677 | goto nuts2; |
1e422769 | 2678 | SvCUR_set(sv, len); |
748a9306 | 2679 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2680 | PUSHs(sv); |
2681 | break; | |
2682 | case OP_SSOCKOPT: { | |
1215b447 JH |
2683 | #if defined(__SYMBIAN32__) |
2684 | # define SETSOCKOPT_OPTION_VALUE_T void * | |
2685 | #else | |
2686 | # define SETSOCKOPT_OPTION_VALUE_T const char * | |
2687 | #endif | |
2688 | /* XXX TODO: We need to have a proper type (a Configure probe, | |
2689 | * etc.) for what the C headers think of the third argument of | |
2690 | * setsockopt(), the option_value read-only buffer: is it | |
2691 | * a "char *", or a "void *", const or not. Some compilers | |
2692 | * don't take kindly to e.g. assuming that "char *" implicitly | |
2693 | * promotes to a "void *", or to explicitly promoting/demoting | |
2694 | * consts to non/vice versa. The "const void *" is the SUS | |
2695 | * definition, but that does not fly everywhere for the above | |
2696 | * reasons. */ | |
2697 | SETSOCKOPT_OPTION_VALUE_T buf; | |
1e422769 | 2698 | int aint; |
2699 | if (SvPOKp(sv)) { | |
2d8e6c8d | 2700 | STRLEN l; |
1215b447 | 2701 | buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l); |
2d8e6c8d | 2702 | len = l; |
1e422769 | 2703 | } |
56ee1660 | 2704 | else { |
a0d0e21e | 2705 | aint = (int)SvIV(sv); |
1215b447 | 2706 | buf = (SETSOCKOPT_OPTION_VALUE_T) &aint; |
a0d0e21e LW |
2707 | len = sizeof(int); |
2708 | } | |
6ad3d225 | 2709 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2710 | goto nuts2; |
3280af22 | 2711 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2712 | } |
2713 | break; | |
2714 | } | |
2715 | RETURN; | |
2716 | ||
2717 | nuts: | |
599cee73 | 2718 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2719 | report_evil_fh(gv, io, optype); |
93189314 | 2720 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2721 | nuts2: |
2722 | RETPUSHUNDEF; | |
2723 | ||
2724 | #else | |
af51a00e | 2725 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2726 | #endif |
2727 | } | |
2728 | ||
a0d0e21e LW |
2729 | PP(pp_getpeername) |
2730 | { | |
a0d0e21e | 2731 | #ifdef HAS_SOCKET |
97aff369 | 2732 | dVAR; dSP; |
7452cf6a AL |
2733 | const int optype = PL_op->op_type; |
2734 | GV * const gv = (GV*)POPs; | |
2735 | register IO * const io = GvIOn(gv); | |
2736 | Sock_size_t len; | |
a0d0e21e LW |
2737 | SV *sv; |
2738 | int fd; | |
a0d0e21e LW |
2739 | |
2740 | if (!io || !IoIFP(io)) | |
2741 | goto nuts; | |
2742 | ||
561b68a9 | 2743 | sv = sv_2mortal(newSV(257)); |
748a9306 | 2744 | (void)SvPOK_only(sv); |
1e422769 | 2745 | len = 256; |
2746 | SvCUR_set(sv, len); | |
748a9306 | 2747 | *SvEND(sv) ='\0'; |
760ac839 | 2748 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2749 | switch (optype) { |
2750 | case OP_GETSOCKNAME: | |
6ad3d225 | 2751 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2752 | goto nuts2; |
2753 | break; | |
2754 | case OP_GETPEERNAME: | |
6ad3d225 | 2755 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2756 | goto nuts2; |
490ab354 JH |
2757 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2758 | { | |
2759 | 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"; | |
2760 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
349d4f2f | 2761 | if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET && |
2fbb330f | 2762 | !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere, |
490ab354 | 2763 | sizeof(u_short) + sizeof(struct in_addr))) { |
301e8125 | 2764 | goto nuts2; |
490ab354 JH |
2765 | } |
2766 | } | |
2767 | #endif | |
a0d0e21e LW |
2768 | break; |
2769 | } | |
13826f2c CS |
2770 | #ifdef BOGUS_GETNAME_RETURN |
2771 | /* Interactive Unix, getpeername() and getsockname() | |
2772 | does not return valid namelen */ | |
1e422769 | 2773 | if (len == BOGUS_GETNAME_RETURN) |
2774 | len = sizeof(struct sockaddr); | |
13826f2c | 2775 | #endif |
1e422769 | 2776 | SvCUR_set(sv, len); |
748a9306 | 2777 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2778 | PUSHs(sv); |
2779 | RETURN; | |
2780 | ||
2781 | nuts: | |
599cee73 | 2782 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2783 | report_evil_fh(gv, io, optype); |
93189314 | 2784 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2785 | nuts2: |
2786 | RETPUSHUNDEF; | |
2787 | ||
2788 | #else | |
af51a00e | 2789 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2790 | #endif |
2791 | } | |
2792 | ||
2793 | /* Stat calls. */ | |
2794 | ||
a0d0e21e LW |
2795 | PP(pp_stat) |
2796 | { | |
97aff369 | 2797 | dVAR; |
39644a26 | 2798 | dSP; |
10edeb5d | 2799 | GV *gv = NULL; |
ad02613c | 2800 | IO *io; |
54310121 | 2801 | I32 gimme; |
a0d0e21e LW |
2802 | I32 max = 13; |
2803 | ||
533c011a | 2804 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2805 | gv = cGVOP_gv; |
8a4e5b40 | 2806 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de | 2807 | if (gv != PL_defgv) { |
5d329e6e | 2808 | do_fstat_warning_check: |
5d3e98de | 2809 | if (ckWARN(WARN_IO)) |
9014280d | 2810 | Perl_warner(aTHX_ packWARN(WARN_IO), |
38ddb0ef | 2811 | "lstat() on filehandle %s", gv ? GvENAME(gv) : ""); |
5d3e98de | 2812 | } else if (PL_laststype != OP_LSTAT) |
8a4e5b40 | 2813 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2814 | } |
2815 | ||
748a9306 | 2816 | do_fstat: |
2dd78f96 | 2817 | if (gv != PL_defgv) { |
3280af22 | 2818 | PL_laststype = OP_STAT; |
2dd78f96 | 2819 | PL_statgv = gv; |
c69006e4 | 2820 | sv_setpvn(PL_statname, "", 0); |
5228a96c | 2821 | if(gv) { |
ad02613c SP |
2822 | io = GvIO(gv); |
2823 | do_fstat_have_io: | |
5228a96c SP |
2824 | if (io) { |
2825 | if (IoIFP(io)) { | |
2826 | PL_laststatval = | |
2827 | PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); | |
2828 | } else if (IoDIRP(io)) { | |
5228a96c | 2829 | PL_laststatval = |
3497a01f | 2830 | PerlLIO_fstat(my_dirfd(IoDIRP(io)), &PL_statcache); |
5228a96c SP |
2831 | } else { |
2832 | PL_laststatval = -1; | |
2833 | } | |
2834 | } | |
2835 | } | |
2836 | } | |
2837 | ||
9ddeeac9 | 2838 | if (PL_laststatval < 0) { |
2dd78f96 JH |
2839 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2840 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); | |
a0d0e21e | 2841 | max = 0; |
9ddeeac9 | 2842 | } |
a0d0e21e LW |
2843 | } |
2844 | else { | |
7452cf6a | 2845 | SV* const sv = POPs; |
748a9306 | 2846 | if (SvTYPE(sv) == SVt_PVGV) { |
2dd78f96 | 2847 | gv = (GV*)sv; |
748a9306 | 2848 | goto do_fstat; |
ad02613c SP |
2849 | } else if(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { |
2850 | gv = (GV*)SvRV(sv); | |
2851 | if (PL_op->op_type == OP_LSTAT) | |
2852 | goto do_fstat_warning_check; | |
2853 | goto do_fstat; | |
2854 | } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
2855 | io = (IO*)SvRV(sv); | |
2856 | if (PL_op->op_type == OP_LSTAT) | |
2857 | goto do_fstat_warning_check; | |
2858 | goto do_fstat_have_io; | |
2859 | } | |
2860 | ||
0510663f | 2861 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
a0714e2c | 2862 | PL_statgv = NULL; |
533c011a NIS |
2863 | PL_laststype = PL_op->op_type; |
2864 | if (PL_op->op_type == OP_LSTAT) | |
0510663f | 2865 | PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache); |
a0d0e21e | 2866 | else |
0510663f | 2867 | PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache); |
3280af22 | 2868 | if (PL_laststatval < 0) { |
0510663f | 2869 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n')) |
9014280d | 2870 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
a0d0e21e LW |
2871 | max = 0; |
2872 | } | |
2873 | } | |
2874 | ||
54310121 | 2875 | gimme = GIMME_V; |
2876 | if (gimme != G_ARRAY) { | |
2877 | if (gimme != G_VOID) | |
2878 | XPUSHs(boolSV(max)); | |
2879 | RETURN; | |
a0d0e21e LW |
2880 | } |
2881 | if (max) { | |
36477c24 | 2882 | EXTEND(SP, max); |
2883 | EXTEND_MORTAL(max); | |
1ff81528 PL |
2884 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); |
2885 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); | |
b448e4fe JH |
2886 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); |
2887 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); | |
146174a9 CB |
2888 | #if Uid_t_size > IVSIZE |
2889 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); | |
2890 | #else | |
23dcd6c8 | 2891 | # if Uid_t_sign <= 0 |
1ff81528 | 2892 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); |
23dcd6c8 JH |
2893 | # else |
2894 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); | |
2895 | # endif | |
146174a9 | 2896 | #endif |
301e8125 | 2897 | #if Gid_t_size > IVSIZE |
146174a9 CB |
2898 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); |
2899 | #else | |
23dcd6c8 | 2900 | # if Gid_t_sign <= 0 |
1ff81528 | 2901 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); |
23dcd6c8 JH |
2902 | # else |
2903 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); | |
2904 | # endif | |
146174a9 | 2905 | #endif |
cbdc8872 | 2906 | #ifdef USE_STAT_RDEV |
1ff81528 | 2907 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); |
cbdc8872 | 2908 | #else |
396482e1 | 2909 | PUSHs(sv_2mortal(newSVpvs(""))); |
cbdc8872 | 2910 | #endif |
146174a9 | 2911 | #if Off_t_size > IVSIZE |
4a9d6100 | 2912 | PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size))); |
146174a9 | 2913 | #else |
1ff81528 | 2914 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); |
146174a9 | 2915 | #endif |
cbdc8872 | 2916 | #ifdef BIG_TIME |
172ae379 JH |
2917 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); |
2918 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); | |
2919 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); | |
cbdc8872 | 2920 | #else |
aebaba0b SH |
2921 | PUSHs(sv_2mortal(newSViv((IV)PL_statcache.st_atime))); |
2922 | PUSHs(sv_2mortal(newSViv((IV)PL_statcache.st_mtime))); | |
2923 | PUSHs(sv_2mortal(newSViv((IV)PL_statcache.st_ctime))); | |
cbdc8872 | 2924 | #endif |
a0d0e21e | 2925 | #ifdef USE_STAT_BLOCKS |
b448e4fe JH |
2926 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); |
2927 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); | |
a0d0e21e | 2928 | #else |
396482e1 GA |
2929 | PUSHs(sv_2mortal(newSVpvs(""))); |
2930 | PUSHs(sv_2mortal(newSVpvs(""))); | |
a0d0e21e LW |
2931 | #endif |
2932 | } | |
2933 | RETURN; | |
2934 | } | |
2935 | ||
fbb0b3b3 RGS |
2936 | /* This macro is used by the stacked filetest operators : |
2937 | * if the previous filetest failed, short-circuit and pass its value. | |
2938 | * Else, discard it from the stack and continue. --rgs | |
2939 | */ | |
2940 | #define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \ | |
2941 | if (TOPs == &PL_sv_no || TOPs == &PL_sv_undef) { RETURN; } \ | |
2942 | else { (void)POPs; PUTBACK; } \ | |
2943 | } | |
2944 | ||
a0d0e21e LW |
2945 | PP(pp_ftrread) |
2946 | { | |
97aff369 | 2947 | dVAR; |
9cad6237 | 2948 | I32 result; |
af9e49b4 NC |
2949 | /* Not const, because things tweak this below. Not bool, because there's |
2950 | no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */ | |
2951 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2952 | I32 use_access = PL_op->op_private & OPpFT_ACCESS; | |
2953 | /* Giving some sort of initial value silences compilers. */ | |
2954 | # ifdef R_OK | |
2955 | int access_mode = R_OK; | |
2956 | # else | |
2957 | int access_mode = 0; | |
2958 | # endif | |
5ff3f7a4 | 2959 | #else |
af9e49b4 NC |
2960 | /* access_mode is never used, but leaving use_access in makes the |
2961 | conditional compiling below much clearer. */ | |
2962 | I32 use_access = 0; | |
5ff3f7a4 | 2963 | #endif |
af9e49b4 | 2964 | int stat_mode = S_IRUSR; |
a0d0e21e | 2965 | |
af9e49b4 | 2966 | bool effective = FALSE; |
2a3ff820 | 2967 | dSP; |
af9e49b4 | 2968 | |
fbb0b3b3 | 2969 | STACKED_FTEST_CHECK; |
af9e49b4 NC |
2970 | |
2971 | switch (PL_op->op_type) { | |
2972 | case OP_FTRREAD: | |
2973 | #if !(defined(HAS_ACCESS) && defined(R_OK)) | |
2974 | use_access = 0; | |
2975 | #endif | |
2976 | break; | |
2977 | ||
2978 | case OP_FTRWRITE: | |
5ff3f7a4 | 2979 | #if defined(HAS_ACCESS) && defined(W_OK) |
af9e49b4 | 2980 | access_mode = W_OK; |
5ff3f7a4 | 2981 | #else |
af9e49b4 | 2982 | use_access = 0; |
5ff3f7a4 | 2983 | #endif |
af9e49b4 NC |
2984 | stat_mode = S_IWUSR; |
2985 | break; | |
a0d0e21e | 2986 | |
af9e49b4 | 2987 | case OP_FTREXEC: |
5ff3f7a4 | 2988 | #if defined(HAS_ACCESS) && defined(X_OK) |
af9e49b4 | 2989 | access_mode = X_OK; |
5ff3f7a4 | 2990 | #else |
af9e49b4 | 2991 | use_access = 0; |
5ff3f7a4 | 2992 | #endif |
af9e49b4 NC |
2993 | stat_mode = S_IXUSR; |
2994 | break; | |
a0d0e21e | 2995 | |
af9e49b4 | 2996 | case OP_FTEWRITE: |
faee0e31 | 2997 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 2998 | access_mode = W_OK; |
5ff3f7a4 | 2999 | #endif |
af9e49b4 NC |
3000 | stat_mode = S_IWUSR; |
3001 | /* Fall through */ | |
a0d0e21e | 3002 | |
af9e49b4 NC |
3003 | case OP_FTEREAD: |
3004 | #ifndef PERL_EFF_ACCESS | |
3005 | use_access = 0; | |
3006 | #endif | |
3007 | effective = TRUE; | |
3008 | break; | |
3009 | ||
3010 | ||
3011 | case OP_FTEEXEC: | |
faee0e31 | 3012 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 3013 | access_mode = W_OK; |
5ff3f7a4 | 3014 | #else |
af9e49b4 | 3015 | use_access = 0; |
5ff3f7a4 | 3016 | #endif |
af9e49b4 NC |
3017 | stat_mode = S_IXUSR; |
3018 | effective = TRUE; | |
3019 | break; | |
3020 | } | |
a0d0e21e | 3021 | |
af9e49b4 NC |
3022 | if (use_access) { |
3023 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2c2f35ab | 3024 | const char *name = POPpx; |
af9e49b4 NC |
3025 | if (effective) { |
3026 | # ifdef PERL_EFF_ACCESS | |
3027 | result = PERL_EFF_ACCESS(name, access_mode); | |
3028 | # else | |
3029 | DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s", | |
3030 | OP_NAME(PL_op)); | |
3031 | # endif | |
3032 | } | |
3033 | else { | |
3034 | # ifdef HAS_ACCESS | |
3035 | result = access(name, access_mode); | |
3036 | # else | |
3037 | DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op)); | |
3038 | # endif | |
3039 | } | |
5ff3f7a4 GS |
3040 | if (result == 0) |
3041 | RETPUSHYES; | |
3042 | if (result < 0) | |
3043 | RETPUSHUNDEF; | |
3044 | RETPUSHNO; | |
af9e49b4 | 3045 | #endif |
22865c03 | 3046 | } |
af9e49b4 | 3047 | |
cea2e8a9 | 3048 | result = my_stat(); |
22865c03 | 3049 | SPAGAIN; |
a0d0e21e LW |
3050 | if (result < 0) |
3051 | RETPUSHUNDEF; | |
af9e49b4 | 3052 | if (cando(stat_mode, effective, &PL_statcache)) |
a0d0e21e LW |
3053 | RETPUSHYES; |
3054 | RETPUSHNO; | |
3055 | } | |
3056 | ||
3057 | PP(pp_ftis) | |
3058 | { | |
97aff369 | 3059 | dVAR; |
fbb0b3b3 | 3060 | I32 result; |
d7f0a2f4 | 3061 | const int op_type = PL_op->op_type; |
2a3ff820 | 3062 | dSP; |
fbb0b3b3 RGS |
3063 | STACKED_FTEST_CHECK; |
3064 | result = my_stat(); | |
3065 | SPAGAIN; | |
a0d0e21e LW |
3066 | if (result < 0) |
3067 | RETPUSHUNDEF; | |
d7f0a2f4 NC |
3068 | if (op_type == OP_FTIS) |
3069 | RETPUSHYES; | |
957b0e1d | 3070 | { |
d7f0a2f4 NC |
3071 | /* You can't dTARGET inside OP_FTIS, because you'll get |
3072 | "panic: pad_sv po" - the op is not flagged to have a target. */ | |
957b0e1d | 3073 | dTARGET; |
d7f0a2f4 | 3074 | switch (op_type) { |
957b0e1d NC |
3075 | case OP_FTSIZE: |
3076 | #if Off_t_size > IVSIZE | |
3077 | PUSHn(PL_statcache.st_size); | |
3078 | #else | |
3079 | PUSHi(PL_statcache.st_size); | |
3080 | #endif | |
3081 | break; | |
3082 | case OP_FTMTIME: | |
3083 | PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 ); | |
3084 | break; | |
3085 | case OP_FTATIME: | |
3086 | PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 ); | |
3087 | break; | |
3088 | case OP_FTCTIME: | |
3089 | PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 ); | |
3090 | break; | |
3091 | } | |
3092 | } | |
3093 | RETURN; | |
a0d0e21e LW |
3094 | } |
3095 | ||
a0d0e21e LW |
3096 | PP(pp_ftrowned) |
3097 | { | |
97aff369 | 3098 | dVAR; |
fbb0b3b3 | 3099 | I32 result; |
2a3ff820 | 3100 | dSP; |
17ad201a NC |
3101 | |
3102 | /* I believe that all these three are likely to be defined on most every | |
3103 | system these days. */ | |
3104 | #ifndef S_ISUID | |
3105 | if(PL_op->op_type == OP_FTSUID) | |
3106 | RETPUSHNO; | |
3107 | #endif | |
3108 | #ifndef S_ISGID | |
3109 | if(PL_op->op_type == OP_FTSGID) | |
3110 | RETPUSHNO; | |
3111 | #endif | |
3112 | #ifndef S_ISVTX | |
3113 | if(PL_op->op_type == OP_FTSVTX) | |
3114 | RETPUSHNO; | |
3115 | #endif | |
3116 | ||
fbb0b3b3 RGS |
3117 | STACKED_FTEST_CHECK; |
3118 | result = my_stat(); | |
3119 | SPAGAIN; | |
a0d0e21e LW |
3120 | if (result < 0) |
3121 | RETPUSHUNDEF; | |
f1cb2d48 NC |
3122 | switch (PL_op->op_type) { |
3123 | case OP_FTROWNED: | |
9ab9fa88 | 3124 | if (PL_statcache.st_uid == PL_uid) |
f1cb2d48 NC |
3125 | RETPUSHYES; |
3126 | break; | |
3127 | case OP_FTEOWNED: | |
3128 | if (PL_statcache.st_uid == PL_euid) | |
3129 | RETPUSHYES; | |
3130 | break; | |
3131 | case OP_FTZERO: | |
3132 | if (PL_statcache.st_size == 0) | |
3133 | RETPUSHYES; | |
3134 | break; | |
3135 | case OP_FTSOCK: | |
3136 | if (S_ISSOCK(PL_statcache.st_mode)) | |
3137 | RETPUSHYES; | |
3138 | break; | |
3139 | case OP_FTCHR: | |
3140 | if (S_ISCHR(PL_statcache.st_mode)) | |
3141 | RETPUSHYES; | |
3142 | break; | |
3143 | case OP_FTBLK: | |
3144 | if (S_ISBLK(PL_statcache.st_mode)) | |
3145 | RETPUSHYES; | |
3146 | break; | |
3147 | case OP_FTFILE: | |
3148 | if (S_ISREG(PL_statcache.st_mode)) | |
3149 | RETPUSHYES; | |
3150 | break; | |
3151 | case OP_FTDIR: | |
3152 | if (S_ISDIR(PL_statcache.st_mode)) | |
3153 | RETPUSHYES; | |
3154 | break; | |
3155 | case OP_FTPIPE: | |
3156 | if (S_ISFIFO(PL_statcache.st_mode)) | |
3157 | RETPUSHYES; | |
3158 | break; | |
a0d0e21e | 3159 | #ifdef S_ISUID |
17ad201a NC |
3160 | case OP_FTSUID: |
3161 | if (PL_statcache.st_mode & S_ISUID) | |
3162 | RETPUSHYES; | |
3163 | break; | |
a0d0e21e | 3164 | #endif |
a0d0e21e | 3165 | #ifdef S_ISGID |
17ad201a NC |
3166 | case OP_FTSGID: |
3167 | if (PL_statcache.st_mode & S_ISGID) | |
3168 | RETPUSHYES; | |
3169 | break; | |
3170 | #endif | |
3171 | #ifdef S_ISVTX | |
3172 | case OP_FTSVTX: | |
3173 | if (PL_statcache.st_mode & S_ISVTX) | |
3174 | RETPUSHYES; | |
3175 | break; | |
a0d0e21e | 3176 | #endif |
17ad201a | 3177 | } |
a0d0e21e LW |
3178 | RETPUSHNO; |
3179 | } | |
3180 | ||
17ad201a | 3181 | PP(pp_ftlink) |
a0d0e21e | 3182 | { |
97aff369 | 3183 | dVAR; |
17ad201a | 3184 | I32 result = my_lstat(); |
39644a26 | 3185 | dSP; |
a0d0e21e LW |
3186 | if (result < 0) |
3187 | RETPUSHUNDEF; | |
17ad201a | 3188 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e | 3189 | RETPUSHYES; |
a0d0e21e LW |
3190 | RETPUSHNO; |
3191 | } | |
3192 | ||
3193 | PP(pp_fttty) | |
3194 | { | |
97aff369 | 3195 | dVAR; |
39644a26 | 3196 | dSP; |
a0d0e21e LW |
3197 | int fd; |
3198 | GV *gv; | |
a0714e2c | 3199 | SV *tmpsv = NULL; |
fb73857a | 3200 | |
fbb0b3b3 RGS |
3201 | STACKED_FTEST_CHECK; |
3202 | ||
533c011a | 3203 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3204 | gv = cGVOP_gv; |
fb73857a | 3205 | else if (isGV(TOPs)) |
3206 | gv = (GV*)POPs; | |
3207 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3208 | gv = (GV*)SvRV(POPs); | |
a0d0e21e | 3209 | else |
f776e3cd | 3210 | gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO); |
fb73857a | 3211 | |
a0d0e21e | 3212 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3213 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
7a5fd60d | 3214 | else if (tmpsv && SvOK(tmpsv)) { |
349d4f2f | 3215 | const char *tmps = SvPV_nolen_const(tmpsv); |
7a5fd60d NC |
3216 | if (isDIGIT(*tmps)) |
3217 | fd = atoi(tmps); | |
3218 | else | |
3219 | RETPUSHUNDEF; | |
3220 | } | |
a0d0e21e LW |
3221 | else |
3222 | RETPUSHUNDEF; | |
6ad3d225 | 3223 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3224 | RETPUSHYES; |
3225 | RETPUSHNO; | |
3226 | } | |
3227 | ||
16d20bd9 AD |
3228 | #if defined(atarist) /* this will work with atariST. Configure will |
3229 | make guesses for other systems. */ | |
3230 | # define FILE_base(f) ((f)->_base) | |
3231 | # define FILE_ptr(f) ((f)->_ptr) | |
3232 | # define FILE_cnt(f) ((f)->_cnt) | |
3233 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3234 | #endif |
3235 | ||
3236 | PP(pp_fttext) | |
3237 | { | |
97aff369 | 3238 | dVAR; |
39644a26 | 3239 | dSP; |
a0d0e21e LW |
3240 | I32 i; |
3241 | I32 len; | |
3242 | I32 odd = 0; | |
3243 | STDCHAR tbuf[512]; | |
3244 | register STDCHAR *s; | |
3245 | register IO *io; | |
5f05dabc | 3246 | register SV *sv; |
3247 | GV *gv; | |
146174a9 | 3248 | PerlIO *fp; |
a0d0e21e | 3249 | |
fbb0b3b3 RGS |
3250 | STACKED_FTEST_CHECK; |
3251 | ||
533c011a | 3252 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3253 | gv = cGVOP_gv; |
5f05dabc | 3254 | else if (isGV(TOPs)) |
3255 | gv = (GV*)POPs; | |
3256 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3257 | gv = (GV*)SvRV(POPs); | |
3258 | else | |
a0714e2c | 3259 | gv = NULL; |
5f05dabc | 3260 | |
3261 | if (gv) { | |
a0d0e21e | 3262 | EXTEND(SP, 1); |
3280af22 NIS |
3263 | if (gv == PL_defgv) { |
3264 | if (PL_statgv) | |
3265 | io = GvIO(PL_statgv); | |
a0d0e21e | 3266 | else { |
3280af22 | 3267 | sv = PL_statname; |
a0d0e21e LW |
3268 | goto really_filename; |
3269 | } | |
3270 | } | |
3271 | else { | |
3280af22 NIS |
3272 | PL_statgv = gv; |
3273 | PL_laststatval = -1; | |
c69006e4 | 3274 | sv_setpvn(PL_statname, "", 0); |
3280af22 | 3275 | io = GvIO(PL_statgv); |
a0d0e21e LW |
3276 | } |
3277 | if (io && IoIFP(io)) { | |
5f05dabc | 3278 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3279 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3280 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3281 | if (PL_laststatval < 0) | |
5f05dabc | 3282 | RETPUSHUNDEF; |
9cbac4c7 | 3283 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3284 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3285 | RETPUSHNO; |
3286 | else | |
3287 | RETPUSHYES; | |
9cbac4c7 | 3288 | } |
a20bf0c3 | 3289 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3290 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3291 | if (i != EOF) |
760ac839 | 3292 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3293 | } |
a20bf0c3 | 3294 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3295 | RETPUSHYES; |
a20bf0c3 JH |
3296 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3297 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3298 | /* sfio can have large buffers - limit to 512 */ |
3299 | if (len > 512) | |
3300 | len = 512; | |
a0d0e21e LW |
3301 | } |
3302 | else { | |
2dd78f96 | 3303 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
146174a9 | 3304 | gv = cGVOP_gv; |
2dd78f96 | 3305 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); |
146174a9 | 3306 | } |
93189314 | 3307 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3308 | RETPUSHUNDEF; |
3309 | } | |
3310 | } | |
3311 | else { | |
3312 | sv = POPs; | |
5f05dabc | 3313 | really_filename: |
a0714e2c | 3314 | PL_statgv = NULL; |
5c9aa243 | 3315 | PL_laststype = OP_STAT; |
d5263905 | 3316 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
aa07b2f6 | 3317 | if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) { |
349d4f2f NC |
3318 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), |
3319 | '\n')) | |
9014280d | 3320 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
a0d0e21e LW |
3321 | RETPUSHUNDEF; |
3322 | } | |
146174a9 CB |
3323 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3324 | if (PL_laststatval < 0) { | |
3325 | (void)PerlIO_close(fp); | |
5f05dabc | 3326 | RETPUSHUNDEF; |
146174a9 | 3327 | } |
bd61b366 | 3328 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL); |
146174a9 CB |
3329 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3330 | (void)PerlIO_close(fp); | |
a0d0e21e | 3331 | if (len <= 0) { |
533c011a | 3332 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3333 | RETPUSHNO; /* special case NFS directories */ |
3334 | RETPUSHYES; /* null file is anything */ | |
3335 | } | |
3336 | s = tbuf; | |
3337 | } | |
3338 | ||
3339 | /* now scan s to look for textiness */ | |
4633a7c4 | 3340 | /* XXX ASCII dependent code */ |
a0d0e21e | 3341 | |
146174a9 CB |
3342 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3343 | /* ignore trailing ^Z on short files */ | |
58c0efa5 | 3344 | if (len && len < (I32)sizeof(tbuf) && tbuf[len-1] == 26) |
146174a9 CB |
3345 | --len; |
3346 | #endif | |
3347 | ||
a0d0e21e LW |
3348 | for (i = 0; i < len; i++, s++) { |
3349 | if (!*s) { /* null never allowed in text */ | |
3350 | odd += len; | |
3351 | break; | |
3352 | } | |
9d116dd7 | 3353 | #ifdef EBCDIC |
301e8125 | 3354 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3355 | odd++; |
3356 | #else | |
146174a9 CB |
3357 | else if (*s & 128) { |
3358 | #ifdef USE_LOCALE | |
2de3dbcc | 3359 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3360 | continue; |
3361 | #endif | |
3362 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3363 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3364 | int ulen = UTF8SKIP(s); |
3365 | if (ulen < len - i) { | |
3366 | int j; | |
3367 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3368 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3369 | goto not_utf8; |
3370 | } | |
3371 | --ulen; /* loop does extra increment */ | |
3372 | s += ulen; | |
3373 | i += ulen; | |
3374 | continue; | |
3375 | } | |
3376 | } | |
3377 | not_utf8: | |
3378 | odd++; | |
146174a9 | 3379 | } |
a0d0e21e LW |
3380 | else if (*s < 32 && |
3381 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3382 | *s != '\t' && *s != '\f' && *s != 27) | |
3383 | odd++; | |
9d116dd7 | 3384 | #endif |
a0d0e21e LW |
3385 | } |
3386 | ||
533c011a | 3387 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3388 | RETPUSHNO; |
3389 | else | |
3390 | RETPUSHYES; | |
3391 | } | |
3392 | ||
a0d0e21e LW |
3393 | /* File calls. */ |
3394 | ||
3395 | PP(pp_chdir) | |
3396 | { | |
97aff369 | 3397 | dVAR; dSP; dTARGET; |
c445ea15 | 3398 | const char *tmps = NULL; |
9a957fbc | 3399 | GV *gv = NULL; |
a0d0e21e | 3400 | |
c4aca7d0 | 3401 | if( MAXARG == 1 ) { |
9a957fbc | 3402 | SV * const sv = POPs; |
d4ac975e GA |
3403 | if (PL_op->op_flags & OPf_SPECIAL) { |
3404 | gv = gv_fetchsv(sv, 0, SVt_PVIO); | |
3405 | } | |
3406 | else if (SvTYPE(sv) == SVt_PVGV) { | |
c4aca7d0 GA |
3407 | gv = (GV*)sv; |
3408 | } | |
3409 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
3410 | gv = (GV*)SvRV(sv); | |
3411 | } | |
3412 | else { | |
4ea561bc | 3413 | tmps = SvPV_nolen_const(sv); |
c4aca7d0 GA |
3414 | } |
3415 | } | |
35ae6b54 | 3416 | |
c4aca7d0 | 3417 | if( !gv && (!tmps || !*tmps) ) { |
9a957fbc AL |
3418 | HV * const table = GvHVn(PL_envgv); |
3419 | SV **svp; | |
3420 | ||
a4fc7abc AL |
3421 | if ( (svp = hv_fetchs(table, "HOME", FALSE)) |
3422 | || (svp = hv_fetchs(table, "LOGDIR", FALSE)) | |
491527d0 | 3423 | #ifdef VMS |
a4fc7abc | 3424 | || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE)) |
491527d0 | 3425 | #endif |
35ae6b54 MS |
3426 | ) |
3427 | { | |
3428 | if( MAXARG == 1 ) | |
9014280d | 3429 | deprecate("chdir('') or chdir(undef) as chdir()"); |
8c074e2a | 3430 | tmps = SvPV_nolen_const(*svp); |
35ae6b54 | 3431 | } |
72f496dc | 3432 | else { |
389ec635 | 3433 | PUSHi(0); |
b7ab37f8 | 3434 | TAINT_PROPER("chdir"); |
389ec635 MS |
3435 | RETURN; |
3436 | } | |
8ea155d1 | 3437 | } |
8ea155d1 | 3438 | |
a0d0e21e | 3439 | TAINT_PROPER("chdir"); |
c4aca7d0 GA |
3440 | if (gv) { |
3441 | #ifdef HAS_FCHDIR | |
9a957fbc | 3442 | IO* const io = GvIO(gv); |
c4aca7d0 | 3443 | if (io) { |
c08d6937 | 3444 | if (IoDIRP(io)) { |
3497a01f | 3445 | PUSHi(fchdir(my_dirfd(IoDIRP(io))) >= 0); |
c08d6937 SP |
3446 | } else if (IoIFP(io)) { |
3447 | PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0); | |
c4aca7d0 GA |
3448 | } |
3449 | else { | |
4dc171f0 PD |
3450 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
3451 | report_evil_fh(gv, io, PL_op->op_type); | |
3452 | SETERRNO(EBADF, RMS_IFI); | |
c4aca7d0 GA |
3453 | PUSHi(0); |
3454 | } | |
3455 | } | |
3456 | else { | |
4dc171f0 PD |
3457 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
3458 | report_evil_fh(gv, io, PL_op->op_type); | |
3459 | SETERRNO(EBADF,RMS_IFI); | |
c4aca7d0 GA |
3460 | PUSHi(0); |
3461 | } | |
3462 | #else | |
3463 | DIE(aTHX_ PL_no_func, "fchdir"); | |
3464 | #endif | |
3465 | } | |
3466 | else | |
b8ffc8df | 3467 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3468 | #ifdef VMS |
3469 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3470 | * in the future. */ | |
6b88bc9c | 3471 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3472 | #endif |
a0d0e21e LW |
3473 | RETURN; |
3474 | } | |
3475 | ||
3476 | PP(pp_chown) | |
3477 | { | |
97aff369 | 3478 | dVAR; dSP; dMARK; dTARGET; |
605b9385 | 3479 | const I32 value = (I32)apply(PL_op->op_type, MARK, SP); |
76ffd3b9 | 3480 | |
a0d0e21e | 3481 | SP = MARK; |
b59aed67 | 3482 | XPUSHi(value); |
a0d0e21e | 3483 | RETURN; |
a0d0e21e LW |
3484 | } |
3485 | ||
3486 | PP(pp_chroot) | |
3487 | { | |
a0d0e21e | 3488 | #ifdef HAS_CHROOT |
97aff369 | 3489 | dVAR; dSP; dTARGET; |
7452cf6a | 3490 | char * const tmps = POPpx; |
a0d0e21e LW |
3491 | TAINT_PROPER("chroot"); |
3492 | PUSHi( chroot(tmps) >= 0 ); | |
3493 | RETURN; | |
3494 | #else | |
cea2e8a9 | 3495 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3496 | #endif |
3497 | } | |
3498 | ||
a0d0e21e LW |
3499 | PP(pp_rename) |
3500 | { | |
97aff369 | 3501 | dVAR; dSP; dTARGET; |
a0d0e21e | 3502 | int anum; |
7452cf6a AL |
3503 | const char * const tmps2 = POPpconstx; |
3504 | const char * const tmps = SvPV_nolen_const(TOPs); | |
a0d0e21e LW |
3505 | TAINT_PROPER("rename"); |
3506 | #ifdef HAS_RENAME | |
baed7233 | 3507 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3508 | #else |
6b88bc9c | 3509 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3510 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3511 | anum = 1; | |
3512 | else { | |
3654eb6c | 3513 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3514 | (void)UNLINK(tmps2); |
3515 | if (!(anum = link(tmps, tmps2))) | |
3516 | anum = UNLINK(tmps); | |
3517 | } | |
a0d0e21e LW |
3518 | } |
3519 | #endif | |
3520 | SETi( anum >= 0 ); | |
3521 | RETURN; | |
3522 | } | |
3523 | ||
ce6987d0 | 3524 | #if defined(HAS_LINK) || defined(HAS_SYMLINK) |
a0d0e21e LW |
3525 | PP(pp_link) |
3526 | { | |
97aff369 | 3527 | dVAR; dSP; dTARGET; |
ce6987d0 NC |
3528 | const int op_type = PL_op->op_type; |
3529 | int result; | |
a0d0e21e | 3530 | |
ce6987d0 NC |
3531 | # ifndef HAS_LINK |
3532 | if (op_type == OP_LINK) | |
3533 | DIE(aTHX_ PL_no_func, "link"); | |
3534 | # endif | |
3535 | # ifndef HAS_SYMLINK | |
3536 | if (op_type == OP_SYMLINK) | |
3537 | DIE(aTHX_ PL_no_func, "symlink"); | |
3538 | # endif | |
3539 | ||
3540 | { | |
7452cf6a AL |
3541 | const char * const tmps2 = POPpconstx; |
3542 | const char * const tmps = SvPV_nolen_const(TOPs); | |
ce6987d0 NC |
3543 | TAINT_PROPER(PL_op_desc[op_type]); |
3544 | result = | |
3545 | # if defined(HAS_LINK) | |
3546 | # if defined(HAS_SYMLINK) | |
3547 | /* Both present - need to choose which. */ | |
3548 | (op_type == OP_LINK) ? | |
3549 | PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2); | |
3550 | # else | |
4a8ebb7f SH |
3551 | /* Only have link, so calls to pp_symlink will have DIE()d above. */ |
3552 | PerlLIO_link(tmps, tmps2); | |
ce6987d0 NC |
3553 | # endif |
3554 | # else | |
3555 | # if defined(HAS_SYMLINK) | |
4a8ebb7f SH |
3556 | /* Only have symlink, so calls to pp_link will have DIE()d above. */ |
3557 | symlink(tmps, tmps2); | |
ce6987d0 NC |
3558 | # endif |
3559 | # endif | |
3560 | } | |
3561 | ||
3562 | SETi( result >= 0 ); | |
a0d0e21e | 3563 | RETURN; |
ce6987d0 | 3564 | } |
a0d0e21e | 3565 | #else |
ce6987d0 NC |
3566 | PP(pp_link) |
3567 | { | |
3568 | /* Have neither. */ | |
3569 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 3570 | } |
ce6987d0 | 3571 | #endif |
a0d0e21e LW |
3572 | |
3573 | PP(pp_readlink) | |
3574 | { | |
97aff369 | 3575 | dVAR; |
76ffd3b9 | 3576 | dSP; |
a0d0e21e | 3577 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3578 | dTARGET; |
10516c54 | 3579 | const char *tmps; |
46fc3d4c | 3580 | char buf[MAXPATHLEN]; |
a0d0e21e | 3581 | int len; |
46fc3d4c | 3582 | |
fb73857a | 3583 | #ifndef INCOMPLETE_TAINTS |
3584 | TAINT; | |
3585 | #endif | |
10516c54 | 3586 | tmps = POPpconstx; |
97dcea33 | 3587 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3588 | EXTEND(SP, 1); |
3589 | if (len < 0) | |
3590 | RETPUSHUNDEF; | |
3591 | PUSHp(buf, len); | |
3592 | RETURN; | |
3593 | #else | |
3594 | EXTEND(SP, 1); | |
3595 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3596 | #endif | |
3597 | } | |
3598 | ||
3599 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3600 | STATIC int |
b464bac0 | 3601 | S_dooneliner(pTHX_ const char *cmd, const char *filename) |
a0d0e21e | 3602 | { |
b464bac0 | 3603 | char * const save_filename = filename; |
1e422769 | 3604 | char *cmdline; |
3605 | char *s; | |
760ac839 | 3606 | PerlIO *myfp; |
1e422769 | 3607 | int anum = 1; |
6fca0082 | 3608 | Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10; |
a0d0e21e | 3609 | |
6fca0082 SP |
3610 | Newx(cmdline, size, char); |
3611 | my_strlcpy(cmdline, cmd, size); | |
3612 | my_strlcat(cmdline, " ", size); | |
1e422769 | 3613 | for (s = cmdline + strlen(cmdline); *filename; ) { |
a0d0e21e LW |
3614 | *s++ = '\\'; |
3615 | *s++ = *filename++; | |
3616 | } | |
d1307786 JH |
3617 | if (s - cmdline < size) |
3618 | my_strlcpy(s, " 2>&1", size - (s - cmdline)); | |
6ad3d225 | 3619 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3620 | Safefree(cmdline); |
3621 | ||
a0d0e21e | 3622 | if (myfp) { |
0bcc34c2 | 3623 | SV * const tmpsv = sv_newmortal(); |
6b88bc9c | 3624 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3625 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3626 | (void)PerlProc_pclose(myfp); |
bd61b366 | 3627 | if (s != NULL) { |
1e422769 | 3628 | int e; |
3629 | for (e = 1; | |
a0d0e21e | 3630 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3631 | e <= sys_nerr |
3632 | #endif | |
3633 | ; e++) | |
3634 | { | |
3635 | /* you don't see this */ | |
6136c704 | 3636 | const char * const errmsg = |
1e422769 | 3637 | #ifdef HAS_SYS_ERRLIST |
3638 | sys_errlist[e] | |
a0d0e21e | 3639 | #else |
1e422769 | 3640 | strerror(e) |
a0d0e21e | 3641 | #endif |
1e422769 | 3642 | ; |
3643 | if (!errmsg) | |
3644 | break; | |
3645 | if (instr(s, errmsg)) { | |
3646 | SETERRNO(e,0); | |
3647 | return 0; | |
3648 | } | |
a0d0e21e | 3649 | } |
748a9306 | 3650 | SETERRNO(0,0); |
a0d0e21e LW |
3651 | #ifndef EACCES |
3652 | #define EACCES EPERM | |
3653 | #endif | |
1e422769 | 3654 | if (instr(s, "cannot make")) |
93189314 | 3655 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3656 | else if (instr(s, "existing file")) |
93189314 | 3657 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3658 | else if (instr(s, "ile exists")) |
93189314 | 3659 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3660 | else if (instr(s, "non-exist")) |
93189314 | 3661 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3662 | else if (instr(s, "does not exist")) |
93189314 | 3663 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3664 | else if (instr(s, "not empty")) |
93189314 | 3665 | SETERRNO(EBUSY,SS_DEVOFFLINE); |
1e422769 | 3666 | else if (instr(s, "cannot access")) |
93189314 | 3667 | SETERRNO(EACCES,RMS_PRV); |
a0d0e21e | 3668 | else |
93189314 | 3669 | SETERRNO(EPERM,RMS_PRV); |
a0d0e21e LW |
3670 | return 0; |
3671 | } | |
3672 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3673 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3674 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3675 | anum = !anum; |
3676 | if (anum) | |
748a9306 | 3677 | SETERRNO(0,0); |
a0d0e21e | 3678 | else |
93189314 | 3679 | SETERRNO(EACCES,RMS_PRV); /* a guess */ |
a0d0e21e LW |
3680 | } |
3681 | return anum; | |
3682 | } | |
3683 | else | |
3684 | return 0; | |
3685 | } | |
3686 | #endif | |
3687 | ||
0c54f65b RGS |
3688 | /* This macro removes trailing slashes from a directory name. |
3689 | * Different operating and file systems take differently to | |
3690 | * trailing slashes. According to POSIX 1003.1 1996 Edition | |
3691 | * any number of trailing slashes should be allowed. | |
3692 | * Thusly we snip them away so that even non-conforming | |
3693 | * systems are happy. | |
3694 | * We should probably do this "filtering" for all | |
3695 | * the functions that expect (potentially) directory names: | |
3696 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3697 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3698 | ||
5c144d81 | 3699 | #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \ |
0c54f65b RGS |
3700 | if ((len) > 1 && (tmps)[(len)-1] == '/') { \ |
3701 | do { \ | |
3702 | (len)--; \ | |
3703 | } while ((len) > 1 && (tmps)[(len)-1] == '/'); \ | |
3704 | (tmps) = savepvn((tmps), (len)); \ | |
3705 | (copy) = TRUE; \ | |
3706 | } | |
3707 | ||
a0d0e21e LW |
3708 | PP(pp_mkdir) |
3709 | { | |
97aff369 | 3710 | dVAR; dSP; dTARGET; |
df25ddba | 3711 | STRLEN len; |
5c144d81 | 3712 | const char *tmps; |
df25ddba | 3713 | bool copy = FALSE; |
7452cf6a | 3714 | const int mode = (MAXARG > 1) ? POPi : 0777; |
5a211162 | 3715 | |
0c54f65b | 3716 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3717 | |
3718 | TAINT_PROPER("mkdir"); | |
3719 | #ifdef HAS_MKDIR | |
b8ffc8df | 3720 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e | 3721 | #else |
0bcc34c2 AL |
3722 | { |
3723 | int oldumask; | |
a0d0e21e | 3724 | SETi( dooneliner("mkdir", tmps) ); |
6ad3d225 GS |
3725 | oldumask = PerlLIO_umask(0); |
3726 | PerlLIO_umask(oldumask); | |
3727 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
0bcc34c2 | 3728 | } |
a0d0e21e | 3729 | #endif |
df25ddba JH |
3730 | if (copy) |
3731 | Safefree(tmps); | |
a0d0e21e LW |
3732 | RETURN; |
3733 | } | |
3734 | ||
3735 | PP(pp_rmdir) | |
3736 | { | |
97aff369 | 3737 | dVAR; dSP; dTARGET; |
0c54f65b | 3738 | STRLEN len; |
5c144d81 | 3739 | const char *tmps; |
0c54f65b | 3740 | bool copy = FALSE; |
a0d0e21e | 3741 | |
0c54f65b | 3742 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3743 | TAINT_PROPER("rmdir"); |
3744 | #ifdef HAS_RMDIR | |
b8ffc8df | 3745 | SETi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e | 3746 | #else |
0c54f65b | 3747 | SETi( dooneliner("rmdir", tmps) ); |
a0d0e21e | 3748 | #endif |
0c54f65b RGS |
3749 | if (copy) |
3750 | Safefree(tmps); | |
a0d0e21e LW |
3751 | RETURN; |
3752 | } | |
3753 | ||
3754 | /* Directory calls. */ | |
3755 | ||
3756 | PP(pp_open_dir) | |
3757 | { | |
a0d0e21e | 3758 | #if defined(Direntry_t) && defined(HAS_READDIR) |
97aff369 | 3759 | dVAR; dSP; |
7452cf6a AL |
3760 | const char * const dirname = POPpconstx; |
3761 | GV * const gv = (GV*)POPs; | |
3762 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
3763 | |
3764 | if (!io) | |
3765 | goto nope; | |
3766 | ||
abc718f2 RGS |
3767 | if ((IoIFP(io) || IoOFP(io)) && ckWARN2(WARN_IO, WARN_DEPRECATED)) |
3768 | Perl_warner(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), | |
3769 | "Opening filehandle %s also as a directory", GvENAME(gv)); | |
a0d0e21e | 3770 | if (IoDIRP(io)) |
6ad3d225 | 3771 | PerlDir_close(IoDIRP(io)); |
b8ffc8df | 3772 | if (!(IoDIRP(io) = PerlDir_open(dirname))) |
a0d0e21e LW |
3773 | goto nope; |
3774 | ||
3775 | RETPUSHYES; | |
3776 | nope: | |
3777 | if (!errno) | |
93189314 | 3778 | SETERRNO(EBADF,RMS_DIR); |
a0d0e21e LW |
3779 | RETPUSHUNDEF; |
3780 | #else | |
cea2e8a9 | 3781 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3782 | #endif |
3783 | } | |
3784 | ||
3785 | PP(pp_readdir) | |
3786 | { | |
34b7f128 AMS |
3787 | #if !defined(Direntry_t) || !defined(HAS_READDIR) |
3788 | DIE(aTHX_ PL_no_dir_func, "readdir"); | |
3789 | #else | |
fd8cd3a3 | 3790 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3791 | Direntry_t *readdir (DIR *); |
a0d0e21e | 3792 | #endif |
97aff369 | 3793 | dVAR; |
34b7f128 AMS |
3794 | dSP; |
3795 | ||
3796 | SV *sv; | |
f54cb97a | 3797 | const I32 gimme = GIMME; |
7452cf6a AL |
3798 | GV * const gv = (GV *)POPs; |
3799 | register const Direntry_t *dp; | |
3800 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3801 | |
3b7fbd4a SP |
3802 | if (!io || !IoDIRP(io)) { |
3803 | if(ckWARN(WARN_IO)) { | |
3804 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3805 | "readdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3806 | } | |
3807 | goto nope; | |
3808 | } | |
a0d0e21e | 3809 | |
34b7f128 AMS |
3810 | do { |
3811 | dp = (Direntry_t *)PerlDir_read(IoDIRP(io)); | |
3812 | if (!dp) | |
3813 | break; | |
a0d0e21e | 3814 | #ifdef DIRNAMLEN |
34b7f128 | 3815 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3816 | #else |
34b7f128 | 3817 | sv = newSVpv(dp->d_name, 0); |
fb73857a | 3818 | #endif |
3819 | #ifndef INCOMPLETE_TAINTS | |
34b7f128 AMS |
3820 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3821 | SvTAINTED_on(sv); | |
a0d0e21e | 3822 | #endif |
34b7f128 | 3823 | XPUSHs(sv_2mortal(sv)); |
a79db61d | 3824 | } while (gimme == G_ARRAY); |
34b7f128 AMS |
3825 | |
3826 | if (!dp && gimme != G_ARRAY) | |
3827 | goto nope; | |
3828 | ||
a0d0e21e LW |
3829 | RETURN; |
3830 | ||
3831 | nope: | |
3832 | if (!errno) | |
93189314 | 3833 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3834 | if (GIMME == G_ARRAY) |
3835 | RETURN; | |
3836 | else | |
3837 | RETPUSHUNDEF; | |
a0d0e21e LW |
3838 | #endif |
3839 | } | |
3840 | ||
3841 | PP(pp_telldir) | |
3842 | { | |
a0d0e21e | 3843 | #if defined(HAS_TELLDIR) || defined(telldir) |
27da23d5 | 3844 | dVAR; dSP; dTARGET; |
968dcd91 JH |
3845 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3846 | /* XXX netbsd still seemed to. | |
3847 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3848 | --JHI 1999-Feb-02 */ | |
3849 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3850 | long telldir (DIR *); |
dfe9444c | 3851 | # endif |
7452cf6a AL |
3852 | GV * const gv = (GV*)POPs; |
3853 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3854 | |
abc7ecad SP |
3855 | if (!io || !IoDIRP(io)) { |
3856 | if(ckWARN(WARN_IO)) { | |
3857 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3858 | "telldir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3859 | } | |
3860 | goto nope; | |
3861 | } | |
a0d0e21e | 3862 | |
6ad3d225 | 3863 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3864 | RETURN; |
3865 | nope: | |
3866 | if (!errno) | |
93189314 | 3867 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3868 | RETPUSHUNDEF; |
3869 | #else | |
cea2e8a9 | 3870 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3871 | #endif |
3872 | } | |
3873 | ||
3874 | PP(pp_seekdir) | |
3875 | { | |
a0d0e21e | 3876 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
97aff369 | 3877 | dVAR; dSP; |
7452cf6a AL |
3878 | const long along = POPl; |
3879 | GV * const gv = (GV*)POPs; | |
3880 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3881 | |
abc7ecad SP |
3882 | if (!io || !IoDIRP(io)) { |
3883 | if(ckWARN(WARN_IO)) { | |
3884 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3885 | "seekdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3886 | } | |
3887 | goto nope; | |
3888 | } | |
6ad3d225 | 3889 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3890 | |
3891 | RETPUSHYES; | |
3892 | nope: | |
3893 | if (!errno) | |
93189314 | 3894 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3895 | RETPUSHUNDEF; |
3896 | #else | |
cea2e8a9 | 3897 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3898 | #endif |
3899 | } | |
3900 | ||
3901 | PP(pp_rewinddir) | |
3902 | { | |
a0d0e21e | 3903 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
97aff369 | 3904 | dVAR; dSP; |
7452cf6a AL |
3905 | GV * const gv = (GV*)POPs; |
3906 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3907 | |
abc7ecad SP |
3908 | if (!io || !IoDIRP(io)) { |
3909 | if(ckWARN(WARN_IO)) { | |
3910 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3911 | "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3912 | } | |
a0d0e21e | 3913 | goto nope; |
abc7ecad | 3914 | } |
6ad3d225 | 3915 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3916 | RETPUSHYES; |
3917 | nope: | |
3918 | if (!errno) | |
93189314 | 3919 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3920 | RETPUSHUNDEF; |
3921 | #else | |
cea2e8a9 | 3922 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3923 | #endif |
3924 | } | |
3925 | ||
3926 | PP(pp_closedir) | |
3927 | { | |
a0d0e21e | 3928 | #if defined(Direntry_t) && defined(HAS_READDIR) |
97aff369 | 3929 | dVAR; dSP; |
7452cf6a AL |
3930 | GV * const gv = (GV*)POPs; |
3931 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3932 | |
abc7ecad SP |
3933 | if (!io || !IoDIRP(io)) { |
3934 | if(ckWARN(WARN_IO)) { | |
3935 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3936 | "closedir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3937 | } | |
3938 | goto nope; | |
3939 | } | |
a0d0e21e | 3940 | #ifdef VOID_CLOSEDIR |
6ad3d225 | 3941 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3942 | #else |
6ad3d225 | 3943 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3944 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3945 | goto nope; |
748a9306 | 3946 | } |
a0d0e21e LW |
3947 | #endif |
3948 | IoDIRP(io) = 0; | |
3949 | ||
3950 | RETPUSHYES; | |
3951 | nope: | |
3952 | if (!errno) | |
93189314 | 3953 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3954 | RETPUSHUNDEF; |
3955 | #else | |
cea2e8a9 | 3956 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
3957 | #endif |
3958 | } | |
3959 | ||
3960 | /* Process control. */ | |
3961 | ||
3962 | PP(pp_fork) | |
3963 | { | |
44a8e56a | 3964 | #ifdef HAS_FORK |
97aff369 | 3965 | dVAR; dSP; dTARGET; |
761237fe | 3966 | Pid_t childpid; |
a0d0e21e LW |
3967 | |
3968 | EXTEND(SP, 1); | |
45bc9206 | 3969 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 3970 | childpid = PerlProc_fork(); |
a0d0e21e LW |
3971 | if (childpid < 0) |
3972 | RETSETUNDEF; | |
3973 | if (!childpid) { | |
fafc274c | 3974 | GV * const tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV); |
7452cf6a | 3975 | if (tmpgv) { |
306196c3 | 3976 | SvREADONLY_off(GvSV(tmpgv)); |
146174a9 | 3977 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3978 | SvREADONLY_on(GvSV(tmpgv)); |
3979 | } | |
4d76a344 RGS |
3980 | #ifdef THREADS_HAVE_PIDS |
3981 | PL_ppid = (IV)getppid(); | |
3982 | #endif | |
ca0c25f6 | 3983 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 3984 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
ca0c25f6 | 3985 | #endif |
a0d0e21e LW |
3986 | } |
3987 | PUSHi(childpid); | |
3988 | RETURN; | |
3989 | #else | |
146174a9 | 3990 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 3991 | dSP; dTARGET; |
146174a9 CB |
3992 | Pid_t childpid; |
3993 | ||
3994 | EXTEND(SP, 1); | |
3995 | PERL_FLUSHALL_FOR_CHILD; | |
3996 | childpid = PerlProc_fork(); | |
60fa28ff GS |
3997 | if (childpid == -1) |
3998 | RETSETUNDEF; | |
146174a9 CB |
3999 | PUSHi(childpid); |
4000 | RETURN; | |
4001 | # else | |
0322a713 | 4002 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 4003 | # endif |
a0d0e21e LW |
4004 | #endif |
4005 | } | |
4006 | ||
4007 | PP(pp_wait) | |
4008 | { | |
9c12f1e5 | 4009 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) && !defined(__LIBCATAMOUNT__) |
97aff369 | 4010 | dVAR; dSP; dTARGET; |
761237fe | 4011 | Pid_t childpid; |
a0d0e21e | 4012 | int argflags; |
a0d0e21e | 4013 | |
4ffa73a3 JH |
4014 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
4015 | childpid = wait4pid(-1, &argflags, 0); | |
4016 | else { | |
4017 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && | |
4018 | errno == EINTR) { | |
4019 | PERL_ASYNC_CHECK(); | |
4020 | } | |
0a0ada86 | 4021 | } |
68a29c53 GS |
4022 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4023 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 4024 | STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1); |
68a29c53 | 4025 | # else |
2fbb330f | 4026 | STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 4027 | # endif |
44a8e56a | 4028 | XPUSHi(childpid); |
a0d0e21e LW |
4029 | RETURN; |
4030 | #else | |
0322a713 | 4031 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
4032 | #endif |
4033 | } | |
4034 | ||
4035 | PP(pp_waitpid) | |
4036 | { | |
9c12f1e5 | 4037 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) && !defined(__LIBCATAMOUNT__) |
97aff369 | 4038 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4039 | const int optype = POPi; |
4040 | const Pid_t pid = TOPi; | |
2ec0bfb3 | 4041 | Pid_t result; |
a0d0e21e | 4042 | int argflags; |
a0d0e21e | 4043 | |
4ffa73a3 | 4044 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
2ec0bfb3 | 4045 | result = wait4pid(pid, &argflags, optype); |
4ffa73a3 | 4046 | else { |
2ec0bfb3 | 4047 | while ((result = wait4pid(pid, &argflags, optype)) == -1 && |
4ffa73a3 JH |
4048 | errno == EINTR) { |
4049 | PERL_ASYNC_CHECK(); | |
4050 | } | |
0a0ada86 | 4051 | } |
68a29c53 GS |
4052 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4053 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 4054 | STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1); |
68a29c53 | 4055 | # else |
2fbb330f | 4056 | STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1); |
68a29c53 | 4057 | # endif |
2ec0bfb3 | 4058 | SETi(result); |
a0d0e21e LW |
4059 | RETURN; |
4060 | #else | |
0322a713 | 4061 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
4062 | #endif |
4063 | } | |
4064 | ||
4065 | PP(pp_system) | |
4066 | { | |
97aff369 | 4067 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
9c12f1e5 RGS |
4068 | #if defined(__LIBCATAMOUNT__) |
4069 | PL_statusvalue = -1; | |
4070 | SP = ORIGMARK; | |
4071 | XPUSHi(-1); | |
4072 | #else | |
a0d0e21e | 4073 | I32 value; |
76ffd3b9 | 4074 | int result; |
a0d0e21e | 4075 | |
bbd7eb8a RD |
4076 | if (PL_tainting) { |
4077 | TAINT_ENV(); | |
4078 | while (++MARK <= SP) { | |
10516c54 | 4079 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 4080 | if (PL_tainted) |
bbd7eb8a RD |
4081 | break; |
4082 | } | |
4083 | MARK = ORIGMARK; | |
5a445156 | 4084 | TAINT_PROPER("system"); |
a0d0e21e | 4085 | } |
45bc9206 | 4086 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 4087 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 | 4088 | { |
eb160463 GS |
4089 | Pid_t childpid; |
4090 | int pp[2]; | |
27da23d5 | 4091 | I32 did_pipes = 0; |
eb160463 GS |
4092 | |
4093 | if (PerlProc_pipe(pp) >= 0) | |
4094 | did_pipes = 1; | |
4095 | while ((childpid = PerlProc_fork()) == -1) { | |
4096 | if (errno != EAGAIN) { | |
4097 | value = -1; | |
4098 | SP = ORIGMARK; | |
b59aed67 | 4099 | XPUSHi(value); |
eb160463 GS |
4100 | if (did_pipes) { |
4101 | PerlLIO_close(pp[0]); | |
4102 | PerlLIO_close(pp[1]); | |
4103 | } | |
4104 | RETURN; | |
4105 | } | |
4106 | sleep(5); | |
4107 | } | |
4108 | if (childpid > 0) { | |
4109 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
4110 | int status; | |
4111 | ||
4112 | if (did_pipes) | |
4113 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4114 | #ifndef PERL_MICRO |
8aad04aa JH |
4115 | rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand); |
4116 | rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand); | |
64ca3a65 | 4117 | #endif |
eb160463 GS |
4118 | do { |
4119 | result = wait4pid(childpid, &status, 0); | |
4120 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4121 | #ifndef PERL_MICRO |
eb160463 GS |
4122 | (void)rsignal_restore(SIGINT, &ihand); |
4123 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4124 | #endif | |
37038d91 | 4125 | STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status); |
eb160463 GS |
4126 | do_execfree(); /* free any memory child malloced on fork */ |
4127 | SP = ORIGMARK; | |
4128 | if (did_pipes) { | |
4129 | int errkid; | |
bb7a0f54 MHM |
4130 | unsigned n = 0; |
4131 | SSize_t n1; | |
eb160463 GS |
4132 | |
4133 | while (n < sizeof(int)) { | |
4134 | n1 = PerlLIO_read(pp[0], | |
4135 | (void*)(((char*)&errkid)+n), | |
4136 | (sizeof(int)) - n); | |
4137 | if (n1 <= 0) | |
4138 | break; | |
4139 | n += n1; | |
4140 | } | |
4141 | PerlLIO_close(pp[0]); | |
4142 | if (n) { /* Error */ | |
4143 | if (n != sizeof(int)) | |
4144 | DIE(aTHX_ "panic: kid popen errno read"); | |
4145 | errno = errkid; /* Propagate errno from kid */ | |
37038d91 | 4146 | STATUS_NATIVE_CHILD_SET(-1); |
eb160463 GS |
4147 | } |
4148 | } | |
b59aed67 | 4149 | XPUSHi(STATUS_CURRENT); |
eb160463 GS |
4150 | RETURN; |
4151 | } | |
4152 | if (did_pipes) { | |
4153 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4154 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
eb160463 | 4155 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4156 | #endif |
eb160463 | 4157 | } |
e0a1f643 | 4158 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4159 | SV * const really = *++MARK; |
e0a1f643 JH |
4160 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
4161 | } | |
4162 | else if (SP - MARK != 1) | |
a0714e2c | 4163 | value = (I32)do_aexec5(NULL, MARK, SP, pp[1], did_pipes); |
e0a1f643 | 4164 | else { |
8c074e2a | 4165 | value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes); |
e0a1f643 JH |
4166 | } |
4167 | PerlProc__exit(-1); | |
d5a9bfb0 | 4168 | } |
c3293030 | 4169 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4170 | PL_statusvalue = 0; |
4171 | result = 0; | |
911d147d | 4172 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4173 | SV * const really = *++MARK; |
a0fd4948 | 4174 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) |
54725af6 GS |
4175 | value = (I32)do_aspawn(really, MARK, SP); |
4176 | # else | |
c5be433b | 4177 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
54725af6 | 4178 | # endif |
a0d0e21e | 4179 | } |
54725af6 | 4180 | else if (SP - MARK != 1) { |
a0fd4948 | 4181 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) |
a0714e2c | 4182 | value = (I32)do_aspawn(NULL, MARK, SP); |
54725af6 | 4183 | # else |
a0714e2c | 4184 | value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP); |
54725af6 GS |
4185 | # endif |
4186 | } | |
a0d0e21e | 4187 | else { |
8c074e2a | 4188 | value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4189 | } |
922b1888 GS |
4190 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4191 | result = 1; | |
2fbb330f | 4192 | STATUS_NATIVE_CHILD_SET(value); |
a0d0e21e LW |
4193 | do_execfree(); |
4194 | SP = ORIGMARK; | |
b59aed67 | 4195 | XPUSHi(result ? value : STATUS_CURRENT); |
9c12f1e5 RGS |
4196 | #endif /* !FORK or VMS or OS/2 */ |
4197 | #endif | |
a0d0e21e LW |
4198 | RETURN; |
4199 | } | |
4200 | ||
4201 | PP(pp_exec) | |
4202 | { | |
97aff369 | 4203 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4204 | I32 value; |
4205 | ||
bbd7eb8a RD |
4206 | if (PL_tainting) { |
4207 | TAINT_ENV(); | |
4208 | while (++MARK <= SP) { | |
10516c54 | 4209 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 4210 | if (PL_tainted) |
bbd7eb8a RD |
4211 | break; |
4212 | } | |
4213 | MARK = ORIGMARK; | |
5a445156 | 4214 | TAINT_PROPER("exec"); |
bbd7eb8a | 4215 | } |
45bc9206 | 4216 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4217 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4218 | SV * const really = *++MARK; |
a0d0e21e LW |
4219 | value = (I32)do_aexec(really, MARK, SP); |
4220 | } | |
4221 | else if (SP - MARK != 1) | |
4222 | #ifdef VMS | |
a0714e2c | 4223 | value = (I32)vms_do_aexec(NULL, MARK, SP); |
a0d0e21e | 4224 | #else |
092bebab JH |
4225 | # ifdef __OPEN_VM |
4226 | { | |
a0714e2c | 4227 | (void ) do_aspawn(NULL, MARK, SP); |
092bebab JH |
4228 | value = 0; |
4229 | } | |
4230 | # else | |
a0714e2c | 4231 | value = (I32)do_aexec(NULL, MARK, SP); |
092bebab | 4232 | # endif |
a0d0e21e LW |
4233 | #endif |
4234 | else { | |
a0d0e21e | 4235 | #ifdef VMS |
8c074e2a | 4236 | value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4237 | #else |
092bebab | 4238 | # ifdef __OPEN_VM |
8c074e2a | 4239 | (void) do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab JH |
4240 | value = 0; |
4241 | # else | |
8c074e2a | 4242 | value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab | 4243 | # endif |
a0d0e21e LW |
4244 | #endif |
4245 | } | |
146174a9 | 4246 | |
a0d0e21e | 4247 | SP = ORIGMARK; |
b59aed67 | 4248 | XPUSHi(value); |
a0d0e21e LW |
4249 | RETURN; |
4250 | } | |
4251 | ||
a0d0e21e LW |
4252 | PP(pp_getppid) |
4253 | { | |
4254 | #ifdef HAS_GETPPID | |
97aff369 | 4255 | dVAR; dSP; dTARGET; |
4d76a344 | 4256 | # ifdef THREADS_HAVE_PIDS |
e39f92a7 RGS |
4257 | if (PL_ppid != 1 && getppid() == 1) |
4258 | /* maybe the parent process has died. Refresh ppid cache */ | |
4259 | PL_ppid = 1; | |
4d76a344 RGS |
4260 | XPUSHi( PL_ppid ); |
4261 | # else | |
a0d0e21e | 4262 | XPUSHi( getppid() ); |
4d76a344 | 4263 | # endif |
a0d0e21e LW |
4264 | RETURN; |
4265 | #else | |
cea2e8a9 | 4266 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4267 | #endif |
4268 | } | |
4269 | ||
4270 | PP(pp_getpgrp) | |
4271 | { | |
4272 | #ifdef HAS_GETPGRP | |
97aff369 | 4273 | dVAR; dSP; dTARGET; |
9853a804 | 4274 | Pid_t pgrp; |
0bcc34c2 | 4275 | const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs); |
a0d0e21e | 4276 | |
c3293030 | 4277 | #ifdef BSD_GETPGRP |
9853a804 | 4278 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4279 | #else |
146174a9 | 4280 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4281 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4282 | pgrp = getpgrp(); |
a0d0e21e | 4283 | #endif |
9853a804 | 4284 | XPUSHi(pgrp); |
a0d0e21e LW |
4285 | RETURN; |
4286 | #else | |
cea2e8a9 | 4287 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4288 | #endif |
4289 | } | |
4290 | ||
4291 | PP(pp_setpgrp) | |
4292 | { | |
4293 | #ifdef HAS_SETPGRP | |
97aff369 | 4294 | dVAR; dSP; dTARGET; |
d8a83dd3 JH |
4295 | Pid_t pgrp; |
4296 | Pid_t pid; | |
a0d0e21e LW |
4297 | if (MAXARG < 2) { |
4298 | pgrp = 0; | |
4299 | pid = 0; | |
4300 | } | |
4301 | else { | |
4302 | pgrp = POPi; | |
4303 | pid = TOPi; | |
4304 | } | |
4305 | ||
4306 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4307 | #ifdef BSD_SETPGRP |
4308 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4309 | #else |
146174a9 CB |
4310 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4311 | || (pid != 0 && pid != PerlProc_getpid())) | |
4312 | { | |
4313 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4314 | } | |
a0d0e21e LW |
4315 | SETi( setpgrp() >= 0 ); |
4316 | #endif /* USE_BSDPGRP */ | |
4317 | RETURN; | |
4318 | #else | |
cea2e8a9 | 4319 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4320 | #endif |
4321 | } | |
4322 | ||
4323 | PP(pp_getpriority) | |
4324 | { | |
a0d0e21e | 4325 | #ifdef HAS_GETPRIORITY |
97aff369 | 4326 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4327 | const int who = POPi; |
4328 | const int which = TOPi; | |
a0d0e21e LW |
4329 | SETi( getpriority(which, who) ); |
4330 | RETURN; | |
4331 | #else | |
cea2e8a9 | 4332 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4333 | #endif |
4334 | } | |
4335 | ||
4336 | PP(pp_setpriority) | |
4337 | { | |
a0d0e21e | 4338 | #ifdef HAS_SETPRIORITY |
97aff369 | 4339 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4340 | const int niceval = POPi; |
4341 | const int who = POPi; | |
4342 | const int which = TOPi; | |
a0d0e21e LW |
4343 | TAINT_PROPER("setpriority"); |
4344 | SETi( setpriority(which, who, niceval) >= 0 ); | |
4345 | RETURN; | |
4346 | #else | |
cea2e8a9 | 4347 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4348 | #endif |
4349 | } | |
4350 | ||
4351 | /* Time calls. */ | |
4352 | ||
4353 | PP(pp_time) | |
4354 | { | |
97aff369 | 4355 | dVAR; dSP; dTARGET; |
cbdc8872 | 4356 | #ifdef BIG_TIME |
4608196e | 4357 | XPUSHn( time(NULL) ); |
cbdc8872 | 4358 | #else |
4608196e | 4359 | XPUSHi( time(NULL) ); |
cbdc8872 | 4360 | #endif |
a0d0e21e LW |
4361 | RETURN; |
4362 | } | |
4363 | ||
a0d0e21e LW |
4364 | PP(pp_tms) |
4365 | { | |
9cad6237 | 4366 | #ifdef HAS_TIMES |
97aff369 | 4367 | dVAR; |
39644a26 | 4368 | dSP; |
a0d0e21e | 4369 | EXTEND(SP, 4); |
a0d0e21e | 4370 | #ifndef VMS |
3280af22 | 4371 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4372 | #else |
6b88bc9c | 4373 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4374 | /* struct tms, though same data */ |
4375 | /* is returned. */ | |
a0d0e21e LW |
4376 | #endif |
4377 | ||
5311654c | 4378 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick))); |
a0d0e21e | 4379 | if (GIMME == G_ARRAY) { |
5311654c JH |
4380 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick))); |
4381 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick))); | |
4382 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick))); | |
a0d0e21e LW |
4383 | } |
4384 | RETURN; | |
9cad6237 | 4385 | #else |
2f42fcb0 JH |
4386 | # ifdef PERL_MICRO |
4387 | dSP; | |
4388 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4389 | EXTEND(SP, 4); | |
4390 | if (GIMME == G_ARRAY) { | |
4391 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4392 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4393 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4394 | } | |
4395 | RETURN; | |
4396 | # else | |
9cad6237 | 4397 | DIE(aTHX_ "times not implemented"); |
2f42fcb0 | 4398 | # endif |
55497cff | 4399 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4400 | } |
4401 | ||
a4323dee | 4402 | #ifdef LOCALTIME_EDGECASE_BROKEN |
89261a6c | 4403 | static struct tm *S_my_localtime (pTHX_ Time_t *tp) |
a4323dee MB |
4404 | { |
4405 | auto time_t T; | |
4406 | auto struct tm *P; | |
4407 | ||
4408 | /* No workarounds in the valid range */ | |
4409 | if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000) | |
4410 | return (localtime (tp)); | |
4411 | ||
4412 | /* This edge case is to workaround the undefined behaviour, where the | |
4413 | * TIMEZONE makes the time go beyond the defined range. | |
4414 | * gmtime (0x7fffffff) => 2038-01-19 03:14:07 | |
4415 | * If there is a negative offset in TZ, like MET-1METDST, some broken | |
4416 | * implementations of localtime () (like AIX 5.2) barf with bogus | |
4417 | * return values: | |
4418 | * 0x7fffffff gmtime 2038-01-19 03:14:07 | |
4419 | * 0x7fffffff localtime 1901-12-13 21:45:51 | |
4420 | * 0x7fffffff mylocaltime 2038-01-19 04:14:07 | |
4421 | * 0x3c19137f gmtime 2001-12-13 20:45:51 | |
4422 | * 0x3c19137f localtime 2001-12-13 21:45:51 | |
4423 | * 0x3c19137f mylocaltime 2001-12-13 21:45:51 | |
4424 | * Given that legal timezones are typically between GMT-12 and GMT+12 | |
4425 | * we turn back the clock 23 hours before calling the localtime | |
4426 | * function, and add those to the return value. This will never cause | |
3574fba9 | 4427 | * day wrapping problems, since the edge case is Tue Jan *19* |
a4323dee MB |
4428 | */ |
4429 | T = *tp - 82800; /* 23 hour. allows up to GMT-23 */ | |
4430 | P = localtime (&T); | |
4431 | P->tm_hour += 23; | |
4432 | if (P->tm_hour >= 24) { | |
4433 | P->tm_hour -= 24; | |
3574fba9 CW |
4434 | P->tm_mday++; /* 18 -> 19 */ |
4435 | P->tm_wday++; /* Mon -> Tue */ | |
4436 | P->tm_yday++; /* 18 -> 19 */ | |
a4323dee MB |
4437 | } |
4438 | return (P); | |
4439 | } /* S_my_localtime */ | |
4440 | #endif | |
4441 | ||
a0d0e21e LW |
4442 | PP(pp_gmtime) |
4443 | { | |
97aff369 | 4444 | dVAR; |
39644a26 | 4445 | dSP; |
a0d0e21e | 4446 | Time_t when; |
bfed75c6 | 4447 | const struct tm *tmbuf; |
27da23d5 JH |
4448 | static const char * const dayname[] = |
4449 | {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4450 | static const char * const monname[] = | |
4451 | {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4452 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
a0d0e21e LW |
4453 | |
4454 | if (MAXARG < 1) | |
4455 | (void)time(&when); | |
4456 | else | |
cbdc8872 | 4457 | #ifdef BIG_TIME |
4458 | when = (Time_t)SvNVx(POPs); | |
4459 | #else | |
a0d0e21e | 4460 | when = (Time_t)SvIVx(POPs); |
cbdc8872 | 4461 | #endif |
a0d0e21e | 4462 | |
533c011a | 4463 | if (PL_op->op_type == OP_LOCALTIME) |
a4323dee | 4464 | #ifdef LOCALTIME_EDGECASE_BROKEN |
89261a6c | 4465 | tmbuf = S_my_localtime(aTHX_ &when); |
a4323dee | 4466 | #else |
a0d0e21e | 4467 | tmbuf = localtime(&when); |
a4323dee | 4468 | #endif |
a0d0e21e LW |
4469 | else |
4470 | tmbuf = gmtime(&when); | |
4471 | ||
a0d0e21e | 4472 | if (GIMME != G_ARRAY) { |
46fc3d4c | 4473 | SV *tsv; |
9a5ff6d9 AB |
4474 | EXTEND(SP, 1); |
4475 | EXTEND_MORTAL(1); | |
a0d0e21e LW |
4476 | if (!tmbuf) |
4477 | RETPUSHUNDEF; | |
be28567c | 4478 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", |
f5a29b03 RB |
4479 | dayname[tmbuf->tm_wday], |
4480 | monname[tmbuf->tm_mon], | |
be28567c GS |
4481 | tmbuf->tm_mday, |
4482 | tmbuf->tm_hour, | |
4483 | tmbuf->tm_min, | |
4484 | tmbuf->tm_sec, | |
4485 | tmbuf->tm_year + 1900); | |
46fc3d4c | 4486 | PUSHs(sv_2mortal(tsv)); |
a0d0e21e LW |
4487 | } |
4488 | else if (tmbuf) { | |
9a5ff6d9 AB |
4489 | EXTEND(SP, 9); |
4490 | EXTEND_MORTAL(9); | |
4491 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); | |
c6419e06 JH |
4492 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); |
4493 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); | |
4494 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); | |
4495 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); | |
4496 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); | |
4497 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); | |
4498 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); | |
4499 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); | |
a0d0e21e LW |
4500 | } |
4501 | RETURN; | |
4502 | } | |
4503 | ||
4504 | PP(pp_alarm) | |
4505 | { | |
9cad6237 | 4506 | #ifdef HAS_ALARM |
97aff369 | 4507 | dVAR; dSP; dTARGET; |
a0d0e21e | 4508 | int anum; |
a0d0e21e LW |
4509 | anum = POPi; |
4510 | anum = alarm((unsigned int)anum); | |
4511 | EXTEND(SP, 1); | |
4512 | if (anum < 0) | |
4513 | RETPUSHUNDEF; | |
c6419e06 | 4514 | PUSHi(anum); |
a0d0e21e LW |
4515 | RETURN; |
4516 | #else | |
0322a713 | 4517 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4518 | #endif |
4519 | } | |
4520 | ||
4521 | PP(pp_sleep) | |
4522 | { | |
97aff369 | 4523 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
4524 | I32 duration; |
4525 | Time_t lasttime; | |
4526 | Time_t when; | |
4527 | ||
4528 | (void)time(&lasttime); | |
4529 | if (MAXARG < 1) | |
76e3520e | 4530 | PerlProc_pause(); |
a0d0e21e LW |
4531 | else { |
4532 | duration = POPi; | |
76e3520e | 4533 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4534 | } |
4535 | (void)time(&when); | |
4536 | XPUSHi(when - lasttime); | |
4537 | RETURN; | |
4538 | } | |
4539 | ||
4540 | /* Shared memory. */ | |
c9f7ac20 | 4541 | /* Merged with some message passing. */ |
a0d0e21e | 4542 | |
a0d0e21e LW |
4543 | PP(pp_shmwrite) |
4544 | { | |
4545 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4546 | dVAR; dSP; dMARK; dTARGET; |
c9f7ac20 NC |
4547 | const int op_type = PL_op->op_type; |
4548 | I32 value; | |
a0d0e21e | 4549 | |
c9f7ac20 NC |
4550 | switch (op_type) { |
4551 | case OP_MSGSND: | |
4552 | value = (I32)(do_msgsnd(MARK, SP) >= 0); | |
4553 | break; | |
4554 | case OP_MSGRCV: | |
4555 | value = (I32)(do_msgrcv(MARK, SP) >= 0); | |
4556 | break; | |
ca563b4e NC |
4557 | case OP_SEMOP: |
4558 | value = (I32)(do_semop(MARK, SP) >= 0); | |
4559 | break; | |
c9f7ac20 NC |
4560 | default: |
4561 | value = (I32)(do_shmio(op_type, MARK, SP) >= 0); | |
4562 | break; | |
4563 | } | |
a0d0e21e | 4564 | |
a0d0e21e LW |
4565 | SP = MARK; |
4566 | PUSHi(value); | |
4567 | RETURN; | |
4568 | #else | |
cea2e8a9 | 4569 | return pp_semget(); |
a0d0e21e LW |
4570 | #endif |
4571 | } | |
4572 | ||
4573 | /* Semaphores. */ | |
4574 | ||
4575 | PP(pp_semget) | |
4576 | { | |
4577 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4578 | dVAR; dSP; dMARK; dTARGET; |
0bcc34c2 | 4579 | const int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4580 | SP = MARK; |
4581 | if (anum == -1) | |
4582 | RETPUSHUNDEF; | |
4583 | PUSHi(anum); | |
4584 | RETURN; | |
4585 | #else | |
cea2e8a9 | 4586 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4587 | #endif |
4588 | } | |
4589 | ||
4590 | PP(pp_semctl) | |
4591 | { | |
4592 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4593 | dVAR; dSP; dMARK; dTARGET; |
0bcc34c2 | 4594 | const int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4595 | SP = MARK; |
4596 | if (anum == -1) | |
4597 | RETSETUNDEF; | |
4598 | if (anum != 0) { | |
4599 | PUSHi(anum); | |
4600 | } | |
4601 | else { | |
8903cb82 | 4602 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4603 | } |
4604 | RETURN; | |
4605 | #else | |
cea2e8a9 | 4606 | return pp_semget(); |
a0d0e21e LW |
4607 | #endif |
4608 | } | |
4609 | ||
5cdc4e88 NC |
4610 | /* I can't const this further without getting warnings about the types of |
4611 | various arrays passed in from structures. */ | |
4612 | static SV * | |
4613 | S_space_join_names_mortal(pTHX_ char *const *array) | |
4614 | { | |
7c58897d | 4615 | SV *target; |
5cdc4e88 NC |
4616 | |
4617 | if (array && *array) { | |
7c58897d | 4618 | target = sv_2mortal(newSVpvs("")); |
5cdc4e88 NC |
4619 | while (1) { |
4620 | sv_catpv(target, *array); | |
4621 | if (!*++array) | |
4622 | break; | |
4623 | sv_catpvs(target, " "); | |
4624 | } | |
7c58897d NC |
4625 | } else { |
4626 | target = sv_mortalcopy(&PL_sv_no); | |
5cdc4e88 NC |
4627 | } |
4628 | return target; | |
4629 | } | |
4630 | ||
a0d0e21e LW |
4631 | /* Get system info. */ |
4632 | ||
a0d0e21e LW |
4633 | PP(pp_ghostent) |
4634 | { | |
693762b4 | 4635 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
97aff369 | 4636 | dVAR; dSP; |
533c011a | 4637 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4638 | register char **elem; |
4639 | register SV *sv; | |
dc45a647 | 4640 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4641 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4642 | struct hostent *gethostbyname(Netdb_name_t); | |
4643 | struct hostent *gethostent(void); | |
a0d0e21e LW |
4644 | #endif |
4645 | struct hostent *hent; | |
4646 | unsigned long len; | |
4647 | ||
4648 | EXTEND(SP, 10); | |
edd309b7 | 4649 | if (which == OP_GHBYNAME) { |
dc45a647 | 4650 | #ifdef HAS_GETHOSTBYNAME |
0bcc34c2 | 4651 | const char* const name = POPpbytex; |
edd309b7 | 4652 | hent = PerlSock_gethostbyname(name); |
dc45a647 | 4653 | #else |
cea2e8a9 | 4654 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4655 | #endif |
edd309b7 | 4656 | } |
a0d0e21e | 4657 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4658 | #ifdef HAS_GETHOSTBYADDR |
0bcc34c2 AL |
4659 | const int addrtype = POPi; |
4660 | SV * const addrsv = POPs; | |
a0d0e21e | 4661 | STRLEN addrlen; |
48fc4736 | 4662 | const char *addr = (char *)SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4663 | |
48fc4736 | 4664 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4665 | #else |
cea2e8a9 | 4666 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4667 | #endif |
a0d0e21e LW |
4668 | } |
4669 | else | |
4670 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4671 | hent = PerlSock_gethostent(); |
a0d0e21e | 4672 | #else |
cea2e8a9 | 4673 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4674 | #endif |
4675 | ||
4676 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4677 | if (!hent) { |
4678 | #ifdef USE_REENTRANT_API | |
4679 | # ifdef USE_GETHOSTENT_ERRNO | |
4680 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4681 | # endif | |
4682 | #endif | |
37038d91 | 4683 | STATUS_UNIX_SET(h_errno); |
10bc17b6 | 4684 | } |
a0d0e21e LW |
4685 | #endif |
4686 | ||
4687 | if (GIMME != G_ARRAY) { | |
4688 | PUSHs(sv = sv_newmortal()); | |
4689 | if (hent) { | |
4690 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4691 | if (hent->h_addr) |
4692 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4693 | } |
4694 | else | |
4695 | sv_setpv(sv, (char*)hent->h_name); | |
4696 | } | |
4697 | RETURN; | |
4698 | } | |
4699 | ||
4700 | if (hent) { | |
7c58897d | 4701 | PUSHs(sv_2mortal(newSVpv((char*)hent->h_name, 0))); |
931e0695 | 4702 | PUSHs(space_join_names_mortal(hent->h_aliases)); |
7c58897d | 4703 | PUSHs(sv_2mortal(newSViv((IV)hent->h_addrtype))); |
a0d0e21e | 4704 | len = hent->h_length; |
7c58897d | 4705 | PUSHs(sv_2mortal(newSViv((IV)len))); |
a0d0e21e LW |
4706 | #ifdef h_addr |
4707 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
7c58897d | 4708 | XPUSHs(sv_2mortal(newSVpvn(*elem, len))); |
a0d0e21e LW |
4709 | } |
4710 | #else | |
fd0af264 | 4711 | if (hent->h_addr) |
7c58897d NC |
4712 | PUSHs(newSVpvn(hent->h_addr, len)); |
4713 | else | |
4714 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a0d0e21e LW |
4715 | #endif /* h_addr */ |
4716 | } | |
4717 | RETURN; | |
4718 | #else | |
cea2e8a9 | 4719 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4720 | #endif |
4721 | } | |
4722 | ||
a0d0e21e LW |
4723 | PP(pp_gnetent) |
4724 | { | |
693762b4 | 4725 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
97aff369 | 4726 | dVAR; dSP; |
533c011a | 4727 | I32 which = PL_op->op_type; |
a0d0e21e | 4728 | register SV *sv; |
dc45a647 | 4729 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4730 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4731 | struct netent *getnetbyname(Netdb_name_t); | |
4732 | struct netent *getnetent(void); | |
8ac85365 | 4733 | #endif |
a0d0e21e LW |
4734 | struct netent *nent; |
4735 | ||
edd309b7 | 4736 | if (which == OP_GNBYNAME){ |
dc45a647 | 4737 | #ifdef HAS_GETNETBYNAME |
0bcc34c2 | 4738 | const char * const name = POPpbytex; |
edd309b7 | 4739 | nent = PerlSock_getnetbyname(name); |
dc45a647 | 4740 | #else |
cea2e8a9 | 4741 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4742 | #endif |
edd309b7 | 4743 | } |
a0d0e21e | 4744 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4745 | #ifdef HAS_GETNETBYADDR |
0bcc34c2 AL |
4746 | const int addrtype = POPi; |
4747 | const Netdb_net_t addr = (Netdb_net_t) (U32)POPu; | |
76e3520e | 4748 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4749 | #else |
cea2e8a9 | 4750 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4751 | #endif |
a0d0e21e LW |
4752 | } |
4753 | else | |
dc45a647 | 4754 | #ifdef HAS_GETNETENT |
76e3520e | 4755 | nent = PerlSock_getnetent(); |
dc45a647 | 4756 | #else |
cea2e8a9 | 4757 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4758 | #endif |
a0d0e21e | 4759 | |
10bc17b6 JH |
4760 | #ifdef HOST_NOT_FOUND |
4761 | if (!nent) { | |
4762 | #ifdef USE_REENTRANT_API | |
4763 | # ifdef USE_GETNETENT_ERRNO | |
4764 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4765 | # endif | |
4766 | #endif | |
37038d91 | 4767 | STATUS_UNIX_SET(h_errno); |
10bc17b6 JH |
4768 | } |
4769 | #endif | |
4770 | ||
a0d0e21e LW |
4771 | EXTEND(SP, 4); |
4772 | if (GIMME != G_ARRAY) { | |
4773 | PUSHs(sv = sv_newmortal()); | |
4774 | if (nent) { | |
4775 | if (which == OP_GNBYNAME) | |
1e422769 | 4776 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4777 | else |
4778 | sv_setpv(sv, nent->n_name); | |
4779 | } | |
4780 | RETURN; | |
4781 | } | |
4782 | ||
4783 | if (nent) { | |
7c58897d | 4784 | PUSHs(sv_2mortal(newSVpv(nent->n_name, 0))); |
931e0695 | 4785 | PUSHs(space_join_names_mortal(nent->n_aliases)); |
7c58897d NC |
4786 | PUSHs(sv_2mortal(newSViv((IV)nent->n_addrtype))); |
4787 | PUSHs(sv_2mortal(newSViv((IV)nent->n_net))); | |
a0d0e21e LW |
4788 | } |
4789 | ||
4790 | RETURN; | |
4791 | #else | |
cea2e8a9 | 4792 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
a0d0e21e LW |
4793 | #endif |
4794 | } | |
4795 | ||
a0d0e21e LW |
4796 | PP(pp_gprotoent) |
4797 | { | |
693762b4 | 4798 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
97aff369 | 4799 | dVAR; dSP; |
533c011a | 4800 | I32 which = PL_op->op_type; |
301e8125 | 4801 | register SV *sv; |
dc45a647 | 4802 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4803 | struct protoent *getprotobyname(Netdb_name_t); |
4804 | struct protoent *getprotobynumber(int); | |
4805 | struct protoent *getprotoent(void); | |
8ac85365 | 4806 | #endif |
a0d0e21e LW |
4807 | struct protoent *pent; |
4808 | ||
edd309b7 | 4809 | if (which == OP_GPBYNAME) { |
e5c9fcd0 | 4810 | #ifdef HAS_GETPROTOBYNAME |
0bcc34c2 | 4811 | const char* const name = POPpbytex; |
edd309b7 | 4812 | pent = PerlSock_getprotobyname(name); |
e5c9fcd0 | 4813 | #else |
cea2e8a9 | 4814 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4815 | #endif |
edd309b7 JH |
4816 | } |
4817 | else if (which == OP_GPBYNUMBER) { | |
e5c9fcd0 | 4818 | #ifdef HAS_GETPROTOBYNUMBER |
0bcc34c2 | 4819 | const int number = POPi; |
edd309b7 | 4820 | pent = PerlSock_getprotobynumber(number); |
e5c9fcd0 | 4821 | #else |
edd309b7 | 4822 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4823 | #endif |
edd309b7 | 4824 | } |
a0d0e21e | 4825 | else |
e5c9fcd0 | 4826 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4827 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4828 | #else |
cea2e8a9 | 4829 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4830 | #endif |
a0d0e21e LW |
4831 | |
4832 | EXTEND(SP, 3); | |
4833 | if (GIMME != G_ARRAY) { | |
4834 | PUSHs(sv = sv_newmortal()); | |
4835 | if (pent) { | |
4836 | if (which == OP_GPBYNAME) | |
1e422769 | 4837 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4838 | else |
4839 | sv_setpv(sv, pent->p_name); | |
4840 | } | |
4841 | RETURN; | |
4842 | } | |
4843 | ||
4844 | if (pent) { | |
7c58897d | 4845 | PUSHs(sv_2mortal(newSVpv(pent->p_name, 0))); |
931e0695 | 4846 | PUSHs(space_join_names_mortal(pent->p_aliases)); |
7c58897d | 4847 | PUSHs(sv_2mortal(newSViv((IV)pent->p_proto))); |
a0d0e21e LW |
4848 | } |
4849 | ||
4850 | RETURN; | |
4851 | #else | |
cea2e8a9 | 4852 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
a0d0e21e LW |
4853 | #endif |
4854 | } | |
4855 | ||
a0d0e21e LW |
4856 | PP(pp_gservent) |
4857 | { | |
693762b4 | 4858 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
97aff369 | 4859 | dVAR; dSP; |
533c011a | 4860 | I32 which = PL_op->op_type; |
a0d0e21e | 4861 | register SV *sv; |
dc45a647 | 4862 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4863 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
4864 | struct servent *getservbyport(int, Netdb_name_t); | |
4865 | struct servent *getservent(void); | |
8ac85365 | 4866 | #endif |
a0d0e21e LW |
4867 | struct servent *sent; |
4868 | ||
4869 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4870 | #ifdef HAS_GETSERVBYNAME |
0bcc34c2 AL |
4871 | const char * const proto = POPpbytex; |
4872 | const char * const name = POPpbytex; | |
bd61b366 | 4873 | sent = PerlSock_getservbyname(name, (proto && !*proto) ? NULL : proto); |
dc45a647 | 4874 | #else |
cea2e8a9 | 4875 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4876 | #endif |
a0d0e21e LW |
4877 | } |
4878 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4879 | #ifdef HAS_GETSERVBYPORT |
0bcc34c2 | 4880 | const char * const proto = POPpbytex; |
eb160463 | 4881 | unsigned short port = (unsigned short)POPu; |
36477c24 | 4882 | #ifdef HAS_HTONS |
6ad3d225 | 4883 | port = PerlSock_htons(port); |
36477c24 | 4884 | #endif |
bd61b366 | 4885 | sent = PerlSock_getservbyport(port, (proto && !*proto) ? NULL : proto); |
dc45a647 | 4886 | #else |
cea2e8a9 | 4887 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4888 | #endif |
a0d0e21e LW |
4889 | } |
4890 | else | |
e5c9fcd0 | 4891 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4892 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4893 | #else |
cea2e8a9 | 4894 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4895 | #endif |
a0d0e21e LW |
4896 | |
4897 | EXTEND(SP, 4); | |
4898 | if (GIMME != G_ARRAY) { | |
4899 | PUSHs(sv = sv_newmortal()); | |
4900 | if (sent) { | |
4901 | if (which == OP_GSBYNAME) { | |
4902 | #ifdef HAS_NTOHS | |
6ad3d225 | 4903 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4904 | #else |
1e422769 | 4905 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4906 | #endif |
4907 | } | |
4908 | else | |
4909 | sv_setpv(sv, sent->s_name); | |
4910 | } | |
4911 | RETURN; | |
4912 | } | |
4913 | ||
4914 | if (sent) { | |
7c58897d | 4915 | PUSHs(sv_2mortal(newSVpv(sent->s_name, 0))); |
931e0695 | 4916 | PUSHs(space_join_names_mortal(sent->s_aliases)); |
a0d0e21e | 4917 | #ifdef HAS_NTOHS |
7c58897d | 4918 | PUSHs(sv_2mortal(newSViv((IV)PerlSock_ntohs(sent->s_port)))); |
a0d0e21e | 4919 | #else |
7c58897d | 4920 | PUSHs(sv_2mortal(newSViv((IV)(sent->s_port)))); |
a0d0e21e | 4921 | #endif |
7c58897d | 4922 | PUSHs(sv_2mortal(newSVpv(sent->s_proto, 0))); |
a0d0e21e LW |
4923 | } |
4924 | ||
4925 | RETURN; | |
4926 | #else | |
cea2e8a9 | 4927 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
a0d0e21e LW |
4928 | #endif |
4929 | } | |
4930 | ||
4931 | PP(pp_shostent) | |
4932 | { | |
693762b4 | 4933 | #ifdef HAS_SETHOSTENT |
97aff369 | 4934 | dVAR; dSP; |
76e3520e | 4935 | PerlSock_sethostent(TOPi); |
a0d0e21e LW |
4936 | RETSETYES; |
4937 | #else | |
cea2e8a9 | 4938 | DIE(aTHX_ PL_no_sock_func, "sethostent"); |
a0d0e21e LW |
4939 | #endif |
4940 | } | |
4941 | ||
4942 | PP(pp_snetent) | |
4943 | { | |
693762b4 | 4944 | #ifdef HAS_SETNETENT |
97aff369 | 4945 | dVAR; dSP; |
76e3520e | 4946 | PerlSock_setnetent(TOPi); |
a0d0e21e LW |
4947 | RETSETYES; |
4948 | #else | |
cea2e8a9 | 4949 | DIE(aTHX_ PL_no_sock_func, "setnetent"); |
a0d0e21e LW |
4950 | #endif |
4951 | } | |
4952 | ||
4953 | PP(pp_sprotoent) | |
4954 | { | |
693762b4 | 4955 | #ifdef HAS_SETPROTOENT |
97aff369 | 4956 | dVAR; dSP; |
76e3520e | 4957 | PerlSock_setprotoent(TOPi); |
a0d0e21e LW |
4958 | RETSETYES; |
4959 | #else | |
cea2e8a9 | 4960 | DIE(aTHX_ PL_no_sock_func, "setprotoent"); |
a0d0e21e LW |
4961 | #endif |
4962 | } | |
4963 | ||
4964 | PP(pp_sservent) | |
4965 | { | |
693762b4 | 4966 | #ifdef HAS_SETSERVENT |
97aff369 | 4967 | dVAR; dSP; |
76e3520e | 4968 | PerlSock_setservent(TOPi); |
a0d0e21e LW |
4969 | RETSETYES; |
4970 | #else | |
cea2e8a9 | 4971 | DIE(aTHX_ PL_no_sock_func, "setservent"); |
a0d0e21e LW |
4972 | #endif |
4973 | } | |
4974 | ||
4975 | PP(pp_ehostent) | |
4976 | { | |
693762b4 | 4977 | #ifdef HAS_ENDHOSTENT |
97aff369 | 4978 | dVAR; dSP; |
76e3520e | 4979 | PerlSock_endhostent(); |
924508f0 | 4980 | EXTEND(SP,1); |
a0d0e21e LW |
4981 | RETPUSHYES; |
4982 | #else | |
cea2e8a9 | 4983 | DIE(aTHX_ PL_no_sock_func, "endhostent"); |
a0d0e21e LW |
4984 | #endif |
4985 | } | |
4986 | ||
4987 | PP(pp_enetent) | |
4988 | { | |
693762b4 | 4989 | #ifdef HAS_ENDNETENT |
97aff369 | 4990 | dVAR; dSP; |
76e3520e | 4991 | PerlSock_endnetent(); |
924508f0 | 4992 | EXTEND(SP,1); |
a0d0e21e LW |
4993 | RETPUSHYES; |
4994 | #else | |
cea2e8a9 | 4995 | DIE(aTHX_ PL_no_sock_func, "endnetent"); |
a0d0e21e LW |
4996 | #endif |
4997 | } | |
4998 | ||
4999 | PP(pp_eprotoent) | |
5000 | { | |
693762b4 | 5001 | #ifdef HAS_ENDPROTOENT |
97aff369 | 5002 | dVAR; dSP; |
76e3520e | 5003 | PerlSock_endprotoent(); |
924508f0 | 5004 | EXTEND(SP,1); |
a0d0e21e LW |
5005 | RETPUSHYES; |
5006 | #else | |
cea2e8a9 | 5007 | DIE(aTHX_ PL_no_sock_func, "endprotoent"); |
a0d0e21e LW |
5008 | #endif |
5009 | } | |
5010 | ||
5011 | PP(pp_eservent) | |
5012 | { | |
693762b4 | 5013 | #ifdef HAS_ENDSERVENT |
97aff369 | 5014 | dVAR; dSP; |
76e3520e | 5015 | PerlSock_endservent(); |
924508f0 | 5016 | EXTEND(SP,1); |
a0d0e21e LW |
5017 | RETPUSHYES; |
5018 | #else | |
cea2e8a9 | 5019 | DIE(aTHX_ PL_no_sock_func, "endservent"); |
a0d0e21e LW |
5020 | #endif |
5021 | } | |
5022 | ||
a0d0e21e LW |
5023 | PP(pp_gpwent) |
5024 | { | |
0994c4d0 | 5025 | #ifdef HAS_PASSWD |
97aff369 | 5026 | dVAR; dSP; |
533c011a | 5027 | I32 which = PL_op->op_type; |
a0d0e21e | 5028 | register SV *sv; |
e3aefe8d | 5029 | struct passwd *pwent = NULL; |
301e8125 | 5030 | /* |
bcf53261 JH |
5031 | * We currently support only the SysV getsp* shadow password interface. |
5032 | * The interface is declared in <shadow.h> and often one needs to link | |
5033 | * with -lsecurity or some such. | |
5034 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
5035 | * (and SCO?) | |
5036 | * | |
5037 | * AIX getpwnam() is clever enough to return the encrypted password | |
5038 | * only if the caller (euid?) is root. | |
5039 | * | |
e549f1c5 | 5040 | * There are at least three other shadow password APIs. Many platforms |
bcf53261 JH |
5041 | * seem to contain more than one interface for accessing the shadow |
5042 | * password databases, possibly for compatibility reasons. | |
3813c136 | 5043 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
5044 | * are much more complicated, but also very similar to each other. |
5045 | * | |
5046 | * <sys/types.h> | |
5047 | * <sys/security.h> | |
5048 | * <prot.h> | |
5049 | * struct pr_passwd *getprpw*(); | |
5050 | * The password is in | |
3813c136 JH |
5051 | * char getprpw*(...).ufld.fd_encrypt[] |
5052 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
5053 | * |
5054 | * <sys/types.h> | |
5055 | * <sys/security.h> | |
5056 | * <prot.h> | |
5057 | * struct es_passwd *getespw*(); | |
5058 | * The password is in | |
5059 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 5060 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 5061 | * |
e1920a95 | 5062 | * <userpw.h> (AIX) |
e549f1c5 JH |
5063 | * struct userpw *getuserpw(); |
5064 | * The password is in | |
5065 | * char *(getuserpw(...)).spw_upw_passwd | |
5066 | * (but the de facto standard getpwnam() should work okay) | |
5067 | * | |
3813c136 | 5068 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
5069 | * |
5070 | * In HP-UX for getprpw*() the manual page claims that one should include | |
5071 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
5072 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
5073 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
5074 | * |
5075 | * Note that <sys/security.h> is already probed for, but currently | |
5076 | * it is only included in special cases. | |
301e8125 | 5077 | * |
bcf53261 JH |
5078 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
5079 | * be preferred interface, even though also the getprpw*() interface | |
5080 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
5081 | * One also needs to call set_auth_parameters() in main() before |
5082 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
5083 | * | |
5084 | * Note that accessing the shadow databases can be magnitudes | |
5085 | * slower than accessing the standard databases. | |
bcf53261 JH |
5086 | * |
5087 | * --jhi | |
5088 | */ | |
a0d0e21e | 5089 | |
9e5f0c48 JH |
5090 | # if defined(__CYGWIN__) && defined(USE_REENTRANT_API) |
5091 | /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r(): | |
5092 | * the pw_comment is left uninitialized. */ | |
5093 | PL_reentrant_buffer->_pwent_struct.pw_comment = NULL; | |
5094 | # endif | |
5095 | ||
e3aefe8d JH |
5096 | switch (which) { |
5097 | case OP_GPWNAM: | |
edd309b7 | 5098 | { |
0bcc34c2 | 5099 | const char* const name = POPpbytex; |
edd309b7 JH |
5100 | pwent = getpwnam(name); |
5101 | } | |
5102 | break; | |
e3aefe8d | 5103 | case OP_GPWUID: |
edd309b7 JH |
5104 | { |
5105 | Uid_t uid = POPi; | |
5106 | pwent = getpwuid(uid); | |
5107 | } | |
e3aefe8d JH |
5108 | break; |
5109 | case OP_GPWENT: | |
1883634f | 5110 | # ifdef HAS_GETPWENT |
e3aefe8d | 5111 | pwent = getpwent(); |
faea9016 IRC |
5112 | #ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */ |
5113 | if (pwent) pwent = getpwnam(pwent->pw_name); | |
5114 | #endif | |
1883634f | 5115 | # else |
a45d1c96 | 5116 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5117 | # endif |
e3aefe8d JH |
5118 | break; |
5119 | } | |
8c0bfa08 | 5120 | |
a0d0e21e LW |
5121 | EXTEND(SP, 10); |
5122 | if (GIMME != G_ARRAY) { | |
5123 | PUSHs(sv = sv_newmortal()); | |
5124 | if (pwent) { | |
5125 | if (which == OP_GPWNAM) | |
1883634f | 5126 | # if Uid_t_sign <= 0 |
1e422769 | 5127 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5128 | # else |
23dcd6c8 | 5129 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5130 | # endif |
a0d0e21e LW |
5131 | else |
5132 | sv_setpv(sv, pwent->pw_name); | |
5133 | } | |
5134 | RETURN; | |
5135 | } | |
5136 | ||
5137 | if (pwent) { | |
7c58897d | 5138 | PUSHs(sv_2mortal(newSVpv(pwent->pw_name, 0))); |
6ee623d5 | 5139 | |
7c58897d | 5140 | PUSHs(sv = sv_2mortal(newSViv(0))); |
3813c136 JH |
5141 | /* If we have getspnam(), we try to dig up the shadow |
5142 | * password. If we are underprivileged, the shadow | |
5143 | * interface will set the errno to EACCES or similar, | |
5144 | * and return a null pointer. If this happens, we will | |
5145 | * use the dummy password (usually "*" or "x") from the | |
5146 | * standard password database. | |
5147 | * | |
5148 | * In theory we could skip the shadow call completely | |
5149 | * if euid != 0 but in practice we cannot know which | |
5150 | * security measures are guarding the shadow databases | |
5151 | * on a random platform. | |
5152 | * | |
5153 | * Resist the urge to use additional shadow interfaces. | |
5154 | * Divert the urge to writing an extension instead. | |
5155 | * | |
5156 | * --jhi */ | |
e549f1c5 JH |
5157 | /* Some AIX setups falsely(?) detect some getspnam(), which |
5158 | * has a different API than the Solaris/IRIX one. */ | |
5159 | # if defined(HAS_GETSPNAM) && !defined(_AIX) | |
3813c136 | 5160 | { |
0bcc34c2 AL |
5161 | const int saverrno = errno; |
5162 | const struct spwd * const spwent = getspnam(pwent->pw_name); | |
5163 | /* Save and restore errno so that | |
3813c136 JH |
5164 | * underprivileged attempts seem |
5165 | * to have never made the unsccessful | |
5166 | * attempt to retrieve the shadow password. */ | |
3813c136 JH |
5167 | errno = saverrno; |
5168 | if (spwent && spwent->sp_pwdp) | |
5169 | sv_setpv(sv, spwent->sp_pwdp); | |
5170 | } | |
f1066039 | 5171 | # endif |
e020c87d | 5172 | # ifdef PWPASSWD |
3813c136 JH |
5173 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5174 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5175 | # endif |
3813c136 | 5176 | |
1883634f | 5177 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5178 | /* passwd is tainted because user himself can diddle with it. |
5179 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5180 | SvTAINTED_on(sv); |
1883634f | 5181 | # endif |
6ee623d5 | 5182 | |
1883634f | 5183 | # if Uid_t_sign <= 0 |
7c58897d | 5184 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_uid))); |
1883634f | 5185 | # else |
7c58897d | 5186 | PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_uid))); |
1883634f | 5187 | # endif |
6ee623d5 | 5188 | |
1883634f | 5189 | # if Uid_t_sign <= 0 |
7c58897d | 5190 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_gid))); |
1883634f | 5191 | # else |
7c58897d | 5192 | PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_gid))); |
1883634f | 5193 | # endif |
3813c136 JH |
5194 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5195 | * because of the poor interface of the Perl getpw*(), | |
5196 | * not because there's some standard/convention saying so. | |
5197 | * A better interface would have been to return a hash, | |
5198 | * but we are accursed by our history, alas. --jhi. */ | |
1883634f | 5199 | # ifdef PWCHANGE |
7c58897d | 5200 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_change))); |
6ee623d5 | 5201 | # else |
1883634f | 5202 | # ifdef PWQUOTA |
7c58897d | 5203 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_quota))); |
1883634f | 5204 | # else |
a1757be1 | 5205 | # ifdef PWAGE |
7c58897d NC |
5206 | PUSHs(sv_2mortal(newSVpv(pwent->pw_age, 0))); |
5207 | # else | |
5208 | /* I think that you can never get this compiled, but just in case. */ | |
5209 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a1757be1 | 5210 | # endif |
6ee623d5 GS |
5211 | # endif |
5212 | # endif | |
6ee623d5 | 5213 | |
3813c136 JH |
5214 | /* pw_class and pw_comment are mutually exclusive--. |
5215 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
1883634f | 5216 | # ifdef PWCLASS |
7c58897d | 5217 | PUSHs(sv_2mortal(newSVpv(pwent->pw_class, 0))); |
1883634f JH |
5218 | # else |
5219 | # ifdef PWCOMMENT | |
7c58897d NC |
5220 | PUSHs(sv_2mortal(newSVpv(pwent->pw_comment, 0))); |
5221 | # else | |
5222 | /* I think that you can never get this compiled, but just in case. */ | |
5223 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
1883634f | 5224 | # endif |
6ee623d5 | 5225 | # endif |
6ee623d5 | 5226 | |
1883634f | 5227 | # ifdef PWGECOS |
7c58897d NC |
5228 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_gecos, 0))); |
5229 | # else | |
c4c533cb | 5230 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f JH |
5231 | # endif |
5232 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5233 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5234 | SvTAINTED_on(sv); |
1883634f | 5235 | # endif |
6ee623d5 | 5236 | |
7c58897d | 5237 | PUSHs(sv_2mortal(newSVpv(pwent->pw_dir, 0))); |
6ee623d5 | 5238 | |
7c58897d | 5239 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_shell, 0))); |
1883634f | 5240 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5241 | /* pw_shell is tainted because user himself can diddle with it. */ |
5242 | SvTAINTED_on(sv); | |
1883634f | 5243 | # endif |
6ee623d5 | 5244 | |
1883634f | 5245 | # ifdef PWEXPIRE |
7c58897d | 5246 | PUSHs(sv_2mortal(newSViv((IV)pwent->pw_expire))); |
1883634f | 5247 | # endif |
a0d0e21e LW |
5248 | } |
5249 | RETURN; | |
5250 | #else | |
af51a00e | 5251 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5252 | #endif |
5253 | } | |
5254 | ||
5255 | PP(pp_spwent) | |
5256 | { | |
d493b042 | 5257 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) |
97aff369 | 5258 | dVAR; dSP; |
a0d0e21e LW |
5259 | setpwent(); |
5260 | RETPUSHYES; | |
5261 | #else | |
cea2e8a9 | 5262 | DIE(aTHX_ PL_no_func, "setpwent"); |
a0d0e21e LW |
5263 | #endif |
5264 | } | |
5265 | ||
5266 | PP(pp_epwent) | |
5267 | { | |
28e8609d | 5268 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) |
97aff369 | 5269 | dVAR; dSP; |
a0d0e21e LW |
5270 | endpwent(); |
5271 | RETPUSHYES; | |
5272 | #else | |
cea2e8a9 | 5273 | DIE(aTHX_ PL_no_func, "endpwent"); |
a0d0e21e LW |
5274 | #endif |
5275 | } | |
5276 | ||
a0d0e21e LW |
5277 | PP(pp_ggrent) |
5278 | { | |
0994c4d0 | 5279 | #ifdef HAS_GROUP |
97aff369 | 5280 | dVAR; dSP; |
6136c704 AL |
5281 | const I32 which = PL_op->op_type; |
5282 | const struct group *grent; | |
a0d0e21e | 5283 | |
edd309b7 | 5284 | if (which == OP_GGRNAM) { |
0bcc34c2 | 5285 | const char* const name = POPpbytex; |
6136c704 | 5286 | grent = (const struct group *)getgrnam(name); |
edd309b7 JH |
5287 | } |
5288 | else if (which == OP_GGRGID) { | |
0bcc34c2 | 5289 | const Gid_t gid = POPi; |
6136c704 | 5290 | grent = (const struct group *)getgrgid(gid); |
edd309b7 | 5291 | } |
a0d0e21e | 5292 | else |
0994c4d0 | 5293 | #ifdef HAS_GETGRENT |
a0d0e21e | 5294 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5295 | #else |
5296 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5297 | #endif | |
a0d0e21e LW |
5298 | |
5299 | EXTEND(SP, 4); | |
5300 | if (GIMME != G_ARRAY) { | |
6136c704 AL |
5301 | SV * const sv = sv_newmortal(); |
5302 | ||
5303 | PUSHs(sv); | |
a0d0e21e LW |
5304 | if (grent) { |
5305 | if (which == OP_GGRNAM) | |
1e422769 | 5306 | sv_setiv(sv, (IV)grent->gr_gid); |
a0d0e21e LW |
5307 | else |
5308 | sv_setpv(sv, grent->gr_name); | |
5309 | } | |
5310 | RETURN; | |
5311 | } | |
5312 | ||
5313 | if (grent) { | |
7c58897d | 5314 | PUSHs(sv_2mortal(newSVpv(grent->gr_name, 0))); |
28e8609d | 5315 | |
28e8609d | 5316 | #ifdef GRPASSWD |
7c58897d NC |
5317 | PUSHs(sv_2mortal(newSVpv(grent->gr_passwd, 0))); |
5318 | #else | |
5319 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
28e8609d JH |
5320 | #endif |
5321 | ||
7c58897d | 5322 | PUSHs(sv_2mortal(newSViv((IV)grent->gr_gid))); |
28e8609d | 5323 | |
5b56e7c5 | 5324 | #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) |
3d7e8424 JH |
5325 | /* In UNICOS/mk (_CRAYMPP) the multithreading |
5326 | * versions (getgrnam_r, getgrgid_r) | |
5327 | * seem to return an illegal pointer | |
5328 | * as the group members list, gr_mem. | |
5329 | * getgrent() doesn't even have a _r version | |
5330 | * but the gr_mem is poisonous anyway. | |
5331 | * So yes, you cannot get the list of group | |
5332 | * members if building multithreaded in UNICOS/mk. */ | |
931e0695 | 5333 | PUSHs(space_join_names_mortal(grent->gr_mem)); |
3d7e8424 | 5334 | #endif |
a0d0e21e LW |
5335 | } |
5336 | ||
5337 | RETURN; | |
5338 | #else | |
af51a00e | 5339 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5340 | #endif |
5341 | } | |
5342 | ||
5343 | PP(pp_sgrent) | |
5344 | { | |
28e8609d | 5345 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) |
97aff369 | 5346 | dVAR; dSP; |
a0d0e21e LW |
5347 | setgrent(); |
5348 | RETPUSHYES; | |
5349 | #else | |
cea2e8a9 | 5350 | DIE(aTHX_ PL_no_func, "setgrent"); |
a0d0e21e LW |
5351 | #endif |
5352 | } | |
5353 | ||
5354 | PP(pp_egrent) | |
5355 | { | |
28e8609d | 5356 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) |
97aff369 | 5357 | dVAR; dSP; |
a0d0e21e LW |
5358 | endgrent(); |
5359 | RETPUSHYES; | |
5360 | #else | |
cea2e8a9 | 5361 | DIE(aTHX_ PL_no_func, "endgrent"); |
a0d0e21e LW |
5362 | #endif |
5363 | } | |
5364 | ||
5365 | PP(pp_getlogin) | |
5366 | { | |
a0d0e21e | 5367 | #ifdef HAS_GETLOGIN |
97aff369 | 5368 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
5369 | char *tmps; |
5370 | EXTEND(SP, 1); | |
76e3520e | 5371 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e LW |
5372 | RETPUSHUNDEF; |
5373 | PUSHp(tmps, strlen(tmps)); | |
5374 | RETURN; | |
5375 | #else | |
cea2e8a9 | 5376 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5377 | #endif |
5378 | } | |
5379 | ||
5380 | /* Miscellaneous. */ | |
5381 | ||
5382 | PP(pp_syscall) | |
5383 | { | |
d2719217 | 5384 | #ifdef HAS_SYSCALL |
97aff369 | 5385 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5386 | register I32 items = SP - MARK; |
5387 | unsigned long a[20]; | |
5388 | register I32 i = 0; | |
5389 | I32 retval = -1; | |
5390 | ||
3280af22 | 5391 | if (PL_tainting) { |
a0d0e21e | 5392 | while (++MARK <= SP) { |
bbce6d69 | 5393 | if (SvTAINTED(*MARK)) { |
5394 | TAINT; | |
5395 | break; | |
5396 | } | |
a0d0e21e LW |
5397 | } |
5398 | MARK = ORIGMARK; | |
5399 | TAINT_PROPER("syscall"); | |
5400 | } | |
5401 | ||
5402 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5403 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5404 | * not likely have syscall implemented either, so who cares? | |
5405 | */ | |
5406 | while (++MARK <= SP) { | |
5407 | if (SvNIOK(*MARK) || !i) | |
5408 | a[i++] = SvIV(*MARK); | |
3280af22 | 5409 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5410 | a[i++] = 0; |
301e8125 | 5411 | else |
8b6b16e7 | 5412 | a[i++] = (unsigned long)SvPV_force_nolen(*MARK); |
a0d0e21e LW |
5413 | if (i > 15) |
5414 | break; | |
5415 | } | |
5416 | switch (items) { | |
5417 | default: | |
cea2e8a9 | 5418 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5419 | case 0: |
cea2e8a9 | 5420 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5421 | case 1: |
5422 | retval = syscall(a[0]); | |
5423 | break; | |
5424 | case 2: | |
5425 | retval = syscall(a[0],a[1]); | |
5426 | break; | |
5427 | case 3: | |
5428 | retval = syscall(a[0],a[1],a[2]); | |
5429 | break; | |
5430 | case 4: | |
5431 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5432 | break; | |
5433 | case 5: | |
5434 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5435 | break; | |
5436 | case 6: | |
5437 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5438 | break; | |
5439 | case 7: | |
5440 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5441 | break; | |
5442 | case 8: | |
5443 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5444 | break; | |
5445 | #ifdef atarist | |
5446 | case 9: | |
5447 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5448 | break; | |
5449 | case 10: | |
5450 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5451 | break; | |
5452 | case 11: | |
5453 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5454 | a[10]); | |
5455 | break; | |
5456 | case 12: | |
5457 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5458 | a[10],a[11]); | |
5459 | break; | |
5460 | case 13: | |
5461 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5462 | a[10],a[11],a[12]); | |
5463 | break; | |
5464 | case 14: | |
5465 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5466 | a[10],a[11],a[12],a[13]); | |
5467 | break; | |
5468 | #endif /* atarist */ | |
5469 | } | |
5470 | SP = ORIGMARK; | |
5471 | PUSHi(retval); | |
5472 | RETURN; | |
5473 | #else | |
cea2e8a9 | 5474 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5475 | #endif |
5476 | } | |
5477 | ||
ff68c719 | 5478 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5479 | |
ff68c719 | 5480 | /* XXX Emulate flock() with fcntl(). |
5481 | What's really needed is a good file locking module. | |
5482 | */ | |
5483 | ||
cea2e8a9 GS |
5484 | static int |
5485 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5486 | { |
5487 | struct flock flock; | |
301e8125 | 5488 | |
ff68c719 | 5489 | switch (operation & ~LOCK_NB) { |
5490 | case LOCK_SH: | |
5491 | flock.l_type = F_RDLCK; | |
5492 | break; | |
5493 | case LOCK_EX: | |
5494 | flock.l_type = F_WRLCK; | |
5495 | break; | |
5496 | case LOCK_UN: | |
5497 | flock.l_type = F_UNLCK; | |
5498 | break; | |
5499 | default: | |
5500 | errno = EINVAL; | |
5501 | return -1; | |
5502 | } | |
5503 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5504 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5505 | |
ff68c719 | 5506 | return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5507 | } | |
5508 | ||
5509 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5510 | ||
5511 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5512 | |
5513 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5514 | portability of scripts. The calls are not completely | |
5515 | interchangeable. What's really needed is a good file | |
5516 | locking module. | |
5517 | */ | |
5518 | ||
76c32331 | 5519 | /* The lockf() constants might have been defined in <unistd.h>. |
5520 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5521 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5522 | |
5523 | Further, the lockf() constants aren't POSIX, so they might not be | |
5524 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5525 | just stick in the SVID values and be done with it. Sigh. | |
5526 | */ | |
5527 | ||
5528 | # ifndef F_ULOCK | |
5529 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5530 | # endif | |
5531 | # ifndef F_LOCK | |
5532 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5533 | # endif | |
5534 | # ifndef F_TLOCK | |
5535 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5536 | # endif | |
5537 | # ifndef F_TEST | |
5538 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5539 | # endif | |
5540 | ||
cea2e8a9 GS |
5541 | static int |
5542 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5543 | { |
5544 | int i; | |
0bcc34c2 | 5545 | const int save_errno = errno; |
84902520 TB |
5546 | Off_t pos; |
5547 | ||
5548 | /* flock locks entire file so for lockf we need to do the same */ | |
6ad3d225 | 5549 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5550 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5551 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5552 | pos = -1; /* seek failed, so don't seek back afterwards */ |
84902520 TB |
5553 | errno = save_errno; |
5554 | ||
16d20bd9 AD |
5555 | switch (operation) { |
5556 | ||
5557 | /* LOCK_SH - get a shared lock */ | |
5558 | case LOCK_SH: | |
5559 | /* LOCK_EX - get an exclusive lock */ | |
5560 | case LOCK_EX: | |
5561 | i = lockf (fd, F_LOCK, 0); | |
5562 | break; | |
5563 | ||
5564 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5565 | case LOCK_SH|LOCK_NB: | |
5566 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5567 | case LOCK_EX|LOCK_NB: | |
5568 | i = lockf (fd, F_TLOCK, 0); | |
5569 | if (i == -1) | |
5570 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5571 | errno = EWOULDBLOCK; | |
5572 | break; | |
5573 | ||
ff68c719 | 5574 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5575 | case LOCK_UN: |
ff68c719 | 5576 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5577 | i = lockf (fd, F_ULOCK, 0); |
5578 | break; | |
5579 | ||
5580 | /* Default - can't decipher operation */ | |
5581 | default: | |
5582 | i = -1; | |
5583 | errno = EINVAL; | |
5584 | break; | |
5585 | } | |
84902520 TB |
5586 | |
5587 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5588 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5589 | |
16d20bd9 AD |
5590 | return (i); |
5591 | } | |
ff68c719 | 5592 | |
5593 | #endif /* LOCKF_EMULATE_FLOCK */ | |
241d1a3b NC |
5594 | |
5595 | /* | |
5596 | * Local variables: | |
5597 | * c-indentation-style: bsd | |
5598 | * c-basic-offset: 4 | |
5599 | * indent-tabs-mode: t | |
5600 | * End: | |
5601 | * | |
37442d52 RGS |
5602 | * ex: set ts=8 sts=4 sw=4 noet: |
5603 | */ |