Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_sys.c |
2 | * | |
be3c0a43 | 3 | * Copyright (c) 1991-2002, Larry Wall |
a0d0e21e LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
8 | */ | |
9 | ||
10 | /* | |
11 | * But only a short way ahead its floor and the walls on either side were | |
12 | * cloven by a great fissure, out of which the red glare came, now leaping | |
13 | * up, now dying down into darkness; and all the while far below there was | |
14 | * a rumour and a trouble as of great engines throbbing and labouring. | |
15 | */ | |
16 | ||
17 | #include "EXTERN.h" | |
864dbfa3 | 18 | #define PERL_IN_PP_SYS_C |
a0d0e21e LW |
19 | #include "perl.h" |
20 | ||
f1066039 JH |
21 | #ifdef I_SHADOW |
22 | /* Shadow password support for solaris - pdo@cs.umd.edu | |
23 | * Not just Solaris: at least HP-UX, IRIX, Linux. | |
3813c136 JH |
24 | * The API is from SysV. |
25 | * | |
26 | * There are at least two more shadow interfaces, | |
27 | * see the comments in pp_gpwent(). | |
28 | * | |
29 | * --jhi */ | |
30 | # ifdef __hpux__ | |
c529f79d | 31 | /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h> |
301e8125 | 32 | * and another MAXINT from "perl.h" <- <sys/param.h>. */ |
3813c136 JH |
33 | # undef MAXINT |
34 | # endif | |
35 | # include <shadow.h> | |
8c0bfa08 PB |
36 | #endif |
37 | ||
301e8125 NIS |
38 | #ifdef HAS_SYSCALL |
39 | #ifdef __cplusplus | |
8ac85365 NIS |
40 | extern "C" int syscall(unsigned long,...); |
41 | #endif | |
42 | #endif | |
43 | ||
76c32331 | 44 | #ifdef I_SYS_WAIT |
45 | # include <sys/wait.h> | |
46 | #endif | |
47 | ||
48 | #ifdef I_SYS_RESOURCE | |
49 | # include <sys/resource.h> | |
16d20bd9 | 50 | #endif |
a0d0e21e | 51 | |
2986a63f JH |
52 | #ifdef NETWARE |
53 | NETDB_DEFINE_CONTEXT | |
54 | #endif | |
55 | ||
a0d0e21e | 56 | #ifdef HAS_SELECT |
1e743fda JH |
57 | # ifdef I_SYS_SELECT |
58 | # include <sys/select.h> | |
59 | # endif | |
a0d0e21e | 60 | #endif |
a0d0e21e | 61 | |
dc45a647 MB |
62 | /* XXX Configure test needed. |
63 | h_errno might not be a simple 'int', especially for multi-threaded | |
5ff3f7a4 GS |
64 | applications, see "extern int errno in perl.h". Creating such |
65 | a test requires taking into account the differences between | |
66 | compiling multithreaded and singlethreaded ($ccflags et al). | |
67 | HOST_NOT_FOUND is typically defined in <netdb.h>. | |
dc45a647 | 68 | */ |
cb50131a | 69 | #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__) |
a0d0e21e LW |
70 | extern int h_errno; |
71 | #endif | |
72 | ||
73 | #ifdef HAS_PASSWD | |
74 | # ifdef I_PWD | |
75 | # include <pwd.h> | |
76 | # else | |
fd8cd3a3 | 77 | # if !defined(VMS) |
20ce7b12 GS |
78 | struct passwd *getpwnam (char *); |
79 | struct passwd *getpwuid (Uid_t); | |
fd8cd3a3 | 80 | # endif |
a0d0e21e | 81 | # endif |
28e8609d | 82 | # ifdef HAS_GETPWENT |
10bc17b6 | 83 | #ifndef getpwent |
20ce7b12 | 84 | struct passwd *getpwent (void); |
10bc17b6 | 85 | #endif |
28e8609d | 86 | # endif |
a0d0e21e LW |
87 | #endif |
88 | ||
89 | #ifdef HAS_GROUP | |
90 | # ifdef I_GRP | |
91 | # include <grp.h> | |
92 | # else | |
20ce7b12 GS |
93 | struct group *getgrnam (char *); |
94 | struct group *getgrgid (Gid_t); | |
a0d0e21e | 95 | # endif |
28e8609d | 96 | # ifdef HAS_GETGRENT |
10bc17b6 | 97 | #ifndef getgrent |
20ce7b12 | 98 | struct group *getgrent (void); |
10bc17b6 | 99 | #endif |
28e8609d | 100 | # endif |
a0d0e21e LW |
101 | #endif |
102 | ||
103 | #ifdef I_UTIME | |
3730b96e | 104 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 105 | # include <sys/utime.h> |
106 | # else | |
107 | # include <utime.h> | |
108 | # endif | |
a0d0e21e | 109 | #endif |
a0d0e21e | 110 | |
cbdc8872 | 111 | #ifdef HAS_CHSIZE |
cd52b7b2 | 112 | # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ |
113 | # undef my_chsize | |
114 | # endif | |
6ad3d225 | 115 | # define my_chsize PerlLIO_chsize |
cbdc8872 | 116 | #endif |
117 | ||
ff68c719 | 118 | #ifdef HAS_FLOCK |
119 | # define FLOCK flock | |
120 | #else /* no flock() */ | |
121 | ||
36477c24 | 122 | /* fcntl.h might not have been included, even if it exists, because |
123 | the current Configure only sets I_FCNTL if it's needed to pick up | |
124 | the *_OK constants. Make sure it has been included before testing | |
125 | the fcntl() locking constants. */ | |
126 | # if defined(HAS_FCNTL) && !defined(I_FCNTL) | |
127 | # include <fcntl.h> | |
128 | # endif | |
129 | ||
9d9004a9 | 130 | # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK) |
ff68c719 | 131 | # define FLOCK fcntl_emulate_flock |
132 | # define FCNTL_EMULATE_FLOCK | |
133 | # else /* no flock() or fcntl(F_SETLK,...) */ | |
134 | # ifdef HAS_LOCKF | |
135 | # define FLOCK lockf_emulate_flock | |
136 | # define LOCKF_EMULATE_FLOCK | |
137 | # endif /* lockf */ | |
138 | # endif /* no flock() or fcntl(F_SETLK,...) */ | |
139 | ||
140 | # ifdef FLOCK | |
20ce7b12 | 141 | static int FLOCK (int, int); |
ff68c719 | 142 | |
143 | /* | |
144 | * These are the flock() constants. Since this sytems doesn't have | |
145 | * flock(), the values of the constants are probably not available. | |
146 | */ | |
147 | # ifndef LOCK_SH | |
148 | # define LOCK_SH 1 | |
149 | # endif | |
150 | # ifndef LOCK_EX | |
151 | # define LOCK_EX 2 | |
152 | # endif | |
153 | # ifndef LOCK_NB | |
154 | # define LOCK_NB 4 | |
155 | # endif | |
156 | # ifndef LOCK_UN | |
157 | # define LOCK_UN 8 | |
158 | # endif | |
159 | # endif /* emulating flock() */ | |
160 | ||
161 | #endif /* no flock() */ | |
55497cff | 162 | |
85ab1d1d JH |
163 | #define ZBTLEN 10 |
164 | static char zero_but_true[ZBTLEN + 1] = "0 but true"; | |
165 | ||
5ff3f7a4 GS |
166 | #if defined(I_SYS_ACCESS) && !defined(R_OK) |
167 | # include <sys/access.h> | |
168 | #endif | |
169 | ||
c529f79d CB |
170 | #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC) |
171 | # define FD_CLOEXEC 1 /* NeXT needs this */ | |
172 | #endif | |
173 | ||
5ff3f7a4 GS |
174 | #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */ |
175 | #undef PERL_EFF_ACCESS_W_OK | |
176 | #undef PERL_EFF_ACCESS_X_OK | |
177 | ||
178 | /* F_OK unused: if stat() cannot find it... */ | |
179 | ||
180 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) | |
c955f117 | 181 | /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */ |
5ff3f7a4 GS |
182 | # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK)) |
183 | # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK)) | |
184 | # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK)) | |
185 | #endif | |
186 | ||
187 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS) | |
3813c136 | 188 | # ifdef I_SYS_SECURITY |
5ff3f7a4 GS |
189 | # include <sys/security.h> |
190 | # endif | |
c955f117 JH |
191 | # ifdef ACC_SELF |
192 | /* HP SecureWare */ | |
193 | # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF)) | |
194 | # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF)) | |
195 | # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF)) | |
196 | # else | |
197 | /* SCO */ | |
198 | # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK)) | |
199 | # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK)) | |
200 | # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK)) | |
201 | # endif | |
5ff3f7a4 GS |
202 | #endif |
203 | ||
204 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF) | |
c955f117 | 205 | /* AIX */ |
5ff3f7a4 GS |
206 | # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF)) |
207 | # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF)) | |
208 | # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF)) | |
209 | #endif | |
210 | ||
327c3667 GS |
211 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \ |
212 | && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \ | |
213 | || defined(HAS_SETREGID) || defined(HAS_SETRESGID)) | |
5ff3f7a4 | 214 | /* The Hard Way. */ |
327c3667 | 215 | STATIC int |
7f4774ae | 216 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 217 | { |
5ff3f7a4 GS |
218 | Uid_t ruid = getuid(); |
219 | Uid_t euid = geteuid(); | |
220 | Gid_t rgid = getgid(); | |
221 | Gid_t egid = getegid(); | |
222 | int res; | |
223 | ||
146174a9 | 224 | LOCK_CRED_MUTEX; |
5ff3f7a4 | 225 | #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) |
cea2e8a9 | 226 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
227 | #else |
228 | #ifdef HAS_SETREUID | |
229 | if (setreuid(euid, ruid)) | |
230 | #else | |
231 | #ifdef HAS_SETRESUID | |
232 | if (setresuid(euid, ruid, (Uid_t)-1)) | |
233 | #endif | |
234 | #endif | |
cea2e8a9 | 235 | Perl_croak(aTHX_ "entering effective uid failed"); |
5ff3f7a4 GS |
236 | #endif |
237 | ||
238 | #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID) | |
cea2e8a9 | 239 | Perl_croak(aTHX_ "switching effective gid is not implemented"); |
5ff3f7a4 GS |
240 | #else |
241 | #ifdef HAS_SETREGID | |
242 | if (setregid(egid, rgid)) | |
243 | #else | |
244 | #ifdef HAS_SETRESGID | |
245 | if (setresgid(egid, rgid, (Gid_t)-1)) | |
246 | #endif | |
247 | #endif | |
cea2e8a9 | 248 | Perl_croak(aTHX_ "entering effective gid failed"); |
5ff3f7a4 GS |
249 | #endif |
250 | ||
251 | res = access(path, mode); | |
252 | ||
253 | #ifdef HAS_SETREUID | |
254 | if (setreuid(ruid, euid)) | |
255 | #else | |
256 | #ifdef HAS_SETRESUID | |
257 | if (setresuid(ruid, euid, (Uid_t)-1)) | |
258 | #endif | |
259 | #endif | |
cea2e8a9 | 260 | Perl_croak(aTHX_ "leaving effective uid failed"); |
5ff3f7a4 GS |
261 | |
262 | #ifdef HAS_SETREGID | |
263 | if (setregid(rgid, egid)) | |
264 | #else | |
265 | #ifdef HAS_SETRESGID | |
266 | if (setresgid(rgid, egid, (Gid_t)-1)) | |
267 | #endif | |
268 | #endif | |
cea2e8a9 | 269 | Perl_croak(aTHX_ "leaving effective gid failed"); |
146174a9 | 270 | UNLOCK_CRED_MUTEX; |
5ff3f7a4 GS |
271 | |
272 | return res; | |
273 | } | |
274 | # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK)) | |
275 | # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK)) | |
276 | # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK)) | |
277 | #endif | |
278 | ||
279 | #if !defined(PERL_EFF_ACCESS_R_OK) | |
76ffd3b9 IZ |
280 | /* With it or without it: anyway you get a warning: either that |
281 | it is unused, or it is declared static and never defined. | |
282 | */ | |
327c3667 | 283 | STATIC int |
7f4774ae | 284 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 285 | { |
cea2e8a9 | 286 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
287 | /*NOTREACHED*/ |
288 | return -1; | |
289 | } | |
290 | #endif | |
291 | ||
a0d0e21e LW |
292 | PP(pp_backtick) |
293 | { | |
39644a26 | 294 | dSP; dTARGET; |
760ac839 | 295 | PerlIO *fp; |
2d8e6c8d GS |
296 | STRLEN n_a; |
297 | char *tmps = POPpx; | |
54310121 | 298 | I32 gimme = GIMME_V; |
16fe6d59 | 299 | char *mode = "r"; |
54310121 | 300 | |
a0d0e21e | 301 | TAINT_PROPER("``"); |
16fe6d59 GS |
302 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
303 | mode = "rb"; | |
304 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
305 | mode = "rt"; | |
306 | fp = PerlProc_popen(tmps, mode); | |
a0d0e21e | 307 | if (fp) { |
ac27b0f5 NIS |
308 | char *type = NULL; |
309 | if (PL_curcop->cop_io) { | |
310 | type = SvPV_nolen(PL_curcop->cop_io); | |
311 | } | |
ac27b0f5 NIS |
312 | if (type && *type) |
313 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
314 | ||
54310121 | 315 | if (gimme == G_VOID) { |
96827780 MB |
316 | char tmpbuf[256]; |
317 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
54310121 | 318 | /*SUPPRESS 530*/ |
319 | ; | |
320 | } | |
321 | else if (gimme == G_SCALAR) { | |
aa689395 | 322 | sv_setpv(TARG, ""); /* note that this preserves previous buffer */ |
a0d0e21e LW |
323 | while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch) |
324 | /*SUPPRESS 530*/ | |
325 | ; | |
326 | XPUSHs(TARG); | |
aa689395 | 327 | SvTAINTED_on(TARG); |
a0d0e21e LW |
328 | } |
329 | else { | |
330 | SV *sv; | |
331 | ||
332 | for (;;) { | |
8d6dde3e | 333 | sv = NEWSV(56, 79); |
a0d0e21e LW |
334 | if (sv_gets(sv, fp, 0) == Nullch) { |
335 | SvREFCNT_dec(sv); | |
336 | break; | |
337 | } | |
338 | XPUSHs(sv_2mortal(sv)); | |
339 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
340 | SvLEN_set(sv, SvCUR(sv)+1); | |
341 | Renew(SvPVX(sv), SvLEN(sv), char); | |
342 | } | |
aa689395 | 343 | SvTAINTED_on(sv); |
a0d0e21e LW |
344 | } |
345 | } | |
6ad3d225 | 346 | STATUS_NATIVE_SET(PerlProc_pclose(fp)); |
aa689395 | 347 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
348 | } |
349 | else { | |
f86702cc | 350 | STATUS_NATIVE_SET(-1); |
54310121 | 351 | if (gimme == G_SCALAR) |
a0d0e21e LW |
352 | RETPUSHUNDEF; |
353 | } | |
354 | ||
355 | RETURN; | |
356 | } | |
357 | ||
358 | PP(pp_glob) | |
359 | { | |
360 | OP *result; | |
f5284f61 IZ |
361 | tryAMAGICunTARGET(iter, -1); |
362 | ||
71686f12 GS |
363 | /* Note that we only ever get here if File::Glob fails to load |
364 | * without at the same time croaking, for some reason, or if | |
365 | * perl was built with PERL_EXTERNAL_GLOB */ | |
366 | ||
a0d0e21e | 367 | ENTER; |
a0d0e21e | 368 | |
c90c0ff4 | 369 | #ifndef VMS |
3280af22 | 370 | if (PL_tainting) { |
7bac28a0 | 371 | /* |
372 | * The external globbing program may use things we can't control, | |
373 | * so for security reasons we must assume the worst. | |
374 | */ | |
375 | TAINT; | |
22c35a8c | 376 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 377 | } |
c90c0ff4 | 378 | #endif /* !VMS */ |
7bac28a0 | 379 | |
3280af22 NIS |
380 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
381 | PL_last_in_gv = (GV*)*PL_stack_sp--; | |
a0d0e21e | 382 | |
3280af22 | 383 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
79cb57f6 | 384 | PL_rs = sv_2mortal(newSVpvn("\000", 1)); |
c07a80fd | 385 | #ifndef DOSISH |
386 | #ifndef CSH | |
6b88bc9c | 387 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 388 | #endif /* !CSH */ |
55497cff | 389 | #endif /* !DOSISH */ |
c07a80fd | 390 | |
a0d0e21e LW |
391 | result = do_readline(); |
392 | LEAVE; | |
393 | return result; | |
394 | } | |
395 | ||
a0d0e21e LW |
396 | PP(pp_rcatline) |
397 | { | |
146174a9 | 398 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
399 | return do_readline(); |
400 | } | |
401 | ||
402 | PP(pp_warn) | |
403 | { | |
39644a26 | 404 | dSP; dMARK; |
06bf62c7 | 405 | SV *tmpsv; |
a0d0e21e | 406 | char *tmps; |
06bf62c7 | 407 | STRLEN len; |
a0d0e21e LW |
408 | if (SP - MARK != 1) { |
409 | dTARGET; | |
3280af22 | 410 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 411 | tmpsv = TARG; |
a0d0e21e LW |
412 | SP = MARK + 1; |
413 | } | |
414 | else { | |
06bf62c7 | 415 | tmpsv = TOPs; |
a0d0e21e | 416 | } |
06bf62c7 GS |
417 | tmps = SvPV(tmpsv, len); |
418 | if (!tmps || !len) { | |
4e6ea2c3 GS |
419 | SV *error = ERRSV; |
420 | (void)SvUPGRADE(error, SVt_PV); | |
421 | if (SvPOK(error) && SvCUR(error)) | |
422 | sv_catpv(error, "\t...caught"); | |
06bf62c7 GS |
423 | tmpsv = error; |
424 | tmps = SvPV(tmpsv, len); | |
a0d0e21e | 425 | } |
06bf62c7 GS |
426 | if (!tmps || !len) |
427 | tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26)); | |
428 | ||
cb50131a | 429 | Perl_warn(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
430 | RETSETYES; |
431 | } | |
432 | ||
433 | PP(pp_die) | |
434 | { | |
39644a26 | 435 | dSP; dMARK; |
a0d0e21e | 436 | char *tmps; |
06bf62c7 GS |
437 | SV *tmpsv; |
438 | STRLEN len; | |
439 | bool multiarg = 0; | |
96e176bf CL |
440 | #ifdef VMS |
441 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); | |
442 | #endif | |
a0d0e21e LW |
443 | if (SP - MARK != 1) { |
444 | dTARGET; | |
3280af22 | 445 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 GS |
446 | tmpsv = TARG; |
447 | tmps = SvPV(tmpsv, len); | |
448 | multiarg = 1; | |
a0d0e21e LW |
449 | SP = MARK + 1; |
450 | } | |
451 | else { | |
4e6ea2c3 | 452 | tmpsv = TOPs; |
bf484eac | 453 | tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len); |
a0d0e21e | 454 | } |
06bf62c7 | 455 | if (!tmps || !len) { |
4e6ea2c3 GS |
456 | SV *error = ERRSV; |
457 | (void)SvUPGRADE(error, SVt_PV); | |
06bf62c7 GS |
458 | if (multiarg ? SvROK(error) : SvROK(tmpsv)) { |
459 | if (!multiarg) | |
4e6ea2c3 | 460 | SvSetSV(error,tmpsv); |
06bf62c7 | 461 | else if (sv_isobject(error)) { |
05423cc9 GS |
462 | HV *stash = SvSTASH(SvRV(error)); |
463 | GV *gv = gv_fetchmethod(stash, "PROPAGATE"); | |
464 | if (gv) { | |
146174a9 | 465 | SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); |
b448e4fe | 466 | SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); |
05423cc9 GS |
467 | EXTEND(SP, 3); |
468 | PUSHMARK(SP); | |
469 | PUSHs(error); | |
470 | PUSHs(file); | |
471 | PUSHs(line); | |
472 | PUTBACK; | |
864dbfa3 GS |
473 | call_sv((SV*)GvCV(gv), |
474 | G_SCALAR|G_EVAL|G_KEEPERR); | |
3280af22 | 475 | sv_setsv(error,*PL_stack_sp--); |
05423cc9 GS |
476 | } |
477 | } | |
b3fe4827 | 478 | DIE(aTHX_ Nullformat); |
4e6ea2c3 GS |
479 | } |
480 | else { | |
481 | if (SvPOK(error) && SvCUR(error)) | |
482 | sv_catpv(error, "\t...propagated"); | |
06bf62c7 GS |
483 | tmpsv = error; |
484 | tmps = SvPV(tmpsv, len); | |
4e6ea2c3 | 485 | } |
a0d0e21e | 486 | } |
06bf62c7 GS |
487 | if (!tmps || !len) |
488 | tmpsv = sv_2mortal(newSVpvn("Died", 4)); | |
489 | ||
cb50131a | 490 | DIE(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
491 | } |
492 | ||
493 | /* I/O. */ | |
494 | ||
495 | PP(pp_open) | |
496 | { | |
39644a26 | 497 | dSP; |
a567e93b NIS |
498 | dMARK; dORIGMARK; |
499 | dTARGET; | |
a0d0e21e LW |
500 | GV *gv; |
501 | SV *sv; | |
5b468f54 | 502 | IO *io; |
a0d0e21e LW |
503 | char *tmps; |
504 | STRLEN len; | |
4592e6ca | 505 | MAGIC *mg; |
a567e93b | 506 | bool ok; |
a0d0e21e | 507 | |
a567e93b | 508 | gv = (GV *)*++MARK; |
5f05dabc | 509 | if (!isGV(gv)) |
cea2e8a9 | 510 | DIE(aTHX_ PL_no_usym, "filehandle"); |
5b468f54 | 511 | if ((io = GvIOp(gv))) |
36477c24 | 512 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 513 | |
5b468f54 | 514 | if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) { |
a567e93b NIS |
515 | /* Method's args are same as ours ... */ |
516 | /* ... except handle is replaced by the object */ | |
5b468f54 | 517 | *MARK-- = SvTIED_obj((SV*)io, mg); |
a567e93b | 518 | PUSHMARK(MARK); |
4592e6ca NIS |
519 | PUTBACK; |
520 | ENTER; | |
864dbfa3 | 521 | call_method("OPEN", G_SCALAR); |
4592e6ca NIS |
522 | LEAVE; |
523 | SPAGAIN; | |
524 | RETURN; | |
525 | } | |
526 | ||
a567e93b NIS |
527 | if (MARK < SP) { |
528 | sv = *++MARK; | |
529 | } | |
530 | else { | |
531 | sv = GvSV(gv); | |
532 | } | |
533 | ||
a0d0e21e | 534 | tmps = SvPV(sv, len); |
a567e93b NIS |
535 | ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK)); |
536 | SP = ORIGMARK; | |
537 | if (ok) | |
3280af22 NIS |
538 | PUSHi( (I32)PL_forkprocess ); |
539 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
540 | PUSHi(0); |
541 | else | |
542 | RETPUSHUNDEF; | |
543 | RETURN; | |
544 | } | |
545 | ||
546 | PP(pp_close) | |
547 | { | |
39644a26 | 548 | dSP; |
a0d0e21e | 549 | GV *gv; |
5b468f54 | 550 | IO *io; |
1d603a67 | 551 | MAGIC *mg; |
a0d0e21e LW |
552 | |
553 | if (MAXARG == 0) | |
3280af22 | 554 | gv = PL_defoutgv; |
a0d0e21e LW |
555 | else |
556 | gv = (GV*)POPs; | |
1d603a67 | 557 | |
5b468f54 AMS |
558 | if (gv && (io = GvIO(gv)) |
559 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
560 | { | |
1d603a67 | 561 | PUSHMARK(SP); |
5b468f54 | 562 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
1d603a67 GB |
563 | PUTBACK; |
564 | ENTER; | |
864dbfa3 | 565 | call_method("CLOSE", G_SCALAR); |
1d603a67 GB |
566 | LEAVE; |
567 | SPAGAIN; | |
568 | RETURN; | |
569 | } | |
a0d0e21e | 570 | EXTEND(SP, 1); |
54310121 | 571 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
572 | RETURN; |
573 | } | |
574 | ||
575 | PP(pp_pipe_op) | |
576 | { | |
a0d0e21e | 577 | #ifdef HAS_PIPE |
9cad6237 | 578 | dSP; |
a0d0e21e LW |
579 | GV *rgv; |
580 | GV *wgv; | |
581 | register IO *rstio; | |
582 | register IO *wstio; | |
583 | int fd[2]; | |
584 | ||
585 | wgv = (GV*)POPs; | |
586 | rgv = (GV*)POPs; | |
587 | ||
588 | if (!rgv || !wgv) | |
589 | goto badexit; | |
590 | ||
4633a7c4 | 591 | if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) |
cea2e8a9 | 592 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
593 | rstio = GvIOn(rgv); |
594 | wstio = GvIOn(wgv); | |
595 | ||
596 | if (IoIFP(rstio)) | |
597 | do_close(rgv, FALSE); | |
598 | if (IoIFP(wstio)) | |
599 | do_close(wgv, FALSE); | |
600 | ||
6ad3d225 | 601 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
602 | goto badexit; |
603 | ||
760ac839 LW |
604 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"); |
605 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"); | |
a0d0e21e | 606 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
607 | IoTYPE(rstio) = IoTYPE_RDONLY; |
608 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
609 | |
610 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
760ac839 | 611 | if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio)); |
6ad3d225 | 612 | else PerlLIO_close(fd[0]); |
760ac839 | 613 | if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio)); |
6ad3d225 | 614 | else PerlLIO_close(fd[1]); |
a0d0e21e LW |
615 | goto badexit; |
616 | } | |
4771b018 GS |
617 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
618 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
619 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
620 | #endif | |
a0d0e21e LW |
621 | RETPUSHYES; |
622 | ||
623 | badexit: | |
624 | RETPUSHUNDEF; | |
625 | #else | |
cea2e8a9 | 626 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
627 | #endif |
628 | } | |
629 | ||
630 | PP(pp_fileno) | |
631 | { | |
39644a26 | 632 | dSP; dTARGET; |
a0d0e21e LW |
633 | GV *gv; |
634 | IO *io; | |
760ac839 | 635 | PerlIO *fp; |
4592e6ca NIS |
636 | MAGIC *mg; |
637 | ||
a0d0e21e LW |
638 | if (MAXARG < 1) |
639 | RETPUSHUNDEF; | |
640 | gv = (GV*)POPs; | |
4592e6ca | 641 | |
5b468f54 AMS |
642 | if (gv && (io = GvIO(gv)) |
643 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
644 | { | |
4592e6ca | 645 | PUSHMARK(SP); |
5b468f54 | 646 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
647 | PUTBACK; |
648 | ENTER; | |
864dbfa3 | 649 | call_method("FILENO", G_SCALAR); |
4592e6ca NIS |
650 | LEAVE; |
651 | SPAGAIN; | |
652 | RETURN; | |
653 | } | |
654 | ||
c289d2f7 JH |
655 | if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
656 | /* Can't do this because people seem to do things like | |
657 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
658 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
659 | report_evil_fh(gv, io, PL_op->op_type); | |
660 | */ | |
a0d0e21e | 661 | RETPUSHUNDEF; |
c289d2f7 JH |
662 | } |
663 | ||
760ac839 | 664 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
665 | RETURN; |
666 | } | |
667 | ||
668 | PP(pp_umask) | |
669 | { | |
39644a26 | 670 | dSP; dTARGET; |
d7e492a4 | 671 | #ifdef HAS_UMASK |
761237fe | 672 | Mode_t anum; |
a0d0e21e | 673 | |
a0d0e21e | 674 | if (MAXARG < 1) { |
6ad3d225 GS |
675 | anum = PerlLIO_umask(0); |
676 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
677 | } |
678 | else | |
6ad3d225 | 679 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
680 | TAINT_PROPER("umask"); |
681 | XPUSHi(anum); | |
682 | #else | |
eec2d3df GS |
683 | /* Only DIE if trying to restrict permissions on `user' (self). |
684 | * Otherwise it's harmless and more useful to just return undef | |
685 | * since 'group' and 'other' concepts probably don't exist here. */ | |
686 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 687 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 688 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
689 | #endif |
690 | RETURN; | |
691 | } | |
692 | ||
693 | PP(pp_binmode) | |
694 | { | |
39644a26 | 695 | dSP; |
a0d0e21e LW |
696 | GV *gv; |
697 | IO *io; | |
760ac839 | 698 | PerlIO *fp; |
4592e6ca | 699 | MAGIC *mg; |
16fe6d59 | 700 | SV *discp = Nullsv; |
a0d0e21e LW |
701 | |
702 | if (MAXARG < 1) | |
703 | RETPUSHUNDEF; | |
60382766 | 704 | if (MAXARG > 1) { |
16fe6d59 | 705 | discp = POPs; |
60382766 | 706 | } |
a0d0e21e | 707 | |
301e8125 | 708 | gv = (GV*)POPs; |
4592e6ca | 709 | |
5b468f54 AMS |
710 | if (gv && (io = GvIO(gv)) |
711 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
712 | { | |
4592e6ca | 713 | PUSHMARK(SP); |
5b468f54 | 714 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
16fe6d59 GS |
715 | if (discp) |
716 | XPUSHs(discp); | |
4592e6ca NIS |
717 | PUTBACK; |
718 | ENTER; | |
864dbfa3 | 719 | call_method("BINMODE", G_SCALAR); |
4592e6ca NIS |
720 | LEAVE; |
721 | SPAGAIN; | |
722 | RETURN; | |
723 | } | |
a0d0e21e LW |
724 | |
725 | EXTEND(SP, 1); | |
50f846a7 | 726 | if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
c289d2f7 JH |
727 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
728 | report_evil_fh(gv, io, PL_op->op_type); | |
50f846a7 SC |
729 | RETPUSHUNDEF; |
730 | } | |
a0d0e21e | 731 | |
60382766 NIS |
732 | if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp), |
733 | (discp) ? SvPV_nolen(discp) : Nullch)) | |
a0d0e21e LW |
734 | RETPUSHYES; |
735 | else | |
736 | RETPUSHUNDEF; | |
a0d0e21e LW |
737 | } |
738 | ||
739 | PP(pp_tie) | |
740 | { | |
39644a26 | 741 | dSP; |
e336de0d | 742 | dMARK; |
a0d0e21e LW |
743 | SV *varsv; |
744 | HV* stash; | |
745 | GV *gv; | |
a0d0e21e | 746 | SV *sv; |
3280af22 | 747 | I32 markoff = MARK - PL_stack_base; |
a0d0e21e | 748 | char *methname; |
14befaf4 | 749 | int how = PERL_MAGIC_tied; |
e336de0d | 750 | U32 items; |
2d8e6c8d | 751 | STRLEN n_a; |
a0d0e21e | 752 | |
e336de0d | 753 | varsv = *++MARK; |
6b05c17a NIS |
754 | switch(SvTYPE(varsv)) { |
755 | case SVt_PVHV: | |
756 | methname = "TIEHASH"; | |
03c6e78a | 757 | HvEITER((HV *)varsv) = Null(HE *); |
6b05c17a NIS |
758 | break; |
759 | case SVt_PVAV: | |
760 | methname = "TIEARRAY"; | |
761 | break; | |
762 | case SVt_PVGV: | |
7fb37951 AMS |
763 | #ifdef GV_UNIQUE_CHECK |
764 | if (GvUNIQUE((GV*)varsv)) { | |
765 | Perl_croak(aTHX_ "Attempt to tie unique GV"); | |
5bd07a3d DM |
766 | } |
767 | #endif | |
6b05c17a | 768 | methname = "TIEHANDLE"; |
14befaf4 | 769 | how = PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
770 | /* For tied filehandles, we apply tiedscalar magic to the IO |
771 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
772 | if (!GvIOp(varsv)) | |
773 | GvIOp(varsv) = newIO(); | |
774 | varsv = (SV *)GvIOp(varsv); | |
6b05c17a NIS |
775 | break; |
776 | default: | |
777 | methname = "TIESCALAR"; | |
14befaf4 | 778 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
779 | break; |
780 | } | |
e336de0d GS |
781 | items = SP - MARK++; |
782 | if (sv_isobject(*MARK)) { | |
6b05c17a | 783 | ENTER; |
e788e7d3 | 784 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d GS |
785 | PUSHMARK(SP); |
786 | EXTEND(SP,items); | |
787 | while (items--) | |
788 | PUSHs(*MARK++); | |
789 | PUTBACK; | |
864dbfa3 | 790 | call_method(methname, G_SCALAR); |
301e8125 | 791 | } |
6b05c17a | 792 | else { |
864dbfa3 | 793 | /* Not clear why we don't call call_method here too. |
6b05c17a NIS |
794 | * perhaps to get different error message ? |
795 | */ | |
e336de0d | 796 | stash = gv_stashsv(*MARK, FALSE); |
6b05c17a | 797 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
cea2e8a9 | 798 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"", |
301e8125 | 799 | methname, SvPV(*MARK,n_a)); |
6b05c17a NIS |
800 | } |
801 | ENTER; | |
e788e7d3 | 802 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d GS |
803 | PUSHMARK(SP); |
804 | EXTEND(SP,items); | |
805 | while (items--) | |
806 | PUSHs(*MARK++); | |
807 | PUTBACK; | |
864dbfa3 | 808 | call_sv((SV*)GvCV(gv), G_SCALAR); |
6b05c17a | 809 | } |
a0d0e21e LW |
810 | SPAGAIN; |
811 | ||
812 | sv = TOPs; | |
d3acc0f7 | 813 | POPSTACK; |
a0d0e21e | 814 | if (sv_isobject(sv)) { |
33c27489 | 815 | sv_unmagic(varsv, how); |
ae21d580 JH |
816 | /* Croak if a self-tie on an aggregate is attempted. */ |
817 | if (varsv == SvRV(sv) && | |
818 | (SvTYPE(sv) == SVt_PVAV || | |
819 | SvTYPE(sv) == SVt_PVHV)) | |
820 | Perl_croak(aTHX_ | |
821 | "Self-ties of arrays and hashes are not supported"); | |
68a4a7e4 | 822 | sv_magic(varsv, sv, how, Nullch, 0); |
a0d0e21e LW |
823 | } |
824 | LEAVE; | |
3280af22 | 825 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
826 | PUSHs(sv); |
827 | RETURN; | |
828 | } | |
829 | ||
830 | PP(pp_untie) | |
831 | { | |
39644a26 | 832 | dSP; |
5b468f54 | 833 | MAGIC *mg; |
33c27489 | 834 | SV *sv = POPs; |
14befaf4 DM |
835 | char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
836 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; | |
55497cff | 837 | |
5b468f54 AMS |
838 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) |
839 | RETPUSHYES; | |
840 | ||
841 | if ((mg = SvTIED_mg(sv, how))) { | |
a29a5827 NIS |
842 | SV *obj = SvRV(mg->mg_obj); |
843 | GV *gv; | |
844 | CV *cv = NULL; | |
fa2b88e0 JS |
845 | if (obj) { |
846 | if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) && | |
847 | isGV(gv) && (cv = GvCV(gv))) { | |
848 | PUSHMARK(SP); | |
849 | XPUSHs(SvTIED_obj((SV*)gv, mg)); | |
850 | XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); | |
851 | PUTBACK; | |
852 | ENTER; | |
853 | call_sv((SV *)cv, G_VOID); | |
854 | LEAVE; | |
855 | SPAGAIN; | |
856 | } | |
857 | else if (ckWARN(WARN_UNTIE)) { | |
858 | if (mg && SvREFCNT(obj) > 1) | |
9014280d | 859 | Perl_warner(aTHX_ packWARN(WARN_UNTIE), |
fa2b88e0 JS |
860 | "untie attempted while %"UVuf" inner references still exist", |
861 | (UV)SvREFCNT(obj) - 1 ) ; | |
862 | } | |
cbdc8872 | 863 | } |
fa2b88e0 | 864 | sv_unmagic(sv, how) ; |
cbdc8872 | 865 | } |
55497cff | 866 | RETPUSHYES; |
a0d0e21e LW |
867 | } |
868 | ||
c07a80fd | 869 | PP(pp_tied) |
870 | { | |
39644a26 | 871 | dSP; |
5b468f54 | 872 | MAGIC *mg; |
33c27489 | 873 | SV *sv = POPs; |
14befaf4 DM |
874 | char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
875 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; | |
5b468f54 AMS |
876 | |
877 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) | |
878 | RETPUSHUNDEF; | |
c07a80fd | 879 | |
155aba94 | 880 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
881 | SV *osv = SvTIED_obj(sv, mg); |
882 | if (osv == mg->mg_obj) | |
883 | osv = sv_mortalcopy(osv); | |
884 | PUSHs(osv); | |
885 | RETURN; | |
c07a80fd | 886 | } |
c07a80fd | 887 | RETPUSHUNDEF; |
888 | } | |
889 | ||
a0d0e21e LW |
890 | PP(pp_dbmopen) |
891 | { | |
39644a26 | 892 | dSP; |
a0d0e21e LW |
893 | HV *hv; |
894 | dPOPPOPssrl; | |
895 | HV* stash; | |
896 | GV *gv; | |
a0d0e21e LW |
897 | SV *sv; |
898 | ||
899 | hv = (HV*)POPs; | |
900 | ||
3280af22 | 901 | sv = sv_mortalcopy(&PL_sv_no); |
a0d0e21e LW |
902 | sv_setpv(sv, "AnyDBM_File"); |
903 | stash = gv_stashsv(sv, FALSE); | |
8ebc5c01 | 904 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 905 | PUTBACK; |
864dbfa3 | 906 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 907 | SPAGAIN; |
8ebc5c01 | 908 | if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 909 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
910 | } |
911 | ||
57d3b86d | 912 | ENTER; |
924508f0 | 913 | PUSHMARK(SP); |
6b05c17a | 914 | |
924508f0 | 915 | EXTEND(SP, 5); |
a0d0e21e LW |
916 | PUSHs(sv); |
917 | PUSHs(left); | |
918 | if (SvIV(right)) | |
b448e4fe | 919 | PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); |
a0d0e21e | 920 | else |
b448e4fe | 921 | PUSHs(sv_2mortal(newSVuv(O_RDWR))); |
a0d0e21e | 922 | PUSHs(right); |
57d3b86d | 923 | PUTBACK; |
864dbfa3 | 924 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
925 | SPAGAIN; |
926 | ||
927 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
928 | SP--; |
929 | PUSHMARK(SP); | |
a0d0e21e LW |
930 | PUSHs(sv); |
931 | PUSHs(left); | |
b448e4fe | 932 | PUSHs(sv_2mortal(newSVuv(O_RDONLY))); |
a0d0e21e | 933 | PUSHs(right); |
a0d0e21e | 934 | PUTBACK; |
864dbfa3 | 935 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
936 | SPAGAIN; |
937 | } | |
938 | ||
6b05c17a | 939 | if (sv_isobject(TOPs)) { |
14befaf4 DM |
940 | sv_unmagic((SV *) hv, PERL_MAGIC_tied); |
941 | sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0); | |
6b05c17a | 942 | } |
a0d0e21e LW |
943 | LEAVE; |
944 | RETURN; | |
945 | } | |
946 | ||
947 | PP(pp_dbmclose) | |
948 | { | |
cea2e8a9 | 949 | return pp_untie(); |
a0d0e21e LW |
950 | } |
951 | ||
952 | PP(pp_sselect) | |
953 | { | |
a0d0e21e | 954 | #ifdef HAS_SELECT |
9cad6237 | 955 | dSP; dTARGET; |
a0d0e21e LW |
956 | register I32 i; |
957 | register I32 j; | |
958 | register char *s; | |
959 | register SV *sv; | |
65202027 | 960 | NV value; |
a0d0e21e LW |
961 | I32 maxlen = 0; |
962 | I32 nfound; | |
963 | struct timeval timebuf; | |
964 | struct timeval *tbuf = &timebuf; | |
965 | I32 growsize; | |
966 | char *fd_sets[4]; | |
2d8e6c8d | 967 | STRLEN n_a; |
a0d0e21e LW |
968 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
969 | I32 masksize; | |
970 | I32 offset; | |
971 | I32 k; | |
972 | ||
973 | # if BYTEORDER & 0xf0000 | |
974 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
975 | # else | |
976 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
977 | # endif | |
978 | ||
979 | #endif | |
980 | ||
981 | SP -= 4; | |
982 | for (i = 1; i <= 3; i++) { | |
983 | if (!SvPOK(SP[i])) | |
984 | continue; | |
985 | j = SvCUR(SP[i]); | |
986 | if (maxlen < j) | |
987 | maxlen = j; | |
988 | } | |
989 | ||
5ff3f7a4 | 990 | /* little endians can use vecs directly */ |
e366b469 | 991 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 992 | # ifdef NFDBITS |
a0d0e21e | 993 | |
5ff3f7a4 GS |
994 | # ifndef NBBY |
995 | # define NBBY 8 | |
996 | # endif | |
a0d0e21e LW |
997 | |
998 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 999 | # else |
a0d0e21e | 1000 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1001 | # endif |
a0d0e21e LW |
1002 | Zero(&fd_sets[0], 4, char*); |
1003 | #endif | |
1004 | ||
e366b469 PG |
1005 | # if SELECT_MIN_BITS > 1 |
1006 | /* If SELECT_MIN_BITS is greater than one we most probably will want | |
1007 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1008 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
1009 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates | |
1010 | * on (sets/tests/clears bits) is 32 bits. */ | |
1011 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
1012 | # else | |
1013 | growsize = sizeof(fd_set); | |
1014 | # endif | |
1015 | ||
a0d0e21e LW |
1016 | sv = SP[4]; |
1017 | if (SvOK(sv)) { | |
1018 | value = SvNV(sv); | |
1019 | if (value < 0.0) | |
1020 | value = 0.0; | |
1021 | timebuf.tv_sec = (long)value; | |
65202027 | 1022 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1023 | timebuf.tv_usec = (long)(value * 1000000.0); |
1024 | } | |
1025 | else | |
1026 | tbuf = Null(struct timeval*); | |
1027 | ||
1028 | for (i = 1; i <= 3; i++) { | |
1029 | sv = SP[i]; | |
1030 | if (!SvOK(sv)) { | |
1031 | fd_sets[i] = 0; | |
1032 | continue; | |
1033 | } | |
1034 | else if (!SvPOK(sv)) | |
2d8e6c8d | 1035 | SvPV_force(sv,n_a); /* force string conversion */ |
a0d0e21e LW |
1036 | j = SvLEN(sv); |
1037 | if (j < growsize) { | |
1038 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1039 | } |
c07a80fd | 1040 | j = SvCUR(sv); |
1041 | s = SvPVX(sv) + j; | |
1042 | while (++j <= growsize) { | |
1043 | *s++ = '\0'; | |
1044 | } | |
1045 | ||
a0d0e21e LW |
1046 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1047 | s = SvPVX(sv); | |
1048 | New(403, fd_sets[i], growsize, char); | |
1049 | for (offset = 0; offset < growsize; offset += masksize) { | |
1050 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1051 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1052 | } | |
1053 | #else | |
1054 | fd_sets[i] = SvPVX(sv); | |
1055 | #endif | |
1056 | } | |
1057 | ||
6ad3d225 | 1058 | nfound = PerlSock_select( |
a0d0e21e LW |
1059 | maxlen * 8, |
1060 | (Select_fd_set_t) fd_sets[1], | |
1061 | (Select_fd_set_t) fd_sets[2], | |
1062 | (Select_fd_set_t) fd_sets[3], | |
1063 | tbuf); | |
1064 | for (i = 1; i <= 3; i++) { | |
1065 | if (fd_sets[i]) { | |
1066 | sv = SP[i]; | |
1067 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1068 | s = SvPVX(sv); | |
1069 | for (offset = 0; offset < growsize; offset += masksize) { | |
1070 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1071 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1072 | } | |
1073 | Safefree(fd_sets[i]); | |
1074 | #endif | |
1075 | SvSETMAGIC(sv); | |
1076 | } | |
1077 | } | |
1078 | ||
1079 | PUSHi(nfound); | |
1080 | if (GIMME == G_ARRAY && tbuf) { | |
65202027 DS |
1081 | value = (NV)(timebuf.tv_sec) + |
1082 | (NV)(timebuf.tv_usec) / 1000000.0; | |
3280af22 | 1083 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
1084 | sv_setnv(sv, value); |
1085 | } | |
1086 | RETURN; | |
1087 | #else | |
cea2e8a9 | 1088 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1089 | #endif |
1090 | } | |
1091 | ||
4633a7c4 | 1092 | void |
864dbfa3 | 1093 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 LW |
1094 | { |
1095 | if (gv) | |
1096 | (void)SvREFCNT_inc(gv); | |
3280af22 NIS |
1097 | if (PL_defoutgv) |
1098 | SvREFCNT_dec(PL_defoutgv); | |
1099 | PL_defoutgv = gv; | |
4633a7c4 LW |
1100 | } |
1101 | ||
a0d0e21e LW |
1102 | PP(pp_select) |
1103 | { | |
39644a26 | 1104 | dSP; dTARGET; |
4633a7c4 LW |
1105 | GV *newdefout, *egv; |
1106 | HV *hv; | |
1107 | ||
533c011a | 1108 | newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL; |
4633a7c4 | 1109 | |
3280af22 | 1110 | egv = GvEGV(PL_defoutgv); |
4633a7c4 | 1111 | if (!egv) |
3280af22 | 1112 | egv = PL_defoutgv; |
4633a7c4 LW |
1113 | hv = GvSTASH(egv); |
1114 | if (! hv) | |
3280af22 | 1115 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1116 | else { |
cbdc8872 | 1117 | GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1118 | if (gvp && *gvp == egv) { |
f7aaccc2 | 1119 | gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE); |
f86702cc | 1120 | XPUSHTARG; |
1121 | } | |
1122 | else { | |
1123 | XPUSHs(sv_2mortal(newRV((SV*)egv))); | |
1124 | } | |
4633a7c4 LW |
1125 | } |
1126 | ||
1127 | if (newdefout) { | |
ded8aa31 GS |
1128 | if (!GvIO(newdefout)) |
1129 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1130 | setdefout(newdefout); |
1131 | } | |
1132 | ||
a0d0e21e LW |
1133 | RETURN; |
1134 | } | |
1135 | ||
1136 | PP(pp_getc) | |
1137 | { | |
39644a26 | 1138 | dSP; dTARGET; |
a0d0e21e | 1139 | GV *gv; |
90133b69 | 1140 | IO *io = NULL; |
2ae324a7 | 1141 | MAGIC *mg; |
a0d0e21e | 1142 | |
32da55ab | 1143 | if (MAXARG == 0) |
3280af22 | 1144 | gv = PL_stdingv; |
a0d0e21e LW |
1145 | else |
1146 | gv = (GV*)POPs; | |
2ae324a7 | 1147 | |
5b468f54 AMS |
1148 | if (gv && (io = GvIO(gv)) |
1149 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1150 | { | |
54310121 | 1151 | I32 gimme = GIMME_V; |
2ae324a7 | 1152 | PUSHMARK(SP); |
5b468f54 | 1153 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
2ae324a7 | 1154 | PUTBACK; |
1155 | ENTER; | |
864dbfa3 | 1156 | call_method("GETC", gimme); |
2ae324a7 | 1157 | LEAVE; |
1158 | SPAGAIN; | |
54310121 | 1159 | if (gimme == G_SCALAR) |
1160 | SvSetMagicSV_nosteal(TARG, TOPs); | |
2ae324a7 | 1161 | RETURN; |
1162 | } | |
90133b69 | 1163 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
97e322ff RGS |
1164 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED) |
1165 | && (!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY))) | |
90133b69 | 1166 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1167 | RETPUSHUNDEF; |
90133b69 | 1168 | } |
bbce6d69 | 1169 | TAINT; |
a0d0e21e | 1170 | sv_setpv(TARG, " "); |
9bc64814 | 1171 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1172 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1173 | /* Find out how many bytes the char needs */ | |
1174 | Size_t len = UTF8SKIP(SvPVX(TARG)); | |
1175 | if (len > 1) { | |
1176 | SvGROW(TARG,len+1); | |
1177 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1178 | SvCUR_set(TARG,1+len); | |
1179 | } | |
1180 | SvUTF8_on(TARG); | |
1181 | } | |
a0d0e21e LW |
1182 | PUSHTARG; |
1183 | RETURN; | |
1184 | } | |
1185 | ||
1186 | PP(pp_read) | |
1187 | { | |
cea2e8a9 | 1188 | return pp_sysread(); |
a0d0e21e LW |
1189 | } |
1190 | ||
76e3520e | 1191 | STATIC OP * |
cea2e8a9 | 1192 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1193 | { |
c09156bb | 1194 | register PERL_CONTEXT *cx; |
54310121 | 1195 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1196 | AV* padlist = CvPADLIST(cv); |
1197 | SV** svp = AvARRAY(padlist); | |
1198 | ||
1199 | ENTER; | |
1200 | SAVETMPS; | |
1201 | ||
1202 | push_return(retop); | |
146174a9 | 1203 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
a0d0e21e | 1204 | PUSHFORMAT(cx); |
146174a9 | 1205 | SAVEVPTR(PL_curpad); |
3280af22 | 1206 | PL_curpad = AvARRAY((AV*)svp[1]); |
a0d0e21e | 1207 | |
4633a7c4 | 1208 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1209 | return CvSTART(cv); |
1210 | } | |
1211 | ||
1212 | PP(pp_enterwrite) | |
1213 | { | |
39644a26 | 1214 | dSP; |
a0d0e21e LW |
1215 | register GV *gv; |
1216 | register IO *io; | |
1217 | GV *fgv; | |
1218 | CV *cv; | |
1219 | ||
1220 | if (MAXARG == 0) | |
3280af22 | 1221 | gv = PL_defoutgv; |
a0d0e21e LW |
1222 | else { |
1223 | gv = (GV*)POPs; | |
1224 | if (!gv) | |
3280af22 | 1225 | gv = PL_defoutgv; |
a0d0e21e LW |
1226 | } |
1227 | EXTEND(SP, 1); | |
1228 | io = GvIO(gv); | |
1229 | if (!io) { | |
1230 | RETPUSHNO; | |
1231 | } | |
1232 | if (IoFMT_GV(io)) | |
1233 | fgv = IoFMT_GV(io); | |
1234 | else | |
1235 | fgv = gv; | |
1236 | ||
1237 | cv = GvFORM(fgv); | |
a0d0e21e | 1238 | if (!cv) { |
2dd78f96 | 1239 | char *name = NULL; |
a0d0e21e | 1240 | if (fgv) { |
748a9306 | 1241 | SV *tmpsv = sv_newmortal(); |
43693395 | 1242 | gv_efullname4(tmpsv, fgv, Nullch, FALSE); |
2dd78f96 | 1243 | name = SvPV_nolen(tmpsv); |
a0d0e21e | 1244 | } |
2dd78f96 JH |
1245 | if (name && *name) |
1246 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
cea2e8a9 | 1247 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1248 | } |
44a8e56a | 1249 | if (CvCLONE(cv)) |
1250 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
a0d0e21e | 1251 | |
44a8e56a | 1252 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1253 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1254 | } |
1255 | ||
1256 | PP(pp_leavewrite) | |
1257 | { | |
39644a26 | 1258 | dSP; |
a0d0e21e LW |
1259 | GV *gv = cxstack[cxstack_ix].blk_sub.gv; |
1260 | register IO *io = GvIOp(gv); | |
760ac839 LW |
1261 | PerlIO *ofp = IoOFP(io); |
1262 | PerlIO *fp; | |
a0d0e21e LW |
1263 | SV **newsp; |
1264 | I32 gimme; | |
c09156bb | 1265 | register PERL_CONTEXT *cx; |
a0d0e21e | 1266 | |
760ac839 | 1267 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1268 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
7ef822cd JH |
1269 | if (!io || !ofp) |
1270 | goto forget_top; | |
3280af22 NIS |
1271 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1272 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1273 | { |
4633a7c4 LW |
1274 | GV *fgv; |
1275 | CV *cv; | |
a0d0e21e LW |
1276 | if (!IoTOP_GV(io)) { |
1277 | GV *topgv; | |
46fc3d4c | 1278 | SV *topname; |
a0d0e21e LW |
1279 | |
1280 | if (!IoTOP_NAME(io)) { | |
1281 | if (!IoFMT_NAME(io)) | |
1282 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
cea2e8a9 | 1283 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io))); |
46fc3d4c | 1284 | topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM); |
748a9306 | 1285 | if ((topgv && GvFORM(topgv)) || |
a0d0e21e | 1286 | !gv_fetchpv("top",FALSE,SVt_PVFM)) |
46fc3d4c | 1287 | IoTOP_NAME(io) = savepv(SvPVX(topname)); |
a0d0e21e LW |
1288 | else |
1289 | IoTOP_NAME(io) = savepv("top"); | |
1290 | } | |
1291 | topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM); | |
1292 | if (!topgv || !GvFORM(topgv)) { | |
1293 | IoLINES_LEFT(io) = 100000000; | |
1294 | goto forget_top; | |
1295 | } | |
1296 | IoTOP_GV(io) = topgv; | |
1297 | } | |
748a9306 LW |
1298 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1299 | I32 lines = IoLINES_LEFT(io); | |
3280af22 | 1300 | char *s = SvPVX(PL_formtarget); |
8e07c86e AD |
1301 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1302 | goto forget_top; | |
748a9306 LW |
1303 | while (lines-- > 0) { |
1304 | s = strchr(s, '\n'); | |
1305 | if (!s) | |
1306 | break; | |
1307 | s++; | |
1308 | } | |
1309 | if (s) { | |
d75029d0 NIS |
1310 | STRLEN save = SvCUR(PL_formtarget); |
1311 | SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget)); | |
1312 | do_print(PL_formtarget, ofp); | |
1313 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1314 | sv_chop(PL_formtarget, s); |
1315 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1316 | } |
1317 | } | |
a0d0e21e | 1318 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1319 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1320 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1321 | IoPAGE(io)++; | |
3280af22 | 1322 | PL_formtarget = PL_toptarget; |
748a9306 | 1323 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1324 | fgv = IoTOP_GV(io); |
1325 | if (!fgv) | |
cea2e8a9 | 1326 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1327 | cv = GvFORM(fgv); |
2dd78f96 JH |
1328 | { |
1329 | char *name = NULL; | |
1330 | if (!cv) { | |
1331 | SV *sv = sv_newmortal(); | |
1332 | gv_efullname4(sv, fgv, Nullch, FALSE); | |
1333 | name = SvPV_nolen(sv); | |
1334 | } | |
1335 | if (name && *name) | |
1336 | DIE(aTHX_ "Undefined top format \"%s\" called",name); | |
1337 | /* why no: | |
1338 | else | |
1339 | DIE(aTHX_ "Undefined top format called"); | |
1340 | ?*/ | |
4633a7c4 | 1341 | } |
44a8e56a | 1342 | if (CvCLONE(cv)) |
1343 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
533c011a | 1344 | return doform(cv,gv,PL_op); |
a0d0e21e LW |
1345 | } |
1346 | ||
1347 | forget_top: | |
3280af22 | 1348 | POPBLOCK(cx,PL_curpm); |
a0d0e21e LW |
1349 | POPFORMAT(cx); |
1350 | LEAVE; | |
1351 | ||
1352 | fp = IoOFP(io); | |
1353 | if (!fp) { | |
599cee73 | 1354 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
cb50131a | 1355 | if (IoIFP(io)) { |
2dd78f96 JH |
1356 | /* integrate with report_evil_fh()? */ |
1357 | char *name = NULL; | |
1358 | if (isGV(gv)) { | |
1359 | SV* sv = sv_newmortal(); | |
1360 | gv_efullname4(sv, gv, Nullch, FALSE); | |
1361 | name = SvPV_nolen(sv); | |
1362 | } | |
1363 | if (name && *name) | |
9014280d | 1364 | Perl_warner(aTHX_ packWARN(WARN_IO), |
2dd78f96 JH |
1365 | "Filehandle %s opened only for input", name); |
1366 | else | |
9014280d | 1367 | Perl_warner(aTHX_ packWARN(WARN_IO), |
2dd78f96 | 1368 | "Filehandle opened only for input"); |
cb50131a | 1369 | } |
599cee73 | 1370 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1371 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1372 | } |
3280af22 | 1373 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1374 | } |
1375 | else { | |
3280af22 | 1376 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
599cee73 | 1377 | if (ckWARN(WARN_IO)) |
9014280d | 1378 | Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1379 | } |
d75029d0 | 1380 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1381 | PUSHs(&PL_sv_no); |
a0d0e21e | 1382 | else { |
3280af22 NIS |
1383 | FmLINES(PL_formtarget) = 0; |
1384 | SvCUR_set(PL_formtarget, 0); | |
1385 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1386 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1387 | (void)PerlIO_flush(fp); |
3280af22 | 1388 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1389 | } |
1390 | } | |
9cbac4c7 | 1391 | /* bad_ofp: */ |
3280af22 | 1392 | PL_formtarget = PL_bodytarget; |
a0d0e21e LW |
1393 | PUTBACK; |
1394 | return pop_return(); | |
1395 | } | |
1396 | ||
1397 | PP(pp_prtf) | |
1398 | { | |
39644a26 | 1399 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
1400 | GV *gv; |
1401 | IO *io; | |
760ac839 | 1402 | PerlIO *fp; |
26db47c4 | 1403 | SV *sv; |
46fc3d4c | 1404 | MAGIC *mg; |
a0d0e21e | 1405 | |
533c011a | 1406 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e LW |
1407 | gv = (GV*)*++MARK; |
1408 | else | |
3280af22 | 1409 | gv = PL_defoutgv; |
46fc3d4c | 1410 | |
5b468f54 AMS |
1411 | if (gv && (io = GvIO(gv)) |
1412 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1413 | { | |
46fc3d4c | 1414 | if (MARK == ORIGMARK) { |
4352c267 | 1415 | MEXTEND(SP, 1); |
46fc3d4c | 1416 | ++MARK; |
1417 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1418 | ++SP; | |
1419 | } | |
1420 | PUSHMARK(MARK - 1); | |
5b468f54 | 1421 | *MARK = SvTIED_obj((SV*)io, mg); |
46fc3d4c | 1422 | PUTBACK; |
1423 | ENTER; | |
864dbfa3 | 1424 | call_method("PRINTF", G_SCALAR); |
46fc3d4c | 1425 | LEAVE; |
1426 | SPAGAIN; | |
1427 | MARK = ORIGMARK + 1; | |
1428 | *MARK = *SP; | |
1429 | SP = MARK; | |
1430 | RETURN; | |
1431 | } | |
1432 | ||
26db47c4 | 1433 | sv = NEWSV(0,0); |
a0d0e21e | 1434 | if (!(io = GvIO(gv))) { |
2dd78f96 JH |
1435 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1436 | report_evil_fh(gv, io, PL_op->op_type); | |
91487cfc | 1437 | SETERRNO(EBADF,RMS$_IFI); |
a0d0e21e LW |
1438 | goto just_say_no; |
1439 | } | |
1440 | else if (!(fp = IoOFP(io))) { | |
599cee73 | 1441 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
2dd78f96 | 1442 | /* integrate with report_evil_fh()? */ |
cb50131a | 1443 | if (IoIFP(io)) { |
2dd78f96 JH |
1444 | char *name = NULL; |
1445 | if (isGV(gv)) { | |
1446 | gv_efullname4(sv, gv, Nullch, FALSE); | |
1447 | name = SvPV_nolen(sv); | |
1448 | } | |
1449 | if (name && *name) | |
9014280d | 1450 | Perl_warner(aTHX_ packWARN(WARN_IO), |
2dd78f96 JH |
1451 | "Filehandle %s opened only for input", name); |
1452 | else | |
9014280d | 1453 | Perl_warner(aTHX_ packWARN(WARN_IO), |
2dd78f96 | 1454 | "Filehandle opened only for input"); |
cb50131a | 1455 | } |
599cee73 | 1456 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1457 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1458 | } |
91487cfc | 1459 | SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI); |
a0d0e21e LW |
1460 | goto just_say_no; |
1461 | } | |
1462 | else { | |
1463 | do_sprintf(sv, SP - MARK, MARK + 1); | |
1464 | if (!do_print(sv, fp)) | |
1465 | goto just_say_no; | |
1466 | ||
1467 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1468 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1469 | goto just_say_no; |
1470 | } | |
1471 | SvREFCNT_dec(sv); | |
1472 | SP = ORIGMARK; | |
3280af22 | 1473 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1474 | RETURN; |
1475 | ||
1476 | just_say_no: | |
1477 | SvREFCNT_dec(sv); | |
1478 | SP = ORIGMARK; | |
3280af22 | 1479 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1480 | RETURN; |
1481 | } | |
1482 | ||
c07a80fd | 1483 | PP(pp_sysopen) |
1484 | { | |
39644a26 | 1485 | dSP; |
c07a80fd | 1486 | GV *gv; |
c07a80fd | 1487 | SV *sv; |
1488 | char *tmps; | |
1489 | STRLEN len; | |
1490 | int mode, perm; | |
1491 | ||
1492 | if (MAXARG > 3) | |
1493 | perm = POPi; | |
1494 | else | |
1495 | perm = 0666; | |
1496 | mode = POPi; | |
1497 | sv = POPs; | |
1498 | gv = (GV *)POPs; | |
1499 | ||
4592e6ca NIS |
1500 | /* Need TIEHANDLE method ? */ |
1501 | ||
c07a80fd | 1502 | tmps = SvPV(sv, len); |
1503 | if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) { | |
1504 | IoLINES(GvIOp(gv)) = 0; | |
3280af22 | 1505 | PUSHs(&PL_sv_yes); |
c07a80fd | 1506 | } |
1507 | else { | |
3280af22 | 1508 | PUSHs(&PL_sv_undef); |
c07a80fd | 1509 | } |
1510 | RETURN; | |
1511 | } | |
1512 | ||
a0d0e21e LW |
1513 | PP(pp_sysread) |
1514 | { | |
39644a26 | 1515 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
1516 | int offset; |
1517 | GV *gv; | |
1518 | IO *io; | |
1519 | char *buffer; | |
5b54f415 | 1520 | SSize_t length; |
eb5c063a | 1521 | SSize_t count; |
1e422769 | 1522 | Sock_size_t bufsize; |
748a9306 | 1523 | SV *bufsv; |
a0d0e21e | 1524 | STRLEN blen; |
2ae324a7 | 1525 | MAGIC *mg; |
eb5c063a NIS |
1526 | int fp_utf8; |
1527 | Size_t got = 0; | |
1528 | Size_t wanted; | |
1d636c13 | 1529 | bool charstart = FALSE; |
87330c3c JH |
1530 | STRLEN charskip = 0; |
1531 | STRLEN skip = 0; | |
a0d0e21e LW |
1532 | |
1533 | gv = (GV*)*++MARK; | |
5b468f54 AMS |
1534 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1535 | && gv && (io = GvIO(gv)) | |
1536 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
137443ea | 1537 | { |
2ae324a7 | 1538 | SV *sv; |
1539 | ||
1540 | PUSHMARK(MARK-1); | |
5b468f54 | 1541 | *MARK = SvTIED_obj((SV*)io, mg); |
2ae324a7 | 1542 | ENTER; |
864dbfa3 | 1543 | call_method("READ", G_SCALAR); |
2ae324a7 | 1544 | LEAVE; |
1545 | SPAGAIN; | |
1546 | sv = POPs; | |
1547 | SP = ORIGMARK; | |
1548 | PUSHs(sv); | |
1549 | RETURN; | |
1550 | } | |
1551 | ||
a0d0e21e LW |
1552 | if (!gv) |
1553 | goto say_undef; | |
748a9306 | 1554 | bufsv = *++MARK; |
ff68c719 | 1555 | if (! SvOK(bufsv)) |
1556 | sv_setpvn(bufsv, "", 0); | |
a0d0e21e | 1557 | length = SvIVx(*++MARK); |
748a9306 | 1558 | SETERRNO(0,0); |
a0d0e21e LW |
1559 | if (MARK < SP) |
1560 | offset = SvIVx(*++MARK); | |
1561 | else | |
1562 | offset = 0; | |
1563 | io = GvIO(gv); | |
1564 | if (!io || !IoIFP(io)) | |
1565 | goto say_undef; | |
0064a8a9 | 1566 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1567 | buffer = SvPVutf8_force(bufsv, blen); |
eb5c063a NIS |
1568 | /* UTF8 may not have been set if they are all low bytes */ |
1569 | SvUTF8_on(bufsv); | |
7d59b7e4 NIS |
1570 | } |
1571 | else { | |
1572 | buffer = SvPV_force(bufsv, blen); | |
1573 | } | |
1574 | if (length < 0) | |
1575 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1576 | wanted = length; |
7d59b7e4 | 1577 | |
d0965105 JH |
1578 | charstart = TRUE; |
1579 | charskip = 0; | |
87330c3c | 1580 | skip = 0; |
d0965105 | 1581 | |
a0d0e21e | 1582 | #ifdef HAS_SOCKET |
533c011a | 1583 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1584 | char namebuf[MAXPATHLEN]; |
eec2d3df | 1585 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) |
490ab354 JH |
1586 | bufsize = sizeof (struct sockaddr_in); |
1587 | #else | |
46fc3d4c | 1588 | bufsize = sizeof namebuf; |
490ab354 | 1589 | #endif |
abf95952 IZ |
1590 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1591 | if (bufsize >= 256) | |
1592 | bufsize = 255; | |
1593 | #endif | |
748a9306 | 1594 | buffer = SvGROW(bufsv, length+1); |
bbce6d69 | 1595 | /* 'offset' means 'flags' here */ |
eb5c063a | 1596 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
46fc3d4c | 1597 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1598 | if (count < 0) |
a0d0e21e | 1599 | RETPUSHUNDEF; |
4107cc59 OF |
1600 | #ifdef EPOC |
1601 | /* Bogus return without padding */ | |
1602 | bufsize = sizeof (struct sockaddr_in); | |
1603 | #endif | |
eb5c063a | 1604 | SvCUR_set(bufsv, count); |
748a9306 LW |
1605 | *SvEND(bufsv) = '\0'; |
1606 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1607 | if (fp_utf8) |
1608 | SvUTF8_on(bufsv); | |
748a9306 | 1609 | SvSETMAGIC(bufsv); |
aac0dd9a | 1610 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1611 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1612 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1613 | SP = ORIGMARK; |
46fc3d4c | 1614 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1615 | PUSHs(TARG); |
1616 | RETURN; | |
1617 | } | |
1618 | #else | |
911d147d | 1619 | if (PL_op->op_type == OP_RECV) |
cea2e8a9 | 1620 | DIE(aTHX_ PL_no_sock_func, "recv"); |
a0d0e21e | 1621 | #endif |
eb5c063a NIS |
1622 | if (DO_UTF8(bufsv)) { |
1623 | /* offset adjust in characters not bytes */ | |
1624 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1625 | } |
bbce6d69 | 1626 | if (offset < 0) { |
1627 | if (-offset > blen) | |
cea2e8a9 | 1628 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1629 | offset += blen; |
1630 | } | |
eb5c063a NIS |
1631 | if (DO_UTF8(bufsv)) { |
1632 | /* convert offset-as-chars to offset-as-bytes */ | |
1633 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
1634 | } | |
1635 | more_bytes: | |
cd52b7b2 | 1636 | bufsize = SvCUR(bufsv); |
eb5c063a | 1637 | buffer = SvGROW(bufsv, length+offset+1); |
cd52b7b2 | 1638 | if (offset > bufsize) { /* Zero any newly allocated space */ |
1639 | Zero(buffer+bufsize, offset-bufsize, char); | |
1640 | } | |
eb5c063a NIS |
1641 | buffer = buffer + offset; |
1642 | ||
533c011a | 1643 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1644 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1645 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1646 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1647 | buffer, length, 0); | |
a7092146 GS |
1648 | } |
1649 | else | |
1650 | #endif | |
1651 | { | |
eb5c063a NIS |
1652 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1653 | buffer, length); | |
a7092146 | 1654 | } |
a0d0e21e LW |
1655 | } |
1656 | else | |
1657 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1658 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1659 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1660 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1661 | bufsize = sizeof (struct sockaddr_in); | |
1662 | #else | |
46fc3d4c | 1663 | bufsize = sizeof namebuf; |
490ab354 | 1664 | #endif |
eb5c063a | 1665 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1666 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1667 | } |
1668 | else | |
1669 | #endif | |
3b02c43c | 1670 | { |
eb5c063a NIS |
1671 | count = PerlIO_read(IoIFP(io), buffer, length); |
1672 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1673 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1674 | count = -1; | |
3b02c43c | 1675 | } |
eb5c063a | 1676 | if (count < 0) { |
a00b5bd3 | 1677 | if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO)) |
af8c498a | 1678 | { |
2dd78f96 JH |
1679 | /* integrate with report_evil_fh()? */ |
1680 | char *name = NULL; | |
1681 | if (isGV(gv)) { | |
1682 | SV* sv = sv_newmortal(); | |
1683 | gv_efullname4(sv, gv, Nullch, FALSE); | |
1684 | name = SvPV_nolen(sv); | |
1685 | } | |
1686 | if (name && *name) | |
9014280d | 1687 | Perl_warner(aTHX_ packWARN(WARN_IO), |
2dd78f96 JH |
1688 | "Filehandle %s opened only for output", name); |
1689 | else | |
9014280d | 1690 | Perl_warner(aTHX_ packWARN(WARN_IO), |
2dd78f96 | 1691 | "Filehandle opened only for output"); |
af8c498a | 1692 | } |
a0d0e21e | 1693 | goto say_undef; |
af8c498a | 1694 | } |
eb5c063a | 1695 | SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv))); |
748a9306 LW |
1696 | *SvEND(bufsv) = '\0'; |
1697 | (void)SvPOK_only(bufsv); | |
0064a8a9 | 1698 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a NIS |
1699 | /* Look at utf8 we got back and count the characters */ |
1700 | char *bend = buffer + count; | |
1701 | while (buffer < bend) { | |
d0965105 JH |
1702 | if (charstart) { |
1703 | skip = UTF8SKIP(buffer); | |
1704 | charskip = 0; | |
1705 | } | |
1706 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1707 | /* partial character - try for rest of it */ |
1708 | length = skip - (bend-buffer); | |
1709 | offset = bend - SvPVX(bufsv); | |
d0965105 JH |
1710 | charstart = FALSE; |
1711 | charskip += count; | |
eb5c063a NIS |
1712 | goto more_bytes; |
1713 | } | |
1714 | else { | |
1715 | got++; | |
1716 | buffer += skip; | |
d0965105 JH |
1717 | charstart = TRUE; |
1718 | charskip = 0; | |
eb5c063a NIS |
1719 | } |
1720 | } | |
1721 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1722 | provided amount read (count) was what was requested (length) | |
1723 | */ | |
1724 | if (got < wanted && count == length) { | |
d0965105 | 1725 | length = wanted - got; |
eb5c063a NIS |
1726 | offset = bend - SvPVX(bufsv); |
1727 | goto more_bytes; | |
1728 | } | |
1729 | /* return value is character count */ | |
1730 | count = got; | |
1731 | SvUTF8_on(bufsv); | |
1732 | } | |
748a9306 | 1733 | SvSETMAGIC(bufsv); |
aac0dd9a | 1734 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1735 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1736 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1737 | SP = ORIGMARK; |
eb5c063a | 1738 | PUSHi(count); |
a0d0e21e LW |
1739 | RETURN; |
1740 | ||
1741 | say_undef: | |
1742 | SP = ORIGMARK; | |
1743 | RETPUSHUNDEF; | |
1744 | } | |
1745 | ||
1746 | PP(pp_syswrite) | |
1747 | { | |
39644a26 | 1748 | dSP; |
092bebab JH |
1749 | int items = (SP - PL_stack_base) - TOPMARK; |
1750 | if (items == 2) { | |
9f089d78 | 1751 | SV *sv; |
092bebab | 1752 | EXTEND(SP, 1); |
9f089d78 SB |
1753 | sv = sv_2mortal(newSViv(sv_len(*SP))); |
1754 | PUSHs(sv); | |
092bebab JH |
1755 | PUTBACK; |
1756 | } | |
cea2e8a9 | 1757 | return pp_send(); |
a0d0e21e LW |
1758 | } |
1759 | ||
1760 | PP(pp_send) | |
1761 | { | |
39644a26 | 1762 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
1763 | GV *gv; |
1764 | IO *io; | |
748a9306 | 1765 | SV *bufsv; |
a0d0e21e | 1766 | char *buffer; |
8c99d73e GS |
1767 | Size_t length; |
1768 | SSize_t retval; | |
a0d0e21e | 1769 | STRLEN blen; |
1d603a67 | 1770 | MAGIC *mg; |
a0d0e21e LW |
1771 | |
1772 | gv = (GV*)*++MARK; | |
14befaf4 | 1773 | if (PL_op->op_type == OP_SYSWRITE |
5b468f54 AMS |
1774 | && gv && (io = GvIO(gv)) |
1775 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
14befaf4 | 1776 | { |
1d603a67 GB |
1777 | SV *sv; |
1778 | ||
1779 | PUSHMARK(MARK-1); | |
5b468f54 | 1780 | *MARK = SvTIED_obj((SV*)io, mg); |
1d603a67 | 1781 | ENTER; |
864dbfa3 | 1782 | call_method("WRITE", G_SCALAR); |
1d603a67 GB |
1783 | LEAVE; |
1784 | SPAGAIN; | |
1785 | sv = POPs; | |
1786 | SP = ORIGMARK; | |
1787 | PUSHs(sv); | |
1788 | RETURN; | |
1789 | } | |
a0d0e21e LW |
1790 | if (!gv) |
1791 | goto say_undef; | |
748a9306 | 1792 | bufsv = *++MARK; |
8c99d73e | 1793 | #if Size_t_size > IVSIZE |
3c001241 | 1794 | length = (Size_t)SvNVx(*++MARK); |
146174a9 | 1795 | #else |
3c001241 | 1796 | length = (Size_t)SvIVx(*++MARK); |
146174a9 | 1797 | #endif |
3c001241 | 1798 | if ((SSize_t)length < 0) |
cea2e8a9 | 1799 | DIE(aTHX_ "Negative length"); |
748a9306 | 1800 | SETERRNO(0,0); |
a0d0e21e LW |
1801 | io = GvIO(gv); |
1802 | if (!io || !IoIFP(io)) { | |
8c99d73e | 1803 | retval = -1; |
bc37a18f RG |
1804 | if (ckWARN(WARN_CLOSED)) |
1805 | report_evil_fh(gv, io, PL_op->op_type); | |
7d59b7e4 NIS |
1806 | goto say_undef; |
1807 | } | |
1808 | ||
1809 | if (PerlIO_isutf8(IoIFP(io))) { | |
1810 | buffer = SvPVutf8(bufsv, blen); | |
a0d0e21e | 1811 | } |
7d59b7e4 NIS |
1812 | else { |
1813 | if (DO_UTF8(bufsv)) | |
1814 | sv_utf8_downgrade(bufsv, FALSE); | |
1815 | buffer = SvPV(bufsv, blen); | |
1816 | } | |
1817 | ||
1818 | if (PL_op->op_type == OP_SYSWRITE) { | |
1819 | IV offset; | |
1820 | if (DO_UTF8(bufsv)) { | |
1821 | /* length and offset are in chars */ | |
1822 | blen = sv_len_utf8(bufsv); | |
1823 | } | |
bbce6d69 | 1824 | if (MARK < SP) { |
a0d0e21e | 1825 | offset = SvIVx(*++MARK); |
bbce6d69 | 1826 | if (offset < 0) { |
1827 | if (-offset > blen) | |
cea2e8a9 | 1828 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1829 | offset += blen; |
fb73857a | 1830 | } else if (offset >= blen && blen > 0) |
cea2e8a9 | 1831 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1832 | } else |
a0d0e21e LW |
1833 | offset = 0; |
1834 | if (length > blen - offset) | |
1835 | length = blen - offset; | |
7d59b7e4 | 1836 | if (DO_UTF8(bufsv)) { |
c8d31a35 | 1837 | buffer = (char*)utf8_hop((U8 *)buffer, offset); |
7d59b7e4 NIS |
1838 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; |
1839 | } | |
1840 | else { | |
1841 | buffer = buffer+offset; | |
1842 | } | |
a7092146 | 1843 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1844 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1845 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1846 | buffer, length, 0); |
a7092146 GS |
1847 | } |
1848 | else | |
1849 | #endif | |
1850 | { | |
94e4c244 | 1851 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1852 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1853 | buffer, length); |
a7092146 | 1854 | } |
a0d0e21e LW |
1855 | } |
1856 | #ifdef HAS_SOCKET | |
1857 | else if (SP > MARK) { | |
1858 | char *sockbuf; | |
1859 | STRLEN mlen; | |
1860 | sockbuf = SvPVx(*++MARK, mlen); | |
7d59b7e4 | 1861 | /* length is really flags */ |
8c99d73e GS |
1862 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, |
1863 | length, (struct sockaddr *)sockbuf, mlen); | |
a0d0e21e LW |
1864 | } |
1865 | else | |
7d59b7e4 | 1866 | /* length is really flags */ |
8c99d73e | 1867 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length); |
a0d0e21e LW |
1868 | #else |
1869 | else | |
cea2e8a9 | 1870 | DIE(aTHX_ PL_no_sock_func, "send"); |
a0d0e21e | 1871 | #endif |
8c99d73e | 1872 | if (retval < 0) |
a0d0e21e LW |
1873 | goto say_undef; |
1874 | SP = ORIGMARK; | |
f36eea10 JH |
1875 | if (DO_UTF8(bufsv)) |
1876 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); | |
8c99d73e GS |
1877 | #if Size_t_size > IVSIZE |
1878 | PUSHn(retval); | |
1879 | #else | |
1880 | PUSHi(retval); | |
1881 | #endif | |
a0d0e21e LW |
1882 | RETURN; |
1883 | ||
1884 | say_undef: | |
1885 | SP = ORIGMARK; | |
1886 | RETPUSHUNDEF; | |
1887 | } | |
1888 | ||
1889 | PP(pp_recv) | |
1890 | { | |
cea2e8a9 | 1891 | return pp_sysread(); |
a0d0e21e LW |
1892 | } |
1893 | ||
1894 | PP(pp_eof) | |
1895 | { | |
39644a26 | 1896 | dSP; |
a0d0e21e | 1897 | GV *gv; |
5b468f54 | 1898 | IO *io; |
4592e6ca | 1899 | MAGIC *mg; |
a0d0e21e | 1900 | |
32da55ab | 1901 | if (MAXARG == 0) { |
146174a9 CB |
1902 | if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ |
1903 | IO *io; | |
ed2c6b9b | 1904 | gv = PL_last_in_gv = GvEGV(PL_argvgv); |
146174a9 CB |
1905 | io = GvIO(gv); |
1906 | if (io && !IoIFP(io)) { | |
1907 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
1908 | IoLINES(io) = 0; | |
1909 | IoFLAGS(io) &= ~IOf_START; | |
1910 | do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp); | |
1911 | sv_setpvn(GvSV(gv), "-", 1); | |
1912 | SvSETMAGIC(GvSV(gv)); | |
1913 | } | |
1914 | else if (!nextargv(gv)) | |
1915 | RETPUSHYES; | |
1916 | } | |
1917 | } | |
1918 | else | |
1919 | gv = PL_last_in_gv; /* eof */ | |
1920 | } | |
a0d0e21e | 1921 | else |
146174a9 | 1922 | gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ |
4592e6ca | 1923 | |
5b468f54 AMS |
1924 | if (gv && (io = GvIO(gv)) |
1925 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1926 | { | |
4592e6ca | 1927 | PUSHMARK(SP); |
5b468f54 | 1928 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1929 | PUTBACK; |
1930 | ENTER; | |
864dbfa3 | 1931 | call_method("EOF", G_SCALAR); |
4592e6ca NIS |
1932 | LEAVE; |
1933 | SPAGAIN; | |
1934 | RETURN; | |
1935 | } | |
1936 | ||
54310121 | 1937 | PUSHs(boolSV(!gv || do_eof(gv))); |
a0d0e21e LW |
1938 | RETURN; |
1939 | } | |
1940 | ||
1941 | PP(pp_tell) | |
1942 | { | |
39644a26 | 1943 | dSP; dTARGET; |
301e8125 | 1944 | GV *gv; |
5b468f54 | 1945 | IO *io; |
4592e6ca | 1946 | MAGIC *mg; |
a0d0e21e | 1947 | |
32da55ab | 1948 | if (MAXARG == 0) |
3280af22 | 1949 | gv = PL_last_in_gv; |
a0d0e21e | 1950 | else |
3280af22 | 1951 | gv = PL_last_in_gv = (GV*)POPs; |
4592e6ca | 1952 | |
5b468f54 AMS |
1953 | if (gv && (io = GvIO(gv)) |
1954 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1955 | { | |
4592e6ca | 1956 | PUSHMARK(SP); |
5b468f54 | 1957 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1958 | PUTBACK; |
1959 | ENTER; | |
864dbfa3 | 1960 | call_method("TELL", G_SCALAR); |
4592e6ca NIS |
1961 | LEAVE; |
1962 | SPAGAIN; | |
1963 | RETURN; | |
1964 | } | |
1965 | ||
146174a9 CB |
1966 | #if LSEEKSIZE > IVSIZE |
1967 | PUSHn( do_tell(gv) ); | |
1968 | #else | |
a0d0e21e | 1969 | PUSHi( do_tell(gv) ); |
146174a9 | 1970 | #endif |
a0d0e21e LW |
1971 | RETURN; |
1972 | } | |
1973 | ||
1974 | PP(pp_seek) | |
1975 | { | |
cea2e8a9 | 1976 | return pp_sysseek(); |
137443ea | 1977 | } |
1978 | ||
1979 | PP(pp_sysseek) | |
1980 | { | |
39644a26 | 1981 | dSP; |
a0d0e21e | 1982 | GV *gv; |
5b468f54 | 1983 | IO *io; |
a0d0e21e | 1984 | int whence = POPi; |
146174a9 CB |
1985 | #if LSEEKSIZE > IVSIZE |
1986 | Off_t offset = (Off_t)SvNVx(POPs); | |
1987 | #else | |
d9b3e12d | 1988 | Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 1989 | #endif |
4592e6ca | 1990 | MAGIC *mg; |
a0d0e21e | 1991 | |
3280af22 | 1992 | gv = PL_last_in_gv = (GV*)POPs; |
4592e6ca | 1993 | |
5b468f54 AMS |
1994 | if (gv && (io = GvIO(gv)) |
1995 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1996 | { | |
4592e6ca | 1997 | PUSHMARK(SP); |
5b468f54 | 1998 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
cb50131a CB |
1999 | #if LSEEKSIZE > IVSIZE |
2000 | XPUSHs(sv_2mortal(newSVnv((NV) offset))); | |
2001 | #else | |
b448e4fe | 2002 | XPUSHs(sv_2mortal(newSViv(offset))); |
cb50131a | 2003 | #endif |
b448e4fe | 2004 | XPUSHs(sv_2mortal(newSViv(whence))); |
4592e6ca NIS |
2005 | PUTBACK; |
2006 | ENTER; | |
864dbfa3 | 2007 | call_method("SEEK", G_SCALAR); |
4592e6ca NIS |
2008 | LEAVE; |
2009 | SPAGAIN; | |
2010 | RETURN; | |
2011 | } | |
2012 | ||
533c011a | 2013 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2014 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2015 | else { | |
b448e4fe JH |
2016 | Off_t sought = do_sysseek(gv, offset, whence); |
2017 | if (sought < 0) | |
146174a9 CB |
2018 | PUSHs(&PL_sv_undef); |
2019 | else { | |
b448e4fe | 2020 | SV* sv = sought ? |
146174a9 | 2021 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2022 | newSVnv((NV)sought) |
146174a9 | 2023 | #else |
b448e4fe | 2024 | newSViv(sought) |
146174a9 CB |
2025 | #endif |
2026 | : newSVpvn(zero_but_true, ZBTLEN); | |
2027 | PUSHs(sv_2mortal(sv)); | |
2028 | } | |
8903cb82 | 2029 | } |
a0d0e21e LW |
2030 | RETURN; |
2031 | } | |
2032 | ||
2033 | PP(pp_truncate) | |
2034 | { | |
39644a26 | 2035 | dSP; |
8c99d73e GS |
2036 | /* There seems to be no consensus on the length type of truncate() |
2037 | * and ftruncate(), both off_t and size_t have supporters. In | |
2038 | * general one would think that when using large files, off_t is | |
2039 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2040 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
2041 | Off_t len; | |
a0d0e21e | 2042 | |
8c99d73e GS |
2043 | #if Size_t_size > IVSIZE |
2044 | len = (Off_t)POPn; | |
2045 | #else | |
2046 | len = (Off_t)POPi; | |
2047 | #endif | |
2048 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2049 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2050 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2051 | SETERRNO(0,0); |
5d94fbed | 2052 | #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP) |
d05c1ba0 JH |
2053 | { |
2054 | STRLEN n_a; | |
2055 | int result = 1; | |
2056 | GV *tmpgv; | |
2057 | ||
2058 | if (PL_op->op_flags & OPf_SPECIAL) { | |
2059 | tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO); | |
2060 | ||
2061 | do_ftruncate: | |
2062 | TAINT_PROPER("truncate"); | |
2063 | if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv))) | |
2064 | result = 0; | |
2065 | else { | |
2066 | PerlIO_flush(IoIFP(GvIOp(tmpgv))); | |
cbdc8872 | 2067 | #ifdef HAS_TRUNCATE |
d05c1ba0 | 2068 | if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) |
301e8125 | 2069 | #else |
d05c1ba0 | 2070 | if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) |
cbdc8872 | 2071 | #endif |
d05c1ba0 JH |
2072 | result = 0; |
2073 | } | |
cbdc8872 | 2074 | } |
d05c1ba0 JH |
2075 | else { |
2076 | SV *sv = POPs; | |
2077 | char *name; | |
72f496dc | 2078 | |
d05c1ba0 JH |
2079 | if (SvTYPE(sv) == SVt_PVGV) { |
2080 | tmpgv = (GV*)sv; /* *main::FRED for example */ | |
2081 | goto do_ftruncate; | |
2082 | } | |
2083 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2084 | tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ | |
2085 | goto do_ftruncate; | |
2086 | } | |
1e422769 | 2087 | |
d05c1ba0 JH |
2088 | name = SvPV(sv, n_a); |
2089 | TAINT_PROPER("truncate"); | |
cbdc8872 | 2090 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2091 | if (truncate(name, len) < 0) |
2092 | result = 0; | |
cbdc8872 | 2093 | #else |
d05c1ba0 JH |
2094 | { |
2095 | int tmpfd; | |
2096 | ||
2097 | if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0) | |
cbdc8872 | 2098 | result = 0; |
d05c1ba0 JH |
2099 | else { |
2100 | if (my_chsize(tmpfd, len) < 0) | |
2101 | result = 0; | |
2102 | PerlLIO_close(tmpfd); | |
2103 | } | |
cbdc8872 | 2104 | } |
a0d0e21e | 2105 | #endif |
d05c1ba0 | 2106 | } |
a0d0e21e | 2107 | |
d05c1ba0 JH |
2108 | if (result) |
2109 | RETPUSHYES; | |
2110 | if (!errno) | |
91487cfc | 2111 | SETERRNO(EBADF,RMS$_IFI); |
d05c1ba0 JH |
2112 | RETPUSHUNDEF; |
2113 | } | |
a0d0e21e | 2114 | #else |
cea2e8a9 | 2115 | DIE(aTHX_ "truncate not implemented"); |
a0d0e21e LW |
2116 | #endif |
2117 | } | |
2118 | ||
2119 | PP(pp_fcntl) | |
2120 | { | |
cea2e8a9 | 2121 | return pp_ioctl(); |
a0d0e21e LW |
2122 | } |
2123 | ||
2124 | PP(pp_ioctl) | |
2125 | { | |
39644a26 | 2126 | dSP; dTARGET; |
748a9306 | 2127 | SV *argsv = POPs; |
3bb7c1b4 | 2128 | unsigned int func = POPu; |
533c011a | 2129 | int optype = PL_op->op_type; |
a0d0e21e | 2130 | char *s; |
324aa91a | 2131 | IV retval; |
a0d0e21e | 2132 | GV *gv = (GV*)POPs; |
c289d2f7 | 2133 | IO *io = gv ? GvIOn(gv) : 0; |
a0d0e21e | 2134 | |
748a9306 | 2135 | if (!io || !argsv || !IoIFP(io)) { |
c289d2f7 JH |
2136 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2137 | report_evil_fh(gv, io, PL_op->op_type); | |
91487cfc | 2138 | SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */ |
a0d0e21e LW |
2139 | RETPUSHUNDEF; |
2140 | } | |
2141 | ||
748a9306 | 2142 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2143 | STRLEN len; |
324aa91a | 2144 | STRLEN need; |
748a9306 | 2145 | s = SvPV_force(argsv, len); |
324aa91a HF |
2146 | need = IOCPARM_LEN(func); |
2147 | if (len < need) { | |
2148 | s = Sv_Grow(argsv, need + 1); | |
2149 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2150 | } |
2151 | ||
748a9306 | 2152 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2153 | } |
2154 | else { | |
748a9306 | 2155 | retval = SvIV(argsv); |
c529f79d | 2156 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2157 | } |
2158 | ||
2159 | TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl"); | |
2160 | ||
2161 | if (optype == OP_IOCTL) | |
2162 | #ifdef HAS_IOCTL | |
76e3520e | 2163 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2164 | #else |
cea2e8a9 | 2165 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2166 | #endif |
2167 | else | |
55497cff | 2168 | #ifdef HAS_FCNTL |
2169 | #if defined(OS2) && defined(__EMX__) | |
760ac839 | 2170 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2171 | #else |
760ac839 | 2172 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2173 | #endif |
55497cff | 2174 | #else |
cea2e8a9 | 2175 | DIE(aTHX_ "fcntl is not implemented"); |
a0d0e21e LW |
2176 | #endif |
2177 | ||
748a9306 LW |
2178 | if (SvPOK(argsv)) { |
2179 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2180 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2181 | OP_NAME(PL_op)); |
748a9306 LW |
2182 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2183 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2184 | } |
2185 | ||
2186 | if (retval == -1) | |
2187 | RETPUSHUNDEF; | |
2188 | if (retval != 0) { | |
2189 | PUSHi(retval); | |
2190 | } | |
2191 | else { | |
8903cb82 | 2192 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
2193 | } |
2194 | RETURN; | |
2195 | } | |
2196 | ||
2197 | PP(pp_flock) | |
2198 | { | |
9cad6237 | 2199 | #ifdef FLOCK |
39644a26 | 2200 | dSP; dTARGET; |
a0d0e21e LW |
2201 | I32 value; |
2202 | int argtype; | |
2203 | GV *gv; | |
bc37a18f | 2204 | IO *io = NULL; |
760ac839 | 2205 | PerlIO *fp; |
16d20bd9 | 2206 | |
a0d0e21e | 2207 | argtype = POPi; |
32da55ab | 2208 | if (MAXARG == 0) |
3280af22 | 2209 | gv = PL_last_in_gv; |
a0d0e21e LW |
2210 | else |
2211 | gv = (GV*)POPs; | |
bc37a18f RG |
2212 | if (gv && (io = GvIO(gv))) |
2213 | fp = IoIFP(io); | |
2214 | else { | |
a0d0e21e | 2215 | fp = Nullfp; |
bc37a18f RG |
2216 | io = NULL; |
2217 | } | |
a0d0e21e | 2218 | if (fp) { |
68dc0745 | 2219 | (void)PerlIO_flush(fp); |
76e3520e | 2220 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2221 | } |
cb50131a | 2222 | else { |
bc37a18f RG |
2223 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2224 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 2225 | value = 0; |
91487cfc | 2226 | SETERRNO(EBADF,RMS$_IFI); |
cb50131a | 2227 | } |
a0d0e21e LW |
2228 | PUSHi(value); |
2229 | RETURN; | |
2230 | #else | |
cea2e8a9 | 2231 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2232 | #endif |
2233 | } | |
2234 | ||
2235 | /* Sockets. */ | |
2236 | ||
2237 | PP(pp_socket) | |
2238 | { | |
a0d0e21e | 2239 | #ifdef HAS_SOCKET |
9cad6237 | 2240 | dSP; |
a0d0e21e LW |
2241 | GV *gv; |
2242 | register IO *io; | |
2243 | int protocol = POPi; | |
2244 | int type = POPi; | |
2245 | int domain = POPi; | |
2246 | int fd; | |
2247 | ||
2248 | gv = (GV*)POPs; | |
c289d2f7 | 2249 | io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2250 | |
c289d2f7 JH |
2251 | if (!gv || !io) { |
2252 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
2253 | report_evil_fh(gv, io, PL_op->op_type); | |
2254 | if (IoIFP(io)) | |
2255 | do_close(gv, FALSE); | |
91487cfc | 2256 | SETERRNO(EBADF,LIB$_INVARG); |
a0d0e21e LW |
2257 | RETPUSHUNDEF; |
2258 | } | |
2259 | ||
57171420 BS |
2260 | if (IoIFP(io)) |
2261 | do_close(gv, FALSE); | |
2262 | ||
a0d0e21e | 2263 | TAINT_PROPER("socket"); |
6ad3d225 | 2264 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2265 | if (fd < 0) |
2266 | RETPUSHUNDEF; | |
760ac839 LW |
2267 | IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */ |
2268 | IoOFP(io) = PerlIO_fdopen(fd, "w"); | |
50952442 | 2269 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2270 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2271 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2272 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2273 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2274 | RETPUSHUNDEF; |
2275 | } | |
8d2a6795 GS |
2276 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2277 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2278 | #endif | |
a0d0e21e | 2279 | |
d5ff79b3 OF |
2280 | #ifdef EPOC |
2281 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2282 | #endif | |
2283 | ||
a0d0e21e LW |
2284 | RETPUSHYES; |
2285 | #else | |
cea2e8a9 | 2286 | DIE(aTHX_ PL_no_sock_func, "socket"); |
a0d0e21e LW |
2287 | #endif |
2288 | } | |
2289 | ||
2290 | PP(pp_sockpair) | |
2291 | { | |
83ad58fb | 2292 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
76ffd3b9 | 2293 | dSP; |
a0d0e21e LW |
2294 | GV *gv1; |
2295 | GV *gv2; | |
2296 | register IO *io1; | |
2297 | register IO *io2; | |
2298 | int protocol = POPi; | |
2299 | int type = POPi; | |
2300 | int domain = POPi; | |
2301 | int fd[2]; | |
2302 | ||
2303 | gv2 = (GV*)POPs; | |
2304 | gv1 = (GV*)POPs; | |
c289d2f7 JH |
2305 | io1 = gv1 ? GvIOn(gv1) : NULL; |
2306 | io2 = gv2 ? GvIOn(gv2) : NULL; | |
2307 | if (!gv1 || !gv2 || !io1 || !io2) { | |
2308 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { | |
2309 | if (!gv1 || !io1) | |
2310 | report_evil_fh(gv1, io1, PL_op->op_type); | |
2311 | if (!gv2 || !io2) | |
2312 | report_evil_fh(gv1, io2, PL_op->op_type); | |
2313 | } | |
2314 | if (IoIFP(io1)) | |
2315 | do_close(gv1, FALSE); | |
2316 | if (IoIFP(io2)) | |
2317 | do_close(gv2, FALSE); | |
a0d0e21e | 2318 | RETPUSHUNDEF; |
c289d2f7 | 2319 | } |
a0d0e21e | 2320 | |
dc0d0a5f JH |
2321 | if (IoIFP(io1)) |
2322 | do_close(gv1, FALSE); | |
2323 | if (IoIFP(io2)) | |
2324 | do_close(gv2, FALSE); | |
57171420 | 2325 | |
a0d0e21e | 2326 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2327 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2328 | RETPUSHUNDEF; |
760ac839 LW |
2329 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"); |
2330 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"); | |
50952442 | 2331 | IoTYPE(io1) = IoTYPE_SOCKET; |
760ac839 LW |
2332 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"); |
2333 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"); | |
50952442 | 2334 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2335 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2336 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2337 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2338 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2339 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2340 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2341 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2342 | RETPUSHUNDEF; |
2343 | } | |
8d2a6795 GS |
2344 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2345 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2346 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2347 | #endif | |
a0d0e21e LW |
2348 | |
2349 | RETPUSHYES; | |
2350 | #else | |
cea2e8a9 | 2351 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2352 | #endif |
2353 | } | |
2354 | ||
2355 | PP(pp_bind) | |
2356 | { | |
a0d0e21e | 2357 | #ifdef HAS_SOCKET |
9cad6237 | 2358 | dSP; |
eec2d3df | 2359 | #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */ |
82b3da69 JH |
2360 | extern void GETPRIVMODE(); |
2361 | extern void GETUSERMODE(); | |
eec2d3df | 2362 | #endif |
748a9306 | 2363 | SV *addrsv = POPs; |
a0d0e21e LW |
2364 | char *addr; |
2365 | GV *gv = (GV*)POPs; | |
2366 | register IO *io = GvIOn(gv); | |
2367 | STRLEN len; | |
eec2d3df GS |
2368 | int bind_ok = 0; |
2369 | #ifdef MPE | |
2370 | int mpeprivmode = 0; | |
2371 | #endif | |
a0d0e21e LW |
2372 | |
2373 | if (!io || !IoIFP(io)) | |
2374 | goto nuts; | |
2375 | ||
748a9306 | 2376 | addr = SvPV(addrsv, len); |
a0d0e21e | 2377 | TAINT_PROPER("bind"); |
eec2d3df GS |
2378 | #ifdef MPE /* Deal with MPE bind() peculiarities */ |
2379 | if (((struct sockaddr *)addr)->sa_family == AF_INET) { | |
2380 | /* The address *MUST* stupidly be zero. */ | |
2381 | ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY; | |
2382 | /* PRIV mode is required to bind() to ports < 1024. */ | |
2383 | if (((struct sockaddr_in *)addr)->sin_port < 1024 && | |
2384 | ((struct sockaddr_in *)addr)->sin_port > 0) { | |
2385 | GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */ | |
2386 | mpeprivmode = 1; | |
2387 | } | |
2388 | } | |
2389 | #endif /* MPE */ | |
2390 | if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), | |
2391 | (struct sockaddr *)addr, len) >= 0) | |
2392 | bind_ok = 1; | |
2393 | ||
2394 | #ifdef MPE /* Switch back to USER mode */ | |
2395 | if (mpeprivmode) | |
2396 | GETUSERMODE(); | |
2397 | #endif /* MPE */ | |
2398 | ||
2399 | if (bind_ok) | |
a0d0e21e LW |
2400 | RETPUSHYES; |
2401 | else | |
2402 | RETPUSHUNDEF; | |
2403 | ||
2404 | nuts: | |
599cee73 | 2405 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2406 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2407 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2408 | RETPUSHUNDEF; |
2409 | #else | |
cea2e8a9 | 2410 | DIE(aTHX_ PL_no_sock_func, "bind"); |
a0d0e21e LW |
2411 | #endif |
2412 | } | |
2413 | ||
2414 | PP(pp_connect) | |
2415 | { | |
a0d0e21e | 2416 | #ifdef HAS_SOCKET |
9cad6237 | 2417 | dSP; |
748a9306 | 2418 | SV *addrsv = POPs; |
a0d0e21e LW |
2419 | char *addr; |
2420 | GV *gv = (GV*)POPs; | |
2421 | register IO *io = GvIOn(gv); | |
2422 | STRLEN len; | |
2423 | ||
2424 | if (!io || !IoIFP(io)) | |
2425 | goto nuts; | |
2426 | ||
748a9306 | 2427 | addr = SvPV(addrsv, len); |
a0d0e21e | 2428 | TAINT_PROPER("connect"); |
6ad3d225 | 2429 | if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2430 | RETPUSHYES; |
2431 | else | |
2432 | RETPUSHUNDEF; | |
2433 | ||
2434 | nuts: | |
599cee73 | 2435 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2436 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2437 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2438 | RETPUSHUNDEF; |
2439 | #else | |
cea2e8a9 | 2440 | DIE(aTHX_ PL_no_sock_func, "connect"); |
a0d0e21e LW |
2441 | #endif |
2442 | } | |
2443 | ||
2444 | PP(pp_listen) | |
2445 | { | |
a0d0e21e | 2446 | #ifdef HAS_SOCKET |
9cad6237 | 2447 | dSP; |
a0d0e21e LW |
2448 | int backlog = POPi; |
2449 | GV *gv = (GV*)POPs; | |
c289d2f7 | 2450 | register IO *io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2451 | |
c289d2f7 | 2452 | if (!gv || !io || !IoIFP(io)) |
a0d0e21e LW |
2453 | goto nuts; |
2454 | ||
6ad3d225 | 2455 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2456 | RETPUSHYES; |
2457 | else | |
2458 | RETPUSHUNDEF; | |
2459 | ||
2460 | nuts: | |
599cee73 | 2461 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2462 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2463 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2464 | RETPUSHUNDEF; |
2465 | #else | |
cea2e8a9 | 2466 | DIE(aTHX_ PL_no_sock_func, "listen"); |
a0d0e21e LW |
2467 | #endif |
2468 | } | |
2469 | ||
2470 | PP(pp_accept) | |
2471 | { | |
a0d0e21e | 2472 | #ifdef HAS_SOCKET |
9cad6237 | 2473 | dSP; dTARGET; |
a0d0e21e LW |
2474 | GV *ngv; |
2475 | GV *ggv; | |
2476 | register IO *nstio; | |
2477 | register IO *gstio; | |
4633a7c4 | 2478 | struct sockaddr saddr; /* use a struct to avoid alignment problems */ |
1e422769 | 2479 | Sock_size_t len = sizeof saddr; |
a0d0e21e | 2480 | int fd; |
72f496dc | 2481 | int fd2; |
a0d0e21e LW |
2482 | |
2483 | ggv = (GV*)POPs; | |
2484 | ngv = (GV*)POPs; | |
2485 | ||
2486 | if (!ngv) | |
2487 | goto badexit; | |
2488 | if (!ggv) | |
2489 | goto nuts; | |
2490 | ||
2491 | gstio = GvIO(ggv); | |
2492 | if (!gstio || !IoIFP(gstio)) | |
2493 | goto nuts; | |
2494 | ||
2495 | nstio = GvIOn(ngv); | |
6ad3d225 | 2496 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len); |
a0d0e21e LW |
2497 | if (fd < 0) |
2498 | goto badexit; | |
a70048fb AB |
2499 | if (IoIFP(nstio)) |
2500 | do_close(ngv, FALSE); | |
760ac839 | 2501 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"); |
72f496dc NIS |
2502 | /* FIXME: we dup(fd) here so that refcounting of fd's does not inhibit |
2503 | fclose of IoOFP's FILE * - and hence leak memory. | |
2504 | Special treatment of _this_ case of IoIFP != IoOFP seems wrong. | |
2505 | */ | |
2506 | IoOFP(nstio) = PerlIO_fdopen(fd2 = PerlLIO_dup(fd), "w"); | |
50952442 | 2507 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2508 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2509 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2510 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2511 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2512 | goto badexit; |
2513 | } | |
8d2a6795 GS |
2514 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2515 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
72f496dc | 2516 | fcntl(fd2, F_SETFD, fd2 > PL_maxsysfd); /* ensure close-on-exec */ |
8d2a6795 | 2517 | #endif |
a0d0e21e | 2518 | |
ed79a026 | 2519 | #ifdef EPOC |
a9f1f6b0 OF |
2520 | len = sizeof saddr; /* EPOC somehow truncates info */ |
2521 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ | |
ed79a026 OF |
2522 | #endif |
2523 | ||
748a9306 | 2524 | PUSHp((char *)&saddr, len); |
a0d0e21e LW |
2525 | RETURN; |
2526 | ||
2527 | nuts: | |
599cee73 | 2528 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2529 | report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type); |
91487cfc | 2530 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2531 | |
2532 | badexit: | |
2533 | RETPUSHUNDEF; | |
2534 | ||
2535 | #else | |
cea2e8a9 | 2536 | DIE(aTHX_ PL_no_sock_func, "accept"); |
a0d0e21e LW |
2537 | #endif |
2538 | } | |
2539 | ||
2540 | PP(pp_shutdown) | |
2541 | { | |
a0d0e21e | 2542 | #ifdef HAS_SOCKET |
9cad6237 | 2543 | dSP; dTARGET; |
a0d0e21e LW |
2544 | int how = POPi; |
2545 | GV *gv = (GV*)POPs; | |
2546 | register IO *io = GvIOn(gv); | |
2547 | ||
2548 | if (!io || !IoIFP(io)) | |
2549 | goto nuts; | |
2550 | ||
6ad3d225 | 2551 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2552 | RETURN; |
2553 | ||
2554 | nuts: | |
599cee73 | 2555 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2556 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2557 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2558 | RETPUSHUNDEF; |
2559 | #else | |
cea2e8a9 | 2560 | DIE(aTHX_ PL_no_sock_func, "shutdown"); |
a0d0e21e LW |
2561 | #endif |
2562 | } | |
2563 | ||
2564 | PP(pp_gsockopt) | |
2565 | { | |
2566 | #ifdef HAS_SOCKET | |
cea2e8a9 | 2567 | return pp_ssockopt(); |
a0d0e21e | 2568 | #else |
cea2e8a9 | 2569 | DIE(aTHX_ PL_no_sock_func, "getsockopt"); |
a0d0e21e LW |
2570 | #endif |
2571 | } | |
2572 | ||
2573 | PP(pp_ssockopt) | |
2574 | { | |
a0d0e21e | 2575 | #ifdef HAS_SOCKET |
9cad6237 | 2576 | dSP; |
533c011a | 2577 | int optype = PL_op->op_type; |
a0d0e21e LW |
2578 | SV *sv; |
2579 | int fd; | |
2580 | unsigned int optname; | |
2581 | unsigned int lvl; | |
2582 | GV *gv; | |
2583 | register IO *io; | |
1e422769 | 2584 | Sock_size_t len; |
a0d0e21e LW |
2585 | |
2586 | if (optype == OP_GSOCKOPT) | |
2587 | sv = sv_2mortal(NEWSV(22, 257)); | |
2588 | else | |
2589 | sv = POPs; | |
2590 | optname = (unsigned int) POPi; | |
2591 | lvl = (unsigned int) POPi; | |
2592 | ||
2593 | gv = (GV*)POPs; | |
2594 | io = GvIOn(gv); | |
2595 | if (!io || !IoIFP(io)) | |
2596 | goto nuts; | |
2597 | ||
760ac839 | 2598 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2599 | switch (optype) { |
2600 | case OP_GSOCKOPT: | |
748a9306 | 2601 | SvGROW(sv, 257); |
a0d0e21e | 2602 | (void)SvPOK_only(sv); |
748a9306 LW |
2603 | SvCUR_set(sv,256); |
2604 | *SvEND(sv) ='\0'; | |
1e422769 | 2605 | len = SvCUR(sv); |
6ad3d225 | 2606 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2607 | goto nuts2; |
1e422769 | 2608 | SvCUR_set(sv, len); |
748a9306 | 2609 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2610 | PUSHs(sv); |
2611 | break; | |
2612 | case OP_SSOCKOPT: { | |
1e422769 | 2613 | char *buf; |
2614 | int aint; | |
2615 | if (SvPOKp(sv)) { | |
2d8e6c8d GS |
2616 | STRLEN l; |
2617 | buf = SvPV(sv, l); | |
2618 | len = l; | |
1e422769 | 2619 | } |
56ee1660 | 2620 | else { |
a0d0e21e LW |
2621 | aint = (int)SvIV(sv); |
2622 | buf = (char*)&aint; | |
2623 | len = sizeof(int); | |
2624 | } | |
6ad3d225 | 2625 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2626 | goto nuts2; |
3280af22 | 2627 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2628 | } |
2629 | break; | |
2630 | } | |
2631 | RETURN; | |
2632 | ||
2633 | nuts: | |
599cee73 | 2634 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2635 | report_evil_fh(gv, io, optype); |
91487cfc | 2636 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2637 | nuts2: |
2638 | RETPUSHUNDEF; | |
2639 | ||
2640 | #else | |
cea2e8a9 | 2641 | DIE(aTHX_ PL_no_sock_func, "setsockopt"); |
a0d0e21e LW |
2642 | #endif |
2643 | } | |
2644 | ||
2645 | PP(pp_getsockname) | |
2646 | { | |
2647 | #ifdef HAS_SOCKET | |
cea2e8a9 | 2648 | return pp_getpeername(); |
a0d0e21e | 2649 | #else |
cea2e8a9 | 2650 | DIE(aTHX_ PL_no_sock_func, "getsockname"); |
a0d0e21e LW |
2651 | #endif |
2652 | } | |
2653 | ||
2654 | PP(pp_getpeername) | |
2655 | { | |
a0d0e21e | 2656 | #ifdef HAS_SOCKET |
9cad6237 | 2657 | dSP; |
533c011a | 2658 | int optype = PL_op->op_type; |
a0d0e21e LW |
2659 | SV *sv; |
2660 | int fd; | |
2661 | GV *gv = (GV*)POPs; | |
2662 | register IO *io = GvIOn(gv); | |
1e422769 | 2663 | Sock_size_t len; |
a0d0e21e LW |
2664 | |
2665 | if (!io || !IoIFP(io)) | |
2666 | goto nuts; | |
2667 | ||
2668 | sv = sv_2mortal(NEWSV(22, 257)); | |
748a9306 | 2669 | (void)SvPOK_only(sv); |
1e422769 | 2670 | len = 256; |
2671 | SvCUR_set(sv, len); | |
748a9306 | 2672 | *SvEND(sv) ='\0'; |
760ac839 | 2673 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2674 | switch (optype) { |
2675 | case OP_GETSOCKNAME: | |
6ad3d225 | 2676 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2677 | goto nuts2; |
2678 | break; | |
2679 | case OP_GETPEERNAME: | |
6ad3d225 | 2680 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2681 | goto nuts2; |
490ab354 JH |
2682 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2683 | { | |
2684 | 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"; | |
2685 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
2686 | if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET && | |
2687 | !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere, | |
2688 | sizeof(u_short) + sizeof(struct in_addr))) { | |
301e8125 | 2689 | goto nuts2; |
490ab354 JH |
2690 | } |
2691 | } | |
2692 | #endif | |
a0d0e21e LW |
2693 | break; |
2694 | } | |
13826f2c CS |
2695 | #ifdef BOGUS_GETNAME_RETURN |
2696 | /* Interactive Unix, getpeername() and getsockname() | |
2697 | does not return valid namelen */ | |
1e422769 | 2698 | if (len == BOGUS_GETNAME_RETURN) |
2699 | len = sizeof(struct sockaddr); | |
13826f2c | 2700 | #endif |
1e422769 | 2701 | SvCUR_set(sv, len); |
748a9306 | 2702 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2703 | PUSHs(sv); |
2704 | RETURN; | |
2705 | ||
2706 | nuts: | |
599cee73 | 2707 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2708 | report_evil_fh(gv, io, optype); |
91487cfc | 2709 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2710 | nuts2: |
2711 | RETPUSHUNDEF; | |
2712 | ||
2713 | #else | |
cea2e8a9 | 2714 | DIE(aTHX_ PL_no_sock_func, "getpeername"); |
a0d0e21e LW |
2715 | #endif |
2716 | } | |
2717 | ||
2718 | /* Stat calls. */ | |
2719 | ||
2720 | PP(pp_lstat) | |
2721 | { | |
cea2e8a9 | 2722 | return pp_stat(); |
a0d0e21e LW |
2723 | } |
2724 | ||
2725 | PP(pp_stat) | |
2726 | { | |
39644a26 | 2727 | dSP; |
2dd78f96 | 2728 | GV *gv; |
54310121 | 2729 | I32 gimme; |
a0d0e21e | 2730 | I32 max = 13; |
2d8e6c8d | 2731 | STRLEN n_a; |
a0d0e21e | 2732 | |
533c011a | 2733 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2734 | gv = cGVOP_gv; |
8a4e5b40 | 2735 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de RGS |
2736 | if (gv != PL_defgv) { |
2737 | if (ckWARN(WARN_IO)) | |
9014280d | 2738 | Perl_warner(aTHX_ packWARN(WARN_IO), |
5d3e98de RGS |
2739 | "lstat() on filehandle %s", GvENAME(gv)); |
2740 | } else if (PL_laststype != OP_LSTAT) | |
8a4e5b40 | 2741 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2742 | } |
2743 | ||
748a9306 | 2744 | do_fstat: |
2dd78f96 | 2745 | if (gv != PL_defgv) { |
3280af22 | 2746 | PL_laststype = OP_STAT; |
2dd78f96 | 2747 | PL_statgv = gv; |
3280af22 | 2748 | sv_setpv(PL_statname, ""); |
2dd78f96 JH |
2749 | PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv)) |
2750 | ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1); | |
a0d0e21e | 2751 | } |
9ddeeac9 | 2752 | if (PL_laststatval < 0) { |
2dd78f96 JH |
2753 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2754 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); | |
a0d0e21e | 2755 | max = 0; |
9ddeeac9 | 2756 | } |
a0d0e21e LW |
2757 | } |
2758 | else { | |
748a9306 LW |
2759 | SV* sv = POPs; |
2760 | if (SvTYPE(sv) == SVt_PVGV) { | |
2dd78f96 | 2761 | gv = (GV*)sv; |
748a9306 LW |
2762 | goto do_fstat; |
2763 | } | |
2764 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 2765 | gv = (GV*)SvRV(sv); |
5d3e98de | 2766 | if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO)) |
9014280d | 2767 | Perl_warner(aTHX_ packWARN(WARN_IO), |
5d3e98de | 2768 | "lstat() on filehandle %s", GvENAME(gv)); |
748a9306 LW |
2769 | goto do_fstat; |
2770 | } | |
2d8e6c8d | 2771 | sv_setpv(PL_statname, SvPV(sv,n_a)); |
3280af22 | 2772 | PL_statgv = Nullgv; |
a0d0e21e | 2773 | #ifdef HAS_LSTAT |
533c011a NIS |
2774 | PL_laststype = PL_op->op_type; |
2775 | if (PL_op->op_type == OP_LSTAT) | |
2d8e6c8d | 2776 | PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache); |
a0d0e21e LW |
2777 | else |
2778 | #endif | |
2d8e6c8d | 2779 | PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache); |
3280af22 | 2780 | if (PL_laststatval < 0) { |
2d8e6c8d | 2781 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n')) |
9014280d | 2782 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
a0d0e21e LW |
2783 | max = 0; |
2784 | } | |
2785 | } | |
2786 | ||
54310121 | 2787 | gimme = GIMME_V; |
2788 | if (gimme != G_ARRAY) { | |
2789 | if (gimme != G_VOID) | |
2790 | XPUSHs(boolSV(max)); | |
2791 | RETURN; | |
a0d0e21e LW |
2792 | } |
2793 | if (max) { | |
36477c24 | 2794 | EXTEND(SP, max); |
2795 | EXTEND_MORTAL(max); | |
1ff81528 PL |
2796 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); |
2797 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); | |
b448e4fe JH |
2798 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); |
2799 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); | |
146174a9 CB |
2800 | #if Uid_t_size > IVSIZE |
2801 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); | |
2802 | #else | |
23dcd6c8 | 2803 | # if Uid_t_sign <= 0 |
1ff81528 | 2804 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); |
23dcd6c8 JH |
2805 | # else |
2806 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); | |
2807 | # endif | |
146174a9 | 2808 | #endif |
301e8125 | 2809 | #if Gid_t_size > IVSIZE |
146174a9 CB |
2810 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); |
2811 | #else | |
23dcd6c8 | 2812 | # if Gid_t_sign <= 0 |
1ff81528 | 2813 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); |
23dcd6c8 JH |
2814 | # else |
2815 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); | |
2816 | # endif | |
146174a9 | 2817 | #endif |
cbdc8872 | 2818 | #ifdef USE_STAT_RDEV |
1ff81528 | 2819 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); |
cbdc8872 | 2820 | #else |
79cb57f6 | 2821 | PUSHs(sv_2mortal(newSVpvn("", 0))); |
cbdc8872 | 2822 | #endif |
146174a9 CB |
2823 | #if Off_t_size > IVSIZE |
2824 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size))); | |
2825 | #else | |
1ff81528 | 2826 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); |
146174a9 | 2827 | #endif |
cbdc8872 | 2828 | #ifdef BIG_TIME |
172ae379 JH |
2829 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); |
2830 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); | |
2831 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); | |
cbdc8872 | 2832 | #else |
1ff81528 PL |
2833 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime))); |
2834 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime))); | |
2835 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime))); | |
cbdc8872 | 2836 | #endif |
a0d0e21e | 2837 | #ifdef USE_STAT_BLOCKS |
b448e4fe JH |
2838 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); |
2839 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); | |
a0d0e21e | 2840 | #else |
79cb57f6 GS |
2841 | PUSHs(sv_2mortal(newSVpvn("", 0))); |
2842 | PUSHs(sv_2mortal(newSVpvn("", 0))); | |
a0d0e21e LW |
2843 | #endif |
2844 | } | |
2845 | RETURN; | |
2846 | } | |
2847 | ||
2848 | PP(pp_ftrread) | |
2849 | { | |
9cad6237 | 2850 | I32 result; |
2a3ff820 | 2851 | dSP; |
5ff3f7a4 | 2852 | #if defined(HAS_ACCESS) && defined(R_OK) |
2d8e6c8d | 2853 | STRLEN n_a; |
5ff3f7a4 | 2854 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2855 | result = access(TOPpx, R_OK); |
5ff3f7a4 GS |
2856 | if (result == 0) |
2857 | RETPUSHYES; | |
2858 | if (result < 0) | |
2859 | RETPUSHUNDEF; | |
2860 | RETPUSHNO; | |
22865c03 GS |
2861 | } |
2862 | else | |
cea2e8a9 | 2863 | result = my_stat(); |
5ff3f7a4 | 2864 | #else |
cea2e8a9 | 2865 | result = my_stat(); |
5ff3f7a4 | 2866 | #endif |
22865c03 | 2867 | SPAGAIN; |
a0d0e21e LW |
2868 | if (result < 0) |
2869 | RETPUSHUNDEF; | |
3280af22 | 2870 | if (cando(S_IRUSR, 0, &PL_statcache)) |
a0d0e21e LW |
2871 | RETPUSHYES; |
2872 | RETPUSHNO; | |
2873 | } | |
2874 | ||
2875 | PP(pp_ftrwrite) | |
2876 | { | |
9cad6237 | 2877 | I32 result; |
2a3ff820 | 2878 | dSP; |
5ff3f7a4 | 2879 | #if defined(HAS_ACCESS) && defined(W_OK) |
2d8e6c8d | 2880 | STRLEN n_a; |
5ff3f7a4 | 2881 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2882 | result = access(TOPpx, W_OK); |
5ff3f7a4 GS |
2883 | if (result == 0) |
2884 | RETPUSHYES; | |
2885 | if (result < 0) | |
2886 | RETPUSHUNDEF; | |
2887 | RETPUSHNO; | |
22865c03 GS |
2888 | } |
2889 | else | |
cea2e8a9 | 2890 | result = my_stat(); |
5ff3f7a4 | 2891 | #else |
cea2e8a9 | 2892 | result = my_stat(); |
5ff3f7a4 | 2893 | #endif |
22865c03 | 2894 | SPAGAIN; |
a0d0e21e LW |
2895 | if (result < 0) |
2896 | RETPUSHUNDEF; | |
3280af22 | 2897 | if (cando(S_IWUSR, 0, &PL_statcache)) |
a0d0e21e LW |
2898 | RETPUSHYES; |
2899 | RETPUSHNO; | |
2900 | } | |
2901 | ||
2902 | PP(pp_ftrexec) | |
2903 | { | |
9cad6237 | 2904 | I32 result; |
2a3ff820 | 2905 | dSP; |
5ff3f7a4 | 2906 | #if defined(HAS_ACCESS) && defined(X_OK) |
2d8e6c8d | 2907 | STRLEN n_a; |
5ff3f7a4 | 2908 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2909 | result = access(TOPpx, X_OK); |
5ff3f7a4 GS |
2910 | if (result == 0) |
2911 | RETPUSHYES; | |
2912 | if (result < 0) | |
2913 | RETPUSHUNDEF; | |
2914 | RETPUSHNO; | |
22865c03 GS |
2915 | } |
2916 | else | |
cea2e8a9 | 2917 | result = my_stat(); |
5ff3f7a4 | 2918 | #else |
cea2e8a9 | 2919 | result = my_stat(); |
5ff3f7a4 | 2920 | #endif |
22865c03 | 2921 | SPAGAIN; |
a0d0e21e LW |
2922 | if (result < 0) |
2923 | RETPUSHUNDEF; | |
3280af22 | 2924 | if (cando(S_IXUSR, 0, &PL_statcache)) |
a0d0e21e LW |
2925 | RETPUSHYES; |
2926 | RETPUSHNO; | |
2927 | } | |
2928 | ||
2929 | PP(pp_fteread) | |
2930 | { | |
9cad6237 | 2931 | I32 result; |
2a3ff820 | 2932 | dSP; |
5ff3f7a4 | 2933 | #ifdef PERL_EFF_ACCESS_R_OK |
2d8e6c8d | 2934 | STRLEN n_a; |
5ff3f7a4 | 2935 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2936 | result = PERL_EFF_ACCESS_R_OK(TOPpx); |
5ff3f7a4 GS |
2937 | if (result == 0) |
2938 | RETPUSHYES; | |
2939 | if (result < 0) | |
2940 | RETPUSHUNDEF; | |
2941 | RETPUSHNO; | |
22865c03 GS |
2942 | } |
2943 | else | |
cea2e8a9 | 2944 | result = my_stat(); |
5ff3f7a4 | 2945 | #else |
cea2e8a9 | 2946 | result = my_stat(); |
5ff3f7a4 | 2947 | #endif |
22865c03 | 2948 | SPAGAIN; |
a0d0e21e LW |
2949 | if (result < 0) |
2950 | RETPUSHUNDEF; | |
3280af22 | 2951 | if (cando(S_IRUSR, 1, &PL_statcache)) |
a0d0e21e LW |
2952 | RETPUSHYES; |
2953 | RETPUSHNO; | |
2954 | } | |
2955 | ||
2956 | PP(pp_ftewrite) | |
2957 | { | |
9cad6237 | 2958 | I32 result; |
2a3ff820 | 2959 | dSP; |
5ff3f7a4 | 2960 | #ifdef PERL_EFF_ACCESS_W_OK |
2d8e6c8d | 2961 | STRLEN n_a; |
5ff3f7a4 | 2962 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2963 | result = PERL_EFF_ACCESS_W_OK(TOPpx); |
5ff3f7a4 GS |
2964 | if (result == 0) |
2965 | RETPUSHYES; | |
2966 | if (result < 0) | |
2967 | RETPUSHUNDEF; | |
2968 | RETPUSHNO; | |
22865c03 GS |
2969 | } |
2970 | else | |
cea2e8a9 | 2971 | result = my_stat(); |
5ff3f7a4 | 2972 | #else |
cea2e8a9 | 2973 | result = my_stat(); |
5ff3f7a4 | 2974 | #endif |
22865c03 | 2975 | SPAGAIN; |
a0d0e21e LW |
2976 | if (result < 0) |
2977 | RETPUSHUNDEF; | |
3280af22 | 2978 | if (cando(S_IWUSR, 1, &PL_statcache)) |
a0d0e21e LW |
2979 | RETPUSHYES; |
2980 | RETPUSHNO; | |
2981 | } | |
2982 | ||
2983 | PP(pp_fteexec) | |
2984 | { | |
9cad6237 | 2985 | I32 result; |
2a3ff820 | 2986 | dSP; |
5ff3f7a4 | 2987 | #ifdef PERL_EFF_ACCESS_X_OK |
2d8e6c8d | 2988 | STRLEN n_a; |
5ff3f7a4 | 2989 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2990 | result = PERL_EFF_ACCESS_X_OK(TOPpx); |
5ff3f7a4 GS |
2991 | if (result == 0) |
2992 | RETPUSHYES; | |
2993 | if (result < 0) | |
2994 | RETPUSHUNDEF; | |
2995 | RETPUSHNO; | |
22865c03 GS |
2996 | } |
2997 | else | |
cea2e8a9 | 2998 | result = my_stat(); |
5ff3f7a4 | 2999 | #else |
cea2e8a9 | 3000 | result = my_stat(); |
5ff3f7a4 | 3001 | #endif |
22865c03 | 3002 | SPAGAIN; |
a0d0e21e LW |
3003 | if (result < 0) |
3004 | RETPUSHUNDEF; | |
3280af22 | 3005 | if (cando(S_IXUSR, 1, &PL_statcache)) |
a0d0e21e LW |
3006 | RETPUSHYES; |
3007 | RETPUSHNO; | |
3008 | } | |
3009 | ||
3010 | PP(pp_ftis) | |
3011 | { | |
9cad6237 | 3012 | I32 result = my_stat(); |
2a3ff820 | 3013 | dSP; |
a0d0e21e LW |
3014 | if (result < 0) |
3015 | RETPUSHUNDEF; | |
3016 | RETPUSHYES; | |
3017 | } | |
3018 | ||
3019 | PP(pp_fteowned) | |
3020 | { | |
cea2e8a9 | 3021 | return pp_ftrowned(); |
a0d0e21e LW |
3022 | } |
3023 | ||
3024 | PP(pp_ftrowned) | |
3025 | { | |
9cad6237 | 3026 | I32 result = my_stat(); |
2a3ff820 | 3027 | dSP; |
a0d0e21e LW |
3028 | if (result < 0) |
3029 | RETPUSHUNDEF; | |
146174a9 CB |
3030 | if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? |
3031 | PL_euid : PL_uid) ) | |
a0d0e21e LW |
3032 | RETPUSHYES; |
3033 | RETPUSHNO; | |
3034 | } | |
3035 | ||
3036 | PP(pp_ftzero) | |
3037 | { | |
9cad6237 | 3038 | I32 result = my_stat(); |
2a3ff820 | 3039 | dSP; |
a0d0e21e LW |
3040 | if (result < 0) |
3041 | RETPUSHUNDEF; | |
146174a9 | 3042 | if (PL_statcache.st_size == 0) |
a0d0e21e LW |
3043 | RETPUSHYES; |
3044 | RETPUSHNO; | |
3045 | } | |
3046 | ||
3047 | PP(pp_ftsize) | |
3048 | { | |
9cad6237 | 3049 | I32 result = my_stat(); |
2a3ff820 | 3050 | dSP; dTARGET; |
a0d0e21e LW |
3051 | if (result < 0) |
3052 | RETPUSHUNDEF; | |
146174a9 CB |
3053 | #if Off_t_size > IVSIZE |
3054 | PUSHn(PL_statcache.st_size); | |
3055 | #else | |
3280af22 | 3056 | PUSHi(PL_statcache.st_size); |
146174a9 | 3057 | #endif |
a0d0e21e LW |
3058 | RETURN; |
3059 | } | |
3060 | ||
3061 | PP(pp_ftmtime) | |
3062 | { | |
9cad6237 | 3063 | I32 result = my_stat(); |
2a3ff820 | 3064 | dSP; dTARGET; |
a0d0e21e LW |
3065 | if (result < 0) |
3066 | RETPUSHUNDEF; | |
c6419e06 | 3067 | PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 ); |
a0d0e21e LW |
3068 | RETURN; |
3069 | } | |
3070 | ||
3071 | PP(pp_ftatime) | |
3072 | { | |
9cad6237 | 3073 | I32 result = my_stat(); |
2a3ff820 | 3074 | dSP; dTARGET; |
a0d0e21e LW |
3075 | if (result < 0) |
3076 | RETPUSHUNDEF; | |
c6419e06 | 3077 | PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 ); |
a0d0e21e LW |
3078 | RETURN; |
3079 | } | |
3080 | ||
3081 | PP(pp_ftctime) | |
3082 | { | |
9cad6237 | 3083 | I32 result = my_stat(); |
2a3ff820 | 3084 | dSP; dTARGET; |
a0d0e21e LW |
3085 | if (result < 0) |
3086 | RETPUSHUNDEF; | |
c6419e06 | 3087 | PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 ); |
a0d0e21e LW |
3088 | RETURN; |
3089 | } | |
3090 | ||
3091 | PP(pp_ftsock) | |
3092 | { | |
9cad6237 | 3093 | I32 result = my_stat(); |
2a3ff820 | 3094 | dSP; |
a0d0e21e LW |
3095 | if (result < 0) |
3096 | RETPUSHUNDEF; | |
3280af22 | 3097 | if (S_ISSOCK(PL_statcache.st_mode)) |
a0d0e21e LW |
3098 | RETPUSHYES; |
3099 | RETPUSHNO; | |
3100 | } | |
3101 | ||
3102 | PP(pp_ftchr) | |
3103 | { | |
9cad6237 | 3104 | I32 result = my_stat(); |
2a3ff820 | 3105 | dSP; |
a0d0e21e LW |
3106 | if (result < 0) |
3107 | RETPUSHUNDEF; | |
3280af22 | 3108 | if (S_ISCHR(PL_statcache.st_mode)) |
a0d0e21e LW |
3109 | RETPUSHYES; |
3110 | RETPUSHNO; | |
3111 | } | |
3112 | ||
3113 | PP(pp_ftblk) | |
3114 | { | |
9cad6237 | 3115 | I32 result = my_stat(); |
2a3ff820 | 3116 | dSP; |
a0d0e21e LW |
3117 | if (result < 0) |
3118 | RETPUSHUNDEF; | |
3280af22 | 3119 | if (S_ISBLK(PL_statcache.st_mode)) |
a0d0e21e LW |
3120 | RETPUSHYES; |
3121 | RETPUSHNO; | |
3122 | } | |
3123 | ||
3124 | PP(pp_ftfile) | |
3125 | { | |
9cad6237 | 3126 | I32 result = my_stat(); |
2a3ff820 | 3127 | dSP; |
a0d0e21e LW |
3128 | if (result < 0) |
3129 | RETPUSHUNDEF; | |
3280af22 | 3130 | if (S_ISREG(PL_statcache.st_mode)) |
a0d0e21e LW |
3131 | RETPUSHYES; |
3132 | RETPUSHNO; | |
3133 | } | |
3134 | ||
3135 | PP(pp_ftdir) | |
3136 | { | |
9cad6237 | 3137 | I32 result = my_stat(); |
2a3ff820 | 3138 | dSP; |
a0d0e21e LW |
3139 | if (result < 0) |
3140 | RETPUSHUNDEF; | |
3280af22 | 3141 | if (S_ISDIR(PL_statcache.st_mode)) |
a0d0e21e LW |
3142 | RETPUSHYES; |
3143 | RETPUSHNO; | |
3144 | } | |
3145 | ||
3146 | PP(pp_ftpipe) | |
3147 | { | |
9cad6237 | 3148 | I32 result = my_stat(); |
2a3ff820 | 3149 | dSP; |
a0d0e21e LW |
3150 | if (result < 0) |
3151 | RETPUSHUNDEF; | |
3280af22 | 3152 | if (S_ISFIFO(PL_statcache.st_mode)) |
a0d0e21e LW |
3153 | RETPUSHYES; |
3154 | RETPUSHNO; | |
3155 | } | |
3156 | ||
3157 | PP(pp_ftlink) | |
3158 | { | |
9cad6237 | 3159 | I32 result = my_lstat(); |
2a3ff820 | 3160 | dSP; |
a0d0e21e LW |
3161 | if (result < 0) |
3162 | RETPUSHUNDEF; | |
3280af22 | 3163 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e LW |
3164 | RETPUSHYES; |
3165 | RETPUSHNO; | |
3166 | } | |
3167 | ||
3168 | PP(pp_ftsuid) | |
3169 | { | |
39644a26 | 3170 | dSP; |
a0d0e21e | 3171 | #ifdef S_ISUID |
cea2e8a9 | 3172 | I32 result = my_stat(); |
a0d0e21e LW |
3173 | SPAGAIN; |
3174 | if (result < 0) | |
3175 | RETPUSHUNDEF; | |
3280af22 | 3176 | if (PL_statcache.st_mode & S_ISUID) |
a0d0e21e LW |
3177 | RETPUSHYES; |
3178 | #endif | |
3179 | RETPUSHNO; | |
3180 | } | |
3181 | ||
3182 | PP(pp_ftsgid) | |
3183 | { | |
39644a26 | 3184 | dSP; |
a0d0e21e | 3185 | #ifdef S_ISGID |
cea2e8a9 | 3186 | I32 result = my_stat(); |
a0d0e21e LW |
3187 | SPAGAIN; |
3188 | if (result < 0) | |
3189 | RETPUSHUNDEF; | |
3280af22 | 3190 | if (PL_statcache.st_mode & S_ISGID) |
a0d0e21e LW |
3191 | RETPUSHYES; |
3192 | #endif | |
3193 | RETPUSHNO; | |
3194 | } | |
3195 | ||
3196 | PP(pp_ftsvtx) | |
3197 | { | |
39644a26 | 3198 | dSP; |
a0d0e21e | 3199 | #ifdef S_ISVTX |
cea2e8a9 | 3200 | I32 result = my_stat(); |
a0d0e21e LW |
3201 | SPAGAIN; |
3202 | if (result < 0) | |
3203 | RETPUSHUNDEF; | |
3280af22 | 3204 | if (PL_statcache.st_mode & S_ISVTX) |
a0d0e21e LW |
3205 | RETPUSHYES; |
3206 | #endif | |
3207 | RETPUSHNO; | |
3208 | } | |
3209 | ||
3210 | PP(pp_fttty) | |
3211 | { | |
39644a26 | 3212 | dSP; |
a0d0e21e LW |
3213 | int fd; |
3214 | GV *gv; | |
fb73857a | 3215 | char *tmps = Nullch; |
2d8e6c8d | 3216 | STRLEN n_a; |
fb73857a | 3217 | |
533c011a | 3218 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3219 | gv = cGVOP_gv; |
fb73857a | 3220 | else if (isGV(TOPs)) |
3221 | gv = (GV*)POPs; | |
3222 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3223 | gv = (GV*)SvRV(POPs); | |
a0d0e21e | 3224 | else |
2d8e6c8d | 3225 | gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO); |
fb73857a | 3226 | |
a0d0e21e | 3227 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3228 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
fb73857a | 3229 | else if (tmps && isDIGIT(*tmps)) |
a0d0e21e LW |
3230 | fd = atoi(tmps); |
3231 | else | |
3232 | RETPUSHUNDEF; | |
6ad3d225 | 3233 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3234 | RETPUSHYES; |
3235 | RETPUSHNO; | |
3236 | } | |
3237 | ||
16d20bd9 AD |
3238 | #if defined(atarist) /* this will work with atariST. Configure will |
3239 | make guesses for other systems. */ | |
3240 | # define FILE_base(f) ((f)->_base) | |
3241 | # define FILE_ptr(f) ((f)->_ptr) | |
3242 | # define FILE_cnt(f) ((f)->_cnt) | |
3243 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3244 | #endif |
3245 | ||
3246 | PP(pp_fttext) | |
3247 | { | |
39644a26 | 3248 | dSP; |
a0d0e21e LW |
3249 | I32 i; |
3250 | I32 len; | |
3251 | I32 odd = 0; | |
3252 | STDCHAR tbuf[512]; | |
3253 | register STDCHAR *s; | |
3254 | register IO *io; | |
5f05dabc | 3255 | register SV *sv; |
3256 | GV *gv; | |
2d8e6c8d | 3257 | STRLEN n_a; |
146174a9 | 3258 | PerlIO *fp; |
a0d0e21e | 3259 | |
533c011a | 3260 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3261 | gv = cGVOP_gv; |
5f05dabc | 3262 | else if (isGV(TOPs)) |
3263 | gv = (GV*)POPs; | |
3264 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3265 | gv = (GV*)SvRV(POPs); | |
3266 | else | |
3267 | gv = Nullgv; | |
3268 | ||
3269 | if (gv) { | |
a0d0e21e | 3270 | EXTEND(SP, 1); |
3280af22 NIS |
3271 | if (gv == PL_defgv) { |
3272 | if (PL_statgv) | |
3273 | io = GvIO(PL_statgv); | |
a0d0e21e | 3274 | else { |
3280af22 | 3275 | sv = PL_statname; |
a0d0e21e LW |
3276 | goto really_filename; |
3277 | } | |
3278 | } | |
3279 | else { | |
3280af22 NIS |
3280 | PL_statgv = gv; |
3281 | PL_laststatval = -1; | |
3282 | sv_setpv(PL_statname, ""); | |
3283 | io = GvIO(PL_statgv); | |
a0d0e21e LW |
3284 | } |
3285 | if (io && IoIFP(io)) { | |
5f05dabc | 3286 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3287 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3288 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3289 | if (PL_laststatval < 0) | |
5f05dabc | 3290 | RETPUSHUNDEF; |
9cbac4c7 | 3291 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3292 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3293 | RETPUSHNO; |
3294 | else | |
3295 | RETPUSHYES; | |
9cbac4c7 | 3296 | } |
a20bf0c3 | 3297 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3298 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3299 | if (i != EOF) |
760ac839 | 3300 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3301 | } |
a20bf0c3 | 3302 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3303 | RETPUSHYES; |
a20bf0c3 JH |
3304 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3305 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3306 | /* sfio can have large buffers - limit to 512 */ |
3307 | if (len > 512) | |
3308 | len = 512; | |
a0d0e21e LW |
3309 | } |
3310 | else { | |
2dd78f96 | 3311 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
146174a9 | 3312 | gv = cGVOP_gv; |
2dd78f96 | 3313 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); |
146174a9 | 3314 | } |
91487cfc | 3315 | SETERRNO(EBADF,RMS$_IFI); |
a0d0e21e LW |
3316 | RETPUSHUNDEF; |
3317 | } | |
3318 | } | |
3319 | else { | |
3320 | sv = POPs; | |
5f05dabc | 3321 | really_filename: |
3280af22 NIS |
3322 | PL_statgv = Nullgv; |
3323 | PL_laststatval = -1; | |
5c9aa243 | 3324 | PL_laststype = OP_STAT; |
2d8e6c8d | 3325 | sv_setpv(PL_statname, SvPV(sv, n_a)); |
146174a9 | 3326 | if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) { |
2d8e6c8d | 3327 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n')) |
9014280d | 3328 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
a0d0e21e LW |
3329 | RETPUSHUNDEF; |
3330 | } | |
146174a9 CB |
3331 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3332 | if (PL_laststatval < 0) { | |
3333 | (void)PerlIO_close(fp); | |
5f05dabc | 3334 | RETPUSHUNDEF; |
146174a9 | 3335 | } |
60382766 | 3336 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch); |
146174a9 CB |
3337 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3338 | (void)PerlIO_close(fp); | |
a0d0e21e | 3339 | if (len <= 0) { |
533c011a | 3340 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3341 | RETPUSHNO; /* special case NFS directories */ |
3342 | RETPUSHYES; /* null file is anything */ | |
3343 | } | |
3344 | s = tbuf; | |
3345 | } | |
3346 | ||
3347 | /* now scan s to look for textiness */ | |
4633a7c4 | 3348 | /* XXX ASCII dependent code */ |
a0d0e21e | 3349 | |
146174a9 CB |
3350 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3351 | /* ignore trailing ^Z on short files */ | |
3352 | if (len && len < sizeof(tbuf) && tbuf[len-1] == 26) | |
3353 | --len; | |
3354 | #endif | |
3355 | ||
a0d0e21e LW |
3356 | for (i = 0; i < len; i++, s++) { |
3357 | if (!*s) { /* null never allowed in text */ | |
3358 | odd += len; | |
3359 | break; | |
3360 | } | |
9d116dd7 | 3361 | #ifdef EBCDIC |
301e8125 | 3362 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3363 | odd++; |
3364 | #else | |
146174a9 CB |
3365 | else if (*s & 128) { |
3366 | #ifdef USE_LOCALE | |
2de3dbcc | 3367 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3368 | continue; |
3369 | #endif | |
3370 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3371 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3372 | int ulen = UTF8SKIP(s); |
3373 | if (ulen < len - i) { | |
3374 | int j; | |
3375 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3376 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3377 | goto not_utf8; |
3378 | } | |
3379 | --ulen; /* loop does extra increment */ | |
3380 | s += ulen; | |
3381 | i += ulen; | |
3382 | continue; | |
3383 | } | |
3384 | } | |
3385 | not_utf8: | |
3386 | odd++; | |
146174a9 | 3387 | } |
a0d0e21e LW |
3388 | else if (*s < 32 && |
3389 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3390 | *s != '\t' && *s != '\f' && *s != 27) | |
3391 | odd++; | |
9d116dd7 | 3392 | #endif |
a0d0e21e LW |
3393 | } |
3394 | ||
533c011a | 3395 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3396 | RETPUSHNO; |
3397 | else | |
3398 | RETPUSHYES; | |
3399 | } | |
3400 | ||
3401 | PP(pp_ftbinary) | |
3402 | { | |
cea2e8a9 | 3403 | return pp_fttext(); |
a0d0e21e LW |
3404 | } |
3405 | ||
3406 | /* File calls. */ | |
3407 | ||
3408 | PP(pp_chdir) | |
3409 | { | |
39644a26 | 3410 | dSP; dTARGET; |
a0d0e21e LW |
3411 | char *tmps; |
3412 | SV **svp; | |
2d8e6c8d | 3413 | STRLEN n_a; |
a0d0e21e | 3414 | |
35ae6b54 MS |
3415 | if( MAXARG == 1 ) |
3416 | tmps = POPpx; | |
3417 | else | |
3418 | tmps = 0; | |
3419 | ||
3420 | if( !tmps || !*tmps ) { | |
3421 | if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE)) | |
3422 | || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE)) | |
491527d0 | 3423 | #ifdef VMS |
35ae6b54 | 3424 | || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE)) |
491527d0 | 3425 | #endif |
35ae6b54 MS |
3426 | ) |
3427 | { | |
3428 | if( MAXARG == 1 ) | |
9014280d | 3429 | deprecate("chdir('') or chdir(undef) as chdir()"); |
35ae6b54 MS |
3430 | tmps = SvPV(*svp, n_a); |
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"); |
6ad3d225 | 3440 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3441 | #ifdef VMS |
3442 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3443 | * in the future. */ | |
6b88bc9c | 3444 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3445 | #endif |
a0d0e21e LW |
3446 | RETURN; |
3447 | } | |
3448 | ||
3449 | PP(pp_chown) | |
3450 | { | |
a0d0e21e | 3451 | #ifdef HAS_CHOWN |
76ffd3b9 IZ |
3452 | dSP; dMARK; dTARGET; |
3453 | I32 value = (I32)apply(PL_op->op_type, MARK, SP); | |
3454 | ||
a0d0e21e LW |
3455 | SP = MARK; |
3456 | PUSHi(value); | |
3457 | RETURN; | |
3458 | #else | |
0322a713 | 3459 | DIE(aTHX_ PL_no_func, "chown"); |
a0d0e21e LW |
3460 | #endif |
3461 | } | |
3462 | ||
3463 | PP(pp_chroot) | |
3464 | { | |
a0d0e21e | 3465 | #ifdef HAS_CHROOT |
76ffd3b9 | 3466 | dSP; dTARGET; |
2d8e6c8d | 3467 | STRLEN n_a; |
d05c1ba0 | 3468 | char *tmps = POPpx; |
a0d0e21e LW |
3469 | TAINT_PROPER("chroot"); |
3470 | PUSHi( chroot(tmps) >= 0 ); | |
3471 | RETURN; | |
3472 | #else | |
cea2e8a9 | 3473 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3474 | #endif |
3475 | } | |
3476 | ||
3477 | PP(pp_unlink) | |
3478 | { | |
39644a26 | 3479 | dSP; dMARK; dTARGET; |
a0d0e21e | 3480 | I32 value; |
533c011a | 3481 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
3482 | SP = MARK; |
3483 | PUSHi(value); | |
3484 | RETURN; | |
3485 | } | |
3486 | ||
3487 | PP(pp_chmod) | |
3488 | { | |
39644a26 | 3489 | dSP; dMARK; dTARGET; |
a0d0e21e | 3490 | I32 value; |
533c011a | 3491 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
3492 | SP = MARK; |
3493 | PUSHi(value); | |
3494 | RETURN; | |
3495 | } | |
3496 | ||
3497 | PP(pp_utime) | |
3498 | { | |
39644a26 | 3499 | dSP; dMARK; dTARGET; |
a0d0e21e | 3500 | I32 value; |
533c011a | 3501 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
3502 | SP = MARK; |
3503 | PUSHi(value); | |
3504 | RETURN; | |
3505 | } | |
3506 | ||
3507 | PP(pp_rename) | |
3508 | { | |
39644a26 | 3509 | dSP; dTARGET; |
a0d0e21e | 3510 | int anum; |
2d8e6c8d | 3511 | STRLEN n_a; |
a0d0e21e | 3512 | |
2d8e6c8d GS |
3513 | char *tmps2 = POPpx; |
3514 | char *tmps = SvPV(TOPs, n_a); | |
a0d0e21e LW |
3515 | TAINT_PROPER("rename"); |
3516 | #ifdef HAS_RENAME | |
baed7233 | 3517 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3518 | #else |
6b88bc9c | 3519 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3520 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3521 | anum = 1; | |
3522 | else { | |
3654eb6c | 3523 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3524 | (void)UNLINK(tmps2); |
3525 | if (!(anum = link(tmps, tmps2))) | |
3526 | anum = UNLINK(tmps); | |
3527 | } | |
a0d0e21e LW |
3528 | } |
3529 | #endif | |
3530 | SETi( anum >= 0 ); | |
3531 | RETURN; | |
3532 | } | |
3533 | ||
3534 | PP(pp_link) | |
3535 | { | |
a0d0e21e | 3536 | #ifdef HAS_LINK |
370f6000 | 3537 | dSP; dTARGET; |
2d8e6c8d GS |
3538 | STRLEN n_a; |
3539 | char *tmps2 = POPpx; | |
3540 | char *tmps = SvPV(TOPs, n_a); | |
a0d0e21e | 3541 | TAINT_PROPER("link"); |
146174a9 | 3542 | SETi( PerlLIO_link(tmps, tmps2) >= 0 ); |
65850d11 | 3543 | RETURN; |
a0d0e21e | 3544 | #else |
0322a713 | 3545 | DIE(aTHX_ PL_no_func, "link"); |
a0d0e21e | 3546 | #endif |
a0d0e21e LW |
3547 | } |
3548 | ||
3549 | PP(pp_symlink) | |
3550 | { | |
a0d0e21e | 3551 | #ifdef HAS_SYMLINK |
9cad6237 | 3552 | dSP; dTARGET; |
2d8e6c8d GS |
3553 | STRLEN n_a; |
3554 | char *tmps2 = POPpx; | |
3555 | char *tmps = SvPV(TOPs, n_a); | |
a0d0e21e LW |
3556 | TAINT_PROPER("symlink"); |
3557 | SETi( symlink(tmps, tmps2) >= 0 ); | |
3558 | RETURN; | |
3559 | #else | |
cea2e8a9 | 3560 | DIE(aTHX_ PL_no_func, "symlink"); |
a0d0e21e LW |
3561 | #endif |
3562 | } | |
3563 | ||
3564 | PP(pp_readlink) | |
3565 | { | |
76ffd3b9 | 3566 | dSP; |
a0d0e21e | 3567 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3568 | dTARGET; |
a0d0e21e | 3569 | char *tmps; |
46fc3d4c | 3570 | char buf[MAXPATHLEN]; |
a0d0e21e | 3571 | int len; |
2d8e6c8d | 3572 | STRLEN n_a; |
46fc3d4c | 3573 | |
fb73857a | 3574 | #ifndef INCOMPLETE_TAINTS |
3575 | TAINT; | |
3576 | #endif | |
2d8e6c8d | 3577 | tmps = POPpx; |
97dcea33 | 3578 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3579 | EXTEND(SP, 1); |
3580 | if (len < 0) | |
3581 | RETPUSHUNDEF; | |
3582 | PUSHp(buf, len); | |
3583 | RETURN; | |
3584 | #else | |
3585 | EXTEND(SP, 1); | |
3586 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3587 | #endif | |
3588 | } | |
3589 | ||
3590 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3591 | STATIC int |
cea2e8a9 | 3592 | S_dooneliner(pTHX_ char *cmd, char *filename) |
a0d0e21e | 3593 | { |
1e422769 | 3594 | char *save_filename = filename; |
3595 | char *cmdline; | |
3596 | char *s; | |
760ac839 | 3597 | PerlIO *myfp; |
1e422769 | 3598 | int anum = 1; |
a0d0e21e | 3599 | |
1e422769 | 3600 | New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char); |
3601 | strcpy(cmdline, cmd); | |
3602 | strcat(cmdline, " "); | |
3603 | for (s = cmdline + strlen(cmdline); *filename; ) { | |
a0d0e21e LW |
3604 | *s++ = '\\'; |
3605 | *s++ = *filename++; | |
3606 | } | |
3607 | strcpy(s, " 2>&1"); | |
6ad3d225 | 3608 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3609 | Safefree(cmdline); |
3610 | ||
a0d0e21e | 3611 | if (myfp) { |
1e422769 | 3612 | SV *tmpsv = sv_newmortal(); |
6b88bc9c | 3613 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3614 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3615 | (void)PerlProc_pclose(myfp); |
a0d0e21e | 3616 | if (s != Nullch) { |
1e422769 | 3617 | int e; |
3618 | for (e = 1; | |
a0d0e21e | 3619 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3620 | e <= sys_nerr |
3621 | #endif | |
3622 | ; e++) | |
3623 | { | |
3624 | /* you don't see this */ | |
3625 | char *errmsg = | |
3626 | #ifdef HAS_SYS_ERRLIST | |
3627 | sys_errlist[e] | |
a0d0e21e | 3628 | #else |
1e422769 | 3629 | strerror(e) |
a0d0e21e | 3630 | #endif |
1e422769 | 3631 | ; |
3632 | if (!errmsg) | |
3633 | break; | |
3634 | if (instr(s, errmsg)) { | |
3635 | SETERRNO(e,0); | |
3636 | return 0; | |
3637 | } | |
a0d0e21e | 3638 | } |
748a9306 | 3639 | SETERRNO(0,0); |
a0d0e21e LW |
3640 | #ifndef EACCES |
3641 | #define EACCES EPERM | |
3642 | #endif | |
1e422769 | 3643 | if (instr(s, "cannot make")) |
748a9306 | 3644 | SETERRNO(EEXIST,RMS$_FEX); |
1e422769 | 3645 | else if (instr(s, "existing file")) |
748a9306 | 3646 | SETERRNO(EEXIST,RMS$_FEX); |
1e422769 | 3647 | else if (instr(s, "ile exists")) |
748a9306 | 3648 | SETERRNO(EEXIST,RMS$_FEX); |
1e422769 | 3649 | else if (instr(s, "non-exist")) |
748a9306 | 3650 | SETERRNO(ENOENT,RMS$_FNF); |
1e422769 | 3651 | else if (instr(s, "does not exist")) |
748a9306 | 3652 | SETERRNO(ENOENT,RMS$_FNF); |
1e422769 | 3653 | else if (instr(s, "not empty")) |
748a9306 | 3654 | SETERRNO(EBUSY,SS$_DEVOFFLINE); |
1e422769 | 3655 | else if (instr(s, "cannot access")) |
748a9306 | 3656 | SETERRNO(EACCES,RMS$_PRV); |
a0d0e21e | 3657 | else |
748a9306 | 3658 | SETERRNO(EPERM,RMS$_PRV); |
a0d0e21e LW |
3659 | return 0; |
3660 | } | |
3661 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3662 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3663 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3664 | anum = !anum; |
3665 | if (anum) | |
748a9306 | 3666 | SETERRNO(0,0); |
a0d0e21e | 3667 | else |
748a9306 | 3668 | SETERRNO(EACCES,RMS$_PRV); /* a guess */ |
a0d0e21e LW |
3669 | } |
3670 | return anum; | |
3671 | } | |
3672 | else | |
3673 | return 0; | |
3674 | } | |
3675 | #endif | |
3676 | ||
3677 | PP(pp_mkdir) | |
3678 | { | |
39644a26 | 3679 | dSP; dTARGET; |
5a211162 | 3680 | int mode; |
a0d0e21e LW |
3681 | #ifndef HAS_MKDIR |
3682 | int oldumask; | |
3683 | #endif | |
df25ddba | 3684 | STRLEN len; |
5a211162 | 3685 | char *tmps; |
df25ddba | 3686 | bool copy = FALSE; |
5a211162 GS |
3687 | |
3688 | if (MAXARG > 1) | |
3689 | mode = POPi; | |
3690 | else | |
3691 | mode = 0777; | |
3692 | ||
df25ddba JH |
3693 | tmps = SvPV(TOPs, len); |
3694 | /* Different operating and file systems take differently to | |
16ac3975 JH |
3695 | * trailing slashes. According to POSIX 1003.1 1996 Edition |
3696 | * any number of trailing slashes should be allowed. | |
3697 | * Thusly we snip them away so that even non-conforming | |
3698 | * systems are happy. */ | |
3699 | /* We should probably do this "filtering" for all | |
3700 | * the functions that expect (potentially) directory names: | |
3701 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3702 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3703 | if (len > 1 && tmps[len-1] == '/') { | |
3704 | while (tmps[len] == '/' && len > 1) | |
3705 | len--; | |
3706 | tmps = savepvn(tmps, len); | |
df25ddba JH |
3707 | copy = TRUE; |
3708 | } | |
a0d0e21e LW |
3709 | |
3710 | TAINT_PROPER("mkdir"); | |
3711 | #ifdef HAS_MKDIR | |
6ad3d225 | 3712 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e LW |
3713 | #else |
3714 | SETi( dooneliner("mkdir", tmps) ); | |
6ad3d225 GS |
3715 | oldumask = PerlLIO_umask(0); |
3716 | PerlLIO_umask(oldumask); | |
3717 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
a0d0e21e | 3718 | #endif |
df25ddba JH |
3719 | if (copy) |
3720 | Safefree(tmps); | |
a0d0e21e LW |
3721 | RETURN; |
3722 | } | |
3723 | ||
3724 | PP(pp_rmdir) | |
3725 | { | |
39644a26 | 3726 | dSP; dTARGET; |
a0d0e21e | 3727 | char *tmps; |
2d8e6c8d | 3728 | STRLEN n_a; |
a0d0e21e | 3729 | |
2d8e6c8d | 3730 | tmps = POPpx; |
a0d0e21e LW |
3731 | TAINT_PROPER("rmdir"); |
3732 | #ifdef HAS_RMDIR | |
6ad3d225 | 3733 | XPUSHi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e LW |
3734 | #else |
3735 | XPUSHi( dooneliner("rmdir", tmps) ); | |
3736 | #endif | |
3737 | RETURN; | |
3738 | } | |
3739 | ||
3740 | /* Directory calls. */ | |
3741 | ||
3742 | PP(pp_open_dir) | |
3743 | { | |
a0d0e21e | 3744 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3745 | dSP; |
2d8e6c8d GS |
3746 | STRLEN n_a; |
3747 | char *dirname = POPpx; | |
a0d0e21e LW |
3748 | GV *gv = (GV*)POPs; |
3749 | register IO *io = GvIOn(gv); | |
3750 | ||
3751 | if (!io) | |
3752 | goto nope; | |
3753 | ||
3754 | if (IoDIRP(io)) | |
6ad3d225 GS |
3755 | PerlDir_close(IoDIRP(io)); |
3756 | if (!(IoDIRP(io) = PerlDir_open(dirname))) | |
a0d0e21e LW |
3757 | goto nope; |
3758 | ||
3759 | RETPUSHYES; | |
3760 | nope: | |
3761 | if (!errno) | |
91487cfc | 3762 | SETERRNO(EBADF,RMS$_DIR); |
a0d0e21e LW |
3763 | RETPUSHUNDEF; |
3764 | #else | |
cea2e8a9 | 3765 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3766 | #endif |
3767 | } | |
3768 | ||
3769 | PP(pp_readdir) | |
3770 | { | |
a0d0e21e | 3771 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3772 | dSP; |
fd8cd3a3 | 3773 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3774 | Direntry_t *readdir (DIR *); |
a0d0e21e LW |
3775 | #endif |
3776 | register Direntry_t *dp; | |
3777 | GV *gv = (GV*)POPs; | |
3778 | register IO *io = GvIOn(gv); | |
fb73857a | 3779 | SV *sv; |
a0d0e21e LW |
3780 | |
3781 | if (!io || !IoDIRP(io)) | |
3782 | goto nope; | |
3783 | ||
3784 | if (GIMME == G_ARRAY) { | |
3785 | /*SUPPRESS 560*/ | |
155aba94 | 3786 | while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) { |
a0d0e21e | 3787 | #ifdef DIRNAMLEN |
79cb57f6 | 3788 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3789 | #else |
fb73857a | 3790 | sv = newSVpv(dp->d_name, 0); |
3791 | #endif | |
3792 | #ifndef INCOMPLETE_TAINTS | |
26fb8f1f GS |
3793 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3794 | SvTAINTED_on(sv); | |
a0d0e21e | 3795 | #endif |
fb73857a | 3796 | XPUSHs(sv_2mortal(sv)); |
a0d0e21e LW |
3797 | } |
3798 | } | |
3799 | else { | |
6ad3d225 | 3800 | if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) |
a0d0e21e LW |
3801 | goto nope; |
3802 | #ifdef DIRNAMLEN | |
79cb57f6 | 3803 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3804 | #else |
fb73857a | 3805 | sv = newSVpv(dp->d_name, 0); |
a0d0e21e | 3806 | #endif |
fb73857a | 3807 | #ifndef INCOMPLETE_TAINTS |
26fb8f1f GS |
3808 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3809 | SvTAINTED_on(sv); | |
fb73857a | 3810 | #endif |
3811 | XPUSHs(sv_2mortal(sv)); | |
a0d0e21e LW |
3812 | } |
3813 | RETURN; | |
3814 | ||
3815 | nope: | |
3816 | if (!errno) | |
91487cfc | 3817 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3818 | if (GIMME == G_ARRAY) |
3819 | RETURN; | |
3820 | else | |
3821 | RETPUSHUNDEF; | |
3822 | #else | |
cea2e8a9 | 3823 | DIE(aTHX_ PL_no_dir_func, "readdir"); |
a0d0e21e LW |
3824 | #endif |
3825 | } | |
3826 | ||
3827 | PP(pp_telldir) | |
3828 | { | |
a0d0e21e | 3829 | #if defined(HAS_TELLDIR) || defined(telldir) |
9cad6237 | 3830 | dSP; dTARGET; |
968dcd91 JH |
3831 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3832 | /* XXX netbsd still seemed to. | |
3833 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3834 | --JHI 1999-Feb-02 */ | |
3835 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3836 | long telldir (DIR *); |
dfe9444c | 3837 | # endif |
a0d0e21e LW |
3838 | GV *gv = (GV*)POPs; |
3839 | register IO *io = GvIOn(gv); | |
3840 | ||
3841 | if (!io || !IoDIRP(io)) | |
3842 | goto nope; | |
3843 | ||
6ad3d225 | 3844 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3845 | RETURN; |
3846 | nope: | |
3847 | if (!errno) | |
91487cfc | 3848 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3849 | RETPUSHUNDEF; |
3850 | #else | |
cea2e8a9 | 3851 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3852 | #endif |
3853 | } | |
3854 | ||
3855 | PP(pp_seekdir) | |
3856 | { | |
a0d0e21e | 3857 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
9cad6237 | 3858 | dSP; |
a0d0e21e LW |
3859 | long along = POPl; |
3860 | GV *gv = (GV*)POPs; | |
3861 | register IO *io = GvIOn(gv); | |
3862 | ||
3863 | if (!io || !IoDIRP(io)) | |
3864 | goto nope; | |
3865 | ||
6ad3d225 | 3866 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3867 | |
3868 | RETPUSHYES; | |
3869 | nope: | |
3870 | if (!errno) | |
91487cfc | 3871 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3872 | RETPUSHUNDEF; |
3873 | #else | |
cea2e8a9 | 3874 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3875 | #endif |
3876 | } | |
3877 | ||
3878 | PP(pp_rewinddir) | |
3879 | { | |
a0d0e21e | 3880 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
9cad6237 | 3881 | dSP; |
a0d0e21e LW |
3882 | GV *gv = (GV*)POPs; |
3883 | register IO *io = GvIOn(gv); | |
3884 | ||
3885 | if (!io || !IoDIRP(io)) | |
3886 | goto nope; | |
3887 | ||
6ad3d225 | 3888 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3889 | RETPUSHYES; |
3890 | nope: | |
3891 | if (!errno) | |
91487cfc | 3892 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3893 | RETPUSHUNDEF; |
3894 | #else | |
cea2e8a9 | 3895 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3896 | #endif |
3897 | } | |
3898 | ||
3899 | PP(pp_closedir) | |
3900 | { | |
a0d0e21e | 3901 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3902 | dSP; |
a0d0e21e LW |
3903 | GV *gv = (GV*)POPs; |
3904 | register IO *io = GvIOn(gv); | |
3905 | ||
3906 | if (!io || !IoDIRP(io)) | |
3907 | goto nope; | |
3908 | ||
3909 | #ifdef VOID_CLOSEDIR | |
6ad3d225 | 3910 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3911 | #else |
6ad3d225 | 3912 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3913 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3914 | goto nope; |
748a9306 | 3915 | } |
a0d0e21e LW |
3916 | #endif |
3917 | IoDIRP(io) = 0; | |
3918 | ||
3919 | RETPUSHYES; | |
3920 | nope: | |
3921 | if (!errno) | |
91487cfc | 3922 | SETERRNO(EBADF,RMS$_IFI); |
a0d0e21e LW |
3923 | RETPUSHUNDEF; |
3924 | #else | |
cea2e8a9 | 3925 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
3926 | #endif |
3927 | } | |
3928 | ||
3929 | /* Process control. */ | |
3930 | ||
3931 | PP(pp_fork) | |
3932 | { | |
44a8e56a | 3933 | #ifdef HAS_FORK |
39644a26 | 3934 | dSP; dTARGET; |
761237fe | 3935 | Pid_t childpid; |
a0d0e21e LW |
3936 | GV *tmpgv; |
3937 | ||
3938 | EXTEND(SP, 1); | |
45bc9206 | 3939 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 3940 | childpid = PerlProc_fork(); |
a0d0e21e LW |
3941 | if (childpid < 0) |
3942 | RETSETUNDEF; | |
3943 | if (!childpid) { | |
3944 | /*SUPPRESS 560*/ | |
306196c3 MS |
3945 | if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) { |
3946 | SvREADONLY_off(GvSV(tmpgv)); | |
146174a9 | 3947 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3948 | SvREADONLY_on(GvSV(tmpgv)); |
3949 | } | |
3280af22 | 3950 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
a0d0e21e LW |
3951 | } |
3952 | PUSHi(childpid); | |
3953 | RETURN; | |
3954 | #else | |
146174a9 | 3955 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 3956 | dSP; dTARGET; |
146174a9 CB |
3957 | Pid_t childpid; |
3958 | ||
3959 | EXTEND(SP, 1); | |
3960 | PERL_FLUSHALL_FOR_CHILD; | |
3961 | childpid = PerlProc_fork(); | |
60fa28ff GS |
3962 | if (childpid == -1) |
3963 | RETSETUNDEF; | |
146174a9 CB |
3964 | PUSHi(childpid); |
3965 | RETURN; | |
3966 | # else | |
0322a713 | 3967 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 3968 | # endif |
a0d0e21e LW |
3969 | #endif |
3970 | } | |
3971 | ||
3972 | PP(pp_wait) | |
3973 | { | |
301e8125 | 3974 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3975 | dSP; dTARGET; |
761237fe | 3976 | Pid_t childpid; |
a0d0e21e | 3977 | int argflags; |
a0d0e21e | 3978 | |
0a0ada86 | 3979 | #ifdef PERL_OLD_SIGNALS |
44a8e56a | 3980 | childpid = wait4pid(-1, &argflags, 0); |
0a0ada86 NIS |
3981 | #else |
3982 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && errno == EINTR) { | |
3983 | PERL_ASYNC_CHECK(); | |
3984 | } | |
3985 | #endif | |
68a29c53 GS |
3986 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3987 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
3988 | STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1); | |
3989 | # else | |
f86702cc | 3990 | STATUS_NATIVE_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 3991 | # endif |
44a8e56a | 3992 | XPUSHi(childpid); |
a0d0e21e LW |
3993 | RETURN; |
3994 | #else | |
0322a713 | 3995 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
3996 | #endif |
3997 | } | |
3998 | ||
3999 | PP(pp_waitpid) | |
4000 | { | |
301e8125 | 4001 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 4002 | dSP; dTARGET; |
761237fe | 4003 | Pid_t childpid; |
a0d0e21e LW |
4004 | int optype; |
4005 | int argflags; | |
a0d0e21e | 4006 | |
a0d0e21e LW |
4007 | optype = POPi; |
4008 | childpid = TOPi; | |
0a0ada86 | 4009 | #ifdef PERL_OLD_SIGNALS |
a0d0e21e | 4010 | childpid = wait4pid(childpid, &argflags, optype); |
0a0ada86 NIS |
4011 | #else |
4012 | while ((childpid = wait4pid(childpid, &argflags, optype)) == -1 && errno == EINTR) { | |
4013 | PERL_ASYNC_CHECK(); | |
4014 | } | |
4015 | #endif | |
68a29c53 GS |
4016 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4017 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
4018 | STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1); | |
4019 | # else | |
f86702cc | 4020 | STATUS_NATIVE_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 4021 | # endif |
44a8e56a | 4022 | SETi(childpid); |
a0d0e21e LW |
4023 | RETURN; |
4024 | #else | |
0322a713 | 4025 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
4026 | #endif |
4027 | } | |
4028 | ||
4029 | PP(pp_system) | |
4030 | { | |
39644a26 | 4031 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4032 | I32 value; |
2d8e6c8d | 4033 | STRLEN n_a; |
76ffd3b9 | 4034 | int result; |
e7766f89 JH |
4035 | int pp[2]; |
4036 | I32 did_pipes = 0; | |
a0d0e21e | 4037 | |
bbd7eb8a RD |
4038 | if (PL_tainting) { |
4039 | TAINT_ENV(); | |
4040 | while (++MARK <= SP) { | |
4041 | (void)SvPV_nolen(*MARK); /* stringify for taint check */ | |
4042 | if (PL_tainted) | |
4043 | break; | |
4044 | } | |
4045 | MARK = ORIGMARK; | |
4046 | /* XXX Remove warning at end of deprecation cycle --RD 2002-02 */ | |
4047 | if (SP - MARK == 1) { | |
a0d0e21e LW |
4048 | TAINT_PROPER("system"); |
4049 | } | |
12bcd1a6 PM |
4050 | else if (ckWARN2(WARN_TAINT, WARN_DEPRECATED)) { |
4051 | Perl_warner(aTHX_ packWARN2(WARN_TAINT, WARN_DEPRECATED), | |
bbd7eb8a RD |
4052 | "Use of tainted arguments in %s is deprecated", "system"); |
4053 | } | |
a0d0e21e | 4054 | } |
45bc9206 | 4055 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 4056 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 JH |
4057 | { |
4058 | Pid_t childpid; | |
4059 | int status; | |
4060 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
52a55424 | 4061 | |
d7e492a4 JH |
4062 | if (PerlProc_pipe(pp) >= 0) |
4063 | did_pipes = 1; | |
52e18b1f | 4064 | while ((childpid = PerlProc_fork()) == -1) { |
d7e492a4 JH |
4065 | if (errno != EAGAIN) { |
4066 | value = -1; | |
4067 | SP = ORIGMARK; | |
4068 | PUSHi(value); | |
4069 | if (did_pipes) { | |
4070 | PerlLIO_close(pp[0]); | |
4071 | PerlLIO_close(pp[1]); | |
4072 | } | |
4073 | RETURN; | |
4074 | } | |
4075 | sleep(5); | |
4076 | } | |
4077 | if (childpid > 0) { | |
4078 | if (did_pipes) | |
4079 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4080 | #ifndef PERL_MICRO |
d7e492a4 JH |
4081 | rsignal_save(SIGINT, SIG_IGN, &ihand); |
4082 | rsignal_save(SIGQUIT, SIG_IGN, &qhand); | |
64ca3a65 | 4083 | #endif |
d7e492a4 JH |
4084 | do { |
4085 | result = wait4pid(childpid, &status, 0); | |
4086 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4087 | #ifndef PERL_MICRO |
d7e492a4 JH |
4088 | (void)rsignal_restore(SIGINT, &ihand); |
4089 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4090 | #endif | |
4091 | STATUS_NATIVE_SET(result == -1 ? -1 : status); | |
52e18b1f | 4092 | do_execfree(); /* free any memory child malloced on fork */ |
d7e492a4 JH |
4093 | SP = ORIGMARK; |
4094 | if (did_pipes) { | |
4095 | int errkid; | |
4096 | int n = 0, n1; | |
72f496dc | 4097 | |
d7e492a4 JH |
4098 | while (n < sizeof(int)) { |
4099 | n1 = PerlLIO_read(pp[0], | |
4100 | (void*)(((char*)&errkid)+n), | |
4101 | (sizeof(int)) - n); | |
4102 | if (n1 <= 0) | |
4103 | break; | |
4104 | n += n1; | |
4105 | } | |
4106 | PerlLIO_close(pp[0]); | |
4107 | if (n) { /* Error */ | |
4108 | if (n != sizeof(int)) | |
4109 | DIE(aTHX_ "panic: kid popen errno read"); | |
4110 | errno = errkid; /* Propagate errno from kid */ | |
4111 | STATUS_CURRENT = -1; | |
4112 | } | |
4113 | } | |
4114 | PUSHi(STATUS_CURRENT); | |
4115 | RETURN; | |
4116 | } | |
4117 | if (did_pipes) { | |
4118 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4119 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
d7e492a4 | 4120 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4121 | #endif |
d7e492a4 | 4122 | } |
d5a9bfb0 | 4123 | } |
533c011a | 4124 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 4125 | SV *really = *++MARK; |
d5a9bfb0 | 4126 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
a0d0e21e LW |
4127 | } |
4128 | else if (SP - MARK != 1) | |
d5a9bfb0 | 4129 | value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes); |
a0d0e21e | 4130 | else { |
d5a9bfb0 | 4131 | value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes); |
a0d0e21e | 4132 | } |
6ad3d225 | 4133 | PerlProc__exit(-1); |
c3293030 | 4134 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4135 | PL_statusvalue = 0; |
4136 | result = 0; | |
911d147d | 4137 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 4138 | SV *really = *++MARK; |
c5be433b | 4139 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
a0d0e21e LW |
4140 | } |
4141 | else if (SP - MARK != 1) | |
c5be433b | 4142 | value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP); |
a0d0e21e | 4143 | else { |
c5be433b | 4144 | value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a)); |
a0d0e21e | 4145 | } |
922b1888 GS |
4146 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4147 | result = 1; | |
f86702cc | 4148 | STATUS_NATIVE_SET(value); |
a0d0e21e LW |
4149 | do_execfree(); |
4150 | SP = ORIGMARK; | |
922b1888 | 4151 | PUSHi(result ? value : STATUS_CURRENT); |
a0d0e21e LW |
4152 | #endif /* !FORK or VMS */ |
4153 | RETURN; | |
4154 | } | |
4155 | ||
4156 | PP(pp_exec) | |
4157 | { | |
39644a26 | 4158 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4159 | I32 value; |
2d8e6c8d | 4160 | STRLEN n_a; |
a0d0e21e | 4161 | |
bbd7eb8a RD |
4162 | if (PL_tainting) { |
4163 | TAINT_ENV(); | |
4164 | while (++MARK <= SP) { | |
4165 | (void)SvPV_nolen(*MARK); /* stringify for taint check */ | |
4166 | if (PL_tainted) | |
4167 | break; | |
4168 | } | |
4169 | MARK = ORIGMARK; | |
4170 | /* XXX Remove warning at end of deprecation cycle --RD 2002-02 */ | |
4171 | if (SP - MARK == 1) { | |
4172 | TAINT_PROPER("exec"); | |
4173 | } | |
12bcd1a6 PM |
4174 | else if (ckWARN2(WARN_TAINT, WARN_DEPRECATED)) { |
4175 | Perl_warner(aTHX_ packWARN2(WARN_TAINT, WARN_DEPRECATED), | |
bbd7eb8a RD |
4176 | "Use of tainted arguments in %s is deprecated", "exec"); |
4177 | } | |
4178 | } | |
45bc9206 | 4179 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4180 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e LW |
4181 | SV *really = *++MARK; |
4182 | value = (I32)do_aexec(really, MARK, SP); | |
4183 | } | |
4184 | else if (SP - MARK != 1) | |
4185 | #ifdef VMS | |
4186 | value = (I32)vms_do_aexec(Nullsv, MARK, SP); | |
4187 | #else | |
092bebab JH |
4188 | # ifdef __OPEN_VM |
4189 | { | |
c5be433b | 4190 | (void ) do_aspawn(Nullsv, MARK, SP); |
092bebab JH |
4191 | value = 0; |
4192 | } | |
4193 | # else | |
a0d0e21e | 4194 | value = (I32)do_aexec(Nullsv, MARK, SP); |
092bebab | 4195 | # endif |
a0d0e21e LW |
4196 | #endif |
4197 | else { | |
a0d0e21e | 4198 | #ifdef VMS |
2d8e6c8d | 4199 | value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a)); |
a0d0e21e | 4200 | #else |
092bebab | 4201 | # ifdef __OPEN_VM |
c5be433b | 4202 | (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a)); |
092bebab JH |
4203 | value = 0; |
4204 | # else | |
2d8e6c8d | 4205 | value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a)); |
092bebab | 4206 | # endif |
a0d0e21e LW |
4207 | #endif |
4208 | } | |
146174a9 | 4209 | |
a0d0e21e LW |
4210 | SP = ORIGMARK; |
4211 | PUSHi(value); | |
4212 | RETURN; | |
4213 | } | |
4214 | ||
4215 | PP(pp_kill) | |
4216 | { | |
9cad6237 | 4217 | #ifdef HAS_KILL |
39644a26 | 4218 | dSP; dMARK; dTARGET; |
a0d0e21e | 4219 | I32 value; |
533c011a | 4220 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4221 | SP = MARK; |
4222 | PUSHi(value); | |
4223 | RETURN; | |
4224 | #else | |
0322a713 | 4225 | DIE(aTHX_ PL_no_func, "kill"); |
a0d0e21e LW |
4226 | #endif |
4227 | } | |
4228 | ||
4229 | PP(pp_getppid) | |
4230 | { | |
4231 | #ifdef HAS_GETPPID | |
39644a26 | 4232 | dSP; dTARGET; |
a0d0e21e LW |
4233 | XPUSHi( getppid() ); |
4234 | RETURN; | |
4235 | #else | |
cea2e8a9 | 4236 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4237 | #endif |
4238 | } | |
4239 | ||
4240 | PP(pp_getpgrp) | |
4241 | { | |
4242 | #ifdef HAS_GETPGRP | |
39644a26 | 4243 | dSP; dTARGET; |
d8a83dd3 | 4244 | Pid_t pid; |
9853a804 | 4245 | Pid_t pgrp; |
a0d0e21e LW |
4246 | |
4247 | if (MAXARG < 1) | |
4248 | pid = 0; | |
4249 | else | |
4250 | pid = SvIVx(POPs); | |
c3293030 | 4251 | #ifdef BSD_GETPGRP |
9853a804 | 4252 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4253 | #else |
146174a9 | 4254 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4255 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4256 | pgrp = getpgrp(); |
a0d0e21e | 4257 | #endif |
9853a804 | 4258 | XPUSHi(pgrp); |
a0d0e21e LW |
4259 | RETURN; |
4260 | #else | |
cea2e8a9 | 4261 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4262 | #endif |
4263 | } | |
4264 | ||
4265 | PP(pp_setpgrp) | |
4266 | { | |
4267 | #ifdef HAS_SETPGRP | |
39644a26 | 4268 | dSP; dTARGET; |
d8a83dd3 JH |
4269 | Pid_t pgrp; |
4270 | Pid_t pid; | |
a0d0e21e LW |
4271 | if (MAXARG < 2) { |
4272 | pgrp = 0; | |
4273 | pid = 0; | |
4274 | } | |
4275 | else { | |
4276 | pgrp = POPi; | |
4277 | pid = TOPi; | |
4278 | } | |
4279 | ||
4280 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4281 | #ifdef BSD_SETPGRP |
4282 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4283 | #else |
146174a9 CB |
4284 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4285 | || (pid != 0 && pid != PerlProc_getpid())) | |
4286 | { | |
4287 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4288 | } | |
a0d0e21e LW |
4289 | SETi( setpgrp() >= 0 ); |
4290 | #endif /* USE_BSDPGRP */ | |
4291 | RETURN; | |
4292 | #else | |
cea2e8a9 | 4293 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4294 | #endif |
4295 | } | |
4296 | ||
4297 | PP(pp_getpriority) | |
4298 | { | |
a0d0e21e | 4299 | #ifdef HAS_GETPRIORITY |
9cad6237 | 4300 | dSP; dTARGET; |
d05c1ba0 JH |
4301 | int who = POPi; |
4302 | int which = TOPi; | |
a0d0e21e LW |
4303 | SETi( getpriority(which, who) ); |
4304 | RETURN; | |
4305 | #else | |
cea2e8a9 | 4306 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4307 | #endif |
4308 | } | |
4309 | ||
4310 | PP(pp_setpriority) | |
4311 | { | |
a0d0e21e | 4312 | #ifdef HAS_SETPRIORITY |
9cad6237 | 4313 | dSP; dTARGET; |
d05c1ba0 JH |
4314 | int niceval = POPi; |
4315 | int who = POPi; | |
4316 | int which = TOPi; | |
a0d0e21e LW |
4317 | TAINT_PROPER("setpriority"); |
4318 | SETi( setpriority(which, who, niceval) >= 0 ); | |
4319 | RETURN; | |
4320 | #else | |
cea2e8a9 | 4321 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4322 | #endif |
4323 | } | |
4324 | ||
4325 | /* Time calls. */ | |
4326 | ||
4327 | PP(pp_time) | |
4328 | { | |
39644a26 | 4329 | dSP; dTARGET; |
cbdc8872 | 4330 | #ifdef BIG_TIME |
4331 | XPUSHn( time(Null(Time_t*)) ); | |
4332 | #else | |
a0d0e21e | 4333 | XPUSHi( time(Null(Time_t*)) ); |
cbdc8872 | 4334 | #endif |
a0d0e21e LW |
4335 | RETURN; |
4336 | } | |
4337 | ||
cd52b7b2 | 4338 | /* XXX The POSIX name is CLK_TCK; it is to be preferred |
4339 | to HZ. Probably. For now, assume that if the system | |
4340 | defines HZ, it does so correctly. (Will this break | |
4341 | on VMS?) | |
4342 | Probably we ought to use _sysconf(_SC_CLK_TCK), if | |
4343 | it's supported. --AD 9/96. | |
4344 | */ | |
4345 | ||
9bc87460 JH |
4346 | #ifdef __BEOS__ |
4347 | # define HZ 1000000 | |
4348 | #endif | |
4349 | ||
a0d0e21e | 4350 | #ifndef HZ |
cd52b7b2 | 4351 | # ifdef CLK_TCK |
4352 | # define HZ CLK_TCK | |
4353 | # else | |
4354 | # define HZ 60 | |
4355 | # endif | |
a0d0e21e LW |
4356 | #endif |
4357 | ||
4358 | PP(pp_tms) | |
4359 | { | |
9cad6237 | 4360 | #ifdef HAS_TIMES |
39644a26 | 4361 | dSP; |
a0d0e21e | 4362 | EXTEND(SP, 4); |
a0d0e21e | 4363 | #ifndef VMS |
3280af22 | 4364 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4365 | #else |
6b88bc9c | 4366 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4367 | /* struct tms, though same data */ |
4368 | /* is returned. */ | |
a0d0e21e LW |
4369 | #endif |
4370 | ||
65202027 | 4371 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ))); |
a0d0e21e | 4372 | if (GIMME == G_ARRAY) { |
65202027 DS |
4373 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ))); |
4374 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ))); | |
4375 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ))); | |
a0d0e21e LW |
4376 | } |
4377 | RETURN; | |
9cad6237 JH |
4378 | #else |
4379 | DIE(aTHX_ "times not implemented"); | |
55497cff | 4380 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4381 | } |
4382 | ||
4383 | PP(pp_localtime) | |
4384 | { | |
cea2e8a9 | 4385 | return pp_gmtime(); |
a0d0e21e LW |
4386 | } |
4387 | ||
4388 | PP(pp_gmtime) | |
4389 | { | |
39644a26 | 4390 | dSP; |
a0d0e21e LW |
4391 | Time_t when; |
4392 | struct tm *tmbuf; | |
4393 | static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4394 | static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4395 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
4396 | ||
4397 | if (MAXARG < 1) | |
4398 | (void)time(&when); | |
4399 | else | |
cbdc8872 | 4400 | #ifdef BIG_TIME |
4401 | when = (Time_t)SvNVx(POPs); | |
4402 | #else | |
a0d0e21e | 4403 | when = (Time_t)SvIVx(POPs); |
cbdc8872 | 4404 | #endif |
a0d0e21e | 4405 | |
533c011a | 4406 | if (PL_op->op_type == OP_LOCALTIME) |
a0d0e21e LW |
4407 | tmbuf = localtime(&when); |
4408 | else | |
4409 | tmbuf = gmtime(&when); | |
4410 | ||
a0d0e21e | 4411 | if (GIMME != G_ARRAY) { |
46fc3d4c | 4412 | SV *tsv; |
9a5ff6d9 AB |
4413 | EXTEND(SP, 1); |
4414 | EXTEND_MORTAL(1); | |
a0d0e21e LW |
4415 | if (!tmbuf) |
4416 | RETPUSHUNDEF; | |
be28567c | 4417 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", |
f5a29b03 RB |
4418 | dayname[tmbuf->tm_wday], |
4419 | monname[tmbuf->tm_mon], | |
be28567c GS |
4420 | tmbuf->tm_mday, |
4421 | tmbuf->tm_hour, | |
4422 | tmbuf->tm_min, | |
4423 | tmbuf->tm_sec, | |
4424 | tmbuf->tm_year + 1900); | |
46fc3d4c | 4425 | PUSHs(sv_2mortal(tsv)); |
a0d0e21e LW |
4426 | } |
4427 | else if (tmbuf) { | |
9a5ff6d9 AB |
4428 | EXTEND(SP, 9); |
4429 | EXTEND_MORTAL(9); | |
4430 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); | |
c6419e06 JH |
4431 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); |
4432 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); | |
4433 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); | |
4434 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); | |
4435 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); | |
4436 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); | |
4437 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); | |
4438 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); | |
a0d0e21e LW |
4439 | } |
4440 | RETURN; | |
4441 | } | |
4442 | ||
4443 | PP(pp_alarm) | |
4444 | { | |
9cad6237 | 4445 | #ifdef HAS_ALARM |
39644a26 | 4446 | dSP; dTARGET; |
a0d0e21e | 4447 | int anum; |
a0d0e21e LW |
4448 | anum = POPi; |
4449 | anum = alarm((unsigned int)anum); | |
4450 | EXTEND(SP, 1); | |
4451 | if (anum < 0) | |
4452 | RETPUSHUNDEF; | |
c6419e06 | 4453 | PUSHi(anum); |
a0d0e21e LW |
4454 | RETURN; |
4455 | #else | |
0322a713 | 4456 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4457 | #endif |
4458 | } | |
4459 | ||
4460 | PP(pp_sleep) | |
4461 | { | |
39644a26 | 4462 | dSP; dTARGET; |
a0d0e21e LW |
4463 | I32 duration; |
4464 | Time_t lasttime; | |
4465 | Time_t when; | |
4466 | ||
4467 | (void)time(&lasttime); | |
4468 | if (MAXARG < 1) | |
76e3520e | 4469 | PerlProc_pause(); |
a0d0e21e LW |
4470 | else { |
4471 | duration = POPi; | |
76e3520e | 4472 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4473 | } |
4474 | (void)time(&when); | |
4475 | XPUSHi(when - lasttime); | |
4476 | RETURN; | |
4477 | } | |
4478 | ||
4479 | /* Shared memory. */ | |
4480 | ||
4481 | PP(pp_shmget) | |
4482 | { | |
cea2e8a9 | 4483 | return pp_semget(); |
a0d0e21e LW |
4484 | } |
4485 | ||
4486 | PP(pp_shmctl) | |
4487 | { | |
cea2e8a9 | 4488 | return pp_semctl(); |
a0d0e21e LW |
4489 | } |
4490 | ||
4491 | PP(pp_shmread) | |
4492 | { | |
cea2e8a9 | 4493 | return pp_shmwrite(); |
a0d0e21e LW |
4494 | } |
4495 | ||
4496 | PP(pp_shmwrite) | |
4497 | { | |
4498 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4499 | dSP; dMARK; dTARGET; |
533c011a | 4500 | I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0); |
a0d0e21e LW |
4501 | SP = MARK; |
4502 | PUSHi(value); | |
4503 | RETURN; | |
4504 | #else | |
cea2e8a9 | 4505 | return pp_semget(); |
a0d0e21e LW |
4506 | #endif |
4507 | } | |
4508 | ||
4509 | /* Message passing. */ | |
4510 | ||
4511 | PP(pp_msgget) | |
4512 | { | |
cea2e8a9 | 4513 | return pp_semget(); |
a0d0e21e LW |
4514 | } |
4515 | ||
4516 | PP(pp_msgctl) | |
4517 | { | |
cea2e8a9 | 4518 | return pp_semctl(); |
a0d0e21e LW |
4519 | } |
4520 | ||
4521 | PP(pp_msgsnd) | |
4522 | { | |
4523 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4524 | dSP; dMARK; dTARGET; |
a0d0e21e LW |
4525 | I32 value = (I32)(do_msgsnd(MARK, SP) >= 0); |
4526 | SP = MARK; | |
4527 | PUSHi(value); | |
4528 | RETURN; | |
4529 | #else | |
cea2e8a9 | 4530 | return pp_semget(); |
a0d0e21e LW |
4531 | #endif |
4532 | } | |
4533 | ||
4534 | PP(pp_msgrcv) | |
4535 | { | |
4536 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4537 | dSP; dMARK; dTARGET; |
a0d0e21e LW |
4538 | I32 value = (I32)(do_msgrcv(MARK, SP) >= 0); |
4539 | SP = MARK; | |
4540 | PUSHi(value); | |
4541 | RETURN; | |
4542 | #else | |
cea2e8a9 | 4543 | return pp_semget(); |
a0d0e21e LW |
4544 | #endif |
4545 | } | |
4546 | ||
4547 | /* Semaphores. */ | |
4548 | ||
4549 | PP(pp_semget) | |
4550 | { | |
4551 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4552 | dSP; dMARK; dTARGET; |
533c011a | 4553 | int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4554 | SP = MARK; |
4555 | if (anum == -1) | |
4556 | RETPUSHUNDEF; | |
4557 | PUSHi(anum); | |
4558 | RETURN; | |
4559 | #else | |
cea2e8a9 | 4560 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4561 | #endif |
4562 | } | |
4563 | ||
4564 | PP(pp_semctl) | |
4565 | { | |
4566 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4567 | dSP; dMARK; dTARGET; |
533c011a | 4568 | int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4569 | SP = MARK; |
4570 | if (anum == -1) | |
4571 | RETSETUNDEF; | |
4572 | if (anum != 0) { | |
4573 | PUSHi(anum); | |
4574 | } | |
4575 | else { | |
8903cb82 | 4576 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4577 | } |
4578 | RETURN; | |
4579 | #else | |
cea2e8a9 | 4580 | return pp_semget(); |
a0d0e21e LW |
4581 | #endif |
4582 | } | |
4583 | ||
4584 | PP(pp_semop) | |
4585 | { | |
4586 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4587 | dSP; dMARK; dTARGET; |
a0d0e21e LW |
4588 | I32 value = (I32)(do_semop(MARK, SP) >= 0); |
4589 | SP = MARK; | |
4590 | PUSHi(value); | |
4591 | RETURN; | |
4592 | #else | |
cea2e8a9 | 4593 | return pp_semget(); |
a0d0e21e LW |
4594 | #endif |
4595 | } | |
4596 | ||
4597 | /* Get system info. */ | |
4598 | ||
4599 | PP(pp_ghbyname) | |
4600 | { | |
693762b4 | 4601 | #ifdef HAS_GETHOSTBYNAME |
cea2e8a9 | 4602 | return pp_ghostent(); |
a0d0e21e | 4603 | #else |
cea2e8a9 | 4604 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
a0d0e21e LW |
4605 | #endif |
4606 | } | |
4607 | ||
4608 | PP(pp_ghbyaddr) | |
4609 | { | |
693762b4 | 4610 | #ifdef HAS_GETHOSTBYADDR |
cea2e8a9 | 4611 | return pp_ghostent(); |
a0d0e21e | 4612 | #else |
cea2e8a9 | 4613 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
a0d0e21e LW |
4614 | #endif |
4615 | } | |
4616 | ||
4617 | PP(pp_ghostent) | |
4618 | { | |
693762b4 | 4619 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
9cad6237 | 4620 | dSP; |
533c011a | 4621 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4622 | register char **elem; |
4623 | register SV *sv; | |
dc45a647 | 4624 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4625 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4626 | struct hostent *gethostbyname(Netdb_name_t); | |
4627 | struct hostent *gethostent(void); | |
a0d0e21e LW |
4628 | #endif |
4629 | struct hostent *hent; | |
4630 | unsigned long len; | |
2d8e6c8d | 4631 | STRLEN n_a; |
a0d0e21e LW |
4632 | |
4633 | EXTEND(SP, 10); | |
dc45a647 MB |
4634 | if (which == OP_GHBYNAME) |
4635 | #ifdef HAS_GETHOSTBYNAME | |
595ae481 | 4636 | hent = PerlSock_gethostbyname(POPpbytex); |
dc45a647 | 4637 | #else |
cea2e8a9 | 4638 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4639 | #endif |
a0d0e21e | 4640 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4641 | #ifdef HAS_GETHOSTBYADDR |
a0d0e21e | 4642 | int addrtype = POPi; |
748a9306 | 4643 | SV *addrsv = POPs; |
a0d0e21e | 4644 | STRLEN addrlen; |
595ae481 | 4645 | Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4646 | |
4599a1de | 4647 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4648 | #else |
cea2e8a9 | 4649 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4650 | #endif |
a0d0e21e LW |
4651 | } |
4652 | else | |
4653 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4654 | hent = PerlSock_gethostent(); |
a0d0e21e | 4655 | #else |
cea2e8a9 | 4656 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4657 | #endif |
4658 | ||
4659 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4660 | if (!hent) { |
4661 | #ifdef USE_REENTRANT_API | |
4662 | # ifdef USE_GETHOSTENT_ERRNO | |
4663 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4664 | # endif | |
4665 | #endif | |
4666 | STATUS_NATIVE_SET(h_errno); | |
4667 | } | |
a0d0e21e LW |
4668 | #endif |
4669 | ||
4670 | if (GIMME != G_ARRAY) { | |
4671 | PUSHs(sv = sv_newmortal()); | |
4672 | if (hent) { | |
4673 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4674 | if (hent->h_addr) |
4675 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4676 | } |
4677 | else | |
4678 | sv_setpv(sv, (char*)hent->h_name); | |
4679 | } | |
4680 | RETURN; | |
4681 | } | |
4682 | ||
4683 | if (hent) { | |
3280af22 | 4684 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4685 | sv_setpv(sv, (char*)hent->h_name); |
3280af22 | 4686 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4687 | for (elem = hent->h_aliases; elem && *elem; elem++) { |
4688 | sv_catpv(sv, *elem); | |
4689 | if (elem[1]) | |
4690 | sv_catpvn(sv, " ", 1); | |
4691 | } | |
3280af22 | 4692 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4693 | sv_setiv(sv, (IV)hent->h_addrtype); |
3280af22 | 4694 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4695 | len = hent->h_length; |
1e422769 | 4696 | sv_setiv(sv, (IV)len); |
a0d0e21e LW |
4697 | #ifdef h_addr |
4698 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
3280af22 | 4699 | XPUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4700 | sv_setpvn(sv, *elem, len); |
4701 | } | |
4702 | #else | |
6b88bc9c | 4703 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
fd0af264 | 4704 | if (hent->h_addr) |
4705 | sv_setpvn(sv, hent->h_addr, len); | |
a0d0e21e LW |
4706 | #endif /* h_addr */ |
4707 | } | |
4708 | RETURN; | |
4709 | #else | |
cea2e8a9 | 4710 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4711 | #endif |
4712 | } | |
4713 | ||
4714 | PP(pp_gnbyname) | |
4715 | { | |
693762b4 | 4716 | #ifdef HAS_GETNETBYNAME |
cea2e8a9 | 4717 | return pp_gnetent(); |
a0d0e21e | 4718 | #else |
cea2e8a9 | 4719 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
a0d0e21e LW |
4720 | #endif |
4721 | } | |
4722 | ||
4723 | PP(pp_gnbyaddr) | |
4724 | { | |
693762b4 | 4725 | #ifdef HAS_GETNETBYADDR |
cea2e8a9 | 4726 | return pp_gnetent(); |
a0d0e21e | 4727 | #else |
cea2e8a9 | 4728 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
a0d0e21e LW |
4729 | #endif |
4730 | } | |
4731 | ||
4732 | PP(pp_gnetent) | |
4733 | { | |
693762b4 | 4734 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
9cad6237 | 4735 | dSP; |
533c011a | 4736 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4737 | register char **elem; |
4738 | register SV *sv; | |
dc45a647 | 4739 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4740 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4741 | struct netent *getnetbyname(Netdb_name_t); | |
4742 | struct netent *getnetent(void); | |
8ac85365 | 4743 | #endif |
a0d0e21e | 4744 | struct netent *nent; |
2d8e6c8d | 4745 | STRLEN n_a; |
a0d0e21e LW |
4746 | |
4747 | if (which == OP_GNBYNAME) | |
dc45a647 | 4748 | #ifdef HAS_GETNETBYNAME |
42e0c139 | 4749 | nent = PerlSock_getnetbyname(POPpbytex); |
dc45a647 | 4750 | #else |
cea2e8a9 | 4751 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4752 | #endif |
a0d0e21e | 4753 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4754 | #ifdef HAS_GETNETBYADDR |
a0d0e21e | 4755 | int addrtype = POPi; |
3bb7c1b4 | 4756 | Netdb_net_t addr = (Netdb_net_t) (U32)POPu; |
76e3520e | 4757 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4758 | #else |
cea2e8a9 | 4759 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4760 | #endif |
a0d0e21e LW |
4761 | } |
4762 | else | |
dc45a647 | 4763 | #ifdef HAS_GETNETENT |
76e3520e | 4764 | nent = PerlSock_getnetent(); |
dc45a647 | 4765 | #else |
cea2e8a9 | 4766 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4767 | #endif |
a0d0e21e | 4768 | |
10bc17b6 JH |
4769 | #ifdef HOST_NOT_FOUND |
4770 | if (!nent) { | |
4771 | #ifdef USE_REENTRANT_API | |
4772 | # ifdef USE_GETNETENT_ERRNO | |
4773 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4774 | # endif | |
4775 | #endif | |
4776 | STATUS_NATIVE_SET(h_errno); | |
4777 | } | |
4778 | #endif | |
4779 | ||
a0d0e21e LW |
4780 | EXTEND(SP, 4); |
4781 | if (GIMME != G_ARRAY) { | |
4782 | PUSHs(sv = sv_newmortal()); | |
4783 | if (nent) { | |
4784 | if (which == OP_GNBYNAME) | |
1e422769 | 4785 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4786 | else |
4787 | sv_setpv(sv, nent->n_name); | |
4788 | } | |
4789 | RETURN; | |
4790 | } | |
4791 | ||
4792 | if (nent) { | |
3280af22 | 4793 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4794 | sv_setpv(sv, nent->n_name); |
3280af22 | 4795 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4796 | for (elem = nent->n_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4797 | sv_catpv(sv, *elem); |
4798 | if (elem[1]) | |
4799 | sv_catpvn(sv, " ", 1); | |
4800 | } | |
3280af22 | 4801 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4802 | sv_setiv(sv, (IV)nent->n_addrtype); |
3280af22 | 4803 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4804 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4805 | } |
4806 | ||
4807 | RETURN; | |
4808 | #else | |
cea2e8a9 | 4809 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
a0d0e21e LW |
4810 | #endif |
4811 | } | |
4812 | ||
4813 | PP(pp_gpbyname) | |
4814 | { | |
693762b4 | 4815 | #ifdef HAS_GETPROTOBYNAME |
cea2e8a9 | 4816 | return pp_gprotoent(); |
a0d0e21e | 4817 | #else |
cea2e8a9 | 4818 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
a0d0e21e LW |
4819 | #endif |
4820 | } | |
4821 | ||
4822 | PP(pp_gpbynumber) | |
4823 | { | |
693762b4 | 4824 | #ifdef HAS_GETPROTOBYNUMBER |
cea2e8a9 | 4825 | return pp_gprotoent(); |
a0d0e21e | 4826 | #else |
cea2e8a9 | 4827 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
a0d0e21e LW |
4828 | #endif |
4829 | } | |
4830 | ||
4831 | PP(pp_gprotoent) | |
4832 | { | |
693762b4 | 4833 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
9cad6237 | 4834 | dSP; |
533c011a | 4835 | I32 which = PL_op->op_type; |
a0d0e21e | 4836 | register char **elem; |
301e8125 | 4837 | register SV *sv; |
dc45a647 | 4838 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4839 | struct protoent *getprotobyname(Netdb_name_t); |
4840 | struct protoent *getprotobynumber(int); | |
4841 | struct protoent *getprotoent(void); | |
8ac85365 | 4842 | #endif |
a0d0e21e | 4843 | struct protoent *pent; |
2d8e6c8d | 4844 | STRLEN n_a; |
a0d0e21e LW |
4845 | |
4846 | if (which == OP_GPBYNAME) | |
e5c9fcd0 | 4847 | #ifdef HAS_GETPROTOBYNAME |
42e0c139 | 4848 | pent = PerlSock_getprotobyname(POPpbytex); |
e5c9fcd0 | 4849 | #else |
cea2e8a9 | 4850 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4851 | #endif |
a0d0e21e | 4852 | else if (which == OP_GPBYNUMBER) |
e5c9fcd0 | 4853 | #ifdef HAS_GETPROTOBYNUMBER |
6ad3d225 | 4854 | pent = PerlSock_getprotobynumber(POPi); |
e5c9fcd0 | 4855 | #else |
cea2e8a9 | 4856 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4857 | #endif |
a0d0e21e | 4858 | else |
e5c9fcd0 | 4859 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4860 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4861 | #else |
cea2e8a9 | 4862 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4863 | #endif |
a0d0e21e LW |
4864 | |
4865 | EXTEND(SP, 3); | |
4866 | if (GIMME != G_ARRAY) { | |
4867 | PUSHs(sv = sv_newmortal()); | |
4868 | if (pent) { | |
4869 | if (which == OP_GPBYNAME) | |
1e422769 | 4870 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4871 | else |
4872 | sv_setpv(sv, pent->p_name); | |
4873 | } | |
4874 | RETURN; | |
4875 | } | |
4876 | ||
4877 | if (pent) { | |
3280af22 | 4878 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4879 | sv_setpv(sv, pent->p_name); |
3280af22 | 4880 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4881 | for (elem = pent->p_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4882 | sv_catpv(sv, *elem); |
4883 | if (elem[1]) | |
4884 | sv_catpvn(sv, " ", 1); | |
4885 | } | |
3280af22 | 4886 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4887 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4888 | } |
4889 | ||
4890 | RETURN; | |
4891 | #else | |
cea2e8a9 | 4892 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
a0d0e21e LW |
4893 | #endif |
4894 | } | |
4895 | ||
4896 | PP(pp_gsbyname) | |
4897 | { | |
9ec75305 | 4898 | #ifdef HAS_GETSERVBYNAME |
cea2e8a9 | 4899 | return pp_gservent(); |
a0d0e21e | 4900 | #else |
cea2e8a9 | 4901 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
a0d0e21e LW |
4902 | #endif |
4903 | } | |
4904 | ||
4905 | PP(pp_gsbyport) | |
4906 | { | |
9ec75305 | 4907 | #ifdef HAS_GETSERVBYPORT |
cea2e8a9 | 4908 | return pp_gservent(); |
a0d0e21e | 4909 | #else |
cea2e8a9 | 4910 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
a0d0e21e LW |
4911 | #endif |
4912 | } | |
4913 | ||
4914 | PP(pp_gservent) | |
4915 | { | |
693762b4 | 4916 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
9cad6237 | 4917 | dSP; |
533c011a | 4918 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4919 | register char **elem; |
4920 | register SV *sv; | |
dc45a647 | 4921 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4922 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
4923 | struct servent *getservbyport(int, Netdb_name_t); | |
4924 | struct servent *getservent(void); | |
8ac85365 | 4925 | #endif |
a0d0e21e | 4926 | struct servent *sent; |
2d8e6c8d | 4927 | STRLEN n_a; |
a0d0e21e LW |
4928 | |
4929 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4930 | #ifdef HAS_GETSERVBYNAME |
42e0c139 AP |
4931 | char *proto = POPpbytex; |
4932 | char *name = POPpbytex; | |
a0d0e21e LW |
4933 | |
4934 | if (proto && !*proto) | |
4935 | proto = Nullch; | |
4936 | ||
6ad3d225 | 4937 | sent = PerlSock_getservbyname(name, proto); |
dc45a647 | 4938 | #else |
cea2e8a9 | 4939 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4940 | #endif |
a0d0e21e LW |
4941 | } |
4942 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4943 | #ifdef HAS_GETSERVBYPORT |
42e0c139 | 4944 | char *proto = POPpbytex; |
36477c24 | 4945 | unsigned short port = POPu; |
a0d0e21e | 4946 | |
36477c24 | 4947 | #ifdef HAS_HTONS |
6ad3d225 | 4948 | port = PerlSock_htons(port); |
36477c24 | 4949 | #endif |
6ad3d225 | 4950 | sent = PerlSock_getservbyport(port, proto); |
dc45a647 | 4951 | #else |
cea2e8a9 | 4952 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4953 | #endif |
a0d0e21e LW |
4954 | } |
4955 | else | |
e5c9fcd0 | 4956 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4957 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4958 | #else |
cea2e8a9 | 4959 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4960 | #endif |
a0d0e21e LW |
4961 | |
4962 | EXTEND(SP, 4); | |
4963 | if (GIMME != G_ARRAY) { | |
4964 | PUSHs(sv = sv_newmortal()); | |
4965 | if (sent) { | |
4966 | if (which == OP_GSBYNAME) { | |
4967 | #ifdef HAS_NTOHS | |
6ad3d225 | 4968 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4969 | #else |
1e422769 | 4970 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4971 | #endif |
4972 | } | |
4973 | else | |
4974 | sv_setpv(sv, sent->s_name); | |
4975 | } | |
4976 | RETURN; | |
4977 | } | |
4978 | ||
4979 | if (sent) { | |
3280af22 | 4980 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4981 | sv_setpv(sv, sent->s_name); |
3280af22 | 4982 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4983 | for (elem = sent->s_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4984 | sv_catpv(sv, *elem); |
4985 | if (elem[1]) | |
4986 | sv_catpvn(sv, " ", 1); | |
4987 | } | |
3280af22 | 4988 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4989 | #ifdef HAS_NTOHS |
76e3520e | 4990 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4991 | #else |
1e422769 | 4992 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e | 4993 | #endif |
3280af22 | 4994 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4995 | sv_setpv(sv, sent->s_proto); |
4996 | } | |
4997 | ||
4998 | RETURN; | |
4999 | #else | |
cea2e8a9 | 5000 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
a0d0e21e LW |
5001 | #endif |
5002 | } | |
5003 | ||
5004 | PP(pp_shostent) | |
5005 | { | |
693762b4 | 5006 | #ifdef HAS_SETHOSTENT |
9cad6237 | 5007 | dSP; |
76e3520e | 5008 | PerlSock_sethostent(TOPi); |
a0d0e21e LW |
5009 | RETSETYES; |
5010 | #else | |
cea2e8a9 | 5011 | DIE(aTHX_ PL_no_sock_func, "sethostent"); |
a0d0e21e LW |
5012 | #endif |
5013 | } | |
5014 | ||
5015 | PP(pp_snetent) | |
5016 | { | |
693762b4 | 5017 | #ifdef HAS_SETNETENT |
9cad6237 | 5018 | dSP; |
76e3520e | 5019 | PerlSock_setnetent(TOPi); |
a0d0e21e LW |
5020 | RETSETYES; |
5021 | #else | |
cea2e8a9 | 5022 | DIE(aTHX_ PL_no_sock_func, "setnetent"); |
a0d0e21e LW |
5023 | #endif |
5024 | } | |
5025 | ||
5026 | PP(pp_sprotoent) | |
5027 | { | |
693762b4 | 5028 | #ifdef HAS_SETPROTOENT |
9cad6237 | 5029 | dSP; |
76e3520e | 5030 | PerlSock_setprotoent(TOPi); |
a0d0e21e LW |
5031 | RETSETYES; |
5032 | #else | |
cea2e8a9 | 5033 | DIE(aTHX_ PL_no_sock_func, "setprotoent"); |
a0d0e21e LW |
5034 | #endif |
5035 | } | |
5036 | ||
5037 | PP(pp_sservent) | |
5038 | { | |
693762b4 | 5039 | #ifdef HAS_SETSERVENT |
9cad6237 | 5040 | dSP; |
76e3520e | 5041 | PerlSock_setservent(TOPi); |
a0d0e21e LW |
5042 | RETSETYES; |
5043 | #else | |
cea2e8a9 | 5044 | DIE(aTHX_ PL_no_sock_func, "setservent"); |
a0d0e21e LW |
5045 | #endif |
5046 | } | |
5047 | ||
5048 | PP(pp_ehostent) | |
5049 | { | |
693762b4 | 5050 | #ifdef HAS_ENDHOSTENT |
9cad6237 | 5051 | dSP; |
76e3520e | 5052 | PerlSock_endhostent(); |
924508f0 | 5053 | EXTEND(SP,1); |
a0d0e21e LW |
5054 | RETPUSHYES; |
5055 | #else | |
cea2e8a9 | 5056 | DIE(aTHX_ PL_no_sock_func, "endhostent"); |
a0d0e21e LW |
5057 | #endif |
5058 | } | |
5059 | ||
5060 | PP(pp_enetent) | |
5061 | { | |
693762b4 | 5062 | #ifdef HAS_ENDNETENT |
9cad6237 | 5063 | dSP; |
76e3520e | 5064 | PerlSock_endnetent(); |
924508f0 | 5065 | EXTEND(SP,1); |
a0d0e21e LW |
5066 | RETPUSHYES; |
5067 | #else | |
cea2e8a9 | 5068 | DIE(aTHX_ PL_no_sock_func, "endnetent"); |
a0d0e21e LW |
5069 | #endif |
5070 | } | |
5071 | ||
5072 | PP(pp_eprotoent) | |
5073 | { | |
693762b4 | 5074 | #ifdef HAS_ENDPROTOENT |
9cad6237 | 5075 | dSP; |
76e3520e | 5076 | PerlSock_endprotoent(); |
924508f0 | 5077 | EXTEND(SP,1); |
a0d0e21e LW |
5078 | RETPUSHYES; |
5079 | #else | |
cea2e8a9 | 5080 | DIE(aTHX_ PL_no_sock_func, "endprotoent"); |
a0d0e21e LW |
5081 | #endif |
5082 | } | |
5083 | ||
5084 | PP(pp_eservent) | |
5085 | { | |
693762b4 | 5086 | #ifdef HAS_ENDSERVENT |
9cad6237 | 5087 | dSP; |
76e3520e | 5088 | PerlSock_endservent(); |
924508f0 | 5089 | EXTEND(SP,1); |
a0d0e21e LW |
5090 | RETPUSHYES; |
5091 | #else | |
cea2e8a9 | 5092 | DIE(aTHX_ PL_no_sock_func, "endservent"); |
a0d0e21e LW |
5093 | #endif |
5094 | } | |
5095 | ||
5096 | PP(pp_gpwnam) | |
5097 | { | |
5098 | #ifdef HAS_PASSWD | |
cea2e8a9 | 5099 | return pp_gpwent(); |
a0d0e21e | 5100 | #else |
cea2e8a9 | 5101 | DIE(aTHX_ PL_no_func, "getpwnam"); |
a0d0e21e LW |
5102 | #endif |
5103 | } | |
5104 | ||
5105 | PP(pp_gpwuid) | |
5106 | { | |
5107 | #ifdef HAS_PASSWD | |
cea2e8a9 | 5108 | return pp_gpwent(); |
a0d0e21e | 5109 | #else |
cea2e8a9 | 5110 | DIE(aTHX_ PL_no_func, "getpwuid"); |
a0d0e21e LW |
5111 | #endif |
5112 | } | |
5113 | ||
5114 | PP(pp_gpwent) | |
5115 | { | |
0994c4d0 | 5116 | #ifdef HAS_PASSWD |
9cad6237 | 5117 | dSP; |
533c011a | 5118 | I32 which = PL_op->op_type; |
a0d0e21e | 5119 | register SV *sv; |
2d8e6c8d | 5120 | STRLEN n_a; |
e3aefe8d | 5121 | struct passwd *pwent = NULL; |
301e8125 | 5122 | /* |
bcf53261 JH |
5123 | * We currently support only the SysV getsp* shadow password interface. |
5124 | * The interface is declared in <shadow.h> and often one needs to link | |
5125 | * with -lsecurity or some such. | |
5126 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
5127 | * (and SCO?) | |
5128 | * | |
5129 | * AIX getpwnam() is clever enough to return the encrypted password | |
5130 | * only if the caller (euid?) is root. | |
5131 | * | |
5132 | * There are at least two other shadow password APIs. Many platforms | |
5133 | * seem to contain more than one interface for accessing the shadow | |
5134 | * password databases, possibly for compatibility reasons. | |
3813c136 | 5135 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
5136 | * are much more complicated, but also very similar to each other. |
5137 | * | |
5138 | * <sys/types.h> | |
5139 | * <sys/security.h> | |
5140 | * <prot.h> | |
5141 | * struct pr_passwd *getprpw*(); | |
5142 | * The password is in | |
3813c136 JH |
5143 | * char getprpw*(...).ufld.fd_encrypt[] |
5144 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
5145 | * |
5146 | * <sys/types.h> | |
5147 | * <sys/security.h> | |
5148 | * <prot.h> | |
5149 | * struct es_passwd *getespw*(); | |
5150 | * The password is in | |
5151 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 5152 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 5153 | * |
3813c136 | 5154 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
5155 | * |
5156 | * In HP-UX for getprpw*() the manual page claims that one should include | |
5157 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
5158 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
5159 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
5160 | * |
5161 | * Note that <sys/security.h> is already probed for, but currently | |
5162 | * it is only included in special cases. | |
301e8125 | 5163 | * |
bcf53261 JH |
5164 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
5165 | * be preferred interface, even though also the getprpw*() interface | |
5166 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
5167 | * One also needs to call set_auth_parameters() in main() before |
5168 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
5169 | * | |
5170 | * Note that accessing the shadow databases can be magnitudes | |
5171 | * slower than accessing the standard databases. | |
bcf53261 JH |
5172 | * |
5173 | * --jhi | |
5174 | */ | |
a0d0e21e | 5175 | |
e3aefe8d JH |
5176 | switch (which) { |
5177 | case OP_GPWNAM: | |
42e0c139 | 5178 | pwent = getpwnam(POPpbytex); |
e3aefe8d JH |
5179 | break; |
5180 | case OP_GPWUID: | |
5181 | pwent = getpwuid((Uid_t)POPi); | |
5182 | break; | |
5183 | case OP_GPWENT: | |
1883634f | 5184 | # ifdef HAS_GETPWENT |
e3aefe8d | 5185 | pwent = getpwent(); |
1883634f | 5186 | # else |
a45d1c96 | 5187 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5188 | # endif |
e3aefe8d JH |
5189 | break; |
5190 | } | |
8c0bfa08 | 5191 | |
a0d0e21e LW |
5192 | EXTEND(SP, 10); |
5193 | if (GIMME != G_ARRAY) { | |
5194 | PUSHs(sv = sv_newmortal()); | |
5195 | if (pwent) { | |
5196 | if (which == OP_GPWNAM) | |
1883634f | 5197 | # if Uid_t_sign <= 0 |
1e422769 | 5198 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5199 | # else |
23dcd6c8 | 5200 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5201 | # endif |
a0d0e21e LW |
5202 | else |
5203 | sv_setpv(sv, pwent->pw_name); | |
5204 | } | |
5205 | RETURN; | |
5206 | } | |
5207 | ||
5208 | if (pwent) { | |
3280af22 | 5209 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5210 | sv_setpv(sv, pwent->pw_name); |
6ee623d5 | 5211 | |
3280af22 | 5212 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
3813c136 JH |
5213 | SvPOK_off(sv); |
5214 | /* If we have getspnam(), we try to dig up the shadow | |
5215 | * password. If we are underprivileged, the shadow | |
5216 | * interface will set the errno to EACCES or similar, | |
5217 | * and return a null pointer. If this happens, we will | |
5218 | * use the dummy password (usually "*" or "x") from the | |
5219 | * standard password database. | |
5220 | * | |
5221 | * In theory we could skip the shadow call completely | |
5222 | * if euid != 0 but in practice we cannot know which | |
5223 | * security measures are guarding the shadow databases | |
5224 | * on a random platform. | |
5225 | * | |
5226 | * Resist the urge to use additional shadow interfaces. | |
5227 | * Divert the urge to writing an extension instead. | |
5228 | * | |
5229 | * --jhi */ | |
e3aefe8d | 5230 | # ifdef HAS_GETSPNAM |
3813c136 JH |
5231 | { |
5232 | struct spwd *spwent; | |
5233 | int saverrno; /* Save and restore errno so that | |
5234 | * underprivileged attempts seem | |
5235 | * to have never made the unsccessful | |
5236 | * attempt to retrieve the shadow password. */ | |
5237 | ||
5238 | saverrno = errno; | |
5239 | spwent = getspnam(pwent->pw_name); | |
5240 | errno = saverrno; | |
5241 | if (spwent && spwent->sp_pwdp) | |
5242 | sv_setpv(sv, spwent->sp_pwdp); | |
5243 | } | |
f1066039 | 5244 | # endif |
e020c87d | 5245 | # ifdef PWPASSWD |
3813c136 JH |
5246 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5247 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5248 | # endif |
3813c136 | 5249 | |
1883634f | 5250 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5251 | /* passwd is tainted because user himself can diddle with it. |
5252 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5253 | SvTAINTED_on(sv); |
1883634f | 5254 | # endif |
6ee623d5 | 5255 | |
3280af22 | 5256 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5257 | # if Uid_t_sign <= 0 |
1e422769 | 5258 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5259 | # else |
23dcd6c8 | 5260 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5261 | # endif |
6ee623d5 | 5262 | |
3280af22 | 5263 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5264 | # if Uid_t_sign <= 0 |
1e422769 | 5265 | sv_setiv(sv, (IV)pwent->pw_gid); |
1883634f | 5266 | # else |
23dcd6c8 | 5267 | sv_setuv(sv, (UV)pwent->pw_gid); |
1883634f | 5268 | # endif |
3813c136 JH |
5269 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5270 | * because of the poor interface of the Perl getpw*(), | |
5271 | * not because there's some standard/convention saying so. | |
5272 | * A better interface would have been to return a hash, | |
5273 | * but we are accursed by our history, alas. --jhi. */ | |
3280af22 | 5274 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5275 | # ifdef PWCHANGE |
1e422769 | 5276 | sv_setiv(sv, (IV)pwent->pw_change); |
6ee623d5 | 5277 | # else |
1883634f JH |
5278 | # ifdef PWQUOTA |
5279 | sv_setiv(sv, (IV)pwent->pw_quota); | |
5280 | # else | |
a1757be1 | 5281 | # ifdef PWAGE |
a0d0e21e | 5282 | sv_setpv(sv, pwent->pw_age); |
a1757be1 | 5283 | # endif |
6ee623d5 GS |
5284 | # endif |
5285 | # endif | |
6ee623d5 | 5286 | |
3813c136 JH |
5287 | /* pw_class and pw_comment are mutually exclusive--. |
5288 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
3280af22 | 5289 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5290 | # ifdef PWCLASS |
a0d0e21e | 5291 | sv_setpv(sv, pwent->pw_class); |
1883634f JH |
5292 | # else |
5293 | # ifdef PWCOMMENT | |
a0d0e21e | 5294 | sv_setpv(sv, pwent->pw_comment); |
1883634f | 5295 | # endif |
6ee623d5 | 5296 | # endif |
6ee623d5 | 5297 | |
3280af22 | 5298 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5299 | # ifdef PWGECOS |
a0d0e21e | 5300 | sv_setpv(sv, pwent->pw_gecos); |
1883634f JH |
5301 | # endif |
5302 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5303 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5304 | SvTAINTED_on(sv); |
1883634f | 5305 | # endif |
6ee623d5 | 5306 | |
3280af22 | 5307 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5308 | sv_setpv(sv, pwent->pw_dir); |
6ee623d5 | 5309 | |
3280af22 | 5310 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5311 | sv_setpv(sv, pwent->pw_shell); |
1883634f | 5312 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5313 | /* pw_shell is tainted because user himself can diddle with it. */ |
5314 | SvTAINTED_on(sv); | |
1883634f | 5315 | # endif |
6ee623d5 | 5316 | |
1883634f | 5317 | # ifdef PWEXPIRE |
6b88bc9c | 5318 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5319 | sv_setiv(sv, (IV)pwent->pw_expire); |
1883634f | 5320 | # endif |
a0d0e21e LW |
5321 | } |
5322 | RETURN; | |
5323 | #else | |
cea2e8a9 | 5324 | DIE(aTHX_ PL_no_func, "getpwent"); |
a0d0e21e LW |
5325 | #endif |
5326 | } | |
5327 | ||
5328 | PP(pp_spwent) | |
5329 | { | |
d493b042 | 5330 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) |
9cad6237 | 5331 | dSP; |
a0d0e21e LW |
5332 | setpwent(); |
5333 | RETPUSHYES; | |
5334 | #else | |
cea2e8a9 | 5335 | DIE(aTHX_ PL_no_func, "setpwent"); |
a0d0e21e LW |
5336 | #endif |
5337 | } | |
5338 | ||
5339 | PP(pp_epwent) | |
5340 | { | |
28e8609d | 5341 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) |
9cad6237 | 5342 | dSP; |
a0d0e21e LW |
5343 | endpwent(); |
5344 | RETPUSHYES; | |
5345 | #else | |
cea2e8a9 | 5346 | DIE(aTHX_ PL_no_func, "endpwent"); |
a0d0e21e LW |
5347 | #endif |
5348 | } | |
5349 | ||
5350 | PP(pp_ggrnam) | |
5351 | { | |
5352 | #ifdef HAS_GROUP | |
cea2e8a9 | 5353 | return pp_ggrent(); |
a0d0e21e | 5354 | #else |
cea2e8a9 | 5355 | DIE(aTHX_ PL_no_func, "getgrnam"); |
a0d0e21e LW |
5356 | #endif |
5357 | } | |
5358 | ||
5359 | PP(pp_ggrgid) | |
5360 | { | |
5361 | #ifdef HAS_GROUP | |
cea2e8a9 | 5362 | return pp_ggrent(); |
a0d0e21e | 5363 | #else |
cea2e8a9 | 5364 | DIE(aTHX_ PL_no_func, "getgrgid"); |
a0d0e21e LW |
5365 | #endif |
5366 | } | |
5367 | ||
5368 | PP(pp_ggrent) | |
5369 | { | |
0994c4d0 | 5370 | #ifdef HAS_GROUP |
9cad6237 | 5371 | dSP; |
533c011a | 5372 | I32 which = PL_op->op_type; |
a0d0e21e LW |
5373 | register char **elem; |
5374 | register SV *sv; | |
5375 | struct group *grent; | |
2d8e6c8d | 5376 | STRLEN n_a; |
a0d0e21e LW |
5377 | |
5378 | if (which == OP_GGRNAM) | |
42e0c139 | 5379 | grent = (struct group *)getgrnam(POPpbytex); |
a0d0e21e LW |
5380 | else if (which == OP_GGRGID) |
5381 | grent = (struct group *)getgrgid(POPi); | |
5382 | else | |
0994c4d0 | 5383 | #ifdef HAS_GETGRENT |
a0d0e21e | 5384 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5385 | #else |
5386 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5387 | #endif | |
a0d0e21e LW |
5388 | |
5389 | EXTEND(SP, 4); | |
5390 | if (GIMME != G_ARRAY) { | |
5391 | PUSHs(sv = sv_newmortal()); | |
5392 | if (grent) { | |
5393 | if (which == OP_GGRNAM) | |
1e422769 | 5394 | sv_setiv(sv, (IV)grent->gr_gid); |
a0d0e21e LW |
5395 | else |
5396 | sv_setpv(sv, grent->gr_name); | |
5397 | } | |
5398 | RETURN; | |
5399 | } | |
5400 | ||
5401 | if (grent) { | |
3280af22 | 5402 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5403 | sv_setpv(sv, grent->gr_name); |
28e8609d | 5404 | |
3280af22 | 5405 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
28e8609d | 5406 | #ifdef GRPASSWD |
a0d0e21e | 5407 | sv_setpv(sv, grent->gr_passwd); |
28e8609d JH |
5408 | #endif |
5409 | ||
3280af22 | 5410 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5411 | sv_setiv(sv, (IV)grent->gr_gid); |
28e8609d | 5412 | |
3280af22 | 5413 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 5414 | for (elem = grent->gr_mem; elem && *elem; elem++) { |
a0d0e21e LW |
5415 | sv_catpv(sv, *elem); |
5416 | if (elem[1]) | |
5417 | sv_catpvn(sv, " ", 1); | |
5418 | } | |
5419 | } | |
5420 | ||
5421 | RETURN; | |
5422 | #else | |
cea2e8a9 | 5423 | DIE(aTHX_ PL_no_func, "getgrent"); |
a0d0e21e LW |
5424 | #endif |
5425 | } | |
5426 | ||
5427 | PP(pp_sgrent) | |
5428 | { | |
28e8609d | 5429 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) |
9cad6237 | 5430 | dSP; |
a0d0e21e LW |
5431 | setgrent(); |
5432 | RETPUSHYES; | |
5433 | #else | |
cea2e8a9 | 5434 | DIE(aTHX_ PL_no_func, "setgrent"); |
a0d0e21e LW |
5435 | #endif |
5436 | } | |
5437 | ||
5438 | PP(pp_egrent) | |
5439 | { | |
28e8609d | 5440 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) |
9cad6237 | 5441 | dSP; |
a0d0e21e LW |
5442 | endgrent(); |
5443 | RETPUSHYES; | |
5444 | #else | |
cea2e8a9 | 5445 | DIE(aTHX_ PL_no_func, "endgrent"); |
a0d0e21e LW |
5446 | #endif |
5447 | } | |
5448 | ||
5449 | PP(pp_getlogin) | |
5450 | { | |
a0d0e21e | 5451 | #ifdef HAS_GETLOGIN |
9cad6237 | 5452 | dSP; dTARGET; |
a0d0e21e LW |
5453 | char *tmps; |
5454 | EXTEND(SP, 1); | |
76e3520e | 5455 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e LW |
5456 | RETPUSHUNDEF; |
5457 | PUSHp(tmps, strlen(tmps)); | |
5458 | RETURN; | |
5459 | #else | |
cea2e8a9 | 5460 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5461 | #endif |
5462 | } | |
5463 | ||
5464 | /* Miscellaneous. */ | |
5465 | ||
5466 | PP(pp_syscall) | |
5467 | { | |
d2719217 | 5468 | #ifdef HAS_SYSCALL |
39644a26 | 5469 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5470 | register I32 items = SP - MARK; |
5471 | unsigned long a[20]; | |
5472 | register I32 i = 0; | |
5473 | I32 retval = -1; | |
2d8e6c8d | 5474 | STRLEN n_a; |
a0d0e21e | 5475 | |
3280af22 | 5476 | if (PL_tainting) { |
a0d0e21e | 5477 | while (++MARK <= SP) { |
bbce6d69 | 5478 | if (SvTAINTED(*MARK)) { |
5479 | TAINT; | |
5480 | break; | |
5481 | } | |
a0d0e21e LW |
5482 | } |
5483 | MARK = ORIGMARK; | |
5484 | TAINT_PROPER("syscall"); | |
5485 | } | |
5486 | ||
5487 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5488 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5489 | * not likely have syscall implemented either, so who cares? | |
5490 | */ | |
5491 | while (++MARK <= SP) { | |
5492 | if (SvNIOK(*MARK) || !i) | |
5493 | a[i++] = SvIV(*MARK); | |
3280af22 | 5494 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5495 | a[i++] = 0; |
301e8125 | 5496 | else |
2d8e6c8d | 5497 | a[i++] = (unsigned long)SvPV_force(*MARK, n_a); |
a0d0e21e LW |
5498 | if (i > 15) |
5499 | break; | |
5500 | } | |
5501 | switch (items) { | |
5502 | default: | |
cea2e8a9 | 5503 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5504 | case 0: |
cea2e8a9 | 5505 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5506 | case 1: |
5507 | retval = syscall(a[0]); | |
5508 | break; | |
5509 | case 2: | |
5510 | retval = syscall(a[0],a[1]); | |
5511 | break; | |
5512 | case 3: | |
5513 | retval = syscall(a[0],a[1],a[2]); | |
5514 | break; | |
5515 | case 4: | |
5516 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5517 | break; | |
5518 | case 5: | |
5519 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5520 | break; | |
5521 | case 6: | |
5522 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5523 | break; | |
5524 | case 7: | |
5525 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5526 | break; | |
5527 | case 8: | |
5528 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5529 | break; | |
5530 | #ifdef atarist | |
5531 | case 9: | |
5532 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5533 | break; | |
5534 | case 10: | |
5535 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5536 | break; | |
5537 | case 11: | |
5538 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5539 | a[10]); | |
5540 | break; | |
5541 | case 12: | |
5542 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5543 | a[10],a[11]); | |
5544 | break; | |
5545 | case 13: | |
5546 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5547 | a[10],a[11],a[12]); | |
5548 | break; | |
5549 | case 14: | |
5550 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5551 | a[10],a[11],a[12],a[13]); | |
5552 | break; | |
5553 | #endif /* atarist */ | |
5554 | } | |
5555 | SP = ORIGMARK; | |
5556 | PUSHi(retval); | |
5557 | RETURN; | |
5558 | #else | |
cea2e8a9 | 5559 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5560 | #endif |
5561 | } | |
5562 | ||
ff68c719 | 5563 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5564 | |
ff68c719 | 5565 | /* XXX Emulate flock() with fcntl(). |
5566 | What's really needed is a good file locking module. | |
5567 | */ | |
5568 | ||
cea2e8a9 GS |
5569 | static int |
5570 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5571 | { |
5572 | struct flock flock; | |
301e8125 | 5573 | |
ff68c719 | 5574 | switch (operation & ~LOCK_NB) { |
5575 | case LOCK_SH: | |
5576 | flock.l_type = F_RDLCK; | |
5577 | break; | |
5578 | case LOCK_EX: | |
5579 | flock.l_type = F_WRLCK; | |
5580 | break; | |
5581 | case LOCK_UN: | |
5582 | flock.l_type = F_UNLCK; | |
5583 | break; | |
5584 | default: | |
5585 | errno = EINVAL; | |
5586 | return -1; | |
5587 | } | |
5588 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5589 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5590 | |
ff68c719 | 5591 | return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5592 | } | |
5593 | ||
5594 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5595 | ||
5596 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5597 | |
5598 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5599 | portability of scripts. The calls are not completely | |
5600 | interchangeable. What's really needed is a good file | |
5601 | locking module. | |
5602 | */ | |
5603 | ||
76c32331 | 5604 | /* The lockf() constants might have been defined in <unistd.h>. |
5605 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5606 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5607 | |
5608 | Further, the lockf() constants aren't POSIX, so they might not be | |
5609 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5610 | just stick in the SVID values and be done with it. Sigh. | |
5611 | */ | |
5612 | ||
5613 | # ifndef F_ULOCK | |
5614 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5615 | # endif | |
5616 | # ifndef F_LOCK | |
5617 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5618 | # endif | |
5619 | # ifndef F_TLOCK | |
5620 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5621 | # endif | |
5622 | # ifndef F_TEST | |
5623 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5624 | # endif | |
5625 | ||
cea2e8a9 GS |
5626 | static int |
5627 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5628 | { |
5629 | int i; | |
84902520 TB |
5630 | int save_errno; |
5631 | Off_t pos; | |
5632 | ||
5633 | /* flock locks entire file so for lockf we need to do the same */ | |
5634 | save_errno = errno; | |
6ad3d225 | 5635 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5636 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5637 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5638 | pos = -1; /* seek failed, so don't seek back afterwards */ |
84902520 TB |
5639 | errno = save_errno; |
5640 | ||
16d20bd9 AD |
5641 | switch (operation) { |
5642 | ||
5643 | /* LOCK_SH - get a shared lock */ | |
5644 | case LOCK_SH: | |
5645 | /* LOCK_EX - get an exclusive lock */ | |
5646 | case LOCK_EX: | |
5647 | i = lockf (fd, F_LOCK, 0); | |
5648 | break; | |
5649 | ||
5650 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5651 | case LOCK_SH|LOCK_NB: | |
5652 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5653 | case LOCK_EX|LOCK_NB: | |
5654 | i = lockf (fd, F_TLOCK, 0); | |
5655 | if (i == -1) | |
5656 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5657 | errno = EWOULDBLOCK; | |
5658 | break; | |
5659 | ||
ff68c719 | 5660 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5661 | case LOCK_UN: |
ff68c719 | 5662 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5663 | i = lockf (fd, F_ULOCK, 0); |
5664 | break; | |
5665 | ||
5666 | /* Default - can't decipher operation */ | |
5667 | default: | |
5668 | i = -1; | |
5669 | errno = EINVAL; | |
5670 | break; | |
5671 | } | |
84902520 TB |
5672 | |
5673 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5674 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5675 | |
16d20bd9 AD |
5676 | return (i); |
5677 | } | |
ff68c719 | 5678 | |
5679 | #endif /* LOCKF_EMULATE_FLOCK */ |