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 |
20ce7b12 | 83 | struct passwd *getpwent (void); |
28e8609d | 84 | # endif |
a0d0e21e LW |
85 | #endif |
86 | ||
87 | #ifdef HAS_GROUP | |
88 | # ifdef I_GRP | |
89 | # include <grp.h> | |
90 | # else | |
20ce7b12 GS |
91 | struct group *getgrnam (char *); |
92 | struct group *getgrgid (Gid_t); | |
a0d0e21e | 93 | # endif |
28e8609d | 94 | # ifdef HAS_GETGRENT |
20ce7b12 | 95 | struct group *getgrent (void); |
28e8609d | 96 | # endif |
a0d0e21e LW |
97 | #endif |
98 | ||
99 | #ifdef I_UTIME | |
3730b96e | 100 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 101 | # include <sys/utime.h> |
102 | # else | |
103 | # include <utime.h> | |
104 | # endif | |
a0d0e21e | 105 | #endif |
a0d0e21e | 106 | |
cbdc8872 | 107 | #ifdef HAS_CHSIZE |
cd52b7b2 | 108 | # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ |
109 | # undef my_chsize | |
110 | # endif | |
6ad3d225 | 111 | # define my_chsize PerlLIO_chsize |
cbdc8872 | 112 | #endif |
113 | ||
ff68c719 | 114 | #ifdef HAS_FLOCK |
115 | # define FLOCK flock | |
116 | #else /* no flock() */ | |
117 | ||
36477c24 | 118 | /* fcntl.h might not have been included, even if it exists, because |
119 | the current Configure only sets I_FCNTL if it's needed to pick up | |
120 | the *_OK constants. Make sure it has been included before testing | |
121 | the fcntl() locking constants. */ | |
122 | # if defined(HAS_FCNTL) && !defined(I_FCNTL) | |
123 | # include <fcntl.h> | |
124 | # endif | |
125 | ||
9d9004a9 | 126 | # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK) |
ff68c719 | 127 | # define FLOCK fcntl_emulate_flock |
128 | # define FCNTL_EMULATE_FLOCK | |
129 | # else /* no flock() or fcntl(F_SETLK,...) */ | |
130 | # ifdef HAS_LOCKF | |
131 | # define FLOCK lockf_emulate_flock | |
132 | # define LOCKF_EMULATE_FLOCK | |
133 | # endif /* lockf */ | |
134 | # endif /* no flock() or fcntl(F_SETLK,...) */ | |
135 | ||
136 | # ifdef FLOCK | |
20ce7b12 | 137 | static int FLOCK (int, int); |
ff68c719 | 138 | |
139 | /* | |
140 | * These are the flock() constants. Since this sytems doesn't have | |
141 | * flock(), the values of the constants are probably not available. | |
142 | */ | |
143 | # ifndef LOCK_SH | |
144 | # define LOCK_SH 1 | |
145 | # endif | |
146 | # ifndef LOCK_EX | |
147 | # define LOCK_EX 2 | |
148 | # endif | |
149 | # ifndef LOCK_NB | |
150 | # define LOCK_NB 4 | |
151 | # endif | |
152 | # ifndef LOCK_UN | |
153 | # define LOCK_UN 8 | |
154 | # endif | |
155 | # endif /* emulating flock() */ | |
156 | ||
157 | #endif /* no flock() */ | |
55497cff | 158 | |
85ab1d1d JH |
159 | #define ZBTLEN 10 |
160 | static char zero_but_true[ZBTLEN + 1] = "0 but true"; | |
161 | ||
5ff3f7a4 GS |
162 | #if defined(I_SYS_ACCESS) && !defined(R_OK) |
163 | # include <sys/access.h> | |
164 | #endif | |
165 | ||
c529f79d CB |
166 | #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC) |
167 | # define FD_CLOEXEC 1 /* NeXT needs this */ | |
168 | #endif | |
169 | ||
5ff3f7a4 GS |
170 | #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */ |
171 | #undef PERL_EFF_ACCESS_W_OK | |
172 | #undef PERL_EFF_ACCESS_X_OK | |
173 | ||
174 | /* F_OK unused: if stat() cannot find it... */ | |
175 | ||
176 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) | |
c955f117 | 177 | /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */ |
5ff3f7a4 GS |
178 | # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK)) |
179 | # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK)) | |
180 | # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK)) | |
181 | #endif | |
182 | ||
183 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS) | |
3813c136 | 184 | # ifdef I_SYS_SECURITY |
5ff3f7a4 GS |
185 | # include <sys/security.h> |
186 | # endif | |
c955f117 JH |
187 | # ifdef ACC_SELF |
188 | /* HP SecureWare */ | |
189 | # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF)) | |
190 | # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF)) | |
191 | # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF)) | |
192 | # else | |
193 | /* SCO */ | |
194 | # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK)) | |
195 | # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK)) | |
196 | # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK)) | |
197 | # endif | |
5ff3f7a4 GS |
198 | #endif |
199 | ||
200 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF) | |
c955f117 | 201 | /* AIX */ |
5ff3f7a4 GS |
202 | # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF)) |
203 | # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF)) | |
204 | # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF)) | |
205 | #endif | |
206 | ||
327c3667 GS |
207 | #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \ |
208 | && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \ | |
209 | || defined(HAS_SETREGID) || defined(HAS_SETRESGID)) | |
5ff3f7a4 | 210 | /* The Hard Way. */ |
327c3667 | 211 | STATIC int |
7f4774ae | 212 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 213 | { |
5ff3f7a4 GS |
214 | Uid_t ruid = getuid(); |
215 | Uid_t euid = geteuid(); | |
216 | Gid_t rgid = getgid(); | |
217 | Gid_t egid = getegid(); | |
218 | int res; | |
219 | ||
146174a9 | 220 | LOCK_CRED_MUTEX; |
5ff3f7a4 | 221 | #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) |
cea2e8a9 | 222 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
223 | #else |
224 | #ifdef HAS_SETREUID | |
225 | if (setreuid(euid, ruid)) | |
226 | #else | |
227 | #ifdef HAS_SETRESUID | |
228 | if (setresuid(euid, ruid, (Uid_t)-1)) | |
229 | #endif | |
230 | #endif | |
cea2e8a9 | 231 | Perl_croak(aTHX_ "entering effective uid failed"); |
5ff3f7a4 GS |
232 | #endif |
233 | ||
234 | #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID) | |
cea2e8a9 | 235 | Perl_croak(aTHX_ "switching effective gid is not implemented"); |
5ff3f7a4 GS |
236 | #else |
237 | #ifdef HAS_SETREGID | |
238 | if (setregid(egid, rgid)) | |
239 | #else | |
240 | #ifdef HAS_SETRESGID | |
241 | if (setresgid(egid, rgid, (Gid_t)-1)) | |
242 | #endif | |
243 | #endif | |
cea2e8a9 | 244 | Perl_croak(aTHX_ "entering effective gid failed"); |
5ff3f7a4 GS |
245 | #endif |
246 | ||
247 | res = access(path, mode); | |
248 | ||
249 | #ifdef HAS_SETREUID | |
250 | if (setreuid(ruid, euid)) | |
251 | #else | |
252 | #ifdef HAS_SETRESUID | |
253 | if (setresuid(ruid, euid, (Uid_t)-1)) | |
254 | #endif | |
255 | #endif | |
cea2e8a9 | 256 | Perl_croak(aTHX_ "leaving effective uid failed"); |
5ff3f7a4 GS |
257 | |
258 | #ifdef HAS_SETREGID | |
259 | if (setregid(rgid, egid)) | |
260 | #else | |
261 | #ifdef HAS_SETRESGID | |
262 | if (setresgid(rgid, egid, (Gid_t)-1)) | |
263 | #endif | |
264 | #endif | |
cea2e8a9 | 265 | Perl_croak(aTHX_ "leaving effective gid failed"); |
146174a9 | 266 | UNLOCK_CRED_MUTEX; |
5ff3f7a4 GS |
267 | |
268 | return res; | |
269 | } | |
270 | # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK)) | |
271 | # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK)) | |
272 | # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK)) | |
273 | #endif | |
274 | ||
275 | #if !defined(PERL_EFF_ACCESS_R_OK) | |
76ffd3b9 IZ |
276 | /* With it or without it: anyway you get a warning: either that |
277 | it is unused, or it is declared static and never defined. | |
278 | */ | |
327c3667 | 279 | STATIC int |
7f4774ae | 280 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 281 | { |
cea2e8a9 | 282 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
283 | /*NOTREACHED*/ |
284 | return -1; | |
285 | } | |
286 | #endif | |
287 | ||
a0d0e21e LW |
288 | PP(pp_backtick) |
289 | { | |
39644a26 | 290 | dSP; dTARGET; |
760ac839 | 291 | PerlIO *fp; |
2d8e6c8d GS |
292 | STRLEN n_a; |
293 | char *tmps = POPpx; | |
54310121 | 294 | I32 gimme = GIMME_V; |
16fe6d59 | 295 | char *mode = "r"; |
54310121 | 296 | |
a0d0e21e | 297 | TAINT_PROPER("``"); |
16fe6d59 GS |
298 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
299 | mode = "rb"; | |
300 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
301 | mode = "rt"; | |
302 | fp = PerlProc_popen(tmps, mode); | |
a0d0e21e | 303 | if (fp) { |
ac27b0f5 NIS |
304 | char *type = NULL; |
305 | if (PL_curcop->cop_io) { | |
306 | type = SvPV_nolen(PL_curcop->cop_io); | |
307 | } | |
ac27b0f5 NIS |
308 | if (type && *type) |
309 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
310 | ||
54310121 | 311 | if (gimme == G_VOID) { |
96827780 MB |
312 | char tmpbuf[256]; |
313 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
54310121 | 314 | /*SUPPRESS 530*/ |
315 | ; | |
316 | } | |
317 | else if (gimme == G_SCALAR) { | |
aa689395 | 318 | sv_setpv(TARG, ""); /* note that this preserves previous buffer */ |
a0d0e21e LW |
319 | while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch) |
320 | /*SUPPRESS 530*/ | |
321 | ; | |
322 | XPUSHs(TARG); | |
aa689395 | 323 | SvTAINTED_on(TARG); |
a0d0e21e LW |
324 | } |
325 | else { | |
326 | SV *sv; | |
327 | ||
328 | for (;;) { | |
8d6dde3e | 329 | sv = NEWSV(56, 79); |
a0d0e21e LW |
330 | if (sv_gets(sv, fp, 0) == Nullch) { |
331 | SvREFCNT_dec(sv); | |
332 | break; | |
333 | } | |
334 | XPUSHs(sv_2mortal(sv)); | |
335 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
336 | SvLEN_set(sv, SvCUR(sv)+1); | |
337 | Renew(SvPVX(sv), SvLEN(sv), char); | |
338 | } | |
aa689395 | 339 | SvTAINTED_on(sv); |
a0d0e21e LW |
340 | } |
341 | } | |
6ad3d225 | 342 | STATUS_NATIVE_SET(PerlProc_pclose(fp)); |
aa689395 | 343 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
344 | } |
345 | else { | |
f86702cc | 346 | STATUS_NATIVE_SET(-1); |
54310121 | 347 | if (gimme == G_SCALAR) |
a0d0e21e LW |
348 | RETPUSHUNDEF; |
349 | } | |
350 | ||
351 | RETURN; | |
352 | } | |
353 | ||
354 | PP(pp_glob) | |
355 | { | |
356 | OP *result; | |
f5284f61 IZ |
357 | tryAMAGICunTARGET(iter, -1); |
358 | ||
71686f12 GS |
359 | /* Note that we only ever get here if File::Glob fails to load |
360 | * without at the same time croaking, for some reason, or if | |
361 | * perl was built with PERL_EXTERNAL_GLOB */ | |
362 | ||
a0d0e21e | 363 | ENTER; |
a0d0e21e | 364 | |
c90c0ff4 | 365 | #ifndef VMS |
3280af22 | 366 | if (PL_tainting) { |
7bac28a0 | 367 | /* |
368 | * The external globbing program may use things we can't control, | |
369 | * so for security reasons we must assume the worst. | |
370 | */ | |
371 | TAINT; | |
22c35a8c | 372 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 373 | } |
c90c0ff4 | 374 | #endif /* !VMS */ |
7bac28a0 | 375 | |
3280af22 NIS |
376 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
377 | PL_last_in_gv = (GV*)*PL_stack_sp--; | |
a0d0e21e | 378 | |
3280af22 | 379 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
79cb57f6 | 380 | PL_rs = sv_2mortal(newSVpvn("\000", 1)); |
c07a80fd | 381 | #ifndef DOSISH |
382 | #ifndef CSH | |
6b88bc9c | 383 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 384 | #endif /* !CSH */ |
55497cff | 385 | #endif /* !DOSISH */ |
c07a80fd | 386 | |
a0d0e21e LW |
387 | result = do_readline(); |
388 | LEAVE; | |
389 | return result; | |
390 | } | |
391 | ||
a0d0e21e LW |
392 | PP(pp_rcatline) |
393 | { | |
146174a9 | 394 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
395 | return do_readline(); |
396 | } | |
397 | ||
398 | PP(pp_warn) | |
399 | { | |
39644a26 | 400 | dSP; dMARK; |
06bf62c7 | 401 | SV *tmpsv; |
a0d0e21e | 402 | char *tmps; |
06bf62c7 | 403 | STRLEN len; |
a0d0e21e LW |
404 | if (SP - MARK != 1) { |
405 | dTARGET; | |
3280af22 | 406 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 407 | tmpsv = TARG; |
a0d0e21e LW |
408 | SP = MARK + 1; |
409 | } | |
410 | else { | |
06bf62c7 | 411 | tmpsv = TOPs; |
a0d0e21e | 412 | } |
06bf62c7 GS |
413 | tmps = SvPV(tmpsv, len); |
414 | if (!tmps || !len) { | |
4e6ea2c3 GS |
415 | SV *error = ERRSV; |
416 | (void)SvUPGRADE(error, SVt_PV); | |
417 | if (SvPOK(error) && SvCUR(error)) | |
418 | sv_catpv(error, "\t...caught"); | |
06bf62c7 GS |
419 | tmpsv = error; |
420 | tmps = SvPV(tmpsv, len); | |
a0d0e21e | 421 | } |
06bf62c7 GS |
422 | if (!tmps || !len) |
423 | tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26)); | |
424 | ||
cb50131a | 425 | Perl_warn(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
426 | RETSETYES; |
427 | } | |
428 | ||
429 | PP(pp_die) | |
430 | { | |
39644a26 | 431 | dSP; dMARK; |
a0d0e21e | 432 | char *tmps; |
06bf62c7 GS |
433 | SV *tmpsv; |
434 | STRLEN len; | |
435 | bool multiarg = 0; | |
96e176bf CL |
436 | #ifdef VMS |
437 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); | |
438 | #endif | |
a0d0e21e LW |
439 | if (SP - MARK != 1) { |
440 | dTARGET; | |
3280af22 | 441 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 GS |
442 | tmpsv = TARG; |
443 | tmps = SvPV(tmpsv, len); | |
444 | multiarg = 1; | |
a0d0e21e LW |
445 | SP = MARK + 1; |
446 | } | |
447 | else { | |
4e6ea2c3 | 448 | tmpsv = TOPs; |
bf484eac | 449 | tmps = (SvROK(tmpsv) && PL_in_eval) ? Nullch : SvPV(tmpsv, len); |
a0d0e21e | 450 | } |
06bf62c7 | 451 | if (!tmps || !len) { |
4e6ea2c3 GS |
452 | SV *error = ERRSV; |
453 | (void)SvUPGRADE(error, SVt_PV); | |
06bf62c7 GS |
454 | if (multiarg ? SvROK(error) : SvROK(tmpsv)) { |
455 | if (!multiarg) | |
4e6ea2c3 | 456 | SvSetSV(error,tmpsv); |
06bf62c7 | 457 | else if (sv_isobject(error)) { |
05423cc9 GS |
458 | HV *stash = SvSTASH(SvRV(error)); |
459 | GV *gv = gv_fetchmethod(stash, "PROPAGATE"); | |
460 | if (gv) { | |
146174a9 | 461 | SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); |
b448e4fe | 462 | SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); |
05423cc9 GS |
463 | EXTEND(SP, 3); |
464 | PUSHMARK(SP); | |
465 | PUSHs(error); | |
466 | PUSHs(file); | |
467 | PUSHs(line); | |
468 | PUTBACK; | |
864dbfa3 GS |
469 | call_sv((SV*)GvCV(gv), |
470 | G_SCALAR|G_EVAL|G_KEEPERR); | |
3280af22 | 471 | sv_setsv(error,*PL_stack_sp--); |
05423cc9 GS |
472 | } |
473 | } | |
b3fe4827 | 474 | DIE(aTHX_ Nullformat); |
4e6ea2c3 GS |
475 | } |
476 | else { | |
477 | if (SvPOK(error) && SvCUR(error)) | |
478 | sv_catpv(error, "\t...propagated"); | |
06bf62c7 GS |
479 | tmpsv = error; |
480 | tmps = SvPV(tmpsv, len); | |
4e6ea2c3 | 481 | } |
a0d0e21e | 482 | } |
06bf62c7 GS |
483 | if (!tmps || !len) |
484 | tmpsv = sv_2mortal(newSVpvn("Died", 4)); | |
485 | ||
cb50131a | 486 | DIE(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
487 | } |
488 | ||
489 | /* I/O. */ | |
490 | ||
491 | PP(pp_open) | |
492 | { | |
39644a26 | 493 | dSP; |
a567e93b NIS |
494 | dMARK; dORIGMARK; |
495 | dTARGET; | |
a0d0e21e LW |
496 | GV *gv; |
497 | SV *sv; | |
5b468f54 | 498 | IO *io; |
a0d0e21e LW |
499 | char *tmps; |
500 | STRLEN len; | |
4592e6ca | 501 | MAGIC *mg; |
a567e93b | 502 | bool ok; |
a0d0e21e | 503 | |
a567e93b | 504 | gv = (GV *)*++MARK; |
5f05dabc | 505 | if (!isGV(gv)) |
cea2e8a9 | 506 | DIE(aTHX_ PL_no_usym, "filehandle"); |
5b468f54 | 507 | if ((io = GvIOp(gv))) |
36477c24 | 508 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 509 | |
5b468f54 | 510 | if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) { |
a567e93b NIS |
511 | /* Method's args are same as ours ... */ |
512 | /* ... except handle is replaced by the object */ | |
5b468f54 | 513 | *MARK-- = SvTIED_obj((SV*)io, mg); |
a567e93b | 514 | PUSHMARK(MARK); |
4592e6ca NIS |
515 | PUTBACK; |
516 | ENTER; | |
864dbfa3 | 517 | call_method("OPEN", G_SCALAR); |
4592e6ca NIS |
518 | LEAVE; |
519 | SPAGAIN; | |
520 | RETURN; | |
521 | } | |
522 | ||
a567e93b NIS |
523 | if (MARK < SP) { |
524 | sv = *++MARK; | |
525 | } | |
526 | else { | |
527 | sv = GvSV(gv); | |
528 | } | |
529 | ||
a0d0e21e | 530 | tmps = SvPV(sv, len); |
a567e93b NIS |
531 | ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK)); |
532 | SP = ORIGMARK; | |
533 | if (ok) | |
3280af22 NIS |
534 | PUSHi( (I32)PL_forkprocess ); |
535 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
536 | PUSHi(0); |
537 | else | |
538 | RETPUSHUNDEF; | |
539 | RETURN; | |
540 | } | |
541 | ||
542 | PP(pp_close) | |
543 | { | |
39644a26 | 544 | dSP; |
a0d0e21e | 545 | GV *gv; |
5b468f54 | 546 | IO *io; |
1d603a67 | 547 | MAGIC *mg; |
a0d0e21e LW |
548 | |
549 | if (MAXARG == 0) | |
3280af22 | 550 | gv = PL_defoutgv; |
a0d0e21e LW |
551 | else |
552 | gv = (GV*)POPs; | |
1d603a67 | 553 | |
5b468f54 AMS |
554 | if (gv && (io = GvIO(gv)) |
555 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
556 | { | |
1d603a67 | 557 | PUSHMARK(SP); |
5b468f54 | 558 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
1d603a67 GB |
559 | PUTBACK; |
560 | ENTER; | |
864dbfa3 | 561 | call_method("CLOSE", G_SCALAR); |
1d603a67 GB |
562 | LEAVE; |
563 | SPAGAIN; | |
564 | RETURN; | |
565 | } | |
a0d0e21e | 566 | EXTEND(SP, 1); |
54310121 | 567 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
568 | RETURN; |
569 | } | |
570 | ||
571 | PP(pp_pipe_op) | |
572 | { | |
a0d0e21e | 573 | #ifdef HAS_PIPE |
9cad6237 | 574 | dSP; |
a0d0e21e LW |
575 | GV *rgv; |
576 | GV *wgv; | |
577 | register IO *rstio; | |
578 | register IO *wstio; | |
579 | int fd[2]; | |
580 | ||
581 | wgv = (GV*)POPs; | |
582 | rgv = (GV*)POPs; | |
583 | ||
584 | if (!rgv || !wgv) | |
585 | goto badexit; | |
586 | ||
4633a7c4 | 587 | if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) |
cea2e8a9 | 588 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
589 | rstio = GvIOn(rgv); |
590 | wstio = GvIOn(wgv); | |
591 | ||
592 | if (IoIFP(rstio)) | |
593 | do_close(rgv, FALSE); | |
594 | if (IoIFP(wstio)) | |
595 | do_close(wgv, FALSE); | |
596 | ||
6ad3d225 | 597 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
598 | goto badexit; |
599 | ||
760ac839 LW |
600 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"); |
601 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"); | |
a0d0e21e | 602 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
603 | IoTYPE(rstio) = IoTYPE_RDONLY; |
604 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
605 | |
606 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
760ac839 | 607 | if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio)); |
6ad3d225 | 608 | else PerlLIO_close(fd[0]); |
760ac839 | 609 | if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio)); |
6ad3d225 | 610 | else PerlLIO_close(fd[1]); |
a0d0e21e LW |
611 | goto badexit; |
612 | } | |
4771b018 GS |
613 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
614 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
615 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
616 | #endif | |
a0d0e21e LW |
617 | RETPUSHYES; |
618 | ||
619 | badexit: | |
620 | RETPUSHUNDEF; | |
621 | #else | |
cea2e8a9 | 622 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
623 | #endif |
624 | } | |
625 | ||
626 | PP(pp_fileno) | |
627 | { | |
39644a26 | 628 | dSP; dTARGET; |
a0d0e21e LW |
629 | GV *gv; |
630 | IO *io; | |
760ac839 | 631 | PerlIO *fp; |
4592e6ca NIS |
632 | MAGIC *mg; |
633 | ||
a0d0e21e LW |
634 | if (MAXARG < 1) |
635 | RETPUSHUNDEF; | |
636 | gv = (GV*)POPs; | |
4592e6ca | 637 | |
5b468f54 AMS |
638 | if (gv && (io = GvIO(gv)) |
639 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
640 | { | |
4592e6ca | 641 | PUSHMARK(SP); |
5b468f54 | 642 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
643 | PUTBACK; |
644 | ENTER; | |
864dbfa3 | 645 | call_method("FILENO", G_SCALAR); |
4592e6ca NIS |
646 | LEAVE; |
647 | SPAGAIN; | |
648 | RETURN; | |
649 | } | |
650 | ||
c289d2f7 JH |
651 | if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
652 | /* Can't do this because people seem to do things like | |
653 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
654 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
655 | report_evil_fh(gv, io, PL_op->op_type); | |
656 | */ | |
a0d0e21e | 657 | RETPUSHUNDEF; |
c289d2f7 JH |
658 | } |
659 | ||
760ac839 | 660 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
661 | RETURN; |
662 | } | |
663 | ||
664 | PP(pp_umask) | |
665 | { | |
39644a26 | 666 | dSP; dTARGET; |
d7e492a4 | 667 | #ifdef HAS_UMASK |
761237fe | 668 | Mode_t anum; |
a0d0e21e | 669 | |
a0d0e21e | 670 | if (MAXARG < 1) { |
6ad3d225 GS |
671 | anum = PerlLIO_umask(0); |
672 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
673 | } |
674 | else | |
6ad3d225 | 675 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
676 | TAINT_PROPER("umask"); |
677 | XPUSHi(anum); | |
678 | #else | |
eec2d3df GS |
679 | /* Only DIE if trying to restrict permissions on `user' (self). |
680 | * Otherwise it's harmless and more useful to just return undef | |
681 | * since 'group' and 'other' concepts probably don't exist here. */ | |
682 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 683 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 684 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
685 | #endif |
686 | RETURN; | |
687 | } | |
688 | ||
689 | PP(pp_binmode) | |
690 | { | |
39644a26 | 691 | dSP; |
a0d0e21e LW |
692 | GV *gv; |
693 | IO *io; | |
760ac839 | 694 | PerlIO *fp; |
4592e6ca | 695 | MAGIC *mg; |
16fe6d59 | 696 | SV *discp = Nullsv; |
a0d0e21e LW |
697 | |
698 | if (MAXARG < 1) | |
699 | RETPUSHUNDEF; | |
60382766 | 700 | if (MAXARG > 1) { |
16fe6d59 | 701 | discp = POPs; |
60382766 | 702 | } |
a0d0e21e | 703 | |
301e8125 | 704 | gv = (GV*)POPs; |
4592e6ca | 705 | |
5b468f54 AMS |
706 | if (gv && (io = GvIO(gv)) |
707 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
708 | { | |
4592e6ca | 709 | PUSHMARK(SP); |
5b468f54 | 710 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
16fe6d59 GS |
711 | if (discp) |
712 | XPUSHs(discp); | |
4592e6ca NIS |
713 | PUTBACK; |
714 | ENTER; | |
864dbfa3 | 715 | call_method("BINMODE", G_SCALAR); |
4592e6ca NIS |
716 | LEAVE; |
717 | SPAGAIN; | |
718 | RETURN; | |
719 | } | |
a0d0e21e LW |
720 | |
721 | EXTEND(SP, 1); | |
50f846a7 | 722 | if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
c289d2f7 JH |
723 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
724 | report_evil_fh(gv, io, PL_op->op_type); | |
50f846a7 SC |
725 | RETPUSHUNDEF; |
726 | } | |
a0d0e21e | 727 | |
60382766 NIS |
728 | if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp), |
729 | (discp) ? SvPV_nolen(discp) : Nullch)) | |
a0d0e21e LW |
730 | RETPUSHYES; |
731 | else | |
732 | RETPUSHUNDEF; | |
a0d0e21e LW |
733 | } |
734 | ||
735 | PP(pp_tie) | |
736 | { | |
39644a26 | 737 | dSP; |
e336de0d | 738 | dMARK; |
a0d0e21e LW |
739 | SV *varsv; |
740 | HV* stash; | |
741 | GV *gv; | |
a0d0e21e | 742 | SV *sv; |
3280af22 | 743 | I32 markoff = MARK - PL_stack_base; |
a0d0e21e | 744 | char *methname; |
14befaf4 | 745 | int how = PERL_MAGIC_tied; |
e336de0d | 746 | U32 items; |
2d8e6c8d | 747 | STRLEN n_a; |
a0d0e21e | 748 | |
e336de0d | 749 | varsv = *++MARK; |
6b05c17a NIS |
750 | switch(SvTYPE(varsv)) { |
751 | case SVt_PVHV: | |
752 | methname = "TIEHASH"; | |
03c6e78a | 753 | HvEITER((HV *)varsv) = Null(HE *); |
6b05c17a NIS |
754 | break; |
755 | case SVt_PVAV: | |
756 | methname = "TIEARRAY"; | |
757 | break; | |
758 | case SVt_PVGV: | |
7fb37951 AMS |
759 | #ifdef GV_UNIQUE_CHECK |
760 | if (GvUNIQUE((GV*)varsv)) { | |
761 | Perl_croak(aTHX_ "Attempt to tie unique GV"); | |
5bd07a3d DM |
762 | } |
763 | #endif | |
6b05c17a | 764 | methname = "TIEHANDLE"; |
14befaf4 | 765 | how = PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
766 | /* For tied filehandles, we apply tiedscalar magic to the IO |
767 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
768 | if (!GvIOp(varsv)) | |
769 | GvIOp(varsv) = newIO(); | |
770 | varsv = (SV *)GvIOp(varsv); | |
6b05c17a NIS |
771 | break; |
772 | default: | |
773 | methname = "TIESCALAR"; | |
14befaf4 | 774 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
775 | break; |
776 | } | |
e336de0d GS |
777 | items = SP - MARK++; |
778 | if (sv_isobject(*MARK)) { | |
6b05c17a | 779 | ENTER; |
e788e7d3 | 780 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d GS |
781 | PUSHMARK(SP); |
782 | EXTEND(SP,items); | |
783 | while (items--) | |
784 | PUSHs(*MARK++); | |
785 | PUTBACK; | |
864dbfa3 | 786 | call_method(methname, G_SCALAR); |
301e8125 | 787 | } |
6b05c17a | 788 | else { |
864dbfa3 | 789 | /* Not clear why we don't call call_method here too. |
6b05c17a NIS |
790 | * perhaps to get different error message ? |
791 | */ | |
e336de0d | 792 | stash = gv_stashsv(*MARK, FALSE); |
6b05c17a | 793 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
cea2e8a9 | 794 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"", |
301e8125 | 795 | methname, SvPV(*MARK,n_a)); |
6b05c17a NIS |
796 | } |
797 | ENTER; | |
e788e7d3 | 798 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d GS |
799 | PUSHMARK(SP); |
800 | EXTEND(SP,items); | |
801 | while (items--) | |
802 | PUSHs(*MARK++); | |
803 | PUTBACK; | |
864dbfa3 | 804 | call_sv((SV*)GvCV(gv), G_SCALAR); |
6b05c17a | 805 | } |
a0d0e21e LW |
806 | SPAGAIN; |
807 | ||
808 | sv = TOPs; | |
d3acc0f7 | 809 | POPSTACK; |
a0d0e21e | 810 | if (sv_isobject(sv)) { |
33c27489 | 811 | sv_unmagic(varsv, how); |
ae21d580 JH |
812 | /* Croak if a self-tie on an aggregate is attempted. */ |
813 | if (varsv == SvRV(sv) && | |
814 | (SvTYPE(sv) == SVt_PVAV || | |
815 | SvTYPE(sv) == SVt_PVHV)) | |
816 | Perl_croak(aTHX_ | |
817 | "Self-ties of arrays and hashes are not supported"); | |
68a4a7e4 | 818 | sv_magic(varsv, sv, how, Nullch, 0); |
a0d0e21e LW |
819 | } |
820 | LEAVE; | |
3280af22 | 821 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
822 | PUSHs(sv); |
823 | RETURN; | |
824 | } | |
825 | ||
826 | PP(pp_untie) | |
827 | { | |
39644a26 | 828 | dSP; |
5b468f54 | 829 | MAGIC *mg; |
33c27489 | 830 | SV *sv = POPs; |
14befaf4 DM |
831 | char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
832 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; | |
55497cff | 833 | |
5b468f54 AMS |
834 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) |
835 | RETPUSHYES; | |
836 | ||
837 | if ((mg = SvTIED_mg(sv, how))) { | |
a29a5827 NIS |
838 | SV *obj = SvRV(mg->mg_obj); |
839 | GV *gv; | |
840 | CV *cv = NULL; | |
fa2b88e0 JS |
841 | if (obj) { |
842 | if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) && | |
843 | isGV(gv) && (cv = GvCV(gv))) { | |
844 | PUSHMARK(SP); | |
845 | XPUSHs(SvTIED_obj((SV*)gv, mg)); | |
846 | XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); | |
847 | PUTBACK; | |
848 | ENTER; | |
849 | call_sv((SV *)cv, G_VOID); | |
850 | LEAVE; | |
851 | SPAGAIN; | |
852 | } | |
853 | else if (ckWARN(WARN_UNTIE)) { | |
854 | if (mg && SvREFCNT(obj) > 1) | |
855 | Perl_warner(aTHX_ WARN_UNTIE, | |
856 | "untie attempted while %"UVuf" inner references still exist", | |
857 | (UV)SvREFCNT(obj) - 1 ) ; | |
858 | } | |
cbdc8872 | 859 | } |
fa2b88e0 | 860 | sv_unmagic(sv, how) ; |
cbdc8872 | 861 | } |
55497cff | 862 | RETPUSHYES; |
a0d0e21e LW |
863 | } |
864 | ||
c07a80fd | 865 | PP(pp_tied) |
866 | { | |
39644a26 | 867 | dSP; |
5b468f54 | 868 | MAGIC *mg; |
33c27489 | 869 | SV *sv = POPs; |
14befaf4 DM |
870 | char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
871 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; | |
5b468f54 AMS |
872 | |
873 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) | |
874 | RETPUSHUNDEF; | |
c07a80fd | 875 | |
155aba94 | 876 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
877 | SV *osv = SvTIED_obj(sv, mg); |
878 | if (osv == mg->mg_obj) | |
879 | osv = sv_mortalcopy(osv); | |
880 | PUSHs(osv); | |
881 | RETURN; | |
c07a80fd | 882 | } |
c07a80fd | 883 | RETPUSHUNDEF; |
884 | } | |
885 | ||
a0d0e21e LW |
886 | PP(pp_dbmopen) |
887 | { | |
39644a26 | 888 | dSP; |
a0d0e21e LW |
889 | HV *hv; |
890 | dPOPPOPssrl; | |
891 | HV* stash; | |
892 | GV *gv; | |
a0d0e21e LW |
893 | SV *sv; |
894 | ||
895 | hv = (HV*)POPs; | |
896 | ||
3280af22 | 897 | sv = sv_mortalcopy(&PL_sv_no); |
a0d0e21e LW |
898 | sv_setpv(sv, "AnyDBM_File"); |
899 | stash = gv_stashsv(sv, FALSE); | |
8ebc5c01 | 900 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 901 | PUTBACK; |
864dbfa3 | 902 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 903 | SPAGAIN; |
8ebc5c01 | 904 | if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 905 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
906 | } |
907 | ||
57d3b86d | 908 | ENTER; |
924508f0 | 909 | PUSHMARK(SP); |
6b05c17a | 910 | |
924508f0 | 911 | EXTEND(SP, 5); |
a0d0e21e LW |
912 | PUSHs(sv); |
913 | PUSHs(left); | |
914 | if (SvIV(right)) | |
b448e4fe | 915 | PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); |
a0d0e21e | 916 | else |
b448e4fe | 917 | PUSHs(sv_2mortal(newSVuv(O_RDWR))); |
a0d0e21e | 918 | PUSHs(right); |
57d3b86d | 919 | PUTBACK; |
864dbfa3 | 920 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
921 | SPAGAIN; |
922 | ||
923 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
924 | SP--; |
925 | PUSHMARK(SP); | |
a0d0e21e LW |
926 | PUSHs(sv); |
927 | PUSHs(left); | |
b448e4fe | 928 | PUSHs(sv_2mortal(newSVuv(O_RDONLY))); |
a0d0e21e | 929 | PUSHs(right); |
a0d0e21e | 930 | PUTBACK; |
864dbfa3 | 931 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
932 | SPAGAIN; |
933 | } | |
934 | ||
6b05c17a | 935 | if (sv_isobject(TOPs)) { |
14befaf4 DM |
936 | sv_unmagic((SV *) hv, PERL_MAGIC_tied); |
937 | sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0); | |
6b05c17a | 938 | } |
a0d0e21e LW |
939 | LEAVE; |
940 | RETURN; | |
941 | } | |
942 | ||
943 | PP(pp_dbmclose) | |
944 | { | |
cea2e8a9 | 945 | return pp_untie(); |
a0d0e21e LW |
946 | } |
947 | ||
948 | PP(pp_sselect) | |
949 | { | |
a0d0e21e | 950 | #ifdef HAS_SELECT |
9cad6237 | 951 | dSP; dTARGET; |
a0d0e21e LW |
952 | register I32 i; |
953 | register I32 j; | |
954 | register char *s; | |
955 | register SV *sv; | |
65202027 | 956 | NV value; |
a0d0e21e LW |
957 | I32 maxlen = 0; |
958 | I32 nfound; | |
959 | struct timeval timebuf; | |
960 | struct timeval *tbuf = &timebuf; | |
961 | I32 growsize; | |
962 | char *fd_sets[4]; | |
2d8e6c8d | 963 | STRLEN n_a; |
a0d0e21e LW |
964 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
965 | I32 masksize; | |
966 | I32 offset; | |
967 | I32 k; | |
968 | ||
969 | # if BYTEORDER & 0xf0000 | |
970 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
971 | # else | |
972 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
973 | # endif | |
974 | ||
975 | #endif | |
976 | ||
977 | SP -= 4; | |
978 | for (i = 1; i <= 3; i++) { | |
979 | if (!SvPOK(SP[i])) | |
980 | continue; | |
981 | j = SvCUR(SP[i]); | |
982 | if (maxlen < j) | |
983 | maxlen = j; | |
984 | } | |
985 | ||
5ff3f7a4 | 986 | /* little endians can use vecs directly */ |
a0d0e21e | 987 | #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 |
5ff3f7a4 | 988 | # if SELECT_MIN_BITS > 1 |
f2da832e JH |
989 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
990 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
991 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
f556e5b9 | 992 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates |
8f1f23e8 | 993 | * on (sets/tests/clears bits) is 32 bits. */ |
f2da832e | 994 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); |
5ff3f7a4 | 995 | # else |
4633a7c4 | 996 | growsize = sizeof(fd_set); |
5ff3f7a4 GS |
997 | # endif |
998 | # else | |
999 | # ifdef NFDBITS | |
a0d0e21e | 1000 | |
5ff3f7a4 GS |
1001 | # ifndef NBBY |
1002 | # define NBBY 8 | |
1003 | # endif | |
a0d0e21e LW |
1004 | |
1005 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1006 | # else |
a0d0e21e | 1007 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1008 | # endif |
a0d0e21e LW |
1009 | growsize = maxlen + (masksize - (maxlen % masksize)); |
1010 | Zero(&fd_sets[0], 4, char*); | |
1011 | #endif | |
1012 | ||
1013 | sv = SP[4]; | |
1014 | if (SvOK(sv)) { | |
1015 | value = SvNV(sv); | |
1016 | if (value < 0.0) | |
1017 | value = 0.0; | |
1018 | timebuf.tv_sec = (long)value; | |
65202027 | 1019 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1020 | timebuf.tv_usec = (long)(value * 1000000.0); |
1021 | } | |
1022 | else | |
1023 | tbuf = Null(struct timeval*); | |
1024 | ||
1025 | for (i = 1; i <= 3; i++) { | |
1026 | sv = SP[i]; | |
1027 | if (!SvOK(sv)) { | |
1028 | fd_sets[i] = 0; | |
1029 | continue; | |
1030 | } | |
1031 | else if (!SvPOK(sv)) | |
2d8e6c8d | 1032 | SvPV_force(sv,n_a); /* force string conversion */ |
a0d0e21e LW |
1033 | j = SvLEN(sv); |
1034 | if (j < growsize) { | |
1035 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1036 | } |
c07a80fd | 1037 | j = SvCUR(sv); |
1038 | s = SvPVX(sv) + j; | |
1039 | while (++j <= growsize) { | |
1040 | *s++ = '\0'; | |
1041 | } | |
1042 | ||
a0d0e21e LW |
1043 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1044 | s = SvPVX(sv); | |
1045 | New(403, fd_sets[i], growsize, char); | |
1046 | for (offset = 0; offset < growsize; offset += masksize) { | |
1047 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1048 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1049 | } | |
1050 | #else | |
1051 | fd_sets[i] = SvPVX(sv); | |
1052 | #endif | |
1053 | } | |
1054 | ||
6ad3d225 | 1055 | nfound = PerlSock_select( |
a0d0e21e LW |
1056 | maxlen * 8, |
1057 | (Select_fd_set_t) fd_sets[1], | |
1058 | (Select_fd_set_t) fd_sets[2], | |
1059 | (Select_fd_set_t) fd_sets[3], | |
1060 | tbuf); | |
1061 | for (i = 1; i <= 3; i++) { | |
1062 | if (fd_sets[i]) { | |
1063 | sv = SP[i]; | |
1064 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1065 | s = SvPVX(sv); | |
1066 | for (offset = 0; offset < growsize; offset += masksize) { | |
1067 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1068 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1069 | } | |
1070 | Safefree(fd_sets[i]); | |
1071 | #endif | |
1072 | SvSETMAGIC(sv); | |
1073 | } | |
1074 | } | |
1075 | ||
1076 | PUSHi(nfound); | |
1077 | if (GIMME == G_ARRAY && tbuf) { | |
65202027 DS |
1078 | value = (NV)(timebuf.tv_sec) + |
1079 | (NV)(timebuf.tv_usec) / 1000000.0; | |
3280af22 | 1080 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
1081 | sv_setnv(sv, value); |
1082 | } | |
1083 | RETURN; | |
1084 | #else | |
cea2e8a9 | 1085 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1086 | #endif |
1087 | } | |
1088 | ||
4633a7c4 | 1089 | void |
864dbfa3 | 1090 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 LW |
1091 | { |
1092 | if (gv) | |
1093 | (void)SvREFCNT_inc(gv); | |
3280af22 NIS |
1094 | if (PL_defoutgv) |
1095 | SvREFCNT_dec(PL_defoutgv); | |
1096 | PL_defoutgv = gv; | |
4633a7c4 LW |
1097 | } |
1098 | ||
a0d0e21e LW |
1099 | PP(pp_select) |
1100 | { | |
39644a26 | 1101 | dSP; dTARGET; |
4633a7c4 LW |
1102 | GV *newdefout, *egv; |
1103 | HV *hv; | |
1104 | ||
533c011a | 1105 | newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL; |
4633a7c4 | 1106 | |
3280af22 | 1107 | egv = GvEGV(PL_defoutgv); |
4633a7c4 | 1108 | if (!egv) |
3280af22 | 1109 | egv = PL_defoutgv; |
4633a7c4 LW |
1110 | hv = GvSTASH(egv); |
1111 | if (! hv) | |
3280af22 | 1112 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1113 | else { |
cbdc8872 | 1114 | GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1115 | if (gvp && *gvp == egv) { |
f7aaccc2 | 1116 | gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE); |
f86702cc | 1117 | XPUSHTARG; |
1118 | } | |
1119 | else { | |
1120 | XPUSHs(sv_2mortal(newRV((SV*)egv))); | |
1121 | } | |
4633a7c4 LW |
1122 | } |
1123 | ||
1124 | if (newdefout) { | |
ded8aa31 GS |
1125 | if (!GvIO(newdefout)) |
1126 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1127 | setdefout(newdefout); |
1128 | } | |
1129 | ||
a0d0e21e LW |
1130 | RETURN; |
1131 | } | |
1132 | ||
1133 | PP(pp_getc) | |
1134 | { | |
39644a26 | 1135 | dSP; dTARGET; |
a0d0e21e | 1136 | GV *gv; |
90133b69 | 1137 | IO *io = NULL; |
2ae324a7 | 1138 | MAGIC *mg; |
a0d0e21e | 1139 | |
32da55ab | 1140 | if (MAXARG == 0) |
3280af22 | 1141 | gv = PL_stdingv; |
a0d0e21e LW |
1142 | else |
1143 | gv = (GV*)POPs; | |
2ae324a7 | 1144 | |
5b468f54 AMS |
1145 | if (gv && (io = GvIO(gv)) |
1146 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1147 | { | |
54310121 | 1148 | I32 gimme = GIMME_V; |
2ae324a7 | 1149 | PUSHMARK(SP); |
5b468f54 | 1150 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
2ae324a7 | 1151 | PUTBACK; |
1152 | ENTER; | |
864dbfa3 | 1153 | call_method("GETC", gimme); |
2ae324a7 | 1154 | LEAVE; |
1155 | SPAGAIN; | |
54310121 | 1156 | if (gimme == G_SCALAR) |
1157 | SvSetMagicSV_nosteal(TARG, TOPs); | |
2ae324a7 | 1158 | RETURN; |
1159 | } | |
90133b69 RGS |
1160 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
1161 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED) && IoTYPE(io) != IoTYPE_WRONLY) | |
1162 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 1163 | RETPUSHUNDEF; |
90133b69 | 1164 | } |
bbce6d69 | 1165 | TAINT; |
a0d0e21e | 1166 | sv_setpv(TARG, " "); |
9bc64814 | 1167 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1168 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1169 | /* Find out how many bytes the char needs */ | |
1170 | Size_t len = UTF8SKIP(SvPVX(TARG)); | |
1171 | if (len > 1) { | |
1172 | SvGROW(TARG,len+1); | |
1173 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1174 | SvCUR_set(TARG,1+len); | |
1175 | } | |
1176 | SvUTF8_on(TARG); | |
1177 | } | |
a0d0e21e LW |
1178 | PUSHTARG; |
1179 | RETURN; | |
1180 | } | |
1181 | ||
1182 | PP(pp_read) | |
1183 | { | |
cea2e8a9 | 1184 | return pp_sysread(); |
a0d0e21e LW |
1185 | } |
1186 | ||
76e3520e | 1187 | STATIC OP * |
cea2e8a9 | 1188 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1189 | { |
c09156bb | 1190 | register PERL_CONTEXT *cx; |
54310121 | 1191 | I32 gimme = GIMME_V; |
a0d0e21e LW |
1192 | AV* padlist = CvPADLIST(cv); |
1193 | SV** svp = AvARRAY(padlist); | |
1194 | ||
1195 | ENTER; | |
1196 | SAVETMPS; | |
1197 | ||
1198 | push_return(retop); | |
146174a9 | 1199 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
a0d0e21e | 1200 | PUSHFORMAT(cx); |
146174a9 | 1201 | SAVEVPTR(PL_curpad); |
3280af22 | 1202 | PL_curpad = AvARRAY((AV*)svp[1]); |
a0d0e21e | 1203 | |
4633a7c4 | 1204 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1205 | return CvSTART(cv); |
1206 | } | |
1207 | ||
1208 | PP(pp_enterwrite) | |
1209 | { | |
39644a26 | 1210 | dSP; |
a0d0e21e LW |
1211 | register GV *gv; |
1212 | register IO *io; | |
1213 | GV *fgv; | |
1214 | CV *cv; | |
1215 | ||
1216 | if (MAXARG == 0) | |
3280af22 | 1217 | gv = PL_defoutgv; |
a0d0e21e LW |
1218 | else { |
1219 | gv = (GV*)POPs; | |
1220 | if (!gv) | |
3280af22 | 1221 | gv = PL_defoutgv; |
a0d0e21e LW |
1222 | } |
1223 | EXTEND(SP, 1); | |
1224 | io = GvIO(gv); | |
1225 | if (!io) { | |
1226 | RETPUSHNO; | |
1227 | } | |
1228 | if (IoFMT_GV(io)) | |
1229 | fgv = IoFMT_GV(io); | |
1230 | else | |
1231 | fgv = gv; | |
1232 | ||
1233 | cv = GvFORM(fgv); | |
a0d0e21e | 1234 | if (!cv) { |
2dd78f96 | 1235 | char *name = NULL; |
a0d0e21e | 1236 | if (fgv) { |
748a9306 | 1237 | SV *tmpsv = sv_newmortal(); |
43693395 | 1238 | gv_efullname4(tmpsv, fgv, Nullch, FALSE); |
2dd78f96 | 1239 | name = SvPV_nolen(tmpsv); |
a0d0e21e | 1240 | } |
2dd78f96 JH |
1241 | if (name && *name) |
1242 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
cea2e8a9 | 1243 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1244 | } |
44a8e56a | 1245 | if (CvCLONE(cv)) |
1246 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
a0d0e21e | 1247 | |
44a8e56a | 1248 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1249 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1250 | } |
1251 | ||
1252 | PP(pp_leavewrite) | |
1253 | { | |
39644a26 | 1254 | dSP; |
a0d0e21e LW |
1255 | GV *gv = cxstack[cxstack_ix].blk_sub.gv; |
1256 | register IO *io = GvIOp(gv); | |
760ac839 LW |
1257 | PerlIO *ofp = IoOFP(io); |
1258 | PerlIO *fp; | |
a0d0e21e LW |
1259 | SV **newsp; |
1260 | I32 gimme; | |
c09156bb | 1261 | register PERL_CONTEXT *cx; |
a0d0e21e | 1262 | |
760ac839 | 1263 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1264 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
7ef822cd JH |
1265 | if (!io || !ofp) |
1266 | goto forget_top; | |
3280af22 NIS |
1267 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1268 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1269 | { |
4633a7c4 LW |
1270 | GV *fgv; |
1271 | CV *cv; | |
a0d0e21e LW |
1272 | if (!IoTOP_GV(io)) { |
1273 | GV *topgv; | |
46fc3d4c | 1274 | SV *topname; |
a0d0e21e LW |
1275 | |
1276 | if (!IoTOP_NAME(io)) { | |
1277 | if (!IoFMT_NAME(io)) | |
1278 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
cea2e8a9 | 1279 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io))); |
46fc3d4c | 1280 | topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM); |
748a9306 | 1281 | if ((topgv && GvFORM(topgv)) || |
a0d0e21e | 1282 | !gv_fetchpv("top",FALSE,SVt_PVFM)) |
46fc3d4c | 1283 | IoTOP_NAME(io) = savepv(SvPVX(topname)); |
a0d0e21e LW |
1284 | else |
1285 | IoTOP_NAME(io) = savepv("top"); | |
1286 | } | |
1287 | topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM); | |
1288 | if (!topgv || !GvFORM(topgv)) { | |
1289 | IoLINES_LEFT(io) = 100000000; | |
1290 | goto forget_top; | |
1291 | } | |
1292 | IoTOP_GV(io) = topgv; | |
1293 | } | |
748a9306 LW |
1294 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1295 | I32 lines = IoLINES_LEFT(io); | |
3280af22 | 1296 | char *s = SvPVX(PL_formtarget); |
8e07c86e AD |
1297 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1298 | goto forget_top; | |
748a9306 LW |
1299 | while (lines-- > 0) { |
1300 | s = strchr(s, '\n'); | |
1301 | if (!s) | |
1302 | break; | |
1303 | s++; | |
1304 | } | |
1305 | if (s) { | |
d75029d0 NIS |
1306 | STRLEN save = SvCUR(PL_formtarget); |
1307 | SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget)); | |
1308 | do_print(PL_formtarget, ofp); | |
1309 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1310 | sv_chop(PL_formtarget, s); |
1311 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1312 | } |
1313 | } | |
a0d0e21e | 1314 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1315 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1316 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1317 | IoPAGE(io)++; | |
3280af22 | 1318 | PL_formtarget = PL_toptarget; |
748a9306 | 1319 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1320 | fgv = IoTOP_GV(io); |
1321 | if (!fgv) | |
cea2e8a9 | 1322 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1323 | cv = GvFORM(fgv); |
2dd78f96 JH |
1324 | { |
1325 | char *name = NULL; | |
1326 | if (!cv) { | |
1327 | SV *sv = sv_newmortal(); | |
1328 | gv_efullname4(sv, fgv, Nullch, FALSE); | |
1329 | name = SvPV_nolen(sv); | |
1330 | } | |
1331 | if (name && *name) | |
1332 | DIE(aTHX_ "Undefined top format \"%s\" called",name); | |
1333 | /* why no: | |
1334 | else | |
1335 | DIE(aTHX_ "Undefined top format called"); | |
1336 | ?*/ | |
4633a7c4 | 1337 | } |
44a8e56a | 1338 | if (CvCLONE(cv)) |
1339 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
533c011a | 1340 | return doform(cv,gv,PL_op); |
a0d0e21e LW |
1341 | } |
1342 | ||
1343 | forget_top: | |
3280af22 | 1344 | POPBLOCK(cx,PL_curpm); |
a0d0e21e LW |
1345 | POPFORMAT(cx); |
1346 | LEAVE; | |
1347 | ||
1348 | fp = IoOFP(io); | |
1349 | if (!fp) { | |
599cee73 | 1350 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
cb50131a | 1351 | if (IoIFP(io)) { |
2dd78f96 JH |
1352 | /* integrate with report_evil_fh()? */ |
1353 | char *name = NULL; | |
1354 | if (isGV(gv)) { | |
1355 | SV* sv = sv_newmortal(); | |
1356 | gv_efullname4(sv, gv, Nullch, FALSE); | |
1357 | name = SvPV_nolen(sv); | |
1358 | } | |
1359 | if (name && *name) | |
1360 | Perl_warner(aTHX_ WARN_IO, | |
1361 | "Filehandle %s opened only for input", name); | |
1362 | else | |
1363 | Perl_warner(aTHX_ WARN_IO, | |
1364 | "Filehandle opened only for input"); | |
cb50131a | 1365 | } |
599cee73 | 1366 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1367 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1368 | } |
3280af22 | 1369 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1370 | } |
1371 | else { | |
3280af22 | 1372 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
599cee73 | 1373 | if (ckWARN(WARN_IO)) |
cea2e8a9 | 1374 | Perl_warner(aTHX_ WARN_IO, "page overflow"); |
a0d0e21e | 1375 | } |
d75029d0 | 1376 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1377 | PUSHs(&PL_sv_no); |
a0d0e21e | 1378 | else { |
3280af22 NIS |
1379 | FmLINES(PL_formtarget) = 0; |
1380 | SvCUR_set(PL_formtarget, 0); | |
1381 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1382 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1383 | (void)PerlIO_flush(fp); |
3280af22 | 1384 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1385 | } |
1386 | } | |
9cbac4c7 | 1387 | /* bad_ofp: */ |
3280af22 | 1388 | PL_formtarget = PL_bodytarget; |
a0d0e21e LW |
1389 | PUTBACK; |
1390 | return pop_return(); | |
1391 | } | |
1392 | ||
1393 | PP(pp_prtf) | |
1394 | { | |
39644a26 | 1395 | dSP; dMARK; dORIGMARK; |
a0d0e21e LW |
1396 | GV *gv; |
1397 | IO *io; | |
760ac839 | 1398 | PerlIO *fp; |
26db47c4 | 1399 | SV *sv; |
46fc3d4c | 1400 | MAGIC *mg; |
a0d0e21e | 1401 | |
533c011a | 1402 | if (PL_op->op_flags & OPf_STACKED) |
a0d0e21e LW |
1403 | gv = (GV*)*++MARK; |
1404 | else | |
3280af22 | 1405 | gv = PL_defoutgv; |
46fc3d4c | 1406 | |
5b468f54 AMS |
1407 | if (gv && (io = GvIO(gv)) |
1408 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1409 | { | |
46fc3d4c | 1410 | if (MARK == ORIGMARK) { |
4352c267 | 1411 | MEXTEND(SP, 1); |
46fc3d4c | 1412 | ++MARK; |
1413 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1414 | ++SP; | |
1415 | } | |
1416 | PUSHMARK(MARK - 1); | |
5b468f54 | 1417 | *MARK = SvTIED_obj((SV*)io, mg); |
46fc3d4c | 1418 | PUTBACK; |
1419 | ENTER; | |
864dbfa3 | 1420 | call_method("PRINTF", G_SCALAR); |
46fc3d4c | 1421 | LEAVE; |
1422 | SPAGAIN; | |
1423 | MARK = ORIGMARK + 1; | |
1424 | *MARK = *SP; | |
1425 | SP = MARK; | |
1426 | RETURN; | |
1427 | } | |
1428 | ||
26db47c4 | 1429 | sv = NEWSV(0,0); |
a0d0e21e | 1430 | if (!(io = GvIO(gv))) { |
2dd78f96 JH |
1431 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1432 | report_evil_fh(gv, io, PL_op->op_type); | |
91487cfc | 1433 | SETERRNO(EBADF,RMS$_IFI); |
a0d0e21e LW |
1434 | goto just_say_no; |
1435 | } | |
1436 | else if (!(fp = IoOFP(io))) { | |
599cee73 | 1437 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
2dd78f96 | 1438 | /* integrate with report_evil_fh()? */ |
cb50131a | 1439 | if (IoIFP(io)) { |
2dd78f96 JH |
1440 | char *name = NULL; |
1441 | if (isGV(gv)) { | |
1442 | gv_efullname4(sv, gv, Nullch, FALSE); | |
1443 | name = SvPV_nolen(sv); | |
1444 | } | |
1445 | if (name && *name) | |
1446 | Perl_warner(aTHX_ WARN_IO, | |
1447 | "Filehandle %s opened only for input", name); | |
1448 | else | |
1449 | Perl_warner(aTHX_ WARN_IO, | |
1450 | "Filehandle opened only for input"); | |
cb50131a | 1451 | } |
599cee73 | 1452 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1453 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1454 | } |
91487cfc | 1455 | SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI); |
a0d0e21e LW |
1456 | goto just_say_no; |
1457 | } | |
1458 | else { | |
1459 | do_sprintf(sv, SP - MARK, MARK + 1); | |
1460 | if (!do_print(sv, fp)) | |
1461 | goto just_say_no; | |
1462 | ||
1463 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1464 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1465 | goto just_say_no; |
1466 | } | |
1467 | SvREFCNT_dec(sv); | |
1468 | SP = ORIGMARK; | |
3280af22 | 1469 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1470 | RETURN; |
1471 | ||
1472 | just_say_no: | |
1473 | SvREFCNT_dec(sv); | |
1474 | SP = ORIGMARK; | |
3280af22 | 1475 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1476 | RETURN; |
1477 | } | |
1478 | ||
c07a80fd | 1479 | PP(pp_sysopen) |
1480 | { | |
39644a26 | 1481 | dSP; |
c07a80fd | 1482 | GV *gv; |
c07a80fd | 1483 | SV *sv; |
1484 | char *tmps; | |
1485 | STRLEN len; | |
1486 | int mode, perm; | |
1487 | ||
1488 | if (MAXARG > 3) | |
1489 | perm = POPi; | |
1490 | else | |
1491 | perm = 0666; | |
1492 | mode = POPi; | |
1493 | sv = POPs; | |
1494 | gv = (GV *)POPs; | |
1495 | ||
4592e6ca NIS |
1496 | /* Need TIEHANDLE method ? */ |
1497 | ||
c07a80fd | 1498 | tmps = SvPV(sv, len); |
1499 | if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) { | |
1500 | IoLINES(GvIOp(gv)) = 0; | |
3280af22 | 1501 | PUSHs(&PL_sv_yes); |
c07a80fd | 1502 | } |
1503 | else { | |
3280af22 | 1504 | PUSHs(&PL_sv_undef); |
c07a80fd | 1505 | } |
1506 | RETURN; | |
1507 | } | |
1508 | ||
a0d0e21e LW |
1509 | PP(pp_sysread) |
1510 | { | |
39644a26 | 1511 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
1512 | int offset; |
1513 | GV *gv; | |
1514 | IO *io; | |
1515 | char *buffer; | |
5b54f415 | 1516 | SSize_t length; |
eb5c063a | 1517 | SSize_t count; |
1e422769 | 1518 | Sock_size_t bufsize; |
748a9306 | 1519 | SV *bufsv; |
a0d0e21e | 1520 | STRLEN blen; |
2ae324a7 | 1521 | MAGIC *mg; |
eb5c063a NIS |
1522 | int fp_utf8; |
1523 | Size_t got = 0; | |
1524 | Size_t wanted; | |
1d636c13 | 1525 | bool charstart = FALSE; |
87330c3c JH |
1526 | STRLEN charskip = 0; |
1527 | STRLEN skip = 0; | |
a0d0e21e LW |
1528 | |
1529 | gv = (GV*)*++MARK; | |
5b468f54 AMS |
1530 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1531 | && gv && (io = GvIO(gv)) | |
1532 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
137443ea | 1533 | { |
2ae324a7 | 1534 | SV *sv; |
1535 | ||
1536 | PUSHMARK(MARK-1); | |
5b468f54 | 1537 | *MARK = SvTIED_obj((SV*)io, mg); |
2ae324a7 | 1538 | ENTER; |
864dbfa3 | 1539 | call_method("READ", G_SCALAR); |
2ae324a7 | 1540 | LEAVE; |
1541 | SPAGAIN; | |
1542 | sv = POPs; | |
1543 | SP = ORIGMARK; | |
1544 | PUSHs(sv); | |
1545 | RETURN; | |
1546 | } | |
1547 | ||
a0d0e21e LW |
1548 | if (!gv) |
1549 | goto say_undef; | |
748a9306 | 1550 | bufsv = *++MARK; |
ff68c719 | 1551 | if (! SvOK(bufsv)) |
1552 | sv_setpvn(bufsv, "", 0); | |
a0d0e21e | 1553 | length = SvIVx(*++MARK); |
748a9306 | 1554 | SETERRNO(0,0); |
a0d0e21e LW |
1555 | if (MARK < SP) |
1556 | offset = SvIVx(*++MARK); | |
1557 | else | |
1558 | offset = 0; | |
1559 | io = GvIO(gv); | |
1560 | if (!io || !IoIFP(io)) | |
1561 | goto say_undef; | |
0064a8a9 | 1562 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1563 | buffer = SvPVutf8_force(bufsv, blen); |
eb5c063a NIS |
1564 | /* UTF8 may not have been set if they are all low bytes */ |
1565 | SvUTF8_on(bufsv); | |
7d59b7e4 NIS |
1566 | } |
1567 | else { | |
1568 | buffer = SvPV_force(bufsv, blen); | |
1569 | } | |
1570 | if (length < 0) | |
1571 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1572 | wanted = length; |
7d59b7e4 | 1573 | |
d0965105 JH |
1574 | charstart = TRUE; |
1575 | charskip = 0; | |
87330c3c | 1576 | skip = 0; |
d0965105 | 1577 | |
a0d0e21e | 1578 | #ifdef HAS_SOCKET |
533c011a | 1579 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1580 | char namebuf[MAXPATHLEN]; |
eec2d3df | 1581 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) |
490ab354 JH |
1582 | bufsize = sizeof (struct sockaddr_in); |
1583 | #else | |
46fc3d4c | 1584 | bufsize = sizeof namebuf; |
490ab354 | 1585 | #endif |
abf95952 IZ |
1586 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1587 | if (bufsize >= 256) | |
1588 | bufsize = 255; | |
1589 | #endif | |
748a9306 | 1590 | buffer = SvGROW(bufsv, length+1); |
bbce6d69 | 1591 | /* 'offset' means 'flags' here */ |
eb5c063a | 1592 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
46fc3d4c | 1593 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1594 | if (count < 0) |
a0d0e21e | 1595 | RETPUSHUNDEF; |
4107cc59 OF |
1596 | #ifdef EPOC |
1597 | /* Bogus return without padding */ | |
1598 | bufsize = sizeof (struct sockaddr_in); | |
1599 | #endif | |
eb5c063a | 1600 | SvCUR_set(bufsv, count); |
748a9306 LW |
1601 | *SvEND(bufsv) = '\0'; |
1602 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1603 | if (fp_utf8) |
1604 | SvUTF8_on(bufsv); | |
748a9306 | 1605 | SvSETMAGIC(bufsv); |
aac0dd9a | 1606 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1607 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1608 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1609 | SP = ORIGMARK; |
46fc3d4c | 1610 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1611 | PUSHs(TARG); |
1612 | RETURN; | |
1613 | } | |
1614 | #else | |
911d147d | 1615 | if (PL_op->op_type == OP_RECV) |
cea2e8a9 | 1616 | DIE(aTHX_ PL_no_sock_func, "recv"); |
a0d0e21e | 1617 | #endif |
eb5c063a NIS |
1618 | if (DO_UTF8(bufsv)) { |
1619 | /* offset adjust in characters not bytes */ | |
1620 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1621 | } |
bbce6d69 | 1622 | if (offset < 0) { |
1623 | if (-offset > blen) | |
cea2e8a9 | 1624 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1625 | offset += blen; |
1626 | } | |
eb5c063a NIS |
1627 | if (DO_UTF8(bufsv)) { |
1628 | /* convert offset-as-chars to offset-as-bytes */ | |
1629 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
1630 | } | |
1631 | more_bytes: | |
cd52b7b2 | 1632 | bufsize = SvCUR(bufsv); |
eb5c063a | 1633 | buffer = SvGROW(bufsv, length+offset+1); |
cd52b7b2 | 1634 | if (offset > bufsize) { /* Zero any newly allocated space */ |
1635 | Zero(buffer+bufsize, offset-bufsize, char); | |
1636 | } | |
eb5c063a NIS |
1637 | buffer = buffer + offset; |
1638 | ||
533c011a | 1639 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1640 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1641 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1642 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1643 | buffer, length, 0); | |
a7092146 GS |
1644 | } |
1645 | else | |
1646 | #endif | |
1647 | { | |
eb5c063a NIS |
1648 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1649 | buffer, length); | |
a7092146 | 1650 | } |
a0d0e21e LW |
1651 | } |
1652 | else | |
1653 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1654 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1655 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1656 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1657 | bufsize = sizeof (struct sockaddr_in); | |
1658 | #else | |
46fc3d4c | 1659 | bufsize = sizeof namebuf; |
490ab354 | 1660 | #endif |
eb5c063a | 1661 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1662 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1663 | } |
1664 | else | |
1665 | #endif | |
3b02c43c | 1666 | { |
eb5c063a NIS |
1667 | count = PerlIO_read(IoIFP(io), buffer, length); |
1668 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1669 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1670 | count = -1; | |
3b02c43c | 1671 | } |
eb5c063a | 1672 | if (count < 0) { |
a00b5bd3 | 1673 | if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO)) |
af8c498a | 1674 | { |
2dd78f96 JH |
1675 | /* integrate with report_evil_fh()? */ |
1676 | char *name = NULL; | |
1677 | if (isGV(gv)) { | |
1678 | SV* sv = sv_newmortal(); | |
1679 | gv_efullname4(sv, gv, Nullch, FALSE); | |
1680 | name = SvPV_nolen(sv); | |
1681 | } | |
1682 | if (name && *name) | |
1683 | Perl_warner(aTHX_ WARN_IO, | |
1684 | "Filehandle %s opened only for output", name); | |
1685 | else | |
1686 | Perl_warner(aTHX_ WARN_IO, | |
1687 | "Filehandle opened only for output"); | |
af8c498a | 1688 | } |
a0d0e21e | 1689 | goto say_undef; |
af8c498a | 1690 | } |
eb5c063a | 1691 | SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv))); |
748a9306 LW |
1692 | *SvEND(bufsv) = '\0'; |
1693 | (void)SvPOK_only(bufsv); | |
0064a8a9 | 1694 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a NIS |
1695 | /* Look at utf8 we got back and count the characters */ |
1696 | char *bend = buffer + count; | |
1697 | while (buffer < bend) { | |
d0965105 JH |
1698 | if (charstart) { |
1699 | skip = UTF8SKIP(buffer); | |
1700 | charskip = 0; | |
1701 | } | |
1702 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1703 | /* partial character - try for rest of it */ |
1704 | length = skip - (bend-buffer); | |
1705 | offset = bend - SvPVX(bufsv); | |
d0965105 JH |
1706 | charstart = FALSE; |
1707 | charskip += count; | |
eb5c063a NIS |
1708 | goto more_bytes; |
1709 | } | |
1710 | else { | |
1711 | got++; | |
1712 | buffer += skip; | |
d0965105 JH |
1713 | charstart = TRUE; |
1714 | charskip = 0; | |
eb5c063a NIS |
1715 | } |
1716 | } | |
1717 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1718 | provided amount read (count) was what was requested (length) | |
1719 | */ | |
1720 | if (got < wanted && count == length) { | |
d0965105 | 1721 | length = wanted - got; |
eb5c063a NIS |
1722 | offset = bend - SvPVX(bufsv); |
1723 | goto more_bytes; | |
1724 | } | |
1725 | /* return value is character count */ | |
1726 | count = got; | |
1727 | SvUTF8_on(bufsv); | |
1728 | } | |
748a9306 | 1729 | SvSETMAGIC(bufsv); |
aac0dd9a | 1730 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1731 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1732 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1733 | SP = ORIGMARK; |
eb5c063a | 1734 | PUSHi(count); |
a0d0e21e LW |
1735 | RETURN; |
1736 | ||
1737 | say_undef: | |
1738 | SP = ORIGMARK; | |
1739 | RETPUSHUNDEF; | |
1740 | } | |
1741 | ||
1742 | PP(pp_syswrite) | |
1743 | { | |
39644a26 | 1744 | dSP; |
092bebab JH |
1745 | int items = (SP - PL_stack_base) - TOPMARK; |
1746 | if (items == 2) { | |
9f089d78 | 1747 | SV *sv; |
092bebab | 1748 | EXTEND(SP, 1); |
9f089d78 SB |
1749 | sv = sv_2mortal(newSViv(sv_len(*SP))); |
1750 | PUSHs(sv); | |
092bebab JH |
1751 | PUTBACK; |
1752 | } | |
cea2e8a9 | 1753 | return pp_send(); |
a0d0e21e LW |
1754 | } |
1755 | ||
1756 | PP(pp_send) | |
1757 | { | |
39644a26 | 1758 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
1759 | GV *gv; |
1760 | IO *io; | |
748a9306 | 1761 | SV *bufsv; |
a0d0e21e | 1762 | char *buffer; |
8c99d73e GS |
1763 | Size_t length; |
1764 | SSize_t retval; | |
a0d0e21e | 1765 | STRLEN blen; |
1d603a67 | 1766 | MAGIC *mg; |
a0d0e21e LW |
1767 | |
1768 | gv = (GV*)*++MARK; | |
14befaf4 | 1769 | if (PL_op->op_type == OP_SYSWRITE |
5b468f54 AMS |
1770 | && gv && (io = GvIO(gv)) |
1771 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
14befaf4 | 1772 | { |
1d603a67 GB |
1773 | SV *sv; |
1774 | ||
1775 | PUSHMARK(MARK-1); | |
5b468f54 | 1776 | *MARK = SvTIED_obj((SV*)io, mg); |
1d603a67 | 1777 | ENTER; |
864dbfa3 | 1778 | call_method("WRITE", G_SCALAR); |
1d603a67 GB |
1779 | LEAVE; |
1780 | SPAGAIN; | |
1781 | sv = POPs; | |
1782 | SP = ORIGMARK; | |
1783 | PUSHs(sv); | |
1784 | RETURN; | |
1785 | } | |
a0d0e21e LW |
1786 | if (!gv) |
1787 | goto say_undef; | |
748a9306 | 1788 | bufsv = *++MARK; |
8c99d73e | 1789 | #if Size_t_size > IVSIZE |
3c001241 | 1790 | length = (Size_t)SvNVx(*++MARK); |
146174a9 | 1791 | #else |
3c001241 | 1792 | length = (Size_t)SvIVx(*++MARK); |
146174a9 | 1793 | #endif |
3c001241 | 1794 | if ((SSize_t)length < 0) |
cea2e8a9 | 1795 | DIE(aTHX_ "Negative length"); |
748a9306 | 1796 | SETERRNO(0,0); |
a0d0e21e LW |
1797 | io = GvIO(gv); |
1798 | if (!io || !IoIFP(io)) { | |
8c99d73e | 1799 | retval = -1; |
bc37a18f RG |
1800 | if (ckWARN(WARN_CLOSED)) |
1801 | report_evil_fh(gv, io, PL_op->op_type); | |
7d59b7e4 NIS |
1802 | goto say_undef; |
1803 | } | |
1804 | ||
1805 | if (PerlIO_isutf8(IoIFP(io))) { | |
1806 | buffer = SvPVutf8(bufsv, blen); | |
a0d0e21e | 1807 | } |
7d59b7e4 NIS |
1808 | else { |
1809 | if (DO_UTF8(bufsv)) | |
1810 | sv_utf8_downgrade(bufsv, FALSE); | |
1811 | buffer = SvPV(bufsv, blen); | |
1812 | } | |
1813 | ||
1814 | if (PL_op->op_type == OP_SYSWRITE) { | |
1815 | IV offset; | |
1816 | if (DO_UTF8(bufsv)) { | |
1817 | /* length and offset are in chars */ | |
1818 | blen = sv_len_utf8(bufsv); | |
1819 | } | |
bbce6d69 | 1820 | if (MARK < SP) { |
a0d0e21e | 1821 | offset = SvIVx(*++MARK); |
bbce6d69 | 1822 | if (offset < 0) { |
1823 | if (-offset > blen) | |
cea2e8a9 | 1824 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1825 | offset += blen; |
fb73857a | 1826 | } else if (offset >= blen && blen > 0) |
cea2e8a9 | 1827 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1828 | } else |
a0d0e21e LW |
1829 | offset = 0; |
1830 | if (length > blen - offset) | |
1831 | length = blen - offset; | |
7d59b7e4 | 1832 | if (DO_UTF8(bufsv)) { |
c8d31a35 | 1833 | buffer = (char*)utf8_hop((U8 *)buffer, offset); |
7d59b7e4 NIS |
1834 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; |
1835 | } | |
1836 | else { | |
1837 | buffer = buffer+offset; | |
1838 | } | |
a7092146 | 1839 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1840 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1841 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1842 | buffer, length, 0); |
a7092146 GS |
1843 | } |
1844 | else | |
1845 | #endif | |
1846 | { | |
94e4c244 | 1847 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1848 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1849 | buffer, length); |
a7092146 | 1850 | } |
a0d0e21e LW |
1851 | } |
1852 | #ifdef HAS_SOCKET | |
1853 | else if (SP > MARK) { | |
1854 | char *sockbuf; | |
1855 | STRLEN mlen; | |
1856 | sockbuf = SvPVx(*++MARK, mlen); | |
7d59b7e4 | 1857 | /* length is really flags */ |
8c99d73e GS |
1858 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, |
1859 | length, (struct sockaddr *)sockbuf, mlen); | |
a0d0e21e LW |
1860 | } |
1861 | else | |
7d59b7e4 | 1862 | /* length is really flags */ |
8c99d73e | 1863 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length); |
a0d0e21e LW |
1864 | #else |
1865 | else | |
cea2e8a9 | 1866 | DIE(aTHX_ PL_no_sock_func, "send"); |
a0d0e21e | 1867 | #endif |
8c99d73e | 1868 | if (retval < 0) |
a0d0e21e LW |
1869 | goto say_undef; |
1870 | SP = ORIGMARK; | |
f36eea10 JH |
1871 | if (DO_UTF8(bufsv)) |
1872 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); | |
8c99d73e GS |
1873 | #if Size_t_size > IVSIZE |
1874 | PUSHn(retval); | |
1875 | #else | |
1876 | PUSHi(retval); | |
1877 | #endif | |
a0d0e21e LW |
1878 | RETURN; |
1879 | ||
1880 | say_undef: | |
1881 | SP = ORIGMARK; | |
1882 | RETPUSHUNDEF; | |
1883 | } | |
1884 | ||
1885 | PP(pp_recv) | |
1886 | { | |
cea2e8a9 | 1887 | return pp_sysread(); |
a0d0e21e LW |
1888 | } |
1889 | ||
1890 | PP(pp_eof) | |
1891 | { | |
39644a26 | 1892 | dSP; |
a0d0e21e | 1893 | GV *gv; |
5b468f54 | 1894 | IO *io; |
4592e6ca | 1895 | MAGIC *mg; |
a0d0e21e | 1896 | |
32da55ab | 1897 | if (MAXARG == 0) { |
146174a9 CB |
1898 | if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ |
1899 | IO *io; | |
ed2c6b9b | 1900 | gv = PL_last_in_gv = GvEGV(PL_argvgv); |
146174a9 CB |
1901 | io = GvIO(gv); |
1902 | if (io && !IoIFP(io)) { | |
1903 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
1904 | IoLINES(io) = 0; | |
1905 | IoFLAGS(io) &= ~IOf_START; | |
1906 | do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp); | |
1907 | sv_setpvn(GvSV(gv), "-", 1); | |
1908 | SvSETMAGIC(GvSV(gv)); | |
1909 | } | |
1910 | else if (!nextargv(gv)) | |
1911 | RETPUSHYES; | |
1912 | } | |
1913 | } | |
1914 | else | |
1915 | gv = PL_last_in_gv; /* eof */ | |
1916 | } | |
a0d0e21e | 1917 | else |
146174a9 | 1918 | gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ |
4592e6ca | 1919 | |
5b468f54 AMS |
1920 | if (gv && (io = GvIO(gv)) |
1921 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1922 | { | |
4592e6ca | 1923 | PUSHMARK(SP); |
5b468f54 | 1924 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1925 | PUTBACK; |
1926 | ENTER; | |
864dbfa3 | 1927 | call_method("EOF", G_SCALAR); |
4592e6ca NIS |
1928 | LEAVE; |
1929 | SPAGAIN; | |
1930 | RETURN; | |
1931 | } | |
1932 | ||
54310121 | 1933 | PUSHs(boolSV(!gv || do_eof(gv))); |
a0d0e21e LW |
1934 | RETURN; |
1935 | } | |
1936 | ||
1937 | PP(pp_tell) | |
1938 | { | |
39644a26 | 1939 | dSP; dTARGET; |
301e8125 | 1940 | GV *gv; |
5b468f54 | 1941 | IO *io; |
4592e6ca | 1942 | MAGIC *mg; |
a0d0e21e | 1943 | |
32da55ab | 1944 | if (MAXARG == 0) |
3280af22 | 1945 | gv = PL_last_in_gv; |
a0d0e21e | 1946 | else |
3280af22 | 1947 | gv = PL_last_in_gv = (GV*)POPs; |
4592e6ca | 1948 | |
5b468f54 AMS |
1949 | if (gv && (io = GvIO(gv)) |
1950 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1951 | { | |
4592e6ca | 1952 | PUSHMARK(SP); |
5b468f54 | 1953 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1954 | PUTBACK; |
1955 | ENTER; | |
864dbfa3 | 1956 | call_method("TELL", G_SCALAR); |
4592e6ca NIS |
1957 | LEAVE; |
1958 | SPAGAIN; | |
1959 | RETURN; | |
1960 | } | |
1961 | ||
146174a9 CB |
1962 | #if LSEEKSIZE > IVSIZE |
1963 | PUSHn( do_tell(gv) ); | |
1964 | #else | |
a0d0e21e | 1965 | PUSHi( do_tell(gv) ); |
146174a9 | 1966 | #endif |
a0d0e21e LW |
1967 | RETURN; |
1968 | } | |
1969 | ||
1970 | PP(pp_seek) | |
1971 | { | |
cea2e8a9 | 1972 | return pp_sysseek(); |
137443ea | 1973 | } |
1974 | ||
1975 | PP(pp_sysseek) | |
1976 | { | |
39644a26 | 1977 | dSP; |
a0d0e21e | 1978 | GV *gv; |
5b468f54 | 1979 | IO *io; |
a0d0e21e | 1980 | int whence = POPi; |
146174a9 CB |
1981 | #if LSEEKSIZE > IVSIZE |
1982 | Off_t offset = (Off_t)SvNVx(POPs); | |
1983 | #else | |
d9b3e12d | 1984 | Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 1985 | #endif |
4592e6ca | 1986 | MAGIC *mg; |
a0d0e21e | 1987 | |
3280af22 | 1988 | gv = PL_last_in_gv = (GV*)POPs; |
4592e6ca | 1989 | |
5b468f54 AMS |
1990 | if (gv && (io = GvIO(gv)) |
1991 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1992 | { | |
4592e6ca | 1993 | PUSHMARK(SP); |
5b468f54 | 1994 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
cb50131a CB |
1995 | #if LSEEKSIZE > IVSIZE |
1996 | XPUSHs(sv_2mortal(newSVnv((NV) offset))); | |
1997 | #else | |
b448e4fe | 1998 | XPUSHs(sv_2mortal(newSViv(offset))); |
cb50131a | 1999 | #endif |
b448e4fe | 2000 | XPUSHs(sv_2mortal(newSViv(whence))); |
4592e6ca NIS |
2001 | PUTBACK; |
2002 | ENTER; | |
864dbfa3 | 2003 | call_method("SEEK", G_SCALAR); |
4592e6ca NIS |
2004 | LEAVE; |
2005 | SPAGAIN; | |
2006 | RETURN; | |
2007 | } | |
2008 | ||
533c011a | 2009 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2010 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2011 | else { | |
b448e4fe JH |
2012 | Off_t sought = do_sysseek(gv, offset, whence); |
2013 | if (sought < 0) | |
146174a9 CB |
2014 | PUSHs(&PL_sv_undef); |
2015 | else { | |
b448e4fe | 2016 | SV* sv = sought ? |
146174a9 | 2017 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2018 | newSVnv((NV)sought) |
146174a9 | 2019 | #else |
b448e4fe | 2020 | newSViv(sought) |
146174a9 CB |
2021 | #endif |
2022 | : newSVpvn(zero_but_true, ZBTLEN); | |
2023 | PUSHs(sv_2mortal(sv)); | |
2024 | } | |
8903cb82 | 2025 | } |
a0d0e21e LW |
2026 | RETURN; |
2027 | } | |
2028 | ||
2029 | PP(pp_truncate) | |
2030 | { | |
39644a26 | 2031 | dSP; |
8c99d73e GS |
2032 | /* There seems to be no consensus on the length type of truncate() |
2033 | * and ftruncate(), both off_t and size_t have supporters. In | |
2034 | * general one would think that when using large files, off_t is | |
2035 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2036 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
2037 | Off_t len; | |
a0d0e21e | 2038 | |
8c99d73e GS |
2039 | #if Size_t_size > IVSIZE |
2040 | len = (Off_t)POPn; | |
2041 | #else | |
2042 | len = (Off_t)POPi; | |
2043 | #endif | |
2044 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2045 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2046 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2047 | SETERRNO(0,0); |
5d94fbed | 2048 | #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP) |
d05c1ba0 JH |
2049 | { |
2050 | STRLEN n_a; | |
2051 | int result = 1; | |
2052 | GV *tmpgv; | |
2053 | ||
2054 | if (PL_op->op_flags & OPf_SPECIAL) { | |
2055 | tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO); | |
2056 | ||
2057 | do_ftruncate: | |
2058 | TAINT_PROPER("truncate"); | |
2059 | if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv))) | |
2060 | result = 0; | |
2061 | else { | |
2062 | PerlIO_flush(IoIFP(GvIOp(tmpgv))); | |
cbdc8872 | 2063 | #ifdef HAS_TRUNCATE |
d05c1ba0 | 2064 | if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) |
301e8125 | 2065 | #else |
d05c1ba0 | 2066 | if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0) |
cbdc8872 | 2067 | #endif |
d05c1ba0 JH |
2068 | result = 0; |
2069 | } | |
cbdc8872 | 2070 | } |
d05c1ba0 JH |
2071 | else { |
2072 | SV *sv = POPs; | |
2073 | char *name; | |
72f496dc | 2074 | |
d05c1ba0 JH |
2075 | if (SvTYPE(sv) == SVt_PVGV) { |
2076 | tmpgv = (GV*)sv; /* *main::FRED for example */ | |
2077 | goto do_ftruncate; | |
2078 | } | |
2079 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2080 | tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ | |
2081 | goto do_ftruncate; | |
2082 | } | |
1e422769 | 2083 | |
d05c1ba0 JH |
2084 | name = SvPV(sv, n_a); |
2085 | TAINT_PROPER("truncate"); | |
cbdc8872 | 2086 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2087 | if (truncate(name, len) < 0) |
2088 | result = 0; | |
cbdc8872 | 2089 | #else |
d05c1ba0 JH |
2090 | { |
2091 | int tmpfd; | |
2092 | ||
2093 | if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0) | |
cbdc8872 | 2094 | result = 0; |
d05c1ba0 JH |
2095 | else { |
2096 | if (my_chsize(tmpfd, len) < 0) | |
2097 | result = 0; | |
2098 | PerlLIO_close(tmpfd); | |
2099 | } | |
cbdc8872 | 2100 | } |
a0d0e21e | 2101 | #endif |
d05c1ba0 | 2102 | } |
a0d0e21e | 2103 | |
d05c1ba0 JH |
2104 | if (result) |
2105 | RETPUSHYES; | |
2106 | if (!errno) | |
91487cfc | 2107 | SETERRNO(EBADF,RMS$_IFI); |
d05c1ba0 JH |
2108 | RETPUSHUNDEF; |
2109 | } | |
a0d0e21e | 2110 | #else |
cea2e8a9 | 2111 | DIE(aTHX_ "truncate not implemented"); |
a0d0e21e LW |
2112 | #endif |
2113 | } | |
2114 | ||
2115 | PP(pp_fcntl) | |
2116 | { | |
cea2e8a9 | 2117 | return pp_ioctl(); |
a0d0e21e LW |
2118 | } |
2119 | ||
2120 | PP(pp_ioctl) | |
2121 | { | |
39644a26 | 2122 | dSP; dTARGET; |
748a9306 | 2123 | SV *argsv = POPs; |
3bb7c1b4 | 2124 | unsigned int func = POPu; |
533c011a | 2125 | int optype = PL_op->op_type; |
a0d0e21e | 2126 | char *s; |
324aa91a | 2127 | IV retval; |
a0d0e21e | 2128 | GV *gv = (GV*)POPs; |
c289d2f7 | 2129 | IO *io = gv ? GvIOn(gv) : 0; |
a0d0e21e | 2130 | |
748a9306 | 2131 | if (!io || !argsv || !IoIFP(io)) { |
c289d2f7 JH |
2132 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2133 | report_evil_fh(gv, io, PL_op->op_type); | |
91487cfc | 2134 | SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */ |
a0d0e21e LW |
2135 | RETPUSHUNDEF; |
2136 | } | |
2137 | ||
748a9306 | 2138 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2139 | STRLEN len; |
324aa91a | 2140 | STRLEN need; |
748a9306 | 2141 | s = SvPV_force(argsv, len); |
324aa91a HF |
2142 | need = IOCPARM_LEN(func); |
2143 | if (len < need) { | |
2144 | s = Sv_Grow(argsv, need + 1); | |
2145 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2146 | } |
2147 | ||
748a9306 | 2148 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2149 | } |
2150 | else { | |
748a9306 | 2151 | retval = SvIV(argsv); |
c529f79d | 2152 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2153 | } |
2154 | ||
2155 | TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl"); | |
2156 | ||
2157 | if (optype == OP_IOCTL) | |
2158 | #ifdef HAS_IOCTL | |
76e3520e | 2159 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2160 | #else |
cea2e8a9 | 2161 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2162 | #endif |
2163 | else | |
55497cff | 2164 | #ifdef HAS_FCNTL |
2165 | #if defined(OS2) && defined(__EMX__) | |
760ac839 | 2166 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2167 | #else |
760ac839 | 2168 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2169 | #endif |
55497cff | 2170 | #else |
cea2e8a9 | 2171 | DIE(aTHX_ "fcntl is not implemented"); |
a0d0e21e LW |
2172 | #endif |
2173 | ||
748a9306 LW |
2174 | if (SvPOK(argsv)) { |
2175 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2176 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2177 | OP_NAME(PL_op)); |
748a9306 LW |
2178 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2179 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2180 | } |
2181 | ||
2182 | if (retval == -1) | |
2183 | RETPUSHUNDEF; | |
2184 | if (retval != 0) { | |
2185 | PUSHi(retval); | |
2186 | } | |
2187 | else { | |
8903cb82 | 2188 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
2189 | } |
2190 | RETURN; | |
2191 | } | |
2192 | ||
2193 | PP(pp_flock) | |
2194 | { | |
9cad6237 | 2195 | #ifdef FLOCK |
39644a26 | 2196 | dSP; dTARGET; |
a0d0e21e LW |
2197 | I32 value; |
2198 | int argtype; | |
2199 | GV *gv; | |
bc37a18f | 2200 | IO *io = NULL; |
760ac839 | 2201 | PerlIO *fp; |
16d20bd9 | 2202 | |
a0d0e21e | 2203 | argtype = POPi; |
32da55ab | 2204 | if (MAXARG == 0) |
3280af22 | 2205 | gv = PL_last_in_gv; |
a0d0e21e LW |
2206 | else |
2207 | gv = (GV*)POPs; | |
bc37a18f RG |
2208 | if (gv && (io = GvIO(gv))) |
2209 | fp = IoIFP(io); | |
2210 | else { | |
a0d0e21e | 2211 | fp = Nullfp; |
bc37a18f RG |
2212 | io = NULL; |
2213 | } | |
a0d0e21e | 2214 | if (fp) { |
68dc0745 | 2215 | (void)PerlIO_flush(fp); |
76e3520e | 2216 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2217 | } |
cb50131a | 2218 | else { |
bc37a18f RG |
2219 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2220 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 2221 | value = 0; |
91487cfc | 2222 | SETERRNO(EBADF,RMS$_IFI); |
cb50131a | 2223 | } |
a0d0e21e LW |
2224 | PUSHi(value); |
2225 | RETURN; | |
2226 | #else | |
cea2e8a9 | 2227 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2228 | #endif |
2229 | } | |
2230 | ||
2231 | /* Sockets. */ | |
2232 | ||
2233 | PP(pp_socket) | |
2234 | { | |
a0d0e21e | 2235 | #ifdef HAS_SOCKET |
9cad6237 | 2236 | dSP; |
a0d0e21e LW |
2237 | GV *gv; |
2238 | register IO *io; | |
2239 | int protocol = POPi; | |
2240 | int type = POPi; | |
2241 | int domain = POPi; | |
2242 | int fd; | |
2243 | ||
2244 | gv = (GV*)POPs; | |
c289d2f7 | 2245 | io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2246 | |
c289d2f7 JH |
2247 | if (!gv || !io) { |
2248 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
2249 | report_evil_fh(gv, io, PL_op->op_type); | |
2250 | if (IoIFP(io)) | |
2251 | do_close(gv, FALSE); | |
91487cfc | 2252 | SETERRNO(EBADF,LIB$_INVARG); |
a0d0e21e LW |
2253 | RETPUSHUNDEF; |
2254 | } | |
2255 | ||
57171420 BS |
2256 | if (IoIFP(io)) |
2257 | do_close(gv, FALSE); | |
2258 | ||
a0d0e21e | 2259 | TAINT_PROPER("socket"); |
6ad3d225 | 2260 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2261 | if (fd < 0) |
2262 | RETPUSHUNDEF; | |
760ac839 LW |
2263 | IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */ |
2264 | IoOFP(io) = PerlIO_fdopen(fd, "w"); | |
50952442 | 2265 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2266 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2267 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2268 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2269 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2270 | RETPUSHUNDEF; |
2271 | } | |
8d2a6795 GS |
2272 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2273 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2274 | #endif | |
a0d0e21e | 2275 | |
d5ff79b3 OF |
2276 | #ifdef EPOC |
2277 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2278 | #endif | |
2279 | ||
a0d0e21e LW |
2280 | RETPUSHYES; |
2281 | #else | |
cea2e8a9 | 2282 | DIE(aTHX_ PL_no_sock_func, "socket"); |
a0d0e21e LW |
2283 | #endif |
2284 | } | |
2285 | ||
2286 | PP(pp_sockpair) | |
2287 | { | |
83ad58fb | 2288 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
76ffd3b9 | 2289 | dSP; |
a0d0e21e LW |
2290 | GV *gv1; |
2291 | GV *gv2; | |
2292 | register IO *io1; | |
2293 | register IO *io2; | |
2294 | int protocol = POPi; | |
2295 | int type = POPi; | |
2296 | int domain = POPi; | |
2297 | int fd[2]; | |
2298 | ||
2299 | gv2 = (GV*)POPs; | |
2300 | gv1 = (GV*)POPs; | |
c289d2f7 JH |
2301 | io1 = gv1 ? GvIOn(gv1) : NULL; |
2302 | io2 = gv2 ? GvIOn(gv2) : NULL; | |
2303 | if (!gv1 || !gv2 || !io1 || !io2) { | |
2304 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { | |
2305 | if (!gv1 || !io1) | |
2306 | report_evil_fh(gv1, io1, PL_op->op_type); | |
2307 | if (!gv2 || !io2) | |
2308 | report_evil_fh(gv1, io2, PL_op->op_type); | |
2309 | } | |
2310 | if (IoIFP(io1)) | |
2311 | do_close(gv1, FALSE); | |
2312 | if (IoIFP(io2)) | |
2313 | do_close(gv2, FALSE); | |
a0d0e21e | 2314 | RETPUSHUNDEF; |
c289d2f7 | 2315 | } |
a0d0e21e | 2316 | |
dc0d0a5f JH |
2317 | if (IoIFP(io1)) |
2318 | do_close(gv1, FALSE); | |
2319 | if (IoIFP(io2)) | |
2320 | do_close(gv2, FALSE); | |
57171420 | 2321 | |
a0d0e21e | 2322 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2323 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2324 | RETPUSHUNDEF; |
760ac839 LW |
2325 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"); |
2326 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"); | |
50952442 | 2327 | IoTYPE(io1) = IoTYPE_SOCKET; |
760ac839 LW |
2328 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"); |
2329 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"); | |
50952442 | 2330 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2331 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2332 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2333 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2334 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2335 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2336 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2337 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2338 | RETPUSHUNDEF; |
2339 | } | |
8d2a6795 GS |
2340 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2341 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2342 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2343 | #endif | |
a0d0e21e LW |
2344 | |
2345 | RETPUSHYES; | |
2346 | #else | |
cea2e8a9 | 2347 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2348 | #endif |
2349 | } | |
2350 | ||
2351 | PP(pp_bind) | |
2352 | { | |
a0d0e21e | 2353 | #ifdef HAS_SOCKET |
9cad6237 | 2354 | dSP; |
eec2d3df | 2355 | #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */ |
82b3da69 JH |
2356 | extern void GETPRIVMODE(); |
2357 | extern void GETUSERMODE(); | |
eec2d3df | 2358 | #endif |
748a9306 | 2359 | SV *addrsv = POPs; |
a0d0e21e LW |
2360 | char *addr; |
2361 | GV *gv = (GV*)POPs; | |
2362 | register IO *io = GvIOn(gv); | |
2363 | STRLEN len; | |
eec2d3df GS |
2364 | int bind_ok = 0; |
2365 | #ifdef MPE | |
2366 | int mpeprivmode = 0; | |
2367 | #endif | |
a0d0e21e LW |
2368 | |
2369 | if (!io || !IoIFP(io)) | |
2370 | goto nuts; | |
2371 | ||
748a9306 | 2372 | addr = SvPV(addrsv, len); |
a0d0e21e | 2373 | TAINT_PROPER("bind"); |
eec2d3df GS |
2374 | #ifdef MPE /* Deal with MPE bind() peculiarities */ |
2375 | if (((struct sockaddr *)addr)->sa_family == AF_INET) { | |
2376 | /* The address *MUST* stupidly be zero. */ | |
2377 | ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY; | |
2378 | /* PRIV mode is required to bind() to ports < 1024. */ | |
2379 | if (((struct sockaddr_in *)addr)->sin_port < 1024 && | |
2380 | ((struct sockaddr_in *)addr)->sin_port > 0) { | |
2381 | GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */ | |
2382 | mpeprivmode = 1; | |
2383 | } | |
2384 | } | |
2385 | #endif /* MPE */ | |
2386 | if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), | |
2387 | (struct sockaddr *)addr, len) >= 0) | |
2388 | bind_ok = 1; | |
2389 | ||
2390 | #ifdef MPE /* Switch back to USER mode */ | |
2391 | if (mpeprivmode) | |
2392 | GETUSERMODE(); | |
2393 | #endif /* MPE */ | |
2394 | ||
2395 | if (bind_ok) | |
a0d0e21e LW |
2396 | RETPUSHYES; |
2397 | else | |
2398 | RETPUSHUNDEF; | |
2399 | ||
2400 | nuts: | |
599cee73 | 2401 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2402 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2403 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2404 | RETPUSHUNDEF; |
2405 | #else | |
cea2e8a9 | 2406 | DIE(aTHX_ PL_no_sock_func, "bind"); |
a0d0e21e LW |
2407 | #endif |
2408 | } | |
2409 | ||
2410 | PP(pp_connect) | |
2411 | { | |
a0d0e21e | 2412 | #ifdef HAS_SOCKET |
9cad6237 | 2413 | dSP; |
748a9306 | 2414 | SV *addrsv = POPs; |
a0d0e21e LW |
2415 | char *addr; |
2416 | GV *gv = (GV*)POPs; | |
2417 | register IO *io = GvIOn(gv); | |
2418 | STRLEN len; | |
2419 | ||
2420 | if (!io || !IoIFP(io)) | |
2421 | goto nuts; | |
2422 | ||
748a9306 | 2423 | addr = SvPV(addrsv, len); |
a0d0e21e | 2424 | TAINT_PROPER("connect"); |
6ad3d225 | 2425 | if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2426 | RETPUSHYES; |
2427 | else | |
2428 | RETPUSHUNDEF; | |
2429 | ||
2430 | nuts: | |
599cee73 | 2431 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2432 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2433 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2434 | RETPUSHUNDEF; |
2435 | #else | |
cea2e8a9 | 2436 | DIE(aTHX_ PL_no_sock_func, "connect"); |
a0d0e21e LW |
2437 | #endif |
2438 | } | |
2439 | ||
2440 | PP(pp_listen) | |
2441 | { | |
a0d0e21e | 2442 | #ifdef HAS_SOCKET |
9cad6237 | 2443 | dSP; |
a0d0e21e LW |
2444 | int backlog = POPi; |
2445 | GV *gv = (GV*)POPs; | |
c289d2f7 | 2446 | register IO *io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2447 | |
c289d2f7 | 2448 | if (!gv || !io || !IoIFP(io)) |
a0d0e21e LW |
2449 | goto nuts; |
2450 | ||
6ad3d225 | 2451 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2452 | RETPUSHYES; |
2453 | else | |
2454 | RETPUSHUNDEF; | |
2455 | ||
2456 | nuts: | |
599cee73 | 2457 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2458 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2459 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2460 | RETPUSHUNDEF; |
2461 | #else | |
cea2e8a9 | 2462 | DIE(aTHX_ PL_no_sock_func, "listen"); |
a0d0e21e LW |
2463 | #endif |
2464 | } | |
2465 | ||
2466 | PP(pp_accept) | |
2467 | { | |
a0d0e21e | 2468 | #ifdef HAS_SOCKET |
9cad6237 | 2469 | dSP; dTARGET; |
a0d0e21e LW |
2470 | GV *ngv; |
2471 | GV *ggv; | |
2472 | register IO *nstio; | |
2473 | register IO *gstio; | |
4633a7c4 | 2474 | struct sockaddr saddr; /* use a struct to avoid alignment problems */ |
1e422769 | 2475 | Sock_size_t len = sizeof saddr; |
a0d0e21e | 2476 | int fd; |
72f496dc | 2477 | int fd2; |
a0d0e21e LW |
2478 | |
2479 | ggv = (GV*)POPs; | |
2480 | ngv = (GV*)POPs; | |
2481 | ||
2482 | if (!ngv) | |
2483 | goto badexit; | |
2484 | if (!ggv) | |
2485 | goto nuts; | |
2486 | ||
2487 | gstio = GvIO(ggv); | |
2488 | if (!gstio || !IoIFP(gstio)) | |
2489 | goto nuts; | |
2490 | ||
2491 | nstio = GvIOn(ngv); | |
6ad3d225 | 2492 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len); |
a0d0e21e LW |
2493 | if (fd < 0) |
2494 | goto badexit; | |
a70048fb AB |
2495 | if (IoIFP(nstio)) |
2496 | do_close(ngv, FALSE); | |
760ac839 | 2497 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"); |
72f496dc NIS |
2498 | /* FIXME: we dup(fd) here so that refcounting of fd's does not inhibit |
2499 | fclose of IoOFP's FILE * - and hence leak memory. | |
2500 | Special treatment of _this_ case of IoIFP != IoOFP seems wrong. | |
2501 | */ | |
2502 | IoOFP(nstio) = PerlIO_fdopen(fd2 = PerlLIO_dup(fd), "w"); | |
50952442 | 2503 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2504 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2505 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2506 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2507 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2508 | goto badexit; |
2509 | } | |
8d2a6795 GS |
2510 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2511 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
72f496dc | 2512 | fcntl(fd2, F_SETFD, fd2 > PL_maxsysfd); /* ensure close-on-exec */ |
8d2a6795 | 2513 | #endif |
a0d0e21e | 2514 | |
ed79a026 | 2515 | #ifdef EPOC |
a9f1f6b0 OF |
2516 | len = sizeof saddr; /* EPOC somehow truncates info */ |
2517 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ | |
ed79a026 OF |
2518 | #endif |
2519 | ||
748a9306 | 2520 | PUSHp((char *)&saddr, len); |
a0d0e21e LW |
2521 | RETURN; |
2522 | ||
2523 | nuts: | |
599cee73 | 2524 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2525 | report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type); |
91487cfc | 2526 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2527 | |
2528 | badexit: | |
2529 | RETPUSHUNDEF; | |
2530 | ||
2531 | #else | |
cea2e8a9 | 2532 | DIE(aTHX_ PL_no_sock_func, "accept"); |
a0d0e21e LW |
2533 | #endif |
2534 | } | |
2535 | ||
2536 | PP(pp_shutdown) | |
2537 | { | |
a0d0e21e | 2538 | #ifdef HAS_SOCKET |
9cad6237 | 2539 | dSP; dTARGET; |
a0d0e21e LW |
2540 | int how = POPi; |
2541 | GV *gv = (GV*)POPs; | |
2542 | register IO *io = GvIOn(gv); | |
2543 | ||
2544 | if (!io || !IoIFP(io)) | |
2545 | goto nuts; | |
2546 | ||
6ad3d225 | 2547 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2548 | RETURN; |
2549 | ||
2550 | nuts: | |
599cee73 | 2551 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2552 | report_evil_fh(gv, io, PL_op->op_type); |
91487cfc | 2553 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2554 | RETPUSHUNDEF; |
2555 | #else | |
cea2e8a9 | 2556 | DIE(aTHX_ PL_no_sock_func, "shutdown"); |
a0d0e21e LW |
2557 | #endif |
2558 | } | |
2559 | ||
2560 | PP(pp_gsockopt) | |
2561 | { | |
2562 | #ifdef HAS_SOCKET | |
cea2e8a9 | 2563 | return pp_ssockopt(); |
a0d0e21e | 2564 | #else |
cea2e8a9 | 2565 | DIE(aTHX_ PL_no_sock_func, "getsockopt"); |
a0d0e21e LW |
2566 | #endif |
2567 | } | |
2568 | ||
2569 | PP(pp_ssockopt) | |
2570 | { | |
a0d0e21e | 2571 | #ifdef HAS_SOCKET |
9cad6237 | 2572 | dSP; |
533c011a | 2573 | int optype = PL_op->op_type; |
a0d0e21e LW |
2574 | SV *sv; |
2575 | int fd; | |
2576 | unsigned int optname; | |
2577 | unsigned int lvl; | |
2578 | GV *gv; | |
2579 | register IO *io; | |
1e422769 | 2580 | Sock_size_t len; |
a0d0e21e LW |
2581 | |
2582 | if (optype == OP_GSOCKOPT) | |
2583 | sv = sv_2mortal(NEWSV(22, 257)); | |
2584 | else | |
2585 | sv = POPs; | |
2586 | optname = (unsigned int) POPi; | |
2587 | lvl = (unsigned int) POPi; | |
2588 | ||
2589 | gv = (GV*)POPs; | |
2590 | io = GvIOn(gv); | |
2591 | if (!io || !IoIFP(io)) | |
2592 | goto nuts; | |
2593 | ||
760ac839 | 2594 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2595 | switch (optype) { |
2596 | case OP_GSOCKOPT: | |
748a9306 | 2597 | SvGROW(sv, 257); |
a0d0e21e | 2598 | (void)SvPOK_only(sv); |
748a9306 LW |
2599 | SvCUR_set(sv,256); |
2600 | *SvEND(sv) ='\0'; | |
1e422769 | 2601 | len = SvCUR(sv); |
6ad3d225 | 2602 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2603 | goto nuts2; |
1e422769 | 2604 | SvCUR_set(sv, len); |
748a9306 | 2605 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2606 | PUSHs(sv); |
2607 | break; | |
2608 | case OP_SSOCKOPT: { | |
1e422769 | 2609 | char *buf; |
2610 | int aint; | |
2611 | if (SvPOKp(sv)) { | |
2d8e6c8d GS |
2612 | STRLEN l; |
2613 | buf = SvPV(sv, l); | |
2614 | len = l; | |
1e422769 | 2615 | } |
56ee1660 | 2616 | else { |
a0d0e21e LW |
2617 | aint = (int)SvIV(sv); |
2618 | buf = (char*)&aint; | |
2619 | len = sizeof(int); | |
2620 | } | |
6ad3d225 | 2621 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2622 | goto nuts2; |
3280af22 | 2623 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2624 | } |
2625 | break; | |
2626 | } | |
2627 | RETURN; | |
2628 | ||
2629 | nuts: | |
599cee73 | 2630 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2631 | report_evil_fh(gv, io, optype); |
91487cfc | 2632 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2633 | nuts2: |
2634 | RETPUSHUNDEF; | |
2635 | ||
2636 | #else | |
cea2e8a9 | 2637 | DIE(aTHX_ PL_no_sock_func, "setsockopt"); |
a0d0e21e LW |
2638 | #endif |
2639 | } | |
2640 | ||
2641 | PP(pp_getsockname) | |
2642 | { | |
2643 | #ifdef HAS_SOCKET | |
cea2e8a9 | 2644 | return pp_getpeername(); |
a0d0e21e | 2645 | #else |
cea2e8a9 | 2646 | DIE(aTHX_ PL_no_sock_func, "getsockname"); |
a0d0e21e LW |
2647 | #endif |
2648 | } | |
2649 | ||
2650 | PP(pp_getpeername) | |
2651 | { | |
a0d0e21e | 2652 | #ifdef HAS_SOCKET |
9cad6237 | 2653 | dSP; |
533c011a | 2654 | int optype = PL_op->op_type; |
a0d0e21e LW |
2655 | SV *sv; |
2656 | int fd; | |
2657 | GV *gv = (GV*)POPs; | |
2658 | register IO *io = GvIOn(gv); | |
1e422769 | 2659 | Sock_size_t len; |
a0d0e21e LW |
2660 | |
2661 | if (!io || !IoIFP(io)) | |
2662 | goto nuts; | |
2663 | ||
2664 | sv = sv_2mortal(NEWSV(22, 257)); | |
748a9306 | 2665 | (void)SvPOK_only(sv); |
1e422769 | 2666 | len = 256; |
2667 | SvCUR_set(sv, len); | |
748a9306 | 2668 | *SvEND(sv) ='\0'; |
760ac839 | 2669 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2670 | switch (optype) { |
2671 | case OP_GETSOCKNAME: | |
6ad3d225 | 2672 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2673 | goto nuts2; |
2674 | break; | |
2675 | case OP_GETPEERNAME: | |
6ad3d225 | 2676 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2677 | goto nuts2; |
490ab354 JH |
2678 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2679 | { | |
2680 | 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"; | |
2681 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
2682 | if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET && | |
2683 | !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere, | |
2684 | sizeof(u_short) + sizeof(struct in_addr))) { | |
301e8125 | 2685 | goto nuts2; |
490ab354 JH |
2686 | } |
2687 | } | |
2688 | #endif | |
a0d0e21e LW |
2689 | break; |
2690 | } | |
13826f2c CS |
2691 | #ifdef BOGUS_GETNAME_RETURN |
2692 | /* Interactive Unix, getpeername() and getsockname() | |
2693 | does not return valid namelen */ | |
1e422769 | 2694 | if (len == BOGUS_GETNAME_RETURN) |
2695 | len = sizeof(struct sockaddr); | |
13826f2c | 2696 | #endif |
1e422769 | 2697 | SvCUR_set(sv, len); |
748a9306 | 2698 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2699 | PUSHs(sv); |
2700 | RETURN; | |
2701 | ||
2702 | nuts: | |
599cee73 | 2703 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2704 | report_evil_fh(gv, io, optype); |
91487cfc | 2705 | SETERRNO(EBADF,SS$_IVCHAN); |
a0d0e21e LW |
2706 | nuts2: |
2707 | RETPUSHUNDEF; | |
2708 | ||
2709 | #else | |
cea2e8a9 | 2710 | DIE(aTHX_ PL_no_sock_func, "getpeername"); |
a0d0e21e LW |
2711 | #endif |
2712 | } | |
2713 | ||
2714 | /* Stat calls. */ | |
2715 | ||
2716 | PP(pp_lstat) | |
2717 | { | |
cea2e8a9 | 2718 | return pp_stat(); |
a0d0e21e LW |
2719 | } |
2720 | ||
2721 | PP(pp_stat) | |
2722 | { | |
39644a26 | 2723 | dSP; |
2dd78f96 | 2724 | GV *gv; |
54310121 | 2725 | I32 gimme; |
a0d0e21e | 2726 | I32 max = 13; |
2d8e6c8d | 2727 | STRLEN n_a; |
a0d0e21e | 2728 | |
533c011a | 2729 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2730 | gv = cGVOP_gv; |
8a4e5b40 | 2731 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de RGS |
2732 | if (gv != PL_defgv) { |
2733 | if (ckWARN(WARN_IO)) | |
2734 | Perl_warner(aTHX_ WARN_IO, | |
2735 | "lstat() on filehandle %s", GvENAME(gv)); | |
2736 | } else if (PL_laststype != OP_LSTAT) | |
8a4e5b40 | 2737 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2738 | } |
2739 | ||
748a9306 | 2740 | do_fstat: |
2dd78f96 | 2741 | if (gv != PL_defgv) { |
3280af22 | 2742 | PL_laststype = OP_STAT; |
2dd78f96 | 2743 | PL_statgv = gv; |
3280af22 | 2744 | sv_setpv(PL_statname, ""); |
2dd78f96 JH |
2745 | PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv)) |
2746 | ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1); | |
a0d0e21e | 2747 | } |
9ddeeac9 | 2748 | if (PL_laststatval < 0) { |
2dd78f96 JH |
2749 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2750 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); | |
a0d0e21e | 2751 | max = 0; |
9ddeeac9 | 2752 | } |
a0d0e21e LW |
2753 | } |
2754 | else { | |
748a9306 LW |
2755 | SV* sv = POPs; |
2756 | if (SvTYPE(sv) == SVt_PVGV) { | |
2dd78f96 | 2757 | gv = (GV*)sv; |
748a9306 LW |
2758 | goto do_fstat; |
2759 | } | |
2760 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 2761 | gv = (GV*)SvRV(sv); |
5d3e98de RGS |
2762 | if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO)) |
2763 | Perl_warner(aTHX_ WARN_IO, | |
2764 | "lstat() on filehandle %s", GvENAME(gv)); | |
748a9306 LW |
2765 | goto do_fstat; |
2766 | } | |
2d8e6c8d | 2767 | sv_setpv(PL_statname, SvPV(sv,n_a)); |
3280af22 | 2768 | PL_statgv = Nullgv; |
a0d0e21e | 2769 | #ifdef HAS_LSTAT |
533c011a NIS |
2770 | PL_laststype = PL_op->op_type; |
2771 | if (PL_op->op_type == OP_LSTAT) | |
2d8e6c8d | 2772 | PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache); |
a0d0e21e LW |
2773 | else |
2774 | #endif | |
2d8e6c8d | 2775 | PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache); |
3280af22 | 2776 | if (PL_laststatval < 0) { |
2d8e6c8d | 2777 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n')) |
cea2e8a9 | 2778 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat"); |
a0d0e21e LW |
2779 | max = 0; |
2780 | } | |
2781 | } | |
2782 | ||
54310121 | 2783 | gimme = GIMME_V; |
2784 | if (gimme != G_ARRAY) { | |
2785 | if (gimme != G_VOID) | |
2786 | XPUSHs(boolSV(max)); | |
2787 | RETURN; | |
a0d0e21e LW |
2788 | } |
2789 | if (max) { | |
36477c24 | 2790 | EXTEND(SP, max); |
2791 | EXTEND_MORTAL(max); | |
1ff81528 PL |
2792 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); |
2793 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); | |
b448e4fe JH |
2794 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); |
2795 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); | |
146174a9 CB |
2796 | #if Uid_t_size > IVSIZE |
2797 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); | |
2798 | #else | |
23dcd6c8 | 2799 | # if Uid_t_sign <= 0 |
1ff81528 | 2800 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); |
23dcd6c8 JH |
2801 | # else |
2802 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); | |
2803 | # endif | |
146174a9 | 2804 | #endif |
301e8125 | 2805 | #if Gid_t_size > IVSIZE |
146174a9 CB |
2806 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); |
2807 | #else | |
23dcd6c8 | 2808 | # if Gid_t_sign <= 0 |
1ff81528 | 2809 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); |
23dcd6c8 JH |
2810 | # else |
2811 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); | |
2812 | # endif | |
146174a9 | 2813 | #endif |
cbdc8872 | 2814 | #ifdef USE_STAT_RDEV |
1ff81528 | 2815 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); |
cbdc8872 | 2816 | #else |
79cb57f6 | 2817 | PUSHs(sv_2mortal(newSVpvn("", 0))); |
cbdc8872 | 2818 | #endif |
146174a9 CB |
2819 | #if Off_t_size > IVSIZE |
2820 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size))); | |
2821 | #else | |
1ff81528 | 2822 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); |
146174a9 | 2823 | #endif |
cbdc8872 | 2824 | #ifdef BIG_TIME |
172ae379 JH |
2825 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); |
2826 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); | |
2827 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); | |
cbdc8872 | 2828 | #else |
1ff81528 PL |
2829 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime))); |
2830 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime))); | |
2831 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime))); | |
cbdc8872 | 2832 | #endif |
a0d0e21e | 2833 | #ifdef USE_STAT_BLOCKS |
b448e4fe JH |
2834 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); |
2835 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); | |
a0d0e21e | 2836 | #else |
79cb57f6 GS |
2837 | PUSHs(sv_2mortal(newSVpvn("", 0))); |
2838 | PUSHs(sv_2mortal(newSVpvn("", 0))); | |
a0d0e21e LW |
2839 | #endif |
2840 | } | |
2841 | RETURN; | |
2842 | } | |
2843 | ||
2844 | PP(pp_ftrread) | |
2845 | { | |
9cad6237 | 2846 | I32 result; |
2a3ff820 | 2847 | dSP; |
5ff3f7a4 | 2848 | #if defined(HAS_ACCESS) && defined(R_OK) |
2d8e6c8d | 2849 | STRLEN n_a; |
5ff3f7a4 | 2850 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2851 | result = access(TOPpx, R_OK); |
5ff3f7a4 GS |
2852 | if (result == 0) |
2853 | RETPUSHYES; | |
2854 | if (result < 0) | |
2855 | RETPUSHUNDEF; | |
2856 | RETPUSHNO; | |
22865c03 GS |
2857 | } |
2858 | else | |
cea2e8a9 | 2859 | result = my_stat(); |
5ff3f7a4 | 2860 | #else |
cea2e8a9 | 2861 | result = my_stat(); |
5ff3f7a4 | 2862 | #endif |
22865c03 | 2863 | SPAGAIN; |
a0d0e21e LW |
2864 | if (result < 0) |
2865 | RETPUSHUNDEF; | |
3280af22 | 2866 | if (cando(S_IRUSR, 0, &PL_statcache)) |
a0d0e21e LW |
2867 | RETPUSHYES; |
2868 | RETPUSHNO; | |
2869 | } | |
2870 | ||
2871 | PP(pp_ftrwrite) | |
2872 | { | |
9cad6237 | 2873 | I32 result; |
2a3ff820 | 2874 | dSP; |
5ff3f7a4 | 2875 | #if defined(HAS_ACCESS) && defined(W_OK) |
2d8e6c8d | 2876 | STRLEN n_a; |
5ff3f7a4 | 2877 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2878 | result = access(TOPpx, W_OK); |
5ff3f7a4 GS |
2879 | if (result == 0) |
2880 | RETPUSHYES; | |
2881 | if (result < 0) | |
2882 | RETPUSHUNDEF; | |
2883 | RETPUSHNO; | |
22865c03 GS |
2884 | } |
2885 | else | |
cea2e8a9 | 2886 | result = my_stat(); |
5ff3f7a4 | 2887 | #else |
cea2e8a9 | 2888 | result = my_stat(); |
5ff3f7a4 | 2889 | #endif |
22865c03 | 2890 | SPAGAIN; |
a0d0e21e LW |
2891 | if (result < 0) |
2892 | RETPUSHUNDEF; | |
3280af22 | 2893 | if (cando(S_IWUSR, 0, &PL_statcache)) |
a0d0e21e LW |
2894 | RETPUSHYES; |
2895 | RETPUSHNO; | |
2896 | } | |
2897 | ||
2898 | PP(pp_ftrexec) | |
2899 | { | |
9cad6237 | 2900 | I32 result; |
2a3ff820 | 2901 | dSP; |
5ff3f7a4 | 2902 | #if defined(HAS_ACCESS) && defined(X_OK) |
2d8e6c8d | 2903 | STRLEN n_a; |
5ff3f7a4 | 2904 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2905 | result = access(TOPpx, X_OK); |
5ff3f7a4 GS |
2906 | if (result == 0) |
2907 | RETPUSHYES; | |
2908 | if (result < 0) | |
2909 | RETPUSHUNDEF; | |
2910 | RETPUSHNO; | |
22865c03 GS |
2911 | } |
2912 | else | |
cea2e8a9 | 2913 | result = my_stat(); |
5ff3f7a4 | 2914 | #else |
cea2e8a9 | 2915 | result = my_stat(); |
5ff3f7a4 | 2916 | #endif |
22865c03 | 2917 | SPAGAIN; |
a0d0e21e LW |
2918 | if (result < 0) |
2919 | RETPUSHUNDEF; | |
3280af22 | 2920 | if (cando(S_IXUSR, 0, &PL_statcache)) |
a0d0e21e LW |
2921 | RETPUSHYES; |
2922 | RETPUSHNO; | |
2923 | } | |
2924 | ||
2925 | PP(pp_fteread) | |
2926 | { | |
9cad6237 | 2927 | I32 result; |
2a3ff820 | 2928 | dSP; |
5ff3f7a4 | 2929 | #ifdef PERL_EFF_ACCESS_R_OK |
2d8e6c8d | 2930 | STRLEN n_a; |
5ff3f7a4 | 2931 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2932 | result = PERL_EFF_ACCESS_R_OK(TOPpx); |
5ff3f7a4 GS |
2933 | if (result == 0) |
2934 | RETPUSHYES; | |
2935 | if (result < 0) | |
2936 | RETPUSHUNDEF; | |
2937 | RETPUSHNO; | |
22865c03 GS |
2938 | } |
2939 | else | |
cea2e8a9 | 2940 | result = my_stat(); |
5ff3f7a4 | 2941 | #else |
cea2e8a9 | 2942 | result = my_stat(); |
5ff3f7a4 | 2943 | #endif |
22865c03 | 2944 | SPAGAIN; |
a0d0e21e LW |
2945 | if (result < 0) |
2946 | RETPUSHUNDEF; | |
3280af22 | 2947 | if (cando(S_IRUSR, 1, &PL_statcache)) |
a0d0e21e LW |
2948 | RETPUSHYES; |
2949 | RETPUSHNO; | |
2950 | } | |
2951 | ||
2952 | PP(pp_ftewrite) | |
2953 | { | |
9cad6237 | 2954 | I32 result; |
2a3ff820 | 2955 | dSP; |
5ff3f7a4 | 2956 | #ifdef PERL_EFF_ACCESS_W_OK |
2d8e6c8d | 2957 | STRLEN n_a; |
5ff3f7a4 | 2958 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2959 | result = PERL_EFF_ACCESS_W_OK(TOPpx); |
5ff3f7a4 GS |
2960 | if (result == 0) |
2961 | RETPUSHYES; | |
2962 | if (result < 0) | |
2963 | RETPUSHUNDEF; | |
2964 | RETPUSHNO; | |
22865c03 GS |
2965 | } |
2966 | else | |
cea2e8a9 | 2967 | result = my_stat(); |
5ff3f7a4 | 2968 | #else |
cea2e8a9 | 2969 | result = my_stat(); |
5ff3f7a4 | 2970 | #endif |
22865c03 | 2971 | SPAGAIN; |
a0d0e21e LW |
2972 | if (result < 0) |
2973 | RETPUSHUNDEF; | |
3280af22 | 2974 | if (cando(S_IWUSR, 1, &PL_statcache)) |
a0d0e21e LW |
2975 | RETPUSHYES; |
2976 | RETPUSHNO; | |
2977 | } | |
2978 | ||
2979 | PP(pp_fteexec) | |
2980 | { | |
9cad6237 | 2981 | I32 result; |
2a3ff820 | 2982 | dSP; |
5ff3f7a4 | 2983 | #ifdef PERL_EFF_ACCESS_X_OK |
2d8e6c8d | 2984 | STRLEN n_a; |
5ff3f7a4 | 2985 | if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) { |
2d8e6c8d | 2986 | result = PERL_EFF_ACCESS_X_OK(TOPpx); |
5ff3f7a4 GS |
2987 | if (result == 0) |
2988 | RETPUSHYES; | |
2989 | if (result < 0) | |
2990 | RETPUSHUNDEF; | |
2991 | RETPUSHNO; | |
22865c03 GS |
2992 | } |
2993 | else | |
cea2e8a9 | 2994 | result = my_stat(); |
5ff3f7a4 | 2995 | #else |
cea2e8a9 | 2996 | result = my_stat(); |
5ff3f7a4 | 2997 | #endif |
22865c03 | 2998 | SPAGAIN; |
a0d0e21e LW |
2999 | if (result < 0) |
3000 | RETPUSHUNDEF; | |
3280af22 | 3001 | if (cando(S_IXUSR, 1, &PL_statcache)) |
a0d0e21e LW |
3002 | RETPUSHYES; |
3003 | RETPUSHNO; | |
3004 | } | |
3005 | ||
3006 | PP(pp_ftis) | |
3007 | { | |
9cad6237 | 3008 | I32 result = my_stat(); |
2a3ff820 | 3009 | dSP; |
a0d0e21e LW |
3010 | if (result < 0) |
3011 | RETPUSHUNDEF; | |
3012 | RETPUSHYES; | |
3013 | } | |
3014 | ||
3015 | PP(pp_fteowned) | |
3016 | { | |
cea2e8a9 | 3017 | return pp_ftrowned(); |
a0d0e21e LW |
3018 | } |
3019 | ||
3020 | PP(pp_ftrowned) | |
3021 | { | |
9cad6237 | 3022 | I32 result = my_stat(); |
2a3ff820 | 3023 | dSP; |
a0d0e21e LW |
3024 | if (result < 0) |
3025 | RETPUSHUNDEF; | |
146174a9 CB |
3026 | if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? |
3027 | PL_euid : PL_uid) ) | |
a0d0e21e LW |
3028 | RETPUSHYES; |
3029 | RETPUSHNO; | |
3030 | } | |
3031 | ||
3032 | PP(pp_ftzero) | |
3033 | { | |
9cad6237 | 3034 | I32 result = my_stat(); |
2a3ff820 | 3035 | dSP; |
a0d0e21e LW |
3036 | if (result < 0) |
3037 | RETPUSHUNDEF; | |
146174a9 | 3038 | if (PL_statcache.st_size == 0) |
a0d0e21e LW |
3039 | RETPUSHYES; |
3040 | RETPUSHNO; | |
3041 | } | |
3042 | ||
3043 | PP(pp_ftsize) | |
3044 | { | |
9cad6237 | 3045 | I32 result = my_stat(); |
2a3ff820 | 3046 | dSP; dTARGET; |
a0d0e21e LW |
3047 | if (result < 0) |
3048 | RETPUSHUNDEF; | |
146174a9 CB |
3049 | #if Off_t_size > IVSIZE |
3050 | PUSHn(PL_statcache.st_size); | |
3051 | #else | |
3280af22 | 3052 | PUSHi(PL_statcache.st_size); |
146174a9 | 3053 | #endif |
a0d0e21e LW |
3054 | RETURN; |
3055 | } | |
3056 | ||
3057 | PP(pp_ftmtime) | |
3058 | { | |
9cad6237 | 3059 | I32 result = my_stat(); |
2a3ff820 | 3060 | dSP; dTARGET; |
a0d0e21e LW |
3061 | if (result < 0) |
3062 | RETPUSHUNDEF; | |
c6419e06 | 3063 | PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 ); |
a0d0e21e LW |
3064 | RETURN; |
3065 | } | |
3066 | ||
3067 | PP(pp_ftatime) | |
3068 | { | |
9cad6237 | 3069 | I32 result = my_stat(); |
2a3ff820 | 3070 | dSP; dTARGET; |
a0d0e21e LW |
3071 | if (result < 0) |
3072 | RETPUSHUNDEF; | |
c6419e06 | 3073 | PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 ); |
a0d0e21e LW |
3074 | RETURN; |
3075 | } | |
3076 | ||
3077 | PP(pp_ftctime) | |
3078 | { | |
9cad6237 | 3079 | I32 result = my_stat(); |
2a3ff820 | 3080 | dSP; dTARGET; |
a0d0e21e LW |
3081 | if (result < 0) |
3082 | RETPUSHUNDEF; | |
c6419e06 | 3083 | PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 ); |
a0d0e21e LW |
3084 | RETURN; |
3085 | } | |
3086 | ||
3087 | PP(pp_ftsock) | |
3088 | { | |
9cad6237 | 3089 | I32 result = my_stat(); |
2a3ff820 | 3090 | dSP; |
a0d0e21e LW |
3091 | if (result < 0) |
3092 | RETPUSHUNDEF; | |
3280af22 | 3093 | if (S_ISSOCK(PL_statcache.st_mode)) |
a0d0e21e LW |
3094 | RETPUSHYES; |
3095 | RETPUSHNO; | |
3096 | } | |
3097 | ||
3098 | PP(pp_ftchr) | |
3099 | { | |
9cad6237 | 3100 | I32 result = my_stat(); |
2a3ff820 | 3101 | dSP; |
a0d0e21e LW |
3102 | if (result < 0) |
3103 | RETPUSHUNDEF; | |
3280af22 | 3104 | if (S_ISCHR(PL_statcache.st_mode)) |
a0d0e21e LW |
3105 | RETPUSHYES; |
3106 | RETPUSHNO; | |
3107 | } | |
3108 | ||
3109 | PP(pp_ftblk) | |
3110 | { | |
9cad6237 | 3111 | I32 result = my_stat(); |
2a3ff820 | 3112 | dSP; |
a0d0e21e LW |
3113 | if (result < 0) |
3114 | RETPUSHUNDEF; | |
3280af22 | 3115 | if (S_ISBLK(PL_statcache.st_mode)) |
a0d0e21e LW |
3116 | RETPUSHYES; |
3117 | RETPUSHNO; | |
3118 | } | |
3119 | ||
3120 | PP(pp_ftfile) | |
3121 | { | |
9cad6237 | 3122 | I32 result = my_stat(); |
2a3ff820 | 3123 | dSP; |
a0d0e21e LW |
3124 | if (result < 0) |
3125 | RETPUSHUNDEF; | |
3280af22 | 3126 | if (S_ISREG(PL_statcache.st_mode)) |
a0d0e21e LW |
3127 | RETPUSHYES; |
3128 | RETPUSHNO; | |
3129 | } | |
3130 | ||
3131 | PP(pp_ftdir) | |
3132 | { | |
9cad6237 | 3133 | I32 result = my_stat(); |
2a3ff820 | 3134 | dSP; |
a0d0e21e LW |
3135 | if (result < 0) |
3136 | RETPUSHUNDEF; | |
3280af22 | 3137 | if (S_ISDIR(PL_statcache.st_mode)) |
a0d0e21e LW |
3138 | RETPUSHYES; |
3139 | RETPUSHNO; | |
3140 | } | |
3141 | ||
3142 | PP(pp_ftpipe) | |
3143 | { | |
9cad6237 | 3144 | I32 result = my_stat(); |
2a3ff820 | 3145 | dSP; |
a0d0e21e LW |
3146 | if (result < 0) |
3147 | RETPUSHUNDEF; | |
3280af22 | 3148 | if (S_ISFIFO(PL_statcache.st_mode)) |
a0d0e21e LW |
3149 | RETPUSHYES; |
3150 | RETPUSHNO; | |
3151 | } | |
3152 | ||
3153 | PP(pp_ftlink) | |
3154 | { | |
9cad6237 | 3155 | I32 result = my_lstat(); |
2a3ff820 | 3156 | dSP; |
a0d0e21e LW |
3157 | if (result < 0) |
3158 | RETPUSHUNDEF; | |
3280af22 | 3159 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e LW |
3160 | RETPUSHYES; |
3161 | RETPUSHNO; | |
3162 | } | |
3163 | ||
3164 | PP(pp_ftsuid) | |
3165 | { | |
39644a26 | 3166 | dSP; |
a0d0e21e | 3167 | #ifdef S_ISUID |
cea2e8a9 | 3168 | I32 result = my_stat(); |
a0d0e21e LW |
3169 | SPAGAIN; |
3170 | if (result < 0) | |
3171 | RETPUSHUNDEF; | |
3280af22 | 3172 | if (PL_statcache.st_mode & S_ISUID) |
a0d0e21e LW |
3173 | RETPUSHYES; |
3174 | #endif | |
3175 | RETPUSHNO; | |
3176 | } | |
3177 | ||
3178 | PP(pp_ftsgid) | |
3179 | { | |
39644a26 | 3180 | dSP; |
a0d0e21e | 3181 | #ifdef S_ISGID |
cea2e8a9 | 3182 | I32 result = my_stat(); |
a0d0e21e LW |
3183 | SPAGAIN; |
3184 | if (result < 0) | |
3185 | RETPUSHUNDEF; | |
3280af22 | 3186 | if (PL_statcache.st_mode & S_ISGID) |
a0d0e21e LW |
3187 | RETPUSHYES; |
3188 | #endif | |
3189 | RETPUSHNO; | |
3190 | } | |
3191 | ||
3192 | PP(pp_ftsvtx) | |
3193 | { | |
39644a26 | 3194 | dSP; |
a0d0e21e | 3195 | #ifdef S_ISVTX |
cea2e8a9 | 3196 | I32 result = my_stat(); |
a0d0e21e LW |
3197 | SPAGAIN; |
3198 | if (result < 0) | |
3199 | RETPUSHUNDEF; | |
3280af22 | 3200 | if (PL_statcache.st_mode & S_ISVTX) |
a0d0e21e LW |
3201 | RETPUSHYES; |
3202 | #endif | |
3203 | RETPUSHNO; | |
3204 | } | |
3205 | ||
3206 | PP(pp_fttty) | |
3207 | { | |
39644a26 | 3208 | dSP; |
a0d0e21e LW |
3209 | int fd; |
3210 | GV *gv; | |
fb73857a | 3211 | char *tmps = Nullch; |
2d8e6c8d | 3212 | STRLEN n_a; |
fb73857a | 3213 | |
533c011a | 3214 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3215 | gv = cGVOP_gv; |
fb73857a | 3216 | else if (isGV(TOPs)) |
3217 | gv = (GV*)POPs; | |
3218 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3219 | gv = (GV*)SvRV(POPs); | |
a0d0e21e | 3220 | else |
2d8e6c8d | 3221 | gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO); |
fb73857a | 3222 | |
a0d0e21e | 3223 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3224 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
fb73857a | 3225 | else if (tmps && isDIGIT(*tmps)) |
a0d0e21e LW |
3226 | fd = atoi(tmps); |
3227 | else | |
3228 | RETPUSHUNDEF; | |
6ad3d225 | 3229 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3230 | RETPUSHYES; |
3231 | RETPUSHNO; | |
3232 | } | |
3233 | ||
16d20bd9 AD |
3234 | #if defined(atarist) /* this will work with atariST. Configure will |
3235 | make guesses for other systems. */ | |
3236 | # define FILE_base(f) ((f)->_base) | |
3237 | # define FILE_ptr(f) ((f)->_ptr) | |
3238 | # define FILE_cnt(f) ((f)->_cnt) | |
3239 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3240 | #endif |
3241 | ||
3242 | PP(pp_fttext) | |
3243 | { | |
39644a26 | 3244 | dSP; |
a0d0e21e LW |
3245 | I32 i; |
3246 | I32 len; | |
3247 | I32 odd = 0; | |
3248 | STDCHAR tbuf[512]; | |
3249 | register STDCHAR *s; | |
3250 | register IO *io; | |
5f05dabc | 3251 | register SV *sv; |
3252 | GV *gv; | |
2d8e6c8d | 3253 | STRLEN n_a; |
146174a9 | 3254 | PerlIO *fp; |
a0d0e21e | 3255 | |
533c011a | 3256 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3257 | gv = cGVOP_gv; |
5f05dabc | 3258 | else if (isGV(TOPs)) |
3259 | gv = (GV*)POPs; | |
3260 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3261 | gv = (GV*)SvRV(POPs); | |
3262 | else | |
3263 | gv = Nullgv; | |
3264 | ||
3265 | if (gv) { | |
a0d0e21e | 3266 | EXTEND(SP, 1); |
3280af22 NIS |
3267 | if (gv == PL_defgv) { |
3268 | if (PL_statgv) | |
3269 | io = GvIO(PL_statgv); | |
a0d0e21e | 3270 | else { |
3280af22 | 3271 | sv = PL_statname; |
a0d0e21e LW |
3272 | goto really_filename; |
3273 | } | |
3274 | } | |
3275 | else { | |
3280af22 NIS |
3276 | PL_statgv = gv; |
3277 | PL_laststatval = -1; | |
3278 | sv_setpv(PL_statname, ""); | |
3279 | io = GvIO(PL_statgv); | |
a0d0e21e LW |
3280 | } |
3281 | if (io && IoIFP(io)) { | |
5f05dabc | 3282 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3283 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3284 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3285 | if (PL_laststatval < 0) | |
5f05dabc | 3286 | RETPUSHUNDEF; |
9cbac4c7 | 3287 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3288 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3289 | RETPUSHNO; |
3290 | else | |
3291 | RETPUSHYES; | |
9cbac4c7 | 3292 | } |
a20bf0c3 | 3293 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3294 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3295 | if (i != EOF) |
760ac839 | 3296 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3297 | } |
a20bf0c3 | 3298 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3299 | RETPUSHYES; |
a20bf0c3 JH |
3300 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3301 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3302 | /* sfio can have large buffers - limit to 512 */ |
3303 | if (len > 512) | |
3304 | len = 512; | |
a0d0e21e LW |
3305 | } |
3306 | else { | |
2dd78f96 | 3307 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
146174a9 | 3308 | gv = cGVOP_gv; |
2dd78f96 | 3309 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); |
146174a9 | 3310 | } |
91487cfc | 3311 | SETERRNO(EBADF,RMS$_IFI); |
a0d0e21e LW |
3312 | RETPUSHUNDEF; |
3313 | } | |
3314 | } | |
3315 | else { | |
3316 | sv = POPs; | |
5f05dabc | 3317 | really_filename: |
3280af22 NIS |
3318 | PL_statgv = Nullgv; |
3319 | PL_laststatval = -1; | |
5c9aa243 | 3320 | PL_laststype = OP_STAT; |
2d8e6c8d | 3321 | sv_setpv(PL_statname, SvPV(sv, n_a)); |
146174a9 | 3322 | if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) { |
2d8e6c8d | 3323 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n')) |
cea2e8a9 | 3324 | Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open"); |
a0d0e21e LW |
3325 | RETPUSHUNDEF; |
3326 | } | |
146174a9 CB |
3327 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3328 | if (PL_laststatval < 0) { | |
3329 | (void)PerlIO_close(fp); | |
5f05dabc | 3330 | RETPUSHUNDEF; |
146174a9 | 3331 | } |
60382766 | 3332 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch); |
146174a9 CB |
3333 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3334 | (void)PerlIO_close(fp); | |
a0d0e21e | 3335 | if (len <= 0) { |
533c011a | 3336 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3337 | RETPUSHNO; /* special case NFS directories */ |
3338 | RETPUSHYES; /* null file is anything */ | |
3339 | } | |
3340 | s = tbuf; | |
3341 | } | |
3342 | ||
3343 | /* now scan s to look for textiness */ | |
4633a7c4 | 3344 | /* XXX ASCII dependent code */ |
a0d0e21e | 3345 | |
146174a9 CB |
3346 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3347 | /* ignore trailing ^Z on short files */ | |
3348 | if (len && len < sizeof(tbuf) && tbuf[len-1] == 26) | |
3349 | --len; | |
3350 | #endif | |
3351 | ||
a0d0e21e LW |
3352 | for (i = 0; i < len; i++, s++) { |
3353 | if (!*s) { /* null never allowed in text */ | |
3354 | odd += len; | |
3355 | break; | |
3356 | } | |
9d116dd7 | 3357 | #ifdef EBCDIC |
301e8125 | 3358 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3359 | odd++; |
3360 | #else | |
146174a9 CB |
3361 | else if (*s & 128) { |
3362 | #ifdef USE_LOCALE | |
2de3dbcc | 3363 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3364 | continue; |
3365 | #endif | |
3366 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3367 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3368 | int ulen = UTF8SKIP(s); |
3369 | if (ulen < len - i) { | |
3370 | int j; | |
3371 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3372 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3373 | goto not_utf8; |
3374 | } | |
3375 | --ulen; /* loop does extra increment */ | |
3376 | s += ulen; | |
3377 | i += ulen; | |
3378 | continue; | |
3379 | } | |
3380 | } | |
3381 | not_utf8: | |
3382 | odd++; | |
146174a9 | 3383 | } |
a0d0e21e LW |
3384 | else if (*s < 32 && |
3385 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3386 | *s != '\t' && *s != '\f' && *s != 27) | |
3387 | odd++; | |
9d116dd7 | 3388 | #endif |
a0d0e21e LW |
3389 | } |
3390 | ||
533c011a | 3391 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3392 | RETPUSHNO; |
3393 | else | |
3394 | RETPUSHYES; | |
3395 | } | |
3396 | ||
3397 | PP(pp_ftbinary) | |
3398 | { | |
cea2e8a9 | 3399 | return pp_fttext(); |
a0d0e21e LW |
3400 | } |
3401 | ||
3402 | /* File calls. */ | |
3403 | ||
3404 | PP(pp_chdir) | |
3405 | { | |
39644a26 | 3406 | dSP; dTARGET; |
a0d0e21e LW |
3407 | char *tmps; |
3408 | SV **svp; | |
2d8e6c8d | 3409 | STRLEN n_a; |
a0d0e21e | 3410 | |
35ae6b54 MS |
3411 | if( MAXARG == 1 ) |
3412 | tmps = POPpx; | |
3413 | else | |
3414 | tmps = 0; | |
3415 | ||
3416 | if( !tmps || !*tmps ) { | |
3417 | if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE)) | |
3418 | || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE)) | |
491527d0 | 3419 | #ifdef VMS |
35ae6b54 | 3420 | || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE)) |
491527d0 | 3421 | #endif |
35ae6b54 MS |
3422 | ) |
3423 | { | |
3424 | if( MAXARG == 1 ) | |
12bcd1a6 | 3425 | deprecate_old("chdir('') or chdir(undef) as chdir()"); |
35ae6b54 MS |
3426 | tmps = SvPV(*svp, n_a); |
3427 | } | |
72f496dc | 3428 | else { |
389ec635 | 3429 | PUSHi(0); |
b7ab37f8 | 3430 | TAINT_PROPER("chdir"); |
389ec635 MS |
3431 | RETURN; |
3432 | } | |
8ea155d1 | 3433 | } |
8ea155d1 | 3434 | |
a0d0e21e | 3435 | TAINT_PROPER("chdir"); |
6ad3d225 | 3436 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3437 | #ifdef VMS |
3438 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3439 | * in the future. */ | |
6b88bc9c | 3440 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3441 | #endif |
a0d0e21e LW |
3442 | RETURN; |
3443 | } | |
3444 | ||
3445 | PP(pp_chown) | |
3446 | { | |
a0d0e21e | 3447 | #ifdef HAS_CHOWN |
76ffd3b9 IZ |
3448 | dSP; dMARK; dTARGET; |
3449 | I32 value = (I32)apply(PL_op->op_type, MARK, SP); | |
3450 | ||
a0d0e21e LW |
3451 | SP = MARK; |
3452 | PUSHi(value); | |
3453 | RETURN; | |
3454 | #else | |
0322a713 | 3455 | DIE(aTHX_ PL_no_func, "chown"); |
a0d0e21e LW |
3456 | #endif |
3457 | } | |
3458 | ||
3459 | PP(pp_chroot) | |
3460 | { | |
a0d0e21e | 3461 | #ifdef HAS_CHROOT |
76ffd3b9 | 3462 | dSP; dTARGET; |
2d8e6c8d | 3463 | STRLEN n_a; |
d05c1ba0 | 3464 | char *tmps = POPpx; |
a0d0e21e LW |
3465 | TAINT_PROPER("chroot"); |
3466 | PUSHi( chroot(tmps) >= 0 ); | |
3467 | RETURN; | |
3468 | #else | |
cea2e8a9 | 3469 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3470 | #endif |
3471 | } | |
3472 | ||
3473 | PP(pp_unlink) | |
3474 | { | |
39644a26 | 3475 | dSP; dMARK; dTARGET; |
a0d0e21e | 3476 | I32 value; |
533c011a | 3477 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
3478 | SP = MARK; |
3479 | PUSHi(value); | |
3480 | RETURN; | |
3481 | } | |
3482 | ||
3483 | PP(pp_chmod) | |
3484 | { | |
39644a26 | 3485 | dSP; dMARK; dTARGET; |
a0d0e21e | 3486 | I32 value; |
533c011a | 3487 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
3488 | SP = MARK; |
3489 | PUSHi(value); | |
3490 | RETURN; | |
3491 | } | |
3492 | ||
3493 | PP(pp_utime) | |
3494 | { | |
39644a26 | 3495 | dSP; dMARK; dTARGET; |
a0d0e21e | 3496 | I32 value; |
533c011a | 3497 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
3498 | SP = MARK; |
3499 | PUSHi(value); | |
3500 | RETURN; | |
3501 | } | |
3502 | ||
3503 | PP(pp_rename) | |
3504 | { | |
39644a26 | 3505 | dSP; dTARGET; |
a0d0e21e | 3506 | int anum; |
2d8e6c8d | 3507 | STRLEN n_a; |
a0d0e21e | 3508 | |
2d8e6c8d GS |
3509 | char *tmps2 = POPpx; |
3510 | char *tmps = SvPV(TOPs, n_a); | |
a0d0e21e LW |
3511 | TAINT_PROPER("rename"); |
3512 | #ifdef HAS_RENAME | |
baed7233 | 3513 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3514 | #else |
6b88bc9c | 3515 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3516 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3517 | anum = 1; | |
3518 | else { | |
3654eb6c | 3519 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3520 | (void)UNLINK(tmps2); |
3521 | if (!(anum = link(tmps, tmps2))) | |
3522 | anum = UNLINK(tmps); | |
3523 | } | |
a0d0e21e LW |
3524 | } |
3525 | #endif | |
3526 | SETi( anum >= 0 ); | |
3527 | RETURN; | |
3528 | } | |
3529 | ||
3530 | PP(pp_link) | |
3531 | { | |
a0d0e21e | 3532 | #ifdef HAS_LINK |
370f6000 | 3533 | dSP; dTARGET; |
2d8e6c8d GS |
3534 | STRLEN n_a; |
3535 | char *tmps2 = POPpx; | |
3536 | char *tmps = SvPV(TOPs, n_a); | |
a0d0e21e | 3537 | TAINT_PROPER("link"); |
146174a9 | 3538 | SETi( PerlLIO_link(tmps, tmps2) >= 0 ); |
65850d11 | 3539 | RETURN; |
a0d0e21e | 3540 | #else |
0322a713 | 3541 | DIE(aTHX_ PL_no_func, "link"); |
a0d0e21e | 3542 | #endif |
a0d0e21e LW |
3543 | } |
3544 | ||
3545 | PP(pp_symlink) | |
3546 | { | |
a0d0e21e | 3547 | #ifdef HAS_SYMLINK |
9cad6237 | 3548 | dSP; dTARGET; |
2d8e6c8d GS |
3549 | STRLEN n_a; |
3550 | char *tmps2 = POPpx; | |
3551 | char *tmps = SvPV(TOPs, n_a); | |
a0d0e21e LW |
3552 | TAINT_PROPER("symlink"); |
3553 | SETi( symlink(tmps, tmps2) >= 0 ); | |
3554 | RETURN; | |
3555 | #else | |
cea2e8a9 | 3556 | DIE(aTHX_ PL_no_func, "symlink"); |
a0d0e21e LW |
3557 | #endif |
3558 | } | |
3559 | ||
3560 | PP(pp_readlink) | |
3561 | { | |
76ffd3b9 | 3562 | dSP; |
a0d0e21e | 3563 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3564 | dTARGET; |
a0d0e21e | 3565 | char *tmps; |
46fc3d4c | 3566 | char buf[MAXPATHLEN]; |
a0d0e21e | 3567 | int len; |
2d8e6c8d | 3568 | STRLEN n_a; |
46fc3d4c | 3569 | |
fb73857a | 3570 | #ifndef INCOMPLETE_TAINTS |
3571 | TAINT; | |
3572 | #endif | |
2d8e6c8d | 3573 | tmps = POPpx; |
97dcea33 | 3574 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3575 | EXTEND(SP, 1); |
3576 | if (len < 0) | |
3577 | RETPUSHUNDEF; | |
3578 | PUSHp(buf, len); | |
3579 | RETURN; | |
3580 | #else | |
3581 | EXTEND(SP, 1); | |
3582 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3583 | #endif | |
3584 | } | |
3585 | ||
3586 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3587 | STATIC int |
cea2e8a9 | 3588 | S_dooneliner(pTHX_ char *cmd, char *filename) |
a0d0e21e | 3589 | { |
1e422769 | 3590 | char *save_filename = filename; |
3591 | char *cmdline; | |
3592 | char *s; | |
760ac839 | 3593 | PerlIO *myfp; |
1e422769 | 3594 | int anum = 1; |
a0d0e21e | 3595 | |
1e422769 | 3596 | New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char); |
3597 | strcpy(cmdline, cmd); | |
3598 | strcat(cmdline, " "); | |
3599 | for (s = cmdline + strlen(cmdline); *filename; ) { | |
a0d0e21e LW |
3600 | *s++ = '\\'; |
3601 | *s++ = *filename++; | |
3602 | } | |
3603 | strcpy(s, " 2>&1"); | |
6ad3d225 | 3604 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3605 | Safefree(cmdline); |
3606 | ||
a0d0e21e | 3607 | if (myfp) { |
1e422769 | 3608 | SV *tmpsv = sv_newmortal(); |
6b88bc9c | 3609 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3610 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3611 | (void)PerlProc_pclose(myfp); |
a0d0e21e | 3612 | if (s != Nullch) { |
1e422769 | 3613 | int e; |
3614 | for (e = 1; | |
a0d0e21e | 3615 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3616 | e <= sys_nerr |
3617 | #endif | |
3618 | ; e++) | |
3619 | { | |
3620 | /* you don't see this */ | |
3621 | char *errmsg = | |
3622 | #ifdef HAS_SYS_ERRLIST | |
3623 | sys_errlist[e] | |
a0d0e21e | 3624 | #else |
1e422769 | 3625 | strerror(e) |
a0d0e21e | 3626 | #endif |
1e422769 | 3627 | ; |
3628 | if (!errmsg) | |
3629 | break; | |
3630 | if (instr(s, errmsg)) { | |
3631 | SETERRNO(e,0); | |
3632 | return 0; | |
3633 | } | |
a0d0e21e | 3634 | } |
748a9306 | 3635 | SETERRNO(0,0); |
a0d0e21e LW |
3636 | #ifndef EACCES |
3637 | #define EACCES EPERM | |
3638 | #endif | |
1e422769 | 3639 | if (instr(s, "cannot make")) |
748a9306 | 3640 | SETERRNO(EEXIST,RMS$_FEX); |
1e422769 | 3641 | else if (instr(s, "existing file")) |
748a9306 | 3642 | SETERRNO(EEXIST,RMS$_FEX); |
1e422769 | 3643 | else if (instr(s, "ile exists")) |
748a9306 | 3644 | SETERRNO(EEXIST,RMS$_FEX); |
1e422769 | 3645 | else if (instr(s, "non-exist")) |
748a9306 | 3646 | SETERRNO(ENOENT,RMS$_FNF); |
1e422769 | 3647 | else if (instr(s, "does not exist")) |
748a9306 | 3648 | SETERRNO(ENOENT,RMS$_FNF); |
1e422769 | 3649 | else if (instr(s, "not empty")) |
748a9306 | 3650 | SETERRNO(EBUSY,SS$_DEVOFFLINE); |
1e422769 | 3651 | else if (instr(s, "cannot access")) |
748a9306 | 3652 | SETERRNO(EACCES,RMS$_PRV); |
a0d0e21e | 3653 | else |
748a9306 | 3654 | SETERRNO(EPERM,RMS$_PRV); |
a0d0e21e LW |
3655 | return 0; |
3656 | } | |
3657 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3658 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3659 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3660 | anum = !anum; |
3661 | if (anum) | |
748a9306 | 3662 | SETERRNO(0,0); |
a0d0e21e | 3663 | else |
748a9306 | 3664 | SETERRNO(EACCES,RMS$_PRV); /* a guess */ |
a0d0e21e LW |
3665 | } |
3666 | return anum; | |
3667 | } | |
3668 | else | |
3669 | return 0; | |
3670 | } | |
3671 | #endif | |
3672 | ||
3673 | PP(pp_mkdir) | |
3674 | { | |
39644a26 | 3675 | dSP; dTARGET; |
5a211162 | 3676 | int mode; |
a0d0e21e LW |
3677 | #ifndef HAS_MKDIR |
3678 | int oldumask; | |
3679 | #endif | |
df25ddba | 3680 | STRLEN len; |
5a211162 | 3681 | char *tmps; |
df25ddba | 3682 | bool copy = FALSE; |
5a211162 GS |
3683 | |
3684 | if (MAXARG > 1) | |
3685 | mode = POPi; | |
3686 | else | |
3687 | mode = 0777; | |
3688 | ||
df25ddba JH |
3689 | tmps = SvPV(TOPs, len); |
3690 | /* Different operating and file systems take differently to | |
16ac3975 JH |
3691 | * trailing slashes. According to POSIX 1003.1 1996 Edition |
3692 | * any number of trailing slashes should be allowed. | |
3693 | * Thusly we snip them away so that even non-conforming | |
3694 | * systems are happy. */ | |
3695 | /* We should probably do this "filtering" for all | |
3696 | * the functions that expect (potentially) directory names: | |
3697 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3698 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3699 | if (len > 1 && tmps[len-1] == '/') { | |
3700 | while (tmps[len] == '/' && len > 1) | |
3701 | len--; | |
3702 | tmps = savepvn(tmps, len); | |
df25ddba JH |
3703 | copy = TRUE; |
3704 | } | |
a0d0e21e LW |
3705 | |
3706 | TAINT_PROPER("mkdir"); | |
3707 | #ifdef HAS_MKDIR | |
6ad3d225 | 3708 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e LW |
3709 | #else |
3710 | SETi( dooneliner("mkdir", tmps) ); | |
6ad3d225 GS |
3711 | oldumask = PerlLIO_umask(0); |
3712 | PerlLIO_umask(oldumask); | |
3713 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
a0d0e21e | 3714 | #endif |
df25ddba JH |
3715 | if (copy) |
3716 | Safefree(tmps); | |
a0d0e21e LW |
3717 | RETURN; |
3718 | } | |
3719 | ||
3720 | PP(pp_rmdir) | |
3721 | { | |
39644a26 | 3722 | dSP; dTARGET; |
a0d0e21e | 3723 | char *tmps; |
2d8e6c8d | 3724 | STRLEN n_a; |
a0d0e21e | 3725 | |
2d8e6c8d | 3726 | tmps = POPpx; |
a0d0e21e LW |
3727 | TAINT_PROPER("rmdir"); |
3728 | #ifdef HAS_RMDIR | |
6ad3d225 | 3729 | XPUSHi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e LW |
3730 | #else |
3731 | XPUSHi( dooneliner("rmdir", tmps) ); | |
3732 | #endif | |
3733 | RETURN; | |
3734 | } | |
3735 | ||
3736 | /* Directory calls. */ | |
3737 | ||
3738 | PP(pp_open_dir) | |
3739 | { | |
a0d0e21e | 3740 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3741 | dSP; |
2d8e6c8d GS |
3742 | STRLEN n_a; |
3743 | char *dirname = POPpx; | |
a0d0e21e LW |
3744 | GV *gv = (GV*)POPs; |
3745 | register IO *io = GvIOn(gv); | |
3746 | ||
3747 | if (!io) | |
3748 | goto nope; | |
3749 | ||
3750 | if (IoDIRP(io)) | |
6ad3d225 GS |
3751 | PerlDir_close(IoDIRP(io)); |
3752 | if (!(IoDIRP(io) = PerlDir_open(dirname))) | |
a0d0e21e LW |
3753 | goto nope; |
3754 | ||
3755 | RETPUSHYES; | |
3756 | nope: | |
3757 | if (!errno) | |
91487cfc | 3758 | SETERRNO(EBADF,RMS$_DIR); |
a0d0e21e LW |
3759 | RETPUSHUNDEF; |
3760 | #else | |
cea2e8a9 | 3761 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3762 | #endif |
3763 | } | |
3764 | ||
3765 | PP(pp_readdir) | |
3766 | { | |
a0d0e21e | 3767 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3768 | dSP; |
fd8cd3a3 | 3769 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3770 | Direntry_t *readdir (DIR *); |
a0d0e21e LW |
3771 | #endif |
3772 | register Direntry_t *dp; | |
3773 | GV *gv = (GV*)POPs; | |
3774 | register IO *io = GvIOn(gv); | |
fb73857a | 3775 | SV *sv; |
a0d0e21e LW |
3776 | |
3777 | if (!io || !IoDIRP(io)) | |
3778 | goto nope; | |
3779 | ||
3780 | if (GIMME == G_ARRAY) { | |
3781 | /*SUPPRESS 560*/ | |
155aba94 | 3782 | while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) { |
a0d0e21e | 3783 | #ifdef DIRNAMLEN |
79cb57f6 | 3784 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3785 | #else |
fb73857a | 3786 | sv = newSVpv(dp->d_name, 0); |
3787 | #endif | |
3788 | #ifndef INCOMPLETE_TAINTS | |
26fb8f1f GS |
3789 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3790 | SvTAINTED_on(sv); | |
a0d0e21e | 3791 | #endif |
fb73857a | 3792 | XPUSHs(sv_2mortal(sv)); |
a0d0e21e LW |
3793 | } |
3794 | } | |
3795 | else { | |
6ad3d225 | 3796 | if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) |
a0d0e21e LW |
3797 | goto nope; |
3798 | #ifdef DIRNAMLEN | |
79cb57f6 | 3799 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3800 | #else |
fb73857a | 3801 | sv = newSVpv(dp->d_name, 0); |
a0d0e21e | 3802 | #endif |
fb73857a | 3803 | #ifndef INCOMPLETE_TAINTS |
26fb8f1f GS |
3804 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3805 | SvTAINTED_on(sv); | |
fb73857a | 3806 | #endif |
3807 | XPUSHs(sv_2mortal(sv)); | |
a0d0e21e LW |
3808 | } |
3809 | RETURN; | |
3810 | ||
3811 | nope: | |
3812 | if (!errno) | |
91487cfc | 3813 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3814 | if (GIMME == G_ARRAY) |
3815 | RETURN; | |
3816 | else | |
3817 | RETPUSHUNDEF; | |
3818 | #else | |
cea2e8a9 | 3819 | DIE(aTHX_ PL_no_dir_func, "readdir"); |
a0d0e21e LW |
3820 | #endif |
3821 | } | |
3822 | ||
3823 | PP(pp_telldir) | |
3824 | { | |
a0d0e21e | 3825 | #if defined(HAS_TELLDIR) || defined(telldir) |
9cad6237 | 3826 | dSP; dTARGET; |
968dcd91 JH |
3827 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3828 | /* XXX netbsd still seemed to. | |
3829 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3830 | --JHI 1999-Feb-02 */ | |
3831 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3832 | long telldir (DIR *); |
dfe9444c | 3833 | # endif |
a0d0e21e LW |
3834 | GV *gv = (GV*)POPs; |
3835 | register IO *io = GvIOn(gv); | |
3836 | ||
3837 | if (!io || !IoDIRP(io)) | |
3838 | goto nope; | |
3839 | ||
6ad3d225 | 3840 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3841 | RETURN; |
3842 | nope: | |
3843 | if (!errno) | |
91487cfc | 3844 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3845 | RETPUSHUNDEF; |
3846 | #else | |
cea2e8a9 | 3847 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3848 | #endif |
3849 | } | |
3850 | ||
3851 | PP(pp_seekdir) | |
3852 | { | |
a0d0e21e | 3853 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
9cad6237 | 3854 | dSP; |
a0d0e21e LW |
3855 | long along = POPl; |
3856 | GV *gv = (GV*)POPs; | |
3857 | register IO *io = GvIOn(gv); | |
3858 | ||
3859 | if (!io || !IoDIRP(io)) | |
3860 | goto nope; | |
3861 | ||
6ad3d225 | 3862 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3863 | |
3864 | RETPUSHYES; | |
3865 | nope: | |
3866 | if (!errno) | |
91487cfc | 3867 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3868 | RETPUSHUNDEF; |
3869 | #else | |
cea2e8a9 | 3870 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3871 | #endif |
3872 | } | |
3873 | ||
3874 | PP(pp_rewinddir) | |
3875 | { | |
a0d0e21e | 3876 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
9cad6237 | 3877 | dSP; |
a0d0e21e LW |
3878 | GV *gv = (GV*)POPs; |
3879 | register IO *io = GvIOn(gv); | |
3880 | ||
3881 | if (!io || !IoDIRP(io)) | |
3882 | goto nope; | |
3883 | ||
6ad3d225 | 3884 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3885 | RETPUSHYES; |
3886 | nope: | |
3887 | if (!errno) | |
91487cfc | 3888 | SETERRNO(EBADF,RMS$_ISI); |
a0d0e21e LW |
3889 | RETPUSHUNDEF; |
3890 | #else | |
cea2e8a9 | 3891 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3892 | #endif |
3893 | } | |
3894 | ||
3895 | PP(pp_closedir) | |
3896 | { | |
a0d0e21e | 3897 | #if defined(Direntry_t) && defined(HAS_READDIR) |
9cad6237 | 3898 | dSP; |
a0d0e21e LW |
3899 | GV *gv = (GV*)POPs; |
3900 | register IO *io = GvIOn(gv); | |
3901 | ||
3902 | if (!io || !IoDIRP(io)) | |
3903 | goto nope; | |
3904 | ||
3905 | #ifdef VOID_CLOSEDIR | |
6ad3d225 | 3906 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3907 | #else |
6ad3d225 | 3908 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3909 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3910 | goto nope; |
748a9306 | 3911 | } |
a0d0e21e LW |
3912 | #endif |
3913 | IoDIRP(io) = 0; | |
3914 | ||
3915 | RETPUSHYES; | |
3916 | nope: | |
3917 | if (!errno) | |
91487cfc | 3918 | SETERRNO(EBADF,RMS$_IFI); |
a0d0e21e LW |
3919 | RETPUSHUNDEF; |
3920 | #else | |
cea2e8a9 | 3921 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
3922 | #endif |
3923 | } | |
3924 | ||
3925 | /* Process control. */ | |
3926 | ||
3927 | PP(pp_fork) | |
3928 | { | |
44a8e56a | 3929 | #ifdef HAS_FORK |
39644a26 | 3930 | dSP; dTARGET; |
761237fe | 3931 | Pid_t childpid; |
a0d0e21e LW |
3932 | GV *tmpgv; |
3933 | ||
3934 | EXTEND(SP, 1); | |
45bc9206 | 3935 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 3936 | childpid = PerlProc_fork(); |
a0d0e21e LW |
3937 | if (childpid < 0) |
3938 | RETSETUNDEF; | |
3939 | if (!childpid) { | |
3940 | /*SUPPRESS 560*/ | |
306196c3 MS |
3941 | if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) { |
3942 | SvREADONLY_off(GvSV(tmpgv)); | |
146174a9 | 3943 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3944 | SvREADONLY_on(GvSV(tmpgv)); |
3945 | } | |
3280af22 | 3946 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
a0d0e21e LW |
3947 | } |
3948 | PUSHi(childpid); | |
3949 | RETURN; | |
3950 | #else | |
146174a9 | 3951 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 3952 | dSP; dTARGET; |
146174a9 CB |
3953 | Pid_t childpid; |
3954 | ||
3955 | EXTEND(SP, 1); | |
3956 | PERL_FLUSHALL_FOR_CHILD; | |
3957 | childpid = PerlProc_fork(); | |
60fa28ff GS |
3958 | if (childpid == -1) |
3959 | RETSETUNDEF; | |
146174a9 CB |
3960 | PUSHi(childpid); |
3961 | RETURN; | |
3962 | # else | |
0322a713 | 3963 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 3964 | # endif |
a0d0e21e LW |
3965 | #endif |
3966 | } | |
3967 | ||
3968 | PP(pp_wait) | |
3969 | { | |
301e8125 | 3970 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3971 | dSP; dTARGET; |
761237fe | 3972 | Pid_t childpid; |
a0d0e21e | 3973 | int argflags; |
a0d0e21e | 3974 | |
0a0ada86 | 3975 | #ifdef PERL_OLD_SIGNALS |
44a8e56a | 3976 | childpid = wait4pid(-1, &argflags, 0); |
0a0ada86 NIS |
3977 | #else |
3978 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && errno == EINTR) { | |
3979 | PERL_ASYNC_CHECK(); | |
3980 | } | |
3981 | #endif | |
68a29c53 GS |
3982 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3983 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
3984 | STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1); | |
3985 | # else | |
f86702cc | 3986 | STATUS_NATIVE_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 3987 | # endif |
44a8e56a | 3988 | XPUSHi(childpid); |
a0d0e21e LW |
3989 | RETURN; |
3990 | #else | |
0322a713 | 3991 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
3992 | #endif |
3993 | } | |
3994 | ||
3995 | PP(pp_waitpid) | |
3996 | { | |
301e8125 | 3997 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
39644a26 | 3998 | dSP; dTARGET; |
761237fe | 3999 | Pid_t childpid; |
a0d0e21e LW |
4000 | int optype; |
4001 | int argflags; | |
a0d0e21e | 4002 | |
a0d0e21e LW |
4003 | optype = POPi; |
4004 | childpid = TOPi; | |
0a0ada86 | 4005 | #ifdef PERL_OLD_SIGNALS |
a0d0e21e | 4006 | childpid = wait4pid(childpid, &argflags, optype); |
0a0ada86 NIS |
4007 | #else |
4008 | while ((childpid = wait4pid(childpid, &argflags, optype)) == -1 && errno == EINTR) { | |
4009 | PERL_ASYNC_CHECK(); | |
4010 | } | |
4011 | #endif | |
68a29c53 GS |
4012 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4013 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
4014 | STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1); | |
4015 | # else | |
f86702cc | 4016 | STATUS_NATIVE_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 4017 | # endif |
44a8e56a | 4018 | SETi(childpid); |
a0d0e21e LW |
4019 | RETURN; |
4020 | #else | |
0322a713 | 4021 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
4022 | #endif |
4023 | } | |
4024 | ||
4025 | PP(pp_system) | |
4026 | { | |
39644a26 | 4027 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4028 | I32 value; |
2d8e6c8d | 4029 | STRLEN n_a; |
76ffd3b9 | 4030 | int result; |
e7766f89 JH |
4031 | int pp[2]; |
4032 | I32 did_pipes = 0; | |
a0d0e21e | 4033 | |
bbd7eb8a RD |
4034 | if (PL_tainting) { |
4035 | TAINT_ENV(); | |
4036 | while (++MARK <= SP) { | |
4037 | (void)SvPV_nolen(*MARK); /* stringify for taint check */ | |
4038 | if (PL_tainted) | |
4039 | break; | |
4040 | } | |
4041 | MARK = ORIGMARK; | |
4042 | /* XXX Remove warning at end of deprecation cycle --RD 2002-02 */ | |
4043 | if (SP - MARK == 1) { | |
a0d0e21e LW |
4044 | TAINT_PROPER("system"); |
4045 | } | |
12bcd1a6 PM |
4046 | else if (ckWARN2(WARN_TAINT, WARN_DEPRECATED)) { |
4047 | Perl_warner(aTHX_ packWARN2(WARN_TAINT, WARN_DEPRECATED), | |
bbd7eb8a RD |
4048 | "Use of tainted arguments in %s is deprecated", "system"); |
4049 | } | |
a0d0e21e | 4050 | } |
45bc9206 | 4051 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 4052 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 JH |
4053 | { |
4054 | Pid_t childpid; | |
4055 | int status; | |
4056 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
52a55424 | 4057 | |
d7e492a4 JH |
4058 | if (PerlProc_pipe(pp) >= 0) |
4059 | did_pipes = 1; | |
52e18b1f | 4060 | while ((childpid = PerlProc_fork()) == -1) { |
d7e492a4 JH |
4061 | if (errno != EAGAIN) { |
4062 | value = -1; | |
4063 | SP = ORIGMARK; | |
4064 | PUSHi(value); | |
4065 | if (did_pipes) { | |
4066 | PerlLIO_close(pp[0]); | |
4067 | PerlLIO_close(pp[1]); | |
4068 | } | |
4069 | RETURN; | |
4070 | } | |
4071 | sleep(5); | |
4072 | } | |
4073 | if (childpid > 0) { | |
4074 | if (did_pipes) | |
4075 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4076 | #ifndef PERL_MICRO |
d7e492a4 JH |
4077 | rsignal_save(SIGINT, SIG_IGN, &ihand); |
4078 | rsignal_save(SIGQUIT, SIG_IGN, &qhand); | |
64ca3a65 | 4079 | #endif |
d7e492a4 JH |
4080 | do { |
4081 | result = wait4pid(childpid, &status, 0); | |
4082 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4083 | #ifndef PERL_MICRO |
d7e492a4 JH |
4084 | (void)rsignal_restore(SIGINT, &ihand); |
4085 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4086 | #endif | |
4087 | STATUS_NATIVE_SET(result == -1 ? -1 : status); | |
52e18b1f | 4088 | do_execfree(); /* free any memory child malloced on fork */ |
d7e492a4 JH |
4089 | SP = ORIGMARK; |
4090 | if (did_pipes) { | |
4091 | int errkid; | |
4092 | int n = 0, n1; | |
72f496dc | 4093 | |
d7e492a4 JH |
4094 | while (n < sizeof(int)) { |
4095 | n1 = PerlLIO_read(pp[0], | |
4096 | (void*)(((char*)&errkid)+n), | |
4097 | (sizeof(int)) - n); | |
4098 | if (n1 <= 0) | |
4099 | break; | |
4100 | n += n1; | |
4101 | } | |
4102 | PerlLIO_close(pp[0]); | |
4103 | if (n) { /* Error */ | |
4104 | if (n != sizeof(int)) | |
4105 | DIE(aTHX_ "panic: kid popen errno read"); | |
4106 | errno = errkid; /* Propagate errno from kid */ | |
4107 | STATUS_CURRENT = -1; | |
4108 | } | |
4109 | } | |
4110 | PUSHi(STATUS_CURRENT); | |
4111 | RETURN; | |
4112 | } | |
4113 | if (did_pipes) { | |
4114 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4115 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
d7e492a4 | 4116 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4117 | #endif |
d7e492a4 | 4118 | } |
d5a9bfb0 | 4119 | } |
533c011a | 4120 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 4121 | SV *really = *++MARK; |
d5a9bfb0 | 4122 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
a0d0e21e LW |
4123 | } |
4124 | else if (SP - MARK != 1) | |
d5a9bfb0 | 4125 | value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes); |
a0d0e21e | 4126 | else { |
d5a9bfb0 | 4127 | value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes); |
a0d0e21e | 4128 | } |
6ad3d225 | 4129 | PerlProc__exit(-1); |
c3293030 | 4130 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4131 | PL_statusvalue = 0; |
4132 | result = 0; | |
911d147d | 4133 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e | 4134 | SV *really = *++MARK; |
c5be433b | 4135 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
a0d0e21e LW |
4136 | } |
4137 | else if (SP - MARK != 1) | |
c5be433b | 4138 | value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP); |
a0d0e21e | 4139 | else { |
c5be433b | 4140 | value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a)); |
a0d0e21e | 4141 | } |
922b1888 GS |
4142 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4143 | result = 1; | |
f86702cc | 4144 | STATUS_NATIVE_SET(value); |
a0d0e21e LW |
4145 | do_execfree(); |
4146 | SP = ORIGMARK; | |
922b1888 | 4147 | PUSHi(result ? value : STATUS_CURRENT); |
a0d0e21e LW |
4148 | #endif /* !FORK or VMS */ |
4149 | RETURN; | |
4150 | } | |
4151 | ||
4152 | PP(pp_exec) | |
4153 | { | |
39644a26 | 4154 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 4155 | I32 value; |
2d8e6c8d | 4156 | STRLEN n_a; |
a0d0e21e | 4157 | |
bbd7eb8a RD |
4158 | if (PL_tainting) { |
4159 | TAINT_ENV(); | |
4160 | while (++MARK <= SP) { | |
4161 | (void)SvPV_nolen(*MARK); /* stringify for taint check */ | |
4162 | if (PL_tainted) | |
4163 | break; | |
4164 | } | |
4165 | MARK = ORIGMARK; | |
4166 | /* XXX Remove warning at end of deprecation cycle --RD 2002-02 */ | |
4167 | if (SP - MARK == 1) { | |
4168 | TAINT_PROPER("exec"); | |
4169 | } | |
12bcd1a6 PM |
4170 | else if (ckWARN2(WARN_TAINT, WARN_DEPRECATED)) { |
4171 | Perl_warner(aTHX_ packWARN2(WARN_TAINT, WARN_DEPRECATED), | |
bbd7eb8a RD |
4172 | "Use of tainted arguments in %s is deprecated", "exec"); |
4173 | } | |
4174 | } | |
45bc9206 | 4175 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4176 | if (PL_op->op_flags & OPf_STACKED) { |
a0d0e21e LW |
4177 | SV *really = *++MARK; |
4178 | value = (I32)do_aexec(really, MARK, SP); | |
4179 | } | |
4180 | else if (SP - MARK != 1) | |
4181 | #ifdef VMS | |
4182 | value = (I32)vms_do_aexec(Nullsv, MARK, SP); | |
4183 | #else | |
092bebab JH |
4184 | # ifdef __OPEN_VM |
4185 | { | |
c5be433b | 4186 | (void ) do_aspawn(Nullsv, MARK, SP); |
092bebab JH |
4187 | value = 0; |
4188 | } | |
4189 | # else | |
a0d0e21e | 4190 | value = (I32)do_aexec(Nullsv, MARK, SP); |
092bebab | 4191 | # endif |
a0d0e21e LW |
4192 | #endif |
4193 | else { | |
a0d0e21e | 4194 | #ifdef VMS |
2d8e6c8d | 4195 | value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a)); |
a0d0e21e | 4196 | #else |
092bebab | 4197 | # ifdef __OPEN_VM |
c5be433b | 4198 | (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a)); |
092bebab JH |
4199 | value = 0; |
4200 | # else | |
2d8e6c8d | 4201 | value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a)); |
092bebab | 4202 | # endif |
a0d0e21e LW |
4203 | #endif |
4204 | } | |
146174a9 | 4205 | |
a0d0e21e LW |
4206 | SP = ORIGMARK; |
4207 | PUSHi(value); | |
4208 | RETURN; | |
4209 | } | |
4210 | ||
4211 | PP(pp_kill) | |
4212 | { | |
9cad6237 | 4213 | #ifdef HAS_KILL |
39644a26 | 4214 | dSP; dMARK; dTARGET; |
a0d0e21e | 4215 | I32 value; |
533c011a | 4216 | value = (I32)apply(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4217 | SP = MARK; |
4218 | PUSHi(value); | |
4219 | RETURN; | |
4220 | #else | |
0322a713 | 4221 | DIE(aTHX_ PL_no_func, "kill"); |
a0d0e21e LW |
4222 | #endif |
4223 | } | |
4224 | ||
4225 | PP(pp_getppid) | |
4226 | { | |
4227 | #ifdef HAS_GETPPID | |
39644a26 | 4228 | dSP; dTARGET; |
a0d0e21e LW |
4229 | XPUSHi( getppid() ); |
4230 | RETURN; | |
4231 | #else | |
cea2e8a9 | 4232 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4233 | #endif |
4234 | } | |
4235 | ||
4236 | PP(pp_getpgrp) | |
4237 | { | |
4238 | #ifdef HAS_GETPGRP | |
39644a26 | 4239 | dSP; dTARGET; |
d8a83dd3 | 4240 | Pid_t pid; |
9853a804 | 4241 | Pid_t pgrp; |
a0d0e21e LW |
4242 | |
4243 | if (MAXARG < 1) | |
4244 | pid = 0; | |
4245 | else | |
4246 | pid = SvIVx(POPs); | |
c3293030 | 4247 | #ifdef BSD_GETPGRP |
9853a804 | 4248 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4249 | #else |
146174a9 | 4250 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4251 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4252 | pgrp = getpgrp(); |
a0d0e21e | 4253 | #endif |
9853a804 | 4254 | XPUSHi(pgrp); |
a0d0e21e LW |
4255 | RETURN; |
4256 | #else | |
cea2e8a9 | 4257 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4258 | #endif |
4259 | } | |
4260 | ||
4261 | PP(pp_setpgrp) | |
4262 | { | |
4263 | #ifdef HAS_SETPGRP | |
39644a26 | 4264 | dSP; dTARGET; |
d8a83dd3 JH |
4265 | Pid_t pgrp; |
4266 | Pid_t pid; | |
a0d0e21e LW |
4267 | if (MAXARG < 2) { |
4268 | pgrp = 0; | |
4269 | pid = 0; | |
4270 | } | |
4271 | else { | |
4272 | pgrp = POPi; | |
4273 | pid = TOPi; | |
4274 | } | |
4275 | ||
4276 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4277 | #ifdef BSD_SETPGRP |
4278 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4279 | #else |
146174a9 CB |
4280 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4281 | || (pid != 0 && pid != PerlProc_getpid())) | |
4282 | { | |
4283 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4284 | } | |
a0d0e21e LW |
4285 | SETi( setpgrp() >= 0 ); |
4286 | #endif /* USE_BSDPGRP */ | |
4287 | RETURN; | |
4288 | #else | |
cea2e8a9 | 4289 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4290 | #endif |
4291 | } | |
4292 | ||
4293 | PP(pp_getpriority) | |
4294 | { | |
a0d0e21e | 4295 | #ifdef HAS_GETPRIORITY |
9cad6237 | 4296 | dSP; dTARGET; |
d05c1ba0 JH |
4297 | int who = POPi; |
4298 | int which = TOPi; | |
a0d0e21e LW |
4299 | SETi( getpriority(which, who) ); |
4300 | RETURN; | |
4301 | #else | |
cea2e8a9 | 4302 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4303 | #endif |
4304 | } | |
4305 | ||
4306 | PP(pp_setpriority) | |
4307 | { | |
a0d0e21e | 4308 | #ifdef HAS_SETPRIORITY |
9cad6237 | 4309 | dSP; dTARGET; |
d05c1ba0 JH |
4310 | int niceval = POPi; |
4311 | int who = POPi; | |
4312 | int which = TOPi; | |
a0d0e21e LW |
4313 | TAINT_PROPER("setpriority"); |
4314 | SETi( setpriority(which, who, niceval) >= 0 ); | |
4315 | RETURN; | |
4316 | #else | |
cea2e8a9 | 4317 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4318 | #endif |
4319 | } | |
4320 | ||
4321 | /* Time calls. */ | |
4322 | ||
4323 | PP(pp_time) | |
4324 | { | |
39644a26 | 4325 | dSP; dTARGET; |
cbdc8872 | 4326 | #ifdef BIG_TIME |
4327 | XPUSHn( time(Null(Time_t*)) ); | |
4328 | #else | |
a0d0e21e | 4329 | XPUSHi( time(Null(Time_t*)) ); |
cbdc8872 | 4330 | #endif |
a0d0e21e LW |
4331 | RETURN; |
4332 | } | |
4333 | ||
cd52b7b2 | 4334 | /* XXX The POSIX name is CLK_TCK; it is to be preferred |
4335 | to HZ. Probably. For now, assume that if the system | |
4336 | defines HZ, it does so correctly. (Will this break | |
4337 | on VMS?) | |
4338 | Probably we ought to use _sysconf(_SC_CLK_TCK), if | |
4339 | it's supported. --AD 9/96. | |
4340 | */ | |
4341 | ||
9bc87460 JH |
4342 | #ifdef __BEOS__ |
4343 | # define HZ 1000000 | |
4344 | #endif | |
4345 | ||
a0d0e21e | 4346 | #ifndef HZ |
cd52b7b2 | 4347 | # ifdef CLK_TCK |
4348 | # define HZ CLK_TCK | |
4349 | # else | |
4350 | # define HZ 60 | |
4351 | # endif | |
a0d0e21e LW |
4352 | #endif |
4353 | ||
4354 | PP(pp_tms) | |
4355 | { | |
9cad6237 | 4356 | #ifdef HAS_TIMES |
39644a26 | 4357 | dSP; |
a0d0e21e | 4358 | EXTEND(SP, 4); |
a0d0e21e | 4359 | #ifndef VMS |
3280af22 | 4360 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4361 | #else |
6b88bc9c | 4362 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4363 | /* struct tms, though same data */ |
4364 | /* is returned. */ | |
a0d0e21e LW |
4365 | #endif |
4366 | ||
65202027 | 4367 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ))); |
a0d0e21e | 4368 | if (GIMME == G_ARRAY) { |
65202027 DS |
4369 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ))); |
4370 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ))); | |
4371 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ))); | |
a0d0e21e LW |
4372 | } |
4373 | RETURN; | |
9cad6237 JH |
4374 | #else |
4375 | DIE(aTHX_ "times not implemented"); | |
55497cff | 4376 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4377 | } |
4378 | ||
4379 | PP(pp_localtime) | |
4380 | { | |
cea2e8a9 | 4381 | return pp_gmtime(); |
a0d0e21e LW |
4382 | } |
4383 | ||
4384 | PP(pp_gmtime) | |
4385 | { | |
39644a26 | 4386 | dSP; |
a0d0e21e LW |
4387 | Time_t when; |
4388 | struct tm *tmbuf; | |
4389 | static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4390 | static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4391 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
4392 | ||
4393 | if (MAXARG < 1) | |
4394 | (void)time(&when); | |
4395 | else | |
cbdc8872 | 4396 | #ifdef BIG_TIME |
4397 | when = (Time_t)SvNVx(POPs); | |
4398 | #else | |
a0d0e21e | 4399 | when = (Time_t)SvIVx(POPs); |
cbdc8872 | 4400 | #endif |
a0d0e21e | 4401 | |
533c011a | 4402 | if (PL_op->op_type == OP_LOCALTIME) |
a0d0e21e LW |
4403 | tmbuf = localtime(&when); |
4404 | else | |
4405 | tmbuf = gmtime(&when); | |
4406 | ||
a0d0e21e | 4407 | if (GIMME != G_ARRAY) { |
46fc3d4c | 4408 | SV *tsv; |
9a5ff6d9 AB |
4409 | EXTEND(SP, 1); |
4410 | EXTEND_MORTAL(1); | |
a0d0e21e LW |
4411 | if (!tmbuf) |
4412 | RETPUSHUNDEF; | |
be28567c | 4413 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", |
f5a29b03 RB |
4414 | dayname[tmbuf->tm_wday], |
4415 | monname[tmbuf->tm_mon], | |
be28567c GS |
4416 | tmbuf->tm_mday, |
4417 | tmbuf->tm_hour, | |
4418 | tmbuf->tm_min, | |
4419 | tmbuf->tm_sec, | |
4420 | tmbuf->tm_year + 1900); | |
46fc3d4c | 4421 | PUSHs(sv_2mortal(tsv)); |
a0d0e21e LW |
4422 | } |
4423 | else if (tmbuf) { | |
9a5ff6d9 AB |
4424 | EXTEND(SP, 9); |
4425 | EXTEND_MORTAL(9); | |
4426 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); | |
c6419e06 JH |
4427 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); |
4428 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); | |
4429 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); | |
4430 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); | |
4431 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); | |
4432 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); | |
4433 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); | |
4434 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); | |
a0d0e21e LW |
4435 | } |
4436 | RETURN; | |
4437 | } | |
4438 | ||
4439 | PP(pp_alarm) | |
4440 | { | |
9cad6237 | 4441 | #ifdef HAS_ALARM |
39644a26 | 4442 | dSP; dTARGET; |
a0d0e21e | 4443 | int anum; |
a0d0e21e LW |
4444 | anum = POPi; |
4445 | anum = alarm((unsigned int)anum); | |
4446 | EXTEND(SP, 1); | |
4447 | if (anum < 0) | |
4448 | RETPUSHUNDEF; | |
c6419e06 | 4449 | PUSHi(anum); |
a0d0e21e LW |
4450 | RETURN; |
4451 | #else | |
0322a713 | 4452 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4453 | #endif |
4454 | } | |
4455 | ||
4456 | PP(pp_sleep) | |
4457 | { | |
39644a26 | 4458 | dSP; dTARGET; |
a0d0e21e LW |
4459 | I32 duration; |
4460 | Time_t lasttime; | |
4461 | Time_t when; | |
4462 | ||
4463 | (void)time(&lasttime); | |
4464 | if (MAXARG < 1) | |
76e3520e | 4465 | PerlProc_pause(); |
a0d0e21e LW |
4466 | else { |
4467 | duration = POPi; | |
76e3520e | 4468 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4469 | } |
4470 | (void)time(&when); | |
4471 | XPUSHi(when - lasttime); | |
4472 | RETURN; | |
4473 | } | |
4474 | ||
4475 | /* Shared memory. */ | |
4476 | ||
4477 | PP(pp_shmget) | |
4478 | { | |
cea2e8a9 | 4479 | return pp_semget(); |
a0d0e21e LW |
4480 | } |
4481 | ||
4482 | PP(pp_shmctl) | |
4483 | { | |
cea2e8a9 | 4484 | return pp_semctl(); |
a0d0e21e LW |
4485 | } |
4486 | ||
4487 | PP(pp_shmread) | |
4488 | { | |
cea2e8a9 | 4489 | return pp_shmwrite(); |
a0d0e21e LW |
4490 | } |
4491 | ||
4492 | PP(pp_shmwrite) | |
4493 | { | |
4494 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4495 | dSP; dMARK; dTARGET; |
533c011a | 4496 | I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0); |
a0d0e21e LW |
4497 | SP = MARK; |
4498 | PUSHi(value); | |
4499 | RETURN; | |
4500 | #else | |
cea2e8a9 | 4501 | return pp_semget(); |
a0d0e21e LW |
4502 | #endif |
4503 | } | |
4504 | ||
4505 | /* Message passing. */ | |
4506 | ||
4507 | PP(pp_msgget) | |
4508 | { | |
cea2e8a9 | 4509 | return pp_semget(); |
a0d0e21e LW |
4510 | } |
4511 | ||
4512 | PP(pp_msgctl) | |
4513 | { | |
cea2e8a9 | 4514 | return pp_semctl(); |
a0d0e21e LW |
4515 | } |
4516 | ||
4517 | PP(pp_msgsnd) | |
4518 | { | |
4519 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4520 | dSP; dMARK; dTARGET; |
a0d0e21e LW |
4521 | I32 value = (I32)(do_msgsnd(MARK, SP) >= 0); |
4522 | SP = MARK; | |
4523 | PUSHi(value); | |
4524 | RETURN; | |
4525 | #else | |
cea2e8a9 | 4526 | return pp_semget(); |
a0d0e21e LW |
4527 | #endif |
4528 | } | |
4529 | ||
4530 | PP(pp_msgrcv) | |
4531 | { | |
4532 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4533 | dSP; dMARK; dTARGET; |
a0d0e21e LW |
4534 | I32 value = (I32)(do_msgrcv(MARK, SP) >= 0); |
4535 | SP = MARK; | |
4536 | PUSHi(value); | |
4537 | RETURN; | |
4538 | #else | |
cea2e8a9 | 4539 | return pp_semget(); |
a0d0e21e LW |
4540 | #endif |
4541 | } | |
4542 | ||
4543 | /* Semaphores. */ | |
4544 | ||
4545 | PP(pp_semget) | |
4546 | { | |
4547 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4548 | dSP; dMARK; dTARGET; |
533c011a | 4549 | int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4550 | SP = MARK; |
4551 | if (anum == -1) | |
4552 | RETPUSHUNDEF; | |
4553 | PUSHi(anum); | |
4554 | RETURN; | |
4555 | #else | |
cea2e8a9 | 4556 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4557 | #endif |
4558 | } | |
4559 | ||
4560 | PP(pp_semctl) | |
4561 | { | |
4562 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4563 | dSP; dMARK; dTARGET; |
533c011a | 4564 | int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4565 | SP = MARK; |
4566 | if (anum == -1) | |
4567 | RETSETUNDEF; | |
4568 | if (anum != 0) { | |
4569 | PUSHi(anum); | |
4570 | } | |
4571 | else { | |
8903cb82 | 4572 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4573 | } |
4574 | RETURN; | |
4575 | #else | |
cea2e8a9 | 4576 | return pp_semget(); |
a0d0e21e LW |
4577 | #endif |
4578 | } | |
4579 | ||
4580 | PP(pp_semop) | |
4581 | { | |
4582 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
39644a26 | 4583 | dSP; dMARK; dTARGET; |
a0d0e21e LW |
4584 | I32 value = (I32)(do_semop(MARK, SP) >= 0); |
4585 | SP = MARK; | |
4586 | PUSHi(value); | |
4587 | RETURN; | |
4588 | #else | |
cea2e8a9 | 4589 | return pp_semget(); |
a0d0e21e LW |
4590 | #endif |
4591 | } | |
4592 | ||
4593 | /* Get system info. */ | |
4594 | ||
4595 | PP(pp_ghbyname) | |
4596 | { | |
693762b4 | 4597 | #ifdef HAS_GETHOSTBYNAME |
cea2e8a9 | 4598 | return pp_ghostent(); |
a0d0e21e | 4599 | #else |
cea2e8a9 | 4600 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
a0d0e21e LW |
4601 | #endif |
4602 | } | |
4603 | ||
4604 | PP(pp_ghbyaddr) | |
4605 | { | |
693762b4 | 4606 | #ifdef HAS_GETHOSTBYADDR |
cea2e8a9 | 4607 | return pp_ghostent(); |
a0d0e21e | 4608 | #else |
cea2e8a9 | 4609 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
a0d0e21e LW |
4610 | #endif |
4611 | } | |
4612 | ||
4613 | PP(pp_ghostent) | |
4614 | { | |
693762b4 | 4615 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
9cad6237 | 4616 | dSP; |
533c011a | 4617 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4618 | register char **elem; |
4619 | register SV *sv; | |
dc45a647 | 4620 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
4599a1de JH |
4621 | struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4622 | struct hostent *PerlSock_gethostbyname(Netdb_name_t); | |
6ad3d225 | 4623 | struct hostent *PerlSock_gethostent(void); |
a0d0e21e LW |
4624 | #endif |
4625 | struct hostent *hent; | |
4626 | unsigned long len; | |
2d8e6c8d | 4627 | STRLEN n_a; |
a0d0e21e LW |
4628 | |
4629 | EXTEND(SP, 10); | |
dc45a647 MB |
4630 | if (which == OP_GHBYNAME) |
4631 | #ifdef HAS_GETHOSTBYNAME | |
595ae481 | 4632 | hent = PerlSock_gethostbyname(POPpbytex); |
dc45a647 | 4633 | #else |
cea2e8a9 | 4634 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4635 | #endif |
a0d0e21e | 4636 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4637 | #ifdef HAS_GETHOSTBYADDR |
a0d0e21e | 4638 | int addrtype = POPi; |
748a9306 | 4639 | SV *addrsv = POPs; |
a0d0e21e | 4640 | STRLEN addrlen; |
595ae481 | 4641 | Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4642 | |
4599a1de | 4643 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4644 | #else |
cea2e8a9 | 4645 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4646 | #endif |
a0d0e21e LW |
4647 | } |
4648 | else | |
4649 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4650 | hent = PerlSock_gethostent(); |
a0d0e21e | 4651 | #else |
cea2e8a9 | 4652 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4653 | #endif |
4654 | ||
4655 | #ifdef HOST_NOT_FOUND | |
4656 | if (!hent) | |
f86702cc | 4657 | STATUS_NATIVE_SET(h_errno); |
a0d0e21e LW |
4658 | #endif |
4659 | ||
4660 | if (GIMME != G_ARRAY) { | |
4661 | PUSHs(sv = sv_newmortal()); | |
4662 | if (hent) { | |
4663 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4664 | if (hent->h_addr) |
4665 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4666 | } |
4667 | else | |
4668 | sv_setpv(sv, (char*)hent->h_name); | |
4669 | } | |
4670 | RETURN; | |
4671 | } | |
4672 | ||
4673 | if (hent) { | |
3280af22 | 4674 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4675 | sv_setpv(sv, (char*)hent->h_name); |
3280af22 | 4676 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4677 | for (elem = hent->h_aliases; elem && *elem; elem++) { |
4678 | sv_catpv(sv, *elem); | |
4679 | if (elem[1]) | |
4680 | sv_catpvn(sv, " ", 1); | |
4681 | } | |
3280af22 | 4682 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4683 | sv_setiv(sv, (IV)hent->h_addrtype); |
3280af22 | 4684 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4685 | len = hent->h_length; |
1e422769 | 4686 | sv_setiv(sv, (IV)len); |
a0d0e21e LW |
4687 | #ifdef h_addr |
4688 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
3280af22 | 4689 | XPUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4690 | sv_setpvn(sv, *elem, len); |
4691 | } | |
4692 | #else | |
6b88bc9c | 4693 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
fd0af264 | 4694 | if (hent->h_addr) |
4695 | sv_setpvn(sv, hent->h_addr, len); | |
a0d0e21e LW |
4696 | #endif /* h_addr */ |
4697 | } | |
4698 | RETURN; | |
4699 | #else | |
cea2e8a9 | 4700 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4701 | #endif |
4702 | } | |
4703 | ||
4704 | PP(pp_gnbyname) | |
4705 | { | |
693762b4 | 4706 | #ifdef HAS_GETNETBYNAME |
cea2e8a9 | 4707 | return pp_gnetent(); |
a0d0e21e | 4708 | #else |
cea2e8a9 | 4709 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
a0d0e21e LW |
4710 | #endif |
4711 | } | |
4712 | ||
4713 | PP(pp_gnbyaddr) | |
4714 | { | |
693762b4 | 4715 | #ifdef HAS_GETNETBYADDR |
cea2e8a9 | 4716 | return pp_gnetent(); |
a0d0e21e | 4717 | #else |
cea2e8a9 | 4718 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
a0d0e21e LW |
4719 | #endif |
4720 | } | |
4721 | ||
4722 | PP(pp_gnetent) | |
4723 | { | |
693762b4 | 4724 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
9cad6237 | 4725 | dSP; |
533c011a | 4726 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4727 | register char **elem; |
4728 | register SV *sv; | |
dc45a647 MB |
4729 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
4730 | struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int); | |
4731 | struct netent *PerlSock_getnetbyname(Netdb_name_t); | |
4732 | struct netent *PerlSock_getnetent(void); | |
8ac85365 | 4733 | #endif |
a0d0e21e | 4734 | struct netent *nent; |
2d8e6c8d | 4735 | STRLEN n_a; |
a0d0e21e LW |
4736 | |
4737 | if (which == OP_GNBYNAME) | |
dc45a647 | 4738 | #ifdef HAS_GETNETBYNAME |
42e0c139 | 4739 | nent = PerlSock_getnetbyname(POPpbytex); |
dc45a647 | 4740 | #else |
cea2e8a9 | 4741 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4742 | #endif |
a0d0e21e | 4743 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4744 | #ifdef HAS_GETNETBYADDR |
a0d0e21e | 4745 | int addrtype = POPi; |
3bb7c1b4 | 4746 | Netdb_net_t addr = (Netdb_net_t) (U32)POPu; |
76e3520e | 4747 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4748 | #else |
cea2e8a9 | 4749 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4750 | #endif |
a0d0e21e LW |
4751 | } |
4752 | else | |
dc45a647 | 4753 | #ifdef HAS_GETNETENT |
76e3520e | 4754 | nent = PerlSock_getnetent(); |
dc45a647 | 4755 | #else |
cea2e8a9 | 4756 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4757 | #endif |
a0d0e21e LW |
4758 | |
4759 | EXTEND(SP, 4); | |
4760 | if (GIMME != G_ARRAY) { | |
4761 | PUSHs(sv = sv_newmortal()); | |
4762 | if (nent) { | |
4763 | if (which == OP_GNBYNAME) | |
1e422769 | 4764 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4765 | else |
4766 | sv_setpv(sv, nent->n_name); | |
4767 | } | |
4768 | RETURN; | |
4769 | } | |
4770 | ||
4771 | if (nent) { | |
3280af22 | 4772 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4773 | sv_setpv(sv, nent->n_name); |
3280af22 | 4774 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4775 | for (elem = nent->n_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4776 | sv_catpv(sv, *elem); |
4777 | if (elem[1]) | |
4778 | sv_catpvn(sv, " ", 1); | |
4779 | } | |
3280af22 | 4780 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4781 | sv_setiv(sv, (IV)nent->n_addrtype); |
3280af22 | 4782 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4783 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4784 | } |
4785 | ||
4786 | RETURN; | |
4787 | #else | |
cea2e8a9 | 4788 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
a0d0e21e LW |
4789 | #endif |
4790 | } | |
4791 | ||
4792 | PP(pp_gpbyname) | |
4793 | { | |
693762b4 | 4794 | #ifdef HAS_GETPROTOBYNAME |
cea2e8a9 | 4795 | return pp_gprotoent(); |
a0d0e21e | 4796 | #else |
cea2e8a9 | 4797 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
a0d0e21e LW |
4798 | #endif |
4799 | } | |
4800 | ||
4801 | PP(pp_gpbynumber) | |
4802 | { | |
693762b4 | 4803 | #ifdef HAS_GETPROTOBYNUMBER |
cea2e8a9 | 4804 | return pp_gprotoent(); |
a0d0e21e | 4805 | #else |
cea2e8a9 | 4806 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
a0d0e21e LW |
4807 | #endif |
4808 | } | |
4809 | ||
4810 | PP(pp_gprotoent) | |
4811 | { | |
693762b4 | 4812 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
9cad6237 | 4813 | dSP; |
533c011a | 4814 | I32 which = PL_op->op_type; |
a0d0e21e | 4815 | register char **elem; |
301e8125 | 4816 | register SV *sv; |
dc45a647 | 4817 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
4599a1de | 4818 | struct protoent *PerlSock_getprotobyname(Netdb_name_t); |
6ad3d225 GS |
4819 | struct protoent *PerlSock_getprotobynumber(int); |
4820 | struct protoent *PerlSock_getprotoent(void); | |
8ac85365 | 4821 | #endif |
a0d0e21e | 4822 | struct protoent *pent; |
2d8e6c8d | 4823 | STRLEN n_a; |
a0d0e21e LW |
4824 | |
4825 | if (which == OP_GPBYNAME) | |
e5c9fcd0 | 4826 | #ifdef HAS_GETPROTOBYNAME |
42e0c139 | 4827 | pent = PerlSock_getprotobyname(POPpbytex); |
e5c9fcd0 | 4828 | #else |
cea2e8a9 | 4829 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4830 | #endif |
a0d0e21e | 4831 | else if (which == OP_GPBYNUMBER) |
e5c9fcd0 | 4832 | #ifdef HAS_GETPROTOBYNUMBER |
6ad3d225 | 4833 | pent = PerlSock_getprotobynumber(POPi); |
e5c9fcd0 | 4834 | #else |
cea2e8a9 | 4835 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4836 | #endif |
a0d0e21e | 4837 | else |
e5c9fcd0 | 4838 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4839 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4840 | #else |
cea2e8a9 | 4841 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4842 | #endif |
a0d0e21e LW |
4843 | |
4844 | EXTEND(SP, 3); | |
4845 | if (GIMME != G_ARRAY) { | |
4846 | PUSHs(sv = sv_newmortal()); | |
4847 | if (pent) { | |
4848 | if (which == OP_GPBYNAME) | |
1e422769 | 4849 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4850 | else |
4851 | sv_setpv(sv, pent->p_name); | |
4852 | } | |
4853 | RETURN; | |
4854 | } | |
4855 | ||
4856 | if (pent) { | |
3280af22 | 4857 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4858 | sv_setpv(sv, pent->p_name); |
3280af22 | 4859 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4860 | for (elem = pent->p_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4861 | sv_catpv(sv, *elem); |
4862 | if (elem[1]) | |
4863 | sv_catpvn(sv, " ", 1); | |
4864 | } | |
3280af22 | 4865 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4866 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4867 | } |
4868 | ||
4869 | RETURN; | |
4870 | #else | |
cea2e8a9 | 4871 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
a0d0e21e LW |
4872 | #endif |
4873 | } | |
4874 | ||
4875 | PP(pp_gsbyname) | |
4876 | { | |
9ec75305 | 4877 | #ifdef HAS_GETSERVBYNAME |
cea2e8a9 | 4878 | return pp_gservent(); |
a0d0e21e | 4879 | #else |
cea2e8a9 | 4880 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
a0d0e21e LW |
4881 | #endif |
4882 | } | |
4883 | ||
4884 | PP(pp_gsbyport) | |
4885 | { | |
9ec75305 | 4886 | #ifdef HAS_GETSERVBYPORT |
cea2e8a9 | 4887 | return pp_gservent(); |
a0d0e21e | 4888 | #else |
cea2e8a9 | 4889 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
a0d0e21e LW |
4890 | #endif |
4891 | } | |
4892 | ||
4893 | PP(pp_gservent) | |
4894 | { | |
693762b4 | 4895 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
9cad6237 | 4896 | dSP; |
533c011a | 4897 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4898 | register char **elem; |
4899 | register SV *sv; | |
dc45a647 | 4900 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
4599a1de JH |
4901 | struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t); |
4902 | struct servent *PerlSock_getservbyport(int, Netdb_name_t); | |
6ad3d225 | 4903 | struct servent *PerlSock_getservent(void); |
8ac85365 | 4904 | #endif |
a0d0e21e | 4905 | struct servent *sent; |
2d8e6c8d | 4906 | STRLEN n_a; |
a0d0e21e LW |
4907 | |
4908 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4909 | #ifdef HAS_GETSERVBYNAME |
42e0c139 AP |
4910 | char *proto = POPpbytex; |
4911 | char *name = POPpbytex; | |
a0d0e21e LW |
4912 | |
4913 | if (proto && !*proto) | |
4914 | proto = Nullch; | |
4915 | ||
6ad3d225 | 4916 | sent = PerlSock_getservbyname(name, proto); |
dc45a647 | 4917 | #else |
cea2e8a9 | 4918 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4919 | #endif |
a0d0e21e LW |
4920 | } |
4921 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4922 | #ifdef HAS_GETSERVBYPORT |
42e0c139 | 4923 | char *proto = POPpbytex; |
36477c24 | 4924 | unsigned short port = POPu; |
a0d0e21e | 4925 | |
36477c24 | 4926 | #ifdef HAS_HTONS |
6ad3d225 | 4927 | port = PerlSock_htons(port); |
36477c24 | 4928 | #endif |
6ad3d225 | 4929 | sent = PerlSock_getservbyport(port, proto); |
dc45a647 | 4930 | #else |
cea2e8a9 | 4931 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4932 | #endif |
a0d0e21e LW |
4933 | } |
4934 | else | |
e5c9fcd0 | 4935 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4936 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4937 | #else |
cea2e8a9 | 4938 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4939 | #endif |
a0d0e21e LW |
4940 | |
4941 | EXTEND(SP, 4); | |
4942 | if (GIMME != G_ARRAY) { | |
4943 | PUSHs(sv = sv_newmortal()); | |
4944 | if (sent) { | |
4945 | if (which == OP_GSBYNAME) { | |
4946 | #ifdef HAS_NTOHS | |
6ad3d225 | 4947 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4948 | #else |
1e422769 | 4949 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4950 | #endif |
4951 | } | |
4952 | else | |
4953 | sv_setpv(sv, sent->s_name); | |
4954 | } | |
4955 | RETURN; | |
4956 | } | |
4957 | ||
4958 | if (sent) { | |
3280af22 | 4959 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4960 | sv_setpv(sv, sent->s_name); |
3280af22 | 4961 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4962 | for (elem = sent->s_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4963 | sv_catpv(sv, *elem); |
4964 | if (elem[1]) | |
4965 | sv_catpvn(sv, " ", 1); | |
4966 | } | |
3280af22 | 4967 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4968 | #ifdef HAS_NTOHS |
76e3520e | 4969 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4970 | #else |
1e422769 | 4971 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e | 4972 | #endif |
3280af22 | 4973 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4974 | sv_setpv(sv, sent->s_proto); |
4975 | } | |
4976 | ||
4977 | RETURN; | |
4978 | #else | |
cea2e8a9 | 4979 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
a0d0e21e LW |
4980 | #endif |
4981 | } | |
4982 | ||
4983 | PP(pp_shostent) | |
4984 | { | |
693762b4 | 4985 | #ifdef HAS_SETHOSTENT |
9cad6237 | 4986 | dSP; |
76e3520e | 4987 | PerlSock_sethostent(TOPi); |
a0d0e21e LW |
4988 | RETSETYES; |
4989 | #else | |
cea2e8a9 | 4990 | DIE(aTHX_ PL_no_sock_func, "sethostent"); |
a0d0e21e LW |
4991 | #endif |
4992 | } | |
4993 | ||
4994 | PP(pp_snetent) | |
4995 | { | |
693762b4 | 4996 | #ifdef HAS_SETNETENT |
9cad6237 | 4997 | dSP; |
76e3520e | 4998 | PerlSock_setnetent(TOPi); |
a0d0e21e LW |
4999 | RETSETYES; |
5000 | #else | |
cea2e8a9 | 5001 | DIE(aTHX_ PL_no_sock_func, "setnetent"); |
a0d0e21e LW |
5002 | #endif |
5003 | } | |
5004 | ||
5005 | PP(pp_sprotoent) | |
5006 | { | |
693762b4 | 5007 | #ifdef HAS_SETPROTOENT |
9cad6237 | 5008 | dSP; |
76e3520e | 5009 | PerlSock_setprotoent(TOPi); |
a0d0e21e LW |
5010 | RETSETYES; |
5011 | #else | |
cea2e8a9 | 5012 | DIE(aTHX_ PL_no_sock_func, "setprotoent"); |
a0d0e21e LW |
5013 | #endif |
5014 | } | |
5015 | ||
5016 | PP(pp_sservent) | |
5017 | { | |
693762b4 | 5018 | #ifdef HAS_SETSERVENT |
9cad6237 | 5019 | dSP; |
76e3520e | 5020 | PerlSock_setservent(TOPi); |
a0d0e21e LW |
5021 | RETSETYES; |
5022 | #else | |
cea2e8a9 | 5023 | DIE(aTHX_ PL_no_sock_func, "setservent"); |
a0d0e21e LW |
5024 | #endif |
5025 | } | |
5026 | ||
5027 | PP(pp_ehostent) | |
5028 | { | |
693762b4 | 5029 | #ifdef HAS_ENDHOSTENT |
9cad6237 | 5030 | dSP; |
76e3520e | 5031 | PerlSock_endhostent(); |
924508f0 | 5032 | EXTEND(SP,1); |
a0d0e21e LW |
5033 | RETPUSHYES; |
5034 | #else | |
cea2e8a9 | 5035 | DIE(aTHX_ PL_no_sock_func, "endhostent"); |
a0d0e21e LW |
5036 | #endif |
5037 | } | |
5038 | ||
5039 | PP(pp_enetent) | |
5040 | { | |
693762b4 | 5041 | #ifdef HAS_ENDNETENT |
9cad6237 | 5042 | dSP; |
76e3520e | 5043 | PerlSock_endnetent(); |
924508f0 | 5044 | EXTEND(SP,1); |
a0d0e21e LW |
5045 | RETPUSHYES; |
5046 | #else | |
cea2e8a9 | 5047 | DIE(aTHX_ PL_no_sock_func, "endnetent"); |
a0d0e21e LW |
5048 | #endif |
5049 | } | |
5050 | ||
5051 | PP(pp_eprotoent) | |
5052 | { | |
693762b4 | 5053 | #ifdef HAS_ENDPROTOENT |
9cad6237 | 5054 | dSP; |
76e3520e | 5055 | PerlSock_endprotoent(); |
924508f0 | 5056 | EXTEND(SP,1); |
a0d0e21e LW |
5057 | RETPUSHYES; |
5058 | #else | |
cea2e8a9 | 5059 | DIE(aTHX_ PL_no_sock_func, "endprotoent"); |
a0d0e21e LW |
5060 | #endif |
5061 | } | |
5062 | ||
5063 | PP(pp_eservent) | |
5064 | { | |
693762b4 | 5065 | #ifdef HAS_ENDSERVENT |
9cad6237 | 5066 | dSP; |
76e3520e | 5067 | PerlSock_endservent(); |
924508f0 | 5068 | EXTEND(SP,1); |
a0d0e21e LW |
5069 | RETPUSHYES; |
5070 | #else | |
cea2e8a9 | 5071 | DIE(aTHX_ PL_no_sock_func, "endservent"); |
a0d0e21e LW |
5072 | #endif |
5073 | } | |
5074 | ||
5075 | PP(pp_gpwnam) | |
5076 | { | |
5077 | #ifdef HAS_PASSWD | |
cea2e8a9 | 5078 | return pp_gpwent(); |
a0d0e21e | 5079 | #else |
cea2e8a9 | 5080 | DIE(aTHX_ PL_no_func, "getpwnam"); |
a0d0e21e LW |
5081 | #endif |
5082 | } | |
5083 | ||
5084 | PP(pp_gpwuid) | |
5085 | { | |
5086 | #ifdef HAS_PASSWD | |
cea2e8a9 | 5087 | return pp_gpwent(); |
a0d0e21e | 5088 | #else |
cea2e8a9 | 5089 | DIE(aTHX_ PL_no_func, "getpwuid"); |
a0d0e21e LW |
5090 | #endif |
5091 | } | |
5092 | ||
5093 | PP(pp_gpwent) | |
5094 | { | |
0994c4d0 | 5095 | #ifdef HAS_PASSWD |
9cad6237 | 5096 | dSP; |
533c011a | 5097 | I32 which = PL_op->op_type; |
a0d0e21e | 5098 | register SV *sv; |
2d8e6c8d | 5099 | STRLEN n_a; |
e3aefe8d | 5100 | struct passwd *pwent = NULL; |
301e8125 | 5101 | /* |
bcf53261 JH |
5102 | * We currently support only the SysV getsp* shadow password interface. |
5103 | * The interface is declared in <shadow.h> and often one needs to link | |
5104 | * with -lsecurity or some such. | |
5105 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
5106 | * (and SCO?) | |
5107 | * | |
5108 | * AIX getpwnam() is clever enough to return the encrypted password | |
5109 | * only if the caller (euid?) is root. | |
5110 | * | |
5111 | * There are at least two other shadow password APIs. Many platforms | |
5112 | * seem to contain more than one interface for accessing the shadow | |
5113 | * password databases, possibly for compatibility reasons. | |
3813c136 | 5114 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
5115 | * are much more complicated, but also very similar to each other. |
5116 | * | |
5117 | * <sys/types.h> | |
5118 | * <sys/security.h> | |
5119 | * <prot.h> | |
5120 | * struct pr_passwd *getprpw*(); | |
5121 | * The password is in | |
3813c136 JH |
5122 | * char getprpw*(...).ufld.fd_encrypt[] |
5123 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
5124 | * |
5125 | * <sys/types.h> | |
5126 | * <sys/security.h> | |
5127 | * <prot.h> | |
5128 | * struct es_passwd *getespw*(); | |
5129 | * The password is in | |
5130 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 5131 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 5132 | * |
3813c136 | 5133 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
5134 | * |
5135 | * In HP-UX for getprpw*() the manual page claims that one should include | |
5136 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
5137 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
5138 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
5139 | * |
5140 | * Note that <sys/security.h> is already probed for, but currently | |
5141 | * it is only included in special cases. | |
301e8125 | 5142 | * |
bcf53261 JH |
5143 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
5144 | * be preferred interface, even though also the getprpw*() interface | |
5145 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
5146 | * One also needs to call set_auth_parameters() in main() before |
5147 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
5148 | * | |
5149 | * Note that accessing the shadow databases can be magnitudes | |
5150 | * slower than accessing the standard databases. | |
bcf53261 JH |
5151 | * |
5152 | * --jhi | |
5153 | */ | |
a0d0e21e | 5154 | |
e3aefe8d JH |
5155 | switch (which) { |
5156 | case OP_GPWNAM: | |
42e0c139 | 5157 | pwent = getpwnam(POPpbytex); |
e3aefe8d JH |
5158 | break; |
5159 | case OP_GPWUID: | |
5160 | pwent = getpwuid((Uid_t)POPi); | |
5161 | break; | |
5162 | case OP_GPWENT: | |
1883634f | 5163 | # ifdef HAS_GETPWENT |
e3aefe8d | 5164 | pwent = getpwent(); |
1883634f | 5165 | # else |
a45d1c96 | 5166 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5167 | # endif |
e3aefe8d JH |
5168 | break; |
5169 | } | |
8c0bfa08 | 5170 | |
a0d0e21e LW |
5171 | EXTEND(SP, 10); |
5172 | if (GIMME != G_ARRAY) { | |
5173 | PUSHs(sv = sv_newmortal()); | |
5174 | if (pwent) { | |
5175 | if (which == OP_GPWNAM) | |
1883634f | 5176 | # if Uid_t_sign <= 0 |
1e422769 | 5177 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5178 | # else |
23dcd6c8 | 5179 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5180 | # endif |
a0d0e21e LW |
5181 | else |
5182 | sv_setpv(sv, pwent->pw_name); | |
5183 | } | |
5184 | RETURN; | |
5185 | } | |
5186 | ||
5187 | if (pwent) { | |
3280af22 | 5188 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5189 | sv_setpv(sv, pwent->pw_name); |
6ee623d5 | 5190 | |
3280af22 | 5191 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
3813c136 JH |
5192 | SvPOK_off(sv); |
5193 | /* If we have getspnam(), we try to dig up the shadow | |
5194 | * password. If we are underprivileged, the shadow | |
5195 | * interface will set the errno to EACCES or similar, | |
5196 | * and return a null pointer. If this happens, we will | |
5197 | * use the dummy password (usually "*" or "x") from the | |
5198 | * standard password database. | |
5199 | * | |
5200 | * In theory we could skip the shadow call completely | |
5201 | * if euid != 0 but in practice we cannot know which | |
5202 | * security measures are guarding the shadow databases | |
5203 | * on a random platform. | |
5204 | * | |
5205 | * Resist the urge to use additional shadow interfaces. | |
5206 | * Divert the urge to writing an extension instead. | |
5207 | * | |
5208 | * --jhi */ | |
e3aefe8d | 5209 | # ifdef HAS_GETSPNAM |
3813c136 JH |
5210 | { |
5211 | struct spwd *spwent; | |
5212 | int saverrno; /* Save and restore errno so that | |
5213 | * underprivileged attempts seem | |
5214 | * to have never made the unsccessful | |
5215 | * attempt to retrieve the shadow password. */ | |
5216 | ||
5217 | saverrno = errno; | |
5218 | spwent = getspnam(pwent->pw_name); | |
5219 | errno = saverrno; | |
5220 | if (spwent && spwent->sp_pwdp) | |
5221 | sv_setpv(sv, spwent->sp_pwdp); | |
5222 | } | |
f1066039 | 5223 | # endif |
e020c87d | 5224 | # ifdef PWPASSWD |
3813c136 JH |
5225 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5226 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5227 | # endif |
3813c136 | 5228 | |
1883634f | 5229 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5230 | /* passwd is tainted because user himself can diddle with it. |
5231 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5232 | SvTAINTED_on(sv); |
1883634f | 5233 | # endif |
6ee623d5 | 5234 | |
3280af22 | 5235 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5236 | # if Uid_t_sign <= 0 |
1e422769 | 5237 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5238 | # else |
23dcd6c8 | 5239 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5240 | # endif |
6ee623d5 | 5241 | |
3280af22 | 5242 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5243 | # if Uid_t_sign <= 0 |
1e422769 | 5244 | sv_setiv(sv, (IV)pwent->pw_gid); |
1883634f | 5245 | # else |
23dcd6c8 | 5246 | sv_setuv(sv, (UV)pwent->pw_gid); |
1883634f | 5247 | # endif |
3813c136 JH |
5248 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5249 | * because of the poor interface of the Perl getpw*(), | |
5250 | * not because there's some standard/convention saying so. | |
5251 | * A better interface would have been to return a hash, | |
5252 | * but we are accursed by our history, alas. --jhi. */ | |
3280af22 | 5253 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5254 | # ifdef PWCHANGE |
1e422769 | 5255 | sv_setiv(sv, (IV)pwent->pw_change); |
6ee623d5 | 5256 | # else |
1883634f JH |
5257 | # ifdef PWQUOTA |
5258 | sv_setiv(sv, (IV)pwent->pw_quota); | |
5259 | # else | |
a1757be1 | 5260 | # ifdef PWAGE |
a0d0e21e | 5261 | sv_setpv(sv, pwent->pw_age); |
a1757be1 | 5262 | # endif |
6ee623d5 GS |
5263 | # endif |
5264 | # endif | |
6ee623d5 | 5265 | |
3813c136 JH |
5266 | /* pw_class and pw_comment are mutually exclusive--. |
5267 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
3280af22 | 5268 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5269 | # ifdef PWCLASS |
a0d0e21e | 5270 | sv_setpv(sv, pwent->pw_class); |
1883634f JH |
5271 | # else |
5272 | # ifdef PWCOMMENT | |
a0d0e21e | 5273 | sv_setpv(sv, pwent->pw_comment); |
1883634f | 5274 | # endif |
6ee623d5 | 5275 | # endif |
6ee623d5 | 5276 | |
3280af22 | 5277 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5278 | # ifdef PWGECOS |
a0d0e21e | 5279 | sv_setpv(sv, pwent->pw_gecos); |
1883634f JH |
5280 | # endif |
5281 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5282 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5283 | SvTAINTED_on(sv); |
1883634f | 5284 | # endif |
6ee623d5 | 5285 | |
3280af22 | 5286 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5287 | sv_setpv(sv, pwent->pw_dir); |
6ee623d5 | 5288 | |
3280af22 | 5289 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5290 | sv_setpv(sv, pwent->pw_shell); |
1883634f | 5291 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5292 | /* pw_shell is tainted because user himself can diddle with it. */ |
5293 | SvTAINTED_on(sv); | |
1883634f | 5294 | # endif |
6ee623d5 | 5295 | |
1883634f | 5296 | # ifdef PWEXPIRE |
6b88bc9c | 5297 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5298 | sv_setiv(sv, (IV)pwent->pw_expire); |
1883634f | 5299 | # endif |
a0d0e21e LW |
5300 | } |
5301 | RETURN; | |
5302 | #else | |
cea2e8a9 | 5303 | DIE(aTHX_ PL_no_func, "getpwent"); |
a0d0e21e LW |
5304 | #endif |
5305 | } | |
5306 | ||
5307 | PP(pp_spwent) | |
5308 | { | |
d493b042 | 5309 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) |
9cad6237 | 5310 | dSP; |
a0d0e21e LW |
5311 | setpwent(); |
5312 | RETPUSHYES; | |
5313 | #else | |
cea2e8a9 | 5314 | DIE(aTHX_ PL_no_func, "setpwent"); |
a0d0e21e LW |
5315 | #endif |
5316 | } | |
5317 | ||
5318 | PP(pp_epwent) | |
5319 | { | |
28e8609d | 5320 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) |
9cad6237 | 5321 | dSP; |
a0d0e21e LW |
5322 | endpwent(); |
5323 | RETPUSHYES; | |
5324 | #else | |
cea2e8a9 | 5325 | DIE(aTHX_ PL_no_func, "endpwent"); |
a0d0e21e LW |
5326 | #endif |
5327 | } | |
5328 | ||
5329 | PP(pp_ggrnam) | |
5330 | { | |
5331 | #ifdef HAS_GROUP | |
cea2e8a9 | 5332 | return pp_ggrent(); |
a0d0e21e | 5333 | #else |
cea2e8a9 | 5334 | DIE(aTHX_ PL_no_func, "getgrnam"); |
a0d0e21e LW |
5335 | #endif |
5336 | } | |
5337 | ||
5338 | PP(pp_ggrgid) | |
5339 | { | |
5340 | #ifdef HAS_GROUP | |
cea2e8a9 | 5341 | return pp_ggrent(); |
a0d0e21e | 5342 | #else |
cea2e8a9 | 5343 | DIE(aTHX_ PL_no_func, "getgrgid"); |
a0d0e21e LW |
5344 | #endif |
5345 | } | |
5346 | ||
5347 | PP(pp_ggrent) | |
5348 | { | |
0994c4d0 | 5349 | #ifdef HAS_GROUP |
9cad6237 | 5350 | dSP; |
533c011a | 5351 | I32 which = PL_op->op_type; |
a0d0e21e LW |
5352 | register char **elem; |
5353 | register SV *sv; | |
5354 | struct group *grent; | |
2d8e6c8d | 5355 | STRLEN n_a; |
a0d0e21e LW |
5356 | |
5357 | if (which == OP_GGRNAM) | |
42e0c139 | 5358 | grent = (struct group *)getgrnam(POPpbytex); |
a0d0e21e LW |
5359 | else if (which == OP_GGRGID) |
5360 | grent = (struct group *)getgrgid(POPi); | |
5361 | else | |
0994c4d0 | 5362 | #ifdef HAS_GETGRENT |
a0d0e21e | 5363 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5364 | #else |
5365 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5366 | #endif | |
a0d0e21e LW |
5367 | |
5368 | EXTEND(SP, 4); | |
5369 | if (GIMME != G_ARRAY) { | |
5370 | PUSHs(sv = sv_newmortal()); | |
5371 | if (grent) { | |
5372 | if (which == OP_GGRNAM) | |
1e422769 | 5373 | sv_setiv(sv, (IV)grent->gr_gid); |
a0d0e21e LW |
5374 | else |
5375 | sv_setpv(sv, grent->gr_name); | |
5376 | } | |
5377 | RETURN; | |
5378 | } | |
5379 | ||
5380 | if (grent) { | |
3280af22 | 5381 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5382 | sv_setpv(sv, grent->gr_name); |
28e8609d | 5383 | |
3280af22 | 5384 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
28e8609d | 5385 | #ifdef GRPASSWD |
a0d0e21e | 5386 | sv_setpv(sv, grent->gr_passwd); |
28e8609d JH |
5387 | #endif |
5388 | ||
3280af22 | 5389 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5390 | sv_setiv(sv, (IV)grent->gr_gid); |
28e8609d | 5391 | |
3280af22 | 5392 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 5393 | for (elem = grent->gr_mem; elem && *elem; elem++) { |
a0d0e21e LW |
5394 | sv_catpv(sv, *elem); |
5395 | if (elem[1]) | |
5396 | sv_catpvn(sv, " ", 1); | |
5397 | } | |
5398 | } | |
5399 | ||
5400 | RETURN; | |
5401 | #else | |
cea2e8a9 | 5402 | DIE(aTHX_ PL_no_func, "getgrent"); |
a0d0e21e LW |
5403 | #endif |
5404 | } | |
5405 | ||
5406 | PP(pp_sgrent) | |
5407 | { | |
28e8609d | 5408 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) |
9cad6237 | 5409 | dSP; |
a0d0e21e LW |
5410 | setgrent(); |
5411 | RETPUSHYES; | |
5412 | #else | |
cea2e8a9 | 5413 | DIE(aTHX_ PL_no_func, "setgrent"); |
a0d0e21e LW |
5414 | #endif |
5415 | } | |
5416 | ||
5417 | PP(pp_egrent) | |
5418 | { | |
28e8609d | 5419 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) |
9cad6237 | 5420 | dSP; |
a0d0e21e LW |
5421 | endgrent(); |
5422 | RETPUSHYES; | |
5423 | #else | |
cea2e8a9 | 5424 | DIE(aTHX_ PL_no_func, "endgrent"); |
a0d0e21e LW |
5425 | #endif |
5426 | } | |
5427 | ||
5428 | PP(pp_getlogin) | |
5429 | { | |
a0d0e21e | 5430 | #ifdef HAS_GETLOGIN |
9cad6237 | 5431 | dSP; dTARGET; |
a0d0e21e LW |
5432 | char *tmps; |
5433 | EXTEND(SP, 1); | |
76e3520e | 5434 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e LW |
5435 | RETPUSHUNDEF; |
5436 | PUSHp(tmps, strlen(tmps)); | |
5437 | RETURN; | |
5438 | #else | |
cea2e8a9 | 5439 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5440 | #endif |
5441 | } | |
5442 | ||
5443 | /* Miscellaneous. */ | |
5444 | ||
5445 | PP(pp_syscall) | |
5446 | { | |
d2719217 | 5447 | #ifdef HAS_SYSCALL |
39644a26 | 5448 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5449 | register I32 items = SP - MARK; |
5450 | unsigned long a[20]; | |
5451 | register I32 i = 0; | |
5452 | I32 retval = -1; | |
2d8e6c8d | 5453 | STRLEN n_a; |
a0d0e21e | 5454 | |
3280af22 | 5455 | if (PL_tainting) { |
a0d0e21e | 5456 | while (++MARK <= SP) { |
bbce6d69 | 5457 | if (SvTAINTED(*MARK)) { |
5458 | TAINT; | |
5459 | break; | |
5460 | } | |
a0d0e21e LW |
5461 | } |
5462 | MARK = ORIGMARK; | |
5463 | TAINT_PROPER("syscall"); | |
5464 | } | |
5465 | ||
5466 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5467 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5468 | * not likely have syscall implemented either, so who cares? | |
5469 | */ | |
5470 | while (++MARK <= SP) { | |
5471 | if (SvNIOK(*MARK) || !i) | |
5472 | a[i++] = SvIV(*MARK); | |
3280af22 | 5473 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5474 | a[i++] = 0; |
301e8125 | 5475 | else |
2d8e6c8d | 5476 | a[i++] = (unsigned long)SvPV_force(*MARK, n_a); |
a0d0e21e LW |
5477 | if (i > 15) |
5478 | break; | |
5479 | } | |
5480 | switch (items) { | |
5481 | default: | |
cea2e8a9 | 5482 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5483 | case 0: |
cea2e8a9 | 5484 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5485 | case 1: |
5486 | retval = syscall(a[0]); | |
5487 | break; | |
5488 | case 2: | |
5489 | retval = syscall(a[0],a[1]); | |
5490 | break; | |
5491 | case 3: | |
5492 | retval = syscall(a[0],a[1],a[2]); | |
5493 | break; | |
5494 | case 4: | |
5495 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5496 | break; | |
5497 | case 5: | |
5498 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5499 | break; | |
5500 | case 6: | |
5501 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5502 | break; | |
5503 | case 7: | |
5504 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5505 | break; | |
5506 | case 8: | |
5507 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5508 | break; | |
5509 | #ifdef atarist | |
5510 | case 9: | |
5511 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5512 | break; | |
5513 | case 10: | |
5514 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5515 | break; | |
5516 | case 11: | |
5517 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5518 | a[10]); | |
5519 | break; | |
5520 | case 12: | |
5521 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5522 | a[10],a[11]); | |
5523 | break; | |
5524 | case 13: | |
5525 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5526 | a[10],a[11],a[12]); | |
5527 | break; | |
5528 | case 14: | |
5529 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5530 | a[10],a[11],a[12],a[13]); | |
5531 | break; | |
5532 | #endif /* atarist */ | |
5533 | } | |
5534 | SP = ORIGMARK; | |
5535 | PUSHi(retval); | |
5536 | RETURN; | |
5537 | #else | |
cea2e8a9 | 5538 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5539 | #endif |
5540 | } | |
5541 | ||
ff68c719 | 5542 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5543 | |
ff68c719 | 5544 | /* XXX Emulate flock() with fcntl(). |
5545 | What's really needed is a good file locking module. | |
5546 | */ | |
5547 | ||
cea2e8a9 GS |
5548 | static int |
5549 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5550 | { |
5551 | struct flock flock; | |
301e8125 | 5552 | |
ff68c719 | 5553 | switch (operation & ~LOCK_NB) { |
5554 | case LOCK_SH: | |
5555 | flock.l_type = F_RDLCK; | |
5556 | break; | |
5557 | case LOCK_EX: | |
5558 | flock.l_type = F_WRLCK; | |
5559 | break; | |
5560 | case LOCK_UN: | |
5561 | flock.l_type = F_UNLCK; | |
5562 | break; | |
5563 | default: | |
5564 | errno = EINVAL; | |
5565 | return -1; | |
5566 | } | |
5567 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5568 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5569 | |
ff68c719 | 5570 | return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5571 | } | |
5572 | ||
5573 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5574 | ||
5575 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5576 | |
5577 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5578 | portability of scripts. The calls are not completely | |
5579 | interchangeable. What's really needed is a good file | |
5580 | locking module. | |
5581 | */ | |
5582 | ||
76c32331 | 5583 | /* The lockf() constants might have been defined in <unistd.h>. |
5584 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5585 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5586 | |
5587 | Further, the lockf() constants aren't POSIX, so they might not be | |
5588 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5589 | just stick in the SVID values and be done with it. Sigh. | |
5590 | */ | |
5591 | ||
5592 | # ifndef F_ULOCK | |
5593 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5594 | # endif | |
5595 | # ifndef F_LOCK | |
5596 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5597 | # endif | |
5598 | # ifndef F_TLOCK | |
5599 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5600 | # endif | |
5601 | # ifndef F_TEST | |
5602 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5603 | # endif | |
5604 | ||
cea2e8a9 GS |
5605 | static int |
5606 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5607 | { |
5608 | int i; | |
84902520 TB |
5609 | int save_errno; |
5610 | Off_t pos; | |
5611 | ||
5612 | /* flock locks entire file so for lockf we need to do the same */ | |
5613 | save_errno = errno; | |
6ad3d225 | 5614 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5615 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5616 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5617 | pos = -1; /* seek failed, so don't seek back afterwards */ |
84902520 TB |
5618 | errno = save_errno; |
5619 | ||
16d20bd9 AD |
5620 | switch (operation) { |
5621 | ||
5622 | /* LOCK_SH - get a shared lock */ | |
5623 | case LOCK_SH: | |
5624 | /* LOCK_EX - get an exclusive lock */ | |
5625 | case LOCK_EX: | |
5626 | i = lockf (fd, F_LOCK, 0); | |
5627 | break; | |
5628 | ||
5629 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5630 | case LOCK_SH|LOCK_NB: | |
5631 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5632 | case LOCK_EX|LOCK_NB: | |
5633 | i = lockf (fd, F_TLOCK, 0); | |
5634 | if (i == -1) | |
5635 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5636 | errno = EWOULDBLOCK; | |
5637 | break; | |
5638 | ||
ff68c719 | 5639 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5640 | case LOCK_UN: |
ff68c719 | 5641 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5642 | i = lockf (fd, F_ULOCK, 0); |
5643 | break; | |
5644 | ||
5645 | /* Default - can't decipher operation */ | |
5646 | default: | |
5647 | i = -1; | |
5648 | errno = EINVAL; | |
5649 | break; | |
5650 | } | |
84902520 TB |
5651 | |
5652 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5653 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5654 | |
16d20bd9 AD |
5655 | return (i); |
5656 | } | |
ff68c719 | 5657 | |
5658 | #endif /* LOCKF_EMULATE_FLOCK */ |