Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_sys.c |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1995, 1996, 1997, 1998, 1999, |
359e8da2 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others |
a0d0e21e LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
12 | * But only a short way ahead its floor and the walls on either side were | |
13 | * cloven by a great fissure, out of which the red glare came, now leaping | |
14 | * up, now dying down into darkness; and all the while far below there was | |
15 | * a rumour and a trouble as of great engines throbbing and labouring. | |
16 | */ | |
17 | ||
166f8a29 DM |
18 | /* This file contains system pp ("push/pop") functions that |
19 | * execute the opcodes that make up a perl program. A typical pp function | |
20 | * expects to find its arguments on the stack, and usually pushes its | |
21 | * results onto the stack, hence the 'pp' terminology. Each OP structure | |
22 | * contains a pointer to the relevant pp_foo() function. | |
23 | * | |
24 | * By 'system', we mean ops which interact with the OS, such as pp_open(). | |
25 | */ | |
26 | ||
a0d0e21e | 27 | #include "EXTERN.h" |
864dbfa3 | 28 | #define PERL_IN_PP_SYS_C |
a0d0e21e LW |
29 | #include "perl.h" |
30 | ||
f1066039 JH |
31 | #ifdef I_SHADOW |
32 | /* Shadow password support for solaris - pdo@cs.umd.edu | |
33 | * Not just Solaris: at least HP-UX, IRIX, Linux. | |
3813c136 JH |
34 | * The API is from SysV. |
35 | * | |
36 | * There are at least two more shadow interfaces, | |
37 | * see the comments in pp_gpwent(). | |
38 | * | |
39 | * --jhi */ | |
40 | # ifdef __hpux__ | |
c529f79d | 41 | /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h> |
301e8125 | 42 | * and another MAXINT from "perl.h" <- <sys/param.h>. */ |
3813c136 JH |
43 | # undef MAXINT |
44 | # endif | |
45 | # include <shadow.h> | |
8c0bfa08 PB |
46 | #endif |
47 | ||
76c32331 | 48 | #ifdef I_SYS_WAIT |
49 | # include <sys/wait.h> | |
50 | #endif | |
51 | ||
52 | #ifdef I_SYS_RESOURCE | |
53 | # include <sys/resource.h> | |
16d20bd9 | 54 | #endif |
a0d0e21e | 55 | |
2986a63f JH |
56 | #ifdef NETWARE |
57 | NETDB_DEFINE_CONTEXT | |
58 | #endif | |
59 | ||
a0d0e21e | 60 | #ifdef HAS_SELECT |
1e743fda JH |
61 | # ifdef I_SYS_SELECT |
62 | # include <sys/select.h> | |
63 | # endif | |
a0d0e21e | 64 | #endif |
a0d0e21e | 65 | |
dc45a647 MB |
66 | /* XXX Configure test needed. |
67 | h_errno might not be a simple 'int', especially for multi-threaded | |
5ff3f7a4 GS |
68 | applications, see "extern int errno in perl.h". Creating such |
69 | a test requires taking into account the differences between | |
70 | compiling multithreaded and singlethreaded ($ccflags et al). | |
71 | HOST_NOT_FOUND is typically defined in <netdb.h>. | |
dc45a647 | 72 | */ |
cb50131a | 73 | #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__) |
a0d0e21e LW |
74 | extern int h_errno; |
75 | #endif | |
76 | ||
77 | #ifdef HAS_PASSWD | |
78 | # ifdef I_PWD | |
79 | # include <pwd.h> | |
80 | # else | |
fd8cd3a3 | 81 | # if !defined(VMS) |
20ce7b12 GS |
82 | struct passwd *getpwnam (char *); |
83 | struct passwd *getpwuid (Uid_t); | |
fd8cd3a3 | 84 | # endif |
a0d0e21e | 85 | # endif |
28e8609d | 86 | # ifdef HAS_GETPWENT |
10bc17b6 | 87 | #ifndef getpwent |
20ce7b12 | 88 | struct passwd *getpwent (void); |
c2a8f790 | 89 | #elif defined (VMS) && defined (my_getpwent) |
9fa802f3 | 90 | struct passwd *Perl_my_getpwent (pTHX); |
10bc17b6 | 91 | #endif |
28e8609d | 92 | # endif |
a0d0e21e LW |
93 | #endif |
94 | ||
95 | #ifdef HAS_GROUP | |
96 | # ifdef I_GRP | |
97 | # include <grp.h> | |
98 | # else | |
20ce7b12 GS |
99 | struct group *getgrnam (char *); |
100 | struct group *getgrgid (Gid_t); | |
a0d0e21e | 101 | # endif |
28e8609d | 102 | # ifdef HAS_GETGRENT |
10bc17b6 | 103 | #ifndef getgrent |
20ce7b12 | 104 | struct group *getgrent (void); |
10bc17b6 | 105 | #endif |
28e8609d | 106 | # endif |
a0d0e21e LW |
107 | #endif |
108 | ||
109 | #ifdef I_UTIME | |
3730b96e | 110 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 111 | # include <sys/utime.h> |
112 | # else | |
113 | # include <utime.h> | |
114 | # endif | |
a0d0e21e | 115 | #endif |
a0d0e21e | 116 | |
cbdc8872 | 117 | #ifdef HAS_CHSIZE |
cd52b7b2 | 118 | # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ |
119 | # undef my_chsize | |
120 | # endif | |
72cc7e2a | 121 | # define my_chsize PerlLIO_chsize |
27da23d5 JH |
122 | #else |
123 | # ifdef HAS_TRUNCATE | |
124 | # define my_chsize PerlLIO_chsize | |
125 | # else | |
126 | I32 my_chsize(int fd, Off_t length); | |
127 | # endif | |
cbdc8872 | 128 | #endif |
129 | ||
ff68c719 | 130 | #ifdef HAS_FLOCK |
131 | # define FLOCK flock | |
132 | #else /* no flock() */ | |
133 | ||
36477c24 | 134 | /* fcntl.h might not have been included, even if it exists, because |
135 | the current Configure only sets I_FCNTL if it's needed to pick up | |
136 | the *_OK constants. Make sure it has been included before testing | |
137 | the fcntl() locking constants. */ | |
138 | # if defined(HAS_FCNTL) && !defined(I_FCNTL) | |
139 | # include <fcntl.h> | |
140 | # endif | |
141 | ||
9d9004a9 | 142 | # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK) |
ff68c719 | 143 | # define FLOCK fcntl_emulate_flock |
144 | # define FCNTL_EMULATE_FLOCK | |
145 | # else /* no flock() or fcntl(F_SETLK,...) */ | |
146 | # ifdef HAS_LOCKF | |
147 | # define FLOCK lockf_emulate_flock | |
148 | # define LOCKF_EMULATE_FLOCK | |
149 | # endif /* lockf */ | |
150 | # endif /* no flock() or fcntl(F_SETLK,...) */ | |
151 | ||
152 | # ifdef FLOCK | |
20ce7b12 | 153 | static int FLOCK (int, int); |
ff68c719 | 154 | |
155 | /* | |
156 | * These are the flock() constants. Since this sytems doesn't have | |
157 | * flock(), the values of the constants are probably not available. | |
158 | */ | |
159 | # ifndef LOCK_SH | |
160 | # define LOCK_SH 1 | |
161 | # endif | |
162 | # ifndef LOCK_EX | |
163 | # define LOCK_EX 2 | |
164 | # endif | |
165 | # ifndef LOCK_NB | |
166 | # define LOCK_NB 4 | |
167 | # endif | |
168 | # ifndef LOCK_UN | |
169 | # define LOCK_UN 8 | |
170 | # endif | |
171 | # endif /* emulating flock() */ | |
172 | ||
173 | #endif /* no flock() */ | |
55497cff | 174 | |
85ab1d1d | 175 | #define ZBTLEN 10 |
27da23d5 | 176 | static const char zero_but_true[ZBTLEN + 1] = "0 but true"; |
85ab1d1d | 177 | |
5ff3f7a4 GS |
178 | #if defined(I_SYS_ACCESS) && !defined(R_OK) |
179 | # include <sys/access.h> | |
180 | #endif | |
181 | ||
c529f79d CB |
182 | #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC) |
183 | # define FD_CLOEXEC 1 /* NeXT needs this */ | |
184 | #endif | |
185 | ||
a4af207c JH |
186 | #include "reentr.h" |
187 | ||
9cffb111 OS |
188 | #ifdef __Lynx__ |
189 | /* Missing protos on LynxOS */ | |
190 | void sethostent(int); | |
191 | void endhostent(void); | |
192 | void setnetent(int); | |
193 | void endnetent(void); | |
194 | void setprotoent(int); | |
195 | void endprotoent(void); | |
196 | void setservent(int); | |
197 | void endservent(void); | |
198 | #endif | |
199 | ||
faee0e31 | 200 | #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */ |
5ff3f7a4 | 201 | |
a4323dee MB |
202 | /* AIX 5.2 and below use mktime for localtime, and defines the edge case |
203 | * for time 0x7fffffff to be valid only in UTC. AIX 5.3 provides localtime64 | |
204 | * available in the 32bit environment, which could warrant Configure | |
205 | * checks in the future. | |
206 | */ | |
207 | #ifdef _AIX | |
208 | #define LOCALTIME_EDGECASE_BROKEN | |
209 | #endif | |
210 | ||
5ff3f7a4 GS |
211 | /* F_OK unused: if stat() cannot find it... */ |
212 | ||
d7558cad | 213 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) |
c955f117 | 214 | /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */ |
d7558cad | 215 | # define PERL_EFF_ACCESS(p,f) (access((p), (f) | EFF_ONLY_OK)) |
5ff3f7a4 GS |
216 | #endif |
217 | ||
d7558cad | 218 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_EACCESS) |
3813c136 | 219 | # ifdef I_SYS_SECURITY |
5ff3f7a4 GS |
220 | # include <sys/security.h> |
221 | # endif | |
c955f117 JH |
222 | # ifdef ACC_SELF |
223 | /* HP SecureWare */ | |
d7558cad | 224 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f), ACC_SELF)) |
c955f117 JH |
225 | # else |
226 | /* SCO */ | |
d7558cad | 227 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f))) |
c955f117 | 228 | # endif |
5ff3f7a4 GS |
229 | #endif |
230 | ||
d7558cad | 231 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESSX) && defined(ACC_SELF) |
c955f117 | 232 | /* AIX */ |
d7558cad | 233 | # define PERL_EFF_ACCESS(p,f) (accessx((p), (f), ACC_SELF)) |
5ff3f7a4 GS |
234 | #endif |
235 | ||
d7558cad NC |
236 | |
237 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) \ | |
327c3667 GS |
238 | && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \ |
239 | || defined(HAS_SETREGID) || defined(HAS_SETRESGID)) | |
5ff3f7a4 | 240 | /* The Hard Way. */ |
327c3667 | 241 | STATIC int |
7f4774ae | 242 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 243 | { |
c4420975 AL |
244 | const Uid_t ruid = getuid(); |
245 | const Uid_t euid = geteuid(); | |
246 | const Gid_t rgid = getgid(); | |
247 | const Gid_t egid = getegid(); | |
5ff3f7a4 GS |
248 | int res; |
249 | ||
146174a9 | 250 | LOCK_CRED_MUTEX; |
5ff3f7a4 | 251 | #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) |
cea2e8a9 | 252 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
253 | #else |
254 | #ifdef HAS_SETREUID | |
255 | if (setreuid(euid, ruid)) | |
256 | #else | |
257 | #ifdef HAS_SETRESUID | |
258 | if (setresuid(euid, ruid, (Uid_t)-1)) | |
259 | #endif | |
260 | #endif | |
cea2e8a9 | 261 | Perl_croak(aTHX_ "entering effective uid failed"); |
5ff3f7a4 GS |
262 | #endif |
263 | ||
264 | #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID) | |
cea2e8a9 | 265 | Perl_croak(aTHX_ "switching effective gid is not implemented"); |
5ff3f7a4 GS |
266 | #else |
267 | #ifdef HAS_SETREGID | |
268 | if (setregid(egid, rgid)) | |
269 | #else | |
270 | #ifdef HAS_SETRESGID | |
271 | if (setresgid(egid, rgid, (Gid_t)-1)) | |
272 | #endif | |
273 | #endif | |
cea2e8a9 | 274 | Perl_croak(aTHX_ "entering effective gid failed"); |
5ff3f7a4 GS |
275 | #endif |
276 | ||
277 | res = access(path, mode); | |
278 | ||
279 | #ifdef HAS_SETREUID | |
280 | if (setreuid(ruid, euid)) | |
281 | #else | |
282 | #ifdef HAS_SETRESUID | |
283 | if (setresuid(ruid, euid, (Uid_t)-1)) | |
284 | #endif | |
285 | #endif | |
cea2e8a9 | 286 | Perl_croak(aTHX_ "leaving effective uid failed"); |
5ff3f7a4 GS |
287 | |
288 | #ifdef HAS_SETREGID | |
289 | if (setregid(rgid, egid)) | |
290 | #else | |
291 | #ifdef HAS_SETRESGID | |
292 | if (setresgid(rgid, egid, (Gid_t)-1)) | |
293 | #endif | |
294 | #endif | |
cea2e8a9 | 295 | Perl_croak(aTHX_ "leaving effective gid failed"); |
146174a9 | 296 | UNLOCK_CRED_MUTEX; |
5ff3f7a4 GS |
297 | |
298 | return res; | |
299 | } | |
d7558cad | 300 | # define PERL_EFF_ACCESS(p,f) (emulate_eaccess((p), (f))) |
5ff3f7a4 GS |
301 | #endif |
302 | ||
faee0e31 | 303 | #if !defined(PERL_EFF_ACCESS) |
76ffd3b9 IZ |
304 | /* With it or without it: anyway you get a warning: either that |
305 | it is unused, or it is declared static and never defined. | |
306 | */ | |
327c3667 | 307 | STATIC int |
7f4774ae | 308 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 309 | { |
5d7488b2 AL |
310 | (void)path; |
311 | (void)mode; | |
cea2e8a9 | 312 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
313 | /*NOTREACHED*/ |
314 | return -1; | |
315 | } | |
316 | #endif | |
317 | ||
a0d0e21e LW |
318 | PP(pp_backtick) |
319 | { | |
97aff369 | 320 | dVAR; dSP; dTARGET; |
760ac839 | 321 | PerlIO *fp; |
1b6737cc | 322 | const char * const tmps = POPpconstx; |
f54cb97a | 323 | const I32 gimme = GIMME_V; |
e1ec3a88 | 324 | const char *mode = "r"; |
54310121 | 325 | |
a0d0e21e | 326 | TAINT_PROPER("``"); |
16fe6d59 GS |
327 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
328 | mode = "rb"; | |
329 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
330 | mode = "rt"; | |
2fbb330f | 331 | fp = PerlProc_popen(tmps, mode); |
a0d0e21e | 332 | if (fp) { |
7452cf6a | 333 | const char * const type = PL_curcop->cop_io ? SvPV_nolen_const(PL_curcop->cop_io) : NULL; |
ac27b0f5 NIS |
334 | if (type && *type) |
335 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
336 | ||
54310121 | 337 | if (gimme == G_VOID) { |
96827780 MB |
338 | char tmpbuf[256]; |
339 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
54310121 | 340 | ; |
341 | } | |
342 | else if (gimme == G_SCALAR) { | |
75af1a9c DM |
343 | ENTER; |
344 | SAVESPTR(PL_rs); | |
fa326138 | 345 | PL_rs = &PL_sv_undef; |
c69006e4 | 346 | sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */ |
a0d0e21e | 347 | while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch) |
a0d0e21e | 348 | ; |
75af1a9c | 349 | LEAVE; |
a0d0e21e | 350 | XPUSHs(TARG); |
aa689395 | 351 | SvTAINTED_on(TARG); |
a0d0e21e LW |
352 | } |
353 | else { | |
a0d0e21e | 354 | for (;;) { |
1b6737cc | 355 | SV * const sv = NEWSV(56, 79); |
a0d0e21e LW |
356 | if (sv_gets(sv, fp, 0) == Nullch) { |
357 | SvREFCNT_dec(sv); | |
358 | break; | |
359 | } | |
360 | XPUSHs(sv_2mortal(sv)); | |
361 | if (SvLEN(sv) - SvCUR(sv) > 20) { | |
1da4ca5f | 362 | SvPV_shrink_to_cur(sv); |
a0d0e21e | 363 | } |
aa689395 | 364 | SvTAINTED_on(sv); |
a0d0e21e LW |
365 | } |
366 | } | |
2fbb330f | 367 | STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp)); |
aa689395 | 368 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
369 | } |
370 | else { | |
37038d91 | 371 | STATUS_NATIVE_CHILD_SET(-1); |
54310121 | 372 | if (gimme == G_SCALAR) |
a0d0e21e LW |
373 | RETPUSHUNDEF; |
374 | } | |
375 | ||
376 | RETURN; | |
377 | } | |
378 | ||
379 | PP(pp_glob) | |
380 | { | |
27da23d5 | 381 | dVAR; |
a0d0e21e | 382 | OP *result; |
f5284f61 IZ |
383 | tryAMAGICunTARGET(iter, -1); |
384 | ||
71686f12 GS |
385 | /* Note that we only ever get here if File::Glob fails to load |
386 | * without at the same time croaking, for some reason, or if | |
387 | * perl was built with PERL_EXTERNAL_GLOB */ | |
388 | ||
a0d0e21e | 389 | ENTER; |
a0d0e21e | 390 | |
c90c0ff4 | 391 | #ifndef VMS |
3280af22 | 392 | if (PL_tainting) { |
7bac28a0 | 393 | /* |
394 | * The external globbing program may use things we can't control, | |
395 | * so for security reasons we must assume the worst. | |
396 | */ | |
397 | TAINT; | |
22c35a8c | 398 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 399 | } |
c90c0ff4 | 400 | #endif /* !VMS */ |
7bac28a0 | 401 | |
3280af22 NIS |
402 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
403 | PL_last_in_gv = (GV*)*PL_stack_sp--; | |
a0d0e21e | 404 | |
3280af22 | 405 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
396482e1 | 406 | PL_rs = sv_2mortal(newSVpvs("\000")); |
c07a80fd | 407 | #ifndef DOSISH |
408 | #ifndef CSH | |
6b88bc9c | 409 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 410 | #endif /* !CSH */ |
55497cff | 411 | #endif /* !DOSISH */ |
c07a80fd | 412 | |
a0d0e21e LW |
413 | result = do_readline(); |
414 | LEAVE; | |
415 | return result; | |
416 | } | |
417 | ||
a0d0e21e LW |
418 | PP(pp_rcatline) |
419 | { | |
97aff369 | 420 | dVAR; |
146174a9 | 421 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
422 | return do_readline(); |
423 | } | |
424 | ||
425 | PP(pp_warn) | |
426 | { | |
97aff369 | 427 | dVAR; dSP; dMARK; |
06bf62c7 | 428 | SV *tmpsv; |
e1ec3a88 | 429 | const char *tmps; |
06bf62c7 | 430 | STRLEN len; |
b59aed67 | 431 | if (SP - MARK > 1) { |
a0d0e21e | 432 | dTARGET; |
3280af22 | 433 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 434 | tmpsv = TARG; |
a0d0e21e LW |
435 | SP = MARK + 1; |
436 | } | |
b59aed67 TS |
437 | else if (SP == MARK) { |
438 | tmpsv = &PL_sv_no; | |
439 | EXTEND(SP, 1); | |
440 | } | |
a0d0e21e | 441 | else { |
06bf62c7 | 442 | tmpsv = TOPs; |
a0d0e21e | 443 | } |
e62f0680 | 444 | tmps = SvPV_const(tmpsv, len); |
7b102d90 | 445 | if ((!tmps || !len) && PL_errgv) { |
1b6737cc | 446 | SV * const error = ERRSV; |
862a34c6 | 447 | SvUPGRADE(error, SVt_PV); |
4e6ea2c3 | 448 | if (SvPOK(error) && SvCUR(error)) |
396482e1 | 449 | sv_catpvs(error, "\t...caught"); |
06bf62c7 | 450 | tmpsv = error; |
e62f0680 | 451 | tmps = SvPV_const(tmpsv, len); |
a0d0e21e | 452 | } |
06bf62c7 | 453 | if (!tmps || !len) |
396482e1 | 454 | tmpsv = sv_2mortal(newSVpvs("Warning: something's wrong")); |
06bf62c7 | 455 | |
cb50131a | 456 | Perl_warn(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
457 | RETSETYES; |
458 | } | |
459 | ||
460 | PP(pp_die) | |
461 | { | |
97aff369 | 462 | dVAR; dSP; dMARK; |
e1ec3a88 | 463 | const char *tmps; |
06bf62c7 GS |
464 | SV *tmpsv; |
465 | STRLEN len; | |
466 | bool multiarg = 0; | |
96e176bf CL |
467 | #ifdef VMS |
468 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); | |
469 | #endif | |
a0d0e21e LW |
470 | if (SP - MARK != 1) { |
471 | dTARGET; | |
3280af22 | 472 | do_join(TARG, &PL_sv_no, MARK, SP); |
06bf62c7 | 473 | tmpsv = TARG; |
5c144d81 | 474 | tmps = SvPV_const(tmpsv, len); |
06bf62c7 | 475 | multiarg = 1; |
a0d0e21e LW |
476 | SP = MARK + 1; |
477 | } | |
478 | else { | |
4e6ea2c3 | 479 | tmpsv = TOPs; |
5c144d81 | 480 | tmps = SvROK(tmpsv) ? Nullch : SvPV_const(tmpsv, len); |
a0d0e21e | 481 | } |
06bf62c7 | 482 | if (!tmps || !len) { |
0bcc34c2 | 483 | SV * const error = ERRSV; |
862a34c6 | 484 | SvUPGRADE(error, SVt_PV); |
06bf62c7 GS |
485 | if (multiarg ? SvROK(error) : SvROK(tmpsv)) { |
486 | if (!multiarg) | |
4e6ea2c3 | 487 | SvSetSV(error,tmpsv); |
06bf62c7 | 488 | else if (sv_isobject(error)) { |
7452cf6a AL |
489 | HV * const stash = SvSTASH(SvRV(error)); |
490 | GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); | |
05423cc9 | 491 | if (gv) { |
7452cf6a AL |
492 | SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); |
493 | SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); | |
05423cc9 GS |
494 | EXTEND(SP, 3); |
495 | PUSHMARK(SP); | |
496 | PUSHs(error); | |
497 | PUSHs(file); | |
498 | PUSHs(line); | |
499 | PUTBACK; | |
864dbfa3 GS |
500 | call_sv((SV*)GvCV(gv), |
501 | G_SCALAR|G_EVAL|G_KEEPERR); | |
3280af22 | 502 | sv_setsv(error,*PL_stack_sp--); |
05423cc9 GS |
503 | } |
504 | } | |
c3bdd826 | 505 | DIE(aTHX_ Nullch); |
4e6ea2c3 GS |
506 | } |
507 | else { | |
508 | if (SvPOK(error) && SvCUR(error)) | |
396482e1 | 509 | sv_catpvs(error, "\t...propagated"); |
06bf62c7 | 510 | tmpsv = error; |
dc8d642c DM |
511 | if (SvOK(tmpsv)) |
512 | tmps = SvPV_const(tmpsv, len); | |
513 | else | |
514 | tmps = Nullch; | |
4e6ea2c3 | 515 | } |
a0d0e21e | 516 | } |
06bf62c7 | 517 | if (!tmps || !len) |
396482e1 | 518 | tmpsv = sv_2mortal(newSVpvs("Died")); |
06bf62c7 | 519 | |
cb50131a | 520 | DIE(aTHX_ "%"SVf, tmpsv); |
a0d0e21e LW |
521 | } |
522 | ||
523 | /* I/O. */ | |
524 | ||
525 | PP(pp_open) | |
526 | { | |
27da23d5 | 527 | dVAR; dSP; |
a567e93b NIS |
528 | dMARK; dORIGMARK; |
529 | dTARGET; | |
a0d0e21e | 530 | SV *sv; |
5b468f54 | 531 | IO *io; |
5c144d81 | 532 | const char *tmps; |
a0d0e21e | 533 | STRLEN len; |
a567e93b | 534 | bool ok; |
a0d0e21e | 535 | |
c4420975 AL |
536 | GV * const gv = (GV *)*++MARK; |
537 | ||
5f05dabc | 538 | if (!isGV(gv)) |
cea2e8a9 | 539 | DIE(aTHX_ PL_no_usym, "filehandle"); |
5b468f54 | 540 | if ((io = GvIOp(gv))) |
36477c24 | 541 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 542 | |
c4420975 AL |
543 | if (io) { |
544 | MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); | |
545 | if (mg) { | |
546 | /* Method's args are same as ours ... */ | |
547 | /* ... except handle is replaced by the object */ | |
548 | *MARK-- = SvTIED_obj((SV*)io, mg); | |
549 | PUSHMARK(MARK); | |
550 | PUTBACK; | |
551 | ENTER; | |
552 | call_method("OPEN", G_SCALAR); | |
553 | LEAVE; | |
554 | SPAGAIN; | |
555 | RETURN; | |
556 | } | |
4592e6ca NIS |
557 | } |
558 | ||
a567e93b NIS |
559 | if (MARK < SP) { |
560 | sv = *++MARK; | |
561 | } | |
562 | else { | |
35a08ec7 | 563 | sv = GvSVn(gv); |
a567e93b NIS |
564 | } |
565 | ||
5c144d81 | 566 | tmps = SvPV_const(sv, len); |
2fbb330f | 567 | ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK)); |
a567e93b NIS |
568 | SP = ORIGMARK; |
569 | if (ok) | |
3280af22 NIS |
570 | PUSHi( (I32)PL_forkprocess ); |
571 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
572 | PUSHi(0); |
573 | else | |
574 | RETPUSHUNDEF; | |
575 | RETURN; | |
576 | } | |
577 | ||
578 | PP(pp_close) | |
579 | { | |
27da23d5 | 580 | dVAR; dSP; |
5b468f54 | 581 | IO *io; |
1d603a67 | 582 | MAGIC *mg; |
c4420975 | 583 | GV * const gv = (MAXARG == 0) ? PL_defoutgv : (GV*)POPs; |
1d603a67 | 584 | |
5b468f54 AMS |
585 | if (gv && (io = GvIO(gv)) |
586 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
587 | { | |
1d603a67 | 588 | PUSHMARK(SP); |
5b468f54 | 589 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
1d603a67 GB |
590 | PUTBACK; |
591 | ENTER; | |
864dbfa3 | 592 | call_method("CLOSE", G_SCALAR); |
1d603a67 GB |
593 | LEAVE; |
594 | SPAGAIN; | |
595 | RETURN; | |
596 | } | |
a0d0e21e | 597 | EXTEND(SP, 1); |
54310121 | 598 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
599 | RETURN; |
600 | } | |
601 | ||
602 | PP(pp_pipe_op) | |
603 | { | |
a0d0e21e | 604 | #ifdef HAS_PIPE |
97aff369 | 605 | dVAR; |
9cad6237 | 606 | dSP; |
a0d0e21e LW |
607 | register IO *rstio; |
608 | register IO *wstio; | |
609 | int fd[2]; | |
610 | ||
c4420975 AL |
611 | GV * const wgv = (GV*)POPs; |
612 | GV * const rgv = (GV*)POPs; | |
a0d0e21e LW |
613 | |
614 | if (!rgv || !wgv) | |
615 | goto badexit; | |
616 | ||
4633a7c4 | 617 | if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV) |
cea2e8a9 | 618 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
619 | rstio = GvIOn(rgv); |
620 | wstio = GvIOn(wgv); | |
621 | ||
622 | if (IoIFP(rstio)) | |
623 | do_close(rgv, FALSE); | |
624 | if (IoIFP(wstio)) | |
625 | do_close(wgv, FALSE); | |
626 | ||
6ad3d225 | 627 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
628 | goto badexit; |
629 | ||
460c8493 IZ |
630 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE); |
631 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE); | |
b5ac89c3 | 632 | IoOFP(rstio) = IoIFP(rstio); |
a0d0e21e | 633 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
634 | IoTYPE(rstio) = IoTYPE_RDONLY; |
635 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
636 | |
637 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
760ac839 | 638 | if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio)); |
6ad3d225 | 639 | else PerlLIO_close(fd[0]); |
760ac839 | 640 | if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio)); |
6ad3d225 | 641 | else PerlLIO_close(fd[1]); |
a0d0e21e LW |
642 | goto badexit; |
643 | } | |
4771b018 GS |
644 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
645 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
646 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
647 | #endif | |
a0d0e21e LW |
648 | RETPUSHYES; |
649 | ||
650 | badexit: | |
651 | RETPUSHUNDEF; | |
652 | #else | |
cea2e8a9 | 653 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
654 | #endif |
655 | } | |
656 | ||
657 | PP(pp_fileno) | |
658 | { | |
27da23d5 | 659 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
660 | GV *gv; |
661 | IO *io; | |
760ac839 | 662 | PerlIO *fp; |
4592e6ca NIS |
663 | MAGIC *mg; |
664 | ||
a0d0e21e LW |
665 | if (MAXARG < 1) |
666 | RETPUSHUNDEF; | |
667 | gv = (GV*)POPs; | |
4592e6ca | 668 | |
5b468f54 AMS |
669 | if (gv && (io = GvIO(gv)) |
670 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
671 | { | |
4592e6ca | 672 | PUSHMARK(SP); |
5b468f54 | 673 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
674 | PUTBACK; |
675 | ENTER; | |
864dbfa3 | 676 | call_method("FILENO", G_SCALAR); |
4592e6ca NIS |
677 | LEAVE; |
678 | SPAGAIN; | |
679 | RETURN; | |
680 | } | |
681 | ||
c289d2f7 JH |
682 | if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
683 | /* Can't do this because people seem to do things like | |
684 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
685 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
686 | report_evil_fh(gv, io, PL_op->op_type); | |
687 | */ | |
a0d0e21e | 688 | RETPUSHUNDEF; |
c289d2f7 JH |
689 | } |
690 | ||
760ac839 | 691 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
692 | RETURN; |
693 | } | |
694 | ||
695 | PP(pp_umask) | |
696 | { | |
97aff369 | 697 | dVAR; |
27da23d5 | 698 | dSP; |
d7e492a4 | 699 | #ifdef HAS_UMASK |
27da23d5 | 700 | dTARGET; |
761237fe | 701 | Mode_t anum; |
a0d0e21e | 702 | |
a0d0e21e | 703 | if (MAXARG < 1) { |
6ad3d225 GS |
704 | anum = PerlLIO_umask(0); |
705 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
706 | } |
707 | else | |
6ad3d225 | 708 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
709 | TAINT_PROPER("umask"); |
710 | XPUSHi(anum); | |
711 | #else | |
a0288114 | 712 | /* Only DIE if trying to restrict permissions on "user" (self). |
eec2d3df GS |
713 | * Otherwise it's harmless and more useful to just return undef |
714 | * since 'group' and 'other' concepts probably don't exist here. */ | |
715 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 716 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 717 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
718 | #endif |
719 | RETURN; | |
720 | } | |
721 | ||
722 | PP(pp_binmode) | |
723 | { | |
27da23d5 | 724 | dVAR; dSP; |
a0d0e21e LW |
725 | GV *gv; |
726 | IO *io; | |
760ac839 | 727 | PerlIO *fp; |
4592e6ca | 728 | MAGIC *mg; |
16fe6d59 | 729 | SV *discp = Nullsv; |
a0d0e21e LW |
730 | |
731 | if (MAXARG < 1) | |
732 | RETPUSHUNDEF; | |
60382766 | 733 | if (MAXARG > 1) { |
16fe6d59 | 734 | discp = POPs; |
60382766 | 735 | } |
a0d0e21e | 736 | |
301e8125 | 737 | gv = (GV*)POPs; |
4592e6ca | 738 | |
5b468f54 AMS |
739 | if (gv && (io = GvIO(gv)) |
740 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
741 | { | |
4592e6ca | 742 | PUSHMARK(SP); |
5b468f54 | 743 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
16fe6d59 GS |
744 | if (discp) |
745 | XPUSHs(discp); | |
4592e6ca NIS |
746 | PUTBACK; |
747 | ENTER; | |
864dbfa3 | 748 | call_method("BINMODE", G_SCALAR); |
4592e6ca NIS |
749 | LEAVE; |
750 | SPAGAIN; | |
751 | RETURN; | |
752 | } | |
a0d0e21e LW |
753 | |
754 | EXTEND(SP, 1); | |
50f846a7 | 755 | if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) { |
c289d2f7 JH |
756 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
757 | report_evil_fh(gv, io, PL_op->op_type); | |
b5fe5ca2 | 758 | SETERRNO(EBADF,RMS_IFI); |
50f846a7 SC |
759 | RETPUSHUNDEF; |
760 | } | |
a0d0e21e | 761 | |
40d98b49 | 762 | PUTBACK; |
60382766 | 763 | if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp), |
e62f0680 | 764 | (discp) ? SvPV_nolen_const(discp) : Nullch)) { |
38af81ff JH |
765 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { |
766 | if (!PerlIO_binmode(aTHX_ IoOFP(io),IoTYPE(io), | |
767 | mode_from_discipline(discp), | |
e62f0680 | 768 | (discp) ? SvPV_nolen_const(discp) : Nullch)) { |
38af81ff JH |
769 | SPAGAIN; |
770 | RETPUSHUNDEF; | |
771 | } | |
772 | } | |
40d98b49 | 773 | SPAGAIN; |
a0d0e21e | 774 | RETPUSHYES; |
40d98b49 JH |
775 | } |
776 | else { | |
777 | SPAGAIN; | |
a0d0e21e | 778 | RETPUSHUNDEF; |
40d98b49 | 779 | } |
a0d0e21e LW |
780 | } |
781 | ||
782 | PP(pp_tie) | |
783 | { | |
27da23d5 | 784 | dVAR; dSP; dMARK; |
a0d0e21e LW |
785 | HV* stash; |
786 | GV *gv; | |
a0d0e21e | 787 | SV *sv; |
1df70142 | 788 | const I32 markoff = MARK - PL_stack_base; |
e1ec3a88 | 789 | const char *methname; |
14befaf4 | 790 | int how = PERL_MAGIC_tied; |
e336de0d | 791 | U32 items; |
c4420975 | 792 | SV *varsv = *++MARK; |
a0d0e21e | 793 | |
6b05c17a NIS |
794 | switch(SvTYPE(varsv)) { |
795 | case SVt_PVHV: | |
796 | methname = "TIEHASH"; | |
bfcb3514 | 797 | HvEITER_set((HV *)varsv, 0); |
6b05c17a NIS |
798 | break; |
799 | case SVt_PVAV: | |
800 | methname = "TIEARRAY"; | |
801 | break; | |
802 | case SVt_PVGV: | |
7fb37951 AMS |
803 | #ifdef GV_UNIQUE_CHECK |
804 | if (GvUNIQUE((GV*)varsv)) { | |
805 | Perl_croak(aTHX_ "Attempt to tie unique GV"); | |
5bd07a3d DM |
806 | } |
807 | #endif | |
6b05c17a | 808 | methname = "TIEHANDLE"; |
14befaf4 | 809 | how = PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
810 | /* For tied filehandles, we apply tiedscalar magic to the IO |
811 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
812 | if (!GvIOp(varsv)) | |
813 | GvIOp(varsv) = newIO(); | |
814 | varsv = (SV *)GvIOp(varsv); | |
6b05c17a NIS |
815 | break; |
816 | default: | |
817 | methname = "TIESCALAR"; | |
14befaf4 | 818 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
819 | break; |
820 | } | |
e336de0d GS |
821 | items = SP - MARK++; |
822 | if (sv_isobject(*MARK)) { | |
6b05c17a | 823 | ENTER; |
e788e7d3 | 824 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 825 | PUSHMARK(SP); |
eb160463 | 826 | EXTEND(SP,(I32)items); |
e336de0d GS |
827 | while (items--) |
828 | PUSHs(*MARK++); | |
829 | PUTBACK; | |
864dbfa3 | 830 | call_method(methname, G_SCALAR); |
301e8125 | 831 | } |
6b05c17a | 832 | else { |
864dbfa3 | 833 | /* Not clear why we don't call call_method here too. |
6b05c17a NIS |
834 | * perhaps to get different error message ? |
835 | */ | |
e336de0d | 836 | stash = gv_stashsv(*MARK, FALSE); |
6b05c17a | 837 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
35c1215d NC |
838 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", |
839 | methname, *MARK); | |
6b05c17a NIS |
840 | } |
841 | ENTER; | |
e788e7d3 | 842 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 843 | PUSHMARK(SP); |
eb160463 | 844 | EXTEND(SP,(I32)items); |
e336de0d GS |
845 | while (items--) |
846 | PUSHs(*MARK++); | |
847 | PUTBACK; | |
864dbfa3 | 848 | call_sv((SV*)GvCV(gv), G_SCALAR); |
6b05c17a | 849 | } |
a0d0e21e LW |
850 | SPAGAIN; |
851 | ||
852 | sv = TOPs; | |
d3acc0f7 | 853 | POPSTACK; |
a0d0e21e | 854 | if (sv_isobject(sv)) { |
33c27489 | 855 | sv_unmagic(varsv, how); |
ae21d580 | 856 | /* Croak if a self-tie on an aggregate is attempted. */ |
b881518d | 857 | if (varsv == SvRV(sv) && |
d87ebaca YST |
858 | (SvTYPE(varsv) == SVt_PVAV || |
859 | SvTYPE(varsv) == SVt_PVHV)) | |
ae21d580 JH |
860 | Perl_croak(aTHX_ |
861 | "Self-ties of arrays and hashes are not supported"); | |
d87ebaca | 862 | sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0); |
a0d0e21e LW |
863 | } |
864 | LEAVE; | |
3280af22 | 865 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
866 | PUSHs(sv); |
867 | RETURN; | |
868 | } | |
869 | ||
870 | PP(pp_untie) | |
871 | { | |
27da23d5 | 872 | dVAR; dSP; |
5b468f54 | 873 | MAGIC *mg; |
33c27489 | 874 | SV *sv = POPs; |
1df70142 | 875 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 876 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
55497cff | 877 | |
5b468f54 AMS |
878 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) |
879 | RETPUSHYES; | |
880 | ||
65eba18f | 881 | if ((mg = SvTIED_mg(sv, how))) { |
1b6737cc | 882 | SV * const obj = SvRV(SvTIED_obj(sv, mg)); |
fa2b88e0 | 883 | if (obj) { |
c4420975 | 884 | GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE); |
0bd48802 | 885 | CV *cv; |
c4420975 | 886 | if (gv && isGV(gv) && (cv = GvCV(gv))) { |
fa2b88e0 JS |
887 | PUSHMARK(SP); |
888 | XPUSHs(SvTIED_obj((SV*)gv, mg)); | |
889 | XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1))); | |
890 | PUTBACK; | |
891 | ENTER; | |
892 | call_sv((SV *)cv, G_VOID); | |
893 | LEAVE; | |
894 | SPAGAIN; | |
895 | } | |
041457d9 | 896 | else if (mg && SvREFCNT(obj) > 1 && ckWARN(WARN_UNTIE)) { |
9014280d | 897 | Perl_warner(aTHX_ packWARN(WARN_UNTIE), |
fa2b88e0 JS |
898 | "untie attempted while %"UVuf" inner references still exist", |
899 | (UV)SvREFCNT(obj) - 1 ) ; | |
c4420975 | 900 | } |
cbdc8872 | 901 | } |
902 | } | |
38193a09 | 903 | sv_unmagic(sv, how) ; |
55497cff | 904 | RETPUSHYES; |
a0d0e21e LW |
905 | } |
906 | ||
c07a80fd | 907 | PP(pp_tied) |
908 | { | |
97aff369 | 909 | dVAR; |
39644a26 | 910 | dSP; |
1b6737cc | 911 | const MAGIC *mg; |
33c27489 | 912 | SV *sv = POPs; |
1df70142 | 913 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 914 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
5b468f54 AMS |
915 | |
916 | if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv))) | |
917 | RETPUSHUNDEF; | |
c07a80fd | 918 | |
155aba94 | 919 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
920 | SV *osv = SvTIED_obj(sv, mg); |
921 | if (osv == mg->mg_obj) | |
922 | osv = sv_mortalcopy(osv); | |
923 | PUSHs(osv); | |
924 | RETURN; | |
c07a80fd | 925 | } |
c07a80fd | 926 | RETPUSHUNDEF; |
927 | } | |
928 | ||
a0d0e21e LW |
929 | PP(pp_dbmopen) |
930 | { | |
27da23d5 | 931 | dVAR; dSP; |
a0d0e21e LW |
932 | dPOPPOPssrl; |
933 | HV* stash; | |
934 | GV *gv; | |
a0d0e21e | 935 | |
1b6737cc | 936 | HV * const hv = (HV*)POPs; |
c4420975 | 937 | SV * const sv = sv_mortalcopy(&PL_sv_no); |
a0d0e21e | 938 | |
a0d0e21e LW |
939 | sv_setpv(sv, "AnyDBM_File"); |
940 | stash = gv_stashsv(sv, FALSE); | |
8ebc5c01 | 941 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 942 | PUTBACK; |
864dbfa3 | 943 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 944 | SPAGAIN; |
8ebc5c01 | 945 | if (!(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 946 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
947 | } |
948 | ||
57d3b86d | 949 | ENTER; |
924508f0 | 950 | PUSHMARK(SP); |
6b05c17a | 951 | |
924508f0 | 952 | EXTEND(SP, 5); |
a0d0e21e LW |
953 | PUSHs(sv); |
954 | PUSHs(left); | |
955 | if (SvIV(right)) | |
b448e4fe | 956 | PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT))); |
a0d0e21e | 957 | else |
b448e4fe | 958 | PUSHs(sv_2mortal(newSVuv(O_RDWR))); |
a0d0e21e | 959 | PUSHs(right); |
57d3b86d | 960 | PUTBACK; |
864dbfa3 | 961 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
962 | SPAGAIN; |
963 | ||
964 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
965 | SP--; |
966 | PUSHMARK(SP); | |
a0d0e21e LW |
967 | PUSHs(sv); |
968 | PUSHs(left); | |
b448e4fe | 969 | PUSHs(sv_2mortal(newSVuv(O_RDONLY))); |
a0d0e21e | 970 | PUSHs(right); |
a0d0e21e | 971 | PUTBACK; |
864dbfa3 | 972 | call_sv((SV*)GvCV(gv), G_SCALAR); |
a0d0e21e LW |
973 | SPAGAIN; |
974 | } | |
975 | ||
6b05c17a | 976 | if (sv_isobject(TOPs)) { |
14befaf4 DM |
977 | sv_unmagic((SV *) hv, PERL_MAGIC_tied); |
978 | sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0); | |
6b05c17a | 979 | } |
a0d0e21e LW |
980 | LEAVE; |
981 | RETURN; | |
982 | } | |
983 | ||
a0d0e21e LW |
984 | PP(pp_sselect) |
985 | { | |
a0d0e21e | 986 | #ifdef HAS_SELECT |
97aff369 | 987 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
988 | register I32 i; |
989 | register I32 j; | |
990 | register char *s; | |
991 | register SV *sv; | |
65202027 | 992 | NV value; |
a0d0e21e LW |
993 | I32 maxlen = 0; |
994 | I32 nfound; | |
995 | struct timeval timebuf; | |
996 | struct timeval *tbuf = &timebuf; | |
997 | I32 growsize; | |
998 | char *fd_sets[4]; | |
999 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1000 | I32 masksize; | |
1001 | I32 offset; | |
1002 | I32 k; | |
1003 | ||
1004 | # if BYTEORDER & 0xf0000 | |
1005 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
1006 | # else | |
1007 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
1008 | # endif | |
1009 | ||
1010 | #endif | |
1011 | ||
1012 | SP -= 4; | |
1013 | for (i = 1; i <= 3; i++) { | |
c4420975 | 1014 | SV * const sv = SP[i]; |
15547071 GA |
1015 | if (!SvOK(sv)) |
1016 | continue; | |
1017 | if (SvREADONLY(sv)) { | |
729c079f NC |
1018 | if (SvIsCOW(sv)) |
1019 | sv_force_normal_flags(sv, 0); | |
15547071 | 1020 | if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0)) |
729c079f NC |
1021 | DIE(aTHX_ PL_no_modify); |
1022 | } | |
4ef2275c GA |
1023 | if (!SvPOK(sv)) { |
1024 | if (ckWARN(WARN_MISC)) | |
1025 | Perl_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); | |
1026 | SvPV_force_nolen(sv); /* force string conversion */ | |
1027 | } | |
729c079f | 1028 | j = SvCUR(sv); |
a0d0e21e LW |
1029 | if (maxlen < j) |
1030 | maxlen = j; | |
1031 | } | |
1032 | ||
5ff3f7a4 | 1033 | /* little endians can use vecs directly */ |
e366b469 | 1034 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 1035 | # ifdef NFDBITS |
a0d0e21e | 1036 | |
5ff3f7a4 GS |
1037 | # ifndef NBBY |
1038 | # define NBBY 8 | |
1039 | # endif | |
a0d0e21e LW |
1040 | |
1041 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1042 | # else |
a0d0e21e | 1043 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1044 | # endif |
a0d0e21e LW |
1045 | Zero(&fd_sets[0], 4, char*); |
1046 | #endif | |
1047 | ||
ad517f75 MHM |
1048 | # if SELECT_MIN_BITS == 1 |
1049 | growsize = sizeof(fd_set); | |
1050 | # else | |
1051 | # if defined(__GLIBC__) && defined(__FD_SETSIZE) | |
1052 | # undef SELECT_MIN_BITS | |
1053 | # define SELECT_MIN_BITS __FD_SETSIZE | |
1054 | # endif | |
e366b469 PG |
1055 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
1056 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1057 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
1058 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates | |
1059 | * on (sets/tests/clears bits) is 32 bits. */ | |
1060 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
e366b469 PG |
1061 | # endif |
1062 | ||
a0d0e21e LW |
1063 | sv = SP[4]; |
1064 | if (SvOK(sv)) { | |
1065 | value = SvNV(sv); | |
1066 | if (value < 0.0) | |
1067 | value = 0.0; | |
1068 | timebuf.tv_sec = (long)value; | |
65202027 | 1069 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1070 | timebuf.tv_usec = (long)(value * 1000000.0); |
1071 | } | |
1072 | else | |
1073 | tbuf = Null(struct timeval*); | |
1074 | ||
1075 | for (i = 1; i <= 3; i++) { | |
1076 | sv = SP[i]; | |
15547071 | 1077 | if (!SvOK(sv) || SvCUR(sv) == 0) { |
a0d0e21e LW |
1078 | fd_sets[i] = 0; |
1079 | continue; | |
1080 | } | |
4ef2275c | 1081 | assert(SvPOK(sv)); |
a0d0e21e LW |
1082 | j = SvLEN(sv); |
1083 | if (j < growsize) { | |
1084 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1085 | } |
c07a80fd | 1086 | j = SvCUR(sv); |
1087 | s = SvPVX(sv) + j; | |
1088 | while (++j <= growsize) { | |
1089 | *s++ = '\0'; | |
1090 | } | |
1091 | ||
a0d0e21e LW |
1092 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1093 | s = SvPVX(sv); | |
a02a5408 | 1094 | Newx(fd_sets[i], growsize, char); |
a0d0e21e LW |
1095 | for (offset = 0; offset < growsize; offset += masksize) { |
1096 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1097 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1098 | } | |
1099 | #else | |
1100 | fd_sets[i] = SvPVX(sv); | |
1101 | #endif | |
1102 | } | |
1103 | ||
dc4c69d9 JH |
1104 | #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST |
1105 | /* Can't make just the (void*) conditional because that would be | |
1106 | * cpp #if within cpp macro, and not all compilers like that. */ | |
1107 | nfound = PerlSock_select( | |
1108 | maxlen * 8, | |
1109 | (Select_fd_set_t) fd_sets[1], | |
1110 | (Select_fd_set_t) fd_sets[2], | |
1111 | (Select_fd_set_t) fd_sets[3], | |
1112 | (void*) tbuf); /* Workaround for compiler bug. */ | |
1113 | #else | |
6ad3d225 | 1114 | nfound = PerlSock_select( |
a0d0e21e LW |
1115 | maxlen * 8, |
1116 | (Select_fd_set_t) fd_sets[1], | |
1117 | (Select_fd_set_t) fd_sets[2], | |
1118 | (Select_fd_set_t) fd_sets[3], | |
1119 | tbuf); | |
dc4c69d9 | 1120 | #endif |
a0d0e21e LW |
1121 | for (i = 1; i <= 3; i++) { |
1122 | if (fd_sets[i]) { | |
1123 | sv = SP[i]; | |
1124 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1125 | s = SvPVX(sv); | |
1126 | for (offset = 0; offset < growsize; offset += masksize) { | |
1127 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1128 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1129 | } | |
1130 | Safefree(fd_sets[i]); | |
1131 | #endif | |
1132 | SvSETMAGIC(sv); | |
1133 | } | |
1134 | } | |
1135 | ||
4189264e | 1136 | PUSHi(nfound); |
a0d0e21e | 1137 | if (GIMME == G_ARRAY && tbuf) { |
65202027 DS |
1138 | value = (NV)(timebuf.tv_sec) + |
1139 | (NV)(timebuf.tv_usec) / 1000000.0; | |
3280af22 | 1140 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
1141 | sv_setnv(sv, value); |
1142 | } | |
1143 | RETURN; | |
1144 | #else | |
cea2e8a9 | 1145 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1146 | #endif |
1147 | } | |
1148 | ||
4633a7c4 | 1149 | void |
864dbfa3 | 1150 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 | 1151 | { |
97aff369 | 1152 | dVAR; |
4633a7c4 LW |
1153 | if (gv) |
1154 | (void)SvREFCNT_inc(gv); | |
3280af22 NIS |
1155 | if (PL_defoutgv) |
1156 | SvREFCNT_dec(PL_defoutgv); | |
1157 | PL_defoutgv = gv; | |
4633a7c4 LW |
1158 | } |
1159 | ||
a0d0e21e LW |
1160 | PP(pp_select) |
1161 | { | |
97aff369 | 1162 | dVAR; dSP; dTARGET; |
4633a7c4 | 1163 | HV *hv; |
1df70142 | 1164 | GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL; |
7452cf6a | 1165 | GV * egv = GvEGV(PL_defoutgv); |
4633a7c4 | 1166 | |
4633a7c4 | 1167 | if (!egv) |
3280af22 | 1168 | egv = PL_defoutgv; |
4633a7c4 LW |
1169 | hv = GvSTASH(egv); |
1170 | if (! hv) | |
3280af22 | 1171 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1172 | else { |
c4420975 | 1173 | GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1174 | if (gvp && *gvp == egv) { |
f7aaccc2 | 1175 | gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE); |
f86702cc | 1176 | XPUSHTARG; |
1177 | } | |
1178 | else { | |
1179 | XPUSHs(sv_2mortal(newRV((SV*)egv))); | |
1180 | } | |
4633a7c4 LW |
1181 | } |
1182 | ||
1183 | if (newdefout) { | |
ded8aa31 GS |
1184 | if (!GvIO(newdefout)) |
1185 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1186 | setdefout(newdefout); |
1187 | } | |
1188 | ||
a0d0e21e LW |
1189 | RETURN; |
1190 | } | |
1191 | ||
1192 | PP(pp_getc) | |
1193 | { | |
27da23d5 | 1194 | dVAR; dSP; dTARGET; |
90133b69 | 1195 | IO *io = NULL; |
2ae324a7 | 1196 | MAGIC *mg; |
1b6737cc | 1197 | GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs; |
2ae324a7 | 1198 | |
5b468f54 AMS |
1199 | if (gv && (io = GvIO(gv)) |
1200 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1201 | { | |
f54cb97a | 1202 | const I32 gimme = GIMME_V; |
2ae324a7 | 1203 | PUSHMARK(SP); |
5b468f54 | 1204 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
2ae324a7 | 1205 | PUTBACK; |
1206 | ENTER; | |
864dbfa3 | 1207 | call_method("GETC", gimme); |
2ae324a7 | 1208 | LEAVE; |
1209 | SPAGAIN; | |
54310121 | 1210 | if (gimme == G_SCALAR) |
1211 | SvSetMagicSV_nosteal(TARG, TOPs); | |
2ae324a7 | 1212 | RETURN; |
1213 | } | |
90133b69 | 1214 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
041457d9 DM |
1215 | if ((!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)) |
1216 | && ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
90133b69 | 1217 | report_evil_fh(gv, io, PL_op->op_type); |
b5fe5ca2 | 1218 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1219 | RETPUSHUNDEF; |
90133b69 | 1220 | } |
bbce6d69 | 1221 | TAINT; |
c69006e4 | 1222 | sv_setpvn(TARG, " ", 1); |
9bc64814 | 1223 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1224 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1225 | /* Find out how many bytes the char needs */ | |
aa07b2f6 | 1226 | Size_t len = UTF8SKIP(SvPVX_const(TARG)); |
7d59b7e4 NIS |
1227 | if (len > 1) { |
1228 | SvGROW(TARG,len+1); | |
1229 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1230 | SvCUR_set(TARG,1+len); | |
1231 | } | |
1232 | SvUTF8_on(TARG); | |
1233 | } | |
a0d0e21e LW |
1234 | PUSHTARG; |
1235 | RETURN; | |
1236 | } | |
1237 | ||
76e3520e | 1238 | STATIC OP * |
cea2e8a9 | 1239 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1240 | { |
27da23d5 | 1241 | dVAR; |
c09156bb | 1242 | register PERL_CONTEXT *cx; |
f54cb97a | 1243 | const I32 gimme = GIMME_V; |
a0d0e21e LW |
1244 | |
1245 | ENTER; | |
1246 | SAVETMPS; | |
1247 | ||
146174a9 | 1248 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
a0d0e21e | 1249 | PUSHFORMAT(cx); |
f39bc417 | 1250 | cx->blk_sub.retop = retop; |
fd617465 DM |
1251 | SAVECOMPPAD(); |
1252 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
a0d0e21e | 1253 | |
4633a7c4 | 1254 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1255 | return CvSTART(cv); |
1256 | } | |
1257 | ||
1258 | PP(pp_enterwrite) | |
1259 | { | |
97aff369 | 1260 | dVAR; |
39644a26 | 1261 | dSP; |
a0d0e21e LW |
1262 | register GV *gv; |
1263 | register IO *io; | |
1264 | GV *fgv; | |
1265 | CV *cv; | |
1266 | ||
1267 | if (MAXARG == 0) | |
3280af22 | 1268 | gv = PL_defoutgv; |
a0d0e21e LW |
1269 | else { |
1270 | gv = (GV*)POPs; | |
1271 | if (!gv) | |
3280af22 | 1272 | gv = PL_defoutgv; |
a0d0e21e LW |
1273 | } |
1274 | EXTEND(SP, 1); | |
1275 | io = GvIO(gv); | |
1276 | if (!io) { | |
1277 | RETPUSHNO; | |
1278 | } | |
1279 | if (IoFMT_GV(io)) | |
1280 | fgv = IoFMT_GV(io); | |
1281 | else | |
1282 | fgv = gv; | |
1283 | ||
1284 | cv = GvFORM(fgv); | |
a0d0e21e LW |
1285 | if (!cv) { |
1286 | if (fgv) { | |
1df70142 | 1287 | SV * const tmpsv = sv_newmortal(); |
e62f0680 | 1288 | const char *name; |
43693395 | 1289 | gv_efullname4(tmpsv, fgv, Nullch, FALSE); |
e62f0680 | 1290 | name = SvPV_nolen_const(tmpsv); |
1df70142 AL |
1291 | if (name && *name) |
1292 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
a0d0e21e | 1293 | } |
cea2e8a9 | 1294 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1295 | } |
44a8e56a | 1296 | if (CvCLONE(cv)) |
1297 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
a0d0e21e | 1298 | |
44a8e56a | 1299 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1300 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1301 | } |
1302 | ||
1303 | PP(pp_leavewrite) | |
1304 | { | |
27da23d5 | 1305 | dVAR; dSP; |
1b6737cc AL |
1306 | GV * const gv = cxstack[cxstack_ix].blk_sub.gv; |
1307 | register IO * const io = GvIOp(gv); | |
1308 | PerlIO * const ofp = IoOFP(io); | |
760ac839 | 1309 | PerlIO *fp; |
8772537c AL |
1310 | SV **newsp; |
1311 | I32 gimme; | |
c09156bb | 1312 | register PERL_CONTEXT *cx; |
a0d0e21e | 1313 | |
760ac839 | 1314 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1315 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
7ef822cd JH |
1316 | if (!io || !ofp) |
1317 | goto forget_top; | |
3280af22 NIS |
1318 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1319 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1320 | { |
4633a7c4 LW |
1321 | GV *fgv; |
1322 | CV *cv; | |
a0d0e21e LW |
1323 | if (!IoTOP_GV(io)) { |
1324 | GV *topgv; | |
a0d0e21e LW |
1325 | |
1326 | if (!IoTOP_NAME(io)) { | |
1b6737cc | 1327 | SV *topname; |
a0d0e21e LW |
1328 | if (!IoFMT_NAME(io)) |
1329 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
0bd0581c | 1330 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv))); |
f776e3cd | 1331 | topgv = gv_fetchsv(topname, 0, SVt_PVFM); |
748a9306 | 1332 | if ((topgv && GvFORM(topgv)) || |
f776e3cd | 1333 | !gv_fetchpv("top", 0, SVt_PVFM)) |
2e0de35c | 1334 | IoTOP_NAME(io) = savesvpv(topname); |
a0d0e21e | 1335 | else |
89529cee | 1336 | IoTOP_NAME(io) = savepvs("top"); |
a0d0e21e | 1337 | } |
f776e3cd | 1338 | topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM); |
a0d0e21e | 1339 | if (!topgv || !GvFORM(topgv)) { |
b929a54b | 1340 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
a0d0e21e LW |
1341 | goto forget_top; |
1342 | } | |
1343 | IoTOP_GV(io) = topgv; | |
1344 | } | |
748a9306 LW |
1345 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1346 | I32 lines = IoLINES_LEFT(io); | |
504618e9 | 1347 | const char *s = SvPVX_const(PL_formtarget); |
8e07c86e AD |
1348 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1349 | goto forget_top; | |
748a9306 LW |
1350 | while (lines-- > 0) { |
1351 | s = strchr(s, '\n'); | |
1352 | if (!s) | |
1353 | break; | |
1354 | s++; | |
1355 | } | |
1356 | if (s) { | |
f54cb97a | 1357 | const STRLEN save = SvCUR(PL_formtarget); |
aa07b2f6 | 1358 | SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget)); |
d75029d0 NIS |
1359 | do_print(PL_formtarget, ofp); |
1360 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1361 | sv_chop(PL_formtarget, s); |
1362 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1363 | } |
1364 | } | |
a0d0e21e | 1365 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1366 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1367 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1368 | IoPAGE(io)++; | |
3280af22 | 1369 | PL_formtarget = PL_toptarget; |
748a9306 | 1370 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1371 | fgv = IoTOP_GV(io); |
1372 | if (!fgv) | |
cea2e8a9 | 1373 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1374 | cv = GvFORM(fgv); |
1df70142 AL |
1375 | if (!cv) { |
1376 | SV * const sv = sv_newmortal(); | |
b464bac0 | 1377 | const char *name; |
1df70142 | 1378 | gv_efullname4(sv, fgv, Nullch, FALSE); |
e62f0680 | 1379 | name = SvPV_nolen_const(sv); |
2dd78f96 | 1380 | if (name && *name) |
1df70142 | 1381 | DIE(aTHX_ "Undefined top format \"%s\" called",name); |
4633a7c4 | 1382 | } |
1df70142 AL |
1383 | /* why no: |
1384 | else | |
1385 | DIE(aTHX_ "Undefined top format called"); | |
1386 | ?*/ | |
44a8e56a | 1387 | if (CvCLONE(cv)) |
1388 | cv = (CV*)sv_2mortal((SV*)cv_clone(cv)); | |
533c011a | 1389 | return doform(cv,gv,PL_op); |
a0d0e21e LW |
1390 | } |
1391 | ||
1392 | forget_top: | |
3280af22 | 1393 | POPBLOCK(cx,PL_curpm); |
a0d0e21e LW |
1394 | POPFORMAT(cx); |
1395 | LEAVE; | |
1396 | ||
1397 | fp = IoOFP(io); | |
1398 | if (!fp) { | |
599cee73 | 1399 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
6e6ef6b2 NC |
1400 | if (IoIFP(io)) |
1401 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1402 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1403 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1404 | } |
3280af22 | 1405 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1406 | } |
1407 | else { | |
3280af22 | 1408 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
599cee73 | 1409 | if (ckWARN(WARN_IO)) |
9014280d | 1410 | Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1411 | } |
d75029d0 | 1412 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1413 | PUSHs(&PL_sv_no); |
a0d0e21e | 1414 | else { |
3280af22 NIS |
1415 | FmLINES(PL_formtarget) = 0; |
1416 | SvCUR_set(PL_formtarget, 0); | |
1417 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1418 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1419 | (void)PerlIO_flush(fp); |
3280af22 | 1420 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1421 | } |
1422 | } | |
9cbac4c7 | 1423 | /* bad_ofp: */ |
3280af22 | 1424 | PL_formtarget = PL_bodytarget; |
a0d0e21e | 1425 | PUTBACK; |
29033a8a SH |
1426 | PERL_UNUSED_VAR(newsp); |
1427 | PERL_UNUSED_VAR(gimme); | |
f39bc417 | 1428 | return cx->blk_sub.retop; |
a0d0e21e LW |
1429 | } |
1430 | ||
1431 | PP(pp_prtf) | |
1432 | { | |
27da23d5 | 1433 | dVAR; dSP; dMARK; dORIGMARK; |
a0d0e21e | 1434 | IO *io; |
760ac839 | 1435 | PerlIO *fp; |
26db47c4 | 1436 | SV *sv; |
46fc3d4c | 1437 | MAGIC *mg; |
a0d0e21e | 1438 | |
c4420975 | 1439 | GV * const gv = (PL_op->op_flags & OPf_STACKED) ? (GV*)*++MARK : PL_defoutgv; |
46fc3d4c | 1440 | |
5b468f54 AMS |
1441 | if (gv && (io = GvIO(gv)) |
1442 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1443 | { | |
46fc3d4c | 1444 | if (MARK == ORIGMARK) { |
4352c267 | 1445 | MEXTEND(SP, 1); |
46fc3d4c | 1446 | ++MARK; |
1447 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1448 | ++SP; | |
1449 | } | |
1450 | PUSHMARK(MARK - 1); | |
5b468f54 | 1451 | *MARK = SvTIED_obj((SV*)io, mg); |
46fc3d4c | 1452 | PUTBACK; |
1453 | ENTER; | |
864dbfa3 | 1454 | call_method("PRINTF", G_SCALAR); |
46fc3d4c | 1455 | LEAVE; |
1456 | SPAGAIN; | |
1457 | MARK = ORIGMARK + 1; | |
1458 | *MARK = *SP; | |
1459 | SP = MARK; | |
1460 | RETURN; | |
1461 | } | |
1462 | ||
26db47c4 | 1463 | sv = NEWSV(0,0); |
a0d0e21e | 1464 | if (!(io = GvIO(gv))) { |
2dd78f96 JH |
1465 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
1466 | report_evil_fh(gv, io, PL_op->op_type); | |
93189314 | 1467 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
1468 | goto just_say_no; |
1469 | } | |
1470 | else if (!(fp = IoOFP(io))) { | |
599cee73 | 1471 | if (ckWARN2(WARN_CLOSED,WARN_IO)) { |
6e6ef6b2 NC |
1472 | if (IoIFP(io)) |
1473 | report_evil_fh(gv, io, OP_phoney_INPUT_ONLY); | |
599cee73 | 1474 | else if (ckWARN(WARN_CLOSED)) |
bc37a18f | 1475 | report_evil_fh(gv, io, PL_op->op_type); |
a0d0e21e | 1476 | } |
93189314 | 1477 | SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI); |
a0d0e21e LW |
1478 | goto just_say_no; |
1479 | } | |
1480 | else { | |
1481 | do_sprintf(sv, SP - MARK, MARK + 1); | |
1482 | if (!do_print(sv, fp)) | |
1483 | goto just_say_no; | |
1484 | ||
1485 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1486 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1487 | goto just_say_no; |
1488 | } | |
1489 | SvREFCNT_dec(sv); | |
1490 | SP = ORIGMARK; | |
3280af22 | 1491 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1492 | RETURN; |
1493 | ||
1494 | just_say_no: | |
1495 | SvREFCNT_dec(sv); | |
1496 | SP = ORIGMARK; | |
3280af22 | 1497 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1498 | RETURN; |
1499 | } | |
1500 | ||
c07a80fd | 1501 | PP(pp_sysopen) |
1502 | { | |
97aff369 | 1503 | dVAR; |
39644a26 | 1504 | dSP; |
1df70142 AL |
1505 | const int perm = (MAXARG > 3) ? POPi : 0666; |
1506 | const int mode = POPi; | |
1b6737cc AL |
1507 | SV * const sv = POPs; |
1508 | GV * const gv = (GV *)POPs; | |
1509 | STRLEN len; | |
c07a80fd | 1510 | |
4592e6ca | 1511 | /* Need TIEHANDLE method ? */ |
1b6737cc | 1512 | const char * const tmps = SvPV_const(sv, len); |
e62f0680 | 1513 | /* FIXME? do_open should do const */ |
2fbb330f | 1514 | if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) { |
c07a80fd | 1515 | IoLINES(GvIOp(gv)) = 0; |
3280af22 | 1516 | PUSHs(&PL_sv_yes); |
c07a80fd | 1517 | } |
1518 | else { | |
3280af22 | 1519 | PUSHs(&PL_sv_undef); |
c07a80fd | 1520 | } |
1521 | RETURN; | |
1522 | } | |
1523 | ||
a0d0e21e LW |
1524 | PP(pp_sysread) |
1525 | { | |
27da23d5 | 1526 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1527 | int offset; |
a0d0e21e LW |
1528 | IO *io; |
1529 | char *buffer; | |
5b54f415 | 1530 | SSize_t length; |
eb5c063a | 1531 | SSize_t count; |
1e422769 | 1532 | Sock_size_t bufsize; |
748a9306 | 1533 | SV *bufsv; |
a0d0e21e | 1534 | STRLEN blen; |
eb5c063a | 1535 | int fp_utf8; |
1dd30107 NC |
1536 | int buffer_utf8; |
1537 | SV *read_target; | |
eb5c063a NIS |
1538 | Size_t got = 0; |
1539 | Size_t wanted; | |
1d636c13 | 1540 | bool charstart = FALSE; |
87330c3c JH |
1541 | STRLEN charskip = 0; |
1542 | STRLEN skip = 0; | |
a0d0e21e | 1543 | |
1b6737cc | 1544 | GV * const gv = (GV*)*++MARK; |
5b468f54 | 1545 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1b6737cc | 1546 | && gv && (io = GvIO(gv)) ) |
137443ea | 1547 | { |
1b6737cc AL |
1548 | const MAGIC * mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar); |
1549 | if (mg) { | |
1550 | SV *sv; | |
1551 | PUSHMARK(MARK-1); | |
1552 | *MARK = SvTIED_obj((SV*)io, mg); | |
1553 | ENTER; | |
1554 | call_method("READ", G_SCALAR); | |
1555 | LEAVE; | |
1556 | SPAGAIN; | |
1557 | sv = POPs; | |
1558 | SP = ORIGMARK; | |
1559 | PUSHs(sv); | |
1560 | RETURN; | |
1561 | } | |
2ae324a7 | 1562 | } |
1563 | ||
a0d0e21e LW |
1564 | if (!gv) |
1565 | goto say_undef; | |
748a9306 | 1566 | bufsv = *++MARK; |
ff68c719 | 1567 | if (! SvOK(bufsv)) |
1568 | sv_setpvn(bufsv, "", 0); | |
a0d0e21e | 1569 | length = SvIVx(*++MARK); |
748a9306 | 1570 | SETERRNO(0,0); |
a0d0e21e LW |
1571 | if (MARK < SP) |
1572 | offset = SvIVx(*++MARK); | |
1573 | else | |
1574 | offset = 0; | |
1575 | io = GvIO(gv); | |
b5fe5ca2 SR |
1576 | if (!io || !IoIFP(io)) { |
1577 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
1578 | report_evil_fh(gv, io, PL_op->op_type); | |
1579 | SETERRNO(EBADF,RMS_IFI); | |
a0d0e21e | 1580 | goto say_undef; |
b5fe5ca2 | 1581 | } |
0064a8a9 | 1582 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1583 | buffer = SvPVutf8_force(bufsv, blen); |
1e54db1a | 1584 | /* UTF-8 may not have been set if they are all low bytes */ |
eb5c063a | 1585 | SvUTF8_on(bufsv); |
9b9d7ce8 | 1586 | buffer_utf8 = 0; |
7d59b7e4 NIS |
1587 | } |
1588 | else { | |
1589 | buffer = SvPV_force(bufsv, blen); | |
1dd30107 | 1590 | buffer_utf8 = !IN_BYTES && SvUTF8(bufsv); |
7d59b7e4 NIS |
1591 | } |
1592 | if (length < 0) | |
1593 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1594 | wanted = length; |
7d59b7e4 | 1595 | |
d0965105 JH |
1596 | charstart = TRUE; |
1597 | charskip = 0; | |
87330c3c | 1598 | skip = 0; |
d0965105 | 1599 | |
a0d0e21e | 1600 | #ifdef HAS_SOCKET |
533c011a | 1601 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1602 | char namebuf[MAXPATHLEN]; |
17a8c7ba | 1603 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) |
490ab354 JH |
1604 | bufsize = sizeof (struct sockaddr_in); |
1605 | #else | |
46fc3d4c | 1606 | bufsize = sizeof namebuf; |
490ab354 | 1607 | #endif |
abf95952 IZ |
1608 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1609 | if (bufsize >= 256) | |
1610 | bufsize = 255; | |
1611 | #endif | |
eb160463 | 1612 | buffer = SvGROW(bufsv, (STRLEN)(length+1)); |
bbce6d69 | 1613 | /* 'offset' means 'flags' here */ |
eb5c063a | 1614 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
46fc3d4c | 1615 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1616 | if (count < 0) |
a0d0e21e | 1617 | RETPUSHUNDEF; |
4107cc59 OF |
1618 | #ifdef EPOC |
1619 | /* Bogus return without padding */ | |
1620 | bufsize = sizeof (struct sockaddr_in); | |
1621 | #endif | |
eb5c063a | 1622 | SvCUR_set(bufsv, count); |
748a9306 LW |
1623 | *SvEND(bufsv) = '\0'; |
1624 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1625 | if (fp_utf8) |
1626 | SvUTF8_on(bufsv); | |
748a9306 | 1627 | SvSETMAGIC(bufsv); |
aac0dd9a | 1628 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1629 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1630 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1631 | SP = ORIGMARK; |
46fc3d4c | 1632 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1633 | PUSHs(TARG); |
1634 | RETURN; | |
1635 | } | |
1636 | #else | |
911d147d | 1637 | if (PL_op->op_type == OP_RECV) |
cea2e8a9 | 1638 | DIE(aTHX_ PL_no_sock_func, "recv"); |
a0d0e21e | 1639 | #endif |
eb5c063a NIS |
1640 | if (DO_UTF8(bufsv)) { |
1641 | /* offset adjust in characters not bytes */ | |
1642 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1643 | } |
bbce6d69 | 1644 | if (offset < 0) { |
eb160463 | 1645 | if (-offset > (int)blen) |
cea2e8a9 | 1646 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1647 | offset += blen; |
1648 | } | |
eb5c063a NIS |
1649 | if (DO_UTF8(bufsv)) { |
1650 | /* convert offset-as-chars to offset-as-bytes */ | |
6960c29a CH |
1651 | if (offset >= (int)blen) |
1652 | offset += SvCUR(bufsv) - blen; | |
1653 | else | |
1654 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
eb5c063a NIS |
1655 | } |
1656 | more_bytes: | |
cd52b7b2 | 1657 | bufsize = SvCUR(bufsv); |
1dd30107 NC |
1658 | /* Allocating length + offset + 1 isn't perfect in the case of reading |
1659 | bytes from a byte file handle into a UTF8 buffer, but it won't harm us | |
1660 | unduly. | |
1661 | (should be 2 * length + offset + 1, or possibly something longer if | |
1662 | PL_encoding is true) */ | |
eb160463 | 1663 | buffer = SvGROW(bufsv, (STRLEN)(length+offset+1)); |
27da23d5 | 1664 | if (offset > 0 && (Sock_size_t)offset > bufsize) { /* Zero any newly allocated space */ |
cd52b7b2 | 1665 | Zero(buffer+bufsize, offset-bufsize, char); |
1666 | } | |
eb5c063a | 1667 | buffer = buffer + offset; |
1dd30107 NC |
1668 | if (!buffer_utf8) { |
1669 | read_target = bufsv; | |
1670 | } else { | |
1671 | /* Best to read the bytes into a new SV, upgrade that to UTF8, then | |
1672 | concatenate it to the current buffer. */ | |
1673 | ||
1674 | /* Truncate the existing buffer to the start of where we will be | |
1675 | reading to: */ | |
1676 | SvCUR_set(bufsv, offset); | |
1677 | ||
1678 | read_target = sv_newmortal(); | |
862a34c6 | 1679 | SvUPGRADE(read_target, SVt_PV); |
fe2774ed | 1680 | buffer = SvGROW(read_target, (STRLEN)(length + 1)); |
1dd30107 | 1681 | } |
eb5c063a | 1682 | |
533c011a | 1683 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1684 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1685 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1686 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1687 | buffer, length, 0); | |
a7092146 GS |
1688 | } |
1689 | else | |
1690 | #endif | |
1691 | { | |
eb5c063a NIS |
1692 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1693 | buffer, length); | |
a7092146 | 1694 | } |
a0d0e21e LW |
1695 | } |
1696 | else | |
1697 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1698 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1699 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1700 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1701 | bufsize = sizeof (struct sockaddr_in); | |
1702 | #else | |
46fc3d4c | 1703 | bufsize = sizeof namebuf; |
490ab354 | 1704 | #endif |
eb5c063a | 1705 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1706 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1707 | } |
1708 | else | |
1709 | #endif | |
3b02c43c | 1710 | { |
eb5c063a NIS |
1711 | count = PerlIO_read(IoIFP(io), buffer, length); |
1712 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1713 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1714 | count = -1; | |
3b02c43c | 1715 | } |
eb5c063a | 1716 | if (count < 0) { |
a00b5bd3 | 1717 | if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO)) |
6e6ef6b2 | 1718 | report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY); |
a0d0e21e | 1719 | goto say_undef; |
af8c498a | 1720 | } |
aa07b2f6 | 1721 | SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target))); |
1dd30107 NC |
1722 | *SvEND(read_target) = '\0'; |
1723 | (void)SvPOK_only(read_target); | |
0064a8a9 | 1724 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a | 1725 | /* Look at utf8 we got back and count the characters */ |
1df70142 | 1726 | const char *bend = buffer + count; |
eb5c063a | 1727 | while (buffer < bend) { |
d0965105 JH |
1728 | if (charstart) { |
1729 | skip = UTF8SKIP(buffer); | |
1730 | charskip = 0; | |
1731 | } | |
1732 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1733 | /* partial character - try for rest of it */ |
1734 | length = skip - (bend-buffer); | |
aa07b2f6 | 1735 | offset = bend - SvPVX_const(bufsv); |
d0965105 JH |
1736 | charstart = FALSE; |
1737 | charskip += count; | |
eb5c063a NIS |
1738 | goto more_bytes; |
1739 | } | |
1740 | else { | |
1741 | got++; | |
1742 | buffer += skip; | |
d0965105 JH |
1743 | charstart = TRUE; |
1744 | charskip = 0; | |
eb5c063a NIS |
1745 | } |
1746 | } | |
1747 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1748 | provided amount read (count) was what was requested (length) | |
1749 | */ | |
1750 | if (got < wanted && count == length) { | |
d0965105 | 1751 | length = wanted - got; |
aa07b2f6 | 1752 | offset = bend - SvPVX_const(bufsv); |
eb5c063a NIS |
1753 | goto more_bytes; |
1754 | } | |
1755 | /* return value is character count */ | |
1756 | count = got; | |
1757 | SvUTF8_on(bufsv); | |
1758 | } | |
1dd30107 NC |
1759 | else if (buffer_utf8) { |
1760 | /* Let svcatsv upgrade the bytes we read in to utf8. | |
1761 | The buffer is a mortal so will be freed soon. */ | |
1762 | sv_catsv_nomg(bufsv, read_target); | |
1763 | } | |
748a9306 | 1764 | SvSETMAGIC(bufsv); |
aac0dd9a | 1765 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1766 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1767 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1768 | SP = ORIGMARK; |
eb5c063a | 1769 | PUSHi(count); |
a0d0e21e LW |
1770 | RETURN; |
1771 | ||
1772 | say_undef: | |
1773 | SP = ORIGMARK; | |
1774 | RETPUSHUNDEF; | |
1775 | } | |
1776 | ||
a0d0e21e LW |
1777 | PP(pp_send) |
1778 | { | |
27da23d5 | 1779 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1780 | IO *io; |
748a9306 | 1781 | SV *bufsv; |
83003860 | 1782 | const char *buffer; |
64a1bc8e | 1783 | Size_t length = 0; |
8c99d73e | 1784 | SSize_t retval; |
a0d0e21e | 1785 | STRLEN blen; |
1d603a67 | 1786 | MAGIC *mg; |
64a1bc8e NC |
1787 | const int op_type = PL_op->op_type; |
1788 | ||
7452cf6a | 1789 | GV *const gv = (GV*)*++MARK; |
14befaf4 | 1790 | if (PL_op->op_type == OP_SYSWRITE |
5b468f54 AMS |
1791 | && gv && (io = GvIO(gv)) |
1792 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
14befaf4 | 1793 | { |
1d603a67 | 1794 | SV *sv; |
64a1bc8e NC |
1795 | |
1796 | if (MARK == SP - 1) { | |
1797 | EXTEND(SP, 1000); | |
1798 | sv = sv_2mortal(newSViv(sv_len(*SP))); | |
1799 | PUSHs(sv); | |
1800 | PUTBACK; | |
1801 | } | |
1d603a67 | 1802 | |
64a1bc8e NC |
1803 | PUSHMARK(ORIGMARK); |
1804 | *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg); | |
1d603a67 | 1805 | ENTER; |
864dbfa3 | 1806 | call_method("WRITE", G_SCALAR); |
1d603a67 GB |
1807 | LEAVE; |
1808 | SPAGAIN; | |
1809 | sv = POPs; | |
1810 | SP = ORIGMARK; | |
1811 | PUSHs(sv); | |
1812 | RETURN; | |
1813 | } | |
a0d0e21e LW |
1814 | if (!gv) |
1815 | goto say_undef; | |
64a1bc8e | 1816 | |
748a9306 | 1817 | bufsv = *++MARK; |
64a1bc8e NC |
1818 | |
1819 | if (op_type == OP_SYSWRITE) { | |
1820 | if (MARK >= SP) { | |
1821 | length = (Size_t) sv_len(bufsv); | |
1822 | } else { | |
8c99d73e | 1823 | #if Size_t_size > IVSIZE |
64a1bc8e | 1824 | length = (Size_t)SvNVx(*++MARK); |
146174a9 | 1825 | #else |
64a1bc8e | 1826 | length = (Size_t)SvIVx(*++MARK); |
146174a9 | 1827 | #endif |
64a1bc8e NC |
1828 | if ((SSize_t)length < 0) |
1829 | DIE(aTHX_ "Negative length"); | |
1830 | } | |
1831 | } | |
748a9306 | 1832 | SETERRNO(0,0); |
a0d0e21e LW |
1833 | io = GvIO(gv); |
1834 | if (!io || !IoIFP(io)) { | |
8c99d73e | 1835 | retval = -1; |
bc37a18f RG |
1836 | if (ckWARN(WARN_CLOSED)) |
1837 | report_evil_fh(gv, io, PL_op->op_type); | |
b5fe5ca2 | 1838 | SETERRNO(EBADF,RMS_IFI); |
7d59b7e4 NIS |
1839 | goto say_undef; |
1840 | } | |
1841 | ||
1842 | if (PerlIO_isutf8(IoIFP(io))) { | |
6aa2f6a7 NC |
1843 | if (!SvUTF8(bufsv)) { |
1844 | bufsv = sv_2mortal(newSVsv(bufsv)); | |
1845 | buffer = sv_2pvutf8(bufsv, &blen); | |
1846 | } else | |
83003860 | 1847 | buffer = SvPV_const(bufsv, blen); |
a0d0e21e | 1848 | } |
7d59b7e4 | 1849 | else { |
4de5f5ca JH |
1850 | if (DO_UTF8(bufsv)) { |
1851 | /* Not modifying source SV, so making a temporary copy. */ | |
1852 | bufsv = sv_2mortal(newSVsv(bufsv)); | |
1853 | sv_utf8_downgrade(bufsv, FALSE); | |
1854 | } | |
83003860 | 1855 | buffer = SvPV_const(bufsv, blen); |
7d59b7e4 NIS |
1856 | } |
1857 | ||
64a1bc8e | 1858 | if (op_type == OP_SYSWRITE) { |
7d59b7e4 NIS |
1859 | IV offset; |
1860 | if (DO_UTF8(bufsv)) { | |
1861 | /* length and offset are in chars */ | |
1862 | blen = sv_len_utf8(bufsv); | |
1863 | } | |
bbce6d69 | 1864 | if (MARK < SP) { |
a0d0e21e | 1865 | offset = SvIVx(*++MARK); |
bbce6d69 | 1866 | if (offset < 0) { |
eb160463 | 1867 | if (-offset > (IV)blen) |
cea2e8a9 | 1868 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1869 | offset += blen; |
eb160463 | 1870 | } else if (offset >= (IV)blen && blen > 0) |
cea2e8a9 | 1871 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1872 | } else |
a0d0e21e LW |
1873 | offset = 0; |
1874 | if (length > blen - offset) | |
1875 | length = blen - offset; | |
7d59b7e4 | 1876 | if (DO_UTF8(bufsv)) { |
83003860 | 1877 | buffer = (const char*)utf8_hop((const U8 *)buffer, offset); |
7d59b7e4 NIS |
1878 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; |
1879 | } | |
1880 | else { | |
1881 | buffer = buffer+offset; | |
1882 | } | |
a7092146 | 1883 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1884 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1885 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1886 | buffer, length, 0); |
a7092146 GS |
1887 | } |
1888 | else | |
1889 | #endif | |
1890 | { | |
94e4c244 | 1891 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1892 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1893 | buffer, length); |
a7092146 | 1894 | } |
a0d0e21e LW |
1895 | } |
1896 | #ifdef HAS_SOCKET | |
64a1bc8e NC |
1897 | else { |
1898 | const int flags = SvIVx(*++MARK); | |
1899 | if (SP > MARK) { | |
1900 | STRLEN mlen; | |
1901 | char * const sockbuf = SvPVx(*++MARK, mlen); | |
1902 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, | |
1903 | flags, (struct sockaddr *)sockbuf, mlen); | |
1904 | } | |
1905 | else { | |
1906 | retval | |
1907 | = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags); | |
1908 | } | |
a0d0e21e | 1909 | } |
a0d0e21e LW |
1910 | #else |
1911 | else | |
cea2e8a9 | 1912 | DIE(aTHX_ PL_no_sock_func, "send"); |
a0d0e21e | 1913 | #endif |
8c99d73e | 1914 | if (retval < 0) |
a0d0e21e LW |
1915 | goto say_undef; |
1916 | SP = ORIGMARK; | |
f36eea10 JH |
1917 | if (DO_UTF8(bufsv)) |
1918 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); | |
8c99d73e GS |
1919 | #if Size_t_size > IVSIZE |
1920 | PUSHn(retval); | |
1921 | #else | |
1922 | PUSHi(retval); | |
1923 | #endif | |
a0d0e21e LW |
1924 | RETURN; |
1925 | ||
1926 | say_undef: | |
1927 | SP = ORIGMARK; | |
1928 | RETPUSHUNDEF; | |
1929 | } | |
1930 | ||
a0d0e21e LW |
1931 | PP(pp_eof) |
1932 | { | |
27da23d5 | 1933 | dVAR; dSP; |
a0d0e21e | 1934 | GV *gv; |
5b468f54 | 1935 | IO *io; |
4592e6ca | 1936 | MAGIC *mg; |
a0d0e21e | 1937 | |
32da55ab | 1938 | if (MAXARG == 0) { |
146174a9 CB |
1939 | if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */ |
1940 | IO *io; | |
ed2c6b9b | 1941 | gv = PL_last_in_gv = GvEGV(PL_argvgv); |
146174a9 CB |
1942 | io = GvIO(gv); |
1943 | if (io && !IoIFP(io)) { | |
1944 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
1945 | IoLINES(io) = 0; | |
1946 | IoFLAGS(io) &= ~IOf_START; | |
2fbb330f | 1947 | do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp); |
146174a9 CB |
1948 | sv_setpvn(GvSV(gv), "-", 1); |
1949 | SvSETMAGIC(GvSV(gv)); | |
1950 | } | |
1951 | else if (!nextargv(gv)) | |
1952 | RETPUSHYES; | |
1953 | } | |
1954 | } | |
1955 | else | |
1956 | gv = PL_last_in_gv; /* eof */ | |
1957 | } | |
a0d0e21e | 1958 | else |
146174a9 | 1959 | gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */ |
4592e6ca | 1960 | |
5b468f54 AMS |
1961 | if (gv && (io = GvIO(gv)) |
1962 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1963 | { | |
4592e6ca | 1964 | PUSHMARK(SP); |
5b468f54 | 1965 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1966 | PUTBACK; |
1967 | ENTER; | |
864dbfa3 | 1968 | call_method("EOF", G_SCALAR); |
4592e6ca NIS |
1969 | LEAVE; |
1970 | SPAGAIN; | |
1971 | RETURN; | |
1972 | } | |
1973 | ||
54310121 | 1974 | PUSHs(boolSV(!gv || do_eof(gv))); |
a0d0e21e LW |
1975 | RETURN; |
1976 | } | |
1977 | ||
1978 | PP(pp_tell) | |
1979 | { | |
27da23d5 | 1980 | dVAR; dSP; dTARGET; |
301e8125 | 1981 | GV *gv; |
5b468f54 | 1982 | IO *io; |
4592e6ca | 1983 | MAGIC *mg; |
a0d0e21e | 1984 | |
c4420975 AL |
1985 | if (MAXARG != 0) |
1986 | PL_last_in_gv = (GV*)POPs; | |
1987 | gv = PL_last_in_gv; | |
4592e6ca | 1988 | |
5b468f54 AMS |
1989 | if (gv && (io = GvIO(gv)) |
1990 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
1991 | { | |
4592e6ca | 1992 | PUSHMARK(SP); |
5b468f54 | 1993 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
4592e6ca NIS |
1994 | PUTBACK; |
1995 | ENTER; | |
864dbfa3 | 1996 | call_method("TELL", G_SCALAR); |
4592e6ca NIS |
1997 | LEAVE; |
1998 | SPAGAIN; | |
1999 | RETURN; | |
2000 | } | |
2001 | ||
146174a9 CB |
2002 | #if LSEEKSIZE > IVSIZE |
2003 | PUSHn( do_tell(gv) ); | |
2004 | #else | |
a0d0e21e | 2005 | PUSHi( do_tell(gv) ); |
146174a9 | 2006 | #endif |
a0d0e21e LW |
2007 | RETURN; |
2008 | } | |
2009 | ||
137443ea | 2010 | PP(pp_sysseek) |
2011 | { | |
27da23d5 | 2012 | dVAR; dSP; |
5b468f54 | 2013 | IO *io; |
1df70142 | 2014 | const int whence = POPi; |
146174a9 | 2015 | #if LSEEKSIZE > IVSIZE |
7452cf6a | 2016 | const Off_t offset = (Off_t)SvNVx(POPs); |
146174a9 | 2017 | #else |
7452cf6a | 2018 | const Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 2019 | #endif |
4592e6ca | 2020 | MAGIC *mg; |
a0d0e21e | 2021 | |
7452cf6a | 2022 | GV * const gv = PL_last_in_gv = (GV*)POPs; |
4592e6ca | 2023 | |
5b468f54 AMS |
2024 | if (gv && (io = GvIO(gv)) |
2025 | && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) | |
2026 | { | |
4592e6ca | 2027 | PUSHMARK(SP); |
5b468f54 | 2028 | XPUSHs(SvTIED_obj((SV*)io, mg)); |
cb50131a CB |
2029 | #if LSEEKSIZE > IVSIZE |
2030 | XPUSHs(sv_2mortal(newSVnv((NV) offset))); | |
2031 | #else | |
b448e4fe | 2032 | XPUSHs(sv_2mortal(newSViv(offset))); |
cb50131a | 2033 | #endif |
b448e4fe | 2034 | XPUSHs(sv_2mortal(newSViv(whence))); |
4592e6ca NIS |
2035 | PUTBACK; |
2036 | ENTER; | |
864dbfa3 | 2037 | call_method("SEEK", G_SCALAR); |
4592e6ca NIS |
2038 | LEAVE; |
2039 | SPAGAIN; | |
2040 | RETURN; | |
2041 | } | |
2042 | ||
533c011a | 2043 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2044 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2045 | else { | |
0bcc34c2 | 2046 | const Off_t sought = do_sysseek(gv, offset, whence); |
b448e4fe | 2047 | if (sought < 0) |
146174a9 CB |
2048 | PUSHs(&PL_sv_undef); |
2049 | else { | |
7452cf6a | 2050 | SV* const sv = sought ? |
146174a9 | 2051 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2052 | newSVnv((NV)sought) |
146174a9 | 2053 | #else |
b448e4fe | 2054 | newSViv(sought) |
146174a9 CB |
2055 | #endif |
2056 | : newSVpvn(zero_but_true, ZBTLEN); | |
2057 | PUSHs(sv_2mortal(sv)); | |
2058 | } | |
8903cb82 | 2059 | } |
a0d0e21e LW |
2060 | RETURN; |
2061 | } | |
2062 | ||
2063 | PP(pp_truncate) | |
2064 | { | |
97aff369 | 2065 | dVAR; |
39644a26 | 2066 | dSP; |
8c99d73e GS |
2067 | /* There seems to be no consensus on the length type of truncate() |
2068 | * and ftruncate(), both off_t and size_t have supporters. In | |
2069 | * general one would think that when using large files, off_t is | |
2070 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2071 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
0bcc34c2 | 2072 | Off_t len; |
a0d0e21e | 2073 | |
25342a55 | 2074 | #if Off_t_size > IVSIZE |
0bcc34c2 | 2075 | len = (Off_t)POPn; |
8c99d73e | 2076 | #else |
0bcc34c2 | 2077 | len = (Off_t)POPi; |
8c99d73e GS |
2078 | #endif |
2079 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2080 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2081 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2082 | SETERRNO(0,0); |
d05c1ba0 | 2083 | { |
d05c1ba0 JH |
2084 | int result = 1; |
2085 | GV *tmpgv; | |
090bf15b SR |
2086 | IO *io; |
2087 | ||
d05c1ba0 | 2088 | if (PL_op->op_flags & OPf_SPECIAL) { |
f776e3cd | 2089 | tmpgv = gv_fetchsv(POPs, 0, SVt_PVIO); |
d05c1ba0 | 2090 | |
090bf15b SR |
2091 | do_ftruncate_gv: |
2092 | if (!GvIO(tmpgv)) | |
2093 | result = 0; | |
d05c1ba0 | 2094 | else { |
090bf15b SR |
2095 | PerlIO *fp; |
2096 | io = GvIOp(tmpgv); | |
2097 | do_ftruncate_io: | |
2098 | TAINT_PROPER("truncate"); | |
2099 | if (!(fp = IoIFP(io))) { | |
2100 | result = 0; | |
2101 | } | |
2102 | else { | |
2103 | PerlIO_flush(fp); | |
cbdc8872 | 2104 | #ifdef HAS_TRUNCATE |
090bf15b | 2105 | if (ftruncate(PerlIO_fileno(fp), len) < 0) |
301e8125 | 2106 | #else |
090bf15b | 2107 | if (my_chsize(PerlIO_fileno(fp), len) < 0) |
cbdc8872 | 2108 | #endif |
090bf15b SR |
2109 | result = 0; |
2110 | } | |
d05c1ba0 | 2111 | } |
cbdc8872 | 2112 | } |
d05c1ba0 | 2113 | else { |
7452cf6a | 2114 | SV * const sv = POPs; |
83003860 | 2115 | const char *name; |
7a5fd60d | 2116 | |
d05c1ba0 JH |
2117 | if (SvTYPE(sv) == SVt_PVGV) { |
2118 | tmpgv = (GV*)sv; /* *main::FRED for example */ | |
090bf15b | 2119 | goto do_ftruncate_gv; |
d05c1ba0 JH |
2120 | } |
2121 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2122 | tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */ | |
090bf15b SR |
2123 | goto do_ftruncate_gv; |
2124 | } | |
2125 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
2126 | io = (IO*) SvRV(sv); /* *main::FRED{IO} for example */ | |
2127 | goto do_ftruncate_io; | |
d05c1ba0 | 2128 | } |
1e422769 | 2129 | |
83003860 | 2130 | name = SvPV_nolen_const(sv); |
d05c1ba0 | 2131 | TAINT_PROPER("truncate"); |
cbdc8872 | 2132 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2133 | if (truncate(name, len) < 0) |
2134 | result = 0; | |
cbdc8872 | 2135 | #else |
d05c1ba0 | 2136 | { |
7452cf6a | 2137 | const int tmpfd = PerlLIO_open(name, O_RDWR); |
d05c1ba0 | 2138 | |
7452cf6a | 2139 | if (tmpfd < 0) |
cbdc8872 | 2140 | result = 0; |
d05c1ba0 JH |
2141 | else { |
2142 | if (my_chsize(tmpfd, len) < 0) | |
2143 | result = 0; | |
2144 | PerlLIO_close(tmpfd); | |
2145 | } | |
cbdc8872 | 2146 | } |
a0d0e21e | 2147 | #endif |
d05c1ba0 | 2148 | } |
a0d0e21e | 2149 | |
d05c1ba0 JH |
2150 | if (result) |
2151 | RETPUSHYES; | |
2152 | if (!errno) | |
93189314 | 2153 | SETERRNO(EBADF,RMS_IFI); |
d05c1ba0 JH |
2154 | RETPUSHUNDEF; |
2155 | } | |
a0d0e21e LW |
2156 | } |
2157 | ||
a0d0e21e LW |
2158 | PP(pp_ioctl) |
2159 | { | |
97aff369 | 2160 | dVAR; dSP; dTARGET; |
7452cf6a | 2161 | SV * const argsv = POPs; |
1df70142 | 2162 | const unsigned int func = POPu; |
e1ec3a88 | 2163 | const int optype = PL_op->op_type; |
7452cf6a AL |
2164 | GV * const gv = (GV*)POPs; |
2165 | IO * const io = gv ? GvIOn(gv) : Null(IO*); | |
a0d0e21e | 2166 | char *s; |
324aa91a | 2167 | IV retval; |
a0d0e21e | 2168 | |
748a9306 | 2169 | if (!io || !argsv || !IoIFP(io)) { |
c289d2f7 JH |
2170 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2171 | report_evil_fh(gv, io, PL_op->op_type); | |
93189314 | 2172 | SETERRNO(EBADF,RMS_IFI); /* well, sort of... */ |
a0d0e21e LW |
2173 | RETPUSHUNDEF; |
2174 | } | |
2175 | ||
748a9306 | 2176 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2177 | STRLEN len; |
324aa91a | 2178 | STRLEN need; |
748a9306 | 2179 | s = SvPV_force(argsv, len); |
324aa91a HF |
2180 | need = IOCPARM_LEN(func); |
2181 | if (len < need) { | |
2182 | s = Sv_Grow(argsv, need + 1); | |
2183 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2184 | } |
2185 | ||
748a9306 | 2186 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2187 | } |
2188 | else { | |
748a9306 | 2189 | retval = SvIV(argsv); |
c529f79d | 2190 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2191 | } |
2192 | ||
ed4b2e6b | 2193 | TAINT_PROPER(PL_op_desc[optype]); |
a0d0e21e LW |
2194 | |
2195 | if (optype == OP_IOCTL) | |
2196 | #ifdef HAS_IOCTL | |
76e3520e | 2197 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2198 | #else |
cea2e8a9 | 2199 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2200 | #endif |
2201 | else | |
c214f4ad WB |
2202 | #ifndef HAS_FCNTL |
2203 | DIE(aTHX_ "fcntl is not implemented"); | |
2204 | #else | |
55497cff | 2205 | #if defined(OS2) && defined(__EMX__) |
760ac839 | 2206 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2207 | #else |
760ac839 | 2208 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2209 | #endif |
6652bd42 | 2210 | #endif |
a0d0e21e | 2211 | |
6652bd42 | 2212 | #if defined(HAS_IOCTL) || defined(HAS_FCNTL) |
748a9306 LW |
2213 | if (SvPOK(argsv)) { |
2214 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2215 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2216 | OP_NAME(PL_op)); |
748a9306 LW |
2217 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2218 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2219 | } |
2220 | ||
2221 | if (retval == -1) | |
2222 | RETPUSHUNDEF; | |
2223 | if (retval != 0) { | |
2224 | PUSHi(retval); | |
2225 | } | |
2226 | else { | |
8903cb82 | 2227 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e | 2228 | } |
4808266b | 2229 | #endif |
c214f4ad | 2230 | RETURN; |
a0d0e21e LW |
2231 | } |
2232 | ||
2233 | PP(pp_flock) | |
2234 | { | |
9cad6237 | 2235 | #ifdef FLOCK |
97aff369 | 2236 | dVAR; dSP; dTARGET; |
a0d0e21e | 2237 | I32 value; |
bc37a18f | 2238 | IO *io = NULL; |
760ac839 | 2239 | PerlIO *fp; |
7452cf6a AL |
2240 | const int argtype = POPi; |
2241 | GV * const gv = (MAXARG == 0) ? PL_last_in_gv : (GV*)POPs; | |
16d20bd9 | 2242 | |
bc37a18f RG |
2243 | if (gv && (io = GvIO(gv))) |
2244 | fp = IoIFP(io); | |
2245 | else { | |
a0d0e21e | 2246 | fp = Nullfp; |
bc37a18f RG |
2247 | io = NULL; |
2248 | } | |
0bcc34c2 | 2249 | /* XXX Looks to me like io is always NULL at this point */ |
a0d0e21e | 2250 | if (fp) { |
68dc0745 | 2251 | (void)PerlIO_flush(fp); |
76e3520e | 2252 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2253 | } |
cb50131a | 2254 | else { |
bc37a18f RG |
2255 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2256 | report_evil_fh(gv, io, PL_op->op_type); | |
a0d0e21e | 2257 | value = 0; |
93189314 | 2258 | SETERRNO(EBADF,RMS_IFI); |
cb50131a | 2259 | } |
a0d0e21e LW |
2260 | PUSHi(value); |
2261 | RETURN; | |
2262 | #else | |
cea2e8a9 | 2263 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2264 | #endif |
2265 | } | |
2266 | ||
2267 | /* Sockets. */ | |
2268 | ||
2269 | PP(pp_socket) | |
2270 | { | |
a0d0e21e | 2271 | #ifdef HAS_SOCKET |
97aff369 | 2272 | dVAR; dSP; |
7452cf6a AL |
2273 | const int protocol = POPi; |
2274 | const int type = POPi; | |
2275 | const int domain = POPi; | |
2276 | GV * const gv = (GV*)POPs; | |
2277 | register IO * const io = gv ? GvIOn(gv) : NULL; | |
a0d0e21e LW |
2278 | int fd; |
2279 | ||
c289d2f7 JH |
2280 | if (!gv || !io) { |
2281 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) | |
2282 | report_evil_fh(gv, io, PL_op->op_type); | |
2283 | if (IoIFP(io)) | |
2284 | do_close(gv, FALSE); | |
93189314 | 2285 | SETERRNO(EBADF,LIB_INVARG); |
a0d0e21e LW |
2286 | RETPUSHUNDEF; |
2287 | } | |
2288 | ||
57171420 BS |
2289 | if (IoIFP(io)) |
2290 | do_close(gv, FALSE); | |
2291 | ||
a0d0e21e | 2292 | TAINT_PROPER("socket"); |
6ad3d225 | 2293 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2294 | if (fd < 0) |
2295 | RETPUSHUNDEF; | |
460c8493 IZ |
2296 | IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */ |
2297 | IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2298 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2299 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2300 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2301 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2302 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2303 | RETPUSHUNDEF; |
2304 | } | |
8d2a6795 GS |
2305 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2306 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2307 | #endif | |
a0d0e21e | 2308 | |
d5ff79b3 OF |
2309 | #ifdef EPOC |
2310 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2311 | #endif | |
2312 | ||
a0d0e21e LW |
2313 | RETPUSHYES; |
2314 | #else | |
cea2e8a9 | 2315 | DIE(aTHX_ PL_no_sock_func, "socket"); |
a0d0e21e LW |
2316 | #endif |
2317 | } | |
2318 | ||
2319 | PP(pp_sockpair) | |
2320 | { | |
c95c94b1 | 2321 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
97aff369 | 2322 | dVAR; dSP; |
7452cf6a AL |
2323 | const int protocol = POPi; |
2324 | const int type = POPi; | |
2325 | const int domain = POPi; | |
2326 | GV * const gv2 = (GV*)POPs; | |
2327 | GV * const gv1 = (GV*)POPs; | |
2328 | register IO * const io1 = gv1 ? GvIOn(gv1) : NULL; | |
2329 | register IO * const io2 = gv2 ? GvIOn(gv2) : NULL; | |
a0d0e21e LW |
2330 | int fd[2]; |
2331 | ||
c289d2f7 JH |
2332 | if (!gv1 || !gv2 || !io1 || !io2) { |
2333 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { | |
2334 | if (!gv1 || !io1) | |
2335 | report_evil_fh(gv1, io1, PL_op->op_type); | |
2336 | if (!gv2 || !io2) | |
2337 | report_evil_fh(gv1, io2, PL_op->op_type); | |
2338 | } | |
2339 | if (IoIFP(io1)) | |
2340 | do_close(gv1, FALSE); | |
2341 | if (IoIFP(io2)) | |
2342 | do_close(gv2, FALSE); | |
a0d0e21e | 2343 | RETPUSHUNDEF; |
c289d2f7 | 2344 | } |
a0d0e21e | 2345 | |
dc0d0a5f JH |
2346 | if (IoIFP(io1)) |
2347 | do_close(gv1, FALSE); | |
2348 | if (IoIFP(io2)) | |
2349 | do_close(gv2, FALSE); | |
57171420 | 2350 | |
a0d0e21e | 2351 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2352 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2353 | RETPUSHUNDEF; |
460c8493 IZ |
2354 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE); |
2355 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE); | |
50952442 | 2356 | IoTYPE(io1) = IoTYPE_SOCKET; |
460c8493 IZ |
2357 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE); |
2358 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE); | |
50952442 | 2359 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2360 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2361 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2362 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2363 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2364 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2365 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2366 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2367 | RETPUSHUNDEF; |
2368 | } | |
8d2a6795 GS |
2369 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2370 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2371 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2372 | #endif | |
a0d0e21e LW |
2373 | |
2374 | RETPUSHYES; | |
2375 | #else | |
cea2e8a9 | 2376 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2377 | #endif |
2378 | } | |
2379 | ||
2380 | PP(pp_bind) | |
2381 | { | |
a0d0e21e | 2382 | #ifdef HAS_SOCKET |
97aff369 | 2383 | dVAR; dSP; |
eec2d3df | 2384 | #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */ |
82b3da69 JH |
2385 | extern void GETPRIVMODE(); |
2386 | extern void GETUSERMODE(); | |
eec2d3df | 2387 | #endif |
7452cf6a | 2388 | SV * const addrsv = POPs; |
349d4f2f NC |
2389 | /* OK, so on what platform does bind modify addr? */ |
2390 | const char *addr; | |
7452cf6a AL |
2391 | GV * const gv = (GV*)POPs; |
2392 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 2393 | STRLEN len; |
eec2d3df GS |
2394 | int bind_ok = 0; |
2395 | #ifdef MPE | |
2396 | int mpeprivmode = 0; | |
2397 | #endif | |
a0d0e21e LW |
2398 | |
2399 | if (!io || !IoIFP(io)) | |
2400 | goto nuts; | |
2401 | ||
349d4f2f | 2402 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2403 | TAINT_PROPER("bind"); |
eec2d3df GS |
2404 | #ifdef MPE /* Deal with MPE bind() peculiarities */ |
2405 | if (((struct sockaddr *)addr)->sa_family == AF_INET) { | |
2406 | /* The address *MUST* stupidly be zero. */ | |
2407 | ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY; | |
2408 | /* PRIV mode is required to bind() to ports < 1024. */ | |
2409 | if (((struct sockaddr_in *)addr)->sin_port < 1024 && | |
2410 | ((struct sockaddr_in *)addr)->sin_port > 0) { | |
2411 | GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */ | |
2412 | mpeprivmode = 1; | |
2413 | } | |
2414 | } | |
2415 | #endif /* MPE */ | |
2416 | if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), | |
2417 | (struct sockaddr *)addr, len) >= 0) | |
2418 | bind_ok = 1; | |
2419 | ||
2420 | #ifdef MPE /* Switch back to USER mode */ | |
2421 | if (mpeprivmode) | |
2422 | GETUSERMODE(); | |
2423 | #endif /* MPE */ | |
2424 | ||
2425 | if (bind_ok) | |
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); |
93189314 | 2433 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2434 | RETPUSHUNDEF; |
2435 | #else | |
cea2e8a9 | 2436 | DIE(aTHX_ PL_no_sock_func, "bind"); |
a0d0e21e LW |
2437 | #endif |
2438 | } | |
2439 | ||
2440 | PP(pp_connect) | |
2441 | { | |
a0d0e21e | 2442 | #ifdef HAS_SOCKET |
97aff369 | 2443 | dVAR; dSP; |
7452cf6a AL |
2444 | SV * const addrsv = POPs; |
2445 | GV * const gv = (GV*)POPs; | |
2446 | register IO * const io = GvIOn(gv); | |
349d4f2f | 2447 | const char *addr; |
a0d0e21e LW |
2448 | STRLEN len; |
2449 | ||
2450 | if (!io || !IoIFP(io)) | |
2451 | goto nuts; | |
2452 | ||
349d4f2f | 2453 | addr = SvPV_const(addrsv, len); |
a0d0e21e | 2454 | TAINT_PROPER("connect"); |
6ad3d225 | 2455 | if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0) |
a0d0e21e LW |
2456 | RETPUSHYES; |
2457 | else | |
2458 | RETPUSHUNDEF; | |
2459 | ||
2460 | nuts: | |
599cee73 | 2461 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2462 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2463 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2464 | RETPUSHUNDEF; |
2465 | #else | |
cea2e8a9 | 2466 | DIE(aTHX_ PL_no_sock_func, "connect"); |
a0d0e21e LW |
2467 | #endif |
2468 | } | |
2469 | ||
2470 | PP(pp_listen) | |
2471 | { | |
a0d0e21e | 2472 | #ifdef HAS_SOCKET |
97aff369 | 2473 | dVAR; dSP; |
7452cf6a AL |
2474 | const int backlog = POPi; |
2475 | GV * const gv = (GV*)POPs; | |
2476 | register IO * const io = gv ? GvIOn(gv) : NULL; | |
a0d0e21e | 2477 | |
c289d2f7 | 2478 | if (!gv || !io || !IoIFP(io)) |
a0d0e21e LW |
2479 | goto nuts; |
2480 | ||
6ad3d225 | 2481 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2482 | RETPUSHYES; |
2483 | else | |
2484 | RETPUSHUNDEF; | |
2485 | ||
2486 | nuts: | |
599cee73 | 2487 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2488 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2489 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2490 | RETPUSHUNDEF; |
2491 | #else | |
cea2e8a9 | 2492 | DIE(aTHX_ PL_no_sock_func, "listen"); |
a0d0e21e LW |
2493 | #endif |
2494 | } | |
2495 | ||
2496 | PP(pp_accept) | |
2497 | { | |
a0d0e21e | 2498 | #ifdef HAS_SOCKET |
97aff369 | 2499 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
2500 | register IO *nstio; |
2501 | register IO *gstio; | |
93d47a36 JH |
2502 | char namebuf[MAXPATHLEN]; |
2503 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) | |
2504 | Sock_size_t len = sizeof (struct sockaddr_in); | |
2505 | #else | |
2506 | Sock_size_t len = sizeof namebuf; | |
2507 | #endif | |
7452cf6a AL |
2508 | GV * const ggv = (GV*)POPs; |
2509 | GV * const ngv = (GV*)POPs; | |
a0d0e21e LW |
2510 | int fd; |
2511 | ||
a0d0e21e LW |
2512 | if (!ngv) |
2513 | goto badexit; | |
2514 | if (!ggv) | |
2515 | goto nuts; | |
2516 | ||
2517 | gstio = GvIO(ggv); | |
2518 | if (!gstio || !IoIFP(gstio)) | |
2519 | goto nuts; | |
2520 | ||
2521 | nstio = GvIOn(ngv); | |
93d47a36 | 2522 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len); |
a0d0e21e LW |
2523 | if (fd < 0) |
2524 | goto badexit; | |
a70048fb AB |
2525 | if (IoIFP(nstio)) |
2526 | do_close(ngv, FALSE); | |
460c8493 IZ |
2527 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); |
2528 | IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2529 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2530 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2531 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2532 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2533 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2534 | goto badexit; |
2535 | } | |
8d2a6795 GS |
2536 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2537 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2538 | #endif | |
a0d0e21e | 2539 | |
ed79a026 | 2540 | #ifdef EPOC |
93d47a36 | 2541 | len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */ |
a9f1f6b0 | 2542 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ |
ed79a026 | 2543 | #endif |
381c1bae | 2544 | #ifdef __SCO_VERSION__ |
93d47a36 | 2545 | len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */ |
381c1bae | 2546 | #endif |
ed79a026 | 2547 | |
93d47a36 | 2548 | PUSHp(namebuf, len); |
a0d0e21e LW |
2549 | RETURN; |
2550 | ||
2551 | nuts: | |
599cee73 | 2552 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2553 | report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type); |
93189314 | 2554 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2555 | |
2556 | badexit: | |
2557 | RETPUSHUNDEF; | |
2558 | ||
2559 | #else | |
cea2e8a9 | 2560 | DIE(aTHX_ PL_no_sock_func, "accept"); |
a0d0e21e LW |
2561 | #endif |
2562 | } | |
2563 | ||
2564 | PP(pp_shutdown) | |
2565 | { | |
a0d0e21e | 2566 | #ifdef HAS_SOCKET |
97aff369 | 2567 | dVAR; dSP; dTARGET; |
7452cf6a AL |
2568 | const int how = POPi; |
2569 | GV * const gv = (GV*)POPs; | |
2570 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
2571 | |
2572 | if (!io || !IoIFP(io)) | |
2573 | goto nuts; | |
2574 | ||
6ad3d225 | 2575 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2576 | RETURN; |
2577 | ||
2578 | nuts: | |
599cee73 | 2579 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2580 | report_evil_fh(gv, io, PL_op->op_type); |
93189314 | 2581 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2582 | RETPUSHUNDEF; |
2583 | #else | |
cea2e8a9 | 2584 | DIE(aTHX_ PL_no_sock_func, "shutdown"); |
a0d0e21e LW |
2585 | #endif |
2586 | } | |
2587 | ||
a0d0e21e LW |
2588 | PP(pp_ssockopt) |
2589 | { | |
a0d0e21e | 2590 | #ifdef HAS_SOCKET |
97aff369 | 2591 | dVAR; dSP; |
7452cf6a AL |
2592 | const int optype = PL_op->op_type; |
2593 | SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(NEWSV(22, 257)) : POPs; | |
2594 | const unsigned int optname = (unsigned int) POPi; | |
2595 | const unsigned int lvl = (unsigned int) POPi; | |
2596 | GV * const gv = (GV*)POPs; | |
2597 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 2598 | int fd; |
1e422769 | 2599 | Sock_size_t len; |
a0d0e21e | 2600 | |
a0d0e21e LW |
2601 | if (!io || !IoIFP(io)) |
2602 | goto nuts; | |
2603 | ||
760ac839 | 2604 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2605 | switch (optype) { |
2606 | case OP_GSOCKOPT: | |
748a9306 | 2607 | SvGROW(sv, 257); |
a0d0e21e | 2608 | (void)SvPOK_only(sv); |
748a9306 LW |
2609 | SvCUR_set(sv,256); |
2610 | *SvEND(sv) ='\0'; | |
1e422769 | 2611 | len = SvCUR(sv); |
6ad3d225 | 2612 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2613 | goto nuts2; |
1e422769 | 2614 | SvCUR_set(sv, len); |
748a9306 | 2615 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2616 | PUSHs(sv); |
2617 | break; | |
2618 | case OP_SSOCKOPT: { | |
1215b447 JH |
2619 | #if defined(__SYMBIAN32__) |
2620 | # define SETSOCKOPT_OPTION_VALUE_T void * | |
2621 | #else | |
2622 | # define SETSOCKOPT_OPTION_VALUE_T const char * | |
2623 | #endif | |
2624 | /* XXX TODO: We need to have a proper type (a Configure probe, | |
2625 | * etc.) for what the C headers think of the third argument of | |
2626 | * setsockopt(), the option_value read-only buffer: is it | |
2627 | * a "char *", or a "void *", const or not. Some compilers | |
2628 | * don't take kindly to e.g. assuming that "char *" implicitly | |
2629 | * promotes to a "void *", or to explicitly promoting/demoting | |
2630 | * consts to non/vice versa. The "const void *" is the SUS | |
2631 | * definition, but that does not fly everywhere for the above | |
2632 | * reasons. */ | |
2633 | SETSOCKOPT_OPTION_VALUE_T buf; | |
1e422769 | 2634 | int aint; |
2635 | if (SvPOKp(sv)) { | |
2d8e6c8d | 2636 | STRLEN l; |
1215b447 | 2637 | buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l); |
2d8e6c8d | 2638 | len = l; |
1e422769 | 2639 | } |
56ee1660 | 2640 | else { |
a0d0e21e | 2641 | aint = (int)SvIV(sv); |
1215b447 | 2642 | buf = (SETSOCKOPT_OPTION_VALUE_T) &aint; |
a0d0e21e LW |
2643 | len = sizeof(int); |
2644 | } | |
6ad3d225 | 2645 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2646 | goto nuts2; |
3280af22 | 2647 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2648 | } |
2649 | break; | |
2650 | } | |
2651 | RETURN; | |
2652 | ||
2653 | nuts: | |
599cee73 | 2654 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2655 | report_evil_fh(gv, io, optype); |
93189314 | 2656 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2657 | nuts2: |
2658 | RETPUSHUNDEF; | |
2659 | ||
2660 | #else | |
af51a00e | 2661 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2662 | #endif |
2663 | } | |
2664 | ||
a0d0e21e LW |
2665 | PP(pp_getpeername) |
2666 | { | |
a0d0e21e | 2667 | #ifdef HAS_SOCKET |
97aff369 | 2668 | dVAR; dSP; |
7452cf6a AL |
2669 | const int optype = PL_op->op_type; |
2670 | GV * const gv = (GV*)POPs; | |
2671 | register IO * const io = GvIOn(gv); | |
2672 | Sock_size_t len; | |
a0d0e21e LW |
2673 | SV *sv; |
2674 | int fd; | |
a0d0e21e LW |
2675 | |
2676 | if (!io || !IoIFP(io)) | |
2677 | goto nuts; | |
2678 | ||
2679 | sv = sv_2mortal(NEWSV(22, 257)); | |
748a9306 | 2680 | (void)SvPOK_only(sv); |
1e422769 | 2681 | len = 256; |
2682 | SvCUR_set(sv, len); | |
748a9306 | 2683 | *SvEND(sv) ='\0'; |
760ac839 | 2684 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2685 | switch (optype) { |
2686 | case OP_GETSOCKNAME: | |
6ad3d225 | 2687 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2688 | goto nuts2; |
2689 | break; | |
2690 | case OP_GETPEERNAME: | |
6ad3d225 | 2691 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2692 | goto nuts2; |
490ab354 JH |
2693 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2694 | { | |
2695 | 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"; | |
2696 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
349d4f2f | 2697 | if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET && |
2fbb330f | 2698 | !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere, |
490ab354 | 2699 | sizeof(u_short) + sizeof(struct in_addr))) { |
301e8125 | 2700 | goto nuts2; |
490ab354 JH |
2701 | } |
2702 | } | |
2703 | #endif | |
a0d0e21e LW |
2704 | break; |
2705 | } | |
13826f2c CS |
2706 | #ifdef BOGUS_GETNAME_RETURN |
2707 | /* Interactive Unix, getpeername() and getsockname() | |
2708 | does not return valid namelen */ | |
1e422769 | 2709 | if (len == BOGUS_GETNAME_RETURN) |
2710 | len = sizeof(struct sockaddr); | |
13826f2c | 2711 | #endif |
1e422769 | 2712 | SvCUR_set(sv, len); |
748a9306 | 2713 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2714 | PUSHs(sv); |
2715 | RETURN; | |
2716 | ||
2717 | nuts: | |
599cee73 | 2718 | if (ckWARN(WARN_CLOSED)) |
bc37a18f | 2719 | report_evil_fh(gv, io, optype); |
93189314 | 2720 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2721 | nuts2: |
2722 | RETPUSHUNDEF; | |
2723 | ||
2724 | #else | |
af51a00e | 2725 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
2726 | #endif |
2727 | } | |
2728 | ||
2729 | /* Stat calls. */ | |
2730 | ||
a0d0e21e LW |
2731 | PP(pp_stat) |
2732 | { | |
97aff369 | 2733 | dVAR; |
39644a26 | 2734 | dSP; |
2dd78f96 | 2735 | GV *gv; |
54310121 | 2736 | I32 gimme; |
a0d0e21e LW |
2737 | I32 max = 13; |
2738 | ||
533c011a | 2739 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2740 | gv = cGVOP_gv; |
8a4e5b40 | 2741 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de | 2742 | if (gv != PL_defgv) { |
5d329e6e | 2743 | do_fstat_warning_check: |
5d3e98de | 2744 | if (ckWARN(WARN_IO)) |
9014280d | 2745 | Perl_warner(aTHX_ packWARN(WARN_IO), |
5d3e98de RGS |
2746 | "lstat() on filehandle %s", GvENAME(gv)); |
2747 | } else if (PL_laststype != OP_LSTAT) | |
8a4e5b40 | 2748 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2749 | } |
2750 | ||
748a9306 | 2751 | do_fstat: |
2dd78f96 | 2752 | if (gv != PL_defgv) { |
3280af22 | 2753 | PL_laststype = OP_STAT; |
2dd78f96 | 2754 | PL_statgv = gv; |
c69006e4 | 2755 | sv_setpvn(PL_statname, "", 0); |
2dd78f96 JH |
2756 | PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv)) |
2757 | ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1); | |
a0d0e21e | 2758 | } |
9ddeeac9 | 2759 | if (PL_laststatval < 0) { |
2dd78f96 JH |
2760 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) |
2761 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); | |
a0d0e21e | 2762 | max = 0; |
9ddeeac9 | 2763 | } |
a0d0e21e LW |
2764 | } |
2765 | else { | |
7452cf6a | 2766 | SV* const sv = POPs; |
748a9306 | 2767 | if (SvTYPE(sv) == SVt_PVGV) { |
2dd78f96 | 2768 | gv = (GV*)sv; |
748a9306 LW |
2769 | goto do_fstat; |
2770 | } | |
2771 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
2dd78f96 | 2772 | gv = (GV*)SvRV(sv); |
5d329e6e NC |
2773 | if (PL_op->op_type == OP_LSTAT) |
2774 | goto do_fstat_warning_check; | |
748a9306 LW |
2775 | goto do_fstat; |
2776 | } | |
0510663f | 2777 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
3280af22 | 2778 | PL_statgv = Nullgv; |
533c011a NIS |
2779 | PL_laststype = PL_op->op_type; |
2780 | if (PL_op->op_type == OP_LSTAT) | |
0510663f | 2781 | PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache); |
a0d0e21e | 2782 | else |
0510663f | 2783 | PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache); |
3280af22 | 2784 | if (PL_laststatval < 0) { |
0510663f | 2785 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n')) |
9014280d | 2786 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
a0d0e21e LW |
2787 | max = 0; |
2788 | } | |
2789 | } | |
2790 | ||
54310121 | 2791 | gimme = GIMME_V; |
2792 | if (gimme != G_ARRAY) { | |
2793 | if (gimme != G_VOID) | |
2794 | XPUSHs(boolSV(max)); | |
2795 | RETURN; | |
a0d0e21e LW |
2796 | } |
2797 | if (max) { | |
36477c24 | 2798 | EXTEND(SP, max); |
2799 | EXTEND_MORTAL(max); | |
1ff81528 PL |
2800 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev))); |
2801 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino))); | |
b448e4fe JH |
2802 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode))); |
2803 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink))); | |
146174a9 CB |
2804 | #if Uid_t_size > IVSIZE |
2805 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid))); | |
2806 | #else | |
23dcd6c8 | 2807 | # if Uid_t_sign <= 0 |
1ff81528 | 2808 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid))); |
23dcd6c8 JH |
2809 | # else |
2810 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid))); | |
2811 | # endif | |
146174a9 | 2812 | #endif |
301e8125 | 2813 | #if Gid_t_size > IVSIZE |
146174a9 CB |
2814 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid))); |
2815 | #else | |
23dcd6c8 | 2816 | # if Gid_t_sign <= 0 |
1ff81528 | 2817 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid))); |
23dcd6c8 JH |
2818 | # else |
2819 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid))); | |
2820 | # endif | |
146174a9 | 2821 | #endif |
cbdc8872 | 2822 | #ifdef USE_STAT_RDEV |
1ff81528 | 2823 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev))); |
cbdc8872 | 2824 | #else |
396482e1 | 2825 | PUSHs(sv_2mortal(newSVpvs(""))); |
cbdc8872 | 2826 | #endif |
146174a9 | 2827 | #if Off_t_size > IVSIZE |
4a9d6100 | 2828 | PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size))); |
146174a9 | 2829 | #else |
1ff81528 | 2830 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_size))); |
146174a9 | 2831 | #endif |
cbdc8872 | 2832 | #ifdef BIG_TIME |
172ae379 JH |
2833 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime))); |
2834 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime))); | |
2835 | PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime))); | |
cbdc8872 | 2836 | #else |
1ff81528 PL |
2837 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime))); |
2838 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime))); | |
2839 | PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime))); | |
cbdc8872 | 2840 | #endif |
a0d0e21e | 2841 | #ifdef USE_STAT_BLOCKS |
b448e4fe JH |
2842 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize))); |
2843 | PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks))); | |
a0d0e21e | 2844 | #else |
396482e1 GA |
2845 | PUSHs(sv_2mortal(newSVpvs(""))); |
2846 | PUSHs(sv_2mortal(newSVpvs(""))); | |
a0d0e21e LW |
2847 | #endif |
2848 | } | |
2849 | RETURN; | |
2850 | } | |
2851 | ||
fbb0b3b3 RGS |
2852 | /* This macro is used by the stacked filetest operators : |
2853 | * if the previous filetest failed, short-circuit and pass its value. | |
2854 | * Else, discard it from the stack and continue. --rgs | |
2855 | */ | |
2856 | #define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \ | |
2857 | if (TOPs == &PL_sv_no || TOPs == &PL_sv_undef) { RETURN; } \ | |
2858 | else { (void)POPs; PUTBACK; } \ | |
2859 | } | |
2860 | ||
a0d0e21e LW |
2861 | PP(pp_ftrread) |
2862 | { | |
97aff369 | 2863 | dVAR; |
9cad6237 | 2864 | I32 result; |
af9e49b4 NC |
2865 | /* Not const, because things tweak this below. Not bool, because there's |
2866 | no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */ | |
2867 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2868 | I32 use_access = PL_op->op_private & OPpFT_ACCESS; | |
2869 | /* Giving some sort of initial value silences compilers. */ | |
2870 | # ifdef R_OK | |
2871 | int access_mode = R_OK; | |
2872 | # else | |
2873 | int access_mode = 0; | |
2874 | # endif | |
5ff3f7a4 | 2875 | #else |
af9e49b4 NC |
2876 | /* access_mode is never used, but leaving use_access in makes the |
2877 | conditional compiling below much clearer. */ | |
2878 | I32 use_access = 0; | |
5ff3f7a4 | 2879 | #endif |
af9e49b4 | 2880 | int stat_mode = S_IRUSR; |
a0d0e21e | 2881 | |
af9e49b4 | 2882 | bool effective = FALSE; |
2a3ff820 | 2883 | dSP; |
af9e49b4 | 2884 | |
fbb0b3b3 | 2885 | STACKED_FTEST_CHECK; |
af9e49b4 NC |
2886 | |
2887 | switch (PL_op->op_type) { | |
2888 | case OP_FTRREAD: | |
2889 | #if !(defined(HAS_ACCESS) && defined(R_OK)) | |
2890 | use_access = 0; | |
2891 | #endif | |
2892 | break; | |
2893 | ||
2894 | case OP_FTRWRITE: | |
5ff3f7a4 | 2895 | #if defined(HAS_ACCESS) && defined(W_OK) |
af9e49b4 | 2896 | access_mode = W_OK; |
5ff3f7a4 | 2897 | #else |
af9e49b4 | 2898 | use_access = 0; |
5ff3f7a4 | 2899 | #endif |
af9e49b4 NC |
2900 | stat_mode = S_IWUSR; |
2901 | break; | |
a0d0e21e | 2902 | |
af9e49b4 | 2903 | case OP_FTREXEC: |
5ff3f7a4 | 2904 | #if defined(HAS_ACCESS) && defined(X_OK) |
af9e49b4 | 2905 | access_mode = X_OK; |
5ff3f7a4 | 2906 | #else |
af9e49b4 | 2907 | use_access = 0; |
5ff3f7a4 | 2908 | #endif |
af9e49b4 NC |
2909 | stat_mode = S_IXUSR; |
2910 | break; | |
a0d0e21e | 2911 | |
af9e49b4 | 2912 | case OP_FTEWRITE: |
faee0e31 | 2913 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 2914 | access_mode = W_OK; |
5ff3f7a4 | 2915 | #endif |
af9e49b4 NC |
2916 | stat_mode = S_IWUSR; |
2917 | /* Fall through */ | |
a0d0e21e | 2918 | |
af9e49b4 NC |
2919 | case OP_FTEREAD: |
2920 | #ifndef PERL_EFF_ACCESS | |
2921 | use_access = 0; | |
2922 | #endif | |
2923 | effective = TRUE; | |
2924 | break; | |
2925 | ||
2926 | ||
2927 | case OP_FTEEXEC: | |
faee0e31 | 2928 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 2929 | access_mode = W_OK; |
5ff3f7a4 | 2930 | #else |
af9e49b4 | 2931 | use_access = 0; |
5ff3f7a4 | 2932 | #endif |
af9e49b4 NC |
2933 | stat_mode = S_IXUSR; |
2934 | effective = TRUE; | |
2935 | break; | |
2936 | } | |
a0d0e21e | 2937 | |
af9e49b4 NC |
2938 | if (use_access) { |
2939 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2940 | const char *const name = POPpx; | |
2941 | if (effective) { | |
2942 | # ifdef PERL_EFF_ACCESS | |
2943 | result = PERL_EFF_ACCESS(name, access_mode); | |
2944 | # else | |
2945 | DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s", | |
2946 | OP_NAME(PL_op)); | |
2947 | # endif | |
2948 | } | |
2949 | else { | |
2950 | # ifdef HAS_ACCESS | |
2951 | result = access(name, access_mode); | |
2952 | # else | |
2953 | DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op)); | |
2954 | # endif | |
2955 | } | |
5ff3f7a4 GS |
2956 | if (result == 0) |
2957 | RETPUSHYES; | |
2958 | if (result < 0) | |
2959 | RETPUSHUNDEF; | |
2960 | RETPUSHNO; | |
af9e49b4 | 2961 | #endif |
22865c03 | 2962 | } |
af9e49b4 | 2963 | |
cea2e8a9 | 2964 | result = my_stat(); |
22865c03 | 2965 | SPAGAIN; |
a0d0e21e LW |
2966 | if (result < 0) |
2967 | RETPUSHUNDEF; | |
af9e49b4 | 2968 | if (cando(stat_mode, effective, &PL_statcache)) |
a0d0e21e LW |
2969 | RETPUSHYES; |
2970 | RETPUSHNO; | |
2971 | } | |
2972 | ||
2973 | PP(pp_ftis) | |
2974 | { | |
97aff369 | 2975 | dVAR; |
fbb0b3b3 | 2976 | I32 result; |
d7f0a2f4 | 2977 | const int op_type = PL_op->op_type; |
2a3ff820 | 2978 | dSP; |
fbb0b3b3 RGS |
2979 | STACKED_FTEST_CHECK; |
2980 | result = my_stat(); | |
2981 | SPAGAIN; | |
a0d0e21e LW |
2982 | if (result < 0) |
2983 | RETPUSHUNDEF; | |
d7f0a2f4 NC |
2984 | if (op_type == OP_FTIS) |
2985 | RETPUSHYES; | |
957b0e1d | 2986 | { |
d7f0a2f4 NC |
2987 | /* You can't dTARGET inside OP_FTIS, because you'll get |
2988 | "panic: pad_sv po" - the op is not flagged to have a target. */ | |
957b0e1d | 2989 | dTARGET; |
d7f0a2f4 | 2990 | switch (op_type) { |
957b0e1d NC |
2991 | case OP_FTSIZE: |
2992 | #if Off_t_size > IVSIZE | |
2993 | PUSHn(PL_statcache.st_size); | |
2994 | #else | |
2995 | PUSHi(PL_statcache.st_size); | |
2996 | #endif | |
2997 | break; | |
2998 | case OP_FTMTIME: | |
2999 | PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 ); | |
3000 | break; | |
3001 | case OP_FTATIME: | |
3002 | PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 ); | |
3003 | break; | |
3004 | case OP_FTCTIME: | |
3005 | PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 ); | |
3006 | break; | |
3007 | } | |
3008 | } | |
3009 | RETURN; | |
a0d0e21e LW |
3010 | } |
3011 | ||
a0d0e21e LW |
3012 | PP(pp_ftrowned) |
3013 | { | |
97aff369 | 3014 | dVAR; |
fbb0b3b3 | 3015 | I32 result; |
2a3ff820 | 3016 | dSP; |
17ad201a NC |
3017 | |
3018 | /* I believe that all these three are likely to be defined on most every | |
3019 | system these days. */ | |
3020 | #ifndef S_ISUID | |
3021 | if(PL_op->op_type == OP_FTSUID) | |
3022 | RETPUSHNO; | |
3023 | #endif | |
3024 | #ifndef S_ISGID | |
3025 | if(PL_op->op_type == OP_FTSGID) | |
3026 | RETPUSHNO; | |
3027 | #endif | |
3028 | #ifndef S_ISVTX | |
3029 | if(PL_op->op_type == OP_FTSVTX) | |
3030 | RETPUSHNO; | |
3031 | #endif | |
3032 | ||
fbb0b3b3 RGS |
3033 | STACKED_FTEST_CHECK; |
3034 | result = my_stat(); | |
3035 | SPAGAIN; | |
a0d0e21e LW |
3036 | if (result < 0) |
3037 | RETPUSHUNDEF; | |
f1cb2d48 NC |
3038 | switch (PL_op->op_type) { |
3039 | case OP_FTROWNED: | |
9ab9fa88 | 3040 | if (PL_statcache.st_uid == PL_uid) |
f1cb2d48 NC |
3041 | RETPUSHYES; |
3042 | break; | |
3043 | case OP_FTEOWNED: | |
3044 | if (PL_statcache.st_uid == PL_euid) | |
3045 | RETPUSHYES; | |
3046 | break; | |
3047 | case OP_FTZERO: | |
3048 | if (PL_statcache.st_size == 0) | |
3049 | RETPUSHYES; | |
3050 | break; | |
3051 | case OP_FTSOCK: | |
3052 | if (S_ISSOCK(PL_statcache.st_mode)) | |
3053 | RETPUSHYES; | |
3054 | break; | |
3055 | case OP_FTCHR: | |
3056 | if (S_ISCHR(PL_statcache.st_mode)) | |
3057 | RETPUSHYES; | |
3058 | break; | |
3059 | case OP_FTBLK: | |
3060 | if (S_ISBLK(PL_statcache.st_mode)) | |
3061 | RETPUSHYES; | |
3062 | break; | |
3063 | case OP_FTFILE: | |
3064 | if (S_ISREG(PL_statcache.st_mode)) | |
3065 | RETPUSHYES; | |
3066 | break; | |
3067 | case OP_FTDIR: | |
3068 | if (S_ISDIR(PL_statcache.st_mode)) | |
3069 | RETPUSHYES; | |
3070 | break; | |
3071 | case OP_FTPIPE: | |
3072 | if (S_ISFIFO(PL_statcache.st_mode)) | |
3073 | RETPUSHYES; | |
3074 | break; | |
a0d0e21e | 3075 | #ifdef S_ISUID |
17ad201a NC |
3076 | case OP_FTSUID: |
3077 | if (PL_statcache.st_mode & S_ISUID) | |
3078 | RETPUSHYES; | |
3079 | break; | |
a0d0e21e | 3080 | #endif |
a0d0e21e | 3081 | #ifdef S_ISGID |
17ad201a NC |
3082 | case OP_FTSGID: |
3083 | if (PL_statcache.st_mode & S_ISGID) | |
3084 | RETPUSHYES; | |
3085 | break; | |
3086 | #endif | |
3087 | #ifdef S_ISVTX | |
3088 | case OP_FTSVTX: | |
3089 | if (PL_statcache.st_mode & S_ISVTX) | |
3090 | RETPUSHYES; | |
3091 | break; | |
a0d0e21e | 3092 | #endif |
17ad201a | 3093 | } |
a0d0e21e LW |
3094 | RETPUSHNO; |
3095 | } | |
3096 | ||
17ad201a | 3097 | PP(pp_ftlink) |
a0d0e21e | 3098 | { |
97aff369 | 3099 | dVAR; |
17ad201a | 3100 | I32 result = my_lstat(); |
39644a26 | 3101 | dSP; |
a0d0e21e LW |
3102 | if (result < 0) |
3103 | RETPUSHUNDEF; | |
17ad201a | 3104 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e | 3105 | RETPUSHYES; |
a0d0e21e LW |
3106 | RETPUSHNO; |
3107 | } | |
3108 | ||
3109 | PP(pp_fttty) | |
3110 | { | |
97aff369 | 3111 | dVAR; |
39644a26 | 3112 | dSP; |
a0d0e21e LW |
3113 | int fd; |
3114 | GV *gv; | |
7a5fd60d | 3115 | SV *tmpsv = Nullsv; |
fb73857a | 3116 | |
fbb0b3b3 RGS |
3117 | STACKED_FTEST_CHECK; |
3118 | ||
533c011a | 3119 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3120 | gv = cGVOP_gv; |
fb73857a | 3121 | else if (isGV(TOPs)) |
3122 | gv = (GV*)POPs; | |
3123 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3124 | gv = (GV*)SvRV(POPs); | |
a0d0e21e | 3125 | else |
f776e3cd | 3126 | gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO); |
fb73857a | 3127 | |
a0d0e21e | 3128 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3129 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
7a5fd60d | 3130 | else if (tmpsv && SvOK(tmpsv)) { |
349d4f2f | 3131 | const char *tmps = SvPV_nolen_const(tmpsv); |
7a5fd60d NC |
3132 | if (isDIGIT(*tmps)) |
3133 | fd = atoi(tmps); | |
3134 | else | |
3135 | RETPUSHUNDEF; | |
3136 | } | |
a0d0e21e LW |
3137 | else |
3138 | RETPUSHUNDEF; | |
6ad3d225 | 3139 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3140 | RETPUSHYES; |
3141 | RETPUSHNO; | |
3142 | } | |
3143 | ||
16d20bd9 AD |
3144 | #if defined(atarist) /* this will work with atariST. Configure will |
3145 | make guesses for other systems. */ | |
3146 | # define FILE_base(f) ((f)->_base) | |
3147 | # define FILE_ptr(f) ((f)->_ptr) | |
3148 | # define FILE_cnt(f) ((f)->_cnt) | |
3149 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3150 | #endif |
3151 | ||
3152 | PP(pp_fttext) | |
3153 | { | |
97aff369 | 3154 | dVAR; |
39644a26 | 3155 | dSP; |
a0d0e21e LW |
3156 | I32 i; |
3157 | I32 len; | |
3158 | I32 odd = 0; | |
3159 | STDCHAR tbuf[512]; | |
3160 | register STDCHAR *s; | |
3161 | register IO *io; | |
5f05dabc | 3162 | register SV *sv; |
3163 | GV *gv; | |
146174a9 | 3164 | PerlIO *fp; |
a0d0e21e | 3165 | |
fbb0b3b3 RGS |
3166 | STACKED_FTEST_CHECK; |
3167 | ||
533c011a | 3168 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3169 | gv = cGVOP_gv; |
5f05dabc | 3170 | else if (isGV(TOPs)) |
3171 | gv = (GV*)POPs; | |
3172 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) | |
3173 | gv = (GV*)SvRV(POPs); | |
3174 | else | |
3175 | gv = Nullgv; | |
3176 | ||
3177 | if (gv) { | |
a0d0e21e | 3178 | EXTEND(SP, 1); |
3280af22 NIS |
3179 | if (gv == PL_defgv) { |
3180 | if (PL_statgv) | |
3181 | io = GvIO(PL_statgv); | |
a0d0e21e | 3182 | else { |
3280af22 | 3183 | sv = PL_statname; |
a0d0e21e LW |
3184 | goto really_filename; |
3185 | } | |
3186 | } | |
3187 | else { | |
3280af22 NIS |
3188 | PL_statgv = gv; |
3189 | PL_laststatval = -1; | |
c69006e4 | 3190 | sv_setpvn(PL_statname, "", 0); |
3280af22 | 3191 | io = GvIO(PL_statgv); |
a0d0e21e LW |
3192 | } |
3193 | if (io && IoIFP(io)) { | |
5f05dabc | 3194 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3195 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3196 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3197 | if (PL_laststatval < 0) | |
5f05dabc | 3198 | RETPUSHUNDEF; |
9cbac4c7 | 3199 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3200 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3201 | RETPUSHNO; |
3202 | else | |
3203 | RETPUSHYES; | |
9cbac4c7 | 3204 | } |
a20bf0c3 | 3205 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3206 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3207 | if (i != EOF) |
760ac839 | 3208 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3209 | } |
a20bf0c3 | 3210 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3211 | RETPUSHYES; |
a20bf0c3 JH |
3212 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3213 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3214 | /* sfio can have large buffers - limit to 512 */ |
3215 | if (len > 512) | |
3216 | len = 512; | |
a0d0e21e LW |
3217 | } |
3218 | else { | |
2dd78f96 | 3219 | if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) { |
146174a9 | 3220 | gv = cGVOP_gv; |
2dd78f96 | 3221 | report_evil_fh(gv, GvIO(gv), PL_op->op_type); |
146174a9 | 3222 | } |
93189314 | 3223 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3224 | RETPUSHUNDEF; |
3225 | } | |
3226 | } | |
3227 | else { | |
3228 | sv = POPs; | |
5f05dabc | 3229 | really_filename: |
3280af22 | 3230 | PL_statgv = Nullgv; |
5c9aa243 | 3231 | PL_laststype = OP_STAT; |
d5263905 | 3232 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
aa07b2f6 | 3233 | if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) { |
349d4f2f NC |
3234 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), |
3235 | '\n')) | |
9014280d | 3236 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
a0d0e21e LW |
3237 | RETPUSHUNDEF; |
3238 | } | |
146174a9 CB |
3239 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3240 | if (PL_laststatval < 0) { | |
3241 | (void)PerlIO_close(fp); | |
5f05dabc | 3242 | RETPUSHUNDEF; |
146174a9 | 3243 | } |
60382766 | 3244 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch); |
146174a9 CB |
3245 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3246 | (void)PerlIO_close(fp); | |
a0d0e21e | 3247 | if (len <= 0) { |
533c011a | 3248 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3249 | RETPUSHNO; /* special case NFS directories */ |
3250 | RETPUSHYES; /* null file is anything */ | |
3251 | } | |
3252 | s = tbuf; | |
3253 | } | |
3254 | ||
3255 | /* now scan s to look for textiness */ | |
4633a7c4 | 3256 | /* XXX ASCII dependent code */ |
a0d0e21e | 3257 | |
146174a9 CB |
3258 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3259 | /* ignore trailing ^Z on short files */ | |
3260 | if (len && len < sizeof(tbuf) && tbuf[len-1] == 26) | |
3261 | --len; | |
3262 | #endif | |
3263 | ||
a0d0e21e LW |
3264 | for (i = 0; i < len; i++, s++) { |
3265 | if (!*s) { /* null never allowed in text */ | |
3266 | odd += len; | |
3267 | break; | |
3268 | } | |
9d116dd7 | 3269 | #ifdef EBCDIC |
301e8125 | 3270 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3271 | odd++; |
3272 | #else | |
146174a9 CB |
3273 | else if (*s & 128) { |
3274 | #ifdef USE_LOCALE | |
2de3dbcc | 3275 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3276 | continue; |
3277 | #endif | |
3278 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3279 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3280 | int ulen = UTF8SKIP(s); |
3281 | if (ulen < len - i) { | |
3282 | int j; | |
3283 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3284 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3285 | goto not_utf8; |
3286 | } | |
3287 | --ulen; /* loop does extra increment */ | |
3288 | s += ulen; | |
3289 | i += ulen; | |
3290 | continue; | |
3291 | } | |
3292 | } | |
3293 | not_utf8: | |
3294 | odd++; | |
146174a9 | 3295 | } |
a0d0e21e LW |
3296 | else if (*s < 32 && |
3297 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3298 | *s != '\t' && *s != '\f' && *s != 27) | |
3299 | odd++; | |
9d116dd7 | 3300 | #endif |
a0d0e21e LW |
3301 | } |
3302 | ||
533c011a | 3303 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3304 | RETPUSHNO; |
3305 | else | |
3306 | RETPUSHYES; | |
3307 | } | |
3308 | ||
a0d0e21e LW |
3309 | /* File calls. */ |
3310 | ||
3311 | PP(pp_chdir) | |
3312 | { | |
97aff369 | 3313 | dVAR; dSP; dTARGET; |
c445ea15 | 3314 | const char *tmps = NULL; |
9a957fbc | 3315 | GV *gv = NULL; |
a0d0e21e | 3316 | |
c4aca7d0 | 3317 | if( MAXARG == 1 ) { |
9a957fbc | 3318 | SV * const sv = POPs; |
c4aca7d0 GA |
3319 | if (SvTYPE(sv) == SVt_PVGV) { |
3320 | gv = (GV*)sv; | |
3321 | } | |
3322 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) { | |
3323 | gv = (GV*)SvRV(sv); | |
3324 | } | |
3325 | else { | |
3326 | tmps = SvPVx_nolen_const(sv); | |
3327 | } | |
3328 | } | |
35ae6b54 | 3329 | |
c4aca7d0 | 3330 | if( !gv && (!tmps || !*tmps) ) { |
9a957fbc AL |
3331 | HV * const table = GvHVn(PL_envgv); |
3332 | SV **svp; | |
3333 | ||
a4fc7abc AL |
3334 | if ( (svp = hv_fetchs(table, "HOME", FALSE)) |
3335 | || (svp = hv_fetchs(table, "LOGDIR", FALSE)) | |
491527d0 | 3336 | #ifdef VMS |
a4fc7abc | 3337 | || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE)) |
491527d0 | 3338 | #endif |
35ae6b54 MS |
3339 | ) |
3340 | { | |
3341 | if( MAXARG == 1 ) | |
9014280d | 3342 | deprecate("chdir('') or chdir(undef) as chdir()"); |
8c074e2a | 3343 | tmps = SvPV_nolen_const(*svp); |
35ae6b54 | 3344 | } |
72f496dc | 3345 | else { |
389ec635 | 3346 | PUSHi(0); |
b7ab37f8 | 3347 | TAINT_PROPER("chdir"); |
389ec635 MS |
3348 | RETURN; |
3349 | } | |
8ea155d1 | 3350 | } |
8ea155d1 | 3351 | |
a0d0e21e | 3352 | TAINT_PROPER("chdir"); |
c4aca7d0 GA |
3353 | if (gv) { |
3354 | #ifdef HAS_FCHDIR | |
9a957fbc | 3355 | IO* const io = GvIO(gv); |
c4aca7d0 GA |
3356 | if (io) { |
3357 | if (IoIFP(io)) { | |
3358 | PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0); | |
3359 | } | |
3360 | else if (IoDIRP(io)) { | |
3361 | #ifdef HAS_DIRFD | |
3362 | PUSHi(fchdir(dirfd(IoDIRP(io))) >= 0); | |
3363 | #else | |
0f1f2428 | 3364 | DIE(aTHX_ PL_no_func, "dirfd"); |
c4aca7d0 GA |
3365 | #endif |
3366 | } | |
3367 | else { | |
3368 | PUSHi(0); | |
3369 | } | |
3370 | } | |
3371 | else { | |
3372 | PUSHi(0); | |
3373 | } | |
3374 | #else | |
3375 | DIE(aTHX_ PL_no_func, "fchdir"); | |
3376 | #endif | |
3377 | } | |
3378 | else | |
b8ffc8df | 3379 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3380 | #ifdef VMS |
3381 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3382 | * in the future. */ | |
6b88bc9c | 3383 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3384 | #endif |
a0d0e21e LW |
3385 | RETURN; |
3386 | } | |
3387 | ||
3388 | PP(pp_chown) | |
3389 | { | |
97aff369 | 3390 | dVAR; dSP; dMARK; dTARGET; |
605b9385 | 3391 | const I32 value = (I32)apply(PL_op->op_type, MARK, SP); |
76ffd3b9 | 3392 | |
a0d0e21e | 3393 | SP = MARK; |
b59aed67 | 3394 | XPUSHi(value); |
a0d0e21e | 3395 | RETURN; |
a0d0e21e LW |
3396 | } |
3397 | ||
3398 | PP(pp_chroot) | |
3399 | { | |
a0d0e21e | 3400 | #ifdef HAS_CHROOT |
97aff369 | 3401 | dVAR; dSP; dTARGET; |
7452cf6a | 3402 | char * const tmps = POPpx; |
a0d0e21e LW |
3403 | TAINT_PROPER("chroot"); |
3404 | PUSHi( chroot(tmps) >= 0 ); | |
3405 | RETURN; | |
3406 | #else | |
cea2e8a9 | 3407 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3408 | #endif |
3409 | } | |
3410 | ||
a0d0e21e LW |
3411 | PP(pp_rename) |
3412 | { | |
97aff369 | 3413 | dVAR; dSP; dTARGET; |
a0d0e21e | 3414 | int anum; |
7452cf6a AL |
3415 | const char * const tmps2 = POPpconstx; |
3416 | const char * const tmps = SvPV_nolen_const(TOPs); | |
a0d0e21e LW |
3417 | TAINT_PROPER("rename"); |
3418 | #ifdef HAS_RENAME | |
baed7233 | 3419 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3420 | #else |
6b88bc9c | 3421 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3422 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3423 | anum = 1; | |
3424 | else { | |
3654eb6c | 3425 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3426 | (void)UNLINK(tmps2); |
3427 | if (!(anum = link(tmps, tmps2))) | |
3428 | anum = UNLINK(tmps); | |
3429 | } | |
a0d0e21e LW |
3430 | } |
3431 | #endif | |
3432 | SETi( anum >= 0 ); | |
3433 | RETURN; | |
3434 | } | |
3435 | ||
ce6987d0 | 3436 | #if defined(HAS_LINK) || defined(HAS_SYMLINK) |
a0d0e21e LW |
3437 | PP(pp_link) |
3438 | { | |
97aff369 | 3439 | dVAR; dSP; dTARGET; |
ce6987d0 NC |
3440 | const int op_type = PL_op->op_type; |
3441 | int result; | |
a0d0e21e | 3442 | |
ce6987d0 NC |
3443 | # ifndef HAS_LINK |
3444 | if (op_type == OP_LINK) | |
3445 | DIE(aTHX_ PL_no_func, "link"); | |
3446 | # endif | |
3447 | # ifndef HAS_SYMLINK | |
3448 | if (op_type == OP_SYMLINK) | |
3449 | DIE(aTHX_ PL_no_func, "symlink"); | |
3450 | # endif | |
3451 | ||
3452 | { | |
7452cf6a AL |
3453 | const char * const tmps2 = POPpconstx; |
3454 | const char * const tmps = SvPV_nolen_const(TOPs); | |
ce6987d0 NC |
3455 | TAINT_PROPER(PL_op_desc[op_type]); |
3456 | result = | |
3457 | # if defined(HAS_LINK) | |
3458 | # if defined(HAS_SYMLINK) | |
3459 | /* Both present - need to choose which. */ | |
3460 | (op_type == OP_LINK) ? | |
3461 | PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2); | |
3462 | # else | |
4a8ebb7f SH |
3463 | /* Only have link, so calls to pp_symlink will have DIE()d above. */ |
3464 | PerlLIO_link(tmps, tmps2); | |
ce6987d0 NC |
3465 | # endif |
3466 | # else | |
3467 | # if defined(HAS_SYMLINK) | |
4a8ebb7f SH |
3468 | /* Only have symlink, so calls to pp_link will have DIE()d above. */ |
3469 | symlink(tmps, tmps2); | |
ce6987d0 NC |
3470 | # endif |
3471 | # endif | |
3472 | } | |
3473 | ||
3474 | SETi( result >= 0 ); | |
a0d0e21e | 3475 | RETURN; |
ce6987d0 | 3476 | } |
a0d0e21e | 3477 | #else |
ce6987d0 NC |
3478 | PP(pp_link) |
3479 | { | |
3480 | /* Have neither. */ | |
3481 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 3482 | } |
ce6987d0 | 3483 | #endif |
a0d0e21e LW |
3484 | |
3485 | PP(pp_readlink) | |
3486 | { | |
97aff369 | 3487 | dVAR; |
76ffd3b9 | 3488 | dSP; |
a0d0e21e | 3489 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3490 | dTARGET; |
10516c54 | 3491 | const char *tmps; |
46fc3d4c | 3492 | char buf[MAXPATHLEN]; |
a0d0e21e | 3493 | int len; |
46fc3d4c | 3494 | |
fb73857a | 3495 | #ifndef INCOMPLETE_TAINTS |
3496 | TAINT; | |
3497 | #endif | |
10516c54 | 3498 | tmps = POPpconstx; |
97dcea33 | 3499 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3500 | EXTEND(SP, 1); |
3501 | if (len < 0) | |
3502 | RETPUSHUNDEF; | |
3503 | PUSHp(buf, len); | |
3504 | RETURN; | |
3505 | #else | |
3506 | EXTEND(SP, 1); | |
3507 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3508 | #endif | |
3509 | } | |
3510 | ||
3511 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3512 | STATIC int |
b464bac0 | 3513 | S_dooneliner(pTHX_ const char *cmd, const char *filename) |
a0d0e21e | 3514 | { |
b464bac0 | 3515 | char * const save_filename = filename; |
1e422769 | 3516 | char *cmdline; |
3517 | char *s; | |
760ac839 | 3518 | PerlIO *myfp; |
1e422769 | 3519 | int anum = 1; |
a0d0e21e | 3520 | |
a02a5408 | 3521 | Newx(cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char); |
1e422769 | 3522 | strcpy(cmdline, cmd); |
3523 | strcat(cmdline, " "); | |
3524 | for (s = cmdline + strlen(cmdline); *filename; ) { | |
a0d0e21e LW |
3525 | *s++ = '\\'; |
3526 | *s++ = *filename++; | |
3527 | } | |
3528 | strcpy(s, " 2>&1"); | |
6ad3d225 | 3529 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3530 | Safefree(cmdline); |
3531 | ||
a0d0e21e | 3532 | if (myfp) { |
0bcc34c2 | 3533 | SV * const tmpsv = sv_newmortal(); |
6b88bc9c | 3534 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3535 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3536 | (void)PerlProc_pclose(myfp); |
a0d0e21e | 3537 | if (s != Nullch) { |
1e422769 | 3538 | int e; |
3539 | for (e = 1; | |
a0d0e21e | 3540 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3541 | e <= sys_nerr |
3542 | #endif | |
3543 | ; e++) | |
3544 | { | |
3545 | /* you don't see this */ | |
3546 | char *errmsg = | |
3547 | #ifdef HAS_SYS_ERRLIST | |
3548 | sys_errlist[e] | |
a0d0e21e | 3549 | #else |
1e422769 | 3550 | strerror(e) |
a0d0e21e | 3551 | #endif |
1e422769 | 3552 | ; |
3553 | if (!errmsg) | |
3554 | break; | |
3555 | if (instr(s, errmsg)) { | |
3556 | SETERRNO(e,0); | |
3557 | return 0; | |
3558 | } | |
a0d0e21e | 3559 | } |
748a9306 | 3560 | SETERRNO(0,0); |
a0d0e21e LW |
3561 | #ifndef EACCES |
3562 | #define EACCES EPERM | |
3563 | #endif | |
1e422769 | 3564 | if (instr(s, "cannot make")) |
93189314 | 3565 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3566 | else if (instr(s, "existing file")) |
93189314 | 3567 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3568 | else if (instr(s, "ile exists")) |
93189314 | 3569 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3570 | else if (instr(s, "non-exist")) |
93189314 | 3571 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3572 | else if (instr(s, "does not exist")) |
93189314 | 3573 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3574 | else if (instr(s, "not empty")) |
93189314 | 3575 | SETERRNO(EBUSY,SS_DEVOFFLINE); |
1e422769 | 3576 | else if (instr(s, "cannot access")) |
93189314 | 3577 | SETERRNO(EACCES,RMS_PRV); |
a0d0e21e | 3578 | else |
93189314 | 3579 | SETERRNO(EPERM,RMS_PRV); |
a0d0e21e LW |
3580 | return 0; |
3581 | } | |
3582 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3583 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3584 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3585 | anum = !anum; |
3586 | if (anum) | |
748a9306 | 3587 | SETERRNO(0,0); |
a0d0e21e | 3588 | else |
93189314 | 3589 | SETERRNO(EACCES,RMS_PRV); /* a guess */ |
a0d0e21e LW |
3590 | } |
3591 | return anum; | |
3592 | } | |
3593 | else | |
3594 | return 0; | |
3595 | } | |
3596 | #endif | |
3597 | ||
0c54f65b RGS |
3598 | /* This macro removes trailing slashes from a directory name. |
3599 | * Different operating and file systems take differently to | |
3600 | * trailing slashes. According to POSIX 1003.1 1996 Edition | |
3601 | * any number of trailing slashes should be allowed. | |
3602 | * Thusly we snip them away so that even non-conforming | |
3603 | * systems are happy. | |
3604 | * We should probably do this "filtering" for all | |
3605 | * the functions that expect (potentially) directory names: | |
3606 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3607 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3608 | ||
5c144d81 | 3609 | #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \ |
0c54f65b RGS |
3610 | if ((len) > 1 && (tmps)[(len)-1] == '/') { \ |
3611 | do { \ | |
3612 | (len)--; \ | |
3613 | } while ((len) > 1 && (tmps)[(len)-1] == '/'); \ | |
3614 | (tmps) = savepvn((tmps), (len)); \ | |
3615 | (copy) = TRUE; \ | |
3616 | } | |
3617 | ||
a0d0e21e LW |
3618 | PP(pp_mkdir) |
3619 | { | |
97aff369 | 3620 | dVAR; dSP; dTARGET; |
df25ddba | 3621 | STRLEN len; |
5c144d81 | 3622 | const char *tmps; |
df25ddba | 3623 | bool copy = FALSE; |
7452cf6a | 3624 | const int mode = (MAXARG > 1) ? POPi : 0777; |
5a211162 | 3625 | |
0c54f65b | 3626 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3627 | |
3628 | TAINT_PROPER("mkdir"); | |
3629 | #ifdef HAS_MKDIR | |
b8ffc8df | 3630 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e | 3631 | #else |
0bcc34c2 AL |
3632 | { |
3633 | int oldumask; | |
a0d0e21e | 3634 | SETi( dooneliner("mkdir", tmps) ); |
6ad3d225 GS |
3635 | oldumask = PerlLIO_umask(0); |
3636 | PerlLIO_umask(oldumask); | |
3637 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
0bcc34c2 | 3638 | } |
a0d0e21e | 3639 | #endif |
df25ddba JH |
3640 | if (copy) |
3641 | Safefree(tmps); | |
a0d0e21e LW |
3642 | RETURN; |
3643 | } | |
3644 | ||
3645 | PP(pp_rmdir) | |
3646 | { | |
97aff369 | 3647 | dVAR; dSP; dTARGET; |
0c54f65b | 3648 | STRLEN len; |
5c144d81 | 3649 | const char *tmps; |
0c54f65b | 3650 | bool copy = FALSE; |
a0d0e21e | 3651 | |
0c54f65b | 3652 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3653 | TAINT_PROPER("rmdir"); |
3654 | #ifdef HAS_RMDIR | |
b8ffc8df | 3655 | SETi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e | 3656 | #else |
0c54f65b | 3657 | SETi( dooneliner("rmdir", tmps) ); |
a0d0e21e | 3658 | #endif |
0c54f65b RGS |
3659 | if (copy) |
3660 | Safefree(tmps); | |
a0d0e21e LW |
3661 | RETURN; |
3662 | } | |
3663 | ||
3664 | /* Directory calls. */ | |
3665 | ||
3666 | PP(pp_open_dir) | |
3667 | { | |
a0d0e21e | 3668 | #if defined(Direntry_t) && defined(HAS_READDIR) |
97aff369 | 3669 | dVAR; dSP; |
7452cf6a AL |
3670 | const char * const dirname = POPpconstx; |
3671 | GV * const gv = (GV*)POPs; | |
3672 | register IO * const io = GvIOn(gv); | |
a0d0e21e LW |
3673 | |
3674 | if (!io) | |
3675 | goto nope; | |
3676 | ||
3677 | if (IoDIRP(io)) | |
6ad3d225 | 3678 | PerlDir_close(IoDIRP(io)); |
b8ffc8df | 3679 | if (!(IoDIRP(io) = PerlDir_open(dirname))) |
a0d0e21e LW |
3680 | goto nope; |
3681 | ||
3682 | RETPUSHYES; | |
3683 | nope: | |
3684 | if (!errno) | |
93189314 | 3685 | SETERRNO(EBADF,RMS_DIR); |
a0d0e21e LW |
3686 | RETPUSHUNDEF; |
3687 | #else | |
cea2e8a9 | 3688 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3689 | #endif |
3690 | } | |
3691 | ||
3692 | PP(pp_readdir) | |
3693 | { | |
34b7f128 AMS |
3694 | #if !defined(Direntry_t) || !defined(HAS_READDIR) |
3695 | DIE(aTHX_ PL_no_dir_func, "readdir"); | |
3696 | #else | |
fd8cd3a3 | 3697 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3698 | Direntry_t *readdir (DIR *); |
a0d0e21e | 3699 | #endif |
97aff369 | 3700 | dVAR; |
34b7f128 AMS |
3701 | dSP; |
3702 | ||
3703 | SV *sv; | |
f54cb97a | 3704 | const I32 gimme = GIMME; |
7452cf6a AL |
3705 | GV * const gv = (GV *)POPs; |
3706 | register const Direntry_t *dp; | |
3707 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3708 | |
3b7fbd4a SP |
3709 | if (!io || !IoDIRP(io)) { |
3710 | if(ckWARN(WARN_IO)) { | |
3711 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3712 | "readdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3713 | } | |
3714 | goto nope; | |
3715 | } | |
a0d0e21e | 3716 | |
34b7f128 AMS |
3717 | do { |
3718 | dp = (Direntry_t *)PerlDir_read(IoDIRP(io)); | |
3719 | if (!dp) | |
3720 | break; | |
a0d0e21e | 3721 | #ifdef DIRNAMLEN |
34b7f128 | 3722 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3723 | #else |
34b7f128 | 3724 | sv = newSVpv(dp->d_name, 0); |
fb73857a | 3725 | #endif |
3726 | #ifndef INCOMPLETE_TAINTS | |
34b7f128 AMS |
3727 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3728 | SvTAINTED_on(sv); | |
a0d0e21e | 3729 | #endif |
34b7f128 | 3730 | XPUSHs(sv_2mortal(sv)); |
a0d0e21e | 3731 | } |
34b7f128 AMS |
3732 | while (gimme == G_ARRAY); |
3733 | ||
3734 | if (!dp && gimme != G_ARRAY) | |
3735 | goto nope; | |
3736 | ||
a0d0e21e LW |
3737 | RETURN; |
3738 | ||
3739 | nope: | |
3740 | if (!errno) | |
93189314 | 3741 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3742 | if (GIMME == G_ARRAY) |
3743 | RETURN; | |
3744 | else | |
3745 | RETPUSHUNDEF; | |
a0d0e21e LW |
3746 | #endif |
3747 | } | |
3748 | ||
3749 | PP(pp_telldir) | |
3750 | { | |
a0d0e21e | 3751 | #if defined(HAS_TELLDIR) || defined(telldir) |
27da23d5 | 3752 | dVAR; dSP; dTARGET; |
968dcd91 JH |
3753 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3754 | /* XXX netbsd still seemed to. | |
3755 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3756 | --JHI 1999-Feb-02 */ | |
3757 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3758 | long telldir (DIR *); |
dfe9444c | 3759 | # endif |
7452cf6a AL |
3760 | GV * const gv = (GV*)POPs; |
3761 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3762 | |
abc7ecad SP |
3763 | if (!io || !IoDIRP(io)) { |
3764 | if(ckWARN(WARN_IO)) { | |
3765 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3766 | "telldir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3767 | } | |
3768 | goto nope; | |
3769 | } | |
a0d0e21e | 3770 | |
6ad3d225 | 3771 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3772 | RETURN; |
3773 | nope: | |
3774 | if (!errno) | |
93189314 | 3775 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3776 | RETPUSHUNDEF; |
3777 | #else | |
cea2e8a9 | 3778 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3779 | #endif |
3780 | } | |
3781 | ||
3782 | PP(pp_seekdir) | |
3783 | { | |
a0d0e21e | 3784 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
97aff369 | 3785 | dVAR; dSP; |
7452cf6a AL |
3786 | const long along = POPl; |
3787 | GV * const gv = (GV*)POPs; | |
3788 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3789 | |
abc7ecad SP |
3790 | if (!io || !IoDIRP(io)) { |
3791 | if(ckWARN(WARN_IO)) { | |
3792 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3793 | "seekdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3794 | } | |
3795 | goto nope; | |
3796 | } | |
6ad3d225 | 3797 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3798 | |
3799 | RETPUSHYES; | |
3800 | nope: | |
3801 | if (!errno) | |
93189314 | 3802 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3803 | RETPUSHUNDEF; |
3804 | #else | |
cea2e8a9 | 3805 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3806 | #endif |
3807 | } | |
3808 | ||
3809 | PP(pp_rewinddir) | |
3810 | { | |
a0d0e21e | 3811 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
97aff369 | 3812 | dVAR; dSP; |
7452cf6a AL |
3813 | GV * const gv = (GV*)POPs; |
3814 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3815 | |
abc7ecad SP |
3816 | if (!io || !IoDIRP(io)) { |
3817 | if(ckWARN(WARN_IO)) { | |
3818 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3819 | "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3820 | } | |
a0d0e21e | 3821 | goto nope; |
abc7ecad | 3822 | } |
6ad3d225 | 3823 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3824 | RETPUSHYES; |
3825 | nope: | |
3826 | if (!errno) | |
93189314 | 3827 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3828 | RETPUSHUNDEF; |
3829 | #else | |
cea2e8a9 | 3830 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3831 | #endif |
3832 | } | |
3833 | ||
3834 | PP(pp_closedir) | |
3835 | { | |
a0d0e21e | 3836 | #if defined(Direntry_t) && defined(HAS_READDIR) |
97aff369 | 3837 | dVAR; dSP; |
7452cf6a AL |
3838 | GV * const gv = (GV*)POPs; |
3839 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3840 | |
abc7ecad SP |
3841 | if (!io || !IoDIRP(io)) { |
3842 | if(ckWARN(WARN_IO)) { | |
3843 | Perl_warner(aTHX_ packWARN(WARN_IO), | |
3844 | "closedir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3845 | } | |
3846 | goto nope; | |
3847 | } | |
a0d0e21e | 3848 | #ifdef VOID_CLOSEDIR |
6ad3d225 | 3849 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3850 | #else |
6ad3d225 | 3851 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3852 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3853 | goto nope; |
748a9306 | 3854 | } |
a0d0e21e LW |
3855 | #endif |
3856 | IoDIRP(io) = 0; | |
3857 | ||
3858 | RETPUSHYES; | |
3859 | nope: | |
3860 | if (!errno) | |
93189314 | 3861 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3862 | RETPUSHUNDEF; |
3863 | #else | |
cea2e8a9 | 3864 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
3865 | #endif |
3866 | } | |
3867 | ||
3868 | /* Process control. */ | |
3869 | ||
3870 | PP(pp_fork) | |
3871 | { | |
44a8e56a | 3872 | #ifdef HAS_FORK |
97aff369 | 3873 | dVAR; dSP; dTARGET; |
761237fe | 3874 | Pid_t childpid; |
a0d0e21e LW |
3875 | |
3876 | EXTEND(SP, 1); | |
45bc9206 | 3877 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 3878 | childpid = PerlProc_fork(); |
a0d0e21e LW |
3879 | if (childpid < 0) |
3880 | RETSETUNDEF; | |
3881 | if (!childpid) { | |
f776e3cd | 3882 | GV * const tmpgv = gv_fetchpv("$", GV_ADD, SVt_PV); |
7452cf6a | 3883 | if (tmpgv) { |
306196c3 | 3884 | SvREADONLY_off(GvSV(tmpgv)); |
146174a9 | 3885 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3886 | SvREADONLY_on(GvSV(tmpgv)); |
3887 | } | |
4d76a344 RGS |
3888 | #ifdef THREADS_HAVE_PIDS |
3889 | PL_ppid = (IV)getppid(); | |
3890 | #endif | |
ca0c25f6 | 3891 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 3892 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
ca0c25f6 | 3893 | #endif |
a0d0e21e LW |
3894 | } |
3895 | PUSHi(childpid); | |
3896 | RETURN; | |
3897 | #else | |
146174a9 | 3898 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 3899 | dSP; dTARGET; |
146174a9 CB |
3900 | Pid_t childpid; |
3901 | ||
3902 | EXTEND(SP, 1); | |
3903 | PERL_FLUSHALL_FOR_CHILD; | |
3904 | childpid = PerlProc_fork(); | |
60fa28ff GS |
3905 | if (childpid == -1) |
3906 | RETSETUNDEF; | |
146174a9 CB |
3907 | PUSHi(childpid); |
3908 | RETURN; | |
3909 | # else | |
0322a713 | 3910 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 3911 | # endif |
a0d0e21e LW |
3912 | #endif |
3913 | } | |
3914 | ||
3915 | PP(pp_wait) | |
3916 | { | |
301e8125 | 3917 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
97aff369 | 3918 | dVAR; dSP; dTARGET; |
761237fe | 3919 | Pid_t childpid; |
a0d0e21e | 3920 | int argflags; |
a0d0e21e | 3921 | |
4ffa73a3 JH |
3922 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
3923 | childpid = wait4pid(-1, &argflags, 0); | |
3924 | else { | |
3925 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && | |
3926 | errno == EINTR) { | |
3927 | PERL_ASYNC_CHECK(); | |
3928 | } | |
0a0ada86 | 3929 | } |
68a29c53 GS |
3930 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3931 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 3932 | STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1); |
68a29c53 | 3933 | # else |
2fbb330f | 3934 | STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 3935 | # endif |
44a8e56a | 3936 | XPUSHi(childpid); |
a0d0e21e LW |
3937 | RETURN; |
3938 | #else | |
0322a713 | 3939 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
3940 | #endif |
3941 | } | |
3942 | ||
3943 | PP(pp_waitpid) | |
3944 | { | |
301e8125 | 3945 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
97aff369 | 3946 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
3947 | const int optype = POPi; |
3948 | const Pid_t pid = TOPi; | |
2ec0bfb3 | 3949 | Pid_t result; |
a0d0e21e | 3950 | int argflags; |
a0d0e21e | 3951 | |
4ffa73a3 | 3952 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
2ec0bfb3 | 3953 | result = wait4pid(pid, &argflags, optype); |
4ffa73a3 | 3954 | else { |
2ec0bfb3 | 3955 | while ((result = wait4pid(pid, &argflags, optype)) == -1 && |
4ffa73a3 JH |
3956 | errno == EINTR) { |
3957 | PERL_ASYNC_CHECK(); | |
3958 | } | |
0a0ada86 | 3959 | } |
68a29c53 GS |
3960 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
3961 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 3962 | STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1); |
68a29c53 | 3963 | # else |
2fbb330f | 3964 | STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1); |
68a29c53 | 3965 | # endif |
2ec0bfb3 | 3966 | SETi(result); |
a0d0e21e LW |
3967 | RETURN; |
3968 | #else | |
0322a713 | 3969 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
3970 | #endif |
3971 | } | |
3972 | ||
3973 | PP(pp_system) | |
3974 | { | |
97aff369 | 3975 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 3976 | I32 value; |
76ffd3b9 | 3977 | int result; |
a0d0e21e | 3978 | |
bbd7eb8a RD |
3979 | if (PL_tainting) { |
3980 | TAINT_ENV(); | |
3981 | while (++MARK <= SP) { | |
10516c54 | 3982 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 3983 | if (PL_tainted) |
bbd7eb8a RD |
3984 | break; |
3985 | } | |
3986 | MARK = ORIGMARK; | |
5a445156 | 3987 | TAINT_PROPER("system"); |
a0d0e21e | 3988 | } |
45bc9206 | 3989 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 3990 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 | 3991 | { |
eb160463 GS |
3992 | Pid_t childpid; |
3993 | int pp[2]; | |
27da23d5 | 3994 | I32 did_pipes = 0; |
eb160463 GS |
3995 | |
3996 | if (PerlProc_pipe(pp) >= 0) | |
3997 | did_pipes = 1; | |
3998 | while ((childpid = PerlProc_fork()) == -1) { | |
3999 | if (errno != EAGAIN) { | |
4000 | value = -1; | |
4001 | SP = ORIGMARK; | |
b59aed67 | 4002 | XPUSHi(value); |
eb160463 GS |
4003 | if (did_pipes) { |
4004 | PerlLIO_close(pp[0]); | |
4005 | PerlLIO_close(pp[1]); | |
4006 | } | |
4007 | RETURN; | |
4008 | } | |
4009 | sleep(5); | |
4010 | } | |
4011 | if (childpid > 0) { | |
4012 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
4013 | int status; | |
4014 | ||
4015 | if (did_pipes) | |
4016 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4017 | #ifndef PERL_MICRO |
8aad04aa JH |
4018 | rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand); |
4019 | rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand); | |
64ca3a65 | 4020 | #endif |
eb160463 GS |
4021 | do { |
4022 | result = wait4pid(childpid, &status, 0); | |
4023 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4024 | #ifndef PERL_MICRO |
eb160463 GS |
4025 | (void)rsignal_restore(SIGINT, &ihand); |
4026 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4027 | #endif | |
37038d91 | 4028 | STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status); |
eb160463 GS |
4029 | do_execfree(); /* free any memory child malloced on fork */ |
4030 | SP = ORIGMARK; | |
4031 | if (did_pipes) { | |
4032 | int errkid; | |
4033 | int n = 0, n1; | |
4034 | ||
4035 | while (n < sizeof(int)) { | |
4036 | n1 = PerlLIO_read(pp[0], | |
4037 | (void*)(((char*)&errkid)+n), | |
4038 | (sizeof(int)) - n); | |
4039 | if (n1 <= 0) | |
4040 | break; | |
4041 | n += n1; | |
4042 | } | |
4043 | PerlLIO_close(pp[0]); | |
4044 | if (n) { /* Error */ | |
4045 | if (n != sizeof(int)) | |
4046 | DIE(aTHX_ "panic: kid popen errno read"); | |
4047 | errno = errkid; /* Propagate errno from kid */ | |
37038d91 | 4048 | STATUS_NATIVE_CHILD_SET(-1); |
eb160463 GS |
4049 | } |
4050 | } | |
b59aed67 | 4051 | XPUSHi(STATUS_CURRENT); |
eb160463 GS |
4052 | RETURN; |
4053 | } | |
4054 | if (did_pipes) { | |
4055 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4056 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
eb160463 | 4057 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4058 | #endif |
eb160463 | 4059 | } |
e0a1f643 | 4060 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4061 | SV * const really = *++MARK; |
e0a1f643 JH |
4062 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
4063 | } | |
4064 | else if (SP - MARK != 1) | |
4065 | value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes); | |
4066 | else { | |
8c074e2a | 4067 | value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes); |
e0a1f643 JH |
4068 | } |
4069 | PerlProc__exit(-1); | |
d5a9bfb0 | 4070 | } |
c3293030 | 4071 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4072 | PL_statusvalue = 0; |
4073 | result = 0; | |
911d147d | 4074 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4075 | SV * const really = *++MARK; |
a0fd4948 | 4076 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) |
54725af6 GS |
4077 | value = (I32)do_aspawn(really, MARK, SP); |
4078 | # else | |
c5be433b | 4079 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
54725af6 | 4080 | # endif |
a0d0e21e | 4081 | } |
54725af6 | 4082 | else if (SP - MARK != 1) { |
a0fd4948 | 4083 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) |
54725af6 GS |
4084 | value = (I32)do_aspawn(Nullsv, MARK, SP); |
4085 | # else | |
c5be433b | 4086 | value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP); |
54725af6 GS |
4087 | # endif |
4088 | } | |
a0d0e21e | 4089 | else { |
8c074e2a | 4090 | value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4091 | } |
922b1888 GS |
4092 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4093 | result = 1; | |
2fbb330f | 4094 | STATUS_NATIVE_CHILD_SET(value); |
a0d0e21e LW |
4095 | do_execfree(); |
4096 | SP = ORIGMARK; | |
b59aed67 | 4097 | XPUSHi(result ? value : STATUS_CURRENT); |
a0d0e21e LW |
4098 | #endif /* !FORK or VMS */ |
4099 | RETURN; | |
4100 | } | |
4101 | ||
4102 | PP(pp_exec) | |
4103 | { | |
97aff369 | 4104 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4105 | I32 value; |
4106 | ||
bbd7eb8a RD |
4107 | if (PL_tainting) { |
4108 | TAINT_ENV(); | |
4109 | while (++MARK <= SP) { | |
10516c54 | 4110 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 4111 | if (PL_tainted) |
bbd7eb8a RD |
4112 | break; |
4113 | } | |
4114 | MARK = ORIGMARK; | |
5a445156 | 4115 | TAINT_PROPER("exec"); |
bbd7eb8a | 4116 | } |
45bc9206 | 4117 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4118 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4119 | SV * const really = *++MARK; |
a0d0e21e LW |
4120 | value = (I32)do_aexec(really, MARK, SP); |
4121 | } | |
4122 | else if (SP - MARK != 1) | |
4123 | #ifdef VMS | |
4124 | value = (I32)vms_do_aexec(Nullsv, MARK, SP); | |
4125 | #else | |
092bebab JH |
4126 | # ifdef __OPEN_VM |
4127 | { | |
c5be433b | 4128 | (void ) do_aspawn(Nullsv, MARK, SP); |
092bebab JH |
4129 | value = 0; |
4130 | } | |
4131 | # else | |
a0d0e21e | 4132 | value = (I32)do_aexec(Nullsv, MARK, SP); |
092bebab | 4133 | # endif |
a0d0e21e LW |
4134 | #endif |
4135 | else { | |
a0d0e21e | 4136 | #ifdef VMS |
8c074e2a | 4137 | value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4138 | #else |
092bebab | 4139 | # ifdef __OPEN_VM |
8c074e2a | 4140 | (void) do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab JH |
4141 | value = 0; |
4142 | # else | |
8c074e2a | 4143 | value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab | 4144 | # endif |
a0d0e21e LW |
4145 | #endif |
4146 | } | |
146174a9 | 4147 | |
a0d0e21e | 4148 | SP = ORIGMARK; |
b59aed67 | 4149 | XPUSHi(value); |
a0d0e21e LW |
4150 | RETURN; |
4151 | } | |
4152 | ||
a0d0e21e LW |
4153 | PP(pp_getppid) |
4154 | { | |
4155 | #ifdef HAS_GETPPID | |
97aff369 | 4156 | dVAR; dSP; dTARGET; |
4d76a344 | 4157 | # ifdef THREADS_HAVE_PIDS |
e39f92a7 RGS |
4158 | if (PL_ppid != 1 && getppid() == 1) |
4159 | /* maybe the parent process has died. Refresh ppid cache */ | |
4160 | PL_ppid = 1; | |
4d76a344 RGS |
4161 | XPUSHi( PL_ppid ); |
4162 | # else | |
a0d0e21e | 4163 | XPUSHi( getppid() ); |
4d76a344 | 4164 | # endif |
a0d0e21e LW |
4165 | RETURN; |
4166 | #else | |
cea2e8a9 | 4167 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4168 | #endif |
4169 | } | |
4170 | ||
4171 | PP(pp_getpgrp) | |
4172 | { | |
4173 | #ifdef HAS_GETPGRP | |
97aff369 | 4174 | dVAR; dSP; dTARGET; |
9853a804 | 4175 | Pid_t pgrp; |
0bcc34c2 | 4176 | const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs); |
a0d0e21e | 4177 | |
c3293030 | 4178 | #ifdef BSD_GETPGRP |
9853a804 | 4179 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4180 | #else |
146174a9 | 4181 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4182 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4183 | pgrp = getpgrp(); |
a0d0e21e | 4184 | #endif |
9853a804 | 4185 | XPUSHi(pgrp); |
a0d0e21e LW |
4186 | RETURN; |
4187 | #else | |
cea2e8a9 | 4188 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4189 | #endif |
4190 | } | |
4191 | ||
4192 | PP(pp_setpgrp) | |
4193 | { | |
4194 | #ifdef HAS_SETPGRP | |
97aff369 | 4195 | dVAR; dSP; dTARGET; |
d8a83dd3 JH |
4196 | Pid_t pgrp; |
4197 | Pid_t pid; | |
a0d0e21e LW |
4198 | if (MAXARG < 2) { |
4199 | pgrp = 0; | |
4200 | pid = 0; | |
4201 | } | |
4202 | else { | |
4203 | pgrp = POPi; | |
4204 | pid = TOPi; | |
4205 | } | |
4206 | ||
4207 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4208 | #ifdef BSD_SETPGRP |
4209 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4210 | #else |
146174a9 CB |
4211 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4212 | || (pid != 0 && pid != PerlProc_getpid())) | |
4213 | { | |
4214 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4215 | } | |
a0d0e21e LW |
4216 | SETi( setpgrp() >= 0 ); |
4217 | #endif /* USE_BSDPGRP */ | |
4218 | RETURN; | |
4219 | #else | |
cea2e8a9 | 4220 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4221 | #endif |
4222 | } | |
4223 | ||
4224 | PP(pp_getpriority) | |
4225 | { | |
a0d0e21e | 4226 | #ifdef HAS_GETPRIORITY |
97aff369 | 4227 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4228 | const int who = POPi; |
4229 | const int which = TOPi; | |
a0d0e21e LW |
4230 | SETi( getpriority(which, who) ); |
4231 | RETURN; | |
4232 | #else | |
cea2e8a9 | 4233 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4234 | #endif |
4235 | } | |
4236 | ||
4237 | PP(pp_setpriority) | |
4238 | { | |
a0d0e21e | 4239 | #ifdef HAS_SETPRIORITY |
97aff369 | 4240 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4241 | const int niceval = POPi; |
4242 | const int who = POPi; | |
4243 | const int which = TOPi; | |
a0d0e21e LW |
4244 | TAINT_PROPER("setpriority"); |
4245 | SETi( setpriority(which, who, niceval) >= 0 ); | |
4246 | RETURN; | |
4247 | #else | |
cea2e8a9 | 4248 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4249 | #endif |
4250 | } | |
4251 | ||
4252 | /* Time calls. */ | |
4253 | ||
4254 | PP(pp_time) | |
4255 | { | |
97aff369 | 4256 | dVAR; dSP; dTARGET; |
cbdc8872 | 4257 | #ifdef BIG_TIME |
4258 | XPUSHn( time(Null(Time_t*)) ); | |
4259 | #else | |
a0d0e21e | 4260 | XPUSHi( time(Null(Time_t*)) ); |
cbdc8872 | 4261 | #endif |
a0d0e21e LW |
4262 | RETURN; |
4263 | } | |
4264 | ||
a0d0e21e LW |
4265 | PP(pp_tms) |
4266 | { | |
9cad6237 | 4267 | #ifdef HAS_TIMES |
97aff369 | 4268 | dVAR; |
39644a26 | 4269 | dSP; |
a0d0e21e | 4270 | EXTEND(SP, 4); |
a0d0e21e | 4271 | #ifndef VMS |
3280af22 | 4272 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4273 | #else |
6b88bc9c | 4274 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4275 | /* struct tms, though same data */ |
4276 | /* is returned. */ | |
a0d0e21e LW |
4277 | #endif |
4278 | ||
5311654c | 4279 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick))); |
a0d0e21e | 4280 | if (GIMME == G_ARRAY) { |
5311654c JH |
4281 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick))); |
4282 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick))); | |
4283 | PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick))); | |
a0d0e21e LW |
4284 | } |
4285 | RETURN; | |
9cad6237 | 4286 | #else |
2f42fcb0 JH |
4287 | # ifdef PERL_MICRO |
4288 | dSP; | |
4289 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4290 | EXTEND(SP, 4); | |
4291 | if (GIMME == G_ARRAY) { | |
4292 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4293 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4294 | PUSHs(sv_2mortal(newSVnv((NV)0.0))); | |
4295 | } | |
4296 | RETURN; | |
4297 | # else | |
9cad6237 | 4298 | DIE(aTHX_ "times not implemented"); |
2f42fcb0 | 4299 | # endif |
55497cff | 4300 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4301 | } |
4302 | ||
a4323dee | 4303 | #ifdef LOCALTIME_EDGECASE_BROKEN |
89261a6c | 4304 | static struct tm *S_my_localtime (pTHX_ Time_t *tp) |
a4323dee MB |
4305 | { |
4306 | auto time_t T; | |
4307 | auto struct tm *P; | |
4308 | ||
4309 | /* No workarounds in the valid range */ | |
4310 | if (!tp || *tp < 0x7fff573f || *tp >= 0x80000000) | |
4311 | return (localtime (tp)); | |
4312 | ||
4313 | /* This edge case is to workaround the undefined behaviour, where the | |
4314 | * TIMEZONE makes the time go beyond the defined range. | |
4315 | * gmtime (0x7fffffff) => 2038-01-19 03:14:07 | |
4316 | * If there is a negative offset in TZ, like MET-1METDST, some broken | |
4317 | * implementations of localtime () (like AIX 5.2) barf with bogus | |
4318 | * return values: | |
4319 | * 0x7fffffff gmtime 2038-01-19 03:14:07 | |
4320 | * 0x7fffffff localtime 1901-12-13 21:45:51 | |
4321 | * 0x7fffffff mylocaltime 2038-01-19 04:14:07 | |
4322 | * 0x3c19137f gmtime 2001-12-13 20:45:51 | |
4323 | * 0x3c19137f localtime 2001-12-13 21:45:51 | |
4324 | * 0x3c19137f mylocaltime 2001-12-13 21:45:51 | |
4325 | * Given that legal timezones are typically between GMT-12 and GMT+12 | |
4326 | * we turn back the clock 23 hours before calling the localtime | |
4327 | * function, and add those to the return value. This will never cause | |
3574fba9 | 4328 | * day wrapping problems, since the edge case is Tue Jan *19* |
a4323dee MB |
4329 | */ |
4330 | T = *tp - 82800; /* 23 hour. allows up to GMT-23 */ | |
4331 | P = localtime (&T); | |
4332 | P->tm_hour += 23; | |
4333 | if (P->tm_hour >= 24) { | |
4334 | P->tm_hour -= 24; | |
3574fba9 CW |
4335 | P->tm_mday++; /* 18 -> 19 */ |
4336 | P->tm_wday++; /* Mon -> Tue */ | |
4337 | P->tm_yday++; /* 18 -> 19 */ | |
a4323dee MB |
4338 | } |
4339 | return (P); | |
4340 | } /* S_my_localtime */ | |
4341 | #endif | |
4342 | ||
a0d0e21e LW |
4343 | PP(pp_gmtime) |
4344 | { | |
97aff369 | 4345 | dVAR; |
39644a26 | 4346 | dSP; |
a0d0e21e | 4347 | Time_t when; |
bfed75c6 | 4348 | const struct tm *tmbuf; |
27da23d5 JH |
4349 | static const char * const dayname[] = |
4350 | {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4351 | static const char * const monname[] = | |
4352 | {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4353 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
a0d0e21e LW |
4354 | |
4355 | if (MAXARG < 1) | |
4356 | (void)time(&when); | |
4357 | else | |
cbdc8872 | 4358 | #ifdef BIG_TIME |
4359 | when = (Time_t)SvNVx(POPs); | |
4360 | #else | |
a0d0e21e | 4361 | when = (Time_t)SvIVx(POPs); |
cbdc8872 | 4362 | #endif |
a0d0e21e | 4363 | |
533c011a | 4364 | if (PL_op->op_type == OP_LOCALTIME) |
a4323dee | 4365 | #ifdef LOCALTIME_EDGECASE_BROKEN |
89261a6c | 4366 | tmbuf = S_my_localtime(aTHX_ &when); |
a4323dee | 4367 | #else |
a0d0e21e | 4368 | tmbuf = localtime(&when); |
a4323dee | 4369 | #endif |
a0d0e21e LW |
4370 | else |
4371 | tmbuf = gmtime(&when); | |
4372 | ||
a0d0e21e | 4373 | if (GIMME != G_ARRAY) { |
46fc3d4c | 4374 | SV *tsv; |
9a5ff6d9 AB |
4375 | EXTEND(SP, 1); |
4376 | EXTEND_MORTAL(1); | |
a0d0e21e LW |
4377 | if (!tmbuf) |
4378 | RETPUSHUNDEF; | |
be28567c | 4379 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d", |
f5a29b03 RB |
4380 | dayname[tmbuf->tm_wday], |
4381 | monname[tmbuf->tm_mon], | |
be28567c GS |
4382 | tmbuf->tm_mday, |
4383 | tmbuf->tm_hour, | |
4384 | tmbuf->tm_min, | |
4385 | tmbuf->tm_sec, | |
4386 | tmbuf->tm_year + 1900); | |
46fc3d4c | 4387 | PUSHs(sv_2mortal(tsv)); |
a0d0e21e LW |
4388 | } |
4389 | else if (tmbuf) { | |
9a5ff6d9 AB |
4390 | EXTEND(SP, 9); |
4391 | EXTEND_MORTAL(9); | |
4392 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec))); | |
c6419e06 JH |
4393 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_min))); |
4394 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour))); | |
4395 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday))); | |
4396 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon))); | |
4397 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_year))); | |
4398 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday))); | |
4399 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday))); | |
4400 | PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst))); | |
a0d0e21e LW |
4401 | } |
4402 | RETURN; | |
4403 | } | |
4404 | ||
4405 | PP(pp_alarm) | |
4406 | { | |
9cad6237 | 4407 | #ifdef HAS_ALARM |
97aff369 | 4408 | dVAR; dSP; dTARGET; |
a0d0e21e | 4409 | int anum; |
a0d0e21e LW |
4410 | anum = POPi; |
4411 | anum = alarm((unsigned int)anum); | |
4412 | EXTEND(SP, 1); | |
4413 | if (anum < 0) | |
4414 | RETPUSHUNDEF; | |
c6419e06 | 4415 | PUSHi(anum); |
a0d0e21e LW |
4416 | RETURN; |
4417 | #else | |
0322a713 | 4418 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4419 | #endif |
4420 | } | |
4421 | ||
4422 | PP(pp_sleep) | |
4423 | { | |
97aff369 | 4424 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
4425 | I32 duration; |
4426 | Time_t lasttime; | |
4427 | Time_t when; | |
4428 | ||
4429 | (void)time(&lasttime); | |
4430 | if (MAXARG < 1) | |
76e3520e | 4431 | PerlProc_pause(); |
a0d0e21e LW |
4432 | else { |
4433 | duration = POPi; | |
76e3520e | 4434 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4435 | } |
4436 | (void)time(&when); | |
4437 | XPUSHi(when - lasttime); | |
4438 | RETURN; | |
4439 | } | |
4440 | ||
4441 | /* Shared memory. */ | |
c9f7ac20 | 4442 | /* Merged with some message passing. */ |
a0d0e21e | 4443 | |
a0d0e21e LW |
4444 | PP(pp_shmwrite) |
4445 | { | |
4446 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4447 | dVAR; dSP; dMARK; dTARGET; |
c9f7ac20 NC |
4448 | const int op_type = PL_op->op_type; |
4449 | I32 value; | |
a0d0e21e | 4450 | |
c9f7ac20 NC |
4451 | switch (op_type) { |
4452 | case OP_MSGSND: | |
4453 | value = (I32)(do_msgsnd(MARK, SP) >= 0); | |
4454 | break; | |
4455 | case OP_MSGRCV: | |
4456 | value = (I32)(do_msgrcv(MARK, SP) >= 0); | |
4457 | break; | |
ca563b4e NC |
4458 | case OP_SEMOP: |
4459 | value = (I32)(do_semop(MARK, SP) >= 0); | |
4460 | break; | |
c9f7ac20 NC |
4461 | default: |
4462 | value = (I32)(do_shmio(op_type, MARK, SP) >= 0); | |
4463 | break; | |
4464 | } | |
a0d0e21e | 4465 | |
a0d0e21e LW |
4466 | SP = MARK; |
4467 | PUSHi(value); | |
4468 | RETURN; | |
4469 | #else | |
cea2e8a9 | 4470 | return pp_semget(); |
a0d0e21e LW |
4471 | #endif |
4472 | } | |
4473 | ||
4474 | /* Semaphores. */ | |
4475 | ||
4476 | PP(pp_semget) | |
4477 | { | |
4478 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4479 | dVAR; dSP; dMARK; dTARGET; |
0bcc34c2 | 4480 | const int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4481 | SP = MARK; |
4482 | if (anum == -1) | |
4483 | RETPUSHUNDEF; | |
4484 | PUSHi(anum); | |
4485 | RETURN; | |
4486 | #else | |
cea2e8a9 | 4487 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4488 | #endif |
4489 | } | |
4490 | ||
4491 | PP(pp_semctl) | |
4492 | { | |
4493 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4494 | dVAR; dSP; dMARK; dTARGET; |
0bcc34c2 | 4495 | const int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4496 | SP = MARK; |
4497 | if (anum == -1) | |
4498 | RETSETUNDEF; | |
4499 | if (anum != 0) { | |
4500 | PUSHi(anum); | |
4501 | } | |
4502 | else { | |
8903cb82 | 4503 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4504 | } |
4505 | RETURN; | |
4506 | #else | |
cea2e8a9 | 4507 | return pp_semget(); |
a0d0e21e LW |
4508 | #endif |
4509 | } | |
4510 | ||
a0d0e21e LW |
4511 | /* Get system info. */ |
4512 | ||
a0d0e21e LW |
4513 | PP(pp_ghostent) |
4514 | { | |
693762b4 | 4515 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
97aff369 | 4516 | dVAR; dSP; |
533c011a | 4517 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4518 | register char **elem; |
4519 | register SV *sv; | |
dc45a647 | 4520 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4521 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4522 | struct hostent *gethostbyname(Netdb_name_t); | |
4523 | struct hostent *gethostent(void); | |
a0d0e21e LW |
4524 | #endif |
4525 | struct hostent *hent; | |
4526 | unsigned long len; | |
4527 | ||
4528 | EXTEND(SP, 10); | |
edd309b7 | 4529 | if (which == OP_GHBYNAME) { |
dc45a647 | 4530 | #ifdef HAS_GETHOSTBYNAME |
0bcc34c2 | 4531 | const char* const name = POPpbytex; |
edd309b7 | 4532 | hent = PerlSock_gethostbyname(name); |
dc45a647 | 4533 | #else |
cea2e8a9 | 4534 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4535 | #endif |
edd309b7 | 4536 | } |
a0d0e21e | 4537 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4538 | #ifdef HAS_GETHOSTBYADDR |
0bcc34c2 AL |
4539 | const int addrtype = POPi; |
4540 | SV * const addrsv = POPs; | |
a0d0e21e | 4541 | STRLEN addrlen; |
5bf7026a | 4542 | Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4543 | |
4599a1de | 4544 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4545 | #else |
cea2e8a9 | 4546 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4547 | #endif |
a0d0e21e LW |
4548 | } |
4549 | else | |
4550 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4551 | hent = PerlSock_gethostent(); |
a0d0e21e | 4552 | #else |
cea2e8a9 | 4553 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4554 | #endif |
4555 | ||
4556 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4557 | if (!hent) { |
4558 | #ifdef USE_REENTRANT_API | |
4559 | # ifdef USE_GETHOSTENT_ERRNO | |
4560 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4561 | # endif | |
4562 | #endif | |
37038d91 | 4563 | STATUS_UNIX_SET(h_errno); |
10bc17b6 | 4564 | } |
a0d0e21e LW |
4565 | #endif |
4566 | ||
4567 | if (GIMME != G_ARRAY) { | |
4568 | PUSHs(sv = sv_newmortal()); | |
4569 | if (hent) { | |
4570 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4571 | if (hent->h_addr) |
4572 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4573 | } |
4574 | else | |
4575 | sv_setpv(sv, (char*)hent->h_name); | |
4576 | } | |
4577 | RETURN; | |
4578 | } | |
4579 | ||
4580 | if (hent) { | |
3280af22 | 4581 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4582 | sv_setpv(sv, (char*)hent->h_name); |
3280af22 | 4583 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4584 | for (elem = hent->h_aliases; elem && *elem; elem++) { |
4585 | sv_catpv(sv, *elem); | |
4586 | if (elem[1]) | |
396482e1 | 4587 | sv_catpvs(sv, " "); |
a0d0e21e | 4588 | } |
3280af22 | 4589 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4590 | sv_setiv(sv, (IV)hent->h_addrtype); |
3280af22 | 4591 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4592 | len = hent->h_length; |
1e422769 | 4593 | sv_setiv(sv, (IV)len); |
a0d0e21e LW |
4594 | #ifdef h_addr |
4595 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
3280af22 | 4596 | XPUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4597 | sv_setpvn(sv, *elem, len); |
4598 | } | |
4599 | #else | |
6b88bc9c | 4600 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
fd0af264 | 4601 | if (hent->h_addr) |
4602 | sv_setpvn(sv, hent->h_addr, len); | |
a0d0e21e LW |
4603 | #endif /* h_addr */ |
4604 | } | |
4605 | RETURN; | |
4606 | #else | |
cea2e8a9 | 4607 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4608 | #endif |
4609 | } | |
4610 | ||
a0d0e21e LW |
4611 | PP(pp_gnetent) |
4612 | { | |
693762b4 | 4613 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
97aff369 | 4614 | dVAR; dSP; |
533c011a | 4615 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4616 | register char **elem; |
4617 | register SV *sv; | |
dc45a647 | 4618 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4619 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4620 | struct netent *getnetbyname(Netdb_name_t); | |
4621 | struct netent *getnetent(void); | |
8ac85365 | 4622 | #endif |
a0d0e21e LW |
4623 | struct netent *nent; |
4624 | ||
edd309b7 | 4625 | if (which == OP_GNBYNAME){ |
dc45a647 | 4626 | #ifdef HAS_GETNETBYNAME |
0bcc34c2 | 4627 | const char * const name = POPpbytex; |
edd309b7 | 4628 | nent = PerlSock_getnetbyname(name); |
dc45a647 | 4629 | #else |
cea2e8a9 | 4630 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4631 | #endif |
edd309b7 | 4632 | } |
a0d0e21e | 4633 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4634 | #ifdef HAS_GETNETBYADDR |
0bcc34c2 AL |
4635 | const int addrtype = POPi; |
4636 | const Netdb_net_t addr = (Netdb_net_t) (U32)POPu; | |
76e3520e | 4637 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4638 | #else |
cea2e8a9 | 4639 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4640 | #endif |
a0d0e21e LW |
4641 | } |
4642 | else | |
dc45a647 | 4643 | #ifdef HAS_GETNETENT |
76e3520e | 4644 | nent = PerlSock_getnetent(); |
dc45a647 | 4645 | #else |
cea2e8a9 | 4646 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4647 | #endif |
a0d0e21e | 4648 | |
10bc17b6 JH |
4649 | #ifdef HOST_NOT_FOUND |
4650 | if (!nent) { | |
4651 | #ifdef USE_REENTRANT_API | |
4652 | # ifdef USE_GETNETENT_ERRNO | |
4653 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4654 | # endif | |
4655 | #endif | |
37038d91 | 4656 | STATUS_UNIX_SET(h_errno); |
10bc17b6 JH |
4657 | } |
4658 | #endif | |
4659 | ||
a0d0e21e LW |
4660 | EXTEND(SP, 4); |
4661 | if (GIMME != G_ARRAY) { | |
4662 | PUSHs(sv = sv_newmortal()); | |
4663 | if (nent) { | |
4664 | if (which == OP_GNBYNAME) | |
1e422769 | 4665 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4666 | else |
4667 | sv_setpv(sv, nent->n_name); | |
4668 | } | |
4669 | RETURN; | |
4670 | } | |
4671 | ||
4672 | if (nent) { | |
3280af22 | 4673 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4674 | sv_setpv(sv, nent->n_name); |
3280af22 | 4675 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4676 | for (elem = nent->n_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4677 | sv_catpv(sv, *elem); |
4678 | if (elem[1]) | |
396482e1 | 4679 | sv_catpvs(sv, " "); |
a0d0e21e | 4680 | } |
3280af22 | 4681 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4682 | sv_setiv(sv, (IV)nent->n_addrtype); |
3280af22 | 4683 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4684 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4685 | } |
4686 | ||
4687 | RETURN; | |
4688 | #else | |
cea2e8a9 | 4689 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
a0d0e21e LW |
4690 | #endif |
4691 | } | |
4692 | ||
a0d0e21e LW |
4693 | PP(pp_gprotoent) |
4694 | { | |
693762b4 | 4695 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
97aff369 | 4696 | dVAR; dSP; |
533c011a | 4697 | I32 which = PL_op->op_type; |
a0d0e21e | 4698 | register char **elem; |
301e8125 | 4699 | register SV *sv; |
dc45a647 | 4700 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4701 | struct protoent *getprotobyname(Netdb_name_t); |
4702 | struct protoent *getprotobynumber(int); | |
4703 | struct protoent *getprotoent(void); | |
8ac85365 | 4704 | #endif |
a0d0e21e LW |
4705 | struct protoent *pent; |
4706 | ||
edd309b7 | 4707 | if (which == OP_GPBYNAME) { |
e5c9fcd0 | 4708 | #ifdef HAS_GETPROTOBYNAME |
0bcc34c2 | 4709 | const char* const name = POPpbytex; |
edd309b7 | 4710 | pent = PerlSock_getprotobyname(name); |
e5c9fcd0 | 4711 | #else |
cea2e8a9 | 4712 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4713 | #endif |
edd309b7 JH |
4714 | } |
4715 | else if (which == OP_GPBYNUMBER) { | |
e5c9fcd0 | 4716 | #ifdef HAS_GETPROTOBYNUMBER |
0bcc34c2 | 4717 | const int number = POPi; |
edd309b7 | 4718 | pent = PerlSock_getprotobynumber(number); |
e5c9fcd0 | 4719 | #else |
edd309b7 | 4720 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4721 | #endif |
edd309b7 | 4722 | } |
a0d0e21e | 4723 | else |
e5c9fcd0 | 4724 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4725 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4726 | #else |
cea2e8a9 | 4727 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4728 | #endif |
a0d0e21e LW |
4729 | |
4730 | EXTEND(SP, 3); | |
4731 | if (GIMME != G_ARRAY) { | |
4732 | PUSHs(sv = sv_newmortal()); | |
4733 | if (pent) { | |
4734 | if (which == OP_GPBYNAME) | |
1e422769 | 4735 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4736 | else |
4737 | sv_setpv(sv, pent->p_name); | |
4738 | } | |
4739 | RETURN; | |
4740 | } | |
4741 | ||
4742 | if (pent) { | |
3280af22 | 4743 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4744 | sv_setpv(sv, pent->p_name); |
3280af22 | 4745 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4746 | for (elem = pent->p_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4747 | sv_catpv(sv, *elem); |
4748 | if (elem[1]) | |
396482e1 | 4749 | sv_catpvs(sv, " "); |
a0d0e21e | 4750 | } |
3280af22 | 4751 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 4752 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4753 | } |
4754 | ||
4755 | RETURN; | |
4756 | #else | |
cea2e8a9 | 4757 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
a0d0e21e LW |
4758 | #endif |
4759 | } | |
4760 | ||
a0d0e21e LW |
4761 | PP(pp_gservent) |
4762 | { | |
693762b4 | 4763 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
97aff369 | 4764 | dVAR; dSP; |
533c011a | 4765 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4766 | register char **elem; |
4767 | register SV *sv; | |
dc45a647 | 4768 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4769 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
4770 | struct servent *getservbyport(int, Netdb_name_t); | |
4771 | struct servent *getservent(void); | |
8ac85365 | 4772 | #endif |
a0d0e21e LW |
4773 | struct servent *sent; |
4774 | ||
4775 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4776 | #ifdef HAS_GETSERVBYNAME |
0bcc34c2 AL |
4777 | const char * const proto = POPpbytex; |
4778 | const char * const name = POPpbytex; | |
4779 | sent = PerlSock_getservbyname(name, (proto && !*proto) ? Nullch : proto); | |
dc45a647 | 4780 | #else |
cea2e8a9 | 4781 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4782 | #endif |
a0d0e21e LW |
4783 | } |
4784 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4785 | #ifdef HAS_GETSERVBYPORT |
0bcc34c2 | 4786 | const char * const proto = POPpbytex; |
eb160463 | 4787 | unsigned short port = (unsigned short)POPu; |
36477c24 | 4788 | #ifdef HAS_HTONS |
6ad3d225 | 4789 | port = PerlSock_htons(port); |
36477c24 | 4790 | #endif |
0bcc34c2 | 4791 | sent = PerlSock_getservbyport(port, (proto && !*proto) ? Nullch : proto); |
dc45a647 | 4792 | #else |
cea2e8a9 | 4793 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4794 | #endif |
a0d0e21e LW |
4795 | } |
4796 | else | |
e5c9fcd0 | 4797 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4798 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4799 | #else |
cea2e8a9 | 4800 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4801 | #endif |
a0d0e21e LW |
4802 | |
4803 | EXTEND(SP, 4); | |
4804 | if (GIMME != G_ARRAY) { | |
4805 | PUSHs(sv = sv_newmortal()); | |
4806 | if (sent) { | |
4807 | if (which == OP_GSBYNAME) { | |
4808 | #ifdef HAS_NTOHS | |
6ad3d225 | 4809 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4810 | #else |
1e422769 | 4811 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4812 | #endif |
4813 | } | |
4814 | else | |
4815 | sv_setpv(sv, sent->s_name); | |
4816 | } | |
4817 | RETURN; | |
4818 | } | |
4819 | ||
4820 | if (sent) { | |
3280af22 | 4821 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4822 | sv_setpv(sv, sent->s_name); |
3280af22 | 4823 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
c90c0ff4 | 4824 | for (elem = sent->s_aliases; elem && *elem; elem++) { |
a0d0e21e LW |
4825 | sv_catpv(sv, *elem); |
4826 | if (elem[1]) | |
396482e1 | 4827 | sv_catpvs(sv, " "); |
a0d0e21e | 4828 | } |
3280af22 | 4829 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 4830 | #ifdef HAS_NTOHS |
76e3520e | 4831 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4832 | #else |
1e422769 | 4833 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e | 4834 | #endif |
3280af22 | 4835 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e LW |
4836 | sv_setpv(sv, sent->s_proto); |
4837 | } | |
4838 | ||
4839 | RETURN; | |
4840 | #else | |
cea2e8a9 | 4841 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
a0d0e21e LW |
4842 | #endif |
4843 | } | |
4844 | ||
4845 | PP(pp_shostent) | |
4846 | { | |
693762b4 | 4847 | #ifdef HAS_SETHOSTENT |
97aff369 | 4848 | dVAR; dSP; |
76e3520e | 4849 | PerlSock_sethostent(TOPi); |
a0d0e21e LW |
4850 | RETSETYES; |
4851 | #else | |
cea2e8a9 | 4852 | DIE(aTHX_ PL_no_sock_func, "sethostent"); |
a0d0e21e LW |
4853 | #endif |
4854 | } | |
4855 | ||
4856 | PP(pp_snetent) | |
4857 | { | |
693762b4 | 4858 | #ifdef HAS_SETNETENT |
97aff369 | 4859 | dVAR; dSP; |
76e3520e | 4860 | PerlSock_setnetent(TOPi); |
a0d0e21e LW |
4861 | RETSETYES; |
4862 | #else | |
cea2e8a9 | 4863 | DIE(aTHX_ PL_no_sock_func, "setnetent"); |
a0d0e21e LW |
4864 | #endif |
4865 | } | |
4866 | ||
4867 | PP(pp_sprotoent) | |
4868 | { | |
693762b4 | 4869 | #ifdef HAS_SETPROTOENT |
97aff369 | 4870 | dVAR; dSP; |
76e3520e | 4871 | PerlSock_setprotoent(TOPi); |
a0d0e21e LW |
4872 | RETSETYES; |
4873 | #else | |
cea2e8a9 | 4874 | DIE(aTHX_ PL_no_sock_func, "setprotoent"); |
a0d0e21e LW |
4875 | #endif |
4876 | } | |
4877 | ||
4878 | PP(pp_sservent) | |
4879 | { | |
693762b4 | 4880 | #ifdef HAS_SETSERVENT |
97aff369 | 4881 | dVAR; dSP; |
76e3520e | 4882 | PerlSock_setservent(TOPi); |
a0d0e21e LW |
4883 | RETSETYES; |
4884 | #else | |
cea2e8a9 | 4885 | DIE(aTHX_ PL_no_sock_func, "setservent"); |
a0d0e21e LW |
4886 | #endif |
4887 | } | |
4888 | ||
4889 | PP(pp_ehostent) | |
4890 | { | |
693762b4 | 4891 | #ifdef HAS_ENDHOSTENT |
97aff369 | 4892 | dVAR; dSP; |
76e3520e | 4893 | PerlSock_endhostent(); |
924508f0 | 4894 | EXTEND(SP,1); |
a0d0e21e LW |
4895 | RETPUSHYES; |
4896 | #else | |
cea2e8a9 | 4897 | DIE(aTHX_ PL_no_sock_func, "endhostent"); |
a0d0e21e LW |
4898 | #endif |
4899 | } | |
4900 | ||
4901 | PP(pp_enetent) | |
4902 | { | |
693762b4 | 4903 | #ifdef HAS_ENDNETENT |
97aff369 | 4904 | dVAR; dSP; |
76e3520e | 4905 | PerlSock_endnetent(); |
924508f0 | 4906 | EXTEND(SP,1); |
a0d0e21e LW |
4907 | RETPUSHYES; |
4908 | #else | |
cea2e8a9 | 4909 | DIE(aTHX_ PL_no_sock_func, "endnetent"); |
a0d0e21e LW |
4910 | #endif |
4911 | } | |
4912 | ||
4913 | PP(pp_eprotoent) | |
4914 | { | |
693762b4 | 4915 | #ifdef HAS_ENDPROTOENT |
97aff369 | 4916 | dVAR; dSP; |
76e3520e | 4917 | PerlSock_endprotoent(); |
924508f0 | 4918 | EXTEND(SP,1); |
a0d0e21e LW |
4919 | RETPUSHYES; |
4920 | #else | |
cea2e8a9 | 4921 | DIE(aTHX_ PL_no_sock_func, "endprotoent"); |
a0d0e21e LW |
4922 | #endif |
4923 | } | |
4924 | ||
4925 | PP(pp_eservent) | |
4926 | { | |
693762b4 | 4927 | #ifdef HAS_ENDSERVENT |
97aff369 | 4928 | dVAR; dSP; |
76e3520e | 4929 | PerlSock_endservent(); |
924508f0 | 4930 | EXTEND(SP,1); |
a0d0e21e LW |
4931 | RETPUSHYES; |
4932 | #else | |
cea2e8a9 | 4933 | DIE(aTHX_ PL_no_sock_func, "endservent"); |
a0d0e21e LW |
4934 | #endif |
4935 | } | |
4936 | ||
a0d0e21e LW |
4937 | PP(pp_gpwent) |
4938 | { | |
0994c4d0 | 4939 | #ifdef HAS_PASSWD |
97aff369 | 4940 | dVAR; dSP; |
533c011a | 4941 | I32 which = PL_op->op_type; |
a0d0e21e | 4942 | register SV *sv; |
e3aefe8d | 4943 | struct passwd *pwent = NULL; |
301e8125 | 4944 | /* |
bcf53261 JH |
4945 | * We currently support only the SysV getsp* shadow password interface. |
4946 | * The interface is declared in <shadow.h> and often one needs to link | |
4947 | * with -lsecurity or some such. | |
4948 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
4949 | * (and SCO?) | |
4950 | * | |
4951 | * AIX getpwnam() is clever enough to return the encrypted password | |
4952 | * only if the caller (euid?) is root. | |
4953 | * | |
e549f1c5 | 4954 | * There are at least three other shadow password APIs. Many platforms |
bcf53261 JH |
4955 | * seem to contain more than one interface for accessing the shadow |
4956 | * password databases, possibly for compatibility reasons. | |
3813c136 | 4957 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
4958 | * are much more complicated, but also very similar to each other. |
4959 | * | |
4960 | * <sys/types.h> | |
4961 | * <sys/security.h> | |
4962 | * <prot.h> | |
4963 | * struct pr_passwd *getprpw*(); | |
4964 | * The password is in | |
3813c136 JH |
4965 | * char getprpw*(...).ufld.fd_encrypt[] |
4966 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
4967 | * |
4968 | * <sys/types.h> | |
4969 | * <sys/security.h> | |
4970 | * <prot.h> | |
4971 | * struct es_passwd *getespw*(); | |
4972 | * The password is in | |
4973 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 4974 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 4975 | * |
e1920a95 | 4976 | * <userpw.h> (AIX) |
e549f1c5 JH |
4977 | * struct userpw *getuserpw(); |
4978 | * The password is in | |
4979 | * char *(getuserpw(...)).spw_upw_passwd | |
4980 | * (but the de facto standard getpwnam() should work okay) | |
4981 | * | |
3813c136 | 4982 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
4983 | * |
4984 | * In HP-UX for getprpw*() the manual page claims that one should include | |
4985 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
4986 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
4987 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
4988 | * |
4989 | * Note that <sys/security.h> is already probed for, but currently | |
4990 | * it is only included in special cases. | |
301e8125 | 4991 | * |
bcf53261 JH |
4992 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
4993 | * be preferred interface, even though also the getprpw*() interface | |
4994 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
4995 | * One also needs to call set_auth_parameters() in main() before |
4996 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
4997 | * | |
4998 | * Note that accessing the shadow databases can be magnitudes | |
4999 | * slower than accessing the standard databases. | |
bcf53261 JH |
5000 | * |
5001 | * --jhi | |
5002 | */ | |
a0d0e21e | 5003 | |
9e5f0c48 JH |
5004 | # if defined(__CYGWIN__) && defined(USE_REENTRANT_API) |
5005 | /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r(): | |
5006 | * the pw_comment is left uninitialized. */ | |
5007 | PL_reentrant_buffer->_pwent_struct.pw_comment = NULL; | |
5008 | # endif | |
5009 | ||
e3aefe8d JH |
5010 | switch (which) { |
5011 | case OP_GPWNAM: | |
edd309b7 | 5012 | { |
0bcc34c2 | 5013 | const char* const name = POPpbytex; |
edd309b7 JH |
5014 | pwent = getpwnam(name); |
5015 | } | |
5016 | break; | |
e3aefe8d | 5017 | case OP_GPWUID: |
edd309b7 JH |
5018 | { |
5019 | Uid_t uid = POPi; | |
5020 | pwent = getpwuid(uid); | |
5021 | } | |
e3aefe8d JH |
5022 | break; |
5023 | case OP_GPWENT: | |
1883634f | 5024 | # ifdef HAS_GETPWENT |
e3aefe8d | 5025 | pwent = getpwent(); |
faea9016 IRC |
5026 | #ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */ |
5027 | if (pwent) pwent = getpwnam(pwent->pw_name); | |
5028 | #endif | |
1883634f | 5029 | # else |
a45d1c96 | 5030 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5031 | # endif |
e3aefe8d JH |
5032 | break; |
5033 | } | |
8c0bfa08 | 5034 | |
a0d0e21e LW |
5035 | EXTEND(SP, 10); |
5036 | if (GIMME != G_ARRAY) { | |
5037 | PUSHs(sv = sv_newmortal()); | |
5038 | if (pwent) { | |
5039 | if (which == OP_GPWNAM) | |
1883634f | 5040 | # if Uid_t_sign <= 0 |
1e422769 | 5041 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5042 | # else |
23dcd6c8 | 5043 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5044 | # endif |
a0d0e21e LW |
5045 | else |
5046 | sv_setpv(sv, pwent->pw_name); | |
5047 | } | |
5048 | RETURN; | |
5049 | } | |
5050 | ||
5051 | if (pwent) { | |
3280af22 | 5052 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5053 | sv_setpv(sv, pwent->pw_name); |
6ee623d5 | 5054 | |
3280af22 | 5055 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
3813c136 JH |
5056 | SvPOK_off(sv); |
5057 | /* If we have getspnam(), we try to dig up the shadow | |
5058 | * password. If we are underprivileged, the shadow | |
5059 | * interface will set the errno to EACCES or similar, | |
5060 | * and return a null pointer. If this happens, we will | |
5061 | * use the dummy password (usually "*" or "x") from the | |
5062 | * standard password database. | |
5063 | * | |
5064 | * In theory we could skip the shadow call completely | |
5065 | * if euid != 0 but in practice we cannot know which | |
5066 | * security measures are guarding the shadow databases | |
5067 | * on a random platform. | |
5068 | * | |
5069 | * Resist the urge to use additional shadow interfaces. | |
5070 | * Divert the urge to writing an extension instead. | |
5071 | * | |
5072 | * --jhi */ | |
e549f1c5 JH |
5073 | /* Some AIX setups falsely(?) detect some getspnam(), which |
5074 | * has a different API than the Solaris/IRIX one. */ | |
5075 | # if defined(HAS_GETSPNAM) && !defined(_AIX) | |
3813c136 | 5076 | { |
0bcc34c2 AL |
5077 | const int saverrno = errno; |
5078 | const struct spwd * const spwent = getspnam(pwent->pw_name); | |
5079 | /* Save and restore errno so that | |
3813c136 JH |
5080 | * underprivileged attempts seem |
5081 | * to have never made the unsccessful | |
5082 | * attempt to retrieve the shadow password. */ | |
3813c136 JH |
5083 | errno = saverrno; |
5084 | if (spwent && spwent->sp_pwdp) | |
5085 | sv_setpv(sv, spwent->sp_pwdp); | |
5086 | } | |
f1066039 | 5087 | # endif |
e020c87d | 5088 | # ifdef PWPASSWD |
3813c136 JH |
5089 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5090 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5091 | # endif |
3813c136 | 5092 | |
1883634f | 5093 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5094 | /* passwd is tainted because user himself can diddle with it. |
5095 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5096 | SvTAINTED_on(sv); |
1883634f | 5097 | # endif |
6ee623d5 | 5098 | |
3280af22 | 5099 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5100 | # if Uid_t_sign <= 0 |
1e422769 | 5101 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5102 | # else |
23dcd6c8 | 5103 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5104 | # endif |
6ee623d5 | 5105 | |
3280af22 | 5106 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5107 | # if Uid_t_sign <= 0 |
1e422769 | 5108 | sv_setiv(sv, (IV)pwent->pw_gid); |
1883634f | 5109 | # else |
23dcd6c8 | 5110 | sv_setuv(sv, (UV)pwent->pw_gid); |
1883634f | 5111 | # endif |
3813c136 JH |
5112 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5113 | * because of the poor interface of the Perl getpw*(), | |
5114 | * not because there's some standard/convention saying so. | |
5115 | * A better interface would have been to return a hash, | |
5116 | * but we are accursed by our history, alas. --jhi. */ | |
3280af22 | 5117 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5118 | # ifdef PWCHANGE |
1e422769 | 5119 | sv_setiv(sv, (IV)pwent->pw_change); |
6ee623d5 | 5120 | # else |
1883634f JH |
5121 | # ifdef PWQUOTA |
5122 | sv_setiv(sv, (IV)pwent->pw_quota); | |
5123 | # else | |
a1757be1 | 5124 | # ifdef PWAGE |
a0d0e21e | 5125 | sv_setpv(sv, pwent->pw_age); |
a1757be1 | 5126 | # endif |
6ee623d5 GS |
5127 | # endif |
5128 | # endif | |
6ee623d5 | 5129 | |
3813c136 JH |
5130 | /* pw_class and pw_comment are mutually exclusive--. |
5131 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
3280af22 | 5132 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5133 | # ifdef PWCLASS |
a0d0e21e | 5134 | sv_setpv(sv, pwent->pw_class); |
1883634f JH |
5135 | # else |
5136 | # ifdef PWCOMMENT | |
a0d0e21e | 5137 | sv_setpv(sv, pwent->pw_comment); |
1883634f | 5138 | # endif |
6ee623d5 | 5139 | # endif |
6ee623d5 | 5140 | |
3280af22 | 5141 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5142 | # ifdef PWGECOS |
a0d0e21e | 5143 | sv_setpv(sv, pwent->pw_gecos); |
1883634f JH |
5144 | # endif |
5145 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5146 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5147 | SvTAINTED_on(sv); |
1883634f | 5148 | # endif |
6ee623d5 | 5149 | |
3280af22 | 5150 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5151 | sv_setpv(sv, pwent->pw_dir); |
6ee623d5 | 5152 | |
3280af22 | 5153 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5154 | sv_setpv(sv, pwent->pw_shell); |
1883634f | 5155 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5156 | /* pw_shell is tainted because user himself can diddle with it. */ |
5157 | SvTAINTED_on(sv); | |
1883634f | 5158 | # endif |
6ee623d5 | 5159 | |
1883634f | 5160 | # ifdef PWEXPIRE |
6b88bc9c | 5161 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5162 | sv_setiv(sv, (IV)pwent->pw_expire); |
1883634f | 5163 | # endif |
a0d0e21e LW |
5164 | } |
5165 | RETURN; | |
5166 | #else | |
af51a00e | 5167 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5168 | #endif |
5169 | } | |
5170 | ||
5171 | PP(pp_spwent) | |
5172 | { | |
d493b042 | 5173 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) |
97aff369 | 5174 | dVAR; dSP; |
a0d0e21e LW |
5175 | setpwent(); |
5176 | RETPUSHYES; | |
5177 | #else | |
cea2e8a9 | 5178 | DIE(aTHX_ PL_no_func, "setpwent"); |
a0d0e21e LW |
5179 | #endif |
5180 | } | |
5181 | ||
5182 | PP(pp_epwent) | |
5183 | { | |
28e8609d | 5184 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) |
97aff369 | 5185 | dVAR; dSP; |
a0d0e21e LW |
5186 | endpwent(); |
5187 | RETPUSHYES; | |
5188 | #else | |
cea2e8a9 | 5189 | DIE(aTHX_ PL_no_func, "endpwent"); |
a0d0e21e LW |
5190 | #endif |
5191 | } | |
5192 | ||
a0d0e21e LW |
5193 | PP(pp_ggrent) |
5194 | { | |
0994c4d0 | 5195 | #ifdef HAS_GROUP |
97aff369 | 5196 | dVAR; dSP; |
533c011a | 5197 | I32 which = PL_op->op_type; |
a0d0e21e LW |
5198 | register char **elem; |
5199 | register SV *sv; | |
5200 | struct group *grent; | |
5201 | ||
edd309b7 | 5202 | if (which == OP_GGRNAM) { |
0bcc34c2 | 5203 | const char* const name = POPpbytex; |
edd309b7 JH |
5204 | grent = (struct group *)getgrnam(name); |
5205 | } | |
5206 | else if (which == OP_GGRGID) { | |
0bcc34c2 | 5207 | const Gid_t gid = POPi; |
edd309b7 JH |
5208 | grent = (struct group *)getgrgid(gid); |
5209 | } | |
a0d0e21e | 5210 | else |
0994c4d0 | 5211 | #ifdef HAS_GETGRENT |
a0d0e21e | 5212 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5213 | #else |
5214 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5215 | #endif | |
a0d0e21e LW |
5216 | |
5217 | EXTEND(SP, 4); | |
5218 | if (GIMME != G_ARRAY) { | |
5219 | PUSHs(sv = sv_newmortal()); | |
5220 | if (grent) { | |
5221 | if (which == OP_GGRNAM) | |
1e422769 | 5222 | sv_setiv(sv, (IV)grent->gr_gid); |
a0d0e21e LW |
5223 | else |
5224 | sv_setpv(sv, grent->gr_name); | |
5225 | } | |
5226 | RETURN; | |
5227 | } | |
5228 | ||
5229 | if (grent) { | |
3280af22 | 5230 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
a0d0e21e | 5231 | sv_setpv(sv, grent->gr_name); |
28e8609d | 5232 | |
3280af22 | 5233 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
28e8609d | 5234 | #ifdef GRPASSWD |
a0d0e21e | 5235 | sv_setpv(sv, grent->gr_passwd); |
28e8609d JH |
5236 | #endif |
5237 | ||
3280af22 | 5238 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1e422769 | 5239 | sv_setiv(sv, (IV)grent->gr_gid); |
28e8609d | 5240 | |
5b56e7c5 | 5241 | #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) |
3280af22 | 5242 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
3d7e8424 JH |
5243 | /* In UNICOS/mk (_CRAYMPP) the multithreading |
5244 | * versions (getgrnam_r, getgrgid_r) | |
5245 | * seem to return an illegal pointer | |
5246 | * as the group members list, gr_mem. | |
5247 | * getgrent() doesn't even have a _r version | |
5248 | * but the gr_mem is poisonous anyway. | |
5249 | * So yes, you cannot get the list of group | |
5250 | * members if building multithreaded in UNICOS/mk. */ | |
c90c0ff4 | 5251 | for (elem = grent->gr_mem; elem && *elem; elem++) { |
a0d0e21e LW |
5252 | sv_catpv(sv, *elem); |
5253 | if (elem[1]) | |
396482e1 | 5254 | sv_catpvs(sv, " "); |
a0d0e21e | 5255 | } |
3d7e8424 | 5256 | #endif |
a0d0e21e LW |
5257 | } |
5258 | ||
5259 | RETURN; | |
5260 | #else | |
af51a00e | 5261 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5262 | #endif |
5263 | } | |
5264 | ||
5265 | PP(pp_sgrent) | |
5266 | { | |
28e8609d | 5267 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) |
97aff369 | 5268 | dVAR; dSP; |
a0d0e21e LW |
5269 | setgrent(); |
5270 | RETPUSHYES; | |
5271 | #else | |
cea2e8a9 | 5272 | DIE(aTHX_ PL_no_func, "setgrent"); |
a0d0e21e LW |
5273 | #endif |
5274 | } | |
5275 | ||
5276 | PP(pp_egrent) | |
5277 | { | |
28e8609d | 5278 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) |
97aff369 | 5279 | dVAR; dSP; |
a0d0e21e LW |
5280 | endgrent(); |
5281 | RETPUSHYES; | |
5282 | #else | |
cea2e8a9 | 5283 | DIE(aTHX_ PL_no_func, "endgrent"); |
a0d0e21e LW |
5284 | #endif |
5285 | } | |
5286 | ||
5287 | PP(pp_getlogin) | |
5288 | { | |
a0d0e21e | 5289 | #ifdef HAS_GETLOGIN |
97aff369 | 5290 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
5291 | char *tmps; |
5292 | EXTEND(SP, 1); | |
76e3520e | 5293 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e LW |
5294 | RETPUSHUNDEF; |
5295 | PUSHp(tmps, strlen(tmps)); | |
5296 | RETURN; | |
5297 | #else | |
cea2e8a9 | 5298 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5299 | #endif |
5300 | } | |
5301 | ||
5302 | /* Miscellaneous. */ | |
5303 | ||
5304 | PP(pp_syscall) | |
5305 | { | |
d2719217 | 5306 | #ifdef HAS_SYSCALL |
97aff369 | 5307 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5308 | register I32 items = SP - MARK; |
5309 | unsigned long a[20]; | |
5310 | register I32 i = 0; | |
5311 | I32 retval = -1; | |
5312 | ||
3280af22 | 5313 | if (PL_tainting) { |
a0d0e21e | 5314 | while (++MARK <= SP) { |
bbce6d69 | 5315 | if (SvTAINTED(*MARK)) { |
5316 | TAINT; | |
5317 | break; | |
5318 | } | |
a0d0e21e LW |
5319 | } |
5320 | MARK = ORIGMARK; | |
5321 | TAINT_PROPER("syscall"); | |
5322 | } | |
5323 | ||
5324 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5325 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5326 | * not likely have syscall implemented either, so who cares? | |
5327 | */ | |
5328 | while (++MARK <= SP) { | |
5329 | if (SvNIOK(*MARK) || !i) | |
5330 | a[i++] = SvIV(*MARK); | |
3280af22 | 5331 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5332 | a[i++] = 0; |
301e8125 | 5333 | else |
8b6b16e7 | 5334 | a[i++] = (unsigned long)SvPV_force_nolen(*MARK); |
a0d0e21e LW |
5335 | if (i > 15) |
5336 | break; | |
5337 | } | |
5338 | switch (items) { | |
5339 | default: | |
cea2e8a9 | 5340 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5341 | case 0: |
cea2e8a9 | 5342 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5343 | case 1: |
5344 | retval = syscall(a[0]); | |
5345 | break; | |
5346 | case 2: | |
5347 | retval = syscall(a[0],a[1]); | |
5348 | break; | |
5349 | case 3: | |
5350 | retval = syscall(a[0],a[1],a[2]); | |
5351 | break; | |
5352 | case 4: | |
5353 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5354 | break; | |
5355 | case 5: | |
5356 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5357 | break; | |
5358 | case 6: | |
5359 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5360 | break; | |
5361 | case 7: | |
5362 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5363 | break; | |
5364 | case 8: | |
5365 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5366 | break; | |
5367 | #ifdef atarist | |
5368 | case 9: | |
5369 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5370 | break; | |
5371 | case 10: | |
5372 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5373 | break; | |
5374 | case 11: | |
5375 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5376 | a[10]); | |
5377 | break; | |
5378 | case 12: | |
5379 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5380 | a[10],a[11]); | |
5381 | break; | |
5382 | case 13: | |
5383 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5384 | a[10],a[11],a[12]); | |
5385 | break; | |
5386 | case 14: | |
5387 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5388 | a[10],a[11],a[12],a[13]); | |
5389 | break; | |
5390 | #endif /* atarist */ | |
5391 | } | |
5392 | SP = ORIGMARK; | |
5393 | PUSHi(retval); | |
5394 | RETURN; | |
5395 | #else | |
cea2e8a9 | 5396 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5397 | #endif |
5398 | } | |
5399 | ||
ff68c719 | 5400 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5401 | |
ff68c719 | 5402 | /* XXX Emulate flock() with fcntl(). |
5403 | What's really needed is a good file locking module. | |
5404 | */ | |
5405 | ||
cea2e8a9 GS |
5406 | static int |
5407 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5408 | { |
5409 | struct flock flock; | |
301e8125 | 5410 | |
ff68c719 | 5411 | switch (operation & ~LOCK_NB) { |
5412 | case LOCK_SH: | |
5413 | flock.l_type = F_RDLCK; | |
5414 | break; | |
5415 | case LOCK_EX: | |
5416 | flock.l_type = F_WRLCK; | |
5417 | break; | |
5418 | case LOCK_UN: | |
5419 | flock.l_type = F_UNLCK; | |
5420 | break; | |
5421 | default: | |
5422 | errno = EINVAL; | |
5423 | return -1; | |
5424 | } | |
5425 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5426 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5427 | |
ff68c719 | 5428 | return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5429 | } | |
5430 | ||
5431 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5432 | ||
5433 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5434 | |
5435 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5436 | portability of scripts. The calls are not completely | |
5437 | interchangeable. What's really needed is a good file | |
5438 | locking module. | |
5439 | */ | |
5440 | ||
76c32331 | 5441 | /* The lockf() constants might have been defined in <unistd.h>. |
5442 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5443 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5444 | |
5445 | Further, the lockf() constants aren't POSIX, so they might not be | |
5446 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5447 | just stick in the SVID values and be done with it. Sigh. | |
5448 | */ | |
5449 | ||
5450 | # ifndef F_ULOCK | |
5451 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5452 | # endif | |
5453 | # ifndef F_LOCK | |
5454 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5455 | # endif | |
5456 | # ifndef F_TLOCK | |
5457 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5458 | # endif | |
5459 | # ifndef F_TEST | |
5460 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5461 | # endif | |
5462 | ||
cea2e8a9 GS |
5463 | static int |
5464 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5465 | { |
5466 | int i; | |
0bcc34c2 | 5467 | const int save_errno = errno; |
84902520 TB |
5468 | Off_t pos; |
5469 | ||
5470 | /* flock locks entire file so for lockf we need to do the same */ | |
6ad3d225 | 5471 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5472 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5473 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5474 | pos = -1; /* seek failed, so don't seek back afterwards */ |
84902520 TB |
5475 | errno = save_errno; |
5476 | ||
16d20bd9 AD |
5477 | switch (operation) { |
5478 | ||
5479 | /* LOCK_SH - get a shared lock */ | |
5480 | case LOCK_SH: | |
5481 | /* LOCK_EX - get an exclusive lock */ | |
5482 | case LOCK_EX: | |
5483 | i = lockf (fd, F_LOCK, 0); | |
5484 | break; | |
5485 | ||
5486 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5487 | case LOCK_SH|LOCK_NB: | |
5488 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5489 | case LOCK_EX|LOCK_NB: | |
5490 | i = lockf (fd, F_TLOCK, 0); | |
5491 | if (i == -1) | |
5492 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5493 | errno = EWOULDBLOCK; | |
5494 | break; | |
5495 | ||
ff68c719 | 5496 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5497 | case LOCK_UN: |
ff68c719 | 5498 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5499 | i = lockf (fd, F_ULOCK, 0); |
5500 | break; | |
5501 | ||
5502 | /* Default - can't decipher operation */ | |
5503 | default: | |
5504 | i = -1; | |
5505 | errno = EINVAL; | |
5506 | break; | |
5507 | } | |
84902520 TB |
5508 | |
5509 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5510 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5511 | |
16d20bd9 AD |
5512 | return (i); |
5513 | } | |
ff68c719 | 5514 | |
5515 | #endif /* LOCKF_EMULATE_FLOCK */ | |
241d1a3b NC |
5516 | |
5517 | /* | |
5518 | * Local variables: | |
5519 | * c-indentation-style: bsd | |
5520 | * c-basic-offset: 4 | |
5521 | * indent-tabs-mode: t | |
5522 | * End: | |
5523 | * | |
37442d52 RGS |
5524 | * ex: set ts=8 sts=4 sw=4 noet: |
5525 | */ |