Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* pp_sys.c |
2 | * | |
fdf8c088 | 3 | * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
1129b882 | 4 | * 2004, 2005, 2006, 2007, 2008 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. | |
4ac71550 TC |
16 | * |
17 | * [p.945 of _The Lord of the Rings_, VI/iii: "Mount Doom"] | |
a0d0e21e LW |
18 | */ |
19 | ||
166f8a29 DM |
20 | /* This file contains system pp ("push/pop") functions that |
21 | * execute the opcodes that make up a perl program. A typical pp function | |
22 | * expects to find its arguments on the stack, and usually pushes its | |
23 | * results onto the stack, hence the 'pp' terminology. Each OP structure | |
24 | * contains a pointer to the relevant pp_foo() function. | |
25 | * | |
26 | * By 'system', we mean ops which interact with the OS, such as pp_open(). | |
27 | */ | |
28 | ||
a0d0e21e | 29 | #include "EXTERN.h" |
864dbfa3 | 30 | #define PERL_IN_PP_SYS_C |
a0d0e21e | 31 | #include "perl.h" |
d95a2ea5 CB |
32 | #include "time64.h" |
33 | #include "time64.c" | |
a0d0e21e | 34 | |
f1066039 JH |
35 | #ifdef I_SHADOW |
36 | /* Shadow password support for solaris - pdo@cs.umd.edu | |
37 | * Not just Solaris: at least HP-UX, IRIX, Linux. | |
3813c136 JH |
38 | * The API is from SysV. |
39 | * | |
40 | * There are at least two more shadow interfaces, | |
41 | * see the comments in pp_gpwent(). | |
42 | * | |
43 | * --jhi */ | |
44 | # ifdef __hpux__ | |
c529f79d | 45 | /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h> |
301e8125 | 46 | * and another MAXINT from "perl.h" <- <sys/param.h>. */ |
3813c136 JH |
47 | # undef MAXINT |
48 | # endif | |
49 | # include <shadow.h> | |
8c0bfa08 PB |
50 | #endif |
51 | ||
76c32331 | 52 | #ifdef I_SYS_WAIT |
53 | # include <sys/wait.h> | |
54 | #endif | |
55 | ||
56 | #ifdef I_SYS_RESOURCE | |
57 | # include <sys/resource.h> | |
16d20bd9 | 58 | #endif |
a0d0e21e | 59 | |
2986a63f JH |
60 | #ifdef NETWARE |
61 | NETDB_DEFINE_CONTEXT | |
62 | #endif | |
63 | ||
a0d0e21e | 64 | #ifdef HAS_SELECT |
1e743fda JH |
65 | # ifdef I_SYS_SELECT |
66 | # include <sys/select.h> | |
67 | # endif | |
a0d0e21e | 68 | #endif |
a0d0e21e | 69 | |
dc45a647 MB |
70 | /* XXX Configure test needed. |
71 | h_errno might not be a simple 'int', especially for multi-threaded | |
5ff3f7a4 GS |
72 | applications, see "extern int errno in perl.h". Creating such |
73 | a test requires taking into account the differences between | |
74 | compiling multithreaded and singlethreaded ($ccflags et al). | |
75 | HOST_NOT_FOUND is typically defined in <netdb.h>. | |
dc45a647 | 76 | */ |
cb50131a | 77 | #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__) |
a0d0e21e LW |
78 | extern int h_errno; |
79 | #endif | |
80 | ||
81 | #ifdef HAS_PASSWD | |
82 | # ifdef I_PWD | |
83 | # include <pwd.h> | |
84 | # else | |
fd8cd3a3 | 85 | # if !defined(VMS) |
20ce7b12 GS |
86 | struct passwd *getpwnam (char *); |
87 | struct passwd *getpwuid (Uid_t); | |
fd8cd3a3 | 88 | # endif |
a0d0e21e | 89 | # endif |
28e8609d | 90 | # ifdef HAS_GETPWENT |
10bc17b6 | 91 | #ifndef getpwent |
20ce7b12 | 92 | struct passwd *getpwent (void); |
c2a8f790 | 93 | #elif defined (VMS) && defined (my_getpwent) |
9fa802f3 | 94 | struct passwd *Perl_my_getpwent (pTHX); |
10bc17b6 | 95 | #endif |
28e8609d | 96 | # endif |
a0d0e21e LW |
97 | #endif |
98 | ||
99 | #ifdef HAS_GROUP | |
100 | # ifdef I_GRP | |
101 | # include <grp.h> | |
102 | # else | |
20ce7b12 GS |
103 | struct group *getgrnam (char *); |
104 | struct group *getgrgid (Gid_t); | |
a0d0e21e | 105 | # endif |
28e8609d | 106 | # ifdef HAS_GETGRENT |
10bc17b6 | 107 | #ifndef getgrent |
20ce7b12 | 108 | struct group *getgrent (void); |
10bc17b6 | 109 | #endif |
28e8609d | 110 | # endif |
a0d0e21e LW |
111 | #endif |
112 | ||
113 | #ifdef I_UTIME | |
3730b96e | 114 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 115 | # include <sys/utime.h> |
116 | # else | |
117 | # include <utime.h> | |
118 | # endif | |
a0d0e21e | 119 | #endif |
a0d0e21e | 120 | |
cbdc8872 | 121 | #ifdef HAS_CHSIZE |
cd52b7b2 | 122 | # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ |
123 | # undef my_chsize | |
124 | # endif | |
72cc7e2a | 125 | # define my_chsize PerlLIO_chsize |
27da23d5 JH |
126 | #else |
127 | # ifdef HAS_TRUNCATE | |
128 | # define my_chsize PerlLIO_chsize | |
129 | # else | |
130 | I32 my_chsize(int fd, Off_t length); | |
131 | # endif | |
cbdc8872 | 132 | #endif |
133 | ||
ff68c719 | 134 | #ifdef HAS_FLOCK |
135 | # define FLOCK flock | |
136 | #else /* no flock() */ | |
137 | ||
36477c24 | 138 | /* fcntl.h might not have been included, even if it exists, because |
139 | the current Configure only sets I_FCNTL if it's needed to pick up | |
140 | the *_OK constants. Make sure it has been included before testing | |
141 | the fcntl() locking constants. */ | |
142 | # if defined(HAS_FCNTL) && !defined(I_FCNTL) | |
143 | # include <fcntl.h> | |
144 | # endif | |
145 | ||
9d9004a9 | 146 | # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK) |
ff68c719 | 147 | # define FLOCK fcntl_emulate_flock |
148 | # define FCNTL_EMULATE_FLOCK | |
149 | # else /* no flock() or fcntl(F_SETLK,...) */ | |
150 | # ifdef HAS_LOCKF | |
151 | # define FLOCK lockf_emulate_flock | |
152 | # define LOCKF_EMULATE_FLOCK | |
153 | # endif /* lockf */ | |
154 | # endif /* no flock() or fcntl(F_SETLK,...) */ | |
155 | ||
156 | # ifdef FLOCK | |
20ce7b12 | 157 | static int FLOCK (int, int); |
ff68c719 | 158 | |
159 | /* | |
160 | * These are the flock() constants. Since this sytems doesn't have | |
161 | * flock(), the values of the constants are probably not available. | |
162 | */ | |
163 | # ifndef LOCK_SH | |
164 | # define LOCK_SH 1 | |
165 | # endif | |
166 | # ifndef LOCK_EX | |
167 | # define LOCK_EX 2 | |
168 | # endif | |
169 | # ifndef LOCK_NB | |
170 | # define LOCK_NB 4 | |
171 | # endif | |
172 | # ifndef LOCK_UN | |
173 | # define LOCK_UN 8 | |
174 | # endif | |
175 | # endif /* emulating flock() */ | |
176 | ||
177 | #endif /* no flock() */ | |
55497cff | 178 | |
85ab1d1d | 179 | #define ZBTLEN 10 |
27da23d5 | 180 | static const char zero_but_true[ZBTLEN + 1] = "0 but true"; |
85ab1d1d | 181 | |
5ff3f7a4 GS |
182 | #if defined(I_SYS_ACCESS) && !defined(R_OK) |
183 | # include <sys/access.h> | |
184 | #endif | |
185 | ||
c529f79d CB |
186 | #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC) |
187 | # define FD_CLOEXEC 1 /* NeXT needs this */ | |
188 | #endif | |
189 | ||
a4af207c JH |
190 | #include "reentr.h" |
191 | ||
9cffb111 OS |
192 | #ifdef __Lynx__ |
193 | /* Missing protos on LynxOS */ | |
194 | void sethostent(int); | |
195 | void endhostent(void); | |
196 | void setnetent(int); | |
197 | void endnetent(void); | |
198 | void setprotoent(int); | |
199 | void endprotoent(void); | |
200 | void setservent(int); | |
201 | void endservent(void); | |
202 | #endif | |
203 | ||
faee0e31 | 204 | #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */ |
5ff3f7a4 GS |
205 | |
206 | /* F_OK unused: if stat() cannot find it... */ | |
207 | ||
d7558cad | 208 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) |
c955f117 | 209 | /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */ |
d7558cad | 210 | # define PERL_EFF_ACCESS(p,f) (access((p), (f) | EFF_ONLY_OK)) |
5ff3f7a4 GS |
211 | #endif |
212 | ||
d7558cad | 213 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_EACCESS) |
3813c136 | 214 | # ifdef I_SYS_SECURITY |
5ff3f7a4 GS |
215 | # include <sys/security.h> |
216 | # endif | |
c955f117 JH |
217 | # ifdef ACC_SELF |
218 | /* HP SecureWare */ | |
d7558cad | 219 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f), ACC_SELF)) |
c955f117 JH |
220 | # else |
221 | /* SCO */ | |
d7558cad | 222 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f))) |
c955f117 | 223 | # endif |
5ff3f7a4 GS |
224 | #endif |
225 | ||
d7558cad | 226 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESSX) && defined(ACC_SELF) |
c955f117 | 227 | /* AIX */ |
d7558cad | 228 | # define PERL_EFF_ACCESS(p,f) (accessx((p), (f), ACC_SELF)) |
5ff3f7a4 GS |
229 | #endif |
230 | ||
d7558cad NC |
231 | |
232 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) \ | |
327c3667 GS |
233 | && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \ |
234 | || defined(HAS_SETREGID) || defined(HAS_SETRESGID)) | |
5ff3f7a4 | 235 | /* The Hard Way. */ |
327c3667 | 236 | STATIC int |
7f4774ae | 237 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 238 | { |
c4420975 AL |
239 | const Uid_t ruid = getuid(); |
240 | const Uid_t euid = geteuid(); | |
241 | const Gid_t rgid = getgid(); | |
242 | const Gid_t egid = getegid(); | |
5ff3f7a4 GS |
243 | int res; |
244 | ||
5ff3f7a4 | 245 | #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) |
cea2e8a9 | 246 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
247 | #else |
248 | #ifdef HAS_SETREUID | |
249 | if (setreuid(euid, ruid)) | |
250 | #else | |
251 | #ifdef HAS_SETRESUID | |
252 | if (setresuid(euid, ruid, (Uid_t)-1)) | |
253 | #endif | |
254 | #endif | |
cea2e8a9 | 255 | Perl_croak(aTHX_ "entering effective uid failed"); |
5ff3f7a4 GS |
256 | #endif |
257 | ||
258 | #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID) | |
cea2e8a9 | 259 | Perl_croak(aTHX_ "switching effective gid is not implemented"); |
5ff3f7a4 GS |
260 | #else |
261 | #ifdef HAS_SETREGID | |
262 | if (setregid(egid, rgid)) | |
263 | #else | |
264 | #ifdef HAS_SETRESGID | |
265 | if (setresgid(egid, rgid, (Gid_t)-1)) | |
266 | #endif | |
267 | #endif | |
cea2e8a9 | 268 | Perl_croak(aTHX_ "entering effective gid failed"); |
5ff3f7a4 GS |
269 | #endif |
270 | ||
271 | res = access(path, mode); | |
272 | ||
273 | #ifdef HAS_SETREUID | |
274 | if (setreuid(ruid, euid)) | |
275 | #else | |
276 | #ifdef HAS_SETRESUID | |
277 | if (setresuid(ruid, euid, (Uid_t)-1)) | |
278 | #endif | |
279 | #endif | |
cea2e8a9 | 280 | Perl_croak(aTHX_ "leaving effective uid failed"); |
5ff3f7a4 GS |
281 | |
282 | #ifdef HAS_SETREGID | |
283 | if (setregid(rgid, egid)) | |
284 | #else | |
285 | #ifdef HAS_SETRESGID | |
286 | if (setresgid(rgid, egid, (Gid_t)-1)) | |
287 | #endif | |
288 | #endif | |
cea2e8a9 | 289 | Perl_croak(aTHX_ "leaving effective gid failed"); |
5ff3f7a4 GS |
290 | |
291 | return res; | |
292 | } | |
d6864606 | 293 | # define PERL_EFF_ACCESS(p,f) (S_emulate_eaccess(aTHX_ (p), (f))) |
5ff3f7a4 GS |
294 | #endif |
295 | ||
a0d0e21e LW |
296 | PP(pp_backtick) |
297 | { | |
97aff369 | 298 | dVAR; dSP; dTARGET; |
760ac839 | 299 | PerlIO *fp; |
1b6737cc | 300 | const char * const tmps = POPpconstx; |
f54cb97a | 301 | const I32 gimme = GIMME_V; |
e1ec3a88 | 302 | const char *mode = "r"; |
54310121 | 303 | |
a0d0e21e | 304 | TAINT_PROPER("``"); |
16fe6d59 GS |
305 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
306 | mode = "rb"; | |
307 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
308 | mode = "rt"; | |
2fbb330f | 309 | fp = PerlProc_popen(tmps, mode); |
a0d0e21e | 310 | if (fp) { |
11bcd5da | 311 | const char * const type = Perl_PerlIO_context_layers(aTHX_ NULL); |
ac27b0f5 NIS |
312 | if (type && *type) |
313 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
314 | ||
54310121 | 315 | if (gimme == G_VOID) { |
96827780 MB |
316 | char tmpbuf[256]; |
317 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
a79db61d | 318 | NOOP; |
54310121 | 319 | } |
320 | else if (gimme == G_SCALAR) { | |
d343c3ef | 321 | ENTER_with_name("backtick"); |
75af1a9c | 322 | SAVESPTR(PL_rs); |
fa326138 | 323 | PL_rs = &PL_sv_undef; |
76f68e9b | 324 | sv_setpvs(TARG, ""); /* note that this preserves previous buffer */ |
bd61b366 | 325 | while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL) |
a79db61d | 326 | NOOP; |
d343c3ef | 327 | LEAVE_with_name("backtick"); |
a0d0e21e | 328 | XPUSHs(TARG); |
aa689395 | 329 | SvTAINTED_on(TARG); |
a0d0e21e LW |
330 | } |
331 | else { | |
a0d0e21e | 332 | for (;;) { |
561b68a9 | 333 | SV * const sv = newSV(79); |
bd61b366 | 334 | if (sv_gets(sv, fp, 0) == NULL) { |
a0d0e21e LW |
335 | SvREFCNT_dec(sv); |
336 | break; | |
337 | } | |
6e449a3a | 338 | mXPUSHs(sv); |
a0d0e21e | 339 | if (SvLEN(sv) - SvCUR(sv) > 20) { |
1da4ca5f | 340 | SvPV_shrink_to_cur(sv); |
a0d0e21e | 341 | } |
aa689395 | 342 | SvTAINTED_on(sv); |
a0d0e21e LW |
343 | } |
344 | } | |
2fbb330f | 345 | STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp)); |
aa689395 | 346 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
347 | } |
348 | else { | |
37038d91 | 349 | STATUS_NATIVE_CHILD_SET(-1); |
54310121 | 350 | if (gimme == G_SCALAR) |
a0d0e21e LW |
351 | RETPUSHUNDEF; |
352 | } | |
353 | ||
354 | RETURN; | |
355 | } | |
356 | ||
357 | PP(pp_glob) | |
358 | { | |
27da23d5 | 359 | dVAR; |
a0d0e21e | 360 | OP *result; |
9426e1a5 DM |
361 | dSP; |
362 | /* make a copy of the pattern, to ensure that magic is called once | |
363 | * and only once */ | |
364 | TOPm1s = sv_2mortal(newSVsv(TOPm1s)); | |
365 | ||
366 | tryAMAGICunTARGET(iter_amg, -1, (PL_op->op_flags & OPf_SPECIAL)); | |
d1bea3d8 DM |
367 | |
368 | if (PL_op->op_flags & OPf_SPECIAL) { | |
369 | /* call Perl-level glob function instead. Stack args are: | |
370 | * MARK, wildcard, csh_glob context index | |
371 | * and following OPs should be: gv(CORE::GLOBAL::glob), entersub | |
372 | * */ | |
373 | return NORMAL; | |
374 | } | |
375 | /* stack args are: wildcard, gv(_GEN_n) */ | |
376 | ||
f5284f61 | 377 | |
71686f12 GS |
378 | /* Note that we only ever get here if File::Glob fails to load |
379 | * without at the same time croaking, for some reason, or if | |
380 | * perl was built with PERL_EXTERNAL_GLOB */ | |
381 | ||
d343c3ef | 382 | ENTER_with_name("glob"); |
a0d0e21e | 383 | |
c90c0ff4 | 384 | #ifndef VMS |
3280af22 | 385 | if (PL_tainting) { |
7bac28a0 | 386 | /* |
387 | * The external globbing program may use things we can't control, | |
388 | * so for security reasons we must assume the worst. | |
389 | */ | |
390 | TAINT; | |
22c35a8c | 391 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 392 | } |
c90c0ff4 | 393 | #endif /* !VMS */ |
7bac28a0 | 394 | |
3280af22 | 395 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
159b6efe | 396 | PL_last_in_gv = MUTABLE_GV(*PL_stack_sp--); |
a0d0e21e | 397 | |
3280af22 | 398 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
84bafc02 | 399 | PL_rs = newSVpvs_flags("\000", SVs_TEMP); |
c07a80fd | 400 | #ifndef DOSISH |
401 | #ifndef CSH | |
6b88bc9c | 402 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 403 | #endif /* !CSH */ |
55497cff | 404 | #endif /* !DOSISH */ |
c07a80fd | 405 | |
a0d0e21e | 406 | result = do_readline(); |
d343c3ef | 407 | LEAVE_with_name("glob"); |
a0d0e21e LW |
408 | return result; |
409 | } | |
410 | ||
a0d0e21e LW |
411 | PP(pp_rcatline) |
412 | { | |
97aff369 | 413 | dVAR; |
146174a9 | 414 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
415 | return do_readline(); |
416 | } | |
417 | ||
418 | PP(pp_warn) | |
419 | { | |
97aff369 | 420 | dVAR; dSP; dMARK; |
c5df3096 | 421 | SV *exsv; |
06bf62c7 | 422 | STRLEN len; |
b59aed67 | 423 | if (SP - MARK > 1) { |
a0d0e21e | 424 | dTARGET; |
3280af22 | 425 | do_join(TARG, &PL_sv_no, MARK, SP); |
c5df3096 | 426 | exsv = TARG; |
a0d0e21e LW |
427 | SP = MARK + 1; |
428 | } | |
b59aed67 | 429 | else if (SP == MARK) { |
c5df3096 | 430 | exsv = &PL_sv_no; |
b59aed67 | 431 | EXTEND(SP, 1); |
83f957ec | 432 | SP = MARK + 1; |
b59aed67 | 433 | } |
a0d0e21e | 434 | else { |
c5df3096 | 435 | exsv = TOPs; |
a0d0e21e | 436 | } |
06bf62c7 | 437 | |
72d74926 | 438 | if (SvROK(exsv) || (SvPV_const(exsv, len), len)) { |
c5df3096 Z |
439 | /* well-formed exception supplied */ |
440 | } | |
441 | else if (SvROK(ERRSV)) { | |
442 | exsv = ERRSV; | |
443 | } | |
444 | else if (SvPOK(ERRSV) && SvCUR(ERRSV)) { | |
445 | exsv = sv_mortalcopy(ERRSV); | |
446 | sv_catpvs(exsv, "\t...caught"); | |
447 | } | |
448 | else { | |
449 | exsv = newSVpvs_flags("Warning: something's wrong", SVs_TEMP); | |
450 | } | |
3b7f69a5 FC |
451 | if (SvROK(exsv) && !PL_warnhook) |
452 | Perl_warn(aTHX_ "%"SVf, SVfARG(exsv)); | |
453 | else warn_sv(exsv); | |
a0d0e21e LW |
454 | RETSETYES; |
455 | } | |
456 | ||
457 | PP(pp_die) | |
458 | { | |
97aff369 | 459 | dVAR; dSP; dMARK; |
c5df3096 | 460 | SV *exsv; |
06bf62c7 | 461 | STRLEN len; |
96e176bf CL |
462 | #ifdef VMS |
463 | VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH); | |
464 | #endif | |
a0d0e21e LW |
465 | if (SP - MARK != 1) { |
466 | dTARGET; | |
3280af22 | 467 | do_join(TARG, &PL_sv_no, MARK, SP); |
c5df3096 | 468 | exsv = TARG; |
a0d0e21e LW |
469 | SP = MARK + 1; |
470 | } | |
471 | else { | |
c5df3096 | 472 | exsv = TOPs; |
a0d0e21e | 473 | } |
c5df3096 | 474 | |
72d74926 | 475 | if (SvROK(exsv) || (SvPV_const(exsv, len), len)) { |
c5df3096 Z |
476 | /* well-formed exception supplied */ |
477 | } | |
478 | else if (SvROK(ERRSV)) { | |
479 | exsv = ERRSV; | |
480 | if (sv_isobject(exsv)) { | |
481 | HV * const stash = SvSTASH(SvRV(exsv)); | |
482 | GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); | |
483 | if (gv) { | |
484 | SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); | |
485 | SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); | |
486 | EXTEND(SP, 3); | |
487 | PUSHMARK(SP); | |
488 | PUSHs(exsv); | |
489 | PUSHs(file); | |
490 | PUSHs(line); | |
491 | PUTBACK; | |
492 | call_sv(MUTABLE_SV(GvCV(gv)), | |
493 | G_SCALAR|G_EVAL|G_KEEPERR); | |
494 | exsv = sv_mortalcopy(*PL_stack_sp--); | |
05423cc9 | 495 | } |
4e6ea2c3 | 496 | } |
a0d0e21e | 497 | } |
c5df3096 Z |
498 | else if (SvPOK(ERRSV) && SvCUR(ERRSV)) { |
499 | exsv = sv_mortalcopy(ERRSV); | |
500 | sv_catpvs(exsv, "\t...propagated"); | |
501 | } | |
502 | else { | |
503 | exsv = newSVpvs_flags("Died", SVs_TEMP); | |
504 | } | |
9fed9930 | 505 | return die_sv(exsv); |
a0d0e21e LW |
506 | } |
507 | ||
508 | /* I/O. */ | |
509 | ||
d682515d NC |
510 | OP * |
511 | Perl_tied_method(pTHX_ const char *const methname, SV **sp, SV *const sv, | |
512 | const MAGIC *const mg, const U32 flags, U32 argc, ...) | |
6bcca55b | 513 | { |
d8ef3a16 DM |
514 | SV **orig_sp = sp; |
515 | I32 ret_args; | |
516 | ||
d682515d | 517 | PERL_ARGS_ASSERT_TIED_METHOD; |
6bcca55b NC |
518 | |
519 | /* Ensure that our flag bits do not overlap. */ | |
d682515d NC |
520 | assert((TIED_METHOD_MORTALIZE_NOT_NEEDED & G_WANT) == 0); |
521 | assert((TIED_METHOD_ARGUMENTS_ON_STACK & G_WANT) == 0); | |
94bc412f | 522 | assert((TIED_METHOD_SAY & G_WANT) == 0); |
6bcca55b | 523 | |
d8ef3a16 DM |
524 | PUTBACK; /* sp is at *foot* of args, so this pops args from old stack */ |
525 | PUSHSTACKi(PERLSI_MAGIC); | |
526 | EXTEND(SP, argc+1); /* object + args */ | |
6bcca55b | 527 | PUSHMARK(sp); |
d682515d | 528 | PUSHs(SvTIED_obj(sv, mg)); |
d8ef3a16 DM |
529 | if (flags & TIED_METHOD_ARGUMENTS_ON_STACK) { |
530 | Copy(orig_sp + 2, sp + 1, argc, SV*); /* copy args to new stack */ | |
1a8c1d59 | 531 | sp += argc; |
d8ef3a16 | 532 | } |
1a8c1d59 | 533 | else if (argc) { |
d682515d NC |
534 | const U32 mortalize_not_needed |
535 | = flags & TIED_METHOD_MORTALIZE_NOT_NEEDED; | |
6bcca55b | 536 | va_list args; |
0d5509eb | 537 | va_start(args, argc); |
6bcca55b NC |
538 | do { |
539 | SV *const arg = va_arg(args, SV *); | |
540 | if(mortalize_not_needed) | |
541 | PUSHs(arg); | |
542 | else | |
543 | mPUSHs(arg); | |
544 | } while (--argc); | |
545 | va_end(args); | |
546 | } | |
547 | ||
548 | PUTBACK; | |
d682515d | 549 | ENTER_with_name("call_tied_method"); |
94bc412f NC |
550 | if (flags & TIED_METHOD_SAY) { |
551 | /* local $\ = "\n" */ | |
552 | SAVEGENERICSV(PL_ors_sv); | |
553 | PL_ors_sv = newSVpvs("\n"); | |
554 | } | |
d8ef3a16 DM |
555 | ret_args = call_method(methname, flags & G_WANT); |
556 | SPAGAIN; | |
557 | orig_sp = sp; | |
558 | POPSTACK; | |
559 | SPAGAIN; | |
560 | if (ret_args) { /* copy results back to original stack */ | |
561 | EXTEND(sp, ret_args); | |
562 | Copy(orig_sp - ret_args + 1, sp + 1, ret_args, SV*); | |
563 | sp += ret_args; | |
564 | PUTBACK; | |
565 | } | |
d682515d | 566 | LEAVE_with_name("call_tied_method"); |
6bcca55b NC |
567 | return NORMAL; |
568 | } | |
569 | ||
d682515d NC |
570 | #define tied_method0(a,b,c,d) \ |
571 | Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,0) | |
572 | #define tied_method1(a,b,c,d,e) \ | |
573 | Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,1,e) | |
574 | #define tied_method2(a,b,c,d,e,f) \ | |
575 | Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,2,e,f) | |
6bcca55b | 576 | |
a0d0e21e LW |
577 | PP(pp_open) |
578 | { | |
27da23d5 | 579 | dVAR; dSP; |
a567e93b NIS |
580 | dMARK; dORIGMARK; |
581 | dTARGET; | |
a0d0e21e | 582 | SV *sv; |
5b468f54 | 583 | IO *io; |
5c144d81 | 584 | const char *tmps; |
a0d0e21e | 585 | STRLEN len; |
a567e93b | 586 | bool ok; |
a0d0e21e | 587 | |
159b6efe | 588 | GV * const gv = MUTABLE_GV(*++MARK); |
c4420975 | 589 | |
13be902c | 590 | if (!isGV(gv) && !(SvTYPE(gv) == SVt_PVLV && isGV_with_GP(gv))) |
cea2e8a9 | 591 | DIE(aTHX_ PL_no_usym, "filehandle"); |
abc718f2 | 592 | |
a79db61d | 593 | if ((io = GvIOp(gv))) { |
a5e1d062 | 594 | const MAGIC *mg; |
36477c24 | 595 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 596 | |
a2a5de95 | 597 | if (IoDIRP(io)) |
d1d15184 NC |
598 | Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), |
599 | "Opening dirhandle %s also as a file", | |
600 | GvENAME(gv)); | |
abc718f2 | 601 | |
ad64d0ec | 602 | mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
c4420975 AL |
603 | if (mg) { |
604 | /* Method's args are same as ours ... */ | |
605 | /* ... except handle is replaced by the object */ | |
d682515d NC |
606 | return Perl_tied_method(aTHX_ "OPEN", mark - 1, MUTABLE_SV(io), mg, |
607 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, | |
608 | sp - mark); | |
c4420975 | 609 | } |
4592e6ca NIS |
610 | } |
611 | ||
a567e93b NIS |
612 | if (MARK < SP) { |
613 | sv = *++MARK; | |
614 | } | |
615 | else { | |
35a08ec7 | 616 | sv = GvSVn(gv); |
a567e93b NIS |
617 | } |
618 | ||
5c144d81 | 619 | tmps = SvPV_const(sv, len); |
4608196e | 620 | ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, NULL, MARK+1, (SP-MARK)); |
a567e93b NIS |
621 | SP = ORIGMARK; |
622 | if (ok) | |
3280af22 NIS |
623 | PUSHi( (I32)PL_forkprocess ); |
624 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
625 | PUSHi(0); |
626 | else | |
627 | RETPUSHUNDEF; | |
628 | RETURN; | |
629 | } | |
630 | ||
631 | PP(pp_close) | |
632 | { | |
27da23d5 | 633 | dVAR; dSP; |
159b6efe | 634 | GV * const gv = (MAXARG == 0) ? PL_defoutgv : MUTABLE_GV(POPs); |
1d603a67 | 635 | |
2addaaf3 NC |
636 | if (MAXARG == 0) |
637 | EXTEND(SP, 1); | |
638 | ||
a79db61d AL |
639 | if (gv) { |
640 | IO * const io = GvIO(gv); | |
641 | if (io) { | |
a5e1d062 | 642 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 643 | if (mg) { |
d682515d | 644 | return tied_method0("CLOSE", SP, MUTABLE_SV(io), mg); |
a79db61d AL |
645 | } |
646 | } | |
1d603a67 | 647 | } |
54310121 | 648 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
649 | RETURN; |
650 | } | |
651 | ||
652 | PP(pp_pipe_op) | |
653 | { | |
a0d0e21e | 654 | #ifdef HAS_PIPE |
97aff369 | 655 | dVAR; |
9cad6237 | 656 | dSP; |
a0d0e21e LW |
657 | register IO *rstio; |
658 | register IO *wstio; | |
659 | int fd[2]; | |
660 | ||
159b6efe NC |
661 | GV * const wgv = MUTABLE_GV(POPs); |
662 | GV * const rgv = MUTABLE_GV(POPs); | |
a0d0e21e LW |
663 | |
664 | if (!rgv || !wgv) | |
665 | goto badexit; | |
666 | ||
6e592b3a | 667 | if (!isGV_with_GP(rgv) || !isGV_with_GP(wgv)) |
cea2e8a9 | 668 | DIE(aTHX_ PL_no_usym, "filehandle"); |
a0d0e21e LW |
669 | rstio = GvIOn(rgv); |
670 | wstio = GvIOn(wgv); | |
671 | ||
672 | if (IoIFP(rstio)) | |
673 | do_close(rgv, FALSE); | |
674 | if (IoIFP(wstio)) | |
675 | do_close(wgv, FALSE); | |
676 | ||
6ad3d225 | 677 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
678 | goto badexit; |
679 | ||
460c8493 IZ |
680 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE); |
681 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE); | |
b5ac89c3 | 682 | IoOFP(rstio) = IoIFP(rstio); |
a0d0e21e | 683 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
684 | IoTYPE(rstio) = IoTYPE_RDONLY; |
685 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
686 | |
687 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
a79db61d AL |
688 | if (IoIFP(rstio)) |
689 | PerlIO_close(IoIFP(rstio)); | |
690 | else | |
691 | PerlLIO_close(fd[0]); | |
692 | if (IoOFP(wstio)) | |
693 | PerlIO_close(IoOFP(wstio)); | |
694 | else | |
695 | PerlLIO_close(fd[1]); | |
a0d0e21e LW |
696 | goto badexit; |
697 | } | |
4771b018 GS |
698 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
699 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
700 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
701 | #endif | |
a0d0e21e LW |
702 | RETPUSHYES; |
703 | ||
704 | badexit: | |
705 | RETPUSHUNDEF; | |
706 | #else | |
cea2e8a9 | 707 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
708 | #endif |
709 | } | |
710 | ||
711 | PP(pp_fileno) | |
712 | { | |
27da23d5 | 713 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
714 | GV *gv; |
715 | IO *io; | |
760ac839 | 716 | PerlIO *fp; |
a5e1d062 | 717 | const MAGIC *mg; |
4592e6ca | 718 | |
a0d0e21e LW |
719 | if (MAXARG < 1) |
720 | RETPUSHUNDEF; | |
159b6efe | 721 | gv = MUTABLE_GV(POPs); |
9c9f25b8 | 722 | io = GvIO(gv); |
4592e6ca | 723 | |
9c9f25b8 | 724 | if (io |
ad64d0ec | 725 | && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) |
5b468f54 | 726 | { |
d682515d | 727 | return tied_method0("FILENO", SP, MUTABLE_SV(io), mg); |
4592e6ca NIS |
728 | } |
729 | ||
9c9f25b8 | 730 | if (!io || !(fp = IoIFP(io))) { |
c289d2f7 JH |
731 | /* Can't do this because people seem to do things like |
732 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
51087808 NC |
733 | |
734 | report_evil_fh(gv); | |
c289d2f7 | 735 | */ |
a0d0e21e | 736 | RETPUSHUNDEF; |
c289d2f7 JH |
737 | } |
738 | ||
760ac839 | 739 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
740 | RETURN; |
741 | } | |
742 | ||
743 | PP(pp_umask) | |
744 | { | |
97aff369 | 745 | dVAR; |
27da23d5 | 746 | dSP; |
d7e492a4 | 747 | #ifdef HAS_UMASK |
27da23d5 | 748 | dTARGET; |
761237fe | 749 | Mode_t anum; |
a0d0e21e | 750 | |
a0d0e21e | 751 | if (MAXARG < 1) { |
b0b546b3 GA |
752 | anum = PerlLIO_umask(022); |
753 | /* setting it to 022 between the two calls to umask avoids | |
754 | * to have a window where the umask is set to 0 -- meaning | |
755 | * that another thread could create world-writeable files. */ | |
756 | if (anum != 022) | |
757 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
758 | } |
759 | else | |
6ad3d225 | 760 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
761 | TAINT_PROPER("umask"); |
762 | XPUSHi(anum); | |
763 | #else | |
a0288114 | 764 | /* Only DIE if trying to restrict permissions on "user" (self). |
eec2d3df GS |
765 | * Otherwise it's harmless and more useful to just return undef |
766 | * since 'group' and 'other' concepts probably don't exist here. */ | |
767 | if (MAXARG >= 1 && (POPi & 0700)) | |
cea2e8a9 | 768 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 769 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
770 | #endif |
771 | RETURN; | |
772 | } | |
773 | ||
774 | PP(pp_binmode) | |
775 | { | |
27da23d5 | 776 | dVAR; dSP; |
a0d0e21e LW |
777 | GV *gv; |
778 | IO *io; | |
760ac839 | 779 | PerlIO *fp; |
a0714e2c | 780 | SV *discp = NULL; |
a0d0e21e LW |
781 | |
782 | if (MAXARG < 1) | |
783 | RETPUSHUNDEF; | |
60382766 | 784 | if (MAXARG > 1) { |
16fe6d59 | 785 | discp = POPs; |
60382766 | 786 | } |
a0d0e21e | 787 | |
159b6efe | 788 | gv = MUTABLE_GV(POPs); |
9c9f25b8 | 789 | io = GvIO(gv); |
4592e6ca | 790 | |
9c9f25b8 | 791 | if (io) { |
a5e1d062 | 792 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 793 | if (mg) { |
bc0c81ca NC |
794 | /* This takes advantage of the implementation of the varargs |
795 | function, which I don't think that the optimiser will be able to | |
796 | figure out. Although, as it's a static function, in theory it | |
797 | could. */ | |
d682515d NC |
798 | return Perl_tied_method(aTHX_ "BINMODE", SP, MUTABLE_SV(io), mg, |
799 | G_SCALAR|TIED_METHOD_MORTALIZE_NOT_NEEDED, | |
800 | discp ? 1 : 0, discp); | |
a79db61d | 801 | } |
4592e6ca | 802 | } |
a0d0e21e | 803 | |
9c9f25b8 | 804 | if (!io || !(fp = IoIFP(io))) { |
51087808 | 805 | report_evil_fh(gv); |
b5fe5ca2 | 806 | SETERRNO(EBADF,RMS_IFI); |
50f846a7 SC |
807 | RETPUSHUNDEF; |
808 | } | |
a0d0e21e | 809 | |
40d98b49 | 810 | PUTBACK; |
f0a78170 | 811 | { |
a79b25b7 VP |
812 | STRLEN len = 0; |
813 | const char *d = NULL; | |
814 | int mode; | |
815 | if (discp) | |
816 | d = SvPV_const(discp, len); | |
817 | mode = mode_from_discipline(d, len); | |
f0a78170 NC |
818 | if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) { |
819 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
820 | if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) { | |
821 | SPAGAIN; | |
822 | RETPUSHUNDEF; | |
823 | } | |
824 | } | |
825 | SPAGAIN; | |
826 | RETPUSHYES; | |
827 | } | |
828 | else { | |
829 | SPAGAIN; | |
830 | RETPUSHUNDEF; | |
38af81ff | 831 | } |
40d98b49 | 832 | } |
a0d0e21e LW |
833 | } |
834 | ||
835 | PP(pp_tie) | |
836 | { | |
27da23d5 | 837 | dVAR; dSP; dMARK; |
a0d0e21e | 838 | HV* stash; |
07822e36 | 839 | GV *gv = NULL; |
a0d0e21e | 840 | SV *sv; |
1df70142 | 841 | const I32 markoff = MARK - PL_stack_base; |
e1ec3a88 | 842 | const char *methname; |
14befaf4 | 843 | int how = PERL_MAGIC_tied; |
e336de0d | 844 | U32 items; |
c4420975 | 845 | SV *varsv = *++MARK; |
a0d0e21e | 846 | |
6b05c17a NIS |
847 | switch(SvTYPE(varsv)) { |
848 | case SVt_PVHV: | |
849 | methname = "TIEHASH"; | |
85fbaab2 | 850 | HvEITER_set(MUTABLE_HV(varsv), 0); |
6b05c17a NIS |
851 | break; |
852 | case SVt_PVAV: | |
853 | methname = "TIEARRAY"; | |
854 | break; | |
855 | case SVt_PVGV: | |
13be902c | 856 | case SVt_PVLV: |
8bb5f786 | 857 | if (isGV_with_GP(varsv) && !SvFAKE(varsv)) { |
6e592b3a BM |
858 | methname = "TIEHANDLE"; |
859 | how = PERL_MAGIC_tiedscalar; | |
860 | /* For tied filehandles, we apply tiedscalar magic to the IO | |
861 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
862 | if (!GvIOp(varsv)) | |
863 | GvIOp(varsv) = newIO(); | |
ad64d0ec | 864 | varsv = MUTABLE_SV(GvIOp(varsv)); |
6e592b3a BM |
865 | break; |
866 | } | |
867 | /* FALL THROUGH */ | |
6b05c17a NIS |
868 | default: |
869 | methname = "TIESCALAR"; | |
14befaf4 | 870 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
871 | break; |
872 | } | |
e336de0d | 873 | items = SP - MARK++; |
a91d1d42 | 874 | if (sv_isobject(*MARK)) { /* Calls GET magic. */ |
d343c3ef | 875 | ENTER_with_name("call_TIE"); |
e788e7d3 | 876 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 877 | PUSHMARK(SP); |
eb160463 | 878 | EXTEND(SP,(I32)items); |
e336de0d GS |
879 | while (items--) |
880 | PUSHs(*MARK++); | |
881 | PUTBACK; | |
864dbfa3 | 882 | call_method(methname, G_SCALAR); |
301e8125 | 883 | } |
6b05c17a | 884 | else { |
086d2913 NC |
885 | /* Can't use call_method here, else this: fileno FOO; tie @a, "FOO" |
886 | * will attempt to invoke IO::File::TIEARRAY, with (best case) the | |
887 | * wrong error message, and worse case, supreme action at a distance. | |
888 | * (Sorry obfuscation writers. You're not going to be given this one.) | |
6b05c17a | 889 | */ |
a91d1d42 VP |
890 | STRLEN len; |
891 | const char *name = SvPV_nomg_const(*MARK, len); | |
892 | stash = gv_stashpvn(name, len, 0); | |
6b05c17a | 893 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { |
35c1215d | 894 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", |
a91d1d42 | 895 | methname, SVfARG(SvOK(*MARK) ? *MARK : &PL_sv_no)); |
6b05c17a | 896 | } |
d343c3ef | 897 | ENTER_with_name("call_TIE"); |
e788e7d3 | 898 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 899 | PUSHMARK(SP); |
eb160463 | 900 | EXTEND(SP,(I32)items); |
e336de0d GS |
901 | while (items--) |
902 | PUSHs(*MARK++); | |
903 | PUTBACK; | |
ad64d0ec | 904 | call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); |
6b05c17a | 905 | } |
a0d0e21e LW |
906 | SPAGAIN; |
907 | ||
908 | sv = TOPs; | |
d3acc0f7 | 909 | POPSTACK; |
a0d0e21e | 910 | if (sv_isobject(sv)) { |
33c27489 | 911 | sv_unmagic(varsv, how); |
ae21d580 | 912 | /* Croak if a self-tie on an aggregate is attempted. */ |
b881518d | 913 | if (varsv == SvRV(sv) && |
d87ebaca YST |
914 | (SvTYPE(varsv) == SVt_PVAV || |
915 | SvTYPE(varsv) == SVt_PVHV)) | |
ae21d580 JH |
916 | Perl_croak(aTHX_ |
917 | "Self-ties of arrays and hashes are not supported"); | |
a0714e2c | 918 | sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0); |
a0d0e21e | 919 | } |
d343c3ef | 920 | LEAVE_with_name("call_TIE"); |
3280af22 | 921 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
922 | PUSHs(sv); |
923 | RETURN; | |
924 | } | |
925 | ||
926 | PP(pp_untie) | |
927 | { | |
27da23d5 | 928 | dVAR; dSP; |
5b468f54 | 929 | MAGIC *mg; |
33c27489 | 930 | SV *sv = POPs; |
1df70142 | 931 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 932 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
55497cff | 933 | |
ca0d4ed9 | 934 | if (isGV_with_GP(sv) && !SvFAKE(sv) && !(sv = MUTABLE_SV(GvIOp(sv)))) |
5b468f54 AMS |
935 | RETPUSHYES; |
936 | ||
65eba18f | 937 | if ((mg = SvTIED_mg(sv, how))) { |
1b6737cc | 938 | SV * const obj = SvRV(SvTIED_obj(sv, mg)); |
fa2b88e0 | 939 | if (obj) { |
c4420975 | 940 | GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE); |
0bd48802 | 941 | CV *cv; |
c4420975 | 942 | if (gv && isGV(gv) && (cv = GvCV(gv))) { |
fa2b88e0 | 943 | PUSHMARK(SP); |
c33ef3ac | 944 | PUSHs(SvTIED_obj(MUTABLE_SV(gv), mg)); |
6e449a3a | 945 | mXPUSHi(SvREFCNT(obj) - 1); |
fa2b88e0 | 946 | PUTBACK; |
d343c3ef | 947 | ENTER_with_name("call_UNTIE"); |
ad64d0ec | 948 | call_sv(MUTABLE_SV(cv), G_VOID); |
d343c3ef | 949 | LEAVE_with_name("call_UNTIE"); |
fa2b88e0 JS |
950 | SPAGAIN; |
951 | } | |
a2a5de95 NC |
952 | else if (mg && SvREFCNT(obj) > 1) { |
953 | Perl_ck_warner(aTHX_ packWARN(WARN_UNTIE), | |
954 | "untie attempted while %"UVuf" inner references still exist", | |
955 | (UV)SvREFCNT(obj) - 1 ) ; | |
c4420975 | 956 | } |
cbdc8872 | 957 | } |
958 | } | |
38193a09 | 959 | sv_unmagic(sv, how) ; |
55497cff | 960 | RETPUSHYES; |
a0d0e21e LW |
961 | } |
962 | ||
c07a80fd | 963 | PP(pp_tied) |
964 | { | |
97aff369 | 965 | dVAR; |
39644a26 | 966 | dSP; |
1b6737cc | 967 | const MAGIC *mg; |
33c27489 | 968 | SV *sv = POPs; |
1df70142 | 969 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 970 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
5b468f54 | 971 | |
4be76e1f | 972 | if (isGV_with_GP(sv) && !SvFAKE(sv) && !(sv = MUTABLE_SV(GvIOp(sv)))) |
5b468f54 | 973 | RETPUSHUNDEF; |
c07a80fd | 974 | |
155aba94 | 975 | if ((mg = SvTIED_mg(sv, how))) { |
33c27489 GS |
976 | SV *osv = SvTIED_obj(sv, mg); |
977 | if (osv == mg->mg_obj) | |
978 | osv = sv_mortalcopy(osv); | |
979 | PUSHs(osv); | |
980 | RETURN; | |
c07a80fd | 981 | } |
c07a80fd | 982 | RETPUSHUNDEF; |
983 | } | |
984 | ||
a0d0e21e LW |
985 | PP(pp_dbmopen) |
986 | { | |
27da23d5 | 987 | dVAR; dSP; |
a0d0e21e LW |
988 | dPOPPOPssrl; |
989 | HV* stash; | |
07822e36 | 990 | GV *gv = NULL; |
a0d0e21e | 991 | |
85fbaab2 | 992 | HV * const hv = MUTABLE_HV(POPs); |
84bafc02 | 993 | SV * const sv = newSVpvs_flags("AnyDBM_File", SVs_TEMP); |
da51bb9b | 994 | stash = gv_stashsv(sv, 0); |
8ebc5c01 | 995 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 996 | PUTBACK; |
864dbfa3 | 997 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 998 | SPAGAIN; |
eff494dd | 999 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 1000 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
1001 | } |
1002 | ||
57d3b86d | 1003 | ENTER; |
924508f0 | 1004 | PUSHMARK(SP); |
6b05c17a | 1005 | |
924508f0 | 1006 | EXTEND(SP, 5); |
a0d0e21e LW |
1007 | PUSHs(sv); |
1008 | PUSHs(left); | |
1009 | if (SvIV(right)) | |
6e449a3a | 1010 | mPUSHu(O_RDWR|O_CREAT); |
a0d0e21e | 1011 | else |
6e449a3a | 1012 | mPUSHu(O_RDWR); |
a0d0e21e | 1013 | PUSHs(right); |
57d3b86d | 1014 | PUTBACK; |
ad64d0ec | 1015 | call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); |
a0d0e21e LW |
1016 | SPAGAIN; |
1017 | ||
1018 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
1019 | SP--; |
1020 | PUSHMARK(SP); | |
a0d0e21e LW |
1021 | PUSHs(sv); |
1022 | PUSHs(left); | |
6e449a3a | 1023 | mPUSHu(O_RDONLY); |
a0d0e21e | 1024 | PUSHs(right); |
a0d0e21e | 1025 | PUTBACK; |
ad64d0ec | 1026 | call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); |
a0d0e21e LW |
1027 | SPAGAIN; |
1028 | } | |
1029 | ||
6b05c17a | 1030 | if (sv_isobject(TOPs)) { |
ad64d0ec NC |
1031 | sv_unmagic(MUTABLE_SV(hv), PERL_MAGIC_tied); |
1032 | sv_magic(MUTABLE_SV(hv), TOPs, PERL_MAGIC_tied, NULL, 0); | |
6b05c17a | 1033 | } |
a0d0e21e LW |
1034 | LEAVE; |
1035 | RETURN; | |
1036 | } | |
1037 | ||
a0d0e21e LW |
1038 | PP(pp_sselect) |
1039 | { | |
a0d0e21e | 1040 | #ifdef HAS_SELECT |
97aff369 | 1041 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
1042 | register I32 i; |
1043 | register I32 j; | |
1044 | register char *s; | |
1045 | register SV *sv; | |
65202027 | 1046 | NV value; |
a0d0e21e LW |
1047 | I32 maxlen = 0; |
1048 | I32 nfound; | |
1049 | struct timeval timebuf; | |
1050 | struct timeval *tbuf = &timebuf; | |
1051 | I32 growsize; | |
1052 | char *fd_sets[4]; | |
1053 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1054 | I32 masksize; | |
1055 | I32 offset; | |
1056 | I32 k; | |
1057 | ||
1058 | # if BYTEORDER & 0xf0000 | |
1059 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
1060 | # else | |
1061 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
1062 | # endif | |
1063 | ||
1064 | #endif | |
1065 | ||
1066 | SP -= 4; | |
1067 | for (i = 1; i <= 3; i++) { | |
c4420975 | 1068 | SV * const sv = SP[i]; |
15547071 GA |
1069 | if (!SvOK(sv)) |
1070 | continue; | |
1071 | if (SvREADONLY(sv)) { | |
729c079f NC |
1072 | if (SvIsCOW(sv)) |
1073 | sv_force_normal_flags(sv, 0); | |
15547071 | 1074 | if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0)) |
6ad8f254 | 1075 | Perl_croak_no_modify(aTHX); |
729c079f | 1076 | } |
4ef2275c | 1077 | if (!SvPOK(sv)) { |
a2a5de95 | 1078 | Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask"); |
4ef2275c GA |
1079 | SvPV_force_nolen(sv); /* force string conversion */ |
1080 | } | |
729c079f | 1081 | j = SvCUR(sv); |
a0d0e21e LW |
1082 | if (maxlen < j) |
1083 | maxlen = j; | |
1084 | } | |
1085 | ||
5ff3f7a4 | 1086 | /* little endians can use vecs directly */ |
e366b469 | 1087 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 1088 | # ifdef NFDBITS |
a0d0e21e | 1089 | |
5ff3f7a4 GS |
1090 | # ifndef NBBY |
1091 | # define NBBY 8 | |
1092 | # endif | |
a0d0e21e LW |
1093 | |
1094 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1095 | # else |
a0d0e21e | 1096 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1097 | # endif |
a0d0e21e LW |
1098 | Zero(&fd_sets[0], 4, char*); |
1099 | #endif | |
1100 | ||
ad517f75 MHM |
1101 | # if SELECT_MIN_BITS == 1 |
1102 | growsize = sizeof(fd_set); | |
1103 | # else | |
1104 | # if defined(__GLIBC__) && defined(__FD_SETSIZE) | |
1105 | # undef SELECT_MIN_BITS | |
1106 | # define SELECT_MIN_BITS __FD_SETSIZE | |
1107 | # endif | |
e366b469 PG |
1108 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
1109 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1110 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
1111 | * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates | |
1112 | * on (sets/tests/clears bits) is 32 bits. */ | |
1113 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
e366b469 PG |
1114 | # endif |
1115 | ||
a0d0e21e LW |
1116 | sv = SP[4]; |
1117 | if (SvOK(sv)) { | |
1118 | value = SvNV(sv); | |
1119 | if (value < 0.0) | |
1120 | value = 0.0; | |
1121 | timebuf.tv_sec = (long)value; | |
65202027 | 1122 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1123 | timebuf.tv_usec = (long)(value * 1000000.0); |
1124 | } | |
1125 | else | |
4608196e | 1126 | tbuf = NULL; |
a0d0e21e LW |
1127 | |
1128 | for (i = 1; i <= 3; i++) { | |
1129 | sv = SP[i]; | |
15547071 | 1130 | if (!SvOK(sv) || SvCUR(sv) == 0) { |
a0d0e21e LW |
1131 | fd_sets[i] = 0; |
1132 | continue; | |
1133 | } | |
4ef2275c | 1134 | assert(SvPOK(sv)); |
a0d0e21e LW |
1135 | j = SvLEN(sv); |
1136 | if (j < growsize) { | |
1137 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1138 | } |
c07a80fd | 1139 | j = SvCUR(sv); |
1140 | s = SvPVX(sv) + j; | |
1141 | while (++j <= growsize) { | |
1142 | *s++ = '\0'; | |
1143 | } | |
1144 | ||
a0d0e21e LW |
1145 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1146 | s = SvPVX(sv); | |
a02a5408 | 1147 | Newx(fd_sets[i], growsize, char); |
a0d0e21e LW |
1148 | for (offset = 0; offset < growsize; offset += masksize) { |
1149 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1150 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1151 | } | |
1152 | #else | |
1153 | fd_sets[i] = SvPVX(sv); | |
1154 | #endif | |
1155 | } | |
1156 | ||
dc4c69d9 JH |
1157 | #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST |
1158 | /* Can't make just the (void*) conditional because that would be | |
1159 | * cpp #if within cpp macro, and not all compilers like that. */ | |
1160 | nfound = PerlSock_select( | |
1161 | maxlen * 8, | |
1162 | (Select_fd_set_t) fd_sets[1], | |
1163 | (Select_fd_set_t) fd_sets[2], | |
1164 | (Select_fd_set_t) fd_sets[3], | |
1165 | (void*) tbuf); /* Workaround for compiler bug. */ | |
1166 | #else | |
6ad3d225 | 1167 | nfound = PerlSock_select( |
a0d0e21e LW |
1168 | maxlen * 8, |
1169 | (Select_fd_set_t) fd_sets[1], | |
1170 | (Select_fd_set_t) fd_sets[2], | |
1171 | (Select_fd_set_t) fd_sets[3], | |
1172 | tbuf); | |
dc4c69d9 | 1173 | #endif |
a0d0e21e LW |
1174 | for (i = 1; i <= 3; i++) { |
1175 | if (fd_sets[i]) { | |
1176 | sv = SP[i]; | |
1177 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1178 | s = SvPVX(sv); | |
1179 | for (offset = 0; offset < growsize; offset += masksize) { | |
1180 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1181 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1182 | } | |
1183 | Safefree(fd_sets[i]); | |
1184 | #endif | |
1185 | SvSETMAGIC(sv); | |
1186 | } | |
1187 | } | |
1188 | ||
4189264e | 1189 | PUSHi(nfound); |
a0d0e21e | 1190 | if (GIMME == G_ARRAY && tbuf) { |
65202027 DS |
1191 | value = (NV)(timebuf.tv_sec) + |
1192 | (NV)(timebuf.tv_usec) / 1000000.0; | |
6e449a3a | 1193 | mPUSHn(value); |
a0d0e21e LW |
1194 | } |
1195 | RETURN; | |
1196 | #else | |
cea2e8a9 | 1197 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1198 | #endif |
1199 | } | |
1200 | ||
8226a3d7 NC |
1201 | /* |
1202 | =for apidoc setdefout | |
1203 | ||
1204 | Sets PL_defoutgv, the default file handle for output, to the passed in | |
1205 | typeglob. As PL_defoutgv "owns" a reference on its typeglob, the reference | |
1206 | count of the passed in typeglob is increased by one, and the reference count | |
1207 | of the typeglob that PL_defoutgv points to is decreased by one. | |
1208 | ||
1209 | =cut | |
1210 | */ | |
1211 | ||
4633a7c4 | 1212 | void |
864dbfa3 | 1213 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 | 1214 | { |
97aff369 | 1215 | dVAR; |
b37c2d43 | 1216 | SvREFCNT_inc_simple_void(gv); |
ef8d46e8 | 1217 | SvREFCNT_dec(PL_defoutgv); |
3280af22 | 1218 | PL_defoutgv = gv; |
4633a7c4 LW |
1219 | } |
1220 | ||
a0d0e21e LW |
1221 | PP(pp_select) |
1222 | { | |
97aff369 | 1223 | dVAR; dSP; dTARGET; |
4633a7c4 | 1224 | HV *hv; |
159b6efe | 1225 | GV * const newdefout = (PL_op->op_private > 0) ? (MUTABLE_GV(POPs)) : NULL; |
099be4f1 | 1226 | GV * egv = GvEGVx(PL_defoutgv); |
4633a7c4 | 1227 | |
4633a7c4 | 1228 | if (!egv) |
3280af22 | 1229 | egv = PL_defoutgv; |
099be4f1 | 1230 | hv = isGV_with_GP(egv) ? GvSTASH(egv) : NULL; |
4633a7c4 | 1231 | if (! hv) |
3280af22 | 1232 | XPUSHs(&PL_sv_undef); |
4633a7c4 | 1233 | else { |
c4420975 | 1234 | GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE); |
f86702cc | 1235 | if (gvp && *gvp == egv) { |
bd61b366 | 1236 | gv_efullname4(TARG, PL_defoutgv, NULL, TRUE); |
f86702cc | 1237 | XPUSHTARG; |
1238 | } | |
1239 | else { | |
ad64d0ec | 1240 | mXPUSHs(newRV(MUTABLE_SV(egv))); |
f86702cc | 1241 | } |
4633a7c4 LW |
1242 | } |
1243 | ||
1244 | if (newdefout) { | |
ded8aa31 GS |
1245 | if (!GvIO(newdefout)) |
1246 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1247 | setdefout(newdefout); |
1248 | } | |
1249 | ||
a0d0e21e LW |
1250 | RETURN; |
1251 | } | |
1252 | ||
1253 | PP(pp_getc) | |
1254 | { | |
27da23d5 | 1255 | dVAR; dSP; dTARGET; |
159b6efe | 1256 | GV * const gv = (MAXARG==0) ? PL_stdingv : MUTABLE_GV(POPs); |
9c9f25b8 | 1257 | IO *const io = GvIO(gv); |
2ae324a7 | 1258 | |
ac3697cd NC |
1259 | if (MAXARG == 0) |
1260 | EXTEND(SP, 1); | |
1261 | ||
9c9f25b8 | 1262 | if (io) { |
a5e1d062 | 1263 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 1264 | if (mg) { |
0240605e | 1265 | const U32 gimme = GIMME_V; |
d682515d | 1266 | Perl_tied_method(aTHX_ "GETC", SP, MUTABLE_SV(io), mg, gimme, 0); |
0240605e NC |
1267 | if (gimme == G_SCALAR) { |
1268 | SPAGAIN; | |
a79db61d | 1269 | SvSetMagicSV_nosteal(TARG, TOPs); |
0240605e NC |
1270 | } |
1271 | return NORMAL; | |
a79db61d | 1272 | } |
2ae324a7 | 1273 | } |
90133b69 | 1274 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
51087808 | 1275 | if (!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)) |
831e4cc3 | 1276 | report_evil_fh(gv); |
b5fe5ca2 | 1277 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1278 | RETPUSHUNDEF; |
90133b69 | 1279 | } |
bbce6d69 | 1280 | TAINT; |
76f68e9b | 1281 | sv_setpvs(TARG, " "); |
9bc64814 | 1282 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1283 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1284 | /* Find out how many bytes the char needs */ | |
aa07b2f6 | 1285 | Size_t len = UTF8SKIP(SvPVX_const(TARG)); |
7d59b7e4 NIS |
1286 | if (len > 1) { |
1287 | SvGROW(TARG,len+1); | |
1288 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1289 | SvCUR_set(TARG,1+len); | |
1290 | } | |
1291 | SvUTF8_on(TARG); | |
1292 | } | |
a0d0e21e LW |
1293 | PUSHTARG; |
1294 | RETURN; | |
1295 | } | |
1296 | ||
76e3520e | 1297 | STATIC OP * |
cea2e8a9 | 1298 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1299 | { |
27da23d5 | 1300 | dVAR; |
c09156bb | 1301 | register PERL_CONTEXT *cx; |
f54cb97a | 1302 | const I32 gimme = GIMME_V; |
a0d0e21e | 1303 | |
7918f24d NC |
1304 | PERL_ARGS_ASSERT_DOFORM; |
1305 | ||
7b190374 NC |
1306 | if (cv && CvCLONE(cv)) |
1307 | cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv)))); | |
1308 | ||
a0d0e21e LW |
1309 | ENTER; |
1310 | SAVETMPS; | |
1311 | ||
146174a9 | 1312 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
10067d9a | 1313 | PUSHFORMAT(cx, retop); |
fd617465 DM |
1314 | SAVECOMPPAD(); |
1315 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1); | |
a0d0e21e | 1316 | |
4633a7c4 | 1317 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1318 | return CvSTART(cv); |
1319 | } | |
1320 | ||
1321 | PP(pp_enterwrite) | |
1322 | { | |
97aff369 | 1323 | dVAR; |
39644a26 | 1324 | dSP; |
a0d0e21e LW |
1325 | register GV *gv; |
1326 | register IO *io; | |
1327 | GV *fgv; | |
07822e36 JH |
1328 | CV *cv = NULL; |
1329 | SV *tmpsv = NULL; | |
a0d0e21e | 1330 | |
2addaaf3 | 1331 | if (MAXARG == 0) { |
3280af22 | 1332 | gv = PL_defoutgv; |
2addaaf3 NC |
1333 | EXTEND(SP, 1); |
1334 | } | |
a0d0e21e | 1335 | else { |
159b6efe | 1336 | gv = MUTABLE_GV(POPs); |
a0d0e21e | 1337 | if (!gv) |
3280af22 | 1338 | gv = PL_defoutgv; |
a0d0e21e | 1339 | } |
a0d0e21e LW |
1340 | io = GvIO(gv); |
1341 | if (!io) { | |
1342 | RETPUSHNO; | |
1343 | } | |
1344 | if (IoFMT_GV(io)) | |
1345 | fgv = IoFMT_GV(io); | |
1346 | else | |
1347 | fgv = gv; | |
1348 | ||
a79db61d AL |
1349 | if (!fgv) |
1350 | goto not_a_format_reference; | |
1351 | ||
a0d0e21e | 1352 | cv = GvFORM(fgv); |
a0d0e21e | 1353 | if (!cv) { |
f4a7049d | 1354 | const char *name; |
10edeb5d | 1355 | tmpsv = sv_newmortal(); |
f4a7049d NC |
1356 | gv_efullname4(tmpsv, fgv, NULL, FALSE); |
1357 | name = SvPV_nolen_const(tmpsv); | |
1358 | if (name && *name) | |
1359 | DIE(aTHX_ "Undefined format \"%s\" called", name); | |
a79db61d AL |
1360 | |
1361 | not_a_format_reference: | |
cea2e8a9 | 1362 | DIE(aTHX_ "Not a format reference"); |
a0d0e21e | 1363 | } |
44a8e56a | 1364 | IoFLAGS(io) &= ~IOf_DIDTOP; |
533c011a | 1365 | return doform(cv,gv,PL_op->op_next); |
a0d0e21e LW |
1366 | } |
1367 | ||
1368 | PP(pp_leavewrite) | |
1369 | { | |
27da23d5 | 1370 | dVAR; dSP; |
f9c764c5 | 1371 | GV * const gv = cxstack[cxstack_ix].blk_format.gv; |
1b6737cc | 1372 | register IO * const io = GvIOp(gv); |
8b8cacda | 1373 | PerlIO *ofp; |
760ac839 | 1374 | PerlIO *fp; |
8772537c AL |
1375 | SV **newsp; |
1376 | I32 gimme; | |
c09156bb | 1377 | register PERL_CONTEXT *cx; |
8f89e5a9 | 1378 | OP *retop; |
a0d0e21e | 1379 | |
8b8cacda B |
1380 | if (!io || !(ofp = IoOFP(io))) |
1381 | goto forget_top; | |
1382 | ||
760ac839 | 1383 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1384 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
8b8cacda | 1385 | |
3280af22 NIS |
1386 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1387 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1388 | { |
4633a7c4 LW |
1389 | GV *fgv; |
1390 | CV *cv; | |
a0d0e21e LW |
1391 | if (!IoTOP_GV(io)) { |
1392 | GV *topgv; | |
a0d0e21e LW |
1393 | |
1394 | if (!IoTOP_NAME(io)) { | |
1b6737cc | 1395 | SV *topname; |
a0d0e21e LW |
1396 | if (!IoFMT_NAME(io)) |
1397 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
0bd0581c | 1398 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv))); |
f776e3cd | 1399 | topgv = gv_fetchsv(topname, 0, SVt_PVFM); |
748a9306 | 1400 | if ((topgv && GvFORM(topgv)) || |
fafc274c | 1401 | !gv_fetchpvs("top", GV_NOTQUAL, SVt_PVFM)) |
2e0de35c | 1402 | IoTOP_NAME(io) = savesvpv(topname); |
a0d0e21e | 1403 | else |
89529cee | 1404 | IoTOP_NAME(io) = savepvs("top"); |
a0d0e21e | 1405 | } |
f776e3cd | 1406 | topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM); |
a0d0e21e | 1407 | if (!topgv || !GvFORM(topgv)) { |
b929a54b | 1408 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
a0d0e21e LW |
1409 | goto forget_top; |
1410 | } | |
1411 | IoTOP_GV(io) = topgv; | |
1412 | } | |
748a9306 LW |
1413 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1414 | I32 lines = IoLINES_LEFT(io); | |
504618e9 | 1415 | const char *s = SvPVX_const(PL_formtarget); |
8e07c86e AD |
1416 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1417 | goto forget_top; | |
748a9306 LW |
1418 | while (lines-- > 0) { |
1419 | s = strchr(s, '\n'); | |
1420 | if (!s) | |
1421 | break; | |
1422 | s++; | |
1423 | } | |
1424 | if (s) { | |
f54cb97a | 1425 | const STRLEN save = SvCUR(PL_formtarget); |
aa07b2f6 | 1426 | SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget)); |
d75029d0 NIS |
1427 | do_print(PL_formtarget, ofp); |
1428 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1429 | sv_chop(PL_formtarget, s); |
1430 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1431 | } |
1432 | } | |
a0d0e21e | 1433 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
d75029d0 | 1434 | do_print(PL_formfeed, ofp); |
a0d0e21e LW |
1435 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1436 | IoPAGE(io)++; | |
3280af22 | 1437 | PL_formtarget = PL_toptarget; |
748a9306 | 1438 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 LW |
1439 | fgv = IoTOP_GV(io); |
1440 | if (!fgv) | |
cea2e8a9 | 1441 | DIE(aTHX_ "bad top format reference"); |
4633a7c4 | 1442 | cv = GvFORM(fgv); |
1df70142 AL |
1443 | if (!cv) { |
1444 | SV * const sv = sv_newmortal(); | |
b464bac0 | 1445 | const char *name; |
bd61b366 | 1446 | gv_efullname4(sv, fgv, NULL, FALSE); |
e62f0680 | 1447 | name = SvPV_nolen_const(sv); |
2dd78f96 | 1448 | if (name && *name) |
0e528f24 JH |
1449 | DIE(aTHX_ "Undefined top format \"%s\" called", name); |
1450 | else | |
1451 | DIE(aTHX_ "Undefined top format called"); | |
4633a7c4 | 1452 | } |
0e528f24 | 1453 | return doform(cv, gv, PL_op); |
a0d0e21e LW |
1454 | } |
1455 | ||
1456 | forget_top: | |
3280af22 | 1457 | POPBLOCK(cx,PL_curpm); |
a0d0e21e | 1458 | POPFORMAT(cx); |
8f89e5a9 | 1459 | retop = cx->blk_sub.retop; |
a0d0e21e LW |
1460 | LEAVE; |
1461 | ||
1462 | fp = IoOFP(io); | |
1463 | if (!fp) { | |
7716c5c5 NC |
1464 | if (IoIFP(io)) |
1465 | report_wrongway_fh(gv, '<'); | |
c521cf7c | 1466 | else |
7716c5c5 | 1467 | report_evil_fh(gv); |
3280af22 | 1468 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1469 | } |
1470 | else { | |
3280af22 | 1471 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
a2a5de95 | 1472 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1473 | } |
d75029d0 | 1474 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1475 | PUSHs(&PL_sv_no); |
a0d0e21e | 1476 | else { |
3280af22 NIS |
1477 | FmLINES(PL_formtarget) = 0; |
1478 | SvCUR_set(PL_formtarget, 0); | |
1479 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1480 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1481 | (void)PerlIO_flush(fp); |
3280af22 | 1482 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1483 | } |
1484 | } | |
9cbac4c7 | 1485 | /* bad_ofp: */ |
3280af22 | 1486 | PL_formtarget = PL_bodytarget; |
a0d0e21e | 1487 | PUTBACK; |
29033a8a SH |
1488 | PERL_UNUSED_VAR(newsp); |
1489 | PERL_UNUSED_VAR(gimme); | |
8f89e5a9 | 1490 | return retop; |
a0d0e21e LW |
1491 | } |
1492 | ||
1493 | PP(pp_prtf) | |
1494 | { | |
27da23d5 | 1495 | dVAR; dSP; dMARK; dORIGMARK; |
760ac839 | 1496 | PerlIO *fp; |
26db47c4 | 1497 | SV *sv; |
a0d0e21e | 1498 | |
159b6efe NC |
1499 | GV * const gv |
1500 | = (PL_op->op_flags & OPf_STACKED) ? MUTABLE_GV(*++MARK) : PL_defoutgv; | |
9c9f25b8 | 1501 | IO *const io = GvIO(gv); |
46fc3d4c | 1502 | |
9c9f25b8 | 1503 | if (io) { |
a5e1d062 | 1504 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d AL |
1505 | if (mg) { |
1506 | if (MARK == ORIGMARK) { | |
1507 | MEXTEND(SP, 1); | |
1508 | ++MARK; | |
1509 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1510 | ++SP; | |
1511 | } | |
d682515d NC |
1512 | return Perl_tied_method(aTHX_ "PRINTF", mark - 1, MUTABLE_SV(io), |
1513 | mg, | |
1514 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, | |
1515 | sp - mark); | |
a79db61d | 1516 | } |
46fc3d4c | 1517 | } |
1518 | ||
561b68a9 | 1519 | sv = newSV(0); |
9c9f25b8 | 1520 | if (!io) { |
51087808 | 1521 | report_evil_fh(gv); |
93189314 | 1522 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
1523 | goto just_say_no; |
1524 | } | |
1525 | else if (!(fp = IoOFP(io))) { | |
7716c5c5 NC |
1526 | if (IoIFP(io)) |
1527 | report_wrongway_fh(gv, '<'); | |
1528 | else if (ckWARN(WARN_CLOSED)) | |
1529 | report_evil_fh(gv); | |
93189314 | 1530 | SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI); |
a0d0e21e LW |
1531 | goto just_say_no; |
1532 | } | |
1533 | else { | |
1534 | do_sprintf(sv, SP - MARK, MARK + 1); | |
1535 | if (!do_print(sv, fp)) | |
1536 | goto just_say_no; | |
1537 | ||
1538 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1539 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1540 | goto just_say_no; |
1541 | } | |
1542 | SvREFCNT_dec(sv); | |
1543 | SP = ORIGMARK; | |
3280af22 | 1544 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1545 | RETURN; |
1546 | ||
1547 | just_say_no: | |
1548 | SvREFCNT_dec(sv); | |
1549 | SP = ORIGMARK; | |
3280af22 | 1550 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1551 | RETURN; |
1552 | } | |
1553 | ||
c07a80fd | 1554 | PP(pp_sysopen) |
1555 | { | |
97aff369 | 1556 | dVAR; |
39644a26 | 1557 | dSP; |
1df70142 AL |
1558 | const int perm = (MAXARG > 3) ? POPi : 0666; |
1559 | const int mode = POPi; | |
1b6737cc | 1560 | SV * const sv = POPs; |
159b6efe | 1561 | GV * const gv = MUTABLE_GV(POPs); |
1b6737cc | 1562 | STRLEN len; |
c07a80fd | 1563 | |
4592e6ca | 1564 | /* Need TIEHANDLE method ? */ |
1b6737cc | 1565 | const char * const tmps = SvPV_const(sv, len); |
e62f0680 | 1566 | /* FIXME? do_open should do const */ |
4608196e | 1567 | if (do_open(gv, tmps, len, TRUE, mode, perm, NULL)) { |
c07a80fd | 1568 | IoLINES(GvIOp(gv)) = 0; |
3280af22 | 1569 | PUSHs(&PL_sv_yes); |
c07a80fd | 1570 | } |
1571 | else { | |
3280af22 | 1572 | PUSHs(&PL_sv_undef); |
c07a80fd | 1573 | } |
1574 | RETURN; | |
1575 | } | |
1576 | ||
a0d0e21e LW |
1577 | PP(pp_sysread) |
1578 | { | |
27da23d5 | 1579 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e | 1580 | int offset; |
a0d0e21e LW |
1581 | IO *io; |
1582 | char *buffer; | |
5b54f415 | 1583 | SSize_t length; |
eb5c063a | 1584 | SSize_t count; |
1e422769 | 1585 | Sock_size_t bufsize; |
748a9306 | 1586 | SV *bufsv; |
a0d0e21e | 1587 | STRLEN blen; |
eb5c063a | 1588 | int fp_utf8; |
1dd30107 NC |
1589 | int buffer_utf8; |
1590 | SV *read_target; | |
eb5c063a NIS |
1591 | Size_t got = 0; |
1592 | Size_t wanted; | |
1d636c13 | 1593 | bool charstart = FALSE; |
87330c3c JH |
1594 | STRLEN charskip = 0; |
1595 | STRLEN skip = 0; | |
a0d0e21e | 1596 | |
159b6efe | 1597 | GV * const gv = MUTABLE_GV(*++MARK); |
5b468f54 | 1598 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1b6737cc | 1599 | && gv && (io = GvIO(gv)) ) |
137443ea | 1600 | { |
a5e1d062 | 1601 | const MAGIC *const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
1b6737cc | 1602 | if (mg) { |
d682515d NC |
1603 | return Perl_tied_method(aTHX_ "READ", mark - 1, MUTABLE_SV(io), mg, |
1604 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, | |
1605 | sp - mark); | |
1b6737cc | 1606 | } |
2ae324a7 | 1607 | } |
1608 | ||
a0d0e21e LW |
1609 | if (!gv) |
1610 | goto say_undef; | |
748a9306 | 1611 | bufsv = *++MARK; |
ff68c719 | 1612 | if (! SvOK(bufsv)) |
76f68e9b | 1613 | sv_setpvs(bufsv, ""); |
a0d0e21e | 1614 | length = SvIVx(*++MARK); |
748a9306 | 1615 | SETERRNO(0,0); |
a0d0e21e LW |
1616 | if (MARK < SP) |
1617 | offset = SvIVx(*++MARK); | |
1618 | else | |
1619 | offset = 0; | |
1620 | io = GvIO(gv); | |
b5fe5ca2 | 1621 | if (!io || !IoIFP(io)) { |
51087808 | 1622 | report_evil_fh(gv); |
b5fe5ca2 | 1623 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1624 | goto say_undef; |
b5fe5ca2 | 1625 | } |
0064a8a9 | 1626 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1627 | buffer = SvPVutf8_force(bufsv, blen); |
1e54db1a | 1628 | /* UTF-8 may not have been set if they are all low bytes */ |
eb5c063a | 1629 | SvUTF8_on(bufsv); |
9b9d7ce8 | 1630 | buffer_utf8 = 0; |
7d59b7e4 NIS |
1631 | } |
1632 | else { | |
1633 | buffer = SvPV_force(bufsv, blen); | |
1dd30107 | 1634 | buffer_utf8 = !IN_BYTES && SvUTF8(bufsv); |
7d59b7e4 NIS |
1635 | } |
1636 | if (length < 0) | |
1637 | DIE(aTHX_ "Negative length"); | |
eb5c063a | 1638 | wanted = length; |
7d59b7e4 | 1639 | |
d0965105 JH |
1640 | charstart = TRUE; |
1641 | charskip = 0; | |
87330c3c | 1642 | skip = 0; |
d0965105 | 1643 | |
a0d0e21e | 1644 | #ifdef HAS_SOCKET |
533c011a | 1645 | if (PL_op->op_type == OP_RECV) { |
46fc3d4c | 1646 | char namebuf[MAXPATHLEN]; |
17a8c7ba | 1647 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) |
490ab354 JH |
1648 | bufsize = sizeof (struct sockaddr_in); |
1649 | #else | |
46fc3d4c | 1650 | bufsize = sizeof namebuf; |
490ab354 | 1651 | #endif |
abf95952 IZ |
1652 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1653 | if (bufsize >= 256) | |
1654 | bufsize = 255; | |
1655 | #endif | |
eb160463 | 1656 | buffer = SvGROW(bufsv, (STRLEN)(length+1)); |
bbce6d69 | 1657 | /* 'offset' means 'flags' here */ |
eb5c063a | 1658 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset, |
10edeb5d | 1659 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1660 | if (count < 0) |
a0d0e21e | 1661 | RETPUSHUNDEF; |
8eb023a9 DM |
1662 | /* MSG_TRUNC can give oversized count; quietly lose it */ |
1663 | if (count > length) | |
1664 | count = length; | |
4107cc59 OF |
1665 | #ifdef EPOC |
1666 | /* Bogus return without padding */ | |
1667 | bufsize = sizeof (struct sockaddr_in); | |
1668 | #endif | |
eb5c063a | 1669 | SvCUR_set(bufsv, count); |
748a9306 LW |
1670 | *SvEND(bufsv) = '\0'; |
1671 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1672 | if (fp_utf8) |
1673 | SvUTF8_on(bufsv); | |
748a9306 | 1674 | SvSETMAGIC(bufsv); |
aac0dd9a | 1675 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1676 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1677 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1678 | SP = ORIGMARK; |
46fc3d4c | 1679 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1680 | PUSHs(TARG); |
1681 | RETURN; | |
1682 | } | |
a0d0e21e | 1683 | #endif |
eb5c063a NIS |
1684 | if (DO_UTF8(bufsv)) { |
1685 | /* offset adjust in characters not bytes */ | |
1686 | blen = sv_len_utf8(bufsv); | |
7d59b7e4 | 1687 | } |
bbce6d69 | 1688 | if (offset < 0) { |
eb160463 | 1689 | if (-offset > (int)blen) |
cea2e8a9 | 1690 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1691 | offset += blen; |
1692 | } | |
eb5c063a NIS |
1693 | if (DO_UTF8(bufsv)) { |
1694 | /* convert offset-as-chars to offset-as-bytes */ | |
6960c29a CH |
1695 | if (offset >= (int)blen) |
1696 | offset += SvCUR(bufsv) - blen; | |
1697 | else | |
1698 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
eb5c063a NIS |
1699 | } |
1700 | more_bytes: | |
cd52b7b2 | 1701 | bufsize = SvCUR(bufsv); |
1dd30107 NC |
1702 | /* Allocating length + offset + 1 isn't perfect in the case of reading |
1703 | bytes from a byte file handle into a UTF8 buffer, but it won't harm us | |
1704 | unduly. | |
1705 | (should be 2 * length + offset + 1, or possibly something longer if | |
1706 | PL_encoding is true) */ | |
eb160463 | 1707 | buffer = SvGROW(bufsv, (STRLEN)(length+offset+1)); |
27da23d5 | 1708 | if (offset > 0 && (Sock_size_t)offset > bufsize) { /* Zero any newly allocated space */ |
cd52b7b2 | 1709 | Zero(buffer+bufsize, offset-bufsize, char); |
1710 | } | |
eb5c063a | 1711 | buffer = buffer + offset; |
1dd30107 NC |
1712 | if (!buffer_utf8) { |
1713 | read_target = bufsv; | |
1714 | } else { | |
1715 | /* Best to read the bytes into a new SV, upgrade that to UTF8, then | |
1716 | concatenate it to the current buffer. */ | |
1717 | ||
1718 | /* Truncate the existing buffer to the start of where we will be | |
1719 | reading to: */ | |
1720 | SvCUR_set(bufsv, offset); | |
1721 | ||
1722 | read_target = sv_newmortal(); | |
862a34c6 | 1723 | SvUPGRADE(read_target, SVt_PV); |
fe2774ed | 1724 | buffer = SvGROW(read_target, (STRLEN)(length + 1)); |
1dd30107 | 1725 | } |
eb5c063a | 1726 | |
533c011a | 1727 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1728 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1729 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
eb5c063a NIS |
1730 | count = PerlSock_recv(PerlIO_fileno(IoIFP(io)), |
1731 | buffer, length, 0); | |
a7092146 GS |
1732 | } |
1733 | else | |
1734 | #endif | |
1735 | { | |
eb5c063a NIS |
1736 | count = PerlLIO_read(PerlIO_fileno(IoIFP(io)), |
1737 | buffer, length); | |
a7092146 | 1738 | } |
a0d0e21e LW |
1739 | } |
1740 | else | |
1741 | #ifdef HAS_SOCKET__bad_code_maybe | |
50952442 | 1742 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
46fc3d4c | 1743 | char namebuf[MAXPATHLEN]; |
490ab354 JH |
1744 | #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS) |
1745 | bufsize = sizeof (struct sockaddr_in); | |
1746 | #else | |
46fc3d4c | 1747 | bufsize = sizeof namebuf; |
490ab354 | 1748 | #endif |
eb5c063a | 1749 | count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0, |
46fc3d4c | 1750 | (struct sockaddr *)namebuf, &bufsize); |
a0d0e21e LW |
1751 | } |
1752 | else | |
1753 | #endif | |
3b02c43c | 1754 | { |
eb5c063a NIS |
1755 | count = PerlIO_read(IoIFP(io), buffer, length); |
1756 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1757 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1758 | count = -1; | |
3b02c43c | 1759 | } |
eb5c063a | 1760 | if (count < 0) { |
7716c5c5 | 1761 | if (IoTYPE(io) == IoTYPE_WRONLY) |
a5390457 | 1762 | report_wrongway_fh(gv, '>'); |
a0d0e21e | 1763 | goto say_undef; |
af8c498a | 1764 | } |
aa07b2f6 | 1765 | SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target))); |
1dd30107 NC |
1766 | *SvEND(read_target) = '\0'; |
1767 | (void)SvPOK_only(read_target); | |
0064a8a9 | 1768 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a | 1769 | /* Look at utf8 we got back and count the characters */ |
1df70142 | 1770 | const char *bend = buffer + count; |
eb5c063a | 1771 | while (buffer < bend) { |
d0965105 JH |
1772 | if (charstart) { |
1773 | skip = UTF8SKIP(buffer); | |
1774 | charskip = 0; | |
1775 | } | |
1776 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1777 | /* partial character - try for rest of it */ |
1778 | length = skip - (bend-buffer); | |
aa07b2f6 | 1779 | offset = bend - SvPVX_const(bufsv); |
d0965105 JH |
1780 | charstart = FALSE; |
1781 | charskip += count; | |
eb5c063a NIS |
1782 | goto more_bytes; |
1783 | } | |
1784 | else { | |
1785 | got++; | |
1786 | buffer += skip; | |
d0965105 JH |
1787 | charstart = TRUE; |
1788 | charskip = 0; | |
eb5c063a NIS |
1789 | } |
1790 | } | |
1791 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1792 | provided amount read (count) was what was requested (length) | |
1793 | */ | |
1794 | if (got < wanted && count == length) { | |
d0965105 | 1795 | length = wanted - got; |
aa07b2f6 | 1796 | offset = bend - SvPVX_const(bufsv); |
eb5c063a NIS |
1797 | goto more_bytes; |
1798 | } | |
1799 | /* return value is character count */ | |
1800 | count = got; | |
1801 | SvUTF8_on(bufsv); | |
1802 | } | |
1dd30107 NC |
1803 | else if (buffer_utf8) { |
1804 | /* Let svcatsv upgrade the bytes we read in to utf8. | |
1805 | The buffer is a mortal so will be freed soon. */ | |
1806 | sv_catsv_nomg(bufsv, read_target); | |
1807 | } | |
748a9306 | 1808 | SvSETMAGIC(bufsv); |
aac0dd9a | 1809 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1810 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1811 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1812 | SP = ORIGMARK; |
eb5c063a | 1813 | PUSHi(count); |
a0d0e21e LW |
1814 | RETURN; |
1815 | ||
1816 | say_undef: | |
1817 | SP = ORIGMARK; | |
1818 | RETPUSHUNDEF; | |
1819 | } | |
1820 | ||
60504e18 | 1821 | PP(pp_syswrite) |
a0d0e21e | 1822 | { |
27da23d5 | 1823 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
748a9306 | 1824 | SV *bufsv; |
83003860 | 1825 | const char *buffer; |
8c99d73e | 1826 | SSize_t retval; |
a0d0e21e | 1827 | STRLEN blen; |
c9cb0f41 | 1828 | STRLEN orig_blen_bytes; |
64a1bc8e | 1829 | const int op_type = PL_op->op_type; |
c9cb0f41 NC |
1830 | bool doing_utf8; |
1831 | U8 *tmpbuf = NULL; | |
159b6efe | 1832 | GV *const gv = MUTABLE_GV(*++MARK); |
91472ad4 NC |
1833 | IO *const io = GvIO(gv); |
1834 | ||
1835 | if (op_type == OP_SYSWRITE && io) { | |
a5e1d062 | 1836 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 1837 | if (mg) { |
a79db61d | 1838 | if (MARK == SP - 1) { |
c8834ab7 TC |
1839 | SV *sv = *SP; |
1840 | mXPUSHi(sv_len(sv)); | |
a79db61d AL |
1841 | PUTBACK; |
1842 | } | |
1843 | ||
d682515d NC |
1844 | return Perl_tied_method(aTHX_ "WRITE", mark - 1, MUTABLE_SV(io), mg, |
1845 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, | |
1846 | sp - mark); | |
64a1bc8e | 1847 | } |
1d603a67 | 1848 | } |
a0d0e21e LW |
1849 | if (!gv) |
1850 | goto say_undef; | |
64a1bc8e | 1851 | |
748a9306 | 1852 | bufsv = *++MARK; |
64a1bc8e | 1853 | |
748a9306 | 1854 | SETERRNO(0,0); |
cf167416 | 1855 | if (!io || !IoIFP(io) || IoTYPE(io) == IoTYPE_RDONLY) { |
8c99d73e | 1856 | retval = -1; |
51087808 NC |
1857 | if (io && IoIFP(io)) |
1858 | report_wrongway_fh(gv, '<'); | |
1859 | else | |
1860 | report_evil_fh(gv); | |
b5fe5ca2 | 1861 | SETERRNO(EBADF,RMS_IFI); |
7d59b7e4 NIS |
1862 | goto say_undef; |
1863 | } | |
1864 | ||
c9cb0f41 NC |
1865 | /* Do this first to trigger any overloading. */ |
1866 | buffer = SvPV_const(bufsv, blen); | |
1867 | orig_blen_bytes = blen; | |
1868 | doing_utf8 = DO_UTF8(bufsv); | |
1869 | ||
7d59b7e4 | 1870 | if (PerlIO_isutf8(IoIFP(io))) { |
6aa2f6a7 | 1871 | if (!SvUTF8(bufsv)) { |
c9cb0f41 NC |
1872 | /* We don't modify the original scalar. */ |
1873 | tmpbuf = bytes_to_utf8((const U8*) buffer, &blen); | |
1874 | buffer = (char *) tmpbuf; | |
1875 | doing_utf8 = TRUE; | |
1876 | } | |
a0d0e21e | 1877 | } |
c9cb0f41 NC |
1878 | else if (doing_utf8) { |
1879 | STRLEN tmplen = blen; | |
a79db61d | 1880 | U8 * const result = bytes_from_utf8((const U8*) buffer, &tmplen, &doing_utf8); |
c9cb0f41 NC |
1881 | if (!doing_utf8) { |
1882 | tmpbuf = result; | |
1883 | buffer = (char *) tmpbuf; | |
1884 | blen = tmplen; | |
1885 | } | |
1886 | else { | |
1887 | assert((char *)result == buffer); | |
1888 | Perl_croak(aTHX_ "Wide character in %s", OP_DESC(PL_op)); | |
1889 | } | |
7d59b7e4 NIS |
1890 | } |
1891 | ||
e2712234 | 1892 | #ifdef HAS_SOCKET |
7627e6d0 | 1893 | if (op_type == OP_SEND) { |
e2712234 NC |
1894 | const int flags = SvIVx(*++MARK); |
1895 | if (SP > MARK) { | |
1896 | STRLEN mlen; | |
1897 | char * const sockbuf = SvPVx(*++MARK, mlen); | |
1898 | retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, | |
1899 | flags, (struct sockaddr *)sockbuf, mlen); | |
1900 | } | |
1901 | else { | |
1902 | retval | |
1903 | = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags); | |
1904 | } | |
7627e6d0 NC |
1905 | } |
1906 | else | |
e2712234 | 1907 | #endif |
7627e6d0 | 1908 | { |
c9cb0f41 NC |
1909 | Size_t length = 0; /* This length is in characters. */ |
1910 | STRLEN blen_chars; | |
7d59b7e4 | 1911 | IV offset; |
c9cb0f41 NC |
1912 | |
1913 | if (doing_utf8) { | |
1914 | if (tmpbuf) { | |
1915 | /* The SV is bytes, and we've had to upgrade it. */ | |
1916 | blen_chars = orig_blen_bytes; | |
1917 | } else { | |
1918 | /* The SV really is UTF-8. */ | |
1919 | if (SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
1920 | /* Don't call sv_len_utf8 again because it will call magic | |
1921 | or overloading a second time, and we might get back a | |
1922 | different result. */ | |
9a206dfd | 1923 | blen_chars = utf8_length((U8*)buffer, (U8*)buffer + blen); |
c9cb0f41 NC |
1924 | } else { |
1925 | /* It's safe, and it may well be cached. */ | |
1926 | blen_chars = sv_len_utf8(bufsv); | |
1927 | } | |
1928 | } | |
1929 | } else { | |
1930 | blen_chars = blen; | |
1931 | } | |
1932 | ||
1933 | if (MARK >= SP) { | |
1934 | length = blen_chars; | |
1935 | } else { | |
1936 | #if Size_t_size > IVSIZE | |
1937 | length = (Size_t)SvNVx(*++MARK); | |
1938 | #else | |
1939 | length = (Size_t)SvIVx(*++MARK); | |
1940 | #endif | |
4b0c4b6f NC |
1941 | if ((SSize_t)length < 0) { |
1942 | Safefree(tmpbuf); | |
c9cb0f41 | 1943 | DIE(aTHX_ "Negative length"); |
4b0c4b6f | 1944 | } |
7d59b7e4 | 1945 | } |
c9cb0f41 | 1946 | |
bbce6d69 | 1947 | if (MARK < SP) { |
a0d0e21e | 1948 | offset = SvIVx(*++MARK); |
bbce6d69 | 1949 | if (offset < 0) { |
4b0c4b6f NC |
1950 | if (-offset > (IV)blen_chars) { |
1951 | Safefree(tmpbuf); | |
cea2e8a9 | 1952 | DIE(aTHX_ "Offset outside string"); |
4b0c4b6f | 1953 | } |
c9cb0f41 | 1954 | offset += blen_chars; |
3c946528 | 1955 | } else if (offset > (IV)blen_chars) { |
4b0c4b6f | 1956 | Safefree(tmpbuf); |
cea2e8a9 | 1957 | DIE(aTHX_ "Offset outside string"); |
4b0c4b6f | 1958 | } |
bbce6d69 | 1959 | } else |
a0d0e21e | 1960 | offset = 0; |
c9cb0f41 NC |
1961 | if (length > blen_chars - offset) |
1962 | length = blen_chars - offset; | |
1963 | if (doing_utf8) { | |
1964 | /* Here we convert length from characters to bytes. */ | |
1965 | if (tmpbuf || SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
1966 | /* Either we had to convert the SV, or the SV is magical, or | |
1967 | the SV has overloading, in which case we can't or mustn't | |
1968 | or mustn't call it again. */ | |
1969 | ||
1970 | buffer = (const char*)utf8_hop((const U8 *)buffer, offset); | |
1971 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; | |
1972 | } else { | |
1973 | /* It's a real UTF-8 SV, and it's not going to change under | |
1974 | us. Take advantage of any cache. */ | |
1975 | I32 start = offset; | |
1976 | I32 len_I32 = length; | |
1977 | ||
1978 | /* Convert the start and end character positions to bytes. | |
1979 | Remember that the second argument to sv_pos_u2b is relative | |
1980 | to the first. */ | |
1981 | sv_pos_u2b(bufsv, &start, &len_I32); | |
1982 | ||
1983 | buffer += start; | |
1984 | length = len_I32; | |
1985 | } | |
7d59b7e4 NIS |
1986 | } |
1987 | else { | |
1988 | buffer = buffer+offset; | |
1989 | } | |
a7092146 | 1990 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 1991 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
8c99d73e | 1992 | retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 1993 | buffer, length, 0); |
a7092146 GS |
1994 | } |
1995 | else | |
1996 | #endif | |
1997 | { | |
94e4c244 | 1998 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
8c99d73e | 1999 | retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)), |
7d59b7e4 | 2000 | buffer, length); |
a7092146 | 2001 | } |
a0d0e21e | 2002 | } |
c9cb0f41 | 2003 | |
8c99d73e | 2004 | if (retval < 0) |
a0d0e21e LW |
2005 | goto say_undef; |
2006 | SP = ORIGMARK; | |
c9cb0f41 | 2007 | if (doing_utf8) |
f36eea10 | 2008 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); |
4b0c4b6f | 2009 | |
a79db61d | 2010 | Safefree(tmpbuf); |
8c99d73e GS |
2011 | #if Size_t_size > IVSIZE |
2012 | PUSHn(retval); | |
2013 | #else | |
2014 | PUSHi(retval); | |
2015 | #endif | |
a0d0e21e LW |
2016 | RETURN; |
2017 | ||
2018 | say_undef: | |
a79db61d | 2019 | Safefree(tmpbuf); |
a0d0e21e LW |
2020 | SP = ORIGMARK; |
2021 | RETPUSHUNDEF; | |
2022 | } | |
2023 | ||
a0d0e21e LW |
2024 | PP(pp_eof) |
2025 | { | |
27da23d5 | 2026 | dVAR; dSP; |
a0d0e21e | 2027 | GV *gv; |
32e65323 | 2028 | IO *io; |
a5e1d062 | 2029 | const MAGIC *mg; |
bc0c81ca NC |
2030 | /* |
2031 | * in Perl 5.12 and later, the additional parameter is a bitmask: | |
2032 | * 0 = eof | |
2033 | * 1 = eof(FH) | |
2034 | * 2 = eof() <- ARGV magic | |
2035 | * | |
2036 | * I'll rely on the compiler's trace flow analysis to decide whether to | |
2037 | * actually assign this out here, or punt it into the only block where it is | |
2038 | * used. Doing it out here is DRY on the condition logic. | |
2039 | */ | |
2040 | unsigned int which; | |
a0d0e21e | 2041 | |
bc0c81ca | 2042 | if (MAXARG) { |
32e65323 | 2043 | gv = PL_last_in_gv = MUTABLE_GV(POPs); /* eof(FH) */ |
bc0c81ca NC |
2044 | which = 1; |
2045 | } | |
b5f55170 NC |
2046 | else { |
2047 | EXTEND(SP, 1); | |
2048 | ||
bc0c81ca | 2049 | if (PL_op->op_flags & OPf_SPECIAL) { |
b5f55170 | 2050 | gv = PL_last_in_gv = GvEGVx(PL_argvgv); /* eof() - ARGV magic */ |
bc0c81ca NC |
2051 | which = 2; |
2052 | } | |
2053 | else { | |
b5f55170 | 2054 | gv = PL_last_in_gv; /* eof */ |
bc0c81ca NC |
2055 | which = 0; |
2056 | } | |
b5f55170 | 2057 | } |
32e65323 CS |
2058 | |
2059 | if (!gv) | |
2060 | RETPUSHNO; | |
2061 | ||
2062 | if ((io = GvIO(gv)) && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) { | |
d682515d | 2063 | return tied_method1("EOF", SP, MUTABLE_SV(io), mg, newSVuv(which)); |
146174a9 | 2064 | } |
4592e6ca | 2065 | |
32e65323 CS |
2066 | if (!MAXARG && (PL_op->op_flags & OPf_SPECIAL)) { /* eof() */ |
2067 | if (io && !IoIFP(io)) { | |
2068 | if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) { | |
2069 | IoLINES(io) = 0; | |
2070 | IoFLAGS(io) &= ~IOf_START; | |
2071 | do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL); | |
2072 | if (GvSV(gv)) | |
2073 | sv_setpvs(GvSV(gv), "-"); | |
2074 | else | |
2075 | GvSV(gv) = newSVpvs("-"); | |
2076 | SvSETMAGIC(GvSV(gv)); | |
2077 | } | |
2078 | else if (!nextargv(gv)) | |
2079 | RETPUSHYES; | |
6136c704 | 2080 | } |
4592e6ca NIS |
2081 | } |
2082 | ||
32e65323 | 2083 | PUSHs(boolSV(do_eof(gv))); |
a0d0e21e LW |
2084 | RETURN; |
2085 | } | |
2086 | ||
2087 | PP(pp_tell) | |
2088 | { | |
27da23d5 | 2089 | dVAR; dSP; dTARGET; |
301e8125 | 2090 | GV *gv; |
5b468f54 | 2091 | IO *io; |
a0d0e21e | 2092 | |
c4420975 | 2093 | if (MAXARG != 0) |
159b6efe | 2094 | PL_last_in_gv = MUTABLE_GV(POPs); |
ac3697cd NC |
2095 | else |
2096 | EXTEND(SP, 1); | |
c4420975 | 2097 | gv = PL_last_in_gv; |
4592e6ca | 2098 | |
9c9f25b8 NC |
2099 | io = GvIO(gv); |
2100 | if (io) { | |
a5e1d062 | 2101 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 2102 | if (mg) { |
d682515d | 2103 | return tied_method0("TELL", SP, MUTABLE_SV(io), mg); |
a79db61d | 2104 | } |
4592e6ca | 2105 | } |
f4817f32 | 2106 | else if (!gv) { |
f03173f2 RGS |
2107 | if (!errno) |
2108 | SETERRNO(EBADF,RMS_IFI); | |
2109 | PUSHi(-1); | |
2110 | RETURN; | |
2111 | } | |
4592e6ca | 2112 | |
146174a9 CB |
2113 | #if LSEEKSIZE > IVSIZE |
2114 | PUSHn( do_tell(gv) ); | |
2115 | #else | |
a0d0e21e | 2116 | PUSHi( do_tell(gv) ); |
146174a9 | 2117 | #endif |
a0d0e21e LW |
2118 | RETURN; |
2119 | } | |
2120 | ||
137443ea | 2121 | PP(pp_sysseek) |
2122 | { | |
27da23d5 | 2123 | dVAR; dSP; |
1df70142 | 2124 | const int whence = POPi; |
146174a9 | 2125 | #if LSEEKSIZE > IVSIZE |
7452cf6a | 2126 | const Off_t offset = (Off_t)SvNVx(POPs); |
146174a9 | 2127 | #else |
7452cf6a | 2128 | const Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 2129 | #endif |
a0d0e21e | 2130 | |
159b6efe | 2131 | GV * const gv = PL_last_in_gv = MUTABLE_GV(POPs); |
9c9f25b8 | 2132 | IO *const io = GvIO(gv); |
4592e6ca | 2133 | |
9c9f25b8 | 2134 | if (io) { |
a5e1d062 | 2135 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 2136 | if (mg) { |
cb50131a | 2137 | #if LSEEKSIZE > IVSIZE |
74f0b550 | 2138 | SV *const offset_sv = newSVnv((NV) offset); |
cb50131a | 2139 | #else |
74f0b550 | 2140 | SV *const offset_sv = newSViv(offset); |
cb50131a | 2141 | #endif |
bc0c81ca | 2142 | |
d682515d NC |
2143 | return tied_method2("SEEK", SP, MUTABLE_SV(io), mg, offset_sv, |
2144 | newSViv(whence)); | |
a79db61d | 2145 | } |
4592e6ca NIS |
2146 | } |
2147 | ||
533c011a | 2148 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2149 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2150 | else { | |
0bcc34c2 | 2151 | const Off_t sought = do_sysseek(gv, offset, whence); |
b448e4fe | 2152 | if (sought < 0) |
146174a9 CB |
2153 | PUSHs(&PL_sv_undef); |
2154 | else { | |
7452cf6a | 2155 | SV* const sv = sought ? |
146174a9 | 2156 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2157 | newSVnv((NV)sought) |
146174a9 | 2158 | #else |
b448e4fe | 2159 | newSViv(sought) |
146174a9 CB |
2160 | #endif |
2161 | : newSVpvn(zero_but_true, ZBTLEN); | |
6e449a3a | 2162 | mPUSHs(sv); |
146174a9 | 2163 | } |
8903cb82 | 2164 | } |
a0d0e21e LW |
2165 | RETURN; |
2166 | } | |
2167 | ||
2168 | PP(pp_truncate) | |
2169 | { | |
97aff369 | 2170 | dVAR; |
39644a26 | 2171 | dSP; |
8c99d73e GS |
2172 | /* There seems to be no consensus on the length type of truncate() |
2173 | * and ftruncate(), both off_t and size_t have supporters. In | |
2174 | * general one would think that when using large files, off_t is | |
2175 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2176 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
0bcc34c2 | 2177 | Off_t len; |
a0d0e21e | 2178 | |
25342a55 | 2179 | #if Off_t_size > IVSIZE |
0bcc34c2 | 2180 | len = (Off_t)POPn; |
8c99d73e | 2181 | #else |
0bcc34c2 | 2182 | len = (Off_t)POPi; |
8c99d73e GS |
2183 | #endif |
2184 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2185 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2186 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2187 | SETERRNO(0,0); |
d05c1ba0 | 2188 | { |
d05c1ba0 JH |
2189 | int result = 1; |
2190 | GV *tmpgv; | |
090bf15b SR |
2191 | IO *io; |
2192 | ||
d05c1ba0 | 2193 | if (PL_op->op_flags & OPf_SPECIAL) { |
f776e3cd | 2194 | tmpgv = gv_fetchsv(POPs, 0, SVt_PVIO); |
d05c1ba0 | 2195 | |
090bf15b | 2196 | do_ftruncate_gv: |
9c9f25b8 NC |
2197 | io = GvIO(tmpgv); |
2198 | if (!io) | |
090bf15b | 2199 | result = 0; |
d05c1ba0 | 2200 | else { |
090bf15b | 2201 | PerlIO *fp; |
090bf15b SR |
2202 | do_ftruncate_io: |
2203 | TAINT_PROPER("truncate"); | |
2204 | if (!(fp = IoIFP(io))) { | |
2205 | result = 0; | |
2206 | } | |
2207 | else { | |
2208 | PerlIO_flush(fp); | |
cbdc8872 | 2209 | #ifdef HAS_TRUNCATE |
090bf15b | 2210 | if (ftruncate(PerlIO_fileno(fp), len) < 0) |
301e8125 | 2211 | #else |
090bf15b | 2212 | if (my_chsize(PerlIO_fileno(fp), len) < 0) |
cbdc8872 | 2213 | #endif |
090bf15b SR |
2214 | result = 0; |
2215 | } | |
d05c1ba0 | 2216 | } |
cbdc8872 | 2217 | } |
d05c1ba0 | 2218 | else { |
7452cf6a | 2219 | SV * const sv = POPs; |
83003860 | 2220 | const char *name; |
7a5fd60d | 2221 | |
6e592b3a | 2222 | if (isGV_with_GP(sv)) { |
159b6efe | 2223 | tmpgv = MUTABLE_GV(sv); /* *main::FRED for example */ |
090bf15b | 2224 | goto do_ftruncate_gv; |
d05c1ba0 | 2225 | } |
6e592b3a | 2226 | else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) { |
159b6efe | 2227 | tmpgv = MUTABLE_GV(SvRV(sv)); /* \*main::FRED for example */ |
090bf15b SR |
2228 | goto do_ftruncate_gv; |
2229 | } | |
2230 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
a45c7426 | 2231 | io = MUTABLE_IO(SvRV(sv)); /* *main::FRED{IO} for example */ |
090bf15b | 2232 | goto do_ftruncate_io; |
d05c1ba0 | 2233 | } |
1e422769 | 2234 | |
83003860 | 2235 | name = SvPV_nolen_const(sv); |
d05c1ba0 | 2236 | TAINT_PROPER("truncate"); |
cbdc8872 | 2237 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2238 | if (truncate(name, len) < 0) |
2239 | result = 0; | |
cbdc8872 | 2240 | #else |
d05c1ba0 | 2241 | { |
7452cf6a | 2242 | const int tmpfd = PerlLIO_open(name, O_RDWR); |
d05c1ba0 | 2243 | |
7452cf6a | 2244 | if (tmpfd < 0) |
cbdc8872 | 2245 | result = 0; |
d05c1ba0 JH |
2246 | else { |
2247 | if (my_chsize(tmpfd, len) < 0) | |
2248 | result = 0; | |
2249 | PerlLIO_close(tmpfd); | |
2250 | } | |
cbdc8872 | 2251 | } |
a0d0e21e | 2252 | #endif |
d05c1ba0 | 2253 | } |
a0d0e21e | 2254 | |
d05c1ba0 JH |
2255 | if (result) |
2256 | RETPUSHYES; | |
2257 | if (!errno) | |
93189314 | 2258 | SETERRNO(EBADF,RMS_IFI); |
d05c1ba0 JH |
2259 | RETPUSHUNDEF; |
2260 | } | |
a0d0e21e LW |
2261 | } |
2262 | ||
a0d0e21e LW |
2263 | PP(pp_ioctl) |
2264 | { | |
97aff369 | 2265 | dVAR; dSP; dTARGET; |
7452cf6a | 2266 | SV * const argsv = POPs; |
1df70142 | 2267 | const unsigned int func = POPu; |
e1ec3a88 | 2268 | const int optype = PL_op->op_type; |
159b6efe | 2269 | GV * const gv = MUTABLE_GV(POPs); |
4608196e | 2270 | IO * const io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2271 | char *s; |
324aa91a | 2272 | IV retval; |
a0d0e21e | 2273 | |
748a9306 | 2274 | if (!io || !argsv || !IoIFP(io)) { |
51087808 | 2275 | report_evil_fh(gv); |
93189314 | 2276 | SETERRNO(EBADF,RMS_IFI); /* well, sort of... */ |
a0d0e21e LW |
2277 | RETPUSHUNDEF; |
2278 | } | |
2279 | ||
748a9306 | 2280 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2281 | STRLEN len; |
324aa91a | 2282 | STRLEN need; |
748a9306 | 2283 | s = SvPV_force(argsv, len); |
324aa91a HF |
2284 | need = IOCPARM_LEN(func); |
2285 | if (len < need) { | |
2286 | s = Sv_Grow(argsv, need + 1); | |
2287 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2288 | } |
2289 | ||
748a9306 | 2290 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2291 | } |
2292 | else { | |
748a9306 | 2293 | retval = SvIV(argsv); |
c529f79d | 2294 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2295 | } |
2296 | ||
ed4b2e6b | 2297 | TAINT_PROPER(PL_op_desc[optype]); |
a0d0e21e LW |
2298 | |
2299 | if (optype == OP_IOCTL) | |
2300 | #ifdef HAS_IOCTL | |
76e3520e | 2301 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2302 | #else |
cea2e8a9 | 2303 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2304 | #endif |
2305 | else | |
c214f4ad WB |
2306 | #ifndef HAS_FCNTL |
2307 | DIE(aTHX_ "fcntl is not implemented"); | |
2308 | #else | |
55497cff | 2309 | #if defined(OS2) && defined(__EMX__) |
760ac839 | 2310 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2311 | #else |
760ac839 | 2312 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2313 | #endif |
6652bd42 | 2314 | #endif |
a0d0e21e | 2315 | |
6652bd42 | 2316 | #if defined(HAS_IOCTL) || defined(HAS_FCNTL) |
748a9306 LW |
2317 | if (SvPOK(argsv)) { |
2318 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2319 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2320 | OP_NAME(PL_op)); |
748a9306 LW |
2321 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2322 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2323 | } |
2324 | ||
2325 | if (retval == -1) | |
2326 | RETPUSHUNDEF; | |
2327 | if (retval != 0) { | |
2328 | PUSHi(retval); | |
2329 | } | |
2330 | else { | |
8903cb82 | 2331 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e | 2332 | } |
4808266b | 2333 | #endif |
c214f4ad | 2334 | RETURN; |
a0d0e21e LW |
2335 | } |
2336 | ||
2337 | PP(pp_flock) | |
2338 | { | |
9cad6237 | 2339 | #ifdef FLOCK |
97aff369 | 2340 | dVAR; dSP; dTARGET; |
a0d0e21e | 2341 | I32 value; |
7452cf6a | 2342 | const int argtype = POPi; |
159b6efe | 2343 | GV * const gv = (MAXARG == 0) ? PL_last_in_gv : MUTABLE_GV(POPs); |
9c9f25b8 NC |
2344 | IO *const io = GvIO(gv); |
2345 | PerlIO *const fp = io ? IoIFP(io) : NULL; | |
16d20bd9 | 2346 | |
0bcc34c2 | 2347 | /* XXX Looks to me like io is always NULL at this point */ |
a0d0e21e | 2348 | if (fp) { |
68dc0745 | 2349 | (void)PerlIO_flush(fp); |
76e3520e | 2350 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2351 | } |
cb50131a | 2352 | else { |
51087808 | 2353 | report_evil_fh(gv); |
a0d0e21e | 2354 | value = 0; |
93189314 | 2355 | SETERRNO(EBADF,RMS_IFI); |
cb50131a | 2356 | } |
a0d0e21e LW |
2357 | PUSHi(value); |
2358 | RETURN; | |
2359 | #else | |
cea2e8a9 | 2360 | DIE(aTHX_ PL_no_func, "flock()"); |
a0d0e21e LW |
2361 | #endif |
2362 | } | |
2363 | ||
2364 | /* Sockets. */ | |
2365 | ||
7627e6d0 NC |
2366 | #ifdef HAS_SOCKET |
2367 | ||
a0d0e21e LW |
2368 | PP(pp_socket) |
2369 | { | |
97aff369 | 2370 | dVAR; dSP; |
7452cf6a AL |
2371 | const int protocol = POPi; |
2372 | const int type = POPi; | |
2373 | const int domain = POPi; | |
159b6efe | 2374 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 2375 | register IO * const io = gv ? GvIOn(gv) : NULL; |
a0d0e21e LW |
2376 | int fd; |
2377 | ||
9c9f25b8 | 2378 | if (!io) { |
51087808 | 2379 | report_evil_fh(gv); |
5ee74a84 | 2380 | if (io && IoIFP(io)) |
c289d2f7 | 2381 | do_close(gv, FALSE); |
93189314 | 2382 | SETERRNO(EBADF,LIB_INVARG); |
a0d0e21e LW |
2383 | RETPUSHUNDEF; |
2384 | } | |
2385 | ||
57171420 BS |
2386 | if (IoIFP(io)) |
2387 | do_close(gv, FALSE); | |
2388 | ||
a0d0e21e | 2389 | TAINT_PROPER("socket"); |
6ad3d225 | 2390 | fd = PerlSock_socket(domain, type, protocol); |
a0d0e21e LW |
2391 | if (fd < 0) |
2392 | RETPUSHUNDEF; | |
460c8493 IZ |
2393 | IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */ |
2394 | IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2395 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2396 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2397 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2398 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2399 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2400 | RETPUSHUNDEF; |
2401 | } | |
8d2a6795 GS |
2402 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2403 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2404 | #endif | |
a0d0e21e | 2405 | |
d5ff79b3 OF |
2406 | #ifdef EPOC |
2407 | setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */ | |
2408 | #endif | |
2409 | ||
a0d0e21e | 2410 | RETPUSHYES; |
a0d0e21e | 2411 | } |
7627e6d0 | 2412 | #endif |
a0d0e21e LW |
2413 | |
2414 | PP(pp_sockpair) | |
2415 | { | |
c95c94b1 | 2416 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
97aff369 | 2417 | dVAR; dSP; |
7452cf6a AL |
2418 | const int protocol = POPi; |
2419 | const int type = POPi; | |
2420 | const int domain = POPi; | |
159b6efe NC |
2421 | GV * const gv2 = MUTABLE_GV(POPs); |
2422 | GV * const gv1 = MUTABLE_GV(POPs); | |
7452cf6a AL |
2423 | register IO * const io1 = gv1 ? GvIOn(gv1) : NULL; |
2424 | register IO * const io2 = gv2 ? GvIOn(gv2) : NULL; | |
a0d0e21e LW |
2425 | int fd[2]; |
2426 | ||
9c9f25b8 NC |
2427 | if (!io1) |
2428 | report_evil_fh(gv1); | |
2429 | if (!io2) | |
2430 | report_evil_fh(gv2); | |
a0d0e21e | 2431 | |
46d2cc54 | 2432 | if (io1 && IoIFP(io1)) |
dc0d0a5f | 2433 | do_close(gv1, FALSE); |
46d2cc54 | 2434 | if (io2 && IoIFP(io2)) |
dc0d0a5f | 2435 | do_close(gv2, FALSE); |
57171420 | 2436 | |
46d2cc54 NC |
2437 | if (!io1 || !io2) |
2438 | RETPUSHUNDEF; | |
2439 | ||
a0d0e21e | 2440 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2441 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2442 | RETPUSHUNDEF; |
460c8493 IZ |
2443 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE); |
2444 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE); | |
50952442 | 2445 | IoTYPE(io1) = IoTYPE_SOCKET; |
460c8493 IZ |
2446 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE); |
2447 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE); | |
50952442 | 2448 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2449 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2450 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2451 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2452 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2453 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2454 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2455 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2456 | RETPUSHUNDEF; |
2457 | } | |
8d2a6795 GS |
2458 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2459 | fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */ | |
2460 | fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */ | |
2461 | #endif | |
a0d0e21e LW |
2462 | |
2463 | RETPUSHYES; | |
2464 | #else | |
cea2e8a9 | 2465 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2466 | #endif |
2467 | } | |
2468 | ||
7627e6d0 NC |
2469 | #ifdef HAS_SOCKET |
2470 | ||
a0d0e21e LW |
2471 | PP(pp_bind) |
2472 | { | |
97aff369 | 2473 | dVAR; dSP; |
7452cf6a | 2474 | SV * const addrsv = POPs; |
349d4f2f NC |
2475 | /* OK, so on what platform does bind modify addr? */ |
2476 | const char *addr; | |
159b6efe | 2477 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 2478 | register IO * const io = GvIOn(gv); |
a0d0e21e | 2479 | STRLEN len; |
32b81f04 | 2480 | const int op_type = PL_op->op_type; |
a0d0e21e LW |
2481 | |
2482 | if (!io || !IoIFP(io)) | |
2483 | goto nuts; | |
2484 | ||
349d4f2f | 2485 | addr = SvPV_const(addrsv, len); |
32b81f04 NC |
2486 | TAINT_PROPER(PL_op_desc[op_type]); |
2487 | if ((op_type == OP_BIND | |
2488 | ? PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) | |
2489 | : PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len)) | |
2490 | >= 0) | |
a0d0e21e LW |
2491 | RETPUSHYES; |
2492 | else | |
2493 | RETPUSHUNDEF; | |
2494 | ||
2495 | nuts: | |
fbcda526 | 2496 | report_evil_fh(gv); |
93189314 | 2497 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2498 | RETPUSHUNDEF; |
a0d0e21e LW |
2499 | } |
2500 | ||
2501 | PP(pp_listen) | |
2502 | { | |
97aff369 | 2503 | dVAR; dSP; |
7452cf6a | 2504 | const int backlog = POPi; |
159b6efe | 2505 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 2506 | register IO * const io = gv ? GvIOn(gv) : NULL; |
a0d0e21e | 2507 | |
9c9f25b8 | 2508 | if (!io || !IoIFP(io)) |
a0d0e21e LW |
2509 | goto nuts; |
2510 | ||
6ad3d225 | 2511 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2512 | RETPUSHYES; |
2513 | else | |
2514 | RETPUSHUNDEF; | |
2515 | ||
2516 | nuts: | |
fbcda526 | 2517 | report_evil_fh(gv); |
93189314 | 2518 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2519 | RETPUSHUNDEF; |
a0d0e21e LW |
2520 | } |
2521 | ||
2522 | PP(pp_accept) | |
2523 | { | |
97aff369 | 2524 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
2525 | register IO *nstio; |
2526 | register IO *gstio; | |
93d47a36 JH |
2527 | char namebuf[MAXPATHLEN]; |
2528 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__) | |
2529 | Sock_size_t len = sizeof (struct sockaddr_in); | |
2530 | #else | |
2531 | Sock_size_t len = sizeof namebuf; | |
2532 | #endif | |
159b6efe NC |
2533 | GV * const ggv = MUTABLE_GV(POPs); |
2534 | GV * const ngv = MUTABLE_GV(POPs); | |
a0d0e21e LW |
2535 | int fd; |
2536 | ||
a0d0e21e LW |
2537 | if (!ngv) |
2538 | goto badexit; | |
2539 | if (!ggv) | |
2540 | goto nuts; | |
2541 | ||
2542 | gstio = GvIO(ggv); | |
2543 | if (!gstio || !IoIFP(gstio)) | |
2544 | goto nuts; | |
2545 | ||
2546 | nstio = GvIOn(ngv); | |
93d47a36 | 2547 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len); |
e294cc5d JH |
2548 | #if defined(OEMVS) |
2549 | if (len == 0) { | |
2550 | /* Some platforms indicate zero length when an AF_UNIX client is | |
2551 | * not bound. Simulate a non-zero-length sockaddr structure in | |
2552 | * this case. */ | |
2553 | namebuf[0] = 0; /* sun_len */ | |
2554 | namebuf[1] = AF_UNIX; /* sun_family */ | |
2555 | len = 2; | |
2556 | } | |
2557 | #endif | |
2558 | ||
a0d0e21e LW |
2559 | if (fd < 0) |
2560 | goto badexit; | |
a70048fb AB |
2561 | if (IoIFP(nstio)) |
2562 | do_close(ngv, FALSE); | |
460c8493 IZ |
2563 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); |
2564 | IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2565 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2566 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2567 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2568 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2569 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2570 | goto badexit; |
2571 | } | |
8d2a6795 GS |
2572 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
2573 | fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */ | |
2574 | #endif | |
a0d0e21e | 2575 | |
ed79a026 | 2576 | #ifdef EPOC |
93d47a36 | 2577 | len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */ |
a9f1f6b0 | 2578 | setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */ |
ed79a026 | 2579 | #endif |
381c1bae | 2580 | #ifdef __SCO_VERSION__ |
93d47a36 | 2581 | len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */ |
381c1bae | 2582 | #endif |
ed79a026 | 2583 | |
93d47a36 | 2584 | PUSHp(namebuf, len); |
a0d0e21e LW |
2585 | RETURN; |
2586 | ||
2587 | nuts: | |
fbcda526 | 2588 | report_evil_fh(ggv); |
93189314 | 2589 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2590 | |
2591 | badexit: | |
2592 | RETPUSHUNDEF; | |
2593 | ||
a0d0e21e LW |
2594 | } |
2595 | ||
2596 | PP(pp_shutdown) | |
2597 | { | |
97aff369 | 2598 | dVAR; dSP; dTARGET; |
7452cf6a | 2599 | const int how = POPi; |
159b6efe | 2600 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 2601 | register IO * const io = GvIOn(gv); |
a0d0e21e LW |
2602 | |
2603 | if (!io || !IoIFP(io)) | |
2604 | goto nuts; | |
2605 | ||
6ad3d225 | 2606 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2607 | RETURN; |
2608 | ||
2609 | nuts: | |
fbcda526 | 2610 | report_evil_fh(gv); |
93189314 | 2611 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2612 | RETPUSHUNDEF; |
a0d0e21e LW |
2613 | } |
2614 | ||
a0d0e21e LW |
2615 | PP(pp_ssockopt) |
2616 | { | |
97aff369 | 2617 | dVAR; dSP; |
7452cf6a | 2618 | const int optype = PL_op->op_type; |
561b68a9 | 2619 | SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs; |
7452cf6a AL |
2620 | const unsigned int optname = (unsigned int) POPi; |
2621 | const unsigned int lvl = (unsigned int) POPi; | |
159b6efe | 2622 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 2623 | register IO * const io = GvIOn(gv); |
a0d0e21e | 2624 | int fd; |
1e422769 | 2625 | Sock_size_t len; |
a0d0e21e | 2626 | |
a0d0e21e LW |
2627 | if (!io || !IoIFP(io)) |
2628 | goto nuts; | |
2629 | ||
760ac839 | 2630 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2631 | switch (optype) { |
2632 | case OP_GSOCKOPT: | |
748a9306 | 2633 | SvGROW(sv, 257); |
a0d0e21e | 2634 | (void)SvPOK_only(sv); |
748a9306 LW |
2635 | SvCUR_set(sv,256); |
2636 | *SvEND(sv) ='\0'; | |
1e422769 | 2637 | len = SvCUR(sv); |
6ad3d225 | 2638 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2639 | goto nuts2; |
1e422769 | 2640 | SvCUR_set(sv, len); |
748a9306 | 2641 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2642 | PUSHs(sv); |
2643 | break; | |
2644 | case OP_SSOCKOPT: { | |
1215b447 JH |
2645 | #if defined(__SYMBIAN32__) |
2646 | # define SETSOCKOPT_OPTION_VALUE_T void * | |
2647 | #else | |
2648 | # define SETSOCKOPT_OPTION_VALUE_T const char * | |
2649 | #endif | |
2650 | /* XXX TODO: We need to have a proper type (a Configure probe, | |
2651 | * etc.) for what the C headers think of the third argument of | |
2652 | * setsockopt(), the option_value read-only buffer: is it | |
2653 | * a "char *", or a "void *", const or not. Some compilers | |
2654 | * don't take kindly to e.g. assuming that "char *" implicitly | |
2655 | * promotes to a "void *", or to explicitly promoting/demoting | |
2656 | * consts to non/vice versa. The "const void *" is the SUS | |
2657 | * definition, but that does not fly everywhere for the above | |
2658 | * reasons. */ | |
2659 | SETSOCKOPT_OPTION_VALUE_T buf; | |
1e422769 | 2660 | int aint; |
2661 | if (SvPOKp(sv)) { | |
2d8e6c8d | 2662 | STRLEN l; |
1215b447 | 2663 | buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l); |
2d8e6c8d | 2664 | len = l; |
1e422769 | 2665 | } |
56ee1660 | 2666 | else { |
a0d0e21e | 2667 | aint = (int)SvIV(sv); |
1215b447 | 2668 | buf = (SETSOCKOPT_OPTION_VALUE_T) &aint; |
a0d0e21e LW |
2669 | len = sizeof(int); |
2670 | } | |
6ad3d225 | 2671 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2672 | goto nuts2; |
3280af22 | 2673 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2674 | } |
2675 | break; | |
2676 | } | |
2677 | RETURN; | |
2678 | ||
2679 | nuts: | |
fbcda526 | 2680 | report_evil_fh(gv); |
93189314 | 2681 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2682 | nuts2: |
2683 | RETPUSHUNDEF; | |
2684 | ||
a0d0e21e LW |
2685 | } |
2686 | ||
a0d0e21e LW |
2687 | PP(pp_getpeername) |
2688 | { | |
97aff369 | 2689 | dVAR; dSP; |
7452cf6a | 2690 | const int optype = PL_op->op_type; |
159b6efe | 2691 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a AL |
2692 | register IO * const io = GvIOn(gv); |
2693 | Sock_size_t len; | |
a0d0e21e LW |
2694 | SV *sv; |
2695 | int fd; | |
a0d0e21e LW |
2696 | |
2697 | if (!io || !IoIFP(io)) | |
2698 | goto nuts; | |
2699 | ||
561b68a9 | 2700 | sv = sv_2mortal(newSV(257)); |
748a9306 | 2701 | (void)SvPOK_only(sv); |
1e422769 | 2702 | len = 256; |
2703 | SvCUR_set(sv, len); | |
748a9306 | 2704 | *SvEND(sv) ='\0'; |
760ac839 | 2705 | fd = PerlIO_fileno(IoIFP(io)); |
a0d0e21e LW |
2706 | switch (optype) { |
2707 | case OP_GETSOCKNAME: | |
6ad3d225 | 2708 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2709 | goto nuts2; |
2710 | break; | |
2711 | case OP_GETPEERNAME: | |
6ad3d225 | 2712 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2713 | goto nuts2; |
490ab354 JH |
2714 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2715 | { | |
2716 | 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"; | |
2717 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
349d4f2f | 2718 | if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET && |
2fbb330f | 2719 | !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere, |
490ab354 | 2720 | sizeof(u_short) + sizeof(struct in_addr))) { |
301e8125 | 2721 | goto nuts2; |
490ab354 JH |
2722 | } |
2723 | } | |
2724 | #endif | |
a0d0e21e LW |
2725 | break; |
2726 | } | |
13826f2c CS |
2727 | #ifdef BOGUS_GETNAME_RETURN |
2728 | /* Interactive Unix, getpeername() and getsockname() | |
2729 | does not return valid namelen */ | |
1e422769 | 2730 | if (len == BOGUS_GETNAME_RETURN) |
2731 | len = sizeof(struct sockaddr); | |
13826f2c | 2732 | #endif |
1e422769 | 2733 | SvCUR_set(sv, len); |
748a9306 | 2734 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2735 | PUSHs(sv); |
2736 | RETURN; | |
2737 | ||
2738 | nuts: | |
fbcda526 | 2739 | report_evil_fh(gv); |
93189314 | 2740 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e LW |
2741 | nuts2: |
2742 | RETPUSHUNDEF; | |
7627e6d0 | 2743 | } |
a0d0e21e | 2744 | |
a0d0e21e | 2745 | #endif |
a0d0e21e LW |
2746 | |
2747 | /* Stat calls. */ | |
2748 | ||
a0d0e21e LW |
2749 | PP(pp_stat) |
2750 | { | |
97aff369 | 2751 | dVAR; |
39644a26 | 2752 | dSP; |
10edeb5d | 2753 | GV *gv = NULL; |
ad02613c | 2754 | IO *io; |
54310121 | 2755 | I32 gimme; |
a0d0e21e LW |
2756 | I32 max = 13; |
2757 | ||
533c011a | 2758 | if (PL_op->op_flags & OPf_REF) { |
2dd78f96 | 2759 | gv = cGVOP_gv; |
8a4e5b40 | 2760 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de | 2761 | if (gv != PL_defgv) { |
5d329e6e | 2762 | do_fstat_warning_check: |
a2a5de95 NC |
2763 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
2764 | "lstat() on filehandle %s", gv ? GvENAME(gv) : ""); | |
5d3e98de | 2765 | } else if (PL_laststype != OP_LSTAT) |
8a4e5b40 | 2766 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2767 | } |
2768 | ||
748a9306 | 2769 | do_fstat: |
2dd78f96 | 2770 | if (gv != PL_defgv) { |
3280af22 | 2771 | PL_laststype = OP_STAT; |
2dd78f96 | 2772 | PL_statgv = gv; |
76f68e9b | 2773 | sv_setpvs(PL_statname, ""); |
5228a96c | 2774 | if(gv) { |
ad02613c SP |
2775 | io = GvIO(gv); |
2776 | do_fstat_have_io: | |
5228a96c SP |
2777 | if (io) { |
2778 | if (IoIFP(io)) { | |
2779 | PL_laststatval = | |
2780 | PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); | |
2781 | } else if (IoDIRP(io)) { | |
5228a96c | 2782 | PL_laststatval = |
3497a01f | 2783 | PerlLIO_fstat(my_dirfd(IoDIRP(io)), &PL_statcache); |
5228a96c SP |
2784 | } else { |
2785 | PL_laststatval = -1; | |
2786 | } | |
2787 | } | |
2788 | } | |
2789 | } | |
2790 | ||
9ddeeac9 | 2791 | if (PL_laststatval < 0) { |
51087808 | 2792 | report_evil_fh(gv); |
a0d0e21e | 2793 | max = 0; |
9ddeeac9 | 2794 | } |
a0d0e21e LW |
2795 | } |
2796 | else { | |
7452cf6a | 2797 | SV* const sv = POPs; |
6e592b3a | 2798 | if (isGV_with_GP(sv)) { |
159b6efe | 2799 | gv = MUTABLE_GV(sv); |
748a9306 | 2800 | goto do_fstat; |
6e592b3a | 2801 | } else if(SvROK(sv) && isGV_with_GP(SvRV(sv))) { |
159b6efe | 2802 | gv = MUTABLE_GV(SvRV(sv)); |
ad02613c SP |
2803 | if (PL_op->op_type == OP_LSTAT) |
2804 | goto do_fstat_warning_check; | |
2805 | goto do_fstat; | |
2806 | } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { | |
a45c7426 | 2807 | io = MUTABLE_IO(SvRV(sv)); |
ad02613c SP |
2808 | if (PL_op->op_type == OP_LSTAT) |
2809 | goto do_fstat_warning_check; | |
2810 | goto do_fstat_have_io; | |
2811 | } | |
2812 | ||
0510663f | 2813 | sv_setpv(PL_statname, SvPV_nolen_const(sv)); |
a0714e2c | 2814 | PL_statgv = NULL; |
533c011a NIS |
2815 | PL_laststype = PL_op->op_type; |
2816 | if (PL_op->op_type == OP_LSTAT) | |
0510663f | 2817 | PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache); |
a0d0e21e | 2818 | else |
0510663f | 2819 | PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache); |
3280af22 | 2820 | if (PL_laststatval < 0) { |
0510663f | 2821 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n')) |
9014280d | 2822 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
a0d0e21e LW |
2823 | max = 0; |
2824 | } | |
2825 | } | |
2826 | ||
54310121 | 2827 | gimme = GIMME_V; |
2828 | if (gimme != G_ARRAY) { | |
2829 | if (gimme != G_VOID) | |
2830 | XPUSHs(boolSV(max)); | |
2831 | RETURN; | |
a0d0e21e LW |
2832 | } |
2833 | if (max) { | |
36477c24 | 2834 | EXTEND(SP, max); |
2835 | EXTEND_MORTAL(max); | |
6e449a3a MHM |
2836 | mPUSHi(PL_statcache.st_dev); |
2837 | mPUSHi(PL_statcache.st_ino); | |
2838 | mPUSHu(PL_statcache.st_mode); | |
2839 | mPUSHu(PL_statcache.st_nlink); | |
146174a9 | 2840 | #if Uid_t_size > IVSIZE |
6e449a3a | 2841 | mPUSHn(PL_statcache.st_uid); |
146174a9 | 2842 | #else |
23dcd6c8 | 2843 | # if Uid_t_sign <= 0 |
6e449a3a | 2844 | mPUSHi(PL_statcache.st_uid); |
23dcd6c8 | 2845 | # else |
6e449a3a | 2846 | mPUSHu(PL_statcache.st_uid); |
23dcd6c8 | 2847 | # endif |
146174a9 | 2848 | #endif |
301e8125 | 2849 | #if Gid_t_size > IVSIZE |
6e449a3a | 2850 | mPUSHn(PL_statcache.st_gid); |
146174a9 | 2851 | #else |
23dcd6c8 | 2852 | # if Gid_t_sign <= 0 |
6e449a3a | 2853 | mPUSHi(PL_statcache.st_gid); |
23dcd6c8 | 2854 | # else |
6e449a3a | 2855 | mPUSHu(PL_statcache.st_gid); |
23dcd6c8 | 2856 | # endif |
146174a9 | 2857 | #endif |
cbdc8872 | 2858 | #ifdef USE_STAT_RDEV |
6e449a3a | 2859 | mPUSHi(PL_statcache.st_rdev); |
cbdc8872 | 2860 | #else |
84bafc02 | 2861 | PUSHs(newSVpvs_flags("", SVs_TEMP)); |
cbdc8872 | 2862 | #endif |
146174a9 | 2863 | #if Off_t_size > IVSIZE |
6e449a3a | 2864 | mPUSHn(PL_statcache.st_size); |
146174a9 | 2865 | #else |
6e449a3a | 2866 | mPUSHi(PL_statcache.st_size); |
146174a9 | 2867 | #endif |
cbdc8872 | 2868 | #ifdef BIG_TIME |
6e449a3a MHM |
2869 | mPUSHn(PL_statcache.st_atime); |
2870 | mPUSHn(PL_statcache.st_mtime); | |
2871 | mPUSHn(PL_statcache.st_ctime); | |
cbdc8872 | 2872 | #else |
6e449a3a MHM |
2873 | mPUSHi(PL_statcache.st_atime); |
2874 | mPUSHi(PL_statcache.st_mtime); | |
2875 | mPUSHi(PL_statcache.st_ctime); | |
cbdc8872 | 2876 | #endif |
a0d0e21e | 2877 | #ifdef USE_STAT_BLOCKS |
6e449a3a MHM |
2878 | mPUSHu(PL_statcache.st_blksize); |
2879 | mPUSHu(PL_statcache.st_blocks); | |
a0d0e21e | 2880 | #else |
84bafc02 NC |
2881 | PUSHs(newSVpvs_flags("", SVs_TEMP)); |
2882 | PUSHs(newSVpvs_flags("", SVs_TEMP)); | |
a0d0e21e LW |
2883 | #endif |
2884 | } | |
2885 | RETURN; | |
2886 | } | |
2887 | ||
6f1401dc DM |
2888 | #define tryAMAGICftest_MG(chr) STMT_START { \ |
2889 | if ( (SvFLAGS(TOPs) & (SVf_ROK|SVs_GMG)) \ | |
2890 | && S_try_amagic_ftest(aTHX_ chr)) \ | |
2891 | return NORMAL; \ | |
2892 | } STMT_END | |
2893 | ||
2894 | STATIC bool | |
2895 | S_try_amagic_ftest(pTHX_ char chr) { | |
2896 | dVAR; | |
2897 | dSP; | |
2898 | SV* const arg = TOPs; | |
2899 | ||
2900 | assert(chr != '?'); | |
2901 | SvGETMAGIC(arg); | |
2902 | ||
2903 | if ((PL_op->op_flags & OPf_KIDS) | |
2904 | && SvAMAGIC(TOPs)) | |
2905 | { | |
2906 | const char tmpchr = chr; | |
2907 | const OP *next; | |
2908 | SV * const tmpsv = amagic_call(arg, | |
2909 | newSVpvn_flags(&tmpchr, 1, SVs_TEMP), | |
2910 | ftest_amg, AMGf_unary); | |
2911 | ||
2912 | if (!tmpsv) | |
2913 | return FALSE; | |
2914 | ||
2915 | SPAGAIN; | |
2916 | ||
bbd91306 | 2917 | if (PL_op->op_private & OPpFT_STACKING) { |
6f1401dc DM |
2918 | if (SvTRUE(tmpsv)) |
2919 | /* leave the object alone */ | |
2920 | return TRUE; | |
2921 | } | |
2922 | ||
2923 | SETs(tmpsv); | |
2924 | PUTBACK; | |
2925 | return TRUE; | |
2926 | } | |
2927 | return FALSE; | |
2928 | } | |
2929 | ||
2930 | ||
fbb0b3b3 RGS |
2931 | /* This macro is used by the stacked filetest operators : |
2932 | * if the previous filetest failed, short-circuit and pass its value. | |
2933 | * Else, discard it from the stack and continue. --rgs | |
2934 | */ | |
2935 | #define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \ | |
d724f706 | 2936 | if (!SvTRUE(TOPs)) { RETURN; } \ |
fbb0b3b3 RGS |
2937 | else { (void)POPs; PUTBACK; } \ |
2938 | } | |
2939 | ||
a0d0e21e LW |
2940 | PP(pp_ftrread) |
2941 | { | |
97aff369 | 2942 | dVAR; |
9cad6237 | 2943 | I32 result; |
af9e49b4 NC |
2944 | /* Not const, because things tweak this below. Not bool, because there's |
2945 | no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */ | |
2946 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2947 | I32 use_access = PL_op->op_private & OPpFT_ACCESS; | |
2948 | /* Giving some sort of initial value silences compilers. */ | |
2949 | # ifdef R_OK | |
2950 | int access_mode = R_OK; | |
2951 | # else | |
2952 | int access_mode = 0; | |
2953 | # endif | |
5ff3f7a4 | 2954 | #else |
af9e49b4 NC |
2955 | /* access_mode is never used, but leaving use_access in makes the |
2956 | conditional compiling below much clearer. */ | |
2957 | I32 use_access = 0; | |
5ff3f7a4 | 2958 | #endif |
2dcac756 | 2959 | Mode_t stat_mode = S_IRUSR; |
a0d0e21e | 2960 | |
af9e49b4 | 2961 | bool effective = FALSE; |
07fe7c6a | 2962 | char opchar = '?'; |
2a3ff820 | 2963 | dSP; |
af9e49b4 | 2964 | |
7fb13887 BM |
2965 | switch (PL_op->op_type) { |
2966 | case OP_FTRREAD: opchar = 'R'; break; | |
2967 | case OP_FTRWRITE: opchar = 'W'; break; | |
2968 | case OP_FTREXEC: opchar = 'X'; break; | |
2969 | case OP_FTEREAD: opchar = 'r'; break; | |
2970 | case OP_FTEWRITE: opchar = 'w'; break; | |
2971 | case OP_FTEEXEC: opchar = 'x'; break; | |
2972 | } | |
6f1401dc | 2973 | tryAMAGICftest_MG(opchar); |
7fb13887 | 2974 | |
fbb0b3b3 | 2975 | STACKED_FTEST_CHECK; |
af9e49b4 NC |
2976 | |
2977 | switch (PL_op->op_type) { | |
2978 | case OP_FTRREAD: | |
2979 | #if !(defined(HAS_ACCESS) && defined(R_OK)) | |
2980 | use_access = 0; | |
2981 | #endif | |
2982 | break; | |
2983 | ||
2984 | case OP_FTRWRITE: | |
5ff3f7a4 | 2985 | #if defined(HAS_ACCESS) && defined(W_OK) |
af9e49b4 | 2986 | access_mode = W_OK; |
5ff3f7a4 | 2987 | #else |
af9e49b4 | 2988 | use_access = 0; |
5ff3f7a4 | 2989 | #endif |
af9e49b4 NC |
2990 | stat_mode = S_IWUSR; |
2991 | break; | |
a0d0e21e | 2992 | |
af9e49b4 | 2993 | case OP_FTREXEC: |
5ff3f7a4 | 2994 | #if defined(HAS_ACCESS) && defined(X_OK) |
af9e49b4 | 2995 | access_mode = X_OK; |
5ff3f7a4 | 2996 | #else |
af9e49b4 | 2997 | use_access = 0; |
5ff3f7a4 | 2998 | #endif |
af9e49b4 NC |
2999 | stat_mode = S_IXUSR; |
3000 | break; | |
a0d0e21e | 3001 | |
af9e49b4 | 3002 | case OP_FTEWRITE: |
faee0e31 | 3003 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 3004 | access_mode = W_OK; |
5ff3f7a4 | 3005 | #endif |
af9e49b4 | 3006 | stat_mode = S_IWUSR; |
7fb13887 | 3007 | /* fall through */ |
a0d0e21e | 3008 | |
af9e49b4 NC |
3009 | case OP_FTEREAD: |
3010 | #ifndef PERL_EFF_ACCESS | |
3011 | use_access = 0; | |
3012 | #endif | |
3013 | effective = TRUE; | |
3014 | break; | |
3015 | ||
af9e49b4 | 3016 | case OP_FTEEXEC: |
faee0e31 | 3017 | #ifdef PERL_EFF_ACCESS |
b376053d | 3018 | access_mode = X_OK; |
5ff3f7a4 | 3019 | #else |
af9e49b4 | 3020 | use_access = 0; |
5ff3f7a4 | 3021 | #endif |
af9e49b4 NC |
3022 | stat_mode = S_IXUSR; |
3023 | effective = TRUE; | |
3024 | break; | |
3025 | } | |
a0d0e21e | 3026 | |
af9e49b4 NC |
3027 | if (use_access) { |
3028 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
2c2f35ab | 3029 | const char *name = POPpx; |
af9e49b4 NC |
3030 | if (effective) { |
3031 | # ifdef PERL_EFF_ACCESS | |
3032 | result = PERL_EFF_ACCESS(name, access_mode); | |
3033 | # else | |
3034 | DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s", | |
3035 | OP_NAME(PL_op)); | |
3036 | # endif | |
3037 | } | |
3038 | else { | |
3039 | # ifdef HAS_ACCESS | |
3040 | result = access(name, access_mode); | |
3041 | # else | |
3042 | DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op)); | |
3043 | # endif | |
3044 | } | |
5ff3f7a4 GS |
3045 | if (result == 0) |
3046 | RETPUSHYES; | |
3047 | if (result < 0) | |
3048 | RETPUSHUNDEF; | |
3049 | RETPUSHNO; | |
af9e49b4 | 3050 | #endif |
22865c03 | 3051 | } |
af9e49b4 | 3052 | |
40c852de | 3053 | result = my_stat_flags(0); |
22865c03 | 3054 | SPAGAIN; |
a0d0e21e LW |
3055 | if (result < 0) |
3056 | RETPUSHUNDEF; | |
af9e49b4 | 3057 | if (cando(stat_mode, effective, &PL_statcache)) |
a0d0e21e LW |
3058 | RETPUSHYES; |
3059 | RETPUSHNO; | |
3060 | } | |
3061 | ||
3062 | PP(pp_ftis) | |
3063 | { | |
97aff369 | 3064 | dVAR; |
fbb0b3b3 | 3065 | I32 result; |
d7f0a2f4 | 3066 | const int op_type = PL_op->op_type; |
07fe7c6a | 3067 | char opchar = '?'; |
2a3ff820 | 3068 | dSP; |
07fe7c6a BM |
3069 | |
3070 | switch (op_type) { | |
3071 | case OP_FTIS: opchar = 'e'; break; | |
3072 | case OP_FTSIZE: opchar = 's'; break; | |
3073 | case OP_FTMTIME: opchar = 'M'; break; | |
3074 | case OP_FTCTIME: opchar = 'C'; break; | |
3075 | case OP_FTATIME: opchar = 'A'; break; | |
3076 | } | |
6f1401dc | 3077 | tryAMAGICftest_MG(opchar); |
07fe7c6a | 3078 | |
fbb0b3b3 | 3079 | STACKED_FTEST_CHECK; |
7fb13887 | 3080 | |
40c852de | 3081 | result = my_stat_flags(0); |
fbb0b3b3 | 3082 | SPAGAIN; |
a0d0e21e LW |
3083 | if (result < 0) |
3084 | RETPUSHUNDEF; | |
d7f0a2f4 NC |
3085 | if (op_type == OP_FTIS) |
3086 | RETPUSHYES; | |
957b0e1d | 3087 | { |
d7f0a2f4 NC |
3088 | /* You can't dTARGET inside OP_FTIS, because you'll get |
3089 | "panic: pad_sv po" - the op is not flagged to have a target. */ | |
957b0e1d | 3090 | dTARGET; |
d7f0a2f4 | 3091 | switch (op_type) { |
957b0e1d NC |
3092 | case OP_FTSIZE: |
3093 | #if Off_t_size > IVSIZE | |
3094 | PUSHn(PL_statcache.st_size); | |
3095 | #else | |
3096 | PUSHi(PL_statcache.st_size); | |
3097 | #endif | |
3098 | break; | |
3099 | case OP_FTMTIME: | |
3100 | PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 ); | |
3101 | break; | |
3102 | case OP_FTATIME: | |
3103 | PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 ); | |
3104 | break; | |
3105 | case OP_FTCTIME: | |
3106 | PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 ); | |
3107 | break; | |
3108 | } | |
3109 | } | |
3110 | RETURN; | |
a0d0e21e LW |
3111 | } |
3112 | ||
a0d0e21e LW |
3113 | PP(pp_ftrowned) |
3114 | { | |
97aff369 | 3115 | dVAR; |
fbb0b3b3 | 3116 | I32 result; |
07fe7c6a | 3117 | char opchar = '?'; |
2a3ff820 | 3118 | dSP; |
17ad201a | 3119 | |
7fb13887 BM |
3120 | switch (PL_op->op_type) { |
3121 | case OP_FTROWNED: opchar = 'O'; break; | |
3122 | case OP_FTEOWNED: opchar = 'o'; break; | |
3123 | case OP_FTZERO: opchar = 'z'; break; | |
3124 | case OP_FTSOCK: opchar = 'S'; break; | |
3125 | case OP_FTCHR: opchar = 'c'; break; | |
3126 | case OP_FTBLK: opchar = 'b'; break; | |
3127 | case OP_FTFILE: opchar = 'f'; break; | |
3128 | case OP_FTDIR: opchar = 'd'; break; | |
3129 | case OP_FTPIPE: opchar = 'p'; break; | |
3130 | case OP_FTSUID: opchar = 'u'; break; | |
3131 | case OP_FTSGID: opchar = 'g'; break; | |
3132 | case OP_FTSVTX: opchar = 'k'; break; | |
3133 | } | |
6f1401dc | 3134 | tryAMAGICftest_MG(opchar); |
7fb13887 | 3135 | |
1b0124a7 JD |
3136 | STACKED_FTEST_CHECK; |
3137 | ||
17ad201a NC |
3138 | /* I believe that all these three are likely to be defined on most every |
3139 | system these days. */ | |
3140 | #ifndef S_ISUID | |
c410dd6a | 3141 | if(PL_op->op_type == OP_FTSUID) { |
1b0124a7 JD |
3142 | if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0) |
3143 | (void) POPs; | |
17ad201a | 3144 | RETPUSHNO; |
c410dd6a | 3145 | } |
17ad201a NC |
3146 | #endif |
3147 | #ifndef S_ISGID | |
c410dd6a | 3148 | if(PL_op->op_type == OP_FTSGID) { |
1b0124a7 JD |
3149 | if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0) |
3150 | (void) POPs; | |
17ad201a | 3151 | RETPUSHNO; |
c410dd6a | 3152 | } |
17ad201a NC |
3153 | #endif |
3154 | #ifndef S_ISVTX | |
c410dd6a | 3155 | if(PL_op->op_type == OP_FTSVTX) { |
1b0124a7 JD |
3156 | if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0) |
3157 | (void) POPs; | |
17ad201a | 3158 | RETPUSHNO; |
c410dd6a | 3159 | } |
17ad201a NC |
3160 | #endif |
3161 | ||
40c852de | 3162 | result = my_stat_flags(0); |
fbb0b3b3 | 3163 | SPAGAIN; |
a0d0e21e LW |
3164 | if (result < 0) |
3165 | RETPUSHUNDEF; | |
f1cb2d48 NC |
3166 | switch (PL_op->op_type) { |
3167 | case OP_FTROWNED: | |
9ab9fa88 | 3168 | if (PL_statcache.st_uid == PL_uid) |
f1cb2d48 NC |
3169 | RETPUSHYES; |
3170 | break; | |
3171 | case OP_FTEOWNED: | |
3172 | if (PL_statcache.st_uid == PL_euid) | |
3173 | RETPUSHYES; | |
3174 | break; | |
3175 | case OP_FTZERO: | |
3176 | if (PL_statcache.st_size == 0) | |
3177 | RETPUSHYES; | |
3178 | break; | |
3179 | case OP_FTSOCK: | |
3180 | if (S_ISSOCK(PL_statcache.st_mode)) | |
3181 | RETPUSHYES; | |
3182 | break; | |
3183 | case OP_FTCHR: | |
3184 | if (S_ISCHR(PL_statcache.st_mode)) | |
3185 | RETPUSHYES; | |
3186 | break; | |
3187 | case OP_FTBLK: | |
3188 | if (S_ISBLK(PL_statcache.st_mode)) | |
3189 | RETPUSHYES; | |
3190 | break; | |
3191 | case OP_FTFILE: | |
3192 | if (S_ISREG(PL_statcache.st_mode)) | |
3193 | RETPUSHYES; | |
3194 | break; | |
3195 | case OP_FTDIR: | |
3196 | if (S_ISDIR(PL_statcache.st_mode)) | |
3197 | RETPUSHYES; | |
3198 | break; | |
3199 | case OP_FTPIPE: | |
3200 | if (S_ISFIFO(PL_statcache.st_mode)) | |
3201 | RETPUSHYES; | |
3202 | break; | |
a0d0e21e | 3203 | #ifdef S_ISUID |
17ad201a NC |
3204 | case OP_FTSUID: |
3205 | if (PL_statcache.st_mode & S_ISUID) | |
3206 | RETPUSHYES; | |
3207 | break; | |
a0d0e21e | 3208 | #endif |
a0d0e21e | 3209 | #ifdef S_ISGID |
17ad201a NC |
3210 | case OP_FTSGID: |
3211 | if (PL_statcache.st_mode & S_ISGID) | |
3212 | RETPUSHYES; | |
3213 | break; | |
3214 | #endif | |
3215 | #ifdef S_ISVTX | |
3216 | case OP_FTSVTX: | |
3217 | if (PL_statcache.st_mode & S_ISVTX) | |
3218 | RETPUSHYES; | |
3219 | break; | |
a0d0e21e | 3220 | #endif |
17ad201a | 3221 | } |
a0d0e21e LW |
3222 | RETPUSHNO; |
3223 | } | |
3224 | ||
17ad201a | 3225 | PP(pp_ftlink) |
a0d0e21e | 3226 | { |
97aff369 | 3227 | dVAR; |
39644a26 | 3228 | dSP; |
500ff13f | 3229 | I32 result; |
07fe7c6a | 3230 | |
6f1401dc | 3231 | tryAMAGICftest_MG('l'); |
40c852de | 3232 | result = my_lstat_flags(0); |
500ff13f BM |
3233 | SPAGAIN; |
3234 | ||
a0d0e21e LW |
3235 | if (result < 0) |
3236 | RETPUSHUNDEF; | |
17ad201a | 3237 | if (S_ISLNK(PL_statcache.st_mode)) |
a0d0e21e | 3238 | RETPUSHYES; |
a0d0e21e LW |
3239 | RETPUSHNO; |
3240 | } | |
3241 | ||
3242 | PP(pp_fttty) | |
3243 | { | |
97aff369 | 3244 | dVAR; |
39644a26 | 3245 | dSP; |
a0d0e21e LW |
3246 | int fd; |
3247 | GV *gv; | |
a0714e2c | 3248 | SV *tmpsv = NULL; |
0784aae0 | 3249 | char *name = NULL; |
40c852de | 3250 | STRLEN namelen; |
fb73857a | 3251 | |
6f1401dc | 3252 | tryAMAGICftest_MG('t'); |
07fe7c6a | 3253 | |
fbb0b3b3 RGS |
3254 | STACKED_FTEST_CHECK; |
3255 | ||
533c011a | 3256 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3257 | gv = cGVOP_gv; |
13be902c | 3258 | else if (isGV_with_GP(TOPs)) |
159b6efe | 3259 | gv = MUTABLE_GV(POPs); |
fb73857a | 3260 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) |
159b6efe | 3261 | gv = MUTABLE_GV(SvRV(POPs)); |
40c852de DM |
3262 | else { |
3263 | tmpsv = POPs; | |
3264 | name = SvPV_nomg(tmpsv, namelen); | |
3265 | gv = gv_fetchpvn_flags(name, namelen, SvUTF8(tmpsv), SVt_PVIO); | |
3266 | } | |
fb73857a | 3267 | |
a0d0e21e | 3268 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3269 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
7a5fd60d | 3270 | else if (tmpsv && SvOK(tmpsv)) { |
40c852de DM |
3271 | if (isDIGIT(*name)) |
3272 | fd = atoi(name); | |
7a5fd60d NC |
3273 | else |
3274 | RETPUSHUNDEF; | |
3275 | } | |
a0d0e21e LW |
3276 | else |
3277 | RETPUSHUNDEF; | |
6ad3d225 | 3278 | if (PerlLIO_isatty(fd)) |
a0d0e21e LW |
3279 | RETPUSHYES; |
3280 | RETPUSHNO; | |
3281 | } | |
3282 | ||
16d20bd9 AD |
3283 | #if defined(atarist) /* this will work with atariST. Configure will |
3284 | make guesses for other systems. */ | |
3285 | # define FILE_base(f) ((f)->_base) | |
3286 | # define FILE_ptr(f) ((f)->_ptr) | |
3287 | # define FILE_cnt(f) ((f)->_cnt) | |
3288 | # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base)) | |
a0d0e21e LW |
3289 | #endif |
3290 | ||
3291 | PP(pp_fttext) | |
3292 | { | |
97aff369 | 3293 | dVAR; |
39644a26 | 3294 | dSP; |
a0d0e21e LW |
3295 | I32 i; |
3296 | I32 len; | |
3297 | I32 odd = 0; | |
3298 | STDCHAR tbuf[512]; | |
3299 | register STDCHAR *s; | |
3300 | register IO *io; | |
5f05dabc | 3301 | register SV *sv; |
3302 | GV *gv; | |
146174a9 | 3303 | PerlIO *fp; |
a0d0e21e | 3304 | |
6f1401dc | 3305 | tryAMAGICftest_MG(PL_op->op_type == OP_FTTEXT ? 'T' : 'B'); |
07fe7c6a | 3306 | |
fbb0b3b3 RGS |
3307 | STACKED_FTEST_CHECK; |
3308 | ||
533c011a | 3309 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3310 | gv = cGVOP_gv; |
13be902c | 3311 | else if (isGV_with_GP(TOPs)) |
159b6efe | 3312 | gv = MUTABLE_GV(POPs); |
5f05dabc | 3313 | else if (SvROK(TOPs) && isGV(SvRV(TOPs))) |
159b6efe | 3314 | gv = MUTABLE_GV(SvRV(POPs)); |
5f05dabc | 3315 | else |
a0714e2c | 3316 | gv = NULL; |
5f05dabc | 3317 | |
3318 | if (gv) { | |
a0d0e21e | 3319 | EXTEND(SP, 1); |
3280af22 NIS |
3320 | if (gv == PL_defgv) { |
3321 | if (PL_statgv) | |
3322 | io = GvIO(PL_statgv); | |
a0d0e21e | 3323 | else { |
3280af22 | 3324 | sv = PL_statname; |
a0d0e21e LW |
3325 | goto really_filename; |
3326 | } | |
3327 | } | |
3328 | else { | |
3280af22 NIS |
3329 | PL_statgv = gv; |
3330 | PL_laststatval = -1; | |
76f68e9b | 3331 | sv_setpvs(PL_statname, ""); |
3280af22 | 3332 | io = GvIO(PL_statgv); |
a0d0e21e LW |
3333 | } |
3334 | if (io && IoIFP(io)) { | |
5f05dabc | 3335 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3336 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
3280af22 NIS |
3337 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache); |
3338 | if (PL_laststatval < 0) | |
5f05dabc | 3339 | RETPUSHUNDEF; |
9cbac4c7 | 3340 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3341 | if (PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3342 | RETPUSHNO; |
3343 | else | |
3344 | RETPUSHYES; | |
9cbac4c7 | 3345 | } |
a20bf0c3 | 3346 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3347 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3348 | if (i != EOF) |
760ac839 | 3349 | (void)PerlIO_ungetc(IoIFP(io),i); |
a0d0e21e | 3350 | } |
a20bf0c3 | 3351 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */ |
a0d0e21e | 3352 | RETPUSHYES; |
a20bf0c3 JH |
3353 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3354 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3355 | /* sfio can have large buffers - limit to 512 */ |
3356 | if (len > 512) | |
3357 | len = 512; | |
a0d0e21e LW |
3358 | } |
3359 | else { | |
51087808 | 3360 | report_evil_fh(cGVOP_gv); |
93189314 | 3361 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3362 | RETPUSHUNDEF; |
3363 | } | |
3364 | } | |
3365 | else { | |
3366 | sv = POPs; | |
5f05dabc | 3367 | really_filename: |
a0714e2c | 3368 | PL_statgv = NULL; |
5c9aa243 | 3369 | PL_laststype = OP_STAT; |
40c852de | 3370 | sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv)); |
aa07b2f6 | 3371 | if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) { |
349d4f2f NC |
3372 | if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), |
3373 | '\n')) | |
9014280d | 3374 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
a0d0e21e LW |
3375 | RETPUSHUNDEF; |
3376 | } | |
146174a9 CB |
3377 | PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache); |
3378 | if (PL_laststatval < 0) { | |
3379 | (void)PerlIO_close(fp); | |
5f05dabc | 3380 | RETPUSHUNDEF; |
146174a9 | 3381 | } |
bd61b366 | 3382 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL); |
146174a9 CB |
3383 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3384 | (void)PerlIO_close(fp); | |
a0d0e21e | 3385 | if (len <= 0) { |
533c011a | 3386 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
a0d0e21e LW |
3387 | RETPUSHNO; /* special case NFS directories */ |
3388 | RETPUSHYES; /* null file is anything */ | |
3389 | } | |
3390 | s = tbuf; | |
3391 | } | |
3392 | ||
3393 | /* now scan s to look for textiness */ | |
4633a7c4 | 3394 | /* XXX ASCII dependent code */ |
a0d0e21e | 3395 | |
146174a9 CB |
3396 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3397 | /* ignore trailing ^Z on short files */ | |
58c0efa5 | 3398 | if (len && len < (I32)sizeof(tbuf) && tbuf[len-1] == 26) |
146174a9 CB |
3399 | --len; |
3400 | #endif | |
3401 | ||
a0d0e21e LW |
3402 | for (i = 0; i < len; i++, s++) { |
3403 | if (!*s) { /* null never allowed in text */ | |
3404 | odd += len; | |
3405 | break; | |
3406 | } | |
9d116dd7 | 3407 | #ifdef EBCDIC |
301e8125 | 3408 | else if (!(isPRINT(*s) || isSPACE(*s))) |
9d116dd7 JH |
3409 | odd++; |
3410 | #else | |
146174a9 CB |
3411 | else if (*s & 128) { |
3412 | #ifdef USE_LOCALE | |
2de3dbcc | 3413 | if (IN_LOCALE_RUNTIME && isALPHA_LC(*s)) |
b3f66c68 GS |
3414 | continue; |
3415 | #endif | |
3416 | /* utf8 characters don't count as odd */ | |
fd400ab9 | 3417 | if (UTF8_IS_START(*s)) { |
b3f66c68 GS |
3418 | int ulen = UTF8SKIP(s); |
3419 | if (ulen < len - i) { | |
3420 | int j; | |
3421 | for (j = 1; j < ulen; j++) { | |
fd400ab9 | 3422 | if (!UTF8_IS_CONTINUATION(s[j])) |
b3f66c68 GS |
3423 | goto not_utf8; |
3424 | } | |
3425 | --ulen; /* loop does extra increment */ | |
3426 | s += ulen; | |
3427 | i += ulen; | |
3428 | continue; | |
3429 | } | |
3430 | } | |
3431 | not_utf8: | |
3432 | odd++; | |
146174a9 | 3433 | } |
a0d0e21e LW |
3434 | else if (*s < 32 && |
3435 | *s != '\n' && *s != '\r' && *s != '\b' && | |
3436 | *s != '\t' && *s != '\f' && *s != 27) | |
3437 | odd++; | |
9d116dd7 | 3438 | #endif |
a0d0e21e LW |
3439 | } |
3440 | ||
533c011a | 3441 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
a0d0e21e LW |
3442 | RETPUSHNO; |
3443 | else | |
3444 | RETPUSHYES; | |
3445 | } | |
3446 | ||
a0d0e21e LW |
3447 | /* File calls. */ |
3448 | ||
3449 | PP(pp_chdir) | |
3450 | { | |
97aff369 | 3451 | dVAR; dSP; dTARGET; |
c445ea15 | 3452 | const char *tmps = NULL; |
9a957fbc | 3453 | GV *gv = NULL; |
a0d0e21e | 3454 | |
c4aca7d0 | 3455 | if( MAXARG == 1 ) { |
9a957fbc | 3456 | SV * const sv = POPs; |
d4ac975e GA |
3457 | if (PL_op->op_flags & OPf_SPECIAL) { |
3458 | gv = gv_fetchsv(sv, 0, SVt_PVIO); | |
3459 | } | |
6e592b3a | 3460 | else if (isGV_with_GP(sv)) { |
159b6efe | 3461 | gv = MUTABLE_GV(sv); |
c4aca7d0 | 3462 | } |
6e592b3a | 3463 | else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) { |
159b6efe | 3464 | gv = MUTABLE_GV(SvRV(sv)); |
c4aca7d0 GA |
3465 | } |
3466 | else { | |
4ea561bc | 3467 | tmps = SvPV_nolen_const(sv); |
c4aca7d0 GA |
3468 | } |
3469 | } | |
35ae6b54 | 3470 | |
c4aca7d0 | 3471 | if( !gv && (!tmps || !*tmps) ) { |
9a957fbc AL |
3472 | HV * const table = GvHVn(PL_envgv); |
3473 | SV **svp; | |
3474 | ||
a4fc7abc AL |
3475 | if ( (svp = hv_fetchs(table, "HOME", FALSE)) |
3476 | || (svp = hv_fetchs(table, "LOGDIR", FALSE)) | |
491527d0 | 3477 | #ifdef VMS |
a4fc7abc | 3478 | || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE)) |
491527d0 | 3479 | #endif |
35ae6b54 MS |
3480 | ) |
3481 | { | |
3482 | if( MAXARG == 1 ) | |
9014280d | 3483 | deprecate("chdir('') or chdir(undef) as chdir()"); |
8c074e2a | 3484 | tmps = SvPV_nolen_const(*svp); |
35ae6b54 | 3485 | } |
72f496dc | 3486 | else { |
389ec635 | 3487 | PUSHi(0); |
b7ab37f8 | 3488 | TAINT_PROPER("chdir"); |
389ec635 MS |
3489 | RETURN; |
3490 | } | |
8ea155d1 | 3491 | } |
8ea155d1 | 3492 | |
a0d0e21e | 3493 | TAINT_PROPER("chdir"); |
c4aca7d0 GA |
3494 | if (gv) { |
3495 | #ifdef HAS_FCHDIR | |
9a957fbc | 3496 | IO* const io = GvIO(gv); |
c4aca7d0 | 3497 | if (io) { |
c08d6937 | 3498 | if (IoDIRP(io)) { |
3497a01f | 3499 | PUSHi(fchdir(my_dirfd(IoDIRP(io))) >= 0); |
c08d6937 SP |
3500 | } else if (IoIFP(io)) { |
3501 | PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0); | |
c4aca7d0 GA |
3502 | } |
3503 | else { | |
51087808 | 3504 | report_evil_fh(gv); |
4dc171f0 | 3505 | SETERRNO(EBADF, RMS_IFI); |
c4aca7d0 GA |
3506 | PUSHi(0); |
3507 | } | |
3508 | } | |
3509 | else { | |
51087808 | 3510 | report_evil_fh(gv); |
4dc171f0 | 3511 | SETERRNO(EBADF,RMS_IFI); |
c4aca7d0 GA |
3512 | PUSHi(0); |
3513 | } | |
3514 | #else | |
3515 | DIE(aTHX_ PL_no_func, "fchdir"); | |
3516 | #endif | |
3517 | } | |
3518 | else | |
b8ffc8df | 3519 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3520 | #ifdef VMS |
3521 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3522 | * in the future. */ | |
6b88bc9c | 3523 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3524 | #endif |
a0d0e21e LW |
3525 | RETURN; |
3526 | } | |
3527 | ||
3528 | PP(pp_chown) | |
3529 | { | |
97aff369 | 3530 | dVAR; dSP; dMARK; dTARGET; |
605b9385 | 3531 | const I32 value = (I32)apply(PL_op->op_type, MARK, SP); |
76ffd3b9 | 3532 | |
a0d0e21e | 3533 | SP = MARK; |
b59aed67 | 3534 | XPUSHi(value); |
a0d0e21e | 3535 | RETURN; |
a0d0e21e LW |
3536 | } |
3537 | ||
3538 | PP(pp_chroot) | |
3539 | { | |
a0d0e21e | 3540 | #ifdef HAS_CHROOT |
97aff369 | 3541 | dVAR; dSP; dTARGET; |
7452cf6a | 3542 | char * const tmps = POPpx; |
a0d0e21e LW |
3543 | TAINT_PROPER("chroot"); |
3544 | PUSHi( chroot(tmps) >= 0 ); | |
3545 | RETURN; | |
3546 | #else | |
cea2e8a9 | 3547 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3548 | #endif |
3549 | } | |
3550 | ||
a0d0e21e LW |
3551 | PP(pp_rename) |
3552 | { | |
97aff369 | 3553 | dVAR; dSP; dTARGET; |
a0d0e21e | 3554 | int anum; |
7452cf6a AL |
3555 | const char * const tmps2 = POPpconstx; |
3556 | const char * const tmps = SvPV_nolen_const(TOPs); | |
a0d0e21e LW |
3557 | TAINT_PROPER("rename"); |
3558 | #ifdef HAS_RENAME | |
baed7233 | 3559 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3560 | #else |
6b88bc9c | 3561 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3562 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3563 | anum = 1; | |
3564 | else { | |
3654eb6c | 3565 | if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3566 | (void)UNLINK(tmps2); |
3567 | if (!(anum = link(tmps, tmps2))) | |
3568 | anum = UNLINK(tmps); | |
3569 | } | |
a0d0e21e LW |
3570 | } |
3571 | #endif | |
3572 | SETi( anum >= 0 ); | |
3573 | RETURN; | |
3574 | } | |
3575 | ||
ce6987d0 | 3576 | #if defined(HAS_LINK) || defined(HAS_SYMLINK) |
a0d0e21e LW |
3577 | PP(pp_link) |
3578 | { | |
97aff369 | 3579 | dVAR; dSP; dTARGET; |
ce6987d0 NC |
3580 | const int op_type = PL_op->op_type; |
3581 | int result; | |
a0d0e21e | 3582 | |
ce6987d0 NC |
3583 | # ifndef HAS_LINK |
3584 | if (op_type == OP_LINK) | |
3585 | DIE(aTHX_ PL_no_func, "link"); | |
3586 | # endif | |
3587 | # ifndef HAS_SYMLINK | |
3588 | if (op_type == OP_SYMLINK) | |
3589 | DIE(aTHX_ PL_no_func, "symlink"); | |
3590 | # endif | |
3591 | ||
3592 | { | |
7452cf6a AL |
3593 | const char * const tmps2 = POPpconstx; |
3594 | const char * const tmps = SvPV_nolen_const(TOPs); | |
ce6987d0 NC |
3595 | TAINT_PROPER(PL_op_desc[op_type]); |
3596 | result = | |
3597 | # if defined(HAS_LINK) | |
3598 | # if defined(HAS_SYMLINK) | |
3599 | /* Both present - need to choose which. */ | |
3600 | (op_type == OP_LINK) ? | |
3601 | PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2); | |
3602 | # else | |
4a8ebb7f SH |
3603 | /* Only have link, so calls to pp_symlink will have DIE()d above. */ |
3604 | PerlLIO_link(tmps, tmps2); | |
ce6987d0 NC |
3605 | # endif |
3606 | # else | |
3607 | # if defined(HAS_SYMLINK) | |
4a8ebb7f SH |
3608 | /* Only have symlink, so calls to pp_link will have DIE()d above. */ |
3609 | symlink(tmps, tmps2); | |
ce6987d0 NC |
3610 | # endif |
3611 | # endif | |
3612 | } | |
3613 | ||
3614 | SETi( result >= 0 ); | |
a0d0e21e | 3615 | RETURN; |
ce6987d0 | 3616 | } |
a0d0e21e | 3617 | #else |
ce6987d0 NC |
3618 | PP(pp_link) |
3619 | { | |
3620 | /* Have neither. */ | |
3621 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 3622 | } |
ce6987d0 | 3623 | #endif |
a0d0e21e LW |
3624 | |
3625 | PP(pp_readlink) | |
3626 | { | |
97aff369 | 3627 | dVAR; |
76ffd3b9 | 3628 | dSP; |
a0d0e21e | 3629 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3630 | dTARGET; |
10516c54 | 3631 | const char *tmps; |
46fc3d4c | 3632 | char buf[MAXPATHLEN]; |
a0d0e21e | 3633 | int len; |
46fc3d4c | 3634 | |
fb73857a | 3635 | #ifndef INCOMPLETE_TAINTS |
3636 | TAINT; | |
3637 | #endif | |
10516c54 | 3638 | tmps = POPpconstx; |
97dcea33 | 3639 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3640 | if (len < 0) |
3641 | RETPUSHUNDEF; | |
3642 | PUSHp(buf, len); | |
3643 | RETURN; | |
3644 | #else | |
3645 | EXTEND(SP, 1); | |
3646 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3647 | #endif | |
3648 | } | |
3649 | ||
3650 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3651 | STATIC int |
b464bac0 | 3652 | S_dooneliner(pTHX_ const char *cmd, const char *filename) |
a0d0e21e | 3653 | { |
b464bac0 | 3654 | char * const save_filename = filename; |
1e422769 | 3655 | char *cmdline; |
3656 | char *s; | |
760ac839 | 3657 | PerlIO *myfp; |
1e422769 | 3658 | int anum = 1; |
6fca0082 | 3659 | Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10; |
a0d0e21e | 3660 | |
7918f24d NC |
3661 | PERL_ARGS_ASSERT_DOONELINER; |
3662 | ||
6fca0082 SP |
3663 | Newx(cmdline, size, char); |
3664 | my_strlcpy(cmdline, cmd, size); | |
3665 | my_strlcat(cmdline, " ", size); | |
1e422769 | 3666 | for (s = cmdline + strlen(cmdline); *filename; ) { |
a0d0e21e LW |
3667 | *s++ = '\\'; |
3668 | *s++ = *filename++; | |
3669 | } | |
d1307786 JH |
3670 | if (s - cmdline < size) |
3671 | my_strlcpy(s, " 2>&1", size - (s - cmdline)); | |
6ad3d225 | 3672 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3673 | Safefree(cmdline); |
3674 | ||
a0d0e21e | 3675 | if (myfp) { |
0bcc34c2 | 3676 | SV * const tmpsv = sv_newmortal(); |
6b88bc9c | 3677 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3678 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3679 | (void)PerlProc_pclose(myfp); |
bd61b366 | 3680 | if (s != NULL) { |
1e422769 | 3681 | int e; |
3682 | for (e = 1; | |
a0d0e21e | 3683 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3684 | e <= sys_nerr |
3685 | #endif | |
3686 | ; e++) | |
3687 | { | |
3688 | /* you don't see this */ | |
6136c704 | 3689 | const char * const errmsg = |
1e422769 | 3690 | #ifdef HAS_SYS_ERRLIST |
3691 | sys_errlist[e] | |
a0d0e21e | 3692 | #else |
1e422769 | 3693 | strerror(e) |
a0d0e21e | 3694 | #endif |
1e422769 | 3695 | ; |
3696 | if (!errmsg) | |
3697 | break; | |
3698 | if (instr(s, errmsg)) { | |
3699 | SETERRNO(e,0); | |
3700 | return 0; | |
3701 | } | |
a0d0e21e | 3702 | } |
748a9306 | 3703 | SETERRNO(0,0); |
a0d0e21e LW |
3704 | #ifndef EACCES |
3705 | #define EACCES EPERM | |
3706 | #endif | |
1e422769 | 3707 | if (instr(s, "cannot make")) |
93189314 | 3708 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3709 | else if (instr(s, "existing file")) |
93189314 | 3710 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3711 | else if (instr(s, "ile exists")) |
93189314 | 3712 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3713 | else if (instr(s, "non-exist")) |
93189314 | 3714 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3715 | else if (instr(s, "does not exist")) |
93189314 | 3716 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3717 | else if (instr(s, "not empty")) |
93189314 | 3718 | SETERRNO(EBUSY,SS_DEVOFFLINE); |
1e422769 | 3719 | else if (instr(s, "cannot access")) |
93189314 | 3720 | SETERRNO(EACCES,RMS_PRV); |
a0d0e21e | 3721 | else |
93189314 | 3722 | SETERRNO(EPERM,RMS_PRV); |
a0d0e21e LW |
3723 | return 0; |
3724 | } | |
3725 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3726 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3727 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3728 | anum = !anum; |
3729 | if (anum) | |
748a9306 | 3730 | SETERRNO(0,0); |
a0d0e21e | 3731 | else |
93189314 | 3732 | SETERRNO(EACCES,RMS_PRV); /* a guess */ |
a0d0e21e LW |
3733 | } |
3734 | return anum; | |
3735 | } | |
3736 | else | |
3737 | return 0; | |
3738 | } | |
3739 | #endif | |
3740 | ||
0c54f65b RGS |
3741 | /* This macro removes trailing slashes from a directory name. |
3742 | * Different operating and file systems take differently to | |
3743 | * trailing slashes. According to POSIX 1003.1 1996 Edition | |
3744 | * any number of trailing slashes should be allowed. | |
3745 | * Thusly we snip them away so that even non-conforming | |
3746 | * systems are happy. | |
3747 | * We should probably do this "filtering" for all | |
3748 | * the functions that expect (potentially) directory names: | |
3749 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3750 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3751 | ||
5c144d81 | 3752 | #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \ |
0c54f65b RGS |
3753 | if ((len) > 1 && (tmps)[(len)-1] == '/') { \ |
3754 | do { \ | |
3755 | (len)--; \ | |
3756 | } while ((len) > 1 && (tmps)[(len)-1] == '/'); \ | |
3757 | (tmps) = savepvn((tmps), (len)); \ | |
3758 | (copy) = TRUE; \ | |
3759 | } | |
3760 | ||
a0d0e21e LW |
3761 | PP(pp_mkdir) |
3762 | { | |
97aff369 | 3763 | dVAR; dSP; dTARGET; |
df25ddba | 3764 | STRLEN len; |
5c144d81 | 3765 | const char *tmps; |
df25ddba | 3766 | bool copy = FALSE; |
7452cf6a | 3767 | const int mode = (MAXARG > 1) ? POPi : 0777; |
5a211162 | 3768 | |
0c54f65b | 3769 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3770 | |
3771 | TAINT_PROPER("mkdir"); | |
3772 | #ifdef HAS_MKDIR | |
b8ffc8df | 3773 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e | 3774 | #else |
0bcc34c2 AL |
3775 | { |
3776 | int oldumask; | |
a0d0e21e | 3777 | SETi( dooneliner("mkdir", tmps) ); |
6ad3d225 GS |
3778 | oldumask = PerlLIO_umask(0); |
3779 | PerlLIO_umask(oldumask); | |
3780 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
0bcc34c2 | 3781 | } |
a0d0e21e | 3782 | #endif |
df25ddba JH |
3783 | if (copy) |
3784 | Safefree(tmps); | |
a0d0e21e LW |
3785 | RETURN; |
3786 | } | |
3787 | ||
3788 | PP(pp_rmdir) | |
3789 | { | |
97aff369 | 3790 | dVAR; dSP; dTARGET; |
0c54f65b | 3791 | STRLEN len; |
5c144d81 | 3792 | const char *tmps; |
0c54f65b | 3793 | bool copy = FALSE; |
a0d0e21e | 3794 | |
0c54f65b | 3795 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3796 | TAINT_PROPER("rmdir"); |
3797 | #ifdef HAS_RMDIR | |
b8ffc8df | 3798 | SETi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e | 3799 | #else |
0c54f65b | 3800 | SETi( dooneliner("rmdir", tmps) ); |
a0d0e21e | 3801 | #endif |
0c54f65b RGS |
3802 | if (copy) |
3803 | Safefree(tmps); | |
a0d0e21e LW |
3804 | RETURN; |
3805 | } | |
3806 | ||
3807 | /* Directory calls. */ | |
3808 | ||
3809 | PP(pp_open_dir) | |
3810 | { | |
a0d0e21e | 3811 | #if defined(Direntry_t) && defined(HAS_READDIR) |
97aff369 | 3812 | dVAR; dSP; |
7452cf6a | 3813 | const char * const dirname = POPpconstx; |
159b6efe | 3814 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 3815 | register IO * const io = GvIOn(gv); |
a0d0e21e LW |
3816 | |
3817 | if (!io) | |
3818 | goto nope; | |
3819 | ||
a2a5de95 | 3820 | if ((IoIFP(io) || IoOFP(io))) |
d1d15184 NC |
3821 | Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), |
3822 | "Opening filehandle %s also as a directory", | |
3823 | GvENAME(gv)); | |
a0d0e21e | 3824 | if (IoDIRP(io)) |
6ad3d225 | 3825 | PerlDir_close(IoDIRP(io)); |
b8ffc8df | 3826 | if (!(IoDIRP(io) = PerlDir_open(dirname))) |
a0d0e21e LW |
3827 | goto nope; |
3828 | ||
3829 | RETPUSHYES; | |
3830 | nope: | |
3831 | if (!errno) | |
93189314 | 3832 | SETERRNO(EBADF,RMS_DIR); |
a0d0e21e LW |
3833 | RETPUSHUNDEF; |
3834 | #else | |
cea2e8a9 | 3835 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3836 | #endif |
3837 | } | |
3838 | ||
3839 | PP(pp_readdir) | |
3840 | { | |
34b7f128 AMS |
3841 | #if !defined(Direntry_t) || !defined(HAS_READDIR) |
3842 | DIE(aTHX_ PL_no_dir_func, "readdir"); | |
3843 | #else | |
fd8cd3a3 | 3844 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3845 | Direntry_t *readdir (DIR *); |
a0d0e21e | 3846 | #endif |
97aff369 | 3847 | dVAR; |
34b7f128 AMS |
3848 | dSP; |
3849 | ||
3850 | SV *sv; | |
f54cb97a | 3851 | const I32 gimme = GIMME; |
159b6efe | 3852 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a AL |
3853 | register const Direntry_t *dp; |
3854 | register IO * const io = GvIOn(gv); | |
a0d0e21e | 3855 | |
3b7fbd4a | 3856 | if (!io || !IoDIRP(io)) { |
a2a5de95 NC |
3857 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
3858 | "readdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
3b7fbd4a SP |
3859 | goto nope; |
3860 | } | |
a0d0e21e | 3861 | |
34b7f128 AMS |
3862 | do { |
3863 | dp = (Direntry_t *)PerlDir_read(IoDIRP(io)); | |
3864 | if (!dp) | |
3865 | break; | |
a0d0e21e | 3866 | #ifdef DIRNAMLEN |
34b7f128 | 3867 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3868 | #else |
34b7f128 | 3869 | sv = newSVpv(dp->d_name, 0); |
fb73857a | 3870 | #endif |
3871 | #ifndef INCOMPLETE_TAINTS | |
34b7f128 AMS |
3872 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3873 | SvTAINTED_on(sv); | |
a0d0e21e | 3874 | #endif |
6e449a3a | 3875 | mXPUSHs(sv); |
a79db61d | 3876 | } while (gimme == G_ARRAY); |
34b7f128 AMS |
3877 | |
3878 | if (!dp && gimme != G_ARRAY) | |
3879 | goto nope; | |
3880 | ||
a0d0e21e LW |
3881 | RETURN; |
3882 | ||
3883 | nope: | |
3884 | if (!errno) | |
93189314 | 3885 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3886 | if (GIMME == G_ARRAY) |
3887 | RETURN; | |
3888 | else | |
3889 | RETPUSHUNDEF; | |
a0d0e21e LW |
3890 | #endif |
3891 | } | |
3892 | ||
3893 | PP(pp_telldir) | |
3894 | { | |
a0d0e21e | 3895 | #if defined(HAS_TELLDIR) || defined(telldir) |
27da23d5 | 3896 | dVAR; dSP; dTARGET; |
968dcd91 JH |
3897 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
3898 | /* XXX netbsd still seemed to. | |
3899 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
3900 | --JHI 1999-Feb-02 */ | |
3901 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 3902 | long telldir (DIR *); |
dfe9444c | 3903 | # endif |
159b6efe | 3904 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 3905 | register IO * const io = GvIOn(gv); |
a0d0e21e | 3906 | |
abc7ecad | 3907 | if (!io || !IoDIRP(io)) { |
a2a5de95 NC |
3908 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
3909 | "telldir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
abc7ecad SP |
3910 | goto nope; |
3911 | } | |
a0d0e21e | 3912 | |
6ad3d225 | 3913 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e LW |
3914 | RETURN; |
3915 | nope: | |
3916 | if (!errno) | |
93189314 | 3917 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3918 | RETPUSHUNDEF; |
3919 | #else | |
cea2e8a9 | 3920 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
3921 | #endif |
3922 | } | |
3923 | ||
3924 | PP(pp_seekdir) | |
3925 | { | |
a0d0e21e | 3926 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
97aff369 | 3927 | dVAR; dSP; |
7452cf6a | 3928 | const long along = POPl; |
159b6efe | 3929 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 3930 | register IO * const io = GvIOn(gv); |
a0d0e21e | 3931 | |
abc7ecad | 3932 | if (!io || !IoDIRP(io)) { |
a2a5de95 NC |
3933 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
3934 | "seekdir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
abc7ecad SP |
3935 | goto nope; |
3936 | } | |
6ad3d225 | 3937 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
3938 | |
3939 | RETPUSHYES; | |
3940 | nope: | |
3941 | if (!errno) | |
93189314 | 3942 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3943 | RETPUSHUNDEF; |
3944 | #else | |
cea2e8a9 | 3945 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
3946 | #endif |
3947 | } | |
3948 | ||
3949 | PP(pp_rewinddir) | |
3950 | { | |
a0d0e21e | 3951 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
97aff369 | 3952 | dVAR; dSP; |
159b6efe | 3953 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 3954 | register IO * const io = GvIOn(gv); |
a0d0e21e | 3955 | |
abc7ecad | 3956 | if (!io || !IoDIRP(io)) { |
a2a5de95 NC |
3957 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
3958 | "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
a0d0e21e | 3959 | goto nope; |
abc7ecad | 3960 | } |
6ad3d225 | 3961 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e LW |
3962 | RETPUSHYES; |
3963 | nope: | |
3964 | if (!errno) | |
93189314 | 3965 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
3966 | RETPUSHUNDEF; |
3967 | #else | |
cea2e8a9 | 3968 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
3969 | #endif |
3970 | } | |
3971 | ||
3972 | PP(pp_closedir) | |
3973 | { | |
a0d0e21e | 3974 | #if defined(Direntry_t) && defined(HAS_READDIR) |
97aff369 | 3975 | dVAR; dSP; |
159b6efe | 3976 | GV * const gv = MUTABLE_GV(POPs); |
7452cf6a | 3977 | register IO * const io = GvIOn(gv); |
a0d0e21e | 3978 | |
abc7ecad | 3979 | if (!io || !IoDIRP(io)) { |
a2a5de95 NC |
3980 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
3981 | "closedir() attempted on invalid dirhandle %s", GvENAME(gv)); | |
abc7ecad SP |
3982 | goto nope; |
3983 | } | |
a0d0e21e | 3984 | #ifdef VOID_CLOSEDIR |
6ad3d225 | 3985 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 3986 | #else |
6ad3d225 | 3987 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 3988 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 3989 | goto nope; |
748a9306 | 3990 | } |
a0d0e21e LW |
3991 | #endif |
3992 | IoDIRP(io) = 0; | |
3993 | ||
3994 | RETPUSHYES; | |
3995 | nope: | |
3996 | if (!errno) | |
93189314 | 3997 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
3998 | RETPUSHUNDEF; |
3999 | #else | |
cea2e8a9 | 4000 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
4001 | #endif |
4002 | } | |
4003 | ||
4004 | /* Process control. */ | |
4005 | ||
4006 | PP(pp_fork) | |
4007 | { | |
44a8e56a | 4008 | #ifdef HAS_FORK |
97aff369 | 4009 | dVAR; dSP; dTARGET; |
761237fe | 4010 | Pid_t childpid; |
a0d0e21e LW |
4011 | |
4012 | EXTEND(SP, 1); | |
45bc9206 | 4013 | PERL_FLUSHALL_FOR_CHILD; |
52e18b1f | 4014 | childpid = PerlProc_fork(); |
a0d0e21e LW |
4015 | if (childpid < 0) |
4016 | RETSETUNDEF; | |
4017 | if (!childpid) { | |
4d76a344 RGS |
4018 | #ifdef THREADS_HAVE_PIDS |
4019 | PL_ppid = (IV)getppid(); | |
4020 | #endif | |
ca0c25f6 | 4021 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 4022 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
ca0c25f6 | 4023 | #endif |
a0d0e21e LW |
4024 | } |
4025 | PUSHi(childpid); | |
4026 | RETURN; | |
4027 | #else | |
146174a9 | 4028 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 4029 | dSP; dTARGET; |
146174a9 CB |
4030 | Pid_t childpid; |
4031 | ||
4032 | EXTEND(SP, 1); | |
4033 | PERL_FLUSHALL_FOR_CHILD; | |
4034 | childpid = PerlProc_fork(); | |
60fa28ff GS |
4035 | if (childpid == -1) |
4036 | RETSETUNDEF; | |
146174a9 CB |
4037 | PUSHi(childpid); |
4038 | RETURN; | |
4039 | # else | |
0322a713 | 4040 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 4041 | # endif |
a0d0e21e LW |
4042 | #endif |
4043 | } | |
4044 | ||
4045 | PP(pp_wait) | |
4046 | { | |
e37778c2 | 4047 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__) |
97aff369 | 4048 | dVAR; dSP; dTARGET; |
761237fe | 4049 | Pid_t childpid; |
a0d0e21e | 4050 | int argflags; |
a0d0e21e | 4051 | |
4ffa73a3 JH |
4052 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
4053 | childpid = wait4pid(-1, &argflags, 0); | |
4054 | else { | |
4055 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && | |
4056 | errno == EINTR) { | |
4057 | PERL_ASYNC_CHECK(); | |
4058 | } | |
0a0ada86 | 4059 | } |
68a29c53 GS |
4060 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4061 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 4062 | STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1); |
68a29c53 | 4063 | # else |
2fbb330f | 4064 | STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 4065 | # endif |
44a8e56a | 4066 | XPUSHi(childpid); |
a0d0e21e LW |
4067 | RETURN; |
4068 | #else | |
0322a713 | 4069 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
4070 | #endif |
4071 | } | |
4072 | ||
4073 | PP(pp_waitpid) | |
4074 | { | |
e37778c2 | 4075 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__) |
97aff369 | 4076 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4077 | const int optype = POPi; |
4078 | const Pid_t pid = TOPi; | |
2ec0bfb3 | 4079 | Pid_t result; |
a0d0e21e | 4080 | int argflags; |
a0d0e21e | 4081 | |
4ffa73a3 | 4082 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
2ec0bfb3 | 4083 | result = wait4pid(pid, &argflags, optype); |
4ffa73a3 | 4084 | else { |
2ec0bfb3 | 4085 | while ((result = wait4pid(pid, &argflags, optype)) == -1 && |
4ffa73a3 JH |
4086 | errno == EINTR) { |
4087 | PERL_ASYNC_CHECK(); | |
4088 | } | |
0a0ada86 | 4089 | } |
68a29c53 GS |
4090 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4091 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 4092 | STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1); |
68a29c53 | 4093 | # else |
2fbb330f | 4094 | STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1); |
68a29c53 | 4095 | # endif |
2ec0bfb3 | 4096 | SETi(result); |
a0d0e21e LW |
4097 | RETURN; |
4098 | #else | |
0322a713 | 4099 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
4100 | #endif |
4101 | } | |
4102 | ||
4103 | PP(pp_system) | |
4104 | { | |
97aff369 | 4105 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
9c12f1e5 RGS |
4106 | #if defined(__LIBCATAMOUNT__) |
4107 | PL_statusvalue = -1; | |
4108 | SP = ORIGMARK; | |
4109 | XPUSHi(-1); | |
4110 | #else | |
a0d0e21e | 4111 | I32 value; |
76ffd3b9 | 4112 | int result; |
a0d0e21e | 4113 | |
bbd7eb8a RD |
4114 | if (PL_tainting) { |
4115 | TAINT_ENV(); | |
4116 | while (++MARK <= SP) { | |
10516c54 | 4117 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 4118 | if (PL_tainted) |
bbd7eb8a RD |
4119 | break; |
4120 | } | |
4121 | MARK = ORIGMARK; | |
5a445156 | 4122 | TAINT_PROPER("system"); |
a0d0e21e | 4123 | } |
45bc9206 | 4124 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 4125 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 | 4126 | { |
eb160463 GS |
4127 | Pid_t childpid; |
4128 | int pp[2]; | |
27da23d5 | 4129 | I32 did_pipes = 0; |
eb160463 GS |
4130 | |
4131 | if (PerlProc_pipe(pp) >= 0) | |
4132 | did_pipes = 1; | |
4133 | while ((childpid = PerlProc_fork()) == -1) { | |
4134 | if (errno != EAGAIN) { | |
4135 | value = -1; | |
4136 | SP = ORIGMARK; | |
b59aed67 | 4137 | XPUSHi(value); |
eb160463 GS |
4138 | if (did_pipes) { |
4139 | PerlLIO_close(pp[0]); | |
4140 | PerlLIO_close(pp[1]); | |
4141 | } | |
4142 | RETURN; | |
4143 | } | |
4144 | sleep(5); | |
4145 | } | |
4146 | if (childpid > 0) { | |
4147 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
4148 | int status; | |
4149 | ||
4150 | if (did_pipes) | |
4151 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4152 | #ifndef PERL_MICRO |
8aad04aa JH |
4153 | rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand); |
4154 | rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand); | |
64ca3a65 | 4155 | #endif |
eb160463 GS |
4156 | do { |
4157 | result = wait4pid(childpid, &status, 0); | |
4158 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4159 | #ifndef PERL_MICRO |
eb160463 GS |
4160 | (void)rsignal_restore(SIGINT, &ihand); |
4161 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4162 | #endif | |
37038d91 | 4163 | STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status); |
eb160463 GS |
4164 | do_execfree(); /* free any memory child malloced on fork */ |
4165 | SP = ORIGMARK; | |
4166 | if (did_pipes) { | |
4167 | int errkid; | |
bb7a0f54 MHM |
4168 | unsigned n = 0; |
4169 | SSize_t n1; | |
eb160463 GS |
4170 | |
4171 | while (n < sizeof(int)) { | |
4172 | n1 = PerlLIO_read(pp[0], | |
4173 | (void*)(((char*)&errkid)+n), | |
4174 | (sizeof(int)) - n); | |
4175 | if (n1 <= 0) | |
4176 | break; | |
4177 | n += n1; | |
4178 | } | |
4179 | PerlLIO_close(pp[0]); | |
4180 | if (n) { /* Error */ | |
4181 | if (n != sizeof(int)) | |
4182 | DIE(aTHX_ "panic: kid popen errno read"); | |
4183 | errno = errkid; /* Propagate errno from kid */ | |
37038d91 | 4184 | STATUS_NATIVE_CHILD_SET(-1); |
eb160463 GS |
4185 | } |
4186 | } | |
b59aed67 | 4187 | XPUSHi(STATUS_CURRENT); |
eb160463 GS |
4188 | RETURN; |
4189 | } | |
4190 | if (did_pipes) { | |
4191 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4192 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
eb160463 | 4193 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); |
d5a9bfb0 | 4194 | #endif |
eb160463 | 4195 | } |
e0a1f643 | 4196 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4197 | SV * const really = *++MARK; |
e0a1f643 JH |
4198 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
4199 | } | |
4200 | else if (SP - MARK != 1) | |
a0714e2c | 4201 | value = (I32)do_aexec5(NULL, MARK, SP, pp[1], did_pipes); |
e0a1f643 | 4202 | else { |
8c074e2a | 4203 | value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes); |
e0a1f643 JH |
4204 | } |
4205 | PerlProc__exit(-1); | |
d5a9bfb0 | 4206 | } |
c3293030 | 4207 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4208 | PL_statusvalue = 0; |
4209 | result = 0; | |
911d147d | 4210 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4211 | SV * const really = *++MARK; |
9ec7171b | 4212 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS) |
54725af6 GS |
4213 | value = (I32)do_aspawn(really, MARK, SP); |
4214 | # else | |
c5be433b | 4215 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
54725af6 | 4216 | # endif |
a0d0e21e | 4217 | } |
54725af6 | 4218 | else if (SP - MARK != 1) { |
9ec7171b | 4219 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS) |
a0714e2c | 4220 | value = (I32)do_aspawn(NULL, MARK, SP); |
54725af6 | 4221 | # else |
a0714e2c | 4222 | value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP); |
54725af6 GS |
4223 | # endif |
4224 | } | |
a0d0e21e | 4225 | else { |
8c074e2a | 4226 | value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4227 | } |
922b1888 GS |
4228 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4229 | result = 1; | |
2fbb330f | 4230 | STATUS_NATIVE_CHILD_SET(value); |
a0d0e21e LW |
4231 | do_execfree(); |
4232 | SP = ORIGMARK; | |
b59aed67 | 4233 | XPUSHi(result ? value : STATUS_CURRENT); |
9c12f1e5 RGS |
4234 | #endif /* !FORK or VMS or OS/2 */ |
4235 | #endif | |
a0d0e21e LW |
4236 | RETURN; |
4237 | } | |
4238 | ||
4239 | PP(pp_exec) | |
4240 | { | |
97aff369 | 4241 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4242 | I32 value; |
4243 | ||
bbd7eb8a RD |
4244 | if (PL_tainting) { |
4245 | TAINT_ENV(); | |
4246 | while (++MARK <= SP) { | |
10516c54 | 4247 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
5a445156 | 4248 | if (PL_tainted) |
bbd7eb8a RD |
4249 | break; |
4250 | } | |
4251 | MARK = ORIGMARK; | |
5a445156 | 4252 | TAINT_PROPER("exec"); |
bbd7eb8a | 4253 | } |
45bc9206 | 4254 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4255 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4256 | SV * const really = *++MARK; |
a0d0e21e LW |
4257 | value = (I32)do_aexec(really, MARK, SP); |
4258 | } | |
4259 | else if (SP - MARK != 1) | |
4260 | #ifdef VMS | |
a0714e2c | 4261 | value = (I32)vms_do_aexec(NULL, MARK, SP); |
a0d0e21e | 4262 | #else |
092bebab JH |
4263 | # ifdef __OPEN_VM |
4264 | { | |
a0714e2c | 4265 | (void ) do_aspawn(NULL, MARK, SP); |
092bebab JH |
4266 | value = 0; |
4267 | } | |
4268 | # else | |
a0714e2c | 4269 | value = (I32)do_aexec(NULL, MARK, SP); |
092bebab | 4270 | # endif |
a0d0e21e LW |
4271 | #endif |
4272 | else { | |
a0d0e21e | 4273 | #ifdef VMS |
8c074e2a | 4274 | value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4275 | #else |
092bebab | 4276 | # ifdef __OPEN_VM |
8c074e2a | 4277 | (void) do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab JH |
4278 | value = 0; |
4279 | # else | |
5dd60a52 | 4280 | value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
092bebab | 4281 | # endif |
a0d0e21e LW |
4282 | #endif |
4283 | } | |
146174a9 | 4284 | |
a0d0e21e | 4285 | SP = ORIGMARK; |
b59aed67 | 4286 | XPUSHi(value); |
a0d0e21e LW |
4287 | RETURN; |
4288 | } | |
4289 | ||
a0d0e21e LW |
4290 | PP(pp_getppid) |
4291 | { | |
4292 | #ifdef HAS_GETPPID | |
97aff369 | 4293 | dVAR; dSP; dTARGET; |
4d76a344 | 4294 | # ifdef THREADS_HAVE_PIDS |
e39f92a7 RGS |
4295 | if (PL_ppid != 1 && getppid() == 1) |
4296 | /* maybe the parent process has died. Refresh ppid cache */ | |
4297 | PL_ppid = 1; | |
4d76a344 RGS |
4298 | XPUSHi( PL_ppid ); |
4299 | # else | |
a0d0e21e | 4300 | XPUSHi( getppid() ); |
4d76a344 | 4301 | # endif |
a0d0e21e LW |
4302 | RETURN; |
4303 | #else | |
cea2e8a9 | 4304 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4305 | #endif |
4306 | } | |
4307 | ||
4308 | PP(pp_getpgrp) | |
4309 | { | |
4310 | #ifdef HAS_GETPGRP | |
97aff369 | 4311 | dVAR; dSP; dTARGET; |
9853a804 | 4312 | Pid_t pgrp; |
0bcc34c2 | 4313 | const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs); |
a0d0e21e | 4314 | |
c3293030 | 4315 | #ifdef BSD_GETPGRP |
9853a804 | 4316 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4317 | #else |
146174a9 | 4318 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4319 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4320 | pgrp = getpgrp(); |
a0d0e21e | 4321 | #endif |
9853a804 | 4322 | XPUSHi(pgrp); |
a0d0e21e LW |
4323 | RETURN; |
4324 | #else | |
cea2e8a9 | 4325 | DIE(aTHX_ PL_no_func, "getpgrp()"); |
a0d0e21e LW |
4326 | #endif |
4327 | } | |
4328 | ||
4329 | PP(pp_setpgrp) | |
4330 | { | |
4331 | #ifdef HAS_SETPGRP | |
97aff369 | 4332 | dVAR; dSP; dTARGET; |
d8a83dd3 JH |
4333 | Pid_t pgrp; |
4334 | Pid_t pid; | |
a0d0e21e LW |
4335 | if (MAXARG < 2) { |
4336 | pgrp = 0; | |
4337 | pid = 0; | |
1f200948 | 4338 | XPUSHi(-1); |
a0d0e21e LW |
4339 | } |
4340 | else { | |
4341 | pgrp = POPi; | |
4342 | pid = TOPi; | |
4343 | } | |
4344 | ||
4345 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4346 | #ifdef BSD_SETPGRP |
4347 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4348 | #else |
146174a9 CB |
4349 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4350 | || (pid != 0 && pid != PerlProc_getpid())) | |
4351 | { | |
4352 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4353 | } | |
a0d0e21e LW |
4354 | SETi( setpgrp() >= 0 ); |
4355 | #endif /* USE_BSDPGRP */ | |
4356 | RETURN; | |
4357 | #else | |
cea2e8a9 | 4358 | DIE(aTHX_ PL_no_func, "setpgrp()"); |
a0d0e21e LW |
4359 | #endif |
4360 | } | |
4361 | ||
8b079db6 | 4362 | #if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || (__GLIBC__ > 2)) |
5baa2e4f RB |
4363 | # define PRIORITY_WHICH_T(which) (__priority_which_t)which |
4364 | #else | |
4365 | # define PRIORITY_WHICH_T(which) which | |
4366 | #endif | |
4367 | ||
a0d0e21e LW |
4368 | PP(pp_getpriority) |
4369 | { | |
a0d0e21e | 4370 | #ifdef HAS_GETPRIORITY |
97aff369 | 4371 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4372 | const int who = POPi; |
4373 | const int which = TOPi; | |
5baa2e4f | 4374 | SETi( getpriority(PRIORITY_WHICH_T(which), who) ); |
a0d0e21e LW |
4375 | RETURN; |
4376 | #else | |
cea2e8a9 | 4377 | DIE(aTHX_ PL_no_func, "getpriority()"); |
a0d0e21e LW |
4378 | #endif |
4379 | } | |
4380 | ||
4381 | PP(pp_setpriority) | |
4382 | { | |
a0d0e21e | 4383 | #ifdef HAS_SETPRIORITY |
97aff369 | 4384 | dVAR; dSP; dTARGET; |
0bcc34c2 AL |
4385 | const int niceval = POPi; |
4386 | const int who = POPi; | |
4387 | const int which = TOPi; | |
a0d0e21e | 4388 | TAINT_PROPER("setpriority"); |
5baa2e4f | 4389 | SETi( setpriority(PRIORITY_WHICH_T(which), who, niceval) >= 0 ); |
a0d0e21e LW |
4390 | RETURN; |
4391 | #else | |
cea2e8a9 | 4392 | DIE(aTHX_ PL_no_func, "setpriority()"); |
a0d0e21e LW |
4393 | #endif |
4394 | } | |
4395 | ||
5baa2e4f RB |
4396 | #undef PRIORITY_WHICH_T |
4397 | ||
a0d0e21e LW |
4398 | /* Time calls. */ |
4399 | ||
4400 | PP(pp_time) | |
4401 | { | |
97aff369 | 4402 | dVAR; dSP; dTARGET; |
cbdc8872 | 4403 | #ifdef BIG_TIME |
4608196e | 4404 | XPUSHn( time(NULL) ); |
cbdc8872 | 4405 | #else |
4608196e | 4406 | XPUSHi( time(NULL) ); |
cbdc8872 | 4407 | #endif |
a0d0e21e LW |
4408 | RETURN; |
4409 | } | |
4410 | ||
a0d0e21e LW |
4411 | PP(pp_tms) |
4412 | { | |
9cad6237 | 4413 | #ifdef HAS_TIMES |
97aff369 | 4414 | dVAR; |
39644a26 | 4415 | dSP; |
a0d0e21e | 4416 | EXTEND(SP, 4); |
a0d0e21e | 4417 | #ifndef VMS |
3280af22 | 4418 | (void)PerlProc_times(&PL_timesbuf); |
a0d0e21e | 4419 | #else |
6b88bc9c | 4420 | (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */ |
76e3520e GS |
4421 | /* struct tms, though same data */ |
4422 | /* is returned. */ | |
a0d0e21e LW |
4423 | #endif |
4424 | ||
6e449a3a | 4425 | mPUSHn(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick); |
a0d0e21e | 4426 | if (GIMME == G_ARRAY) { |
6e449a3a MHM |
4427 | mPUSHn(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick); |
4428 | mPUSHn(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick); | |
4429 | mPUSHn(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick); | |
a0d0e21e LW |
4430 | } |
4431 | RETURN; | |
9cad6237 | 4432 | #else |
2f42fcb0 JH |
4433 | # ifdef PERL_MICRO |
4434 | dSP; | |
6e449a3a | 4435 | mPUSHn(0.0); |
2f42fcb0 JH |
4436 | EXTEND(SP, 4); |
4437 | if (GIMME == G_ARRAY) { | |
6e449a3a MHM |
4438 | mPUSHn(0.0); |
4439 | mPUSHn(0.0); | |
4440 | mPUSHn(0.0); | |
2f42fcb0 JH |
4441 | } |
4442 | RETURN; | |
4443 | # else | |
9cad6237 | 4444 | DIE(aTHX_ "times not implemented"); |
2f42fcb0 | 4445 | # endif |
55497cff | 4446 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4447 | } |
4448 | ||
fc003d4b MS |
4449 | /* The 32 bit int year limits the times we can represent to these |
4450 | boundaries with a few days wiggle room to account for time zone | |
4451 | offsets | |
4452 | */ | |
4453 | /* Sat Jan 3 00:00:00 -2147481748 */ | |
4454 | #define TIME_LOWER_BOUND -67768100567755200.0 | |
4455 | /* Sun Dec 29 12:00:00 2147483647 */ | |
4456 | #define TIME_UPPER_BOUND 67767976233316800.0 | |
4457 | ||
a0d0e21e LW |
4458 | PP(pp_gmtime) |
4459 | { | |
97aff369 | 4460 | dVAR; |
39644a26 | 4461 | dSP; |
a272e669 | 4462 | Time64_T when; |
806a119a MS |
4463 | struct TM tmbuf; |
4464 | struct TM *err; | |
a8cb0261 | 4465 | const char *opname = PL_op->op_type == OP_LOCALTIME ? "localtime" : "gmtime"; |
27da23d5 JH |
4466 | static const char * const dayname[] = |
4467 | {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4468 | static const char * const monname[] = | |
4469 | {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4470 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
a0d0e21e | 4471 | |
a272e669 MS |
4472 | if (MAXARG < 1) { |
4473 | time_t now; | |
4474 | (void)time(&now); | |
4475 | when = (Time64_T)now; | |
4476 | } | |
7315c673 | 4477 | else { |
7eb4f9b7 | 4478 | NV input = Perl_floor(POPn); |
8efababc | 4479 | when = (Time64_T)input; |
a2a5de95 NC |
4480 | if (when != input) { |
4481 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), | |
7eb4f9b7 | 4482 | "%s(%.0" NVff ") too large", opname, input); |
7315c673 MS |
4483 | } |
4484 | } | |
a0d0e21e | 4485 | |
fc003d4b MS |
4486 | if ( TIME_LOWER_BOUND > when ) { |
4487 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), | |
7eb4f9b7 | 4488 | "%s(%.0" NVff ") too small", opname, when); |
fc003d4b MS |
4489 | err = NULL; |
4490 | } | |
4491 | else if( when > TIME_UPPER_BOUND ) { | |
4492 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), | |
7eb4f9b7 | 4493 | "%s(%.0" NVff ") too large", opname, when); |
fc003d4b MS |
4494 | err = NULL; |
4495 | } | |
4496 | else { | |
4497 | if (PL_op->op_type == OP_LOCALTIME) | |
4498 | err = S_localtime64_r(&when, &tmbuf); | |
4499 | else | |
4500 | err = S_gmtime64_r(&when, &tmbuf); | |
4501 | } | |
a0d0e21e | 4502 | |
a2a5de95 | 4503 | if (err == NULL) { |
8efababc | 4504 | /* XXX %lld broken for quads */ |
a2a5de95 | 4505 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), |
7eb4f9b7 | 4506 | "%s(%.0" NVff ") failed", opname, when); |
5b6366c2 | 4507 | } |
a0d0e21e | 4508 | |
a272e669 | 4509 | if (GIMME != G_ARRAY) { /* scalar context */ |
46fc3d4c | 4510 | SV *tsv; |
8efababc MS |
4511 | /* XXX newSVpvf()'s %lld type is broken, so cheat with a double */ |
4512 | double year = (double)tmbuf.tm_year + 1900; | |
4513 | ||
9a5ff6d9 AB |
4514 | EXTEND(SP, 1); |
4515 | EXTEND_MORTAL(1); | |
a272e669 | 4516 | if (err == NULL) |
a0d0e21e | 4517 | RETPUSHUNDEF; |
a272e669 | 4518 | |
8efababc | 4519 | tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %.0f", |
a272e669 MS |
4520 | dayname[tmbuf.tm_wday], |
4521 | monname[tmbuf.tm_mon], | |
4522 | tmbuf.tm_mday, | |
4523 | tmbuf.tm_hour, | |
4524 | tmbuf.tm_min, | |
4525 | tmbuf.tm_sec, | |
8efababc | 4526 | year); |
6e449a3a | 4527 | mPUSHs(tsv); |
a0d0e21e | 4528 | } |
a272e669 MS |
4529 | else { /* list context */ |
4530 | if ( err == NULL ) | |
4531 | RETURN; | |
4532 | ||
9a5ff6d9 AB |
4533 | EXTEND(SP, 9); |
4534 | EXTEND_MORTAL(9); | |
a272e669 MS |
4535 | mPUSHi(tmbuf.tm_sec); |
4536 | mPUSHi(tmbuf.tm_min); | |
4537 | mPUSHi(tmbuf.tm_hour); | |
4538 | mPUSHi(tmbuf.tm_mday); | |
4539 | mPUSHi(tmbuf.tm_mon); | |
7315c673 | 4540 | mPUSHn(tmbuf.tm_year); |
a272e669 MS |
4541 | mPUSHi(tmbuf.tm_wday); |
4542 | mPUSHi(tmbuf.tm_yday); | |
4543 | mPUSHi(tmbuf.tm_isdst); | |
a0d0e21e LW |
4544 | } |
4545 | RETURN; | |
4546 | } | |
4547 | ||
4548 | PP(pp_alarm) | |
4549 | { | |
9cad6237 | 4550 | #ifdef HAS_ALARM |
97aff369 | 4551 | dVAR; dSP; dTARGET; |
a0d0e21e | 4552 | int anum; |
a0d0e21e LW |
4553 | anum = POPi; |
4554 | anum = alarm((unsigned int)anum); | |
a0d0e21e LW |
4555 | if (anum < 0) |
4556 | RETPUSHUNDEF; | |
c6419e06 | 4557 | PUSHi(anum); |
a0d0e21e LW |
4558 | RETURN; |
4559 | #else | |
0322a713 | 4560 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4561 | #endif |
4562 | } | |
4563 | ||
4564 | PP(pp_sleep) | |
4565 | { | |
97aff369 | 4566 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
4567 | I32 duration; |
4568 | Time_t lasttime; | |
4569 | Time_t when; | |
4570 | ||
4571 | (void)time(&lasttime); | |
4572 | if (MAXARG < 1) | |
76e3520e | 4573 | PerlProc_pause(); |
a0d0e21e LW |
4574 | else { |
4575 | duration = POPi; | |
76e3520e | 4576 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4577 | } |
4578 | (void)time(&when); | |
4579 | XPUSHi(when - lasttime); | |
4580 | RETURN; | |
4581 | } | |
4582 | ||
4583 | /* Shared memory. */ | |
c9f7ac20 | 4584 | /* Merged with some message passing. */ |
a0d0e21e | 4585 | |
a0d0e21e LW |
4586 | PP(pp_shmwrite) |
4587 | { | |
4588 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4589 | dVAR; dSP; dMARK; dTARGET; |
c9f7ac20 NC |
4590 | const int op_type = PL_op->op_type; |
4591 | I32 value; | |
a0d0e21e | 4592 | |
c9f7ac20 NC |
4593 | switch (op_type) { |
4594 | case OP_MSGSND: | |
4595 | value = (I32)(do_msgsnd(MARK, SP) >= 0); | |
4596 | break; | |
4597 | case OP_MSGRCV: | |
4598 | value = (I32)(do_msgrcv(MARK, SP) >= 0); | |
4599 | break; | |
ca563b4e NC |
4600 | case OP_SEMOP: |
4601 | value = (I32)(do_semop(MARK, SP) >= 0); | |
4602 | break; | |
c9f7ac20 NC |
4603 | default: |
4604 | value = (I32)(do_shmio(op_type, MARK, SP) >= 0); | |
4605 | break; | |
4606 | } | |
a0d0e21e | 4607 | |
a0d0e21e LW |
4608 | SP = MARK; |
4609 | PUSHi(value); | |
4610 | RETURN; | |
4611 | #else | |
897d3989 | 4612 | return Perl_pp_semget(aTHX); |
a0d0e21e LW |
4613 | #endif |
4614 | } | |
4615 | ||
4616 | /* Semaphores. */ | |
4617 | ||
4618 | PP(pp_semget) | |
4619 | { | |
4620 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4621 | dVAR; dSP; dMARK; dTARGET; |
0bcc34c2 | 4622 | const int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4623 | SP = MARK; |
4624 | if (anum == -1) | |
4625 | RETPUSHUNDEF; | |
4626 | PUSHi(anum); | |
4627 | RETURN; | |
4628 | #else | |
cea2e8a9 | 4629 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4630 | #endif |
4631 | } | |
4632 | ||
4633 | PP(pp_semctl) | |
4634 | { | |
4635 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
97aff369 | 4636 | dVAR; dSP; dMARK; dTARGET; |
0bcc34c2 | 4637 | const int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4638 | SP = MARK; |
4639 | if (anum == -1) | |
4640 | RETSETUNDEF; | |
4641 | if (anum != 0) { | |
4642 | PUSHi(anum); | |
4643 | } | |
4644 | else { | |
8903cb82 | 4645 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4646 | } |
4647 | RETURN; | |
4648 | #else | |
897d3989 | 4649 | return Perl_pp_semget(aTHX); |
a0d0e21e LW |
4650 | #endif |
4651 | } | |
4652 | ||
5cdc4e88 NC |
4653 | /* I can't const this further without getting warnings about the types of |
4654 | various arrays passed in from structures. */ | |
4655 | static SV * | |
4656 | S_space_join_names_mortal(pTHX_ char *const *array) | |
4657 | { | |
7c58897d | 4658 | SV *target; |
5cdc4e88 | 4659 | |
7918f24d NC |
4660 | PERL_ARGS_ASSERT_SPACE_JOIN_NAMES_MORTAL; |
4661 | ||
5cdc4e88 | 4662 | if (array && *array) { |
84bafc02 | 4663 | target = newSVpvs_flags("", SVs_TEMP); |
5cdc4e88 NC |
4664 | while (1) { |
4665 | sv_catpv(target, *array); | |
4666 | if (!*++array) | |
4667 | break; | |
4668 | sv_catpvs(target, " "); | |
4669 | } | |
7c58897d NC |
4670 | } else { |
4671 | target = sv_mortalcopy(&PL_sv_no); | |
5cdc4e88 NC |
4672 | } |
4673 | return target; | |
4674 | } | |
4675 | ||
a0d0e21e LW |
4676 | /* Get system info. */ |
4677 | ||
a0d0e21e LW |
4678 | PP(pp_ghostent) |
4679 | { | |
693762b4 | 4680 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
97aff369 | 4681 | dVAR; dSP; |
533c011a | 4682 | I32 which = PL_op->op_type; |
a0d0e21e LW |
4683 | register char **elem; |
4684 | register SV *sv; | |
dc45a647 | 4685 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4686 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4687 | struct hostent *gethostbyname(Netdb_name_t); | |
4688 | struct hostent *gethostent(void); | |
a0d0e21e | 4689 | #endif |
07822e36 | 4690 | struct hostent *hent = NULL; |
a0d0e21e LW |
4691 | unsigned long len; |
4692 | ||
4693 | EXTEND(SP, 10); | |
edd309b7 | 4694 | if (which == OP_GHBYNAME) { |
dc45a647 | 4695 | #ifdef HAS_GETHOSTBYNAME |
0bcc34c2 | 4696 | const char* const name = POPpbytex; |
edd309b7 | 4697 | hent = PerlSock_gethostbyname(name); |
dc45a647 | 4698 | #else |
cea2e8a9 | 4699 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4700 | #endif |
edd309b7 | 4701 | } |
a0d0e21e | 4702 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4703 | #ifdef HAS_GETHOSTBYADDR |
0bcc34c2 AL |
4704 | const int addrtype = POPi; |
4705 | SV * const addrsv = POPs; | |
a0d0e21e | 4706 | STRLEN addrlen; |
48fc4736 | 4707 | const char *addr = (char *)SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4708 | |
48fc4736 | 4709 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4710 | #else |
cea2e8a9 | 4711 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4712 | #endif |
a0d0e21e LW |
4713 | } |
4714 | else | |
4715 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4716 | hent = PerlSock_gethostent(); |
a0d0e21e | 4717 | #else |
cea2e8a9 | 4718 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4719 | #endif |
4720 | ||
4721 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4722 | if (!hent) { |
4723 | #ifdef USE_REENTRANT_API | |
4724 | # ifdef USE_GETHOSTENT_ERRNO | |
4725 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4726 | # endif | |
4727 | #endif | |
37038d91 | 4728 | STATUS_UNIX_SET(h_errno); |
10bc17b6 | 4729 | } |
a0d0e21e LW |
4730 | #endif |
4731 | ||
4732 | if (GIMME != G_ARRAY) { | |
4733 | PUSHs(sv = sv_newmortal()); | |
4734 | if (hent) { | |
4735 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4736 | if (hent->h_addr) |
4737 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4738 | } |
4739 | else | |
4740 | sv_setpv(sv, (char*)hent->h_name); | |
4741 | } | |
4742 | RETURN; | |
4743 | } | |
4744 | ||
4745 | if (hent) { | |
6e449a3a | 4746 | mPUSHs(newSVpv((char*)hent->h_name, 0)); |
931e0695 | 4747 | PUSHs(space_join_names_mortal(hent->h_aliases)); |
6e449a3a | 4748 | mPUSHi(hent->h_addrtype); |
a0d0e21e | 4749 | len = hent->h_length; |
6e449a3a | 4750 | mPUSHi(len); |
a0d0e21e LW |
4751 | #ifdef h_addr |
4752 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
6e449a3a | 4753 | mXPUSHp(*elem, len); |
a0d0e21e LW |
4754 | } |
4755 | #else | |
fd0af264 | 4756 | if (hent->h_addr) |
22f1178f | 4757 | mPUSHp(hent->h_addr, len); |
7c58897d NC |
4758 | else |
4759 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a0d0e21e LW |
4760 | #endif /* h_addr */ |
4761 | } | |
4762 | RETURN; | |
4763 | #else | |
7844cc62 | 4764 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
4765 | #endif |
4766 | } | |
4767 | ||
a0d0e21e LW |
4768 | PP(pp_gnetent) |
4769 | { | |
693762b4 | 4770 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
97aff369 | 4771 | dVAR; dSP; |
533c011a | 4772 | I32 which = PL_op->op_type; |
a0d0e21e | 4773 | register SV *sv; |
dc45a647 | 4774 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4775 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4776 | struct netent *getnetbyname(Netdb_name_t); | |
4777 | struct netent *getnetent(void); | |
8ac85365 | 4778 | #endif |
a0d0e21e LW |
4779 | struct netent *nent; |
4780 | ||
edd309b7 | 4781 | if (which == OP_GNBYNAME){ |
dc45a647 | 4782 | #ifdef HAS_GETNETBYNAME |
0bcc34c2 | 4783 | const char * const name = POPpbytex; |
edd309b7 | 4784 | nent = PerlSock_getnetbyname(name); |
dc45a647 | 4785 | #else |
cea2e8a9 | 4786 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4787 | #endif |
edd309b7 | 4788 | } |
a0d0e21e | 4789 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4790 | #ifdef HAS_GETNETBYADDR |
0bcc34c2 AL |
4791 | const int addrtype = POPi; |
4792 | const Netdb_net_t addr = (Netdb_net_t) (U32)POPu; | |
76e3520e | 4793 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4794 | #else |
cea2e8a9 | 4795 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4796 | #endif |
a0d0e21e LW |
4797 | } |
4798 | else | |
dc45a647 | 4799 | #ifdef HAS_GETNETENT |
76e3520e | 4800 | nent = PerlSock_getnetent(); |
dc45a647 | 4801 | #else |
cea2e8a9 | 4802 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4803 | #endif |
a0d0e21e | 4804 | |
10bc17b6 JH |
4805 | #ifdef HOST_NOT_FOUND |
4806 | if (!nent) { | |
4807 | #ifdef USE_REENTRANT_API | |
4808 | # ifdef USE_GETNETENT_ERRNO | |
4809 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4810 | # endif | |
4811 | #endif | |
37038d91 | 4812 | STATUS_UNIX_SET(h_errno); |
10bc17b6 JH |
4813 | } |
4814 | #endif | |
4815 | ||
a0d0e21e LW |
4816 | EXTEND(SP, 4); |
4817 | if (GIMME != G_ARRAY) { | |
4818 | PUSHs(sv = sv_newmortal()); | |
4819 | if (nent) { | |
4820 | if (which == OP_GNBYNAME) | |
1e422769 | 4821 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4822 | else |
4823 | sv_setpv(sv, nent->n_name); | |
4824 | } | |
4825 | RETURN; | |
4826 | } | |
4827 | ||
4828 | if (nent) { | |
6e449a3a | 4829 | mPUSHs(newSVpv(nent->n_name, 0)); |
931e0695 | 4830 | PUSHs(space_join_names_mortal(nent->n_aliases)); |
6e449a3a MHM |
4831 | mPUSHi(nent->n_addrtype); |
4832 | mPUSHi(nent->n_net); | |
a0d0e21e LW |
4833 | } |
4834 | ||
4835 | RETURN; | |
4836 | #else | |
7844cc62 | 4837 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
4838 | #endif |
4839 | } | |
4840 | ||
a0d0e21e LW |
4841 | PP(pp_gprotoent) |
4842 | { | |
693762b4 | 4843 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
97aff369 | 4844 | dVAR; dSP; |
533c011a | 4845 | I32 which = PL_op->op_type; |
301e8125 | 4846 | register SV *sv; |
dc45a647 | 4847 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4848 | struct protoent *getprotobyname(Netdb_name_t); |
4849 | struct protoent *getprotobynumber(int); | |
4850 | struct protoent *getprotoent(void); | |
8ac85365 | 4851 | #endif |
a0d0e21e LW |
4852 | struct protoent *pent; |
4853 | ||
edd309b7 | 4854 | if (which == OP_GPBYNAME) { |
e5c9fcd0 | 4855 | #ifdef HAS_GETPROTOBYNAME |
0bcc34c2 | 4856 | const char* const name = POPpbytex; |
edd309b7 | 4857 | pent = PerlSock_getprotobyname(name); |
e5c9fcd0 | 4858 | #else |
cea2e8a9 | 4859 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 4860 | #endif |
edd309b7 JH |
4861 | } |
4862 | else if (which == OP_GPBYNUMBER) { | |
e5c9fcd0 | 4863 | #ifdef HAS_GETPROTOBYNUMBER |
0bcc34c2 | 4864 | const int number = POPi; |
edd309b7 | 4865 | pent = PerlSock_getprotobynumber(number); |
e5c9fcd0 | 4866 | #else |
edd309b7 | 4867 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 4868 | #endif |
edd309b7 | 4869 | } |
a0d0e21e | 4870 | else |
e5c9fcd0 | 4871 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 4872 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 4873 | #else |
cea2e8a9 | 4874 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 4875 | #endif |
a0d0e21e LW |
4876 | |
4877 | EXTEND(SP, 3); | |
4878 | if (GIMME != G_ARRAY) { | |
4879 | PUSHs(sv = sv_newmortal()); | |
4880 | if (pent) { | |
4881 | if (which == OP_GPBYNAME) | |
1e422769 | 4882 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
4883 | else |
4884 | sv_setpv(sv, pent->p_name); | |
4885 | } | |
4886 | RETURN; | |
4887 | } | |
4888 | ||
4889 | if (pent) { | |
6e449a3a | 4890 | mPUSHs(newSVpv(pent->p_name, 0)); |
931e0695 | 4891 | PUSHs(space_join_names_mortal(pent->p_aliases)); |
6e449a3a | 4892 | mPUSHi(pent->p_proto); |
a0d0e21e LW |
4893 | } |
4894 | ||
4895 | RETURN; | |
4896 | #else | |
7844cc62 | 4897 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
4898 | #endif |
4899 | } | |
4900 | ||
a0d0e21e LW |
4901 | PP(pp_gservent) |
4902 | { | |
693762b4 | 4903 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
97aff369 | 4904 | dVAR; dSP; |
533c011a | 4905 | I32 which = PL_op->op_type; |
a0d0e21e | 4906 | register SV *sv; |
dc45a647 | 4907 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4908 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
4909 | struct servent *getservbyport(int, Netdb_name_t); | |
4910 | struct servent *getservent(void); | |
8ac85365 | 4911 | #endif |
a0d0e21e LW |
4912 | struct servent *sent; |
4913 | ||
4914 | if (which == OP_GSBYNAME) { | |
dc45a647 | 4915 | #ifdef HAS_GETSERVBYNAME |
0bcc34c2 AL |
4916 | const char * const proto = POPpbytex; |
4917 | const char * const name = POPpbytex; | |
bd61b366 | 4918 | sent = PerlSock_getservbyname(name, (proto && !*proto) ? NULL : proto); |
dc45a647 | 4919 | #else |
cea2e8a9 | 4920 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 4921 | #endif |
a0d0e21e LW |
4922 | } |
4923 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 4924 | #ifdef HAS_GETSERVBYPORT |
0bcc34c2 | 4925 | const char * const proto = POPpbytex; |
eb160463 | 4926 | unsigned short port = (unsigned short)POPu; |
36477c24 | 4927 | #ifdef HAS_HTONS |
6ad3d225 | 4928 | port = PerlSock_htons(port); |
36477c24 | 4929 | #endif |
bd61b366 | 4930 | sent = PerlSock_getservbyport(port, (proto && !*proto) ? NULL : proto); |
dc45a647 | 4931 | #else |
cea2e8a9 | 4932 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 4933 | #endif |
a0d0e21e LW |
4934 | } |
4935 | else | |
e5c9fcd0 | 4936 | #ifdef HAS_GETSERVENT |
6ad3d225 | 4937 | sent = PerlSock_getservent(); |
e5c9fcd0 | 4938 | #else |
cea2e8a9 | 4939 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 4940 | #endif |
a0d0e21e LW |
4941 | |
4942 | EXTEND(SP, 4); | |
4943 | if (GIMME != G_ARRAY) { | |
4944 | PUSHs(sv = sv_newmortal()); | |
4945 | if (sent) { | |
4946 | if (which == OP_GSBYNAME) { | |
4947 | #ifdef HAS_NTOHS | |
6ad3d225 | 4948 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4949 | #else |
1e422769 | 4950 | sv_setiv(sv, (IV)(sent->s_port)); |
a0d0e21e LW |
4951 | #endif |
4952 | } | |
4953 | else | |
4954 | sv_setpv(sv, sent->s_name); | |
4955 | } | |
4956 | RETURN; | |
4957 | } | |
4958 | ||
4959 | if (sent) { | |
6e449a3a | 4960 | mPUSHs(newSVpv(sent->s_name, 0)); |
931e0695 | 4961 | PUSHs(space_join_names_mortal(sent->s_aliases)); |
a0d0e21e | 4962 | #ifdef HAS_NTOHS |
6e449a3a | 4963 | mPUSHi(PerlSock_ntohs(sent->s_port)); |
a0d0e21e | 4964 | #else |
6e449a3a | 4965 | mPUSHi(sent->s_port); |
a0d0e21e | 4966 | #endif |
6e449a3a | 4967 | mPUSHs(newSVpv(sent->s_proto, 0)); |
a0d0e21e LW |
4968 | } |
4969 | ||
4970 | RETURN; | |
4971 | #else | |
7844cc62 | 4972 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
4973 | #endif |
4974 | } | |
4975 | ||
4976 | PP(pp_shostent) | |
4977 | { | |
97aff369 | 4978 | dVAR; dSP; |
396166e1 NC |
4979 | const int stayopen = TOPi; |
4980 | switch(PL_op->op_type) { | |
4981 | case OP_SHOSTENT: | |
4982 | #ifdef HAS_SETHOSTENT | |
4983 | PerlSock_sethostent(stayopen); | |
a0d0e21e | 4984 | #else |
396166e1 | 4985 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 4986 | #endif |
396166e1 | 4987 | break; |
693762b4 | 4988 | #ifdef HAS_SETNETENT |
396166e1 NC |
4989 | case OP_SNETENT: |
4990 | PerlSock_setnetent(stayopen); | |
a0d0e21e | 4991 | #else |
396166e1 | 4992 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 4993 | #endif |
396166e1 NC |
4994 | break; |
4995 | case OP_SPROTOENT: | |
693762b4 | 4996 | #ifdef HAS_SETPROTOENT |
396166e1 | 4997 | PerlSock_setprotoent(stayopen); |
a0d0e21e | 4998 | #else |
396166e1 | 4999 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5000 | #endif |
396166e1 NC |
5001 | break; |
5002 | case OP_SSERVENT: | |
693762b4 | 5003 | #ifdef HAS_SETSERVENT |
396166e1 | 5004 | PerlSock_setservent(stayopen); |
a0d0e21e | 5005 | #else |
396166e1 | 5006 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5007 | #endif |
396166e1 NC |
5008 | break; |
5009 | } | |
5010 | RETSETYES; | |
a0d0e21e LW |
5011 | } |
5012 | ||
5013 | PP(pp_ehostent) | |
5014 | { | |
97aff369 | 5015 | dVAR; dSP; |
d8ef1fcd NC |
5016 | switch(PL_op->op_type) { |
5017 | case OP_EHOSTENT: | |
5018 | #ifdef HAS_ENDHOSTENT | |
5019 | PerlSock_endhostent(); | |
a0d0e21e | 5020 | #else |
d8ef1fcd | 5021 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5022 | #endif |
d8ef1fcd NC |
5023 | break; |
5024 | case OP_ENETENT: | |
693762b4 | 5025 | #ifdef HAS_ENDNETENT |
d8ef1fcd | 5026 | PerlSock_endnetent(); |
a0d0e21e | 5027 | #else |
d8ef1fcd | 5028 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5029 | #endif |
d8ef1fcd NC |
5030 | break; |
5031 | case OP_EPROTOENT: | |
693762b4 | 5032 | #ifdef HAS_ENDPROTOENT |
d8ef1fcd | 5033 | PerlSock_endprotoent(); |
a0d0e21e | 5034 | #else |
d8ef1fcd | 5035 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5036 | #endif |
d8ef1fcd NC |
5037 | break; |
5038 | case OP_ESERVENT: | |
693762b4 | 5039 | #ifdef HAS_ENDSERVENT |
d8ef1fcd | 5040 | PerlSock_endservent(); |
a0d0e21e | 5041 | #else |
d8ef1fcd | 5042 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5043 | #endif |
d8ef1fcd | 5044 | break; |
720d5dbf NC |
5045 | case OP_SGRENT: |
5046 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) | |
5047 | setgrent(); | |
5048 | #else | |
5049 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5050 | #endif | |
5051 | break; | |
5052 | case OP_EGRENT: | |
5053 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) | |
5054 | endgrent(); | |
5055 | #else | |
5056 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5057 | #endif | |
5058 | break; | |
5059 | case OP_SPWENT: | |
5060 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) | |
5061 | setpwent(); | |
5062 | #else | |
5063 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5064 | #endif | |
5065 | break; | |
5066 | case OP_EPWENT: | |
5067 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) | |
5068 | endpwent(); | |
5069 | #else | |
5070 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5071 | #endif | |
5072 | break; | |
d8ef1fcd NC |
5073 | } |
5074 | EXTEND(SP,1); | |
5075 | RETPUSHYES; | |
a0d0e21e LW |
5076 | } |
5077 | ||
a0d0e21e LW |
5078 | PP(pp_gpwent) |
5079 | { | |
0994c4d0 | 5080 | #ifdef HAS_PASSWD |
97aff369 | 5081 | dVAR; dSP; |
533c011a | 5082 | I32 which = PL_op->op_type; |
a0d0e21e | 5083 | register SV *sv; |
e3aefe8d | 5084 | struct passwd *pwent = NULL; |
301e8125 | 5085 | /* |
bcf53261 JH |
5086 | * We currently support only the SysV getsp* shadow password interface. |
5087 | * The interface is declared in <shadow.h> and often one needs to link | |
5088 | * with -lsecurity or some such. | |
5089 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
5090 | * (and SCO?) | |
5091 | * | |
5092 | * AIX getpwnam() is clever enough to return the encrypted password | |
5093 | * only if the caller (euid?) is root. | |
5094 | * | |
e549f1c5 | 5095 | * There are at least three other shadow password APIs. Many platforms |
bcf53261 JH |
5096 | * seem to contain more than one interface for accessing the shadow |
5097 | * password databases, possibly for compatibility reasons. | |
3813c136 | 5098 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
5099 | * are much more complicated, but also very similar to each other. |
5100 | * | |
5101 | * <sys/types.h> | |
5102 | * <sys/security.h> | |
5103 | * <prot.h> | |
5104 | * struct pr_passwd *getprpw*(); | |
5105 | * The password is in | |
3813c136 JH |
5106 | * char getprpw*(...).ufld.fd_encrypt[] |
5107 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
5108 | * |
5109 | * <sys/types.h> | |
5110 | * <sys/security.h> | |
5111 | * <prot.h> | |
5112 | * struct es_passwd *getespw*(); | |
5113 | * The password is in | |
5114 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 5115 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 5116 | * |
e1920a95 | 5117 | * <userpw.h> (AIX) |
e549f1c5 JH |
5118 | * struct userpw *getuserpw(); |
5119 | * The password is in | |
5120 | * char *(getuserpw(...)).spw_upw_passwd | |
5121 | * (but the de facto standard getpwnam() should work okay) | |
5122 | * | |
3813c136 | 5123 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
5124 | * |
5125 | * In HP-UX for getprpw*() the manual page claims that one should include | |
5126 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
5127 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
5128 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
5129 | * |
5130 | * Note that <sys/security.h> is already probed for, but currently | |
5131 | * it is only included in special cases. | |
301e8125 | 5132 | * |
bcf53261 JH |
5133 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
5134 | * be preferred interface, even though also the getprpw*() interface | |
5135 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
5136 | * One also needs to call set_auth_parameters() in main() before |
5137 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
5138 | * | |
5139 | * Note that accessing the shadow databases can be magnitudes | |
5140 | * slower than accessing the standard databases. | |
bcf53261 JH |
5141 | * |
5142 | * --jhi | |
5143 | */ | |
a0d0e21e | 5144 | |
9e5f0c48 JH |
5145 | # if defined(__CYGWIN__) && defined(USE_REENTRANT_API) |
5146 | /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r(): | |
5147 | * the pw_comment is left uninitialized. */ | |
5148 | PL_reentrant_buffer->_pwent_struct.pw_comment = NULL; | |
5149 | # endif | |
5150 | ||
e3aefe8d JH |
5151 | switch (which) { |
5152 | case OP_GPWNAM: | |
edd309b7 | 5153 | { |
0bcc34c2 | 5154 | const char* const name = POPpbytex; |
edd309b7 JH |
5155 | pwent = getpwnam(name); |
5156 | } | |
5157 | break; | |
e3aefe8d | 5158 | case OP_GPWUID: |
edd309b7 JH |
5159 | { |
5160 | Uid_t uid = POPi; | |
5161 | pwent = getpwuid(uid); | |
5162 | } | |
e3aefe8d JH |
5163 | break; |
5164 | case OP_GPWENT: | |
1883634f | 5165 | # ifdef HAS_GETPWENT |
e3aefe8d | 5166 | pwent = getpwent(); |
faea9016 IRC |
5167 | #ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */ |
5168 | if (pwent) pwent = getpwnam(pwent->pw_name); | |
5169 | #endif | |
1883634f | 5170 | # else |
a45d1c96 | 5171 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5172 | # endif |
e3aefe8d JH |
5173 | break; |
5174 | } | |
8c0bfa08 | 5175 | |
a0d0e21e LW |
5176 | EXTEND(SP, 10); |
5177 | if (GIMME != G_ARRAY) { | |
5178 | PUSHs(sv = sv_newmortal()); | |
5179 | if (pwent) { | |
5180 | if (which == OP_GPWNAM) | |
1883634f | 5181 | # if Uid_t_sign <= 0 |
1e422769 | 5182 | sv_setiv(sv, (IV)pwent->pw_uid); |
1883634f | 5183 | # else |
23dcd6c8 | 5184 | sv_setuv(sv, (UV)pwent->pw_uid); |
1883634f | 5185 | # endif |
a0d0e21e LW |
5186 | else |
5187 | sv_setpv(sv, pwent->pw_name); | |
5188 | } | |
5189 | RETURN; | |
5190 | } | |
5191 | ||
5192 | if (pwent) { | |
6e449a3a | 5193 | mPUSHs(newSVpv(pwent->pw_name, 0)); |
6ee623d5 | 5194 | |
6e449a3a MHM |
5195 | sv = newSViv(0); |
5196 | mPUSHs(sv); | |
3813c136 JH |
5197 | /* If we have getspnam(), we try to dig up the shadow |
5198 | * password. If we are underprivileged, the shadow | |
5199 | * interface will set the errno to EACCES or similar, | |
5200 | * and return a null pointer. If this happens, we will | |
5201 | * use the dummy password (usually "*" or "x") from the | |
5202 | * standard password database. | |
5203 | * | |
5204 | * In theory we could skip the shadow call completely | |
5205 | * if euid != 0 but in practice we cannot know which | |
5206 | * security measures are guarding the shadow databases | |
5207 | * on a random platform. | |
5208 | * | |
5209 | * Resist the urge to use additional shadow interfaces. | |
5210 | * Divert the urge to writing an extension instead. | |
5211 | * | |
5212 | * --jhi */ | |
e549f1c5 JH |
5213 | /* Some AIX setups falsely(?) detect some getspnam(), which |
5214 | * has a different API than the Solaris/IRIX one. */ | |
5215 | # if defined(HAS_GETSPNAM) && !defined(_AIX) | |
3813c136 | 5216 | { |
4ee39169 | 5217 | dSAVE_ERRNO; |
0bcc34c2 AL |
5218 | const struct spwd * const spwent = getspnam(pwent->pw_name); |
5219 | /* Save and restore errno so that | |
3813c136 | 5220 | * underprivileged attempts seem |
486ec47a | 5221 | * to have never made the unsuccessful |
3813c136 | 5222 | * attempt to retrieve the shadow password. */ |
4ee39169 | 5223 | RESTORE_ERRNO; |
3813c136 JH |
5224 | if (spwent && spwent->sp_pwdp) |
5225 | sv_setpv(sv, spwent->sp_pwdp); | |
5226 | } | |
f1066039 | 5227 | # endif |
e020c87d | 5228 | # ifdef PWPASSWD |
3813c136 JH |
5229 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5230 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5231 | # endif |
3813c136 | 5232 | |
1883634f | 5233 | # ifndef INCOMPLETE_TAINTS |
3813c136 JH |
5234 | /* passwd is tainted because user himself can diddle with it. |
5235 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5236 | SvTAINTED_on(sv); |
1883634f | 5237 | # endif |
6ee623d5 | 5238 | |
1883634f | 5239 | # if Uid_t_sign <= 0 |
6e449a3a | 5240 | mPUSHi(pwent->pw_uid); |
1883634f | 5241 | # else |
6e449a3a | 5242 | mPUSHu(pwent->pw_uid); |
1883634f | 5243 | # endif |
6ee623d5 | 5244 | |
1883634f | 5245 | # if Uid_t_sign <= 0 |
6e449a3a | 5246 | mPUSHi(pwent->pw_gid); |
1883634f | 5247 | # else |
6e449a3a | 5248 | mPUSHu(pwent->pw_gid); |
1883634f | 5249 | # endif |
3813c136 JH |
5250 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5251 | * because of the poor interface of the Perl getpw*(), | |
5252 | * not because there's some standard/convention saying so. | |
5253 | * A better interface would have been to return a hash, | |
5254 | * but we are accursed by our history, alas. --jhi. */ | |
1883634f | 5255 | # ifdef PWCHANGE |
6e449a3a | 5256 | mPUSHi(pwent->pw_change); |
6ee623d5 | 5257 | # else |
1883634f | 5258 | # ifdef PWQUOTA |
6e449a3a | 5259 | mPUSHi(pwent->pw_quota); |
1883634f | 5260 | # else |
a1757be1 | 5261 | # ifdef PWAGE |
6e449a3a | 5262 | mPUSHs(newSVpv(pwent->pw_age, 0)); |
7c58897d NC |
5263 | # else |
5264 | /* I think that you can never get this compiled, but just in case. */ | |
5265 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a1757be1 | 5266 | # endif |
6ee623d5 GS |
5267 | # endif |
5268 | # endif | |
6ee623d5 | 5269 | |
3813c136 JH |
5270 | /* pw_class and pw_comment are mutually exclusive--. |
5271 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
1883634f | 5272 | # ifdef PWCLASS |
6e449a3a | 5273 | mPUSHs(newSVpv(pwent->pw_class, 0)); |
1883634f JH |
5274 | # else |
5275 | # ifdef PWCOMMENT | |
6e449a3a | 5276 | mPUSHs(newSVpv(pwent->pw_comment, 0)); |
7c58897d NC |
5277 | # else |
5278 | /* I think that you can never get this compiled, but just in case. */ | |
5279 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
1883634f | 5280 | # endif |
6ee623d5 | 5281 | # endif |
6ee623d5 | 5282 | |
1883634f | 5283 | # ifdef PWGECOS |
7c58897d NC |
5284 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_gecos, 0))); |
5285 | # else | |
c4c533cb | 5286 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f JH |
5287 | # endif |
5288 | # ifndef INCOMPLETE_TAINTS | |
d2719217 | 5289 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5290 | SvTAINTED_on(sv); |
1883634f | 5291 | # endif |
6ee623d5 | 5292 | |
6e449a3a | 5293 | mPUSHs(newSVpv(pwent->pw_dir, 0)); |
6ee623d5 | 5294 | |
7c58897d | 5295 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_shell, 0))); |
1883634f | 5296 | # ifndef INCOMPLETE_TAINTS |
4602f195 JH |
5297 | /* pw_shell is tainted because user himself can diddle with it. */ |
5298 | SvTAINTED_on(sv); | |
1883634f | 5299 | # endif |
6ee623d5 | 5300 | |
1883634f | 5301 | # ifdef PWEXPIRE |
6e449a3a | 5302 | mPUSHi(pwent->pw_expire); |
1883634f | 5303 | # endif |
a0d0e21e LW |
5304 | } |
5305 | RETURN; | |
5306 | #else | |
af51a00e | 5307 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5308 | #endif |
5309 | } | |
5310 | ||
a0d0e21e LW |
5311 | PP(pp_ggrent) |
5312 | { | |
0994c4d0 | 5313 | #ifdef HAS_GROUP |
97aff369 | 5314 | dVAR; dSP; |
6136c704 AL |
5315 | const I32 which = PL_op->op_type; |
5316 | const struct group *grent; | |
a0d0e21e | 5317 | |
edd309b7 | 5318 | if (which == OP_GGRNAM) { |
0bcc34c2 | 5319 | const char* const name = POPpbytex; |
6136c704 | 5320 | grent = (const struct group *)getgrnam(name); |
edd309b7 JH |
5321 | } |
5322 | else if (which == OP_GGRGID) { | |
0bcc34c2 | 5323 | const Gid_t gid = POPi; |
6136c704 | 5324 | grent = (const struct group *)getgrgid(gid); |
edd309b7 | 5325 | } |
a0d0e21e | 5326 | else |
0994c4d0 | 5327 | #ifdef HAS_GETGRENT |
a0d0e21e | 5328 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5329 | #else |
5330 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5331 | #endif | |
a0d0e21e LW |
5332 | |
5333 | EXTEND(SP, 4); | |
5334 | if (GIMME != G_ARRAY) { | |
6136c704 AL |
5335 | SV * const sv = sv_newmortal(); |
5336 | ||
5337 | PUSHs(sv); | |
a0d0e21e LW |
5338 | if (grent) { |
5339 | if (which == OP_GGRNAM) | |
f325df1b | 5340 | #if Gid_t_sign <= 0 |
1e422769 | 5341 | sv_setiv(sv, (IV)grent->gr_gid); |
f325df1b DS |
5342 | #else |
5343 | sv_setuv(sv, (UV)grent->gr_gid); | |
5344 | #endif | |
a0d0e21e LW |
5345 | else |
5346 | sv_setpv(sv, grent->gr_name); | |
5347 | } | |
5348 | RETURN; | |
5349 | } | |
5350 | ||
5351 | if (grent) { | |
6e449a3a | 5352 | mPUSHs(newSVpv(grent->gr_name, 0)); |
28e8609d | 5353 | |
28e8609d | 5354 | #ifdef GRPASSWD |
6e449a3a | 5355 | mPUSHs(newSVpv(grent->gr_passwd, 0)); |
7c58897d NC |
5356 | #else |
5357 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
28e8609d JH |
5358 | #endif |
5359 | ||
f325df1b | 5360 | #if Gid_t_sign <= 0 |
6e449a3a | 5361 | mPUSHi(grent->gr_gid); |
f325df1b DS |
5362 | #else |
5363 | mPUSHu(grent->gr_gid); | |
5364 | #endif | |
28e8609d | 5365 | |
5b56e7c5 | 5366 | #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) |
3d7e8424 JH |
5367 | /* In UNICOS/mk (_CRAYMPP) the multithreading |
5368 | * versions (getgrnam_r, getgrgid_r) | |
5369 | * seem to return an illegal pointer | |
5370 | * as the group members list, gr_mem. | |
5371 | * getgrent() doesn't even have a _r version | |
5372 | * but the gr_mem is poisonous anyway. | |
5373 | * So yes, you cannot get the list of group | |
5374 | * members if building multithreaded in UNICOS/mk. */ | |
931e0695 | 5375 | PUSHs(space_join_names_mortal(grent->gr_mem)); |
3d7e8424 | 5376 | #endif |
a0d0e21e LW |
5377 | } |
5378 | ||
5379 | RETURN; | |
5380 | #else | |
af51a00e | 5381 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5382 | #endif |
5383 | } | |
5384 | ||
a0d0e21e LW |
5385 | PP(pp_getlogin) |
5386 | { | |
a0d0e21e | 5387 | #ifdef HAS_GETLOGIN |
97aff369 | 5388 | dVAR; dSP; dTARGET; |
a0d0e21e LW |
5389 | char *tmps; |
5390 | EXTEND(SP, 1); | |
76e3520e | 5391 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e | 5392 | RETPUSHUNDEF; |
bee8aa44 NC |
5393 | sv_setpv_mg(TARG, tmps); |
5394 | PUSHs(TARG); | |
a0d0e21e LW |
5395 | RETURN; |
5396 | #else | |
cea2e8a9 | 5397 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5398 | #endif |
5399 | } | |
5400 | ||
5401 | /* Miscellaneous. */ | |
5402 | ||
5403 | PP(pp_syscall) | |
5404 | { | |
d2719217 | 5405 | #ifdef HAS_SYSCALL |
97aff369 | 5406 | dVAR; dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
5407 | register I32 items = SP - MARK; |
5408 | unsigned long a[20]; | |
5409 | register I32 i = 0; | |
5410 | I32 retval = -1; | |
5411 | ||
3280af22 | 5412 | if (PL_tainting) { |
a0d0e21e | 5413 | while (++MARK <= SP) { |
bbce6d69 | 5414 | if (SvTAINTED(*MARK)) { |
5415 | TAINT; | |
5416 | break; | |
5417 | } | |
a0d0e21e LW |
5418 | } |
5419 | MARK = ORIGMARK; | |
5420 | TAINT_PROPER("syscall"); | |
5421 | } | |
5422 | ||
5423 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5424 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5425 | * not likely have syscall implemented either, so who cares? | |
5426 | */ | |
5427 | while (++MARK <= SP) { | |
5428 | if (SvNIOK(*MARK) || !i) | |
5429 | a[i++] = SvIV(*MARK); | |
3280af22 | 5430 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5431 | a[i++] = 0; |
301e8125 | 5432 | else |
8b6b16e7 | 5433 | a[i++] = (unsigned long)SvPV_force_nolen(*MARK); |
a0d0e21e LW |
5434 | if (i > 15) |
5435 | break; | |
5436 | } | |
5437 | switch (items) { | |
5438 | default: | |
cea2e8a9 | 5439 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5440 | case 0: |
cea2e8a9 | 5441 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5442 | case 1: |
5443 | retval = syscall(a[0]); | |
5444 | break; | |
5445 | case 2: | |
5446 | retval = syscall(a[0],a[1]); | |
5447 | break; | |
5448 | case 3: | |
5449 | retval = syscall(a[0],a[1],a[2]); | |
5450 | break; | |
5451 | case 4: | |
5452 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5453 | break; | |
5454 | case 5: | |
5455 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5456 | break; | |
5457 | case 6: | |
5458 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5459 | break; | |
5460 | case 7: | |
5461 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5462 | break; | |
5463 | case 8: | |
5464 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5465 | break; | |
5466 | #ifdef atarist | |
5467 | case 9: | |
5468 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); | |
5469 | break; | |
5470 | case 10: | |
5471 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]); | |
5472 | break; | |
5473 | case 11: | |
5474 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5475 | a[10]); | |
5476 | break; | |
5477 | case 12: | |
5478 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5479 | a[10],a[11]); | |
5480 | break; | |
5481 | case 13: | |
5482 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5483 | a[10],a[11],a[12]); | |
5484 | break; | |
5485 | case 14: | |
5486 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9], | |
5487 | a[10],a[11],a[12],a[13]); | |
5488 | break; | |
5489 | #endif /* atarist */ | |
5490 | } | |
5491 | SP = ORIGMARK; | |
5492 | PUSHi(retval); | |
5493 | RETURN; | |
5494 | #else | |
cea2e8a9 | 5495 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5496 | #endif |
5497 | } | |
5498 | ||
ff68c719 | 5499 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5500 | |
ff68c719 | 5501 | /* XXX Emulate flock() with fcntl(). |
5502 | What's really needed is a good file locking module. | |
5503 | */ | |
5504 | ||
cea2e8a9 GS |
5505 | static int |
5506 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5507 | { |
fd9e8b45 | 5508 | int res; |
ff68c719 | 5509 | struct flock flock; |
301e8125 | 5510 | |
ff68c719 | 5511 | switch (operation & ~LOCK_NB) { |
5512 | case LOCK_SH: | |
5513 | flock.l_type = F_RDLCK; | |
5514 | break; | |
5515 | case LOCK_EX: | |
5516 | flock.l_type = F_WRLCK; | |
5517 | break; | |
5518 | case LOCK_UN: | |
5519 | flock.l_type = F_UNLCK; | |
5520 | break; | |
5521 | default: | |
5522 | errno = EINVAL; | |
5523 | return -1; | |
5524 | } | |
5525 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5526 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5527 | |
fd9e8b45 JD |
5528 | res = fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5529 | if (res == -1 && ((errno == EAGAIN) || (errno == EACCES))) | |
5530 | errno = EWOULDBLOCK; | |
5531 | return res; | |
ff68c719 | 5532 | } |
5533 | ||
5534 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5535 | ||
5536 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5537 | |
5538 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5539 | portability of scripts. The calls are not completely | |
5540 | interchangeable. What's really needed is a good file | |
5541 | locking module. | |
5542 | */ | |
5543 | ||
76c32331 | 5544 | /* The lockf() constants might have been defined in <unistd.h>. |
5545 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5546 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5547 | |
5548 | Further, the lockf() constants aren't POSIX, so they might not be | |
5549 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5550 | just stick in the SVID values and be done with it. Sigh. | |
5551 | */ | |
5552 | ||
5553 | # ifndef F_ULOCK | |
5554 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5555 | # endif | |
5556 | # ifndef F_LOCK | |
5557 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5558 | # endif | |
5559 | # ifndef F_TLOCK | |
5560 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5561 | # endif | |
5562 | # ifndef F_TEST | |
5563 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5564 | # endif | |
5565 | ||
cea2e8a9 GS |
5566 | static int |
5567 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5568 | { |
5569 | int i; | |
84902520 | 5570 | Off_t pos; |
4ee39169 | 5571 | dSAVE_ERRNO; |
84902520 TB |
5572 | |
5573 | /* flock locks entire file so for lockf we need to do the same */ | |
6ad3d225 | 5574 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5575 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5576 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5577 | pos = -1; /* seek failed, so don't seek back afterwards */ |
4ee39169 | 5578 | RESTORE_ERRNO; |
84902520 | 5579 | |
16d20bd9 AD |
5580 | switch (operation) { |
5581 | ||
5582 | /* LOCK_SH - get a shared lock */ | |
5583 | case LOCK_SH: | |
5584 | /* LOCK_EX - get an exclusive lock */ | |
5585 | case LOCK_EX: | |
5586 | i = lockf (fd, F_LOCK, 0); | |
5587 | break; | |
5588 | ||
5589 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5590 | case LOCK_SH|LOCK_NB: | |
5591 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5592 | case LOCK_EX|LOCK_NB: | |
5593 | i = lockf (fd, F_TLOCK, 0); | |
5594 | if (i == -1) | |
5595 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5596 | errno = EWOULDBLOCK; | |
5597 | break; | |
5598 | ||
ff68c719 | 5599 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5600 | case LOCK_UN: |
ff68c719 | 5601 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5602 | i = lockf (fd, F_ULOCK, 0); |
5603 | break; | |
5604 | ||
5605 | /* Default - can't decipher operation */ | |
5606 | default: | |
5607 | i = -1; | |
5608 | errno = EINVAL; | |
5609 | break; | |
5610 | } | |
84902520 TB |
5611 | |
5612 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5613 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5614 | |
16d20bd9 AD |
5615 | return (i); |
5616 | } | |
ff68c719 | 5617 | |
5618 | #endif /* LOCKF_EMULATE_FLOCK */ | |
241d1a3b NC |
5619 | |
5620 | /* | |
5621 | * Local variables: | |
5622 | * c-indentation-style: bsd | |
5623 | * c-basic-offset: 4 | |
5624 | * indent-tabs-mode: t | |
5625 | * End: | |
5626 | * | |
37442d52 RGS |
5627 | * ex: set ts=8 sts=4 sw=4 noet: |
5628 | */ |