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_RESOURCE |
53 | # include <sys/resource.h> | |
16d20bd9 | 54 | #endif |
a0d0e21e | 55 | |
2986a63f JH |
56 | #ifdef NETWARE |
57 | NETDB_DEFINE_CONTEXT | |
58 | #endif | |
59 | ||
a0d0e21e | 60 | #ifdef HAS_SELECT |
1e743fda JH |
61 | # ifdef I_SYS_SELECT |
62 | # include <sys/select.h> | |
63 | # endif | |
a0d0e21e | 64 | #endif |
a0d0e21e | 65 | |
dc45a647 MB |
66 | /* XXX Configure test needed. |
67 | h_errno might not be a simple 'int', especially for multi-threaded | |
5ff3f7a4 GS |
68 | applications, see "extern int errno in perl.h". Creating such |
69 | a test requires taking into account the differences between | |
70 | compiling multithreaded and singlethreaded ($ccflags et al). | |
71 | HOST_NOT_FOUND is typically defined in <netdb.h>. | |
dc45a647 | 72 | */ |
cb50131a | 73 | #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__) |
a0d0e21e LW |
74 | extern int h_errno; |
75 | #endif | |
76 | ||
77 | #ifdef HAS_PASSWD | |
78 | # ifdef I_PWD | |
79 | # include <pwd.h> | |
80 | # else | |
fd8cd3a3 | 81 | # if !defined(VMS) |
20ce7b12 GS |
82 | struct passwd *getpwnam (char *); |
83 | struct passwd *getpwuid (Uid_t); | |
fd8cd3a3 | 84 | # endif |
a0d0e21e | 85 | # endif |
28e8609d | 86 | # ifdef HAS_GETPWENT |
10bc17b6 | 87 | #ifndef getpwent |
20ce7b12 | 88 | struct passwd *getpwent (void); |
c2a8f790 | 89 | #elif defined (VMS) && defined (my_getpwent) |
9fa802f3 | 90 | struct passwd *Perl_my_getpwent (pTHX); |
10bc17b6 | 91 | #endif |
28e8609d | 92 | # endif |
a0d0e21e LW |
93 | #endif |
94 | ||
95 | #ifdef HAS_GROUP | |
96 | # ifdef I_GRP | |
97 | # include <grp.h> | |
98 | # else | |
20ce7b12 GS |
99 | struct group *getgrnam (char *); |
100 | struct group *getgrgid (Gid_t); | |
a0d0e21e | 101 | # endif |
28e8609d | 102 | # ifdef HAS_GETGRENT |
10bc17b6 | 103 | #ifndef getgrent |
20ce7b12 | 104 | struct group *getgrent (void); |
10bc17b6 | 105 | #endif |
28e8609d | 106 | # endif |
a0d0e21e LW |
107 | #endif |
108 | ||
109 | #ifdef I_UTIME | |
3730b96e | 110 | # if defined(_MSC_VER) || defined(__MINGW32__) |
3fe9a6f1 | 111 | # include <sys/utime.h> |
112 | # else | |
113 | # include <utime.h> | |
114 | # endif | |
a0d0e21e | 115 | #endif |
a0d0e21e | 116 | |
cbdc8872 | 117 | #ifdef HAS_CHSIZE |
cd52b7b2 | 118 | # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */ |
119 | # undef my_chsize | |
120 | # endif | |
72cc7e2a | 121 | # define my_chsize PerlLIO_chsize |
27da23d5 JH |
122 | #else |
123 | # ifdef HAS_TRUNCATE | |
124 | # define my_chsize PerlLIO_chsize | |
125 | # else | |
126 | I32 my_chsize(int fd, Off_t length); | |
127 | # endif | |
cbdc8872 | 128 | #endif |
129 | ||
ff68c719 | 130 | #ifdef HAS_FLOCK |
131 | # define FLOCK flock | |
132 | #else /* no flock() */ | |
133 | ||
36477c24 | 134 | /* fcntl.h might not have been included, even if it exists, because |
135 | the current Configure only sets I_FCNTL if it's needed to pick up | |
136 | the *_OK constants. Make sure it has been included before testing | |
137 | the fcntl() locking constants. */ | |
138 | # if defined(HAS_FCNTL) && !defined(I_FCNTL) | |
139 | # include <fcntl.h> | |
140 | # endif | |
141 | ||
9d9004a9 | 142 | # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK) |
ff68c719 | 143 | # define FLOCK fcntl_emulate_flock |
144 | # define FCNTL_EMULATE_FLOCK | |
145 | # else /* no flock() or fcntl(F_SETLK,...) */ | |
146 | # ifdef HAS_LOCKF | |
147 | # define FLOCK lockf_emulate_flock | |
148 | # define LOCKF_EMULATE_FLOCK | |
149 | # endif /* lockf */ | |
150 | # endif /* no flock() or fcntl(F_SETLK,...) */ | |
151 | ||
152 | # ifdef FLOCK | |
20ce7b12 | 153 | static int FLOCK (int, int); |
ff68c719 | 154 | |
155 | /* | |
156 | * These are the flock() constants. Since this sytems doesn't have | |
157 | * flock(), the values of the constants are probably not available. | |
158 | */ | |
159 | # ifndef LOCK_SH | |
160 | # define LOCK_SH 1 | |
161 | # endif | |
162 | # ifndef LOCK_EX | |
163 | # define LOCK_EX 2 | |
164 | # endif | |
165 | # ifndef LOCK_NB | |
166 | # define LOCK_NB 4 | |
167 | # endif | |
168 | # ifndef LOCK_UN | |
169 | # define LOCK_UN 8 | |
170 | # endif | |
171 | # endif /* emulating flock() */ | |
172 | ||
173 | #endif /* no flock() */ | |
55497cff | 174 | |
85ab1d1d | 175 | #define ZBTLEN 10 |
27da23d5 | 176 | static const char zero_but_true[ZBTLEN + 1] = "0 but true"; |
85ab1d1d | 177 | |
5ff3f7a4 GS |
178 | #if defined(I_SYS_ACCESS) && !defined(R_OK) |
179 | # include <sys/access.h> | |
180 | #endif | |
181 | ||
a4af207c JH |
182 | #include "reentr.h" |
183 | ||
9cffb111 OS |
184 | #ifdef __Lynx__ |
185 | /* Missing protos on LynxOS */ | |
186 | void sethostent(int); | |
187 | void endhostent(void); | |
188 | void setnetent(int); | |
189 | void endnetent(void); | |
190 | void setprotoent(int); | |
191 | void endprotoent(void); | |
192 | void setservent(int); | |
193 | void endservent(void); | |
194 | #endif | |
195 | ||
faee0e31 | 196 | #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */ |
5ff3f7a4 GS |
197 | |
198 | /* F_OK unused: if stat() cannot find it... */ | |
199 | ||
d7558cad | 200 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK) |
c955f117 | 201 | /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */ |
d7558cad | 202 | # define PERL_EFF_ACCESS(p,f) (access((p), (f) | EFF_ONLY_OK)) |
5ff3f7a4 GS |
203 | #endif |
204 | ||
d7558cad | 205 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_EACCESS) |
3813c136 | 206 | # ifdef I_SYS_SECURITY |
5ff3f7a4 GS |
207 | # include <sys/security.h> |
208 | # endif | |
c955f117 JH |
209 | # ifdef ACC_SELF |
210 | /* HP SecureWare */ | |
d7558cad | 211 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f), ACC_SELF)) |
c955f117 JH |
212 | # else |
213 | /* SCO */ | |
d7558cad | 214 | # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f))) |
c955f117 | 215 | # endif |
5ff3f7a4 GS |
216 | #endif |
217 | ||
d7558cad | 218 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESSX) && defined(ACC_SELF) |
c955f117 | 219 | /* AIX */ |
d7558cad | 220 | # define PERL_EFF_ACCESS(p,f) (accessx((p), (f), ACC_SELF)) |
5ff3f7a4 GS |
221 | #endif |
222 | ||
d7558cad NC |
223 | |
224 | #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) \ | |
327c3667 GS |
225 | && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \ |
226 | || defined(HAS_SETREGID) || defined(HAS_SETRESGID)) | |
5ff3f7a4 | 227 | /* The Hard Way. */ |
327c3667 | 228 | STATIC int |
7f4774ae | 229 | S_emulate_eaccess(pTHX_ const char* path, Mode_t mode) |
ba106d47 | 230 | { |
c4420975 AL |
231 | const Uid_t ruid = getuid(); |
232 | const Uid_t euid = geteuid(); | |
233 | const Gid_t rgid = getgid(); | |
234 | const Gid_t egid = getegid(); | |
5ff3f7a4 GS |
235 | int res; |
236 | ||
5ff3f7a4 | 237 | #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID) |
cea2e8a9 | 238 | Perl_croak(aTHX_ "switching effective uid is not implemented"); |
5ff3f7a4 GS |
239 | #else |
240 | #ifdef HAS_SETREUID | |
241 | if (setreuid(euid, ruid)) | |
242 | #else | |
243 | #ifdef HAS_SETRESUID | |
244 | if (setresuid(euid, ruid, (Uid_t)-1)) | |
245 | #endif | |
246 | #endif | |
dcbac5bb | 247 | /* diag_listed_as: entering effective %s failed */ |
cea2e8a9 | 248 | Perl_croak(aTHX_ "entering effective uid failed"); |
5ff3f7a4 GS |
249 | #endif |
250 | ||
251 | #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID) | |
cea2e8a9 | 252 | Perl_croak(aTHX_ "switching effective gid is not implemented"); |
5ff3f7a4 GS |
253 | #else |
254 | #ifdef HAS_SETREGID | |
255 | if (setregid(egid, rgid)) | |
256 | #else | |
257 | #ifdef HAS_SETRESGID | |
258 | if (setresgid(egid, rgid, (Gid_t)-1)) | |
259 | #endif | |
260 | #endif | |
dcbac5bb | 261 | /* diag_listed_as: entering effective %s failed */ |
cea2e8a9 | 262 | Perl_croak(aTHX_ "entering effective gid failed"); |
5ff3f7a4 GS |
263 | #endif |
264 | ||
265 | res = access(path, mode); | |
266 | ||
267 | #ifdef HAS_SETREUID | |
268 | if (setreuid(ruid, euid)) | |
269 | #else | |
270 | #ifdef HAS_SETRESUID | |
271 | if (setresuid(ruid, euid, (Uid_t)-1)) | |
272 | #endif | |
273 | #endif | |
dcbac5bb | 274 | /* diag_listed_as: leaving effective %s failed */ |
cea2e8a9 | 275 | Perl_croak(aTHX_ "leaving effective uid failed"); |
5ff3f7a4 GS |
276 | |
277 | #ifdef HAS_SETREGID | |
278 | if (setregid(rgid, egid)) | |
279 | #else | |
280 | #ifdef HAS_SETRESGID | |
281 | if (setresgid(rgid, egid, (Gid_t)-1)) | |
282 | #endif | |
283 | #endif | |
dcbac5bb | 284 | /* diag_listed_as: leaving effective %s failed */ |
cea2e8a9 | 285 | Perl_croak(aTHX_ "leaving effective gid failed"); |
5ff3f7a4 GS |
286 | |
287 | return res; | |
288 | } | |
d6864606 | 289 | # define PERL_EFF_ACCESS(p,f) (S_emulate_eaccess(aTHX_ (p), (f))) |
5ff3f7a4 GS |
290 | #endif |
291 | ||
a0d0e21e LW |
292 | PP(pp_backtick) |
293 | { | |
20b7effb | 294 | dSP; dTARGET; |
760ac839 | 295 | PerlIO *fp; |
1b6737cc | 296 | const char * const tmps = POPpconstx; |
f54cb97a | 297 | const I32 gimme = GIMME_V; |
e1ec3a88 | 298 | const char *mode = "r"; |
54310121 | 299 | |
a0d0e21e | 300 | TAINT_PROPER("``"); |
16fe6d59 GS |
301 | if (PL_op->op_private & OPpOPEN_IN_RAW) |
302 | mode = "rb"; | |
303 | else if (PL_op->op_private & OPpOPEN_IN_CRLF) | |
304 | mode = "rt"; | |
2fbb330f | 305 | fp = PerlProc_popen(tmps, mode); |
a0d0e21e | 306 | if (fp) { |
11bcd5da | 307 | const char * const type = Perl_PerlIO_context_layers(aTHX_ NULL); |
ac27b0f5 NIS |
308 | if (type && *type) |
309 | PerlIO_apply_layers(aTHX_ fp,mode,type); | |
310 | ||
54310121 | 311 | if (gimme == G_VOID) { |
96827780 MB |
312 | char tmpbuf[256]; |
313 | while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0) | |
a79db61d | 314 | NOOP; |
54310121 | 315 | } |
316 | else if (gimme == G_SCALAR) { | |
d343c3ef | 317 | ENTER_with_name("backtick"); |
75af1a9c | 318 | SAVESPTR(PL_rs); |
fa326138 | 319 | PL_rs = &PL_sv_undef; |
76f68e9b | 320 | sv_setpvs(TARG, ""); /* note that this preserves previous buffer */ |
bd61b366 | 321 | while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL) |
a79db61d | 322 | NOOP; |
d343c3ef | 323 | LEAVE_with_name("backtick"); |
a0d0e21e | 324 | XPUSHs(TARG); |
aa689395 | 325 | SvTAINTED_on(TARG); |
a0d0e21e LW |
326 | } |
327 | else { | |
a0d0e21e | 328 | for (;;) { |
561b68a9 | 329 | SV * const sv = newSV(79); |
bd61b366 | 330 | if (sv_gets(sv, fp, 0) == NULL) { |
a0d0e21e LW |
331 | SvREFCNT_dec(sv); |
332 | break; | |
333 | } | |
6e449a3a | 334 | mXPUSHs(sv); |
a0d0e21e | 335 | if (SvLEN(sv) - SvCUR(sv) > 20) { |
1da4ca5f | 336 | SvPV_shrink_to_cur(sv); |
a0d0e21e | 337 | } |
aa689395 | 338 | SvTAINTED_on(sv); |
a0d0e21e LW |
339 | } |
340 | } | |
2fbb330f | 341 | STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp)); |
aa689395 | 342 | TAINT; /* "I believe that this is not gratuitous!" */ |
a0d0e21e LW |
343 | } |
344 | else { | |
37038d91 | 345 | STATUS_NATIVE_CHILD_SET(-1); |
54310121 | 346 | if (gimme == G_SCALAR) |
a0d0e21e LW |
347 | RETPUSHUNDEF; |
348 | } | |
349 | ||
350 | RETURN; | |
351 | } | |
352 | ||
353 | PP(pp_glob) | |
354 | { | |
355 | OP *result; | |
9426e1a5 | 356 | dSP; |
9423a867 FC |
357 | GV * const gv = (PL_op->op_flags & OPf_SPECIAL) ? NULL : (GV *)POPs; |
358 | ||
359 | PUTBACK; | |
360 | ||
151cea25 FC |
361 | /* make a copy of the pattern if it is gmagical, to ensure that magic |
362 | * is called once and only once */ | |
9423a867 | 363 | if (SvGMAGICAL(TOPs)) TOPs = sv_2mortal(newSVsv(TOPs)); |
9426e1a5 | 364 | |
fc99edcf | 365 | tryAMAGICunTARGETlist(iter_amg, (PL_op->op_flags & OPf_SPECIAL)); |
d1bea3d8 DM |
366 | |
367 | if (PL_op->op_flags & OPf_SPECIAL) { | |
368 | /* call Perl-level glob function instead. Stack args are: | |
9423a867 | 369 | * MARK, wildcard |
d1bea3d8 DM |
370 | * and following OPs should be: gv(CORE::GLOBAL::glob), entersub |
371 | * */ | |
372 | return NORMAL; | |
373 | } | |
d67594ff | 374 | if (PL_globhook) { |
d67594ff FC |
375 | PL_globhook(aTHX); |
376 | return NORMAL; | |
377 | } | |
f5284f61 | 378 | |
71686f12 GS |
379 | /* Note that we only ever get here if File::Glob fails to load |
380 | * without at the same time croaking, for some reason, or if | |
381 | * perl was built with PERL_EXTERNAL_GLOB */ | |
382 | ||
d343c3ef | 383 | ENTER_with_name("glob"); |
a0d0e21e | 384 | |
c90c0ff4 | 385 | #ifndef VMS |
284167a5 | 386 | if (TAINTING_get) { |
7bac28a0 | 387 | /* |
388 | * The external globbing program may use things we can't control, | |
389 | * so for security reasons we must assume the worst. | |
390 | */ | |
391 | TAINT; | |
22c35a8c | 392 | taint_proper(PL_no_security, "glob"); |
7bac28a0 | 393 | } |
c90c0ff4 | 394 | #endif /* !VMS */ |
7bac28a0 | 395 | |
3280af22 | 396 | SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */ |
9423a867 | 397 | PL_last_in_gv = gv; |
a0d0e21e | 398 | |
3280af22 | 399 | SAVESPTR(PL_rs); /* This is not permanent, either. */ |
84bafc02 | 400 | PL_rs = newSVpvs_flags("\000", SVs_TEMP); |
c07a80fd | 401 | #ifndef DOSISH |
402 | #ifndef CSH | |
6b88bc9c | 403 | *SvPVX(PL_rs) = '\n'; |
a0d0e21e | 404 | #endif /* !CSH */ |
55497cff | 405 | #endif /* !DOSISH */ |
c07a80fd | 406 | |
a0d0e21e | 407 | result = do_readline(); |
d343c3ef | 408 | LEAVE_with_name("glob"); |
a0d0e21e LW |
409 | return result; |
410 | } | |
411 | ||
a0d0e21e LW |
412 | PP(pp_rcatline) |
413 | { | |
146174a9 | 414 | PL_last_in_gv = cGVOP_gv; |
a0d0e21e LW |
415 | return do_readline(); |
416 | } | |
417 | ||
418 | PP(pp_warn) | |
419 | { | |
20b7effb | 420 | 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; |
ef5fe392 | 436 | if (SvGMAGICAL(exsv)) exsv = sv_mortalcopy(exsv); |
a0d0e21e | 437 | } |
06bf62c7 | 438 | |
72d74926 | 439 | if (SvROK(exsv) || (SvPV_const(exsv, len), len)) { |
c5df3096 Z |
440 | /* well-formed exception supplied */ |
441 | } | |
c5df3096 | 442 | else { |
eed484f9 DD |
443 | SV * const errsv = ERRSV; |
444 | SvGETMAGIC(errsv); | |
445 | if (SvROK(errsv)) { | |
446 | if (SvGMAGICAL(errsv)) { | |
ef5fe392 | 447 | exsv = sv_newmortal(); |
eed484f9 | 448 | sv_setsv_nomg(exsv, errsv); |
ef5fe392 | 449 | } |
eed484f9 | 450 | else exsv = errsv; |
ef5fe392 | 451 | } |
eed484f9 | 452 | else if (SvPOKp(errsv) ? SvCUR(errsv) : SvNIOKp(errsv)) { |
ef5fe392 | 453 | exsv = sv_newmortal(); |
eed484f9 | 454 | sv_setsv_nomg(exsv, errsv); |
ef5fe392 FC |
455 | sv_catpvs(exsv, "\t...caught"); |
456 | } | |
457 | else { | |
c5df3096 | 458 | exsv = newSVpvs_flags("Warning: something's wrong", SVs_TEMP); |
ef5fe392 | 459 | } |
c5df3096 | 460 | } |
3b7f69a5 FC |
461 | if (SvROK(exsv) && !PL_warnhook) |
462 | Perl_warn(aTHX_ "%"SVf, SVfARG(exsv)); | |
463 | else warn_sv(exsv); | |
a0d0e21e LW |
464 | RETSETYES; |
465 | } | |
466 | ||
467 | PP(pp_die) | |
468 | { | |
20b7effb | 469 | dSP; dMARK; |
c5df3096 | 470 | SV *exsv; |
06bf62c7 | 471 | STRLEN len; |
96e176bf | 472 | #ifdef VMS |
97124ef6 FC |
473 | VMSISH_HUSHED = |
474 | VMSISH_HUSHED || (PL_curcop->op_private & OPpHUSH_VMSISH); | |
96e176bf | 475 | #endif |
a0d0e21e LW |
476 | if (SP - MARK != 1) { |
477 | dTARGET; | |
3280af22 | 478 | do_join(TARG, &PL_sv_no, MARK, SP); |
c5df3096 | 479 | exsv = TARG; |
a0d0e21e LW |
480 | SP = MARK + 1; |
481 | } | |
482 | else { | |
c5df3096 | 483 | exsv = TOPs; |
a0d0e21e | 484 | } |
c5df3096 | 485 | |
72d74926 | 486 | if (SvROK(exsv) || (SvPV_const(exsv, len), len)) { |
c5df3096 Z |
487 | /* well-formed exception supplied */ |
488 | } | |
eed484f9 DD |
489 | else { |
490 | SV * const errsv = ERRSV; | |
8b3945e7 | 491 | SvGETMAGIC(errsv); |
eed484f9 DD |
492 | if (SvROK(errsv)) { |
493 | exsv = errsv; | |
494 | if (sv_isobject(exsv)) { | |
495 | HV * const stash = SvSTASH(SvRV(exsv)); | |
496 | GV * const gv = gv_fetchmethod(stash, "PROPAGATE"); | |
497 | if (gv) { | |
498 | SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0)); | |
499 | SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop))); | |
500 | EXTEND(SP, 3); | |
501 | PUSHMARK(SP); | |
502 | PUSHs(exsv); | |
503 | PUSHs(file); | |
504 | PUSHs(line); | |
505 | PUTBACK; | |
506 | call_sv(MUTABLE_SV(GvCV(gv)), | |
507 | G_SCALAR|G_EVAL|G_KEEPERR); | |
508 | exsv = sv_mortalcopy(*PL_stack_sp--); | |
509 | } | |
05423cc9 | 510 | } |
4e6ea2c3 | 511 | } |
8b3945e7 | 512 | else if (SvPOK(errsv) && SvCUR(errsv)) { |
eed484f9 DD |
513 | exsv = sv_mortalcopy(errsv); |
514 | sv_catpvs(exsv, "\t...propagated"); | |
515 | } | |
516 | else { | |
517 | exsv = newSVpvs_flags("Died", SVs_TEMP); | |
518 | } | |
c5df3096 | 519 | } |
81d52ecd | 520 | die_sv(exsv); |
a25b5927 | 521 | NOT_REACHED; /* NOTREACHED */ |
263fdd5b | 522 | return NULL; /* avoid missing return from non-void function warning */ |
a0d0e21e LW |
523 | } |
524 | ||
525 | /* I/O. */ | |
526 | ||
d682515d | 527 | OP * |
3e0cb5de | 528 | Perl_tied_method(pTHX_ SV *methname, SV **sp, SV *const sv, |
d682515d | 529 | const MAGIC *const mg, const U32 flags, U32 argc, ...) |
6bcca55b | 530 | { |
d8ef3a16 DM |
531 | SV **orig_sp = sp; |
532 | I32 ret_args; | |
533 | ||
d682515d | 534 | PERL_ARGS_ASSERT_TIED_METHOD; |
6bcca55b NC |
535 | |
536 | /* Ensure that our flag bits do not overlap. */ | |
6d59e610 LM |
537 | STATIC_ASSERT_STMT((TIED_METHOD_MORTALIZE_NOT_NEEDED & G_WANT) == 0); |
538 | STATIC_ASSERT_STMT((TIED_METHOD_ARGUMENTS_ON_STACK & G_WANT) == 0); | |
539 | STATIC_ASSERT_STMT((TIED_METHOD_SAY & G_WANT) == 0); | |
6bcca55b | 540 | |
d8ef3a16 DM |
541 | PUTBACK; /* sp is at *foot* of args, so this pops args from old stack */ |
542 | PUSHSTACKi(PERLSI_MAGIC); | |
543 | EXTEND(SP, argc+1); /* object + args */ | |
6bcca55b | 544 | PUSHMARK(sp); |
d682515d | 545 | PUSHs(SvTIED_obj(sv, mg)); |
d8ef3a16 DM |
546 | if (flags & TIED_METHOD_ARGUMENTS_ON_STACK) { |
547 | Copy(orig_sp + 2, sp + 1, argc, SV*); /* copy args to new stack */ | |
1a8c1d59 | 548 | sp += argc; |
d8ef3a16 | 549 | } |
1a8c1d59 | 550 | else if (argc) { |
d682515d NC |
551 | const U32 mortalize_not_needed |
552 | = flags & TIED_METHOD_MORTALIZE_NOT_NEEDED; | |
6bcca55b | 553 | va_list args; |
0d5509eb | 554 | va_start(args, argc); |
6bcca55b NC |
555 | do { |
556 | SV *const arg = va_arg(args, SV *); | |
557 | if(mortalize_not_needed) | |
558 | PUSHs(arg); | |
559 | else | |
560 | mPUSHs(arg); | |
561 | } while (--argc); | |
562 | va_end(args); | |
563 | } | |
564 | ||
565 | PUTBACK; | |
d682515d | 566 | ENTER_with_name("call_tied_method"); |
94bc412f NC |
567 | if (flags & TIED_METHOD_SAY) { |
568 | /* local $\ = "\n" */ | |
569 | SAVEGENERICSV(PL_ors_sv); | |
570 | PL_ors_sv = newSVpvs("\n"); | |
571 | } | |
3e0cb5de | 572 | ret_args = call_sv(methname, (flags & G_WANT)|G_METHOD_NAMED); |
d8ef3a16 DM |
573 | SPAGAIN; |
574 | orig_sp = sp; | |
575 | POPSTACK; | |
576 | SPAGAIN; | |
577 | if (ret_args) { /* copy results back to original stack */ | |
578 | EXTEND(sp, ret_args); | |
579 | Copy(orig_sp - ret_args + 1, sp + 1, ret_args, SV*); | |
580 | sp += ret_args; | |
581 | PUTBACK; | |
582 | } | |
d682515d | 583 | LEAVE_with_name("call_tied_method"); |
6bcca55b NC |
584 | return NORMAL; |
585 | } | |
586 | ||
d682515d NC |
587 | #define tied_method0(a,b,c,d) \ |
588 | Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,0) | |
589 | #define tied_method1(a,b,c,d,e) \ | |
590 | Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,1,e) | |
591 | #define tied_method2(a,b,c,d,e,f) \ | |
592 | Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,2,e,f) | |
6bcca55b | 593 | |
a0d0e21e LW |
594 | PP(pp_open) |
595 | { | |
20b7effb | 596 | dSP; |
a567e93b NIS |
597 | dMARK; dORIGMARK; |
598 | dTARGET; | |
a0d0e21e | 599 | SV *sv; |
5b468f54 | 600 | IO *io; |
5c144d81 | 601 | const char *tmps; |
a0d0e21e | 602 | STRLEN len; |
a567e93b | 603 | bool ok; |
a0d0e21e | 604 | |
159b6efe | 605 | GV * const gv = MUTABLE_GV(*++MARK); |
c4420975 | 606 | |
13be902c | 607 | if (!isGV(gv) && !(SvTYPE(gv) == SVt_PVLV && isGV_with_GP(gv))) |
cea2e8a9 | 608 | DIE(aTHX_ PL_no_usym, "filehandle"); |
abc718f2 | 609 | |
a79db61d | 610 | if ((io = GvIOp(gv))) { |
a5e1d062 | 611 | const MAGIC *mg; |
36477c24 | 612 | IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; |
853846ea | 613 | |
a2a5de95 | 614 | if (IoDIRP(io)) |
d1d15184 | 615 | Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), |
d0c0e7dd FC |
616 | "Opening dirhandle %"HEKf" also as a file", |
617 | HEKfARG(GvENAME_HEK(gv))); | |
abc718f2 | 618 | |
ad64d0ec | 619 | mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
c4420975 AL |
620 | if (mg) { |
621 | /* Method's args are same as ours ... */ | |
622 | /* ... except handle is replaced by the object */ | |
3e0cb5de | 623 | return Perl_tied_method(aTHX_ SV_CONST(OPEN), mark - 1, MUTABLE_SV(io), mg, |
d682515d NC |
624 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, |
625 | sp - mark); | |
c4420975 | 626 | } |
4592e6ca NIS |
627 | } |
628 | ||
a567e93b NIS |
629 | if (MARK < SP) { |
630 | sv = *++MARK; | |
631 | } | |
632 | else { | |
35a08ec7 | 633 | sv = GvSVn(gv); |
a567e93b NIS |
634 | } |
635 | ||
5c144d81 | 636 | tmps = SvPV_const(sv, len); |
d5eb9a46 | 637 | ok = do_open6(gv, tmps, len, NULL, MARK+1, (SP-MARK)); |
a567e93b NIS |
638 | SP = ORIGMARK; |
639 | if (ok) | |
3280af22 NIS |
640 | PUSHi( (I32)PL_forkprocess ); |
641 | else if (PL_forkprocess == 0) /* we are a new child */ | |
a0d0e21e LW |
642 | PUSHi(0); |
643 | else | |
644 | RETPUSHUNDEF; | |
645 | RETURN; | |
646 | } | |
647 | ||
648 | PP(pp_close) | |
649 | { | |
20b7effb | 650 | dSP; |
30901a8a FC |
651 | GV * const gv = |
652 | MAXARG == 0 || (!TOPs && !POPs) ? PL_defoutgv : MUTABLE_GV(POPs); | |
1d603a67 | 653 | |
2addaaf3 NC |
654 | if (MAXARG == 0) |
655 | EXTEND(SP, 1); | |
656 | ||
a79db61d AL |
657 | if (gv) { |
658 | IO * const io = GvIO(gv); | |
659 | if (io) { | |
a5e1d062 | 660 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 661 | if (mg) { |
3e0cb5de | 662 | return tied_method0(SV_CONST(CLOSE), SP, MUTABLE_SV(io), mg); |
a79db61d AL |
663 | } |
664 | } | |
1d603a67 | 665 | } |
54310121 | 666 | PUSHs(boolSV(do_close(gv, TRUE))); |
a0d0e21e LW |
667 | RETURN; |
668 | } | |
669 | ||
670 | PP(pp_pipe_op) | |
671 | { | |
a0d0e21e | 672 | #ifdef HAS_PIPE |
9cad6237 | 673 | dSP; |
eb578fdb KW |
674 | IO *rstio; |
675 | IO *wstio; | |
a0d0e21e LW |
676 | int fd[2]; |
677 | ||
159b6efe NC |
678 | GV * const wgv = MUTABLE_GV(POPs); |
679 | GV * const rgv = MUTABLE_GV(POPs); | |
a0d0e21e | 680 | |
8a6c0fcb FC |
681 | assert (isGV_with_GP(rgv)); |
682 | assert (isGV_with_GP(wgv)); | |
a0d0e21e | 683 | rstio = GvIOn(rgv); |
a0d0e21e LW |
684 | if (IoIFP(rstio)) |
685 | do_close(rgv, FALSE); | |
49225470 DD |
686 | |
687 | wstio = GvIOn(wgv); | |
a0d0e21e LW |
688 | if (IoIFP(wstio)) |
689 | do_close(wgv, FALSE); | |
690 | ||
6ad3d225 | 691 | if (PerlProc_pipe(fd) < 0) |
a0d0e21e LW |
692 | goto badexit; |
693 | ||
460c8493 IZ |
694 | IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE); |
695 | IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE); | |
b5ac89c3 | 696 | IoOFP(rstio) = IoIFP(rstio); |
a0d0e21e | 697 | IoIFP(wstio) = IoOFP(wstio); |
50952442 JH |
698 | IoTYPE(rstio) = IoTYPE_RDONLY; |
699 | IoTYPE(wstio) = IoTYPE_WRONLY; | |
a0d0e21e LW |
700 | |
701 | if (!IoIFP(rstio) || !IoOFP(wstio)) { | |
a79db61d AL |
702 | if (IoIFP(rstio)) |
703 | PerlIO_close(IoIFP(rstio)); | |
704 | else | |
705 | PerlLIO_close(fd[0]); | |
706 | if (IoOFP(wstio)) | |
707 | PerlIO_close(IoOFP(wstio)); | |
708 | else | |
709 | PerlLIO_close(fd[1]); | |
a0d0e21e LW |
710 | goto badexit; |
711 | } | |
4771b018 | 712 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
375ed12a JH |
713 | /* ensure close-on-exec */ |
714 | if ((fcntl(fd[0], F_SETFD,fd[0] > PL_maxsysfd) < 0) || | |
715 | (fcntl(fd[1], F_SETFD,fd[1] > PL_maxsysfd) < 0)) | |
716 | goto badexit; | |
4771b018 | 717 | #endif |
a0d0e21e LW |
718 | RETPUSHYES; |
719 | ||
7b52d656 | 720 | badexit: |
a0d0e21e LW |
721 | RETPUSHUNDEF; |
722 | #else | |
cea2e8a9 | 723 | DIE(aTHX_ PL_no_func, "pipe"); |
a0d0e21e LW |
724 | #endif |
725 | } | |
726 | ||
727 | PP(pp_fileno) | |
728 | { | |
20b7effb | 729 | dSP; dTARGET; |
a0d0e21e LW |
730 | GV *gv; |
731 | IO *io; | |
760ac839 | 732 | PerlIO *fp; |
a5e1d062 | 733 | const MAGIC *mg; |
4592e6ca | 734 | |
a0d0e21e LW |
735 | if (MAXARG < 1) |
736 | RETPUSHUNDEF; | |
159b6efe | 737 | gv = MUTABLE_GV(POPs); |
9c9f25b8 | 738 | io = GvIO(gv); |
4592e6ca | 739 | |
9c9f25b8 | 740 | if (io |
ad64d0ec | 741 | && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) |
5b468f54 | 742 | { |
3e0cb5de | 743 | return tied_method0(SV_CONST(FILENO), SP, MUTABLE_SV(io), mg); |
4592e6ca NIS |
744 | } |
745 | ||
67f2cc75 AC |
746 | if (io && IoDIRP(io)) { |
747 | #if defined(HAS_DIRFD) || defined(HAS_DIR_DD_FD) | |
748 | PUSHi(my_dirfd(IoDIRP(io))); | |
749 | RETURN; | |
750 | #elif defined(ENOTSUP) | |
751 | errno = ENOTSUP; /* Operation not supported */ | |
752 | RETPUSHUNDEF; | |
753 | #elif defined(EOPNOTSUPP) | |
754 | errno = EOPNOTSUPP; /* Operation not supported on socket */ | |
755 | RETPUSHUNDEF; | |
756 | #else | |
757 | errno = EINVAL; /* Invalid argument */ | |
758 | RETPUSHUNDEF; | |
759 | #endif | |
760 | } | |
761 | ||
9c9f25b8 | 762 | if (!io || !(fp = IoIFP(io))) { |
c289d2f7 JH |
763 | /* Can't do this because people seem to do things like |
764 | defined(fileno($foo)) to check whether $foo is a valid fh. | |
51087808 NC |
765 | |
766 | report_evil_fh(gv); | |
c289d2f7 | 767 | */ |
a0d0e21e | 768 | RETPUSHUNDEF; |
c289d2f7 JH |
769 | } |
770 | ||
760ac839 | 771 | PUSHi(PerlIO_fileno(fp)); |
a0d0e21e LW |
772 | RETURN; |
773 | } | |
774 | ||
775 | PP(pp_umask) | |
776 | { | |
27da23d5 | 777 | dSP; |
d7e492a4 | 778 | #ifdef HAS_UMASK |
27da23d5 | 779 | dTARGET; |
761237fe | 780 | Mode_t anum; |
a0d0e21e | 781 | |
58536d15 | 782 | if (MAXARG < 1 || (!TOPs && !POPs)) { |
b0b546b3 GA |
783 | anum = PerlLIO_umask(022); |
784 | /* setting it to 022 between the two calls to umask avoids | |
785 | * to have a window where the umask is set to 0 -- meaning | |
786 | * that another thread could create world-writeable files. */ | |
787 | if (anum != 022) | |
788 | (void)PerlLIO_umask(anum); | |
a0d0e21e LW |
789 | } |
790 | else | |
6ad3d225 | 791 | anum = PerlLIO_umask(POPi); |
a0d0e21e LW |
792 | TAINT_PROPER("umask"); |
793 | XPUSHi(anum); | |
794 | #else | |
a0288114 | 795 | /* Only DIE if trying to restrict permissions on "user" (self). |
eec2d3df GS |
796 | * Otherwise it's harmless and more useful to just return undef |
797 | * since 'group' and 'other' concepts probably don't exist here. */ | |
58536d15 | 798 | if (MAXARG >= 1 && (TOPs||POPs) && (POPi & 0700)) |
cea2e8a9 | 799 | DIE(aTHX_ "umask not implemented"); |
6b88bc9c | 800 | XPUSHs(&PL_sv_undef); |
a0d0e21e LW |
801 | #endif |
802 | RETURN; | |
803 | } | |
804 | ||
805 | PP(pp_binmode) | |
806 | { | |
20b7effb | 807 | dSP; |
a0d0e21e LW |
808 | GV *gv; |
809 | IO *io; | |
760ac839 | 810 | PerlIO *fp; |
a0714e2c | 811 | SV *discp = NULL; |
a0d0e21e LW |
812 | |
813 | if (MAXARG < 1) | |
814 | RETPUSHUNDEF; | |
60382766 | 815 | if (MAXARG > 1) { |
16fe6d59 | 816 | discp = POPs; |
60382766 | 817 | } |
a0d0e21e | 818 | |
159b6efe | 819 | gv = MUTABLE_GV(POPs); |
9c9f25b8 | 820 | io = GvIO(gv); |
4592e6ca | 821 | |
9c9f25b8 | 822 | if (io) { |
a5e1d062 | 823 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 824 | if (mg) { |
bc0c81ca NC |
825 | /* This takes advantage of the implementation of the varargs |
826 | function, which I don't think that the optimiser will be able to | |
827 | figure out. Although, as it's a static function, in theory it | |
828 | could. */ | |
3e0cb5de | 829 | return Perl_tied_method(aTHX_ SV_CONST(BINMODE), SP, MUTABLE_SV(io), mg, |
d682515d NC |
830 | G_SCALAR|TIED_METHOD_MORTALIZE_NOT_NEEDED, |
831 | discp ? 1 : 0, discp); | |
a79db61d | 832 | } |
4592e6ca | 833 | } |
a0d0e21e | 834 | |
9c9f25b8 | 835 | if (!io || !(fp = IoIFP(io))) { |
51087808 | 836 | report_evil_fh(gv); |
b5fe5ca2 | 837 | SETERRNO(EBADF,RMS_IFI); |
50f846a7 SC |
838 | RETPUSHUNDEF; |
839 | } | |
a0d0e21e | 840 | |
40d98b49 | 841 | PUTBACK; |
f0a78170 | 842 | { |
a79b25b7 VP |
843 | STRLEN len = 0; |
844 | const char *d = NULL; | |
845 | int mode; | |
846 | if (discp) | |
847 | d = SvPV_const(discp, len); | |
848 | mode = mode_from_discipline(d, len); | |
f0a78170 NC |
849 | if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) { |
850 | if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { | |
851 | if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) { | |
852 | SPAGAIN; | |
853 | RETPUSHUNDEF; | |
854 | } | |
855 | } | |
856 | SPAGAIN; | |
857 | RETPUSHYES; | |
858 | } | |
859 | else { | |
860 | SPAGAIN; | |
861 | RETPUSHUNDEF; | |
38af81ff | 862 | } |
40d98b49 | 863 | } |
a0d0e21e LW |
864 | } |
865 | ||
866 | PP(pp_tie) | |
867 | { | |
20b7effb | 868 | dSP; dMARK; |
a0d0e21e | 869 | HV* stash; |
07822e36 | 870 | GV *gv = NULL; |
a0d0e21e | 871 | SV *sv; |
1df70142 | 872 | const I32 markoff = MARK - PL_stack_base; |
e1ec3a88 | 873 | const char *methname; |
14befaf4 | 874 | int how = PERL_MAGIC_tied; |
e336de0d | 875 | U32 items; |
c4420975 | 876 | SV *varsv = *++MARK; |
a0d0e21e | 877 | |
6b05c17a NIS |
878 | switch(SvTYPE(varsv)) { |
879 | case SVt_PVHV: | |
aec0c0cc FC |
880 | { |
881 | HE *entry; | |
6b05c17a | 882 | methname = "TIEHASH"; |
aec0c0cc FC |
883 | if (HvLAZYDEL(varsv) && (entry = HvEITER((HV *)varsv))) { |
884 | HvLAZYDEL_off(varsv); | |
885 | hv_free_ent((HV *)varsv, entry); | |
886 | } | |
85fbaab2 | 887 | HvEITER_set(MUTABLE_HV(varsv), 0); |
6b05c17a | 888 | break; |
aec0c0cc | 889 | } |
6b05c17a NIS |
890 | case SVt_PVAV: |
891 | methname = "TIEARRAY"; | |
ce65bc73 FC |
892 | if (!AvREAL(varsv)) { |
893 | if (!AvREIFY(varsv)) | |
894 | Perl_croak(aTHX_ "Cannot tie unreifiable array"); | |
895 | av_clear((AV *)varsv); | |
896 | AvREIFY_off(varsv); | |
897 | AvREAL_on(varsv); | |
898 | } | |
6b05c17a NIS |
899 | break; |
900 | case SVt_PVGV: | |
13be902c | 901 | case SVt_PVLV: |
8bb5f786 | 902 | if (isGV_with_GP(varsv) && !SvFAKE(varsv)) { |
6e592b3a BM |
903 | methname = "TIEHANDLE"; |
904 | how = PERL_MAGIC_tiedscalar; | |
905 | /* For tied filehandles, we apply tiedscalar magic to the IO | |
906 | slot of the GP rather than the GV itself. AMS 20010812 */ | |
907 | if (!GvIOp(varsv)) | |
908 | GvIOp(varsv) = newIO(); | |
ad64d0ec | 909 | varsv = MUTABLE_SV(GvIOp(varsv)); |
6e592b3a BM |
910 | break; |
911 | } | |
13733cde FC |
912 | if (SvTYPE(varsv) == SVt_PVLV && LvTYPE(varsv) == 'y') { |
913 | vivify_defelem(varsv); | |
914 | varsv = LvTARG(varsv); | |
915 | } | |
924ba076 | 916 | /* FALLTHROUGH */ |
6b05c17a NIS |
917 | default: |
918 | methname = "TIESCALAR"; | |
14befaf4 | 919 | how = PERL_MAGIC_tiedscalar; |
6b05c17a NIS |
920 | break; |
921 | } | |
e336de0d | 922 | items = SP - MARK++; |
a91d1d42 | 923 | if (sv_isobject(*MARK)) { /* Calls GET magic. */ |
d343c3ef | 924 | ENTER_with_name("call_TIE"); |
e788e7d3 | 925 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 926 | PUSHMARK(SP); |
eb160463 | 927 | EXTEND(SP,(I32)items); |
e336de0d GS |
928 | while (items--) |
929 | PUSHs(*MARK++); | |
930 | PUTBACK; | |
864dbfa3 | 931 | call_method(methname, G_SCALAR); |
301e8125 | 932 | } |
6b05c17a | 933 | else { |
086d2913 NC |
934 | /* Can't use call_method here, else this: fileno FOO; tie @a, "FOO" |
935 | * will attempt to invoke IO::File::TIEARRAY, with (best case) the | |
936 | * wrong error message, and worse case, supreme action at a distance. | |
937 | * (Sorry obfuscation writers. You're not going to be given this one.) | |
6b05c17a | 938 | */ |
4886938f BF |
939 | stash = gv_stashsv(*MARK, 0); |
940 | if (!stash || !(gv = gv_fetchmethod(stash, methname))) { | |
35c1215d | 941 | DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"", |
a91d1d42 | 942 | methname, SVfARG(SvOK(*MARK) ? *MARK : &PL_sv_no)); |
6b05c17a | 943 | } |
d343c3ef | 944 | ENTER_with_name("call_TIE"); |
e788e7d3 | 945 | PUSHSTACKi(PERLSI_MAGIC); |
e336de0d | 946 | PUSHMARK(SP); |
eb160463 | 947 | EXTEND(SP,(I32)items); |
e336de0d GS |
948 | while (items--) |
949 | PUSHs(*MARK++); | |
950 | PUTBACK; | |
ad64d0ec | 951 | call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); |
6b05c17a | 952 | } |
a0d0e21e LW |
953 | SPAGAIN; |
954 | ||
955 | sv = TOPs; | |
d3acc0f7 | 956 | POPSTACK; |
a0d0e21e | 957 | if (sv_isobject(sv)) { |
33c27489 | 958 | sv_unmagic(varsv, how); |
ae21d580 | 959 | /* Croak if a self-tie on an aggregate is attempted. */ |
b881518d | 960 | if (varsv == SvRV(sv) && |
d87ebaca YST |
961 | (SvTYPE(varsv) == SVt_PVAV || |
962 | SvTYPE(varsv) == SVt_PVHV)) | |
ae21d580 JH |
963 | Perl_croak(aTHX_ |
964 | "Self-ties of arrays and hashes are not supported"); | |
a0714e2c | 965 | sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0); |
a0d0e21e | 966 | } |
d343c3ef | 967 | LEAVE_with_name("call_TIE"); |
3280af22 | 968 | SP = PL_stack_base + markoff; |
a0d0e21e LW |
969 | PUSHs(sv); |
970 | RETURN; | |
971 | } | |
972 | ||
b1c05ba5 DM |
973 | |
974 | /* also used for: pp_dbmclose() */ | |
975 | ||
a0d0e21e LW |
976 | PP(pp_untie) |
977 | { | |
20b7effb | 978 | dSP; |
5b468f54 | 979 | MAGIC *mg; |
33c27489 | 980 | SV *sv = POPs; |
1df70142 | 981 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 982 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
55497cff | 983 | |
ca0d4ed9 | 984 | if (isGV_with_GP(sv) && !SvFAKE(sv) && !(sv = MUTABLE_SV(GvIOp(sv)))) |
5b468f54 AMS |
985 | RETPUSHYES; |
986 | ||
13733cde FC |
987 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y' && |
988 | !(sv = defelem_target(sv, NULL))) RETPUSHUNDEF; | |
989 | ||
65eba18f | 990 | if ((mg = SvTIED_mg(sv, how))) { |
1b6737cc | 991 | SV * const obj = SvRV(SvTIED_obj(sv, mg)); |
fa2b88e0 | 992 | if (obj) { |
c4420975 | 993 | GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE); |
0bd48802 | 994 | CV *cv; |
c4420975 | 995 | if (gv && isGV(gv) && (cv = GvCV(gv))) { |
fa2b88e0 | 996 | PUSHMARK(SP); |
c33ef3ac | 997 | PUSHs(SvTIED_obj(MUTABLE_SV(gv), mg)); |
6e449a3a | 998 | mXPUSHi(SvREFCNT(obj) - 1); |
fa2b88e0 | 999 | PUTBACK; |
d343c3ef | 1000 | ENTER_with_name("call_UNTIE"); |
ad64d0ec | 1001 | call_sv(MUTABLE_SV(cv), G_VOID); |
d343c3ef | 1002 | LEAVE_with_name("call_UNTIE"); |
fa2b88e0 JS |
1003 | SPAGAIN; |
1004 | } | |
a2a5de95 NC |
1005 | else if (mg && SvREFCNT(obj) > 1) { |
1006 | Perl_ck_warner(aTHX_ packWARN(WARN_UNTIE), | |
1007 | "untie attempted while %"UVuf" inner references still exist", | |
1008 | (UV)SvREFCNT(obj) - 1 ) ; | |
c4420975 | 1009 | } |
cbdc8872 | 1010 | } |
1011 | } | |
38193a09 | 1012 | sv_unmagic(sv, how) ; |
55497cff | 1013 | RETPUSHYES; |
a0d0e21e LW |
1014 | } |
1015 | ||
c07a80fd | 1016 | PP(pp_tied) |
1017 | { | |
39644a26 | 1018 | dSP; |
1b6737cc | 1019 | const MAGIC *mg; |
b3cf4821 | 1020 | dTOPss; |
1df70142 | 1021 | const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) |
14befaf4 | 1022 | ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar; |
5b468f54 | 1023 | |
4be76e1f | 1024 | if (isGV_with_GP(sv) && !SvFAKE(sv) && !(sv = MUTABLE_SV(GvIOp(sv)))) |
b3cf4821 | 1025 | goto ret_undef; |
c07a80fd | 1026 | |
13733cde | 1027 | if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y' && |
b3cf4821 | 1028 | !(sv = defelem_target(sv, NULL))) goto ret_undef; |
13733cde | 1029 | |
155aba94 | 1030 | if ((mg = SvTIED_mg(sv, how))) { |
b3cf4821 DD |
1031 | SETs(SvTIED_obj(sv, mg)); |
1032 | return NORMAL; /* PUTBACK not needed, pp_tied never moves SP */ | |
c07a80fd | 1033 | } |
b3cf4821 DD |
1034 | ret_undef: |
1035 | SETs(&PL_sv_undef); | |
1036 | return NORMAL; | |
c07a80fd | 1037 | } |
1038 | ||
a0d0e21e LW |
1039 | PP(pp_dbmopen) |
1040 | { | |
20b7effb | 1041 | dSP; |
a0d0e21e LW |
1042 | dPOPPOPssrl; |
1043 | HV* stash; | |
07822e36 | 1044 | GV *gv = NULL; |
a0d0e21e | 1045 | |
85fbaab2 | 1046 | HV * const hv = MUTABLE_HV(POPs); |
84bafc02 | 1047 | SV * const sv = newSVpvs_flags("AnyDBM_File", SVs_TEMP); |
da51bb9b | 1048 | stash = gv_stashsv(sv, 0); |
8ebc5c01 | 1049 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) { |
a0d0e21e | 1050 | PUTBACK; |
864dbfa3 | 1051 | require_pv("AnyDBM_File.pm"); |
a0d0e21e | 1052 | SPAGAIN; |
eff494dd | 1053 | if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) |
cea2e8a9 | 1054 | DIE(aTHX_ "No dbm on this machine"); |
a0d0e21e LW |
1055 | } |
1056 | ||
57d3b86d | 1057 | ENTER; |
924508f0 | 1058 | PUSHMARK(SP); |
6b05c17a | 1059 | |
924508f0 | 1060 | EXTEND(SP, 5); |
a0d0e21e LW |
1061 | PUSHs(sv); |
1062 | PUSHs(left); | |
1063 | if (SvIV(right)) | |
6e449a3a | 1064 | mPUSHu(O_RDWR|O_CREAT); |
a0d0e21e | 1065 | else |
480e0d3c | 1066 | { |
6e449a3a | 1067 | mPUSHu(O_RDWR); |
480e0d3c FC |
1068 | if (!SvOK(right)) right = &PL_sv_no; |
1069 | } | |
a0d0e21e | 1070 | PUSHs(right); |
57d3b86d | 1071 | PUTBACK; |
ad64d0ec | 1072 | call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); |
a0d0e21e LW |
1073 | SPAGAIN; |
1074 | ||
1075 | if (!sv_isobject(TOPs)) { | |
924508f0 GS |
1076 | SP--; |
1077 | PUSHMARK(SP); | |
a0d0e21e LW |
1078 | PUSHs(sv); |
1079 | PUSHs(left); | |
6e449a3a | 1080 | mPUSHu(O_RDONLY); |
a0d0e21e | 1081 | PUSHs(right); |
a0d0e21e | 1082 | PUTBACK; |
ad64d0ec | 1083 | call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR); |
a0d0e21e LW |
1084 | SPAGAIN; |
1085 | } | |
1086 | ||
6b05c17a | 1087 | if (sv_isobject(TOPs)) { |
ad64d0ec NC |
1088 | sv_unmagic(MUTABLE_SV(hv), PERL_MAGIC_tied); |
1089 | sv_magic(MUTABLE_SV(hv), TOPs, PERL_MAGIC_tied, NULL, 0); | |
6b05c17a | 1090 | } |
a0d0e21e LW |
1091 | LEAVE; |
1092 | RETURN; | |
1093 | } | |
1094 | ||
a0d0e21e LW |
1095 | PP(pp_sselect) |
1096 | { | |
a0d0e21e | 1097 | #ifdef HAS_SELECT |
20b7effb | 1098 | dSP; dTARGET; |
eb578fdb KW |
1099 | I32 i; |
1100 | I32 j; | |
1101 | char *s; | |
1102 | SV *sv; | |
65202027 | 1103 | NV value; |
a0d0e21e LW |
1104 | I32 maxlen = 0; |
1105 | I32 nfound; | |
1106 | struct timeval timebuf; | |
1107 | struct timeval *tbuf = &timebuf; | |
1108 | I32 growsize; | |
1109 | char *fd_sets[4]; | |
1110 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1111 | I32 masksize; | |
1112 | I32 offset; | |
1113 | I32 k; | |
1114 | ||
1115 | # if BYTEORDER & 0xf0000 | |
1116 | # define ORDERBYTE (0x88888888 - BYTEORDER) | |
1117 | # else | |
1118 | # define ORDERBYTE (0x4444 - BYTEORDER) | |
1119 | # endif | |
1120 | ||
1121 | #endif | |
1122 | ||
1123 | SP -= 4; | |
1124 | for (i = 1; i <= 3; i++) { | |
c4420975 | 1125 | SV * const sv = SP[i]; |
9d6d5a79 | 1126 | SvGETMAGIC(sv); |
15547071 GA |
1127 | if (!SvOK(sv)) |
1128 | continue; | |
ba3062ae FC |
1129 | if (SvREADONLY(sv)) { |
1130 | if (!(SvPOK(sv) && SvCUR(sv) == 0)) | |
cb077ed2 | 1131 | Perl_croak_no_modify(); |
ba3062ae FC |
1132 | } |
1133 | else if (SvIsCOW(sv)) sv_force_normal_flags(sv, 0); | |
4ef2275c | 1134 | if (!SvPOK(sv)) { |
9d6d5a79 FC |
1135 | if (!SvPOKp(sv)) |
1136 | Perl_ck_warner(aTHX_ packWARN(WARN_MISC), | |
1137 | "Non-string passed as bitmask"); | |
1138 | SvPV_force_nomg_nolen(sv); /* force string conversion */ | |
4ef2275c | 1139 | } |
729c079f | 1140 | j = SvCUR(sv); |
a0d0e21e LW |
1141 | if (maxlen < j) |
1142 | maxlen = j; | |
1143 | } | |
1144 | ||
5ff3f7a4 | 1145 | /* little endians can use vecs directly */ |
e366b469 | 1146 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
5ff3f7a4 | 1147 | # ifdef NFDBITS |
a0d0e21e | 1148 | |
5ff3f7a4 GS |
1149 | # ifndef NBBY |
1150 | # define NBBY 8 | |
1151 | # endif | |
a0d0e21e LW |
1152 | |
1153 | masksize = NFDBITS / NBBY; | |
5ff3f7a4 | 1154 | # else |
a0d0e21e | 1155 | masksize = sizeof(long); /* documented int, everyone seems to use long */ |
5ff3f7a4 | 1156 | # endif |
a0d0e21e LW |
1157 | Zero(&fd_sets[0], 4, char*); |
1158 | #endif | |
1159 | ||
ad517f75 MHM |
1160 | # if SELECT_MIN_BITS == 1 |
1161 | growsize = sizeof(fd_set); | |
1162 | # else | |
1163 | # if defined(__GLIBC__) && defined(__FD_SETSIZE) | |
1164 | # undef SELECT_MIN_BITS | |
1165 | # define SELECT_MIN_BITS __FD_SETSIZE | |
1166 | # endif | |
e366b469 PG |
1167 | /* If SELECT_MIN_BITS is greater than one we most probably will want |
1168 | * to align the sizes with SELECT_MIN_BITS/8 because for example | |
1169 | * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital | |
f05550c0 | 1170 | * UNIX, Solaris, Darwin) the smallest quantum select() operates |
e366b469 PG |
1171 | * on (sets/tests/clears bits) is 32 bits. */ |
1172 | growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8))); | |
e366b469 PG |
1173 | # endif |
1174 | ||
a0d0e21e | 1175 | sv = SP[4]; |
90eaaf02 | 1176 | SvGETMAGIC(sv); |
a0d0e21e | 1177 | if (SvOK(sv)) { |
90eaaf02 | 1178 | value = SvNV_nomg(sv); |
a0d0e21e LW |
1179 | if (value < 0.0) |
1180 | value = 0.0; | |
1181 | timebuf.tv_sec = (long)value; | |
65202027 | 1182 | value -= (NV)timebuf.tv_sec; |
a0d0e21e LW |
1183 | timebuf.tv_usec = (long)(value * 1000000.0); |
1184 | } | |
1185 | else | |
4608196e | 1186 | tbuf = NULL; |
a0d0e21e LW |
1187 | |
1188 | for (i = 1; i <= 3; i++) { | |
1189 | sv = SP[i]; | |
15547071 | 1190 | if (!SvOK(sv) || SvCUR(sv) == 0) { |
a0d0e21e LW |
1191 | fd_sets[i] = 0; |
1192 | continue; | |
1193 | } | |
4ef2275c | 1194 | assert(SvPOK(sv)); |
a0d0e21e LW |
1195 | j = SvLEN(sv); |
1196 | if (j < growsize) { | |
1197 | Sv_Grow(sv, growsize); | |
a0d0e21e | 1198 | } |
c07a80fd | 1199 | j = SvCUR(sv); |
1200 | s = SvPVX(sv) + j; | |
1201 | while (++j <= growsize) { | |
1202 | *s++ = '\0'; | |
1203 | } | |
1204 | ||
a0d0e21e LW |
1205 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 |
1206 | s = SvPVX(sv); | |
a02a5408 | 1207 | Newx(fd_sets[i], growsize, char); |
a0d0e21e LW |
1208 | for (offset = 0; offset < growsize; offset += masksize) { |
1209 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1210 | fd_sets[i][j+offset] = s[(k % masksize) + offset]; | |
1211 | } | |
1212 | #else | |
1213 | fd_sets[i] = SvPVX(sv); | |
1214 | #endif | |
1215 | } | |
1216 | ||
dc4c69d9 JH |
1217 | #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST |
1218 | /* Can't make just the (void*) conditional because that would be | |
1219 | * cpp #if within cpp macro, and not all compilers like that. */ | |
1220 | nfound = PerlSock_select( | |
1221 | maxlen * 8, | |
1222 | (Select_fd_set_t) fd_sets[1], | |
1223 | (Select_fd_set_t) fd_sets[2], | |
1224 | (Select_fd_set_t) fd_sets[3], | |
1225 | (void*) tbuf); /* Workaround for compiler bug. */ | |
1226 | #else | |
6ad3d225 | 1227 | nfound = PerlSock_select( |
a0d0e21e LW |
1228 | maxlen * 8, |
1229 | (Select_fd_set_t) fd_sets[1], | |
1230 | (Select_fd_set_t) fd_sets[2], | |
1231 | (Select_fd_set_t) fd_sets[3], | |
1232 | tbuf); | |
dc4c69d9 | 1233 | #endif |
a0d0e21e LW |
1234 | for (i = 1; i <= 3; i++) { |
1235 | if (fd_sets[i]) { | |
1236 | sv = SP[i]; | |
1237 | #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678 | |
1238 | s = SvPVX(sv); | |
1239 | for (offset = 0; offset < growsize; offset += masksize) { | |
1240 | for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4)) | |
1241 | s[(k % masksize) + offset] = fd_sets[i][j+offset]; | |
1242 | } | |
1243 | Safefree(fd_sets[i]); | |
1244 | #endif | |
1245 | SvSETMAGIC(sv); | |
1246 | } | |
1247 | } | |
1248 | ||
4189264e | 1249 | PUSHi(nfound); |
82334630 | 1250 | if (GIMME_V == G_ARRAY && tbuf) { |
65202027 DS |
1251 | value = (NV)(timebuf.tv_sec) + |
1252 | (NV)(timebuf.tv_usec) / 1000000.0; | |
6e449a3a | 1253 | mPUSHn(value); |
a0d0e21e LW |
1254 | } |
1255 | RETURN; | |
1256 | #else | |
cea2e8a9 | 1257 | DIE(aTHX_ "select not implemented"); |
a0d0e21e LW |
1258 | #endif |
1259 | } | |
1260 | ||
8226a3d7 | 1261 | /* |
dcccc8ff KW |
1262 | |
1263 | =head1 GV Functions | |
1264 | ||
8226a3d7 NC |
1265 | =for apidoc setdefout |
1266 | ||
1267 | Sets PL_defoutgv, the default file handle for output, to the passed in | |
72d33970 | 1268 | typeglob. As PL_defoutgv "owns" a reference on its typeglob, the reference |
8226a3d7 NC |
1269 | count of the passed in typeglob is increased by one, and the reference count |
1270 | of the typeglob that PL_defoutgv points to is decreased by one. | |
1271 | ||
1272 | =cut | |
1273 | */ | |
1274 | ||
4633a7c4 | 1275 | void |
864dbfa3 | 1276 | Perl_setdefout(pTHX_ GV *gv) |
4633a7c4 | 1277 | { |
9a9bb270 FC |
1278 | PERL_ARGS_ASSERT_SETDEFOUT; |
1279 | SvREFCNT_inc_simple_void_NN(gv); | |
ef8d46e8 | 1280 | SvREFCNT_dec(PL_defoutgv); |
3280af22 | 1281 | PL_defoutgv = gv; |
4633a7c4 LW |
1282 | } |
1283 | ||
a0d0e21e LW |
1284 | PP(pp_select) |
1285 | { | |
20b7effb | 1286 | dSP; dTARGET; |
4633a7c4 | 1287 | HV *hv; |
159b6efe | 1288 | GV * const newdefout = (PL_op->op_private > 0) ? (MUTABLE_GV(POPs)) : NULL; |
099be4f1 | 1289 | GV * egv = GvEGVx(PL_defoutgv); |
0df2568b | 1290 | GV * const *gvp; |
4633a7c4 | 1291 | |
4633a7c4 | 1292 | if (!egv) |
3280af22 | 1293 | egv = PL_defoutgv; |
099be4f1 | 1294 | hv = isGV_with_GP(egv) ? GvSTASH(egv) : NULL; |
0df2568b | 1295 | gvp = hv && HvENAME(hv) |
204263bc FC |
1296 | ? (GV**)hv_fetch(hv, GvNAME(egv), HEK_UTF8(GvNAME_HEK(egv)) ? -GvNAMELEN(egv) : GvNAMELEN(egv), FALSE) |
1297 | : NULL; | |
0df2568b | 1298 | if (gvp && *gvp == egv) { |
bd61b366 | 1299 | gv_efullname4(TARG, PL_defoutgv, NULL, TRUE); |
f86702cc | 1300 | XPUSHTARG; |
0df2568b FC |
1301 | } |
1302 | else { | |
ad64d0ec | 1303 | mXPUSHs(newRV(MUTABLE_SV(egv))); |
4633a7c4 LW |
1304 | } |
1305 | ||
1306 | if (newdefout) { | |
ded8aa31 GS |
1307 | if (!GvIO(newdefout)) |
1308 | gv_IOadd(newdefout); | |
4633a7c4 LW |
1309 | setdefout(newdefout); |
1310 | } | |
1311 | ||
a0d0e21e LW |
1312 | RETURN; |
1313 | } | |
1314 | ||
1315 | PP(pp_getc) | |
1316 | { | |
20b7effb | 1317 | dSP; dTARGET; |
30901a8a FC |
1318 | GV * const gv = |
1319 | MAXARG==0 || (!TOPs && !POPs) ? PL_stdingv : MUTABLE_GV(POPs); | |
9c9f25b8 | 1320 | IO *const io = GvIO(gv); |
2ae324a7 | 1321 | |
ac3697cd NC |
1322 | if (MAXARG == 0) |
1323 | EXTEND(SP, 1); | |
1324 | ||
9c9f25b8 | 1325 | if (io) { |
a5e1d062 | 1326 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 1327 | if (mg) { |
0240605e | 1328 | const U32 gimme = GIMME_V; |
3e0cb5de | 1329 | Perl_tied_method(aTHX_ SV_CONST(GETC), SP, MUTABLE_SV(io), mg, gimme, 0); |
0240605e NC |
1330 | if (gimme == G_SCALAR) { |
1331 | SPAGAIN; | |
a79db61d | 1332 | SvSetMagicSV_nosteal(TARG, TOPs); |
0240605e NC |
1333 | } |
1334 | return NORMAL; | |
a79db61d | 1335 | } |
2ae324a7 | 1336 | } |
90133b69 | 1337 | if (!gv || do_eof(gv)) { /* make sure we have fp with something */ |
51087808 | 1338 | if (!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)) |
831e4cc3 | 1339 | report_evil_fh(gv); |
b5fe5ca2 | 1340 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1341 | RETPUSHUNDEF; |
90133b69 | 1342 | } |
bbce6d69 | 1343 | TAINT; |
76f68e9b | 1344 | sv_setpvs(TARG, " "); |
9bc64814 | 1345 | *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */ |
7d59b7e4 NIS |
1346 | if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) { |
1347 | /* Find out how many bytes the char needs */ | |
aa07b2f6 | 1348 | Size_t len = UTF8SKIP(SvPVX_const(TARG)); |
7d59b7e4 NIS |
1349 | if (len > 1) { |
1350 | SvGROW(TARG,len+1); | |
1351 | len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1); | |
1352 | SvCUR_set(TARG,1+len); | |
1353 | } | |
1354 | SvUTF8_on(TARG); | |
1355 | } | |
88c34251 | 1356 | else SvUTF8_off(TARG); |
a0d0e21e LW |
1357 | PUSHTARG; |
1358 | RETURN; | |
1359 | } | |
1360 | ||
76e3520e | 1361 | STATIC OP * |
cea2e8a9 | 1362 | S_doform(pTHX_ CV *cv, GV *gv, OP *retop) |
a0d0e21e | 1363 | { |
eb578fdb | 1364 | PERL_CONTEXT *cx; |
f54cb97a | 1365 | const I32 gimme = GIMME_V; |
a0d0e21e | 1366 | |
7918f24d NC |
1367 | PERL_ARGS_ASSERT_DOFORM; |
1368 | ||
535e48ea | 1369 | if (CvCLONE(cv)) |
7b190374 NC |
1370 | cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv)))); |
1371 | ||
a0d0e21e LW |
1372 | ENTER; |
1373 | SAVETMPS; | |
1374 | ||
146174a9 | 1375 | PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp); |
10067d9a | 1376 | PUSHFORMAT(cx, retop); |
f32c7e86 FC |
1377 | if (CvDEPTH(cv) >= 2) { |
1378 | PERL_STACK_OVERFLOW_CHECK(); | |
1379 | pad_push(CvPADLIST(cv), CvDEPTH(cv)); | |
1380 | } | |
fd617465 | 1381 | SAVECOMPPAD(); |
f32c7e86 | 1382 | PAD_SET_CUR_NOSAVE(CvPADLIST(cv), CvDEPTH(cv)); |
a0d0e21e | 1383 | |
4633a7c4 | 1384 | setdefout(gv); /* locally select filehandle so $% et al work */ |
a0d0e21e LW |
1385 | return CvSTART(cv); |
1386 | } | |
1387 | ||
1388 | PP(pp_enterwrite) | |
1389 | { | |
39644a26 | 1390 | dSP; |
eb578fdb KW |
1391 | GV *gv; |
1392 | IO *io; | |
a0d0e21e | 1393 | GV *fgv; |
07822e36 JH |
1394 | CV *cv = NULL; |
1395 | SV *tmpsv = NULL; | |
a0d0e21e | 1396 | |
2addaaf3 | 1397 | if (MAXARG == 0) { |
2addaaf3 | 1398 | EXTEND(SP, 1); |
49225470 | 1399 | gv = PL_defoutgv; |
2addaaf3 | 1400 | } |
a0d0e21e | 1401 | else { |
159b6efe | 1402 | gv = MUTABLE_GV(POPs); |
a0d0e21e | 1403 | if (!gv) |
3280af22 | 1404 | gv = PL_defoutgv; |
a0d0e21e | 1405 | } |
a0d0e21e LW |
1406 | io = GvIO(gv); |
1407 | if (!io) { | |
1408 | RETPUSHNO; | |
1409 | } | |
1410 | if (IoFMT_GV(io)) | |
1411 | fgv = IoFMT_GV(io); | |
1412 | else | |
1413 | fgv = gv; | |
1414 | ||
2d1ebc9b | 1415 | assert(fgv); |
a79db61d | 1416 | |
a0d0e21e | 1417 | cv = GvFORM(fgv); |
a0d0e21e | 1418 | if (!cv) { |
10edeb5d | 1419 | tmpsv = sv_newmortal(); |
f4a7049d | 1420 | gv_efullname4(tmpsv, fgv, NULL, FALSE); |
2d1ebc9b | 1421 | DIE(aTHX_ "Undefined format \"%"SVf"\" called", SVfARG(tmpsv)); |
a0d0e21e | 1422 | } |
44a8e56a | 1423 | IoFLAGS(io) &= ~IOf_DIDTOP; |
8e4ecf23 | 1424 | RETURNOP(doform(cv,gv,PL_op->op_next)); |
a0d0e21e LW |
1425 | } |
1426 | ||
1427 | PP(pp_leavewrite) | |
1428 | { | |
20b7effb | 1429 | dSP; |
f9c764c5 | 1430 | GV * const gv = cxstack[cxstack_ix].blk_format.gv; |
eb578fdb | 1431 | IO * const io = GvIOp(gv); |
8b8cacda | 1432 | PerlIO *ofp; |
760ac839 | 1433 | PerlIO *fp; |
8772537c AL |
1434 | SV **newsp; |
1435 | I32 gimme; | |
eb578fdb | 1436 | PERL_CONTEXT *cx; |
8f89e5a9 | 1437 | OP *retop; |
a0d0e21e | 1438 | |
8b8cacda B |
1439 | if (!io || !(ofp = IoOFP(io))) |
1440 | goto forget_top; | |
1441 | ||
760ac839 | 1442 | DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n", |
3280af22 | 1443 | (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget))); |
8b8cacda | 1444 | |
3280af22 NIS |
1445 | if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) && |
1446 | PL_formtarget != PL_toptarget) | |
a0d0e21e | 1447 | { |
4633a7c4 LW |
1448 | GV *fgv; |
1449 | CV *cv; | |
a0d0e21e LW |
1450 | if (!IoTOP_GV(io)) { |
1451 | GV *topgv; | |
a0d0e21e LW |
1452 | |
1453 | if (!IoTOP_NAME(io)) { | |
1b6737cc | 1454 | SV *topname; |
a0d0e21e LW |
1455 | if (!IoFMT_NAME(io)) |
1456 | IoFMT_NAME(io) = savepv(GvNAME(gv)); | |
d0c0e7dd FC |
1457 | topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%"HEKf"_TOP", |
1458 | HEKfARG(GvNAME_HEK(gv)))); | |
f776e3cd | 1459 | topgv = gv_fetchsv(topname, 0, SVt_PVFM); |
748a9306 | 1460 | if ((topgv && GvFORM(topgv)) || |
fafc274c | 1461 | !gv_fetchpvs("top", GV_NOTQUAL, SVt_PVFM)) |
2e0de35c | 1462 | IoTOP_NAME(io) = savesvpv(topname); |
a0d0e21e | 1463 | else |
89529cee | 1464 | IoTOP_NAME(io) = savepvs("top"); |
a0d0e21e | 1465 | } |
f776e3cd | 1466 | topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM); |
a0d0e21e | 1467 | if (!topgv || !GvFORM(topgv)) { |
b929a54b | 1468 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
a0d0e21e LW |
1469 | goto forget_top; |
1470 | } | |
1471 | IoTOP_GV(io) = topgv; | |
1472 | } | |
748a9306 LW |
1473 | if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */ |
1474 | I32 lines = IoLINES_LEFT(io); | |
504618e9 | 1475 | const char *s = SvPVX_const(PL_formtarget); |
8e07c86e AD |
1476 | if (lines <= 0) /* Yow, header didn't even fit!!! */ |
1477 | goto forget_top; | |
748a9306 LW |
1478 | while (lines-- > 0) { |
1479 | s = strchr(s, '\n'); | |
1480 | if (!s) | |
1481 | break; | |
1482 | s++; | |
1483 | } | |
1484 | if (s) { | |
f54cb97a | 1485 | const STRLEN save = SvCUR(PL_formtarget); |
aa07b2f6 | 1486 | SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget)); |
d75029d0 NIS |
1487 | do_print(PL_formtarget, ofp); |
1488 | SvCUR_set(PL_formtarget, save); | |
3280af22 NIS |
1489 | sv_chop(PL_formtarget, s); |
1490 | FmLINES(PL_formtarget) -= IoLINES_LEFT(io); | |
748a9306 LW |
1491 | } |
1492 | } | |
a0d0e21e | 1493 | if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0) |
f6dfc736 | 1494 | do_print(GvSV(gv_fetchpvs("\f", GV_ADD, SVt_PV)), ofp); |
a0d0e21e LW |
1495 | IoLINES_LEFT(io) = IoPAGE_LEN(io); |
1496 | IoPAGE(io)++; | |
3280af22 | 1497 | PL_formtarget = PL_toptarget; |
748a9306 | 1498 | IoFLAGS(io) |= IOf_DIDTOP; |
4633a7c4 | 1499 | fgv = IoTOP_GV(io); |
636013b3 | 1500 | assert(fgv); /* IoTOP_GV(io) should have been set above */ |
4633a7c4 | 1501 | cv = GvFORM(fgv); |
1df70142 AL |
1502 | if (!cv) { |
1503 | SV * const sv = sv_newmortal(); | |
bd61b366 | 1504 | gv_efullname4(sv, fgv, NULL, FALSE); |
44b7e78a | 1505 | DIE(aTHX_ "Undefined top format \"%"SVf"\" called", SVfARG(sv)); |
4633a7c4 | 1506 | } |
43cd5cb7 | 1507 | return doform(cv, gv, PL_op); |
a0d0e21e LW |
1508 | } |
1509 | ||
1510 | forget_top: | |
3280af22 | 1511 | POPBLOCK(cx,PL_curpm); |
8f89e5a9 | 1512 | retop = cx->blk_sub.retop; |
25375124 | 1513 | POPFORMAT(cx); |
43cd5cb7 | 1514 | SP = newsp; /* ignore retval of formline */ |
a0d0e21e LW |
1515 | LEAVE; |
1516 | ||
c782dc1d FC |
1517 | if (!io || !(fp = IoOFP(io))) { |
1518 | if (io && IoIFP(io)) | |
7716c5c5 | 1519 | report_wrongway_fh(gv, '<'); |
c521cf7c | 1520 | else |
7716c5c5 | 1521 | report_evil_fh(gv); |
3280af22 | 1522 | PUSHs(&PL_sv_no); |
a0d0e21e LW |
1523 | } |
1524 | else { | |
3280af22 | 1525 | if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) { |
a2a5de95 | 1526 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), "page overflow"); |
a0d0e21e | 1527 | } |
d75029d0 | 1528 | if (!do_print(PL_formtarget, fp)) |
3280af22 | 1529 | PUSHs(&PL_sv_no); |
a0d0e21e | 1530 | else { |
3280af22 NIS |
1531 | FmLINES(PL_formtarget) = 0; |
1532 | SvCUR_set(PL_formtarget, 0); | |
1533 | *SvEND(PL_formtarget) = '\0'; | |
a0d0e21e | 1534 | if (IoFLAGS(io) & IOf_FLUSH) |
760ac839 | 1535 | (void)PerlIO_flush(fp); |
3280af22 | 1536 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1537 | } |
1538 | } | |
3280af22 | 1539 | PL_formtarget = PL_bodytarget; |
29033a8a | 1540 | PERL_UNUSED_VAR(gimme); |
8e4ecf23 | 1541 | RETURNOP(retop); |
a0d0e21e LW |
1542 | } |
1543 | ||
1544 | PP(pp_prtf) | |
1545 | { | |
20b7effb | 1546 | dSP; dMARK; dORIGMARK; |
760ac839 | 1547 | PerlIO *fp; |
a0d0e21e | 1548 | |
159b6efe NC |
1549 | GV * const gv |
1550 | = (PL_op->op_flags & OPf_STACKED) ? MUTABLE_GV(*++MARK) : PL_defoutgv; | |
9c9f25b8 | 1551 | IO *const io = GvIO(gv); |
46fc3d4c | 1552 | |
87385d72 FC |
1553 | /* Treat empty list as "" */ |
1554 | if (MARK == SP) XPUSHs(&PL_sv_no); | |
1555 | ||
9c9f25b8 | 1556 | if (io) { |
a5e1d062 | 1557 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d AL |
1558 | if (mg) { |
1559 | if (MARK == ORIGMARK) { | |
1560 | MEXTEND(SP, 1); | |
1561 | ++MARK; | |
1562 | Move(MARK, MARK + 1, (SP - MARK) + 1, SV*); | |
1563 | ++SP; | |
1564 | } | |
3e0cb5de | 1565 | return Perl_tied_method(aTHX_ SV_CONST(PRINTF), mark - 1, MUTABLE_SV(io), |
d682515d NC |
1566 | mg, |
1567 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, | |
1568 | sp - mark); | |
a79db61d | 1569 | } |
46fc3d4c | 1570 | } |
1571 | ||
9c9f25b8 | 1572 | if (!io) { |
51087808 | 1573 | report_evil_fh(gv); |
93189314 | 1574 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
1575 | goto just_say_no; |
1576 | } | |
1577 | else if (!(fp = IoOFP(io))) { | |
7716c5c5 NC |
1578 | if (IoIFP(io)) |
1579 | report_wrongway_fh(gv, '<'); | |
1580 | else if (ckWARN(WARN_CLOSED)) | |
1581 | report_evil_fh(gv); | |
93189314 | 1582 | SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI); |
a0d0e21e LW |
1583 | goto just_say_no; |
1584 | } | |
1585 | else { | |
c7bd8b84 | 1586 | SV *sv = sv_newmortal(); |
a0d0e21e LW |
1587 | do_sprintf(sv, SP - MARK, MARK + 1); |
1588 | if (!do_print(sv, fp)) | |
1589 | goto just_say_no; | |
1590 | ||
1591 | if (IoFLAGS(io) & IOf_FLUSH) | |
760ac839 | 1592 | if (PerlIO_flush(fp) == EOF) |
a0d0e21e LW |
1593 | goto just_say_no; |
1594 | } | |
a0d0e21e | 1595 | SP = ORIGMARK; |
3280af22 | 1596 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
1597 | RETURN; |
1598 | ||
1599 | just_say_no: | |
a0d0e21e | 1600 | SP = ORIGMARK; |
3280af22 | 1601 | PUSHs(&PL_sv_undef); |
a0d0e21e LW |
1602 | RETURN; |
1603 | } | |
1604 | ||
c07a80fd | 1605 | PP(pp_sysopen) |
1606 | { | |
39644a26 | 1607 | dSP; |
de5e49e1 | 1608 | const int perm = (MAXARG > 3 && (TOPs || POPs)) ? POPi : 0666; |
1df70142 | 1609 | const int mode = POPi; |
1b6737cc | 1610 | SV * const sv = POPs; |
159b6efe | 1611 | GV * const gv = MUTABLE_GV(POPs); |
1b6737cc | 1612 | STRLEN len; |
c07a80fd | 1613 | |
4592e6ca | 1614 | /* Need TIEHANDLE method ? */ |
1b6737cc | 1615 | const char * const tmps = SvPV_const(sv, len); |
d5eb9a46 | 1616 | if (do_open_raw(gv, tmps, len, mode, perm)) { |
c07a80fd | 1617 | IoLINES(GvIOp(gv)) = 0; |
3280af22 | 1618 | PUSHs(&PL_sv_yes); |
c07a80fd | 1619 | } |
1620 | else { | |
3280af22 | 1621 | PUSHs(&PL_sv_undef); |
c07a80fd | 1622 | } |
1623 | RETURN; | |
1624 | } | |
1625 | ||
b1c05ba5 DM |
1626 | |
1627 | /* also used for: pp_read() and pp_recv() (where supported) */ | |
1628 | ||
a0d0e21e LW |
1629 | PP(pp_sysread) |
1630 | { | |
20b7effb | 1631 | dSP; dMARK; dORIGMARK; dTARGET; |
0b423688 | 1632 | SSize_t offset; |
a0d0e21e LW |
1633 | IO *io; |
1634 | char *buffer; | |
0b423688 | 1635 | STRLEN orig_size; |
5b54f415 | 1636 | SSize_t length; |
eb5c063a | 1637 | SSize_t count; |
748a9306 | 1638 | SV *bufsv; |
a0d0e21e | 1639 | STRLEN blen; |
eb5c063a | 1640 | int fp_utf8; |
1dd30107 NC |
1641 | int buffer_utf8; |
1642 | SV *read_target; | |
eb5c063a NIS |
1643 | Size_t got = 0; |
1644 | Size_t wanted; | |
1d636c13 | 1645 | bool charstart = FALSE; |
87330c3c JH |
1646 | STRLEN charskip = 0; |
1647 | STRLEN skip = 0; | |
159b6efe | 1648 | GV * const gv = MUTABLE_GV(*++MARK); |
375ed12a JH |
1649 | int fd; |
1650 | ||
5b468f54 | 1651 | if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) |
1b6737cc | 1652 | && gv && (io = GvIO(gv)) ) |
137443ea | 1653 | { |
a5e1d062 | 1654 | const MAGIC *const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
1b6737cc | 1655 | if (mg) { |
3e0cb5de | 1656 | return Perl_tied_method(aTHX_ SV_CONST(READ), mark - 1, MUTABLE_SV(io), mg, |
d682515d NC |
1657 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, |
1658 | sp - mark); | |
1b6737cc | 1659 | } |
2ae324a7 | 1660 | } |
1661 | ||
a0d0e21e LW |
1662 | if (!gv) |
1663 | goto say_undef; | |
748a9306 | 1664 | bufsv = *++MARK; |
ff68c719 | 1665 | if (! SvOK(bufsv)) |
76f68e9b | 1666 | sv_setpvs(bufsv, ""); |
a0d0e21e | 1667 | length = SvIVx(*++MARK); |
4bac9ae4 CS |
1668 | if (length < 0) |
1669 | DIE(aTHX_ "Negative length"); | |
748a9306 | 1670 | SETERRNO(0,0); |
a0d0e21e LW |
1671 | if (MARK < SP) |
1672 | offset = SvIVx(*++MARK); | |
1673 | else | |
1674 | offset = 0; | |
1675 | io = GvIO(gv); | |
b5fe5ca2 | 1676 | if (!io || !IoIFP(io)) { |
51087808 | 1677 | report_evil_fh(gv); |
b5fe5ca2 | 1678 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e | 1679 | goto say_undef; |
b5fe5ca2 | 1680 | } |
375ed12a JH |
1681 | |
1682 | /* Note that fd can here validly be -1, don't check it yet. */ | |
1683 | fd = PerlIO_fileno(IoIFP(io)); | |
1684 | ||
0064a8a9 | 1685 | if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) { |
7d59b7e4 | 1686 | buffer = SvPVutf8_force(bufsv, blen); |
1e54db1a | 1687 | /* UTF-8 may not have been set if they are all low bytes */ |
eb5c063a | 1688 | SvUTF8_on(bufsv); |
9b9d7ce8 | 1689 | buffer_utf8 = 0; |
7d59b7e4 NIS |
1690 | } |
1691 | else { | |
1692 | buffer = SvPV_force(bufsv, blen); | |
1dd30107 | 1693 | buffer_utf8 = !IN_BYTES && SvUTF8(bufsv); |
7d59b7e4 | 1694 | } |
4bac9ae4 | 1695 | if (DO_UTF8(bufsv)) { |
3f914778 | 1696 | blen = sv_len_utf8_nomg(bufsv); |
4bac9ae4 | 1697 | } |
7d59b7e4 | 1698 | |
d0965105 JH |
1699 | charstart = TRUE; |
1700 | charskip = 0; | |
87330c3c | 1701 | skip = 0; |
4bac9ae4 | 1702 | wanted = length; |
d0965105 | 1703 | |
a0d0e21e | 1704 | #ifdef HAS_SOCKET |
533c011a | 1705 | if (PL_op->op_type == OP_RECV) { |
0b423688 | 1706 | Sock_size_t bufsize; |
46fc3d4c | 1707 | char namebuf[MAXPATHLEN]; |
375ed12a JH |
1708 | if (fd < 0) { |
1709 | SETERRNO(EBADF,SS_IVCHAN); | |
1710 | RETPUSHUNDEF; | |
1711 | } | |
b5afd346 | 1712 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(__QNXNTO__) |
490ab354 JH |
1713 | bufsize = sizeof (struct sockaddr_in); |
1714 | #else | |
46fc3d4c | 1715 | bufsize = sizeof namebuf; |
490ab354 | 1716 | #endif |
abf95952 IZ |
1717 | #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */ |
1718 | if (bufsize >= 256) | |
1719 | bufsize = 255; | |
1720 | #endif | |
eb160463 | 1721 | buffer = SvGROW(bufsv, (STRLEN)(length+1)); |
bbce6d69 | 1722 | /* 'offset' means 'flags' here */ |
375ed12a | 1723 | count = PerlSock_recvfrom(fd, buffer, length, offset, |
10edeb5d | 1724 | (struct sockaddr *)namebuf, &bufsize); |
eb5c063a | 1725 | if (count < 0) |
a0d0e21e | 1726 | RETPUSHUNDEF; |
8eb023a9 DM |
1727 | /* MSG_TRUNC can give oversized count; quietly lose it */ |
1728 | if (count > length) | |
1729 | count = length; | |
eb5c063a | 1730 | SvCUR_set(bufsv, count); |
748a9306 LW |
1731 | *SvEND(bufsv) = '\0'; |
1732 | (void)SvPOK_only(bufsv); | |
eb5c063a NIS |
1733 | if (fp_utf8) |
1734 | SvUTF8_on(bufsv); | |
748a9306 | 1735 | SvSETMAGIC(bufsv); |
aac0dd9a | 1736 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1737 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1738 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1739 | SP = ORIGMARK; |
e122534c TC |
1740 | #if defined(__CYGWIN__) |
1741 | /* recvfrom() on cygwin doesn't set bufsize at all for | |
1742 | connected sockets, leaving us with trash in the returned | |
1743 | name, so use the same test as the Win32 code to check if it | |
1744 | wasn't set, and set it [perl #118843] */ | |
1745 | if (bufsize == sizeof namebuf) | |
1746 | bufsize = 0; | |
1747 | #endif | |
46fc3d4c | 1748 | sv_setpvn(TARG, namebuf, bufsize); |
a0d0e21e LW |
1749 | PUSHs(TARG); |
1750 | RETURN; | |
1751 | } | |
a0d0e21e | 1752 | #endif |
bbce6d69 | 1753 | if (offset < 0) { |
0b423688 | 1754 | if (-offset > (SSize_t)blen) |
cea2e8a9 | 1755 | DIE(aTHX_ "Offset outside string"); |
bbce6d69 | 1756 | offset += blen; |
1757 | } | |
eb5c063a NIS |
1758 | if (DO_UTF8(bufsv)) { |
1759 | /* convert offset-as-chars to offset-as-bytes */ | |
d5f981bb | 1760 | if (offset >= (SSize_t)blen) |
6960c29a CH |
1761 | offset += SvCUR(bufsv) - blen; |
1762 | else | |
1763 | offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer; | |
eb5c063a | 1764 | } |
375ed12a | 1765 | |
eb5c063a | 1766 | more_bytes: |
375ed12a JH |
1767 | /* Reestablish the fd in case it shifted from underneath us. */ |
1768 | fd = PerlIO_fileno(IoIFP(io)); | |
1769 | ||
0b423688 | 1770 | orig_size = SvCUR(bufsv); |
1dd30107 NC |
1771 | /* Allocating length + offset + 1 isn't perfect in the case of reading |
1772 | bytes from a byte file handle into a UTF8 buffer, but it won't harm us | |
1773 | unduly. | |
1774 | (should be 2 * length + offset + 1, or possibly something longer if | |
47e13f24 | 1775 | IN_ENCODING Is true) */ |
eb160463 | 1776 | buffer = SvGROW(bufsv, (STRLEN)(length+offset+1)); |
0b423688 TC |
1777 | if (offset > 0 && offset > (SSize_t)orig_size) { /* Zero any newly allocated space */ |
1778 | Zero(buffer+orig_size, offset-orig_size, char); | |
cd52b7b2 | 1779 | } |
eb5c063a | 1780 | buffer = buffer + offset; |
1dd30107 NC |
1781 | if (!buffer_utf8) { |
1782 | read_target = bufsv; | |
1783 | } else { | |
1784 | /* Best to read the bytes into a new SV, upgrade that to UTF8, then | |
1785 | concatenate it to the current buffer. */ | |
1786 | ||
1787 | /* Truncate the existing buffer to the start of where we will be | |
1788 | reading to: */ | |
1789 | SvCUR_set(bufsv, offset); | |
1790 | ||
1791 | read_target = sv_newmortal(); | |
862a34c6 | 1792 | SvUPGRADE(read_target, SVt_PV); |
fe2774ed | 1793 | buffer = SvGROW(read_target, (STRLEN)(length + 1)); |
1dd30107 | 1794 | } |
eb5c063a | 1795 | |
533c011a | 1796 | if (PL_op->op_type == OP_SYSREAD) { |
a7092146 | 1797 | #ifdef PERL_SOCK_SYSREAD_IS_RECV |
50952442 | 1798 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
375ed12a JH |
1799 | if (fd < 0) { |
1800 | SETERRNO(EBADF,SS_IVCHAN); | |
1801 | count = -1; | |
1802 | } | |
1803 | else | |
1804 | count = PerlSock_recv(fd, buffer, length, 0); | |
a7092146 GS |
1805 | } |
1806 | else | |
1807 | #endif | |
1808 | { | |
375ed12a JH |
1809 | if (fd < 0) { |
1810 | SETERRNO(EBADF,RMS_IFI); | |
1811 | count = -1; | |
1812 | } | |
1813 | else | |
1814 | count = PerlLIO_read(fd, buffer, length); | |
a7092146 | 1815 | } |
a0d0e21e LW |
1816 | } |
1817 | else | |
3b02c43c | 1818 | { |
eb5c063a NIS |
1819 | count = PerlIO_read(IoIFP(io), buffer, length); |
1820 | /* PerlIO_read() - like fread() returns 0 on both error and EOF */ | |
1821 | if (count == 0 && PerlIO_error(IoIFP(io))) | |
1822 | count = -1; | |
3b02c43c | 1823 | } |
eb5c063a | 1824 | if (count < 0) { |
7716c5c5 | 1825 | if (IoTYPE(io) == IoTYPE_WRONLY) |
a5390457 | 1826 | report_wrongway_fh(gv, '>'); |
a0d0e21e | 1827 | goto say_undef; |
af8c498a | 1828 | } |
aa07b2f6 | 1829 | SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target))); |
1dd30107 NC |
1830 | *SvEND(read_target) = '\0'; |
1831 | (void)SvPOK_only(read_target); | |
0064a8a9 | 1832 | if (fp_utf8 && !IN_BYTES) { |
eb5c063a | 1833 | /* Look at utf8 we got back and count the characters */ |
1df70142 | 1834 | const char *bend = buffer + count; |
eb5c063a | 1835 | while (buffer < bend) { |
d0965105 JH |
1836 | if (charstart) { |
1837 | skip = UTF8SKIP(buffer); | |
1838 | charskip = 0; | |
1839 | } | |
1840 | if (buffer - charskip + skip > bend) { | |
eb5c063a NIS |
1841 | /* partial character - try for rest of it */ |
1842 | length = skip - (bend-buffer); | |
aa07b2f6 | 1843 | offset = bend - SvPVX_const(bufsv); |
d0965105 JH |
1844 | charstart = FALSE; |
1845 | charskip += count; | |
eb5c063a NIS |
1846 | goto more_bytes; |
1847 | } | |
1848 | else { | |
1849 | got++; | |
1850 | buffer += skip; | |
d0965105 JH |
1851 | charstart = TRUE; |
1852 | charskip = 0; | |
eb5c063a NIS |
1853 | } |
1854 | } | |
1855 | /* If we have not 'got' the number of _characters_ we 'wanted' get some more | |
1856 | provided amount read (count) was what was requested (length) | |
1857 | */ | |
1858 | if (got < wanted && count == length) { | |
d0965105 | 1859 | length = wanted - got; |
aa07b2f6 | 1860 | offset = bend - SvPVX_const(bufsv); |
eb5c063a NIS |
1861 | goto more_bytes; |
1862 | } | |
1863 | /* return value is character count */ | |
1864 | count = got; | |
1865 | SvUTF8_on(bufsv); | |
1866 | } | |
1dd30107 NC |
1867 | else if (buffer_utf8) { |
1868 | /* Let svcatsv upgrade the bytes we read in to utf8. | |
1869 | The buffer is a mortal so will be freed soon. */ | |
1870 | sv_catsv_nomg(bufsv, read_target); | |
1871 | } | |
748a9306 | 1872 | SvSETMAGIC(bufsv); |
aac0dd9a | 1873 | /* This should not be marked tainted if the fp is marked clean */ |
bbce6d69 | 1874 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
1875 | SvTAINTED_on(bufsv); | |
a0d0e21e | 1876 | SP = ORIGMARK; |
eb5c063a | 1877 | PUSHi(count); |
a0d0e21e LW |
1878 | RETURN; |
1879 | ||
1880 | say_undef: | |
1881 | SP = ORIGMARK; | |
1882 | RETPUSHUNDEF; | |
1883 | } | |
1884 | ||
b1c05ba5 DM |
1885 | |
1886 | /* also used for: pp_send() where defined */ | |
1887 | ||
60504e18 | 1888 | PP(pp_syswrite) |
a0d0e21e | 1889 | { |
20b7effb | 1890 | dSP; dMARK; dORIGMARK; dTARGET; |
748a9306 | 1891 | SV *bufsv; |
83003860 | 1892 | const char *buffer; |
8c99d73e | 1893 | SSize_t retval; |
a0d0e21e | 1894 | STRLEN blen; |
c9cb0f41 | 1895 | STRLEN orig_blen_bytes; |
64a1bc8e | 1896 | const int op_type = PL_op->op_type; |
c9cb0f41 NC |
1897 | bool doing_utf8; |
1898 | U8 *tmpbuf = NULL; | |
159b6efe | 1899 | GV *const gv = MUTABLE_GV(*++MARK); |
91472ad4 | 1900 | IO *const io = GvIO(gv); |
375ed12a | 1901 | int fd; |
91472ad4 NC |
1902 | |
1903 | if (op_type == OP_SYSWRITE && io) { | |
a5e1d062 | 1904 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 1905 | if (mg) { |
a79db61d | 1906 | if (MARK == SP - 1) { |
c8834ab7 TC |
1907 | SV *sv = *SP; |
1908 | mXPUSHi(sv_len(sv)); | |
a79db61d AL |
1909 | PUTBACK; |
1910 | } | |
1911 | ||
3e0cb5de | 1912 | return Perl_tied_method(aTHX_ SV_CONST(WRITE), mark - 1, MUTABLE_SV(io), mg, |
d682515d NC |
1913 | G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK, |
1914 | sp - mark); | |
64a1bc8e | 1915 | } |
1d603a67 | 1916 | } |
a0d0e21e LW |
1917 | if (!gv) |
1918 | goto say_undef; | |
64a1bc8e | 1919 | |
748a9306 | 1920 | bufsv = *++MARK; |
64a1bc8e | 1921 | |
748a9306 | 1922 | SETERRNO(0,0); |
cf167416 | 1923 | if (!io || !IoIFP(io) || IoTYPE(io) == IoTYPE_RDONLY) { |
8c99d73e | 1924 | retval = -1; |
51087808 NC |
1925 | if (io && IoIFP(io)) |
1926 | report_wrongway_fh(gv, '<'); | |
1927 | else | |
1928 | report_evil_fh(gv); | |
b5fe5ca2 | 1929 | SETERRNO(EBADF,RMS_IFI); |
7d59b7e4 NIS |
1930 | goto say_undef; |
1931 | } | |
375ed12a JH |
1932 | fd = PerlIO_fileno(IoIFP(io)); |
1933 | if (fd < 0) { | |
1934 | SETERRNO(EBADF,SS_IVCHAN); | |
1935 | retval = -1; | |
1936 | goto say_undef; | |
1937 | } | |
7d59b7e4 | 1938 | |
c9cb0f41 NC |
1939 | /* Do this first to trigger any overloading. */ |
1940 | buffer = SvPV_const(bufsv, blen); | |
1941 | orig_blen_bytes = blen; | |
1942 | doing_utf8 = DO_UTF8(bufsv); | |
1943 | ||
7d59b7e4 | 1944 | if (PerlIO_isutf8(IoIFP(io))) { |
6aa2f6a7 | 1945 | if (!SvUTF8(bufsv)) { |
c9cb0f41 NC |
1946 | /* We don't modify the original scalar. */ |
1947 | tmpbuf = bytes_to_utf8((const U8*) buffer, &blen); | |
1948 | buffer = (char *) tmpbuf; | |
1949 | doing_utf8 = TRUE; | |
1950 | } | |
a0d0e21e | 1951 | } |
c9cb0f41 NC |
1952 | else if (doing_utf8) { |
1953 | STRLEN tmplen = blen; | |
a79db61d | 1954 | U8 * const result = bytes_from_utf8((const U8*) buffer, &tmplen, &doing_utf8); |
c9cb0f41 NC |
1955 | if (!doing_utf8) { |
1956 | tmpbuf = result; | |
1957 | buffer = (char *) tmpbuf; | |
1958 | blen = tmplen; | |
1959 | } | |
1960 | else { | |
1961 | assert((char *)result == buffer); | |
1962 | Perl_croak(aTHX_ "Wide character in %s", OP_DESC(PL_op)); | |
1963 | } | |
7d59b7e4 NIS |
1964 | } |
1965 | ||
e2712234 | 1966 | #ifdef HAS_SOCKET |
7627e6d0 | 1967 | if (op_type == OP_SEND) { |
e2712234 NC |
1968 | const int flags = SvIVx(*++MARK); |
1969 | if (SP > MARK) { | |
1970 | STRLEN mlen; | |
1971 | char * const sockbuf = SvPVx(*++MARK, mlen); | |
375ed12a | 1972 | retval = PerlSock_sendto(fd, buffer, blen, |
e2712234 NC |
1973 | flags, (struct sockaddr *)sockbuf, mlen); |
1974 | } | |
1975 | else { | |
375ed12a | 1976 | retval = PerlSock_send(fd, buffer, blen, flags); |
e2712234 | 1977 | } |
7627e6d0 NC |
1978 | } |
1979 | else | |
e2712234 | 1980 | #endif |
7627e6d0 | 1981 | { |
c9cb0f41 NC |
1982 | Size_t length = 0; /* This length is in characters. */ |
1983 | STRLEN blen_chars; | |
7d59b7e4 | 1984 | IV offset; |
c9cb0f41 NC |
1985 | |
1986 | if (doing_utf8) { | |
1987 | if (tmpbuf) { | |
1988 | /* The SV is bytes, and we've had to upgrade it. */ | |
1989 | blen_chars = orig_blen_bytes; | |
1990 | } else { | |
1991 | /* The SV really is UTF-8. */ | |
3f914778 FC |
1992 | /* Don't call sv_len_utf8 on a magical or overloaded |
1993 | scalar, as we might get back a different result. */ | |
1994 | blen_chars = sv_or_pv_len_utf8(bufsv, buffer, blen); | |
c9cb0f41 NC |
1995 | } |
1996 | } else { | |
1997 | blen_chars = blen; | |
1998 | } | |
1999 | ||
2000 | if (MARK >= SP) { | |
2001 | length = blen_chars; | |
2002 | } else { | |
2003 | #if Size_t_size > IVSIZE | |
2004 | length = (Size_t)SvNVx(*++MARK); | |
2005 | #else | |
2006 | length = (Size_t)SvIVx(*++MARK); | |
2007 | #endif | |
4b0c4b6f NC |
2008 | if ((SSize_t)length < 0) { |
2009 | Safefree(tmpbuf); | |
c9cb0f41 | 2010 | DIE(aTHX_ "Negative length"); |
4b0c4b6f | 2011 | } |
7d59b7e4 | 2012 | } |
c9cb0f41 | 2013 | |
bbce6d69 | 2014 | if (MARK < SP) { |
a0d0e21e | 2015 | offset = SvIVx(*++MARK); |
bbce6d69 | 2016 | if (offset < 0) { |
4b0c4b6f NC |
2017 | if (-offset > (IV)blen_chars) { |
2018 | Safefree(tmpbuf); | |
cea2e8a9 | 2019 | DIE(aTHX_ "Offset outside string"); |
4b0c4b6f | 2020 | } |
c9cb0f41 | 2021 | offset += blen_chars; |
3c946528 | 2022 | } else if (offset > (IV)blen_chars) { |
4b0c4b6f | 2023 | Safefree(tmpbuf); |
cea2e8a9 | 2024 | DIE(aTHX_ "Offset outside string"); |
4b0c4b6f | 2025 | } |
bbce6d69 | 2026 | } else |
a0d0e21e | 2027 | offset = 0; |
c9cb0f41 NC |
2028 | if (length > blen_chars - offset) |
2029 | length = blen_chars - offset; | |
2030 | if (doing_utf8) { | |
2031 | /* Here we convert length from characters to bytes. */ | |
2032 | if (tmpbuf || SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) { | |
2033 | /* Either we had to convert the SV, or the SV is magical, or | |
2034 | the SV has overloading, in which case we can't or mustn't | |
2035 | or mustn't call it again. */ | |
2036 | ||
2037 | buffer = (const char*)utf8_hop((const U8 *)buffer, offset); | |
2038 | length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer; | |
2039 | } else { | |
2040 | /* It's a real UTF-8 SV, and it's not going to change under | |
2041 | us. Take advantage of any cache. */ | |
2042 | I32 start = offset; | |
2043 | I32 len_I32 = length; | |
2044 | ||
2045 | /* Convert the start and end character positions to bytes. | |
2046 | Remember that the second argument to sv_pos_u2b is relative | |
2047 | to the first. */ | |
2048 | sv_pos_u2b(bufsv, &start, &len_I32); | |
2049 | ||
2050 | buffer += start; | |
2051 | length = len_I32; | |
2052 | } | |
7d59b7e4 NIS |
2053 | } |
2054 | else { | |
2055 | buffer = buffer+offset; | |
2056 | } | |
a7092146 | 2057 | #ifdef PERL_SOCK_SYSWRITE_IS_SEND |
50952442 | 2058 | if (IoTYPE(io) == IoTYPE_SOCKET) { |
375ed12a | 2059 | retval = PerlSock_send(fd, buffer, length, 0); |
a7092146 GS |
2060 | } |
2061 | else | |
2062 | #endif | |
2063 | { | |
94e4c244 | 2064 | /* See the note at doio.c:do_print about filesize limits. --jhi */ |
375ed12a | 2065 | retval = PerlLIO_write(fd, buffer, length); |
a7092146 | 2066 | } |
a0d0e21e | 2067 | } |
c9cb0f41 | 2068 | |
8c99d73e | 2069 | if (retval < 0) |
a0d0e21e LW |
2070 | goto say_undef; |
2071 | SP = ORIGMARK; | |
c9cb0f41 | 2072 | if (doing_utf8) |
f36eea10 | 2073 | retval = utf8_length((U8*)buffer, (U8*)buffer + retval); |
4b0c4b6f | 2074 | |
a79db61d | 2075 | Safefree(tmpbuf); |
8c99d73e GS |
2076 | #if Size_t_size > IVSIZE |
2077 | PUSHn(retval); | |
2078 | #else | |
2079 | PUSHi(retval); | |
2080 | #endif | |
a0d0e21e LW |
2081 | RETURN; |
2082 | ||
2083 | say_undef: | |
a79db61d | 2084 | Safefree(tmpbuf); |
a0d0e21e LW |
2085 | SP = ORIGMARK; |
2086 | RETPUSHUNDEF; | |
2087 | } | |
2088 | ||
a0d0e21e LW |
2089 | PP(pp_eof) |
2090 | { | |
20b7effb | 2091 | dSP; |
a0d0e21e | 2092 | GV *gv; |
32e65323 | 2093 | IO *io; |
a5e1d062 | 2094 | const MAGIC *mg; |
bc0c81ca NC |
2095 | /* |
2096 | * in Perl 5.12 and later, the additional parameter is a bitmask: | |
2097 | * 0 = eof | |
2098 | * 1 = eof(FH) | |
2099 | * 2 = eof() <- ARGV magic | |
2100 | * | |
2101 | * I'll rely on the compiler's trace flow analysis to decide whether to | |
2102 | * actually assign this out here, or punt it into the only block where it is | |
2103 | * used. Doing it out here is DRY on the condition logic. | |
2104 | */ | |
2105 | unsigned int which; | |
a0d0e21e | 2106 | |
bc0c81ca | 2107 | if (MAXARG) { |
32e65323 | 2108 | gv = PL_last_in_gv = MUTABLE_GV(POPs); /* eof(FH) */ |
bc0c81ca NC |
2109 | which = 1; |
2110 | } | |
b5f55170 NC |
2111 | else { |
2112 | EXTEND(SP, 1); | |
2113 | ||
bc0c81ca | 2114 | if (PL_op->op_flags & OPf_SPECIAL) { |
b5f55170 | 2115 | gv = PL_last_in_gv = GvEGVx(PL_argvgv); /* eof() - ARGV magic */ |
bc0c81ca NC |
2116 | which = 2; |
2117 | } | |
2118 | else { | |
b5f55170 | 2119 | gv = PL_last_in_gv; /* eof */ |
bc0c81ca NC |
2120 | which = 0; |
2121 | } | |
b5f55170 | 2122 | } |
32e65323 CS |
2123 | |
2124 | if (!gv) | |
2125 | RETPUSHNO; | |
2126 | ||
2127 | if ((io = GvIO(gv)) && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) { | |
3e0cb5de | 2128 | return tied_method1(SV_CONST(EOF), SP, MUTABLE_SV(io), mg, newSVuv(which)); |
146174a9 | 2129 | } |
4592e6ca | 2130 | |
32e65323 CS |
2131 | if (!MAXARG && (PL_op->op_flags & OPf_SPECIAL)) { /* eof() */ |
2132 | if (io && !IoIFP(io)) { | |
b9f2b683 | 2133 | if ((IoFLAGS(io) & IOf_START) && av_tindex(GvAVn(gv)) < 0) { |
1037353b | 2134 | SV ** svp; |
32e65323 CS |
2135 | IoLINES(io) = 0; |
2136 | IoFLAGS(io) &= ~IOf_START; | |
d5eb9a46 | 2137 | do_open6(gv, "-", 1, NULL, NULL, 0); |
1037353b DD |
2138 | svp = &GvSV(gv); |
2139 | if (*svp) { | |
2140 | SV * sv = *svp; | |
2141 | sv_setpvs(sv, "-"); | |
2142 | SvSETMAGIC(sv); | |
2143 | } | |
32e65323 | 2144 | else |
1037353b | 2145 | *svp = newSVpvs("-"); |
32e65323 | 2146 | } |
157fb5a1 | 2147 | else if (!nextargv(gv, FALSE)) |
32e65323 | 2148 | RETPUSHYES; |
6136c704 | 2149 | } |
4592e6ca NIS |
2150 | } |
2151 | ||
32e65323 | 2152 | PUSHs(boolSV(do_eof(gv))); |
a0d0e21e LW |
2153 | RETURN; |
2154 | } | |
2155 | ||
2156 | PP(pp_tell) | |
2157 | { | |
20b7effb | 2158 | dSP; dTARGET; |
301e8125 | 2159 | GV *gv; |
5b468f54 | 2160 | IO *io; |
a0d0e21e | 2161 | |
b64a1294 | 2162 | if (MAXARG != 0 && (TOPs || POPs)) |
159b6efe | 2163 | PL_last_in_gv = MUTABLE_GV(POPs); |
ac3697cd NC |
2164 | else |
2165 | EXTEND(SP, 1); | |
c4420975 | 2166 | gv = PL_last_in_gv; |
4592e6ca | 2167 | |
9c9f25b8 NC |
2168 | io = GvIO(gv); |
2169 | if (io) { | |
a5e1d062 | 2170 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 2171 | if (mg) { |
3e0cb5de | 2172 | return tied_method0(SV_CONST(TELL), SP, MUTABLE_SV(io), mg); |
a79db61d | 2173 | } |
4592e6ca | 2174 | } |
f4817f32 | 2175 | else if (!gv) { |
f03173f2 RGS |
2176 | if (!errno) |
2177 | SETERRNO(EBADF,RMS_IFI); | |
2178 | PUSHi(-1); | |
2179 | RETURN; | |
2180 | } | |
4592e6ca | 2181 | |
146174a9 CB |
2182 | #if LSEEKSIZE > IVSIZE |
2183 | PUSHn( do_tell(gv) ); | |
2184 | #else | |
a0d0e21e | 2185 | PUSHi( do_tell(gv) ); |
146174a9 | 2186 | #endif |
a0d0e21e LW |
2187 | RETURN; |
2188 | } | |
2189 | ||
b1c05ba5 DM |
2190 | |
2191 | /* also used for: pp_seek() */ | |
2192 | ||
137443ea | 2193 | PP(pp_sysseek) |
2194 | { | |
20b7effb | 2195 | dSP; |
1df70142 | 2196 | const int whence = POPi; |
146174a9 | 2197 | #if LSEEKSIZE > IVSIZE |
7452cf6a | 2198 | const Off_t offset = (Off_t)SvNVx(POPs); |
146174a9 | 2199 | #else |
7452cf6a | 2200 | const Off_t offset = (Off_t)SvIVx(POPs); |
146174a9 | 2201 | #endif |
a0d0e21e | 2202 | |
159b6efe | 2203 | GV * const gv = PL_last_in_gv = MUTABLE_GV(POPs); |
9c9f25b8 | 2204 | IO *const io = GvIO(gv); |
4592e6ca | 2205 | |
9c9f25b8 | 2206 | if (io) { |
a5e1d062 | 2207 | const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar); |
a79db61d | 2208 | if (mg) { |
cb50131a | 2209 | #if LSEEKSIZE > IVSIZE |
74f0b550 | 2210 | SV *const offset_sv = newSVnv((NV) offset); |
cb50131a | 2211 | #else |
74f0b550 | 2212 | SV *const offset_sv = newSViv(offset); |
cb50131a | 2213 | #endif |
bc0c81ca | 2214 | |
3e0cb5de | 2215 | return tied_method2(SV_CONST(SEEK), SP, MUTABLE_SV(io), mg, offset_sv, |
d682515d | 2216 | newSViv(whence)); |
a79db61d | 2217 | } |
4592e6ca NIS |
2218 | } |
2219 | ||
533c011a | 2220 | if (PL_op->op_type == OP_SEEK) |
8903cb82 | 2221 | PUSHs(boolSV(do_seek(gv, offset, whence))); |
2222 | else { | |
0bcc34c2 | 2223 | const Off_t sought = do_sysseek(gv, offset, whence); |
b448e4fe | 2224 | if (sought < 0) |
146174a9 CB |
2225 | PUSHs(&PL_sv_undef); |
2226 | else { | |
7452cf6a | 2227 | SV* const sv = sought ? |
146174a9 | 2228 | #if LSEEKSIZE > IVSIZE |
b448e4fe | 2229 | newSVnv((NV)sought) |
146174a9 | 2230 | #else |
b448e4fe | 2231 | newSViv(sought) |
146174a9 CB |
2232 | #endif |
2233 | : newSVpvn(zero_but_true, ZBTLEN); | |
6e449a3a | 2234 | mPUSHs(sv); |
146174a9 | 2235 | } |
8903cb82 | 2236 | } |
a0d0e21e LW |
2237 | RETURN; |
2238 | } | |
2239 | ||
2240 | PP(pp_truncate) | |
2241 | { | |
39644a26 | 2242 | dSP; |
8c99d73e GS |
2243 | /* There seems to be no consensus on the length type of truncate() |
2244 | * and ftruncate(), both off_t and size_t have supporters. In | |
2245 | * general one would think that when using large files, off_t is | |
2246 | * at least as wide as size_t, so using an off_t should be okay. */ | |
2247 | /* XXX Configure probe for the length type of *truncate() needed XXX */ | |
0bcc34c2 | 2248 | Off_t len; |
a0d0e21e | 2249 | |
25342a55 | 2250 | #if Off_t_size > IVSIZE |
0bcc34c2 | 2251 | len = (Off_t)POPn; |
8c99d73e | 2252 | #else |
0bcc34c2 | 2253 | len = (Off_t)POPi; |
8c99d73e GS |
2254 | #endif |
2255 | /* Checking for length < 0 is problematic as the type might or | |
301e8125 | 2256 | * might not be signed: if it is not, clever compilers will moan. */ |
8c99d73e | 2257 | /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */ |
748a9306 | 2258 | SETERRNO(0,0); |
d05c1ba0 | 2259 | { |
5e0adc2d | 2260 | SV * const sv = POPs; |
d05c1ba0 JH |
2261 | int result = 1; |
2262 | GV *tmpgv; | |
090bf15b SR |
2263 | IO *io; |
2264 | ||
42409c40 FC |
2265 | if (PL_op->op_flags & OPf_SPECIAL |
2266 | ? (tmpgv = gv_fetchsv(sv, 0, SVt_PVIO), 1) | |
2267 | : !!(tmpgv = MAYBE_DEREF_GV(sv)) ) { | |
9c9f25b8 NC |
2268 | io = GvIO(tmpgv); |
2269 | if (!io) | |
090bf15b | 2270 | result = 0; |
d05c1ba0 | 2271 | else { |
090bf15b | 2272 | PerlIO *fp; |
090bf15b SR |
2273 | do_ftruncate_io: |
2274 | TAINT_PROPER("truncate"); | |
2275 | if (!(fp = IoIFP(io))) { | |
2276 | result = 0; | |
2277 | } | |
2278 | else { | |
375ed12a JH |
2279 | int fd = PerlIO_fileno(fp); |
2280 | if (fd < 0) { | |
2281 | SETERRNO(EBADF,RMS_IFI); | |
2282 | result = 0; | |
2283 | } else { | |
2284 | PerlIO_flush(fp); | |
cbdc8872 | 2285 | #ifdef HAS_TRUNCATE |
375ed12a | 2286 | if (ftruncate(fd, len) < 0) |
301e8125 | 2287 | #else |
375ed12a | 2288 | if (my_chsize(fd, len) < 0) |
cbdc8872 | 2289 | #endif |
375ed12a JH |
2290 | result = 0; |
2291 | } | |
090bf15b | 2292 | } |
d05c1ba0 | 2293 | } |
cbdc8872 | 2294 | } |
5e0adc2d | 2295 | else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { |
a45c7426 | 2296 | io = MUTABLE_IO(SvRV(sv)); /* *main::FRED{IO} for example */ |
090bf15b | 2297 | goto do_ftruncate_io; |
5e0adc2d FC |
2298 | } |
2299 | else { | |
2300 | const char * const name = SvPV_nomg_const_nolen(sv); | |
d05c1ba0 | 2301 | TAINT_PROPER("truncate"); |
cbdc8872 | 2302 | #ifdef HAS_TRUNCATE |
d05c1ba0 JH |
2303 | if (truncate(name, len) < 0) |
2304 | result = 0; | |
cbdc8872 | 2305 | #else |
d05c1ba0 | 2306 | { |
7452cf6a | 2307 | const int tmpfd = PerlLIO_open(name, O_RDWR); |
d05c1ba0 | 2308 | |
375ed12a JH |
2309 | if (tmpfd < 0) { |
2310 | SETERRNO(EBADF,RMS_IFI); | |
cbdc8872 | 2311 | result = 0; |
375ed12a | 2312 | } else { |
d05c1ba0 JH |
2313 | if (my_chsize(tmpfd, len) < 0) |
2314 | result = 0; | |
2315 | PerlLIO_close(tmpfd); | |
2316 | } | |
cbdc8872 | 2317 | } |
a0d0e21e | 2318 | #endif |
d05c1ba0 | 2319 | } |
a0d0e21e | 2320 | |
d05c1ba0 JH |
2321 | if (result) |
2322 | RETPUSHYES; | |
2323 | if (!errno) | |
93189314 | 2324 | SETERRNO(EBADF,RMS_IFI); |
d05c1ba0 JH |
2325 | RETPUSHUNDEF; |
2326 | } | |
a0d0e21e LW |
2327 | } |
2328 | ||
b1c05ba5 DM |
2329 | |
2330 | /* also used for: pp_fcntl() */ | |
2331 | ||
a0d0e21e LW |
2332 | PP(pp_ioctl) |
2333 | { | |
20b7effb | 2334 | dSP; dTARGET; |
7452cf6a | 2335 | SV * const argsv = POPs; |
1df70142 | 2336 | const unsigned int func = POPu; |
49225470 | 2337 | int optype; |
159b6efe | 2338 | GV * const gv = MUTABLE_GV(POPs); |
8a6c0fcb | 2339 | IO * const io = GvIOn(gv); |
a0d0e21e | 2340 | char *s; |
324aa91a | 2341 | IV retval; |
a0d0e21e | 2342 | |
8a6c0fcb | 2343 | if (!IoIFP(io)) { |
51087808 | 2344 | report_evil_fh(gv); |
93189314 | 2345 | SETERRNO(EBADF,RMS_IFI); /* well, sort of... */ |
a0d0e21e LW |
2346 | RETPUSHUNDEF; |
2347 | } | |
2348 | ||
748a9306 | 2349 | if (SvPOK(argsv) || !SvNIOK(argsv)) { |
a0d0e21e | 2350 | STRLEN len; |
324aa91a | 2351 | STRLEN need; |
748a9306 | 2352 | s = SvPV_force(argsv, len); |
324aa91a HF |
2353 | need = IOCPARM_LEN(func); |
2354 | if (len < need) { | |
2355 | s = Sv_Grow(argsv, need + 1); | |
2356 | SvCUR_set(argsv, need); | |
a0d0e21e LW |
2357 | } |
2358 | ||
748a9306 | 2359 | s[SvCUR(argsv)] = 17; /* a little sanity check here */ |
a0d0e21e LW |
2360 | } |
2361 | else { | |
748a9306 | 2362 | retval = SvIV(argsv); |
c529f79d | 2363 | s = INT2PTR(char*,retval); /* ouch */ |
a0d0e21e LW |
2364 | } |
2365 | ||
49225470 | 2366 | optype = PL_op->op_type; |
ed4b2e6b | 2367 | TAINT_PROPER(PL_op_desc[optype]); |
a0d0e21e LW |
2368 | |
2369 | if (optype == OP_IOCTL) | |
2370 | #ifdef HAS_IOCTL | |
76e3520e | 2371 | retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s); |
a0d0e21e | 2372 | #else |
cea2e8a9 | 2373 | DIE(aTHX_ "ioctl is not implemented"); |
a0d0e21e LW |
2374 | #endif |
2375 | else | |
c214f4ad WB |
2376 | #ifndef HAS_FCNTL |
2377 | DIE(aTHX_ "fcntl is not implemented"); | |
2378 | #else | |
55497cff | 2379 | #if defined(OS2) && defined(__EMX__) |
760ac839 | 2380 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s); |
55497cff | 2381 | #else |
760ac839 | 2382 | retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s); |
301e8125 | 2383 | #endif |
6652bd42 | 2384 | #endif |
a0d0e21e | 2385 | |
6652bd42 | 2386 | #if defined(HAS_IOCTL) || defined(HAS_FCNTL) |
748a9306 LW |
2387 | if (SvPOK(argsv)) { |
2388 | if (s[SvCUR(argsv)] != 17) | |
cea2e8a9 | 2389 | DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument", |
53e06cf0 | 2390 | OP_NAME(PL_op)); |
748a9306 LW |
2391 | s[SvCUR(argsv)] = 0; /* put our null back */ |
2392 | SvSETMAGIC(argsv); /* Assume it has changed */ | |
a0d0e21e LW |
2393 | } |
2394 | ||
2395 | if (retval == -1) | |
2396 | RETPUSHUNDEF; | |
2397 | if (retval != 0) { | |
2398 | PUSHi(retval); | |
2399 | } | |
2400 | else { | |
8903cb82 | 2401 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e | 2402 | } |
4808266b | 2403 | #endif |
c214f4ad | 2404 | RETURN; |
a0d0e21e LW |
2405 | } |
2406 | ||
2407 | PP(pp_flock) | |
2408 | { | |
9cad6237 | 2409 | #ifdef FLOCK |
20b7effb | 2410 | dSP; dTARGET; |
a0d0e21e | 2411 | I32 value; |
7452cf6a | 2412 | const int argtype = POPi; |
1f28cbca | 2413 | GV * const gv = MUTABLE_GV(POPs); |
9c9f25b8 NC |
2414 | IO *const io = GvIO(gv); |
2415 | PerlIO *const fp = io ? IoIFP(io) : NULL; | |
16d20bd9 | 2416 | |
0bcc34c2 | 2417 | /* XXX Looks to me like io is always NULL at this point */ |
a0d0e21e | 2418 | if (fp) { |
68dc0745 | 2419 | (void)PerlIO_flush(fp); |
76e3520e | 2420 | value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0); |
a0d0e21e | 2421 | } |
cb50131a | 2422 | else { |
51087808 | 2423 | report_evil_fh(gv); |
a0d0e21e | 2424 | value = 0; |
93189314 | 2425 | SETERRNO(EBADF,RMS_IFI); |
cb50131a | 2426 | } |
a0d0e21e LW |
2427 | PUSHi(value); |
2428 | RETURN; | |
2429 | #else | |
56a94ef2 | 2430 | DIE(aTHX_ PL_no_func, "flock"); |
a0d0e21e LW |
2431 | #endif |
2432 | } | |
2433 | ||
2434 | /* Sockets. */ | |
2435 | ||
7627e6d0 NC |
2436 | #ifdef HAS_SOCKET |
2437 | ||
a0d0e21e LW |
2438 | PP(pp_socket) |
2439 | { | |
20b7effb | 2440 | dSP; |
7452cf6a AL |
2441 | const int protocol = POPi; |
2442 | const int type = POPi; | |
2443 | const int domain = POPi; | |
159b6efe | 2444 | GV * const gv = MUTABLE_GV(POPs); |
5805b585 | 2445 | IO * const io = GvIOn(gv); |
a0d0e21e LW |
2446 | int fd; |
2447 | ||
57171420 BS |
2448 | if (IoIFP(io)) |
2449 | do_close(gv, FALSE); | |
2450 | ||
a0d0e21e | 2451 | TAINT_PROPER("socket"); |
6ad3d225 | 2452 | fd = PerlSock_socket(domain, type, protocol); |
375ed12a JH |
2453 | if (fd < 0) { |
2454 | SETERRNO(EBADF,RMS_IFI); | |
a0d0e21e | 2455 | RETPUSHUNDEF; |
375ed12a | 2456 | } |
460c8493 IZ |
2457 | IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */ |
2458 | IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2459 | IoTYPE(io) = IoTYPE_SOCKET; |
a0d0e21e | 2460 | if (!IoIFP(io) || !IoOFP(io)) { |
760ac839 LW |
2461 | if (IoIFP(io)) PerlIO_close(IoIFP(io)); |
2462 | if (IoOFP(io)) PerlIO_close(IoOFP(io)); | |
6ad3d225 | 2463 | if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd); |
a0d0e21e LW |
2464 | RETPUSHUNDEF; |
2465 | } | |
8d2a6795 | 2466 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
375ed12a JH |
2467 | if (fcntl(fd, F_SETFD, fd > PL_maxsysfd) < 0) /* ensure close-on-exec */ |
2468 | RETPUSHUNDEF; | |
8d2a6795 | 2469 | #endif |
a0d0e21e LW |
2470 | |
2471 | RETPUSHYES; | |
a0d0e21e | 2472 | } |
7627e6d0 | 2473 | #endif |
a0d0e21e LW |
2474 | |
2475 | PP(pp_sockpair) | |
2476 | { | |
c95c94b1 | 2477 | #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET)) |
20b7effb | 2478 | dSP; |
e0b7b5e2 | 2479 | int fd[2]; |
7452cf6a AL |
2480 | const int protocol = POPi; |
2481 | const int type = POPi; | |
2482 | const int domain = POPi; | |
e0b7b5e2 | 2483 | |
159b6efe | 2484 | GV * const gv2 = MUTABLE_GV(POPs); |
49561e08 FC |
2485 | IO * const io2 = GvIOn(gv2); |
2486 | GV * const gv1 = MUTABLE_GV(POPs); | |
2487 | IO * const io1 = GvIOn(gv1); | |
a0d0e21e | 2488 | |
49561e08 | 2489 | if (IoIFP(io1)) |
dc0d0a5f | 2490 | do_close(gv1, FALSE); |
49561e08 | 2491 | if (IoIFP(io2)) |
dc0d0a5f | 2492 | do_close(gv2, FALSE); |
57171420 | 2493 | |
a0d0e21e | 2494 | TAINT_PROPER("socketpair"); |
6ad3d225 | 2495 | if (PerlSock_socketpair(domain, type, protocol, fd) < 0) |
a0d0e21e | 2496 | RETPUSHUNDEF; |
460c8493 IZ |
2497 | IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE); |
2498 | IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE); | |
50952442 | 2499 | IoTYPE(io1) = IoTYPE_SOCKET; |
460c8493 IZ |
2500 | IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE); |
2501 | IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE); | |
50952442 | 2502 | IoTYPE(io2) = IoTYPE_SOCKET; |
a0d0e21e | 2503 | if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) { |
760ac839 LW |
2504 | if (IoIFP(io1)) PerlIO_close(IoIFP(io1)); |
2505 | if (IoOFP(io1)) PerlIO_close(IoOFP(io1)); | |
6ad3d225 | 2506 | if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]); |
760ac839 LW |
2507 | if (IoIFP(io2)) PerlIO_close(IoIFP(io2)); |
2508 | if (IoOFP(io2)) PerlIO_close(IoOFP(io2)); | |
6ad3d225 | 2509 | if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]); |
a0d0e21e LW |
2510 | RETPUSHUNDEF; |
2511 | } | |
8d2a6795 | 2512 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
375ed12a JH |
2513 | /* ensure close-on-exec */ |
2514 | if ((fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd) < 0) || | |
2515 | (fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd) < 0)) | |
2516 | RETPUSHUNDEF; | |
8d2a6795 | 2517 | #endif |
a0d0e21e LW |
2518 | |
2519 | RETPUSHYES; | |
2520 | #else | |
cea2e8a9 | 2521 | DIE(aTHX_ PL_no_sock_func, "socketpair"); |
a0d0e21e LW |
2522 | #endif |
2523 | } | |
2524 | ||
7627e6d0 NC |
2525 | #ifdef HAS_SOCKET |
2526 | ||
b1c05ba5 DM |
2527 | /* also used for: pp_connect() */ |
2528 | ||
a0d0e21e LW |
2529 | PP(pp_bind) |
2530 | { | |
20b7effb | 2531 | dSP; |
7452cf6a | 2532 | SV * const addrsv = POPs; |
349d4f2f NC |
2533 | /* OK, so on what platform does bind modify addr? */ |
2534 | const char *addr; | |
159b6efe | 2535 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 2536 | IO * const io = GvIOn(gv); |
a0d0e21e | 2537 | STRLEN len; |
e0b7b5e2 | 2538 | int op_type; |
375ed12a | 2539 | int fd; |
a0d0e21e | 2540 | |
8a6c0fcb | 2541 | if (!IoIFP(io)) |
a0d0e21e | 2542 | goto nuts; |
375ed12a JH |
2543 | fd = PerlIO_fileno(IoIFP(io)); |
2544 | if (fd < 0) | |
2545 | goto nuts; | |
a0d0e21e | 2546 | |
349d4f2f | 2547 | addr = SvPV_const(addrsv, len); |
e0b7b5e2 | 2548 | op_type = PL_op->op_type; |
32b81f04 NC |
2549 | TAINT_PROPER(PL_op_desc[op_type]); |
2550 | if ((op_type == OP_BIND | |
375ed12a JH |
2551 | ? PerlSock_bind(fd, (struct sockaddr *)addr, len) |
2552 | : PerlSock_connect(fd, (struct sockaddr *)addr, len)) | |
32b81f04 | 2553 | >= 0) |
a0d0e21e LW |
2554 | RETPUSHYES; |
2555 | else | |
2556 | RETPUSHUNDEF; | |
2557 | ||
7b52d656 | 2558 | nuts: |
fbcda526 | 2559 | report_evil_fh(gv); |
93189314 | 2560 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2561 | RETPUSHUNDEF; |
a0d0e21e LW |
2562 | } |
2563 | ||
2564 | PP(pp_listen) | |
2565 | { | |
20b7effb | 2566 | dSP; |
7452cf6a | 2567 | const int backlog = POPi; |
159b6efe | 2568 | GV * const gv = MUTABLE_GV(POPs); |
8a6c0fcb | 2569 | IO * const io = GvIOn(gv); |
a0d0e21e | 2570 | |
8a6c0fcb | 2571 | if (!IoIFP(io)) |
a0d0e21e LW |
2572 | goto nuts; |
2573 | ||
6ad3d225 | 2574 | if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0) |
a0d0e21e LW |
2575 | RETPUSHYES; |
2576 | else | |
2577 | RETPUSHUNDEF; | |
2578 | ||
7b52d656 | 2579 | nuts: |
fbcda526 | 2580 | report_evil_fh(gv); |
93189314 | 2581 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2582 | RETPUSHUNDEF; |
a0d0e21e LW |
2583 | } |
2584 | ||
2585 | PP(pp_accept) | |
2586 | { | |
20b7effb | 2587 | dSP; dTARGET; |
eb578fdb | 2588 | IO *nstio; |
93d47a36 | 2589 | char namebuf[MAXPATHLEN]; |
b5afd346 | 2590 | #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(__QNXNTO__) |
93d47a36 JH |
2591 | Sock_size_t len = sizeof (struct sockaddr_in); |
2592 | #else | |
2593 | Sock_size_t len = sizeof namebuf; | |
2594 | #endif | |
159b6efe NC |
2595 | GV * const ggv = MUTABLE_GV(POPs); |
2596 | GV * const ngv = MUTABLE_GV(POPs); | |
a0d0e21e LW |
2597 | int fd; |
2598 | ||
8a6c0fcb | 2599 | IO * const gstio = GvIO(ggv); |
a0d0e21e LW |
2600 | if (!gstio || !IoIFP(gstio)) |
2601 | goto nuts; | |
2602 | ||
2603 | nstio = GvIOn(ngv); | |
93d47a36 | 2604 | fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len); |
e294cc5d JH |
2605 | #if defined(OEMVS) |
2606 | if (len == 0) { | |
2607 | /* Some platforms indicate zero length when an AF_UNIX client is | |
2608 | * not bound. Simulate a non-zero-length sockaddr structure in | |
2609 | * this case. */ | |
2610 | namebuf[0] = 0; /* sun_len */ | |
2611 | namebuf[1] = AF_UNIX; /* sun_family */ | |
2612 | len = 2; | |
2613 | } | |
2614 | #endif | |
2615 | ||
a0d0e21e LW |
2616 | if (fd < 0) |
2617 | goto badexit; | |
a70048fb AB |
2618 | if (IoIFP(nstio)) |
2619 | do_close(ngv, FALSE); | |
460c8493 IZ |
2620 | IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); |
2621 | IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE); | |
50952442 | 2622 | IoTYPE(nstio) = IoTYPE_SOCKET; |
a0d0e21e | 2623 | if (!IoIFP(nstio) || !IoOFP(nstio)) { |
760ac839 LW |
2624 | if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio)); |
2625 | if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio)); | |
6ad3d225 | 2626 | if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd); |
a0d0e21e LW |
2627 | goto badexit; |
2628 | } | |
8d2a6795 | 2629 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
375ed12a JH |
2630 | if (fcntl(fd, F_SETFD, fd > PL_maxsysfd) < 0) /* ensure close-on-exec */ |
2631 | goto badexit; | |
8d2a6795 | 2632 | #endif |
a0d0e21e | 2633 | |
381c1bae | 2634 | #ifdef __SCO_VERSION__ |
93d47a36 | 2635 | len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */ |
381c1bae | 2636 | #endif |
ed79a026 | 2637 | |
93d47a36 | 2638 | PUSHp(namebuf, len); |
a0d0e21e LW |
2639 | RETURN; |
2640 | ||
7b52d656 | 2641 | nuts: |
fbcda526 | 2642 | report_evil_fh(ggv); |
93189314 | 2643 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2644 | |
7b52d656 | 2645 | badexit: |
a0d0e21e LW |
2646 | RETPUSHUNDEF; |
2647 | ||
a0d0e21e LW |
2648 | } |
2649 | ||
2650 | PP(pp_shutdown) | |
2651 | { | |
20b7effb | 2652 | dSP; dTARGET; |
7452cf6a | 2653 | const int how = POPi; |
159b6efe | 2654 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 2655 | IO * const io = GvIOn(gv); |
a0d0e21e | 2656 | |
8a6c0fcb | 2657 | if (!IoIFP(io)) |
a0d0e21e LW |
2658 | goto nuts; |
2659 | ||
6ad3d225 | 2660 | PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 ); |
a0d0e21e LW |
2661 | RETURN; |
2662 | ||
7b52d656 | 2663 | nuts: |
fbcda526 | 2664 | report_evil_fh(gv); |
93189314 | 2665 | SETERRNO(EBADF,SS_IVCHAN); |
a0d0e21e | 2666 | RETPUSHUNDEF; |
a0d0e21e LW |
2667 | } |
2668 | ||
b1c05ba5 DM |
2669 | |
2670 | /* also used for: pp_gsockopt() */ | |
2671 | ||
a0d0e21e LW |
2672 | PP(pp_ssockopt) |
2673 | { | |
20b7effb | 2674 | dSP; |
7452cf6a | 2675 | const int optype = PL_op->op_type; |
561b68a9 | 2676 | SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs; |
7452cf6a AL |
2677 | const unsigned int optname = (unsigned int) POPi; |
2678 | const unsigned int lvl = (unsigned int) POPi; | |
159b6efe | 2679 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 2680 | IO * const io = GvIOn(gv); |
a0d0e21e | 2681 | int fd; |
1e422769 | 2682 | Sock_size_t len; |
a0d0e21e | 2683 | |
49225470 | 2684 | if (!IoIFP(io)) |
a0d0e21e LW |
2685 | goto nuts; |
2686 | ||
760ac839 | 2687 | fd = PerlIO_fileno(IoIFP(io)); |
375ed12a JH |
2688 | if (fd < 0) |
2689 | goto nuts; | |
a0d0e21e LW |
2690 | switch (optype) { |
2691 | case OP_GSOCKOPT: | |
748a9306 | 2692 | SvGROW(sv, 257); |
a0d0e21e | 2693 | (void)SvPOK_only(sv); |
748a9306 LW |
2694 | SvCUR_set(sv,256); |
2695 | *SvEND(sv) ='\0'; | |
1e422769 | 2696 | len = SvCUR(sv); |
6ad3d225 | 2697 | if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0) |
a0d0e21e | 2698 | goto nuts2; |
ee2276e5 JH |
2699 | #if defined(_AIX) |
2700 | /* XXX Configure test: does getsockopt set the length properly? */ | |
2701 | if (len == 256) | |
2702 | len = sizeof(int); | |
2703 | #endif | |
1e422769 | 2704 | SvCUR_set(sv, len); |
748a9306 | 2705 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2706 | PUSHs(sv); |
2707 | break; | |
2708 | case OP_SSOCKOPT: { | |
1215b447 JH |
2709 | #if defined(__SYMBIAN32__) |
2710 | # define SETSOCKOPT_OPTION_VALUE_T void * | |
2711 | #else | |
2712 | # define SETSOCKOPT_OPTION_VALUE_T const char * | |
2713 | #endif | |
2714 | /* XXX TODO: We need to have a proper type (a Configure probe, | |
2715 | * etc.) for what the C headers think of the third argument of | |
2716 | * setsockopt(), the option_value read-only buffer: is it | |
2717 | * a "char *", or a "void *", const or not. Some compilers | |
2718 | * don't take kindly to e.g. assuming that "char *" implicitly | |
2719 | * promotes to a "void *", or to explicitly promoting/demoting | |
2720 | * consts to non/vice versa. The "const void *" is the SUS | |
2721 | * definition, but that does not fly everywhere for the above | |
2722 | * reasons. */ | |
2723 | SETSOCKOPT_OPTION_VALUE_T buf; | |
1e422769 | 2724 | int aint; |
2725 | if (SvPOKp(sv)) { | |
2d8e6c8d | 2726 | STRLEN l; |
1215b447 | 2727 | buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l); |
2d8e6c8d | 2728 | len = l; |
1e422769 | 2729 | } |
56ee1660 | 2730 | else { |
a0d0e21e | 2731 | aint = (int)SvIV(sv); |
1215b447 | 2732 | buf = (SETSOCKOPT_OPTION_VALUE_T) &aint; |
a0d0e21e LW |
2733 | len = sizeof(int); |
2734 | } | |
6ad3d225 | 2735 | if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0) |
a0d0e21e | 2736 | goto nuts2; |
3280af22 | 2737 | PUSHs(&PL_sv_yes); |
a0d0e21e LW |
2738 | } |
2739 | break; | |
2740 | } | |
2741 | RETURN; | |
2742 | ||
7b52d656 | 2743 | nuts: |
fbcda526 | 2744 | report_evil_fh(gv); |
93189314 | 2745 | SETERRNO(EBADF,SS_IVCHAN); |
7b52d656 | 2746 | nuts2: |
a0d0e21e LW |
2747 | RETPUSHUNDEF; |
2748 | ||
a0d0e21e LW |
2749 | } |
2750 | ||
b1c05ba5 DM |
2751 | |
2752 | /* also used for: pp_getsockname() */ | |
2753 | ||
a0d0e21e LW |
2754 | PP(pp_getpeername) |
2755 | { | |
20b7effb | 2756 | dSP; |
7452cf6a | 2757 | const int optype = PL_op->op_type; |
159b6efe | 2758 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 2759 | IO * const io = GvIOn(gv); |
7452cf6a | 2760 | Sock_size_t len; |
a0d0e21e LW |
2761 | SV *sv; |
2762 | int fd; | |
a0d0e21e | 2763 | |
49225470 | 2764 | if (!IoIFP(io)) |
a0d0e21e LW |
2765 | goto nuts; |
2766 | ||
561b68a9 | 2767 | sv = sv_2mortal(newSV(257)); |
748a9306 | 2768 | (void)SvPOK_only(sv); |
1e422769 | 2769 | len = 256; |
2770 | SvCUR_set(sv, len); | |
748a9306 | 2771 | *SvEND(sv) ='\0'; |
760ac839 | 2772 | fd = PerlIO_fileno(IoIFP(io)); |
375ed12a JH |
2773 | if (fd < 0) |
2774 | goto nuts; | |
a0d0e21e LW |
2775 | switch (optype) { |
2776 | case OP_GETSOCKNAME: | |
6ad3d225 | 2777 | if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e LW |
2778 | goto nuts2; |
2779 | break; | |
2780 | case OP_GETPEERNAME: | |
6ad3d225 | 2781 | if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0) |
a0d0e21e | 2782 | goto nuts2; |
490ab354 JH |
2783 | #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS) |
2784 | { | |
2785 | 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"; | |
2786 | /* If the call succeeded, make sure we don't have a zeroed port/addr */ | |
349d4f2f | 2787 | if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET && |
2fbb330f | 2788 | !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere, |
490ab354 | 2789 | sizeof(u_short) + sizeof(struct in_addr))) { |
301e8125 | 2790 | goto nuts2; |
490ab354 JH |
2791 | } |
2792 | } | |
2793 | #endif | |
a0d0e21e LW |
2794 | break; |
2795 | } | |
13826f2c CS |
2796 | #ifdef BOGUS_GETNAME_RETURN |
2797 | /* Interactive Unix, getpeername() and getsockname() | |
2798 | does not return valid namelen */ | |
1e422769 | 2799 | if (len == BOGUS_GETNAME_RETURN) |
2800 | len = sizeof(struct sockaddr); | |
13826f2c | 2801 | #endif |
1e422769 | 2802 | SvCUR_set(sv, len); |
748a9306 | 2803 | *SvEND(sv) ='\0'; |
a0d0e21e LW |
2804 | PUSHs(sv); |
2805 | RETURN; | |
2806 | ||
7b52d656 | 2807 | nuts: |
fbcda526 | 2808 | report_evil_fh(gv); |
93189314 | 2809 | SETERRNO(EBADF,SS_IVCHAN); |
7b52d656 | 2810 | nuts2: |
a0d0e21e | 2811 | RETPUSHUNDEF; |
7627e6d0 | 2812 | } |
a0d0e21e | 2813 | |
a0d0e21e | 2814 | #endif |
a0d0e21e LW |
2815 | |
2816 | /* Stat calls. */ | |
2817 | ||
b1c05ba5 DM |
2818 | /* also used for: pp_lstat() */ |
2819 | ||
a0d0e21e LW |
2820 | PP(pp_stat) |
2821 | { | |
39644a26 | 2822 | dSP; |
10edeb5d | 2823 | GV *gv = NULL; |
55dd8d50 | 2824 | IO *io = NULL; |
54310121 | 2825 | I32 gimme; |
a0d0e21e | 2826 | I32 max = 13; |
109c43ed | 2827 | SV* sv; |
a0d0e21e | 2828 | |
109c43ed FC |
2829 | if (PL_op->op_flags & OPf_REF ? (gv = cGVOP_gv, 1) |
2830 | : !!(sv=POPs, gv = MAYBE_DEREF_GV(sv))) { | |
8a4e5b40 | 2831 | if (PL_op->op_type == OP_LSTAT) { |
5d3e98de | 2832 | if (gv != PL_defgv) { |
5d329e6e | 2833 | do_fstat_warning_check: |
a2a5de95 | 2834 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
93fad930 FC |
2835 | "lstat() on filehandle%s%"SVf, |
2836 | gv ? " " : "", | |
2837 | SVfARG(gv | |
bf29d05f BF |
2838 | ? sv_2mortal(newSVhek(GvENAME_HEK(gv))) |
2839 | : &PL_sv_no)); | |
5d3e98de | 2840 | } else if (PL_laststype != OP_LSTAT) |
b042df57 | 2841 | /* diag_listed_as: The stat preceding %s wasn't an lstat */ |
8a4e5b40 | 2842 | Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat"); |
8a4e5b40 DD |
2843 | } |
2844 | ||
2dd78f96 | 2845 | if (gv != PL_defgv) { |
b8413ac3 | 2846 | bool havefp; |
0d5064f1 | 2847 | do_fstat_have_io: |
b8413ac3 | 2848 | havefp = FALSE; |
3280af22 | 2849 | PL_laststype = OP_STAT; |
0d5064f1 | 2850 | PL_statgv = gv ? gv : (GV *)io; |
76f68e9b | 2851 | sv_setpvs(PL_statname, ""); |
5228a96c | 2852 | if(gv) { |
ad02613c | 2853 | io = GvIO(gv); |
0d5064f1 FC |
2854 | } |
2855 | if (io) { | |
5228a96c | 2856 | if (IoIFP(io)) { |
375ed12a JH |
2857 | int fd = PerlIO_fileno(IoIFP(io)); |
2858 | if (fd < 0) { | |
2859 | PL_laststatval = -1; | |
2860 | SETERRNO(EBADF,RMS_IFI); | |
2861 | } else { | |
2862 | PL_laststatval = PerlLIO_fstat(fd, &PL_statcache); | |
2863 | havefp = TRUE; | |
2864 | } | |
5228a96c | 2865 | } else if (IoDIRP(io)) { |
5228a96c | 2866 | PL_laststatval = |
3497a01f | 2867 | PerlLIO_fstat(my_dirfd(IoDIRP(io)), &PL_statcache); |
8080e3c8 | 2868 | havefp = TRUE; |
5228a96c SP |
2869 | } else { |
2870 | PL_laststatval = -1; | |
2871 | } | |
5228a96c | 2872 | } |
05bb32d2 | 2873 | else PL_laststatval = -1; |
daa30a68 | 2874 | if (PL_laststatval < 0 && !havefp) report_evil_fh(gv); |
5228a96c SP |
2875 | } |
2876 | ||
9ddeeac9 | 2877 | if (PL_laststatval < 0) { |
a0d0e21e | 2878 | max = 0; |
9ddeeac9 | 2879 | } |
a0d0e21e LW |
2880 | } |
2881 | else { | |
7cb3f959 | 2882 | const char *file; |
109c43ed | 2883 | if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) { |
a45c7426 | 2884 | io = MUTABLE_IO(SvRV(sv)); |
ad02613c SP |
2885 | if (PL_op->op_type == OP_LSTAT) |
2886 | goto do_fstat_warning_check; | |
2887 | goto do_fstat_have_io; | |
2888 | } | |
2889 | ||
4bac9ae4 | 2890 | SvTAINTED_off(PL_statname); /* previous tainting irrelevant */ |
109c43ed | 2891 | sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv)); |
a0714e2c | 2892 | PL_statgv = NULL; |
533c011a | 2893 | PL_laststype = PL_op->op_type; |
7cb3f959 | 2894 | file = SvPV_nolen_const(PL_statname); |
533c011a | 2895 | if (PL_op->op_type == OP_LSTAT) |
7cb3f959 | 2896 | PL_laststatval = PerlLIO_lstat(file, &PL_statcache); |
a0d0e21e | 2897 | else |
7cb3f959 | 2898 | PL_laststatval = PerlLIO_stat(file, &PL_statcache); |
3280af22 | 2899 | if (PL_laststatval < 0) { |
7cb3f959 | 2900 | if (ckWARN(WARN_NEWLINE) && should_warn_nl(file)) { |
5d37acd6 DM |
2901 | /* PL_warn_nl is constant */ |
2902 | GCC_DIAG_IGNORE(-Wformat-nonliteral); | |
9014280d | 2903 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat"); |
5d37acd6 DM |
2904 | GCC_DIAG_RESTORE; |
2905 | } | |
a0d0e21e LW |
2906 | max = 0; |
2907 | } | |
2908 | } | |
2909 | ||
54310121 | 2910 | gimme = GIMME_V; |
2911 | if (gimme != G_ARRAY) { | |
2912 | if (gimme != G_VOID) | |
2913 | XPUSHs(boolSV(max)); | |
2914 | RETURN; | |
a0d0e21e LW |
2915 | } |
2916 | if (max) { | |
36477c24 | 2917 | EXTEND(SP, max); |
2918 | EXTEND_MORTAL(max); | |
6e449a3a | 2919 | mPUSHi(PL_statcache.st_dev); |
8d8cba88 TC |
2920 | #if ST_INO_SIZE > IVSIZE |
2921 | mPUSHn(PL_statcache.st_ino); | |
2922 | #else | |
2923 | # if ST_INO_SIGN <= 0 | |
6e449a3a | 2924 | mPUSHi(PL_statcache.st_ino); |
8d8cba88 TC |
2925 | # else |
2926 | mPUSHu(PL_statcache.st_ino); | |
2927 | # endif | |
2928 | #endif | |
6e449a3a MHM |
2929 | mPUSHu(PL_statcache.st_mode); |
2930 | mPUSHu(PL_statcache.st_nlink); | |
dfff4baf BF |
2931 | |
2932 | sv_setuid(PUSHmortal, PL_statcache.st_uid); | |
2933 | sv_setgid(PUSHmortal, PL_statcache.st_gid); | |
2934 | ||
cbdc8872 | 2935 | #ifdef USE_STAT_RDEV |
6e449a3a | 2936 | mPUSHi(PL_statcache.st_rdev); |
cbdc8872 | 2937 | #else |
84bafc02 | 2938 | PUSHs(newSVpvs_flags("", SVs_TEMP)); |
cbdc8872 | 2939 | #endif |
146174a9 | 2940 | #if Off_t_size > IVSIZE |
6e449a3a | 2941 | mPUSHn(PL_statcache.st_size); |
146174a9 | 2942 | #else |
6e449a3a | 2943 | mPUSHi(PL_statcache.st_size); |
146174a9 | 2944 | #endif |
cbdc8872 | 2945 | #ifdef BIG_TIME |
6e449a3a MHM |
2946 | mPUSHn(PL_statcache.st_atime); |
2947 | mPUSHn(PL_statcache.st_mtime); | |
2948 | mPUSHn(PL_statcache.st_ctime); | |
cbdc8872 | 2949 | #else |
6e449a3a MHM |
2950 | mPUSHi(PL_statcache.st_atime); |
2951 | mPUSHi(PL_statcache.st_mtime); | |
2952 | mPUSHi(PL_statcache.st_ctime); | |
cbdc8872 | 2953 | #endif |
a0d0e21e | 2954 | #ifdef USE_STAT_BLOCKS |
6e449a3a MHM |
2955 | mPUSHu(PL_statcache.st_blksize); |
2956 | mPUSHu(PL_statcache.st_blocks); | |
a0d0e21e | 2957 | #else |
84bafc02 NC |
2958 | PUSHs(newSVpvs_flags("", SVs_TEMP)); |
2959 | PUSHs(newSVpvs_flags("", SVs_TEMP)); | |
a0d0e21e LW |
2960 | #endif |
2961 | } | |
2962 | RETURN; | |
2963 | } | |
2964 | ||
6c48f025 NC |
2965 | /* All filetest ops avoid manipulating the perl stack pointer in their main |
2966 | bodies (since commit d2c4d2d1e22d3125), and return using either | |
2967 | S_ft_return_false() or S_ft_return_true(). These two helper functions are | |
2968 | the only two which manipulate the perl stack. To ensure that no stack | |
2969 | manipulation macros are used, the filetest ops avoid defining a local copy | |
2970 | of the stack pointer with dSP. */ | |
2971 | ||
8db8f6b6 FC |
2972 | /* If the next filetest is stacked up with this one |
2973 | (PL_op->op_private & OPpFT_STACKING), we leave | |
2974 | the original argument on the stack for success, | |
2975 | and skip the stacked operators on failure. | |
2976 | The next few macros/functions take care of this. | |
2977 | */ | |
2978 | ||
2979 | static OP * | |
9a6b02e8 | 2980 | S_ft_return_false(pTHX_ SV *ret) { |
8db8f6b6 | 2981 | OP *next = NORMAL; |
697f9d37 NC |
2982 | dSP; |
2983 | ||
226b9201 | 2984 | if (PL_op->op_flags & OPf_REF) XPUSHs(ret); |
8db8f6b6 FC |
2985 | else SETs(ret); |
2986 | PUTBACK; | |
697f9d37 | 2987 | |
9a6b02e8 NC |
2988 | if (PL_op->op_private & OPpFT_STACKING) { |
2989 | while (OP_IS_FILETEST(next->op_type) | |
2990 | && next->op_private & OPpFT_STACKED) | |
2991 | next = next->op_next; | |
2992 | } | |
8db8f6b6 FC |
2993 | return next; |
2994 | } | |
2995 | ||
07ed4d4b NC |
2996 | PERL_STATIC_INLINE OP * |
2997 | S_ft_return_true(pTHX_ SV *ret) { | |
2998 | dSP; | |
2999 | if (PL_op->op_flags & OPf_REF) | |
3000 | XPUSHs(PL_op->op_private & OPpFT_STACKING ? (SV *)cGVOP_gv : (ret)); | |
3001 | else if (!(PL_op->op_private & OPpFT_STACKING)) | |
3002 | SETs(ret); | |
3003 | PUTBACK; | |
3004 | return NORMAL; | |
3005 | } | |
8db8f6b6 | 3006 | |
48d023d6 NC |
3007 | #define FT_RETURNNO return S_ft_return_false(aTHX_ &PL_sv_no) |
3008 | #define FT_RETURNUNDEF return S_ft_return_false(aTHX_ &PL_sv_undef) | |
3009 | #define FT_RETURNYES return S_ft_return_true(aTHX_ &PL_sv_yes) | |
8db8f6b6 | 3010 | |
6f1401dc | 3011 | #define tryAMAGICftest_MG(chr) STMT_START { \ |
d2f67720 | 3012 | if ( (SvFLAGS(*PL_stack_sp) & (SVf_ROK|SVs_GMG)) \ |
8db8f6b6 FC |
3013 | && PL_op->op_flags & OPf_KIDS) { \ |
3014 | OP *next = S_try_amagic_ftest(aTHX_ chr); \ | |
3015 | if (next) return next; \ | |
3016 | } \ | |
6f1401dc DM |
3017 | } STMT_END |
3018 | ||
8db8f6b6 | 3019 | STATIC OP * |
6f1401dc | 3020 | S_try_amagic_ftest(pTHX_ char chr) { |
d2f67720 | 3021 | SV *const arg = *PL_stack_sp; |
6f1401dc DM |
3022 | |
3023 | assert(chr != '?'); | |
c5780028 | 3024 | if (!(PL_op->op_private & OPpFT_STACKING)) SvGETMAGIC(arg); |
6f1401dc | 3025 | |
d2f67720 | 3026 | if (SvAMAGIC(arg)) |
6f1401dc DM |
3027 | { |
3028 | const char tmpchr = chr; | |
6f1401dc DM |
3029 | SV * const tmpsv = amagic_call(arg, |
3030 | newSVpvn_flags(&tmpchr, 1, SVs_TEMP), | |
3031 | ftest_amg, AMGf_unary); | |
3032 | ||
3033 | if (!tmpsv) | |
8db8f6b6 | 3034 | return NULL; |
6f1401dc | 3035 | |
48d023d6 NC |
3036 | return SvTRUE(tmpsv) |
3037 | ? S_ft_return_true(aTHX_ tmpsv) : S_ft_return_false(aTHX_ tmpsv); | |
6f1401dc | 3038 | } |
8db8f6b6 | 3039 | return NULL; |
6f1401dc DM |
3040 | } |
3041 | ||
3042 | ||
b1c05ba5 DM |
3043 | /* also used for: pp_fteexec() pp_fteread() pp_ftewrite() pp_ftrexec() |
3044 | * pp_ftrwrite() */ | |
3045 | ||
a0d0e21e LW |
3046 | PP(pp_ftrread) |
3047 | { | |
9cad6237 | 3048 | I32 result; |
af9e49b4 | 3049 | /* Not const, because things tweak this below. Not bool, because there's |
f3574cc6 | 3050 | no guarantee that OPpFT_ACCESS is <= CHAR_MAX */ |
af9e49b4 NC |
3051 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) |
3052 | I32 use_access = PL_op->op_private & OPpFT_ACCESS; | |
3053 | /* Giving some sort of initial value silences compilers. */ | |
3054 | # ifdef R_OK | |
3055 | int access_mode = R_OK; | |
3056 | # else | |
3057 | int access_mode = 0; | |
3058 | # endif | |
5ff3f7a4 | 3059 | #else |
af9e49b4 NC |
3060 | /* access_mode is never used, but leaving use_access in makes the |
3061 | conditional compiling below much clearer. */ | |
3062 | I32 use_access = 0; | |
5ff3f7a4 | 3063 | #endif |
2dcac756 | 3064 | Mode_t stat_mode = S_IRUSR; |
a0d0e21e | 3065 | |
af9e49b4 | 3066 | bool effective = FALSE; |
07fe7c6a | 3067 | char opchar = '?'; |
af9e49b4 | 3068 | |
7fb13887 BM |
3069 | switch (PL_op->op_type) { |
3070 | case OP_FTRREAD: opchar = 'R'; break; | |
3071 | case OP_FTRWRITE: opchar = 'W'; break; | |
3072 | case OP_FTREXEC: opchar = 'X'; break; | |
3073 | case OP_FTEREAD: opchar = 'r'; break; | |
3074 | case OP_FTEWRITE: opchar = 'w'; break; | |
3075 | case OP_FTEEXEC: opchar = 'x'; break; | |
3076 | } | |
6f1401dc | 3077 | tryAMAGICftest_MG(opchar); |
7fb13887 | 3078 | |
af9e49b4 NC |
3079 | switch (PL_op->op_type) { |
3080 | case OP_FTRREAD: | |
3081 | #if !(defined(HAS_ACCESS) && defined(R_OK)) | |
3082 | use_access = 0; | |
3083 | #endif | |
3084 | break; | |
3085 | ||
3086 | case OP_FTRWRITE: | |
5ff3f7a4 | 3087 | #if defined(HAS_ACCESS) && defined(W_OK) |
af9e49b4 | 3088 | access_mode = W_OK; |
5ff3f7a4 | 3089 | #else |
af9e49b4 | 3090 | use_access = 0; |
5ff3f7a4 | 3091 | #endif |
af9e49b4 NC |
3092 | stat_mode = S_IWUSR; |
3093 | break; | |
a0d0e21e | 3094 | |
af9e49b4 | 3095 | case OP_FTREXEC: |
5ff3f7a4 | 3096 | #if defined(HAS_ACCESS) && defined(X_OK) |
af9e49b4 | 3097 | access_mode = X_OK; |
5ff3f7a4 | 3098 | #else |
af9e49b4 | 3099 | use_access = 0; |
5ff3f7a4 | 3100 | #endif |
af9e49b4 NC |
3101 | stat_mode = S_IXUSR; |
3102 | break; | |
a0d0e21e | 3103 | |
af9e49b4 | 3104 | case OP_FTEWRITE: |
faee0e31 | 3105 | #ifdef PERL_EFF_ACCESS |
af9e49b4 | 3106 | access_mode = W_OK; |
5ff3f7a4 | 3107 | #endif |
af9e49b4 | 3108 | stat_mode = S_IWUSR; |
924ba076 | 3109 | /* FALLTHROUGH */ |
a0d0e21e | 3110 | |
af9e49b4 NC |
3111 | case OP_FTEREAD: |
3112 | #ifndef PERL_EFF_ACCESS | |
3113 | use_access = 0; | |
3114 | #endif | |
3115 | effective = TRUE; | |
3116 | break; | |
3117 | ||
af9e49b4 | 3118 | case OP_FTEEXEC: |
faee0e31 | 3119 | #ifdef PERL_EFF_ACCESS |
b376053d | 3120 | access_mode = X_OK; |
5ff3f7a4 | 3121 | #else |
af9e49b4 | 3122 | use_access = 0; |
5ff3f7a4 | 3123 | #endif |
af9e49b4 NC |
3124 | stat_mode = S_IXUSR; |
3125 | effective = TRUE; | |
3126 | break; | |
3127 | } | |
a0d0e21e | 3128 | |
af9e49b4 NC |
3129 | if (use_access) { |
3130 | #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS) | |
d2f67720 | 3131 | const char *name = SvPV_nolen(*PL_stack_sp); |
af9e49b4 NC |
3132 | if (effective) { |
3133 | # ifdef PERL_EFF_ACCESS | |
3134 | result = PERL_EFF_ACCESS(name, access_mode); | |
3135 | # else | |
3136 | DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s", | |
3137 | OP_NAME(PL_op)); | |
3138 | # endif | |
3139 | } | |
3140 | else { | |
3141 | # ifdef HAS_ACCESS | |
3142 | result = access(name, access_mode); | |
3143 | # else | |
3144 | DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op)); | |
3145 | # endif | |
3146 | } | |
5ff3f7a4 | 3147 | if (result == 0) |
d2c4d2d1 | 3148 | FT_RETURNYES; |
5ff3f7a4 | 3149 | if (result < 0) |
d2c4d2d1 FC |
3150 | FT_RETURNUNDEF; |
3151 | FT_RETURNNO; | |
af9e49b4 | 3152 | #endif |
22865c03 | 3153 | } |
af9e49b4 | 3154 | |
40c852de | 3155 | result = my_stat_flags(0); |
a0d0e21e | 3156 | if (result < 0) |
8db8f6b6 | 3157 | FT_RETURNUNDEF; |
af9e49b4 | 3158 | if (cando(stat_mode, effective, &PL_statcache)) |
8db8f6b6 FC |
3159 | FT_RETURNYES; |
3160 | FT_RETURNNO; | |
a0d0e21e LW |
3161 | } |
3162 | ||
b1c05ba5 DM |
3163 | |
3164 | /* also used for: pp_ftatime() pp_ftctime() pp_ftmtime() pp_ftsize() */ | |
3165 | ||
a0d0e21e LW |
3166 | PP(pp_ftis) |
3167 | { | |
fbb0b3b3 | 3168 | I32 result; |
d7f0a2f4 | 3169 | const int op_type = PL_op->op_type; |
07fe7c6a | 3170 | char opchar = '?'; |
07fe7c6a BM |
3171 | |
3172 | switch (op_type) { | |
3173 | case OP_FTIS: opchar = 'e'; break; | |
3174 | case OP_FTSIZE: opchar = 's'; break; | |
3175 | case OP_FTMTIME: opchar = 'M'; break; | |
3176 | case OP_FTCTIME: opchar = 'C'; break; | |
3177 | case OP_FTATIME: opchar = 'A'; break; | |
3178 | } | |
6f1401dc | 3179 | tryAMAGICftest_MG(opchar); |
07fe7c6a | 3180 | |
40c852de | 3181 | result = my_stat_flags(0); |
a0d0e21e | 3182 | if (result < 0) |
8db8f6b6 | 3183 | FT_RETURNUNDEF; |
d7f0a2f4 | 3184 | if (op_type == OP_FTIS) |
8db8f6b6 | 3185 | FT_RETURNYES; |
957b0e1d | 3186 | { |
d7f0a2f4 NC |
3187 | /* You can't dTARGET inside OP_FTIS, because you'll get |
3188 | "panic: pad_sv po" - the op is not flagged to have a target. */ | |
957b0e1d | 3189 | dTARGET; |
d7f0a2f4 | 3190 | switch (op_type) { |
957b0e1d NC |
3191 | case OP_FTSIZE: |
3192 | #if Off_t_size > IVSIZE | |
8db8f6b6 | 3193 | sv_setnv(TARG, (NV)PL_statcache.st_size); |
957b0e1d | 3194 | #else |
8db8f6b6 | 3195 | sv_setiv(TARG, (IV)PL_statcache.st_size); |
957b0e1d NC |
3196 | #endif |
3197 | break; | |
3198 | case OP_FTMTIME: | |
8db8f6b6 FC |
3199 | sv_setnv(TARG, |
3200 | ((NV)PL_basetime - PL_statcache.st_mtime) / 86400.0 ); | |
957b0e1d NC |
3201 | break; |
3202 | case OP_FTATIME: | |
8db8f6b6 FC |
3203 | sv_setnv(TARG, |
3204 | ((NV)PL_basetime - PL_statcache.st_atime) / 86400.0 ); | |
957b0e1d NC |
3205 | break; |
3206 | case OP_FTCTIME: | |
8db8f6b6 FC |
3207 | sv_setnv(TARG, |
3208 | ((NV)PL_basetime - PL_statcache.st_ctime) / 86400.0 ); | |
957b0e1d NC |
3209 | break; |
3210 | } | |
8db8f6b6 | 3211 | SvSETMAGIC(TARG); |
48d023d6 NC |
3212 | return SvTRUE_nomg(TARG) |
3213 | ? S_ft_return_true(aTHX_ TARG) : S_ft_return_false(aTHX_ TARG); | |
957b0e1d | 3214 | } |
a0d0e21e LW |
3215 | } |
3216 | ||
b1c05ba5 DM |
3217 | |
3218 | /* also used for: pp_ftblk() pp_ftchr() pp_ftdir() pp_fteowned() | |
3219 | * pp_ftfile() pp_ftpipe() pp_ftsgid() pp_ftsock() | |
3220 | * pp_ftsuid() pp_ftsvtx() pp_ftzero() */ | |
3221 | ||
a0d0e21e LW |
3222 | PP(pp_ftrowned) |
3223 | { | |
fbb0b3b3 | 3224 | I32 result; |
07fe7c6a | 3225 | char opchar = '?'; |
17ad201a | 3226 | |
7fb13887 BM |
3227 | switch (PL_op->op_type) { |
3228 | case OP_FTROWNED: opchar = 'O'; break; | |
3229 | case OP_FTEOWNED: opchar = 'o'; break; | |
3230 | case OP_FTZERO: opchar = 'z'; break; | |
3231 | case OP_FTSOCK: opchar = 'S'; break; | |
3232 | case OP_FTCHR: opchar = 'c'; break; | |
3233 | case OP_FTBLK: opchar = 'b'; break; | |
3234 | case OP_FTFILE: opchar = 'f'; break; | |
3235 | case OP_FTDIR: opchar = 'd'; break; | |
3236 | case OP_FTPIPE: opchar = 'p'; break; | |
3237 | case OP_FTSUID: opchar = 'u'; break; | |
3238 | case OP_FTSGID: opchar = 'g'; break; | |
3239 | case OP_FTSVTX: opchar = 'k'; break; | |
3240 | } | |
6f1401dc | 3241 | tryAMAGICftest_MG(opchar); |
7fb13887 | 3242 | |
17ad201a NC |
3243 | /* I believe that all these three are likely to be defined on most every |
3244 | system these days. */ | |
3245 | #ifndef S_ISUID | |
c410dd6a | 3246 | if(PL_op->op_type == OP_FTSUID) { |
8db8f6b6 | 3247 | FT_RETURNNO; |
c410dd6a | 3248 | } |
17ad201a NC |
3249 | #endif |
3250 | #ifndef S_ISGID | |
c410dd6a | 3251 | if(PL_op->op_type == OP_FTSGID) { |
8db8f6b6 | 3252 | FT_RETURNNO; |
c410dd6a | 3253 | } |
17ad201a NC |
3254 | #endif |
3255 | #ifndef S_ISVTX | |
c410dd6a | 3256 | if(PL_op->op_type == OP_FTSVTX) { |
8db8f6b6 | 3257 | FT_RETURNNO; |
c410dd6a | 3258 | } |
17ad201a NC |
3259 | #endif |
3260 | ||
40c852de | 3261 | result = my_stat_flags(0); |
a0d0e21e | 3262 | if (result < 0) |
8db8f6b6 | 3263 | FT_RETURNUNDEF; |
f1cb2d48 NC |
3264 | switch (PL_op->op_type) { |
3265 | case OP_FTROWNED: | |
985213f2 | 3266 | if (PL_statcache.st_uid == PerlProc_getuid()) |
8db8f6b6 | 3267 | FT_RETURNYES; |
f1cb2d48 NC |
3268 | break; |
3269 | case OP_FTEOWNED: | |
985213f2 | 3270 | if (PL_statcache.st_uid == PerlProc_geteuid()) |
8db8f6b6 | 3271 | FT_RETURNYES; |
f1cb2d48 NC |
3272 | break; |
3273 | case OP_FTZERO: | |
3274 | if (PL_statcache.st_size == 0) | |
8db8f6b6 | 3275 | FT_RETURNYES; |
f1cb2d48 NC |
3276 | break; |
3277 | case OP_FTSOCK: | |
3278 | if (S_ISSOCK(PL_statcache.st_mode)) | |
8db8f6b6 | 3279 | FT_RETURNYES; |
f1cb2d48 NC |
3280 | break; |
3281 | case OP_FTCHR: | |
3282 | if (S_ISCHR(PL_statcache.st_mode)) | |
8db8f6b6 | 3283 | FT_RETURNYES; |
f1cb2d48 NC |
3284 | break; |
3285 | case OP_FTBLK: | |
3286 | if (S_ISBLK(PL_statcache.st_mode)) | |
8db8f6b6 | 3287 | FT_RETURNYES; |
f1cb2d48 NC |
3288 | break; |
3289 | case OP_FTFILE: | |
3290 | if (S_ISREG(PL_statcache.st_mode)) | |
8db8f6b6 | 3291 | FT_RETURNYES; |
f1cb2d48 NC |
3292 | break; |
3293 | case OP_FTDIR: | |
3294 | if (S_ISDIR(PL_statcache.st_mode)) | |
8db8f6b6 | 3295 | FT_RETURNYES; |
f1cb2d48 NC |
3296 | break; |
3297 | case OP_FTPIPE: | |
3298 | if (S_ISFIFO(PL_statcache.st_mode)) | |
8db8f6b6 | 3299 | FT_RETURNYES; |
f1cb2d48 | 3300 | break; |
a0d0e21e | 3301 | #ifdef S_ISUID |
17ad201a NC |
3302 | case OP_FTSUID: |
3303 | if (PL_statcache.st_mode & S_ISUID) | |
8db8f6b6 | 3304 | FT_RETURNYES; |
17ad201a | 3305 | break; |
a0d0e21e | 3306 | #endif |
a0d0e21e | 3307 | #ifdef S_ISGID |
17ad201a NC |
3308 | case OP_FTSGID: |
3309 | if (PL_statcache.st_mode & S_ISGID) | |
8db8f6b6 | 3310 | FT_RETURNYES; |
17ad201a NC |
3311 | break; |
3312 | #endif | |
3313 | #ifdef S_ISVTX | |
3314 | case OP_FTSVTX: | |
3315 | if (PL_statcache.st_mode & S_ISVTX) | |
8db8f6b6 | 3316 | FT_RETURNYES; |
17ad201a | 3317 | break; |
a0d0e21e | 3318 | #endif |
17ad201a | 3319 | } |
8db8f6b6 | 3320 | FT_RETURNNO; |
a0d0e21e LW |
3321 | } |
3322 | ||
17ad201a | 3323 | PP(pp_ftlink) |
a0d0e21e | 3324 | { |
500ff13f | 3325 | I32 result; |
07fe7c6a | 3326 | |
6f1401dc | 3327 | tryAMAGICftest_MG('l'); |
40c852de | 3328 | result = my_lstat_flags(0); |
500ff13f | 3329 | |
a0d0e21e | 3330 | if (result < 0) |
8db8f6b6 | 3331 | FT_RETURNUNDEF; |
17ad201a | 3332 | if (S_ISLNK(PL_statcache.st_mode)) |
8db8f6b6 FC |
3333 | FT_RETURNYES; |
3334 | FT_RETURNNO; | |
a0d0e21e LW |
3335 | } |
3336 | ||
3337 | PP(pp_fttty) | |
3338 | { | |
a0d0e21e LW |
3339 | int fd; |
3340 | GV *gv; | |
0784aae0 | 3341 | char *name = NULL; |
40c852de | 3342 | STRLEN namelen; |
fb73857a | 3343 | |
6f1401dc | 3344 | tryAMAGICftest_MG('t'); |
07fe7c6a | 3345 | |
533c011a | 3346 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3347 | gv = cGVOP_gv; |
e5e154d2 | 3348 | else { |
d2f67720 | 3349 | SV *tmpsv = *PL_stack_sp; |
e5e154d2 | 3350 | if (!(gv = MAYBE_DEREF_GV_nomg(tmpsv))) { |
40c852de DM |
3351 | name = SvPV_nomg(tmpsv, namelen); |
3352 | gv = gv_fetchpvn_flags(name, namelen, SvUTF8(tmpsv), SVt_PVIO); | |
e5e154d2 | 3353 | } |
40c852de | 3354 | } |
fb73857a | 3355 | |
a0d0e21e | 3356 | if (GvIO(gv) && IoIFP(GvIOp(gv))) |
760ac839 | 3357 | fd = PerlIO_fileno(IoIFP(GvIOp(gv))); |
b6cb94c5 | 3358 | else if (name && isDIGIT(*name)) |
96e440d2 | 3359 | fd = grok_atou(name, NULL); |
a0d0e21e | 3360 | else |
8db8f6b6 | 3361 | FT_RETURNUNDEF; |
375ed12a JH |
3362 | if (fd < 0) { |
3363 | SETERRNO(EBADF,RMS_IFI); | |
3364 | FT_RETURNUNDEF; | |
3365 | } | |
6ad3d225 | 3366 | if (PerlLIO_isatty(fd)) |
8db8f6b6 FC |
3367 | FT_RETURNYES; |
3368 | FT_RETURNNO; | |
a0d0e21e LW |
3369 | } |
3370 | ||
b1c05ba5 DM |
3371 | |
3372 | /* also used for: pp_ftbinary() */ | |
3373 | ||
a0d0e21e LW |
3374 | PP(pp_fttext) |
3375 | { | |
a0d0e21e | 3376 | I32 i; |
b66f3475 | 3377 | SSize_t len; |
a0d0e21e LW |
3378 | I32 odd = 0; |
3379 | STDCHAR tbuf[512]; | |
eb578fdb KW |
3380 | STDCHAR *s; |
3381 | IO *io; | |
3382 | SV *sv = NULL; | |
5f05dabc | 3383 | GV *gv; |
146174a9 | 3384 | PerlIO *fp; |
a0d0e21e | 3385 | |
6f1401dc | 3386 | tryAMAGICftest_MG(PL_op->op_type == OP_FTTEXT ? 'T' : 'B'); |
07fe7c6a | 3387 | |
533c011a | 3388 | if (PL_op->op_flags & OPf_REF) |
146174a9 | 3389 | gv = cGVOP_gv; |
d2c4d2d1 | 3390 | else if ((PL_op->op_private & (OPpFT_STACKED|OPpFT_AFTER_t)) |
8db8f6b6 | 3391 | == OPpFT_STACKED) |
ba8182f8 | 3392 | gv = PL_defgv; |
d2c4d2d1 | 3393 | else { |
d2f67720 | 3394 | sv = *PL_stack_sp; |
d2c4d2d1 | 3395 | gv = MAYBE_DEREF_GV_nomg(sv); |
8db8f6b6 | 3396 | } |
5f05dabc | 3397 | |
3398 | if (gv) { | |
3280af22 NIS |
3399 | if (gv == PL_defgv) { |
3400 | if (PL_statgv) | |
bd5f6c01 FC |
3401 | io = SvTYPE(PL_statgv) == SVt_PVIO |
3402 | ? (IO *)PL_statgv | |
3403 | : GvIO(PL_statgv); | |
a0d0e21e | 3404 | else { |
a0d0e21e LW |
3405 | goto really_filename; |
3406 | } | |
3407 | } | |
3408 | else { | |
3280af22 | 3409 | PL_statgv = gv; |
76f68e9b | 3410 | sv_setpvs(PL_statname, ""); |
3280af22 | 3411 | io = GvIO(PL_statgv); |
a0d0e21e | 3412 | } |
eb4c377a | 3413 | PL_laststatval = -1; |
21a64c3e | 3414 | PL_laststype = OP_STAT; |
a0d0e21e | 3415 | if (io && IoIFP(io)) { |
375ed12a | 3416 | int fd; |
5f05dabc | 3417 | if (! PerlIO_has_base(IoIFP(io))) |
cea2e8a9 | 3418 | DIE(aTHX_ "-T and -B not implemented on filehandles"); |
375ed12a JH |
3419 | fd = PerlIO_fileno(IoIFP(io)); |
3420 | if (fd < 0) { | |
3421 | SETERRNO(EBADF,RMS_IFI); | |
3422 | FT_RETURNUNDEF; | |
3423 | } | |
3424 | PL_laststatval = PerlLIO_fstat(fd, &PL_statcache); | |
3280af22 | 3425 | if (PL_laststatval < 0) |
8db8f6b6 | 3426 | FT_RETURNUNDEF; |
9cbac4c7 | 3427 | if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */ |
533c011a | 3428 | if (PL_op->op_type == OP_FTTEXT) |
8db8f6b6 | 3429 | FT_RETURNNO; |
a0d0e21e | 3430 | else |
8db8f6b6 | 3431 | FT_RETURNYES; |
9cbac4c7 | 3432 | } |
a20bf0c3 | 3433 | if (PerlIO_get_cnt(IoIFP(io)) <= 0) { |
760ac839 | 3434 | i = PerlIO_getc(IoIFP(io)); |
a0d0e21e | 3435 | if (i != EOF) |
760ac839 | 3436 | (void)PerlIO_ungetc(IoIFP(io),i); |
bd47baf2 NT |
3437 | else |
3438 | /* null file is anything */ | |
3439 | FT_RETURNYES; | |
a0d0e21e | 3440 | } |
a20bf0c3 JH |
3441 | len = PerlIO_get_bufsiz(IoIFP(io)); |
3442 | s = (STDCHAR *) PerlIO_get_base(IoIFP(io)); | |
760ac839 LW |
3443 | /* sfio can have large buffers - limit to 512 */ |
3444 | if (len > 512) | |
3445 | len = 512; | |
a0d0e21e LW |
3446 | } |
3447 | else { | |
2ad48547 | 3448 | SETERRNO(EBADF,RMS_IFI); |
3f12cff4 | 3449 | report_evil_fh(gv); |
93189314 | 3450 | SETERRNO(EBADF,RMS_IFI); |
8db8f6b6 | 3451 | FT_RETURNUNDEF; |
a0d0e21e LW |
3452 | } |
3453 | } | |
3454 | else { | |
7cb3f959 | 3455 | const char *file; |
375ed12a | 3456 | int fd; |
7cb3f959 | 3457 | |
9959d439 | 3458 | assert(sv); |
81e9306f | 3459 | sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv)); |
5f05dabc | 3460 | really_filename: |
7cb3f959 | 3461 | file = SvPVX_const(PL_statname); |
a0714e2c | 3462 | PL_statgv = NULL; |
7cb3f959 | 3463 | if (!(fp = PerlIO_open(file, "r"))) { |
ad2d99e3 FC |
3464 | if (!gv) { |
3465 | PL_laststatval = -1; | |
3466 | PL_laststype = OP_STAT; | |
3467 | } | |
7cb3f959 | 3468 | if (ckWARN(WARN_NEWLINE) && should_warn_nl(file)) { |
5d37acd6 DM |
3469 | /* PL_warn_nl is constant */ |
3470 | GCC_DIAG_IGNORE(-Wformat-nonliteral); | |
9014280d | 3471 | Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open"); |
5d37acd6 DM |
3472 | GCC_DIAG_RESTORE; |
3473 | } | |
8db8f6b6 | 3474 | FT_RETURNUNDEF; |
a0d0e21e | 3475 | } |
ad2d99e3 | 3476 | PL_laststype = OP_STAT; |
375ed12a JH |
3477 | fd = PerlIO_fileno(fp); |
3478 | if (fd < 0) { | |
3479 | (void)PerlIO_close(fp); | |
3480 | SETERRNO(EBADF,RMS_IFI); | |
3481 | FT_RETURNUNDEF; | |
3482 | } | |
3483 | PL_laststatval = PerlLIO_fstat(fd, &PL_statcache); | |
146174a9 CB |
3484 | if (PL_laststatval < 0) { |
3485 | (void)PerlIO_close(fp); | |
375ed12a | 3486 | SETERRNO(EBADF,RMS_IFI); |
8db8f6b6 | 3487 | FT_RETURNUNDEF; |
146174a9 | 3488 | } |
bd61b366 | 3489 | PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL); |
146174a9 CB |
3490 | len = PerlIO_read(fp, tbuf, sizeof(tbuf)); |
3491 | (void)PerlIO_close(fp); | |
a0d0e21e | 3492 | if (len <= 0) { |
533c011a | 3493 | if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT) |
8db8f6b6 FC |
3494 | FT_RETURNNO; /* special case NFS directories */ |
3495 | FT_RETURNYES; /* null file is anything */ | |
a0d0e21e LW |
3496 | } |
3497 | s = tbuf; | |
3498 | } | |
3499 | ||
3500 | /* now scan s to look for textiness */ | |
3501 | ||
146174a9 CB |
3502 | #if defined(DOSISH) || defined(USEMYBINMODE) |
3503 | /* ignore trailing ^Z on short files */ | |
58c0efa5 | 3504 | if (len && len < (I32)sizeof(tbuf) && tbuf[len-1] == 26) |
146174a9 CB |
3505 | --len; |
3506 | #endif | |
3507 | ||
f13c8ddb | 3508 | assert(len); |
9f10db87 | 3509 | if (! is_invariant_string((U8 *) s, len)) { |
f13c8ddb KW |
3510 | const U8 *ep; |
3511 | ||
9f10db87 KW |
3512 | /* Here contains a variant under UTF-8 . See if the entire string is |
3513 | * UTF-8. But the buffer may end in a partial character, so consider | |
3514 | * it UTF-8 if the first non-UTF8 char is an ending partial */ | |
f13c8ddb KW |
3515 | if (is_utf8_string_loc((U8 *) s, len, &ep) |
3516 | || ep + UTF8SKIP(ep) > (U8 *) (s + len)) | |
3517 | { | |
3518 | if (PL_op->op_type == OP_FTTEXT) { | |
3519 | FT_RETURNYES; | |
3520 | } | |
3521 | else { | |
3522 | FT_RETURNNO; | |
3523 | } | |
3524 | } | |
3525 | } | |
3526 | ||
3527 | /* Here, is not UTF-8 or is entirely ASCII. Look through the buffer for | |
3528 | * things that wouldn't be in ASCII text or rich ASCII text. Count these | |
3529 | * in 'odd' */ | |
a0d0e21e LW |
3530 | for (i = 0; i < len; i++, s++) { |
3531 | if (!*s) { /* null never allowed in text */ | |
3532 | odd += len; | |
3533 | break; | |
3534 | } | |
130c5df3 | 3535 | #ifdef USE_LOCALE_CTYPE |
f13c8ddb KW |
3536 | if (IN_LC_RUNTIME(LC_CTYPE)) { |
3537 | if ( isPRINT_LC(*s) || isSPACE_LC(*s)) { | |
b3f66c68 | 3538 | continue; |
f13c8ddb KW |
3539 | } |
3540 | } | |
3541 | else | |
3542 | #endif | |
3543 | if (isPRINT_A(*s) | |
3544 | /* VT occurs so rarely in text, that we consider it odd */ | |
3545 | || (isSPACE_A(*s) && *s != VT_NATIVE) | |
3546 | ||
3547 | /* But there is a fair amount of backspaces and escapes in | |
3548 | * some text */ | |
3549 | || *s == '\b' | |
3550 | || *s == ESC_NATIVE) | |
3551 | { | |
3552 | continue; | |
3553 | } | |
3554 | odd++; | |
a0d0e21e LW |
3555 | } |
3556 | ||
533c011a | 3557 | if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */ |
8db8f6b6 | 3558 | FT_RETURNNO; |
a0d0e21e | 3559 | else |
8db8f6b6 | 3560 | FT_RETURNYES; |
a0d0e21e LW |
3561 | } |
3562 | ||
a0d0e21e LW |
3563 | /* File calls. */ |
3564 | ||
3565 | PP(pp_chdir) | |
3566 | { | |
20b7effb | 3567 | dSP; dTARGET; |
c445ea15 | 3568 | const char *tmps = NULL; |
9a957fbc | 3569 | GV *gv = NULL; |
a0d0e21e | 3570 | |
c4aca7d0 | 3571 | if( MAXARG == 1 ) { |
9a957fbc | 3572 | SV * const sv = POPs; |
d4ac975e GA |
3573 | if (PL_op->op_flags & OPf_SPECIAL) { |
3574 | gv = gv_fetchsv(sv, 0, SVt_PVIO); | |
3575 | } | |
2ea1cce7 | 3576 | else if (!(gv = MAYBE_DEREF_GV(sv))) |
a0c4bfab | 3577 | tmps = SvPV_nomg_const_nolen(sv); |
c4aca7d0 | 3578 | } |
35ae6b54 | 3579 | |
c4aca7d0 | 3580 | if( !gv && (!tmps || !*tmps) ) { |
9a957fbc AL |
3581 | HV * const table = GvHVn(PL_envgv); |
3582 | SV **svp; | |
3583 | ||
a4fc7abc AL |
3584 | if ( (svp = hv_fetchs(table, "HOME", FALSE)) |
3585 | || (svp = hv_fetchs(table, "LOGDIR", FALSE)) | |
491527d0 | 3586 | #ifdef VMS |
a4fc7abc | 3587 | || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE)) |
491527d0 | 3588 | #endif |
35ae6b54 MS |
3589 | ) |
3590 | { | |
3591 | if( MAXARG == 1 ) | |
9014280d | 3592 | deprecate("chdir('') or chdir(undef) as chdir()"); |
8c074e2a | 3593 | tmps = SvPV_nolen_const(*svp); |
35ae6b54 | 3594 | } |
72f496dc | 3595 | else { |
389ec635 | 3596 | PUSHi(0); |
b7ab37f8 | 3597 | TAINT_PROPER("chdir"); |
389ec635 MS |
3598 | RETURN; |
3599 | } | |
8ea155d1 | 3600 | } |
8ea155d1 | 3601 | |
a0d0e21e | 3602 | TAINT_PROPER("chdir"); |
c4aca7d0 GA |
3603 | if (gv) { |
3604 | #ifdef HAS_FCHDIR | |
9a957fbc | 3605 | IO* const io = GvIO(gv); |
c4aca7d0 | 3606 | if (io) { |
c08d6937 | 3607 | if (IoDIRP(io)) { |
3497a01f | 3608 | PUSHi(fchdir(my_dirfd(IoDIRP(io))) >= 0); |
c08d6937 | 3609 | } else if (IoIFP(io)) { |
375ed12a JH |
3610 | int fd = PerlIO_fileno(IoIFP(io)); |
3611 | if (fd < 0) { | |
3612 | goto nuts; | |
3613 | } | |
3614 | PUSHi(fchdir(fd) >= 0); | |
c4aca7d0 GA |
3615 | } |
3616 | else { | |
375ed12a | 3617 | goto nuts; |
c4aca7d0 | 3618 | } |
375ed12a JH |
3619 | } else { |
3620 | goto nuts; | |
c4aca7d0 | 3621 | } |
375ed12a | 3622 | |
c4aca7d0 GA |
3623 | #else |
3624 | DIE(aTHX_ PL_no_func, "fchdir"); | |
3625 | #endif | |
3626 | } | |
3627 | else | |
b8ffc8df | 3628 | PUSHi( PerlDir_chdir(tmps) >= 0 ); |
748a9306 LW |
3629 | #ifdef VMS |
3630 | /* Clear the DEFAULT element of ENV so we'll get the new value | |
3631 | * in the future. */ | |
6b88bc9c | 3632 | hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD); |
748a9306 | 3633 | #endif |
a0d0e21e | 3634 | RETURN; |
375ed12a | 3635 | |
0a9cc54c | 3636 | #ifdef HAS_FCHDIR |
375ed12a JH |
3637 | nuts: |
3638 | report_evil_fh(gv); | |
3639 | SETERRNO(EBADF,RMS_IFI); | |
3640 | PUSHi(0); | |
3641 | RETURN; | |
0a9cc54c | 3642 | #endif |
a0d0e21e LW |
3643 | } |
3644 | ||
b1c05ba5 DM |
3645 | |
3646 | /* also used for: pp_chmod() pp_kill() pp_unlink() pp_utime() */ | |
3647 | ||
a0d0e21e LW |
3648 | PP(pp_chown) |
3649 | { | |
20b7effb | 3650 | dSP; dMARK; dTARGET; |
605b9385 | 3651 | const I32 value = (I32)apply(PL_op->op_type, MARK, SP); |
76ffd3b9 | 3652 | |
a0d0e21e | 3653 | SP = MARK; |
b59aed67 | 3654 | XPUSHi(value); |
a0d0e21e | 3655 | RETURN; |
a0d0e21e LW |
3656 | } |
3657 | ||
3658 | PP(pp_chroot) | |
3659 | { | |
a0d0e21e | 3660 | #ifdef HAS_CHROOT |
20b7effb | 3661 | dSP; dTARGET; |
7452cf6a | 3662 | char * const tmps = POPpx; |
a0d0e21e LW |
3663 | TAINT_PROPER("chroot"); |
3664 | PUSHi( chroot(tmps) >= 0 ); | |
3665 | RETURN; | |
3666 | #else | |
cea2e8a9 | 3667 | DIE(aTHX_ PL_no_func, "chroot"); |
a0d0e21e LW |
3668 | #endif |
3669 | } | |
3670 | ||
a0d0e21e LW |
3671 | PP(pp_rename) |
3672 | { | |
20b7effb | 3673 | dSP; dTARGET; |
a0d0e21e | 3674 | int anum; |
7452cf6a AL |
3675 | const char * const tmps2 = POPpconstx; |
3676 | const char * const tmps = SvPV_nolen_const(TOPs); | |
a0d0e21e LW |
3677 | TAINT_PROPER("rename"); |
3678 | #ifdef HAS_RENAME | |
baed7233 | 3679 | anum = PerlLIO_rename(tmps, tmps2); |
a0d0e21e | 3680 | #else |
6b88bc9c | 3681 | if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) { |
ed969818 W |
3682 | if (same_dirent(tmps2, tmps)) /* can always rename to same name */ |
3683 | anum = 1; | |
3684 | else { | |
985213f2 | 3685 | if (PerlProc_geteuid() || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode)) |
ed969818 W |
3686 | (void)UNLINK(tmps2); |
3687 | if (!(anum = link(tmps, tmps2))) | |
3688 | anum = UNLINK(tmps); | |
3689 | } | |
a0d0e21e LW |
3690 | } |
3691 | #endif | |
3692 | SETi( anum >= 0 ); | |
3693 | RETURN; | |
3694 | } | |
3695 | ||
b1c05ba5 DM |
3696 | |
3697 | /* also used for: pp_symlink() */ | |
3698 | ||
ce6987d0 | 3699 | #if defined(HAS_LINK) || defined(HAS_SYMLINK) |
a0d0e21e LW |
3700 | PP(pp_link) |
3701 | { | |
20b7effb | 3702 | dSP; dTARGET; |
ce6987d0 NC |
3703 | const int op_type = PL_op->op_type; |
3704 | int result; | |
a0d0e21e | 3705 | |
ce6987d0 NC |
3706 | # ifndef HAS_LINK |
3707 | if (op_type == OP_LINK) | |
3708 | DIE(aTHX_ PL_no_func, "link"); | |
3709 | # endif | |
3710 | # ifndef HAS_SYMLINK | |
3711 | if (op_type == OP_SYMLINK) | |
3712 | DIE(aTHX_ PL_no_func, "symlink"); | |
3713 | # endif | |
3714 | ||
3715 | { | |
7452cf6a AL |
3716 | const char * const tmps2 = POPpconstx; |
3717 | const char * const tmps = SvPV_nolen_const(TOPs); | |
ce6987d0 NC |
3718 | TAINT_PROPER(PL_op_desc[op_type]); |
3719 | result = | |
3720 | # if defined(HAS_LINK) | |
3721 | # if defined(HAS_SYMLINK) | |
3722 | /* Both present - need to choose which. */ | |
3723 | (op_type == OP_LINK) ? | |
3724 | PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2); | |
3725 | # else | |
4a8ebb7f SH |
3726 | /* Only have link, so calls to pp_symlink will have DIE()d above. */ |
3727 | PerlLIO_link(tmps, tmps2); | |
ce6987d0 NC |
3728 | # endif |
3729 | # else | |
3730 | # if defined(HAS_SYMLINK) | |
4a8ebb7f SH |
3731 | /* Only have symlink, so calls to pp_link will have DIE()d above. */ |
3732 | symlink(tmps, tmps2); | |
ce6987d0 NC |
3733 | # endif |
3734 | # endif | |
3735 | } | |
3736 | ||
3737 | SETi( result >= 0 ); | |
a0d0e21e | 3738 | RETURN; |
ce6987d0 | 3739 | } |
a0d0e21e | 3740 | #else |
b1c05ba5 DM |
3741 | |
3742 | /* also used for: pp_symlink() */ | |
3743 | ||
ce6987d0 NC |
3744 | PP(pp_link) |
3745 | { | |
3746 | /* Have neither. */ | |
3747 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
a0d0e21e | 3748 | } |
ce6987d0 | 3749 | #endif |
a0d0e21e LW |
3750 | |
3751 | PP(pp_readlink) | |
3752 | { | |
76ffd3b9 | 3753 | dSP; |
a0d0e21e | 3754 | #ifdef HAS_SYMLINK |
76ffd3b9 | 3755 | dTARGET; |
10516c54 | 3756 | const char *tmps; |
46fc3d4c | 3757 | char buf[MAXPATHLEN]; |
51b468f6 | 3758 | SSize_t len; |
46fc3d4c | 3759 | |
fb73857a | 3760 | TAINT; |
10516c54 | 3761 | tmps = POPpconstx; |
51b468f6 JH |
3762 | /* NOTE: if the length returned by readlink() is sizeof(buf) - 1, |
3763 | * it is impossible to know whether the result was truncated. */ | |
97dcea33 | 3764 | len = readlink(tmps, buf, sizeof(buf) - 1); |
a0d0e21e LW |
3765 | if (len < 0) |
3766 | RETPUSHUNDEF; | |
51b468f6 JH |
3767 | if (len != -1) |
3768 | buf[len] = '\0'; | |
a0d0e21e LW |
3769 | PUSHp(buf, len); |
3770 | RETURN; | |
3771 | #else | |
3772 | EXTEND(SP, 1); | |
3773 | RETSETUNDEF; /* just pretend it's a normal file */ | |
3774 | #endif | |
3775 | } | |
3776 | ||
3777 | #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR) | |
ba106d47 | 3778 | STATIC int |
b464bac0 | 3779 | S_dooneliner(pTHX_ const char *cmd, const char *filename) |
a0d0e21e | 3780 | { |
b464bac0 | 3781 | char * const save_filename = filename; |
1e422769 | 3782 | char *cmdline; |
3783 | char *s; | |
760ac839 | 3784 | PerlIO *myfp; |
1e422769 | 3785 | int anum = 1; |
6fca0082 | 3786 | Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10; |
a0d0e21e | 3787 | |
7918f24d NC |
3788 | PERL_ARGS_ASSERT_DOONELINER; |
3789 | ||
6fca0082 SP |
3790 | Newx(cmdline, size, char); |
3791 | my_strlcpy(cmdline, cmd, size); | |
3792 | my_strlcat(cmdline, " ", size); | |
1e422769 | 3793 | for (s = cmdline + strlen(cmdline); *filename; ) { |
a0d0e21e LW |
3794 | *s++ = '\\'; |
3795 | *s++ = *filename++; | |
3796 | } | |
d1307786 JH |
3797 | if (s - cmdline < size) |
3798 | my_strlcpy(s, " 2>&1", size - (s - cmdline)); | |
6ad3d225 | 3799 | myfp = PerlProc_popen(cmdline, "r"); |
1e422769 | 3800 | Safefree(cmdline); |
3801 | ||
a0d0e21e | 3802 | if (myfp) { |
0bcc34c2 | 3803 | SV * const tmpsv = sv_newmortal(); |
6b88bc9c | 3804 | /* Need to save/restore 'PL_rs' ?? */ |
760ac839 | 3805 | s = sv_gets(tmpsv, myfp, 0); |
6ad3d225 | 3806 | (void)PerlProc_pclose(myfp); |
bd61b366 | 3807 | if (s != NULL) { |
1e422769 | 3808 | int e; |
3809 | for (e = 1; | |
a0d0e21e | 3810 | #ifdef HAS_SYS_ERRLIST |
1e422769 | 3811 | e <= sys_nerr |
3812 | #endif | |
3813 | ; e++) | |
3814 | { | |
3815 | /* you don't see this */ | |
9b86a269 | 3816 | const char * const errmsg = Strerror(e) ; |
1e422769 | 3817 | if (!errmsg) |
3818 | break; | |
3819 | if (instr(s, errmsg)) { | |
3820 | SETERRNO(e,0); | |
3821 | return 0; | |
3822 | } | |
a0d0e21e | 3823 | } |
748a9306 | 3824 | SETERRNO(0,0); |
a0d0e21e LW |
3825 | #ifndef EACCES |
3826 | #define EACCES EPERM | |
3827 | #endif | |
1e422769 | 3828 | if (instr(s, "cannot make")) |
93189314 | 3829 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3830 | else if (instr(s, "existing file")) |
93189314 | 3831 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3832 | else if (instr(s, "ile exists")) |
93189314 | 3833 | SETERRNO(EEXIST,RMS_FEX); |
1e422769 | 3834 | else if (instr(s, "non-exist")) |
93189314 | 3835 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3836 | else if (instr(s, "does not exist")) |
93189314 | 3837 | SETERRNO(ENOENT,RMS_FNF); |
1e422769 | 3838 | else if (instr(s, "not empty")) |
93189314 | 3839 | SETERRNO(EBUSY,SS_DEVOFFLINE); |
1e422769 | 3840 | else if (instr(s, "cannot access")) |
93189314 | 3841 | SETERRNO(EACCES,RMS_PRV); |
a0d0e21e | 3842 | else |
93189314 | 3843 | SETERRNO(EPERM,RMS_PRV); |
a0d0e21e LW |
3844 | return 0; |
3845 | } | |
3846 | else { /* some mkdirs return no failure indication */ | |
6b88bc9c | 3847 | anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0); |
911d147d | 3848 | if (PL_op->op_type == OP_RMDIR) |
a0d0e21e LW |
3849 | anum = !anum; |
3850 | if (anum) | |
748a9306 | 3851 | SETERRNO(0,0); |
a0d0e21e | 3852 | else |
93189314 | 3853 | SETERRNO(EACCES,RMS_PRV); /* a guess */ |
a0d0e21e LW |
3854 | } |
3855 | return anum; | |
3856 | } | |
3857 | else | |
3858 | return 0; | |
3859 | } | |
3860 | #endif | |
3861 | ||
0c54f65b RGS |
3862 | /* This macro removes trailing slashes from a directory name. |
3863 | * Different operating and file systems take differently to | |
3864 | * trailing slashes. According to POSIX 1003.1 1996 Edition | |
3865 | * any number of trailing slashes should be allowed. | |
3866 | * Thusly we snip them away so that even non-conforming | |
3867 | * systems are happy. | |
3868 | * We should probably do this "filtering" for all | |
3869 | * the functions that expect (potentially) directory names: | |
3870 | * -d, chdir(), chmod(), chown(), chroot(), fcntl()?, | |
3871 | * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */ | |
3872 | ||
5c144d81 | 3873 | #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \ |
0c54f65b RGS |
3874 | if ((len) > 1 && (tmps)[(len)-1] == '/') { \ |
3875 | do { \ | |
3876 | (len)--; \ | |
3877 | } while ((len) > 1 && (tmps)[(len)-1] == '/'); \ | |
3878 | (tmps) = savepvn((tmps), (len)); \ | |
3879 | (copy) = TRUE; \ | |
3880 | } | |
3881 | ||
a0d0e21e LW |
3882 | PP(pp_mkdir) |
3883 | { | |
20b7effb | 3884 | dSP; dTARGET; |
df25ddba | 3885 | STRLEN len; |
5c144d81 | 3886 | const char *tmps; |
df25ddba | 3887 | bool copy = FALSE; |
f6c68483 | 3888 | const int mode = (MAXARG > 1 && (TOPs||((void)POPs,0))) ? POPi : 0777; |
5a211162 | 3889 | |
0c54f65b | 3890 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3891 | |
3892 | TAINT_PROPER("mkdir"); | |
3893 | #ifdef HAS_MKDIR | |
b8ffc8df | 3894 | SETi( PerlDir_mkdir(tmps, mode) >= 0 ); |
a0d0e21e | 3895 | #else |
0bcc34c2 AL |
3896 | { |
3897 | int oldumask; | |
a0d0e21e | 3898 | SETi( dooneliner("mkdir", tmps) ); |
6ad3d225 GS |
3899 | oldumask = PerlLIO_umask(0); |
3900 | PerlLIO_umask(oldumask); | |
3901 | PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777); | |
0bcc34c2 | 3902 | } |
a0d0e21e | 3903 | #endif |
df25ddba JH |
3904 | if (copy) |
3905 | Safefree(tmps); | |
a0d0e21e LW |
3906 | RETURN; |
3907 | } | |
3908 | ||
3909 | PP(pp_rmdir) | |
3910 | { | |
20b7effb | 3911 | dSP; dTARGET; |
0c54f65b | 3912 | STRLEN len; |
5c144d81 | 3913 | const char *tmps; |
0c54f65b | 3914 | bool copy = FALSE; |
a0d0e21e | 3915 | |
0c54f65b | 3916 | TRIMSLASHES(tmps,len,copy); |
a0d0e21e LW |
3917 | TAINT_PROPER("rmdir"); |
3918 | #ifdef HAS_RMDIR | |
b8ffc8df | 3919 | SETi( PerlDir_rmdir(tmps) >= 0 ); |
a0d0e21e | 3920 | #else |
0c54f65b | 3921 | SETi( dooneliner("rmdir", tmps) ); |
a0d0e21e | 3922 | #endif |
0c54f65b RGS |
3923 | if (copy) |
3924 | Safefree(tmps); | |
a0d0e21e LW |
3925 | RETURN; |
3926 | } | |
3927 | ||
3928 | /* Directory calls. */ | |
3929 | ||
3930 | PP(pp_open_dir) | |
3931 | { | |
a0d0e21e | 3932 | #if defined(Direntry_t) && defined(HAS_READDIR) |
20b7effb | 3933 | dSP; |
7452cf6a | 3934 | const char * const dirname = POPpconstx; |
159b6efe | 3935 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 3936 | IO * const io = GvIOn(gv); |
a0d0e21e | 3937 | |
a2a5de95 | 3938 | if ((IoIFP(io) || IoOFP(io))) |
d1d15184 | 3939 | Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED), |
d0c0e7dd FC |
3940 | "Opening filehandle %"HEKf" also as a directory", |
3941 | HEKfARG(GvENAME_HEK(gv)) ); | |
a0d0e21e | 3942 | if (IoDIRP(io)) |
6ad3d225 | 3943 | PerlDir_close(IoDIRP(io)); |
b8ffc8df | 3944 | if (!(IoDIRP(io) = PerlDir_open(dirname))) |
a0d0e21e LW |
3945 | goto nope; |
3946 | ||
3947 | RETPUSHYES; | |
7b52d656 | 3948 | nope: |
a0d0e21e | 3949 | if (!errno) |
93189314 | 3950 | SETERRNO(EBADF,RMS_DIR); |
a0d0e21e LW |
3951 | RETPUSHUNDEF; |
3952 | #else | |
cea2e8a9 | 3953 | DIE(aTHX_ PL_no_dir_func, "opendir"); |
a0d0e21e LW |
3954 | #endif |
3955 | } | |
3956 | ||
3957 | PP(pp_readdir) | |
3958 | { | |
34b7f128 AMS |
3959 | #if !defined(Direntry_t) || !defined(HAS_READDIR) |
3960 | DIE(aTHX_ PL_no_dir_func, "readdir"); | |
3961 | #else | |
fd8cd3a3 | 3962 | #if !defined(I_DIRENT) && !defined(VMS) |
20ce7b12 | 3963 | Direntry_t *readdir (DIR *); |
a0d0e21e | 3964 | #endif |
34b7f128 AMS |
3965 | dSP; |
3966 | ||
3967 | SV *sv; | |
82334630 | 3968 | const I32 gimme = GIMME_V; |
159b6efe | 3969 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb KW |
3970 | const Direntry_t *dp; |
3971 | IO * const io = GvIOn(gv); | |
a0d0e21e | 3972 | |
8a6c0fcb | 3973 | if (!IoDIRP(io)) { |
a2a5de95 | 3974 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
d0c0e7dd FC |
3975 | "readdir() attempted on invalid dirhandle %"HEKf, |
3976 | HEKfARG(GvENAME_HEK(gv))); | |
3b7fbd4a SP |
3977 | goto nope; |
3978 | } | |
a0d0e21e | 3979 | |
34b7f128 AMS |
3980 | do { |
3981 | dp = (Direntry_t *)PerlDir_read(IoDIRP(io)); | |
3982 | if (!dp) | |
3983 | break; | |
a0d0e21e | 3984 | #ifdef DIRNAMLEN |
34b7f128 | 3985 | sv = newSVpvn(dp->d_name, dp->d_namlen); |
a0d0e21e | 3986 | #else |
34b7f128 | 3987 | sv = newSVpv(dp->d_name, 0); |
fb73857a | 3988 | #endif |
34b7f128 AMS |
3989 | if (!(IoFLAGS(io) & IOf_UNTAINT)) |
3990 | SvTAINTED_on(sv); | |
6e449a3a | 3991 | mXPUSHs(sv); |
a79db61d | 3992 | } while (gimme == G_ARRAY); |
34b7f128 AMS |
3993 | |
3994 | if (!dp && gimme != G_ARRAY) | |
ee71f1d1 | 3995 | RETPUSHUNDEF; |
34b7f128 | 3996 | |
a0d0e21e LW |
3997 | RETURN; |
3998 | ||
7b52d656 | 3999 | nope: |
a0d0e21e | 4000 | if (!errno) |
93189314 | 4001 | SETERRNO(EBADF,RMS_ISI); |
da39159d | 4002 | if (gimme == G_ARRAY) |
a0d0e21e LW |
4003 | RETURN; |
4004 | else | |
4005 | RETPUSHUNDEF; | |
a0d0e21e LW |
4006 | #endif |
4007 | } | |
4008 | ||
4009 | PP(pp_telldir) | |
4010 | { | |
a0d0e21e | 4011 | #if defined(HAS_TELLDIR) || defined(telldir) |
20b7effb | 4012 | dSP; dTARGET; |
968dcd91 JH |
4013 | /* XXX does _anyone_ need this? --AD 2/20/1998 */ |
4014 | /* XXX netbsd still seemed to. | |
4015 | XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style. | |
4016 | --JHI 1999-Feb-02 */ | |
4017 | # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO) | |
20ce7b12 | 4018 | long telldir (DIR *); |
dfe9444c | 4019 | # endif |
159b6efe | 4020 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 4021 | IO * const io = GvIOn(gv); |
a0d0e21e | 4022 | |
8a6c0fcb | 4023 | if (!IoDIRP(io)) { |
a2a5de95 | 4024 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
d0c0e7dd FC |
4025 | "telldir() attempted on invalid dirhandle %"HEKf, |
4026 | HEKfARG(GvENAME_HEK(gv))); | |
abc7ecad SP |
4027 | goto nope; |
4028 | } | |
a0d0e21e | 4029 | |
6ad3d225 | 4030 | PUSHi( PerlDir_tell(IoDIRP(io)) ); |
a0d0e21e | 4031 | RETURN; |
7b52d656 | 4032 | nope: |
a0d0e21e | 4033 | if (!errno) |
93189314 | 4034 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
4035 | RETPUSHUNDEF; |
4036 | #else | |
cea2e8a9 | 4037 | DIE(aTHX_ PL_no_dir_func, "telldir"); |
a0d0e21e LW |
4038 | #endif |
4039 | } | |
4040 | ||
4041 | PP(pp_seekdir) | |
4042 | { | |
a0d0e21e | 4043 | #if defined(HAS_SEEKDIR) || defined(seekdir) |
20b7effb | 4044 | dSP; |
7452cf6a | 4045 | const long along = POPl; |
159b6efe | 4046 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 4047 | IO * const io = GvIOn(gv); |
a0d0e21e | 4048 | |
8a6c0fcb | 4049 | if (!IoDIRP(io)) { |
a2a5de95 | 4050 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
d0c0e7dd FC |
4051 | "seekdir() attempted on invalid dirhandle %"HEKf, |
4052 | HEKfARG(GvENAME_HEK(gv))); | |
abc7ecad SP |
4053 | goto nope; |
4054 | } | |
6ad3d225 | 4055 | (void)PerlDir_seek(IoDIRP(io), along); |
a0d0e21e LW |
4056 | |
4057 | RETPUSHYES; | |
7b52d656 | 4058 | nope: |
a0d0e21e | 4059 | if (!errno) |
93189314 | 4060 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
4061 | RETPUSHUNDEF; |
4062 | #else | |
cea2e8a9 | 4063 | DIE(aTHX_ PL_no_dir_func, "seekdir"); |
a0d0e21e LW |
4064 | #endif |
4065 | } | |
4066 | ||
4067 | PP(pp_rewinddir) | |
4068 | { | |
a0d0e21e | 4069 | #if defined(HAS_REWINDDIR) || defined(rewinddir) |
20b7effb | 4070 | dSP; |
159b6efe | 4071 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 4072 | IO * const io = GvIOn(gv); |
a0d0e21e | 4073 | |
8a6c0fcb | 4074 | if (!IoDIRP(io)) { |
a2a5de95 | 4075 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
d0c0e7dd FC |
4076 | "rewinddir() attempted on invalid dirhandle %"HEKf, |
4077 | HEKfARG(GvENAME_HEK(gv))); | |
a0d0e21e | 4078 | goto nope; |
abc7ecad | 4079 | } |
6ad3d225 | 4080 | (void)PerlDir_rewind(IoDIRP(io)); |
a0d0e21e | 4081 | RETPUSHYES; |
7b52d656 | 4082 | nope: |
a0d0e21e | 4083 | if (!errno) |
93189314 | 4084 | SETERRNO(EBADF,RMS_ISI); |
a0d0e21e LW |
4085 | RETPUSHUNDEF; |
4086 | #else | |
cea2e8a9 | 4087 | DIE(aTHX_ PL_no_dir_func, "rewinddir"); |
a0d0e21e LW |
4088 | #endif |
4089 | } | |
4090 | ||
4091 | PP(pp_closedir) | |
4092 | { | |
a0d0e21e | 4093 | #if defined(Direntry_t) && defined(HAS_READDIR) |
20b7effb | 4094 | dSP; |
159b6efe | 4095 | GV * const gv = MUTABLE_GV(POPs); |
eb578fdb | 4096 | IO * const io = GvIOn(gv); |
a0d0e21e | 4097 | |
8a6c0fcb | 4098 | if (!IoDIRP(io)) { |
a2a5de95 | 4099 | Perl_ck_warner(aTHX_ packWARN(WARN_IO), |
d0c0e7dd FC |
4100 | "closedir() attempted on invalid dirhandle %"HEKf, |
4101 | HEKfARG(GvENAME_HEK(gv))); | |
abc7ecad SP |
4102 | goto nope; |
4103 | } | |
a0d0e21e | 4104 | #ifdef VOID_CLOSEDIR |
6ad3d225 | 4105 | PerlDir_close(IoDIRP(io)); |
a0d0e21e | 4106 | #else |
6ad3d225 | 4107 | if (PerlDir_close(IoDIRP(io)) < 0) { |
748a9306 | 4108 | IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */ |
a0d0e21e | 4109 | goto nope; |
748a9306 | 4110 | } |
a0d0e21e LW |
4111 | #endif |
4112 | IoDIRP(io) = 0; | |
4113 | ||
4114 | RETPUSHYES; | |
7b52d656 | 4115 | nope: |
a0d0e21e | 4116 | if (!errno) |
93189314 | 4117 | SETERRNO(EBADF,RMS_IFI); |
a0d0e21e LW |
4118 | RETPUSHUNDEF; |
4119 | #else | |
cea2e8a9 | 4120 | DIE(aTHX_ PL_no_dir_func, "closedir"); |
a0d0e21e LW |
4121 | #endif |
4122 | } | |
4123 | ||
4124 | /* Process control. */ | |
4125 | ||
4126 | PP(pp_fork) | |
4127 | { | |
44a8e56a | 4128 | #ifdef HAS_FORK |
20b7effb | 4129 | dSP; dTARGET; |
761237fe | 4130 | Pid_t childpid; |
21e89b5f | 4131 | #ifdef HAS_SIGPROCMASK |
eb3d0a58 LT |
4132 | sigset_t oldmask, newmask; |
4133 | #endif | |
a0d0e21e LW |
4134 | |
4135 | EXTEND(SP, 1); | |
45bc9206 | 4136 | PERL_FLUSHALL_FOR_CHILD; |
21e89b5f | 4137 | #ifdef HAS_SIGPROCMASK |
eb3d0a58 LT |
4138 | sigfillset(&newmask); |
4139 | sigprocmask(SIG_SETMASK, &newmask, &oldmask); | |
4140 | #endif | |
52e18b1f | 4141 | childpid = PerlProc_fork(); |
eb3d0a58 LT |
4142 | if (childpid == 0) { |
4143 | int sig; | |
4144 | PL_sig_pending = 0; | |
4145 | if (PL_psig_pend) | |
4146 | for (sig = 1; sig < SIG_SIZE; sig++) | |
4147 | PL_psig_pend[sig] = 0; | |
4148 | } | |
21e89b5f | 4149 | #ifdef HAS_SIGPROCMASK |
eb3d0a58 LT |
4150 | { |
4151 | dSAVE_ERRNO; | |
4152 | sigprocmask(SIG_SETMASK, &oldmask, NULL); | |
4153 | RESTORE_ERRNO; | |
4154 | } | |
4155 | #endif | |
a0d0e21e | 4156 | if (childpid < 0) |
af2fe5eb | 4157 | RETPUSHUNDEF; |
a0d0e21e | 4158 | if (!childpid) { |
ca0c25f6 | 4159 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 4160 | hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */ |
ca0c25f6 | 4161 | #endif |
a0d0e21e LW |
4162 | } |
4163 | PUSHi(childpid); | |
4164 | RETURN; | |
4165 | #else | |
146174a9 | 4166 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
39644a26 | 4167 | dSP; dTARGET; |
146174a9 CB |
4168 | Pid_t childpid; |
4169 | ||
4170 | EXTEND(SP, 1); | |
4171 | PERL_FLUSHALL_FOR_CHILD; | |
4172 | childpid = PerlProc_fork(); | |
60fa28ff | 4173 | if (childpid == -1) |
af2fe5eb | 4174 | RETPUSHUNDEF; |
146174a9 CB |
4175 | PUSHi(childpid); |
4176 | RETURN; | |
4177 | # else | |
0322a713 | 4178 | DIE(aTHX_ PL_no_func, "fork"); |
146174a9 | 4179 | # endif |
a0d0e21e LW |
4180 | #endif |
4181 | } | |
4182 | ||
4183 | PP(pp_wait) | |
4184 | { | |
e37778c2 | 4185 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__) |
20b7effb | 4186 | dSP; dTARGET; |
761237fe | 4187 | Pid_t childpid; |
a0d0e21e | 4188 | int argflags; |
a0d0e21e | 4189 | |
4ffa73a3 JH |
4190 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
4191 | childpid = wait4pid(-1, &argflags, 0); | |
4192 | else { | |
4193 | while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && | |
4194 | errno == EINTR) { | |
4195 | PERL_ASYNC_CHECK(); | |
4196 | } | |
0a0ada86 | 4197 | } |
68a29c53 GS |
4198 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4199 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 4200 | STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1); |
68a29c53 | 4201 | # else |
2fbb330f | 4202 | STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1); |
68a29c53 | 4203 | # endif |
44a8e56a | 4204 | XPUSHi(childpid); |
a0d0e21e LW |
4205 | RETURN; |
4206 | #else | |
0322a713 | 4207 | DIE(aTHX_ PL_no_func, "wait"); |
a0d0e21e LW |
4208 | #endif |
4209 | } | |
4210 | ||
4211 | PP(pp_waitpid) | |
4212 | { | |
e37778c2 | 4213 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__) |
20b7effb | 4214 | dSP; dTARGET; |
0bcc34c2 AL |
4215 | const int optype = POPi; |
4216 | const Pid_t pid = TOPi; | |
2ec0bfb3 | 4217 | Pid_t result; |
a0d0e21e | 4218 | int argflags; |
a0d0e21e | 4219 | |
4ffa73a3 | 4220 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
2ec0bfb3 | 4221 | result = wait4pid(pid, &argflags, optype); |
4ffa73a3 | 4222 | else { |
2ec0bfb3 | 4223 | while ((result = wait4pid(pid, &argflags, optype)) == -1 && |
4ffa73a3 JH |
4224 | errno == EINTR) { |
4225 | PERL_ASYNC_CHECK(); | |
4226 | } | |
0a0ada86 | 4227 | } |
68a29c53 GS |
4228 | # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS) |
4229 | /* 0 and -1 are both error returns (the former applies to WNOHANG case) */ | |
2fbb330f | 4230 | STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1); |
68a29c53 | 4231 | # else |
2fbb330f | 4232 | STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1); |
68a29c53 | 4233 | # endif |
2ec0bfb3 | 4234 | SETi(result); |
a0d0e21e LW |
4235 | RETURN; |
4236 | #else | |
0322a713 | 4237 | DIE(aTHX_ PL_no_func, "waitpid"); |
a0d0e21e LW |
4238 | #endif |
4239 | } | |
4240 | ||
4241 | PP(pp_system) | |
4242 | { | |
20b7effb | 4243 | dSP; dMARK; dORIGMARK; dTARGET; |
9c12f1e5 RGS |
4244 | #if defined(__LIBCATAMOUNT__) |
4245 | PL_statusvalue = -1; | |
4246 | SP = ORIGMARK; | |
4247 | XPUSHi(-1); | |
4248 | #else | |
a0d0e21e | 4249 | I32 value; |
76ffd3b9 | 4250 | int result; |
a0d0e21e | 4251 | |
284167a5 | 4252 | if (TAINTING_get) { |
bbd7eb8a RD |
4253 | TAINT_ENV(); |
4254 | while (++MARK <= SP) { | |
10516c54 | 4255 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
284167a5 | 4256 | if (TAINT_get) |
bbd7eb8a RD |
4257 | break; |
4258 | } | |
4259 | MARK = ORIGMARK; | |
5a445156 | 4260 | TAINT_PROPER("system"); |
a0d0e21e | 4261 | } |
45bc9206 | 4262 | PERL_FLUSHALL_FOR_CHILD; |
273b0206 | 4263 | #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO) |
d7e492a4 | 4264 | { |
eb160463 GS |
4265 | Pid_t childpid; |
4266 | int pp[2]; | |
27da23d5 | 4267 | I32 did_pipes = 0; |
21e89b5f | 4268 | #ifdef HAS_SIGPROCMASK |
b1cf9e92 LT |
4269 | sigset_t newset, oldset; |
4270 | #endif | |
eb160463 GS |
4271 | |
4272 | if (PerlProc_pipe(pp) >= 0) | |
4273 | did_pipes = 1; | |
21e89b5f | 4274 | #ifdef HAS_SIGPROCMASK |
b1cf9e92 LT |
4275 | sigemptyset(&newset); |
4276 | sigaddset(&newset, SIGCHLD); | |
4277 | sigprocmask(SIG_BLOCK, &newset, &oldset); | |
4278 | #endif | |
eb160463 GS |
4279 | while ((childpid = PerlProc_fork()) == -1) { |
4280 | if (errno != EAGAIN) { | |
4281 | value = -1; | |
4282 | SP = ORIGMARK; | |
b59aed67 | 4283 | XPUSHi(value); |
eb160463 GS |
4284 | if (did_pipes) { |
4285 | PerlLIO_close(pp[0]); | |
4286 | PerlLIO_close(pp[1]); | |
4287 | } | |
21e89b5f | 4288 | #ifdef HAS_SIGPROCMASK |
b1cf9e92 LT |
4289 | sigprocmask(SIG_SETMASK, &oldset, NULL); |
4290 | #endif | |
eb160463 GS |
4291 | RETURN; |
4292 | } | |
4293 | sleep(5); | |
4294 | } | |
4295 | if (childpid > 0) { | |
4296 | Sigsave_t ihand,qhand; /* place to save signals during system() */ | |
4297 | int status; | |
4298 | ||
4299 | if (did_pipes) | |
4300 | PerlLIO_close(pp[1]); | |
64ca3a65 | 4301 | #ifndef PERL_MICRO |
8aad04aa JH |
4302 | rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand); |
4303 | rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand); | |
64ca3a65 | 4304 | #endif |
eb160463 GS |
4305 | do { |
4306 | result = wait4pid(childpid, &status, 0); | |
4307 | } while (result == -1 && errno == EINTR); | |
64ca3a65 | 4308 | #ifndef PERL_MICRO |
b1cf9e92 LT |
4309 | #ifdef HAS_SIGPROCMASK |
4310 | sigprocmask(SIG_SETMASK, &oldset, NULL); | |
4311 | #endif | |
eb160463 GS |
4312 | (void)rsignal_restore(SIGINT, &ihand); |
4313 | (void)rsignal_restore(SIGQUIT, &qhand); | |
4314 | #endif | |
37038d91 | 4315 | STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status); |
eb160463 GS |
4316 | do_execfree(); /* free any memory child malloced on fork */ |
4317 | SP = ORIGMARK; | |
4318 | if (did_pipes) { | |
4319 | int errkid; | |
bb7a0f54 MHM |
4320 | unsigned n = 0; |
4321 | SSize_t n1; | |
eb160463 GS |
4322 | |
4323 | while (n < sizeof(int)) { | |
4324 | n1 = PerlLIO_read(pp[0], | |
4325 | (void*)(((char*)&errkid)+n), | |
4326 | (sizeof(int)) - n); | |
4327 | if (n1 <= 0) | |
4328 | break; | |
4329 | n += n1; | |
4330 | } | |
4331 | PerlLIO_close(pp[0]); | |
4332 | if (n) { /* Error */ | |
4333 | if (n != sizeof(int)) | |
5637ef5b | 4334 | DIE(aTHX_ "panic: kid popen errno read, n=%u", n); |
eb160463 | 4335 | errno = errkid; /* Propagate errno from kid */ |
37038d91 | 4336 | STATUS_NATIVE_CHILD_SET(-1); |
eb160463 GS |
4337 | } |
4338 | } | |
b59aed67 | 4339 | XPUSHi(STATUS_CURRENT); |
eb160463 GS |
4340 | RETURN; |
4341 | } | |
21e89b5f | 4342 | #ifdef HAS_SIGPROCMASK |
b1cf9e92 LT |
4343 | sigprocmask(SIG_SETMASK, &oldset, NULL); |
4344 | #endif | |
eb160463 GS |
4345 | if (did_pipes) { |
4346 | PerlLIO_close(pp[0]); | |
d5a9bfb0 | 4347 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
375ed12a JH |
4348 | if (fcntl(pp[1], F_SETFD, FD_CLOEXEC) < 0) |
4349 | RETPUSHUNDEF; | |
d5a9bfb0 | 4350 | #endif |
eb160463 | 4351 | } |
e0a1f643 | 4352 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4353 | SV * const really = *++MARK; |
e0a1f643 JH |
4354 | value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes); |
4355 | } | |
4356 | else if (SP - MARK != 1) | |
a0714e2c | 4357 | value = (I32)do_aexec5(NULL, MARK, SP, pp[1], did_pipes); |
e0a1f643 | 4358 | else { |
8c074e2a | 4359 | value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes); |
e0a1f643 JH |
4360 | } |
4361 | PerlProc__exit(-1); | |
d5a9bfb0 | 4362 | } |
c3293030 | 4363 | #else /* ! FORK or VMS or OS/2 */ |
922b1888 GS |
4364 | PL_statusvalue = 0; |
4365 | result = 0; | |
911d147d | 4366 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4367 | SV * const really = *++MARK; |
9ec7171b | 4368 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS) |
54725af6 GS |
4369 | value = (I32)do_aspawn(really, MARK, SP); |
4370 | # else | |
c5be433b | 4371 | value = (I32)do_aspawn(really, (void **)MARK, (void **)SP); |
54725af6 | 4372 | # endif |
a0d0e21e | 4373 | } |
54725af6 | 4374 | else if (SP - MARK != 1) { |
9ec7171b | 4375 | # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS) |
a0714e2c | 4376 | value = (I32)do_aspawn(NULL, MARK, SP); |
54725af6 | 4377 | # else |
a0714e2c | 4378 | value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP); |
54725af6 GS |
4379 | # endif |
4380 | } | |
a0d0e21e | 4381 | else { |
8c074e2a | 4382 | value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4383 | } |
922b1888 GS |
4384 | if (PL_statusvalue == -1) /* hint that value must be returned as is */ |
4385 | result = 1; | |
2fbb330f | 4386 | STATUS_NATIVE_CHILD_SET(value); |
a0d0e21e LW |
4387 | do_execfree(); |
4388 | SP = ORIGMARK; | |
b59aed67 | 4389 | XPUSHi(result ? value : STATUS_CURRENT); |
9c12f1e5 RGS |
4390 | #endif /* !FORK or VMS or OS/2 */ |
4391 | #endif | |
a0d0e21e LW |
4392 | RETURN; |
4393 | } | |
4394 | ||
4395 | PP(pp_exec) | |
4396 | { | |
20b7effb | 4397 | dSP; dMARK; dORIGMARK; dTARGET; |
a0d0e21e LW |
4398 | I32 value; |
4399 | ||
284167a5 | 4400 | if (TAINTING_get) { |
bbd7eb8a RD |
4401 | TAINT_ENV(); |
4402 | while (++MARK <= SP) { | |
10516c54 | 4403 | (void)SvPV_nolen_const(*MARK); /* stringify for taint check */ |
284167a5 | 4404 | if (TAINT_get) |
bbd7eb8a RD |
4405 | break; |
4406 | } | |
4407 | MARK = ORIGMARK; | |
5a445156 | 4408 | TAINT_PROPER("exec"); |
bbd7eb8a | 4409 | } |
45bc9206 | 4410 | PERL_FLUSHALL_FOR_CHILD; |
533c011a | 4411 | if (PL_op->op_flags & OPf_STACKED) { |
0bcc34c2 | 4412 | SV * const really = *++MARK; |
a0d0e21e LW |
4413 | value = (I32)do_aexec(really, MARK, SP); |
4414 | } | |
4415 | else if (SP - MARK != 1) | |
4416 | #ifdef VMS | |
a0714e2c | 4417 | value = (I32)vms_do_aexec(NULL, MARK, SP); |
a0d0e21e | 4418 | #else |
a0714e2c | 4419 | value = (I32)do_aexec(NULL, MARK, SP); |
a0d0e21e LW |
4420 | #endif |
4421 | else { | |
a0d0e21e | 4422 | #ifdef VMS |
8c074e2a | 4423 | value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e | 4424 | #else |
5dd60a52 | 4425 | value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP))); |
a0d0e21e LW |
4426 | #endif |
4427 | } | |
146174a9 | 4428 | |
a0d0e21e | 4429 | SP = ORIGMARK; |
b59aed67 | 4430 | XPUSHi(value); |
a0d0e21e LW |
4431 | RETURN; |
4432 | } | |
4433 | ||
a0d0e21e LW |
4434 | PP(pp_getppid) |
4435 | { | |
4436 | #ifdef HAS_GETPPID | |
20b7effb | 4437 | dSP; dTARGET; |
a0d0e21e LW |
4438 | XPUSHi( getppid() ); |
4439 | RETURN; | |
4440 | #else | |
cea2e8a9 | 4441 | DIE(aTHX_ PL_no_func, "getppid"); |
a0d0e21e LW |
4442 | #endif |
4443 | } | |
4444 | ||
4445 | PP(pp_getpgrp) | |
4446 | { | |
4447 | #ifdef HAS_GETPGRP | |
20b7effb | 4448 | dSP; dTARGET; |
9853a804 | 4449 | Pid_t pgrp; |
8af20142 FC |
4450 | const Pid_t pid = |
4451 | (MAXARG < 1) ? 0 : TOPs ? SvIVx(POPs) : ((void)POPs, 0); | |
a0d0e21e | 4452 | |
c3293030 | 4453 | #ifdef BSD_GETPGRP |
9853a804 | 4454 | pgrp = (I32)BSD_GETPGRP(pid); |
a0d0e21e | 4455 | #else |
146174a9 | 4456 | if (pid != 0 && pid != PerlProc_getpid()) |
cea2e8a9 | 4457 | DIE(aTHX_ "POSIX getpgrp can't take an argument"); |
9853a804 | 4458 | pgrp = getpgrp(); |
a0d0e21e | 4459 | #endif |
9853a804 | 4460 | XPUSHi(pgrp); |
a0d0e21e LW |
4461 | RETURN; |
4462 | #else | |
56a94ef2 | 4463 | DIE(aTHX_ PL_no_func, "getpgrp"); |
a0d0e21e LW |
4464 | #endif |
4465 | } | |
4466 | ||
4467 | PP(pp_setpgrp) | |
4468 | { | |
4469 | #ifdef HAS_SETPGRP | |
20b7effb | 4470 | dSP; dTARGET; |
d8a83dd3 JH |
4471 | Pid_t pgrp; |
4472 | Pid_t pid; | |
92f2ac5f | 4473 | pgrp = MAXARG == 2 && (TOPs||POPs) ? POPi : 0; |
bae8cfc6 | 4474 | if (MAXARG > 0) pid = TOPs ? TOPi : 0; |
92f2ac5f | 4475 | else { |
a0d0e21e | 4476 | pid = 0; |
8ec05255 FC |
4477 | EXTEND(SP,1); |
4478 | SP++; | |
a0d0e21e | 4479 | } |
a0d0e21e LW |
4480 | |
4481 | TAINT_PROPER("setpgrp"); | |
c3293030 IZ |
4482 | #ifdef BSD_SETPGRP |
4483 | SETi( BSD_SETPGRP(pid, pgrp) >= 0 ); | |
a0d0e21e | 4484 | #else |
146174a9 CB |
4485 | if ((pgrp != 0 && pgrp != PerlProc_getpid()) |
4486 | || (pid != 0 && pid != PerlProc_getpid())) | |
4487 | { | |
4488 | DIE(aTHX_ "setpgrp can't take arguments"); | |
4489 | } | |
a0d0e21e LW |
4490 | SETi( setpgrp() >= 0 ); |
4491 | #endif /* USE_BSDPGRP */ | |
4492 | RETURN; | |
4493 | #else | |
56a94ef2 | 4494 | DIE(aTHX_ PL_no_func, "setpgrp"); |
a0d0e21e LW |
4495 | #endif |
4496 | } | |
4497 | ||
8b079db6 | 4498 | #if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || (__GLIBC__ > 2)) |
5baa2e4f RB |
4499 | # define PRIORITY_WHICH_T(which) (__priority_which_t)which |
4500 | #else | |
4501 | # define PRIORITY_WHICH_T(which) which | |
4502 | #endif | |
4503 | ||
a0d0e21e LW |
4504 | PP(pp_getpriority) |
4505 | { | |
a0d0e21e | 4506 | #ifdef HAS_GETPRIORITY |
20b7effb | 4507 | dSP; dTARGET; |
0bcc34c2 AL |
4508 | const int who = POPi; |
4509 | const int which = TOPi; | |
5baa2e4f | 4510 | SETi( getpriority(PRIORITY_WHICH_T(which), who) ); |
a0d0e21e LW |
4511 | RETURN; |
4512 | #else | |
56a94ef2 | 4513 | DIE(aTHX_ PL_no_func, "getpriority"); |
a0d0e21e LW |
4514 | #endif |
4515 | } | |
4516 | ||
4517 | PP(pp_setpriority) | |
4518 | { | |
a0d0e21e | 4519 | #ifdef HAS_SETPRIORITY |
20b7effb | 4520 | dSP; dTARGET; |
0bcc34c2 AL |
4521 | const int niceval = POPi; |
4522 | const int who = POPi; | |
4523 | const int which = TOPi; | |
a0d0e21e | 4524 | TAINT_PROPER("setpriority"); |
5baa2e4f | 4525 | SETi( setpriority(PRIORITY_WHICH_T(which), who, niceval) >= 0 ); |
a0d0e21e LW |
4526 | RETURN; |
4527 | #else | |
56a94ef2 | 4528 | DIE(aTHX_ PL_no_func, "setpriority"); |
a0d0e21e LW |
4529 | #endif |
4530 | } | |
4531 | ||
5baa2e4f RB |
4532 | #undef PRIORITY_WHICH_T |
4533 | ||
a0d0e21e LW |
4534 | /* Time calls. */ |
4535 | ||
4536 | PP(pp_time) | |
4537 | { | |
20b7effb | 4538 | dSP; dTARGET; |
cbdc8872 | 4539 | #ifdef BIG_TIME |
4608196e | 4540 | XPUSHn( time(NULL) ); |
cbdc8872 | 4541 | #else |
4608196e | 4542 | XPUSHi( time(NULL) ); |
cbdc8872 | 4543 | #endif |
a0d0e21e LW |
4544 | RETURN; |
4545 | } | |
4546 | ||
a0d0e21e LW |
4547 | PP(pp_tms) |
4548 | { | |
9cad6237 | 4549 | #ifdef HAS_TIMES |
39644a26 | 4550 | dSP; |
25983af4 | 4551 | struct tms timesbuf; |
a0d0e21e | 4552 | |
25983af4 NC |
4553 | EXTEND(SP, 4); |
4554 | (void)PerlProc_times(×buf); | |
4555 | ||
4556 | mPUSHn(((NV)timesbuf.tms_utime)/(NV)PL_clocktick); | |
82334630 | 4557 | if (GIMME_V == G_ARRAY) { |
25983af4 NC |
4558 | mPUSHn(((NV)timesbuf.tms_stime)/(NV)PL_clocktick); |
4559 | mPUSHn(((NV)timesbuf.tms_cutime)/(NV)PL_clocktick); | |
4560 | mPUSHn(((NV)timesbuf.tms_cstime)/(NV)PL_clocktick); | |
a0d0e21e LW |
4561 | } |
4562 | RETURN; | |
9cad6237 | 4563 | #else |
2f42fcb0 JH |
4564 | # ifdef PERL_MICRO |
4565 | dSP; | |
6e449a3a | 4566 | mPUSHn(0.0); |
2f42fcb0 | 4567 | EXTEND(SP, 4); |
82334630 | 4568 | if (GIMME_V == G_ARRAY) { |
6e449a3a MHM |
4569 | mPUSHn(0.0); |
4570 | mPUSHn(0.0); | |
4571 | mPUSHn(0.0); | |
2f42fcb0 JH |
4572 | } |
4573 | RETURN; | |
4574 | # else | |
9cad6237 | 4575 | DIE(aTHX_ "times not implemented"); |
2f42fcb0 | 4576 | # endif |
55497cff | 4577 | #endif /* HAS_TIMES */ |
a0d0e21e LW |
4578 | } |
4579 | ||
fc003d4b MS |
4580 | /* The 32 bit int year limits the times we can represent to these |
4581 | boundaries with a few days wiggle room to account for time zone | |
4582 | offsets | |
4583 | */ | |
4584 | /* Sat Jan 3 00:00:00 -2147481748 */ | |
4585 | #define TIME_LOWER_BOUND -67768100567755200.0 | |
4586 | /* Sun Dec 29 12:00:00 2147483647 */ | |
4587 | #define TIME_UPPER_BOUND 67767976233316800.0 | |
4588 | ||
b1c05ba5 DM |
4589 | |
4590 | /* also used for: pp_localtime() */ | |
4591 | ||
a0d0e21e LW |
4592 | PP(pp_gmtime) |
4593 | { | |
39644a26 | 4594 | dSP; |
a272e669 | 4595 | Time64_T when; |
806a119a MS |
4596 | struct TM tmbuf; |
4597 | struct TM *err; | |
a8cb0261 | 4598 | const char *opname = PL_op->op_type == OP_LOCALTIME ? "localtime" : "gmtime"; |
27da23d5 JH |
4599 | static const char * const dayname[] = |
4600 | {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
4601 | static const char * const monname[] = | |
4602 | {"Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
4603 | "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"}; | |
a0d0e21e | 4604 | |
0163043a | 4605 | if (MAXARG < 1 || (!TOPs && ((void)POPs, 1))) { |
a272e669 MS |
4606 | time_t now; |
4607 | (void)time(&now); | |
4608 | when = (Time64_T)now; | |
4609 | } | |
7315c673 | 4610 | else { |
7eb4f9b7 | 4611 | NV input = Perl_floor(POPn); |
2b9215fd | 4612 | const bool pl_isnan = Perl_isnan(input); |
8efababc | 4613 | when = (Time64_T)input; |
2b9215fd | 4614 | if (UNLIKELY(pl_isnan || when != input)) { |
dcbac5bb | 4615 | /* diag_listed_as: gmtime(%f) too large */ |
a2a5de95 | 4616 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), |
7eb4f9b7 | 4617 | "%s(%.0" NVff ") too large", opname, input); |
2b9215fd | 4618 | if (pl_isnan) { |
d8bd3d82 FC |
4619 | err = NULL; |
4620 | goto failed; | |
4621 | } | |
7315c673 MS |
4622 | } |
4623 | } | |
a0d0e21e | 4624 | |
fc003d4b | 4625 | if ( TIME_LOWER_BOUND > when ) { |
dcbac5bb | 4626 | /* diag_listed_as: gmtime(%f) too small */ |
fc003d4b | 4627 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), |
7eb4f9b7 | 4628 | "%s(%.0" NVff ") too small", opname, when); |
fc003d4b MS |
4629 | err = NULL; |
4630 | } | |
4631 | else if( when > TIME_UPPER_BOUND ) { | |
dcbac5bb | 4632 | /* diag_listed_as: gmtime(%f) too small */ |
fc003d4b | 4633 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), |
7eb4f9b7 | 4634 | "%s(%.0" NVff ") too large", opname, when); |
fc003d4b MS |
4635 | err = NULL; |
4636 | } | |
4637 | else { | |
4638 | if (PL_op->op_type == OP_LOCALTIME) | |
4639 | err = S_localtime64_r(&when, &tmbuf); | |
4640 | else | |
4641 | err = S_gmtime64_r(&when, &tmbuf); | |
4642 | } | |
a0d0e21e | 4643 | |
a2a5de95 | 4644 | if (err == NULL) { |
b35b96b6 | 4645 | /* diag_listed_as: gmtime(%f) failed */ |
8efababc | 4646 | /* XXX %lld broken for quads */ |
d8bd3d82 | 4647 | failed: |
a2a5de95 | 4648 | Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW), |
7eb4f9b7 | 4649 | "%s(%.0" NVff ") failed", opname, when); |
5b6366c2 | 4650 | } |
a0d0e21e | 4651 | |
82334630 | 4652 | if (GIMME_V != G_ARRAY) { /* scalar context */ |
9a5ff6d9 | 4653 | EXTEND(SP, 1); |
a272e669 | 4654 | if (err == NULL) |
a0d0e21e | 4655 | RETPUSHUNDEF; |
b35b96b6 | 4656 | else { |
d0a10fd8 FC |
4657 | dTARGET; |
4658 | PUSHs(TARG); | |
4659 | Perl_sv_setpvf_mg(aTHX_ TARG, "%s %s %2d %02d:%02d:%02d %"IVdf, | |
b35b96b6 JH |
4660 | dayname[tmbuf.tm_wday], |
4661 | monname[tmbuf.tm_mon], | |
4662 | tmbuf.tm_mday, | |
4663 | tmbuf.tm_hour, | |
4664 | tmbuf.tm_min, | |
4665 | tmbuf.tm_sec, | |
d0a10fd8 | 4666 | (IV)tmbuf.tm_year + 1900); |
b35b96b6 | 4667 | } |
a0d0e21e | 4668 | } |
a272e669 MS |
4669 | else { /* list context */ |
4670 | if ( err == NULL ) | |
4671 | RETURN; | |
4672 | ||
9a5ff6d9 AB |
4673 | EXTEND(SP, 9); |
4674 | EXTEND_MORTAL(9); | |
a272e669 MS |
4675 | mPUSHi(tmbuf.tm_sec); |
4676 | mPUSHi(tmbuf.tm_min); | |
4677 | mPUSHi(tmbuf.tm_hour); | |
4678 | mPUSHi(tmbuf.tm_mday); | |
4679 | mPUSHi(tmbuf.tm_mon); | |
7315c673 | 4680 | mPUSHn(tmbuf.tm_year); |
a272e669 MS |
4681 | mPUSHi(tmbuf.tm_wday); |
4682 | mPUSHi(tmbuf.tm_yday); | |
4683 | mPUSHi(tmbuf.tm_isdst); | |
a0d0e21e LW |
4684 | } |
4685 | RETURN; | |
4686 | } | |
4687 | ||
4688 | PP(pp_alarm) | |
4689 | { | |
9cad6237 | 4690 | #ifdef HAS_ALARM |
20b7effb | 4691 | dSP; dTARGET; |
a0d0e21e | 4692 | int anum; |
a0d0e21e LW |
4693 | anum = POPi; |
4694 | anum = alarm((unsigned int)anum); | |
a0d0e21e LW |
4695 | if (anum < 0) |
4696 | RETPUSHUNDEF; | |
c6419e06 | 4697 | PUSHi(anum); |
a0d0e21e LW |
4698 | RETURN; |
4699 | #else | |
0322a713 | 4700 | DIE(aTHX_ PL_no_func, "alarm"); |
a0d0e21e LW |
4701 | #endif |
4702 | } | |
4703 | ||
4704 | PP(pp_sleep) | |
4705 | { | |
20b7effb | 4706 | dSP; dTARGET; |
a0d0e21e LW |
4707 | I32 duration; |
4708 | Time_t lasttime; | |
4709 | Time_t when; | |
4710 | ||
4711 | (void)time(&lasttime); | |
0da4a804 | 4712 | if (MAXARG < 1 || (!TOPs && !POPs)) |
76e3520e | 4713 | PerlProc_pause(); |
a0d0e21e LW |
4714 | else { |
4715 | duration = POPi; | |
76e3520e | 4716 | PerlProc_sleep((unsigned int)duration); |
a0d0e21e LW |
4717 | } |
4718 | (void)time(&when); | |
4719 | XPUSHi(when - lasttime); | |
4720 | RETURN; | |
4721 | } | |
4722 | ||
4723 | /* Shared memory. */ | |
c9f7ac20 | 4724 | /* Merged with some message passing. */ |
a0d0e21e | 4725 | |
b1c05ba5 DM |
4726 | /* also used for: pp_msgrcv() pp_msgsnd() pp_semop() pp_shmread() */ |
4727 | ||
a0d0e21e LW |
4728 | PP(pp_shmwrite) |
4729 | { | |
4730 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
20b7effb | 4731 | dSP; dMARK; dTARGET; |
c9f7ac20 NC |
4732 | const int op_type = PL_op->op_type; |
4733 | I32 value; | |
a0d0e21e | 4734 | |
c9f7ac20 NC |
4735 | switch (op_type) { |
4736 | case OP_MSGSND: | |
4737 | value = (I32)(do_msgsnd(MARK, SP) >= 0); | |
4738 | break; | |
4739 | case OP_MSGRCV: | |
4740 | value = (I32)(do_msgrcv(MARK, SP) >= 0); | |
4741 | break; | |
ca563b4e NC |
4742 | case OP_SEMOP: |
4743 | value = (I32)(do_semop(MARK, SP) >= 0); | |
4744 | break; | |
c9f7ac20 NC |
4745 | default: |
4746 | value = (I32)(do_shmio(op_type, MARK, SP) >= 0); | |
4747 | break; | |
4748 | } | |
a0d0e21e | 4749 | |
a0d0e21e LW |
4750 | SP = MARK; |
4751 | PUSHi(value); | |
4752 | RETURN; | |
4753 | #else | |
897d3989 | 4754 | return Perl_pp_semget(aTHX); |
a0d0e21e LW |
4755 | #endif |
4756 | } | |
4757 | ||
4758 | /* Semaphores. */ | |
4759 | ||
b1c05ba5 DM |
4760 | /* also used for: pp_msgget() pp_shmget() */ |
4761 | ||
a0d0e21e LW |
4762 | PP(pp_semget) |
4763 | { | |
4764 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
20b7effb | 4765 | dSP; dMARK; dTARGET; |
0bcc34c2 | 4766 | const int anum = do_ipcget(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4767 | SP = MARK; |
4768 | if (anum == -1) | |
4769 | RETPUSHUNDEF; | |
4770 | PUSHi(anum); | |
4771 | RETURN; | |
4772 | #else | |
cea2e8a9 | 4773 | DIE(aTHX_ "System V IPC is not implemented on this machine"); |
a0d0e21e LW |
4774 | #endif |
4775 | } | |
4776 | ||
b1c05ba5 DM |
4777 | /* also used for: pp_msgctl() pp_shmctl() */ |
4778 | ||
a0d0e21e LW |
4779 | PP(pp_semctl) |
4780 | { | |
4781 | #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM) | |
20b7effb | 4782 | dSP; dMARK; dTARGET; |
0bcc34c2 | 4783 | const int anum = do_ipcctl(PL_op->op_type, MARK, SP); |
a0d0e21e LW |
4784 | SP = MARK; |
4785 | if (anum == -1) | |
fa367bcb | 4786 | RETPUSHUNDEF; |
a0d0e21e LW |
4787 | if (anum != 0) { |
4788 | PUSHi(anum); | |
4789 | } | |
4790 | else { | |
8903cb82 | 4791 | PUSHp(zero_but_true, ZBTLEN); |
a0d0e21e LW |
4792 | } |
4793 | RETURN; | |
4794 | #else | |
897d3989 | 4795 | return Perl_pp_semget(aTHX); |
a0d0e21e LW |
4796 | #endif |
4797 | } | |
4798 | ||
5cdc4e88 NC |
4799 | /* I can't const this further without getting warnings about the types of |
4800 | various arrays passed in from structures. */ | |
4801 | static SV * | |
4802 | S_space_join_names_mortal(pTHX_ char *const *array) | |
4803 | { | |
7c58897d | 4804 | SV *target; |
5cdc4e88 | 4805 | |
7918f24d NC |
4806 | PERL_ARGS_ASSERT_SPACE_JOIN_NAMES_MORTAL; |
4807 | ||
5cdc4e88 | 4808 | if (array && *array) { |
84bafc02 | 4809 | target = newSVpvs_flags("", SVs_TEMP); |
5cdc4e88 NC |
4810 | while (1) { |
4811 | sv_catpv(target, *array); | |
4812 | if (!*++array) | |
4813 | break; | |
4814 | sv_catpvs(target, " "); | |
4815 | } | |
7c58897d NC |
4816 | } else { |
4817 | target = sv_mortalcopy(&PL_sv_no); | |
5cdc4e88 NC |
4818 | } |
4819 | return target; | |
4820 | } | |
4821 | ||
a0d0e21e LW |
4822 | /* Get system info. */ |
4823 | ||
b1c05ba5 DM |
4824 | /* also used for: pp_ghbyaddr() pp_ghbyname() */ |
4825 | ||
a0d0e21e LW |
4826 | PP(pp_ghostent) |
4827 | { | |
693762b4 | 4828 | #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT) |
20b7effb | 4829 | dSP; |
533c011a | 4830 | I32 which = PL_op->op_type; |
eb578fdb KW |
4831 | char **elem; |
4832 | SV *sv; | |
dc45a647 | 4833 | #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4834 | struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int); |
4835 | struct hostent *gethostbyname(Netdb_name_t); | |
4836 | struct hostent *gethostent(void); | |
a0d0e21e | 4837 | #endif |
07822e36 | 4838 | struct hostent *hent = NULL; |
a0d0e21e LW |
4839 | unsigned long len; |
4840 | ||
4841 | EXTEND(SP, 10); | |
edd309b7 | 4842 | if (which == OP_GHBYNAME) { |
dc45a647 | 4843 | #ifdef HAS_GETHOSTBYNAME |
0bcc34c2 | 4844 | const char* const name = POPpbytex; |
edd309b7 | 4845 | hent = PerlSock_gethostbyname(name); |
dc45a647 | 4846 | #else |
cea2e8a9 | 4847 | DIE(aTHX_ PL_no_sock_func, "gethostbyname"); |
dc45a647 | 4848 | #endif |
edd309b7 | 4849 | } |
a0d0e21e | 4850 | else if (which == OP_GHBYADDR) { |
dc45a647 | 4851 | #ifdef HAS_GETHOSTBYADDR |
0bcc34c2 AL |
4852 | const int addrtype = POPi; |
4853 | SV * const addrsv = POPs; | |
a0d0e21e | 4854 | STRLEN addrlen; |
48fc4736 | 4855 | const char *addr = (char *)SvPVbyte(addrsv, addrlen); |
a0d0e21e | 4856 | |
48fc4736 | 4857 | hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype); |
dc45a647 | 4858 | #else |
cea2e8a9 | 4859 | DIE(aTHX_ PL_no_sock_func, "gethostbyaddr"); |
dc45a647 | 4860 | #endif |
a0d0e21e LW |
4861 | } |
4862 | else | |
4863 | #ifdef HAS_GETHOSTENT | |
6ad3d225 | 4864 | hent = PerlSock_gethostent(); |
a0d0e21e | 4865 | #else |
cea2e8a9 | 4866 | DIE(aTHX_ PL_no_sock_func, "gethostent"); |
a0d0e21e LW |
4867 | #endif |
4868 | ||
4869 | #ifdef HOST_NOT_FOUND | |
10bc17b6 JH |
4870 | if (!hent) { |
4871 | #ifdef USE_REENTRANT_API | |
4872 | # ifdef USE_GETHOSTENT_ERRNO | |
4873 | h_errno = PL_reentrant_buffer->_gethostent_errno; | |
4874 | # endif | |
4875 | #endif | |
37038d91 | 4876 | STATUS_UNIX_SET(h_errno); |
10bc17b6 | 4877 | } |
a0d0e21e LW |
4878 | #endif |
4879 | ||
82334630 | 4880 | if (GIMME_V != G_ARRAY) { |
a0d0e21e LW |
4881 | PUSHs(sv = sv_newmortal()); |
4882 | if (hent) { | |
4883 | if (which == OP_GHBYNAME) { | |
fd0af264 | 4884 | if (hent->h_addr) |
4885 | sv_setpvn(sv, hent->h_addr, hent->h_length); | |
a0d0e21e LW |
4886 | } |
4887 | else | |
4888 | sv_setpv(sv, (char*)hent->h_name); | |
4889 | } | |
4890 | RETURN; | |
4891 | } | |
4892 | ||
4893 | if (hent) { | |
6e449a3a | 4894 | mPUSHs(newSVpv((char*)hent->h_name, 0)); |
931e0695 | 4895 | PUSHs(space_join_names_mortal(hent->h_aliases)); |
6e449a3a | 4896 | mPUSHi(hent->h_addrtype); |
a0d0e21e | 4897 | len = hent->h_length; |
6e449a3a | 4898 | mPUSHi(len); |
a0d0e21e LW |
4899 | #ifdef h_addr |
4900 | for (elem = hent->h_addr_list; elem && *elem; elem++) { | |
6e449a3a | 4901 | mXPUSHp(*elem, len); |
a0d0e21e LW |
4902 | } |
4903 | #else | |
fd0af264 | 4904 | if (hent->h_addr) |
22f1178f | 4905 | mPUSHp(hent->h_addr, len); |
7c58897d NC |
4906 | else |
4907 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a0d0e21e LW |
4908 | #endif /* h_addr */ |
4909 | } | |
4910 | RETURN; | |
4911 | #else | |
7844cc62 | 4912 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
4913 | #endif |
4914 | } | |
4915 | ||
b1c05ba5 DM |
4916 | /* also used for: pp_gnbyaddr() pp_gnbyname() */ |
4917 | ||
a0d0e21e LW |
4918 | PP(pp_gnetent) |
4919 | { | |
693762b4 | 4920 | #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT) |
20b7effb | 4921 | dSP; |
533c011a | 4922 | I32 which = PL_op->op_type; |
eb578fdb | 4923 | SV *sv; |
dc45a647 | 4924 | #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
4925 | struct netent *getnetbyaddr(Netdb_net_t, int); |
4926 | struct netent *getnetbyname(Netdb_name_t); | |
4927 | struct netent *getnetent(void); | |
8ac85365 | 4928 | #endif |
a0d0e21e LW |
4929 | struct netent *nent; |
4930 | ||
edd309b7 | 4931 | if (which == OP_GNBYNAME){ |
dc45a647 | 4932 | #ifdef HAS_GETNETBYNAME |
0bcc34c2 | 4933 | const char * const name = POPpbytex; |
edd309b7 | 4934 | nent = PerlSock_getnetbyname(name); |
dc45a647 | 4935 | #else |
cea2e8a9 | 4936 | DIE(aTHX_ PL_no_sock_func, "getnetbyname"); |
dc45a647 | 4937 | #endif |
edd309b7 | 4938 | } |
a0d0e21e | 4939 | else if (which == OP_GNBYADDR) { |
dc45a647 | 4940 | #ifdef HAS_GETNETBYADDR |
0bcc34c2 AL |
4941 | const int addrtype = POPi; |
4942 | const Netdb_net_t addr = (Netdb_net_t) (U32)POPu; | |
76e3520e | 4943 | nent = PerlSock_getnetbyaddr(addr, addrtype); |
dc45a647 | 4944 | #else |
cea2e8a9 | 4945 | DIE(aTHX_ PL_no_sock_func, "getnetbyaddr"); |
dc45a647 | 4946 | #endif |
a0d0e21e LW |
4947 | } |
4948 | else | |
dc45a647 | 4949 | #ifdef HAS_GETNETENT |
76e3520e | 4950 | nent = PerlSock_getnetent(); |
dc45a647 | 4951 | #else |
cea2e8a9 | 4952 | DIE(aTHX_ PL_no_sock_func, "getnetent"); |
dc45a647 | 4953 | #endif |
a0d0e21e | 4954 | |
10bc17b6 JH |
4955 | #ifdef HOST_NOT_FOUND |
4956 | if (!nent) { | |
4957 | #ifdef USE_REENTRANT_API | |
4958 | # ifdef USE_GETNETENT_ERRNO | |
4959 | h_errno = PL_reentrant_buffer->_getnetent_errno; | |
4960 | # endif | |
4961 | #endif | |
37038d91 | 4962 | STATUS_UNIX_SET(h_errno); |
10bc17b6 JH |
4963 | } |
4964 | #endif | |
4965 | ||
a0d0e21e | 4966 | EXTEND(SP, 4); |
82334630 | 4967 | if (GIMME_V != G_ARRAY) { |
a0d0e21e LW |
4968 | PUSHs(sv = sv_newmortal()); |
4969 | if (nent) { | |
4970 | if (which == OP_GNBYNAME) | |
1e422769 | 4971 | sv_setiv(sv, (IV)nent->n_net); |
a0d0e21e LW |
4972 | else |
4973 | sv_setpv(sv, nent->n_name); | |
4974 | } | |
4975 | RETURN; | |
4976 | } | |
4977 | ||
4978 | if (nent) { | |
6e449a3a | 4979 | mPUSHs(newSVpv(nent->n_name, 0)); |
931e0695 | 4980 | PUSHs(space_join_names_mortal(nent->n_aliases)); |
6e449a3a MHM |
4981 | mPUSHi(nent->n_addrtype); |
4982 | mPUSHi(nent->n_net); | |
a0d0e21e LW |
4983 | } |
4984 | ||
4985 | RETURN; | |
4986 | #else | |
7844cc62 | 4987 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
4988 | #endif |
4989 | } | |
4990 | ||
b1c05ba5 DM |
4991 | |
4992 | /* also used for: pp_gpbyname() pp_gpbynumber() */ | |
4993 | ||
a0d0e21e LW |
4994 | PP(pp_gprotoent) |
4995 | { | |
693762b4 | 4996 | #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT) |
20b7effb | 4997 | dSP; |
533c011a | 4998 | I32 which = PL_op->op_type; |
eb578fdb | 4999 | SV *sv; |
dc45a647 | 5000 | #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
5001 | struct protoent *getprotobyname(Netdb_name_t); |
5002 | struct protoent *getprotobynumber(int); | |
5003 | struct protoent *getprotoent(void); | |
8ac85365 | 5004 | #endif |
a0d0e21e LW |
5005 | struct protoent *pent; |
5006 | ||
edd309b7 | 5007 | if (which == OP_GPBYNAME) { |
e5c9fcd0 | 5008 | #ifdef HAS_GETPROTOBYNAME |
0bcc34c2 | 5009 | const char* const name = POPpbytex; |
edd309b7 | 5010 | pent = PerlSock_getprotobyname(name); |
e5c9fcd0 | 5011 | #else |
cea2e8a9 | 5012 | DIE(aTHX_ PL_no_sock_func, "getprotobyname"); |
e5c9fcd0 | 5013 | #endif |
edd309b7 JH |
5014 | } |
5015 | else if (which == OP_GPBYNUMBER) { | |
e5c9fcd0 | 5016 | #ifdef HAS_GETPROTOBYNUMBER |
0bcc34c2 | 5017 | const int number = POPi; |
edd309b7 | 5018 | pent = PerlSock_getprotobynumber(number); |
e5c9fcd0 | 5019 | #else |
edd309b7 | 5020 | DIE(aTHX_ PL_no_sock_func, "getprotobynumber"); |
e5c9fcd0 | 5021 | #endif |
edd309b7 | 5022 | } |
a0d0e21e | 5023 | else |
e5c9fcd0 | 5024 | #ifdef HAS_GETPROTOENT |
6ad3d225 | 5025 | pent = PerlSock_getprotoent(); |
e5c9fcd0 | 5026 | #else |
cea2e8a9 | 5027 | DIE(aTHX_ PL_no_sock_func, "getprotoent"); |
e5c9fcd0 | 5028 | #endif |
a0d0e21e LW |
5029 | |
5030 | EXTEND(SP, 3); | |
82334630 | 5031 | if (GIMME_V != G_ARRAY) { |
a0d0e21e LW |
5032 | PUSHs(sv = sv_newmortal()); |
5033 | if (pent) { | |
5034 | if (which == OP_GPBYNAME) | |
1e422769 | 5035 | sv_setiv(sv, (IV)pent->p_proto); |
a0d0e21e LW |
5036 | else |
5037 | sv_setpv(sv, pent->p_name); | |
5038 | } | |
5039 | RETURN; | |
5040 | } | |
5041 | ||
5042 | if (pent) { | |
6e449a3a | 5043 | mPUSHs(newSVpv(pent->p_name, 0)); |
931e0695 | 5044 | PUSHs(space_join_names_mortal(pent->p_aliases)); |
6e449a3a | 5045 | mPUSHi(pent->p_proto); |
a0d0e21e LW |
5046 | } |
5047 | ||
5048 | RETURN; | |
5049 | #else | |
7844cc62 | 5050 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5051 | #endif |
5052 | } | |
5053 | ||
b1c05ba5 DM |
5054 | |
5055 | /* also used for: pp_gsbyname() pp_gsbyport() */ | |
5056 | ||
a0d0e21e LW |
5057 | PP(pp_gservent) |
5058 | { | |
693762b4 | 5059 | #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT) |
20b7effb | 5060 | dSP; |
533c011a | 5061 | I32 which = PL_op->op_type; |
eb578fdb | 5062 | SV *sv; |
dc45a647 | 5063 | #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */ |
1d88b533 JH |
5064 | struct servent *getservbyname(Netdb_name_t, Netdb_name_t); |
5065 | struct servent *getservbyport(int, Netdb_name_t); | |
5066 | struct servent *getservent(void); | |
8ac85365 | 5067 | #endif |
a0d0e21e LW |
5068 | struct servent *sent; |
5069 | ||
5070 | if (which == OP_GSBYNAME) { | |
dc45a647 | 5071 | #ifdef HAS_GETSERVBYNAME |
0bcc34c2 AL |
5072 | const char * const proto = POPpbytex; |
5073 | const char * const name = POPpbytex; | |
bd61b366 | 5074 | sent = PerlSock_getservbyname(name, (proto && !*proto) ? NULL : proto); |
dc45a647 | 5075 | #else |
cea2e8a9 | 5076 | DIE(aTHX_ PL_no_sock_func, "getservbyname"); |
dc45a647 | 5077 | #endif |
a0d0e21e LW |
5078 | } |
5079 | else if (which == OP_GSBYPORT) { | |
dc45a647 | 5080 | #ifdef HAS_GETSERVBYPORT |
0bcc34c2 | 5081 | const char * const proto = POPpbytex; |
eb160463 | 5082 | unsigned short port = (unsigned short)POPu; |
6ad3d225 | 5083 | port = PerlSock_htons(port); |
bd61b366 | 5084 | sent = PerlSock_getservbyport(port, (proto && !*proto) ? NULL : proto); |
dc45a647 | 5085 | #else |
cea2e8a9 | 5086 | DIE(aTHX_ PL_no_sock_func, "getservbyport"); |
dc45a647 | 5087 | #endif |
a0d0e21e LW |
5088 | } |
5089 | else | |
e5c9fcd0 | 5090 | #ifdef HAS_GETSERVENT |
6ad3d225 | 5091 | sent = PerlSock_getservent(); |
e5c9fcd0 | 5092 | #else |
cea2e8a9 | 5093 | DIE(aTHX_ PL_no_sock_func, "getservent"); |
e5c9fcd0 | 5094 | #endif |
a0d0e21e LW |
5095 | |
5096 | EXTEND(SP, 4); | |
82334630 | 5097 | if (GIMME_V != G_ARRAY) { |
a0d0e21e LW |
5098 | PUSHs(sv = sv_newmortal()); |
5099 | if (sent) { | |
5100 | if (which == OP_GSBYNAME) { | |
6ad3d225 | 5101 | sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port)); |
a0d0e21e LW |
5102 | } |
5103 | else | |
5104 | sv_setpv(sv, sent->s_name); | |
5105 | } | |
5106 | RETURN; | |
5107 | } | |
5108 | ||
5109 | if (sent) { | |
6e449a3a | 5110 | mPUSHs(newSVpv(sent->s_name, 0)); |
931e0695 | 5111 | PUSHs(space_join_names_mortal(sent->s_aliases)); |
6e449a3a | 5112 | mPUSHi(PerlSock_ntohs(sent->s_port)); |
6e449a3a | 5113 | mPUSHs(newSVpv(sent->s_proto, 0)); |
a0d0e21e LW |
5114 | } |
5115 | ||
5116 | RETURN; | |
5117 | #else | |
7844cc62 | 5118 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5119 | #endif |
5120 | } | |
5121 | ||
b1c05ba5 DM |
5122 | |
5123 | /* also used for: pp_snetent() pp_sprotoent() pp_sservent() */ | |
5124 | ||
a0d0e21e LW |
5125 | PP(pp_shostent) |
5126 | { | |
20b7effb | 5127 | dSP; |
396166e1 NC |
5128 | const int stayopen = TOPi; |
5129 | switch(PL_op->op_type) { | |
5130 | case OP_SHOSTENT: | |
5131 | #ifdef HAS_SETHOSTENT | |
5132 | PerlSock_sethostent(stayopen); | |
a0d0e21e | 5133 | #else |
396166e1 | 5134 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5135 | #endif |
396166e1 | 5136 | break; |
693762b4 | 5137 | #ifdef HAS_SETNETENT |
396166e1 NC |
5138 | case OP_SNETENT: |
5139 | PerlSock_setnetent(stayopen); | |
a0d0e21e | 5140 | #else |
396166e1 | 5141 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5142 | #endif |
396166e1 NC |
5143 | break; |
5144 | case OP_SPROTOENT: | |
693762b4 | 5145 | #ifdef HAS_SETPROTOENT |
396166e1 | 5146 | PerlSock_setprotoent(stayopen); |
a0d0e21e | 5147 | #else |
396166e1 | 5148 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5149 | #endif |
396166e1 NC |
5150 | break; |
5151 | case OP_SSERVENT: | |
693762b4 | 5152 | #ifdef HAS_SETSERVENT |
396166e1 | 5153 | PerlSock_setservent(stayopen); |
a0d0e21e | 5154 | #else |
396166e1 | 5155 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5156 | #endif |
396166e1 NC |
5157 | break; |
5158 | } | |
5159 | RETSETYES; | |
a0d0e21e LW |
5160 | } |
5161 | ||
b1c05ba5 DM |
5162 | |
5163 | /* also used for: pp_egrent() pp_enetent() pp_eprotoent() pp_epwent() | |
5164 | * pp_eservent() pp_sgrent() pp_spwent() */ | |
5165 | ||
a0d0e21e LW |
5166 | PP(pp_ehostent) |
5167 | { | |
20b7effb | 5168 | dSP; |
d8ef1fcd NC |
5169 | switch(PL_op->op_type) { |
5170 | case OP_EHOSTENT: | |
5171 | #ifdef HAS_ENDHOSTENT | |
5172 | PerlSock_endhostent(); | |
a0d0e21e | 5173 | #else |
d8ef1fcd | 5174 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5175 | #endif |
d8ef1fcd NC |
5176 | break; |
5177 | case OP_ENETENT: | |
693762b4 | 5178 | #ifdef HAS_ENDNETENT |
d8ef1fcd | 5179 | PerlSock_endnetent(); |
a0d0e21e | 5180 | #else |
d8ef1fcd | 5181 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5182 | #endif |
d8ef1fcd NC |
5183 | break; |
5184 | case OP_EPROTOENT: | |
693762b4 | 5185 | #ifdef HAS_ENDPROTOENT |
d8ef1fcd | 5186 | PerlSock_endprotoent(); |
a0d0e21e | 5187 | #else |
d8ef1fcd | 5188 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5189 | #endif |
d8ef1fcd NC |
5190 | break; |
5191 | case OP_ESERVENT: | |
693762b4 | 5192 | #ifdef HAS_ENDSERVENT |
d8ef1fcd | 5193 | PerlSock_endservent(); |
a0d0e21e | 5194 | #else |
d8ef1fcd | 5195 | DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e | 5196 | #endif |
d8ef1fcd | 5197 | break; |
720d5dbf NC |
5198 | case OP_SGRENT: |
5199 | #if defined(HAS_GROUP) && defined(HAS_SETGRENT) | |
5200 | setgrent(); | |
5201 | #else | |
5202 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5203 | #endif | |
5204 | break; | |
5205 | case OP_EGRENT: | |
5206 | #if defined(HAS_GROUP) && defined(HAS_ENDGRENT) | |
5207 | endgrent(); | |
5208 | #else | |
5209 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5210 | #endif | |
5211 | break; | |
5212 | case OP_SPWENT: | |
5213 | #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) | |
5214 | setpwent(); | |
5215 | #else | |
5216 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5217 | #endif | |
5218 | break; | |
5219 | case OP_EPWENT: | |
5220 | #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT) | |
5221 | endpwent(); | |
5222 | #else | |
5223 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); | |
5224 | #endif | |
5225 | break; | |
d8ef1fcd NC |
5226 | } |
5227 | EXTEND(SP,1); | |
5228 | RETPUSHYES; | |
a0d0e21e LW |
5229 | } |
5230 | ||
b1c05ba5 DM |
5231 | |
5232 | /* also used for: pp_gpwnam() pp_gpwuid() */ | |
5233 | ||
a0d0e21e LW |
5234 | PP(pp_gpwent) |
5235 | { | |
0994c4d0 | 5236 | #ifdef HAS_PASSWD |
20b7effb | 5237 | dSP; |
533c011a | 5238 | I32 which = PL_op->op_type; |
eb578fdb | 5239 | SV *sv; |
e3aefe8d | 5240 | struct passwd *pwent = NULL; |
301e8125 | 5241 | /* |
bcf53261 JH |
5242 | * We currently support only the SysV getsp* shadow password interface. |
5243 | * The interface is declared in <shadow.h> and often one needs to link | |
5244 | * with -lsecurity or some such. | |
5245 | * This interface is used at least by Solaris, HP-UX, IRIX, and Linux. | |
5246 | * (and SCO?) | |
5247 | * | |
5248 | * AIX getpwnam() is clever enough to return the encrypted password | |
5249 | * only if the caller (euid?) is root. | |
5250 | * | |
e549f1c5 | 5251 | * There are at least three other shadow password APIs. Many platforms |
bcf53261 JH |
5252 | * seem to contain more than one interface for accessing the shadow |
5253 | * password databases, possibly for compatibility reasons. | |
3813c136 | 5254 | * The getsp*() is by far he simplest one, the other two interfaces |
bcf53261 JH |
5255 | * are much more complicated, but also very similar to each other. |
5256 | * | |
5257 | * <sys/types.h> | |
5258 | * <sys/security.h> | |
5259 | * <prot.h> | |
5260 | * struct pr_passwd *getprpw*(); | |
5261 | * The password is in | |
3813c136 JH |
5262 | * char getprpw*(...).ufld.fd_encrypt[] |
5263 | * Mention HAS_GETPRPWNAM here so that Configure probes for it. | |
bcf53261 JH |
5264 | * |
5265 | * <sys/types.h> | |
5266 | * <sys/security.h> | |
5267 | * <prot.h> | |
5268 | * struct es_passwd *getespw*(); | |
5269 | * The password is in | |
5270 | * char *(getespw*(...).ufld.fd_encrypt) | |
3813c136 | 5271 | * Mention HAS_GETESPWNAM here so that Configure probes for it. |
bcf53261 | 5272 | * |
e1920a95 | 5273 | * <userpw.h> (AIX) |
e549f1c5 JH |
5274 | * struct userpw *getuserpw(); |
5275 | * The password is in | |
5276 | * char *(getuserpw(...)).spw_upw_passwd | |
5277 | * (but the de facto standard getpwnam() should work okay) | |
5278 | * | |
3813c136 | 5279 | * Mention I_PROT here so that Configure probes for it. |
bcf53261 JH |
5280 | * |
5281 | * In HP-UX for getprpw*() the manual page claims that one should include | |
5282 | * <hpsecurity.h> instead of <sys/security.h>, but that is not needed | |
5283 | * if one includes <shadow.h> as that includes <hpsecurity.h>, | |
5284 | * and pp_sys.c already includes <shadow.h> if there is such. | |
3813c136 JH |
5285 | * |
5286 | * Note that <sys/security.h> is already probed for, but currently | |
5287 | * it is only included in special cases. | |
301e8125 | 5288 | * |
bcf53261 JH |
5289 | * In Digital UNIX/Tru64 if using the getespw*() (which seems to be |
5290 | * be preferred interface, even though also the getprpw*() interface | |
5291 | * is available) one needs to link with -lsecurity -ldb -laud -lm. | |
3813c136 JH |
5292 | * One also needs to call set_auth_parameters() in main() before |
5293 | * doing anything else, whether one is using getespw*() or getprpw*(). | |
5294 | * | |
5295 | * Note that accessing the shadow databases can be magnitudes | |
5296 | * slower than accessing the standard databases. | |
bcf53261 JH |
5297 | * |
5298 | * --jhi | |
5299 | */ | |
a0d0e21e | 5300 | |
9e5f0c48 JH |
5301 | # if defined(__CYGWIN__) && defined(USE_REENTRANT_API) |
5302 | /* Cygwin 1.5.3-1 has buggy getpwnam_r() and getpwuid_r(): | |
5303 | * the pw_comment is left uninitialized. */ | |
5304 | PL_reentrant_buffer->_pwent_struct.pw_comment = NULL; | |
5305 | # endif | |
5306 | ||
e3aefe8d JH |
5307 | switch (which) { |
5308 | case OP_GPWNAM: | |
edd309b7 | 5309 | { |
0bcc34c2 | 5310 | const char* const name = POPpbytex; |
edd309b7 JH |
5311 | pwent = getpwnam(name); |
5312 | } | |
5313 | break; | |
e3aefe8d | 5314 | case OP_GPWUID: |
edd309b7 JH |
5315 | { |
5316 | Uid_t uid = POPi; | |
5317 | pwent = getpwuid(uid); | |
5318 | } | |
e3aefe8d JH |
5319 | break; |
5320 | case OP_GPWENT: | |
1883634f | 5321 | # ifdef HAS_GETPWENT |
e3aefe8d | 5322 | pwent = getpwent(); |
faea9016 IRC |
5323 | #ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */ |
5324 | if (pwent) pwent = getpwnam(pwent->pw_name); | |
5325 | #endif | |
1883634f | 5326 | # else |
a45d1c96 | 5327 | DIE(aTHX_ PL_no_func, "getpwent"); |
1883634f | 5328 | # endif |
e3aefe8d JH |
5329 | break; |
5330 | } | |
8c0bfa08 | 5331 | |
a0d0e21e | 5332 | EXTEND(SP, 10); |
82334630 | 5333 | if (GIMME_V != G_ARRAY) { |
a0d0e21e LW |
5334 | PUSHs(sv = sv_newmortal()); |
5335 | if (pwent) { | |
5336 | if (which == OP_GPWNAM) | |
dfff4baf | 5337 | sv_setuid(sv, pwent->pw_uid); |
a0d0e21e LW |
5338 | else |
5339 | sv_setpv(sv, pwent->pw_name); | |
5340 | } | |
5341 | RETURN; | |
5342 | } | |
5343 | ||
5344 | if (pwent) { | |
6e449a3a | 5345 | mPUSHs(newSVpv(pwent->pw_name, 0)); |
6ee623d5 | 5346 | |
6e449a3a MHM |
5347 | sv = newSViv(0); |
5348 | mPUSHs(sv); | |
3813c136 JH |
5349 | /* If we have getspnam(), we try to dig up the shadow |
5350 | * password. If we are underprivileged, the shadow | |
5351 | * interface will set the errno to EACCES or similar, | |
5352 | * and return a null pointer. If this happens, we will | |
5353 | * use the dummy password (usually "*" or "x") from the | |
5354 | * standard password database. | |
5355 | * | |
5356 | * In theory we could skip the shadow call completely | |
5357 | * if euid != 0 but in practice we cannot know which | |
5358 | * security measures are guarding the shadow databases | |
5359 | * on a random platform. | |
5360 | * | |
5361 | * Resist the urge to use additional shadow interfaces. | |
5362 | * Divert the urge to writing an extension instead. | |
5363 | * | |
5364 | * --jhi */ | |
e549f1c5 JH |
5365 | /* Some AIX setups falsely(?) detect some getspnam(), which |
5366 | * has a different API than the Solaris/IRIX one. */ | |
5367 | # if defined(HAS_GETSPNAM) && !defined(_AIX) | |
3813c136 | 5368 | { |
4ee39169 | 5369 | dSAVE_ERRNO; |
0bcc34c2 AL |
5370 | const struct spwd * const spwent = getspnam(pwent->pw_name); |
5371 | /* Save and restore errno so that | |
3813c136 | 5372 | * underprivileged attempts seem |
486ec47a | 5373 | * to have never made the unsuccessful |
3813c136 | 5374 | * attempt to retrieve the shadow password. */ |
4ee39169 | 5375 | RESTORE_ERRNO; |
3813c136 JH |
5376 | if (spwent && spwent->sp_pwdp) |
5377 | sv_setpv(sv, spwent->sp_pwdp); | |
5378 | } | |
f1066039 | 5379 | # endif |
e020c87d | 5380 | # ifdef PWPASSWD |
3813c136 JH |
5381 | if (!SvPOK(sv)) /* Use the standard password, then. */ |
5382 | sv_setpv(sv, pwent->pw_passwd); | |
e020c87d | 5383 | # endif |
3813c136 | 5384 | |
3813c136 JH |
5385 | /* passwd is tainted because user himself can diddle with it. |
5386 | * admittedly not much and in a very limited way, but nevertheless. */ | |
2959b6e3 | 5387 | SvTAINTED_on(sv); |
6ee623d5 | 5388 | |
dfff4baf BF |
5389 | sv_setuid(PUSHmortal, pwent->pw_uid); |
5390 | sv_setgid(PUSHmortal, pwent->pw_gid); | |
6ee623d5 | 5391 | |
3813c136 JH |
5392 | /* pw_change, pw_quota, and pw_age are mutually exclusive-- |
5393 | * because of the poor interface of the Perl getpw*(), | |
5394 | * not because there's some standard/convention saying so. | |
5395 | * A better interface would have been to return a hash, | |
5396 | * but we are accursed by our history, alas. --jhi. */ | |
1883634f | 5397 | # ifdef PWCHANGE |
6e449a3a | 5398 | mPUSHi(pwent->pw_change); |
6ee623d5 | 5399 | # else |
1883634f | 5400 | # ifdef PWQUOTA |
6e449a3a | 5401 | mPUSHi(pwent->pw_quota); |
1883634f | 5402 | # else |
a1757be1 | 5403 | # ifdef PWAGE |
6e449a3a | 5404 | mPUSHs(newSVpv(pwent->pw_age, 0)); |
7c58897d NC |
5405 | # else |
5406 | /* I think that you can never get this compiled, but just in case. */ | |
5407 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
a1757be1 | 5408 | # endif |
6ee623d5 GS |
5409 | # endif |
5410 | # endif | |
6ee623d5 | 5411 | |
3813c136 JH |
5412 | /* pw_class and pw_comment are mutually exclusive--. |
5413 | * see the above note for pw_change, pw_quota, and pw_age. */ | |
1883634f | 5414 | # ifdef PWCLASS |
6e449a3a | 5415 | mPUSHs(newSVpv(pwent->pw_class, 0)); |
1883634f JH |
5416 | # else |
5417 | # ifdef PWCOMMENT | |
6e449a3a | 5418 | mPUSHs(newSVpv(pwent->pw_comment, 0)); |
7c58897d NC |
5419 | # else |
5420 | /* I think that you can never get this compiled, but just in case. */ | |
5421 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
1883634f | 5422 | # endif |
6ee623d5 | 5423 | # endif |
6ee623d5 | 5424 | |
1883634f | 5425 | # ifdef PWGECOS |
7c58897d NC |
5426 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_gecos, 0))); |
5427 | # else | |
c4c533cb | 5428 | PUSHs(sv = sv_mortalcopy(&PL_sv_no)); |
1883634f | 5429 | # endif |
d2719217 | 5430 | /* pw_gecos is tainted because user himself can diddle with it. */ |
fb73857a | 5431 | SvTAINTED_on(sv); |
6ee623d5 | 5432 | |
6e449a3a | 5433 | mPUSHs(newSVpv(pwent->pw_dir, 0)); |
6ee623d5 | 5434 | |
7c58897d | 5435 | PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_shell, 0))); |
4602f195 JH |
5436 | /* pw_shell is tainted because user himself can diddle with it. */ |
5437 | SvTAINTED_on(sv); | |
6ee623d5 | 5438 | |
1883634f | 5439 | # ifdef PWEXPIRE |
6e449a3a | 5440 | mPUSHi(pwent->pw_expire); |
1883634f | 5441 | # endif |
a0d0e21e LW |
5442 | } |
5443 | RETURN; | |
5444 | #else | |
af51a00e | 5445 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5446 | #endif |
5447 | } | |
5448 | ||
b1c05ba5 DM |
5449 | |
5450 | /* also used for: pp_ggrgid() pp_ggrnam() */ | |
5451 | ||
a0d0e21e LW |
5452 | PP(pp_ggrent) |
5453 | { | |
0994c4d0 | 5454 | #ifdef HAS_GROUP |
20b7effb | 5455 | dSP; |
6136c704 AL |
5456 | const I32 which = PL_op->op_type; |
5457 | const struct group *grent; | |
a0d0e21e | 5458 | |
edd309b7 | 5459 | if (which == OP_GGRNAM) { |
0bcc34c2 | 5460 | const char* const name = POPpbytex; |
6136c704 | 5461 | grent = (const struct group *)getgrnam(name); |
edd309b7 JH |
5462 | } |
5463 | else if (which == OP_GGRGID) { | |
0bcc34c2 | 5464 | const Gid_t gid = POPi; |
6136c704 | 5465 | grent = (const struct group *)getgrgid(gid); |
edd309b7 | 5466 | } |
a0d0e21e | 5467 | else |
0994c4d0 | 5468 | #ifdef HAS_GETGRENT |
a0d0e21e | 5469 | grent = (struct group *)getgrent(); |
0994c4d0 JH |
5470 | #else |
5471 | DIE(aTHX_ PL_no_func, "getgrent"); | |
5472 | #endif | |
a0d0e21e LW |
5473 | |
5474 | EXTEND(SP, 4); | |
82334630 | 5475 | if (GIMME_V != G_ARRAY) { |
6136c704 AL |
5476 | SV * const sv = sv_newmortal(); |
5477 | ||
5478 | PUSHs(sv); | |
a0d0e21e LW |
5479 | if (grent) { |
5480 | if (which == OP_GGRNAM) | |
dfff4baf | 5481 | sv_setgid(sv, grent->gr_gid); |
a0d0e21e LW |
5482 | else |
5483 | sv_setpv(sv, grent->gr_name); | |
5484 | } | |
5485 | RETURN; | |
5486 | } | |
5487 | ||
5488 | if (grent) { | |
6e449a3a | 5489 | mPUSHs(newSVpv(grent->gr_name, 0)); |
28e8609d | 5490 | |
28e8609d | 5491 | #ifdef GRPASSWD |
6e449a3a | 5492 | mPUSHs(newSVpv(grent->gr_passwd, 0)); |
7c58897d NC |
5493 | #else |
5494 | PUSHs(sv_mortalcopy(&PL_sv_no)); | |
28e8609d JH |
5495 | #endif |
5496 | ||
dfff4baf | 5497 | sv_setgid(PUSHmortal, grent->gr_gid); |
28e8609d | 5498 | |
5b56e7c5 | 5499 | #if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API)) |
3d7e8424 JH |
5500 | /* In UNICOS/mk (_CRAYMPP) the multithreading |
5501 | * versions (getgrnam_r, getgrgid_r) | |
5502 | * seem to return an illegal pointer | |
5503 | * as the group members list, gr_mem. | |
5504 | * getgrent() doesn't even have a _r version | |
5505 | * but the gr_mem is poisonous anyway. | |
5506 | * So yes, you cannot get the list of group | |
5507 | * members if building multithreaded in UNICOS/mk. */ | |
931e0695 | 5508 | PUSHs(space_join_names_mortal(grent->gr_mem)); |
3d7e8424 | 5509 | #endif |
a0d0e21e LW |
5510 | } |
5511 | ||
5512 | RETURN; | |
5513 | #else | |
af51a00e | 5514 | DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]); |
a0d0e21e LW |
5515 | #endif |
5516 | } | |
5517 | ||
a0d0e21e LW |
5518 | PP(pp_getlogin) |
5519 | { | |
a0d0e21e | 5520 | #ifdef HAS_GETLOGIN |
20b7effb | 5521 | dSP; dTARGET; |
a0d0e21e LW |
5522 | char *tmps; |
5523 | EXTEND(SP, 1); | |
76e3520e | 5524 | if (!(tmps = PerlProc_getlogin())) |
a0d0e21e | 5525 | RETPUSHUNDEF; |
bee8aa44 NC |
5526 | sv_setpv_mg(TARG, tmps); |
5527 | PUSHs(TARG); | |
a0d0e21e LW |
5528 | RETURN; |
5529 | #else | |
cea2e8a9 | 5530 | DIE(aTHX_ PL_no_func, "getlogin"); |
a0d0e21e LW |
5531 | #endif |
5532 | } | |
5533 | ||
5534 | /* Miscellaneous. */ | |
5535 | ||
5536 | PP(pp_syscall) | |
5537 | { | |
d2719217 | 5538 | #ifdef HAS_SYSCALL |
20b7effb | 5539 | dSP; dMARK; dORIGMARK; dTARGET; |
eb578fdb | 5540 | I32 items = SP - MARK; |
a0d0e21e | 5541 | unsigned long a[20]; |
eb578fdb | 5542 | I32 i = 0; |
f9344c91 | 5543 | IV retval = -1; |
a0d0e21e | 5544 | |
284167a5 | 5545 | if (TAINTING_get) { |
a0d0e21e | 5546 | while (++MARK <= SP) { |
bbce6d69 | 5547 | if (SvTAINTED(*MARK)) { |
5548 | TAINT; | |
5549 | break; | |
5550 | } | |
a0d0e21e LW |
5551 | } |
5552 | MARK = ORIGMARK; | |
5553 | TAINT_PROPER("syscall"); | |
5554 | } | |
5555 | ||
5556 | /* This probably won't work on machines where sizeof(long) != sizeof(int) | |
5557 | * or where sizeof(long) != sizeof(char*). But such machines will | |
5558 | * not likely have syscall implemented either, so who cares? | |
5559 | */ | |
5560 | while (++MARK <= SP) { | |
5561 | if (SvNIOK(*MARK) || !i) | |
5562 | a[i++] = SvIV(*MARK); | |
3280af22 | 5563 | else if (*MARK == &PL_sv_undef) |
748a9306 | 5564 | a[i++] = 0; |
301e8125 | 5565 | else |
8b6b16e7 | 5566 | a[i++] = (unsigned long)SvPV_force_nolen(*MARK); |
a0d0e21e LW |
5567 | if (i > 15) |
5568 | break; | |
5569 | } | |
5570 | switch (items) { | |
5571 | default: | |
cea2e8a9 | 5572 | DIE(aTHX_ "Too many args to syscall"); |
a0d0e21e | 5573 | case 0: |
cea2e8a9 | 5574 | DIE(aTHX_ "Too few args to syscall"); |
a0d0e21e LW |
5575 | case 1: |
5576 | retval = syscall(a[0]); | |
5577 | break; | |
5578 | case 2: | |
5579 | retval = syscall(a[0],a[1]); | |
5580 | break; | |
5581 | case 3: | |
5582 | retval = syscall(a[0],a[1],a[2]); | |
5583 | break; | |
5584 | case 4: | |
5585 | retval = syscall(a[0],a[1],a[2],a[3]); | |
5586 | break; | |
5587 | case 5: | |
5588 | retval = syscall(a[0],a[1],a[2],a[3],a[4]); | |
5589 | break; | |
5590 | case 6: | |
5591 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]); | |
5592 | break; | |
5593 | case 7: | |
5594 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]); | |
5595 | break; | |
5596 | case 8: | |
5597 | retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); | |
5598 | break; | |
a0d0e21e LW |
5599 | } |
5600 | SP = ORIGMARK; | |
5601 | PUSHi(retval); | |
5602 | RETURN; | |
5603 | #else | |
cea2e8a9 | 5604 | DIE(aTHX_ PL_no_func, "syscall"); |
a0d0e21e LW |
5605 | #endif |
5606 | } | |
5607 | ||
ff68c719 | 5608 | #ifdef FCNTL_EMULATE_FLOCK |
301e8125 | 5609 | |
ff68c719 | 5610 | /* XXX Emulate flock() with fcntl(). |
5611 | What's really needed is a good file locking module. | |
5612 | */ | |
5613 | ||
cea2e8a9 GS |
5614 | static int |
5615 | fcntl_emulate_flock(int fd, int operation) | |
ff68c719 | 5616 | { |
fd9e8b45 | 5617 | int res; |
ff68c719 | 5618 | struct flock flock; |
301e8125 | 5619 | |
ff68c719 | 5620 | switch (operation & ~LOCK_NB) { |
5621 | case LOCK_SH: | |
5622 | flock.l_type = F_RDLCK; | |
5623 | break; | |
5624 | case LOCK_EX: | |
5625 | flock.l_type = F_WRLCK; | |
5626 | break; | |
5627 | case LOCK_UN: | |
5628 | flock.l_type = F_UNLCK; | |
5629 | break; | |
5630 | default: | |
5631 | errno = EINVAL; | |
5632 | return -1; | |
5633 | } | |
5634 | flock.l_whence = SEEK_SET; | |
d9b3e12d | 5635 | flock.l_start = flock.l_len = (Off_t)0; |
301e8125 | 5636 | |
fd9e8b45 JD |
5637 | res = fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock); |
5638 | if (res == -1 && ((errno == EAGAIN) || (errno == EACCES))) | |
5639 | errno = EWOULDBLOCK; | |
5640 | return res; | |
ff68c719 | 5641 | } |
5642 | ||
5643 | #endif /* FCNTL_EMULATE_FLOCK */ | |
5644 | ||
5645 | #ifdef LOCKF_EMULATE_FLOCK | |
16d20bd9 AD |
5646 | |
5647 | /* XXX Emulate flock() with lockf(). This is just to increase | |
5648 | portability of scripts. The calls are not completely | |
5649 | interchangeable. What's really needed is a good file | |
5650 | locking module. | |
5651 | */ | |
5652 | ||
76c32331 | 5653 | /* The lockf() constants might have been defined in <unistd.h>. |
5654 | Unfortunately, <unistd.h> causes troubles on some mixed | |
5655 | (BSD/POSIX) systems, such as SunOS 4.1.3. | |
16d20bd9 AD |
5656 | |
5657 | Further, the lockf() constants aren't POSIX, so they might not be | |
5658 | visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll | |
5659 | just stick in the SVID values and be done with it. Sigh. | |
5660 | */ | |
5661 | ||
5662 | # ifndef F_ULOCK | |
5663 | # define F_ULOCK 0 /* Unlock a previously locked region */ | |
5664 | # endif | |
5665 | # ifndef F_LOCK | |
5666 | # define F_LOCK 1 /* Lock a region for exclusive use */ | |
5667 | # endif | |
5668 | # ifndef F_TLOCK | |
5669 | # define F_TLOCK 2 /* Test and lock a region for exclusive use */ | |
5670 | # endif | |
5671 | # ifndef F_TEST | |
5672 | # define F_TEST 3 /* Test a region for other processes locks */ | |
5673 | # endif | |
5674 | ||
cea2e8a9 GS |
5675 | static int |
5676 | lockf_emulate_flock(int fd, int operation) | |
16d20bd9 AD |
5677 | { |
5678 | int i; | |
84902520 | 5679 | Off_t pos; |
4ee39169 | 5680 | dSAVE_ERRNO; |
84902520 TB |
5681 | |
5682 | /* flock locks entire file so for lockf we need to do the same */ | |
6ad3d225 | 5683 | pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */ |
84902520 | 5684 | if (pos > 0) /* is seekable and needs to be repositioned */ |
6ad3d225 | 5685 | if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0) |
08b714dd | 5686 | pos = -1; /* seek failed, so don't seek back afterwards */ |
4ee39169 | 5687 | RESTORE_ERRNO; |
84902520 | 5688 | |
16d20bd9 AD |
5689 | switch (operation) { |
5690 | ||
5691 | /* LOCK_SH - get a shared lock */ | |
5692 | case LOCK_SH: | |
5693 | /* LOCK_EX - get an exclusive lock */ | |
5694 | case LOCK_EX: | |
5695 | i = lockf (fd, F_LOCK, 0); | |
5696 | break; | |
5697 | ||
5698 | /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */ | |
5699 | case LOCK_SH|LOCK_NB: | |
5700 | /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */ | |
5701 | case LOCK_EX|LOCK_NB: | |
5702 | i = lockf (fd, F_TLOCK, 0); | |
5703 | if (i == -1) | |
5704 | if ((errno == EAGAIN) || (errno == EACCES)) | |
5705 | errno = EWOULDBLOCK; | |
5706 | break; | |
5707 | ||
ff68c719 | 5708 | /* LOCK_UN - unlock (non-blocking is a no-op) */ |
16d20bd9 | 5709 | case LOCK_UN: |
ff68c719 | 5710 | case LOCK_UN|LOCK_NB: |
16d20bd9 AD |
5711 | i = lockf (fd, F_ULOCK, 0); |
5712 | break; | |
5713 | ||
5714 | /* Default - can't decipher operation */ | |
5715 | default: | |
5716 | i = -1; | |
5717 | errno = EINVAL; | |
5718 | break; | |
5719 | } | |
84902520 TB |
5720 | |
5721 | if (pos > 0) /* need to restore position of the handle */ | |
6ad3d225 | 5722 | PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */ |
84902520 | 5723 | |
16d20bd9 AD |
5724 | return (i); |
5725 | } | |
ff68c719 | 5726 | |
5727 | #endif /* LOCKF_EMULATE_FLOCK */ | |
241d1a3b NC |
5728 | |
5729 | /* | |
5730 | * Local variables: | |
5731 | * c-indentation-style: bsd | |
5732 | * c-basic-offset: 4 | |
14d04a33 | 5733 | * indent-tabs-mode: nil |
241d1a3b NC |
5734 | * End: |
5735 | * | |
14d04a33 | 5736 | * ex: set ts=8 sts=4 sw=4 et: |
37442d52 | 5737 | */ |