This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Change the Policy policy: now -Dprefix= with an existing
[perl5.git] / pp_sys.c
CommitLineData
a0d0e21e
LW		 1/* pp_sys.c
2 *
cb50131a 3 * Copyright (c) 1991-2000, Larry Wall
a0d0e21e
LW		 4 *
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
7 *
8 */
9
10/*
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
15 */
16
17#include "EXTERN.h"
864dbfa3 18#define PERL_IN_PP_SYS_C
a0d0e21e
LW		 19#include "perl.h"
20
f1066039
JH		 21#ifdef I_SHADOW
22/* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
3813c136
JH		 24 * The API is from SysV.
25 *
26 * There are at least two more shadow interfaces,
27 * see the comments in pp_gpwent().
28 *
29 * --jhi */
30# ifdef __hpux__
c529f79d
CB		 31/* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
32 * and another MAXINT from "perl.h" <- <sys/param.h>. */
3813c136
JH		 33# undef MAXINT
34# endif
35# include <shadow.h>
8c0bfa08
PB		 36#endif
37
76c32331 38/* XXX If this causes problems, set i_unistd=undef in the hint file. */
39#ifdef I_UNISTD
40# include <unistd.h>
41#endif
42
8ac85365
NIS		 43#ifdef HAS_SYSCALL
44#ifdef __cplusplus
45extern "C" int syscall(unsigned long,...);
46#endif
47#endif
48
76c32331 49#ifdef I_SYS_WAIT
50# include <sys/wait.h>
51#endif
52
53#ifdef I_SYS_RESOURCE
54# include <sys/resource.h>
16d20bd9 55#endif
a0d0e21e
LW		 56
57#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
58# include <sys/socket.h>
29209bc5 59# if defined(USE_SOCKS) && defined(I_SOCKS)
86959918
JH		 60# include <socks.h>
61# endif
3fd537d4
JH		 62# ifdef I_NETDB
63# include <netdb.h>
64# endif
a0d0e21e
LW		 65# ifndef ENOTSOCK
66# ifdef I_NET_ERRNO
67# include <net/errno.h>
68# endif
69# endif
70#endif
71
72#ifdef HAS_SELECT
73#ifdef I_SYS_SELECT
a0d0e21e
LW		 74#include <sys/select.h>
75#endif
76#endif
a0d0e21e 77
dc45a647
MB		 78/* XXX Configure test needed.
79 h_errno might not be a simple 'int', especially for multi-threaded
5ff3f7a4
GS		 80 applications, see "extern int errno in perl.h". Creating such
81 a test requires taking into account the differences between
82 compiling multithreaded and singlethreaded ($ccflags et al).
83 HOST_NOT_FOUND is typically defined in <netdb.h>.
dc45a647 84*/
cb50131a 85#if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
a0d0e21e
LW		 86extern int h_errno;
87#endif
88
89#ifdef HAS_PASSWD
90# ifdef I_PWD
91# include <pwd.h>
92# else
20ce7b12
GS		 93 struct passwd *getpwnam (char *);
94 struct passwd *getpwuid (Uid_t);
a0d0e21e 95# endif
28e8609d 96# ifdef HAS_GETPWENT
20ce7b12 97 struct passwd *getpwent (void);
28e8609d 98# endif
a0d0e21e
LW		 99#endif
100
101#ifdef HAS_GROUP
102# ifdef I_GRP
103# include <grp.h>
104# else
20ce7b12
GS		 105 struct group *getgrnam (char *);
106 struct group *getgrgid (Gid_t);
a0d0e21e 107# endif
28e8609d 108# ifdef HAS_GETGRENT
20ce7b12 109 struct group *getgrent (void);
28e8609d 110# endif
a0d0e21e
LW		 111#endif
112
113#ifdef I_UTIME
3730b96e 114# if defined(_MSC_VER) || defined(__MINGW32__)
3fe9a6f1 115# include <sys/utime.h>
116# else
117# include <utime.h>
118# endif
a0d0e21e 119#endif
a0d0e21e 120
54310121 121/* Put this after #includes because fork and vfork prototypes may conflict. */
122#ifndef HAS_VFORK
123# define vfork fork
124#endif
125
cbdc8872 126#ifdef HAS_CHSIZE
cd52b7b2 127# ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
128# undef my_chsize
129# endif
6ad3d225 130# define my_chsize PerlLIO_chsize
cbdc8872 131#endif
132
ff68c719 133#ifdef HAS_FLOCK
134# define FLOCK flock
135#else /* no flock() */
136
36477c24 137 /* fcntl.h might not have been included, even if it exists, because
138 the current Configure only sets I_FCNTL if it's needed to pick up
139 the *_OK constants. Make sure it has been included before testing
140 the fcntl() locking constants. */
141# if defined(HAS_FCNTL) && !defined(I_FCNTL)
142# include <fcntl.h>
143# endif
144
ff68c719 145# if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
146# define FLOCK fcntl_emulate_flock
147# define FCNTL_EMULATE_FLOCK
148# else /* no flock() or fcntl(F_SETLK,...) */
149# ifdef HAS_LOCKF
150# define FLOCK lockf_emulate_flock
151# define LOCKF_EMULATE_FLOCK
152# endif /* lockf */
153# endif /* no flock() or fcntl(F_SETLK,...) */
154
155# ifdef FLOCK
20ce7b12 156 static int FLOCK (int, int);
ff68c719 157
158 /*
159 * These are the flock() constants. Since this sytems doesn't have
160 * flock(), the values of the constants are probably not available.
161 */
162# ifndef LOCK_SH
163# define LOCK_SH 1
164# endif
165# ifndef LOCK_EX
166# define LOCK_EX 2
167# endif
168# ifndef LOCK_NB
169# define LOCK_NB 4
170# endif
171# ifndef LOCK_UN
172# define LOCK_UN 8
173# endif
174# endif /* emulating flock() */
175
176#endif /* no flock() */
55497cff 177
85ab1d1d
JH		 178#define ZBTLEN 10
179static char zero_but_true[ZBTLEN + 1] = "0 but true";
180
5ff3f7a4
GS		 181#if defined(I_SYS_ACCESS) && !defined(R_OK)
182# include <sys/access.h>
183#endif
184
c529f79d
CB		 185#if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
186# define FD_CLOEXEC 1 /* NeXT needs this */
187#endif
188
5ff3f7a4
GS		 189#undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
190#undef PERL_EFF_ACCESS_W_OK
191#undef PERL_EFF_ACCESS_X_OK
192
193/* F_OK unused: if stat() cannot find it... */
194
195#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
c955f117 196 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
5ff3f7a4
GS		 197# define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
198# define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
199# define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
200#endif
201
202#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
3813c136 203# ifdef I_SYS_SECURITY
5ff3f7a4
GS		 204# include <sys/security.h>
205# endif
c955f117
JH		 206# ifdef ACC_SELF
207 /* HP SecureWare */
208# define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
209# define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
210# define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
211# else
212 /* SCO */
213# define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
214# define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
215# define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
216# endif
5ff3f7a4
GS		 217#endif
218
219#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
c955f117 220 /* AIX */
5ff3f7a4
GS		 221# define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
222# define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
223# define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
224#endif
225
327c3667
GS		 226#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
227 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
228 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
5ff3f7a4 229/* The Hard Way. */
327c3667 230STATIC int
7f4774ae 231S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
ba106d47 232{
5ff3f7a4
GS		 233 Uid_t ruid = getuid();
234 Uid_t euid = geteuid();
235 Gid_t rgid = getgid();
236 Gid_t egid = getegid();
237 int res;
238
146174a9 239 LOCK_CRED_MUTEX;
5ff3f7a4 240#if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
cea2e8a9 241 Perl_croak(aTHX_ "switching effective uid is not implemented");
5ff3f7a4
GS		 242#else
243#ifdef HAS_SETREUID
244 if (setreuid(euid, ruid))
245#else
246#ifdef HAS_SETRESUID
247 if (setresuid(euid, ruid, (Uid_t)-1))
248#endif
249#endif
cea2e8a9 250 Perl_croak(aTHX_ "entering effective uid failed");
5ff3f7a4
GS		 251#endif
252
253#if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
cea2e8a9 254 Perl_croak(aTHX_ "switching effective gid is not implemented");
5ff3f7a4
GS		 255#else
256#ifdef HAS_SETREGID
257 if (setregid(egid, rgid))
258#else
259#ifdef HAS_SETRESGID
260 if (setresgid(egid, rgid, (Gid_t)-1))
261#endif
262#endif
cea2e8a9 263 Perl_croak(aTHX_ "entering effective gid failed");
5ff3f7a4
GS		 264#endif
265
266 res = access(path, mode);
267
268#ifdef HAS_SETREUID
269 if (setreuid(ruid, euid))
270#else
271#ifdef HAS_SETRESUID
272 if (setresuid(ruid, euid, (Uid_t)-1))
273#endif
274#endif
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
cea2e8a9 284 Perl_croak(aTHX_ "leaving effective gid failed");
146174a9 285 UNLOCK_CRED_MUTEX;
5ff3f7a4
GS		 286
287 return res;
288}
289# define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
290# define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
291# define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
292#endif
293
294#if !defined(PERL_EFF_ACCESS_R_OK)
327c3667 295STATIC int
7f4774ae 296S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
ba106d47 297{
cea2e8a9 298 Perl_croak(aTHX_ "switching effective uid is not implemented");
5ff3f7a4
GS		 299 /*NOTREACHED*/
300 return -1;
301}
302#endif
303
a0d0e21e
LW		 304PP(pp_backtick)
305{
4e35701f 306 djSP; dTARGET;
760ac839 307 PerlIO *fp;
2d8e6c8d
GS		 308 STRLEN n_a;
309 char *tmps = POPpx;
54310121 310 I32 gimme = GIMME_V;
16fe6d59 311 char *mode = "r";
54310121 312
a0d0e21e 313 TAINT_PROPER("``");
16fe6d59
GS		 314 if (PL_op->op_private & OPpOPEN_IN_RAW)
315 mode = "rb";
316 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
317 mode = "rt";
318 fp = PerlProc_popen(tmps, mode);
a0d0e21e 319 if (fp) {
54310121 320 if (gimme == G_VOID) {
96827780
MB		 321 char tmpbuf[256];
322 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
54310121 323 /*SUPPRESS 530*/
324 ;
325 }
326 else if (gimme == G_SCALAR) {
aa689395 327 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
a0d0e21e
LW		 328 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
329 /*SUPPRESS 530*/
330 ;
331 XPUSHs(TARG);
aa689395 332 SvTAINTED_on(TARG);
a0d0e21e
LW		 333 }
334 else {
335 SV *sv;
336
337 for (;;) {
8d6dde3e 338 sv = NEWSV(56, 79);
a0d0e21e
LW		 339 if (sv_gets(sv, fp, 0) == Nullch) {
340 SvREFCNT_dec(sv);
341 break;
342 }
343 XPUSHs(sv_2mortal(sv));
344 if (SvLEN(sv) - SvCUR(sv) > 20) {
345 SvLEN_set(sv, SvCUR(sv)+1);
346 Renew(SvPVX(sv), SvLEN(sv), char);
347 }
aa689395 348 SvTAINTED_on(sv);
a0d0e21e
LW		 349 }
350 }
6ad3d225 351 STATUS_NATIVE_SET(PerlProc_pclose(fp));
aa689395 352 TAINT; /* "I believe that this is not gratuitous!" */
a0d0e21e
LW		 353 }
354 else {
f86702cc 355 STATUS_NATIVE_SET(-1);
54310121 356 if (gimme == G_SCALAR)
a0d0e21e
LW		 357 RETPUSHUNDEF;
358 }
359
360 RETURN;
361}
362
363PP(pp_glob)
364{
365 OP *result;
f5284f61
IZ		 366 tryAMAGICunTARGET(iter, -1);
367
71686f12
GS		 368 /* Note that we only ever get here if File::Glob fails to load
369 * without at the same time croaking, for some reason, or if
370 * perl was built with PERL_EXTERNAL_GLOB */
371
a0d0e21e 372 ENTER;
a0d0e21e 373
c90c0ff4 374#ifndef VMS
3280af22 375 if (PL_tainting) {
7bac28a0 376 /*
377 * The external globbing program may use things we can't control,
378 * so for security reasons we must assume the worst.
379 */
380 TAINT;
22c35a8c 381 taint_proper(PL_no_security, "glob");
7bac28a0 382 }
c90c0ff4 383#endif /* !VMS */
7bac28a0 384
3280af22
NIS		 385 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
386 PL_last_in_gv = (GV*)*PL_stack_sp--;
a0d0e21e 387
3280af22 388 SAVESPTR(PL_rs); /* This is not permanent, either. */
79cb57f6 389 PL_rs = sv_2mortal(newSVpvn("\000", 1));
c07a80fd 390#ifndef DOSISH
391#ifndef CSH
6b88bc9c 392 *SvPVX(PL_rs) = '\n';
a0d0e21e 393#endif /* !CSH */
55497cff 394#endif /* !DOSISH */
c07a80fd 395
a0d0e21e
LW		 396 result = do_readline();
397 LEAVE;
398 return result;
399}
400
15e52e56 401#if 0 /* XXX never used! */
a0d0e21e
LW		 402PP(pp_indread)
403{
2d8e6c8d
GS		 404 STRLEN n_a;
405 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
a0d0e21e
LW		 406 return do_readline();
407}
15e52e56 408#endif
a0d0e21e
LW		 409
410PP(pp_rcatline)
411{
146174a9 412 PL_last_in_gv = cGVOP_gv;
a0d0e21e
LW		 413 return do_readline();
414}
415
416PP(pp_warn)
417{
4e35701f 418 djSP; dMARK;
06bf62c7 419 SV *tmpsv;
a0d0e21e 420 char *tmps;
06bf62c7 421 STRLEN len;
a0d0e21e
LW		 422 if (SP - MARK != 1) {
423 dTARGET;
3280af22 424 do_join(TARG, &PL_sv_no, MARK, SP);
06bf62c7 425 tmpsv = TARG;
a0d0e21e
LW		 426 SP = MARK + 1;
427 }
428 else {
06bf62c7 429 tmpsv = TOPs;
a0d0e21e 430 }
06bf62c7
GS		 431 tmps = SvPV(tmpsv, len);
432 if (!tmps || !len) {
4e6ea2c3
GS		 433 SV *error = ERRSV;
434 (void)SvUPGRADE(error, SVt_PV);
435 if (SvPOK(error) && SvCUR(error))
436 sv_catpv(error, "\t...caught");
06bf62c7
GS		 437 tmpsv = error;
438 tmps = SvPV(tmpsv, len);
a0d0e21e 439 }
06bf62c7
GS		 440 if (!tmps || !len)
441 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
442
cb50131a 443 Perl_warn(aTHX_ "%"SVf, tmpsv);
a0d0e21e
LW		 444 RETSETYES;
445}
446
447PP(pp_die)
448{
4e35701f 449 djSP; dMARK;
a0d0e21e 450 char *tmps;
06bf62c7
GS		 451 SV *tmpsv;
452 STRLEN len;
453 bool multiarg = 0;
a0d0e21e
LW		 454 if (SP - MARK != 1) {
455 dTARGET;
3280af22 456 do_join(TARG, &PL_sv_no, MARK, SP);
06bf62c7
GS		 457 tmpsv = TARG;
458 tmps = SvPV(tmpsv, len);
459 multiarg = 1;
a0d0e21e
LW		 460 SP = MARK + 1;
461 }
462 else {
4e6ea2c3 463 tmpsv = TOPs;
06bf62c7 464 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
a0d0e21e 465 }
06bf62c7 466 if (!tmps || !len) {
4e6ea2c3
GS		 467 SV *error = ERRSV;
468 (void)SvUPGRADE(error, SVt_PV);
06bf62c7
GS		 469 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
470 if (!multiarg)
4e6ea2c3 471 SvSetSV(error,tmpsv);
06bf62c7 472 else if (sv_isobject(error)) {
05423cc9
GS		 473 HV *stash = SvSTASH(SvRV(error));
474 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
475 if (gv) {
146174a9 476 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
b448e4fe 477 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
05423cc9
GS		 478 EXTEND(SP, 3);
479 PUSHMARK(SP);
480 PUSHs(error);
481 PUSHs(file);
482 PUSHs(line);
483 PUTBACK;
864dbfa3
GS		 484 call_sv((SV*)GvCV(gv),
485 G_SCALAR|G_EVAL|G_KEEPERR);
3280af22 486 sv_setsv(error,*PL_stack_sp--);
05423cc9
GS		 487 }
488 }
cea2e8a9 489 DIE(aTHX_ Nullch);
4e6ea2c3
GS		 490 }
491 else {
492 if (SvPOK(error) && SvCUR(error))
493 sv_catpv(error, "\t...propagated");
06bf62c7
GS		 494 tmpsv = error;
495 tmps = SvPV(tmpsv, len);
4e6ea2c3 496 }
a0d0e21e 497 }
06bf62c7
GS		 498 if (!tmps || !len)
499 tmpsv = sv_2mortal(newSVpvn("Died", 4));
500
cb50131a 501 DIE(aTHX_ "%"SVf, tmpsv);
a0d0e21e
LW		 502}
503
504/* I/O. */
505
506PP(pp_open)
507{
4e35701f 508 djSP; dTARGET;
a0d0e21e
LW		 509 GV *gv;
510 SV *sv;
6170680b
IZ		 511 SV *name;
512 I32 have_name = 0;
a0d0e21e
LW		 513 char *tmps;
514 STRLEN len;
4592e6ca 515 MAGIC *mg;
a0d0e21e 516
6170680b
IZ		 517 if (MAXARG > 2) {
518 name = POPs;
519 have_name = 1;
520 }
a0d0e21e
LW		 521 if (MAXARG > 1)
522 sv = POPs;
5f05dabc 523 if (!isGV(TOPs))
cea2e8a9 524 DIE(aTHX_ PL_no_usym, "filehandle");
5f05dabc 525 if (MAXARG <= 1)
526 sv = GvSV(TOPs);
a0d0e21e 527 gv = (GV*)POPs;
5f05dabc 528 if (!isGV(gv))
cea2e8a9 529 DIE(aTHX_ PL_no_usym, "filehandle");
36477c24 530 if (GvIOp(gv))
531 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
853846ea 532
155aba94 533 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
4592e6ca
NIS		 534 PUSHMARK(SP);
535 XPUSHs(SvTIED_obj((SV*)gv, mg));
536 XPUSHs(sv);
6170680b
IZ		 537 if (have_name)
538 XPUSHs(name);
4592e6ca
NIS		 539 PUTBACK;
540 ENTER;
864dbfa3 541 call_method("OPEN", G_SCALAR);
4592e6ca
NIS		 542 LEAVE;
543 SPAGAIN;
544 RETURN;
545 }
546
a0d0e21e 547 tmps = SvPV(sv, len);
6170680b 548 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
3280af22
NIS		 549 PUSHi( (I32)PL_forkprocess );
550 else if (PL_forkprocess == 0) /* we are a new child */
a0d0e21e
LW		 551 PUSHi(0);
552 else
553 RETPUSHUNDEF;
554 RETURN;
555}
556
557PP(pp_close)
558{
4e35701f 559 djSP;
a0d0e21e 560 GV *gv;
1d603a67 561 MAGIC *mg;
a0d0e21e
LW		 562
563 if (MAXARG == 0)
3280af22 564 gv = PL_defoutgv;
a0d0e21e
LW		 565 else
566 gv = (GV*)POPs;
1d603a67 567
155aba94 568 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1d603a67 569 PUSHMARK(SP);
33c27489 570 XPUSHs(SvTIED_obj((SV*)gv, mg));
1d603a67
GB		 571 PUTBACK;
572 ENTER;
864dbfa3 573 call_method("CLOSE", G_SCALAR);
1d603a67
GB		 574 LEAVE;
575 SPAGAIN;
576 RETURN;
577 }
a0d0e21e 578 EXTEND(SP, 1);
54310121 579 PUSHs(boolSV(do_close(gv, TRUE)));
a0d0e21e
LW		 580 RETURN;
581}
582
583PP(pp_pipe_op)
584{
4e35701f 585 djSP;
a0d0e21e
LW		 586#ifdef HAS_PIPE
587 GV *rgv;
588 GV *wgv;
589 register IO *rstio;
590 register IO *wstio;
591 int fd[2];
592
593 wgv = (GV*)POPs;
594 rgv = (GV*)POPs;
595
596 if (!rgv || !wgv)
597 goto badexit;
598
4633a7c4 599 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
cea2e8a9 600 DIE(aTHX_ PL_no_usym, "filehandle");
a0d0e21e
LW		 601 rstio = GvIOn(rgv);
602 wstio = GvIOn(wgv);
603
604 if (IoIFP(rstio))
605 do_close(rgv, FALSE);
606 if (IoIFP(wstio))
607 do_close(wgv, FALSE);
608
6ad3d225 609 if (PerlProc_pipe(fd) < 0)
a0d0e21e
LW		 610 goto badexit;
611
760ac839
LW		 612 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
613 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
a0d0e21e
LW		 614 IoIFP(wstio) = IoOFP(wstio);
615 IoTYPE(rstio) = '<';
616 IoTYPE(wstio) = '>';
617
618 if (!IoIFP(rstio) || !IoOFP(wstio)) {
760ac839 619 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
6ad3d225 620 else PerlLIO_close(fd[0]);
760ac839 621 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
6ad3d225 622 else PerlLIO_close(fd[1]);
a0d0e21e
LW		 623 goto badexit;
624 }
4771b018
GS		 625#if defined(HAS_FCNTL) && defined(F_SETFD)
626 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
627 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
628#endif
a0d0e21e
LW		 629 RETPUSHYES;
630
631badexit:
632 RETPUSHUNDEF;
633#else
cea2e8a9 634 DIE(aTHX_ PL_no_func, "pipe");
a0d0e21e
LW		 635#endif
636}
637
638PP(pp_fileno)
639{
4e35701f 640 djSP; dTARGET;
a0d0e21e
LW		 641 GV *gv;
642 IO *io;
760ac839 643 PerlIO *fp;
4592e6ca
NIS		 644 MAGIC *mg;
645
a0d0e21e
LW		 646 if (MAXARG < 1)
647 RETPUSHUNDEF;
648 gv = (GV*)POPs;
4592e6ca
NIS		 649
650 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
651 PUSHMARK(SP);
652 XPUSHs(SvTIED_obj((SV*)gv, mg));
653 PUTBACK;
654 ENTER;
864dbfa3 655 call_method("FILENO", G_SCALAR);
4592e6ca
NIS		 656 LEAVE;
657 SPAGAIN;
658 RETURN;
659 }
660
a0d0e21e
LW		 661 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
662 RETPUSHUNDEF;
760ac839 663 PUSHi(PerlIO_fileno(fp));
a0d0e21e
LW		 664 RETURN;
665}
666
667PP(pp_umask)
668{
4e35701f 669 djSP; dTARGET;
761237fe 670 Mode_t anum;
a0d0e21e
LW		 671
672#ifdef HAS_UMASK
673 if (MAXARG < 1) {
6ad3d225
GS		 674 anum = PerlLIO_umask(0);
675 (void)PerlLIO_umask(anum);
a0d0e21e
LW		 676 }
677 else
6ad3d225 678 anum = PerlLIO_umask(POPi);
a0d0e21e
LW		 679 TAINT_PROPER("umask");
680 XPUSHi(anum);
681#else
eec2d3df
GS		 682 /* Only DIE if trying to restrict permissions on `user' (self).
683 * Otherwise it's harmless and more useful to just return undef
684 * since 'group' and 'other' concepts probably don't exist here. */
685 if (MAXARG >= 1 && (POPi & 0700))
cea2e8a9 686 DIE(aTHX_ "umask not implemented");
6b88bc9c 687 XPUSHs(&PL_sv_undef);
a0d0e21e
LW		 688#endif
689 RETURN;
690}
691
692PP(pp_binmode)
693{
4e35701f 694 djSP;
a0d0e21e
LW		 695 GV *gv;
696 IO *io;
760ac839 697 PerlIO *fp;
4592e6ca 698 MAGIC *mg;
16fe6d59 699 SV *discp = Nullsv;
a0d0e21e
LW		 700
701 if (MAXARG < 1)
702 RETPUSHUNDEF;
16fe6d59
GS		 703 if (MAXARG > 1)
704 discp = POPs;
a0d0e21e 705
4592e6ca
NIS		 706 gv = (GV*)POPs;
707
708 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
709 PUSHMARK(SP);
710 XPUSHs(SvTIED_obj((SV*)gv, mg));
16fe6d59
GS		 711 if (discp)
712 XPUSHs(discp);
4592e6ca
NIS		 713 PUTBACK;
714 ENTER;
864dbfa3 715 call_method("BINMODE", G_SCALAR);
4592e6ca
NIS		 716 LEAVE;
717 SPAGAIN;
718 RETURN;
719 }
a0d0e21e
LW		 720
721 EXTEND(SP, 1);
722 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
55497cff 723 RETPUSHUNDEF;
a0d0e21e 724
16fe6d59 725 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
a0d0e21e
LW		 726 RETPUSHYES;
727 else
728 RETPUSHUNDEF;
a0d0e21e
LW		 729}
730
731PP(pp_tie)
732{
4e35701f 733 djSP;
e336de0d 734 dMARK;
a0d0e21e
LW		 735 SV *varsv;
736 HV* stash;
737 GV *gv;
a0d0e21e 738 SV *sv;
3280af22 739 I32 markoff = MARK - PL_stack_base;
a0d0e21e 740 char *methname;
6b05c17a 741 int how = 'P';
e336de0d 742 U32 items;
2d8e6c8d 743 STRLEN n_a;
a0d0e21e 744
e336de0d 745 varsv = *++MARK;
6b05c17a
NIS		 746 switch(SvTYPE(varsv)) {
747 case SVt_PVHV:
748 methname = "TIEHASH";
749 break;
750 case SVt_PVAV:
751 methname = "TIEARRAY";
752 break;
753 case SVt_PVGV:
754 methname = "TIEHANDLE";
755 how = 'q';
756 break;
757 default:
758 methname = "TIESCALAR";
759 how = 'q';
760 break;
761 }
e336de0d
GS		 762 items = SP - MARK++;
763 if (sv_isobject(*MARK)) {
6b05c17a 764 ENTER;
e788e7d3 765 PUSHSTACKi(PERLSI_MAGIC);
e336de0d
GS		 766 PUSHMARK(SP);
767 EXTEND(SP,items);
768 while (items--)
769 PUSHs(*MARK++);
770 PUTBACK;
864dbfa3 771 call_method(methname, G_SCALAR);
6b05c17a
NIS		 772 }
773 else {
864dbfa3 774 /* Not clear why we don't call call_method here too.
6b05c17a
NIS		 775 * perhaps to get different error message ?
776 */
e336de0d 777 stash = gv_stashsv(*MARK, FALSE);
6b05c17a 778 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
cea2e8a9 779 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
2d8e6c8d 780 methname, SvPV(*MARK,n_a));
6b05c17a
NIS		 781 }
782 ENTER;
e788e7d3 783 PUSHSTACKi(PERLSI_MAGIC);
e336de0d
GS		 784 PUSHMARK(SP);
785 EXTEND(SP,items);
786 while (items--)
787 PUSHs(*MARK++);
788 PUTBACK;
864dbfa3 789 call_sv((SV*)GvCV(gv), G_SCALAR);
6b05c17a 790 }
a0d0e21e
LW		 791 SPAGAIN;
792
793 sv = TOPs;
d3acc0f7 794 POPSTACK;
a0d0e21e 795 if (sv_isobject(sv)) {
33c27489
GS		 796 sv_unmagic(varsv, how);
797 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
a0d0e21e
LW		 798 }
799 LEAVE;
3280af22 800 SP = PL_stack_base + markoff;
a0d0e21e
LW		 801 PUSHs(sv);
802 RETURN;
803}
804
805PP(pp_untie)
806{
4e35701f 807 djSP;
33c27489
GS		 808 SV *sv = POPs;
809 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
55497cff 810
599cee73 811 if (ckWARN(WARN_UNTIE)) {
cbdc8872 812 MAGIC * mg ;
155aba94 813 if ((mg = SvTIED_mg(sv, how))) {
b9c39e73 814 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
cf2093f6 815 Perl_warner(aTHX_ WARN_UNTIE,
146174a9 816 "untie attempted while %"UVuf" inner references still exist",
cf2093f6 817 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
cbdc8872 818 }
819 }
820
33c27489 821 sv_unmagic(sv, how);
55497cff 822 RETPUSHYES;
a0d0e21e
LW		 823}
824
c07a80fd 825PP(pp_tied)
826{
4e35701f 827 djSP;
33c27489
GS		 828 SV *sv = POPs;
829 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
830 MAGIC *mg;
c07a80fd 831
155aba94 832 if ((mg = SvTIED_mg(sv, how))) {
33c27489
GS		 833 SV *osv = SvTIED_obj(sv, mg);
834 if (osv == mg->mg_obj)
835 osv = sv_mortalcopy(osv);
836 PUSHs(osv);
837 RETURN;
c07a80fd 838 }
c07a80fd 839 RETPUSHUNDEF;
840}
841
a0d0e21e
LW		 842PP(pp_dbmopen)
843{
4e35701f 844 djSP;
a0d0e21e
LW		 845 HV *hv;
846 dPOPPOPssrl;
847 HV* stash;
848 GV *gv;
a0d0e21e
LW		 849 SV *sv;
850
851 hv = (HV*)POPs;
852
3280af22 853 sv = sv_mortalcopy(&PL_sv_no);
a0d0e21e
LW		 854 sv_setpv(sv, "AnyDBM_File");
855 stash = gv_stashsv(sv, FALSE);
8ebc5c01 856 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
a0d0e21e 857 PUTBACK;
864dbfa3 858 require_pv("AnyDBM_File.pm");
a0d0e21e 859 SPAGAIN;
8ebc5c01 860 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
cea2e8a9 861 DIE(aTHX_ "No dbm on this machine");
a0d0e21e
LW		 862 }
863
57d3b86d 864 ENTER;
924508f0 865 PUSHMARK(SP);
6b05c17a 866
924508f0 867 EXTEND(SP, 5);
a0d0e21e
LW		 868 PUSHs(sv);
869 PUSHs(left);
870 if (SvIV(right))
b448e4fe 871 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
a0d0e21e 872 else
b448e4fe 873 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
a0d0e21e 874 PUSHs(right);
57d3b86d 875 PUTBACK;
864dbfa3 876 call_sv((SV*)GvCV(gv), G_SCALAR);
a0d0e21e
LW		 877 SPAGAIN;
878
879 if (!sv_isobject(TOPs)) {
924508f0
GS		 880 SP--;
881 PUSHMARK(SP);
a0d0e21e
LW		 882 PUSHs(sv);
883 PUSHs(left);
b448e4fe 884 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
a0d0e21e 885 PUSHs(right);
a0d0e21e 886 PUTBACK;
864dbfa3 887 call_sv((SV*)GvCV(gv), G_SCALAR);
a0d0e21e
LW		 888 SPAGAIN;
889 }
890
6b05c17a
NIS		 891 if (sv_isobject(TOPs)) {
892 sv_unmagic((SV *) hv, 'P');
a0d0e21e 893 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
6b05c17a 894 }
a0d0e21e
LW		 895 LEAVE;
896 RETURN;
897}
898
899PP(pp_dbmclose)
900{
cea2e8a9 901 return pp_untie();
a0d0e21e
LW		 902}
903
904PP(pp_sselect)
905{
4e35701f 906 djSP; dTARGET;
a0d0e21e
LW		 907#ifdef HAS_SELECT
908 register I32 i;
909 register I32 j;
910 register char *s;
911 register SV *sv;
65202027 912 NV value;
a0d0e21e
LW		 913 I32 maxlen = 0;
914 I32 nfound;
915 struct timeval timebuf;
916 struct timeval *tbuf = &timebuf;
917 I32 growsize;
918 char *fd_sets[4];
2d8e6c8d 919 STRLEN n_a;
a0d0e21e
LW		 920#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
921 I32 masksize;
922 I32 offset;
923 I32 k;
924
925# if BYTEORDER & 0xf0000
926# define ORDERBYTE (0x88888888 - BYTEORDER)
927# else
928# define ORDERBYTE (0x4444 - BYTEORDER)
929# endif
930
931#endif
932
933 SP -= 4;
934 for (i = 1; i <= 3; i++) {
935 if (!SvPOK(SP[i]))
936 continue;
937 j = SvCUR(SP[i]);
938 if (maxlen < j)
939 maxlen = j;
940 }
941
5ff3f7a4 942/* little endians can use vecs directly */
a0d0e21e 943#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
5ff3f7a4 944# if SELECT_MIN_BITS > 1
f2da832e
JH		 945 /* If SELECT_MIN_BITS is greater than one we most probably will want
946 * to align the sizes with SELECT_MIN_BITS/8 because for example
947 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
f556e5b9 948 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
8f1f23e8 949 * on (sets/tests/clears bits) is 32 bits. */
f2da832e 950 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
5ff3f7a4 951# else
4633a7c4 952 growsize = sizeof(fd_set);
5ff3f7a4
GS		 953# endif
954# else
955# ifdef NFDBITS
a0d0e21e 956
5ff3f7a4
GS		 957# ifndef NBBY
958# define NBBY 8
959# endif
a0d0e21e
LW		 960
961 masksize = NFDBITS / NBBY;
5ff3f7a4 962# else
a0d0e21e 963 masksize = sizeof(long); /* documented int, everyone seems to use long */
5ff3f7a4 964# endif
a0d0e21e
LW		 965 growsize = maxlen + (masksize - (maxlen % masksize));
966 Zero(&fd_sets[0], 4, char*);
967#endif
968
969 sv = SP[4];
970 if (SvOK(sv)) {
971 value = SvNV(sv);
972 if (value < 0.0)
973 value = 0.0;
974 timebuf.tv_sec = (long)value;
65202027 975 value -= (NV)timebuf.tv_sec;
a0d0e21e
LW		 976 timebuf.tv_usec = (long)(value * 1000000.0);
977 }
978 else
979 tbuf = Null(struct timeval*);
980
981 for (i = 1; i <= 3; i++) {
982 sv = SP[i];
983 if (!SvOK(sv)) {
984 fd_sets[i] = 0;
985 continue;
986 }
987 else if (!SvPOK(sv))
2d8e6c8d 988 SvPV_force(sv,n_a); /* force string conversion */
a0d0e21e
LW		 989 j = SvLEN(sv);
990 if (j < growsize) {
991 Sv_Grow(sv, growsize);
a0d0e21e 992 }
c07a80fd 993 j = SvCUR(sv);
994 s = SvPVX(sv) + j;
995 while (++j <= growsize) {
996 *s++ = '\0';
997 }
998
a0d0e21e
LW		 999#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1000 s = SvPVX(sv);
1001 New(403, fd_sets[i], growsize, char);
1002 for (offset = 0; offset < growsize; offset += masksize) {
1003 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1004 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1005 }
1006#else
1007 fd_sets[i] = SvPVX(sv);
1008#endif
1009 }
1010
6ad3d225 1011 nfound = PerlSock_select(
a0d0e21e
LW		 1012 maxlen * 8,
1013 (Select_fd_set_t) fd_sets[1],
1014 (Select_fd_set_t) fd_sets[2],
1015 (Select_fd_set_t) fd_sets[3],
1016 tbuf);
1017 for (i = 1; i <= 3; i++) {
1018 if (fd_sets[i]) {
1019 sv = SP[i];
1020#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1021 s = SvPVX(sv);
1022 for (offset = 0; offset < growsize; offset += masksize) {
1023 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1024 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1025 }
1026 Safefree(fd_sets[i]);
1027#endif
1028 SvSETMAGIC(sv);
1029 }
1030 }
1031
1032 PUSHi(nfound);
1033 if (GIMME == G_ARRAY && tbuf) {
65202027
DS		 1034 value = (NV)(timebuf.tv_sec) +
1035 (NV)(timebuf.tv_usec) / 1000000.0;
3280af22 1036 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 1037 sv_setnv(sv, value);
1038 }
1039 RETURN;
1040#else
cea2e8a9 1041 DIE(aTHX_ "select not implemented");
a0d0e21e
LW		 1042#endif
1043}
1044
4633a7c4 1045void
864dbfa3 1046Perl_setdefout(pTHX_ GV *gv)
4633a7c4 1047{
11343788 1048 dTHR;
4633a7c4
LW		 1049 if (gv)
1050 (void)SvREFCNT_inc(gv);
3280af22
NIS		 1051 if (PL_defoutgv)
1052 SvREFCNT_dec(PL_defoutgv);
1053 PL_defoutgv = gv;
4633a7c4
LW		 1054}
1055
a0d0e21e
LW		 1056PP(pp_select)
1057{
4e35701f 1058 djSP; dTARGET;
4633a7c4
LW		 1059 GV *newdefout, *egv;
1060 HV *hv;
1061
533c011a 1062 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
4633a7c4 1063
3280af22 1064 egv = GvEGV(PL_defoutgv);
4633a7c4 1065 if (!egv)
3280af22 1066 egv = PL_defoutgv;
4633a7c4
LW		 1067 hv = GvSTASH(egv);
1068 if (! hv)
3280af22 1069 XPUSHs(&PL_sv_undef);
4633a7c4 1070 else {
cbdc8872 1071 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
f86702cc 1072 if (gvp && *gvp == egv) {
43693395 1073 gv_efullname4(TARG, PL_defoutgv, Nullch, FALSE);
f86702cc 1074 XPUSHTARG;
1075 }
1076 else {
1077 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1078 }
4633a7c4
LW		 1079 }
1080
1081 if (newdefout) {
ded8aa31
GS		 1082 if (!GvIO(newdefout))
1083 gv_IOadd(newdefout);
4633a7c4
LW		 1084 setdefout(newdefout);
1085 }
1086
a0d0e21e
LW		 1087 RETURN;
1088}
1089
1090PP(pp_getc)
1091{
4e35701f 1092 djSP; dTARGET;
a0d0e21e 1093 GV *gv;
2ae324a7 1094 MAGIC *mg;
a0d0e21e 1095
32da55ab 1096 if (MAXARG == 0)
3280af22 1097 gv = PL_stdingv;
a0d0e21e
LW		 1098 else
1099 gv = (GV*)POPs;
2ae324a7 1100
155aba94 1101 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
54310121 1102 I32 gimme = GIMME_V;
2ae324a7 1103 PUSHMARK(SP);
33c27489 1104 XPUSHs(SvTIED_obj((SV*)gv, mg));
2ae324a7 1105 PUTBACK;
1106 ENTER;
864dbfa3 1107 call_method("GETC", gimme);
2ae324a7 1108 LEAVE;
1109 SPAGAIN;
54310121 1110 if (gimme == G_SCALAR)
1111 SvSetMagicSV_nosteal(TARG, TOPs);
2ae324a7 1112 RETURN;
1113 }
9bc64814 1114 if (!gv || do_eof(gv)) /* make sure we have fp with something */
a0d0e21e 1115 RETPUSHUNDEF;
bbce6d69 1116 TAINT;
a0d0e21e 1117 sv_setpv(TARG, " ");
9bc64814 1118 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
a0d0e21e
LW		 1119 PUSHTARG;
1120 RETURN;
1121}
1122
1123PP(pp_read)
1124{
cea2e8a9 1125 return pp_sysread();
a0d0e21e
LW		 1126}
1127
76e3520e 1128STATIC OP *
cea2e8a9 1129S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
a0d0e21e 1130{
11343788 1131 dTHR;
c09156bb 1132 register PERL_CONTEXT *cx;
54310121 1133 I32 gimme = GIMME_V;
a0d0e21e
LW		 1134 AV* padlist = CvPADLIST(cv);
1135 SV** svp = AvARRAY(padlist);
1136
1137 ENTER;
1138 SAVETMPS;
1139
1140 push_return(retop);
146174a9 1141 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
a0d0e21e 1142 PUSHFORMAT(cx);
146174a9 1143 SAVEVPTR(PL_curpad);
3280af22 1144 PL_curpad = AvARRAY((AV*)svp[1]);
a0d0e21e 1145
4633a7c4 1146 setdefout(gv); /* locally select filehandle so $% et al work */
a0d0e21e
LW		 1147 return CvSTART(cv);
1148}
1149
1150PP(pp_enterwrite)
1151{
4e35701f 1152 djSP;
a0d0e21e
LW		 1153 register GV *gv;
1154 register IO *io;
1155 GV *fgv;
1156 CV *cv;
1157
1158 if (MAXARG == 0)
3280af22 1159 gv = PL_defoutgv;
a0d0e21e
LW		 1160 else {
1161 gv = (GV*)POPs;
1162 if (!gv)
3280af22 1163 gv = PL_defoutgv;
a0d0e21e
LW		 1164 }
1165 EXTEND(SP, 1);
1166 io = GvIO(gv);
1167 if (!io) {
1168 RETPUSHNO;
1169 }
1170 if (IoFMT_GV(io))
1171 fgv = IoFMT_GV(io);
1172 else
1173 fgv = gv;
1174
1175 cv = GvFORM(fgv);
a0d0e21e
LW		 1176 if (!cv) {
1177 if (fgv) {
748a9306 1178 SV *tmpsv = sv_newmortal();
43693395 1179 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
cea2e8a9 1180 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
a0d0e21e 1181 }
cea2e8a9 1182 DIE(aTHX_ "Not a format reference");
a0d0e21e 1183 }
44a8e56a 1184 if (CvCLONE(cv))
1185 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
a0d0e21e 1186
44a8e56a 1187 IoFLAGS(io) &= ~IOf_DIDTOP;
533c011a 1188 return doform(cv,gv,PL_op->op_next);
a0d0e21e
LW		 1189}
1190
1191PP(pp_leavewrite)
1192{
4e35701f 1193 djSP;
a0d0e21e
LW		 1194 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1195 register IO *io = GvIOp(gv);
760ac839
LW		 1196 PerlIO *ofp = IoOFP(io);
1197 PerlIO *fp;
a0d0e21e
LW		 1198 SV **newsp;
1199 I32 gimme;
c09156bb 1200 register PERL_CONTEXT *cx;
a0d0e21e 1201
760ac839 1202 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
3280af22
NIS		 1203 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1204 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1205 PL_formtarget != PL_toptarget)
a0d0e21e 1206 {
4633a7c4
LW		 1207 GV *fgv;
1208 CV *cv;
a0d0e21e
LW		 1209 if (!IoTOP_GV(io)) {
1210 GV *topgv;
46fc3d4c 1211 SV *topname;
a0d0e21e
LW		 1212
1213 if (!IoTOP_NAME(io)) {
1214 if (!IoFMT_NAME(io))
1215 IoFMT_NAME(io) = savepv(GvNAME(gv));
cea2e8a9 1216 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
46fc3d4c 1217 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
748a9306 1218 if ((topgv && GvFORM(topgv)) ||
a0d0e21e 1219 !gv_fetchpv("top",FALSE,SVt_PVFM))
46fc3d4c 1220 IoTOP_NAME(io) = savepv(SvPVX(topname));
a0d0e21e
LW		 1221 else
1222 IoTOP_NAME(io) = savepv("top");
1223 }
1224 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1225 if (!topgv || !GvFORM(topgv)) {
1226 IoLINES_LEFT(io) = 100000000;
1227 goto forget_top;
1228 }
1229 IoTOP_GV(io) = topgv;
1230 }
748a9306
LW		 1231 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1232 I32 lines = IoLINES_LEFT(io);
3280af22 1233 char *s = SvPVX(PL_formtarget);
8e07c86e
AD		 1234 if (lines <= 0) /* Yow, header didn't even fit!!! */
1235 goto forget_top;
748a9306
LW		 1236 while (lines-- > 0) {
1237 s = strchr(s, '\n');
1238 if (!s)
1239 break;
1240 s++;
1241 }
1242 if (s) {
3280af22
NIS		 1243 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1244 sv_chop(PL_formtarget, s);
1245 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
748a9306
LW		 1246 }
1247 }
a0d0e21e 1248 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
3280af22 1249 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
a0d0e21e
LW		 1250 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1251 IoPAGE(io)++;
3280af22 1252 PL_formtarget = PL_toptarget;
748a9306 1253 IoFLAGS(io) |= IOf_DIDTOP;
4633a7c4
LW		 1254 fgv = IoTOP_GV(io);
1255 if (!fgv)
cea2e8a9 1256 DIE(aTHX_ "bad top format reference");
4633a7c4
LW		 1257 cv = GvFORM(fgv);
1258 if (!cv) {
1259 SV *tmpsv = sv_newmortal();
43693395 1260 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
cea2e8a9 1261 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
4633a7c4 1262 }
44a8e56a 1263 if (CvCLONE(cv))
1264 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
533c011a 1265 return doform(cv,gv,PL_op);
a0d0e21e
LW		 1266 }
1267
1268 forget_top:
3280af22 1269 POPBLOCK(cx,PL_curpm);
a0d0e21e
LW		 1270 POPFORMAT(cx);
1271 LEAVE;
1272
1273 fp = IoOFP(io);
1274 if (!fp) {
599cee73 1275 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
cb50131a
CB		 1276 if (IoIFP(io)) {
1277 SV* sv = sv_newmortal();
43693395 1278 gv_efullname4(sv, gv, Nullch, FALSE);
af8c498a
GS		 1279 Perl_warner(aTHX_ WARN_IO,
1280 "Filehandle %s opened only for input",
1281 SvPV_nolen(sv));
cb50131a 1282 }
599cee73 1283 else if (ckWARN(WARN_CLOSED))
bc37a18f 1284 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 1285 }
3280af22 1286 PUSHs(&PL_sv_no);
a0d0e21e
LW		 1287 }
1288 else {
3280af22 1289 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
599cee73 1290 if (ckWARN(WARN_IO))
cea2e8a9 1291 Perl_warner(aTHX_ WARN_IO, "page overflow");
a0d0e21e 1292 }
3280af22 1293 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
760ac839 1294 PerlIO_error(fp))
3280af22 1295 PUSHs(&PL_sv_no);
a0d0e21e 1296 else {
3280af22
NIS		 1297 FmLINES(PL_formtarget) = 0;
1298 SvCUR_set(PL_formtarget, 0);
1299 *SvEND(PL_formtarget) = '\0';
a0d0e21e 1300 if (IoFLAGS(io) & IOf_FLUSH)
760ac839 1301 (void)PerlIO_flush(fp);
3280af22 1302 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 1303 }
1304 }
3280af22 1305 PL_formtarget = PL_bodytarget;
a0d0e21e
LW		 1306 PUTBACK;
1307 return pop_return();
1308}
1309
1310PP(pp_prtf)
1311{
4e35701f 1312 djSP; dMARK; dORIGMARK;
a0d0e21e
LW		 1313 GV *gv;
1314 IO *io;
760ac839 1315 PerlIO *fp;
26db47c4 1316 SV *sv;
46fc3d4c 1317 MAGIC *mg;
2d8e6c8d 1318 STRLEN n_a;
a0d0e21e 1319
533c011a 1320 if (PL_op->op_flags & OPf_STACKED)
a0d0e21e
LW		 1321 gv = (GV*)*++MARK;
1322 else
3280af22 1323 gv = PL_defoutgv;
46fc3d4c 1324
155aba94 1325 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
46fc3d4c 1326 if (MARK == ORIGMARK) {
4352c267 1327 MEXTEND(SP, 1);
46fc3d4c 1328 ++MARK;
1329 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1330 ++SP;
1331 }
1332 PUSHMARK(MARK - 1);
33c27489 1333 *MARK = SvTIED_obj((SV*)gv, mg);
46fc3d4c 1334 PUTBACK;
1335 ENTER;
864dbfa3 1336 call_method("PRINTF", G_SCALAR);
46fc3d4c 1337 LEAVE;
1338 SPAGAIN;
1339 MARK = ORIGMARK + 1;
1340 *MARK = *SP;
1341 SP = MARK;
1342 RETURN;
1343 }
1344
26db47c4 1345 sv = NEWSV(0,0);
a0d0e21e 1346 if (!(io = GvIO(gv))) {
599cee73 1347 if (ckWARN(WARN_UNOPENED)) {
43693395 1348 gv_efullname4(sv, gv, Nullch, FALSE);
af8c498a
GS		 1349 Perl_warner(aTHX_ WARN_UNOPENED,
1350 "Filehandle %s never opened", SvPV(sv,n_a));
748a9306
LW		 1351 }
1352 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 1353 goto just_say_no;
1354 }
1355 else if (!(fp = IoOFP(io))) {
599cee73 1356 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
cb50131a 1357 if (IoIFP(io)) {
43693395 1358 gv_efullname4(sv, gv, Nullch, FALSE);
af8c498a
GS		 1359 Perl_warner(aTHX_ WARN_IO,
1360 "Filehandle %s opened only for input",
1361 SvPV(sv,n_a));
cb50131a 1362 }
599cee73 1363 else if (ckWARN(WARN_CLOSED))
bc37a18f 1364 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 1365 }
748a9306 1366 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
a0d0e21e
LW		 1367 goto just_say_no;
1368 }
1369 else {
1370 do_sprintf(sv, SP - MARK, MARK + 1);
1371 if (!do_print(sv, fp))
1372 goto just_say_no;
1373
1374 if (IoFLAGS(io) & IOf_FLUSH)
760ac839 1375 if (PerlIO_flush(fp) == EOF)
a0d0e21e
LW		 1376 goto just_say_no;
1377 }
1378 SvREFCNT_dec(sv);
1379 SP = ORIGMARK;
3280af22 1380 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 1381 RETURN;
1382
1383 just_say_no:
1384 SvREFCNT_dec(sv);
1385 SP = ORIGMARK;
3280af22 1386 PUSHs(&PL_sv_undef);
a0d0e21e
LW		 1387 RETURN;
1388}
1389
c07a80fd 1390PP(pp_sysopen)
1391{
4e35701f 1392 djSP;
c07a80fd 1393 GV *gv;
c07a80fd 1394 SV *sv;
1395 char *tmps;
1396 STRLEN len;
1397 int mode, perm;
1398
1399 if (MAXARG > 3)
1400 perm = POPi;
1401 else
1402 perm = 0666;
1403 mode = POPi;
1404 sv = POPs;
1405 gv = (GV *)POPs;
1406
4592e6ca
NIS		 1407 /* Need TIEHANDLE method ? */
1408
c07a80fd 1409 tmps = SvPV(sv, len);
1410 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1411 IoLINES(GvIOp(gv)) = 0;
3280af22 1412 PUSHs(&PL_sv_yes);
c07a80fd 1413 }
1414 else {
3280af22 1415 PUSHs(&PL_sv_undef);
c07a80fd 1416 }
1417 RETURN;
1418}
1419
a0d0e21e
LW		 1420PP(pp_sysread)
1421{
4e35701f 1422 djSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e
LW		 1423 int offset;
1424 GV *gv;
1425 IO *io;
1426 char *buffer;
5b54f415 1427 SSize_t length;
1e422769 1428 Sock_size_t bufsize;
748a9306 1429 SV *bufsv;
a0d0e21e 1430 STRLEN blen;
2ae324a7 1431 MAGIC *mg;
a0d0e21e
LW		 1432
1433 gv = (GV*)*++MARK;
533c011a 1434 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
33c27489 1435 (mg = SvTIED_mg((SV*)gv, 'q')))
137443ea 1436 {
2ae324a7 1437 SV *sv;
1438
1439 PUSHMARK(MARK-1);
33c27489 1440 *MARK = SvTIED_obj((SV*)gv, mg);
2ae324a7 1441 ENTER;
864dbfa3 1442 call_method("READ", G_SCALAR);
2ae324a7 1443 LEAVE;
1444 SPAGAIN;
1445 sv = POPs;
1446 SP = ORIGMARK;
1447 PUSHs(sv);
1448 RETURN;
1449 }
1450
a0d0e21e
LW		 1451 if (!gv)
1452 goto say_undef;
748a9306 1453 bufsv = *++MARK;
ff68c719 1454 if (! SvOK(bufsv))
1455 sv_setpvn(bufsv, "", 0);
748a9306 1456 buffer = SvPV_force(bufsv, blen);
a0d0e21e
LW		 1457 length = SvIVx(*++MARK);
1458 if (length < 0)
cea2e8a9 1459 DIE(aTHX_ "Negative length");
748a9306 1460 SETERRNO(0,0);
a0d0e21e
LW		 1461 if (MARK < SP)
1462 offset = SvIVx(*++MARK);
1463 else
1464 offset = 0;
1465 io = GvIO(gv);
1466 if (!io || !IoIFP(io))
1467 goto say_undef;
1468#ifdef HAS_SOCKET
533c011a 1469 if (PL_op->op_type == OP_RECV) {
46fc3d4c 1470 char namebuf[MAXPATHLEN];
eec2d3df 1471#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
490ab354
JH		 1472 bufsize = sizeof (struct sockaddr_in);
1473#else
46fc3d4c 1474 bufsize = sizeof namebuf;
490ab354 1475#endif
abf95952
IZ		 1476#ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1477 if (bufsize >= 256)
1478 bufsize = 255;
1479#endif
626727d5
GS		 1480#ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1481 if (bufsize >= 256)
1482 bufsize = 255;
1483#endif
748a9306 1484 buffer = SvGROW(bufsv, length+1);
bbce6d69 1485 /* 'offset' means 'flags' here */
6ad3d225 1486 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
46fc3d4c 1487 (struct sockaddr *)namebuf, &bufsize);
a0d0e21e
LW		 1488 if (length < 0)
1489 RETPUSHUNDEF;
748a9306
LW		 1490 SvCUR_set(bufsv, length);
1491 *SvEND(bufsv) = '\0';
1492 (void)SvPOK_only(bufsv);
1493 SvSETMAGIC(bufsv);
aac0dd9a 1494 /* This should not be marked tainted if the fp is marked clean */
bbce6d69 1495 if (!(IoFLAGS(io) & IOf_UNTAINT))
1496 SvTAINTED_on(bufsv);
a0d0e21e 1497 SP = ORIGMARK;
46fc3d4c 1498 sv_setpvn(TARG, namebuf, bufsize);
a0d0e21e
LW		 1499 PUSHs(TARG);
1500 RETURN;
1501 }
1502#else
911d147d 1503 if (PL_op->op_type == OP_RECV)
cea2e8a9 1504 DIE(aTHX_ PL_no_sock_func, "recv");
a0d0e21e 1505#endif
bbce6d69 1506 if (offset < 0) {
1507 if (-offset > blen)
cea2e8a9 1508 DIE(aTHX_ "Offset outside string");
bbce6d69 1509 offset += blen;
1510 }
cd52b7b2 1511 bufsize = SvCUR(bufsv);
748a9306 1512 buffer = SvGROW(bufsv, length+offset+1);
cd52b7b2 1513 if (offset > bufsize) { /* Zero any newly allocated space */
1514 Zero(buffer+bufsize, offset-bufsize, char);
1515 }
533c011a 1516 if (PL_op->op_type == OP_SYSREAD) {
a7092146
GS		 1517#ifdef PERL_SOCK_SYSREAD_IS_RECV
1518 if (IoTYPE(io) == 's') {
1519 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1520 buffer+offset, length, 0);
1521 }
1522 else
1523#endif
1524 {
1525 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1526 buffer+offset, length);
1527 }
a0d0e21e
LW		 1528 }
1529 else
1530#ifdef HAS_SOCKET__bad_code_maybe
1531 if (IoTYPE(io) == 's') {
46fc3d4c 1532 char namebuf[MAXPATHLEN];
490ab354
JH		 1533#if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1534 bufsize = sizeof (struct sockaddr_in);
1535#else
46fc3d4c 1536 bufsize = sizeof namebuf;
490ab354 1537#endif
6ad3d225 1538 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
46fc3d4c 1539 (struct sockaddr *)namebuf, &bufsize);
a0d0e21e
LW		 1540 }
1541 else
1542#endif
3b02c43c 1543 {
760ac839 1544 length = PerlIO_read(IoIFP(io), buffer+offset, length);
3b02c43c 1545 /* fread() returns 0 on both error and EOF */
5c7a8c78 1546 if (length == 0 && PerlIO_error(IoIFP(io)))
3b02c43c
GS		 1547 length = -1;
1548 }
af8c498a 1549 if (length < 0) {
c529f79d
CB		 1550 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1551 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
af8c498a
GS		 1552 {
1553 SV* sv = sv_newmortal();
43693395 1554 gv_efullname4(sv, gv, Nullch, FALSE);
af8c498a
GS		 1555 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1556 SvPV_nolen(sv));
1557 }
a0d0e21e 1558 goto say_undef;
af8c498a 1559 }
748a9306
LW		 1560 SvCUR_set(bufsv, length+offset);
1561 *SvEND(bufsv) = '\0';
1562 (void)SvPOK_only(bufsv);
1563 SvSETMAGIC(bufsv);
aac0dd9a 1564 /* This should not be marked tainted if the fp is marked clean */
bbce6d69 1565 if (!(IoFLAGS(io) & IOf_UNTAINT))
1566 SvTAINTED_on(bufsv);
a0d0e21e
LW		 1567 SP = ORIGMARK;
1568 PUSHi(length);
1569 RETURN;
1570
1571 say_undef:
1572 SP = ORIGMARK;
1573 RETPUSHUNDEF;
1574}
1575
1576PP(pp_syswrite)
1577{
092bebab
JH		 1578 djSP;
1579 int items = (SP - PL_stack_base) - TOPMARK;
1580 if (items == 2) {
9f089d78 1581 SV *sv;
092bebab 1582 EXTEND(SP, 1);
9f089d78
SB		 1583 sv = sv_2mortal(newSViv(sv_len(*SP)));
1584 PUSHs(sv);
092bebab
JH		 1585 PUTBACK;
1586 }
cea2e8a9 1587 return pp_send();
a0d0e21e
LW		 1588}
1589
1590PP(pp_send)
1591{
4e35701f 1592 djSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e
LW		 1593 GV *gv;
1594 IO *io;
748a9306 1595 SV *bufsv;
a0d0e21e 1596 char *buffer;
8c99d73e
GS		 1597 Size_t length;
1598 SSize_t retval;
1599 IV offset;
a0d0e21e 1600 STRLEN blen;
1d603a67 1601 MAGIC *mg;
a0d0e21e
LW		 1602
1603 gv = (GV*)*++MARK;
33c27489 1604 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1d603a67
GB		 1605 SV *sv;
1606
1607 PUSHMARK(MARK-1);
33c27489 1608 *MARK = SvTIED_obj((SV*)gv, mg);
1d603a67 1609 ENTER;
864dbfa3 1610 call_method("WRITE", G_SCALAR);
1d603a67
GB		 1611 LEAVE;
1612 SPAGAIN;
1613 sv = POPs;
1614 SP = ORIGMARK;
1615 PUSHs(sv);
1616 RETURN;
1617 }
a0d0e21e
LW		 1618 if (!gv)
1619 goto say_undef;
748a9306
LW		 1620 bufsv = *++MARK;
1621 buffer = SvPV(bufsv, blen);
8c99d73e 1622#if Size_t_size > IVSIZE
3c001241 1623 length = (Size_t)SvNVx(*++MARK);
146174a9 1624#else
3c001241 1625 length = (Size_t)SvIVx(*++MARK);
146174a9 1626#endif
3c001241 1627 if ((SSize_t)length < 0)
cea2e8a9 1628 DIE(aTHX_ "Negative length");
748a9306 1629 SETERRNO(0,0);
a0d0e21e
LW		 1630 io = GvIO(gv);
1631 if (!io || !IoIFP(io)) {
8c99d73e 1632 retval = -1;
bc37a18f
RG		 1633 if (ckWARN(WARN_CLOSED))
1634 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 1635 }
533c011a 1636 else if (PL_op->op_type == OP_SYSWRITE) {
bbce6d69 1637 if (MARK < SP) {
a0d0e21e 1638 offset = SvIVx(*++MARK);
bbce6d69 1639 if (offset < 0) {
1640 if (-offset > blen)
cea2e8a9 1641 DIE(aTHX_ "Offset outside string");
bbce6d69 1642 offset += blen;
fb73857a 1643 } else if (offset >= blen && blen > 0)
cea2e8a9 1644 DIE(aTHX_ "Offset outside string");
bbce6d69 1645 } else
a0d0e21e
LW		 1646 offset = 0;
1647 if (length > blen - offset)
1648 length = blen - offset;
a7092146
GS		 1649#ifdef PERL_SOCK_SYSWRITE_IS_SEND
1650 if (IoTYPE(io) == 's') {
8c99d73e 1651 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
a7092146
GS		 1652 buffer+offset, length, 0);
1653 }
1654 else
1655#endif
1656 {
94e4c244 1657 /* See the note at doio.c:do_print about filesize limits. --jhi */
8c99d73e 1658 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
a7092146
GS		 1659 buffer+offset, length);
1660 }
a0d0e21e
LW		 1661 }
1662#ifdef HAS_SOCKET
1663 else if (SP > MARK) {
1664 char *sockbuf;
1665 STRLEN mlen;
1666 sockbuf = SvPVx(*++MARK, mlen);
8c99d73e
GS		 1667 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1668 length, (struct sockaddr *)sockbuf, mlen);
a0d0e21e
LW		 1669 }
1670 else
8c99d73e 1671 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
490ab354 1672
a0d0e21e
LW		 1673#else
1674 else
cea2e8a9 1675 DIE(aTHX_ PL_no_sock_func, "send");
a0d0e21e 1676#endif
8c99d73e 1677 if (retval < 0)
a0d0e21e
LW		 1678 goto say_undef;
1679 SP = ORIGMARK;
8c99d73e
GS		 1680#if Size_t_size > IVSIZE
1681 PUSHn(retval);
1682#else
1683 PUSHi(retval);
1684#endif
a0d0e21e
LW		 1685 RETURN;
1686
1687 say_undef:
1688 SP = ORIGMARK;
1689 RETPUSHUNDEF;
1690}
1691
1692PP(pp_recv)
1693{
cea2e8a9 1694 return pp_sysread();
a0d0e21e
LW		 1695}
1696
1697PP(pp_eof)
1698{
4e35701f 1699 djSP;
a0d0e21e 1700 GV *gv;
4592e6ca 1701 MAGIC *mg;
a0d0e21e 1702
32da55ab 1703 if (MAXARG == 0) {
146174a9
CB		 1704 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1705 IO *io;
1706 gv = PL_last_in_gv = PL_argvgv;
1707 io = GvIO(gv);
1708 if (io && !IoIFP(io)) {
1709 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1710 IoLINES(io) = 0;
1711 IoFLAGS(io) &= ~IOf_START;
1712 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1713 sv_setpvn(GvSV(gv), "-", 1);
1714 SvSETMAGIC(GvSV(gv));
1715 }
1716 else if (!nextargv(gv))
1717 RETPUSHYES;
1718 }
1719 }
1720 else
1721 gv = PL_last_in_gv; /* eof */
1722 }
a0d0e21e 1723 else
146174a9 1724 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
4592e6ca
NIS		 1725
1726 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1727 PUSHMARK(SP);
1728 XPUSHs(SvTIED_obj((SV*)gv, mg));
1729 PUTBACK;
1730 ENTER;
864dbfa3 1731 call_method("EOF", G_SCALAR);
4592e6ca
NIS		 1732 LEAVE;
1733 SPAGAIN;
1734 RETURN;
1735 }
1736
54310121 1737 PUSHs(boolSV(!gv || do_eof(gv)));
a0d0e21e
LW		 1738 RETURN;
1739}
1740
1741PP(pp_tell)
1742{
4e35701f 1743 djSP; dTARGET;
4592e6ca
NIS		 1744 GV *gv;
1745 MAGIC *mg;
a0d0e21e 1746
32da55ab 1747 if (MAXARG == 0)
3280af22 1748 gv = PL_last_in_gv;
a0d0e21e 1749 else
3280af22 1750 gv = PL_last_in_gv = (GV*)POPs;
4592e6ca
NIS		 1751
1752 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1753 PUSHMARK(SP);
1754 XPUSHs(SvTIED_obj((SV*)gv, mg));
1755 PUTBACK;
1756 ENTER;
864dbfa3 1757 call_method("TELL", G_SCALAR);
4592e6ca
NIS		 1758 LEAVE;
1759 SPAGAIN;
1760 RETURN;
1761 }
1762
146174a9
CB		 1763#if LSEEKSIZE > IVSIZE
1764 PUSHn( do_tell(gv) );
1765#else
a0d0e21e 1766 PUSHi( do_tell(gv) );
146174a9 1767#endif
a0d0e21e
LW		 1768 RETURN;
1769}
1770
1771PP(pp_seek)
1772{
cea2e8a9 1773 return pp_sysseek();
137443ea 1774}
1775
1776PP(pp_sysseek)
1777{
4e35701f 1778 djSP;
a0d0e21e
LW		 1779 GV *gv;
1780 int whence = POPi;
146174a9
CB		 1781#if LSEEKSIZE > IVSIZE
1782 Off_t offset = (Off_t)SvNVx(POPs);
1783#else
d9b3e12d 1784 Off_t offset = (Off_t)SvIVx(POPs);
146174a9 1785#endif
4592e6ca 1786 MAGIC *mg;
a0d0e21e 1787
3280af22 1788 gv = PL_last_in_gv = (GV*)POPs;
4592e6ca
NIS		 1789
1790 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1791 PUSHMARK(SP);
1792 XPUSHs(SvTIED_obj((SV*)gv, mg));
cb50131a
CB		 1793#if LSEEKSIZE > IVSIZE
1794 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1795#else
b448e4fe 1796 XPUSHs(sv_2mortal(newSViv(offset)));
cb50131a 1797#endif
b448e4fe 1798 XPUSHs(sv_2mortal(newSViv(whence)));
4592e6ca
NIS		 1799 PUTBACK;
1800 ENTER;
864dbfa3 1801 call_method("SEEK", G_SCALAR);
4592e6ca
NIS		 1802 LEAVE;
1803 SPAGAIN;
1804 RETURN;
1805 }
1806
533c011a 1807 if (PL_op->op_type == OP_SEEK)
8903cb82 1808 PUSHs(boolSV(do_seek(gv, offset, whence)));
1809 else {
b448e4fe
JH		 1810 Off_t sought = do_sysseek(gv, offset, whence);
1811 if (sought < 0)
146174a9
CB		 1812 PUSHs(&PL_sv_undef);
1813 else {
b448e4fe 1814 SV* sv = sought ?
146174a9 1815#if LSEEKSIZE > IVSIZE
b448e4fe 1816 newSVnv((NV)sought)
146174a9 1817#else
b448e4fe 1818 newSViv(sought)
146174a9
CB		 1819#endif
1820 : newSVpvn(zero_but_true, ZBTLEN);
1821 PUSHs(sv_2mortal(sv));
1822 }
8903cb82 1823 }
a0d0e21e
LW		 1824 RETURN;
1825}
1826
1827PP(pp_truncate)
1828{
4e35701f 1829 djSP;
8c99d73e
GS		 1830 /* There seems to be no consensus on the length type of truncate()
1831 * and ftruncate(), both off_t and size_t have supporters. In
1832 * general one would think that when using large files, off_t is
1833 * at least as wide as size_t, so using an off_t should be okay. */
1834 /* XXX Configure probe for the length type of *truncate() needed XXX */
1835 Off_t len;
a0d0e21e
LW		 1836 int result = 1;
1837 GV *tmpgv;
2d8e6c8d 1838 STRLEN n_a;
a0d0e21e 1839
8c99d73e
GS		 1840#if Size_t_size > IVSIZE
1841 len = (Off_t)POPn;
1842#else
1843 len = (Off_t)POPi;
1844#endif
1845 /* Checking for length < 0 is problematic as the type might or
1846 * might not be signed: if it is not, clever compilers will moan. */
1847 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
748a9306 1848 SETERRNO(0,0);
5d94fbed 1849#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
533c011a 1850 if (PL_op->op_flags & OPf_SPECIAL) {
2d8e6c8d 1851 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
cbdc8872 1852 do_ftruncate:
1e422769 1853 TAINT_PROPER("truncate");
cb50131a
CB		 1854 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1855 result = 0;
1856 else {
1857 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
cbdc8872 1858#ifdef HAS_TRUNCATE
cb50131a 1859 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
cbdc8872 1860#else
cb50131a 1861 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
cbdc8872 1862#endif
cb50131a
CB		 1863 result = 0;
1864 }
a0d0e21e
LW		 1865 }
1866 else {
cbdc8872 1867 SV *sv = POPs;
1e422769 1868 char *name;
2d8e6c8d 1869 STRLEN n_a;
1e422769 1870
cbdc8872 1871 if (SvTYPE(sv) == SVt_PVGV) {
1872 tmpgv = (GV*)sv; /* *main::FRED for example */
1873 goto do_ftruncate;
1874 }
1875 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1876 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1877 goto do_ftruncate;
1878 }
1e422769 1879
2d8e6c8d 1880 name = SvPV(sv, n_a);
1e422769 1881 TAINT_PROPER("truncate");
cbdc8872 1882#ifdef HAS_TRUNCATE
1e422769 1883 if (truncate(name, len) < 0)
a0d0e21e 1884 result = 0;
cbdc8872 1885#else
1886 {
1887 int tmpfd;
6ad3d225 1888 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
bbce6d69 1889 result = 0;
cbdc8872 1890 else {
1891 if (my_chsize(tmpfd, len) < 0)
1892 result = 0;
6ad3d225 1893 PerlLIO_close(tmpfd);
cbdc8872 1894 }
a0d0e21e 1895 }
a0d0e21e 1896#endif
cbdc8872 1897 }
a0d0e21e
LW		 1898
1899 if (result)
1900 RETPUSHYES;
1901 if (!errno)
748a9306 1902 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 1903 RETPUSHUNDEF;
1904#else
cea2e8a9 1905 DIE(aTHX_ "truncate not implemented");
a0d0e21e
LW		 1906#endif
1907}
1908
1909PP(pp_fcntl)
1910{
cea2e8a9 1911 return pp_ioctl();
a0d0e21e
LW		 1912}
1913
1914PP(pp_ioctl)
1915{
4e35701f 1916 djSP; dTARGET;
748a9306 1917 SV *argsv = POPs;
a0d0e21e 1918 unsigned int func = U_I(POPn);
533c011a 1919 int optype = PL_op->op_type;
a0d0e21e 1920 char *s;
324aa91a 1921 IV retval;
a0d0e21e
LW		 1922 GV *gv = (GV*)POPs;
1923 IO *io = GvIOn(gv);
1924
748a9306
LW		 1925 if (!io || !argsv || !IoIFP(io)) {
1926 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
a0d0e21e
LW		 1927 RETPUSHUNDEF;
1928 }
1929
748a9306 1930 if (SvPOK(argsv) || !SvNIOK(argsv)) {
a0d0e21e 1931 STRLEN len;
324aa91a 1932 STRLEN need;
748a9306 1933 s = SvPV_force(argsv, len);
324aa91a
HF		 1934 need = IOCPARM_LEN(func);
1935 if (len < need) {
1936 s = Sv_Grow(argsv, need + 1);
1937 SvCUR_set(argsv, need);
a0d0e21e
LW		 1938 }
1939
748a9306 1940 s[SvCUR(argsv)] = 17; /* a little sanity check here */
a0d0e21e
LW		 1941 }
1942 else {
748a9306 1943 retval = SvIV(argsv);
c529f79d 1944 s = INT2PTR(char*,retval); /* ouch */
a0d0e21e
LW		 1945 }
1946
1947 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1948
1949 if (optype == OP_IOCTL)
1950#ifdef HAS_IOCTL
76e3520e 1951 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
a0d0e21e 1952#else
cea2e8a9 1953 DIE(aTHX_ "ioctl is not implemented");
a0d0e21e
LW		 1954#endif
1955 else
55497cff 1956#ifdef HAS_FCNTL
1957#if defined(OS2) && defined(__EMX__)
760ac839 1958 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
55497cff 1959#else
760ac839 1960 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
55497cff 1961#endif
1962#else
cea2e8a9 1963 DIE(aTHX_ "fcntl is not implemented");
a0d0e21e
LW		 1964#endif
1965
748a9306
LW		 1966 if (SvPOK(argsv)) {
1967 if (s[SvCUR(argsv)] != 17)
cea2e8a9 1968 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
22c35a8c 1969 PL_op_name[optype]);
748a9306
LW		 1970 s[SvCUR(argsv)] = 0; /* put our null back */
1971 SvSETMAGIC(argsv); /* Assume it has changed */
a0d0e21e
LW		 1972 }
1973
1974 if (retval == -1)
1975 RETPUSHUNDEF;
1976 if (retval != 0) {
1977 PUSHi(retval);
1978 }
1979 else {
8903cb82 1980 PUSHp(zero_but_true, ZBTLEN);
a0d0e21e
LW		 1981 }
1982 RETURN;
1983}
1984
1985PP(pp_flock)
1986{
4e35701f 1987 djSP; dTARGET;
a0d0e21e
LW		 1988 I32 value;
1989 int argtype;
1990 GV *gv;
bc37a18f 1991 IO *io = NULL;
760ac839 1992 PerlIO *fp;
16d20bd9 1993
ff68c719 1994#ifdef FLOCK
a0d0e21e 1995 argtype = POPi;
32da55ab 1996 if (MAXARG == 0)
3280af22 1997 gv = PL_last_in_gv;
a0d0e21e
LW		 1998 else
1999 gv = (GV*)POPs;
bc37a18f
RG		 2000 if (gv && (io = GvIO(gv)))
2001 fp = IoIFP(io);
2002 else {
a0d0e21e 2003 fp = Nullfp;
bc37a18f
RG		 2004 io = NULL;
2005 }
a0d0e21e 2006 if (fp) {
68dc0745 2007 (void)PerlIO_flush(fp);
76e3520e 2008 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
a0d0e21e 2009 }
cb50131a 2010 else {
bc37a18f
RG		 2011 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2012 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 2013 value = 0;
cb50131a 2014 SETERRNO(EBADF,RMS$_IFI);
cb50131a 2015 }
a0d0e21e
LW		 2016 PUSHi(value);
2017 RETURN;
2018#else
cea2e8a9 2019 DIE(aTHX_ PL_no_func, "flock()");
a0d0e21e
LW		 2020#endif
2021}
2022
2023/* Sockets. */
2024
2025PP(pp_socket)
2026{
4e35701f 2027 djSP;
a0d0e21e
LW		 2028#ifdef HAS_SOCKET
2029 GV *gv;
2030 register IO *io;
2031 int protocol = POPi;
2032 int type = POPi;
2033 int domain = POPi;
2034 int fd;
2035
2036 gv = (GV*)POPs;
2037
2038 if (!gv) {
748a9306 2039 SETERRNO(EBADF,LIB$_INVARG);
a0d0e21e
LW		 2040 RETPUSHUNDEF;
2041 }
2042
2043 io = GvIOn(gv);
2044 if (IoIFP(io))
2045 do_close(gv, FALSE);
2046
2047 TAINT_PROPER("socket");
6ad3d225 2048 fd = PerlSock_socket(domain, type, protocol);
a0d0e21e
LW		 2049 if (fd < 0)
2050 RETPUSHUNDEF;
760ac839
LW		 2051 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2052 IoOFP(io) = PerlIO_fdopen(fd, "w");
a0d0e21e
LW		 2053 IoTYPE(io) = 's';
2054 if (!IoIFP(io) || !IoOFP(io)) {
760ac839
LW		 2055 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2056 if (IoOFP(io)) PerlIO_close(IoOFP(io));
6ad3d225 2057 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
a0d0e21e
LW		 2058 RETPUSHUNDEF;
2059 }
8d2a6795
GS		 2060#if defined(HAS_FCNTL) && defined(F_SETFD)
2061 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2062#endif
a0d0e21e
LW		 2063
2064 RETPUSHYES;
2065#else
cea2e8a9 2066 DIE(aTHX_ PL_no_sock_func, "socket");
a0d0e21e
LW		 2067#endif
2068}
2069
2070PP(pp_sockpair)
2071{
4e35701f 2072 djSP;
a0d0e21e
LW		 2073#ifdef HAS_SOCKETPAIR
2074 GV *gv1;
2075 GV *gv2;
2076 register IO *io1;
2077 register IO *io2;
2078 int protocol = POPi;
2079 int type = POPi;
2080 int domain = POPi;
2081 int fd[2];
2082
2083 gv2 = (GV*)POPs;
2084 gv1 = (GV*)POPs;
2085 if (!gv1 || !gv2)
2086 RETPUSHUNDEF;
2087
2088 io1 = GvIOn(gv1);
2089 io2 = GvIOn(gv2);
2090 if (IoIFP(io1))
2091 do_close(gv1, FALSE);
2092 if (IoIFP(io2))
2093 do_close(gv2, FALSE);
2094
2095 TAINT_PROPER("socketpair");
6ad3d225 2096 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
a0d0e21e 2097 RETPUSHUNDEF;
760ac839
LW		 2098 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2099 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
a0d0e21e 2100 IoTYPE(io1) = 's';
760ac839
LW		 2101 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2102 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
a0d0e21e
LW		 2103 IoTYPE(io2) = 's';
2104 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
760ac839
LW		 2105 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2106 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
6ad3d225 2107 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
760ac839
LW		 2108 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2109 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
6ad3d225 2110 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
a0d0e21e
LW		 2111 RETPUSHUNDEF;
2112 }
8d2a6795
GS		 2113#if defined(HAS_FCNTL) && defined(F_SETFD)
2114 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2115 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2116#endif
a0d0e21e
LW		 2117
2118 RETPUSHYES;
2119#else
cea2e8a9 2120 DIE(aTHX_ PL_no_sock_func, "socketpair");
a0d0e21e
LW		 2121#endif
2122}
2123
2124PP(pp_bind)
2125{
4e35701f 2126 djSP;
a0d0e21e 2127#ifdef HAS_SOCKET
eec2d3df
GS		 2128#ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2129 extern GETPRIVMODE();
2130 extern GETUSERMODE();
2131#endif
748a9306 2132 SV *addrsv = POPs;
a0d0e21e
LW		 2133 char *addr;
2134 GV *gv = (GV*)POPs;
2135 register IO *io = GvIOn(gv);
2136 STRLEN len;
eec2d3df
GS		 2137 int bind_ok = 0;
2138#ifdef MPE
2139 int mpeprivmode = 0;
2140#endif
a0d0e21e
LW		 2141
2142 if (!io || !IoIFP(io))
2143 goto nuts;
2144
748a9306 2145 addr = SvPV(addrsv, len);
a0d0e21e 2146 TAINT_PROPER("bind");
eec2d3df
GS		 2147#ifdef MPE /* Deal with MPE bind() peculiarities */
2148 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2149 /* The address *MUST* stupidly be zero. */
2150 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2151 /* PRIV mode is required to bind() to ports < 1024. */
2152 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2153 ((struct sockaddr_in *)addr)->sin_port > 0) {
2154 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2155 mpeprivmode = 1;
2156 }
2157 }
2158#endif /* MPE */
2159 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2160 (struct sockaddr *)addr, len) >= 0)
2161 bind_ok = 1;
2162
2163#ifdef MPE /* Switch back to USER mode */
2164 if (mpeprivmode)
2165 GETUSERMODE();
2166#endif /* MPE */
2167
2168 if (bind_ok)
a0d0e21e
LW		 2169 RETPUSHYES;
2170 else
2171 RETPUSHUNDEF;
2172
2173nuts:
599cee73 2174 if (ckWARN(WARN_CLOSED))
bc37a18f 2175 report_evil_fh(gv, io, PL_op->op_type);
748a9306 2176 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2177 RETPUSHUNDEF;
2178#else
cea2e8a9 2179 DIE(aTHX_ PL_no_sock_func, "bind");
a0d0e21e
LW		 2180#endif
2181}
2182
2183PP(pp_connect)
2184{
4e35701f 2185 djSP;
a0d0e21e 2186#ifdef HAS_SOCKET
748a9306 2187 SV *addrsv = POPs;
a0d0e21e
LW		 2188 char *addr;
2189 GV *gv = (GV*)POPs;
2190 register IO *io = GvIOn(gv);
2191 STRLEN len;
2192
2193 if (!io || !IoIFP(io))
2194 goto nuts;
2195
748a9306 2196 addr = SvPV(addrsv, len);
a0d0e21e 2197 TAINT_PROPER("connect");
6ad3d225 2198 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
a0d0e21e
LW		 2199 RETPUSHYES;
2200 else
2201 RETPUSHUNDEF;
2202
2203nuts:
599cee73 2204 if (ckWARN(WARN_CLOSED))
bc37a18f 2205 report_evil_fh(gv, io, PL_op->op_type);
748a9306 2206 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2207 RETPUSHUNDEF;
2208#else
cea2e8a9 2209 DIE(aTHX_ PL_no_sock_func, "connect");
a0d0e21e
LW		 2210#endif
2211}
2212
2213PP(pp_listen)
2214{
4e35701f 2215 djSP;
a0d0e21e
LW		 2216#ifdef HAS_SOCKET
2217 int backlog = POPi;
2218 GV *gv = (GV*)POPs;
2219 register IO *io = GvIOn(gv);
2220
2221 if (!io || !IoIFP(io))
2222 goto nuts;
2223
6ad3d225 2224 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
a0d0e21e
LW		 2225 RETPUSHYES;
2226 else
2227 RETPUSHUNDEF;
2228
2229nuts:
599cee73 2230 if (ckWARN(WARN_CLOSED))
bc37a18f 2231 report_evil_fh(gv, io, PL_op->op_type);
748a9306 2232 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2233 RETPUSHUNDEF;
2234#else
cea2e8a9 2235 DIE(aTHX_ PL_no_sock_func, "listen");
a0d0e21e
LW		 2236#endif
2237}
2238
2239PP(pp_accept)
2240{
4e35701f 2241 djSP; dTARGET;
a0d0e21e
LW		 2242#ifdef HAS_SOCKET
2243 GV *ngv;
2244 GV *ggv;
2245 register IO *nstio;
2246 register IO *gstio;
4633a7c4 2247 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1e422769 2248 Sock_size_t len = sizeof saddr;
a0d0e21e
LW		 2249 int fd;
2250
2251 ggv = (GV*)POPs;
2252 ngv = (GV*)POPs;
2253
2254 if (!ngv)
2255 goto badexit;
2256 if (!ggv)
2257 goto nuts;
2258
2259 gstio = GvIO(ggv);
2260 if (!gstio || !IoIFP(gstio))
2261 goto nuts;
2262
2263 nstio = GvIOn(ngv);
2264 if (IoIFP(nstio))
2265 do_close(ngv, FALSE);
2266
6ad3d225 2267 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
a0d0e21e
LW		 2268 if (fd < 0)
2269 goto badexit;
760ac839
LW		 2270 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2271 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
a0d0e21e
LW		 2272 IoTYPE(nstio) = 's';
2273 if (!IoIFP(nstio) || !IoOFP(nstio)) {
760ac839
LW		 2274 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2275 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
6ad3d225 2276 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
a0d0e21e
LW		 2277 goto badexit;
2278 }
8d2a6795
GS		 2279#if defined(HAS_FCNTL) && defined(F_SETFD)
2280 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2281#endif
a0d0e21e 2282
748a9306 2283 PUSHp((char *)&saddr, len);
a0d0e21e
LW		 2284 RETURN;
2285
2286nuts:
599cee73 2287 if (ckWARN(WARN_CLOSED))
bc37a18f 2288 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
748a9306 2289 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2290
2291badexit:
2292 RETPUSHUNDEF;
2293
2294#else
cea2e8a9 2295 DIE(aTHX_ PL_no_sock_func, "accept");
a0d0e21e
LW		 2296#endif
2297}
2298
2299PP(pp_shutdown)
2300{
4e35701f 2301 djSP; dTARGET;
a0d0e21e
LW		 2302#ifdef HAS_SOCKET
2303 int how = POPi;
2304 GV *gv = (GV*)POPs;
2305 register IO *io = GvIOn(gv);
2306
2307 if (!io || !IoIFP(io))
2308 goto nuts;
2309
6ad3d225 2310 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
a0d0e21e
LW		 2311 RETURN;
2312
2313nuts:
599cee73 2314 if (ckWARN(WARN_CLOSED))
bc37a18f 2315 report_evil_fh(gv, io, PL_op->op_type);
748a9306 2316 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2317 RETPUSHUNDEF;
2318#else
cea2e8a9 2319 DIE(aTHX_ PL_no_sock_func, "shutdown");
a0d0e21e
LW		 2320#endif
2321}
2322
2323PP(pp_gsockopt)
2324{
2325#ifdef HAS_SOCKET
cea2e8a9 2326 return pp_ssockopt();
a0d0e21e 2327#else
cea2e8a9 2328 DIE(aTHX_ PL_no_sock_func, "getsockopt");
a0d0e21e
LW		 2329#endif
2330}
2331
2332PP(pp_ssockopt)
2333{
4e35701f 2334 djSP;
a0d0e21e 2335#ifdef HAS_SOCKET
533c011a 2336 int optype = PL_op->op_type;
a0d0e21e
LW		 2337 SV *sv;
2338 int fd;
2339 unsigned int optname;
2340 unsigned int lvl;
2341 GV *gv;
2342 register IO *io;
1e422769 2343 Sock_size_t len;
a0d0e21e
LW		 2344
2345 if (optype == OP_GSOCKOPT)
2346 sv = sv_2mortal(NEWSV(22, 257));
2347 else
2348 sv = POPs;
2349 optname = (unsigned int) POPi;
2350 lvl = (unsigned int) POPi;
2351
2352 gv = (GV*)POPs;
2353 io = GvIOn(gv);
2354 if (!io || !IoIFP(io))
2355 goto nuts;
2356
760ac839 2357 fd = PerlIO_fileno(IoIFP(io));
a0d0e21e
LW		 2358 switch (optype) {
2359 case OP_GSOCKOPT:
748a9306 2360 SvGROW(sv, 257);
a0d0e21e 2361 (void)SvPOK_only(sv);
748a9306
LW		 2362 SvCUR_set(sv,256);
2363 *SvEND(sv) ='\0';
1e422769 2364 len = SvCUR(sv);
6ad3d225 2365 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
a0d0e21e 2366 goto nuts2;
1e422769 2367 SvCUR_set(sv, len);
748a9306 2368 *SvEND(sv) ='\0';
a0d0e21e
LW		 2369 PUSHs(sv);
2370 break;
2371 case OP_SSOCKOPT: {
1e422769 2372 char *buf;
2373 int aint;
2374 if (SvPOKp(sv)) {
2d8e6c8d
GS		 2375 STRLEN l;
2376 buf = SvPV(sv, l);
2377 len = l;
1e422769 2378 }
56ee1660 2379 else {
a0d0e21e
LW		 2380 aint = (int)SvIV(sv);
2381 buf = (char*)&aint;
2382 len = sizeof(int);
2383 }
6ad3d225 2384 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
a0d0e21e 2385 goto nuts2;
3280af22 2386 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 2387 }
2388 break;
2389 }
2390 RETURN;
2391
2392nuts:
599cee73 2393 if (ckWARN(WARN_CLOSED))
bc37a18f 2394 report_evil_fh(gv, io, optype);
748a9306 2395 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2396nuts2:
2397 RETPUSHUNDEF;
2398
2399#else
cea2e8a9 2400 DIE(aTHX_ PL_no_sock_func, "setsockopt");
a0d0e21e
LW		 2401#endif
2402}
2403
2404PP(pp_getsockname)
2405{
2406#ifdef HAS_SOCKET
cea2e8a9 2407 return pp_getpeername();
a0d0e21e 2408#else
cea2e8a9 2409 DIE(aTHX_ PL_no_sock_func, "getsockname");
a0d0e21e
LW		 2410#endif
2411}
2412
2413PP(pp_getpeername)
2414{
4e35701f 2415 djSP;
a0d0e21e 2416#ifdef HAS_SOCKET
533c011a 2417 int optype = PL_op->op_type;
a0d0e21e
LW		 2418 SV *sv;
2419 int fd;
2420 GV *gv = (GV*)POPs;
2421 register IO *io = GvIOn(gv);
1e422769 2422 Sock_size_t len;
a0d0e21e
LW		 2423
2424 if (!io || !IoIFP(io))
2425 goto nuts;
2426
2427 sv = sv_2mortal(NEWSV(22, 257));
748a9306 2428 (void)SvPOK_only(sv);
1e422769 2429 len = 256;
2430 SvCUR_set(sv, len);
748a9306 2431 *SvEND(sv) ='\0';
760ac839 2432 fd = PerlIO_fileno(IoIFP(io));
a0d0e21e
LW		 2433 switch (optype) {
2434 case OP_GETSOCKNAME:
6ad3d225 2435 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
a0d0e21e
LW		 2436 goto nuts2;
2437 break;
2438 case OP_GETPEERNAME:
6ad3d225 2439 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
a0d0e21e 2440 goto nuts2;
490ab354
JH		 2441#if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2442 {
2443 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";
2444 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2445 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2446 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2447 sizeof(u_short) + sizeof(struct in_addr))) {
2448 goto nuts2;
2449 }
2450 }
2451#endif
a0d0e21e
LW		 2452 break;
2453 }
13826f2c
CS		 2454#ifdef BOGUS_GETNAME_RETURN
2455 /* Interactive Unix, getpeername() and getsockname()
2456 does not return valid namelen */
1e422769 2457 if (len == BOGUS_GETNAME_RETURN)
2458 len = sizeof(struct sockaddr);
13826f2c 2459#endif
1e422769 2460 SvCUR_set(sv, len);
748a9306 2461 *SvEND(sv) ='\0';
a0d0e21e
LW		 2462 PUSHs(sv);
2463 RETURN;
2464
2465nuts:
599cee73 2466 if (ckWARN(WARN_CLOSED))
bc37a18f 2467 report_evil_fh(gv, io, optype);
748a9306 2468 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 2469nuts2:
2470 RETPUSHUNDEF;
2471
2472#else
cea2e8a9 2473 DIE(aTHX_ PL_no_sock_func, "getpeername");
a0d0e21e
LW		 2474#endif
2475}
2476
2477/* Stat calls. */
2478
2479PP(pp_lstat)
2480{
cea2e8a9 2481 return pp_stat();
a0d0e21e
LW		 2482}
2483
2484PP(pp_stat)
2485{
4e35701f 2486 djSP;
a0d0e21e 2487 GV *tmpgv;
54310121 2488 I32 gimme;
a0d0e21e 2489 I32 max = 13;
2d8e6c8d 2490 STRLEN n_a;
a0d0e21e 2491
533c011a 2492 if (PL_op->op_flags & OPf_REF) {
146174a9 2493 tmpgv = cGVOP_gv;
9d837945
TM		 2494 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
2495 Perl_warner(aTHX_ WARN_IO,
2496 "lstat() on filehandle %s", GvENAME(tmpgv));
748a9306 2497 do_fstat:
3280af22
NIS		 2498 if (tmpgv != PL_defgv) {
2499 PL_laststype = OP_STAT;
2500 PL_statgv = tmpgv;
2501 sv_setpv(PL_statname, "");
2502 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2503 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
a0d0e21e 2504 }
9ddeeac9
JH		 2505 if (PL_laststatval < 0) {
2506 if (ckWARN(WARN_UNOPENED))
2507 Perl_warner(aTHX_ WARN_UNOPENED, "%s() on unopened filehandle %s",
2508 PL_op_desc[PL_op->op_type], GvENAME(tmpgv));
a0d0e21e 2509 max = 0;
9ddeeac9 2510 }
a0d0e21e
LW		 2511 }
2512 else {
748a9306
LW		 2513 SV* sv = POPs;
2514 if (SvTYPE(sv) == SVt_PVGV) {
2515 tmpgv = (GV*)sv;
2516 goto do_fstat;
2517 }
2518 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2519 tmpgv = (GV*)SvRV(sv);
2520 goto do_fstat;
2521 }
2d8e6c8d 2522 sv_setpv(PL_statname, SvPV(sv,n_a));
3280af22 2523 PL_statgv = Nullgv;
a0d0e21e 2524#ifdef HAS_LSTAT
533c011a
NIS		 2525 PL_laststype = PL_op->op_type;
2526 if (PL_op->op_type == OP_LSTAT)
2d8e6c8d 2527 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
a0d0e21e
LW		 2528 else
2529#endif
2d8e6c8d 2530 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
3280af22 2531 if (PL_laststatval < 0) {
2d8e6c8d 2532 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
cea2e8a9 2533 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
a0d0e21e
LW		 2534 max = 0;
2535 }
2536 }
2537
54310121 2538 gimme = GIMME_V;
2539 if (gimme != G_ARRAY) {
2540 if (gimme != G_VOID)
2541 XPUSHs(boolSV(max));
2542 RETURN;
a0d0e21e
LW		 2543 }
2544 if (max) {
36477c24 2545 EXTEND(SP, max);
2546 EXTEND_MORTAL(max);
1ff81528
PL		 2547 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2548 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
b448e4fe
JH		 2549 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2550 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
146174a9
CB		 2551#if Uid_t_size > IVSIZE
2552 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2553#else
23dcd6c8 2554# if Uid_t_sign <= 0
1ff81528 2555 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
23dcd6c8
JH		 2556# else
2557 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2558# endif
146174a9
CB		 2559#endif
2560#if Gid_t_size > IVSIZE
2561 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2562#else
23dcd6c8 2563# if Gid_t_sign <= 0
1ff81528 2564 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
23dcd6c8
JH		 2565# else
2566 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2567# endif
146174a9 2568#endif
cbdc8872 2569#ifdef USE_STAT_RDEV
1ff81528 2570 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
cbdc8872 2571#else
79cb57f6 2572 PUSHs(sv_2mortal(newSVpvn("", 0)));
cbdc8872 2573#endif
146174a9
CB		 2574#if Off_t_size > IVSIZE
2575 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2576#else
1ff81528 2577 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
146174a9 2578#endif
cbdc8872 2579#ifdef BIG_TIME
172ae379
JH		 2580 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2581 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2582 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
cbdc8872 2583#else
1ff81528
PL		 2584 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2585 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2586 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
cbdc8872 2587#endif
a0d0e21e 2588#ifdef USE_STAT_BLOCKS
b448e4fe
JH		 2589 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2590 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
a0d0e21e 2591#else
79cb57f6
GS		 2592 PUSHs(sv_2mortal(newSVpvn("", 0)));
2593 PUSHs(sv_2mortal(newSVpvn("", 0)));
a0d0e21e
LW		 2594#endif
2595 }
2596 RETURN;
2597}
2598
2599PP(pp_ftrread)
2600{
5ff3f7a4 2601 I32 result;
4e35701f 2602 djSP;
5ff3f7a4 2603#if defined(HAS_ACCESS) && defined(R_OK)
2d8e6c8d 2604 STRLEN n_a;
5ff3f7a4 2605 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2606 result = access(TOPpx, R_OK);
5ff3f7a4
GS		 2607 if (result == 0)
2608 RETPUSHYES;
2609 if (result < 0)
2610 RETPUSHUNDEF;
2611 RETPUSHNO;
22865c03
GS		 2612 }
2613 else
cea2e8a9 2614 result = my_stat();
5ff3f7a4 2615#else
cea2e8a9 2616 result = my_stat();
5ff3f7a4 2617#endif
22865c03 2618 SPAGAIN;
a0d0e21e
LW		 2619 if (result < 0)
2620 RETPUSHUNDEF;
3280af22 2621 if (cando(S_IRUSR, 0, &PL_statcache))
a0d0e21e
LW		 2622 RETPUSHYES;
2623 RETPUSHNO;
2624}
2625
2626PP(pp_ftrwrite)
2627{
5ff3f7a4 2628 I32 result;
4e35701f 2629 djSP;
5ff3f7a4 2630#if defined(HAS_ACCESS) && defined(W_OK)
2d8e6c8d 2631 STRLEN n_a;
5ff3f7a4 2632 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2633 result = access(TOPpx, W_OK);
5ff3f7a4
GS		 2634 if (result == 0)
2635 RETPUSHYES;
2636 if (result < 0)
2637 RETPUSHUNDEF;
2638 RETPUSHNO;
22865c03
GS		 2639 }
2640 else
cea2e8a9 2641 result = my_stat();
5ff3f7a4 2642#else
cea2e8a9 2643 result = my_stat();
5ff3f7a4 2644#endif
22865c03 2645 SPAGAIN;
a0d0e21e
LW		 2646 if (result < 0)
2647 RETPUSHUNDEF;
3280af22 2648 if (cando(S_IWUSR, 0, &PL_statcache))
a0d0e21e
LW		 2649 RETPUSHYES;
2650 RETPUSHNO;
2651}
2652
2653PP(pp_ftrexec)
2654{
5ff3f7a4 2655 I32 result;
4e35701f 2656 djSP;
5ff3f7a4 2657#if defined(HAS_ACCESS) && defined(X_OK)
2d8e6c8d 2658 STRLEN n_a;
5ff3f7a4 2659 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2660 result = access(TOPpx, X_OK);
5ff3f7a4
GS		 2661 if (result == 0)
2662 RETPUSHYES;
2663 if (result < 0)
2664 RETPUSHUNDEF;
2665 RETPUSHNO;
22865c03
GS		 2666 }
2667 else
cea2e8a9 2668 result = my_stat();
5ff3f7a4 2669#else
cea2e8a9 2670 result = my_stat();
5ff3f7a4 2671#endif
22865c03 2672 SPAGAIN;
a0d0e21e
LW		 2673 if (result < 0)
2674 RETPUSHUNDEF;
3280af22 2675 if (cando(S_IXUSR, 0, &PL_statcache))
a0d0e21e
LW		 2676 RETPUSHYES;
2677 RETPUSHNO;
2678}
2679
2680PP(pp_fteread)
2681{
5ff3f7a4 2682 I32 result;
4e35701f 2683 djSP;
5ff3f7a4 2684#ifdef PERL_EFF_ACCESS_R_OK
2d8e6c8d 2685 STRLEN n_a;
5ff3f7a4 2686 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2687 result = PERL_EFF_ACCESS_R_OK(TOPpx);
5ff3f7a4
GS		 2688 if (result == 0)
2689 RETPUSHYES;
2690 if (result < 0)
2691 RETPUSHUNDEF;
2692 RETPUSHNO;
22865c03
GS		 2693 }
2694 else
cea2e8a9 2695 result = my_stat();
5ff3f7a4 2696#else
cea2e8a9 2697 result = my_stat();
5ff3f7a4 2698#endif
22865c03 2699 SPAGAIN;
a0d0e21e
LW		 2700 if (result < 0)
2701 RETPUSHUNDEF;
3280af22 2702 if (cando(S_IRUSR, 1, &PL_statcache))
a0d0e21e
LW		 2703 RETPUSHYES;
2704 RETPUSHNO;
2705}
2706
2707PP(pp_ftewrite)
2708{
5ff3f7a4 2709 I32 result;
4e35701f 2710 djSP;
5ff3f7a4 2711#ifdef PERL_EFF_ACCESS_W_OK
2d8e6c8d 2712 STRLEN n_a;
5ff3f7a4 2713 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2714 result = PERL_EFF_ACCESS_W_OK(TOPpx);
5ff3f7a4
GS		 2715 if (result == 0)
2716 RETPUSHYES;
2717 if (result < 0)
2718 RETPUSHUNDEF;
2719 RETPUSHNO;
22865c03
GS		 2720 }
2721 else
cea2e8a9 2722 result = my_stat();
5ff3f7a4 2723#else
cea2e8a9 2724 result = my_stat();
5ff3f7a4 2725#endif
22865c03 2726 SPAGAIN;
a0d0e21e
LW		 2727 if (result < 0)
2728 RETPUSHUNDEF;
3280af22 2729 if (cando(S_IWUSR, 1, &PL_statcache))
a0d0e21e
LW		 2730 RETPUSHYES;
2731 RETPUSHNO;
2732}
2733
2734PP(pp_fteexec)
2735{
5ff3f7a4 2736 I32 result;
4e35701f 2737 djSP;
5ff3f7a4 2738#ifdef PERL_EFF_ACCESS_X_OK
2d8e6c8d 2739 STRLEN n_a;
5ff3f7a4 2740 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2741 result = PERL_EFF_ACCESS_X_OK(TOPpx);
5ff3f7a4
GS		 2742 if (result == 0)
2743 RETPUSHYES;
2744 if (result < 0)
2745 RETPUSHUNDEF;
2746 RETPUSHNO;
22865c03
GS		 2747 }
2748 else
cea2e8a9 2749 result = my_stat();
5ff3f7a4 2750#else
cea2e8a9 2751 result = my_stat();
5ff3f7a4 2752#endif
22865c03 2753 SPAGAIN;
a0d0e21e
LW		 2754 if (result < 0)
2755 RETPUSHUNDEF;
3280af22 2756 if (cando(S_IXUSR, 1, &PL_statcache))
a0d0e21e
LW		 2757 RETPUSHYES;
2758 RETPUSHNO;
2759}
2760
2761PP(pp_ftis)
2762{
cea2e8a9 2763 I32 result = my_stat();
4e35701f 2764 djSP;
a0d0e21e
LW		 2765 if (result < 0)
2766 RETPUSHUNDEF;
2767 RETPUSHYES;
2768}
2769
2770PP(pp_fteowned)
2771{
cea2e8a9 2772 return pp_ftrowned();
a0d0e21e
LW		 2773}
2774
2775PP(pp_ftrowned)
2776{
cea2e8a9 2777 I32 result = my_stat();
4e35701f 2778 djSP;
a0d0e21e
LW		 2779 if (result < 0)
2780 RETPUSHUNDEF;
146174a9
CB		 2781 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2782 PL_euid : PL_uid) )
a0d0e21e
LW		 2783 RETPUSHYES;
2784 RETPUSHNO;
2785}
2786
2787PP(pp_ftzero)
2788{
cea2e8a9 2789 I32 result = my_stat();
4e35701f 2790 djSP;
a0d0e21e
LW		 2791 if (result < 0)
2792 RETPUSHUNDEF;
146174a9 2793 if (PL_statcache.st_size == 0)
a0d0e21e
LW		 2794 RETPUSHYES;
2795 RETPUSHNO;
2796}
2797
2798PP(pp_ftsize)
2799{
cea2e8a9 2800 I32 result = my_stat();
4e35701f 2801 djSP; dTARGET;
a0d0e21e
LW		 2802 if (result < 0)
2803 RETPUSHUNDEF;
146174a9
CB		 2804#if Off_t_size > IVSIZE
2805 PUSHn(PL_statcache.st_size);
2806#else
3280af22 2807 PUSHi(PL_statcache.st_size);
146174a9 2808#endif
a0d0e21e
LW		 2809 RETURN;
2810}
2811
2812PP(pp_ftmtime)
2813{
cea2e8a9 2814 I32 result = my_stat();
4e35701f 2815 djSP; dTARGET;
a0d0e21e
LW		 2816 if (result < 0)
2817 RETPUSHUNDEF;
c6419e06 2818 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
a0d0e21e
LW		 2819 RETURN;
2820}
2821
2822PP(pp_ftatime)
2823{
cea2e8a9 2824 I32 result = my_stat();
4e35701f 2825 djSP; dTARGET;
a0d0e21e
LW		 2826 if (result < 0)
2827 RETPUSHUNDEF;
c6419e06 2828 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
a0d0e21e
LW		 2829 RETURN;
2830}
2831
2832PP(pp_ftctime)
2833{
cea2e8a9 2834 I32 result = my_stat();
4e35701f 2835 djSP; dTARGET;
a0d0e21e
LW		 2836 if (result < 0)
2837 RETPUSHUNDEF;
c6419e06 2838 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
a0d0e21e
LW		 2839 RETURN;
2840}
2841
2842PP(pp_ftsock)
2843{
cea2e8a9 2844 I32 result = my_stat();
4e35701f 2845 djSP;
a0d0e21e
LW		 2846 if (result < 0)
2847 RETPUSHUNDEF;
3280af22 2848 if (S_ISSOCK(PL_statcache.st_mode))
a0d0e21e
LW		 2849 RETPUSHYES;
2850 RETPUSHNO;
2851}
2852
2853PP(pp_ftchr)
2854{
cea2e8a9 2855 I32 result = my_stat();
4e35701f 2856 djSP;
a0d0e21e
LW		 2857 if (result < 0)
2858 RETPUSHUNDEF;
3280af22 2859 if (S_ISCHR(PL_statcache.st_mode))
a0d0e21e
LW		 2860 RETPUSHYES;
2861 RETPUSHNO;
2862}
2863
2864PP(pp_ftblk)
2865{
cea2e8a9 2866 I32 result = my_stat();
4e35701f 2867 djSP;
a0d0e21e
LW		 2868 if (result < 0)
2869 RETPUSHUNDEF;
3280af22 2870 if (S_ISBLK(PL_statcache.st_mode))
a0d0e21e
LW		 2871 RETPUSHYES;
2872 RETPUSHNO;
2873}
2874
2875PP(pp_ftfile)
2876{
cea2e8a9 2877 I32 result = my_stat();
4e35701f 2878 djSP;
a0d0e21e
LW		 2879 if (result < 0)
2880 RETPUSHUNDEF;
3280af22 2881 if (S_ISREG(PL_statcache.st_mode))
a0d0e21e
LW		 2882 RETPUSHYES;
2883 RETPUSHNO;
2884}
2885
2886PP(pp_ftdir)
2887{
cea2e8a9 2888 I32 result = my_stat();
4e35701f 2889 djSP;
a0d0e21e
LW		 2890 if (result < 0)
2891 RETPUSHUNDEF;
3280af22 2892 if (S_ISDIR(PL_statcache.st_mode))
a0d0e21e
LW		 2893 RETPUSHYES;
2894 RETPUSHNO;
2895}
2896
2897PP(pp_ftpipe)
2898{
cea2e8a9 2899 I32 result = my_stat();
4e35701f 2900 djSP;
a0d0e21e
LW		 2901 if (result < 0)
2902 RETPUSHUNDEF;
3280af22 2903 if (S_ISFIFO(PL_statcache.st_mode))
a0d0e21e
LW		 2904 RETPUSHYES;
2905 RETPUSHNO;
2906}
2907
2908PP(pp_ftlink)
2909{
cea2e8a9 2910 I32 result = my_lstat();
4e35701f 2911 djSP;
a0d0e21e
LW		 2912 if (result < 0)
2913 RETPUSHUNDEF;
3280af22 2914 if (S_ISLNK(PL_statcache.st_mode))
a0d0e21e
LW		 2915 RETPUSHYES;
2916 RETPUSHNO;
2917}
2918
2919PP(pp_ftsuid)
2920{
4e35701f 2921 djSP;
a0d0e21e 2922#ifdef S_ISUID
cea2e8a9 2923 I32 result = my_stat();
a0d0e21e
LW		 2924 SPAGAIN;
2925 if (result < 0)
2926 RETPUSHUNDEF;
3280af22 2927 if (PL_statcache.st_mode & S_ISUID)
a0d0e21e
LW		 2928 RETPUSHYES;
2929#endif
2930 RETPUSHNO;
2931}
2932
2933PP(pp_ftsgid)
2934{
4e35701f 2935 djSP;
a0d0e21e 2936#ifdef S_ISGID
cea2e8a9 2937 I32 result = my_stat();
a0d0e21e
LW		 2938 SPAGAIN;
2939 if (result < 0)
2940 RETPUSHUNDEF;
3280af22 2941 if (PL_statcache.st_mode & S_ISGID)
a0d0e21e
LW		 2942 RETPUSHYES;
2943#endif
2944 RETPUSHNO;
2945}
2946
2947PP(pp_ftsvtx)
2948{
4e35701f 2949 djSP;
a0d0e21e 2950#ifdef S_ISVTX
cea2e8a9 2951 I32 result = my_stat();
a0d0e21e
LW		 2952 SPAGAIN;
2953 if (result < 0)
2954 RETPUSHUNDEF;
3280af22 2955 if (PL_statcache.st_mode & S_ISVTX)
a0d0e21e
LW		 2956 RETPUSHYES;
2957#endif
2958 RETPUSHNO;
2959}
2960
2961PP(pp_fttty)
2962{
4e35701f 2963 djSP;
a0d0e21e
LW		 2964 int fd;
2965 GV *gv;
fb73857a 2966 char *tmps = Nullch;
2d8e6c8d 2967 STRLEN n_a;
fb73857a 2968
533c011a 2969 if (PL_op->op_flags & OPf_REF)
146174a9 2970 gv = cGVOP_gv;
fb73857a 2971 else if (isGV(TOPs))
2972 gv = (GV*)POPs;
2973 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2974 gv = (GV*)SvRV(POPs);
a0d0e21e 2975 else
2d8e6c8d 2976 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
fb73857a 2977
a0d0e21e 2978 if (GvIO(gv) && IoIFP(GvIOp(gv)))
760ac839 2979 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
fb73857a 2980 else if (tmps && isDIGIT(*tmps))
a0d0e21e
LW		 2981 fd = atoi(tmps);
2982 else
2983 RETPUSHUNDEF;
6ad3d225 2984 if (PerlLIO_isatty(fd))
a0d0e21e
LW		 2985 RETPUSHYES;
2986 RETPUSHNO;
2987}
2988
16d20bd9
AD		 2989#if defined(atarist) /* this will work with atariST. Configure will
2990 make guesses for other systems. */
2991# define FILE_base(f) ((f)->_base)
2992# define FILE_ptr(f) ((f)->_ptr)
2993# define FILE_cnt(f) ((f)->_cnt)
2994# define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
a0d0e21e
LW		 2995#endif
2996
2997PP(pp_fttext)
2998{
4e35701f 2999 djSP;
a0d0e21e
LW		 3000 I32 i;
3001 I32 len;
3002 I32 odd = 0;
3003 STDCHAR tbuf[512];
3004 register STDCHAR *s;
3005 register IO *io;
5f05dabc 3006 register SV *sv;
3007 GV *gv;
2d8e6c8d 3008 STRLEN n_a;
146174a9 3009 PerlIO *fp;
a0d0e21e 3010
533c011a 3011 if (PL_op->op_flags & OPf_REF)
146174a9 3012 gv = cGVOP_gv;
5f05dabc 3013 else if (isGV(TOPs))
3014 gv = (GV*)POPs;
3015 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3016 gv = (GV*)SvRV(POPs);
3017 else
3018 gv = Nullgv;
3019
3020 if (gv) {
a0d0e21e 3021 EXTEND(SP, 1);
3280af22
NIS		 3022 if (gv == PL_defgv) {
3023 if (PL_statgv)
3024 io = GvIO(PL_statgv);
a0d0e21e 3025 else {
3280af22 3026 sv = PL_statname;
a0d0e21e
LW		 3027 goto really_filename;
3028 }
3029 }
3030 else {
3280af22
NIS		 3031 PL_statgv = gv;
3032 PL_laststatval = -1;
3033 sv_setpv(PL_statname, "");
3034 io = GvIO(PL_statgv);
a0d0e21e
LW		 3035 }
3036 if (io && IoIFP(io)) {
5f05dabc 3037 if (! PerlIO_has_base(IoIFP(io)))
cea2e8a9 3038 DIE(aTHX_ "-T and -B not implemented on filehandles");
3280af22
NIS		 3039 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3040 if (PL_laststatval < 0)
5f05dabc 3041 RETPUSHUNDEF;
3280af22 3042 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
533c011a 3043 if (PL_op->op_type == OP_FTTEXT)
a0d0e21e
LW		 3044 RETPUSHNO;
3045 else
3046 RETPUSHYES;
a20bf0c3 3047 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
760ac839 3048 i = PerlIO_getc(IoIFP(io));
a0d0e21e 3049 if (i != EOF)
760ac839 3050 (void)PerlIO_ungetc(IoIFP(io),i);
a0d0e21e 3051 }
a20bf0c3 3052 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
a0d0e21e 3053 RETPUSHYES;
a20bf0c3
JH		 3054 len = PerlIO_get_bufsiz(IoIFP(io));
3055 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
760ac839
LW		 3056 /* sfio can have large buffers - limit to 512 */
3057 if (len > 512)
3058 len = 512;
a0d0e21e
LW		 3059 }
3060 else {
146174a9
CB		 3061 if (ckWARN(WARN_UNOPENED)) {
3062 gv = cGVOP_gv;
9ddeeac9
JH		 3063 Perl_warner(aTHX_ WARN_UNOPENED, "%s on unopened filehandle %s",
3064 PL_op_desc[PL_op->op_type], GvENAME(gv));
146174a9 3065 }
748a9306 3066 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 3067 RETPUSHUNDEF;
3068 }
3069 }
3070 else {
3071 sv = POPs;
5f05dabc 3072 really_filename:
3280af22
NIS		 3073 PL_statgv = Nullgv;
3074 PL_laststatval = -1;
2d8e6c8d 3075 sv_setpv(PL_statname, SvPV(sv, n_a));
146174a9 3076 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
2d8e6c8d 3077 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
cea2e8a9 3078 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
a0d0e21e
LW		 3079 RETPUSHUNDEF;
3080 }
146174a9
CB		 3081 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3082 if (PL_laststatval < 0) {
3083 (void)PerlIO_close(fp);
5f05dabc 3084 RETPUSHUNDEF;
146174a9 3085 }
92d29cee 3086 do_binmode(fp, '<', O_BINARY);
146174a9
CB		 3087 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3088 (void)PerlIO_close(fp);
a0d0e21e 3089 if (len <= 0) {
533c011a 3090 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
a0d0e21e
LW		 3091 RETPUSHNO; /* special case NFS directories */
3092 RETPUSHYES; /* null file is anything */
3093 }
3094 s = tbuf;
3095 }
3096
3097 /* now scan s to look for textiness */
4633a7c4 3098 /* XXX ASCII dependent code */
a0d0e21e 3099
146174a9
CB		 3100#if defined(DOSISH) || defined(USEMYBINMODE)
3101 /* ignore trailing ^Z on short files */
3102 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3103 --len;
3104#endif
3105
a0d0e21e
LW		 3106 for (i = 0; i < len; i++, s++) {
3107 if (!*s) { /* null never allowed in text */
3108 odd += len;
3109 break;
3110 }
9d116dd7
JH		 3111#ifdef EBCDIC
3112 else if (!(isPRINT(*s) || isSPACE(*s)))
3113 odd++;
3114#else
146174a9
CB		 3115 else if (*s & 128) {
3116#ifdef USE_LOCALE
b3f66c68
GS		 3117 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3118 continue;
3119#endif
3120 /* utf8 characters don't count as odd */
3121 if (*s & 0x40) {
3122 int ulen = UTF8SKIP(s);
3123 if (ulen < len - i) {
3124 int j;
3125 for (j = 1; j < ulen; j++) {
3126 if ((s[j] & 0xc0) != 0x80)
3127 goto not_utf8;
3128 }
3129 --ulen; /* loop does extra increment */
3130 s += ulen;
3131 i += ulen;
3132 continue;
3133 }
3134 }
3135 not_utf8:
3136 odd++;
146174a9 3137 }
a0d0e21e
LW		 3138 else if (*s < 32 &&
3139 *s != '\n' && *s != '\r' && *s != '\b' &&
3140 *s != '\t' && *s != '\f' && *s != 27)
3141 odd++;
9d116dd7 3142#endif
a0d0e21e
LW		 3143 }
3144
533c011a 3145 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
a0d0e21e
LW		 3146 RETPUSHNO;
3147 else
3148 RETPUSHYES;
3149}
3150
3151PP(pp_ftbinary)
3152{
cea2e8a9 3153 return pp_fttext();
a0d0e21e
LW		 3154}
3155
3156/* File calls. */
3157
3158PP(pp_chdir)
3159{
4e35701f 3160 djSP; dTARGET;
a0d0e21e
LW		 3161 char *tmps;
3162 SV **svp;
2d8e6c8d 3163 STRLEN n_a;
a0d0e21e
LW		 3164
3165 if (MAXARG < 1)
3166 tmps = Nullch;
3167 else
2d8e6c8d 3168 tmps = POPpx;
a0d0e21e 3169 if (!tmps || !*tmps) {
3280af22 3170 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
a0d0e21e 3171 if (svp)
2d8e6c8d 3172 tmps = SvPV(*svp, n_a);
a0d0e21e
LW		 3173 }
3174 if (!tmps || !*tmps) {
3280af22 3175 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
a0d0e21e 3176 if (svp)
2d8e6c8d 3177 tmps = SvPV(*svp, n_a);
a0d0e21e 3178 }
491527d0
GS		 3179#ifdef VMS
3180 if (!tmps || !*tmps) {
6b88bc9c 3181 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
491527d0 3182 if (svp)
2d8e6c8d 3183 tmps = SvPV(*svp, n_a);
491527d0
GS		 3184 }
3185#endif
a0d0e21e 3186 TAINT_PROPER("chdir");
6ad3d225 3187 PUSHi( PerlDir_chdir(tmps) >= 0 );
748a9306
LW		 3188#ifdef VMS
3189 /* Clear the DEFAULT element of ENV so we'll get the new value
3190 * in the future. */
6b88bc9c 3191 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
748a9306 3192#endif
a0d0e21e
LW		 3193 RETURN;
3194}
3195
3196PP(pp_chown)
3197{
4e35701f 3198 djSP; dMARK; dTARGET;
a0d0e21e
LW		 3199 I32 value;
3200#ifdef HAS_CHOWN
533c011a 3201 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3202 SP = MARK;
3203 PUSHi(value);
3204 RETURN;
3205#else
cea2e8a9 3206 DIE(aTHX_ PL_no_func, "Unsupported function chown");
a0d0e21e
LW		 3207#endif
3208}
3209
3210PP(pp_chroot)
3211{
4e35701f 3212 djSP; dTARGET;
a0d0e21e
LW		 3213 char *tmps;
3214#ifdef HAS_CHROOT
2d8e6c8d
GS		 3215 STRLEN n_a;
3216 tmps = POPpx;
a0d0e21e
LW		 3217 TAINT_PROPER("chroot");
3218 PUSHi( chroot(tmps) >= 0 );
3219 RETURN;
3220#else
cea2e8a9 3221 DIE(aTHX_ PL_no_func, "chroot");
a0d0e21e
LW		 3222#endif
3223}
3224
3225PP(pp_unlink)
3226{
4e35701f 3227 djSP; dMARK; dTARGET;
a0d0e21e 3228 I32 value;
533c011a 3229 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3230 SP = MARK;
3231 PUSHi(value);
3232 RETURN;
3233}
3234
3235PP(pp_chmod)
3236{
4e35701f 3237 djSP; dMARK; dTARGET;
a0d0e21e 3238 I32 value;
533c011a 3239 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3240 SP = MARK;
3241 PUSHi(value);
3242 RETURN;
3243}
3244
3245PP(pp_utime)
3246{
4e35701f 3247 djSP; dMARK; dTARGET;
a0d0e21e 3248 I32 value;
533c011a 3249 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3250 SP = MARK;
3251 PUSHi(value);
3252 RETURN;
3253}
3254
3255PP(pp_rename)
3256{
4e35701f 3257 djSP; dTARGET;
a0d0e21e 3258 int anum;
2d8e6c8d 3259 STRLEN n_a;
a0d0e21e 3260
2d8e6c8d
GS		 3261 char *tmps2 = POPpx;
3262 char *tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3263 TAINT_PROPER("rename");
3264#ifdef HAS_RENAME
baed7233 3265 anum = PerlLIO_rename(tmps, tmps2);
a0d0e21e 3266#else
6b88bc9c 3267 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
ed969818
W		 3268 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3269 anum = 1;
3270 else {
3654eb6c 3271 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
ed969818
W		 3272 (void)UNLINK(tmps2);
3273 if (!(anum = link(tmps, tmps2)))
3274 anum = UNLINK(tmps);
3275 }
a0d0e21e
LW		 3276 }
3277#endif
3278 SETi( anum >= 0 );
3279 RETURN;
3280}
3281
3282PP(pp_link)
3283{
4e35701f 3284 djSP; dTARGET;
a0d0e21e 3285#ifdef HAS_LINK
2d8e6c8d
GS		 3286 STRLEN n_a;
3287 char *tmps2 = POPpx;
3288 char *tmps = SvPV(TOPs, n_a);
a0d0e21e 3289 TAINT_PROPER("link");
146174a9 3290 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
a0d0e21e 3291#else
cea2e8a9 3292 DIE(aTHX_ PL_no_func, "Unsupported function link");
a0d0e21e
LW		 3293#endif
3294 RETURN;
3295}
3296
3297PP(pp_symlink)
3298{
4e35701f 3299 djSP; dTARGET;
a0d0e21e 3300#ifdef HAS_SYMLINK
2d8e6c8d
GS		 3301 STRLEN n_a;
3302 char *tmps2 = POPpx;
3303 char *tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3304 TAINT_PROPER("symlink");
3305 SETi( symlink(tmps, tmps2) >= 0 );
3306 RETURN;
3307#else
cea2e8a9 3308 DIE(aTHX_ PL_no_func, "symlink");
a0d0e21e
LW		 3309#endif
3310}
3311
3312PP(pp_readlink)
3313{
4e35701f 3314 djSP; dTARGET;
a0d0e21e
LW		 3315#ifdef HAS_SYMLINK
3316 char *tmps;
46fc3d4c 3317 char buf[MAXPATHLEN];
a0d0e21e 3318 int len;
2d8e6c8d 3319 STRLEN n_a;
46fc3d4c 3320
fb73857a 3321#ifndef INCOMPLETE_TAINTS
3322 TAINT;
3323#endif
2d8e6c8d 3324 tmps = POPpx;
a0d0e21e
LW		 3325 len = readlink(tmps, buf, sizeof buf);
3326 EXTEND(SP, 1);
3327 if (len < 0)
3328 RETPUSHUNDEF;
3329 PUSHp(buf, len);
3330 RETURN;
3331#else
3332 EXTEND(SP, 1);
3333 RETSETUNDEF; /* just pretend it's a normal file */
3334#endif
3335}
3336
3337#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
ba106d47 3338STATIC int
cea2e8a9 3339S_dooneliner(pTHX_ char *cmd, char *filename)
a0d0e21e 3340{
1e422769 3341 char *save_filename = filename;
3342 char *cmdline;
3343 char *s;
760ac839 3344 PerlIO *myfp;
1e422769 3345 int anum = 1;
a0d0e21e 3346
1e422769 3347 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3348 strcpy(cmdline, cmd);
3349 strcat(cmdline, " ");
3350 for (s = cmdline + strlen(cmdline); *filename; ) {
a0d0e21e
LW		 3351 *s++ = '\\';
3352 *s++ = *filename++;
3353 }
3354 strcpy(s, " 2>&1");
6ad3d225 3355 myfp = PerlProc_popen(cmdline, "r");
1e422769 3356 Safefree(cmdline);
3357
a0d0e21e 3358 if (myfp) {
1e422769 3359 SV *tmpsv = sv_newmortal();
6b88bc9c 3360 /* Need to save/restore 'PL_rs' ?? */
760ac839 3361 s = sv_gets(tmpsv, myfp, 0);
6ad3d225 3362 (void)PerlProc_pclose(myfp);
a0d0e21e 3363 if (s != Nullch) {
1e422769 3364 int e;
3365 for (e = 1;
a0d0e21e 3366#ifdef HAS_SYS_ERRLIST
1e422769 3367 e <= sys_nerr
3368#endif
3369 ; e++)
3370 {
3371 /* you don't see this */
3372 char *errmsg =
3373#ifdef HAS_SYS_ERRLIST
3374 sys_errlist[e]
a0d0e21e 3375#else
1e422769 3376 strerror(e)
a0d0e21e 3377#endif
1e422769 3378 ;
3379 if (!errmsg)
3380 break;
3381 if (instr(s, errmsg)) {
3382 SETERRNO(e,0);
3383 return 0;
3384 }
a0d0e21e 3385 }
748a9306 3386 SETERRNO(0,0);
a0d0e21e
LW		 3387#ifndef EACCES
3388#define EACCES EPERM
3389#endif
1e422769 3390 if (instr(s, "cannot make"))
748a9306 3391 SETERRNO(EEXIST,RMS$_FEX);
1e422769 3392 else if (instr(s, "existing file"))
748a9306 3393 SETERRNO(EEXIST,RMS$_FEX);
1e422769 3394 else if (instr(s, "ile exists"))
748a9306 3395 SETERRNO(EEXIST,RMS$_FEX);
1e422769 3396 else if (instr(s, "non-exist"))
748a9306 3397 SETERRNO(ENOENT,RMS$_FNF);
1e422769 3398 else if (instr(s, "does not exist"))
748a9306 3399 SETERRNO(ENOENT,RMS$_FNF);
1e422769 3400 else if (instr(s, "not empty"))
748a9306 3401 SETERRNO(EBUSY,SS$_DEVOFFLINE);
1e422769 3402 else if (instr(s, "cannot access"))
748a9306 3403 SETERRNO(EACCES,RMS$_PRV);
a0d0e21e 3404 else
748a9306 3405 SETERRNO(EPERM,RMS$_PRV);
a0d0e21e
LW		 3406 return 0;
3407 }
3408 else { /* some mkdirs return no failure indication */
6b88bc9c 3409 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
911d147d 3410 if (PL_op->op_type == OP_RMDIR)
a0d0e21e
LW		 3411 anum = !anum;
3412 if (anum)
748a9306 3413 SETERRNO(0,0);
a0d0e21e 3414 else
748a9306 3415 SETERRNO(EACCES,RMS$_PRV); /* a guess */
a0d0e21e
LW		 3416 }
3417 return anum;
3418 }
3419 else
3420 return 0;
3421}
3422#endif
3423
3424PP(pp_mkdir)
3425{
4e35701f 3426 djSP; dTARGET;
5a211162 3427 int mode;
a0d0e21e
LW		 3428#ifndef HAS_MKDIR
3429 int oldumask;
3430#endif
2d8e6c8d 3431 STRLEN n_a;
5a211162
GS		 3432 char *tmps;
3433
3434 if (MAXARG > 1)
3435 mode = POPi;
3436 else
3437 mode = 0777;
3438
3439 tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3440
3441 TAINT_PROPER("mkdir");
3442#ifdef HAS_MKDIR
6ad3d225 3443 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
a0d0e21e
LW		 3444#else
3445 SETi( dooneliner("mkdir", tmps) );
6ad3d225
GS		 3446 oldumask = PerlLIO_umask(0);
3447 PerlLIO_umask(oldumask);
3448 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
a0d0e21e
LW		 3449#endif
3450 RETURN;
3451}
3452
3453PP(pp_rmdir)
3454{
4e35701f 3455 djSP; dTARGET;
a0d0e21e 3456 char *tmps;
2d8e6c8d 3457 STRLEN n_a;
a0d0e21e 3458
2d8e6c8d 3459 tmps = POPpx;
a0d0e21e
LW		 3460 TAINT_PROPER("rmdir");
3461#ifdef HAS_RMDIR
6ad3d225 3462 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
a0d0e21e
LW		 3463#else
3464 XPUSHi( dooneliner("rmdir", tmps) );
3465#endif
3466 RETURN;
3467}
3468
3469/* Directory calls. */
3470
3471PP(pp_open_dir)
3472{
4e35701f 3473 djSP;
a0d0e21e 3474#if defined(Direntry_t) && defined(HAS_READDIR)
2d8e6c8d
GS		 3475 STRLEN n_a;
3476 char *dirname = POPpx;
a0d0e21e
LW		 3477 GV *gv = (GV*)POPs;
3478 register IO *io = GvIOn(gv);
3479
3480 if (!io)
3481 goto nope;
3482
3483 if (IoDIRP(io))
6ad3d225
GS		 3484 PerlDir_close(IoDIRP(io));
3485 if (!(IoDIRP(io) = PerlDir_open(dirname)))
a0d0e21e
LW		 3486 goto nope;
3487
3488 RETPUSHYES;
3489nope:
3490 if (!errno)
748a9306 3491 SETERRNO(EBADF,RMS$_DIR);
a0d0e21e
LW		 3492 RETPUSHUNDEF;
3493#else
cea2e8a9 3494 DIE(aTHX_ PL_no_dir_func, "opendir");
a0d0e21e
LW		 3495#endif
3496}
3497
3498PP(pp_readdir)
3499{
4e35701f 3500 djSP;
a0d0e21e
LW		 3501#if defined(Direntry_t) && defined(HAS_READDIR)
3502#ifndef I_DIRENT
20ce7b12 3503 Direntry_t *readdir (DIR *);
a0d0e21e
LW		 3504#endif
3505 register Direntry_t *dp;
3506 GV *gv = (GV*)POPs;
3507 register IO *io = GvIOn(gv);
fb73857a 3508 SV *sv;
a0d0e21e
LW		 3509
3510 if (!io || !IoDIRP(io))
3511 goto nope;
3512
3513 if (GIMME == G_ARRAY) {
3514 /*SUPPRESS 560*/
155aba94 3515 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
a0d0e21e 3516#ifdef DIRNAMLEN
79cb57f6 3517 sv = newSVpvn(dp->d_name, dp->d_namlen);
a0d0e21e 3518#else
fb73857a 3519 sv = newSVpv(dp->d_name, 0);
3520#endif
3521#ifndef INCOMPLETE_TAINTS
26fb8f1f
GS		 3522 if (!(IoFLAGS(io) & IOf_UNTAINT))
3523 SvTAINTED_on(sv);
a0d0e21e 3524#endif
fb73857a 3525 XPUSHs(sv_2mortal(sv));
a0d0e21e
LW		 3526 }
3527 }
3528 else {
6ad3d225 3529 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
a0d0e21e
LW		 3530 goto nope;
3531#ifdef DIRNAMLEN
79cb57f6 3532 sv = newSVpvn(dp->d_name, dp->d_namlen);
a0d0e21e 3533#else
fb73857a 3534 sv = newSVpv(dp->d_name, 0);
a0d0e21e 3535#endif
fb73857a 3536#ifndef INCOMPLETE_TAINTS
26fb8f1f
GS		 3537 if (!(IoFLAGS(io) & IOf_UNTAINT))
3538 SvTAINTED_on(sv);
fb73857a 3539#endif
3540 XPUSHs(sv_2mortal(sv));
a0d0e21e
LW		 3541 }
3542 RETURN;
3543
3544nope:
3545 if (!errno)
748a9306 3546 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW		 3547 if (GIMME == G_ARRAY)
3548 RETURN;
3549 else
3550 RETPUSHUNDEF;
3551#else
cea2e8a9 3552 DIE(aTHX_ PL_no_dir_func, "readdir");
a0d0e21e
LW		 3553#endif
3554}
3555
3556PP(pp_telldir)
3557{
4e35701f 3558 djSP; dTARGET;
a0d0e21e 3559#if defined(HAS_TELLDIR) || defined(telldir)
968dcd91
JH		 3560 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3561 /* XXX netbsd still seemed to.
3562 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3563 --JHI 1999-Feb-02 */
3564# if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
20ce7b12 3565 long telldir (DIR *);
dfe9444c 3566# endif
a0d0e21e
LW		 3567 GV *gv = (GV*)POPs;
3568 register IO *io = GvIOn(gv);
3569
3570 if (!io || !IoDIRP(io))
3571 goto nope;