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File::Temp tests were failing in Cygwin if $ENV{TMPDIR}
[perl5.git] / pp_sys.c
CommitLineData
a0d0e21e
LW		 1/* pp_sys.c
2 *
4c79ee7a 3 * Copyright (c) 1991-2003, Larry Wall
a0d0e21e
LW		 4 *
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
7 *
8 */
9
10/*
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
15 */
16
17#include "EXTERN.h"
864dbfa3 18#define PERL_IN_PP_SYS_C
a0d0e21e
LW		 19#include "perl.h"
20
f1066039
JH		 21#ifdef I_SHADOW
22/* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
3813c136
JH		 24 * The API is from SysV.
25 *
26 * There are at least two more shadow interfaces,
27 * see the comments in pp_gpwent().
28 *
29 * --jhi */
30# ifdef __hpux__
c529f79d 31/* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
301e8125 32 * and another MAXINT from "perl.h" <- <sys/param.h>. */
3813c136
JH		 33# undef MAXINT
34# endif
35# include <shadow.h>
8c0bfa08
PB		 36#endif
37
301e8125
NIS		 38#ifdef HAS_SYSCALL
39#ifdef __cplusplus
8ac85365
NIS		 40extern "C" int syscall(unsigned long,...);
41#endif
42#endif
43
76c32331 44#ifdef I_SYS_WAIT
45# include <sys/wait.h>
46#endif
47
48#ifdef I_SYS_RESOURCE
49# include <sys/resource.h>
16d20bd9 50#endif
a0d0e21e 51
2986a63f
JH		 52#ifdef NETWARE
53NETDB_DEFINE_CONTEXT
54#endif
55
a0d0e21e 56#ifdef HAS_SELECT
1e743fda
JH		 57# ifdef I_SYS_SELECT
58# include <sys/select.h>
59# endif
a0d0e21e 60#endif
a0d0e21e 61
dc45a647
MB		 62/* XXX Configure test needed.
63 h_errno might not be a simple 'int', especially for multi-threaded
5ff3f7a4
GS		 64 applications, see "extern int errno in perl.h". Creating such
65 a test requires taking into account the differences between
66 compiling multithreaded and singlethreaded ($ccflags et al).
67 HOST_NOT_FOUND is typically defined in <netdb.h>.
dc45a647 68*/
cb50131a 69#if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
a0d0e21e
LW		 70extern int h_errno;
71#endif
72
73#ifdef HAS_PASSWD
74# ifdef I_PWD
75# include <pwd.h>
76# else
fd8cd3a3 77# if !defined(VMS)
20ce7b12
GS		 78 struct passwd *getpwnam (char *);
79 struct passwd *getpwuid (Uid_t);
fd8cd3a3 80# endif
a0d0e21e 81# endif
28e8609d 82# ifdef HAS_GETPWENT
10bc17b6 83#ifndef getpwent
20ce7b12 84 struct passwd *getpwent (void);
c2a8f790
JH		 85#elif defined (VMS) && defined (my_getpwent)
86 struct passwd *Perl_my_getpwent (void);
10bc17b6 87#endif
28e8609d 88# endif
a0d0e21e
LW		 89#endif
90
91#ifdef HAS_GROUP
92# ifdef I_GRP
93# include <grp.h>
94# else
20ce7b12
GS		 95 struct group *getgrnam (char *);
96 struct group *getgrgid (Gid_t);
a0d0e21e 97# endif
28e8609d 98# ifdef HAS_GETGRENT
10bc17b6 99#ifndef getgrent
20ce7b12 100 struct group *getgrent (void);
10bc17b6 101#endif
28e8609d 102# endif
a0d0e21e
LW		 103#endif
104
105#ifdef I_UTIME
3730b96e 106# if defined(_MSC_VER) || defined(__MINGW32__)
3fe9a6f1 107# include <sys/utime.h>
108# else
109# include <utime.h>
110# endif
a0d0e21e 111#endif
a0d0e21e 112
cbdc8872 113#ifdef HAS_CHSIZE
cd52b7b2 114# ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
115# undef my_chsize
116# endif
6ad3d225 117# define my_chsize PerlLIO_chsize
cbdc8872 118#endif
119
ff68c719 120#ifdef HAS_FLOCK
121# define FLOCK flock
122#else /* no flock() */
123
36477c24 124 /* fcntl.h might not have been included, even if it exists, because
125 the current Configure only sets I_FCNTL if it's needed to pick up
126 the *_OK constants. Make sure it has been included before testing
127 the fcntl() locking constants. */
128# if defined(HAS_FCNTL) && !defined(I_FCNTL)
129# include <fcntl.h>
130# endif
131
9d9004a9 132# if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
ff68c719 133# define FLOCK fcntl_emulate_flock
134# define FCNTL_EMULATE_FLOCK
135# else /* no flock() or fcntl(F_SETLK,...) */
136# ifdef HAS_LOCKF
137# define FLOCK lockf_emulate_flock
138# define LOCKF_EMULATE_FLOCK
139# endif /* lockf */
140# endif /* no flock() or fcntl(F_SETLK,...) */
141
142# ifdef FLOCK
20ce7b12 143 static int FLOCK (int, int);
ff68c719 144
145 /*
146 * These are the flock() constants. Since this sytems doesn't have
147 * flock(), the values of the constants are probably not available.
148 */
149# ifndef LOCK_SH
150# define LOCK_SH 1
151# endif
152# ifndef LOCK_EX
153# define LOCK_EX 2
154# endif
155# ifndef LOCK_NB
156# define LOCK_NB 4
157# endif
158# ifndef LOCK_UN
159# define LOCK_UN 8
160# endif
161# endif /* emulating flock() */
162
163#endif /* no flock() */
55497cff 164
85ab1d1d
JH		 165#define ZBTLEN 10
166static char zero_but_true[ZBTLEN + 1] = "0 but true";
167
5ff3f7a4
GS		 168#if defined(I_SYS_ACCESS) && !defined(R_OK)
169# include <sys/access.h>
170#endif
171
c529f79d
CB		 172#if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
173# define FD_CLOEXEC 1 /* NeXT needs this */
174#endif
175
a4af207c
JH		 176#include "reentr.h"
177
5ff3f7a4
GS		 178#undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
179#undef PERL_EFF_ACCESS_W_OK
180#undef PERL_EFF_ACCESS_X_OK
181
182/* F_OK unused: if stat() cannot find it... */
183
184#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
c955f117 185 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
5ff3f7a4
GS		 186# define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
187# define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
188# define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
189#endif
190
191#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
3813c136 192# ifdef I_SYS_SECURITY
5ff3f7a4
GS		 193# include <sys/security.h>
194# endif
c955f117
JH		 195# ifdef ACC_SELF
196 /* HP SecureWare */
197# define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
198# define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
199# define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
200# else
201 /* SCO */
202# define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
203# define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
204# define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
205# endif
5ff3f7a4
GS		 206#endif
207
208#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
c955f117 209 /* AIX */
5ff3f7a4
GS		 210# define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
211# define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
212# define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
213#endif
214
327c3667
GS		 215#if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
216 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
217 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
5ff3f7a4 218/* The Hard Way. */
327c3667 219STATIC int
7f4774ae 220S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
ba106d47 221{
5ff3f7a4
GS		 222 Uid_t ruid = getuid();
223 Uid_t euid = geteuid();
224 Gid_t rgid = getgid();
225 Gid_t egid = getegid();
226 int res;
227
146174a9 228 LOCK_CRED_MUTEX;
5ff3f7a4 229#if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
cea2e8a9 230 Perl_croak(aTHX_ "switching effective uid is not implemented");
5ff3f7a4
GS		 231#else
232#ifdef HAS_SETREUID
233 if (setreuid(euid, ruid))
234#else
235#ifdef HAS_SETRESUID
236 if (setresuid(euid, ruid, (Uid_t)-1))
237#endif
238#endif
cea2e8a9 239 Perl_croak(aTHX_ "entering effective uid failed");
5ff3f7a4
GS		 240#endif
241
242#if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
cea2e8a9 243 Perl_croak(aTHX_ "switching effective gid is not implemented");
5ff3f7a4
GS		 244#else
245#ifdef HAS_SETREGID
246 if (setregid(egid, rgid))
247#else
248#ifdef HAS_SETRESGID
249 if (setresgid(egid, rgid, (Gid_t)-1))
250#endif
251#endif
cea2e8a9 252 Perl_croak(aTHX_ "entering effective gid failed");
5ff3f7a4
GS		 253#endif
254
255 res = access(path, mode);
256
257#ifdef HAS_SETREUID
258 if (setreuid(ruid, euid))
259#else
260#ifdef HAS_SETRESUID
261 if (setresuid(ruid, euid, (Uid_t)-1))
262#endif
263#endif
cea2e8a9 264 Perl_croak(aTHX_ "leaving effective uid failed");
5ff3f7a4
GS		 265
266#ifdef HAS_SETREGID
267 if (setregid(rgid, egid))
268#else
269#ifdef HAS_SETRESGID
270 if (setresgid(rgid, egid, (Gid_t)-1))
271#endif
272#endif
cea2e8a9 273 Perl_croak(aTHX_ "leaving effective gid failed");
146174a9 274 UNLOCK_CRED_MUTEX;
5ff3f7a4
GS		 275
276 return res;
277}
278# define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
279# define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
280# define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
281#endif
282
283#if !defined(PERL_EFF_ACCESS_R_OK)
76ffd3b9
IZ		 284/* With it or without it: anyway you get a warning: either that
285 it is unused, or it is declared static and never defined.
286 */
327c3667 287STATIC int
7f4774ae 288S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
ba106d47 289{
cea2e8a9 290 Perl_croak(aTHX_ "switching effective uid is not implemented");
5ff3f7a4
GS		 291 /*NOTREACHED*/
292 return -1;
293}
294#endif
295
a0d0e21e
LW		 296PP(pp_backtick)
297{
39644a26 298 dSP; dTARGET;
760ac839 299 PerlIO *fp;
2d8e6c8d
GS		 300 STRLEN n_a;
301 char *tmps = POPpx;
54310121 302 I32 gimme = GIMME_V;
16fe6d59 303 char *mode = "r";
54310121 304
a0d0e21e 305 TAINT_PROPER("``");
16fe6d59
GS		 306 if (PL_op->op_private & OPpOPEN_IN_RAW)
307 mode = "rb";
308 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
309 mode = "rt";
310 fp = PerlProc_popen(tmps, mode);
a0d0e21e 311 if (fp) {
ac27b0f5
NIS		 312 char *type = NULL;
313 if (PL_curcop->cop_io) {
314 type = SvPV_nolen(PL_curcop->cop_io);
315 }
ac27b0f5
NIS		 316 if (type && *type)
317 PerlIO_apply_layers(aTHX_ fp,mode,type);
318
54310121 319 if (gimme == G_VOID) {
96827780
MB		 320 char tmpbuf[256];
321 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
54310121 322 /*SUPPRESS 530*/
323 ;
324 }
325 else if (gimme == G_SCALAR) {
fa326138
RG		 326 SV *oldrs = PL_rs;
327 PL_rs = &PL_sv_undef;
aa689395 328 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
a0d0e21e
LW		 329 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
330 /*SUPPRESS 530*/
331 ;
fa326138 332 PL_rs = oldrs;
a0d0e21e 333 XPUSHs(TARG);
aa689395 334 SvTAINTED_on(TARG);
a0d0e21e
LW		 335 }
336 else {
337 SV *sv;
338
339 for (;;) {
8d6dde3e 340 sv = NEWSV(56, 79);
a0d0e21e
LW		 341 if (sv_gets(sv, fp, 0) == Nullch) {
342 SvREFCNT_dec(sv);
343 break;
344 }
345 XPUSHs(sv_2mortal(sv));
346 if (SvLEN(sv) - SvCUR(sv) > 20) {
347 SvLEN_set(sv, SvCUR(sv)+1);
348 Renew(SvPVX(sv), SvLEN(sv), char);
349 }
aa689395 350 SvTAINTED_on(sv);
a0d0e21e
LW		 351 }
352 }
6ad3d225 353 STATUS_NATIVE_SET(PerlProc_pclose(fp));
aa689395 354 TAINT; /* "I believe that this is not gratuitous!" */
a0d0e21e
LW		 355 }
356 else {
f86702cc 357 STATUS_NATIVE_SET(-1);
54310121 358 if (gimme == G_SCALAR)
a0d0e21e
LW		 359 RETPUSHUNDEF;
360 }
361
362 RETURN;
363}
364
365PP(pp_glob)
366{
367 OP *result;
f5284f61
IZ		 368 tryAMAGICunTARGET(iter, -1);
369
71686f12
GS		 370 /* Note that we only ever get here if File::Glob fails to load
371 * without at the same time croaking, for some reason, or if
372 * perl was built with PERL_EXTERNAL_GLOB */
373
a0d0e21e 374 ENTER;
a0d0e21e 375
c90c0ff4 376#ifndef VMS
3280af22 377 if (PL_tainting) {
7bac28a0 378 /*
379 * The external globbing program may use things we can't control,
380 * so for security reasons we must assume the worst.
381 */
382 TAINT;
22c35a8c 383 taint_proper(PL_no_security, "glob");
7bac28a0 384 }
c90c0ff4 385#endif /* !VMS */
7bac28a0 386
3280af22
NIS		 387 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
388 PL_last_in_gv = (GV*)*PL_stack_sp--;
a0d0e21e 389
3280af22 390 SAVESPTR(PL_rs); /* This is not permanent, either. */
79cb57f6 391 PL_rs = sv_2mortal(newSVpvn("\000", 1));
c07a80fd 392#ifndef DOSISH
393#ifndef CSH
6b88bc9c 394 *SvPVX(PL_rs) = '\n';
a0d0e21e 395#endif /* !CSH */
55497cff 396#endif /* !DOSISH */
c07a80fd 397
a0d0e21e
LW		 398 result = do_readline();
399 LEAVE;
400 return result;
401}
402
a0d0e21e
LW		 403PP(pp_rcatline)
404{
146174a9 405 PL_last_in_gv = cGVOP_gv;
a0d0e21e
LW		 406 return do_readline();
407}
408
409PP(pp_warn)
410{
39644a26 411 dSP; dMARK;
06bf62c7 412 SV *tmpsv;
a0d0e21e 413 char *tmps;
06bf62c7 414 STRLEN len;
a0d0e21e
LW		 415 if (SP - MARK != 1) {
416 dTARGET;
3280af22 417 do_join(TARG, &PL_sv_no, MARK, SP);
06bf62c7 418 tmpsv = TARG;
a0d0e21e
LW		 419 SP = MARK + 1;
420 }
421 else {
06bf62c7 422 tmpsv = TOPs;
a0d0e21e 423 }
06bf62c7
GS		 424 tmps = SvPV(tmpsv, len);
425 if (!tmps || !len) {
4e6ea2c3
GS		 426 SV *error = ERRSV;
427 (void)SvUPGRADE(error, SVt_PV);
428 if (SvPOK(error) && SvCUR(error))
429 sv_catpv(error, "\t...caught");
06bf62c7
GS		 430 tmpsv = error;
431 tmps = SvPV(tmpsv, len);
a0d0e21e 432 }
06bf62c7
GS		 433 if (!tmps || !len)
434 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
435
cb50131a 436 Perl_warn(aTHX_ "%"SVf, tmpsv);
a0d0e21e
LW		 437 RETSETYES;
438}
439
440PP(pp_die)
441{
39644a26 442 dSP; dMARK;
a0d0e21e 443 char *tmps;
06bf62c7
GS		 444 SV *tmpsv;
445 STRLEN len;
446 bool multiarg = 0;
96e176bf
CL		 447#ifdef VMS
448 VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH);
449#endif
a0d0e21e
LW		 450 if (SP - MARK != 1) {
451 dTARGET;
3280af22 452 do_join(TARG, &PL_sv_no, MARK, SP);
06bf62c7
GS		 453 tmpsv = TARG;
454 tmps = SvPV(tmpsv, len);
455 multiarg = 1;
a0d0e21e
LW		 456 SP = MARK + 1;
457 }
458 else {
4e6ea2c3 459 tmpsv = TOPs;
bf12611a 460 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
a0d0e21e 461 }
06bf62c7 462 if (!tmps || !len) {
4e6ea2c3
GS		 463 SV *error = ERRSV;
464 (void)SvUPGRADE(error, SVt_PV);
06bf62c7
GS		 465 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
466 if (!multiarg)
4e6ea2c3 467 SvSetSV(error,tmpsv);
06bf62c7 468 else if (sv_isobject(error)) {
05423cc9
GS		 469 HV *stash = SvSTASH(SvRV(error));
470 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
471 if (gv) {
146174a9 472 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
b448e4fe 473 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
05423cc9
GS		 474 EXTEND(SP, 3);
475 PUSHMARK(SP);
476 PUSHs(error);
477 PUSHs(file);
478 PUSHs(line);
479 PUTBACK;
864dbfa3
GS		 480 call_sv((SV*)GvCV(gv),
481 G_SCALAR|G_EVAL|G_KEEPERR);
3280af22 482 sv_setsv(error,*PL_stack_sp--);
05423cc9
GS		 483 }
484 }
b3fe4827 485 DIE(aTHX_ Nullformat);
4e6ea2c3
GS		 486 }
487 else {
488 if (SvPOK(error) && SvCUR(error))
489 sv_catpv(error, "\t...propagated");
06bf62c7
GS		 490 tmpsv = error;
491 tmps = SvPV(tmpsv, len);
4e6ea2c3 492 }
a0d0e21e 493 }
06bf62c7
GS		 494 if (!tmps || !len)
495 tmpsv = sv_2mortal(newSVpvn("Died", 4));
496
cb50131a 497 DIE(aTHX_ "%"SVf, tmpsv);
a0d0e21e
LW		 498}
499
500/* I/O. */
501
502PP(pp_open)
503{
39644a26 504 dSP;
a567e93b
NIS		 505 dMARK; dORIGMARK;
506 dTARGET;
a0d0e21e
LW		 507 GV *gv;
508 SV *sv;
5b468f54 509 IO *io;
a0d0e21e
LW		 510 char *tmps;
511 STRLEN len;
4592e6ca 512 MAGIC *mg;
a567e93b 513 bool ok;
a0d0e21e 514
a567e93b 515 gv = (GV *)*++MARK;
5f05dabc 516 if (!isGV(gv))
cea2e8a9 517 DIE(aTHX_ PL_no_usym, "filehandle");
5b468f54 518 if ((io = GvIOp(gv)))
36477c24 519 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
853846ea 520
5b468f54 521 if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) {
a567e93b
NIS		 522 /* Method's args are same as ours ... */
523 /* ... except handle is replaced by the object */
5b468f54 524 *MARK-- = SvTIED_obj((SV*)io, mg);
a567e93b 525 PUSHMARK(MARK);
4592e6ca
NIS		 526 PUTBACK;
527 ENTER;
864dbfa3 528 call_method("OPEN", G_SCALAR);
4592e6ca
NIS		 529 LEAVE;
530 SPAGAIN;
531 RETURN;
532 }
533
a567e93b
NIS		 534 if (MARK < SP) {
535 sv = *++MARK;
536 }
537 else {
538 sv = GvSV(gv);
539 }
540
a0d0e21e 541 tmps = SvPV(sv, len);
a567e93b
NIS		 542 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
543 SP = ORIGMARK;
544 if (ok)
3280af22
NIS		 545 PUSHi( (I32)PL_forkprocess );
546 else if (PL_forkprocess == 0) /* we are a new child */
a0d0e21e
LW		 547 PUSHi(0);
548 else
549 RETPUSHUNDEF;
550 RETURN;
551}
552
553PP(pp_close)
554{
39644a26 555 dSP;
a0d0e21e 556 GV *gv;
5b468f54 557 IO *io;
1d603a67 558 MAGIC *mg;
a0d0e21e
LW		 559
560 if (MAXARG == 0)
3280af22 561 gv = PL_defoutgv;
a0d0e21e
LW		 562 else
563 gv = (GV*)POPs;
1d603a67 564
5b468f54
AMS		 565 if (gv && (io = GvIO(gv))
566 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
567 {
1d603a67 568 PUSHMARK(SP);
5b468f54 569 XPUSHs(SvTIED_obj((SV*)io, mg));
1d603a67
GB		 570 PUTBACK;
571 ENTER;
864dbfa3 572 call_method("CLOSE", G_SCALAR);
1d603a67
GB		 573 LEAVE;
574 SPAGAIN;
575 RETURN;
576 }
a0d0e21e 577 EXTEND(SP, 1);
54310121 578 PUSHs(boolSV(do_close(gv, TRUE)));
a0d0e21e
LW		 579 RETURN;
580}
581
582PP(pp_pipe_op)
583{
a0d0e21e 584#ifdef HAS_PIPE
9cad6237 585 dSP;
a0d0e21e
LW		 586 GV *rgv;
587 GV *wgv;
588 register IO *rstio;
589 register IO *wstio;
590 int fd[2];
591
592 wgv = (GV*)POPs;
593 rgv = (GV*)POPs;
594
595 if (!rgv || !wgv)
596 goto badexit;
597
4633a7c4 598 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
cea2e8a9 599 DIE(aTHX_ PL_no_usym, "filehandle");
a0d0e21e
LW		 600 rstio = GvIOn(rgv);
601 wstio = GvIOn(wgv);
602
603 if (IoIFP(rstio))
604 do_close(rgv, FALSE);
605 if (IoIFP(wstio))
606 do_close(wgv, FALSE);
607
6ad3d225 608 if (PerlProc_pipe(fd) < 0)
a0d0e21e
LW		 609 goto badexit;
610
479b2847
GS		 611 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPESOCK_MODE);
612 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPESOCK_MODE);
b5ac89c3 613 IoOFP(rstio) = IoIFP(rstio);
a0d0e21e 614 IoIFP(wstio) = IoOFP(wstio);
50952442
JH		 615 IoTYPE(rstio) = IoTYPE_RDONLY;
616 IoTYPE(wstio) = IoTYPE_WRONLY;
a0d0e21e
LW		 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{
39644a26 640 dSP; 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 649
5b468f54
AMS		 650 if (gv && (io = GvIO(gv))
651 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
652 {
4592e6ca 653 PUSHMARK(SP);
5b468f54 654 XPUSHs(SvTIED_obj((SV*)io, mg));
4592e6ca
NIS		 655 PUTBACK;
656 ENTER;
864dbfa3 657 call_method("FILENO", G_SCALAR);
4592e6ca
NIS		 658 LEAVE;
659 SPAGAIN;
660 RETURN;
661 }
662
c289d2f7
JH		 663 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io))) {
664 /* Can't do this because people seem to do things like
665 defined(fileno($foo)) to check whether $foo is a valid fh.
666 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
667 report_evil_fh(gv, io, PL_op->op_type);
668 */
a0d0e21e 669 RETPUSHUNDEF;
c289d2f7
JH		 670 }
671
760ac839 672 PUSHi(PerlIO_fileno(fp));
a0d0e21e
LW		 673 RETURN;
674}
675
676PP(pp_umask)
677{
39644a26 678 dSP; dTARGET;
d7e492a4 679#ifdef HAS_UMASK
761237fe 680 Mode_t anum;
a0d0e21e 681
a0d0e21e 682 if (MAXARG < 1) {
6ad3d225
GS		 683 anum = PerlLIO_umask(0);
684 (void)PerlLIO_umask(anum);
a0d0e21e
LW		 685 }
686 else
6ad3d225 687 anum = PerlLIO_umask(POPi);
a0d0e21e
LW		 688 TAINT_PROPER("umask");
689 XPUSHi(anum);
690#else
eec2d3df
GS		 691 /* Only DIE if trying to restrict permissions on `user' (self).
692 * Otherwise it's harmless and more useful to just return undef
693 * since 'group' and 'other' concepts probably don't exist here. */
694 if (MAXARG >= 1 && (POPi & 0700))
cea2e8a9 695 DIE(aTHX_ "umask not implemented");
6b88bc9c 696 XPUSHs(&PL_sv_undef);
a0d0e21e
LW		 697#endif
698 RETURN;
699}
700
701PP(pp_binmode)
702{
39644a26 703 dSP;
a0d0e21e
LW		 704 GV *gv;
705 IO *io;
760ac839 706 PerlIO *fp;
4592e6ca 707 MAGIC *mg;
16fe6d59 708 SV *discp = Nullsv;
a0d0e21e
LW		 709
710 if (MAXARG < 1)
711 RETPUSHUNDEF;
60382766 712 if (MAXARG > 1) {
16fe6d59 713 discp = POPs;
60382766 714 }
a0d0e21e 715
301e8125 716 gv = (GV*)POPs;
4592e6ca 717
5b468f54
AMS		 718 if (gv && (io = GvIO(gv))
719 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
720 {
4592e6ca 721 PUSHMARK(SP);
5b468f54 722 XPUSHs(SvTIED_obj((SV*)io, mg));
16fe6d59
GS		 723 if (discp)
724 XPUSHs(discp);
4592e6ca
NIS		 725 PUTBACK;
726 ENTER;
864dbfa3 727 call_method("BINMODE", G_SCALAR);
4592e6ca
NIS		 728 LEAVE;
729 SPAGAIN;
730 RETURN;
731 }
a0d0e21e
LW		 732
733 EXTEND(SP, 1);
50f846a7 734 if (!(io = GvIO(gv)) || !(fp = IoIFP(io))) {
c289d2f7
JH		 735 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
736 report_evil_fh(gv, io, PL_op->op_type);
b5fe5ca2 737 SETERRNO(EBADF,RMS_IFI);
50f846a7
SC		 738 RETPUSHUNDEF;
739 }
a0d0e21e 740
40d98b49 741 PUTBACK;
60382766 742 if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
40d98b49
JH		 743 (discp) ? SvPV_nolen(discp) : Nullch)) {
744 SPAGAIN;
a0d0e21e 745 RETPUSHYES;
40d98b49
JH		 746 }
747 else {
748 SPAGAIN;
a0d0e21e 749 RETPUSHUNDEF;
40d98b49 750 }
a0d0e21e
LW		 751}
752
753PP(pp_tie)
754{
39644a26 755 dSP;
e336de0d 756 dMARK;
a0d0e21e
LW		 757 SV *varsv;
758 HV* stash;
759 GV *gv;
a0d0e21e 760 SV *sv;
3280af22 761 I32 markoff = MARK - PL_stack_base;
a0d0e21e 762 char *methname;
14befaf4 763 int how = PERL_MAGIC_tied;
e336de0d 764 U32 items;
a0d0e21e 765
e336de0d 766 varsv = *++MARK;
6b05c17a
NIS		 767 switch(SvTYPE(varsv)) {
768 case SVt_PVHV:
769 methname = "TIEHASH";
03c6e78a 770 HvEITER((HV *)varsv) = Null(HE *);
6b05c17a
NIS		 771 break;
772 case SVt_PVAV:
773 methname = "TIEARRAY";
774 break;
775 case SVt_PVGV:
7fb37951
AMS		 776#ifdef GV_UNIQUE_CHECK
777 if (GvUNIQUE((GV*)varsv)) {
778 Perl_croak(aTHX_ "Attempt to tie unique GV");
5bd07a3d
DM		 779 }
780#endif
6b05c17a 781 methname = "TIEHANDLE";
14befaf4 782 how = PERL_MAGIC_tiedscalar;
5b468f54
AMS		 783 /* For tied filehandles, we apply tiedscalar magic to the IO
784 slot of the GP rather than the GV itself. AMS 20010812 */
785 if (!GvIOp(varsv))
786 GvIOp(varsv) = newIO();
787 varsv = (SV *)GvIOp(varsv);
6b05c17a
NIS		 788 break;
789 default:
790 methname = "TIESCALAR";
14befaf4 791 how = PERL_MAGIC_tiedscalar;
6b05c17a
NIS		 792 break;
793 }
e336de0d
GS		 794 items = SP - MARK++;
795 if (sv_isobject(*MARK)) {
6b05c17a 796 ENTER;
e788e7d3 797 PUSHSTACKi(PERLSI_MAGIC);
e336de0d 798 PUSHMARK(SP);
eb160463 799 EXTEND(SP,(I32)items);
e336de0d
GS		 800 while (items--)
801 PUSHs(*MARK++);
802 PUTBACK;
864dbfa3 803 call_method(methname, G_SCALAR);
301e8125 804 }
6b05c17a 805 else {
864dbfa3 806 /* Not clear why we don't call call_method here too.
6b05c17a
NIS		 807 * perhaps to get different error message ?
808 */
e336de0d 809 stash = gv_stashsv(*MARK, FALSE);
6b05c17a 810 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
35c1215d
NC		 811 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"",
812 methname, *MARK);
6b05c17a
NIS		 813 }
814 ENTER;
e788e7d3 815 PUSHSTACKi(PERLSI_MAGIC);
e336de0d 816 PUSHMARK(SP);
eb160463 817 EXTEND(SP,(I32)items);
e336de0d
GS		 818 while (items--)
819 PUSHs(*MARK++);
820 PUTBACK;
864dbfa3 821 call_sv((SV*)GvCV(gv), G_SCALAR);
6b05c17a 822 }
a0d0e21e
LW		 823 SPAGAIN;
824
825 sv = TOPs;
d3acc0f7 826 POPSTACK;
a0d0e21e 827 if (sv_isobject(sv)) {
33c27489 828 sv_unmagic(varsv, how);
ae21d580 829 /* Croak if a self-tie on an aggregate is attempted. */
b881518d 830 if (varsv == SvRV(sv) &&
d87ebaca
YST		 831 (SvTYPE(varsv) == SVt_PVAV ||
832 SvTYPE(varsv) == SVt_PVHV))
ae21d580
JH		 833 Perl_croak(aTHX_
834 "Self-ties of arrays and hashes are not supported");
d87ebaca 835 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
a0d0e21e
LW		 836 }
837 LEAVE;
3280af22 838 SP = PL_stack_base + markoff;
a0d0e21e
LW		 839 PUSHs(sv);
840 RETURN;
841}
842
843PP(pp_untie)
844{
39644a26 845 dSP;
5b468f54 846 MAGIC *mg;
33c27489 847 SV *sv = POPs;
14befaf4
DM		 848 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
849 ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
55497cff 850
5b468f54
AMS		 851 if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv)))
852 RETPUSHYES;
853
854 if ((mg = SvTIED_mg(sv, how))) {
a29a5827
NIS		 855 SV *obj = SvRV(mg->mg_obj);
856 GV *gv;
857 CV *cv = NULL;
fa2b88e0
JS		 858 if (obj) {
859 if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
860 isGV(gv) && (cv = GvCV(gv))) {
861 PUSHMARK(SP);
862 XPUSHs(SvTIED_obj((SV*)gv, mg));
863 XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
864 PUTBACK;
865 ENTER;
866 call_sv((SV *)cv, G_VOID);
867 LEAVE;
868 SPAGAIN;
869 }
870 else if (ckWARN(WARN_UNTIE)) {
871 if (mg && SvREFCNT(obj) > 1)
9014280d 872 Perl_warner(aTHX_ packWARN(WARN_UNTIE),
fa2b88e0
JS		 873 "untie attempted while %"UVuf" inner references still exist",
874 (UV)SvREFCNT(obj) - 1 ) ;
875 }
cbdc8872 876 }
fa2b88e0 877 sv_unmagic(sv, how) ;
cbdc8872 878 }
55497cff 879 RETPUSHYES;
a0d0e21e
LW		 880}
881
c07a80fd 882PP(pp_tied)
883{
39644a26 884 dSP;
5b468f54 885 MAGIC *mg;
33c27489 886 SV *sv = POPs;
14befaf4
DM		 887 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
888 ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
5b468f54
AMS		 889
890 if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv)))
891 RETPUSHUNDEF;
c07a80fd 892
155aba94 893 if ((mg = SvTIED_mg(sv, how))) {
33c27489
GS		 894 SV *osv = SvTIED_obj(sv, mg);
895 if (osv == mg->mg_obj)
896 osv = sv_mortalcopy(osv);
897 PUSHs(osv);
898 RETURN;
c07a80fd 899 }
c07a80fd 900 RETPUSHUNDEF;
901}
902
a0d0e21e
LW		 903PP(pp_dbmopen)
904{
39644a26 905 dSP;
a0d0e21e
LW		 906 HV *hv;
907 dPOPPOPssrl;
908 HV* stash;
909 GV *gv;
a0d0e21e
LW		 910 SV *sv;
911
912 hv = (HV*)POPs;
913
3280af22 914 sv = sv_mortalcopy(&PL_sv_no);
a0d0e21e
LW		 915 sv_setpv(sv, "AnyDBM_File");
916 stash = gv_stashsv(sv, FALSE);
8ebc5c01 917 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
a0d0e21e 918 PUTBACK;
864dbfa3 919 require_pv("AnyDBM_File.pm");
a0d0e21e 920 SPAGAIN;
8ebc5c01 921 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
cea2e8a9 922 DIE(aTHX_ "No dbm on this machine");
a0d0e21e
LW		 923 }
924
57d3b86d 925 ENTER;
924508f0 926 PUSHMARK(SP);
6b05c17a 927
924508f0 928 EXTEND(SP, 5);
a0d0e21e
LW		 929 PUSHs(sv);
930 PUSHs(left);
931 if (SvIV(right))
b448e4fe 932 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
a0d0e21e 933 else
b448e4fe 934 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
a0d0e21e 935 PUSHs(right);
57d3b86d 936 PUTBACK;
864dbfa3 937 call_sv((SV*)GvCV(gv), G_SCALAR);
a0d0e21e
LW		 938 SPAGAIN;
939
940 if (!sv_isobject(TOPs)) {
924508f0
GS		 941 SP--;
942 PUSHMARK(SP);
a0d0e21e
LW		 943 PUSHs(sv);
944 PUSHs(left);
b448e4fe 945 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
a0d0e21e 946 PUSHs(right);
a0d0e21e 947 PUTBACK;
864dbfa3 948 call_sv((SV*)GvCV(gv), G_SCALAR);
a0d0e21e
LW		 949 SPAGAIN;
950 }
951
6b05c17a 952 if (sv_isobject(TOPs)) {
14befaf4
DM		 953 sv_unmagic((SV *) hv, PERL_MAGIC_tied);
954 sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0);
6b05c17a 955 }
a0d0e21e
LW		 956 LEAVE;
957 RETURN;
958}
959
960PP(pp_dbmclose)
961{
cea2e8a9 962 return pp_untie();
a0d0e21e
LW		 963}
964
965PP(pp_sselect)
966{
a0d0e21e 967#ifdef HAS_SELECT
9cad6237 968 dSP; dTARGET;
a0d0e21e
LW		 969 register I32 i;
970 register I32 j;
971 register char *s;
972 register SV *sv;
65202027 973 NV value;
a0d0e21e
LW		 974 I32 maxlen = 0;
975 I32 nfound;
976 struct timeval timebuf;
977 struct timeval *tbuf = &timebuf;
978 I32 growsize;
979 char *fd_sets[4];
2d8e6c8d 980 STRLEN n_a;
a0d0e21e
LW		 981#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
982 I32 masksize;
983 I32 offset;
984 I32 k;
985
986# if BYTEORDER & 0xf0000
987# define ORDERBYTE (0x88888888 - BYTEORDER)
988# else
989# define ORDERBYTE (0x4444 - BYTEORDER)
990# endif
991
992#endif
993
994 SP -= 4;
995 for (i = 1; i <= 3; i++) {
996 if (!SvPOK(SP[i]))
997 continue;
998 j = SvCUR(SP[i]);
999 if (maxlen < j)
1000 maxlen = j;
1001 }
1002
5ff3f7a4 1003/* little endians can use vecs directly */
e366b469 1004#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
5ff3f7a4 1005# ifdef NFDBITS
a0d0e21e 1006
5ff3f7a4
GS		 1007# ifndef NBBY
1008# define NBBY 8
1009# endif
a0d0e21e
LW		 1010
1011 masksize = NFDBITS / NBBY;
5ff3f7a4 1012# else
a0d0e21e 1013 masksize = sizeof(long); /* documented int, everyone seems to use long */
5ff3f7a4 1014# endif
a0d0e21e
LW		 1015 Zero(&fd_sets[0], 4, char*);
1016#endif
1017
e366b469
PG		 1018# if SELECT_MIN_BITS > 1
1019 /* If SELECT_MIN_BITS is greater than one we most probably will want
1020 * to align the sizes with SELECT_MIN_BITS/8 because for example
1021 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
1022 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
1023 * on (sets/tests/clears bits) is 32 bits. */
1024 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
1025# else
1026 growsize = sizeof(fd_set);
1027# endif
1028
a0d0e21e
LW		 1029 sv = SP[4];
1030 if (SvOK(sv)) {
1031 value = SvNV(sv);
1032 if (value < 0.0)
1033 value = 0.0;
1034 timebuf.tv_sec = (long)value;
65202027 1035 value -= (NV)timebuf.tv_sec;
a0d0e21e
LW		 1036 timebuf.tv_usec = (long)(value * 1000000.0);
1037 }
1038 else
1039 tbuf = Null(struct timeval*);
1040
1041 for (i = 1; i <= 3; i++) {
1042 sv = SP[i];
1043 if (!SvOK(sv)) {
1044 fd_sets[i] = 0;
1045 continue;
1046 }
1047 else if (!SvPOK(sv))
2d8e6c8d 1048 SvPV_force(sv,n_a); /* force string conversion */
a0d0e21e
LW		 1049 j = SvLEN(sv);
1050 if (j < growsize) {
1051 Sv_Grow(sv, growsize);
a0d0e21e 1052 }
c07a80fd 1053 j = SvCUR(sv);
1054 s = SvPVX(sv) + j;
1055 while (++j <= growsize) {
1056 *s++ = '\0';
1057 }
1058
a0d0e21e
LW		 1059#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1060 s = SvPVX(sv);
1061 New(403, fd_sets[i], growsize, char);
1062 for (offset = 0; offset < growsize; offset += masksize) {
1063 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1064 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1065 }
1066#else
1067 fd_sets[i] = SvPVX(sv);
1068#endif
1069 }
1070
6ad3d225 1071 nfound = PerlSock_select(
a0d0e21e
LW		 1072 maxlen * 8,
1073 (Select_fd_set_t) fd_sets[1],
1074 (Select_fd_set_t) fd_sets[2],
1075 (Select_fd_set_t) fd_sets[3],
1076 tbuf);
1077 for (i = 1; i <= 3; i++) {
1078 if (fd_sets[i]) {
1079 sv = SP[i];
1080#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1081 s = SvPVX(sv);
1082 for (offset = 0; offset < growsize; offset += masksize) {
1083 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1084 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1085 }
1086 Safefree(fd_sets[i]);
1087#endif
1088 SvSETMAGIC(sv);
1089 }
1090 }
1091
1092 PUSHi(nfound);
1093 if (GIMME == G_ARRAY && tbuf) {
65202027
DS		 1094 value = (NV)(timebuf.tv_sec) +
1095 (NV)(timebuf.tv_usec) / 1000000.0;
3280af22 1096 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 1097 sv_setnv(sv, value);
1098 }
1099 RETURN;
1100#else
cea2e8a9 1101 DIE(aTHX_ "select not implemented");
a0d0e21e
LW		 1102#endif
1103}
1104
4633a7c4 1105void
864dbfa3 1106Perl_setdefout(pTHX_ GV *gv)
4633a7c4
LW		 1107{
1108 if (gv)
1109 (void)SvREFCNT_inc(gv);
3280af22
NIS		 1110 if (PL_defoutgv)
1111 SvREFCNT_dec(PL_defoutgv);
1112 PL_defoutgv = gv;
4633a7c4
LW		 1113}
1114
a0d0e21e
LW		 1115PP(pp_select)
1116{
39644a26 1117 dSP; dTARGET;
4633a7c4
LW		 1118 GV *newdefout, *egv;
1119 HV *hv;
1120
533c011a 1121 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
4633a7c4 1122
3280af22 1123 egv = GvEGV(PL_defoutgv);
4633a7c4 1124 if (!egv)
3280af22 1125 egv = PL_defoutgv;
4633a7c4
LW		 1126 hv = GvSTASH(egv);
1127 if (! hv)
3280af22 1128 XPUSHs(&PL_sv_undef);
4633a7c4 1129 else {
cbdc8872 1130 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
f86702cc 1131 if (gvp && *gvp == egv) {
f7aaccc2 1132 gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
f86702cc 1133 XPUSHTARG;
1134 }
1135 else {
1136 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1137 }
4633a7c4
LW		 1138 }
1139
1140 if (newdefout) {
ded8aa31
GS		 1141 if (!GvIO(newdefout))
1142 gv_IOadd(newdefout);
4633a7c4
LW		 1143 setdefout(newdefout);
1144 }
1145
a0d0e21e
LW		 1146 RETURN;
1147}
1148
1149PP(pp_getc)
1150{
39644a26 1151 dSP; dTARGET;
a0d0e21e 1152 GV *gv;
90133b69 1153 IO *io = NULL;
2ae324a7 1154 MAGIC *mg;
a0d0e21e 1155
32da55ab 1156 if (MAXARG == 0)
3280af22 1157 gv = PL_stdingv;
a0d0e21e
LW		 1158 else
1159 gv = (GV*)POPs;
2ae324a7 1160
5b468f54
AMS		 1161 if (gv && (io = GvIO(gv))
1162 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1163 {
54310121 1164 I32 gimme = GIMME_V;
2ae324a7 1165 PUSHMARK(SP);
5b468f54 1166 XPUSHs(SvTIED_obj((SV*)io, mg));
2ae324a7 1167 PUTBACK;
1168 ENTER;
864dbfa3 1169 call_method("GETC", gimme);
2ae324a7 1170 LEAVE;
1171 SPAGAIN;
54310121 1172 if (gimme == G_SCALAR)
1173 SvSetMagicSV_nosteal(TARG, TOPs);
2ae324a7 1174 RETURN;
1175 }
90133b69 1176 if (!gv || do_eof(gv)) { /* make sure we have fp with something */
97e322ff
RGS		 1177 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)
1178 && (!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY)))
90133b69 1179 report_evil_fh(gv, io, PL_op->op_type);
b5fe5ca2 1180 SETERRNO(EBADF,RMS_IFI);
a0d0e21e 1181 RETPUSHUNDEF;
90133b69 1182 }
bbce6d69 1183 TAINT;
a0d0e21e 1184 sv_setpv(TARG, " ");
9bc64814 1185 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
7d59b7e4
NIS		 1186 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1187 /* Find out how many bytes the char needs */
1188 Size_t len = UTF8SKIP(SvPVX(TARG));
1189 if (len > 1) {
1190 SvGROW(TARG,len+1);
1191 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1192 SvCUR_set(TARG,1+len);
1193 }
1194 SvUTF8_on(TARG);
1195 }
a0d0e21e
LW		 1196 PUSHTARG;
1197 RETURN;
1198}
1199
1200PP(pp_read)
1201{
cea2e8a9 1202 return pp_sysread();
a0d0e21e
LW		 1203}
1204
76e3520e 1205STATIC OP *
cea2e8a9 1206S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
a0d0e21e 1207{
c09156bb 1208 register PERL_CONTEXT *cx;
54310121 1209 I32 gimme = GIMME_V;
a0d0e21e
LW		 1210
1211 ENTER;
1212 SAVETMPS;
1213
1214 push_return(retop);
146174a9 1215 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
a0d0e21e 1216 PUSHFORMAT(cx);
dd2155a4 1217 PAD_SET_CUR(CvPADLIST(cv), 1);
a0d0e21e 1218
4633a7c4 1219 setdefout(gv); /* locally select filehandle so $% et al work */
a0d0e21e
LW		 1220 return CvSTART(cv);
1221}
1222
1223PP(pp_enterwrite)
1224{
39644a26 1225 dSP;
a0d0e21e
LW		 1226 register GV *gv;
1227 register IO *io;
1228 GV *fgv;
1229 CV *cv;
1230
1231 if (MAXARG == 0)
3280af22 1232 gv = PL_defoutgv;
a0d0e21e
LW		 1233 else {
1234 gv = (GV*)POPs;
1235 if (!gv)
3280af22 1236 gv = PL_defoutgv;
a0d0e21e
LW		 1237 }
1238 EXTEND(SP, 1);
1239 io = GvIO(gv);
1240 if (!io) {
1241 RETPUSHNO;
1242 }
1243 if (IoFMT_GV(io))
1244 fgv = IoFMT_GV(io);
1245 else
1246 fgv = gv;
1247
1248 cv = GvFORM(fgv);
a0d0e21e 1249 if (!cv) {
2dd78f96 1250 char *name = NULL;
a0d0e21e 1251 if (fgv) {
748a9306 1252 SV *tmpsv = sv_newmortal();
43693395 1253 gv_efullname4(tmpsv, fgv, Nullch, FALSE);
2dd78f96 1254 name = SvPV_nolen(tmpsv);
a0d0e21e 1255 }
2dd78f96
JH		 1256 if (name && *name)
1257 DIE(aTHX_ "Undefined format \"%s\" called", name);
cea2e8a9 1258 DIE(aTHX_ "Not a format reference");
a0d0e21e 1259 }
44a8e56a 1260 if (CvCLONE(cv))
1261 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
a0d0e21e 1262
44a8e56a 1263 IoFLAGS(io) &= ~IOf_DIDTOP;
533c011a 1264 return doform(cv,gv,PL_op->op_next);
a0d0e21e
LW		 1265}
1266
1267PP(pp_leavewrite)
1268{
39644a26 1269 dSP;
a0d0e21e
LW		 1270 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1271 register IO *io = GvIOp(gv);
760ac839
LW		 1272 PerlIO *ofp = IoOFP(io);
1273 PerlIO *fp;
a0d0e21e
LW		 1274 SV **newsp;
1275 I32 gimme;
c09156bb 1276 register PERL_CONTEXT *cx;
a0d0e21e 1277
760ac839 1278 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
3280af22 1279 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
7ef822cd
JH		 1280 if (!io || !ofp)
1281 goto forget_top;
3280af22
NIS		 1282 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1283 PL_formtarget != PL_toptarget)
a0d0e21e 1284 {
4633a7c4
LW		 1285 GV *fgv;
1286 CV *cv;
a0d0e21e
LW		 1287 if (!IoTOP_GV(io)) {
1288 GV *topgv;
46fc3d4c 1289 SV *topname;
a0d0e21e
LW		 1290
1291 if (!IoTOP_NAME(io)) {
1292 if (!IoFMT_NAME(io))
1293 IoFMT_NAME(io) = savepv(GvNAME(gv));
cea2e8a9 1294 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
46fc3d4c 1295 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
748a9306 1296 if ((topgv && GvFORM(topgv)) ||
a0d0e21e 1297 !gv_fetchpv("top",FALSE,SVt_PVFM))
46fc3d4c 1298 IoTOP_NAME(io) = savepv(SvPVX(topname));
a0d0e21e
LW		 1299 else
1300 IoTOP_NAME(io) = savepv("top");
1301 }
1302 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1303 if (!topgv || !GvFORM(topgv)) {
1304 IoLINES_LEFT(io) = 100000000;
1305 goto forget_top;
1306 }
1307 IoTOP_GV(io) = topgv;
1308 }
748a9306
LW		 1309 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1310 I32 lines = IoLINES_LEFT(io);
3280af22 1311 char *s = SvPVX(PL_formtarget);
8e07c86e
AD		 1312 if (lines <= 0) /* Yow, header didn't even fit!!! */
1313 goto forget_top;
748a9306
LW		 1314 while (lines-- > 0) {
1315 s = strchr(s, '\n');
1316 if (!s)
1317 break;
1318 s++;
1319 }
1320 if (s) {
d75029d0
NIS		 1321 STRLEN save = SvCUR(PL_formtarget);
1322 SvCUR_set(PL_formtarget, s - SvPVX(PL_formtarget));
1323 do_print(PL_formtarget, ofp);
1324 SvCUR_set(PL_formtarget, save);
3280af22
NIS		 1325 sv_chop(PL_formtarget, s);
1326 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
748a9306
LW		 1327 }
1328 }
a0d0e21e 1329 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
d75029d0 1330 do_print(PL_formfeed, ofp);
a0d0e21e
LW		 1331 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1332 IoPAGE(io)++;
3280af22 1333 PL_formtarget = PL_toptarget;
748a9306 1334 IoFLAGS(io) |= IOf_DIDTOP;
4633a7c4
LW		 1335 fgv = IoTOP_GV(io);
1336 if (!fgv)
cea2e8a9 1337 DIE(aTHX_ "bad top format reference");
4633a7c4 1338 cv = GvFORM(fgv);
2dd78f96
JH		 1339 {
1340 char *name = NULL;
1341 if (!cv) {
1342 SV *sv = sv_newmortal();
1343 gv_efullname4(sv, fgv, Nullch, FALSE);
1344 name = SvPV_nolen(sv);
1345 }
1346 if (name && *name)
1347 DIE(aTHX_ "Undefined top format \"%s\" called",name);
1348 /* why no:
1349 else
1350 DIE(aTHX_ "Undefined top format called");
1351 ?*/
4633a7c4 1352 }
44a8e56a 1353 if (CvCLONE(cv))
1354 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
533c011a 1355 return doform(cv,gv,PL_op);
a0d0e21e
LW		 1356 }
1357
1358 forget_top:
3280af22 1359 POPBLOCK(cx,PL_curpm);
a0d0e21e
LW		 1360 POPFORMAT(cx);
1361 LEAVE;
1362
1363 fp = IoOFP(io);
1364 if (!fp) {
599cee73 1365 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
6e6ef6b2
NC		 1366 if (IoIFP(io))
1367 report_evil_fh(gv, io, OP_phoney_INPUT_ONLY);
599cee73 1368 else if (ckWARN(WARN_CLOSED))
bc37a18f 1369 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 1370 }
3280af22 1371 PUSHs(&PL_sv_no);
a0d0e21e
LW		 1372 }
1373 else {
3280af22 1374 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
599cee73 1375 if (ckWARN(WARN_IO))
9014280d 1376 Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow");
a0d0e21e 1377 }
d75029d0 1378 if (!do_print(PL_formtarget, fp))
3280af22 1379 PUSHs(&PL_sv_no);
a0d0e21e 1380 else {
3280af22
NIS		 1381 FmLINES(PL_formtarget) = 0;
1382 SvCUR_set(PL_formtarget, 0);
1383 *SvEND(PL_formtarget) = '\0';
a0d0e21e 1384 if (IoFLAGS(io) & IOf_FLUSH)
760ac839 1385 (void)PerlIO_flush(fp);
3280af22 1386 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 1387 }
1388 }
9cbac4c7 1389 /* bad_ofp: */
3280af22 1390 PL_formtarget = PL_bodytarget;
a0d0e21e
LW		 1391 PUTBACK;
1392 return pop_return();
1393}
1394
1395PP(pp_prtf)
1396{
39644a26 1397 dSP; dMARK; dORIGMARK;
a0d0e21e
LW		 1398 GV *gv;
1399 IO *io;
760ac839 1400 PerlIO *fp;
26db47c4 1401 SV *sv;
46fc3d4c 1402 MAGIC *mg;
a0d0e21e 1403
533c011a 1404 if (PL_op->op_flags & OPf_STACKED)
a0d0e21e
LW		 1405 gv = (GV*)*++MARK;
1406 else
3280af22 1407 gv = PL_defoutgv;
46fc3d4c 1408
5b468f54
AMS		 1409 if (gv && (io = GvIO(gv))
1410 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1411 {
46fc3d4c 1412 if (MARK == ORIGMARK) {
4352c267 1413 MEXTEND(SP, 1);
46fc3d4c 1414 ++MARK;
1415 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1416 ++SP;
1417 }
1418 PUSHMARK(MARK - 1);
5b468f54 1419 *MARK = SvTIED_obj((SV*)io, mg);
46fc3d4c 1420 PUTBACK;
1421 ENTER;
864dbfa3 1422 call_method("PRINTF", G_SCALAR);
46fc3d4c 1423 LEAVE;
1424 SPAGAIN;
1425 MARK = ORIGMARK + 1;
1426 *MARK = *SP;
1427 SP = MARK;
1428 RETURN;
1429 }
1430
26db47c4 1431 sv = NEWSV(0,0);
a0d0e21e 1432 if (!(io = GvIO(gv))) {
2dd78f96
JH		 1433 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1434 report_evil_fh(gv, io, PL_op->op_type);
93189314 1435 SETERRNO(EBADF,RMS_IFI);
a0d0e21e
LW		 1436 goto just_say_no;
1437 }
1438 else if (!(fp = IoOFP(io))) {
599cee73 1439 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
6e6ef6b2
NC		 1440 if (IoIFP(io))
1441 report_evil_fh(gv, io, OP_phoney_INPUT_ONLY);
599cee73 1442 else if (ckWARN(WARN_CLOSED))
bc37a18f 1443 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 1444 }
93189314 1445 SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI);
a0d0e21e
LW		 1446 goto just_say_no;
1447 }
1448 else {
1449 do_sprintf(sv, SP - MARK, MARK + 1);
1450 if (!do_print(sv, fp))
1451 goto just_say_no;
1452
1453 if (IoFLAGS(io) & IOf_FLUSH)
760ac839 1454 if (PerlIO_flush(fp) == EOF)
a0d0e21e
LW		 1455 goto just_say_no;
1456 }
1457 SvREFCNT_dec(sv);
1458 SP = ORIGMARK;
3280af22 1459 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 1460 RETURN;
1461
1462 just_say_no:
1463 SvREFCNT_dec(sv);
1464 SP = ORIGMARK;
3280af22 1465 PUSHs(&PL_sv_undef);
a0d0e21e
LW		 1466 RETURN;
1467}
1468
c07a80fd 1469PP(pp_sysopen)
1470{
39644a26 1471 dSP;
c07a80fd 1472 GV *gv;
c07a80fd 1473 SV *sv;
1474 char *tmps;
1475 STRLEN len;
1476 int mode, perm;
1477
1478 if (MAXARG > 3)
1479 perm = POPi;
1480 else
1481 perm = 0666;
1482 mode = POPi;
1483 sv = POPs;
1484 gv = (GV *)POPs;
1485
4592e6ca
NIS		 1486 /* Need TIEHANDLE method ? */
1487
c07a80fd 1488 tmps = SvPV(sv, len);
1489 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1490 IoLINES(GvIOp(gv)) = 0;
3280af22 1491 PUSHs(&PL_sv_yes);
c07a80fd 1492 }
1493 else {
3280af22 1494 PUSHs(&PL_sv_undef);
c07a80fd 1495 }
1496 RETURN;
1497}
1498
a0d0e21e
LW		 1499PP(pp_sysread)
1500{
39644a26 1501 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e
LW		 1502 int offset;
1503 GV *gv;
1504 IO *io;
1505 char *buffer;
5b54f415 1506 SSize_t length;
eb5c063a 1507 SSize_t count;
1e422769 1508 Sock_size_t bufsize;
748a9306 1509 SV *bufsv;
a0d0e21e 1510 STRLEN blen;
2ae324a7 1511 MAGIC *mg;
eb5c063a
NIS		 1512 int fp_utf8;
1513 Size_t got = 0;
1514 Size_t wanted;
1d636c13 1515 bool charstart = FALSE;
87330c3c
JH		 1516 STRLEN charskip = 0;
1517 STRLEN skip = 0;
a0d0e21e
LW		 1518
1519 gv = (GV*)*++MARK;
5b468f54
AMS		 1520 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD)
1521 && gv && (io = GvIO(gv))
1522 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
137443ea 1523 {
2ae324a7 1524 SV *sv;
1525
1526 PUSHMARK(MARK-1);
5b468f54 1527 *MARK = SvTIED_obj((SV*)io, mg);
2ae324a7 1528 ENTER;
864dbfa3 1529 call_method("READ", G_SCALAR);
2ae324a7 1530 LEAVE;
1531 SPAGAIN;
1532 sv = POPs;
1533 SP = ORIGMARK;
1534 PUSHs(sv);
1535 RETURN;
1536 }
1537
a0d0e21e
LW		 1538 if (!gv)
1539 goto say_undef;
748a9306 1540 bufsv = *++MARK;
ff68c719 1541 if (! SvOK(bufsv))
1542 sv_setpvn(bufsv, "", 0);
a0d0e21e 1543 length = SvIVx(*++MARK);
748a9306 1544 SETERRNO(0,0);
a0d0e21e
LW		 1545 if (MARK < SP)
1546 offset = SvIVx(*++MARK);
1547 else
1548 offset = 0;
1549 io = GvIO(gv);
b5fe5ca2
SR		 1550 if (!io || !IoIFP(io)) {
1551 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
1552 report_evil_fh(gv, io, PL_op->op_type);
1553 SETERRNO(EBADF,RMS_IFI);
a0d0e21e 1554 goto say_undef;
b5fe5ca2 1555 }
0064a8a9 1556 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) {
7d59b7e4 1557 buffer = SvPVutf8_force(bufsv, blen);
eb5c063a
NIS		 1558 /* UTF8 may not have been set if they are all low bytes */
1559 SvUTF8_on(bufsv);
7d59b7e4
NIS		 1560 }
1561 else {
1562 buffer = SvPV_force(bufsv, blen);
1563 }
1564 if (length < 0)
1565 DIE(aTHX_ "Negative length");
eb5c063a 1566 wanted = length;
7d59b7e4 1567
d0965105
JH		 1568 charstart = TRUE;
1569 charskip = 0;
87330c3c 1570 skip = 0;
d0965105 1571
a0d0e21e 1572#ifdef HAS_SOCKET
533c011a 1573 if (PL_op->op_type == OP_RECV) {
46fc3d4c 1574 char namebuf[MAXPATHLEN];
17a8c7ba 1575#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__)
490ab354
JH		 1576 bufsize = sizeof (struct sockaddr_in);
1577#else
46fc3d4c 1578 bufsize = sizeof namebuf;
490ab354 1579#endif
abf95952
IZ		 1580#ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1581 if (bufsize >= 256)
1582 bufsize = 255;
1583#endif
eb160463 1584 buffer = SvGROW(bufsv, (STRLEN)(length+1));
bbce6d69 1585 /* 'offset' means 'flags' here */
eb5c063a 1586 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
46fc3d4c 1587 (struct sockaddr *)namebuf, &bufsize);
eb5c063a 1588 if (count < 0)
a0d0e21e 1589 RETPUSHUNDEF;
4107cc59
OF		 1590#ifdef EPOC
1591 /* Bogus return without padding */
1592 bufsize = sizeof (struct sockaddr_in);
1593#endif
eb5c063a 1594 SvCUR_set(bufsv, count);
748a9306
LW		 1595 *SvEND(bufsv) = '\0';
1596 (void)SvPOK_only(bufsv);
eb5c063a
NIS		 1597 if (fp_utf8)
1598 SvUTF8_on(bufsv);
748a9306 1599 SvSETMAGIC(bufsv);
aac0dd9a 1600 /* This should not be marked tainted if the fp is marked clean */
bbce6d69 1601 if (!(IoFLAGS(io) & IOf_UNTAINT))
1602 SvTAINTED_on(bufsv);
a0d0e21e 1603 SP = ORIGMARK;
46fc3d4c 1604 sv_setpvn(TARG, namebuf, bufsize);
a0d0e21e
LW		 1605 PUSHs(TARG);
1606 RETURN;
1607 }
1608#else
911d147d 1609 if (PL_op->op_type == OP_RECV)
cea2e8a9 1610 DIE(aTHX_ PL_no_sock_func, "recv");
a0d0e21e 1611#endif
eb5c063a
NIS		 1612 if (DO_UTF8(bufsv)) {
1613 /* offset adjust in characters not bytes */
1614 blen = sv_len_utf8(bufsv);
7d59b7e4 1615 }
bbce6d69 1616 if (offset < 0) {
eb160463 1617 if (-offset > (int)blen)
cea2e8a9 1618 DIE(aTHX_ "Offset outside string");
bbce6d69 1619 offset += blen;
1620 }
eb5c063a
NIS		 1621 if (DO_UTF8(bufsv)) {
1622 /* convert offset-as-chars to offset-as-bytes */
1623 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1624 }
1625 more_bytes:
cd52b7b2 1626 bufsize = SvCUR(bufsv);
eb160463 1627 buffer = SvGROW(bufsv, (STRLEN)(length+offset+1));
cd52b7b2 1628 if (offset > bufsize) { /* Zero any newly allocated space */
1629 Zero(buffer+bufsize, offset-bufsize, char);
1630 }
eb5c063a
NIS		 1631 buffer = buffer + offset;
1632
533c011a 1633 if (PL_op->op_type == OP_SYSREAD) {
a7092146 1634#ifdef PERL_SOCK_SYSREAD_IS_RECV
50952442 1635 if (IoTYPE(io) == IoTYPE_SOCKET) {
eb5c063a
NIS		 1636 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1637 buffer, length, 0);
a7092146
GS		 1638 }
1639 else
1640#endif
1641 {
eb5c063a
NIS		 1642 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1643 buffer, length);
a7092146 1644 }
a0d0e21e
LW		 1645 }
1646 else
1647#ifdef HAS_SOCKET__bad_code_maybe
50952442 1648 if (IoTYPE(io) == IoTYPE_SOCKET) {
46fc3d4c 1649 char namebuf[MAXPATHLEN];
490ab354
JH		 1650#if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1651 bufsize = sizeof (struct sockaddr_in);
1652#else
46fc3d4c 1653 bufsize = sizeof namebuf;
490ab354 1654#endif
eb5c063a 1655 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
46fc3d4c 1656 (struct sockaddr *)namebuf, &bufsize);
a0d0e21e
LW		 1657 }
1658 else
1659#endif
3b02c43c 1660 {
eb5c063a
NIS		 1661 count = PerlIO_read(IoIFP(io), buffer, length);
1662 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1663 if (count == 0 && PerlIO_error(IoIFP(io)))
1664 count = -1;
3b02c43c 1665 }
eb5c063a 1666 if (count < 0) {
a00b5bd3 1667 if ((IoTYPE(io) == IoTYPE_WRONLY) && ckWARN(WARN_IO))
6e6ef6b2 1668 report_evil_fh(gv, io, OP_phoney_OUTPUT_ONLY);
a0d0e21e 1669 goto say_undef;
af8c498a 1670 }
eb5c063a 1671 SvCUR_set(bufsv, count+(buffer - SvPVX(bufsv)));
748a9306
LW		 1672 *SvEND(bufsv) = '\0';
1673 (void)SvPOK_only(bufsv);
0064a8a9 1674 if (fp_utf8 && !IN_BYTES) {
eb5c063a
NIS		 1675 /* Look at utf8 we got back and count the characters */
1676 char *bend = buffer + count;
1677 while (buffer < bend) {
d0965105
JH		 1678 if (charstart) {
1679 skip = UTF8SKIP(buffer);
1680 charskip = 0;
1681 }
1682 if (buffer - charskip + skip > bend) {
eb5c063a
NIS		 1683 /* partial character - try for rest of it */
1684 length = skip - (bend-buffer);
1685 offset = bend - SvPVX(bufsv);
d0965105
JH		 1686 charstart = FALSE;
1687 charskip += count;
eb5c063a
NIS		 1688 goto more_bytes;
1689 }
1690 else {
1691 got++;
1692 buffer += skip;
d0965105
JH		 1693 charstart = TRUE;
1694 charskip = 0;
eb5c063a
NIS		 1695 }
1696 }
1697 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1698 provided amount read (count) was what was requested (length)
1699 */
1700 if (got < wanted && count == length) {
d0965105 1701 length = wanted - got;
eb5c063a
NIS		 1702 offset = bend - SvPVX(bufsv);
1703 goto more_bytes;
1704 }
1705 /* return value is character count */
1706 count = got;
1707 SvUTF8_on(bufsv);
1708 }
748a9306 1709 SvSETMAGIC(bufsv);
aac0dd9a 1710 /* This should not be marked tainted if the fp is marked clean */
bbce6d69 1711 if (!(IoFLAGS(io) & IOf_UNTAINT))
1712 SvTAINTED_on(bufsv);
a0d0e21e 1713 SP = ORIGMARK;
eb5c063a 1714 PUSHi(count);
a0d0e21e
LW		 1715 RETURN;
1716
1717 say_undef:
1718 SP = ORIGMARK;
1719 RETPUSHUNDEF;
1720}
1721
1722PP(pp_syswrite)
1723{
39644a26 1724 dSP;
092bebab
JH		 1725 int items = (SP - PL_stack_base) - TOPMARK;
1726 if (items == 2) {
9f089d78 1727 SV *sv;
092bebab 1728 EXTEND(SP, 1);
9f089d78
SB		 1729 sv = sv_2mortal(newSViv(sv_len(*SP)));
1730 PUSHs(sv);
092bebab
JH		 1731 PUTBACK;
1732 }
cea2e8a9 1733 return pp_send();
a0d0e21e
LW		 1734}
1735
1736PP(pp_send)
1737{
39644a26 1738 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e
LW		 1739 GV *gv;
1740 IO *io;
748a9306 1741 SV *bufsv;
a0d0e21e 1742 char *buffer;
8c99d73e
GS		 1743 Size_t length;
1744 SSize_t retval;
a0d0e21e 1745 STRLEN blen;
1d603a67 1746 MAGIC *mg;
a0d0e21e
LW		 1747
1748 gv = (GV*)*++MARK;
14befaf4 1749 if (PL_op->op_type == OP_SYSWRITE
5b468f54
AMS		 1750 && gv && (io = GvIO(gv))
1751 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
14befaf4 1752 {
1d603a67
GB		 1753 SV *sv;
1754
1755 PUSHMARK(MARK-1);
5b468f54 1756 *MARK = SvTIED_obj((SV*)io, mg);
1d603a67 1757 ENTER;
864dbfa3 1758 call_method("WRITE", G_SCALAR);
1d603a67
GB		 1759 LEAVE;
1760 SPAGAIN;
1761 sv = POPs;
1762 SP = ORIGMARK;
1763 PUSHs(sv);
1764 RETURN;
1765 }
a0d0e21e
LW		 1766 if (!gv)
1767 goto say_undef;
748a9306 1768 bufsv = *++MARK;
8c99d73e 1769#if Size_t_size > IVSIZE
3c001241 1770 length = (Size_t)SvNVx(*++MARK);
146174a9 1771#else
3c001241 1772 length = (Size_t)SvIVx(*++MARK);
146174a9 1773#endif
3c001241 1774 if ((SSize_t)length < 0)
cea2e8a9 1775 DIE(aTHX_ "Negative length");
748a9306 1776 SETERRNO(0,0);
a0d0e21e
LW		 1777 io = GvIO(gv);
1778 if (!io || !IoIFP(io)) {
8c99d73e 1779 retval = -1;
bc37a18f
RG		 1780 if (ckWARN(WARN_CLOSED))
1781 report_evil_fh(gv, io, PL_op->op_type);
b5fe5ca2 1782 SETERRNO(EBADF,RMS_IFI);
7d59b7e4
NIS		 1783 goto say_undef;
1784 }
1785
1786 if (PerlIO_isutf8(IoIFP(io))) {
1787 buffer = SvPVutf8(bufsv, blen);
a0d0e21e 1788 }
7d59b7e4
NIS		 1789 else {
1790 if (DO_UTF8(bufsv))
1791 sv_utf8_downgrade(bufsv, FALSE);
1792 buffer = SvPV(bufsv, blen);
1793 }
1794
1795 if (PL_op->op_type == OP_SYSWRITE) {
1796 IV offset;
1797 if (DO_UTF8(bufsv)) {
1798 /* length and offset are in chars */
1799 blen = sv_len_utf8(bufsv);
1800 }
bbce6d69 1801 if (MARK < SP) {
a0d0e21e 1802 offset = SvIVx(*++MARK);
bbce6d69 1803 if (offset < 0) {
eb160463 1804 if (-offset > (IV)blen)
cea2e8a9 1805 DIE(aTHX_ "Offset outside string");
bbce6d69 1806 offset += blen;
eb160463 1807 } else if (offset >= (IV)blen && blen > 0)
cea2e8a9 1808 DIE(aTHX_ "Offset outside string");
bbce6d69 1809 } else
a0d0e21e
LW		 1810 offset = 0;
1811 if (length > blen - offset)
1812 length = blen - offset;
7d59b7e4 1813 if (DO_UTF8(bufsv)) {
c8d31a35 1814 buffer = (char*)utf8_hop((U8 *)buffer, offset);
7d59b7e4
NIS		 1815 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1816 }
1817 else {
1818 buffer = buffer+offset;
1819 }
a7092146 1820#ifdef PERL_SOCK_SYSWRITE_IS_SEND
50952442 1821 if (IoTYPE(io) == IoTYPE_SOCKET) {
8c99d73e 1822 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
7d59b7e4 1823 buffer, length, 0);
a7092146
GS		 1824 }
1825 else
1826#endif
1827 {
94e4c244 1828 /* See the note at doio.c:do_print about filesize limits. --jhi */
8c99d73e 1829 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
7d59b7e4 1830 buffer, length);
a7092146 1831 }
a0d0e21e
LW		 1832 }
1833#ifdef HAS_SOCKET
1834 else if (SP > MARK) {
1835 char *sockbuf;
1836 STRLEN mlen;
1837 sockbuf = SvPVx(*++MARK, mlen);
7d59b7e4 1838 /* length is really flags */
8c99d73e
GS		 1839 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1840 length, (struct sockaddr *)sockbuf, mlen);
a0d0e21e
LW		 1841 }
1842 else
7d59b7e4 1843 /* length is really flags */
8c99d73e 1844 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
a0d0e21e
LW		 1845#else
1846 else
cea2e8a9 1847 DIE(aTHX_ PL_no_sock_func, "send");
a0d0e21e 1848#endif
8c99d73e 1849 if (retval < 0)
a0d0e21e
LW		 1850 goto say_undef;
1851 SP = ORIGMARK;
f36eea10
JH		 1852 if (DO_UTF8(bufsv))
1853 retval = utf8_length((U8*)buffer, (U8*)buffer + retval);
8c99d73e
GS		 1854#if Size_t_size > IVSIZE
1855 PUSHn(retval);
1856#else
1857 PUSHi(retval);
1858#endif
a0d0e21e
LW		 1859 RETURN;
1860
1861 say_undef:
1862 SP = ORIGMARK;
1863 RETPUSHUNDEF;
1864}
1865
1866PP(pp_recv)
1867{
cea2e8a9 1868 return pp_sysread();
a0d0e21e
LW		 1869}
1870
1871PP(pp_eof)
1872{
39644a26 1873 dSP;
a0d0e21e 1874 GV *gv;
5b468f54 1875 IO *io;
4592e6ca 1876 MAGIC *mg;
a0d0e21e 1877
32da55ab 1878 if (MAXARG == 0) {
146174a9
CB		 1879 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1880 IO *io;
ed2c6b9b 1881 gv = PL_last_in_gv = GvEGV(PL_argvgv);
146174a9
CB		 1882 io = GvIO(gv);
1883 if (io && !IoIFP(io)) {
1884 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1885 IoLINES(io) = 0;
1886 IoFLAGS(io) &= ~IOf_START;
1887 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1888 sv_setpvn(GvSV(gv), "-", 1);
1889 SvSETMAGIC(GvSV(gv));
1890 }
1891 else if (!nextargv(gv))
1892 RETPUSHYES;
1893 }
1894 }
1895 else
1896 gv = PL_last_in_gv; /* eof */
1897 }
a0d0e21e 1898 else
146174a9 1899 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
4592e6ca 1900
5b468f54
AMS		 1901 if (gv && (io = GvIO(gv))
1902 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1903 {
4592e6ca 1904 PUSHMARK(SP);
5b468f54 1905 XPUSHs(SvTIED_obj((SV*)io, mg));
4592e6ca
NIS		 1906 PUTBACK;
1907 ENTER;
864dbfa3 1908 call_method("EOF", G_SCALAR);
4592e6ca
NIS		 1909 LEAVE;
1910 SPAGAIN;
1911 RETURN;
1912 }
1913
54310121 1914 PUSHs(boolSV(!gv || do_eof(gv)));
a0d0e21e
LW		 1915 RETURN;
1916}
1917
1918PP(pp_tell)
1919{
39644a26 1920 dSP; dTARGET;
301e8125 1921 GV *gv;
5b468f54 1922 IO *io;
4592e6ca 1923 MAGIC *mg;
a0d0e21e 1924
32da55ab 1925 if (MAXARG == 0)
3280af22 1926 gv = PL_last_in_gv;
a0d0e21e 1927 else
3280af22 1928 gv = PL_last_in_gv = (GV*)POPs;
4592e6ca 1929
5b468f54
AMS		 1930 if (gv && (io = GvIO(gv))
1931 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1932 {
4592e6ca 1933 PUSHMARK(SP);
5b468f54 1934 XPUSHs(SvTIED_obj((SV*)io, mg));
4592e6ca
NIS		 1935 PUTBACK;
1936 ENTER;
864dbfa3 1937 call_method("TELL", G_SCALAR);
4592e6ca
NIS		 1938 LEAVE;
1939 SPAGAIN;
1940 RETURN;
1941 }
1942
146174a9
CB		 1943#if LSEEKSIZE > IVSIZE
1944 PUSHn( do_tell(gv) );
1945#else
a0d0e21e 1946 PUSHi( do_tell(gv) );
146174a9 1947#endif
a0d0e21e
LW		 1948 RETURN;
1949}
1950
1951PP(pp_seek)
1952{
cea2e8a9 1953 return pp_sysseek();
137443ea 1954}
1955
1956PP(pp_sysseek)
1957{
39644a26 1958 dSP;
a0d0e21e 1959 GV *gv;
5b468f54 1960 IO *io;
a0d0e21e 1961 int whence = POPi;
146174a9
CB		 1962#if LSEEKSIZE > IVSIZE
1963 Off_t offset = (Off_t)SvNVx(POPs);
1964#else
d9b3e12d 1965 Off_t offset = (Off_t)SvIVx(POPs);
146174a9 1966#endif
4592e6ca 1967 MAGIC *mg;
a0d0e21e 1968
3280af22 1969 gv = PL_last_in_gv = (GV*)POPs;
4592e6ca 1970
5b468f54
AMS		 1971 if (gv && (io = GvIO(gv))
1972 && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
1973 {
4592e6ca 1974 PUSHMARK(SP);
5b468f54 1975 XPUSHs(SvTIED_obj((SV*)io, mg));
cb50131a
CB		 1976#if LSEEKSIZE > IVSIZE
1977 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1978#else
b448e4fe 1979 XPUSHs(sv_2mortal(newSViv(offset)));
cb50131a 1980#endif
b448e4fe 1981 XPUSHs(sv_2mortal(newSViv(whence)));
4592e6ca
NIS		 1982 PUTBACK;
1983 ENTER;
864dbfa3 1984 call_method("SEEK", G_SCALAR);
4592e6ca
NIS		 1985 LEAVE;
1986 SPAGAIN;
1987 RETURN;
1988 }
1989
533c011a 1990 if (PL_op->op_type == OP_SEEK)
8903cb82 1991 PUSHs(boolSV(do_seek(gv, offset, whence)));
1992 else {
b448e4fe
JH		 1993 Off_t sought = do_sysseek(gv, offset, whence);
1994 if (sought < 0)
146174a9
CB		 1995 PUSHs(&PL_sv_undef);
1996 else {
b448e4fe 1997 SV* sv = sought ?
146174a9 1998#if LSEEKSIZE > IVSIZE
b448e4fe 1999 newSVnv((NV)sought)
146174a9 2000#else
b448e4fe 2001 newSViv(sought)
146174a9
CB		 2002#endif
2003 : newSVpvn(zero_but_true, ZBTLEN);
2004 PUSHs(sv_2mortal(sv));
2005 }
8903cb82 2006 }
a0d0e21e
LW		 2007 RETURN;
2008}
2009
2010PP(pp_truncate)
2011{
39644a26 2012 dSP;
8c99d73e
GS		 2013 /* There seems to be no consensus on the length type of truncate()
2014 * and ftruncate(), both off_t and size_t have supporters. In
2015 * general one would think that when using large files, off_t is
2016 * at least as wide as size_t, so using an off_t should be okay. */
2017 /* XXX Configure probe for the length type of *truncate() needed XXX */
2018 Off_t len;
a0d0e21e 2019
25342a55 2020#if Off_t_size > IVSIZE
8c99d73e
GS		 2021 len = (Off_t)POPn;
2022#else
2023 len = (Off_t)POPi;
2024#endif
2025 /* Checking for length < 0 is problematic as the type might or
301e8125 2026 * might not be signed: if it is not, clever compilers will moan. */
8c99d73e 2027 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
748a9306 2028 SETERRNO(0,0);
5d94fbed 2029#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
d05c1ba0
JH		 2030 {
2031 STRLEN n_a;
2032 int result = 1;
2033 GV *tmpgv;
090bf15b
SR		 2034 IO *io;
2035
d05c1ba0
JH		 2036 if (PL_op->op_flags & OPf_SPECIAL) {
2037 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
2038
090bf15b
SR		 2039 do_ftruncate_gv:
2040 if (!GvIO(tmpgv))
2041 result = 0;
d05c1ba0 2042 else {
090bf15b
SR		 2043 PerlIO *fp;
2044 io = GvIOp(tmpgv);
2045 do_ftruncate_io:
2046 TAINT_PROPER("truncate");
2047 if (!(fp = IoIFP(io))) {
2048 result = 0;
2049 }
2050 else {
2051 PerlIO_flush(fp);
cbdc8872 2052#ifdef HAS_TRUNCATE
090bf15b 2053 if (ftruncate(PerlIO_fileno(fp), len) < 0)
301e8125 2054#else
090bf15b 2055 if (my_chsize(PerlIO_fileno(fp), len) < 0)
cbdc8872 2056#endif
090bf15b
SR		 2057 result = 0;
2058 }
d05c1ba0 2059 }
cbdc8872 2060 }
d05c1ba0
JH		 2061 else {
2062 SV *sv = POPs;
2063 char *name;
72f496dc 2064
d05c1ba0
JH		 2065 if (SvTYPE(sv) == SVt_PVGV) {
2066 tmpgv = (GV*)sv; /* *main::FRED for example */
090bf15b 2067 goto do_ftruncate_gv;
d05c1ba0
JH		 2068 }
2069 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2070 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
090bf15b
SR		 2071 goto do_ftruncate_gv;
2072 }
2073 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) {
2074 io = (IO*) SvRV(sv); /* *main::FRED{IO} for example */
2075 goto do_ftruncate_io;
d05c1ba0 2076 }
1e422769 2077
d05c1ba0
JH		 2078 name = SvPV(sv, n_a);
2079 TAINT_PROPER("truncate");
cbdc8872 2080#ifdef HAS_TRUNCATE
d05c1ba0
JH		 2081 if (truncate(name, len) < 0)
2082 result = 0;
cbdc8872 2083#else
d05c1ba0
JH		 2084 {
2085 int tmpfd;
2086
2087 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
cbdc8872 2088 result = 0;
d05c1ba0
JH		 2089 else {
2090 if (my_chsize(tmpfd, len) < 0)
2091 result = 0;
2092 PerlLIO_close(tmpfd);
2093 }
cbdc8872 2094 }
a0d0e21e 2095#endif
d05c1ba0 2096 }
a0d0e21e 2097
d05c1ba0
JH		 2098 if (result)
2099 RETPUSHYES;
2100 if (!errno)
93189314 2101 SETERRNO(EBADF,RMS_IFI);
d05c1ba0
JH		 2102 RETPUSHUNDEF;
2103 }
a0d0e21e 2104#else
cea2e8a9 2105 DIE(aTHX_ "truncate not implemented");
a0d0e21e
LW		 2106#endif
2107}
2108
2109PP(pp_fcntl)
2110{
cea2e8a9 2111 return pp_ioctl();
a0d0e21e
LW		 2112}
2113
2114PP(pp_ioctl)
2115{
39644a26 2116 dSP; dTARGET;
748a9306 2117 SV *argsv = POPs;
3bb7c1b4 2118 unsigned int func = POPu;
533c011a 2119 int optype = PL_op->op_type;
a0d0e21e 2120 char *s;
324aa91a 2121 IV retval;
a0d0e21e 2122 GV *gv = (GV*)POPs;
c289d2f7 2123 IO *io = gv ? GvIOn(gv) : 0;
a0d0e21e 2124
748a9306 2125 if (!io || !argsv || !IoIFP(io)) {
c289d2f7
JH		 2126 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2127 report_evil_fh(gv, io, PL_op->op_type);
93189314 2128 SETERRNO(EBADF,RMS_IFI); /* well, sort of... */
a0d0e21e
LW		 2129 RETPUSHUNDEF;
2130 }
2131
748a9306 2132 if (SvPOK(argsv) || !SvNIOK(argsv)) {
a0d0e21e 2133 STRLEN len;
324aa91a 2134 STRLEN need;
748a9306 2135 s = SvPV_force(argsv, len);
324aa91a
HF		 2136 need = IOCPARM_LEN(func);
2137 if (len < need) {
2138 s = Sv_Grow(argsv, need + 1);
2139 SvCUR_set(argsv, need);
a0d0e21e
LW		 2140 }
2141
748a9306 2142 s[SvCUR(argsv)] = 17; /* a little sanity check here */
a0d0e21e
LW		 2143 }
2144 else {
748a9306 2145 retval = SvIV(argsv);
c529f79d 2146 s = INT2PTR(char*,retval); /* ouch */
a0d0e21e
LW		 2147 }
2148
2149 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2150
2151 if (optype == OP_IOCTL)
2152#ifdef HAS_IOCTL
76e3520e 2153 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
a0d0e21e 2154#else
cea2e8a9 2155 DIE(aTHX_ "ioctl is not implemented");
a0d0e21e
LW		 2156#endif
2157 else
c214f4ad
WB		 2158#ifndef HAS_FCNTL
2159 DIE(aTHX_ "fcntl is not implemented");
2160#else
55497cff 2161#if defined(OS2) && defined(__EMX__)
760ac839 2162 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
55497cff 2163#else
760ac839 2164 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
301e8125 2165#endif
a0d0e21e 2166
748a9306
LW		 2167 if (SvPOK(argsv)) {
2168 if (s[SvCUR(argsv)] != 17)
cea2e8a9 2169 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
53e06cf0 2170 OP_NAME(PL_op));
748a9306
LW		 2171 s[SvCUR(argsv)] = 0; /* put our null back */
2172 SvSETMAGIC(argsv); /* Assume it has changed */
a0d0e21e
LW		 2173 }
2174
2175 if (retval == -1)
2176 RETPUSHUNDEF;
2177 if (retval != 0) {
2178 PUSHi(retval);
2179 }
2180 else {
8903cb82 2181 PUSHp(zero_but_true, ZBTLEN);
a0d0e21e 2182 }
4808266b 2183#endif
c214f4ad 2184 RETURN;
a0d0e21e
LW		 2185}
2186
2187PP(pp_flock)
2188{
9cad6237 2189#ifdef FLOCK
39644a26 2190 dSP; dTARGET;
a0d0e21e
LW		 2191 I32 value;
2192 int argtype;
2193 GV *gv;
bc37a18f 2194 IO *io = NULL;
760ac839 2195 PerlIO *fp;
16d20bd9 2196
a0d0e21e 2197 argtype = POPi;
32da55ab 2198 if (MAXARG == 0)
3280af22 2199 gv = PL_last_in_gv;
a0d0e21e
LW		 2200 else
2201 gv = (GV*)POPs;
bc37a18f
RG		 2202 if (gv && (io = GvIO(gv)))
2203 fp = IoIFP(io);
2204 else {
a0d0e21e 2205 fp = Nullfp;
bc37a18f
RG		 2206 io = NULL;
2207 }
a0d0e21e 2208 if (fp) {
68dc0745 2209 (void)PerlIO_flush(fp);
76e3520e 2210 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
a0d0e21e 2211 }
cb50131a 2212 else {
bc37a18f
RG		 2213 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2214 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 2215 value = 0;
93189314 2216 SETERRNO(EBADF,RMS_IFI);
cb50131a 2217 }
a0d0e21e
LW		 2218 PUSHi(value);
2219 RETURN;
2220#else
cea2e8a9 2221 DIE(aTHX_ PL_no_func, "flock()");
a0d0e21e
LW		 2222#endif
2223}
2224
2225/* Sockets. */
2226
2227PP(pp_socket)
2228{
a0d0e21e 2229#ifdef HAS_SOCKET
9cad6237 2230 dSP;
a0d0e21e
LW		 2231 GV *gv;
2232 register IO *io;
2233 int protocol = POPi;
2234 int type = POPi;
2235 int domain = POPi;
2236 int fd;
2237
2238 gv = (GV*)POPs;
c289d2f7 2239 io = gv ? GvIOn(gv) : NULL;
a0d0e21e 2240
c289d2f7
JH		 2241 if (!gv || !io) {
2242 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2243 report_evil_fh(gv, io, PL_op->op_type);
2244 if (IoIFP(io))
2245 do_close(gv, FALSE);
93189314 2246 SETERRNO(EBADF,LIB_INVARG);
a0d0e21e
LW		 2247 RETPUSHUNDEF;
2248 }
2249
57171420
BS		 2250 if (IoIFP(io))
2251 do_close(gv, FALSE);
2252
a0d0e21e 2253 TAINT_PROPER("socket");
6ad3d225 2254 fd = PerlSock_socket(domain, type, protocol);
a0d0e21e
LW		 2255 if (fd < 0)
2256 RETPUSHUNDEF;
479b2847
GS		 2257 IoIFP(io) = PerlIO_fdopen(fd, "r"PIPESOCK_MODE); /* stdio gets confused about sockets */
2258 IoOFP(io) = PerlIO_fdopen(fd, "w"PIPESOCK_MODE);
50952442 2259 IoTYPE(io) = IoTYPE_SOCKET;
a0d0e21e 2260 if (!IoIFP(io) || !IoOFP(io)) {
760ac839
LW		 2261 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2262 if (IoOFP(io)) PerlIO_close(IoOFP(io));
6ad3d225 2263 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
a0d0e21e
LW		 2264 RETPUSHUNDEF;
2265 }
8d2a6795
GS		 2266#if defined(HAS_FCNTL) && defined(F_SETFD)
2267 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2268#endif
a0d0e21e 2269
d5ff79b3
OF		 2270#ifdef EPOC
2271 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2272#endif
2273
a0d0e21e
LW		 2274 RETPUSHYES;
2275#else
cea2e8a9 2276 DIE(aTHX_ PL_no_sock_func, "socket");
a0d0e21e
LW		 2277#endif
2278}
2279
2280PP(pp_sockpair)
2281{
c95c94b1 2282#if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET))
76ffd3b9 2283 dSP;
a0d0e21e
LW		 2284 GV *gv1;
2285 GV *gv2;
2286 register IO *io1;
2287 register IO *io2;
2288 int protocol = POPi;
2289 int type = POPi;
2290 int domain = POPi;
2291 int fd[2];
2292
2293 gv2 = (GV*)POPs;
2294 gv1 = (GV*)POPs;
c289d2f7
JH		 2295 io1 = gv1 ? GvIOn(gv1) : NULL;
2296 io2 = gv2 ? GvIOn(gv2) : NULL;
2297 if (!gv1 || !gv2 || !io1 || !io2) {
2298 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2299 if (!gv1 || !io1)
2300 report_evil_fh(gv1, io1, PL_op->op_type);
2301 if (!gv2 || !io2)
2302 report_evil_fh(gv1, io2, PL_op->op_type);
2303 }
2304 if (IoIFP(io1))
2305 do_close(gv1, FALSE);
2306 if (IoIFP(io2))
2307 do_close(gv2, FALSE);
a0d0e21e 2308 RETPUSHUNDEF;
c289d2f7 2309 }
a0d0e21e 2310
dc0d0a5f
JH		 2311 if (IoIFP(io1))
2312 do_close(gv1, FALSE);
2313 if (IoIFP(io2))
2314 do_close(gv2, FALSE);
57171420 2315
a0d0e21e 2316 TAINT_PROPER("socketpair");
6ad3d225 2317 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
a0d0e21e 2318 RETPUSHUNDEF;
479b2847
GS		 2319 IoIFP(io1) = PerlIO_fdopen(fd[0], "r"PIPESOCK_MODE);
2320 IoOFP(io1) = PerlIO_fdopen(fd[0], "w"PIPESOCK_MODE);
50952442 2321 IoTYPE(io1) = IoTYPE_SOCKET;
479b2847
GS		 2322 IoIFP(io2) = PerlIO_fdopen(fd[1], "r"PIPESOCK_MODE);
2323 IoOFP(io2) = PerlIO_fdopen(fd[1], "w"PIPESOCK_MODE);
50952442 2324 IoTYPE(io2) = IoTYPE_SOCKET;
a0d0e21e 2325 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
760ac839
LW		 2326 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2327 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
6ad3d225 2328 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
760ac839
LW		 2329 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2330 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
6ad3d225 2331 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
a0d0e21e
LW		 2332 RETPUSHUNDEF;
2333 }
8d2a6795
GS		 2334#if defined(HAS_FCNTL) && defined(F_SETFD)
2335 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2336 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2337#endif
a0d0e21e
LW		 2338
2339 RETPUSHYES;
2340#else
cea2e8a9 2341 DIE(aTHX_ PL_no_sock_func, "socketpair");
a0d0e21e
LW		 2342#endif
2343}
2344
2345PP(pp_bind)
2346{
a0d0e21e 2347#ifdef HAS_SOCKET
9cad6237 2348 dSP;
eec2d3df 2349#ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
82b3da69
JH		 2350 extern void GETPRIVMODE();
2351 extern void GETUSERMODE();
eec2d3df 2352#endif
748a9306 2353 SV *addrsv = POPs;
a0d0e21e
LW		 2354 char *addr;
2355 GV *gv = (GV*)POPs;
2356 register IO *io = GvIOn(gv);
2357 STRLEN len;
eec2d3df
GS		 2358 int bind_ok = 0;
2359#ifdef MPE
2360 int mpeprivmode = 0;
2361#endif
a0d0e21e
LW		 2362
2363 if (!io || !IoIFP(io))
2364 goto nuts;
2365
748a9306 2366 addr = SvPV(addrsv, len);
a0d0e21e 2367 TAINT_PROPER("bind");
eec2d3df
GS		 2368#ifdef MPE /* Deal with MPE bind() peculiarities */
2369 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2370 /* The address *MUST* stupidly be zero. */
2371 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2372 /* PRIV mode is required to bind() to ports < 1024. */
2373 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2374 ((struct sockaddr_in *)addr)->sin_port > 0) {
2375 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2376 mpeprivmode = 1;
2377 }
2378 }
2379#endif /* MPE */
2380 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2381 (struct sockaddr *)addr, len) >= 0)
2382 bind_ok = 1;
2383
2384#ifdef MPE /* Switch back to USER mode */
2385 if (mpeprivmode)
2386 GETUSERMODE();
2387#endif /* MPE */
2388
2389 if (bind_ok)
a0d0e21e
LW		 2390 RETPUSHYES;
2391 else
2392 RETPUSHUNDEF;
2393
2394nuts:
599cee73 2395 if (ckWARN(WARN_CLOSED))
bc37a18f 2396 report_evil_fh(gv, io, PL_op->op_type);
93189314 2397 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2398 RETPUSHUNDEF;
2399#else
cea2e8a9 2400 DIE(aTHX_ PL_no_sock_func, "bind");
a0d0e21e
LW		 2401#endif
2402}
2403
2404PP(pp_connect)
2405{
a0d0e21e 2406#ifdef HAS_SOCKET
9cad6237 2407 dSP;
748a9306 2408 SV *addrsv = POPs;
a0d0e21e
LW		 2409 char *addr;
2410 GV *gv = (GV*)POPs;
2411 register IO *io = GvIOn(gv);
2412 STRLEN len;
2413
2414 if (!io || !IoIFP(io))
2415 goto nuts;
2416
748a9306 2417 addr = SvPV(addrsv, len);
a0d0e21e 2418 TAINT_PROPER("connect");
6ad3d225 2419 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
a0d0e21e
LW		 2420 RETPUSHYES;
2421 else
2422 RETPUSHUNDEF;
2423
2424nuts:
599cee73 2425 if (ckWARN(WARN_CLOSED))
bc37a18f 2426 report_evil_fh(gv, io, PL_op->op_type);
93189314 2427 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2428 RETPUSHUNDEF;
2429#else
cea2e8a9 2430 DIE(aTHX_ PL_no_sock_func, "connect");
a0d0e21e
LW		 2431#endif
2432}
2433
2434PP(pp_listen)
2435{
a0d0e21e 2436#ifdef HAS_SOCKET
9cad6237 2437 dSP;
a0d0e21e
LW		 2438 int backlog = POPi;
2439 GV *gv = (GV*)POPs;
c289d2f7 2440 register IO *io = gv ? GvIOn(gv) : NULL;
a0d0e21e 2441
c289d2f7 2442 if (!gv || !io || !IoIFP(io))
a0d0e21e
LW		 2443 goto nuts;
2444
6ad3d225 2445 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
a0d0e21e
LW		 2446 RETPUSHYES;
2447 else
2448 RETPUSHUNDEF;
2449
2450nuts:
599cee73 2451 if (ckWARN(WARN_CLOSED))
bc37a18f 2452 report_evil_fh(gv, io, PL_op->op_type);
93189314 2453 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2454 RETPUSHUNDEF;
2455#else
cea2e8a9 2456 DIE(aTHX_ PL_no_sock_func, "listen");
a0d0e21e
LW		 2457#endif
2458}
2459
2460PP(pp_accept)
2461{
a0d0e21e 2462#ifdef HAS_SOCKET
9cad6237 2463 dSP; dTARGET;
a0d0e21e
LW		 2464 GV *ngv;
2465 GV *ggv;
2466 register IO *nstio;
2467 register IO *gstio;
4633a7c4 2468 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1e422769 2469 Sock_size_t len = sizeof saddr;
a0d0e21e
LW		 2470 int fd;
2471
2472 ggv = (GV*)POPs;
2473 ngv = (GV*)POPs;
2474
2475 if (!ngv)
2476 goto badexit;
2477 if (!ggv)
2478 goto nuts;
2479
2480 gstio = GvIO(ggv);
2481 if (!gstio || !IoIFP(gstio))
2482 goto nuts;
2483
2484 nstio = GvIOn(ngv);
6ad3d225 2485 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
a0d0e21e
LW		 2486 if (fd < 0)
2487 goto badexit;
a70048fb
AB		 2488 if (IoIFP(nstio))
2489 do_close(ngv, FALSE);
479b2847 2490 IoIFP(nstio) = PerlIO_fdopen(fd, "r"PIPESOCK_MODE);
7e56aaa7 2491 IoOFP(nstio) = PerlIO_fdopen(fd, "w"PIPESOCK_MODE);
50952442 2492 IoTYPE(nstio) = IoTYPE_SOCKET;
a0d0e21e 2493 if (!IoIFP(nstio) || !IoOFP(nstio)) {
760ac839
LW		 2494 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2495 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
6ad3d225 2496 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
a0d0e21e
LW		 2497 goto badexit;
2498 }
8d2a6795
GS		 2499#if defined(HAS_FCNTL) && defined(F_SETFD)
2500 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2501#endif
a0d0e21e 2502
ed79a026 2503#ifdef EPOC
a9f1f6b0
OF		 2504 len = sizeof saddr; /* EPOC somehow truncates info */
2505 setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
ed79a026
OF		 2506#endif
2507
748a9306 2508 PUSHp((char *)&saddr, len);
a0d0e21e
LW		 2509 RETURN;
2510
2511nuts:
599cee73 2512 if (ckWARN(WARN_CLOSED))
bc37a18f 2513 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
93189314 2514 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2515
2516badexit:
2517 RETPUSHUNDEF;
2518
2519#else
cea2e8a9 2520 DIE(aTHX_ PL_no_sock_func, "accept");
a0d0e21e
LW		 2521#endif
2522}
2523
2524PP(pp_shutdown)
2525{
a0d0e21e 2526#ifdef HAS_SOCKET
9cad6237 2527 dSP; dTARGET;
a0d0e21e
LW		 2528 int how = POPi;
2529 GV *gv = (GV*)POPs;
2530 register IO *io = GvIOn(gv);
2531
2532 if (!io || !IoIFP(io))
2533 goto nuts;
2534
6ad3d225 2535 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
a0d0e21e
LW		 2536 RETURN;
2537
2538nuts:
599cee73 2539 if (ckWARN(WARN_CLOSED))
bc37a18f 2540 report_evil_fh(gv, io, PL_op->op_type);
93189314 2541 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2542 RETPUSHUNDEF;
2543#else
cea2e8a9 2544 DIE(aTHX_ PL_no_sock_func, "shutdown");
a0d0e21e
LW		 2545#endif
2546}
2547
2548PP(pp_gsockopt)
2549{
2550#ifdef HAS_SOCKET
cea2e8a9 2551 return pp_ssockopt();
a0d0e21e 2552#else
cea2e8a9 2553 DIE(aTHX_ PL_no_sock_func, "getsockopt");
a0d0e21e
LW		 2554#endif
2555}
2556
2557PP(pp_ssockopt)
2558{
a0d0e21e 2559#ifdef HAS_SOCKET
9cad6237 2560 dSP;
533c011a 2561 int optype = PL_op->op_type;
a0d0e21e
LW		 2562 SV *sv;
2563 int fd;
2564 unsigned int optname;
2565 unsigned int lvl;
2566 GV *gv;
2567 register IO *io;
1e422769 2568 Sock_size_t len;
a0d0e21e
LW		 2569
2570 if (optype == OP_GSOCKOPT)
2571 sv = sv_2mortal(NEWSV(22, 257));
2572 else
2573 sv = POPs;
2574 optname = (unsigned int) POPi;
2575 lvl = (unsigned int) POPi;
2576
2577 gv = (GV*)POPs;
2578 io = GvIOn(gv);
2579 if (!io || !IoIFP(io))
2580 goto nuts;
2581
760ac839 2582 fd = PerlIO_fileno(IoIFP(io));
a0d0e21e
LW		 2583 switch (optype) {
2584 case OP_GSOCKOPT:
748a9306 2585 SvGROW(sv, 257);
a0d0e21e 2586 (void)SvPOK_only(sv);
748a9306
LW		 2587 SvCUR_set(sv,256);
2588 *SvEND(sv) ='\0';
1e422769 2589 len = SvCUR(sv);
6ad3d225 2590 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
a0d0e21e 2591 goto nuts2;
1e422769 2592 SvCUR_set(sv, len);
748a9306 2593 *SvEND(sv) ='\0';
a0d0e21e
LW		 2594 PUSHs(sv);
2595 break;
2596 case OP_SSOCKOPT: {
1e422769 2597 char *buf;
2598 int aint;
2599 if (SvPOKp(sv)) {
2d8e6c8d
GS		 2600 STRLEN l;
2601 buf = SvPV(sv, l);
2602 len = l;
1e422769 2603 }
56ee1660 2604 else {
a0d0e21e
LW		 2605 aint = (int)SvIV(sv);
2606 buf = (char*)&aint;
2607 len = sizeof(int);
2608 }
6ad3d225 2609 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
a0d0e21e 2610 goto nuts2;
3280af22 2611 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 2612 }
2613 break;
2614 }
2615 RETURN;
2616
2617nuts:
599cee73 2618 if (ckWARN(WARN_CLOSED))
bc37a18f 2619 report_evil_fh(gv, io, optype);
93189314 2620 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2621nuts2:
2622 RETPUSHUNDEF;
2623
2624#else
cea2e8a9 2625 DIE(aTHX_ PL_no_sock_func, "setsockopt");
a0d0e21e
LW		 2626#endif
2627}
2628
2629PP(pp_getsockname)
2630{
2631#ifdef HAS_SOCKET
cea2e8a9 2632 return pp_getpeername();
a0d0e21e 2633#else
cea2e8a9 2634 DIE(aTHX_ PL_no_sock_func, "getsockname");
a0d0e21e
LW		 2635#endif
2636}
2637
2638PP(pp_getpeername)
2639{
a0d0e21e 2640#ifdef HAS_SOCKET
9cad6237 2641 dSP;
533c011a 2642 int optype = PL_op->op_type;
a0d0e21e
LW		 2643 SV *sv;
2644 int fd;
2645 GV *gv = (GV*)POPs;
2646 register IO *io = GvIOn(gv);
1e422769 2647 Sock_size_t len;
a0d0e21e
LW		 2648
2649 if (!io || !IoIFP(io))
2650 goto nuts;
2651
2652 sv = sv_2mortal(NEWSV(22, 257));
748a9306 2653 (void)SvPOK_only(sv);
1e422769 2654 len = 256;
2655 SvCUR_set(sv, len);
748a9306 2656 *SvEND(sv) ='\0';
760ac839 2657 fd = PerlIO_fileno(IoIFP(io));
a0d0e21e
LW		 2658 switch (optype) {
2659 case OP_GETSOCKNAME:
6ad3d225 2660 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
a0d0e21e
LW		 2661 goto nuts2;
2662 break;
2663 case OP_GETPEERNAME:
6ad3d225 2664 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
a0d0e21e 2665 goto nuts2;
490ab354
JH		 2666#if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2667 {
2668 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";
2669 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2670 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2671 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2672 sizeof(u_short) + sizeof(struct in_addr))) {
301e8125 2673 goto nuts2;
490ab354
JH		 2674 }
2675 }
2676#endif
a0d0e21e
LW		 2677 break;
2678 }
13826f2c
CS		 2679#ifdef BOGUS_GETNAME_RETURN
2680 /* Interactive Unix, getpeername() and getsockname()
2681 does not return valid namelen */
1e422769 2682 if (len == BOGUS_GETNAME_RETURN)
2683 len = sizeof(struct sockaddr);
13826f2c 2684#endif
1e422769 2685 SvCUR_set(sv, len);
748a9306 2686 *SvEND(sv) ='\0';
a0d0e21e
LW		 2687 PUSHs(sv);
2688 RETURN;
2689
2690nuts:
599cee73 2691 if (ckWARN(WARN_CLOSED))
bc37a18f 2692 report_evil_fh(gv, io, optype);
93189314 2693 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2694nuts2:
2695 RETPUSHUNDEF;
2696
2697#else
cea2e8a9 2698 DIE(aTHX_ PL_no_sock_func, "getpeername");
a0d0e21e
LW		 2699#endif
2700}
2701
2702/* Stat calls. */
2703
2704PP(pp_lstat)
2705{
cea2e8a9 2706 return pp_stat();
a0d0e21e
LW		 2707}
2708
2709PP(pp_stat)
2710{
39644a26 2711 dSP;
2dd78f96 2712 GV *gv;
54310121 2713 I32 gimme;
a0d0e21e 2714 I32 max = 13;
2d8e6c8d 2715 STRLEN n_a;
a0d0e21e 2716
533c011a 2717 if (PL_op->op_flags & OPf_REF) {
2dd78f96 2718 gv = cGVOP_gv;
8a4e5b40 2719 if (PL_op->op_type == OP_LSTAT) {
5d3e98de
RGS		 2720 if (gv != PL_defgv) {
2721 if (ckWARN(WARN_IO))
9014280d 2722 Perl_warner(aTHX_ packWARN(WARN_IO),
5d3e98de
RGS		 2723 "lstat() on filehandle %s", GvENAME(gv));
2724 } else if (PL_laststype != OP_LSTAT)
8a4e5b40 2725 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
8a4e5b40
DD		 2726 }
2727
748a9306 2728 do_fstat:
2dd78f96 2729 if (gv != PL_defgv) {
3280af22 2730 PL_laststype = OP_STAT;
2dd78f96 2731 PL_statgv = gv;
3280af22 2732 sv_setpv(PL_statname, "");
2dd78f96
JH		 2733 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2734 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
a0d0e21e 2735 }
9ddeeac9 2736 if (PL_laststatval < 0) {
2dd78f96
JH		 2737 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2738 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
a0d0e21e 2739 max = 0;
9ddeeac9 2740 }
a0d0e21e
LW		 2741 }
2742 else {
748a9306
LW		 2743 SV* sv = POPs;
2744 if (SvTYPE(sv) == SVt_PVGV) {
2dd78f96 2745 gv = (GV*)sv;
748a9306
LW		 2746 goto do_fstat;
2747 }
2748 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2dd78f96 2749 gv = (GV*)SvRV(sv);
5d3e98de 2750 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
9014280d 2751 Perl_warner(aTHX_ packWARN(WARN_IO),
5d3e98de 2752 "lstat() on filehandle %s", GvENAME(gv));
748a9306
LW		 2753 goto do_fstat;
2754 }
2d8e6c8d 2755 sv_setpv(PL_statname, SvPV(sv,n_a));
3280af22 2756 PL_statgv = Nullgv;
a0d0e21e 2757#ifdef HAS_LSTAT
533c011a
NIS		 2758 PL_laststype = PL_op->op_type;
2759 if (PL_op->op_type == OP_LSTAT)
2d8e6c8d 2760 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
a0d0e21e
LW		 2761 else
2762#endif
2d8e6c8d 2763 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
3280af22 2764 if (PL_laststatval < 0) {
2d8e6c8d 2765 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
9014280d 2766 Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat");
a0d0e21e
LW		 2767 max = 0;
2768 }
2769 }
2770
54310121 2771 gimme = GIMME_V;
2772 if (gimme != G_ARRAY) {
2773 if (gimme != G_VOID)
2774 XPUSHs(boolSV(max));
2775 RETURN;
a0d0e21e
LW		 2776 }
2777 if (max) {
36477c24 2778 EXTEND(SP, max);
2779 EXTEND_MORTAL(max);
1ff81528
PL		 2780 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2781 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
b448e4fe
JH		 2782 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2783 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
146174a9
CB		 2784#if Uid_t_size > IVSIZE
2785 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2786#else
23dcd6c8 2787# if Uid_t_sign <= 0
1ff81528 2788 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
23dcd6c8
JH		 2789# else
2790 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2791# endif
146174a9 2792#endif
301e8125 2793#if Gid_t_size > IVSIZE
146174a9
CB		 2794 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2795#else
23dcd6c8 2796# if Gid_t_sign <= 0
1ff81528 2797 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
23dcd6c8
JH		 2798# else
2799 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2800# endif
146174a9 2801#endif
cbdc8872 2802#ifdef USE_STAT_RDEV
1ff81528 2803 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
cbdc8872 2804#else
79cb57f6 2805 PUSHs(sv_2mortal(newSVpvn("", 0)));
cbdc8872 2806#endif
146174a9 2807#if Off_t_size > IVSIZE
4a9d6100 2808 PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size)));
146174a9 2809#else
1ff81528 2810 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
146174a9 2811#endif
cbdc8872 2812#ifdef BIG_TIME
172ae379
JH		 2813 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2814 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2815 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
cbdc8872 2816#else
1ff81528
PL		 2817 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2818 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2819 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
cbdc8872 2820#endif
a0d0e21e 2821#ifdef USE_STAT_BLOCKS
b448e4fe
JH		 2822 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2823 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
a0d0e21e 2824#else
79cb57f6
GS		 2825 PUSHs(sv_2mortal(newSVpvn("", 0)));
2826 PUSHs(sv_2mortal(newSVpvn("", 0)));
a0d0e21e
LW		 2827#endif
2828 }
2829 RETURN;
2830}
2831
2832PP(pp_ftrread)
2833{
9cad6237 2834 I32 result;
2a3ff820 2835 dSP;
5ff3f7a4 2836#if defined(HAS_ACCESS) && defined(R_OK)
2d8e6c8d 2837 STRLEN n_a;
5ff3f7a4 2838 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2839 result = access(TOPpx, R_OK);
5ff3f7a4
GS		 2840 if (result == 0)
2841 RETPUSHYES;
2842 if (result < 0)
2843 RETPUSHUNDEF;
2844 RETPUSHNO;
22865c03
GS		 2845 }
2846 else
cea2e8a9 2847 result = my_stat();
5ff3f7a4 2848#else
cea2e8a9 2849 result = my_stat();
5ff3f7a4 2850#endif
22865c03 2851 SPAGAIN;
a0d0e21e
LW		 2852 if (result < 0)
2853 RETPUSHUNDEF;
3280af22 2854 if (cando(S_IRUSR, 0, &PL_statcache))
a0d0e21e
LW		 2855 RETPUSHYES;
2856 RETPUSHNO;
2857}
2858
2859PP(pp_ftrwrite)
2860{
9cad6237 2861 I32 result;
2a3ff820 2862 dSP;
5ff3f7a4 2863#if defined(HAS_ACCESS) && defined(W_OK)
2d8e6c8d 2864 STRLEN n_a;
5ff3f7a4 2865 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2866 result = access(TOPpx, W_OK);
5ff3f7a4
GS		 2867 if (result == 0)
2868 RETPUSHYES;
2869 if (result < 0)
2870 RETPUSHUNDEF;
2871 RETPUSHNO;
22865c03
GS		 2872 }
2873 else
cea2e8a9 2874 result = my_stat();
5ff3f7a4 2875#else
cea2e8a9 2876 result = my_stat();
5ff3f7a4 2877#endif
22865c03 2878 SPAGAIN;
a0d0e21e
LW		 2879 if (result < 0)
2880 RETPUSHUNDEF;
3280af22 2881 if (cando(S_IWUSR, 0, &PL_statcache))
a0d0e21e
LW		 2882 RETPUSHYES;
2883 RETPUSHNO;
2884}
2885
2886PP(pp_ftrexec)
2887{
9cad6237 2888 I32 result;
2a3ff820 2889 dSP;
5ff3f7a4 2890#if defined(HAS_ACCESS) && defined(X_OK)
2d8e6c8d 2891 STRLEN n_a;
5ff3f7a4 2892 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2893 result = access(TOPpx, X_OK);
5ff3f7a4
GS		 2894 if (result == 0)
2895 RETPUSHYES;
2896 if (result < 0)
2897 RETPUSHUNDEF;
2898 RETPUSHNO;
22865c03
GS		 2899 }
2900 else
cea2e8a9 2901 result = my_stat();
5ff3f7a4 2902#else
cea2e8a9 2903 result = my_stat();
5ff3f7a4 2904#endif
22865c03 2905 SPAGAIN;
a0d0e21e
LW		 2906 if (result < 0)
2907 RETPUSHUNDEF;
3280af22 2908 if (cando(S_IXUSR, 0, &PL_statcache))
a0d0e21e
LW		 2909 RETPUSHYES;
2910 RETPUSHNO;
2911}
2912
2913PP(pp_fteread)
2914{
9cad6237 2915 I32 result;
2a3ff820 2916 dSP;
5ff3f7a4 2917#ifdef PERL_EFF_ACCESS_R_OK
2d8e6c8d 2918 STRLEN n_a;
5ff3f7a4 2919 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2920 result = PERL_EFF_ACCESS_R_OK(TOPpx);
5ff3f7a4
GS		 2921 if (result == 0)
2922 RETPUSHYES;
2923 if (result < 0)
2924 RETPUSHUNDEF;
2925 RETPUSHNO;
22865c03
GS		 2926 }
2927 else
cea2e8a9 2928 result = my_stat();
5ff3f7a4 2929#else
cea2e8a9 2930 result = my_stat();
5ff3f7a4 2931#endif
22865c03 2932 SPAGAIN;
a0d0e21e
LW		 2933 if (result < 0)
2934 RETPUSHUNDEF;
3280af22 2935 if (cando(S_IRUSR, 1, &PL_statcache))
a0d0e21e
LW		 2936 RETPUSHYES;
2937 RETPUSHNO;
2938}
2939
2940PP(pp_ftewrite)
2941{
9cad6237 2942 I32 result;
2a3ff820 2943 dSP;
5ff3f7a4 2944#ifdef PERL_EFF_ACCESS_W_OK
2d8e6c8d 2945 STRLEN n_a;
5ff3f7a4 2946 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2947 result = PERL_EFF_ACCESS_W_OK(TOPpx);
5ff3f7a4
GS		 2948 if (result == 0)
2949 RETPUSHYES;
2950 if (result < 0)
2951 RETPUSHUNDEF;
2952 RETPUSHNO;
22865c03
GS		 2953 }
2954 else
cea2e8a9 2955 result = my_stat();
5ff3f7a4 2956#else
cea2e8a9 2957 result = my_stat();
5ff3f7a4 2958#endif
22865c03 2959 SPAGAIN;
a0d0e21e
LW		 2960 if (result < 0)
2961 RETPUSHUNDEF;
3280af22 2962 if (cando(S_IWUSR, 1, &PL_statcache))
a0d0e21e
LW		 2963 RETPUSHYES;
2964 RETPUSHNO;
2965}
2966
2967PP(pp_fteexec)
2968{
9cad6237 2969 I32 result;
2a3ff820 2970 dSP;
5ff3f7a4 2971#ifdef PERL_EFF_ACCESS_X_OK
2d8e6c8d 2972 STRLEN n_a;
5ff3f7a4 2973 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2974 result = PERL_EFF_ACCESS_X_OK(TOPpx);
5ff3f7a4
GS		 2975 if (result == 0)
2976 RETPUSHYES;
2977 if (result < 0)
2978 RETPUSHUNDEF;
2979 RETPUSHNO;
22865c03
GS		 2980 }
2981 else
cea2e8a9 2982 result = my_stat();
5ff3f7a4 2983#else
cea2e8a9 2984 result = my_stat();
5ff3f7a4 2985#endif
22865c03 2986 SPAGAIN;
a0d0e21e
LW		 2987 if (result < 0)
2988 RETPUSHUNDEF;
3280af22 2989 if (cando(S_IXUSR, 1, &PL_statcache))
a0d0e21e
LW		 2990 RETPUSHYES;
2991 RETPUSHNO;
2992}
2993
2994PP(pp_ftis)
2995{
9cad6237 2996 I32 result = my_stat();
2a3ff820 2997 dSP;
a0d0e21e
LW		 2998 if (result < 0)
2999 RETPUSHUNDEF;
3000 RETPUSHYES;
3001}
3002
3003PP(pp_fteowned)
3004{
cea2e8a9 3005 return pp_ftrowned();
a0d0e21e
LW		 3006}
3007
3008PP(pp_ftrowned)
3009{
9cad6237 3010 I32 result = my_stat();
2a3ff820 3011 dSP;
a0d0e21e
LW		 3012 if (result < 0)
3013 RETPUSHUNDEF;
146174a9
CB		 3014 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
3015 PL_euid : PL_uid) )
a0d0e21e
LW		 3016 RETPUSHYES;
3017 RETPUSHNO;
3018}
3019
3020PP(pp_ftzero)
3021{
9cad6237 3022 I32 result = my_stat();
2a3ff820 3023 dSP;
a0d0e21e
LW		 3024 if (result < 0)
3025 RETPUSHUNDEF;
146174a9 3026 if (PL_statcache.st_size == 0)
a0d0e21e
LW		 3027 RETPUSHYES;
3028 RETPUSHNO;
3029}
3030
3031PP(pp_ftsize)
3032{
9cad6237 3033 I32 result = my_stat();
2a3ff820 3034 dSP; dTARGET;
a0d0e21e
LW		 3035 if (result < 0)
3036 RETPUSHUNDEF;
146174a9
CB		 3037#if Off_t_size > IVSIZE
3038 PUSHn(PL_statcache.st_size);
3039#else
3280af22 3040 PUSHi(PL_statcache.st_size);
146174a9 3041#endif
a0d0e21e
LW		 3042 RETURN;
3043}
3044
3045PP(pp_ftmtime)
3046{
9cad6237 3047 I32 result = my_stat();
2a3ff820 3048 dSP; dTARGET;
a0d0e21e
LW		 3049 if (result < 0)
3050 RETPUSHUNDEF;
c6419e06 3051 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
a0d0e21e
LW		 3052 RETURN;
3053}
3054
3055PP(pp_ftatime)
3056{
9cad6237 3057 I32 result = my_stat();
2a3ff820 3058 dSP; dTARGET;
a0d0e21e
LW		 3059 if (result < 0)
3060 RETPUSHUNDEF;
c6419e06 3061 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
a0d0e21e
LW		 3062 RETURN;
3063}
3064
3065PP(pp_ftctime)
3066{
9cad6237 3067 I32 result = my_stat();
2a3ff820 3068 dSP; dTARGET;
a0d0e21e
LW		 3069 if (result < 0)
3070 RETPUSHUNDEF;
c6419e06 3071 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
a0d0e21e
LW		 3072 RETURN;
3073}
3074
3075PP(pp_ftsock)
3076{
9cad6237 3077 I32 result = my_stat();
2a3ff820 3078 dSP;
a0d0e21e
LW		 3079 if (result < 0)
3080 RETPUSHUNDEF;
3280af22 3081 if (S_ISSOCK(PL_statcache.st_mode))
a0d0e21e
LW		 3082 RETPUSHYES;
3083 RETPUSHNO;
3084}
3085
3086PP(pp_ftchr)
3087{
9cad6237 3088 I32 result = my_stat();
2a3ff820 3089 dSP;
a0d0e21e
LW		 3090 if (result < 0)
3091 RETPUSHUNDEF;
3280af22 3092 if (S_ISCHR(PL_statcache.st_mode))
a0d0e21e
LW		 3093 RETPUSHYES;
3094 RETPUSHNO;
3095}
3096
3097PP(pp_ftblk)
3098{
9cad6237 3099 I32 result = my_stat();
2a3ff820 3100 dSP;
a0d0e21e
LW		 3101 if (result < 0)
3102 RETPUSHUNDEF;
3280af22 3103 if (S_ISBLK(PL_statcache.st_mode))
a0d0e21e
LW		 3104 RETPUSHYES;
3105 RETPUSHNO;
3106}
3107
3108PP(pp_ftfile)
3109{
9cad6237 3110 I32 result = my_stat();
2a3ff820 3111 dSP;
a0d0e21e
LW		 3112 if (result < 0)
3113 RETPUSHUNDEF;
3280af22 3114 if (S_ISREG(PL_statcache.st_mode))
a0d0e21e
LW		 3115 RETPUSHYES;
3116 RETPUSHNO;
3117}
3118
3119PP(pp_ftdir)
3120{
9cad6237 3121 I32 result = my_stat();
2a3ff820 3122 dSP;
a0d0e21e
LW		 3123 if (result < 0)
3124 RETPUSHUNDEF;
3280af22 3125 if (S_ISDIR(PL_statcache.st_mode))
a0d0e21e
LW		 3126 RETPUSHYES;
3127 RETPUSHNO;
3128}
3129
3130PP(pp_ftpipe)
3131{
9cad6237 3132 I32 result = my_stat();
2a3ff820 3133 dSP;
a0d0e21e
LW		 3134 if (result < 0)
3135 RETPUSHUNDEF;
3280af22 3136 if (S_ISFIFO(PL_statcache.st_mode))
a0d0e21e
LW		 3137 RETPUSHYES;
3138 RETPUSHNO;
3139}
3140
3141PP(pp_ftlink)
3142{
9cad6237 3143 I32 result = my_lstat();
2a3ff820 3144 dSP;
a0d0e21e
LW		 3145 if (result < 0)
3146 RETPUSHUNDEF;
3280af22 3147 if (S_ISLNK(PL_statcache.st_mode))
a0d0e21e
LW		 3148 RETPUSHYES;
3149 RETPUSHNO;
3150}
3151
3152PP(pp_ftsuid)
3153{
39644a26 3154 dSP;
a0d0e21e 3155#ifdef S_ISUID
cea2e8a9 3156 I32 result = my_stat();
a0d0e21e
LW		 3157 SPAGAIN;
3158 if (result < 0)
3159 RETPUSHUNDEF;
3280af22 3160 if (PL_statcache.st_mode & S_ISUID)
a0d0e21e
LW		 3161 RETPUSHYES;
3162#endif
3163 RETPUSHNO;
3164}
3165
3166PP(pp_ftsgid)
3167{
39644a26 3168 dSP;
a0d0e21e 3169#ifdef S_ISGID
cea2e8a9 3170 I32 result = my_stat();
a0d0e21e
LW		 3171 SPAGAIN;
3172 if (result < 0)
3173 RETPUSHUNDEF;
3280af22 3174 if (PL_statcache.st_mode & S_ISGID)
a0d0e21e
LW		 3175 RETPUSHYES;
3176#endif
3177 RETPUSHNO;
3178}
3179
3180PP(pp_ftsvtx)
3181{
39644a26 3182 dSP;
a0d0e21e 3183#ifdef S_ISVTX
cea2e8a9 3184 I32 result = my_stat();
a0d0e21e
LW		 3185 SPAGAIN;
3186 if (result < 0)
3187 RETPUSHUNDEF;
3280af22 3188 if (PL_statcache.st_mode & S_ISVTX)
a0d0e21e
LW		 3189 RETPUSHYES;
3190#endif
3191 RETPUSHNO;
3192}
3193
3194PP(pp_fttty)
3195{
39644a26 3196 dSP;
a0d0e21e
LW		 3197 int fd;
3198 GV *gv;
fb73857a 3199 char *tmps = Nullch;
2d8e6c8d 3200 STRLEN n_a;
fb73857a 3201
533c011a 3202 if (PL_op->op_flags & OPf_REF)
146174a9 3203 gv = cGVOP_gv;
fb73857a 3204 else if (isGV(TOPs))
3205 gv = (GV*)POPs;
3206 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3207 gv = (GV*)SvRV(POPs);
a0d0e21e 3208 else
2d8e6c8d 3209 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
fb73857a 3210
a0d0e21e 3211 if (GvIO(gv) && IoIFP(GvIOp(gv)))
760ac839 3212 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
fb73857a 3213 else if (tmps && isDIGIT(*tmps))
a0d0e21e
LW		 3214 fd = atoi(tmps);
3215 else
3216 RETPUSHUNDEF;
6ad3d225 3217 if (PerlLIO_isatty(fd))
a0d0e21e
LW		 3218 RETPUSHYES;
3219 RETPUSHNO;
3220}
3221
16d20bd9
AD		 3222#if defined(atarist) /* this will work with atariST. Configure will
3223 make guesses for other systems. */
3224# define FILE_base(f) ((f)->_base)
3225# define FILE_ptr(f) ((f)->_ptr)
3226# define FILE_cnt(f) ((f)->_cnt)
3227# define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
a0d0e21e
LW		 3228#endif
3229
3230PP(pp_fttext)
3231{
39644a26 3232 dSP;
a0d0e21e
LW		 3233 I32 i;
3234 I32 len;
3235 I32 odd = 0;
3236 STDCHAR tbuf[512];
3237 register STDCHAR *s;
3238 register IO *io;
5f05dabc 3239 register SV *sv;
3240 GV *gv;
2d8e6c8d 3241 STRLEN n_a;
146174a9 3242 PerlIO *fp;
a0d0e21e 3243
533c011a 3244 if (PL_op->op_flags & OPf_REF)
146174a9 3245 gv = cGVOP_gv;
5f05dabc 3246 else if (isGV(TOPs))
3247 gv = (GV*)POPs;
3248 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3249 gv = (GV*)SvRV(POPs);
3250 else
3251 gv = Nullgv;
3252
3253 if (gv) {
a0d0e21e 3254 EXTEND(SP, 1);
3280af22
NIS		 3255 if (gv == PL_defgv) {
3256 if (PL_statgv)
3257 io = GvIO(PL_statgv);
a0d0e21e 3258 else {
3280af22 3259 sv = PL_statname;
a0d0e21e
LW		 3260 goto really_filename;
3261 }
3262 }
3263 else {
3280af22
NIS		 3264 PL_statgv = gv;
3265 PL_laststatval = -1;
3266 sv_setpv(PL_statname, "");
3267 io = GvIO(PL_statgv);
a0d0e21e
LW		 3268 }
3269 if (io && IoIFP(io)) {
5f05dabc 3270 if (! PerlIO_has_base(IoIFP(io)))
cea2e8a9 3271 DIE(aTHX_ "-T and -B not implemented on filehandles");
3280af22
NIS		 3272 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3273 if (PL_laststatval < 0)
5f05dabc 3274 RETPUSHUNDEF;
9cbac4c7 3275 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
533c011a 3276 if (PL_op->op_type == OP_FTTEXT)
a0d0e21e
LW		 3277 RETPUSHNO;
3278 else
3279 RETPUSHYES;
9cbac4c7 3280 }
a20bf0c3 3281 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
760ac839 3282 i = PerlIO_getc(IoIFP(io));
a0d0e21e 3283 if (i != EOF)
760ac839 3284 (void)PerlIO_ungetc(IoIFP(io),i);
a0d0e21e 3285 }
a20bf0c3 3286 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
a0d0e21e 3287 RETPUSHYES;
a20bf0c3
JH		 3288 len = PerlIO_get_bufsiz(IoIFP(io));
3289 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
760ac839
LW		 3290 /* sfio can have large buffers - limit to 512 */
3291 if (len > 512)
3292 len = 512;
a0d0e21e
LW		 3293 }
3294 else {
2dd78f96 3295 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
146174a9 3296 gv = cGVOP_gv;
2dd78f96 3297 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
146174a9 3298 }
93189314 3299 SETERRNO(EBADF,RMS_IFI);
a0d0e21e
LW		 3300 RETPUSHUNDEF;
3301 }
3302 }
3303 else {
3304 sv = POPs;
5f05dabc 3305 really_filename:
3280af22
NIS		 3306 PL_statgv = Nullgv;
3307 PL_laststatval = -1;
5c9aa243 3308 PL_laststype = OP_STAT;
2d8e6c8d 3309 sv_setpv(PL_statname, SvPV(sv, n_a));
146174a9 3310 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
2d8e6c8d 3311 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
9014280d 3312 Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
a0d0e21e
LW		 3313 RETPUSHUNDEF;
3314 }
146174a9
CB		 3315 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3316 if (PL_laststatval < 0) {
3317 (void)PerlIO_close(fp);
5f05dabc 3318 RETPUSHUNDEF;
146174a9 3319 }
60382766 3320 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
146174a9
CB		 3321 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3322 (void)PerlIO_close(fp);
a0d0e21e 3323 if (len <= 0) {
533c011a 3324 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
a0d0e21e
LW		 3325 RETPUSHNO; /* special case NFS directories */
3326 RETPUSHYES; /* null file is anything */
3327 }
3328 s = tbuf;
3329 }
3330
3331 /* now scan s to look for textiness */
4633a7c4 3332 /* XXX ASCII dependent code */
a0d0e21e 3333
146174a9
CB		 3334#if defined(DOSISH) || defined(USEMYBINMODE)
3335 /* ignore trailing ^Z on short files */
3336 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3337 --len;
3338#endif
3339
a0d0e21e
LW		 3340 for (i = 0; i < len; i++, s++) {
3341 if (!*s) { /* null never allowed in text */
3342 odd += len;
3343 break;
3344 }
9d116dd7 3345#ifdef EBCDIC
301e8125 3346 else if (!(isPRINT(*s) || isSPACE(*s)))
9d116dd7
JH		 3347 odd++;
3348#else
146174a9
CB		 3349 else if (*s & 128) {
3350#ifdef USE_LOCALE
2de3dbcc 3351 if (IN_LOCALE_RUNTIME && isALPHA_LC(*s))
b3f66c68
GS		 3352 continue;
3353#endif
3354 /* utf8 characters don't count as odd */
fd400ab9 3355 if (UTF8_IS_START(*s)) {
b3f66c68
GS		 3356 int ulen = UTF8SKIP(s);
3357 if (ulen < len - i) {
3358 int j;
3359 for (j = 1; j < ulen; j++) {
fd400ab9 3360 if (!UTF8_IS_CONTINUATION(s[j]))
b3f66c68
GS		 3361 goto not_utf8;
3362 }
3363 --ulen; /* loop does extra increment */
3364 s += ulen;
3365 i += ulen;
3366 continue;
3367 }
3368 }
3369 not_utf8:
3370 odd++;
146174a9 3371 }
a0d0e21e
LW		 3372 else if (*s < 32 &&
3373 *s != '\n' && *s != '\r' && *s != '\b' &&
3374 *s != '\t' && *s != '\f' && *s != 27)
3375 odd++;
9d116dd7 3376#endif
a0d0e21e
LW		 3377 }
3378
533c011a 3379 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
a0d0e21e
LW		 3380 RETPUSHNO;
3381 else
3382 RETPUSHYES;
3383}
3384
3385PP(pp_ftbinary)
3386{
cea2e8a9 3387 return pp_fttext();
a0d0e21e
LW		 3388}
3389
3390/* File calls. */
3391
3392PP(pp_chdir)
3393{
39644a26 3394 dSP; dTARGET;
a0d0e21e
LW		 3395 char *tmps;
3396 SV **svp;
2d8e6c8d 3397 STRLEN n_a;
a0d0e21e 3398
35ae6b54
MS		 3399 if( MAXARG == 1 )
3400 tmps = POPpx;
3401 else
3402 tmps = 0;
3403
3404 if( !tmps || !*tmps ) {
3405 if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE))
3406 || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE))
491527d0 3407#ifdef VMS
35ae6b54 3408 || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE))
491527d0 3409#endif
35ae6b54
MS		 3410 )
3411 {
3412 if( MAXARG == 1 )
9014280d 3413 deprecate("chdir('') or chdir(undef) as chdir()");
35ae6b54
MS		 3414 tmps = SvPV(*svp, n_a);
3415 }
72f496dc 3416 else {
389ec635 3417 PUSHi(0);
b7ab37f8 3418 TAINT_PROPER("chdir");
389ec635
MS		 3419 RETURN;
3420 }
8ea155d1 3421 }
8ea155d1 3422
a0d0e21e 3423 TAINT_PROPER("chdir");
6ad3d225 3424 PUSHi( PerlDir_chdir(tmps) >= 0 );
748a9306
LW		 3425#ifdef VMS
3426 /* Clear the DEFAULT element of ENV so we'll get the new value
3427 * in the future. */
6b88bc9c 3428 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
748a9306 3429#endif
a0d0e21e
LW		 3430 RETURN;
3431}
3432
3433PP(pp_chown)
3434{
a0d0e21e 3435#ifdef HAS_CHOWN
76ffd3b9
IZ		 3436 dSP; dMARK; dTARGET;
3437 I32 value = (I32)apply(PL_op->op_type, MARK, SP);
3438
a0d0e21e
LW		 3439 SP = MARK;
3440 PUSHi(value);
3441 RETURN;
3442#else
0322a713 3443 DIE(aTHX_ PL_no_func, "chown");
a0d0e21e
LW		 3444#endif
3445}
3446
3447PP(pp_chroot)
3448{
a0d0e21e 3449#ifdef HAS_CHROOT
76ffd3b9 3450 dSP; dTARGET;
2d8e6c8d 3451 STRLEN n_a;
d05c1ba0 3452 char *tmps = POPpx;
a0d0e21e
LW		 3453 TAINT_PROPER("chroot");
3454 PUSHi( chroot(tmps) >= 0 );
3455 RETURN;
3456#else
cea2e8a9 3457 DIE(aTHX_ PL_no_func, "chroot");
a0d0e21e
LW		 3458#endif
3459}
3460
3461PP(pp_unlink)
3462{
39644a26 3463 dSP; dMARK; dTARGET;
a0d0e21e 3464 I32 value;
533c011a 3465 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3466 SP = MARK;
3467 PUSHi(value);
3468 RETURN;
3469}
3470
3471PP(pp_chmod)
3472{
39644a26 3473 dSP; dMARK; dTARGET;
a0d0e21e 3474 I32 value;
533c011a 3475 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3476 SP = MARK;
3477 PUSHi(value);
3478 RETURN;
3479}
3480
3481PP(pp_utime)
3482{
39644a26 3483 dSP; dMARK; dTARGET;
a0d0e21e 3484 I32 value;
533c011a 3485 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3486 SP = MARK;
3487 PUSHi(value);
3488 RETURN;
3489}
3490
3491PP(pp_rename)
3492{
39644a26 3493 dSP; dTARGET;
a0d0e21e 3494 int anum;
2d8e6c8d 3495 STRLEN n_a;
a0d0e21e 3496
2d8e6c8d
GS		 3497 char *tmps2 = POPpx;
3498 char *tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3499 TAINT_PROPER("rename");
3500#ifdef HAS_RENAME
baed7233 3501 anum = PerlLIO_rename(tmps, tmps2);
a0d0e21e 3502#else
6b88bc9c 3503 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
ed969818
W		 3504 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3505 anum = 1;
3506 else {
3654eb6c 3507 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
ed969818
W		 3508 (void)UNLINK(tmps2);
3509 if (!(anum = link(tmps, tmps2)))
3510 anum = UNLINK(tmps);
3511 }
a0d0e21e
LW		 3512 }
3513#endif
3514 SETi( anum >= 0 );
3515 RETURN;
3516}
3517
3518PP(pp_link)
3519{
a0d0e21e 3520#ifdef HAS_LINK
370f6000 3521 dSP; dTARGET;
2d8e6c8d
GS		 3522 STRLEN n_a;
3523 char *tmps2 = POPpx;
3524 char *tmps = SvPV(TOPs, n_a);
a0d0e21e 3525 TAINT_PROPER("link");
146174a9 3526 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
65850d11 3527 RETURN;
a0d0e21e 3528#else
0322a713 3529 DIE(aTHX_ PL_no_func, "link");
a0d0e21e 3530#endif
a0d0e21e
LW		 3531}
3532
3533PP(pp_symlink)
3534{
a0d0e21e 3535#ifdef HAS_SYMLINK
9cad6237 3536 dSP; dTARGET;
2d8e6c8d
GS		 3537 STRLEN n_a;
3538 char *tmps2 = POPpx;
3539 char *tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3540 TAINT_PROPER("symlink");
3541 SETi( symlink(tmps, tmps2) >= 0 );
3542 RETURN;
3543#else
cea2e8a9 3544 DIE(aTHX_ PL_no_func, "symlink");
a0d0e21e
LW		 3545#endif
3546}
3547
3548PP(pp_readlink)
3549{
76ffd3b9 3550 dSP;
a0d0e21e 3551#ifdef HAS_SYMLINK
76ffd3b9 3552 dTARGET;
a0d0e21e 3553 char *tmps;
46fc3d4c 3554 char buf[MAXPATHLEN];
a0d0e21e 3555 int len;
2d8e6c8d 3556 STRLEN n_a;
46fc3d4c 3557
fb73857a 3558#ifndef INCOMPLETE_TAINTS
3559 TAINT;
3560#endif
2d8e6c8d 3561 tmps = POPpx;
97dcea33 3562 len = readlink(tmps, buf, sizeof(buf) - 1);
a0d0e21e
LW		 3563 EXTEND(SP, 1);
3564 if (len < 0)
3565 RETPUSHUNDEF;
3566 PUSHp(buf, len);
3567 RETURN;
3568#else
3569 EXTEND(SP, 1);
3570 RETSETUNDEF; /* just pretend it's a normal file */
3571#endif
3572}
3573
3574#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
ba106d47 3575STATIC int
cea2e8a9 3576S_dooneliner(pTHX_ char *cmd, char *filename)
a0d0e21e 3577{
1e422769 3578 char *save_filename = filename;
3579 char *cmdline;
3580 char *s;
760ac839 3581 PerlIO *myfp;
1e422769 3582 int anum = 1;
a0d0e21e 3583
1e422769 3584 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3585 strcpy(cmdline, cmd);
3586 strcat(cmdline, " ");
3587 for (s = cmdline + strlen(cmdline); *filename; ) {
a0d0e21e
LW		 3588 *s++ = '\\';
3589 *s++ = *filename++;
3590 }
3591 strcpy(s, " 2>&1");
6ad3d225 3592 myfp = PerlProc_popen(cmdline, "r");
1e422769 3593 Safefree(cmdline);
3594
a0d0e21e 3595 if (myfp) {
1e422769 3596 SV *tmpsv = sv_newmortal();
6b88bc9c 3597 /* Need to save/restore 'PL_rs' ?? */
760ac839 3598 s = sv_gets(tmpsv, myfp, 0);
6ad3d225 3599 (void)PerlProc_pclose(myfp);
a0d0e21e 3600 if (s != Nullch) {
1e422769 3601 int e;
3602 for (e = 1;
a0d0e21e 3603#ifdef HAS_SYS_ERRLIST
1e422769 3604 e <= sys_nerr
3605#endif
3606 ; e++)
3607 {
3608 /* you don't see this */
3609 char *errmsg =
3610#ifdef HAS_SYS_ERRLIST
3611 sys_errlist[e]
a0d0e21e 3612#else
1e422769 3613 strerror(e)
a0d0e21e 3614#endif
1e422769 3615 ;
3616 if (!errmsg)
3617 break;
3618 if (instr(s, errmsg)) {
3619 SETERRNO(e,0);
3620 return 0;
3621 }
a0d0e21e 3622 }
748a9306 3623 SETERRNO(0,0);
a0d0e21e
LW		 3624#ifndef EACCES
3625#define EACCES EPERM
3626#endif
1e422769 3627 if (instr(s, "cannot make"))
93189314 3628 SETERRNO(EEXIST,RMS_FEX);
1e422769 3629 else if (instr(s, "existing file"))
93189314 3630 SETERRNO(EEXIST,RMS_FEX);
1e422769 3631 else if (instr(s, "ile exists"))
93189314 3632 SETERRNO(EEXIST,RMS_FEX);
1e422769 3633 else if (instr(s, "non-exist"))
93189314 3634 SETERRNO(ENOENT,RMS_FNF);
1e422769 3635 else if (instr(s, "does not exist"))
93189314 3636 SETERRNO(ENOENT,RMS_FNF);
1e422769 3637 else if (instr(s, "not empty"))
93189314 3638 SETERRNO(EBUSY,SS_DEVOFFLINE);
1e422769 3639 else if (instr(s, "cannot access"))
93189314 3640 SETERRNO(EACCES,RMS_PRV);
a0d0e21e 3641 else
93189314 3642 SETERRNO(EPERM,RMS_PRV);
a0d0e21e
LW		 3643 return 0;
3644 }
3645 else { /* some mkdirs return no failure indication */
6b88bc9c 3646 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
911d147d 3647 if (PL_op->op_type == OP_RMDIR)
a0d0e21e
LW		 3648 anum = !anum;
3649 if (anum)
748a9306 3650 SETERRNO(0,0);
a0d0e21e 3651 else
93189314 3652 SETERRNO(EACCES,RMS_PRV); /* a guess */
a0d0e21e
LW		 3653 }
3654 return anum;
3655 }
3656 else
3657 return 0;
3658}
3659#endif
3660
3661PP(pp_mkdir)
3662{
39644a26 3663 dSP; dTARGET;
5a211162 3664 int mode;
a0d0e21e
LW		 3665#ifndef HAS_MKDIR
3666 int oldumask;
3667#endif
df25ddba 3668 STRLEN len;
5a211162 3669 char *tmps;
df25ddba 3670 bool copy = FALSE;
5a211162
GS		 3671
3672 if (MAXARG > 1)
3673 mode = POPi;
3674 else
3675 mode = 0777;
3676
df25ddba
JH		 3677 tmps = SvPV(TOPs, len);
3678 /* Different operating and file systems take differently to
16ac3975
JH		 3679 * trailing slashes. According to POSIX 1003.1 1996 Edition
3680 * any number of trailing slashes should be allowed.
3681 * Thusly we snip them away so that even non-conforming
3682 * systems are happy. */
3683 /* We should probably do this "filtering" for all
3684 * the functions that expect (potentially) directory names:
3685 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3686 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3687 if (len > 1 && tmps[len-1] == '/') {
61439650 3688 while (tmps[len-1] == '/' && len > 1)
16ac3975
JH		 3689 len--;
3690 tmps = savepvn(tmps, len);
df25ddba
JH		 3691 copy = TRUE;
3692 }
a0d0e21e
LW		 3693
3694 TAINT_PROPER("mkdir");
3695#ifdef HAS_MKDIR
6ad3d225 3696 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
a0d0e21e
LW		 3697#else
3698 SETi( dooneliner("mkdir", tmps) );
6ad3d225
GS		 3699 oldumask = PerlLIO_umask(0);
3700 PerlLIO_umask(oldumask);
3701 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
a0d0e21e 3702#endif
df25ddba
JH		 3703 if (copy)
3704 Safefree(tmps);
a0d0e21e
LW		 3705 RETURN;
3706}
3707
3708PP(pp_rmdir)
3709{
39644a26 3710 dSP; dTARGET;
a0d0e21e 3711 char *tmps;
2d8e6c8d 3712 STRLEN n_a;
a0d0e21e 3713
2d8e6c8d 3714 tmps = POPpx;
a0d0e21e
LW		 3715 TAINT_PROPER("rmdir");
3716#ifdef HAS_RMDIR
6ad3d225 3717 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
a0d0e21e
LW		 3718#else
3719 XPUSHi( dooneliner("rmdir", tmps) );
3720#endif
3721 RETURN;
3722}
3723
3724/* Directory calls. */
3725
3726PP(pp_open_dir)
3727{
a0d0e21e 3728#if defined(Direntry_t) && defined(HAS_READDIR)
9cad6237 3729 dSP;
2d8e6c8d
GS		 3730 STRLEN n_a;
3731 char *dirname = POPpx;
1e2c6ed7
JH		 3732 GV *gv = (GV*)POPs;
3733 register IO *io = GvIOn(gv);
a0d0e21e
LW		 3734
3735 if (!io)
3736 goto nope;
3737
3738 if (IoDIRP(io))
6ad3d225
GS		 3739 PerlDir_close(IoDIRP(io));
3740 if (!(IoDIRP(io) = PerlDir_open(dirname)))
a0d0e21e
LW		 3741 goto nope;
3742
3743 RETPUSHYES;
3744nope:
3745 if (!errno)
93189314 3746 SETERRNO(EBADF,RMS_DIR);
a0d0e21e
LW		 3747 RETPUSHUNDEF;
3748#else
cea2e8a9 3749 DIE(aTHX_ PL_no_dir_func, "opendir");
a0d0e21e
LW		 3750#endif
3751}
3752
3753PP(pp_readdir)
3754{
a0d0e21e 3755#if defined(Direntry_t) && defined(HAS_READDIR)
9cad6237 3756 dSP;
fd8cd3a3 3757#if !defined(I_DIRENT) && !defined(VMS)
20ce7b12 3758 Direntry_t *readdir (DIR *);
a0d0e21e
LW		 3759#endif
3760 register Direntry_t *dp;
3761 GV *gv = (GV*)POPs;
3762 register IO *io = GvIOn(gv);
fb73857a 3763 SV *sv;
a0d0e21e
LW		 3764
3765 if (!io || !IoDIRP(io))
3766 goto nope;
3767
3768 if (GIMME == G_ARRAY) {
3769 /*SUPPRESS 560*/
155aba94 3770 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
a0d0e21e 3771#ifdef DIRNAMLEN
79cb57f6 3772 sv = newSVpvn(dp->d_name, dp->d_namlen);
a0d0e21e 3773#else
fb73857a 3774 sv = newSVpv(dp->d_name, 0);
3775#endif
3776#ifndef INCOMPLETE_TAINTS
26fb8f1f
GS		 3777 if (!(IoFLAGS(io) & IOf_UNTAINT))
3778 SvTAINTED_on(sv);
a0d0e21e 3779#endif
fb73857a 3780 XPUSHs(sv_2mortal(sv));
a0d0e21e
LW		 3781 }
3782 }
3783 else {
6ad3d225 3784 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
a0d0e21e
LW		 3785 goto nope;
3786#ifdef DIRNAMLEN
79cb57f6 3787 sv = newSVpvn(dp->d_name, dp->d_namlen);
a0d0e21e 3788#else
fb73857a 3789 sv = newSVpv(dp->d_name, 0);
a0d0e21e 3790#endif
fb73857a 3791#ifndef INCOMPLETE_TAINTS
26fb8f1f
GS		 3792 if (!(IoFLAGS(io) & IOf_UNTAINT))
3793 SvTAINTED_on(sv);
fb73857a 3794#endif
3795 XPUSHs(sv_2mortal(sv));
a0d0e21e
LW		 3796 }
3797 RETURN;
3798
3799nope:
3800 if (!errno)
93189314 3801 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3802 if (GIMME == G_ARRAY)
3803 RETURN;
3804 else
3805 RETPUSHUNDEF;
3806#else
cea2e8a9 3807 DIE(aTHX_ PL_no_dir_func, "readdir");
a0d0e21e
LW		 3808#endif
3809}
3810
3811PP(pp_telldir)
3812{
a0d0e21e 3813#if defined(HAS_TELLDIR) || defined(telldir)
9cad6237 3814 dSP; dTARGET;
968dcd91
JH		 3815 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3816 /* XXX netbsd still seemed to.
3817 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3818 --JHI 1999-Feb-02 */
3819# if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
20ce7b12 3820 long telldir (DIR *);
dfe9444c 3821# endif
a0d0e21e
LW		 3822 GV *gv = (GV*)POPs;
3823 register IO *io = GvIOn(gv);
3824
3825 if (!io || !IoDIRP(io))
3826 goto nope;
3827
6ad3d225 3828 PUSHi( PerlDir_tell(IoDIRP(io)) );
a0d0e21e
LW		 3829 RETURN;
3830nope:
3831 if (!errno)
93189314 3832 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3833 RETPUSHUNDEF;
3834#else
cea2e8a9 3835 DIE(aTHX_ PL_no_dir_func, "telldir");
a0d0e21e
LW		 3836#endif
3837}
3838
3839PP(pp_seekdir)
3840{
a0d0e21e 3841#if defined(HAS_SEEKDIR) || defined(seekdir)
9cad6237 3842 dSP;
a0d0e21e
LW		 3843 long along = POPl;
3844 GV *gv = (GV*)POPs;
3845 register IO *io = GvIOn(gv);
3846
3847 if (!io || !IoDIRP(io))
3848 goto nope;
3849
6ad3d225 3850 (void)PerlDir_seek(IoDIRP(io), along);
a0d0e21e
LW		 3851
3852 RETPUSHYES;
3853nope:
3854 if (!errno)
93189314 3855 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3856 RETPUSHUNDEF;
3857#else
cea2e8a9 3858 DIE(aTHX_ PL_no_dir_func, "seekdir");
a0d0e21e
LW		 3859#endif
3860}
3861
3862PP(pp_rewinddir)
3863{
a0d0e21e 3864#if defined(HAS_REWINDDIR) || defined(rewinddir)
9cad6237 3865 dSP;
a0d0e21e
LW		 3866 GV *gv = (GV*)POPs;
3867 register IO *io = GvIOn(gv);
3868
3869 if (!io || !IoDIRP(io))
3870 goto nope;
3871
6ad3d225 3872 (void)PerlDir_rewind(IoDIRP(io));
a0d0e21e
LW		 3873 RETPUSHYES;
3874nope:
3875 if (!errno)
93189314 3876 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3877 RETPUSHUNDEF;
3878#else
cea2e8a9 3879 DIE(aTHX_ PL_no_dir_func, "rewinddir");
a0d0e21e
LW		 3880#endif
3881}
3882
3883PP(pp_closedir)
3884{
a0d0e21e 3885#if defined(Direntry_t) && defined(HAS_READDIR)
9cad6237 3886 dSP;
a0d0e21e
LW		 3887 GV *gv = (GV*)POPs;
3888 register IO *io = GvIOn(gv);
3889
3890 if (!io || !IoDIRP(io))
3891 goto nope;
3892
3893#ifdef VOID_CLOSEDIR
6ad3d225 3894 PerlDir_close(IoDIRP(io));
a0d0e21e 3895#else
6ad3d225 3896 if (PerlDir_close(IoDIRP(io)) < 0) {
748a9306 3897 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
a0d0e21e 3898 goto nope;
748a9306 3899 }
a0d0e21e
LW		 3900#endif
3901 IoDIRP(io) = 0;
3902
3903 RETPUSHYES;
3904nope:
3905 if (!errno)
93189314 3906 SETERRNO(EBADF,RMS_IFI);
a0d0e21e
LW		 3907 RETPUSHUNDEF;
3908#else
cea2e8a9 3909 DIE(aTHX_ PL_no_dir_func, "closedir");
a0d0e21e
LW		 3910#endif
3911}
3912
3913/* Process control. */
3914
3915PP(pp_fork)
3916{
44a8e56a 3917#ifdef HAS_FORK
39644a26 3918 dSP; dTARGET;
761237fe 3919 Pid_t childpid;
a0d0e21e
LW		 3920 GV *tmpgv;
3921
3922 EXTEND(SP, 1);
45bc9206 3923 PERL_FLUSHALL_FOR_CHILD;
52e18b1f 3924 childpid = PerlProc_fork();
a0d0e21e
LW		 3925 if (childpid < 0)
3926 RETSETUNDEF;
3927 if (!childpid) {
3928 /*SUPPRESS 560*/
306196c3
MS		 3929 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) {
3930 SvREADONLY_off(GvSV(tmpgv));
146174a9 3931 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
306196c3
MS		 3932 SvREADONLY_on(GvSV(tmpgv));
3933 }
4d76a344
RGS		 3934#ifdef THREADS_HAVE_PIDS
3935 PL_ppid = (IV)getppid();
3936#endif
3280af22 3937 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
a0d0e21e
LW		 3938 }
3939 PUSHi(childpid);
3940 RETURN;
3941#else
146174a9 3942# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
39644a26 3943 dSP; dTARGET;
146174a9
CB		 3944 Pid_t childpid;
3945
3946 EXTEND(SP, 1);
3947 PERL_FLUSHALL_FOR_CHILD;
3948 childpid = PerlProc_fork();
60fa28ff
GS		 3949 if (childpid == -1)
3950 RETSETUNDEF;
146174a9
CB		 3951 PUSHi(childpid);
3952 RETURN;
3953# else
0322a713 3954 DIE(aTHX_ PL_no_func, "fork");
146174a9 3955# endif
a0d0e21e
LW		 3956#endif
3957}
3958
3959PP(pp_wait)
3960{
301e8125 3961#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
39644a26 3962 dSP; dTARGET;
761237fe 3963 Pid_t childpid;
a0d0e21e 3964 int argflags;
a0d0e21e 3965
4ffa73a3
JH		 3966 if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
3967 childpid = wait4pid(-1, &argflags, 0);
3968 else {
3969 while ((childpid = wait4pid(-1, &argflags, 0)) == -1 &&
3970 errno == EINTR) {
3971 PERL_ASYNC_CHECK();
3972 }
0a0ada86 3973 }
68a29c53
GS		 3974# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3975 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3976 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3977# else
f86702cc 3978 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
68a29c53 3979# endif
44a8e56a 3980 XPUSHi(childpid);
a0d0e21e
LW		 3981 RETURN;
3982#else
0322a713 3983 DIE(aTHX_ PL_no_func, "wait");
a0d0e21e
LW		 3984#endif
3985}
3986
3987PP(pp_waitpid)
3988{
301e8125 3989#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
39644a26 3990 dSP; dTARGET;
761237fe 3991 Pid_t childpid;
a0d0e21e
LW		 3992 int optype;
3993 int argflags;
a0d0e21e 3994
a0d0e21e
LW		 3995 optype = POPi;
3996 childpid = TOPi;
4ffa73a3
JH		 3997 if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
3998 childpid = wait4pid(childpid, &argflags, optype);
3999 else {
4000 while ((childpid = wait4pid(childpid, &argflags, optype)) == -1 &&
4001 errno == EINTR) {
4002 PERL_ASYNC_CHECK();
4003 }
0a0ada86 4004 }
68a29c53
GS		 4005# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4006 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
4007 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
4008# else
f86702cc 4009 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
68a29c53 4010# endif
44a8e56a 4011 SETi(childpid);
a0d0e21e
LW		 4012 RETURN;
4013#else
0322a713 4014 DIE(aTHX_ PL_no_func, "waitpid");
a0d0e21e
LW		 4015#endif
4016}
4017
4018PP(pp_system)
4019{
39644a26 4020 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e 4021 I32 value;
2d8e6c8d 4022 STRLEN n_a;
76ffd3b9 4023 int result;
e7766f89 4024 I32 did_pipes = 0;
a0d0e21e 4025
bbd7eb8a
RD		 4026 if (PL_tainting) {
4027 TAINT_ENV();
4028 while (++MARK <= SP) {
4029 (void)SvPV_nolen(*MARK); /* stringify for taint check */
5a445156 4030 if (PL_tainted)
bbd7eb8a
RD		 4031 break;
4032 }
4033 MARK = ORIGMARK;
5a445156 4034 TAINT_PROPER("system");
a0d0e21e 4035 }
45bc9206 4036 PERL_FLUSHALL_FOR_CHILD;
273b0206 4037#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO)
d7e492a4 4038 {
eb160463
GS		 4039 Pid_t childpid;
4040 int pp[2];
4041
4042 if (PerlProc_pipe(pp) >= 0)
4043 did_pipes = 1;
4044 while ((childpid = PerlProc_fork()) == -1) {
4045 if (errno != EAGAIN) {
4046 value = -1;
4047 SP = ORIGMARK;
4048 PUSHi(value);
4049 if (did_pipes) {
4050 PerlLIO_close(pp[0]);
4051 PerlLIO_close(pp[1]);
4052 }
4053 RETURN;
4054 }
4055 sleep(5);
4056 }
4057 if (childpid > 0) {
4058 Sigsave_t ihand,qhand; /* place to save signals during system() */
4059 int status;
4060
4061 if (did_pipes)
4062 PerlLIO_close(pp[1]);
64ca3a65 4063#ifndef PERL_MICRO
eb160463
GS		 4064 rsignal_save(SIGINT, SIG_IGN, &ihand);
4065 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
64ca3a65 4066#endif
eb160463
GS		 4067 do {
4068 result = wait4pid(childpid, &status, 0);
4069 } while (result == -1 && errno == EINTR);
64ca3a65 4070#ifndef PERL_MICRO
eb160463
GS		 4071 (void)rsignal_restore(SIGINT, &ihand);
4072 (void)rsignal_restore(SIGQUIT, &qhand);
4073#endif
4074 STATUS_NATIVE_SET(result == -1 ? -1 : status);
4075 do_execfree(); /* free any memory child malloced on fork */
4076 SP = ORIGMARK;
4077 if (did_pipes) {
4078 int errkid;
4079 int n = 0, n1;
4080
4081 while (n < sizeof(int)) {
4082 n1 = PerlLIO_read(pp[0],
4083 (void*)(((char*)&errkid)+n),
4084 (sizeof(int)) - n);
4085 if (n1 <= 0)
4086 break;
4087 n += n1;
4088 }
4089 PerlLIO_close(pp[0]);
4090 if (n) { /* Error */
4091 if (n != sizeof(int))
4092 DIE(aTHX_ "panic: kid popen errno read");
4093 errno = errkid; /* Propagate errno from kid */
4094 STATUS_CURRENT = -1;
4095 }
4096 }
4097 PUSHi(STATUS_CURRENT);
4098 RETURN;
4099 }
4100 if (did_pipes) {
4101 PerlLIO_close(pp[0]);
d5a9bfb0 4102#if defined(HAS_FCNTL) && defined(F_SETFD)
eb160463 4103 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
d5a9bfb0 4104#endif
eb160463 4105 }
e0a1f643
JH		 4106 if (PL_op->op_flags & OPf_STACKED) {
4107 SV *really = *++MARK;
4108 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4109 }
4110 else if (SP - MARK != 1)
4111 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4112 else {
4113 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4114 }
4115 PerlProc__exit(-1);
d5a9bfb0 4116 }
c3293030 4117#else /* ! FORK or VMS or OS/2 */
922b1888
GS		 4118 PL_statusvalue = 0;
4119 result = 0;
911d147d 4120 if (PL_op->op_flags & OPf_STACKED) {
a0d0e21e 4121 SV *really = *++MARK;
54725af6
GS		 4122# ifdef WIN32
4123 value = (I32)do_aspawn(really, MARK, SP);
4124# else
c5be433b 4125 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
54725af6 4126# endif
a0d0e21e 4127 }
54725af6
GS		 4128 else if (SP - MARK != 1) {
4129# ifdef WIN32
4130 value = (I32)do_aspawn(Nullsv, MARK, SP);
4131# else
c5be433b 4132 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
54725af6
GS		 4133# endif
4134 }
a0d0e21e 4135 else {
c5be433b 4136 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
a0d0e21e 4137 }
922b1888
GS		 4138 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4139 result = 1;
f86702cc 4140 STATUS_NATIVE_SET(value);
a0d0e21e
LW		 4141 do_execfree();
4142 SP = ORIGMARK;
922b1888 4143 PUSHi(result ? value : STATUS_CURRENT);
a0d0e21e
LW		 4144#endif /* !FORK or VMS */
4145 RETURN;
4146}
4147
4148PP(pp_exec)
4149{
39644a26 4150 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e 4151 I32 value;
2d8e6c8d 4152 STRLEN n_a;
a0d0e21e 4153
bbd7eb8a
RD		 4154 if (PL_tainting) {
4155 TAINT_ENV();
4156 while (++MARK <= SP) {
4157 (void)SvPV_nolen(*MARK); /* stringify for taint check */
5a445156 4158 if (PL_tainted)
bbd7eb8a
RD		 4159 break;
4160 }
4161 MARK = ORIGMARK;
5a445156 4162 TAINT_PROPER("exec");
bbd7eb8a 4163 }
45bc9206 4164 PERL_FLUSHALL_FOR_CHILD;
533c011a 4165 if (PL_op->op_flags & OPf_STACKED) {
a0d0e21e
LW		 4166 SV *really = *++MARK;
4167 value = (I32)do_aexec(really, MARK, SP);
4168 }
4169 else if (SP - MARK != 1)
4170#ifdef VMS
4171 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4172#else
092bebab
JH		 4173# ifdef __OPEN_VM
4174 {
c5be433b 4175 (void ) do_aspawn(Nullsv, MARK, SP);
092bebab
JH		 4176 value = 0;
4177 }
4178# else
a0d0e21e 4179 value = (I32)do_aexec(Nullsv, MARK, SP);
092bebab 4180# endif
a0d0e21e
LW		 4181#endif
4182 else {
a0d0e21e 4183#ifdef VMS
2d8e6c8d 4184 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
a0d0e21e 4185#else
092bebab 4186# ifdef __OPEN_VM
c5be433b 4187 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
092bebab
JH		 4188 value = 0;
4189# else
2d8e6c8d 4190 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
092bebab 4191# endif
a0d0e21e
LW		 4192#endif
4193 }
146174a9 4194
a0d0e21e
LW		 4195 SP = ORIGMARK;
4196 PUSHi(value);
4197 RETURN;
4198}
4199
4200PP(pp_kill)
4201{
9cad6237 4202#ifdef HAS_KILL
39644a26 4203 dSP; dMARK; dTARGET;
a0d0e21e 4204 I32 value;
533c011a 4205 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 4206 SP = MARK;
4207 PUSHi(value);
4208 RETURN;
4209#else
0322a713 4210 DIE(aTHX_ PL_no_func, "kill");
a0d0e21e
LW		 4211#endif
4212}
4213
4214PP(pp_getppid)
4215{
4216#ifdef HAS_GETPPID
39644a26 4217 dSP; dTARGET;
4d76a344
RGS		 4218# ifdef THREADS_HAVE_PIDS
4219 XPUSHi( PL_ppid );
4220# else
a0d0e21e 4221 XPUSHi( getppid() );
4d76a344 4222# endif
a0d0e21e
LW		 4223 RETURN;
4224#else
cea2e8a9 4225 DIE(aTHX_ PL_no_func, "getppid");
a0d0e21e
LW		 4226#endif
4227}
4228
4229PP(pp_getpgrp)
4230{
4231#ifdef HAS_GETPGRP
39644a26 4232 dSP; dTARGET;
d8a83dd3 4233 Pid_t pid;
9853a804 4234 Pid_t pgrp;
a0d0e21e
LW		 4235
4236 if (MAXARG < 1)
4237 pid = 0;
4238 else
4239 pid = SvIVx(POPs);
c3293030 4240#ifdef BSD_GETPGRP
9853a804 4241 pgrp = (I32)BSD_GETPGRP(pid);
a0d0e21e 4242#else
146174a9 4243 if (pid != 0 && pid != PerlProc_getpid())
cea2e8a9 4244 DIE(aTHX_ "POSIX getpgrp can't take an argument");
9853a804 4245 pgrp = getpgrp();
a0d0e21e 4246#endif
9853a804 4247 XPUSHi(pgrp);
a0d0e21e
LW		 4248 RETURN;
4249#else
cea2e8a9 4250 DIE(aTHX_ PL_no_func, "getpgrp()");
a0d0e21e
LW		 4251#endif
4252}
4253
4254PP(pp_setpgrp)
4255{
4256#ifdef HAS_SETPGRP
39644a26 4257 dSP; dTARGET;
d8a83dd3
JH		 4258 Pid_t pgrp;
4259 Pid_t pid;
a0d0e21e
LW		 4260 if (MAXARG < 2) {
4261 pgrp = 0;
4262 pid = 0;
4263 }
4264 else {
4265 pgrp = POPi;
4266 pid = TOPi;
4267 }
4268
4269 TAINT_PROPER("setpgrp");
c3293030
IZ		 4270#ifdef BSD_SETPGRP
4271 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
a0d0e21e 4272#else
146174a9
CB		 4273 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4274 || (pid != 0 && pid != PerlProc_getpid()))
4275 {
4276 DIE(aTHX_ "setpgrp can't take arguments");
4277 }
a0d0e21e
LW		 4278 SETi( setpgrp() >= 0 );
4279#endif /* USE_BSDPGRP */
4280 RETURN;
4281#else
cea2e8a9 4282 DIE(aTHX_ PL_no_func, "setpgrp()");
a0d0e21e
LW		 4283#endif
4284}
4285
4286PP(pp_getpriority)
4287{
a0d0e21e 4288#ifdef HAS_GETPRIORITY
9cad6237 4289 dSP; dTARGET;
d05c1ba0
JH		 4290 int who = POPi;
4291 int which = TOPi;
a0d0e21e
LW		 4292 SETi( getpriority(which, who) );
4293 RETURN;
4294#else
cea2e8a9 4295 DIE(aTHX_ PL_no_func, "getpriority()");
a0d0e21e
LW		 4296#endif
4297}
4298
4299PP(pp_setpriority)
4300{
a0d0e21e 4301#ifdef HAS_SETPRIORITY
9cad6237 4302 dSP; dTARGET;
d05c1ba0
JH		 4303 int niceval = POPi;
4304 int who = POPi;
4305 int which = TOPi;
a0d0e21e
LW		 4306 TAINT_PROPER("setpriority");
4307 SETi( setpriority(which, who, niceval) >= 0 );
4308 RETURN;
4309#else
cea2e8a9 4310 DIE(aTHX_ PL_no_func, "setpriority()");
a0d0e21e
LW		 4311#endif
4312}
4313
4314/* Time calls. */
4315
4316PP(pp_time)
4317{
39644a26 4318 dSP; dTARGET;
cbdc8872 4319#ifdef BIG_TIME
4320 XPUSHn( time(Null(Time_t*)) );
4321#else
a0d0e21e 4322 XPUSHi( time(Null(Time_t*)) );
cbdc8872 4323#endif
a0d0e21e
LW		 4324 RETURN;
4325}
4326
a0d0e21e
LW		 4327PP(pp_tms)
4328{
9cad6237 4329#ifdef HAS_TIMES
39644a26 4330 dSP;
a0d0e21e 4331 EXTEND(SP, 4);
a0d0e21e 4332#ifndef VMS
3280af22 4333 (void)PerlProc_times(&PL_timesbuf);
a0d0e21e 4334#else
6b88bc9c 4335 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
76e3520e
GS		 4336 /* struct tms, though same data */
4337 /* is returned. */
a0d0e21e
LW		 4338#endif
4339
5311654c 4340 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick)));
a0d0e21e 4341 if (GIMME == G_ARRAY) {
5311654c
JH		 4342 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick)));
4343 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick)));
4344 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick)));
a0d0e21e
LW		 4345 }
4346 RETURN;
9cad6237
JH		 4347#else
4348 DIE(aTHX_ "times not implemented");
55497cff 4349#endif /* HAS_TIMES */
a0d0e21e
LW		 4350}
4351
4352PP(pp_localtime)
4353{
cea2e8a9 4354 return pp_gmtime();
a0d0e21e
LW		 4355}
4356
4357PP(pp_gmtime)
4358{
39644a26 4359 dSP;
a0d0e21e
LW		 4360 Time_t when;
4361 struct tm *tmbuf;
4362 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4363 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4364 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4365
4366 if (MAXARG < 1)
4367 (void)time(&when);
4368 else
cbdc8872 4369#ifdef BIG_TIME
4370 when = (Time_t)SvNVx(POPs);
4371#else
a0d0e21e 4372 when = (Time_t)SvIVx(POPs);
cbdc8872 4373#endif
a0d0e21e 4374
533c011a 4375 if (PL_op->op_type == OP_LOCALTIME)
a0d0e21e
LW		 4376 tmbuf = localtime(&when);
4377 else
4378 tmbuf = gmtime(&when);
4379
a0d0e21e 4380 if (GIMME != G_ARRAY) {
46fc3d4c 4381 SV *tsv;
9a5ff6d9
AB		 4382 EXTEND(SP, 1);
4383 EXTEND_MORTAL(1);
a0d0e21e
LW		 4384 if (!tmbuf)
4385 RETPUSHUNDEF;
be28567c 4386 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
f5a29b03
RB		 4387 dayname[tmbuf->tm_wday],
4388 monname[tmbuf->tm_mon],
be28567c
GS		 4389 tmbuf->tm_mday,
4390 tmbuf->tm_hour,
4391 tmbuf->tm_min,
4392 tmbuf->tm_sec,
4393 tmbuf->tm_year + 1900);
46fc3d4c 4394 PUSHs(sv_2mortal(tsv));
a0d0e21e
LW		 4395 }
4396 else if (tmbuf) {
9a5ff6d9
AB		 4397 EXTEND(SP, 9);
4398 EXTEND_MORTAL(9);
4399 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
c6419e06
JH		 4400 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4401 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4402 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4403 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4404 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4405 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4406 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4407 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
a0d0e21e
LW		 4408 }
4409 RETURN;
4410}
4411
4412PP(pp_alarm)
4413{
9cad6237 4414#ifdef HAS_ALARM
39644a26 4415 dSP; dTARGET;
a0d0e21e 4416 int anum;
a0d0e21e
LW		 4417 anum = POPi;
4418 anum = alarm((unsigned int)anum);
4419 EXTEND(SP, 1);
4420 if (anum < 0)
4421 RETPUSHUNDEF;
c6419e06 4422 PUSHi(anum);
a0d0e21e
LW		 4423 RETURN;
4424#else
0322a713 4425 DIE(aTHX_ PL_no_func, "alarm");
a0d0e21e
LW		 4426#endif
4427}
4428
4429PP(pp_sleep)
4430{
39644a26 4431 dSP; dTARGET;
a0d0e21e
LW		 4432 I32 duration;
4433 Time_t lasttime;
4434 Time_t when;
4435
4436 (void)time(&lasttime);
4437 if (MAXARG < 1)
76e3520e 4438 PerlProc_pause();
a0d0e21e
LW		 4439 else {
4440 duration = POPi;
76e3520e 4441 PerlProc_sleep((unsigned int)duration);
a0d0e21e
LW		 4442 }
4443 (void)time(&when);
4444 XPUSHi(when - lasttime);
4445 RETURN;
4446}
4447
4448/* Shared memory. */
4449
4450PP(pp_shmget)
4451{
cea2e8a9 4452 return pp_semget();
a0d0e21e
LW		 4453}
4454
4455PP(pp_shmctl)
4456{
cea2e8a9 4457 return pp_semctl();
a0d0e21e
LW		 4458}
4459
4460PP(pp_shmread)
4461{
cea2e8a9 4462 return pp_shmwrite();
a0d0e21e
LW		 4463}
4464
4465PP(pp_shmwrite)
4466{
4467#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4468 dSP; dMARK; dTARGET;
533c011a 4469 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
a0d0e21e
LW		 4470 SP = MARK;
4471 PUSHi(value);
4472 RETURN;
4473#else
cea2e8a9 4474 return pp_semget();
a0d0e21e
LW		 4475#endif
4476}
4477
4478/* Message passing. */
4479
4480PP(pp_msgget)
4481{
cea2e8a9 4482 return pp_semget();
a0d0e21e
LW		 4483}
4484
4485PP(pp_msgctl)
4486{
cea2e8a9 4487 return pp_semctl();
a0d0e21e
LW		 4488}
4489
4490PP(pp_msgsnd)
4491{
4492#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4493 dSP; dMARK; dTARGET;
a0d0e21e
LW		 4494 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4495 SP = MARK;
4496 PUSHi(value);
4497 RETURN;
4498#else
cea2e8a9 4499 return pp_semget();
a0d0e21e
LW		 4500#endif
4501}
4502
4503PP(pp_msgrcv)
4504{
4505#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4506 dSP; dMARK; dTARGET;
a0d0e21e
LW		 4507 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4508 SP = MARK;
4509 PUSHi(value);
4510 RETURN;
4511#else
cea2e8a9 4512 return pp_semget();
a0d0e21e
LW		 4513#endif
4514}
4515
4516/* Semaphores. */
4517
4518PP(pp_semget)
4519{
4520#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4521 dSP; dMARK; dTARGET;
533c011a 4522 int anum = do_ipcget(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 4523 SP = MARK;
4524 if (anum == -1)
4525 RETPUSHUNDEF;
4526 PUSHi(anum);
4527 RETURN;
4528#else
cea2e8a9 4529 DIE(aTHX_ "System V IPC is not implemented on this machine");
a0d0e21e
LW		 4530#endif
4531}
4532
4533PP(pp_semctl)
4534{
4535#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4536 dSP; dMARK; dTARGET;
533c011a 4537 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 4538 SP = MARK;
4539 if (anum == -1)
4540 RETSETUNDEF;
4541 if (anum != 0) {
4542 PUSHi(anum);
4543 }
4544 else {
8903cb82 4545 PUSHp(zero_but_true, ZBTLEN);
a0d0e21e
LW		 4546 }
4547 RETURN;
4548#else
cea2e8a9 4549 return pp_semget();
a0d0e21e
LW		 4550#endif
4551}
4552
4553PP(pp_semop)
4554{
4555#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4556 dSP; dMARK; dTARGET;
a0d0e21e
LW		 4557 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4558 SP = MARK;
4559 PUSHi(value);
4560 RETURN;
4561#else
cea2e8a9 4562 return pp_semget();
a0d0e21e
LW		 4563#endif
4564}
4565
4566/* Get system info. */
4567
4568PP(pp_ghbyname)
4569{
693762b4 4570#ifdef HAS_GETHOSTBYNAME
cea2e8a9 4571 return pp_ghostent();
a0d0e21e 4572#else
cea2e8a9 4573 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
a0d0e21e
LW		 4574#endif
4575}
4576
4577PP(pp_ghbyaddr)
4578{
693762b4 4579#ifdef HAS_GETHOSTBYADDR
cea2e8a9 4580 return pp_ghostent();
a0d0e21e 4581#else
cea2e8a9 4582 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
a0d0e21e
LW		 4583#endif
4584}
4585
4586PP(pp_ghostent)
4587{
693762b4 4588#if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
9cad6237 4589 dSP;
533c011a 4590 I32 which = PL_op->op_type;
a0d0e21e
LW		 4591 register char **elem;
4592 register SV *sv;
dc45a647 4593#ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4594 struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4595 struct hostent *gethostbyname(Netdb_name_t);
4596 struct hostent *gethostent(void);
a0d0e21e
LW		 4597#endif
4598 struct hostent *hent;
4599 unsigned long len;
2d8e6c8d 4600 STRLEN n_a;
a0d0e21e
LW		 4601
4602 EXTEND(SP, 10);
edd309b7 4603 if (which == OP_GHBYNAME) {
dc45a647 4604#ifdef HAS_GETHOSTBYNAME
edd309b7
JH		 4605 char* name = POPpbytex;
4606 hent = PerlSock_gethostbyname(name);
dc45a647 4607#else
cea2e8a9 4608 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
dc45a647 4609#endif
edd309b7 4610 }
a0d0e21e 4611 else if (which == OP_GHBYADDR) {
dc45a647 4612#ifdef HAS_GETHOSTBYADDR
a0d0e21e 4613 int addrtype = POPi;
748a9306 4614 SV *addrsv = POPs;
a0d0e21e 4615 STRLEN addrlen;
595ae481 4616 Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
a0d0e21e 4617
4599a1de 4618 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
dc45a647 4619#else
cea2e8a9 4620 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
dc45a647 4621#endif
a0d0e21e
LW		 4622 }
4623 else
4624#ifdef HAS_GETHOSTENT
6ad3d225 4625 hent = PerlSock_gethostent();
a0d0e21e 4626#else
cea2e8a9 4627 DIE(aTHX_ PL_no_sock_func, "gethostent");
a0d0e21e
LW		 4628#endif
4629
4630#ifdef HOST_NOT_FOUND
10bc17b6
JH		 4631 if (!hent) {
4632#ifdef USE_REENTRANT_API
4633# ifdef USE_GETHOSTENT_ERRNO
4634 h_errno = PL_reentrant_buffer->_gethostent_errno;
4635# endif
4636#endif
4637 STATUS_NATIVE_SET(h_errno);
4638 }
a0d0e21e
LW		 4639#endif
4640
4641 if (GIMME != G_ARRAY) {
4642 PUSHs(sv = sv_newmortal());
4643 if (hent) {
4644 if (which == OP_GHBYNAME) {
fd0af264 4645 if (hent->h_addr)
4646 sv_setpvn(sv, hent->h_addr, hent->h_length);
a0d0e21e
LW		 4647 }
4648 else
4649 sv_setpv(sv, (char*)hent->h_name);
4650 }
4651 RETURN;
4652 }
4653
4654 if (hent) {
3280af22 4655 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4656 sv_setpv(sv, (char*)hent->h_name);
3280af22 4657 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 4658 for (elem = hent->h_aliases; elem && *elem; elem++) {
4659 sv_catpv(sv, *elem);
4660 if (elem[1])
4661 sv_catpvn(sv, " ", 1);
4662 }
3280af22 4663 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4664 sv_setiv(sv, (IV)hent->h_addrtype);
3280af22 4665 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4666 len = hent->h_length;
1e422769 4667 sv_setiv(sv, (IV)len);
a0d0e21e
LW		 4668#ifdef h_addr
4669 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3280af22 4670 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 4671 sv_setpvn(sv, *elem, len);
4672 }
4673#else
6b88bc9c 4674 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
fd0af264 4675 if (hent->h_addr)
4676 sv_setpvn(sv, hent->h_addr, len);
a0d0e21e
LW		 4677#endif /* h_addr */
4678 }
4679 RETURN;
4680#else
cea2e8a9 4681 DIE(aTHX_ PL_no_sock_func, "gethostent");
a0d0e21e
LW		 4682#endif
4683}
4684
4685PP(pp_gnbyname)
4686{
693762b4 4687#ifdef HAS_GETNETBYNAME
cea2e8a9 4688 return pp_gnetent();
a0d0e21e 4689#else
cea2e8a9 4690 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
a0d0e21e
LW		 4691#endif
4692}
4693
4694PP(pp_gnbyaddr)
4695{
693762b4 4696#ifdef HAS_GETNETBYADDR
cea2e8a9 4697 return pp_gnetent();
a0d0e21e 4698#else
cea2e8a9 4699 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
a0d0e21e
LW		 4700#endif
4701}
4702
4703PP(pp_gnetent)
4704{
693762b4 4705#if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
9cad6237 4706 dSP;
533c011a 4707 I32 which = PL_op->op_type;
a0d0e21e
LW		 4708 register char **elem;
4709 register SV *sv;
dc45a647 4710#ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4711 struct netent *getnetbyaddr(Netdb_net_t, int);
4712 struct netent *getnetbyname(Netdb_name_t);
4713 struct netent *getnetent(void);
8ac85365 4714#endif
a0d0e21e 4715 struct netent *nent;
2d8e6c8d 4716 STRLEN n_a;
a0d0e21e 4717
edd309b7 4718 if (which == OP_GNBYNAME){
dc45a647 4719#ifdef HAS_GETNETBYNAME
edd309b7
JH		 4720 char *name = POPpbytex;
4721 nent = PerlSock_getnetbyname(name);
dc45a647 4722#else
cea2e8a9 4723 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
dc45a647 4724#endif
edd309b7 4725 }
a0d0e21e 4726 else if (which == OP_GNBYADDR) {
dc45a647 4727#ifdef HAS_GETNETBYADDR
a0d0e21e 4728 int addrtype = POPi;
3bb7c1b4 4729 Netdb_net_t addr = (Netdb_net_t) (U32)POPu;
76e3520e 4730 nent = PerlSock_getnetbyaddr(addr, addrtype);
dc45a647 4731#else
cea2e8a9 4732 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
dc45a647 4733#endif
a0d0e21e
LW		 4734 }
4735 else
dc45a647 4736#ifdef HAS_GETNETENT
76e3520e 4737 nent = PerlSock_getnetent();
dc45a647 4738#else
cea2e8a9 4739 DIE(aTHX_ PL_no_sock_func, "getnetent");
dc45a647 4740#endif
a0d0e21e 4741
10bc17b6
JH		 4742#ifdef HOST_NOT_FOUND
4743 if (!nent) {
4744#ifdef USE_REENTRANT_API
4745# ifdef USE_GETNETENT_ERRNO
4746 h_errno = PL_reentrant_buffer->_getnetent_errno;
4747# endif
4748#endif
4749 STATUS_NATIVE_SET(h_errno);
4750 }
4751#endif
4752
a0d0e21e
LW		 4753 EXTEND(SP, 4);
4754 if (GIMME != G_ARRAY) {
4755 PUSHs(sv = sv_newmortal());
4756 if (nent) {
4757 if (which == OP_GNBYNAME)
1e422769 4758 sv_setiv(sv, (IV)nent->n_net);
a0d0e21e
LW		 4759 else
4760 sv_setpv(sv, nent->n_name);
4761 }
4762 RETURN;
4763 }
4764
4765 if (nent) {
3280af22 4766 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4767 sv_setpv(sv, nent->n_name);
3280af22 4768 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
c90c0ff4 4769 for (elem = nent->n_aliases; elem && *elem; elem++) {
a0d0e21e
LW		 4770 sv_catpv(sv, *elem);
4771 if (elem[1])
4772 sv_catpvn(sv, " ", 1);
4773 }
3280af22 4774 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4775 sv_setiv(sv, (IV)nent->n_addrtype);
3280af22 4776 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4777 sv_setiv(sv, (IV)nent->n_net);
a0d0e21e
LW		 4778 }
4779
4780 RETURN;
4781#else
cea2e8a9 4782 DIE(aTHX_ PL_no_sock_func, "getnetent");
a0d0e21e
LW		 4783#endif
4784}
4785
4786PP(pp_gpbyname)
4787{
693762b4 4788#ifdef HAS_GETPROTOBYNAME
cea2e8a9 4789 return pp_gprotoent();
a0d0e21e 4790#else
cea2e8a9 4791 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
a0d0e21e
LW		 4792#endif
4793}
4794
4795PP(pp_gpbynumber)
4796{
693762b4 4797#ifdef HAS_GETPROTOBYNUMBER
cea2e8a9 4798 return pp_gprotoent();
a0d0e21e 4799#else
cea2e8a9 4800 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
a0d0e21e
LW		 4801#endif
4802}
4803
4804PP(pp_gprotoent)
4805{
693762b4 4806#if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
9cad6237 4807 dSP;
533c011a 4808 I32 which = PL_op->op_type;
a0d0e21e 4809 register char **elem;
301e8125 4810 register SV *sv;
dc45a647 4811#ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4812 struct protoent *getprotobyname(Netdb_name_t);
4813 struct protoent *getprotobynumber(int);
4814 struct protoent *getprotoent(void);
8ac85365 4815#endif
a0d0e21e 4816 struct protoent *pent;
2d8e6c8d 4817 STRLEN n_a;
a0d0e21e 4818
edd309b7 4819 if (which == OP_GPBYNAME) {
e5c9fcd0 4820#ifdef HAS_GETPROTOBYNAME
edd309b7
JH		 4821 char* name = POPpbytex;
4822 pent = PerlSock_getprotobyname(name);
e5c9fcd0 4823#else
cea2e8a9 4824 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
e5c9fcd0 4825#endif
edd309b7
JH		 4826 }
4827 else if (which == OP_GPBYNUMBER) {
e5c9fcd0 4828#ifdef HAS_GETPROTOBYNUMBER
edd309b7
JH		 4829 int number = POPi;
4830 pent = PerlSock_getprotobynumber(number);
e5c9fcd0 4831#else
edd309b7 4832 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
e5c9fcd0 4833#endif
edd309b7 4834 }
a0d0e21e 4835 else
e5c9fcd0 4836#ifdef HAS_GETPROTOENT
6ad3d225 4837 pent = PerlSock_getprotoent();
e5c9fcd0 4838#else
cea2e8a9 4839 DIE(aTHX_ PL_no_sock_func, "getprotoent");
e5c9fcd0 4840#endif
a0d0e21e
LW		 4841
4842 EXTEND(SP, 3);
4843 if (GIMME != G_ARRAY) {
4844 PUSHs(sv = sv_newmortal());
4845 if (pent) {
4846 if (which == OP_GPBYNAME)
1e422769 4847 sv_setiv(sv, (IV)pent->p_proto);
a0d0e21e
LW		 4848 else
4849 sv_setpv(sv, pent->p_name);
4850 }
4851 RETURN;
4852 }
4853
4854 if (pent) {
3280af22 4855 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4856 sv_setpv(sv, pent->p_name);
3280af22 4857 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
c90c0ff4 4858 for (elem = pent->p_aliases; elem && *elem; elem++) {
a0d0e21e
LW		 4859 sv_catpv(sv, *elem);
4860 if (elem[1])
4861 sv_catpvn(sv, " ", 1);
4862 }
3280af22 4863 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4864 sv_setiv(sv, (IV)pent->p_proto);
a0d0e21e
LW		 4865 }
4866
4867 RETURN;
4868#else
cea2e8a9 4869 DIE(aTHX_ PL_no_sock_func, "getprotoent");
a0d0e21e
LW		 4870#endif
4871}
4872
4873PP(pp_gsbyname)
4874{
9ec75305 4875#ifdef HAS_GETSERVBYNAME
cea2e8a9 4876 return pp_gservent();
a0d0e21e 4877#else
cea2e8a9 4878 DIE(aTHX_ PL_no_sock_func, "getservbyname");
a0d0e21e
LW		 4879#endif
4880}
4881
4882PP(pp_gsbyport)
4883{
9ec75305 4884#ifdef HAS_GETSERVBYPORT
cea2e8a9 4885 return pp_gservent();
a0d0e21e 4886#else
cea2e8a9 4887 DIE(aTHX_ PL_no_sock_func, "getservbyport");
a0d0e21e
LW		 4888#endif
4889}
4890
4891PP(pp_gservent)
4892{
693762b4 4893#if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
9cad6237 4894 dSP;
533c011a 4895 I32 which = PL_op->op_type;
a0d0e21e
LW		 4896 register char **elem;
4897 register SV *sv;
dc45a647 4898#ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4899 struct servent *getservbyname(Netdb_name_t, Netdb_name_t);
4900 struct servent *getservbyport(int, Netdb_name_t);
4901 struct servent *getservent(void);
8ac85365 4902#endif
a0d0e21e 4903 struct servent *sent;
2d8e6c8d 4904 STRLEN n_a;
a0d0e21e
LW		 4905
4906 if (which == OP_GSBYNAME) {
dc45a647 4907#ifdef HAS_GETSERVBYNAME
42e0c139
AP		 4908 char *proto = POPpbytex;
4909 char *name = POPpbytex;
a0d0e21e
LW		 4910
4911 if (proto && !*proto)
4912 proto = Nullch;
4913
6ad3d225 4914 sent = PerlSock_getservbyname(name, proto);
dc45a647 4915#else
cea2e8a9 4916 DIE(aTHX_ PL_no_sock_func, "getservbyname");
dc45a647 4917#endif
a0d0e21e
LW		 4918 }
4919 else if (which == OP_GSBYPORT) {
dc45a647 4920#ifdef HAS_GETSERVBYPORT
42e0c139 4921 char *proto = POPpbytex;
eb160463 4922 unsigned short port = (unsigned short)POPu;
a0d0e21e 4923
2b872cca
SR		 4924 if (proto && !*proto)
4925 proto = Nullch;
4926
36477c24 4927#ifdef HAS_HTONS
6ad3d225 4928 port = PerlSock_htons(port);
36477c24 4929#endif
6ad3d225 4930 sent = PerlSock_getservbyport(port, proto);
dc45a647 4931#else
cea2e8a9 4932 DIE(aTHX_ PL_no_sock_func, "getservbyport");
dc45a647 4933#endif
a0d0e21e
LW		 4934 }
4935 else
e5c9fcd0 4936#ifdef HAS_GETSERVENT
6ad3d225 4937 sent = PerlSock_getservent();
e5c9fcd0 4938#else
cea2e8a9 4939 DIE(aTHX_ PL_no_sock_func, "getservent");
e5c9fcd0 4940#endif
a0d0e21e
LW		 4941
4942 EXTEND(SP, 4);
4943 if (GIMME != G_ARRAY) {
4944 PUSHs(sv = sv_newmortal());
4945 if (sent) {
4946 if (which == OP_GSBYNAME) {
4947#ifdef HAS_NTOHS
6ad3d225 4948 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
a0d0e21e 4949#else
1e422769 4950 sv_setiv(sv, (IV)(sent->s_port));
a0d0e21e
LW		 4951#endif
4952 }
4953 else
4954 sv_setpv(sv, sent->s_name);
4955 }
4956 RETURN;
4957 }
4958
4959 if (sent) {
3280af22 4960 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4961 sv_setpv(sv, sent->s_name);
3280af22 4962 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
c90c0ff4 4963 for (elem = sent->s_aliases; elem && *elem; elem++) {
a0d0e21e
LW		 4964 sv_catpv(sv, *elem);
4965 if (elem[1])
4966 sv_catpvn(sv, " ", 1);
4967 }
3280af22 4968 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4969#ifdef HAS_NTOHS
76e3520e 4970 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
a0d0e21e 4971#else
1e422769 4972 sv_setiv(sv, (IV)(sent->s_port));
a0d0e21e 4973#endif
3280af22 4974 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 4975 sv_setpv(sv, sent->s_proto);
4976 }
4977
4978 RETURN;
4979#else
cea2e8a9 4980 DIE(aTHX_ PL_no_sock_func, "getservent");
a0d0e21e
LW		 4981#endif
4982}
4983
4984PP(pp_shostent)
4985{
693762b4 4986#ifdef HAS_SETHOSTENT
9cad6237 4987 dSP;
76e3520e 4988 PerlSock_sethostent(TOPi);
a0d0e21e
LW		 4989 RETSETYES;
4990#else
cea2e8a9 4991 DIE(aTHX_ PL_no_sock_func, "sethostent");
a0d0e21e
LW		 4992#endif
4993}
4994
4995PP(pp_snetent)
4996{
693762b4 4997#ifdef HAS_SETNETENT
9cad6237 4998 dSP;
76e3520e 4999 PerlSock_setnetent(TOPi);
a0d0e21e
LW		 5000 RETSETYES;
5001#else
cea2e8a9 5002 DIE(aTHX_ PL_no_sock_func, "setnetent");
a0d0e21e
LW		 5003#endif
5004}
5005
5006PP(pp_sprotoent)
5007{
693762b4 5008#ifdef HAS_SETPROTOENT
9cad6237 5009 dSP;
76e3520e 5010 PerlSock_setprotoent(TOPi);
a0d0e21e
LW		 5011 RETSETYES;
5012#else
cea2e8a9 5013 DIE(aTHX_ PL_no_sock_func, "setprotoent");
a0d0e21e
LW		 5014#endif
5015}
5016
5017PP(pp_sservent)
5018{
693762b4 5019#ifdef HAS_SETSERVENT
9cad6237 5020 dSP;
76e3520e 5021 PerlSock_setservent(TOPi);
a0d0e21e
LW		 5022 RETSETYES;
5023#else
cea2e8a9 5024 DIE(aTHX_ PL_no_sock_func, "setservent");
a0d0e21e
LW		 5025#endif
5026}
5027
5028PP(pp_ehostent)
5029{
693762b4 5030#ifdef HAS_ENDHOSTENT
9cad6237 5031 dSP;
76e3520e 5032 PerlSock_endhostent();
924508f0 5033 EXTEND(SP,1);
a0d0e21e
LW		 5034 RETPUSHYES;
5035#else
cea2e8a9 5036 DIE(aTHX_ PL_no_sock_func, "endhostent");
a0d0e21e
LW		 5037#endif
5038}
5039
5040PP(pp_enetent)
5041{
693762b4 5042#ifdef HAS_ENDNETENT
9cad6237 5043 dSP;
76e3520e 5044 PerlSock_endnetent();
924508f0 5045 EXTEND(SP,1);
a0d0e21e
LW		 5046 RETPUSHYES;
5047#else
cea2e8a9 5048 DIE(aTHX_ PL_no_sock_func, "endnetent");
a0d0e21e
LW		 5049#endif
5050}
5051
5052PP(pp_eprotoent)
5053{
693762b4 5054#ifdef HAS_ENDPROTOENT
9cad6237 5055 dSP;
76e3520e 5056 PerlSock_endprotoent();
924508f0 5057 EXTEND(SP,1);
a0d0e21e
LW		 5058 RETPUSHYES;
5059#else
cea2e8a9 5060 DIE(aTHX_ PL_no_sock_func, "endprotoent");
a0d0e21e
LW		 5061#endif
5062}
5063
5064PP(pp_eservent)
5065{
693762b4 5066#ifdef HAS_ENDSERVENT
9cad6237 5067 dSP;
76e3520e 5068 PerlSock_endservent();
924508f0 5069 EXTEND(SP,1);
a0d0e21e
LW		 5070 RETPUSHYES;
5071#else
cea2e8a9 5072 DIE(aTHX_ PL_no_sock_func, "endservent");
a0d0e21e
LW		 5073#endif
5074}
5075
5076PP(pp_gpwnam)
5077{
5078#ifdef HAS_PASSWD
cea2e8a9 5079 return pp_gpwent();
a0d0e21e 5080#else
cea2e8a9 5081 DIE(aTHX_ PL_no_func, "getpwnam");
a0d0e21e
LW		 5082#endif
5083}
5084
5085PP(pp_gpwuid)
5086{
5087#ifdef HAS_PASSWD
cea2e8a9 5088 return pp_gpwent();
a0d0e21e 5089#else
cea2e8a9 5090 DIE(aTHX_ PL_no_func, "getpwuid");
a0d0e21e
LW		 5091#endif
5092}
5093
5094PP(pp_gpwent)
5095{
0994c4d0 5096#ifdef HAS_PASSWD
9cad6237 5097 dSP;
533c011a 5098 I32 which = PL_op->op_type;
a0d0e21e 5099 register SV *sv;
2d8e6c8d 5100 STRLEN n_a;
e3aefe8d 5101 struct passwd *pwent = NULL;
301e8125 5102 /*
bcf53261
JH		 5103 * We currently support only the SysV getsp* shadow password interface.
5104 * The interface is declared in <shadow.h> and often one needs to link
5105 * with -lsecurity or some such.
5106 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
5107 * (and SCO?)
5108 *
5109 * AIX getpwnam() is clever enough to return the encrypted password
5110 * only if the caller (euid?) is root.
5111 *
5112 * There are at least two other shadow password APIs. Many platforms
5113 * seem to contain more than one interface for accessing the shadow
5114 * password databases, possibly for compatibility reasons.
3813c136 5115 * The getsp*() is by far he simplest one, the other two interfaces
bcf53261
JH		 5116 * are much more complicated, but also very similar to each other.
5117 *
5118 * <sys/types.h>
5119 * <sys/security.h>
5120 * <prot.h>
5121 * struct pr_passwd *getprpw*();
5122 * The password is in
3813c136
JH		 5123 * char getprpw*(...).ufld.fd_encrypt[]
5124 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
bcf53261
JH		 5125 *
5126 * <sys/types.h>
5127 * <sys/security.h>
5128 * <prot.h>
5129 * struct es_passwd *getespw*();
5130 * The password is in
5131 * char *(getespw*(...).ufld.fd_encrypt)
3813c136 5132 * Mention HAS_GETESPWNAM here so that Configure probes for it.
bcf53261 5133 *
3813c136 5134 * Mention I_PROT here so that Configure probes for it.
bcf53261
JH		 5135 *
5136 * In HP-UX for getprpw*() the manual page claims that one should include
5137 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5138 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5139 * and pp_sys.c already includes <shadow.h> if there is such.
3813c136
JH		 5140 *
5141 * Note that <sys/security.h> is already probed for, but currently
5142 * it is only included in special cases.
301e8125 5143 *
bcf53261
JH		 5144 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5145 * be preferred interface, even though also the getprpw*() interface
5146 * is available) one needs to link with -lsecurity -ldb -laud -lm.
3813c136
JH		 5147 * One also needs to call set_auth_parameters() in main() before
5148 * doing anything else, whether one is using getespw*() or getprpw*().
5149 *
5150 * Note that accessing the shadow databases can be magnitudes
5151 * slower than accessing the standard databases.
bcf53261
JH		 5152 *
5153 * --jhi
5154 */
a0d0e21e 5155
e3aefe8d
JH		 5156 switch (which) {
5157 case OP_GPWNAM:
edd309b7
JH		 5158 {
5159 char* name = POPpbytex;
5160 pwent = getpwnam(name);
5161 }
5162 break;
e3aefe8d 5163 case OP_GPWUID:
edd309b7
JH		 5164 {
5165 Uid_t uid = POPi;
5166 pwent = getpwuid(uid);
5167 }
e3aefe8d
JH		 5168 break;
5169 case OP_GPWENT:
1883634f 5170# ifdef HAS_GETPWENT
e3aefe8d 5171 pwent = getpwent();
faea9016
IRC		 5172#ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */
5173 if (pwent) pwent = getpwnam(pwent->pw_name);
5174#endif
1883634f 5175# else
a45d1c96 5176 DIE(aTHX_ PL_no_func, "getpwent");
1883634f 5177# endif
e3aefe8d
JH		 5178 break;
5179 }
8c0bfa08 5180
a0d0e21e
LW		 5181 EXTEND(SP, 10);
5182 if (GIMME != G_ARRAY) {
5183 PUSHs(sv = sv_newmortal());
5184 if (pwent) {
5185 if (which == OP_GPWNAM)
1883634f 5186# if Uid_t_sign <= 0
1e422769 5187 sv_setiv(sv, (IV)pwent->pw_uid);
1883634f 5188# else
23dcd6c8 5189 sv_setuv(sv, (UV)pwent->pw_uid);
1883634f 5190# endif
a0d0e21e
LW		 5191 else
5192 sv_setpv(sv, pwent->pw_name);
5193 }
5194 RETURN;
5195 }
5196
5197 if (pwent) {
3280af22 5198 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5199 sv_setpv(sv, pwent->pw_name);
6ee623d5 5200
3280af22 5201 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3813c136
JH		 5202 SvPOK_off(sv);
5203 /* If we have getspnam(), we try to dig up the shadow
5204 * password. If we are underprivileged, the shadow
5205 * interface will set the errno to EACCES or similar,
5206 * and return a null pointer. If this happens, we will
5207 * use the dummy password (usually "*" or "x") from the
5208 * standard password database.
5209 *
5210 * In theory we could skip the shadow call completely
5211 * if euid != 0 but in practice we cannot know which
5212 * security measures are guarding the shadow databases
5213 * on a random platform.
5214 *
5215 * Resist the urge to use additional shadow interfaces.
5216 * Divert the urge to writing an extension instead.
5217 *
5218 * --jhi */
e3aefe8d 5219# ifdef HAS_GETSPNAM
3813c136
JH		 5220 {
5221 struct spwd *spwent;
5222 int saverrno; /* Save and restore errno so that
5223 * underprivileged attempts seem
5224 * to have never made the unsccessful
5225 * attempt to retrieve the shadow password. */
5226
5227 saverrno = errno;
5228 spwent = getspnam(pwent->pw_name);
5229 errno = saverrno;
5230 if (spwent && spwent->sp_pwdp)
5231 sv_setpv(sv, spwent->sp_pwdp);
5232 }
f1066039 5233# endif
e020c87d 5234# ifdef PWPASSWD
3813c136
JH		 5235 if (!SvPOK(sv)) /* Use the standard password, then. */
5236 sv_setpv(sv, pwent->pw_passwd);
e020c87d 5237# endif
3813c136 5238
1883634f 5239# ifndef INCOMPLETE_TAINTS
3813c136
JH		 5240 /* passwd is tainted because user himself can diddle with it.
5241 * admittedly not much and in a very limited way, but nevertheless. */
2959b6e3 5242 SvTAINTED_on(sv);
1883634f 5243# endif
6ee623d5 5244
3280af22 5245 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5246# if Uid_t_sign <= 0
1e422769 5247 sv_setiv(sv, (IV)pwent->pw_uid);
1883634f 5248# else
23dcd6c8 5249 sv_setuv(sv, (UV)pwent->pw_uid);
1883634f 5250# endif
6ee623d5 5251
3280af22 5252 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5253# if Uid_t_sign <= 0
1e422769 5254 sv_setiv(sv, (IV)pwent->pw_gid);
1883634f 5255# else
23dcd6c8 5256 sv_setuv(sv, (UV)pwent->pw_gid);
1883634f 5257# endif
3813c136
JH		 5258 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5259 * because of the poor interface of the Perl getpw*(),
5260 * not because there's some standard/convention saying so.
5261 * A better interface would have been to return a hash,
5262 * but we are accursed by our history, alas. --jhi. */
3280af22 5263 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5264# ifdef PWCHANGE
1e422769 5265 sv_setiv(sv, (IV)pwent->pw_change);
6ee623d5 5266# else
1883634f
JH		 5267# ifdef PWQUOTA
5268 sv_setiv(sv, (IV)pwent->pw_quota);
5269# else
a1757be1 5270# ifdef PWAGE
a0d0e21e 5271 sv_setpv(sv, pwent->pw_age);
a1757be1 5272# endif
6ee623d5
GS		 5273# endif
5274# endif
6ee623d5 5275
3813c136
JH		 5276 /* pw_class and pw_comment are mutually exclusive--.
5277 * see the above note for pw_change, pw_quota, and pw_age. */
3280af22 5278 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5279# ifdef PWCLASS
a0d0e21e 5280 sv_setpv(sv, pwent->pw_class);
1883634f
JH		 5281# else
5282# ifdef PWCOMMENT
a0d0e21e 5283 sv_setpv(sv, pwent->pw_comment);
1883634f 5284# endif
6ee623d5 5285# endif
6ee623d5 5286
3280af22 5287 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5288# ifdef PWGECOS
a0d0e21e 5289 sv_setpv(sv, pwent->pw_gecos);
1883634f
JH		 5290# endif
5291# ifndef INCOMPLETE_TAINTS
d2719217 5292 /* pw_gecos is tainted because user himself can diddle with it. */
fb73857a 5293 SvTAINTED_on(sv);
1883634f 5294# endif
6ee623d5 5295
3280af22 5296 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5297 sv_setpv(sv, pwent->pw_dir);
6ee623d5 5298
3280af22 5299 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5300 sv_setpv(sv, pwent->pw_shell);
1883634f 5301# ifndef INCOMPLETE_TAINTS
4602f195
JH		 5302 /* pw_shell is tainted because user himself can diddle with it. */
5303 SvTAINTED_on(sv);
1883634f 5304# endif
6ee623d5 5305
1883634f 5306# ifdef PWEXPIRE
6b88bc9c 5307 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 5308 sv_setiv(sv, (IV)pwent->pw_expire);
1883634f 5309# endif
a0d0e21e
LW		 5310 }
5311 RETURN;
5312#else
cea2e8a9 5313 DIE(aTHX_ PL_no_func, "getpwent");
a0d0e21e
LW		 5314#endif
5315}
5316
5317PP(pp_spwent)
5318{
d493b042 5319#if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
9cad6237 5320 dSP;
a0d0e21e
LW		 5321 setpwent();
5322 RETPUSHYES;
5323#else
cea2e8a9 5324 DIE(aTHX_ PL_no_func, "setpwent");
a0d0e21e
LW		 5325#endif
5326}
5327
5328PP(pp_epwent)
5329{
28e8609d 5330#if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
9cad6237 5331 dSP;
a0d0e21e
LW		 5332 endpwent();
5333 RETPUSHYES;
5334#else
cea2e8a9 5335 DIE(aTHX_ PL_no_func, "endpwent");
a0d0e21e
LW		 5336#endif
5337}
5338
5339PP(pp_ggrnam)
5340{
5341#ifdef HAS_GROUP
cea2e8a9 5342 return pp_ggrent();
a0d0e21e 5343#else
cea2e8a9 5344 DIE(aTHX_ PL_no_func, "getgrnam");
a0d0e21e
LW		 5345#endif
5346}
5347
5348PP(pp_ggrgid)
5349{
5350#ifdef HAS_GROUP
cea2e8a9 5351 return pp_ggrent();
a0d0e21e 5352#else
cea2e8a9 5353 DIE(aTHX_ PL_no_func, "getgrgid");
a0d0e21e
LW		 5354#endif
5355}
5356
5357PP(pp_ggrent)
5358{
0994c4d0 5359#ifdef HAS_GROUP
9cad6237 5360 dSP;
533c011a 5361 I32 which = PL_op->op_type;
a0d0e21e
LW		 5362 register char **elem;
5363 register SV *sv;
5364 struct group *grent;
2d8e6c8d 5365 STRLEN n_a;
a0d0e21e 5366
edd309b7
JH		 5367 if (which == OP_GGRNAM) {
5368 char* name = POPpbytex;
5369 grent = (struct group *)getgrnam(name);
5370 }
5371 else if (which == OP_GGRGID) {
5372 Gid_t gid = POPi;
5373 grent = (struct group *)getgrgid(gid);
5374 }
a0d0e21e 5375 else
0994c4d0 5376#ifdef HAS_GETGRENT
a0d0e21e 5377 grent = (struct group *)getgrent();
0994c4d0
JH		 5378#else
5379 DIE(aTHX_ PL_no_func, "getgrent");
5380#endif
a0d0e21e
LW		 5381
5382 EXTEND(SP, 4);
5383 if (GIMME != G_ARRAY) {
5384 PUSHs(sv = sv_newmortal());
5385 if (grent) {
5386 if (which == OP_GGRNAM)
1e422769 5387 sv_setiv(sv, (IV)grent->gr_gid);
a0d0e21e
LW		 5388 else
5389 sv_setpv(sv, grent->gr_name);
5390 }
5391 RETURN;
5392 }
5393
5394 if (grent) {
3280af22 5395 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5396 sv_setpv(sv, grent->gr_name);
28e8609d 5397
3280af22 5398 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
28e8609d 5399#ifdef GRPASSWD
a0d0e21e 5400 sv_setpv(sv, grent->gr_passwd);
28e8609d
JH		 5401#endif
5402
3280af22 5403 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 5404 sv_setiv(sv, (IV)grent->gr_gid);
28e8609d 5405
5b56e7c5 5406#if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API))
3280af22 5407 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3d7e8424
JH		 5408 /* In UNICOS/mk (_CRAYMPP) the multithreading
5409 * versions (getgrnam_r, getgrgid_r)
5410 * seem to return an illegal pointer
5411 * as the group members list, gr_mem.
5412 * getgrent() doesn't even have a _r version
5413 * but the gr_mem is poisonous anyway.
5414 * So yes, you cannot get the list of group
5415 * members if building multithreaded in UNICOS/mk. */
c90c0ff4 5416 for (elem = grent->gr_mem; elem && *elem; elem++) {
a0d0e21e
LW		 5417 sv_catpv(sv, *elem);
5418 if (elem[1])
5419 sv_catpvn(sv, " ", 1);
5420 }
3d7e8424 5421#endif
a0d0e21e
LW		 5422 }
5423
5424 RETURN;
5425#else
cea2e8a9 5426 DIE(aTHX_ PL_no_func, "getgrent");
a0d0e21e
LW		 5427#endif
5428}
5429
5430PP(pp_sgrent)
5431{
28e8609d 5432#if defined(HAS_GROUP) && defined(HAS_SETGRENT)
9cad6237 5433 dSP;
a0d0e21e
LW		 5434 setgrent();
5435 RETPUSHYES;
5436#else
cea2e8a9 5437 DIE(aTHX_ PL_no_func, "setgrent");
a0d0e21e
LW		 5438#endif
5439}
5440
5441PP(pp_egrent)
5442{
28e8609d 5443#if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
9cad6237 5444 dSP;
a0d0e21e
LW		 5445 endgrent();
5446 RETPUSHYES;
5447#else
cea2e8a9 5448 DIE(aTHX_ PL_no_func, "endgrent");
a0d0e21e
LW		 5449#endif
5450}
5451
5452PP(pp_getlogin)
5453{
a0d0e21e 5454#ifdef HAS_GETLOGIN
9cad6237 5455 dSP; dTARGET;
a0d0e21e
LW		 5456 char *tmps;
5457 EXTEND(SP, 1);
76e3520e 5458 if (!(tmps = PerlProc_getlogin()))
a0d0e21e
LW		 5459 RETPUSHUNDEF;
5460 PUSHp(tmps, strlen(tmps));
5461 RETURN;
5462#else
cea2e8a9 5463 DIE(aTHX_ PL_no_func, "getlogin");
a0d0e21e
LW		 5464#endif
5465}
5466
5467/* Miscellaneous. */
5468
5469PP(pp_syscall)
5470{
d2719217 5471#ifdef HAS_SYSCALL
39644a26 5472 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e
LW		 5473 register I32 items = SP - MARK;
5474 unsigned long a[20];
5475 register I32 i = 0;
5476 I32 retval = -1;
2d8e6c8d 5477 STRLEN n_a;
a0d0e21e 5478
3280af22 5479 if (PL_tainting) {
a0d0e21e 5480 while (++MARK <= SP) {
bbce6d69 5481 if (SvTAINTED(*MARK)) {
5482 TAINT;
5483 break;
5484 }
a0d0e21e
LW		 5485 }
5486 MARK = ORIGMARK;
5487 TAINT_PROPER("syscall");
5488 }
5489
5490 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5491 * or where sizeof(long) != sizeof(char*). But such machines will
5492 * not likely have syscall implemented either, so who cares?
5493 */
5494 while (++MARK <= SP) {
5495 if (SvNIOK(*MARK) || !i)
5496 a[i++] = SvIV(*MARK);
3280af22 5497 else if (*MARK == &PL_sv_undef)
748a9306 5498 a[i++] = 0;
301e8125 5499 else
2d8e6c8d 5500 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
a0d0e21e
LW		 5501 if (i > 15)
5502 break;
5503 }
5504 switch (items) {
5505 default:
cea2e8a9 5506 DIE(aTHX_ "Too many args to syscall");
a0d0e21e 5507 case 0:
cea2e8a9 5508 DIE(aTHX_ "Too few args to syscall");
a0d0e21e
LW		 5509 case 1:
5510 retval = syscall(a[0]);
5511 break;
5512 case 2:
5513 retval = syscall(a[0],a[1]);
5514 break;
5515 case 3:
5516 retval = syscall(a[0],a[1],a[2]);
5517 break;
5518 case 4:
5519 retval = syscall(a[0],a[1],a[2],a[3]);
5520 break;
5521 case 5:
5522 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5523 break;
5524 case 6:
5525 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5526 break;
5527 case 7:
5528 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5529 break;
5530 case 8:
5531 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5532 break;
5533#ifdef atarist
5534 case 9:
5535 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5536 break;
5537 case 10:
5538 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5539 break;
5540 case 11:
5541 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5542 a[10]);
5543 break;
5544 case 12:
5545 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5546 a[10],a[11]);
5547 break;
5548 case 13:
5549 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5550 a[10],a[11],a[12]);
5551 break;
5552 case 14:
5553 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5554 a[10],a[11],a[12],a[13]);
5555 break;
5556#endif /* atarist */
5557 }
5558 SP = ORIGMARK;
5559 PUSHi(retval);
5560 RETURN;
5561#else
cea2e8a9 5562 DIE(aTHX_ PL_no_func, "syscall");
a0d0e21e
LW		 5563#endif
5564}
5565
ff68c719 5566#ifdef FCNTL_EMULATE_FLOCK
301e8125 5567
ff68c719 5568/* XXX Emulate flock() with fcntl().
5569 What's really needed is a good file locking module.
5570*/
5571
cea2e8a9
GS		 5572static int
5573fcntl_emulate_flock(int fd, int operation)
ff68c719 5574{
5575 struct flock flock;
301e8125 5576
ff68c719 5577 switch (operation & ~LOCK_NB) {
5578 case LOCK_SH:
5579 flock.l_type = F_RDLCK;
5580 break;
5581 case LOCK_EX:
5582 flock.l_type = F_WRLCK;
5583 break;
5584 case LOCK_UN:
5585 flock.l_type = F_UNLCK;
5586 break;
5587 default:
5588 errno = EINVAL;
5589 return -1;
5590 }
5591 flock.l_whence = SEEK_SET;
d9b3e12d 5592 flock.l_start = flock.l_len = (Off_t)0;
301e8125 5593
ff68c719 5594 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5595}
5596
5597#endif /* FCNTL_EMULATE_FLOCK */
5598
5599#ifdef LOCKF_EMULATE_FLOCK
16d20bd9
AD		 5600
5601/* XXX Emulate flock() with lockf(). This is just to increase
5602 portability of scripts. The calls are not completely
5603 interchangeable. What's really needed is a good file
5604 locking module.
5605*/
5606
76c32331 5607/* The lockf() constants might have been defined in <unistd.h>.
5608 Unfortunately, <unistd.h> causes troubles on some mixed
5609 (BSD/POSIX) systems, such as SunOS 4.1.3.
16d20bd9
AD		 5610
5611 Further, the lockf() constants aren't POSIX, so they might not be
5612 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5613 just stick in the SVID values and be done with it. Sigh.
5614*/
5615
5616# ifndef F_ULOCK
5617# define F_ULOCK 0 /* Unlock a previously locked region */
5618# endif
5619# ifndef F_LOCK
5620# define F_LOCK 1 /* Lock a region for exclusive use */
5621# endif
5622# ifndef F_TLOCK
5623# define F_TLOCK 2 /* Test and lock a region for exclusive use */
5624# endif
5625# ifndef F_TEST
5626# define F_TEST 3 /* Test a region for other processes locks */
5627# endif
5628
cea2e8a9
GS		 5629static int
5630lockf_emulate_flock(int fd, int operation)
16d20bd9
AD		 5631{
5632 int i;
84902520
TB		 5633 int save_errno;
5634 Off_t pos;
5635
5636 /* flock locks entire file so for lockf we need to do the same */
5637 save_errno = errno;
6ad3d225 5638 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
84902520 5639 if (pos > 0) /* is seekable and needs to be repositioned */
6ad3d225 5640 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
08b714dd 5641 pos = -1; /* seek failed, so don't seek back afterwards */
84902520
TB		 5642 errno = save_errno;
5643
16d20bd9
AD		 5644 switch (operation) {
5645
5646 /* LOCK_SH - get a shared lock */
5647 case LOCK_SH:
5648 /* LOCK_EX - get an exclusive lock */
5649 case LOCK_EX:
5650 i = lockf (fd, F_LOCK, 0);
5651 break;
5652
5653 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5654 case LOCK_SH|LOCK_NB:
5655 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5656 case LOCK_EX|LOCK_NB:
5657 i = lockf (fd, F_TLOCK, 0);
5658 if (i == -1)
5659 if ((errno == EAGAIN) || (errno == EACCES))
5660 errno = EWOULDBLOCK;
5661 break;
5662
ff68c719 5663 /* LOCK_UN - unlock (non-blocking is a no-op) */
16d20bd9 5664 case LOCK_UN:
ff68c719 5665 case LOCK_UN|LOCK_NB:
16d20bd9
AD		 5666 i = lockf (fd, F_ULOCK, 0);
5667 break;
5668
5669 /* Default - can't decipher operation */
5670 default:
5671 i = -1;
5672 errno = EINVAL;
5673 break;
5674 }
84902520
TB		 5675
5676 if (pos > 0) /* need to restore position of the handle */
6ad3d225 5677 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
84902520 5678
16d20bd9
AD		 5679 return (i);
5680}
ff68c719 5681
5682#endif /* LOCKF_EMULATE_FLOCK */
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