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patch to speed up Perl's slurp mode
[perl5.git] / pp_sys.c
CommitLineData
a0d0e21e
LW		 1/* pp_sys.c
2 *
be3c0a43 3 * Copyright (c) 1991-2002, 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;
2034
2035 if (PL_op->op_flags & OPf_SPECIAL) {
2036 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
2037
2038 do_ftruncate:
2039 TAINT_PROPER("truncate");
2040 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
2041 result = 0;
2042 else {
2043 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
cbdc8872 2044#ifdef HAS_TRUNCATE
d05c1ba0 2045 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
301e8125 2046#else
d05c1ba0 2047 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
cbdc8872 2048#endif
d05c1ba0
JH		 2049 result = 0;
2050 }
cbdc8872 2051 }
d05c1ba0
JH		 2052 else {
2053 SV *sv = POPs;
2054 char *name;
72f496dc 2055
d05c1ba0
JH		 2056 if (SvTYPE(sv) == SVt_PVGV) {
2057 tmpgv = (GV*)sv; /* *main::FRED for example */
2058 goto do_ftruncate;
2059 }
2060 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2061 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
2062 goto do_ftruncate;
2063 }
1e422769 2064
d05c1ba0
JH		 2065 name = SvPV(sv, n_a);
2066 TAINT_PROPER("truncate");
cbdc8872 2067#ifdef HAS_TRUNCATE
d05c1ba0
JH		 2068 if (truncate(name, len) < 0)
2069 result = 0;
cbdc8872 2070#else
d05c1ba0
JH		 2071 {
2072 int tmpfd;
2073
2074 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
cbdc8872 2075 result = 0;
d05c1ba0
JH		 2076 else {
2077 if (my_chsize(tmpfd, len) < 0)
2078 result = 0;
2079 PerlLIO_close(tmpfd);
2080 }
cbdc8872 2081 }
a0d0e21e 2082#endif
d05c1ba0 2083 }
a0d0e21e 2084
d05c1ba0
JH		 2085 if (result)
2086 RETPUSHYES;
2087 if (!errno)
93189314 2088 SETERRNO(EBADF,RMS_IFI);
d05c1ba0
JH		 2089 RETPUSHUNDEF;
2090 }
a0d0e21e 2091#else
cea2e8a9 2092 DIE(aTHX_ "truncate not implemented");
a0d0e21e
LW		 2093#endif
2094}
2095
2096PP(pp_fcntl)
2097{
cea2e8a9 2098 return pp_ioctl();
a0d0e21e
LW		 2099}
2100
2101PP(pp_ioctl)
2102{
39644a26 2103 dSP; dTARGET;
748a9306 2104 SV *argsv = POPs;
3bb7c1b4 2105 unsigned int func = POPu;
533c011a 2106 int optype = PL_op->op_type;
a0d0e21e 2107 char *s;
324aa91a 2108 IV retval;
a0d0e21e 2109 GV *gv = (GV*)POPs;
c289d2f7 2110 IO *io = gv ? GvIOn(gv) : 0;
a0d0e21e 2111
748a9306 2112 if (!io || !argsv || !IoIFP(io)) {
c289d2f7
JH		 2113 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2114 report_evil_fh(gv, io, PL_op->op_type);
93189314 2115 SETERRNO(EBADF,RMS_IFI); /* well, sort of... */
a0d0e21e
LW		 2116 RETPUSHUNDEF;
2117 }
2118
748a9306 2119 if (SvPOK(argsv) || !SvNIOK(argsv)) {
a0d0e21e 2120 STRLEN len;
324aa91a 2121 STRLEN need;
748a9306 2122 s = SvPV_force(argsv, len);
324aa91a
HF		 2123 need = IOCPARM_LEN(func);
2124 if (len < need) {
2125 s = Sv_Grow(argsv, need + 1);
2126 SvCUR_set(argsv, need);
a0d0e21e
LW		 2127 }
2128
748a9306 2129 s[SvCUR(argsv)] = 17; /* a little sanity check here */
a0d0e21e
LW		 2130 }
2131 else {
748a9306 2132 retval = SvIV(argsv);
c529f79d 2133 s = INT2PTR(char*,retval); /* ouch */
a0d0e21e
LW		 2134 }
2135
2136 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
2137
2138 if (optype == OP_IOCTL)
2139#ifdef HAS_IOCTL
76e3520e 2140 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
a0d0e21e 2141#else
cea2e8a9 2142 DIE(aTHX_ "ioctl is not implemented");
a0d0e21e
LW		 2143#endif
2144 else
c214f4ad
WB		 2145#ifndef HAS_FCNTL
2146 DIE(aTHX_ "fcntl is not implemented");
2147#else
55497cff 2148#if defined(OS2) && defined(__EMX__)
760ac839 2149 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
55497cff 2150#else
760ac839 2151 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
301e8125 2152#endif
a0d0e21e 2153
748a9306
LW		 2154 if (SvPOK(argsv)) {
2155 if (s[SvCUR(argsv)] != 17)
cea2e8a9 2156 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
53e06cf0 2157 OP_NAME(PL_op));
748a9306
LW		 2158 s[SvCUR(argsv)] = 0; /* put our null back */
2159 SvSETMAGIC(argsv); /* Assume it has changed */
a0d0e21e
LW		 2160 }
2161
2162 if (retval == -1)
2163 RETPUSHUNDEF;
2164 if (retval != 0) {
2165 PUSHi(retval);
2166 }
2167 else {
8903cb82 2168 PUSHp(zero_but_true, ZBTLEN);
a0d0e21e 2169 }
4808266b 2170#endif
c214f4ad 2171 RETURN;
a0d0e21e
LW		 2172}
2173
2174PP(pp_flock)
2175{
9cad6237 2176#ifdef FLOCK
39644a26 2177 dSP; dTARGET;
a0d0e21e
LW		 2178 I32 value;
2179 int argtype;
2180 GV *gv;
bc37a18f 2181 IO *io = NULL;
760ac839 2182 PerlIO *fp;
16d20bd9 2183
a0d0e21e 2184 argtype = POPi;
32da55ab 2185 if (MAXARG == 0)
3280af22 2186 gv = PL_last_in_gv;
a0d0e21e
LW		 2187 else
2188 gv = (GV*)POPs;
bc37a18f
RG		 2189 if (gv && (io = GvIO(gv)))
2190 fp = IoIFP(io);
2191 else {
a0d0e21e 2192 fp = Nullfp;
bc37a18f
RG		 2193 io = NULL;
2194 }
a0d0e21e 2195 if (fp) {
68dc0745 2196 (void)PerlIO_flush(fp);
76e3520e 2197 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
a0d0e21e 2198 }
cb50131a 2199 else {
bc37a18f
RG		 2200 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2201 report_evil_fh(gv, io, PL_op->op_type);
a0d0e21e 2202 value = 0;
93189314 2203 SETERRNO(EBADF,RMS_IFI);
cb50131a 2204 }
a0d0e21e
LW		 2205 PUSHi(value);
2206 RETURN;
2207#else
cea2e8a9 2208 DIE(aTHX_ PL_no_func, "flock()");
a0d0e21e
LW		 2209#endif
2210}
2211
2212/* Sockets. */
2213
2214PP(pp_socket)
2215{
a0d0e21e 2216#ifdef HAS_SOCKET
9cad6237 2217 dSP;
a0d0e21e
LW		 2218 GV *gv;
2219 register IO *io;
2220 int protocol = POPi;
2221 int type = POPi;
2222 int domain = POPi;
2223 int fd;
2224
2225 gv = (GV*)POPs;
c289d2f7 2226 io = gv ? GvIOn(gv) : NULL;
a0d0e21e 2227
c289d2f7
JH		 2228 if (!gv || !io) {
2229 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2230 report_evil_fh(gv, io, PL_op->op_type);
2231 if (IoIFP(io))
2232 do_close(gv, FALSE);
93189314 2233 SETERRNO(EBADF,LIB_INVARG);
a0d0e21e
LW		 2234 RETPUSHUNDEF;
2235 }
2236
57171420
BS		 2237 if (IoIFP(io))
2238 do_close(gv, FALSE);
2239
a0d0e21e 2240 TAINT_PROPER("socket");
6ad3d225 2241 fd = PerlSock_socket(domain, type, protocol);
a0d0e21e
LW		 2242 if (fd < 0)
2243 RETPUSHUNDEF;
479b2847
GS		 2244 IoIFP(io) = PerlIO_fdopen(fd, "r"PIPESOCK_MODE); /* stdio gets confused about sockets */
2245 IoOFP(io) = PerlIO_fdopen(fd, "w"PIPESOCK_MODE);
50952442 2246 IoTYPE(io) = IoTYPE_SOCKET;
a0d0e21e 2247 if (!IoIFP(io) || !IoOFP(io)) {
760ac839
LW		 2248 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2249 if (IoOFP(io)) PerlIO_close(IoOFP(io));
6ad3d225 2250 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
a0d0e21e
LW		 2251 RETPUSHUNDEF;
2252 }
8d2a6795
GS		 2253#if defined(HAS_FCNTL) && defined(F_SETFD)
2254 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2255#endif
a0d0e21e 2256
d5ff79b3
OF		 2257#ifdef EPOC
2258 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2259#endif
2260
a0d0e21e
LW		 2261 RETPUSHYES;
2262#else
cea2e8a9 2263 DIE(aTHX_ PL_no_sock_func, "socket");
a0d0e21e
LW		 2264#endif
2265}
2266
2267PP(pp_sockpair)
2268{
c95c94b1 2269#if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET))
76ffd3b9 2270 dSP;
a0d0e21e
LW		 2271 GV *gv1;
2272 GV *gv2;
2273 register IO *io1;
2274 register IO *io2;
2275 int protocol = POPi;
2276 int type = POPi;
2277 int domain = POPi;
2278 int fd[2];
2279
2280 gv2 = (GV*)POPs;
2281 gv1 = (GV*)POPs;
c289d2f7
JH		 2282 io1 = gv1 ? GvIOn(gv1) : NULL;
2283 io2 = gv2 ? GvIOn(gv2) : NULL;
2284 if (!gv1 || !gv2 || !io1 || !io2) {
2285 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
2286 if (!gv1 || !io1)
2287 report_evil_fh(gv1, io1, PL_op->op_type);
2288 if (!gv2 || !io2)
2289 report_evil_fh(gv1, io2, PL_op->op_type);
2290 }
2291 if (IoIFP(io1))
2292 do_close(gv1, FALSE);
2293 if (IoIFP(io2))
2294 do_close(gv2, FALSE);
a0d0e21e 2295 RETPUSHUNDEF;
c289d2f7 2296 }
a0d0e21e 2297
dc0d0a5f
JH		 2298 if (IoIFP(io1))
2299 do_close(gv1, FALSE);
2300 if (IoIFP(io2))
2301 do_close(gv2, FALSE);
57171420 2302
a0d0e21e 2303 TAINT_PROPER("socketpair");
6ad3d225 2304 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
a0d0e21e 2305 RETPUSHUNDEF;
479b2847
GS		 2306 IoIFP(io1) = PerlIO_fdopen(fd[0], "r"PIPESOCK_MODE);
2307 IoOFP(io1) = PerlIO_fdopen(fd[0], "w"PIPESOCK_MODE);
50952442 2308 IoTYPE(io1) = IoTYPE_SOCKET;
479b2847
GS		 2309 IoIFP(io2) = PerlIO_fdopen(fd[1], "r"PIPESOCK_MODE);
2310 IoOFP(io2) = PerlIO_fdopen(fd[1], "w"PIPESOCK_MODE);
50952442 2311 IoTYPE(io2) = IoTYPE_SOCKET;
a0d0e21e 2312 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
760ac839
LW		 2313 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2314 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
6ad3d225 2315 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
760ac839
LW		 2316 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2317 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
6ad3d225 2318 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
a0d0e21e
LW		 2319 RETPUSHUNDEF;
2320 }
8d2a6795
GS		 2321#if defined(HAS_FCNTL) && defined(F_SETFD)
2322 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2323 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2324#endif
a0d0e21e
LW		 2325
2326 RETPUSHYES;
2327#else
cea2e8a9 2328 DIE(aTHX_ PL_no_sock_func, "socketpair");
a0d0e21e
LW		 2329#endif
2330}
2331
2332PP(pp_bind)
2333{
a0d0e21e 2334#ifdef HAS_SOCKET
9cad6237 2335 dSP;
eec2d3df 2336#ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
82b3da69
JH		 2337 extern void GETPRIVMODE();
2338 extern void GETUSERMODE();
eec2d3df 2339#endif
748a9306 2340 SV *addrsv = POPs;
a0d0e21e
LW		 2341 char *addr;
2342 GV *gv = (GV*)POPs;
2343 register IO *io = GvIOn(gv);
2344 STRLEN len;
eec2d3df
GS		 2345 int bind_ok = 0;
2346#ifdef MPE
2347 int mpeprivmode = 0;
2348#endif
a0d0e21e
LW		 2349
2350 if (!io || !IoIFP(io))
2351 goto nuts;
2352
748a9306 2353 addr = SvPV(addrsv, len);
a0d0e21e 2354 TAINT_PROPER("bind");
eec2d3df
GS		 2355#ifdef MPE /* Deal with MPE bind() peculiarities */
2356 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2357 /* The address *MUST* stupidly be zero. */
2358 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2359 /* PRIV mode is required to bind() to ports < 1024. */
2360 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2361 ((struct sockaddr_in *)addr)->sin_port > 0) {
2362 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2363 mpeprivmode = 1;
2364 }
2365 }
2366#endif /* MPE */
2367 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2368 (struct sockaddr *)addr, len) >= 0)
2369 bind_ok = 1;
2370
2371#ifdef MPE /* Switch back to USER mode */
2372 if (mpeprivmode)
2373 GETUSERMODE();
2374#endif /* MPE */
2375
2376 if (bind_ok)
a0d0e21e
LW		 2377 RETPUSHYES;
2378 else
2379 RETPUSHUNDEF;
2380
2381nuts:
599cee73 2382 if (ckWARN(WARN_CLOSED))
bc37a18f 2383 report_evil_fh(gv, io, PL_op->op_type);
93189314 2384 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2385 RETPUSHUNDEF;
2386#else
cea2e8a9 2387 DIE(aTHX_ PL_no_sock_func, "bind");
a0d0e21e
LW		 2388#endif
2389}
2390
2391PP(pp_connect)
2392{
a0d0e21e 2393#ifdef HAS_SOCKET
9cad6237 2394 dSP;
748a9306 2395 SV *addrsv = POPs;
a0d0e21e
LW		 2396 char *addr;
2397 GV *gv = (GV*)POPs;
2398 register IO *io = GvIOn(gv);
2399 STRLEN len;
2400
2401 if (!io || !IoIFP(io))
2402 goto nuts;
2403
748a9306 2404 addr = SvPV(addrsv, len);
a0d0e21e 2405 TAINT_PROPER("connect");
6ad3d225 2406 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
a0d0e21e
LW		 2407 RETPUSHYES;
2408 else
2409 RETPUSHUNDEF;
2410
2411nuts:
599cee73 2412 if (ckWARN(WARN_CLOSED))
bc37a18f 2413 report_evil_fh(gv, io, PL_op->op_type);
93189314 2414 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2415 RETPUSHUNDEF;
2416#else
cea2e8a9 2417 DIE(aTHX_ PL_no_sock_func, "connect");
a0d0e21e
LW		 2418#endif
2419}
2420
2421PP(pp_listen)
2422{
a0d0e21e 2423#ifdef HAS_SOCKET
9cad6237 2424 dSP;
a0d0e21e
LW		 2425 int backlog = POPi;
2426 GV *gv = (GV*)POPs;
c289d2f7 2427 register IO *io = gv ? GvIOn(gv) : NULL;
a0d0e21e 2428
c289d2f7 2429 if (!gv || !io || !IoIFP(io))
a0d0e21e
LW		 2430 goto nuts;
2431
6ad3d225 2432 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
a0d0e21e
LW		 2433 RETPUSHYES;
2434 else
2435 RETPUSHUNDEF;
2436
2437nuts:
599cee73 2438 if (ckWARN(WARN_CLOSED))
bc37a18f 2439 report_evil_fh(gv, io, PL_op->op_type);
93189314 2440 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2441 RETPUSHUNDEF;
2442#else
cea2e8a9 2443 DIE(aTHX_ PL_no_sock_func, "listen");
a0d0e21e
LW		 2444#endif
2445}
2446
2447PP(pp_accept)
2448{
a0d0e21e 2449#ifdef HAS_SOCKET
9cad6237 2450 dSP; dTARGET;
a0d0e21e
LW		 2451 GV *ngv;
2452 GV *ggv;
2453 register IO *nstio;
2454 register IO *gstio;
4633a7c4 2455 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1e422769 2456 Sock_size_t len = sizeof saddr;
a0d0e21e
LW		 2457 int fd;
2458
2459 ggv = (GV*)POPs;
2460 ngv = (GV*)POPs;
2461
2462 if (!ngv)
2463 goto badexit;
2464 if (!ggv)
2465 goto nuts;
2466
2467 gstio = GvIO(ggv);
2468 if (!gstio || !IoIFP(gstio))
2469 goto nuts;
2470
2471 nstio = GvIOn(ngv);
6ad3d225 2472 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
a0d0e21e
LW		 2473 if (fd < 0)
2474 goto badexit;
a70048fb
AB		 2475 if (IoIFP(nstio))
2476 do_close(ngv, FALSE);
479b2847 2477 IoIFP(nstio) = PerlIO_fdopen(fd, "r"PIPESOCK_MODE);
7e56aaa7 2478 IoOFP(nstio) = PerlIO_fdopen(fd, "w"PIPESOCK_MODE);
50952442 2479 IoTYPE(nstio) = IoTYPE_SOCKET;
a0d0e21e 2480 if (!IoIFP(nstio) || !IoOFP(nstio)) {
760ac839
LW		 2481 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2482 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
6ad3d225 2483 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
a0d0e21e
LW		 2484 goto badexit;
2485 }
8d2a6795
GS		 2486#if defined(HAS_FCNTL) && defined(F_SETFD)
2487 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2488#endif
a0d0e21e 2489
ed79a026 2490#ifdef EPOC
a9f1f6b0
OF		 2491 len = sizeof saddr; /* EPOC somehow truncates info */
2492 setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
ed79a026
OF		 2493#endif
2494
748a9306 2495 PUSHp((char *)&saddr, len);
a0d0e21e
LW		 2496 RETURN;
2497
2498nuts:
599cee73 2499 if (ckWARN(WARN_CLOSED))
bc37a18f 2500 report_evil_fh(ggv, ggv ? GvIO(ggv) : 0, PL_op->op_type);
93189314 2501 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2502
2503badexit:
2504 RETPUSHUNDEF;
2505
2506#else
cea2e8a9 2507 DIE(aTHX_ PL_no_sock_func, "accept");
a0d0e21e
LW		 2508#endif
2509}
2510
2511PP(pp_shutdown)
2512{
a0d0e21e 2513#ifdef HAS_SOCKET
9cad6237 2514 dSP; dTARGET;
a0d0e21e
LW		 2515 int how = POPi;
2516 GV *gv = (GV*)POPs;
2517 register IO *io = GvIOn(gv);
2518
2519 if (!io || !IoIFP(io))
2520 goto nuts;
2521
6ad3d225 2522 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
a0d0e21e
LW		 2523 RETURN;
2524
2525nuts:
599cee73 2526 if (ckWARN(WARN_CLOSED))
bc37a18f 2527 report_evil_fh(gv, io, PL_op->op_type);
93189314 2528 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2529 RETPUSHUNDEF;
2530#else
cea2e8a9 2531 DIE(aTHX_ PL_no_sock_func, "shutdown");
a0d0e21e
LW		 2532#endif
2533}
2534
2535PP(pp_gsockopt)
2536{
2537#ifdef HAS_SOCKET
cea2e8a9 2538 return pp_ssockopt();
a0d0e21e 2539#else
cea2e8a9 2540 DIE(aTHX_ PL_no_sock_func, "getsockopt");
a0d0e21e
LW		 2541#endif
2542}
2543
2544PP(pp_ssockopt)
2545{
a0d0e21e 2546#ifdef HAS_SOCKET
9cad6237 2547 dSP;
533c011a 2548 int optype = PL_op->op_type;
a0d0e21e
LW		 2549 SV *sv;
2550 int fd;
2551 unsigned int optname;
2552 unsigned int lvl;
2553 GV *gv;
2554 register IO *io;
1e422769 2555 Sock_size_t len;
a0d0e21e
LW		 2556
2557 if (optype == OP_GSOCKOPT)
2558 sv = sv_2mortal(NEWSV(22, 257));
2559 else
2560 sv = POPs;
2561 optname = (unsigned int) POPi;
2562 lvl = (unsigned int) POPi;
2563
2564 gv = (GV*)POPs;
2565 io = GvIOn(gv);
2566 if (!io || !IoIFP(io))
2567 goto nuts;
2568
760ac839 2569 fd = PerlIO_fileno(IoIFP(io));
a0d0e21e
LW		 2570 switch (optype) {
2571 case OP_GSOCKOPT:
748a9306 2572 SvGROW(sv, 257);
a0d0e21e 2573 (void)SvPOK_only(sv);
748a9306
LW		 2574 SvCUR_set(sv,256);
2575 *SvEND(sv) ='\0';
1e422769 2576 len = SvCUR(sv);
6ad3d225 2577 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
a0d0e21e 2578 goto nuts2;
1e422769 2579 SvCUR_set(sv, len);
748a9306 2580 *SvEND(sv) ='\0';
a0d0e21e
LW		 2581 PUSHs(sv);
2582 break;
2583 case OP_SSOCKOPT: {
1e422769 2584 char *buf;
2585 int aint;
2586 if (SvPOKp(sv)) {
2d8e6c8d
GS		 2587 STRLEN l;
2588 buf = SvPV(sv, l);
2589 len = l;
1e422769 2590 }
56ee1660 2591 else {
a0d0e21e
LW		 2592 aint = (int)SvIV(sv);
2593 buf = (char*)&aint;
2594 len = sizeof(int);
2595 }
6ad3d225 2596 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
a0d0e21e 2597 goto nuts2;
3280af22 2598 PUSHs(&PL_sv_yes);
a0d0e21e
LW		 2599 }
2600 break;
2601 }
2602 RETURN;
2603
2604nuts:
599cee73 2605 if (ckWARN(WARN_CLOSED))
bc37a18f 2606 report_evil_fh(gv, io, optype);
93189314 2607 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2608nuts2:
2609 RETPUSHUNDEF;
2610
2611#else
cea2e8a9 2612 DIE(aTHX_ PL_no_sock_func, "setsockopt");
a0d0e21e
LW		 2613#endif
2614}
2615
2616PP(pp_getsockname)
2617{
2618#ifdef HAS_SOCKET
cea2e8a9 2619 return pp_getpeername();
a0d0e21e 2620#else
cea2e8a9 2621 DIE(aTHX_ PL_no_sock_func, "getsockname");
a0d0e21e
LW		 2622#endif
2623}
2624
2625PP(pp_getpeername)
2626{
a0d0e21e 2627#ifdef HAS_SOCKET
9cad6237 2628 dSP;
533c011a 2629 int optype = PL_op->op_type;
a0d0e21e
LW		 2630 SV *sv;
2631 int fd;
2632 GV *gv = (GV*)POPs;
2633 register IO *io = GvIOn(gv);
1e422769 2634 Sock_size_t len;
a0d0e21e
LW		 2635
2636 if (!io || !IoIFP(io))
2637 goto nuts;
2638
2639 sv = sv_2mortal(NEWSV(22, 257));
748a9306 2640 (void)SvPOK_only(sv);
1e422769 2641 len = 256;
2642 SvCUR_set(sv, len);
748a9306 2643 *SvEND(sv) ='\0';
760ac839 2644 fd = PerlIO_fileno(IoIFP(io));
a0d0e21e
LW		 2645 switch (optype) {
2646 case OP_GETSOCKNAME:
6ad3d225 2647 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
a0d0e21e
LW		 2648 goto nuts2;
2649 break;
2650 case OP_GETPEERNAME:
6ad3d225 2651 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
a0d0e21e 2652 goto nuts2;
490ab354
JH		 2653#if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2654 {
2655 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";
2656 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2657 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2658 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2659 sizeof(u_short) + sizeof(struct in_addr))) {
301e8125 2660 goto nuts2;
490ab354
JH		 2661 }
2662 }
2663#endif
a0d0e21e
LW		 2664 break;
2665 }
13826f2c
CS		 2666#ifdef BOGUS_GETNAME_RETURN
2667 /* Interactive Unix, getpeername() and getsockname()
2668 does not return valid namelen */
1e422769 2669 if (len == BOGUS_GETNAME_RETURN)
2670 len = sizeof(struct sockaddr);
13826f2c 2671#endif
1e422769 2672 SvCUR_set(sv, len);
748a9306 2673 *SvEND(sv) ='\0';
a0d0e21e
LW		 2674 PUSHs(sv);
2675 RETURN;
2676
2677nuts:
599cee73 2678 if (ckWARN(WARN_CLOSED))
bc37a18f 2679 report_evil_fh(gv, io, optype);
93189314 2680 SETERRNO(EBADF,SS_IVCHAN);
a0d0e21e
LW		 2681nuts2:
2682 RETPUSHUNDEF;
2683
2684#else
cea2e8a9 2685 DIE(aTHX_ PL_no_sock_func, "getpeername");
a0d0e21e
LW		 2686#endif
2687}
2688
2689/* Stat calls. */
2690
2691PP(pp_lstat)
2692{
cea2e8a9 2693 return pp_stat();
a0d0e21e
LW		 2694}
2695
2696PP(pp_stat)
2697{
39644a26 2698 dSP;
2dd78f96 2699 GV *gv;
54310121 2700 I32 gimme;
a0d0e21e 2701 I32 max = 13;
2d8e6c8d 2702 STRLEN n_a;
a0d0e21e 2703
533c011a 2704 if (PL_op->op_flags & OPf_REF) {
2dd78f96 2705 gv = cGVOP_gv;
8a4e5b40 2706 if (PL_op->op_type == OP_LSTAT) {
5d3e98de
RGS		 2707 if (gv != PL_defgv) {
2708 if (ckWARN(WARN_IO))
9014280d 2709 Perl_warner(aTHX_ packWARN(WARN_IO),
5d3e98de
RGS		 2710 "lstat() on filehandle %s", GvENAME(gv));
2711 } else if (PL_laststype != OP_LSTAT)
8a4e5b40 2712 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
8a4e5b40
DD		 2713 }
2714
748a9306 2715 do_fstat:
2dd78f96 2716 if (gv != PL_defgv) {
3280af22 2717 PL_laststype = OP_STAT;
2dd78f96 2718 PL_statgv = gv;
3280af22 2719 sv_setpv(PL_statname, "");
2dd78f96
JH		 2720 PL_laststatval = (GvIO(gv) && IoIFP(GvIOp(gv))
2721 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(gv))), &PL_statcache) : -1);
a0d0e21e 2722 }
9ddeeac9 2723 if (PL_laststatval < 0) {
2dd78f96
JH		 2724 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
2725 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
a0d0e21e 2726 max = 0;
9ddeeac9 2727 }
a0d0e21e
LW		 2728 }
2729 else {
748a9306
LW		 2730 SV* sv = POPs;
2731 if (SvTYPE(sv) == SVt_PVGV) {
2dd78f96 2732 gv = (GV*)sv;
748a9306
LW		 2733 goto do_fstat;
2734 }
2735 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2dd78f96 2736 gv = (GV*)SvRV(sv);
5d3e98de 2737 if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
9014280d 2738 Perl_warner(aTHX_ packWARN(WARN_IO),
5d3e98de 2739 "lstat() on filehandle %s", GvENAME(gv));
748a9306
LW		 2740 goto do_fstat;
2741 }
2d8e6c8d 2742 sv_setpv(PL_statname, SvPV(sv,n_a));
3280af22 2743 PL_statgv = Nullgv;
a0d0e21e 2744#ifdef HAS_LSTAT
533c011a
NIS		 2745 PL_laststype = PL_op->op_type;
2746 if (PL_op->op_type == OP_LSTAT)
2d8e6c8d 2747 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
a0d0e21e
LW		 2748 else
2749#endif
2d8e6c8d 2750 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
3280af22 2751 if (PL_laststatval < 0) {
2d8e6c8d 2752 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
9014280d 2753 Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat");
a0d0e21e
LW		 2754 max = 0;
2755 }
2756 }
2757
54310121 2758 gimme = GIMME_V;
2759 if (gimme != G_ARRAY) {
2760 if (gimme != G_VOID)
2761 XPUSHs(boolSV(max));
2762 RETURN;
a0d0e21e
LW		 2763 }
2764 if (max) {
36477c24 2765 EXTEND(SP, max);
2766 EXTEND_MORTAL(max);
1ff81528
PL		 2767 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2768 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
b448e4fe
JH		 2769 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2770 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
146174a9
CB		 2771#if Uid_t_size > IVSIZE
2772 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2773#else
23dcd6c8 2774# if Uid_t_sign <= 0
1ff81528 2775 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
23dcd6c8
JH		 2776# else
2777 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2778# endif
146174a9 2779#endif
301e8125 2780#if Gid_t_size > IVSIZE
146174a9
CB		 2781 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2782#else
23dcd6c8 2783# if Gid_t_sign <= 0
1ff81528 2784 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
23dcd6c8
JH		 2785# else
2786 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2787# endif
146174a9 2788#endif
cbdc8872 2789#ifdef USE_STAT_RDEV
1ff81528 2790 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
cbdc8872 2791#else
79cb57f6 2792 PUSHs(sv_2mortal(newSVpvn("", 0)));
cbdc8872 2793#endif
146174a9 2794#if Off_t_size > IVSIZE
4a9d6100 2795 PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size)));
146174a9 2796#else
1ff81528 2797 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
146174a9 2798#endif
cbdc8872 2799#ifdef BIG_TIME
172ae379
JH		 2800 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2801 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2802 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
cbdc8872 2803#else
1ff81528
PL		 2804 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2805 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2806 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
cbdc8872 2807#endif
a0d0e21e 2808#ifdef USE_STAT_BLOCKS
b448e4fe
JH		 2809 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2810 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
a0d0e21e 2811#else
79cb57f6
GS		 2812 PUSHs(sv_2mortal(newSVpvn("", 0)));
2813 PUSHs(sv_2mortal(newSVpvn("", 0)));
a0d0e21e
LW		 2814#endif
2815 }
2816 RETURN;
2817}
2818
2819PP(pp_ftrread)
2820{
9cad6237 2821 I32 result;
2a3ff820 2822 dSP;
5ff3f7a4 2823#if defined(HAS_ACCESS) && defined(R_OK)
2d8e6c8d 2824 STRLEN n_a;
5ff3f7a4 2825 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2826 result = access(TOPpx, R_OK);
5ff3f7a4
GS		 2827 if (result == 0)
2828 RETPUSHYES;
2829 if (result < 0)
2830 RETPUSHUNDEF;
2831 RETPUSHNO;
22865c03
GS		 2832 }
2833 else
cea2e8a9 2834 result = my_stat();
5ff3f7a4 2835#else
cea2e8a9 2836 result = my_stat();
5ff3f7a4 2837#endif
22865c03 2838 SPAGAIN;
a0d0e21e
LW		 2839 if (result < 0)
2840 RETPUSHUNDEF;
3280af22 2841 if (cando(S_IRUSR, 0, &PL_statcache))
a0d0e21e
LW		 2842 RETPUSHYES;
2843 RETPUSHNO;
2844}
2845
2846PP(pp_ftrwrite)
2847{
9cad6237 2848 I32 result;
2a3ff820 2849 dSP;
5ff3f7a4 2850#if defined(HAS_ACCESS) && defined(W_OK)
2d8e6c8d 2851 STRLEN n_a;
5ff3f7a4 2852 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2853 result = access(TOPpx, W_OK);
5ff3f7a4
GS		 2854 if (result == 0)
2855 RETPUSHYES;
2856 if (result < 0)
2857 RETPUSHUNDEF;
2858 RETPUSHNO;
22865c03
GS		 2859 }
2860 else
cea2e8a9 2861 result = my_stat();
5ff3f7a4 2862#else
cea2e8a9 2863 result = my_stat();
5ff3f7a4 2864#endif
22865c03 2865 SPAGAIN;
a0d0e21e
LW		 2866 if (result < 0)
2867 RETPUSHUNDEF;
3280af22 2868 if (cando(S_IWUSR, 0, &PL_statcache))
a0d0e21e
LW		 2869 RETPUSHYES;
2870 RETPUSHNO;
2871}
2872
2873PP(pp_ftrexec)
2874{
9cad6237 2875 I32 result;
2a3ff820 2876 dSP;
5ff3f7a4 2877#if defined(HAS_ACCESS) && defined(X_OK)
2d8e6c8d 2878 STRLEN n_a;
5ff3f7a4 2879 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2880 result = access(TOPpx, X_OK);
5ff3f7a4
GS		 2881 if (result == 0)
2882 RETPUSHYES;
2883 if (result < 0)
2884 RETPUSHUNDEF;
2885 RETPUSHNO;
22865c03
GS		 2886 }
2887 else
cea2e8a9 2888 result = my_stat();
5ff3f7a4 2889#else
cea2e8a9 2890 result = my_stat();
5ff3f7a4 2891#endif
22865c03 2892 SPAGAIN;
a0d0e21e
LW		 2893 if (result < 0)
2894 RETPUSHUNDEF;
3280af22 2895 if (cando(S_IXUSR, 0, &PL_statcache))
a0d0e21e
LW		 2896 RETPUSHYES;
2897 RETPUSHNO;
2898}
2899
2900PP(pp_fteread)
2901{
9cad6237 2902 I32 result;
2a3ff820 2903 dSP;
5ff3f7a4 2904#ifdef PERL_EFF_ACCESS_R_OK
2d8e6c8d 2905 STRLEN n_a;
5ff3f7a4 2906 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2907 result = PERL_EFF_ACCESS_R_OK(TOPpx);
5ff3f7a4
GS		 2908 if (result == 0)
2909 RETPUSHYES;
2910 if (result < 0)
2911 RETPUSHUNDEF;
2912 RETPUSHNO;
22865c03
GS		 2913 }
2914 else
cea2e8a9 2915 result = my_stat();
5ff3f7a4 2916#else
cea2e8a9 2917 result = my_stat();
5ff3f7a4 2918#endif
22865c03 2919 SPAGAIN;
a0d0e21e
LW		 2920 if (result < 0)
2921 RETPUSHUNDEF;
3280af22 2922 if (cando(S_IRUSR, 1, &PL_statcache))
a0d0e21e
LW		 2923 RETPUSHYES;
2924 RETPUSHNO;
2925}
2926
2927PP(pp_ftewrite)
2928{
9cad6237 2929 I32 result;
2a3ff820 2930 dSP;
5ff3f7a4 2931#ifdef PERL_EFF_ACCESS_W_OK
2d8e6c8d 2932 STRLEN n_a;
5ff3f7a4 2933 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2934 result = PERL_EFF_ACCESS_W_OK(TOPpx);
5ff3f7a4
GS		 2935 if (result == 0)
2936 RETPUSHYES;
2937 if (result < 0)
2938 RETPUSHUNDEF;
2939 RETPUSHNO;
22865c03
GS		 2940 }
2941 else
cea2e8a9 2942 result = my_stat();
5ff3f7a4 2943#else
cea2e8a9 2944 result = my_stat();
5ff3f7a4 2945#endif
22865c03 2946 SPAGAIN;
a0d0e21e
LW		 2947 if (result < 0)
2948 RETPUSHUNDEF;
3280af22 2949 if (cando(S_IWUSR, 1, &PL_statcache))
a0d0e21e
LW		 2950 RETPUSHYES;
2951 RETPUSHNO;
2952}
2953
2954PP(pp_fteexec)
2955{
9cad6237 2956 I32 result;
2a3ff820 2957 dSP;
5ff3f7a4 2958#ifdef PERL_EFF_ACCESS_X_OK
2d8e6c8d 2959 STRLEN n_a;
5ff3f7a4 2960 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2d8e6c8d 2961 result = PERL_EFF_ACCESS_X_OK(TOPpx);
5ff3f7a4
GS		 2962 if (result == 0)
2963 RETPUSHYES;
2964 if (result < 0)
2965 RETPUSHUNDEF;
2966 RETPUSHNO;
22865c03
GS		 2967 }
2968 else
cea2e8a9 2969 result = my_stat();
5ff3f7a4 2970#else
cea2e8a9 2971 result = my_stat();
5ff3f7a4 2972#endif
22865c03 2973 SPAGAIN;
a0d0e21e
LW		 2974 if (result < 0)
2975 RETPUSHUNDEF;
3280af22 2976 if (cando(S_IXUSR, 1, &PL_statcache))
a0d0e21e
LW		 2977 RETPUSHYES;
2978 RETPUSHNO;
2979}
2980
2981PP(pp_ftis)
2982{
9cad6237 2983 I32 result = my_stat();
2a3ff820 2984 dSP;
a0d0e21e
LW		 2985 if (result < 0)
2986 RETPUSHUNDEF;
2987 RETPUSHYES;
2988}
2989
2990PP(pp_fteowned)
2991{
cea2e8a9 2992 return pp_ftrowned();
a0d0e21e
LW		 2993}
2994
2995PP(pp_ftrowned)
2996{
9cad6237 2997 I32 result = my_stat();
2a3ff820 2998 dSP;
a0d0e21e
LW		 2999 if (result < 0)
3000 RETPUSHUNDEF;
146174a9
CB		 3001 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
3002 PL_euid : PL_uid) )
a0d0e21e
LW		 3003 RETPUSHYES;
3004 RETPUSHNO;
3005}
3006
3007PP(pp_ftzero)
3008{
9cad6237 3009 I32 result = my_stat();
2a3ff820 3010 dSP;
a0d0e21e
LW		 3011 if (result < 0)
3012 RETPUSHUNDEF;
146174a9 3013 if (PL_statcache.st_size == 0)
a0d0e21e
LW		 3014 RETPUSHYES;
3015 RETPUSHNO;
3016}
3017
3018PP(pp_ftsize)
3019{
9cad6237 3020 I32 result = my_stat();
2a3ff820 3021 dSP; dTARGET;
a0d0e21e
LW		 3022 if (result < 0)
3023 RETPUSHUNDEF;
146174a9
CB		 3024#if Off_t_size > IVSIZE
3025 PUSHn(PL_statcache.st_size);
3026#else
3280af22 3027 PUSHi(PL_statcache.st_size);
146174a9 3028#endif
a0d0e21e
LW		 3029 RETURN;
3030}
3031
3032PP(pp_ftmtime)
3033{
9cad6237 3034 I32 result = my_stat();
2a3ff820 3035 dSP; dTARGET;
a0d0e21e
LW		 3036 if (result < 0)
3037 RETPUSHUNDEF;
c6419e06 3038 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
a0d0e21e
LW		 3039 RETURN;
3040}
3041
3042PP(pp_ftatime)
3043{
9cad6237 3044 I32 result = my_stat();
2a3ff820 3045 dSP; dTARGET;
a0d0e21e
LW		 3046 if (result < 0)
3047 RETPUSHUNDEF;
c6419e06 3048 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
a0d0e21e
LW		 3049 RETURN;
3050}
3051
3052PP(pp_ftctime)
3053{
9cad6237 3054 I32 result = my_stat();
2a3ff820 3055 dSP; dTARGET;
a0d0e21e
LW		 3056 if (result < 0)
3057 RETPUSHUNDEF;
c6419e06 3058 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
a0d0e21e
LW		 3059 RETURN;
3060}
3061
3062PP(pp_ftsock)
3063{
9cad6237 3064 I32 result = my_stat();
2a3ff820 3065 dSP;
a0d0e21e
LW		 3066 if (result < 0)
3067 RETPUSHUNDEF;
3280af22 3068 if (S_ISSOCK(PL_statcache.st_mode))
a0d0e21e
LW		 3069 RETPUSHYES;
3070 RETPUSHNO;
3071}
3072
3073PP(pp_ftchr)
3074{
9cad6237 3075 I32 result = my_stat();
2a3ff820 3076 dSP;
a0d0e21e
LW		 3077 if (result < 0)
3078 RETPUSHUNDEF;
3280af22 3079 if (S_ISCHR(PL_statcache.st_mode))
a0d0e21e
LW		 3080 RETPUSHYES;
3081 RETPUSHNO;
3082}
3083
3084PP(pp_ftblk)
3085{
9cad6237 3086 I32 result = my_stat();
2a3ff820 3087 dSP;
a0d0e21e
LW		 3088 if (result < 0)
3089 RETPUSHUNDEF;
3280af22 3090 if (S_ISBLK(PL_statcache.st_mode))
a0d0e21e
LW		 3091 RETPUSHYES;
3092 RETPUSHNO;
3093}
3094
3095PP(pp_ftfile)
3096{
9cad6237 3097 I32 result = my_stat();
2a3ff820 3098 dSP;
a0d0e21e
LW		 3099 if (result < 0)
3100 RETPUSHUNDEF;
3280af22 3101 if (S_ISREG(PL_statcache.st_mode))
a0d0e21e
LW		 3102 RETPUSHYES;
3103 RETPUSHNO;
3104}
3105
3106PP(pp_ftdir)
3107{
9cad6237 3108 I32 result = my_stat();
2a3ff820 3109 dSP;
a0d0e21e
LW		 3110 if (result < 0)
3111 RETPUSHUNDEF;
3280af22 3112 if (S_ISDIR(PL_statcache.st_mode))
a0d0e21e
LW		 3113 RETPUSHYES;
3114 RETPUSHNO;
3115}
3116
3117PP(pp_ftpipe)
3118{
9cad6237 3119 I32 result = my_stat();
2a3ff820 3120 dSP;
a0d0e21e
LW		 3121 if (result < 0)
3122 RETPUSHUNDEF;
3280af22 3123 if (S_ISFIFO(PL_statcache.st_mode))
a0d0e21e
LW		 3124 RETPUSHYES;
3125 RETPUSHNO;
3126}
3127
3128PP(pp_ftlink)
3129{
9cad6237 3130 I32 result = my_lstat();
2a3ff820 3131 dSP;
a0d0e21e
LW		 3132 if (result < 0)
3133 RETPUSHUNDEF;
3280af22 3134 if (S_ISLNK(PL_statcache.st_mode))
a0d0e21e
LW		 3135 RETPUSHYES;
3136 RETPUSHNO;
3137}
3138
3139PP(pp_ftsuid)
3140{
39644a26 3141 dSP;
a0d0e21e 3142#ifdef S_ISUID
cea2e8a9 3143 I32 result = my_stat();
a0d0e21e
LW		 3144 SPAGAIN;
3145 if (result < 0)
3146 RETPUSHUNDEF;
3280af22 3147 if (PL_statcache.st_mode & S_ISUID)
a0d0e21e
LW		 3148 RETPUSHYES;
3149#endif
3150 RETPUSHNO;
3151}
3152
3153PP(pp_ftsgid)
3154{
39644a26 3155 dSP;
a0d0e21e 3156#ifdef S_ISGID
cea2e8a9 3157 I32 result = my_stat();
a0d0e21e
LW		 3158 SPAGAIN;
3159 if (result < 0)
3160 RETPUSHUNDEF;
3280af22 3161 if (PL_statcache.st_mode & S_ISGID)
a0d0e21e
LW		 3162 RETPUSHYES;
3163#endif
3164 RETPUSHNO;
3165}
3166
3167PP(pp_ftsvtx)
3168{
39644a26 3169 dSP;
a0d0e21e 3170#ifdef S_ISVTX
cea2e8a9 3171 I32 result = my_stat();
a0d0e21e
LW		 3172 SPAGAIN;
3173 if (result < 0)
3174 RETPUSHUNDEF;
3280af22 3175 if (PL_statcache.st_mode & S_ISVTX)
a0d0e21e
LW		 3176 RETPUSHYES;
3177#endif
3178 RETPUSHNO;
3179}
3180
3181PP(pp_fttty)
3182{
39644a26 3183 dSP;
a0d0e21e
LW		 3184 int fd;
3185 GV *gv;
fb73857a 3186 char *tmps = Nullch;
2d8e6c8d 3187 STRLEN n_a;
fb73857a 3188
533c011a 3189 if (PL_op->op_flags & OPf_REF)
146174a9 3190 gv = cGVOP_gv;
fb73857a 3191 else if (isGV(TOPs))
3192 gv = (GV*)POPs;
3193 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3194 gv = (GV*)SvRV(POPs);
a0d0e21e 3195 else
2d8e6c8d 3196 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
fb73857a 3197
a0d0e21e 3198 if (GvIO(gv) && IoIFP(GvIOp(gv)))
760ac839 3199 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
fb73857a 3200 else if (tmps && isDIGIT(*tmps))
a0d0e21e
LW		 3201 fd = atoi(tmps);
3202 else
3203 RETPUSHUNDEF;
6ad3d225 3204 if (PerlLIO_isatty(fd))
a0d0e21e
LW		 3205 RETPUSHYES;
3206 RETPUSHNO;
3207}
3208
16d20bd9
AD		 3209#if defined(atarist) /* this will work with atariST. Configure will
3210 make guesses for other systems. */
3211# define FILE_base(f) ((f)->_base)
3212# define FILE_ptr(f) ((f)->_ptr)
3213# define FILE_cnt(f) ((f)->_cnt)
3214# define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
a0d0e21e
LW		 3215#endif
3216
3217PP(pp_fttext)
3218{
39644a26 3219 dSP;
a0d0e21e
LW		 3220 I32 i;
3221 I32 len;
3222 I32 odd = 0;
3223 STDCHAR tbuf[512];
3224 register STDCHAR *s;
3225 register IO *io;
5f05dabc 3226 register SV *sv;
3227 GV *gv;
2d8e6c8d 3228 STRLEN n_a;
146174a9 3229 PerlIO *fp;
a0d0e21e 3230
533c011a 3231 if (PL_op->op_flags & OPf_REF)
146174a9 3232 gv = cGVOP_gv;
5f05dabc 3233 else if (isGV(TOPs))
3234 gv = (GV*)POPs;
3235 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3236 gv = (GV*)SvRV(POPs);
3237 else
3238 gv = Nullgv;
3239
3240 if (gv) {
a0d0e21e 3241 EXTEND(SP, 1);
3280af22
NIS		 3242 if (gv == PL_defgv) {
3243 if (PL_statgv)
3244 io = GvIO(PL_statgv);
a0d0e21e 3245 else {
3280af22 3246 sv = PL_statname;
a0d0e21e
LW		 3247 goto really_filename;
3248 }
3249 }
3250 else {
3280af22
NIS		 3251 PL_statgv = gv;
3252 PL_laststatval = -1;
3253 sv_setpv(PL_statname, "");
3254 io = GvIO(PL_statgv);
a0d0e21e
LW		 3255 }
3256 if (io && IoIFP(io)) {
5f05dabc 3257 if (! PerlIO_has_base(IoIFP(io)))
cea2e8a9 3258 DIE(aTHX_ "-T and -B not implemented on filehandles");
3280af22
NIS		 3259 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3260 if (PL_laststatval < 0)
5f05dabc 3261 RETPUSHUNDEF;
9cbac4c7 3262 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
533c011a 3263 if (PL_op->op_type == OP_FTTEXT)
a0d0e21e
LW		 3264 RETPUSHNO;
3265 else
3266 RETPUSHYES;
9cbac4c7 3267 }
a20bf0c3 3268 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
760ac839 3269 i = PerlIO_getc(IoIFP(io));
a0d0e21e 3270 if (i != EOF)
760ac839 3271 (void)PerlIO_ungetc(IoIFP(io),i);
a0d0e21e 3272 }
a20bf0c3 3273 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
a0d0e21e 3274 RETPUSHYES;
a20bf0c3
JH		 3275 len = PerlIO_get_bufsiz(IoIFP(io));
3276 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
760ac839
LW		 3277 /* sfio can have large buffers - limit to 512 */
3278 if (len > 512)
3279 len = 512;
a0d0e21e
LW		 3280 }
3281 else {
2dd78f96 3282 if (ckWARN2(WARN_UNOPENED,WARN_CLOSED)) {
146174a9 3283 gv = cGVOP_gv;
2dd78f96 3284 report_evil_fh(gv, GvIO(gv), PL_op->op_type);
146174a9 3285 }
93189314 3286 SETERRNO(EBADF,RMS_IFI);
a0d0e21e
LW		 3287 RETPUSHUNDEF;
3288 }
3289 }
3290 else {
3291 sv = POPs;
5f05dabc 3292 really_filename:
3280af22
NIS		 3293 PL_statgv = Nullgv;
3294 PL_laststatval = -1;
5c9aa243 3295 PL_laststype = OP_STAT;
2d8e6c8d 3296 sv_setpv(PL_statname, SvPV(sv, n_a));
146174a9 3297 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
2d8e6c8d 3298 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
9014280d 3299 Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
a0d0e21e
LW		 3300 RETPUSHUNDEF;
3301 }
146174a9
CB		 3302 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3303 if (PL_laststatval < 0) {
3304 (void)PerlIO_close(fp);
5f05dabc 3305 RETPUSHUNDEF;
146174a9 3306 }
60382766 3307 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
146174a9
CB		 3308 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3309 (void)PerlIO_close(fp);
a0d0e21e 3310 if (len <= 0) {
533c011a 3311 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
a0d0e21e
LW		 3312 RETPUSHNO; /* special case NFS directories */
3313 RETPUSHYES; /* null file is anything */
3314 }
3315 s = tbuf;
3316 }
3317
3318 /* now scan s to look for textiness */
4633a7c4 3319 /* XXX ASCII dependent code */
a0d0e21e 3320
146174a9
CB		 3321#if defined(DOSISH) || defined(USEMYBINMODE)
3322 /* ignore trailing ^Z on short files */
3323 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3324 --len;
3325#endif
3326
a0d0e21e
LW		 3327 for (i = 0; i < len; i++, s++) {
3328 if (!*s) { /* null never allowed in text */
3329 odd += len;
3330 break;
3331 }
9d116dd7 3332#ifdef EBCDIC
301e8125 3333 else if (!(isPRINT(*s) || isSPACE(*s)))
9d116dd7
JH		 3334 odd++;
3335#else
146174a9
CB		 3336 else if (*s & 128) {
3337#ifdef USE_LOCALE
2de3dbcc 3338 if (IN_LOCALE_RUNTIME && isALPHA_LC(*s))
b3f66c68
GS		 3339 continue;
3340#endif
3341 /* utf8 characters don't count as odd */
fd400ab9 3342 if (UTF8_IS_START(*s)) {
b3f66c68
GS		 3343 int ulen = UTF8SKIP(s);
3344 if (ulen < len - i) {
3345 int j;
3346 for (j = 1; j < ulen; j++) {
fd400ab9 3347 if (!UTF8_IS_CONTINUATION(s[j]))
b3f66c68
GS		 3348 goto not_utf8;
3349 }
3350 --ulen; /* loop does extra increment */
3351 s += ulen;
3352 i += ulen;
3353 continue;
3354 }
3355 }
3356 not_utf8:
3357 odd++;
146174a9 3358 }
a0d0e21e
LW		 3359 else if (*s < 32 &&
3360 *s != '\n' && *s != '\r' && *s != '\b' &&
3361 *s != '\t' && *s != '\f' && *s != 27)
3362 odd++;
9d116dd7 3363#endif
a0d0e21e
LW		 3364 }
3365
533c011a 3366 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
a0d0e21e
LW		 3367 RETPUSHNO;
3368 else
3369 RETPUSHYES;
3370}
3371
3372PP(pp_ftbinary)
3373{
cea2e8a9 3374 return pp_fttext();
a0d0e21e
LW		 3375}
3376
3377/* File calls. */
3378
3379PP(pp_chdir)
3380{
39644a26 3381 dSP; dTARGET;
a0d0e21e
LW		 3382 char *tmps;
3383 SV **svp;
2d8e6c8d 3384 STRLEN n_a;
a0d0e21e 3385
35ae6b54
MS		 3386 if( MAXARG == 1 )
3387 tmps = POPpx;
3388 else
3389 tmps = 0;
3390
3391 if( !tmps || !*tmps ) {
3392 if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE))
3393 || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE))
491527d0 3394#ifdef VMS
35ae6b54 3395 || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE))
491527d0 3396#endif
35ae6b54
MS		 3397 )
3398 {
3399 if( MAXARG == 1 )
9014280d 3400 deprecate("chdir('') or chdir(undef) as chdir()");
35ae6b54
MS		 3401 tmps = SvPV(*svp, n_a);
3402 }
72f496dc 3403 else {
389ec635 3404 PUSHi(0);
b7ab37f8 3405 TAINT_PROPER("chdir");
389ec635
MS		 3406 RETURN;
3407 }
8ea155d1 3408 }
8ea155d1 3409
a0d0e21e 3410 TAINT_PROPER("chdir");
6ad3d225 3411 PUSHi( PerlDir_chdir(tmps) >= 0 );
748a9306
LW		 3412#ifdef VMS
3413 /* Clear the DEFAULT element of ENV so we'll get the new value
3414 * in the future. */
6b88bc9c 3415 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
748a9306 3416#endif
a0d0e21e
LW		 3417 RETURN;
3418}
3419
3420PP(pp_chown)
3421{
a0d0e21e 3422#ifdef HAS_CHOWN
76ffd3b9
IZ		 3423 dSP; dMARK; dTARGET;
3424 I32 value = (I32)apply(PL_op->op_type, MARK, SP);
3425
a0d0e21e
LW		 3426 SP = MARK;
3427 PUSHi(value);
3428 RETURN;
3429#else
0322a713 3430 DIE(aTHX_ PL_no_func, "chown");
a0d0e21e
LW		 3431#endif
3432}
3433
3434PP(pp_chroot)
3435{
a0d0e21e 3436#ifdef HAS_CHROOT
76ffd3b9 3437 dSP; dTARGET;
2d8e6c8d 3438 STRLEN n_a;
d05c1ba0 3439 char *tmps = POPpx;
a0d0e21e
LW		 3440 TAINT_PROPER("chroot");
3441 PUSHi( chroot(tmps) >= 0 );
3442 RETURN;
3443#else
cea2e8a9 3444 DIE(aTHX_ PL_no_func, "chroot");
a0d0e21e
LW		 3445#endif
3446}
3447
3448PP(pp_unlink)
3449{
39644a26 3450 dSP; dMARK; dTARGET;
a0d0e21e 3451 I32 value;
533c011a 3452 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3453 SP = MARK;
3454 PUSHi(value);
3455 RETURN;
3456}
3457
3458PP(pp_chmod)
3459{
39644a26 3460 dSP; dMARK; dTARGET;
a0d0e21e 3461 I32 value;
533c011a 3462 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3463 SP = MARK;
3464 PUSHi(value);
3465 RETURN;
3466}
3467
3468PP(pp_utime)
3469{
39644a26 3470 dSP; dMARK; dTARGET;
a0d0e21e 3471 I32 value;
533c011a 3472 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 3473 SP = MARK;
3474 PUSHi(value);
3475 RETURN;
3476}
3477
3478PP(pp_rename)
3479{
39644a26 3480 dSP; dTARGET;
a0d0e21e 3481 int anum;
2d8e6c8d 3482 STRLEN n_a;
a0d0e21e 3483
2d8e6c8d
GS		 3484 char *tmps2 = POPpx;
3485 char *tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3486 TAINT_PROPER("rename");
3487#ifdef HAS_RENAME
baed7233 3488 anum = PerlLIO_rename(tmps, tmps2);
a0d0e21e 3489#else
6b88bc9c 3490 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
ed969818
W		 3491 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3492 anum = 1;
3493 else {
3654eb6c 3494 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
ed969818
W		 3495 (void)UNLINK(tmps2);
3496 if (!(anum = link(tmps, tmps2)))
3497 anum = UNLINK(tmps);
3498 }
a0d0e21e
LW		 3499 }
3500#endif
3501 SETi( anum >= 0 );
3502 RETURN;
3503}
3504
3505PP(pp_link)
3506{
a0d0e21e 3507#ifdef HAS_LINK
370f6000 3508 dSP; dTARGET;
2d8e6c8d
GS		 3509 STRLEN n_a;
3510 char *tmps2 = POPpx;
3511 char *tmps = SvPV(TOPs, n_a);
a0d0e21e 3512 TAINT_PROPER("link");
146174a9 3513 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
65850d11 3514 RETURN;
a0d0e21e 3515#else
0322a713 3516 DIE(aTHX_ PL_no_func, "link");
a0d0e21e 3517#endif
a0d0e21e
LW		 3518}
3519
3520PP(pp_symlink)
3521{
a0d0e21e 3522#ifdef HAS_SYMLINK
9cad6237 3523 dSP; dTARGET;
2d8e6c8d
GS		 3524 STRLEN n_a;
3525 char *tmps2 = POPpx;
3526 char *tmps = SvPV(TOPs, n_a);
a0d0e21e
LW		 3527 TAINT_PROPER("symlink");
3528 SETi( symlink(tmps, tmps2) >= 0 );
3529 RETURN;
3530#else
cea2e8a9 3531 DIE(aTHX_ PL_no_func, "symlink");
a0d0e21e
LW		 3532#endif
3533}
3534
3535PP(pp_readlink)
3536{
76ffd3b9 3537 dSP;
a0d0e21e 3538#ifdef HAS_SYMLINK
76ffd3b9 3539 dTARGET;
a0d0e21e 3540 char *tmps;
46fc3d4c 3541 char buf[MAXPATHLEN];
a0d0e21e 3542 int len;
2d8e6c8d 3543 STRLEN n_a;
46fc3d4c 3544
fb73857a 3545#ifndef INCOMPLETE_TAINTS
3546 TAINT;
3547#endif
2d8e6c8d 3548 tmps = POPpx;
97dcea33 3549 len = readlink(tmps, buf, sizeof(buf) - 1);
a0d0e21e
LW		 3550 EXTEND(SP, 1);
3551 if (len < 0)
3552 RETPUSHUNDEF;
3553 PUSHp(buf, len);
3554 RETURN;
3555#else
3556 EXTEND(SP, 1);
3557 RETSETUNDEF; /* just pretend it's a normal file */
3558#endif
3559}
3560
3561#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
ba106d47 3562STATIC int
cea2e8a9 3563S_dooneliner(pTHX_ char *cmd, char *filename)
a0d0e21e 3564{
1e422769 3565 char *save_filename = filename;
3566 char *cmdline;
3567 char *s;
760ac839 3568 PerlIO *myfp;
1e422769 3569 int anum = 1;
a0d0e21e 3570
1e422769 3571 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3572 strcpy(cmdline, cmd);
3573 strcat(cmdline, " ");
3574 for (s = cmdline + strlen(cmdline); *filename; ) {
a0d0e21e
LW		 3575 *s++ = '\\';
3576 *s++ = *filename++;
3577 }
3578 strcpy(s, " 2>&1");
6ad3d225 3579 myfp = PerlProc_popen(cmdline, "r");
1e422769 3580 Safefree(cmdline);
3581
a0d0e21e 3582 if (myfp) {
1e422769 3583 SV *tmpsv = sv_newmortal();
6b88bc9c 3584 /* Need to save/restore 'PL_rs' ?? */
760ac839 3585 s = sv_gets(tmpsv, myfp, 0);
6ad3d225 3586 (void)PerlProc_pclose(myfp);
a0d0e21e 3587 if (s != Nullch) {
1e422769 3588 int e;
3589 for (e = 1;
a0d0e21e 3590#ifdef HAS_SYS_ERRLIST
1e422769 3591 e <= sys_nerr
3592#endif
3593 ; e++)
3594 {
3595 /* you don't see this */
3596 char *errmsg =
3597#ifdef HAS_SYS_ERRLIST
3598 sys_errlist[e]
a0d0e21e 3599#else
1e422769 3600 strerror(e)
a0d0e21e 3601#endif
1e422769 3602 ;
3603 if (!errmsg)
3604 break;
3605 if (instr(s, errmsg)) {
3606 SETERRNO(e,0);
3607 return 0;
3608 }
a0d0e21e 3609 }
748a9306 3610 SETERRNO(0,0);
a0d0e21e
LW		 3611#ifndef EACCES
3612#define EACCES EPERM
3613#endif
1e422769 3614 if (instr(s, "cannot make"))
93189314 3615 SETERRNO(EEXIST,RMS_FEX);
1e422769 3616 else if (instr(s, "existing file"))
93189314 3617 SETERRNO(EEXIST,RMS_FEX);
1e422769 3618 else if (instr(s, "ile exists"))
93189314 3619 SETERRNO(EEXIST,RMS_FEX);
1e422769 3620 else if (instr(s, "non-exist"))
93189314 3621 SETERRNO(ENOENT,RMS_FNF);
1e422769 3622 else if (instr(s, "does not exist"))
93189314 3623 SETERRNO(ENOENT,RMS_FNF);
1e422769 3624 else if (instr(s, "not empty"))
93189314 3625 SETERRNO(EBUSY,SS_DEVOFFLINE);
1e422769 3626 else if (instr(s, "cannot access"))
93189314 3627 SETERRNO(EACCES,RMS_PRV);
a0d0e21e 3628 else
93189314 3629 SETERRNO(EPERM,RMS_PRV);
a0d0e21e
LW		 3630 return 0;
3631 }
3632 else { /* some mkdirs return no failure indication */
6b88bc9c 3633 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
911d147d 3634 if (PL_op->op_type == OP_RMDIR)
a0d0e21e
LW		 3635 anum = !anum;
3636 if (anum)
748a9306 3637 SETERRNO(0,0);
a0d0e21e 3638 else
93189314 3639 SETERRNO(EACCES,RMS_PRV); /* a guess */
a0d0e21e
LW		 3640 }
3641 return anum;
3642 }
3643 else
3644 return 0;
3645}
3646#endif
3647
3648PP(pp_mkdir)
3649{
39644a26 3650 dSP; dTARGET;
5a211162 3651 int mode;
a0d0e21e
LW		 3652#ifndef HAS_MKDIR
3653 int oldumask;
3654#endif
df25ddba 3655 STRLEN len;
5a211162 3656 char *tmps;
df25ddba 3657 bool copy = FALSE;
5a211162
GS		 3658
3659 if (MAXARG > 1)
3660 mode = POPi;
3661 else
3662 mode = 0777;
3663
df25ddba
JH		 3664 tmps = SvPV(TOPs, len);
3665 /* Different operating and file systems take differently to
16ac3975
JH		 3666 * trailing slashes. According to POSIX 1003.1 1996 Edition
3667 * any number of trailing slashes should be allowed.
3668 * Thusly we snip them away so that even non-conforming
3669 * systems are happy. */
3670 /* We should probably do this "filtering" for all
3671 * the functions that expect (potentially) directory names:
3672 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3673 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3674 if (len > 1 && tmps[len-1] == '/') {
61439650 3675 while (tmps[len-1] == '/' && len > 1)
16ac3975
JH		 3676 len--;
3677 tmps = savepvn(tmps, len);
df25ddba
JH		 3678 copy = TRUE;
3679 }
a0d0e21e
LW		 3680
3681 TAINT_PROPER("mkdir");
3682#ifdef HAS_MKDIR
6ad3d225 3683 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
a0d0e21e
LW		 3684#else
3685 SETi( dooneliner("mkdir", tmps) );
6ad3d225
GS		 3686 oldumask = PerlLIO_umask(0);
3687 PerlLIO_umask(oldumask);
3688 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
a0d0e21e 3689#endif
df25ddba
JH		 3690 if (copy)
3691 Safefree(tmps);
a0d0e21e
LW		 3692 RETURN;
3693}
3694
3695PP(pp_rmdir)
3696{
39644a26 3697 dSP; dTARGET;
a0d0e21e 3698 char *tmps;
2d8e6c8d 3699 STRLEN n_a;
a0d0e21e 3700
2d8e6c8d 3701 tmps = POPpx;
a0d0e21e
LW		 3702 TAINT_PROPER("rmdir");
3703#ifdef HAS_RMDIR
6ad3d225 3704 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
a0d0e21e
LW		 3705#else
3706 XPUSHi( dooneliner("rmdir", tmps) );
3707#endif
3708 RETURN;
3709}
3710
3711/* Directory calls. */
3712
3713PP(pp_open_dir)
3714{
a0d0e21e 3715#if defined(Direntry_t) && defined(HAS_READDIR)
9cad6237 3716 dSP;
2d8e6c8d
GS		 3717 STRLEN n_a;
3718 char *dirname = POPpx;
1e2c6ed7
JH		 3719 GV *gv = (GV*)POPs;
3720 register IO *io = GvIOn(gv);
a0d0e21e
LW		 3721
3722 if (!io)
3723 goto nope;
3724
3725 if (IoDIRP(io))
6ad3d225
GS		 3726 PerlDir_close(IoDIRP(io));
3727 if (!(IoDIRP(io) = PerlDir_open(dirname)))
a0d0e21e
LW		 3728 goto nope;
3729
3730 RETPUSHYES;
3731nope:
3732 if (!errno)
93189314 3733 SETERRNO(EBADF,RMS_DIR);
a0d0e21e
LW		 3734 RETPUSHUNDEF;
3735#else
cea2e8a9 3736 DIE(aTHX_ PL_no_dir_func, "opendir");
a0d0e21e
LW		 3737#endif
3738}
3739
3740PP(pp_readdir)
3741{
a0d0e21e 3742#if defined(Direntry_t) && defined(HAS_READDIR)
9cad6237 3743 dSP;
fd8cd3a3 3744#if !defined(I_DIRENT) && !defined(VMS)
20ce7b12 3745 Direntry_t *readdir (DIR *);
a0d0e21e
LW		 3746#endif
3747 register Direntry_t *dp;
3748 GV *gv = (GV*)POPs;
3749 register IO *io = GvIOn(gv);
fb73857a 3750 SV *sv;
a0d0e21e
LW		 3751
3752 if (!io || !IoDIRP(io))
3753 goto nope;
3754
3755 if (GIMME == G_ARRAY) {
3756 /*SUPPRESS 560*/
155aba94 3757 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
a0d0e21e 3758#ifdef DIRNAMLEN
79cb57f6 3759 sv = newSVpvn(dp->d_name, dp->d_namlen);
a0d0e21e 3760#else
fb73857a 3761 sv = newSVpv(dp->d_name, 0);
3762#endif
3763#ifndef INCOMPLETE_TAINTS
26fb8f1f
GS		 3764 if (!(IoFLAGS(io) & IOf_UNTAINT))
3765 SvTAINTED_on(sv);
a0d0e21e 3766#endif
fb73857a 3767 XPUSHs(sv_2mortal(sv));
a0d0e21e
LW		 3768 }
3769 }
3770 else {
6ad3d225 3771 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
a0d0e21e
LW		 3772 goto nope;
3773#ifdef DIRNAMLEN
79cb57f6 3774 sv = newSVpvn(dp->d_name, dp->d_namlen);
a0d0e21e 3775#else
fb73857a 3776 sv = newSVpv(dp->d_name, 0);
a0d0e21e 3777#endif
fb73857a 3778#ifndef INCOMPLETE_TAINTS
26fb8f1f
GS		 3779 if (!(IoFLAGS(io) & IOf_UNTAINT))
3780 SvTAINTED_on(sv);
fb73857a 3781#endif
3782 XPUSHs(sv_2mortal(sv));
a0d0e21e
LW		 3783 }
3784 RETURN;
3785
3786nope:
3787 if (!errno)
93189314 3788 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3789 if (GIMME == G_ARRAY)
3790 RETURN;
3791 else
3792 RETPUSHUNDEF;
3793#else
cea2e8a9 3794 DIE(aTHX_ PL_no_dir_func, "readdir");
a0d0e21e
LW		 3795#endif
3796}
3797
3798PP(pp_telldir)
3799{
a0d0e21e 3800#if defined(HAS_TELLDIR) || defined(telldir)
9cad6237 3801 dSP; dTARGET;
968dcd91
JH		 3802 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3803 /* XXX netbsd still seemed to.
3804 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3805 --JHI 1999-Feb-02 */
3806# if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
20ce7b12 3807 long telldir (DIR *);
dfe9444c 3808# endif
a0d0e21e
LW		 3809 GV *gv = (GV*)POPs;
3810 register IO *io = GvIOn(gv);
3811
3812 if (!io || !IoDIRP(io))
3813 goto nope;
3814
6ad3d225 3815 PUSHi( PerlDir_tell(IoDIRP(io)) );
a0d0e21e
LW		 3816 RETURN;
3817nope:
3818 if (!errno)
93189314 3819 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3820 RETPUSHUNDEF;
3821#else
cea2e8a9 3822 DIE(aTHX_ PL_no_dir_func, "telldir");
a0d0e21e
LW		 3823#endif
3824}
3825
3826PP(pp_seekdir)
3827{
a0d0e21e 3828#if defined(HAS_SEEKDIR) || defined(seekdir)
9cad6237 3829 dSP;
a0d0e21e
LW		 3830 long along = POPl;
3831 GV *gv = (GV*)POPs;
3832 register IO *io = GvIOn(gv);
3833
3834 if (!io || !IoDIRP(io))
3835 goto nope;
3836
6ad3d225 3837 (void)PerlDir_seek(IoDIRP(io), along);
a0d0e21e
LW		 3838
3839 RETPUSHYES;
3840nope:
3841 if (!errno)
93189314 3842 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3843 RETPUSHUNDEF;
3844#else
cea2e8a9 3845 DIE(aTHX_ PL_no_dir_func, "seekdir");
a0d0e21e
LW		 3846#endif
3847}
3848
3849PP(pp_rewinddir)
3850{
a0d0e21e 3851#if defined(HAS_REWINDDIR) || defined(rewinddir)
9cad6237 3852 dSP;
a0d0e21e
LW		 3853 GV *gv = (GV*)POPs;
3854 register IO *io = GvIOn(gv);
3855
3856 if (!io || !IoDIRP(io))
3857 goto nope;
3858
6ad3d225 3859 (void)PerlDir_rewind(IoDIRP(io));
a0d0e21e
LW		 3860 RETPUSHYES;
3861nope:
3862 if (!errno)
93189314 3863 SETERRNO(EBADF,RMS_ISI);
a0d0e21e
LW		 3864 RETPUSHUNDEF;
3865#else
cea2e8a9 3866 DIE(aTHX_ PL_no_dir_func, "rewinddir");
a0d0e21e
LW		 3867#endif
3868}
3869
3870PP(pp_closedir)
3871{
a0d0e21e 3872#if defined(Direntry_t) && defined(HAS_READDIR)
9cad6237 3873 dSP;
a0d0e21e
LW		 3874 GV *gv = (GV*)POPs;
3875 register IO *io = GvIOn(gv);
3876
3877 if (!io || !IoDIRP(io))
3878 goto nope;
3879
3880#ifdef VOID_CLOSEDIR
6ad3d225 3881 PerlDir_close(IoDIRP(io));
a0d0e21e 3882#else
6ad3d225 3883 if (PerlDir_close(IoDIRP(io)) < 0) {
748a9306 3884 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
a0d0e21e 3885 goto nope;
748a9306 3886 }
a0d0e21e
LW		 3887#endif
3888 IoDIRP(io) = 0;
3889
3890 RETPUSHYES;
3891nope:
3892 if (!errno)
93189314 3893 SETERRNO(EBADF,RMS_IFI);
a0d0e21e
LW		 3894 RETPUSHUNDEF;
3895#else
cea2e8a9 3896 DIE(aTHX_ PL_no_dir_func, "closedir");
a0d0e21e
LW		 3897#endif
3898}
3899
3900/* Process control. */
3901
3902PP(pp_fork)
3903{
44a8e56a 3904#ifdef HAS_FORK
39644a26 3905 dSP; dTARGET;
761237fe 3906 Pid_t childpid;
a0d0e21e
LW		 3907 GV *tmpgv;
3908
3909 EXTEND(SP, 1);
45bc9206 3910 PERL_FLUSHALL_FOR_CHILD;
52e18b1f 3911 childpid = PerlProc_fork();
a0d0e21e
LW		 3912 if (childpid < 0)
3913 RETSETUNDEF;
3914 if (!childpid) {
3915 /*SUPPRESS 560*/
306196c3
MS		 3916 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) {
3917 SvREADONLY_off(GvSV(tmpgv));
146174a9 3918 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
306196c3
MS		 3919 SvREADONLY_on(GvSV(tmpgv));
3920 }
4d76a344
RGS		 3921#ifdef THREADS_HAVE_PIDS
3922 PL_ppid = (IV)getppid();
3923#endif
3280af22 3924 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
a0d0e21e
LW		 3925 }
3926 PUSHi(childpid);
3927 RETURN;
3928#else
146174a9 3929# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
39644a26 3930 dSP; dTARGET;
146174a9
CB		 3931 Pid_t childpid;
3932
3933 EXTEND(SP, 1);
3934 PERL_FLUSHALL_FOR_CHILD;
3935 childpid = PerlProc_fork();
60fa28ff
GS		 3936 if (childpid == -1)
3937 RETSETUNDEF;
146174a9
CB		 3938 PUSHi(childpid);
3939 RETURN;
3940# else
0322a713 3941 DIE(aTHX_ PL_no_func, "fork");
146174a9 3942# endif
a0d0e21e
LW		 3943#endif
3944}
3945
3946PP(pp_wait)
3947{
301e8125 3948#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
39644a26 3949 dSP; dTARGET;
761237fe 3950 Pid_t childpid;
a0d0e21e 3951 int argflags;
a0d0e21e 3952
0a0ada86 3953#ifdef PERL_OLD_SIGNALS
44a8e56a 3954 childpid = wait4pid(-1, &argflags, 0);
0a0ada86
NIS		 3955#else
3956 while ((childpid = wait4pid(-1, &argflags, 0)) == -1 && errno == EINTR) {
3957 PERL_ASYNC_CHECK();
3958 }
3959#endif
68a29c53
GS		 3960# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3961 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3962 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3963# else
f86702cc 3964 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
68a29c53 3965# endif
44a8e56a 3966 XPUSHi(childpid);
a0d0e21e
LW		 3967 RETURN;
3968#else
0322a713 3969 DIE(aTHX_ PL_no_func, "wait");
a0d0e21e
LW		 3970#endif
3971}
3972
3973PP(pp_waitpid)
3974{
301e8125 3975#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
39644a26 3976 dSP; dTARGET;
761237fe 3977 Pid_t childpid;
a0d0e21e
LW		 3978 int optype;
3979 int argflags;
a0d0e21e 3980
a0d0e21e
LW		 3981 optype = POPi;
3982 childpid = TOPi;
0a0ada86 3983#ifdef PERL_OLD_SIGNALS
a0d0e21e 3984 childpid = wait4pid(childpid, &argflags, optype);
0a0ada86
NIS		 3985#else
3986 while ((childpid = wait4pid(childpid, &argflags, optype)) == -1 && errno == EINTR) {
3987 PERL_ASYNC_CHECK();
3988 }
3989#endif
68a29c53
GS		 3990# if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3991 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
3992 STATUS_NATIVE_SET((childpid && childpid != -1) ? argflags : -1);
3993# else
f86702cc 3994 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
68a29c53 3995# endif
44a8e56a 3996 SETi(childpid);
a0d0e21e
LW		 3997 RETURN;
3998#else
0322a713 3999 DIE(aTHX_ PL_no_func, "waitpid");
a0d0e21e
LW		 4000#endif
4001}
4002
4003PP(pp_system)
4004{
39644a26 4005 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e 4006 I32 value;
2d8e6c8d 4007 STRLEN n_a;
76ffd3b9 4008 int result;
e7766f89 4009 I32 did_pipes = 0;
a0d0e21e 4010
bbd7eb8a
RD		 4011 if (PL_tainting) {
4012 TAINT_ENV();
4013 while (++MARK <= SP) {
4014 (void)SvPV_nolen(*MARK); /* stringify for taint check */
5a445156 4015 if (PL_tainted)
bbd7eb8a
RD		 4016 break;
4017 }
4018 MARK = ORIGMARK;
5a445156 4019 TAINT_PROPER("system");
a0d0e21e 4020 }
45bc9206 4021 PERL_FLUSHALL_FOR_CHILD;
273b0206 4022#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO)
d7e492a4 4023 {
eb160463
GS		 4024 Pid_t childpid;
4025 int pp[2];
4026
4027 if (PerlProc_pipe(pp) >= 0)
4028 did_pipes = 1;
4029 while ((childpid = PerlProc_fork()) == -1) {
4030 if (errno != EAGAIN) {
4031 value = -1;
4032 SP = ORIGMARK;
4033 PUSHi(value);
4034 if (did_pipes) {
4035 PerlLIO_close(pp[0]);
4036 PerlLIO_close(pp[1]);
4037 }
4038 RETURN;
4039 }
4040 sleep(5);
4041 }
4042 if (childpid > 0) {
4043 Sigsave_t ihand,qhand; /* place to save signals during system() */
4044 int status;
4045
4046 if (did_pipes)
4047 PerlLIO_close(pp[1]);
64ca3a65 4048#ifndef PERL_MICRO
eb160463
GS		 4049 rsignal_save(SIGINT, SIG_IGN, &ihand);
4050 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
64ca3a65 4051#endif
eb160463
GS		 4052 do {
4053 result = wait4pid(childpid, &status, 0);
4054 } while (result == -1 && errno == EINTR);
64ca3a65 4055#ifndef PERL_MICRO
eb160463
GS		 4056 (void)rsignal_restore(SIGINT, &ihand);
4057 (void)rsignal_restore(SIGQUIT, &qhand);
4058#endif
4059 STATUS_NATIVE_SET(result == -1 ? -1 : status);
4060 do_execfree(); /* free any memory child malloced on fork */
4061 SP = ORIGMARK;
4062 if (did_pipes) {
4063 int errkid;
4064 int n = 0, n1;
4065
4066 while (n < sizeof(int)) {
4067 n1 = PerlLIO_read(pp[0],
4068 (void*)(((char*)&errkid)+n),
4069 (sizeof(int)) - n);
4070 if (n1 <= 0)
4071 break;
4072 n += n1;
4073 }
4074 PerlLIO_close(pp[0]);
4075 if (n) { /* Error */
4076 if (n != sizeof(int))
4077 DIE(aTHX_ "panic: kid popen errno read");
4078 errno = errkid; /* Propagate errno from kid */
4079 STATUS_CURRENT = -1;
4080 }
4081 }
4082 PUSHi(STATUS_CURRENT);
4083 RETURN;
4084 }
4085 if (did_pipes) {
4086 PerlLIO_close(pp[0]);
d5a9bfb0 4087#if defined(HAS_FCNTL) && defined(F_SETFD)
eb160463 4088 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
d5a9bfb0 4089#endif
eb160463 4090 }
e0a1f643
JH		 4091 if (PL_op->op_flags & OPf_STACKED) {
4092 SV *really = *++MARK;
4093 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4094 }
4095 else if (SP - MARK != 1)
4096 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
4097 else {
4098 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
4099 }
4100 PerlProc__exit(-1);
d5a9bfb0 4101 }
c3293030 4102#else /* ! FORK or VMS or OS/2 */
922b1888
GS		 4103 PL_statusvalue = 0;
4104 result = 0;
911d147d 4105 if (PL_op->op_flags & OPf_STACKED) {
a0d0e21e 4106 SV *really = *++MARK;
54725af6
GS		 4107# ifdef WIN32
4108 value = (I32)do_aspawn(really, MARK, SP);
4109# else
c5be433b 4110 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
54725af6 4111# endif
a0d0e21e 4112 }
54725af6
GS		 4113 else if (SP - MARK != 1) {
4114# ifdef WIN32
4115 value = (I32)do_aspawn(Nullsv, MARK, SP);
4116# else
c5be433b 4117 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
54725af6
GS		 4118# endif
4119 }
a0d0e21e 4120 else {
c5be433b 4121 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
a0d0e21e 4122 }
922b1888
GS		 4123 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4124 result = 1;
f86702cc 4125 STATUS_NATIVE_SET(value);
a0d0e21e
LW		 4126 do_execfree();
4127 SP = ORIGMARK;
922b1888 4128 PUSHi(result ? value : STATUS_CURRENT);
a0d0e21e
LW		 4129#endif /* !FORK or VMS */
4130 RETURN;
4131}
4132
4133PP(pp_exec)
4134{
39644a26 4135 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e 4136 I32 value;
2d8e6c8d 4137 STRLEN n_a;
a0d0e21e 4138
bbd7eb8a
RD		 4139 if (PL_tainting) {
4140 TAINT_ENV();
4141 while (++MARK <= SP) {
4142 (void)SvPV_nolen(*MARK); /* stringify for taint check */
5a445156 4143 if (PL_tainted)
bbd7eb8a
RD		 4144 break;
4145 }
4146 MARK = ORIGMARK;
5a445156 4147 TAINT_PROPER("exec");
bbd7eb8a 4148 }
45bc9206 4149 PERL_FLUSHALL_FOR_CHILD;
533c011a 4150 if (PL_op->op_flags & OPf_STACKED) {
a0d0e21e
LW		 4151 SV *really = *++MARK;
4152 value = (I32)do_aexec(really, MARK, SP);
4153 }
4154 else if (SP - MARK != 1)
4155#ifdef VMS
4156 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
4157#else
092bebab
JH		 4158# ifdef __OPEN_VM
4159 {
c5be433b 4160 (void ) do_aspawn(Nullsv, MARK, SP);
092bebab
JH		 4161 value = 0;
4162 }
4163# else
a0d0e21e 4164 value = (I32)do_aexec(Nullsv, MARK, SP);
092bebab 4165# endif
a0d0e21e
LW		 4166#endif
4167 else {
a0d0e21e 4168#ifdef VMS
2d8e6c8d 4169 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
a0d0e21e 4170#else
092bebab 4171# ifdef __OPEN_VM
c5be433b 4172 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
092bebab
JH		 4173 value = 0;
4174# else
2d8e6c8d 4175 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
092bebab 4176# endif
a0d0e21e
LW		 4177#endif
4178 }
146174a9 4179
a0d0e21e
LW		 4180 SP = ORIGMARK;
4181 PUSHi(value);
4182 RETURN;
4183}
4184
4185PP(pp_kill)
4186{
9cad6237 4187#ifdef HAS_KILL
39644a26 4188 dSP; dMARK; dTARGET;
a0d0e21e 4189 I32 value;
533c011a 4190 value = (I32)apply(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 4191 SP = MARK;
4192 PUSHi(value);
4193 RETURN;
4194#else
0322a713 4195 DIE(aTHX_ PL_no_func, "kill");
a0d0e21e
LW		 4196#endif
4197}
4198
4199PP(pp_getppid)
4200{
4201#ifdef HAS_GETPPID
39644a26 4202 dSP; dTARGET;
4d76a344
RGS		 4203# ifdef THREADS_HAVE_PIDS
4204 XPUSHi( PL_ppid );
4205# else
a0d0e21e 4206 XPUSHi( getppid() );
4d76a344 4207# endif
a0d0e21e
LW		 4208 RETURN;
4209#else
cea2e8a9 4210 DIE(aTHX_ PL_no_func, "getppid");
a0d0e21e
LW		 4211#endif
4212}
4213
4214PP(pp_getpgrp)
4215{
4216#ifdef HAS_GETPGRP
39644a26 4217 dSP; dTARGET;
d8a83dd3 4218 Pid_t pid;
9853a804 4219 Pid_t pgrp;
a0d0e21e
LW		 4220
4221 if (MAXARG < 1)
4222 pid = 0;
4223 else
4224 pid = SvIVx(POPs);
c3293030 4225#ifdef BSD_GETPGRP
9853a804 4226 pgrp = (I32)BSD_GETPGRP(pid);
a0d0e21e 4227#else
146174a9 4228 if (pid != 0 && pid != PerlProc_getpid())
cea2e8a9 4229 DIE(aTHX_ "POSIX getpgrp can't take an argument");
9853a804 4230 pgrp = getpgrp();
a0d0e21e 4231#endif
9853a804 4232 XPUSHi(pgrp);
a0d0e21e
LW		 4233 RETURN;
4234#else
cea2e8a9 4235 DIE(aTHX_ PL_no_func, "getpgrp()");
a0d0e21e
LW		 4236#endif
4237}
4238
4239PP(pp_setpgrp)
4240{
4241#ifdef HAS_SETPGRP
39644a26 4242 dSP; dTARGET;
d8a83dd3
JH		 4243 Pid_t pgrp;
4244 Pid_t pid;
a0d0e21e
LW		 4245 if (MAXARG < 2) {
4246 pgrp = 0;
4247 pid = 0;
4248 }
4249 else {
4250 pgrp = POPi;
4251 pid = TOPi;
4252 }
4253
4254 TAINT_PROPER("setpgrp");
c3293030
IZ		 4255#ifdef BSD_SETPGRP
4256 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
a0d0e21e 4257#else
146174a9
CB		 4258 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4259 || (pid != 0 && pid != PerlProc_getpid()))
4260 {
4261 DIE(aTHX_ "setpgrp can't take arguments");
4262 }
a0d0e21e
LW		 4263 SETi( setpgrp() >= 0 );
4264#endif /* USE_BSDPGRP */
4265 RETURN;
4266#else
cea2e8a9 4267 DIE(aTHX_ PL_no_func, "setpgrp()");
a0d0e21e
LW		 4268#endif
4269}
4270
4271PP(pp_getpriority)
4272{
a0d0e21e 4273#ifdef HAS_GETPRIORITY
9cad6237 4274 dSP; dTARGET;
d05c1ba0
JH		 4275 int who = POPi;
4276 int which = TOPi;
a0d0e21e
LW		 4277 SETi( getpriority(which, who) );
4278 RETURN;
4279#else
cea2e8a9 4280 DIE(aTHX_ PL_no_func, "getpriority()");
a0d0e21e
LW		 4281#endif
4282}
4283
4284PP(pp_setpriority)
4285{
a0d0e21e 4286#ifdef HAS_SETPRIORITY
9cad6237 4287 dSP; dTARGET;
d05c1ba0
JH		 4288 int niceval = POPi;
4289 int who = POPi;
4290 int which = TOPi;
a0d0e21e
LW		 4291 TAINT_PROPER("setpriority");
4292 SETi( setpriority(which, who, niceval) >= 0 );
4293 RETURN;
4294#else
cea2e8a9 4295 DIE(aTHX_ PL_no_func, "setpriority()");
a0d0e21e
LW		 4296#endif
4297}
4298
4299/* Time calls. */
4300
4301PP(pp_time)
4302{
39644a26 4303 dSP; dTARGET;
cbdc8872 4304#ifdef BIG_TIME
4305 XPUSHn( time(Null(Time_t*)) );
4306#else
a0d0e21e 4307 XPUSHi( time(Null(Time_t*)) );
cbdc8872 4308#endif
a0d0e21e
LW		 4309 RETURN;
4310}
4311
a0d0e21e
LW		 4312PP(pp_tms)
4313{
9cad6237 4314#ifdef HAS_TIMES
39644a26 4315 dSP;
a0d0e21e 4316 EXTEND(SP, 4);
a0d0e21e 4317#ifndef VMS
3280af22 4318 (void)PerlProc_times(&PL_timesbuf);
a0d0e21e 4319#else
6b88bc9c 4320 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
76e3520e
GS		 4321 /* struct tms, though same data */
4322 /* is returned. */
a0d0e21e
LW		 4323#endif
4324
5311654c 4325 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick)));
a0d0e21e 4326 if (GIMME == G_ARRAY) {
5311654c
JH		 4327 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick)));
4328 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick)));
4329 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick)));
a0d0e21e
LW		 4330 }
4331 RETURN;
9cad6237
JH		 4332#else
4333 DIE(aTHX_ "times not implemented");
55497cff 4334#endif /* HAS_TIMES */
a0d0e21e
LW		 4335}
4336
4337PP(pp_localtime)
4338{
cea2e8a9 4339 return pp_gmtime();
a0d0e21e
LW		 4340}
4341
4342PP(pp_gmtime)
4343{
39644a26 4344 dSP;
a0d0e21e
LW		 4345 Time_t when;
4346 struct tm *tmbuf;
4347 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4348 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4349 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4350
4351 if (MAXARG < 1)
4352 (void)time(&when);
4353 else
cbdc8872 4354#ifdef BIG_TIME
4355 when = (Time_t)SvNVx(POPs);
4356#else
a0d0e21e 4357 when = (Time_t)SvIVx(POPs);
cbdc8872 4358#endif
a0d0e21e 4359
533c011a 4360 if (PL_op->op_type == OP_LOCALTIME)
a0d0e21e
LW		 4361 tmbuf = localtime(&when);
4362 else
4363 tmbuf = gmtime(&when);
4364
a0d0e21e 4365 if (GIMME != G_ARRAY) {
46fc3d4c 4366 SV *tsv;
9a5ff6d9
AB		 4367 EXTEND(SP, 1);
4368 EXTEND_MORTAL(1);
a0d0e21e
LW		 4369 if (!tmbuf)
4370 RETPUSHUNDEF;
be28567c 4371 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
f5a29b03
RB		 4372 dayname[tmbuf->tm_wday],
4373 monname[tmbuf->tm_mon],
be28567c
GS		 4374 tmbuf->tm_mday,
4375 tmbuf->tm_hour,
4376 tmbuf->tm_min,
4377 tmbuf->tm_sec,
4378 tmbuf->tm_year + 1900);
46fc3d4c 4379 PUSHs(sv_2mortal(tsv));
a0d0e21e
LW		 4380 }
4381 else if (tmbuf) {
9a5ff6d9
AB		 4382 EXTEND(SP, 9);
4383 EXTEND_MORTAL(9);
4384 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
c6419e06
JH		 4385 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4386 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4387 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4388 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4389 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4390 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4391 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4392 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
a0d0e21e
LW		 4393 }
4394 RETURN;
4395}
4396
4397PP(pp_alarm)
4398{
9cad6237 4399#ifdef HAS_ALARM
39644a26 4400 dSP; dTARGET;
a0d0e21e 4401 int anum;
a0d0e21e
LW		 4402 anum = POPi;
4403 anum = alarm((unsigned int)anum);
4404 EXTEND(SP, 1);
4405 if (anum < 0)
4406 RETPUSHUNDEF;
c6419e06 4407 PUSHi(anum);
a0d0e21e
LW		 4408 RETURN;
4409#else
0322a713 4410 DIE(aTHX_ PL_no_func, "alarm");
a0d0e21e
LW		 4411#endif
4412}
4413
4414PP(pp_sleep)
4415{
39644a26 4416 dSP; dTARGET;
a0d0e21e
LW		 4417 I32 duration;
4418 Time_t lasttime;
4419 Time_t when;
4420
4421 (void)time(&lasttime);
4422 if (MAXARG < 1)
76e3520e 4423 PerlProc_pause();
a0d0e21e
LW		 4424 else {
4425 duration = POPi;
76e3520e 4426 PerlProc_sleep((unsigned int)duration);
a0d0e21e
LW		 4427 }
4428 (void)time(&when);
4429 XPUSHi(when - lasttime);
4430 RETURN;
4431}
4432
4433/* Shared memory. */
4434
4435PP(pp_shmget)
4436{
cea2e8a9 4437 return pp_semget();
a0d0e21e
LW		 4438}
4439
4440PP(pp_shmctl)
4441{
cea2e8a9 4442 return pp_semctl();
a0d0e21e
LW		 4443}
4444
4445PP(pp_shmread)
4446{
cea2e8a9 4447 return pp_shmwrite();
a0d0e21e
LW		 4448}
4449
4450PP(pp_shmwrite)
4451{
4452#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4453 dSP; dMARK; dTARGET;
533c011a 4454 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
a0d0e21e
LW		 4455 SP = MARK;
4456 PUSHi(value);
4457 RETURN;
4458#else
cea2e8a9 4459 return pp_semget();
a0d0e21e
LW		 4460#endif
4461}
4462
4463/* Message passing. */
4464
4465PP(pp_msgget)
4466{
cea2e8a9 4467 return pp_semget();
a0d0e21e
LW		 4468}
4469
4470PP(pp_msgctl)
4471{
cea2e8a9 4472 return pp_semctl();
a0d0e21e
LW		 4473}
4474
4475PP(pp_msgsnd)
4476{
4477#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4478 dSP; dMARK; dTARGET;
a0d0e21e
LW		 4479 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4480 SP = MARK;
4481 PUSHi(value);
4482 RETURN;
4483#else
cea2e8a9 4484 return pp_semget();
a0d0e21e
LW		 4485#endif
4486}
4487
4488PP(pp_msgrcv)
4489{
4490#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4491 dSP; dMARK; dTARGET;
a0d0e21e
LW		 4492 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4493 SP = MARK;
4494 PUSHi(value);
4495 RETURN;
4496#else
cea2e8a9 4497 return pp_semget();
a0d0e21e
LW		 4498#endif
4499}
4500
4501/* Semaphores. */
4502
4503PP(pp_semget)
4504{
4505#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4506 dSP; dMARK; dTARGET;
533c011a 4507 int anum = do_ipcget(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 4508 SP = MARK;
4509 if (anum == -1)
4510 RETPUSHUNDEF;
4511 PUSHi(anum);
4512 RETURN;
4513#else
cea2e8a9 4514 DIE(aTHX_ "System V IPC is not implemented on this machine");
a0d0e21e
LW		 4515#endif
4516}
4517
4518PP(pp_semctl)
4519{
4520#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4521 dSP; dMARK; dTARGET;
533c011a 4522 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
a0d0e21e
LW		 4523 SP = MARK;
4524 if (anum == -1)
4525 RETSETUNDEF;
4526 if (anum != 0) {
4527 PUSHi(anum);
4528 }
4529 else {
8903cb82 4530 PUSHp(zero_but_true, ZBTLEN);
a0d0e21e
LW		 4531 }
4532 RETURN;
4533#else
cea2e8a9 4534 return pp_semget();
a0d0e21e
LW		 4535#endif
4536}
4537
4538PP(pp_semop)
4539{
4540#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
39644a26 4541 dSP; dMARK; dTARGET;
a0d0e21e
LW		 4542 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4543 SP = MARK;
4544 PUSHi(value);
4545 RETURN;
4546#else
cea2e8a9 4547 return pp_semget();
a0d0e21e
LW		 4548#endif
4549}
4550
4551/* Get system info. */
4552
4553PP(pp_ghbyname)
4554{
693762b4 4555#ifdef HAS_GETHOSTBYNAME
cea2e8a9 4556 return pp_ghostent();
a0d0e21e 4557#else
cea2e8a9 4558 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
a0d0e21e
LW		 4559#endif
4560}
4561
4562PP(pp_ghbyaddr)
4563{
693762b4 4564#ifdef HAS_GETHOSTBYADDR
cea2e8a9 4565 return pp_ghostent();
a0d0e21e 4566#else
cea2e8a9 4567 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
a0d0e21e
LW		 4568#endif
4569}
4570
4571PP(pp_ghostent)
4572{
693762b4 4573#if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
9cad6237 4574 dSP;
533c011a 4575 I32 which = PL_op->op_type;
a0d0e21e
LW		 4576 register char **elem;
4577 register SV *sv;
dc45a647 4578#ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4579 struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4580 struct hostent *gethostbyname(Netdb_name_t);
4581 struct hostent *gethostent(void);
a0d0e21e
LW		 4582#endif
4583 struct hostent *hent;
4584 unsigned long len;
2d8e6c8d 4585 STRLEN n_a;
a0d0e21e
LW		 4586
4587 EXTEND(SP, 10);
edd309b7 4588 if (which == OP_GHBYNAME) {
dc45a647 4589#ifdef HAS_GETHOSTBYNAME
edd309b7
JH		 4590 char* name = POPpbytex;
4591 hent = PerlSock_gethostbyname(name);
dc45a647 4592#else
cea2e8a9 4593 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
dc45a647 4594#endif
edd309b7 4595 }
a0d0e21e 4596 else if (which == OP_GHBYADDR) {
dc45a647 4597#ifdef HAS_GETHOSTBYADDR
a0d0e21e 4598 int addrtype = POPi;
748a9306 4599 SV *addrsv = POPs;
a0d0e21e 4600 STRLEN addrlen;
595ae481 4601 Netdb_host_t addr = (Netdb_host_t) SvPVbyte(addrsv, addrlen);
a0d0e21e 4602
4599a1de 4603 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
dc45a647 4604#else
cea2e8a9 4605 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
dc45a647 4606#endif
a0d0e21e
LW		 4607 }
4608 else
4609#ifdef HAS_GETHOSTENT
6ad3d225 4610 hent = PerlSock_gethostent();
a0d0e21e 4611#else
cea2e8a9 4612 DIE(aTHX_ PL_no_sock_func, "gethostent");
a0d0e21e
LW		 4613#endif
4614
4615#ifdef HOST_NOT_FOUND
10bc17b6
JH		 4616 if (!hent) {
4617#ifdef USE_REENTRANT_API
4618# ifdef USE_GETHOSTENT_ERRNO
4619 h_errno = PL_reentrant_buffer->_gethostent_errno;
4620# endif
4621#endif
4622 STATUS_NATIVE_SET(h_errno);
4623 }
a0d0e21e
LW		 4624#endif
4625
4626 if (GIMME != G_ARRAY) {
4627 PUSHs(sv = sv_newmortal());
4628 if (hent) {
4629 if (which == OP_GHBYNAME) {
fd0af264 4630 if (hent->h_addr)
4631 sv_setpvn(sv, hent->h_addr, hent->h_length);
a0d0e21e
LW		 4632 }
4633 else
4634 sv_setpv(sv, (char*)hent->h_name);
4635 }
4636 RETURN;
4637 }
4638
4639 if (hent) {
3280af22 4640 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4641 sv_setpv(sv, (char*)hent->h_name);
3280af22 4642 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 4643 for (elem = hent->h_aliases; elem && *elem; elem++) {
4644 sv_catpv(sv, *elem);
4645 if (elem[1])
4646 sv_catpvn(sv, " ", 1);
4647 }
3280af22 4648 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4649 sv_setiv(sv, (IV)hent->h_addrtype);
3280af22 4650 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4651 len = hent->h_length;
1e422769 4652 sv_setiv(sv, (IV)len);
a0d0e21e
LW		 4653#ifdef h_addr
4654 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3280af22 4655 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 4656 sv_setpvn(sv, *elem, len);
4657 }
4658#else
6b88bc9c 4659 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
fd0af264 4660 if (hent->h_addr)
4661 sv_setpvn(sv, hent->h_addr, len);
a0d0e21e
LW		 4662#endif /* h_addr */
4663 }
4664 RETURN;
4665#else
cea2e8a9 4666 DIE(aTHX_ PL_no_sock_func, "gethostent");
a0d0e21e
LW		 4667#endif
4668}
4669
4670PP(pp_gnbyname)
4671{
693762b4 4672#ifdef HAS_GETNETBYNAME
cea2e8a9 4673 return pp_gnetent();
a0d0e21e 4674#else
cea2e8a9 4675 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
a0d0e21e
LW		 4676#endif
4677}
4678
4679PP(pp_gnbyaddr)
4680{
693762b4 4681#ifdef HAS_GETNETBYADDR
cea2e8a9 4682 return pp_gnetent();
a0d0e21e 4683#else
cea2e8a9 4684 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
a0d0e21e
LW		 4685#endif
4686}
4687
4688PP(pp_gnetent)
4689{
693762b4 4690#if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
9cad6237 4691 dSP;
533c011a 4692 I32 which = PL_op->op_type;
a0d0e21e
LW		 4693 register char **elem;
4694 register SV *sv;
dc45a647 4695#ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4696 struct netent *getnetbyaddr(Netdb_net_t, int);
4697 struct netent *getnetbyname(Netdb_name_t);
4698 struct netent *getnetent(void);
8ac85365 4699#endif
a0d0e21e 4700 struct netent *nent;
2d8e6c8d 4701 STRLEN n_a;
a0d0e21e 4702
edd309b7 4703 if (which == OP_GNBYNAME){
dc45a647 4704#ifdef HAS_GETNETBYNAME
edd309b7
JH		 4705 char *name = POPpbytex;
4706 nent = PerlSock_getnetbyname(name);
dc45a647 4707#else
cea2e8a9 4708 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
dc45a647 4709#endif
edd309b7 4710 }
a0d0e21e 4711 else if (which == OP_GNBYADDR) {
dc45a647 4712#ifdef HAS_GETNETBYADDR
a0d0e21e 4713 int addrtype = POPi;
3bb7c1b4 4714 Netdb_net_t addr = (Netdb_net_t) (U32)POPu;
76e3520e 4715 nent = PerlSock_getnetbyaddr(addr, addrtype);
dc45a647 4716#else
cea2e8a9 4717 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
dc45a647 4718#endif
a0d0e21e
LW		 4719 }
4720 else
dc45a647 4721#ifdef HAS_GETNETENT
76e3520e 4722 nent = PerlSock_getnetent();
dc45a647 4723#else
cea2e8a9 4724 DIE(aTHX_ PL_no_sock_func, "getnetent");
dc45a647 4725#endif
a0d0e21e 4726
10bc17b6
JH		 4727#ifdef HOST_NOT_FOUND
4728 if (!nent) {
4729#ifdef USE_REENTRANT_API
4730# ifdef USE_GETNETENT_ERRNO
4731 h_errno = PL_reentrant_buffer->_getnetent_errno;
4732# endif
4733#endif
4734 STATUS_NATIVE_SET(h_errno);
4735 }
4736#endif
4737
a0d0e21e
LW		 4738 EXTEND(SP, 4);
4739 if (GIMME != G_ARRAY) {
4740 PUSHs(sv = sv_newmortal());
4741 if (nent) {
4742 if (which == OP_GNBYNAME)
1e422769 4743 sv_setiv(sv, (IV)nent->n_net);
a0d0e21e
LW		 4744 else
4745 sv_setpv(sv, nent->n_name);
4746 }
4747 RETURN;
4748 }
4749
4750 if (nent) {
3280af22 4751 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4752 sv_setpv(sv, nent->n_name);
3280af22 4753 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
c90c0ff4 4754 for (elem = nent->n_aliases; elem && *elem; elem++) {
a0d0e21e
LW		 4755 sv_catpv(sv, *elem);
4756 if (elem[1])
4757 sv_catpvn(sv, " ", 1);
4758 }
3280af22 4759 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4760 sv_setiv(sv, (IV)nent->n_addrtype);
3280af22 4761 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4762 sv_setiv(sv, (IV)nent->n_net);
a0d0e21e
LW		 4763 }
4764
4765 RETURN;
4766#else
cea2e8a9 4767 DIE(aTHX_ PL_no_sock_func, "getnetent");
a0d0e21e
LW		 4768#endif
4769}
4770
4771PP(pp_gpbyname)
4772{
693762b4 4773#ifdef HAS_GETPROTOBYNAME
cea2e8a9 4774 return pp_gprotoent();
a0d0e21e 4775#else
cea2e8a9 4776 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
a0d0e21e
LW		 4777#endif
4778}
4779
4780PP(pp_gpbynumber)
4781{
693762b4 4782#ifdef HAS_GETPROTOBYNUMBER
cea2e8a9 4783 return pp_gprotoent();
a0d0e21e 4784#else
cea2e8a9 4785 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
a0d0e21e
LW		 4786#endif
4787}
4788
4789PP(pp_gprotoent)
4790{
693762b4 4791#if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
9cad6237 4792 dSP;
533c011a 4793 I32 which = PL_op->op_type;
a0d0e21e 4794 register char **elem;
301e8125 4795 register SV *sv;
dc45a647 4796#ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4797 struct protoent *getprotobyname(Netdb_name_t);
4798 struct protoent *getprotobynumber(int);
4799 struct protoent *getprotoent(void);
8ac85365 4800#endif
a0d0e21e 4801 struct protoent *pent;
2d8e6c8d 4802 STRLEN n_a;
a0d0e21e 4803
edd309b7 4804 if (which == OP_GPBYNAME) {
e5c9fcd0 4805#ifdef HAS_GETPROTOBYNAME
edd309b7
JH		 4806 char* name = POPpbytex;
4807 pent = PerlSock_getprotobyname(name);
e5c9fcd0 4808#else
cea2e8a9 4809 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
e5c9fcd0 4810#endif
edd309b7
JH		 4811 }
4812 else if (which == OP_GPBYNUMBER) {
e5c9fcd0 4813#ifdef HAS_GETPROTOBYNUMBER
edd309b7
JH		 4814 int number = POPi;
4815 pent = PerlSock_getprotobynumber(number);
e5c9fcd0 4816#else
edd309b7 4817 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
e5c9fcd0 4818#endif
edd309b7 4819 }
a0d0e21e 4820 else
e5c9fcd0 4821#ifdef HAS_GETPROTOENT
6ad3d225 4822 pent = PerlSock_getprotoent();
e5c9fcd0 4823#else
cea2e8a9 4824 DIE(aTHX_ PL_no_sock_func, "getprotoent");
e5c9fcd0 4825#endif
a0d0e21e
LW		 4826
4827 EXTEND(SP, 3);
4828 if (GIMME != G_ARRAY) {
4829 PUSHs(sv = sv_newmortal());
4830 if (pent) {
4831 if (which == OP_GPBYNAME)
1e422769 4832 sv_setiv(sv, (IV)pent->p_proto);
a0d0e21e
LW		 4833 else
4834 sv_setpv(sv, pent->p_name);
4835 }
4836 RETURN;
4837 }
4838
4839 if (pent) {
3280af22 4840 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4841 sv_setpv(sv, pent->p_name);
3280af22 4842 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
c90c0ff4 4843 for (elem = pent->p_aliases; elem && *elem; elem++) {
a0d0e21e
LW		 4844 sv_catpv(sv, *elem);
4845 if (elem[1])
4846 sv_catpvn(sv, " ", 1);
4847 }
3280af22 4848 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 4849 sv_setiv(sv, (IV)pent->p_proto);
a0d0e21e
LW		 4850 }
4851
4852 RETURN;
4853#else
cea2e8a9 4854 DIE(aTHX_ PL_no_sock_func, "getprotoent");
a0d0e21e
LW		 4855#endif
4856}
4857
4858PP(pp_gsbyname)
4859{
9ec75305 4860#ifdef HAS_GETSERVBYNAME
cea2e8a9 4861 return pp_gservent();
a0d0e21e 4862#else
cea2e8a9 4863 DIE(aTHX_ PL_no_sock_func, "getservbyname");
a0d0e21e
LW		 4864#endif
4865}
4866
4867PP(pp_gsbyport)
4868{
9ec75305 4869#ifdef HAS_GETSERVBYPORT
cea2e8a9 4870 return pp_gservent();
a0d0e21e 4871#else
cea2e8a9 4872 DIE(aTHX_ PL_no_sock_func, "getservbyport");
a0d0e21e
LW		 4873#endif
4874}
4875
4876PP(pp_gservent)
4877{
693762b4 4878#if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
9cad6237 4879 dSP;
533c011a 4880 I32 which = PL_op->op_type;
a0d0e21e
LW		 4881 register char **elem;
4882 register SV *sv;
dc45a647 4883#ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
1d88b533
JH		 4884 struct servent *getservbyname(Netdb_name_t, Netdb_name_t);
4885 struct servent *getservbyport(int, Netdb_name_t);
4886 struct servent *getservent(void);
8ac85365 4887#endif
a0d0e21e 4888 struct servent *sent;
2d8e6c8d 4889 STRLEN n_a;
a0d0e21e
LW		 4890
4891 if (which == OP_GSBYNAME) {
dc45a647 4892#ifdef HAS_GETSERVBYNAME
42e0c139
AP		 4893 char *proto = POPpbytex;
4894 char *name = POPpbytex;
a0d0e21e
LW		 4895
4896 if (proto && !*proto)
4897 proto = Nullch;
4898
6ad3d225 4899 sent = PerlSock_getservbyname(name, proto);
dc45a647 4900#else
cea2e8a9 4901 DIE(aTHX_ PL_no_sock_func, "getservbyname");
dc45a647 4902#endif
a0d0e21e
LW		 4903 }
4904 else if (which == OP_GSBYPORT) {
dc45a647 4905#ifdef HAS_GETSERVBYPORT
42e0c139 4906 char *proto = POPpbytex;
eb160463 4907 unsigned short port = (unsigned short)POPu;
a0d0e21e 4908
2b872cca
SR		 4909 if (proto && !*proto)
4910 proto = Nullch;
4911
36477c24 4912#ifdef HAS_HTONS
6ad3d225 4913 port = PerlSock_htons(port);
36477c24 4914#endif
6ad3d225 4915 sent = PerlSock_getservbyport(port, proto);
dc45a647 4916#else
cea2e8a9 4917 DIE(aTHX_ PL_no_sock_func, "getservbyport");
dc45a647 4918#endif
a0d0e21e
LW		 4919 }
4920 else
e5c9fcd0 4921#ifdef HAS_GETSERVENT
6ad3d225 4922 sent = PerlSock_getservent();
e5c9fcd0 4923#else
cea2e8a9 4924 DIE(aTHX_ PL_no_sock_func, "getservent");
e5c9fcd0 4925#endif
a0d0e21e
LW		 4926
4927 EXTEND(SP, 4);
4928 if (GIMME != G_ARRAY) {
4929 PUSHs(sv = sv_newmortal());
4930 if (sent) {
4931 if (which == OP_GSBYNAME) {
4932#ifdef HAS_NTOHS
6ad3d225 4933 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
a0d0e21e 4934#else
1e422769 4935 sv_setiv(sv, (IV)(sent->s_port));
a0d0e21e
LW		 4936#endif
4937 }
4938 else
4939 sv_setpv(sv, sent->s_name);
4940 }
4941 RETURN;
4942 }
4943
4944 if (sent) {
3280af22 4945 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4946 sv_setpv(sv, sent->s_name);
3280af22 4947 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
c90c0ff4 4948 for (elem = sent->s_aliases; elem && *elem; elem++) {
a0d0e21e
LW		 4949 sv_catpv(sv, *elem);
4950 if (elem[1])
4951 sv_catpvn(sv, " ", 1);
4952 }
3280af22 4953 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 4954#ifdef HAS_NTOHS
76e3520e 4955 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
a0d0e21e 4956#else
1e422769 4957 sv_setiv(sv, (IV)(sent->s_port));
a0d0e21e 4958#endif
3280af22 4959 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e
LW		 4960 sv_setpv(sv, sent->s_proto);
4961 }
4962
4963 RETURN;
4964#else
cea2e8a9 4965 DIE(aTHX_ PL_no_sock_func, "getservent");
a0d0e21e
LW		 4966#endif
4967}
4968
4969PP(pp_shostent)
4970{
693762b4 4971#ifdef HAS_SETHOSTENT
9cad6237 4972 dSP;
76e3520e 4973 PerlSock_sethostent(TOPi);
a0d0e21e
LW		 4974 RETSETYES;
4975#else
cea2e8a9 4976 DIE(aTHX_ PL_no_sock_func, "sethostent");
a0d0e21e
LW		 4977#endif
4978}
4979
4980PP(pp_snetent)
4981{
693762b4 4982#ifdef HAS_SETNETENT
9cad6237 4983 dSP;
76e3520e 4984 PerlSock_setnetent(TOPi);
a0d0e21e
LW		 4985 RETSETYES;
4986#else
cea2e8a9 4987 DIE(aTHX_ PL_no_sock_func, "setnetent");
a0d0e21e
LW		 4988#endif
4989}
4990
4991PP(pp_sprotoent)
4992{
693762b4 4993#ifdef HAS_SETPROTOENT
9cad6237 4994 dSP;
76e3520e 4995 PerlSock_setprotoent(TOPi);
a0d0e21e
LW		 4996 RETSETYES;
4997#else
cea2e8a9 4998 DIE(aTHX_ PL_no_sock_func, "setprotoent");
a0d0e21e
LW		 4999#endif
5000}
5001
5002PP(pp_sservent)
5003{
693762b4 5004#ifdef HAS_SETSERVENT
9cad6237 5005 dSP;
76e3520e 5006 PerlSock_setservent(TOPi);
a0d0e21e
LW		 5007 RETSETYES;
5008#else
cea2e8a9 5009 DIE(aTHX_ PL_no_sock_func, "setservent");
a0d0e21e
LW		 5010#endif
5011}
5012
5013PP(pp_ehostent)
5014{
693762b4 5015#ifdef HAS_ENDHOSTENT
9cad6237 5016 dSP;
76e3520e 5017 PerlSock_endhostent();
924508f0 5018 EXTEND(SP,1);
a0d0e21e
LW		 5019 RETPUSHYES;
5020#else
cea2e8a9 5021 DIE(aTHX_ PL_no_sock_func, "endhostent");
a0d0e21e
LW		 5022#endif
5023}
5024
5025PP(pp_enetent)
5026{
693762b4 5027#ifdef HAS_ENDNETENT
9cad6237 5028 dSP;
76e3520e 5029 PerlSock_endnetent();
924508f0 5030 EXTEND(SP,1);
a0d0e21e
LW		 5031 RETPUSHYES;
5032#else
cea2e8a9 5033 DIE(aTHX_ PL_no_sock_func, "endnetent");
a0d0e21e
LW		 5034#endif
5035}
5036
5037PP(pp_eprotoent)
5038{
693762b4 5039#ifdef HAS_ENDPROTOENT
9cad6237 5040 dSP;
76e3520e 5041 PerlSock_endprotoent();
924508f0 5042 EXTEND(SP,1);
a0d0e21e
LW		 5043 RETPUSHYES;
5044#else
cea2e8a9 5045 DIE(aTHX_ PL_no_sock_func, "endprotoent");
a0d0e21e
LW		 5046#endif
5047}
5048
5049PP(pp_eservent)
5050{
693762b4 5051#ifdef HAS_ENDSERVENT
9cad6237 5052 dSP;
76e3520e 5053 PerlSock_endservent();
924508f0 5054 EXTEND(SP,1);
a0d0e21e
LW		 5055 RETPUSHYES;
5056#else
cea2e8a9 5057 DIE(aTHX_ PL_no_sock_func, "endservent");
a0d0e21e
LW		 5058#endif
5059}
5060
5061PP(pp_gpwnam)
5062{
5063#ifdef HAS_PASSWD
cea2e8a9 5064 return pp_gpwent();
a0d0e21e 5065#else
cea2e8a9 5066 DIE(aTHX_ PL_no_func, "getpwnam");
a0d0e21e
LW		 5067#endif
5068}
5069
5070PP(pp_gpwuid)
5071{
5072#ifdef HAS_PASSWD
cea2e8a9 5073 return pp_gpwent();
a0d0e21e 5074#else
cea2e8a9 5075 DIE(aTHX_ PL_no_func, "getpwuid");
a0d0e21e
LW		 5076#endif
5077}
5078
5079PP(pp_gpwent)
5080{
0994c4d0 5081#ifdef HAS_PASSWD
9cad6237 5082 dSP;
533c011a 5083 I32 which = PL_op->op_type;
a0d0e21e 5084 register SV *sv;
2d8e6c8d 5085 STRLEN n_a;
e3aefe8d 5086 struct passwd *pwent = NULL;
301e8125 5087 /*
bcf53261
JH		 5088 * We currently support only the SysV getsp* shadow password interface.
5089 * The interface is declared in <shadow.h> and often one needs to link
5090 * with -lsecurity or some such.
5091 * This interface is used at least by Solaris, HP-UX, IRIX, and Linux.
5092 * (and SCO?)
5093 *
5094 * AIX getpwnam() is clever enough to return the encrypted password
5095 * only if the caller (euid?) is root.
5096 *
5097 * There are at least two other shadow password APIs. Many platforms
5098 * seem to contain more than one interface for accessing the shadow
5099 * password databases, possibly for compatibility reasons.
3813c136 5100 * The getsp*() is by far he simplest one, the other two interfaces
bcf53261
JH		 5101 * are much more complicated, but also very similar to each other.
5102 *
5103 * <sys/types.h>
5104 * <sys/security.h>
5105 * <prot.h>
5106 * struct pr_passwd *getprpw*();
5107 * The password is in
3813c136
JH		 5108 * char getprpw*(...).ufld.fd_encrypt[]
5109 * Mention HAS_GETPRPWNAM here so that Configure probes for it.
bcf53261
JH		 5110 *
5111 * <sys/types.h>
5112 * <sys/security.h>
5113 * <prot.h>
5114 * struct es_passwd *getespw*();
5115 * The password is in
5116 * char *(getespw*(...).ufld.fd_encrypt)
3813c136 5117 * Mention HAS_GETESPWNAM here so that Configure probes for it.
bcf53261 5118 *
3813c136 5119 * Mention I_PROT here so that Configure probes for it.
bcf53261
JH		 5120 *
5121 * In HP-UX for getprpw*() the manual page claims that one should include
5122 * <hpsecurity.h> instead of <sys/security.h>, but that is not needed
5123 * if one includes <shadow.h> as that includes <hpsecurity.h>,
5124 * and pp_sys.c already includes <shadow.h> if there is such.
3813c136
JH		 5125 *
5126 * Note that <sys/security.h> is already probed for, but currently
5127 * it is only included in special cases.
301e8125 5128 *
bcf53261
JH		 5129 * In Digital UNIX/Tru64 if using the getespw*() (which seems to be
5130 * be preferred interface, even though also the getprpw*() interface
5131 * is available) one needs to link with -lsecurity -ldb -laud -lm.
3813c136
JH		 5132 * One also needs to call set_auth_parameters() in main() before
5133 * doing anything else, whether one is using getespw*() or getprpw*().
5134 *
5135 * Note that accessing the shadow databases can be magnitudes
5136 * slower than accessing the standard databases.
bcf53261
JH		 5137 *
5138 * --jhi
5139 */
a0d0e21e 5140
e3aefe8d
JH		 5141 switch (which) {
5142 case OP_GPWNAM:
edd309b7
JH		 5143 {
5144 char* name = POPpbytex;
5145 pwent = getpwnam(name);
5146 }
5147 break;
e3aefe8d 5148 case OP_GPWUID:
edd309b7
JH		 5149 {
5150 Uid_t uid = POPi;
5151 pwent = getpwuid(uid);
5152 }
e3aefe8d
JH		 5153 break;
5154 case OP_GPWENT:
1883634f 5155# ifdef HAS_GETPWENT
e3aefe8d 5156 pwent = getpwent();
faea9016
IRC		 5157#ifdef POSIX_BC /* In some cases pw_passwd has invalid addresses */
5158 if (pwent) pwent = getpwnam(pwent->pw_name);
5159#endif
1883634f 5160# else
a45d1c96 5161 DIE(aTHX_ PL_no_func, "getpwent");
1883634f 5162# endif
e3aefe8d
JH		 5163 break;
5164 }
8c0bfa08 5165
a0d0e21e
LW		 5166 EXTEND(SP, 10);
5167 if (GIMME != G_ARRAY) {
5168 PUSHs(sv = sv_newmortal());
5169 if (pwent) {
5170 if (which == OP_GPWNAM)
1883634f 5171# if Uid_t_sign <= 0
1e422769 5172 sv_setiv(sv, (IV)pwent->pw_uid);
1883634f 5173# else
23dcd6c8 5174 sv_setuv(sv, (UV)pwent->pw_uid);
1883634f 5175# endif
a0d0e21e
LW		 5176 else
5177 sv_setpv(sv, pwent->pw_name);
5178 }
5179 RETURN;
5180 }
5181
5182 if (pwent) {
3280af22 5183 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5184 sv_setpv(sv, pwent->pw_name);
6ee623d5 5185
3280af22 5186 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3813c136
JH		 5187 SvPOK_off(sv);
5188 /* If we have getspnam(), we try to dig up the shadow
5189 * password. If we are underprivileged, the shadow
5190 * interface will set the errno to EACCES or similar,
5191 * and return a null pointer. If this happens, we will
5192 * use the dummy password (usually "*" or "x") from the
5193 * standard password database.
5194 *
5195 * In theory we could skip the shadow call completely
5196 * if euid != 0 but in practice we cannot know which
5197 * security measures are guarding the shadow databases
5198 * on a random platform.
5199 *
5200 * Resist the urge to use additional shadow interfaces.
5201 * Divert the urge to writing an extension instead.
5202 *
5203 * --jhi */
e3aefe8d 5204# ifdef HAS_GETSPNAM
3813c136
JH		 5205 {
5206 struct spwd *spwent;
5207 int saverrno; /* Save and restore errno so that
5208 * underprivileged attempts seem
5209 * to have never made the unsccessful
5210 * attempt to retrieve the shadow password. */
5211
5212 saverrno = errno;
5213 spwent = getspnam(pwent->pw_name);
5214 errno = saverrno;
5215 if (spwent && spwent->sp_pwdp)
5216 sv_setpv(sv, spwent->sp_pwdp);
5217 }
f1066039 5218# endif
e020c87d 5219# ifdef PWPASSWD
3813c136
JH		 5220 if (!SvPOK(sv)) /* Use the standard password, then. */
5221 sv_setpv(sv, pwent->pw_passwd);
e020c87d 5222# endif
3813c136 5223
1883634f 5224# ifndef INCOMPLETE_TAINTS
3813c136
JH		 5225 /* passwd is tainted because user himself can diddle with it.
5226 * admittedly not much and in a very limited way, but nevertheless. */
2959b6e3 5227 SvTAINTED_on(sv);
1883634f 5228# endif
6ee623d5 5229
3280af22 5230 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5231# if Uid_t_sign <= 0
1e422769 5232 sv_setiv(sv, (IV)pwent->pw_uid);
1883634f 5233# else
23dcd6c8 5234 sv_setuv(sv, (UV)pwent->pw_uid);
1883634f 5235# endif
6ee623d5 5236
3280af22 5237 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5238# if Uid_t_sign <= 0
1e422769 5239 sv_setiv(sv, (IV)pwent->pw_gid);
1883634f 5240# else
23dcd6c8 5241 sv_setuv(sv, (UV)pwent->pw_gid);
1883634f 5242# endif
3813c136
JH		 5243 /* pw_change, pw_quota, and pw_age are mutually exclusive--
5244 * because of the poor interface of the Perl getpw*(),
5245 * not because there's some standard/convention saying so.
5246 * A better interface would have been to return a hash,
5247 * but we are accursed by our history, alas. --jhi. */
3280af22 5248 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5249# ifdef PWCHANGE
1e422769 5250 sv_setiv(sv, (IV)pwent->pw_change);
6ee623d5 5251# else
1883634f
JH		 5252# ifdef PWQUOTA
5253 sv_setiv(sv, (IV)pwent->pw_quota);
5254# else
a1757be1 5255# ifdef PWAGE
a0d0e21e 5256 sv_setpv(sv, pwent->pw_age);
a1757be1 5257# endif
6ee623d5
GS		 5258# endif
5259# endif
6ee623d5 5260
3813c136
JH		 5261 /* pw_class and pw_comment are mutually exclusive--.
5262 * see the above note for pw_change, pw_quota, and pw_age. */
3280af22 5263 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5264# ifdef PWCLASS
a0d0e21e 5265 sv_setpv(sv, pwent->pw_class);
1883634f
JH		 5266# else
5267# ifdef PWCOMMENT
a0d0e21e 5268 sv_setpv(sv, pwent->pw_comment);
1883634f 5269# endif
6ee623d5 5270# endif
6ee623d5 5271
3280af22 5272 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1883634f 5273# ifdef PWGECOS
a0d0e21e 5274 sv_setpv(sv, pwent->pw_gecos);
1883634f
JH		 5275# endif
5276# ifndef INCOMPLETE_TAINTS
d2719217 5277 /* pw_gecos is tainted because user himself can diddle with it. */
fb73857a 5278 SvTAINTED_on(sv);
1883634f 5279# endif
6ee623d5 5280
3280af22 5281 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5282 sv_setpv(sv, pwent->pw_dir);
6ee623d5 5283
3280af22 5284 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5285 sv_setpv(sv, pwent->pw_shell);
1883634f 5286# ifndef INCOMPLETE_TAINTS
4602f195
JH		 5287 /* pw_shell is tainted because user himself can diddle with it. */
5288 SvTAINTED_on(sv);
1883634f 5289# endif
6ee623d5 5290
1883634f 5291# ifdef PWEXPIRE
6b88bc9c 5292 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 5293 sv_setiv(sv, (IV)pwent->pw_expire);
1883634f 5294# endif
a0d0e21e
LW		 5295 }
5296 RETURN;
5297#else
cea2e8a9 5298 DIE(aTHX_ PL_no_func, "getpwent");
a0d0e21e
LW		 5299#endif
5300}
5301
5302PP(pp_spwent)
5303{
d493b042 5304#if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
9cad6237 5305 dSP;
a0d0e21e
LW		 5306 setpwent();
5307 RETPUSHYES;
5308#else
cea2e8a9 5309 DIE(aTHX_ PL_no_func, "setpwent");
a0d0e21e
LW		 5310#endif
5311}
5312
5313PP(pp_epwent)
5314{
28e8609d 5315#if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
9cad6237 5316 dSP;
a0d0e21e
LW		 5317 endpwent();
5318 RETPUSHYES;
5319#else
cea2e8a9 5320 DIE(aTHX_ PL_no_func, "endpwent");
a0d0e21e
LW		 5321#endif
5322}
5323
5324PP(pp_ggrnam)
5325{
5326#ifdef HAS_GROUP
cea2e8a9 5327 return pp_ggrent();
a0d0e21e 5328#else
cea2e8a9 5329 DIE(aTHX_ PL_no_func, "getgrnam");
a0d0e21e
LW		 5330#endif
5331}
5332
5333PP(pp_ggrgid)
5334{
5335#ifdef HAS_GROUP
cea2e8a9 5336 return pp_ggrent();
a0d0e21e 5337#else
cea2e8a9 5338 DIE(aTHX_ PL_no_func, "getgrgid");
a0d0e21e
LW		 5339#endif
5340}
5341
5342PP(pp_ggrent)
5343{
0994c4d0 5344#ifdef HAS_GROUP
9cad6237 5345 dSP;
533c011a 5346 I32 which = PL_op->op_type;
a0d0e21e
LW		 5347 register char **elem;
5348 register SV *sv;
5349 struct group *grent;
2d8e6c8d 5350 STRLEN n_a;
a0d0e21e 5351
edd309b7
JH		 5352 if (which == OP_GGRNAM) {
5353 char* name = POPpbytex;
5354 grent = (struct group *)getgrnam(name);
5355 }
5356 else if (which == OP_GGRGID) {
5357 Gid_t gid = POPi;
5358 grent = (struct group *)getgrgid(gid);
5359 }
a0d0e21e 5360 else
0994c4d0 5361#ifdef HAS_GETGRENT
a0d0e21e 5362 grent = (struct group *)getgrent();
0994c4d0
JH		 5363#else
5364 DIE(aTHX_ PL_no_func, "getgrent");
5365#endif
a0d0e21e
LW		 5366
5367 EXTEND(SP, 4);
5368 if (GIMME != G_ARRAY) {
5369 PUSHs(sv = sv_newmortal());
5370 if (grent) {
5371 if (which == OP_GGRNAM)
1e422769 5372 sv_setiv(sv, (IV)grent->gr_gid);
a0d0e21e
LW		 5373 else
5374 sv_setpv(sv, grent->gr_name);
5375 }
5376 RETURN;
5377 }
5378
5379 if (grent) {
3280af22 5380 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
a0d0e21e 5381 sv_setpv(sv, grent->gr_name);
28e8609d 5382
3280af22 5383 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
28e8609d 5384#ifdef GRPASSWD
a0d0e21e 5385 sv_setpv(sv, grent->gr_passwd);
28e8609d
JH		 5386#endif
5387
3280af22 5388 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1e422769 5389 sv_setiv(sv, (IV)grent->gr_gid);
28e8609d 5390
5b56e7c5 5391#if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API))
3280af22 5392 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3d7e8424
JH		 5393 /* In UNICOS/mk (_CRAYMPP) the multithreading
5394 * versions (getgrnam_r, getgrgid_r)
5395 * seem to return an illegal pointer
5396 * as the group members list, gr_mem.
5397 * getgrent() doesn't even have a _r version
5398 * but the gr_mem is poisonous anyway.
5399 * So yes, you cannot get the list of group
5400 * members if building multithreaded in UNICOS/mk. */
c90c0ff4 5401 for (elem = grent->gr_mem; elem && *elem; elem++) {
a0d0e21e
LW		 5402 sv_catpv(sv, *elem);
5403 if (elem[1])
5404 sv_catpvn(sv, " ", 1);
5405 }
3d7e8424 5406#endif
a0d0e21e
LW		 5407 }
5408
5409 RETURN;
5410#else
cea2e8a9 5411 DIE(aTHX_ PL_no_func, "getgrent");
a0d0e21e
LW		 5412#endif
5413}
5414
5415PP(pp_sgrent)
5416{
28e8609d 5417#if defined(HAS_GROUP) && defined(HAS_SETGRENT)
9cad6237 5418 dSP;
a0d0e21e
LW		 5419 setgrent();
5420 RETPUSHYES;
5421#else
cea2e8a9 5422 DIE(aTHX_ PL_no_func, "setgrent");
a0d0e21e
LW		 5423#endif
5424}
5425
5426PP(pp_egrent)
5427{
28e8609d 5428#if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
9cad6237 5429 dSP;
a0d0e21e
LW		 5430 endgrent();
5431 RETPUSHYES;
5432#else
cea2e8a9 5433 DIE(aTHX_ PL_no_func, "endgrent");
a0d0e21e
LW		 5434#endif
5435}
5436
5437PP(pp_getlogin)
5438{
a0d0e21e 5439#ifdef HAS_GETLOGIN
9cad6237 5440 dSP; dTARGET;
a0d0e21e
LW		 5441 char *tmps;
5442 EXTEND(SP, 1);
76e3520e 5443 if (!(tmps = PerlProc_getlogin()))
a0d0e21e
LW		 5444 RETPUSHUNDEF;
5445 PUSHp(tmps, strlen(tmps));
5446 RETURN;
5447#else
cea2e8a9 5448 DIE(aTHX_ PL_no_func, "getlogin");
a0d0e21e
LW		 5449#endif
5450}
5451
5452/* Miscellaneous. */
5453
5454PP(pp_syscall)
5455{
d2719217 5456#ifdef HAS_SYSCALL
39644a26 5457 dSP; dMARK; dORIGMARK; dTARGET;
a0d0e21e
LW		 5458 register I32 items = SP - MARK;
5459 unsigned long a[20];
5460 register I32 i = 0;
5461 I32 retval = -1;
2d8e6c8d 5462 STRLEN n_a;
a0d0e21e 5463
3280af22 5464 if (PL_tainting) {
a0d0e21e 5465 while (++MARK <= SP) {
bbce6d69 5466 if (SvTAINTED(*MARK)) {
5467 TAINT;
5468 break;
5469 }
a0d0e21e
LW		 5470 }
5471 MARK = ORIGMARK;
5472 TAINT_PROPER("syscall");
5473 }
5474
5475 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5476 * or where sizeof(long) != sizeof(char*). But such machines will
5477 * not likely have syscall implemented either, so who cares?
5478 */
5479 while (++MARK <= SP) {
5480 if (SvNIOK(*MARK) || !i)
5481 a[i++] = SvIV(*MARK);
3280af22 5482 else if (*MARK == &PL_sv_undef)
748a9306 5483 a[i++] = 0;
301e8125 5484 else
2d8e6c8d 5485 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
a0d0e21e
LW		 5486 if (i > 15)
5487 break;
5488 }
5489 switch (items) {
5490 default:
cea2e8a9 5491 DIE(aTHX_ "Too many args to syscall");
a0d0e21e 5492 case 0:
cea2e8a9 5493 DIE(aTHX_ "Too few args to syscall");
a0d0e21e
LW		 5494 case 1:
5495 retval = syscall(a[0]);
5496 break;
5497 case 2:
5498 retval = syscall(a[0],a[1]);
5499 break;
5500 case 3:
5501 retval = syscall(a[0],a[1],a[2]);
5502 break;
5503 case 4:
5504 retval = syscall(a[0],a[1],a[2],a[3]);
5505 break;
5506 case 5:
5507 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5508 break;
5509 case 6:
5510 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5511 break;
5512 case 7:
5513 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5514 break;
5515 case 8:
5516 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5517 break;
5518#ifdef atarist
5519 case 9:
5520 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5521 break;
5522 case 10:
5523 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5524 break;
5525 case 11:
5526 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5527 a[10]);
5528 break;
5529 case 12:
5530 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5531 a[10],a[11]);
5532 break;
5533 case 13:
5534 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5535 a[10],a[11],a[12]);
5536 break;
5537 case 14:
5538 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5539 a[10],a[11],a[12],a[13]);
5540 break;
5541#endif /* atarist */
5542 }
5543 SP = ORIGMARK;
5544 PUSHi(retval);
5545 RETURN;
5546#else
cea2e8a9 5547 DIE(aTHX_ PL_no_func, "syscall");
a0d0e21e
LW		 5548#endif
5549}
5550
ff68c719 5551#ifdef FCNTL_EMULATE_FLOCK
301e8125 5552
ff68c719 5553/* XXX Emulate flock() with fcntl().
5554 What's really needed is a good file locking module.
5555*/
5556
cea2e8a9
GS		 5557static int
5558fcntl_emulate_flock(int fd, int operation)
ff68c719 5559{
5560 struct flock flock;
301e8125 5561
ff68c719 5562 switch (operation & ~LOCK_NB) {
5563 case LOCK_SH:
5564 flock.l_type = F_RDLCK;
5565 break;
5566 case LOCK_EX:
5567 flock.l_type = F_WRLCK;
5568 break;
5569 case LOCK_UN:
5570 flock.l_type = F_UNLCK;
5571 break;
5572 default:
5573 errno = EINVAL;
5574 return -1;
5575 }
5576 flock.l_whence = SEEK_SET;
d9b3e12d 5577 flock.l_start = flock.l_len = (Off_t)0;
301e8125 5578
ff68c719 5579 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5580}
5581
5582#endif /* FCNTL_EMULATE_FLOCK */
5583
5584#ifdef LOCKF_EMULATE_FLOCK
16d20bd9
AD		 5585
5586/* XXX Emulate flock() with lockf(). This is just to increase
5587 portability of scripts. The calls are not completely
5588 interchangeable. What's really needed is a good file
5589 locking module.
5590*/
5591
76c32331 5592/* The lockf() constants might have been defined in <unistd.h>.
5593 Unfortunately, <unistd.h> causes troubles on some mixed
5594 (BSD/POSIX) systems, such as SunOS 4.1.3.
16d20bd9
AD		 5595
5596 Further, the lockf() constants aren't POSIX, so they might not be
5597 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5598 just stick in the SVID values and be done with it. Sigh.
5599*/
5600
5601# ifndef F_ULOCK
5602# define F_ULOCK 0 /* Unlock a previously locked region */
5603# endif
5604# ifndef F_LOCK
5605# define F_LOCK 1 /* Lock a region for exclusive use */
5606# endif
5607# ifndef F_TLOCK
5608# define F_TLOCK 2 /* Test and lock a region for exclusive use */
5609# endif
5610# ifndef F_TEST
5611# define F_TEST 3 /* Test a region for other processes locks */
5612# endif
5613
cea2e8a9
GS		 5614static int
5615lockf_emulate_flock(int fd, int operation)
16d20bd9
AD		 5616{
5617 int i;
84902520
TB		 5618 int save_errno;
5619 Off_t pos;
5620
5621 /* flock locks entire file so for lockf we need to do the same */
5622 save_errno = errno;
6ad3d225 5623 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
84902520 5624 if (pos > 0) /* is seekable and needs to be repositioned */
6ad3d225 5625 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
08b714dd 5626 pos = -1; /* seek failed, so don't seek back afterwards */
84902520
TB		 5627 errno = save_errno;
5628
16d20bd9
AD		 5629 switch (operation) {
5630
5631 /* LOCK_SH - get a shared lock */
5632 case LOCK_SH:
5633 /* LOCK_EX - get an exclusive lock */
5634 case LOCK_EX:
5635 i = lockf (fd, F_LOCK, 0);
5636 break;
5637
5638 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5639 case LOCK_SH|LOCK_NB:
5640 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5641 case LOCK_EX|LOCK_NB:
5642 i = lockf (fd, F_TLOCK, 0);
5643 if (i == -1)
5644 if ((errno == EAGAIN) || (errno == EACCES))
5645 errno = EWOULDBLOCK;
5646 break;
5647
ff68c719 5648 /* LOCK_UN - unlock (non-blocking is a no-op) */
16d20bd9 5649 case LOCK_UN:
ff68c719 5650 case LOCK_UN|LOCK_NB:
16d20bd9
AD		 5651 i = lockf (fd, F_ULOCK, 0);
5652 break;
5653
5654 /* Default - can't decipher operation */
5655 default:
5656 i = -1;
5657 errno = EINVAL;
5658 break;
5659 }
84902520
TB		 5660
5661 if (pos > 0) /* need to restore position of the handle */
6ad3d225 5662 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
84902520 5663
16d20bd9
AD		 5664 return (i);
5665}
ff68c719 5666
5667#endif /* LOCKF_EMULATE_FLOCK */
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