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[perl5.git] / pp_sys.c
CommitLineData
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1/* pp_sys.c
2 *
3 * Copyright (c) 1991-1994, Larry Wall
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"
18#include "perl.h"
19
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20/* XXX Omit this -- it causes too much grief on mixed systems.
21 Next time, I should force broken systems to unset i_unistd in
22 hint files.
a0d0e21e 23*/
16d20bd9
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24#if 0
25# ifdef I_UNISTD
26# include <unistd.h>
27# endif
28#endif
a0d0e21e 29
94b6baf5
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30/* Put this after #includes because fork and vfork prototypes may
31 conflict.
32*/
33#ifndef HAS_VFORK
34# define vfork fork
35#endif
36
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37#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
38# include <sys/socket.h>
39# include <netdb.h>
40# ifndef ENOTSOCK
41# ifdef I_NET_ERRNO
42# include <net/errno.h>
43# endif
44# endif
45#endif
46
47#ifdef HAS_SELECT
48#ifdef I_SYS_SELECT
49#ifndef I_SYS_TIME
50#include <sys/select.h>
51#endif
52#endif
53#endif
54
55#ifdef HOST_NOT_FOUND
56extern int h_errno;
57#endif
58
59#ifdef HAS_PASSWD
60# ifdef I_PWD
61# include <pwd.h>
62# else
63 struct passwd *getpwnam _((char *));
64 struct passwd *getpwuid _((Uid_t));
65# endif
66 struct passwd *getpwent _((void));
67#endif
68
69#ifdef HAS_GROUP
70# ifdef I_GRP
71# include <grp.h>
72# else
73 struct group *getgrnam _((char *));
74 struct group *getgrgid _((Gid_t));
75# endif
76 struct group *getgrent _((void));
77#endif
78
79#ifdef I_UTIME
80#include <utime.h>
81#endif
82#ifdef I_FCNTL
83#include <fcntl.h>
84#endif
85#ifdef I_SYS_FILE
86#include <sys/file.h>
87#endif
88
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89#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
90static int dooneliner _((char *cmd, char *filename));
91#endif
92/* Pushy I/O. */
93
94PP(pp_backtick)
95{
96 dSP; dTARGET;
97 FILE *fp;
98 char *tmps = POPp;
99 TAINT_PROPER("``");
100 fp = my_popen(tmps, "r");
101 if (fp) {
102 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
103 if (GIMME == G_SCALAR) {
104 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
105 /*SUPPRESS 530*/
106 ;
107 XPUSHs(TARG);
108 }
109 else {
110 SV *sv;
111
112 for (;;) {
113 sv = NEWSV(56, 80);
114 if (sv_gets(sv, fp, 0) == Nullch) {
115 SvREFCNT_dec(sv);
116 break;
117 }
118 XPUSHs(sv_2mortal(sv));
119 if (SvLEN(sv) - SvCUR(sv) > 20) {
120 SvLEN_set(sv, SvCUR(sv)+1);
121 Renew(SvPVX(sv), SvLEN(sv), char);
122 }
123 }
124 }
4633a7c4 125 statusvalue = FIXSTATUS(my_pclose(fp));
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126 }
127 else {
128 statusvalue = -1;
129 if (GIMME == G_SCALAR)
130 RETPUSHUNDEF;
131 }
132
133 RETURN;
134}
135
136PP(pp_glob)
137{
138 OP *result;
139 ENTER;
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140
141 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
142 last_in_gv = (GV*)*stack_sp--;
143
c07a80fd
PP
144 SAVESPTR(rs); /* This is not permanent, either. */
145 rs = sv_2mortal(newSVpv("", 1));
146#ifndef DOSISH
147#ifndef CSH
148 *SvPVX(rs) = '\n';
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149#endif /* !CSH */
150#endif /* !MSDOS */
c07a80fd 151
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152 result = do_readline();
153 LEAVE;
154 return result;
155}
156
157PP(pp_indread)
158{
159 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
160 return do_readline();
161}
162
163PP(pp_rcatline)
164{
165 last_in_gv = cGVOP->op_gv;
166 return do_readline();
167}
168
169PP(pp_warn)
170{
171 dSP; dMARK;
172 char *tmps;
173 if (SP - MARK != 1) {
174 dTARGET;
175 do_join(TARG, &sv_no, MARK, SP);
176 tmps = SvPV(TARG, na);
177 SP = MARK + 1;
178 }
179 else {
180 tmps = SvPV(TOPs, na);
181 }
182 if (!tmps || !*tmps) {
4633a7c4 183 SV *error = GvSV(errgv);
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184 (void)SvUPGRADE(error, SVt_PV);
185 if (SvPOK(error) && SvCUR(error))
186 sv_catpv(error, "\t...caught");
187 tmps = SvPV(error, na);
188 }
189 if (!tmps || !*tmps)
190 tmps = "Warning: something's wrong";
191 warn("%s", tmps);
192 RETSETYES;
193}
194
195PP(pp_die)
196{
197 dSP; dMARK;
198 char *tmps;
199 if (SP - MARK != 1) {
200 dTARGET;
201 do_join(TARG, &sv_no, MARK, SP);
202 tmps = SvPV(TARG, na);
203 SP = MARK + 1;
204 }
205 else {
206 tmps = SvPV(TOPs, na);
207 }
208 if (!tmps || !*tmps) {
4633a7c4 209 SV *error = GvSV(errgv);
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210 (void)SvUPGRADE(error, SVt_PV);
211 if (SvPOK(error) && SvCUR(error))
212 sv_catpv(error, "\t...propagated");
213 tmps = SvPV(error, na);
214 }
215 if (!tmps || !*tmps)
216 tmps = "Died";
217 DIE("%s", tmps);
218}
219
220/* I/O. */
221
222PP(pp_open)
223{
224 dSP; dTARGET;
225 GV *gv;
226 SV *sv;
227 char *tmps;
228 STRLEN len;
229
230 if (MAXARG > 1)
231 sv = POPs;
4633a7c4 232 else if (SvTYPE(TOPs) == SVt_PVGV)
a0d0e21e 233 sv = GvSV(TOPs);
4633a7c4
LW
234 else
235 DIE(no_usym, "filehandle");
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236 gv = (GV*)POPs;
237 tmps = SvPV(sv, len);
c07a80fd 238 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
a0d0e21e
LW
239 IoLINES(GvIOp(gv)) = 0;
240 PUSHi( (I32)forkprocess );
241 }
242 else if (forkprocess == 0) /* we are a new child */
243 PUSHi(0);
244 else
245 RETPUSHUNDEF;
246 RETURN;
247}
248
249PP(pp_close)
250{
251 dSP;
252 GV *gv;
253
254 if (MAXARG == 0)
255 gv = defoutgv;
256 else
257 gv = (GV*)POPs;
258 EXTEND(SP, 1);
259 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
260 RETURN;
261}
262
263PP(pp_pipe_op)
264{
265 dSP;
266#ifdef HAS_PIPE
267 GV *rgv;
268 GV *wgv;
269 register IO *rstio;
270 register IO *wstio;
271 int fd[2];
272
273 wgv = (GV*)POPs;
274 rgv = (GV*)POPs;
275
276 if (!rgv || !wgv)
277 goto badexit;
278
4633a7c4
LW
279 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
280 DIE(no_usym, "filehandle");
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281 rstio = GvIOn(rgv);
282 wstio = GvIOn(wgv);
283
284 if (IoIFP(rstio))
285 do_close(rgv, FALSE);
286 if (IoIFP(wstio))
287 do_close(wgv, FALSE);
288
289 if (pipe(fd) < 0)
290 goto badexit;
291
292 IoIFP(rstio) = fdopen(fd[0], "r");
293 IoOFP(wstio) = fdopen(fd[1], "w");
294 IoIFP(wstio) = IoOFP(wstio);
295 IoTYPE(rstio) = '<';
296 IoTYPE(wstio) = '>';
297
298 if (!IoIFP(rstio) || !IoOFP(wstio)) {
299 if (IoIFP(rstio)) fclose(IoIFP(rstio));
300 else close(fd[0]);
301 if (IoOFP(wstio)) fclose(IoOFP(wstio));
302 else close(fd[1]);
303 goto badexit;
304 }
305
306 RETPUSHYES;
307
308badexit:
309 RETPUSHUNDEF;
310#else
311 DIE(no_func, "pipe");
312#endif
313}
314
315PP(pp_fileno)
316{
317 dSP; dTARGET;
318 GV *gv;
319 IO *io;
320 FILE *fp;
321 if (MAXARG < 1)
322 RETPUSHUNDEF;
323 gv = (GV*)POPs;
324 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
325 RETPUSHUNDEF;
326 PUSHi(fileno(fp));
327 RETURN;
328}
329
330PP(pp_umask)
331{
332 dSP; dTARGET;
333 int anum;
334
335#ifdef HAS_UMASK
336 if (MAXARG < 1) {
337 anum = umask(0);
338 (void)umask(anum);
339 }
340 else
341 anum = umask(POPi);
342 TAINT_PROPER("umask");
343 XPUSHi(anum);
344#else
345 DIE(no_func, "Unsupported function umask");
346#endif
347 RETURN;
348}
349
350PP(pp_binmode)
351{
352 dSP;
353 GV *gv;
354 IO *io;
355 FILE *fp;
356
357 if (MAXARG < 1)
358 RETPUSHUNDEF;
359
360 gv = (GV*)POPs;
361
362 EXTEND(SP, 1);
363 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
364 RETSETUNDEF;
365
366#ifdef DOSISH
367#ifdef atarist
368 if (!fflush(fp) && (fp->_flag |= _IOBIN))
369 RETPUSHYES;
370 else
371 RETPUSHUNDEF;
372#else
373 if (setmode(fileno(fp), OP_BINARY) != -1)
374 RETPUSHYES;
375 else
376 RETPUSHUNDEF;
377#endif
378#else
379 RETPUSHYES;
380#endif
381}
382
383PP(pp_tie)
384{
385 dSP;
386 SV *varsv;
387 HV* stash;
388 GV *gv;
389 BINOP myop;
390 SV *sv;
391 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
392 I32 markoff = mark - stack_base - 1;
393 char *methname;
394
395 varsv = mark[0];
396 if (SvTYPE(varsv) == SVt_PVHV)
397 methname = "TIEHASH";
398 else if (SvTYPE(varsv) == SVt_PVAV)
399 methname = "TIEARRAY";
400 else if (SvTYPE(varsv) == SVt_PVGV)
401 methname = "TIEHANDLE";
402 else
403 methname = "TIESCALAR";
404
405 stash = gv_stashsv(mark[1], FALSE);
406 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
407 DIE("Can't locate object method \"%s\" via package \"%s\"",
408 methname, SvPV(mark[1],na));
409
410 Zero(&myop, 1, BINOP);
411 myop.op_last = (OP *) &myop;
412 myop.op_next = Nullop;
413 myop.op_flags = OPf_KNOW|OPf_STACKED;
414
415 ENTER;
416 SAVESPTR(op);
417 op = (OP *) &myop;
418
419 XPUSHs(gv);
420 PUTBACK;
421
422 if (op = pp_entersub())
423 run();
424 SPAGAIN;
425
426 sv = TOPs;
427 if (sv_isobject(sv)) {
428 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
429 sv_unmagic(varsv, 'P');
430 sv_magic(varsv, sv, 'P', Nullch, 0);
431 }
432 else {
433 sv_unmagic(varsv, 'q');
434 sv_magic(varsv, sv, 'q', Nullch, 0);
435 }
436 }
437 LEAVE;
438 SP = stack_base + markoff;
439 PUSHs(sv);
440 RETURN;
441}
442
443PP(pp_untie)
444{
445 dSP;
446 if (SvTYPE(TOPs) == SVt_PVHV || SvTYPE(TOPs) == SVt_PVAV)
447 sv_unmagic(TOPs, 'P');
448 else
449 sv_unmagic(TOPs, 'q');
450 RETSETYES;
451}
452
c07a80fd
PP
453PP(pp_tied)
454{
455 dSP; dTARGET ;
456 SV * sv ;
457 MAGIC * mg ;
458
459 sv = POPs;
460 if (SvMAGICAL(sv)) {
461 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
462 mg = mg_find(sv, 'P') ;
463 else
464 mg = mg_find(sv, 'q') ;
465
466 if (mg) {
467 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
468 RETURN ;
469 }
470 }
471
472 RETPUSHUNDEF;
473}
474
a0d0e21e
LW
475PP(pp_dbmopen)
476{
477 dSP;
478 HV *hv;
479 dPOPPOPssrl;
480 HV* stash;
481 GV *gv;
482 BINOP myop;
483 SV *sv;
484
485 hv = (HV*)POPs;
486
487 sv = sv_mortalcopy(&sv_no);
488 sv_setpv(sv, "AnyDBM_File");
489 stash = gv_stashsv(sv, FALSE);
490 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
491 PUTBACK;
4633a7c4 492 perl_require_pv("AnyDBM_File.pm");
a0d0e21e
LW
493 SPAGAIN;
494 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
495 DIE("No dbm on this machine");
496 }
497
498 Zero(&myop, 1, BINOP);
499 myop.op_last = (OP *) &myop;
500 myop.op_next = Nullop;
501 myop.op_flags = OPf_KNOW|OPf_STACKED;
502
503 ENTER;
504 SAVESPTR(op);
505 op = (OP *) &myop;
506 PUTBACK;
507 pp_pushmark();
508
509 EXTEND(sp, 5);
510 PUSHs(sv);
511 PUSHs(left);
512 if (SvIV(right))
513 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
514 else
515 PUSHs(sv_2mortal(newSViv(O_RDWR)));
516 PUSHs(right);
517 PUSHs(gv);
518 PUTBACK;
519
520 if (op = pp_entersub())
521 run();
522 SPAGAIN;
523
524 if (!sv_isobject(TOPs)) {
525 sp--;
526 op = (OP *) &myop;
527 PUTBACK;
528 pp_pushmark();
529
530 PUSHs(sv);
531 PUSHs(left);
532 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
533 PUSHs(right);
534 PUSHs(gv);
535 PUTBACK;
536
537 if (op = pp_entersub())
538 run();
539 SPAGAIN;
540 }
541
542 if (sv_isobject(TOPs))
543 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
544 LEAVE;
545 RETURN;
546}
547
548PP(pp_dbmclose)
549{
550 return pp_untie(ARGS);
551}
552
553PP(pp_sselect)
554{
555 dSP; dTARGET;
556#ifdef HAS_SELECT
557 register I32 i;
558 register I32 j;
559 register char *s;
560 register SV *sv;
561 double value;
562 I32 maxlen = 0;
563 I32 nfound;
564 struct timeval timebuf;
565 struct timeval *tbuf = &timebuf;
566 I32 growsize;
567 char *fd_sets[4];
568#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
569 I32 masksize;
570 I32 offset;
571 I32 k;
572
573# if BYTEORDER & 0xf0000
574# define ORDERBYTE (0x88888888 - BYTEORDER)
575# else
576# define ORDERBYTE (0x4444 - BYTEORDER)
577# endif
578
579#endif
580
581 SP -= 4;
582 for (i = 1; i <= 3; i++) {
583 if (!SvPOK(SP[i]))
584 continue;
585 j = SvCUR(SP[i]);
586 if (maxlen < j)
587 maxlen = j;
588 }
589
590#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
4633a7c4
LW
591#ifdef __linux__
592 growsize = sizeof(fd_set);
593#else
a0d0e21e 594 growsize = maxlen; /* little endians can use vecs directly */
4633a7c4 595#endif
a0d0e21e
LW
596#else
597#ifdef NFDBITS
598
599#ifndef NBBY
600#define NBBY 8
601#endif
602
603 masksize = NFDBITS / NBBY;
604#else
605 masksize = sizeof(long); /* documented int, everyone seems to use long */
606#endif
607 growsize = maxlen + (masksize - (maxlen % masksize));
608 Zero(&fd_sets[0], 4, char*);
609#endif
610
611 sv = SP[4];
612 if (SvOK(sv)) {
613 value = SvNV(sv);
614 if (value < 0.0)
615 value = 0.0;
616 timebuf.tv_sec = (long)value;
617 value -= (double)timebuf.tv_sec;
618 timebuf.tv_usec = (long)(value * 1000000.0);
619 }
620 else
621 tbuf = Null(struct timeval*);
622
623 for (i = 1; i <= 3; i++) {
624 sv = SP[i];
625 if (!SvOK(sv)) {
626 fd_sets[i] = 0;
627 continue;
628 }
629 else if (!SvPOK(sv))
630 SvPV_force(sv,na); /* force string conversion */
631 j = SvLEN(sv);
632 if (j < growsize) {
633 Sv_Grow(sv, growsize);
a0d0e21e 634 }
c07a80fd
PP
635 j = SvCUR(sv);
636 s = SvPVX(sv) + j;
637 while (++j <= growsize) {
638 *s++ = '\0';
639 }
640
a0d0e21e
LW
641#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
642 s = SvPVX(sv);
643 New(403, fd_sets[i], growsize, char);
644 for (offset = 0; offset < growsize; offset += masksize) {
645 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
646 fd_sets[i][j+offset] = s[(k % masksize) + offset];
647 }
648#else
649 fd_sets[i] = SvPVX(sv);
650#endif
651 }
652
653 nfound = select(
654 maxlen * 8,
655 (Select_fd_set_t) fd_sets[1],
656 (Select_fd_set_t) fd_sets[2],
657 (Select_fd_set_t) fd_sets[3],
658 tbuf);
659 for (i = 1; i <= 3; i++) {
660 if (fd_sets[i]) {
661 sv = SP[i];
662#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
663 s = SvPVX(sv);
664 for (offset = 0; offset < growsize; offset += masksize) {
665 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
666 s[(k % masksize) + offset] = fd_sets[i][j+offset];
667 }
668 Safefree(fd_sets[i]);
669#endif
670 SvSETMAGIC(sv);
671 }
672 }
673
674 PUSHi(nfound);
675 if (GIMME == G_ARRAY && tbuf) {
676 value = (double)(timebuf.tv_sec) +
677 (double)(timebuf.tv_usec) / 1000000.0;
678 PUSHs(sv = sv_mortalcopy(&sv_no));
679 sv_setnv(sv, value);
680 }
681 RETURN;
682#else
683 DIE("select not implemented");
684#endif
685}
686
4633a7c4
LW
687void
688setdefout(gv)
689GV *gv;
690{
691 if (gv)
692 (void)SvREFCNT_inc(gv);
693 if (defoutgv)
694 SvREFCNT_dec(defoutgv);
695 defoutgv = gv;
696}
697
a0d0e21e
LW
698PP(pp_select)
699{
700 dSP; dTARGET;
4633a7c4
LW
701 GV *newdefout, *egv;
702 HV *hv;
703
704 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
705
706 egv = GvEGV(defoutgv);
707 if (!egv)
708 egv = defoutgv;
709 hv = GvSTASH(egv);
710 if (! hv)
711 XPUSHs(&sv_undef);
712 else {
713 GV **gvp = hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
714 if (gvp && *gvp == egv)
715 gv_efullname(TARG, defoutgv);
716 else
717 sv_setsv(TARG, sv_2mortal(newRV(egv)));
718 XPUSHTARG;
719 }
720
721 if (newdefout) {
722 if (!GvIO(newdefout))
723 gv_IOadd(newdefout);
724 setdefout(newdefout);
725 }
726
a0d0e21e
LW
727 RETURN;
728}
729
730PP(pp_getc)
731{
732 dSP; dTARGET;
733 GV *gv;
734
735 if (MAXARG <= 0)
736 gv = stdingv;
737 else
738 gv = (GV*)POPs;
739 if (!gv)
740 gv = argvgv;
741 if (!gv || do_eof(gv)) /* make sure we have fp with something */
742 RETPUSHUNDEF;
743 TAINT_IF(1);
744 sv_setpv(TARG, " ");
745 *SvPVX(TARG) = getc(IoIFP(GvIOp(gv))); /* should never be EOF */
746 PUSHTARG;
747 RETURN;
748}
749
750PP(pp_read)
751{
752 return pp_sysread(ARGS);
753}
754
755static OP *
756doform(cv,gv,retop)
757CV *cv;
758GV *gv;
759OP *retop;
760{
761 register CONTEXT *cx;
762 I32 gimme = GIMME;
763 AV* padlist = CvPADLIST(cv);
764 SV** svp = AvARRAY(padlist);
765
766 ENTER;
767 SAVETMPS;
768
769 push_return(retop);
770 PUSHBLOCK(cx, CXt_SUB, stack_sp);
771 PUSHFORMAT(cx);
772 SAVESPTR(curpad);
773 curpad = AvARRAY((AV*)svp[1]);
774
4633a7c4 775 setdefout(gv); /* locally select filehandle so $% et al work */
a0d0e21e
LW
776 return CvSTART(cv);
777}
778
779PP(pp_enterwrite)
780{
781 dSP;
782 register GV *gv;
783 register IO *io;
784 GV *fgv;
785 CV *cv;
786
787 if (MAXARG == 0)
788 gv = defoutgv;
789 else {
790 gv = (GV*)POPs;
791 if (!gv)
792 gv = defoutgv;
793 }
794 EXTEND(SP, 1);
795 io = GvIO(gv);
796 if (!io) {
797 RETPUSHNO;
798 }
799 if (IoFMT_GV(io))
800 fgv = IoFMT_GV(io);
801 else
802 fgv = gv;
803
804 cv = GvFORM(fgv);
805
806 if (!cv) {
807 if (fgv) {
748a9306
LW
808 SV *tmpsv = sv_newmortal();
809 gv_efullname(tmpsv, gv);
810 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
a0d0e21e
LW
811 }
812 DIE("Not a format reference");
813 }
748a9306 814 IoFLAGS(io) &= ~IOf_DIDTOP;
a0d0e21e
LW
815
816 return doform(cv,gv,op->op_next);
817}
818
819PP(pp_leavewrite)
820{
821 dSP;
822 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
823 register IO *io = GvIOp(gv);
824 FILE *ofp = IoOFP(io);
825 FILE *fp;
826 SV **newsp;
827 I32 gimme;
828 register CONTEXT *cx;
829
830 DEBUG_f(fprintf(stderr,"left=%ld, todo=%ld\n",
831 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
832 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
833 formtarget != toptarget)
834 {
4633a7c4
LW
835 GV *fgv;
836 CV *cv;
a0d0e21e
LW
837 if (!IoTOP_GV(io)) {
838 GV *topgv;
839 char tmpbuf[256];
840
841 if (!IoTOP_NAME(io)) {
842 if (!IoFMT_NAME(io))
843 IoFMT_NAME(io) = savepv(GvNAME(gv));
844 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
845 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
748a9306 846 if ((topgv && GvFORM(topgv)) ||
a0d0e21e
LW
847 !gv_fetchpv("top",FALSE,SVt_PVFM))
848 IoTOP_NAME(io) = savepv(tmpbuf);
849 else
850 IoTOP_NAME(io) = savepv("top");
851 }
852 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
853 if (!topgv || !GvFORM(topgv)) {
854 IoLINES_LEFT(io) = 100000000;
855 goto forget_top;
856 }
857 IoTOP_GV(io) = topgv;
858 }
748a9306
LW
859 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
860 I32 lines = IoLINES_LEFT(io);
861 char *s = SvPVX(formtarget);
8e07c86e
AD
862 if (lines <= 0) /* Yow, header didn't even fit!!! */
863 goto forget_top;
748a9306
LW
864 while (lines-- > 0) {
865 s = strchr(s, '\n');
866 if (!s)
867 break;
868 s++;
869 }
870 if (s) {
871 fwrite1(SvPVX(formtarget), s - SvPVX(formtarget), 1, ofp);
872 sv_chop(formtarget, s);
873 FmLINES(formtarget) -= IoLINES_LEFT(io);
874 }
875 }
a0d0e21e
LW
876 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
877 fwrite1(SvPVX(formfeed), SvCUR(formfeed), 1, ofp);
878 IoLINES_LEFT(io) = IoPAGE_LEN(io);
879 IoPAGE(io)++;
880 formtarget = toptarget;
748a9306 881 IoFLAGS(io) |= IOf_DIDTOP;
4633a7c4
LW
882 fgv = IoTOP_GV(io);
883 if (!fgv)
884 DIE("bad top format reference");
885 cv = GvFORM(fgv);
886 if (!cv) {
887 SV *tmpsv = sv_newmortal();
888 gv_efullname(tmpsv, fgv);
889 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
890 }
891 return doform(cv,gv,op);
a0d0e21e
LW
892 }
893
894 forget_top:
895 POPBLOCK(cx,curpm);
896 POPFORMAT(cx);
897 LEAVE;
898
899 fp = IoOFP(io);
900 if (!fp) {
901 if (dowarn) {
902 if (IoIFP(io))
903 warn("Filehandle only opened for input");
904 else
905 warn("Write on closed filehandle");
906 }
907 PUSHs(&sv_no);
908 }
909 else {
910 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
911 if (dowarn)
912 warn("page overflow");
913 }
914 if (!fwrite1(SvPVX(formtarget), 1, SvCUR(formtarget), ofp) ||
915 ferror(fp))
916 PUSHs(&sv_no);
917 else {
918 FmLINES(formtarget) = 0;
919 SvCUR_set(formtarget, 0);
748a9306 920 *SvEND(formtarget) = '\0';
a0d0e21e
LW
921 if (IoFLAGS(io) & IOf_FLUSH)
922 (void)fflush(fp);
923 PUSHs(&sv_yes);
924 }
925 }
926 formtarget = bodytarget;
927 PUTBACK;
928 return pop_return();
929}
930
931PP(pp_prtf)
932{
933 dSP; dMARK; dORIGMARK;
934 GV *gv;
935 IO *io;
936 FILE *fp;
937 SV *sv = NEWSV(0,0);
938
939 if (op->op_flags & OPf_STACKED)
940 gv = (GV*)*++MARK;
941 else
942 gv = defoutgv;
943 if (!(io = GvIO(gv))) {
748a9306
LW
944 if (dowarn) {
945 gv_fullname(sv,gv);
946 warn("Filehandle %s never opened", SvPV(sv,na));
947 }
948 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW
949 goto just_say_no;
950 }
951 else if (!(fp = IoOFP(io))) {
952 if (dowarn) {
748a9306 953 gv_fullname(sv,gv);
a0d0e21e 954 if (IoIFP(io))
748a9306 955 warn("Filehandle %s opened only for input", SvPV(sv,na));
a0d0e21e 956 else
748a9306 957 warn("printf on closed filehandle %s", SvPV(sv,na));
a0d0e21e 958 }
748a9306 959 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
a0d0e21e
LW
960 goto just_say_no;
961 }
962 else {
963 do_sprintf(sv, SP - MARK, MARK + 1);
964 if (!do_print(sv, fp))
965 goto just_say_no;
966
967 if (IoFLAGS(io) & IOf_FLUSH)
968 if (fflush(fp) == EOF)
969 goto just_say_no;
970 }
971 SvREFCNT_dec(sv);
972 SP = ORIGMARK;
973 PUSHs(&sv_yes);
974 RETURN;
975
976 just_say_no:
977 SvREFCNT_dec(sv);
978 SP = ORIGMARK;
979 PUSHs(&sv_undef);
980 RETURN;
981}
982
c07a80fd
PP
983PP(pp_sysopen)
984{
985 dSP; dTARGET;
986 GV *gv;
987 IO *io;
988 SV *sv;
989 char *tmps;
990 STRLEN len;
991 int mode, perm;
992
993 if (MAXARG > 3)
994 perm = POPi;
995 else
996 perm = 0666;
997 mode = POPi;
998 sv = POPs;
999 gv = (GV *)POPs;
1000
1001 tmps = SvPV(sv, len);
1002 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1003 IoLINES(GvIOp(gv)) = 0;
1004 PUSHs(&sv_yes);
1005 }
1006 else {
1007 PUSHs(&sv_undef);
1008 }
1009 RETURN;
1010}
1011
a0d0e21e
LW
1012PP(pp_sysread)
1013{
1014 dSP; dMARK; dORIGMARK; dTARGET;
1015 int offset;
1016 GV *gv;
1017 IO *io;
1018 char *buffer;
1019 int length;
1020 int bufsize;
748a9306 1021 SV *bufsv;
a0d0e21e
LW
1022 STRLEN blen;
1023
1024 gv = (GV*)*++MARK;
1025 if (!gv)
1026 goto say_undef;
748a9306
LW
1027 bufsv = *++MARK;
1028 buffer = SvPV_force(bufsv, blen);
a0d0e21e
LW
1029 length = SvIVx(*++MARK);
1030 if (length < 0)
1031 DIE("Negative length");
748a9306 1032 SETERRNO(0,0);
a0d0e21e
LW
1033 if (MARK < SP)
1034 offset = SvIVx(*++MARK);
1035 else
1036 offset = 0;
1037 io = GvIO(gv);
1038 if (!io || !IoIFP(io))
1039 goto say_undef;
1040#ifdef HAS_SOCKET
1041 if (op->op_type == OP_RECV) {
1042 bufsize = sizeof buf;
748a9306 1043 buffer = SvGROW(bufsv, length+1);
a0d0e21e
LW
1044 length = recvfrom(fileno(IoIFP(io)), buffer, length, offset,
1045 (struct sockaddr *)buf, &bufsize);
1046 if (length < 0)
1047 RETPUSHUNDEF;
748a9306
LW
1048 SvCUR_set(bufsv, length);
1049 *SvEND(bufsv) = '\0';
1050 (void)SvPOK_only(bufsv);
1051 SvSETMAGIC(bufsv);
a0d0e21e 1052 if (tainting)
748a9306 1053 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
a0d0e21e
LW
1054 SP = ORIGMARK;
1055 sv_setpvn(TARG, buf, bufsize);
1056 PUSHs(TARG);
1057 RETURN;
1058 }
1059#else
1060 if (op->op_type == OP_RECV)
1061 DIE(no_sock_func, "recv");
1062#endif
748a9306 1063 buffer = SvGROW(bufsv, length+offset+1);
a0d0e21e
LW
1064 if (op->op_type == OP_SYSREAD) {
1065 length = read(fileno(IoIFP(io)), buffer+offset, length);
1066 }
1067 else
1068#ifdef HAS_SOCKET__bad_code_maybe
1069 if (IoTYPE(io) == 's') {
1070 bufsize = sizeof buf;
1071 length = recvfrom(fileno(IoIFP(io)), buffer+offset, length, 0,
1072 (struct sockaddr *)buf, &bufsize);
1073 }
1074 else
1075#endif
1076 length = fread(buffer+offset, 1, length, IoIFP(io));
1077 if (length < 0)
1078 goto say_undef;
748a9306
LW
1079 SvCUR_set(bufsv, length+offset);
1080 *SvEND(bufsv) = '\0';
1081 (void)SvPOK_only(bufsv);
1082 SvSETMAGIC(bufsv);
a0d0e21e 1083 if (tainting)
748a9306 1084 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
a0d0e21e
LW
1085 SP = ORIGMARK;
1086 PUSHi(length);
1087 RETURN;
1088
1089 say_undef:
1090 SP = ORIGMARK;
1091 RETPUSHUNDEF;
1092}
1093
1094PP(pp_syswrite)
1095{
1096 return pp_send(ARGS);
1097}
1098
1099PP(pp_send)
1100{
1101 dSP; dMARK; dORIGMARK; dTARGET;
1102 GV *gv;
1103 IO *io;
1104 int offset;
748a9306 1105 SV *bufsv;
a0d0e21e
LW
1106 char *buffer;
1107 int length;
1108 STRLEN blen;
1109
1110 gv = (GV*)*++MARK;
1111 if (!gv)
1112 goto say_undef;
748a9306
LW
1113 bufsv = *++MARK;
1114 buffer = SvPV(bufsv, blen);
a0d0e21e
LW
1115 length = SvIVx(*++MARK);
1116 if (length < 0)
1117 DIE("Negative length");
748a9306 1118 SETERRNO(0,0);
a0d0e21e
LW
1119 io = GvIO(gv);
1120 if (!io || !IoIFP(io)) {
1121 length = -1;
1122 if (dowarn) {
1123 if (op->op_type == OP_SYSWRITE)
1124 warn("Syswrite on closed filehandle");
1125 else
1126 warn("Send on closed socket");
1127 }
1128 }
1129 else if (op->op_type == OP_SYSWRITE) {
1130 if (MARK < SP)
1131 offset = SvIVx(*++MARK);
1132 else
1133 offset = 0;
1134 if (length > blen - offset)
1135 length = blen - offset;
1136 length = write(fileno(IoIFP(io)), buffer+offset, length);
1137 }
1138#ifdef HAS_SOCKET
1139 else if (SP > MARK) {
1140 char *sockbuf;
1141 STRLEN mlen;
1142 sockbuf = SvPVx(*++MARK, mlen);
1143 length = sendto(fileno(IoIFP(io)), buffer, blen, length,
1144 (struct sockaddr *)sockbuf, mlen);
1145 }
1146 else
1147 length = send(fileno(IoIFP(io)), buffer, blen, length);
1148#else
1149 else
1150 DIE(no_sock_func, "send");
1151#endif
1152 if (length < 0)
1153 goto say_undef;
1154 SP = ORIGMARK;
1155 PUSHi(length);
1156 RETURN;
1157
1158 say_undef:
1159 SP = ORIGMARK;
1160 RETPUSHUNDEF;
1161}
1162
1163PP(pp_recv)
1164{
1165 return pp_sysread(ARGS);
1166}
1167
1168PP(pp_eof)
1169{
1170 dSP;
1171 GV *gv;
1172
1173 if (MAXARG <= 0)
1174 gv = last_in_gv;
1175 else
1176 gv = last_in_gv = (GV*)POPs;
1177 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1178 RETURN;
1179}
1180
1181PP(pp_tell)
1182{
1183 dSP; dTARGET;
1184 GV *gv;
1185
1186 if (MAXARG <= 0)
1187 gv = last_in_gv;
1188 else
1189 gv = last_in_gv = (GV*)POPs;
1190 PUSHi( do_tell(gv) );
1191 RETURN;
1192}
1193
1194PP(pp_seek)
1195{
1196 dSP;
1197 GV *gv;
1198 int whence = POPi;
1199 long offset = POPl;
1200
1201 gv = last_in_gv = (GV*)POPs;
1202 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1203 RETURN;
1204}
1205
1206PP(pp_truncate)
1207{
1208 dSP;
1209 Off_t len = (Off_t)POPn;
1210 int result = 1;
1211 GV *tmpgv;
1212
748a9306 1213 SETERRNO(0,0);
5d94fbed 1214#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
a0d0e21e
LW
1215#ifdef HAS_TRUNCATE
1216 if (op->op_flags & OPf_SPECIAL) {
1217 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1218 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1219 ftruncate(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1220 result = 0;
1221 }
1222 else if (truncate(POPp, len) < 0)
1223 result = 0;
1224#else
1225 if (op->op_flags & OPf_SPECIAL) {
1226 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1227 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1228 chsize(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1229 result = 0;
1230 }
1231 else {
1232 int tmpfd;
1233
1234 if ((tmpfd = open(POPp, 0)) < 0)
1235 result = 0;
1236 else {
1237 if (chsize(tmpfd, len) < 0)
1238 result = 0;
1239 close(tmpfd);
1240 }
1241 }
1242#endif
1243
1244 if (result)
1245 RETPUSHYES;
1246 if (!errno)
748a9306 1247 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW
1248 RETPUSHUNDEF;
1249#else
1250 DIE("truncate not implemented");
1251#endif
1252}
1253
1254PP(pp_fcntl)
1255{
1256 return pp_ioctl(ARGS);
1257}
1258
1259PP(pp_ioctl)
1260{
1261 dSP; dTARGET;
748a9306 1262 SV *argsv = POPs;
a0d0e21e
LW
1263 unsigned int func = U_I(POPn);
1264 int optype = op->op_type;
1265 char *s;
1266 int retval;
1267 GV *gv = (GV*)POPs;
1268 IO *io = GvIOn(gv);
1269
748a9306
LW
1270 if (!io || !argsv || !IoIFP(io)) {
1271 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
a0d0e21e
LW
1272 RETPUSHUNDEF;
1273 }
1274
748a9306 1275 if (SvPOK(argsv) || !SvNIOK(argsv)) {
a0d0e21e 1276 STRLEN len;
748a9306 1277 s = SvPV_force(argsv, len);
a0d0e21e
LW
1278 retval = IOCPARM_LEN(func);
1279 if (len < retval) {
748a9306
LW
1280 s = Sv_Grow(argsv, retval+1);
1281 SvCUR_set(argsv, retval);
a0d0e21e
LW
1282 }
1283
748a9306 1284 s[SvCUR(argsv)] = 17; /* a little sanity check here */
a0d0e21e
LW
1285 }
1286 else {
748a9306 1287 retval = SvIV(argsv);
a0d0e21e
LW
1288#ifdef DOSISH
1289 s = (char*)(long)retval; /* ouch */
1290#else
1291 s = (char*)retval; /* ouch */
1292#endif
1293 }
1294
1295 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1296
1297 if (optype == OP_IOCTL)
1298#ifdef HAS_IOCTL
1299 retval = ioctl(fileno(IoIFP(io)), func, s);
1300#else
1301 DIE("ioctl is not implemented");
1302#endif
1303 else
4633a7c4 1304#if defined(DOSISH) && !defined(OS2)
a0d0e21e
LW
1305 DIE("fcntl is not implemented");
1306#else
1307# ifdef HAS_FCNTL
4633a7c4
LW
1308# if defined(OS2) && defined(__EMX__)
1309 retval = fcntl(fileno(IoIFP(io)), func, (int)s);
1310# else
a0d0e21e 1311 retval = fcntl(fileno(IoIFP(io)), func, s);
4633a7c4 1312# endif
a0d0e21e
LW
1313# else
1314 DIE("fcntl is not implemented");
1315# endif
1316#endif
1317
748a9306
LW
1318 if (SvPOK(argsv)) {
1319 if (s[SvCUR(argsv)] != 17)
a0d0e21e
LW
1320 DIE("Possible memory corruption: %s overflowed 3rd argument",
1321 op_name[optype]);
748a9306
LW
1322 s[SvCUR(argsv)] = 0; /* put our null back */
1323 SvSETMAGIC(argsv); /* Assume it has changed */
a0d0e21e
LW
1324 }
1325
1326 if (retval == -1)
1327 RETPUSHUNDEF;
1328 if (retval != 0) {
1329 PUSHi(retval);
1330 }
1331 else {
1332 PUSHp("0 but true", 10);
1333 }
1334 RETURN;
1335}
1336
1337PP(pp_flock)
1338{
1339 dSP; dTARGET;
1340 I32 value;
1341 int argtype;
1342 GV *gv;
1343 FILE *fp;
16d20bd9
AD
1344
1345#if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
1346# define flock lockf_emulate_flock
1347#endif
1348
1349#if defined(HAS_FLOCK) || defined(flock)
a0d0e21e
LW
1350 argtype = POPi;
1351 if (MAXARG <= 0)
1352 gv = last_in_gv;
1353 else
1354 gv = (GV*)POPs;
1355 if (gv && GvIO(gv))
1356 fp = IoIFP(GvIOp(gv));
1357 else
1358 fp = Nullfp;
1359 if (fp) {
1360 value = (I32)(flock(fileno(fp), argtype) >= 0);
1361 }
1362 else
1363 value = 0;
1364 PUSHi(value);
1365 RETURN;
1366#else
a0d0e21e 1367 DIE(no_func, "flock()");
a0d0e21e
LW
1368#endif
1369}
1370
1371/* Sockets. */
1372
1373PP(pp_socket)
1374{
1375 dSP;
1376#ifdef HAS_SOCKET
1377 GV *gv;
1378 register IO *io;
1379 int protocol = POPi;
1380 int type = POPi;
1381 int domain = POPi;
1382 int fd;
1383
1384 gv = (GV*)POPs;
1385
1386 if (!gv) {
748a9306 1387 SETERRNO(EBADF,LIB$_INVARG);
a0d0e21e
LW
1388 RETPUSHUNDEF;
1389 }
1390
1391 io = GvIOn(gv);
1392 if (IoIFP(io))
1393 do_close(gv, FALSE);
1394
1395 TAINT_PROPER("socket");
1396 fd = socket(domain, type, protocol);
1397 if (fd < 0)
1398 RETPUSHUNDEF;
1399 IoIFP(io) = fdopen(fd, "r"); /* stdio gets confused about sockets */
1400 IoOFP(io) = fdopen(fd, "w");
1401 IoTYPE(io) = 's';
1402 if (!IoIFP(io) || !IoOFP(io)) {
1403 if (IoIFP(io)) fclose(IoIFP(io));
1404 if (IoOFP(io)) fclose(IoOFP(io));
1405 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1406 RETPUSHUNDEF;
1407 }
1408
1409 RETPUSHYES;
1410#else
1411 DIE(no_sock_func, "socket");
1412#endif
1413}
1414
1415PP(pp_sockpair)
1416{
1417 dSP;
1418#ifdef HAS_SOCKETPAIR
1419 GV *gv1;
1420 GV *gv2;
1421 register IO *io1;
1422 register IO *io2;
1423 int protocol = POPi;
1424 int type = POPi;
1425 int domain = POPi;
1426 int fd[2];
1427
1428 gv2 = (GV*)POPs;
1429 gv1 = (GV*)POPs;
1430 if (!gv1 || !gv2)
1431 RETPUSHUNDEF;
1432
1433 io1 = GvIOn(gv1);
1434 io2 = GvIOn(gv2);
1435 if (IoIFP(io1))
1436 do_close(gv1, FALSE);
1437 if (IoIFP(io2))
1438 do_close(gv2, FALSE);
1439
1440 TAINT_PROPER("socketpair");
1441 if (socketpair(domain, type, protocol, fd) < 0)
1442 RETPUSHUNDEF;
1443 IoIFP(io1) = fdopen(fd[0], "r");
1444 IoOFP(io1) = fdopen(fd[0], "w");
1445 IoTYPE(io1) = 's';
1446 IoIFP(io2) = fdopen(fd[1], "r");
1447 IoOFP(io2) = fdopen(fd[1], "w");
1448 IoTYPE(io2) = 's';
1449 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1450 if (IoIFP(io1)) fclose(IoIFP(io1));
1451 if (IoOFP(io1)) fclose(IoOFP(io1));
1452 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1453 if (IoIFP(io2)) fclose(IoIFP(io2));
1454 if (IoOFP(io2)) fclose(IoOFP(io2));
1455 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1456 RETPUSHUNDEF;
1457 }
1458
1459 RETPUSHYES;
1460#else
1461 DIE(no_sock_func, "socketpair");
1462#endif
1463}
1464
1465PP(pp_bind)
1466{
1467 dSP;
1468#ifdef HAS_SOCKET
748a9306 1469 SV *addrsv = POPs;
a0d0e21e
LW
1470 char *addr;
1471 GV *gv = (GV*)POPs;
1472 register IO *io = GvIOn(gv);
1473 STRLEN len;
1474
1475 if (!io || !IoIFP(io))
1476 goto nuts;
1477
748a9306 1478 addr = SvPV(addrsv, len);
a0d0e21e
LW
1479 TAINT_PROPER("bind");
1480 if (bind(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1481 RETPUSHYES;
1482 else
1483 RETPUSHUNDEF;
1484
1485nuts:
1486 if (dowarn)
1487 warn("bind() on closed fd");
748a9306 1488 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1489 RETPUSHUNDEF;
1490#else
1491 DIE(no_sock_func, "bind");
1492#endif
1493}
1494
1495PP(pp_connect)
1496{
1497 dSP;
1498#ifdef HAS_SOCKET
748a9306 1499 SV *addrsv = POPs;
a0d0e21e
LW
1500 char *addr;
1501 GV *gv = (GV*)POPs;
1502 register IO *io = GvIOn(gv);
1503 STRLEN len;
1504
1505 if (!io || !IoIFP(io))
1506 goto nuts;
1507
748a9306 1508 addr = SvPV(addrsv, len);
a0d0e21e
LW
1509 TAINT_PROPER("connect");
1510 if (connect(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1511 RETPUSHYES;
1512 else
1513 RETPUSHUNDEF;
1514
1515nuts:
1516 if (dowarn)
1517 warn("connect() on closed fd");
748a9306 1518 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1519 RETPUSHUNDEF;
1520#else
1521 DIE(no_sock_func, "connect");
1522#endif
1523}
1524
1525PP(pp_listen)
1526{
1527 dSP;
1528#ifdef HAS_SOCKET
1529 int backlog = POPi;
1530 GV *gv = (GV*)POPs;
1531 register IO *io = GvIOn(gv);
1532
1533 if (!io || !IoIFP(io))
1534 goto nuts;
1535
1536 if (listen(fileno(IoIFP(io)), backlog) >= 0)
1537 RETPUSHYES;
1538 else
1539 RETPUSHUNDEF;
1540
1541nuts:
1542 if (dowarn)
1543 warn("listen() on closed fd");
748a9306 1544 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1545 RETPUSHUNDEF;
1546#else
1547 DIE(no_sock_func, "listen");
1548#endif
1549}
1550
1551PP(pp_accept)
1552{
1553 dSP; dTARGET;
1554#ifdef HAS_SOCKET
1555 GV *ngv;
1556 GV *ggv;
1557 register IO *nstio;
1558 register IO *gstio;
4633a7c4 1559 struct sockaddr saddr; /* use a struct to avoid alignment problems */
748a9306 1560 int len = sizeof saddr;
a0d0e21e
LW
1561 int fd;
1562
1563 ggv = (GV*)POPs;
1564 ngv = (GV*)POPs;
1565
1566 if (!ngv)
1567 goto badexit;
1568 if (!ggv)
1569 goto nuts;
1570
1571 gstio = GvIO(ggv);
1572 if (!gstio || !IoIFP(gstio))
1573 goto nuts;
1574
1575 nstio = GvIOn(ngv);
1576 if (IoIFP(nstio))
1577 do_close(ngv, FALSE);
1578
748a9306 1579 fd = accept(fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
a0d0e21e
LW
1580 if (fd < 0)
1581 goto badexit;
1582 IoIFP(nstio) = fdopen(fd, "r");
1583 IoOFP(nstio) = fdopen(fd, "w");
1584 IoTYPE(nstio) = 's';
1585 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1586 if (IoIFP(nstio)) fclose(IoIFP(nstio));
1587 if (IoOFP(nstio)) fclose(IoOFP(nstio));
1588 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1589 goto badexit;
1590 }
1591
748a9306 1592 PUSHp((char *)&saddr, len);
a0d0e21e
LW
1593 RETURN;
1594
1595nuts:
1596 if (dowarn)
1597 warn("accept() on closed fd");
748a9306 1598 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1599
1600badexit:
1601 RETPUSHUNDEF;
1602
1603#else
1604 DIE(no_sock_func, "accept");
1605#endif
1606}
1607
1608PP(pp_shutdown)
1609{
1610 dSP; dTARGET;
1611#ifdef HAS_SOCKET
1612 int how = POPi;
1613 GV *gv = (GV*)POPs;
1614 register IO *io = GvIOn(gv);
1615
1616 if (!io || !IoIFP(io))
1617 goto nuts;
1618
1619 PUSHi( shutdown(fileno(IoIFP(io)), how) >= 0 );
1620 RETURN;
1621
1622nuts:
1623 if (dowarn)
1624 warn("shutdown() on closed fd");
748a9306 1625 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1626 RETPUSHUNDEF;
1627#else
1628 DIE(no_sock_func, "shutdown");
1629#endif
1630}
1631
1632PP(pp_gsockopt)
1633{
1634#ifdef HAS_SOCKET
1635 return pp_ssockopt(ARGS);
1636#else
1637 DIE(no_sock_func, "getsockopt");
1638#endif
1639}
1640
1641PP(pp_ssockopt)
1642{
1643 dSP;
1644#ifdef HAS_SOCKET
1645 int optype = op->op_type;
1646 SV *sv;
1647 int fd;
1648 unsigned int optname;
1649 unsigned int lvl;
1650 GV *gv;
1651 register IO *io;
748a9306 1652 int aint;
a0d0e21e
LW
1653
1654 if (optype == OP_GSOCKOPT)
1655 sv = sv_2mortal(NEWSV(22, 257));
1656 else
1657 sv = POPs;
1658 optname = (unsigned int) POPi;
1659 lvl = (unsigned int) POPi;
1660
1661 gv = (GV*)POPs;
1662 io = GvIOn(gv);
1663 if (!io || !IoIFP(io))
1664 goto nuts;
1665
1666 fd = fileno(IoIFP(io));
1667 switch (optype) {
1668 case OP_GSOCKOPT:
748a9306 1669 SvGROW(sv, 257);
a0d0e21e 1670 (void)SvPOK_only(sv);
748a9306
LW
1671 SvCUR_set(sv,256);
1672 *SvEND(sv) ='\0';
1673 aint = SvCUR(sv);
1674 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
a0d0e21e 1675 goto nuts2;
748a9306
LW
1676 SvCUR_set(sv,aint);
1677 *SvEND(sv) ='\0';
a0d0e21e
LW
1678 PUSHs(sv);
1679 break;
1680 case OP_SSOCKOPT: {
a0d0e21e
LW
1681 STRLEN len = 0;
1682 char *buf = 0;
1683 if (SvPOKp(sv))
1684 buf = SvPV(sv, len);
1685 else if (SvOK(sv)) {
1686 aint = (int)SvIV(sv);
1687 buf = (char*)&aint;
1688 len = sizeof(int);
1689 }
1690 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1691 goto nuts2;
1692 PUSHs(&sv_yes);
1693 }
1694 break;
1695 }
1696 RETURN;
1697
1698nuts:
1699 if (dowarn)
1700 warn("[gs]etsockopt() on closed fd");
748a9306 1701 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1702nuts2:
1703 RETPUSHUNDEF;
1704
1705#else
1706 DIE(no_sock_func, "setsockopt");
1707#endif
1708}
1709
1710PP(pp_getsockname)
1711{
1712#ifdef HAS_SOCKET
1713 return pp_getpeername(ARGS);
1714#else
1715 DIE(no_sock_func, "getsockname");
1716#endif
1717}
1718
1719PP(pp_getpeername)
1720{
1721 dSP;
1722#ifdef HAS_SOCKET
1723 int optype = op->op_type;
1724 SV *sv;
1725 int fd;
1726 GV *gv = (GV*)POPs;
1727 register IO *io = GvIOn(gv);
748a9306 1728 int aint;
a0d0e21e
LW
1729
1730 if (!io || !IoIFP(io))
1731 goto nuts;
1732
1733 sv = sv_2mortal(NEWSV(22, 257));
748a9306
LW
1734 (void)SvPOK_only(sv);
1735 SvCUR_set(sv,256);
1736 *SvEND(sv) ='\0';
1737 aint = SvCUR(sv);
a0d0e21e
LW
1738 fd = fileno(IoIFP(io));
1739 switch (optype) {
1740 case OP_GETSOCKNAME:
748a9306 1741 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
a0d0e21e
LW
1742 goto nuts2;
1743 break;
1744 case OP_GETPEERNAME:
748a9306 1745 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
a0d0e21e
LW
1746 goto nuts2;
1747 break;
1748 }
748a9306
LW
1749 SvCUR_set(sv,aint);
1750 *SvEND(sv) ='\0';
a0d0e21e
LW
1751 PUSHs(sv);
1752 RETURN;
1753
1754nuts:
1755 if (dowarn)
1756 warn("get{sock, peer}name() on closed fd");
748a9306 1757 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW
1758nuts2:
1759 RETPUSHUNDEF;
1760
1761#else
1762 DIE(no_sock_func, "getpeername");
1763#endif
1764}
1765
1766/* Stat calls. */
1767
1768PP(pp_lstat)
1769{
1770 return pp_stat(ARGS);
1771}
1772
1773PP(pp_stat)
1774{
1775 dSP;
1776 GV *tmpgv;
1777 I32 max = 13;
1778
1779 if (op->op_flags & OPf_REF) {
1780 tmpgv = cGVOP->op_gv;
748a9306 1781 do_fstat:
a0d0e21e
LW
1782 if (tmpgv != defgv) {
1783 laststype = OP_STAT;
1784 statgv = tmpgv;
1785 sv_setpv(statname, "");
1786 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1787 Fstat(fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1788 max = 0;
1789 laststatval = -1;
1790 }
1791 }
1792 else if (laststatval < 0)
1793 max = 0;
1794 }
1795 else {
748a9306
LW
1796 SV* sv = POPs;
1797 if (SvTYPE(sv) == SVt_PVGV) {
1798 tmpgv = (GV*)sv;
1799 goto do_fstat;
1800 }
1801 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1802 tmpgv = (GV*)SvRV(sv);
1803 goto do_fstat;
1804 }
1805 sv_setpv(statname, SvPV(sv,na));
a0d0e21e
LW
1806 statgv = Nullgv;
1807#ifdef HAS_LSTAT
1808 laststype = op->op_type;
1809 if (op->op_type == OP_LSTAT)
1810 laststatval = lstat(SvPV(statname, na), &statcache);
1811 else
1812#endif
1813 laststatval = Stat(SvPV(statname, na), &statcache);
1814 if (laststatval < 0) {
1815 if (dowarn && strchr(SvPV(statname, na), '\n'))
1816 warn(warn_nl, "stat");
1817 max = 0;
1818 }
1819 }
1820
1821 EXTEND(SP, 13);
1822 if (GIMME != G_ARRAY) {
1823 if (max)
1824 RETPUSHYES;
1825 else
1826 RETPUSHUNDEF;
1827 }
1828 if (max) {
1829 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1830 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1831 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1832 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1833 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1834 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1835 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1836 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1837 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1838 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1839 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1840#ifdef USE_STAT_BLOCKS
1841 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1842 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1843#else
1844 PUSHs(sv_2mortal(newSVpv("", 0)));
1845 PUSHs(sv_2mortal(newSVpv("", 0)));
1846#endif
1847 }
1848 RETURN;
1849}
1850
1851PP(pp_ftrread)
1852{
1853 I32 result = my_stat(ARGS);
1854 dSP;
1855 if (result < 0)
1856 RETPUSHUNDEF;
1857 if (cando(S_IRUSR, 0, &statcache))
1858 RETPUSHYES;
1859 RETPUSHNO;
1860}
1861
1862PP(pp_ftrwrite)
1863{
1864 I32 result = my_stat(ARGS);
1865 dSP;
1866 if (result < 0)
1867 RETPUSHUNDEF;
1868 if (cando(S_IWUSR, 0, &statcache))
1869 RETPUSHYES;
1870 RETPUSHNO;
1871}
1872
1873PP(pp_ftrexec)
1874{
1875 I32 result = my_stat(ARGS);
1876 dSP;
1877 if (result < 0)
1878 RETPUSHUNDEF;
1879 if (cando(S_IXUSR, 0, &statcache))
1880 RETPUSHYES;
1881 RETPUSHNO;
1882}
1883
1884PP(pp_fteread)
1885{
1886 I32 result = my_stat(ARGS);
1887 dSP;
1888 if (result < 0)
1889 RETPUSHUNDEF;
1890 if (cando(S_IRUSR, 1, &statcache))
1891 RETPUSHYES;
1892 RETPUSHNO;
1893}
1894
1895PP(pp_ftewrite)
1896{
1897 I32 result = my_stat(ARGS);
1898 dSP;
1899 if (result < 0)
1900 RETPUSHUNDEF;
1901 if (cando(S_IWUSR, 1, &statcache))
1902 RETPUSHYES;
1903 RETPUSHNO;
1904}
1905
1906PP(pp_fteexec)
1907{
1908 I32 result = my_stat(ARGS);
1909 dSP;
1910 if (result < 0)
1911 RETPUSHUNDEF;
1912 if (cando(S_IXUSR, 1, &statcache))
1913 RETPUSHYES;
1914 RETPUSHNO;
1915}
1916
1917PP(pp_ftis)
1918{
1919 I32 result = my_stat(ARGS);
1920 dSP;
1921 if (result < 0)
1922 RETPUSHUNDEF;
1923 RETPUSHYES;
1924}
1925
1926PP(pp_fteowned)
1927{
1928 return pp_ftrowned(ARGS);
1929}
1930
1931PP(pp_ftrowned)
1932{
1933 I32 result = my_stat(ARGS);
1934 dSP;
1935 if (result < 0)
1936 RETPUSHUNDEF;
1937 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
1938 RETPUSHYES;
1939 RETPUSHNO;
1940}
1941
1942PP(pp_ftzero)
1943{
1944 I32 result = my_stat(ARGS);
1945 dSP;
1946 if (result < 0)
1947 RETPUSHUNDEF;
1948 if (!statcache.st_size)
1949 RETPUSHYES;
1950 RETPUSHNO;
1951}
1952
1953PP(pp_ftsize)
1954{
1955 I32 result = my_stat(ARGS);
1956 dSP; dTARGET;
1957 if (result < 0)
1958 RETPUSHUNDEF;
1959 PUSHi(statcache.st_size);
1960 RETURN;
1961}
1962
1963PP(pp_ftmtime)
1964{
1965 I32 result = my_stat(ARGS);
1966 dSP; dTARGET;
1967 if (result < 0)
1968 RETPUSHUNDEF;
1969 PUSHn( (basetime - statcache.st_mtime) / 86400.0 );
1970 RETURN;
1971}
1972
1973PP(pp_ftatime)
1974{
1975 I32 result = my_stat(ARGS);
1976 dSP; dTARGET;
1977 if (result < 0)
1978 RETPUSHUNDEF;
1979 PUSHn( (basetime - statcache.st_atime) / 86400.0 );
1980 RETURN;
1981}
1982
1983PP(pp_ftctime)
1984{
1985 I32 result = my_stat(ARGS);
1986 dSP; dTARGET;
1987 if (result < 0)
1988 RETPUSHUNDEF;
1989 PUSHn( (basetime - statcache.st_ctime) / 86400.0 );
1990 RETURN;
1991}
1992
1993PP(pp_ftsock)
1994{
1995 I32 result = my_stat(ARGS);
1996 dSP;
1997 if (result < 0)
1998 RETPUSHUNDEF;
1999 if (S_ISSOCK(statcache.st_mode))
2000 RETPUSHYES;
2001 RETPUSHNO;
2002}
2003
2004PP(pp_ftchr)
2005{
2006 I32 result = my_stat(ARGS);
2007 dSP;
2008 if (result < 0)
2009 RETPUSHUNDEF;
2010 if (S_ISCHR(statcache.st_mode))
2011 RETPUSHYES;
2012 RETPUSHNO;
2013}
2014
2015PP(pp_ftblk)
2016{
2017 I32 result = my_stat(ARGS);
2018 dSP;
2019 if (result < 0)
2020 RETPUSHUNDEF;
2021 if (S_ISBLK(statcache.st_mode))
2022 RETPUSHYES;
2023 RETPUSHNO;
2024}
2025
2026PP(pp_ftfile)
2027{
2028 I32 result = my_stat(ARGS);
2029 dSP;
2030 if (result < 0)
2031 RETPUSHUNDEF;
2032 if (S_ISREG(statcache.st_mode))
2033 RETPUSHYES;
2034 RETPUSHNO;
2035}
2036
2037PP(pp_ftdir)
2038{
2039 I32 result = my_stat(ARGS);
2040 dSP;
2041 if (result < 0)
2042 RETPUSHUNDEF;
2043 if (S_ISDIR(statcache.st_mode))
2044 RETPUSHYES;
2045 RETPUSHNO;
2046}
2047
2048PP(pp_ftpipe)
2049{
2050 I32 result = my_stat(ARGS);
2051 dSP;
2052 if (result < 0)
2053 RETPUSHUNDEF;
2054 if (S_ISFIFO(statcache.st_mode))
2055 RETPUSHYES;
2056 RETPUSHNO;
2057}
2058
2059PP(pp_ftlink)
2060{
2061 I32 result = my_lstat(ARGS);
2062 dSP;
2063 if (result < 0)
2064 RETPUSHUNDEF;
2065 if (S_ISLNK(statcache.st_mode))
2066 RETPUSHYES;
2067 RETPUSHNO;
2068}
2069
2070PP(pp_ftsuid)
2071{
2072 dSP;
2073#ifdef S_ISUID
2074 I32 result = my_stat(ARGS);
2075 SPAGAIN;
2076 if (result < 0)
2077 RETPUSHUNDEF;
2078 if (statcache.st_mode & S_ISUID)
2079 RETPUSHYES;
2080#endif
2081 RETPUSHNO;
2082}
2083
2084PP(pp_ftsgid)
2085{
2086 dSP;
2087#ifdef S_ISGID
2088 I32 result = my_stat(ARGS);
2089 SPAGAIN;
2090 if (result < 0)
2091 RETPUSHUNDEF;
2092 if (statcache.st_mode & S_ISGID)
2093 RETPUSHYES;
2094#endif
2095 RETPUSHNO;
2096}
2097
2098PP(pp_ftsvtx)
2099{
2100 dSP;
2101#ifdef S_ISVTX
2102 I32 result = my_stat(ARGS);
2103 SPAGAIN;
2104 if (result < 0)
2105 RETPUSHUNDEF;
2106 if (statcache.st_mode & S_ISVTX)
2107 RETPUSHYES;
2108#endif
2109 RETPUSHNO;
2110}
2111
2112PP(pp_fttty)
2113{
2114 dSP;
2115 int fd;
2116 GV *gv;
2117 char *tmps;
2118 if (op->op_flags & OPf_REF) {
2119 gv = cGVOP->op_gv;
2120 tmps = "";
2121 }
2122 else
2123 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2124 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2125 fd = fileno(IoIFP(GvIOp(gv)));
2126 else if (isDIGIT(*tmps))
2127 fd = atoi(tmps);
2128 else
2129 RETPUSHUNDEF;
2130 if (isatty(fd))
2131 RETPUSHYES;
2132 RETPUSHNO;
2133}
2134
16d20bd9
AD
2135#if defined(atarist) /* this will work with atariST. Configure will
2136 make guesses for other systems. */
2137# define FILE_base(f) ((f)->_base)
2138# define FILE_ptr(f) ((f)->_ptr)
2139# define FILE_cnt(f) ((f)->_cnt)
2140# define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
a0d0e21e
LW
2141#endif
2142
2143PP(pp_fttext)
2144{
2145 dSP;
2146 I32 i;
2147 I32 len;
2148 I32 odd = 0;
2149 STDCHAR tbuf[512];
2150 register STDCHAR *s;
2151 register IO *io;
2152 SV *sv;
2153
2154 if (op->op_flags & OPf_REF) {
2155 EXTEND(SP, 1);
2156 if (cGVOP->op_gv == defgv) {
2157 if (statgv)
2158 io = GvIO(statgv);
2159 else {
2160 sv = statname;
2161 goto really_filename;
2162 }
2163 }
2164 else {
2165 statgv = cGVOP->op_gv;
2166 sv_setpv(statname, "");
2167 io = GvIO(statgv);
2168 }
2169 if (io && IoIFP(io)) {
16d20bd9 2170#ifdef FILE_base
a0d0e21e
LW
2171 Fstat(fileno(IoIFP(io)), &statcache);
2172 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2173 if (op->op_type == OP_FTTEXT)
2174 RETPUSHNO;
2175 else
2176 RETPUSHYES;
16d20bd9 2177 if (FILE_cnt(IoIFP(io)) <= 0) {
a0d0e21e
LW
2178 i = getc(IoIFP(io));
2179 if (i != EOF)
2180 (void)ungetc(i, IoIFP(io));
2181 }
16d20bd9 2182 if (FILE_cnt(IoIFP(io)) <= 0) /* null file is anything */
a0d0e21e 2183 RETPUSHYES;
16d20bd9
AD
2184 len = FILE_bufsiz(IoIFP(io));
2185 s = FILE_base(IoIFP(io));
a0d0e21e
LW
2186#else
2187 DIE("-T and -B not implemented on filehandles");
2188#endif
2189 }
2190 else {
2191 if (dowarn)
2192 warn("Test on unopened file <%s>",
2193 GvENAME(cGVOP->op_gv));
748a9306 2194 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW
2195 RETPUSHUNDEF;
2196 }
2197 }
2198 else {
2199 sv = POPs;
2200 statgv = Nullgv;
2201 sv_setpv(statname, SvPV(sv, na));
2202 really_filename:
2203#ifdef HAS_OPEN3
2204 i = open(SvPV(sv, na), O_RDONLY, 0);
2205#else
2206 i = open(SvPV(sv, na), 0);
2207#endif
2208 if (i < 0) {
2209 if (dowarn && strchr(SvPV(sv, na), '\n'))
2210 warn(warn_nl, "open");
2211 RETPUSHUNDEF;
2212 }
2213 Fstat(i, &statcache);
2214 len = read(i, tbuf, 512);
2215 (void)close(i);
2216 if (len <= 0) {
2217 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2218 RETPUSHNO; /* special case NFS directories */
2219 RETPUSHYES; /* null file is anything */
2220 }
2221 s = tbuf;
2222 }
2223
2224 /* now scan s to look for textiness */
4633a7c4 2225 /* XXX ASCII dependent code */
a0d0e21e
LW
2226
2227 for (i = 0; i < len; i++, s++) {
2228 if (!*s) { /* null never allowed in text */
2229 odd += len;
2230 break;
2231 }
2232 else if (*s & 128)
2233 odd++;
2234 else if (*s < 32 &&
2235 *s != '\n' && *s != '\r' && *s != '\b' &&
2236 *s != '\t' && *s != '\f' && *s != 27)
2237 odd++;
2238 }
2239
4633a7c4 2240 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
a0d0e21e
LW
2241 RETPUSHNO;
2242 else
2243 RETPUSHYES;
2244}
2245
2246PP(pp_ftbinary)
2247{
2248 return pp_fttext(ARGS);
2249}
2250
2251/* File calls. */
2252
2253PP(pp_chdir)
2254{
2255 dSP; dTARGET;
2256 char *tmps;
2257 SV **svp;
2258
2259 if (MAXARG < 1)
2260 tmps = Nullch;
2261 else
2262 tmps = POPp;
2263 if (!tmps || !*tmps) {
2264 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2265 if (svp)
2266 tmps = SvPV(*svp, na);
2267 }
2268 if (!tmps || !*tmps) {
2269 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2270 if (svp)
2271 tmps = SvPV(*svp, na);
2272 }
2273 TAINT_PROPER("chdir");
2274 PUSHi( chdir(tmps) >= 0 );
748a9306
LW
2275#ifdef VMS
2276 /* Clear the DEFAULT element of ENV so we'll get the new value
2277 * in the future. */
4633a7c4 2278 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
748a9306 2279#endif
a0d0e21e
LW
2280 RETURN;
2281}
2282
2283PP(pp_chown)
2284{
2285 dSP; dMARK; dTARGET;
2286 I32 value;
2287#ifdef HAS_CHOWN
2288 value = (I32)apply(op->op_type, MARK, SP);
2289 SP = MARK;
2290 PUSHi(value);
2291 RETURN;
2292#else
2293 DIE(no_func, "Unsupported function chown");
2294#endif
2295}
2296
2297PP(pp_chroot)
2298{
2299 dSP; dTARGET;
2300 char *tmps;
2301#ifdef HAS_CHROOT
2302 tmps = POPp;
2303 TAINT_PROPER("chroot");
2304 PUSHi( chroot(tmps) >= 0 );
2305 RETURN;
2306#else
2307 DIE(no_func, "chroot");
2308#endif
2309}
2310
2311PP(pp_unlink)
2312{
2313 dSP; dMARK; dTARGET;
2314 I32 value;
2315 value = (I32)apply(op->op_type, MARK, SP);
2316 SP = MARK;
2317 PUSHi(value);
2318 RETURN;
2319}
2320
2321PP(pp_chmod)
2322{
2323 dSP; dMARK; dTARGET;
2324 I32 value;
2325 value = (I32)apply(op->op_type, MARK, SP);
2326 SP = MARK;
2327 PUSHi(value);
2328 RETURN;
2329}
2330
2331PP(pp_utime)
2332{
2333 dSP; dMARK; dTARGET;
2334 I32 value;
2335 value = (I32)apply(op->op_type, MARK, SP);
2336 SP = MARK;
2337 PUSHi(value);
2338 RETURN;
2339}
2340
2341PP(pp_rename)
2342{
2343 dSP; dTARGET;
2344 int anum;
2345
2346 char *tmps2 = POPp;
2347 char *tmps = SvPV(TOPs, na);
2348 TAINT_PROPER("rename");
2349#ifdef HAS_RENAME
2350 anum = rename(tmps, tmps2);
2351#else
2352 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2353 anum = 1;
2354 else {
2355 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2356 (void)UNLINK(tmps2);
2357 if (!(anum = link(tmps, tmps2)))
2358 anum = UNLINK(tmps);
2359 }
2360#endif
2361 SETi( anum >= 0 );
2362 RETURN;
2363}
2364
2365PP(pp_link)
2366{
2367 dSP; dTARGET;
2368#ifdef HAS_LINK
2369 char *tmps2 = POPp;
2370 char *tmps = SvPV(TOPs, na);
2371 TAINT_PROPER("link");
2372 SETi( link(tmps, tmps2) >= 0 );
2373#else
2374 DIE(no_func, "Unsupported function link");
2375#endif
2376 RETURN;
2377}
2378
2379PP(pp_symlink)
2380{
2381 dSP; dTARGET;
2382#ifdef HAS_SYMLINK
2383 char *tmps2 = POPp;
2384 char *tmps = SvPV(TOPs, na);
2385 TAINT_PROPER("symlink");
2386 SETi( symlink(tmps, tmps2) >= 0 );
2387 RETURN;
2388#else
2389 DIE(no_func, "symlink");
2390#endif
2391}
2392
2393PP(pp_readlink)
2394{
2395 dSP; dTARGET;
2396#ifdef HAS_SYMLINK
2397 char *tmps;
2398 int len;
2399 tmps = POPp;
2400 len = readlink(tmps, buf, sizeof buf);
2401 EXTEND(SP, 1);
2402 if (len < 0)
2403 RETPUSHUNDEF;
2404 PUSHp(buf, len);
2405 RETURN;
2406#else
2407 EXTEND(SP, 1);
2408 RETSETUNDEF; /* just pretend it's a normal file */
2409#endif
2410}
2411
2412#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2413static int
2414dooneliner(cmd, filename)
2415char *cmd;
2416char *filename;
2417{
2418 char mybuf[8192];
16d20bd9 2419 char *s,
5d94fbed 2420 *save_filename = filename;
a0d0e21e
LW
2421 int anum = 1;
2422 FILE *myfp;
2423
2424 strcpy(mybuf, cmd);
2425 strcat(mybuf, " ");
2426 for (s = mybuf+strlen(mybuf); *filename; ) {
2427 *s++ = '\\';
2428 *s++ = *filename++;
2429 }
2430 strcpy(s, " 2>&1");
2431 myfp = my_popen(mybuf, "r");
2432 if (myfp) {
2433 *mybuf = '\0';
2434 s = fgets(mybuf, sizeof mybuf, myfp);
2435 (void)my_pclose(myfp);
2436 if (s != Nullch) {
2437 for (errno = 1; errno < sys_nerr; errno++) {
2438#ifdef HAS_SYS_ERRLIST
2439 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2440 return 0;
2441#else
2442 char *errmsg; /* especially if it isn't there */
2443
2444 if (instr(mybuf,
2445 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2446 return 0;
2447#endif
2448 }
748a9306 2449 SETERRNO(0,0);
a0d0e21e
LW
2450#ifndef EACCES
2451#define EACCES EPERM
2452#endif
2453 if (instr(mybuf, "cannot make"))
748a9306 2454 SETERRNO(EEXIST,RMS$_FEX);
a0d0e21e 2455 else if (instr(mybuf, "existing file"))
748a9306 2456 SETERRNO(EEXIST,RMS$_FEX);
a0d0e21e 2457 else if (instr(mybuf, "ile exists"))
748a9306 2458 SETERRNO(EEXIST,RMS$_FEX);
a0d0e21e 2459 else if (instr(mybuf, "non-exist"))
748a9306 2460 SETERRNO(ENOENT,RMS$_FNF);
a0d0e21e 2461 else if (instr(mybuf, "does not exist"))
748a9306 2462 SETERRNO(ENOENT,RMS$_FNF);
a0d0e21e 2463 else if (instr(mybuf, "not empty"))
748a9306 2464 SETERRNO(EBUSY,SS$_DEVOFFLINE);
a0d0e21e 2465 else if (instr(mybuf, "cannot access"))
748a9306 2466 SETERRNO(EACCES,RMS$_PRV);
a0d0e21e 2467 else
748a9306 2468 SETERRNO(EPERM,RMS$_PRV);
a0d0e21e
LW
2469 return 0;
2470 }
2471 else { /* some mkdirs return no failure indication */
5d94fbed 2472 anum = (Stat(save_filename, &statbuf) >= 0);
a0d0e21e
LW
2473 if (op->op_type == OP_RMDIR)
2474 anum = !anum;
2475 if (anum)
748a9306 2476 SETERRNO(0,0);
a0d0e21e 2477 else
748a9306 2478 SETERRNO(EACCES,RMS$_PRV); /* a guess */
a0d0e21e
LW
2479 }
2480 return anum;
2481 }
2482 else
2483 return 0;
2484}
2485#endif
2486
2487PP(pp_mkdir)
2488{
2489 dSP; dTARGET;
2490 int mode = POPi;
2491#ifndef HAS_MKDIR
2492 int oldumask;
2493#endif
2494 char *tmps = SvPV(TOPs, na);
2495
2496 TAINT_PROPER("mkdir");
2497#ifdef HAS_MKDIR
2498 SETi( mkdir(tmps, mode) >= 0 );
2499#else
2500 SETi( dooneliner("mkdir", tmps) );
2501 oldumask = umask(0);
2502 umask(oldumask);
2503 chmod(tmps, (mode & ~oldumask) & 0777);
2504#endif
2505 RETURN;
2506}
2507
2508PP(pp_rmdir)
2509{
2510 dSP; dTARGET;
2511 char *tmps;
2512
2513 tmps = POPp;
2514 TAINT_PROPER("rmdir");
2515#ifdef HAS_RMDIR
2516 XPUSHi( rmdir(tmps) >= 0 );
2517#else
2518 XPUSHi( dooneliner("rmdir", tmps) );
2519#endif
2520 RETURN;
2521}
2522
2523/* Directory calls. */
2524
2525PP(pp_open_dir)
2526{
2527 dSP;
2528#if defined(Direntry_t) && defined(HAS_READDIR)
2529 char *dirname = POPp;
2530 GV *gv = (GV*)POPs;
2531 register IO *io = GvIOn(gv);
2532
2533 if (!io)
2534 goto nope;
2535
2536 if (IoDIRP(io))
2537 closedir(IoDIRP(io));
2538 if (!(IoDIRP(io) = opendir(dirname)))
2539 goto nope;
2540
2541 RETPUSHYES;
2542nope:
2543 if (!errno)
748a9306 2544 SETERRNO(EBADF,RMS$_DIR);
a0d0e21e
LW
2545 RETPUSHUNDEF;
2546#else
2547 DIE(no_dir_func, "opendir");
2548#endif
2549}
2550
2551PP(pp_readdir)
2552{
2553 dSP;
2554#if defined(Direntry_t) && defined(HAS_READDIR)
2555#ifndef I_DIRENT
2556 Direntry_t *readdir _((DIR *));
2557#endif
2558 register Direntry_t *dp;
2559 GV *gv = (GV*)POPs;
2560 register IO *io = GvIOn(gv);
2561
2562 if (!io || !IoDIRP(io))
2563 goto nope;
2564
2565 if (GIMME == G_ARRAY) {
2566 /*SUPPRESS 560*/
2567 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2568#ifdef DIRNAMLEN
2569 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2570#else
2571 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2572#endif
2573 }
2574 }
2575 else {
2576 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2577 goto nope;
2578#ifdef DIRNAMLEN
2579 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2580#else
2581 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2582#endif
2583 }
2584 RETURN;
2585
2586nope:
2587 if (!errno)
748a9306 2588 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW
2589 if (GIMME == G_ARRAY)
2590 RETURN;
2591 else
2592 RETPUSHUNDEF;
2593#else
2594 DIE(no_dir_func, "readdir");
2595#endif
2596}
2597
2598PP(pp_telldir)
2599{
2600 dSP; dTARGET;
2601#if defined(HAS_TELLDIR) || defined(telldir)
2602#if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2603 long telldir _((DIR *));
2604#endif
2605 GV *gv = (GV*)POPs;
2606 register IO *io = GvIOn(gv);
2607
2608 if (!io || !IoDIRP(io))
2609 goto nope;
2610
2611 PUSHi( telldir(IoDIRP(io)) );
2612 RETURN;
2613nope:
2614 if (!errno)
748a9306 2615 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW
2616 RETPUSHUNDEF;
2617#else
2618 DIE(no_dir_func, "telldir");
2619#endif
2620}
2621
2622PP(pp_seekdir)
2623{
2624 dSP;
2625#if defined(HAS_SEEKDIR) || defined(seekdir)
2626 long along = POPl;
2627 GV *gv = (GV*)POPs;
2628 register IO *io = GvIOn(gv);
2629
2630 if (!io || !IoDIRP(io))
2631 goto nope;
2632
2633 (void)seekdir(IoDIRP(io), along);
2634
2635 RETPUSHYES;
2636nope:
2637 if (!errno)
748a9306 2638 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW
2639 RETPUSHUNDEF;
2640#else
2641 DIE(no_dir_func, "seekdir");
2642#endif
2643}
2644
2645PP(pp_rewinddir)
2646{
2647 dSP;
2648#if defined(HAS_REWINDDIR) || defined(rewinddir)
2649 GV *gv = (GV*)POPs;
2650 register IO *io = GvIOn(gv);
2651
2652 if (!io || !IoDIRP(io))
2653 goto nope;
2654
2655 (void)rewinddir(IoDIRP(io));
2656 RETPUSHYES;
2657nope:
2658 if (!errno)
748a9306 2659 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW
2660 RETPUSHUNDEF;
2661#else
2662 DIE(no_dir_func, "rewinddir");
2663#endif
2664}
2665
2666PP(pp_closedir)
2667{
2668 dSP;
2669#if defined(Direntry_t) && defined(HAS_READDIR)
2670 GV *gv = (GV*)POPs;
2671 register IO *io = GvIOn(gv);
2672
2673 if (!io || !IoDIRP(io))
2674 goto nope;
2675
2676#ifdef VOID_CLOSEDIR
2677 closedir(IoDIRP(io));
2678#else
748a9306
LW
2679 if (closedir(IoDIRP(io)) < 0) {
2680 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
a0d0e21e 2681 goto nope;
748a9306 2682 }
a0d0e21e
LW
2683#endif
2684 IoDIRP(io) = 0;
2685
2686 RETPUSHYES;
2687nope:
2688 if (!errno)
748a9306 2689 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW
2690 RETPUSHUNDEF;
2691#else
2692 DIE(no_dir_func, "closedir");
2693#endif
2694}
2695
2696/* Process control. */
2697
2698PP(pp_fork)
2699{
2700 dSP; dTARGET;
2701 int childpid;
2702 GV *tmpgv;
2703
2704 EXTEND(SP, 1);
2705#ifdef HAS_FORK
2706 childpid = fork();
2707 if (childpid < 0)
2708 RETSETUNDEF;
2709 if (!childpid) {
2710 /*SUPPRESS 560*/
2711 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2712 sv_setiv(GvSV(tmpgv), (I32)getpid());
2713 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2714 }
2715 PUSHi(childpid);
2716 RETURN;
2717#else
2718 DIE(no_func, "Unsupported function fork");
2719#endif
2720}
2721
2722PP(pp_wait)
2723{
2724 dSP; dTARGET;
2725 int childpid;
2726 int argflags;
2727 I32 value;
2728
2729 EXTEND(SP, 1);
2730#ifdef HAS_WAIT
2731 childpid = wait(&argflags);
2732 if (childpid > 0)
2733 pidgone(childpid, argflags);
2734 value = (I32)childpid;
748a9306 2735 statusvalue = FIXSTATUS(argflags);
a0d0e21e
LW
2736 PUSHi(value);
2737 RETURN;
2738#else
2739 DIE(no_func, "Unsupported function wait");
2740#endif
2741}
2742
2743PP(pp_waitpid)
2744{
2745 dSP; dTARGET;
2746 int childpid;
2747 int optype;
2748 int argflags;
2749 I32 value;
2750
2751#ifdef HAS_WAIT
2752 optype = POPi;
2753 childpid = TOPi;
2754 childpid = wait4pid(childpid, &argflags, optype);
2755 value = (I32)childpid;
748a9306 2756 statusvalue = FIXSTATUS(argflags);
a0d0e21e
LW
2757 SETi(value);
2758 RETURN;
2759#else
2760 DIE(no_func, "Unsupported function wait");
2761#endif
2762}
2763
2764PP(pp_system)
2765{
2766 dSP; dMARK; dORIGMARK; dTARGET;
2767 I32 value;
2768 int childpid;
2769 int result;
2770 int status;
ecfc5424
AD
2771 Signal_t (*ihand)(); /* place to save signal during system() */
2772 Signal_t (*qhand)(); /* place to save signal during system() */
a0d0e21e
LW
2773
2774#if defined(HAS_FORK) && !defined(VMS)
2775 if (SP - MARK == 1) {
2776 if (tainting) {
2777 char *junk = SvPV(TOPs, na);
2778 TAINT_ENV();
2779 TAINT_PROPER("system");
2780 }
2781 }
2782 while ((childpid = vfork()) == -1) {
2783 if (errno != EAGAIN) {
2784 value = -1;
2785 SP = ORIGMARK;
2786 PUSHi(value);
2787 RETURN;
2788 }
2789 sleep(5);
2790 }
2791 if (childpid > 0) {
2792 ihand = signal(SIGINT, SIG_IGN);
2793 qhand = signal(SIGQUIT, SIG_IGN);
748a9306
LW
2794 do {
2795 result = wait4pid(childpid, &status, 0);
2796 } while (result == -1 && errno == EINTR);
a0d0e21e
LW
2797 (void)signal(SIGINT, ihand);
2798 (void)signal(SIGQUIT, qhand);
748a9306 2799 statusvalue = FIXSTATUS(status);
a0d0e21e
LW
2800 if (result < 0)
2801 value = -1;
2802 else {
2803 value = (I32)((unsigned int)status & 0xffff);
2804 }
2805 do_execfree(); /* free any memory child malloced on vfork */
2806 SP = ORIGMARK;
2807 PUSHi(value);
2808 RETURN;
2809 }
2810 if (op->op_flags & OPf_STACKED) {
2811 SV *really = *++MARK;
2812 value = (I32)do_aexec(really, MARK, SP);
2813 }
2814 else if (SP - MARK != 1)
2815 value = (I32)do_aexec(Nullsv, MARK, SP);
2816 else {
2817 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2818 }
2819 _exit(-1);
2820#else /* ! FORK or VMS */
2821 if (op->op_flags & OPf_STACKED) {
2822 SV *really = *++MARK;
2823 value = (I32)do_aspawn(really, MARK, SP);
2824 }
2825 else if (SP - MARK != 1)
2826 value = (I32)do_aspawn(Nullsv, MARK, SP);
2827 else {
2828 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2829 }
4633a7c4 2830 statusvalue = FIXSTATUS(value);
a0d0e21e
LW
2831 do_execfree();
2832 SP = ORIGMARK;
2833 PUSHi(value);
2834#endif /* !FORK or VMS */
2835 RETURN;
2836}
2837
2838PP(pp_exec)
2839{
2840 dSP; dMARK; dORIGMARK; dTARGET;
2841 I32 value;
2842
2843 if (op->op_flags & OPf_STACKED) {
2844 SV *really = *++MARK;
2845 value = (I32)do_aexec(really, MARK, SP);
2846 }
2847 else if (SP - MARK != 1)
2848#ifdef VMS
2849 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2850#else
2851 value = (I32)do_aexec(Nullsv, MARK, SP);
2852#endif
2853 else {
2854 if (tainting) {
2855 char *junk = SvPV(*SP, na);
2856 TAINT_ENV();
2857 TAINT_PROPER("exec");
2858 }
2859#ifdef VMS
2860 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2861#else
2862 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2863#endif
2864 }
2865 SP = ORIGMARK;
2866 PUSHi(value);
2867 RETURN;
2868}
2869
2870PP(pp_kill)
2871{
2872 dSP; dMARK; dTARGET;
2873 I32 value;
2874#ifdef HAS_KILL
2875 value = (I32)apply(op->op_type, MARK, SP);
2876 SP = MARK;
2877 PUSHi(value);
2878 RETURN;
2879#else
2880 DIE(no_func, "Unsupported function kill");
2881#endif
2882}
2883
2884PP(pp_getppid)
2885{
2886#ifdef HAS_GETPPID
2887 dSP; dTARGET;
2888 XPUSHi( getppid() );
2889 RETURN;
2890#else
2891 DIE(no_func, "getppid");
2892#endif
2893}
2894
2895PP(pp_getpgrp)
2896{
2897#ifdef HAS_GETPGRP
2898 dSP; dTARGET;
2899 int pid;
2900 I32 value;
2901
2902 if (MAXARG < 1)
2903 pid = 0;
2904 else
2905 pid = SvIVx(POPs);
2906#ifdef USE_BSDPGRP
2907 value = (I32)getpgrp(pid);
2908#else
2909 if (pid != 0)
2910 DIE("POSIX getpgrp can't take an argument");
2911 value = (I32)getpgrp();
2912#endif
2913 XPUSHi(value);
2914 RETURN;
2915#else
2916 DIE(no_func, "getpgrp()");
2917#endif
2918}
2919
2920PP(pp_setpgrp)
2921{
2922#ifdef HAS_SETPGRP
2923 dSP; dTARGET;
2924 int pgrp;
2925 int pid;
2926 if (MAXARG < 2) {
2927 pgrp = 0;
2928 pid = 0;
2929 }
2930 else {
2931 pgrp = POPi;
2932 pid = TOPi;
2933 }
2934
2935 TAINT_PROPER("setpgrp");
2936#ifdef USE_BSDPGRP
2937 SETi( setpgrp(pid, pgrp) >= 0 );
2938#else
2939 if ((pgrp != 0) || (pid != 0)) {
2940 DIE("POSIX setpgrp can't take an argument");
2941 }
2942 SETi( setpgrp() >= 0 );
2943#endif /* USE_BSDPGRP */
2944 RETURN;
2945#else
2946 DIE(no_func, "setpgrp()");
2947#endif
2948}
2949
2950PP(pp_getpriority)
2951{
2952 dSP; dTARGET;
2953 int which;
2954 int who;
2955#ifdef HAS_GETPRIORITY
2956 who = POPi;
2957 which = TOPi;
2958 SETi( getpriority(which, who) );
2959 RETURN;
2960#else
2961 DIE(no_func, "getpriority()");
2962#endif
2963}
2964
2965PP(pp_setpriority)
2966{
2967 dSP; dTARGET;
2968 int which;
2969 int who;
2970 int niceval;
2971#ifdef HAS_SETPRIORITY
2972 niceval = POPi;
2973 who = POPi;
2974 which = TOPi;
2975 TAINT_PROPER("setpriority");
2976 SETi( setpriority(which, who, niceval) >= 0 );
2977 RETURN;
2978#else
2979 DIE(no_func, "setpriority()");
2980#endif
2981}
2982
2983/* Time calls. */
2984
2985PP(pp_time)
2986{
2987 dSP; dTARGET;
2988 XPUSHi( time(Null(Time_t*)) );
2989 RETURN;
2990}
2991
2992#ifndef HZ
2993#define HZ 60
2994#endif
2995
2996PP(pp_tms)
2997{
2998 dSP;
2999
3000#if defined(MSDOS) || !defined(HAS_TIMES)
3001 DIE("times not implemented");
3002#else
3003 EXTEND(SP, 4);
3004
3005#ifndef VMS
3006 (void)times(&timesbuf);
3007#else
3008 (void)times((tbuffer_t *)&timesbuf); /* time.h uses different name for */
3009 /* struct tms, though same data */
3010 /* is returned. */
4633a7c4
LW
3011#undef HZ
3012#define HZ CLK_TCK
a0d0e21e
LW
3013#endif
3014
3015 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3016 if (GIMME == G_ARRAY) {
3017 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3018 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3019 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3020 }
3021 RETURN;
3022#endif /* MSDOS */
3023}
3024
3025PP(pp_localtime)
3026{
3027 return pp_gmtime(ARGS);
3028}
3029
3030PP(pp_gmtime)
3031{
3032 dSP;
3033 Time_t when;
3034 struct tm *tmbuf;
3035 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3036 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3037 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3038
3039 if (MAXARG < 1)
3040 (void)time(&when);
3041 else
3042 when = (Time_t)SvIVx(POPs);
3043
3044 if (op->op_type == OP_LOCALTIME)
3045 tmbuf = localtime(&when);
3046 else
3047 tmbuf = gmtime(&when);
3048
3049 EXTEND(SP, 9);
3050 if (GIMME != G_ARRAY) {
3051 dTARGET;
3052 char mybuf[30];
3053 if (!tmbuf)
3054 RETPUSHUNDEF;
3055 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3056 dayname[tmbuf->tm_wday],
3057 monname[tmbuf->tm_mon],
3058 tmbuf->tm_mday,
3059 tmbuf->tm_hour,
3060 tmbuf->tm_min,
3061 tmbuf->tm_sec,
3062 tmbuf->tm_year + 1900);
3063 PUSHp(mybuf, strlen(mybuf));
3064 }
3065 else if (tmbuf) {
3066 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3067 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3068 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3069 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3070 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3071 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3072 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3073 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3074 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3075 }
3076 RETURN;
3077}
3078
3079PP(pp_alarm)
3080{
3081 dSP; dTARGET;
3082 int anum;
3083#ifdef HAS_ALARM
3084 anum = POPi;
3085 anum = alarm((unsigned int)anum);
3086 EXTEND(SP, 1);
3087 if (anum < 0)
3088 RETPUSHUNDEF;
3089 PUSHi((I32)anum);
3090 RETURN;
3091#else
3092 DIE(no_func, "Unsupported function alarm");
a0d0e21e
LW
3093#endif
3094}
3095
3096PP(pp_sleep)
3097{
3098 dSP; dTARGET;
3099 I32 duration;
3100 Time_t lasttime;
3101 Time_t when;
3102
3103 (void)time(&lasttime);
3104 if (MAXARG < 1)
3105 pause();
3106 else {
3107 duration = POPi;
3108 sleep((unsigned int)duration);
3109 }
3110 (void)time(&when);
3111 XPUSHi(when - lasttime);
3112 RETURN;
3113}
3114
3115/* Shared memory. */
3116
3117PP(pp_shmget)
3118{
3119 return pp_semget(ARGS);
3120}
3121
3122PP(pp_shmctl)
3123{
3124 return pp_semctl(ARGS);
3125}
3126
3127PP(pp_shmread)
3128{
3129 return pp_shmwrite(ARGS);
3130}
3131
3132PP(pp_shmwrite)
3133{
3134#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3135 dSP; dMARK; dTARGET;
3136 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3137 SP = MARK;
3138 PUSHi(value);
3139 RETURN;
3140#else
748a9306 3141 return pp_semget(ARGS);
a0d0e21e
LW
3142#endif
3143}
3144
3145/* Message passing. */
3146
3147PP(pp_msgget)
3148{
3149 return pp_semget(ARGS);
3150}
3151
3152PP(pp_msgctl)
3153{
3154 return pp_semctl(ARGS);
3155}
3156
3157PP(pp_msgsnd)
3158{
3159#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3160 dSP; dMARK; dTARGET;
3161 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3162 SP = MARK;
3163 PUSHi(value);
3164 RETURN;
3165#else
748a9306 3166 return pp_semget(ARGS);
a0d0e21e
LW
3167#endif
3168}
3169
3170PP(pp_msgrcv)
3171{
3172#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3173 dSP; dMARK; dTARGET;
3174 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3175 SP = MARK;
3176 PUSHi(value);
3177 RETURN;
3178#else
748a9306 3179 return pp_semget(ARGS);
a0d0e21e
LW
3180#endif
3181}
3182
3183/* Semaphores. */
3184
3185PP(pp_semget)
3186{
3187#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3188 dSP; dMARK; dTARGET;
3189 int anum = do_ipcget(op->op_type, MARK, SP);
3190 SP = MARK;
3191 if (anum == -1)
3192 RETPUSHUNDEF;
3193 PUSHi(anum);
3194 RETURN;
3195#else
3196 DIE("System V IPC is not implemented on this machine");
3197#endif
3198}
3199
3200PP(pp_semctl)
3201{
3202#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3203 dSP; dMARK; dTARGET;
3204 int anum = do_ipcctl(op->op_type, MARK, SP);
3205 SP = MARK;
3206 if (anum == -1)
3207 RETSETUNDEF;
3208 if (anum != 0) {
3209 PUSHi(anum);
3210 }
3211 else {
3212 PUSHp("0 but true",10);
3213 }
3214 RETURN;
3215#else
748a9306 3216 return pp_semget(ARGS);
a0d0e21e
LW
3217#endif
3218}
3219
3220PP(pp_semop)
3221{
3222#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3223 dSP; dMARK; dTARGET;
3224 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3225 SP = MARK;
3226 PUSHi(value);
3227 RETURN;
3228#else
748a9306 3229 return pp_semget(ARGS);
a0d0e21e
LW
3230#endif
3231}
3232
3233/* Get system info. */
3234
3235PP(pp_ghbyname)
3236{
3237#ifdef HAS_SOCKET
3238 return pp_ghostent(ARGS);
3239#else
3240 DIE(no_sock_func, "gethostbyname");
3241#endif
3242}
3243
3244PP(pp_ghbyaddr)
3245{
3246#ifdef HAS_SOCKET
3247 return pp_ghostent(ARGS);
3248#else
3249 DIE(no_sock_func, "gethostbyaddr");
3250#endif
3251}
3252
3253PP(pp_ghostent)
3254{
3255 dSP;
3256#ifdef HAS_SOCKET
3257 I32 which = op->op_type;
3258 register char **elem;
3259 register SV *sv;
3260 struct hostent *gethostbyname();
3261 struct hostent *gethostbyaddr();
3262#ifdef HAS_GETHOSTENT
3263 struct hostent *gethostent();
3264#endif
3265 struct hostent *hent;
3266 unsigned long len;
3267
3268 EXTEND(SP, 10);
3269 if (which == OP_GHBYNAME) {
3270 hent = gethostbyname(POPp);
3271 }
3272 else if (which == OP_GHBYADDR) {
3273 int addrtype = POPi;
748a9306 3274 SV *addrsv = POPs;
a0d0e21e 3275 STRLEN addrlen;
748a9306 3276 char *addr = SvPV(addrsv, addrlen);
a0d0e21e
LW
3277
3278 hent = gethostbyaddr(addr, addrlen, addrtype);
3279 }
3280 else
3281#ifdef HAS_GETHOSTENT
3282 hent = gethostent();
3283#else
3284 DIE("gethostent not implemented");
3285#endif
3286
3287#ifdef HOST_NOT_FOUND
3288 if (!hent)
748a9306 3289 statusvalue = FIXSTATUS(h_errno);
a0d0e21e
LW
3290#endif
3291
3292 if (GIMME != G_ARRAY) {
3293 PUSHs(sv = sv_newmortal());
3294 if (hent) {
3295 if (which == OP_GHBYNAME) {
fd0af264
PP
3296 if (hent->h_addr)
3297 sv_setpvn(sv, hent->h_addr, hent->h_length);
a0d0e21e
LW
3298 }
3299 else
3300 sv_setpv(sv, (char*)hent->h_name);
3301 }
3302 RETURN;
3303 }
3304
3305 if (hent) {
3306 PUSHs(sv = sv_mortalcopy(&sv_no));
3307 sv_setpv(sv, (char*)hent->h_name);
3308 PUSHs(sv = sv_mortalcopy(&sv_no));
3309 for (elem = hent->h_aliases; elem && *elem; elem++) {
3310 sv_catpv(sv, *elem);
3311 if (elem[1])
3312 sv_catpvn(sv, " ", 1);
3313 }
3314 PUSHs(sv = sv_mortalcopy(&sv_no));
3315 sv_setiv(sv, (I32)hent->h_addrtype);
3316 PUSHs(sv = sv_mortalcopy(&sv_no));
3317 len = hent->h_length;
3318 sv_setiv(sv, (I32)len);
3319#ifdef h_addr
3320 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3321 XPUSHs(sv = sv_mortalcopy(&sv_no));
3322 sv_setpvn(sv, *elem, len);
3323 }
3324#else
3325 PUSHs(sv = sv_mortalcopy(&sv_no));
fd0af264
PP
3326 if (hent->h_addr)
3327 sv_setpvn(sv, hent->h_addr, len);
a0d0e21e
LW
3328#endif /* h_addr */
3329 }
3330 RETURN;
3331#else
3332 DIE(no_sock_func, "gethostent");
3333#endif
3334}
3335
3336PP(pp_gnbyname)
3337{
3338#ifdef HAS_SOCKET
3339 return pp_gnetent(ARGS);
3340#else
3341 DIE(no_sock_func, "getnetbyname");
3342#endif
3343}
3344
3345PP(pp_gnbyaddr)
3346{
3347#ifdef HAS_SOCKET
3348 return pp_gnetent(ARGS);
3349#else
3350 DIE(no_sock_func, "getnetbyaddr");
3351#endif
3352}
3353
3354PP(pp_gnetent)
3355{
3356 dSP;
3357#ifdef HAS_SOCKET
3358 I32 which = op->op_type;
3359 register char **elem;
3360 register SV *sv;
3361 struct netent *getnetbyname();
3362 struct netent *getnetbyaddr();
3363 struct netent *getnetent();
3364 struct netent *nent;
3365
3366 if (which == OP_GNBYNAME)
3367 nent = getnetbyname(POPp);
3368 else if (which == OP_GNBYADDR) {
3369 int addrtype = POPi;
3370 unsigned long addr = U_L(POPn);
3371 nent = getnetbyaddr((long)addr, addrtype);
3372 }
3373 else
3374 nent = getnetent();
3375
3376 EXTEND(SP, 4);
3377 if (GIMME != G_ARRAY) {
3378 PUSHs(sv = sv_newmortal());
3379 if (nent) {
3380 if (which == OP_GNBYNAME)
3381 sv_setiv(sv, (I32)nent->n_net);
3382 else
3383 sv_setpv(sv, nent->n_name);
3384 }
3385 RETURN;
3386 }
3387
3388 if (nent) {
3389 PUSHs(sv = sv_mortalcopy(&sv_no));
3390 sv_setpv(sv, nent->n_name);
3391 PUSHs(sv = sv_mortalcopy(&sv_no));
3392 for (elem = nent->n_aliases; *elem; elem++) {
3393 sv_catpv(sv, *elem);
3394 if (elem[1])
3395 sv_catpvn(sv, " ", 1);
3396 }
3397 PUSHs(sv = sv_mortalcopy(&sv_no));
3398 sv_setiv(sv, (I32)nent->n_addrtype);
3399 PUSHs(sv = sv_mortalcopy(&sv_no));
3400 sv_setiv(sv, (I32)nent->n_net);
3401 }
3402
3403 RETURN;
3404#else
3405 DIE(no_sock_func, "getnetent");
3406#endif
3407}
3408
3409PP(pp_gpbyname)
3410{
3411#ifdef HAS_SOCKET
3412 return pp_gprotoent(ARGS);
3413#else
3414 DIE(no_sock_func, "getprotobyname");
3415#endif
3416}
3417
3418PP(pp_gpbynumber)
3419{
3420#ifdef HAS_SOCKET
3421 return pp_gprotoent(ARGS);
3422#else
3423 DIE(no_sock_func, "getprotobynumber");
3424#endif
3425}
3426
3427PP(pp_gprotoent)
3428{
3429 dSP;
3430#ifdef HAS_SOCKET
3431 I32 which = op->op_type;
3432 register char **elem;
3433 register SV *sv;
3434 struct protoent *getprotobyname();
3435 struct protoent *getprotobynumber();
3436 struct protoent *getprotoent();
3437 struct protoent *pent;
3438
3439 if (which == OP_GPBYNAME)
3440 pent = getprotobyname(POPp);
3441 else if (which == OP_GPBYNUMBER)
3442 pent = getprotobynumber(POPi);
3443 else
3444 pent = getprotoent();
3445
3446 EXTEND(SP, 3);
3447 if (GIMME != G_ARRAY) {
3448 PUSHs(sv = sv_newmortal());
3449 if (pent) {
3450 if (which == OP_GPBYNAME)
3451 sv_setiv(sv, (I32)pent->p_proto);
3452 else
3453 sv_setpv(sv, pent->p_name);
3454 }
3455 RETURN;
3456 }
3457
3458 if (pent) {
3459 PUSHs(sv = sv_mortalcopy(&sv_no));
3460 sv_setpv(sv, pent->p_name);
3461 PUSHs(sv = sv_mortalcopy(&sv_no));
3462 for (elem = pent->p_aliases; *elem; elem++) {
3463 sv_catpv(sv, *elem);
3464 if (elem[1])
3465 sv_catpvn(sv, " ", 1);
3466 }
3467 PUSHs(sv = sv_mortalcopy(&sv_no));
3468 sv_setiv(sv, (I32)pent->p_proto);
3469 }
3470
3471 RETURN;
3472#else
3473 DIE(no_sock_func, "getprotoent");
3474#endif
3475}
3476
3477PP(pp_gsbyname)
3478{
3479#ifdef HAS_SOCKET
3480 return pp_gservent(ARGS);
3481#else
3482 DIE(no_sock_func, "getservbyname");
3483#endif
3484}
3485
3486PP(pp_gsbyport)
3487{
3488#ifdef HAS_SOCKET
3489 return pp_gservent(ARGS);
3490#else
3491 DIE(no_sock_func, "getservbyport");
3492#endif
3493}
3494
3495PP(pp_gservent)
3496{
3497 dSP;
3498#ifdef HAS_SOCKET
3499 I32 which = op->op_type;
3500 register char **elem;
3501 register SV *sv;
3502 struct servent *getservbyname();
3503 struct servent *getservbynumber();
3504 struct servent *getservent();
3505 struct servent *sent;
3506
3507 if (which == OP_GSBYNAME) {
3508 char *proto = POPp;
3509 char *name = POPp;
3510
3511 if (proto && !*proto)
3512 proto = Nullch;
3513
3514 sent = getservbyname(name, proto);
3515 }
3516 else if (which == OP_GSBYPORT) {
3517 char *proto = POPp;
3518 int port = POPi;
3519
3520 sent = getservbyport(port, proto);
3521 }
3522 else
3523 sent = getservent();
3524
3525 EXTEND(SP, 4);
3526 if (GIMME != G_ARRAY) {
3527 PUSHs(sv = sv_newmortal());
3528 if (sent) {
3529 if (which == OP_GSBYNAME) {
3530#ifdef HAS_NTOHS
3531 sv_setiv(sv, (I32)ntohs(sent->s_port));
3532#else
3533 sv_setiv(sv, (I32)(sent->s_port));
3534#endif
3535 }
3536 else
3537 sv_setpv(sv, sent->s_name);
3538 }
3539 RETURN;
3540 }
3541
3542 if (sent) {
3543 PUSHs(sv = sv_mortalcopy(&sv_no));
3544 sv_setpv(sv, sent->s_name);
3545 PUSHs(sv = sv_mortalcopy(&sv_no));
3546 for (elem = sent->s_aliases; *elem; elem++) {
3547 sv_catpv(sv, *elem);
3548 if (elem[1])
3549 sv_catpvn(sv, " ", 1);
3550 }
3551 PUSHs(sv = sv_mortalcopy(&sv_no));
3552#ifdef HAS_NTOHS
3553 sv_setiv(sv, (I32)ntohs(sent->s_port));
3554#else
3555 sv_setiv(sv, (I32)(sent->s_port));
3556#endif
3557 PUSHs(sv = sv_mortalcopy(&sv_no));
3558 sv_setpv(sv, sent->s_proto);
3559 }
3560
3561 RETURN;
3562#else
3563 DIE(no_sock_func, "getservent");
3564#endif
3565}
3566
3567PP(pp_shostent)
3568{
3569 dSP;
3570#ifdef HAS_SOCKET
3571 sethostent(TOPi);
3572 RETSETYES;
3573#else
3574 DIE(no_sock_func, "sethostent");
3575#endif
3576}
3577
3578PP(pp_snetent)
3579{
3580 dSP;
3581#ifdef HAS_SOCKET
3582 setnetent(TOPi);
3583 RETSETYES;
3584#else
3585 DIE(no_sock_func, "setnetent");
3586#endif
3587}
3588
3589PP(pp_sprotoent)
3590{
3591 dSP;
3592#ifdef HAS_SOCKET
3593 setprotoent(TOPi);
3594 RETSETYES;
3595#else
3596 DIE(no_sock_func, "setprotoent");
3597#endif
3598}
3599
3600PP(pp_sservent)
3601{
3602 dSP;
3603#ifdef HAS_SOCKET
3604 setservent(TOPi);
3605 RETSETYES;
3606#else
3607 DIE(no_sock_func, "setservent");
3608#endif
3609}
3610
3611PP(pp_ehostent)
3612{
3613 dSP;
3614#ifdef HAS_SOCKET
3615 endhostent();
3616 EXTEND(sp,1);
3617 RETPUSHYES;
3618#else
3619 DIE(no_sock_func, "endhostent");
3620#endif
3621}
3622
3623PP(pp_enetent)
3624{
3625 dSP;
3626#ifdef HAS_SOCKET
3627 endnetent();
3628 EXTEND(sp,1);
3629 RETPUSHYES;
3630#else
3631 DIE(no_sock_func, "endnetent");
3632#endif
3633}
3634
3635PP(pp_eprotoent)
3636{
3637 dSP;
3638#ifdef HAS_SOCKET
3639 endprotoent();
3640 EXTEND(sp,1);
3641 RETPUSHYES;
3642#else
3643 DIE(no_sock_func, "endprotoent");
3644#endif
3645}
3646
3647PP(pp_eservent)
3648{
3649 dSP;
3650#ifdef HAS_SOCKET
3651 endservent();
3652 EXTEND(sp,1);
3653 RETPUSHYES;
3654#else
3655 DIE(no_sock_func, "endservent");
3656#endif
3657}
3658
3659PP(pp_gpwnam)
3660{
3661#ifdef HAS_PASSWD
3662 return pp_gpwent(ARGS);
3663#else
3664 DIE(no_func, "getpwnam");
3665#endif
3666}
3667
3668PP(pp_gpwuid)
3669{
3670#ifdef HAS_PASSWD
3671 return pp_gpwent(ARGS);
3672#else
3673 DIE(no_func, "getpwuid");
3674#endif
3675}
3676
3677PP(pp_gpwent)
3678{
3679 dSP;
3680#ifdef HAS_PASSWD
3681 I32 which = op->op_type;
3682 register SV *sv;
3683 struct passwd *pwent;
3684
3685 if (which == OP_GPWNAM)
3686 pwent = getpwnam(POPp);
3687 else if (which == OP_GPWUID)
3688 pwent = getpwuid(POPi);
3689 else
3690 pwent = (struct passwd *)getpwent();
3691
3692 EXTEND(SP, 10);
3693 if (GIMME != G_ARRAY) {
3694 PUSHs(sv = sv_newmortal());
3695 if (pwent) {
3696 if (which == OP_GPWNAM)
3697 sv_setiv(sv, (I32)pwent->pw_uid);
3698 else
3699 sv_setpv(sv, pwent->pw_name);
3700 }
3701 RETURN;
3702 }
3703
3704 if (pwent) {
3705 PUSHs(sv = sv_mortalcopy(&sv_no));
3706 sv_setpv(sv, pwent->pw_name);
3707 PUSHs(sv = sv_mortalcopy(&sv_no));
3708 sv_setpv(sv, pwent->pw_passwd);
3709 PUSHs(sv = sv_mortalcopy(&sv_no));
3710 sv_setiv(sv, (I32)pwent->pw_uid);
3711 PUSHs(sv = sv_mortalcopy(&sv_no));
3712 sv_setiv(sv, (I32)pwent->pw_gid);
3713 PUSHs(sv = sv_mortalcopy(&sv_no));
3714#ifdef PWCHANGE
3715 sv_setiv(sv, (I32)pwent->pw_change);
3716#else
3717#ifdef PWQUOTA
3718 sv_setiv(sv, (I32)pwent->pw_quota);
3719#else
3720#ifdef PWAGE
3721 sv_setpv(sv, pwent->pw_age);
3722#endif
3723#endif
3724#endif
3725 PUSHs(sv = sv_mortalcopy(&sv_no));
3726#ifdef PWCLASS
3727 sv_setpv(sv, pwent->pw_class);
3728#else
3729#ifdef PWCOMMENT
3730 sv_setpv(sv, pwent->pw_comment);
3731#endif
3732#endif
3733 PUSHs(sv = sv_mortalcopy(&sv_no));
3734 sv_setpv(sv, pwent->pw_gecos);
3735 PUSHs(sv = sv_mortalcopy(&sv_no));
3736 sv_setpv(sv, pwent->pw_dir);
3737 PUSHs(sv = sv_mortalcopy(&sv_no));
3738 sv_setpv(sv, pwent->pw_shell);
3739#ifdef PWEXPIRE
3740 PUSHs(sv = sv_mortalcopy(&sv_no));
3741 sv_setiv(sv, (I32)pwent->pw_expire);
3742#endif
3743 }
3744 RETURN;
3745#else
3746 DIE(no_func, "getpwent");
3747#endif
3748}
3749
3750PP(pp_spwent)
3751{
3752 dSP;
3753#ifdef HAS_PASSWD
3754 setpwent();
3755 RETPUSHYES;
3756#else
3757 DIE(no_func, "setpwent");
3758#endif
3759}
3760
3761PP(pp_epwent)
3762{
3763 dSP;
3764#ifdef HAS_PASSWD
3765 endpwent();
3766 RETPUSHYES;
3767#else
3768 DIE(no_func, "endpwent");
3769#endif
3770}
3771
3772PP(pp_ggrnam)
3773{
3774#ifdef HAS_GROUP
3775 return pp_ggrent(ARGS);
3776#else
3777 DIE(no_func, "getgrnam");
3778#endif
3779}
3780
3781PP(pp_ggrgid)
3782{
3783#ifdef HAS_GROUP
3784 return pp_ggrent(ARGS);
3785#else
3786 DIE(no_func, "getgrgid");
3787#endif
3788}
3789
3790PP(pp_ggrent)
3791{
3792 dSP;
3793#ifdef HAS_GROUP
3794 I32 which = op->op_type;
3795 register char **elem;
3796 register SV *sv;
3797 struct group *grent;
3798
3799 if (which == OP_GGRNAM)
3800 grent = (struct group *)getgrnam(POPp);
3801 else if (which == OP_GGRGID)
3802 grent = (struct group *)getgrgid(POPi);
3803 else
3804 grent = (struct group *)getgrent();
3805
3806 EXTEND(SP, 4);
3807 if (GIMME != G_ARRAY) {
3808 PUSHs(sv = sv_newmortal());
3809 if (grent) {
3810 if (which == OP_GGRNAM)
3811 sv_setiv(sv, (I32)grent->gr_gid);
3812 else
3813 sv_setpv(sv, grent->gr_name);
3814 }
3815 RETURN;
3816 }
3817
3818 if (grent) {
3819 PUSHs(sv = sv_mortalcopy(&sv_no));
3820 sv_setpv(sv, grent->gr_name);
3821 PUSHs(sv = sv_mortalcopy(&sv_no));
3822 sv_setpv(sv, grent->gr_passwd);
3823 PUSHs(sv = sv_mortalcopy(&sv_no));
3824 sv_setiv(sv, (I32)grent->gr_gid);
3825 PUSHs(sv = sv_mortalcopy(&sv_no));
3826 for (elem = grent->gr_mem; *elem; elem++) {
3827 sv_catpv(sv, *elem);
3828 if (elem[1])
3829 sv_catpvn(sv, " ", 1);
3830 }
3831 }
3832
3833 RETURN;
3834#else
3835 DIE(no_func, "getgrent");
3836#endif
3837}
3838
3839PP(pp_sgrent)
3840{
3841 dSP;
3842#ifdef HAS_GROUP
3843 setgrent();
3844 RETPUSHYES;
3845#else
3846 DIE(no_func, "setgrent");
3847#endif
3848}
3849
3850PP(pp_egrent)
3851{
3852 dSP;
3853#ifdef HAS_GROUP
3854 endgrent();
3855 RETPUSHYES;
3856#else
3857 DIE(no_func, "endgrent");
3858#endif
3859}
3860
3861PP(pp_getlogin)
3862{
3863 dSP; dTARGET;
3864#ifdef HAS_GETLOGIN
3865 char *tmps;
3866 EXTEND(SP, 1);
3867 if (!(tmps = getlogin()))
3868 RETPUSHUNDEF;
3869 PUSHp(tmps, strlen(tmps));
3870 RETURN;
3871#else
3872 DIE(no_func, "getlogin");
3873#endif
3874}
3875
3876/* Miscellaneous. */
3877
3878PP(pp_syscall)
3879{
3880#ifdef HAS_SYSCALL
3881 dSP; dMARK; dORIGMARK; dTARGET;
3882 register I32 items = SP - MARK;
3883 unsigned long a[20];
3884 register I32 i = 0;
3885 I32 retval = -1;
748a9306 3886 MAGIC *mg;
a0d0e21e
LW
3887
3888 if (tainting) {
3889 while (++MARK <= SP) {
748a9306
LW
3890 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3891 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
a0d0e21e
LW
3892 tainted = TRUE;
3893 }
3894 MARK = ORIGMARK;
3895 TAINT_PROPER("syscall");
3896 }
3897
3898 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3899 * or where sizeof(long) != sizeof(char*). But such machines will
3900 * not likely have syscall implemented either, so who cares?
3901 */
3902 while (++MARK <= SP) {
3903 if (SvNIOK(*MARK) || !i)
3904 a[i++] = SvIV(*MARK);
748a9306
LW
3905 else if (*MARK == &sv_undef)
3906 a[i++] = 0;
3907 else
3908 a[i++] = (unsigned long)SvPV_force(*MARK, na);
a0d0e21e
LW
3909 if (i > 15)
3910 break;
3911 }
3912 switch (items) {
3913 default:
3914 DIE("Too many args to syscall");
3915 case 0:
3916 DIE("Too few args to syscall");
3917 case 1:
3918 retval = syscall(a[0]);
3919 break;
3920 case 2:
3921 retval = syscall(a[0],a[1]);
3922 break;
3923 case 3:
3924 retval = syscall(a[0],a[1],a[2]);
3925 break;
3926 case 4:
3927 retval = syscall(a[0],a[1],a[2],a[3]);
3928 break;
3929 case 5:
3930 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
3931 break;
3932 case 6:
3933 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
3934 break;
3935 case 7:
3936 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
3937 break;
3938 case 8:
3939 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
3940 break;
3941#ifdef atarist
3942 case 9:
3943 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
3944 break;
3945 case 10:
3946 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
3947 break;
3948 case 11:
3949 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3950 a[10]);
3951 break;
3952 case 12:
3953 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3954 a[10],a[11]);
3955 break;
3956 case 13:
3957 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3958 a[10],a[11],a[12]);
3959 break;
3960 case 14:
3961 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3962 a[10],a[11],a[12],a[13]);
3963 break;
3964#endif /* atarist */
3965 }
3966 SP = ORIGMARK;
3967 PUSHi(retval);
3968 RETURN;
3969#else
3970 DIE(no_func, "syscall");
3971#endif
3972}
3973
16d20bd9
AD
3974#if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
3975
3976/* XXX Emulate flock() with lockf(). This is just to increase
3977 portability of scripts. The calls are not completely
3978 interchangeable. What's really needed is a good file
3979 locking module.
3980*/
3981
3982/* We might need <unistd.h> because it sometimes defines the lockf()
3983 constants. Unfortunately, <unistd.h> causes troubles on some mixed
3984 (BSD/POSIX) systems, such as SunOS 4.1.3. We could just try including
3985 <unistd.h> here in this part of the file, but that might
3986 conflict with various other #defines and includes above, such as
3987 #define vfork fork above.
3988
3989 Further, the lockf() constants aren't POSIX, so they might not be
3990 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
3991 just stick in the SVID values and be done with it. Sigh.
3992*/
3993
3994# ifndef F_ULOCK
3995# define F_ULOCK 0 /* Unlock a previously locked region */
3996# endif
3997# ifndef F_LOCK
3998# define F_LOCK 1 /* Lock a region for exclusive use */
3999# endif
4000# ifndef F_TLOCK
4001# define F_TLOCK 2 /* Test and lock a region for exclusive use */
4002# endif
4003# ifndef F_TEST
4004# define F_TEST 3 /* Test a region for other processes locks */
4005# endif
4006
4007/* These are the flock() constants. Since this sytems doesn't have
4008 flock(), the values of the constants are probably not available.
4009*/
4010# ifndef LOCK_SH
4011# define LOCK_SH 1
4012# endif
4013# ifndef LOCK_EX
4014# define LOCK_EX 2
4015# endif
4016# ifndef LOCK_NB
4017# define LOCK_NB 4
4018# endif
4019# ifndef LOCK_UN
4020# define LOCK_UN 8
4021# endif
4022
4023int
4024lockf_emulate_flock (fd, operation)
4025int fd;
4026int operation;
4027{
4028 int i;
4029 switch (operation) {
4030
4031 /* LOCK_SH - get a shared lock */
4032 case LOCK_SH:
4033 /* LOCK_EX - get an exclusive lock */
4034 case LOCK_EX:
4035 i = lockf (fd, F_LOCK, 0);
4036 break;
4037
4038 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4039 case LOCK_SH|LOCK_NB:
4040 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4041 case LOCK_EX|LOCK_NB:
4042 i = lockf (fd, F_TLOCK, 0);
4043 if (i == -1)
4044 if ((errno == EAGAIN) || (errno == EACCES))
4045 errno = EWOULDBLOCK;
4046 break;
4047
4048 /* LOCK_UN - unlock */
4049 case LOCK_UN:
4050 i = lockf (fd, F_ULOCK, 0);
4051 break;
4052
4053 /* Default - can't decipher operation */
4054 default:
4055 i = -1;
4056 errno = EINVAL;
4057 break;
4058 }
4059 return (i);
4060}
4061#endif