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This is my patch patch.1h for perl5.001.
[perl5.git] / pp_sys.c
CommitLineData
a0d0e21e
LW		 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
20/* Omit this -- it causes too much grief on mixed systems.
21#ifdef I_UNISTD
22#include <unistd.h>
23#endif
24*/
25
94b6baf5
AD		 26/* Put this after #includes because fork and vfork prototypes may
27 conflict.
28*/
29#ifndef HAS_VFORK
30# define vfork fork
31#endif
32
a0d0e21e
LW		 33#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
34# include <sys/socket.h>
35# include <netdb.h>
36# ifndef ENOTSOCK
37# ifdef I_NET_ERRNO
38# include <net/errno.h>
39# endif
40# endif
41#endif
42
43#ifdef HAS_SELECT
44#ifdef I_SYS_SELECT
45#ifndef I_SYS_TIME
46#include <sys/select.h>
47#endif
48#endif
49#endif
50
51#ifdef HOST_NOT_FOUND
52extern int h_errno;
53#endif
54
55#ifdef HAS_PASSWD
56# ifdef I_PWD
57# include <pwd.h>
58# else
59 struct passwd *getpwnam _((char *));
60 struct passwd *getpwuid _((Uid_t));
61# endif
62 struct passwd *getpwent _((void));
63#endif
64
65#ifdef HAS_GROUP
66# ifdef I_GRP
67# include <grp.h>
68# else
69 struct group *getgrnam _((char *));
70 struct group *getgrgid _((Gid_t));
71# endif
72 struct group *getgrent _((void));
73#endif
74
75#ifdef I_UTIME
76#include <utime.h>
77#endif
78#ifdef I_FCNTL
79#include <fcntl.h>
80#endif
81#ifdef I_SYS_FILE
82#include <sys/file.h>
83#endif
84
85#ifdef HAS_GETPGRP2
86# define getpgrp getpgrp2
87#endif
88
89#ifdef HAS_SETPGRP2
90# define setpgrp setpgrp2
91#endif
92
93#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
94static int dooneliner _((char *cmd, char *filename));
95#endif
96/* Pushy I/O. */
97
98PP(pp_backtick)
99{
100 dSP; dTARGET;
101 FILE *fp;
102 char *tmps = POPp;
103 TAINT_PROPER("``");
104 fp = my_popen(tmps, "r");
105 if (fp) {
106 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
107 if (GIMME == G_SCALAR) {
108 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
109 /*SUPPRESS 530*/
110 ;
111 XPUSHs(TARG);
112 }
113 else {
114 SV *sv;
115
116 for (;;) {
117 sv = NEWSV(56, 80);
118 if (sv_gets(sv, fp, 0) == Nullch) {
119 SvREFCNT_dec(sv);
120 break;
121 }
122 XPUSHs(sv_2mortal(sv));
123 if (SvLEN(sv) - SvCUR(sv) > 20) {
124 SvLEN_set(sv, SvCUR(sv)+1);
125 Renew(SvPVX(sv), SvLEN(sv), char);
126 }
127 }
128 }
129 statusvalue = my_pclose(fp);
130 }
131 else {
132 statusvalue = -1;
133 if (GIMME == G_SCALAR)
134 RETPUSHUNDEF;
135 }
136
137 RETURN;
138}
139
140PP(pp_glob)
141{
142 OP *result;
143 ENTER;
144 SAVEINT(rschar);
145 SAVEINT(rslen);
146
147 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
148 last_in_gv = (GV*)*stack_sp--;
149
150 rslen = 1;
151#ifdef DOSISH
152 rschar = 0;
153#else
154#ifdef CSH
155 rschar = 0;
156#else
157 rschar = '\n';
158#endif /* !CSH */
159#endif /* !MSDOS */
160 result = do_readline();
161 LEAVE;
162 return result;
163}
164
165PP(pp_indread)
166{
167 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
168 return do_readline();
169}
170
171PP(pp_rcatline)
172{
173 last_in_gv = cGVOP->op_gv;
174 return do_readline();
175}
176
177PP(pp_warn)
178{
179 dSP; dMARK;
180 char *tmps;
181 if (SP - MARK != 1) {
182 dTARGET;
183 do_join(TARG, &sv_no, MARK, SP);
184 tmps = SvPV(TARG, na);
185 SP = MARK + 1;
186 }
187 else {
188 tmps = SvPV(TOPs, na);
189 }
190 if (!tmps || !*tmps) {
191 SV *error = GvSV(gv_fetchpv("@", TRUE, SVt_PV));
192 (void)SvUPGRADE(error, SVt_PV);
193 if (SvPOK(error) && SvCUR(error))
194 sv_catpv(error, "\t...caught");
195 tmps = SvPV(error, na);
196 }
197 if (!tmps || !*tmps)
198 tmps = "Warning: something's wrong";
199 warn("%s", tmps);
200 RETSETYES;
201}
202
203PP(pp_die)
204{
205 dSP; dMARK;
206 char *tmps;
207 if (SP - MARK != 1) {
208 dTARGET;
209 do_join(TARG, &sv_no, MARK, SP);
210 tmps = SvPV(TARG, na);
211 SP = MARK + 1;
212 }
213 else {
214 tmps = SvPV(TOPs, na);
215 }
216 if (!tmps || !*tmps) {
217 SV *error = GvSV(gv_fetchpv("@", TRUE, SVt_PV));
218 (void)SvUPGRADE(error, SVt_PV);
219 if (SvPOK(error) && SvCUR(error))
220 sv_catpv(error, "\t...propagated");
221 tmps = SvPV(error, na);
222 }
223 if (!tmps || !*tmps)
224 tmps = "Died";
225 DIE("%s", tmps);
226}
227
228/* I/O. */
229
230PP(pp_open)
231{
232 dSP; dTARGET;
233 GV *gv;
234 SV *sv;
235 char *tmps;
236 STRLEN len;
237
238 if (MAXARG > 1)
239 sv = POPs;
240 else
241 sv = GvSV(TOPs);
242 gv = (GV*)POPs;
243 tmps = SvPV(sv, len);
244 if (do_open(gv, tmps, len,Nullfp)) {
245 IoLINES(GvIOp(gv)) = 0;
246 PUSHi( (I32)forkprocess );
247 }
248 else if (forkprocess == 0) /* we are a new child */
249 PUSHi(0);
250 else
251 RETPUSHUNDEF;
252 RETURN;
253}
254
255PP(pp_close)
256{
257 dSP;
258 GV *gv;
259
260 if (MAXARG == 0)
261 gv = defoutgv;
262 else
263 gv = (GV*)POPs;
264 EXTEND(SP, 1);
265 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
266 RETURN;
267}
268
269PP(pp_pipe_op)
270{
271 dSP;
272#ifdef HAS_PIPE
273 GV *rgv;
274 GV *wgv;
275 register IO *rstio;
276 register IO *wstio;
277 int fd[2];
278
279 wgv = (GV*)POPs;
280 rgv = (GV*)POPs;
281
282 if (!rgv || !wgv)
283 goto badexit;
284
285 rstio = GvIOn(rgv);
286 wstio = GvIOn(wgv);
287
288 if (IoIFP(rstio))
289 do_close(rgv, FALSE);
290 if (IoIFP(wstio))
291 do_close(wgv, FALSE);
292
293 if (pipe(fd) < 0)
294 goto badexit;
295
296 IoIFP(rstio) = fdopen(fd[0], "r");
297 IoOFP(wstio) = fdopen(fd[1], "w");
298 IoIFP(wstio) = IoOFP(wstio);
299 IoTYPE(rstio) = '<';
300 IoTYPE(wstio) = '>';
301
302 if (!IoIFP(rstio) || !IoOFP(wstio)) {
303 if (IoIFP(rstio)) fclose(IoIFP(rstio));
304 else close(fd[0]);
305 if (IoOFP(wstio)) fclose(IoOFP(wstio));
306 else close(fd[1]);
307 goto badexit;
308 }
309
310 RETPUSHYES;
311
312badexit:
313 RETPUSHUNDEF;
314#else
315 DIE(no_func, "pipe");
316#endif
317}
318
319PP(pp_fileno)
320{
321 dSP; dTARGET;
322 GV *gv;
323 IO *io;
324 FILE *fp;
325 if (MAXARG < 1)
326 RETPUSHUNDEF;
327 gv = (GV*)POPs;
328 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
329 RETPUSHUNDEF;
330 PUSHi(fileno(fp));
331 RETURN;
332}
333
334PP(pp_umask)
335{
336 dSP; dTARGET;
337 int anum;
338
339#ifdef HAS_UMASK
340 if (MAXARG < 1) {
341 anum = umask(0);
342 (void)umask(anum);
343 }
344 else
345 anum = umask(POPi);
346 TAINT_PROPER("umask");
347 XPUSHi(anum);
348#else
349 DIE(no_func, "Unsupported function umask");
350#endif
351 RETURN;
352}
353
354PP(pp_binmode)
355{
356 dSP;
357 GV *gv;
358 IO *io;
359 FILE *fp;
360
361 if (MAXARG < 1)
362 RETPUSHUNDEF;
363
364 gv = (GV*)POPs;
365
366 EXTEND(SP, 1);
367 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
368 RETSETUNDEF;
369
370#ifdef DOSISH
371#ifdef atarist
372 if (!fflush(fp) && (fp->_flag |= _IOBIN))
373 RETPUSHYES;
374 else
375 RETPUSHUNDEF;
376#else
377 if (setmode(fileno(fp), OP_BINARY) != -1)
378 RETPUSHYES;
379 else
380 RETPUSHUNDEF;
381#endif
382#else
383 RETPUSHYES;
384#endif
385}
386
387PP(pp_tie)
388{
389 dSP;
390 SV *varsv;
391 HV* stash;
392 GV *gv;
393 BINOP myop;
394 SV *sv;
395 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
396 I32 markoff = mark - stack_base - 1;
397 char *methname;
398
399 varsv = mark[0];
400 if (SvTYPE(varsv) == SVt_PVHV)
401 methname = "TIEHASH";
402 else if (SvTYPE(varsv) == SVt_PVAV)
403 methname = "TIEARRAY";
404 else if (SvTYPE(varsv) == SVt_PVGV)
405 methname = "TIEHANDLE";
406 else
407 methname = "TIESCALAR";
408
409 stash = gv_stashsv(mark[1], FALSE);
410 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
411 DIE("Can't locate object method \"%s\" via package \"%s\"",
412 methname, SvPV(mark[1],na));
413
414 Zero(&myop, 1, BINOP);
415 myop.op_last = (OP *) &myop;
416 myop.op_next = Nullop;
417 myop.op_flags = OPf_KNOW|OPf_STACKED;
418
419 ENTER;
420 SAVESPTR(op);
421 op = (OP *) &myop;
422
423 XPUSHs(gv);
424 PUTBACK;
425
426 if (op = pp_entersub())
427 run();
428 SPAGAIN;
429
430 sv = TOPs;
431 if (sv_isobject(sv)) {
432 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
433 sv_unmagic(varsv, 'P');
434 sv_magic(varsv, sv, 'P', Nullch, 0);
435 }
436 else {
437 sv_unmagic(varsv, 'q');
438 sv_magic(varsv, sv, 'q', Nullch, 0);
439 }
440 }
441 LEAVE;
442 SP = stack_base + markoff;
443 PUSHs(sv);
444 RETURN;
445}
446
447PP(pp_untie)
448{
449 dSP;
450 if (SvTYPE(TOPs) == SVt_PVHV || SvTYPE(TOPs) == SVt_PVAV)
451 sv_unmagic(TOPs, 'P');
452 else
453 sv_unmagic(TOPs, 'q');
454 RETSETYES;
455}
456
457PP(pp_dbmopen)
458{
459 dSP;
460 HV *hv;
461 dPOPPOPssrl;
462 HV* stash;
463 GV *gv;
464 BINOP myop;
465 SV *sv;
466
467 hv = (HV*)POPs;
468
469 sv = sv_mortalcopy(&sv_no);
470 sv_setpv(sv, "AnyDBM_File");
471 stash = gv_stashsv(sv, FALSE);
472 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
473 PUTBACK;
474 perl_requirepv("AnyDBM_File.pm");
475 SPAGAIN;
476 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
477 DIE("No dbm on this machine");
478 }
479
480 Zero(&myop, 1, BINOP);
481 myop.op_last = (OP *) &myop;
482 myop.op_next = Nullop;
483 myop.op_flags = OPf_KNOW|OPf_STACKED;
484
485 ENTER;
486 SAVESPTR(op);
487 op = (OP *) &myop;
488 PUTBACK;
489 pp_pushmark();
490
491 EXTEND(sp, 5);
492 PUSHs(sv);
493 PUSHs(left);
494 if (SvIV(right))
495 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
496 else
497 PUSHs(sv_2mortal(newSViv(O_RDWR)));
498 PUSHs(right);
499 PUSHs(gv);
500 PUTBACK;
501
502 if (op = pp_entersub())
503 run();
504 SPAGAIN;
505
506 if (!sv_isobject(TOPs)) {
507 sp--;
508 op = (OP *) &myop;
509 PUTBACK;
510 pp_pushmark();
511
512 PUSHs(sv);
513 PUSHs(left);
514 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
515 PUSHs(right);
516 PUSHs(gv);
517 PUTBACK;
518
519 if (op = pp_entersub())
520 run();
521 SPAGAIN;
522 }
523
524 if (sv_isobject(TOPs))
525 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
526 LEAVE;
527 RETURN;
528}
529
530PP(pp_dbmclose)
531{
532 return pp_untie(ARGS);
533}
534
535PP(pp_sselect)
536{
537 dSP; dTARGET;
538#ifdef HAS_SELECT
539 register I32 i;
540 register I32 j;
541 register char *s;
542 register SV *sv;
543 double value;
544 I32 maxlen = 0;
545 I32 nfound;
546 struct timeval timebuf;
547 struct timeval *tbuf = &timebuf;
548 I32 growsize;
549 char *fd_sets[4];
550#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
551 I32 masksize;
552 I32 offset;
553 I32 k;
554
555# if BYTEORDER & 0xf0000
556# define ORDERBYTE (0x88888888 - BYTEORDER)
557# else
558# define ORDERBYTE (0x4444 - BYTEORDER)
559# endif
560
561#endif
562
563 SP -= 4;
564 for (i = 1; i <= 3; i++) {
565 if (!SvPOK(SP[i]))
566 continue;
567 j = SvCUR(SP[i]);
568 if (maxlen < j)
569 maxlen = j;
570 }
571
572#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
573 growsize = maxlen; /* little endians can use vecs directly */
574#else
575#ifdef NFDBITS
576
577#ifndef NBBY
578#define NBBY 8
579#endif
580
581 masksize = NFDBITS / NBBY;
582#else
583 masksize = sizeof(long); /* documented int, everyone seems to use long */
584#endif
585 growsize = maxlen + (masksize - (maxlen % masksize));
586 Zero(&fd_sets[0], 4, char*);
587#endif
588
589 sv = SP[4];
590 if (SvOK(sv)) {
591 value = SvNV(sv);
592 if (value < 0.0)
593 value = 0.0;
594 timebuf.tv_sec = (long)value;
595 value -= (double)timebuf.tv_sec;
596 timebuf.tv_usec = (long)(value * 1000000.0);
597 }
598 else
599 tbuf = Null(struct timeval*);
600
601 for (i = 1; i <= 3; i++) {
602 sv = SP[i];
603 if (!SvOK(sv)) {
604 fd_sets[i] = 0;
605 continue;
606 }
607 else if (!SvPOK(sv))
608 SvPV_force(sv,na); /* force string conversion */
609 j = SvLEN(sv);
610 if (j < growsize) {
611 Sv_Grow(sv, growsize);
612 s = SvPVX(sv) + j;
613 while (++j <= growsize) {
614 *s++ = '\0';
615 }
616 }
617#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
618 s = SvPVX(sv);
619 New(403, fd_sets[i], growsize, char);
620 for (offset = 0; offset < growsize; offset += masksize) {
621 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
622 fd_sets[i][j+offset] = s[(k % masksize) + offset];
623 }
624#else
625 fd_sets[i] = SvPVX(sv);
626#endif
627 }
628
629 nfound = select(
630 maxlen * 8,
631 (Select_fd_set_t) fd_sets[1],
632 (Select_fd_set_t) fd_sets[2],
633 (Select_fd_set_t) fd_sets[3],
634 tbuf);
635 for (i = 1; i <= 3; i++) {
636 if (fd_sets[i]) {
637 sv = SP[i];
638#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
639 s = SvPVX(sv);
640 for (offset = 0; offset < growsize; offset += masksize) {
641 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
642 s[(k % masksize) + offset] = fd_sets[i][j+offset];
643 }
644 Safefree(fd_sets[i]);
645#endif
646 SvSETMAGIC(sv);
647 }
648 }
649
650 PUSHi(nfound);
651 if (GIMME == G_ARRAY && tbuf) {
652 value = (double)(timebuf.tv_sec) +
653 (double)(timebuf.tv_usec) / 1000000.0;
654 PUSHs(sv = sv_mortalcopy(&sv_no));
655 sv_setnv(sv, value);
656 }
657 RETURN;
658#else
659 DIE("select not implemented");
660#endif
661}
662
663PP(pp_select)
664{
665 dSP; dTARGET;
666 GV *oldgv = defoutgv;
667 if (op->op_private > 0) {
668 defoutgv = (GV*)POPs;
669 if (!GvIO(defoutgv))
670 gv_IOadd(defoutgv);
671 }
672 gv_efullname(TARG, oldgv);
673 XPUSHTARG;
674 RETURN;
675}
676
677PP(pp_getc)
678{
679 dSP; dTARGET;
680 GV *gv;
681
682 if (MAXARG <= 0)
683 gv = stdingv;
684 else
685 gv = (GV*)POPs;
686 if (!gv)
687 gv = argvgv;
688 if (!gv || do_eof(gv)) /* make sure we have fp with something */
689 RETPUSHUNDEF;
690 TAINT_IF(1);
691 sv_setpv(TARG, " ");
692 *SvPVX(TARG) = getc(IoIFP(GvIOp(gv))); /* should never be EOF */
693 PUSHTARG;
694 RETURN;
695}
696
697PP(pp_read)
698{
699 return pp_sysread(ARGS);
700}
701
702static OP *
703doform(cv,gv,retop)
704CV *cv;
705GV *gv;
706OP *retop;
707{
708 register CONTEXT *cx;
709 I32 gimme = GIMME;
710 AV* padlist = CvPADLIST(cv);
711 SV** svp = AvARRAY(padlist);
712
713 ENTER;
714 SAVETMPS;
715
716 push_return(retop);
717 PUSHBLOCK(cx, CXt_SUB, stack_sp);
718 PUSHFORMAT(cx);
719 SAVESPTR(curpad);
720 curpad = AvARRAY((AV*)svp[1]);
721
722 defoutgv = gv; /* locally select filehandle so $% et al work */
723 return CvSTART(cv);
724}
725
726PP(pp_enterwrite)
727{
728 dSP;
729 register GV *gv;
730 register IO *io;
731 GV *fgv;
732 CV *cv;
733
734 if (MAXARG == 0)
735 gv = defoutgv;
736 else {
737 gv = (GV*)POPs;
738 if (!gv)
739 gv = defoutgv;
740 }
741 EXTEND(SP, 1);
742 io = GvIO(gv);
743 if (!io) {
744 RETPUSHNO;
745 }
746 if (IoFMT_GV(io))
747 fgv = IoFMT_GV(io);
748 else
749 fgv = gv;
750
751 cv = GvFORM(fgv);
752
753 if (!cv) {
754 if (fgv) {
748a9306
LW		 755 SV *tmpsv = sv_newmortal();
756 gv_efullname(tmpsv, gv);
757 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
a0d0e21e
LW		 758 }
759 DIE("Not a format reference");
760 }
748a9306 761 IoFLAGS(io) &= ~IOf_DIDTOP;
a0d0e21e
LW		 762
763 return doform(cv,gv,op->op_next);
764}
765
766PP(pp_leavewrite)
767{
768 dSP;
769 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
770 register IO *io = GvIOp(gv);
771 FILE *ofp = IoOFP(io);
772 FILE *fp;
773 SV **newsp;
774 I32 gimme;
775 register CONTEXT *cx;
776
777 DEBUG_f(fprintf(stderr,"left=%ld, todo=%ld\n",
778 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
779 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
780 formtarget != toptarget)
781 {
782 if (!IoTOP_GV(io)) {
783 GV *topgv;
784 char tmpbuf[256];
785
786 if (!IoTOP_NAME(io)) {
787 if (!IoFMT_NAME(io))
788 IoFMT_NAME(io) = savepv(GvNAME(gv));
789 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
790 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
748a9306 791 if ((topgv && GvFORM(topgv)) ||
a0d0e21e
LW		 792 !gv_fetchpv("top",FALSE,SVt_PVFM))
793 IoTOP_NAME(io) = savepv(tmpbuf);
794 else
795 IoTOP_NAME(io) = savepv("top");
796 }
797 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
798 if (!topgv || !GvFORM(topgv)) {
799 IoLINES_LEFT(io) = 100000000;
800 goto forget_top;
801 }
802 IoTOP_GV(io) = topgv;
803 }
748a9306
LW		 804 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
805 I32 lines = IoLINES_LEFT(io);
806 char *s = SvPVX(formtarget);
807 while (lines-- > 0) {
808 s = strchr(s, '\n');
809 if (!s)
810 break;
811 s++;
812 }
813 if (s) {
814 fwrite1(SvPVX(formtarget), s - SvPVX(formtarget), 1, ofp);
815 sv_chop(formtarget, s);
816 FmLINES(formtarget) -= IoLINES_LEFT(io);
817 }
818 }
a0d0e21e
LW		 819 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
820 fwrite1(SvPVX(formfeed), SvCUR(formfeed), 1, ofp);
821 IoLINES_LEFT(io) = IoPAGE_LEN(io);
822 IoPAGE(io)++;
823 formtarget = toptarget;
748a9306 824 IoFLAGS(io) |= IOf_DIDTOP;
a0d0e21e
LW		 825 return doform(GvFORM(IoTOP_GV(io)),gv,op);
826 }
827
828 forget_top:
829 POPBLOCK(cx,curpm);
830 POPFORMAT(cx);
831 LEAVE;
832
833 fp = IoOFP(io);
834 if (!fp) {
835 if (dowarn) {
836 if (IoIFP(io))
837 warn("Filehandle only opened for input");
838 else
839 warn("Write on closed filehandle");
840 }
841 PUSHs(&sv_no);
842 }
843 else {
844 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
845 if (dowarn)
846 warn("page overflow");
847 }
848 if (!fwrite1(SvPVX(formtarget), 1, SvCUR(formtarget), ofp) ||
849 ferror(fp))
850 PUSHs(&sv_no);
851 else {
852 FmLINES(formtarget) = 0;
853 SvCUR_set(formtarget, 0);
748a9306 854 *SvEND(formtarget) = '\0';
a0d0e21e
LW		 855 if (IoFLAGS(io) & IOf_FLUSH)
856 (void)fflush(fp);
857 PUSHs(&sv_yes);
858 }
859 }
860 formtarget = bodytarget;
861 PUTBACK;
862 return pop_return();
863}
864
865PP(pp_prtf)
866{
867 dSP; dMARK; dORIGMARK;
868 GV *gv;
869 IO *io;
870 FILE *fp;
871 SV *sv = NEWSV(0,0);
872
873 if (op->op_flags & OPf_STACKED)
874 gv = (GV*)*++MARK;
875 else
876 gv = defoutgv;
877 if (!(io = GvIO(gv))) {
748a9306
LW		 878 if (dowarn) {
879 gv_fullname(sv,gv);
880 warn("Filehandle %s never opened", SvPV(sv,na));
881 }
882 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 883 goto just_say_no;
884 }
885 else if (!(fp = IoOFP(io))) {
886 if (dowarn) {
748a9306 887 gv_fullname(sv,gv);
a0d0e21e 888 if (IoIFP(io))
748a9306 889 warn("Filehandle %s opened only for input", SvPV(sv,na));
a0d0e21e 890 else
748a9306 891 warn("printf on closed filehandle %s", SvPV(sv,na));
a0d0e21e 892 }
748a9306 893 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
a0d0e21e
LW		 894 goto just_say_no;
895 }
896 else {
897 do_sprintf(sv, SP - MARK, MARK + 1);
898 if (!do_print(sv, fp))
899 goto just_say_no;
900
901 if (IoFLAGS(io) & IOf_FLUSH)
902 if (fflush(fp) == EOF)
903 goto just_say_no;
904 }
905 SvREFCNT_dec(sv);
906 SP = ORIGMARK;
907 PUSHs(&sv_yes);
908 RETURN;
909
910 just_say_no:
911 SvREFCNT_dec(sv);
912 SP = ORIGMARK;
913 PUSHs(&sv_undef);
914 RETURN;
915}
916
917PP(pp_sysread)
918{
919 dSP; dMARK; dORIGMARK; dTARGET;
920 int offset;
921 GV *gv;
922 IO *io;
923 char *buffer;
924 int length;
925 int bufsize;
748a9306 926 SV *bufsv;
a0d0e21e
LW		 927 STRLEN blen;
928
929 gv = (GV*)*++MARK;
930 if (!gv)
931 goto say_undef;
748a9306
LW		 932 bufsv = *++MARK;
933 buffer = SvPV_force(bufsv, blen);
a0d0e21e
LW		 934 length = SvIVx(*++MARK);
935 if (length < 0)
936 DIE("Negative length");
748a9306 937 SETERRNO(0,0);
a0d0e21e
LW		 938 if (MARK < SP)
939 offset = SvIVx(*++MARK);
940 else
941 offset = 0;
942 io = GvIO(gv);
943 if (!io || !IoIFP(io))
944 goto say_undef;
945#ifdef HAS_SOCKET
946 if (op->op_type == OP_RECV) {
947 bufsize = sizeof buf;
748a9306 948 buffer = SvGROW(bufsv, length+1);
a0d0e21e
LW		 949 length = recvfrom(fileno(IoIFP(io)), buffer, length, offset,
950 (struct sockaddr *)buf, &bufsize);
951 if (length < 0)
952 RETPUSHUNDEF;
748a9306
LW		 953 SvCUR_set(bufsv, length);
954 *SvEND(bufsv) = '\0';
955 (void)SvPOK_only(bufsv);
956 SvSETMAGIC(bufsv);
a0d0e21e 957 if (tainting)
748a9306 958 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
a0d0e21e
LW		 959 SP = ORIGMARK;
960 sv_setpvn(TARG, buf, bufsize);
961 PUSHs(TARG);
962 RETURN;
963 }
964#else
965 if (op->op_type == OP_RECV)
966 DIE(no_sock_func, "recv");
967#endif
748a9306 968 buffer = SvGROW(bufsv, length+offset+1);
a0d0e21e
LW		 969 if (op->op_type == OP_SYSREAD) {
970 length = read(fileno(IoIFP(io)), buffer+offset, length);
971 }
972 else
973#ifdef HAS_SOCKET__bad_code_maybe
974 if (IoTYPE(io) == 's') {
975 bufsize = sizeof buf;
976 length = recvfrom(fileno(IoIFP(io)), buffer+offset, length, 0,
977 (struct sockaddr *)buf, &bufsize);
978 }
979 else
980#endif
981 length = fread(buffer+offset, 1, length, IoIFP(io));
982 if (length < 0)
983 goto say_undef;
748a9306
LW		 984 SvCUR_set(bufsv, length+offset);
985 *SvEND(bufsv) = '\0';
986 (void)SvPOK_only(bufsv);
987 SvSETMAGIC(bufsv);
a0d0e21e 988 if (tainting)
748a9306 989 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
a0d0e21e
LW		 990 SP = ORIGMARK;
991 PUSHi(length);
992 RETURN;
993
994 say_undef:
995 SP = ORIGMARK;
996 RETPUSHUNDEF;
997}
998
999PP(pp_syswrite)
1000{
1001 return pp_send(ARGS);
1002}
1003
1004PP(pp_send)
1005{
1006 dSP; dMARK; dORIGMARK; dTARGET;
1007 GV *gv;
1008 IO *io;
1009 int offset;
748a9306 1010 SV *bufsv;
a0d0e21e
LW		 1011 char *buffer;
1012 int length;
1013 STRLEN blen;
1014
1015 gv = (GV*)*++MARK;
1016 if (!gv)
1017 goto say_undef;
748a9306
LW		 1018 bufsv = *++MARK;
1019 buffer = SvPV(bufsv, blen);
a0d0e21e
LW		 1020 length = SvIVx(*++MARK);
1021 if (length < 0)
1022 DIE("Negative length");
748a9306 1023 SETERRNO(0,0);
a0d0e21e
LW		 1024 io = GvIO(gv);
1025 if (!io || !IoIFP(io)) {
1026 length = -1;
1027 if (dowarn) {
1028 if (op->op_type == OP_SYSWRITE)
1029 warn("Syswrite on closed filehandle");
1030 else
1031 warn("Send on closed socket");
1032 }
1033 }
1034 else if (op->op_type == OP_SYSWRITE) {
1035 if (MARK < SP)
1036 offset = SvIVx(*++MARK);
1037 else
1038 offset = 0;
1039 if (length > blen - offset)
1040 length = blen - offset;
1041 length = write(fileno(IoIFP(io)), buffer+offset, length);
1042 }
1043#ifdef HAS_SOCKET
1044 else if (SP > MARK) {
1045 char *sockbuf;
1046 STRLEN mlen;
1047 sockbuf = SvPVx(*++MARK, mlen);
1048 length = sendto(fileno(IoIFP(io)), buffer, blen, length,
1049 (struct sockaddr *)sockbuf, mlen);
1050 }
1051 else
1052 length = send(fileno(IoIFP(io)), buffer, blen, length);
1053#else
1054 else
1055 DIE(no_sock_func, "send");
1056#endif
1057 if (length < 0)
1058 goto say_undef;
1059 SP = ORIGMARK;
1060 PUSHi(length);
1061 RETURN;
1062
1063 say_undef:
1064 SP = ORIGMARK;
1065 RETPUSHUNDEF;
1066}
1067
1068PP(pp_recv)
1069{
1070 return pp_sysread(ARGS);
1071}
1072
1073PP(pp_eof)
1074{
1075 dSP;
1076 GV *gv;
1077
1078 if (MAXARG <= 0)
1079 gv = last_in_gv;
1080 else
1081 gv = last_in_gv = (GV*)POPs;
1082 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1083 RETURN;
1084}
1085
1086PP(pp_tell)
1087{
1088 dSP; dTARGET;
1089 GV *gv;
1090
1091 if (MAXARG <= 0)
1092 gv = last_in_gv;
1093 else
1094 gv = last_in_gv = (GV*)POPs;
1095 PUSHi( do_tell(gv) );
1096 RETURN;
1097}
1098
1099PP(pp_seek)
1100{
1101 dSP;
1102 GV *gv;
1103 int whence = POPi;
1104 long offset = POPl;
1105
1106 gv = last_in_gv = (GV*)POPs;
1107 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1108 RETURN;
1109}
1110
1111PP(pp_truncate)
1112{
1113 dSP;
1114 Off_t len = (Off_t)POPn;
1115 int result = 1;
1116 GV *tmpgv;
1117
748a9306 1118 SETERRNO(0,0);
5d94fbed 1119#if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
a0d0e21e
LW		 1120#ifdef HAS_TRUNCATE
1121 if (op->op_flags & OPf_SPECIAL) {
1122 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1123 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1124 ftruncate(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1125 result = 0;
1126 }
1127 else if (truncate(POPp, len) < 0)
1128 result = 0;
1129#else
1130 if (op->op_flags & OPf_SPECIAL) {
1131 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1132 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1133 chsize(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1134 result = 0;
1135 }
1136 else {
1137 int tmpfd;
1138
1139 if ((tmpfd = open(POPp, 0)) < 0)
1140 result = 0;
1141 else {
1142 if (chsize(tmpfd, len) < 0)
1143 result = 0;
1144 close(tmpfd);
1145 }
1146 }
1147#endif
1148
1149 if (result)
1150 RETPUSHYES;
1151 if (!errno)
748a9306 1152 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 1153 RETPUSHUNDEF;
1154#else
1155 DIE("truncate not implemented");
1156#endif
1157}
1158
1159PP(pp_fcntl)
1160{
1161 return pp_ioctl(ARGS);
1162}
1163
1164PP(pp_ioctl)
1165{
1166 dSP; dTARGET;
748a9306 1167 SV *argsv = POPs;
a0d0e21e
LW		 1168 unsigned int func = U_I(POPn);
1169 int optype = op->op_type;
1170 char *s;
1171 int retval;
1172 GV *gv = (GV*)POPs;
1173 IO *io = GvIOn(gv);
1174
748a9306
LW		 1175 if (!io || !argsv || !IoIFP(io)) {
1176 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
a0d0e21e
LW		 1177 RETPUSHUNDEF;
1178 }
1179
748a9306 1180 if (SvPOK(argsv) || !SvNIOK(argsv)) {
a0d0e21e 1181 STRLEN len;
748a9306 1182 s = SvPV_force(argsv, len);
a0d0e21e
LW		 1183 retval = IOCPARM_LEN(func);
1184 if (len < retval) {
748a9306
LW		 1185 s = Sv_Grow(argsv, retval+1);
1186 SvCUR_set(argsv, retval);
a0d0e21e
LW		 1187 }
1188
748a9306 1189 s[SvCUR(argsv)] = 17; /* a little sanity check here */
a0d0e21e
LW		 1190 }
1191 else {
748a9306 1192 retval = SvIV(argsv);
a0d0e21e
LW		 1193#ifdef DOSISH
1194 s = (char*)(long)retval; /* ouch */
1195#else
1196 s = (char*)retval; /* ouch */
1197#endif
1198 }
1199
1200 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1201
1202 if (optype == OP_IOCTL)
1203#ifdef HAS_IOCTL
1204 retval = ioctl(fileno(IoIFP(io)), func, s);
1205#else
1206 DIE("ioctl is not implemented");
1207#endif
1208 else
1209#ifdef DOSISH
1210 DIE("fcntl is not implemented");
1211#else
1212# ifdef HAS_FCNTL
1213 retval = fcntl(fileno(IoIFP(io)), func, s);
1214# else
1215 DIE("fcntl is not implemented");
1216# endif
1217#endif
1218
748a9306
LW		 1219 if (SvPOK(argsv)) {
1220 if (s[SvCUR(argsv)] != 17)
a0d0e21e
LW		 1221 DIE("Possible memory corruption: %s overflowed 3rd argument",
1222 op_name[optype]);
748a9306
LW		 1223 s[SvCUR(argsv)] = 0; /* put our null back */
1224 SvSETMAGIC(argsv); /* Assume it has changed */
a0d0e21e
LW		 1225 }
1226
1227 if (retval == -1)
1228 RETPUSHUNDEF;
1229 if (retval != 0) {
1230 PUSHi(retval);
1231 }
1232 else {
1233 PUSHp("0 but true", 10);
1234 }
1235 RETURN;
1236}
1237
1238PP(pp_flock)
1239{
1240 dSP; dTARGET;
1241 I32 value;
1242 int argtype;
1243 GV *gv;
1244 FILE *fp;
1245#ifdef HAS_FLOCK
1246 argtype = POPi;
1247 if (MAXARG <= 0)
1248 gv = last_in_gv;
1249 else
1250 gv = (GV*)POPs;
1251 if (gv && GvIO(gv))
1252 fp = IoIFP(GvIOp(gv));
1253 else
1254 fp = Nullfp;
1255 if (fp) {
1256 value = (I32)(flock(fileno(fp), argtype) >= 0);
1257 }
1258 else
1259 value = 0;
1260 PUSHi(value);
1261 RETURN;
1262#else
1263# ifdef HAS_LOCKF
1264 DIE(no_func, "flock()"); /* XXX emulate flock() with lockf()? */
1265# else
1266 DIE(no_func, "flock()");
1267# endif
1268#endif
1269}
1270
1271/* Sockets. */
1272
1273PP(pp_socket)
1274{
1275 dSP;
1276#ifdef HAS_SOCKET
1277 GV *gv;
1278 register IO *io;
1279 int protocol = POPi;
1280 int type = POPi;
1281 int domain = POPi;
1282 int fd;
1283
1284 gv = (GV*)POPs;
1285
1286 if (!gv) {
748a9306 1287 SETERRNO(EBADF,LIB$_INVARG);
a0d0e21e
LW		 1288 RETPUSHUNDEF;
1289 }
1290
1291 io = GvIOn(gv);
1292 if (IoIFP(io))
1293 do_close(gv, FALSE);
1294
1295 TAINT_PROPER("socket");
1296 fd = socket(domain, type, protocol);
1297 if (fd < 0)
1298 RETPUSHUNDEF;
1299 IoIFP(io) = fdopen(fd, "r"); /* stdio gets confused about sockets */
1300 IoOFP(io) = fdopen(fd, "w");
1301 IoTYPE(io) = 's';
1302 if (!IoIFP(io) || !IoOFP(io)) {
1303 if (IoIFP(io)) fclose(IoIFP(io));
1304 if (IoOFP(io)) fclose(IoOFP(io));
1305 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1306 RETPUSHUNDEF;
1307 }
1308
1309 RETPUSHYES;
1310#else
1311 DIE(no_sock_func, "socket");
1312#endif
1313}
1314
1315PP(pp_sockpair)
1316{
1317 dSP;
1318#ifdef HAS_SOCKETPAIR
1319 GV *gv1;
1320 GV *gv2;
1321 register IO *io1;
1322 register IO *io2;
1323 int protocol = POPi;
1324 int type = POPi;
1325 int domain = POPi;
1326 int fd[2];
1327
1328 gv2 = (GV*)POPs;
1329 gv1 = (GV*)POPs;
1330 if (!gv1 || !gv2)
1331 RETPUSHUNDEF;
1332
1333 io1 = GvIOn(gv1);
1334 io2 = GvIOn(gv2);
1335 if (IoIFP(io1))
1336 do_close(gv1, FALSE);
1337 if (IoIFP(io2))
1338 do_close(gv2, FALSE);
1339
1340 TAINT_PROPER("socketpair");
1341 if (socketpair(domain, type, protocol, fd) < 0)
1342 RETPUSHUNDEF;
1343 IoIFP(io1) = fdopen(fd[0], "r");
1344 IoOFP(io1) = fdopen(fd[0], "w");
1345 IoTYPE(io1) = 's';
1346 IoIFP(io2) = fdopen(fd[1], "r");
1347 IoOFP(io2) = fdopen(fd[1], "w");
1348 IoTYPE(io2) = 's';
1349 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1350 if (IoIFP(io1)) fclose(IoIFP(io1));
1351 if (IoOFP(io1)) fclose(IoOFP(io1));
1352 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1353 if (IoIFP(io2)) fclose(IoIFP(io2));
1354 if (IoOFP(io2)) fclose(IoOFP(io2));
1355 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1356 RETPUSHUNDEF;
1357 }
1358
1359 RETPUSHYES;
1360#else
1361 DIE(no_sock_func, "socketpair");
1362#endif
1363}
1364
1365PP(pp_bind)
1366{
1367 dSP;
1368#ifdef HAS_SOCKET
748a9306 1369 SV *addrsv = POPs;
a0d0e21e
LW		 1370 char *addr;
1371 GV *gv = (GV*)POPs;
1372 register IO *io = GvIOn(gv);
1373 STRLEN len;
1374
1375 if (!io || !IoIFP(io))
1376 goto nuts;
1377
748a9306 1378 addr = SvPV(addrsv, len);
a0d0e21e
LW		 1379 TAINT_PROPER("bind");
1380 if (bind(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1381 RETPUSHYES;
1382 else
1383 RETPUSHUNDEF;
1384
1385nuts:
1386 if (dowarn)
1387 warn("bind() on closed fd");
748a9306 1388 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1389 RETPUSHUNDEF;
1390#else
1391 DIE(no_sock_func, "bind");
1392#endif
1393}
1394
1395PP(pp_connect)
1396{
1397 dSP;
1398#ifdef HAS_SOCKET
748a9306 1399 SV *addrsv = POPs;
a0d0e21e
LW		 1400 char *addr;
1401 GV *gv = (GV*)POPs;
1402 register IO *io = GvIOn(gv);
1403 STRLEN len;
1404
1405 if (!io || !IoIFP(io))
1406 goto nuts;
1407
748a9306 1408 addr = SvPV(addrsv, len);
a0d0e21e
LW		 1409 TAINT_PROPER("connect");
1410 if (connect(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1411 RETPUSHYES;
1412 else
1413 RETPUSHUNDEF;
1414
1415nuts:
1416 if (dowarn)
1417 warn("connect() on closed fd");
748a9306 1418 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1419 RETPUSHUNDEF;
1420#else
1421 DIE(no_sock_func, "connect");
1422#endif
1423}
1424
1425PP(pp_listen)
1426{
1427 dSP;
1428#ifdef HAS_SOCKET
1429 int backlog = POPi;
1430 GV *gv = (GV*)POPs;
1431 register IO *io = GvIOn(gv);
1432
1433 if (!io || !IoIFP(io))
1434 goto nuts;
1435
1436 if (listen(fileno(IoIFP(io)), backlog) >= 0)
1437 RETPUSHYES;
1438 else
1439 RETPUSHUNDEF;
1440
1441nuts:
1442 if (dowarn)
1443 warn("listen() on closed fd");
748a9306 1444 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1445 RETPUSHUNDEF;
1446#else
1447 DIE(no_sock_func, "listen");
1448#endif
1449}
1450
1451PP(pp_accept)
1452{
748a9306 1453 struct sockaddr_in saddr; /* use a struct to avoid alignment problems */
a0d0e21e
LW		 1454 dSP; dTARGET;
1455#ifdef HAS_SOCKET
1456 GV *ngv;
1457 GV *ggv;
1458 register IO *nstio;
1459 register IO *gstio;
748a9306 1460 int len = sizeof saddr;
a0d0e21e
LW		 1461 int fd;
1462
1463 ggv = (GV*)POPs;
1464 ngv = (GV*)POPs;
1465
1466 if (!ngv)
1467 goto badexit;
1468 if (!ggv)
1469 goto nuts;
1470
1471 gstio = GvIO(ggv);
1472 if (!gstio || !IoIFP(gstio))
1473 goto nuts;
1474
1475 nstio = GvIOn(ngv);
1476 if (IoIFP(nstio))
1477 do_close(ngv, FALSE);
1478
748a9306 1479 fd = accept(fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
a0d0e21e
LW		 1480 if (fd < 0)
1481 goto badexit;
1482 IoIFP(nstio) = fdopen(fd, "r");
1483 IoOFP(nstio) = fdopen(fd, "w");
1484 IoTYPE(nstio) = 's';
1485 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1486 if (IoIFP(nstio)) fclose(IoIFP(nstio));
1487 if (IoOFP(nstio)) fclose(IoOFP(nstio));
1488 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1489 goto badexit;
1490 }
1491
748a9306 1492 PUSHp((char *)&saddr, len);
a0d0e21e
LW		 1493 RETURN;
1494
1495nuts:
1496 if (dowarn)
1497 warn("accept() on closed fd");
748a9306 1498 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1499
1500badexit:
1501 RETPUSHUNDEF;
1502
1503#else
1504 DIE(no_sock_func, "accept");
1505#endif
1506}
1507
1508PP(pp_shutdown)
1509{
1510 dSP; dTARGET;
1511#ifdef HAS_SOCKET
1512 int how = POPi;
1513 GV *gv = (GV*)POPs;
1514 register IO *io = GvIOn(gv);
1515
1516 if (!io || !IoIFP(io))
1517 goto nuts;
1518
1519 PUSHi( shutdown(fileno(IoIFP(io)), how) >= 0 );
1520 RETURN;
1521
1522nuts:
1523 if (dowarn)
1524 warn("shutdown() on closed fd");
748a9306 1525 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1526 RETPUSHUNDEF;
1527#else
1528 DIE(no_sock_func, "shutdown");
1529#endif
1530}
1531
1532PP(pp_gsockopt)
1533{
1534#ifdef HAS_SOCKET
1535 return pp_ssockopt(ARGS);
1536#else
1537 DIE(no_sock_func, "getsockopt");
1538#endif
1539}
1540
1541PP(pp_ssockopt)
1542{
1543 dSP;
1544#ifdef HAS_SOCKET
1545 int optype = op->op_type;
1546 SV *sv;
1547 int fd;
1548 unsigned int optname;
1549 unsigned int lvl;
1550 GV *gv;
1551 register IO *io;
748a9306 1552 int aint;
a0d0e21e
LW		 1553
1554 if (optype == OP_GSOCKOPT)
1555 sv = sv_2mortal(NEWSV(22, 257));
1556 else
1557 sv = POPs;
1558 optname = (unsigned int) POPi;
1559 lvl = (unsigned int) POPi;
1560
1561 gv = (GV*)POPs;
1562 io = GvIOn(gv);
1563 if (!io || !IoIFP(io))
1564 goto nuts;
1565
1566 fd = fileno(IoIFP(io));
1567 switch (optype) {
1568 case OP_GSOCKOPT:
748a9306 1569 SvGROW(sv, 257);
a0d0e21e 1570 (void)SvPOK_only(sv);
748a9306
LW		 1571 SvCUR_set(sv,256);
1572 *SvEND(sv) ='\0';
1573 aint = SvCUR(sv);
1574 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
a0d0e21e 1575 goto nuts2;
748a9306
LW		 1576 SvCUR_set(sv,aint);
1577 *SvEND(sv) ='\0';
a0d0e21e
LW		 1578 PUSHs(sv);
1579 break;
1580 case OP_SSOCKOPT: {
a0d0e21e
LW		 1581 STRLEN len = 0;
1582 char *buf = 0;
1583 if (SvPOKp(sv))
1584 buf = SvPV(sv, len);
1585 else if (SvOK(sv)) {
1586 aint = (int)SvIV(sv);
1587 buf = (char*)&aint;
1588 len = sizeof(int);
1589 }
1590 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1591 goto nuts2;
1592 PUSHs(&sv_yes);
1593 }
1594 break;
1595 }
1596 RETURN;
1597
1598nuts:
1599 if (dowarn)
1600 warn("[gs]etsockopt() on closed fd");
748a9306 1601 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1602nuts2:
1603 RETPUSHUNDEF;
1604
1605#else
1606 DIE(no_sock_func, "setsockopt");
1607#endif
1608}
1609
1610PP(pp_getsockname)
1611{
1612#ifdef HAS_SOCKET
1613 return pp_getpeername(ARGS);
1614#else
1615 DIE(no_sock_func, "getsockname");
1616#endif
1617}
1618
1619PP(pp_getpeername)
1620{
1621 dSP;
1622#ifdef HAS_SOCKET
1623 int optype = op->op_type;
1624 SV *sv;
1625 int fd;
1626 GV *gv = (GV*)POPs;
1627 register IO *io = GvIOn(gv);
748a9306 1628 int aint;
a0d0e21e
LW		 1629
1630 if (!io || !IoIFP(io))
1631 goto nuts;
1632
1633 sv = sv_2mortal(NEWSV(22, 257));
748a9306
LW		 1634 (void)SvPOK_only(sv);
1635 SvCUR_set(sv,256);
1636 *SvEND(sv) ='\0';
1637 aint = SvCUR(sv);
a0d0e21e
LW		 1638 fd = fileno(IoIFP(io));
1639 switch (optype) {
1640 case OP_GETSOCKNAME:
748a9306 1641 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
a0d0e21e
LW		 1642 goto nuts2;
1643 break;
1644 case OP_GETPEERNAME:
748a9306 1645 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
a0d0e21e
LW		 1646 goto nuts2;
1647 break;
1648 }
748a9306
LW		 1649 SvCUR_set(sv,aint);
1650 *SvEND(sv) ='\0';
a0d0e21e
LW		 1651 PUSHs(sv);
1652 RETURN;
1653
1654nuts:
1655 if (dowarn)
1656 warn("get{sock, peer}name() on closed fd");
748a9306 1657 SETERRNO(EBADF,SS$_IVCHAN);
a0d0e21e
LW		 1658nuts2:
1659 RETPUSHUNDEF;
1660
1661#else
1662 DIE(no_sock_func, "getpeername");
1663#endif
1664}
1665
1666/* Stat calls. */
1667
1668PP(pp_lstat)
1669{
1670 return pp_stat(ARGS);
1671}
1672
1673PP(pp_stat)
1674{
1675 dSP;
1676 GV *tmpgv;
1677 I32 max = 13;
1678
1679 if (op->op_flags & OPf_REF) {
1680 tmpgv = cGVOP->op_gv;
748a9306 1681 do_fstat:
a0d0e21e
LW		 1682 if (tmpgv != defgv) {
1683 laststype = OP_STAT;
1684 statgv = tmpgv;
1685 sv_setpv(statname, "");
1686 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1687 Fstat(fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1688 max = 0;
1689 laststatval = -1;
1690 }
1691 }
1692 else if (laststatval < 0)
1693 max = 0;
1694 }
1695 else {
748a9306
LW		 1696 SV* sv = POPs;
1697 if (SvTYPE(sv) == SVt_PVGV) {
1698 tmpgv = (GV*)sv;
1699 goto do_fstat;
1700 }
1701 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1702 tmpgv = (GV*)SvRV(sv);
1703 goto do_fstat;
1704 }
1705 sv_setpv(statname, SvPV(sv,na));
a0d0e21e
LW		 1706 statgv = Nullgv;
1707#ifdef HAS_LSTAT
1708 laststype = op->op_type;
1709 if (op->op_type == OP_LSTAT)
1710 laststatval = lstat(SvPV(statname, na), &statcache);
1711 else
1712#endif
1713 laststatval = Stat(SvPV(statname, na), &statcache);
1714 if (laststatval < 0) {
1715 if (dowarn && strchr(SvPV(statname, na), '\n'))
1716 warn(warn_nl, "stat");
1717 max = 0;
1718 }
1719 }
1720
1721 EXTEND(SP, 13);
1722 if (GIMME != G_ARRAY) {
1723 if (max)
1724 RETPUSHYES;
1725 else
1726 RETPUSHUNDEF;
1727 }
1728 if (max) {
1729 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1730 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1731 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1732 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1733 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1734 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1735 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1736 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1737 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1738 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1739 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1740#ifdef USE_STAT_BLOCKS
1741 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1742 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1743#else
1744 PUSHs(sv_2mortal(newSVpv("", 0)));
1745 PUSHs(sv_2mortal(newSVpv("", 0)));
1746#endif
1747 }
1748 RETURN;
1749}
1750
1751PP(pp_ftrread)
1752{
1753 I32 result = my_stat(ARGS);
1754 dSP;
1755 if (result < 0)
1756 RETPUSHUNDEF;
1757 if (cando(S_IRUSR, 0, &statcache))
1758 RETPUSHYES;
1759 RETPUSHNO;
1760}
1761
1762PP(pp_ftrwrite)
1763{
1764 I32 result = my_stat(ARGS);
1765 dSP;
1766 if (result < 0)
1767 RETPUSHUNDEF;
1768 if (cando(S_IWUSR, 0, &statcache))
1769 RETPUSHYES;
1770 RETPUSHNO;
1771}
1772
1773PP(pp_ftrexec)
1774{
1775 I32 result = my_stat(ARGS);
1776 dSP;
1777 if (result < 0)
1778 RETPUSHUNDEF;
1779 if (cando(S_IXUSR, 0, &statcache))
1780 RETPUSHYES;
1781 RETPUSHNO;
1782}
1783
1784PP(pp_fteread)
1785{
1786 I32 result = my_stat(ARGS);
1787 dSP;
1788 if (result < 0)
1789 RETPUSHUNDEF;
1790 if (cando(S_IRUSR, 1, &statcache))
1791 RETPUSHYES;
1792 RETPUSHNO;
1793}
1794
1795PP(pp_ftewrite)
1796{
1797 I32 result = my_stat(ARGS);
1798 dSP;
1799 if (result < 0)
1800 RETPUSHUNDEF;
1801 if (cando(S_IWUSR, 1, &statcache))
1802 RETPUSHYES;
1803 RETPUSHNO;
1804}
1805
1806PP(pp_fteexec)
1807{
1808 I32 result = my_stat(ARGS);
1809 dSP;
1810 if (result < 0)
1811 RETPUSHUNDEF;
1812 if (cando(S_IXUSR, 1, &statcache))
1813 RETPUSHYES;
1814 RETPUSHNO;
1815}
1816
1817PP(pp_ftis)
1818{
1819 I32 result = my_stat(ARGS);
1820 dSP;
1821 if (result < 0)
1822 RETPUSHUNDEF;
1823 RETPUSHYES;
1824}
1825
1826PP(pp_fteowned)
1827{
1828 return pp_ftrowned(ARGS);
1829}
1830
1831PP(pp_ftrowned)
1832{
1833 I32 result = my_stat(ARGS);
1834 dSP;
1835 if (result < 0)
1836 RETPUSHUNDEF;
1837 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
1838 RETPUSHYES;
1839 RETPUSHNO;
1840}
1841
1842PP(pp_ftzero)
1843{
1844 I32 result = my_stat(ARGS);
1845 dSP;
1846 if (result < 0)
1847 RETPUSHUNDEF;
1848 if (!statcache.st_size)
1849 RETPUSHYES;
1850 RETPUSHNO;
1851}
1852
1853PP(pp_ftsize)
1854{
1855 I32 result = my_stat(ARGS);
1856 dSP; dTARGET;
1857 if (result < 0)
1858 RETPUSHUNDEF;
1859 PUSHi(statcache.st_size);
1860 RETURN;
1861}
1862
1863PP(pp_ftmtime)
1864{
1865 I32 result = my_stat(ARGS);
1866 dSP; dTARGET;
1867 if (result < 0)
1868 RETPUSHUNDEF;
1869 PUSHn( (basetime - statcache.st_mtime) / 86400.0 );
1870 RETURN;
1871}
1872
1873PP(pp_ftatime)
1874{
1875 I32 result = my_stat(ARGS);
1876 dSP; dTARGET;
1877 if (result < 0)
1878 RETPUSHUNDEF;
1879 PUSHn( (basetime - statcache.st_atime) / 86400.0 );
1880 RETURN;
1881}
1882
1883PP(pp_ftctime)
1884{
1885 I32 result = my_stat(ARGS);
1886 dSP; dTARGET;
1887 if (result < 0)
1888 RETPUSHUNDEF;
1889 PUSHn( (basetime - statcache.st_ctime) / 86400.0 );
1890 RETURN;
1891}
1892
1893PP(pp_ftsock)
1894{
1895 I32 result = my_stat(ARGS);
1896 dSP;
1897 if (result < 0)
1898 RETPUSHUNDEF;
1899 if (S_ISSOCK(statcache.st_mode))
1900 RETPUSHYES;
1901 RETPUSHNO;
1902}
1903
1904PP(pp_ftchr)
1905{
1906 I32 result = my_stat(ARGS);
1907 dSP;
1908 if (result < 0)
1909 RETPUSHUNDEF;
1910 if (S_ISCHR(statcache.st_mode))
1911 RETPUSHYES;
1912 RETPUSHNO;
1913}
1914
1915PP(pp_ftblk)
1916{
1917 I32 result = my_stat(ARGS);
1918 dSP;
1919 if (result < 0)
1920 RETPUSHUNDEF;
1921 if (S_ISBLK(statcache.st_mode))
1922 RETPUSHYES;
1923 RETPUSHNO;
1924}
1925
1926PP(pp_ftfile)
1927{
1928 I32 result = my_stat(ARGS);
1929 dSP;
1930 if (result < 0)
1931 RETPUSHUNDEF;
1932 if (S_ISREG(statcache.st_mode))
1933 RETPUSHYES;
1934 RETPUSHNO;
1935}
1936
1937PP(pp_ftdir)
1938{
1939 I32 result = my_stat(ARGS);
1940 dSP;
1941 if (result < 0)
1942 RETPUSHUNDEF;
1943 if (S_ISDIR(statcache.st_mode))
1944 RETPUSHYES;
1945 RETPUSHNO;
1946}
1947
1948PP(pp_ftpipe)
1949{
1950 I32 result = my_stat(ARGS);
1951 dSP;
1952 if (result < 0)
1953 RETPUSHUNDEF;
1954 if (S_ISFIFO(statcache.st_mode))
1955 RETPUSHYES;
1956 RETPUSHNO;
1957}
1958
1959PP(pp_ftlink)
1960{
1961 I32 result = my_lstat(ARGS);
1962 dSP;
1963 if (result < 0)
1964 RETPUSHUNDEF;
1965 if (S_ISLNK(statcache.st_mode))
1966 RETPUSHYES;
1967 RETPUSHNO;
1968}
1969
1970PP(pp_ftsuid)
1971{
1972 dSP;
1973#ifdef S_ISUID
1974 I32 result = my_stat(ARGS);
1975 SPAGAIN;
1976 if (result < 0)
1977 RETPUSHUNDEF;
1978 if (statcache.st_mode & S_ISUID)
1979 RETPUSHYES;
1980#endif
1981 RETPUSHNO;
1982}
1983
1984PP(pp_ftsgid)
1985{
1986 dSP;
1987#ifdef S_ISGID
1988 I32 result = my_stat(ARGS);
1989 SPAGAIN;
1990 if (result < 0)
1991 RETPUSHUNDEF;
1992 if (statcache.st_mode & S_ISGID)
1993 RETPUSHYES;
1994#endif
1995 RETPUSHNO;
1996}
1997
1998PP(pp_ftsvtx)
1999{
2000 dSP;
2001#ifdef S_ISVTX
2002 I32 result = my_stat(ARGS);
2003 SPAGAIN;
2004 if (result < 0)
2005 RETPUSHUNDEF;
2006 if (statcache.st_mode & S_ISVTX)
2007 RETPUSHYES;
2008#endif
2009 RETPUSHNO;
2010}
2011
2012PP(pp_fttty)
2013{
2014 dSP;
2015 int fd;
2016 GV *gv;
2017 char *tmps;
2018 if (op->op_flags & OPf_REF) {
2019 gv = cGVOP->op_gv;
2020 tmps = "";
2021 }
2022 else
2023 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2024 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2025 fd = fileno(IoIFP(GvIOp(gv)));
2026 else if (isDIGIT(*tmps))
2027 fd = atoi(tmps);
2028 else
2029 RETPUSHUNDEF;
2030 if (isatty(fd))
2031 RETPUSHYES;
2032 RETPUSHNO;
2033}
2034
2035#if defined(USE_STD_STDIO) || defined(atarist) /* this will work with atariST */
2036# define FBASE(f) ((f)->_base)
2037# define FSIZE(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2038# define FPTR(f) ((f)->_ptr)
2039# define FCOUNT(f) ((f)->_cnt)
2040#else
2041# if defined(USE_LINUX_STDIO)
2042# define FBASE(f) ((f)->_IO_read_base)
2043# define FSIZE(f) ((f)->_IO_read_end - FBASE(f))
2044# define FPTR(f) ((f)->_IO_read_ptr)
2045# define FCOUNT(f) ((f)->_IO_read_end - FPTR(f))
2046# endif
2047#endif
2048
2049PP(pp_fttext)
2050{
2051 dSP;
2052 I32 i;
2053 I32 len;
2054 I32 odd = 0;
2055 STDCHAR tbuf[512];
2056 register STDCHAR *s;
2057 register IO *io;
2058 SV *sv;
2059
2060 if (op->op_flags & OPf_REF) {
2061 EXTEND(SP, 1);
2062 if (cGVOP->op_gv == defgv) {
2063 if (statgv)
2064 io = GvIO(statgv);
2065 else {
2066 sv = statname;
2067 goto really_filename;
2068 }
2069 }
2070 else {
2071 statgv = cGVOP->op_gv;
2072 sv_setpv(statname, "");
2073 io = GvIO(statgv);
2074 }
2075 if (io && IoIFP(io)) {
2076#ifdef FBASE
2077 Fstat(fileno(IoIFP(io)), &statcache);
2078 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2079 if (op->op_type == OP_FTTEXT)
2080 RETPUSHNO;
2081 else
2082 RETPUSHYES;
2083 if (FCOUNT(IoIFP(io)) <= 0) {
2084 i = getc(IoIFP(io));
2085 if (i != EOF)
2086 (void)ungetc(i, IoIFP(io));
2087 }
2088 if (FCOUNT(IoIFP(io)) <= 0) /* null file is anything */
2089 RETPUSHYES;
2090 len = FSIZE(IoIFP(io));
2091 s = FBASE(IoIFP(io));
2092#else
2093 DIE("-T and -B not implemented on filehandles");
2094#endif
2095 }
2096 else {
2097 if (dowarn)
2098 warn("Test on unopened file <%s>",
2099 GvENAME(cGVOP->op_gv));
748a9306 2100 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 2101 RETPUSHUNDEF;
2102 }
2103 }
2104 else {
2105 sv = POPs;
2106 statgv = Nullgv;
2107 sv_setpv(statname, SvPV(sv, na));
2108 really_filename:
2109#ifdef HAS_OPEN3
2110 i = open(SvPV(sv, na), O_RDONLY, 0);
2111#else
2112 i = open(SvPV(sv, na), 0);
2113#endif
2114 if (i < 0) {
2115 if (dowarn && strchr(SvPV(sv, na), '\n'))
2116 warn(warn_nl, "open");
2117 RETPUSHUNDEF;
2118 }
2119 Fstat(i, &statcache);
2120 len = read(i, tbuf, 512);
2121 (void)close(i);
2122 if (len <= 0) {
2123 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2124 RETPUSHNO; /* special case NFS directories */
2125 RETPUSHYES; /* null file is anything */
2126 }
2127 s = tbuf;
2128 }
2129
2130 /* now scan s to look for textiness */
2131
2132 for (i = 0; i < len; i++, s++) {
2133 if (!*s) { /* null never allowed in text */
2134 odd += len;
2135 break;
2136 }
2137 else if (*s & 128)
2138 odd++;
2139 else if (*s < 32 &&
2140 *s != '\n' && *s != '\r' && *s != '\b' &&
2141 *s != '\t' && *s != '\f' && *s != 27)
2142 odd++;
2143 }
2144
2145 if ((odd * 30 > len) == (op->op_type == OP_FTTEXT)) /* allow 30% odd */
2146 RETPUSHNO;
2147 else
2148 RETPUSHYES;
2149}
2150
2151PP(pp_ftbinary)
2152{
2153 return pp_fttext(ARGS);
2154}
2155
2156/* File calls. */
2157
2158PP(pp_chdir)
2159{
2160 dSP; dTARGET;
2161 char *tmps;
2162 SV **svp;
2163
2164 if (MAXARG < 1)
2165 tmps = Nullch;
2166 else
2167 tmps = POPp;
2168 if (!tmps || !*tmps) {
2169 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2170 if (svp)
2171 tmps = SvPV(*svp, na);
2172 }
2173 if (!tmps || !*tmps) {
2174 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2175 if (svp)
2176 tmps = SvPV(*svp, na);
2177 }
2178 TAINT_PROPER("chdir");
2179 PUSHi( chdir(tmps) >= 0 );
748a9306
LW		 2180#ifdef VMS
2181 /* Clear the DEFAULT element of ENV so we'll get the new value
2182 * in the future. */
2183 hv_delete(GvHVn(envgv),"DEFAULT",7);
2184#endif
a0d0e21e
LW		 2185 RETURN;
2186}
2187
2188PP(pp_chown)
2189{
2190 dSP; dMARK; dTARGET;
2191 I32 value;
2192#ifdef HAS_CHOWN
2193 value = (I32)apply(op->op_type, MARK, SP);
2194 SP = MARK;
2195 PUSHi(value);
2196 RETURN;
2197#else
2198 DIE(no_func, "Unsupported function chown");
2199#endif
2200}
2201
2202PP(pp_chroot)
2203{
2204 dSP; dTARGET;
2205 char *tmps;
2206#ifdef HAS_CHROOT
2207 tmps = POPp;
2208 TAINT_PROPER("chroot");
2209 PUSHi( chroot(tmps) >= 0 );
2210 RETURN;
2211#else
2212 DIE(no_func, "chroot");
2213#endif
2214}
2215
2216PP(pp_unlink)
2217{
2218 dSP; dMARK; dTARGET;
2219 I32 value;
2220 value = (I32)apply(op->op_type, MARK, SP);
2221 SP = MARK;
2222 PUSHi(value);
2223 RETURN;
2224}
2225
2226PP(pp_chmod)
2227{
2228 dSP; dMARK; dTARGET;
2229 I32 value;
2230 value = (I32)apply(op->op_type, MARK, SP);
2231 SP = MARK;
2232 PUSHi(value);
2233 RETURN;
2234}
2235
2236PP(pp_utime)
2237{
2238 dSP; dMARK; dTARGET;
2239 I32 value;
2240 value = (I32)apply(op->op_type, MARK, SP);
2241 SP = MARK;
2242 PUSHi(value);
2243 RETURN;
2244}
2245
2246PP(pp_rename)
2247{
2248 dSP; dTARGET;
2249 int anum;
2250
2251 char *tmps2 = POPp;
2252 char *tmps = SvPV(TOPs, na);
2253 TAINT_PROPER("rename");
2254#ifdef HAS_RENAME
2255 anum = rename(tmps, tmps2);
2256#else
2257 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2258 anum = 1;
2259 else {
2260 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2261 (void)UNLINK(tmps2);
2262 if (!(anum = link(tmps, tmps2)))
2263 anum = UNLINK(tmps);
2264 }
2265#endif
2266 SETi( anum >= 0 );
2267 RETURN;
2268}
2269
2270PP(pp_link)
2271{
2272 dSP; dTARGET;
2273#ifdef HAS_LINK
2274 char *tmps2 = POPp;
2275 char *tmps = SvPV(TOPs, na);
2276 TAINT_PROPER("link");
2277 SETi( link(tmps, tmps2) >= 0 );
2278#else
2279 DIE(no_func, "Unsupported function link");
2280#endif
2281 RETURN;
2282}
2283
2284PP(pp_symlink)
2285{
2286 dSP; dTARGET;
2287#ifdef HAS_SYMLINK
2288 char *tmps2 = POPp;
2289 char *tmps = SvPV(TOPs, na);
2290 TAINT_PROPER("symlink");
2291 SETi( symlink(tmps, tmps2) >= 0 );
2292 RETURN;
2293#else
2294 DIE(no_func, "symlink");
2295#endif
2296}
2297
2298PP(pp_readlink)
2299{
2300 dSP; dTARGET;
2301#ifdef HAS_SYMLINK
2302 char *tmps;
2303 int len;
2304 tmps = POPp;
2305 len = readlink(tmps, buf, sizeof buf);
2306 EXTEND(SP, 1);
2307 if (len < 0)
2308 RETPUSHUNDEF;
2309 PUSHp(buf, len);
2310 RETURN;
2311#else
2312 EXTEND(SP, 1);
2313 RETSETUNDEF; /* just pretend it's a normal file */
2314#endif
2315}
2316
2317#if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2318static int
2319dooneliner(cmd, filename)
2320char *cmd;
2321char *filename;
2322{
2323 char mybuf[8192];
5d94fbed
AD		 2324 char *s,
2325 *save_filename = filename;
a0d0e21e
LW		 2326 int anum = 1;
2327 FILE *myfp;
2328
2329 strcpy(mybuf, cmd);
2330 strcat(mybuf, " ");
2331 for (s = mybuf+strlen(mybuf); *filename; ) {
2332 *s++ = '\\';
2333 *s++ = *filename++;
2334 }
2335 strcpy(s, " 2>&1");
2336 myfp = my_popen(mybuf, "r");
2337 if (myfp) {
2338 *mybuf = '\0';
2339 s = fgets(mybuf, sizeof mybuf, myfp);
2340 (void)my_pclose(myfp);
2341 if (s != Nullch) {
2342 for (errno = 1; errno < sys_nerr; errno++) {
2343#ifdef HAS_SYS_ERRLIST
2344 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2345 return 0;
2346#else
2347 char *errmsg; /* especially if it isn't there */
2348
2349 if (instr(mybuf,
2350 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2351 return 0;
2352#endif
2353 }
748a9306 2354 SETERRNO(0,0);
a0d0e21e
LW		 2355#ifndef EACCES
2356#define EACCES EPERM
2357#endif
2358 if (instr(mybuf, "cannot make"))
748a9306 2359 SETERRNO(EEXIST,RMS$_FEX);
a0d0e21e 2360 else if (instr(mybuf, "existing file"))
748a9306 2361 SETERRNO(EEXIST,RMS$_FEX);
a0d0e21e 2362 else if (instr(mybuf, "ile exists"))
748a9306 2363 SETERRNO(EEXIST,RMS$_FEX);
a0d0e21e 2364 else if (instr(mybuf, "non-exist"))
748a9306 2365 SETERRNO(ENOENT,RMS$_FNF);
a0d0e21e 2366 else if (instr(mybuf, "does not exist"))
748a9306 2367 SETERRNO(ENOENT,RMS$_FNF);
a0d0e21e 2368 else if (instr(mybuf, "not empty"))
748a9306 2369 SETERRNO(EBUSY,SS$_DEVOFFLINE);
a0d0e21e 2370 else if (instr(mybuf, "cannot access"))
748a9306 2371 SETERRNO(EACCES,RMS$_PRV);
a0d0e21e 2372 else
748a9306 2373 SETERRNO(EPERM,RMS$_PRV);
a0d0e21e
LW		 2374 return 0;
2375 }
2376 else { /* some mkdirs return no failure indication */
5d94fbed 2377 anum = (Stat(save_filename, &statbuf) >= 0);
a0d0e21e
LW		 2378 if (op->op_type == OP_RMDIR)
2379 anum = !anum;
2380 if (anum)
748a9306 2381 SETERRNO(0,0);
a0d0e21e 2382 else
748a9306 2383 SETERRNO(EACCES,RMS$_PRV); /* a guess */
a0d0e21e
LW		 2384 }
2385 return anum;
2386 }
2387 else
2388 return 0;
2389}
2390#endif
2391
2392PP(pp_mkdir)
2393{
2394 dSP; dTARGET;
2395 int mode = POPi;
2396#ifndef HAS_MKDIR
2397 int oldumask;
2398#endif
2399 char *tmps = SvPV(TOPs, na);
2400
2401 TAINT_PROPER("mkdir");
2402#ifdef HAS_MKDIR
2403 SETi( mkdir(tmps, mode) >= 0 );
2404#else
2405 SETi( dooneliner("mkdir", tmps) );
2406 oldumask = umask(0);
2407 umask(oldumask);
2408 chmod(tmps, (mode & ~oldumask) & 0777);
2409#endif
2410 RETURN;
2411}
2412
2413PP(pp_rmdir)
2414{
2415 dSP; dTARGET;
2416 char *tmps;
2417
2418 tmps = POPp;
2419 TAINT_PROPER("rmdir");
2420#ifdef HAS_RMDIR
2421 XPUSHi( rmdir(tmps) >= 0 );
2422#else
2423 XPUSHi( dooneliner("rmdir", tmps) );
2424#endif
2425 RETURN;
2426}
2427
2428/* Directory calls. */
2429
2430PP(pp_open_dir)
2431{
2432 dSP;
2433#if defined(Direntry_t) && defined(HAS_READDIR)
2434 char *dirname = POPp;
2435 GV *gv = (GV*)POPs;
2436 register IO *io = GvIOn(gv);
2437
2438 if (!io)
2439 goto nope;
2440
2441 if (IoDIRP(io))
2442 closedir(IoDIRP(io));
2443 if (!(IoDIRP(io) = opendir(dirname)))
2444 goto nope;
2445
2446 RETPUSHYES;
2447nope:
2448 if (!errno)
748a9306 2449 SETERRNO(EBADF,RMS$_DIR);
a0d0e21e
LW		 2450 RETPUSHUNDEF;
2451#else
2452 DIE(no_dir_func, "opendir");
2453#endif
2454}
2455
2456PP(pp_readdir)
2457{
2458 dSP;
2459#if defined(Direntry_t) && defined(HAS_READDIR)
2460#ifndef I_DIRENT
2461 Direntry_t *readdir _((DIR *));
2462#endif
2463 register Direntry_t *dp;
2464 GV *gv = (GV*)POPs;
2465 register IO *io = GvIOn(gv);
2466
2467 if (!io || !IoDIRP(io))
2468 goto nope;
2469
2470 if (GIMME == G_ARRAY) {
2471 /*SUPPRESS 560*/
2472 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2473#ifdef DIRNAMLEN
2474 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2475#else
2476 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2477#endif
2478 }
2479 }
2480 else {
2481 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2482 goto nope;
2483#ifdef DIRNAMLEN
2484 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2485#else
2486 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2487#endif
2488 }
2489 RETURN;
2490
2491nope:
2492 if (!errno)
748a9306 2493 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW		 2494 if (GIMME == G_ARRAY)
2495 RETURN;
2496 else
2497 RETPUSHUNDEF;
2498#else
2499 DIE(no_dir_func, "readdir");
2500#endif
2501}
2502
2503PP(pp_telldir)
2504{
2505 dSP; dTARGET;
2506#if defined(HAS_TELLDIR) || defined(telldir)
2507#if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2508 long telldir _((DIR *));
2509#endif
2510 GV *gv = (GV*)POPs;
2511 register IO *io = GvIOn(gv);
2512
2513 if (!io || !IoDIRP(io))
2514 goto nope;
2515
2516 PUSHi( telldir(IoDIRP(io)) );
2517 RETURN;
2518nope:
2519 if (!errno)
748a9306 2520 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW		 2521 RETPUSHUNDEF;
2522#else
2523 DIE(no_dir_func, "telldir");
2524#endif
2525}
2526
2527PP(pp_seekdir)
2528{
2529 dSP;
2530#if defined(HAS_SEEKDIR) || defined(seekdir)
2531 long along = POPl;
2532 GV *gv = (GV*)POPs;
2533 register IO *io = GvIOn(gv);
2534
2535 if (!io || !IoDIRP(io))
2536 goto nope;
2537
2538 (void)seekdir(IoDIRP(io), along);
2539
2540 RETPUSHYES;
2541nope:
2542 if (!errno)
748a9306 2543 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW		 2544 RETPUSHUNDEF;
2545#else
2546 DIE(no_dir_func, "seekdir");
2547#endif
2548}
2549
2550PP(pp_rewinddir)
2551{
2552 dSP;
2553#if defined(HAS_REWINDDIR) || defined(rewinddir)
2554 GV *gv = (GV*)POPs;
2555 register IO *io = GvIOn(gv);
2556
2557 if (!io || !IoDIRP(io))
2558 goto nope;
2559
2560 (void)rewinddir(IoDIRP(io));
2561 RETPUSHYES;
2562nope:
2563 if (!errno)
748a9306 2564 SETERRNO(EBADF,RMS$_ISI);
a0d0e21e
LW		 2565 RETPUSHUNDEF;
2566#else
2567 DIE(no_dir_func, "rewinddir");
2568#endif
2569}
2570
2571PP(pp_closedir)
2572{
2573 dSP;
2574#if defined(Direntry_t) && defined(HAS_READDIR)
2575 GV *gv = (GV*)POPs;
2576 register IO *io = GvIOn(gv);
2577
2578 if (!io || !IoDIRP(io))
2579 goto nope;
2580
2581#ifdef VOID_CLOSEDIR
2582 closedir(IoDIRP(io));
2583#else
748a9306
LW		 2584 if (closedir(IoDIRP(io)) < 0) {
2585 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
a0d0e21e 2586 goto nope;
748a9306 2587 }
a0d0e21e
LW		 2588#endif
2589 IoDIRP(io) = 0;
2590
2591 RETPUSHYES;
2592nope:
2593 if (!errno)
748a9306 2594 SETERRNO(EBADF,RMS$_IFI);
a0d0e21e
LW		 2595 RETPUSHUNDEF;
2596#else
2597 DIE(no_dir_func, "closedir");
2598#endif
2599}
2600
2601/* Process control. */
2602
2603PP(pp_fork)
2604{
2605 dSP; dTARGET;
2606 int childpid;
2607 GV *tmpgv;
2608
2609 EXTEND(SP, 1);
2610#ifdef HAS_FORK
2611 childpid = fork();
2612 if (childpid < 0)
2613 RETSETUNDEF;
2614 if (!childpid) {
2615 /*SUPPRESS 560*/
2616 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2617 sv_setiv(GvSV(tmpgv), (I32)getpid());
2618 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2619 }
2620 PUSHi(childpid);
2621 RETURN;
2622#else
2623 DIE(no_func, "Unsupported function fork");
2624#endif
2625}
2626
2627PP(pp_wait)
2628{
2629 dSP; dTARGET;
2630 int childpid;
2631 int argflags;
2632 I32 value;
2633
2634 EXTEND(SP, 1);
2635#ifdef HAS_WAIT
2636 childpid = wait(&argflags);
2637 if (childpid > 0)
2638 pidgone(childpid, argflags);
2639 value = (I32)childpid;
748a9306 2640 statusvalue = FIXSTATUS(argflags);
a0d0e21e
LW		 2641 PUSHi(value);
2642 RETURN;
2643#else
2644 DIE(no_func, "Unsupported function wait");
2645#endif
2646}
2647
2648PP(pp_waitpid)
2649{
2650 dSP; dTARGET;
2651 int childpid;
2652 int optype;
2653 int argflags;
2654 I32 value;
2655
2656#ifdef HAS_WAIT
2657 optype = POPi;
2658 childpid = TOPi;
2659 childpid = wait4pid(childpid, &argflags, optype);
2660 value = (I32)childpid;
748a9306 2661 statusvalue = FIXSTATUS(argflags);
a0d0e21e
LW		 2662 SETi(value);
2663 RETURN;
2664#else
2665 DIE(no_func, "Unsupported function wait");
2666#endif
2667}
2668
2669PP(pp_system)
2670{
2671 dSP; dMARK; dORIGMARK; dTARGET;
2672 I32 value;
2673 int childpid;
2674 int result;
2675 int status;
ecfc5424
AD		 2676 Signal_t (*ihand)(); /* place to save signal during system() */
2677 Signal_t (*qhand)(); /* place to save signal during system() */
a0d0e21e
LW		 2678
2679#if defined(HAS_FORK) && !defined(VMS)
2680 if (SP - MARK == 1) {
2681 if (tainting) {
2682 char *junk = SvPV(TOPs, na);
2683 TAINT_ENV();
2684 TAINT_PROPER("system");
2685 }
2686 }
2687 while ((childpid = vfork()) == -1) {
2688 if (errno != EAGAIN) {
2689 value = -1;
2690 SP = ORIGMARK;
2691 PUSHi(value);
2692 RETURN;
2693 }
2694 sleep(5);
2695 }
2696 if (childpid > 0) {
2697 ihand = signal(SIGINT, SIG_IGN);
2698 qhand = signal(SIGQUIT, SIG_IGN);
748a9306
LW		 2699 do {
2700 result = wait4pid(childpid, &status, 0);
2701 } while (result == -1 && errno == EINTR);
a0d0e21e
LW		 2702 (void)signal(SIGINT, ihand);
2703 (void)signal(SIGQUIT, qhand);
748a9306 2704 statusvalue = FIXSTATUS(status);
a0d0e21e
LW		 2705 if (result < 0)
2706 value = -1;
2707 else {
2708 value = (I32)((unsigned int)status & 0xffff);
2709 }
2710 do_execfree(); /* free any memory child malloced on vfork */
2711 SP = ORIGMARK;
2712 PUSHi(value);
2713 RETURN;
2714 }
2715 if (op->op_flags & OPf_STACKED) {
2716 SV *really = *++MARK;
2717 value = (I32)do_aexec(really, MARK, SP);
2718 }
2719 else if (SP - MARK != 1)
2720 value = (I32)do_aexec(Nullsv, MARK, SP);
2721 else {
2722 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2723 }
2724 _exit(-1);
2725#else /* ! FORK or VMS */
2726 if (op->op_flags & OPf_STACKED) {
2727 SV *really = *++MARK;
2728 value = (I32)do_aspawn(really, MARK, SP);
2729 }
2730 else if (SP - MARK != 1)
2731 value = (I32)do_aspawn(Nullsv, MARK, SP);
2732 else {
2733 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2734 }
2735 do_execfree();
2736 SP = ORIGMARK;
2737 PUSHi(value);
2738#endif /* !FORK or VMS */
2739 RETURN;
2740}
2741
2742PP(pp_exec)
2743{
2744 dSP; dMARK; dORIGMARK; dTARGET;
2745 I32 value;
2746
2747 if (op->op_flags & OPf_STACKED) {
2748 SV *really = *++MARK;
2749 value = (I32)do_aexec(really, MARK, SP);
2750 }
2751 else if (SP - MARK != 1)
2752#ifdef VMS
2753 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2754#else
2755 value = (I32)do_aexec(Nullsv, MARK, SP);
2756#endif
2757 else {
2758 if (tainting) {
2759 char *junk = SvPV(*SP, na);
2760 TAINT_ENV();
2761 TAINT_PROPER("exec");
2762 }
2763#ifdef VMS
2764 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2765#else
2766 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2767#endif
2768 }
2769 SP = ORIGMARK;
2770 PUSHi(value);
2771 RETURN;
2772}
2773
2774PP(pp_kill)
2775{
2776 dSP; dMARK; dTARGET;
2777 I32 value;
2778#ifdef HAS_KILL
2779 value = (I32)apply(op->op_type, MARK, SP);
2780 SP = MARK;
2781 PUSHi(value);
2782 RETURN;
2783#else
2784 DIE(no_func, "Unsupported function kill");
2785#endif
2786}
2787
2788PP(pp_getppid)
2789{
2790#ifdef HAS_GETPPID
2791 dSP; dTARGET;
2792 XPUSHi( getppid() );
2793 RETURN;
2794#else
2795 DIE(no_func, "getppid");
2796#endif
2797}
2798
2799PP(pp_getpgrp)
2800{
2801#ifdef HAS_GETPGRP
2802 dSP; dTARGET;
2803 int pid;
2804 I32 value;
2805
2806 if (MAXARG < 1)
2807 pid = 0;
2808 else
2809 pid = SvIVx(POPs);
2810#ifdef USE_BSDPGRP
2811 value = (I32)getpgrp(pid);
2812#else
2813 if (pid != 0)
2814 DIE("POSIX getpgrp can't take an argument");
2815 value = (I32)getpgrp();
2816#endif
2817 XPUSHi(value);
2818 RETURN;
2819#else
2820 DIE(no_func, "getpgrp()");
2821#endif
2822}
2823
2824PP(pp_setpgrp)
2825{
2826#ifdef HAS_SETPGRP
2827 dSP; dTARGET;
2828 int pgrp;
2829 int pid;
2830 if (MAXARG < 2) {
2831 pgrp = 0;
2832 pid = 0;
2833 }
2834 else {
2835 pgrp = POPi;
2836 pid = TOPi;
2837 }
2838
2839 TAINT_PROPER("setpgrp");
2840#ifdef USE_BSDPGRP
2841 SETi( setpgrp(pid, pgrp) >= 0 );
2842#else
2843 if ((pgrp != 0) || (pid != 0)) {
2844 DIE("POSIX setpgrp can't take an argument");
2845 }
2846 SETi( setpgrp() >= 0 );
2847#endif /* USE_BSDPGRP */
2848 RETURN;
2849#else
2850 DIE(no_func, "setpgrp()");
2851#endif
2852}
2853
2854PP(pp_getpriority)
2855{
2856 dSP; dTARGET;
2857 int which;
2858 int who;
2859#ifdef HAS_GETPRIORITY
2860 who = POPi;
2861 which = TOPi;
2862 SETi( getpriority(which, who) );
2863 RETURN;
2864#else
2865 DIE(no_func, "getpriority()");
2866#endif
2867}
2868
2869PP(pp_setpriority)
2870{
2871 dSP; dTARGET;
2872 int which;
2873 int who;
2874 int niceval;
2875#ifdef HAS_SETPRIORITY
2876 niceval = POPi;
2877 who = POPi;
2878 which = TOPi;
2879 TAINT_PROPER("setpriority");
2880 SETi( setpriority(which, who, niceval) >= 0 );
2881 RETURN;
2882#else
2883 DIE(no_func, "setpriority()");
2884#endif
2885}
2886
2887/* Time calls. */
2888
2889PP(pp_time)
2890{
2891 dSP; dTARGET;
2892 XPUSHi( time(Null(Time_t*)) );
2893 RETURN;
2894}
2895
2896#ifndef HZ
2897#define HZ 60
2898#endif
2899
2900PP(pp_tms)
2901{
2902 dSP;
2903
2904#if defined(MSDOS) || !defined(HAS_TIMES)
2905 DIE("times not implemented");
2906#else
2907 EXTEND(SP, 4);
2908
2909#ifndef VMS
2910 (void)times(&timesbuf);
2911#else
2912 (void)times((tbuffer_t *)&timesbuf); /* time.h uses different name for */
2913 /* struct tms, though same data */
2914 /* is returned. */
2915#endif
2916
2917 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
2918 if (GIMME == G_ARRAY) {
2919 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
2920 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
2921 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
2922 }
2923 RETURN;
2924#endif /* MSDOS */
2925}
2926
2927PP(pp_localtime)
2928{
2929 return pp_gmtime(ARGS);
2930}
2931
2932PP(pp_gmtime)
2933{
2934 dSP;
2935 Time_t when;
2936 struct tm *tmbuf;
2937 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
2938 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
2939 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
2940
2941 if (MAXARG < 1)
2942 (void)time(&when);
2943 else
2944 when = (Time_t)SvIVx(POPs);
2945
2946 if (op->op_type == OP_LOCALTIME)
2947 tmbuf = localtime(&when);
2948 else
2949 tmbuf = gmtime(&when);
2950
2951 EXTEND(SP, 9);
2952 if (GIMME != G_ARRAY) {
2953 dTARGET;
2954 char mybuf[30];
2955 if (!tmbuf)
2956 RETPUSHUNDEF;
2957 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
2958 dayname[tmbuf->tm_wday],
2959 monname[tmbuf->tm_mon],
2960 tmbuf->tm_mday,
2961 tmbuf->tm_hour,
2962 tmbuf->tm_min,
2963 tmbuf->tm_sec,
2964 tmbuf->tm_year + 1900);
2965 PUSHp(mybuf, strlen(mybuf));
2966 }
2967 else if (tmbuf) {
2968 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
2969 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
2970 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
2971 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
2972 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
2973 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
2974 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
2975 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
2976 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
2977 }
2978 RETURN;
2979}
2980
2981PP(pp_alarm)
2982{
2983 dSP; dTARGET;
2984 int anum;
2985#ifdef HAS_ALARM
2986 anum = POPi;
2987 anum = alarm((unsigned int)anum);
2988 EXTEND(SP, 1);
2989 if (anum < 0)
2990 RETPUSHUNDEF;
2991 PUSHi((I32)anum);
2992 RETURN;
2993#else
2994 DIE(no_func, "Unsupported function alarm");
a0d0e21e
LW		 2995#endif
2996}
2997
2998PP(pp_sleep)
2999{
3000 dSP; dTARGET;
3001 I32 duration;
3002 Time_t lasttime;
3003 Time_t when;
3004
3005 (void)time(&lasttime);
3006 if (MAXARG < 1)
3007 pause();
3008 else {
3009 duration = POPi;
3010 sleep((unsigned int)duration);
3011 }
3012 (void)time(&when);
3013 XPUSHi(when - lasttime);
3014 RETURN;
3015}
3016
3017/* Shared memory. */
3018
3019PP(pp_shmget)
3020{
3021 return pp_semget(ARGS);
3022}
3023
3024PP(pp_shmctl)
3025{
3026 return pp_semctl(ARGS);
3027}
3028
3029PP(pp_shmread)
3030{
3031 return pp_shmwrite(ARGS);
3032}
3033
3034PP(pp_shmwrite)
3035{
3036#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3037 dSP; dMARK; dTARGET;
3038 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3039 SP = MARK;
3040 PUSHi(value);
3041 RETURN;
3042#else
748a9306 3043 return pp_semget(ARGS);
a0d0e21e
LW		 3044#endif
3045}
3046
3047/* Message passing. */
3048
3049PP(pp_msgget)
3050{
3051 return pp_semget(ARGS);
3052}
3053
3054PP(pp_msgctl)
3055{
3056 return pp_semctl(ARGS);
3057}
3058
3059PP(pp_msgsnd)
3060{
3061#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3062 dSP; dMARK; dTARGET;
3063 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3064 SP = MARK;
3065 PUSHi(value);
3066 RETURN;
3067#else
748a9306 3068 return pp_semget(ARGS);
a0d0e21e
LW		 3069#endif
3070}
3071
3072PP(pp_msgrcv)
3073{
3074#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3075 dSP; dMARK; dTARGET;
3076 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3077 SP = MARK;
3078 PUSHi(value);
3079 RETURN;
3080#else
748a9306 3081 return pp_semget(ARGS);
a0d0e21e
LW		 3082#endif
3083}
3084
3085/* Semaphores. */
3086
3087PP(pp_semget)
3088{
3089#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3090 dSP; dMARK; dTARGET;
3091 int anum = do_ipcget(op->op_type, MARK, SP);
3092 SP = MARK;
3093 if (anum == -1)
3094 RETPUSHUNDEF;
3095 PUSHi(anum);
3096 RETURN;
3097#else
3098 DIE("System V IPC is not implemented on this machine");
3099#endif
3100}
3101
3102PP(pp_semctl)
3103{
3104#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3105 dSP; dMARK; dTARGET;
3106 int anum = do_ipcctl(op->op_type, MARK, SP);
3107 SP = MARK;
3108 if (anum == -1)
3109 RETSETUNDEF;
3110 if (anum != 0) {
3111 PUSHi(anum);
3112 }
3113 else {
3114 PUSHp("0 but true",10);
3115 }
3116 RETURN;
3117#else
748a9306 3118 return pp_semget(ARGS);
a0d0e21e
LW		 3119#endif
3120}
3121
3122PP(pp_semop)
3123{
3124#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3125 dSP; dMARK; dTARGET;
3126 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3127 SP = MARK;
3128 PUSHi(value);
3129 RETURN;
3130#else
748a9306 3131 return pp_semget(ARGS);
a0d0e21e
LW		 3132#endif
3133}
3134
3135/* Get system info. */
3136
3137PP(pp_ghbyname)
3138{
3139#ifdef HAS_SOCKET
3140 return pp_ghostent(ARGS);
3141#else
3142 DIE(no_sock_func, "gethostbyname");
3143#endif
3144}
3145
3146PP(pp_ghbyaddr)
3147{
3148#ifdef HAS_SOCKET
3149 return pp_ghostent(ARGS);
3150#else
3151 DIE(no_sock_func, "gethostbyaddr");
3152#endif
3153}
3154
3155PP(pp_ghostent)
3156{
3157 dSP;
3158#ifdef HAS_SOCKET
3159 I32 which = op->op_type;
3160 register char **elem;
3161 register SV *sv;
3162 struct hostent *gethostbyname();
3163 struct hostent *gethostbyaddr();
3164#ifdef HAS_GETHOSTENT
3165 struct hostent *gethostent();
3166#endif
3167 struct hostent *hent;
3168 unsigned long len;
3169
3170 EXTEND(SP, 10);
3171 if (which == OP_GHBYNAME) {
3172 hent = gethostbyname(POPp);
3173 }
3174 else if (which == OP_GHBYADDR) {
3175 int addrtype = POPi;
748a9306 3176 SV *addrsv = POPs;
a0d0e21e 3177 STRLEN addrlen;
748a9306 3178 char *addr = SvPV(addrsv, addrlen);
a0d0e21e
LW		 3179
3180 hent = gethostbyaddr(addr, addrlen, addrtype);
3181 }
3182 else
3183#ifdef HAS_GETHOSTENT
3184 hent = gethostent();
3185#else
3186 DIE("gethostent not implemented");
3187#endif
3188
3189#ifdef HOST_NOT_FOUND
3190 if (!hent)
748a9306 3191 statusvalue = FIXSTATUS(h_errno);
a0d0e21e
LW		 3192#endif
3193
3194 if (GIMME != G_ARRAY) {
3195 PUSHs(sv = sv_newmortal());
3196 if (hent) {
3197 if (which == OP_GHBYNAME) {
3198 sv_setpvn(sv, hent->h_addr, hent->h_length);
3199 }
3200 else
3201 sv_setpv(sv, (char*)hent->h_name);
3202 }
3203 RETURN;
3204 }
3205
3206 if (hent) {
3207 PUSHs(sv = sv_mortalcopy(&sv_no));
3208 sv_setpv(sv, (char*)hent->h_name);
3209 PUSHs(sv = sv_mortalcopy(&sv_no));
3210 for (elem = hent->h_aliases; elem && *elem; elem++) {
3211 sv_catpv(sv, *elem);
3212 if (elem[1])
3213 sv_catpvn(sv, " ", 1);
3214 }
3215 PUSHs(sv = sv_mortalcopy(&sv_no));
3216 sv_setiv(sv, (I32)hent->h_addrtype);
3217 PUSHs(sv = sv_mortalcopy(&sv_no));
3218 len = hent->h_length;
3219 sv_setiv(sv, (I32)len);
3220#ifdef h_addr
3221 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3222 XPUSHs(sv = sv_mortalcopy(&sv_no));
3223 sv_setpvn(sv, *elem, len);
3224 }
3225#else
3226 PUSHs(sv = sv_mortalcopy(&sv_no));
3227 sv_setpvn(sv, hent->h_addr, len);
3228#endif /* h_addr */
3229 }
3230 RETURN;
3231#else
3232 DIE(no_sock_func, "gethostent");
3233#endif
3234}
3235
3236PP(pp_gnbyname)
3237{
3238#ifdef HAS_SOCKET
3239 return pp_gnetent(ARGS);
3240#else
3241 DIE(no_sock_func, "getnetbyname");
3242#endif
3243}
3244
3245PP(pp_gnbyaddr)
3246{
3247#ifdef HAS_SOCKET
3248 return pp_gnetent(ARGS);
3249#else
3250 DIE(no_sock_func, "getnetbyaddr");
3251#endif
3252}
3253
3254PP(pp_gnetent)
3255{
3256 dSP;
3257#ifdef HAS_SOCKET
3258 I32 which = op->op_type;
3259 register char **elem;
3260 register SV *sv;
3261 struct netent *getnetbyname();
3262 struct netent *getnetbyaddr();
3263 struct netent *getnetent();
3264 struct netent *nent;
3265
3266 if (which == OP_GNBYNAME)
3267 nent = getnetbyname(POPp);
3268 else if (which == OP_GNBYADDR) {
3269 int addrtype = POPi;
3270 unsigned long addr = U_L(POPn);
3271 nent = getnetbyaddr((long)addr, addrtype);
3272 }
3273 else
3274 nent = getnetent();
3275
3276 EXTEND(SP, 4);
3277 if (GIMME != G_ARRAY) {
3278 PUSHs(sv = sv_newmortal());
3279 if (nent) {
3280 if (which == OP_GNBYNAME)
3281 sv_setiv(sv, (I32)nent->n_net);
3282 else
3283 sv_setpv(sv, nent->n_name);
3284 }
3285 RETURN;
3286 }
3287
3288 if (nent) {
3289 PUSHs(sv = sv_mortalcopy(&sv_no));
3290 sv_setpv(sv, nent->n_name);
3291 PUSHs(sv = sv_mortalcopy(&sv_no));
3292 for (elem = nent->n_aliases; *elem; elem++) {
3293 sv_catpv(sv, *elem);
3294 if (elem[1])
3295 sv_catpvn(sv, " ", 1);
3296 }
3297 PUSHs(sv = sv_mortalcopy(&sv_no));
3298 sv_setiv(sv, (I32)nent->n_addrtype);
3299 PUSHs(sv = sv_mortalcopy(&sv_no));
3300 sv_setiv(sv, (I32)nent->n_net);
3301 }
3302
3303 RETURN;
3304#else
3305 DIE(no_sock_func, "getnetent");
3306#endif
3307}
3308
3309PP(pp_gpbyname)
3310{
3311#ifdef HAS_SOCKET
3312 return pp_gprotoent(ARGS);
3313#else
3314 DIE(no_sock_func, "getprotobyname");
3315#endif
3316}
3317
3318PP(pp_gpbynumber)
3319{
3320#ifdef HAS_SOCKET
3321 return pp_gprotoent(ARGS);
3322#else
3323 DIE(no_sock_func, "getprotobynumber");
3324#endif
3325}
3326
3327PP(pp_gprotoent)
3328{
3329 dSP;
3330#ifdef HAS_SOCKET
3331 I32 which = op->op_type;
3332 register char **elem;
3333 register SV *sv;
3334 struct protoent *getprotobyname();
3335 struct protoent *getprotobynumber();
3336 struct protoent *getprotoent();
3337 struct protoent *pent;
3338
3339 if (which == OP_GPBYNAME)
3340 pent = getprotobyname(POPp);
3341 else if (which == OP_GPBYNUMBER)
3342 pent = getprotobynumber(POPi);
3343 else
3344 pent = getprotoent();
3345
3346 EXTEND(SP, 3);
3347 if (GIMME != G_ARRAY) {
3348 PUSHs(sv = sv_newmortal());
3349 if (pent) {
3350 if (which == OP_GPBYNAME)
3351 sv_setiv(sv, (I32)pent->p_proto);
3352 else
3353 sv_setpv(sv, pent->p_name);
3354 }
3355 RETURN;
3356 }
3357
3358 if (pent) {
3359 PUSHs(sv = sv_mortalcopy(&sv_no));
3360 sv_setpv(sv, pent->p_name);
3361 PUSHs(sv = sv_mortalcopy(&sv_no));
3362 for (elem = pent->p_aliases; *elem; elem++) {
3363 sv_catpv(sv, *elem);
3364 if (elem[1])
3365 sv_catpvn(sv, " ", 1);
3366 }
3367 PUSHs(sv = sv_mortalcopy(&sv_no));
3368 sv_setiv(sv, (I32)pent->p_proto);
3369 }
3370
3371 RETURN;
3372#else
3373 DIE(no_sock_func, "getprotoent");
3374#endif
3375}
3376
3377PP(pp_gsbyname)
3378{
3379#ifdef HAS_SOCKET
3380 return pp_gservent(ARGS);
3381#else
3382 DIE(no_sock_func, "getservbyname");
3383#endif
3384}
3385
3386PP(pp_gsbyport)
3387{
3388#ifdef HAS_SOCKET
3389 return pp_gservent(ARGS);
3390#else
3391 DIE(no_sock_func, "getservbyport");
3392#endif
3393}
3394
3395PP(pp_gservent)
3396{
3397 dSP;
3398#ifdef HAS_SOCKET
3399 I32 which = op->op_type;
3400 register char **elem;
3401 register SV *sv;
3402 struct servent *getservbyname();
3403 struct servent *getservbynumber();
3404 struct servent *getservent();
3405 struct servent *sent;
3406
3407 if (which == OP_GSBYNAME) {
3408 char *proto = POPp;
3409 char *name = POPp;
3410
3411 if (proto && !*proto)
3412 proto = Nullch;
3413
3414 sent = getservbyname(name, proto);
3415 }
3416 else if (which == OP_GSBYPORT) {
3417 char *proto = POPp;
3418 int port = POPi;
3419
3420 sent = getservbyport(port, proto);
3421 }
3422 else
3423 sent = getservent();
3424
3425 EXTEND(SP, 4);
3426 if (GIMME != G_ARRAY) {
3427 PUSHs(sv = sv_newmortal());
3428 if (sent) {
3429 if (which == OP_GSBYNAME) {
3430#ifdef HAS_NTOHS
3431 sv_setiv(sv, (I32)ntohs(sent->s_port));
3432#else
3433 sv_setiv(sv, (I32)(sent->s_port));
3434#endif
3435 }
3436 else
3437 sv_setpv(sv, sent->s_name);
3438 }
3439 RETURN;
3440 }
3441
3442 if (sent) {
3443 PUSHs(sv = sv_mortalcopy(&sv_no));
3444 sv_setpv(sv, sent->s_name);
3445 PUSHs(sv = sv_mortalcopy(&sv_no));
3446 for (elem = sent->s_aliases; *elem; elem++) {
3447 sv_catpv(sv, *elem);
3448 if (elem[1])
3449 sv_catpvn(sv, " ", 1);
3450 }
3451 PUSHs(sv = sv_mortalcopy(&sv_no));
3452#ifdef HAS_NTOHS
3453 sv_setiv(sv, (I32)ntohs(sent->s_port));
3454#else
3455 sv_setiv(sv, (I32)(sent->s_port));
3456#endif
3457 PUSHs(sv = sv_mortalcopy(&sv_no));
3458 sv_setpv(sv, sent->s_proto);
3459 }
3460
3461 RETURN;
3462#else
3463 DIE(no_sock_func, "getservent");
3464#endif
3465}
3466
3467PP(pp_shostent)
3468{
3469 dSP;
3470#ifdef HAS_SOCKET
3471 sethostent(TOPi);
3472 RETSETYES;
3473#else
3474 DIE(no_sock_func, "sethostent");
3475#endif
3476}
3477
3478PP(pp_snetent)
3479{
3480 dSP;
3481#ifdef HAS_SOCKET
3482 setnetent(TOPi);
3483 RETSETYES;
3484#else
3485 DIE(no_sock_func, "setnetent");
3486#endif
3487}
3488
3489PP(pp_sprotoent)
3490{
3491 dSP;
3492#ifdef HAS_SOCKET
3493 setprotoent(TOPi);
3494 RETSETYES;
3495#else
3496 DIE(no_sock_func, "setprotoent");
3497#endif
3498}
3499
3500PP(pp_sservent)
3501{
3502 dSP;
3503#ifdef HAS_SOCKET
3504 setservent(TOPi);
3505 RETSETYES;
3506#else
3507 DIE(no_sock_func, "setservent");
3508#endif
3509}
3510
3511PP(pp_ehostent)
3512{
3513 dSP;
3514#ifdef HAS_SOCKET
3515 endhostent();
3516 EXTEND(sp,1);
3517 RETPUSHYES;
3518#else
3519 DIE(no_sock_func, "endhostent");
3520#endif
3521}
3522
3523PP(pp_enetent)
3524{
3525 dSP;
3526#ifdef HAS_SOCKET
3527 endnetent();
3528 EXTEND(sp,1);
3529 RETPUSHYES;
3530#else
3531 DIE(no_sock_func, "endnetent");
3532#endif
3533}
3534
3535PP(pp_eprotoent)
3536{
3537 dSP;
3538#ifdef HAS_SOCKET
3539 endprotoent();
3540 EXTEND(sp,1);
3541 RETPUSHYES;
3542#else
3543 DIE(no_sock_func, "endprotoent");
3544#endif
3545}
3546
3547PP(pp_eservent)
3548{
3549 dSP;
3550#ifdef HAS_SOCKET
3551 endservent();
3552 EXTEND(sp,1);
3553 RETPUSHYES;
3554#else
3555 DIE(no_sock_func, "endservent");
3556#endif
3557}
3558
3559PP(pp_gpwnam)
3560{
3561#ifdef HAS_PASSWD
3562 return pp_gpwent(ARGS);
3563#else
3564 DIE(no_func, "getpwnam");
3565#endif
3566}
3567
3568PP(pp_gpwuid)
3569{
3570#ifdef HAS_PASSWD
3571 return pp_gpwent(ARGS);
3572#else
3573 DIE(no_func, "getpwuid");
3574#endif
3575}
3576
3577PP(pp_gpwent)
3578{
3579 dSP;
3580#ifdef HAS_PASSWD
3581 I32 which = op->op_type;
3582 register SV *sv;
3583 struct passwd *pwent;
3584
3585 if (which == OP_GPWNAM)
3586 pwent = getpwnam(POPp);
3587 else if (which == OP_GPWUID)
3588 pwent = getpwuid(POPi);
3589 else
3590 pwent = (struct passwd *)getpwent();
3591
3592 EXTEND(SP, 10);
3593 if (GIMME != G_ARRAY) {
3594 PUSHs(sv = sv_newmortal());
3595 if (pwent) {
3596 if (which == OP_GPWNAM)
3597 sv_setiv(sv, (I32)pwent->pw_uid);
3598 else
3599 sv_setpv(sv, pwent->pw_name);
3600 }
3601 RETURN;
3602 }
3603
3604 if (pwent) {
3605 PUSHs(sv = sv_mortalcopy(&sv_no));
3606 sv_setpv(sv, pwent->pw_name);
3607 PUSHs(sv = sv_mortalcopy(&sv_no));
3608 sv_setpv(sv, pwent->pw_passwd);
3609 PUSHs(sv = sv_mortalcopy(&sv_no));
3610 sv_setiv(sv, (I32)pwent->pw_uid);
3611 PUSHs(sv = sv_mortalcopy(&sv_no));
3612 sv_setiv(sv, (I32)pwent->pw_gid);
3613 PUSHs(sv = sv_mortalcopy(&sv_no));
3614#ifdef PWCHANGE
3615 sv_setiv(sv, (I32)pwent->pw_change);
3616#else
3617#ifdef PWQUOTA
3618 sv_setiv(sv, (I32)pwent->pw_quota);
3619#else
3620#ifdef PWAGE
3621 sv_setpv(sv, pwent->pw_age);
3622#endif
3623#endif
3624#endif
3625 PUSHs(sv = sv_mortalcopy(&sv_no));
3626#ifdef PWCLASS
3627 sv_setpv(sv, pwent->pw_class);
3628#else
3629#ifdef PWCOMMENT
3630 sv_setpv(sv, pwent->pw_comment);
3631#endif
3632#endif
3633 PUSHs(sv = sv_mortalcopy(&sv_no));
3634 sv_setpv(sv, pwent->pw_gecos);
3635 PUSHs(sv = sv_mortalcopy(&sv_no));
3636 sv_setpv(sv, pwent->pw_dir);
3637 PUSHs(sv = sv_mortalcopy(&sv_no));
3638 sv_setpv(sv, pwent->pw_shell);
3639#ifdef PWEXPIRE
3640 PUSHs(sv = sv_mortalcopy(&sv_no));
3641 sv_setiv(sv, (I32)pwent->pw_expire);
3642#endif
3643 }
3644 RETURN;
3645#else
3646 DIE(no_func, "getpwent");
3647#endif
3648}
3649
3650PP(pp_spwent)
3651{
3652 dSP;
3653#ifdef HAS_PASSWD
3654 setpwent();
3655 RETPUSHYES;
3656#else
3657 DIE(no_func, "setpwent");
3658#endif
3659}
3660
3661PP(pp_epwent)
3662{
3663 dSP;
3664#ifdef HAS_PASSWD
3665 endpwent();
3666 RETPUSHYES;
3667#else
3668 DIE(no_func, "endpwent");
3669#endif
3670}
3671
3672PP(pp_ggrnam)
3673{
3674#ifdef HAS_GROUP
3675 return pp_ggrent(ARGS);
3676#else
3677 DIE(no_func, "getgrnam");
3678#endif
3679}
3680
3681PP(pp_ggrgid)
3682{
3683#ifdef HAS_GROUP
3684 return pp_ggrent(ARGS);
3685#else
3686 DIE(no_func, "getgrgid");
3687#endif
3688}
3689
3690PP(pp_ggrent)
3691{
3692 dSP;
3693#ifdef HAS_GROUP
3694 I32 which = op->op_type;
3695 register char **elem;
3696 register SV *sv;
3697 struct group *grent;
3698
3699 if (which == OP_GGRNAM)
3700 grent = (struct group *)getgrnam(POPp);
3701 else if (which == OP_GGRGID)
3702 grent = (struct group *)getgrgid(POPi);
3703 else
3704 grent = (struct group *)getgrent();
3705
3706 EXTEND(SP, 4);
3707 if (GIMME != G_ARRAY) {
3708 PUSHs(sv = sv_newmortal());
3709 if (grent) {
3710 if (which == OP_GGRNAM)
3711 sv_setiv(sv, (I32)grent->gr_gid);
3712 else
3713 sv_setpv(sv, grent->gr_name);
3714 }
3715 RETURN;
3716 }
3717
3718 if (grent) {
3719 PUSHs(sv = sv_mortalcopy(&sv_no));
3720 sv_setpv(sv, grent->gr_name);
3721 PUSHs(sv = sv_mortalcopy(&sv_no));
3722 sv_setpv(sv, grent->gr_passwd);
3723 PUSHs(sv = sv_mortalcopy(&sv_no));
3724 sv_setiv(sv, (I32)grent->gr_gid);
3725 PUSHs(sv = sv_mortalcopy(&sv_no));
3726 for (elem = grent->gr_mem; *elem; elem++) {
3727 sv_catpv(sv, *elem);
3728 if (elem[1])
3729 sv_catpvn(sv, " ", 1);
3730 }
3731 }
3732
3733 RETURN;
3734#else
3735 DIE(no_func, "getgrent");
3736#endif
3737}
3738
3739PP(pp_sgrent)
3740{
3741 dSP;
3742#ifdef HAS_GROUP
3743 setgrent();
3744 RETPUSHYES;
3745#else
3746 DIE(no_func, "setgrent");
3747#endif
3748}
3749
3750PP(pp_egrent)
3751{
3752 dSP;
3753#ifdef HAS_GROUP
3754 endgrent();
3755 RETPUSHYES;
3756#else
3757 DIE(no_func, "endgrent");
3758#endif
3759}
3760
3761PP(pp_getlogin)
3762{
3763 dSP; dTARGET;
3764#ifdef HAS_GETLOGIN
3765 char *tmps;
3766 EXTEND(SP, 1);
3767 if (!(tmps = getlogin()))
3768 RETPUSHUNDEF;
3769 PUSHp(tmps, strlen(tmps));
3770 RETURN;
3771#else
3772 DIE(no_func, "getlogin");
3773#endif
3774}
3775
3776/* Miscellaneous. */
3777
3778PP(pp_syscall)
3779{
3780#ifdef HAS_SYSCALL
3781 dSP; dMARK; dORIGMARK; dTARGET;
3782 register I32 items = SP - MARK;
3783 unsigned long a[20];
3784 register I32 i = 0;
3785 I32 retval = -1;
748a9306 3786 MAGIC *mg;
a0d0e21e
LW		 3787
3788 if (tainting) {
3789 while (++MARK <= SP) {
748a9306
LW		 3790 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3791 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
a0d0e21e
LW		 3792 tainted = TRUE;
3793 }
3794 MARK = ORIGMARK;
3795 TAINT_PROPER("syscall");
3796 }
3797
3798 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3799 * or where sizeof(long) != sizeof(char*). But such machines will
3800 * not likely have syscall implemented either, so who cares?
3801 */
3802 while (++MARK <= SP) {
3803 if (SvNIOK(*MARK) || !i)
3804 a[i++] = SvIV(*MARK);
748a9306
LW		 3805 else if (*MARK == &sv_undef)
3806 a[i++] = 0;
3807 else
3808 a[i++] = (unsigned long)SvPV_force(*MARK, na);
a0d0e21e
LW		 3809 if (i > 15)
3810 break;
3811 }
3812 switch (items) {
3813 default:
3814 DIE("Too many args to syscall");
3815 case 0:
3816 DIE("Too few args to syscall");
3817 case 1:
3818 retval = syscall(a[0]);
3819 break;
3820 case 2:
3821 retval = syscall(a[0],a[1]);
3822 break;
3823 case 3:
3824 retval = syscall(a[0],a[1],a[2]);
3825 break;
3826 case 4:
3827 retval = syscall(a[0],a[1],a[2],a[3]);
3828 break;
3829 case 5:
3830 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
3831 break;
3832 case 6:
3833 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
3834 break;
3835 case 7:
3836 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
3837 break;
3838 case 8:
3839 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
3840 break;
3841#ifdef atarist
3842 case 9:
3843 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
3844 break;
3845 case 10:
3846 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
3847 break;
3848 case 11:
3849 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3850 a[10]);
3851 break;
3852 case 12:
3853 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3854 a[10],a[11]);
3855 break;
3856 case 13:
3857 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3858 a[10],a[11],a[12]);
3859 break;
3860 case 14:
3861 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
3862 a[10],a[11],a[12],a[13]);
3863 break;
3864#endif /* atarist */
3865 }
3866 SP = ORIGMARK;
3867 PUSHi(retval);
3868 RETURN;
3869#else
3870 DIE(no_func, "syscall");
3871#endif
3872}
3873
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