3 * Copyright (c) 1991-1994, Larry Wall
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.
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.
20 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
26 # include <sys/wait.h>
30 # include <sys/resource.h>
33 /* Put this after #includes because fork and vfork prototypes may
40 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
41 # include <sys/socket.h>
45 # include <net/errno.h>
52 #include <sys/select.h>
64 struct passwd *getpwnam _((char *));
65 struct passwd *getpwuid _((Uid_t));
67 struct passwd *getpwent _((void));
74 struct group *getgrnam _((char *));
75 struct group *getgrgid _((Gid_t));
77 struct group *getgrent _((void));
90 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
91 static int dooneliner _((char *cmd, char *filename));
95 # define my_chsize chsize
106 fp = my_popen(tmps, "r");
108 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
109 if (GIMME == G_SCALAR) {
110 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
120 if (sv_gets(sv, fp, 0) == Nullch) {
124 XPUSHs(sv_2mortal(sv));
125 if (SvLEN(sv) - SvCUR(sv) > 20) {
126 SvLEN_set(sv, SvCUR(sv)+1);
127 Renew(SvPVX(sv), SvLEN(sv), char);
131 statusvalue = FIXSTATUS(my_pclose(fp));
135 if (GIMME == G_SCALAR)
147 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
148 last_in_gv = (GV*)*stack_sp--;
150 SAVESPTR(rs); /* This is not permanent, either. */
151 rs = sv_2mortal(newSVpv("", 1));
158 result = do_readline();
165 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
166 return do_readline();
171 last_in_gv = cGVOP->op_gv;
172 return do_readline();
179 if (SP - MARK != 1) {
181 do_join(TARG, &sv_no, MARK, SP);
182 tmps = SvPV(TARG, na);
186 tmps = SvPV(TOPs, na);
188 if (!tmps || !*tmps) {
189 SV *error = GvSV(errgv);
190 (void)SvUPGRADE(error, SVt_PV);
191 if (SvPOK(error) && SvCUR(error))
192 sv_catpv(error, "\t...caught");
193 tmps = SvPV(error, na);
196 tmps = "Warning: something's wrong";
205 if (SP - MARK != 1) {
207 do_join(TARG, &sv_no, MARK, SP);
208 tmps = SvPV(TARG, na);
212 tmps = SvPV(TOPs, na);
214 if (!tmps || !*tmps) {
215 SV *error = GvSV(errgv);
216 (void)SvUPGRADE(error, SVt_PV);
217 if (SvPOK(error) && SvCUR(error))
218 sv_catpv(error, "\t...propagated");
219 tmps = SvPV(error, na);
238 else if (SvTYPE(TOPs) == SVt_PVGV)
241 DIE(no_usym, "filehandle");
243 tmps = SvPV(sv, len);
244 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
245 IoLINES(GvIOp(gv)) = 0;
246 PUSHi( (I32)forkprocess );
248 else if (forkprocess == 0) /* we are a new child */
265 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
285 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
286 DIE(no_usym, "filehandle");
291 do_close(rgv, FALSE);
293 do_close(wgv, FALSE);
298 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
299 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
300 IoIFP(wstio) = IoOFP(wstio);
304 if (!IoIFP(rstio) || !IoOFP(wstio)) {
305 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
307 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
317 DIE(no_func, "pipe");
330 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
332 PUSHi(PerlIO_fileno(fp));
348 TAINT_PROPER("umask");
351 DIE(no_func, "Unsupported function umask");
369 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
374 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
379 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
385 #if defined(USEMYBINMODE)
386 if (my_binmode(fp,IoTYPE(io)) != NULL)
405 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
406 I32 markoff = mark - stack_base - 1;
410 if (SvTYPE(varsv) == SVt_PVHV)
411 methname = "TIEHASH";
412 else if (SvTYPE(varsv) == SVt_PVAV)
413 methname = "TIEARRAY";
414 else if (SvTYPE(varsv) == SVt_PVGV)
415 methname = "TIEHANDLE";
417 methname = "TIESCALAR";
419 stash = gv_stashsv(mark[1], FALSE);
420 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
421 DIE("Can't locate object method \"%s\" via package \"%s\"",
422 methname, SvPV(mark[1],na));
424 Zero(&myop, 1, BINOP);
425 myop.op_last = (OP *) &myop;
426 myop.op_next = Nullop;
427 myop.op_flags = OPf_KNOW|OPf_STACKED;
432 if (perldb && curstash != debstash)
433 op->op_private |= OPpENTERSUB_DB;
438 if (op = pp_entersub())
443 if (sv_isobject(sv)) {
444 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
445 sv_unmagic(varsv, 'P');
446 sv_magic(varsv, sv, 'P', Nullch, 0);
449 sv_unmagic(varsv, 'q');
450 sv_magic(varsv, sv, 'q', Nullch, 0);
454 SP = stack_base + markoff;
465 if (hints & HINT_STRICT_UNTIE)
469 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
470 mg = mg_find(sv, 'P') ;
472 mg = mg_find(sv, 'q') ;
474 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
475 croak("Can't untie: %d inner references still exist",
476 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
480 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
495 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
496 mg = mg_find(sv, 'P') ;
498 mg = mg_find(sv, 'q') ;
501 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
521 sv = sv_mortalcopy(&sv_no);
522 sv_setpv(sv, "AnyDBM_File");
523 stash = gv_stashsv(sv, FALSE);
524 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
526 perl_require_pv("AnyDBM_File.pm");
528 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
529 DIE("No dbm on this machine");
532 Zero(&myop, 1, BINOP);
533 myop.op_last = (OP *) &myop;
534 myop.op_next = Nullop;
535 myop.op_flags = OPf_KNOW|OPf_STACKED;
540 if (perldb && curstash != debstash)
541 op->op_private |= OPpENTERSUB_DB;
549 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
551 PUSHs(sv_2mortal(newSViv(O_RDWR)));
556 if (op = pp_entersub())
560 if (!sv_isobject(TOPs)) {
568 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
573 if (op = pp_entersub())
578 if (sv_isobject(TOPs))
579 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
586 return pp_untie(ARGS);
600 struct timeval timebuf;
601 struct timeval *tbuf = &timebuf;
604 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
609 # if BYTEORDER & 0xf0000
610 # define ORDERBYTE (0x88888888 - BYTEORDER)
612 # define ORDERBYTE (0x4444 - BYTEORDER)
618 for (i = 1; i <= 3; i++) {
626 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
628 growsize = sizeof(fd_set);
630 growsize = maxlen; /* little endians can use vecs directly */
639 masksize = NFDBITS / NBBY;
641 masksize = sizeof(long); /* documented int, everyone seems to use long */
643 growsize = maxlen + (masksize - (maxlen % masksize));
644 Zero(&fd_sets[0], 4, char*);
652 timebuf.tv_sec = (long)value;
653 value -= (double)timebuf.tv_sec;
654 timebuf.tv_usec = (long)(value * 1000000.0);
657 tbuf = Null(struct timeval*);
659 for (i = 1; i <= 3; i++) {
666 SvPV_force(sv,na); /* force string conversion */
669 Sv_Grow(sv, growsize);
673 while (++j <= growsize) {
677 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
679 New(403, fd_sets[i], growsize, char);
680 for (offset = 0; offset < growsize; offset += masksize) {
681 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
682 fd_sets[i][j+offset] = s[(k % masksize) + offset];
685 fd_sets[i] = SvPVX(sv);
691 (Select_fd_set_t) fd_sets[1],
692 (Select_fd_set_t) fd_sets[2],
693 (Select_fd_set_t) fd_sets[3],
695 for (i = 1; i <= 3; i++) {
698 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
700 for (offset = 0; offset < growsize; offset += masksize) {
701 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
702 s[(k % masksize) + offset] = fd_sets[i][j+offset];
704 Safefree(fd_sets[i]);
711 if (GIMME == G_ARRAY && tbuf) {
712 value = (double)(timebuf.tv_sec) +
713 (double)(timebuf.tv_usec) / 1000000.0;
714 PUSHs(sv = sv_mortalcopy(&sv_no));
719 DIE("select not implemented");
728 (void)SvREFCNT_inc(gv);
730 SvREFCNT_dec(defoutgv);
740 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
742 egv = GvEGV(defoutgv);
749 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
750 if (gvp && *gvp == egv)
751 gv_efullname(TARG, defoutgv, Nullch);
753 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
758 if (!GvIO(newdefout))
760 setdefout(newdefout);
777 if (!gv || do_eof(gv)) /* make sure we have fp with something */
781 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
788 return pp_sysread(ARGS);
797 register CONTEXT *cx;
799 AV* padlist = CvPADLIST(cv);
800 SV** svp = AvARRAY(padlist);
806 PUSHBLOCK(cx, CXt_SUB, stack_sp);
809 curpad = AvARRAY((AV*)svp[1]);
811 setdefout(gv); /* locally select filehandle so $% et al work */
844 SV *tmpsv = sv_newmortal();
845 gv_efullname(tmpsv, fgv, Nullch);
846 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
848 DIE("Not a format reference");
850 IoFLAGS(io) &= ~IOf_DIDTOP;
852 return doform(cv,gv,op->op_next);
858 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
859 register IO *io = GvIOp(gv);
860 PerlIO *ofp = IoOFP(io);
864 register CONTEXT *cx;
866 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
867 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
868 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
869 formtarget != toptarget)
877 if (!IoTOP_NAME(io)) {
879 IoFMT_NAME(io) = savepv(GvNAME(gv));
880 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
881 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
882 if ((topgv && GvFORM(topgv)) ||
883 !gv_fetchpv("top",FALSE,SVt_PVFM))
884 IoTOP_NAME(io) = savepv(tmpbuf);
886 IoTOP_NAME(io) = savepv("top");
888 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
889 if (!topgv || !GvFORM(topgv)) {
890 IoLINES_LEFT(io) = 100000000;
893 IoTOP_GV(io) = topgv;
895 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
896 I32 lines = IoLINES_LEFT(io);
897 char *s = SvPVX(formtarget);
898 if (lines <= 0) /* Yow, header didn't even fit!!! */
900 while (lines-- > 0) {
907 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
908 sv_chop(formtarget, s);
909 FmLINES(formtarget) -= IoLINES_LEFT(io);
912 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
913 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
914 IoLINES_LEFT(io) = IoPAGE_LEN(io);
916 formtarget = toptarget;
917 IoFLAGS(io) |= IOf_DIDTOP;
920 DIE("bad top format reference");
923 SV *tmpsv = sv_newmortal();
924 gv_efullname(tmpsv, fgv, Nullch);
925 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
927 return doform(cv,gv,op);
939 warn("Filehandle only opened for input");
941 warn("Write on closed filehandle");
946 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
948 warn("page overflow");
950 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
954 FmLINES(formtarget) = 0;
955 SvCUR_set(formtarget, 0);
956 *SvEND(formtarget) = '\0';
957 if (IoFLAGS(io) & IOf_FLUSH)
958 (void)PerlIO_flush(fp);
962 formtarget = bodytarget;
969 dSP; dMARK; dORIGMARK;
975 if (op->op_flags & OPf_STACKED)
979 if (!(io = GvIO(gv))) {
981 gv_fullname(sv, gv, Nullch);
982 warn("Filehandle %s never opened", SvPV(sv,na));
984 SETERRNO(EBADF,RMS$_IFI);
987 else if (!(fp = IoOFP(io))) {
989 gv_fullname(sv, gv, Nullch);
991 warn("Filehandle %s opened only for input", SvPV(sv,na));
993 warn("printf on closed filehandle %s", SvPV(sv,na));
995 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
999 do_sprintf(sv, SP - MARK, MARK + 1);
1000 if (!do_print(sv, fp))
1003 if (IoFLAGS(io) & IOf_FLUSH)
1004 if (PerlIO_flush(fp) == EOF)
1036 tmps = SvPV(sv, len);
1037 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1038 IoLINES(GvIOp(gv)) = 0;
1049 dSP; dMARK; dORIGMARK; dTARGET;
1063 buffer = SvPV_force(bufsv, blen);
1064 length = SvIVx(*++MARK);
1066 DIE("Negative length");
1069 offset = SvIVx(*++MARK);
1073 if (!io || !IoIFP(io))
1076 if (op->op_type == OP_RECV) {
1077 bufsize = sizeof buf;
1078 buffer = SvGROW(bufsv, length+1);
1079 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1080 (struct sockaddr *)buf, &bufsize);
1083 SvCUR_set(bufsv, length);
1084 *SvEND(bufsv) = '\0';
1085 (void)SvPOK_only(bufsv);
1088 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1090 sv_setpvn(TARG, buf, bufsize);
1095 if (op->op_type == OP_RECV)
1096 DIE(no_sock_func, "recv");
1098 buffer = SvGROW(bufsv, length+offset+1);
1099 if (op->op_type == OP_SYSREAD) {
1100 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1103 #ifdef HAS_SOCKET__bad_code_maybe
1104 if (IoTYPE(io) == 's') {
1105 bufsize = sizeof buf;
1106 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1107 (struct sockaddr *)buf, &bufsize);
1111 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1114 SvCUR_set(bufsv, length+offset);
1115 *SvEND(bufsv) = '\0';
1116 (void)SvPOK_only(bufsv);
1119 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1131 return pp_send(ARGS);
1136 dSP; dMARK; dORIGMARK; dTARGET;
1149 buffer = SvPV(bufsv, blen);
1150 length = SvIVx(*++MARK);
1152 DIE("Negative length");
1155 if (!io || !IoIFP(io)) {
1158 if (op->op_type == OP_SYSWRITE)
1159 warn("Syswrite on closed filehandle");
1161 warn("Send on closed socket");
1164 else if (op->op_type == OP_SYSWRITE) {
1166 offset = SvIVx(*++MARK);
1169 if (length > blen - offset)
1170 length = blen - offset;
1171 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1174 else if (SP > MARK) {
1177 sockbuf = SvPVx(*++MARK, mlen);
1178 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1179 (struct sockaddr *)sockbuf, mlen);
1182 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1185 DIE(no_sock_func, "send");
1200 return pp_sysread(ARGS);
1211 gv = last_in_gv = (GV*)POPs;
1212 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1224 gv = last_in_gv = (GV*)POPs;
1225 PUSHi( do_tell(gv) );
1236 gv = last_in_gv = (GV*)POPs;
1237 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1244 Off_t len = (Off_t)POPn;
1249 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1250 if (op->op_flags & OPf_SPECIAL) {
1251 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1253 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1255 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1257 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1263 if (SvTYPE(sv) == SVt_PVGV) {
1264 tmpgv = (GV*)sv; /* *main::FRED for example */
1267 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1268 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1272 if (truncate (SvPV (sv, na), len) < 0)
1278 if ((tmpfd = open(SvPV (sv, na), 0)) < 0)
1281 if (my_chsize(tmpfd, len) < 0)
1292 SETERRNO(EBADF,RMS$_IFI);
1295 DIE("truncate not implemented");
1301 return pp_ioctl(ARGS);
1308 unsigned int func = U_I(POPn);
1309 int optype = op->op_type;
1315 if (!io || !argsv || !IoIFP(io)) {
1316 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1320 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1322 s = SvPV_force(argsv, len);
1323 retval = IOCPARM_LEN(func);
1325 s = Sv_Grow(argsv, retval+1);
1326 SvCUR_set(argsv, retval);
1329 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1332 retval = SvIV(argsv);
1334 s = (char*)(long)retval; /* ouch */
1336 s = (char*)retval; /* ouch */
1340 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1342 if (optype == OP_IOCTL)
1344 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1346 DIE("ioctl is not implemented");
1349 #if defined(DOSISH) && !defined(OS2)
1350 DIE("fcntl is not implemented");
1353 # if defined(OS2) && defined(__EMX__)
1354 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1356 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1359 DIE("fcntl is not implemented");
1364 if (s[SvCUR(argsv)] != 17)
1365 DIE("Possible memory corruption: %s overflowed 3rd argument",
1367 s[SvCUR(argsv)] = 0; /* put our null back */
1368 SvSETMAGIC(argsv); /* Assume it has changed */
1377 PUSHp("0 but true", 10);
1390 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
1391 # define flock lockf_emulate_flock
1394 #if defined(HAS_FLOCK) || defined(flock)
1401 fp = IoIFP(GvIOp(gv));
1405 value = (I32)(flock(PerlIO_fileno(fp), argtype) >= 0);
1412 DIE(no_func, "flock()");
1424 int protocol = POPi;
1432 SETERRNO(EBADF,LIB$_INVARG);
1438 do_close(gv, FALSE);
1440 TAINT_PROPER("socket");
1441 fd = socket(domain, type, protocol);
1444 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1445 IoOFP(io) = PerlIO_fdopen(fd, "w");
1447 if (!IoIFP(io) || !IoOFP(io)) {
1448 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1449 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1450 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1456 DIE(no_sock_func, "socket");
1463 #ifdef HAS_SOCKETPAIR
1468 int protocol = POPi;
1481 do_close(gv1, FALSE);
1483 do_close(gv2, FALSE);
1485 TAINT_PROPER("socketpair");
1486 if (socketpair(domain, type, protocol, fd) < 0)
1488 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1489 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1491 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1492 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1494 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1495 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1496 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1497 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1498 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1499 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1500 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1506 DIE(no_sock_func, "socketpair");
1517 register IO *io = GvIOn(gv);
1520 if (!io || !IoIFP(io))
1523 addr = SvPV(addrsv, len);
1524 TAINT_PROPER("bind");
1525 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1532 warn("bind() on closed fd");
1533 SETERRNO(EBADF,SS$_IVCHAN);
1536 DIE(no_sock_func, "bind");
1547 register IO *io = GvIOn(gv);
1550 if (!io || !IoIFP(io))
1553 addr = SvPV(addrsv, len);
1554 TAINT_PROPER("connect");
1555 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1562 warn("connect() on closed fd");
1563 SETERRNO(EBADF,SS$_IVCHAN);
1566 DIE(no_sock_func, "connect");
1576 register IO *io = GvIOn(gv);
1578 if (!io || !IoIFP(io))
1581 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1588 warn("listen() on closed fd");
1589 SETERRNO(EBADF,SS$_IVCHAN);
1592 DIE(no_sock_func, "listen");
1604 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1605 int len = sizeof saddr;
1617 if (!gstio || !IoIFP(gstio))
1622 do_close(ngv, FALSE);
1624 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1627 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1628 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1629 IoTYPE(nstio) = 's';
1630 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1631 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1632 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1633 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1637 PUSHp((char *)&saddr, len);
1642 warn("accept() on closed fd");
1643 SETERRNO(EBADF,SS$_IVCHAN);
1649 DIE(no_sock_func, "accept");
1659 register IO *io = GvIOn(gv);
1661 if (!io || !IoIFP(io))
1664 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1669 warn("shutdown() on closed fd");
1670 SETERRNO(EBADF,SS$_IVCHAN);
1673 DIE(no_sock_func, "shutdown");
1680 return pp_ssockopt(ARGS);
1682 DIE(no_sock_func, "getsockopt");
1690 int optype = op->op_type;
1693 unsigned int optname;
1699 if (optype == OP_GSOCKOPT)
1700 sv = sv_2mortal(NEWSV(22, 257));
1703 optname = (unsigned int) POPi;
1704 lvl = (unsigned int) POPi;
1708 if (!io || !IoIFP(io))
1711 fd = PerlIO_fileno(IoIFP(io));
1715 (void)SvPOK_only(sv);
1719 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1729 buf = SvPV(sv, len);
1730 else if (SvOK(sv)) {
1731 aint = (int)SvIV(sv);
1735 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1745 warn("[gs]etsockopt() on closed fd");
1746 SETERRNO(EBADF,SS$_IVCHAN);
1751 DIE(no_sock_func, "setsockopt");
1758 return pp_getpeername(ARGS);
1760 DIE(no_sock_func, "getsockname");
1768 int optype = op->op_type;
1772 register IO *io = GvIOn(gv);
1775 if (!io || !IoIFP(io))
1778 sv = sv_2mortal(NEWSV(22, 257));
1779 (void)SvPOK_only(sv);
1783 fd = PerlIO_fileno(IoIFP(io));
1785 case OP_GETSOCKNAME:
1786 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1789 case OP_GETPEERNAME:
1790 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1801 warn("get{sock, peer}name() on closed fd");
1802 SETERRNO(EBADF,SS$_IVCHAN);
1807 DIE(no_sock_func, "getpeername");
1815 return pp_stat(ARGS);
1824 if (op->op_flags & OPf_REF) {
1825 tmpgv = cGVOP->op_gv;
1827 if (tmpgv != defgv) {
1828 laststype = OP_STAT;
1830 sv_setpv(statname, "");
1831 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1832 Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1837 else if (laststatval < 0)
1842 if (SvTYPE(sv) == SVt_PVGV) {
1846 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1847 tmpgv = (GV*)SvRV(sv);
1850 sv_setpv(statname, SvPV(sv,na));
1853 laststype = op->op_type;
1854 if (op->op_type == OP_LSTAT)
1855 laststatval = lstat(SvPV(statname, na), &statcache);
1858 laststatval = Stat(SvPV(statname, na), &statcache);
1859 if (laststatval < 0) {
1860 if (dowarn && strchr(SvPV(statname, na), '\n'))
1861 warn(warn_nl, "stat");
1867 if (GIMME != G_ARRAY) {
1874 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1875 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1876 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1877 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1878 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1879 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1880 #ifdef USE_STAT_RDEV
1881 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1883 PUSHs(sv_2mortal(newSVpv("", 0)));
1885 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1887 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1888 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1889 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1891 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1892 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1893 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1895 #ifdef USE_STAT_BLOCKS
1896 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1897 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1899 PUSHs(sv_2mortal(newSVpv("", 0)));
1900 PUSHs(sv_2mortal(newSVpv("", 0)));
1908 I32 result = my_stat(ARGS);
1912 if (cando(S_IRUSR, 0, &statcache))
1919 I32 result = my_stat(ARGS);
1923 if (cando(S_IWUSR, 0, &statcache))
1930 I32 result = my_stat(ARGS);
1934 if (cando(S_IXUSR, 0, &statcache))
1941 I32 result = my_stat(ARGS);
1945 if (cando(S_IRUSR, 1, &statcache))
1952 I32 result = my_stat(ARGS);
1956 if (cando(S_IWUSR, 1, &statcache))
1963 I32 result = my_stat(ARGS);
1967 if (cando(S_IXUSR, 1, &statcache))
1974 I32 result = my_stat(ARGS);
1983 return pp_ftrowned(ARGS);
1988 I32 result = my_stat(ARGS);
1992 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
1999 I32 result = my_stat(ARGS);
2003 if (!statcache.st_size)
2010 I32 result = my_stat(ARGS);
2014 PUSHi(statcache.st_size);
2020 I32 result = my_stat(ARGS);
2024 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2030 I32 result = my_stat(ARGS);
2034 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2040 I32 result = my_stat(ARGS);
2044 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2050 I32 result = my_stat(ARGS);
2054 if (S_ISSOCK(statcache.st_mode))
2061 I32 result = my_stat(ARGS);
2065 if (S_ISCHR(statcache.st_mode))
2072 I32 result = my_stat(ARGS);
2076 if (S_ISBLK(statcache.st_mode))
2083 I32 result = my_stat(ARGS);
2087 if (S_ISREG(statcache.st_mode))
2094 I32 result = my_stat(ARGS);
2098 if (S_ISDIR(statcache.st_mode))
2105 I32 result = my_stat(ARGS);
2109 if (S_ISFIFO(statcache.st_mode))
2116 I32 result = my_lstat(ARGS);
2120 if (S_ISLNK(statcache.st_mode))
2129 I32 result = my_stat(ARGS);
2133 if (statcache.st_mode & S_ISUID)
2143 I32 result = my_stat(ARGS);
2147 if (statcache.st_mode & S_ISGID)
2157 I32 result = my_stat(ARGS);
2161 if (statcache.st_mode & S_ISVTX)
2173 if (op->op_flags & OPf_REF) {
2178 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2179 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2180 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2181 else if (isDIGIT(*tmps))
2190 #if defined(atarist) /* this will work with atariST. Configure will
2191 make guesses for other systems. */
2192 # define FILE_base(f) ((f)->_base)
2193 # define FILE_ptr(f) ((f)->_ptr)
2194 # define FILE_cnt(f) ((f)->_cnt)
2195 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2205 register STDCHAR *s;
2209 if (op->op_flags & OPf_REF) {
2211 if (cGVOP->op_gv == defgv) {
2216 goto really_filename;
2220 statgv = cGVOP->op_gv;
2221 sv_setpv(statname, "");
2224 if (io && IoIFP(io)) {
2225 if (PerlIO_has_base(IoIFP(io))) {
2226 Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2227 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2228 if (op->op_type == OP_FTTEXT)
2232 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2233 i = PerlIO_getc(IoIFP(io));
2235 (void)PerlIO_ungetc(IoIFP(io),i);
2237 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2239 len = PerlIO_get_bufsiz(IoIFP(io));
2240 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2241 /* sfio can have large buffers - limit to 512 */
2246 DIE("-T and -B not implemented on filehandles");
2251 warn("Test on unopened file <%s>",
2252 GvENAME(cGVOP->op_gv));
2253 SETERRNO(EBADF,RMS$_IFI);
2260 sv_setpv(statname, SvPV(sv, na));
2263 i = open(SvPV(sv, na), O_RDONLY, 0);
2265 i = open(SvPV(sv, na), 0);
2268 if (dowarn && strchr(SvPV(sv, na), '\n'))
2269 warn(warn_nl, "open");
2272 Fstat(i, &statcache);
2273 len = read(i, tbuf, 512);
2276 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2277 RETPUSHNO; /* special case NFS directories */
2278 RETPUSHYES; /* null file is anything */
2283 /* now scan s to look for textiness */
2284 /* XXX ASCII dependent code */
2286 for (i = 0; i < len; i++, s++) {
2287 if (!*s) { /* null never allowed in text */
2294 *s != '\n' && *s != '\r' && *s != '\b' &&
2295 *s != '\t' && *s != '\f' && *s != 27)
2299 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2307 return pp_fttext(ARGS);
2322 if (!tmps || !*tmps) {
2323 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2325 tmps = SvPV(*svp, na);
2327 if (!tmps || !*tmps) {
2328 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2330 tmps = SvPV(*svp, na);
2332 TAINT_PROPER("chdir");
2333 PUSHi( chdir(tmps) >= 0 );
2335 /* Clear the DEFAULT element of ENV so we'll get the new value
2337 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2344 dSP; dMARK; dTARGET;
2347 value = (I32)apply(op->op_type, MARK, SP);
2352 DIE(no_func, "Unsupported function chown");
2362 TAINT_PROPER("chroot");
2363 PUSHi( chroot(tmps) >= 0 );
2366 DIE(no_func, "chroot");
2372 dSP; dMARK; dTARGET;
2374 value = (I32)apply(op->op_type, MARK, SP);
2382 dSP; dMARK; dTARGET;
2384 value = (I32)apply(op->op_type, MARK, SP);
2392 dSP; dMARK; dTARGET;
2394 value = (I32)apply(op->op_type, MARK, SP);
2406 char *tmps = SvPV(TOPs, na);
2407 TAINT_PROPER("rename");
2409 anum = rename(tmps, tmps2);
2411 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2414 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2415 (void)UNLINK(tmps2);
2416 if (!(anum = link(tmps, tmps2)))
2417 anum = UNLINK(tmps);
2429 char *tmps = SvPV(TOPs, na);
2430 TAINT_PROPER("link");
2431 SETi( link(tmps, tmps2) >= 0 );
2433 DIE(no_func, "Unsupported function link");
2443 char *tmps = SvPV(TOPs, na);
2444 TAINT_PROPER("symlink");
2445 SETi( symlink(tmps, tmps2) >= 0 );
2448 DIE(no_func, "symlink");
2459 len = readlink(tmps, buf, sizeof buf);
2467 RETSETUNDEF; /* just pretend it's a normal file */
2471 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2473 dooneliner(cmd, filename)
2479 *save_filename = filename;
2485 for (s = mybuf+strlen(mybuf); *filename; ) {
2490 myfp = my_popen(mybuf, "r");
2493 /* Need to save/restore 'rs' ?? */
2494 s = sv_gets(tmpsv, myfp, 0);
2495 (void)my_pclose(myfp);
2497 for (errno = 1; errno < sys_nerr; errno++) {
2498 #ifdef HAS_SYS_ERRLIST
2499 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2502 char *errmsg; /* especially if it isn't there */
2505 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2511 #define EACCES EPERM
2513 if (instr(mybuf, "cannot make"))
2514 SETERRNO(EEXIST,RMS$_FEX);
2515 else if (instr(mybuf, "existing file"))
2516 SETERRNO(EEXIST,RMS$_FEX);
2517 else if (instr(mybuf, "ile exists"))
2518 SETERRNO(EEXIST,RMS$_FEX);
2519 else if (instr(mybuf, "non-exist"))
2520 SETERRNO(ENOENT,RMS$_FNF);
2521 else if (instr(mybuf, "does not exist"))
2522 SETERRNO(ENOENT,RMS$_FNF);
2523 else if (instr(mybuf, "not empty"))
2524 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2525 else if (instr(mybuf, "cannot access"))
2526 SETERRNO(EACCES,RMS$_PRV);
2528 SETERRNO(EPERM,RMS$_PRV);
2531 else { /* some mkdirs return no failure indication */
2532 anum = (Stat(save_filename, &statbuf) >= 0);
2533 if (op->op_type == OP_RMDIR)
2538 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2554 char *tmps = SvPV(TOPs, na);
2556 TAINT_PROPER("mkdir");
2558 SETi( mkdir(tmps, mode) >= 0 );
2560 SETi( dooneliner("mkdir", tmps) );
2561 oldumask = umask(0);
2563 chmod(tmps, (mode & ~oldumask) & 0777);
2574 TAINT_PROPER("rmdir");
2576 XPUSHi( rmdir(tmps) >= 0 );
2578 XPUSHi( dooneliner("rmdir", tmps) );
2583 /* Directory calls. */
2588 #if defined(Direntry_t) && defined(HAS_READDIR)
2589 char *dirname = POPp;
2591 register IO *io = GvIOn(gv);
2597 closedir(IoDIRP(io));
2598 if (!(IoDIRP(io) = opendir(dirname)))
2604 SETERRNO(EBADF,RMS$_DIR);
2607 DIE(no_dir_func, "opendir");
2614 #if defined(Direntry_t) && defined(HAS_READDIR)
2616 Direntry_t *readdir _((DIR *));
2618 register Direntry_t *dp;
2620 register IO *io = GvIOn(gv);
2622 if (!io || !IoDIRP(io))
2625 if (GIMME == G_ARRAY) {
2627 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2629 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2631 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2636 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2639 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2641 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2648 SETERRNO(EBADF,RMS$_ISI);
2649 if (GIMME == G_ARRAY)
2654 DIE(no_dir_func, "readdir");
2661 #if defined(HAS_TELLDIR) || defined(telldir)
2662 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2663 long telldir _((DIR *));
2666 register IO *io = GvIOn(gv);
2668 if (!io || !IoDIRP(io))
2671 PUSHi( telldir(IoDIRP(io)) );
2675 SETERRNO(EBADF,RMS$_ISI);
2678 DIE(no_dir_func, "telldir");
2685 #if defined(HAS_SEEKDIR) || defined(seekdir)
2688 register IO *io = GvIOn(gv);
2690 if (!io || !IoDIRP(io))
2693 (void)seekdir(IoDIRP(io), along);
2698 SETERRNO(EBADF,RMS$_ISI);
2701 DIE(no_dir_func, "seekdir");
2708 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2710 register IO *io = GvIOn(gv);
2712 if (!io || !IoDIRP(io))
2715 (void)rewinddir(IoDIRP(io));
2719 SETERRNO(EBADF,RMS$_ISI);
2722 DIE(no_dir_func, "rewinddir");
2729 #if defined(Direntry_t) && defined(HAS_READDIR)
2731 register IO *io = GvIOn(gv);
2733 if (!io || !IoDIRP(io))
2736 #ifdef VOID_CLOSEDIR
2737 closedir(IoDIRP(io));
2739 if (closedir(IoDIRP(io)) < 0) {
2740 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2749 SETERRNO(EBADF,RMS$_IFI);
2752 DIE(no_dir_func, "closedir");
2756 /* Process control. */
2771 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2772 sv_setiv(GvSV(tmpgv), (I32)getpid());
2773 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2778 DIE(no_func, "Unsupported function fork");
2791 childpid = wait(&argflags);
2793 pidgone(childpid, argflags);
2794 value = (I32)childpid;
2795 statusvalue = FIXSTATUS(argflags);
2799 DIE(no_func, "Unsupported function wait");
2814 childpid = wait4pid(childpid, &argflags, optype);
2815 value = (I32)childpid;
2816 statusvalue = FIXSTATUS(argflags);
2820 DIE(no_func, "Unsupported function wait");
2826 dSP; dMARK; dORIGMARK; dTARGET;
2831 Signal_t (*ihand)(); /* place to save signal during system() */
2832 Signal_t (*qhand)(); /* place to save signal during system() */
2834 #if defined(HAS_FORK) && !defined(VMS) && !defined(OS2)
2835 if (SP - MARK == 1) {
2837 char *junk = SvPV(TOPs, na);
2839 TAINT_PROPER("system");
2842 while ((childpid = vfork()) == -1) {
2843 if (errno != EAGAIN) {
2852 ihand = signal(SIGINT, SIG_IGN);
2853 qhand = signal(SIGQUIT, SIG_IGN);
2855 result = wait4pid(childpid, &status, 0);
2856 } while (result == -1 && errno == EINTR);
2857 (void)signal(SIGINT, ihand);
2858 (void)signal(SIGQUIT, qhand);
2859 statusvalue = FIXSTATUS(status);
2863 value = (I32)((unsigned int)status & 0xffff);
2865 do_execfree(); /* free any memory child malloced on vfork */
2870 if (op->op_flags & OPf_STACKED) {
2871 SV *really = *++MARK;
2872 value = (I32)do_aexec(really, MARK, SP);
2874 else if (SP - MARK != 1)
2875 value = (I32)do_aexec(Nullsv, MARK, SP);
2877 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2880 #else /* ! FORK or VMS or OS/2 */
2881 if (op->op_flags & OPf_STACKED) {
2882 SV *really = *++MARK;
2883 value = (I32)do_aspawn(really, MARK, SP);
2885 else if (SP - MARK != 1)
2886 value = (I32)do_aspawn(Nullsv, MARK, SP);
2888 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2890 statusvalue = FIXSTATUS(value);
2894 #endif /* !FORK or VMS */
2900 dSP; dMARK; dORIGMARK; dTARGET;
2903 if (op->op_flags & OPf_STACKED) {
2904 SV *really = *++MARK;
2905 value = (I32)do_aexec(really, MARK, SP);
2907 else if (SP - MARK != 1)
2909 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2911 value = (I32)do_aexec(Nullsv, MARK, SP);
2915 char *junk = SvPV(*SP, na);
2917 TAINT_PROPER("exec");
2920 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2922 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2932 dSP; dMARK; dTARGET;
2935 value = (I32)apply(op->op_type, MARK, SP);
2940 DIE(no_func, "Unsupported function kill");
2948 XPUSHi( getppid() );
2951 DIE(no_func, "getppid");
2967 value = (I32)BSD_GETPGRP(pid);
2970 DIE("POSIX getpgrp can't take an argument");
2971 value = (I32)getpgrp();
2976 DIE(no_func, "getpgrp()");
2995 TAINT_PROPER("setpgrp");
2997 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
2999 if ((pgrp != 0) || (pid != 0)) {
3000 DIE("POSIX setpgrp can't take an argument");
3002 SETi( setpgrp() >= 0 );
3003 #endif /* USE_BSDPGRP */
3006 DIE(no_func, "setpgrp()");
3015 #ifdef HAS_GETPRIORITY
3018 SETi( getpriority(which, who) );
3021 DIE(no_func, "getpriority()");
3031 #ifdef HAS_SETPRIORITY
3035 TAINT_PROPER("setpriority");
3036 SETi( setpriority(which, who, niceval) >= 0 );
3039 DIE(no_func, "setpriority()");
3049 XPUSHn( time(Null(Time_t*)) );
3051 XPUSHi( time(Null(Time_t*)) );
3064 #if defined(MSDOS) || !defined(HAS_TIMES)
3065 DIE("times not implemented");
3070 (void)times(×buf);
3072 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3073 /* struct tms, though same data */
3079 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3080 if (GIMME == G_ARRAY) {
3081 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3082 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3083 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3091 return pp_gmtime(ARGS);
3099 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3100 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3101 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3107 when = (Time_t)SvNVx(POPs);
3109 when = (Time_t)SvIVx(POPs);
3112 if (op->op_type == OP_LOCALTIME)
3113 tmbuf = localtime(&when);
3115 tmbuf = gmtime(&when);
3118 if (GIMME != G_ARRAY) {
3123 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3124 dayname[tmbuf->tm_wday],
3125 monname[tmbuf->tm_mon],
3130 tmbuf->tm_year + 1900);
3131 PUSHp(mybuf, strlen(mybuf));
3134 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3135 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3136 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3137 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3138 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3139 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3140 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3141 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3142 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3153 anum = alarm((unsigned int)anum);
3160 DIE(no_func, "Unsupported function alarm");
3171 (void)time(&lasttime);
3176 sleep((unsigned int)duration);
3179 XPUSHi(when - lasttime);
3183 /* Shared memory. */
3187 return pp_semget(ARGS);
3192 return pp_semctl(ARGS);
3197 return pp_shmwrite(ARGS);
3202 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3203 dSP; dMARK; dTARGET;
3204 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3209 return pp_semget(ARGS);
3213 /* Message passing. */
3217 return pp_semget(ARGS);
3222 return pp_semctl(ARGS);
3227 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3228 dSP; dMARK; dTARGET;
3229 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3234 return pp_semget(ARGS);
3240 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3241 dSP; dMARK; dTARGET;
3242 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3247 return pp_semget(ARGS);
3255 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3256 dSP; dMARK; dTARGET;
3257 int anum = do_ipcget(op->op_type, MARK, SP);
3264 DIE("System V IPC is not implemented on this machine");
3270 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3271 dSP; dMARK; dTARGET;
3272 int anum = do_ipcctl(op->op_type, MARK, SP);
3280 PUSHp("0 but true",10);
3284 return pp_semget(ARGS);
3290 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3291 dSP; dMARK; dTARGET;
3292 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3297 return pp_semget(ARGS);
3301 /* Get system info. */
3306 return pp_ghostent(ARGS);
3308 DIE(no_sock_func, "gethostbyname");
3315 return pp_ghostent(ARGS);
3317 DIE(no_sock_func, "gethostbyaddr");
3325 I32 which = op->op_type;
3326 register char **elem;
3328 struct hostent *gethostbyname();
3329 struct hostent *gethostbyaddr();
3330 #ifdef HAS_GETHOSTENT
3331 struct hostent *gethostent();
3333 struct hostent *hent;
3337 if (which == OP_GHBYNAME) {
3338 hent = gethostbyname(POPp);
3340 else if (which == OP_GHBYADDR) {
3341 int addrtype = POPi;
3344 char *addr = SvPV(addrsv, addrlen);
3346 hent = gethostbyaddr(addr, addrlen, addrtype);
3349 #ifdef HAS_GETHOSTENT
3350 hent = gethostent();
3352 DIE("gethostent not implemented");
3355 #ifdef HOST_NOT_FOUND
3357 statusvalue = FIXSTATUS(h_errno);
3360 if (GIMME != G_ARRAY) {
3361 PUSHs(sv = sv_newmortal());
3363 if (which == OP_GHBYNAME) {
3365 sv_setpvn(sv, hent->h_addr, hent->h_length);
3368 sv_setpv(sv, (char*)hent->h_name);
3374 PUSHs(sv = sv_mortalcopy(&sv_no));
3375 sv_setpv(sv, (char*)hent->h_name);
3376 PUSHs(sv = sv_mortalcopy(&sv_no));
3377 for (elem = hent->h_aliases; elem && *elem; elem++) {
3378 sv_catpv(sv, *elem);
3380 sv_catpvn(sv, " ", 1);
3382 PUSHs(sv = sv_mortalcopy(&sv_no));
3383 sv_setiv(sv, (I32)hent->h_addrtype);
3384 PUSHs(sv = sv_mortalcopy(&sv_no));
3385 len = hent->h_length;
3386 sv_setiv(sv, (I32)len);
3388 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3389 XPUSHs(sv = sv_mortalcopy(&sv_no));
3390 sv_setpvn(sv, *elem, len);
3393 PUSHs(sv = sv_mortalcopy(&sv_no));
3395 sv_setpvn(sv, hent->h_addr, len);
3400 DIE(no_sock_func, "gethostent");
3407 return pp_gnetent(ARGS);
3409 DIE(no_sock_func, "getnetbyname");
3416 return pp_gnetent(ARGS);
3418 DIE(no_sock_func, "getnetbyaddr");
3426 I32 which = op->op_type;
3427 register char **elem;
3429 struct netent *getnetbyname();
3430 struct netent *getnetbyaddr();
3431 struct netent *getnetent();
3432 struct netent *nent;
3434 if (which == OP_GNBYNAME)
3435 nent = getnetbyname(POPp);
3436 else if (which == OP_GNBYADDR) {
3437 int addrtype = POPi;
3438 unsigned long addr = U_L(POPn);
3439 nent = getnetbyaddr((long)addr, addrtype);
3445 if (GIMME != G_ARRAY) {
3446 PUSHs(sv = sv_newmortal());
3448 if (which == OP_GNBYNAME)
3449 sv_setiv(sv, (I32)nent->n_net);
3451 sv_setpv(sv, nent->n_name);
3457 PUSHs(sv = sv_mortalcopy(&sv_no));
3458 sv_setpv(sv, nent->n_name);
3459 PUSHs(sv = sv_mortalcopy(&sv_no));
3460 for (elem = nent->n_aliases; *elem; elem++) {
3461 sv_catpv(sv, *elem);
3463 sv_catpvn(sv, " ", 1);
3465 PUSHs(sv = sv_mortalcopy(&sv_no));
3466 sv_setiv(sv, (I32)nent->n_addrtype);
3467 PUSHs(sv = sv_mortalcopy(&sv_no));
3468 sv_setiv(sv, (I32)nent->n_net);
3473 DIE(no_sock_func, "getnetent");
3480 return pp_gprotoent(ARGS);
3482 DIE(no_sock_func, "getprotobyname");
3489 return pp_gprotoent(ARGS);
3491 DIE(no_sock_func, "getprotobynumber");
3499 I32 which = op->op_type;
3500 register char **elem;
3502 struct protoent *getprotobyname();
3503 struct protoent *getprotobynumber();
3504 struct protoent *getprotoent();
3505 struct protoent *pent;
3507 if (which == OP_GPBYNAME)
3508 pent = getprotobyname(POPp);
3509 else if (which == OP_GPBYNUMBER)
3510 pent = getprotobynumber(POPi);
3512 pent = getprotoent();
3515 if (GIMME != G_ARRAY) {
3516 PUSHs(sv = sv_newmortal());
3518 if (which == OP_GPBYNAME)
3519 sv_setiv(sv, (I32)pent->p_proto);
3521 sv_setpv(sv, pent->p_name);
3527 PUSHs(sv = sv_mortalcopy(&sv_no));
3528 sv_setpv(sv, pent->p_name);
3529 PUSHs(sv = sv_mortalcopy(&sv_no));
3530 for (elem = pent->p_aliases; *elem; elem++) {
3531 sv_catpv(sv, *elem);
3533 sv_catpvn(sv, " ", 1);
3535 PUSHs(sv = sv_mortalcopy(&sv_no));
3536 sv_setiv(sv, (I32)pent->p_proto);
3541 DIE(no_sock_func, "getprotoent");
3548 return pp_gservent(ARGS);
3550 DIE(no_sock_func, "getservbyname");
3557 return pp_gservent(ARGS);
3559 DIE(no_sock_func, "getservbyport");
3567 I32 which = op->op_type;
3568 register char **elem;
3570 struct servent *getservbyname();
3571 struct servent *getservbynumber();
3572 struct servent *getservent();
3573 struct servent *sent;
3575 if (which == OP_GSBYNAME) {
3579 if (proto && !*proto)
3582 sent = getservbyname(name, proto);
3584 else if (which == OP_GSBYPORT) {
3588 sent = getservbyport(port, proto);
3591 sent = getservent();
3594 if (GIMME != G_ARRAY) {
3595 PUSHs(sv = sv_newmortal());
3597 if (which == OP_GSBYNAME) {
3599 sv_setiv(sv, (I32)ntohs(sent->s_port));
3601 sv_setiv(sv, (I32)(sent->s_port));
3605 sv_setpv(sv, sent->s_name);
3611 PUSHs(sv = sv_mortalcopy(&sv_no));
3612 sv_setpv(sv, sent->s_name);
3613 PUSHs(sv = sv_mortalcopy(&sv_no));
3614 for (elem = sent->s_aliases; *elem; elem++) {
3615 sv_catpv(sv, *elem);
3617 sv_catpvn(sv, " ", 1);
3619 PUSHs(sv = sv_mortalcopy(&sv_no));
3621 sv_setiv(sv, (I32)ntohs(sent->s_port));
3623 sv_setiv(sv, (I32)(sent->s_port));
3625 PUSHs(sv = sv_mortalcopy(&sv_no));
3626 sv_setpv(sv, sent->s_proto);
3631 DIE(no_sock_func, "getservent");
3642 DIE(no_sock_func, "sethostent");
3653 DIE(no_sock_func, "setnetent");
3664 DIE(no_sock_func, "setprotoent");
3675 DIE(no_sock_func, "setservent");
3687 DIE(no_sock_func, "endhostent");
3699 DIE(no_sock_func, "endnetent");
3711 DIE(no_sock_func, "endprotoent");
3723 DIE(no_sock_func, "endservent");
3730 return pp_gpwent(ARGS);
3732 DIE(no_func, "getpwnam");
3739 return pp_gpwent(ARGS);
3741 DIE(no_func, "getpwuid");
3749 I32 which = op->op_type;
3751 struct passwd *pwent;
3753 if (which == OP_GPWNAM)
3754 pwent = getpwnam(POPp);
3755 else if (which == OP_GPWUID)
3756 pwent = getpwuid(POPi);
3758 pwent = (struct passwd *)getpwent();
3761 if (GIMME != G_ARRAY) {
3762 PUSHs(sv = sv_newmortal());
3764 if (which == OP_GPWNAM)
3765 sv_setiv(sv, (I32)pwent->pw_uid);
3767 sv_setpv(sv, pwent->pw_name);
3773 PUSHs(sv = sv_mortalcopy(&sv_no));
3774 sv_setpv(sv, pwent->pw_name);
3775 PUSHs(sv = sv_mortalcopy(&sv_no));
3776 sv_setpv(sv, pwent->pw_passwd);
3777 PUSHs(sv = sv_mortalcopy(&sv_no));
3778 sv_setiv(sv, (I32)pwent->pw_uid);
3779 PUSHs(sv = sv_mortalcopy(&sv_no));
3780 sv_setiv(sv, (I32)pwent->pw_gid);
3781 PUSHs(sv = sv_mortalcopy(&sv_no));
3783 sv_setiv(sv, (I32)pwent->pw_change);
3786 sv_setiv(sv, (I32)pwent->pw_quota);
3789 sv_setpv(sv, pwent->pw_age);
3793 PUSHs(sv = sv_mortalcopy(&sv_no));
3795 sv_setpv(sv, pwent->pw_class);
3798 sv_setpv(sv, pwent->pw_comment);
3801 PUSHs(sv = sv_mortalcopy(&sv_no));
3802 sv_setpv(sv, pwent->pw_gecos);
3803 PUSHs(sv = sv_mortalcopy(&sv_no));
3804 sv_setpv(sv, pwent->pw_dir);
3805 PUSHs(sv = sv_mortalcopy(&sv_no));
3806 sv_setpv(sv, pwent->pw_shell);
3808 PUSHs(sv = sv_mortalcopy(&sv_no));
3809 sv_setiv(sv, (I32)pwent->pw_expire);
3814 DIE(no_func, "getpwent");
3825 DIE(no_func, "setpwent");
3836 DIE(no_func, "endpwent");
3843 return pp_ggrent(ARGS);
3845 DIE(no_func, "getgrnam");
3852 return pp_ggrent(ARGS);
3854 DIE(no_func, "getgrgid");
3862 I32 which = op->op_type;
3863 register char **elem;
3865 struct group *grent;
3867 if (which == OP_GGRNAM)
3868 grent = (struct group *)getgrnam(POPp);
3869 else if (which == OP_GGRGID)
3870 grent = (struct group *)getgrgid(POPi);
3872 grent = (struct group *)getgrent();
3875 if (GIMME != G_ARRAY) {
3876 PUSHs(sv = sv_newmortal());
3878 if (which == OP_GGRNAM)
3879 sv_setiv(sv, (I32)grent->gr_gid);
3881 sv_setpv(sv, grent->gr_name);
3887 PUSHs(sv = sv_mortalcopy(&sv_no));
3888 sv_setpv(sv, grent->gr_name);
3889 PUSHs(sv = sv_mortalcopy(&sv_no));
3890 sv_setpv(sv, grent->gr_passwd);
3891 PUSHs(sv = sv_mortalcopy(&sv_no));
3892 sv_setiv(sv, (I32)grent->gr_gid);
3893 PUSHs(sv = sv_mortalcopy(&sv_no));
3894 for (elem = grent->gr_mem; *elem; elem++) {
3895 sv_catpv(sv, *elem);
3897 sv_catpvn(sv, " ", 1);
3903 DIE(no_func, "getgrent");
3914 DIE(no_func, "setgrent");
3925 DIE(no_func, "endgrent");
3935 if (!(tmps = getlogin()))
3937 PUSHp(tmps, strlen(tmps));
3940 DIE(no_func, "getlogin");
3944 /* Miscellaneous. */
3949 dSP; dMARK; dORIGMARK; dTARGET;
3950 register I32 items = SP - MARK;
3951 unsigned long a[20];
3957 while (++MARK <= SP) {
3958 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3959 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
3963 TAINT_PROPER("syscall");
3966 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3967 * or where sizeof(long) != sizeof(char*). But such machines will
3968 * not likely have syscall implemented either, so who cares?
3970 while (++MARK <= SP) {
3971 if (SvNIOK(*MARK) || !i)
3972 a[i++] = SvIV(*MARK);
3973 else if (*MARK == &sv_undef)
3976 a[i++] = (unsigned long)SvPV_force(*MARK, na);
3982 DIE("Too many args to syscall");
3984 DIE("Too few args to syscall");
3986 retval = syscall(a[0]);
3989 retval = syscall(a[0],a[1]);
3992 retval = syscall(a[0],a[1],a[2]);
3995 retval = syscall(a[0],a[1],a[2],a[3]);
3998 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4001 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4004 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4007 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4011 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4014 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4017 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4021 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4025 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4029 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4030 a[10],a[11],a[12],a[13]);
4032 #endif /* atarist */
4038 DIE(no_func, "syscall");
4042 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
4044 /* XXX Emulate flock() with lockf(). This is just to increase
4045 portability of scripts. The calls are not completely
4046 interchangeable. What's really needed is a good file
4050 /* The lockf() constants might have been defined in <unistd.h>.
4051 Unfortunately, <unistd.h> causes troubles on some mixed
4052 (BSD/POSIX) systems, such as SunOS 4.1.3.
4054 Further, the lockf() constants aren't POSIX, so they might not be
4055 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4056 just stick in the SVID values and be done with it. Sigh.
4060 # define F_ULOCK 0 /* Unlock a previously locked region */
4063 # define F_LOCK 1 /* Lock a region for exclusive use */
4066 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4069 # define F_TEST 3 /* Test a region for other processes locks */
4072 /* These are the flock() constants. Since this sytems doesn't have
4073 flock(), the values of the constants are probably not available.
4089 lockf_emulate_flock (fd, operation)
4094 switch (operation) {
4096 /* LOCK_SH - get a shared lock */
4098 /* LOCK_EX - get an exclusive lock */
4100 i = lockf (fd, F_LOCK, 0);
4103 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4104 case LOCK_SH|LOCK_NB:
4105 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4106 case LOCK_EX|LOCK_NB:
4107 i = lockf (fd, F_TLOCK, 0);
4109 if ((errno == EAGAIN) || (errno == EACCES))
4110 errno = EWOULDBLOCK;
4113 /* LOCK_UN - unlock */
4115 i = lockf (fd, F_ULOCK, 0);
4118 /* Default - can't decipher operation */