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 Omit this -- it causes too much grief on mixed systems.
21 Next time, I should force broken systems to unset i_unistd in
30 /* Put this after #includes because fork and vfork prototypes may
37 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
38 # include <sys/socket.h>
42 # include <net/errno.h>
50 #include <sys/select.h>
63 struct passwd *getpwnam _((char *));
64 struct passwd *getpwuid _((Uid_t));
66 struct passwd *getpwent _((void));
73 struct group *getgrnam _((char *));
74 struct group *getgrgid _((Gid_t));
76 struct group *getgrent _((void));
89 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
90 static int dooneliner _((char *cmd, char *filename));
94 # define my_chsize chsize
105 fp = my_popen(tmps, "r");
107 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
108 if (GIMME == G_SCALAR) {
109 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
119 if (sv_gets(sv, fp, 0) == Nullch) {
123 XPUSHs(sv_2mortal(sv));
124 if (SvLEN(sv) - SvCUR(sv) > 20) {
125 SvLEN_set(sv, SvCUR(sv)+1);
126 Renew(SvPVX(sv), SvLEN(sv), char);
130 statusvalue = FIXSTATUS(my_pclose(fp));
134 if (GIMME == G_SCALAR)
146 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
147 last_in_gv = (GV*)*stack_sp--;
149 SAVESPTR(rs); /* This is not permanent, either. */
150 rs = sv_2mortal(newSVpv("", 1));
157 result = do_readline();
164 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
165 return do_readline();
170 last_in_gv = cGVOP->op_gv;
171 return do_readline();
178 if (SP - MARK != 1) {
180 do_join(TARG, &sv_no, MARK, SP);
181 tmps = SvPV(TARG, na);
185 tmps = SvPV(TOPs, na);
187 if (!tmps || !*tmps) {
188 SV *error = GvSV(errgv);
189 (void)SvUPGRADE(error, SVt_PV);
190 if (SvPOK(error) && SvCUR(error))
191 sv_catpv(error, "\t...caught");
192 tmps = SvPV(error, na);
195 tmps = "Warning: something's wrong";
204 if (SP - MARK != 1) {
206 do_join(TARG, &sv_no, MARK, SP);
207 tmps = SvPV(TARG, na);
211 tmps = SvPV(TOPs, na);
213 if (!tmps || !*tmps) {
214 SV *error = GvSV(errgv);
215 (void)SvUPGRADE(error, SVt_PV);
216 if (SvPOK(error) && SvCUR(error))
217 sv_catpv(error, "\t...propagated");
218 tmps = SvPV(error, na);
237 else if (SvTYPE(TOPs) == SVt_PVGV)
240 DIE(no_usym, "filehandle");
242 tmps = SvPV(sv, len);
243 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
244 IoLINES(GvIOp(gv)) = 0;
245 PUSHi( (I32)forkprocess );
247 else if (forkprocess == 0) /* we are a new child */
264 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
284 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
285 DIE(no_usym, "filehandle");
290 do_close(rgv, FALSE);
292 do_close(wgv, FALSE);
297 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
298 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
299 IoIFP(wstio) = IoOFP(wstio);
303 if (!IoIFP(rstio) || !IoOFP(wstio)) {
304 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
306 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
316 DIE(no_func, "pipe");
329 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
331 PUSHi(PerlIO_fileno(fp));
347 TAINT_PROPER("umask");
350 DIE(no_func, "Unsupported function umask");
368 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
373 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
378 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
384 #if defined(USEMYBINMODE)
385 if (my_binmode(fp,IoTYPE(io)) != NULL)
404 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
405 I32 markoff = mark - stack_base - 1;
409 if (SvTYPE(varsv) == SVt_PVHV)
410 methname = "TIEHASH";
411 else if (SvTYPE(varsv) == SVt_PVAV)
412 methname = "TIEARRAY";
413 else if (SvTYPE(varsv) == SVt_PVGV)
414 methname = "TIEHANDLE";
416 methname = "TIESCALAR";
418 stash = gv_stashsv(mark[1], FALSE);
419 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
420 DIE("Can't locate object method \"%s\" via package \"%s\"",
421 methname, SvPV(mark[1],na));
423 Zero(&myop, 1, BINOP);
424 myop.op_last = (OP *) &myop;
425 myop.op_next = Nullop;
426 myop.op_flags = OPf_KNOW|OPf_STACKED;
431 if (perldb && curstash != debstash)
432 op->op_private |= OPpENTERSUB_DB;
437 if (op = pp_entersub())
442 if (sv_isobject(sv)) {
443 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
444 sv_unmagic(varsv, 'P');
445 sv_magic(varsv, sv, 'P', Nullch, 0);
448 sv_unmagic(varsv, 'q');
449 sv_magic(varsv, sv, 'q', Nullch, 0);
453 SP = stack_base + markoff;
464 if (hints & HINT_STRICT_UNTIE)
468 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
469 mg = mg_find(sv, 'P') ;
471 mg = mg_find(sv, 'q') ;
473 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
474 croak("Can't untie: %d inner references still exist",
475 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
479 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
494 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
495 mg = mg_find(sv, 'P') ;
497 mg = mg_find(sv, 'q') ;
500 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
520 sv = sv_mortalcopy(&sv_no);
521 sv_setpv(sv, "AnyDBM_File");
522 stash = gv_stashsv(sv, FALSE);
523 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
525 perl_require_pv("AnyDBM_File.pm");
527 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
528 DIE("No dbm on this machine");
531 Zero(&myop, 1, BINOP);
532 myop.op_last = (OP *) &myop;
533 myop.op_next = Nullop;
534 myop.op_flags = OPf_KNOW|OPf_STACKED;
539 if (perldb && curstash != debstash)
540 op->op_private |= OPpENTERSUB_DB;
548 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
550 PUSHs(sv_2mortal(newSViv(O_RDWR)));
555 if (op = pp_entersub())
559 if (!sv_isobject(TOPs)) {
567 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
572 if (op = pp_entersub())
577 if (sv_isobject(TOPs))
578 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
585 return pp_untie(ARGS);
599 struct timeval timebuf;
600 struct timeval *tbuf = &timebuf;
603 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
608 # if BYTEORDER & 0xf0000
609 # define ORDERBYTE (0x88888888 - BYTEORDER)
611 # define ORDERBYTE (0x4444 - BYTEORDER)
617 for (i = 1; i <= 3; i++) {
625 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
627 growsize = sizeof(fd_set);
629 growsize = maxlen; /* little endians can use vecs directly */
638 masksize = NFDBITS / NBBY;
640 masksize = sizeof(long); /* documented int, everyone seems to use long */
642 growsize = maxlen + (masksize - (maxlen % masksize));
643 Zero(&fd_sets[0], 4, char*);
651 timebuf.tv_sec = (long)value;
652 value -= (double)timebuf.tv_sec;
653 timebuf.tv_usec = (long)(value * 1000000.0);
656 tbuf = Null(struct timeval*);
658 for (i = 1; i <= 3; i++) {
665 SvPV_force(sv,na); /* force string conversion */
668 Sv_Grow(sv, growsize);
672 while (++j <= growsize) {
676 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
678 New(403, fd_sets[i], growsize, char);
679 for (offset = 0; offset < growsize; offset += masksize) {
680 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
681 fd_sets[i][j+offset] = s[(k % masksize) + offset];
684 fd_sets[i] = SvPVX(sv);
690 (Select_fd_set_t) fd_sets[1],
691 (Select_fd_set_t) fd_sets[2],
692 (Select_fd_set_t) fd_sets[3],
694 for (i = 1; i <= 3; i++) {
697 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
699 for (offset = 0; offset < growsize; offset += masksize) {
700 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
701 s[(k % masksize) + offset] = fd_sets[i][j+offset];
703 Safefree(fd_sets[i]);
710 if (GIMME == G_ARRAY && tbuf) {
711 value = (double)(timebuf.tv_sec) +
712 (double)(timebuf.tv_usec) / 1000000.0;
713 PUSHs(sv = sv_mortalcopy(&sv_no));
718 DIE("select not implemented");
727 (void)SvREFCNT_inc(gv);
729 SvREFCNT_dec(defoutgv);
739 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
741 egv = GvEGV(defoutgv);
748 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
749 if (gvp && *gvp == egv)
750 gv_efullname(TARG, defoutgv);
752 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
757 if (!GvIO(newdefout))
759 setdefout(newdefout);
776 if (!gv || do_eof(gv)) /* make sure we have fp with something */
780 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
787 return pp_sysread(ARGS);
796 register CONTEXT *cx;
798 AV* padlist = CvPADLIST(cv);
799 SV** svp = AvARRAY(padlist);
805 PUSHBLOCK(cx, CXt_SUB, stack_sp);
808 curpad = AvARRAY((AV*)svp[1]);
810 setdefout(gv); /* locally select filehandle so $% et al work */
843 SV *tmpsv = sv_newmortal();
844 gv_efullname(tmpsv, gv);
845 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
847 DIE("Not a format reference");
849 IoFLAGS(io) &= ~IOf_DIDTOP;
851 return doform(cv,gv,op->op_next);
857 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
858 register IO *io = GvIOp(gv);
859 PerlIO *ofp = IoOFP(io);
863 register CONTEXT *cx;
865 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
866 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
867 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
868 formtarget != toptarget)
876 if (!IoTOP_NAME(io)) {
878 IoFMT_NAME(io) = savepv(GvNAME(gv));
879 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
880 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
881 if ((topgv && GvFORM(topgv)) ||
882 !gv_fetchpv("top",FALSE,SVt_PVFM))
883 IoTOP_NAME(io) = savepv(tmpbuf);
885 IoTOP_NAME(io) = savepv("top");
887 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
888 if (!topgv || !GvFORM(topgv)) {
889 IoLINES_LEFT(io) = 100000000;
892 IoTOP_GV(io) = topgv;
894 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
895 I32 lines = IoLINES_LEFT(io);
896 char *s = SvPVX(formtarget);
897 if (lines <= 0) /* Yow, header didn't even fit!!! */
899 while (lines-- > 0) {
906 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
907 sv_chop(formtarget, s);
908 FmLINES(formtarget) -= IoLINES_LEFT(io);
911 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
912 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
913 IoLINES_LEFT(io) = IoPAGE_LEN(io);
915 formtarget = toptarget;
916 IoFLAGS(io) |= IOf_DIDTOP;
919 DIE("bad top format reference");
922 SV *tmpsv = sv_newmortal();
923 gv_efullname(tmpsv, fgv);
924 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
926 return doform(cv,gv,op);
938 warn("Filehandle only opened for input");
940 warn("Write on closed filehandle");
945 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
947 warn("page overflow");
949 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
953 FmLINES(formtarget) = 0;
954 SvCUR_set(formtarget, 0);
955 *SvEND(formtarget) = '\0';
956 if (IoFLAGS(io) & IOf_FLUSH)
957 (void)PerlIO_flush(fp);
961 formtarget = bodytarget;
968 dSP; dMARK; dORIGMARK;
974 if (op->op_flags & OPf_STACKED)
978 if (!(io = GvIO(gv))) {
981 warn("Filehandle %s never opened", SvPV(sv,na));
983 SETERRNO(EBADF,RMS$_IFI);
986 else if (!(fp = IoOFP(io))) {
990 warn("Filehandle %s opened only for input", SvPV(sv,na));
992 warn("printf on closed filehandle %s", SvPV(sv,na));
994 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
998 do_sprintf(sv, SP - MARK, MARK + 1);
999 if (!do_print(sv, fp))
1002 if (IoFLAGS(io) & IOf_FLUSH)
1003 if (PerlIO_flush(fp) == EOF)
1035 tmps = SvPV(sv, len);
1036 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1037 IoLINES(GvIOp(gv)) = 0;
1048 dSP; dMARK; dORIGMARK; dTARGET;
1062 buffer = SvPV_force(bufsv, blen);
1063 length = SvIVx(*++MARK);
1065 DIE("Negative length");
1068 offset = SvIVx(*++MARK);
1072 if (!io || !IoIFP(io))
1075 if (op->op_type == OP_RECV) {
1076 bufsize = sizeof buf;
1077 buffer = SvGROW(bufsv, length+1);
1078 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1079 (struct sockaddr *)buf, &bufsize);
1082 SvCUR_set(bufsv, length);
1083 *SvEND(bufsv) = '\0';
1084 (void)SvPOK_only(bufsv);
1087 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1089 sv_setpvn(TARG, buf, bufsize);
1094 if (op->op_type == OP_RECV)
1095 DIE(no_sock_func, "recv");
1097 buffer = SvGROW(bufsv, length+offset+1);
1098 if (op->op_type == OP_SYSREAD) {
1099 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1102 #ifdef HAS_SOCKET__bad_code_maybe
1103 if (IoTYPE(io) == 's') {
1104 bufsize = sizeof buf;
1105 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1106 (struct sockaddr *)buf, &bufsize);
1110 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1113 SvCUR_set(bufsv, length+offset);
1114 *SvEND(bufsv) = '\0';
1115 (void)SvPOK_only(bufsv);
1118 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1130 return pp_send(ARGS);
1135 dSP; dMARK; dORIGMARK; dTARGET;
1148 buffer = SvPV(bufsv, blen);
1149 length = SvIVx(*++MARK);
1151 DIE("Negative length");
1154 if (!io || !IoIFP(io)) {
1157 if (op->op_type == OP_SYSWRITE)
1158 warn("Syswrite on closed filehandle");
1160 warn("Send on closed socket");
1163 else if (op->op_type == OP_SYSWRITE) {
1165 offset = SvIVx(*++MARK);
1168 if (length > blen - offset)
1169 length = blen - offset;
1170 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1173 else if (SP > MARK) {
1176 sockbuf = SvPVx(*++MARK, mlen);
1177 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1178 (struct sockaddr *)sockbuf, mlen);
1181 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1184 DIE(no_sock_func, "send");
1199 return pp_sysread(ARGS);
1210 gv = last_in_gv = (GV*)POPs;
1211 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1223 gv = last_in_gv = (GV*)POPs;
1224 PUSHi( do_tell(gv) );
1235 gv = last_in_gv = (GV*)POPs;
1236 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1243 Off_t len = (Off_t)POPn;
1248 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1249 if (op->op_flags & OPf_SPECIAL) {
1250 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1252 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1254 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1256 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1262 if (SvTYPE(sv) == SVt_PVGV) {
1263 tmpgv = (GV*)sv; /* *main::FRED for example */
1266 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1267 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1271 if (truncate (SvPV (sv, na), len) < 0)
1277 if ((tmpfd = open(SvPV (sv, na), 0)) < 0)
1280 if (my_chsize(tmpfd, len) < 0)
1291 SETERRNO(EBADF,RMS$_IFI);
1294 DIE("truncate not implemented");
1300 return pp_ioctl(ARGS);
1307 unsigned int func = U_I(POPn);
1308 int optype = op->op_type;
1314 if (!io || !argsv || !IoIFP(io)) {
1315 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1319 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1321 s = SvPV_force(argsv, len);
1322 retval = IOCPARM_LEN(func);
1324 s = Sv_Grow(argsv, retval+1);
1325 SvCUR_set(argsv, retval);
1328 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1331 retval = SvIV(argsv);
1333 s = (char*)(long)retval; /* ouch */
1335 s = (char*)retval; /* ouch */
1339 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1341 if (optype == OP_IOCTL)
1343 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1345 DIE("ioctl is not implemented");
1348 #if defined(DOSISH) && !defined(OS2)
1349 DIE("fcntl is not implemented");
1352 # if defined(OS2) && defined(__EMX__)
1353 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1355 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1358 DIE("fcntl is not implemented");
1363 if (s[SvCUR(argsv)] != 17)
1364 DIE("Possible memory corruption: %s overflowed 3rd argument",
1366 s[SvCUR(argsv)] = 0; /* put our null back */
1367 SvSETMAGIC(argsv); /* Assume it has changed */
1376 PUSHp("0 but true", 10);
1389 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
1390 # define flock lockf_emulate_flock
1393 #if defined(HAS_FLOCK) || defined(flock)
1400 fp = IoIFP(GvIOp(gv));
1404 value = (I32)(flock(PerlIO_fileno(fp), argtype) >= 0);
1411 DIE(no_func, "flock()");
1423 int protocol = POPi;
1431 SETERRNO(EBADF,LIB$_INVARG);
1437 do_close(gv, FALSE);
1439 TAINT_PROPER("socket");
1440 fd = socket(domain, type, protocol);
1443 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1444 IoOFP(io) = PerlIO_fdopen(fd, "w");
1446 if (!IoIFP(io) || !IoOFP(io)) {
1447 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1448 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1449 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1455 DIE(no_sock_func, "socket");
1462 #ifdef HAS_SOCKETPAIR
1467 int protocol = POPi;
1480 do_close(gv1, FALSE);
1482 do_close(gv2, FALSE);
1484 TAINT_PROPER("socketpair");
1485 if (socketpair(domain, type, protocol, fd) < 0)
1487 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1488 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1490 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1491 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1493 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1494 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1495 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1496 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1497 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1498 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1499 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1505 DIE(no_sock_func, "socketpair");
1516 register IO *io = GvIOn(gv);
1519 if (!io || !IoIFP(io))
1522 addr = SvPV(addrsv, len);
1523 TAINT_PROPER("bind");
1524 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1531 warn("bind() on closed fd");
1532 SETERRNO(EBADF,SS$_IVCHAN);
1535 DIE(no_sock_func, "bind");
1546 register IO *io = GvIOn(gv);
1549 if (!io || !IoIFP(io))
1552 addr = SvPV(addrsv, len);
1553 TAINT_PROPER("connect");
1554 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1561 warn("connect() on closed fd");
1562 SETERRNO(EBADF,SS$_IVCHAN);
1565 DIE(no_sock_func, "connect");
1575 register IO *io = GvIOn(gv);
1577 if (!io || !IoIFP(io))
1580 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1587 warn("listen() on closed fd");
1588 SETERRNO(EBADF,SS$_IVCHAN);
1591 DIE(no_sock_func, "listen");
1603 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1604 int len = sizeof saddr;
1616 if (!gstio || !IoIFP(gstio))
1621 do_close(ngv, FALSE);
1623 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1626 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1627 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1628 IoTYPE(nstio) = 's';
1629 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1630 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1631 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1632 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1636 PUSHp((char *)&saddr, len);
1641 warn("accept() on closed fd");
1642 SETERRNO(EBADF,SS$_IVCHAN);
1648 DIE(no_sock_func, "accept");
1658 register IO *io = GvIOn(gv);
1660 if (!io || !IoIFP(io))
1663 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1668 warn("shutdown() on closed fd");
1669 SETERRNO(EBADF,SS$_IVCHAN);
1672 DIE(no_sock_func, "shutdown");
1679 return pp_ssockopt(ARGS);
1681 DIE(no_sock_func, "getsockopt");
1689 int optype = op->op_type;
1692 unsigned int optname;
1698 if (optype == OP_GSOCKOPT)
1699 sv = sv_2mortal(NEWSV(22, 257));
1702 optname = (unsigned int) POPi;
1703 lvl = (unsigned int) POPi;
1707 if (!io || !IoIFP(io))
1710 fd = PerlIO_fileno(IoIFP(io));
1714 (void)SvPOK_only(sv);
1718 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1728 buf = SvPV(sv, len);
1729 else if (SvOK(sv)) {
1730 aint = (int)SvIV(sv);
1734 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1744 warn("[gs]etsockopt() on closed fd");
1745 SETERRNO(EBADF,SS$_IVCHAN);
1750 DIE(no_sock_func, "setsockopt");
1757 return pp_getpeername(ARGS);
1759 DIE(no_sock_func, "getsockname");
1767 int optype = op->op_type;
1771 register IO *io = GvIOn(gv);
1774 if (!io || !IoIFP(io))
1777 sv = sv_2mortal(NEWSV(22, 257));
1778 (void)SvPOK_only(sv);
1782 fd = PerlIO_fileno(IoIFP(io));
1784 case OP_GETSOCKNAME:
1785 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1788 case OP_GETPEERNAME:
1789 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1800 warn("get{sock, peer}name() on closed fd");
1801 SETERRNO(EBADF,SS$_IVCHAN);
1806 DIE(no_sock_func, "getpeername");
1814 return pp_stat(ARGS);
1823 if (op->op_flags & OPf_REF) {
1824 tmpgv = cGVOP->op_gv;
1826 if (tmpgv != defgv) {
1827 laststype = OP_STAT;
1829 sv_setpv(statname, "");
1830 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1831 Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1836 else if (laststatval < 0)
1841 if (SvTYPE(sv) == SVt_PVGV) {
1845 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1846 tmpgv = (GV*)SvRV(sv);
1849 sv_setpv(statname, SvPV(sv,na));
1852 laststype = op->op_type;
1853 if (op->op_type == OP_LSTAT)
1854 laststatval = lstat(SvPV(statname, na), &statcache);
1857 laststatval = Stat(SvPV(statname, na), &statcache);
1858 if (laststatval < 0) {
1859 if (dowarn && strchr(SvPV(statname, na), '\n'))
1860 warn(warn_nl, "stat");
1866 if (GIMME != G_ARRAY) {
1873 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1874 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1875 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1876 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1877 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1878 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1879 #ifdef USE_STAT_RDEV
1880 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1882 PUSHs(sv_2mortal(newSVpv("", 0)));
1884 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1886 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1887 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1888 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1890 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1891 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1892 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1894 #ifdef USE_STAT_BLOCKS
1895 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1896 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1898 PUSHs(sv_2mortal(newSVpv("", 0)));
1899 PUSHs(sv_2mortal(newSVpv("", 0)));
1907 I32 result = my_stat(ARGS);
1911 if (cando(S_IRUSR, 0, &statcache))
1918 I32 result = my_stat(ARGS);
1922 if (cando(S_IWUSR, 0, &statcache))
1929 I32 result = my_stat(ARGS);
1933 if (cando(S_IXUSR, 0, &statcache))
1940 I32 result = my_stat(ARGS);
1944 if (cando(S_IRUSR, 1, &statcache))
1951 I32 result = my_stat(ARGS);
1955 if (cando(S_IWUSR, 1, &statcache))
1962 I32 result = my_stat(ARGS);
1966 if (cando(S_IXUSR, 1, &statcache))
1973 I32 result = my_stat(ARGS);
1982 return pp_ftrowned(ARGS);
1987 I32 result = my_stat(ARGS);
1991 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
1998 I32 result = my_stat(ARGS);
2002 if (!statcache.st_size)
2009 I32 result = my_stat(ARGS);
2013 PUSHi(statcache.st_size);
2019 I32 result = my_stat(ARGS);
2023 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2029 I32 result = my_stat(ARGS);
2033 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2039 I32 result = my_stat(ARGS);
2043 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2049 I32 result = my_stat(ARGS);
2053 if (S_ISSOCK(statcache.st_mode))
2060 I32 result = my_stat(ARGS);
2064 if (S_ISCHR(statcache.st_mode))
2071 I32 result = my_stat(ARGS);
2075 if (S_ISBLK(statcache.st_mode))
2082 I32 result = my_stat(ARGS);
2086 if (S_ISREG(statcache.st_mode))
2093 I32 result = my_stat(ARGS);
2097 if (S_ISDIR(statcache.st_mode))
2104 I32 result = my_stat(ARGS);
2108 if (S_ISFIFO(statcache.st_mode))
2115 I32 result = my_lstat(ARGS);
2119 if (S_ISLNK(statcache.st_mode))
2128 I32 result = my_stat(ARGS);
2132 if (statcache.st_mode & S_ISUID)
2142 I32 result = my_stat(ARGS);
2146 if (statcache.st_mode & S_ISGID)
2156 I32 result = my_stat(ARGS);
2160 if (statcache.st_mode & S_ISVTX)
2172 if (op->op_flags & OPf_REF) {
2177 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2178 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2179 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2180 else if (isDIGIT(*tmps))
2189 #if defined(atarist) /* this will work with atariST. Configure will
2190 make guesses for other systems. */
2191 # define FILE_base(f) ((f)->_base)
2192 # define FILE_ptr(f) ((f)->_ptr)
2193 # define FILE_cnt(f) ((f)->_cnt)
2194 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2204 register STDCHAR *s;
2208 if (op->op_flags & OPf_REF) {
2210 if (cGVOP->op_gv == defgv) {
2215 goto really_filename;
2219 statgv = cGVOP->op_gv;
2220 sv_setpv(statname, "");
2223 if (io && IoIFP(io)) {
2224 if (PerlIO_has_base(IoIFP(io))) {
2225 Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2226 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2227 if (op->op_type == OP_FTTEXT)
2231 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2232 i = PerlIO_getc(IoIFP(io));
2234 (void)PerlIO_ungetc(IoIFP(io),i);
2236 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2238 len = PerlIO_get_bufsiz(IoIFP(io));
2239 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2240 /* sfio can have large buffers - limit to 512 */
2245 DIE("-T and -B not implemented on filehandles");
2250 warn("Test on unopened file <%s>",
2251 GvENAME(cGVOP->op_gv));
2252 SETERRNO(EBADF,RMS$_IFI);
2259 sv_setpv(statname, SvPV(sv, na));
2262 i = open(SvPV(sv, na), O_RDONLY, 0);
2264 i = open(SvPV(sv, na), 0);
2267 if (dowarn && strchr(SvPV(sv, na), '\n'))
2268 warn(warn_nl, "open");
2271 Fstat(i, &statcache);
2272 len = read(i, tbuf, 512);
2275 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2276 RETPUSHNO; /* special case NFS directories */
2277 RETPUSHYES; /* null file is anything */
2282 /* now scan s to look for textiness */
2283 /* XXX ASCII dependent code */
2285 for (i = 0; i < len; i++, s++) {
2286 if (!*s) { /* null never allowed in text */
2293 *s != '\n' && *s != '\r' && *s != '\b' &&
2294 *s != '\t' && *s != '\f' && *s != 27)
2298 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2306 return pp_fttext(ARGS);
2321 if (!tmps || !*tmps) {
2322 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2324 tmps = SvPV(*svp, na);
2326 if (!tmps || !*tmps) {
2327 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2329 tmps = SvPV(*svp, na);
2331 TAINT_PROPER("chdir");
2332 PUSHi( chdir(tmps) >= 0 );
2334 /* Clear the DEFAULT element of ENV so we'll get the new value
2336 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2343 dSP; dMARK; dTARGET;
2346 value = (I32)apply(op->op_type, MARK, SP);
2351 DIE(no_func, "Unsupported function chown");
2361 TAINT_PROPER("chroot");
2362 PUSHi( chroot(tmps) >= 0 );
2365 DIE(no_func, "chroot");
2371 dSP; dMARK; dTARGET;
2373 value = (I32)apply(op->op_type, MARK, SP);
2381 dSP; dMARK; dTARGET;
2383 value = (I32)apply(op->op_type, MARK, SP);
2391 dSP; dMARK; dTARGET;
2393 value = (I32)apply(op->op_type, MARK, SP);
2405 char *tmps = SvPV(TOPs, na);
2406 TAINT_PROPER("rename");
2408 anum = rename(tmps, tmps2);
2410 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2413 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2414 (void)UNLINK(tmps2);
2415 if (!(anum = link(tmps, tmps2)))
2416 anum = UNLINK(tmps);
2428 char *tmps = SvPV(TOPs, na);
2429 TAINT_PROPER("link");
2430 SETi( link(tmps, tmps2) >= 0 );
2432 DIE(no_func, "Unsupported function link");
2442 char *tmps = SvPV(TOPs, na);
2443 TAINT_PROPER("symlink");
2444 SETi( symlink(tmps, tmps2) >= 0 );
2447 DIE(no_func, "symlink");
2458 len = readlink(tmps, buf, sizeof buf);
2466 RETSETUNDEF; /* just pretend it's a normal file */
2470 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2472 dooneliner(cmd, filename)
2478 *save_filename = filename;
2484 for (s = mybuf+strlen(mybuf); *filename; ) {
2489 myfp = my_popen(mybuf, "r");
2492 /* Need to save/restore 'rs' ?? */
2493 s = sv_gets(tmpsv, myfp, 0);
2494 (void)my_pclose(myfp);
2496 for (errno = 1; errno < sys_nerr; errno++) {
2497 #ifdef HAS_SYS_ERRLIST
2498 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2501 char *errmsg; /* especially if it isn't there */
2504 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2510 #define EACCES EPERM
2512 if (instr(mybuf, "cannot make"))
2513 SETERRNO(EEXIST,RMS$_FEX);
2514 else if (instr(mybuf, "existing file"))
2515 SETERRNO(EEXIST,RMS$_FEX);
2516 else if (instr(mybuf, "ile exists"))
2517 SETERRNO(EEXIST,RMS$_FEX);
2518 else if (instr(mybuf, "non-exist"))
2519 SETERRNO(ENOENT,RMS$_FNF);
2520 else if (instr(mybuf, "does not exist"))
2521 SETERRNO(ENOENT,RMS$_FNF);
2522 else if (instr(mybuf, "not empty"))
2523 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2524 else if (instr(mybuf, "cannot access"))
2525 SETERRNO(EACCES,RMS$_PRV);
2527 SETERRNO(EPERM,RMS$_PRV);
2530 else { /* some mkdirs return no failure indication */
2531 anum = (Stat(save_filename, &statbuf) >= 0);
2532 if (op->op_type == OP_RMDIR)
2537 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2553 char *tmps = SvPV(TOPs, na);
2555 TAINT_PROPER("mkdir");
2557 SETi( mkdir(tmps, mode) >= 0 );
2559 SETi( dooneliner("mkdir", tmps) );
2560 oldumask = umask(0);
2562 chmod(tmps, (mode & ~oldumask) & 0777);
2573 TAINT_PROPER("rmdir");
2575 XPUSHi( rmdir(tmps) >= 0 );
2577 XPUSHi( dooneliner("rmdir", tmps) );
2582 /* Directory calls. */
2587 #if defined(Direntry_t) && defined(HAS_READDIR)
2588 char *dirname = POPp;
2590 register IO *io = GvIOn(gv);
2596 closedir(IoDIRP(io));
2597 if (!(IoDIRP(io) = opendir(dirname)))
2603 SETERRNO(EBADF,RMS$_DIR);
2606 DIE(no_dir_func, "opendir");
2613 #if defined(Direntry_t) && defined(HAS_READDIR)
2615 Direntry_t *readdir _((DIR *));
2617 register Direntry_t *dp;
2619 register IO *io = GvIOn(gv);
2621 if (!io || !IoDIRP(io))
2624 if (GIMME == G_ARRAY) {
2626 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2628 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2630 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2635 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2638 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2640 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2647 SETERRNO(EBADF,RMS$_ISI);
2648 if (GIMME == G_ARRAY)
2653 DIE(no_dir_func, "readdir");
2660 #if defined(HAS_TELLDIR) || defined(telldir)
2661 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2662 long telldir _((DIR *));
2665 register IO *io = GvIOn(gv);
2667 if (!io || !IoDIRP(io))
2670 PUSHi( telldir(IoDIRP(io)) );
2674 SETERRNO(EBADF,RMS$_ISI);
2677 DIE(no_dir_func, "telldir");
2684 #if defined(HAS_SEEKDIR) || defined(seekdir)
2687 register IO *io = GvIOn(gv);
2689 if (!io || !IoDIRP(io))
2692 (void)seekdir(IoDIRP(io), along);
2697 SETERRNO(EBADF,RMS$_ISI);
2700 DIE(no_dir_func, "seekdir");
2707 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2709 register IO *io = GvIOn(gv);
2711 if (!io || !IoDIRP(io))
2714 (void)rewinddir(IoDIRP(io));
2718 SETERRNO(EBADF,RMS$_ISI);
2721 DIE(no_dir_func, "rewinddir");
2728 #if defined(Direntry_t) && defined(HAS_READDIR)
2730 register IO *io = GvIOn(gv);
2732 if (!io || !IoDIRP(io))
2735 #ifdef VOID_CLOSEDIR
2736 closedir(IoDIRP(io));
2738 if (closedir(IoDIRP(io)) < 0) {
2739 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2748 SETERRNO(EBADF,RMS$_IFI);
2751 DIE(no_dir_func, "closedir");
2755 /* Process control. */
2770 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2771 sv_setiv(GvSV(tmpgv), (I32)getpid());
2772 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2777 DIE(no_func, "Unsupported function fork");
2790 childpid = wait(&argflags);
2792 pidgone(childpid, argflags);
2793 value = (I32)childpid;
2794 statusvalue = FIXSTATUS(argflags);
2798 DIE(no_func, "Unsupported function wait");
2813 childpid = wait4pid(childpid, &argflags, optype);
2814 value = (I32)childpid;
2815 statusvalue = FIXSTATUS(argflags);
2819 DIE(no_func, "Unsupported function wait");
2825 dSP; dMARK; dORIGMARK; dTARGET;
2830 Signal_t (*ihand)(); /* place to save signal during system() */
2831 Signal_t (*qhand)(); /* place to save signal during system() */
2833 #if defined(HAS_FORK) && !defined(VMS) && !defined(OS2)
2834 if (SP - MARK == 1) {
2836 char *junk = SvPV(TOPs, na);
2838 TAINT_PROPER("system");
2841 while ((childpid = vfork()) == -1) {
2842 if (errno != EAGAIN) {
2851 ihand = signal(SIGINT, SIG_IGN);
2852 qhand = signal(SIGQUIT, SIG_IGN);
2854 result = wait4pid(childpid, &status, 0);
2855 } while (result == -1 && errno == EINTR);
2856 (void)signal(SIGINT, ihand);
2857 (void)signal(SIGQUIT, qhand);
2858 statusvalue = FIXSTATUS(status);
2862 value = (I32)((unsigned int)status & 0xffff);
2864 do_execfree(); /* free any memory child malloced on vfork */
2869 if (op->op_flags & OPf_STACKED) {
2870 SV *really = *++MARK;
2871 value = (I32)do_aexec(really, MARK, SP);
2873 else if (SP - MARK != 1)
2874 value = (I32)do_aexec(Nullsv, MARK, SP);
2876 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2879 #else /* ! FORK or VMS or OS/2 */
2880 if (op->op_flags & OPf_STACKED) {
2881 SV *really = *++MARK;
2882 value = (I32)do_aspawn(really, MARK, SP);
2884 else if (SP - MARK != 1)
2885 value = (I32)do_aspawn(Nullsv, MARK, SP);
2887 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2889 statusvalue = FIXSTATUS(value);
2893 #endif /* !FORK or VMS */
2899 dSP; dMARK; dORIGMARK; dTARGET;
2902 if (op->op_flags & OPf_STACKED) {
2903 SV *really = *++MARK;
2904 value = (I32)do_aexec(really, MARK, SP);
2906 else if (SP - MARK != 1)
2908 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2910 value = (I32)do_aexec(Nullsv, MARK, SP);
2914 char *junk = SvPV(*SP, na);
2916 TAINT_PROPER("exec");
2919 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2921 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2931 dSP; dMARK; dTARGET;
2934 value = (I32)apply(op->op_type, MARK, SP);
2939 DIE(no_func, "Unsupported function kill");
2947 XPUSHi( getppid() );
2950 DIE(no_func, "getppid");
2966 value = (I32)BSD_GETPGRP(pid);
2969 DIE("POSIX getpgrp can't take an argument");
2970 value = (I32)getpgrp();
2975 DIE(no_func, "getpgrp()");
2994 TAINT_PROPER("setpgrp");
2996 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
2998 if ((pgrp != 0) || (pid != 0)) {
2999 DIE("POSIX setpgrp can't take an argument");
3001 SETi( setpgrp() >= 0 );
3002 #endif /* USE_BSDPGRP */
3005 DIE(no_func, "setpgrp()");
3014 #ifdef HAS_GETPRIORITY
3017 SETi( getpriority(which, who) );
3020 DIE(no_func, "getpriority()");
3030 #ifdef HAS_SETPRIORITY
3034 TAINT_PROPER("setpriority");
3035 SETi( setpriority(which, who, niceval) >= 0 );
3038 DIE(no_func, "setpriority()");
3048 XPUSHn( time(Null(Time_t*)) );
3050 XPUSHi( time(Null(Time_t*)) );
3063 #if defined(MSDOS) || !defined(HAS_TIMES)
3064 DIE("times not implemented");
3069 (void)times(×buf);
3071 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3072 /* struct tms, though same data */
3078 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3079 if (GIMME == G_ARRAY) {
3080 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3081 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3082 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3090 return pp_gmtime(ARGS);
3098 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3099 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3100 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3106 when = (Time_t)SvNVx(POPs);
3108 when = (Time_t)SvIVx(POPs);
3111 if (op->op_type == OP_LOCALTIME)
3112 tmbuf = localtime(&when);
3114 tmbuf = gmtime(&when);
3117 if (GIMME != G_ARRAY) {
3122 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3123 dayname[tmbuf->tm_wday],
3124 monname[tmbuf->tm_mon],
3129 tmbuf->tm_year + 1900);
3130 PUSHp(mybuf, strlen(mybuf));
3133 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3134 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3135 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3136 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3137 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3138 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3139 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3140 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3141 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3152 anum = alarm((unsigned int)anum);
3159 DIE(no_func, "Unsupported function alarm");
3170 (void)time(&lasttime);
3175 sleep((unsigned int)duration);
3178 XPUSHi(when - lasttime);
3182 /* Shared memory. */
3186 return pp_semget(ARGS);
3191 return pp_semctl(ARGS);
3196 return pp_shmwrite(ARGS);
3201 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3202 dSP; dMARK; dTARGET;
3203 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3208 return pp_semget(ARGS);
3212 /* Message passing. */
3216 return pp_semget(ARGS);
3221 return pp_semctl(ARGS);
3226 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3227 dSP; dMARK; dTARGET;
3228 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3233 return pp_semget(ARGS);
3239 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3240 dSP; dMARK; dTARGET;
3241 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3246 return pp_semget(ARGS);
3254 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3255 dSP; dMARK; dTARGET;
3256 int anum = do_ipcget(op->op_type, MARK, SP);
3263 DIE("System V IPC is not implemented on this machine");
3269 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3270 dSP; dMARK; dTARGET;
3271 int anum = do_ipcctl(op->op_type, MARK, SP);
3279 PUSHp("0 but true",10);
3283 return pp_semget(ARGS);
3289 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3290 dSP; dMARK; dTARGET;
3291 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3296 return pp_semget(ARGS);
3300 /* Get system info. */
3305 return pp_ghostent(ARGS);
3307 DIE(no_sock_func, "gethostbyname");
3314 return pp_ghostent(ARGS);
3316 DIE(no_sock_func, "gethostbyaddr");
3324 I32 which = op->op_type;
3325 register char **elem;
3327 struct hostent *gethostbyname();
3328 struct hostent *gethostbyaddr();
3329 #ifdef HAS_GETHOSTENT
3330 struct hostent *gethostent();
3332 struct hostent *hent;
3336 if (which == OP_GHBYNAME) {
3337 hent = gethostbyname(POPp);
3339 else if (which == OP_GHBYADDR) {
3340 int addrtype = POPi;
3343 char *addr = SvPV(addrsv, addrlen);
3345 hent = gethostbyaddr(addr, addrlen, addrtype);
3348 #ifdef HAS_GETHOSTENT
3349 hent = gethostent();
3351 DIE("gethostent not implemented");
3354 #ifdef HOST_NOT_FOUND
3356 statusvalue = FIXSTATUS(h_errno);
3359 if (GIMME != G_ARRAY) {
3360 PUSHs(sv = sv_newmortal());
3362 if (which == OP_GHBYNAME) {
3364 sv_setpvn(sv, hent->h_addr, hent->h_length);
3367 sv_setpv(sv, (char*)hent->h_name);
3373 PUSHs(sv = sv_mortalcopy(&sv_no));
3374 sv_setpv(sv, (char*)hent->h_name);
3375 PUSHs(sv = sv_mortalcopy(&sv_no));
3376 for (elem = hent->h_aliases; elem && *elem; elem++) {
3377 sv_catpv(sv, *elem);
3379 sv_catpvn(sv, " ", 1);
3381 PUSHs(sv = sv_mortalcopy(&sv_no));
3382 sv_setiv(sv, (I32)hent->h_addrtype);
3383 PUSHs(sv = sv_mortalcopy(&sv_no));
3384 len = hent->h_length;
3385 sv_setiv(sv, (I32)len);
3387 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3388 XPUSHs(sv = sv_mortalcopy(&sv_no));
3389 sv_setpvn(sv, *elem, len);
3392 PUSHs(sv = sv_mortalcopy(&sv_no));
3394 sv_setpvn(sv, hent->h_addr, len);
3399 DIE(no_sock_func, "gethostent");
3406 return pp_gnetent(ARGS);
3408 DIE(no_sock_func, "getnetbyname");
3415 return pp_gnetent(ARGS);
3417 DIE(no_sock_func, "getnetbyaddr");
3425 I32 which = op->op_type;
3426 register char **elem;
3428 struct netent *getnetbyname();
3429 struct netent *getnetbyaddr();
3430 struct netent *getnetent();
3431 struct netent *nent;
3433 if (which == OP_GNBYNAME)
3434 nent = getnetbyname(POPp);
3435 else if (which == OP_GNBYADDR) {
3436 int addrtype = POPi;
3437 unsigned long addr = U_L(POPn);
3438 nent = getnetbyaddr((long)addr, addrtype);
3444 if (GIMME != G_ARRAY) {
3445 PUSHs(sv = sv_newmortal());
3447 if (which == OP_GNBYNAME)
3448 sv_setiv(sv, (I32)nent->n_net);
3450 sv_setpv(sv, nent->n_name);
3456 PUSHs(sv = sv_mortalcopy(&sv_no));
3457 sv_setpv(sv, nent->n_name);
3458 PUSHs(sv = sv_mortalcopy(&sv_no));
3459 for (elem = nent->n_aliases; *elem; elem++) {
3460 sv_catpv(sv, *elem);
3462 sv_catpvn(sv, " ", 1);
3464 PUSHs(sv = sv_mortalcopy(&sv_no));
3465 sv_setiv(sv, (I32)nent->n_addrtype);
3466 PUSHs(sv = sv_mortalcopy(&sv_no));
3467 sv_setiv(sv, (I32)nent->n_net);
3472 DIE(no_sock_func, "getnetent");
3479 return pp_gprotoent(ARGS);
3481 DIE(no_sock_func, "getprotobyname");
3488 return pp_gprotoent(ARGS);
3490 DIE(no_sock_func, "getprotobynumber");
3498 I32 which = op->op_type;
3499 register char **elem;
3501 struct protoent *getprotobyname();
3502 struct protoent *getprotobynumber();
3503 struct protoent *getprotoent();
3504 struct protoent *pent;
3506 if (which == OP_GPBYNAME)
3507 pent = getprotobyname(POPp);
3508 else if (which == OP_GPBYNUMBER)
3509 pent = getprotobynumber(POPi);
3511 pent = getprotoent();
3514 if (GIMME != G_ARRAY) {
3515 PUSHs(sv = sv_newmortal());
3517 if (which == OP_GPBYNAME)
3518 sv_setiv(sv, (I32)pent->p_proto);
3520 sv_setpv(sv, pent->p_name);
3526 PUSHs(sv = sv_mortalcopy(&sv_no));
3527 sv_setpv(sv, pent->p_name);
3528 PUSHs(sv = sv_mortalcopy(&sv_no));
3529 for (elem = pent->p_aliases; *elem; elem++) {
3530 sv_catpv(sv, *elem);
3532 sv_catpvn(sv, " ", 1);
3534 PUSHs(sv = sv_mortalcopy(&sv_no));
3535 sv_setiv(sv, (I32)pent->p_proto);
3540 DIE(no_sock_func, "getprotoent");
3547 return pp_gservent(ARGS);
3549 DIE(no_sock_func, "getservbyname");
3556 return pp_gservent(ARGS);
3558 DIE(no_sock_func, "getservbyport");
3566 I32 which = op->op_type;
3567 register char **elem;
3569 struct servent *getservbyname();
3570 struct servent *getservbynumber();
3571 struct servent *getservent();
3572 struct servent *sent;
3574 if (which == OP_GSBYNAME) {
3578 if (proto && !*proto)
3581 sent = getservbyname(name, proto);
3583 else if (which == OP_GSBYPORT) {
3587 sent = getservbyport(port, proto);
3590 sent = getservent();
3593 if (GIMME != G_ARRAY) {
3594 PUSHs(sv = sv_newmortal());
3596 if (which == OP_GSBYNAME) {
3598 sv_setiv(sv, (I32)ntohs(sent->s_port));
3600 sv_setiv(sv, (I32)(sent->s_port));
3604 sv_setpv(sv, sent->s_name);
3610 PUSHs(sv = sv_mortalcopy(&sv_no));
3611 sv_setpv(sv, sent->s_name);
3612 PUSHs(sv = sv_mortalcopy(&sv_no));
3613 for (elem = sent->s_aliases; *elem; elem++) {
3614 sv_catpv(sv, *elem);
3616 sv_catpvn(sv, " ", 1);
3618 PUSHs(sv = sv_mortalcopy(&sv_no));
3620 sv_setiv(sv, (I32)ntohs(sent->s_port));
3622 sv_setiv(sv, (I32)(sent->s_port));
3624 PUSHs(sv = sv_mortalcopy(&sv_no));
3625 sv_setpv(sv, sent->s_proto);
3630 DIE(no_sock_func, "getservent");
3641 DIE(no_sock_func, "sethostent");
3652 DIE(no_sock_func, "setnetent");
3663 DIE(no_sock_func, "setprotoent");
3674 DIE(no_sock_func, "setservent");
3686 DIE(no_sock_func, "endhostent");
3698 DIE(no_sock_func, "endnetent");
3710 DIE(no_sock_func, "endprotoent");
3722 DIE(no_sock_func, "endservent");
3729 return pp_gpwent(ARGS);
3731 DIE(no_func, "getpwnam");
3738 return pp_gpwent(ARGS);
3740 DIE(no_func, "getpwuid");
3748 I32 which = op->op_type;
3750 struct passwd *pwent;
3752 if (which == OP_GPWNAM)
3753 pwent = getpwnam(POPp);
3754 else if (which == OP_GPWUID)
3755 pwent = getpwuid(POPi);
3757 pwent = (struct passwd *)getpwent();
3760 if (GIMME != G_ARRAY) {
3761 PUSHs(sv = sv_newmortal());
3763 if (which == OP_GPWNAM)
3764 sv_setiv(sv, (I32)pwent->pw_uid);
3766 sv_setpv(sv, pwent->pw_name);
3772 PUSHs(sv = sv_mortalcopy(&sv_no));
3773 sv_setpv(sv, pwent->pw_name);
3774 PUSHs(sv = sv_mortalcopy(&sv_no));
3775 sv_setpv(sv, pwent->pw_passwd);
3776 PUSHs(sv = sv_mortalcopy(&sv_no));
3777 sv_setiv(sv, (I32)pwent->pw_uid);
3778 PUSHs(sv = sv_mortalcopy(&sv_no));
3779 sv_setiv(sv, (I32)pwent->pw_gid);
3780 PUSHs(sv = sv_mortalcopy(&sv_no));
3782 sv_setiv(sv, (I32)pwent->pw_change);
3785 sv_setiv(sv, (I32)pwent->pw_quota);
3788 sv_setpv(sv, pwent->pw_age);
3792 PUSHs(sv = sv_mortalcopy(&sv_no));
3794 sv_setpv(sv, pwent->pw_class);
3797 sv_setpv(sv, pwent->pw_comment);
3800 PUSHs(sv = sv_mortalcopy(&sv_no));
3801 sv_setpv(sv, pwent->pw_gecos);
3802 PUSHs(sv = sv_mortalcopy(&sv_no));
3803 sv_setpv(sv, pwent->pw_dir);
3804 PUSHs(sv = sv_mortalcopy(&sv_no));
3805 sv_setpv(sv, pwent->pw_shell);
3807 PUSHs(sv = sv_mortalcopy(&sv_no));
3808 sv_setiv(sv, (I32)pwent->pw_expire);
3813 DIE(no_func, "getpwent");
3824 DIE(no_func, "setpwent");
3835 DIE(no_func, "endpwent");
3842 return pp_ggrent(ARGS);
3844 DIE(no_func, "getgrnam");
3851 return pp_ggrent(ARGS);
3853 DIE(no_func, "getgrgid");
3861 I32 which = op->op_type;
3862 register char **elem;
3864 struct group *grent;
3866 if (which == OP_GGRNAM)
3867 grent = (struct group *)getgrnam(POPp);
3868 else if (which == OP_GGRGID)
3869 grent = (struct group *)getgrgid(POPi);
3871 grent = (struct group *)getgrent();
3874 if (GIMME != G_ARRAY) {
3875 PUSHs(sv = sv_newmortal());
3877 if (which == OP_GGRNAM)
3878 sv_setiv(sv, (I32)grent->gr_gid);
3880 sv_setpv(sv, grent->gr_name);
3886 PUSHs(sv = sv_mortalcopy(&sv_no));
3887 sv_setpv(sv, grent->gr_name);
3888 PUSHs(sv = sv_mortalcopy(&sv_no));
3889 sv_setpv(sv, grent->gr_passwd);
3890 PUSHs(sv = sv_mortalcopy(&sv_no));
3891 sv_setiv(sv, (I32)grent->gr_gid);
3892 PUSHs(sv = sv_mortalcopy(&sv_no));
3893 for (elem = grent->gr_mem; *elem; elem++) {
3894 sv_catpv(sv, *elem);
3896 sv_catpvn(sv, " ", 1);
3902 DIE(no_func, "getgrent");
3913 DIE(no_func, "setgrent");
3924 DIE(no_func, "endgrent");
3934 if (!(tmps = getlogin()))
3936 PUSHp(tmps, strlen(tmps));
3939 DIE(no_func, "getlogin");
3943 /* Miscellaneous. */
3948 dSP; dMARK; dORIGMARK; dTARGET;
3949 register I32 items = SP - MARK;
3950 unsigned long a[20];
3956 while (++MARK <= SP) {
3957 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3958 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
3962 TAINT_PROPER("syscall");
3965 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3966 * or where sizeof(long) != sizeof(char*). But such machines will
3967 * not likely have syscall implemented either, so who cares?
3969 while (++MARK <= SP) {
3970 if (SvNIOK(*MARK) || !i)
3971 a[i++] = SvIV(*MARK);
3972 else if (*MARK == &sv_undef)
3975 a[i++] = (unsigned long)SvPV_force(*MARK, na);
3981 DIE("Too many args to syscall");
3983 DIE("Too few args to syscall");
3985 retval = syscall(a[0]);
3988 retval = syscall(a[0],a[1]);
3991 retval = syscall(a[0],a[1],a[2]);
3994 retval = syscall(a[0],a[1],a[2],a[3]);
3997 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4000 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4003 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4006 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4010 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4013 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4016 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4020 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4024 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4028 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4029 a[10],a[11],a[12],a[13]);
4031 #endif /* atarist */
4037 DIE(no_func, "syscall");
4041 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
4043 /* XXX Emulate flock() with lockf(). This is just to increase
4044 portability of scripts. The calls are not completely
4045 interchangeable. What's really needed is a good file
4049 /* We might need <unistd.h> because it sometimes defines the lockf()
4050 constants. Unfortunately, <unistd.h> causes troubles on some mixed
4051 (BSD/POSIX) systems, such as SunOS 4.1.3. We could just try including
4052 <unistd.h> here in this part of the file, but that might
4053 conflict with various other #defines and includes above, such as
4054 #define vfork fork above.
4056 Further, the lockf() constants aren't POSIX, so they might not be
4057 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4058 just stick in the SVID values and be done with it. Sigh.
4062 # define F_ULOCK 0 /* Unlock a previously locked region */
4065 # define F_LOCK 1 /* Lock a region for exclusive use */
4068 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4071 # define F_TEST 3 /* Test a region for other processes locks */
4074 /* These are the flock() constants. Since this sytems doesn't have
4075 flock(), the values of the constants are probably not available.
4091 lockf_emulate_flock (fd, operation)
4096 switch (operation) {
4098 /* LOCK_SH - get a shared lock */
4100 /* LOCK_EX - get an exclusive lock */
4102 i = lockf (fd, F_LOCK, 0);
4105 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4106 case LOCK_SH|LOCK_NB:
4107 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4108 case LOCK_EX|LOCK_NB:
4109 i = lockf (fd, F_TLOCK, 0);
4111 if ((errno == EAGAIN) || (errno == EACCES))
4112 errno = EWOULDBLOCK;
4115 /* LOCK_UN - unlock */
4117 i = lockf (fd, F_ULOCK, 0);
4120 /* Default - can't decipher operation */