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 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
98 # define my_chsize chsize
109 fp = my_popen(tmps, "r");
111 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
112 if (GIMME == G_SCALAR) {
113 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
123 if (sv_gets(sv, fp, 0) == Nullch) {
127 XPUSHs(sv_2mortal(sv));
128 if (SvLEN(sv) - SvCUR(sv) > 20) {
129 SvLEN_set(sv, SvCUR(sv)+1);
130 Renew(SvPVX(sv), SvLEN(sv), char);
134 statusvalue = FIXSTATUS(my_pclose(fp));
138 if (GIMME == G_SCALAR)
150 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
151 last_in_gv = (GV*)*stack_sp--;
153 SAVESPTR(rs); /* This is not permanent, either. */
154 rs = sv_2mortal(newSVpv("", 1));
161 result = do_readline();
168 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
169 return do_readline();
174 last_in_gv = cGVOP->op_gv;
175 return do_readline();
182 if (SP - MARK != 1) {
184 do_join(TARG, &sv_no, MARK, SP);
185 tmps = SvPV(TARG, na);
189 tmps = SvPV(TOPs, na);
191 if (!tmps || !*tmps) {
192 SV *error = GvSV(errgv);
193 (void)SvUPGRADE(error, SVt_PV);
194 if (SvPOK(error) && SvCUR(error))
195 sv_catpv(error, "\t...caught");
196 tmps = SvPV(error, na);
199 tmps = "Warning: something's wrong";
208 if (SP - MARK != 1) {
210 do_join(TARG, &sv_no, MARK, SP);
211 tmps = SvPV(TARG, na);
215 tmps = SvPV(TOPs, na);
217 if (!tmps || !*tmps) {
218 SV *error = GvSV(errgv);
219 (void)SvUPGRADE(error, SVt_PV);
220 if (SvPOK(error) && SvCUR(error))
221 sv_catpv(error, "\t...propagated");
222 tmps = SvPV(error, na);
241 else if (SvTYPE(TOPs) == SVt_PVGV)
244 DIE(no_usym, "filehandle");
246 if (IoFLAGS(GvIOn(gv)) & IOf_UNTAINT) /* This GV has UNTAINT previously set */
247 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; /* Clear it. We don't carry that over */
248 tmps = SvPV(sv, len);
249 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
250 IoLINES(GvIOp(gv)) = 0;
251 PUSHi( (I32)forkprocess );
253 else if (forkprocess == 0) /* we are a new child */
270 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
290 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
291 DIE(no_usym, "filehandle");
296 do_close(rgv, FALSE);
298 do_close(wgv, FALSE);
303 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
304 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
305 IoIFP(wstio) = IoOFP(wstio);
309 if (!IoIFP(rstio) || !IoOFP(wstio)) {
310 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
312 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
322 DIE(no_func, "pipe");
335 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
337 PUSHi(PerlIO_fileno(fp));
353 TAINT_PROPER("umask");
356 DIE(no_func, "Unsupported function umask");
374 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
379 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
384 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
390 #if defined(USEMYBINMODE)
391 if (my_binmode(fp,IoTYPE(io)) != NULL)
410 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
411 I32 markoff = mark - stack_base - 1;
415 if (SvTYPE(varsv) == SVt_PVHV)
416 methname = "TIEHASH";
417 else if (SvTYPE(varsv) == SVt_PVAV)
418 methname = "TIEARRAY";
419 else if (SvTYPE(varsv) == SVt_PVGV)
420 methname = "TIEHANDLE";
422 methname = "TIESCALAR";
424 stash = gv_stashsv(mark[1], FALSE);
425 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
426 DIE("Can't locate object method \"%s\" via package \"%s\"",
427 methname, SvPV(mark[1],na));
429 Zero(&myop, 1, BINOP);
430 myop.op_last = (OP *) &myop;
431 myop.op_next = Nullop;
432 myop.op_flags = OPf_KNOW|OPf_STACKED;
437 if (perldb && curstash != debstash)
438 op->op_private |= OPpENTERSUB_DB;
443 if (op = pp_entersub())
448 if (sv_isobject(sv)) {
449 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
450 sv_unmagic(varsv, 'P');
451 sv_magic(varsv, sv, 'P', Nullch, 0);
454 sv_unmagic(varsv, 'q');
455 sv_magic(varsv, sv, 'q', Nullch, 0);
459 SP = stack_base + markoff;
470 if (hints & HINT_STRICT_UNTIE)
474 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
475 mg = mg_find(sv, 'P') ;
477 mg = mg_find(sv, 'q') ;
479 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
480 croak("Can't untie: %d inner references still exist",
481 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
485 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
500 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
501 mg = mg_find(sv, 'P') ;
503 mg = mg_find(sv, 'q') ;
506 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
526 sv = sv_mortalcopy(&sv_no);
527 sv_setpv(sv, "AnyDBM_File");
528 stash = gv_stashsv(sv, FALSE);
529 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
531 perl_require_pv("AnyDBM_File.pm");
533 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
534 DIE("No dbm on this machine");
537 Zero(&myop, 1, BINOP);
538 myop.op_last = (OP *) &myop;
539 myop.op_next = Nullop;
540 myop.op_flags = OPf_KNOW|OPf_STACKED;
545 if (perldb && curstash != debstash)
546 op->op_private |= OPpENTERSUB_DB;
554 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
556 PUSHs(sv_2mortal(newSViv(O_RDWR)));
561 if (op = pp_entersub())
565 if (!sv_isobject(TOPs)) {
573 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
578 if (op = pp_entersub())
583 if (sv_isobject(TOPs))
584 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
591 return pp_untie(ARGS);
605 struct timeval timebuf;
606 struct timeval *tbuf = &timebuf;
609 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
614 # if BYTEORDER & 0xf0000
615 # define ORDERBYTE (0x88888888 - BYTEORDER)
617 # define ORDERBYTE (0x4444 - BYTEORDER)
623 for (i = 1; i <= 3; i++) {
631 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
633 growsize = sizeof(fd_set);
635 growsize = maxlen; /* little endians can use vecs directly */
644 masksize = NFDBITS / NBBY;
646 masksize = sizeof(long); /* documented int, everyone seems to use long */
648 growsize = maxlen + (masksize - (maxlen % masksize));
649 Zero(&fd_sets[0], 4, char*);
657 timebuf.tv_sec = (long)value;
658 value -= (double)timebuf.tv_sec;
659 timebuf.tv_usec = (long)(value * 1000000.0);
662 tbuf = Null(struct timeval*);
664 for (i = 1; i <= 3; i++) {
671 SvPV_force(sv,na); /* force string conversion */
674 Sv_Grow(sv, growsize);
678 while (++j <= growsize) {
682 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
684 New(403, fd_sets[i], growsize, char);
685 for (offset = 0; offset < growsize; offset += masksize) {
686 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
687 fd_sets[i][j+offset] = s[(k % masksize) + offset];
690 fd_sets[i] = SvPVX(sv);
696 (Select_fd_set_t) fd_sets[1],
697 (Select_fd_set_t) fd_sets[2],
698 (Select_fd_set_t) fd_sets[3],
700 for (i = 1; i <= 3; i++) {
703 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
705 for (offset = 0; offset < growsize; offset += masksize) {
706 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
707 s[(k % masksize) + offset] = fd_sets[i][j+offset];
709 Safefree(fd_sets[i]);
716 if (GIMME == G_ARRAY && tbuf) {
717 value = (double)(timebuf.tv_sec) +
718 (double)(timebuf.tv_usec) / 1000000.0;
719 PUSHs(sv = sv_mortalcopy(&sv_no));
724 DIE("select not implemented");
733 (void)SvREFCNT_inc(gv);
735 SvREFCNT_dec(defoutgv);
745 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
747 egv = GvEGV(defoutgv);
754 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
755 if (gvp && *gvp == egv)
756 gv_efullname3(TARG, defoutgv, Nullch);
758 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
763 if (!GvIO(newdefout))
765 setdefout(newdefout);
782 if (!gv || do_eof(gv)) /* make sure we have fp with something */
786 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
793 return pp_sysread(ARGS);
802 register CONTEXT *cx;
804 AV* padlist = CvPADLIST(cv);
805 SV** svp = AvARRAY(padlist);
811 PUSHBLOCK(cx, CXt_SUB, stack_sp);
814 curpad = AvARRAY((AV*)svp[1]);
816 setdefout(gv); /* locally select filehandle so $% et al work */
849 SV *tmpsv = sv_newmortal();
850 gv_efullname3(tmpsv, fgv, Nullch);
851 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
853 DIE("Not a format reference");
855 IoFLAGS(io) &= ~IOf_DIDTOP;
857 return doform(cv,gv,op->op_next);
863 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
864 register IO *io = GvIOp(gv);
865 PerlIO *ofp = IoOFP(io);
869 register CONTEXT *cx;
871 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
872 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
873 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
874 formtarget != toptarget)
882 if (!IoTOP_NAME(io)) {
884 IoFMT_NAME(io) = savepv(GvNAME(gv));
885 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
886 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
887 if ((topgv && GvFORM(topgv)) ||
888 !gv_fetchpv("top",FALSE,SVt_PVFM))
889 IoTOP_NAME(io) = savepv(tmpbuf);
891 IoTOP_NAME(io) = savepv("top");
893 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
894 if (!topgv || !GvFORM(topgv)) {
895 IoLINES_LEFT(io) = 100000000;
898 IoTOP_GV(io) = topgv;
900 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
901 I32 lines = IoLINES_LEFT(io);
902 char *s = SvPVX(formtarget);
903 if (lines <= 0) /* Yow, header didn't even fit!!! */
905 while (lines-- > 0) {
912 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
913 sv_chop(formtarget, s);
914 FmLINES(formtarget) -= IoLINES_LEFT(io);
917 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
918 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
919 IoLINES_LEFT(io) = IoPAGE_LEN(io);
921 formtarget = toptarget;
922 IoFLAGS(io) |= IOf_DIDTOP;
925 DIE("bad top format reference");
928 SV *tmpsv = sv_newmortal();
929 gv_efullname3(tmpsv, fgv, Nullch);
930 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
932 return doform(cv,gv,op);
944 warn("Filehandle only opened for input");
946 warn("Write on closed filehandle");
951 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
953 warn("page overflow");
955 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
959 FmLINES(formtarget) = 0;
960 SvCUR_set(formtarget, 0);
961 *SvEND(formtarget) = '\0';
962 if (IoFLAGS(io) & IOf_FLUSH)
963 (void)PerlIO_flush(fp);
967 formtarget = bodytarget;
974 dSP; dMARK; dORIGMARK;
980 if (op->op_flags & OPf_STACKED)
984 if (!(io = GvIO(gv))) {
986 gv_fullname3(sv, gv, Nullch);
987 warn("Filehandle %s never opened", SvPV(sv,na));
989 SETERRNO(EBADF,RMS$_IFI);
992 else if (!(fp = IoOFP(io))) {
994 gv_fullname3(sv, gv, Nullch);
996 warn("Filehandle %s opened only for input", SvPV(sv,na));
998 warn("printf on closed filehandle %s", SvPV(sv,na));
1000 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1004 do_sprintf(sv, SP - MARK, MARK + 1);
1005 if (!do_print(sv, fp))
1008 if (IoFLAGS(io) & IOf_FLUSH)
1009 if (PerlIO_flush(fp) == EOF)
1041 tmps = SvPV(sv, len);
1042 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1043 IoLINES(GvIOp(gv)) = 0;
1054 dSP; dMARK; dORIGMARK; dTARGET;
1068 buffer = SvPV_force(bufsv, blen);
1069 length = SvIVx(*++MARK);
1071 DIE("Negative length");
1074 offset = SvIVx(*++MARK);
1078 if (!io || !IoIFP(io))
1081 if (op->op_type == OP_RECV) {
1082 bufsize = sizeof buf;
1083 buffer = SvGROW(bufsv, length+1);
1084 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1085 (struct sockaddr *)buf, &bufsize);
1088 SvCUR_set(bufsv, length);
1089 *SvEND(bufsv) = '\0';
1090 (void)SvPOK_only(bufsv);
1092 /* This should not be marked tainted if the fp is marked clean */
1093 if (tainting && !(IoFLAGS(io) & IOf_UNTAINT))
1094 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1096 sv_setpvn(TARG, buf, bufsize);
1101 if (op->op_type == OP_RECV)
1102 DIE(no_sock_func, "recv");
1104 bufsize = SvCUR(bufsv);
1105 buffer = SvGROW(bufsv, length+offset+1);
1106 if (offset > bufsize) { /* Zero any newly allocated space */
1107 Zero(buffer+bufsize, offset-bufsize, char);
1109 if (op->op_type == OP_SYSREAD) {
1110 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1113 #ifdef HAS_SOCKET__bad_code_maybe
1114 if (IoTYPE(io) == 's') {
1115 bufsize = sizeof buf;
1116 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1117 (struct sockaddr *)buf, &bufsize);
1121 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1124 SvCUR_set(bufsv, length+offset);
1125 *SvEND(bufsv) = '\0';
1126 (void)SvPOK_only(bufsv);
1128 /* This should not be marked tainted if the fp is marked clean */
1129 if (tainting && !(IoFLAGS(io) & IOf_UNTAINT))
1130 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1142 return pp_send(ARGS);
1147 dSP; dMARK; dORIGMARK; dTARGET;
1160 buffer = SvPV(bufsv, blen);
1161 length = SvIVx(*++MARK);
1163 DIE("Negative length");
1166 if (!io || !IoIFP(io)) {
1169 if (op->op_type == OP_SYSWRITE)
1170 warn("Syswrite on closed filehandle");
1172 warn("Send on closed socket");
1175 else if (op->op_type == OP_SYSWRITE) {
1177 offset = SvIVx(*++MARK);
1180 if (length > blen - offset)
1181 length = blen - offset;
1182 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1185 else if (SP > MARK) {
1188 sockbuf = SvPVx(*++MARK, mlen);
1189 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1190 (struct sockaddr *)sockbuf, mlen);
1193 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1196 DIE(no_sock_func, "send");
1211 return pp_sysread(ARGS);
1222 gv = last_in_gv = (GV*)POPs;
1223 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1235 gv = last_in_gv = (GV*)POPs;
1236 PUSHi( do_tell(gv) );
1247 gv = last_in_gv = (GV*)POPs;
1248 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1255 Off_t len = (Off_t)POPn;
1260 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1261 if (op->op_flags & OPf_SPECIAL) {
1262 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1264 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1266 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1268 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1274 if (SvTYPE(sv) == SVt_PVGV) {
1275 tmpgv = (GV*)sv; /* *main::FRED for example */
1278 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1279 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1283 if (truncate (SvPV (sv, na), len) < 0)
1289 if ((tmpfd = open(SvPV (sv, na), 0)) < 0)
1292 if (my_chsize(tmpfd, len) < 0)
1303 SETERRNO(EBADF,RMS$_IFI);
1306 DIE("truncate not implemented");
1312 return pp_ioctl(ARGS);
1319 unsigned int func = U_I(POPn);
1320 int optype = op->op_type;
1326 if (!io || !argsv || !IoIFP(io)) {
1327 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1331 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1333 s = SvPV_force(argsv, len);
1334 retval = IOCPARM_LEN(func);
1336 s = Sv_Grow(argsv, retval+1);
1337 SvCUR_set(argsv, retval);
1340 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1343 retval = SvIV(argsv);
1345 s = (char*)(long)retval; /* ouch */
1347 s = (char*)retval; /* ouch */
1351 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1353 if (optype == OP_IOCTL)
1355 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1357 DIE("ioctl is not implemented");
1360 #if defined(DOSISH) && !defined(OS2)
1361 DIE("fcntl is not implemented");
1364 # if defined(OS2) && defined(__EMX__)
1365 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1367 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1370 DIE("fcntl is not implemented");
1375 if (s[SvCUR(argsv)] != 17)
1376 DIE("Possible memory corruption: %s overflowed 3rd argument",
1378 s[SvCUR(argsv)] = 0; /* put our null back */
1379 SvSETMAGIC(argsv); /* Assume it has changed */
1388 PUSHp("0 but true", 10);
1401 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
1402 # define flock lockf_emulate_flock
1405 #if defined(HAS_FLOCK) || defined(flock)
1412 fp = IoIFP(GvIOp(gv));
1416 value = (I32)(flock(PerlIO_fileno(fp), argtype) >= 0);
1423 DIE(no_func, "flock()");
1435 int protocol = POPi;
1443 SETERRNO(EBADF,LIB$_INVARG);
1449 do_close(gv, FALSE);
1451 TAINT_PROPER("socket");
1452 fd = socket(domain, type, protocol);
1455 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1456 IoOFP(io) = PerlIO_fdopen(fd, "w");
1458 if (!IoIFP(io) || !IoOFP(io)) {
1459 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1460 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1461 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1467 DIE(no_sock_func, "socket");
1474 #ifdef HAS_SOCKETPAIR
1479 int protocol = POPi;
1492 do_close(gv1, FALSE);
1494 do_close(gv2, FALSE);
1496 TAINT_PROPER("socketpair");
1497 if (socketpair(domain, type, protocol, fd) < 0)
1499 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1500 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1502 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1503 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1505 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1506 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1507 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1508 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1509 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1510 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1511 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1517 DIE(no_sock_func, "socketpair");
1528 register IO *io = GvIOn(gv);
1531 if (!io || !IoIFP(io))
1534 addr = SvPV(addrsv, len);
1535 TAINT_PROPER("bind");
1536 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1543 warn("bind() on closed fd");
1544 SETERRNO(EBADF,SS$_IVCHAN);
1547 DIE(no_sock_func, "bind");
1558 register IO *io = GvIOn(gv);
1561 if (!io || !IoIFP(io))
1564 addr = SvPV(addrsv, len);
1565 TAINT_PROPER("connect");
1566 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1573 warn("connect() on closed fd");
1574 SETERRNO(EBADF,SS$_IVCHAN);
1577 DIE(no_sock_func, "connect");
1587 register IO *io = GvIOn(gv);
1589 if (!io || !IoIFP(io))
1592 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1599 warn("listen() on closed fd");
1600 SETERRNO(EBADF,SS$_IVCHAN);
1603 DIE(no_sock_func, "listen");
1615 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1616 int len = sizeof saddr;
1628 if (!gstio || !IoIFP(gstio))
1633 do_close(ngv, FALSE);
1635 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1638 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1639 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1640 IoTYPE(nstio) = 's';
1641 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1642 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1643 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1644 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1648 PUSHp((char *)&saddr, len);
1653 warn("accept() on closed fd");
1654 SETERRNO(EBADF,SS$_IVCHAN);
1660 DIE(no_sock_func, "accept");
1670 register IO *io = GvIOn(gv);
1672 if (!io || !IoIFP(io))
1675 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1680 warn("shutdown() on closed fd");
1681 SETERRNO(EBADF,SS$_IVCHAN);
1684 DIE(no_sock_func, "shutdown");
1691 return pp_ssockopt(ARGS);
1693 DIE(no_sock_func, "getsockopt");
1701 int optype = op->op_type;
1704 unsigned int optname;
1710 if (optype == OP_GSOCKOPT)
1711 sv = sv_2mortal(NEWSV(22, 257));
1714 optname = (unsigned int) POPi;
1715 lvl = (unsigned int) POPi;
1719 if (!io || !IoIFP(io))
1722 fd = PerlIO_fileno(IoIFP(io));
1726 (void)SvPOK_only(sv);
1730 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1740 buf = SvPV(sv, len);
1741 else if (SvOK(sv)) {
1742 aint = (int)SvIV(sv);
1746 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1756 warn("[gs]etsockopt() on closed fd");
1757 SETERRNO(EBADF,SS$_IVCHAN);
1762 DIE(no_sock_func, "setsockopt");
1769 return pp_getpeername(ARGS);
1771 DIE(no_sock_func, "getsockname");
1779 int optype = op->op_type;
1783 register IO *io = GvIOn(gv);
1786 if (!io || !IoIFP(io))
1789 sv = sv_2mortal(NEWSV(22, 257));
1790 (void)SvPOK_only(sv);
1794 fd = PerlIO_fileno(IoIFP(io));
1796 case OP_GETSOCKNAME:
1797 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1800 case OP_GETPEERNAME:
1801 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1812 warn("get{sock, peer}name() on closed fd");
1813 SETERRNO(EBADF,SS$_IVCHAN);
1818 DIE(no_sock_func, "getpeername");
1826 return pp_stat(ARGS);
1835 if (op->op_flags & OPf_REF) {
1836 tmpgv = cGVOP->op_gv;
1838 if (tmpgv != defgv) {
1839 laststype = OP_STAT;
1841 sv_setpv(statname, "");
1842 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1843 Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1848 else if (laststatval < 0)
1853 if (SvTYPE(sv) == SVt_PVGV) {
1857 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1858 tmpgv = (GV*)SvRV(sv);
1861 sv_setpv(statname, SvPV(sv,na));
1864 laststype = op->op_type;
1865 if (op->op_type == OP_LSTAT)
1866 laststatval = lstat(SvPV(statname, na), &statcache);
1869 laststatval = Stat(SvPV(statname, na), &statcache);
1870 if (laststatval < 0) {
1871 if (dowarn && strchr(SvPV(statname, na), '\n'))
1872 warn(warn_nl, "stat");
1878 if (GIMME != G_ARRAY) {
1885 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1886 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1887 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1888 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1889 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1890 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1891 #ifdef USE_STAT_RDEV
1892 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1894 PUSHs(sv_2mortal(newSVpv("", 0)));
1896 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1898 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1899 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1900 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1902 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1903 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1904 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1906 #ifdef USE_STAT_BLOCKS
1907 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1908 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1910 PUSHs(sv_2mortal(newSVpv("", 0)));
1911 PUSHs(sv_2mortal(newSVpv("", 0)));
1919 I32 result = my_stat(ARGS);
1923 if (cando(S_IRUSR, 0, &statcache))
1930 I32 result = my_stat(ARGS);
1934 if (cando(S_IWUSR, 0, &statcache))
1941 I32 result = my_stat(ARGS);
1945 if (cando(S_IXUSR, 0, &statcache))
1952 I32 result = my_stat(ARGS);
1956 if (cando(S_IRUSR, 1, &statcache))
1963 I32 result = my_stat(ARGS);
1967 if (cando(S_IWUSR, 1, &statcache))
1974 I32 result = my_stat(ARGS);
1978 if (cando(S_IXUSR, 1, &statcache))
1985 I32 result = my_stat(ARGS);
1994 return pp_ftrowned(ARGS);
1999 I32 result = my_stat(ARGS);
2003 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2010 I32 result = my_stat(ARGS);
2014 if (!statcache.st_size)
2021 I32 result = my_stat(ARGS);
2025 PUSHi(statcache.st_size);
2031 I32 result = my_stat(ARGS);
2035 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2041 I32 result = my_stat(ARGS);
2045 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2051 I32 result = my_stat(ARGS);
2055 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2061 I32 result = my_stat(ARGS);
2065 if (S_ISSOCK(statcache.st_mode))
2072 I32 result = my_stat(ARGS);
2076 if (S_ISCHR(statcache.st_mode))
2083 I32 result = my_stat(ARGS);
2087 if (S_ISBLK(statcache.st_mode))
2094 I32 result = my_stat(ARGS);
2098 if (S_ISREG(statcache.st_mode))
2105 I32 result = my_stat(ARGS);
2109 if (S_ISDIR(statcache.st_mode))
2116 I32 result = my_stat(ARGS);
2120 if (S_ISFIFO(statcache.st_mode))
2127 I32 result = my_lstat(ARGS);
2131 if (S_ISLNK(statcache.st_mode))
2140 I32 result = my_stat(ARGS);
2144 if (statcache.st_mode & S_ISUID)
2154 I32 result = my_stat(ARGS);
2158 if (statcache.st_mode & S_ISGID)
2168 I32 result = my_stat(ARGS);
2172 if (statcache.st_mode & S_ISVTX)
2184 if (op->op_flags & OPf_REF) {
2189 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2190 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2191 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2192 else if (isDIGIT(*tmps))
2201 #if defined(atarist) /* this will work with atariST. Configure will
2202 make guesses for other systems. */
2203 # define FILE_base(f) ((f)->_base)
2204 # define FILE_ptr(f) ((f)->_ptr)
2205 # define FILE_cnt(f) ((f)->_cnt)
2206 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2216 register STDCHAR *s;
2220 if (op->op_flags & OPf_REF) {
2222 if (cGVOP->op_gv == defgv) {
2227 goto really_filename;
2231 statgv = cGVOP->op_gv;
2232 sv_setpv(statname, "");
2235 if (io && IoIFP(io)) {
2236 if (PerlIO_has_base(IoIFP(io))) {
2237 Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2238 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2239 if (op->op_type == OP_FTTEXT)
2243 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2244 i = PerlIO_getc(IoIFP(io));
2246 (void)PerlIO_ungetc(IoIFP(io),i);
2248 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2250 len = PerlIO_get_bufsiz(IoIFP(io));
2251 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2252 /* sfio can have large buffers - limit to 512 */
2257 DIE("-T and -B not implemented on filehandles");
2262 warn("Test on unopened file <%s>",
2263 GvENAME(cGVOP->op_gv));
2264 SETERRNO(EBADF,RMS$_IFI);
2271 sv_setpv(statname, SvPV(sv, na));
2274 i = open(SvPV(sv, na), O_RDONLY, 0);
2276 i = open(SvPV(sv, na), 0);
2279 if (dowarn && strchr(SvPV(sv, na), '\n'))
2280 warn(warn_nl, "open");
2283 Fstat(i, &statcache);
2284 len = read(i, tbuf, 512);
2287 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2288 RETPUSHNO; /* special case NFS directories */
2289 RETPUSHYES; /* null file is anything */
2294 /* now scan s to look for textiness */
2295 /* XXX ASCII dependent code */
2297 for (i = 0; i < len; i++, s++) {
2298 if (!*s) { /* null never allowed in text */
2305 *s != '\n' && *s != '\r' && *s != '\b' &&
2306 *s != '\t' && *s != '\f' && *s != 27)
2310 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2318 return pp_fttext(ARGS);
2333 if (!tmps || !*tmps) {
2334 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2336 tmps = SvPV(*svp, na);
2338 if (!tmps || !*tmps) {
2339 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2341 tmps = SvPV(*svp, na);
2343 TAINT_PROPER("chdir");
2344 PUSHi( chdir(tmps) >= 0 );
2346 /* Clear the DEFAULT element of ENV so we'll get the new value
2348 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2355 dSP; dMARK; dTARGET;
2358 value = (I32)apply(op->op_type, MARK, SP);
2363 DIE(no_func, "Unsupported function chown");
2373 TAINT_PROPER("chroot");
2374 PUSHi( chroot(tmps) >= 0 );
2377 DIE(no_func, "chroot");
2383 dSP; dMARK; dTARGET;
2385 value = (I32)apply(op->op_type, MARK, SP);
2393 dSP; dMARK; dTARGET;
2395 value = (I32)apply(op->op_type, MARK, SP);
2403 dSP; dMARK; dTARGET;
2405 value = (I32)apply(op->op_type, MARK, SP);
2417 char *tmps = SvPV(TOPs, na);
2418 TAINT_PROPER("rename");
2420 anum = rename(tmps, tmps2);
2422 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2425 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2426 (void)UNLINK(tmps2);
2427 if (!(anum = link(tmps, tmps2)))
2428 anum = UNLINK(tmps);
2440 char *tmps = SvPV(TOPs, na);
2441 TAINT_PROPER("link");
2442 SETi( link(tmps, tmps2) >= 0 );
2444 DIE(no_func, "Unsupported function link");
2454 char *tmps = SvPV(TOPs, na);
2455 TAINT_PROPER("symlink");
2456 SETi( symlink(tmps, tmps2) >= 0 );
2459 DIE(no_func, "symlink");
2470 len = readlink(tmps, buf, sizeof buf);
2478 RETSETUNDEF; /* just pretend it's a normal file */
2482 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2484 dooneliner(cmd, filename)
2490 *save_filename = filename;
2496 for (s = mybuf+strlen(mybuf); *filename; ) {
2501 myfp = my_popen(mybuf, "r");
2504 /* Need to save/restore 'rs' ?? */
2505 s = sv_gets(tmpsv, myfp, 0);
2506 (void)my_pclose(myfp);
2508 for (errno = 1; errno < sys_nerr; errno++) {
2509 #ifdef HAS_SYS_ERRLIST
2510 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2513 char *errmsg; /* especially if it isn't there */
2516 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2522 #define EACCES EPERM
2524 if (instr(mybuf, "cannot make"))
2525 SETERRNO(EEXIST,RMS$_FEX);
2526 else if (instr(mybuf, "existing file"))
2527 SETERRNO(EEXIST,RMS$_FEX);
2528 else if (instr(mybuf, "ile exists"))
2529 SETERRNO(EEXIST,RMS$_FEX);
2530 else if (instr(mybuf, "non-exist"))
2531 SETERRNO(ENOENT,RMS$_FNF);
2532 else if (instr(mybuf, "does not exist"))
2533 SETERRNO(ENOENT,RMS$_FNF);
2534 else if (instr(mybuf, "not empty"))
2535 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2536 else if (instr(mybuf, "cannot access"))
2537 SETERRNO(EACCES,RMS$_PRV);
2539 SETERRNO(EPERM,RMS$_PRV);
2542 else { /* some mkdirs return no failure indication */
2543 anum = (Stat(save_filename, &statbuf) >= 0);
2544 if (op->op_type == OP_RMDIR)
2549 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2565 char *tmps = SvPV(TOPs, na);
2567 TAINT_PROPER("mkdir");
2569 SETi( mkdir(tmps, mode) >= 0 );
2571 SETi( dooneliner("mkdir", tmps) );
2572 oldumask = umask(0);
2574 chmod(tmps, (mode & ~oldumask) & 0777);
2585 TAINT_PROPER("rmdir");
2587 XPUSHi( rmdir(tmps) >= 0 );
2589 XPUSHi( dooneliner("rmdir", tmps) );
2594 /* Directory calls. */
2599 #if defined(Direntry_t) && defined(HAS_READDIR)
2600 char *dirname = POPp;
2602 register IO *io = GvIOn(gv);
2608 closedir(IoDIRP(io));
2609 if (!(IoDIRP(io) = opendir(dirname)))
2615 SETERRNO(EBADF,RMS$_DIR);
2618 DIE(no_dir_func, "opendir");
2625 #if defined(Direntry_t) && defined(HAS_READDIR)
2627 Direntry_t *readdir _((DIR *));
2629 register Direntry_t *dp;
2631 register IO *io = GvIOn(gv);
2633 if (!io || !IoDIRP(io))
2636 if (GIMME == G_ARRAY) {
2638 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2640 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2642 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2647 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2650 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2652 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2659 SETERRNO(EBADF,RMS$_ISI);
2660 if (GIMME == G_ARRAY)
2665 DIE(no_dir_func, "readdir");
2672 #if defined(HAS_TELLDIR) || defined(telldir)
2673 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2674 long telldir _((DIR *));
2677 register IO *io = GvIOn(gv);
2679 if (!io || !IoDIRP(io))
2682 PUSHi( telldir(IoDIRP(io)) );
2686 SETERRNO(EBADF,RMS$_ISI);
2689 DIE(no_dir_func, "telldir");
2696 #if defined(HAS_SEEKDIR) || defined(seekdir)
2699 register IO *io = GvIOn(gv);
2701 if (!io || !IoDIRP(io))
2704 (void)seekdir(IoDIRP(io), along);
2709 SETERRNO(EBADF,RMS$_ISI);
2712 DIE(no_dir_func, "seekdir");
2719 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2721 register IO *io = GvIOn(gv);
2723 if (!io || !IoDIRP(io))
2726 (void)rewinddir(IoDIRP(io));
2730 SETERRNO(EBADF,RMS$_ISI);
2733 DIE(no_dir_func, "rewinddir");
2740 #if defined(Direntry_t) && defined(HAS_READDIR)
2742 register IO *io = GvIOn(gv);
2744 if (!io || !IoDIRP(io))
2747 #ifdef VOID_CLOSEDIR
2748 closedir(IoDIRP(io));
2750 if (closedir(IoDIRP(io)) < 0) {
2751 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2760 SETERRNO(EBADF,RMS$_IFI);
2763 DIE(no_dir_func, "closedir");
2767 /* Process control. */
2782 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2783 sv_setiv(GvSV(tmpgv), (I32)getpid());
2784 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2789 DIE(no_func, "Unsupported function fork");
2802 childpid = wait(&argflags);
2804 pidgone(childpid, argflags);
2805 value = (I32)childpid;
2806 statusvalue = FIXSTATUS(argflags);
2810 DIE(no_func, "Unsupported function wait");
2825 childpid = wait4pid(childpid, &argflags, optype);
2826 value = (I32)childpid;
2827 statusvalue = FIXSTATUS(argflags);
2831 DIE(no_func, "Unsupported function wait");
2837 dSP; dMARK; dORIGMARK; dTARGET;
2842 Signal_t (*ihand)(); /* place to save signal during system() */
2843 Signal_t (*qhand)(); /* place to save signal during system() */
2845 #if defined(HAS_FORK) && !defined(VMS) && !defined(OS2)
2846 if (SP - MARK == 1) {
2848 char *junk = SvPV(TOPs, na);
2850 TAINT_PROPER("system");
2853 while ((childpid = vfork()) == -1) {
2854 if (errno != EAGAIN) {
2863 ihand = signal(SIGINT, SIG_IGN);
2864 qhand = signal(SIGQUIT, SIG_IGN);
2866 result = wait4pid(childpid, &status, 0);
2867 } while (result == -1 && errno == EINTR);
2868 (void)signal(SIGINT, ihand);
2869 (void)signal(SIGQUIT, qhand);
2870 statusvalue = FIXSTATUS(status);
2874 value = (I32)((unsigned int)status & 0xffff);
2876 do_execfree(); /* free any memory child malloced on vfork */
2881 if (op->op_flags & OPf_STACKED) {
2882 SV *really = *++MARK;
2883 value = (I32)do_aexec(really, MARK, SP);
2885 else if (SP - MARK != 1)
2886 value = (I32)do_aexec(Nullsv, MARK, SP);
2888 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2891 #else /* ! FORK or VMS or OS/2 */
2892 if (op->op_flags & OPf_STACKED) {
2893 SV *really = *++MARK;
2894 value = (I32)do_aspawn(really, MARK, SP);
2896 else if (SP - MARK != 1)
2897 value = (I32)do_aspawn(Nullsv, MARK, SP);
2899 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2901 statusvalue = FIXSTATUS(value);
2905 #endif /* !FORK or VMS */
2911 dSP; dMARK; dORIGMARK; dTARGET;
2914 if (op->op_flags & OPf_STACKED) {
2915 SV *really = *++MARK;
2916 value = (I32)do_aexec(really, MARK, SP);
2918 else if (SP - MARK != 1)
2920 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2922 value = (I32)do_aexec(Nullsv, MARK, SP);
2926 char *junk = SvPV(*SP, na);
2928 TAINT_PROPER("exec");
2931 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2933 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2943 dSP; dMARK; dTARGET;
2946 value = (I32)apply(op->op_type, MARK, SP);
2951 DIE(no_func, "Unsupported function kill");
2959 XPUSHi( getppid() );
2962 DIE(no_func, "getppid");
2978 value = (I32)BSD_GETPGRP(pid);
2981 DIE("POSIX getpgrp can't take an argument");
2982 value = (I32)getpgrp();
2987 DIE(no_func, "getpgrp()");
3006 TAINT_PROPER("setpgrp");
3008 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3010 if ((pgrp != 0) || (pid != 0)) {
3011 DIE("POSIX setpgrp can't take an argument");
3013 SETi( setpgrp() >= 0 );
3014 #endif /* USE_BSDPGRP */
3017 DIE(no_func, "setpgrp()");
3026 #ifdef HAS_GETPRIORITY
3029 SETi( getpriority(which, who) );
3032 DIE(no_func, "getpriority()");
3042 #ifdef HAS_SETPRIORITY
3046 TAINT_PROPER("setpriority");
3047 SETi( setpriority(which, who, niceval) >= 0 );
3050 DIE(no_func, "setpriority()");
3060 XPUSHn( time(Null(Time_t*)) );
3062 XPUSHi( time(Null(Time_t*)) );
3067 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3068 to HZ. Probably. For now, assume that if the system
3069 defines HZ, it does so correctly. (Will this break
3071 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3072 it's supported. --AD 9/96.
3087 #if defined(MSDOS) || !defined(HAS_TIMES)
3088 DIE("times not implemented");
3093 (void)times(×buf);
3095 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3096 /* struct tms, though same data */
3100 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3101 if (GIMME == G_ARRAY) {
3102 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3103 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3104 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3112 return pp_gmtime(ARGS);
3120 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3121 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3122 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3128 when = (Time_t)SvNVx(POPs);
3130 when = (Time_t)SvIVx(POPs);
3133 if (op->op_type == OP_LOCALTIME)
3134 tmbuf = localtime(&when);
3136 tmbuf = gmtime(&when);
3139 if (GIMME != G_ARRAY) {
3144 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3145 dayname[tmbuf->tm_wday],
3146 monname[tmbuf->tm_mon],
3151 tmbuf->tm_year + 1900);
3152 PUSHp(mybuf, strlen(mybuf));
3155 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3156 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3157 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3158 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3159 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3160 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3161 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3162 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3163 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3174 anum = alarm((unsigned int)anum);
3181 DIE(no_func, "Unsupported function alarm");
3192 (void)time(&lasttime);
3197 sleep((unsigned int)duration);
3200 XPUSHi(when - lasttime);
3204 /* Shared memory. */
3208 return pp_semget(ARGS);
3213 return pp_semctl(ARGS);
3218 return pp_shmwrite(ARGS);
3223 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3224 dSP; dMARK; dTARGET;
3225 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3230 return pp_semget(ARGS);
3234 /* Message passing. */
3238 return pp_semget(ARGS);
3243 return pp_semctl(ARGS);
3248 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3249 dSP; dMARK; dTARGET;
3250 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3255 return pp_semget(ARGS);
3261 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3262 dSP; dMARK; dTARGET;
3263 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3268 return pp_semget(ARGS);
3276 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3277 dSP; dMARK; dTARGET;
3278 int anum = do_ipcget(op->op_type, MARK, SP);
3285 DIE("System V IPC is not implemented on this machine");
3291 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3292 dSP; dMARK; dTARGET;
3293 int anum = do_ipcctl(op->op_type, MARK, SP);
3301 PUSHp("0 but true",10);
3305 return pp_semget(ARGS);
3311 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3312 dSP; dMARK; dTARGET;
3313 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3318 return pp_semget(ARGS);
3322 /* Get system info. */
3327 return pp_ghostent(ARGS);
3329 DIE(no_sock_func, "gethostbyname");
3336 return pp_ghostent(ARGS);
3338 DIE(no_sock_func, "gethostbyaddr");
3346 I32 which = op->op_type;
3347 register char **elem;
3349 struct hostent *gethostbyname();
3350 struct hostent *gethostbyaddr();
3351 #ifdef HAS_GETHOSTENT
3352 struct hostent *gethostent();
3354 struct hostent *hent;
3358 if (which == OP_GHBYNAME) {
3359 hent = gethostbyname(POPp);
3361 else if (which == OP_GHBYADDR) {
3362 int addrtype = POPi;
3365 char *addr = SvPV(addrsv, addrlen);
3367 hent = gethostbyaddr(addr, addrlen, addrtype);
3370 #ifdef HAS_GETHOSTENT
3371 hent = gethostent();
3373 DIE("gethostent not implemented");
3376 #ifdef HOST_NOT_FOUND
3378 statusvalue = FIXSTATUS(h_errno);
3381 if (GIMME != G_ARRAY) {
3382 PUSHs(sv = sv_newmortal());
3384 if (which == OP_GHBYNAME) {
3386 sv_setpvn(sv, hent->h_addr, hent->h_length);
3389 sv_setpv(sv, (char*)hent->h_name);
3395 PUSHs(sv = sv_mortalcopy(&sv_no));
3396 sv_setpv(sv, (char*)hent->h_name);
3397 PUSHs(sv = sv_mortalcopy(&sv_no));
3398 for (elem = hent->h_aliases; elem && *elem; elem++) {
3399 sv_catpv(sv, *elem);
3401 sv_catpvn(sv, " ", 1);
3403 PUSHs(sv = sv_mortalcopy(&sv_no));
3404 sv_setiv(sv, (I32)hent->h_addrtype);
3405 PUSHs(sv = sv_mortalcopy(&sv_no));
3406 len = hent->h_length;
3407 sv_setiv(sv, (I32)len);
3409 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3410 XPUSHs(sv = sv_mortalcopy(&sv_no));
3411 sv_setpvn(sv, *elem, len);
3414 PUSHs(sv = sv_mortalcopy(&sv_no));
3416 sv_setpvn(sv, hent->h_addr, len);
3421 DIE(no_sock_func, "gethostent");
3428 return pp_gnetent(ARGS);
3430 DIE(no_sock_func, "getnetbyname");
3437 return pp_gnetent(ARGS);
3439 DIE(no_sock_func, "getnetbyaddr");
3447 I32 which = op->op_type;
3448 register char **elem;
3450 struct netent *getnetbyname();
3451 struct netent *getnetbyaddr();
3452 struct netent *getnetent();
3453 struct netent *nent;
3455 if (which == OP_GNBYNAME)
3456 nent = getnetbyname(POPp);
3457 else if (which == OP_GNBYADDR) {
3458 int addrtype = POPi;
3459 unsigned long addr = U_L(POPn);
3460 nent = getnetbyaddr((long)addr, addrtype);
3466 if (GIMME != G_ARRAY) {
3467 PUSHs(sv = sv_newmortal());
3469 if (which == OP_GNBYNAME)
3470 sv_setiv(sv, (I32)nent->n_net);
3472 sv_setpv(sv, nent->n_name);
3478 PUSHs(sv = sv_mortalcopy(&sv_no));
3479 sv_setpv(sv, nent->n_name);
3480 PUSHs(sv = sv_mortalcopy(&sv_no));
3481 for (elem = nent->n_aliases; *elem; elem++) {
3482 sv_catpv(sv, *elem);
3484 sv_catpvn(sv, " ", 1);
3486 PUSHs(sv = sv_mortalcopy(&sv_no));
3487 sv_setiv(sv, (I32)nent->n_addrtype);
3488 PUSHs(sv = sv_mortalcopy(&sv_no));
3489 sv_setiv(sv, (I32)nent->n_net);
3494 DIE(no_sock_func, "getnetent");
3501 return pp_gprotoent(ARGS);
3503 DIE(no_sock_func, "getprotobyname");
3510 return pp_gprotoent(ARGS);
3512 DIE(no_sock_func, "getprotobynumber");
3520 I32 which = op->op_type;
3521 register char **elem;
3523 struct protoent *getprotobyname();
3524 struct protoent *getprotobynumber();
3525 struct protoent *getprotoent();
3526 struct protoent *pent;
3528 if (which == OP_GPBYNAME)
3529 pent = getprotobyname(POPp);
3530 else if (which == OP_GPBYNUMBER)
3531 pent = getprotobynumber(POPi);
3533 pent = getprotoent();
3536 if (GIMME != G_ARRAY) {
3537 PUSHs(sv = sv_newmortal());
3539 if (which == OP_GPBYNAME)
3540 sv_setiv(sv, (I32)pent->p_proto);
3542 sv_setpv(sv, pent->p_name);
3548 PUSHs(sv = sv_mortalcopy(&sv_no));
3549 sv_setpv(sv, pent->p_name);
3550 PUSHs(sv = sv_mortalcopy(&sv_no));
3551 for (elem = pent->p_aliases; *elem; elem++) {
3552 sv_catpv(sv, *elem);
3554 sv_catpvn(sv, " ", 1);
3556 PUSHs(sv = sv_mortalcopy(&sv_no));
3557 sv_setiv(sv, (I32)pent->p_proto);
3562 DIE(no_sock_func, "getprotoent");
3569 return pp_gservent(ARGS);
3571 DIE(no_sock_func, "getservbyname");
3578 return pp_gservent(ARGS);
3580 DIE(no_sock_func, "getservbyport");
3588 I32 which = op->op_type;
3589 register char **elem;
3591 struct servent *getservbyname();
3592 struct servent *getservbynumber();
3593 struct servent *getservent();
3594 struct servent *sent;
3596 if (which == OP_GSBYNAME) {
3600 if (proto && !*proto)
3603 sent = getservbyname(name, proto);
3605 else if (which == OP_GSBYPORT) {
3609 sent = getservbyport(port, proto);
3612 sent = getservent();
3615 if (GIMME != G_ARRAY) {
3616 PUSHs(sv = sv_newmortal());
3618 if (which == OP_GSBYNAME) {
3620 sv_setiv(sv, (I32)ntohs(sent->s_port));
3622 sv_setiv(sv, (I32)(sent->s_port));
3626 sv_setpv(sv, sent->s_name);
3632 PUSHs(sv = sv_mortalcopy(&sv_no));
3633 sv_setpv(sv, sent->s_name);
3634 PUSHs(sv = sv_mortalcopy(&sv_no));
3635 for (elem = sent->s_aliases; *elem; elem++) {
3636 sv_catpv(sv, *elem);
3638 sv_catpvn(sv, " ", 1);
3640 PUSHs(sv = sv_mortalcopy(&sv_no));
3642 sv_setiv(sv, (I32)ntohs(sent->s_port));
3644 sv_setiv(sv, (I32)(sent->s_port));
3646 PUSHs(sv = sv_mortalcopy(&sv_no));
3647 sv_setpv(sv, sent->s_proto);
3652 DIE(no_sock_func, "getservent");
3663 DIE(no_sock_func, "sethostent");
3674 DIE(no_sock_func, "setnetent");
3685 DIE(no_sock_func, "setprotoent");
3696 DIE(no_sock_func, "setservent");
3708 DIE(no_sock_func, "endhostent");
3720 DIE(no_sock_func, "endnetent");
3732 DIE(no_sock_func, "endprotoent");
3744 DIE(no_sock_func, "endservent");
3751 return pp_gpwent(ARGS);
3753 DIE(no_func, "getpwnam");
3760 return pp_gpwent(ARGS);
3762 DIE(no_func, "getpwuid");
3770 I32 which = op->op_type;
3772 struct passwd *pwent;
3774 if (which == OP_GPWNAM)
3775 pwent = getpwnam(POPp);
3776 else if (which == OP_GPWUID)
3777 pwent = getpwuid(POPi);
3779 pwent = (struct passwd *)getpwent();
3782 if (GIMME != G_ARRAY) {
3783 PUSHs(sv = sv_newmortal());
3785 if (which == OP_GPWNAM)
3786 sv_setiv(sv, (I32)pwent->pw_uid);
3788 sv_setpv(sv, pwent->pw_name);
3794 PUSHs(sv = sv_mortalcopy(&sv_no));
3795 sv_setpv(sv, pwent->pw_name);
3796 PUSHs(sv = sv_mortalcopy(&sv_no));
3797 sv_setpv(sv, pwent->pw_passwd);
3798 PUSHs(sv = sv_mortalcopy(&sv_no));
3799 sv_setiv(sv, (I32)pwent->pw_uid);
3800 PUSHs(sv = sv_mortalcopy(&sv_no));
3801 sv_setiv(sv, (I32)pwent->pw_gid);
3802 PUSHs(sv = sv_mortalcopy(&sv_no));
3804 sv_setiv(sv, (I32)pwent->pw_change);
3807 sv_setiv(sv, (I32)pwent->pw_quota);
3810 sv_setpv(sv, pwent->pw_age);
3814 PUSHs(sv = sv_mortalcopy(&sv_no));
3816 sv_setpv(sv, pwent->pw_class);
3819 sv_setpv(sv, pwent->pw_comment);
3822 PUSHs(sv = sv_mortalcopy(&sv_no));
3823 sv_setpv(sv, pwent->pw_gecos);
3824 PUSHs(sv = sv_mortalcopy(&sv_no));
3825 sv_setpv(sv, pwent->pw_dir);
3826 PUSHs(sv = sv_mortalcopy(&sv_no));
3827 sv_setpv(sv, pwent->pw_shell);
3829 PUSHs(sv = sv_mortalcopy(&sv_no));
3830 sv_setiv(sv, (I32)pwent->pw_expire);
3835 DIE(no_func, "getpwent");
3846 DIE(no_func, "setpwent");
3857 DIE(no_func, "endpwent");
3864 return pp_ggrent(ARGS);
3866 DIE(no_func, "getgrnam");
3873 return pp_ggrent(ARGS);
3875 DIE(no_func, "getgrgid");
3883 I32 which = op->op_type;
3884 register char **elem;
3886 struct group *grent;
3888 if (which == OP_GGRNAM)
3889 grent = (struct group *)getgrnam(POPp);
3890 else if (which == OP_GGRGID)
3891 grent = (struct group *)getgrgid(POPi);
3893 grent = (struct group *)getgrent();
3896 if (GIMME != G_ARRAY) {
3897 PUSHs(sv = sv_newmortal());
3899 if (which == OP_GGRNAM)
3900 sv_setiv(sv, (I32)grent->gr_gid);
3902 sv_setpv(sv, grent->gr_name);
3908 PUSHs(sv = sv_mortalcopy(&sv_no));
3909 sv_setpv(sv, grent->gr_name);
3910 PUSHs(sv = sv_mortalcopy(&sv_no));
3911 sv_setpv(sv, grent->gr_passwd);
3912 PUSHs(sv = sv_mortalcopy(&sv_no));
3913 sv_setiv(sv, (I32)grent->gr_gid);
3914 PUSHs(sv = sv_mortalcopy(&sv_no));
3915 for (elem = grent->gr_mem; *elem; elem++) {
3916 sv_catpv(sv, *elem);
3918 sv_catpvn(sv, " ", 1);
3924 DIE(no_func, "getgrent");
3935 DIE(no_func, "setgrent");
3946 DIE(no_func, "endgrent");
3956 if (!(tmps = getlogin()))
3958 PUSHp(tmps, strlen(tmps));
3961 DIE(no_func, "getlogin");
3965 /* Miscellaneous. */
3970 dSP; dMARK; dORIGMARK; dTARGET;
3971 register I32 items = SP - MARK;
3972 unsigned long a[20];
3978 while (++MARK <= SP) {
3979 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3980 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
3984 TAINT_PROPER("syscall");
3987 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3988 * or where sizeof(long) != sizeof(char*). But such machines will
3989 * not likely have syscall implemented either, so who cares?
3991 while (++MARK <= SP) {
3992 if (SvNIOK(*MARK) || !i)
3993 a[i++] = SvIV(*MARK);
3994 else if (*MARK == &sv_undef)
3997 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4003 DIE("Too many args to syscall");
4005 DIE("Too few args to syscall");
4007 retval = syscall(a[0]);
4010 retval = syscall(a[0],a[1]);
4013 retval = syscall(a[0],a[1],a[2]);
4016 retval = syscall(a[0],a[1],a[2],a[3]);
4019 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4022 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4025 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4028 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4032 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4035 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4038 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4042 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4046 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4050 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4051 a[10],a[11],a[12],a[13]);
4053 #endif /* atarist */
4059 DIE(no_func, "syscall");
4063 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
4065 /* XXX Emulate flock() with lockf(). This is just to increase
4066 portability of scripts. The calls are not completely
4067 interchangeable. What's really needed is a good file
4071 /* The lockf() constants might have been defined in <unistd.h>.
4072 Unfortunately, <unistd.h> causes troubles on some mixed
4073 (BSD/POSIX) systems, such as SunOS 4.1.3.
4075 Further, the lockf() constants aren't POSIX, so they might not be
4076 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4077 just stick in the SVID values and be done with it. Sigh.
4081 # define F_ULOCK 0 /* Unlock a previously locked region */
4084 # define F_LOCK 1 /* Lock a region for exclusive use */
4087 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4090 # define F_TEST 3 /* Test a region for other processes locks */
4093 /* These are the flock() constants. Since this sytems doesn't have
4094 flock(), the values of the constants are probably not available.
4110 lockf_emulate_flock (fd, operation)
4115 switch (operation) {
4117 /* LOCK_SH - get a shared lock */
4119 /* LOCK_EX - get an exclusive lock */
4121 i = lockf (fd, F_LOCK, 0);
4124 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4125 case LOCK_SH|LOCK_NB:
4126 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4127 case LOCK_EX|LOCK_NB:
4128 i = lockf (fd, F_TLOCK, 0);
4130 if ((errno == EAGAIN) || (errno == EACCES))
4131 errno = EWOULDBLOCK;
4134 /* LOCK_UN - unlock */
4136 i = lockf (fd, F_ULOCK, 0);
4139 /* Default - can't decipher operation */