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
101 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
102 static int lockf_emulate_flock _((int fd, int operation));
103 # define flock lockf_emulate_flock
115 fp = my_popen(tmps, "r");
117 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
118 if (GIMME == G_SCALAR) {
119 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
129 if (sv_gets(sv, fp, 0) == Nullch) {
133 XPUSHs(sv_2mortal(sv));
134 if (SvLEN(sv) - SvCUR(sv) > 20) {
135 SvLEN_set(sv, SvCUR(sv)+1);
136 Renew(SvPVX(sv), SvLEN(sv), char);
140 statusvalue = FIXSTATUS(my_pclose(fp));
144 if (GIMME == G_SCALAR)
156 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
157 last_in_gv = (GV*)*stack_sp--;
159 SAVESPTR(rs); /* This is not permanent, either. */
160 rs = sv_2mortal(newSVpv("", 1));
167 result = do_readline();
174 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
175 return do_readline();
180 last_in_gv = cGVOP->op_gv;
181 return do_readline();
188 if (SP - MARK != 1) {
190 do_join(TARG, &sv_no, MARK, SP);
191 tmps = SvPV(TARG, na);
195 tmps = SvPV(TOPs, na);
197 if (!tmps || !*tmps) {
198 SV *error = GvSV(errgv);
199 (void)SvUPGRADE(error, SVt_PV);
200 if (SvPOK(error) && SvCUR(error))
201 sv_catpv(error, "\t...caught");
202 tmps = SvPV(error, na);
205 tmps = "Warning: something's wrong";
214 if (SP - MARK != 1) {
216 do_join(TARG, &sv_no, MARK, SP);
217 tmps = SvPV(TARG, na);
221 tmps = SvPV(TOPs, na);
223 if (!tmps || !*tmps) {
224 SV *error = GvSV(errgv);
225 (void)SvUPGRADE(error, SVt_PV);
226 if (SvPOK(error) && SvCUR(error))
227 sv_catpv(error, "\t...propagated");
228 tmps = SvPV(error, na);
247 else if (SvTYPE(TOPs) == SVt_PVGV)
250 DIE(no_usym, "filehandle");
252 if (IoFLAGS(GvIOn(gv)) & IOf_UNTAINT) /* This GV has UNTAINT previously set */
253 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; /* Clear it. We don't carry that over */
254 tmps = SvPV(sv, len);
255 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
256 IoLINES(GvIOp(gv)) = 0;
257 PUSHi( (I32)forkprocess );
259 else if (forkprocess == 0) /* we are a new child */
276 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
296 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
297 DIE(no_usym, "filehandle");
302 do_close(rgv, FALSE);
304 do_close(wgv, FALSE);
309 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
310 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
311 IoIFP(wstio) = IoOFP(wstio);
315 if (!IoIFP(rstio) || !IoOFP(wstio)) {
316 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
318 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
328 DIE(no_func, "pipe");
341 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
343 PUSHi(PerlIO_fileno(fp));
359 TAINT_PROPER("umask");
362 DIE(no_func, "Unsupported function umask");
380 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
385 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
390 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
396 #if defined(USEMYBINMODE)
397 if (my_binmode(fp,IoTYPE(io)) != NULL)
416 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
417 I32 markoff = mark - stack_base - 1;
421 if (SvTYPE(varsv) == SVt_PVHV)
422 methname = "TIEHASH";
423 else if (SvTYPE(varsv) == SVt_PVAV)
424 methname = "TIEARRAY";
425 else if (SvTYPE(varsv) == SVt_PVGV)
426 methname = "TIEHANDLE";
428 methname = "TIESCALAR";
430 stash = gv_stashsv(mark[1], FALSE);
431 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
432 DIE("Can't locate object method \"%s\" via package \"%s\"",
433 methname, SvPV(mark[1],na));
435 Zero(&myop, 1, BINOP);
436 myop.op_last = (OP *) &myop;
437 myop.op_next = Nullop;
438 myop.op_flags = OPf_KNOW|OPf_STACKED;
443 if (perldb && curstash != debstash)
444 op->op_private |= OPpENTERSUB_DB;
449 if (op = pp_entersub())
454 if (sv_isobject(sv)) {
455 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
456 sv_unmagic(varsv, 'P');
457 sv_magic(varsv, sv, 'P', Nullch, 0);
460 sv_unmagic(varsv, 'q');
461 sv_magic(varsv, sv, 'q', Nullch, 0);
465 SP = stack_base + markoff;
480 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
481 mg = mg_find(sv, 'P') ;
483 mg = mg_find(sv, 'q') ;
485 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
486 warn("untie attempted while %d inner references still exist",
487 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
491 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
506 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
507 mg = mg_find(sv, 'P') ;
509 mg = mg_find(sv, 'q') ;
512 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
532 sv = sv_mortalcopy(&sv_no);
533 sv_setpv(sv, "AnyDBM_File");
534 stash = gv_stashsv(sv, FALSE);
535 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
537 perl_require_pv("AnyDBM_File.pm");
539 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
540 DIE("No dbm on this machine");
543 Zero(&myop, 1, BINOP);
544 myop.op_last = (OP *) &myop;
545 myop.op_next = Nullop;
546 myop.op_flags = OPf_KNOW|OPf_STACKED;
551 if (perldb && curstash != debstash)
552 op->op_private |= OPpENTERSUB_DB;
560 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
562 PUSHs(sv_2mortal(newSViv(O_RDWR)));
567 if (op = pp_entersub())
571 if (!sv_isobject(TOPs)) {
579 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
584 if (op = pp_entersub())
589 if (sv_isobject(TOPs))
590 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
597 return pp_untie(ARGS);
611 struct timeval timebuf;
612 struct timeval *tbuf = &timebuf;
615 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
620 # if BYTEORDER & 0xf0000
621 # define ORDERBYTE (0x88888888 - BYTEORDER)
623 # define ORDERBYTE (0x4444 - BYTEORDER)
629 for (i = 1; i <= 3; i++) {
637 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
639 growsize = sizeof(fd_set);
641 growsize = maxlen; /* little endians can use vecs directly */
650 masksize = NFDBITS / NBBY;
652 masksize = sizeof(long); /* documented int, everyone seems to use long */
654 growsize = maxlen + (masksize - (maxlen % masksize));
655 Zero(&fd_sets[0], 4, char*);
663 timebuf.tv_sec = (long)value;
664 value -= (double)timebuf.tv_sec;
665 timebuf.tv_usec = (long)(value * 1000000.0);
668 tbuf = Null(struct timeval*);
670 for (i = 1; i <= 3; i++) {
677 SvPV_force(sv,na); /* force string conversion */
680 Sv_Grow(sv, growsize);
684 while (++j <= growsize) {
688 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
690 New(403, fd_sets[i], growsize, char);
691 for (offset = 0; offset < growsize; offset += masksize) {
692 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
693 fd_sets[i][j+offset] = s[(k % masksize) + offset];
696 fd_sets[i] = SvPVX(sv);
702 (Select_fd_set_t) fd_sets[1],
703 (Select_fd_set_t) fd_sets[2],
704 (Select_fd_set_t) fd_sets[3],
706 for (i = 1; i <= 3; i++) {
709 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
711 for (offset = 0; offset < growsize; offset += masksize) {
712 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
713 s[(k % masksize) + offset] = fd_sets[i][j+offset];
715 Safefree(fd_sets[i]);
722 if (GIMME == G_ARRAY && tbuf) {
723 value = (double)(timebuf.tv_sec) +
724 (double)(timebuf.tv_usec) / 1000000.0;
725 PUSHs(sv = sv_mortalcopy(&sv_no));
730 DIE("select not implemented");
739 (void)SvREFCNT_inc(gv);
741 SvREFCNT_dec(defoutgv);
751 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
753 egv = GvEGV(defoutgv);
760 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
761 if (gvp && *gvp == egv)
762 gv_efullname3(TARG, defoutgv, Nullch);
764 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
769 if (!GvIO(newdefout))
771 setdefout(newdefout);
788 if (!gv || do_eof(gv)) /* make sure we have fp with something */
792 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
799 return pp_sysread(ARGS);
808 register CONTEXT *cx;
810 AV* padlist = CvPADLIST(cv);
811 SV** svp = AvARRAY(padlist);
817 PUSHBLOCK(cx, CXt_SUB, stack_sp);
820 curpad = AvARRAY((AV*)svp[1]);
822 setdefout(gv); /* locally select filehandle so $% et al work */
855 SV *tmpsv = sv_newmortal();
856 gv_efullname3(tmpsv, fgv, Nullch);
857 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
859 DIE("Not a format reference");
861 IoFLAGS(io) &= ~IOf_DIDTOP;
863 return doform(cv,gv,op->op_next);
869 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
870 register IO *io = GvIOp(gv);
871 PerlIO *ofp = IoOFP(io);
875 register CONTEXT *cx;
877 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
878 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
879 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
880 formtarget != toptarget)
888 if (!IoTOP_NAME(io)) {
890 IoFMT_NAME(io) = savepv(GvNAME(gv));
891 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
892 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
893 if ((topgv && GvFORM(topgv)) ||
894 !gv_fetchpv("top",FALSE,SVt_PVFM))
895 IoTOP_NAME(io) = savepv(tmpbuf);
897 IoTOP_NAME(io) = savepv("top");
899 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
900 if (!topgv || !GvFORM(topgv)) {
901 IoLINES_LEFT(io) = 100000000;
904 IoTOP_GV(io) = topgv;
906 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
907 I32 lines = IoLINES_LEFT(io);
908 char *s = SvPVX(formtarget);
909 if (lines <= 0) /* Yow, header didn't even fit!!! */
911 while (lines-- > 0) {
918 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
919 sv_chop(formtarget, s);
920 FmLINES(formtarget) -= IoLINES_LEFT(io);
923 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
924 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
925 IoLINES_LEFT(io) = IoPAGE_LEN(io);
927 formtarget = toptarget;
928 IoFLAGS(io) |= IOf_DIDTOP;
931 DIE("bad top format reference");
934 SV *tmpsv = sv_newmortal();
935 gv_efullname3(tmpsv, fgv, Nullch);
936 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
938 return doform(cv,gv,op);
950 warn("Filehandle only opened for input");
952 warn("Write on closed filehandle");
957 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
959 warn("page overflow");
961 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
965 FmLINES(formtarget) = 0;
966 SvCUR_set(formtarget, 0);
967 *SvEND(formtarget) = '\0';
968 if (IoFLAGS(io) & IOf_FLUSH)
969 (void)PerlIO_flush(fp);
973 formtarget = bodytarget;
980 dSP; dMARK; dORIGMARK;
986 if (op->op_flags & OPf_STACKED)
990 if (!(io = GvIO(gv))) {
992 gv_fullname3(sv, gv, Nullch);
993 warn("Filehandle %s never opened", SvPV(sv,na));
995 SETERRNO(EBADF,RMS$_IFI);
998 else if (!(fp = IoOFP(io))) {
1000 gv_fullname3(sv, gv, Nullch);
1002 warn("Filehandle %s opened only for input", SvPV(sv,na));
1004 warn("printf on closed filehandle %s", SvPV(sv,na));
1006 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1010 do_sprintf(sv, SP - MARK, MARK + 1);
1011 if (!do_print(sv, fp))
1014 if (IoFLAGS(io) & IOf_FLUSH)
1015 if (PerlIO_flush(fp) == EOF)
1047 tmps = SvPV(sv, len);
1048 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1049 IoLINES(GvIOp(gv)) = 0;
1060 dSP; dMARK; dORIGMARK; dTARGET;
1074 buffer = SvPV_force(bufsv, blen);
1075 length = SvIVx(*++MARK);
1077 DIE("Negative length");
1080 offset = SvIVx(*++MARK);
1084 if (!io || !IoIFP(io))
1087 if (op->op_type == OP_RECV) {
1088 bufsize = sizeof buf;
1089 buffer = SvGROW(bufsv, length+1);
1090 /* 'offset' means 'flags' here */
1091 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1092 (struct sockaddr *)buf, &bufsize);
1095 SvCUR_set(bufsv, length);
1096 *SvEND(bufsv) = '\0';
1097 (void)SvPOK_only(bufsv);
1099 /* This should not be marked tainted if the fp is marked clean */
1100 if (tainting && !(IoFLAGS(io) & IOf_UNTAINT))
1101 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1103 sv_setpvn(TARG, buf, bufsize);
1108 if (op->op_type == OP_RECV)
1109 DIE(no_sock_func, "recv");
1113 DIE("Too negative offset");
1116 bufsize = SvCUR(bufsv);
1117 buffer = SvGROW(bufsv, length+offset+1);
1118 if (offset > bufsize) { /* Zero any newly allocated space */
1119 Zero(buffer+bufsize, offset-bufsize, char);
1121 if (op->op_type == OP_SYSREAD) {
1122 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1125 #ifdef HAS_SOCKET__bad_code_maybe
1126 if (IoTYPE(io) == 's') {
1127 bufsize = sizeof buf;
1128 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1129 (struct sockaddr *)buf, &bufsize);
1133 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1136 SvCUR_set(bufsv, length+offset);
1137 *SvEND(bufsv) = '\0';
1138 (void)SvPOK_only(bufsv);
1140 /* This should not be marked tainted if the fp is marked clean */
1141 if (tainting && !(IoFLAGS(io) & IOf_UNTAINT))
1142 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1154 return pp_send(ARGS);
1159 dSP; dMARK; dORIGMARK; dTARGET;
1172 buffer = SvPV(bufsv, blen);
1173 length = SvIVx(*++MARK);
1175 DIE("Negative length");
1178 if (!io || !IoIFP(io)) {
1181 if (op->op_type == OP_SYSWRITE)
1182 warn("Syswrite on closed filehandle");
1184 warn("Send on closed socket");
1187 else if (op->op_type == OP_SYSWRITE) {
1189 offset = SvIVx(*++MARK);
1192 DIE("Too negative offset");
1197 if (length > blen - offset)
1198 length = blen - offset;
1199 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1202 else if (SP > MARK) {
1205 sockbuf = SvPVx(*++MARK, mlen);
1206 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1207 (struct sockaddr *)sockbuf, mlen);
1210 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1213 DIE(no_sock_func, "send");
1228 return pp_sysread(ARGS);
1239 gv = last_in_gv = (GV*)POPs;
1240 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1252 gv = last_in_gv = (GV*)POPs;
1253 PUSHi( do_tell(gv) );
1264 gv = last_in_gv = (GV*)POPs;
1265 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1272 Off_t len = (Off_t)POPn;
1277 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1278 if (op->op_flags & OPf_SPECIAL) {
1279 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1281 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1283 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1285 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1291 if (SvTYPE(sv) == SVt_PVGV) {
1292 tmpgv = (GV*)sv; /* *main::FRED for example */
1295 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1296 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1300 if (truncate (SvPV (sv, na), len) < 0)
1306 if ((tmpfd = open(SvPV (sv, na), O_RDWR)) < 0)
1309 if (my_chsize(tmpfd, len) < 0)
1320 SETERRNO(EBADF,RMS$_IFI);
1323 DIE("truncate not implemented");
1329 return pp_ioctl(ARGS);
1336 unsigned int func = U_I(POPn);
1337 int optype = op->op_type;
1343 if (!io || !argsv || !IoIFP(io)) {
1344 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1348 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1350 s = SvPV_force(argsv, len);
1351 retval = IOCPARM_LEN(func);
1353 s = Sv_Grow(argsv, retval+1);
1354 SvCUR_set(argsv, retval);
1357 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1360 retval = SvIV(argsv);
1362 s = (char*)(long)retval; /* ouch */
1364 s = (char*)retval; /* ouch */
1368 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1370 if (optype == OP_IOCTL)
1372 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1374 DIE("ioctl is not implemented");
1378 #if defined(OS2) && defined(__EMX__)
1379 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1381 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1384 DIE("fcntl is not implemented");
1388 if (s[SvCUR(argsv)] != 17)
1389 DIE("Possible memory corruption: %s overflowed 3rd argument",
1391 s[SvCUR(argsv)] = 0; /* put our null back */
1392 SvSETMAGIC(argsv); /* Assume it has changed */
1401 PUSHp("0 but true", 10);
1414 #if defined(HAS_FLOCK) || defined(flock)
1421 fp = IoIFP(GvIOp(gv));
1425 value = (I32)(flock(PerlIO_fileno(fp), argtype) >= 0);
1432 DIE(no_func, "flock()");
1444 int protocol = POPi;
1452 SETERRNO(EBADF,LIB$_INVARG);
1458 do_close(gv, FALSE);
1460 TAINT_PROPER("socket");
1461 fd = socket(domain, type, protocol);
1464 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1465 IoOFP(io) = PerlIO_fdopen(fd, "w");
1467 if (!IoIFP(io) || !IoOFP(io)) {
1468 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1469 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1470 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1476 DIE(no_sock_func, "socket");
1483 #ifdef HAS_SOCKETPAIR
1488 int protocol = POPi;
1501 do_close(gv1, FALSE);
1503 do_close(gv2, FALSE);
1505 TAINT_PROPER("socketpair");
1506 if (socketpair(domain, type, protocol, fd) < 0)
1508 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1509 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1511 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1512 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1514 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1515 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1516 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1517 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1518 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1519 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1520 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1526 DIE(no_sock_func, "socketpair");
1537 register IO *io = GvIOn(gv);
1540 if (!io || !IoIFP(io))
1543 addr = SvPV(addrsv, len);
1544 TAINT_PROPER("bind");
1545 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1552 warn("bind() on closed fd");
1553 SETERRNO(EBADF,SS$_IVCHAN);
1556 DIE(no_sock_func, "bind");
1567 register IO *io = GvIOn(gv);
1570 if (!io || !IoIFP(io))
1573 addr = SvPV(addrsv, len);
1574 TAINT_PROPER("connect");
1575 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1582 warn("connect() on closed fd");
1583 SETERRNO(EBADF,SS$_IVCHAN);
1586 DIE(no_sock_func, "connect");
1596 register IO *io = GvIOn(gv);
1598 if (!io || !IoIFP(io))
1601 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1608 warn("listen() on closed fd");
1609 SETERRNO(EBADF,SS$_IVCHAN);
1612 DIE(no_sock_func, "listen");
1624 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1625 int len = sizeof saddr;
1637 if (!gstio || !IoIFP(gstio))
1642 do_close(ngv, FALSE);
1644 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1647 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1648 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1649 IoTYPE(nstio) = 's';
1650 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1651 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1652 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1653 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1657 PUSHp((char *)&saddr, len);
1662 warn("accept() on closed fd");
1663 SETERRNO(EBADF,SS$_IVCHAN);
1669 DIE(no_sock_func, "accept");
1679 register IO *io = GvIOn(gv);
1681 if (!io || !IoIFP(io))
1684 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1689 warn("shutdown() on closed fd");
1690 SETERRNO(EBADF,SS$_IVCHAN);
1693 DIE(no_sock_func, "shutdown");
1700 return pp_ssockopt(ARGS);
1702 DIE(no_sock_func, "getsockopt");
1710 int optype = op->op_type;
1713 unsigned int optname;
1719 if (optype == OP_GSOCKOPT)
1720 sv = sv_2mortal(NEWSV(22, 257));
1723 optname = (unsigned int) POPi;
1724 lvl = (unsigned int) POPi;
1728 if (!io || !IoIFP(io))
1731 fd = PerlIO_fileno(IoIFP(io));
1735 (void)SvPOK_only(sv);
1739 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1749 buf = SvPV(sv, len);
1750 else if (SvOK(sv)) {
1751 aint = (int)SvIV(sv);
1755 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1765 warn("[gs]etsockopt() on closed fd");
1766 SETERRNO(EBADF,SS$_IVCHAN);
1771 DIE(no_sock_func, "setsockopt");
1778 return pp_getpeername(ARGS);
1780 DIE(no_sock_func, "getsockname");
1788 int optype = op->op_type;
1792 register IO *io = GvIOn(gv);
1795 if (!io || !IoIFP(io))
1798 sv = sv_2mortal(NEWSV(22, 257));
1799 (void)SvPOK_only(sv);
1803 fd = PerlIO_fileno(IoIFP(io));
1805 case OP_GETSOCKNAME:
1806 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1809 case OP_GETPEERNAME:
1810 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1821 warn("get{sock, peer}name() on closed fd");
1822 SETERRNO(EBADF,SS$_IVCHAN);
1827 DIE(no_sock_func, "getpeername");
1835 return pp_stat(ARGS);
1844 if (op->op_flags & OPf_REF) {
1845 tmpgv = cGVOP->op_gv;
1847 if (tmpgv != defgv) {
1848 laststype = OP_STAT;
1850 sv_setpv(statname, "");
1851 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1852 Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1857 else if (laststatval < 0)
1862 if (SvTYPE(sv) == SVt_PVGV) {
1866 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1867 tmpgv = (GV*)SvRV(sv);
1870 sv_setpv(statname, SvPV(sv,na));
1873 laststype = op->op_type;
1874 if (op->op_type == OP_LSTAT)
1875 laststatval = lstat(SvPV(statname, na), &statcache);
1878 laststatval = Stat(SvPV(statname, na), &statcache);
1879 if (laststatval < 0) {
1880 if (dowarn && strchr(SvPV(statname, na), '\n'))
1881 warn(warn_nl, "stat");
1887 if (GIMME != G_ARRAY) {
1894 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1895 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1896 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1897 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1898 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1899 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1900 #ifdef USE_STAT_RDEV
1901 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1903 PUSHs(sv_2mortal(newSVpv("", 0)));
1905 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1907 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1908 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1909 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1911 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1912 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1913 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1915 #ifdef USE_STAT_BLOCKS
1916 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1917 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1919 PUSHs(sv_2mortal(newSVpv("", 0)));
1920 PUSHs(sv_2mortal(newSVpv("", 0)));
1928 I32 result = my_stat(ARGS);
1932 if (cando(S_IRUSR, 0, &statcache))
1939 I32 result = my_stat(ARGS);
1943 if (cando(S_IWUSR, 0, &statcache))
1950 I32 result = my_stat(ARGS);
1954 if (cando(S_IXUSR, 0, &statcache))
1961 I32 result = my_stat(ARGS);
1965 if (cando(S_IRUSR, 1, &statcache))
1972 I32 result = my_stat(ARGS);
1976 if (cando(S_IWUSR, 1, &statcache))
1983 I32 result = my_stat(ARGS);
1987 if (cando(S_IXUSR, 1, &statcache))
1994 I32 result = my_stat(ARGS);
2003 return pp_ftrowned(ARGS);
2008 I32 result = my_stat(ARGS);
2012 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2019 I32 result = my_stat(ARGS);
2023 if (!statcache.st_size)
2030 I32 result = my_stat(ARGS);
2034 PUSHi(statcache.st_size);
2040 I32 result = my_stat(ARGS);
2044 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2050 I32 result = my_stat(ARGS);
2054 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2060 I32 result = my_stat(ARGS);
2064 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2070 I32 result = my_stat(ARGS);
2074 if (S_ISSOCK(statcache.st_mode))
2081 I32 result = my_stat(ARGS);
2085 if (S_ISCHR(statcache.st_mode))
2092 I32 result = my_stat(ARGS);
2096 if (S_ISBLK(statcache.st_mode))
2103 I32 result = my_stat(ARGS);
2107 if (S_ISREG(statcache.st_mode))
2114 I32 result = my_stat(ARGS);
2118 if (S_ISDIR(statcache.st_mode))
2125 I32 result = my_stat(ARGS);
2129 if (S_ISFIFO(statcache.st_mode))
2136 I32 result = my_lstat(ARGS);
2140 if (S_ISLNK(statcache.st_mode))
2149 I32 result = my_stat(ARGS);
2153 if (statcache.st_mode & S_ISUID)
2163 I32 result = my_stat(ARGS);
2167 if (statcache.st_mode & S_ISGID)
2177 I32 result = my_stat(ARGS);
2181 if (statcache.st_mode & S_ISVTX)
2193 if (op->op_flags & OPf_REF) {
2198 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2199 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2200 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2201 else if (isDIGIT(*tmps))
2210 #if defined(atarist) /* this will work with atariST. Configure will
2211 make guesses for other systems. */
2212 # define FILE_base(f) ((f)->_base)
2213 # define FILE_ptr(f) ((f)->_ptr)
2214 # define FILE_cnt(f) ((f)->_cnt)
2215 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2225 register STDCHAR *s;
2229 if (op->op_flags & OPf_REF) {
2231 if (cGVOP->op_gv == defgv) {
2236 goto really_filename;
2240 statgv = cGVOP->op_gv;
2241 sv_setpv(statname, "");
2244 if (io && IoIFP(io)) {
2245 if (PerlIO_has_base(IoIFP(io))) {
2246 Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2247 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2248 if (op->op_type == OP_FTTEXT)
2252 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2253 i = PerlIO_getc(IoIFP(io));
2255 (void)PerlIO_ungetc(IoIFP(io),i);
2257 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2259 len = PerlIO_get_bufsiz(IoIFP(io));
2260 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2261 /* sfio can have large buffers - limit to 512 */
2266 DIE("-T and -B not implemented on filehandles");
2271 warn("Test on unopened file <%s>",
2272 GvENAME(cGVOP->op_gv));
2273 SETERRNO(EBADF,RMS$_IFI);
2280 sv_setpv(statname, SvPV(sv, na));
2283 i = open(SvPV(sv, na), O_RDONLY, 0);
2285 i = open(SvPV(sv, na), 0);
2288 if (dowarn && strchr(SvPV(sv, na), '\n'))
2289 warn(warn_nl, "open");
2292 Fstat(i, &statcache);
2293 len = read(i, tbuf, 512);
2296 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2297 RETPUSHNO; /* special case NFS directories */
2298 RETPUSHYES; /* null file is anything */
2303 /* now scan s to look for textiness */
2304 /* XXX ASCII dependent code */
2306 for (i = 0; i < len; i++, s++) {
2307 if (!*s) { /* null never allowed in text */
2314 *s != '\n' && *s != '\r' && *s != '\b' &&
2315 *s != '\t' && *s != '\f' && *s != 27)
2319 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2327 return pp_fttext(ARGS);
2342 if (!tmps || !*tmps) {
2343 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2345 tmps = SvPV(*svp, na);
2347 if (!tmps || !*tmps) {
2348 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2350 tmps = SvPV(*svp, na);
2352 TAINT_PROPER("chdir");
2353 PUSHi( chdir(tmps) >= 0 );
2355 /* Clear the DEFAULT element of ENV so we'll get the new value
2357 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2364 dSP; dMARK; dTARGET;
2367 value = (I32)apply(op->op_type, MARK, SP);
2372 DIE(no_func, "Unsupported function chown");
2382 TAINT_PROPER("chroot");
2383 PUSHi( chroot(tmps) >= 0 );
2386 DIE(no_func, "chroot");
2392 dSP; dMARK; dTARGET;
2394 value = (I32)apply(op->op_type, MARK, SP);
2402 dSP; dMARK; dTARGET;
2404 value = (I32)apply(op->op_type, MARK, SP);
2412 dSP; dMARK; dTARGET;
2414 value = (I32)apply(op->op_type, MARK, SP);
2426 char *tmps = SvPV(TOPs, na);
2427 TAINT_PROPER("rename");
2429 anum = rename(tmps, tmps2);
2431 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2434 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2435 (void)UNLINK(tmps2);
2436 if (!(anum = link(tmps, tmps2)))
2437 anum = UNLINK(tmps);
2449 char *tmps = SvPV(TOPs, na);
2450 TAINT_PROPER("link");
2451 SETi( link(tmps, tmps2) >= 0 );
2453 DIE(no_func, "Unsupported function link");
2463 char *tmps = SvPV(TOPs, na);
2464 TAINT_PROPER("symlink");
2465 SETi( symlink(tmps, tmps2) >= 0 );
2468 DIE(no_func, "symlink");
2479 len = readlink(tmps, buf, sizeof buf);
2487 RETSETUNDEF; /* just pretend it's a normal file */
2491 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2493 dooneliner(cmd, filename)
2499 *save_filename = filename;
2505 for (s = mybuf+strlen(mybuf); *filename; ) {
2510 myfp = my_popen(mybuf, "r");
2513 /* Need to save/restore 'rs' ?? */
2514 s = sv_gets(tmpsv, myfp, 0);
2515 (void)my_pclose(myfp);
2517 for (errno = 1; errno < sys_nerr; errno++) {
2518 #ifdef HAS_SYS_ERRLIST
2519 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2522 char *errmsg; /* especially if it isn't there */
2525 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2531 #define EACCES EPERM
2533 if (instr(mybuf, "cannot make"))
2534 SETERRNO(EEXIST,RMS$_FEX);
2535 else if (instr(mybuf, "existing file"))
2536 SETERRNO(EEXIST,RMS$_FEX);
2537 else if (instr(mybuf, "ile exists"))
2538 SETERRNO(EEXIST,RMS$_FEX);
2539 else if (instr(mybuf, "non-exist"))
2540 SETERRNO(ENOENT,RMS$_FNF);
2541 else if (instr(mybuf, "does not exist"))
2542 SETERRNO(ENOENT,RMS$_FNF);
2543 else if (instr(mybuf, "not empty"))
2544 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2545 else if (instr(mybuf, "cannot access"))
2546 SETERRNO(EACCES,RMS$_PRV);
2548 SETERRNO(EPERM,RMS$_PRV);
2551 else { /* some mkdirs return no failure indication */
2552 anum = (Stat(save_filename, &statbuf) >= 0);
2553 if (op->op_type == OP_RMDIR)
2558 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2574 char *tmps = SvPV(TOPs, na);
2576 TAINT_PROPER("mkdir");
2578 SETi( mkdir(tmps, mode) >= 0 );
2580 SETi( dooneliner("mkdir", tmps) );
2581 oldumask = umask(0);
2583 chmod(tmps, (mode & ~oldumask) & 0777);
2594 TAINT_PROPER("rmdir");
2596 XPUSHi( rmdir(tmps) >= 0 );
2598 XPUSHi( dooneliner("rmdir", tmps) );
2603 /* Directory calls. */
2608 #if defined(Direntry_t) && defined(HAS_READDIR)
2609 char *dirname = POPp;
2611 register IO *io = GvIOn(gv);
2617 closedir(IoDIRP(io));
2618 if (!(IoDIRP(io) = opendir(dirname)))
2624 SETERRNO(EBADF,RMS$_DIR);
2627 DIE(no_dir_func, "opendir");
2634 #if defined(Direntry_t) && defined(HAS_READDIR)
2636 Direntry_t *readdir _((DIR *));
2638 register Direntry_t *dp;
2640 register IO *io = GvIOn(gv);
2642 if (!io || !IoDIRP(io))
2645 if (GIMME == G_ARRAY) {
2647 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2649 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2651 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2656 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2659 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2661 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2668 SETERRNO(EBADF,RMS$_ISI);
2669 if (GIMME == G_ARRAY)
2674 DIE(no_dir_func, "readdir");
2681 #if defined(HAS_TELLDIR) || defined(telldir)
2682 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2683 long telldir _((DIR *));
2686 register IO *io = GvIOn(gv);
2688 if (!io || !IoDIRP(io))
2691 PUSHi( telldir(IoDIRP(io)) );
2695 SETERRNO(EBADF,RMS$_ISI);
2698 DIE(no_dir_func, "telldir");
2705 #if defined(HAS_SEEKDIR) || defined(seekdir)
2708 register IO *io = GvIOn(gv);
2710 if (!io || !IoDIRP(io))
2713 (void)seekdir(IoDIRP(io), along);
2718 SETERRNO(EBADF,RMS$_ISI);
2721 DIE(no_dir_func, "seekdir");
2728 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2730 register IO *io = GvIOn(gv);
2732 if (!io || !IoDIRP(io))
2735 (void)rewinddir(IoDIRP(io));
2739 SETERRNO(EBADF,RMS$_ISI);
2742 DIE(no_dir_func, "rewinddir");
2749 #if defined(Direntry_t) && defined(HAS_READDIR)
2751 register IO *io = GvIOn(gv);
2753 if (!io || !IoDIRP(io))
2756 #ifdef VOID_CLOSEDIR
2757 closedir(IoDIRP(io));
2759 if (closedir(IoDIRP(io)) < 0) {
2760 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2769 SETERRNO(EBADF,RMS$_IFI);
2772 DIE(no_dir_func, "closedir");
2776 /* Process control. */
2791 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2792 sv_setiv(GvSV(tmpgv), (I32)getpid());
2793 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2798 DIE(no_func, "Unsupported function fork");
2811 childpid = wait(&argflags);
2813 pidgone(childpid, argflags);
2814 value = (I32)childpid;
2815 statusvalue = FIXSTATUS(argflags);
2819 DIE(no_func, "Unsupported function wait");
2834 childpid = wait4pid(childpid, &argflags, optype);
2835 value = (I32)childpid;
2836 statusvalue = FIXSTATUS(argflags);
2840 DIE(no_func, "Unsupported function wait");
2846 dSP; dMARK; dORIGMARK; dTARGET;
2851 Signal_t (*ihand)(); /* place to save signal during system() */
2852 Signal_t (*qhand)(); /* place to save signal during system() */
2854 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
2855 if (SP - MARK == 1) {
2857 char *junk = SvPV(TOPs, na);
2859 TAINT_PROPER("system");
2862 while ((childpid = vfork()) == -1) {
2863 if (errno != EAGAIN) {
2872 ihand = signal(SIGINT, SIG_IGN);
2873 qhand = signal(SIGQUIT, SIG_IGN);
2875 result = wait4pid(childpid, &status, 0);
2876 } while (result == -1 && errno == EINTR);
2877 (void)signal(SIGINT, ihand);
2878 (void)signal(SIGQUIT, qhand);
2879 statusvalue = FIXSTATUS(status);
2883 value = (I32)((unsigned int)status & 0xffff);
2885 do_execfree(); /* free any memory child malloced on vfork */
2890 if (op->op_flags & OPf_STACKED) {
2891 SV *really = *++MARK;
2892 value = (I32)do_aexec(really, MARK, SP);
2894 else if (SP - MARK != 1)
2895 value = (I32)do_aexec(Nullsv, MARK, SP);
2897 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2900 #else /* ! FORK or VMS or OS/2 */
2901 if (op->op_flags & OPf_STACKED) {
2902 SV *really = *++MARK;
2903 value = (I32)do_aspawn(really, MARK, SP);
2905 else if (SP - MARK != 1)
2906 value = (I32)do_aspawn(Nullsv, MARK, SP);
2908 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2910 statusvalue = FIXSTATUS(value);
2914 #endif /* !FORK or VMS */
2920 dSP; dMARK; dORIGMARK; dTARGET;
2923 if (op->op_flags & OPf_STACKED) {
2924 SV *really = *++MARK;
2925 value = (I32)do_aexec(really, MARK, SP);
2927 else if (SP - MARK != 1)
2929 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2931 value = (I32)do_aexec(Nullsv, MARK, SP);
2935 char *junk = SvPV(*SP, na);
2937 TAINT_PROPER("exec");
2940 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2942 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2952 dSP; dMARK; dTARGET;
2955 value = (I32)apply(op->op_type, MARK, SP);
2960 DIE(no_func, "Unsupported function kill");
2968 XPUSHi( getppid() );
2971 DIE(no_func, "getppid");
2987 value = (I32)BSD_GETPGRP(pid);
2990 DIE("POSIX getpgrp can't take an argument");
2991 value = (I32)getpgrp();
2996 DIE(no_func, "getpgrp()");
3015 TAINT_PROPER("setpgrp");
3017 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3019 if ((pgrp != 0) || (pid != 0)) {
3020 DIE("POSIX setpgrp can't take an argument");
3022 SETi( setpgrp() >= 0 );
3023 #endif /* USE_BSDPGRP */
3026 DIE(no_func, "setpgrp()");
3035 #ifdef HAS_GETPRIORITY
3038 SETi( getpriority(which, who) );
3041 DIE(no_func, "getpriority()");
3051 #ifdef HAS_SETPRIORITY
3055 TAINT_PROPER("setpriority");
3056 SETi( setpriority(which, who, niceval) >= 0 );
3059 DIE(no_func, "setpriority()");
3069 XPUSHn( time(Null(Time_t*)) );
3071 XPUSHi( time(Null(Time_t*)) );
3076 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3077 to HZ. Probably. For now, assume that if the system
3078 defines HZ, it does so correctly. (Will this break
3080 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3081 it's supported. --AD 9/96.
3097 DIE("times not implemented");
3102 (void)times(×buf);
3104 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3105 /* struct tms, though same data */
3109 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3110 if (GIMME == G_ARRAY) {
3111 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3112 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3113 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3116 #endif /* HAS_TIMES */
3121 return pp_gmtime(ARGS);
3129 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3130 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3131 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3137 when = (Time_t)SvNVx(POPs);
3139 when = (Time_t)SvIVx(POPs);
3142 if (op->op_type == OP_LOCALTIME)
3143 tmbuf = localtime(&when);
3145 tmbuf = gmtime(&when);
3148 if (GIMME != G_ARRAY) {
3153 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3154 dayname[tmbuf->tm_wday],
3155 monname[tmbuf->tm_mon],
3160 tmbuf->tm_year + 1900);
3161 PUSHp(mybuf, strlen(mybuf));
3164 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3165 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3166 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3167 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3168 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3169 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3170 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3171 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3172 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3183 anum = alarm((unsigned int)anum);
3190 DIE(no_func, "Unsupported function alarm");
3201 (void)time(&lasttime);
3206 sleep((unsigned int)duration);
3209 XPUSHi(when - lasttime);
3213 /* Shared memory. */
3217 return pp_semget(ARGS);
3222 return pp_semctl(ARGS);
3227 return pp_shmwrite(ARGS);
3232 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3233 dSP; dMARK; dTARGET;
3234 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3239 return pp_semget(ARGS);
3243 /* Message passing. */
3247 return pp_semget(ARGS);
3252 return pp_semctl(ARGS);
3257 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3258 dSP; dMARK; dTARGET;
3259 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3264 return pp_semget(ARGS);
3270 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3271 dSP; dMARK; dTARGET;
3272 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3277 return pp_semget(ARGS);
3285 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3286 dSP; dMARK; dTARGET;
3287 int anum = do_ipcget(op->op_type, MARK, SP);
3294 DIE("System V IPC is not implemented on this machine");
3300 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3301 dSP; dMARK; dTARGET;
3302 int anum = do_ipcctl(op->op_type, MARK, SP);
3310 PUSHp("0 but true",10);
3314 return pp_semget(ARGS);
3320 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3321 dSP; dMARK; dTARGET;
3322 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3327 return pp_semget(ARGS);
3331 /* Get system info. */
3336 return pp_ghostent(ARGS);
3338 DIE(no_sock_func, "gethostbyname");
3345 return pp_ghostent(ARGS);
3347 DIE(no_sock_func, "gethostbyaddr");
3355 I32 which = op->op_type;
3356 register char **elem;
3358 struct hostent *gethostbyname();
3359 struct hostent *gethostbyaddr();
3360 #ifdef HAS_GETHOSTENT
3361 struct hostent *gethostent();
3363 struct hostent *hent;
3367 if (which == OP_GHBYNAME) {
3368 hent = gethostbyname(POPp);
3370 else if (which == OP_GHBYADDR) {
3371 int addrtype = POPi;
3374 char *addr = SvPV(addrsv, addrlen);
3376 hent = gethostbyaddr(addr, addrlen, addrtype);
3379 #ifdef HAS_GETHOSTENT
3380 hent = gethostent();
3382 DIE("gethostent not implemented");
3385 #ifdef HOST_NOT_FOUND
3387 statusvalue = FIXSTATUS(h_errno);
3390 if (GIMME != G_ARRAY) {
3391 PUSHs(sv = sv_newmortal());
3393 if (which == OP_GHBYNAME) {
3395 sv_setpvn(sv, hent->h_addr, hent->h_length);
3398 sv_setpv(sv, (char*)hent->h_name);
3404 PUSHs(sv = sv_mortalcopy(&sv_no));
3405 sv_setpv(sv, (char*)hent->h_name);
3406 PUSHs(sv = sv_mortalcopy(&sv_no));
3407 for (elem = hent->h_aliases; elem && *elem; elem++) {
3408 sv_catpv(sv, *elem);
3410 sv_catpvn(sv, " ", 1);
3412 PUSHs(sv = sv_mortalcopy(&sv_no));
3413 sv_setiv(sv, (I32)hent->h_addrtype);
3414 PUSHs(sv = sv_mortalcopy(&sv_no));
3415 len = hent->h_length;
3416 sv_setiv(sv, (I32)len);
3418 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3419 XPUSHs(sv = sv_mortalcopy(&sv_no));
3420 sv_setpvn(sv, *elem, len);
3423 PUSHs(sv = sv_mortalcopy(&sv_no));
3425 sv_setpvn(sv, hent->h_addr, len);
3430 DIE(no_sock_func, "gethostent");
3437 return pp_gnetent(ARGS);
3439 DIE(no_sock_func, "getnetbyname");
3446 return pp_gnetent(ARGS);
3448 DIE(no_sock_func, "getnetbyaddr");
3456 I32 which = op->op_type;
3457 register char **elem;
3459 struct netent *getnetbyname();
3460 struct netent *getnetbyaddr();
3461 struct netent *getnetent();
3462 struct netent *nent;
3464 if (which == OP_GNBYNAME)
3465 nent = getnetbyname(POPp);
3466 else if (which == OP_GNBYADDR) {
3467 int addrtype = POPi;
3468 unsigned long addr = U_L(POPn);
3469 nent = getnetbyaddr((long)addr, addrtype);
3475 if (GIMME != G_ARRAY) {
3476 PUSHs(sv = sv_newmortal());
3478 if (which == OP_GNBYNAME)
3479 sv_setiv(sv, (I32)nent->n_net);
3481 sv_setpv(sv, nent->n_name);
3487 PUSHs(sv = sv_mortalcopy(&sv_no));
3488 sv_setpv(sv, nent->n_name);
3489 PUSHs(sv = sv_mortalcopy(&sv_no));
3490 for (elem = nent->n_aliases; *elem; elem++) {
3491 sv_catpv(sv, *elem);
3493 sv_catpvn(sv, " ", 1);
3495 PUSHs(sv = sv_mortalcopy(&sv_no));
3496 sv_setiv(sv, (I32)nent->n_addrtype);
3497 PUSHs(sv = sv_mortalcopy(&sv_no));
3498 sv_setiv(sv, (I32)nent->n_net);
3503 DIE(no_sock_func, "getnetent");
3510 return pp_gprotoent(ARGS);
3512 DIE(no_sock_func, "getprotobyname");
3519 return pp_gprotoent(ARGS);
3521 DIE(no_sock_func, "getprotobynumber");
3529 I32 which = op->op_type;
3530 register char **elem;
3532 struct protoent *getprotobyname();
3533 struct protoent *getprotobynumber();
3534 struct protoent *getprotoent();
3535 struct protoent *pent;
3537 if (which == OP_GPBYNAME)
3538 pent = getprotobyname(POPp);
3539 else if (which == OP_GPBYNUMBER)
3540 pent = getprotobynumber(POPi);
3542 pent = getprotoent();
3545 if (GIMME != G_ARRAY) {
3546 PUSHs(sv = sv_newmortal());
3548 if (which == OP_GPBYNAME)
3549 sv_setiv(sv, (I32)pent->p_proto);
3551 sv_setpv(sv, pent->p_name);
3557 PUSHs(sv = sv_mortalcopy(&sv_no));
3558 sv_setpv(sv, pent->p_name);
3559 PUSHs(sv = sv_mortalcopy(&sv_no));
3560 for (elem = pent->p_aliases; *elem; elem++) {
3561 sv_catpv(sv, *elem);
3563 sv_catpvn(sv, " ", 1);
3565 PUSHs(sv = sv_mortalcopy(&sv_no));
3566 sv_setiv(sv, (I32)pent->p_proto);
3571 DIE(no_sock_func, "getprotoent");
3578 return pp_gservent(ARGS);
3580 DIE(no_sock_func, "getservbyname");
3587 return pp_gservent(ARGS);
3589 DIE(no_sock_func, "getservbyport");
3597 I32 which = op->op_type;
3598 register char **elem;
3600 struct servent *getservbyname();
3601 struct servent *getservbynumber();
3602 struct servent *getservent();
3603 struct servent *sent;
3605 if (which == OP_GSBYNAME) {
3609 if (proto && !*proto)
3612 sent = getservbyname(name, proto);
3614 else if (which == OP_GSBYPORT) {
3618 sent = getservbyport(port, proto);
3621 sent = getservent();
3624 if (GIMME != G_ARRAY) {
3625 PUSHs(sv = sv_newmortal());
3627 if (which == OP_GSBYNAME) {
3629 sv_setiv(sv, (I32)ntohs(sent->s_port));
3631 sv_setiv(sv, (I32)(sent->s_port));
3635 sv_setpv(sv, sent->s_name);
3641 PUSHs(sv = sv_mortalcopy(&sv_no));
3642 sv_setpv(sv, sent->s_name);
3643 PUSHs(sv = sv_mortalcopy(&sv_no));
3644 for (elem = sent->s_aliases; *elem; elem++) {
3645 sv_catpv(sv, *elem);
3647 sv_catpvn(sv, " ", 1);
3649 PUSHs(sv = sv_mortalcopy(&sv_no));
3651 sv_setiv(sv, (I32)ntohs(sent->s_port));
3653 sv_setiv(sv, (I32)(sent->s_port));
3655 PUSHs(sv = sv_mortalcopy(&sv_no));
3656 sv_setpv(sv, sent->s_proto);
3661 DIE(no_sock_func, "getservent");
3672 DIE(no_sock_func, "sethostent");
3683 DIE(no_sock_func, "setnetent");
3694 DIE(no_sock_func, "setprotoent");
3705 DIE(no_sock_func, "setservent");
3717 DIE(no_sock_func, "endhostent");
3729 DIE(no_sock_func, "endnetent");
3741 DIE(no_sock_func, "endprotoent");
3753 DIE(no_sock_func, "endservent");
3760 return pp_gpwent(ARGS);
3762 DIE(no_func, "getpwnam");
3769 return pp_gpwent(ARGS);
3771 DIE(no_func, "getpwuid");
3779 I32 which = op->op_type;
3781 struct passwd *pwent;
3783 if (which == OP_GPWNAM)
3784 pwent = getpwnam(POPp);
3785 else if (which == OP_GPWUID)
3786 pwent = getpwuid(POPi);
3788 pwent = (struct passwd *)getpwent();
3791 if (GIMME != G_ARRAY) {
3792 PUSHs(sv = sv_newmortal());
3794 if (which == OP_GPWNAM)
3795 sv_setiv(sv, (I32)pwent->pw_uid);
3797 sv_setpv(sv, pwent->pw_name);
3803 PUSHs(sv = sv_mortalcopy(&sv_no));
3804 sv_setpv(sv, pwent->pw_name);
3805 PUSHs(sv = sv_mortalcopy(&sv_no));
3806 sv_setpv(sv, pwent->pw_passwd);
3807 PUSHs(sv = sv_mortalcopy(&sv_no));
3808 sv_setiv(sv, (I32)pwent->pw_uid);
3809 PUSHs(sv = sv_mortalcopy(&sv_no));
3810 sv_setiv(sv, (I32)pwent->pw_gid);
3811 PUSHs(sv = sv_mortalcopy(&sv_no));
3813 sv_setiv(sv, (I32)pwent->pw_change);
3816 sv_setiv(sv, (I32)pwent->pw_quota);
3819 sv_setpv(sv, pwent->pw_age);
3823 PUSHs(sv = sv_mortalcopy(&sv_no));
3825 sv_setpv(sv, pwent->pw_class);
3828 sv_setpv(sv, pwent->pw_comment);
3831 PUSHs(sv = sv_mortalcopy(&sv_no));
3832 sv_setpv(sv, pwent->pw_gecos);
3833 PUSHs(sv = sv_mortalcopy(&sv_no));
3834 sv_setpv(sv, pwent->pw_dir);
3835 PUSHs(sv = sv_mortalcopy(&sv_no));
3836 sv_setpv(sv, pwent->pw_shell);
3838 PUSHs(sv = sv_mortalcopy(&sv_no));
3839 sv_setiv(sv, (I32)pwent->pw_expire);
3844 DIE(no_func, "getpwent");
3855 DIE(no_func, "setpwent");
3866 DIE(no_func, "endpwent");
3873 return pp_ggrent(ARGS);
3875 DIE(no_func, "getgrnam");
3882 return pp_ggrent(ARGS);
3884 DIE(no_func, "getgrgid");
3892 I32 which = op->op_type;
3893 register char **elem;
3895 struct group *grent;
3897 if (which == OP_GGRNAM)
3898 grent = (struct group *)getgrnam(POPp);
3899 else if (which == OP_GGRGID)
3900 grent = (struct group *)getgrgid(POPi);
3902 grent = (struct group *)getgrent();
3905 if (GIMME != G_ARRAY) {
3906 PUSHs(sv = sv_newmortal());
3908 if (which == OP_GGRNAM)
3909 sv_setiv(sv, (I32)grent->gr_gid);
3911 sv_setpv(sv, grent->gr_name);
3917 PUSHs(sv = sv_mortalcopy(&sv_no));
3918 sv_setpv(sv, grent->gr_name);
3919 PUSHs(sv = sv_mortalcopy(&sv_no));
3920 sv_setpv(sv, grent->gr_passwd);
3921 PUSHs(sv = sv_mortalcopy(&sv_no));
3922 sv_setiv(sv, (I32)grent->gr_gid);
3923 PUSHs(sv = sv_mortalcopy(&sv_no));
3924 for (elem = grent->gr_mem; *elem; elem++) {
3925 sv_catpv(sv, *elem);
3927 sv_catpvn(sv, " ", 1);
3933 DIE(no_func, "getgrent");
3944 DIE(no_func, "setgrent");
3955 DIE(no_func, "endgrent");
3965 if (!(tmps = getlogin()))
3967 PUSHp(tmps, strlen(tmps));
3970 DIE(no_func, "getlogin");
3974 /* Miscellaneous. */
3979 dSP; dMARK; dORIGMARK; dTARGET;
3980 register I32 items = SP - MARK;
3981 unsigned long a[20];
3987 while (++MARK <= SP) {
3988 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3989 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
3993 TAINT_PROPER("syscall");
3996 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3997 * or where sizeof(long) != sizeof(char*). But such machines will
3998 * not likely have syscall implemented either, so who cares?
4000 while (++MARK <= SP) {
4001 if (SvNIOK(*MARK) || !i)
4002 a[i++] = SvIV(*MARK);
4003 else if (*MARK == &sv_undef)
4006 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4012 DIE("Too many args to syscall");
4014 DIE("Too few args to syscall");
4016 retval = syscall(a[0]);
4019 retval = syscall(a[0],a[1]);
4022 retval = syscall(a[0],a[1],a[2]);
4025 retval = syscall(a[0],a[1],a[2],a[3]);
4028 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4031 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4034 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4037 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4041 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4044 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4047 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4051 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4055 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4059 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4060 a[10],a[11],a[12],a[13]);
4062 #endif /* atarist */
4068 DIE(no_func, "syscall");
4072 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
4074 /* XXX Emulate flock() with lockf(). This is just to increase
4075 portability of scripts. The calls are not completely
4076 interchangeable. What's really needed is a good file
4080 /* The lockf() constants might have been defined in <unistd.h>.
4081 Unfortunately, <unistd.h> causes troubles on some mixed
4082 (BSD/POSIX) systems, such as SunOS 4.1.3.
4084 Further, the lockf() constants aren't POSIX, so they might not be
4085 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4086 just stick in the SVID values and be done with it. Sigh.
4090 # define F_ULOCK 0 /* Unlock a previously locked region */
4093 # define F_LOCK 1 /* Lock a region for exclusive use */
4096 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4099 # define F_TEST 3 /* Test a region for other processes locks */
4102 /* These are the flock() constants. Since this sytems doesn't have
4103 flock(), the values of the constants are probably not available.
4119 lockf_emulate_flock (fd, operation)
4124 switch (operation) {
4126 /* LOCK_SH - get a shared lock */
4128 /* LOCK_EX - get an exclusive lock */
4130 i = lockf (fd, F_LOCK, 0);
4133 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4134 case LOCK_SH|LOCK_NB:
4135 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4136 case LOCK_EX|LOCK_NB:
4137 i = lockf (fd, F_TLOCK, 0);
4139 if ((errno == EAGAIN) || (errno == EACCES))
4140 errno = EWOULDBLOCK;
4143 /* LOCK_UN - unlock */
4145 i = lockf (fd, F_ULOCK, 0);
4148 /* Default - can't decipher operation */