3 * Copyright (c) 1991-1994, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
20 /* XXX Omit this -- it causes too much grief on mixed systems.
21 Next time, I should force broken systems to unset i_unistd in
30 /* Put this after #includes because fork and vfork prototypes may
37 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
38 # include <sys/socket.h>
42 # include <net/errno.h>
50 #include <sys/select.h>
63 struct passwd *getpwnam _((char *));
64 struct passwd *getpwuid _((Uid_t));
66 struct passwd *getpwent _((void));
73 struct group *getgrnam _((char *));
74 struct group *getgrgid _((Gid_t));
76 struct group *getgrent _((void));
89 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
90 static int dooneliner _((char *cmd, char *filename));
94 # define my_chsize chsize
105 fp = my_popen(tmps, "r");
107 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
108 if (GIMME == G_SCALAR) {
109 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
119 if (sv_gets(sv, fp, 0) == Nullch) {
123 XPUSHs(sv_2mortal(sv));
124 if (SvLEN(sv) - SvCUR(sv) > 20) {
125 SvLEN_set(sv, SvCUR(sv)+1);
126 Renew(SvPVX(sv), SvLEN(sv), char);
130 statusvalue = FIXSTATUS(my_pclose(fp));
134 if (GIMME == G_SCALAR)
146 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
147 last_in_gv = (GV*)*stack_sp--;
149 SAVESPTR(rs); /* This is not permanent, either. */
150 rs = sv_2mortal(newSVpv("", 1));
157 result = do_readline();
164 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
165 return do_readline();
170 last_in_gv = cGVOP->op_gv;
171 return do_readline();
178 if (SP - MARK != 1) {
180 do_join(TARG, &sv_no, MARK, SP);
181 tmps = SvPV(TARG, na);
185 tmps = SvPV(TOPs, na);
187 if (!tmps || !*tmps) {
188 SV *error = GvSV(errgv);
189 (void)SvUPGRADE(error, SVt_PV);
190 if (SvPOK(error) && SvCUR(error))
191 sv_catpv(error, "\t...caught");
192 tmps = SvPV(error, na);
195 tmps = "Warning: something's wrong";
204 if (SP - MARK != 1) {
206 do_join(TARG, &sv_no, MARK, SP);
207 tmps = SvPV(TARG, na);
211 tmps = SvPV(TOPs, na);
213 if (!tmps || !*tmps) {
214 SV *error = GvSV(errgv);
215 (void)SvUPGRADE(error, SVt_PV);
216 if (SvPOK(error) && SvCUR(error))
217 sv_catpv(error, "\t...propagated");
218 tmps = SvPV(error, na);
237 else if (SvTYPE(TOPs) == SVt_PVGV)
240 DIE(no_usym, "filehandle");
242 tmps = SvPV(sv, len);
243 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
244 IoLINES(GvIOp(gv)) = 0;
245 PUSHi( (I32)forkprocess );
247 else if (forkprocess == 0) /* we are a new child */
264 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
284 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
285 DIE(no_usym, "filehandle");
290 do_close(rgv, FALSE);
292 do_close(wgv, FALSE);
297 IoIFP(rstio) = fdopen(fd[0], "r");
298 IoOFP(wstio) = fdopen(fd[1], "w");
299 IoIFP(wstio) = IoOFP(wstio);
303 if (!IoIFP(rstio) || !IoOFP(wstio)) {
304 if (IoIFP(rstio)) fclose(IoIFP(rstio));
306 if (IoOFP(wstio)) fclose(IoOFP(wstio));
316 DIE(no_func, "pipe");
329 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
347 TAINT_PROPER("umask");
350 DIE(no_func, "Unsupported function umask");
368 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
373 if (!Fflush(fp) && (fp->_flag |= _IOBIN))
378 if (setmode(fileno(fp), OP_BINARY) != -1)
384 #if defined(USEMYBINMODE)
385 if (my_binmode(fp,IoTYPE(io)) != NULL)
404 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
405 I32 markoff = mark - stack_base - 1;
409 if (SvTYPE(varsv) == SVt_PVHV)
410 methname = "TIEHASH";
411 else if (SvTYPE(varsv) == SVt_PVAV)
412 methname = "TIEARRAY";
413 else if (SvTYPE(varsv) == SVt_PVGV)
414 methname = "TIEHANDLE";
416 methname = "TIESCALAR";
418 stash = gv_stashsv(mark[1], FALSE);
419 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
420 DIE("Can't locate object method \"%s\" via package \"%s\"",
421 methname, SvPV(mark[1],na));
423 Zero(&myop, 1, BINOP);
424 myop.op_last = (OP *) &myop;
425 myop.op_next = Nullop;
426 myop.op_flags = OPf_KNOW|OPf_STACKED;
431 if (perldb && curstash != debstash)
432 op->op_private |= OPpENTERSUB_DB;
437 if (op = pp_entersub())
442 if (sv_isobject(sv)) {
443 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
444 sv_unmagic(varsv, 'P');
445 sv_magic(varsv, sv, 'P', Nullch, 0);
448 sv_unmagic(varsv, 'q');
449 sv_magic(varsv, sv, 'q', Nullch, 0);
453 SP = stack_base + markoff;
464 if (hints & HINT_STRICT_UNTIE)
468 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
469 mg = mg_find(sv, 'P') ;
471 mg = mg_find(sv, 'q') ;
473 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
474 croak("Can't untie: %d inner references still exist",
475 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
479 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
494 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
495 mg = mg_find(sv, 'P') ;
497 mg = mg_find(sv, 'q') ;
500 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
520 sv = sv_mortalcopy(&sv_no);
521 sv_setpv(sv, "AnyDBM_File");
522 stash = gv_stashsv(sv, FALSE);
523 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
525 perl_require_pv("AnyDBM_File.pm");
527 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
528 DIE("No dbm on this machine");
531 Zero(&myop, 1, BINOP);
532 myop.op_last = (OP *) &myop;
533 myop.op_next = Nullop;
534 myop.op_flags = OPf_KNOW|OPf_STACKED;
539 if (perldb && curstash != debstash)
540 op->op_private |= OPpENTERSUB_DB;
548 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
550 PUSHs(sv_2mortal(newSViv(O_RDWR)));
555 if (op = pp_entersub())
559 if (!sv_isobject(TOPs)) {
567 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
572 if (op = pp_entersub())
577 if (sv_isobject(TOPs))
578 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
585 return pp_untie(ARGS);
599 struct timeval timebuf;
600 struct timeval *tbuf = &timebuf;
603 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
608 # if BYTEORDER & 0xf0000
609 # define ORDERBYTE (0x88888888 - BYTEORDER)
611 # define ORDERBYTE (0x4444 - BYTEORDER)
617 for (i = 1; i <= 3; i++) {
625 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
627 growsize = sizeof(fd_set);
629 growsize = maxlen; /* little endians can use vecs directly */
638 masksize = NFDBITS / NBBY;
640 masksize = sizeof(long); /* documented int, everyone seems to use long */
642 growsize = maxlen + (masksize - (maxlen % masksize));
643 Zero(&fd_sets[0], 4, char*);
651 timebuf.tv_sec = (long)value;
652 value -= (double)timebuf.tv_sec;
653 timebuf.tv_usec = (long)(value * 1000000.0);
656 tbuf = Null(struct timeval*);
658 for (i = 1; i <= 3; i++) {
665 SvPV_force(sv,na); /* force string conversion */
668 Sv_Grow(sv, growsize);
672 while (++j <= growsize) {
676 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
678 New(403, fd_sets[i], growsize, char);
679 for (offset = 0; offset < growsize; offset += masksize) {
680 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
681 fd_sets[i][j+offset] = s[(k % masksize) + offset];
684 fd_sets[i] = SvPVX(sv);
690 (Select_fd_set_t) fd_sets[1],
691 (Select_fd_set_t) fd_sets[2],
692 (Select_fd_set_t) fd_sets[3],
694 for (i = 1; i <= 3; i++) {
697 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
699 for (offset = 0; offset < growsize; offset += masksize) {
700 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
701 s[(k % masksize) + offset] = fd_sets[i][j+offset];
703 Safefree(fd_sets[i]);
710 if (GIMME == G_ARRAY && tbuf) {
711 value = (double)(timebuf.tv_sec) +
712 (double)(timebuf.tv_usec) / 1000000.0;
713 PUSHs(sv = sv_mortalcopy(&sv_no));
718 DIE("select not implemented");
727 (void)SvREFCNT_inc(gv);
729 SvREFCNT_dec(defoutgv);
739 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
741 egv = GvEGV(defoutgv);
748 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
749 if (gvp && *gvp == egv)
750 gv_efullname(TARG, defoutgv);
752 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
757 if (!GvIO(newdefout))
759 setdefout(newdefout);
776 if (!gv || do_eof(gv)) /* make sure we have fp with something */
780 *SvPVX(TARG) = getc(IoIFP(GvIOp(gv))); /* should never be EOF */
787 return pp_sysread(ARGS);
796 register CONTEXT *cx;
798 AV* padlist = CvPADLIST(cv);
799 SV** svp = AvARRAY(padlist);
805 PUSHBLOCK(cx, CXt_SUB, stack_sp);
808 curpad = AvARRAY((AV*)svp[1]);
810 setdefout(gv); /* locally select filehandle so $% et al work */
843 SV *tmpsv = sv_newmortal();
844 gv_efullname(tmpsv, gv);
845 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
847 DIE("Not a format reference");
849 IoFLAGS(io) &= ~IOf_DIDTOP;
851 return doform(cv,gv,op->op_next);
857 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
858 register IO *io = GvIOp(gv);
859 FILE *ofp = IoOFP(io);
863 register CONTEXT *cx;
865 DEBUG_f(fprintf(Perl_debug_log,"left=%ld, todo=%ld\n",
866 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
867 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
868 formtarget != toptarget)
876 if (!IoTOP_NAME(io)) {
878 IoFMT_NAME(io) = savepv(GvNAME(gv));
879 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
880 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
881 if ((topgv && GvFORM(topgv)) ||
882 !gv_fetchpv("top",FALSE,SVt_PVFM))
883 IoTOP_NAME(io) = savepv(tmpbuf);
885 IoTOP_NAME(io) = savepv("top");
887 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
888 if (!topgv || !GvFORM(topgv)) {
889 IoLINES_LEFT(io) = 100000000;
892 IoTOP_GV(io) = topgv;
894 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
895 I32 lines = IoLINES_LEFT(io);
896 char *s = SvPVX(formtarget);
897 if (lines <= 0) /* Yow, header didn't even fit!!! */
899 while (lines-- > 0) {
906 fwrite1(SvPVX(formtarget), s - SvPVX(formtarget), 1, ofp);
907 sv_chop(formtarget, s);
908 FmLINES(formtarget) -= IoLINES_LEFT(io);
911 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
912 fwrite1(SvPVX(formfeed), SvCUR(formfeed), 1, ofp);
913 IoLINES_LEFT(io) = IoPAGE_LEN(io);
915 formtarget = toptarget;
916 IoFLAGS(io) |= IOf_DIDTOP;
919 DIE("bad top format reference");
922 SV *tmpsv = sv_newmortal();
923 gv_efullname(tmpsv, fgv);
924 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
926 return doform(cv,gv,op);
938 warn("Filehandle only opened for input");
940 warn("Write on closed filehandle");
945 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
947 warn("page overflow");
949 if (!fwrite1(SvPVX(formtarget), 1, SvCUR(formtarget), ofp) ||
953 FmLINES(formtarget) = 0;
954 SvCUR_set(formtarget, 0);
955 *SvEND(formtarget) = '\0';
956 if (IoFLAGS(io) & IOf_FLUSH)
961 formtarget = bodytarget;
968 dSP; dMARK; dORIGMARK;
974 if (op->op_flags & OPf_STACKED)
978 if (!(io = GvIO(gv))) {
981 warn("Filehandle %s never opened", SvPV(sv,na));
983 SETERRNO(EBADF,RMS$_IFI);
986 else if (!(fp = IoOFP(io))) {
990 warn("Filehandle %s opened only for input", SvPV(sv,na));
992 warn("printf on closed filehandle %s", SvPV(sv,na));
994 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
998 do_sprintf(sv, SP - MARK, MARK + 1);
999 if (!do_print(sv, fp))
1002 if (IoFLAGS(io) & IOf_FLUSH)
1003 if (Fflush(fp) == EOF)
1035 tmps = SvPV(sv, len);
1036 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1037 IoLINES(GvIOp(gv)) = 0;
1048 dSP; dMARK; dORIGMARK; dTARGET;
1062 buffer = SvPV_force(bufsv, blen);
1063 length = SvIVx(*++MARK);
1065 DIE("Negative length");
1068 offset = SvIVx(*++MARK);
1072 if (!io || !IoIFP(io))
1075 if (op->op_type == OP_RECV) {
1076 bufsize = sizeof buf;
1077 buffer = SvGROW(bufsv, length+1);
1078 length = recvfrom(fileno(IoIFP(io)), buffer, length, offset,
1079 (struct sockaddr *)buf, &bufsize);
1082 SvCUR_set(bufsv, length);
1083 *SvEND(bufsv) = '\0';
1084 (void)SvPOK_only(bufsv);
1087 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1089 sv_setpvn(TARG, buf, bufsize);
1094 if (op->op_type == OP_RECV)
1095 DIE(no_sock_func, "recv");
1097 buffer = SvGROW(bufsv, length+offset+1);
1098 if (op->op_type == OP_SYSREAD) {
1099 length = read(fileno(IoIFP(io)), buffer+offset, length);
1102 #ifdef HAS_SOCKET__bad_code_maybe
1103 if (IoTYPE(io) == 's') {
1104 bufsize = sizeof buf;
1105 length = recvfrom(fileno(IoIFP(io)), buffer+offset, length, 0,
1106 (struct sockaddr *)buf, &bufsize);
1110 length = fread(buffer+offset, 1, length, IoIFP(io));
1113 SvCUR_set(bufsv, length+offset);
1114 *SvEND(bufsv) = '\0';
1115 (void)SvPOK_only(bufsv);
1118 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1130 return pp_send(ARGS);
1135 dSP; dMARK; dORIGMARK; dTARGET;
1148 buffer = SvPV(bufsv, blen);
1149 length = SvIVx(*++MARK);
1151 DIE("Negative length");
1154 if (!io || !IoIFP(io)) {
1157 if (op->op_type == OP_SYSWRITE)
1158 warn("Syswrite on closed filehandle");
1160 warn("Send on closed socket");
1163 else if (op->op_type == OP_SYSWRITE) {
1165 offset = SvIVx(*++MARK);
1168 if (length > blen - offset)
1169 length = blen - offset;
1170 length = write(fileno(IoIFP(io)), buffer+offset, length);
1173 else if (SP > MARK) {
1176 sockbuf = SvPVx(*++MARK, mlen);
1177 length = sendto(fileno(IoIFP(io)), buffer, blen, length,
1178 (struct sockaddr *)sockbuf, mlen);
1181 length = send(fileno(IoIFP(io)), buffer, blen, length);
1184 DIE(no_sock_func, "send");
1199 return pp_sysread(ARGS);
1210 gv = last_in_gv = (GV*)POPs;
1211 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1223 gv = last_in_gv = (GV*)POPs;
1224 PUSHi( do_tell(gv) );
1235 gv = last_in_gv = (GV*)POPs;
1236 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1243 Off_t len = (Off_t)POPn;
1248 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1249 if (op->op_flags & OPf_SPECIAL) {
1250 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1252 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1254 ftruncate(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1256 my_chsize(fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1262 if (SvTYPE(sv) == SVt_PVGV) {
1263 tmpgv = (GV*)sv; /* *main::FRED for example */
1266 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1267 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1271 if (truncate (SvPV (sv, na), len) < 0)
1277 if ((tmpfd = open(SvPV (sv, na), 0)) < 0)
1280 if (my_chsize(tmpfd, len) < 0)
1291 SETERRNO(EBADF,RMS$_IFI);
1294 DIE("truncate not implemented");
1300 return pp_ioctl(ARGS);
1307 unsigned int func = U_I(POPn);
1308 int optype = op->op_type;
1314 if (!io || !argsv || !IoIFP(io)) {
1315 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1319 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1321 s = SvPV_force(argsv, len);
1322 retval = IOCPARM_LEN(func);
1324 s = Sv_Grow(argsv, retval+1);
1325 SvCUR_set(argsv, retval);
1328 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1331 retval = SvIV(argsv);
1333 s = (char*)(long)retval; /* ouch */
1335 s = (char*)retval; /* ouch */
1339 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1341 if (optype == OP_IOCTL)
1343 retval = ioctl(fileno(IoIFP(io)), func, s);
1345 DIE("ioctl is not implemented");
1348 #if defined(DOSISH) && !defined(OS2)
1349 DIE("fcntl is not implemented");
1352 # if defined(OS2) && defined(__EMX__)
1353 retval = fcntl(fileno(IoIFP(io)), func, (int)s);
1355 retval = fcntl(fileno(IoIFP(io)), func, s);
1358 DIE("fcntl is not implemented");
1363 if (s[SvCUR(argsv)] != 17)
1364 DIE("Possible memory corruption: %s overflowed 3rd argument",
1366 s[SvCUR(argsv)] = 0; /* put our null back */
1367 SvSETMAGIC(argsv); /* Assume it has changed */
1376 PUSHp("0 but true", 10);
1389 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
1390 # define flock lockf_emulate_flock
1393 #if defined(HAS_FLOCK) || defined(flock)
1400 fp = IoIFP(GvIOp(gv));
1404 value = (I32)(flock(fileno(fp), argtype) >= 0);
1411 DIE(no_func, "flock()");
1423 int protocol = POPi;
1431 SETERRNO(EBADF,LIB$_INVARG);
1437 do_close(gv, FALSE);
1439 TAINT_PROPER("socket");
1440 fd = socket(domain, type, protocol);
1443 IoIFP(io) = fdopen(fd, "r"); /* stdio gets confused about sockets */
1444 IoOFP(io) = fdopen(fd, "w");
1446 if (!IoIFP(io) || !IoOFP(io)) {
1447 if (IoIFP(io)) fclose(IoIFP(io));
1448 if (IoOFP(io)) fclose(IoOFP(io));
1449 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1455 DIE(no_sock_func, "socket");
1462 #ifdef HAS_SOCKETPAIR
1467 int protocol = POPi;
1480 do_close(gv1, FALSE);
1482 do_close(gv2, FALSE);
1484 TAINT_PROPER("socketpair");
1485 if (socketpair(domain, type, protocol, fd) < 0)
1487 IoIFP(io1) = fdopen(fd[0], "r");
1488 IoOFP(io1) = fdopen(fd[0], "w");
1490 IoIFP(io2) = fdopen(fd[1], "r");
1491 IoOFP(io2) = fdopen(fd[1], "w");
1493 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1494 if (IoIFP(io1)) fclose(IoIFP(io1));
1495 if (IoOFP(io1)) fclose(IoOFP(io1));
1496 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1497 if (IoIFP(io2)) fclose(IoIFP(io2));
1498 if (IoOFP(io2)) fclose(IoOFP(io2));
1499 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1505 DIE(no_sock_func, "socketpair");
1516 register IO *io = GvIOn(gv);
1519 if (!io || !IoIFP(io))
1522 addr = SvPV(addrsv, len);
1523 TAINT_PROPER("bind");
1524 if (bind(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1531 warn("bind() on closed fd");
1532 SETERRNO(EBADF,SS$_IVCHAN);
1535 DIE(no_sock_func, "bind");
1546 register IO *io = GvIOn(gv);
1549 if (!io || !IoIFP(io))
1552 addr = SvPV(addrsv, len);
1553 TAINT_PROPER("connect");
1554 if (connect(fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1561 warn("connect() on closed fd");
1562 SETERRNO(EBADF,SS$_IVCHAN);
1565 DIE(no_sock_func, "connect");
1575 register IO *io = GvIOn(gv);
1577 if (!io || !IoIFP(io))
1580 if (listen(fileno(IoIFP(io)), backlog) >= 0)
1587 warn("listen() on closed fd");
1588 SETERRNO(EBADF,SS$_IVCHAN);
1591 DIE(no_sock_func, "listen");
1603 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1604 int len = sizeof saddr;
1616 if (!gstio || !IoIFP(gstio))
1621 do_close(ngv, FALSE);
1623 fd = accept(fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1626 IoIFP(nstio) = fdopen(fd, "r");
1627 IoOFP(nstio) = fdopen(fd, "w");
1628 IoTYPE(nstio) = 's';
1629 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1630 if (IoIFP(nstio)) fclose(IoIFP(nstio));
1631 if (IoOFP(nstio)) fclose(IoOFP(nstio));
1632 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1636 PUSHp((char *)&saddr, len);
1641 warn("accept() on closed fd");
1642 SETERRNO(EBADF,SS$_IVCHAN);
1648 DIE(no_sock_func, "accept");
1658 register IO *io = GvIOn(gv);
1660 if (!io || !IoIFP(io))
1663 PUSHi( shutdown(fileno(IoIFP(io)), how) >= 0 );
1668 warn("shutdown() on closed fd");
1669 SETERRNO(EBADF,SS$_IVCHAN);
1672 DIE(no_sock_func, "shutdown");
1679 return pp_ssockopt(ARGS);
1681 DIE(no_sock_func, "getsockopt");
1689 int optype = op->op_type;
1692 unsigned int optname;
1698 if (optype == OP_GSOCKOPT)
1699 sv = sv_2mortal(NEWSV(22, 257));
1702 optname = (unsigned int) POPi;
1703 lvl = (unsigned int) POPi;
1707 if (!io || !IoIFP(io))
1710 fd = fileno(IoIFP(io));
1714 (void)SvPOK_only(sv);
1718 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1728 buf = SvPV(sv, len);
1729 else if (SvOK(sv)) {
1730 aint = (int)SvIV(sv);
1734 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1744 warn("[gs]etsockopt() on closed fd");
1745 SETERRNO(EBADF,SS$_IVCHAN);
1750 DIE(no_sock_func, "setsockopt");
1757 return pp_getpeername(ARGS);
1759 DIE(no_sock_func, "getsockname");
1767 int optype = op->op_type;
1771 register IO *io = GvIOn(gv);
1774 if (!io || !IoIFP(io))
1777 sv = sv_2mortal(NEWSV(22, 257));
1778 (void)SvPOK_only(sv);
1782 fd = fileno(IoIFP(io));
1784 case OP_GETSOCKNAME:
1785 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1788 case OP_GETPEERNAME:
1789 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1800 warn("get{sock, peer}name() on closed fd");
1801 SETERRNO(EBADF,SS$_IVCHAN);
1806 DIE(no_sock_func, "getpeername");
1814 return pp_stat(ARGS);
1823 if (op->op_flags & OPf_REF) {
1824 tmpgv = cGVOP->op_gv;
1826 if (tmpgv != defgv) {
1827 laststype = OP_STAT;
1829 sv_setpv(statname, "");
1830 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1831 Fstat(fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1836 else if (laststatval < 0)
1841 if (SvTYPE(sv) == SVt_PVGV) {
1845 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1846 tmpgv = (GV*)SvRV(sv);
1849 sv_setpv(statname, SvPV(sv,na));
1852 laststype = op->op_type;
1853 if (op->op_type == OP_LSTAT)
1854 laststatval = lstat(SvPV(statname, na), &statcache);
1857 laststatval = Stat(SvPV(statname, na), &statcache);
1858 if (laststatval < 0) {
1859 if (dowarn && strchr(SvPV(statname, na), '\n'))
1860 warn(warn_nl, "stat");
1866 if (GIMME != G_ARRAY) {
1873 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1874 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1875 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1876 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1877 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1878 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1879 #ifdef USE_STAT_RDEV
1880 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1882 PUSHs(sv_2mortal(newSVpv("", 0)));
1884 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1886 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1887 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1888 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1890 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1891 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1892 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1894 #ifdef USE_STAT_BLOCKS
1895 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1896 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1898 PUSHs(sv_2mortal(newSVpv("", 0)));
1899 PUSHs(sv_2mortal(newSVpv("", 0)));
1907 I32 result = my_stat(ARGS);
1911 if (cando(S_IRUSR, 0, &statcache))
1918 I32 result = my_stat(ARGS);
1922 if (cando(S_IWUSR, 0, &statcache))
1929 I32 result = my_stat(ARGS);
1933 if (cando(S_IXUSR, 0, &statcache))
1940 I32 result = my_stat(ARGS);
1944 if (cando(S_IRUSR, 1, &statcache))
1951 I32 result = my_stat(ARGS);
1955 if (cando(S_IWUSR, 1, &statcache))
1962 I32 result = my_stat(ARGS);
1966 if (cando(S_IXUSR, 1, &statcache))
1973 I32 result = my_stat(ARGS);
1982 return pp_ftrowned(ARGS);
1987 I32 result = my_stat(ARGS);
1991 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
1998 I32 result = my_stat(ARGS);
2002 if (!statcache.st_size)
2009 I32 result = my_stat(ARGS);
2013 PUSHi(statcache.st_size);
2019 I32 result = my_stat(ARGS);
2023 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2029 I32 result = my_stat(ARGS);
2033 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2039 I32 result = my_stat(ARGS);
2043 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2049 I32 result = my_stat(ARGS);
2053 if (S_ISSOCK(statcache.st_mode))
2060 I32 result = my_stat(ARGS);
2064 if (S_ISCHR(statcache.st_mode))
2071 I32 result = my_stat(ARGS);
2075 if (S_ISBLK(statcache.st_mode))
2082 I32 result = my_stat(ARGS);
2086 if (S_ISREG(statcache.st_mode))
2093 I32 result = my_stat(ARGS);
2097 if (S_ISDIR(statcache.st_mode))
2104 I32 result = my_stat(ARGS);
2108 if (S_ISFIFO(statcache.st_mode))
2115 I32 result = my_lstat(ARGS);
2119 if (S_ISLNK(statcache.st_mode))
2128 I32 result = my_stat(ARGS);
2132 if (statcache.st_mode & S_ISUID)
2142 I32 result = my_stat(ARGS);
2146 if (statcache.st_mode & S_ISGID)
2156 I32 result = my_stat(ARGS);
2160 if (statcache.st_mode & S_ISVTX)
2172 if (op->op_flags & OPf_REF) {
2177 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2178 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2179 fd = fileno(IoIFP(GvIOp(gv)));
2180 else if (isDIGIT(*tmps))
2189 #if defined(atarist) /* this will work with atariST. Configure will
2190 make guesses for other systems. */
2191 # define FILE_base(f) ((f)->_base)
2192 # define FILE_ptr(f) ((f)->_ptr)
2193 # define FILE_cnt(f) ((f)->_cnt)
2194 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2204 register STDCHAR *s;
2208 if (op->op_flags & OPf_REF) {
2210 if (cGVOP->op_gv == defgv) {
2215 goto really_filename;
2219 statgv = cGVOP->op_gv;
2220 sv_setpv(statname, "");
2223 if (io && IoIFP(io)) {
2225 Fstat(fileno(IoIFP(io)), &statcache);
2226 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2227 if (op->op_type == OP_FTTEXT)
2231 if (FILE_cnt(IoIFP(io)) <= 0) {
2232 i = getc(IoIFP(io));
2234 (void)ungetc(i, IoIFP(io));
2236 if (FILE_cnt(IoIFP(io)) <= 0) /* null file is anything */
2238 len = FILE_bufsiz(IoIFP(io));
2239 s = FILE_base(IoIFP(io));
2241 DIE("-T and -B not implemented on filehandles");
2246 warn("Test on unopened file <%s>",
2247 GvENAME(cGVOP->op_gv));
2248 SETERRNO(EBADF,RMS$_IFI);
2255 sv_setpv(statname, SvPV(sv, na));
2258 i = open(SvPV(sv, na), O_RDONLY, 0);
2260 i = open(SvPV(sv, na), 0);
2263 if (dowarn && strchr(SvPV(sv, na), '\n'))
2264 warn(warn_nl, "open");
2267 Fstat(i, &statcache);
2268 len = read(i, tbuf, 512);
2271 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2272 RETPUSHNO; /* special case NFS directories */
2273 RETPUSHYES; /* null file is anything */
2278 /* now scan s to look for textiness */
2279 /* XXX ASCII dependent code */
2281 for (i = 0; i < len; i++, s++) {
2282 if (!*s) { /* null never allowed in text */
2289 *s != '\n' && *s != '\r' && *s != '\b' &&
2290 *s != '\t' && *s != '\f' && *s != 27)
2294 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2302 return pp_fttext(ARGS);
2317 if (!tmps || !*tmps) {
2318 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2320 tmps = SvPV(*svp, na);
2322 if (!tmps || !*tmps) {
2323 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2325 tmps = SvPV(*svp, na);
2327 TAINT_PROPER("chdir");
2328 PUSHi( chdir(tmps) >= 0 );
2330 /* Clear the DEFAULT element of ENV so we'll get the new value
2332 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2339 dSP; dMARK; dTARGET;
2342 value = (I32)apply(op->op_type, MARK, SP);
2347 DIE(no_func, "Unsupported function chown");
2357 TAINT_PROPER("chroot");
2358 PUSHi( chroot(tmps) >= 0 );
2361 DIE(no_func, "chroot");
2367 dSP; dMARK; dTARGET;
2369 value = (I32)apply(op->op_type, MARK, SP);
2377 dSP; dMARK; dTARGET;
2379 value = (I32)apply(op->op_type, MARK, SP);
2387 dSP; dMARK; dTARGET;
2389 value = (I32)apply(op->op_type, MARK, SP);
2401 char *tmps = SvPV(TOPs, na);
2402 TAINT_PROPER("rename");
2404 anum = rename(tmps, tmps2);
2406 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2409 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2410 (void)UNLINK(tmps2);
2411 if (!(anum = link(tmps, tmps2)))
2412 anum = UNLINK(tmps);
2424 char *tmps = SvPV(TOPs, na);
2425 TAINT_PROPER("link");
2426 SETi( link(tmps, tmps2) >= 0 );
2428 DIE(no_func, "Unsupported function link");
2438 char *tmps = SvPV(TOPs, na);
2439 TAINT_PROPER("symlink");
2440 SETi( symlink(tmps, tmps2) >= 0 );
2443 DIE(no_func, "symlink");
2454 len = readlink(tmps, buf, sizeof buf);
2462 RETSETUNDEF; /* just pretend it's a normal file */
2466 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2468 dooneliner(cmd, filename)
2474 *save_filename = filename;
2480 for (s = mybuf+strlen(mybuf); *filename; ) {
2485 myfp = my_popen(mybuf, "r");
2488 s = fgets(mybuf, sizeof mybuf, myfp);
2489 (void)my_pclose(myfp);
2491 for (errno = 1; errno < sys_nerr; errno++) {
2492 #ifdef HAS_SYS_ERRLIST
2493 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2496 char *errmsg; /* especially if it isn't there */
2499 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2505 #define EACCES EPERM
2507 if (instr(mybuf, "cannot make"))
2508 SETERRNO(EEXIST,RMS$_FEX);
2509 else if (instr(mybuf, "existing file"))
2510 SETERRNO(EEXIST,RMS$_FEX);
2511 else if (instr(mybuf, "ile exists"))
2512 SETERRNO(EEXIST,RMS$_FEX);
2513 else if (instr(mybuf, "non-exist"))
2514 SETERRNO(ENOENT,RMS$_FNF);
2515 else if (instr(mybuf, "does not exist"))
2516 SETERRNO(ENOENT,RMS$_FNF);
2517 else if (instr(mybuf, "not empty"))
2518 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2519 else if (instr(mybuf, "cannot access"))
2520 SETERRNO(EACCES,RMS$_PRV);
2522 SETERRNO(EPERM,RMS$_PRV);
2525 else { /* some mkdirs return no failure indication */
2526 anum = (Stat(save_filename, &statbuf) >= 0);
2527 if (op->op_type == OP_RMDIR)
2532 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2548 char *tmps = SvPV(TOPs, na);
2550 TAINT_PROPER("mkdir");
2552 SETi( mkdir(tmps, mode) >= 0 );
2554 SETi( dooneliner("mkdir", tmps) );
2555 oldumask = umask(0);
2557 chmod(tmps, (mode & ~oldumask) & 0777);
2568 TAINT_PROPER("rmdir");
2570 XPUSHi( rmdir(tmps) >= 0 );
2572 XPUSHi( dooneliner("rmdir", tmps) );
2577 /* Directory calls. */
2582 #if defined(Direntry_t) && defined(HAS_READDIR)
2583 char *dirname = POPp;
2585 register IO *io = GvIOn(gv);
2591 closedir(IoDIRP(io));
2592 if (!(IoDIRP(io) = opendir(dirname)))
2598 SETERRNO(EBADF,RMS$_DIR);
2601 DIE(no_dir_func, "opendir");
2608 #if defined(Direntry_t) && defined(HAS_READDIR)
2610 Direntry_t *readdir _((DIR *));
2612 register Direntry_t *dp;
2614 register IO *io = GvIOn(gv);
2616 if (!io || !IoDIRP(io))
2619 if (GIMME == G_ARRAY) {
2621 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2623 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2625 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2630 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2633 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2635 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2642 SETERRNO(EBADF,RMS$_ISI);
2643 if (GIMME == G_ARRAY)
2648 DIE(no_dir_func, "readdir");
2655 #if defined(HAS_TELLDIR) || defined(telldir)
2656 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2657 long telldir _((DIR *));
2660 register IO *io = GvIOn(gv);
2662 if (!io || !IoDIRP(io))
2665 PUSHi( telldir(IoDIRP(io)) );
2669 SETERRNO(EBADF,RMS$_ISI);
2672 DIE(no_dir_func, "telldir");
2679 #if defined(HAS_SEEKDIR) || defined(seekdir)
2682 register IO *io = GvIOn(gv);
2684 if (!io || !IoDIRP(io))
2687 (void)seekdir(IoDIRP(io), along);
2692 SETERRNO(EBADF,RMS$_ISI);
2695 DIE(no_dir_func, "seekdir");
2702 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2704 register IO *io = GvIOn(gv);
2706 if (!io || !IoDIRP(io))
2709 (void)rewinddir(IoDIRP(io));
2713 SETERRNO(EBADF,RMS$_ISI);
2716 DIE(no_dir_func, "rewinddir");
2723 #if defined(Direntry_t) && defined(HAS_READDIR)
2725 register IO *io = GvIOn(gv);
2727 if (!io || !IoDIRP(io))
2730 #ifdef VOID_CLOSEDIR
2731 closedir(IoDIRP(io));
2733 if (closedir(IoDIRP(io)) < 0) {
2734 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2743 SETERRNO(EBADF,RMS$_IFI);
2746 DIE(no_dir_func, "closedir");
2750 /* Process control. */
2765 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2766 sv_setiv(GvSV(tmpgv), (I32)getpid());
2767 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2772 DIE(no_func, "Unsupported function fork");
2785 childpid = wait(&argflags);
2787 pidgone(childpid, argflags);
2788 value = (I32)childpid;
2789 statusvalue = FIXSTATUS(argflags);
2793 DIE(no_func, "Unsupported function wait");
2808 childpid = wait4pid(childpid, &argflags, optype);
2809 value = (I32)childpid;
2810 statusvalue = FIXSTATUS(argflags);
2814 DIE(no_func, "Unsupported function wait");
2820 dSP; dMARK; dORIGMARK; dTARGET;
2825 Signal_t (*ihand)(); /* place to save signal during system() */
2826 Signal_t (*qhand)(); /* place to save signal during system() */
2828 #if defined(HAS_FORK) && !defined(VMS) && !defined(OS2)
2829 if (SP - MARK == 1) {
2831 char *junk = SvPV(TOPs, na);
2833 TAINT_PROPER("system");
2836 while ((childpid = vfork()) == -1) {
2837 if (errno != EAGAIN) {
2846 ihand = signal(SIGINT, SIG_IGN);
2847 qhand = signal(SIGQUIT, SIG_IGN);
2849 result = wait4pid(childpid, &status, 0);
2850 } while (result == -1 && errno == EINTR);
2851 (void)signal(SIGINT, ihand);
2852 (void)signal(SIGQUIT, qhand);
2853 statusvalue = FIXSTATUS(status);
2857 value = (I32)((unsigned int)status & 0xffff);
2859 do_execfree(); /* free any memory child malloced on vfork */
2864 if (op->op_flags & OPf_STACKED) {
2865 SV *really = *++MARK;
2866 value = (I32)do_aexec(really, MARK, SP);
2868 else if (SP - MARK != 1)
2869 value = (I32)do_aexec(Nullsv, MARK, SP);
2871 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2874 #else /* ! FORK or VMS or OS/2 */
2875 if (op->op_flags & OPf_STACKED) {
2876 SV *really = *++MARK;
2877 value = (I32)do_aspawn(really, MARK, SP);
2879 else if (SP - MARK != 1)
2880 value = (I32)do_aspawn(Nullsv, MARK, SP);
2882 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2884 statusvalue = FIXSTATUS(value);
2888 #endif /* !FORK or VMS */
2894 dSP; dMARK; dORIGMARK; dTARGET;
2897 if (op->op_flags & OPf_STACKED) {
2898 SV *really = *++MARK;
2899 value = (I32)do_aexec(really, MARK, SP);
2901 else if (SP - MARK != 1)
2903 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2905 value = (I32)do_aexec(Nullsv, MARK, SP);
2909 char *junk = SvPV(*SP, na);
2911 TAINT_PROPER("exec");
2914 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2916 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2926 dSP; dMARK; dTARGET;
2929 value = (I32)apply(op->op_type, MARK, SP);
2934 DIE(no_func, "Unsupported function kill");
2942 XPUSHi( getppid() );
2945 DIE(no_func, "getppid");
2961 value = (I32)BSD_GETPGRP(pid);
2964 DIE("POSIX getpgrp can't take an argument");
2965 value = (I32)getpgrp();
2970 DIE(no_func, "getpgrp()");
2989 TAINT_PROPER("setpgrp");
2991 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
2993 if ((pgrp != 0) || (pid != 0)) {
2994 DIE("POSIX setpgrp can't take an argument");
2996 SETi( setpgrp() >= 0 );
2997 #endif /* USE_BSDPGRP */
3000 DIE(no_func, "setpgrp()");
3009 #ifdef HAS_GETPRIORITY
3012 SETi( getpriority(which, who) );
3015 DIE(no_func, "getpriority()");
3025 #ifdef HAS_SETPRIORITY
3029 TAINT_PROPER("setpriority");
3030 SETi( setpriority(which, who, niceval) >= 0 );
3033 DIE(no_func, "setpriority()");
3043 XPUSHn( time(Null(Time_t*)) );
3045 XPUSHi( time(Null(Time_t*)) );
3058 #if defined(MSDOS) || !defined(HAS_TIMES)
3059 DIE("times not implemented");
3064 (void)times(×buf);
3066 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3067 /* struct tms, though same data */
3073 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3074 if (GIMME == G_ARRAY) {
3075 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3076 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3077 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3085 return pp_gmtime(ARGS);
3093 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3094 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3095 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3101 when = (Time_t)SvNVx(POPs);
3103 when = (Time_t)SvIVx(POPs);
3106 if (op->op_type == OP_LOCALTIME)
3107 tmbuf = localtime(&when);
3109 tmbuf = gmtime(&when);
3112 if (GIMME != G_ARRAY) {
3117 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3118 dayname[tmbuf->tm_wday],
3119 monname[tmbuf->tm_mon],
3124 tmbuf->tm_year + 1900);
3125 PUSHp(mybuf, strlen(mybuf));
3128 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3129 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3130 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3131 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3132 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3133 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3134 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3135 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3136 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3147 anum = alarm((unsigned int)anum);
3154 DIE(no_func, "Unsupported function alarm");
3165 (void)time(&lasttime);
3170 sleep((unsigned int)duration);
3173 XPUSHi(when - lasttime);
3177 /* Shared memory. */
3181 return pp_semget(ARGS);
3186 return pp_semctl(ARGS);
3191 return pp_shmwrite(ARGS);
3196 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3197 dSP; dMARK; dTARGET;
3198 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3203 return pp_semget(ARGS);
3207 /* Message passing. */
3211 return pp_semget(ARGS);
3216 return pp_semctl(ARGS);
3221 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3222 dSP; dMARK; dTARGET;
3223 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3228 return pp_semget(ARGS);
3234 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3235 dSP; dMARK; dTARGET;
3236 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3241 return pp_semget(ARGS);
3249 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3250 dSP; dMARK; dTARGET;
3251 int anum = do_ipcget(op->op_type, MARK, SP);
3258 DIE("System V IPC is not implemented on this machine");
3264 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3265 dSP; dMARK; dTARGET;
3266 int anum = do_ipcctl(op->op_type, MARK, SP);
3274 PUSHp("0 but true",10);
3278 return pp_semget(ARGS);
3284 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3285 dSP; dMARK; dTARGET;
3286 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3291 return pp_semget(ARGS);
3295 /* Get system info. */
3300 return pp_ghostent(ARGS);
3302 DIE(no_sock_func, "gethostbyname");
3309 return pp_ghostent(ARGS);
3311 DIE(no_sock_func, "gethostbyaddr");
3319 I32 which = op->op_type;
3320 register char **elem;
3322 struct hostent *gethostbyname();
3323 struct hostent *gethostbyaddr();
3324 #ifdef HAS_GETHOSTENT
3325 struct hostent *gethostent();
3327 struct hostent *hent;
3331 if (which == OP_GHBYNAME) {
3332 hent = gethostbyname(POPp);
3334 else if (which == OP_GHBYADDR) {
3335 int addrtype = POPi;
3338 char *addr = SvPV(addrsv, addrlen);
3340 hent = gethostbyaddr(addr, addrlen, addrtype);
3343 #ifdef HAS_GETHOSTENT
3344 hent = gethostent();
3346 DIE("gethostent not implemented");
3349 #ifdef HOST_NOT_FOUND
3351 statusvalue = FIXSTATUS(h_errno);
3354 if (GIMME != G_ARRAY) {
3355 PUSHs(sv = sv_newmortal());
3357 if (which == OP_GHBYNAME) {
3359 sv_setpvn(sv, hent->h_addr, hent->h_length);
3362 sv_setpv(sv, (char*)hent->h_name);
3368 PUSHs(sv = sv_mortalcopy(&sv_no));
3369 sv_setpv(sv, (char*)hent->h_name);
3370 PUSHs(sv = sv_mortalcopy(&sv_no));
3371 for (elem = hent->h_aliases; elem && *elem; elem++) {
3372 sv_catpv(sv, *elem);
3374 sv_catpvn(sv, " ", 1);
3376 PUSHs(sv = sv_mortalcopy(&sv_no));
3377 sv_setiv(sv, (I32)hent->h_addrtype);
3378 PUSHs(sv = sv_mortalcopy(&sv_no));
3379 len = hent->h_length;
3380 sv_setiv(sv, (I32)len);
3382 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3383 XPUSHs(sv = sv_mortalcopy(&sv_no));
3384 sv_setpvn(sv, *elem, len);
3387 PUSHs(sv = sv_mortalcopy(&sv_no));
3389 sv_setpvn(sv, hent->h_addr, len);
3394 DIE(no_sock_func, "gethostent");
3401 return pp_gnetent(ARGS);
3403 DIE(no_sock_func, "getnetbyname");
3410 return pp_gnetent(ARGS);
3412 DIE(no_sock_func, "getnetbyaddr");
3420 I32 which = op->op_type;
3421 register char **elem;
3423 struct netent *getnetbyname();
3424 struct netent *getnetbyaddr();
3425 struct netent *getnetent();
3426 struct netent *nent;
3428 if (which == OP_GNBYNAME)
3429 nent = getnetbyname(POPp);
3430 else if (which == OP_GNBYADDR) {
3431 int addrtype = POPi;
3432 unsigned long addr = U_L(POPn);
3433 nent = getnetbyaddr((long)addr, addrtype);
3439 if (GIMME != G_ARRAY) {
3440 PUSHs(sv = sv_newmortal());
3442 if (which == OP_GNBYNAME)
3443 sv_setiv(sv, (I32)nent->n_net);
3445 sv_setpv(sv, nent->n_name);
3451 PUSHs(sv = sv_mortalcopy(&sv_no));
3452 sv_setpv(sv, nent->n_name);
3453 PUSHs(sv = sv_mortalcopy(&sv_no));
3454 for (elem = nent->n_aliases; *elem; elem++) {
3455 sv_catpv(sv, *elem);
3457 sv_catpvn(sv, " ", 1);
3459 PUSHs(sv = sv_mortalcopy(&sv_no));
3460 sv_setiv(sv, (I32)nent->n_addrtype);
3461 PUSHs(sv = sv_mortalcopy(&sv_no));
3462 sv_setiv(sv, (I32)nent->n_net);
3467 DIE(no_sock_func, "getnetent");
3474 return pp_gprotoent(ARGS);
3476 DIE(no_sock_func, "getprotobyname");
3483 return pp_gprotoent(ARGS);
3485 DIE(no_sock_func, "getprotobynumber");
3493 I32 which = op->op_type;
3494 register char **elem;
3496 struct protoent *getprotobyname();
3497 struct protoent *getprotobynumber();
3498 struct protoent *getprotoent();
3499 struct protoent *pent;
3501 if (which == OP_GPBYNAME)
3502 pent = getprotobyname(POPp);
3503 else if (which == OP_GPBYNUMBER)
3504 pent = getprotobynumber(POPi);
3506 pent = getprotoent();
3509 if (GIMME != G_ARRAY) {
3510 PUSHs(sv = sv_newmortal());
3512 if (which == OP_GPBYNAME)
3513 sv_setiv(sv, (I32)pent->p_proto);
3515 sv_setpv(sv, pent->p_name);
3521 PUSHs(sv = sv_mortalcopy(&sv_no));
3522 sv_setpv(sv, pent->p_name);
3523 PUSHs(sv = sv_mortalcopy(&sv_no));
3524 for (elem = pent->p_aliases; *elem; elem++) {
3525 sv_catpv(sv, *elem);
3527 sv_catpvn(sv, " ", 1);
3529 PUSHs(sv = sv_mortalcopy(&sv_no));
3530 sv_setiv(sv, (I32)pent->p_proto);
3535 DIE(no_sock_func, "getprotoent");
3542 return pp_gservent(ARGS);
3544 DIE(no_sock_func, "getservbyname");
3551 return pp_gservent(ARGS);
3553 DIE(no_sock_func, "getservbyport");
3561 I32 which = op->op_type;
3562 register char **elem;
3564 struct servent *getservbyname();
3565 struct servent *getservbynumber();
3566 struct servent *getservent();
3567 struct servent *sent;
3569 if (which == OP_GSBYNAME) {
3573 if (proto && !*proto)
3576 sent = getservbyname(name, proto);
3578 else if (which == OP_GSBYPORT) {
3582 sent = getservbyport(port, proto);
3585 sent = getservent();
3588 if (GIMME != G_ARRAY) {
3589 PUSHs(sv = sv_newmortal());
3591 if (which == OP_GSBYNAME) {
3593 sv_setiv(sv, (I32)ntohs(sent->s_port));
3595 sv_setiv(sv, (I32)(sent->s_port));
3599 sv_setpv(sv, sent->s_name);
3605 PUSHs(sv = sv_mortalcopy(&sv_no));
3606 sv_setpv(sv, sent->s_name);
3607 PUSHs(sv = sv_mortalcopy(&sv_no));
3608 for (elem = sent->s_aliases; *elem; elem++) {
3609 sv_catpv(sv, *elem);
3611 sv_catpvn(sv, " ", 1);
3613 PUSHs(sv = sv_mortalcopy(&sv_no));
3615 sv_setiv(sv, (I32)ntohs(sent->s_port));
3617 sv_setiv(sv, (I32)(sent->s_port));
3619 PUSHs(sv = sv_mortalcopy(&sv_no));
3620 sv_setpv(sv, sent->s_proto);
3625 DIE(no_sock_func, "getservent");
3636 DIE(no_sock_func, "sethostent");
3647 DIE(no_sock_func, "setnetent");
3658 DIE(no_sock_func, "setprotoent");
3669 DIE(no_sock_func, "setservent");
3681 DIE(no_sock_func, "endhostent");
3693 DIE(no_sock_func, "endnetent");
3705 DIE(no_sock_func, "endprotoent");
3717 DIE(no_sock_func, "endservent");
3724 return pp_gpwent(ARGS);
3726 DIE(no_func, "getpwnam");
3733 return pp_gpwent(ARGS);
3735 DIE(no_func, "getpwuid");
3743 I32 which = op->op_type;
3745 struct passwd *pwent;
3747 if (which == OP_GPWNAM)
3748 pwent = getpwnam(POPp);
3749 else if (which == OP_GPWUID)
3750 pwent = getpwuid(POPi);
3752 pwent = (struct passwd *)getpwent();
3755 if (GIMME != G_ARRAY) {
3756 PUSHs(sv = sv_newmortal());
3758 if (which == OP_GPWNAM)
3759 sv_setiv(sv, (I32)pwent->pw_uid);
3761 sv_setpv(sv, pwent->pw_name);
3767 PUSHs(sv = sv_mortalcopy(&sv_no));
3768 sv_setpv(sv, pwent->pw_name);
3769 PUSHs(sv = sv_mortalcopy(&sv_no));
3770 sv_setpv(sv, pwent->pw_passwd);
3771 PUSHs(sv = sv_mortalcopy(&sv_no));
3772 sv_setiv(sv, (I32)pwent->pw_uid);
3773 PUSHs(sv = sv_mortalcopy(&sv_no));
3774 sv_setiv(sv, (I32)pwent->pw_gid);
3775 PUSHs(sv = sv_mortalcopy(&sv_no));
3777 sv_setiv(sv, (I32)pwent->pw_change);
3780 sv_setiv(sv, (I32)pwent->pw_quota);
3783 sv_setpv(sv, pwent->pw_age);
3787 PUSHs(sv = sv_mortalcopy(&sv_no));
3789 sv_setpv(sv, pwent->pw_class);
3792 sv_setpv(sv, pwent->pw_comment);
3795 PUSHs(sv = sv_mortalcopy(&sv_no));
3796 sv_setpv(sv, pwent->pw_gecos);
3797 PUSHs(sv = sv_mortalcopy(&sv_no));
3798 sv_setpv(sv, pwent->pw_dir);
3799 PUSHs(sv = sv_mortalcopy(&sv_no));
3800 sv_setpv(sv, pwent->pw_shell);
3802 PUSHs(sv = sv_mortalcopy(&sv_no));
3803 sv_setiv(sv, (I32)pwent->pw_expire);
3808 DIE(no_func, "getpwent");
3819 DIE(no_func, "setpwent");
3830 DIE(no_func, "endpwent");
3837 return pp_ggrent(ARGS);
3839 DIE(no_func, "getgrnam");
3846 return pp_ggrent(ARGS);
3848 DIE(no_func, "getgrgid");
3856 I32 which = op->op_type;
3857 register char **elem;
3859 struct group *grent;
3861 if (which == OP_GGRNAM)
3862 grent = (struct group *)getgrnam(POPp);
3863 else if (which == OP_GGRGID)
3864 grent = (struct group *)getgrgid(POPi);
3866 grent = (struct group *)getgrent();
3869 if (GIMME != G_ARRAY) {
3870 PUSHs(sv = sv_newmortal());
3872 if (which == OP_GGRNAM)
3873 sv_setiv(sv, (I32)grent->gr_gid);
3875 sv_setpv(sv, grent->gr_name);
3881 PUSHs(sv = sv_mortalcopy(&sv_no));
3882 sv_setpv(sv, grent->gr_name);
3883 PUSHs(sv = sv_mortalcopy(&sv_no));
3884 sv_setpv(sv, grent->gr_passwd);
3885 PUSHs(sv = sv_mortalcopy(&sv_no));
3886 sv_setiv(sv, (I32)grent->gr_gid);
3887 PUSHs(sv = sv_mortalcopy(&sv_no));
3888 for (elem = grent->gr_mem; *elem; elem++) {
3889 sv_catpv(sv, *elem);
3891 sv_catpvn(sv, " ", 1);
3897 DIE(no_func, "getgrent");
3908 DIE(no_func, "setgrent");
3919 DIE(no_func, "endgrent");
3929 if (!(tmps = getlogin()))
3931 PUSHp(tmps, strlen(tmps));
3934 DIE(no_func, "getlogin");
3938 /* Miscellaneous. */
3943 dSP; dMARK; dORIGMARK; dTARGET;
3944 register I32 items = SP - MARK;
3945 unsigned long a[20];
3951 while (++MARK <= SP) {
3952 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3953 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
3957 TAINT_PROPER("syscall");
3960 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3961 * or where sizeof(long) != sizeof(char*). But such machines will
3962 * not likely have syscall implemented either, so who cares?
3964 while (++MARK <= SP) {
3965 if (SvNIOK(*MARK) || !i)
3966 a[i++] = SvIV(*MARK);
3967 else if (*MARK == &sv_undef)
3970 a[i++] = (unsigned long)SvPV_force(*MARK, na);
3976 DIE("Too many args to syscall");
3978 DIE("Too few args to syscall");
3980 retval = syscall(a[0]);
3983 retval = syscall(a[0],a[1]);
3986 retval = syscall(a[0],a[1],a[2]);
3989 retval = syscall(a[0],a[1],a[2],a[3]);
3992 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
3995 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
3998 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4001 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4005 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4008 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4011 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4015 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4019 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4023 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4024 a[10],a[11],a[12],a[13]);
4026 #endif /* atarist */
4032 DIE(no_func, "syscall");
4036 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
4038 /* XXX Emulate flock() with lockf(). This is just to increase
4039 portability of scripts. The calls are not completely
4040 interchangeable. What's really needed is a good file
4044 /* We might need <unistd.h> because it sometimes defines the lockf()
4045 constants. Unfortunately, <unistd.h> causes troubles on some mixed
4046 (BSD/POSIX) systems, such as SunOS 4.1.3. We could just try including
4047 <unistd.h> here in this part of the file, but that might
4048 conflict with various other #defines and includes above, such as
4049 #define vfork fork above.
4051 Further, the lockf() constants aren't POSIX, so they might not be
4052 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4053 just stick in the SVID values and be done with it. Sigh.
4057 # define F_ULOCK 0 /* Unlock a previously locked region */
4060 # define F_LOCK 1 /* Lock a region for exclusive use */
4063 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4066 # define F_TEST 3 /* Test a region for other processes locks */
4069 /* These are the flock() constants. Since this sytems doesn't have
4070 flock(), the values of the constants are probably not available.
4086 lockf_emulate_flock (fd, operation)
4091 switch (operation) {
4093 /* LOCK_SH - get a shared lock */
4095 /* LOCK_EX - get an exclusive lock */
4097 i = lockf (fd, F_LOCK, 0);
4100 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4101 case LOCK_SH|LOCK_NB:
4102 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4103 case LOCK_EX|LOCK_NB:
4104 i = lockf (fd, F_TLOCK, 0);
4106 if ((errno == EAGAIN) || (errno == EACCES))
4107 errno = EWOULDBLOCK;
4110 /* LOCK_UN - unlock */
4112 i = lockf (fd, F_ULOCK, 0);
4115 /* Default - can't decipher operation */