3 * Copyright (c) 1991-1994, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
20 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
26 # include <sys/wait.h>
30 # include <sys/resource.h>
33 /* Put this after #includes because fork and vfork prototypes may
40 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
41 # include <sys/socket.h>
45 # include <net/errno.h>
52 #include <sys/select.h>
64 struct passwd *getpwnam _((char *));
65 struct passwd *getpwuid _((Uid_t));
67 struct passwd *getpwent _((void));
74 struct group *getgrnam _((char *));
75 struct group *getgrgid _((Gid_t));
77 struct group *getgrent _((void));
90 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
91 static int dooneliner _((char *cmd, char *filename));
95 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
98 # define my_chsize chsize
109 fp = my_popen(tmps, "r");
111 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
112 if (GIMME == G_SCALAR) {
113 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
123 if (sv_gets(sv, fp, 0) == Nullch) {
127 XPUSHs(sv_2mortal(sv));
128 if (SvLEN(sv) - SvCUR(sv) > 20) {
129 SvLEN_set(sv, SvCUR(sv)+1);
130 Renew(SvPVX(sv), SvLEN(sv), char);
134 statusvalue = FIXSTATUS(my_pclose(fp));
138 if (GIMME == G_SCALAR)
150 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
151 last_in_gv = (GV*)*stack_sp--;
153 SAVESPTR(rs); /* This is not permanent, either. */
154 rs = sv_2mortal(newSVpv("", 1));
161 result = do_readline();
168 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
169 return do_readline();
174 last_in_gv = cGVOP->op_gv;
175 return do_readline();
182 if (SP - MARK != 1) {
184 do_join(TARG, &sv_no, MARK, SP);
185 tmps = SvPV(TARG, na);
189 tmps = SvPV(TOPs, na);
191 if (!tmps || !*tmps) {
192 SV *error = GvSV(errgv);
193 (void)SvUPGRADE(error, SVt_PV);
194 if (SvPOK(error) && SvCUR(error))
195 sv_catpv(error, "\t...caught");
196 tmps = SvPV(error, na);
199 tmps = "Warning: something's wrong";
208 if (SP - MARK != 1) {
210 do_join(TARG, &sv_no, MARK, SP);
211 tmps = SvPV(TARG, na);
215 tmps = SvPV(TOPs, na);
217 if (!tmps || !*tmps) {
218 SV *error = GvSV(errgv);
219 (void)SvUPGRADE(error, SVt_PV);
220 if (SvPOK(error) && SvCUR(error))
221 sv_catpv(error, "\t...propagated");
222 tmps = SvPV(error, na);
241 else if (SvTYPE(TOPs) == SVt_PVGV)
244 DIE(no_usym, "filehandle");
246 tmps = SvPV(sv, len);
247 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
248 IoLINES(GvIOp(gv)) = 0;
249 PUSHi( (I32)forkprocess );
251 else if (forkprocess == 0) /* we are a new child */
268 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
288 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
289 DIE(no_usym, "filehandle");
294 do_close(rgv, FALSE);
296 do_close(wgv, FALSE);
301 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
302 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
303 IoIFP(wstio) = IoOFP(wstio);
307 if (!IoIFP(rstio) || !IoOFP(wstio)) {
308 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
310 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
320 DIE(no_func, "pipe");
333 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
335 PUSHi(PerlIO_fileno(fp));
351 TAINT_PROPER("umask");
354 DIE(no_func, "Unsupported function umask");
372 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
377 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
382 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
388 #if defined(USEMYBINMODE)
389 if (my_binmode(fp,IoTYPE(io)) != NULL)
408 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
409 I32 markoff = mark - stack_base - 1;
413 if (SvTYPE(varsv) == SVt_PVHV)
414 methname = "TIEHASH";
415 else if (SvTYPE(varsv) == SVt_PVAV)
416 methname = "TIEARRAY";
417 else if (SvTYPE(varsv) == SVt_PVGV)
418 methname = "TIEHANDLE";
420 methname = "TIESCALAR";
422 stash = gv_stashsv(mark[1], FALSE);
423 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
424 DIE("Can't locate object method \"%s\" via package \"%s\"",
425 methname, SvPV(mark[1],na));
427 Zero(&myop, 1, BINOP);
428 myop.op_last = (OP *) &myop;
429 myop.op_next = Nullop;
430 myop.op_flags = OPf_KNOW|OPf_STACKED;
435 if (perldb && curstash != debstash)
436 op->op_private |= OPpENTERSUB_DB;
441 if (op = pp_entersub())
446 if (sv_isobject(sv)) {
447 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
448 sv_unmagic(varsv, 'P');
449 sv_magic(varsv, sv, 'P', Nullch, 0);
452 sv_unmagic(varsv, 'q');
453 sv_magic(varsv, sv, 'q', Nullch, 0);
457 SP = stack_base + markoff;
468 if (hints & HINT_STRICT_UNTIE)
472 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
473 mg = mg_find(sv, 'P') ;
475 mg = mg_find(sv, 'q') ;
477 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
478 croak("Can't untie: %d inner references still exist",
479 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
483 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
498 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
499 mg = mg_find(sv, 'P') ;
501 mg = mg_find(sv, 'q') ;
504 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
524 sv = sv_mortalcopy(&sv_no);
525 sv_setpv(sv, "AnyDBM_File");
526 stash = gv_stashsv(sv, FALSE);
527 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
529 perl_require_pv("AnyDBM_File.pm");
531 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
532 DIE("No dbm on this machine");
535 Zero(&myop, 1, BINOP);
536 myop.op_last = (OP *) &myop;
537 myop.op_next = Nullop;
538 myop.op_flags = OPf_KNOW|OPf_STACKED;
543 if (perldb && curstash != debstash)
544 op->op_private |= OPpENTERSUB_DB;
552 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
554 PUSHs(sv_2mortal(newSViv(O_RDWR)));
559 if (op = pp_entersub())
563 if (!sv_isobject(TOPs)) {
571 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
576 if (op = pp_entersub())
581 if (sv_isobject(TOPs))
582 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
589 return pp_untie(ARGS);
603 struct timeval timebuf;
604 struct timeval *tbuf = &timebuf;
607 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
612 # if BYTEORDER & 0xf0000
613 # define ORDERBYTE (0x88888888 - BYTEORDER)
615 # define ORDERBYTE (0x4444 - BYTEORDER)
621 for (i = 1; i <= 3; i++) {
629 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
631 growsize = sizeof(fd_set);
633 growsize = maxlen; /* little endians can use vecs directly */
642 masksize = NFDBITS / NBBY;
644 masksize = sizeof(long); /* documented int, everyone seems to use long */
646 growsize = maxlen + (masksize - (maxlen % masksize));
647 Zero(&fd_sets[0], 4, char*);
655 timebuf.tv_sec = (long)value;
656 value -= (double)timebuf.tv_sec;
657 timebuf.tv_usec = (long)(value * 1000000.0);
660 tbuf = Null(struct timeval*);
662 for (i = 1; i <= 3; i++) {
669 SvPV_force(sv,na); /* force string conversion */
672 Sv_Grow(sv, growsize);
676 while (++j <= growsize) {
680 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
682 New(403, fd_sets[i], growsize, char);
683 for (offset = 0; offset < growsize; offset += masksize) {
684 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
685 fd_sets[i][j+offset] = s[(k % masksize) + offset];
688 fd_sets[i] = SvPVX(sv);
694 (Select_fd_set_t) fd_sets[1],
695 (Select_fd_set_t) fd_sets[2],
696 (Select_fd_set_t) fd_sets[3],
698 for (i = 1; i <= 3; i++) {
701 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
703 for (offset = 0; offset < growsize; offset += masksize) {
704 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
705 s[(k % masksize) + offset] = fd_sets[i][j+offset];
707 Safefree(fd_sets[i]);
714 if (GIMME == G_ARRAY && tbuf) {
715 value = (double)(timebuf.tv_sec) +
716 (double)(timebuf.tv_usec) / 1000000.0;
717 PUSHs(sv = sv_mortalcopy(&sv_no));
722 DIE("select not implemented");
731 (void)SvREFCNT_inc(gv);
733 SvREFCNT_dec(defoutgv);
743 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
745 egv = GvEGV(defoutgv);
752 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
753 if (gvp && *gvp == egv)
754 gv_efullname(TARG, defoutgv, Nullch);
756 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
761 if (!GvIO(newdefout))
763 setdefout(newdefout);
780 if (!gv || do_eof(gv)) /* make sure we have fp with something */
784 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
791 return pp_sysread(ARGS);
800 register CONTEXT *cx;
802 AV* padlist = CvPADLIST(cv);
803 SV** svp = AvARRAY(padlist);
809 PUSHBLOCK(cx, CXt_SUB, stack_sp);
812 curpad = AvARRAY((AV*)svp[1]);
814 setdefout(gv); /* locally select filehandle so $% et al work */
847 SV *tmpsv = sv_newmortal();
848 gv_efullname(tmpsv, fgv, Nullch);
849 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
851 DIE("Not a format reference");
853 IoFLAGS(io) &= ~IOf_DIDTOP;
855 return doform(cv,gv,op->op_next);
861 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
862 register IO *io = GvIOp(gv);
863 PerlIO *ofp = IoOFP(io);
867 register CONTEXT *cx;
869 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
870 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
871 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
872 formtarget != toptarget)
880 if (!IoTOP_NAME(io)) {
882 IoFMT_NAME(io) = savepv(GvNAME(gv));
883 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
884 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
885 if ((topgv && GvFORM(topgv)) ||
886 !gv_fetchpv("top",FALSE,SVt_PVFM))
887 IoTOP_NAME(io) = savepv(tmpbuf);
889 IoTOP_NAME(io) = savepv("top");
891 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
892 if (!topgv || !GvFORM(topgv)) {
893 IoLINES_LEFT(io) = 100000000;
896 IoTOP_GV(io) = topgv;
898 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
899 I32 lines = IoLINES_LEFT(io);
900 char *s = SvPVX(formtarget);
901 if (lines <= 0) /* Yow, header didn't even fit!!! */
903 while (lines-- > 0) {
910 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
911 sv_chop(formtarget, s);
912 FmLINES(formtarget) -= IoLINES_LEFT(io);
915 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
916 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
917 IoLINES_LEFT(io) = IoPAGE_LEN(io);
919 formtarget = toptarget;
920 IoFLAGS(io) |= IOf_DIDTOP;
923 DIE("bad top format reference");
926 SV *tmpsv = sv_newmortal();
927 gv_efullname(tmpsv, fgv, Nullch);
928 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
930 return doform(cv,gv,op);
942 warn("Filehandle only opened for input");
944 warn("Write on closed filehandle");
949 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
951 warn("page overflow");
953 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
957 FmLINES(formtarget) = 0;
958 SvCUR_set(formtarget, 0);
959 *SvEND(formtarget) = '\0';
960 if (IoFLAGS(io) & IOf_FLUSH)
961 (void)PerlIO_flush(fp);
965 formtarget = bodytarget;
972 dSP; dMARK; dORIGMARK;
978 if (op->op_flags & OPf_STACKED)
982 if (!(io = GvIO(gv))) {
984 gv_fullname(sv, gv, Nullch);
985 warn("Filehandle %s never opened", SvPV(sv,na));
987 SETERRNO(EBADF,RMS$_IFI);
990 else if (!(fp = IoOFP(io))) {
992 gv_fullname(sv, gv, Nullch);
994 warn("Filehandle %s opened only for input", SvPV(sv,na));
996 warn("printf on closed filehandle %s", SvPV(sv,na));
998 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1002 do_sprintf(sv, SP - MARK, MARK + 1);
1003 if (!do_print(sv, fp))
1006 if (IoFLAGS(io) & IOf_FLUSH)
1007 if (PerlIO_flush(fp) == EOF)
1039 tmps = SvPV(sv, len);
1040 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1041 IoLINES(GvIOp(gv)) = 0;
1052 dSP; dMARK; dORIGMARK; dTARGET;
1066 buffer = SvPV_force(bufsv, blen);
1067 length = SvIVx(*++MARK);
1069 DIE("Negative length");
1072 offset = SvIVx(*++MARK);
1076 if (!io || !IoIFP(io))
1079 if (op->op_type == OP_RECV) {
1080 bufsize = sizeof buf;
1081 buffer = SvGROW(bufsv, length+1);
1082 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1083 (struct sockaddr *)buf, &bufsize);
1086 SvCUR_set(bufsv, length);
1087 *SvEND(bufsv) = '\0';
1088 (void)SvPOK_only(bufsv);
1091 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1093 sv_setpvn(TARG, buf, bufsize);
1098 if (op->op_type == OP_RECV)
1099 DIE(no_sock_func, "recv");
1101 bufsize = SvCUR(bufsv);
1102 buffer = SvGROW(bufsv, length+offset+1);
1103 if (offset > bufsize) { /* Zero any newly allocated space */
1104 Zero(buffer+bufsize, offset-bufsize, char);
1106 if (op->op_type == OP_SYSREAD) {
1107 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1110 #ifdef HAS_SOCKET__bad_code_maybe
1111 if (IoTYPE(io) == 's') {
1112 bufsize = sizeof buf;
1113 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1114 (struct sockaddr *)buf, &bufsize);
1118 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1121 SvCUR_set(bufsv, length+offset);
1122 *SvEND(bufsv) = '\0';
1123 (void)SvPOK_only(bufsv);
1126 sv_magic(bufsv, Nullsv, 't', Nullch, 0);
1138 return pp_send(ARGS);
1143 dSP; dMARK; dORIGMARK; dTARGET;
1156 buffer = SvPV(bufsv, blen);
1157 length = SvIVx(*++MARK);
1159 DIE("Negative length");
1162 if (!io || !IoIFP(io)) {
1165 if (op->op_type == OP_SYSWRITE)
1166 warn("Syswrite on closed filehandle");
1168 warn("Send on closed socket");
1171 else if (op->op_type == OP_SYSWRITE) {
1173 offset = SvIVx(*++MARK);
1176 if (length > blen - offset)
1177 length = blen - offset;
1178 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1181 else if (SP > MARK) {
1184 sockbuf = SvPVx(*++MARK, mlen);
1185 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1186 (struct sockaddr *)sockbuf, mlen);
1189 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1192 DIE(no_sock_func, "send");
1207 return pp_sysread(ARGS);
1218 gv = last_in_gv = (GV*)POPs;
1219 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1231 gv = last_in_gv = (GV*)POPs;
1232 PUSHi( do_tell(gv) );
1243 gv = last_in_gv = (GV*)POPs;
1244 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1251 Off_t len = (Off_t)POPn;
1256 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1257 if (op->op_flags & OPf_SPECIAL) {
1258 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1260 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1262 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1264 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1270 if (SvTYPE(sv) == SVt_PVGV) {
1271 tmpgv = (GV*)sv; /* *main::FRED for example */
1274 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1275 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1279 if (truncate (SvPV (sv, na), len) < 0)
1285 if ((tmpfd = open(SvPV (sv, na), 0)) < 0)
1288 if (my_chsize(tmpfd, len) < 0)
1299 SETERRNO(EBADF,RMS$_IFI);
1302 DIE("truncate not implemented");
1308 return pp_ioctl(ARGS);
1315 unsigned int func = U_I(POPn);
1316 int optype = op->op_type;
1322 if (!io || !argsv || !IoIFP(io)) {
1323 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1327 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1329 s = SvPV_force(argsv, len);
1330 retval = IOCPARM_LEN(func);
1332 s = Sv_Grow(argsv, retval+1);
1333 SvCUR_set(argsv, retval);
1336 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1339 retval = SvIV(argsv);
1341 s = (char*)(long)retval; /* ouch */
1343 s = (char*)retval; /* ouch */
1347 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1349 if (optype == OP_IOCTL)
1351 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1353 DIE("ioctl is not implemented");
1356 #if defined(DOSISH) && !defined(OS2)
1357 DIE("fcntl is not implemented");
1360 # if defined(OS2) && defined(__EMX__)
1361 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1363 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1366 DIE("fcntl is not implemented");
1371 if (s[SvCUR(argsv)] != 17)
1372 DIE("Possible memory corruption: %s overflowed 3rd argument",
1374 s[SvCUR(argsv)] = 0; /* put our null back */
1375 SvSETMAGIC(argsv); /* Assume it has changed */
1384 PUSHp("0 but true", 10);
1397 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
1398 # define flock lockf_emulate_flock
1401 #if defined(HAS_FLOCK) || defined(flock)
1408 fp = IoIFP(GvIOp(gv));
1412 value = (I32)(flock(PerlIO_fileno(fp), argtype) >= 0);
1419 DIE(no_func, "flock()");
1431 int protocol = POPi;
1439 SETERRNO(EBADF,LIB$_INVARG);
1445 do_close(gv, FALSE);
1447 TAINT_PROPER("socket");
1448 fd = socket(domain, type, protocol);
1451 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1452 IoOFP(io) = PerlIO_fdopen(fd, "w");
1454 if (!IoIFP(io) || !IoOFP(io)) {
1455 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1456 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1457 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1463 DIE(no_sock_func, "socket");
1470 #ifdef HAS_SOCKETPAIR
1475 int protocol = POPi;
1488 do_close(gv1, FALSE);
1490 do_close(gv2, FALSE);
1492 TAINT_PROPER("socketpair");
1493 if (socketpair(domain, type, protocol, fd) < 0)
1495 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1496 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1498 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1499 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1501 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1502 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1503 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1504 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1505 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1506 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1507 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1513 DIE(no_sock_func, "socketpair");
1524 register IO *io = GvIOn(gv);
1527 if (!io || !IoIFP(io))
1530 addr = SvPV(addrsv, len);
1531 TAINT_PROPER("bind");
1532 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1539 warn("bind() on closed fd");
1540 SETERRNO(EBADF,SS$_IVCHAN);
1543 DIE(no_sock_func, "bind");
1554 register IO *io = GvIOn(gv);
1557 if (!io || !IoIFP(io))
1560 addr = SvPV(addrsv, len);
1561 TAINT_PROPER("connect");
1562 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1569 warn("connect() on closed fd");
1570 SETERRNO(EBADF,SS$_IVCHAN);
1573 DIE(no_sock_func, "connect");
1583 register IO *io = GvIOn(gv);
1585 if (!io || !IoIFP(io))
1588 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1595 warn("listen() on closed fd");
1596 SETERRNO(EBADF,SS$_IVCHAN);
1599 DIE(no_sock_func, "listen");
1611 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1612 int len = sizeof saddr;
1624 if (!gstio || !IoIFP(gstio))
1629 do_close(ngv, FALSE);
1631 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1634 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1635 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1636 IoTYPE(nstio) = 's';
1637 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1638 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1639 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1640 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1644 PUSHp((char *)&saddr, len);
1649 warn("accept() on closed fd");
1650 SETERRNO(EBADF,SS$_IVCHAN);
1656 DIE(no_sock_func, "accept");
1666 register IO *io = GvIOn(gv);
1668 if (!io || !IoIFP(io))
1671 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1676 warn("shutdown() on closed fd");
1677 SETERRNO(EBADF,SS$_IVCHAN);
1680 DIE(no_sock_func, "shutdown");
1687 return pp_ssockopt(ARGS);
1689 DIE(no_sock_func, "getsockopt");
1697 int optype = op->op_type;
1700 unsigned int optname;
1706 if (optype == OP_GSOCKOPT)
1707 sv = sv_2mortal(NEWSV(22, 257));
1710 optname = (unsigned int) POPi;
1711 lvl = (unsigned int) POPi;
1715 if (!io || !IoIFP(io))
1718 fd = PerlIO_fileno(IoIFP(io));
1722 (void)SvPOK_only(sv);
1726 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1736 buf = SvPV(sv, len);
1737 else if (SvOK(sv)) {
1738 aint = (int)SvIV(sv);
1742 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1752 warn("[gs]etsockopt() on closed fd");
1753 SETERRNO(EBADF,SS$_IVCHAN);
1758 DIE(no_sock_func, "setsockopt");
1765 return pp_getpeername(ARGS);
1767 DIE(no_sock_func, "getsockname");
1775 int optype = op->op_type;
1779 register IO *io = GvIOn(gv);
1782 if (!io || !IoIFP(io))
1785 sv = sv_2mortal(NEWSV(22, 257));
1786 (void)SvPOK_only(sv);
1790 fd = PerlIO_fileno(IoIFP(io));
1792 case OP_GETSOCKNAME:
1793 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1796 case OP_GETPEERNAME:
1797 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1808 warn("get{sock, peer}name() on closed fd");
1809 SETERRNO(EBADF,SS$_IVCHAN);
1814 DIE(no_sock_func, "getpeername");
1822 return pp_stat(ARGS);
1831 if (op->op_flags & OPf_REF) {
1832 tmpgv = cGVOP->op_gv;
1834 if (tmpgv != defgv) {
1835 laststype = OP_STAT;
1837 sv_setpv(statname, "");
1838 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1839 Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1844 else if (laststatval < 0)
1849 if (SvTYPE(sv) == SVt_PVGV) {
1853 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1854 tmpgv = (GV*)SvRV(sv);
1857 sv_setpv(statname, SvPV(sv,na));
1860 laststype = op->op_type;
1861 if (op->op_type == OP_LSTAT)
1862 laststatval = lstat(SvPV(statname, na), &statcache);
1865 laststatval = Stat(SvPV(statname, na), &statcache);
1866 if (laststatval < 0) {
1867 if (dowarn && strchr(SvPV(statname, na), '\n'))
1868 warn(warn_nl, "stat");
1874 if (GIMME != G_ARRAY) {
1881 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1882 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1883 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1884 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1885 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1886 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1887 #ifdef USE_STAT_RDEV
1888 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1890 PUSHs(sv_2mortal(newSVpv("", 0)));
1892 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1894 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1895 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1896 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1898 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1899 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1900 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1902 #ifdef USE_STAT_BLOCKS
1903 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1904 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1906 PUSHs(sv_2mortal(newSVpv("", 0)));
1907 PUSHs(sv_2mortal(newSVpv("", 0)));
1915 I32 result = my_stat(ARGS);
1919 if (cando(S_IRUSR, 0, &statcache))
1926 I32 result = my_stat(ARGS);
1930 if (cando(S_IWUSR, 0, &statcache))
1937 I32 result = my_stat(ARGS);
1941 if (cando(S_IXUSR, 0, &statcache))
1948 I32 result = my_stat(ARGS);
1952 if (cando(S_IRUSR, 1, &statcache))
1959 I32 result = my_stat(ARGS);
1963 if (cando(S_IWUSR, 1, &statcache))
1970 I32 result = my_stat(ARGS);
1974 if (cando(S_IXUSR, 1, &statcache))
1981 I32 result = my_stat(ARGS);
1990 return pp_ftrowned(ARGS);
1995 I32 result = my_stat(ARGS);
1999 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2006 I32 result = my_stat(ARGS);
2010 if (!statcache.st_size)
2017 I32 result = my_stat(ARGS);
2021 PUSHi(statcache.st_size);
2027 I32 result = my_stat(ARGS);
2031 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2037 I32 result = my_stat(ARGS);
2041 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2047 I32 result = my_stat(ARGS);
2051 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2057 I32 result = my_stat(ARGS);
2061 if (S_ISSOCK(statcache.st_mode))
2068 I32 result = my_stat(ARGS);
2072 if (S_ISCHR(statcache.st_mode))
2079 I32 result = my_stat(ARGS);
2083 if (S_ISBLK(statcache.st_mode))
2090 I32 result = my_stat(ARGS);
2094 if (S_ISREG(statcache.st_mode))
2101 I32 result = my_stat(ARGS);
2105 if (S_ISDIR(statcache.st_mode))
2112 I32 result = my_stat(ARGS);
2116 if (S_ISFIFO(statcache.st_mode))
2123 I32 result = my_lstat(ARGS);
2127 if (S_ISLNK(statcache.st_mode))
2136 I32 result = my_stat(ARGS);
2140 if (statcache.st_mode & S_ISUID)
2150 I32 result = my_stat(ARGS);
2154 if (statcache.st_mode & S_ISGID)
2164 I32 result = my_stat(ARGS);
2168 if (statcache.st_mode & S_ISVTX)
2180 if (op->op_flags & OPf_REF) {
2185 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2186 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2187 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2188 else if (isDIGIT(*tmps))
2197 #if defined(atarist) /* this will work with atariST. Configure will
2198 make guesses for other systems. */
2199 # define FILE_base(f) ((f)->_base)
2200 # define FILE_ptr(f) ((f)->_ptr)
2201 # define FILE_cnt(f) ((f)->_cnt)
2202 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2212 register STDCHAR *s;
2216 if (op->op_flags & OPf_REF) {
2218 if (cGVOP->op_gv == defgv) {
2223 goto really_filename;
2227 statgv = cGVOP->op_gv;
2228 sv_setpv(statname, "");
2231 if (io && IoIFP(io)) {
2232 if (PerlIO_has_base(IoIFP(io))) {
2233 Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2234 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2235 if (op->op_type == OP_FTTEXT)
2239 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2240 i = PerlIO_getc(IoIFP(io));
2242 (void)PerlIO_ungetc(IoIFP(io),i);
2244 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2246 len = PerlIO_get_bufsiz(IoIFP(io));
2247 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2248 /* sfio can have large buffers - limit to 512 */
2253 DIE("-T and -B not implemented on filehandles");
2258 warn("Test on unopened file <%s>",
2259 GvENAME(cGVOP->op_gv));
2260 SETERRNO(EBADF,RMS$_IFI);
2267 sv_setpv(statname, SvPV(sv, na));
2270 i = open(SvPV(sv, na), O_RDONLY, 0);
2272 i = open(SvPV(sv, na), 0);
2275 if (dowarn && strchr(SvPV(sv, na), '\n'))
2276 warn(warn_nl, "open");
2279 Fstat(i, &statcache);
2280 len = read(i, tbuf, 512);
2283 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2284 RETPUSHNO; /* special case NFS directories */
2285 RETPUSHYES; /* null file is anything */
2290 /* now scan s to look for textiness */
2291 /* XXX ASCII dependent code */
2293 for (i = 0; i < len; i++, s++) {
2294 if (!*s) { /* null never allowed in text */
2301 *s != '\n' && *s != '\r' && *s != '\b' &&
2302 *s != '\t' && *s != '\f' && *s != 27)
2306 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2314 return pp_fttext(ARGS);
2329 if (!tmps || !*tmps) {
2330 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2332 tmps = SvPV(*svp, na);
2334 if (!tmps || !*tmps) {
2335 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2337 tmps = SvPV(*svp, na);
2339 TAINT_PROPER("chdir");
2340 PUSHi( chdir(tmps) >= 0 );
2342 /* Clear the DEFAULT element of ENV so we'll get the new value
2344 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2351 dSP; dMARK; dTARGET;
2354 value = (I32)apply(op->op_type, MARK, SP);
2359 DIE(no_func, "Unsupported function chown");
2369 TAINT_PROPER("chroot");
2370 PUSHi( chroot(tmps) >= 0 );
2373 DIE(no_func, "chroot");
2379 dSP; dMARK; dTARGET;
2381 value = (I32)apply(op->op_type, MARK, SP);
2389 dSP; dMARK; dTARGET;
2391 value = (I32)apply(op->op_type, MARK, SP);
2399 dSP; dMARK; dTARGET;
2401 value = (I32)apply(op->op_type, MARK, SP);
2413 char *tmps = SvPV(TOPs, na);
2414 TAINT_PROPER("rename");
2416 anum = rename(tmps, tmps2);
2418 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2421 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2422 (void)UNLINK(tmps2);
2423 if (!(anum = link(tmps, tmps2)))
2424 anum = UNLINK(tmps);
2436 char *tmps = SvPV(TOPs, na);
2437 TAINT_PROPER("link");
2438 SETi( link(tmps, tmps2) >= 0 );
2440 DIE(no_func, "Unsupported function link");
2450 char *tmps = SvPV(TOPs, na);
2451 TAINT_PROPER("symlink");
2452 SETi( symlink(tmps, tmps2) >= 0 );
2455 DIE(no_func, "symlink");
2466 len = readlink(tmps, buf, sizeof buf);
2474 RETSETUNDEF; /* just pretend it's a normal file */
2478 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2480 dooneliner(cmd, filename)
2486 *save_filename = filename;
2492 for (s = mybuf+strlen(mybuf); *filename; ) {
2497 myfp = my_popen(mybuf, "r");
2500 /* Need to save/restore 'rs' ?? */
2501 s = sv_gets(tmpsv, myfp, 0);
2502 (void)my_pclose(myfp);
2504 for (errno = 1; errno < sys_nerr; errno++) {
2505 #ifdef HAS_SYS_ERRLIST
2506 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2509 char *errmsg; /* especially if it isn't there */
2512 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2518 #define EACCES EPERM
2520 if (instr(mybuf, "cannot make"))
2521 SETERRNO(EEXIST,RMS$_FEX);
2522 else if (instr(mybuf, "existing file"))
2523 SETERRNO(EEXIST,RMS$_FEX);
2524 else if (instr(mybuf, "ile exists"))
2525 SETERRNO(EEXIST,RMS$_FEX);
2526 else if (instr(mybuf, "non-exist"))
2527 SETERRNO(ENOENT,RMS$_FNF);
2528 else if (instr(mybuf, "does not exist"))
2529 SETERRNO(ENOENT,RMS$_FNF);
2530 else if (instr(mybuf, "not empty"))
2531 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2532 else if (instr(mybuf, "cannot access"))
2533 SETERRNO(EACCES,RMS$_PRV);
2535 SETERRNO(EPERM,RMS$_PRV);
2538 else { /* some mkdirs return no failure indication */
2539 anum = (Stat(save_filename, &statbuf) >= 0);
2540 if (op->op_type == OP_RMDIR)
2545 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2561 char *tmps = SvPV(TOPs, na);
2563 TAINT_PROPER("mkdir");
2565 SETi( mkdir(tmps, mode) >= 0 );
2567 SETi( dooneliner("mkdir", tmps) );
2568 oldumask = umask(0);
2570 chmod(tmps, (mode & ~oldumask) & 0777);
2581 TAINT_PROPER("rmdir");
2583 XPUSHi( rmdir(tmps) >= 0 );
2585 XPUSHi( dooneliner("rmdir", tmps) );
2590 /* Directory calls. */
2595 #if defined(Direntry_t) && defined(HAS_READDIR)
2596 char *dirname = POPp;
2598 register IO *io = GvIOn(gv);
2604 closedir(IoDIRP(io));
2605 if (!(IoDIRP(io) = opendir(dirname)))
2611 SETERRNO(EBADF,RMS$_DIR);
2614 DIE(no_dir_func, "opendir");
2621 #if defined(Direntry_t) && defined(HAS_READDIR)
2623 Direntry_t *readdir _((DIR *));
2625 register Direntry_t *dp;
2627 register IO *io = GvIOn(gv);
2629 if (!io || !IoDIRP(io))
2632 if (GIMME == G_ARRAY) {
2634 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2636 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2638 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2643 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2646 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2648 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2655 SETERRNO(EBADF,RMS$_ISI);
2656 if (GIMME == G_ARRAY)
2661 DIE(no_dir_func, "readdir");
2668 #if defined(HAS_TELLDIR) || defined(telldir)
2669 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2670 long telldir _((DIR *));
2673 register IO *io = GvIOn(gv);
2675 if (!io || !IoDIRP(io))
2678 PUSHi( telldir(IoDIRP(io)) );
2682 SETERRNO(EBADF,RMS$_ISI);
2685 DIE(no_dir_func, "telldir");
2692 #if defined(HAS_SEEKDIR) || defined(seekdir)
2695 register IO *io = GvIOn(gv);
2697 if (!io || !IoDIRP(io))
2700 (void)seekdir(IoDIRP(io), along);
2705 SETERRNO(EBADF,RMS$_ISI);
2708 DIE(no_dir_func, "seekdir");
2715 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2717 register IO *io = GvIOn(gv);
2719 if (!io || !IoDIRP(io))
2722 (void)rewinddir(IoDIRP(io));
2726 SETERRNO(EBADF,RMS$_ISI);
2729 DIE(no_dir_func, "rewinddir");
2736 #if defined(Direntry_t) && defined(HAS_READDIR)
2738 register IO *io = GvIOn(gv);
2740 if (!io || !IoDIRP(io))
2743 #ifdef VOID_CLOSEDIR
2744 closedir(IoDIRP(io));
2746 if (closedir(IoDIRP(io)) < 0) {
2747 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2756 SETERRNO(EBADF,RMS$_IFI);
2759 DIE(no_dir_func, "closedir");
2763 /* Process control. */
2778 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2779 sv_setiv(GvSV(tmpgv), (I32)getpid());
2780 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2785 DIE(no_func, "Unsupported function fork");
2798 childpid = wait(&argflags);
2800 pidgone(childpid, argflags);
2801 value = (I32)childpid;
2802 statusvalue = FIXSTATUS(argflags);
2806 DIE(no_func, "Unsupported function wait");
2821 childpid = wait4pid(childpid, &argflags, optype);
2822 value = (I32)childpid;
2823 statusvalue = FIXSTATUS(argflags);
2827 DIE(no_func, "Unsupported function wait");
2833 dSP; dMARK; dORIGMARK; dTARGET;
2838 Signal_t (*ihand)(); /* place to save signal during system() */
2839 Signal_t (*qhand)(); /* place to save signal during system() */
2841 #if defined(HAS_FORK) && !defined(VMS) && !defined(OS2)
2842 if (SP - MARK == 1) {
2844 char *junk = SvPV(TOPs, na);
2846 TAINT_PROPER("system");
2849 while ((childpid = vfork()) == -1) {
2850 if (errno != EAGAIN) {
2859 ihand = signal(SIGINT, SIG_IGN);
2860 qhand = signal(SIGQUIT, SIG_IGN);
2862 result = wait4pid(childpid, &status, 0);
2863 } while (result == -1 && errno == EINTR);
2864 (void)signal(SIGINT, ihand);
2865 (void)signal(SIGQUIT, qhand);
2866 statusvalue = FIXSTATUS(status);
2870 value = (I32)((unsigned int)status & 0xffff);
2872 do_execfree(); /* free any memory child malloced on vfork */
2877 if (op->op_flags & OPf_STACKED) {
2878 SV *really = *++MARK;
2879 value = (I32)do_aexec(really, MARK, SP);
2881 else if (SP - MARK != 1)
2882 value = (I32)do_aexec(Nullsv, MARK, SP);
2884 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2887 #else /* ! FORK or VMS or OS/2 */
2888 if (op->op_flags & OPf_STACKED) {
2889 SV *really = *++MARK;
2890 value = (I32)do_aspawn(really, MARK, SP);
2892 else if (SP - MARK != 1)
2893 value = (I32)do_aspawn(Nullsv, MARK, SP);
2895 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2897 statusvalue = FIXSTATUS(value);
2901 #endif /* !FORK or VMS */
2907 dSP; dMARK; dORIGMARK; dTARGET;
2910 if (op->op_flags & OPf_STACKED) {
2911 SV *really = *++MARK;
2912 value = (I32)do_aexec(really, MARK, SP);
2914 else if (SP - MARK != 1)
2916 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2918 value = (I32)do_aexec(Nullsv, MARK, SP);
2922 char *junk = SvPV(*SP, na);
2924 TAINT_PROPER("exec");
2927 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2929 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2939 dSP; dMARK; dTARGET;
2942 value = (I32)apply(op->op_type, MARK, SP);
2947 DIE(no_func, "Unsupported function kill");
2955 XPUSHi( getppid() );
2958 DIE(no_func, "getppid");
2974 value = (I32)BSD_GETPGRP(pid);
2977 DIE("POSIX getpgrp can't take an argument");
2978 value = (I32)getpgrp();
2983 DIE(no_func, "getpgrp()");
3002 TAINT_PROPER("setpgrp");
3004 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3006 if ((pgrp != 0) || (pid != 0)) {
3007 DIE("POSIX setpgrp can't take an argument");
3009 SETi( setpgrp() >= 0 );
3010 #endif /* USE_BSDPGRP */
3013 DIE(no_func, "setpgrp()");
3022 #ifdef HAS_GETPRIORITY
3025 SETi( getpriority(which, who) );
3028 DIE(no_func, "getpriority()");
3038 #ifdef HAS_SETPRIORITY
3042 TAINT_PROPER("setpriority");
3043 SETi( setpriority(which, who, niceval) >= 0 );
3046 DIE(no_func, "setpriority()");
3056 XPUSHn( time(Null(Time_t*)) );
3058 XPUSHi( time(Null(Time_t*)) );
3063 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3064 to HZ. Probably. For now, assume that if the system
3065 defines HZ, it does so correctly. (Will this break
3067 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3068 it's supported. --AD 9/96.
3083 #if defined(MSDOS) || !defined(HAS_TIMES)
3084 DIE("times not implemented");
3089 (void)times(×buf);
3091 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3092 /* struct tms, though same data */
3096 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3097 if (GIMME == G_ARRAY) {
3098 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3099 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3100 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3108 return pp_gmtime(ARGS);
3116 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3117 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3118 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3124 when = (Time_t)SvNVx(POPs);
3126 when = (Time_t)SvIVx(POPs);
3129 if (op->op_type == OP_LOCALTIME)
3130 tmbuf = localtime(&when);
3132 tmbuf = gmtime(&when);
3135 if (GIMME != G_ARRAY) {
3140 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3141 dayname[tmbuf->tm_wday],
3142 monname[tmbuf->tm_mon],
3147 tmbuf->tm_year + 1900);
3148 PUSHp(mybuf, strlen(mybuf));
3151 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3152 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3153 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3154 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3155 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3156 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3157 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3158 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3159 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3170 anum = alarm((unsigned int)anum);
3177 DIE(no_func, "Unsupported function alarm");
3188 (void)time(&lasttime);
3193 sleep((unsigned int)duration);
3196 XPUSHi(when - lasttime);
3200 /* Shared memory. */
3204 return pp_semget(ARGS);
3209 return pp_semctl(ARGS);
3214 return pp_shmwrite(ARGS);
3219 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3220 dSP; dMARK; dTARGET;
3221 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3226 return pp_semget(ARGS);
3230 /* Message passing. */
3234 return pp_semget(ARGS);
3239 return pp_semctl(ARGS);
3244 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3245 dSP; dMARK; dTARGET;
3246 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3251 return pp_semget(ARGS);
3257 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3258 dSP; dMARK; dTARGET;
3259 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3264 return pp_semget(ARGS);
3272 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3273 dSP; dMARK; dTARGET;
3274 int anum = do_ipcget(op->op_type, MARK, SP);
3281 DIE("System V IPC is not implemented on this machine");
3287 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3288 dSP; dMARK; dTARGET;
3289 int anum = do_ipcctl(op->op_type, MARK, SP);
3297 PUSHp("0 but true",10);
3301 return pp_semget(ARGS);
3307 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3308 dSP; dMARK; dTARGET;
3309 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3314 return pp_semget(ARGS);
3318 /* Get system info. */
3323 return pp_ghostent(ARGS);
3325 DIE(no_sock_func, "gethostbyname");
3332 return pp_ghostent(ARGS);
3334 DIE(no_sock_func, "gethostbyaddr");
3342 I32 which = op->op_type;
3343 register char **elem;
3345 struct hostent *gethostbyname();
3346 struct hostent *gethostbyaddr();
3347 #ifdef HAS_GETHOSTENT
3348 struct hostent *gethostent();
3350 struct hostent *hent;
3354 if (which == OP_GHBYNAME) {
3355 hent = gethostbyname(POPp);
3357 else if (which == OP_GHBYADDR) {
3358 int addrtype = POPi;
3361 char *addr = SvPV(addrsv, addrlen);
3363 hent = gethostbyaddr(addr, addrlen, addrtype);
3366 #ifdef HAS_GETHOSTENT
3367 hent = gethostent();
3369 DIE("gethostent not implemented");
3372 #ifdef HOST_NOT_FOUND
3374 statusvalue = FIXSTATUS(h_errno);
3377 if (GIMME != G_ARRAY) {
3378 PUSHs(sv = sv_newmortal());
3380 if (which == OP_GHBYNAME) {
3382 sv_setpvn(sv, hent->h_addr, hent->h_length);
3385 sv_setpv(sv, (char*)hent->h_name);
3391 PUSHs(sv = sv_mortalcopy(&sv_no));
3392 sv_setpv(sv, (char*)hent->h_name);
3393 PUSHs(sv = sv_mortalcopy(&sv_no));
3394 for (elem = hent->h_aliases; elem && *elem; elem++) {
3395 sv_catpv(sv, *elem);
3397 sv_catpvn(sv, " ", 1);
3399 PUSHs(sv = sv_mortalcopy(&sv_no));
3400 sv_setiv(sv, (I32)hent->h_addrtype);
3401 PUSHs(sv = sv_mortalcopy(&sv_no));
3402 len = hent->h_length;
3403 sv_setiv(sv, (I32)len);
3405 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3406 XPUSHs(sv = sv_mortalcopy(&sv_no));
3407 sv_setpvn(sv, *elem, len);
3410 PUSHs(sv = sv_mortalcopy(&sv_no));
3412 sv_setpvn(sv, hent->h_addr, len);
3417 DIE(no_sock_func, "gethostent");
3424 return pp_gnetent(ARGS);
3426 DIE(no_sock_func, "getnetbyname");
3433 return pp_gnetent(ARGS);
3435 DIE(no_sock_func, "getnetbyaddr");
3443 I32 which = op->op_type;
3444 register char **elem;
3446 struct netent *getnetbyname();
3447 struct netent *getnetbyaddr();
3448 struct netent *getnetent();
3449 struct netent *nent;
3451 if (which == OP_GNBYNAME)
3452 nent = getnetbyname(POPp);
3453 else if (which == OP_GNBYADDR) {
3454 int addrtype = POPi;
3455 unsigned long addr = U_L(POPn);
3456 nent = getnetbyaddr((long)addr, addrtype);
3462 if (GIMME != G_ARRAY) {
3463 PUSHs(sv = sv_newmortal());
3465 if (which == OP_GNBYNAME)
3466 sv_setiv(sv, (I32)nent->n_net);
3468 sv_setpv(sv, nent->n_name);
3474 PUSHs(sv = sv_mortalcopy(&sv_no));
3475 sv_setpv(sv, nent->n_name);
3476 PUSHs(sv = sv_mortalcopy(&sv_no));
3477 for (elem = nent->n_aliases; *elem; elem++) {
3478 sv_catpv(sv, *elem);
3480 sv_catpvn(sv, " ", 1);
3482 PUSHs(sv = sv_mortalcopy(&sv_no));
3483 sv_setiv(sv, (I32)nent->n_addrtype);
3484 PUSHs(sv = sv_mortalcopy(&sv_no));
3485 sv_setiv(sv, (I32)nent->n_net);
3490 DIE(no_sock_func, "getnetent");
3497 return pp_gprotoent(ARGS);
3499 DIE(no_sock_func, "getprotobyname");
3506 return pp_gprotoent(ARGS);
3508 DIE(no_sock_func, "getprotobynumber");
3516 I32 which = op->op_type;
3517 register char **elem;
3519 struct protoent *getprotobyname();
3520 struct protoent *getprotobynumber();
3521 struct protoent *getprotoent();
3522 struct protoent *pent;
3524 if (which == OP_GPBYNAME)
3525 pent = getprotobyname(POPp);
3526 else if (which == OP_GPBYNUMBER)
3527 pent = getprotobynumber(POPi);
3529 pent = getprotoent();
3532 if (GIMME != G_ARRAY) {
3533 PUSHs(sv = sv_newmortal());
3535 if (which == OP_GPBYNAME)
3536 sv_setiv(sv, (I32)pent->p_proto);
3538 sv_setpv(sv, pent->p_name);
3544 PUSHs(sv = sv_mortalcopy(&sv_no));
3545 sv_setpv(sv, pent->p_name);
3546 PUSHs(sv = sv_mortalcopy(&sv_no));
3547 for (elem = pent->p_aliases; *elem; elem++) {
3548 sv_catpv(sv, *elem);
3550 sv_catpvn(sv, " ", 1);
3552 PUSHs(sv = sv_mortalcopy(&sv_no));
3553 sv_setiv(sv, (I32)pent->p_proto);
3558 DIE(no_sock_func, "getprotoent");
3565 return pp_gservent(ARGS);
3567 DIE(no_sock_func, "getservbyname");
3574 return pp_gservent(ARGS);
3576 DIE(no_sock_func, "getservbyport");
3584 I32 which = op->op_type;
3585 register char **elem;
3587 struct servent *getservbyname();
3588 struct servent *getservbynumber();
3589 struct servent *getservent();
3590 struct servent *sent;
3592 if (which == OP_GSBYNAME) {
3596 if (proto && !*proto)
3599 sent = getservbyname(name, proto);
3601 else if (which == OP_GSBYPORT) {
3605 sent = getservbyport(port, proto);
3608 sent = getservent();
3611 if (GIMME != G_ARRAY) {
3612 PUSHs(sv = sv_newmortal());
3614 if (which == OP_GSBYNAME) {
3616 sv_setiv(sv, (I32)ntohs(sent->s_port));
3618 sv_setiv(sv, (I32)(sent->s_port));
3622 sv_setpv(sv, sent->s_name);
3628 PUSHs(sv = sv_mortalcopy(&sv_no));
3629 sv_setpv(sv, sent->s_name);
3630 PUSHs(sv = sv_mortalcopy(&sv_no));
3631 for (elem = sent->s_aliases; *elem; elem++) {
3632 sv_catpv(sv, *elem);
3634 sv_catpvn(sv, " ", 1);
3636 PUSHs(sv = sv_mortalcopy(&sv_no));
3638 sv_setiv(sv, (I32)ntohs(sent->s_port));
3640 sv_setiv(sv, (I32)(sent->s_port));
3642 PUSHs(sv = sv_mortalcopy(&sv_no));
3643 sv_setpv(sv, sent->s_proto);
3648 DIE(no_sock_func, "getservent");
3659 DIE(no_sock_func, "sethostent");
3670 DIE(no_sock_func, "setnetent");
3681 DIE(no_sock_func, "setprotoent");
3692 DIE(no_sock_func, "setservent");
3704 DIE(no_sock_func, "endhostent");
3716 DIE(no_sock_func, "endnetent");
3728 DIE(no_sock_func, "endprotoent");
3740 DIE(no_sock_func, "endservent");
3747 return pp_gpwent(ARGS);
3749 DIE(no_func, "getpwnam");
3756 return pp_gpwent(ARGS);
3758 DIE(no_func, "getpwuid");
3766 I32 which = op->op_type;
3768 struct passwd *pwent;
3770 if (which == OP_GPWNAM)
3771 pwent = getpwnam(POPp);
3772 else if (which == OP_GPWUID)
3773 pwent = getpwuid(POPi);
3775 pwent = (struct passwd *)getpwent();
3778 if (GIMME != G_ARRAY) {
3779 PUSHs(sv = sv_newmortal());
3781 if (which == OP_GPWNAM)
3782 sv_setiv(sv, (I32)pwent->pw_uid);
3784 sv_setpv(sv, pwent->pw_name);
3790 PUSHs(sv = sv_mortalcopy(&sv_no));
3791 sv_setpv(sv, pwent->pw_name);
3792 PUSHs(sv = sv_mortalcopy(&sv_no));
3793 sv_setpv(sv, pwent->pw_passwd);
3794 PUSHs(sv = sv_mortalcopy(&sv_no));
3795 sv_setiv(sv, (I32)pwent->pw_uid);
3796 PUSHs(sv = sv_mortalcopy(&sv_no));
3797 sv_setiv(sv, (I32)pwent->pw_gid);
3798 PUSHs(sv = sv_mortalcopy(&sv_no));
3800 sv_setiv(sv, (I32)pwent->pw_change);
3803 sv_setiv(sv, (I32)pwent->pw_quota);
3806 sv_setpv(sv, pwent->pw_age);
3810 PUSHs(sv = sv_mortalcopy(&sv_no));
3812 sv_setpv(sv, pwent->pw_class);
3815 sv_setpv(sv, pwent->pw_comment);
3818 PUSHs(sv = sv_mortalcopy(&sv_no));
3819 sv_setpv(sv, pwent->pw_gecos);
3820 PUSHs(sv = sv_mortalcopy(&sv_no));
3821 sv_setpv(sv, pwent->pw_dir);
3822 PUSHs(sv = sv_mortalcopy(&sv_no));
3823 sv_setpv(sv, pwent->pw_shell);
3825 PUSHs(sv = sv_mortalcopy(&sv_no));
3826 sv_setiv(sv, (I32)pwent->pw_expire);
3831 DIE(no_func, "getpwent");
3842 DIE(no_func, "setpwent");
3853 DIE(no_func, "endpwent");
3860 return pp_ggrent(ARGS);
3862 DIE(no_func, "getgrnam");
3869 return pp_ggrent(ARGS);
3871 DIE(no_func, "getgrgid");
3879 I32 which = op->op_type;
3880 register char **elem;
3882 struct group *grent;
3884 if (which == OP_GGRNAM)
3885 grent = (struct group *)getgrnam(POPp);
3886 else if (which == OP_GGRGID)
3887 grent = (struct group *)getgrgid(POPi);
3889 grent = (struct group *)getgrent();
3892 if (GIMME != G_ARRAY) {
3893 PUSHs(sv = sv_newmortal());
3895 if (which == OP_GGRNAM)
3896 sv_setiv(sv, (I32)grent->gr_gid);
3898 sv_setpv(sv, grent->gr_name);
3904 PUSHs(sv = sv_mortalcopy(&sv_no));
3905 sv_setpv(sv, grent->gr_name);
3906 PUSHs(sv = sv_mortalcopy(&sv_no));
3907 sv_setpv(sv, grent->gr_passwd);
3908 PUSHs(sv = sv_mortalcopy(&sv_no));
3909 sv_setiv(sv, (I32)grent->gr_gid);
3910 PUSHs(sv = sv_mortalcopy(&sv_no));
3911 for (elem = grent->gr_mem; *elem; elem++) {
3912 sv_catpv(sv, *elem);
3914 sv_catpvn(sv, " ", 1);
3920 DIE(no_func, "getgrent");
3931 DIE(no_func, "setgrent");
3942 DIE(no_func, "endgrent");
3952 if (!(tmps = getlogin()))
3954 PUSHp(tmps, strlen(tmps));
3957 DIE(no_func, "getlogin");
3961 /* Miscellaneous. */
3966 dSP; dMARK; dORIGMARK; dTARGET;
3967 register I32 items = SP - MARK;
3968 unsigned long a[20];
3974 while (++MARK <= SP) {
3975 if (SvGMAGICAL(*MARK) && SvSMAGICAL(*MARK) &&
3976 (mg = mg_find(*MARK, 't')) && mg->mg_len & 1)
3980 TAINT_PROPER("syscall");
3983 /* This probably won't work on machines where sizeof(long) != sizeof(int)
3984 * or where sizeof(long) != sizeof(char*). But such machines will
3985 * not likely have syscall implemented either, so who cares?
3987 while (++MARK <= SP) {
3988 if (SvNIOK(*MARK) || !i)
3989 a[i++] = SvIV(*MARK);
3990 else if (*MARK == &sv_undef)
3993 a[i++] = (unsigned long)SvPV_force(*MARK, na);
3999 DIE("Too many args to syscall");
4001 DIE("Too few args to syscall");
4003 retval = syscall(a[0]);
4006 retval = syscall(a[0],a[1]);
4009 retval = syscall(a[0],a[1],a[2]);
4012 retval = syscall(a[0],a[1],a[2],a[3]);
4015 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4018 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4021 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4024 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4028 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4031 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4034 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4038 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4042 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4046 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4047 a[10],a[11],a[12],a[13]);
4049 #endif /* atarist */
4055 DIE(no_func, "syscall");
4059 #if !defined(HAS_FLOCK) && defined(HAS_LOCKF)
4061 /* XXX Emulate flock() with lockf(). This is just to increase
4062 portability of scripts. The calls are not completely
4063 interchangeable. What's really needed is a good file
4067 /* The lockf() constants might have been defined in <unistd.h>.
4068 Unfortunately, <unistd.h> causes troubles on some mixed
4069 (BSD/POSIX) systems, such as SunOS 4.1.3.
4071 Further, the lockf() constants aren't POSIX, so they might not be
4072 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4073 just stick in the SVID values and be done with it. Sigh.
4077 # define F_ULOCK 0 /* Unlock a previously locked region */
4080 # define F_LOCK 1 /* Lock a region for exclusive use */
4083 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4086 # define F_TEST 3 /* Test a region for other processes locks */
4089 /* These are the flock() constants. Since this sytems doesn't have
4090 flock(), the values of the constants are probably not available.
4106 lockf_emulate_flock (fd, operation)
4111 switch (operation) {
4113 /* LOCK_SH - get a shared lock */
4115 /* LOCK_EX - get an exclusive lock */
4117 i = lockf (fd, F_LOCK, 0);
4120 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4121 case LOCK_SH|LOCK_NB:
4122 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4123 case LOCK_EX|LOCK_NB:
4124 i = lockf (fd, F_TLOCK, 0);
4126 if ((errno == EAGAIN) || (errno == EACCES))
4127 errno = EWOULDBLOCK;
4130 /* LOCK_UN - unlock */
4132 i = lockf (fd, F_ULOCK, 0);
4135 /* Default - can't decipher operation */