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
103 #else /* no flock() */
105 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
106 # define FLOCK fcntl_emulate_flock
107 # define FCNTL_EMULATE_FLOCK
108 # else /* no flock() or fcntl(F_SETLK,...) */
110 # define FLOCK lockf_emulate_flock
111 # define LOCKF_EMULATE_FLOCK
113 # endif /* no flock() or fcntl(F_SETLK,...) */
116 static int FLOCK(int, int);
119 * These are the flock() constants. Since this sytems doesn't have
120 * flock(), the values of the constants are probably not available.
134 # endif /* emulating flock() */
136 #endif /* no flock() */
147 fp = my_popen(tmps, "r");
149 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
150 if (GIMME == G_SCALAR) {
151 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
161 if (sv_gets(sv, fp, 0) == Nullch) {
165 XPUSHs(sv_2mortal(sv));
166 if (SvLEN(sv) - SvCUR(sv) > 20) {
167 SvLEN_set(sv, SvCUR(sv)+1);
168 Renew(SvPVX(sv), SvLEN(sv), char);
172 statusvalue = FIXSTATUS(my_pclose(fp));
176 if (GIMME == G_SCALAR)
188 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
189 last_in_gv = (GV*)*stack_sp--;
191 SAVESPTR(rs); /* This is not permanent, either. */
192 rs = sv_2mortal(newSVpv("", 1));
199 result = do_readline();
206 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
207 return do_readline();
212 last_in_gv = cGVOP->op_gv;
213 return do_readline();
220 if (SP - MARK != 1) {
222 do_join(TARG, &sv_no, MARK, SP);
223 tmps = SvPV(TARG, na);
227 tmps = SvPV(TOPs, na);
229 if (!tmps || !*tmps) {
230 SV *error = GvSV(errgv);
231 (void)SvUPGRADE(error, SVt_PV);
232 if (SvPOK(error) && SvCUR(error))
233 sv_catpv(error, "\t...caught");
234 tmps = SvPV(error, na);
237 tmps = "Warning: something's wrong";
246 if (SP - MARK != 1) {
248 do_join(TARG, &sv_no, MARK, SP);
249 tmps = SvPV(TARG, na);
253 tmps = SvPV(TOPs, na);
255 if (!tmps || !*tmps) {
256 SV *error = GvSV(errgv);
257 (void)SvUPGRADE(error, SVt_PV);
258 if (SvPOK(error) && SvCUR(error))
259 sv_catpv(error, "\t...propagated");
260 tmps = SvPV(error, na);
279 else if (SvTYPE(TOPs) == SVt_PVGV)
282 DIE(no_usym, "filehandle");
284 if (IoFLAGS(GvIOn(gv)) & IOf_UNTAINT) /* This GV has UNTAINT previously set */
285 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT; /* Clear it. We don't carry that over */
286 tmps = SvPV(sv, len);
287 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp)) {
288 IoLINES(GvIOp(gv)) = 0;
289 PUSHi( (I32)forkprocess );
291 else if (forkprocess == 0) /* we are a new child */
308 PUSHs( do_close(gv, TRUE) ? &sv_yes : &sv_no );
328 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
329 DIE(no_usym, "filehandle");
334 do_close(rgv, FALSE);
336 do_close(wgv, FALSE);
341 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
342 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
343 IoIFP(wstio) = IoOFP(wstio);
347 if (!IoIFP(rstio) || !IoOFP(wstio)) {
348 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
350 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
360 DIE(no_func, "pipe");
373 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
375 PUSHi(PerlIO_fileno(fp));
391 TAINT_PROPER("umask");
394 DIE(no_func, "Unsupported function umask");
412 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
417 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
422 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
428 #if defined(USEMYBINMODE)
429 if (my_binmode(fp,IoTYPE(io)) != NULL)
448 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
449 I32 markoff = mark - stack_base - 1;
453 if (SvTYPE(varsv) == SVt_PVHV)
454 methname = "TIEHASH";
455 else if (SvTYPE(varsv) == SVt_PVAV)
456 methname = "TIEARRAY";
457 else if (SvTYPE(varsv) == SVt_PVGV)
458 methname = "TIEHANDLE";
460 methname = "TIESCALAR";
462 stash = gv_stashsv(mark[1], FALSE);
463 if (!stash || !(gv = gv_fetchmethod(stash, methname)) || !GvCV(gv))
464 DIE("Can't locate object method \"%s\" via package \"%s\"",
465 methname, SvPV(mark[1],na));
467 Zero(&myop, 1, BINOP);
468 myop.op_last = (OP *) &myop;
469 myop.op_next = Nullop;
470 myop.op_flags = OPf_KNOW|OPf_STACKED;
475 if (perldb && curstash != debstash)
476 op->op_private |= OPpENTERSUB_DB;
481 if (op = pp_entersub())
486 if (sv_isobject(sv)) {
487 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
488 sv_unmagic(varsv, 'P');
489 sv_magic(varsv, sv, 'P', Nullch, 0);
492 sv_unmagic(varsv, 'q');
493 sv_magic(varsv, sv, 'q', Nullch, 0);
497 SP = stack_base + markoff;
512 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
513 mg = mg_find(sv, 'P') ;
515 mg = mg_find(sv, 'q') ;
517 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
518 warn("untie attempted while %d inner references still exist",
519 SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
523 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
538 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
539 mg = mg_find(sv, 'P') ;
541 mg = mg_find(sv, 'q') ;
544 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
564 sv = sv_mortalcopy(&sv_no);
565 sv_setpv(sv, "AnyDBM_File");
566 stash = gv_stashsv(sv, FALSE);
567 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv)) {
569 perl_require_pv("AnyDBM_File.pm");
571 if (!(gv = gv_fetchmethod(stash, "TIEHASH")) || !GvCV(gv))
572 DIE("No dbm on this machine");
575 Zero(&myop, 1, BINOP);
576 myop.op_last = (OP *) &myop;
577 myop.op_next = Nullop;
578 myop.op_flags = OPf_KNOW|OPf_STACKED;
583 if (perldb && curstash != debstash)
584 op->op_private |= OPpENTERSUB_DB;
592 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
594 PUSHs(sv_2mortal(newSViv(O_RDWR)));
599 if (op = pp_entersub())
603 if (!sv_isobject(TOPs)) {
611 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
616 if (op = pp_entersub())
621 if (sv_isobject(TOPs))
622 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
629 return pp_untie(ARGS);
643 struct timeval timebuf;
644 struct timeval *tbuf = &timebuf;
647 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
652 # if BYTEORDER & 0xf0000
653 # define ORDERBYTE (0x88888888 - BYTEORDER)
655 # define ORDERBYTE (0x4444 - BYTEORDER)
661 for (i = 1; i <= 3; i++) {
669 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
671 growsize = sizeof(fd_set);
673 growsize = maxlen; /* little endians can use vecs directly */
682 masksize = NFDBITS / NBBY;
684 masksize = sizeof(long); /* documented int, everyone seems to use long */
686 growsize = maxlen + (masksize - (maxlen % masksize));
687 Zero(&fd_sets[0], 4, char*);
695 timebuf.tv_sec = (long)value;
696 value -= (double)timebuf.tv_sec;
697 timebuf.tv_usec = (long)(value * 1000000.0);
700 tbuf = Null(struct timeval*);
702 for (i = 1; i <= 3; i++) {
709 SvPV_force(sv,na); /* force string conversion */
712 Sv_Grow(sv, growsize);
716 while (++j <= growsize) {
720 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
722 New(403, fd_sets[i], growsize, char);
723 for (offset = 0; offset < growsize; offset += masksize) {
724 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
725 fd_sets[i][j+offset] = s[(k % masksize) + offset];
728 fd_sets[i] = SvPVX(sv);
734 (Select_fd_set_t) fd_sets[1],
735 (Select_fd_set_t) fd_sets[2],
736 (Select_fd_set_t) fd_sets[3],
738 for (i = 1; i <= 3; i++) {
741 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
743 for (offset = 0; offset < growsize; offset += masksize) {
744 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
745 s[(k % masksize) + offset] = fd_sets[i][j+offset];
747 Safefree(fd_sets[i]);
754 if (GIMME == G_ARRAY && tbuf) {
755 value = (double)(timebuf.tv_sec) +
756 (double)(timebuf.tv_usec) / 1000000.0;
757 PUSHs(sv = sv_mortalcopy(&sv_no));
762 DIE("select not implemented");
771 (void)SvREFCNT_inc(gv);
773 SvREFCNT_dec(defoutgv);
783 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
785 egv = GvEGV(defoutgv);
792 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
793 if (gvp && *gvp == egv)
794 gv_efullname3(TARG, defoutgv, Nullch);
796 sv_setsv(TARG, sv_2mortal(newRV((SV*)egv)));
801 if (!GvIO(newdefout))
803 setdefout(newdefout);
820 if (!gv || do_eof(gv)) /* make sure we have fp with something */
824 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
831 return pp_sysread(ARGS);
840 register CONTEXT *cx;
842 AV* padlist = CvPADLIST(cv);
843 SV** svp = AvARRAY(padlist);
849 PUSHBLOCK(cx, CXt_SUB, stack_sp);
852 curpad = AvARRAY((AV*)svp[1]);
854 setdefout(gv); /* locally select filehandle so $% et al work */
887 SV *tmpsv = sv_newmortal();
888 gv_efullname3(tmpsv, fgv, Nullch);
889 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
891 DIE("Not a format reference");
893 IoFLAGS(io) &= ~IOf_DIDTOP;
895 return doform(cv,gv,op->op_next);
901 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
902 register IO *io = GvIOp(gv);
903 PerlIO *ofp = IoOFP(io);
907 register CONTEXT *cx;
909 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
910 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
911 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
912 formtarget != toptarget)
920 if (!IoTOP_NAME(io)) {
922 IoFMT_NAME(io) = savepv(GvNAME(gv));
923 sprintf(tmpbuf, "%s_TOP", IoFMT_NAME(io));
924 topgv = gv_fetchpv(tmpbuf,FALSE, SVt_PVFM);
925 if ((topgv && GvFORM(topgv)) ||
926 !gv_fetchpv("top",FALSE,SVt_PVFM))
927 IoTOP_NAME(io) = savepv(tmpbuf);
929 IoTOP_NAME(io) = savepv("top");
931 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
932 if (!topgv || !GvFORM(topgv)) {
933 IoLINES_LEFT(io) = 100000000;
936 IoTOP_GV(io) = topgv;
938 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
939 I32 lines = IoLINES_LEFT(io);
940 char *s = SvPVX(formtarget);
941 if (lines <= 0) /* Yow, header didn't even fit!!! */
943 while (lines-- > 0) {
950 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
951 sv_chop(formtarget, s);
952 FmLINES(formtarget) -= IoLINES_LEFT(io);
955 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
956 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
957 IoLINES_LEFT(io) = IoPAGE_LEN(io);
959 formtarget = toptarget;
960 IoFLAGS(io) |= IOf_DIDTOP;
963 DIE("bad top format reference");
966 SV *tmpsv = sv_newmortal();
967 gv_efullname3(tmpsv, fgv, Nullch);
968 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
970 return doform(cv,gv,op);
982 warn("Filehandle only opened for input");
984 warn("Write on closed filehandle");
989 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
991 warn("page overflow");
993 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
997 FmLINES(formtarget) = 0;
998 SvCUR_set(formtarget, 0);
999 *SvEND(formtarget) = '\0';
1000 if (IoFLAGS(io) & IOf_FLUSH)
1001 (void)PerlIO_flush(fp);
1005 formtarget = bodytarget;
1007 return pop_return();
1012 dSP; dMARK; dORIGMARK;
1016 SV *sv = NEWSV(0,0);
1018 if (op->op_flags & OPf_STACKED)
1022 if (!(io = GvIO(gv))) {
1024 gv_fullname3(sv, gv, Nullch);
1025 warn("Filehandle %s never opened", SvPV(sv,na));
1027 SETERRNO(EBADF,RMS$_IFI);
1030 else if (!(fp = IoOFP(io))) {
1032 gv_fullname3(sv, gv, Nullch);
1034 warn("Filehandle %s opened only for input", SvPV(sv,na));
1036 warn("printf on closed filehandle %s", SvPV(sv,na));
1038 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1043 if (op->op_private & OPpLOCALE)
1047 #endif /* LC_NUMERIC */
1048 do_sprintf(sv, SP - MARK, MARK + 1);
1049 if (!do_print(sv, fp))
1052 if (IoFLAGS(io) & IOf_FLUSH)
1053 if (PerlIO_flush(fp) == EOF)
1085 tmps = SvPV(sv, len);
1086 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1087 IoLINES(GvIOp(gv)) = 0;
1098 dSP; dMARK; dORIGMARK; dTARGET;
1113 sv_setpvn(bufsv, "", 0);
1114 buffer = SvPV_force(bufsv, blen);
1115 length = SvIVx(*++MARK);
1117 DIE("Negative length");
1120 offset = SvIVx(*++MARK);
1124 if (!io || !IoIFP(io))
1127 if (op->op_type == OP_RECV) {
1128 bufsize = sizeof buf;
1129 buffer = SvGROW(bufsv, length+1);
1130 /* 'offset' means 'flags' here */
1131 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1132 (struct sockaddr *)buf, &bufsize);
1135 SvCUR_set(bufsv, length);
1136 *SvEND(bufsv) = '\0';
1137 (void)SvPOK_only(bufsv);
1139 /* This should not be marked tainted if the fp is marked clean */
1140 if (!(IoFLAGS(io) & IOf_UNTAINT))
1141 SvTAINTED_on(bufsv);
1143 sv_setpvn(TARG, buf, bufsize);
1148 if (op->op_type == OP_RECV)
1149 DIE(no_sock_func, "recv");
1153 DIE("Offset outside string");
1156 bufsize = SvCUR(bufsv);
1157 buffer = SvGROW(bufsv, length+offset+1);
1158 if (offset > bufsize) { /* Zero any newly allocated space */
1159 Zero(buffer+bufsize, offset-bufsize, char);
1161 if (op->op_type == OP_SYSREAD) {
1162 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1165 #ifdef HAS_SOCKET__bad_code_maybe
1166 if (IoTYPE(io) == 's') {
1167 bufsize = sizeof buf;
1168 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1169 (struct sockaddr *)buf, &bufsize);
1173 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1176 SvCUR_set(bufsv, length+offset);
1177 *SvEND(bufsv) = '\0';
1178 (void)SvPOK_only(bufsv);
1180 /* This should not be marked tainted if the fp is marked clean */
1181 if (!(IoFLAGS(io) & IOf_UNTAINT))
1182 SvTAINTED_on(bufsv);
1194 return pp_send(ARGS);
1199 dSP; dMARK; dORIGMARK; dTARGET;
1212 buffer = SvPV(bufsv, blen);
1213 length = SvIVx(*++MARK);
1215 DIE("Negative length");
1218 if (!io || !IoIFP(io)) {
1221 if (op->op_type == OP_SYSWRITE)
1222 warn("Syswrite on closed filehandle");
1224 warn("Send on closed socket");
1227 else if (op->op_type == OP_SYSWRITE) {
1229 offset = SvIVx(*++MARK);
1232 DIE("Offset outside string");
1234 } else if (offset >= blen)
1235 DIE("Offset outside string");
1238 if (length > blen - offset)
1239 length = blen - offset;
1240 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1243 else if (SP > MARK) {
1246 sockbuf = SvPVx(*++MARK, mlen);
1247 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1248 (struct sockaddr *)sockbuf, mlen);
1251 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1254 DIE(no_sock_func, "send");
1269 return pp_sysread(ARGS);
1280 gv = last_in_gv = (GV*)POPs;
1281 PUSHs(!gv || do_eof(gv) ? &sv_yes : &sv_no);
1293 gv = last_in_gv = (GV*)POPs;
1294 PUSHi( do_tell(gv) );
1305 gv = last_in_gv = (GV*)POPs;
1306 PUSHs( do_seek(gv, offset, whence) ? &sv_yes : &sv_no );
1313 Off_t len = (Off_t)POPn;
1318 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1319 if (op->op_flags & OPf_SPECIAL) {
1320 tmpgv = gv_fetchpv(POPp,FALSE, SVt_PVIO);
1322 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1324 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1326 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1332 if (SvTYPE(sv) == SVt_PVGV) {
1333 tmpgv = (GV*)sv; /* *main::FRED for example */
1336 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1337 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1341 if (truncate (SvPV (sv, na), len) < 0)
1347 if ((tmpfd = open(SvPV (sv, na), O_RDWR)) < 0)
1350 if (my_chsize(tmpfd, len) < 0)
1361 SETERRNO(EBADF,RMS$_IFI);
1364 DIE("truncate not implemented");
1370 return pp_ioctl(ARGS);
1377 unsigned int func = U_I(POPn);
1378 int optype = op->op_type;
1384 if (!io || !argsv || !IoIFP(io)) {
1385 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1389 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1391 s = SvPV_force(argsv, len);
1392 retval = IOCPARM_LEN(func);
1394 s = Sv_Grow(argsv, retval+1);
1395 SvCUR_set(argsv, retval);
1398 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1401 retval = SvIV(argsv);
1403 s = (char*)(long)retval; /* ouch */
1405 s = (char*)retval; /* ouch */
1409 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1411 if (optype == OP_IOCTL)
1413 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1415 DIE("ioctl is not implemented");
1419 #if defined(OS2) && defined(__EMX__)
1420 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1422 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1425 DIE("fcntl is not implemented");
1429 if (s[SvCUR(argsv)] != 17)
1430 DIE("Possible memory corruption: %s overflowed 3rd argument",
1432 s[SvCUR(argsv)] = 0; /* put our null back */
1433 SvSETMAGIC(argsv); /* Assume it has changed */
1442 PUSHp("0 but true", 10);
1462 fp = IoIFP(GvIOp(gv));
1466 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1473 DIE(no_func, "flock()");
1485 int protocol = POPi;
1493 SETERRNO(EBADF,LIB$_INVARG);
1499 do_close(gv, FALSE);
1501 TAINT_PROPER("socket");
1502 fd = socket(domain, type, protocol);
1505 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1506 IoOFP(io) = PerlIO_fdopen(fd, "w");
1508 if (!IoIFP(io) || !IoOFP(io)) {
1509 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1510 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1511 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1517 DIE(no_sock_func, "socket");
1524 #ifdef HAS_SOCKETPAIR
1529 int protocol = POPi;
1542 do_close(gv1, FALSE);
1544 do_close(gv2, FALSE);
1546 TAINT_PROPER("socketpair");
1547 if (socketpair(domain, type, protocol, fd) < 0)
1549 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1550 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1552 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1553 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1555 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1556 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1557 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1558 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1559 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1560 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1561 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1567 DIE(no_sock_func, "socketpair");
1578 register IO *io = GvIOn(gv);
1581 if (!io || !IoIFP(io))
1584 addr = SvPV(addrsv, len);
1585 TAINT_PROPER("bind");
1586 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1593 warn("bind() on closed fd");
1594 SETERRNO(EBADF,SS$_IVCHAN);
1597 DIE(no_sock_func, "bind");
1608 register IO *io = GvIOn(gv);
1611 if (!io || !IoIFP(io))
1614 addr = SvPV(addrsv, len);
1615 TAINT_PROPER("connect");
1616 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1623 warn("connect() on closed fd");
1624 SETERRNO(EBADF,SS$_IVCHAN);
1627 DIE(no_sock_func, "connect");
1637 register IO *io = GvIOn(gv);
1639 if (!io || !IoIFP(io))
1642 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1649 warn("listen() on closed fd");
1650 SETERRNO(EBADF,SS$_IVCHAN);
1653 DIE(no_sock_func, "listen");
1665 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1666 int len = sizeof saddr;
1678 if (!gstio || !IoIFP(gstio))
1683 do_close(ngv, FALSE);
1685 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1688 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1689 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1690 IoTYPE(nstio) = 's';
1691 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1692 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1693 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1694 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1698 PUSHp((char *)&saddr, len);
1703 warn("accept() on closed fd");
1704 SETERRNO(EBADF,SS$_IVCHAN);
1710 DIE(no_sock_func, "accept");
1720 register IO *io = GvIOn(gv);
1722 if (!io || !IoIFP(io))
1725 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1730 warn("shutdown() on closed fd");
1731 SETERRNO(EBADF,SS$_IVCHAN);
1734 DIE(no_sock_func, "shutdown");
1741 return pp_ssockopt(ARGS);
1743 DIE(no_sock_func, "getsockopt");
1751 int optype = op->op_type;
1754 unsigned int optname;
1760 if (optype == OP_GSOCKOPT)
1761 sv = sv_2mortal(NEWSV(22, 257));
1764 optname = (unsigned int) POPi;
1765 lvl = (unsigned int) POPi;
1769 if (!io || !IoIFP(io))
1772 fd = PerlIO_fileno(IoIFP(io));
1776 (void)SvPOK_only(sv);
1780 if (getsockopt(fd, lvl, optname, SvPVX(sv), &aint) < 0)
1790 buf = SvPV(sv, len);
1791 else if (SvOK(sv)) {
1792 aint = (int)SvIV(sv);
1796 if (setsockopt(fd, lvl, optname, buf, (int)len) < 0)
1806 warn("[gs]etsockopt() on closed fd");
1807 SETERRNO(EBADF,SS$_IVCHAN);
1812 DIE(no_sock_func, "setsockopt");
1819 return pp_getpeername(ARGS);
1821 DIE(no_sock_func, "getsockname");
1829 int optype = op->op_type;
1833 register IO *io = GvIOn(gv);
1836 if (!io || !IoIFP(io))
1839 sv = sv_2mortal(NEWSV(22, 257));
1840 (void)SvPOK_only(sv);
1844 fd = PerlIO_fileno(IoIFP(io));
1846 case OP_GETSOCKNAME:
1847 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1850 case OP_GETPEERNAME:
1851 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &aint) < 0)
1862 warn("get{sock, peer}name() on closed fd");
1863 SETERRNO(EBADF,SS$_IVCHAN);
1868 DIE(no_sock_func, "getpeername");
1876 return pp_stat(ARGS);
1885 if (op->op_flags & OPf_REF) {
1886 tmpgv = cGVOP->op_gv;
1888 if (tmpgv != defgv) {
1889 laststype = OP_STAT;
1891 sv_setpv(statname, "");
1892 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1893 Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) < 0) {
1898 else if (laststatval < 0)
1903 if (SvTYPE(sv) == SVt_PVGV) {
1907 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1908 tmpgv = (GV*)SvRV(sv);
1911 sv_setpv(statname, SvPV(sv,na));
1914 laststype = op->op_type;
1915 if (op->op_type == OP_LSTAT)
1916 laststatval = lstat(SvPV(statname, na), &statcache);
1919 laststatval = Stat(SvPV(statname, na), &statcache);
1920 if (laststatval < 0) {
1921 if (dowarn && strchr(SvPV(statname, na), '\n'))
1922 warn(warn_nl, "stat");
1929 if (GIMME != G_ARRAY) {
1936 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
1937 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
1938 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
1939 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
1940 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
1941 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
1942 #ifdef USE_STAT_RDEV
1943 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
1945 PUSHs(sv_2mortal(newSVpv("", 0)));
1947 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
1949 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
1950 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
1951 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
1953 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
1954 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
1955 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
1957 #ifdef USE_STAT_BLOCKS
1958 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
1959 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
1961 PUSHs(sv_2mortal(newSVpv("", 0)));
1962 PUSHs(sv_2mortal(newSVpv("", 0)));
1970 I32 result = my_stat(ARGS);
1974 if (cando(S_IRUSR, 0, &statcache))
1981 I32 result = my_stat(ARGS);
1985 if (cando(S_IWUSR, 0, &statcache))
1992 I32 result = my_stat(ARGS);
1996 if (cando(S_IXUSR, 0, &statcache))
2003 I32 result = my_stat(ARGS);
2007 if (cando(S_IRUSR, 1, &statcache))
2014 I32 result = my_stat(ARGS);
2018 if (cando(S_IWUSR, 1, &statcache))
2025 I32 result = my_stat(ARGS);
2029 if (cando(S_IXUSR, 1, &statcache))
2036 I32 result = my_stat(ARGS);
2045 return pp_ftrowned(ARGS);
2050 I32 result = my_stat(ARGS);
2054 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2061 I32 result = my_stat(ARGS);
2065 if (!statcache.st_size)
2072 I32 result = my_stat(ARGS);
2076 PUSHi(statcache.st_size);
2082 I32 result = my_stat(ARGS);
2086 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2092 I32 result = my_stat(ARGS);
2096 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2102 I32 result = my_stat(ARGS);
2106 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2112 I32 result = my_stat(ARGS);
2116 if (S_ISSOCK(statcache.st_mode))
2123 I32 result = my_stat(ARGS);
2127 if (S_ISCHR(statcache.st_mode))
2134 I32 result = my_stat(ARGS);
2138 if (S_ISBLK(statcache.st_mode))
2145 I32 result = my_stat(ARGS);
2149 if (S_ISREG(statcache.st_mode))
2156 I32 result = my_stat(ARGS);
2160 if (S_ISDIR(statcache.st_mode))
2167 I32 result = my_stat(ARGS);
2171 if (S_ISFIFO(statcache.st_mode))
2178 I32 result = my_lstat(ARGS);
2182 if (S_ISLNK(statcache.st_mode))
2191 I32 result = my_stat(ARGS);
2195 if (statcache.st_mode & S_ISUID)
2205 I32 result = my_stat(ARGS);
2209 if (statcache.st_mode & S_ISGID)
2219 I32 result = my_stat(ARGS);
2223 if (statcache.st_mode & S_ISVTX)
2235 if (op->op_flags & OPf_REF) {
2240 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2241 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2242 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2243 else if (isDIGIT(*tmps))
2252 #if defined(atarist) /* this will work with atariST. Configure will
2253 make guesses for other systems. */
2254 # define FILE_base(f) ((f)->_base)
2255 # define FILE_ptr(f) ((f)->_ptr)
2256 # define FILE_cnt(f) ((f)->_cnt)
2257 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2267 register STDCHAR *s;
2271 if (op->op_flags & OPf_REF) {
2273 if (cGVOP->op_gv == defgv) {
2278 goto really_filename;
2282 statgv = cGVOP->op_gv;
2283 sv_setpv(statname, "");
2286 if (io && IoIFP(io)) {
2287 if (PerlIO_has_base(IoIFP(io))) {
2288 Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2289 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2290 if (op->op_type == OP_FTTEXT)
2294 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2295 i = PerlIO_getc(IoIFP(io));
2297 (void)PerlIO_ungetc(IoIFP(io),i);
2299 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2301 len = PerlIO_get_bufsiz(IoIFP(io));
2302 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2303 /* sfio can have large buffers - limit to 512 */
2308 DIE("-T and -B not implemented on filehandles");
2313 warn("Test on unopened file <%s>",
2314 GvENAME(cGVOP->op_gv));
2315 SETERRNO(EBADF,RMS$_IFI);
2322 sv_setpv(statname, SvPV(sv, na));
2325 i = open(SvPV(sv, na), O_RDONLY, 0);
2327 i = open(SvPV(sv, na), 0);
2330 if (dowarn && strchr(SvPV(sv, na), '\n'))
2331 warn(warn_nl, "open");
2334 Fstat(i, &statcache);
2335 len = read(i, tbuf, 512);
2338 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2339 RETPUSHNO; /* special case NFS directories */
2340 RETPUSHYES; /* null file is anything */
2345 /* now scan s to look for textiness */
2346 /* XXX ASCII dependent code */
2348 for (i = 0; i < len; i++, s++) {
2349 if (!*s) { /* null never allowed in text */
2356 *s != '\n' && *s != '\r' && *s != '\b' &&
2357 *s != '\t' && *s != '\f' && *s != 27)
2361 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2369 return pp_fttext(ARGS);
2384 if (!tmps || !*tmps) {
2385 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2387 tmps = SvPV(*svp, na);
2389 if (!tmps || !*tmps) {
2390 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2392 tmps = SvPV(*svp, na);
2394 TAINT_PROPER("chdir");
2395 PUSHi( chdir(tmps) >= 0 );
2397 /* Clear the DEFAULT element of ENV so we'll get the new value
2399 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2406 dSP; dMARK; dTARGET;
2409 value = (I32)apply(op->op_type, MARK, SP);
2414 DIE(no_func, "Unsupported function chown");
2424 TAINT_PROPER("chroot");
2425 PUSHi( chroot(tmps) >= 0 );
2428 DIE(no_func, "chroot");
2434 dSP; dMARK; dTARGET;
2436 value = (I32)apply(op->op_type, MARK, SP);
2444 dSP; dMARK; dTARGET;
2446 value = (I32)apply(op->op_type, MARK, SP);
2454 dSP; dMARK; dTARGET;
2456 value = (I32)apply(op->op_type, MARK, SP);
2468 char *tmps = SvPV(TOPs, na);
2469 TAINT_PROPER("rename");
2471 anum = rename(tmps, tmps2);
2473 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2476 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2477 (void)UNLINK(tmps2);
2478 if (!(anum = link(tmps, tmps2)))
2479 anum = UNLINK(tmps);
2491 char *tmps = SvPV(TOPs, na);
2492 TAINT_PROPER("link");
2493 SETi( link(tmps, tmps2) >= 0 );
2495 DIE(no_func, "Unsupported function link");
2505 char *tmps = SvPV(TOPs, na);
2506 TAINT_PROPER("symlink");
2507 SETi( symlink(tmps, tmps2) >= 0 );
2510 DIE(no_func, "symlink");
2521 len = readlink(tmps, buf, sizeof buf);
2529 RETSETUNDEF; /* just pretend it's a normal file */
2533 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2535 dooneliner(cmd, filename)
2541 *save_filename = filename;
2547 for (s = mybuf+strlen(mybuf); *filename; ) {
2552 myfp = my_popen(mybuf, "r");
2555 /* Need to save/restore 'rs' ?? */
2556 s = sv_gets(tmpsv, myfp, 0);
2557 (void)my_pclose(myfp);
2559 for (errno = 1; errno < sys_nerr; errno++) {
2560 #ifdef HAS_SYS_ERRLIST
2561 if (instr(mybuf, sys_errlist[errno])) /* you don't see this */
2564 char *errmsg; /* especially if it isn't there */
2567 (errmsg = strerror(errno)) ? errmsg : "NoErRoR"))
2573 #define EACCES EPERM
2575 if (instr(mybuf, "cannot make"))
2576 SETERRNO(EEXIST,RMS$_FEX);
2577 else if (instr(mybuf, "existing file"))
2578 SETERRNO(EEXIST,RMS$_FEX);
2579 else if (instr(mybuf, "ile exists"))
2580 SETERRNO(EEXIST,RMS$_FEX);
2581 else if (instr(mybuf, "non-exist"))
2582 SETERRNO(ENOENT,RMS$_FNF);
2583 else if (instr(mybuf, "does not exist"))
2584 SETERRNO(ENOENT,RMS$_FNF);
2585 else if (instr(mybuf, "not empty"))
2586 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2587 else if (instr(mybuf, "cannot access"))
2588 SETERRNO(EACCES,RMS$_PRV);
2590 SETERRNO(EPERM,RMS$_PRV);
2593 else { /* some mkdirs return no failure indication */
2594 anum = (Stat(save_filename, &statbuf) >= 0);
2595 if (op->op_type == OP_RMDIR)
2600 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2616 char *tmps = SvPV(TOPs, na);
2618 TAINT_PROPER("mkdir");
2620 SETi( mkdir(tmps, mode) >= 0 );
2622 SETi( dooneliner("mkdir", tmps) );
2623 oldumask = umask(0);
2625 chmod(tmps, (mode & ~oldumask) & 0777);
2636 TAINT_PROPER("rmdir");
2638 XPUSHi( rmdir(tmps) >= 0 );
2640 XPUSHi( dooneliner("rmdir", tmps) );
2645 /* Directory calls. */
2650 #if defined(Direntry_t) && defined(HAS_READDIR)
2651 char *dirname = POPp;
2653 register IO *io = GvIOn(gv);
2659 closedir(IoDIRP(io));
2660 if (!(IoDIRP(io) = opendir(dirname)))
2666 SETERRNO(EBADF,RMS$_DIR);
2669 DIE(no_dir_func, "opendir");
2676 #if defined(Direntry_t) && defined(HAS_READDIR)
2678 Direntry_t *readdir _((DIR *));
2680 register Direntry_t *dp;
2682 register IO *io = GvIOn(gv);
2684 if (!io || !IoDIRP(io))
2687 if (GIMME == G_ARRAY) {
2689 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2691 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2693 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2698 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2701 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2703 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2710 SETERRNO(EBADF,RMS$_ISI);
2711 if (GIMME == G_ARRAY)
2716 DIE(no_dir_func, "readdir");
2723 #if defined(HAS_TELLDIR) || defined(telldir)
2724 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2725 long telldir _((DIR *));
2728 register IO *io = GvIOn(gv);
2730 if (!io || !IoDIRP(io))
2733 PUSHi( telldir(IoDIRP(io)) );
2737 SETERRNO(EBADF,RMS$_ISI);
2740 DIE(no_dir_func, "telldir");
2747 #if defined(HAS_SEEKDIR) || defined(seekdir)
2750 register IO *io = GvIOn(gv);
2752 if (!io || !IoDIRP(io))
2755 (void)seekdir(IoDIRP(io), along);
2760 SETERRNO(EBADF,RMS$_ISI);
2763 DIE(no_dir_func, "seekdir");
2770 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2772 register IO *io = GvIOn(gv);
2774 if (!io || !IoDIRP(io))
2777 (void)rewinddir(IoDIRP(io));
2781 SETERRNO(EBADF,RMS$_ISI);
2784 DIE(no_dir_func, "rewinddir");
2791 #if defined(Direntry_t) && defined(HAS_READDIR)
2793 register IO *io = GvIOn(gv);
2795 if (!io || !IoDIRP(io))
2798 #ifdef VOID_CLOSEDIR
2799 closedir(IoDIRP(io));
2801 if (closedir(IoDIRP(io)) < 0) {
2802 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2811 SETERRNO(EBADF,RMS$_IFI);
2814 DIE(no_dir_func, "closedir");
2818 /* Process control. */
2833 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2834 sv_setiv(GvSV(tmpgv), (I32)getpid());
2835 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2840 DIE(no_func, "Unsupported function fork");
2853 childpid = wait(&argflags);
2855 pidgone(childpid, argflags);
2856 value = (I32)childpid;
2857 statusvalue = FIXSTATUS(argflags);
2861 DIE(no_func, "Unsupported function wait");
2876 childpid = wait4pid(childpid, &argflags, optype);
2877 value = (I32)childpid;
2878 statusvalue = FIXSTATUS(argflags);
2882 DIE(no_func, "Unsupported function wait");
2888 dSP; dMARK; dORIGMARK; dTARGET;
2893 Sigsave_t ihand,qhand; /* place to save signals during system() */
2895 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
2896 if (SP - MARK == 1) {
2898 char *junk = SvPV(TOPs, na);
2900 TAINT_PROPER("system");
2903 while ((childpid = vfork()) == -1) {
2904 if (errno != EAGAIN) {
2913 rsignal_save(SIGINT, SIG_IGN, &ihand);
2914 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
2916 result = wait4pid(childpid, &status, 0);
2917 } while (result == -1 && errno == EINTR);
2918 (void)rsignal_restore(SIGINT, &ihand);
2919 (void)rsignal_restore(SIGQUIT, &qhand);
2920 statusvalue = FIXSTATUS(status);
2924 value = (I32)((unsigned int)status & 0xffff);
2926 do_execfree(); /* free any memory child malloced on vfork */
2931 if (op->op_flags & OPf_STACKED) {
2932 SV *really = *++MARK;
2933 value = (I32)do_aexec(really, MARK, SP);
2935 else if (SP - MARK != 1)
2936 value = (I32)do_aexec(Nullsv, MARK, SP);
2938 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2941 #else /* ! FORK or VMS or OS/2 */
2942 if (op->op_flags & OPf_STACKED) {
2943 SV *really = *++MARK;
2944 value = (I32)do_aspawn(really, MARK, SP);
2946 else if (SP - MARK != 1)
2947 value = (I32)do_aspawn(Nullsv, MARK, SP);
2949 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
2951 statusvalue = FIXSTATUS(value);
2955 #endif /* !FORK or VMS */
2961 dSP; dMARK; dORIGMARK; dTARGET;
2964 if (op->op_flags & OPf_STACKED) {
2965 SV *really = *++MARK;
2966 value = (I32)do_aexec(really, MARK, SP);
2968 else if (SP - MARK != 1)
2970 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
2972 value = (I32)do_aexec(Nullsv, MARK, SP);
2976 char *junk = SvPV(*SP, na);
2978 TAINT_PROPER("exec");
2981 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
2983 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
2993 dSP; dMARK; dTARGET;
2996 value = (I32)apply(op->op_type, MARK, SP);
3001 DIE(no_func, "Unsupported function kill");
3009 XPUSHi( getppid() );
3012 DIE(no_func, "getppid");
3028 value = (I32)BSD_GETPGRP(pid);
3031 DIE("POSIX getpgrp can't take an argument");
3032 value = (I32)getpgrp();
3037 DIE(no_func, "getpgrp()");
3056 TAINT_PROPER("setpgrp");
3058 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3060 if ((pgrp != 0) || (pid != 0)) {
3061 DIE("POSIX setpgrp can't take an argument");
3063 SETi( setpgrp() >= 0 );
3064 #endif /* USE_BSDPGRP */
3067 DIE(no_func, "setpgrp()");
3076 #ifdef HAS_GETPRIORITY
3079 SETi( getpriority(which, who) );
3082 DIE(no_func, "getpriority()");
3092 #ifdef HAS_SETPRIORITY
3096 TAINT_PROPER("setpriority");
3097 SETi( setpriority(which, who, niceval) >= 0 );
3100 DIE(no_func, "setpriority()");
3110 XPUSHn( time(Null(Time_t*)) );
3112 XPUSHi( time(Null(Time_t*)) );
3117 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3118 to HZ. Probably. For now, assume that if the system
3119 defines HZ, it does so correctly. (Will this break
3121 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3122 it's supported. --AD 9/96.
3138 DIE("times not implemented");
3143 (void)times(×buf);
3145 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3146 /* struct tms, though same data */
3150 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3151 if (GIMME == G_ARRAY) {
3152 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3153 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3154 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3157 #endif /* HAS_TIMES */
3162 return pp_gmtime(ARGS);
3170 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3171 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3172 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3178 when = (Time_t)SvNVx(POPs);
3180 when = (Time_t)SvIVx(POPs);
3183 if (op->op_type == OP_LOCALTIME)
3184 tmbuf = localtime(&when);
3186 tmbuf = gmtime(&when);
3190 if (GIMME != G_ARRAY) {
3195 sprintf(mybuf, "%s %s %2d %02d:%02d:%02d %d",
3196 dayname[tmbuf->tm_wday],
3197 monname[tmbuf->tm_mon],
3202 tmbuf->tm_year + 1900);
3203 PUSHp(mybuf, strlen(mybuf));
3206 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3207 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3208 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3209 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3210 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3211 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3212 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3213 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3214 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3225 anum = alarm((unsigned int)anum);
3232 DIE(no_func, "Unsupported function alarm");
3243 (void)time(&lasttime);
3248 sleep((unsigned int)duration);
3251 XPUSHi(when - lasttime);
3255 /* Shared memory. */
3259 return pp_semget(ARGS);
3264 return pp_semctl(ARGS);
3269 return pp_shmwrite(ARGS);
3274 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3275 dSP; dMARK; dTARGET;
3276 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3281 return pp_semget(ARGS);
3285 /* Message passing. */
3289 return pp_semget(ARGS);
3294 return pp_semctl(ARGS);
3299 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3300 dSP; dMARK; dTARGET;
3301 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3306 return pp_semget(ARGS);
3312 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3313 dSP; dMARK; dTARGET;
3314 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3319 return pp_semget(ARGS);
3327 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3328 dSP; dMARK; dTARGET;
3329 int anum = do_ipcget(op->op_type, MARK, SP);
3336 DIE("System V IPC is not implemented on this machine");
3342 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3343 dSP; dMARK; dTARGET;
3344 int anum = do_ipcctl(op->op_type, MARK, SP);
3352 PUSHp("0 but true",10);
3356 return pp_semget(ARGS);
3362 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3363 dSP; dMARK; dTARGET;
3364 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3369 return pp_semget(ARGS);
3373 /* Get system info. */
3378 return pp_ghostent(ARGS);
3380 DIE(no_sock_func, "gethostbyname");
3387 return pp_ghostent(ARGS);
3389 DIE(no_sock_func, "gethostbyaddr");
3397 I32 which = op->op_type;
3398 register char **elem;
3400 struct hostent *gethostbyname();
3401 struct hostent *gethostbyaddr();
3402 #ifdef HAS_GETHOSTENT
3403 struct hostent *gethostent();
3405 struct hostent *hent;
3409 if (which == OP_GHBYNAME) {
3410 hent = gethostbyname(POPp);
3412 else if (which == OP_GHBYADDR) {
3413 int addrtype = POPi;
3416 char *addr = SvPV(addrsv, addrlen);
3418 hent = gethostbyaddr(addr, addrlen, addrtype);
3421 #ifdef HAS_GETHOSTENT
3422 hent = gethostent();
3424 DIE("gethostent not implemented");
3427 #ifdef HOST_NOT_FOUND
3429 statusvalue = FIXSTATUS(h_errno);
3432 if (GIMME != G_ARRAY) {
3433 PUSHs(sv = sv_newmortal());
3435 if (which == OP_GHBYNAME) {
3437 sv_setpvn(sv, hent->h_addr, hent->h_length);
3440 sv_setpv(sv, (char*)hent->h_name);
3446 PUSHs(sv = sv_mortalcopy(&sv_no));
3447 sv_setpv(sv, (char*)hent->h_name);
3448 PUSHs(sv = sv_mortalcopy(&sv_no));
3449 for (elem = hent->h_aliases; elem && *elem; elem++) {
3450 sv_catpv(sv, *elem);
3452 sv_catpvn(sv, " ", 1);
3454 PUSHs(sv = sv_mortalcopy(&sv_no));
3455 sv_setiv(sv, (I32)hent->h_addrtype);
3456 PUSHs(sv = sv_mortalcopy(&sv_no));
3457 len = hent->h_length;
3458 sv_setiv(sv, (I32)len);
3460 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3461 XPUSHs(sv = sv_mortalcopy(&sv_no));
3462 sv_setpvn(sv, *elem, len);
3465 PUSHs(sv = sv_mortalcopy(&sv_no));
3467 sv_setpvn(sv, hent->h_addr, len);
3472 DIE(no_sock_func, "gethostent");
3479 return pp_gnetent(ARGS);
3481 DIE(no_sock_func, "getnetbyname");
3488 return pp_gnetent(ARGS);
3490 DIE(no_sock_func, "getnetbyaddr");
3498 I32 which = op->op_type;
3499 register char **elem;
3501 struct netent *getnetbyname();
3502 struct netent *getnetbyaddr();
3503 struct netent *getnetent();
3504 struct netent *nent;
3506 if (which == OP_GNBYNAME)
3507 nent = getnetbyname(POPp);
3508 else if (which == OP_GNBYADDR) {
3509 int addrtype = POPi;
3510 unsigned long addr = U_L(POPn);
3511 nent = getnetbyaddr((long)addr, addrtype);
3517 if (GIMME != G_ARRAY) {
3518 PUSHs(sv = sv_newmortal());
3520 if (which == OP_GNBYNAME)
3521 sv_setiv(sv, (I32)nent->n_net);
3523 sv_setpv(sv, nent->n_name);
3529 PUSHs(sv = sv_mortalcopy(&sv_no));
3530 sv_setpv(sv, nent->n_name);
3531 PUSHs(sv = sv_mortalcopy(&sv_no));
3532 for (elem = nent->n_aliases; *elem; elem++) {
3533 sv_catpv(sv, *elem);
3535 sv_catpvn(sv, " ", 1);
3537 PUSHs(sv = sv_mortalcopy(&sv_no));
3538 sv_setiv(sv, (I32)nent->n_addrtype);
3539 PUSHs(sv = sv_mortalcopy(&sv_no));
3540 sv_setiv(sv, (I32)nent->n_net);
3545 DIE(no_sock_func, "getnetent");
3552 return pp_gprotoent(ARGS);
3554 DIE(no_sock_func, "getprotobyname");
3561 return pp_gprotoent(ARGS);
3563 DIE(no_sock_func, "getprotobynumber");
3571 I32 which = op->op_type;
3572 register char **elem;
3574 struct protoent *getprotobyname();
3575 struct protoent *getprotobynumber();
3576 struct protoent *getprotoent();
3577 struct protoent *pent;
3579 if (which == OP_GPBYNAME)
3580 pent = getprotobyname(POPp);
3581 else if (which == OP_GPBYNUMBER)
3582 pent = getprotobynumber(POPi);
3584 pent = getprotoent();
3587 if (GIMME != G_ARRAY) {
3588 PUSHs(sv = sv_newmortal());
3590 if (which == OP_GPBYNAME)
3591 sv_setiv(sv, (I32)pent->p_proto);
3593 sv_setpv(sv, pent->p_name);
3599 PUSHs(sv = sv_mortalcopy(&sv_no));
3600 sv_setpv(sv, pent->p_name);
3601 PUSHs(sv = sv_mortalcopy(&sv_no));
3602 for (elem = pent->p_aliases; *elem; elem++) {
3603 sv_catpv(sv, *elem);
3605 sv_catpvn(sv, " ", 1);
3607 PUSHs(sv = sv_mortalcopy(&sv_no));
3608 sv_setiv(sv, (I32)pent->p_proto);
3613 DIE(no_sock_func, "getprotoent");
3620 return pp_gservent(ARGS);
3622 DIE(no_sock_func, "getservbyname");
3629 return pp_gservent(ARGS);
3631 DIE(no_sock_func, "getservbyport");
3639 I32 which = op->op_type;
3640 register char **elem;
3642 struct servent *getservbyname();
3643 struct servent *getservbynumber();
3644 struct servent *getservent();
3645 struct servent *sent;
3647 if (which == OP_GSBYNAME) {
3651 if (proto && !*proto)
3654 sent = getservbyname(name, proto);
3656 else if (which == OP_GSBYPORT) {
3660 sent = getservbyport(port, proto);
3663 sent = getservent();
3666 if (GIMME != G_ARRAY) {
3667 PUSHs(sv = sv_newmortal());
3669 if (which == OP_GSBYNAME) {
3671 sv_setiv(sv, (I32)ntohs(sent->s_port));
3673 sv_setiv(sv, (I32)(sent->s_port));
3677 sv_setpv(sv, sent->s_name);
3683 PUSHs(sv = sv_mortalcopy(&sv_no));
3684 sv_setpv(sv, sent->s_name);
3685 PUSHs(sv = sv_mortalcopy(&sv_no));
3686 for (elem = sent->s_aliases; *elem; elem++) {
3687 sv_catpv(sv, *elem);
3689 sv_catpvn(sv, " ", 1);
3691 PUSHs(sv = sv_mortalcopy(&sv_no));
3693 sv_setiv(sv, (I32)ntohs(sent->s_port));
3695 sv_setiv(sv, (I32)(sent->s_port));
3697 PUSHs(sv = sv_mortalcopy(&sv_no));
3698 sv_setpv(sv, sent->s_proto);
3703 DIE(no_sock_func, "getservent");
3714 DIE(no_sock_func, "sethostent");
3725 DIE(no_sock_func, "setnetent");
3736 DIE(no_sock_func, "setprotoent");
3747 DIE(no_sock_func, "setservent");
3759 DIE(no_sock_func, "endhostent");
3771 DIE(no_sock_func, "endnetent");
3783 DIE(no_sock_func, "endprotoent");
3795 DIE(no_sock_func, "endservent");
3802 return pp_gpwent(ARGS);
3804 DIE(no_func, "getpwnam");
3811 return pp_gpwent(ARGS);
3813 DIE(no_func, "getpwuid");
3821 I32 which = op->op_type;
3823 struct passwd *pwent;
3825 if (which == OP_GPWNAM)
3826 pwent = getpwnam(POPp);
3827 else if (which == OP_GPWUID)
3828 pwent = getpwuid(POPi);
3830 pwent = (struct passwd *)getpwent();
3833 if (GIMME != G_ARRAY) {
3834 PUSHs(sv = sv_newmortal());
3836 if (which == OP_GPWNAM)
3837 sv_setiv(sv, (I32)pwent->pw_uid);
3839 sv_setpv(sv, pwent->pw_name);
3845 PUSHs(sv = sv_mortalcopy(&sv_no));
3846 sv_setpv(sv, pwent->pw_name);
3847 PUSHs(sv = sv_mortalcopy(&sv_no));
3848 sv_setpv(sv, pwent->pw_passwd);
3849 PUSHs(sv = sv_mortalcopy(&sv_no));
3850 sv_setiv(sv, (I32)pwent->pw_uid);
3851 PUSHs(sv = sv_mortalcopy(&sv_no));
3852 sv_setiv(sv, (I32)pwent->pw_gid);
3853 PUSHs(sv = sv_mortalcopy(&sv_no));
3855 sv_setiv(sv, (I32)pwent->pw_change);
3858 sv_setiv(sv, (I32)pwent->pw_quota);
3861 sv_setpv(sv, pwent->pw_age);
3865 PUSHs(sv = sv_mortalcopy(&sv_no));
3867 sv_setpv(sv, pwent->pw_class);
3870 sv_setpv(sv, pwent->pw_comment);
3873 PUSHs(sv = sv_mortalcopy(&sv_no));
3874 sv_setpv(sv, pwent->pw_gecos);
3875 PUSHs(sv = sv_mortalcopy(&sv_no));
3876 sv_setpv(sv, pwent->pw_dir);
3877 PUSHs(sv = sv_mortalcopy(&sv_no));
3878 sv_setpv(sv, pwent->pw_shell);
3880 PUSHs(sv = sv_mortalcopy(&sv_no));
3881 sv_setiv(sv, (I32)pwent->pw_expire);
3886 DIE(no_func, "getpwent");
3897 DIE(no_func, "setpwent");
3908 DIE(no_func, "endpwent");
3915 return pp_ggrent(ARGS);
3917 DIE(no_func, "getgrnam");
3924 return pp_ggrent(ARGS);
3926 DIE(no_func, "getgrgid");
3934 I32 which = op->op_type;
3935 register char **elem;
3937 struct group *grent;
3939 if (which == OP_GGRNAM)
3940 grent = (struct group *)getgrnam(POPp);
3941 else if (which == OP_GGRGID)
3942 grent = (struct group *)getgrgid(POPi);
3944 grent = (struct group *)getgrent();
3947 if (GIMME != G_ARRAY) {
3948 PUSHs(sv = sv_newmortal());
3950 if (which == OP_GGRNAM)
3951 sv_setiv(sv, (I32)grent->gr_gid);
3953 sv_setpv(sv, grent->gr_name);
3959 PUSHs(sv = sv_mortalcopy(&sv_no));
3960 sv_setpv(sv, grent->gr_name);
3961 PUSHs(sv = sv_mortalcopy(&sv_no));
3962 sv_setpv(sv, grent->gr_passwd);
3963 PUSHs(sv = sv_mortalcopy(&sv_no));
3964 sv_setiv(sv, (I32)grent->gr_gid);
3965 PUSHs(sv = sv_mortalcopy(&sv_no));
3966 for (elem = grent->gr_mem; *elem; elem++) {
3967 sv_catpv(sv, *elem);
3969 sv_catpvn(sv, " ", 1);
3975 DIE(no_func, "getgrent");
3986 DIE(no_func, "setgrent");
3997 DIE(no_func, "endgrent");
4007 if (!(tmps = getlogin()))
4009 PUSHp(tmps, strlen(tmps));
4012 DIE(no_func, "getlogin");
4016 /* Miscellaneous. */
4021 dSP; dMARK; dORIGMARK; dTARGET;
4022 register I32 items = SP - MARK;
4023 unsigned long a[20];
4029 while (++MARK <= SP) {
4030 if (SvTAINTED(*MARK)) {
4036 TAINT_PROPER("syscall");
4039 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4040 * or where sizeof(long) != sizeof(char*). But such machines will
4041 * not likely have syscall implemented either, so who cares?
4043 while (++MARK <= SP) {
4044 if (SvNIOK(*MARK) || !i)
4045 a[i++] = SvIV(*MARK);
4046 else if (*MARK == &sv_undef)
4049 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4055 DIE("Too many args to syscall");
4057 DIE("Too few args to syscall");
4059 retval = syscall(a[0]);
4062 retval = syscall(a[0],a[1]);
4065 retval = syscall(a[0],a[1],a[2]);
4068 retval = syscall(a[0],a[1],a[2],a[3]);
4071 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4074 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4077 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4080 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4084 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4087 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4090 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4094 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4098 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4102 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4103 a[10],a[11],a[12],a[13]);
4105 #endif /* atarist */
4111 DIE(no_func, "syscall");
4115 #ifdef FCNTL_EMULATE_FLOCK
4117 /* XXX Emulate flock() with fcntl().
4118 What's really needed is a good file locking module.
4122 fcntl_emulate_flock(fd, operation)
4128 switch (operation & ~LOCK_NB) {
4130 flock.l_type = F_RDLCK;
4133 flock.l_type = F_WRLCK;
4136 flock.l_type = F_UNLCK;
4142 flock.l_whence = SEEK_SET;
4143 flock.l_start = flock.l_len = 0L;
4145 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4148 #endif /* FCNTL_EMULATE_FLOCK */
4150 #ifdef LOCKF_EMULATE_FLOCK
4152 /* XXX Emulate flock() with lockf(). This is just to increase
4153 portability of scripts. The calls are not completely
4154 interchangeable. What's really needed is a good file
4158 /* The lockf() constants might have been defined in <unistd.h>.
4159 Unfortunately, <unistd.h> causes troubles on some mixed
4160 (BSD/POSIX) systems, such as SunOS 4.1.3.
4162 Further, the lockf() constants aren't POSIX, so they might not be
4163 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4164 just stick in the SVID values and be done with it. Sigh.
4168 # define F_ULOCK 0 /* Unlock a previously locked region */
4171 # define F_LOCK 1 /* Lock a region for exclusive use */
4174 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4177 # define F_TEST 3 /* Test a region for other processes locks */
4181 lockf_emulate_flock (fd, operation)
4186 switch (operation) {
4188 /* LOCK_SH - get a shared lock */
4190 /* LOCK_EX - get an exclusive lock */
4192 i = lockf (fd, F_LOCK, 0);
4195 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4196 case LOCK_SH|LOCK_NB:
4197 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4198 case LOCK_EX|LOCK_NB:
4199 i = lockf (fd, F_TLOCK, 0);
4201 if ((errno == EAGAIN) || (errno == EACCES))
4202 errno = EWOULDBLOCK;
4205 /* LOCK_UN - unlock (non-blocking is a no-op) */
4207 case LOCK_UN|LOCK_NB:
4208 i = lockf (fd, F_ULOCK, 0);
4211 /* Default - can't decipher operation */
4220 #endif /* LOCKF_EMULATE_FLOCK */