3 * Copyright (c) 1991-1997, 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 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
34 # include <sys/socket.h>
38 # include <net/errno.h>
45 #include <sys/select.h>
57 struct passwd *getpwnam _((char *));
58 struct passwd *getpwuid _((Uid_t));
60 struct passwd *getpwent _((void));
67 struct group *getgrnam _((char *));
68 struct group *getgrgid _((Gid_t));
70 struct group *getgrent _((void));
75 # include <sys/utime.h>
87 /* Put this after #includes because fork and vfork prototypes may conflict. */
92 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
94 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
95 # define Sock_size_t Size_t
97 # define Sock_size_t int
101 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
102 static int dooneliner _((char *cmd, char *filename));
106 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
109 # define my_chsize chsize
114 #else /* no flock() */
116 /* fcntl.h might not have been included, even if it exists, because
117 the current Configure only sets I_FCNTL if it's needed to pick up
118 the *_OK constants. Make sure it has been included before testing
119 the fcntl() locking constants. */
120 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
124 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
125 # define FLOCK fcntl_emulate_flock
126 # define FCNTL_EMULATE_FLOCK
127 # else /* no flock() or fcntl(F_SETLK,...) */
129 # define FLOCK lockf_emulate_flock
130 # define LOCKF_EMULATE_FLOCK
132 # endif /* no flock() or fcntl(F_SETLK,...) */
135 static int FLOCK _((int, int));
138 * These are the flock() constants. Since this sytems doesn't have
139 * flock(), the values of the constants are probably not available.
153 # endif /* emulating flock() */
155 #endif /* no flock() */
159 # define MAXPATHLEN PATH_MAX
161 # define MAXPATHLEN 1024
166 static char zero_but_true[ZBTLEN + 1] = "0 but true";
178 fp = my_popen(tmps, "r");
180 if (gimme == G_VOID) {
181 while (PerlIO_read(fp, tokenbuf, sizeof tokenbuf) > 0)
185 else if (gimme == G_SCALAR) {
186 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
187 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
198 if (sv_gets(sv, fp, 0) == Nullch) {
202 XPUSHs(sv_2mortal(sv));
203 if (SvLEN(sv) - SvCUR(sv) > 20) {
204 SvLEN_set(sv, SvCUR(sv)+1);
205 Renew(SvPVX(sv), SvLEN(sv), char);
210 STATUS_NATIVE_SET(my_pclose(fp));
211 TAINT; /* "I believe that this is not gratuitous!" */
214 STATUS_NATIVE_SET(-1);
215 if (gimme == G_SCALAR)
230 * The external globbing program may use things we can't control,
231 * so for security reasons we must assume the worst.
234 taint_proper(no_security, "glob");
238 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
239 last_in_gv = (GV*)*stack_sp--;
241 SAVESPTR(rs); /* This is not permanent, either. */
242 rs = sv_2mortal(newSVpv("", 1));
249 result = do_readline();
256 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
257 return do_readline();
262 last_in_gv = cGVOP->op_gv;
263 return do_readline();
270 if (SP - MARK != 1) {
272 do_join(TARG, &sv_no, MARK, SP);
273 tmps = SvPV(TARG, na);
277 tmps = SvPV(TOPs, na);
279 if (!tmps || !*tmps) {
280 SV *error = GvSV(errgv);
281 (void)SvUPGRADE(error, SVt_PV);
282 if (SvPOK(error) && SvCUR(error))
283 sv_catpv(error, "\t...caught");
284 tmps = SvPV(error, na);
287 tmps = "Warning: something's wrong";
296 if (SP - MARK != 1) {
298 do_join(TARG, &sv_no, MARK, SP);
299 tmps = SvPV(TARG, na);
303 tmps = SvPV(TOPs, na);
305 if (!tmps || !*tmps) {
306 SV *error = GvSV(errgv);
307 (void)SvUPGRADE(error, SVt_PV);
308 if (SvPOK(error) && SvCUR(error))
309 sv_catpv(error, "\t...propagated");
310 tmps = SvPV(error, na);
330 DIE(no_usym, "filehandle");
335 DIE(no_usym, "filehandle");
337 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
338 tmps = SvPV(sv, len);
339 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
340 PUSHi( (I32)forkprocess );
341 else if (forkprocess == 0) /* we are a new child */
358 PUSHs(boolSV(do_close(gv, TRUE)));
378 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
379 DIE(no_usym, "filehandle");
384 do_close(rgv, FALSE);
386 do_close(wgv, FALSE);
391 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
392 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
393 IoIFP(wstio) = IoOFP(wstio);
397 if (!IoIFP(rstio) || !IoOFP(wstio)) {
398 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
400 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
410 DIE(no_func, "pipe");
423 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
425 PUSHi(PerlIO_fileno(fp));
441 TAINT_PROPER("umask");
444 DIE(no_func, "Unsupported function umask");
462 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
467 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
472 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
478 #if defined(USEMYBINMODE)
479 if (my_binmode(fp,IoTYPE(io)) != NULL)
498 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
499 I32 markoff = mark - stack_base - 1;
501 bool oldcatch = CATCH_GET;
504 if (SvTYPE(varsv) == SVt_PVHV)
505 methname = "TIEHASH";
506 else if (SvTYPE(varsv) == SVt_PVAV)
507 methname = "TIEARRAY";
508 else if (SvTYPE(varsv) == SVt_PVGV)
509 methname = "TIEHANDLE";
511 methname = "TIESCALAR";
513 stash = gv_stashsv(mark[1], FALSE);
514 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
515 DIE("Can't locate object method \"%s\" via package \"%s\"",
516 methname, SvPV(mark[1],na));
518 Zero(&myop, 1, BINOP);
519 myop.op_last = (OP *) &myop;
520 myop.op_next = Nullop;
521 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
527 if (perldb && curstash != debstash)
528 op->op_private |= OPpENTERSUB_DB;
530 XPUSHs((SV*)GvCV(gv));
533 if (op = pp_entersub(ARGS))
539 if (sv_isobject(sv)) {
540 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
541 sv_unmagic(varsv, 'P');
542 sv_magic(varsv, sv, 'P', Nullch, 0);
545 sv_unmagic(varsv, 'q');
546 sv_magic(varsv, sv, 'q', Nullch, 0);
550 SP = stack_base + markoff;
565 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
566 mg = mg_find(sv, 'P') ;
568 mg = mg_find(sv, 'q') ;
570 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
571 warn("untie attempted while %lu inner references still exist",
572 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
576 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
591 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
592 mg = mg_find(sv, 'P') ;
594 mg = mg_find(sv, 'q') ;
597 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
614 bool oldcatch = CATCH_GET;
618 sv = sv_mortalcopy(&sv_no);
619 sv_setpv(sv, "AnyDBM_File");
620 stash = gv_stashsv(sv, FALSE);
621 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
623 perl_require_pv("AnyDBM_File.pm");
625 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
626 DIE("No dbm on this machine");
629 Zero(&myop, 1, BINOP);
630 myop.op_last = (OP *) &myop;
631 myop.op_next = Nullop;
632 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
638 if (perldb && curstash != debstash)
639 op->op_private |= OPpENTERSUB_DB;
647 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
649 PUSHs(sv_2mortal(newSViv(O_RDWR)));
651 PUSHs((SV*)GvCV(gv));
654 if (op = pp_entersub(ARGS))
658 if (!sv_isobject(TOPs)) {
666 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
668 PUSHs((SV*)GvCV(gv));
671 if (op = pp_entersub(ARGS))
677 if (sv_isobject(TOPs))
678 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
685 return pp_untie(ARGS);
699 struct timeval timebuf;
700 struct timeval *tbuf = &timebuf;
703 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
708 # if BYTEORDER & 0xf0000
709 # define ORDERBYTE (0x88888888 - BYTEORDER)
711 # define ORDERBYTE (0x4444 - BYTEORDER)
717 for (i = 1; i <= 3; i++) {
725 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
726 #if defined(__linux__) || defined(OS2)
727 growsize = sizeof(fd_set);
729 growsize = maxlen; /* little endians can use vecs directly */
738 masksize = NFDBITS / NBBY;
740 masksize = sizeof(long); /* documented int, everyone seems to use long */
742 growsize = maxlen + (masksize - (maxlen % masksize));
743 Zero(&fd_sets[0], 4, char*);
751 timebuf.tv_sec = (long)value;
752 value -= (double)timebuf.tv_sec;
753 timebuf.tv_usec = (long)(value * 1000000.0);
756 tbuf = Null(struct timeval*);
758 for (i = 1; i <= 3; i++) {
765 SvPV_force(sv,na); /* force string conversion */
768 Sv_Grow(sv, growsize);
772 while (++j <= growsize) {
776 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
778 New(403, fd_sets[i], growsize, char);
779 for (offset = 0; offset < growsize; offset += masksize) {
780 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
781 fd_sets[i][j+offset] = s[(k % masksize) + offset];
784 fd_sets[i] = SvPVX(sv);
790 (Select_fd_set_t) fd_sets[1],
791 (Select_fd_set_t) fd_sets[2],
792 (Select_fd_set_t) fd_sets[3],
794 for (i = 1; i <= 3; i++) {
797 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
799 for (offset = 0; offset < growsize; offset += masksize) {
800 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
801 s[(k % masksize) + offset] = fd_sets[i][j+offset];
803 Safefree(fd_sets[i]);
810 if (GIMME == G_ARRAY && tbuf) {
811 value = (double)(timebuf.tv_sec) +
812 (double)(timebuf.tv_usec) / 1000000.0;
813 PUSHs(sv = sv_mortalcopy(&sv_no));
818 DIE("select not implemented");
828 (void)SvREFCNT_inc(gv);
830 SvREFCNT_dec(defoutgv);
840 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
842 egv = GvEGV(defoutgv);
849 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
850 if (gvp && *gvp == egv) {
851 gv_efullname3(TARG, defoutgv, Nullch);
855 XPUSHs(sv_2mortal(newRV((SV*)egv)));
860 if (!GvIO(newdefout))
862 setdefout(newdefout);
881 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
887 perl_call_method("GETC", gimme);
890 if (gimme == G_SCALAR)
891 SvSetMagicSV_nosteal(TARG, TOPs);
894 if (!gv || do_eof(gv)) /* make sure we have fp with something */
898 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
905 return pp_sysread(ARGS);
915 register CONTEXT *cx;
917 AV* padlist = CvPADLIST(cv);
918 SV** svp = AvARRAY(padlist);
924 PUSHBLOCK(cx, CXt_SUB, stack_sp);
927 curpad = AvARRAY((AV*)svp[1]);
929 setdefout(gv); /* locally select filehandle so $% et al work */
961 SV *tmpsv = sv_newmortal();
962 gv_efullname3(tmpsv, fgv, Nullch);
963 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
965 DIE("Not a format reference");
968 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
970 IoFLAGS(io) &= ~IOf_DIDTOP;
971 return doform(cv,gv,op->op_next);
977 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
978 register IO *io = GvIOp(gv);
979 PerlIO *ofp = IoOFP(io);
983 register CONTEXT *cx;
985 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
986 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
987 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
988 formtarget != toptarget)
996 if (!IoTOP_NAME(io)) {
998 IoFMT_NAME(io) = savepv(GvNAME(gv));
999 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1000 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1001 if ((topgv && GvFORM(topgv)) ||
1002 !gv_fetchpv("top",FALSE,SVt_PVFM))
1003 IoTOP_NAME(io) = savepv(SvPVX(topname));
1005 IoTOP_NAME(io) = savepv("top");
1007 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1008 if (!topgv || !GvFORM(topgv)) {
1009 IoLINES_LEFT(io) = 100000000;
1012 IoTOP_GV(io) = topgv;
1014 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1015 I32 lines = IoLINES_LEFT(io);
1016 char *s = SvPVX(formtarget);
1017 if (lines <= 0) /* Yow, header didn't even fit!!! */
1019 while (lines-- > 0) {
1020 s = strchr(s, '\n');
1026 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1027 sv_chop(formtarget, s);
1028 FmLINES(formtarget) -= IoLINES_LEFT(io);
1031 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1032 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1033 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1035 formtarget = toptarget;
1036 IoFLAGS(io) |= IOf_DIDTOP;
1039 DIE("bad top format reference");
1042 SV *tmpsv = sv_newmortal();
1043 gv_efullname3(tmpsv, fgv, Nullch);
1044 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1047 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1048 return doform(cv,gv,op);
1060 warn("Filehandle only opened for input");
1062 warn("Write on closed filehandle");
1067 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1069 warn("page overflow");
1071 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1075 FmLINES(formtarget) = 0;
1076 SvCUR_set(formtarget, 0);
1077 *SvEND(formtarget) = '\0';
1078 if (IoFLAGS(io) & IOf_FLUSH)
1079 (void)PerlIO_flush(fp);
1083 formtarget = bodytarget;
1085 return pop_return();
1090 dSP; dMARK; dORIGMARK;
1097 if (op->op_flags & OPf_STACKED)
1102 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1103 if (MARK == ORIGMARK) {
1106 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1113 perl_call_method("PRINTF", G_SCALAR);
1116 MARK = ORIGMARK + 1;
1123 if (!(io = GvIO(gv))) {
1125 gv_fullname3(sv, gv, Nullch);
1126 warn("Filehandle %s never opened", SvPV(sv,na));
1128 SETERRNO(EBADF,RMS$_IFI);
1131 else if (!(fp = IoOFP(io))) {
1133 gv_fullname3(sv, gv, Nullch);
1135 warn("Filehandle %s opened only for input", SvPV(sv,na));
1137 warn("printf on closed filehandle %s", SvPV(sv,na));
1139 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1143 #ifdef USE_LOCALE_NUMERIC
1144 if (op->op_private & OPpLOCALE)
1145 SET_NUMERIC_LOCAL();
1147 SET_NUMERIC_STANDARD();
1149 do_sprintf(sv, SP - MARK, MARK + 1);
1150 if (!do_print(sv, fp))
1153 if (IoFLAGS(io) & IOf_FLUSH)
1154 if (PerlIO_flush(fp) == EOF)
1186 tmps = SvPV(sv, len);
1187 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1188 IoLINES(GvIOp(gv)) = 0;
1199 dSP; dMARK; dORIGMARK; dTARGET;
1205 Sock_size_t bufsize;
1211 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1212 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1219 perl_call_method("READ", G_SCALAR);
1232 sv_setpvn(bufsv, "", 0);
1233 buffer = SvPV_force(bufsv, blen);
1234 length = SvIVx(*++MARK);
1236 DIE("Negative length");
1239 offset = SvIVx(*++MARK);
1243 if (!io || !IoIFP(io))
1246 if (op->op_type == OP_RECV) {
1247 char namebuf[MAXPATHLEN];
1248 bufsize = sizeof namebuf;
1249 buffer = SvGROW(bufsv, length+1);
1250 /* 'offset' means 'flags' here */
1251 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1252 (struct sockaddr *)namebuf, &bufsize);
1255 SvCUR_set(bufsv, length);
1256 *SvEND(bufsv) = '\0';
1257 (void)SvPOK_only(bufsv);
1259 /* This should not be marked tainted if the fp is marked clean */
1260 if (!(IoFLAGS(io) & IOf_UNTAINT))
1261 SvTAINTED_on(bufsv);
1263 sv_setpvn(TARG, namebuf, bufsize);
1268 if (op->op_type == OP_RECV)
1269 DIE(no_sock_func, "recv");
1273 DIE("Offset outside string");
1276 bufsize = SvCUR(bufsv);
1277 buffer = SvGROW(bufsv, length+offset+1);
1278 if (offset > bufsize) { /* Zero any newly allocated space */
1279 Zero(buffer+bufsize, offset-bufsize, char);
1281 if (op->op_type == OP_SYSREAD) {
1282 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1285 #ifdef HAS_SOCKET__bad_code_maybe
1286 if (IoTYPE(io) == 's') {
1287 char namebuf[MAXPATHLEN];
1288 bufsize = sizeof namebuf;
1289 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1290 (struct sockaddr *)namebuf, &bufsize);
1294 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1297 SvCUR_set(bufsv, length+offset);
1298 *SvEND(bufsv) = '\0';
1299 (void)SvPOK_only(bufsv);
1301 /* This should not be marked tainted if the fp is marked clean */
1302 if (!(IoFLAGS(io) & IOf_UNTAINT))
1303 SvTAINTED_on(bufsv);
1315 return pp_send(ARGS);
1320 dSP; dMARK; dORIGMARK; dTARGET;
1333 buffer = SvPV(bufsv, blen);
1334 length = SvIVx(*++MARK);
1336 DIE("Negative length");
1339 if (!io || !IoIFP(io)) {
1342 if (op->op_type == OP_SYSWRITE)
1343 warn("Syswrite on closed filehandle");
1345 warn("Send on closed socket");
1348 else if (op->op_type == OP_SYSWRITE) {
1350 offset = SvIVx(*++MARK);
1353 DIE("Offset outside string");
1355 } else if (offset >= blen)
1356 DIE("Offset outside string");
1359 if (length > blen - offset)
1360 length = blen - offset;
1361 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1364 else if (SP > MARK) {
1367 sockbuf = SvPVx(*++MARK, mlen);
1368 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1369 (struct sockaddr *)sockbuf, mlen);
1372 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1375 DIE(no_sock_func, "send");
1390 return pp_sysread(ARGS);
1401 gv = last_in_gv = (GV*)POPs;
1402 PUSHs(boolSV(!gv || do_eof(gv)));
1414 gv = last_in_gv = (GV*)POPs;
1415 PUSHi( do_tell(gv) );
1421 return pp_sysseek(ARGS);
1431 gv = last_in_gv = (GV*)POPs;
1432 if (op->op_type == OP_SEEK)
1433 PUSHs(boolSV(do_seek(gv, offset, whence)));
1435 long n = do_sysseek(gv, offset, whence);
1436 PUSHs((n < 0) ? &sv_undef
1437 : sv_2mortal(n ? newSViv((IV)n)
1438 : newSVpv(zero_but_true, ZBTLEN)));
1446 Off_t len = (Off_t)POPn;
1451 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1452 if (op->op_flags & OPf_SPECIAL) {
1453 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1455 TAINT_PROPER("truncate");
1456 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1458 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1460 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1468 if (SvTYPE(sv) == SVt_PVGV) {
1469 tmpgv = (GV*)sv; /* *main::FRED for example */
1472 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1473 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1477 name = SvPV(sv, na);
1478 TAINT_PROPER("truncate");
1480 if (truncate(name, len) < 0)
1485 if ((tmpfd = open(name, O_RDWR)) < 0)
1488 if (my_chsize(tmpfd, len) < 0)
1499 SETERRNO(EBADF,RMS$_IFI);
1502 DIE("truncate not implemented");
1508 return pp_ioctl(ARGS);
1515 unsigned int func = U_I(POPn);
1516 int optype = op->op_type;
1522 if (!io || !argsv || !IoIFP(io)) {
1523 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1527 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1530 s = SvPV_force(argsv, len);
1531 need = IOCPARM_LEN(func);
1533 s = Sv_Grow(argsv, need + 1);
1534 SvCUR_set(argsv, need);
1537 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1540 retval = SvIV(argsv);
1541 s = (char*)retval; /* ouch */
1544 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1546 if (optype == OP_IOCTL)
1548 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1550 DIE("ioctl is not implemented");
1554 #if defined(OS2) && defined(__EMX__)
1555 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1557 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1560 DIE("fcntl is not implemented");
1564 if (s[SvCUR(argsv)] != 17)
1565 DIE("Possible memory corruption: %s overflowed 3rd argument",
1567 s[SvCUR(argsv)] = 0; /* put our null back */
1568 SvSETMAGIC(argsv); /* Assume it has changed */
1577 PUSHp(zero_but_true, ZBTLEN);
1597 fp = IoIFP(GvIOp(gv));
1601 (void)PerlIO_flush(fp);
1602 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1609 DIE(no_func, "flock()");
1621 int protocol = POPi;
1629 SETERRNO(EBADF,LIB$_INVARG);
1635 do_close(gv, FALSE);
1637 TAINT_PROPER("socket");
1638 fd = socket(domain, type, protocol);
1641 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1642 IoOFP(io) = PerlIO_fdopen(fd, "w");
1644 if (!IoIFP(io) || !IoOFP(io)) {
1645 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1646 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1647 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1653 DIE(no_sock_func, "socket");
1660 #ifdef HAS_SOCKETPAIR
1665 int protocol = POPi;
1678 do_close(gv1, FALSE);
1680 do_close(gv2, FALSE);
1682 TAINT_PROPER("socketpair");
1683 if (socketpair(domain, type, protocol, fd) < 0)
1685 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1686 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1688 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1689 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1691 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1692 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1693 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1694 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1695 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1696 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1697 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1703 DIE(no_sock_func, "socketpair");
1714 register IO *io = GvIOn(gv);
1717 if (!io || !IoIFP(io))
1720 addr = SvPV(addrsv, len);
1721 TAINT_PROPER("bind");
1722 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1729 warn("bind() on closed fd");
1730 SETERRNO(EBADF,SS$_IVCHAN);
1733 DIE(no_sock_func, "bind");
1744 register IO *io = GvIOn(gv);
1747 if (!io || !IoIFP(io))
1750 addr = SvPV(addrsv, len);
1751 TAINT_PROPER("connect");
1752 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1759 warn("connect() on closed fd");
1760 SETERRNO(EBADF,SS$_IVCHAN);
1763 DIE(no_sock_func, "connect");
1773 register IO *io = GvIOn(gv);
1775 if (!io || !IoIFP(io))
1778 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1785 warn("listen() on closed fd");
1786 SETERRNO(EBADF,SS$_IVCHAN);
1789 DIE(no_sock_func, "listen");
1801 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1802 Sock_size_t len = sizeof saddr;
1814 if (!gstio || !IoIFP(gstio))
1819 do_close(ngv, FALSE);
1821 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1824 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1825 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1826 IoTYPE(nstio) = 's';
1827 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1828 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1829 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1830 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1834 PUSHp((char *)&saddr, len);
1839 warn("accept() on closed fd");
1840 SETERRNO(EBADF,SS$_IVCHAN);
1846 DIE(no_sock_func, "accept");
1856 register IO *io = GvIOn(gv);
1858 if (!io || !IoIFP(io))
1861 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1866 warn("shutdown() on closed fd");
1867 SETERRNO(EBADF,SS$_IVCHAN);
1870 DIE(no_sock_func, "shutdown");
1877 return pp_ssockopt(ARGS);
1879 DIE(no_sock_func, "getsockopt");
1887 int optype = op->op_type;
1890 unsigned int optname;
1896 if (optype == OP_GSOCKOPT)
1897 sv = sv_2mortal(NEWSV(22, 257));
1900 optname = (unsigned int) POPi;
1901 lvl = (unsigned int) POPi;
1905 if (!io || !IoIFP(io))
1908 fd = PerlIO_fileno(IoIFP(io));
1912 (void)SvPOK_only(sv);
1916 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1929 else if (SvOK(sv)) {
1930 aint = (int)SvIV(sv);
1934 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1944 warn("[gs]etsockopt() on closed fd");
1945 SETERRNO(EBADF,SS$_IVCHAN);
1950 DIE(no_sock_func, "setsockopt");
1957 return pp_getpeername(ARGS);
1959 DIE(no_sock_func, "getsockname");
1967 int optype = op->op_type;
1971 register IO *io = GvIOn(gv);
1974 if (!io || !IoIFP(io))
1977 sv = sv_2mortal(NEWSV(22, 257));
1978 (void)SvPOK_only(sv);
1982 fd = PerlIO_fileno(IoIFP(io));
1984 case OP_GETSOCKNAME:
1985 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1988 case OP_GETPEERNAME:
1989 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1993 #ifdef BOGUS_GETNAME_RETURN
1994 /* Interactive Unix, getpeername() and getsockname()
1995 does not return valid namelen */
1996 if (len == BOGUS_GETNAME_RETURN)
1997 len = sizeof(struct sockaddr);
2006 warn("get{sock, peer}name() on closed fd");
2007 SETERRNO(EBADF,SS$_IVCHAN);
2012 DIE(no_sock_func, "getpeername");
2020 return pp_stat(ARGS);
2030 if (op->op_flags & OPf_REF) {
2031 tmpgv = cGVOP->op_gv;
2033 if (tmpgv != defgv) {
2034 laststype = OP_STAT;
2036 sv_setpv(statname, "");
2037 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2038 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2040 if (laststatval < 0)
2045 if (SvTYPE(sv) == SVt_PVGV) {
2049 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2050 tmpgv = (GV*)SvRV(sv);
2053 sv_setpv(statname, SvPV(sv,na));
2056 laststype = op->op_type;
2057 if (op->op_type == OP_LSTAT)
2058 laststatval = lstat(SvPV(statname, na), &statcache);
2061 laststatval = Stat(SvPV(statname, na), &statcache);
2062 if (laststatval < 0) {
2063 if (dowarn && strchr(SvPV(statname, na), '\n'))
2064 warn(warn_nl, "stat");
2070 if (gimme != G_ARRAY) {
2071 if (gimme != G_VOID)
2072 XPUSHs(boolSV(max));
2078 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2079 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2080 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2081 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2082 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2083 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2084 #ifdef USE_STAT_RDEV
2085 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2087 PUSHs(sv_2mortal(newSVpv("", 0)));
2089 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2091 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2092 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2093 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2095 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2096 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2097 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2099 #ifdef USE_STAT_BLOCKS
2100 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2101 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2103 PUSHs(sv_2mortal(newSVpv("", 0)));
2104 PUSHs(sv_2mortal(newSVpv("", 0)));
2112 I32 result = my_stat(ARGS);
2116 if (cando(S_IRUSR, 0, &statcache))
2123 I32 result = my_stat(ARGS);
2127 if (cando(S_IWUSR, 0, &statcache))
2134 I32 result = my_stat(ARGS);
2138 if (cando(S_IXUSR, 0, &statcache))
2145 I32 result = my_stat(ARGS);
2149 if (cando(S_IRUSR, 1, &statcache))
2156 I32 result = my_stat(ARGS);
2160 if (cando(S_IWUSR, 1, &statcache))
2167 I32 result = my_stat(ARGS);
2171 if (cando(S_IXUSR, 1, &statcache))
2178 I32 result = my_stat(ARGS);
2187 return pp_ftrowned(ARGS);
2192 I32 result = my_stat(ARGS);
2196 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2203 I32 result = my_stat(ARGS);
2207 if (!statcache.st_size)
2214 I32 result = my_stat(ARGS);
2218 PUSHi(statcache.st_size);
2224 I32 result = my_stat(ARGS);
2228 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2234 I32 result = my_stat(ARGS);
2238 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2244 I32 result = my_stat(ARGS);
2248 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2254 I32 result = my_stat(ARGS);
2258 if (S_ISSOCK(statcache.st_mode))
2265 I32 result = my_stat(ARGS);
2269 if (S_ISCHR(statcache.st_mode))
2276 I32 result = my_stat(ARGS);
2280 if (S_ISBLK(statcache.st_mode))
2287 I32 result = my_stat(ARGS);
2291 if (S_ISREG(statcache.st_mode))
2298 I32 result = my_stat(ARGS);
2302 if (S_ISDIR(statcache.st_mode))
2309 I32 result = my_stat(ARGS);
2313 if (S_ISFIFO(statcache.st_mode))
2320 I32 result = my_lstat(ARGS);
2324 if (S_ISLNK(statcache.st_mode))
2333 I32 result = my_stat(ARGS);
2337 if (statcache.st_mode & S_ISUID)
2347 I32 result = my_stat(ARGS);
2351 if (statcache.st_mode & S_ISGID)
2361 I32 result = my_stat(ARGS);
2365 if (statcache.st_mode & S_ISVTX)
2377 if (op->op_flags & OPf_REF) {
2382 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2383 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2384 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2385 else if (isDIGIT(*tmps))
2394 #if defined(atarist) /* this will work with atariST. Configure will
2395 make guesses for other systems. */
2396 # define FILE_base(f) ((f)->_base)
2397 # define FILE_ptr(f) ((f)->_ptr)
2398 # define FILE_cnt(f) ((f)->_cnt)
2399 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2409 register STDCHAR *s;
2414 if (op->op_flags & OPf_REF)
2416 else if (isGV(TOPs))
2418 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2419 gv = (GV*)SvRV(POPs);
2430 goto really_filename;
2436 sv_setpv(statname, "");
2439 if (io && IoIFP(io)) {
2440 if (! PerlIO_has_base(IoIFP(io)))
2441 DIE("-T and -B not implemented on filehandles");
2442 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2443 if (laststatval < 0)
2445 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2446 if (op->op_type == OP_FTTEXT)
2450 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2451 i = PerlIO_getc(IoIFP(io));
2453 (void)PerlIO_ungetc(IoIFP(io),i);
2455 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2457 len = PerlIO_get_bufsiz(IoIFP(io));
2458 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2459 /* sfio can have large buffers - limit to 512 */
2465 warn("Test on unopened file <%s>",
2466 GvENAME(cGVOP->op_gv));
2467 SETERRNO(EBADF,RMS$_IFI);
2476 sv_setpv(statname, SvPV(sv, na));
2478 i = open(SvPV(sv, na), O_RDONLY, 0);
2480 i = open(SvPV(sv, na), 0);
2483 if (dowarn && strchr(SvPV(sv, na), '\n'))
2484 warn(warn_nl, "open");
2487 laststatval = Fstat(i, &statcache);
2488 if (laststatval < 0)
2490 len = read(i, tbuf, 512);
2493 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2494 RETPUSHNO; /* special case NFS directories */
2495 RETPUSHYES; /* null file is anything */
2500 /* now scan s to look for textiness */
2501 /* XXX ASCII dependent code */
2503 for (i = 0; i < len; i++, s++) {
2504 if (!*s) { /* null never allowed in text */
2511 *s != '\n' && *s != '\r' && *s != '\b' &&
2512 *s != '\t' && *s != '\f' && *s != 27)
2516 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2524 return pp_fttext(ARGS);
2539 if (!tmps || !*tmps) {
2540 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2542 tmps = SvPV(*svp, na);
2544 if (!tmps || !*tmps) {
2545 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2547 tmps = SvPV(*svp, na);
2549 TAINT_PROPER("chdir");
2550 PUSHi( chdir(tmps) >= 0 );
2552 /* Clear the DEFAULT element of ENV so we'll get the new value
2554 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2561 dSP; dMARK; dTARGET;
2564 value = (I32)apply(op->op_type, MARK, SP);
2569 DIE(no_func, "Unsupported function chown");
2579 TAINT_PROPER("chroot");
2580 PUSHi( chroot(tmps) >= 0 );
2583 DIE(no_func, "chroot");
2589 dSP; dMARK; dTARGET;
2591 value = (I32)apply(op->op_type, MARK, SP);
2599 dSP; dMARK; dTARGET;
2601 value = (I32)apply(op->op_type, MARK, SP);
2609 dSP; dMARK; dTARGET;
2611 value = (I32)apply(op->op_type, MARK, SP);
2623 char *tmps = SvPV(TOPs, na);
2624 TAINT_PROPER("rename");
2626 anum = rename(tmps, tmps2);
2628 if (!(anum = Stat(tmps, &statbuf))) {
2629 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2632 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2633 (void)UNLINK(tmps2);
2634 if (!(anum = link(tmps, tmps2)))
2635 anum = UNLINK(tmps);
2648 char *tmps = SvPV(TOPs, na);
2649 TAINT_PROPER("link");
2650 SETi( link(tmps, tmps2) >= 0 );
2652 DIE(no_func, "Unsupported function link");
2662 char *tmps = SvPV(TOPs, na);
2663 TAINT_PROPER("symlink");
2664 SETi( symlink(tmps, tmps2) >= 0 );
2667 DIE(no_func, "symlink");
2676 char buf[MAXPATHLEN];
2680 len = readlink(tmps, buf, sizeof buf);
2688 RETSETUNDEF; /* just pretend it's a normal file */
2692 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2694 dooneliner(cmd, filename)
2698 char *save_filename = filename;
2704 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2705 strcpy(cmdline, cmd);
2706 strcat(cmdline, " ");
2707 for (s = cmdline + strlen(cmdline); *filename; ) {
2712 myfp = my_popen(cmdline, "r");
2716 SV *tmpsv = sv_newmortal();
2717 /* Need to save/restore 'rs' ?? */
2718 s = sv_gets(tmpsv, myfp, 0);
2719 (void)my_pclose(myfp);
2723 #ifdef HAS_SYS_ERRLIST
2728 /* you don't see this */
2730 #ifdef HAS_SYS_ERRLIST
2738 if (instr(s, errmsg)) {
2745 #define EACCES EPERM
2747 if (instr(s, "cannot make"))
2748 SETERRNO(EEXIST,RMS$_FEX);
2749 else if (instr(s, "existing file"))
2750 SETERRNO(EEXIST,RMS$_FEX);
2751 else if (instr(s, "ile exists"))
2752 SETERRNO(EEXIST,RMS$_FEX);
2753 else if (instr(s, "non-exist"))
2754 SETERRNO(ENOENT,RMS$_FNF);
2755 else if (instr(s, "does not exist"))
2756 SETERRNO(ENOENT,RMS$_FNF);
2757 else if (instr(s, "not empty"))
2758 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2759 else if (instr(s, "cannot access"))
2760 SETERRNO(EACCES,RMS$_PRV);
2762 SETERRNO(EPERM,RMS$_PRV);
2765 else { /* some mkdirs return no failure indication */
2766 anum = (Stat(save_filename, &statbuf) >= 0);
2767 if (op->op_type == OP_RMDIR)
2772 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2788 char *tmps = SvPV(TOPs, na);
2790 TAINT_PROPER("mkdir");
2792 SETi( Mkdir(tmps, mode) >= 0 );
2794 SETi( dooneliner("mkdir", tmps) );
2795 oldumask = umask(0);
2797 chmod(tmps, (mode & ~oldumask) & 0777);
2808 TAINT_PROPER("rmdir");
2810 XPUSHi( rmdir(tmps) >= 0 );
2812 XPUSHi( dooneliner("rmdir", tmps) );
2817 /* Directory calls. */
2822 #if defined(Direntry_t) && defined(HAS_READDIR)
2823 char *dirname = POPp;
2825 register IO *io = GvIOn(gv);
2831 closedir(IoDIRP(io));
2832 if (!(IoDIRP(io) = opendir(dirname)))
2838 SETERRNO(EBADF,RMS$_DIR);
2841 DIE(no_dir_func, "opendir");
2848 #if defined(Direntry_t) && defined(HAS_READDIR)
2850 Direntry_t *readdir _((DIR *));
2852 register Direntry_t *dp;
2854 register IO *io = GvIOn(gv);
2856 if (!io || !IoDIRP(io))
2859 if (GIMME == G_ARRAY) {
2861 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2863 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2865 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2870 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2873 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2875 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2882 SETERRNO(EBADF,RMS$_ISI);
2883 if (GIMME == G_ARRAY)
2888 DIE(no_dir_func, "readdir");
2895 #if defined(HAS_TELLDIR) || defined(telldir)
2896 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2897 long telldir _((DIR *));
2900 register IO *io = GvIOn(gv);
2902 if (!io || !IoDIRP(io))
2905 PUSHi( telldir(IoDIRP(io)) );
2909 SETERRNO(EBADF,RMS$_ISI);
2912 DIE(no_dir_func, "telldir");
2919 #if defined(HAS_SEEKDIR) || defined(seekdir)
2922 register IO *io = GvIOn(gv);
2924 if (!io || !IoDIRP(io))
2927 (void)seekdir(IoDIRP(io), along);
2932 SETERRNO(EBADF,RMS$_ISI);
2935 DIE(no_dir_func, "seekdir");
2942 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2944 register IO *io = GvIOn(gv);
2946 if (!io || !IoDIRP(io))
2949 (void)rewinddir(IoDIRP(io));
2953 SETERRNO(EBADF,RMS$_ISI);
2956 DIE(no_dir_func, "rewinddir");
2963 #if defined(Direntry_t) && defined(HAS_READDIR)
2965 register IO *io = GvIOn(gv);
2967 if (!io || !IoDIRP(io))
2970 #ifdef VOID_CLOSEDIR
2971 closedir(IoDIRP(io));
2973 if (closedir(IoDIRP(io)) < 0) {
2974 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2983 SETERRNO(EBADF,RMS$_IFI);
2986 DIE(no_dir_func, "closedir");
2990 /* Process control. */
3005 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3006 sv_setiv(GvSV(tmpgv), (IV)getpid());
3007 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3012 DIE(no_func, "Unsupported function fork");
3018 #if !defined(DOSISH) || defined(OS2)
3023 childpid = wait4pid(-1, &argflags, 0);
3024 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3028 DIE(no_func, "Unsupported function wait");
3034 #if !defined(DOSISH) || defined(OS2)
3042 childpid = wait4pid(childpid, &argflags, optype);
3043 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3047 DIE(no_func, "Unsupported function wait");
3053 dSP; dMARK; dORIGMARK; dTARGET;
3058 Sigsave_t ihand,qhand; /* place to save signals during system() */
3060 if (SP - MARK == 1) {
3062 char *junk = SvPV(TOPs, na);
3064 TAINT_PROPER("system");
3067 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3068 while ((childpid = vfork()) == -1) {
3069 if (errno != EAGAIN) {
3078 rsignal_save(SIGINT, SIG_IGN, &ihand);
3079 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3081 result = wait4pid(childpid, &status, 0);
3082 } while (result == -1 && errno == EINTR);
3083 (void)rsignal_restore(SIGINT, &ihand);
3084 (void)rsignal_restore(SIGQUIT, &qhand);
3085 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3086 do_execfree(); /* free any memory child malloced on vfork */
3088 PUSHi(STATUS_CURRENT);
3091 if (op->op_flags & OPf_STACKED) {
3092 SV *really = *++MARK;
3093 value = (I32)do_aexec(really, MARK, SP);
3095 else if (SP - MARK != 1)
3096 value = (I32)do_aexec(Nullsv, MARK, SP);
3098 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3101 #else /* ! FORK or VMS or OS/2 */
3102 if (op->op_flags & OPf_STACKED) {
3103 SV *really = *++MARK;
3104 value = (I32)do_aspawn(really, MARK, SP);
3106 else if (SP - MARK != 1)
3107 value = (I32)do_aspawn(Nullsv, MARK, SP);
3109 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3111 STATUS_NATIVE_SET(value);
3114 PUSHi(STATUS_CURRENT);
3115 #endif /* !FORK or VMS */
3121 dSP; dMARK; dORIGMARK; dTARGET;
3124 if (op->op_flags & OPf_STACKED) {
3125 SV *really = *++MARK;
3126 value = (I32)do_aexec(really, MARK, SP);
3128 else if (SP - MARK != 1)
3130 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3132 value = (I32)do_aexec(Nullsv, MARK, SP);
3136 char *junk = SvPV(*SP, na);
3138 TAINT_PROPER("exec");
3141 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3143 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3153 dSP; dMARK; dTARGET;
3156 value = (I32)apply(op->op_type, MARK, SP);
3161 DIE(no_func, "Unsupported function kill");
3169 XPUSHi( getppid() );
3172 DIE(no_func, "getppid");
3188 value = (I32)BSD_GETPGRP(pid);
3190 if (pid != 0 && pid != getpid())
3191 DIE("POSIX getpgrp can't take an argument");
3192 value = (I32)getpgrp();
3197 DIE(no_func, "getpgrp()");
3216 TAINT_PROPER("setpgrp");
3218 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3220 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3221 DIE("POSIX setpgrp can't take an argument");
3222 SETi( setpgrp() >= 0 );
3223 #endif /* USE_BSDPGRP */
3226 DIE(no_func, "setpgrp()");
3235 #ifdef HAS_GETPRIORITY
3238 SETi( getpriority(which, who) );
3241 DIE(no_func, "getpriority()");
3251 #ifdef HAS_SETPRIORITY
3255 TAINT_PROPER("setpriority");
3256 SETi( setpriority(which, who, niceval) >= 0 );
3259 DIE(no_func, "setpriority()");
3269 XPUSHn( time(Null(Time_t*)) );
3271 XPUSHi( time(Null(Time_t*)) );
3276 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3277 to HZ. Probably. For now, assume that if the system
3278 defines HZ, it does so correctly. (Will this break
3280 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3281 it's supported. --AD 9/96.
3297 DIE("times not implemented");
3302 (void)times(×buf);
3304 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3305 /* struct tms, though same data */
3309 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3310 if (GIMME == G_ARRAY) {
3311 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3312 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3313 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3316 #endif /* HAS_TIMES */
3321 return pp_gmtime(ARGS);
3329 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3330 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3331 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3337 when = (Time_t)SvNVx(POPs);
3339 when = (Time_t)SvIVx(POPs);
3342 if (op->op_type == OP_LOCALTIME)
3343 tmbuf = localtime(&when);
3345 tmbuf = gmtime(&when);
3349 if (GIMME != G_ARRAY) {
3354 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3355 dayname[tmbuf->tm_wday],
3356 monname[tmbuf->tm_mon],
3361 tmbuf->tm_year + 1900);
3362 PUSHs(sv_2mortal(tsv));
3365 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3366 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3367 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3368 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3369 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3370 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3371 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3372 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3373 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3384 anum = alarm((unsigned int)anum);
3391 DIE(no_func, "Unsupported function alarm");
3402 (void)time(&lasttime);
3407 sleep((unsigned int)duration);
3410 XPUSHi(when - lasttime);
3414 /* Shared memory. */
3418 return pp_semget(ARGS);
3423 return pp_semctl(ARGS);
3428 return pp_shmwrite(ARGS);
3433 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3434 dSP; dMARK; dTARGET;
3435 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3440 return pp_semget(ARGS);
3444 /* Message passing. */
3448 return pp_semget(ARGS);
3453 return pp_semctl(ARGS);
3458 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3459 dSP; dMARK; dTARGET;
3460 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3465 return pp_semget(ARGS);
3471 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3472 dSP; dMARK; dTARGET;
3473 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3478 return pp_semget(ARGS);
3486 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3487 dSP; dMARK; dTARGET;
3488 int anum = do_ipcget(op->op_type, MARK, SP);
3495 DIE("System V IPC is not implemented on this machine");
3501 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3502 dSP; dMARK; dTARGET;
3503 int anum = do_ipcctl(op->op_type, MARK, SP);
3511 PUSHp(zero_but_true, ZBTLEN);
3515 return pp_semget(ARGS);
3521 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3522 dSP; dMARK; dTARGET;
3523 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3528 return pp_semget(ARGS);
3532 /* Get system info. */
3537 return pp_ghostent(ARGS);
3539 DIE(no_sock_func, "gethostbyname");
3546 return pp_ghostent(ARGS);
3548 DIE(no_sock_func, "gethostbyaddr");
3556 I32 which = op->op_type;
3557 register char **elem;
3559 struct hostent *gethostbyname();
3560 struct hostent *gethostbyaddr();
3561 #ifdef HAS_GETHOSTENT
3562 struct hostent *gethostent();
3564 struct hostent *hent;
3568 if (which == OP_GHBYNAME) {
3569 hent = gethostbyname(POPp);
3571 else if (which == OP_GHBYADDR) {
3572 int addrtype = POPi;
3575 char *addr = SvPV(addrsv, addrlen);
3577 hent = gethostbyaddr(addr, addrlen, addrtype);
3580 #ifdef HAS_GETHOSTENT
3581 hent = gethostent();
3583 DIE("gethostent not implemented");
3586 #ifdef HOST_NOT_FOUND
3588 STATUS_NATIVE_SET(h_errno);
3591 if (GIMME != G_ARRAY) {
3592 PUSHs(sv = sv_newmortal());
3594 if (which == OP_GHBYNAME) {
3596 sv_setpvn(sv, hent->h_addr, hent->h_length);
3599 sv_setpv(sv, (char*)hent->h_name);
3605 PUSHs(sv = sv_mortalcopy(&sv_no));
3606 sv_setpv(sv, (char*)hent->h_name);
3607 PUSHs(sv = sv_mortalcopy(&sv_no));
3608 for (elem = hent->h_aliases; elem && *elem; elem++) {
3609 sv_catpv(sv, *elem);
3611 sv_catpvn(sv, " ", 1);
3613 PUSHs(sv = sv_mortalcopy(&sv_no));
3614 sv_setiv(sv, (IV)hent->h_addrtype);
3615 PUSHs(sv = sv_mortalcopy(&sv_no));
3616 len = hent->h_length;
3617 sv_setiv(sv, (IV)len);
3619 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3620 XPUSHs(sv = sv_mortalcopy(&sv_no));
3621 sv_setpvn(sv, *elem, len);
3624 PUSHs(sv = sv_mortalcopy(&sv_no));
3626 sv_setpvn(sv, hent->h_addr, len);
3631 DIE(no_sock_func, "gethostent");
3638 return pp_gnetent(ARGS);
3640 DIE(no_sock_func, "getnetbyname");
3647 return pp_gnetent(ARGS);
3649 DIE(no_sock_func, "getnetbyaddr");
3657 I32 which = op->op_type;
3658 register char **elem;
3660 struct netent *getnetbyname();
3661 struct netent *getnetbyaddr();
3662 struct netent *getnetent();
3663 struct netent *nent;
3665 if (which == OP_GNBYNAME)
3666 nent = getnetbyname(POPp);
3667 else if (which == OP_GNBYADDR) {
3668 int addrtype = POPi;
3669 unsigned long addr = U_L(POPn);
3670 nent = getnetbyaddr((long)addr, addrtype);
3676 if (GIMME != G_ARRAY) {
3677 PUSHs(sv = sv_newmortal());
3679 if (which == OP_GNBYNAME)
3680 sv_setiv(sv, (IV)nent->n_net);
3682 sv_setpv(sv, nent->n_name);
3688 PUSHs(sv = sv_mortalcopy(&sv_no));
3689 sv_setpv(sv, nent->n_name);
3690 PUSHs(sv = sv_mortalcopy(&sv_no));
3691 for (elem = nent->n_aliases; elem && *elem; elem++) {
3692 sv_catpv(sv, *elem);
3694 sv_catpvn(sv, " ", 1);
3696 PUSHs(sv = sv_mortalcopy(&sv_no));
3697 sv_setiv(sv, (IV)nent->n_addrtype);
3698 PUSHs(sv = sv_mortalcopy(&sv_no));
3699 sv_setiv(sv, (IV)nent->n_net);
3704 DIE(no_sock_func, "getnetent");
3711 return pp_gprotoent(ARGS);
3713 DIE(no_sock_func, "getprotobyname");
3720 return pp_gprotoent(ARGS);
3722 DIE(no_sock_func, "getprotobynumber");
3730 I32 which = op->op_type;
3731 register char **elem;
3733 struct protoent *getprotobyname();
3734 struct protoent *getprotobynumber();
3735 struct protoent *getprotoent();
3736 struct protoent *pent;
3738 if (which == OP_GPBYNAME)
3739 pent = getprotobyname(POPp);
3740 else if (which == OP_GPBYNUMBER)
3741 pent = getprotobynumber(POPi);
3743 pent = getprotoent();
3746 if (GIMME != G_ARRAY) {
3747 PUSHs(sv = sv_newmortal());
3749 if (which == OP_GPBYNAME)
3750 sv_setiv(sv, (IV)pent->p_proto);
3752 sv_setpv(sv, pent->p_name);
3758 PUSHs(sv = sv_mortalcopy(&sv_no));
3759 sv_setpv(sv, pent->p_name);
3760 PUSHs(sv = sv_mortalcopy(&sv_no));
3761 for (elem = pent->p_aliases; elem && *elem; elem++) {
3762 sv_catpv(sv, *elem);
3764 sv_catpvn(sv, " ", 1);
3766 PUSHs(sv = sv_mortalcopy(&sv_no));
3767 sv_setiv(sv, (IV)pent->p_proto);
3772 DIE(no_sock_func, "getprotoent");
3779 return pp_gservent(ARGS);
3781 DIE(no_sock_func, "getservbyname");
3788 return pp_gservent(ARGS);
3790 DIE(no_sock_func, "getservbyport");
3798 I32 which = op->op_type;
3799 register char **elem;
3801 struct servent *getservbyname();
3802 struct servent *getservbynumber();
3803 struct servent *getservent();
3804 struct servent *sent;
3806 if (which == OP_GSBYNAME) {
3810 if (proto && !*proto)
3813 sent = getservbyname(name, proto);
3815 else if (which == OP_GSBYPORT) {
3817 unsigned short port = POPu;
3822 sent = getservbyport(port, proto);
3825 sent = getservent();
3828 if (GIMME != G_ARRAY) {
3829 PUSHs(sv = sv_newmortal());
3831 if (which == OP_GSBYNAME) {
3833 sv_setiv(sv, (IV)ntohs(sent->s_port));
3835 sv_setiv(sv, (IV)(sent->s_port));
3839 sv_setpv(sv, sent->s_name);
3845 PUSHs(sv = sv_mortalcopy(&sv_no));
3846 sv_setpv(sv, sent->s_name);
3847 PUSHs(sv = sv_mortalcopy(&sv_no));
3848 for (elem = sent->s_aliases; elem && *elem; elem++) {
3849 sv_catpv(sv, *elem);
3851 sv_catpvn(sv, " ", 1);
3853 PUSHs(sv = sv_mortalcopy(&sv_no));
3855 sv_setiv(sv, (IV)ntohs(sent->s_port));
3857 sv_setiv(sv, (IV)(sent->s_port));
3859 PUSHs(sv = sv_mortalcopy(&sv_no));
3860 sv_setpv(sv, sent->s_proto);
3865 DIE(no_sock_func, "getservent");
3876 DIE(no_sock_func, "sethostent");
3887 DIE(no_sock_func, "setnetent");
3898 DIE(no_sock_func, "setprotoent");
3909 DIE(no_sock_func, "setservent");
3921 DIE(no_sock_func, "endhostent");
3933 DIE(no_sock_func, "endnetent");
3945 DIE(no_sock_func, "endprotoent");
3957 DIE(no_sock_func, "endservent");
3964 return pp_gpwent(ARGS);
3966 DIE(no_func, "getpwnam");
3973 return pp_gpwent(ARGS);
3975 DIE(no_func, "getpwuid");
3983 I32 which = op->op_type;
3985 struct passwd *pwent;
3987 if (which == OP_GPWNAM)
3988 pwent = getpwnam(POPp);
3989 else if (which == OP_GPWUID)
3990 pwent = getpwuid(POPi);
3992 pwent = (struct passwd *)getpwent();
3995 if (GIMME != G_ARRAY) {
3996 PUSHs(sv = sv_newmortal());
3998 if (which == OP_GPWNAM)
3999 sv_setiv(sv, (IV)pwent->pw_uid);
4001 sv_setpv(sv, pwent->pw_name);
4007 PUSHs(sv = sv_mortalcopy(&sv_no));
4008 sv_setpv(sv, pwent->pw_name);
4009 PUSHs(sv = sv_mortalcopy(&sv_no));
4010 sv_setpv(sv, pwent->pw_passwd);
4011 PUSHs(sv = sv_mortalcopy(&sv_no));
4012 sv_setiv(sv, (IV)pwent->pw_uid);
4013 PUSHs(sv = sv_mortalcopy(&sv_no));
4014 sv_setiv(sv, (IV)pwent->pw_gid);
4015 PUSHs(sv = sv_mortalcopy(&sv_no));
4017 sv_setiv(sv, (IV)pwent->pw_change);
4020 sv_setiv(sv, (IV)pwent->pw_quota);
4023 sv_setpv(sv, pwent->pw_age);
4027 PUSHs(sv = sv_mortalcopy(&sv_no));
4029 sv_setpv(sv, pwent->pw_class);
4032 sv_setpv(sv, pwent->pw_comment);
4035 PUSHs(sv = sv_mortalcopy(&sv_no));
4036 sv_setpv(sv, pwent->pw_gecos);
4037 PUSHs(sv = sv_mortalcopy(&sv_no));
4038 sv_setpv(sv, pwent->pw_dir);
4039 PUSHs(sv = sv_mortalcopy(&sv_no));
4040 sv_setpv(sv, pwent->pw_shell);
4042 PUSHs(sv = sv_mortalcopy(&sv_no));
4043 sv_setiv(sv, (IV)pwent->pw_expire);
4048 DIE(no_func, "getpwent");
4055 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4059 DIE(no_func, "setpwent");
4070 DIE(no_func, "endpwent");
4077 return pp_ggrent(ARGS);
4079 DIE(no_func, "getgrnam");
4086 return pp_ggrent(ARGS);
4088 DIE(no_func, "getgrgid");
4096 I32 which = op->op_type;
4097 register char **elem;
4099 struct group *grent;
4101 if (which == OP_GGRNAM)
4102 grent = (struct group *)getgrnam(POPp);
4103 else if (which == OP_GGRGID)
4104 grent = (struct group *)getgrgid(POPi);
4106 grent = (struct group *)getgrent();
4109 if (GIMME != G_ARRAY) {
4110 PUSHs(sv = sv_newmortal());
4112 if (which == OP_GGRNAM)
4113 sv_setiv(sv, (IV)grent->gr_gid);
4115 sv_setpv(sv, grent->gr_name);
4121 PUSHs(sv = sv_mortalcopy(&sv_no));
4122 sv_setpv(sv, grent->gr_name);
4123 PUSHs(sv = sv_mortalcopy(&sv_no));
4124 sv_setpv(sv, grent->gr_passwd);
4125 PUSHs(sv = sv_mortalcopy(&sv_no));
4126 sv_setiv(sv, (IV)grent->gr_gid);
4127 PUSHs(sv = sv_mortalcopy(&sv_no));
4128 for (elem = grent->gr_mem; elem && *elem; elem++) {
4129 sv_catpv(sv, *elem);
4131 sv_catpvn(sv, " ", 1);
4137 DIE(no_func, "getgrent");
4148 DIE(no_func, "setgrent");
4159 DIE(no_func, "endgrent");
4169 if (!(tmps = getlogin()))
4171 PUSHp(tmps, strlen(tmps));
4174 DIE(no_func, "getlogin");
4178 /* Miscellaneous. */
4183 dSP; dMARK; dORIGMARK; dTARGET;
4184 register I32 items = SP - MARK;
4185 unsigned long a[20];
4191 while (++MARK <= SP) {
4192 if (SvTAINTED(*MARK)) {
4198 TAINT_PROPER("syscall");
4201 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4202 * or where sizeof(long) != sizeof(char*). But such machines will
4203 * not likely have syscall implemented either, so who cares?
4205 while (++MARK <= SP) {
4206 if (SvNIOK(*MARK) || !i)
4207 a[i++] = SvIV(*MARK);
4208 else if (*MARK == &sv_undef)
4211 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4217 DIE("Too many args to syscall");
4219 DIE("Too few args to syscall");
4221 retval = syscall(a[0]);
4224 retval = syscall(a[0],a[1]);
4227 retval = syscall(a[0],a[1],a[2]);
4230 retval = syscall(a[0],a[1],a[2],a[3]);
4233 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4236 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4239 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4242 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4246 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4249 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4252 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4256 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4260 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4264 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4265 a[10],a[11],a[12],a[13]);
4267 #endif /* atarist */
4273 DIE(no_func, "syscall");
4277 #ifdef FCNTL_EMULATE_FLOCK
4279 /* XXX Emulate flock() with fcntl().
4280 What's really needed is a good file locking module.
4284 fcntl_emulate_flock(fd, operation)
4290 switch (operation & ~LOCK_NB) {
4292 flock.l_type = F_RDLCK;
4295 flock.l_type = F_WRLCK;
4298 flock.l_type = F_UNLCK;
4304 flock.l_whence = SEEK_SET;
4305 flock.l_start = flock.l_len = 0L;
4307 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4310 #endif /* FCNTL_EMULATE_FLOCK */
4312 #ifdef LOCKF_EMULATE_FLOCK
4314 /* XXX Emulate flock() with lockf(). This is just to increase
4315 portability of scripts. The calls are not completely
4316 interchangeable. What's really needed is a good file
4320 /* The lockf() constants might have been defined in <unistd.h>.
4321 Unfortunately, <unistd.h> causes troubles on some mixed
4322 (BSD/POSIX) systems, such as SunOS 4.1.3.
4324 Further, the lockf() constants aren't POSIX, so they might not be
4325 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4326 just stick in the SVID values and be done with it. Sigh.
4330 # define F_ULOCK 0 /* Unlock a previously locked region */
4333 # define F_LOCK 1 /* Lock a region for exclusive use */
4336 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4339 # define F_TEST 3 /* Test a region for other processes locks */
4343 lockf_emulate_flock (fd, operation)
4348 switch (operation) {
4350 /* LOCK_SH - get a shared lock */
4352 /* LOCK_EX - get an exclusive lock */
4354 i = lockf (fd, F_LOCK, 0);
4357 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4358 case LOCK_SH|LOCK_NB:
4359 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4360 case LOCK_EX|LOCK_NB:
4361 i = lockf (fd, F_TLOCK, 0);
4363 if ((errno == EAGAIN) || (errno == EACCES))
4364 errno = EWOULDBLOCK;
4367 /* LOCK_UN - unlock (non-blocking is a no-op) */
4369 case LOCK_UN|LOCK_NB:
4370 i = lockf (fd, F_ULOCK, 0);
4373 /* Default - can't decipher operation */
4382 #endif /* LOCKF_EMULATE_FLOCK */