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())
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())
658 if (!sv_isobject(TOPs)) {
666 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
668 PUSHs((SV*)GvCV(gv));
671 if (op = pp_entersub())
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");
827 (void)SvREFCNT_inc(gv);
829 SvREFCNT_dec(defoutgv);
839 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
841 egv = GvEGV(defoutgv);
848 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
849 if (gvp && *gvp == egv) {
850 gv_efullname3(TARG, defoutgv, Nullch);
854 XPUSHs(sv_2mortal(newRV((SV*)egv)));
859 if (!GvIO(newdefout))
861 setdefout(newdefout);
880 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
886 perl_call_method("GETC", gimme);
889 if (gimme == G_SCALAR)
890 SvSetMagicSV_nosteal(TARG, TOPs);
893 if (!gv || do_eof(gv)) /* make sure we have fp with something */
897 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
904 return pp_sysread(ARGS);
913 register CONTEXT *cx;
915 AV* padlist = CvPADLIST(cv);
916 SV** svp = AvARRAY(padlist);
922 PUSHBLOCK(cx, CXt_SUB, stack_sp);
925 curpad = AvARRAY((AV*)svp[1]);
927 setdefout(gv); /* locally select filehandle so $% et al work */
959 SV *tmpsv = sv_newmortal();
960 gv_efullname3(tmpsv, fgv, Nullch);
961 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
963 DIE("Not a format reference");
966 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
968 IoFLAGS(io) &= ~IOf_DIDTOP;
969 return doform(cv,gv,op->op_next);
975 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
976 register IO *io = GvIOp(gv);
977 PerlIO *ofp = IoOFP(io);
981 register CONTEXT *cx;
983 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
984 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
985 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
986 formtarget != toptarget)
994 if (!IoTOP_NAME(io)) {
996 IoFMT_NAME(io) = savepv(GvNAME(gv));
997 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
998 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
999 if ((topgv && GvFORM(topgv)) ||
1000 !gv_fetchpv("top",FALSE,SVt_PVFM))
1001 IoTOP_NAME(io) = savepv(SvPVX(topname));
1003 IoTOP_NAME(io) = savepv("top");
1005 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1006 if (!topgv || !GvFORM(topgv)) {
1007 IoLINES_LEFT(io) = 100000000;
1010 IoTOP_GV(io) = topgv;
1012 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1013 I32 lines = IoLINES_LEFT(io);
1014 char *s = SvPVX(formtarget);
1015 if (lines <= 0) /* Yow, header didn't even fit!!! */
1017 while (lines-- > 0) {
1018 s = strchr(s, '\n');
1024 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1025 sv_chop(formtarget, s);
1026 FmLINES(formtarget) -= IoLINES_LEFT(io);
1029 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1030 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1031 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1033 formtarget = toptarget;
1034 IoFLAGS(io) |= IOf_DIDTOP;
1037 DIE("bad top format reference");
1040 SV *tmpsv = sv_newmortal();
1041 gv_efullname3(tmpsv, fgv, Nullch);
1042 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1045 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1046 return doform(cv,gv,op);
1058 warn("Filehandle only opened for input");
1060 warn("Write on closed filehandle");
1065 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1067 warn("page overflow");
1069 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1073 FmLINES(formtarget) = 0;
1074 SvCUR_set(formtarget, 0);
1075 *SvEND(formtarget) = '\0';
1076 if (IoFLAGS(io) & IOf_FLUSH)
1077 (void)PerlIO_flush(fp);
1081 formtarget = bodytarget;
1083 return pop_return();
1088 dSP; dMARK; dORIGMARK;
1095 if (op->op_flags & OPf_STACKED)
1100 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1101 if (MARK == ORIGMARK) {
1104 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1111 perl_call_method("PRINTF", G_SCALAR);
1114 MARK = ORIGMARK + 1;
1121 if (!(io = GvIO(gv))) {
1123 gv_fullname3(sv, gv, Nullch);
1124 warn("Filehandle %s never opened", SvPV(sv,na));
1126 SETERRNO(EBADF,RMS$_IFI);
1129 else if (!(fp = IoOFP(io))) {
1131 gv_fullname3(sv, gv, Nullch);
1133 warn("Filehandle %s opened only for input", SvPV(sv,na));
1135 warn("printf on closed filehandle %s", SvPV(sv,na));
1137 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1141 #ifdef USE_LOCALE_NUMERIC
1142 if (op->op_private & OPpLOCALE)
1143 SET_NUMERIC_LOCAL();
1145 SET_NUMERIC_STANDARD();
1147 do_sprintf(sv, SP - MARK, MARK + 1);
1148 if (!do_print(sv, fp))
1151 if (IoFLAGS(io) & IOf_FLUSH)
1152 if (PerlIO_flush(fp) == EOF)
1184 tmps = SvPV(sv, len);
1185 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1186 IoLINES(GvIOp(gv)) = 0;
1197 dSP; dMARK; dORIGMARK; dTARGET;
1203 Sock_size_t bufsize;
1209 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1210 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1217 perl_call_method("READ", G_SCALAR);
1230 sv_setpvn(bufsv, "", 0);
1231 buffer = SvPV_force(bufsv, blen);
1232 length = SvIVx(*++MARK);
1234 DIE("Negative length");
1237 offset = SvIVx(*++MARK);
1241 if (!io || !IoIFP(io))
1244 if (op->op_type == OP_RECV) {
1245 char namebuf[MAXPATHLEN];
1246 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1247 bufsize = sizeof (struct sockaddr_in);
1249 bufsize = sizeof namebuf;
1251 buffer = SvGROW(bufsv, length+1);
1252 /* 'offset' means 'flags' here */
1253 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1254 (struct sockaddr *)namebuf, &bufsize);
1257 SvCUR_set(bufsv, length);
1258 *SvEND(bufsv) = '\0';
1259 (void)SvPOK_only(bufsv);
1261 /* This should not be marked tainted if the fp is marked clean */
1262 if (!(IoFLAGS(io) & IOf_UNTAINT))
1263 SvTAINTED_on(bufsv);
1265 sv_setpvn(TARG, namebuf, bufsize);
1270 if (op->op_type == OP_RECV)
1271 DIE(no_sock_func, "recv");
1275 DIE("Offset outside string");
1278 bufsize = SvCUR(bufsv);
1279 buffer = SvGROW(bufsv, length+offset+1);
1280 if (offset > bufsize) { /* Zero any newly allocated space */
1281 Zero(buffer+bufsize, offset-bufsize, char);
1283 if (op->op_type == OP_SYSREAD) {
1284 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1287 #ifdef HAS_SOCKET__bad_code_maybe
1288 if (IoTYPE(io) == 's') {
1289 char namebuf[MAXPATHLEN];
1290 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1291 bufsize = sizeof (struct sockaddr_in);
1293 bufsize = sizeof namebuf;
1295 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1296 (struct sockaddr *)namebuf, &bufsize);
1300 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1303 SvCUR_set(bufsv, length+offset);
1304 *SvEND(bufsv) = '\0';
1305 (void)SvPOK_only(bufsv);
1307 /* This should not be marked tainted if the fp is marked clean */
1308 if (!(IoFLAGS(io) & IOf_UNTAINT))
1309 SvTAINTED_on(bufsv);
1321 return pp_send(ARGS);
1326 dSP; dMARK; dORIGMARK; dTARGET;
1339 buffer = SvPV(bufsv, blen);
1340 length = SvIVx(*++MARK);
1342 DIE("Negative length");
1345 if (!io || !IoIFP(io)) {
1348 if (op->op_type == OP_SYSWRITE)
1349 warn("Syswrite on closed filehandle");
1351 warn("Send on closed socket");
1354 else if (op->op_type == OP_SYSWRITE) {
1356 offset = SvIVx(*++MARK);
1359 DIE("Offset outside string");
1361 } else if (offset >= blen)
1362 DIE("Offset outside string");
1365 if (length > blen - offset)
1366 length = blen - offset;
1367 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1370 else if (SP > MARK) {
1373 sockbuf = SvPVx(*++MARK, mlen);
1374 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1375 (struct sockaddr *)sockbuf, mlen);
1378 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1382 DIE(no_sock_func, "send");
1397 return pp_sysread(ARGS);
1408 gv = last_in_gv = (GV*)POPs;
1409 PUSHs(boolSV(!gv || do_eof(gv)));
1421 gv = last_in_gv = (GV*)POPs;
1422 PUSHi( do_tell(gv) );
1428 return pp_sysseek(ARGS);
1438 gv = last_in_gv = (GV*)POPs;
1439 if (op->op_type == OP_SEEK)
1440 PUSHs(boolSV(do_seek(gv, offset, whence)));
1442 long n = do_sysseek(gv, offset, whence);
1443 PUSHs((n < 0) ? &sv_undef
1444 : sv_2mortal(n ? newSViv((IV)n)
1445 : newSVpv(zero_but_true, ZBTLEN)));
1453 Off_t len = (Off_t)POPn;
1458 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1459 if (op->op_flags & OPf_SPECIAL) {
1460 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1462 TAINT_PROPER("truncate");
1463 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1465 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1467 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1475 if (SvTYPE(sv) == SVt_PVGV) {
1476 tmpgv = (GV*)sv; /* *main::FRED for example */
1479 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1480 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1484 name = SvPV(sv, na);
1485 TAINT_PROPER("truncate");
1487 if (truncate(name, len) < 0)
1492 if ((tmpfd = open(name, O_RDWR)) < 0)
1495 if (my_chsize(tmpfd, len) < 0)
1506 SETERRNO(EBADF,RMS$_IFI);
1509 DIE("truncate not implemented");
1515 return pp_ioctl(ARGS);
1522 unsigned int func = U_I(POPn);
1523 int optype = op->op_type;
1529 if (!io || !argsv || !IoIFP(io)) {
1530 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1534 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1537 s = SvPV_force(argsv, len);
1538 need = IOCPARM_LEN(func);
1540 s = Sv_Grow(argsv, need + 1);
1541 SvCUR_set(argsv, need);
1544 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1547 retval = SvIV(argsv);
1548 s = (char*)retval; /* ouch */
1551 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1553 if (optype == OP_IOCTL)
1555 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1557 DIE("ioctl is not implemented");
1561 #if defined(OS2) && defined(__EMX__)
1562 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1564 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1567 DIE("fcntl is not implemented");
1571 if (s[SvCUR(argsv)] != 17)
1572 DIE("Possible memory corruption: %s overflowed 3rd argument",
1574 s[SvCUR(argsv)] = 0; /* put our null back */
1575 SvSETMAGIC(argsv); /* Assume it has changed */
1584 PUSHp(zero_but_true, ZBTLEN);
1604 fp = IoIFP(GvIOp(gv));
1608 (void)PerlIO_flush(fp);
1609 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1616 DIE(no_func, "flock()");
1628 int protocol = POPi;
1636 SETERRNO(EBADF,LIB$_INVARG);
1642 do_close(gv, FALSE);
1644 TAINT_PROPER("socket");
1645 fd = socket(domain, type, protocol);
1648 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1649 IoOFP(io) = PerlIO_fdopen(fd, "w");
1651 if (!IoIFP(io) || !IoOFP(io)) {
1652 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1653 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1654 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1660 DIE(no_sock_func, "socket");
1667 #ifdef HAS_SOCKETPAIR
1672 int protocol = POPi;
1685 do_close(gv1, FALSE);
1687 do_close(gv2, FALSE);
1689 TAINT_PROPER("socketpair");
1690 if (socketpair(domain, type, protocol, fd) < 0)
1692 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1693 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1695 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1696 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1698 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1699 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1700 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1701 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1702 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1703 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1704 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1710 DIE(no_sock_func, "socketpair");
1721 register IO *io = GvIOn(gv);
1724 if (!io || !IoIFP(io))
1727 addr = SvPV(addrsv, len);
1728 TAINT_PROPER("bind");
1729 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1736 warn("bind() on closed fd");
1737 SETERRNO(EBADF,SS$_IVCHAN);
1740 DIE(no_sock_func, "bind");
1751 register IO *io = GvIOn(gv);
1754 if (!io || !IoIFP(io))
1757 addr = SvPV(addrsv, len);
1758 TAINT_PROPER("connect");
1759 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1766 warn("connect() on closed fd");
1767 SETERRNO(EBADF,SS$_IVCHAN);
1770 DIE(no_sock_func, "connect");
1780 register IO *io = GvIOn(gv);
1782 if (!io || !IoIFP(io))
1785 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1792 warn("listen() on closed fd");
1793 SETERRNO(EBADF,SS$_IVCHAN);
1796 DIE(no_sock_func, "listen");
1808 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1809 Sock_size_t len = sizeof saddr;
1821 if (!gstio || !IoIFP(gstio))
1826 do_close(ngv, FALSE);
1828 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1831 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1832 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1833 IoTYPE(nstio) = 's';
1834 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1835 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1836 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1837 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1841 PUSHp((char *)&saddr, len);
1846 warn("accept() on closed fd");
1847 SETERRNO(EBADF,SS$_IVCHAN);
1853 DIE(no_sock_func, "accept");
1863 register IO *io = GvIOn(gv);
1865 if (!io || !IoIFP(io))
1868 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1873 warn("shutdown() on closed fd");
1874 SETERRNO(EBADF,SS$_IVCHAN);
1877 DIE(no_sock_func, "shutdown");
1884 return pp_ssockopt(ARGS);
1886 DIE(no_sock_func, "getsockopt");
1894 int optype = op->op_type;
1897 unsigned int optname;
1903 if (optype == OP_GSOCKOPT)
1904 sv = sv_2mortal(NEWSV(22, 257));
1907 optname = (unsigned int) POPi;
1908 lvl = (unsigned int) POPi;
1912 if (!io || !IoIFP(io))
1915 fd = PerlIO_fileno(IoIFP(io));
1919 (void)SvPOK_only(sv);
1923 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1936 else if (SvOK(sv)) {
1937 aint = (int)SvIV(sv);
1941 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1951 warn("[gs]etsockopt() on closed fd");
1952 SETERRNO(EBADF,SS$_IVCHAN);
1957 DIE(no_sock_func, "setsockopt");
1964 return pp_getpeername(ARGS);
1966 DIE(no_sock_func, "getsockname");
1974 int optype = op->op_type;
1978 register IO *io = GvIOn(gv);
1981 if (!io || !IoIFP(io))
1984 sv = sv_2mortal(NEWSV(22, 257));
1985 (void)SvPOK_only(sv);
1989 fd = PerlIO_fileno(IoIFP(io));
1991 case OP_GETSOCKNAME:
1992 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1995 case OP_GETPEERNAME:
1996 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1998 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2000 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2001 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2002 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2003 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2004 sizeof(u_short) + sizeof(struct in_addr))) {
2011 #ifdef BOGUS_GETNAME_RETURN
2012 /* Interactive Unix, getpeername() and getsockname()
2013 does not return valid namelen */
2014 if (len == BOGUS_GETNAME_RETURN)
2015 len = sizeof(struct sockaddr);
2024 warn("get{sock, peer}name() on closed fd");
2025 SETERRNO(EBADF,SS$_IVCHAN);
2030 DIE(no_sock_func, "getpeername");
2038 return pp_stat(ARGS);
2048 if (op->op_flags & OPf_REF) {
2049 tmpgv = cGVOP->op_gv;
2051 if (tmpgv != defgv) {
2052 laststype = OP_STAT;
2054 sv_setpv(statname, "");
2055 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2056 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2058 if (laststatval < 0)
2063 if (SvTYPE(sv) == SVt_PVGV) {
2067 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2068 tmpgv = (GV*)SvRV(sv);
2071 sv_setpv(statname, SvPV(sv,na));
2074 laststype = op->op_type;
2075 if (op->op_type == OP_LSTAT)
2076 laststatval = lstat(SvPV(statname, na), &statcache);
2079 laststatval = Stat(SvPV(statname, na), &statcache);
2080 if (laststatval < 0) {
2081 if (dowarn && strchr(SvPV(statname, na), '\n'))
2082 warn(warn_nl, "stat");
2088 if (gimme != G_ARRAY) {
2089 if (gimme != G_VOID)
2090 XPUSHs(boolSV(max));
2096 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2097 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2098 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2099 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2100 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2101 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2102 #ifdef USE_STAT_RDEV
2103 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2105 PUSHs(sv_2mortal(newSVpv("", 0)));
2107 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2109 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2110 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2111 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2113 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2115 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2117 #ifdef USE_STAT_BLOCKS
2118 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2119 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2121 PUSHs(sv_2mortal(newSVpv("", 0)));
2122 PUSHs(sv_2mortal(newSVpv("", 0)));
2130 I32 result = my_stat(ARGS);
2134 if (cando(S_IRUSR, 0, &statcache))
2141 I32 result = my_stat(ARGS);
2145 if (cando(S_IWUSR, 0, &statcache))
2152 I32 result = my_stat(ARGS);
2156 if (cando(S_IXUSR, 0, &statcache))
2163 I32 result = my_stat(ARGS);
2167 if (cando(S_IRUSR, 1, &statcache))
2174 I32 result = my_stat(ARGS);
2178 if (cando(S_IWUSR, 1, &statcache))
2185 I32 result = my_stat(ARGS);
2189 if (cando(S_IXUSR, 1, &statcache))
2196 I32 result = my_stat(ARGS);
2205 return pp_ftrowned(ARGS);
2210 I32 result = my_stat(ARGS);
2214 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2221 I32 result = my_stat(ARGS);
2225 if (!statcache.st_size)
2232 I32 result = my_stat(ARGS);
2236 PUSHi(statcache.st_size);
2242 I32 result = my_stat(ARGS);
2246 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2252 I32 result = my_stat(ARGS);
2256 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2262 I32 result = my_stat(ARGS);
2266 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2272 I32 result = my_stat(ARGS);
2276 if (S_ISSOCK(statcache.st_mode))
2283 I32 result = my_stat(ARGS);
2287 if (S_ISCHR(statcache.st_mode))
2294 I32 result = my_stat(ARGS);
2298 if (S_ISBLK(statcache.st_mode))
2305 I32 result = my_stat(ARGS);
2309 if (S_ISREG(statcache.st_mode))
2316 I32 result = my_stat(ARGS);
2320 if (S_ISDIR(statcache.st_mode))
2327 I32 result = my_stat(ARGS);
2331 if (S_ISFIFO(statcache.st_mode))
2338 I32 result = my_lstat(ARGS);
2342 if (S_ISLNK(statcache.st_mode))
2351 I32 result = my_stat(ARGS);
2355 if (statcache.st_mode & S_ISUID)
2365 I32 result = my_stat(ARGS);
2369 if (statcache.st_mode & S_ISGID)
2379 I32 result = my_stat(ARGS);
2383 if (statcache.st_mode & S_ISVTX)
2395 if (op->op_flags & OPf_REF) {
2400 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2401 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2402 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2403 else if (isDIGIT(*tmps))
2412 #if defined(atarist) /* this will work with atariST. Configure will
2413 make guesses for other systems. */
2414 # define FILE_base(f) ((f)->_base)
2415 # define FILE_ptr(f) ((f)->_ptr)
2416 # define FILE_cnt(f) ((f)->_cnt)
2417 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2427 register STDCHAR *s;
2432 if (op->op_flags & OPf_REF)
2434 else if (isGV(TOPs))
2436 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2437 gv = (GV*)SvRV(POPs);
2448 goto really_filename;
2454 sv_setpv(statname, "");
2457 if (io && IoIFP(io)) {
2458 if (! PerlIO_has_base(IoIFP(io)))
2459 DIE("-T and -B not implemented on filehandles");
2460 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2461 if (laststatval < 0)
2463 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2464 if (op->op_type == OP_FTTEXT)
2468 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2469 i = PerlIO_getc(IoIFP(io));
2471 (void)PerlIO_ungetc(IoIFP(io),i);
2473 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2475 len = PerlIO_get_bufsiz(IoIFP(io));
2476 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2477 /* sfio can have large buffers - limit to 512 */
2483 warn("Test on unopened file <%s>",
2484 GvENAME(cGVOP->op_gv));
2485 SETERRNO(EBADF,RMS$_IFI);
2494 sv_setpv(statname, SvPV(sv, na));
2496 i = open(SvPV(sv, na), O_RDONLY, 0);
2498 i = open(SvPV(sv, na), 0);
2501 if (dowarn && strchr(SvPV(sv, na), '\n'))
2502 warn(warn_nl, "open");
2505 laststatval = Fstat(i, &statcache);
2506 if (laststatval < 0)
2508 len = read(i, tbuf, 512);
2511 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2512 RETPUSHNO; /* special case NFS directories */
2513 RETPUSHYES; /* null file is anything */
2518 /* now scan s to look for textiness */
2519 /* XXX ASCII dependent code */
2521 for (i = 0; i < len; i++, s++) {
2522 if (!*s) { /* null never allowed in text */
2529 *s != '\n' && *s != '\r' && *s != '\b' &&
2530 *s != '\t' && *s != '\f' && *s != 27)
2534 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2542 return pp_fttext(ARGS);
2557 if (!tmps || !*tmps) {
2558 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2560 tmps = SvPV(*svp, na);
2562 if (!tmps || !*tmps) {
2563 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2565 tmps = SvPV(*svp, na);
2567 TAINT_PROPER("chdir");
2568 PUSHi( chdir(tmps) >= 0 );
2570 /* Clear the DEFAULT element of ENV so we'll get the new value
2572 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2579 dSP; dMARK; dTARGET;
2582 value = (I32)apply(op->op_type, MARK, SP);
2587 DIE(no_func, "Unsupported function chown");
2597 TAINT_PROPER("chroot");
2598 PUSHi( chroot(tmps) >= 0 );
2601 DIE(no_func, "chroot");
2607 dSP; dMARK; dTARGET;
2609 value = (I32)apply(op->op_type, MARK, SP);
2617 dSP; dMARK; dTARGET;
2619 value = (I32)apply(op->op_type, MARK, SP);
2627 dSP; dMARK; dTARGET;
2629 value = (I32)apply(op->op_type, MARK, SP);
2641 char *tmps = SvPV(TOPs, na);
2642 TAINT_PROPER("rename");
2644 anum = rename(tmps, tmps2);
2646 if (!(anum = Stat(tmps, &statbuf))) {
2647 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2650 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2651 (void)UNLINK(tmps2);
2652 if (!(anum = link(tmps, tmps2)))
2653 anum = UNLINK(tmps);
2666 char *tmps = SvPV(TOPs, na);
2667 TAINT_PROPER("link");
2668 SETi( link(tmps, tmps2) >= 0 );
2670 DIE(no_func, "Unsupported function link");
2680 char *tmps = SvPV(TOPs, na);
2681 TAINT_PROPER("symlink");
2682 SETi( symlink(tmps, tmps2) >= 0 );
2685 DIE(no_func, "symlink");
2694 char buf[MAXPATHLEN];
2698 len = readlink(tmps, buf, sizeof buf);
2706 RETSETUNDEF; /* just pretend it's a normal file */
2710 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2712 dooneliner(cmd, filename)
2716 char *save_filename = filename;
2722 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2723 strcpy(cmdline, cmd);
2724 strcat(cmdline, " ");
2725 for (s = cmdline + strlen(cmdline); *filename; ) {
2730 myfp = my_popen(cmdline, "r");
2734 SV *tmpsv = sv_newmortal();
2735 /* Need to save/restore 'rs' ?? */
2736 s = sv_gets(tmpsv, myfp, 0);
2737 (void)my_pclose(myfp);
2741 #ifdef HAS_SYS_ERRLIST
2746 /* you don't see this */
2748 #ifdef HAS_SYS_ERRLIST
2756 if (instr(s, errmsg)) {
2763 #define EACCES EPERM
2765 if (instr(s, "cannot make"))
2766 SETERRNO(EEXIST,RMS$_FEX);
2767 else if (instr(s, "existing file"))
2768 SETERRNO(EEXIST,RMS$_FEX);
2769 else if (instr(s, "ile exists"))
2770 SETERRNO(EEXIST,RMS$_FEX);
2771 else if (instr(s, "non-exist"))
2772 SETERRNO(ENOENT,RMS$_FNF);
2773 else if (instr(s, "does not exist"))
2774 SETERRNO(ENOENT,RMS$_FNF);
2775 else if (instr(s, "not empty"))
2776 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2777 else if (instr(s, "cannot access"))
2778 SETERRNO(EACCES,RMS$_PRV);
2780 SETERRNO(EPERM,RMS$_PRV);
2783 else { /* some mkdirs return no failure indication */
2784 anum = (Stat(save_filename, &statbuf) >= 0);
2785 if (op->op_type == OP_RMDIR)
2790 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2806 char *tmps = SvPV(TOPs, na);
2808 TAINT_PROPER("mkdir");
2810 SETi( Mkdir(tmps, mode) >= 0 );
2812 SETi( dooneliner("mkdir", tmps) );
2813 oldumask = umask(0);
2815 chmod(tmps, (mode & ~oldumask) & 0777);
2826 TAINT_PROPER("rmdir");
2828 XPUSHi( rmdir(tmps) >= 0 );
2830 XPUSHi( dooneliner("rmdir", tmps) );
2835 /* Directory calls. */
2840 #if defined(Direntry_t) && defined(HAS_READDIR)
2841 char *dirname = POPp;
2843 register IO *io = GvIOn(gv);
2849 closedir(IoDIRP(io));
2850 if (!(IoDIRP(io) = opendir(dirname)))
2856 SETERRNO(EBADF,RMS$_DIR);
2859 DIE(no_dir_func, "opendir");
2866 #if defined(Direntry_t) && defined(HAS_READDIR)
2868 Direntry_t *readdir _((DIR *));
2870 register Direntry_t *dp;
2872 register IO *io = GvIOn(gv);
2874 if (!io || !IoDIRP(io))
2877 if (GIMME == G_ARRAY) {
2879 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2881 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2883 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2888 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2891 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2893 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2900 SETERRNO(EBADF,RMS$_ISI);
2901 if (GIMME == G_ARRAY)
2906 DIE(no_dir_func, "readdir");
2913 #if defined(HAS_TELLDIR) || defined(telldir)
2914 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2915 long telldir _((DIR *));
2918 register IO *io = GvIOn(gv);
2920 if (!io || !IoDIRP(io))
2923 PUSHi( telldir(IoDIRP(io)) );
2927 SETERRNO(EBADF,RMS$_ISI);
2930 DIE(no_dir_func, "telldir");
2937 #if defined(HAS_SEEKDIR) || defined(seekdir)
2940 register IO *io = GvIOn(gv);
2942 if (!io || !IoDIRP(io))
2945 (void)seekdir(IoDIRP(io), along);
2950 SETERRNO(EBADF,RMS$_ISI);
2953 DIE(no_dir_func, "seekdir");
2960 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2962 register IO *io = GvIOn(gv);
2964 if (!io || !IoDIRP(io))
2967 (void)rewinddir(IoDIRP(io));
2971 SETERRNO(EBADF,RMS$_ISI);
2974 DIE(no_dir_func, "rewinddir");
2981 #if defined(Direntry_t) && defined(HAS_READDIR)
2983 register IO *io = GvIOn(gv);
2985 if (!io || !IoDIRP(io))
2988 #ifdef VOID_CLOSEDIR
2989 closedir(IoDIRP(io));
2991 if (closedir(IoDIRP(io)) < 0) {
2992 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3001 SETERRNO(EBADF,RMS$_IFI);
3004 DIE(no_dir_func, "closedir");
3008 /* Process control. */
3023 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3024 sv_setiv(GvSV(tmpgv), (IV)getpid());
3025 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3030 DIE(no_func, "Unsupported function fork");
3036 #if !defined(DOSISH) || defined(OS2)
3041 childpid = wait4pid(-1, &argflags, 0);
3042 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3046 DIE(no_func, "Unsupported function wait");
3052 #if !defined(DOSISH) || defined(OS2)
3060 childpid = wait4pid(childpid, &argflags, optype);
3061 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3065 DIE(no_func, "Unsupported function wait");
3071 dSP; dMARK; dORIGMARK; dTARGET;
3076 Sigsave_t ihand,qhand; /* place to save signals during system() */
3078 if (SP - MARK == 1) {
3080 char *junk = SvPV(TOPs, na);
3082 TAINT_PROPER("system");
3085 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3086 while ((childpid = vfork()) == -1) {
3087 if (errno != EAGAIN) {
3096 rsignal_save(SIGINT, SIG_IGN, &ihand);
3097 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3099 result = wait4pid(childpid, &status, 0);
3100 } while (result == -1 && errno == EINTR);
3101 (void)rsignal_restore(SIGINT, &ihand);
3102 (void)rsignal_restore(SIGQUIT, &qhand);
3103 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3104 do_execfree(); /* free any memory child malloced on vfork */
3106 PUSHi(STATUS_CURRENT);
3109 if (op->op_flags & OPf_STACKED) {
3110 SV *really = *++MARK;
3111 value = (I32)do_aexec(really, MARK, SP);
3113 else if (SP - MARK != 1)
3114 value = (I32)do_aexec(Nullsv, MARK, SP);
3116 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3119 #else /* ! FORK or VMS or OS/2 */
3120 if (op->op_flags & OPf_STACKED) {
3121 SV *really = *++MARK;
3122 value = (I32)do_aspawn(really, MARK, SP);
3124 else if (SP - MARK != 1)
3125 value = (I32)do_aspawn(Nullsv, MARK, SP);
3127 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3129 STATUS_NATIVE_SET(value);
3132 PUSHi(STATUS_CURRENT);
3133 #endif /* !FORK or VMS */
3139 dSP; dMARK; dORIGMARK; dTARGET;
3142 if (op->op_flags & OPf_STACKED) {
3143 SV *really = *++MARK;
3144 value = (I32)do_aexec(really, MARK, SP);
3146 else if (SP - MARK != 1)
3148 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3150 value = (I32)do_aexec(Nullsv, MARK, SP);
3154 char *junk = SvPV(*SP, na);
3156 TAINT_PROPER("exec");
3159 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3161 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3171 dSP; dMARK; dTARGET;
3174 value = (I32)apply(op->op_type, MARK, SP);
3179 DIE(no_func, "Unsupported function kill");
3187 XPUSHi( getppid() );
3190 DIE(no_func, "getppid");
3206 value = (I32)BSD_GETPGRP(pid);
3208 if (pid != 0 && pid != getpid())
3209 DIE("POSIX getpgrp can't take an argument");
3210 value = (I32)getpgrp();
3215 DIE(no_func, "getpgrp()");
3234 TAINT_PROPER("setpgrp");
3236 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3238 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3239 DIE("POSIX setpgrp can't take an argument");
3240 SETi( setpgrp() >= 0 );
3241 #endif /* USE_BSDPGRP */
3244 DIE(no_func, "setpgrp()");
3253 #ifdef HAS_GETPRIORITY
3256 SETi( getpriority(which, who) );
3259 DIE(no_func, "getpriority()");
3269 #ifdef HAS_SETPRIORITY
3273 TAINT_PROPER("setpriority");
3274 SETi( setpriority(which, who, niceval) >= 0 );
3277 DIE(no_func, "setpriority()");
3287 XPUSHn( time(Null(Time_t*)) );
3289 XPUSHi( time(Null(Time_t*)) );
3294 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3295 to HZ. Probably. For now, assume that if the system
3296 defines HZ, it does so correctly. (Will this break
3298 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3299 it's supported. --AD 9/96.
3315 DIE("times not implemented");
3320 (void)times(×buf);
3322 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3323 /* struct tms, though same data */
3327 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3328 if (GIMME == G_ARRAY) {
3329 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3330 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3331 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3334 #endif /* HAS_TIMES */
3339 return pp_gmtime(ARGS);
3347 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3348 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3349 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3355 when = (Time_t)SvNVx(POPs);
3357 when = (Time_t)SvIVx(POPs);
3360 if (op->op_type == OP_LOCALTIME)
3361 tmbuf = localtime(&when);
3363 tmbuf = gmtime(&when);
3367 if (GIMME != G_ARRAY) {
3372 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3373 dayname[tmbuf->tm_wday],
3374 monname[tmbuf->tm_mon],
3379 tmbuf->tm_year + 1900);
3380 PUSHs(sv_2mortal(tsv));
3383 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3384 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3385 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3386 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3387 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3388 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3389 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3390 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3391 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3402 anum = alarm((unsigned int)anum);
3409 DIE(no_func, "Unsupported function alarm");
3420 (void)time(&lasttime);
3425 sleep((unsigned int)duration);
3428 XPUSHi(when - lasttime);
3432 /* Shared memory. */
3436 return pp_semget(ARGS);
3441 return pp_semctl(ARGS);
3446 return pp_shmwrite(ARGS);
3451 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3452 dSP; dMARK; dTARGET;
3453 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3458 return pp_semget(ARGS);
3462 /* Message passing. */
3466 return pp_semget(ARGS);
3471 return pp_semctl(ARGS);
3476 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3477 dSP; dMARK; dTARGET;
3478 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3483 return pp_semget(ARGS);
3489 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3490 dSP; dMARK; dTARGET;
3491 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3496 return pp_semget(ARGS);
3504 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3505 dSP; dMARK; dTARGET;
3506 int anum = do_ipcget(op->op_type, MARK, SP);
3513 DIE("System V IPC is not implemented on this machine");
3519 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3520 dSP; dMARK; dTARGET;
3521 int anum = do_ipcctl(op->op_type, MARK, SP);
3529 PUSHp(zero_but_true, ZBTLEN);
3533 return pp_semget(ARGS);
3539 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3540 dSP; dMARK; dTARGET;
3541 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3546 return pp_semget(ARGS);
3550 /* Get system info. */
3555 return pp_ghostent(ARGS);
3557 DIE(no_sock_func, "gethostbyname");
3564 return pp_ghostent(ARGS);
3566 DIE(no_sock_func, "gethostbyaddr");
3574 I32 which = op->op_type;
3575 register char **elem;
3577 struct hostent *gethostbyname();
3578 struct hostent *gethostbyaddr();
3579 #ifdef HAS_GETHOSTENT
3580 struct hostent *gethostent();
3582 struct hostent *hent;
3586 if (which == OP_GHBYNAME) {
3587 hent = gethostbyname(POPp);
3589 else if (which == OP_GHBYADDR) {
3590 int addrtype = POPi;
3593 char *addr = SvPV(addrsv, addrlen);
3595 hent = gethostbyaddr(addr, addrlen, addrtype);
3598 #ifdef HAS_GETHOSTENT
3599 hent = gethostent();
3601 DIE("gethostent not implemented");
3604 #ifdef HOST_NOT_FOUND
3606 STATUS_NATIVE_SET(h_errno);
3609 if (GIMME != G_ARRAY) {
3610 PUSHs(sv = sv_newmortal());
3612 if (which == OP_GHBYNAME) {
3614 sv_setpvn(sv, hent->h_addr, hent->h_length);
3617 sv_setpv(sv, (char*)hent->h_name);
3623 PUSHs(sv = sv_mortalcopy(&sv_no));
3624 sv_setpv(sv, (char*)hent->h_name);
3625 PUSHs(sv = sv_mortalcopy(&sv_no));
3626 for (elem = hent->h_aliases; elem && *elem; elem++) {
3627 sv_catpv(sv, *elem);
3629 sv_catpvn(sv, " ", 1);
3631 PUSHs(sv = sv_mortalcopy(&sv_no));
3632 sv_setiv(sv, (IV)hent->h_addrtype);
3633 PUSHs(sv = sv_mortalcopy(&sv_no));
3634 len = hent->h_length;
3635 sv_setiv(sv, (IV)len);
3637 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3638 XPUSHs(sv = sv_mortalcopy(&sv_no));
3639 sv_setpvn(sv, *elem, len);
3642 PUSHs(sv = sv_mortalcopy(&sv_no));
3644 sv_setpvn(sv, hent->h_addr, len);
3649 DIE(no_sock_func, "gethostent");
3656 return pp_gnetent(ARGS);
3658 DIE(no_sock_func, "getnetbyname");
3665 return pp_gnetent(ARGS);
3667 DIE(no_sock_func, "getnetbyaddr");
3675 I32 which = op->op_type;
3676 register char **elem;
3678 struct netent *getnetbyname();
3679 struct netent *getnetbyaddr();
3680 struct netent *getnetent();
3681 struct netent *nent;
3683 if (which == OP_GNBYNAME)
3684 nent = getnetbyname(POPp);
3685 else if (which == OP_GNBYADDR) {
3686 int addrtype = POPi;
3687 unsigned long addr = U_L(POPn);
3688 nent = getnetbyaddr((long)addr, addrtype);
3694 if (GIMME != G_ARRAY) {
3695 PUSHs(sv = sv_newmortal());
3697 if (which == OP_GNBYNAME)
3698 sv_setiv(sv, (IV)nent->n_net);
3700 sv_setpv(sv, nent->n_name);
3706 PUSHs(sv = sv_mortalcopy(&sv_no));
3707 sv_setpv(sv, nent->n_name);
3708 PUSHs(sv = sv_mortalcopy(&sv_no));
3709 for (elem = nent->n_aliases; elem && *elem; elem++) {
3710 sv_catpv(sv, *elem);
3712 sv_catpvn(sv, " ", 1);
3714 PUSHs(sv = sv_mortalcopy(&sv_no));
3715 sv_setiv(sv, (IV)nent->n_addrtype);
3716 PUSHs(sv = sv_mortalcopy(&sv_no));
3717 sv_setiv(sv, (IV)nent->n_net);
3722 DIE(no_sock_func, "getnetent");
3729 return pp_gprotoent(ARGS);
3731 DIE(no_sock_func, "getprotobyname");
3738 return pp_gprotoent(ARGS);
3740 DIE(no_sock_func, "getprotobynumber");
3748 I32 which = op->op_type;
3749 register char **elem;
3751 struct protoent *getprotobyname();
3752 struct protoent *getprotobynumber();
3753 struct protoent *getprotoent();
3754 struct protoent *pent;
3756 if (which == OP_GPBYNAME)
3757 pent = getprotobyname(POPp);
3758 else if (which == OP_GPBYNUMBER)
3759 pent = getprotobynumber(POPi);
3761 pent = getprotoent();
3764 if (GIMME != G_ARRAY) {
3765 PUSHs(sv = sv_newmortal());
3767 if (which == OP_GPBYNAME)
3768 sv_setiv(sv, (IV)pent->p_proto);
3770 sv_setpv(sv, pent->p_name);
3776 PUSHs(sv = sv_mortalcopy(&sv_no));
3777 sv_setpv(sv, pent->p_name);
3778 PUSHs(sv = sv_mortalcopy(&sv_no));
3779 for (elem = pent->p_aliases; elem && *elem; elem++) {
3780 sv_catpv(sv, *elem);
3782 sv_catpvn(sv, " ", 1);
3784 PUSHs(sv = sv_mortalcopy(&sv_no));
3785 sv_setiv(sv, (IV)pent->p_proto);
3790 DIE(no_sock_func, "getprotoent");
3797 return pp_gservent(ARGS);
3799 DIE(no_sock_func, "getservbyname");
3806 return pp_gservent(ARGS);
3808 DIE(no_sock_func, "getservbyport");
3816 I32 which = op->op_type;
3817 register char **elem;
3819 struct servent *getservbyname();
3820 struct servent *getservbynumber();
3821 struct servent *getservent();
3822 struct servent *sent;
3824 if (which == OP_GSBYNAME) {
3828 if (proto && !*proto)
3831 sent = getservbyname(name, proto);
3833 else if (which == OP_GSBYPORT) {
3835 unsigned short port = POPu;
3840 sent = getservbyport(port, proto);
3843 sent = getservent();
3846 if (GIMME != G_ARRAY) {
3847 PUSHs(sv = sv_newmortal());
3849 if (which == OP_GSBYNAME) {
3851 sv_setiv(sv, (IV)ntohs(sent->s_port));
3853 sv_setiv(sv, (IV)(sent->s_port));
3857 sv_setpv(sv, sent->s_name);
3863 PUSHs(sv = sv_mortalcopy(&sv_no));
3864 sv_setpv(sv, sent->s_name);
3865 PUSHs(sv = sv_mortalcopy(&sv_no));
3866 for (elem = sent->s_aliases; elem && *elem; elem++) {
3867 sv_catpv(sv, *elem);
3869 sv_catpvn(sv, " ", 1);
3871 PUSHs(sv = sv_mortalcopy(&sv_no));
3873 sv_setiv(sv, (IV)ntohs(sent->s_port));
3875 sv_setiv(sv, (IV)(sent->s_port));
3877 PUSHs(sv = sv_mortalcopy(&sv_no));
3878 sv_setpv(sv, sent->s_proto);
3883 DIE(no_sock_func, "getservent");
3894 DIE(no_sock_func, "sethostent");
3905 DIE(no_sock_func, "setnetent");
3916 DIE(no_sock_func, "setprotoent");
3927 DIE(no_sock_func, "setservent");
3939 DIE(no_sock_func, "endhostent");
3951 DIE(no_sock_func, "endnetent");
3963 DIE(no_sock_func, "endprotoent");
3975 DIE(no_sock_func, "endservent");
3982 return pp_gpwent(ARGS);
3984 DIE(no_func, "getpwnam");
3991 return pp_gpwent(ARGS);
3993 DIE(no_func, "getpwuid");
4001 I32 which = op->op_type;
4003 struct passwd *pwent;
4005 if (which == OP_GPWNAM)
4006 pwent = getpwnam(POPp);
4007 else if (which == OP_GPWUID)
4008 pwent = getpwuid(POPi);
4010 pwent = (struct passwd *)getpwent();
4013 if (GIMME != G_ARRAY) {
4014 PUSHs(sv = sv_newmortal());
4016 if (which == OP_GPWNAM)
4017 sv_setiv(sv, (IV)pwent->pw_uid);
4019 sv_setpv(sv, pwent->pw_name);
4025 PUSHs(sv = sv_mortalcopy(&sv_no));
4026 sv_setpv(sv, pwent->pw_name);
4027 PUSHs(sv = sv_mortalcopy(&sv_no));
4028 sv_setpv(sv, pwent->pw_passwd);
4029 PUSHs(sv = sv_mortalcopy(&sv_no));
4030 sv_setiv(sv, (IV)pwent->pw_uid);
4031 PUSHs(sv = sv_mortalcopy(&sv_no));
4032 sv_setiv(sv, (IV)pwent->pw_gid);
4033 PUSHs(sv = sv_mortalcopy(&sv_no));
4035 sv_setiv(sv, (IV)pwent->pw_change);
4038 sv_setiv(sv, (IV)pwent->pw_quota);
4041 sv_setpv(sv, pwent->pw_age);
4045 PUSHs(sv = sv_mortalcopy(&sv_no));
4047 sv_setpv(sv, pwent->pw_class);
4050 sv_setpv(sv, pwent->pw_comment);
4053 PUSHs(sv = sv_mortalcopy(&sv_no));
4054 sv_setpv(sv, pwent->pw_gecos);
4055 PUSHs(sv = sv_mortalcopy(&sv_no));
4056 sv_setpv(sv, pwent->pw_dir);
4057 PUSHs(sv = sv_mortalcopy(&sv_no));
4058 sv_setpv(sv, pwent->pw_shell);
4060 PUSHs(sv = sv_mortalcopy(&sv_no));
4061 sv_setiv(sv, (IV)pwent->pw_expire);
4066 DIE(no_func, "getpwent");
4073 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4077 DIE(no_func, "setpwent");
4088 DIE(no_func, "endpwent");
4095 return pp_ggrent(ARGS);
4097 DIE(no_func, "getgrnam");
4104 return pp_ggrent(ARGS);
4106 DIE(no_func, "getgrgid");
4114 I32 which = op->op_type;
4115 register char **elem;
4117 struct group *grent;
4119 if (which == OP_GGRNAM)
4120 grent = (struct group *)getgrnam(POPp);
4121 else if (which == OP_GGRGID)
4122 grent = (struct group *)getgrgid(POPi);
4124 grent = (struct group *)getgrent();
4127 if (GIMME != G_ARRAY) {
4128 PUSHs(sv = sv_newmortal());
4130 if (which == OP_GGRNAM)
4131 sv_setiv(sv, (IV)grent->gr_gid);
4133 sv_setpv(sv, grent->gr_name);
4139 PUSHs(sv = sv_mortalcopy(&sv_no));
4140 sv_setpv(sv, grent->gr_name);
4141 PUSHs(sv = sv_mortalcopy(&sv_no));
4142 sv_setpv(sv, grent->gr_passwd);
4143 PUSHs(sv = sv_mortalcopy(&sv_no));
4144 sv_setiv(sv, (IV)grent->gr_gid);
4145 PUSHs(sv = sv_mortalcopy(&sv_no));
4146 for (elem = grent->gr_mem; elem && *elem; elem++) {
4147 sv_catpv(sv, *elem);
4149 sv_catpvn(sv, " ", 1);
4155 DIE(no_func, "getgrent");
4166 DIE(no_func, "setgrent");
4177 DIE(no_func, "endgrent");
4187 if (!(tmps = getlogin()))
4189 PUSHp(tmps, strlen(tmps));
4192 DIE(no_func, "getlogin");
4196 /* Miscellaneous. */
4201 dSP; dMARK; dORIGMARK; dTARGET;
4202 register I32 items = SP - MARK;
4203 unsigned long a[20];
4209 while (++MARK <= SP) {
4210 if (SvTAINTED(*MARK)) {
4216 TAINT_PROPER("syscall");
4219 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4220 * or where sizeof(long) != sizeof(char*). But such machines will
4221 * not likely have syscall implemented either, so who cares?
4223 while (++MARK <= SP) {
4224 if (SvNIOK(*MARK) || !i)
4225 a[i++] = SvIV(*MARK);
4226 else if (*MARK == &sv_undef)
4229 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4235 DIE("Too many args to syscall");
4237 DIE("Too few args to syscall");
4239 retval = syscall(a[0]);
4242 retval = syscall(a[0],a[1]);
4245 retval = syscall(a[0],a[1],a[2]);
4248 retval = syscall(a[0],a[1],a[2],a[3]);
4251 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4254 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4257 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4260 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4264 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4267 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4270 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4274 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4278 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4282 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4283 a[10],a[11],a[12],a[13]);
4285 #endif /* atarist */
4291 DIE(no_func, "syscall");
4295 #ifdef FCNTL_EMULATE_FLOCK
4297 /* XXX Emulate flock() with fcntl().
4298 What's really needed is a good file locking module.
4302 fcntl_emulate_flock(fd, operation)
4308 switch (operation & ~LOCK_NB) {
4310 flock.l_type = F_RDLCK;
4313 flock.l_type = F_WRLCK;
4316 flock.l_type = F_UNLCK;
4322 flock.l_whence = SEEK_SET;
4323 flock.l_start = flock.l_len = 0L;
4325 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4328 #endif /* FCNTL_EMULATE_FLOCK */
4330 #ifdef LOCKF_EMULATE_FLOCK
4332 /* XXX Emulate flock() with lockf(). This is just to increase
4333 portability of scripts. The calls are not completely
4334 interchangeable. What's really needed is a good file
4338 /* The lockf() constants might have been defined in <unistd.h>.
4339 Unfortunately, <unistd.h> causes troubles on some mixed
4340 (BSD/POSIX) systems, such as SunOS 4.1.3.
4342 Further, the lockf() constants aren't POSIX, so they might not be
4343 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4344 just stick in the SVID values and be done with it. Sigh.
4348 # define F_ULOCK 0 /* Unlock a previously locked region */
4351 # define F_LOCK 1 /* Lock a region for exclusive use */
4354 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4357 # define F_TEST 3 /* Test a region for other processes locks */
4361 lockf_emulate_flock (fd, operation)
4366 switch (operation) {
4368 /* LOCK_SH - get a shared lock */
4370 /* LOCK_EX - get an exclusive lock */
4372 i = lockf (fd, F_LOCK, 0);
4375 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4376 case LOCK_SH|LOCK_NB:
4377 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4378 case LOCK_EX|LOCK_NB:
4379 i = lockf (fd, F_TLOCK, 0);
4381 if ((errno == EAGAIN) || (errno == EACCES))
4382 errno = EWOULDBLOCK;
4385 /* LOCK_UN - unlock (non-blocking is a no-op) */
4387 case LOCK_UN|LOCK_NB:
4388 i = lockf (fd, F_ULOCK, 0);
4391 /* Default - can't decipher operation */
4400 #endif /* LOCKF_EMULATE_FLOCK */