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)
227 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
228 last_in_gv = (GV*)*stack_sp--;
230 SAVESPTR(rs); /* This is not permanent, either. */
231 rs = sv_2mortal(newSVpv("", 1));
238 result = do_readline();
245 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
246 return do_readline();
251 last_in_gv = cGVOP->op_gv;
252 return do_readline();
259 if (SP - MARK != 1) {
261 do_join(TARG, &sv_no, MARK, SP);
262 tmps = SvPV(TARG, na);
266 tmps = SvPV(TOPs, na);
268 if (!tmps || !*tmps) {
269 SV *error = GvSV(errgv);
270 (void)SvUPGRADE(error, SVt_PV);
271 if (SvPOK(error) && SvCUR(error))
272 sv_catpv(error, "\t...caught");
273 tmps = SvPV(error, na);
276 tmps = "Warning: something's wrong";
285 if (SP - MARK != 1) {
287 do_join(TARG, &sv_no, MARK, SP);
288 tmps = SvPV(TARG, na);
292 tmps = SvPV(TOPs, na);
294 if (!tmps || !*tmps) {
295 SV *error = GvSV(errgv);
296 (void)SvUPGRADE(error, SVt_PV);
297 if (SvPOK(error) && SvCUR(error))
298 sv_catpv(error, "\t...propagated");
299 tmps = SvPV(error, na);
319 DIE(no_usym, "filehandle");
324 DIE(no_usym, "filehandle");
326 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
327 tmps = SvPV(sv, len);
328 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
329 PUSHi( (I32)forkprocess );
330 else if (forkprocess == 0) /* we are a new child */
347 PUSHs(boolSV(do_close(gv, TRUE)));
367 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
368 DIE(no_usym, "filehandle");
373 do_close(rgv, FALSE);
375 do_close(wgv, FALSE);
380 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
381 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
382 IoIFP(wstio) = IoOFP(wstio);
386 if (!IoIFP(rstio) || !IoOFP(wstio)) {
387 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
389 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
399 DIE(no_func, "pipe");
412 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
414 PUSHi(PerlIO_fileno(fp));
430 TAINT_PROPER("umask");
433 DIE(no_func, "Unsupported function umask");
451 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
456 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
461 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1)
467 #if defined(USEMYBINMODE)
468 if (my_binmode(fp,IoTYPE(io)) != NULL)
487 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
488 I32 markoff = mark - stack_base - 1;
490 bool oldcatch = CATCH_GET;
493 if (SvTYPE(varsv) == SVt_PVHV)
494 methname = "TIEHASH";
495 else if (SvTYPE(varsv) == SVt_PVAV)
496 methname = "TIEARRAY";
497 else if (SvTYPE(varsv) == SVt_PVGV)
498 methname = "TIEHANDLE";
500 methname = "TIESCALAR";
502 stash = gv_stashsv(mark[1], FALSE);
503 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
504 DIE("Can't locate object method \"%s\" via package \"%s\"",
505 methname, SvPV(mark[1],na));
507 Zero(&myop, 1, BINOP);
508 myop.op_last = (OP *) &myop;
509 myop.op_next = Nullop;
510 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
516 if (perldb && curstash != debstash)
517 op->op_private |= OPpENTERSUB_DB;
519 XPUSHs((SV*)GvCV(gv));
522 if (op = pp_entersub())
528 if (sv_isobject(sv)) {
529 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
530 sv_unmagic(varsv, 'P');
531 sv_magic(varsv, sv, 'P', Nullch, 0);
534 sv_unmagic(varsv, 'q');
535 sv_magic(varsv, sv, 'q', Nullch, 0);
539 SP = stack_base + markoff;
554 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
555 mg = mg_find(sv, 'P') ;
557 mg = mg_find(sv, 'q') ;
559 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
560 warn("untie attempted while %lu inner references still exist",
561 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
565 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
580 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
581 mg = mg_find(sv, 'P') ;
583 mg = mg_find(sv, 'q') ;
586 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
603 bool oldcatch = CATCH_GET;
607 sv = sv_mortalcopy(&sv_no);
608 sv_setpv(sv, "AnyDBM_File");
609 stash = gv_stashsv(sv, FALSE);
610 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
612 perl_require_pv("AnyDBM_File.pm");
614 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
615 DIE("No dbm on this machine");
618 Zero(&myop, 1, BINOP);
619 myop.op_last = (OP *) &myop;
620 myop.op_next = Nullop;
621 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
627 if (perldb && curstash != debstash)
628 op->op_private |= OPpENTERSUB_DB;
636 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
638 PUSHs(sv_2mortal(newSViv(O_RDWR)));
640 PUSHs((SV*)GvCV(gv));
643 if (op = pp_entersub())
647 if (!sv_isobject(TOPs)) {
655 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
657 PUSHs((SV*)GvCV(gv));
660 if (op = pp_entersub())
666 if (sv_isobject(TOPs))
667 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
674 return pp_untie(ARGS);
688 struct timeval timebuf;
689 struct timeval *tbuf = &timebuf;
692 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
697 # if BYTEORDER & 0xf0000
698 # define ORDERBYTE (0x88888888 - BYTEORDER)
700 # define ORDERBYTE (0x4444 - BYTEORDER)
706 for (i = 1; i <= 3; i++) {
714 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
715 #if defined(__linux__) || defined(OS2)
716 growsize = sizeof(fd_set);
718 growsize = maxlen; /* little endians can use vecs directly */
727 masksize = NFDBITS / NBBY;
729 masksize = sizeof(long); /* documented int, everyone seems to use long */
731 growsize = maxlen + (masksize - (maxlen % masksize));
732 Zero(&fd_sets[0], 4, char*);
740 timebuf.tv_sec = (long)value;
741 value -= (double)timebuf.tv_sec;
742 timebuf.tv_usec = (long)(value * 1000000.0);
745 tbuf = Null(struct timeval*);
747 for (i = 1; i <= 3; i++) {
754 SvPV_force(sv,na); /* force string conversion */
757 Sv_Grow(sv, growsize);
761 while (++j <= growsize) {
765 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
767 New(403, fd_sets[i], growsize, char);
768 for (offset = 0; offset < growsize; offset += masksize) {
769 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
770 fd_sets[i][j+offset] = s[(k % masksize) + offset];
773 fd_sets[i] = SvPVX(sv);
779 (Select_fd_set_t) fd_sets[1],
780 (Select_fd_set_t) fd_sets[2],
781 (Select_fd_set_t) fd_sets[3],
783 for (i = 1; i <= 3; i++) {
786 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
788 for (offset = 0; offset < growsize; offset += masksize) {
789 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
790 s[(k % masksize) + offset] = fd_sets[i][j+offset];
792 Safefree(fd_sets[i]);
799 if (GIMME == G_ARRAY && tbuf) {
800 value = (double)(timebuf.tv_sec) +
801 (double)(timebuf.tv_usec) / 1000000.0;
802 PUSHs(sv = sv_mortalcopy(&sv_no));
807 DIE("select not implemented");
816 (void)SvREFCNT_inc(gv);
818 SvREFCNT_dec(defoutgv);
828 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
830 egv = GvEGV(defoutgv);
837 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
838 if (gvp && *gvp == egv) {
839 gv_efullname3(TARG, defoutgv, Nullch);
843 XPUSHs(sv_2mortal(newRV((SV*)egv)));
848 if (!GvIO(newdefout))
850 setdefout(newdefout);
869 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
875 perl_call_method("GETC", gimme);
878 if (gimme == G_SCALAR)
879 SvSetMagicSV_nosteal(TARG, TOPs);
882 if (!gv || do_eof(gv)) /* make sure we have fp with something */
886 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
893 return pp_sysread(ARGS);
902 register CONTEXT *cx;
904 AV* padlist = CvPADLIST(cv);
905 SV** svp = AvARRAY(padlist);
911 PUSHBLOCK(cx, CXt_SUB, stack_sp);
914 curpad = AvARRAY((AV*)svp[1]);
916 setdefout(gv); /* locally select filehandle so $% et al work */
948 SV *tmpsv = sv_newmortal();
949 gv_efullname3(tmpsv, fgv, Nullch);
950 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
952 DIE("Not a format reference");
955 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
957 IoFLAGS(io) &= ~IOf_DIDTOP;
958 return doform(cv,gv,op->op_next);
964 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
965 register IO *io = GvIOp(gv);
966 PerlIO *ofp = IoOFP(io);
970 register CONTEXT *cx;
972 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
973 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
974 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
975 formtarget != toptarget)
983 if (!IoTOP_NAME(io)) {
985 IoFMT_NAME(io) = savepv(GvNAME(gv));
986 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
987 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
988 if ((topgv && GvFORM(topgv)) ||
989 !gv_fetchpv("top",FALSE,SVt_PVFM))
990 IoTOP_NAME(io) = savepv(SvPVX(topname));
992 IoTOP_NAME(io) = savepv("top");
994 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
995 if (!topgv || !GvFORM(topgv)) {
996 IoLINES_LEFT(io) = 100000000;
999 IoTOP_GV(io) = topgv;
1001 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1002 I32 lines = IoLINES_LEFT(io);
1003 char *s = SvPVX(formtarget);
1004 if (lines <= 0) /* Yow, header didn't even fit!!! */
1006 while (lines-- > 0) {
1007 s = strchr(s, '\n');
1013 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1014 sv_chop(formtarget, s);
1015 FmLINES(formtarget) -= IoLINES_LEFT(io);
1018 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1019 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1020 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1022 formtarget = toptarget;
1023 IoFLAGS(io) |= IOf_DIDTOP;
1026 DIE("bad top format reference");
1029 SV *tmpsv = sv_newmortal();
1030 gv_efullname3(tmpsv, fgv, Nullch);
1031 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1034 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1035 return doform(cv,gv,op);
1047 warn("Filehandle only opened for input");
1049 warn("Write on closed filehandle");
1054 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1056 warn("page overflow");
1058 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1062 FmLINES(formtarget) = 0;
1063 SvCUR_set(formtarget, 0);
1064 *SvEND(formtarget) = '\0';
1065 if (IoFLAGS(io) & IOf_FLUSH)
1066 (void)PerlIO_flush(fp);
1070 formtarget = bodytarget;
1072 return pop_return();
1077 dSP; dMARK; dORIGMARK;
1084 if (op->op_flags & OPf_STACKED)
1089 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1090 if (MARK == ORIGMARK) {
1093 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1100 perl_call_method("PRINTF", G_SCALAR);
1103 MARK = ORIGMARK + 1;
1110 if (!(io = GvIO(gv))) {
1112 gv_fullname3(sv, gv, Nullch);
1113 warn("Filehandle %s never opened", SvPV(sv,na));
1115 SETERRNO(EBADF,RMS$_IFI);
1118 else if (!(fp = IoOFP(io))) {
1120 gv_fullname3(sv, gv, Nullch);
1122 warn("Filehandle %s opened only for input", SvPV(sv,na));
1124 warn("printf on closed filehandle %s", SvPV(sv,na));
1126 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1130 #ifdef USE_LOCALE_NUMERIC
1131 if (op->op_private & OPpLOCALE)
1132 SET_NUMERIC_LOCAL();
1134 SET_NUMERIC_STANDARD();
1136 do_sprintf(sv, SP - MARK, MARK + 1);
1137 if (!do_print(sv, fp))
1140 if (IoFLAGS(io) & IOf_FLUSH)
1141 if (PerlIO_flush(fp) == EOF)
1173 tmps = SvPV(sv, len);
1174 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1175 IoLINES(GvIOp(gv)) = 0;
1186 dSP; dMARK; dORIGMARK; dTARGET;
1192 Sock_size_t bufsize;
1198 if (op->op_type == OP_READ &&
1199 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1206 perl_call_method("READ", G_SCALAR);
1219 sv_setpvn(bufsv, "", 0);
1220 buffer = SvPV_force(bufsv, blen);
1221 length = SvIVx(*++MARK);
1223 DIE("Negative length");
1226 offset = SvIVx(*++MARK);
1230 if (!io || !IoIFP(io))
1233 if (op->op_type == OP_RECV) {
1234 char namebuf[MAXPATHLEN];
1235 bufsize = sizeof namebuf;
1236 buffer = SvGROW(bufsv, length+1);
1237 /* 'offset' means 'flags' here */
1238 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1239 (struct sockaddr *)namebuf, &bufsize);
1242 SvCUR_set(bufsv, length);
1243 *SvEND(bufsv) = '\0';
1244 (void)SvPOK_only(bufsv);
1246 /* This should not be marked tainted if the fp is marked clean */
1247 if (!(IoFLAGS(io) & IOf_UNTAINT))
1248 SvTAINTED_on(bufsv);
1250 sv_setpvn(TARG, namebuf, bufsize);
1255 if (op->op_type == OP_RECV)
1256 DIE(no_sock_func, "recv");
1260 DIE("Offset outside string");
1263 bufsize = SvCUR(bufsv);
1264 buffer = SvGROW(bufsv, length+offset+1);
1265 if (offset > bufsize) { /* Zero any newly allocated space */
1266 Zero(buffer+bufsize, offset-bufsize, char);
1268 if (op->op_type == OP_SYSREAD) {
1269 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1272 #ifdef HAS_SOCKET__bad_code_maybe
1273 if (IoTYPE(io) == 's') {
1274 char namebuf[MAXPATHLEN];
1275 bufsize = sizeof namebuf;
1276 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1277 (struct sockaddr *)namebuf, &bufsize);
1281 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1284 SvCUR_set(bufsv, length+offset);
1285 *SvEND(bufsv) = '\0';
1286 (void)SvPOK_only(bufsv);
1288 /* This should not be marked tainted if the fp is marked clean */
1289 if (!(IoFLAGS(io) & IOf_UNTAINT))
1290 SvTAINTED_on(bufsv);
1302 return pp_send(ARGS);
1307 dSP; dMARK; dORIGMARK; dTARGET;
1320 buffer = SvPV(bufsv, blen);
1321 length = SvIVx(*++MARK);
1323 DIE("Negative length");
1326 if (!io || !IoIFP(io)) {
1329 if (op->op_type == OP_SYSWRITE)
1330 warn("Syswrite on closed filehandle");
1332 warn("Send on closed socket");
1335 else if (op->op_type == OP_SYSWRITE) {
1337 offset = SvIVx(*++MARK);
1340 DIE("Offset outside string");
1342 } else if (offset >= blen)
1343 DIE("Offset outside string");
1346 if (length > blen - offset)
1347 length = blen - offset;
1348 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1351 else if (SP > MARK) {
1354 sockbuf = SvPVx(*++MARK, mlen);
1355 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1356 (struct sockaddr *)sockbuf, mlen);
1359 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1362 DIE(no_sock_func, "send");
1377 return pp_sysread(ARGS);
1388 gv = last_in_gv = (GV*)POPs;
1389 PUSHs(boolSV(!gv || do_eof(gv)));
1401 gv = last_in_gv = (GV*)POPs;
1402 PUSHi( do_tell(gv) );
1408 return pp_sysseek(ARGS);
1418 gv = last_in_gv = (GV*)POPs;
1419 if (op->op_type == OP_SEEK)
1420 PUSHs(boolSV(do_seek(gv, offset, whence)));
1422 long n = do_sysseek(gv, offset, whence);
1423 PUSHs((n < 0) ? &sv_undef
1424 : sv_2mortal(n ? newSViv((IV)n)
1425 : newSVpv(zero_but_true, ZBTLEN)));
1433 Off_t len = (Off_t)POPn;
1438 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1439 if (op->op_flags & OPf_SPECIAL) {
1440 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1442 TAINT_PROPER("truncate");
1443 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1445 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1447 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1455 if (SvTYPE(sv) == SVt_PVGV) {
1456 tmpgv = (GV*)sv; /* *main::FRED for example */
1459 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1460 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1464 name = SvPV(sv, na);
1465 TAINT_PROPER("truncate");
1467 if (truncate(name, len) < 0)
1472 if ((tmpfd = open(name, O_RDWR)) < 0)
1475 if (my_chsize(tmpfd, len) < 0)
1486 SETERRNO(EBADF,RMS$_IFI);
1489 DIE("truncate not implemented");
1495 return pp_ioctl(ARGS);
1502 unsigned int func = U_I(POPn);
1503 int optype = op->op_type;
1509 if (!io || !argsv || !IoIFP(io)) {
1510 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1514 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1517 s = SvPV_force(argsv, len);
1518 need = IOCPARM_LEN(func);
1520 s = Sv_Grow(argsv, need + 1);
1521 SvCUR_set(argsv, need);
1524 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1527 retval = SvIV(argsv);
1528 s = (char*)retval; /* ouch */
1531 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1533 if (optype == OP_IOCTL)
1535 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1537 DIE("ioctl is not implemented");
1541 #if defined(OS2) && defined(__EMX__)
1542 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1544 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1547 DIE("fcntl is not implemented");
1551 if (s[SvCUR(argsv)] != 17)
1552 DIE("Possible memory corruption: %s overflowed 3rd argument",
1554 s[SvCUR(argsv)] = 0; /* put our null back */
1555 SvSETMAGIC(argsv); /* Assume it has changed */
1564 PUSHp(zero_but_true, ZBTLEN);
1584 fp = IoIFP(GvIOp(gv));
1588 (void)PerlIO_flush(fp);
1589 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1596 DIE(no_func, "flock()");
1608 int protocol = POPi;
1616 SETERRNO(EBADF,LIB$_INVARG);
1622 do_close(gv, FALSE);
1624 TAINT_PROPER("socket");
1625 fd = socket(domain, type, protocol);
1628 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1629 IoOFP(io) = PerlIO_fdopen(fd, "w");
1631 if (!IoIFP(io) || !IoOFP(io)) {
1632 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1633 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1634 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1640 DIE(no_sock_func, "socket");
1647 #ifdef HAS_SOCKETPAIR
1652 int protocol = POPi;
1665 do_close(gv1, FALSE);
1667 do_close(gv2, FALSE);
1669 TAINT_PROPER("socketpair");
1670 if (socketpair(domain, type, protocol, fd) < 0)
1672 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1673 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1675 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1676 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1678 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1679 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1680 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1681 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1682 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1683 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1684 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1690 DIE(no_sock_func, "socketpair");
1701 register IO *io = GvIOn(gv);
1704 if (!io || !IoIFP(io))
1707 addr = SvPV(addrsv, len);
1708 TAINT_PROPER("bind");
1709 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1716 warn("bind() on closed fd");
1717 SETERRNO(EBADF,SS$_IVCHAN);
1720 DIE(no_sock_func, "bind");
1731 register IO *io = GvIOn(gv);
1734 if (!io || !IoIFP(io))
1737 addr = SvPV(addrsv, len);
1738 TAINT_PROPER("connect");
1739 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1746 warn("connect() on closed fd");
1747 SETERRNO(EBADF,SS$_IVCHAN);
1750 DIE(no_sock_func, "connect");
1760 register IO *io = GvIOn(gv);
1762 if (!io || !IoIFP(io))
1765 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1772 warn("listen() on closed fd");
1773 SETERRNO(EBADF,SS$_IVCHAN);
1776 DIE(no_sock_func, "listen");
1788 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1789 Sock_size_t len = sizeof saddr;
1801 if (!gstio || !IoIFP(gstio))
1806 do_close(ngv, FALSE);
1808 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1811 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1812 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1813 IoTYPE(nstio) = 's';
1814 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1815 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1816 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1817 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1821 PUSHp((char *)&saddr, len);
1826 warn("accept() on closed fd");
1827 SETERRNO(EBADF,SS$_IVCHAN);
1833 DIE(no_sock_func, "accept");
1843 register IO *io = GvIOn(gv);
1845 if (!io || !IoIFP(io))
1848 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1853 warn("shutdown() on closed fd");
1854 SETERRNO(EBADF,SS$_IVCHAN);
1857 DIE(no_sock_func, "shutdown");
1864 return pp_ssockopt(ARGS);
1866 DIE(no_sock_func, "getsockopt");
1874 int optype = op->op_type;
1877 unsigned int optname;
1883 if (optype == OP_GSOCKOPT)
1884 sv = sv_2mortal(NEWSV(22, 257));
1887 optname = (unsigned int) POPi;
1888 lvl = (unsigned int) POPi;
1892 if (!io || !IoIFP(io))
1895 fd = PerlIO_fileno(IoIFP(io));
1899 (void)SvPOK_only(sv);
1903 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1916 else if (SvOK(sv)) {
1917 aint = (int)SvIV(sv);
1921 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1931 warn("[gs]etsockopt() on closed fd");
1932 SETERRNO(EBADF,SS$_IVCHAN);
1937 DIE(no_sock_func, "setsockopt");
1944 return pp_getpeername(ARGS);
1946 DIE(no_sock_func, "getsockname");
1954 int optype = op->op_type;
1958 register IO *io = GvIOn(gv);
1961 if (!io || !IoIFP(io))
1964 sv = sv_2mortal(NEWSV(22, 257));
1965 (void)SvPOK_only(sv);
1969 fd = PerlIO_fileno(IoIFP(io));
1971 case OP_GETSOCKNAME:
1972 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1975 case OP_GETPEERNAME:
1976 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1980 #ifdef BOGUS_GETNAME_RETURN
1981 /* Interactive Unix, getpeername() and getsockname()
1982 does not return valid namelen */
1983 if (len == BOGUS_GETNAME_RETURN)
1984 len = sizeof(struct sockaddr);
1993 warn("get{sock, peer}name() on closed fd");
1994 SETERRNO(EBADF,SS$_IVCHAN);
1999 DIE(no_sock_func, "getpeername");
2007 return pp_stat(ARGS);
2017 if (op->op_flags & OPf_REF) {
2018 tmpgv = cGVOP->op_gv;
2020 if (tmpgv != defgv) {
2021 laststype = OP_STAT;
2023 sv_setpv(statname, "");
2024 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2025 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2027 if (laststatval < 0)
2032 if (SvTYPE(sv) == SVt_PVGV) {
2036 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2037 tmpgv = (GV*)SvRV(sv);
2040 sv_setpv(statname, SvPV(sv,na));
2043 laststype = op->op_type;
2044 if (op->op_type == OP_LSTAT)
2045 laststatval = lstat(SvPV(statname, na), &statcache);
2048 laststatval = Stat(SvPV(statname, na), &statcache);
2049 if (laststatval < 0) {
2050 if (dowarn && strchr(SvPV(statname, na), '\n'))
2051 warn(warn_nl, "stat");
2057 if (gimme != G_ARRAY) {
2058 if (gimme != G_VOID)
2059 XPUSHs(boolSV(max));
2065 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2066 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2067 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2068 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2069 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2070 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2071 #ifdef USE_STAT_RDEV
2072 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2074 PUSHs(sv_2mortal(newSVpv("", 0)));
2076 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2078 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2079 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2080 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2082 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2083 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2084 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2086 #ifdef USE_STAT_BLOCKS
2087 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2088 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2090 PUSHs(sv_2mortal(newSVpv("", 0)));
2091 PUSHs(sv_2mortal(newSVpv("", 0)));
2099 I32 result = my_stat(ARGS);
2103 if (cando(S_IRUSR, 0, &statcache))
2110 I32 result = my_stat(ARGS);
2114 if (cando(S_IWUSR, 0, &statcache))
2121 I32 result = my_stat(ARGS);
2125 if (cando(S_IXUSR, 0, &statcache))
2132 I32 result = my_stat(ARGS);
2136 if (cando(S_IRUSR, 1, &statcache))
2143 I32 result = my_stat(ARGS);
2147 if (cando(S_IWUSR, 1, &statcache))
2154 I32 result = my_stat(ARGS);
2158 if (cando(S_IXUSR, 1, &statcache))
2165 I32 result = my_stat(ARGS);
2174 return pp_ftrowned(ARGS);
2179 I32 result = my_stat(ARGS);
2183 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2190 I32 result = my_stat(ARGS);
2194 if (!statcache.st_size)
2201 I32 result = my_stat(ARGS);
2205 PUSHi(statcache.st_size);
2211 I32 result = my_stat(ARGS);
2215 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2221 I32 result = my_stat(ARGS);
2225 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2231 I32 result = my_stat(ARGS);
2235 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2241 I32 result = my_stat(ARGS);
2245 if (S_ISSOCK(statcache.st_mode))
2252 I32 result = my_stat(ARGS);
2256 if (S_ISCHR(statcache.st_mode))
2263 I32 result = my_stat(ARGS);
2267 if (S_ISBLK(statcache.st_mode))
2274 I32 result = my_stat(ARGS);
2278 if (S_ISREG(statcache.st_mode))
2285 I32 result = my_stat(ARGS);
2289 if (S_ISDIR(statcache.st_mode))
2296 I32 result = my_stat(ARGS);
2300 if (S_ISFIFO(statcache.st_mode))
2307 I32 result = my_lstat(ARGS);
2311 if (S_ISLNK(statcache.st_mode))
2320 I32 result = my_stat(ARGS);
2324 if (statcache.st_mode & S_ISUID)
2334 I32 result = my_stat(ARGS);
2338 if (statcache.st_mode & S_ISGID)
2348 I32 result = my_stat(ARGS);
2352 if (statcache.st_mode & S_ISVTX)
2364 if (op->op_flags & OPf_REF) {
2369 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2370 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2371 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2372 else if (isDIGIT(*tmps))
2381 #if defined(atarist) /* this will work with atariST. Configure will
2382 make guesses for other systems. */
2383 # define FILE_base(f) ((f)->_base)
2384 # define FILE_ptr(f) ((f)->_ptr)
2385 # define FILE_cnt(f) ((f)->_cnt)
2386 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2396 register STDCHAR *s;
2401 if (op->op_flags & OPf_REF)
2403 else if (isGV(TOPs))
2405 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2406 gv = (GV*)SvRV(POPs);
2417 goto really_filename;
2423 sv_setpv(statname, "");
2426 if (io && IoIFP(io)) {
2427 if (! PerlIO_has_base(IoIFP(io)))
2428 DIE("-T and -B not implemented on filehandles");
2429 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2430 if (laststatval < 0)
2432 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2433 if (op->op_type == OP_FTTEXT)
2437 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2438 i = PerlIO_getc(IoIFP(io));
2440 (void)PerlIO_ungetc(IoIFP(io),i);
2442 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2444 len = PerlIO_get_bufsiz(IoIFP(io));
2445 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2446 /* sfio can have large buffers - limit to 512 */
2452 warn("Test on unopened file <%s>",
2453 GvENAME(cGVOP->op_gv));
2454 SETERRNO(EBADF,RMS$_IFI);
2463 sv_setpv(statname, SvPV(sv, na));
2465 i = open(SvPV(sv, na), O_RDONLY, 0);
2467 i = open(SvPV(sv, na), 0);
2470 if (dowarn && strchr(SvPV(sv, na), '\n'))
2471 warn(warn_nl, "open");
2474 laststatval = Fstat(i, &statcache);
2475 if (laststatval < 0)
2477 len = read(i, tbuf, 512);
2480 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2481 RETPUSHNO; /* special case NFS directories */
2482 RETPUSHYES; /* null file is anything */
2487 /* now scan s to look for textiness */
2488 /* XXX ASCII dependent code */
2490 for (i = 0; i < len; i++, s++) {
2491 if (!*s) { /* null never allowed in text */
2498 *s != '\n' && *s != '\r' && *s != '\b' &&
2499 *s != '\t' && *s != '\f' && *s != 27)
2503 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2511 return pp_fttext(ARGS);
2526 if (!tmps || !*tmps) {
2527 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2529 tmps = SvPV(*svp, na);
2531 if (!tmps || !*tmps) {
2532 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2534 tmps = SvPV(*svp, na);
2536 TAINT_PROPER("chdir");
2537 PUSHi( chdir(tmps) >= 0 );
2539 /* Clear the DEFAULT element of ENV so we'll get the new value
2541 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2548 dSP; dMARK; dTARGET;
2551 value = (I32)apply(op->op_type, MARK, SP);
2556 DIE(no_func, "Unsupported function chown");
2566 TAINT_PROPER("chroot");
2567 PUSHi( chroot(tmps) >= 0 );
2570 DIE(no_func, "chroot");
2576 dSP; dMARK; dTARGET;
2578 value = (I32)apply(op->op_type, MARK, SP);
2586 dSP; dMARK; dTARGET;
2588 value = (I32)apply(op->op_type, MARK, SP);
2596 dSP; dMARK; dTARGET;
2598 value = (I32)apply(op->op_type, MARK, SP);
2610 char *tmps = SvPV(TOPs, na);
2611 TAINT_PROPER("rename");
2613 anum = rename(tmps, tmps2);
2615 if (!(anum = Stat(tmps, &statbuf))) {
2616 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2619 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2620 (void)UNLINK(tmps2);
2621 if (!(anum = link(tmps, tmps2)))
2622 anum = UNLINK(tmps);
2635 char *tmps = SvPV(TOPs, na);
2636 TAINT_PROPER("link");
2637 SETi( link(tmps, tmps2) >= 0 );
2639 DIE(no_func, "Unsupported function link");
2649 char *tmps = SvPV(TOPs, na);
2650 TAINT_PROPER("symlink");
2651 SETi( symlink(tmps, tmps2) >= 0 );
2654 DIE(no_func, "symlink");
2663 char buf[MAXPATHLEN];
2667 len = readlink(tmps, buf, sizeof buf);
2675 RETSETUNDEF; /* just pretend it's a normal file */
2679 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2681 dooneliner(cmd, filename)
2685 char *save_filename = filename;
2691 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2692 strcpy(cmdline, cmd);
2693 strcat(cmdline, " ");
2694 for (s = cmdline + strlen(cmdline); *filename; ) {
2699 myfp = my_popen(cmdline, "r");
2703 SV *tmpsv = sv_newmortal();
2704 /* Need to save/restore 'rs' ?? */
2705 s = sv_gets(tmpsv, myfp, 0);
2706 (void)my_pclose(myfp);
2710 #ifdef HAS_SYS_ERRLIST
2715 /* you don't see this */
2717 #ifdef HAS_SYS_ERRLIST
2725 if (instr(s, errmsg)) {
2732 #define EACCES EPERM
2734 if (instr(s, "cannot make"))
2735 SETERRNO(EEXIST,RMS$_FEX);
2736 else if (instr(s, "existing file"))
2737 SETERRNO(EEXIST,RMS$_FEX);
2738 else if (instr(s, "ile exists"))
2739 SETERRNO(EEXIST,RMS$_FEX);
2740 else if (instr(s, "non-exist"))
2741 SETERRNO(ENOENT,RMS$_FNF);
2742 else if (instr(s, "does not exist"))
2743 SETERRNO(ENOENT,RMS$_FNF);
2744 else if (instr(s, "not empty"))
2745 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2746 else if (instr(s, "cannot access"))
2747 SETERRNO(EACCES,RMS$_PRV);
2749 SETERRNO(EPERM,RMS$_PRV);
2752 else { /* some mkdirs return no failure indication */
2753 anum = (Stat(save_filename, &statbuf) >= 0);
2754 if (op->op_type == OP_RMDIR)
2759 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2775 char *tmps = SvPV(TOPs, na);
2777 TAINT_PROPER("mkdir");
2779 SETi( Mkdir(tmps, mode) >= 0 );
2781 SETi( dooneliner("mkdir", tmps) );
2782 oldumask = umask(0);
2784 chmod(tmps, (mode & ~oldumask) & 0777);
2795 TAINT_PROPER("rmdir");
2797 XPUSHi( rmdir(tmps) >= 0 );
2799 XPUSHi( dooneliner("rmdir", tmps) );
2804 /* Directory calls. */
2809 #if defined(Direntry_t) && defined(HAS_READDIR)
2810 char *dirname = POPp;
2812 register IO *io = GvIOn(gv);
2818 closedir(IoDIRP(io));
2819 if (!(IoDIRP(io) = opendir(dirname)))
2825 SETERRNO(EBADF,RMS$_DIR);
2828 DIE(no_dir_func, "opendir");
2835 #if defined(Direntry_t) && defined(HAS_READDIR)
2837 Direntry_t *readdir _((DIR *));
2839 register Direntry_t *dp;
2841 register IO *io = GvIOn(gv);
2843 if (!io || !IoDIRP(io))
2846 if (GIMME == G_ARRAY) {
2848 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2850 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2852 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2857 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2860 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2862 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2869 SETERRNO(EBADF,RMS$_ISI);
2870 if (GIMME == G_ARRAY)
2875 DIE(no_dir_func, "readdir");
2882 #if defined(HAS_TELLDIR) || defined(telldir)
2883 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2884 long telldir _((DIR *));
2887 register IO *io = GvIOn(gv);
2889 if (!io || !IoDIRP(io))
2892 PUSHi( telldir(IoDIRP(io)) );
2896 SETERRNO(EBADF,RMS$_ISI);
2899 DIE(no_dir_func, "telldir");
2906 #if defined(HAS_SEEKDIR) || defined(seekdir)
2909 register IO *io = GvIOn(gv);
2911 if (!io || !IoDIRP(io))
2914 (void)seekdir(IoDIRP(io), along);
2919 SETERRNO(EBADF,RMS$_ISI);
2922 DIE(no_dir_func, "seekdir");
2929 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2931 register IO *io = GvIOn(gv);
2933 if (!io || !IoDIRP(io))
2936 (void)rewinddir(IoDIRP(io));
2940 SETERRNO(EBADF,RMS$_ISI);
2943 DIE(no_dir_func, "rewinddir");
2950 #if defined(Direntry_t) && defined(HAS_READDIR)
2952 register IO *io = GvIOn(gv);
2954 if (!io || !IoDIRP(io))
2957 #ifdef VOID_CLOSEDIR
2958 closedir(IoDIRP(io));
2960 if (closedir(IoDIRP(io)) < 0) {
2961 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2970 SETERRNO(EBADF,RMS$_IFI);
2973 DIE(no_dir_func, "closedir");
2977 /* Process control. */
2992 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
2993 sv_setiv(GvSV(tmpgv), (IV)getpid());
2994 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
2999 DIE(no_func, "Unsupported function fork");
3005 #if !defined(DOSISH) || defined(OS2)
3010 childpid = wait4pid(-1, &argflags, 0);
3011 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3015 DIE(no_func, "Unsupported function wait");
3021 #if !defined(DOSISH) || defined(OS2)
3029 childpid = wait4pid(childpid, &argflags, optype);
3030 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3034 DIE(no_func, "Unsupported function wait");
3040 dSP; dMARK; dORIGMARK; dTARGET;
3045 Sigsave_t ihand,qhand; /* place to save signals during system() */
3047 if (SP - MARK == 1) {
3049 char *junk = SvPV(TOPs, na);
3051 TAINT_PROPER("system");
3054 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3055 while ((childpid = vfork()) == -1) {
3056 if (errno != EAGAIN) {
3065 rsignal_save(SIGINT, SIG_IGN, &ihand);
3066 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3068 result = wait4pid(childpid, &status, 0);
3069 } while (result == -1 && errno == EINTR);
3070 (void)rsignal_restore(SIGINT, &ihand);
3071 (void)rsignal_restore(SIGQUIT, &qhand);
3072 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3073 do_execfree(); /* free any memory child malloced on vfork */
3075 PUSHi(STATUS_CURRENT);
3078 if (op->op_flags & OPf_STACKED) {
3079 SV *really = *++MARK;
3080 value = (I32)do_aexec(really, MARK, SP);
3082 else if (SP - MARK != 1)
3083 value = (I32)do_aexec(Nullsv, MARK, SP);
3085 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3088 #else /* ! FORK or VMS or OS/2 */
3089 if (op->op_flags & OPf_STACKED) {
3090 SV *really = *++MARK;
3091 value = (I32)do_aspawn(really, MARK, SP);
3093 else if (SP - MARK != 1)
3094 value = (I32)do_aspawn(Nullsv, MARK, SP);
3096 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3098 STATUS_NATIVE_SET(value);
3101 PUSHi(STATUS_CURRENT);
3102 #endif /* !FORK or VMS */
3108 dSP; dMARK; dORIGMARK; dTARGET;
3111 if (op->op_flags & OPf_STACKED) {
3112 SV *really = *++MARK;
3113 value = (I32)do_aexec(really, MARK, SP);
3115 else if (SP - MARK != 1)
3117 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3119 value = (I32)do_aexec(Nullsv, MARK, SP);
3123 char *junk = SvPV(*SP, na);
3125 TAINT_PROPER("exec");
3128 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3130 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3140 dSP; dMARK; dTARGET;
3143 value = (I32)apply(op->op_type, MARK, SP);
3148 DIE(no_func, "Unsupported function kill");
3156 XPUSHi( getppid() );
3159 DIE(no_func, "getppid");
3175 value = (I32)BSD_GETPGRP(pid);
3177 if (pid != 0 && pid != getpid())
3178 DIE("POSIX getpgrp can't take an argument");
3179 value = (I32)getpgrp();
3184 DIE(no_func, "getpgrp()");
3203 TAINT_PROPER("setpgrp");
3205 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3207 if ((pgrp != 0 && pgrp != getpid())) || (pid != 0 && pid != getpid()))
3208 DIE("POSIX setpgrp can't take an argument");
3209 SETi( setpgrp() >= 0 );
3210 #endif /* USE_BSDPGRP */
3213 DIE(no_func, "setpgrp()");
3222 #ifdef HAS_GETPRIORITY
3225 SETi( getpriority(which, who) );
3228 DIE(no_func, "getpriority()");
3238 #ifdef HAS_SETPRIORITY
3242 TAINT_PROPER("setpriority");
3243 SETi( setpriority(which, who, niceval) >= 0 );
3246 DIE(no_func, "setpriority()");
3256 XPUSHn( time(Null(Time_t*)) );
3258 XPUSHi( time(Null(Time_t*)) );
3263 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3264 to HZ. Probably. For now, assume that if the system
3265 defines HZ, it does so correctly. (Will this break
3267 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3268 it's supported. --AD 9/96.
3284 DIE("times not implemented");
3289 (void)times(×buf);
3291 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3292 /* struct tms, though same data */
3296 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3297 if (GIMME == G_ARRAY) {
3298 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3299 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3300 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3303 #endif /* HAS_TIMES */
3308 return pp_gmtime(ARGS);
3316 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3317 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3318 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3324 when = (Time_t)SvNVx(POPs);
3326 when = (Time_t)SvIVx(POPs);
3329 if (op->op_type == OP_LOCALTIME)
3330 tmbuf = localtime(&when);
3332 tmbuf = gmtime(&when);
3336 if (GIMME != G_ARRAY) {
3341 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3342 dayname[tmbuf->tm_wday],
3343 monname[tmbuf->tm_mon],
3348 tmbuf->tm_year + 1900);
3349 PUSHs(sv_2mortal(tsv));
3352 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3353 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3354 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3355 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3356 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3357 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3358 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3359 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3360 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3371 anum = alarm((unsigned int)anum);
3378 DIE(no_func, "Unsupported function alarm");
3389 (void)time(&lasttime);
3394 sleep((unsigned int)duration);
3397 XPUSHi(when - lasttime);
3401 /* Shared memory. */
3405 return pp_semget(ARGS);
3410 return pp_semctl(ARGS);
3415 return pp_shmwrite(ARGS);
3420 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3421 dSP; dMARK; dTARGET;
3422 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3427 return pp_semget(ARGS);
3431 /* Message passing. */
3435 return pp_semget(ARGS);
3440 return pp_semctl(ARGS);
3445 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3446 dSP; dMARK; dTARGET;
3447 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3452 return pp_semget(ARGS);
3458 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3459 dSP; dMARK; dTARGET;
3460 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3465 return pp_semget(ARGS);
3473 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3474 dSP; dMARK; dTARGET;
3475 int anum = do_ipcget(op->op_type, MARK, SP);
3482 DIE("System V IPC is not implemented on this machine");
3488 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3489 dSP; dMARK; dTARGET;
3490 int anum = do_ipcctl(op->op_type, MARK, SP);
3498 PUSHp(zero_but_true, ZBTLEN);
3502 return pp_semget(ARGS);
3508 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3509 dSP; dMARK; dTARGET;
3510 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3515 return pp_semget(ARGS);
3519 /* Get system info. */
3524 return pp_ghostent(ARGS);
3526 DIE(no_sock_func, "gethostbyname");
3533 return pp_ghostent(ARGS);
3535 DIE(no_sock_func, "gethostbyaddr");
3543 I32 which = op->op_type;
3544 register char **elem;
3546 struct hostent *gethostbyname();
3547 struct hostent *gethostbyaddr();
3548 #ifdef HAS_GETHOSTENT
3549 struct hostent *gethostent();
3551 struct hostent *hent;
3555 if (which == OP_GHBYNAME) {
3556 hent = gethostbyname(POPp);
3558 else if (which == OP_GHBYADDR) {
3559 int addrtype = POPi;
3562 char *addr = SvPV(addrsv, addrlen);
3564 hent = gethostbyaddr(addr, addrlen, addrtype);
3567 #ifdef HAS_GETHOSTENT
3568 hent = gethostent();
3570 DIE("gethostent not implemented");
3573 #ifdef HOST_NOT_FOUND
3575 STATUS_NATIVE_SET(h_errno);
3578 if (GIMME != G_ARRAY) {
3579 PUSHs(sv = sv_newmortal());
3581 if (which == OP_GHBYNAME) {
3583 sv_setpvn(sv, hent->h_addr, hent->h_length);
3586 sv_setpv(sv, (char*)hent->h_name);
3592 PUSHs(sv = sv_mortalcopy(&sv_no));
3593 sv_setpv(sv, (char*)hent->h_name);
3594 PUSHs(sv = sv_mortalcopy(&sv_no));
3595 for (elem = hent->h_aliases; elem && *elem; elem++) {
3596 sv_catpv(sv, *elem);
3598 sv_catpvn(sv, " ", 1);
3600 PUSHs(sv = sv_mortalcopy(&sv_no));
3601 sv_setiv(sv, (IV)hent->h_addrtype);
3602 PUSHs(sv = sv_mortalcopy(&sv_no));
3603 len = hent->h_length;
3604 sv_setiv(sv, (IV)len);
3606 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3607 XPUSHs(sv = sv_mortalcopy(&sv_no));
3608 sv_setpvn(sv, *elem, len);
3611 PUSHs(sv = sv_mortalcopy(&sv_no));
3613 sv_setpvn(sv, hent->h_addr, len);
3618 DIE(no_sock_func, "gethostent");
3625 return pp_gnetent(ARGS);
3627 DIE(no_sock_func, "getnetbyname");
3634 return pp_gnetent(ARGS);
3636 DIE(no_sock_func, "getnetbyaddr");
3644 I32 which = op->op_type;
3645 register char **elem;
3647 struct netent *getnetbyname();
3648 struct netent *getnetbyaddr();
3649 struct netent *getnetent();
3650 struct netent *nent;
3652 if (which == OP_GNBYNAME)
3653 nent = getnetbyname(POPp);
3654 else if (which == OP_GNBYADDR) {
3655 int addrtype = POPi;
3656 unsigned long addr = U_L(POPn);
3657 nent = getnetbyaddr((long)addr, addrtype);
3663 if (GIMME != G_ARRAY) {
3664 PUSHs(sv = sv_newmortal());
3666 if (which == OP_GNBYNAME)
3667 sv_setiv(sv, (IV)nent->n_net);
3669 sv_setpv(sv, nent->n_name);
3675 PUSHs(sv = sv_mortalcopy(&sv_no));
3676 sv_setpv(sv, nent->n_name);
3677 PUSHs(sv = sv_mortalcopy(&sv_no));
3678 for (elem = nent->n_aliases; *elem; elem++) {
3679 sv_catpv(sv, *elem);
3681 sv_catpvn(sv, " ", 1);
3683 PUSHs(sv = sv_mortalcopy(&sv_no));
3684 sv_setiv(sv, (IV)nent->n_addrtype);
3685 PUSHs(sv = sv_mortalcopy(&sv_no));
3686 sv_setiv(sv, (IV)nent->n_net);
3691 DIE(no_sock_func, "getnetent");
3698 return pp_gprotoent(ARGS);
3700 DIE(no_sock_func, "getprotobyname");
3707 return pp_gprotoent(ARGS);
3709 DIE(no_sock_func, "getprotobynumber");
3717 I32 which = op->op_type;
3718 register char **elem;
3720 struct protoent *getprotobyname();
3721 struct protoent *getprotobynumber();
3722 struct protoent *getprotoent();
3723 struct protoent *pent;
3725 if (which == OP_GPBYNAME)
3726 pent = getprotobyname(POPp);
3727 else if (which == OP_GPBYNUMBER)
3728 pent = getprotobynumber(POPi);
3730 pent = getprotoent();
3733 if (GIMME != G_ARRAY) {
3734 PUSHs(sv = sv_newmortal());
3736 if (which == OP_GPBYNAME)
3737 sv_setiv(sv, (IV)pent->p_proto);
3739 sv_setpv(sv, pent->p_name);
3745 PUSHs(sv = sv_mortalcopy(&sv_no));
3746 sv_setpv(sv, pent->p_name);
3747 PUSHs(sv = sv_mortalcopy(&sv_no));
3748 for (elem = pent->p_aliases; *elem; elem++) {
3749 sv_catpv(sv, *elem);
3751 sv_catpvn(sv, " ", 1);
3753 PUSHs(sv = sv_mortalcopy(&sv_no));
3754 sv_setiv(sv, (IV)pent->p_proto);
3759 DIE(no_sock_func, "getprotoent");
3766 return pp_gservent(ARGS);
3768 DIE(no_sock_func, "getservbyname");
3775 return pp_gservent(ARGS);
3777 DIE(no_sock_func, "getservbyport");
3785 I32 which = op->op_type;
3786 register char **elem;
3788 struct servent *getservbyname();
3789 struct servent *getservbynumber();
3790 struct servent *getservent();
3791 struct servent *sent;
3793 if (which == OP_GSBYNAME) {
3797 if (proto && !*proto)
3800 sent = getservbyname(name, proto);
3802 else if (which == OP_GSBYPORT) {
3804 unsigned short port = POPu;
3809 sent = getservbyport(port, proto);
3812 sent = getservent();
3815 if (GIMME != G_ARRAY) {
3816 PUSHs(sv = sv_newmortal());
3818 if (which == OP_GSBYNAME) {
3820 sv_setiv(sv, (IV)ntohs(sent->s_port));
3822 sv_setiv(sv, (IV)(sent->s_port));
3826 sv_setpv(sv, sent->s_name);
3832 PUSHs(sv = sv_mortalcopy(&sv_no));
3833 sv_setpv(sv, sent->s_name);
3834 PUSHs(sv = sv_mortalcopy(&sv_no));
3835 for (elem = sent->s_aliases; *elem; elem++) {
3836 sv_catpv(sv, *elem);
3838 sv_catpvn(sv, " ", 1);
3840 PUSHs(sv = sv_mortalcopy(&sv_no));
3842 sv_setiv(sv, (IV)ntohs(sent->s_port));
3844 sv_setiv(sv, (IV)(sent->s_port));
3846 PUSHs(sv = sv_mortalcopy(&sv_no));
3847 sv_setpv(sv, sent->s_proto);
3852 DIE(no_sock_func, "getservent");
3863 DIE(no_sock_func, "sethostent");
3874 DIE(no_sock_func, "setnetent");
3885 DIE(no_sock_func, "setprotoent");
3896 DIE(no_sock_func, "setservent");
3908 DIE(no_sock_func, "endhostent");
3920 DIE(no_sock_func, "endnetent");
3932 DIE(no_sock_func, "endprotoent");
3944 DIE(no_sock_func, "endservent");
3951 return pp_gpwent(ARGS);
3953 DIE(no_func, "getpwnam");
3960 return pp_gpwent(ARGS);
3962 DIE(no_func, "getpwuid");
3970 I32 which = op->op_type;
3972 struct passwd *pwent;
3974 if (which == OP_GPWNAM)
3975 pwent = getpwnam(POPp);
3976 else if (which == OP_GPWUID)
3977 pwent = getpwuid(POPi);
3979 pwent = (struct passwd *)getpwent();
3982 if (GIMME != G_ARRAY) {
3983 PUSHs(sv = sv_newmortal());
3985 if (which == OP_GPWNAM)
3986 sv_setiv(sv, (IV)pwent->pw_uid);
3988 sv_setpv(sv, pwent->pw_name);
3994 PUSHs(sv = sv_mortalcopy(&sv_no));
3995 sv_setpv(sv, pwent->pw_name);
3996 PUSHs(sv = sv_mortalcopy(&sv_no));
3997 sv_setpv(sv, pwent->pw_passwd);
3998 PUSHs(sv = sv_mortalcopy(&sv_no));
3999 sv_setiv(sv, (IV)pwent->pw_uid);
4000 PUSHs(sv = sv_mortalcopy(&sv_no));
4001 sv_setiv(sv, (IV)pwent->pw_gid);
4002 PUSHs(sv = sv_mortalcopy(&sv_no));
4004 sv_setiv(sv, (IV)pwent->pw_change);
4007 sv_setiv(sv, (IV)pwent->pw_quota);
4010 sv_setpv(sv, pwent->pw_age);
4014 PUSHs(sv = sv_mortalcopy(&sv_no));
4016 sv_setpv(sv, pwent->pw_class);
4019 sv_setpv(sv, pwent->pw_comment);
4022 PUSHs(sv = sv_mortalcopy(&sv_no));
4023 sv_setpv(sv, pwent->pw_gecos);
4024 PUSHs(sv = sv_mortalcopy(&sv_no));
4025 sv_setpv(sv, pwent->pw_dir);
4026 PUSHs(sv = sv_mortalcopy(&sv_no));
4027 sv_setpv(sv, pwent->pw_shell);
4029 PUSHs(sv = sv_mortalcopy(&sv_no));
4030 sv_setiv(sv, (IV)pwent->pw_expire);
4035 DIE(no_func, "getpwent");
4042 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4046 DIE(no_func, "setpwent");
4057 DIE(no_func, "endpwent");
4064 return pp_ggrent(ARGS);
4066 DIE(no_func, "getgrnam");
4073 return pp_ggrent(ARGS);
4075 DIE(no_func, "getgrgid");
4083 I32 which = op->op_type;
4084 register char **elem;
4086 struct group *grent;
4088 if (which == OP_GGRNAM)
4089 grent = (struct group *)getgrnam(POPp);
4090 else if (which == OP_GGRGID)
4091 grent = (struct group *)getgrgid(POPi);
4093 grent = (struct group *)getgrent();
4096 if (GIMME != G_ARRAY) {
4097 PUSHs(sv = sv_newmortal());
4099 if (which == OP_GGRNAM)
4100 sv_setiv(sv, (IV)grent->gr_gid);
4102 sv_setpv(sv, grent->gr_name);
4108 PUSHs(sv = sv_mortalcopy(&sv_no));
4109 sv_setpv(sv, grent->gr_name);
4110 PUSHs(sv = sv_mortalcopy(&sv_no));
4111 sv_setpv(sv, grent->gr_passwd);
4112 PUSHs(sv = sv_mortalcopy(&sv_no));
4113 sv_setiv(sv, (IV)grent->gr_gid);
4114 PUSHs(sv = sv_mortalcopy(&sv_no));
4115 for (elem = grent->gr_mem; *elem; elem++) {
4116 sv_catpv(sv, *elem);
4118 sv_catpvn(sv, " ", 1);
4124 DIE(no_func, "getgrent");
4135 DIE(no_func, "setgrent");
4146 DIE(no_func, "endgrent");
4156 if (!(tmps = getlogin()))
4158 PUSHp(tmps, strlen(tmps));
4161 DIE(no_func, "getlogin");
4165 /* Miscellaneous. */
4170 dSP; dMARK; dORIGMARK; dTARGET;
4171 register I32 items = SP - MARK;
4172 unsigned long a[20];
4178 while (++MARK <= SP) {
4179 if (SvTAINTED(*MARK)) {
4185 TAINT_PROPER("syscall");
4188 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4189 * or where sizeof(long) != sizeof(char*). But such machines will
4190 * not likely have syscall implemented either, so who cares?
4192 while (++MARK <= SP) {
4193 if (SvNIOK(*MARK) || !i)
4194 a[i++] = SvIV(*MARK);
4195 else if (*MARK == &sv_undef)
4198 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4204 DIE("Too many args to syscall");
4206 DIE("Too few args to syscall");
4208 retval = syscall(a[0]);
4211 retval = syscall(a[0],a[1]);
4214 retval = syscall(a[0],a[1],a[2]);
4217 retval = syscall(a[0],a[1],a[2],a[3]);
4220 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4223 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4226 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4229 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4233 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4236 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4239 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4243 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4247 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4251 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4252 a[10],a[11],a[12],a[13]);
4254 #endif /* atarist */
4260 DIE(no_func, "syscall");
4264 #ifdef FCNTL_EMULATE_FLOCK
4266 /* XXX Emulate flock() with fcntl().
4267 What's really needed is a good file locking module.
4271 fcntl_emulate_flock(fd, operation)
4277 switch (operation & ~LOCK_NB) {
4279 flock.l_type = F_RDLCK;
4282 flock.l_type = F_WRLCK;
4285 flock.l_type = F_UNLCK;
4291 flock.l_whence = SEEK_SET;
4292 flock.l_start = flock.l_len = 0L;
4294 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4297 #endif /* FCNTL_EMULATE_FLOCK */
4299 #ifdef LOCKF_EMULATE_FLOCK
4301 /* XXX Emulate flock() with lockf(). This is just to increase
4302 portability of scripts. The calls are not completely
4303 interchangeable. What's really needed is a good file
4307 /* The lockf() constants might have been defined in <unistd.h>.
4308 Unfortunately, <unistd.h> causes troubles on some mixed
4309 (BSD/POSIX) systems, such as SunOS 4.1.3.
4311 Further, the lockf() constants aren't POSIX, so they might not be
4312 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4313 just stick in the SVID values and be done with it. Sigh.
4317 # define F_ULOCK 0 /* Unlock a previously locked region */
4320 # define F_LOCK 1 /* Lock a region for exclusive use */
4323 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4326 # define F_TEST 3 /* Test a region for other processes locks */
4330 lockf_emulate_flock (fd, operation)
4335 switch (operation) {
4337 /* LOCK_SH - get a shared lock */
4339 /* LOCK_EX - get an exclusive lock */
4341 i = lockf (fd, F_LOCK, 0);
4344 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4345 case LOCK_SH|LOCK_NB:
4346 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4347 case LOCK_EX|LOCK_NB:
4348 i = lockf (fd, F_TLOCK, 0);
4350 if ((errno == EAGAIN) || (errno == EACCES))
4351 errno = EWOULDBLOCK;
4354 /* LOCK_UN - unlock (non-blocking is a no-op) */
4356 case LOCK_UN|LOCK_NB:
4357 i = lockf (fd, F_ULOCK, 0);
4360 /* Default - can't decipher operation */
4369 #endif /* LOCKF_EMULATE_FLOCK */