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 bufsize = sizeof namebuf;
1247 buffer = SvGROW(bufsv, length+1);
1248 /* 'offset' means 'flags' here */
1249 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1250 (struct sockaddr *)namebuf, &bufsize);
1253 SvCUR_set(bufsv, length);
1254 *SvEND(bufsv) = '\0';
1255 (void)SvPOK_only(bufsv);
1257 /* This should not be marked tainted if the fp is marked clean */
1258 if (!(IoFLAGS(io) & IOf_UNTAINT))
1259 SvTAINTED_on(bufsv);
1261 sv_setpvn(TARG, namebuf, bufsize);
1266 if (op->op_type == OP_RECV)
1267 DIE(no_sock_func, "recv");
1271 DIE("Offset outside string");
1274 bufsize = SvCUR(bufsv);
1275 buffer = SvGROW(bufsv, length+offset+1);
1276 if (offset > bufsize) { /* Zero any newly allocated space */
1277 Zero(buffer+bufsize, offset-bufsize, char);
1279 if (op->op_type == OP_SYSREAD) {
1280 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1283 #ifdef HAS_SOCKET__bad_code_maybe
1284 if (IoTYPE(io) == 's') {
1285 char namebuf[MAXPATHLEN];
1286 bufsize = sizeof namebuf;
1287 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1288 (struct sockaddr *)namebuf, &bufsize);
1292 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1295 SvCUR_set(bufsv, length+offset);
1296 *SvEND(bufsv) = '\0';
1297 (void)SvPOK_only(bufsv);
1299 /* This should not be marked tainted if the fp is marked clean */
1300 if (!(IoFLAGS(io) & IOf_UNTAINT))
1301 SvTAINTED_on(bufsv);
1313 return pp_send(ARGS);
1318 dSP; dMARK; dORIGMARK; dTARGET;
1331 buffer = SvPV(bufsv, blen);
1332 length = SvIVx(*++MARK);
1334 DIE("Negative length");
1337 if (!io || !IoIFP(io)) {
1340 if (op->op_type == OP_SYSWRITE)
1341 warn("Syswrite on closed filehandle");
1343 warn("Send on closed socket");
1346 else if (op->op_type == OP_SYSWRITE) {
1348 offset = SvIVx(*++MARK);
1351 DIE("Offset outside string");
1353 } else if (offset >= blen)
1354 DIE("Offset outside string");
1357 if (length > blen - offset)
1358 length = blen - offset;
1359 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1362 else if (SP > MARK) {
1365 sockbuf = SvPVx(*++MARK, mlen);
1366 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1367 (struct sockaddr *)sockbuf, mlen);
1370 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1373 DIE(no_sock_func, "send");
1388 return pp_sysread(ARGS);
1399 gv = last_in_gv = (GV*)POPs;
1400 PUSHs(boolSV(!gv || do_eof(gv)));
1412 gv = last_in_gv = (GV*)POPs;
1413 PUSHi( do_tell(gv) );
1419 return pp_sysseek(ARGS);
1429 gv = last_in_gv = (GV*)POPs;
1430 if (op->op_type == OP_SEEK)
1431 PUSHs(boolSV(do_seek(gv, offset, whence)));
1433 long n = do_sysseek(gv, offset, whence);
1434 PUSHs((n < 0) ? &sv_undef
1435 : sv_2mortal(n ? newSViv((IV)n)
1436 : newSVpv(zero_but_true, ZBTLEN)));
1444 Off_t len = (Off_t)POPn;
1449 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1450 if (op->op_flags & OPf_SPECIAL) {
1451 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1453 TAINT_PROPER("truncate");
1454 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1456 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1458 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1466 if (SvTYPE(sv) == SVt_PVGV) {
1467 tmpgv = (GV*)sv; /* *main::FRED for example */
1470 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1471 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1475 name = SvPV(sv, na);
1476 TAINT_PROPER("truncate");
1478 if (truncate(name, len) < 0)
1483 if ((tmpfd = open(name, O_RDWR)) < 0)
1486 if (my_chsize(tmpfd, len) < 0)
1497 SETERRNO(EBADF,RMS$_IFI);
1500 DIE("truncate not implemented");
1506 return pp_ioctl(ARGS);
1513 unsigned int func = U_I(POPn);
1514 int optype = op->op_type;
1520 if (!io || !argsv || !IoIFP(io)) {
1521 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1525 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1528 s = SvPV_force(argsv, len);
1529 need = IOCPARM_LEN(func);
1531 s = Sv_Grow(argsv, need + 1);
1532 SvCUR_set(argsv, need);
1535 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1538 retval = SvIV(argsv);
1539 s = (char*)retval; /* ouch */
1542 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1544 if (optype == OP_IOCTL)
1546 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1548 DIE("ioctl is not implemented");
1552 #if defined(OS2) && defined(__EMX__)
1553 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1555 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1558 DIE("fcntl is not implemented");
1562 if (s[SvCUR(argsv)] != 17)
1563 DIE("Possible memory corruption: %s overflowed 3rd argument",
1565 s[SvCUR(argsv)] = 0; /* put our null back */
1566 SvSETMAGIC(argsv); /* Assume it has changed */
1575 PUSHp(zero_but_true, ZBTLEN);
1595 fp = IoIFP(GvIOp(gv));
1599 (void)PerlIO_flush(fp);
1600 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1607 DIE(no_func, "flock()");
1619 int protocol = POPi;
1627 SETERRNO(EBADF,LIB$_INVARG);
1633 do_close(gv, FALSE);
1635 TAINT_PROPER("socket");
1636 fd = socket(domain, type, protocol);
1639 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1640 IoOFP(io) = PerlIO_fdopen(fd, "w");
1642 if (!IoIFP(io) || !IoOFP(io)) {
1643 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1644 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1645 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1651 DIE(no_sock_func, "socket");
1658 #ifdef HAS_SOCKETPAIR
1663 int protocol = POPi;
1676 do_close(gv1, FALSE);
1678 do_close(gv2, FALSE);
1680 TAINT_PROPER("socketpair");
1681 if (socketpair(domain, type, protocol, fd) < 0)
1683 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1684 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1686 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1687 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1689 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1690 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1691 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1692 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1693 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1694 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1695 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1701 DIE(no_sock_func, "socketpair");
1712 register IO *io = GvIOn(gv);
1715 if (!io || !IoIFP(io))
1718 addr = SvPV(addrsv, len);
1719 TAINT_PROPER("bind");
1720 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1727 warn("bind() on closed fd");
1728 SETERRNO(EBADF,SS$_IVCHAN);
1731 DIE(no_sock_func, "bind");
1742 register IO *io = GvIOn(gv);
1745 if (!io || !IoIFP(io))
1748 addr = SvPV(addrsv, len);
1749 TAINT_PROPER("connect");
1750 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1757 warn("connect() on closed fd");
1758 SETERRNO(EBADF,SS$_IVCHAN);
1761 DIE(no_sock_func, "connect");
1771 register IO *io = GvIOn(gv);
1773 if (!io || !IoIFP(io))
1776 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1783 warn("listen() on closed fd");
1784 SETERRNO(EBADF,SS$_IVCHAN);
1787 DIE(no_sock_func, "listen");
1799 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1800 Sock_size_t len = sizeof saddr;
1812 if (!gstio || !IoIFP(gstio))
1817 do_close(ngv, FALSE);
1819 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1822 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1823 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1824 IoTYPE(nstio) = 's';
1825 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1826 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1827 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1828 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1832 PUSHp((char *)&saddr, len);
1837 warn("accept() on closed fd");
1838 SETERRNO(EBADF,SS$_IVCHAN);
1844 DIE(no_sock_func, "accept");
1854 register IO *io = GvIOn(gv);
1856 if (!io || !IoIFP(io))
1859 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1864 warn("shutdown() on closed fd");
1865 SETERRNO(EBADF,SS$_IVCHAN);
1868 DIE(no_sock_func, "shutdown");
1875 return pp_ssockopt(ARGS);
1877 DIE(no_sock_func, "getsockopt");
1885 int optype = op->op_type;
1888 unsigned int optname;
1894 if (optype == OP_GSOCKOPT)
1895 sv = sv_2mortal(NEWSV(22, 257));
1898 optname = (unsigned int) POPi;
1899 lvl = (unsigned int) POPi;
1903 if (!io || !IoIFP(io))
1906 fd = PerlIO_fileno(IoIFP(io));
1910 (void)SvPOK_only(sv);
1914 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1927 else if (SvOK(sv)) {
1928 aint = (int)SvIV(sv);
1932 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1942 warn("[gs]etsockopt() on closed fd");
1943 SETERRNO(EBADF,SS$_IVCHAN);
1948 DIE(no_sock_func, "setsockopt");
1955 return pp_getpeername(ARGS);
1957 DIE(no_sock_func, "getsockname");
1965 int optype = op->op_type;
1969 register IO *io = GvIOn(gv);
1972 if (!io || !IoIFP(io))
1975 sv = sv_2mortal(NEWSV(22, 257));
1976 (void)SvPOK_only(sv);
1980 fd = PerlIO_fileno(IoIFP(io));
1982 case OP_GETSOCKNAME:
1983 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1986 case OP_GETPEERNAME:
1987 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1991 #ifdef BOGUS_GETNAME_RETURN
1992 /* Interactive Unix, getpeername() and getsockname()
1993 does not return valid namelen */
1994 if (len == BOGUS_GETNAME_RETURN)
1995 len = sizeof(struct sockaddr);
2004 warn("get{sock, peer}name() on closed fd");
2005 SETERRNO(EBADF,SS$_IVCHAN);
2010 DIE(no_sock_func, "getpeername");
2018 return pp_stat(ARGS);
2028 if (op->op_flags & OPf_REF) {
2029 tmpgv = cGVOP->op_gv;
2031 if (tmpgv != defgv) {
2032 laststype = OP_STAT;
2034 sv_setpv(statname, "");
2035 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2036 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2038 if (laststatval < 0)
2043 if (SvTYPE(sv) == SVt_PVGV) {
2047 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2048 tmpgv = (GV*)SvRV(sv);
2051 sv_setpv(statname, SvPV(sv,na));
2054 laststype = op->op_type;
2055 if (op->op_type == OP_LSTAT)
2056 laststatval = lstat(SvPV(statname, na), &statcache);
2059 laststatval = Stat(SvPV(statname, na), &statcache);
2060 if (laststatval < 0) {
2061 if (dowarn && strchr(SvPV(statname, na), '\n'))
2062 warn(warn_nl, "stat");
2068 if (gimme != G_ARRAY) {
2069 if (gimme != G_VOID)
2070 XPUSHs(boolSV(max));
2076 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2077 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2078 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2079 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2080 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2081 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2082 #ifdef USE_STAT_RDEV
2083 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2085 PUSHs(sv_2mortal(newSVpv("", 0)));
2087 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2089 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2090 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2091 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2093 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2094 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2095 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2097 #ifdef USE_STAT_BLOCKS
2098 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2099 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2101 PUSHs(sv_2mortal(newSVpv("", 0)));
2102 PUSHs(sv_2mortal(newSVpv("", 0)));
2110 I32 result = my_stat(ARGS);
2114 if (cando(S_IRUSR, 0, &statcache))
2121 I32 result = my_stat(ARGS);
2125 if (cando(S_IWUSR, 0, &statcache))
2132 I32 result = my_stat(ARGS);
2136 if (cando(S_IXUSR, 0, &statcache))
2143 I32 result = my_stat(ARGS);
2147 if (cando(S_IRUSR, 1, &statcache))
2154 I32 result = my_stat(ARGS);
2158 if (cando(S_IWUSR, 1, &statcache))
2165 I32 result = my_stat(ARGS);
2169 if (cando(S_IXUSR, 1, &statcache))
2176 I32 result = my_stat(ARGS);
2185 return pp_ftrowned(ARGS);
2190 I32 result = my_stat(ARGS);
2194 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2201 I32 result = my_stat(ARGS);
2205 if (!statcache.st_size)
2212 I32 result = my_stat(ARGS);
2216 PUSHi(statcache.st_size);
2222 I32 result = my_stat(ARGS);
2226 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2232 I32 result = my_stat(ARGS);
2236 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2242 I32 result = my_stat(ARGS);
2246 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2252 I32 result = my_stat(ARGS);
2256 if (S_ISSOCK(statcache.st_mode))
2263 I32 result = my_stat(ARGS);
2267 if (S_ISCHR(statcache.st_mode))
2274 I32 result = my_stat(ARGS);
2278 if (S_ISBLK(statcache.st_mode))
2285 I32 result = my_stat(ARGS);
2289 if (S_ISREG(statcache.st_mode))
2296 I32 result = my_stat(ARGS);
2300 if (S_ISDIR(statcache.st_mode))
2307 I32 result = my_stat(ARGS);
2311 if (S_ISFIFO(statcache.st_mode))
2318 I32 result = my_lstat(ARGS);
2322 if (S_ISLNK(statcache.st_mode))
2331 I32 result = my_stat(ARGS);
2335 if (statcache.st_mode & S_ISUID)
2345 I32 result = my_stat(ARGS);
2349 if (statcache.st_mode & S_ISGID)
2359 I32 result = my_stat(ARGS);
2363 if (statcache.st_mode & S_ISVTX)
2375 if (op->op_flags & OPf_REF) {
2380 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2381 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2382 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2383 else if (isDIGIT(*tmps))
2392 #if defined(atarist) /* this will work with atariST. Configure will
2393 make guesses for other systems. */
2394 # define FILE_base(f) ((f)->_base)
2395 # define FILE_ptr(f) ((f)->_ptr)
2396 # define FILE_cnt(f) ((f)->_cnt)
2397 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2407 register STDCHAR *s;
2412 if (op->op_flags & OPf_REF)
2414 else if (isGV(TOPs))
2416 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2417 gv = (GV*)SvRV(POPs);
2428 goto really_filename;
2434 sv_setpv(statname, "");
2437 if (io && IoIFP(io)) {
2438 if (! PerlIO_has_base(IoIFP(io)))
2439 DIE("-T and -B not implemented on filehandles");
2440 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2441 if (laststatval < 0)
2443 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2444 if (op->op_type == OP_FTTEXT)
2448 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2449 i = PerlIO_getc(IoIFP(io));
2451 (void)PerlIO_ungetc(IoIFP(io),i);
2453 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2455 len = PerlIO_get_bufsiz(IoIFP(io));
2456 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2457 /* sfio can have large buffers - limit to 512 */
2463 warn("Test on unopened file <%s>",
2464 GvENAME(cGVOP->op_gv));
2465 SETERRNO(EBADF,RMS$_IFI);
2474 sv_setpv(statname, SvPV(sv, na));
2476 i = open(SvPV(sv, na), O_RDONLY, 0);
2478 i = open(SvPV(sv, na), 0);
2481 if (dowarn && strchr(SvPV(sv, na), '\n'))
2482 warn(warn_nl, "open");
2485 laststatval = Fstat(i, &statcache);
2486 if (laststatval < 0)
2488 len = read(i, tbuf, 512);
2491 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2492 RETPUSHNO; /* special case NFS directories */
2493 RETPUSHYES; /* null file is anything */
2498 /* now scan s to look for textiness */
2499 /* XXX ASCII dependent code */
2501 for (i = 0; i < len; i++, s++) {
2502 if (!*s) { /* null never allowed in text */
2509 *s != '\n' && *s != '\r' && *s != '\b' &&
2510 *s != '\t' && *s != '\f' && *s != 27)
2514 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2522 return pp_fttext(ARGS);
2537 if (!tmps || !*tmps) {
2538 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2540 tmps = SvPV(*svp, na);
2542 if (!tmps || !*tmps) {
2543 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2545 tmps = SvPV(*svp, na);
2547 TAINT_PROPER("chdir");
2548 PUSHi( chdir(tmps) >= 0 );
2550 /* Clear the DEFAULT element of ENV so we'll get the new value
2552 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2559 dSP; dMARK; dTARGET;
2562 value = (I32)apply(op->op_type, MARK, SP);
2567 DIE(no_func, "Unsupported function chown");
2577 TAINT_PROPER("chroot");
2578 PUSHi( chroot(tmps) >= 0 );
2581 DIE(no_func, "chroot");
2587 dSP; dMARK; dTARGET;
2589 value = (I32)apply(op->op_type, MARK, SP);
2597 dSP; dMARK; dTARGET;
2599 value = (I32)apply(op->op_type, MARK, SP);
2607 dSP; dMARK; dTARGET;
2609 value = (I32)apply(op->op_type, MARK, SP);
2621 char *tmps = SvPV(TOPs, na);
2622 TAINT_PROPER("rename");
2624 anum = rename(tmps, tmps2);
2626 if (!(anum = Stat(tmps, &statbuf))) {
2627 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2630 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2631 (void)UNLINK(tmps2);
2632 if (!(anum = link(tmps, tmps2)))
2633 anum = UNLINK(tmps);
2646 char *tmps = SvPV(TOPs, na);
2647 TAINT_PROPER("link");
2648 SETi( link(tmps, tmps2) >= 0 );
2650 DIE(no_func, "Unsupported function link");
2660 char *tmps = SvPV(TOPs, na);
2661 TAINT_PROPER("symlink");
2662 SETi( symlink(tmps, tmps2) >= 0 );
2665 DIE(no_func, "symlink");
2674 char buf[MAXPATHLEN];
2678 len = readlink(tmps, buf, sizeof buf);
2686 RETSETUNDEF; /* just pretend it's a normal file */
2690 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2692 dooneliner(cmd, filename)
2696 char *save_filename = filename;
2702 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2703 strcpy(cmdline, cmd);
2704 strcat(cmdline, " ");
2705 for (s = cmdline + strlen(cmdline); *filename; ) {
2710 myfp = my_popen(cmdline, "r");
2714 SV *tmpsv = sv_newmortal();
2715 /* Need to save/restore 'rs' ?? */
2716 s = sv_gets(tmpsv, myfp, 0);
2717 (void)my_pclose(myfp);
2721 #ifdef HAS_SYS_ERRLIST
2726 /* you don't see this */
2728 #ifdef HAS_SYS_ERRLIST
2736 if (instr(s, errmsg)) {
2743 #define EACCES EPERM
2745 if (instr(s, "cannot make"))
2746 SETERRNO(EEXIST,RMS$_FEX);
2747 else if (instr(s, "existing file"))
2748 SETERRNO(EEXIST,RMS$_FEX);
2749 else if (instr(s, "ile exists"))
2750 SETERRNO(EEXIST,RMS$_FEX);
2751 else if (instr(s, "non-exist"))
2752 SETERRNO(ENOENT,RMS$_FNF);
2753 else if (instr(s, "does not exist"))
2754 SETERRNO(ENOENT,RMS$_FNF);
2755 else if (instr(s, "not empty"))
2756 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2757 else if (instr(s, "cannot access"))
2758 SETERRNO(EACCES,RMS$_PRV);
2760 SETERRNO(EPERM,RMS$_PRV);
2763 else { /* some mkdirs return no failure indication */
2764 anum = (Stat(save_filename, &statbuf) >= 0);
2765 if (op->op_type == OP_RMDIR)
2770 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2786 char *tmps = SvPV(TOPs, na);
2788 TAINT_PROPER("mkdir");
2790 SETi( Mkdir(tmps, mode) >= 0 );
2792 SETi( dooneliner("mkdir", tmps) );
2793 oldumask = umask(0);
2795 chmod(tmps, (mode & ~oldumask) & 0777);
2806 TAINT_PROPER("rmdir");
2808 XPUSHi( rmdir(tmps) >= 0 );
2810 XPUSHi( dooneliner("rmdir", tmps) );
2815 /* Directory calls. */
2820 #if defined(Direntry_t) && defined(HAS_READDIR)
2821 char *dirname = POPp;
2823 register IO *io = GvIOn(gv);
2829 closedir(IoDIRP(io));
2830 if (!(IoDIRP(io) = opendir(dirname)))
2836 SETERRNO(EBADF,RMS$_DIR);
2839 DIE(no_dir_func, "opendir");
2846 #if defined(Direntry_t) && defined(HAS_READDIR)
2848 Direntry_t *readdir _((DIR *));
2850 register Direntry_t *dp;
2852 register IO *io = GvIOn(gv);
2854 if (!io || !IoDIRP(io))
2857 if (GIMME == G_ARRAY) {
2859 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2861 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2863 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2868 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2871 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2873 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2880 SETERRNO(EBADF,RMS$_ISI);
2881 if (GIMME == G_ARRAY)
2886 DIE(no_dir_func, "readdir");
2893 #if defined(HAS_TELLDIR) || defined(telldir)
2894 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2895 long telldir _((DIR *));
2898 register IO *io = GvIOn(gv);
2900 if (!io || !IoDIRP(io))
2903 PUSHi( telldir(IoDIRP(io)) );
2907 SETERRNO(EBADF,RMS$_ISI);
2910 DIE(no_dir_func, "telldir");
2917 #if defined(HAS_SEEKDIR) || defined(seekdir)
2920 register IO *io = GvIOn(gv);
2922 if (!io || !IoDIRP(io))
2925 (void)seekdir(IoDIRP(io), along);
2930 SETERRNO(EBADF,RMS$_ISI);
2933 DIE(no_dir_func, "seekdir");
2940 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2942 register IO *io = GvIOn(gv);
2944 if (!io || !IoDIRP(io))
2947 (void)rewinddir(IoDIRP(io));
2951 SETERRNO(EBADF,RMS$_ISI);
2954 DIE(no_dir_func, "rewinddir");
2961 #if defined(Direntry_t) && defined(HAS_READDIR)
2963 register IO *io = GvIOn(gv);
2965 if (!io || !IoDIRP(io))
2968 #ifdef VOID_CLOSEDIR
2969 closedir(IoDIRP(io));
2971 if (closedir(IoDIRP(io)) < 0) {
2972 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
2981 SETERRNO(EBADF,RMS$_IFI);
2984 DIE(no_dir_func, "closedir");
2988 /* Process control. */
3003 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3004 sv_setiv(GvSV(tmpgv), (IV)getpid());
3005 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3010 DIE(no_func, "Unsupported function fork");
3016 #if !defined(DOSISH) || defined(OS2)
3021 childpid = wait4pid(-1, &argflags, 0);
3022 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3026 DIE(no_func, "Unsupported function wait");
3032 #if !defined(DOSISH) || defined(OS2)
3040 childpid = wait4pid(childpid, &argflags, optype);
3041 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3045 DIE(no_func, "Unsupported function wait");
3051 dSP; dMARK; dORIGMARK; dTARGET;
3056 Sigsave_t ihand,qhand; /* place to save signals during system() */
3058 if (SP - MARK == 1) {
3060 char *junk = SvPV(TOPs, na);
3062 TAINT_PROPER("system");
3065 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3066 while ((childpid = vfork()) == -1) {
3067 if (errno != EAGAIN) {
3076 rsignal_save(SIGINT, SIG_IGN, &ihand);
3077 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3079 result = wait4pid(childpid, &status, 0);
3080 } while (result == -1 && errno == EINTR);
3081 (void)rsignal_restore(SIGINT, &ihand);
3082 (void)rsignal_restore(SIGQUIT, &qhand);
3083 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3084 do_execfree(); /* free any memory child malloced on vfork */
3086 PUSHi(STATUS_CURRENT);
3089 if (op->op_flags & OPf_STACKED) {
3090 SV *really = *++MARK;
3091 value = (I32)do_aexec(really, MARK, SP);
3093 else if (SP - MARK != 1)
3094 value = (I32)do_aexec(Nullsv, MARK, SP);
3096 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3099 #else /* ! FORK or VMS or OS/2 */
3100 if (op->op_flags & OPf_STACKED) {
3101 SV *really = *++MARK;
3102 value = (I32)do_aspawn(really, MARK, SP);
3104 else if (SP - MARK != 1)
3105 value = (I32)do_aspawn(Nullsv, MARK, SP);
3107 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3109 STATUS_NATIVE_SET(value);
3112 PUSHi(STATUS_CURRENT);
3113 #endif /* !FORK or VMS */
3119 dSP; dMARK; dORIGMARK; dTARGET;
3122 if (op->op_flags & OPf_STACKED) {
3123 SV *really = *++MARK;
3124 value = (I32)do_aexec(really, MARK, SP);
3126 else if (SP - MARK != 1)
3128 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3130 value = (I32)do_aexec(Nullsv, MARK, SP);
3134 char *junk = SvPV(*SP, na);
3136 TAINT_PROPER("exec");
3139 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3141 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3151 dSP; dMARK; dTARGET;
3154 value = (I32)apply(op->op_type, MARK, SP);
3159 DIE(no_func, "Unsupported function kill");
3167 XPUSHi( getppid() );
3170 DIE(no_func, "getppid");
3186 value = (I32)BSD_GETPGRP(pid);
3188 if (pid != 0 && pid != getpid())
3189 DIE("POSIX getpgrp can't take an argument");
3190 value = (I32)getpgrp();
3195 DIE(no_func, "getpgrp()");
3214 TAINT_PROPER("setpgrp");
3216 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3218 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3219 DIE("POSIX setpgrp can't take an argument");
3220 SETi( setpgrp() >= 0 );
3221 #endif /* USE_BSDPGRP */
3224 DIE(no_func, "setpgrp()");
3233 #ifdef HAS_GETPRIORITY
3236 SETi( getpriority(which, who) );
3239 DIE(no_func, "getpriority()");
3249 #ifdef HAS_SETPRIORITY
3253 TAINT_PROPER("setpriority");
3254 SETi( setpriority(which, who, niceval) >= 0 );
3257 DIE(no_func, "setpriority()");
3267 XPUSHn( time(Null(Time_t*)) );
3269 XPUSHi( time(Null(Time_t*)) );
3274 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3275 to HZ. Probably. For now, assume that if the system
3276 defines HZ, it does so correctly. (Will this break
3278 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3279 it's supported. --AD 9/96.
3295 DIE("times not implemented");
3300 (void)times(×buf);
3302 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3303 /* struct tms, though same data */
3307 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3308 if (GIMME == G_ARRAY) {
3309 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3310 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3311 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3314 #endif /* HAS_TIMES */
3319 return pp_gmtime(ARGS);
3327 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3328 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3329 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3335 when = (Time_t)SvNVx(POPs);
3337 when = (Time_t)SvIVx(POPs);
3340 if (op->op_type == OP_LOCALTIME)
3341 tmbuf = localtime(&when);
3343 tmbuf = gmtime(&when);
3347 if (GIMME != G_ARRAY) {
3352 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3353 dayname[tmbuf->tm_wday],
3354 monname[tmbuf->tm_mon],
3359 tmbuf->tm_year + 1900);
3360 PUSHs(sv_2mortal(tsv));
3363 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3364 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3365 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3366 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3367 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3368 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3369 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3370 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3371 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3382 anum = alarm((unsigned int)anum);
3389 DIE(no_func, "Unsupported function alarm");
3400 (void)time(&lasttime);
3405 sleep((unsigned int)duration);
3408 XPUSHi(when - lasttime);
3412 /* Shared memory. */
3416 return pp_semget(ARGS);
3421 return pp_semctl(ARGS);
3426 return pp_shmwrite(ARGS);
3431 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3432 dSP; dMARK; dTARGET;
3433 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3438 return pp_semget(ARGS);
3442 /* Message passing. */
3446 return pp_semget(ARGS);
3451 return pp_semctl(ARGS);
3456 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3457 dSP; dMARK; dTARGET;
3458 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3463 return pp_semget(ARGS);
3469 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3470 dSP; dMARK; dTARGET;
3471 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3476 return pp_semget(ARGS);
3484 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3485 dSP; dMARK; dTARGET;
3486 int anum = do_ipcget(op->op_type, MARK, SP);
3493 DIE("System V IPC is not implemented on this machine");
3499 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3500 dSP; dMARK; dTARGET;
3501 int anum = do_ipcctl(op->op_type, MARK, SP);
3509 PUSHp(zero_but_true, ZBTLEN);
3513 return pp_semget(ARGS);
3519 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3520 dSP; dMARK; dTARGET;
3521 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3526 return pp_semget(ARGS);
3530 /* Get system info. */
3535 return pp_ghostent(ARGS);
3537 DIE(no_sock_func, "gethostbyname");
3544 return pp_ghostent(ARGS);
3546 DIE(no_sock_func, "gethostbyaddr");
3554 I32 which = op->op_type;
3555 register char **elem;
3557 struct hostent *gethostbyname();
3558 struct hostent *gethostbyaddr();
3559 #ifdef HAS_GETHOSTENT
3560 struct hostent *gethostent();
3562 struct hostent *hent;
3566 if (which == OP_GHBYNAME) {
3567 hent = gethostbyname(POPp);
3569 else if (which == OP_GHBYADDR) {
3570 int addrtype = POPi;
3573 char *addr = SvPV(addrsv, addrlen);
3575 hent = gethostbyaddr(addr, addrlen, addrtype);
3578 #ifdef HAS_GETHOSTENT
3579 hent = gethostent();
3581 DIE("gethostent not implemented");
3584 #ifdef HOST_NOT_FOUND
3586 STATUS_NATIVE_SET(h_errno);
3589 if (GIMME != G_ARRAY) {
3590 PUSHs(sv = sv_newmortal());
3592 if (which == OP_GHBYNAME) {
3594 sv_setpvn(sv, hent->h_addr, hent->h_length);
3597 sv_setpv(sv, (char*)hent->h_name);
3603 PUSHs(sv = sv_mortalcopy(&sv_no));
3604 sv_setpv(sv, (char*)hent->h_name);
3605 PUSHs(sv = sv_mortalcopy(&sv_no));
3606 for (elem = hent->h_aliases; elem && *elem; elem++) {
3607 sv_catpv(sv, *elem);
3609 sv_catpvn(sv, " ", 1);
3611 PUSHs(sv = sv_mortalcopy(&sv_no));
3612 sv_setiv(sv, (IV)hent->h_addrtype);
3613 PUSHs(sv = sv_mortalcopy(&sv_no));
3614 len = hent->h_length;
3615 sv_setiv(sv, (IV)len);
3617 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3618 XPUSHs(sv = sv_mortalcopy(&sv_no));
3619 sv_setpvn(sv, *elem, len);
3622 PUSHs(sv = sv_mortalcopy(&sv_no));
3624 sv_setpvn(sv, hent->h_addr, len);
3629 DIE(no_sock_func, "gethostent");
3636 return pp_gnetent(ARGS);
3638 DIE(no_sock_func, "getnetbyname");
3645 return pp_gnetent(ARGS);
3647 DIE(no_sock_func, "getnetbyaddr");
3655 I32 which = op->op_type;
3656 register char **elem;
3658 struct netent *getnetbyname();
3659 struct netent *getnetbyaddr();
3660 struct netent *getnetent();
3661 struct netent *nent;
3663 if (which == OP_GNBYNAME)
3664 nent = getnetbyname(POPp);
3665 else if (which == OP_GNBYADDR) {
3666 int addrtype = POPi;
3667 unsigned long addr = U_L(POPn);
3668 nent = getnetbyaddr((long)addr, addrtype);
3674 if (GIMME != G_ARRAY) {
3675 PUSHs(sv = sv_newmortal());
3677 if (which == OP_GNBYNAME)
3678 sv_setiv(sv, (IV)nent->n_net);
3680 sv_setpv(sv, nent->n_name);
3686 PUSHs(sv = sv_mortalcopy(&sv_no));
3687 sv_setpv(sv, nent->n_name);
3688 PUSHs(sv = sv_mortalcopy(&sv_no));
3689 for (elem = nent->n_aliases; elem && *elem; elem++) {
3690 sv_catpv(sv, *elem);
3692 sv_catpvn(sv, " ", 1);
3694 PUSHs(sv = sv_mortalcopy(&sv_no));
3695 sv_setiv(sv, (IV)nent->n_addrtype);
3696 PUSHs(sv = sv_mortalcopy(&sv_no));
3697 sv_setiv(sv, (IV)nent->n_net);
3702 DIE(no_sock_func, "getnetent");
3709 return pp_gprotoent(ARGS);
3711 DIE(no_sock_func, "getprotobyname");
3718 return pp_gprotoent(ARGS);
3720 DIE(no_sock_func, "getprotobynumber");
3728 I32 which = op->op_type;
3729 register char **elem;
3731 struct protoent *getprotobyname();
3732 struct protoent *getprotobynumber();
3733 struct protoent *getprotoent();
3734 struct protoent *pent;
3736 if (which == OP_GPBYNAME)
3737 pent = getprotobyname(POPp);
3738 else if (which == OP_GPBYNUMBER)
3739 pent = getprotobynumber(POPi);
3741 pent = getprotoent();
3744 if (GIMME != G_ARRAY) {
3745 PUSHs(sv = sv_newmortal());
3747 if (which == OP_GPBYNAME)
3748 sv_setiv(sv, (IV)pent->p_proto);
3750 sv_setpv(sv, pent->p_name);
3756 PUSHs(sv = sv_mortalcopy(&sv_no));
3757 sv_setpv(sv, pent->p_name);
3758 PUSHs(sv = sv_mortalcopy(&sv_no));
3759 for (elem = pent->p_aliases; elem && *elem; elem++) {
3760 sv_catpv(sv, *elem);
3762 sv_catpvn(sv, " ", 1);
3764 PUSHs(sv = sv_mortalcopy(&sv_no));
3765 sv_setiv(sv, (IV)pent->p_proto);
3770 DIE(no_sock_func, "getprotoent");
3777 return pp_gservent(ARGS);
3779 DIE(no_sock_func, "getservbyname");
3786 return pp_gservent(ARGS);
3788 DIE(no_sock_func, "getservbyport");
3796 I32 which = op->op_type;
3797 register char **elem;
3799 struct servent *getservbyname();
3800 struct servent *getservbynumber();
3801 struct servent *getservent();
3802 struct servent *sent;
3804 if (which == OP_GSBYNAME) {
3808 if (proto && !*proto)
3811 sent = getservbyname(name, proto);
3813 else if (which == OP_GSBYPORT) {
3815 unsigned short port = POPu;
3820 sent = getservbyport(port, proto);
3823 sent = getservent();
3826 if (GIMME != G_ARRAY) {
3827 PUSHs(sv = sv_newmortal());
3829 if (which == OP_GSBYNAME) {
3831 sv_setiv(sv, (IV)ntohs(sent->s_port));
3833 sv_setiv(sv, (IV)(sent->s_port));
3837 sv_setpv(sv, sent->s_name);
3843 PUSHs(sv = sv_mortalcopy(&sv_no));
3844 sv_setpv(sv, sent->s_name);
3845 PUSHs(sv = sv_mortalcopy(&sv_no));
3846 for (elem = sent->s_aliases; elem && *elem; elem++) {
3847 sv_catpv(sv, *elem);
3849 sv_catpvn(sv, " ", 1);
3851 PUSHs(sv = sv_mortalcopy(&sv_no));
3853 sv_setiv(sv, (IV)ntohs(sent->s_port));
3855 sv_setiv(sv, (IV)(sent->s_port));
3857 PUSHs(sv = sv_mortalcopy(&sv_no));
3858 sv_setpv(sv, sent->s_proto);
3863 DIE(no_sock_func, "getservent");
3874 DIE(no_sock_func, "sethostent");
3885 DIE(no_sock_func, "setnetent");
3896 DIE(no_sock_func, "setprotoent");
3907 DIE(no_sock_func, "setservent");
3919 DIE(no_sock_func, "endhostent");
3931 DIE(no_sock_func, "endnetent");
3943 DIE(no_sock_func, "endprotoent");
3955 DIE(no_sock_func, "endservent");
3962 return pp_gpwent(ARGS);
3964 DIE(no_func, "getpwnam");
3971 return pp_gpwent(ARGS);
3973 DIE(no_func, "getpwuid");
3981 I32 which = op->op_type;
3983 struct passwd *pwent;
3985 if (which == OP_GPWNAM)
3986 pwent = getpwnam(POPp);
3987 else if (which == OP_GPWUID)
3988 pwent = getpwuid(POPi);
3990 pwent = (struct passwd *)getpwent();
3993 if (GIMME != G_ARRAY) {
3994 PUSHs(sv = sv_newmortal());
3996 if (which == OP_GPWNAM)
3997 sv_setiv(sv, (IV)pwent->pw_uid);
3999 sv_setpv(sv, pwent->pw_name);
4005 PUSHs(sv = sv_mortalcopy(&sv_no));
4006 sv_setpv(sv, pwent->pw_name);
4007 PUSHs(sv = sv_mortalcopy(&sv_no));
4008 sv_setpv(sv, pwent->pw_passwd);
4009 PUSHs(sv = sv_mortalcopy(&sv_no));
4010 sv_setiv(sv, (IV)pwent->pw_uid);
4011 PUSHs(sv = sv_mortalcopy(&sv_no));
4012 sv_setiv(sv, (IV)pwent->pw_gid);
4013 PUSHs(sv = sv_mortalcopy(&sv_no));
4015 sv_setiv(sv, (IV)pwent->pw_change);
4018 sv_setiv(sv, (IV)pwent->pw_quota);
4021 sv_setpv(sv, pwent->pw_age);
4025 PUSHs(sv = sv_mortalcopy(&sv_no));
4027 sv_setpv(sv, pwent->pw_class);
4030 sv_setpv(sv, pwent->pw_comment);
4033 PUSHs(sv = sv_mortalcopy(&sv_no));
4034 sv_setpv(sv, pwent->pw_gecos);
4035 PUSHs(sv = sv_mortalcopy(&sv_no));
4036 sv_setpv(sv, pwent->pw_dir);
4037 PUSHs(sv = sv_mortalcopy(&sv_no));
4038 sv_setpv(sv, pwent->pw_shell);
4040 PUSHs(sv = sv_mortalcopy(&sv_no));
4041 sv_setiv(sv, (IV)pwent->pw_expire);
4046 DIE(no_func, "getpwent");
4053 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4057 DIE(no_func, "setpwent");
4068 DIE(no_func, "endpwent");
4075 return pp_ggrent(ARGS);
4077 DIE(no_func, "getgrnam");
4084 return pp_ggrent(ARGS);
4086 DIE(no_func, "getgrgid");
4094 I32 which = op->op_type;
4095 register char **elem;
4097 struct group *grent;
4099 if (which == OP_GGRNAM)
4100 grent = (struct group *)getgrnam(POPp);
4101 else if (which == OP_GGRGID)
4102 grent = (struct group *)getgrgid(POPi);
4104 grent = (struct group *)getgrent();
4107 if (GIMME != G_ARRAY) {
4108 PUSHs(sv = sv_newmortal());
4110 if (which == OP_GGRNAM)
4111 sv_setiv(sv, (IV)grent->gr_gid);
4113 sv_setpv(sv, grent->gr_name);
4119 PUSHs(sv = sv_mortalcopy(&sv_no));
4120 sv_setpv(sv, grent->gr_name);
4121 PUSHs(sv = sv_mortalcopy(&sv_no));
4122 sv_setpv(sv, grent->gr_passwd);
4123 PUSHs(sv = sv_mortalcopy(&sv_no));
4124 sv_setiv(sv, (IV)grent->gr_gid);
4125 PUSHs(sv = sv_mortalcopy(&sv_no));
4126 for (elem = grent->gr_mem; elem && *elem; elem++) {
4127 sv_catpv(sv, *elem);
4129 sv_catpvn(sv, " ", 1);
4135 DIE(no_func, "getgrent");
4146 DIE(no_func, "setgrent");
4157 DIE(no_func, "endgrent");
4167 if (!(tmps = getlogin()))
4169 PUSHp(tmps, strlen(tmps));
4172 DIE(no_func, "getlogin");
4176 /* Miscellaneous. */
4181 dSP; dMARK; dORIGMARK; dTARGET;
4182 register I32 items = SP - MARK;
4183 unsigned long a[20];
4189 while (++MARK <= SP) {
4190 if (SvTAINTED(*MARK)) {
4196 TAINT_PROPER("syscall");
4199 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4200 * or where sizeof(long) != sizeof(char*). But such machines will
4201 * not likely have syscall implemented either, so who cares?
4203 while (++MARK <= SP) {
4204 if (SvNIOK(*MARK) || !i)
4205 a[i++] = SvIV(*MARK);
4206 else if (*MARK == &sv_undef)
4209 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4215 DIE("Too many args to syscall");
4217 DIE("Too few args to syscall");
4219 retval = syscall(a[0]);
4222 retval = syscall(a[0],a[1]);
4225 retval = syscall(a[0],a[1],a[2]);
4228 retval = syscall(a[0],a[1],a[2],a[3]);
4231 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4234 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4237 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4240 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4244 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4247 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4250 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4254 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4258 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4262 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4263 a[10],a[11],a[12],a[13]);
4265 #endif /* atarist */
4271 DIE(no_func, "syscall");
4275 #ifdef FCNTL_EMULATE_FLOCK
4277 /* XXX Emulate flock() with fcntl().
4278 What's really needed is a good file locking module.
4282 fcntl_emulate_flock(fd, operation)
4288 switch (operation & ~LOCK_NB) {
4290 flock.l_type = F_RDLCK;
4293 flock.l_type = F_WRLCK;
4296 flock.l_type = F_UNLCK;
4302 flock.l_whence = SEEK_SET;
4303 flock.l_start = flock.l_len = 0L;
4305 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4308 #endif /* FCNTL_EMULATE_FLOCK */
4310 #ifdef LOCKF_EMULATE_FLOCK
4312 /* XXX Emulate flock() with lockf(). This is just to increase
4313 portability of scripts. The calls are not completely
4314 interchangeable. What's really needed is a good file
4318 /* The lockf() constants might have been defined in <unistd.h>.
4319 Unfortunately, <unistd.h> causes troubles on some mixed
4320 (BSD/POSIX) systems, such as SunOS 4.1.3.
4322 Further, the lockf() constants aren't POSIX, so they might not be
4323 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4324 just stick in the SVID values and be done with it. Sigh.
4328 # define F_ULOCK 0 /* Unlock a previously locked region */
4331 # define F_LOCK 1 /* Lock a region for exclusive use */
4334 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4337 # define F_TEST 3 /* Test a region for other processes locks */
4341 lockf_emulate_flock (fd, operation)
4346 switch (operation) {
4348 /* LOCK_SH - get a shared lock */
4350 /* LOCK_EX - get an exclusive lock */
4352 i = lockf (fd, F_LOCK, 0);
4355 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4356 case LOCK_SH|LOCK_NB:
4357 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4358 case LOCK_EX|LOCK_NB:
4359 i = lockf (fd, F_TLOCK, 0);
4361 if ((errno == EAGAIN) || (errno == EACCES))
4362 errno = EWOULDBLOCK;
4365 /* LOCK_UN - unlock (non-blocking is a no-op) */
4367 case LOCK_UN|LOCK_NB:
4368 i = lockf (fd, F_ULOCK, 0);
4371 /* Default - can't decipher operation */
4380 #endif /* LOCKF_EMULATE_FLOCK */