diff options
Diffstat (limited to 'misc/tst-fdset.c')
-rw-r--r-- | misc/tst-fdset.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/misc/tst-fdset.c b/misc/tst-fdset.c new file mode 100644 index 0000000..ddd25c3 --- /dev/null +++ b/misc/tst-fdset.c @@ -0,0 +1,65 @@ +/* Test FD* macros. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Robert Bihlmeyer <robbe@orcus.priv.at>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <stdio.h> +#include <sys/types.h> + +int +main (void) +{ + int retval = 0; + int i; + fd_set set; + + FD_ZERO (&set); + for (i=0; i < FD_SETSIZE; ++i) + { + printf ("%d => check:", i); + if (FD_ISSET (i, &set) == 0) + fputs ("ok", stdout); + else + { + fputs ("nok", stdout); + retval = 1; + } + fputs (", set", stdout); + FD_SET (i, &set); + fputs (", check:", stdout); + if (FD_ISSET (i, &set) == 1) + fputs ("ok", stdout); + else + { + fputs ("nok", stdout); + retval = 1; + } + fputs (", clear", stdout); + FD_CLR (i, &set); + fputs (", check:", stdout); + if (FD_ISSET (i, &set) == 0) + puts ("ok"); + else + { + puts ("nok"); + retval = 1; + } + } + + return retval; +} |