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/* Test FD* macros.
Copyright (C) 1997-2013 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#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))
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;
}
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