match.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2012, 2014 Free Software Foundation, Inc.
This 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 3 of the License, or (at your option) any later version.
This 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 this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <mailutils/cidr.h>
#include <mailutils/errno.h>
int
mu_cidr_match (struct mu_cidr *a, struct mu_cidr *b)
{
int i;
if (a->family != b->family)
return 1;
for (i = 0; i < a->len; i++)
{
if (a->address[i] != (b->address[i] & a->netmask[i]))
return 1;
}
return 0;
}