| Current Path : /usr/src/contrib/ipfilter/lib/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ipfilter/lib/count6bits.c |
/* $FreeBSD: release/9.1.0/contrib/ipfilter/lib/count6bits.c 170268 2007-06-04 02:54:36Z darrenr $ */
/*
* Copyright (C) 2000-2001 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: count6bits.c,v 1.4.4.1 2006/06/16 17:20:57 darrenr Exp $
*/
#include "ipf.h"
int count6bits(msk)
u_32_t *msk;
{
int i = 0, k;
u_32_t j;
for (k = 3; k >= 0; k--)
if (msk[k] == 0xffffffff)
i += 32;
else {
for (j = msk[k]; j; j <<= 1)
if (j & 0x80000000)
i++;
}
return i;
}