freebsd-src/sbin/ipf/libipf/count6bits.c
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2023-08-16 11:54:29 -06:00

29 lines
356 B
C

/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id$
*/
#include "ipf.h"
int
count6bits(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);
}