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30 lines
484 B
C
30 lines
484 B
C
/* $NetBSD: count6bits.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $ */
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/*
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* Copyright (C) 2012 by Darren Reed.
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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* Id: count6bits.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $
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*/
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#include "ipf.h"
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int count6bits(msk)
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u_32_t *msk;
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{
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int i = 0, k;
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u_32_t j;
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for (k = 3; k >= 0; k--)
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if (msk[k] == 0xffffffff)
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i += 32;
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else {
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for (j = msk[k]; j; j <<= 1)
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if (j & 0x80000000)
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i++;
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}
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return i;
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}
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