1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * Copyright (C) 1993-2001 by Darren Reed.
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * See the IPFILTER.LICENCE file for details on licencing.
5*0Sstevel@tonic-gate *
6*0Sstevel@tonic-gate * $Id: count6bits.c,v 1.4 2001/06/09 17:09:23 darrenr Exp $
7*0Sstevel@tonic-gate */
8*0Sstevel@tonic-gate
9*0Sstevel@tonic-gate #include "ipf.h"
10*0Sstevel@tonic-gate
11*0Sstevel@tonic-gate
count6bits(msk)12*0Sstevel@tonic-gate int count6bits(msk)
13*0Sstevel@tonic-gate u_32_t *msk;
14*0Sstevel@tonic-gate {
15*0Sstevel@tonic-gate int i = 0, k;
16*0Sstevel@tonic-gate u_32_t j;
17*0Sstevel@tonic-gate
18*0Sstevel@tonic-gate for (k = 3; k >= 0; k--)
19*0Sstevel@tonic-gate if (msk[k] == 0xffffffff)
20*0Sstevel@tonic-gate i += 32;
21*0Sstevel@tonic-gate else {
22*0Sstevel@tonic-gate for (j = msk[k]; j; j <<= 1)
23*0Sstevel@tonic-gate if (j & 0x80000000)
24*0Sstevel@tonic-gate i++;
25*0Sstevel@tonic-gate }
26*0Sstevel@tonic-gate return i;
27*0Sstevel@tonic-gate }
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