1 2 /* 3 * Copyright (C) 2012 by Darren Reed. 4 * 5 * See the IPFILTER.LICENCE file for details on licencing. 6 * 7 * $Id$ 8 */ 9 10 #include "ipf.h" 11 12 13 int 14 count6bits(u_32_t *msk) 15 { 16 int i = 0, k; 17 u_32_t j; 18 19 for (k = 3; k >= 0; k--) 20 if (msk[k] == 0xffffffff) 21 i += 32; 22 else { 23 for (j = msk[k]; j; j <<= 1) 24 if (j & 0x80000000) 25 i++; 26 } 27 return (i); 28 } 29