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fix if_set for architectures with sizeof(long) != 4. IF_xxx behaved badly. 

(no fear of overrun, since index was mistakenly computed to too small value)
This commit is contained in:
itojun 2001-02-10 02:10:14 +00:00
parent b023fbbf99
commit 20e2452579
1 changed files with 4 additions and 4 deletions
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8
sys/netinet6/ip6_mroute.h
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@ -1,5 +1,5 @@
/* $NetBSD: ip6_mroute.h,v 1.7 2000/05/19 10:39:44 itojun Exp $ */
/* $KAME: ip6_mroute.h,v 1.9 2000/04/12 07:28:20 jinmei Exp $ */
/* $NetBSD: ip6_mroute.h,v 1.8 2001/02/10 02:10:14 itojun Exp $ */
/* $KAME: ip6_mroute.h,v 1.17 2001/02/10 02:05:52 itojun Exp $ */
/*
* Copyright (C) 1998 WIDE Project.
@ -79,7 +79,7 @@ typedef u_short mifi_t; /* type of a mif index */
#define IF_SETSIZE 256
#endif
typedef long if_mask;
typedef u_int32_t if_mask;
#define NIFBITS (sizeof(if_mask) * NBBY) /* bits per mask */
#ifndef howmany
@ -87,7 +87,7 @@ typedef long if_mask;
#endif
typedef struct if_set {
fd_mask ifs_bits[howmany(IF_SETSIZE, NIFBITS)];
if_mask ifs_bits[howmany(IF_SETSIZE, NIFBITS)];
} if_set;
#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))