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Don't require the size of sockaddr to be rounded up if it was the last one

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and was netmask.
This commit is contained in:
enami 2000-11-10 03:37:42 +00:00
parent d86faab485
commit 7d3b20fb20
1 changed files with 19 additions and 5 deletions
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24
sys/net/rtsock.c
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@ -1,4 +1,4 @@
/* $NetBSD: rtsock.c,v 1.43 2000/10/19 01:07:42 itojun Exp $ */
/* $NetBSD: rtsock.c,v 1.44 2000/11/10 03:37:42 enami Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -468,10 +468,24 @@ rt_xaddrs(cp, cplim, rtinfo)
rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;
ADVANCE(cp, sa);
}
/* Check for bad data length, or extra addresses specified */
if ( (cp != cplim) || (rtinfo->rti_addrs & (~0 << i)) )
return 1;
return 0;
/* Check for extra addresses specified. */
if ((rtinfo->rti_addrs & (~0 << i)) != 0)
return (1);
/* Check for bad data length. */
if (cp != cplim) {
if (i == RTAX_NETMASK + 1 &&
cp - ROUNDUP(sa->sa_len) + sa->sa_len == cplim)
/*
* The last sockaddr was netmask.
* We accept this for now for the sake of old
* binaries or third party softwares.
*/
;
else
return (1);
}
return (0);
}
static struct mbuf *