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Fix uninitialized pointer botch when attempting to flush an already

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empty routing table.  From Matthias Scheler <tron@lyssa.owl.de>, in
PR #4074.
This commit is contained in:
thorpej 1997-09-02 00:30:49 +00:00
parent e531f18c8b
commit 1f0fddb7d1
1 changed files with 4 additions and 2 deletions
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6
sbin/route/route.c
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@ -1,4 +1,4 @@
/* $NetBSD: route.c,v 1.21 1997/04/27 16:58:22 thorpej Exp $ */
/* $NetBSD: route.c,v 1.22 1997/09/02 00:30:49 thorpej Exp $ */
/*
* Copyright (c) 1983, 1989, 1991, 1993
@ -43,7 +43,7 @@ static char copyright[] =
#if 0
static char sccsid[] = "@(#)route.c 8.3 (Berkeley) 3/19/94";
#else
static char rcsid[] = "$NetBSD: route.c,v 1.21 1997/04/27 16:58:22 thorpej Exp $";
static char rcsid[] = "$NetBSD: route.c,v 1.22 1997/09/02 00:30:49 thorpej Exp $";
#endif
#endif /* not lint */
@ -281,6 +281,8 @@ bad: usage(*argv);
mib[5] = 0; /* no flags */
if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0)
quit("route-sysctl-estimate");
if (needed == 0)
return;
if ((buf = malloc(needed)) == NULL)
quit("malloc");
if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0)