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Add MAXHOSTNAMELEN check

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Obtained from: OpenBSD
This commit is contained in:
Andrey A. Chernov 1997-06-13 19:21:54 +00:00
parent 7887f03216
commit a14d48e67b
1 changed files with 3 additions and 1 deletions
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4
lib/libc/net/res_comp.c
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@ -56,7 +56,7 @@
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)res_comp.c 8.1 (Berkeley) 6/4/93";
static char orig_rcsid[] = "From: Id: res_comp.c,v 8.11 1996/12/02 09:17:22 vixie Exp";
static char rcsid[] = "$Id$";
static char rcsid[] = "$Id: res_comp.c,v 1.10 1997/02/22 15:00:29 peter Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
@ -95,6 +95,8 @@ dn_expand(msg, eomorig, comp_dn, exp_dn, length)
dn = exp_dn;
cp = comp_dn;
if (length > MAXHOSTNAMELEN-1)
length = MAXHOSTNAMELEN-1;
eom = exp_dn + length;
/*
* fetch next label in domain name