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Guard against argument starvation.

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Noted by:	aagero@aage.aage.priv.no
This commit is contained in:
jkh 1996-01-16 02:09:23 +00:00
parent 535a8056f5
commit 495cba1af3
1 changed files with 3 additions and 3 deletions
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6
usr.bin/host/host.c
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@ -67,7 +67,7 @@ char copyright[] =
*/
#ifndef lint
static char rcsid[] = "$Id: host.c,v 1.5 1995/10/23 16:07:56 peter Exp $";
static char rcsid[] = "$Id: host.c,v 1.6 1996/01/07 06:21:56 peter Exp $";
#endif /* not lint */
#include <sys/types.h>
@ -217,8 +217,8 @@ main(c, v)
_res.nscount = 1;
_res.retry = 2;
}
if (strcmp (v[1], ".") == 0 ||
!inet_aton(v[1], (struct in_addr *)&addr))
if (c > 1 && (strcmp (v[1], ".") == 0 ||
!inet_aton(v[1], (struct in_addr *)&addr)))
addr = -1;
hp = NULL;
h_errno = TRY_AGAIN;