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Don't allow trailing garbage after the unit number in ifunit().

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Garrett Wollman 1996-06-05 17:12:41 +00:00
parent 6da5712b60
commit 58639ed39a
1 changed files with 3 additions and 1 deletions
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4
sys/net/if.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)if.c 8.3 (Berkeley) 1/4/94
* $Id: if.c,v 1.28 1996/02/08 21:34:56 wollman Exp $
* $Id: if.c,v 1.29 1996/03/11 15:13:00 davidg Exp $
*/
#include <sys/param.h>
@ -452,6 +452,8 @@ ifunit(name)
ep = cp;
for (unit = 0; *cp >= '0' && *cp <= '9'; )
unit = unit * 10 + *cp++ - '0';
if (*cp != '\0')
return 0; /* no trailing garbage allowed */
*ep = 0;
for (ifp = ifnet; ifp; ifp = ifp->if_next) {
if (bcmp(ifp->if_name, name, len))