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-rw-r--r--sys/libkern/strncmp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/libkern/strncmp.c b/sys/libkern/strncmp.c
index f209e54..e3c4327 100644
--- a/sys/libkern/strncmp.c
+++ b/sys/libkern/strncmp.c
@@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id$
+ * $Id: strncmp.c,v 1.2 1996/08/28 20:32:21 bde Exp $
*/
#include <sys/cdefs.h>
@@ -46,7 +46,8 @@ strncmp(s1, s2, n)
return (0);
do {
if (*s1 != *s2++)
- return (*(unsigned char *)s1 - *(unsigned char *)--s2);
+ return (*(const unsigned char *)s1 -
+ *(const unsigned char *)(s2 - 1));
if (*s1++ == 0)
break;
} while (--n != 0);
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