Cast isdigit()'s argument to unsigned char.

ok guenther@

diff --git a/sys/lib/libsa/net.c b/sys/lib/libsa/net.c
index cd9f671..f2ccb46 100644 (file)
--- a/sys/lib/libsa/net.c
+++ b/sys/lib/libsa/net.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: net.c,v 1.18 2015/07/16 16:12:15 mpi Exp $    */
+/*     $OpenBSD: net.c,v 1.19 2015/10/26 02:33:07 mmcc Exp $   */
 /*     $NetBSD: net.c,v 1.14 1996/10/13 02:29:02 christos Exp $        */
 
 /*
@@ -233,7 +233,7 @@ intoa(u_int32_t addr)
 static const char *
 number(const char *s, int *n)
 {
-       for (*n = 0; isdigit(*s); s++)
+       for (*n = 0; isdigit((unsigned char)*s); s++)
                *n = (*n * 10) + *s - '0';
        return s;
 }