Re: [iproute PATCH v2 0/3] Check user supplied interface name lengths

I was thinking something like:

diff --git a/include/utils.h b/include/utils.h
index c9ed230b9604..e2702b56f2e0 100644
--- a/include/utils.h
+++ b/include/utils.h

@@ -105,6 +105,8 @@ int get_be64(__be64 *val, const char *arg, int base);
 int get_be32(__be32 *val, const char *arg, int base);
 int get_be16(__be16 *val, const char *arg, int base);
 int get_addr64(__u64 *ap, const char *cp);
+int check_ifname(const char *arg);
+int get_ifname(char *buf, const char *arg);