X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Futils.c;h=129622b24b83e86eb80d417f8445d64964152467;hp=e750450e8bc3cf203843378e99f123a7681f86f3;hb=6dfdb323612184529b4b83c1be914dda8262de47;hpb=9e76c464b26b066e1eb3aa5232e573792e28020d

diff --git a/src/utils.c b/src/utils.c
index e750450e..129622b2 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -48,7 +48,7 @@ static int charb64decode(char c) {
 
 int hex2bin(const char *src, char *dst, int length) {
 	int i;
-	for(i = 0; i < length && src[i * 2] && src[i * 2 + 1]; i++)
+	for(i = 0; i < length && isxdigit(src[i * 2]) && isxdigit(src[i * 2 + 1]); i++)
 		dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
 	return i;
 }