strlen returns a size_t

diff --git a/ykchalresp.c b/ykchalresp.c
index c307048b86228a46c33176a159283bed1923cb57..6693d538df209e836002baee990798ea90e137dc 100644 (file)
--- a/ykchalresp.c
+++ b/ykchalresp.c
@@ -123,7 +123,7 @@ static int parse_args(int argc, char **argv,
        if (hex_encoded) {
                static unsigned char decoded[SHA1_MAX_BLOCK_SIZE];
 
-               int strl = strlen(argv[optind]);
+               size_t strl = strlen(argv[optind]);
 
                if (strl > sizeof(decoded) * 2) {
                        fprintf(stderr, "Hex-encoded challenge too long (max %lu chars)\n",