Fix an off-by-one error in catz_opt_cmp() function

This commit fixes an off-by-one error in catz_opt_cmp() function which
was resulting in ignoring the last character of the compared string.

diff --git a/lib/dns/catz.c b/lib/dns/catz.c
index 3f60afaf35c87ab3c6c25ed359b0e76973c6251b..f946d9dab6d51450cdbfb1259851eec3cc1d6c1f 100644 (file)
--- a/lib/dns/catz.c
+++ b/lib/dns/catz.c
@@ -886,9 +886,10 @@ typedef enum {
 
 static bool
 catz_opt_cmp(const dns_label_t *option, const char *opt) {
-       unsigned int l = strlen(opt);
-       if (option->length - 1 == l &&
-           memcmp(opt, option->base + 1, l - 1) == 0) {
+       size_t len = strlen(opt);
+
+       if (option->length - 1 == len &&
+           memcmp(opt, option->base + 1, len) == 0) {
                return (true);
        } else {
                return (false);