switch to using snprintf from sprintf

diff --git a/lib/dns/rdata/generic/caa_257.c b/lib/dns/rdata/generic/caa_257.c
index 8d9e8ad0d7121c6acb62c90b4b3259e4135710b9..8440fb40e0f9273857ad9bac2bb61de6857c6c83 100644 (file)
--- a/lib/dns/rdata/generic/caa_257.c
+++ b/lib/dns/rdata/generic/caa_257.c
@@ -95,7 +95,7 @@ totext_caa(ARGS_TOTEXT) {
         * Flags
         */
        flags = uint8_consume_fromregion(&region);
-       sprintf(buf, "%u ", flags);
+       snprintf(buf, sizeof(buf), "%u ", flags);
        RETERR(str_totext(buf, target));
 
        /*