unsigned constants

diff --git a/bin/named/builtin.c b/bin/named/builtin.c
index 754e73d32506546ab35e30cb7b5fc0d75551c3fb..14204cd295c6d651e13b92c1cfe1094a255bd569 100644 (file)
--- a/bin/named/builtin.c
+++ b/bin/named/builtin.c
@@ -99,9 +99,9 @@ static size_t
 dns64_rdata(unsigned char *v, size_t start, unsigned char *rdata) {
        size_t i, j = 0;
 
-       for (i = 0; i < 4; i++) {
+       for (i = 0; i < 4U; i++) {
                unsigned char c = v[start++];
-               if (start == 7)
+               if (start == 7U)
                        start++;
                if (c > 99) {
                        rdata[j++] = 3;
@@ -164,7 +164,7 @@ dns64_cname(const dns_name_t *zone, const dns_name_t *name,
        i = (nlen % 4) == 2U ? 1 : 0;
        j = nlen;
        memset(v, 0, sizeof(v));
-       while (j != 0) {
+       while (j != 0U) {
                INSIST((i/2) < sizeof(v));
                if (ndata[0] != 1)
                        return (ISC_R_NOTFOUND);