[master] silence coverity warnings

- remove dead code in server.c
- initialize a struct tm.c

bin/named/server.c

@@ -1399,10 +1399,8 @@ check_dbtype(dns_zone_t *zone, unsigned int dbtypec, const char **dbargv,
 	 * Check that all the arguments match.
 	 */
 	for (i = 0; i < dbtypec; i++)
-		if (argv[i] == NULL || strcmp(argv[i], dbargv[i]) != 0) {
+		if (argv[i] == NULL || strcmp(argv[i], dbargv[i]) != 0)
 			CHECK(ISC_R_FAILURE);
-			break;
-		}
 
 	/*
 	 * Check that there are not extra arguments.

bin/tests/names/t_names.c

@@ -823,7 +823,6 @@ t_dns_name_fullcompare(void) {
 	if (fp != NULL) {
 		line = 0;
 		while ((p = t_fgetbs(fp)) != NULL) {
-
 			++line;
 
 			/*
@@ -851,8 +850,8 @@ t_dns_name_fullcompare(void) {
 				else if (!strcmp(Tokens[2], "commonancestor"))
 					reln = dns_namereln_commonancestor;
 				else {
-					t_info("bad format at line %d\n",
-					       line);
+					t_info("bad format at line %d\n", line);
+					(void)free(p);
 					continue;
 				}
 				result = test_dns_name_fullcompare(

lib/isc/tm.c

@@ -147,6 +147,12 @@ isc_tm_strptime(const char *buf, const char *fmt, struct tm *tm) {
 	size_t len = 0;
 	int alt_format, i, split_year = 0;
 
+	REQUIRE(buf != NULL);
+	REQUIRE(fmt != NULL);
+	REQUIRE(tm != NULL);
+
+	memset(tm, 0, sizeof(struct tm));
+
 	bp = buf;
 
 	while ((c = *fmt) != '\0') {