"lwconfig.c", line 438: remark(1506): implicit conversion from "long" to

          "unsigned char":  rounding, sign extension, or loss of accuracy may
          result

Fixed by ensuring suitable range before assignment.

lib/lwres/lwconfig.c

@@ -411,8 +411,7 @@ lwres_conf_parsesortlist(lwres_context_t *ctx,  FILE *fp) {
 }
 
 static lwres_result_t
-lwres_conf_parseoption(lwres_context_t *ctx,  FILE *fp)
-{
+lwres_conf_parseoption(lwres_context_t *ctx,  FILE *fp) {
 	int delim;
 	long ndots;
 	char *p;
@@ -435,6 +434,8 @@ lwres_conf_parseoption(lwres_context_t *ctx,  FILE *fp)
 			ndots = strtol(word + 6, &p, 10);
 			if (*p != '\0') /* Bad string. */
 				return (LWRES_R_FAILURE);
+			if (ndots < 0 || ndots > 0xff) /* Out of range. */
+				return (LWRES_R_FAILURE);
 			confdata->ndots = ndots;
 		}