statzone

commit 225eeba87f86d29db7fb42f41f8e5fd341bf6e6b
parent 2f0c9ae4b69e7ca5ab362de948e61d89b87c73b3
Author: Frederic Cambus <fred@statdns.com>
Date:   Fri, 15 Feb 2019 13:04:08 +0100

Check if rdata isn't NULL before attempting to use its value.

Diffstat:
M
src/statzone.c
 | 
14
++++++++------

1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/src/statzone.c b/src/statzone.c
@@ -180,12 +180,14 @@ main(int argc, char *argv[]) {
 
 					rdata = strtok(NULL, "\n");
 
-					HASH_FIND_STR(uniqueNS, rdata, ns);
-
-					if (!ns) {
-						ns = malloc(sizeof(struct my_struct));
-						ns->domain = strdup(rdata);
-						HASH_ADD_STR(uniqueNS, domain, ns);
+					if (rdata) {
+						HASH_FIND_STR(uniqueNS, rdata, ns);
+
+						if (!ns) {
+							ns = malloc(sizeof(struct my_struct));
+							ns->domain = strdup(rdata);
+							HASH_ADD_STR(uniqueNS, domain, ns);
+						}
 					}
 				}