There is a possibility that nodesetval is NULL even if the type is set.

1 files changed, 1 insertions, 1 deletions

diff --git a/gxpd.c b/gxpd.c
index 6c569b4..70cd2bf 100644
--- a/gxpd.c
+++ b/gxpd.c
@@ -100,7 +100,7 @@ gxpd(char *fn, const char *xpath_query, const char *prefix)
 				xpath_query, fn);
 		exit(1);
 	}
-	if (obj->type != XPATH_NODESET) {
+	if (obj->type != XPATH_NODESET || obj->nodesetval == NULL) {
 		fprintf(stderr, "XPath expression '%s' did not match a nodeset.\n", xpath_query);
 		exit(1);
 	}