add analyzer and fix some reported issues

1 files changed, 3 insertions, 0 deletions

diff --git a/src/res.c b/src/res.c
index 12d25ce..1d2b25b 100644
--- a/src/res.c
+++ b/src/res.c
@@ -26,6 +26,9 @@ static void res_expand(struct res *r)
 struct res *res_create()
 {
 	struct res *r = malloc(sizeof(struct res));
+	if (!r)
+		return NULL;
+
 	r->n = 0;
 	/* arbitrary number */
 	r->max = 1024;