Avoid uninitialized variable warnings

Fix json_object_object_foreach to avoid uninitialized variable warnings
using ANSI C or MSC.

diff --git a/json_object.h b/json_object.h
index 4b7a24617d8b56ed3a63c9bd7ea5e9f16b48d1be..073d80c61757aa03770c2205ea9fd660b31c1c25 100644 (file)
--- a/json_object.h
+++ b/json_object.h
@@ -529,8 +529,8 @@ JSON_EXPORT void json_object_object_del(struct json_object* obj, const char *key
 #else /* ANSI C or MSC */
 
 # define json_object_object_foreach(obj,key,val) \
-       char *key;\
-       struct json_object *val; \
+       char *key = NULL;\
+       struct json_object *val = NULL; \
        struct lh_entry *entry ## key; \
        struct lh_entry *entry_next ## key = NULL; \
        for(entry ## key = json_object_get_object(obj)->head; \