lib: Allow json to work across different versions.

The json_object_object_get_ex function is not fully available
across all versions of json.  Write a wrapper to allow
it to work.

Ticket: CM-13872
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/json.c b/lib/json.c
index 3edd146a8f..ccbecb726a 100644
--- a/lib/json.c
+++ b/lib/json.c
@@ -87,3 +87,18 @@ json_object_free(struct json_object *obj)
 {
   json_object_put(obj);
 }
+
+#if !defined(HAVE_JSON_C_JSON_H)
+int
+json_object_object_get_ex(struct json_object *obj,
+			  const char *key,
+			  struct json_object **value)
+{
+  *value = json_object_object_get(obj, key);
+
+  if (*value)
+    return 1;
+
+  return 0;
+}
+#endif