-fix memory leak

2 files changed, 32 insertions, 2 deletions

diff --git a/src/include/taler_mhd_lib.h b/src/include/taler_mhd_lib.h
index 3af413fa8..aba7cd8e2 100644
--- a/src/include/taler_mhd_lib.h
+++ b/src/include/taler_mhd_lib.h
@@ -125,6 +125,21 @@ TALER_MHD_reply_json (struct MHD_Connection *connection,
 
 
 /**
+ * Send JSON object as response, and free the @a json
+ * object.
+ *
+ * @param connection the MHD connection
+ * @param json the json object (freed!)
+ * @param response_code the http response code
+ * @return MHD result code
+ */
+MHD_RESULT
+TALER_MHD_reply_json_steal (struct MHD_Connection *connection,
+                            json_t *json,
+                            unsigned int response_code);
+
+
+/**
  * Function to call to handle the request by building a JSON
  * reply from a format string and varargs.
  *
@@ -151,8 +166,8 @@ TALER_MHD_reply_json_pack (struct MHD_Connection *connection,
  * @return MHD result code
  */
 #define TALER_MHD_REPLY_JSON_PACK(connection,response_code,...) \
-  TALER_MHD_reply_json (connection, GNUNET_JSON_PACK (__VA_ARGS__), \
-                        response_code)
+  TALER_MHD_reply_json_steal (connection, GNUNET_JSON_PACK (__VA_ARGS__), \
+                              response_code)
 
 
 /**
diff --git a/src/mhd/mhd_responses.c b/src/mhd/mhd_responses.c
index 6b96de55d..b7ff52e66 100644
--- a/src/mhd/mhd_responses.c
+++ b/src/mhd/mhd_responses.c
@@ -220,6 +220,21 @@ TALER_MHD_reply_json (struct MHD_Connection *connection,
 
 
 MHD_RESULT
+TALER_MHD_reply_json_steal (struct MHD_Connection *connection,
+                            json_t *json,
+                            unsigned int response_code)
+{
+  MHD_RESULT ret;
+
+  ret = TALER_MHD_reply_json (connection,
+                              json,
+                              response_code);
+  json_decref (json);
+  return ret;
+}
+
+
+MHD_RESULT
 TALER_MHD_reply_cors_preflight (struct MHD_Connection *connection)
 {
   struct MHD_Response *response;