From 77377be35acb8c9a7c437248c6ef9eb87f589004 Mon Sep 17 00:00:00 2001
From: David Lamparter <equinox@diac24.net>
Date: Thu, 10 Oct 2013 23:22:25 +0000
Subject: async support (more or less)

---
 jsonrpc.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'jsonrpc.c')

diff --git a/jsonrpc.c b/jsonrpc.c
index a02bbaa..54ad96c 100644
--- a/jsonrpc.c
+++ b/jsonrpc.c
@@ -6,6 +6,9 @@
 #include <jansson.h>
 #include "jsonrpc.h"
 
+int dummy = 0;
+json_t *jsonrpc_async_dummy = (json_t *)&dummy;
+
 json_t *jsonrpc_error_object(int code, json_t *data)
 {
 	// reference to data is stolen
@@ -199,7 +202,11 @@ json_t *jsonrpc_handle_request_single(void *apparg, json_t *json_request, struct
 		json_result = NULL;
 	} else {
 		if (rc==0) {
-			json_response = jsonrpc_result_response(json_id, json_result);
+			if (json_result == jsonrpc_async_dummy)
+				json_response = NULL;
+			else
+				json_response = jsonrpc_result_response(
+					json_id, json_result);
 		} else if (rc==JSONRPC_INVALID_PARAMS) {
 			json_response = jsonrpc_error_response(json_id,
 					jsonrpc_error_object(JSONRPC_INVALID_PARAMS, json_result));
-- 
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