From 9afbfcf40e94b6c8eda9ce12c6942b397ad258ae Mon Sep 17 00:00:00 2001
From: Philipp Schafft <lion@lion.leolix.org>
Date: Sun, 4 Oct 2020 08:54:32 +0000
Subject: [PATCH] Update: Made json_renderer_finish() take a pointer to the
 renderer

---
 src/json.c | 9 ++++++++-
 src/json.h | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/json.c b/src/json.c
index be946507..c25bd0db 100644
--- a/src/json.c
+++ b/src/json.c
@@ -102,10 +102,17 @@ json_renderer_t * json_renderer_create(unsigned int flags)
     return renderer;
 }
 
-char * json_renderer_finish(json_renderer_t *renderer)
+char * json_renderer_finish(json_renderer_t **rendererptr)
 {
+    json_renderer_t *renderer;
     char *ret;
 
+    if (!rendererptr)
+        return NULL;
+
+    renderer = *rendererptr;
+    *rendererptr = NULL;
+
     if (!renderer)
         return NULL;
 
diff --git a/src/json.h b/src/json.h
index 4468891f..ac60ac4a 100644
--- a/src/json.h
+++ b/src/json.h
@@ -24,7 +24,7 @@ typedef struct json_renderer_tag json_renderer_t;
 
 json_renderer_t * json_renderer_create(unsigned int flags);
 
-char * json_renderer_finish(json_renderer_t *renderer);
+char * json_renderer_finish(json_renderer_t **rendererptr);
 
 void json_renderer_begin(json_renderer_t *renderer, json_element_type_t type);
 void json_renderer_end(json_renderer_t *renderer);