From 7b5f52d77d38d03015de9c9df9bc155fd4b3a259 Mon Sep 17 00:00:00 2001
From: Philipp Schafft <lion@lion.leolix.org>
Date: Sun, 4 Oct 2020 10:45:51 +0000
Subject: [PATCH] Fix: Corrected memory allocator

---
 src/json.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/json.c b/src/json.c
index c25bd0db..7a001b9c 100644
--- a/src/json.c
+++ b/src/json.c
@@ -48,6 +48,9 @@ static int allocate_buffer(json_renderer_t *renderer, size_t needed)
     if (!renderer->valid)
         return 1;
 
+    if (have)
+        have--;
+
     if (have < required) {
         size_t want;
         char *n;
@@ -65,6 +68,7 @@ static int allocate_buffer(json_renderer_t *renderer, size_t needed)
             return 1;
 
         renderer->buffer = n;
+        renderer->bufferlen = want;
     }
 
     return 0;