From fcd705ae7e56e41a50bd0d6964ee0d6a8fe7fb89 Mon Sep 17 00:00:00 2001
From: Marc Balmer <marc@msys.ch>
Date: Sat, 20 Feb 2016 09:24:18 +0100
Subject: [PATCH] check end pointer for validity before decoding a string

---
 luajson.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/luajson.c b/luajson.c
index 8559603..5ee2e93 100644
--- a/luajson.c
+++ b/luajson.c
@@ -200,6 +200,8 @@ decode_string(lua_State *L, char **s)
 		if (**s == '"' && (*((*s) - 1) != '\\'))
 			end = *s;
 	}
+	if (end == NULL)
+		return;
 	*s = beginning;
 	len = strlen(*s);
 	newstr = malloc(len + 1);
@@ -562,7 +564,7 @@ json_set_info(lua_State *L)
 	lua_pushliteral(L, "JSON encoder/decoder for Lua");
 	lua_settable(L, -3);
 	lua_pushliteral(L, "_VERSION");
-	lua_pushliteral(L, "json 1.2.5");
+	lua_pushliteral(L, "json 1.2.6");
 	lua_settable(L, -3);
 }