From 5f0e651edea3139b5fbc27cc4c0cc4a3cba773b5 Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Sun, 9 Nov 2008 15:54:21 +0100
Subject: [PATCH] image: check image width and height

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 image.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/image.c b/image.c
index 23133289d..8428257fe 100644
--- a/image.c
+++ b/image.c
@@ -176,6 +176,10 @@ luaA_image_new(lua_State *L)
     {
         int width = luaL_checknumber(L, 3);
         int height = luaL_checknumber(L, 4);
+
+        if(width <= 0 || height <= 0)
+            luaL_error(L, "request image has invalid size");
+
         Imlib_Image imimage = imlib_create_image(width, height);
         image_t *image = p_new(image_t, 1);
         image->image = imimage;