From 12347e90669d7fb88b65e1f2f2963c4210f611b7 Mon Sep 17 00:00:00 2001
From: tTh <tth@redlady.dinorama.fr>
Date: Sun, 8 Oct 2023 07:28:57 +0200
Subject: [PATCH] add a molly guard

---
 funcs/dithering.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/funcs/dithering.c b/funcs/dithering.c
index e11c5b8..9144e98 100644
--- a/funcs/dithering.c
+++ b/funcs/dithering.c
@@ -23,6 +23,11 @@ fprintf(stderr, ">>> %s ( %p %p 0x%04x )\n", __func__, psrc, pdst, flags);
 
 if (flags) { fprintf(stderr, "flags: 0x%04x in %s\n", flags, __func__); }
 
+if (fimg_images_not_compatible(psrc, pdst)) {
+	fprintf(stderr, "%s: shit happen\n", __func__);
+	return -2;
+	}
+
 for (y=0; y<psrc->height; y++) {
 
 	for (x=0; x<psrc->width; x++)