# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1432547903 -10800
# Node ID 4e074b9b4789b25088e1e935377effe427744c91
# Parent  aa6e8a24b94b1e652782b07d78b01a26687c2bde
Improve IFF FORM validity error message.

diff -r aa6e8a24b94b -r 4e074b9b4789 src/libgfx.c
--- a/src/libgfx.c	Mon May 25 12:58:02 2015 +0300
+++ b/src/libgfx.c	Mon May 25 12:58:23 2015 +0300
@@ -1479,7 +1479,8 @@
         chunk.size < 32)
     {
         return dmError(DMERR_NOT_SUPPORTED,
-            "ILBM: Not a IFF file.\n");
+            "ILBM: Not a IFF file (%08X vs %08X / %d).\n",
+            chunk.id, IFF_ID_FORM, chunk.size);
     }
 
     // Check IFF ILBM signature