From 0121cdb6d851e361386d367595ee7f49125af031 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sun, 14 Apr 2019 11:38:20 +0100
Subject: [PATCH] Implement MapBlock() in Xbox FAT.

---
 DiscImageChef.Filesystems/FATX/File.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/DiscImageChef.Filesystems/FATX/File.cs b/DiscImageChef.Filesystems/FATX/File.cs
index 83e04c04f..4f40c53af 100644
--- a/DiscImageChef.Filesystems/FATX/File.cs
+++ b/DiscImageChef.Filesystems/FATX/File.cs
@@ -46,7 +46,17 @@ namespace DiscImageChef.Filesystems.FATX
             deviceBlock = 0;
             if(!mounted) return Errno.AccessDenied;
 
-            throw new NotImplementedException();
+            Errno err = Stat(path, out FileEntryInfo stat);
+
+            if(err != Errno.NoError) return err;
+
+            uint[] clusters = GetClusters((uint)stat.Inode);
+
+            if(fileBlock >= clusters.Length) return Errno.InvalidArgument;
+
+            deviceBlock = (long)(firstClusterSector + (clusters[fileBlock] - 1) * sectorsPerCluster);
+
+            return Errno.NoError;
         }
 
         public Errno GetAttributes(string path, out FileAttributes attributes)