That's a 1-clause BSD license; looks fine to me. It's not explicitly listed on resolved.html because 1-clause is not very common (compared to 2-clause and 3-clause versions of BSD).


On Fri, Nov 18, 2016 at 4:45 AM, Fabio Utzig <> wrote:

To add support for the FAT filesystem to Apache Mynewt my PR introduced
Elm-Chan's FatFs driver (

There is no license file on the original package but source code files
have the following header:

/  FatFs - Generic FAT file system module  R0.12b
/ Copyright (C) 2016, ChaN, all right reserved.
/ FatFs module is an open source software. Redistribution and use of
FatFs in
/ source and binary forms, with or without modification, are permitted
/ that the following condition is met:

/ 1. Redistributions of source code must retain the above copyright
/    this condition and the following disclaimer.
/ This software is provided by the copyright holder and contributors "AS
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages
/ by use of this software.

Also some extra FAQ about it here:

Looks good to me but I would like to know from experts if including it
could taint an Apache project in any way.

Fabio Utzig

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