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Fun with vDOS (Emulation)

posted by bocke(R), 18.10.2014, 07:24
(edited by bocke on 18.10.2014, 08:06)

This sounds interesting.

> vDOS is a fork of
> DOSBOX intended to run DOS business applications. (The author explicitly
> says that if you want to run games, use DOSBOX.) It's not cross-platform,
> and specific to current 64 bit Windows platforms.

I looked into the sources. He stripped all the licensing info which is against the license that Dosbox uses (GPL v2 I think). Comment headers are necessary for abiding the original license. Also, a copy of license HAS to go with the software. This way he stripped the names of all the people that worked on Dosbox before.

On the other side, sources seem to be well organized and really readable. So, that's the plus point if he fixes the licensing issues.

Anyway I didn't see much of Windows specific stuff. Messagebox here and there. Even the printing code uses external programs like ghostscript. It might be still portable with a few changes.


The binary distribution seems to have the license file. But still, that's not enough to abide the license itself:

> To do so, attach the following notices to the program. It is safest to attach them to the start of
> each source file to most effectively convey the exclusion of warranty; and each file should
> have at least the "copyright" line and a pointer to where the full notice is found.
> one line to give the program's name and

So, the sources have to have at least the "copyright line" included.

The readme file contains something like:

> vDos is provided 'as-is', without any express or implied warranty. In no event can the author be held
> liable for any damages arising from the use of this software.
> Permission is granted to anyone to use this software for any purpose, including commercial
> applications.
> To alter it and redistribute your own version is subject to the following restrictions:
> ? The origin of this software (DOSBox/vDos) must not be misrepresented; you must not claim that
> you wrote the original software.
> ? You must make available all files needed to compile it into your version.

That actually is a GPL retold in a few sentences, but that's not enough by itself. He should've point the reader to license.pdf too.

Also he omittes the names of the original authors. Who made DOSBox? The names?

The license should be included with the sources too. Including maybe the other docs.


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