On Tue, 2022-04-26 at 12:56 +0200, Eduardo Casino wrote:
> 
> It is correct that VMWare does not provide guest additions for DOS,
> that is why I developed vmsmount, which implements just the shared
> folders interface. 


Wow vmsmount code is very nice! One of the cleanest examples of a
redirector in Watcom C that I have seen. Wish I had seen this before.
The only other one I knew is EtherDFS. 

Add mine to the list of GPL Watcom C redirectors now, not as clean :)
https://git.javispedro.com/cgit/vbados.git/tree/sftsr.c
(Targeting VirtualBox, see the other email for details)

I actually based it on the 1st edition of Undocumented DOS aka Pascal,
not the 2nd...
Is there any DOS program you'd recommend to exercise uncommon/likely
broken functionality in a redirector? Something that you remember
brought a headache or two? 

For example for the SeekFromEnd() function I never found any DOS
program using it, so I also found no reason to implement it ....
But Windows 9x does call it (even notepad crashes without it).

Thanks,
Javier.


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