xf86-input-mouse signed/unsigned issue with Microsoft protocol

[Michel Dänzer]

On Mon, 2009-08-31 at 08:27 -0500, Donald Kayser wrote: 
> This same code segment works under previous versions on this powerpc  
> (2.4 kernel, old xf86 on sarge debian distribution. This is the second  
> time on my current project that this has bitten me. I am wondering  
> when it changed from behaving as if char is signed, which BTW has been  
> the 'norm' for my programming life, to unsigned char. It seems that  
> this is a gcc change of behavior as I would never have had to specify  
> 'signed char' previously.

The Linux/PPC ABI has been like this at least since I started using it
around 1998/9, probably for as long as it exists.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer