char vs. unsigned char

[Riccardo Mottola]

Hi,

a developer question. I got LuserNET working again! another application 
almost saved from bitrot :)

I get however a lot of warnings about signedess in char*. In several 
palces data buffers are specified as unsigned char, while in other 
places data coming from those buffers is used as char*, including when 
passing to C functions like atoi().

My simple knowledge would say that usually one can just use char* when 
treating the content as binary or as string. While signeddess matters 
when numbers are stored.

I converted many buffers and structs. Everything continues to work as 
far as I can see.

Could someone comment? check my patch at least by skimming over it?

I wonder why these were declared as unsigned as first.

Riccardo

signed-chars.patch
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