Re: [PATCH] git.c: Re-introduce sane error messages on missing commands.

>On Wednesday June 28th 2006 Johannes Schindelin wrote:
>
>> [PATCH] save errno in handle_alias()
>> 
>> git.c:main() relies on the value of errno being set by the last attempt to 
>> execute the command. However, if something goes awry in handle_alias(), 
>> that assumption is wrong. So restore errno before returning from 
>> handle_alias().
>
>If we rely on the value of errno we should always immediately store it's
>value anyway. On some neolithic systems like the "MSVCRT.DLL" C runtime
>library on Windows (used by e.g. the Mingw compiler, don't know about
>Cygwin) a lot of runtime functions actually even reset the value of
>errno to 0 on success!