[Xcb] Win32 port - pls review

[Peter Harris]

On 2010-03-31 13:49, Jamey Sharp wrote:
> On Wed, Mar 31, 2010 at 09:51:33AM -0700, Barton C Massey wrote:
>> In message <201003312215.43723.jeetu.golani at gmail.com> you wrote:
>>> a) xcb should initialize errno to 0 before calling select for all it's 
>>> variants - *ix  and Win32.
>>
>> You often want (a) for the *ix case anyway; I'd just go
>> there.
> 
> Fine with me, but I thought there were platforms where you can't assign
> to errno--in fact, I thought Win32 was one of those platforms?

errno "expands to a modifiable lvalue" since at least C89, so even MS's
"stuck in 1990" environment supports it.

It wouldn't surprise me to learn that MS's errno wasn't modifiable in
the 1980s, though.

You can't assign errno on WinCE, but that's because WinCE doesn't even
have errno (due to it being a minimal "freestanding" environment).

Peter Harris
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