[Scummvm-devel] eof & err

[Willem Jan Palenstijn]

On Sun, Jul 12, 2009 at 09:44:44PM +0200, sunmax at libero.it wrote:
> >> Just returning 0 directly without doing anything when length
> >> is 0 is ok.
> 
> Ok, I will add this extra condition.
> 
> Just to be sure: is that the expected semantics of read (ie,
> to return 0 when we are at the end of the file, on a 0 size
> read without setting eof?), or we are just hacking it in?

That's the expected behaviour, matching POSIX fread (which our streams
are modelled after):

"
If size or nitems is 0, fread() shall return 0 and the contents of the
array and the state of the stream remain unchanged.
"

-Willem Jan