Re: [RFH] Flush progress message buffer in display().

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On Mon, 19 Nov 2007, Junio C Hamano wrote:

> Johannes Sixt <johannes.sixt@xxxxxxxxxx> writes:
> 
> > I need this patch on Windows because appearently progress output is buffered
> > by stdio. Why doesn't Linux/glibc's stdio buffer output that goes to a pipe?
> > ...
> > ... What is flushing the progress
> > output?
> 
> The standard error stream is not "fully buffered":
> 
>     http://www.opengroup.org/onlinepubs/000095399/functions/xsh_chap02_05.html#tag_02_05
> 
> Not "fully buffered" means either "unbuffered" or "line
> buffered".  Because the progress display does not terminate its
> line, it means that the additional fflush(stderr) you added are
> needed if the stream is line buffered (still conforming).

Maybe stdio on Linux considers \r as a line termination.

Flushing stderr should not hurt anyway.


Nicolas
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