Re: [PATCH/RFC] recv_sideband: Band #2 always goes to stderr

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On Tue, 10 Mar 2009, Johannes Sixt wrote:

> Johannes Schindelin schrieb:
> > I think, indeed, that you can avoid the memcpy() by using %.*s.  The 
> > private buffer is only used to make sure that the text is written in one 
> > go anyway (i.e. that two sidebands messages are not written to the same 
> > line because they use multiple calls to fprintf()/fwrite() per line), 
> > right?
> 
> It must be something like that, yes. ;)

It is a bit more complex than that.

Messages received over sideband #2 may have two kinds of line break 
characters: \r or \n.  We also have a string suffix which is used to 
clear the remaining of the screen line in those cases where a previous 
line is overwritten and the previous line was longer.  That may happen 
if the previous line was terminated with \r.  In that case, the string 
suffix _must_ be inserted before the line break character for obvious 
reasons.


Nicolas
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