Hi Junio,

On Tue, 28 Jun 2016, Junio C Hamano wrote:

> Johannes Schindelin <johannes.schinde...@gmx.de> writes:
> 
> > Originally, ANSI color sequences were supported on Windows only by
> > overriding the printf() and fprintf() functions, as mentioned in e7821d7
> > (Add a notice that only certain functions can print color escape codes,
> > 2009-11-27).
> >
> > As of eac14f8 (Win32: Thread-safe windows console output, 2012-01-14),
> > however, this is no longer the case, as the ANSI color sequence support
> > code needed to be replaced with a thread-safe version, one side effect
> > being that stdout and stderr handled no matter which function is used to
> > write to it.
> 
> So as long as we write via stdio to stdout/stderr, you can show
> colors?  Or is it now stronger, in that as long as we do anything
> that ends up writing to file descriptors 1 or 2, you can show
> colors?

It means that we override stdout/stderr with a pipe that is parsed for the
color sequences. If stdout or stderr are reopened later, this color
handling will not apply to the new file descriptor/stream.

Essentially, the caveat in color.h that one should use fprintf() and
printf() when outputting color sequences to a terminal no longer holds
true. fwrite() or write() work just as well.

Ciao,
Dscho
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