From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 14 Jun 2016 19:16:17 GMT
Subject: Re: [PATCH] Refactor recv_sideband()
Message-ID: <xmqqmvmn8ttq.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <146593150503.20857.6674861809731777501@typhoon.lan>

Lukas Fleischer <lfleischer@lfos.de> writes:

> One possible solution is using strbuf and constructing the message as we
> did before. However, that still relies on fprintf() only calling write()
> once per format specifier. While that is probably true for all existing
> implementations, I don't think it is guaranteed by some standard.
> Shouldn't we always use the stderr stream when printing error messages
> instead, especially when we care about thread safety?

Or you can always write(2) to fd=2 and that is safe, too.