From: Joe Perches <joe@perches.com>
To: "Enrico Weigelt, metux IT consult" <enrico.weigelt@gr13.net>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] lib: vsprintf: add printf format conversion %M for errno strings
Date: Sun, 25 Jun 2017 10:27:04 -0700 [thread overview]
Message-ID: <1498411624.24295.36.camel@perches.com> (raw)
In-Reply-To: <20170625171230.7613-1-enrico.weigelt@gr13.net>
On Sun, 2017-06-25 at 19:12 +0200, Enrico Weigelt, metux IT consult
wrote:
> Adding a new format conversion for *printf() and friends.
Every use of %M is going to cause gcc when using __printf to emit
a warning like:
unknown conversion type character ‘M’ in format [-Wformat=]
Beyond that, why is this useful?
There can't possibly be any fast-path use.
Why not just create a function that does errno/string conversions?
next prev parent reply other threads:[~2017-06-25 17:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-25 17:12 Enrico Weigelt, metux IT consult
2017-06-25 17:24 ` Randy Dunlap
2017-06-25 17:27 ` Joe Perches [this message]
2017-06-25 19:53 ` Enrico Weigelt, metux IT consult
2017-06-25 20:10 ` Joe Perches
2017-06-25 21:18 ` Enrico Weigelt, metux IT consult
2017-06-25 22:47 ` Randy Dunlap
2017-06-26 0:42 ` Enrico Weigelt, metux IT consult
2017-06-27 11:02 ` Bernd Petrovitsch
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