linux-kernel - Re: [PATCH] perf: Support for Openembedded/Yocto -dbg packages

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Date:	Wed, 18 Sep 2013 10:07:35 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Waiman Long <Waiman.Long@...com>,
	Stephane Eranian <eranian@...gle.com>,
	Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] perf: Support for Openembedded/Yocto -dbg packages

Em Wed, Sep 18, 2013 at 12:18:01PM +0200, Peter Zijlstra escreveu:
> On Wed, Sep 18, 2013 at 12:02:12PM +0200, Ricardo Ribalda Delgado wrote:
> > Perhaps this is even more clear than v2:

> > len = snprintf(file, size, "%s", symbol_conf.symfs);
> > size -= len;
> > file += len;
> > len = snprintf(file, MIN(size,(last_slash - dso->long_name) + 2),
> > "%s",  dso->long_name);
> > size -= len;
> > file += len;
> > len = snprintf(file, size, ".debug%s",  last_slash);

> len = 0;

> len += snprintf(str + len, size - len, ...);
> len += snprintf(str + len, size - len, ...);

And avoid snprintf like the plague, use scnprintf instead...  See
e7f01d1e3d8d501deb8abeaa269d5d48a703b8b0 for details :-)

- Arnaldo
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