Re: [2.6 patch] kill IN_STRING_C

From: Andi Kleen
Date: Mon Nov 08 2004 - 13:27:02 EST


On Mon, Nov 08, 2004 at 05:31:01PM +0100, Adrian Bunk wrote:
> On Mon, Nov 08, 2004 at 05:19:35PM +0100, Andi Kleen wrote:
> > > Rethinking it, I don't even understand the sprintf example in your
> > > changelog entry - shouldn't an inclusion of kernel.h always get it
> > > right?
> >
> > Newer gcc rewrites sprintf(buf,"%s",str) to strcpy(buf,str) transparently.
>
> Which gcc is "Newer"?

I saw it with 3.3-hammer, which had additional optimizations in this
area at some point. Note that 3.3-hammer is widely used. I don't
know if 3.4 does it in the same way.

-Andi
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