[PATCH] Add strchrnul

[Yaakov (Cygwin/X)]

On Mon, 2011-03-28 at 10:10 +0200, Corinna Vinschen wrote:
> Isn't this implementation a bit simple?  It's as fast as the underlying
> strchr function in case of a hit, but it suffers quite a performance hit
> in case of a miss, because the string has to be scanned twice.
> 
> So I'm wondering, shouldn't we better adapt the strchr implementation
> and just return a pointer to s where strchr returns NULL?

There's always a tradeoff, simplicity vs. code duplication.  I presume
you mean something like the attached.  I'm just not sure about the !
PREFER_SIZE_OVER_SPEED block of the code.


Yaakov

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