faster strlen ?

Posted by Jack on Stack Overflow See other posts from Stack Overflow or by Jack
Published on 2009-11-21T07:08:32Z Indexed on 2010/04/17 0:03 UTC
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Typical strlen() traverse from first character till it finds \0. This requires you to traverse each and every character. In algorithm sense, its O(N).

Is there any faster way to do this where input is vaguely defined. Like: length would be less than 50, or length would be around 200 characters.

I thought of lookup blocks and all but didn't get any optimization.

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