Rockbox mail archive
Subject: Re: clever algorithm string ->int id wanted
From: Daniel Stenberg (daniel_at_haxx.se)
Date: 2002-10-04
On Thu, 3 Oct 2002 phil_at_x-phobie.de wrote:
> I need an algorithm to calculate a unique id from a string, just similar to
> calculating a hash key.
Since the strings are all known at the time you want to calculate the hashes,
you can generate a "perfect hash":
http://www.google.com/search?q=perfect+hash
A tool that makes this easier, is gperf:
http://www.gnu.org/software/gperf/gperf.html
--
Daniel "Bagder" Stenberg -- http://rockbox.haxx.se/
Page was last modified "Jan 10 2012" The Rockbox Crew
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