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authorRich Felker <dalias@aerifal.cx>2012-04-28 18:05:29 -0400
committerRich Felker <dalias@aerifal.cx>2012-04-28 18:05:29 -0400
commit45b38550eec7de580d790440154791c67cae8475 (patch)
tree93005ff72589f5f0ea2989eb08b383d35198b695 /src/exit
parenta1b442335d6382b0dc0363fdd3a5604493b6a9c7 (diff)
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new fnmatch implementation
unlike the old one, this one's algorithm does not suffer from
potential stack overflow issues or pathologically bad performance on
certain patterns. instead of backtracking, it uses a matching
algorithm which I have not seen before (unsure whether I invented or
re-invented it) that runs in O(1) space and O(nm) time. it may be
possible to improve the time to O(n), but not without significantly
greater complexity.
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