[pcre-dev] [Bug 2793] Case insensitive search gets exponenti…

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Author: admin
Date:  
To: pcre-dev
Subject: [pcre-dev] [Bug 2793] Case insensitive search gets exponentially slower with larger buffers and a specific text file
https://bugs.exim.org/show_bug.cgi?id=2793

--- Comment #5 from Thomas Tempelmann <tempelmann@???> ---
Alright, it's as I suspected:

First off, the code already does what I suggested to do: Scan for both "e" and
"E" and then process the nearer one.

The "bug" is that the found locations are not cached, so the next time both
chars are searched again from the current position, even if it has already been
determined that there's no such char for a while.

Adding some caching for both found locations should fix this.

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