Re: Looking for a C library that converts UTF-8 strings from their decomposed to pre-composed form

From: Markus Scherer (
Date: Mon Nov 08 2004 - 19:17:47 CST

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    Tay, William wrote:
    > Is there any C library available that converts the decomposed UTF-8 byte
    > streams into the pre-composed equivalent?

    MacOS X does decompose filenames, but it does not use standard Unicode normalization (because it was
    designed before Unicode's normalization was finalized.) I suggest you search the mailing list
    archive for this list for more details. You probably need to use a MacOS system function.

    ICU has options for normalization (some defined with internal constants only) which may or may not
    match, or get close to, MacOS filename normalization:


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