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From "Masahiro Yamada (JIRA)" <j...@apache.org>
Subject [jira] Created: (COUCHDB-727) Overlong UTF-8 detection is not correct at couch_js/utf8.js.
Date Tue, 06 Apr 2010 02:42:27 GMT
Overlong UTF-8 detection is not correct at couch_js/utf8.js.
------------------------------------------------------------

                 Key: COUCHDB-727
                 URL: https://issues.apache.org/jira/browse/COUCHDB-727
             Project: CouchDB
          Issue Type: Bug
    Affects Versions: 1.0
            Reporter: Masahiro Yamada
            Priority: Minor


I found simllar bug of  https://bugzilla.mozilla.org/show_bug.cgi?id=514760 at couchdb.

https://svn.apache.org/repos/asf/couchdb/trunk/src/couchdb/priv/couch_js/utf8.c
>
>static uint32
>dec_char(const uint8 *utf8Buffer, int utf8Length)
>{
>    uint32 ucs4Char;
>    uint32 minucs4Char;
>
>    /* from Unicode 3.1, non-shortest form is illegal */
>    static const uint32 minucs4Table[] = {
>        0x00000080, 0x00000800, 0x0001000, 0x0020000, 0x0400000
>    };

minucs4Table should be declared as follwiing.(three zeros are missing)

>    static const uint32 minucs4Table[] = {
>        0x00000080, 0x00000800, 0x0001000, 0x0020000, 0x0400000
>    };


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