Scott Cantor updated XERCESC-1663:
    Fix Version/s:     (was: 2.9.0)

> IconvGNU and IconvFBSD based transcoders assume UCS-2 as XMLCh encoding
> -----------------------------------------------------------------------
>                 Key: XERCESC-1663
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1663
>             Project: Xerces-C++
>          Issue Type: Bug
>          Components: Utilities
>    Affects Versions: 2.7.0
>         Environment: any
>            Reporter: Boris Kolpackov
>            Assignee: Alberto Massari
>            Priority: Blocker
>             Fix For: 3.0.0
> I was studying the code in IconvGNU and IconvFBSD transcoders and it appears 
> that they assume UCS-2 is the encoding for XMLCh when it's actually UTF-16. I 
> believe this can result in the loss of data.
> The encoding that is used for XMLCh is stored in the fUnicodeCP variable 
> which is initialized in the Iconv{GNU,FBSD}TransServices c-tor. The 
> initialization code just tries all encodings from the 
> gIconv{GNU,FBSD}Encodings array which for GNU contains only UCS-2 and for 
> FreeBSD contains UCS-2 and UCS-4 encodings.
> I tried to add a UTF-16LE to this array (as a first item) and it works fine 
> for GNU (I double checked that UTF-16LE ends up in fUnicodeCP). Does anybody 
> knows what's going on here? Should we add UTF-16 to these arrays?

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