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https://issues.apache.org/jira/browse/XERCESC-1727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boris Kolpackov closed XERCESC-1727.
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Resolution: Fixed
Fix Version/s: 3.0.1
This seems to be a problem with libc mblen, not with Xerces-C++. Furthermore, I
did a search in the 3.1.0 code base and the only place which uses mblen is the
Iconv transcoder. Since on Linux we use IconvGNU, I am marking this bug as
fixed.
> On Linux "Input data transcoding error" message does not contain invalid
> character if no proper locale is set
> -------------------------------------------------------------------------------------------------------------
>
> Key: XERCESC-1727
> URL: https://issues.apache.org/jira/browse/XERCESC-1727
> Project: Xerces-C++
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.7.0
> Environment: Linux, both 32- and 64-bit Red Hats, probably others
> Reporter: Sergey Melnikov
> Fix For: 3.0.1
>
>
> The test case involved russian letter put into XML file. Transcoding crashed
> with "Input data transcoding error..." message but no symbol displayed. I've
> traced the problem to memory allocation for a single character being
> transcoded. The size of a character in Linux implementation is determined
> through 'mblen' in calcRequiredSize(..) but it seems nothing more than plain
> 7-bit ASCII is acceptable.
> Here is a source code snippet based on original calcRequiredSize fed with a
> character I used:
>
> char sExp[2]={'\192','\0'};
> // the line below "fixes" the case: the character (russian 'A') is shown
> within exception message
> // setlocale(LC_ALL,"Russian");
> int iLen=std::mblen(&sExp[0],MB_CUR_MAX);
> if(-1 == iLen)
> {
> // ERROR! we should not be here, since no allocation will be
> done -- and that's what I get
> throw 1;
> }
> Other platforms (Win32, Solaris etc) worked out fine.
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