[jira] Resolved: (XERCESC-1021) RegularExpression: wrong Match end for fixed string match

["Alberto Massari (JIRA)" <xe...@xml.apache.org>]

     [ https://issues.apache.org/jira/browse/XERCESC-1021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alberto Massari resolved XERCESC-1021.
--------------------------------------

       Resolution: Fixed
    Fix Version/s: 3.1.0
         Assignee: Alberto Massari  (was: Xerces-C Developers Mailing List)

A fix is in SVN

> RegularExpression: wrong Match end for fixed string match
> ---------------------------------------------------------
>
>                 Key: XERCESC-1021
>                 URL: https://issues.apache.org/jira/browse/XERCESC-1021
>             Project: Xerces-C++
>          Issue Type: Bug
>          Components: Utilities
>    Affects Versions: 2.3.0
>         Environment: Operating System: All
> Platform: All
>            Reporter: Dave Cohrs
>            Assignee: Alberto Massari
>             Fix For: 3.1.0
>
>         Attachments: xercesbug.cpp
>
>
> RegularExpression::matches() calls context->fMatch->setEndPos()
> with the wrong value when doing a fFixedStringOnly match and not
> in XMLSCHEMA_MODE (i.e. a fixed string match using a Perl-like pattern).
> The problem is this line of code (line 546 of RegularExpression.cpp in
> the 2.3 src distro):
>                                 context->fMatch->setEndPos(0, ret + strLength);
> strLength is the length of the "expression" parameter passed to matches().
> I believe the value really should be the length of fFixedString.  As it
> currently exists, the call to setEndPos() generally sets a value that is
> beyond the end of "expression".
> This bug has no effect on XMLSCHEMA_MODE, which never uses this code.

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