C++ source code to compare XML files like ExamXML XML differencing tool

I’m working on a Linux project that includes identifying changes between XML files and I need a source code on C++ to compare XML fragments.
I’m using differencing tool ExamXML from http://www.a7soft.com to compare and merge XML files but this is Windows application.

You can try the "eXPat" libraries. They are open source and available for Windows and Linux.

Not sure if this thread is still relevant, but you can also have a look and see how these http://www.logilab.org/view?rql=Any%...0X%20eid%20859 guys did it.
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xmldiff [active development]

summary a python tool that figures out the differences between two similar XML files, in the same way the diff utility does i

Xmldiff was initially developed for the Narval project and could also be used as a library or as a command line tool. It can work either with XML files or DOM trees
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Yeah it is in Python but should translate into almost anything, except Intercal, with a bit of experience.

If you want more xmldiff-like programs, just google for it: http://www.google.com/search?q=xmldiff, I think I spotted Perl, Java, Python...

Gr,
Mightor