[Bug libstdc++/45628] std::fstream::tellg invalidates I/O buffer

[paolo dot carlini at oracle dot com]

------- Comment #9 from paolo dot carlini at oracle dot com  2010-09-10 15:00 -------
Ok. I don't think we should change the code to deal such specially with off ==
0, if we are going to change it we should decouple the return value from what
the underlying seek returns, and always call fseek(..., width * off, ...) as
the standard mandates. Then dealing with off == 0 becomes simple.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45628