strerror_r(3) used incorrectly

[Ari Johnson]

See included patch.  Note that my code assumes that that allocated
2048-byte buffer is large enough for any error string.  strerror_r(3) will
return 0 in this case, or will return ERANGE if not enough space was
available in the buffer.  As IOException::getSystemErrorString() is
declared throw(), I didn't see a better way to deal with the ERANGE
possibility other than wild assumption (although it really does seem a
valid assumption to me).

This patch is against the current CVS HEAD (21:45 CST, Nov 18)

Ari Johnson

commoncpp2-exception.cpp-patch
Description: Text document