2003-06-27 Paolo Carlini <pcarlini@unitus.it>

2003-06-27  Paolo Carlini  <pcarlini@unitus.it>
	    Nathan C. Myers  <ncm-nospam@cantrip.org>

	PR libstdc++/9178
	* include/bits/fstream.tcc (_M_underflow): Properly estimate
	the worst-case number of external bytes for a given get area.
	* testsuite/27_io/basic_filebuf/underflow/wchar_t/9178.cc: New.

2003-06-27  Paolo Carlini  <pcarlini@unitus.it>
	    Petur Runolfsson  <peturr02@ru.is>

	PR libstdc++/11305
	* include/bits/fstream.tcc (overflow): Properly estimate the
	worst-case number of external bytes for a given put area
	(by using codecvt::max_length()).
	* testsuite/27_io/basic_filebuf/overflow/wchar_t/11305-1: New.
	* testsuite/27_io/basic_filebuf/overflow/wchar_t/11305-2: New.
	* testsuite/27_io/basic_filebuf/overflow/wchar_t/11305-3: New.
	* testsuite/27_io/basic_filebuf/overflow/wchar_t/11305-4: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68566 138bc75d-0d04-0410-961f-82ee72b054a4