re PR libstdc++/16956 ([3.4 only] std::stringbuf::seekoff return wrong position value)

re PR libstdc++/16956 ([3.4 only] std::stringbuf::seekoff return wrong position value)

2004-08-12  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/16956
	* include/bits/sstream.tcc (basic_stringbuf<>::seekoff): Add __off
	to the returned value, reorganize a bit.
	* testsuite/27_io/basic_stringbuf/seekoff/char/16956.cc: New.
	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/16956.cc: New.

	* testsuite/27_io/basic_stringbuf/seekoff/char/1.cc: Remove junk.
	* testsuite/27_io/basic_stringbuf/seekoff/wchar_t/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/seekpos/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/seekpos/wchar_t/1.cc: Likewise.

From-SVN: r85910