[Bug libstdc++/26211] [DR 419, US 137 / US 139] basic_istream::tellg, seekg are unformatted input functions

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26211

--- Comment #8 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 2010-11-18 17:21:44 UTC ---
Author: paolo
Date: Thu Nov 18 17:21:35 2010
New Revision: 166911

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166911
Log:
2010-11-18  Paolo Carlini  <paolo.carlini@oracle.com>

    PR libstdc++/26211 + N3168
    * include/bits/istream.tcc (basic_istream<>::tellg, seekg(pos_type),
    seekg(off_type, ios_base::seekdir)): Construct a sentry.
    (basic_istream<>::tellg, seekg(pos_type), seekg(off_type,
    ios_base::seekdir, putback, unget)): Clear eofbit first, per N3168.  
    * testsuite/27_io/basic_istream/seekg/char/26211.cc: New.
    * testsuite/27_io/basic_istream/seekg/wchar_t/26211.cc: Likewise.
    * testsuite/27_io/basic_istream/tellg/char/26211.cc: Likewise.
    * testsuite/27_io/basic_istream/tellg/wchar_t/26211.cc: Likewise.
    * testsuite/27_io/basic_istream/tellg/char/8348.cc: Tweak.
    * testsuite/27_io/basic_istream/tellg/wchar_t/8348.cc: Likewise.

Added:
    trunk/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/26211.cc
    trunk/libstdc++-v3/testsuite/27_io/basic_istream/seekg/wchar_t/26211.cc
    trunk/libstdc++-v3/testsuite/27_io/basic_istream/tellg/char/26211.cc
    trunk/libstdc++-v3/testsuite/27_io/basic_istream/tellg/wchar_t/26211.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/istream.tcc
    trunk/libstdc++-v3/testsuite/27_io/basic_istream/tellg/char/8348.cc
    trunk/libstdc++-v3/testsuite/27_io/basic_istream/tellg/wchar_t/8348.cc