[Bug libstdc++/38476] SIGSEGV on istream::read() in unbuffered mode

[paolo dot carlini at oracle dot com]

------- Comment #2 from paolo dot carlini at oracle dot com  2008-12-27 09:21 -------
To clarify: I don't see anything in the Standard forbidding the use of
rdbuf()->sgetn in the implementation of istream::read. Actually, I would argue
is the natural choice for carrying out the core work. Then, however, everything
bis equivalent per the Standard to a series of sbumpc and uflow (not underflow)
must be provided by the user.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38476