libstdc++/10132: filebuf destructor throws exceptions
Pétur Runólfsson
peturr02@ru.is
Thu Apr 24 18:56:00 GMT 2003
The following reply was made to PR libstdc++/10132; it has been noted by GNATS.
From: =?iso-8859-1?Q?P=E9tur_Run=F3lfsson?= <peturr02@ru.is>
To: "Benjamin Kosnik" <bkoz@redhat.com>
Cc: <gcc-bugs@gcc.gnu.org>,
<gcc-gnats@gcc.gnu.org>
Subject: RE: libstdc++/10132: filebuf destructor throws exceptions
Date: Thu, 24 Apr 2003 18:48:06 -0000
> Here's something to think about. I think this is pretty good.=20
> Something like it will have to be done for the corresponding=20
> underflow bits.
Maybe I'm missing something, but how does this fix the bug if
some exceptions are rethrown?
Also, what's the rationale behind rethrowing some but not all
exceptions?
I don't think that basic_filebuf should catch exceptions thrown
by use_facet or codecvt members. It is clear from 27.6.2.1 etc.
that streambuf members may throw; if underflow() fails because
an exception is thrown badbit, not eofbit, should be set in
rdstate(); and if badbit is set in exceptions() the original
exception should be rethrown.
Petur
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