From 33284635219dd62e65d7a77208f8c23360929dac Mon Sep 17 00:00:00 2001 From: Daryle Walker Date: Sun, 16 Nov 2003 07:27:36 +0000 Subject: [PATCH] Added notes on interaction of different savers [SVN r20818] --- doc/ios_state.html | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/doc/ios_state.html b/doc/ios_state.html index cabc7a2..1b8236e 100644 --- a/doc/ios_state.html +++ b/doc/ios_state.html @@ -215,7 +215,7 @@ attribute back to the saved value.

boost::io::basic_ios_iostate_saver<Ch, Tr> - Failure state of the stream [1] + Failure state of the stream [1], [2] std::ios_base::iostate rdstate clear @@ -268,11 +268,13 @@ attribute back to the saved value.

  • When the associated stream buffer is changed, the stream's failure state set is reset to "good" if the given stream buffer's address is non-NULL, but the "bad" failure - state is set if that address is NULL. Given a NULL stream - buffer address, an exception is thrown if the "bad" - failure state is being watched. This could mean that the constructor or destructor of this class template - may throw.
    • + state is set if that address is NULL. This means that a saved + failure state of "good" may be restored as "bad" + if the stream is stripped of an associated stream buffer. Worse, + given a NULL stream buffer address, an exception is thrown if the + "bad" failure state is being watched. This could mean + that the constructor or destructor of these class + templates may throw.
  • The saver for the locale uses the std::basic_ios<Ch, Tr> class to extract their information, although it could have used the functionality @@ -431,6 +433,6 @@ int main()

    Copyright 2002 Daryle Walker. Use, modification, and distribution are subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or a copy at -<http://www.boost.org/LICENSE_1_0.txt>.

    +<http://www.boost.org/LICENSE_1_0.txt>.)