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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-10-07 04:52:50 +0200 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2019-10-07 04:52:50 +0200 |
commit | 0aa6201a490bfabc0ae021ceb9f1fb0f46727c5d (patch) | |
tree | a71d934d8151dd43e7c16555fef17fd749c5da70 /lib/asio/detail/buffer_resize_guard.hpp | |
parent | 558d74bffd9f069955af52c0b308a1d6169bcff0 (diff) | |
parent | 0330221d51421caa110b8c5dcb567cc3d0620eb9 (diff) | |
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Merge lime output into next branch
Diffstat (limited to 'lib/asio/detail/buffer_resize_guard.hpp')
-rw-r--r-- | lib/asio/detail/buffer_resize_guard.hpp | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/lib/asio/detail/buffer_resize_guard.hpp b/lib/asio/detail/buffer_resize_guard.hpp deleted file mode 100644 index 58ebc4c..0000000 --- a/lib/asio/detail/buffer_resize_guard.hpp +++ /dev/null @@ -1,66 +0,0 @@ -// -// detail/buffer_resize_guard.hpp -// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) -// -// Distributed under the Boost Software License, Version 1.0. (See accompanying -// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -// - -#ifndef ASIO_DETAIL_BUFFER_RESIZE_GUARD_HPP -#define ASIO_DETAIL_BUFFER_RESIZE_GUARD_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include "asio/detail/config.hpp" -#include "asio/detail/limits.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -// Helper class to manage buffer resizing in an exception safe way. -template <typename Buffer> -class buffer_resize_guard -{ -public: - // Constructor. - buffer_resize_guard(Buffer& buffer) - : buffer_(buffer), - old_size_(buffer.size()) - { - } - - // Destructor rolls back the buffer resize unless commit was called. - ~buffer_resize_guard() - { - if (old_size_ != (std::numeric_limits<size_t>::max)()) - { - buffer_.resize(old_size_); - } - } - - // Commit the resize transaction. - void commit() - { - old_size_ = (std::numeric_limits<size_t>::max)(); - } - -private: - // The buffer being managed. - Buffer& buffer_; - - // The size of the buffer at the time the guard was constructed. - size_t old_size_; -}; - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // ASIO_DETAIL_BUFFER_RESIZE_GUARD_HPP |