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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  | 
