srsRAN/lib/include/srslte/srslog/detail/support/memory_buffer.h

61 lines
1.6 KiB
C++

/*
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSLOG_DETAIL_SUPPORT_MEMORY_BUFFER_H
#define SRSLOG_DETAIL_SUPPORT_MEMORY_BUFFER_H
#include <string>
namespace srslog {
namespace detail {
/// This class wraps a read-only and non owning memory block, providing simple
/// methods to access its contents.
class memory_buffer
{
const char* const buffer;
const size_t length;
public:
memory_buffer(const char* buffer, size_t length) :
buffer(buffer),
length(length)
{}
explicit memory_buffer(const std::string& s) :
buffer(s.data()),
length(s.size())
{}
/// Returns a pointer to the start of the memory block.
const char* data() const { return buffer; }
/// Returns the size of the memory block.
size_t size() const { return length; }
};
} // namespace detail
} // namespace srslog
#endif // SRSLOG_DETAIL_SUPPORT_MEMORY_BUFFER_H