mirror of https://github.com/openXC7/prjxray.git
44 lines
938 B
C++
44 lines
938 B
C++
/*
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* Copyright (C) 2017-2020 The Project X-Ray Authors.
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*
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* Use of this source code is governed by a ISC-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/ISC
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*
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* SPDX-License-Identifier: ISC
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*/
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#ifndef PRJXRAY_LIB_MEMORY_MAPPED_FILE
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#define PRJXRAY_LIB_MEMORY_MAPPED_FILE
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#include <memory>
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#include <string>
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#include <absl/types/span.h>
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namespace prjxray {
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class MemoryMappedFile {
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public:
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~MemoryMappedFile();
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static std::unique_ptr<MemoryMappedFile> InitWithFile(
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const std::string& path);
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void* const data() const { return data_; }
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const size_t size() const { return size_; }
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absl::Span<uint8_t> as_bytes() const {
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return {static_cast<uint8_t*>(data_), size_};
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}
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private:
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MemoryMappedFile(void* data, size_t size) : data_(data), size_(size){};
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void* data_;
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size_t size_;
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};
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} // namespace prjxray
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#endif // PRJXRAY_LIB_MEMORY_MAPPED_FILE
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