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https://github.com/SerenityOS/serenity
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32 lines
571 B
C++
32 lines
571 B
C++
#pragma once
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#include "StringView.h"
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namespace AK {
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class MappedFile {
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public:
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MappedFile() {}
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explicit MappedFile(const StringView& file_name);
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MappedFile(MappedFile&&);
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~MappedFile();
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MappedFile& operator=(MappedFile&&);
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bool is_valid() const { return m_map != (void*)-1; }
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void unmap();
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void* pointer() { return m_map; }
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const void* pointer() const { return m_map; }
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size_t size() const { return m_size; }
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private:
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size_t m_size { 0 };
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int m_fd { -1 };
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void* m_map { (void*)-1 };
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};
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}
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using AK::MappedFile;
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