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32 lines
701 B
C++
32 lines
701 B
C++
#pragma once
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#include <filesystem>
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#if defined(_WIN32)
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# include <Windows.h>
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#else
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# include <sys/mman.h>
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#endif
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struct MemoryMappedFile {
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#if defined(_WIN32)
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HANDLE fileHandle = nullptr;
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HANDLE fileMappingHandle = nullptr;
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LPVOID fileView = nullptr;
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LARGE_INTEGER fileSize = {};
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#else
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int fileHandle = -1;
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void *fileView = MAP_FAILED;
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off_t fileSize = 0;
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#endif
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MemoryMappedFile();
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MemoryMappedFile(const std::filesystem::path &path);
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MemoryMappedFile(MemoryMappedFile &&other);
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~MemoryMappedFile();
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bool open(const std::filesystem::path &path);
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void close();
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bool isOpen() const;
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uint8_t *data() const;
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size_t size() const;
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};
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