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https://github.com/RGBCube/serenity
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73fdbba59c
This was a workaround to be able to build on case-insensitive file systems where it might get confused about <string.h> vs <String.h>. Let's just not support building that way, so String.h can have an objectively nicer name. :^)
30 lines
894 B
C++
30 lines
894 B
C++
#pragma once
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#include <AK/String.h>
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#include <AK/RefPtr.h>
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#include <AK/Types.h>
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#include <Kernel/Devices/DiskDevice.h>
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#include <stdio.h>
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class FileBackedDiskDevice final : public DiskDevice {
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public:
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static RefPtr<FileBackedDiskDevice> create(const String& image_path, size_t block_size);
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virtual ~FileBackedDiskDevice() override;
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bool is_valid() const { return m_file; }
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virtual bool read_block(unsigned index, u8* out) const override;
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virtual bool write_block(unsigned index, const u8*) override;
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private:
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virtual const char* class_name() const override;
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bool read_internal(DiskOffset, unsigned length, u8* out) const;
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bool write_internal(DiskOffset, unsigned length, const u8* data);
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FileBackedDiskDevice(const String& image_path, size_t block_size);
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String m_image_path;
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FILE* m_file { nullptr };
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DiskOffset m_file_length { 0 };
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};
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