34 lines
686 B
C++
34 lines
686 B
C++
#pragma once
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#ifndef CRYFS_LIB_IMPL_FILEBLOB_H_
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#define CRYFS_LIB_IMPL_FILEBLOB_H_
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#include <messmer/blobstore/interface/Blob.h>
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#include <memory>
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namespace cryfs {
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class FileBlob {
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public:
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static std::unique_ptr<FileBlob> InitializeEmptyFile(std::unique_ptr<blobstore::Blob> blob);
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FileBlob(std::unique_ptr<blobstore::Blob> blob);
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virtual ~FileBlob();
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ssize_t read(void *target, uint64_t offset, uint64_t count) const;
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void write(const void *source, uint64_t offset, uint64_t count);
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void resize(off_t size);
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off_t size() const;
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blockstore::Key key() const;
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private:
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std::unique_ptr<blobstore::Blob> _blob;
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unsigned char magicNumber() const;
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};
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}
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#endif
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