38 lines
675 B
C++
38 lines
675 B
C++
#include "FileBlob.h"
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#include "MagicNumbers.h"
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using std::unique_ptr;
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using blobstore::Blob;
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namespace cryfs {
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FileBlob::FileBlob(unique_ptr<Blob> blob)
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: _blob(std::move(blob)) {
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}
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FileBlob::~FileBlob() {
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}
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void FileBlob::InitializeEmptyFile() {
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_blob->resize(1);
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unsigned char magicNumber = MagicNumbers::FILE;
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_blob->write(&magicNumber, 0, 1);
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}
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unsigned char FileBlob::magicNumber() const {
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return magicNumber(*_blob);
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}
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unsigned char FileBlob::magicNumber(const blobstore::Blob &blob) {
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unsigned char value;
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blob.read(&value, 0, 1);
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return value;
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}
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bool FileBlob::IsFile(const Blob &blob) {
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return magicNumber(blob) == MagicNumbers::FILE;
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}
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}
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