libcryfs/utils/BlockStoreUtils.cpp

32 lines
822 B
C++

#include "../interface/BlockStore.h"
#include "BlockStoreUtils.h"
#include <messmer/cpp-utils/data/Data.h>
#include <cassert>
#include <messmer/cpp-utils/assert/assert.h>
using cpputils::Data;
using cpputils::unique_ref;
namespace blockstore {
namespace utils {
unique_ref<Block> copyToNewBlock(BlockStore *blockStore, const Block &block) {
Data data(block.size());
std::memcpy(data.data(), block.data(), block.size());
return blockStore->create(data);
}
void copyTo(Block *target, const Block &source) {
ASSERT(target->size() == source.size(), "Can't copy block data when blocks have different sizes");
target->write(source.data(), 0, source.size());
}
void fillWithZeroes(Block *target) {
Data zeroes(target->size());
zeroes.FillWithZeroes();
target->write(zeroes.data(), 0, target->size());
}
}
}