82     std::vector<unsigned char> buffer(partition.size);  in ReadPartitionToBuffer()  local
83     if (!android::base::ReadFully(dev, buffer.data(), buffer.size())) {  in ReadPartitionToBuffer()
84       PLOG(ERROR) << "Failed to read " << buffer.size() << " bytes of data for partition "  in ReadPartitionToBuffer()
87       SHA1(buffer.data(), buffer.size(), out->sha1);  in ReadPartitionToBuffer()
89         out->data = std::move(buffer);  in ReadPartitionToBuffer()
189     unsigned char buffer[4096];  in WriteBufferToPartition()  local
191     for (size_t p = 0; p < len; p += sizeof(buffer)) {  in WriteBufferToPartition()
193       if (to_read > sizeof(buffer)) {  in WriteBufferToPartition()
194         to_read = sizeof(buffer);  in WriteBufferToPartition()
197       if (!android::base::ReadFully(fd, buffer, to_read)) {  in WriteBufferToPartition()
202       if (memcmp(buffer, data + p, to_read) != 0) {  in WriteBufferToPartition()