lbrycrd/src/flatfile.cpp

24 lines
655 B
C++

// Copyright (c) 2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <stdexcept>
#include <flatfile.h>
#include <tinyformat.h>
FlatFileSeq::FlatFileSeq(fs::path dir, const char* prefix, size_t chunk_size) :
m_dir(std::move(dir)),
m_prefix(prefix),
m_chunk_size(chunk_size)
{
if (chunk_size == 0) {
throw std::invalid_argument("chunk_size must be positive");
}
}
fs::path FlatFileSeq::FileName(const CDiskBlockPos& pos) const
{
return m_dir / strprintf("%s%05u.dat", m_prefix, pos.nFile);
}