// Copyright (c) 2025-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_UTIL_BYTE_UNITS_H
#define BITCOIN_UTIL_BYTE_UNITS_H
#include <util/overflow.h>
#include <stdexcept>
//! Overflow-safe conversion of MiB to bytes.
constexpr size_t operator""_MiB(unsigned long long mebibytes)
{
auto bytes{CheckedLeftShift(mebibytes, 20)};
if (!bytes || *bytes > std::numeric_limits<size_t>::max()) {
throw std::overflow_error("MiB value too large for size_t byte conversion");
}
return *bytes;
}
#endif // BITCOIN_UTIL_BYTE_UNITS_H