mirror of https://github.com/bitcoin/bitcoin.git
29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// Copyright (c) 2015-2021 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_UTIL_READWRITEFILE_H
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#define BITCOIN_UTIL_READWRITEFILE_H
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#include <util/fs.h>
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#include <limits>
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#include <string>
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#include <utility>
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/** Read full contents of a file and return them in a std::string.
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* Returns a pair <status, string>.
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* If an error occurred, status will be false, otherwise status will be true and the data will be returned in string.
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*
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* @param maxsize Puts a maximum size limit on the file that is read. If the file is larger than this, truncated data
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* (with len > maxsize) will be returned.
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*/
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std::pair<bool,std::string> ReadBinaryFile(const fs::path &filename, size_t maxsize=std::numeric_limits<size_t>::max());
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/** Write contents of std::string to a file.
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* @return true on success.
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*/
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bool WriteBinaryFile(const fs::path &filename, const std::string &data);
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#endif // BITCOIN_UTIL_READWRITEFILE_H
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