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c6b9788af8
Summary: This will make it easier to build with Buck. Reviewed By: fanzeyi Differential Revision: D23827754 fbshipit-source-id: bf3bf4d607a08b9831f9dfea172b2e923a219561
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include <folly/Range.h>
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#include <folly/Try.h>
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#include <limits>
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#include <string>
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#include "eden/fs/model/Hash.h"
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#include "eden/fs/utils/PathFuncs.h"
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namespace facebook {
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namespace eden {
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/** Read up to num_bytes bytes from the file */
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FOLLY_NODISCARD folly::Try<std::string> readFile(
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AbsolutePathPiece path,
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size_t num_bytes = std::numeric_limits<size_t>::max());
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/** Write data to the file pointed by path */
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FOLLY_NODISCARD folly::Try<void> writeFile(
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AbsolutePathPiece path,
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folly::ByteRange data);
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/** Atomically replace the content of the file with data.
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*
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* On failure, the content of the file is unchanged.
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*/
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FOLLY_NODISCARD folly::Try<void> writeFileAtomic(
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AbsolutePathPiece path,
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folly::ByteRange data);
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#ifdef _WIN32
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/** Compute the sha1 of the file */
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Hash getFileSha1(AbsolutePathPiece filePath);
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#endif
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} // namespace eden
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} // namespace facebook
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