36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/buffer.h"
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#include "td/utils/SharedSlice.h"
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#include "td/utils/Slice.h"
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#include "td/utils/SharedSlice.h"
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#include "td/utils/Status.h"
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namespace td {
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Result<BufferSlice> read_file(CSlice path, int64 size = -1, int64 offset = 0);
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Result<string> read_file_str(CSlice path, int64 size = -1, int64 offset = 0);
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Result<SecureString> read_file_secure(CSlice path, int64 size = -1, int64 offset = 0);
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Status copy_file(CSlice from, CSlice to, int64 size = -1) TD_WARN_UNUSED_RESULT;
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struct WriteFileOptions {
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bool need_sync = true;
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bool need_lock = true;
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};
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Status write_file(CSlice to, Slice data, WriteFileOptions options = {}) TD_WARN_UNUSED_RESULT;
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string clean_filename(CSlice name);
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// write file and ensure that it either fully overriden with new data, or left intact.
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// Uses path_tmp to temporary storat data, than calls rename
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Status atomic_write_file(CSlice path, Slice data, CSlice path_tmp = {});
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} // namespace td
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