mirror of
https://github.com/ton-blockchain/ton
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46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
/*
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This file is part of TON Blockchain Library.
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TON Blockchain Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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TON Blockchain Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2017-2019 Telegram Systems LLP
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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/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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