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38 lines
1.2 KiB
38 lines
1.2 KiB
// Copyright 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "base/Optional.h"
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#include <string>
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namespace android {
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// Reads from |fd| into |file_contents|
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// Returns false if something went wrong
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bool readFileIntoString(int fd, std::string* file_contents);
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// Reads |name| file
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base::Optional<std::string> readFileIntoString(const std::string& filename);
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// Writes |file_contents| to |fd|
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// Returns false if something went wrong
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bool writeStringToFile(int fd, const std::string& file_contents);
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// Sets the file size to |size|, could either extend or truncate it.
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bool setFileSize(int fd, int64_t size);
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} // namespace android
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