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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDE_PERFETTO_BASE_FILE_UTILS_H_
#define INCLUDE_PERFETTO_BASE_FILE_UTILS_H_
#include <stddef.h>
#include <string>
#include "perfetto/base/utils.h" // For ssize_t on Windows.
namespace perfetto {
namespace base {
bool ReadFileDescriptor(int fd, std::string* out);
bool ReadFileStream(FILE* f, std::string* out);
bool ReadFile(const std::string& path, std::string* out);
// Call write until all data is written or an error is detected.
//
// man 2 write:
// If a write() is interrupted by a signal handler before any bytes are
// written, then the call fails with the error EINTR; if it is
// interrupted after at least one byte has been written, the call
// succeeds, and returns the number of bytes written.
ssize_t WriteAll(int fd, const void* buf, size_t count);
bool FlushFile(int fd);
} // namespace base
} // namespace perfetto
#endif // INCLUDE_PERFETTO_BASE_FILE_UTILS_H_
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