crashpad/util/file/output_stream_file_writer.h
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

64 lines
2.0 KiB
C++

// Copyright 2020 The Crashpad Authors
//
// 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 CRASHPAD_UTIL_FILE_OUTPUT_STREAM_FILE_WRITER_H_
#define CRASHPAD_UTIL_FILE_OUTPUT_STREAM_FILE_WRITER_H_
#include <memory>
#include "util/file/file_writer.h"
namespace crashpad {
class OutputStreamInterface;
//! \brief A file writer backed by a OutputSteamInterface.
//! \note The \a Seek related methods don't work and shouldn't be invoked.
class OutputStreamFileWriter : public FileWriterInterface {
public:
//! \param[in] output_stream The output stream that this object writes to.
explicit OutputStreamFileWriter(
std::unique_ptr<OutputStreamInterface> output_stream);
OutputStreamFileWriter(const OutputStreamFileWriter&) = delete;
OutputStreamFileWriter& operator=(const OutputStreamFileWriter&) = delete;
~OutputStreamFileWriter() override;
// FileWriterInterface:
bool Write(const void* data, size_t size) override;
bool WriteIoVec(std::vector<WritableIoVec>* iovecs) override;
// FileSeekerInterface:
//! \copydoc FileWriterInterface::Seek()
//!
//! \note This method doesn't work and shouldn't be invoked.
FileOffset Seek(FileOffset offset, int whence) override;
//! \brief Flush data to output_stream.
//!
//! Either \a Write() or \a WriteIoVec() can't be called afterwards.
bool Flush();
private:
std::unique_ptr<OutputStreamInterface> output_stream_;
bool flush_needed_;
bool flushed_;
};
} // namespace crashpad
#endif // CRASHPAD_UTIL_FILE_OUTPUT_STREAM_FILE_WRITER_H_