chromium/mojo/public/cpp/system/file_data_source.cc

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "mojo/public/cpp/system/file_data_source.h"

#include <algorithm>
#include <limits>

#include "base/numerics/safe_conversions.h"

namespace mojo {

namespace {

uint64_t CalculateEndOffset(base::File* file, MojoResult* result) { … }

}  // namespace

// static
MojoResult FileDataSource::ConvertFileErrorToMojoResult(
    base::File::Error error) { … }

FileDataSource::FileDataSource(base::File file)
    : … { … }

FileDataSource::~FileDataSource() = default;

void FileDataSource::SetRange(uint64_t start, uint64_t end) { … }

uint64_t FileDataSource::GetLength() const { … }

DataPipeProducer::DataSource::ReadResult FileDataSource::Read(
    uint64_t offset,
    base::span<char> buffer) { … }

}  // namespace mojo