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++ /*
++ * Copyright (C) 2012 Apple Inc. All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ * 1. Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * 2. Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in the
++ * documentation and/or other materials provided with the distribution.
++ *
++ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
++ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
++ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
++ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
++ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
++ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
++ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
++ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
++ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
++ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
++ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
++ */
++
++ #include "config.h"
++ #include "FilePrintStream.h"
++ #include "Optional.h" // for make_unique polyfill if required
++
++ namespace WTF {
++
++ FilePrintStream::FilePrintStream(FILE* file, AdoptionMode adoptionMode)
++ : m_file(file)
++ , m_adoptionMode(adoptionMode)
++ {
++ }
++
++ FilePrintStream::~FilePrintStream()
++ {
++ if (m_adoptionMode == Borrow)
++ return;
++ if (m_file)
++ fclose(m_file);
++ }
++
++ std::unique_ptr<FilePrintStream> FilePrintStream::open(const char* filename, const char* mode)
++ {
++ FILE* file = fopen(filename, mode);
++ if (!file)
++ return nullptr;
++
++ return std::make_unique<FilePrintStream>(file);
++ }
++
++ void FilePrintStream::vprintf(const char* format, va_list argList)
++ {
++ vfprintf(m_file, format, argList);
++ }
++
++ void FilePrintStream::flush()
++ {
++ fflush(m_file);
++ }
++
++ } // namespace WTF
++