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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/pipe_reader.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include "base/file_path.h"
#include "base/scoped_ptr.h"
namespace chromeos {
PipeReader::PipeReader(const FilePath& pipe_name)
: pipe_(NULL),
pipe_name_(pipe_name.value()) {
}
PipeReader::~PipeReader() {
if (pipe_)
fclose(pipe_);
}
std::string PipeReader::Read(const uint32 bytes_to_read) {
scoped_array<char> buffer(new char[bytes_to_read]);
if (pipe_ || (pipe_ = fopen(pipe_name_.c_str(), "r"))) {
const char* to_return = fgets(buffer.get(), bytes_to_read, pipe_);
if (to_return)
return to_return; // auto-coerced to a std::string.
}
return std::string();
}
} // namespace chromeos
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