76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
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// Copyright 2010 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "utils/process/fdstream.hpp"
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#include "utils/process/systembuf.hpp"
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namespace utils {
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namespace process {
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/// Private implementation fields for ifdstream.
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struct ifdstream::impl {
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/// The systembuf backing this file descriptor.
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systembuf _systembuf;
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/// Initializes private implementation data.
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///
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/// \param fd The file descriptor.
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impl(const int fd) : _systembuf(fd) {}
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};
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} // namespace process
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} // namespace utils
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namespace process = utils::process;
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/// Constructs a new ifdstream based on an open file descriptor.
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///
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/// This grabs ownership of the file descriptor.
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///
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/// \param fd The file descriptor to read from. Must be open and valid.
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process::ifdstream::ifdstream(const int fd) :
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std::istream(NULL),
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_pimpl(new impl(fd))
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{
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rdbuf(&_pimpl->_systembuf);
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}
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/// Destroys an ifdstream object.
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///
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/// \post The file descriptor attached to this stream is closed.
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process::ifdstream::~ifdstream(void)
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{
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}
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