libcruft-util/posix/dir.cpp

/*
 * 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.
 *
 * Copyright 2015 Danny Robson <danny@nerdcruft.net>
 */

#include "./dir.hpp"

#include "../except.hpp"

using util::posix::dir;


///////////////////////////////////////////////////////////////////////////////
dir::dir (const std::experimental::filesystem::path &p):
    m_handle (::opendir (p.c_str ()))
{
    if (!m_handle)
        errno_error::throw_code ();
}


//-----------------------------------------------------------------------------
dir::~dir ()
{
    errno_error::try_code (closedir (m_handle));
}


///////////////////////////////////////////////////////////////////////////////
dir::operator DIR* (void)
{
    return m_handle;
}


///////////////////////////////////////////////////////////////////////////////
void
dir::rewind (void)
{
    rewinddir (m_handle);
}