dirfd.c 1.33 KB
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/*****************************************************************************
 * dirfd.c: POSIX dirfd replacement
 *****************************************************************************
 * Copyright © 2009-2011 Rémi Denis-Courmont
 *
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 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
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 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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LGPL  
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU Lesser General Public License for more details.
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 *
 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <dirent.h>
#include <errno.h>

int dirfd (DIR *dir)
{
#if defined (__sun__)
    return dir->dd_fd;
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#elif defined (__APPLE__)
    return dir->__dd_fd;
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#else
    (void) dir;
# ifdef ENOTSUP
    errno = ENOTSUP;
# endif
    return -1;
#endif
}