File: isdir.c

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gnulib 20061201%2Bdfsg-1
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/* isdir.c -- determine whether a directory exists

   Copyright (C) 1990, 1998, 2006 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, 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
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software Foundation,
   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#include <config.h>

#include <sys/types.h>
#include <sys/stat.h>

#if STAT_MACROS_BROKEN
# undef S_ISDIR
#endif

#if !defined S_ISDIR && defined S_IFDIR
# define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR)
#endif

/* If PATH is an existing directory or symbolic link to a directory,
   return nonzero, else 0.  */

int
isdir (const char *path)
{
  struct stat stats;

  return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);
}