lib/isdir.c

   1 /* isdir.c -- determine whether a directory exists
   2    Copyright (C) 1990, 1998 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #if HAVE_CONFIG_H
  19 # include <config.h>
  20 #endif
  21
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24
  25 #if STAT_MACROS_BROKEN
  26 # undef S_ISDIR
  27 #endif
  28
  29 #if !defined S_ISDIR && defined S_IFDIR
  30 # define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR)
  31 #endif
  32
  33 /* If PATH is an existing directory or symbolic link to a directory,
  34    return nonzero, else 0.  */
  35
  36 int
  37 isdir (const char *path)
  38 {
  39   struct stat stats;
  40
  41   return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);
  42 }