lib/isdir.c

   1 /* isdir.c -- determine whether a directory exists
   2    Copyright (C) 1990 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
  16    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  17
  18 #include <sys/types.h>
  19 #include <sys/stat.h>
  20
  21 #if !defined(S_ISDIR) && defined(S_IFDIR)
  22 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
  23 #endif
  24
  25 /* If PATH is an existing directory or symbolic link to a directory,
  26    return nonzero, else 0.  */
  27
  28 int
  29 isdir (path)
  30      char *path;
  31 {
  32   struct stat stats;
  33
  34   return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);
  35 }