ranty 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.  */

#ifndef FILENAMES_H
#define FILENAMES_H

#include "hashtab.h" /* for hashval_t */

#ifdef __cplusplus
extern "C" {
#endif

#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
#  ifndef HAVE_DOS_BASED_FILE_SYSTEM
#    define HAVE_DOS_BASED_FILE_SYSTEM 1
#  endif
#  ifndef HAVE_CASE_INSENSITIVE_FILE_SYSTEM
#    define HAVE_CASE_INSENSITIVE_FILE_SYSTEM 1
#  endif
#  define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f)
#  define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
#  define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
#else /* not DOSish */
#  if defined(__APPLE__)
#    ifndef HAVE_CASE_INSENSITIVE_FILE_SYSTEM
#      define HAVE_CASE_INSENSITIVE_FILE_SYSTEM 1
#    endif
#  endif /* __APPLE__ */
#  define HAS_DRIVE_SPEC(f) (0)
#  define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
#  define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)
#endif

#define IS_DIR_SEPARATOR_1(dos_based, c)				\
  (((c) == '/')								\
   || (((c) == '\\') && (dos_based)))

#define HAS_DRIVE_SPEC_1(dos_based, f)			\
  ((f)[0] && ((f)[1] == ':') && (dos_based))

/* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f).
   The result is a pointer to the remainder of F.  */
#define STRIP_DRIVE_SPEC(f)	((f) + 2)

#define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c)
#define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f)
#define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f)

#define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c)
#define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f)

/* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as
   well, although it is only semi-absolute.  This is because the users
   of IS_ABSOLUTE_PATH want to know whether 