include/posixdir.h

   1 /* posixdir.h -- Posix directory reading includes and defines. */
   2
   3 /* Copyright (C) 1987,1991 Free Software Foundation, Inc.
   4
   5    This file is part of GNU Bash, the Bourne Again SHell.
   6
   7    Bash is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2, or (at your option)
  10    any later version.
  11
  12    Bash is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with Bash; see the file COPYING.  If not, write to the Free
  19    Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
  20
  21 /* This file should be included instead of <dirent.h> or <sys/dir.h>. */
  22
  23 #if !defined (_POSIXDIR_H_)
  24 #define _POSIXDIR_H_
  25
  26 #if defined (HAVE_DIRENT_H)
  27 #  include <dirent.h>
  28 #  define D_NAMLEN(d)   (strlen ((d)->d_name))
  29 #else
  30 #  if defined (HAVE_SYS_NDIR_H)
  31 #    include <sys/ndir.h>
  32 #  endif
  33 #  if defined (HAVE_SYS_DIR_H)
  34 #    include <sys/dir.h>
  35 #  endif
  36 #  if defined (HAVE_NDIR_H)
  37 #    include <ndir.h>
  38 #  endif
  39 #  if !defined (dirent)
  40 #    define dirent direct
  41 #  endif /* !dirent */
  42 #  define D_NAMLEN(d)   ((d)->d_namlen)
  43 #endif /* !HAVE_DIRENT_H */
  44
  45 #if defined (STRUCT_DIRENT_HAS_D_INO) && !defined (STRUCT_DIRENT_HAS_D_FILENO)
  46 #  define d_fileno d_ino
  47 #endif
  48
  49 #if defined (_POSIX_SOURCE) && (!defined (STRUCT_DIRENT_HAS_D_INO) || defined (BROKEN_DIRENT_D_INO))
  50 /* Posix does not require that the d_ino field be present, and some
  51    systems do not provide it. */
  52 #  define REAL_DIR_ENTRY(dp) 1
  53 #else
  54 #  define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
  55 #endif /* _POSIX_SOURCE */
  56
  57 #endif /* !_POSIXDIR_H_ */