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#  if defined (HAVE_STRUCT_DIRENT_D_NAMLEN)
29#    define D_NAMLEN(d)	((d)->d_namlen)
30#  else
31#    define D_NAMLEN(d)   (strlen ((d)->d_name))
32#  endif /* !HAVE_STRUCT_DIRENT_D_NAMLEN */
33#else
34#  if defined (HAVE_SYS_NDIR_H)
35#    include <sys/ndir.h>
36#  endif
37#  if defined (HAVE_SYS_DIR_H)
38#    include <sys/dir.h>
39#  endif
40#  if defined (HAVE_NDIR_H)
41#    include <ndir.h>
42#  endif
43#  if !defined (dirent)
44#    define dirent direct
45#  endif /* !dirent */
46#  define D_NAMLEN(d)   ((d)->d_namlen)
47#endif /* !HAVE_DIRENT_H */
48
49#if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (HAVE_STRUCT_DIRENT_D_FILENO)
50#  define d_fileno d_ino
51#endif
52
53#if defined (_POSIX_SOURCE) && (!defined (HAVE_STRUCT_DIRENT_D_INO) || defined (BROKEN_DIRENT_D_INO))
54/* Posix does not require that the d_ino field be present, and some
55   systems do not provide it. */
56#  define REAL_DIR_ENTRY(dp) 1
57#else
58#  define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
59#endif /* _POSIX_SOURCE */
60
61#endif /* !_POSIXDIR_H_ */
62