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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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