1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                 Eclipse Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*          http://www.eclipse.org/org/documents/epl-v10.html           *
11*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#pragma prototyped
23
24/*
25 * AT&T Research
26 *
27 * common dirent maintenance interface
28 */
29
30#ifndef _AST_DIR_H
31#define _AST_DIR_H
32
33#include <ast_lib.h>
34
35#if _mem_d_fileno_dirent || _mem_d_ino_dirent
36#if !_mem_d_fileno_dirent
37#undef	_mem_d_fileno_dirent
38#define _mem_d_fileno_dirent	1
39#define d_fileno		d_ino
40#endif
41#endif
42
43#if _BLD_ast
44#include "dirlib.h"
45#else
46#include <dirent.h>
47#endif
48
49#if _mem_d_fileno_dirent
50#define D_FILENO(d)		((d)->d_fileno)
51#endif
52
53#if _mem_d_namlen_dirent
54#define D_NAMLEN(d)		((d)->d_namlen)
55#else
56#define D_NAMLEN(d)		(strlen((d)->d_name))
57#endif
58
59#if _mem_d_reclen_dirent
60#define D_RECLEN(d)		((d)->d_reclen)
61#else
62#define D_RECLEN(d)		D_RECSIZ(d,D_NAMLEN(d))
63#endif
64
65#define D_RECSIZ(d,n)		(sizeof(*(d))-sizeof((d)->d_name)+((n)+sizeof(char*))&~(sizeof(char*)-1))
66
67/*
68 * NOTE: 2003-03-27 mac osx bug symlink==DT_REG bug discovered;
69 *	 the kernel *and* all directories must be fixed, so d_type
70 *	 is summarily disabled until we see that happen
71 */
72
73#if _mem_d_type_dirent && defined(DT_UNKNOWN) && defined(DT_REG) && defined(DT_DIR) && defined(DT_LNK) && ! ( __APPLE__ || __MACH__ )
74#define D_TYPE(d)		((d)->d_type)
75#endif
76
77#endif
78