xref: /titanic_41/usr/src/lib/libast/common/dir/dirlib.h (revision 7b9b3bf3fd4f7bfad91fce91e3e9fba62ac85c77)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                      by AT&T Knowledge Ventures                      *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
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  * AT&T Research
25  *
26  * directory stream access library private definitions
27  * library routines should include this file rather than <dirent.h>
28  */
29 
30 #ifndef _DIRLIB_H
31 #define _DIRLIB_H
32 
33 #if defined(__STDPP__directive) && defined(__STDPP__hide)
34 __STDPP__directive pragma pp:hide getdents getdirentries
35 #else
36 #undef	getdents
37 #define getdents	______getdents
38 #undef	getdirentries
39 #define getdirentries	______getdirentries
40 #endif
41 
42 #include <ast.h>
43 #include <errno.h>
44 
45 #if _lib_opendir && ( _hdr_dirent || _hdr_ndir || _sys_dir )
46 
47 #define _dir_ok		1
48 
49 #include <ls.h>
50 
51 #ifndef _DIRENT_H
52 #if _hdr_dirent
53 #if _typ_off64_t
54 #undef	off_t
55 #endif
56 #include <dirent.h>
57 #if _typ_off64_t
58 #define off_t	off64_t
59 #endif
60 #else
61 #if _hdr_ndir
62 #include <ndir.h>
63 #else
64 #include <sys/dir.h>
65 #endif
66 #ifndef dirent
67 #define dirent	direct
68 #endif
69 #endif
70 #endif
71 
72 #define DIRdirent	dirent
73 
74 #else
75 
76 #define dirent	DIRdirent
77 
78 #if defined(__STDPP__directive) && defined(__STDPP__hide)
79 __STDPP__directive pragma pp:hide DIR closedir opendir readdir seekdir telldir
80 #else
81 #undef	DIR
82 #define DIR		______DIR
83 #undef	closedir
84 #define closedir	______closedir
85 #undef	opendir
86 #define opendir		______opendir
87 #undef	readdir
88 #define readdir		______readdir
89 #undef	seekdir
90 #define seekdir		______seekdir
91 #undef	telldir
92 #define telldir		______telldir
93 #endif
94 
95 #include <ast_param.h>
96 
97 #include <ls.h>
98 #include <limits.h>
99 
100 #ifndef _DIRENT_H
101 #if _hdr_dirent
102 #if _typ_off64_t
103 #undef	off_t
104 #endif
105 #include <dirent.h>
106 #if _typ_off64_t
107 #define off_t	off64_t
108 #endif
109 #else
110 #if _hdr_direntry
111 #include <direntry.h>
112 #else
113 #include <sys/dir.h>
114 #endif
115 #endif
116 #endif
117 
118 #undef	dirent
119 #if defined(__STDPP__directive) && defined(__STDPP__hide)
120 __STDPP__directive pragma pp:nohide DIR closedir opendir readdir seekdir telldir
121 #else
122 #undef	DIR
123 #undef	closedir
124 #undef	opendir
125 #undef	readdir
126 #undef	seekdir
127 #undef	telldir
128 #endif
129 
130 #define _DIR_PRIVATE_ \
131 	int		dd_loc;		/* offset in block		*/ \
132 	int		dd_size;	/* valid data in block		*/ \
133 	char*		dd_buf;		/* directory block		*/
134 
135 #ifdef _BLD_3d
136 #define DIR		DIRDIR
137 #endif
138 #undef	_DIRENT_H
139 #include "dirstd.h"
140 #ifndef _DIRENT_H
141 #define _DIRENT_H	1
142 #endif
143 #ifdef _BLD_3d
144 #undef	DIR
145 #endif
146 
147 #ifndef	DIRBLKSIZ
148 #ifdef	DIRBLK
149 #define DIRBLKSIZ	DIRBLK
150 #else
151 #ifdef	DIRBUF
152 #define DIRBLKSIZ	DIRBUF
153 #else
154 #define DIRBLKSIZ	8192
155 #endif
156 #endif
157 #endif
158 
159 #endif
160 
161 #if defined(__STDPP__directive) && defined(__STDPP__hide)
162 __STDPP__directive pragma pp:nohide getdents getdirentries
163 #else
164 #undef	getdents
165 #undef	getdirentries
166 #endif
167 
168 #ifndef errno
169 extern int	errno;
170 #endif
171 
172 extern ssize_t		getdents(int, void*, size_t);
173 
174 #endif
175