usr/src/lib/libast/common/dir/dirlib.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   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