bits/dirent.h

   1 /* Directory entry structure `struct dirent'.  4.4BSD/Generic version.
   2    Copyright (C) 1996-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _DIRENT_H
  20 # error "Never use <bits/dirent.h> directly; include <dirent.h> instead."
  21 #endif
  22
  23 struct dirent
  24   {
  25 #ifndef __USE_FILE_OFFSET64
  26     __ino_t d_ino;              /* File serial number.  */
  27 #else
  28     __ino64_t d_ino;
  29 #endif
  30     unsigned short int d_reclen; /* Length of the whole `struct dirent'.  */
  31     unsigned char d_type;       /* File type, possibly unknown.  */
  32     unsigned char d_namlen;     /* Length of the file name.  */
  33
  34     /* Only this member is in the POSIX standard.  */
  35     char d_name[1];             /* File name (actually longer).  */
  36   };
  37
  38 #ifdef __USE_LARGEFILE64
  39 struct dirent64
  40   {
  41     __ino64_t d_ino;
  42     unsigned short int d_reclen;
  43     unsigned char d_type;
  44     unsigned char d_namlen;
  45
  46     char d_name[1];
  47   };
  48 #endif
  49
  50 #define d_fileno        d_ino   /* Backwards compatibility.  */
  51
  52 #define _DIRENT_HAVE_D_RECLEN 1
  53 #define _DIRENT_HAVE_D_NAMLEN 1
  54 #define _DIRENT_HAVE_D_TYPE 1
  55
  56 #ifdef __INO_T_MATCHES_INO64_T
  57 /* Inform libc code that these two types are effectively identical.  */
  58 # define _DIRENT_MATCHES_DIRENT64       1
  59 #else
  60 # define _DIRENT_MATCHES_DIRENT64       0
  61 #endif