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 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation, either version 3 of the License, or 10 (at your option) any later version. 11 12 Bash is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with Bash. If not, see <http://www.gnu.org/licenses/>. 19 */ 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