| | 1 | /* posixdir.h -- Posix directory reading includes and defines. */ |
| | 2 | |
| | 3 | /* Copyright (C) 1987,1991,2012 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 | /* The bash code fairly consistenly uses d_fileno; make sure it's available */ |
| | 50 | #if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (HAVE_STRUCT_DIRENT_D_FILENO) |
| | 51 | # define d_fileno d_ino |
| | 52 | #endif |
| | 53 | |
| | 54 | /* Posix does not require that the d_ino field be present, and some |
| | 55 | systems do not provide it. */ |
| | 56 | #if !defined (HAVE_STRUCT_DIRENT_D_INO) || defined (BROKEN_DIRENT_D_INO) |
| | 57 | # define REAL_DIR_ENTRY(dp) 1 |
| | 58 | #else |
| | 59 | # define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) |
| | 60 | #endif /* _POSIX_SOURCE */ |
| | 61 | |
| | 62 | #if defined (HAVE_STRUCT_DIRENT_D_INO) && !defined (BROKEN_DIRENT_D_INO) |
| | 63 | # define D_INO_AVAILABLE |
| | 64 | #endif |
| | 65 | |
| | 66 | /* Signal the rest of the code that it can safely use dirent.d_fileno */ |
| | 67 | #if defined (D_INO_AVAILABLE) || defined (HAVE_STRUCT_DIRENT_D_FILENO) |
| | 68 | # define D_FILENO_AVAILABLE 1 |
| | 69 | #endif |
| | 70 | |
| | 71 | #endif /* !_POSIXDIR_H_ */ |
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