| 1 | /*
|
|---|
| 2 | * shared_dirent.h - Shared structure used by the opendir() / readdir() / closedir() syscalls.
|
|---|
| 3 | *
|
|---|
| 4 | * Author Alain Greiner (2016,2017,2018)
|
|---|
| 5 | *
|
|---|
| 6 | * Copyright (c) UPMC Sorbonne Universites
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of ALMOS-MKH.
|
|---|
| 9 | *
|
|---|
| 10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it
|
|---|
| 11 | * under the terms of the GNU General Public License as published by
|
|---|
| 12 | * the Free Software Foundation; version 2.0 of the License.
|
|---|
| 13 | *
|
|---|
| 14 | * ALMOS-MKH is distributed in the hope that it will be useful, but
|
|---|
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 17 | * General Public License for more details.
|
|---|
| 18 | *
|
|---|
| 19 | * You should have received a copy of the GNU General Public License
|
|---|
| 20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation,
|
|---|
| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|---|
| 22 | */
|
|---|
| 23 |
|
|---|
| 24 | #ifndef _SHARED_DIRENT_H_
|
|---|
| 25 | #define _SHARED_DIRENT_H_
|
|---|
| 26 |
|
|---|
| 27 | /*******************************************************************************************
|
|---|
| 28 | * This enum defines the possible types for a dirent inode in a dirent structure.
|
|---|
| 29 | *
|
|---|
| 30 | * WARNING : these types must be kept consistent with inode types in <vfs.h> file.
|
|---|
| 31 | * and with types in <shared_stat.h> file.
|
|---|
| 32 | ******************************************************************************************/
|
|---|
| 33 |
|
|---|
| 34 | typedef enum
|
|---|
| 35 | {
|
|---|
| 36 | DT_REG = 0, /*! regular file */
|
|---|
| 37 | DT_DIR = 1, /*! directory */
|
|---|
| 38 | DT_FIFO = 2, /*! named pipe (FIFO) */
|
|---|
| 39 | DT_PIPE = 3, /*! anonymous pipe */
|
|---|
| 40 | DT_SOCK = 4, /*! socket */
|
|---|
| 41 | DT_CHR = 5, /*! character device */
|
|---|
| 42 | DT_BLK = 6, /*! block device */
|
|---|
| 43 | DT_LNK = 7, /*! symbolic link */
|
|---|
| 44 | DT_UNKNOWN = 8, /*! undetermined type */
|
|---|
| 45 | }
|
|---|
| 46 | dirent_type_t;
|
|---|
| 47 |
|
|---|
| 48 | /*******************************************************************************************
|
|---|
| 49 | * This defines the actual ALMOS-MKH implementation of the DIR user type.
|
|---|
| 50 | ******************************************************************************************/
|
|---|
| 51 |
|
|---|
| 52 | typedef unsigned int DIR;
|
|---|
| 53 |
|
|---|
| 54 | /*******************************************************************************************
|
|---|
| 55 | * This structure defines the informations returned to user by the readdir() syscall.
|
|---|
| 56 | *
|
|---|
| 57 | * WARNING: sizeof(dirent) must be 64 bytes.
|
|---|
| 58 | ******************************************************************************************/
|
|---|
| 59 |
|
|---|
| 60 | struct dirent
|
|---|
| 61 | {
|
|---|
| 62 | int d_ino; /*! inode identifier */
|
|---|
| 63 | int d_type; /*! inode type */
|
|---|
| 64 | char d_name[48]; /*! dentry name */
|
|---|
| 65 | char padding[64 - 48 - (2*sizeof(int))];
|
|---|
| 66 | };
|
|---|
| 67 |
|
|---|
| 68 | #endif
|
|---|
