| 1 | /*
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| 2 | * shared_dirent.h - Shared structure used by the opendir() / readdir() / closedir() syscalls.
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| 3 | *
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| 4 | * Author Alain Greiner (2016,2017,2018)
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| 5 | *
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| 6 | * Copyright (c) UPMC Sorbonne Universites
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| 7 | *
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| 8 | * This file is part of ALMOS-MKH.
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| 9 | *
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| 10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it
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| 11 | * under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; version 2.0 of the License.
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| 13 | *
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| 14 | * ALMOS-MKH is distributed in the hope that it will be useful, but
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 17 | * General Public License for more details.
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| 18 | *
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| 19 | * You should have received a copy of the GNU General Public License
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| 20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation,
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| 21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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| 22 | */
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| 23 |
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| 24 | #ifndef _SHARED_DIRENT_H_
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| 25 | #define _SHARED_DIRENT_H_
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| 26 |
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| 27 | /*******************************************************************************************
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| 28 | * These two structure defines the informations returned to user by the opendir()
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| 29 | * function, used by the readdir() function, and released by the closedir() function.
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| 30 | * - "DIR" describes the complete directory.
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| 31 | * - "dirent" describes one directory entry.
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| 32 | ******************************************************************************************/
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| 33 |
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| 34 | #define DIRENT_NAME_MAX_LENGTH 56
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| 35 | #define DIRENT_MAX_NUMBER 63
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| 36 |
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| 37 | struct dirent
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| 38 | {
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| 39 | unsigned int inum; /*! inode identifier */
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| 40 | unsigned int type; /*! inode type */
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| 41 | char name[DIRENT_NAME_MAX_LENGTH]; /*! directory entry name */
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| 42 | };
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| 43 |
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| 44 | typedef struct user_directory
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| 45 | {
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| 46 | struct dirent entry[DIRENT_MAX_NUMBER];
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| 47 | unsigned int current;
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| 48 | }
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| 49 | DIR;
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| 50 |
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| 51 | #endif
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