Annotation of kernel/bsd/sys/dirent.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
                     26: /*-
                     27:  * Copyright (c) 1989, 1993
                     28:  *     The Regents of the University of California.  All rights reserved.
                     29:  *
                     30:  * Redistribution and use in source and binary forms, with or without
                     31:  * modification, are permitted provided that the following conditions
                     32:  * are met:
                     33:  * 1. Redistributions of source code must retain the above copyright
                     34:  *    notice, this list of conditions and the following disclaimer.
                     35:  * 2. Redistributions in binary form must reproduce the above copyright
                     36:  *    notice, this list of conditions and the following disclaimer in the
                     37:  *    documentation and/or other materials provided with the distribution.
                     38:  * 3. All advertising materials mentioning features or use of this software
                     39:  *    must display the following acknowledgement:
                     40:  *     This product includes software developed by the University of
                     41:  *     California, Berkeley and its contributors.
                     42:  * 4. Neither the name of the University nor the names of its contributors
                     43:  *    may be used to endorse or promote products derived from this software
                     44:  *    without specific prior written permission.
                     45:  *
                     46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     56:  * SUCH DAMAGE.
                     57:  *
                     58:  *     @(#)dirent.h    8.3 (Berkeley) 8/10/94
                     59:  */
                     60: 
                     61: /*
                     62:  * The dirent structure defines the format of directory entries returned by 
                     63:  * the getdirentries(2) system call.
                     64:  *
                     65:  * A directory entry has a struct dirent at the front of it, containing its
                     66:  * inode number, the length of the entry, and the length of the name
                     67:  * contained in the entry.  These are followed by the name padded to a 4
                     68:  * byte boundary with null bytes.  All names are guaranteed null terminated.
                     69:  * The maximum length of a name in a directory is MAXNAMLEN.
                     70:  */
                     71: 
                     72: #ifndef _SYS_DIRENT_H 
                     73: #define _SYS_DIRENT_H 
                     74: 
                     75: struct dirent {
                     76:        u_int32_t d_fileno;             /* file number of entry */
                     77:        u_int16_t d_reclen;             /* length of this record */
                     78:        u_int8_t  d_type;               /* file type, see below */
                     79:        u_int8_t  d_namlen;             /* length of string in d_name */
                     80: #ifdef _POSIX_SOURCE
                     81:        char    d_name[255 + 1];        /* name must be no longer than this */
                     82: #else
                     83: #define        MAXNAMLEN       255
                     84:        char    d_name[MAXNAMLEN + 1];  /* name must be no longer than this */
                     85: #endif
                     86: };
                     87: 
                     88: /*
                     89:  * File types
                     90:  */
                     91: #define        DT_UNKNOWN       0
                     92: #define        DT_FIFO          1
                     93: #define        DT_CHR           2
                     94: #define        DT_DIR           4
                     95: #define        DT_BLK           6
                     96: #define        DT_REG           8
                     97: #define        DT_LNK          10
                     98: #define        DT_SOCK         12
                     99: #define        DT_WHT          14
                    100: 
                    101: /*
                    102:  * Convert between stat structure types and directory types.
                    103:  */
                    104: #define        IFTODT(mode)    (((mode) & 0170000) >> 12)
                    105: #define        DTTOIF(dirtype) ((dirtype) << 12)
                    106: 
                    107: #endif /* _SYS_DIRENT_H  */

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