Prex Home / Browse Source - Prex Version: 0.9.0

root/include/sys/dirent.h

INCLUDED FROM

   1 /*-
   2  * Copyright (c) 1989, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)dirent.h    8.3 (Berkeley) 8/10/94
  30  */
  32 #ifndef _SYS_DIRENT_H_
  33 #define _SYS_DIRENT_H_
  35 #include <sys/types.h>
  36 #include <sys/syslimits.h>
  38 /*
  39  * The dirent structure defines the format of directory entries returned by
  40  * the getdirentries(2) system call.
  41  *
  42  * A directory entry has a struct dirent at the front of it, containing its
  43  * inode number, the length of the entry, and the length of the name
  44  * contained in the entry.  These are followed by the name padded to a 4
  45  * byte boundary with null bytes.  All names are guaranteed null terminated.
  46  * The maximum length of a name in a directory is MAXNAMLEN.
  47  */
  49 struct dirent {
uint32_t d_fileno;              /* file number of entry */
uint16_t d_reclen;              /* length of this record */
uint16_t d_namlen;              /* length of string in d_name */
uint8_t  d_type;                /* file type, see below */
  54         char     d_name[NAME_MAX];      /* name must be no longer than this */
  55 };
  57 /*
  58  * File types
  59  */
  60 #define DT_UNKNOWN       0
  61 #define DT_FIFO          1
  62 #define DT_CHR           2
  63 #define DT_DIR           4
  64 #define DT_BLK           6
  65 #define DT_REG           8
  66 #define DT_LNK          10
  67 #define DT_SOCK         12
  68 #define DT_WHT          14
  70 /*
  71  * Convert between stat structure types and directory types.
  72  */
  73 #define IFTODT(mode)    (((mode) & 0170000) >> 12)
  74 #define DTTOIF(dirtype) ((dirtype) << 12)
  76 #endif  /* !_SYS_DIRENT_H_ */