108 lines
3.8 KiB
C
108 lines
3.8 KiB
C
/*-
|
|
* Copyright (c) 1989 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)dirent.h 5.18 (Berkeley) 2/23/91
|
|
*/
|
|
|
|
#ifndef _DIRENT_H_
|
|
#define _DIRENT_H_
|
|
|
|
/*
|
|
* A directory entry has a struct dirent at the front of it, containing its
|
|
* inode number, the length of the entry, and the length of the name
|
|
* contained in the entry. These are followed by the name padded to a 4
|
|
* byte boundary with null bytes. All names are guaranteed null terminated.
|
|
* The maximum length of a name in a directory is MAXNAMLEN.
|
|
*/
|
|
|
|
struct dirent {
|
|
u_long d_fileno; /* file number of entry */
|
|
u_short d_reclen; /* length of this record */
|
|
u_short d_namlen; /* length of string in d_name */
|
|
#ifdef _POSIX_SOURCE
|
|
char d_name[255 + 1]; /* name must be no longer than this */
|
|
#else
|
|
#define MAXNAMLEN 255
|
|
char d_name[MAXNAMLEN + 1]; /* name must be no longer than this */
|
|
#endif
|
|
};
|
|
|
|
#ifdef _POSIX_SOURCE
|
|
typedef void * DIR;
|
|
#else
|
|
|
|
#define d_ino d_fileno /* backward compatibility */
|
|
|
|
/* definitions for library routines operating on directories. */
|
|
#define DIRBLKSIZ 1024
|
|
|
|
/* structure describing an open directory. */
|
|
typedef struct _dirdesc {
|
|
int dd_fd; /* file descriptor associated with directory */
|
|
long dd_loc; /* offset in current buffer */
|
|
long dd_size; /* amount of data returned by getdirentries */
|
|
char *dd_buf; /* data buffer */
|
|
int dd_len; /* size of data buffer */
|
|
long dd_seek; /* magic cookie returned by getdirentries */
|
|
} DIR;
|
|
|
|
#define dirfd(dirp) ((dirp)->dd_fd)
|
|
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
|
|
#endif /* _POSIX_SOURCE */
|
|
|
|
#ifndef KERNEL
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
DIR *opendir __P((const char *));
|
|
struct dirent *readdir __P((DIR *));
|
|
void rewinddir __P((DIR *));
|
|
int closedir __P((DIR *));
|
|
#ifndef _POSIX_SOURCE
|
|
long telldir __P((const DIR *));
|
|
void seekdir __P((DIR *, long));
|
|
int scandir __P((const char *, struct dirent ***,
|
|
int (*)(struct dirent *), int (*)(const void *, const void *)));
|
|
int alphasort __P((const void *, const void *));
|
|
int getdirentries __P((int, char *, int, long *));
|
|
#endif /* not POSIX */
|
|
__END_DECLS
|
|
|
|
#endif /* !KERNEL */
|
|
|
|
#endif /* !_DIRENT_H_ */
|