/* $OpenBSD: dirent.h,v 1.16 2006/04/01 18:06:59 otto Exp $ */ /* $NetBSD: dirent.h,v 1.9 1995/03/26 20:13:37 jtc Exp $ */ /*- * Copyright (c) 1989, 1993 * 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. 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 8.2 (Berkeley) 7/28/94 */ #ifndef _DIRENT_H_ #define _DIRENT_H_ #include <sys/cdefs.h> /* * POSIX doesn't mandate this, but X/Open XPG 4.2 does. */ #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 #include <sys/types.h> #endif /* * The kernel defines the format of directory entries returned by * the getdirentries(2) system call. */ #include <sys/dirent.h> #if __BSD_VISIBLE || __XPG_VISIBLE #define d_ino d_fileno /* backward compatibility */ #endif #if __BSD_VISIBLE /* definitions for library routines operating on directories. */ #define DIRBLKSIZ 1024 struct _telldir; /* 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 */ long dd_rewind; /* magic cookie for rewinding */ int dd_flags; /* flags for readdir */ struct _telldir *dd_td; /* telldir position recording */ } DIR; #define dirfd(dirp) ((dirp)->dd_fd) /* flags for opendir2 */ #define DTF_NODUP 0x0002 /* don't return duplicate names */ #define __DTF_READALL 0x0008 /* everything has been read */ #ifndef NULL #ifdef __GNUG__ #define NULL __null #else #define NULL 0L #endif /* __GNUG__ */ #endif /* !NULL */ #else /* !__BSD_VISIBLE */ typedef void * DIR; #endif /* !__BSD_VISIBLE */ #ifndef _KERNEL __BEGIN_DECLS DIR *opendir(const char *); struct dirent *readdir(DIR *); void rewinddir(DIR *); int closedir(DIR *); #if __BSD_VISIBLE DIR *__opendir2(const char *, int); int scandir(const char *, struct dirent ***, int (*)(struct dirent *), int (*)(const void *, const void *)); int alphasort(const void *, const void *); int getdirentries(int, char *, int, long *) __attribute__ ((__bounded__(__string__,2,3))); #endif /* __BSD_VISIBLE */ #if __XPG_VISIBLE long telldir(DIR *); void seekdir(DIR *, long); #endif #if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE >= 500 int readdir_r(DIR *, struct dirent *, struct dirent **); #endif __END_DECLS #endif /* !_KERNEL */ #endif /* !_DIRENT_H_ */