1 /* $OpenBSD: telldir.h,v 1.10 2015/08/27 04:37:09 guenther Exp $ */ 2 /* 3 * Copyright (c) 1983, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * Copyright (c) 2000 7 * Daniel Eischen. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * $FreeBSD: src/lib/libc/gen/telldir.h,v 1.2 2001/01/24 12:59:24 deischen Exp $ 34 */ 35 36 #ifndef _TELLDIR_H_ 37 #define _TELLDIR_H_ 38 39 /* structure describing an open directory. */ 40 struct _dirdesc { 41 int dd_fd; /* file descriptor associated with directory */ 42 long dd_loc; /* offset in current buffer */ 43 long dd_size; /* amount of data returned by getdents() */ 44 char *dd_buf; /* data buffer */ 45 int dd_len; /* size of data buffer */ 46 off_t dd_curpos; /* current cookie */ 47 off_t dd_bufpos; /* cookie of the first entry in dd_buf */ 48 void *dd_lock; /* mutex to protect struct */ 49 }; 50 51 __BEGIN_HIDDEN_DECLS 52 int _readdir_unlocked(DIR *, struct dirent **); 53 __END_HIDDEN_DECLS 54 55 #endif 56