2 * Copyright (c) 2004 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sys/sys/nlookup.h,v 1.1 2004/09/28 00:25:31 dillon Exp $
37 #ifndef _SYS_NLOOKUP_H_
38 #define _SYS_NLOOKUP_H_
49 * Encapsulation of nlookup parameters
52 struct namecache *nl_ncp; /* start-point and result */
53 struct namecache *nl_rootncp; /* root directory */
54 struct namecache *nl_jailncp; /* jail directory */
56 char *nl_path; /* path buffer */
57 struct thread *nl_td; /* thread requesting the nlookup */
58 struct ucred *nl_cred; /* credentials for nlookup */
60 int nl_flags; /* operations flags */
61 int nl_loopcnt; /* symlinks encountered */
64 #define NLC_FOLLOW CNP_FOLLOW
65 #define NLC_NOCROSSMOUNT CNP_NOCROSSMOUNT
66 #define NLC_HASBUF CNP_HASBUF
67 #define NLC_ISWHITEOUT CNP_ISWHITEOUT
68 #define NLC_WILLBEDIR CNP_WILLBEDIR
69 #define NLC_NCPISLOCKED CNP_LOCKLEAF
73 int nlookup_init(struct nlookupdata *, const char *, enum uio_seg, int);
74 void nlookup_done(struct nlookupdata *);
75 struct namecache *nlookup_simple(const char *str, enum uio_seg seg,
76 int niflags, int *error);
77 int nlookup(struct nlookupdata *);
78 int nreadsymlink(struct nlookupdata *nd, struct namecache *ncp,
79 struct nlcomponent *nlc);
84 #endif /* !_SYS_NAMEI_H_ */