xref: /netbsd/lib/libc/citrus/citrus_lookup.h (revision 6550d01e)
1 /*	$NetBSD: citrus_lookup.h,v 1.2 2004/07/21 14:16:34 tshiozak Exp $	*/
2 
3 /*-
4  * Copyright (c)2003 Citrus Project,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef _CITRUS_LOOKUP_H_
30 #define _CITRUS_LOOKUP_H_
31 
32 #define _CITRUS_LOOKUP_CASE_SENSITIVE	0
33 #define _CITRUS_LOOKUP_CASE_IGNORE	1
34 
35 struct _citrus_lookup;
36 __BEGIN_DECLS
37 char *_citrus_lookup_simple(const char *, const char *, char *, size_t, int);
38 int _citrus_lookup_seq_open(struct _citrus_lookup **, const char *, int);
39 void _citrus_lookup_seq_rewind(struct _citrus_lookup *);
40 int _citrus_lookup_seq_next(struct _citrus_lookup *,
41 			    struct _region *, struct _region *);
42 int _citrus_lookup_seq_lookup(struct _citrus_lookup *, const char *,
43 			      struct _region *);
44 int _citrus_lookup_get_number_of_entries(struct _citrus_lookup *);
45 void _citrus_lookup_seq_close(struct _citrus_lookup *);
46 __END_DECLS
47 
48 static __inline const char *
49 _citrus_lookup_alias(const char *path, const char *key, char *buf, size_t n,
50 		     int ignore_case)
51 {
52 	const char *ret;
53 
54 	ret = _citrus_lookup_simple(path, key, buf, n, ignore_case);
55 	if (ret == NULL)
56 		ret = key;
57 
58 	return ret;
59 }
60 
61 #endif
62