1 /*
2  * Copyright (c) 2021, 2022 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef TABLE_H
18 #define TABLE_H
19 
20 enum table_type {
21 	T_NONE		= 0,
22 	T_HASH		= 0x01,
23 };
24 
25 struct table {
26 	char			 t_name[LINE_MAX];
27 	enum table_type		 t_type;
28 	char			 t_path[PATH_MAX];
29 	void			*t_handle;
30 	struct table_backend	*t_backend;
31 };
32 
33 struct table_backend {
34 	const char	*name;
35 	int		(*open)(struct table *);
36 	int		(*add)(struct table *, const char *, const char *);
37 	int		(*lookup)(struct table *, const char *, char **);
38 	void		(*close)(struct table *);
39 };
40 
41 /* table_static.c */
42 extern struct table_backend table_static;
43 
44 int	 table_open(struct kd_conf *, const char *, const char *, const char *);
45 int	 table_add(struct table *, const char *, const char *);
46 int	 table_lookup(struct table *, const char *, char **);
47 void	 table_close(struct table *);
48 
49 #endif