1 /* $NetBSD: properties.c,v 1.1 2015/05/13 07:07:36 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: properties.c,v 1.1 2015/05/13 07:07:36 pgoyette Exp $");
31
32 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35
36 MODULE(MODULE_CLASS_MISC, properties, NULL);
37
38 static void
handle_props(prop_dictionary_t props)39 handle_props(prop_dictionary_t props)
40 {
41 const char *msg;
42 prop_string_t str;
43
44 if (props != NULL) {
45 str = prop_dictionary_get(props, "msg");
46 } else {
47 printf("No property dictionary was provided.\n");
48 str = NULL;
49 }
50 if (str == NULL)
51 printf("The 'msg' property was not given.\n");
52 else if (prop_object_type(str) != PROP_TYPE_STRING)
53 printf("The 'msg' property is not a string.\n");
54 else {
55 msg = prop_string_cstring_nocopy(str);
56 if (msg == NULL)
57 printf("Failed to process the 'msg' property.\n");
58 else
59 printf("The 'msg' property is: %s\n", msg);
60 }
61 }
62
63 static int
properties_modcmd(modcmd_t cmd,void * arg)64 properties_modcmd(modcmd_t cmd, void *arg)
65 {
66 switch (cmd) {
67 case MODULE_CMD_INIT:
68 handle_props(arg);
69 return 0;
70 case MODULE_CMD_FINI:
71 return 0;
72 default:
73 return ENOTTY;
74 }
75 }
76