1 /* $NetBSD: sysmon_envsys_util.c,v 1.7 2020/06/11 02:39:31 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2007 Juan Romero Pardines.
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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: sysmon_envsys_util.c,v 1.7 2020/06/11 02:39:31 thorpej Exp $");
30
31 #include <sys/param.h>
32 #include <sys/types.h>
33 #include <sys/conf.h>
34 #include <sys/kernel.h>
35
36 #include <dev/sysmon/sysmonvar.h>
37 #include <dev/sysmon/sysmon_envsysvar.h>
38 #include <prop/proplib.h>
39
40 /*
41 * Functions to create objects in a dictionary if they do not exist, or
42 * for updating its value if it doesn't match with the value in dictionary.
43 */
44
45 int
sme_sensor_upbool(prop_dictionary_t dict,const char * key,bool val)46 sme_sensor_upbool(prop_dictionary_t dict, const char *key, bool val)
47 {
48 prop_object_t obj;
49
50 KASSERT(dict != NULL);
51
52 obj = prop_dictionary_get(dict, key);
53 if (obj) {
54 if (prop_bool_true(obj) != val) {
55 if (!prop_dictionary_set_bool(dict, key, val)) {
56 DPRINTF(("%s: (up) set_bool %s:%d\n",
57 __func__, key, val));
58 return EINVAL;
59 }
60 }
61 } else {
62 if (!prop_dictionary_set_bool(dict, key, val)) {
63 DPRINTF(("%s: (set) set_bool %s:%d\n",
64 __func__, key, val));
65 return EINVAL;
66 }
67 }
68
69 return 0;
70 }
71
72 int
sme_sensor_upint32(prop_dictionary_t dict,const char * key,int32_t val)73 sme_sensor_upint32(prop_dictionary_t dict, const char *key, int32_t val)
74 {
75 prop_object_t obj;
76
77 KASSERT(dict != NULL);
78
79 obj = prop_dictionary_get(dict, key);
80 if (obj) {
81 if (!prop_number_equals_signed(obj, val)) {
82 if (!prop_dictionary_set_int32(dict, key, val)) {
83 DPRINTF(("%s: (up) set_int32 %s:%d\n",
84 __func__, key, val));
85 return EINVAL;
86 }
87 }
88 } else {
89 if (!prop_dictionary_set_int32(dict, key, val)) {
90 DPRINTF(("%s: (set) set_int32 %s:%d\n",
91 __func__, key, val));
92 return EINVAL;
93 }
94 }
95
96 return 0;
97 }
98
99 int
sme_sensor_upuint32(prop_dictionary_t dict,const char * key,uint32_t val)100 sme_sensor_upuint32(prop_dictionary_t dict, const char *key, uint32_t val)
101 {
102 prop_object_t obj;
103
104 KASSERT(dict != NULL);
105
106 obj = prop_dictionary_get(dict, key);
107 if (obj) {
108 if (!prop_number_equals_unsigned(obj, val)) {
109 if (!prop_dictionary_set_uint32(dict, key, val)) {
110 DPRINTF(("%s: (up) set_uint32 %s:%d\n",
111 __func__, key, val));
112 return EINVAL;
113 }
114 }
115 } else {
116 if (!prop_dictionary_set_uint32(dict, key, val)) {
117 DPRINTF(("%s: (set) set_uint32 %s:%d\n",
118 __func__, key, val));
119 return EINVAL;
120 }
121 }
122
123 return 0;
124 }
125
126 int
sme_sensor_upstring(prop_dictionary_t dict,const char * key,const char * str)127 sme_sensor_upstring(prop_dictionary_t dict, const char *key, const char *str)
128 {
129 prop_object_t obj;
130
131 KASSERT(dict != NULL);
132
133 obj = prop_dictionary_get(dict, key);
134 if (obj == NULL) {
135 if (!prop_dictionary_set_string(dict, key, str)) {
136 DPRINTF(("%s: (up) set_cstring %s:%s\n",
137 __func__, key, str));
138 return EINVAL;
139 }
140 } else {
141 if (!prop_string_equals_string(obj, str)) {
142 if (!prop_dictionary_set_string(dict, key, str)) {
143 DPRINTF(("%s: (set) set_cstring %s:%s\n",
144 __func__, key, str));
145 return EINVAL;
146 }
147 }
148 }
149
150 return 0;
151 }
152