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[dragonfly.git] / lib / libprop / prop_dictionary_util.3
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1 .\"     $NetBSD: prop_dictionary_util.3,v 1.8 2011/10/17 09:24:54 wiz Exp $
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30 .Dd August 7, 2011
31 .Dt PROP_DICTIONARY_UTIL 3
32 .Os
33 .Sh NAME
34 .Nm prop_dictionary_util ,
35 .Nm prop_dictionary_get_dict ,
36 .Nm prop_dictionary_get_bool ,
37 .Nm prop_dictionary_set_bool ,
38 .Nm prop_dictionary_get_int8 ,
39 .Nm prop_dictionary_get_uint8 ,
40 .Nm prop_dictionary_set_int8 ,
41 .Nm prop_dictionary_set_uint8 ,
42 .Nm prop_dictionary_get_int16 ,
43 .Nm prop_dictionary_get_uint16 ,
44 .Nm prop_dictionary_set_int16 ,
45 .Nm prop_dictionary_set_uint16 ,
46 .Nm prop_dictionary_get_int32 ,
47 .Nm prop_dictionary_get_uint32 ,
48 .Nm prop_dictionary_set_int32 ,
49 .Nm prop_dictionary_set_uint32 ,
50 .Nm prop_dictionary_get_int64 ,
51 .Nm prop_dictionary_get_uint64 ,
52 .Nm prop_dictionary_set_int64 ,
53 .Nm prop_dictionary_set_uint64 ,
54 .Nm prop_dictionary_get_cstring ,
55 .Nm prop_dictionary_set_cstring ,
56 .Nm prop_dictionary_get_cstring_nocopy ,
57 .Nm prop_dictionary_set_cstring_nocopy ,
58 .Nm prop_dictionary_set_and_rel
59 .Nd dictionary property collection object utility functions
60 .Sh LIBRARY
61 .Lb libprop
62 .Sh SYNOPSIS
63 .In libprop/proplib.h
64 .\"
65 .Ft bool
66 .Fn prop_dictionary_get_dict "prop_dictionary_t dict" "const char *key" \
67     "prop_dictionary_t *dictp"
68 .Ft bool
69 .Fn prop_dictionary_get_bool "prop_dictionary_t dict" "const char *key" \
70     "bool *valp"
71 .Ft bool
72 .Fn prop_dictionary_set_bool "prop_dictionary_t dict" "const char *key" \
73     "bool val"
74 .\"
75 .Ft bool
76 .Fn prop_dictionary_get_int8 "prop_dictionary_t dict" "const char *key" \
77     "int8_t *valp"
78 .Ft bool
79 .Fn prop_dictionary_get_uint8 "prop_dictionary_t dict" "const char *key" \
80     "uint8_t *valp"
81 .Ft bool
82 .Fn prop_dictionary_set_int8 "prop_dictionary_t dict" "const char *key" \
83     "int8_t val"
84 .Ft bool
85 .Fn prop_dictionary_set_uint8 "prop_dictionary_t dict" "const char *key" \
86     "uint8_t val"
87 .\"
88 .Ft bool
89 .Fn prop_dictionary_get_int16 "prop_dictionary_t dict" "const char *key" \
90     "int16_t *valp"
91 .Ft bool
92 .Fn prop_dictionary_get_uint16 "prop_dictionary_t dict" "const char *key" \
93     "uint16_t *valp"
94 .Ft bool
95 .Fn prop_dictionary_set_int16 "prop_dictionary_t dict" "const char *key" \
96     "int16_t val"
97 .Ft bool
98 .Fn prop_dictionary_set_uint16 "prop_dictionary_t dict" "const char *key" \
99     "uint16_t val"
101 .Ft bool
102 .Fn prop_dictionary_get_int32 "prop_dictionary_t dict" "const char *key" \
103     "int32_t *valp"
104 .Ft bool
105 .Fn prop_dictionary_get_uint32 "prop_dictionary_t dict" "const char *key" \
106     "uint32_t *valp"
107 .Ft bool
108 .Fn prop_dictionary_set_int32 "prop_dictionary_t dict" "const char *key" \
109     "int32_t val"
110 .Ft bool
111 .Fn prop_dictionary_set_uint32 "prop_dictionary_t dict" "const char *key" \
112     "uint32_t val"
114 .Ft bool
115 .Fn prop_dictionary_get_int64 "prop_dictionary_t dict" "const char *key" \
116     "int64_t *valp"
117 .Ft bool
118 .Fn prop_dictionary_get_uint64 "prop_dictionary_t dict" "const char *key" \
119     "uint64_t *valp"
120 .Ft bool
121 .Fn prop_dictionary_set_int64 "prop_dictionary_t dict" "const char *key" \
122     "int64_t val"
123 .Ft bool
124 .Fn prop_dictionary_set_uint64 "prop_dictionary_t dict" "const char *key" \
125     "uint64_t val"
127 .Ft bool
128 .Fn prop_dictionary_get_cstring "prop_dictionary_t dict" "const char *key" \
129     "char **strp"
130 .Ft bool
131 .Fn prop_dictionary_set_cstring "prop_dictionary_t dict" "const char *key" \
132     "const char *str"
134 .Ft bool
135 .Fn prop_dictionary_get_cstring_nocopy "prop_dictionary_t dict" \
136     "const char *key" "const char **strp"
137 .Ft bool
138 .Fn prop_dictionary_set_cstring_nocopy "prop_dictionary_t dict" \
139     "const char *key" "const char *strp"
140 .Ft bool
141 .Fn prop_dictionary_set_and_rel "prop_dictionary_t dict" \
142     "const char *key" "prop_object_t obj"
143 .Sh DESCRIPTION
145 .Nm prop_dictionary_util
146 family of functions are provided to make getting and setting values in
147 dictionaries more convenient in some applications.
149 The getters check the type of the returned object and, in some cases, also
150 ensure that the returned value is within the range implied by the getter's
151 value type.
153 The setters handle object creation and release for the caller.
156 .Fn prop_dictionary_get_cstring
157 function returns dynamically allocated memory.
159 .Xr prop_string 3
160 for more information.
163 .Fn prop_dictionary_get_cstring_nocopy
165 .Fn prop_dictionary_set_cstring_nocopy
166 functions do not copy the string that is set or returned.
168 .Xr prop_string 3
169 for more information.
172 .Fn prop_dictionary_set_and_rel
173 function adds the object to the dictionary and releases it.
174 The object is also released on failure.
175 .Sh RETURN VALUES
177 .Nm prop_dictionary_util
178 getter functions return
179 .Dv true
180 if the object exists in the dictionary and the value is in-range, or
181 .Dv false
182 otherwise.
185 .Nm prop_dictionary_util
186 setter functions return
187 .Dv true
188 if creating the object and storing it in the dictionary is successful, or
189 .Dv false
190 otherwise.
191 .Sh SEE ALSO
192 .Xr prop_bool 3 ,
193 .Xr prop_dictionary 3 ,
194 .Xr prop_number 3 ,
195 .Xr proplib 3
196 .Sh HISTORY
198 .Nm proplib
199 property container object library first appeared in
200 .Nx 4.0 .