201 lines
6.3 KiB
Groff
201 lines
6.3 KiB
Groff
.\" $NetBSD: prop_dictionary_util.3,v 1.8 2011/10/17 09:24:54 wiz Exp $
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.\"
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.\" Copyright (c) 2006 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Jason R. Thorpe.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd August 7, 2011
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.Dt PROP_DICTIONARY_UTIL 3
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.Os
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.Sh NAME
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.Nm prop_dictionary_util ,
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.Nm prop_dictionary_get_dict ,
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.Nm prop_dictionary_get_bool ,
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.Nm prop_dictionary_set_bool ,
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.Nm prop_dictionary_get_int8 ,
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.Nm prop_dictionary_get_uint8 ,
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.Nm prop_dictionary_set_int8 ,
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.Nm prop_dictionary_set_uint8 ,
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.Nm prop_dictionary_get_int16 ,
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.Nm prop_dictionary_get_uint16 ,
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.Nm prop_dictionary_set_int16 ,
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.Nm prop_dictionary_set_uint16 ,
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.Nm prop_dictionary_get_int32 ,
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.Nm prop_dictionary_get_uint32 ,
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.Nm prop_dictionary_set_int32 ,
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.Nm prop_dictionary_set_uint32 ,
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.Nm prop_dictionary_get_int64 ,
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.Nm prop_dictionary_get_uint64 ,
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.Nm prop_dictionary_set_int64 ,
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.Nm prop_dictionary_set_uint64 ,
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.Nm prop_dictionary_get_cstring ,
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.Nm prop_dictionary_set_cstring ,
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.Nm prop_dictionary_get_cstring_nocopy ,
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.Nm prop_dictionary_set_cstring_nocopy ,
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.Nm prop_dictionary_set_and_rel
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.Nd dictionary property collection object utility functions
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.Sh LIBRARY
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.Lb libprop
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.Sh SYNOPSIS
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.In prop/proplib.h
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.\"
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.Ft bool
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.Fn prop_dictionary_get_dict "prop_dictionary_t dict" "const char *key" \
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"prop_dictionary_t *dictp"
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.Ft bool
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.Fn prop_dictionary_get_bool "prop_dictionary_t dict" "const char *key" \
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"bool *valp"
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.Ft bool
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.Fn prop_dictionary_set_bool "prop_dictionary_t dict" "const char *key" \
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"bool val"
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.\"
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.Ft bool
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.Fn prop_dictionary_get_int8 "prop_dictionary_t dict" "const char *key" \
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"int8_t *valp"
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.Ft bool
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.Fn prop_dictionary_get_uint8 "prop_dictionary_t dict" "const char *key" \
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"uint8_t *valp"
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.Ft bool
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.Fn prop_dictionary_set_int8 "prop_dictionary_t dict" "const char *key" \
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"int8_t val"
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.Ft bool
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.Fn prop_dictionary_set_uint8 "prop_dictionary_t dict" "const char *key" \
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"uint8_t val"
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.\"
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.Ft bool
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.Fn prop_dictionary_get_int16 "prop_dictionary_t dict" "const char *key" \
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"int16_t *valp"
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.Ft bool
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.Fn prop_dictionary_get_uint16 "prop_dictionary_t dict" "const char *key" \
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"uint16_t *valp"
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.Ft bool
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.Fn prop_dictionary_set_int16 "prop_dictionary_t dict" "const char *key" \
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"int16_t val"
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.Ft bool
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.Fn prop_dictionary_set_uint16 "prop_dictionary_t dict" "const char *key" \
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"uint16_t val"
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.\"
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.Ft bool
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.Fn prop_dictionary_get_int32 "prop_dictionary_t dict" "const char *key" \
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"int32_t *valp"
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.Ft bool
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.Fn prop_dictionary_get_uint32 "prop_dictionary_t dict" "const char *key" \
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"uint32_t *valp"
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.Ft bool
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.Fn prop_dictionary_set_int32 "prop_dictionary_t dict" "const char *key" \
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"int32_t val"
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.Ft bool
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.Fn prop_dictionary_set_uint32 "prop_dictionary_t dict" "const char *key" \
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"uint32_t val"
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.\"
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.Ft bool
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.Fn prop_dictionary_get_int64 "prop_dictionary_t dict" "const char *key" \
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"int64_t *valp"
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.Ft bool
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.Fn prop_dictionary_get_uint64 "prop_dictionary_t dict" "const char *key" \
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"uint64_t *valp"
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.Ft bool
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.Fn prop_dictionary_set_int64 "prop_dictionary_t dict" "const char *key" \
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"int64_t val"
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.Ft bool
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.Fn prop_dictionary_set_uint64 "prop_dictionary_t dict" "const char *key" \
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"uint64_t val"
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.\"
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.Ft bool
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.Fn prop_dictionary_get_cstring "prop_dictionary_t dict" "const char *key" \
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"char **strp"
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.Ft bool
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.Fn prop_dictionary_set_cstring "prop_dictionary_t dict" "const char *key" \
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"const char *str"
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.\"
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.Ft bool
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.Fn prop_dictionary_get_cstring_nocopy "prop_dictionary_t dict" \
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"const char *key" "const char **strp"
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.Ft bool
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.Fn prop_dictionary_set_cstring_nocopy "prop_dictionary_t dict" \
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"const char *key" "const char *strp"
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.Ft bool
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.Fn prop_dictionary_set_and_rel "prop_dictionary_t dict" \
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"const char *key" "prop_object_t obj"
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.Sh DESCRIPTION
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The
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.Nm prop_dictionary_util
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family of functions are provided to make getting and setting values in
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dictionaries more convenient in some applications.
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.Pp
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The getters check the type of the returned object and, in some cases, also
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ensure that the returned value is within the range implied by the getter's
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value type.
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.Pp
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The setters handle object creation and release for the caller.
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.Pp
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The
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.Fn prop_dictionary_get_cstring
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function returns dynamically allocated memory.
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See
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.Xr prop_string 3
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for more information.
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.Pp
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The
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.Fn prop_dictionary_get_cstring_nocopy
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and
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.Fn prop_dictionary_set_cstring_nocopy
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functions do not copy the string that is set or returned.
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See
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.Xr prop_string 3
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for more information.
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.Pp
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The
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.Fn prop_dictionary_set_and_rel
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function adds the object to the dictionary and releases it.
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The object is also released on failure.
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.Sh RETURN VALUES
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The
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.Nm prop_dictionary_util
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getter functions return
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.Dv true
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if the object exists in the dictionary and the value is in-range, or
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.Dv false
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otherwise.
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.Pp
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The
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.Nm prop_dictionary_util
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setter functions return
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.Dv true
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if creating the object and storing it in the dictionary is successful, or
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.Dv false
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otherwise.
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.Sh SEE ALSO
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.Xr prop_bool 3 ,
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.Xr prop_dictionary 3 ,
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.Xr prop_number 3 ,
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.Xr proplib 3
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.Sh HISTORY
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The
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.Nm proplib
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property container object library first appeared in
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.Nx 4.0 .
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