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.\" $NetBSD: prop_array_util.3,v 1.7 2011/10/17 09:24:54 wiz Exp $
.\"
.\" Copyright (c) 2006 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jason R. Thorpe.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd March 12, 2011
.Dt PROP_ARRAY_UTIL 3
.Os
.Sh NAME
.Nm prop_array_util ,
.Nm prop_array_get_bool ,
.Nm prop_array_set_bool ,
.Nm prop_array_get_int8 ,
.Nm prop_array_get_uint8 ,
.Nm prop_array_set_int8 ,
.Nm prop_array_set_uint8 ,
.Nm prop_array_get_int16 ,
.Nm prop_array_get_uint16 ,
.Nm prop_array_set_int16 ,
.Nm prop_array_set_uint16 ,
.Nm prop_array_get_int32 ,
.Nm prop_array_get_uint32 ,
.Nm prop_array_set_int32 ,
.Nm prop_array_set_uint32 ,
.Nm prop_array_get_int64 ,
.Nm prop_array_get_uint64 ,
.Nm prop_array_set_int64 ,
.Nm prop_array_set_uint64 ,
.Nm prop_array_add_int8 ,
.Nm prop_array_add_uint8 ,
.Nm prop_array_add_int16 ,
.Nm prop_array_add_uint16 ,
.Nm prop_array_add_int32 ,
.Nm prop_array_add_uint32 ,
.Nm prop_array_add_int64 ,
.Nm prop_array_add_uint64 ,
.Nm prop_array_get_cstring ,
.Nm prop_array_set_cstring ,
.Nm prop_array_get_cstring_nocopy ,
.Nm prop_array_set_cstring_nocopy ,
.Nm prop_array_add_and_rel
.Nd array property collection object utility functions
.Sh LIBRARY
.Lb libprop
.Sh SYNOPSIS
.In prop/proplib.h
.\"
.Ft bool
.Fn prop_array_get_bool "prop_array_t dict" "unsigned int indx" \
"bool *valp"
.Ft bool
.Fn prop_array_set_bool "prop_array_t dict" "unsigned int indx" \
"bool val"
.\"
.Ft bool
.Fn prop_array_get_int8 "prop_array_t dict" "unsigned int indx" \
"int8_t *valp"
.Ft bool
.Fn prop_array_get_uint8 "prop_array_t dict" "unsigned int indx" \
"uint8_t *valp"
.Ft bool
.Fn prop_array_set_int8 "prop_array_t dict" "unsigned int indx" \
"int8_t val"
.Ft bool
.Fn prop_array_set_uint8 "prop_array_t dict" "unsigned int indx" \
"uint8_t val"
.\"
.Ft bool
.Fn prop_array_get_int16 "prop_array_t dict" "unsigned int indx" \
"int16_t *valp"
.Ft bool
.Fn prop_array_get_uint16 "prop_array_t dict" "unsigned int indx" \
"uint16_t *valp"
.Ft bool
.Fn prop_array_set_int16 "prop_array_t dict" "unsigned int indx" \
"int16_t val"
.Ft bool
.Fn prop_array_set_uint16 "prop_array_t dict" "unsigned int indx" \
"uint16_t val"
.\"
.Ft bool
.Fn prop_array_get_int32 "prop_array_t dict" "unsigned int indx" \
"int32_t *valp"
.Ft bool
.Fn prop_array_get_uint32 "prop_array_t dict" "unsigned int indx" \
"uint32_t *valp"
.Ft bool
.Fn prop_array_set_int32 "prop_array_t dict" "unsigned int indx" \
"int32_t val"
.Ft bool
.Fn prop_array_set_uint32 "prop_array_t dict" "unsigned int indx" \
"uint32_t val"
.\"
.Ft bool
.Fn prop_array_get_int64 "prop_array_t dict" "unsigned int indx" \
"int64_t *valp"
.Ft bool
.Fn prop_array_get_uint64 "prop_array_t dict" "unsigned int indx" \
"uint64_t *valp"
.Ft bool
.Fn prop_array_set_int64 "prop_array_t dict" "unsigned int indx" \
"int64_t val"
.Ft bool
.Fn prop_array_set_uint64 "prop_array_t dict" "unsigned int indx" \
"uint64_t val"
.\"
.Ft bool
.Fn prop_array_set_int32 "prop_array_t dict" "unsigned int indx" \
"int32_t val"
.Ft bool
.Fn prop_array_set_uint32 "prop_array_t dict" "unsigned int indx" \
"uint32_t val"
.\"
.Ft bool
.Fn prop_array_add_int8 "prop_array_t dict" "int8_t val"
.Ft bool
.Fn prop_array_add_uint8 "prop_array_t dict" "uint8_t val"
.Ft bool
.Fn prop_array_add_int16 "prop_array_t dict" "int16_t val"
.Ft bool
.Fn prop_array_add_uint16 "prop_array_t dict" "uint16_t val"
.Ft bool
.Fn prop_array_add_int32 "prop_array_t dict" "int32_t val"
.Ft bool
.Fn prop_array_add_uint32 "prop_array_t dict" "uint32_t val"
.Ft bool
.Fn prop_array_add_int64 "prop_array_t dict" "int64_t val"
.Ft bool
.Fn prop_array_add_uint64 "prop_array_t dict" "uint64_t val"
.\"
.Ft bool
.Fn prop_array_get_cstring "prop_array_t dict" "unsigned int indx" \
"char **strp"
.Ft bool
.Fn prop_array_set_cstring "prop_array_t dict" "unsigned int indx" \
"const char *str"
.\"
.Ft bool
.Fn prop_array_get_cstring_nocopy "prop_array_t dict" \
"unsigned int indx" "const char **strp"
.Ft bool
.Fn prop_array_set_cstring_nocopy "prop_array_t dict" \
"unsigned int indx" "const char *strp"
.Ft bool
.Fn prop_array_add_and_rel "prop_array_t dict" \
"prop_object_t obj"
.Sh DESCRIPTION
The
.Nm prop_array_util
family of functions are provided to make getting and setting values in
arrays more convenient in some applications.
.Pp
The getters check the type of the returned object and, in some cases, also
ensure that the returned value is within the range implied by the getter's
value type.
.Pp
The setters handle object creation and release for the caller.
.Pp
The
.Fn prop_array_get_cstring
function returns dynamically allocated memory.
See
.Xr prop_string 3
for more information.
.Pp
The
.Fn prop_array_get_cstring_nocopy
and
.Fn prop_array_set_cstring_nocopy
functions do not copy the string that is set or returned.
See
.Xr prop_string 3
for more information.
.Pp
The
.Fn prop_array_add_and_rel
function adds the object to the end of the array and releases it.
The object is also released on failure.
.Sh RETURN VALUES
The
.Nm prop_array_util
getter functions return
.Dv true
if the object exists in the array and the value is in-range, or
.Dv false
otherwise.
.Pp
The
.Nm prop_array_util
setter functions return
.Dv true
if creating the object and storing it in the array is successful, or
.Dv false
otherwise.
.Sh SEE ALSO
.Xr prop_array 3 ,
.Xr prop_bool 3 ,
.Xr prop_number 3 ,
.Xr proplib 3
.Sh HISTORY
The
.Nm proplib
property container object library first appeared in
.Nx 4.0 .
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