232 lines
6.2 KiB
C
232 lines
6.2 KiB
C
/* $NetBSD: prop_dictionary_util.c,v 1.4 2011/03/24 17:05:39 bouyer 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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/*
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* Utility routines to make it more convenient to work with values
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* stored in dictionaries.
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*
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* Note: There is no special magic going on here. We use the standard
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* proplib(3) APIs to do all of this work. Any application could do
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* exactly what we're doing here.
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*/
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#include <prop/proplib.h>
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#include "prop_object_impl.h" /* only to hide kernel vs. not-kernel */
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bool
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prop_dictionary_get_dict(prop_dictionary_t dict, const char *key, prop_dictionary_t *dp)
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{
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prop_object_t o;
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o = prop_dictionary_get(dict, key);
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if (o == NULL || prop_object_type(o) != PROP_TYPE_DICTIONARY)
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return false;
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*dp = o;
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return true;
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}
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bool
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prop_dictionary_get_bool(prop_dictionary_t dict,
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const char *key,
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bool *valp)
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{
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prop_bool_t b;
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b = prop_dictionary_get(dict, key);
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if (prop_object_type(b) != PROP_TYPE_BOOL)
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return (false);
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*valp = prop_bool_true(b);
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return (true);
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}
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bool
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prop_dictionary_set_bool(prop_dictionary_t dict,
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const char *key,
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bool val)
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{
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prop_bool_t b;
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int rv;
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b = prop_bool_create(val);
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if (b == NULL)
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return (false);
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rv = prop_dictionary_set(dict, key, b);
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prop_object_release(b);
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return (rv);
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}
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#define TEMPLATE(size) \
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bool \
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prop_dictionary_get_int ## size (prop_dictionary_t dict, \
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const char *key, \
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int ## size ## _t *valp) \
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{ \
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prop_number_t num; \
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\
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num = prop_dictionary_get(dict, key); \
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if (prop_object_type(num) != PROP_TYPE_NUMBER) \
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return (false); \
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\
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if (prop_number_unsigned(num) && \
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prop_number_unsigned_integer_value(num) > \
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/*CONSTCOND*/((size) == 8 ? INT8_MAX : \
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(size) == 16 ? INT16_MAX : \
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(size) == 32 ? INT32_MAX : INT64_MAX)) { \
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return (false); \
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} \
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\
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if (prop_number_size(num) > (size)) \
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return (false); \
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\
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*valp = (int ## size ## _t) prop_number_integer_value(num); \
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\
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return (true); \
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} \
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\
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bool \
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prop_dictionary_get_uint ## size (prop_dictionary_t dict, \
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const char *key, \
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uint ## size ## _t *valp) \
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{ \
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prop_number_t num; \
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\
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num = prop_dictionary_get(dict, key); \
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if (prop_object_type(num) != PROP_TYPE_NUMBER) \
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return (false); \
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\
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if (prop_number_unsigned(num) == false && \
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prop_number_integer_value(num) < 0) { \
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return (false); \
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} \
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\
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if (prop_number_size(num) > (size)) \
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return (false); \
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\
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*valp = (uint ## size ## _t) \
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prop_number_unsigned_integer_value(num); \
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\
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return (true); \
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} \
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\
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bool \
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prop_dictionary_set_int ## size (prop_dictionary_t dict, \
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const char *key, \
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int ## size ## _t val) \
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{ \
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prop_number_t num; \
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int rv; \
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\
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num = prop_number_create_integer((int64_t) val); \
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if (num == NULL) \
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return (false); \
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rv = prop_dictionary_set(dict, key, num); \
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prop_object_release(num); \
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\
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return (rv); \
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} \
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\
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bool \
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prop_dictionary_set_uint ## size (prop_dictionary_t dict, \
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const char *key, \
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uint ## size ## _t val) \
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{ \
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prop_number_t num; \
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int rv; \
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\
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num = prop_number_create_unsigned_integer((uint64_t) val); \
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if (num == NULL) \
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return (false); \
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rv = prop_dictionary_set(dict, key, num); \
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prop_object_release(num); \
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\
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return (rv); \
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}
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TEMPLATE(8)
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TEMPLATE(16)
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TEMPLATE(32)
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TEMPLATE(64)
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#undef TEMPLATE
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#define TEMPLATE(variant, qualifier) \
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bool \
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prop_dictionary_get_cstring ## variant (prop_dictionary_t dict, \
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const char *key, \
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qualifier char **cpp) \
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{ \
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prop_string_t str; \
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\
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str = prop_dictionary_get(dict, key); \
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if (prop_object_type(str) != PROP_TYPE_STRING) \
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return (false); \
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\
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*cpp = prop_string_cstring ## variant (str); \
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\
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return (*cpp == NULL ? false : true); \
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} \
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\
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bool \
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prop_dictionary_set_cstring ## variant (prop_dictionary_t dict, \
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const char *key, \
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const char *cp) \
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{ \
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prop_string_t str; \
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int rv; \
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\
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str = prop_string_create_cstring ## variant (cp); \
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if (str == NULL) \
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return (false); \
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rv = prop_dictionary_set(dict, key, str); \
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prop_object_release(str); \
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\
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return (rv); \
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}
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TEMPLATE(,)
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TEMPLATE(_nocopy,const)
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#undef TEMPLATE
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bool
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prop_dictionary_set_and_rel(prop_dictionary_t dict, const char *key,
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prop_object_t po)
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{
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bool ret;
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if (po == NULL)
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return false;
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ret = prop_dictionary_set(dict, key, po);
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prop_object_release(po);
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return ret;
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}
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