317 lines
8.4 KiB
C
317 lines
8.4 KiB
C
/* $NetBSD: prop_dictionary_util.c,v 1.8 2020/06/15 00:46:00 christos Exp $ */
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/*-
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* Copyright (c) 2006, 2020 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_object_impl.h" /* only to hide kernel vs. not-kernel */
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#include <prop/proplib.h>
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bool
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prop_dictionary_get_dict(prop_dictionary_t dict, const char *key,
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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 (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, const char *key, 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, const char *key, bool val)
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{
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return prop_dictionary_set_and_rel(dict, key, prop_bool_create(val));
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}
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#define TEMPLATE(name, typ) \
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bool \
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prop_dictionary_get_ ## name (prop_dictionary_t dict, \
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const char *key, \
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typ *valp) \
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{ \
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return prop_number_ ## name ## _value( \
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prop_dictionary_get(dict, key), valp); \
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}
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TEMPLATE(schar, signed char)
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TEMPLATE(short, short)
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TEMPLATE(int, int)
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TEMPLATE(long, long)
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TEMPLATE(longlong, long long)
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TEMPLATE(intptr, intptr_t)
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TEMPLATE(int8, int8_t)
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TEMPLATE(int16, int16_t)
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TEMPLATE(int32, int32_t)
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TEMPLATE(int64, int64_t)
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TEMPLATE(uchar, unsigned char)
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TEMPLATE(ushort, unsigned short)
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TEMPLATE(uint, unsigned int)
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TEMPLATE(ulong, unsigned long)
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TEMPLATE(ulonglong, unsigned long long)
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TEMPLATE(uintptr, uintptr_t)
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TEMPLATE(uint8, uint8_t)
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TEMPLATE(uint16, uint16_t)
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TEMPLATE(uint32, uint32_t)
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TEMPLATE(uint64, uint64_t)
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#undef TEMPLATE
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static bool
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prop_dictionary_set_signed_number(prop_dictionary_t dict, const char *key,
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intmax_t val)
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{
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return prop_dictionary_set_and_rel(dict, key,
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prop_number_create_signed(val));
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}
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static bool
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prop_dictionary_set_unsigned_number(prop_dictionary_t dict, const char *key,
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uintmax_t val)
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{
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/*LINTED: for conversion from 'long long' to 'long'*/ \
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return prop_dictionary_set_and_rel(dict, key,
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prop_number_create_unsigned(val));
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}
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#define TEMPLATE(name, which, typ) \
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bool \
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prop_dictionary_set_ ## name (prop_dictionary_t dict, \
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const char *key, \
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typ val) \
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{ \
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/*LINTED: for conversion from long long to 'long'*/ \
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return prop_dictionary_set_ ## which ## _number(dict, key, val);\
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}
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#define STEMPLATE(name, typ) TEMPLATE(name, signed, typ)
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#define UTEMPLATE(name, typ) TEMPLATE(name, unsigned, typ)
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STEMPLATE(schar, signed char)
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STEMPLATE(short, short)
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STEMPLATE(int, int)
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STEMPLATE(long, long)
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STEMPLATE(longlong, long long)
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STEMPLATE(intptr, intptr_t)
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STEMPLATE(int8, int8_t)
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STEMPLATE(int16, int16_t)
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STEMPLATE(int32, int32_t)
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STEMPLATE(int64, int64_t)
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UTEMPLATE(uchar, unsigned char)
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UTEMPLATE(ushort, unsigned short)
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UTEMPLATE(uint, unsigned int)
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UTEMPLATE(ulong, unsigned long)
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UTEMPLATE(ulonglong, unsigned long long)
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UTEMPLATE(uintptr, uintptr_t)
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UTEMPLATE(uint8, uint8_t)
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UTEMPLATE(uint16, uint16_t)
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UTEMPLATE(uint32, uint32_t)
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UTEMPLATE(uint64, uint64_t)
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#undef STEMPLATE
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#undef UTEMPLATE
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#undef TEMPLATE
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bool
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prop_dictionary_get_string(prop_dictionary_t dict, const char *key,
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const char **cpp)
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{
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prop_string_t str;
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const char *cp;
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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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cp = prop_string_value(str);
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if (cp == NULL)
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return (false);
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*cpp = cp;
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return (true);
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}
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bool
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prop_dictionary_set_string(prop_dictionary_t dict, const char *key,
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const char *cp)
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{
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return prop_dictionary_set_and_rel(dict, key,
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prop_string_create_copy(cp));
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}
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bool
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prop_dictionary_set_string_nocopy(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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return prop_dictionary_set_and_rel(dict, key,
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prop_string_create_nocopy(cp));
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}
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bool
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prop_dictionary_get_data(prop_dictionary_t dict, const char *key,
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const void **vp, size_t *sizep)
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{
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prop_data_t data;
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const void *v;
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data = prop_dictionary_get(dict, key);
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if (prop_object_type(data) != PROP_TYPE_DATA)
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return (false);
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v = prop_data_value(data);
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if (v == NULL)
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return (false);
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*vp = v;
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if (sizep != NULL)
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*sizep = prop_data_size(data);
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return (true);
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}
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bool
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prop_dictionary_set_data(prop_dictionary_t dict, const char *key,
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const void *v, size_t size)
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{
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return prop_dictionary_set_and_rel(dict, key,
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prop_data_create_copy(v, size));
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}
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bool
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prop_dictionary_set_data_nocopy(prop_dictionary_t dict, const char *key,
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const void *v, size_t size)
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{
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return prop_dictionary_set_and_rel(dict, key,
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prop_data_create_nocopy(v, size));
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}
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_PROP_DEPRECATED(prop_dictionary_get_cstring,
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"this program uses prop_dictionary_get_cstring(), "
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"which is deprecated; use prop_dictionary_get_string() and copy instead.")
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bool
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prop_dictionary_get_cstring(prop_dictionary_t dict,
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const char *key,
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char **cpp)
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{
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prop_string_t str;
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char *cp;
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size_t len;
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bool rv;
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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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len = prop_string_size(str);
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cp = _PROP_MALLOC(len + 1, M_TEMP);
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if (cp == NULL)
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return (false);
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rv = prop_string_copy_value(str, cp, len + 1);
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if (rv)
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*cpp = cp;
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else
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_PROP_FREE(cp, M_TEMP);
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return (rv);
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}
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_PROP_DEPRECATED(prop_string_get_cstring_nocopy,
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"this program uses prop_string_get_cstring_nocopy(), "
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"which is deprecated; use prop_dictionary_get_string() instead.")
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bool
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prop_dictionary_get_cstring_nocopy(prop_dictionary_t dict,
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const char *key,
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const char **cpp)
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{
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return prop_dictionary_get_string(dict, key, cpp);
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}
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_PROP_DEPRECATED(prop_dictionary_set_cstring,
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"this program uses prop_dictionary_set_cstring(), "
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"which is deprecated; use prop_dictionary_set_string() instead.")
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bool
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prop_dictionary_set_cstring(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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return prop_dictionary_set_string(dict, key, cp);
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}
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_PROP_DEPRECATED(prop_dictionary_set_cstring_nocopy,
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"this program uses prop_dictionary_set_cstring_nocopy(), "
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"which is deprecated; use prop_dictionary_set_string_nocopy() instead.")
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bool
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prop_dictionary_set_cstring_nocopy(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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return prop_dictionary_set_string_nocopy(dict, key, cp);
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}
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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 rv;
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if (po == NULL)
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return false;
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rv = prop_dictionary_set(dict, key, po);
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prop_object_release(po);
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return rv;
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}
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