mirror of https://github.com/getdnsapi/getdns.git
78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
/**
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*
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* \file list.h
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* @brief getdns list management functions
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*
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* Originally taken from the getdns API description pseudo implementation.
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*
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*/
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/*
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* Copyright (c) 2013, NLnet Labs, Verisign, Inc.
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* All rights reserved.
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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 are met:
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* * 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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* * 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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* * Neither the names of the copyright holders nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL Verisign, Inc. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _GETDNS_LIST_H_
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#define _GETDNS_LIST_H_
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#include "getdns/getdns.h"
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#include "types-internal.h"
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#define GETDNS_LIST_BLOCKSZ 10
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/**
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* getdns list data type
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* Use helper functions getdns_list_* to manipulate and iterate lists
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* lists are implemented as arrays internally since the helper functions
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* like to reference indexes in the list. Elements are allocated in blocks
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* and then marked valid as they are used and invalid as they are not used
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* The use cases do not justify working too hard at shrinking the structures.
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* Indexes are 0 based.
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*/
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struct getdns_list
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{
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size_t numalloc;
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size_t numinuse;
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struct getdns_item *items;
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struct mem_funcs mf;
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};
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static inline getdns_list *_getdns_list_create_with_mf(struct mem_funcs *mf)
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{ return getdns_list_create_with_extended_memory_functions(
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mf->mf_arg, mf->mf.ext.malloc, mf->mf.ext.realloc, mf->mf.ext.free); }
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getdns_return_t _getdns_list_find(
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const getdns_list *dict, const char *key, getdns_item **item);
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getdns_return_t _getdns_list_find_and_add(
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getdns_list *list, const char *key, getdns_item **item);
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getdns_return_t _getdns_list_remove_name(
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getdns_list *list, const char *name);
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#endif
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/* list.h */
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