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86 lines
3.5 KiB
C
86 lines
3.5 KiB
C
/*
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* libdict -- red-black tree interface.
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*
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* Copyright (c) 2001-2014, Farooq Mela
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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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*
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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 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY 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 LIBDICT_RB_TREE_H__
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#define LIBDICT_RB_TREE_H__
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#include "dict.h"
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BEGIN_DECL
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typedef struct rb_tree rb_tree;
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rb_tree* rb_tree_new(dict_compare_func cmp_func);
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dict* rb_dict_new(dict_compare_func cmp_func);
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size_t rb_tree_free(rb_tree* tree, dict_delete_func delete_func);
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dict_insert_result
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rb_tree_insert(rb_tree* tree, void* key);
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void** rb_tree_search(rb_tree* tree, const void* key);
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void** rb_tree_search_le(rb_tree* tree, const void* key);
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void** rb_tree_search_lt(rb_tree* tree, const void* key);
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void** rb_tree_search_ge(rb_tree* tree, const void* key);
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void** rb_tree_search_gt(rb_tree* tree, const void* key);
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dict_remove_result
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rb_tree_remove(rb_tree* tree, const void* key);
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size_t rb_tree_clear(rb_tree* tree, dict_delete_func delete_func);
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size_t rb_tree_traverse(rb_tree* tree, dict_visit_func visit, void* user_data);
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bool rb_tree_select(rb_tree* tree, size_t n, const void** key, void** datum);
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size_t rb_tree_count(const rb_tree* tree);
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size_t rb_tree_min_path_length(const rb_tree* tree);
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size_t rb_tree_max_path_length(const rb_tree* tree);
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size_t rb_tree_total_path_length(const rb_tree* tree);
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bool rb_tree_verify(const rb_tree* tree);
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typedef struct rb_itor rb_itor;
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rb_itor* rb_itor_new(rb_tree* tree);
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dict_itor* rb_dict_itor_new(rb_tree* tree);
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void rb_itor_free(rb_itor* tree);
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bool rb_itor_valid(const rb_itor* itor);
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void rb_itor_invalidate(rb_itor* itor);
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bool rb_itor_next(rb_itor* itor);
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bool rb_itor_prev(rb_itor* itor);
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bool rb_itor_nextn(rb_itor* itor, size_t count);
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bool rb_itor_prevn(rb_itor* itor, size_t count);
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bool rb_itor_first(rb_itor* itor);
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bool rb_itor_last(rb_itor* itor);
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bool rb_itor_search(rb_itor* itor, const void* key);
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bool rb_itor_search_le(rb_itor* itor, const void* key);
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bool rb_itor_search_lt(rb_itor* itor, const void* key);
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bool rb_itor_search_ge(rb_itor* itor, const void* key);
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bool rb_itor_search_gt(rb_itor* itor, const void* key);
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const void* rb_itor_key(const rb_itor* itor);
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void** rb_itor_datum(rb_itor* itor);
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int rb_itor_compare(const rb_itor* i1, const rb_itor* i2);
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bool rb_itor_remove(rb_itor* itor);
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END_DECL
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#endif /* !LIBDICT_RB_TREE_H__ */
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