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/*
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* Copyright 2019, The PLANIX Project
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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
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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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
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* 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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#include "mavl.h"
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/**
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* Create a simple AVL tree
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* @param cmp pointer to compare function
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* @param del pointer to delete function which is called when an element
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* will be deletet
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* @param dta_size size of a data element
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* @return pointer to a #mavl struct. If the return value is NULL something
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* went wrong, and you should consult errno to get details.
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*/
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struct mavl *
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mavl_create(int (*cmp) (const void *, const void *),
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void (*del) (void *), size_t data_size){
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struct mavl *t = malloc(sizeof(struct mavl));
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if (!t)
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return NULL;
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t->root = NULL;
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t->count = 0;
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t->cmp = cmp;
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t->del = del;
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t->data_size = data_size;
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t->malloc = malloc;
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t->free = free;
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return t;
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}
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