0,0 → 1,55 |
/* |
* Copyright 2019, The PLANIX Project |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions are |
* met: |
* |
* 1. Redistributions of source code must retain the above copyright notice, |
* this list of conditions and the following disclaimer. |
* |
* 2. Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* |
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
|
#include "mavl.h" |
|
/** |
* Create a simple AVL tree |
* @param cmp pointer to compare function |
* @param del pointer to delete function which is called when an element |
* will be deletet |
* @param dta_size size of a data element |
* @return pointer to a #mavl struct. If the return value is NULL something |
* went wrong, and you should consult errno to get details. |
*/ |
struct mavl * |
mavl_create(int (*cmp) (const void *, const void *), |
void (*del) (void *), size_t data_size){ |
struct mavl *t = malloc(sizeof(struct mavl)); |
if (!t) |
return NULL; |
t->root = NULL; |
t->count = 0; |
t->cmp = cmp; |
t->del = del; |
t->data_size = data_size; |
|
t->malloc = malloc; |
t->free = free; |
return t; |
} |