actube/src/cw/mavl_create.c

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/*
This file is part of libcapwap.
libcapwap is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
libcapwap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*@file
*@brief Implementation of mavl_create
*/
#include "mavl.h"
/**
* Create an 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;
return t;
}