0,0 → 1,50 |
/* |
* 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" |
|
/** |
* Get an AVL tree element. |
* @param t pointer to mavl_t |
* @param data Element to get |
* @return pointer to element or NULL if not found. |
*/ |
void * mavl_get(struct mavl *t ,const void *data) |
{ |
struct mavlnode *n = t->root; |
while(n){ |
int rc=t->cmp(data,mavlnode_dataptr(n)); |
if (rc==0) |
return mavlnode_dataptr(n); |
if (rc<0) |
n=n->left; |
else |
n=n->right; |
} |
return NULL; |
} |
|