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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: clib/test/splay.c $ */
/* */
/* OpenPOWER FFS Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2014,2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <clib/assert.h>
#include <clib/slab.h>
#include <clib/type.h>
#include <clib/tree.h>
struct data {
tree_node_t node;
int i;
float f;
};
typedef struct data data_t;
static inline int hash(int key) {
key = ~key + (key << 15);
key = key ^ (key >> 12);
key = key + (key << 2);
key = key ^ (key >> 4);
key = key * 2057;
key = key ^ (key >> 16);
return key;
}
int main (void) {
slab_t s = INIT_SLAB;
slab_init(&s, "my_slab", sizeof(data_t), 4096);
int compare(const int i1, const int i2) {
return i1 - i2;
}
tree_t l = INIT_TREE;
tree_init(&l, (compare_f)compare);
int i;
for (i=0; i<10000; i++) {
data_t * d = (data_t *)slab_alloc(&s);
d->i = hash(i);
d->f = (float)i;
tree_node_init(&d->node, (const void *)d->i);
splay_insert(&l, &d->node);
}
tree_dump(&l, stdout);
i = hash(6);
tree_node_t * n = tree_find(&l, (const void *)i);
printf("n[%p]\n", n);
data_t * d = container_of(n, data_t, node);
printf("d->i[%d]\n", d->i);
splay_remove(&l, n);
n = tree_find(&l, (const void *)i);
printf("n[%p]\n", n);
i = 2;
splay_find(&l, (const void *)i);
i = 8;
splay_find(&l, (const void *)i);
#if 0
slab_dump(&s, stdout);
tree_delete(&l, d, node);
#endif
tree_dump(&l, stdout);
slab_delete(&s);
return 0;
}
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