gmid/have/tree_h.c

46 lines
1.2 KiB
C

/*
* Copyright (c) 2021 Omar Polo <op@omarpolo.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/tree.h>
#include <stdio.h>
struct tree {
int i;
SPLAY_ENTRY(tree) entry;
};
SPLAY_HEAD(tree_id, tree);
static int
tree_cmp(struct tree *a, struct tree *b)
{
if (a->i == b->i)
return 0;
else if (a->i < b->i)
return -1;
else
return +1;
}
SPLAY_PROTOTYPE(tree_id, tree, entry, tree_cmp);
SPLAY_GENERATE(tree_id, tree, entry, tree_cmp);
int
main(void)
{
return 0;
}