diff options
Diffstat (limited to 'have')
-rw-r--r-- | have/tree_h.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/have/tree_h.c b/have/tree_h.c new file mode 100644 index 0000000..c9fbe9e --- /dev/null +++ b/have/tree_h.c @@ -0,0 +1,45 @@ +/* + * 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; +} |