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/*
* Elastic Binary Trees - exported functions for Indirect String data nodes.
* Version 6.0
* (C) 2002-2010 - Willy Tarreau <w@1wt.eu>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Consult ebistree.h for more details about those functions */
#include "ebistree.h"
#include "ebimtree.h"
/* Find the first occurence of a zero-terminated string <x> in the tree <root>.
* It's the caller's reponsibility to use this function only on trees which
* only contain zero-terminated strings. If none can be found, return NULL.
*/
REGPRM2 struct ebpt_node *ebis_lookup(struct eb_root *root, const char *x)
{
return __ebis_lookup(root, x);
}
/* Find the first occurence of a length <len> string <x> in the tree <root>.
* It's the caller's reponsibility to use this function only on trees which
* only contain zero-terminated strings, and that no null character is present
* in string <x> in the first <len> chars. If none can be found, return NULL.
*/
REGPRM3 struct ebpt_node *ebis_lookup_len(struct eb_root *root, const char *x, unsigned int len)
{
struct ebpt_node *node;
node = ebim_lookup(root, x, len);
if (!node || ((const char *)node->key)[len] != 0)
return NULL;
return node;
}
/* Insert ebpt_node <new> into subtree starting at node root <root>. Only
* new->key needs be set with the zero-terminated string key. The ebpt_node is
* returned. If root->b[EB_RGHT]==1, the tree may only contain unique keys. The
* caller is responsible for properly terminating the key with a zero.
*/
REGPRM2 struct ebpt_node *ebis_insert(struct eb_root *root, struct ebpt_node *new)
{
return __ebis_insert(root, new);
}
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