mirror of
https://github.com/pissnet/angiosperm.git
synced 2024-11-14 03:14:49 +00:00
97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/* solanum
|
|
* operhash.c - Hashes nick!user@host{oper}
|
|
*
|
|
* Copyright (C) 2005 Lee Hardy <lee -at- leeh.co.uk>
|
|
* Copyright (C) 2005-2016 ircd-ratbox development team
|
|
* Copyright (C) 2016 William Pitcock <nenolod@dereferenced.org>
|
|
*
|
|
* 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.
|
|
* 3.The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <rb_lib.h>
|
|
#include "stdinc.h"
|
|
#include "match.h"
|
|
#include "hash.h"
|
|
#include "operhash.h"
|
|
#include "rb_radixtree.h"
|
|
|
|
static rb_radixtree *operhash_tree = NULL;
|
|
|
|
struct operhash_entry
|
|
{
|
|
unsigned int refcount;
|
|
char name[];
|
|
};
|
|
|
|
void
|
|
init_operhash(void)
|
|
{
|
|
operhash_tree = rb_radixtree_create("operhash", NULL);
|
|
}
|
|
|
|
const char *
|
|
operhash_add(const char *name)
|
|
{
|
|
struct operhash_entry *ohash;
|
|
size_t len;
|
|
|
|
if(EmptyString(name))
|
|
return NULL;
|
|
|
|
if((ohash = (struct operhash_entry *) rb_radixtree_retrieve(operhash_tree, name)) != NULL)
|
|
{
|
|
ohash->refcount++;
|
|
return ohash->name;
|
|
}
|
|
|
|
len = strlen(name) + 1;
|
|
ohash = rb_malloc(sizeof(struct operhash_entry) + len);
|
|
ohash->refcount = 1;
|
|
memcpy(ohash->name, name, len);
|
|
rb_radixtree_add(operhash_tree, ohash->name, ohash);
|
|
return ohash->name;
|
|
}
|
|
|
|
const char *
|
|
operhash_find(const char *name)
|
|
{
|
|
return rb_radixtree_retrieve(operhash_tree, name);
|
|
}
|
|
|
|
void
|
|
operhash_delete(const char *name)
|
|
{
|
|
struct operhash_entry *ohash = rb_radixtree_retrieve(operhash_tree, name);
|
|
|
|
if(ohash == NULL)
|
|
return;
|
|
|
|
ohash->refcount--;
|
|
if(ohash->refcount == 0)
|
|
{
|
|
rb_radixtree_delete(operhash_tree, ohash->name);
|
|
rb_free(ohash);
|
|
}
|
|
}
|