delete.c
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/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2012 Georg Hopp
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <search.h>
#include <sys/types.h>
#include "hash.h"
#include "utils/hash.h"
static
inline
int
hashDeleteComp(const void * a, const void * b)
{
return hashableGetHash((void*)b) - *(const unsigned long*)a;
}
void *
hashDelete(Hash this, const char * search, size_t nsearch)
{
unsigned long hash = sdbm((const unsigned char *)search, nsearch);
void * found = tfind(&hash, &(this->root), hashDeleteComp);
return (NULL != found)? *(void**)found : NULL;
}
// vim: set ts=4 sw=4: