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/*
set.c - set functions
This file is part of the nss-pam-ldapd library.
Copyright (C) 2008, 2009, 2010, 2012 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "set.h"
#include "dict.h"
/*
The SET object is just a DICT which is passed around. The value
for each entry in the dict is just the pointer to the dict.
Another API is provided to give it a more set-like interface.
*/
SET *set_new(void)
{
return (SET *)dict_new();
}
int set_add(SET *set, const char *value)
{
return dict_put((DICT *)set, value, set);
}
char *set_pop(SET *set)
{
const char *key;
char *value;
key = dict_getany((DICT *)set);
if (key == NULL)
return NULL; /* no more entries in set */
/* remove the entry from the dict and return a copy */
value = strdup(key);
dict_put((DICT *)set, key, NULL);
return value;
}
int set_contains(SET *set, const char *value)
{
return dict_get((DICT *)set, value) != NULL;
}
void set_free(SET *set)
{
dict_free((DICT *)set);
}
const char **set_tolist(SET *set)
{
return dict_keys((DICT *)set);
}
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