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/*
set.h - set functions
This file is part of the nss-pam-ldapd library.
Copyright (C) 2008, 2009 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
*/
#ifndef _SET_H
#define _SET_H
#include "compat/attrs.h"
/*
These functions provide a set of string in an unordered
collection.
*/
typedef struct set SET;
/* Create a new instance of a set. Returns NULL
in case of memory allocation errors. */
SET *set_new(void)
LIKE_MALLOC MUST_USE;
/* Add a string in the set. The value is duplicated
and can be reused by the caller.
This function returns non-0 in case of memory allocation
errors. All value comparisons are case insensitive. */
int set_add(SET *set,const char *value);
/* Return non-zero if the value is in the set.
All value comparisons are case insensitive. */
int set_contains(SET *set,const char *value)
MUST_USE;
/* Remove the set from memory. All allocated storage
for the set and the values is freed. */
void set_free(SET *set);
/* Return the content of the set as a list of strings.
The caller should free the memory with a single call to free(). */
const char **set_tolist(SET *set)
MUST_USE;
#endif /* _SET_H */
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