1/*
2 * Copyright (c) 2009-2012, Pieter Noordhuis <pcnoordhuis at gmail dot com>
3 * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * * Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * * Neither the name of Redis nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef __INTSET_H
32#define __INTSET_H
33#include <stdint.h>
34
35typedef struct intset {
36 uint32_t encoding;
37 uint32_t length;
38 int8_t contents[];
39} intset;
40
41intset *intsetNew(void);
42intset *intsetAdd(intset *is, int64_t value, uint8_t *success);
43intset *intsetRemove(intset *is, int64_t value, int *success);
44uint8_t intsetFind(intset *is, int64_t value);
45int64_t intsetRandom(intset *is);
46uint8_t intsetGet(intset *is, uint32_t pos, int64_t *value);
47uint32_t intsetLen(const intset *is);
48size_t intsetBlobLen(intset *is);
49int intsetValidateIntegrity(const unsigned char *is, size_t size, int deep);
50
51#ifdef REDIS_TEST
52int intsetTest(int argc, char *argv[], int flags);
53#endif
54
55#endif // __INTSET_H
56