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 35 typedef struct intset { 36 uint32_t encoding; 37 uint32_t length; 38 int8_t contents[]; 39 } intset; 40 41 intset *intsetNew(void); 42 intset *intsetAdd(intset *is, int64_t value, uint8_t *success); 43 intset *intsetRemove(intset *is, int64_t value, int *success); 44 uint8_t intsetFind(intset *is, int64_t value); 45 int64_t intsetRandom(intset *is); 46 uint8_t intsetGet(intset *is, uint32_t pos, int64_t *value); 47 uint32_t intsetLen(const intset *is); 48 size_t intsetBlobLen(intset *is); 49 50 #ifdef REDIS_TEST 51 int intsetTest(int argc, char *argv[]); 52 #endif 53 54 #endif // __INTSET_H 55