xref: /redis-3.2.3/src/pqsort.h (revision 4365e5b2)
1 /* The following is the NetBSD libc qsort implementation modified in order to
2  * support partial sorting of ranges for Redis.
3  *
4  * Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  *   * Redistributions of source code must retain the above copyright notice,
11  *     this list of conditions and the following disclaimer.
12  *   * Redistributions in binary form must reproduce the above copyright
13  *     notice, this list of conditions and the following disclaimer in the
14  *     documentation and/or other materials provided with the distribution.
15  *   * Neither the name of Redis nor the names of its contributors may be used
16  *     to endorse or promote products derived from this software without
17  *     specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  * See the pqsort.c file for the original copyright notice. */
32 
33 #ifndef __PQSORT_H
34 #define __PQSORT_H
35 
36 void
37 pqsort(void *a, size_t n, size_t es,
38     int (*cmp) (const void *, const void *), size_t lrange, size_t rrange);
39 
40 #endif
41