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comparison ezBAMQC/src/htslib/cram/pooled_alloc.h @ 0:dfa3745e5fd8

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author youngkim
date Thu, 24 Mar 2016 17:12:52 -0400
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1 /*
2 Copyright (c) 2009 Genome Research Ltd.
3 Author: Rob Davies <rmd@sanger.ac.uk>
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
7
8 1. Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10
11 2. Redistributions in binary form must reproduce the above copyright notice,
12 this list of conditions and the following disclaimer in the documentation
13 and/or other materials provided with the distribution.
14
15 3. Neither the names Genome Research Ltd and Wellcome Trust Sanger
16 Institute nor the names of its contributors may be used to endorse or promote
17 products derived from this software without specific prior written permission.
18
19 THIS SOFTWARE IS PROVIDED BY GENOME RESEARCH LTD AND CONTRIBUTORS "AS IS" AND
20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL GENOME RESEARCH LTD OR CONTRIBUTORS BE LIABLE
23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef _POOLED_ALLOC_H_
32 #define _POOLED_ALLOC_H_
33
34 /*
35 * Implements a pooled block allocator where all items are the same size,
36 * but we need many of them.
37 */
38 typedef struct {
39 void *pool;
40 size_t used;
41 } pool_t;
42
43 typedef struct {
44 size_t dsize;
45 size_t npools;
46 pool_t *pools;
47 void *free;
48 } pool_alloc_t;
49
50 pool_alloc_t *pool_create(size_t dsize);
51 void pool_destroy(pool_alloc_t *p);
52 void *pool_alloc(pool_alloc_t *p);
53 void pool_free(pool_alloc_t *p, void *ptr);
54
55
56 #endif /*_POOLED_ALLOC_H_*/