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Remove unused code

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Emmanuel Marty 2019-10-11 09:11:49 +02:00 committed by GitHub
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commit c363ecf527
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src/hashmap.h
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/*
* hashmap.h - integer hashmap definitions
*
* Copyright (C) 2019 Emmanuel Marty
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
/*
* Uses the libdivsufsort library Copyright (c) 2003-2008 Yuta Mori
*
* Inspired by LZ4 by Yann Collet. https://github.com/lz4/lz4
* With help, ideas, optimizations and speed measurements by spke <zxintrospec@gmail.com>
* With ideas from Lizard by Przemyslaw Skibinski and Yann Collet. https://github.com/inikep/lizard
* Also with ideas from smallz4 by Stephan Brumme. https://create.stephan-brumme.com/smallz4/
*
*/
#ifndef _HASHMAP_H
#define _HASHMAP_H
#include <stdlib.h>
/** Number of hashmap buckets */
#define LZSA_HASH_NBUCKETS 256
/* Forward definitions */
typedef struct _lzsa_hashvalue_t lzsa_hashvalue_t;
typedef struct _lzsa_hashbuffer_t lzsa_hashbuffer_t;
/** One hashmap bucket entry */
typedef struct _lzsa_hashvalue_t {
lzsa_hashvalue_t *pNext;
unsigned long long key;
unsigned int value;
} lzsa_hashvalue_t;
/** One buffer storing hashmap bucket entries */
typedef struct _lzsa_hashbuffer_t {
lzsa_hashbuffer_t *pNext;
int nFreeEntryIdx;
lzsa_hashvalue_t value[255];
} lzsa_hashbuffer_t;
/** Hashmap */
typedef struct {
lzsa_hashbuffer_t *pBuffer;
lzsa_hashvalue_t *pBucket[LZSA_HASH_NBUCKETS];
} lzsa_hashmap_t;
/**
* Initialize hashmap
*
* @param pHashMap hashmap
*/
void lzsa_hashmap_init(lzsa_hashmap_t *pHashMap);
/**
* Set value for key
*
* @param pHashMap hashmap
* @param key key to set value for
* @param value new value
*/
void lzsa_hashmap_insert(lzsa_hashmap_t *pHashMap, unsigned long long key, unsigned int value);
/**
* Get value for key
*
* @param pHashMap hashmap
* @param key key to get value for
* @param pValue pointer to where to store value if found
*
* @return 0 if found, nonzero if not found
*/
int lzsa_hashmap_find(lzsa_hashmap_t *pHashMap, unsigned long long key, unsigned int *pValue);
/**
* Clear hashmap
*
* @param pHashMap hashmap
*/
void lzsa_hashmap_clear(lzsa_hashmap_t *pHashMap);
#endif /* _HASHMAP_H */