Source code
Revision control
Copy as Markdown
Other Tools
/****************************************************************************
*
* fthash.h
*
* Hashing functions (specification).
*
*/
/*
* Copyright 2000 Computing Research Labs, New Mexico State University
* Copyright 2001-2015
* Francesco Zappa Nardelli
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**************************************************************************
*
* This file is based on code from bdf.c,v 1.22 2000/03/16 20:08:50
*
* taken from Mark Leisher's xmbdfed package
*
*/
#ifndef FTHASH_H_
#define FTHASH_H_
#include <freetype/freetype.h>
FT_BEGIN_HEADER
typedef union FT_Hashkey_
{
FT_Int num;
const char* str;
} FT_Hashkey;
typedef struct FT_HashnodeRec_
{
FT_Hashkey key;
size_t data;
} FT_HashnodeRec;
typedef struct FT_HashnodeRec_ *FT_Hashnode;
typedef FT_ULong
(*FT_Hash_LookupFunc)( FT_Hashkey* key );
typedef FT_Bool
(*FT_Hash_CompareFunc)( FT_Hashkey* a,
FT_Hashkey* b );
typedef struct FT_HashRec_
{
FT_UInt limit;
FT_UInt size;
FT_UInt used;
FT_Hash_LookupFunc lookup;
FT_Hash_CompareFunc compare;
FT_Hashnode* table;
} FT_HashRec;
typedef struct FT_HashRec_ *FT_Hash;
FT_Error
ft_hash_str_init( FT_Hash hash,
FT_Memory memory );
FT_Error
ft_hash_num_init( FT_Hash hash,
FT_Memory memory );
void
ft_hash_str_free( FT_Hash hash,
FT_Memory memory );
#define ft_hash_num_free ft_hash_str_free
FT_Error
ft_hash_str_insert( const char* key,
size_t data,
FT_Hash hash,
FT_Memory memory );
FT_Error
ft_hash_num_insert( FT_Int num,
size_t data,
FT_Hash hash,
FT_Memory memory );
size_t*
ft_hash_str_lookup( const char* key,
FT_Hash hash );
size_t*
ft_hash_num_lookup( FT_Int num,
FT_Hash hash );
FT_END_HEADER
#endif /* FTHASH_H_ */
/* END */