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#if 0
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2009 Blender Foundation, Joshua Leung
* All rights reserved.
*
* Contributor(s): Joseph Eagar (original author)
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BLI_SPARSEMAP_H__
#define __BLI_SPARSEMAP_H__
/** \file BLI_sparsemap.h
* \ingroup bli
*/
#include "BLI_math_inline.h"
typedef struct SparseMap {
int max;
int blocksize;
void **blocks;
int totblock;
} SparseMap;
MALWAYS_INLINE SparseMap *BLI_sparsemap_new(int blocksize, char *name)
{
SparseMap *sm = MEM_callocN(sizeof(SparseMap), name);
sm->blocksize = blocksize;
return sm;
}
MALWAYS_INLINE void BLI_sparsemap_free(SparseMap *sm)
{
if (sm->blocks)
MEM_freeN(sm->blocks);
MEM_freeN(sm);
}
MALWAYS_INLINE void BLI_sparsemap_set(SparseMap *sm, int index, void *ptr)
{
if (index >= sm->max || (sm->blocks && !sm->blocks[index/sm->blocksize])) {
int totblock = MAX2((index+1)/sm->blocksize, 2);
void *blocks = MEM_callocN(sizeof(void*)*totblock);
if (sm->blocks)
memcpy(blocks, sm->blocks, sizeof(void*)*sm->totblock);
sm->totblock = totblock;
MEM_freeN(sm->blocks);
sm->blocks = blocks;
}
if (!sm->blocks[index/sm->blocksize]) {
sm->blocks[index/sm->blocksize] = MEM_mallocN(sizeof(void*)*sm->blocksize);
}
sm->blocks[index/sm->blocksize] = ptr;
}
#endif /* __BLI_SPARSEMAP_H__ */
#endif
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