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/*
TiMidity++ -- MIDI to WAVE converter and player
Copyright (C) 1999,2000 Masanao Izumo <mo@goice.co.jp>
Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef ___MBLOCK_H_
#define ___MBLOCK_H_
/* Memory block for decreasing malloc
*
* +------+ +------+ +-------+
* |BLOCK1|--->|BLOCK2|---> ... --->|BLOCK N|---> NULL
* +------+ +------+ +-------+
*
*
* BLOCK:
* +-----------------------+
* | memory 1 |
* | |
* +-----------------------+
* | memory 2 |
* +-----------------------+
* | memory 3 |
* | |
* | |
* +-----------------------+
* | unused ... |
* +-----------------------+
*/
#define MIN_MBLOCK_SIZE 8192
typedef struct _MBlockNode
{
size_t block_size;
size_t offset;
struct _MBlockNode *next;
#ifndef MBLOCK_NOPAD
void *pad;
#endif /* MBLOCK_NOPAD */
char buffer[1];
} MBlockNode;
typedef struct _MBlockList
{
MBlockNode *first;
size_t allocated;
} MBlockList;
extern void init_mblock(MBlockList *mblock);
extern void *new_segment(MBlockList *mblock, size_t nbytes);
extern void reuse_mblock(MBlockList *mblock);
extern char *strdup_mblock(MBlockList *mblock, const char *str);
extern int free_global_mblock(void);
#endif /* ___MBLOCK_H_ */
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