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79 lines
2 KiB
C
79 lines
2 KiB
C
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/*
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TiMidity++ -- MIDI to WAVE converter and player
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Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
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Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef ___MBLOCK_H_
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#define ___MBLOCK_H_
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namespace TimidityPlus
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{
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struct MBlockNode;
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/* Memory block for decreasing malloc
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*
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* +------+ +------+ +-------+
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* |BLOCK1|--->|BLOCK2|---> ... --->|BLOCK N|---> NULL
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* +------+ +------+ +-------+
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*
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*
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* BLOCK:
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* +-----------------------+
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* | memory 1 |
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* | |
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* +-----------------------+
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* | memory 2 |
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* +-----------------------+
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* | memory 3 |
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* | |
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* | |
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* +-----------------------+
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* | unused ... |
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* +-----------------------+
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*/
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#define MIN_MBLOCK_SIZE 8192
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struct MBlockNode
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{
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size_t block_size;
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size_t offset;
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MBlockNode *next;
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#ifndef MBLOCK_NOPAD
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void *pad;
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#endif /* MBLOCK_NOPAD */
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char buffer[1];
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};
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struct MBlockList
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{
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MBlockNode *first;
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size_t allocated;
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};
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extern void init_mblock(MBlockList *mblock);
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extern void *new_segment(MBlockList *mblock, size_t nbytes);
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extern void reuse_mblock(MBlockList *mblock);
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extern char *strdup_mblock(MBlockList *mblock, const char *str);
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extern int free_global_mblock(void);
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}
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#endif /* ___MBLOCK_H_ */
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