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kichikuou
b7854aaec1
Replace the old cache manager with a keyed LRU cache and use it for glyph, CG, and archive data.
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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* dri.h: dri loader
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*
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* Copyright (C) 1997-1998 Masaki Chikama (Wren) <chikama@kasumi.ipl.mech.nagoya-u.ac.jp>
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* 1998- <masaki-c@is.aist-nara.ac.jp>
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*
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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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*
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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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*
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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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*/
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/* $Id: dri.h,v 1.8 2001/04/02 21:00:44 chikama Exp $ */
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#ifndef __DRI__
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#define __DRI__
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#include "portab.h"
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#include "mmap.h"
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#define DRIFILEMAX 255 /* maximum file number for one data type */
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struct _drifiles {
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bool mmapped;
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mmap_t *mmap[DRIFILEMAX];
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char *fnames[DRIFILEMAX];
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int nr_files; // upper limit on how many files could be referenced by this archive
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int maxno;
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uint8_t *link; // link table
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uint32_t *offset; // offsets in file
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};
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typedef struct _drifiles drifiles;
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struct _dridata {
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int size; /* size of real data */
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char *data_raw; /* dri header pointer */
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char *data; /* real data */
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char *name; /* not used */
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int refcnt; /* reference count */
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bool cached; /* owned by the archive cache */
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drifiles *a; /* archive file obj */
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};
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typedef struct _dridata dridata;
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drifiles *dri_init(const char **file, int cnt, bool use_mmap);
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bool dri_is_linked(drifiles *d, int no);
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bool dri_exists(drifiles *d, int no);
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dridata *dri_getdata(drifiles *d, int no);
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#endif /* !__DRI__ */
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