mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-29 14:44:17 +01:00
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
|
/*
|
||
|
|
* misc.h : miscellaneous exports
|
||
|
|
* - memory allocation
|
||
|
|
* - LRU caches
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 Jean-Pierre Andre
|
||
|
|
*
|
||
|
|
* This program/include file 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/include file 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 (in the main directory of the NTFS-3G
|
||
|
|
* distribution in the file COPYING); if not, write to the Free Software
|
||
|
|
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _NTFS_MISC_H_
|
||
|
|
#define _NTFS_MISC_H_
|
||
|
|
|
||
|
|
#include "volume.h"
|
||
|
|
|
||
|
|
struct CACHED_GENERIC {
|
||
|
|
struct CACHED_GENERIC *next;
|
||
|
|
void *variable;
|
||
|
|
size_t varsize;
|
||
|
|
void *fixed[0];
|
||
|
|
} ;
|
||
|
|
|
||
|
|
struct CACHED_INODE {
|
||
|
|
struct CACHED_INODE *next;
|
||
|
|
const char *pathname;
|
||
|
|
size_t varsize;
|
||
|
|
/* above fields must match "struct CACHED_GENERIC" */
|
||
|
|
u64 inum;
|
||
|
|
} ;
|
||
|
|
|
||
|
|
typedef int (*cache_compare)(const struct CACHED_GENERIC *cached,
|
||
|
|
const struct CACHED_GENERIC *item);
|
||
|
|
|
||
|
|
struct CACHE_HEADER {
|
||
|
|
const char *name;
|
||
|
|
struct CACHED_GENERIC *most_recent_entry;
|
||
|
|
struct CACHED_GENERIC *free_entry;
|
||
|
|
unsigned long reads;
|
||
|
|
unsigned long writes;
|
||
|
|
unsigned long hits;
|
||
|
|
int fixed_size;
|
||
|
|
struct CACHED_GENERIC entry[0];
|
||
|
|
} ;
|
||
|
|
|
||
|
|
/* cast to generic, avoiding gcc warnings */
|
||
|
|
#define GENERIC(pstr) ((const struct CACHED_GENERIC*)(const void*)(pstr))
|
||
|
|
|
||
|
|
struct CACHED_GENERIC *ntfs_fetch_cache(struct CACHE_HEADER *cache,
|
||
|
|
const struct CACHED_GENERIC *wanted, cache_compare compare);
|
||
|
|
struct CACHED_GENERIC *ntfs_enter_cache(struct CACHE_HEADER *cache,
|
||
|
|
const struct CACHED_GENERIC *item, cache_compare compare);
|
||
|
|
int ntfs_invalidate_cache(struct CACHE_HEADER *cache,
|
||
|
|
const struct CACHED_GENERIC *item, cache_compare compare);
|
||
|
|
void ntfs_create_lru_caches(ntfs_volume *vol);
|
||
|
|
void ntfs_free_lru_caches(ntfs_volume *vol);
|
||
|
|
|
||
|
|
void *ntfs_calloc(size_t size);
|
||
|
|
void *ntfs_malloc(size_t size);
|
||
|
|
|
||
|
|
#endif /* _NTFS_MISC_H_ */
|
||
|
|
|