mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-07-04 00:46:10 +02:00
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
|
|
// worst case wbfs fragmentation scenario:
|
|
// 9GB (dual layer) / 2mb (wbfs sector size) = 4608
|
|
#define MAX_FRAG 20000
|
|
// max that ehcmodule_frag will allow at the moment is about:
|
|
// 40000/4/3-1 = 21844
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "libwbfs/libwbfs.h"
|
|
|
|
typedef struct
|
|
{
|
|
u32 offset; // file offset, in sectors unit
|
|
u32 sector;
|
|
u32 count;
|
|
} Fragment;
|
|
|
|
typedef struct
|
|
{
|
|
u32 size; // num sectors
|
|
u32 num; // num fragments
|
|
u32 maxnum;
|
|
Fragment frag[MAX_FRAG];
|
|
} FragList;
|
|
|
|
typedef int (*frag_append_t)(void *ff, u32 offset, u32 sector, u32 count);
|
|
|
|
int _FAT_get_fragments (const char *path, _frag_append_t append_fragment, void *callback_data);
|
|
|
|
void frag_init(FragList *ff, int maxnum);
|
|
int frag_append(FragList *ff, u32 offset, u32 sector, u32 count);
|
|
int _frag_append(void *ff, u32 offset, u32 sector, u32 count);
|
|
int frag_concat(FragList *ff, FragList *src);
|
|
|
|
// in case a sparse block is requested,
|
|
// the returned poffset might not be equal to requested offset
|
|
// the difference should be filled with 0
|
|
int frag_get(FragList *ff, u32 offset, u32 count,
|
|
u32 *poffset, u32 *psector, u32 *pcount);
|
|
|
|
int frag_remap(FragList *ff, FragList *log, FragList *phy);
|
|
|
|
int get_frag_list(u8 *id);
|
|
int set_frag_list(u8 *id);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|