stdwrap.h

包装了一个开源的FAT16文件系统

//file : stdwrap.h
#ifndef __STDWRAP_H__
#define __STDWRAP_H__

#include "stdio.h"
#include "fat16.h"
#include "fat16int.h"
#include "fat16_config.h"
#include "partition.h"

//#ifndef _SIZE_T_DEFINED
//#define _SIZE_T_DEFINED
//typedef unsigned long size_t;
//#endif

#define CFG_MaxEntryNameLen	32
#define CFG_MaxFile			3	//最多能打开的文件数



#define FPFLAG_Rd		0x01
#define FPFLAG_Wr		0x02
#define FPFLAG_Bin		0x04
#define FPFLAG_Inuse	0x80

struct partition_struct;

struct fat16_fs_struct;

struct fat16_file_struct;

struct fat16_dir_struct;
struct fat16_dir_entry_struct;
typedef struct _DS_CXFILE
{
	struct fat16_fs_struct *pfs;
	struct fat16_dir_struct *pdd;
	struct fat16_file_struct *pfd;
	UFAV flags;		//若flags为0,表示该CXFILE变量没有被使用
}CXFILE;

typedef struct _DS_StdWrapCB
{
	CXFILE fileAry[CFG_MaxFile];
}DS_StdWrapCB;


//>>>>>>>>>>>>>>>>>>>>>>>>暴露给应用程序的接口>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>



#ifndef SEEK_SET
#define SEEK_SET		0
#endif
#ifndef SEEK_CUR
#define SEEK_CUR		1
#endif
#ifndef SEEK_END
#define SEEK_END		2
#endif
CXFILE *cx_fopen(const char *pszFilePath, const char *pszIODesc);
int cx_fclose(CXFILE* fp);
size_t cx_fread(void *pvBuf, size_t unitSize, size_t unitCnt, CXFILE *fp);
size_t cx_fwrite(const void *pvBuf, size_t unitSize, size_t unitCnt, CXFILE *fp);
int cx_fseek(CXFILE *fp, long newPos, int rel);
long cx_ftell(CXFILE *fp);
int cx_feof(CXFILE *fp);

BOOL StdioWrapperStartup(void);
BOOL StdioWrapperCleanup(void);

BOOL StdWrap_Test(char *pPath);
//<<<<<<<<<<<<<<<<<<<<<<<暴露给应用程序的接口<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
#endif