1/* 2 * $Id: jffs2-user.h,v 1.1.1.1 2007/08/03 18:53:45 Exp $ 3 * 4 * JFFS2 definitions for use in user space only 5 */ 6 7#ifndef __JFFS2_USER_H__ 8#define __JFFS2_USER_H__ 9 10/* This file is blessed for inclusion by userspace */ 11#include <linux/jffs2.h> 12#include <endian.h> 13#include <byteswap.h> 14 15#undef cpu_to_je16 16#undef cpu_to_je32 17#undef cpu_to_jemode 18#undef je16_to_cpu 19#undef je32_to_cpu 20#undef jemode_to_cpu 21 22extern int target_endian; 23 24#define t16(x) ({ uint16_t __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_16(__b); }) 25#define t32(x) ({ uint32_t __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_32(__b); }) 26 27#define cpu_to_je16(x) ((jint16_t){t16(x)}) 28#define cpu_to_je32(x) ((jint32_t){t32(x)}) 29#define cpu_to_jemode(x) ((jmode_t){t32(x)}) 30 31#define je16_to_cpu(x) (t16((x).v16)) 32#define je32_to_cpu(x) (t32((x).v32)) 33#define jemode_to_cpu(x) (t32((x).m)) 34 35#endif /* __JFFS2_USER_H__ */ 36