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