|  | /* | 
|  | * $Id: jffs2-user.h,v 1.1 2004/05/05 11:57:54 dwmw2 Exp $ | 
|  | * | 
|  | * JFFS2 definitions for use in user space only | 
|  | */ | 
|  |  | 
|  | #ifndef __JFFS2_USER_H__ | 
|  | #define __JFFS2_USER_H__ | 
|  |  | 
|  | /* This file is blessed for inclusion by userspace */ | 
|  | #include <linux/jffs2.h> | 
|  | #include <endian.h> | 
|  | #include <byteswap.h> | 
|  |  | 
|  | #undef cpu_to_je16 | 
|  | #undef cpu_to_je32 | 
|  | #undef cpu_to_jemode | 
|  | #undef je16_to_cpu | 
|  | #undef je32_to_cpu | 
|  | #undef jemode_to_cpu | 
|  |  | 
|  | extern int target_endian; | 
|  |  | 
|  | #define t16(x) ({ uint16_t __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_16(__b); }) | 
|  | #define t32(x) ({ uint32_t __b = (x); (target_endian==__BYTE_ORDER)?__b:bswap_32(__b); }) | 
|  |  | 
|  | #define cpu_to_je16(x) ((jint16_t){t16(x)}) | 
|  | #define cpu_to_je32(x) ((jint32_t){t32(x)}) | 
|  | #define cpu_to_jemode(x) ((jmode_t){t32(x)}) | 
|  |  | 
|  | #define je16_to_cpu(x) (t16((x).v16)) | 
|  | #define je32_to_cpu(x) (t32((x).v32)) | 
|  | #define jemode_to_cpu(x) (t32((x).m)) | 
|  |  | 
|  | #endif /* __JFFS2_USER_H__ */ |