projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 1da177e4 LT |
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__ */ |