diff options
Diffstat (limited to 'libdde-linux26/contrib/include/mtd/jffs2-user.h')
-rw-r--r-- | libdde-linux26/contrib/include/mtd/jffs2-user.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/mtd/jffs2-user.h b/libdde-linux26/contrib/include/mtd/jffs2-user.h new file mode 100644 index 00000000..001685d7 --- /dev/null +++ b/libdde-linux26/contrib/include/mtd/jffs2-user.h @@ -0,0 +1,33 @@ +/* + * 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__ */ |