tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
20extern 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__ */