unaligned.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- #ifndef _ASM_GENERIC_UNALIGNED_H_
- #define _ASM_GENERIC_UNALIGNED_H_
- /*
- * For the benefit of those who are trying to port Linux to another
- * architecture, here are some C-language equivalents.
- */
- #include <asm/string.h>
- #define get_unaligned(ptr)
- ({ __typeof__(*(ptr)) __tmp; memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
- #define put_unaligned(val, ptr)
- ({ __typeof__(*(ptr)) __tmp = (val);
- memcpy((ptr), &__tmp, sizeof(*(ptr)));
- (void)0; })
- #endif /* _ASM_GENERIC_UNALIGNED_H */