/include/linux/unaligned/memmove.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t · C Header · 45 lines · 35 code · 9 blank · 1 comment · 0 complexity · 9ba2c5c810eeb061a4d33033162625e6 MD5 · raw file

  1. #ifndef _LINUX_UNALIGNED_MEMMOVE_H
  2. #define _LINUX_UNALIGNED_MEMMOVE_H
  3. #include <linux/kernel.h>
  4. #include <linux/string.h>
  5. /* Use memmove here, so gcc does not insert a __builtin_memcpy. */
  6. static inline u16 __get_unaligned_memmove16(const void *p)
  7. {
  8. u16 tmp;
  9. memmove(&tmp, p, 2);
  10. return tmp;
  11. }
  12. static inline u32 __get_unaligned_memmove32(const void *p)
  13. {
  14. u32 tmp;
  15. memmove(&tmp, p, 4);
  16. return tmp;
  17. }
  18. static inline u64 __get_unaligned_memmove64(const void *p)
  19. {
  20. u64 tmp;
  21. memmove(&tmp, p, 8);
  22. return tmp;
  23. }
  24. static inline void __put_unaligned_memmove16(u16 val, void *p)
  25. {
  26. memmove(p, &val, 2);
  27. }
  28. static inline void __put_unaligned_memmove32(u32 val, void *p)
  29. {
  30. memmove(p, &val, 4);
  31. }
  32. static inline void __put_unaligned_memmove64(u64 val, void *p)
  33. {
  34. memmove(p, &val, 8);
  35. }
  36. #endif /* _LINUX_UNALIGNED_MEMMOVE_H */