be_byteshift.h 1.5 KB

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  1. #ifndef _TOOLS_BE_BYTESHIFT_H
  2. #define _TOOLS_BE_BYTESHIFT_H
  3. #include <stdint.h>
  4. static inline uint16_t __get_unaligned_be16(const uint8_t *p)
  5. {
  6. return p[0] << 8 | p[1];
  7. }
  8. static inline uint32_t __get_unaligned_be32(const uint8_t *p)
  9. {
  10. return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
  11. }
  12. static inline uint64_t __get_unaligned_be64(const uint8_t *p)
  13. {
  14. return (uint64_t)__get_unaligned_be32(p) << 32 |
  15. __get_unaligned_be32(p + 4);
  16. }
  17. static inline void __put_unaligned_be16(uint16_t val, uint8_t *p)
  18. {
  19. *p++ = val >> 8;
  20. *p++ = val;
  21. }
  22. static inline void __put_unaligned_be32(uint32_t val, uint8_t *p)
  23. {
  24. __put_unaligned_be16(val >> 16, p);
  25. __put_unaligned_be16(val, p + 2);
  26. }
  27. static inline void __put_unaligned_be64(uint64_t val, uint8_t *p)
  28. {
  29. __put_unaligned_be32(val >> 32, p);
  30. __put_unaligned_be32(val, p + 4);
  31. }
  32. static inline uint16_t get_unaligned_be16(const void *p)
  33. {
  34. return __get_unaligned_be16((const uint8_t *)p);
  35. }
  36. static inline uint32_t get_unaligned_be32(const void *p)
  37. {
  38. return __get_unaligned_be32((const uint8_t *)p);
  39. }
  40. static inline uint64_t get_unaligned_be64(const void *p)
  41. {
  42. return __get_unaligned_be64((const uint8_t *)p);
  43. }
  44. static inline void put_unaligned_be16(uint16_t val, void *p)
  45. {
  46. __put_unaligned_be16(val, p);
  47. }
  48. static inline void put_unaligned_be32(uint32_t val, void *p)
  49. {
  50. __put_unaligned_be32(val, p);
  51. }
  52. static inline void put_unaligned_be64(uint64_t val, void *p)
  53. {
  54. __put_unaligned_be64(val, p);
  55. }
  56. #endif /* _TOOLS_BE_BYTESHIFT_H */