tools/include/tools/le_byteshift.h

   1 #ifndef _TOOLS_LE_BYTESHIFT_H
   2 #define _TOOLS_LE_BYTESHIFT_H
   3
   4 #include <stdint.h>
   5
   6 static inline uint16_t __get_unaligned_le16(const uint8_t *p)
   7 {
   8         return p[0] | p[1] << 8;
   9 }
  10
  11 static inline uint32_t __get_unaligned_le32(const uint8_t *p)
  12 {
  13         return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
  14 }
  15
  16 static inline uint64_t __get_unaligned_le64(const uint8_t *p)
  17 {
  18         return (uint64_t)__get_unaligned_le32(p + 4) << 32 |
  19                __get_unaligned_le32(p);
  20 }
  21
  22 static inline void __put_unaligned_le16(uint16_t val, uint8_t *p)
  23 {
  24         *p++ = val;
  25         *p++ = val >> 8;
  26 }
  27
  28 static inline void __put_unaligned_le32(uint32_t val, uint8_t *p)
  29 {
  30         __put_unaligned_le16(val >> 16, p + 2);
  31         __put_unaligned_le16(val, p);
  32 }
  33
  34 static inline void __put_unaligned_le64(uint64_t val, uint8_t *p)
  35 {
  36         __put_unaligned_le32(val >> 32, p + 4);
  37         __put_unaligned_le32(val, p);
  38 }
  39
  40 static inline uint16_t get_unaligned_le16(const void *p)
  41 {
  42         return __get_unaligned_le16((const uint8_t *)p);
  43 }
  44
  45 static inline uint32_t get_unaligned_le32(const void *p)
  46 {
  47         return __get_unaligned_le32((const uint8_t *)p);
  48 }
  49
  50 static inline uint64_t get_unaligned_le64(const void *p)
  51 {
  52         return __get_unaligned_le64((const uint8_t *)p);
  53 }
  54
  55 static inline void put_unaligned_le16(uint16_t val, void *p)
  56 {
  57         __put_unaligned_le16(val, p);
  58 }
  59
  60 static inline void put_unaligned_le32(uint32_t val, void *p)
  61 {
  62         __put_unaligned_le32(val, p);
  63 }
  64
  65 static inline void put_unaligned_le64(uint64_t val, void *p)
  66 {
  67         __put_unaligned_le64(val, p);
  68 }
  69
  70 #endif /* _TOOLS_LE_BYTESHIFT_H */