| 53 | } |
| 54 | |
| 55 | uint32_t __ham_func4(const uint8_t *k, uint32_t len) |
| 56 | { |
| 57 | uint32_t h, loop; |
| 58 | |
| 59 | if (len == 0) |
| 60 | return (0); |
| 61 | |
| 62 | #define HASH4a h = (h << 5) - h + *k++; |
| 63 | #define HASH4b h = (h << 5) + h + *k++; |
| 64 | #define HASH4 HASH4b |
| 65 | h = 0; |
| 66 | |
| 67 | loop = (len + 8 - 1) >> 3; |
| 68 | switch (len & (8 - 1)) { |
| 69 | case 0: |
| 70 | do { |
| 71 | HASH4; |
| 72 | case 7: |
| 73 | HASH4; |
| 74 | case 6: |
| 75 | HASH4; |
| 76 | case 5: |
| 77 | HASH4; |
| 78 | case 4: |
| 79 | HASH4; |
| 80 | case 3: |
| 81 | HASH4; |
| 82 | case 2: |
| 83 | HASH4; |
| 84 | case 1: |
| 85 | HASH4; |
| 86 | } while (--loop); |
| 87 | } |
| 88 | return (h); |
| 89 | } |
no outgoing calls
no test coverage detected