diff options
Diffstat (limited to 'os/src/hash-djb2.c')
-rw-r--r-- | os/src/hash-djb2.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/os/src/hash-djb2.c b/os/src/hash-djb2.c new file mode 100644 index 0000000..82dd741 --- /dev/null +++ b/os/src/hash-djb2.c @@ -0,0 +1,15 @@ +#include <stdint.h> +#include "hash-djb2.h" +#include "osdebug.h" + +uint32_t hash_djb2(const uint8_t * str, ssize_t _max) { + uint32_t hash = 5381; + uint32_t max = (uint32_t) _max; + int c; + + while (((c = *str++)) && max--) { + hash = ((hash << 5) + hash) ^ c; + } + + return hash; +} |