#include "mltypes.h"
/** bernstein hash, from public domain source */
uint32_t inv_checksum(unsigned char *str, int len)
{
uint32_t hash = 5381;
int i, c;
for (i = 0; i < len; i++) {
c = *(str + i);
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
}
return hash;
}