/* ------------------------------------------------------------------------------ By Bob Jenkins, September 1996. lookupa.h, a hash function for table lookup, same function as lookup.c. Use this code in any way you wish. Public Domain. It has no warranty. Source is http://burtleburtle.net/bob/c/lookupa.h ------------------------------------------------------------------------------ */ #ifndef LOOKUPA #define LOOKUPA #include "mpqlib-stdint.h" #define CHECKSTATE 8 #define hashsize(n) ((uint32_t)1<<(n)) #define hashmask(n) (hashsize(n)-1) #ifdef __cplusplus extern "C" { #endif uint32_t lookup(uint8_t * k, uint32_t length, uint32_t level); void checksum(uint8_t * k, uint32_t length, uint32_t * state); #ifdef __cplusplus } #endif #endif /* LOOKUPA */