#include <stdint.h>

inline const uint32_t hash_32_fnv1a(const void* key, const uint32_t len) {

    const char* data = (char*)key;
    uint32_t hash = 2166136261;
    uint32_t prime = 16777619;

    for(int i = 0; i < len; ++i) {
        uint8_t value = data[i];
        hash = hash ^ value;
        hash *= prime;
    }

    return hash;

} //hash_32_fnv1a

inline const uint64_t hash_64_fnv1a(const void* key, const uint64_t len) {
    
    const char* data = (char*)key;
    uint64_t hash = 0xcbf29ce484222325;
    uint64_t prime = 0x100000001b3;
    
    for(int i = 0; i < len; ++i) {
        uint8_t value = data[i];
        hash = hash ^ value;
        hash *= prime;
    }
    
    return hash;

} //hash_64_fnv1a