/**
 * @file Hash.cpp
 * @author apio (cloudapio.eu)
 * @brief Common hash functions for use in hash tables.
 *
 * @copyright Copyright (c) 2023, the Luna authors.
 *
 */

#include <luna/CString.h>
#include <luna/Hash.h>

u64 hash_memory(const void* mem, usize size, u64 salt)
{
    const char* p = (const char*)mem;
    u64 h = salt;
    while (--size) h = h * 101 + (u64)*p++;
    return h;
}

template <> u64 hash(const char* const& value, u64 salt)
{
    return hash_memory(value, strlen(value), salt);
}