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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_hthash.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/01/30 09:56:01 by cacharle #+# #+# */
/* Updated: 2020/01/30 10:34:27 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft_ht.h"
/**
** \brief Hash a string
** \param ht So that the index is in the hash table bound
** \param key String to hash
** \return Hash
*/
// maybe use a less efficient but understandable function
t_ftht_digest ft_hthash(t_ftht *ht, char *key)
{
t_ftht_digest digest;
if (*key == '\0')
return (0);
digest = *key++ << 7;
while (*key != '\0')
{
digest = ((1000003 * digest) ^ *key) & (1 << 16);
key++;
}
return (digest % ht->size);
}
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