get_next_line/ft_atoi_color.c

34 lines
1.3 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi_color.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: gbrochar <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2015/11/27 19:18:43 by gbrochar #+# #+# */
/* Updated: 2016/05/06 10:25:37 by gbrochar ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_atoi_color(char *hexa_color)
{
int i;
int result;
result = 0;
i = 5;
while (i >= 0)
{
if (hexa_color[i] >= '0' && hexa_color[i] <= '9')
result += (hexa_color[i] - '0') * ft_power(16, (6 - i));
else if (hexa_color[i] >= 'A' && hexa_color[i] <= 'F')
result += (hexa_color[i] - '0') * ft_power(16, (6 - i));
else
return (-1);
i--;
}
return (result);
}