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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printhex.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/03/13 15:50:35 by dkaiser #+# #+# */
/* Updated: 2024/03/15 12:40:38 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "../ft_printf.h"
static void printhex_rec(unsigned int nbr, char fmt, int *len)
{
char c;
int success;
if (*len < 0)
return ;
if (nbr % 16 < 10)
c = '0' + (nbr % 16);
else
c = (fmt - 33) + (nbr % 16);
if (nbr > 15)
printhex_rec(nbr / 16, fmt, len);
if (*len < 0)
return ;
success = write(1, &c, 1);
if (success < 0)
*len = -1;
else
(*len)++;
}
int ft_printhex(unsigned int nbr, char fmt)
{
int len;
len = 0;
printhex_rec(nbr, fmt, &len);
return (len);
}
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