diff options
Diffstat (limited to 'src/ft_printhex.c')
| -rw-r--r-- | src/ft_printhex.c | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/src/ft_printhex.c b/src/ft_printhex.c index e96b322..d65de1c 100644 --- a/src/ft_printhex.c +++ b/src/ft_printhex.c @@ -6,42 +6,39 @@ /* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2024/03/13 15:50:35 by dkaiser #+# #+# */ -/* Updated: 2024/03/13 16:00:38 by dkaiser ### ########.fr */ +/* Updated: 2024/03/15 12:40:38 by dkaiser ### ########.fr */ /* */ /* ************************************************************************** */ #include "../ft_printf.h" -static int get_len(unsigned int n) +static void printhex_rec(unsigned int nbr, char fmt, int *len) { - int len; + char c; + int success; - len = 0; - if (n == 0) - return 1; - while (n) - { - len++; - n /= 16; - } - return len; + 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)++; } -static void printhex_rec(unsigned int nbr, char fmt) +int ft_printhex(unsigned int nbr, char fmt) { - char c; + int len; - if (nbr % 16 < 10) - c = '0' + (nbr % 16); - else - c = fmt - 35 + (nbr % 16); - if (nbr > 15) - printhex_rec(nbr, fmt); - write(1, &c, 1); -} - -int ft_printhex(unsigned int nbr, char fmt) -{ - printhex_rec(nbr, fmt); - return get_len(nbr); + len = 0; + printhex_rec(nbr, fmt, &len); + return (len); } |