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ft_printf_hex.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_printf_hex.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mokhan <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/10/05 20:30:41 by mokhan #+# #+# */
/* Updated: 2023/10/06 13:38:18 by mokhan ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_printf.h"
void ft_puthex_fd(unsigned int num, const char c, int fd)
{
if (num >= 16)
{
ft_puthex_fd(num / 16, c, fd);
ft_puthex_fd(num % 16, c, fd);
}
else
{
if (num <= 9)
ft_putchar_fd(num + '0', fd);
else
ft_putchar_fd(num - 33 + c, fd);
}
}
static int print_nbr_right(unsigned int nbr, int *flags, const char c)
{
int i;
int j;
i = 0;
j = 0;
while (i < flags[7])
i += write(1, " ", 1);
if (flags[2])
{
flags[2] = write(1, "0", 1);
flags[2] += write(1, &c, 1);
}
while (j < flags[6])
j += write(1, "0", 1);
if (flags[5] < 2)
ft_puthex_fd(nbr, c, 1);
return (i + j + flags[2]);
}
static int print_nbr_left(unsigned int nbr, int *flags, const char c)
{
int i;
int j;
i = 0;
j = 0;
if (flags[2])
{
flags[2] = write(1, "0", 1);
flags[2] += write(1, &c, 1);
}
while (j < flags[6])
j += write(1, "0", 1);
if (flags[5] < 2)
ft_puthex_fd(nbr, c, 1);
while (i < flags[7])
i += write(1, " ", 1);
return (i + j + flags[2]);
}
int print_hex(unsigned int nbr, int *flags, const char c)
{
int len;
len = ft_numlen(nbr, 16);
if (!nbr)
flags[2] = 0;
if (flags[5] && !flags[6] && !nbr)
flags[5] += len--;
if (flags[4] && !flags[5])
{
flags[6] = flags[7];
flags[7] = 0;
}
if (flags[6] > len)
flags[7] -= flags[6];
else
flags[7] -= len ;
if (flags[5])
flags[6] -= len;
else
flags[6] -= len ;
if (flags[3])
return (len + print_nbr_left(nbr, flags, c));
return (len + print_nbr_right(nbr, flags, c));
}