100 lines
2.8 KiB
C
Executable File
100 lines
2.8 KiB
C
Executable File
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_print_int.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/11/05 15:52:46 by tomoron #+# #+# */
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/* Updated: 2023/11/05 15:53:56 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "ft_printf.h"
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int ft_calc_signed_int_len(int nb, t_flags flags)
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{
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int res;
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long int n;
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res = 1;
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n = (long int) nb;
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if (flags.precision == 0 && nb == 0)
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return (0);
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if (n < 0)
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{
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n = n * -1;
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}
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while (n > 9)
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{
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res++;
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n /= 10;
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}
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return (res);
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}
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size_t ft_putsign(int nb, t_flags flags, int sign)
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{
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if (nb < 0)
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return (ft_putchar('-'));
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if (sign && flags.blank_positive)
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return (ft_putchar(' '));
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if (sign)
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return (ft_putchar('+'));
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return (0);
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}
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int ft_print_signed_int_blank_sign(int nb, t_flags flags, size_t *res)
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{
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int blank_len;
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int zero_len;
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int number_len;
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int sign;
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number_len = ft_calc_signed_int_len(nb, flags);
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sign = (nb < 0) || flags.always_sign_number || flags.blank_positive;
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zero_len = 0;
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if (flags.precision > number_len)
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zero_len = flags.precision - number_len;
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blank_len = flags.min_width - zero_len - number_len - sign;
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if (blank_len > 0 && !flags.left_justify && ((!flags.zero_padding
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&& nb != 0) || (flags.zero_padding && flags.precision != -1)))
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*res += ft_fill_width(' ', blank_len);
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*res += ft_putsign(nb, flags, sign);
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if (blank_len > 0 && !flags.left_justify && flags.zero_padding
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&& flags.precision == -1)
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*res += ft_fill_width('0', blank_len);
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*res += ft_fill_width('0', zero_len);
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return (blank_len);
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}
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void ft_put_lu_nbr(long unsigned int nb)
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{
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if (nb > 9)
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ft_put_lu_nbr(nb / 10);
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ft_putchar("0123456789"[nb % 10]);
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}
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size_t ft_print_signed_int(int nb, t_flags flags)
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{
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int blank_len;
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long int n;
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size_t res;
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res = ft_calc_signed_int_len(nb, flags);
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n = (long int)nb;
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if (n < 0)
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n *= -1;
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blank_len = ft_print_signed_int_blank_sign(nb, flags, &res);
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if (flags.precision != 0 || nb != 0)
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ft_put_lu_nbr((long unsigned int)n);
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if (blank_len > 0 && flags.left_justify)
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{
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if (flags.zero_padding)
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res += ft_fill_width('0', blank_len);
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else
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res += ft_fill_width(' ', blank_len);
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}
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return (res);
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}
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