int.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   int.c                                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tgrekov <tgrekov@student.hive.fi>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/01 05:18:23 by tgrekov           #+#    #+#             */
/*   Updated: 2024/02/13 08:37:14 by tgrekov          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include <stdarg.h>
#include <unistd.h>
#include <stdlib.h>
#include "../sequence.h"
#include "../../utils/utils.h"
#include "../../utils/internal_types.h"
 
int process_uint(t_sequence seq, int *fd, int total);
 
static t_biggest    signed_arg(va_list args, t_lenmod lenmod)
{
    if (lenmod == hh)
        return ((signed char) va_arg(args, int));
    if (lenmod == h)
        return ((short) va_arg(args, int));
    if (lenmod == l)
        return (va_arg(args, long));
    if (lenmod == ll)
        return (va_arg(args, long long));
    if (lenmod == j)
        return (va_arg(args, intmax_t));
    if (lenmod == z)
        return (va_arg(args, size_t));
    if (lenmod == t)
        return (va_arg(args, t_ptrdiff_t));
    return (va_arg(args, int));
}
 
static t_ubiggest   lltull(t_biggest n)
{
    if (n == -T_BIGGEST_MAX - 1LL)
        return ((t_ubiggest)(-(n + 1)) + 1ULL);
    if (n < 0)
        n = -n;
    return (n);
}
 
void    pre_int(va_list args, t_sequence *seq)
{
    t_biggest   n;
 
    n = signed_arg(args, seq->subspec.lenmod);
    if (n < 0)
        seq->sign = "-";
    seq->data = lltull(n);
    seq->total_len = u_len_base(seq->data, 10)
        - (!seq->subspec.precision && !seq->data);
    if (seq->subspec.precision > seq->total_len)
        seq->total_len = seq->subspec.precision;
    if (seq->subspec.precision != -1)
        seq->subspec.pad_str = "          ";
    if (seq->subspec.forced_sign && !seq->sign)
        seq->sign = seq->subspec.forced_sign;
    seq->process = process_uint;
}