ft_printf.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_printf.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tgrekov <tgrekov@student.hive.fi>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/10/31 23:03:16 by tgrekov           #+#    #+#             */
/*   Updated: 2024/02/13 07:22:32 by tgrekov          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "../../libft/libft.h"
#include "utils/utils.h"
#include <stdarg.h>
 
int handle_sequence(const char **format, va_list args, int *fd, int total);
 
static void do_segment(const char **format, va_list args, int *fd, int *total)
{
    char    *seq_start;
    int     print_len;
 
    seq_start = ft_strchr(*format, '%');
    if (!seq_start)
        print_len = ft_strlen(*format);
    else
        print_len = seq_start - *format;
    if (print_len && seq_start != *format
        && !wrap_err(write(*fd, *format, print_len), total))
        return ;
    *format += print_len;
    if (seq_start)
    {
        (*format)++;
        wrap_err(handle_sequence(format, args, fd, *total), total);
    }
}
 
int ft_printf(const char *format, ...)
{
    va_list args;
    int     total;
    int     fd;
 
    if (!format)
        return (-1);
    fd = STDOUT_FILENO;
    va_start(args, format);
    total = 0;
    while (total > -1 && *format)
        do_segment(&format, args, &fd, &total);
    va_end(args);
    return (total);
}