truncate_zeros.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   truncate_zeros.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lilam <marvin@42.fr>                       +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/01/15 09:06:41 by lilam             #+#    #+#             */
/*   Updated: 2018/01/31 02:38:59 by hiroshius        ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "ft_printf.h"

void		truncate_zeros(char **str)
{
	int		i;
	int		sign;
	char	*temp;

	i = 0;
	if (*str[i] == '-')
	{
		sign = -1;
		i++;
	}
	while ((*str)[i] && (*str)[i] == '0')
		i++;
	temp = *str;
	if (sign == -1)
		*str = ft_strjoin("-", *str + i);
	else
		*str = ft_strdup(*str + i);
	free(temp);
}