utils_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils_bonus.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: zbabahmi <zbabahmi@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/02/10 17:02:11 by zbabahmi          #+#    #+#             */
/*   Updated: 2023/03/09 00:14:36 by zbabahmi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minitalk_bonus.h"

int	ft_atoi(char *str)
{
	int	i;
	int	sign;
	int	result;

	i = 0;
	sign = 1;
	result = 0;
	while (str[i] == 32 || (str[i] >= 9 && str[i] <= 13))
		i++;
	if (str[i] == '-')
	{
		sign = -1;
		i++;
	}
	else if (str[i] == '+')
		i++;
	while (str[i] != '\0' && str[i] >= '0' && str[i] <= '9')
	{
		result *= 10;
		result += str[i] - '0';
		i++;
	}
	return (result * sign);
}

void	ft_putchar(int c)
{
	write(1, &c, 1);
}

void	ft_putnbr(int n)
{	
	if (n >= 0 && n <= 9)
	{
		ft_putchar(n + '0');
	}
	else if (n < 0)
	{
		write (1, "-", 1);
		n *= -1;
	}
	else if (n >= 10)
	{
		ft_putnbr(n / 10);
		ft_putnbr(n % 10);
	}
}

int	ft_strlen(char *str)
{
	int	i;

	i = 0;
	while (str[i] != '\0')
		i++;
	return (i);
}