utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: jkiragu <jkiragu@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/03 15:13:26 by jkiragu           #+#    #+#             */
/*   Updated: 2022/11/07 11:53:44 by jkiragu          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minitalk.h"

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

void	ft_putnbr(int n)
{
	if (n > 9)
		ft_putnbr(n / 10);
	write(1, &"0123456789"[n % 10], 1);
}

void	ft_putstr(char *str)
{
	while (*str)
		write(1, str++, 1);
}

int	ft_atoi(const char *str)
{
	int			num;
	int			sign;

	sign = 1;
	num = 0;
	while (*str >= 7 && *str <= 14)
		str++;
	if (*str == '-')
		sign = -1;
	if (*str == '-' || *str == '+')
		str++;
	while (*str >= '0' && *str <= '9')
	{
		num = num * 10 + (*str - 48);
		str++;
	}
	return (num * sign);
}

size_t	ft_strlen(const char *str)
{
	int	i;

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