utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: uviana-a <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/08/17 19:38:33 by uviana-a          #+#    #+#             */
/*   Updated: 2023/08/17 19:38:35 by uviana-a         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minitalk.h"

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

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

void	ft_putstr_fd(char *s, int fd)
{
	write(fd, s, ft_strlen(s));
}

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

char	*ft_strjoin_mod(char *s1, char *s2)
{
	char	*join;
	int		i;
	int		j;

	i = -1;
	if (!s1)
	{
		s1 = malloc(sizeof(char) * 1);
		s1[0] = '\0';
	}
	join = (char *)malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
	if (!join)
		return (NULL);
	while (s1[++i] != '\0')
		join[i] = s1[i];
	j = 0;
	while (s2[j] != '\0')
		join[i++] = s2[j++];
	join[i++] = '\0';
	free(s1);
	return (join);
}

//RESIZE FT_ATOI
int	ft_atoi(const char *nptr)
{
	int	signal;
	int	number;

	signal = 1;
	number = 0;
	while (*nptr == 32 || (*nptr >= 9 && *nptr <= 13))
	{
		nptr++;
	}
	if (*nptr == '+' || *nptr == '-')
	{
		if (*nptr == '-')
		{
			signal = signal * (-1);
		}
		nptr++;
	}
	while (*nptr >= '0' && *nptr <= '9')
	{
		number *= 10;
		number += *nptr - 48;
		nptr++;
	}
	return (signal * number);
}