get_next_line_utils.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils.c                              :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: ngobert <ngobert@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/11/01 17:12:38 by ngobert           #+#    #+#             */
/*   Updated: 2021/12/02 12:53:55 by ngobert          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line.h"

size_t	ft_strlen(char *str)
{
	size_t	i;

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

int	ft_check_nl(char *str)
{
	if (str[0] == '\n')
		return (1);
	return (0);
}

char	*ft_free(char *str)
{
	free(str);
	return (0);
}

char	*ft_strjoin(char *s1, char *s2)
{
	char		*dest;
	size_t		i;
	size_t		j;

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