get_next_line_utils_bonus.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line_utils_bonus.c                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: het-taja <het-taja@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/12/26 15:15:07 by het-taja          #+#    #+#             */
/*   Updated: 2024/03/30 18:26:11 by het-taja         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line_bonus.h"

int	ft_strlen(char *str)
{
	int	i;

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

char	*ft_strjoin(char *s1, char *s2)
{
	int		i;
	char	*str;
	int		len1;
	int		len2;

	str = NULL;
	len1 = ft_strlen(s1);
	len2 = ft_strlen(s2);
	i = 0;
	if (s1 || s2)
	{
		str = malloc(sizeof(char) * (len1 + len2) + 1);
		if (!str)
			return (NULL);
		while (i < len1)
		{
			str[i] = s1[i];
			i++;
		}
		len2 = 0;
		while (i < len1 + ft_strlen(s2))
			str[i++] = s2[len2++];
		str[len1 + ft_strlen(s2)] = '\0';
	}
	return (str);
}

char	*ft_strdup(char *s)
{
	char	*str;
	size_t	index;
	size_t	lenth;

	lenth = ft_strlen(s);
	index = 0;
	if (!s)
		return (NULL);
	str = (char *)malloc(lenth + 1);
	if (!str)
		return (NULL);
	while (index < lenth)
	{
		str[index] = s[index];
		index++;
	}
	str[index] = '\0';
	return (str);
}