Add get_next_line to libft

1 files changed, 60 insertions, 0 deletions

diff --git a/get_next_line_utils.c b/get_next_line_utils.c
new file mode 100644
index 0000000..61171be
--- /dev/null
+++ b/get_next_line_utils.c
@@ -0,0 +1,60 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line_utils.c                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/03/15 14:14:59 by dkaiser           #+#    #+#             */
+/*   Updated: 2024/03/26 10:49:08 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "get_next_line.h"
+
+int	ft_strlen(const char *str)
+{
+	int	len;
+
+	if (!str)
+		return (0);
+	len = 0;
+	while (str[len])
+		len++;
+	return (len);
+}
+
+void	clear_buffer(char *buf, int start)
+{
+	while (start < BUFFER_SIZE)
+		buf[start++] = '\0';
+}
+
+char	*str_add_buffer(char *old_str, char *buf, int buf_len)
+{
+	char	*result;
+	int		len;
+	int		i;
+
+	if (!old_str)
+		len = buf_len;
+	else
+		len = ft_strlen(old_str) + buf_len;
+	result = malloc(sizeof(char) * (len + 1));
+	if (!result)
+	{
+		free(old_str);
+		return (NULL);
+	}
+	result[len] = '\0';
+	i = 0;
+	while (old_str && old_str[i])
+	{
+		result[i] = old_str[i];
+		i++;
+	}
+	while (i < len)
+		result[i++] = *(buf++);
+	free(old_str);
+	return (result);
+}