1 files changed, 38 insertions, 0 deletions
diff --git a/libft/ft_substr.c b/libft/ft_substr.c
new file mode 100644
index 0000000..283db6e
--- /dev/null
+++ b/libft/ft_substr.c
@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_substr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kdx    <kdx   @student.42angouleme.fr      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/09/28 06:35:57 by kdx               #+#    #+#             */
+/*   Updated: 2022/10/14 02:37:58 by kdx              ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+char	*ft_substr(char const *s, unsigned int start, size_t len)
+{
+	ssize_t	size;
+	char	*ptr;
+
+	if (s == NULL)
+		return (NULL);
+	size = ft_strlen(s);
+	size -= start;
+	if (size < 0)
+		size = 0;
+	if ((size_t)size > len)
+		size = len;
+	ptr = malloc(size + 1);
+	if (ptr == NULL)
+		return (NULL);
+	ptr[size] = '\0';
+	while (size > 0)
+	{
+		size -= 1;
+		ptr[size] = s[start + size];
+	}
+	return (ptr);
+}