substr

ft_itoa.c

@@ -6,7 +6,7 @@
 /*   By: ctherin <ctherin@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/05/09 16:58:14 by ctherin           #+#    #+#             */
-/*   Updated: 2022/05/09 17:22:48 by ctherin          ###   ########.fr       */
+/*   Updated: 2022/05/09 17:34:10 by ctherin          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -44,7 +44,7 @@ char	*ft_itoa(int n)
 
 	nb_len = get_nb_len(n);
 	nl = n;
-	ptr = ft_calloc(nb_len, sizeof(char));
+	ptr = ft_calloc(nb_len + 1, sizeof(char));
 	if (!ptr)
 		return (NULL);
 	if (nl < 0)

ft_substr.c

@@ -0,0 +1,32 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_substr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: ctherin <ctherin@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/05/09 17:31:48 by ctherin           #+#    #+#             */
+/*   Updated: 2022/05/09 17:39:42 by ctherin          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include"libft.h"
+
+char	*ft_substr(char const *s, unsigned int start, size_t len)
+{
+	char	*ptr;
+	size_t	i;
+	char	*d;
+
+	i = 0;
+	d = (char *)s;
+	ptr = ft_calloc(len + 1, sizeof(char));
+	if (!ptr)
+		return (ptr);
+	while (i < len && d[start + i])
+	{
+		ptr[i] = d[i + start];
+		i++;
+	}
+	return (ptr);
+}

libft.h

@@ -6,7 +6,7 @@
 /*   By: ctherin <ctherin@student.42.fr>            +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/05/02 17:49:13 by ctherin           #+#    #+#             */
-/*   Updated: 2022/05/09 17:21:37 by ctherin          ###   ########.fr       */
+/*   Updated: 2022/05/09 17:39:03 by ctherin          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -44,5 +44,6 @@ int		ft_atoi(const char *nptr);
 char	*ft_strjoin(char const *s1, char const *s2);
 char	**ft_split(const char *s, char c);
 char	*ft_itoa(int n);
+char	*ft_substr(char const *s, unsigned int start, size_t len);
 
 #endif