base struct

lib/libft/srcs/str/ft_strmapi.c

@@ -0,0 +1,32 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strmapi.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: nalebrun <nalebrun@student.s19.be>         +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/10/15 16:32:03 by nalebrun          #+#    #+#             */
+/*   Updated: 2024/11/25 16:16:28 by nalebrun         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../../libft.h"
+
+char	*ft_strmapi(char const *s, char (*f)(unsigned int, char))
+{
+	size_t			len;
+	unsigned int	i;
+	char			*out;
+
+	if (!s || !f)
+		return (NULL);
+	len = ft_strlen(s);
+	out = (char *)ft_calloc(len + 1, sizeof(char));
+	if (!out)
+		return (NULL);
+	i = -1;
+	while (++i < len)
+		out[i] = f(i, s[i]);
+	out[len] = '\0';
+	return (out);
+}