saved changes before repartition

src/features/builtins/export.c

@@ -0,0 +1,38 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   export.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: sede-san <sede-san@student.42madrid.com    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/08/04 21:38:45 by sede-san          #+#    #+#             */
+/*   Updated: 2025/08/05 14:55:31 by sede-san         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+int	export_builtin(int argc, char const *argv[], char **envp)
+{
+	size_t	i;
+	char	**env;
+
+	(void)argv;
+	if (argc == 2)
+	{
+		i = 0;
+		env = ft_split(argv[1], '=');
+		while (envp[i]) // ENV=value
+		{
+			if (ft_strncmp(envp[i], env[0], ft_strlen(env[0])) == 0)
+			{
+				char *line = ft_strjoin_mul(3, env[0], "=", env[1]);
+				envp[i] = line;
+				break ;
+			}
+			i++;
+		}
+		ft_free_split(env);
+	}
+	return (0);
+}