intra to gitea

src/utils/utils.c

@@ -0,0 +1,96 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   utils.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tordner <[email protected]>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/02/04 15:49:05 by thorgal           #+#    #+#             */
+/*   Updated: 2025/06/02 23:59:34 by tordner          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+char	*get_current_dir_name(void)
+{
+	char	pwd[PATH_MAX];
+	char	*dir;
+
+	if (getcwd(pwd, PATH_MAX) == NULL)
+		return (strdup("minishell"));
+	dir = strrchr(pwd, '/');
+	if (!dir || !dir[1])
+		return (strdup(pwd));
+	return (strdup(dir + 1));
+}
+
+char	*ft_get_env_var(char **env, char *var)
+{
+	int	i;
+	int	len;
+
+	i = 0;
+	len = ft_strlen(var);
+	while (env[i])
+	{
+		if (ft_strncmp(env[i], var, len) == 0 && env[i][len] == '=')
+			return (&env[i][len + 1]);
+		i++;
+	}
+	return (NULL);
+}
+
+char	**copy_env(char **envp)
+{
+	char	**env;
+	int		i;
+
+	i = 0;
+	while (envp[i])
+		i++;
+	env = malloc(sizeof(char *) * (i + 1));
+	if (!env)
+		return (NULL);
+	i = 0;
+	while (envp[i])
+	{
+		env[i] = strdup(envp[i]);
+		if (!env[i])
+		{
+			while (--i >= 0)
+				free(env[i]);
+			free(env);
+			return (NULL);
+		}
+		i++;
+	}
+	env[i] = NULL;
+	return (env);
+}
+
+char	**add_env_var(char **env, char *new_var)
+{
+	char	**new_env;
+	int		i;
+	int		count;
+
+	count = 0;
+	while (env[count])
+		count++;
+	new_env = malloc(sizeof(char *) * (count + 2));
+	if (!new_env)
+		return (NULL);
+	i = 0;
+	while (i < count)
+	{
+		new_env[i] = env[i];
+		i++;
+	}
+	new_env[i] = ft_strdup(new_var);
+	if (!new_env[i])
+		return (free(new_env), NULL);
+	new_env[i + 1] = NULL;
+	free(env);
+	return (new_env);
+}