coucou

srcs/lst_env.c

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+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   lst_env.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/02/06 20:46:19 by tomoron           #+#    #+#             */
+/*   Updated: 2024/02/13 16:21:41 by marde-vr         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+t_env	*env_add_back(t_env *env, char *name, char *value)
+{
+	t_env	*res;
+	t_env	*current;
+
+	res = ft_calloc(1, sizeof(t_env));
+	if (!res)
+		return (env);
+	res->name = name;
+	res->value = value;
+	if (!env)
+		return (res);
+	current = env;
+	while (current->next)
+		current = current->next;
+	current->next = res;
+	return (env);
+}
+
+void	free_env(t_env *env)
+{
+	if (env && env->next)
+		free_env(env->next);
+	if (env)
+	{
+		free(env->name);
+		free(env->value);
+	}
+	free(env);
+}
+
+int	print_env(t_env *env)
+{
+	while (env)
+	{
+		ft_printf("%s=%s\n", env->name, env->value);
+		env = env->next;
+	}
+	return (0);
+}
+
+char	*ft_get_env(t_env *env, char *name)
+{
+	while (env)
+	{
+		if (!ft_strcmp(env->name, name))
+			return (env->value);
+		env = env->next;
+	}
+	return (0);
+}
+
+int	get_var_name_len(char *command)
+{
+	int	res;
+
+	res = 0;
+	if (command[res] == '?')
+		return (1);
+	while (ft_isalnum(command[res]) || command[res] == '_')
+		res++;
+	return (res);
+}