109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* cd.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: syd <syd@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/03/21 18:30:26 by sadjigui #+# #+# */
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/* Updated: 2022/04/19 16:56:35 by syd ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../../includes/minishell.h"
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void add_one(t_s_cmd *cmd)
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{
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char p[1024];
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char *str;
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int i;
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i = find_it(cmd->big_cmd->env, "PWD");
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str = getcwd(p, sizeof(p));
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free(cmd->big_cmd->env[i]);
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cmd->big_cmd->env[i] = ft_strjoin("PWD=", p);
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}
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void change_path(t_s_cmd *cmd)
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{
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int old;
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int pwd;
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if (find_it(cmd->big_cmd->env, "OLDPWD") != -1)
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{
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pwd = find_it(cmd->big_cmd->env, "PWD");
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old = find_it(cmd->big_cmd->env, "OLDPWD");
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free(cmd->big_cmd->env[old]);
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cmd->big_cmd->env[old] = ft_strjoin("OLD", cmd->big_cmd->env[pwd]);
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}
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add_one(cmd);
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}
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void check_home(char *p, char **env)
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{
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int home;
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int len_home;
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int old_pwd;
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int pwd;
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home = find_it(env, "HOME");
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len_home = ft_strlen(env[home]);
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old_pwd = find_it(env, "OLDPWD");
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pwd = find_it(env, "PWD");
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p = ft_substr(env[home], 5, ft_strlen(env[len_home]));
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if (chdir(p) == 0)
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{
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if (find_it(env, "PWD") != -1)
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{
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if (find_it(env, "OLDPWD") != -1)
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{
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free(env[old_pwd]);
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env[old_pwd] = ft_strjoin("OLD", env[pwd]);
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}
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free(env[pwd]);
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env[pwd] = ft_strjoin("PWD=", p);
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}
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}
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free(p);
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}
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int check_dir(t_s_cmd *cmd)
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{
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if (chdir(cmd->args[1]) == 0)
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{
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if (find_it(cmd->big_cmd->env, "PWD") != -1)
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change_path(cmd);
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}
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else
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{
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ft_putstr_fd("Minishell: cd: ", 2);
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ft_putstr_fd(cmd->args[1], 2);
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ft_putstr_fd(": No such directory\n", 2);
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return (check_return(cmd, 1));
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}
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return (check_return(cmd, 0));
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}
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int open_directory(t_s_cmd *cmd)
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{
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char *p;
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int j;
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int i;
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p = NULL;
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i = 0;
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if (find_it(cmd->big_cmd->env, "PWD") != -1)
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j = size_path(cmd->big_cmd->env);
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if (cmd->nb_args > 2)
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return (cd_error(cmd, "Minishell: cd: too many arguments", 1));
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if (!cmd->args[1])
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{
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if (find_it(cmd->big_cmd->env, "HOME") < 0)
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return (cd_error(cmd, "Minishell: cd: HOME not set", 1));
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check_home(p, cmd->big_cmd->env);
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}
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else if (cmd->nb_args == 2)
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i = check_dir(cmd);
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return (check_return(cmd, i));
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}
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