57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* :::::::: */
|
|
/* builtin_cd.c :+: :+: */
|
|
/* +:+ */
|
|
/* By: whaffman <whaffman@student.codam.nl> +#+ */
|
|
/* +#+ */
|
|
/* Created: 2025/02/20 11:33:07 by whaffman #+# #+# */
|
|
/* Updated: 2025/03/03 21:42:47 by whaffman ######## odam.nl */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "minishell.h"
|
|
|
|
static int builtin_cd_change_directory(t_minishell *msh, char *path)
|
|
{
|
|
char *oldpwd;
|
|
|
|
oldpwd = getcwd(NULL, 0);
|
|
if (oldpwd == NULL)
|
|
return (error_msg("cd", "getcwd failed"), EXIT_FAILURE);
|
|
if (chdir(path) == -1)
|
|
return (error_msg("cd", path), free(oldpwd), EXIT_FAILURE);
|
|
environment_update(msh, "OLDPWD", oldpwd);
|
|
free(oldpwd);
|
|
path = getcwd(NULL, 0);
|
|
environment_update(msh, "PWD", path);
|
|
free(path);
|
|
return (EXIT_SUCCESS);
|
|
}
|
|
|
|
int builtin_cd(t_minishell *msh, t_command *cmd)
|
|
{
|
|
t_environment *env;
|
|
char *path;
|
|
|
|
if (cmd->args[1] != NULL && cmd->args[2] != NULL)
|
|
return (error_msg("cd", "too many arguments"), EXIT_FAILURE);
|
|
if (cmd->args[1] == NULL)
|
|
{
|
|
env = environment_get(msh, "HOME");
|
|
if (env == NULL || env->value == NULL)
|
|
return (error_msg("cd", "HOME not set"), EXIT_FAILURE);
|
|
path = env->value;
|
|
}
|
|
else if (ft_strcmp(cmd->args[1], "-") == 0)
|
|
{
|
|
env = environment_get(msh, "OLDPWD");
|
|
if (env == NULL || env->value == NULL)
|
|
return (error_msg("cd", "OLDPWD not set"), EXIT_FAILURE);
|
|
path = env->value;
|
|
}
|
|
else
|
|
path = cmd->args[1];
|
|
return (builtin_cd_change_directory(msh, path));
|
|
}
|