42-archive/42sh/src/builtin/bt_cd_process_dotdot.c
2017-03-25 20:50:13 +01:00

32 lines
1.4 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* bt_cd_process_dotdot.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ariard <ariard@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2017/03/25 03:54:22 by ariard #+# #+# */
/* Updated: 2017/03/25 20:49:53 by ariard ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
#define CDERR_0 "cd : %s: No such file or directory"
#define CDERR_1 "cd : %s: Permission denied"
#define CDERR_2 "cd : %s: Not a directory"
#define CDERR_3 "cd : unable to proceed: %s"
int bt_cd_process_dotdot(char *target)
{
if (access(target, F_OK))
return (SH_ERR(CDERR_0, target));
if (access(target, X_OK))
return (SH_ERR(CDERR_1, target));
if (!is_directory(target))
return (SH_ERR(CDERR_2, target));
if (chdir(target))
return (SH_ERR(CDERR_3, target));
setwd("PWD");
return (0);
}