Files
42_INT_07_minishell/srcs/builtins/cd.c
2021-12-05 16:28:41 +01:00

38 lines
1.5 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* cd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/12/04 19:31:19 by lperrey #+# #+# */
/* Updated: 2021/12/05 16:21:41 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
int builtin_cd(int argc, char *argv[], t_all *c)
{
char *tmp;
if (argc == 2)
tmp = argv[1];
else if (argc < 2)
{
tmp = getenv("HOME");
if (!tmp)
return (shell_error("cd: ", "HOME not set", "", EXIT_FAILURE));
}
else if (argc > 2)
return (shell_error("cd: ", "too many arguments", "", EXIT_FAILURE));
if (chdir(tmp) == -1)
return (shell_perror("cd: ", tmp, ": ", EXIT_FAILURE));
tmp = init_prompt(c->prompt_base);
if (!tmp)
return (ft_reti_perror(EXIT_FAILURE, "builtin_cd, init_prompt()"));
free(c->prompt);
c->prompt = tmp;
return (EXIT_SUCCESS);
}