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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_b_cd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <stdint.h>
#include <unistd.h>
#include "ft_f_fail.h"
#include "ft_s_destroy.h"
#include "ft_s_struct.h"
#include "ft_u_utils.h"
#include "ft_u_vars.h"
static void
ft_set_path(char **path,
char *args[],
t_msh *msh)
{
if (!(*path = ft_strdup(*args)))
{
ft_s_destroy(msh);
ft_fail_alloc(msh);
}
if (!ft_strncmp("~/", *path, 2) || !ft_strncmp("~", *path, 2))
{
if (!(*path = ft_strsubst(*path,
"~", ft_subst_var_value("$HOME", msh))))
{
ft_s_destroy(msh);
ft_fail_alloc(msh);
}
}
}
uint8_t
ft_b_cd(char *args[],
t_msh *msh)
{
const uint64_t argc = ft_get_argc((const char**)args);
char *path;
if (argc >= 2)
{
ft_fail_too_many_args("cd", msh);
return (1);
}
else if (argc == 0)
{
if (!(path = ft_subst_var_value("$HOME", msh)))
return (1);
}
else
ft_set_path(&path, args, msh);
if (chdir(path) != 0)
{
ft_fail_chd("cd", path, msh);
ft_memdel((void*)&path);
return (1);
}
ft_memdel((void*)&msh->cwd);
msh->cwd = getcwd(NULL, 0);
ft_memdel((void*)&path);
return (0);
}
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