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cd.c
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cd.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* cd.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: akhalid <akhalid@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/02/21 05:28:26 by aelkhalo #+# #+# */
/* Updated: 2022/03/03 01:35:40 by akhalid ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void ft_cd1(void)
{
char *oldpwd;
char *tmp;
if (!key_exist("HOME"))
{
printf("minishell: cd: HOME not set\n");
g_all.exit_status = 1;
}
else
{
oldpwd = getcwd(NULL, 0);
replace_value("OLDPWD", oldpwd);
free(oldpwd);
tmp = get_value("HOME");
chdir(tmp);
replace_value("PWD", tmp);
g_all.exit_status = 0;
}
}
void update_pwds(void)
{
t_env *oldnode;
t_env *currentnode;
char *pwd;
if (!key_exist("OLDPWD"))
add_envv("OLDPWD", "");
oldnode = get_node("OLDPWD");
if (oldnode && oldnode->value)
free(oldnode->value);
currentnode = get_node("PWD");
if (currentnode && currentnode->value)
free(currentnode->value);
if (oldnode)
oldnode->value = ft_strdup(currentnode->value);
if (currentnode)
{
pwd = (char *)malloc(sizeof(char) * 100);
getcwd(pwd, 100);
currentnode->value = pwd;
}
free_env_arr();
g_all.env_arr = env_to_arr();
}
void ft_cd(char **args)
{
g_all.exit_status = 0;
if (n_args(args) == 1 || !ft_strcmp(args[1], "~"))
ft_cd1();
else
{
if (chdir(args[1]) == 0)
update_pwds();
else
{
write(2, args[1], ft_strlen(args[1]));
perror(": ");
g_all.exit_status = 1;
}
}
}