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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* builtins_part_two.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/25 20:52:16 by chuhlig #+# #+# */
/* Updated: 2025/01/20 19:12:33 by chuhlig ### ########.fr */
/* */
/* ************************************************************************** */
#include "env.h"
void update_oldpwd(t_env **env)
{
t_env *current;
t_env *prev;
char cwd[1028];
char *tmp;
prev = NULL;
current = *env;
while (current)
{
if (ft_strncmp(current->name, "OLDPWD", 6) == 0)
break ;
prev = current;
current = current->next;
}
getcwd(cwd, sizeof(cwd));
tmp = ft_strdup(cwd);
free(current->value);
current->value = tmp;
}
void update_pwd(t_env **env)
{
t_env *current;
t_env *prev;
char cwd[1028];
char *tmp;
prev = NULL;
current = *env;
while (current)
{
if (ft_strncmp(current->name, "PWD", 3) == 0)
break ;
prev = current;
current = current->next;
}
getcwd(cwd, sizeof(cwd));
tmp = ft_strdup(cwd);
free(current->value);
current->value = tmp;
}
int cd(t_env **env, char **av)
{
t_env *current;
current = *env;
if (av[1] == NULL)
{
update_oldpwd(env);
while (current)
{
if (ft_strncmp(current->name, "HOME", 4) == 0)
break ;
current = current->next;
}
if (chdir(current->value) == -1)
return (1);
update_pwd(env);
}
else
{
update_oldpwd(env);
if (chdir(av[1]) == -1)
return (1);
update_pwd(env);
}
return (0);
}
int pwd(t_env *env)
{
while (env)
{
if (ft_strncmp(env->name, "PWD", 4) == 0)
{
ft_printf("%s\n", env->value);
break ;
}
env = env->next;
}
return (0);
}
int ft_env(t_env *env)
{
while (env != NULL)
{
if (ft_strchr(env->name, '?'))
{
env = env->next;
continue ;
}
printf("%s", env->name);
printf("=%s\n", env->value);
env = env->next;
}
return (0);
}
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