From 00ad7429f223c85e99da6ffa8f7dade0c73c97b5 Mon Sep 17 00:00:00 2001 From: Christopher Uhlig Date: Fri, 25 Oct 2024 20:53:44 +0200 Subject: update for builtins and extra functions --- src/builtins_part_two.c | 82 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 src/builtins_part_two.c (limited to 'src/builtins_part_two.c') diff --git a/src/builtins_part_two.c b/src/builtins_part_two.c new file mode 100644 index 0000000..94ef258 --- /dev/null +++ b/src/builtins_part_two.c @@ -0,0 +1,82 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* builtins_part_two.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: chuhlig +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/10/25 20:52:16 by chuhlig #+# #+# */ +/* Updated: 2024/10/25 20:52:46 by chuhlig ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "env.h" + +void update_oldpwd(t_env **env) +{ + t_env *current; + t_env *prev; + char cwd[1028]; + char *tmp; + + 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; + + 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; + t_env *prev; + t_env *pwd; + + current = env; + if (av[1] == NULL) + { + update_oldpwd(&env); + while (current) + { + if (ft_strncmp(current->name, "HOME", 4) == 0) + break ; + prev = current; + current = current->next; + } + if (chdir(current->value) == -1) + return ; + } + else + { + update_oldpwd(&env); + if (chdir(av[1]) == -1) + return ; + update_pwd(&env); + } +} \ No newline at end of file -- cgit v1.2.3