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feature: added env, setenv & unsetenv builtins

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added -i option & command execution to env
added setenv & unsetenv builtins
This commit is contained in:
Tanguy Maze
2019-10-10 16:56:40 +02:00
parent 58459bc0c1
commit d22bc173f1
4 changed files with 156 additions and 78 deletions
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45
srcs/cmd_env.c
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@@ -6,7 +6,7 @@
/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/09/20 14:33:48 by tmaze #+# #+# */
/* Updated: 2019/09/26 15:20:58 by tmaze ### ########.fr */
/* Updated: 2019/10/10 13:49:33 by tmaze ### ########.fr */
/* */
/* ************************************************************************** */
@@ -27,9 +27,48 @@ static void put_env(t_env *env)
}
}
t_env *envcpy(t_env *env)
{
t_env *cpy;
cpy = NULL;
if (env != NULL && (cpy = (t_env*)ft_memalloc(sizeof(t_env))) != NULL)
if ((cpy->key = ft_strdup(env->key)) == NULL
|| (cpy->val = ft_strdup(env->val)) == NULL)
lstdelelem(&cpy);
return (cpy);
}
int cmd_env(char** argv, t_env** env)
{
if (!argv[1])
put_env(*env);
int i;
t_env *it;
t_env *new;
t_env *env_cp;
i = 1;
env_cp = NULL;
if (!ft_strequ(argv[i] , "-i") && (env != NULL))
{
it = *env;
while (it)
{
if ((new = envcpy(it)) == NULL)
{
lstdel(&env_cp);
ft_putstr_fd("minishell: env: Env copy error\n", 2);
return (2);
}
lstaddend(&env_cp, new);
it = it->next;
}
}
if (ft_strequ(argv[i] , "-i"))
i++;
if (argv[i])
exec_cmd(argv + i, &env_cp);
else
put_env(env_cp);
lstdel(&env_cp);
return (0);
}