/*
** Builtin env
*/
void env(char **my_env, char **cmd)
{
int tabsize;
int nb;
char **new_env;
int i;
tabsize = my_tab_size(cmd);
if (tabsize < 2)
{
my_show_to_wordtab(my_env);
}
else
{
i = 1;
nb = count_value(cmd);
new_env = get_my_env(my_env);
while (i <= nb)
{
new_env = exec_setenv(new_env, cmd[i]);
i++;
}
cmd = cmd + nb + 1;
if (*cmd != 0)
exec_cmd(cmd, new_env);
}
}
static int cd_home(t_env **env)
{
t_env *tmp;
char *pwd;
tmp = *env;
if ((pwd = malloc(sizeof(char) * PWD_SIZE)) == NULL)
return (my_perror(QUIT_ERR, QUIT_RET));
if (exec_setenv("OLDPWD", getcwd(pwd, PWD_SIZE), env) == QUIT_RET)
return (QUIT_RET);
while (tmp != NULL && my_strcmp("HOME", tmp->key) != 0)
tmp = tmp->next;
if (tmp == NULL)
chdir("/");
else if (chdir(tmp->value) == -1)
write(2, CD_FAILED, my_strlen(CD_FAILED));
else
if (change_pwd_env(env, "PWD") == QUIT_RET)
return (QUIT_RET);
return (EXIT_SUCCESS);
}
int exec_execve(t_tree *tree, t_env **env)
{
t_env *tmp_env;
char *cmd;
tmp_env = *env;
while (tmp_env != NULL && my_strcmp(tmp_env->key, "PATH") != 0)
tmp_env = tmp_env->next;
if (tmp_env == NULL || tmp_env->value == NULL)
{
if (exec_setenv("PATH", DEFAULT_PATH, env) == QUIT_RET)
return (QUIT_RET);
return (exec_execve(tree, env));
}
if ((cmd = check_access(tree, tmp_env)) == NULL)
{
write(2, tree->lexer->content, my_strlen(tree->lexer->content));
write(2, ACCESS_ERR, my_strlen(ACCESS_ERR));
return (EXIT_FAILURE);
}
return (use_execve(tree, env, cmd));
}
int change_pwd_env(t_env **env, char *key)
{
t_env *tmp;
char *pwd;
tmp = *env;
pwd = NULL;
while (tmp != NULL && my_strcmp(tmp->key, key) != 0)
tmp = tmp->next;
if (tmp == NULL)
{
if ((pwd = malloc(sizeof(char) * PWD_SIZE)) == NULL)
return (my_perror(QUIT_ERR, QUIT_RET));
if (exec_setenv(key, getcwd(pwd, PWD_SIZE), env) == QUIT_RET)
return (QUIT_RET);
free(pwd);
return (change_pwd_env(env, key));
}
free(tmp->value);
if ((tmp->value = malloc(sizeof(char) * PWD_SIZE)) == NULL)
return (my_perror(QUIT_ERR, QUIT_RET));
getcwd(tmp->value, PWD_SIZE);
return (EXIT_SUCCESS);
}
