int exec_pipe(t_tree *root)
{
int fd[2];
pid_t pid;
int i[2];
pipe(fd);
pid = fork();
if (pid == 0)
{
close(fd[0]);
dup2(fd[1], STDOUT_FILENO);
i[1] = sh_interpret(root->left);
close(fd[1]);
exit(i[1] * 255);
}
else if (pid > 0)
{
close(fd[1]);
dup2(fd[0], STDIN_FILENO);
close(fd[0]);
i[1] = sh_interpret(root->right);
wait(&(i[0]));
exec_free_root(root->left);
}
return (i[1]);
}
int exec_or(t_tree *root)
{
int ret;
if ((ret = sh_interpret(root->left)) == 0)
{
exec_free_root(root->right);
return (ret);
}
else
{
sh_reset_std_fd();
return (sh_interpret(root->right));
}
}
int exec_end(t_tree *root)
{
char *ret;
int i;
i = sh_interpret(root->left);
ret = ft_itoa(i);
if ((sh_change_var_env("?", ret)) == -1)
sh_add_var_env("?", ret);
free(ret);
sh_reset_std_fd();
if (root->right != NULL)
return (sh_interpret(root->right));
else
return (i);
}
int exec_redout(t_tree *root)
{
int ret;
int fd[2];
if (root->types == G_AND && root->cmd[1][0] == '-')
{
close(ft_atoi(root->cmd[0]));
return (sh_interpret(root->right));
}
if ((fd[1] = exec_redout_g_and(root)) < 0)
return (exec_free_root(root->right) + 1);
fd[0] = ft_atoi(root->cmd[0]);
if (fd[0] >= g_std_fd[0] && fd[0] <= g_std_fd[2])
fd[0] = STDOUT_FILENO;
if (root->types == AND_G)
dup2(fd[1], STDERR_FILENO);
dup2(fd[1], fd[0]);
ret = sh_interpret(root->right);
close(fd[1]);
return (ret);
}