1 /* Ensure that __fpending works. 2 3 Copyright (C) 2004, 2007-2021 Free Software Foundation, Inc. 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation, either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <https://www.gnu.org/licenses/>. 17 18 Written by Jim Meyering. */ 19 20 #include <config.h> 21 22 #include "fpending.h" 23 24 #include <stdio.h> 25 #include <stdlib.h> 26 27 #include "macros.h" 28 29 int 30 main (void) /* */ 31 { 32 ASSERT (__fpending (stdout) == 0); 33 34 fputs ("foo", stdout); 35 ASSERT (__fpending (stdout) == 3); 36 37 fflush (stdout); 38 ASSERT (__fpending (stdout) == 0); 39 40 exit (0); 41 }