/* Test FD* macros. Copyright (C) 1997-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Robert Bihlmeyer . The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ #include #include static int do_test (void) { int retval = 0; int i; fd_set set; FD_ZERO (&set); for (i=0; i < FD_SETSIZE; ++i) { printf ("%d => check:", i); if (FD_ISSET (i, &set) == 0) fputs ("ok", stdout); else { fputs ("nok", stdout); retval = 1; } fputs (", set", stdout); FD_SET (i, &set); fputs (", check:", stdout); if (FD_ISSET (i, &set)) fputs ("ok", stdout); else { fputs ("nok", stdout); retval = 1; } fputs (", clear", stdout); FD_CLR (i, &set); fputs (", check:", stdout); if (FD_ISSET (i, &set) == 0) puts ("ok"); else { puts ("nok"); retval = 1; } } return retval; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"