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[thirdparty/glibc.git] / misc / tst-fdset.c
1 /* Test FD* macros.
2 Copyright (C) 1997-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Robert Bihlmeyer <robbe@orcus.priv.at>.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20 #include <stdio.h>
21 #include <sys/types.h>
22
23 static int
24 do_test (void)
25 {
26 int retval = 0;
27 int i;
28 fd_set set;
29
30 FD_ZERO (&set);
31 for (i=0; i < FD_SETSIZE; ++i)
32 {
33 printf ("%d => check:", i);
34 if (FD_ISSET (i, &set) == 0)
35 fputs ("ok", stdout);
36 else
37 {
38 fputs ("nok", stdout);
39 retval = 1;
40 }
41 fputs (", set", stdout);
42 FD_SET (i, &set);
43 fputs (", check:", stdout);
44 if (FD_ISSET (i, &set))
45 fputs ("ok", stdout);
46 else
47 {
48 fputs ("nok", stdout);
49 retval = 1;
50 }
51 fputs (", clear", stdout);
52 FD_CLR (i, &set);
53 fputs (", check:", stdout);
54 if (FD_ISSET (i, &set) == 0)
55 puts ("ok");
56 else
57 {
58 puts ("nok");
59 retval = 1;
60 }
61 }
62
63 return retval;
64 }
65
66 #define TEST_FUNCTION do_test ()
67 #include "../test-skeleton.c"