1 | /* Test FD* macros. |
2 | Copyright (C) 1997-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library 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 GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <stdio.h> |
20 | #include <sys/types.h> |
21 | |
22 | static int |
23 | do_test (void) |
24 | { |
25 | int retval = 0; |
26 | int i; |
27 | fd_set set; |
28 | |
29 | FD_ZERO (&set); |
30 | for (i=0; i < FD_SETSIZE; ++i) |
31 | { |
32 | printf (format: "%d => check:" , i); |
33 | if (FD_ISSET (i, &set) == 0) |
34 | fputs ("ok" , stdout); |
35 | else |
36 | { |
37 | fputs ("nok" , stdout); |
38 | retval = 1; |
39 | } |
40 | fputs (", set" , stdout); |
41 | FD_SET (i, &set); |
42 | fputs (", check:" , stdout); |
43 | if (FD_ISSET (i, &set)) |
44 | fputs ("ok" , stdout); |
45 | else |
46 | { |
47 | fputs ("nok" , stdout); |
48 | retval = 1; |
49 | } |
50 | fputs (", clear" , stdout); |
51 | FD_CLR (i, &set); |
52 | fputs (", check:" , stdout); |
53 | if (FD_ISSET (i, &set) == 0) |
54 | puts (s: "ok" ); |
55 | else |
56 | { |
57 | puts (s: "nok" ); |
58 | retval = 1; |
59 | } |
60 | } |
61 | |
62 | return retval; |
63 | } |
64 | |
65 | #define TEST_FUNCTION do_test () |
66 | #include "../test-skeleton.c" |
67 | |