1 | /* Test for the behaviour of 'is_long_double' in printf_size. |
2 | Copyright (C) 2018-2022 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 <printf.h> |
20 | #include <stdio.h> |
21 | #include <string.h> |
22 | |
23 | #include <support/check.h> |
24 | |
25 | static int |
26 | do_test (void) |
27 | { |
28 | double d = 2000; |
29 | double *dptr = &d; |
30 | long double ld = 4000; |
31 | long double *ldptr = & ld; |
32 | struct printf_info info; |
33 | |
34 | memset (&info, 0, sizeof (info)); |
35 | info.spec = L'f'; |
36 | |
37 | /* Print a value with double type. */ |
38 | printf_size (stdout, info: &info, args: (void *) &dptr); |
39 | |
40 | /* Printf a value with long double type. */ |
41 | info.is_long_double = 1; |
42 | printf_size (stdout, info: &info, args: (void *) &ldptr); |
43 | |
44 | /* Setting both 'is_long_double' and 'is_binary128' to one is out of |
45 | the scope of this test, because such configuration is only valid |
46 | when _Float128 and long double are ABI-distinct (which is not |
47 | always true in this arch-independent test). */ |
48 | return 0; |
49 | } |
50 | |
51 | #include <support/test-driver.c> |
52 | |