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1 | /* Test for the behaviour of 'is_long_double' in printf_size. |
2 | Copyright (C) 2018 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 | <http://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, (void *) &dptr); | |
39 | ||
40 | /* Printf a value with long double type. */ | |
41 | info.is_long_double = 1; | |
42 | printf_size (stdout, &info, (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> |