1 | /* Test for the long double variants of strfroml and strtold. |
2 | Copyright (C) 2019-2024 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 <stdlib.h> |
20 | |
21 | #include <support/check.h> |
22 | |
23 | static int |
24 | do_test (void) |
25 | { |
26 | int written; |
27 | char buffer[64]; |
28 | char *bufptr = buffer; |
29 | const char *expected = "-1.0000000000" ; |
30 | long double read; |
31 | |
32 | /* Write to the buffer. */ |
33 | written = strfroml (dest: bufptr, size: 64, format: "%.10f" , f: (long double) -1); |
34 | if (written < 0) |
35 | support_record_failure (); |
36 | |
37 | /* Compare against the expected output. */ |
38 | TEST_COMPARE_STRING (expected, buffer); |
39 | |
40 | /* Read from the buffer. */ |
41 | read = strtold (nptr: expected, NULL); |
42 | |
43 | if (read != -1.0L) |
44 | support_record_failure (); |
45 | |
46 | return 0; |
47 | } |
48 | |
49 | #include <support/test-driver.c> |
50 | |