| 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 | |