projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| eb04c213 | 1 | /* Diagnose invalid back-reference in the ERE '()|\1' (BZ #18986). |
| dff8da6b | 2 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
| eb04c213 AZ |
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 | |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| eb04c213 AZ |
18 | |
| 19 | #include <regex.h> | |
| 20 | ||
| 21 | #include <support/check.h> | |
| 22 | ||
| 23 | static int | |
| 24 | do_test (void) | |
| 25 | { | |
| 26 | char const pattern[] = "0|()0|\\1|0"; | |
| 27 | regex_t r; | |
| 28 | TEST_VERIFY_EXIT (regcomp (&r, pattern, REG_EXTENDED) == REG_ESUBREG); | |
| 29 | return 0; | |
| 30 | } | |
| 31 | ||
| 32 | #include <support/test-driver.c> |