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| 1 | /* File identity for the dynamic linker. Stub version. |
|---|---|
| 2 | Copyright (C) 2015-2022 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 <stdbool.h> |
| 20 | |
| 21 | /* This type stores whatever information is fetched by _dl_get_file_id |
| 22 | and compared by _dl_file_id_match_p. */ |
| 23 | struct r_file_id |
| 24 | { |
| 25 | /* In the stub version, we don't record anything at all. */ |
| 26 | }; |
| 27 | |
| 28 | /* Sample FD to fill in *ID. Returns true on success. |
| 29 | On error, returns false, with errno set. */ |
| 30 | static inline bool |
| 31 | _dl_get_file_id (int fd __attribute__ ((unused)), |
| 32 | struct r_file_id *id __attribute__ ((unused))) |
| 33 | { |
| 34 | return true; |
| 35 | } |
| 36 | |
| 37 | /* Compare two results from _dl_get_file_id for equality. |
| 38 | It's crucial that this never return false-positive matches. |
| 39 | It's ideal that it never return false-negative mismatches either, |
| 40 | but lack of matches is survivable. */ |
| 41 | static inline bool |
| 42 | _dl_file_id_match_p (const struct r_file_id *a __attribute__ ((unused)), |
| 43 | const struct r_file_id *b __attribute__ ((unused))) |
| 44 | { |
| 45 | return false; |
| 46 | } |
| 47 |
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