| 1 | /* Implementation of __nss_parse_line_result. |
| 2 | Copyright (C) 2020-2021 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 <nss_files.h> |
| 20 | |
| 21 | #include <assert.h> |
| 22 | #include <errno.h> |
| 23 | |
| 24 | int |
| 25 | __nss_parse_line_result (FILE *fp, off64_t offset, int parse_line_result) |
| 26 | { |
| 27 | assert (parse_line_result >= -1 && parse_line_result <= 1); |
| 28 | |
| 29 | switch (__builtin_expect (parse_line_result, 1)) |
| 30 | { |
| 31 | case 1: |
| 32 | /* Sucess. */ |
| 33 | return 0; |
| 34 | case 0: |
| 35 | /* Parse error. */ |
| 36 | __set_errno (EINVAL); |
| 37 | return EINVAL; |
| 38 | case -1: |
| 39 | /* Out of buffer space. */ |
| 40 | return __nss_readline_seek (fp, offset); |
| 41 | |
| 42 | default: |
| 43 | __builtin_unreachable (); |
| 44 | } |
| 45 | } |
| 46 | libc_hidden_def (__nss_parse_line_result) |
| 47 | |