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 | |