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25c084e0 ST |
1 | /* Copyright (C) 1996-2020 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
16 | <https://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <features.h> | |
19 | #include <netdb.h> | |
20 | #undef h_errno | |
21 | ||
22 | #include <tls.h> | |
23 | ||
24 | /* We need to have the error status variable of the resolver | |
25 | accessible in the libc. */ | |
26 | extern __thread int __h_errno; | |
27 | ||
28 | ||
29 | /* When threaded, h_errno may be a per-thread variable. */ | |
30 | int * | |
31 | __h_errno_location (void) | |
32 | { | |
33 | return &__h_errno; | |
34 | } |