]>
Commit | Line | Data |
---|---|---|
2b778ceb | 1 | /* Copyright (C) 1997-2021 Free Software Foundation, Inc. |
1fb05e3d UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
1fb05e3d UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
1fb05e3d | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
1fb05e3d | 18 | |
a334319f | 19 | #include <libintl.h> |
2094e1a9 UD |
20 | #include <netdb.h> |
21 | #include <stdint.h> | |
22 | #include <stdio.h> | |
23 | ||
0ecb606c | 24 | |
2094e1a9 UD |
25 | #define MSGSTRFIELD(line) MSGSTRFIELD1 (line) |
26 | #define MSGSTRFIELD1(line) str##line | |
27 | static const union msgstr_t | |
28 | { | |
29 | struct | |
1fb05e3d | 30 | { |
2094e1a9 UD |
31 | #define _S(n, s) char MSGSTRFIELD(__LINE__)[sizeof (s)]; |
32 | #include "gai_strerror-strs.h" | |
33 | #undef _S | |
34 | }; | |
35 | char str[0]; | |
36 | } msgstr = | |
1fb05e3d | 37 | { |
2094e1a9 UD |
38 | { |
39 | #define _S(n, s) s, | |
40 | #include "gai_strerror-strs.h" | |
41 | #undef _S | |
42 | } | |
1fb05e3d | 43 | }; |
2094e1a9 UD |
44 | static const struct |
45 | { | |
46 | int16_t code; | |
47 | uint16_t idx; | |
48 | } msgidx[] = | |
49 | { | |
50 | #define _S(n, s) { n, offsetof (union msgstr_t, MSGSTRFIELD (__LINE__)) }, | |
51 | #include "gai_strerror-strs.h" | |
52 | #undef _S | |
53 | }; | |
54 | ||
1fb05e3d | 55 | |
754f6576 | 56 | const char * |
1fb05e3d UD |
57 | gai_strerror (int code) |
58 | { | |
2094e1a9 UD |
59 | const char *result = "Unknown error"; |
60 | for (size_t i = 0; i < sizeof (msgidx) / sizeof (msgidx[0]); ++i) | |
61 | if (msgidx[i].code == code) | |
62 | { | |
63 | result = msgstr.str + msgidx[i].idx; | |
64 | break; | |
65 | } | |
1fb05e3d | 66 | |
2094e1a9 | 67 | return _(result); |
1fb05e3d | 68 | } |
7a8bdff0 | 69 | libc_hidden_def (gai_strerror) |