]>
Commit | Line | Data |
---|---|---|
19e559f1 WP |
1 | /* sframe-error.c - Error messages. |
2 | ||
fd67aa11 | 3 | Copyright (C) 2022-2024 Free Software Foundation, Inc. |
19e559f1 WP |
4 | |
5 | This file is part of libsframe. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "sframe-api.h" | |
21 | #include <stddef.h> | |
22 | #include <string.h> | |
23 | ||
24 | /* In this file, we want to treat the first item of the SFrame error | |
25 | macro like subsequent items. */ | |
26 | #define _SFRAME_FIRST(NAME, VALUE) _SFRAME_ITEM(NAME, VALUE) | |
27 | ||
28 | /* The error message strings, each in a unique structure member precisely big | |
29 | enough for that error, plus a str member to access them all as a string | |
30 | table. */ | |
31 | ||
32 | static const char *const _sframe_errlist[] = { | |
33 | #define _SFRAME_ITEM(n, s) s, | |
34 | _SFRAME_ERRORS | |
35 | #undef _SFRAME_ITEM | |
36 | }; | |
37 | ||
38 | const char * | |
39 | sframe_errmsg (int error) | |
40 | { | |
41 | const char *str; | |
42 | ||
43 | if (error >= SFRAME_ERR_BASE && (error - SFRAME_ERR_BASE) < SFRAME_ERR_NERR) | |
44 | str = _sframe_errlist[error - SFRAME_ERR_BASE]; | |
45 | else | |
46 | str = (const char *) strerror (error); | |
47 | ||
48 | return (str ? str : "Unknown error"); | |
49 | } |