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fb23d554 SDJ |
1 | /* Safe version of strerror for POSIX systems for GDB, the GNU debugger. |
2 | ||
42a4f53d | 3 | Copyright (C) 2006-2019 Free Software Foundation, Inc. |
fb23d554 SDJ |
4 | |
5 | This file is part of GDB. | |
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 "common-defs.h" | |
21 | ||
22 | /* Implementation of safe_strerror as defined in common-utils.h. */ | |
23 | ||
24 | char * | |
25 | safe_strerror (int errnum) | |
26 | { | |
27 | char *msg; | |
28 | ||
29 | msg = strerror (errnum); | |
30 | if (msg == NULL) | |
31 | { | |
32 | static char buf[32]; | |
33 | ||
34 | xsnprintf (buf, sizeof buf, "(undocumented errno %d)", errnum); | |
35 | msg = buf; | |
36 | } | |
37 | return (msg); | |
38 | } |