1 /* Test of strerror() function.
2 Copyright (C) 2007-2011 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3, or (at your option)
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Eric Blake <ebb9@byu.net>, 2007. */
24 #include "signature.h"
25 SIGNATURE_CHECK (strerror, char *, (int));
37 str = strerror (EACCES);
43 str = strerror (ETIMEDOUT);
49 str = strerror (EOVERFLOW);
54 /* POSIX requires strerror (0) to succeed; use of "Unknown error" or
55 "error 0" does not count as success, but "No error" works.
56 http://austingroupbugs.net/view.php?id=382 */
62 ASSERT (strchr (str, '0') == NULL);
63 ASSERT (strstr (str, "nknown") == NULL);
65 /* POSIX requires strerror to produce a non-NULL result for all
66 inputs; as an extension, we also guarantee a non-empty reseult.
67 Reporting EINVAL is optional. */
72 ASSERT (errno == 0 || errno == EINVAL);