Mercurial > gnulib
view tests/test-strerror.c @ 36940:c741bc27922a
maint: update all copyright year number ranges
Run "make update-copyright". Compare to commit 1602f0a from last year.
Signed-off-by: Eric Blake <eblake@redhat.com>
author | Eric Blake <eblake@redhat.com> |
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date | Tue, 01 Jan 2013 00:50:58 +0000 |
parents | 81b1562e3d8b |
children | 344018b6e5d7 |
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/* Test of strerror() function. Copyright (C) 2007-2013 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, see <http://www.gnu.org/licenses/>. */ /* Written by Eric Blake <ebb9@byu.net>, 2007. */ #include <config.h> #include <string.h> #include "signature.h" SIGNATURE_CHECK (strerror, char *, (int)); #include <errno.h> #include "macros.h" int main (void) { char *str; errno = 0; str = strerror (EACCES); ASSERT (str); ASSERT (*str); ASSERT (errno == 0); errno = 0; str = strerror (ETIMEDOUT); ASSERT (str); ASSERT (*str); ASSERT (errno == 0); errno = 0; str = strerror (EOVERFLOW); ASSERT (str); ASSERT (*str); ASSERT (errno == 0); /* POSIX requires strerror (0) to succeed. Reject use of "Unknown error", but allow "Success", "No error", or even Solaris' "Error 0" which are distinct patterns from true out-of-range strings. http://austingroupbugs.net/view.php?id=382 */ errno = 0; str = strerror (0); ASSERT (str); ASSERT (*str); ASSERT (errno == 0); ASSERT (strstr (str, "nknown") == NULL); ASSERT (strstr (str, "ndefined") == NULL); /* POSIX requires strerror to produce a non-NULL result for all inputs; as an extension, we also guarantee a non-empty result. Reporting EINVAL is optional. */ errno = 0; str = strerror (-3); ASSERT (str); ASSERT (*str); ASSERT (errno == 0 || errno == EINVAL); return 0; }