Mercurial > gnulib
view tests/test-fchmodat.c @ 40211:5f58d2ac35ea
unistr/u8-cmp: Fix undefined behaviour.
Reported by Jeffrey Walton <noloader@gmail.com>.
* lib/unistr/u8-cmp.c (u8_cmp): Don't invoke memcmp if n is zero.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 08 Mar 2019 20:38:22 +0100 |
parents | b06060465f09 |
children |
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/* Test changing the protections of a file relative to an open directory. Copyright (C) 2011-2019 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 of the License, 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 <https://www.gnu.org/licenses/>. */ #include <config.h> #include <sys/stat.h> #include "signature.h" SIGNATURE_CHECK (fchmodat, int, (int, const char *, mode_t, int)); #include <errno.h> #include <unistd.h> #include "macros.h" int main (void) { /* Test behaviour for invalid file descriptors. */ { errno = 0; ASSERT (fchmodat (-1, "foo", 0600, 0) == -1); ASSERT (errno == EBADF); } { close (99); errno = 0; ASSERT (fchmodat (99, "foo", 0600, 0) == -1); ASSERT (errno == EBADF); } return 0; }