/* Check if fdopendir fails with file descriptor opened with O_PATH (BZ 30737) Copyright (C) 2023-2025 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <errno.h> #include <fcntl.h> #include <dirent.h> #include <support/check.h> #include <support/temp_file.h> #include <support/xunistd.h> static int do_test (void) { char *dirname = support_create_temp_directory ("tst-fdopendir-o_path"); { int fd = xopen (dirname, O_RDONLY | O_DIRECTORY, 0600); DIR *dir = fdopendir (fd); TEST_VERIFY_EXIT (dir != NULL); closedir (dir); } { int fd = xopen (dirname, O_RDONLY | O_PATH | O_DIRECTORY, 0600); TEST_VERIFY (fdopendir (fd) == NULL); TEST_COMPARE (errno, EBADF); xclose (fd); } return 0; } #include <support/test-driver.c>