| /* BZ #22679 getcwd(3) should not succeed without returning an absolute path. |
| |
| Copyright (C) 2018 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 <stdio.h> |
| #include <stdlib.h> |
| #include <support/check.h> |
| #include <support/namespace.h> |
| #include <support/support.h> |
| #include <support/temp_file.h> |
| #include <support/test-driver.h> |
| #include <support/xunistd.h> |
| #include <unistd.h> |
| |
| static char *chroot_dir; |
| |
| /* The actual test. Run it in a subprocess, so that the test harness |
| can remove the temporary directory in --direct mode. */ |
| static void |
| getcwd_callback (void *closure) |
| { |
| xchroot (chroot_dir); |
| |
| errno = 0; |
| char *cwd = getcwd (NULL, 0); |
| TEST_COMPARE (errno, ENOENT); |
| TEST_VERIFY (cwd == NULL); |
| |
| errno = 0; |
| cwd = realpath (".", NULL); |
| TEST_COMPARE (errno, ENOENT); |
| TEST_VERIFY (cwd == NULL); |
| |
| _exit (0); |
| } |
| |
| static int |
| do_test (void) |
| { |
| support_become_root (); |
| if (!support_can_chroot ()) |
| return EXIT_UNSUPPORTED; |
| |
| chroot_dir = support_create_temp_directory ("tst-getcwd-abspath-"); |
| support_isolate_in_subprocess (getcwd_callback, NULL); |
| |
| return 0; |
| } |
| |
| #include <support/test-driver.c> |