| /* Test for realpath/canonicalize function. |
| Copyright (C) 1998-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
| |
| 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <string.h> |
| |
| |
| /* Prototype for our test function. */ |
| extern void do_prepare (int argc, char *argv[]); |
| extern int do_test (int argc, char *argv[]); |
| |
| /* We have a preparation function. */ |
| #define PREPARE do_prepare |
| |
| #include <test-skeleton.c> |
| |
| /* Name of the temporary files we create. */ |
| char *name1; |
| char *name2; |
| |
| /* Preparation. */ |
| void |
| do_prepare (int argc, char *argv[]) |
| { |
| size_t test_dir_len; |
| |
| test_dir_len = strlen (test_dir); |
| |
| /* Generate the circular symlinks. */ |
| name1 = malloc (test_dir_len + sizeof ("/canonXXXXXX")); |
| mempcpy (mempcpy (name1, test_dir, test_dir_len), |
| "/canonXXXXXX", sizeof ("/canonXXXXXX")); |
| name2 = strdup (name1); |
| |
| add_temp_file (mktemp (name1)); |
| add_temp_file (mktemp (name2)); |
| } |
| |
| |
| /* Run the test. */ |
| int |
| do_test (int argc, char *argv[]) |
| { |
| char *canon; |
| |
| printf ("create symlinks from %s to %s and vice versa\n", name1, name2); |
| if (symlink (name1, name2) == -1 |
| || symlink (name2, name1) == -1) |
| /* We cannot test this. */ |
| return 0; |
| |
| /* Call the function. This is equivalent the using `realpath' but the |
| function allocates the room for the result. */ |
| errno = 0; |
| canon = canonicalize_file_name (name1); |
| |
| return canon != NULL || errno != ELOOP; |
| } |