/* Test for realpath/canonicalize function. Copyright (C) 1998 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; int tfd; 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); tfd = mkstemp(name1); if (tfd < 0) { printf("%s: cannot generate temp file name\n", __FUNCTION__); exit(1); } close(tfd); add_temp_file (name1); tfd = mkstemp(name2); if (tfd < 0) { printf("%s: cannot generate temp file name\n", __FUNCTION__); exit(1); } close(tfd); add_temp_file (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; }