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- /* 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #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;
- }
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