From 26606098c2eb57d288b2e0edca471c71d0d7fa51 Mon Sep 17 00:00:00 2001 From: Carmelo Amoroso Date: Thu, 16 Sep 2010 12:22:34 +0200 Subject: libc: Add canonicalize_file_name function Add canonicalize_file_name function and its related tests. Required by elfutils and coreutils (readlink). Signed-off-by: Salvatore Cro Signed-off-by: Carmelo Amoroso --- test/stdlib/test-canon2.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 test/stdlib/test-canon2.c (limited to 'test/stdlib') diff --git a/test/stdlib/test-canon2.c b/test/stdlib/test-canon2.c new file mode 100644 index 000000000..f182e95ad --- /dev/null +++ b/test/stdlib/test-canon2.c @@ -0,0 +1,75 @@ +/* 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 , 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 +#include + + +/* 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 + +/* 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; +} -- cgit v1.2.3