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75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* Test for realpath/canonicalize function.
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Copyright (C) 1998-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <string.h>
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/* Prototype for our test function. */
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extern void do_prepare (int argc, char *argv[]);
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extern int do_test (int argc, char *argv[]);
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/* We have a preparation function. */
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#define PREPARE do_prepare
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#include <test-skeleton.c>
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/* Name of the temporary files we create. */
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char *name1;
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char *name2;
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/* Preparation. */
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void
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do_prepare (int argc, char *argv[])
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{
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size_t test_dir_len;
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test_dir_len = strlen (test_dir);
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/* Generate the circular symlinks. */
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name1 = malloc (test_dir_len + sizeof ("/canonXXXXXX"));
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mempcpy (mempcpy (name1, test_dir, test_dir_len),
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"/canonXXXXXX", sizeof ("/canonXXXXXX"));
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name2 = strdup (name1);
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add_temp_file (mktemp (name1));
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add_temp_file (mktemp (name2));
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}
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/* Run the test. */
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int
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do_test (int argc, char *argv[])
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{
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char *canon;
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printf ("create symlinks from %s to %s and vice versa\n", name1, name2);
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if (symlink (name1, name2) == -1
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|| symlink (name2, name1) == -1)
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/* We cannot test this. */
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return 0;
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/* Call the function. This is equivalent the using `realpath' but the
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function allocates the room for the result. */
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errno = 0;
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canon = canonicalize_file_name (name1);
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return canon != NULL || errno != ELOOP;
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}
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