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74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* Test the support_readdir function.
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Copyright (C) 2024-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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<https://www.gnu.org/licenses/>. */
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#include <support/readdir.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xdirent.h>
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#include <support/xunistd.h>
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static int
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do_test (void)
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{
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DIR *reference_stream = xopendir (".");
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struct dirent64 *reference = xreaddir64 (reference_stream);
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for (enum support_readdir_op op = 0; op <= support_readdir_op_last (); ++op)
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{
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DIR *stream = xopendir (".");
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struct support_dirent e;
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memset (&e, 0xcc, sizeof (e));
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e.d_name = NULL;
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TEST_VERIFY (support_readdir (stream, op, &e));
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TEST_COMPARE (e.d_ino, reference->d_ino);
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#ifdef _DIRENT_HAVE_D_OFF
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TEST_VERIFY (support_readdir_offset_width (op) != 0);
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TEST_COMPARE (e.d_off, reference->d_off);
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#else
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TEST_COMPARE (support_readdir_offset_width (op), 0);
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TEST_COMPARE (e.d_off, 0);
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#endif
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TEST_COMPARE (e.d_type, reference->d_type);
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TEST_COMPARE_STRING (e.d_name, reference->d_name);
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free (e.d_name);
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xclosedir (stream);
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}
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xclosedir (reference_stream);
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/* Error injection test. */
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int devnull = xopen ("/dev/null", O_RDONLY, 0);
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for (enum support_readdir_op op = 0; op <= support_readdir_op_last (); ++op)
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{
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DIR *stream = xopendir (".");
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/* A descriptor incompatible with readdir. */
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xdup2 (devnull, dirfd (stream));
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errno = -1;
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support_readdir_expect_error (stream, op, ENOTDIR);
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xclosedir (stream);
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}
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xclose (devnull);
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return 0;
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}
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#include <support/test-driver.c>
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