47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* Test of dirfd() function.
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Copyright (C) 2023-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2023. */
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#include <config.h>
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#include <dirent.h>
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#include <stdio.h>
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#include "macros.h"
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int
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main ()
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{
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#if defined _WIN32 && !defined __CYGWIN__
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fprintf (stderr, "Skipping test: The DIR type does not contain a file descriptor.\n");
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return 77;
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#else
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/* On all other platforms, we expect to have either
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- a dirfd() function, or
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- a dirfd macro, or
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- a DIR struct with a d_fd member, or
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- a DIR struct with a dd_fd member.
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If we don't have this, dirfd.c produces a function that always returns -1.
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Check here that this does not happen. */
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DIR *d = opendir (".");
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int fd = dirfd (d);
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ASSERT (fd >= 0);
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return test_exit_status;
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#endif
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}
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