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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Regression test for bug 11319.
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Copyright (C) 2018-2019 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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<http://www.gnu.org/licenses/>. */
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#define _GNU_SOURCE 1
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <support/check.h>
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#include <support/temp_file.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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char *tempfile;
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int fd;
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/* Create a temporary file and open it in read-only mode. */
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TEST_VERIFY_EXIT (create_temp_file ("tst-bz11319", &tempfile));
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fd = xopen (tempfile, O_RDONLY, 0660);
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/* Try and write to the temporary file to intentionally fail, then
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check that dprintf (or __dprintf_chk) return EOF. */
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TEST_COMPARE (dprintf (fd, "%d", 0), EOF);
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xclose (fd);
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free (tempfile);
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return 0;
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}
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#include <support/test-driver.c>
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