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-rw-r--r--stdio-common/tst-bz11319.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/stdio-common/tst-bz11319.c b/stdio-common/tst-bz11319.c
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+++ b/stdio-common/tst-bz11319.c
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+/* Regression test for bug 11319.
+   Copyright (C) 2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define _GNU_SOURCE 1
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <support/check.h>
+#include <support/temp_file.h>
+#include <support/xunistd.h>
+
+static int
+do_test (void)
+{
+  char *tempfile;
+  int fd;
+
+  /* Create a temporary file and open it in read-only mode.  */
+  TEST_VERIFY_EXIT (create_temp_file ("tst-bz11319", &tempfile));
+  fd = xopen (tempfile, O_RDONLY, 0660);
+
+  /* Try and write to the temporary file to intentionally fail, then
+     check that dprintf (or __dprintf_chk) return EOF.  */
+  TEST_COMPARE (dprintf (fd, "%d", 0), EOF);
+
+  xclose (fd);
+  free (tempfile);
+
+  return 0;
+}
+
+#include <support/test-driver.c>