Adding upstream version 9.4.upstream/9.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/gnulib-tests/test-getdtablesize.c b/gnulib-tests/test-getdtablesize.c
new file mode 100644
index 0000000..d2c93f1
--- /dev/null
+++ b/gnulib-tests/test-getdtablesize.c
@@ -0,0 +1,41 @@
+/* Test of getdtablesize() function.
+   Copyright (C) 2008-2023 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2008.  */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (getdtablesize, int, (void));
+
+#include "macros.h"
+
+/* Tell GCC not to warn about the specific edge cases tested here.  */
+#if __GNUC__ >= 13
+# pragma GCC diagnostic ignored "-Wanalyzer-fd-leak"
+#endif
+
+int
+main (int argc, char *argv[])
+{
+  ASSERT (getdtablesize () >= 3);
+  ASSERT (dup2 (0, getdtablesize() - 1) == getdtablesize () - 1);
+  ASSERT (dup2 (0, getdtablesize()) == -1);
+
+  return 0;
+}