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-rw-r--r--gl/lib/xstdopen.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/gl/lib/xstdopen.c b/gl/lib/xstdopen.c
new file mode 100644
index 0000000..844512a
--- /dev/null
+++ b/gl/lib/xstdopen.c
@@ -0,0 +1,35 @@
+/* Ensure that stdin, stdout, stderr are open.
+ Copyright (C) 2019-2022 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/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "xstdopen.h"
+
+#include "stdopen.h"
+#include "error.h"
+#include "exitfail.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+void
+xstdopen (void)
+{
+ int stdopen_errno = stdopen ();
+ if (stdopen_errno != 0)
+ error (exit_failure, stdopen_errno, _("standard file descriptors"));
+}