string: Add strerror, strerror_r, and strerror_l test

Checked on x86-64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu,
and s390x-linux-gnu.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/support/xuselocale.c b/support/xuselocale.c
new file mode 100644
index 0000000000..3d6125b57d
--- /dev/null
+++ b/support/xuselocale.c
@@ -0,0 +1,30 @@
+/* uselocale with error checking.
+   Copyright (C) 2020 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <support/check.h>
+
+#include <locale.h>
+
+locale_t
+xuselocale (locale_t newloc)
+{
+  locale_t r = uselocale (newloc);
+  if (r == (locale_t) 0)
+    FAIL_EXIT1 ("error: uselocale (%p)\n", newloc);
+  return r;
+}