1 files changed, 48 insertions, 0 deletions
diff --git a/string/test-endian-sign-conversion.c b/string/test-endian-sign-conversion.c
new file mode 100644
index 0000000..cc6b516
--- /dev/null
+++ b/string/test-endian-sign-conversion.c
@@ -0,0 +1,48 @@
+/* Test endian.h endian-conversion macros work with -Wsign-conversion.
+   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/>.  */
+
+#include <endian.h>
+#include <stdint.h>
+
+uint16_t u16;
+uint32_t u32;
+uint64_t u64;
+
+static int
+do_test (void)
+{
+  /* This is a compilation test.  */
+  u16 = (htobe16 (u16));
+  u16 = (htole16 (u16));
+  u16 = (be16toh (u16));
+  u16 = (le16toh (u16));
+  u32 = (htobe32 (u32));
+  u32 = (htole32 (u32));
+  u32 = (be32toh (u32));
+  u32 = (le32toh (u32));
+  u64 = (htobe64 (u64));
+  u64 = (htole64 (u64));
+  u64 = (be64toh (u64));
+  u64 = (le64toh (u64));
+  (void) u16;
+  (void) u32;
+  (void) u64;
+  return 0;
+}
+
+#include <support/test-driver.c>