mcst-linux-kernel/glibc-2.35/string/test-endian-types.c

50 lines
1.5 KiB
C

/* Test endian.h endian-conversion macros always return the correct type.
Copyright (C) 2017-2022 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 <endian.h>
#include <stdint.h>
int i;
uint16_t u16;
uint32_t u32;
uint64_t u64;
int
do_test (void)
{
/* This is a compilation test. */
extern __typeof (htobe16 (i)) u16;
extern __typeof (htole16 (i)) u16;
extern __typeof (be16toh (i)) u16;
extern __typeof (le16toh (i)) u16;
extern __typeof (htobe32 (i)) u32;
extern __typeof (htole32 (i)) u32;
extern __typeof (be32toh (i)) u32;
extern __typeof (le32toh (i)) u32;
extern __typeof (htobe64 (i)) u64;
extern __typeof (htole64 (i)) u64;
extern __typeof (be64toh (i)) u64;
extern __typeof (le64toh (i)) u64;
(void) u16;
(void) u32;
(void) u64;
return 0;
}
#include <support/test-driver.c>