mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>.
|
|
|
|
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 <byteswap.h>
|
|
#include <stdio.h>
|
|
|
|
extern unsigned long long int wash (unsigned long long int a);
|
|
|
|
int
|
|
do_test (void)
|
|
{
|
|
int result = 0;
|
|
|
|
/* Test the functions with constant arguments. */
|
|
if (bswap_16 (0x1234) != 0x3412)
|
|
{
|
|
puts ("bswap_16 (constant) flunked");
|
|
result = 1;
|
|
}
|
|
if (bswap_32 (0x12345678) != 0x78563412)
|
|
{
|
|
puts ("bswap_32 (constant) flunked");
|
|
result = 1;
|
|
}
|
|
if (bswap_64 (0x1234567890abcdefULL) != 0xefcdab9078563412ULL)
|
|
{
|
|
puts ("bswap_64 (constant) flunked");
|
|
result = 1;
|
|
}
|
|
|
|
/* Test the functions with non-constant arguments. */
|
|
if (bswap_16 (wash (0x1234)) != 0x3412)
|
|
{
|
|
puts ("bswap_16 (non-constant) flunked");
|
|
result = 1;
|
|
}
|
|
if (bswap_32 (wash (0x12345678)) != 0x78563412)
|
|
{
|
|
puts ("bswap_32 (non-constant) flunked");
|
|
result = 1;
|
|
}
|
|
if (bswap_64 (wash (0x1234567890abcdefULL)) != 0xefcdab9078563412ULL)
|
|
{
|
|
puts ("bswap_64 (non-constant) flunked");
|
|
result = 1;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
unsigned long long int
|
|
wash (unsigned long long int a)
|
|
{
|
|
/* Do nothing. This function simply exists to avoid that the compiler
|
|
regards the argument to the bswap_*() functions as constant. */
|
|
return a + 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|