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f7a9f785 1/* Copyright (C) 2000-2016 Free Software Foundation, Inc.
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2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@cygnus.com>.
4
5 The GNU C Library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
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9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
41bdb6e2 13 Lesser General Public License for more details.
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41bdb6e2 15 You should have received a copy of the GNU Lesser General Public
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16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
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18
19#include <byteswap.h>
20#include <stdio.h>
21
22extern unsigned long long int wash (unsigned long long int a);
23
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24static int
25do_test (void)
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26{
27 int result = 0;
28
29 /* Test the functions with constant arguments. */
30 if (bswap_16 (0x1234) != 0x3412)
31 {
32 puts ("bswap_16 (constant) flunked");
33 result = 1;
34 }
35 if (bswap_32 (0x12345678) != 0x78563412)
36 {
37 puts ("bswap_32 (constant) flunked");
38 result = 1;
39 }
40 if (bswap_64 (0x1234567890abcdefULL) != 0xefcdab9078563412ULL)
41 {
42 puts ("bswap_64 (constant) flunked");
43 result = 1;
44 }
45
46 /* Test the functions with non-constant arguments. */
47 if (bswap_16 (wash (0x1234)) != 0x3412)
48 {
49 puts ("bswap_16 (non-constant) flunked");
50 result = 1;
51 }
52 if (bswap_32 (wash (0x12345678)) != 0x78563412)
53 {
54 puts ("bswap_32 (non-constant) flunked");
55 result = 1;
56 }
57 if (bswap_64 (wash (0x1234567890abcdefULL)) != 0xefcdab9078563412ULL)
58 {
59 puts ("bswap_64 (non-constant) flunked");
60 result = 1;
61 }
62
63 return result;
64}
65
66
67unsigned long long int
68wash (unsigned long long int a)
69{
70 /* Do nothing. This function simply exists to avoid that the compiler
71 regards the argument to the bswap_*() functions as constant. */
72 return a + 0;
73}
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74
75#define TEST_FUNCTION do_test ()
76#include "../test-skeleton.c"