75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <byteswap.h>
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#include <stdio.h>
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extern unsigned long long int wash (unsigned long long int a);
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int
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main (void)
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{
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int result = 0;
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/* Test the functions with constant arguments. */
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if (bswap_16 (0x1234) != 0x3412)
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{
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puts ("bswap_16 (constant) flunked");
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result = 1;
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}
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if (bswap_32 (0x12345678) != 0x78563412)
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{
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puts ("bswap_32 (constant) flunked");
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result = 1;
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}
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if (bswap_64 (0x1234567890abcdefULL) != 0xefcdab9078563412ULL)
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{
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puts ("bswap_64 (constant) flunked");
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result = 1;
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}
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/* Test the functions with non-constant arguments. */
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if (bswap_16 (wash (0x1234)) != 0x3412)
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{
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puts ("bswap_16 (non-constant) flunked");
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result = 1;
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}
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if (bswap_32 (wash (0x12345678)) != 0x78563412)
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{
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puts ("bswap_32 (non-constant) flunked");
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result = 1;
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}
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if (bswap_64 (wash (0x1234567890abcdefULL)) != 0xefcdab9078563412ULL)
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{
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puts ("bswap_64 (non-constant) flunked");
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result = 1;
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}
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return result;
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}
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unsigned long long int
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wash (unsigned long long int a)
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{
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/* Do nothing. This function simply exists to avoid that the compiler
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regards the argument to the bswap_*() functions as constant. */
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return a + 0;
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}
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