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* string/Makefile (tests): Add tst-bswap.
	* string/tst-bswap.c: New file.
This commit is contained in:
Ulrich Drepper 2000-12-27 04:41:52 +00:00
parent 945c975dff
commit fc1fb585c6
3 changed files with 78 additions and 1 deletions
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3
ChangeLog
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@ -3,6 +3,9 @@
* sysdeps/generic/bits/byteswap.h (__bswap_64): Make it usable for
64bit platforms. Reported by Dave Gilbert <gilbertd@treblig.org>.
* string/Makefile (tests): Add tst-bswap.
* string/tst-bswap.c: New file.
2000-12-11 Bruno Haible <haible@clisp.cons.org>
* Makefile ($(inst_includedir)/gnu/stubs.h): Sort in the C locale.

2
string/Makefile
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@ -47,7 +47,7 @@ o-objects.ob := memcpy.o memset.o memchr.o
tests := tester inl-tester noinl-tester testcopy test-ffs \
tst-strlen stratcliff tst-svc tst-inlcall \
bug-strncat1 bug-strspn1 bug-strpbrk1
bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap
distribute := memcopy.h pagecopy.h tst-svc.expect

74
string/tst-bswap.c Normal file
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@ -0,0 +1,74 @@
/* Copyright (C) 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <byteswap.h>
#include <stdio.h>
extern unsigned long long int wash (unsigned long long int a);
int
main (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;
}