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/*
* Simple tool to check if unaligned accesses to memory work
* as expected
*
* Copyleft 2009 Sascha Hauer, <s.hauer@pengutronix.de>
*
*
* DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
* Version 2, December 2004
*
* Copyright (C) 2004 Sam Hocevar
* 14 rue de Plaisance, 75014 Paris, France
* Everyone is permitted to copy and distribute verbatim or modified
* copies of this license document, and changing it is allowed as long
* as the name is changed.
*
* DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
* TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
*
* 0. You just DO WHAT THE FUCK YOU WANT TO.
*/
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
char space[sizeof(unsigned int)];
char *s = space;
unsigned int *unaligned;
int aligned1 = 0xdeadbeef, aligned2;
unaligned = (unsigned int *)(s + 1);
*unaligned = aligned1;
aligned2 = *unaligned;
if (aligned1 != aligned2) {
fprintf(stderr, "unaligned access failed (0x%08x != 0x%08x)\n",
aligned1, aligned2);
exit(1);
}
exit(0);
}
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