minivmac4ios/libhfs/memcmp.c
2016-05-21 15:01:57 +02:00

51 lines
1.2 KiB
C

/*
* libhfs - library for reading and writing Macintosh HFS volumes
* Copyright (C) 1996-1998 Robert Leslie
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id: memcmp.c,v 1.6 1998/04/11 16:22:48 rob Exp $
*/
# ifdef HAVE_CONFIG_H
# include "config.h"
# endif
# include <sys/types.h>
/*
* NAME: memcmp()
* DESCRIPTION: compare memory areas
*/
int memcmp(const void *s1, const void *s2, size_t n)
{
register const unsigned char *c1, *c2;
c1 = s1;
c2 = s2;
while (n--)
{
register int diff;
diff = *c1++ - *c2++;
if (diff)
return diff;
}
return 0;
}