IABSD.fr/src/sbin/disklabel/dkcksum.c

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• Author : krw
  Date : 2023-07-03 06:07:40
  Hash : bb12209f
  Message : The only thing worse than treating 'return' as a function call is randomly mixing 'return (blah)' and 'return blah' idioms. Nuke the '()'s. No intentional functional change.

• sbin/disklabel/dkcksum.c

• /*	$OpenBSD: dkcksum.c,v 1.10 2023/07/03 06:07:40 krw Exp $	*/
  /*	$NetBSD: dkcksum.c,v 1.6 1995/03/18 14:54:42 cgd Exp $	*/
  
  /*-
   * Copyright (c) 1991, 1993
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   */
  
  #include <sys/types.h>
  #include <sys/disklabel.h>
  #include <stdio.h>
  #include "extern.h"
  
  u_short
  dkcksum(const struct disklabel *lp)
  {
  	u_short *start, *end;
  	u_short sum = 0;
  
  	start = (u_short *)lp;
  	end = (u_short *)&lp->d_partitions[lp->d_npartitions];
  	while (start < end)
  		sum ^= *start++;
  	return sum;
  }