===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/vmstat/vmstat.c,v
retrieving revision 1.72
retrieving revision 1.73
diff -c -r1.72 -r1.73
*** src/usr.bin/vmstat/vmstat.c	2002/09/17 19:37:40	1.72
--- src/usr.bin/vmstat/vmstat.c	2002/12/16 01:57:04	1.73
***************
*** 1,5 ****
  /*	$NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $	*/
! /*	$OpenBSD: vmstat.c,v 1.72 2002/09/17 19:37:40 deraadt Exp $	*/
  
  /*
   * Copyright (c) 1980, 1986, 1991, 1993
--- 1,5 ----
  /*	$NetBSD: vmstat.c,v 1.29.4.1 1996/06/05 00:21:05 cgd Exp $	*/
! /*	$OpenBSD: vmstat.c,v 1.73 2002/12/16 01:57:04 tdeval Exp $	*/
  
  /*
   * Copyright (c) 1980, 1986, 1991, 1993
***************
*** 117,123 ****
  };
  
  /* Objects defined in dkstats.c */
! extern struct _disk	cur;
  extern char	**dr_name;
  extern int	*dk_select, dk_ndrive;
  
--- 117,123 ----
  };
  
  /* Objects defined in dkstats.c */
! extern struct _disk	cur, last;
  extern char	**dr_name;
  extern int	*dk_select, dk_ndrive;
  
***************
*** 386,395 ****
  	hz = clkinfo.stathz;
  
  	for (hdrcnt = 1;;) {
- 		if (!--hdrcnt)
- 			printhdr();
  		/* Read new disk statistics */
  		dkreadstats();
  		if (nlistf == NULL && memf == NULL) {
  			size = sizeof(struct uvmexp);
  			mib[0] = CTL_VM;
--- 386,395 ----
  	hz = clkinfo.stathz;
  
  	for (hdrcnt = 1;;) {
  		/* Read new disk statistics */
  		dkreadstats();
+ 		if (!--hdrcnt || last.dk_ndrive != cur.dk_ndrive)
+ 			printhdr();
  		if (nlistf == NULL && memf == NULL) {
  			size = sizeof(struct uvmexp);
  			mib[0] = CTL_VM;