===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/su/su.c,v
retrieving revision 1.79
retrieving revision 1.80
diff -c -r1.79 -r1.80
*** src/usr.bin/su/su.c	2019/12/07 19:23:21	1.79
--- src/usr.bin/su/su.c	2020/07/08 10:35:06	1.80
***************
*** 1,4 ****
! /*	$OpenBSD: su.c,v 1.79 2019/12/07 19:23:21 millert Exp $	*/
  
  /*
   * Copyright (c) 1988 The Regents of the University of California.
--- 1,4 ----
! /*	$OpenBSD: su.c,v 1.80 2020/07/08 10:35:06 jca Exp $	*/
  
  /*
   * Copyright (c) 1988 The Regents of the University of California.
***************
*** 319,327 ****
  	}
  
  	if (asthem) {
! 		avshellbuf[0] = '-';
! 		strlcpy(avshellbuf+1, avshell, sizeof(avshellbuf) - 1);
! 		avshell = avshellbuf;
  	} else if (iscsh == YES) {
  		/* csh strips the first character... */
  		avshellbuf[0] = '_';
--- 319,329 ----
  	}
  
  	if (asthem) {
! 		if (iscsh == YES || !fastlogin) {
! 			avshellbuf[0] = '-';
! 			strlcpy(avshellbuf+1, avshell, sizeof(avshellbuf) - 1);
! 			avshell = avshellbuf;
! 		}
  	} else if (iscsh == YES) {
  		/* csh strips the first character... */
  		avshellbuf[0] = '_';