===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/sed/process.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -c -r1.7 -r1.8
*** src/usr.bin/sed/process.c	2002/02/16 21:27:52	1.7
--- src/usr.bin/sed/process.c	2002/04/15 21:47:45	1.8
***************
*** 1,4 ****
! /*	$OpenBSD: process.c,v 1.7 2002/02/16 21:27:52 millert Exp $	*/
  
  /*-
   * Copyright (c) 1992 Diomidis Spinellis.
--- 1,4 ----
! /*	$OpenBSD: process.c,v 1.8 2002/04/15 21:47:45 millert Exp $	*/
  
  /*-
   * Copyright (c) 1992 Diomidis Spinellis.
***************
*** 39,45 ****
  
  #ifndef lint
  /* from: static char sccsid[] = "@(#)process.c	8.1 (Berkeley) 6/6/93"; */
! static char *rcsid = "$OpenBSD: process.c,v 1.7 2002/02/16 21:27:52 millert Exp $";
  #endif /* not lint */
  
  #include <sys/types.h>
--- 39,45 ----
  
  #ifndef lint
  /* from: static char sccsid[] = "@(#)process.c	8.1 (Berkeley) 6/6/93"; */
! static char *rcsid = "$OpenBSD: process.c,v 1.8 2002/04/15 21:47:45 millert Exp $";
  #endif /* not lint */
  
  #include <sys/types.h>
***************
*** 134,140 ****
  			case 'D':
  				if (pd)
  					goto new;
! 				if ((p = memchr(ps, '\n', psl - 1)) == NULL) {
  					pd = 1;
  					goto new;
  				} else {
--- 134,141 ----
  			case 'D':
  				if (pd)
  					goto new;
! 				if (psl == 0 ||
! 				    (p = memchr(ps, '\n', psl - 1)) == NULL) {
  					pd = 1;
  					goto new;
  				} else {
***************
*** 186,192 ****
  			case 'P':
  				if (pd)
  					break;
! 				if ((p = memchr(ps, '\n', psl - 1)) != NULL) {
  					oldpsl = psl;
  					psl = (p + 1) - ps;
  				}
--- 187,194 ----
  			case 'P':
  				if (pd)
  					break;
! 				if (psl != 0 &&
! 				    (p = memchr(ps, '\n', psl - 1)) != NULL) {
  					oldpsl = psl;
  					psl = (p + 1) - ps;
  				}
***************
*** 239,245 ****
  				HS = tspace;
  				break;
  			case 'y':
! 				if (pd)
  					break;
  				for (p = ps, len = psl; --len; ++p)
  					*p = cp->u.y[(unsigned char)*p];
--- 241,247 ----
  				HS = tspace;
  				break;
  			case 'y':
! 				if (pd || psl == 0)
  					break;
  				for (p = ps, len = psl; --len; ++p)
  					*p = cp->u.y[(unsigned char)*p];