===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cvs/commit.c,v
retrieving revision 1.115
retrieving revision 1.116
diff -c -r1.115 -r1.116
*** src/usr.bin/cvs/commit.c	2007/10/08 14:13:13	1.115
--- src/usr.bin/cvs/commit.c	2008/01/10 09:37:26	1.116
***************
*** 1,4 ****
! /*	$OpenBSD: commit.c,v 1.115 2007/10/08 14:13:13 joris Exp $	*/
  /*
   * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
   * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: commit.c,v 1.116 2008/01/10 09:37:26 tobias Exp $	*/
  /*
   * Copyright (c) 2006 Joris Vink <joris@openbsd.org>
   * Copyright (c) 2006 Xavier Santolaria <xsa@openbsd.org>
***************
*** 299,304 ****
--- 299,307 ----
  	    && cf->file_rcs != NULL && cf->file_rcs->rf_dead == 1)) {
  		rrev = rcs_head_get(cf->file_rcs);
  		crev = rcs_head_get(cf->file_rcs);
+ 		if (crev == NULL || rrev == NULL)
+ 			fatal("RCS head empty or missing in %s\n",
+ 			    cf->file_rcs->rf_path);
  
  		tag = cvs_directory_tag;
  		if (cf->file_ent != NULL && cf->file_ent->ce_tag != NULL)