===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cvs/rcsnum.c,v
retrieving revision 1.9
retrieving revision 1.10
diff -c -r1.9 -r1.10
*** src/usr.bin/cvs/rcsnum.c	2005/03/05 05:58:39	1.9
--- src/usr.bin/cvs/rcsnum.c	2005/04/13 16:25:02	1.10
***************
*** 1,4 ****
! /*	$OpenBSD: rcsnum.c,v 1.9 2005/03/05 05:58:39 jfb Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
--- 1,4 ----
! /*	$OpenBSD: rcsnum.c,v 1.10 2005/04/13 16:25:02 jfb Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
***************
*** 99,104 ****
--- 99,108 ----
  
  /*
   * rcsnum_tostr()
+  *
+  * Format the RCS number <nump> into a human-readable dot-separated
+  * representation and store the resulting string in <buf>, which is of size
+  * <blen>.
   * Returns a pointer to the start of <buf> on success, or NULL on failure.
   */
  char*
***************
*** 107,113 ****
  	u_int i;
  	char tmp[8];
  
! 	if (nump->rn_len == 0) {
  		buf[0] = '\0';
  		return (buf);
  	}
--- 111,117 ----
  	u_int i;
  	char tmp[8];
  
! 	if ((nump == NULL) || (nump->rn_len == 0)) {
  		buf[0] = '\0';
  		return (buf);
  	}