===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cvs/rcs.c,v
retrieving revision 1.42
retrieving revision 1.43
diff -c -r1.42 -r1.43
*** src/usr.bin/cvs/rcs.c	2005/04/07 20:50:22	1.42
--- src/usr.bin/cvs/rcs.c	2005/04/07 22:08:57	1.43
***************
*** 1,4 ****
! /*	$OpenBSD: rcs.c,v 1.42 2005/04/07 20:50:22 jfb Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
--- 1,4 ----
! /*	$OpenBSD: rcs.c,v 1.43 2005/04/07 22:08:57 jfb Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
***************
*** 201,207 ****
  static int   rcs_patch_lines     (struct rcs_foo *, struct rcs_foo *);
  static int   rcs_strprint        (const u_char *, size_t, FILE *);
  
! static struct rcs_delta*  rcs_findrev    (RCSFILE *, RCSNUM *);
  static struct rcs_foo*    rcs_splitlines (const char *);
  static void               rcs_freefoo    (struct rcs_foo *);
  
--- 201,207 ----
  static int   rcs_patch_lines     (struct rcs_foo *, struct rcs_foo *);
  static int   rcs_strprint        (const u_char *, size_t, FILE *);
  
! static struct rcs_delta*  rcs_findrev    (RCSFILE *, const RCSNUM *);
  static struct rcs_foo*    rcs_splitlines (const char *);
  static void               rcs_freefoo    (struct rcs_foo *);
  
***************
*** 441,446 ****
--- 441,478 ----
  }
  
  /*
+  * rcs_head_get()
+  *
+  * Retrieve the revision number of the head revision for the RCS file <file>.
+  */
+ const RCSNUM*
+ rcs_head_get(RCSFILE *file)
+ {
+ 	return (file->rf_head);
+ }
+ 
+ /*
+  * rcs_head_set()
+  *
+  * Set the revision number of the head revision for the RCS file <file> to
+  * <rev>, which must reference a valid revision within the file.
+  */
+ int
+ rcs_head_set(RCSFILE *file, const RCSNUM *rev)
+ {
+ 	struct rcs_delta *rd;
+ 
+ 	if ((rd = rcs_findrev(file, rev)) == NULL)
+ 		return (-1);
+ 
+ 	if (rcsnum_cpy(rev, file->rf_head, 0) < 0)
+ 		return (-1);
+ 
+ 	return (0);
+ }
+ 
+ 
+ /*
   * rcs_branch_get()
   *
   * Retrieve the default branch number for the RCS file <file>.
***************
*** 1096,1102 ****
   * Returns a pointer to the delta on success, or NULL on failure.
   */
  static struct rcs_delta*
! rcs_findrev(RCSFILE *rfp, RCSNUM *rev)
  {
  	u_int cmplen;
  	struct rcs_delta *rdp;
--- 1128,1134 ----
   * Returns a pointer to the delta on success, or NULL on failure.
   */
  static struct rcs_delta*
! rcs_findrev(RCSFILE *rfp, const RCSNUM *rev)
  {
  	u_int cmplen;
  	struct rcs_delta *rdp;
***************
*** 1827,1833 ****
  			return (-1);
  		}
  
! 		TAILQ_INSERT_HEAD(&(rfp->rf_symbols), symp, rs_list);
  	}
  
  	return (0);
--- 1859,1865 ----
  			return (-1);
  		}
  
! 		TAILQ_INSERT_TAIL(&(rfp->rf_symbols), symp, rs_list);
  	}
  
  	return (0);