===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/cvs/rcs.c,v
retrieving revision 1.29
retrieving revision 1.30
diff -c -r1.29 -r1.30
*** src/usr.bin/cvs/rcs.c	2005/03/04 18:21:00	1.29
--- src/usr.bin/cvs/rcs.c	2005/03/05 03:30:29	1.30
***************
*** 1,4 ****
! /*	$OpenBSD: rcs.c,v 1.29 2005/03/04 18:21:00 jfb Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
--- 1,4 ----
! /*	$OpenBSD: rcs.c,v 1.30 2005/03/05 03:30:29 jfb Exp $	*/
  /*
   * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org>
   * All rights reserved.
***************
*** 592,597 ****
--- 592,635 ----
  	}
  
  	return (num);
+ }
+ 
+ 
+ /*
+  * rcs_lock_getmode()
+  *
+  * Retrieve the locking mode of the RCS file <file>.
+  */
+ int
+ rcs_lock_getmode(RCSFILE *file)
+ {
+ 	return (file->rf_flags & RCS_SLOCK) ? RCS_LOCK_STRICT : RCS_LOCK_LOOSE;
+ }
+ 
+ 
+ /*
+  * rcs_lock_setmode()
+  *
+  * Set the locking mode of the RCS file <file> to <mode>, which must either
+  * be RCS_LOCK_LOOSE or RCS_LOCK_STRICT.
+  * Returns the previous mode on success, or -1 on failure.
+  */
+ int
+ rcs_lock_setmode(RCSFILE *file, int mode)
+ {
+ 	int pmode;
+ 	pmode = rcs_lock_getmode(file);
+ 
+ 	if (mode == RCS_LOCK_STRICT)
+ 		file->rf_flags |= RCS_SLOCK;
+ 	else if (mode == RCS_LOCK_LOOSE)
+ 		file->rf_flags &= ~RCS_SLOCK;
+ 	else {
+ 		cvs_log(LP_ERRNO, "invalid lock mode %d", mode);
+ 		return (-1);
+ 	}
+ 
+ 	return (pmode);
  }