Document return values, based on a diff from Ross Richardson.

ok jmc

1 files changed, 8 insertions, 3 deletions

diff --git a/lib/libedit/editline.3 b/lib/libedit/editline.3
index 35100b72ce1..aced91fece8 100644
--- a/lib/libedit/editline.3
+++ b/lib/libedit/editline.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: editline.3,v 1.26 2010/05/09 19:12:05 jmc Exp $
+.\"	$OpenBSD: editline.3,v 1.27 2010/05/14 21:12:36 nicm Exp $
 .\"	$NetBSD: editline.3,v 1.42 2003/11/04 13:22:19 christos Exp $
 .\"
 .\" Copyright (c) 1997-1999 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: May 9 2010 $
+.Dd $Mdocdate: May 14 2010 $
 .Dt EDITLINE 3
 .Os
 .Sh NAME
@@ -194,6 +194,7 @@ parameters.
 .Fa op
 determines which parameter to set, and each operation has its
 own parameter list.
+Returns 0 on success, \-1 on failure.
 .Pp
 The following values for
 .Fa op
@@ -450,6 +451,8 @@ Refer to
 .Xr editrc 5
 for details on the format of
 .Fa file .
+.Fn el_source
+returns 0 on success and \-1 on error.
 .It Fn el_resize
 Must be called if the terminal size changes.
 If
@@ -495,7 +498,9 @@ The following functions are available:
 .Bl -tag -width 4n
 .It Fn history_init
 Initialise the history list, and return a data structure
-to be used by all other history list functions.
+to be used by all other history list functions, or
+.Dv NULL
+on failure.
 .It Fn history_end
 Clean up and finish with
 .Fa h ,