# HG changeset patch
# User Carnë Draug <carandraug@octave.org>
# Date 1422019028 0
# Node ID 9653845601229a4dc5f527231fee099fb5d426d0
# Parent  b705f88044bef356fb3d9dfefabe8d436acc12f2
colormap.m: memory lock function to protect persistent variable from clear().

diff -r b705f88044be -r 965384560122 scripts/image/colormap.m
--- a/scripts/image/colormap.m	Fri Jan 23 13:14:38 2015 +0000
+++ b/scripts/image/colormap.m	Fri Jan 23 13:17:08 2015 +0000
@@ -60,6 +60,7 @@
 ## Adapted-By: jwe
 
 function cmap = colormap (varargin)
+  mlock; # prevent map_list to be cleared by "clear all"
   persistent map_list = cell ();
 
   [hax, varargin, nargin] = __plt_get_axis_arg__ ("colormap", varargin{:});