vis

commit 6c4c2a00ab473793f294f27068624eada3812879
parent 3db95d5b693f737fbd323209d205d3360a27e5c8
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Wed, 22 Feb 2017 18:18:27 +0100

vis-lua: check for nil return value of text object callback

Diffstat:
M
vis-lua.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/vis-lua.c b/vis-lua.c
@@ -938,7 +938,7 @@ static Filerange textobject_lua(Vis *vis, Win *win, void *data, size_t pos) {
 	if (!func_ref_get(L, data) || !obj_ref_new(L, win, "vis.window"))
 		return text_range_empty();
 	lua_pushunsigned(L, pos);
-	if (pcall(vis, L, 2, 2) != 0)
+	if (pcall(vis, L, 2, 2) != 0 || lua_isnil(L, -1))
 		return text_range_empty();
 	return text_range_new(checkpos(L, -2), checkpos(L, -1));
 }