From 80a5769ed86611adf5390e126a4628a13dbcabbe Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Fri, 2 Apr 2010 16:08:21 -0400
Subject: Added argcheck for buffer:text_range(); src/lua_interface.c

---
 src/lua_interface.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lua_interface.c b/src/lua_interface.c
index 7752dcc5..c049fed8 100644
--- a/src/lua_interface.c
+++ b/src/lua_interface.c
@@ -1027,6 +1027,7 @@ static int l_cf_buffer_text_range(lua_State *lua) {
   struct Sci_TextRange tr;
   tr.chrg.cpMin = luaL_checkinteger(lua, 2);
   tr.chrg.cpMax = luaL_checkinteger(lua, 3);
+  luaL_argcheck(lua, tr.chrg.cpMin < tr.chrg.cpMax, 3, "start > end");
   int length = tr.chrg.cpMax - tr.chrg.cpMin;
   char *text = malloc(length + 1);
   tr.lpstrText = text;
-- 
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