From e70ea5d21ff1aca5b8c534da8f3a1ccadd330a2e Mon Sep 17 00:00:00 2001
From: Marcin Bukat <marcin.bukat@gmail.com>
Date: Sun, 28 Jun 2015 17:51:43 +0200
Subject: hwstub: Add completion and some pretty printing to the shell

This uses slightly hacked luaprompt to provide all the goodis.
See https://github.com/dpapavas/luaprompt for original.

Change-Id: Iedddb79abae5809299322bc215722dd928c35cca
---
 utils/hwstub/tools/lua/hwlib.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'utils/hwstub/tools/lua')

diff --git a/utils/hwstub/tools/lua/hwlib.lua b/utils/hwstub/tools/lua/hwlib.lua
index 5bbd1e2668..02ab9718d4 100644
--- a/utils/hwstub/tools/lua/hwlib.lua
+++ b/utils/hwstub/tools/lua/hwlib.lua
@@ -22,6 +22,8 @@ function HWLIB.load_blob(filename, address)
     io.close(f)
 end
 
-function HWLIB.printf(s,...)
-    return io.write(s:format(...))
+function HWLIB.printf(...)
+   local function wrapper(...) io.write(string.format(...)) end
+   local status, result = pcall(wrapper, ...)
+   if not status then error(result, 2) end
 end
-- 
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