From 00aeb086c3d7c6b3701708db7f579a49f00f50c7 Mon Sep 17 00:00:00 2001
From: Simon MacMullen <simon@rabbitmq.com>
Date: Thu, 27 Oct 2011 14:35:52 +0100
Subject: Since it may be sane to set the watermark to "0.0", let's allow "0"
 for that.

---
 src/rabbit_control.erl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/rabbit_control.erl b/src/rabbit_control.erl
index 905e4fd0..66a5ab5b 100644
--- a/src/rabbit_control.erl
+++ b/src/rabbit_control.erl
@@ -325,7 +325,10 @@ action(trace_off, Node, [], Opts, Inform) ->
     rpc_call(Node, rabbit_trace, stop, [list_to_binary(VHost)]);
 
 action(set_vm_memory_high_watermark, Node, [Arg], _Opts, Inform) ->
-    Frac = list_to_float(Arg),
+    Frac = list_to_float(case string:chr(Arg, $.) of
+                             0 -> Arg ++ ".0";
+                             _ -> Arg
+                         end),
     Inform("Setting memory threshhold on ~p to ~p", [Node, Frac]),
     rpc_call(Node, vm_memory_monitor, set_vm_memory_high_watermark, [Frac]);
 
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