From 2677ade5023a05e97375ee3d97e2c4aab6c54b8f Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Tue, 10 Oct 2017 10:43:36 +0100
Subject: [PATCH] simplewallet: forbid 0 ring size

It'd be interpreted as a huge one (~0 fake outs)
---
 src/simplewallet/simplewallet.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 7a3d80058..f1a3aac51 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -2585,6 +2585,11 @@ bool simple_wallet::transfer_main(int transfer_type, const std::vector<std::stri
       if (fake_outs_count == 0)
         fake_outs_count = DEFAULT_MIX;
     }
+    else if (ring_size == 0)
+    {
+      fail_msg_writer() << tr("Ring size must not be 0");
+      return true;
+    }
     else
     {
       fake_outs_count = ring_size - 1;
@@ -3196,6 +3201,11 @@ bool simple_wallet::sweep_main(uint64_t below, const std::vector<std::string> &a
       if (fake_outs_count == 0)
         fake_outs_count = DEFAULT_MIX;
     }
+    else if (ring_size == 0)
+    {
+      fail_msg_writer() << tr("Ring size must not be 0");
+      return true;
+    }
     else
     {
       fake_outs_count = ring_size - 1;