From e635e9593aa4c687a5de913f3ce9093ea11a966b Mon Sep 17 00:00:00 2001
From: JP Cimalando <jpcima@noreply.users.github.com>
Date: Fri, 13 Jan 2017 16:14:21 +0100
Subject: [PATCH] fix memory leak in waveform generation

---
 src/calf/osc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/calf/osc.h b/src/calf/osc.h
index a2d0fadd8..ae3efa212 100644
--- a/src/calf/osc.h
+++ b/src/calf/osc.h
@@ -206,7 +206,9 @@ struct waveform_family: public std::map<uint32_t, float *>
             float *wf = new float[SIZE+1];
             bl.make_waveform(wf, cutoff, foldover);
             wf[SIZE] = wf[0];
-            (*this)[base * (top / cutoff)] = wf;
+            float **storage = &(*this)[base * (top / cutoff)];
+            delete[] *storage;
+            *storage = wf;
             cutoff = (int)(0.75 * cutoff);
         }
     }