From 8ac9ff3ff0c7b4b3210b9826ece8bbd2ff0e4a5f Mon Sep 17 00:00:00 2001
From: qbix79 <qbix79@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Fri, 20 Jun 2008 13:29:45 +0000
Subject: [PATCH] Clear memory before using it. (the buffer is read to get the
 old value before adding a voice to it and clipping it)

git-svn-id: https://svn.eduke32.com/eduke32@806 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/source/jaudiolib/multivoc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/polymer/eduke32/source/jaudiolib/multivoc.c b/polymer/eduke32/source/jaudiolib/multivoc.c
index 10c5351e6..d5457c474 100644
--- a/polymer/eduke32/source/jaudiolib/multivoc.c
+++ b/polymer/eduke32/source/jaudiolib/multivoc.c
@@ -2872,7 +2872,8 @@ int MV_Init(int soundcard, int MixRate, int Voices, int numchannels, int sampleb
     initprintf("  - Using %d byte mixing buffers\n", MixBufferSize);
 
     // Allocate mix buffer within 1st megabyte
-    ptr = (char *)malloc(TotalBufferSize + 8);	// FIXME: temporarily fixes bounds error somewhere...
+    // use calloc to clear the memory for the first playback.
+    ptr = (char *)calloc(1,TotalBufferSize + 8);	// FIXME: temporarily fixes bounds error somewhere...
     if (!ptr)
     {
         USRHOOKS_FreeMem(MV_Voices);