From d81eb19c1f794f4aef026a490618033a9007c5fb Mon Sep 17 00:00:00 2001
From: Dabb <dabb@users.sourceforge.net>
Date: Thu, 15 Feb 2001 18:25:09 +0000
Subject: [PATCH] Check for null buffers from directsound. (forgot to commit,
 hm..)

---
 source/snd_mix.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/source/snd_mix.c b/source/snd_mix.c
index b2aff10..c739ac7 100644
--- a/source/snd_mix.c
+++ b/source/snd_mix.c
@@ -94,8 +94,13 @@ S_TransferStereo16 (int endtime)
 	lpaintedtime = paintedtime;
 
 #ifdef _WIN32
-	// fixme: should check for NULL pbuf value
-	if (pDSBuf) pbuf=DSOUND_LockBuffer(true);
+        if (pDSBuf) {
+                pbuf=DSOUND_LockBuffer(true);
+                if(!pbuf) {
+                        Con_Printf("DSOUND_LockBuffer fails!\n");
+                        return;
+                }
+        }
 	else
 #endif
 	{
@@ -151,8 +156,13 @@ S_TransferPaintBuffer (int endtime)
 	snd_vol = volume->value * 256;
 
 #ifdef _WIN32
-	// fixme: should check for NULL pbuf value
-	if (pDSBuf) pbuf=DSOUND_LockBuffer(true);
+        if (pDSBuf) {
+                pbuf=DSOUND_LockBuffer(true);
+                if(!pbuf) {
+                        Con_Printf("DSOUND_LockBuffer fails!\n");
+                        return;
+                }
+        }
 	else
 #endif
 	{