$OpenBSD: patch-src_Sequence_cpp,v 1.3 2007/06/06 09:35:18 ajacoutot Exp $
--- src/Sequence.cpp.orig	Wed Mar 28 09:53:34 2007
+++ src/Sequence.cpp	Wed Mar 28 09:55:16 2007
@@ -877,7 +877,8 @@ bool Sequence::Get(samplePtr buffer, sampleFormat form
                    sampleCount start, sampleCount len) const
 {
    if (start < 0 || start > mNumSamples ||
-       start+len > mNumSamples)
+       start+len > mNumSamples ||
+       (format != mSampleFormat) || !buffer)
       return false;
    int b = FindBlock(start);
 
@@ -911,6 +912,7 @@ bool Sequence::Set(samplePtr buffer, sampleFormat form
    if (format != mSampleFormat) {
       temp = NewSamples(mMaxSamples, mSampleFormat);
       wxASSERT(temp);
+      return false;
    }
 
    samplePtr silence = NULL;
@@ -918,6 +920,7 @@ bool Sequence::Set(samplePtr buffer, sampleFormat form
       silence = NewSamples(mMaxSamples, format);
       wxASSERT(silence);
       ClearSamples(silence, format, 0, mMaxSamples);
+      return false;
    }
 
    int b = FindBlock(start);