Add some ASSUME statements that ensure mixing at least 1 sample

1 files changed, 3 insertions, 0 deletions

diff --git a/Alc/mixer/mixer_c.c b/Alc/mixer/mixer_c.c
index ee667671..2ec108d7 100644
--- a/Alc/mixer/mixer_c.c
+++ b/Alc/mixer/mixer_c.c
@@ -123,6 +123,7 @@ void Mix_C(const ALfloat *data, ALsizei OutChans, ALfloat (*restrict OutBuffer)[
     ALfloat gain, delta, step;
     ALsizei c;
 
+    ASSUME(BufferSize > 0);
     delta = (Counter > 0) ? 1.0f/(ALfloat)Counter : 0.0f;
 
     for(c = 0;c < OutChans;c++)
@@ -160,6 +161,8 @@ void MixRow_C(ALfloat *OutBuffer, const ALfloat *Gains, const ALfloat (*restrict
 {
     ALsizei c, i;
 
+    ASSUME(BufferSize > 0);
+
     for(c = 0;c < InChans;c++)
     {
         ALfloat gain = Gains[c];