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More overflow protection

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This commit is contained in:
Chris Robinson
2008-01-20 13:27:54 -08:00
parent 29618bee10
commit 6bf6c6fb7b
1 changed files with 9 additions and 2 deletions
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OpenAL32/alBuffer.c
+9 -2
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@@ -371,12 +371,19 @@ ALAPI ALvoid ALAPIENTRY alBufferData(ALuint buffer,ALenum format,const ALvoid *d
ALBuf->data = realloc(ALBuf->data, (8*NewChannels + size) * (1*sizeof(ALshort)));
if (ALBuf->data)
{
ALint smp;
for (i = 0;i < size;i+=4)
{
ALBuf->data[i+0] = 0;
ALBuf->data[i+1] = 0;
ALBuf->data[i+2] = (ALshort)(((ALfloat*)data)[i/2+0] * 32767.5f - 0.5);
ALBuf->data[i+3] = (ALshort)(((ALfloat*)data)[i/2+1] * 32767.5f - 0.5);
smp = (((ALfloat*)data)[i/2+0] * 32767.5f - 0.5);
smp = min(smp, 32767);
smp = max(smp, -32768);
ALBuf->data[i+2] = (ALshort)smp;
smp = (((ALfloat*)data)[i/2+1] * 32767.5f - 0.5);
smp = min(smp, 32767);
smp = max(smp, -32768);
ALBuf->data[i+3] = (ALshort)smp;
}
memset(&(ALBuf->data[size]), 0, 16*NewChannels);