Improve range checking for BufferSubData

2010-09-19 14:00:55 -07:00
parent 8a0e15ff37
commit a2580a85a8
1 changed files with 2 additions and 2 deletions
@@ -584,8 +584,8 @@ AL_API ALvoid AL_APIENTRY alBufferSubDataEXT(ALuint buffer,ALenum format,const A
            alSetError(Context, AL_INVALID_VALUE);
        else if(ALBuf->eOriginalFormat != format)
            alSetError(Context, AL_INVALID_ENUM);
-        else if(offset+length < offset ||
-                offset+length > ALBuf->OriginalSize ||
+        else if(offset > ALBuf->OriginalSize ||
+                length > ALBuf->OriginalSize-offset ||
                (offset%ALBuf->OriginalAlign) != 0 ||
                (length%ALBuf->OriginalAlign) != 0)
            alSetError(Context, AL_INVALID_VALUE);