Function bzero

libs/JSystem/JAudio/System/JASCalc.cpp:247–298

    }

    void bzero(void *dest, u32 size)
    {
        u32 *udest;
        u8 *bdest = (u8 *)dest;
        if ((size & 0x1f) == 0 && (reinterpret_cast<u32>(dest) & 0x1f) == 0)
        {
            DCZeroRange(dest, size);
            return;
        }

        u8 alignedbitsDst = reinterpret_cast<u32>(bdest) & 0x3;

        if ((size & 0xf) == 0 && alignedbitsDst == 0)
        {
            bzerofast(dest, size);
            return;
        }

        if (size >= 16)
        {
            if (alignedbitsDst != 0)
            {
                for (alignedbitsDst = 4 - alignedbitsDst; alignedbitsDst != 0; alignedbitsDst--)
                {
                    *bdest++ = 0;
                    size--;
                }
            }

            udest = (u32 *)bdest;
            for (; size >= 4; size -= 4)
            {
                *udest++ = 0;
            }

            if (size != 0)
            {
                bdest = (u8 *)udest;
                for (; size != 0; size--)
                {
                    *bdest++ = 0;
                }
            }
        }
        else
        {
            for (; size != 0; size--)
            {
                *bdest++ = 0;
            }
        }
    }

    // currently required because of missing functions
    // JASCalc::hannWindow(short *, unsigned long)