// For non-array versions : beware of overlaps.
public static final void bbcopy(ByteBuffer bb, int src, int dst, int length, int slotLen) {
if (src == dst) return;
if (allowArray && bb.hasArray()) {
acopyArray(bb, src, dst, length, slotLen);
return;
}
if (src < dst) bbcopy1(bb, src, dst, length, slotLen);
else bbcopy2(bb, src, dst, length, slotLen);
}
public static final void bbcopy(
ByteBuffer bb1, int src, ByteBuffer bb2, int dst, int length, int slotLen) {
// Assume bb1 and bb2 are different and do not overlap.
if (allowArray && bb1.hasArray() && bb2.hasArray()) {
acopyArray(bb1, src, bb2, dst, length, slotLen);
return;
}
// One or both does not have an array.
int bSrc = src * slotLen;
int bDst = dst * slotLen;
int bLen = length * slotLen;
for (int i = 0; i < bLen; i++) bb2.put(bDst + i, bb1.get(bSrc + i));
}