COPYLENGTH
if ((cpy > oend - COPYLENGTH) ||
(ip + length > iend - COPYLENGTH)) {
if (cpy > oend - COPYLENGTH) {
LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));
#define MFLIMIT (COPYLENGTH + MINMATCH)
if ((cpy > oend - COPYLENGTH) ||
(ip + length > iend - COPYLENGTH)) {
if (cpy > oend - COPYLENGTH) {
LZ4_SECURECOPY(ref, op, (oend - COPYLENGTH));