it was a fairly complex scenario,
involving source files > 64K
and some extraordinary conditions related to specific layout of ranges of zeroes.
and only on level 9.
if (lookBackLength==0) { /* no back possible */
size_t const maxML = MIN(currentSegmentLength, srcPatternLength);
if ((size_t)longest < maxML) {
+ assert(base + matchIndex < ip);
+ if (ip - (base+matchIndex) > MAX_DISTANCE) break;
assert(maxML < 2 GB);
longest = (int)maxML;
*matchpos = base + matchIndex; /* virtual pos, relative to ip, to retrieve offset */
*op += length;
/* Encode Offset */
+ assert(*ip > match);
+ assert( (*ip - match) <= MAX_DISTANCE );
LZ4_writeLE16(*op, (U16)(*ip-match)); *op += 2;
/* Encode MatchLength */
{ U64 const crcCheck = XXH64(resultBuffer, srcSize, 0);
if (crcOrig!=crcCheck) {
size_t u;
- DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x \n", displayName, (unsigned)crcOrig, (unsigned)crcCheck);
+ DISPLAY("\n!!! WARNING !!! %17s : Invalid Checksum : %x != %x \n", displayName, (unsigned)crcOrig, (unsigned)crcCheck);
for (u=0; u<srcSize; u++) {
if (((const BYTE*)srcBuffer)[u] != ((const BYTE*)resultBuffer)[u]) {
U32 segNb, bNb, pos;