AuroraMiddleware/lz4
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Fix Offset Math

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This commit is contained in:
W. Felix Handte 2018-04-05 16:32:40 -04:00
parent a1beba13f7
commit 221211d7d0
1 changed files with 3 additions and 2 deletions
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5
lib/lz4hc.c
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@ -93,12 +93,13 @@ static void LZ4HC_clearTables (LZ4HC_CCtx_internal* hc4)
static void LZ4HC_init (LZ4HC_CCtx_internal* hc4, const BYTE* start)
{
U32 startingOffset = hc4->end - hc4->base + 64 KB;
uptrval startingOffset = hc4->end - hc4->base;
DEBUGLOG(4, "LZ4HC_init(%p, %p)", hc4, start);
if (startingOffset > 1 GB || startingOffset > (uptrval)start) {
MEM_INIT((void*)hc4->hashTable, 0, sizeof(hc4->hashTable));
startingOffset = 64 KB;
startingOffset = 0;
}
startingOffset += MAX_DISTANCE;
hc4->nextToUpdate = startingOffset;
hc4->base = start - startingOffset;
hc4->end = start;