fixed wrong assertion

base can actually overflow
2018-05-10 19:48:09 -07:00
parent 0d7626672d
commit 99ddca43a6
1 changed files with 0 additions and 1 deletions
@@ -2003,7 +2003,6 @@ static size_t ZSTD_compressBlock_internal(ZSTD_CCtx* zc,
    {   const BYTE* const base = ms->window.base;
        const BYTE* const istart = (const BYTE*)src;
        const U32 current = (U32)(istart-base);
-        assert(istart >= base);
        if (sizeof(ptrdiff_t)==8) assert(istart - base < (ptrdiff_t)(U32)(-1));   /* ensure no overflow */
        if (current > ms->nextToUpdate + 384)
            ms->nextToUpdate = current - MIN(192, (U32)(current - ms->nextToUpdate - 384));