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This commit is contained in:
Nikita Mikhaylov 2021-08-16 12:46:59 +00:00
parent d25d12d7d4
commit 60dd53784f
1 changed files with 9 additions and 8 deletions
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17
src/Compression/LZ4_decompress_faster.cpp
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@ -467,13 +467,13 @@ bool NO_INLINE decompressImpl(
/// output: xyzHello, w
/// ^-op (we will overwrite excessive bytes on next iteration)
{
auto * target = std::min(copy_end, output_end);
wildCopy<copy_amount>(op, ip, target); /// Here we can write up to copy_amount - 1 bytes after buffer.
if (unlikely(copy_end > output_end))
return false;
if (target == output_end)
return true;
}
wildCopy<copy_amount>(op, ip, copy_end); /// Here we can write up to copy_amount - 1 bytes after buffer.
if (copy_end == output_end)
return true;
ip += length;
op = copy_end;
@ -531,8 +531,9 @@ bool NO_INLINE decompressImpl(
copy<copy_amount>(op, match); /// copy_amount + copy_amount - 1 - 4 * 2 bytes after buffer.
if (length > copy_amount * 2)
{
auto * target = std::min(copy_end, output_end);
wildCopy<copy_amount>(op + copy_amount, match + copy_amount, target);
if (unlikely(copy_end > output_end))
return false;
wildCopy<copy_amount>(op + copy_amount, match + copy_amount, copy_end);
}
op = copy_end;