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fix in_data pointer

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This commit is contained in:
Sema Checherinda 2023-11-19 00:44:39 +01:00
parent 773715a562
commit 053b20a255
2 changed files with 5 additions and 14 deletions
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16
src/IO/Lz4DeflatingWriteBuffer.cpp
View File

@ -43,9 +43,6 @@ namespace
{
tmp_out.finalize();
if (cur_out == sink)
return;
sink->write(tmp_out.buffer().begin(), tmp_out.count());
}
@ -67,8 +64,6 @@ namespace ErrorCodes
Lz4DeflatingWriteBuffer::Lz4DeflatingWriteBuffer(
std::unique_ptr<WriteBuffer> out_, int compression_level, size_t buf_size, char * existing_memory, size_t alignment)
: WriteBufferWithOwnMemoryDecorator(std::move(out_), buf_size, existing_memory, alignment)
, in_data(nullptr)
, in_capacity(0)
, tmp_memory(buf_size)
{
@ -106,9 +101,6 @@ void Lz4DeflatingWriteBuffer::nextImpl()
if (!offset())
return;
in_data = reinterpret_cast<void *>(working_buffer.begin());
in_capacity = offset();
if (first_time)
{
auto sink = SinkToOut(out.get(), tmp_memory, LZ4F_HEADER_SIZE_MAX);
@ -128,7 +120,10 @@ void Lz4DeflatingWriteBuffer::nextImpl()
first_time = false;
}
do
auto in_data = working_buffer.begin();
auto in_capacity = offset();
while (in_capacity > 0)
{
/// Ensure that there is enough space for compressed block of minimal size
size_t min_compressed_block_size = LZ4F_compressBound(1, &kPrefs);
@ -154,11 +149,10 @@ void Lz4DeflatingWriteBuffer::nextImpl()
LZ4F_VERSION, LZ4F_getErrorName(compressed_size), sink.getCapacity());
in_capacity -= cur_buffer_size;
in_data = reinterpret_cast<void *>(working_buffer.end() - in_capacity);
in_data += cur_buffer_size;
sink.advancePosition(compressed_size);
}
while (in_capacity > 0);
}
void Lz4DeflatingWriteBuffer::finalizeBefore()

3
src/IO/Lz4DeflatingWriteBuffer.h
View File

@ -32,9 +32,6 @@ private:
LZ4F_preferences_t kPrefs; /// NOLINT
LZ4F_compressionContext_t ctx;
void * in_data;
size_t in_capacity;
Memory<> tmp_memory;
bool first_time = true;