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MCOL-4839: Fix clang build (#2100)

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* Fix clang build

* Extern C returned to plugin_instance

Co-authored-by: Leonid Fedorov <l.fedorov@mail.corp.ru>
This commit is contained in:
Leonid Fedorov
2021-08-23 18:45:10 +03:00
committed by GitHub
parent 923bbf4033
commit 5c5f103f98
59 changed files with 422 additions and 600 deletions
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18
utils/compress/idbcompress.cpp
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@ -45,32 +45,16 @@ using namespace std;
namespace
{
const uint64_t MAGIC_NUMBER = 0xfdc119a384d0778eULL;
const uint64_t VERSION_NUM1 = 1;
const uint64_t VERSION_NUM2 = 2;
const uint64_t VERSION_NUM3 = 3;
const int PTR_SECTION_OFFSET = compress::CompressInterface::HDR_BUF_LEN;
// version 1.1 of the chunk data has a short header
// QuickLZ compressed data never has the high bit set on the first byte
const uint8_t CHUNK_MAGIC1 = 0xff;
const int SIG_OFFSET = 0;
const int CHECKSUM_OFFSET = 1;
const int LEN_OFFSET = 5;
const unsigned HEADER_SIZE = 9;
/* version 1.2 of the chunk data changes the hash function used to calculate
* checksums. We can no longer use the algorithm used in ver 1.1. Everything
* else is the same
*/
const uint8_t CHUNK_MAGIC2 = 0xfe;
/* version 2.0 of the chunk data uses a new compression algo. For us, because of
* the finite number of block sizes we compress, the first byte of the compressed
* data will always be 0x80, so it can't be confused with V1.0 data (that has no
* header).
*/
const uint8_t CHUNK_MAGIC3 = 0xfd;
// The max number of lbids to be stored in segment file.
const uint32_t LBID_MAX_SIZE = 10;