The next_in/next_out in zstream should add the changed number for every request. And the return value should be Z_STREAM_END for stream end. Signed-off-by: Yang Shen <shenyang39@huawei.com> --- wd_zlibwrapper.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/wd_zlibwrapper.c b/wd_zlibwrapper.c index 5dd1c2a..8d2308f 100644 --- a/wd_zlibwrapper.c +++ b/wd_zlibwrapper.c @@ -186,8 +186,12 @@ static int wd_zlib_do_request(z_streamp strm, int flush, enum wd_comp_op_type ty strm->avail_out = dst_len - req.dst_len; strm->total_in += req.src_len; strm->total_out += req.dst_len; + strm->next_in += req.src_len; + strm->next_out += req.dst_len; - if (flush == Z_FINISH && req.src_len == src_len) + if (type == WD_DIR_COMPRESS && flush == Z_FINISH && req.src_len == src_len) + ret = Z_STREAM_END; + else if (type == WD_DIR_DECOMPRESS && req.status == WD_STREAM_END) ret = Z_STREAM_END; return ret; -- 2.24.0