Fengyuan Chen issues

Results 10 issues of


                                            Fengyuan Chen

fix bar displaying bug when there are some skiped files

当下载youku视频有些文件skip过之后，bar的进度就显示不正确了。

support multiple process use same log file

```rust let mut config = fast_log::Config::new() .custom(ConsoleErrAppender {}) .file_split( file_path, fast_log::consts::LogSize::MB(log_file_mb), fast_log::plugin::file_split::RollingType::KeepNum(log_file_keep_num.into()), LogPacker {}, ) .level(log::LevelFilter::Info); config.format = Box::new(MyLogFormat {}); fast_log::init(config).expect("failed to init log"); ``` Currently fast_log will open file...

update file position in cdev_gen_read_write

After read/write, cdev_gen_read_write should advance file position.

CondVar is slower than std version

[code use parking_lot](https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=92298959ce4a9fd8e082ca351b5bca64) [code use std](https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=c6f58127573ac42261fb80a6f8a5fea4) After cargo build -r and run, I have below results. |version|duration| |-|-| |parking_lot|34.016281622s | |std|6.342443319s| Version: rust 1.79.0 parking_lot v0.12.3 Benchmark results: rust 1.79.0...

Feature request: Allow to run math.config in math block

**Have you searched existing Github issues to see if someone has already requested this feature?** Yes **Is your feature request related to a problem? Please describe.** I want to use...

feat: support blake2 checksum

1. Add support for blake2 checksum #69 2. Fix alignment issues of Rust binding structures in unrar_sys/src/lib.rs #70

Mismatched Struct Alignment: Use #[repr(C, packed)] for Rust Equivalents

![Image](https://github.com/user-attachments/assets/041ba8db-caf0-4f2e-b651-3bbd4181a706) The C structs (such as HeaderDataEx) in unrar dll.hpp use `#pragma pack(push, 1)`, while the corresponding Rust structs do not use `#[repr(C, packed)]`. This results in different alignment methods...

Fengyuan Chen