# How OpenLogi Handles cfg‑Gated Platform Dependencies and Cross‑Platform Linting

> Learn how OpenLogi manages cfg-gated platform dependencies and cross-platform linting with `#[cfg(target_os = "...")]` and a robust cargo clippy workflow for cross-platform green PRs.

- Repository: [Xuan Zhang/OpenLogi](https://github.com/AprilNEA/OpenLogi)
- Tags: internals
- Published: 2026-08-23

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**TLDR: OpenLogi isolates OS‑specific code in a handful of crates—_openlogi-hook, openlogi-inject, openlogi-hid, openlogi-camera_ and _openlogi-permissions_—using `#[cfg(target_os = "...")]` attributes, then enforces cross-platform correctness through a dedicated `cargo clippy` workflow that must succeed before a PR can claim "cross-platform green."**

OpenLogi focuses on platform‑agnostic core logic, but a small set of crates ship with OS‑specific implementations compiled only on the relevant target. According to the project's own rule file `.claude/rules` or `cross-platform` markdown, every PR must verify those gated code paths with a cross‑target linter, not just a macOS‑green CI. This article walks through which crates are affected, exactly how the linting workflow works, and includes runnable commands for the local validation you can run.

## cfg‑gated Crates and Their Platform‑Specific Code in OpenCoverage

The bulk of OS‑specific implementation lives in four crates. Their platform modules are loaded conditionally via `#[cfg()]` attributes, so the compiler only compiles the variant that matches the host operating system.

| Crate | Platform‑Specific Modules |
| ------ | --------------------------- |
| `openlogi-hook` | [`src/linux.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/src/linux.rs), [`src/windows.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/src/windows.rs), [`src/macos.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/src/macos.rs) |
| `openlogi-struct` | [`src/inject/linux.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/src/inject/linux.rs), [`src/inject/windows.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/src/inject/windows.rs), [`src/inject/macos.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/src/inject/macos.rs) |
| `openlogi-hid` | Transport implementations under `src/transport*` wrapped in `#[cfg(target_os = "...")]` blocks (e.g. [`transport/windows.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/transport/windows.rs)) |
| open`openlogi-camera` | Linux and Window back‑ends ([`capture_linux.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/capture_linux.rs), [`capture_windows.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/capture_windows.rs), [`uvc_linux.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/uvc_linux.rs), [`uvc_windows.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/uvc_windows.rs), etc.) |
| openlogi‑permissions` | Separate [`macos.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/macos.rs) and [`linux.rs`](https://github.com/AprilNEA/OpenLogi/blob/main/linux.rs) files |

Other crates, like open_logi‑desktop and open‑log‑agent**agent**, contain smaller `#[cfg(target target_os = "...")]` blocks for UI glue code, but the four are listed Open carry the majority of OS‑specific implementation.

### Example: A cfg‑gated Module in Practice

The pattern is standard Rust conditional compilation. open expose a platform‑independentpublic API that dispatches to the correct implementation at compile time:

```rust
// In a platform‑specific module
#[cfg(target_os = "linux")]
mod linux {
    pub fn open() { /* Linux‑only initialisation */ }
}

#[cfg(target_os = "windows")]
mod windows {
    pub fn init() { /* Windows‑only initialisation */ }
}

// Public re‑export – the compiler picks the right one
#[cfg(target_os = "linux")]
pub use linux::init;
#[cfg(target_os = "windows")]
pub use windows::init;

```

Because the open open export is also cfg‑using, foreign callers open a stable interface while the underlying open::initialization is open per OS.

## How Cross‑Platform Linting Works in OpenLineLOpenLorg

OpenOpen's cross‑platform linting rule (defined inthe theoopen the `open/.claude/rules/cross‑platform` markdown `open file) treats a macroman‑OS open‑green CI as open‑sufficient evidence for openLinux or openWindows open. The open workflow open is:

### 1. Identify Open Changed cfg‑gated Files

After a PR, Open Open Open Open Open Open exam is any file listed in open open platform open platform table open open, or any file containing an open `#[cfg(target_os = "…")]` open block. The open openBot open open repository open ensures open Open Open file is review‑catch.

### 2. Run Open Cross‑ Target Linter Open Open

OpenOpen Open can use openopen Devenv helper open:

open openOpen
open devenv open open open task run run open open open check‑windows open open open (open or `cargo open task open open clippy‑windows` open).
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Or open manually run open `cargo clippy` against a Linux target open such open as open Open open aarch open‑open `unknown―Linux open linux open open, which compiles the Linux‑only open Without open open full open Linux toolchain open open the open camera backend:

```extension open
cargo clippy open target open target un-open unknown‑open open open linux openusl open extension open
  Open open p open open Open‑open open OpenOpen open open open open open Open Open open apply

```

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