Files
punktfunk/clients/linux/src/main.rs
T
enricobuehler 5219107177 chore(unsafe): the workspace adopts the drivers' unsafe discipline
`packaging/windows/drivers/*` has run `deny(unsafe_op_in_unsafe_fn)` +
`deny(clippy::undocumented_unsafe_blocks)` for a while, with `forbid(unsafe_code)`
on the modules that need no unsafe at all. The main workspace had no lint config
whatsoever, so nothing stopped a clean crate from quietly growing an `unsafe`, and
nothing distinguished the handful of genuinely-unsafe lines inside a 600-line
`unsafe fn` from the safe ones surrounding them.

Three things, all mechanical:

* `#![forbid(unsafe_code)]` on the eight crates that already contain zero unsafe
  (`pf-driver-proto`, `pf-host-config`, `pf-paths`, the three clean clients, both
  tools). These were clean by accident, not by contract; now they are clean by
  contract.

* `unsafe_op_in_unsafe_fn = "warn"` workspace-wide. `unsafe fn` states a contract
  the CALLER must uphold — it was never meant to switch off checking for the whole
  body. Measured fallout is 300 sites on Linux, and they are concentrated: six
  files carry all of them, while `punktfunk-core`, `pf-frame`, `pf-clipboard` and
  `pf-vdisplay` are already at zero. `warn` (not `deny`) so the build stays green
  while those six are worked down; it flips to `deny` once they are. This is also
  the Rust 2024 default, so it pays off the edition migration early.

* `proc::current_uid()` replaces eight `unsafe { libc::getuid() }` blocks. Each
  site had copied out the same SAFETY note verbatim, which is the tell: `getuid()`
  is parameterless, always succeeds and touches no memory, so there is no contract
  for a caller to uphold and no reason for the unsafe to be visible eight times.
  One `unsafe` behind a safe wrapper, none at the call sites.

Verified: `pf-vdisplay` builds clean on Linux (Nobara) at zero E0133; the
macOS-buildable crates build clean locally. No behaviour change.
2026-07-28 21:31:41 +02:00

40 lines
1.3 KiB
Rust

//! `punktfunk-client` — the native Linux punktfunk/1 desktop shell (relm4/libadwaita).
//!
//! Hosts, pairing/trust, settings, and the desktop library page; every stream (and the
//! console game library) runs in the spawned `punktfunk-session` Vulkan binary — the
//! shell never touches video (punktfunk-planning `linux-client-rearchitecture.md`).
#![forbid(unsafe_code)]
// The UI-agnostic plumbing lives in `pf-client-core`, shared with the session binary.
// Root re-exports keep every `crate::trust`-style path resolving unchanged.
#[cfg(target_os = "linux")]
pub use pf_client_core::{discovery, gamepad, library, trust, video, wol};
#[cfg(target_os = "linux")]
mod app;
#[cfg(target_os = "linux")]
mod cli;
#[cfg(target_os = "linux")]
mod spawn;
#[cfg(target_os = "linux")]
mod ui_hosts;
#[cfg(target_os = "linux")]
mod ui_library;
#[cfg(target_os = "linux")]
mod ui_settings;
#[cfg(target_os = "linux")]
mod ui_trust;
#[cfg(target_os = "linux")]
fn main() -> gtk::glib::ExitCode {
app::run()
}
/// GTK4/SDL3 are Linux turf; this stub keeps `cargo build --workspace` green on macOS
/// (the Mac client lives in clients/apple).
#[cfg(not(target_os = "linux"))]
fn main() {
eprintln!("punktfunk-client is Linux-only — the macOS client lives in clients/apple");
std::process::exit(2);
}