feat: add ..

live-reload-rust/libgreet-rs/Cargo.lock

@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "greet"
+version = "0.1.0"
+

live-reload-rust/libgreet-rs/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "greet"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+crate-type = ["dylib"]
+
+[dependencies]

live-reload-rust/libgreet-rs/src/lib.rs

@@ -0,0 +1,10 @@
+use std::{ffi::CStr, os::raw::c_char};
+
+/// # Safety
+/// Pointer must be valid, and point to a null-terminated
+/// string. What happens otherwise is UB.
+pub unsafe extern "C" fn greet(name: *const c_char) {
+    let cstr = CStr::from_ptr(name);
+    println!("Hello, {}!", cstr.to_str().unwrap());
+}
+