dedicated folder for generating bindings

examples/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "libcsp-rust-examples"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+libcsp-rust =  { path = "../libcsp-rust" }
+
+[build-dependencies]
+libcsp-cargo-build = { path = "../libcsp-cargo-build" }

examples/build.rs

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+use std::{env, path::PathBuf};
+
+use libcsp_cargo_build::Builder;
+
+fn main() {
+    let project_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+    // Pass some important build script environment variables to the binary/library.
+    // Remove this at a later stage, this belongs in a concrete example app.
+    /*
+    println!(
+        "cargo:rustc-env=TARGET={}",
+        std::env::var("TARGET").unwrap()
+    );
+    println!(
+        "cargo:rustc-env=OUT_DIR={}",
+        std::env::var("OUT_DIR").unwrap()
+    );
+    println!(
+        "cargo:rustc-env=OPT_LEVEL={}",
+        std::env::var("OPT_LEVEL").unwrap()
+    );
+    println!("cargo:rustc-env=HOST={}", std::env::var("HOST").unwrap());
+    */
+
+    // Tell cargo to tell rustc to link our `csp` library. Cargo will
+    // automatically know it must look for a `libcsp.a` file.
+    // println!("cargo:rustc-link-lib=csp");
+    // println!("cargo:rustc-link-search={}/csp", project_dir);
+
+    let mut csp_builder = Builder::new();
+    csp_builder.compile();
+}

examples/src/main.rs

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+use std::ffi::CString;
+
+use libcsp_rust::{csp_init, csp_print_func};
+
+fn main() {
+    println!("Hello, world!");
+    unsafe {
+        csp_init();
+        let c_str = CString::new("hello world\n").unwrap();
+        csp_print_func(c_str.as_ptr());
+    }
+}