initial rust oidc lib

.gitignore

@@ -122,3 +122,4 @@ attic/world/*.c25519
 attic/world/mkworld
 workspace/
 workspace2/
+zeroidc/target/

zeroidc/Cargo.lock

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+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
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+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
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+
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+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "zeroidc"
+version = "0.1.0"
+dependencies = [
+ "cbindgen",
+ "openidconnect",
+]

zeroidc/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "zeroidc"
+version = "0.1.0"
+edition = "2018"
+build = "build.rs"
+
+[lib]
+crate-type = ["staticlib"]
+
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+openidconnect = "2.1.0"
+
+[build-dependencies]
+cbindgen = "0.20.0"

zeroidc/build.rs

@@ -0,0 +1,37 @@
+extern crate cbindgen;
+
+use std::env;
+use std::path::PathBuf;
+use cbindgen::{Config, Language};
+
+fn main() {
+    let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+
+    let package_name = env::var("CARGO_PKG_NAME").unwrap();
+    let output_file = target_dir()
+        .join(format!("{}.hpp", package_name))
+        .display()
+        .to_string();
+
+    let config = Config {
+        language: Language::C,
+        cpp_compat: true,
+        namespace: Some(String::from("zeroidc")),
+        ..Default::default()
+    };
+
+    cbindgen::generate_with_config(&crate_dir, config)
+      .unwrap()
+      .write_to_file(&output_file);
+}
+
+/// Find the location of the `target/` directory. Note that this may be 
+/// overridden by `cmake`, so we also need to check the `CARGO_TARGET_DIR` 
+/// variable.
+fn target_dir() -> PathBuf {
+    if let Ok(target) = env::var("CARGO_TARGET_DIR") {
+        PathBuf::from(target)
+    } else {
+        PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("target")
+    }
+}

zeroidc/src/lib.rs

@@ -0,0 +1,13 @@
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}
+
+
+#[no_mangle]
+pub extern "C" fn hello_rust() {
+    println!("Hello, Rust from C!")
+}