From e3d89f01f646bb50271bf1929f3260f72464fb62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damir=20Jeli=C4=87?= <poljar@termina.org.uk>
Date: Thu, 24 Oct 2019 22:38:36 +0200
Subject: [PATCH] olm: Add inital bindgen generated olm-sys bindings.

---
 nio-olm/nio-olm-sys/Cargo.toml    | 14 ++++++++++++++
 nio-olm/nio-olm-sys/build.rs      | 21 +++++++++++++++++++++
 nio-olm/nio-olm-sys/src/lib.rs    |  5 +++++
 nio-olm/nio-olm-sys/src/wrapper.h |  1 +
 4 files changed, 41 insertions(+)
 create mode 100644 nio-olm/nio-olm-sys/Cargo.toml
 create mode 100644 nio-olm/nio-olm-sys/build.rs
 create mode 100644 nio-olm/nio-olm-sys/src/lib.rs
 create mode 100644 nio-olm/nio-olm-sys/src/wrapper.h

diff --git a/nio-olm/nio-olm-sys/Cargo.toml b/nio-olm/nio-olm-sys/Cargo.toml
new file mode 100644
index 00000000..558b8326
--- /dev/null
+++ b/nio-olm/nio-olm-sys/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "nio-olm-sys"
+version = "3.1.4-beta"
+authors = ["Damir Jelić <poljar@termina.org.uk>"]
+description = "Low level bindings for the Olm C library"
+license = "ISC"
+edition = "2018"
+build = "build.rs"
+
+[build-dependencies]
+bindgen = "0.51.1"
+
+[dependencies]
+libc = "0.2.65"
diff --git a/nio-olm/nio-olm-sys/build.rs b/nio-olm/nio-olm-sys/build.rs
new file mode 100644
index 00000000..063966f6
--- /dev/null
+++ b/nio-olm/nio-olm-sys/build.rs
@@ -0,0 +1,21 @@
+use bindgen::Bindings;
+use std::env;
+use std::path::PathBuf;
+
+fn build(file: &str) -> Result<Bindings, ()> {
+    println!("cargo:rustc-link-lib=olm");
+
+    bindgen::Builder::default()
+        .rustfmt_bindings(true)
+        .header(file)
+        .generate()
+}
+
+fn main() {
+    let bindings = build("src/wrapper.h").expect("Unable to build bindings");
+    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
+
+    bindings
+        .write_to_file(out_path.join("bindings.rs"))
+        .expect("Couldn't write bindings!");
+}
diff --git a/nio-olm/nio-olm-sys/src/lib.rs b/nio-olm/nio-olm-sys/src/lib.rs
new file mode 100644
index 00000000..a38a13a8
--- /dev/null
+++ b/nio-olm/nio-olm-sys/src/lib.rs
@@ -0,0 +1,5 @@
+#![allow(non_upper_case_globals)]
+#![allow(non_camel_case_types)]
+#![allow(non_snake_case)]
+
+include!(concat!(env!("OUT_DIR"), "/bindings.rs"));
diff --git a/nio-olm/nio-olm-sys/src/wrapper.h b/nio-olm/nio-olm-sys/src/wrapper.h
new file mode 100644
index 00000000..ea193d26
--- /dev/null
+++ b/nio-olm/nio-olm-sys/src/wrapper.h
@@ -0,0 +1 @@
+#include <olm/olm.h>