olm: Add initial higher level olm bindings.

nio-olm/nio-olm-rs/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "nio-olm-rs"
+version = "3.1.4-beta"
+authors = ["Damir Jelić <poljar@termina.org.uk>"]
+description = "Higher level bindings for the Olm C library"
+license = "ISC"
+edition = "2018"
+
+[dependencies]
+nio-olm-sys = { path = "../nio-olm-sys" }

nio-olm/nio-olm-rs/src/account.rs

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+use nio_olm_sys::OlmAccount;
+
+pub struct Account {
+    account: *mut OlmAccount,
+    buffer: Vec<u8>,
+}
+
+impl Account {
+    #[allow(clippy::new_without_default)]
+    pub fn new() -> Account {
+        let (acc_ptr, account_data) = unsafe {
+            let account_size = nio_olm_sys::olm_account_size();
+            let account_data: Vec<u8> = vec![0; account_size];
+            let acc_ptr = nio_olm_sys::olm_account(account_data.as_ptr() as *mut _);
+            (acc_ptr, account_data)
+        };
+
+        Account {
+            account: acc_ptr,
+            buffer: account_data
+        }
+    }
+}
+
+#[test]
+fn create_account() {
+    Account::new();
+}

nio-olm/nio-olm-rs/src/lib.rs

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+pub mod account;