3 files changed, 34 insertions, 0 deletions
diff --git a/dom/fs/parent/rust/data-encoding-ffi/Cargo.toml b/dom/fs/parent/rust/data-encoding-ffi/Cargo.toml
new file mode 100644
index 0000000000..1a641e5c7b
--- /dev/null
+++ b/dom/fs/parent/rust/data-encoding-ffi/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "data-encoding-ffi"
+version = "0.1.0"
+license = "MPL-2.0"
+authors = ["The Mozilla Project Developers"]
+
+[dependencies]
+data-encoding = "2.2.1"
+nsstring = { path = "../../../../../xpcom/rust/nsstring" }
diff --git a/dom/fs/parent/rust/data-encoding-ffi/cbindgen.toml b/dom/fs/parent/rust/data-encoding-ffi/cbindgen.toml
new file mode 100644
index 0000000000..37da12d3b7
--- /dev/null
+++ b/dom/fs/parent/rust/data-encoding-ffi/cbindgen.toml
@@ -0,0 +1,11 @@
+header = """/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */"""
+autogen_warning = """/* DO NOT MODIFY THIS MANUALLY! This file was generated using cbindgen. See RunCbindgen.py */"""
+include_guard = "DOM_FS_PARENT_RUST_DATA_ENCODING_FFI_H_"
+include_version = true
+braces = "SameLine"
+line_length = 100
+tab_width = 2
+language = "C++"
+namespaces = ["mozilla", "dom", "fs"]
diff --git a/dom/fs/parent/rust/data-encoding-ffi/src/lib.rs b/dom/fs/parent/rust/data-encoding-ffi/src/lib.rs
new file mode 100644
index 0000000000..74900b62ae
--- /dev/null
+++ b/dom/fs/parent/rust/data-encoding-ffi/src/lib.rs
@@ -0,0 +1,14 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+extern crate data_encoding;
+extern crate nsstring;
+
+use data_encoding::BASE32;
+use nsstring::{nsACString, nsCString};
+
+#[no_mangle]
+pub extern "C" fn base32encode(unencoded: &nsACString, encoded: &mut nsCString) {
+    encoded.assign(&BASE32.encode(&unencoded[..]));
+}