CRAS: cras-sys crate generated from adhd/cras/common

Use bindgen to generate C structure and enum for rust version libcras.

Generated from upstream with commit
5fd5e32c111ad28da0bb860d023b281ae16c2094

with steps in generator/README.md

BUG=chromium:907520
TEST=Apply full patch set to test
     $ cras_tests /path/to/playback.raw
CQ-DEPEND=CL:1386286

Change-Id: I129fc7a28de4af767c8b87162357f02ec0141c7f
Reviewed-on: https://chromium-review.googlesource.com/1314275
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Reviewed-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/cras/client/cras-sys/generator/src/main.rs b/cras/client/cras-sys/generator/src/main.rs
new file mode 100644
index 00000000..ba6fadd7
--- /dev/null
+++ b/cras/client/cras-sys/generator/src/main.rs
@@ -0,0 +1,30 @@
+// Copyright 2019 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+extern crate bindgen;
+
+use bindgen::builder;
+
+fn gen() {
+    let name = "cras_gen";
+    let bindings = builder()
+        .header("c_headers/cras_messages.h")
+        .header("c_headers/cras_types.h")
+        .header("c_headers/cras_audio_format.h")
+        .whitelist_type("cras_.*")
+        .whitelist_var("cras_.*")
+        .whitelist_type("CRAS_.*")
+        .whitelist_var("CRAS_.*")
+        .whitelist_type("audio_message")
+        .rustified_enum("CRAS_.*")
+        .rustified_enum("_snd_pcm_.*")
+        .generate()
+        .expect(format!("Unable to generate {} code", name).as_str());
+    bindings
+        .write_to_file("lib_gen.rs")
+        .expect("Unable to generate lib.rs file");
+}
+
+fn main() {
+    gen();
+}