Add tinycbor + first message example

This change adds Intel's tinycbor as a submodule along with an
encode/decode function pair for the PresentationUrlAvailabilityRequest
message.

Change-Id: I6a6f819af6e0e6c1aa3ebeb31936ca64fa3a1891
Reviewed-on: https://chromium-review.googlesource.com/1208753
Reviewed-by: mark a. foltz <mfoltz@chromium.org>

2 files changed, 22 insertions, 0 deletions

diff --git a/third_party/tinycbor/BUILD.gn b/third_party/tinycbor/BUILD.gn
new file mode 100644
index 00000000..2ea7b75b
--- /dev/null
+++ b/third_party/tinycbor/BUILD.gn
@@ -0,0 +1,22 @@
+# Copyright 2018 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+source_set("tinycbor") {
+  sources = [
+    "src/src/cbor.h",
+    "src/src/cborencoder.c",
+    "src/src/cborencoder_close_container_checked.c",
+    "src/src/cborerrorstrings.c",
+    "src/src/cborparser.c",
+    "src/src/cborpretty.c",
+    "src/src/cborvalidation.c",
+    "src/src/utf8_p.h",
+  ]
+
+  configs -= [ "//build/config:openscreen_code" ]
+  configs -= [ "//build/config:symbol_visibility_hidden" ]
+  configs += [ "//build/config:symbol_visibility_default" ]
+
+  defines = [ "WITHOUT_OPEN_MEMSTREAM" ]
+}
diff --git a/third_party/tinycbor/src b/third_party/tinycbor/src
new file mode 160000
+Subproject bfc40dcf909f1998d7760c2bc0e1409979d3c8c