Add UUID, strlcpy, and their tests to util

util/misc/uuid.cc

+// Copyright 2014 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "util/misc/uuid.h"
+
+#include <string.h>
+
+#include "base/basictypes.h"
+#include "base/strings/stringprintf.h"
+#include "util/stdlib/cxx.h"
+
+#if CXX_LIBRARY_VERSION >= 2011
+#include <type_traits>
+#endif
+
+namespace crashpad {
+
+#if CXX_LIBRARY_VERSION >= 2011
+COMPILE_ASSERT(std::is_standard_layout<UUID>::value,

[Robert Sesek, 2014/08/01 18:37:03]

Faaaancy.

+               UUID_must_be_standard_layout);
+#endif
+
+UUID::UUID() : data() {
+}
+
+UUID::UUID(const uint8_t* bytes) {
+  memcpy(data, bytes, sizeof(data));
+}
+
+std::string UUID::ToString() const {
+  return base::StringPrintf(
+      "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+      data[0],
+      data[1],
+      data[2],
+      data[3],
+      data[4],
+      data[5],
+      data[6],
+      data[7],
+      data[8],
+      data[9],
+      data[10],
+      data[11],
+      data[12],
+      data[13],
+      data[14],
+      data[15]);
+}
+
+}  // namespace crashpad