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// Copyright (c) 2012 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.
#include "base/guid.h"
#include "base/strings/string_util.h"
namespace base {
bool IsValidGUID(const std::string& guid) {
const size_t kGUIDLength = 36U;
if (guid.length() != kGUIDLength)
return false;
for (size_t i = 0; i < guid.length(); ++i) {
char current = guid[i];
if (i == 8 || i == 13 || i == 18 || i == 23) {
if (current != '-')
return false;
} else {
if (!IsHexDigit(current))
return false;
}
}
return true;
}
} // namespace base
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