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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.
- #import <SystemConfiguration/SCDynamicStoreCopySpecific.h>
- #include <stddef.h>
- #include <sys/sysctl.h>
- #include <string>
- #include "base/mac/scoped_cftyperef.h"
- #include "base/strings/string_util.h"
- #include "base/strings/sys_string_conversions.h"
- namespace syncer {
- // Returns the Hardware model name, without trailing numbers, if
- // possible. See http://www.cocoadev.com/index.pl?MacintoshModels for
- // an example list of models. If an error occurs trying to read the
- // model, this simply returns "Unknown".
- std::string GetPersonalizableDeviceNameInternal() {
- // Do not use NSHost currentHost, as it's very slow. http://crbug.com/138570
- SCDynamicStoreContext context = {0, NULL, NULL, NULL};
- base::ScopedCFTypeRef<SCDynamicStoreRef> store(SCDynamicStoreCreate(
- kCFAllocatorDefault, CFSTR("chrome_sync"), NULL, &context));
- base::ScopedCFTypeRef<CFStringRef> machine_name(
- SCDynamicStoreCopyLocalHostName(store.get()));
- if (machine_name.get())
- return base::SysCFStringRefToUTF8(machine_name.get());
- // Fall back to get computer name.
- base::ScopedCFTypeRef<CFStringRef> computer_name(
- SCDynamicStoreCopyComputerName(store.get(), NULL));
- if (computer_name.get())
- return base::SysCFStringRefToUTF8(computer_name.get());
- // If all else fails, return to using a slightly nicer version of the
- // hardware model.
- char modelBuffer[256];
- size_t length = sizeof(modelBuffer);
- if (!sysctlbyname("hw.model", modelBuffer, &length, NULL, 0)) {
- for (size_t i = 0; i < length; i++) {
- if (base::IsAsciiDigit(modelBuffer[i]))
- return std::string(modelBuffer, 0, i);
- }
- return std::string(modelBuffer, 0, length);
- }
- return "Unknown";
- }
- } // namespace syncer
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