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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/sys_info.h"
#import <UIKit/UIKit.h>
#include <mach/mach.h>
#include <sys/sysctl.h>
#include <sys/types.h>
#include "base/logging.h"
#include "base/mac/scoped_nsautorelease_pool.h"
#include "base/sys_string_conversions.h"
namespace base {
// static
std::string SysInfo::OperatingSystemName() {
base::mac::ScopedNSAutoreleasePool pool;
// Examples of returned value: 'iPhone OS' on iPad 5.1.1
// and iPhone 5.1.1.
return SysNSStringToUTF8([[UIDevice currentDevice] systemName]);
}
// static
std::string SysInfo::OperatingSystemVersion() {
base::mac::ScopedNSAutoreleasePool pool;
return SysNSStringToUTF8([[UIDevice currentDevice] systemVersion]);
}
// static
void SysInfo::OperatingSystemVersionNumbers(int32* major_version,
int32* minor_version,
int32* bugfix_version) {
base::mac::ScopedNSAutoreleasePool pool;
NSString* version = [[UIDevice currentDevice] systemVersion];
NSArray* version_info = [version componentsSeparatedByString:@"."];
NSUInteger length = [version_info count];
*major_version = [[version_info objectAtIndex:0] intValue];
if (length >= 2)
*minor_version = [[version_info objectAtIndex:1] intValue];
else
*minor_version = 0;
if (length >= 3)
*bugfix_version = [[version_info objectAtIndex:2] intValue];
else
*bugfix_version = 0;
}
// static
int64 SysInfo::AmountOfPhysicalMemory() {
struct host_basic_info hostinfo;
mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
int result = host_info(mach_host_self(),
HOST_BASIC_INFO,
reinterpret_cast<host_info_t>(&hostinfo),
&count);
if (result != KERN_SUCCESS) {
NOTREACHED();
return 0;
}
DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
return static_cast<int64>(hostinfo.max_mem);
}
// static
std::string SysInfo::CPUModelName() {
char name[256];
size_t len = arraysize(name);
if (sysctlbyname("machdep.cpu.brand_string", &name, &len, NULL, 0) == 0)
return name;
return std::string();
}
} // namespace base
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