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64bitで起動しているかを調査する

Last updated at Posted at 2014-10-28

64bitで起動しているかを調査する

起動時、コンパイル時での方法があります。
AppDelegateなどに記載すればよいかと。

Objective-C
    // 32bit or 64bit
    if (sizeof(void*) == 4) {
        NSLog(@"You're running in 32 bit");
    } else if (sizeof(void*) == 8) {
        NSLog(@"You're running in 64 bit");
    }
Objective-C
#if __LP64__
    NSLog(@"You're running in 64 bit");
#else
    NSLog(@"You're running in 32 bit");
#endif

参考URL

How to check if your app is running in 64bit | iOS Dev Diary
http://pinkstone.co.uk/how-to-check-if-your-app-is-running-in-64bit/

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