Re: How to detect endian-ness in Swift?
Re: How to detect endian-ness in Swift?
- Subject: Re: How to detect endian-ness in Swift?
- From: Roland King <email@hidden>
- Date: Wed, 23 Jul 2014 21:45:22 +0800
> On 23 Jul 2014, at 5:59 pm, Gerriet M. Denkmann <email@hidden> wrote:
>
> This compiles without warnings:
>
> #if __LITTLE_ENDIAN__
> let encoding = NSUTF32LittleEndianStringEncoding;
> println("LittleEndian")
> #else
> let encoding = NSUTF32BigEndianStringEncoding;
> println("BigEndian")
> #endif
>
> But it prints "BigEndian", which probably is NOT quite right.
> How to correctly set my encoding?
>
Never a good pattern in C if you can avoid it, if you have a limited number of choices I normally use
#if __LITTLE_ENDIAN__
…
#elif __BIG_ENDIAN__
…
#else
#error one or other must be defined
#endif
Good hedge against spelling mistakes for a start.
What the swift equivalent is I don’t know ..
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