[tz] dead code in zic

Ian Abbott abbotti at mev.co.uk
Thu Mar 7 10:44:24 UTC 2013


On 2013/03/06 04:00 PM, random832 at fastmail.us wrote:
> On Wed, Mar 6, 2013, at 10:06, Jonathan Leffler wrote:
>>  
>> On Tue, Mar 5, 2013 at 11:13 PM, Alan Barrett <apb at cequrux.com
>> <mailto:apb at cequrux.com>> wrote:
>>
>>     On Tue, 05 Mar 2013, Arthur David Olson wrote:
>>      
>>
>>         The code in question dates back to when "long" was the longest
>>         integer type available with all compilers ("long long" was not
>>         universal then).
>>
>>      
>>     Today, intmax_t is the longest integer type.  Perhaps most of the
>>     longs in zic.t should be changed to intmax_t.
>>
>>  
>> Does Microsoft's MSVC (which is a C89 compiler) have support for
>> intmax_t (and <stdint.h> or <inttypes.h>)?  Does the TZ code have to
>> work with Microsoft compilers?
>  
> The latest version supports <stdint.h>, but NOT inttypes.h or
> printf("%jd" [etc]). I am unsure whether it supports long long (the
> headers are still full of __int64), but it does support %lld.
>  
> I don't know what version these features were added in.

<stdint.h> was added in Visual Studio 2010, but __int64 has been around
since way before then (since at least Visual Studio 6.0 (VC98), probably
before).  Of course, porting anything back to VC98 is a complete pain in
the posterior!

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti at mev.co.uk>             )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587              )=-


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