Re: [Pyobjc-dev] Can't bridge UCConvertUTCDateTimeToCFAbsoluteTime

[blake <ch...@ap...>]

On Nov 27, 2007, at 5:16 AM, Ben Artin wrote:

>
> On Nov 27, 2007, at 1:07 AM, Ronald Oussoren wrote:
>
>>
>> On 26 Nov, 2007, at 22:55, Ben Artin wrote:
>>
>>>
>>> On Nov 26, 2007, at 3:17 PM, blake wrote:
>>>
>>>>> The problem appears to be that no metadata exists for <CarbonCore/
>>>> UTCUtils.h>. You might try running gen_bridge_metadata(1) on
>>>> CarbonCore.framework, or typecast UTCDateTime to int64_t instead.
>>>
>>> Also, documentation for UTCDateTime specifically says that it's  
>>> wrong
>>> to access it at uint64_t, so that advice is incorrect.
>>
>> The advice is actually a good idea: just use 'Q' as the encoding  
>> for struct UTCDate and you're set as long as the definition of  
>> UTCDate doesn't change, and that's not likely to happen due to  
>> binary compatibility constrains.
>
> I guess carrying it across the bridge as a uint64_t is OK as long as  
> I don't try to do math with it as an integer? Thanks.
>

I was thinking that a scalar type would be safe for bridge  
travel(assuming no math expressions) But after rereading the docs, I  
would recommend testing that solution on both ppc and x86 to be safe.