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

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

> I am trying to bridge UCConvertUTCDateTimeToCFAbsoluteTime using
> PyObjC in Leopard.
>
> The problem that I am running into is that
> UCConvertUTCDateTimeToCFAbsoluteTime takes a struct that's declared
> (on 32 bits) as {unsigned short; unsigned long; unsigned short;} using
> packed alignment, which means that the offset of the 4-byte long
> member is 2. When I use {UTCDateTime=SLS}, PyObjC puts the 4-byte long
> at offset 4, which then causes problems down the line.
>
> Looking at PyObjC source, I don't see a way to force custom alignment
> of struct members.
>
> Did I miss some mechanism for handling this? What are my option?  
> Thanks,
>
> Ben

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.

Blake Chaffin