Ah, turns out the passed-in type is UnsafePointer<lgs_result_info_t>, and I can just call .pointee on that. That seems to have fixed my issues. Not sure if I'm doing the rest of it wrong, but it's not crashing now, at least.
> On Apr 18, 2017, at 16:18 , Rick Mann via swift-users <swift-users@swift.org> > wrote: > > I'm trying to use an API with a complicated callback structure. You pass a > struct with a set of pointers to callbacks to a function, along with a > pointer to a buffer it fills out. Here's an elided version of the C and Swift > code: > > https://pastebin.com/k3VYJTjB > > This compiles, but I get a runtime error in the unsafeBitCast() call > (mismatched sizes) on line 56. > > I realize unsafeBitCast() is dangerous, but I was relying Quinn's post in the > Apple Dev Forums suggesting it was the best way to go. However, I'm pretty > sure I'm using it incorrectly here. > > I can't seem to get Xcode to show me its Swift interpretation of the header > file. Sometimes it does, sometimes it doesn't. > > But can someone please help me get the pointer conversions right for this? > > Thank you very much. > > -- > Rick Mann > rm...@latencyzero.com > > > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users -- Rick Mann rm...@latencyzero.com _______________________________________________ swift-users mailing list swift-users@swift.org https://lists.swift.org/mailman/listinfo/swift-users
