Am 29.01.2017 23:33 schrieb "Lars" <nore...@z505.com>: > > On Sun, January 29, 2017 6:04 am, José Mejuto wrote: > > El 28/01/2017 a las 13:32, fredvs escribió: > > > > > >> TOpusFileCallbacks = record > >> read: op_read_func; > >> seek: op_seek_func; > >> tell: op_tell_func; > >> close: op_close_func; > >> end; > >> > >> This does not work: > >> > >> > >> HandleOP := op_test_callbacks(pointer(InPipe),op_callbacks, > >> BufferURL[0], > >> PipeBufferSize, err); > >> > >> > > > > Hello, > > > > > > As you need to use records you should specify {$PACKRECORDS C} or you > > could get a different record layout than C expects. > > > > -- > > Doesn't some C compilers pack records differently, so packrecords is only > compatiable with GNU c compiler but some other compiler could do it > differently? Sorry I don't know
FPC adheres to the system's ABI. So packrecords c might result in different records on e.g. Linux or Windows or even the same OS on different platforms. So as long as the used C compiler adheres to the ABI as well, there shouldn't be any problem. Regards, Sven
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