what i do is have a similar struct in Go, and the original C one. here 'callbacks' is the go one, and "type Engine C.struct_cl_engine" is the opaque C one:
https://github.com/mirtchovski/clamav/blob/master/callback.go#L63 On Wed, Jul 10, 2019 at 5:25 AM Nitish Saboo <nitish.sabo...@gmail.com> wrote: > > Hi Andrey, > > I understand the issue here but how can I pass a callback function in a > struct to C code.I need a struct because I want to pass and an extra > parameter 'userdata' as well that I would require back as part of callback. > > Thanks, > Nitish > > On Wed, Jul 10, 2019 at 4:39 PM andrey mirtchovski <mirtchov...@gmail.com> > wrote: >> >> i don't think you can use a go function directly in the callback. you >> need a correctly-typed C helper to do it. at least that used to be the >> case. see examples: >> >> https://github.com/mirtchovski/clamav/blob/master/cfuncs.go >> https://github.com/mirtchovski/clamav/blob/master/callback.go -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CAK4xykVRS61Z5d-60QKTtNm%2BGO2TNbWeteb6KGNQq0490f8BVw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
