Golang DLL and xojo

General Programming
21

MX Linux doesn’t have gcc installed by default :flushed:
I’ve installed it and now all is good :+1:

22

So now this is the Go code:

package main

import "C"

//export HelloIntro
func HelloIntro(name *C.char) *C.char { 
   who := C.GoString(name) 
   return C.CString("Hello " + who) 
}

func main() {
    // Need a main function to make CGO compile package as C shared library
}

And a PureBasic snippet that calls the resulting library:

Enumeration
  #libcgo
EndEnumeration

If Not OpenLibrary(#libcgo, "cgotest.so")
  MessageRequester("Error", "Failed to open library", 0)
  End
EndIf

*fn = GetFunction(#libcgo, "HelloIntro")
If *fn
  *bf = UTF8("Steve")
  *rs = CallCFunctionFast(*fn, *bf)
  Debug PeekS(*rs, -1, #PB_UTF8)
  FreeMemory(*bf)
Else
  MessageRequester("Error", "Function not found", 0)
EndIf

CloseLibrary(#libcgo)

I like it :+1:
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Edit ( as three consecutive posts are disallowed )
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How would I do the reverse?

Say I had a shared library, libfoo.so, which contained the function hello_intro with the signature:

char* hello_intro(char* s);

How would I call hello_intro from Go?

23

Silly question what’s the name of the file you save to disk?