jstangroome · March 5, 2025 03:25 · jstangroome · Mar 5, 2025
diff --git a/cgoenum.go b/cgoenum.go
 package main

 /*
 typedef enum {
 	MY_ENUM_NONE,
 	MY_ENUM_ALPHA,
 	MY_ENUM_BETA
 } my_enum_e;

 */
 import "C"
 import "log"

 func doit(e C.enum_my_enum_e) {
 	// remove this function and the call to it and the program runs
 	log.Printf("doit enum = %d", e)
 }

 func main() {
 	e := C.MY_ENUM_ALPHA
 	log.Printf("main enum = %d", e)
 	doit(e)
 }
diff --git a/Dockerfile b/Dockerfile
 FROM golang:1.24.1-bookworm

 COPY cgoenum.go go.mod ./

 RUN go run ./
diff --git a/error.log b/error.log
 cgo: ./cgoenum.go:15:13: unexpected: -1-byte enum type - enum my_enum_e {}
diff --git a/go.mod b/go.mod
 module stangroome.com/cgoenum

 go 1.23.1
	package main

	/*
	typedef enum {
	MY_ENUM_NONE,
	MY_ENUM_ALPHA,
	MY_ENUM_BETA
	} my_enum_e;

	*/
	import "C"
	import "log"

	func doit(e C.enum_my_enum_e) {
	// remove this function and the call to it and the program runs
	log.Printf("doit enum = %d", e)
	}

	func main() {
	e := C.MY_ENUM_ALPHA
	log.Printf("main enum = %d", e)
	doit(e)
	}