cgoProblem.go

package linenoise

// +linux

// #include <stdlib.h>
// #include "linenoise.h"
import "C"

import (
	"unsafe"
)

// "fmt"

// Line displays given string and returns line from user input.
// char *linenoise(const char *prompt);
func Line(prompt string) string {
	promptCString := C.CString(prompt)
	resultCString, errno := C.linenoise(promptCString)
	C.free(promptCString)
}

Error from go build: linenoise.go:19: cannot use promptCString (type *_Ctype_char) as type unsafe.Pointer in function argument

When changing line 19 to:
	resultCString, errno := C.linenoise(unsafe.Pointer(promptCString))

Errors:
linenoise.go:19: cannot use unsafe.Pointer(promptCString) (type unsafe.Pointer) as type *_Ctype_char in function argument
linenoise.go:19: cannot use promptCString (type *_Ctype_char) as type unsafe.Pointer in function argument