get support capability

another.go

package main

/*
#include <linux/capability.h>

int has_cap_syslog() {
  int ret = 0;
#ifdef CAP_SYSLOG
  ret = 1;
#endif
  return ret;
}
*/
import "C"

func main() {
        if C.has_cap_syslog() == 1 {
                println("yay")
        } else {
                println("boo")
        }
}

cap.go

package main

/*
#include <sys/capability.h>
#cgo LDFLAGS: -lcap

int is_cap_supported(cap_value_t cap) {
  if (!CAP_IS_SUPPORTED(cap)) {
    return 0;
  }
  return 1;
}
*/
import "C"
import "github.com/syndtr/gocapability/capability"

func main() {
        if isCapSupported(capability.CAP_SYSLOG) {
                println("yay")
        } else {
                println("boo")
        }
}

func isCapSupported(c capability.Cap) bool {
        return C.is_cap_supported(C.cap_value_t(c)) == 0
}

simple.go

package main

/*
#include <linux/capability.h>
*/
import "C"

func main() {
  println(C.CAP_SYSLOG)
}