jim3ma · July 31, 2019 03:57 · May 8, 2013
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,37 @@
+package main
+
+import (
+  "flag"
+	"fmt"
+	"syscall"
+	// #include <sys/sysmacros.h>
+	"C"
+)
+
+var statfile = flag.String("s", "/dev/sda", "default file/device to stat")
+
+// from: https://github.com/d3zd3z/gosure/blob/master/src/linuxdir/linuxdir.go
+// Extract major and minor numbers.
+// This is a strange linux-modern-libc non-macro version.
+func Major(dev uint64) uint64 {
+	return uint64(C.gnu_dev_major((C.ulonglong)(dev)))
+}
+
+func Minor(dev uint64) uint64 {
+	return uint64(C.gnu_dev_minor((C.ulonglong)(dev)))
+}
+
+func main() {
+
+	flag.Parse()
+
+	// stat := syscall.Statfs_t{}
+	stat := syscall.Stat_t{}
+	err := syscall.Stat(*statfile, &stat)
+	if err != nil {
+		fmt.Println("Error", err)
+	}
+	fmt.Println(stat)
+	fmt.Println(Major(stat.Rdev), Minor(stat.Rdev))
+
+}