whatcanGOwrong

go/pkg/mod/github.com/cilium/ebpf@v0.11.0/internal/statfs.go

@@ -0,0 +1,23 @@
+package internal
+
+import (
+	"unsafe"
+
+	"github.com/cilium/ebpf/internal/unix"
+)
+
+func FSType(path string) (int64, error) {
+	var statfs unix.Statfs_t
+	if err := unix.Statfs(path, &statfs); err != nil {
+		return 0, err
+	}
+
+	fsType := int64(statfs.Type)
+	if unsafe.Sizeof(statfs.Type) == 4 {
+		// We're on a 32 bit arch, where statfs.Type is int32. bpfFSType is a
+		// negative number when interpreted as int32 so we need to cast via
+		// uint32 to avoid sign extension.
+		fsType = int64(uint32(statfs.Type))
+	}
+	return fsType, nil
+}