Convenience functions for flag testing

protocol/protocol.go

@@ -516,3 +516,19 @@ func (c *rawConnection) Statistics() Statistics {
 		OutBytesTotal: int(c.cw.Tot()),
 	}
 }
+
+func IsDeleted(bits uint32) bool {
+	return bits&FlagDeleted != 0
+}
+
+func IsInvalid(bits uint32) bool {
+	return bits&FlagInvalid != 0
+}
+
+func IsDirectory(bits uint32) bool {
+	return bits&FlagDirectory != 0
+}
+
+func HasPermissionBits(bits uint32) bool {
+	return bits&FlagNoPermBits == 0
+}