docs: update readme

2026-05-19 18:58:03 +02:00 · 2020-07-06 15:20:29 +08:00
parent 0a904b93de
commit a258c3e65a
2 changed files with 13 additions and 1 deletions
@@ -149,3 +149,15 @@ func MakeDir(dirName string) {
 		err = os.Mkdir(dirName, 0700)
 	}
 }
+
+func paddingZero(s []byte, l int) []byte {
+	h := l - len(s)
+	if h <= 0 {
+		return s
+	} else {
+		for i := len(s); i < l; i++ {
+			s = append(s, 0)
+		}
+		return s
+	}
+}