From cd7e59cfc81a40290bff4b224b84e9a8ac977707 Mon Sep 17 00:00:00 2001
From: slguan <slguan@taosdata.com>
Date: Thu, 12 Sep 2019 15:25:52 +0800
Subject: [PATCH] fix issue #503

---
 src/kit/shell/src/shellLinux.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/kit/shell/src/shellLinux.c b/src/kit/shell/src/shellLinux.c
index 84437389ef..7190070238 100644
--- a/src/kit/shell/src/shellLinux.c
+++ b/src/kit/shell/src/shellLinux.c
@@ -312,7 +312,12 @@ void shellPrintNChar(char *str, int width, bool printMode) {
     if (*str == '\0') break;
     char *tstr = str;
     int byte_width = mbtowc(&wc, tstr, MB_CUR_MAX);
+    if (byte_width <= 0 ) break;
     int col_width = wcwidth(wc);
+    if (col_width <= 0) {
+      str += byte_width;
+      continue;
+    }
     if (col_left < col_width) break;
     printf("%lc", wc);
     str += byte_width;
-- 
GitLab