From 584593071eac32ea7e65eedd81a36a1326bbbfe1 Mon Sep 17 00:00:00 2001
From: armink <armink.ztl@gmail.com>
Date: Sat, 9 Mar 2019 15:49:32 +0800
Subject: [PATCH] [component][ulog] Fixed the thread name output.

---
 components/utilities/ulog/ulog.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/components/utilities/ulog/ulog.c b/components/utilities/ulog/ulog.c
index b813678ecd..87d0932506 100644
--- a/components/utilities/ulog/ulog.c
+++ b/components/utilities/ulog/ulog.c
@@ -315,7 +315,10 @@ RT_WEAK rt_size_t ulog_formater(char *log_buf, rt_uint32_t level, const char *ta
         /* is not in interrupt context */
         if (rt_interrupt_get_nest() == 0)
         {
-            log_len += ulog_strcpy(log_len, log_buf + log_len, rt_thread_self()->name);
+            rt_size_t name_len = rt_strnlen(rt_thread_self()->name, RT_NAME_MAX);
+
+            rt_strncpy(log_buf + log_len, rt_thread_self()->name, name_len);
+            log_len += name_len;
         }
         else
         {
-- 
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