[component][ulog] Fixed the thread name output.

armink · armink · commit 584593071eac · 2019-03-09T15:49:32.000+08:00
diff --git 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
         {

Original file line number	Diff line number	Diff line change
`@@ -315,7 +315,10 @@ RT_WEAK rt_size_t ulog_formater(char log_buf, rt_uint32_t level, const char ta`
`315`	`315`	`/* is not in interrupt context */`
`316`	`316`	`if (rt_interrupt_get_nest() == 0)`
`317`	`317`	`{`
`318`		`- log_len += ulog_strcpy(log_len, log_buf + log_len, rt_thread_self()->name);`
	`318`	`+ rt_size_t name_len = rt_strnlen(rt_thread_self()->name, RT_NAME_MAX);`
	`319`	`+`
	`320`	`+ rt_strncpy(log_buf + log_len, rt_thread_self()->name, name_len);`
	`321`	`+ log_len += name_len;`
`319`	`322`	`}`
`320`	`323`	`else`
`321`	`324`	`{`