From bcd4b83e1666f1160514546ebf4e474938f424b7 Mon Sep 17 00:00:00 2001
From: shuhua hua <huangshuhua@kylinos.cn>
Date: Tue, 3 Sep 2024 06:00:48 +0000
Subject: [PATCH] Ignore empty user names as input

* To unify the surrounding coding style
---
 cpukit/libmisc/shell/login_prompt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cpukit/libmisc/shell/login_prompt.c b/cpukit/libmisc/shell/login_prompt.c
index 149966be63..4935480576 100644
--- a/cpukit/libmisc/shell/login_prompt.c
+++ b/cpukit/libmisc/shell/login_prompt.c
@@ -69,7 +69,7 @@
 #include <unistd.h>
 #include <ctype.h>
 #include <errno.h>
-
+#include <string.h>
 #include <rtems/shell.h>
 
 static int rtems_shell_discard( int c, FILE *stream)
@@ -177,6 +177,8 @@ bool rtems_shell_login_prompt(
     result = rtems_shell_get_text( in, out, user, sizeof(user) );
     if ( !result )
       break;
+    if (0 == strlen(user))
+      continue;
 
     fflush( in);
     fprintf( out, "Password: ");