From 4709f23f52810f569d48b8bb553d59147f2d8735 Mon Sep 17 00:00:00 2001
From: 13163223717 <52434765+13163223717@users.noreply.github.com>
Date: Wed, 3 Jul 2019 16:05:11 +0800
Subject: [PATCH] Update qprintf.c

Add two case of format
---
 sw/libs/string_lib/src/qprintf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sw/libs/string_lib/src/qprintf.c b/sw/libs/string_lib/src/qprintf.c
index a83cf702..7201b66b 100755
--- a/sw/libs/string_lib/src/qprintf.c
+++ b/sw/libs/string_lib/src/qprintf.c
@@ -220,6 +220,10 @@ static int qprint(char **out, const char *format, va_list va)
         pc += qprints (out, scr, width, pad);
         continue;
       }
+      /* for such case:"xxxx%123\0xxxxx" */
+      if( *format == '\0' ) break;
+      /* for such case:"xxx%123%sxxx" */
+      if( *format == '%' ) --format;
     }
     else
     {