From 6457ca60d95a280614cfdf534b5e86a3822dbe83 Mon Sep 17 00:00:00 2001
From: strawmanbobi <strawmanbobi@163.com>
Date: Mon, 21 Apr 2025 12:47:39 +0800
Subject: [PATCH] a little tweak enhancement

---
 src/ir_decoder/src/ir_decode_test.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/ir_decoder/src/ir_decode_test.c b/src/ir_decoder/src/ir_decode_test.c
index 0a2f49c..c06b6f6 100644
--- a/src/ir_decoder/src/ir_decode_test.c
+++ b/src/ir_decoder/src/ir_decode_test.c
@@ -30,14 +30,20 @@ void input_number(int *val)
     char n[50]={0};
     int i = 0;
     *val = 0;
-    scanf("%s", n);
+    if (0 != scanf("%s", n))
+    {
+        return;
+    }
     getchar();
     while(1)
     {
         if(n[i] < '0'||n[i] > '9')
         {
             printf("invalid number format, please re-input : ");
-            scanf("%s", n);
+            if (0 != scanf("%s", n))
+            {
+                break;
+            }
             i=0;
         }
         else