a little tweak enhancement

2025-04-21 12:47:39 +08:00
parent adb19c9976
commit 6457ca60d9
1 changed files with 8 additions and 2 deletions
--- 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