From 983e13c611eaebed3b715507a4954bc753d34627 Mon Sep 17 00:00:00 2001
From: Yunlong <lylgood@foxmail.com>
Date: Sat, 28 Mar 2026 22:13:15 +0800
Subject: [PATCH] Add nan and inf flot number check to avoid integer overflow

---
 cJSON.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cJSON.c b/cJSON.c
index 88c2d95b..bba49acc 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -2511,7 +2511,11 @@ CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num)
         item->valuedouble = num;
 
         /* use saturation in case of overflow */
-        if (num >= INT_MAX)
+        if (isnan(num) || isinf(num))
+        {
+            item->valueint = 0;
+        }
+        else if (num >= INT_MAX)
         {
             item->valueint = INT_MAX;
         }