From cf041828dfa6722446e8165dd55d611815184306 Mon Sep 17 00:00:00 2001
From: liyou <303181885@qq.com>
Date: Thu, 18 Dec 2025 23:29:37 +0800
Subject: [PATCH] fix result different issue

---
 cpp/translate/basictypes/String.cpp | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/cpp/translate/basictypes/String.cpp b/cpp/translate/basictypes/String.cpp
index 09d09f6..e1498ae 100644
--- a/cpp/translate/basictypes/String.cpp
+++ b/cpp/translate/basictypes/String.cpp
@@ -70,14 +70,18 @@ void String::setData(const char *pointer)
 
 int String::hashCode()
 {
-    int64_t h = hash;
-    if (hash == 0 && inner.size() > 0) {
-        for (size_t i = 0; i < inner.size(); ++i) {
-            h = static_cast<int>(31 * h + static_cast<int>(inner[i]));
+    size_t usedSize = inner.size();
+    if (usedSize == 0) {
+        return 0;
+    }
+    int64_t hash = 0;
+    for (size_t i = 0; i < usedSize; ++i) {
+        hash = 31 * hash + static_cast<int>(inner[i]);
+        if (hash > INT32_MAX || hash < INT32_MIN) {
+            hash = (int)hash;
         }
-        hash = static_cast<int>(h);
     }
-    return hash;
+    return (int)hash;
 }
 
 bool String::equals(Object *obj)
-- 
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