From 13e60ed500b4ec984b50151be49b9b6db4b75b4f Mon Sep 17 00:00:00 2001
From: lovechinamo <wangdongqi2@huawei.com>
Date: Wed, 22 Jun 2022 17:02:44 +0800
Subject: [PATCH] Signed-off-by: lovechinamo <wangdongqi2@huawei.com>

 Changes to be committed:
	modified:   frameworks/inputmethod_controller/src/input_method_controller.cpp
---
 .../inputmethod_controller/src/input_method_controller.cpp  | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/frameworks/inputmethod_controller/src/input_method_controller.cpp b/frameworks/inputmethod_controller/src/input_method_controller.cpp
index ed07a7d..39d051d 100644
--- a/frameworks/inputmethod_controller/src/input_method_controller.cpp
+++ b/frameworks/inputmethod_controller/src/input_method_controller.cpp
@@ -385,8 +385,10 @@ using namespace MessageID;
     std::u16string InputMethodController::GetTextAfterCursor(int32_t number)
     {
         IMSA_HILOGI("InputMethodController::GetTextBeforeCursor");
-        if (!mTextString.empty()) {
-            int32_t endPos = (mSelectNewEnd+number<mTextString.size()) ? (mSelectNewEnd + number) : mTextString.size();
+        if (!mTextString.empty() && mTextString.size() <= INT_MAX) {
+            int32_t endPos = (mSelectNewEnd + number < static_cast<int32_t>(mTextString.size()))
+                                 ? (mSelectNewEnd + number)
+                                 : mTextString.size();
             return mTextString.substr(mSelectNewEnd, endPos);
         }
         return u"";