From 9c8f6fa3aa47618ba7a13f5cc865dfe30c0ed600 Mon Sep 17 00:00:00 2001
From: yuanyuanxiang <962914132@qq.com>
Date: Mon, 20 Oct 2025 03:50:25 +0800
Subject: [PATCH] fix: UpdateClientClipboard may lost the last letter

---
 client/ScreenManager.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/client/ScreenManager.cpp b/client/ScreenManager.cpp
index b904dc0..c4ac9a4 100644
--- a/client/ScreenManager.cpp
+++ b/client/ScreenManager.cpp
@@ -319,13 +319,18 @@ VOID CScreenManager::UpdateClientClipboard(char *szBuffer, ULONG ulLength)
     if (!::OpenClipboard(NULL))
         return;
     ::EmptyClipboard();
-    HGLOBAL hGlobal = GlobalAlloc(GMEM_DDESHARE, ulLength);
+    HGLOBAL hGlobal = GlobalAlloc(GMEM_DDESHARE, ulLength+1);
     if (hGlobal != NULL) {
 
         LPTSTR szClipboardVirtualAddress = (LPTSTR) GlobalLock(hGlobal);
-        if (szClipboardVirtualAddress == NULL)
-            return;
+		if (szClipboardVirtualAddress == NULL)
+		{
+			GlobalFree(hGlobal);
+			CloseClipboard();
+			return;
+		}
         memcpy(szClipboardVirtualAddress, szBuffer, ulLength);
+        szClipboardVirtualAddress[ulLength] = '\0';
         GlobalUnlock(hGlobal);
         if(NULL==SetClipboardData(CF_TEXT, hGlobal))
             GlobalFree(hGlobal);