uninstaller: Don't overallocate in FetchFromRootKey.

8943fcbc · Alex Henrie · Alexandre Julliard · 4569157b · 8943fcbc
Commit 8943fcbc authored Sep 09, 2023 by Alex Henrie Committed by Alexandre Julliard Oct 10, 2023
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main.c programs/uninstaller/main.c +1 -1

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--- a/programs/uninstaller/main.c
+++ b/programs/uninstaller/main.c
@@ -258,7 +258,7 @@ static int FetchFromRootKey(HKEY root)
                type == REG_DWORD && value == 1)
            {
                command = HeapAlloc(GetProcessHeap(), 0,
-                        (lstrlenW(L"msiexec /x%s") + lstrlenW(subKeyName)) * sizeof(WCHAR));
+                        sizeof(L"msiexec /x") + wcslen(subKeyName) * sizeof(WCHAR));
                wsprintfW(command, L"msiexec /x%s", subKeyName);
            }
            else if (!RegQueryValueExW(hkeyApp, L"UninstallString", NULL, NULL, NULL, &uninstlen))