[WIN32K] Fix 64 bit issues (#420)

[reactos.git] / win32ss / user / ntuser / win32.h

diff --git a/win32ss/user/ntuser/win32.h b/win32ss/user/ntuser/win32.h
index cd9d796..4fede2b 100644 (file)
--- a/win32ss/user/ntuser/win32.h
+++ b/win32ss/user/ntuser/win32.h
@@ -295,3 +295,17 @@ typedef struct _PROCESSINFO
 void NTAPI UserDbgPreServiceHook(ULONG ulSyscallId, PULONG_PTR pulArguments);
 ULONG_PTR NTAPI UserDbgPostServiceHook(ULONG ulSyscallId, ULONG_PTR ulResult);
 #endif
+
+/* Helper function used by some wine code */
+
+__forceinline
+int
+lstrlenW(
+    _In_ LPCWSTR lpString)
+{
+    size_t size = wcslen(lpString);
+    if (size > ULONG_MAX) __fastfail(FAST_FAIL_RANGE_CHECK_FAILURE);
+    return (int)size;
+}
+
+#define strlenW lstrlenW