From 16d5776424063d794c42609a06d3a010d191dee3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=BCller?= <michael@fds-team.de>
Date: Tue, 6 Jun 2017 21:08:51 +0200
Subject: ntoskrnl.exe: Implement NtBuildNumber.

---
 dlls/ntoskrnl.exe/ntoskrnl.c        | 11 +++++++++--
 dlls/ntoskrnl.exe/ntoskrnl.exe.spec |  2 +-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index 9332c3ef2a6..0a5c22fc8c0 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -52,6 +52,7 @@ WINE_DECLARE_DEBUG_CHANNEL(plugplay);
 
 BOOLEAN KdDebuggerEnabled = FALSE;
 ULONG InitSafeBootMode = 0;
+USHORT NtBuildNumber = 0;
 
 extern LONG CALLBACK vectored_handler( EXCEPTION_POINTERS *ptrs );
 
@@ -2657,6 +2658,13 @@ NTSTATUS WINAPI IoAcquireRemoveLockEx(PIO_REMOVE_LOCK lock, PVOID tag,
     return STATUS_NOT_IMPLEMENTED;
 }
 
+static void ntoskrnl_init(void)
+{
+    LARGE_INTEGER count;
+
+    KeQueryTickCount( &count );  /* initialize the global KeTickCount */
+    NtBuildNumber = NtCurrentTeb()->Peb->OSBuildNumber;
+}
 
 /*****************************************************
  *           DllMain
@@ -2664,7 +2672,6 @@ NTSTATUS WINAPI IoAcquireRemoveLockEx(PIO_REMOVE_LOCK lock, PVOID tag,
 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 {
     static void *handler;
-    LARGE_INTEGER count;
 
     switch(reason)
     {
@@ -2673,7 +2680,7 @@ BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
 #if defined(__i386__) || defined(__x86_64__)
         handler = RtlAddVectoredExceptionHandler( TRUE, vectored_handler );
 #endif
-        KeQueryTickCount( &count );  /* initialize the global KeTickCount */
+        ntoskrnl_init();
         break;
     case DLL_PROCESS_DETACH:
         if (reserved) break;
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index aaa0d879219..1c862255dee 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -740,7 +740,7 @@
 @ stdcall NtAllocateLocallyUniqueId(ptr) ntdll.NtAllocateLocallyUniqueId
 @ stdcall NtAllocateUuids(ptr ptr ptr ptr) ntdll.NtAllocateUuids
 @ stdcall NtAllocateVirtualMemory(long ptr long ptr long long) ntdll.NtAllocateVirtualMemory
-@ stub NtBuildNumber
+@ extern NtBuildNumber
 @ stdcall NtClose(long) ntdll.NtClose
 @ stdcall NtConnectPort(ptr ptr ptr ptr ptr ptr ptr ptr) ntdll.NtConnectPort
 @ stdcall NtCreateEvent(ptr long ptr long long) ntdll.NtCreateEvent
-- 
2.13.1