ntdll: Implement RtlGetLocaleFileMappingAddress().

dlls/ntdll/locale.c

@@ -702,6 +702,29 @@ void WINAPI RtlResetRtlTranslations( const NLSTABLEINFO *info )
 
 
 /**************************************************************************
+ *      RtlGetLocaleFileMappingAddress   (NTDLL.@)
+ */
+NTSTATUS WINAPI RtlGetLocaleFileMappingAddress( void **ptr, LCID *lcid, LARGE_INTEGER *size )
+{
+    static void *cached_ptr;
+    static LCID cached_lcid;
+
+    if (!cached_ptr)
+    {
+        void *addr;
+        NTSTATUS status = NtInitializeNlsFiles( &addr, &cached_lcid, size );
+
+        if (status) return status;
+        if (InterlockedCompareExchangePointer( &cached_ptr, addr, NULL ))
+            NtUnmapViewOfSection( GetCurrentProcess(), addr );
+    }
+    *ptr = cached_ptr;
+    *lcid = cached_lcid;
+    return STATUS_SUCCESS;
+}
+
+
+/**************************************************************************
  *      RtlAnsiCharToUnicodeChar   (NTDLL.@)
  */
 WCHAR WINAPI RtlAnsiCharToUnicodeChar( char **ansi )

dlls/ntdll/ntdll.spec

@@ -726,6 +726,7 @@
 # @ stub RtlGetLengthWithoutLastFullDosOrNtPathElement
 # Yes, Microsoft really misspelled this one!
 # @ stub RtlGetLengthWithoutTrailingPathSeperators
+@ stdcall RtlGetLocaleFileMappingAddress(ptr ptr ptr)
 @ stdcall RtlGetLongestNtPathLength()
 @ stdcall -syscall -arch=win32 RtlGetNativeSystemInformation(long ptr long ptr) NtWow64GetNativeSystemInformation
 @ stdcall -syscall -arch=win64 RtlGetNativeSystemInformation(long ptr long ptr) NtQuerySystemInformation

include/winternl.h

@@ -4346,6 +4346,7 @@ NTSYSAPI ULONG     WINAPI RtlGetFullPathName_U(PCWSTR,ULONG,PWSTR,PWSTR*);
 NTSYSAPI NTSTATUS  WINAPI RtlGetGroupSecurityDescriptor(PSECURITY_DESCRIPTOR,PSID *,PBOOLEAN);
 NTSYSAPI NTSTATUS  WINAPI RtlGetLastNtStatus(void);
 NTSYSAPI DWORD     WINAPI RtlGetLastWin32Error(void);
+NTSYSAPI NTSTATUS  WINAPI RtlGetLocaleFileMappingAddress(void**,LCID*,LARGE_INTEGER*);
 NTSYSAPI DWORD     WINAPI RtlGetLongestNtPathLength(void);
 NTSYSAPI ULONG     WINAPI RtlGetNtGlobalFlags(void);
 NTSYSAPI BOOLEAN   WINAPI RtlGetNtProductType(LPDWORD);