[NTDLL] Export RTL locale functions

The exports are NT6, but the table is initialized unconditionally, because the functions will be used later internally.

Author: tkreuzer

dll/ntdll/def/ntdll.spec

@@ -695,7 +695,7 @@
 @ stdcall -stub -version=0x600+ RtlConnectToSm(ptr ptr long ptr)
 @ stdcall RtlConsoleMultiByteToUnicodeN(ptr long ptr ptr long ptr)
 @ stdcall RtlConvertExclusiveToShared(ptr)
-@ stdcall -stub -version=0x600+ RtlConvertLCIDToString(long long long ptr long)
+@ stdcall -version=0x600+ RtlConvertLCIDToString(long long long ptr long)
 @ stdcall -arch=win32 -ret64 RtlConvertLongToLargeInteger(long)
 @ stdcall RtlConvertSharedToExclusive(ptr)
 @ stdcall RtlConvertSidToUnicodeString(ptr ptr long)
@@ -741,7 +741,7 @@
 @ stdcall RtlCreateUserSecurityObject(ptr long ptr ptr long ptr ptr)
 @ stdcall -stub -version=0x600+ RtlCreateUserStack(long long long long long ptr)
 @ stdcall RtlCreateUserThread(long ptr long ptr long long ptr ptr ptr ptr)
-@ stdcall -stub -version=0x600+ RtlCultureNameToLCID(ptr ptr)
+@ stdcall -version=0x600+ RtlCultureNameToLCID(ptr ptr)
 @ stdcall RtlCustomCPToUnicodeN(ptr wstr long ptr str long)
 @ stdcall RtlCutoverTimeToSystemTime(ptr ptr ptr long)
 @ stdcall -stub -version=0x600+ RtlDeCommitDebugInfo(long long long) ; doesn't exist in win11
@@ -999,8 +999,8 @@
 @ stdcall RtlIsThreadWithinLoaderCallout()
 @ stdcall RtlIsValidHandle(ptr ptr)
 @ stdcall RtlIsValidIndexHandle(ptr long ptr)
-@ stdcall -stub -version=0x600+ RtlIsValidLocaleName(ptr long)
-@ stdcall -stub -version=0x600+ RtlLCIDToCultureName(long long)
+@ stdcall -version=0x600+ RtlIsValidLocaleName(wstr long)
+@ stdcall -version=0x600+ RtlLCIDToCultureName(long ptr)
 @ stdcall -arch=win32 -ret64 RtlLargeIntegerAdd(double double)
 @ stdcall -arch=win32 -ret64 RtlLargeIntegerArithmeticShift(double long)
 @ stdcall -arch=win32 -ret64 RtlLargeIntegerDivide(double double ptr)
@@ -1009,13 +1009,13 @@
 @ stdcall -arch=win32 -ret64 RtlLargeIntegerShiftRight(double long)
 @ stdcall -arch=win32 -ret64 RtlLargeIntegerSubtract(double double)
 @ stdcall RtlLargeIntegerToChar(ptr long long ptr)
-@ stdcall -stub -version=0x600+ RtlLcidToLocaleName(long long long long)
+@ stdcall -version=0x600+ RtlLcidToLocaleName(long ptr long long)
 @ stdcall RtlLeaveCriticalSection(ptr)
 @ stdcall RtlLengthRequiredSid(long)
 @ stdcall RtlLengthSecurityDescriptor(ptr)
 @ stdcall RtlLengthSid(ptr)
 @ stdcall RtlLocalTimeToSystemTime(ptr ptr)
-@ stdcall -stub -version=0x600+ RtlLocaleNameToLcid(wstr ptr long)
+@ stdcall -version=0x600+ RtlLocaleNameToLcid(wstr ptr long)
 @ stdcall RtlLockBootStatusData(ptr)
 @ stdcall -stub -version=0x600+ RtlLockCurrentThread()
 @ stdcall RtlLockHeap(long)

dll/ntdll/ldr/ldrinit.c

@@ -86,6 +86,7 @@ ULONG LdrpActiveUnloadCount;
 VOID NTAPI RtlpInitializeVectoredExceptionHandling(VOID);
 VOID NTAPI RtlpInitDeferredCriticalSection(VOID);
 VOID NTAPI RtlInitializeHeapManager(VOID);
+NTSTATUS NTAPI RtlpInitializeLocaleTable(VOID);
 
 ULONG RtlpDisableHeapLookaside; // TODO: Move to heap.c
 ULONG RtlpShutdownProcessFlags; // TODO: Use it
@@ -2031,6 +2032,13 @@ LdrpInitializeProcess(IN PCONTEXT Context,
         return STATUS_NO_MEMORY;
     }
 
+    Status = RtlpInitializeLocaleTable();
+    if (!NT_SUCCESS(Status))
+    {
+        DPRINT1("Failed to initialize locale table\n");
+        return Status;
+    }
+
     /* Allocate an Activation Context Stack */
     Status = RtlAllocateActivationContextStack(&Teb->ActivationContextStackPointer);
     if (!NT_SUCCESS(Status)) return Status;