ntdll: Introduce RtlSetLastWin32Error for unixlibs that additionally sets 32-bit error on wow64.

35ae4703 · Jacek Caban · Alexandre Julliard · 1795fd7a · 35ae4703
Commit 35ae4703 authored Jul 30, 2022 by Jacek Caban Committed by Alexandre Julliard Aug 10, 2022
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env.c dlls/ntdll/unix/env.c +16 -0

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--- a/dlls/ntdll/unix/env.c
+++ b/dlls/ntdll/unix/env.c
@@ -2390,3 +2390,19 @@ ULONG WINAPI RtlNtStatusToDosError( NTSTATUS status )

    return map_status( status );
 }
+
+/**********************************************************************
+ *      RtlSetLastWin32Error  (ntdll.so)
+ */
+void WINAPI RtlSetLastWin32Error( DWORD err )
+{
+    TEB *teb = NtCurrentTeb();
+#ifdef _WIN64
+    if (teb->WowTebOffset)
+    {
+        TEB32 *teb32 = (TEB32 *)((char *)teb + teb->WowTebOffset);
+        teb32->LastErrorValue = err;
+    }
+#endif
+    teb->LastErrorValue = err;
+}