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6c74e69d12
This value is needed for SetWindowPlacement and IMM. JIRA issue: CORE-19675 JIRA issue: CORE-19268 - Add RtlGetExpWinVer function into win32ss/user/rtl/image.c. - Add RtlGetExpWinVer prototype into win32ss/include/ntuser.h. - Delete RtlGetExpWinVer definition in win32ss/user/user32/windows/window.c. - Populate THREADINFO.dwExpWinVer and CLIENTINFO.dwExpWinVer by using RtlGetExpWinVer in InitThreadCallback function.
47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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* PROJECT: ReactOS user32.dll and win32k.sys
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: RtlGetExpWinVer function
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* COPYRIGHT: Copyright 2019 James Tabor <james.tabor@reactos.org>
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* Copyright 2024 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
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*/
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#ifdef _WIN32K_
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#include <win32k.h>
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DBG_DEFAULT_CHANNEL(UserMisc);
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#else
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#include <user32.h>
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#include <wine/debug.h>
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WINE_DEFAULT_DEBUG_CHANNEL(user32);
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#endif
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/* Get the expected OS version from the application module */
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ULONG
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RtlGetExpWinVer(_In_ PVOID BaseAddress)
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{
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ULONG dwMajorVersion = 3, dwMinorVersion = 10; /* Set default to Windows 3.10 (WINVER_WIN31) */
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PIMAGE_NT_HEADERS pNTHeader;
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ULONG_PTR AlignedAddress = (ULONG_PTR)BaseAddress;
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TRACE("(%p)\n", BaseAddress);
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/* Remove the magic flag for non-mapped images */
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if (AlignedAddress & 1)
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AlignedAddress = (AlignedAddress & ~1);
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if (AlignedAddress && !LOWORD(AlignedAddress))
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{
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pNTHeader = RtlImageNtHeader((PVOID)AlignedAddress);
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if (pNTHeader)
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{
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dwMajorVersion = pNTHeader->OptionalHeader.MajorSubsystemVersion;
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if (dwMajorVersion == 1)
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dwMajorVersion = 3;
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else
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dwMinorVersion = pNTHeader->OptionalHeader.MinorSubsystemVersion;
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}
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}
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return MAKEWORD(dwMinorVersion, dwMajorVersion);
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}
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