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version.c

/*
 * Windows and DOS version functions
 *
 * Copyright 1997 Marcus Meissner
 * Copyright 1998 Patrik Stridvall
 * Copyright 1998, 2003 Andreas Mohr
 * Copyright 1997, 2003 Alexandre Julliard
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "config.h"
#include "wine/port.h"

#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winternl.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(ver);


/***********************************************************************
 *         GetVersion   (KERNEL32.@)
 *
 * Win31   0x80000a03
 * Win95   0xc0000004
 * Win98   0xc0000a04
 * WinME   0xc0005a04
 * NT351   0x04213303
 * NT4     0x05650004
 * Win2000 0x08930005
 * WinXP   0x0a280105
 */
DWORD WINAPI GetVersion(void)
{
    DWORD result = MAKELONG( MAKEWORD( NtCurrentTeb()->Peb->OSMajorVersion,
                                       NtCurrentTeb()->Peb->OSMinorVersion ),
                             (NtCurrentTeb()->Peb->OSPlatformId ^ 2) << 14 );
    if (NtCurrentTeb()->Peb->OSPlatformId == VER_PLATFORM_WIN32_NT)
        result |= LOWORD(NtCurrentTeb()->Peb->OSBuildNumber) << 16;
    return result;
}


/***********************************************************************
 *         GetVersionExA   (KERNEL32.@)
 */
BOOL WINAPI GetVersionExA(OSVERSIONINFOA *v)
{
    RTL_OSVERSIONINFOEXW infoW;

    if (v->dwOSVersionInfoSize != sizeof(OSVERSIONINFOA) &&
        v->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXA))
    {
        WARN("wrong OSVERSIONINFO size from app (got: %d)\n",
                        v->dwOSVersionInfoSize );
        SetLastError(ERROR_INSUFFICIENT_BUFFER);
        return FALSE;
    }

    infoW.dwOSVersionInfoSize = sizeof(infoW);
    if (RtlGetVersion( &infoW ) != STATUS_SUCCESS) return FALSE;

    v->dwMajorVersion = infoW.dwMajorVersion;
    v->dwMinorVersion = infoW.dwMinorVersion;
    v->dwBuildNumber  = infoW.dwBuildNumber;
    v->dwPlatformId   = infoW.dwPlatformId;
    WideCharToMultiByte( CP_ACP, 0, infoW.szCSDVersion, -1,
                         v->szCSDVersion, sizeof(v->szCSDVersion), NULL, NULL );

    if(v->dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXA))
    {
        LPOSVERSIONINFOEXA vex = (LPOSVERSIONINFOEXA) v;
        vex->wServicePackMajor = infoW.wServicePackMajor;
        vex->wServicePackMinor = infoW.wServicePackMinor;
        vex->wSuiteMask        = infoW.wSuiteMask;
        vex->wProductType      = infoW.wProductType;
    }
    return TRUE;
}


/***********************************************************************
 *         GetVersionExW   (KERNEL32.@)
 */
BOOL WINAPI GetVersionExW( OSVERSIONINFOW *info )
{
    if (info->dwOSVersionInfoSize != sizeof(OSVERSIONINFOW) &&
        info->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXW))
    {
        WARN("wrong OSVERSIONINFO size from app (got: %d)\n",
                        info->dwOSVersionInfoSize);
        return FALSE;
    }
    return (RtlGetVersion( (RTL_OSVERSIONINFOEXW *)info ) == STATUS_SUCCESS);
}


/******************************************************************************
 *        VerifyVersionInfoA   (KERNEL32.@)
 */
BOOL WINAPI VerifyVersionInfoA( LPOSVERSIONINFOEXA lpVersionInfo, DWORD dwTypeMask,
                                DWORDLONG dwlConditionMask)
{
    OSVERSIONINFOEXW verW;

    verW.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
    verW.dwMajorVersion = lpVersionInfo->dwMajorVersion;
    verW.dwMinorVersion = lpVersionInfo->dwMinorVersion;
    verW.dwBuildNumber = lpVersionInfo->dwBuildNumber;
    verW.dwPlatformId = lpVersionInfo->dwPlatformId;
    verW.wServicePackMajor = lpVersionInfo->wServicePackMajor;
    verW.wServicePackMinor = lpVersionInfo->wServicePackMinor;
    verW.wSuiteMask = lpVersionInfo->wSuiteMask;
    verW.wProductType = lpVersionInfo->wProductType;
    verW.wReserved = lpVersionInfo->wReserved;

    return VerifyVersionInfoW(&verW, dwTypeMask, dwlConditionMask);
}


/******************************************************************************
 *        VerifyVersionInfoW   (KERNEL32.@)
 */
BOOL WINAPI VerifyVersionInfoW( LPOSVERSIONINFOEXW lpVersionInfo, DWORD dwTypeMask,
                                DWORDLONG dwlConditionMask)
{
    switch(RtlVerifyVersionInfo( lpVersionInfo, dwTypeMask, dwlConditionMask ))
    {
    case STATUS_INVALID_PARAMETER:
        SetLastError( ERROR_BAD_ARGUMENTS );
        return FALSE;
    case STATUS_REVISION_MISMATCH:
        SetLastError( ERROR_OLD_WIN_VERSION );
        return FALSE;
    }
    return TRUE;
}

/***********************************************************************
 *           TermsrvAppInstallMode       (KERNEL32.@)
 *
 * Find out whether the terminal server is in INSTALL or EXECUTE mode.
 */
BOOL WINAPI TermsrvAppInstallMode(void)
{
    FIXME("stub\n");
    return FALSE;
}

/***********************************************************************
 *           SetTermsrvAppInstallMode       (KERNEL32.@)
 *
 * This function is said to switch between the INSTALL (TRUE) or
 * EXECUTE (FALSE) terminal server modes.
 *
 * This function always returns zero on WinXP Home so it's probably
 * safe to return that value in most cases. However, if a terminal
 * server is running it will probably return something else.
 */
DWORD WINAPI SetTermsrvAppInstallMode(BOOL bInstallMode)
{
    FIXME("(%d): stub\n", bInstallMode);
    return 0;
}

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