GetWindowsVersion.c File Reference

#include "GetWindowsVersion.h"

Include dependency graph for GetWindowsVersion.c:

Go to the source code of this file.

Defines
#define	SM_SERVERR2   89
Typedefs
typedef void(WINAPI *)	PGNSI (LPSYSTEM_INFO)
Functions
IMPORT_EXPORT_GETWINDOWSVERSION_DLL int	GetWindowsVersion (void)

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Define Documentation

#define SM_SERVERR2   89

Definition at line 4 of file GetWindowsVersion.c.

Referenced by GetWindowsVersion().

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Typedef Documentation

typedef void(WINAPI *) PGNSI(LPSYSTEM_INFO)

Definition at line 3 of file GetWindowsVersion.c.

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Function Documentation

IMPORT_EXPORT_GETWINDOWSVERSION_DLL int GetWindowsVersion

(

void

)

Definition at line 6 of file GetWindowsVersion.c.

References NULL, OS_ERROR, OS_WIN32_WINDOWS_2000, OS_WIN32_WINDOWS_95, OS_WIN32_WINDOWS_98, OS_WIN32_WINDOWS_LONGHORN, OS_WIN32_WINDOWS_Me, OS_WIN32_WINDOWS_NT_3_51, OS_WIN32_WINDOWS_NT_4_0, OS_WIN32_WINDOWS_SERVER_2003, OS_WIN32_WINDOWS_SERVER_2003_R2, OS_WIN32_WINDOWS_VISTA, OS_WIN32_WINDOWS_XP, OS_WIN32_WINDOWS_XP_64, si, and SM_SERVERR2.

Referenced by main(), and WinMain().

{
        OSVERSIONINFOEX osvi;
        BOOL bOsVersionInfoEx;

        ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
        osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);

        if( !(bOsVersionInfoEx = GetVersionEx ((OSVERSIONINFO *) &osvi)) )
        {
                osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
                if (! GetVersionEx ( (OSVERSIONINFO *) &osvi) ) return OS_ERROR;
        }

        switch (osvi.dwPlatformId)
        {
                case VER_PLATFORM_WIN32_NT:
                        if ( osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0 )
                        {
                                if( osvi.wProductType == VER_NT_WORKSTATION ) return OS_WIN32_WINDOWS_VISTA;
                                else return OS_WIN32_WINDOWS_LONGHORN;
                        }

                        if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2 )
                        {
                                SYSTEM_INFO si;
                                PGNSI pGNSI;
                                pGNSI = (PGNSI) GetProcAddress(GetModuleHandle("kernel32.dll"),"GetNativeSystemInfo");
                                if(NULL != pGNSI) pGNSI(&si);

                                if( GetSystemMetrics(SM_SERVERR2) ) return OS_WIN32_WINDOWS_SERVER_2003_R2;
                                else
                                        if( osvi.wProductType == VER_NT_WORKSTATION && si.wProcessorArchitecture==PROCESSOR_ARCHITECTURE_AMD64) return OS_WIN32_WINDOWS_XP_64;
                                        else return OS_WIN32_WINDOWS_SERVER_2003;
                        }

                        if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1 ) return OS_WIN32_WINDOWS_XP;
                        if ( osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0 ) return OS_WIN32_WINDOWS_2000;
                        if ( osvi.dwMajorVersion == 4 ) return OS_WIN32_WINDOWS_NT_4_0;
                        if ( osvi.dwMajorVersion == 3 && osvi.dwMinorVersion == 51 ) return OS_WIN32_WINDOWS_NT_3_51;
                break;

                case VER_PLATFORM_WIN32_WINDOWS:
                        if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0) return OS_WIN32_WINDOWS_95;
                        if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10) return OS_WIN32_WINDOWS_98;
                        if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90) return OS_WIN32_WINDOWS_Me;
                break;
        }
        return OS_ERROR;
}

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