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97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* Use the GetVersionEx() Win32 API call to show information about
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* which version of Windows we're running (or which version of Windows
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* Wine believes it is masquerading as).
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*
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* Copyright 1999 by Morten Eriksen <mailto:mortene@sim.no>
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <windows.h>
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#include <winbase.h>
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#include <stdio.h>
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void
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show_last_error(void)
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{
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DWORD lasterr;
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LPTSTR buffer;
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BOOL result;
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lasterr = GetLastError();
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result = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
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FORMAT_MESSAGE_FROM_SYSTEM |
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FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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lasterr,
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0,
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(LPTSTR)&buffer,
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0,
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NULL);
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if (result) {
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fprintf(stderr, "Win32 API error (%ld):\t%s", lasterr, buffer);
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LocalFree((HLOCAL)buffer);
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}
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else {
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fprintf(stderr, "Win32 API error (%ld)", lasterr);
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}
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}
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int
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main(int argc, char ** argv)
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{
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BOOL result;
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OSVERSIONINFO oiv;
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/* FIXME: GetVersionEx() is a Win32 API call, so there should be a
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preliminary check to see if we're running bare-bones Windows3.xx
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(or even lower?). 19990916 mortene. */
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oiv.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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result = GetVersionEx(&oiv);
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if (result == FALSE) {
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show_last_error();
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}
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else {
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char * platforms[] = {
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"Win32s on Windows 3.1",
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"Win32 on Windows 95 or Windows 98",
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"Win32 on Windows NT/Windows 2000",
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"unknown!"
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};
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int platformval = 3;
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switch (oiv.dwPlatformId) {
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case VER_PLATFORM_WIN32s: platformval = 0; break;
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case VER_PLATFORM_WIN32_WINDOWS: platformval = 1; break;
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case VER_PLATFORM_WIN32_NT: platformval = 2; break;
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}
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fprintf(stdout,
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"MajorVersion: %ld\nMinorVersion: %ld\nBuildNumber: 0x%lx\n"
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"Platform: %s\nCSDVersion: '%s'\n",
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oiv.dwMajorVersion, oiv.dwMinorVersion, oiv.dwBuildNumber,
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platforms[platformval], oiv.szCSDVersion);
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}
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return 0;
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}
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