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/*
* Use the GetVersionEx() Win32 API call to show information about
* which version of Windows we're running (or which version of Windows
* Wine believes it is masquerading as).
*
* Copyright 1999 by Morten Eriksen <mailto:mortene@sim.no>
*
*/
#include <windows.h>
#include <winbase.h>
#include <stdio.h>
#ifdef WINELIB
/* External declaration here because we don't want to depend on Wine's
internal headers. */
extern HINSTANCE MAIN_WinelibInit( int *argc, char *argv[] );
#endif /* WINELIB */
void
show_last_error(void)
{
DWORD lasterr;
LPTSTR buffer;
BOOL result;
lasterr = GetLastError();
result = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
lasterr,
0,
(LPTSTR)&buffer,
0,
NULL);
if (result) {
fprintf(stderr, "Win32 API error (%ld):\t%s", lasterr, buffer);
LocalFree((HLOCAL)buffer);
}
else {
fprintf(stderr, "Win32 API error (%ld)", lasterr);
}
}
int
main(int argc, char ** argv)
{
BOOL result;
OSVERSIONINFO oiv;
HINSTANCE hinst;
#ifdef WINELIB
if (!(hinst = MAIN_WinelibInit(&argc, argv))) return 0;
#endif /* WINELIB */
/* FIXME: GetVersionEx() is a Win32 API call, so there should be a
preliminary check to see if we're running bare-bones Windows3.xx
(or even lower?). 19990916 mortene. */
oiv.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
result = GetVersionEx(&oiv);
if (result == FALSE) {
show_last_error();
}
else {
char * platforms[] = {
"Win32s on Windows 3.1",
"Win32 on Windows 95 or Windows 98",
"Win32 on Windows NT/Windows 2000",
"unknown!"
};
int platformval = 3;
switch (oiv.dwPlatformId) {
case VER_PLATFORM_WIN32s: platformval = 0; break;
case VER_PLATFORM_WIN32_WINDOWS: platformval = 1; break;
case VER_PLATFORM_WIN32_NT: platformval = 2; break;
}
fprintf(stdout,
"MajorVersion: %ld\nMinorVersion: %ld\nBuildNumber: 0x%lx\n"
"Platform: %s\nCSDVersion: '%s'\n",
oiv.dwMajorVersion, oiv.dwMinorVersion, oiv.dwBuildNumber,
platforms[platformval], oiv.szCSDVersion);
}
return 0;
}
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