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/* $NetBSD: win32os.c,v 1.6 2015/07/08 17:29:00 christos Exp $ */
/*
* Copyright (C) 2004, 2007, 2013-2015 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 2002 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <windows.h>
#ifndef TESTVERSION
#include <isc/win32os.h>
#else
#include <stdio.h>
#endif
int
isc_win32os_versioncheck(unsigned int major, unsigned int minor,
unsigned int spmajor, unsigned int spminor)
{
OSVERSIONINFOEX osVer;
DWORD typeMask;
ULONGLONG conditionMask;
memset(&osVer, 0, sizeof(OSVERSIONINFOEX));
osVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
typeMask = 0;
conditionMask = 0;
/* Optimistic: likely greater */
osVer.dwMajorVersion = major;
typeMask |= VER_MAJORVERSION;
conditionMask = VerSetConditionMask(conditionMask,
VER_MAJORVERSION,
VER_GREATER);
osVer.dwMinorVersion = minor;
typeMask |= VER_MINORVERSION;
conditionMask = VerSetConditionMask(conditionMask,
VER_MINORVERSION,
VER_GREATER);
osVer.wServicePackMajor = spmajor;
typeMask |= VER_SERVICEPACKMAJOR;
conditionMask = VerSetConditionMask(conditionMask,
VER_SERVICEPACKMAJOR,
VER_GREATER);
osVer.wServicePackMinor = spminor;
typeMask |= VER_SERVICEPACKMINOR;
conditionMask = VerSetConditionMask(conditionMask,
VER_SERVICEPACKMINOR,
VER_GREATER);
if (VerifyVersionInfo(&osVer, typeMask, conditionMask))
return (1);
/* Failed: retry with equal */
conditionMask = 0;
conditionMask = VerSetConditionMask(conditionMask,
VER_MAJORVERSION,
VER_EQUAL);
conditionMask = VerSetConditionMask(conditionMask,
VER_MINORVERSION,
VER_EQUAL);
conditionMask = VerSetConditionMask(conditionMask,
VER_SERVICEPACKMAJOR,
VER_EQUAL);
conditionMask = VerSetConditionMask(conditionMask,
VER_SERVICEPACKMINOR,
VER_EQUAL);
if (VerifyVersionInfo(&osVer, typeMask, conditionMask))
return (0);
else
return (-1);
}
#ifdef TESTVERSION
int
main(int argc, char **argv) {
unsigned int major = 0;
unsigned int minor = 0;
unsigned int spmajor = 0;
unsigned int spminor = 0;
int ret;
if (argc > 1) {
--argc;
++argv;
major = (unsigned int) atoi(argv[0]);
}
if (argc > 1) {
--argc;
++argv;
minor = (unsigned int) atoi(argv[0]);
}
if (argc > 1) {
--argc;
++argv;
spmajor = (unsigned int) atoi(argv[0]);
}
if (argc > 1) {
--argc;
++argv;
spminor = (unsigned int) atoi(argv[0]);
}
ret = isc_win32os_versioncheck(major, minor, spmajor, spminor);
printf("%s major %u minor %u SP major %u SP minor %u\n",
ret > 0 ? "greater" : (ret == 0 ? "equal" : "less"),
major, minor, spmajor, spminor);
return (ret);
}
#endif
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