Muldersoft/MUtilities
Muldersoft/MUtilities
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Small code simplification in OS detection code.

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This commit is contained in:
LoRd_MuldeR 2021-12-25 00:40:13 +01:00
parent 8ec1f69393
commit 7605972d02
3 changed files with 24 additions and 40 deletions
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1
include/MUtils/OSSupport.h
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@ -75,7 +75,6 @@ namespace MUtils
unsigned int versionMinor; ///< The *minor* version of the underlaying operating system
unsigned int versionBuild; ///< The *build* number of the underlaying operating system
unsigned int versionSPack; ///< The *service pack* version of the underlaying operating system
bool overrideFlag;
MUTILS_API bool operator> (const _os_version_t &rhs) const;
MUTILS_API bool operator>= (const _os_version_t &rhs) const;

52
src/OSSupport_Win32.cpp
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@ -277,21 +277,20 @@ static QReadWriteLock g_os_version_lock;
static const struct
{
MUtils::OS::Version::os_version_t version;
bool checkBuildNo;
const char friendlyName[64];
}
g_os_version_lut[] =
{
{ MUtils::OS::Version::WINDOWS_WIN2K, 0, "Windows 2000" }, //2000
{ MUtils::OS::Version::WINDOWS_WINXP, 0, "Windows XP or Windows XP Media Center Edition" }, //XP
{ MUtils::OS::Version::WINDOWS_XPX64, 0, "Windows Server 2003 or Windows XP x64" }, //XP_x64
{ MUtils::OS::Version::WINDOWS_VISTA, 0, "Windows Vista or Windows Server 2008" }, //Vista
{ MUtils::OS::Version::WINDOWS_WIN70, 0, "Windows 7 or Windows Server 2008 R2" }, //7
{ MUtils::OS::Version::WINDOWS_WIN80, 0, "Windows 8 or Windows Server 2012" }, //8
{ MUtils::OS::Version::WINDOWS_WIN81, 0, "Windows 8.1 or Windows Server 2012 R2" }, //8.1
{ MUtils::OS::Version::WINDOWS_WIN10, 0, "Windows 10 or Windows Server 2016" }, //10
{ MUtils::OS::Version::WINDOWS_WIN11, 1, "Windows 11 or Windows Server 2022" }, //11
{ MUtils::OS::Version::UNKNOWN_OPSYS, 0, "N/A" }
{ MUtils::OS::Version::WINDOWS_WIN2K, "Windows 2000" }, //2000
{ MUtils::OS::Version::WINDOWS_WINXP, "Windows XP or Windows XP Media Center Edition" }, //XP
{ MUtils::OS::Version::WINDOWS_XPX64, "Windows Server 2003 or Windows XP x64" }, //XP_x64
{ MUtils::OS::Version::WINDOWS_VISTA, "Windows Vista or Windows Server 2008" }, //Vista
{ MUtils::OS::Version::WINDOWS_WIN70, "Windows 7 or Windows Server 2008 R2" }, //7
{ MUtils::OS::Version::WINDOWS_WIN80, "Windows 8 or Windows Server 2012" }, //8
{ MUtils::OS::Version::WINDOWS_WIN81, "Windows 8.1 or Windows Server 2012 R2" }, //8.1
{ MUtils::OS::Version::WINDOWS_WIN10, "Windows 10 or Windows Server 2016" }, //10
{ MUtils::OS::Version::WINDOWS_WIN11, "Windows 11 or Windows Server 2022" }, //11
{ MUtils::OS::Version::UNKNOWN_OPSYS, "N/A" }
};
//OS version data dtructures
@ -308,15 +307,15 @@ namespace MUtils
bool os_version_t::operator<= (const os_version_t &rhs) const { return (versionMajor < rhs.versionMajor) || ((versionMajor == rhs.versionMajor) && (versionMinor < rhs.versionMinor)) || ((versionMajor == rhs.versionMajor) && (versionMinor == rhs.versionMinor) && (versionBuild <= rhs.versionBuild)); }
//Known Windows NT versions
const os_version_t WINDOWS_WIN2K = { OS_WINDOWS, 5, 0, 2195, 0 }; // 2000
const os_version_t WINDOWS_WINXP = { OS_WINDOWS, 5, 1, 2600, 0 }; // XP
const os_version_t WINDOWS_XPX64 = { OS_WINDOWS, 5, 2, 3790, 0 }; // XP_x64
const os_version_t WINDOWS_VISTA = { OS_WINDOWS, 6, 0, 6000, 0 }; // Vista
const os_version_t WINDOWS_WIN70 = { OS_WINDOWS, 6, 1, 7600, 0 }; // 7
const os_version_t WINDOWS_WIN80 = { OS_WINDOWS, 6, 2, 9200, 0 }; // 8
const os_version_t WINDOWS_WIN81 = { OS_WINDOWS, 6, 3, 9600, 0 }; // 8.1
const os_version_t WINDOWS_WIN10 = { OS_WINDOWS, 10, 0, 10240, 0 }; // 10
const os_version_t WINDOWS_WIN11 = { OS_WINDOWS, 10, 0, 22000, 0 }; // 11
const os_version_t WINDOWS_WIN2K = { OS_WINDOWS, 5U, 0U, 0U, 0U }; // 2000
const os_version_t WINDOWS_WINXP = { OS_WINDOWS, 5U, 1U, 0U, 0U }; // XP
const os_version_t WINDOWS_XPX64 = { OS_WINDOWS, 5U, 2U, 0U, 0U }; // XP_x64
const os_version_t WINDOWS_VISTA = { OS_WINDOWS, 6U, 0U, 0U, 0U }; // Vista
const os_version_t WINDOWS_WIN70 = { OS_WINDOWS, 6U, 1U, 0U, 0U }; // 7
const os_version_t WINDOWS_WIN80 = { OS_WINDOWS, 6U, 2U, 0U, 0U }; // 8
const os_version_t WINDOWS_WIN81 = { OS_WINDOWS, 6U, 3U, 0U, 0U }; // 8.1
const os_version_t WINDOWS_WIN10 = { OS_WINDOWS, 10U, 0U, 0U, 0U }; // 10
const os_version_t WINDOWS_WIN11 = { OS_WINDOWS, 10U, 0U, 22000U, 0U }; // 11
//Unknown OS
const os_version_t UNKNOWN_OPSYS = { OS_UNKNOWN, 0, 0, 0, 0 }; // N/A
@ -370,16 +369,14 @@ static bool rtl_get_version(OSVERSIONINFOEXW *const osInfo)
#pragma warning(pop)
static bool get_real_os_version(unsigned int *const major, unsigned int *const minor, unsigned int *const build, unsigned int *const spack, bool *const pbOverride)
static bool get_real_os_version(unsigned int *const major, unsigned int *const minor, unsigned int *const build, unsigned int *const spack)
{
static const DWORD MAX_VERSION = MAXWORD;
static const DWORD MAX_BUILDNO = MAXINT;
static const DWORD MAX_SRVCPCK = MAXWORD;
*major = *minor = *build = *spack = 0U;
*pbOverride = false;
//Initialize local variables
*major = *minor = *build = *spack = 0U;
OSVERSIONINFOEXW osvi;
memset(&osvi, 0, sizeof(OSVERSIONINFOEXW));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
@ -428,15 +425,14 @@ const MUtils::OS::Version::os_version_t &MUtils::OS::os_version(void)
}
//Detect OS version
unsigned int major, minor, build, spack; bool overrideFlg;
if(get_real_os_version(&major, &minor, &build, &spack, &overrideFlg))
unsigned int major, minor, build, spack;
if(get_real_os_version(&major, &minor, &build, &spack))
{
g_os_version_info.type = Version::OS_WINDOWS;
g_os_version_info.versionMajor = major;
g_os_version_info.versionMinor = minor;
g_os_version_info.versionBuild = build;
g_os_version_info.versionSPack = spack;
g_os_version_info.overrideFlag = overrideFlg;
}
else
{
@ -454,7 +450,7 @@ const char *MUtils::OS::os_friendly_name(const MUtils::OS::Version::os_version_t
for (size_t i = 0; g_os_version_lut[i].version.type != MUtils::OS::Version::OS_UNKNOWN; i++)
{
const MUtils::OS::Version::os_version_t &version = g_os_version_lut[i].version;
if ((os_version.versionMajor == version.versionMajor) && (os_version.versionMinor == version.versionMinor) && ((!g_os_version_lut[i].checkBuildNo) || (os_version.versionBuild >= version.versionBuild)))
if ((os_version.versionMajor == version.versionMajor) && (os_version.versionMinor == version.versionMinor) && (os_version.versionBuild >= version.versionBuild))
{
friendly_name = g_os_version_lut[i].friendlyName;
}

11
src/Startup.cpp
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@ -359,17 +359,6 @@ QApplication *MUtils::Startup::create_qt(int &argc, char **argv, const QString &
qFatal("%s", MUTILS_L1STR(QApplication::tr("Executable '%1' requires Windows 8.1 or later.").arg(executableName)));
}
//Check for compat mode
if(osVersion.overrideFlag && (osVersion <= MUtils::OS::Version::WINDOWS_WIN10))
{
qWarning("Windows compatibility mode detected!");
if(!arguments.contains("ignore-compat-mode"))
{
qFatal("%s", QApplication::tr("Executable '%1' doesn't support Windows compatibility mode.").arg(executableName).toLatin1().constData());
return NULL;
}
}
//Check for Wine
if(MUtils::OS::running_on_wine())
{