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/**
* \file os_getversioninfo.c
* \brief Retrieve operating system version information.
* \author Copyright (c) 2011-2012 Jason Perkins and the Premake project
*/
#include "premake.h"
#include <stdlib.h>
struct OsVersionInfo
{
int majorversion;
int minorversion;
int revision;
const char* description;
int isalloc;
};
static void getversion(struct OsVersionInfo* info);
int os_getversion(lua_State* L)
{
struct OsVersionInfo info = {0};
getversion(&info);
lua_newtable(L);
lua_pushstring(L, "majorversion");
lua_pushnumber(L, info.majorversion);
lua_settable(L, -3);
lua_pushstring(L, "minorversion");
lua_pushnumber(L, info.minorversion);
lua_settable(L, -3);
lua_pushstring(L, "revision");
lua_pushnumber(L, info.revision);
lua_settable(L, -3);
lua_pushstring(L, "description");
lua_pushstring(L, info.description);
lua_settable(L, -3);
if (info.isalloc) {
free((void*)info.description);
}
return 1;
}
/*************************************************************/
#if defined(PLATFORM_WINDOWS)
#if !defined(VER_SUITE_WH_SERVER)
#define VER_SUITE_WH_SERVER (0x00008000)
#endif
#ifndef SM_SERVERR2
# define SM_SERVERR2 89
#endif
SYSTEM_INFO getsysteminfo()
{
static SYSTEM_INFO systemInfo;
HMODULE hKrnl32 = GetModuleHandle(TEXT("kernel32"));
memset(&systemInfo, 0, sizeof(systemInfo));
if (hKrnl32)
{
typedef void (WINAPI* GetNativeSystemInfoSig)(LPSYSTEM_INFO);
GetNativeSystemInfoSig nativeSystemInfo = (GetNativeSystemInfoSig)GetProcAddress(hKrnl32, "GetNativeSystemInfo");
if (nativeSystemInfo)
nativeSystemInfo(&systemInfo);
else
GetSystemInfo(&systemInfo);
}
return systemInfo;
}
#ifndef NT_SUCCESS
# define NT_SUCCESS(x) ((x) >= 0)
#endif
OSVERSIONINFOEXW const * GetOSVersionInfo()
{
static OSVERSIONINFOEXW* posvix = NULL;
if (!posvix)
{
static OSVERSIONINFOEXW osvix = { sizeof(OSVERSIONINFOEXW), 0, 0, 0, 0,{ 0 } }; // not an error, this has to be the W variety!
static LONG(WINAPI * RtlGetVersion)(OSVERSIONINFOEXW*) = NULL;
static HMODULE hNtDll = NULL;
hNtDll = GetModuleHandle(TEXT("ntdll.dll"));
if (hNtDll)
{
*(FARPROC*)&RtlGetVersion = GetProcAddress(hNtDll, "RtlGetVersion");
if (NULL != RtlGetVersion)
{
if (NT_SUCCESS(RtlGetVersion(&osvix)))
{
posvix = &osvix;
}
}
}
}
return posvix;
}
void getversion(struct OsVersionInfo* info)
{
static OSVERSIONINFOEXW const* posvix = NULL;
static struct OsVersionInfo s_info;
s_info.majorversion = 0;
s_info.minorversion = 0;
s_info.revision = 0;
s_info.description = "Windows";
if (!posvix)
{
posvix = GetOSVersionInfo();
if (posvix)
{
s_info.majorversion = posvix->dwMajorVersion;
s_info.minorversion = posvix->dwMinorVersion;
s_info.revision = posvix->wServicePackMajor;
switch (posvix->dwMajorVersion)
{
case 5:
switch (posvix->dwMinorVersion)
{
case 0:
s_info.description = "Windows 2000";
break;
case 1:
s_info.description = "Windows XP";
break;
case 2:
if (posvix->wProductType == VER_NT_WORKSTATION)
s_info.description = "Windows XP x64";
else
if (posvix->wSuiteMask == VER_SUITE_WH_SERVER)
s_info.description = "Windows Home Server";
else
{
if (GetSystemMetrics(SM_SERVERR2) == 0)
s_info.description = "Windows Server 2003";
else
s_info.description = "Windows Server 2003 R2";
}
break;
default:
s_info.description = "Windows [5.x]";
break;
}
break;
case 6:
switch (posvix->dwMinorVersion)
{
case 0:
if (posvix->wProductType == VER_NT_WORKSTATION)
s_info.description = "Windows Vista";
else
s_info.description = "Windows Server 2008";
break;
case 1:
if (posvix->wProductType == VER_NT_WORKSTATION)
s_info.description = "Windows 7";
else
s_info.description = "Windows Server 2008 R2";
break;
case 2:
if (posvix->wProductType == VER_NT_WORKSTATION)
s_info.description = "Windows 8";
else
s_info.description = "Windows Server 2012";
break;
case 3:
if (posvix->wProductType == VER_NT_WORKSTATION)
s_info.description = "Windows 8.1";
else
s_info.description = "Windows Server 2012 R2";
break;
default:
s_info.description = "Windows [6.x]";
break;
}
break;
case 10:
switch (posvix->dwMinorVersion)
{
case 0:
if (posvix->wProductType == VER_NT_WORKSTATION)
s_info.description = "Windows 10";
else
s_info.description = "Windows Server 2016/2019";
break;
default:
s_info.description = "Windows [10.x]";
break;
}
break;
}
}
}
memmove(info, &s_info, sizeof(struct OsVersionInfo));
}
/*************************************************************/
#elif defined(PLATFORM_MACOSX)
#include <CoreServices/CoreServices.h>
void getversion(struct OsVersionInfo* info)
{
SInt32 majorversion, minorversion, bugfix;
Gestalt(gestaltSystemVersionMajor, &majorversion);
Gestalt(gestaltSystemVersionMinor, &minorversion);
Gestalt(gestaltSystemVersionBugFix, &bugfix);
info->majorversion = majorversion;
info->minorversion = minorversion;
info->revision = bugfix;
info->description = "Mac OS X";
if (info->majorversion == 10)
{
switch (info->minorversion)
{
case 4:
info->description = "Mac OS X Tiger";
break;
case 5:
info->description = "Mac OS X Leopard";
break;
case 6:
info->description = "Mac OS X Snow Leopard";
break;
case 7:
info->description = "Mac OS X Lion";
break;
}
}
}
/*************************************************************/
#elif defined(PLATFORM_BSD) || defined(PLATFORM_LINUX) || defined(PLATFORM_SOLARIS)
#include <string.h>
#include <sys/utsname.h>
void getversion(struct OsVersionInfo* info)
{
struct utsname u;
char* ver;
info->majorversion = 0;
info->minorversion = 0;
info->revision = 0;
if (uname(&u))
{
// error
info->description = PLATFORM_STRING;
return;
}
#if __GLIBC__
// When using glibc, info->description gets set to u.sysname,
// but it isn't passed out of this function, so we need to copy
// the string.
info->description = malloc(strlen(u.sysname) + 1);
strcpy((char*)info->description, u.sysname);
info->isalloc = 1;
#else
info->description = u.sysname;
#endif
if ((ver = strtok(u.release, ".-")) != NULL)
{
info->majorversion = atoi(ver);
// continue parsing from the previous position
if ((ver = strtok(NULL, ".-")) != NULL)
{
info->minorversion = atoi(ver);
if ((ver = strtok(NULL, ".-")) != NULL)
info->revision = atoi(ver);
}
}
}
/*************************************************************/
#else
void getversion(struct OsVersionInfo* info)
{
info->majorversion = 0;
info->minorversion = 0;
info->revision = 0;
info->description = PLATFORM_STRING;
}
#endif
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