RTDECL(int) RTSystemQueryOSInfo(RTSYSOSINFO enmInfo, char *pszInfo, size_t cchInfo)
{
/*
* Quick validation.
*/
AssertReturn(enmInfo > RTSYSOSINFO_INVALID && enmInfo < RTSYSOSINFO_END, VERR_INVALID_PARAMETER);
AssertPtrReturn(pszInfo, VERR_INVALID_POINTER);
if (!cchInfo)
return VERR_BUFFER_OVERFLOW;
/*
* Handle the request.
*/
switch (enmInfo)
{
case RTSYSOSINFO_PRODUCT:
case RTSYSOSINFO_RELEASE:
case RTSYSOSINFO_VERSION:
{
struct utsname UtsInfo;
if (uname(&UtsInfo) < 0)
return RTErrConvertFromErrno(errno);
const char *pszSrc;
switch (enmInfo)
{
case RTSYSOSINFO_PRODUCT: pszSrc = UtsInfo.sysname; break;
case RTSYSOSINFO_RELEASE: pszSrc = UtsInfo.release; break;
case RTSYSOSINFO_VERSION: pszSrc = UtsInfo.version; break;
default: AssertFatalFailed(); /* screw gcc */
}
size_t cch = strlen(pszSrc);
if (cch < cchInfo)
{
memcpy(pszInfo, pszSrc, cch + 1);
return VINF_SUCCESS;
}
memcpy(pszInfo, pszSrc, cchInfo - 1);
pszInfo[cchInfo - 1] = '\0';
return VERR_BUFFER_OVERFLOW;
}
case RTSYSOSINFO_SERVICE_PACK:
default:
*pszInfo = '\0';
return VERR_NOT_SUPPORTED;
}
return VINF_SUCCESS;
}
/**
* Services the RTSYSOSINFO_PRODUCT, RTSYSOSINFO_RELEASE
* and RTSYSOSINFO_SERVICE_PACK requests.
*
* @returns See RTSystemQueryOSInfo.
* @param enmInfo See RTSystemQueryOSInfo.
* @param pszInfo See RTSystemQueryOSInfo.
* @param cchInfo See RTSystemQueryOSInfo.
*/
static int rtSystemWinQueryOSVersion(RTSYSOSINFO enmInfo, char *pszInfo, size_t cchInfo)
{
/*
* Make sure it's terminated correctly in case of error.
*/
*pszInfo = '\0';
/*
* Check that we got the windows version at init time.
*/
AssertReturn(g_WinOsInfoEx.dwOSVersionInfoSize, VERR_WRONG_ORDER);
/*
* Service the request.
*/
char szTmp[512];
szTmp[0] = '\0';
switch (enmInfo)
{
/*
* The product name.
*/
case RTSYSOSINFO_PRODUCT:
{
switch (g_enmWinVer)
{
case kRTWinOSType_95: strcpy(szTmp, "Windows 95"); break;
case kRTWinOSType_95SP1: strcpy(szTmp, "Windows 95 (Service Pack 1)"); break;
case kRTWinOSType_95OSR2: strcpy(szTmp, "Windows 95 (OSR 2)"); break;
case kRTWinOSType_98: strcpy(szTmp, "Windows 98"); break;
case kRTWinOSType_98SP1: strcpy(szTmp, "Windows 98 (Service Pack 1)"); break;
case kRTWinOSType_98SE: strcpy(szTmp, "Windows 98 (Second Edition)"); break;
case kRTWinOSType_ME: strcpy(szTmp, "Windows Me"); break;
case kRTWinOSType_NT351: strcpy(szTmp, "Windows NT 3.51"); break;
case kRTWinOSType_NT4: strcpy(szTmp, "Windows NT 4.0"); break;
case kRTWinOSType_2K: strcpy(szTmp, "Windows 2000"); break;
case kRTWinOSType_XP:
strcpy(szTmp, "Windows XP");
if (g_WinOsInfoEx.wSuiteMask & VER_SUITE_PERSONAL)
strcat(szTmp, " Home");
if ( g_WinOsInfoEx.wProductType == VER_NT_WORKSTATION
&& !(g_WinOsInfoEx.wSuiteMask & VER_SUITE_PERSONAL))
strcat(szTmp, " Professional");
#if 0 /** @todo fixme */
if (GetSystemMetrics(SM_MEDIACENTER))
strcat(szTmp, " Media Center");
#endif
break;
case kRTWinOSType_2003: strcpy(szTmp, "Windows 2003"); break;
case kRTWinOSType_VISTA:
{
strcpy(szTmp, "Windows Vista");
rtSystemWinAppendProductType(szTmp);
break;
}
case kRTWinOSType_2008: strcpy(szTmp, "Windows 2008"); break;
case kRTWinOSType_7: strcpy(szTmp, "Windows 7"); break;
case kRTWinOSType_2008R2: strcpy(szTmp, "Windows 2008 R2"); break;
case kRTWinOSType_8: strcpy(szTmp, "Windows 8"); break;
case kRTWinOSType_2012: strcpy(szTmp, "Windows 2012"); break;
case kRTWinOSType_81: strcpy(szTmp, "Windows 8.1"); break;
case kRTWinOSType_2012R2: strcpy(szTmp, "Windows 2012 R2"); break;
case kRTWinOSType_10: strcpy(szTmp, "Windows 10"); break;
case kRTWinOSType_2016: strcpy(szTmp, "Windows 2016"); break;
case kRTWinOSType_NT_UNKNOWN:
RTStrPrintf(szTmp, sizeof(szTmp), "Unknown NT v%u.%u",
g_WinOsInfoEx.dwMajorVersion, g_WinOsInfoEx.dwMinorVersion);
break;
default:
AssertFailed();
case kRTWinOSType_UNKNOWN:
RTStrPrintf(szTmp, sizeof(szTmp), "Unknown %d v%u.%u",
g_WinOsInfoEx.dwPlatformId, g_WinOsInfoEx.dwMajorVersion, g_WinOsInfoEx.dwMinorVersion);
break;
}
break;
}
/*
* The release.
*/
case RTSYSOSINFO_RELEASE:
{
RTStrPrintf(szTmp, sizeof(szTmp), "%u.%u.%u",
g_WinOsInfoEx.dwMajorVersion, g_WinOsInfoEx.dwMinorVersion, g_WinOsInfoEx.dwBuildNumber);
break;
}
/*
* Get the service pack.
*/
case RTSYSOSINFO_SERVICE_PACK:
{
if (g_WinOsInfoEx.wServicePackMajor)
{
if (g_WinOsInfoEx.wServicePackMinor)
RTStrPrintf(szTmp, sizeof(szTmp), "%u.%u",
(unsigned)g_WinOsInfoEx.wServicePackMajor, (unsigned)g_WinOsInfoEx.wServicePackMinor);
else
RTStrPrintf(szTmp, sizeof(szTmp), "%u",
(unsigned)g_WinOsInfoEx.wServicePackMajor);
}
else if (g_WinOsInfoEx.szCSDVersion[0])
{
/* just copy the entire string. */
char *pszTmp = szTmp;
int rc = RTUtf16ToUtf8Ex(g_WinOsInfoEx.szCSDVersion, RT_ELEMENTS(g_WinOsInfoEx.szCSDVersion),
&pszTmp, sizeof(szTmp), NULL);
if (RT_SUCCESS(rc))
RTStrStripR(szTmp);
else
szTmp[0] = '\0';
AssertCompile(sizeof(szTmp) > sizeof(g_WinOsInfoEx.szCSDVersion));
}
else
{
switch (g_enmWinVer)
{
case kRTWinOSType_95SP1: strcpy(szTmp, "1"); break;
case kRTWinOSType_98SP1: strcpy(szTmp, "1"); break;
default:
break;
}
}
break;
}
default:
AssertFatalFailed();
}
/*
* Copy the result to the return buffer.
*/
size_t cchTmp = strlen(szTmp);
Assert(cchTmp < sizeof(szTmp));
if (cchTmp < cchInfo)
{
memcpy(pszInfo, szTmp, cchTmp + 1);
return VINF_SUCCESS;
}
memcpy(pszInfo, szTmp, cchInfo - 1);
pszInfo[cchInfo - 1] = '\0';
return VERR_BUFFER_OVERFLOW;
}
