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-rw-r--r--subsurfacesysinfo.cpp361
1 files changed, 235 insertions, 126 deletions
diff --git a/subsurfacesysinfo.cpp b/subsurfacesysinfo.cpp
index f9ca282d0..175668cbf 100644
--- a/subsurfacesysinfo.cpp
+++ b/subsurfacesysinfo.cpp
@@ -42,15 +42,19 @@
#include "subsurfacesysinfo.h"
#include <QString>
-#include <QFile>
-#include <QSettings>
+
+#ifdef Q_OS_UNIX
+#include <sys/utsname.h>
+#endif
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 4, 0)
#ifndef QStringLiteral
# define QStringLiteral QString::fromUtf8
#endif
#ifdef Q_OS_UNIX
-#include <sys/utsname.h>
+#include <qplatformdefs.h>
#endif
#ifdef __APPLE__
@@ -223,85 +227,217 @@ static const char *winVer_helper()
#endif
#if defined(Q_OS_UNIX)
-# if (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)) || defined(Q_OS_FREEBSD)
-# define USE_ETC_OS_RELEASE
-# endif
+# if (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)) || defined(Q_OS_FREEBSD)
+# define USE_ETC_OS_RELEASE
struct QUnixOSVersion
{
- // from uname(2)
- QString sysName;
- QString sysNameLower;
- QString sysRelease;
-
-# if !defined(Q_OS_ANDROID) && !defined(Q_OS_BLACKBERRY) && !defined(Q_OS_MAC)
- // from /etc/os-release or guessed
- QString versionIdentifier; // ${ID}_$VERSION_ID
- QString versionText; // $PRETTY_NAME
-# endif
+ // from /etc/os-release
+ QString productType; // $ID
+ QString productVersion; // $VERSION_ID
+ QString prettyName; // $PRETTY_NAME
};
-
-#ifdef USE_ETC_OS_RELEASE
-static bool readEtcOsRelease(QUnixOSVersion &v)
+static QString unquote(const char *begin, const char *end)
{
- QFile osRelease("/etc/os-release");
- if (osRelease.exists()) {
- QSettings parse("/etc/os-release", QSettings::IniFormat);
- if (parse.contains("PRETTY_NAME")) {
- v.versionText = parse.value("PRETTY_NAME").toString();
- }
- return true;
- }
- return false;
+ if (*begin == '"') {
+ Q_ASSERT(end[-1] == '"');
+ return QString::fromLatin1(begin + 1, end - begin - 2);
+ }
+ return QString::fromLatin1(begin, end - begin);
}
-#endif // USE_ETC_OS_RELEASE
-static QUnixOSVersion detectUnixVersion()
+static bool readEtcOsRelease(QUnixOSVersion &v)
{
- QUnixOSVersion v;
- struct utsname u;
- if (uname(&u) != -1) {
- v.sysName = QString::fromLatin1(u.sysname);
- v.sysNameLower = v.sysName.toLower();
- v.sysRelease = QString::fromLatin1(u.release);
- } else {
- v.sysName = QLatin1String("Detection failed");
- // leave sysNameLower & sysRelease unset
+ // we're avoiding QFile here
+ int fd = QT_OPEN("/etc/os-release", O_RDONLY);
+ if (fd == -1)
+ return false;
+
+ QT_STATBUF sbuf;
+ if (QT_FSTAT(fd, &sbuf) == -1) {
+ QT_CLOSE(fd);
+ return false;
}
-# if !defined(Q_OS_ANDROID) && !defined(Q_OS_BLACKBERRY) && !defined(Q_OS_MAC)
-# ifdef USE_ETC_OS_RELEASE
- if (readEtcOsRelease(v))
- return v;
-# endif
+ QByteArray buffer(sbuf.st_size, Qt::Uninitialized);
+ buffer.resize(QT_READ(fd, buffer.data(), sbuf.st_size));
+ QT_CLOSE(fd);
+
+ const char *ptr = buffer.constData();
+ const char *end = buffer.constEnd();
+ const char *eol;
+ for ( ; ptr != end; ptr = eol + 1) {
+ static const char idString[] = "ID=";
+ static const char prettyNameString[] = "PRETTY_NAME=";
+ static const char versionIdString[] = "VERSION_ID=";
+
+ // find the end of the line after ptr
+ eol = static_cast<const char *>(memchr(ptr, '\n', end - ptr));
+ if (!eol)
+ eol = end - 1;
+
+ // note: we're doing a binary search here, so comparison
+ // must always be sorted
+ int cmp = strncmp(ptr, idString, strlen(idString));
+ if (cmp < 0)
+ continue;
+ if (cmp == 0) {
+ ptr += strlen(idString);
+ v.productType = unquote(ptr, eol);
+ continue;
+ }
+
+ cmp = strncmp(ptr, prettyNameString, strlen(prettyNameString));
+ if (cmp < 0)
+ continue;
+ if (cmp == 0) {
+ ptr += strlen(prettyNameString);
+ v.prettyName = unquote(ptr, eol);
+ continue;
+ }
- if (!v.sysNameLower.isEmpty()) {
- // will produce "qnx_6.5" or "sunos_5.9"
- v.versionIdentifier = v.sysNameLower + QLatin1Char('_') + v.sysRelease;
+ cmp = strncmp(ptr, versionIdString, strlen(versionIdString));
+ if (cmp < 0)
+ continue;
+ if (cmp == 0) {
+ ptr += strlen(versionIdString);
+ v.productVersion = unquote(ptr, eol);
+ continue;
+ }
}
-# endif
- return v;
+ return true;
}
-#endif
+# endif // USE_ETC_OS_RELEASE
+#endif // Q_OS_UNIX
static QString unknownText()
{
return QStringLiteral("unknown");
}
-QString SubsurfaceSysInfo::cpuArchitecture()
+QString SubsurfaceSysInfo::buildCpuArchitecture()
{
return QStringLiteral(ARCH_PROCESSOR);
}
-QString SubsurfaceSysInfo::fullCpuArchitecture()
+QString SubsurfaceSysInfo::currentCpuArchitecture()
+{
+#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE)
+ // We don't need to catch all the CPU architectures in this function;
+ // only those where the host CPU might be different than the build target
+ // (usually, 64-bit platforms).
+ SYSTEM_INFO info;
+ GetNativeSystemInfo(&info);
+ switch (info.wProcessorArchitecture) {
+# ifdef PROCESSOR_ARCHITECTURE_AMD64
+ case PROCESSOR_ARCHITECTURE_AMD64:
+ return QStringLiteral("x86_64");
+# endif
+# ifdef PROCESSOR_ARCHITECTURE_IA32_ON_WIN64
+ case PROCESSOR_ARCHITECTURE_IA32_ON_WIN64:
+# endif
+ case PROCESSOR_ARCHITECTURE_IA64:
+ return QStringLiteral("ia64");
+ }
+#elif defined(Q_OS_UNIX)
+ long ret = -1;
+ struct utsname u;
+
+# if defined(Q_OS_SOLARIS)
+ // We need a special call for Solaris because uname(2) on x86 returns "i86pc" for
+ // both 32- and 64-bit CPUs. Reference:
+ // http://docs.oracle.com/cd/E18752_01/html/816-5167/sysinfo-2.html#REFMAN2sysinfo-2
+ // http://fxr.watson.org/fxr/source/common/syscall/systeminfo.c?v=OPENSOLARIS
+ // http://fxr.watson.org/fxr/source/common/conf/param.c?v=OPENSOLARIS;im=10#L530
+ if (ret == -1)
+ ret = sysinfo(SI_ARCHITECTURE_64, u.machine, sizeof u.machine);
+# endif
+
+ if (ret == -1)
+ ret = uname(&u);
+
+ // we could use detectUnixVersion() above, but we only need a field no other function does
+ if (ret != -1) {
+ // the use of QT_BUILD_INTERNAL here is simply to ensure all branches build
+ // as we don't often build on some of the less common platforms
+# if defined(Q_PROCESSOR_ARM) || defined(QT_BUILD_INTERNAL)
+ if (strcmp(u.machine, "aarch64") == 0)
+ return QStringLiteral("arm64");
+ if (strncmp(u.machine, "armv", 4) == 0)
+ return QStringLiteral("arm");
+# endif
+# if defined(Q_PROCESSOR_POWER) || defined(QT_BUILD_INTERNAL)
+ // harmonize "powerpc" and "ppc" to "power"
+ if (strncmp(u.machine, "ppc", 3) == 0)
+ return QLatin1String("power") + QLatin1String(u.machine + 3);
+ if (strncmp(u.machine, "powerpc", 7) == 0)
+ return QLatin1String("power") + QLatin1String(u.machine + 7);
+ if (strcmp(u.machine, "Power Macintosh") == 0)
+ return QLatin1String("power");
+# endif
+# if defined(Q_PROCESSOR_SPARC) || defined(QT_BUILD_INTERNAL)
+ // Solaris sysinfo(2) (above) uses "sparcv9", but uname -m says "sun4u";
+ // Linux says "sparc64"
+ if (strcmp(u.machine, "sun4u") == 0 || strcmp(u.machine, "sparc64") == 0)
+ return QStringLiteral("sparcv9");
+ if (strcmp(u.machine, "sparc32") == 0)
+ return QStringLiteral("sparc");
+# endif
+# if defined(Q_PROCESSOR_X86) || defined(QT_BUILD_INTERNAL)
+ // harmonize all "i?86" to "i386"
+ if (strlen(u.machine) == 4 && u.machine[0] == 'i'
+ && u.machine[2] == '8' && u.machine[3] == '6')
+ return QStringLiteral("i386");
+ if (strcmp(u.machine, "amd64") == 0) // Solaris
+ return QStringLiteral("x86_64");
+# endif
+ return QString::fromLatin1(u.machine);
+ }
+#endif
+ return buildCpuArchitecture();
+}
+
+
+QString SubsurfaceSysInfo::buildAbi()
{
return QLatin1String(ARCH_FULL);
}
-QString SubsurfaceSysInfo::osType()
+QString SubsurfaceSysInfo::kernelType()
+{
+#if defined(Q_OS_WINCE)
+ return QStringLiteral("wince");
+#elif defined(Q_OS_WIN)
+ return QStringLiteral("winnt");
+#elif defined(Q_OS_UNIX)
+ struct utsname u;
+ if (uname(&u) == 0)
+ return QString::fromLatin1(u.sysname).toLower();
+#endif
+ return unknownText();
+}
+
+QString SubsurfaceSysInfo::kernelVersion()
{
+#ifdef Q_OS_WINRT
+ // TBD
+ return QString();
+#elif defined(Q_OS_WIN)
+ const OSVERSIONINFO osver = winOsVersion();
+ return QString::number(int(osver.dwMajorVersion)) + QLatin1Char('.') + QString::number(int(osver.dwMinorVersion))
+ + QLatin1Char('.') + QString::number(int(osver.dwBuildNumber));
+#else
+ struct utsname u;
+ if (uname(&u) == 0)
+ return QString::fromLatin1(u.release);
+ return QString();
+#endif
+}
+
+QString SubsurfaceSysInfo::productType()
+{
+ // similar, but not identical to QFileSelectorPrivate::platformSelectors
#if defined(Q_OS_WINPHONE)
return QStringLiteral("winphone");
#elif defined(Q_OS_WINRT)
@@ -318,8 +454,6 @@ QString SubsurfaceSysInfo::osType()
#elif defined(Q_OS_ANDROID)
return QStringLiteral("android");
-#elif defined(Q_OS_LINUX)
- return QStringLiteral("linux");
#elif defined(Q_OS_IOS)
return QStringLiteral("ios");
@@ -328,31 +462,16 @@ QString SubsurfaceSysInfo::osType()
#elif defined(Q_OS_DARWIN)
return QStringLiteral("darwin");
-#elif defined(Q_OS_FREEBSD_KERNEL)
- return QStringLiteral("freebsd");
-#elif defined(Q_OS_UNIX)
- QUnixOSVersion unixOsVersion = detectUnixVersion();
- if (!unixOsVersion.sysNameLower.isEmpty())
- return unixOsVersion.sysNameLower;
+#elif defined(USE_ETC_OS_RELEASE) // Q_OS_UNIX
+ QUnixOSVersion unixOsVersion;
+ readEtcOsRelease(unixOsVersion);
+ if (!unixOsVersion.productType.isEmpty())
+ return unixOsVersion.productType;
#endif
return unknownText();
}
-QString SubsurfaceSysInfo::osKernelVersion()
-{
-#ifdef Q_OS_WINRT
- // TBD
- return QString();
-#elif defined(Q_OS_WIN)
- const OSVERSIONINFO osver = winOsVersion();
- return QString::number(int(osver.dwMajorVersion)) + QLatin1Char('.') + QString::number(int(osver.dwMinorVersion))
- + QLatin1Char('.') + QString::number(int(osver.dwBuildNumber));
-#else
- return detectUnixVersion().sysRelease;
-#endif
-}
-
-QString SubsurfaceSysInfo::osVersion()
+QString SubsurfaceSysInfo::productVersion()
{
#if defined(Q_OS_IOS)
int major = (int(MacintoshVersion) >> 4) & 0xf;
@@ -389,24 +508,34 @@ QString SubsurfaceSysInfo::osVersion()
deviceinfo_free_details(&deviceInfo);
return bbVersion;
}
-#elif defined(Q_OS_UNIX)
- QUnixOSVersion unixOsVersion = detectUnixVersion();
- if (!unixOsVersion.versionIdentifier.isEmpty())
- return unixOsVersion.versionIdentifier;
+#elif defined(USE_ETC_OS_RELEASE) // Q_OS_UNIX
+ QUnixOSVersion unixOsVersion;
+ readEtcOsRelease(unixOsVersion);
+ if (!unixOsVersion.productVersion.isEmpty())
+ return unixOsVersion.productVersion;
#endif
// fallback
return unknownText();
}
-QString SubsurfaceSysInfo::prettyOsName()
+QString SubsurfaceSysInfo::prettyProductName()
{
#if defined(Q_OS_IOS)
- return QLatin1String("iOS ") + osVersion();
+ return QLatin1String("iOS ") + productVersion();
#elif defined(Q_OS_OSX)
// get the known codenames
const char *basename = 0;
switch (int(MacintoshVersion)) {
+ case MV_CHEETAH:
+ case MV_PUMA:
+ case MV_JAGUAR:
+ case MV_PANTHER:
+ case MV_TIGER:
+ // This version of Qt does not run on those versions of OS X
+ // so this case label will never be reached
+ Q_UNREACHABLE();
+ break;
case MV_LEOPARD:
basename = "Mac OS X Leopard (";
break;
@@ -419,73 +548,53 @@ QString SubsurfaceSysInfo::prettyOsName()
case MV_MOUNTAINLION:
basename = "OS X Mountain Lion (";
break;
-#ifdef MV_MAVERICKS
case MV_MAVERICKS:
-#else
- case 0x000B: // MV_MAVERICKS
-#endif
basename = "OS X Mavericks (";
break;
-#ifdef MV_YOSEMITE
case MV_YOSEMITE:
-#else
- case 0x000C: // MV_YOSEMITE
-#endif
basename = "OS X Yosemite (";
break;
}
if (basename)
- return QLatin1String(basename) + osVersion() + QLatin1Char(')');
+ return QLatin1String(basename) + productVersion() + QLatin1Char(')');
// a future version of OS X
- return QLatin1String("OS X ") + osVersion();
+ return QLatin1String("OS X ") + productVersion();
#elif defined(Q_OS_WINPHONE)
return QLatin1String("Windows Phone ") + QLatin1String(winVer_helper());
#elif defined(Q_OS_WIN)
return QLatin1String("Windows ") + QLatin1String(winVer_helper());
#elif defined(Q_OS_ANDROID)
- return QLatin1String("Android ") + osVersion();
+ return QLatin1String("Android ") + productVersion();
#elif defined(Q_OS_BLACKBERRY)
- return QLatin1String("BlackBerry ") + osVersion();
+ return QLatin1String("BlackBerry ") + productVersion();
#elif defined(Q_OS_UNIX)
- QUnixOSVersion unixOsVersion = detectUnixVersion();
- if (unixOsVersion.versionText.isEmpty())
- return unixOsVersion.sysName;
- else
- return unixOsVersion.sysName + QLatin1String(" (") + unixOsVersion.versionText + QLatin1Char(')');
-#else
- return unknownText();
+# ifdef USE_ETC_OS_RELEASE
+ QUnixOSVersion unixOsVersion;
+ readEtcOsRelease(unixOsVersion);
+ if (!unixOsVersion.prettyName.isEmpty())
+ return unixOsVersion.prettyName;
+# endif
+ struct utsname u;
+ if (uname(&u) == 0)
+ return QString::fromLatin1(u.sysname) + QLatin1Char(' ') + QString::fromLatin1(u.release);
#endif
+ return unknownText();
}
-// detect if the OS we are running on is 64 or 32bit
-// we only care when building on Intel for 32bit
-QString SubsurfaceSysInfo::osArch()
+#endif // Qt >= 5.4
+
+QString SubsurfaceSysInfo::prettyOsName()
{
- QString res = "";
-#if defined(Q_PROCESSOR_X86_32)
-#if defined(Q_OS_UNIX)
+ // Matches the pre-release version of Qt 5.4
+ QString pretty = prettyProductName();
+#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC) && !defined(Q_OS_ANDROID)
+ // QSysInfo::kernelType() returns lowercase ("linux" instead of "Linux")
struct utsname u;
- if (uname(&u) != -1) {
- res = u.machine;
- }
-#elif defined(Q_OS_WIN)
-
- /* this code is from
- * http://mark.koli.ch/reliably-checking-os-bitness-32-or-64-bit-on-windows-with-a-tiny-c-app
- * there is no license given, but 5 lines of code should be fine to reuse unless explicitly forbidden */
- typedef BOOL (WINAPI *IW64PFP)(HANDLE, BOOL *);
- BOOL os64 = FALSE;
- IW64PFP IW64P = (IW64PFP)GetProcAddress(
- GetModuleHandle((LPCSTR)"kernel32"), "IsWow64Process");
-
- if(IW64P != NULL){
- IW64P(GetCurrentProcess(), &os64);
- }
- res = os64 ? "x86_64" : "i386";
-#endif
+ if (uname(&u) == 0)
+ return QString::fromLatin1(u.sysname) + QLatin1String(" (") + pretty + QLatin1Char(')');
#endif
- return res;
+ return pretty;
}
extern "C" {