diff options
Diffstat (limited to 'src/corelib/global')
-rw-r--r-- | src/corelib/global/qcompilerdetection.h | 5 | ||||
-rw-r--r-- | src/corelib/global/qglobal.cpp | 41 | ||||
-rw-r--r-- | src/corelib/global/qglobal.h | 7 | ||||
-rw-r--r-- | src/corelib/global/qprocessordetection.h | 9 |
4 files changed, 50 insertions, 12 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h index 173ada89de..c221115e8f 100644 --- a/src/corelib/global/qcompilerdetection.h +++ b/src/corelib/global/qcompilerdetection.h @@ -1246,6 +1246,11 @@ #else # define QT_HAS_INCLUDE_NEXT(x) 0 #endif +#ifdef __has_feature +# define QT_HAS_FEATURE(x) __has_feature(x) +#else +# define QT_HAS_FEATURE(x) 0 +#endif /* * Warning/diagnostic handling diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index ea9d207177..c2c9ea4e67 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -86,6 +86,12 @@ # include <sys/systeminfo.h> #endif +#if defined(Q_OS_DARWIN) +# include <mach/machine.h> +# include <sys/sysctl.h> +# include <sys/types.h> +#endif + #ifdef Q_OS_UNIX #include <sys/utsname.h> #include <private/qcore_unix_p.h> @@ -2484,6 +2490,20 @@ QString QSysInfo::currentCpuArchitecture() case PROCESSOR_ARCHITECTURE_IA64: return QStringLiteral("ia64"); } +#elif defined(Q_OS_DARWIN) + cpu_type_t type; + size_t size = sizeof(type); + sysctlbyname("hw.cputype", &type, &size, NULL, 0); + switch (type) { + case CPU_TYPE_X86: + return QStringLiteral("i386"); + case CPU_TYPE_X86_64: + return QStringLiteral("x86_64"); + case CPU_TYPE_ARM: + return QStringLiteral("arm"); + case CPU_TYPE_ARM64: + return QStringLiteral("arm64"); + } #elif defined(Q_OS_UNIX) long ret = -1; struct utsname u; @@ -3306,20 +3326,26 @@ bool qEnvironmentVariableIsEmpty(const char *varName) Q_DECL_NOEXCEPT Equivalent to \code - qgetenv(varName).toInt() + qgetenv(varName).toInt(ok, 0) \endcode except that it's much faster, and can't throw exceptions. + \note there's a limit on the length of the value, which is sufficient for + all valid values of int, not counting leading zeroes or spaces. Values that + are too long will either be truncated or this function will set \a ok to \c + false. + \sa qgetenv(), qEnvironmentVariableIsSet() */ int qEnvironmentVariableIntValue(const char *varName, bool *ok) Q_DECL_NOEXCEPT { - QMutexLocker locker(&environmentMutex); -#if defined(_MSC_VER) && _MSC_VER >= 1400 - // we provide a buffer that can hold any int value: static const int NumBinaryDigitsPerOctalDigit = 3; static const int MaxDigitsForOctalInt = (std::numeric_limits<uint>::digits + NumBinaryDigitsPerOctalDigit - 1) / NumBinaryDigitsPerOctalDigit; + + QMutexLocker locker(&environmentMutex); +#if defined(_MSC_VER) && _MSC_VER >= 1400 + // we provide a buffer that can hold any int value: char buffer[MaxDigitsForOctalInt + 2]; // +1 for NUL +1 for optional '-' size_t dummy; if (getenv_s(&dummy, buffer, sizeof buffer, varName) != 0) { @@ -3329,15 +3355,16 @@ int qEnvironmentVariableIntValue(const char *varName, bool *ok) Q_DECL_NOEXCEPT } #else const char * const buffer = ::getenv(varName); - if (!buffer || !*buffer) { + if (!buffer || strlen(buffer) > MaxDigitsForOctalInt + 2) { if (ok) *ok = false; return 0; } #endif bool ok_ = true; - const qlonglong value = qstrtoll(buffer, Q_NULLPTR, 0, &ok_); - if (int(value) != value) { // this is the check in QByteArray::toInt(), keep it in sync + const char *endptr; + const qlonglong value = qstrtoll(buffer, &endptr, 0, &ok_); + if (int(value) != value || *endptr != '\0') { // this is the check in QByteArray::toInt(), keep it in sync if (ok) *ok = false; return 0; diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h index cfc6ef8b16..0628b524fb 100644 --- a/src/corelib/global/qglobal.h +++ b/src/corelib/global/qglobal.h @@ -647,7 +647,12 @@ inline void qt_noop(void) {} */ #if !defined(QT_NO_EXCEPTIONS) -# if defined(QT_BOOTSTRAPPED) || (defined(Q_CC_GNU) && !defined (__EXCEPTIONS) && !defined(Q_MOC_RUN)) +# if !defined(Q_MOC_RUN) +# if (defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) && !QT_HAS_FEATURE(cxx_exceptions)) || \ + (defined(Q_CC_GNU) && !defined(__EXCEPTIONS)) +# define QT_NO_EXCEPTIONS +# endif +# elif defined(QT_BOOTSTRAPPED) # define QT_NO_EXCEPTIONS # endif #endif diff --git a/src/corelib/global/qprocessordetection.h b/src/corelib/global/qprocessordetection.h index ed11e013f2..0b260d01e3 100644 --- a/src/corelib/global/qprocessordetection.h +++ b/src/corelib/global/qprocessordetection.h @@ -94,8 +94,8 @@ ARM is bi-endian, detect using __ARMEL__ or __ARMEB__, falling back to auto-detection implemented below. */ -#if defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM) || defined(__aarch64__) -# if defined(__aarch64__) +#if defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_M_ARM) || defined(__aarch64__) || defined(__ARM64__) +# if defined(__aarch64__) || defined(__ARM64__) # define Q_PROCESSOR_ARM_64 # define Q_PROCESSOR_WORDSIZE 8 # else @@ -109,7 +109,8 @@ # define Q_PROCESSOR_ARM _M_ARM # elif defined(__ARM64_ARCH_8__) \ || defined(__aarch64__) \ - || defined(__CORE_CORTEXAV8__) // GHS-specific for INTEGRITY + || defined(__ARMv8__) \ + || defined(__ARMv8_A__) # define Q_PROCESSOR_ARM 8 # elif defined(__ARM_ARCH_7__) \ || defined(__ARM_ARCH_7A__) \ @@ -117,7 +118,7 @@ || defined(__ARM_ARCH_7M__) \ || defined(__ARM_ARCH_7S__) \ || defined(_ARM_ARCH_7) \ - || defined(__CORE_CORTEXA__) // GHS-specific for INTEGRITY + || defined(__CORE_CORTEXA__) # define Q_PROCESSOR_ARM 7 # elif defined(__ARM_ARCH_6__) \ || defined(__ARM_ARCH_6J__) \ |