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-rw-r--r--src/corelib/global/qendian.h12
-rw-r--r--src/corelib/global/qglobal.cpp4
-rw-r--r--src/corelib/io/qstandardpaths_unix.cpp48
-rw-r--r--src/corelib/tools/qsharedpointer_impl.h51
4 files changed, 54 insertions, 61 deletions
diff --git a/src/corelib/global/qendian.h b/src/corelib/global/qendian.h
index 615f523888..5cd9d3160b 100644
--- a/src/corelib/global/qendian.h
+++ b/src/corelib/global/qendian.h
@@ -327,9 +327,9 @@ public:
return pre;
}
- static constexpr QSpecialInteger max()
+ static Q_DECL_CONSTEXPR QSpecialInteger max()
{ return QSpecialInteger(std::numeric_limits<T>::max()); }
- static constexpr QSpecialInteger min()
+ static Q_DECL_CONSTEXPR QSpecialInteger min()
{ return QSpecialInteger(std::numeric_limits<T>::min()); }
};
@@ -373,8 +373,8 @@ public:
QLEInteger &operator ++(int);
QLEInteger &operator --(int);
- static constexpr QLEInteger max();
- static constexpr QLEInteger min();
+ static Q_DECL_CONSTEXPR QLEInteger max();
+ static Q_DECL_CONSTEXPR QLEInteger min();
};
template<typename T>
@@ -400,8 +400,8 @@ public:
QBEInteger &operator ++(int);
QBEInteger &operator --(int);
- static constexpr QBEInteger max();
- static constexpr QBEInteger min();
+ static Q_DECL_CONSTEXPR QBEInteger max();
+ static Q_DECL_CONSTEXPR QBEInteger min();
};
#else
diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp
index 6ae5bf299a..4ab5bd2edb 100644
--- a/src/corelib/global/qglobal.cpp
+++ b/src/corelib/global/qglobal.cpp
@@ -114,8 +114,8 @@ extern "C" {
// without full system POSIX.
# pragma weak shm_area_password
# pragma weak shm_area_name
- char *shm_area_password = "dummy";
- char *shm_area_name = "dummy";
+ char shm_area_password[] = "dummy";
+ char shm_area_name[] = "dummy";
}
#endif
diff --git a/src/corelib/io/qstandardpaths_unix.cpp b/src/corelib/io/qstandardpaths_unix.cpp
index c35d7adc9f..5f4955c53f 100644
--- a/src/corelib/io/qstandardpaths_unix.cpp
+++ b/src/corelib/io/qstandardpaths_unix.cpp
@@ -142,36 +142,45 @@ QString QStandardPaths::writableLocation(StandardLocation type)
}
case RuntimeLocation:
{
- const uint myUid = uint(geteuid());
// http://standards.freedesktop.org/basedir-spec/latest/
+ const uint myUid = uint(geteuid());
+ // since the current user is the owner, set both xxxUser and xxxOwner
+ const QFile::Permissions wantedPerms = QFile::ReadUser | QFile::WriteUser | QFile::ExeUser
+ | QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner;
QFileInfo fileInfo;
QString xdgRuntimeDir = QFile::decodeName(qgetenv("XDG_RUNTIME_DIR"));
if (xdgRuntimeDir.isEmpty()) {
const QString userName = QFileSystemEngine::resolveUserName(myUid);
xdgRuntimeDir = QDir::tempPath() + QLatin1String("/runtime-") + userName;
fileInfo.setFile(xdgRuntimeDir);
- if (!fileInfo.isDir()) {
- if (!QDir().mkdir(xdgRuntimeDir)) {
- qErrnoWarning("QStandardPaths: error creating runtime directory %ls",
- qUtf16Printable(xdgRuntimeDir));
- return QString();
- }
- }
#ifndef Q_OS_WASM
qWarning("QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '%ls'", qUtf16Printable(xdgRuntimeDir));
#endif
} else {
fileInfo.setFile(xdgRuntimeDir);
- if (!fileInfo.exists()) {
- qWarning("QStandardPaths: XDG_RUNTIME_DIR points to non-existing path '%ls', "
- "please create it with 0700 permissions.", qUtf16Printable(xdgRuntimeDir));
- return QString();
- }
+ }
+ if (fileInfo.exists()) {
if (!fileInfo.isDir()) {
qWarning("QStandardPaths: XDG_RUNTIME_DIR points to '%ls' which is not a directory",
qUtf16Printable(xdgRuntimeDir));
return QString();
}
+ } else {
+ QFileSystemEntry entry(xdgRuntimeDir);
+ if (!QFileSystemEngine::createDirectory(entry, false)) {
+ if (errno != EEXIST) {
+ qErrnoWarning("QStandardPaths: error creating runtime directory %ls",
+ qUtf16Printable(xdgRuntimeDir));
+ return QString();
+ }
+ } else {
+ QSystemError error;
+ if (!QFileSystemEngine::setPermissions(entry, wantedPerms, error)) {
+ qWarning("QStandardPaths: could not set correct permissions on runtime directory %ls: %ls",
+ qUtf16Printable(xdgRuntimeDir), qUtf16Printable(error.toString()));
+ return QString();
+ }
+ }
}
// "The directory MUST be owned by the user"
if (fileInfo.ownerId() != myUid) {
@@ -181,17 +190,12 @@ QString QStandardPaths::writableLocation(StandardLocation type)
return QString();
}
// "and he MUST be the only one having read and write access to it. Its Unix access mode MUST be 0700."
- // since the current user is the owner, set both xxxUser and xxxOwner
- const QFile::Permissions wantedPerms = QFile::ReadUser | QFile::WriteUser | QFile::ExeUser
- | QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner;
if (fileInfo.permissions() != wantedPerms) {
- QFile file(xdgRuntimeDir);
- if (!file.setPermissions(wantedPerms)) {
- qWarning("QStandardPaths: could not set correct permissions on runtime directory %ls: %ls",
- qUtf16Printable(xdgRuntimeDir), qUtf16Printable(file.errorString()));
- return QString();
- }
+ qWarning("QStandardPaths: wrong permissions on runtime directory %ls, %x instead of %x",
+ qUtf16Printable(xdgRuntimeDir), uint(fileInfo.permissions()), uint(wantedPerms));
+ return QString();
}
+
return xdgRuntimeDir;
}
default:
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 198cc58c38..362d57fb9a 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -71,21 +71,6 @@ QT_END_NAMESPACE
QT_BEGIN_NAMESPACE
-
-// Macro QSHAREDPOINTER_VERIFY_AUTO_CAST
-// generates a compiler error if the following construct isn't valid:
-// T *ptr1;
-// X *ptr2 = ptr1;
-//
-#ifdef QT_NO_DEBUG
-# define QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X) qt_noop()
-#else
-
-template<typename T> inline void qt_sharedpointer_cast_check(T *) { }
-# define QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X) \
- qt_sharedpointer_cast_check<T>(static_cast<X *>(0))
-#endif
-
//
// forward declarations
//
@@ -299,6 +284,9 @@ template <class T> class QSharedPointer
{
typedef T *QSharedPointer:: *RestrictedBool;
typedef QtSharedPointer::ExternalRefCountData Data;
+ template <typename X>
+ using IfCompatible = typename std::enable_if<std::is_convertible<X*, T*>::value, bool>::type;
+
public:
typedef T Type;
typedef T element_type;
@@ -322,11 +310,11 @@ public:
Q_DECL_CONSTEXPR QSharedPointer(std::nullptr_t) noexcept : value(nullptr), d(nullptr) { }
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline explicit QSharedPointer(X *ptr) : value(ptr) // noexcept
{ internalConstruct(ptr, QtSharedPointer::NormalDeleter()); }
- template <class X, typename Deleter>
+ template <class X, typename Deleter, IfCompatible<X> = true>
inline QSharedPointer(X *ptr, Deleter deleter) : value(ptr) // throws
{ internalConstruct(ptr, deleter); }
@@ -354,7 +342,7 @@ public:
return *this;
}
- template <class X>
+ template <class X, IfCompatible<X> = true>
QSharedPointer(QSharedPointer<X> &&other) noexcept
: value(other.value), d(other.d)
{
@@ -362,7 +350,7 @@ public:
other.value = nullptr;
}
- template <class X>
+ template <class X, IfCompatible<X> = true>
QSharedPointer &operator=(QSharedPointer<X> &&other) noexcept
{
QSharedPointer moved(std::move(other));
@@ -370,11 +358,11 @@ public:
return *this;
}
- template <class X>
+ template <class X, IfCompatible<X> = true>
QSharedPointer(const QSharedPointer<X> &other) noexcept : value(other.value), d(other.d)
{ if (d) ref(); }
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QSharedPointer &operator=(const QSharedPointer<X> &other)
{
QSharedPointer copy(other);
@@ -382,11 +370,11 @@ public:
return *this;
}
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QSharedPointer(const QWeakPointer<X> &other) : value(nullptr), d(nullptr)
{ *this = other; }
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QSharedPointer<T> &operator=(const QWeakPointer<X> &other)
{ internalSet(other.d, other.value); return *this; }
@@ -556,6 +544,8 @@ class QWeakPointer
{
typedef T *QWeakPointer:: *RestrictedBool;
typedef QtSharedPointer::ExternalRefCountData Data;
+ template <typename X>
+ using IfCompatible = typename std::enable_if<std::is_convertible<X*, T*>::value, bool>::type;
public:
typedef T element_type;
@@ -581,14 +571,14 @@ public:
#ifndef QT_NO_QOBJECT
// special constructor that is enabled only if X derives from QObject
#if QT_DEPRECATED_SINCE(5, 0)
- template <class X>
+ template <class X, IfCompatible<X> = true>
QT_DEPRECATED inline QWeakPointer(X *ptr) : d(ptr ? Data::getAndRef(ptr) : nullptr), value(ptr)
{ }
#endif
#endif
#if QT_DEPRECATED_SINCE(5, 0)
- template <class X>
+ template <class X, IfCompatible<X> = true>
QT_DEPRECATED inline QWeakPointer &operator=(X *ptr)
{ return *this = QWeakPointer(ptr); }
#endif
@@ -624,11 +614,11 @@ public:
return *this;
}
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QWeakPointer(const QWeakPointer<X> &o) : d(nullptr), value(nullptr)
{ *this = o; }
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QWeakPointer &operator=(const QWeakPointer<X> &o)
{
// conversion between X and T could require access to the virtual table
@@ -645,14 +635,13 @@ public:
bool operator!=(const QWeakPointer<X> &o) const noexcept
{ return !(*this == o); }
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QWeakPointer(const QSharedPointer<X> &o) : d(nullptr), value(nullptr)
{ *this = o; }
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QWeakPointer &operator=(const QSharedPointer<X> &o)
{
- QSHAREDPOINTER_VERIFY_AUTO_CAST(T, X); // if you get an error in this line, the cast is invalid
internalSet(o.d, o.data());
return *this;
}
@@ -689,7 +678,7 @@ public:
{ return *this = QWeakPointer<X>(ptr, true); }
#ifndef QT_NO_QOBJECT
- template <class X>
+ template <class X, IfCompatible<X> = true>
inline QWeakPointer(X *ptr, bool) : d(ptr ? Data::getAndRef(ptr) : nullptr), value(ptr)
{ }
#endif