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-rw-r--r--src/corelib/io/qabstractfileengine.cpp13
-rw-r--r--src/corelib/io/qabstractfileengine_p.h1
-rw-r--r--src/corelib/io/qdatastream.cpp1
-rw-r--r--src/corelib/io/qdatastream.h5
-rw-r--r--src/corelib/io/qdebug.cpp15
-rw-r--r--src/corelib/io/qdebug.h3
-rw-r--r--src/corelib/io/qfile.cpp45
-rw-r--r--src/corelib/io/qfilesystemengine_unix.cpp18
-rw-r--r--src/corelib/io/qfilesystemengine_win.cpp52
-rw-r--r--src/corelib/io/qfsfileengine.cpp13
-rw-r--r--src/corelib/io/qfsfileengine_p.h1
-rw-r--r--src/corelib/io/qfsfileengine_unix.cpp113
-rw-r--r--src/corelib/io/qfsfileengine_win.cpp9
-rw-r--r--src/corelib/io/qprocess.cpp71
-rw-r--r--src/corelib/io/qprocess.h1
-rw-r--r--src/corelib/io/qprocess_p.h5
-rw-r--r--src/corelib/io/qprocess_unix.cpp105
-rw-r--r--src/corelib/io/qprocess_win.cpp41
-rw-r--r--src/corelib/io/qresource.cpp50
-rw-r--r--src/corelib/io/qsettings.cpp2
-rw-r--r--src/corelib/io/qsettings_p.h2
-rw-r--r--src/corelib/io/qtemporaryfile_p.h2
-rw-r--r--src/corelib/io/qtldurl.cpp42
23 files changed, 320 insertions, 290 deletions
diff --git a/src/corelib/io/qabstractfileengine.cpp b/src/corelib/io/qabstractfileengine.cpp
index 9606ec68e9..5f1f7e381e 100644
--- a/src/corelib/io/qabstractfileengine.cpp
+++ b/src/corelib/io/qabstractfileengine.cpp
@@ -832,6 +832,19 @@ bool QAbstractFileEngine::unmap(uchar *address)
}
/*!
+ \since 5.10
+
+ Copies the contents from the file specified by \a sourceHandle to this file
+ by cloning it.
+ Returns \c true on success; otherwise, \c false is returned.
+ */
+bool QAbstractFileEngine::clone(int sourceHandle)
+{
+ Q_UNUSED(sourceHandle);
+ return false;
+}
+
+/*!
\since 4.3
\class QAbstractFileEngineIterator
\inmodule QtCore
diff --git a/src/corelib/io/qabstractfileengine_p.h b/src/corelib/io/qabstractfileengine_p.h
index 48b3dec324..dbf0d77b15 100644
--- a/src/corelib/io/qabstractfileengine_p.h
+++ b/src/corelib/io/qabstractfileengine_p.h
@@ -147,6 +147,7 @@ public:
virtual QDateTime fileTime(FileTime time) const;
virtual void setFileName(const QString &file);
virtual int handle() const;
+ virtual bool clone(int sourceHandle);
bool atEnd() const;
uchar *map(qint64 offset, qint64 size, QFile::MemoryMapFlags flags);
bool unmap(uchar *ptr);
diff --git a/src/corelib/io/qdatastream.cpp b/src/corelib/io/qdatastream.cpp
index 2369fe4726..58e2500057 100644
--- a/src/corelib/io/qdatastream.cpp
+++ b/src/corelib/io/qdatastream.cpp
@@ -562,6 +562,7 @@ void QDataStream::setByteOrder(ByteOrder bo)
\value Qt_5_7 Same as Qt_5_6
\value Qt_5_8 Same as Qt_5_6
\value Qt_5_9 Same as Qt_5_6
+ \value Qt_5_10 Same as Qt_5_6
\omitvalue Qt_DefaultCompiledVersion
\sa setVersion(), version()
diff --git a/src/corelib/io/qdatastream.h b/src/corelib/io/qdatastream.h
index db1bbfbd63..993a20fcd3 100644
--- a/src/corelib/io/qdatastream.h
+++ b/src/corelib/io/qdatastream.h
@@ -96,10 +96,11 @@ public:
Qt_5_7 = Qt_5_6,
Qt_5_8 = Qt_5_7,
Qt_5_9 = Qt_5_8,
-#if QT_VERSION >= 0x050a00
+ Qt_5_10 = Qt_5_9,
+#if QT_VERSION >= 0x050b00
#error Add the datastream version for this Qt version and update Qt_DefaultCompiledVersion
#endif
- Qt_DefaultCompiledVersion = Qt_5_9
+ Qt_DefaultCompiledVersion = Qt_5_10
};
enum ByteOrder {
diff --git a/src/corelib/io/qdebug.cpp b/src/corelib/io/qdebug.cpp
index be33ec2d23..341400fd93 100644
--- a/src/corelib/io/qdebug.cpp
+++ b/src/corelib/io/qdebug.cpp
@@ -648,6 +648,21 @@ QDebug &QDebug::resetFormat()
*/
/*!
+ \since 5.10
+ \fn QDebug &QDebug::operator<<(QStringView s)
+
+ Writes the string view, \a s, to the stream and returns a reference to the
+ stream. Normally, QDebug prints the string inside quotes and transforms
+ non-printable characters to their Unicode values (\\u1234).
+
+ To print non-printable characters without transformation, enable the
+ noquote() functionality. Note that some QDebug backends might not be 8-bit
+ clean.
+
+ See the QString overload for examples.
+*/
+
+/*!
\fn QDebug &QDebug::operator<<(QLatin1String s)
Writes the string, \a s, to the stream and returns a reference to the
diff --git a/src/corelib/io/qdebug.h b/src/corelib/io/qdebug.h
index 61059dd694..d5f32a6efd 100644
--- a/src/corelib/io/qdebug.h
+++ b/src/corelib/io/qdebug.h
@@ -151,8 +151,11 @@ public:
inline QDebug &operator<<(float t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(double t) { stream->ts << t; return maybeSpace(); }
inline QDebug &operator<<(const char* t) { stream->ts << QString::fromUtf8(t); return maybeSpace(); }
+#if QT_STRINGVIEW_LEVEL < 2
inline QDebug &operator<<(const QString & t) { putString(t.constData(), uint(t.length())); return maybeSpace(); }
inline QDebug &operator<<(const QStringRef & t) { putString(t.constData(), uint(t.length())); return maybeSpace(); }
+#endif
+ inline QDebug &operator<<(QStringView s) { putString(s.data(), size_t(s.size())); return maybeSpace(); }
inline QDebug &operator<<(QLatin1String t) { putByteArray(t.latin1(), t.size(), ContainsLatin1); return maybeSpace(); }
inline QDebug &operator<<(const QByteArray & t) { putByteArray(t.constData(), t.size(), ContainsBinary); return maybeSpace(); }
inline QDebug &operator<<(const void * t) { stream->ts << t; return maybeSpace(); }
diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp
index 41fae69bb2..c19cb92715 100644
--- a/src/corelib/io/qfile.cpp
+++ b/src/corelib/io/qfile.cpp
@@ -42,6 +42,7 @@
#include "qfile.h"
#include "qfsfileengine_p.h"
#include "qtemporaryfile.h"
+#include "qtemporaryfile_p.h"
#include "qlist.h"
#include "qfileinfo.h"
#include "private/qiodevice_p.h"
@@ -790,25 +791,27 @@ QFile::copy(const QString &newName)
close();
d->setError(QFile::CopyError, tr("Cannot open for output"));
} else {
- char block[4096];
- qint64 totalRead = 0;
- while(!atEnd()) {
- qint64 in = read(block, sizeof(block));
- if (in <= 0)
- break;
- totalRead += in;
- if(in != out.write(block, in)) {
- close();
- d->setError(QFile::CopyError, tr("Failure to write block"));
- error = true;
- break;
+ if (!out.d_func()->engine()->clone(d->engine()->handle())) {
+ char block[4096];
+ qint64 totalRead = 0;
+ while (!atEnd()) {
+ qint64 in = read(block, sizeof(block));
+ if (in <= 0)
+ break;
+ totalRead += in;
+ if (in != out.write(block, in)) {
+ close();
+ d->setError(QFile::CopyError, tr("Failure to write block"));
+ error = true;
+ break;
+ }
}
- }
- if (totalRead != size()) {
- // Unable to read from the source. The error string is
- // already set from read().
- error = true;
+ if (totalRead != size()) {
+ // Unable to read from the source. The error string is
+ // already set from read().
+ error = true;
+ }
}
if (!error && !out.rename(newName)) {
error = true;
@@ -953,7 +956,9 @@ bool QFile::open(FILE *fh, OpenMode mode, FileHandleFlags handleFlags)
qWarning("QFile::open: File access not specified");
return false;
}
- if (d->openExternalFile(mode, fh, handleFlags)) {
+
+ // QIODevice provides the buffering, so request unbuffered file engines
+ if (d->openExternalFile(mode | Unbuffered, fh, handleFlags)) {
QIODevice::open(mode);
if (!(mode & Append) && !isSequential()) {
qint64 pos = (qint64)QT_FTELL(fh);
@@ -1009,7 +1014,9 @@ bool QFile::open(int fd, OpenMode mode, FileHandleFlags handleFlags)
qWarning("QFile::open: File access not specified");
return false;
}
- if (d->openExternalFile(mode, fd, handleFlags)) {
+
+ // QIODevice provides the buffering, so request unbuffered file engines
+ if (d->openExternalFile(mode | Unbuffered, fd, handleFlags)) {
QIODevice::open(mode);
if (!(mode & Append) && !isSequential()) {
qint64 pos = (qint64)QT_LSEEK(fd, QT_OFF_T(0), SEEK_CUR);
diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp
index 3cb412e47c..b8dca93f61 100644
--- a/src/corelib/io/qfilesystemengine_unix.cpp
+++ b/src/corelib/io/qfilesystemengine_unix.cpp
@@ -42,6 +42,7 @@
#include "qfilesystemengine_p.h"
#include "qfile.h"
+#include <QtCore/qoperatingsystemversion.h>
#include <QtCore/qvarlengtharray.h>
#include <stdlib.h> // for realpath()
@@ -66,6 +67,9 @@
#endif
#if defined(Q_OS_DARWIN)
+# if QT_DARWIN_PLATFORM_SDK_EQUAL_OR_ABOVE(101200, 100000, 100000, 30000)
+# include <sys/clonefile.h>
+# endif
// We cannot include <Foundation/Foundation.h> (it's an Objective-C header), but
// we need these declarations:
Q_FORWARD_DECLARE_OBJC_CLASS(NSString);
@@ -659,8 +663,22 @@ bool QFileSystemEngine::createLink(const QFileSystemEntry &source, const QFileSy
//static
bool QFileSystemEngine::copyFile(const QFileSystemEntry &source, const QFileSystemEntry &target, QSystemError &error)
{
+#if QT_DARWIN_PLATFORM_SDK_EQUAL_OR_ABOVE(101200, 100000, 100000, 30000)
+ const auto current = QOperatingSystemVersion::current();
+ if (current >= QOperatingSystemVersion::MacOSSierra ||
+ current >= QOperatingSystemVersion(QOperatingSystemVersion::IOS, 10) ||
+ current >= QOperatingSystemVersion(QOperatingSystemVersion::TvOS, 10) ||
+ current >= QOperatingSystemVersion(QOperatingSystemVersion::WatchOS, 3)) {
+ if (::clonefile(source.nativeFilePath().constData(),
+ target.nativeFilePath().constData(), 0) == 0)
+ return true;
+ error = QSystemError(errno, QSystemError::StandardLibraryError);
+ return false;
+ }
+#else
Q_UNUSED(source);
Q_UNUSED(target);
+#endif
error = QSystemError(ENOSYS, QSystemError::StandardLibraryError); //Function not implemented
return false;
}
diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp
index b1e218de9c..d95a6de777 100644
--- a/src/corelib/io/qfilesystemengine_win.cpp
+++ b/src/corelib/io/qfilesystemengine_win.cpp
@@ -48,7 +48,6 @@
#include "qfile.h"
#include "qdir.h"
-#include "private/qmutexpool_p.h"
#include "qvarlengtharray.h"
#include "qdatetime.h"
#include "qt_windows.h"
@@ -179,6 +178,7 @@ static TRUSTEE_W worldTrusteeW;
static PSID currentUserSID = 0;
static PSID worldSID = 0;
+namespace {
/*
Deletes the allocated SIDs during global static cleanup
*/
@@ -202,25 +202,10 @@ SidCleanup::~SidCleanup()
Q_GLOBAL_STATIC(SidCleanup, initSidCleanup)
-static void resolveLibs()
+struct LibResolver
{
- static bool triedResolve = false;
- if (!triedResolve) {
- // need to resolve the security info functions
-
- // protect initialization
-#ifndef QT_NO_THREAD
- QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
- // check triedResolve again, since another thread may have already
- // done the initialization
- if (triedResolve) {
- // another thread did initialize the security function pointers,
- // so we shouldn't do it again.
- return;
- }
-#endif
-
- triedResolve = true;
+ LibResolver()
+ {
HINSTANCE advapiHnd = QSystemLibrary::load(L"advapi32");
if (advapiHnd) {
ptrGetNamedSecurityInfoW = (PtrGetNamedSecurityInfoW)GetProcAddress(advapiHnd, "GetNamedSecurityInfoW");
@@ -267,9 +252,13 @@ static void resolveLibs()
if (userenvHnd)
ptrGetUserProfileDirectoryW = (PtrGetUserProfileDirectoryW)GetProcAddress(userenvHnd, "GetUserProfileDirectoryW");
}
-}
+};
+Q_GLOBAL_STATIC(LibResolver, resolveLibs)
+
+} // anonymous namespace
#endif // QT_CONFIG(fslibs)
+QT_BEGIN_INCLUDE_NAMESPACE
typedef DWORD (WINAPI *PtrNetShareEnum)(LPWSTR, DWORD, LPBYTE*, DWORD, LPDWORD, LPDWORD, LPDWORD);
static PtrNetShareEnum ptrNetShareEnum = 0;
typedef DWORD (WINAPI *PtrNetApiBufferFree)(LPVOID);
@@ -279,19 +268,13 @@ typedef struct _SHARE_INFO_1 {
DWORD shi1_type;
LPWSTR shi1_remark;
} SHARE_INFO_1;
+QT_END_INCLUDE_NAMESPACE
-
-static bool resolveUNCLibs()
+namespace {
+struct UNCLibResolver
{
- static bool triedResolve = false;
- if (!triedResolve) {
-#ifndef QT_NO_THREAD
- QMutexLocker locker(QMutexPool::globalInstanceGet(&triedResolve));
- if (triedResolve) {
- return ptrNetShareEnum && ptrNetApiBufferFree;
- }
-#endif
- triedResolve = true;
+ UNCLibResolver()
+ {
#if !defined(Q_OS_WINRT)
HINSTANCE hLib = QSystemLibrary::load(L"Netapi32");
if (hLib) {
@@ -301,6 +284,13 @@ static bool resolveUNCLibs()
}
#endif // !Q_OS_WINRT
}
+};
+Q_GLOBAL_STATIC(UNCLibResolver, uncLibResolver)
+} // anonymous namespace
+
+static bool resolveUNCLibs()
+{
+ uncLibResolver();
return ptrNetShareEnum && ptrNetApiBufferFree;
}
diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index 0b9cd0557f..e5f7e5b418 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -195,6 +195,9 @@ void QFSFileEngine::setFileName(const QString &file)
*/
bool QFSFileEngine::open(QIODevice::OpenMode openMode)
{
+ Q_ASSERT_X(openMode & QIODevice::Unbuffered, "QFSFileEngine::open",
+ "QFSFileEngine no longer supports buffered mode; upper layer must buffer");
+
Q_D(QFSFileEngine);
if (d->fileEntry.isEmpty()) {
qWarning("QFSFileEngine::open: No file name specified");
@@ -230,6 +233,9 @@ bool QFSFileEngine::open(QIODevice::OpenMode openMode, FILE *fh)
bool QFSFileEngine::open(QIODevice::OpenMode openMode, FILE *fh, QFile::FileHandleFlags handleFlags)
{
+ Q_ASSERT_X(openMode & QIODevice::Unbuffered, "QFSFileEngine::open",
+ "QFSFileEngine no longer supports buffered mode; upper layer must buffer");
+
Q_D(QFSFileEngine);
// Append implies WriteOnly.
@@ -255,6 +261,9 @@ bool QFSFileEngine::open(QIODevice::OpenMode openMode, FILE *fh, QFile::FileHand
*/
bool QFSFileEnginePrivate::openFh(QIODevice::OpenMode openMode, FILE *fh)
{
+ Q_ASSERT_X(openMode & QIODevice::Unbuffered, "QFSFileEngine::open",
+ "QFSFileEngine no longer supports buffered mode; upper layer must buffer");
+
Q_Q(QFSFileEngine);
this->fh = fh;
fd = -1;
@@ -860,9 +869,9 @@ bool QFSFileEngine::supportsExtension(Extension extension) const
/*! \fn bool QFSFileEngine::copy(const QString &copyName)
- For windows, copy the file to file \a copyName.
+ For Windows or Apple platforms, copy the file to file \a copyName.
- Not implemented for Unix.
+ Not implemented for other Unix platforms.
*/
/*! \fn QString QFSFileEngine::currentPath(const QString &fileName)
diff --git a/src/corelib/io/qfsfileengine_p.h b/src/corelib/io/qfsfileengine_p.h
index 593ecc2687..742cebad87 100644
--- a/src/corelib/io/qfsfileengine_p.h
+++ b/src/corelib/io/qfsfileengine_p.h
@@ -108,6 +108,7 @@ public:
qint64 read(char *data, qint64 maxlen) Q_DECL_OVERRIDE;
qint64 readLine(char *data, qint64 maxlen) Q_DECL_OVERRIDE;
qint64 write(const char *data, qint64 len) Q_DECL_OVERRIDE;
+ bool clone(int sourceHandle) override;
bool extension(Extension extension, const ExtensionOption *option = 0, ExtensionReturn *output = 0) Q_DECL_OVERRIDE;
bool supportsExtension(Extension extension) const Q_DECL_OVERRIDE;
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index e152b035e2..51938d6967 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -65,46 +65,6 @@ QT_BEGIN_NAMESPACE
/*!
\internal
- Returns the stdlib open string corresponding to a QIODevice::OpenMode.
-*/
-static inline QByteArray openModeToFopenMode(QIODevice::OpenMode flags, const QFileSystemEntry &fileEntry,
- QFileSystemMetaData &metaData)
-{
- QByteArray mode;
- if ((flags & QIODevice::ReadOnly) && !(flags & QIODevice::Truncate)) {
- mode = "rb";
- if (flags & QIODevice::WriteOnly) {
- metaData.clearFlags(QFileSystemMetaData::FileType);
- if (!fileEntry.isEmpty()
- && QFileSystemEngine::fillMetaData(fileEntry, metaData, QFileSystemMetaData::FileType)
- && metaData.isFile()) {
- mode += '+';
- } else {
- mode = "wb+";
- }
- }
- } else if (flags & QIODevice::WriteOnly) {
- mode = "wb";
- if (flags & QIODevice::ReadOnly)
- mode += '+';
- }
- if (flags & QIODevice::Append) {
- mode = "ab";
- if (flags & QIODevice::ReadOnly)
- mode += '+';
- }
-
-#if defined(__GLIBC__) && (__GLIBC__ * 0x100 + __GLIBC_MINOR__) >= 0x0207
- // must be glibc >= 2.7
- mode += 'e';
-#endif
-
- return mode;
-}
-
-/*!
- \internal
-
Returns the stdio open flags corresponding to a QIODevice::OpenMode.
*/
static inline int openModeToOpenFlags(QIODevice::OpenMode mode)
@@ -130,17 +90,6 @@ static inline int openModeToOpenFlags(QIODevice::OpenMode mode)
return oflags;
}
-/*!
- \internal
-
- Sets the file descriptor to close on exec. That is, the file
- descriptor is not inherited by child processes.
-*/
-static inline bool setCloseOnExec(int fd)
-{
- return fd != -1 && fcntl(fd, F_SETFD, FD_CLOEXEC) != -1;
-}
-
static inline QString msgOpenDirectory()
{
const char message[] = QT_TRANSLATE_NOOP("QIODevice", "file to open is a directory");
@@ -158,6 +107,8 @@ bool QFSFileEnginePrivate::nativeOpen(QIODevice::OpenMode openMode)
{
Q_Q(QFSFileEngine);
+ Q_ASSERT_X(openMode & QIODevice::Unbuffered, "QFSFileEngine::open",
+ "QFSFileEngine no longer supports buffered mode; upper layer must buffer");
if (openMode & QIODevice::Unbuffered) {
int flags = openModeToOpenFlags(openMode);
@@ -199,49 +150,6 @@ bool QFSFileEnginePrivate::nativeOpen(QIODevice::OpenMode openMode)
}
fh = 0;
- } else {
- QByteArray fopenMode = openModeToFopenMode(openMode, fileEntry, metaData);
-
- // Try to open the file in buffered mode.
- do {
- fh = QT_FOPEN(fileEntry.nativeFilePath().constData(), fopenMode.constData());
- } while (!fh && errno == EINTR);
-
- // On failure, return and report the error.
- if (!fh) {
- q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
- qt_error_string(int(errno)));
- return false;
- }
-
- if (!(openMode & QIODevice::WriteOnly)) {
- // we don't need this check if we tried to open for writing because then
- // we had received EISDIR anyway.
- if (QFileSystemEngine::fillMetaData(QT_FILENO(fh), metaData)
- && metaData.isDirectory()) {
- q->setError(QFile::OpenError, msgOpenDirectory());
- fclose(fh);
- return false;
- }
- }
-
- setCloseOnExec(fileno(fh)); // ignore failure
-
- // Seek to the end when in Append mode.
- if (openMode & QIODevice::Append) {
- int ret;
- do {
- ret = QT_FSEEK(fh, 0, SEEK_END);
- } while (ret == -1 && errno == EINTR);
-
- if (ret == -1) {
- q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError,
- qt_error_string(int(errno)));
- return false;
- }
- }
-
- fd = -1;
}
closeFileHandle = true;
@@ -793,6 +701,23 @@ bool QFSFileEnginePrivate::unmap(uchar *ptr)
#endif
}
+/*!
+ \reimp
+*/
+bool QFSFileEngine::clone(int sourceHandle)
+{
+#if defined(Q_OS_LINUX)
+ Q_D(QFSFileEngine);
+# if !defined FICLONE
+# define FICLONE _IOW (0x94, 9, int)
+# endif
+ return ::ioctl(d->fd, FICLONE, sourceHandle) == 0;
+#else
+ Q_UNUSED(sourceHandle);
+ return false;
+#endif
+}
+
QT_END_NAMESPACE
#endif // QT_NO_FSFILEENGINE
diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp
index 7d16e59195..4a477b8429 100644
--- a/src/corelib/io/qfsfileengine_win.cpp
+++ b/src/corelib/io/qfsfileengine_win.cpp
@@ -998,4 +998,13 @@ bool QFSFileEnginePrivate::unmap(uchar *ptr)
return true;
}
+/*!
+ \reimp
+*/
+bool QFSFileEngine::clone(int sourceHandle)
+{
+ Q_UNUSED(sourceHandle);
+ return false;
+}
+
QT_END_NAMESPACE
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index c0ec35ff32..a3343423db 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -2112,6 +2112,46 @@ void QProcess::start(OpenMode mode)
}
/*!
+ \since 5.10
+
+ Starts the program set by setProgram() with arguments set by setArguments()
+ in a new process, and detaches from it. Returns \c true on success;
+ otherwise returns \c false. If the calling process exits, the
+ detached process will continue to run unaffected.
+
+ \b{Unix:} The started process will run in its own session and act
+ like a daemon.
+
+ The process will be started in the directory set by setWorkingDirectory().
+ If workingDirectory() is empty, the working directory is inherited
+ from the calling process.
+
+ \note On QNX, this may cause all application threads to
+ temporarily freeze.
+
+ If the function is successful then *\a pid is set to the process
+ identifier of the started process.
+
+ \sa start()
+ \sa startDetached(const QString &program, const QStringList &arguments,
+ const QString &workingDirectory, qint64 *pid)
+ \sa startDetached(const QString &command)
+*/
+bool QProcess::startDetached(qint64 *pid)
+{
+ Q_D(QProcess);
+ if (d->processState != NotRunning) {
+ qWarning("QProcess::startDetached: Process is already running");
+ return false;
+ }
+ if (d->program.isEmpty()) {
+ d->setErrorAndEmit(QProcess::FailedToStart, tr("No program defined"));
+ return false;
+ }
+ return d->startDetached(pid);
+}
+
+/*!
Starts the program set by setProgram() with arguments set by setArguments().
The OpenMode is set to \a mode.
@@ -2445,6 +2485,8 @@ int QProcess::execute(const QString &command)
}
/*!
+ \overload startDetached()
+
Starts the program \a program with the arguments \a arguments in a
new process, and detaches from it. Returns \c true on success;
otherwise returns \c false. If the calling process exits, the
@@ -2452,16 +2494,10 @@ int QProcess::execute(const QString &command)
Argument handling is identical to the respective start() overload.
- \b{Unix:} The started process will run in its own session and act
- like a daemon.
-
The process will be started in the directory \a workingDirectory.
If \a workingDirectory is empty, the working directory is inherited
from the calling process.
- \note On QNX, this may cause all application threads to
- temporarily freeze.
-
If the function is successful then *\a pid is set to the process
identifier of the started process.
@@ -2472,10 +2508,11 @@ bool QProcess::startDetached(const QString &program,
const QString &workingDirectory,
qint64 *pid)
{
- return QProcessPrivate::startDetached(program,
- arguments,
- workingDirectory,
- pid);
+ QProcess process;
+ process.setProgram(program);
+ process.setArguments(arguments);
+ process.setWorkingDirectory(workingDirectory);
+ return process.startDetached(pid);
}
/*!
@@ -2484,11 +2521,14 @@ bool QProcess::startDetached(const QString &program,
bool QProcess::startDetached(const QString &program,
const QStringList &arguments)
{
- return QProcessPrivate::startDetached(program, arguments);
+ QProcess process;
+ process.setProgram(program);
+ process.setArguments(arguments);
+ return process.startDetached();
}
/*!
- \overload
+ \overload startDetached()
Starts the command \a command in a new process, and detaches from it.
Returns \c true on success; otherwise returns \c false.
@@ -2506,9 +2546,10 @@ bool QProcess::startDetached(const QString &command)
if (args.isEmpty())
return false;
- const QString prog = args.takeFirst();
-
- return QProcessPrivate::startDetached(prog, args);
+ QProcess process;
+ process.setProgram(args.takeFirst());
+ process.setArguments(args);
+ return process.startDetached();
}
QT_BEGIN_INCLUDE_NAMESPACE
diff --git a/src/corelib/io/qprocess.h b/src/corelib/io/qprocess.h
index 19157bdd02..c8aef2f0b1 100644
--- a/src/corelib/io/qprocess.h
+++ b/src/corelib/io/qprocess.h
@@ -163,6 +163,7 @@ public:
void start(const QString &command, OpenMode mode = ReadWrite);
#endif
void start(OpenMode mode = ReadWrite);
+ bool startDetached(qint64 *pid = nullptr);
bool open(OpenMode mode = ReadWrite) Q_DECL_OVERRIDE;
QString program() const;
diff --git a/src/corelib/io/qprocess_p.h b/src/corelib/io/qprocess_p.h
index 6e0630eb66..80ac631290 100644
--- a/src/corelib/io/qprocess_p.h
+++ b/src/corelib/io/qprocess_p.h
@@ -353,7 +353,7 @@ public:
void start(QIODevice::OpenMode mode);
void startProcess();
#if defined(Q_OS_UNIX)
- void execChild(const char *workingDirectory, char **path, char **argv, char **envp);
+ void execChild(const char *workingDirectory, char **argv, char **envp);
#endif
bool processStarted(QString *errorMessage = Q_NULLPTR);
void terminateProcess();
@@ -368,8 +368,7 @@ public:
qint64 pipeWriterBytesToWrite() const;
#endif
- static bool startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory = QString(),
- qint64 *pid = 0);
+ bool startDetached(qint64 *pPid);
int exitCode;
QProcess::ExitStatus exitStatus;
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 795229419c..e72773d7a4 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -87,6 +87,7 @@ QT_END_NAMESPACE
#include "qprocess.h"
#include "qprocess_p.h"
+#include "qstandardpaths.h"
#include "private/qcore_unix_p.h"
#ifdef Q_OS_MAC
@@ -420,8 +421,16 @@ void QProcessPrivate::startProcess()
#endif
// Add the program name to the argument list.
- char *dupProgramName = ::strdup(encodedProgramName.constData());
- argv[0] = dupProgramName;
+ argv[0] = nullptr;
+ if (!program.contains(QLatin1Char('/'))) {
+ const QString &exeFilePath = QStandardPaths::findExecutable(program);
+ if (!exeFilePath.isEmpty()) {
+ const QByteArray &tmp = QFile::encodeName(exeFilePath);
+ argv[0] = ::strdup(tmp.constData());
+ }
+ }
+ if (!argv[0])
+ argv[0] = ::strdup(encodedProgramName.constData());
// Add every argument to the list
for (int i = 0; i < arguments.count(); ++i)
@@ -443,29 +452,6 @@ void QProcessPrivate::startProcess()
workingDirPtr = encodedWorkingDirectory.constData();
}
- // If the program does not specify a path, generate a list of possible
- // locations for the binary using the PATH environment variable.
- char **path = 0;
- int pathc = 0;
- if (!program.contains(QLatin1Char('/'))) {
- const QString pathEnv = QString::fromLocal8Bit(qgetenv("PATH"));
- if (!pathEnv.isEmpty()) {
- QStringList pathEntries = pathEnv.split(QLatin1Char(':'), QString::SkipEmptyParts);
- if (!pathEntries.isEmpty()) {
- pathc = pathEntries.size();
- path = new char *[pathc + 1];
- path[pathc] = 0;
-
- for (int k = 0; k < pathEntries.size(); ++k) {
- QByteArray tmp = QFile::encodeName(pathEntries.at(k));
- if (!tmp.endsWith('/')) tmp += '/';
- tmp += encodedProgramName;
- path[k] = ::strdup(tmp.constData());
- }
- }
- }
- }
-
// Start the process manager, and fork off the child process.
pid_t childPid;
forkfd = ::forkfd(FFD_CLOEXEC, &childPid);
@@ -473,16 +459,12 @@ void QProcessPrivate::startProcess()
if (forkfd != FFD_CHILD_PROCESS) {
// Parent process.
// Clean up duplicated memory.
- free(dupProgramName);
- for (int i = 1; i <= arguments.count(); ++i)
+ for (int i = 0; i <= arguments.count(); ++i)
free(argv[i]);
for (int i = 0; i < envc; ++i)
free(envp[i]);
- for (int i = 0; i < pathc; ++i)
- free(path[i]);
delete [] argv;
delete [] envp;
- delete [] path;
}
// On QNX, if spawnChild failed, childPid will be -1 but forkfd is still 0.
@@ -503,7 +485,7 @@ void QProcessPrivate::startProcess()
// Start the child.
if (forkfd == FFD_CHILD_PROCESS) {
- execChild(workingDirPtr, path, argv, envp);
+ execChild(workingDirPtr, argv, envp);
::_exit(-1);
}
@@ -544,7 +526,7 @@ void QProcessPrivate::startProcess()
}
}
-void QProcessPrivate::execChild(const char *workingDir, char **path, char **argv, char **envp)
+void QProcessPrivate::execChild(const char *workingDir, char **argv, char **envp)
{
::signal(SIGPIPE, SIG_DFL); // reset the signal that we ignored
@@ -567,7 +549,7 @@ void QProcessPrivate::execChild(const char *workingDir, char **path, char **argv
}
}
- // make sure this fd is closed if execvp() succeeds
+ // make sure this fd is closed if execv() succeeds
qt_safe_close(childStartedPipe[0]);
// enter the working directory
@@ -582,25 +564,13 @@ void QProcessPrivate::execChild(const char *workingDir, char **path, char **argv
// execute the process
if (!envp) {
- qt_safe_execvp(argv[0], argv);
- callthatfailed = "execvp: ";
+ qt_safe_execv(argv[0], argv);
+ callthatfailed = "execv: ";
} else {
- if (path) {
- char **arg = path;
- while (*arg) {
- argv[0] = *arg;
-#if defined (QPROCESS_DEBUG)
- fprintf(stderr, "QProcessPrivate::execChild() searching / starting %s\n", argv[0]);
-#endif
- qt_safe_execve(argv[0], argv, envp);
- ++arg;
- }
- } else {
#if defined (QPROCESS_DEBUG)
- fprintf(stderr, "QProcessPrivate::execChild() starting %s\n", argv[0]);
+ fprintf(stderr, "QProcessPrivate::execChild() starting %s\n", argv[0]);
#endif
- qt_safe_execve(argv[0], argv, envp);
- }
+ qt_safe_execve(argv[0], argv, envp);
callthatfailed = "execve: ";
}
@@ -925,7 +895,7 @@ bool QProcessPrivate::waitForDeadChild()
return true;
}
-bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDirectory, qint64 *pid)
+bool QProcessPrivate::startDetached(qint64 *pid)
{
QByteArray encodedWorkingDirectory = QFile::encodeName(workingDirectory);
@@ -967,23 +937,28 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
argv[i + 1] = ::strdup(QFile::encodeName(arguments.at(i)).constData());
argv[arguments.size() + 1] = 0;
+ // Duplicate the environment.
+ int envc = 0;
+ char **envp = nullptr;
+ if (environment.d.constData()) {
+ QProcessEnvironmentPrivate::MutexLocker locker(environment.d);
+ envp = _q_dupEnvironment(environment.d.constData()->hash, &envc);
+ }
+
+ QByteArray tmp;
if (!program.contains(QLatin1Char('/'))) {
- const QString path = QString::fromLocal8Bit(qgetenv("PATH"));
- if (!path.isEmpty()) {
- QStringList pathEntries = path.split(QLatin1Char(':'));
- for (int k = 0; k < pathEntries.size(); ++k) {
- QByteArray tmp = QFile::encodeName(pathEntries.at(k));
- if (!tmp.endsWith('/')) tmp += '/';
- tmp += QFile::encodeName(program);
- argv[0] = tmp.data();
- qt_safe_execv(argv[0], argv);
- }
- }
- } else {
- QByteArray tmp = QFile::encodeName(program);
- argv[0] = tmp.data();
- qt_safe_execv(argv[0], argv);
+ const QString &exeFilePath = QStandardPaths::findExecutable(program);
+ if (!exeFilePath.isEmpty())
+ tmp = QFile::encodeName(exeFilePath);
}
+ if (tmp.isEmpty())
+ tmp = QFile::encodeName(program);
+ argv[0] = tmp.data();
+
+ if (envp)
+ qt_safe_execve(argv[0], argv, envp);
+ else
+ qt_safe_execv(argv[0], argv);
struct sigaction noaction;
memset(&noaction, 0, sizeof(noaction));
diff --git a/src/corelib/io/qprocess_win.cpp b/src/corelib/io/qprocess_win.cpp
index 329d1842f0..cca910bcc0 100644
--- a/src/corelib/io/qprocess_win.cpp
+++ b/src/corelib/io/qprocess_win.cpp
@@ -358,7 +358,8 @@ void QProcessPrivate::closeChannel(Channel *channel)
destroyPipe(channel->pipe);
}
-static QString qt_create_commandline(const QString &program, const QStringList &arguments)
+static QString qt_create_commandline(const QString &program, const QStringList &arguments,
+ const QString &nativeArguments)
{
QString args;
if (!program.isEmpty()) {
@@ -387,6 +388,13 @@ static QString qt_create_commandline(const QString &program, const QStringList &
}
args += QLatin1Char(' ') + tmp;
}
+
+ if (!nativeArguments.isEmpty()) {
+ if (!args.isEmpty())
+ args += QLatin1Char(' ');
+ args += nativeArguments;
+ }
+
return args;
}
@@ -472,15 +480,10 @@ void QProcessPrivate::startProcess()
!openChannel(stderrChannel))
return;
- QString args = qt_create_commandline(program, arguments);
+ const QString args = qt_create_commandline(program, arguments, nativeArguments);
QByteArray envlist;
if (environment.d.constData())
envlist = qt_create_environment(environment.d.constData()->hash);
- if (!nativeArguments.isEmpty()) {
- if (!args.isEmpty())
- args += QLatin1Char(' ');
- args += nativeArguments;
- }
#if defined QPROCESS_DEBUG
qDebug("Creating process");
@@ -826,6 +829,7 @@ bool QProcessPrivate::writeToStdin()
// Use ShellExecuteEx() to trigger an UAC prompt when CreateProcess()fails
// with ERROR_ELEVATION_REQUIRED.
static bool startDetachedUacPrompt(const QString &programIn, const QStringList &arguments,
+ const QString &nativeArguments,
const QString &workingDir, qint64 *pid)
{
typedef BOOL (WINAPI *ShellExecuteExType)(SHELLEXECUTEINFOW *);
@@ -836,7 +840,8 @@ static bool startDetachedUacPrompt(const QString &programIn, const QStringList &
if (!shellExecuteEx)
return false;
- const QString args = qt_create_commandline(QString(), arguments); // needs arguments only
+ const QString args = qt_create_commandline(QString(), // needs arguments only
+ arguments, nativeArguments);
SHELLEXECUTEINFOW shellExecuteExInfo;
memset(&shellExecuteExInfo, 0, sizeof(SHELLEXECUTEINFOW));
shellExecuteExInfo.cbSize = sizeof(SHELLEXECUTEINFOW);
@@ -859,14 +864,21 @@ static bool startDetachedUacPrompt(const QString &programIn, const QStringList &
return true;
}
-bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
+bool QProcessPrivate::startDetached(qint64 *pid)
{
static const DWORD errorElevationRequired = 740;
- QString args = qt_create_commandline(program, arguments);
+ QString args = qt_create_commandline(program, arguments, nativeArguments);
bool success = false;
PROCESS_INFORMATION pinfo;
+ void *envPtr = nullptr;
+ QByteArray envlist;
+ if (environment.d.constData()) {
+ envlist = qt_create_environment(environment.d.constData()->hash);
+ envPtr = envlist.data();
+ }
+
DWORD dwCreationFlags = (GetConsoleWindow() ? 0 : CREATE_NO_WINDOW);
dwCreationFlags |= CREATE_UNICODE_ENVIRONMENT;
STARTUPINFOW startupInfo = { sizeof( STARTUPINFO ), 0, 0, 0,
@@ -875,8 +887,8 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
success = CreateProcess(0, (wchar_t*)args.utf16(),
- 0, 0, FALSE, dwCreationFlags, 0,
- workingDir.isEmpty() ? 0 : (wchar_t*)workingDir.utf16(),
+ 0, 0, FALSE, dwCreationFlags, envPtr,
+ workingDirectory.isEmpty() ? 0 : (wchar_t*)workingDirectory.utf16(),
&startupInfo, &pinfo);
if (success) {
@@ -885,7 +897,10 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
if (pid)
*pid = pinfo.dwProcessId;
} else if (GetLastError() == errorElevationRequired) {
- success = startDetachedUacPrompt(program, arguments, workingDir, pid);
+ if (envPtr)
+ qWarning("QProcess: custom environment will be ignored for detached elevated process.");
+ success = startDetachedUacPrompt(program, arguments, nativeArguments,
+ workingDirectory, pid);
}
return success;
diff --git a/src/corelib/io/qresource.cpp b/src/corelib/io/qresource.cpp
index 32639759e4..984ed23812 100644
--- a/src/corelib/io/qresource.cpp
+++ b/src/corelib/io/qresource.cpp
@@ -66,10 +66,9 @@ QT_BEGIN_NAMESPACE
class QStringSplitter
{
public:
- QStringSplitter(const QString &s)
- : m_string(s), m_data(m_string.constData()), m_len(s.length()), m_pos(0)
+ explicit QStringSplitter(QStringView sv)
+ : m_data(sv.data()), m_len(sv.size())
{
- m_splitChar = QLatin1Char('/');
}
inline bool hasNext() {
@@ -78,18 +77,17 @@ public:
return m_pos < m_len;
}
- inline QStringRef next() {
+ inline QStringView next() {
int start = m_pos;
while (m_pos < m_len && m_data[m_pos] != m_splitChar)
++m_pos;
- return QStringRef(&m_string, start, m_pos - start);
+ return QStringView(m_data + start, m_pos - start);
}
- QString m_string;
const QChar *m_data;
- QChar m_splitChar;
- int m_len;
- int m_pos;
+ qssize_t m_len;
+ qssize_t m_pos = 0;
+ QChar m_splitChar = QLatin1Char('/');
};
@@ -678,7 +676,7 @@ int QResourceRoot::findNode(const QString &_path, const QLocale &locale) const
QStringSplitter splitter(path);
while (child_count && splitter.hasNext()) {
- QStringRef segment = splitter.next();
+ QStringView segment = splitter.next();
#ifdef DEBUG_RESOURCE_MATCH
qDebug() << " CHILDREN" << segment;
@@ -835,24 +833,24 @@ QStringList QResourceRoot::children(int node) const
bool QResourceRoot::mappingRootSubdir(const QString &path, QString *match) const
{
const QString root = mappingRoot();
- if(!root.isEmpty()) {
- const QVector<QStringRef> root_segments = root.splitRef(QLatin1Char('/'), QString::SkipEmptyParts),
- path_segments = path.splitRef(QLatin1Char('/'), QString::SkipEmptyParts);
- if(path_segments.size() <= root_segments.size()) {
- int matched = 0;
- for(int i = 0; i < path_segments.size(); ++i) {
- if(root_segments[i] != path_segments[i])
- break;
- ++matched;
- }
- if(matched == path_segments.size()) {
- if(match && root_segments.size() > matched)
- *match = root_segments.at(matched).toString();
- return true;
- }
+ if (root.isEmpty())
+ return false;
+
+ QStringSplitter rootIt(root);
+ QStringSplitter pathIt(path);
+ while (rootIt.hasNext()) {
+ if (pathIt.hasNext()) {
+ if (rootIt.next() != pathIt.next()) // mismatch
+ return false;
+ } else {
+ // end of path, but not of root:
+ if (match)
+ *match = rootIt.next().toString();
+ return true;
}
}
- return false;
+ // end of root
+ return !pathIt.hasNext();
}
Q_CORE_EXPORT bool qRegisterResourceData(int version, const unsigned char *tree,
diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
index 16dab38a60..24fa00c4d9 100644
--- a/src/corelib/io/qsettings.cpp
+++ b/src/corelib/io/qsettings.cpp
@@ -1802,6 +1802,8 @@ struct QSettingsIniSection
inline QSettingsIniSection() : position(-1) {}
};
+Q_DECLARE_TYPEINFO(QSettingsIniSection, Q_MOVABLE_TYPE);
+
typedef QMap<QString, QSettingsIniSection> IniMap;
/*
diff --git a/src/corelib/io/qsettings_p.h b/src/corelib/io/qsettings_p.h
index 639605d8c4..d8e91e48ce 100644
--- a/src/corelib/io/qsettings_p.h
+++ b/src/corelib/io/qsettings_p.h
@@ -109,6 +109,8 @@ private:
};
#endif
+Q_DECLARE_TYPEINFO(QSettingsKey, Q_MOVABLE_TYPE);
+
typedef QMap<QSettingsKey, QByteArray> UnparsedSettingsMap;
typedef QMap<QSettingsKey, QVariant> ParsedSettingsMap;
diff --git a/src/corelib/io/qtemporaryfile_p.h b/src/corelib/io/qtemporaryfile_p.h
index 7f365f0e8a..bf40e1627a 100644
--- a/src/corelib/io/qtemporaryfile_p.h
+++ b/src/corelib/io/qtemporaryfile_p.h
@@ -65,7 +65,7 @@ class QTemporaryFilePrivate : public QFilePrivate
{
Q_DECLARE_PUBLIC(QTemporaryFile)
-protected:
+public:
QTemporaryFilePrivate();
explicit QTemporaryFilePrivate(const QString &templateNameIn);
~QTemporaryFilePrivate();
diff --git a/src/corelib/io/qtldurl.cpp b/src/corelib/io/qtldurl.cpp
index 96543bbbfd..a934d19fa2 100644
--- a/src/corelib/io/qtldurl.cpp
+++ b/src/corelib/io/qtldurl.cpp
@@ -50,9 +50,21 @@
QT_BEGIN_NAMESPACE
-static bool containsTLDEntry(const QStringRef &entry)
+enum TLDMatchType {
+ ExactMatch,
+ SuffixMatch,
+ ExceptionMatch,
+};
+
+static bool containsTLDEntry(QStringView entry, TLDMatchType match)
{
- int index = qt_hash(entry) % tldCount;
+ const QStringView matchSymbols[] = {
+ QStringViewLiteral(""),
+ QStringViewLiteral("*"),
+ QStringViewLiteral("!"),
+ };
+ const auto symbol = matchSymbols[match];
+ int index = qt_hash(entry, qt_hash(symbol)) % tldCount;
// select the right chunk from the big table
short chunk = 0;
@@ -65,19 +77,14 @@ static bool containsTLDEntry(const QStringRef &entry)
// check all the entries from the given index
while (chunkIndex < tldIndices[index+1] - offset) {
- QString currentEntry = QString::fromUtf8(tldData[chunk] + chunkIndex);
- if (currentEntry == entry)
+ const auto utf8 = tldData[chunk] + chunkIndex;
+ if ((symbol.isEmpty() || QLatin1Char(*utf8) == symbol) && entry == QString::fromUtf8(utf8 + symbol.size()))
return true;
- chunkIndex += qstrlen(tldData[chunk] + chunkIndex) + 1; // +1 for the ending \0
+ chunkIndex += qstrlen(utf8) + 1; // +1 for the ending \0
}
return false;
}
-static inline bool containsTLDEntry(const QString &entry)
-{
- return containsTLDEntry(QStringRef(&entry));
-}
-
/*!
\internal
@@ -111,19 +118,16 @@ Q_CORE_EXPORT bool qIsEffectiveTLD(const QStringRef &domain)
{
// for domain 'foo.bar.com':
// 1. return if TLD table contains 'foo.bar.com'
- if (containsTLDEntry(domain))
+ // 2. else if table contains '*.bar.com',
+ // 3. test that table does not contain '!foo.bar.com'
+
+ if (containsTLDEntry(domain, ExactMatch)) // 1
return true;
const int dot = domain.indexOf(QLatin1Char('.'));
if (dot >= 0) {
- int count = domain.size() - dot;
- QString wildCardDomain = QLatin1Char('*') + domain.right(count);
- // 2. if table contains '*.bar.com',
- // test if table contains '!foo.bar.com'
- if (containsTLDEntry(wildCardDomain)) {
- QString exceptionDomain = QLatin1Char('!') + domain;
- return (! containsTLDEntry(exceptionDomain));
- }
+ if (containsTLDEntry(domain.mid(dot), SuffixMatch)) // 2
+ return !containsTLDEntry(domain, ExceptionMatch); // 3
}
return false;
}