diff options
Diffstat (limited to 'src/corelib')
24 files changed, 195 insertions, 151 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp index 805646c7d9..b2a2282085 100644 --- a/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_io_qurl.cpp @@ -62,7 +62,7 @@ QUrl url = QUrl::fromEncoded("http://qt-project.org/List%20of%20holidays.xml"); //! [2] bool checkUrl(const QUrl &url) { if (!url.isValid()) { - qDebug(QString("Invalid URL: %1").arg(url.toString())); + qDebug("Invalid URL: %s", qUtf8Printable(url.toString())); return false; } diff --git a/src/corelib/global/qglobal.cpp b/src/corelib/global/qglobal.cpp index 0e99daeb56..bfd97ed007 100644 --- a/src/corelib/global/qglobal.cpp +++ b/src/corelib/global/qglobal.cpp @@ -3148,98 +3148,6 @@ Q_CORE_EXPORT Q_DECL_CONST_FUNCTION unsigned int qt_int_sqrt(unsigned int n) void *qMemCopy(void *dest, const void *src, size_t n) { return memcpy(dest, src, n); } void *qMemSet(void *dest, int c, size_t n) { return memset(dest, c, n); } -#if !defined(Q_OS_WIN) && !defined(QT_NO_THREAD) && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_QNX) && \ - defined(_POSIX_THREAD_SAFE_FUNCTIONS) && _POSIX_VERSION >= 200112L -namespace { - // There are two incompatible versions of strerror_r: - // a) the XSI/POSIX.1 version, which returns an int, - // indicating success or not - // b) the GNU version, which returns a char*, which may or may not - // be the beginning of the buffer we used - // The GNU libc manpage for strerror_r says you should use the XSI - // version in portable code. However, it's impossible to do that if - // _GNU_SOURCE is defined so we use C++ overloading to decide what to do - // depending on the return type - static inline Q_DECL_UNUSED QString fromstrerror_helper(int, const QByteArray &buf) - { - return QString::fromLocal8Bit(buf.constData()); - } - static inline Q_DECL_UNUSED QString fromstrerror_helper(const char *str, const QByteArray &) - { - return QString::fromLocal8Bit(str); - } -} -#endif - -QString qt_error_string(int errorCode) -{ - const char *s = 0; - QString ret; - if (errorCode == -1) { -#if defined(Q_OS_WIN) - errorCode = GetLastError(); -#else - errorCode = errno; -#endif - } - switch (errorCode) { - case 0: - break; - case EACCES: - s = QT_TRANSLATE_NOOP("QIODevice", "Permission denied"); - break; - case EMFILE: - s = QT_TRANSLATE_NOOP("QIODevice", "Too many open files"); - break; - case ENOENT: - s = QT_TRANSLATE_NOOP("QIODevice", "No such file or directory"); - break; - case ENOSPC: - s = QT_TRANSLATE_NOOP("QIODevice", "No space left on device"); - break; - default: { -#if defined(Q_OS_WIN) - // Retrieve the system error message for the last-error code. -# ifndef Q_OS_WINRT - wchar_t *string = 0; - FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_ALLOCATE_BUFFER, - NULL, - errorCode, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), - (LPWSTR)&string, - 0, - NULL); - ret = QString::fromWCharArray(string); - LocalFree((HLOCAL)string); -# else // !Q_OS_WINRT - __declspec(thread) static wchar_t errorString[4096]; - FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, - errorCode, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), - errorString, - ARRAYSIZE(errorString), - NULL); - ret = QString::fromWCharArray(errorString); -# endif // Q_OS_WINRT - - if (ret.isEmpty() && errorCode == ERROR_MOD_NOT_FOUND) - ret = QString::fromLatin1("The specified module could not be found."); -#elif !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && _POSIX_VERSION >= 200112L && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_QNX) - QByteArray buf(1024, '\0'); - ret = fromstrerror_helper(strerror_r(errorCode, buf.data(), buf.size()), buf); -#else - ret = QString::fromLocal8Bit(strerror(errorCode)); -#endif - break; } - } - if (s) - // ######## this breaks moc build currently -// ret = QCoreApplication::translate("QIODevice", s); - ret = QString::fromLatin1(s); - return ret.trimmed(); -} - // In the C runtime on all platforms access to the environment is not thread-safe. We // add thread-safety for the Qt wrappers. static QBasicMutex environmentMutex; diff --git a/src/corelib/global/qsystemdetection.h b/src/corelib/global/qsystemdetection.h index 3133b4a719..4a2c3f79bb 100644 --- a/src/corelib/global/qsystemdetection.h +++ b/src/corelib/global/qsystemdetection.h @@ -267,6 +267,9 @@ # if !defined(__MAC_10_12) # define __MAC_10_12 101200 # endif +# if !defined(__MAC_10_13) +# define __MAC_10_13 101300 +# endif # if !defined(MAC_OS_X_VERSION_10_7) # define MAC_OS_X_VERSION_10_7 1070 # endif @@ -285,6 +288,9 @@ # if !defined(MAC_OS_X_VERSION_10_12) # define MAC_OS_X_VERSION_10_12 101200 # endif +# if !defined(MAC_OS_X_VERSION_10_13) +# define MAC_OS_X_VERSION_10_13 101300 +# endif # # if !defined(__IPHONE_4_3) # define __IPHONE_4_3 40300 @@ -337,6 +343,18 @@ # if !defined(__IPHONE_10_0) # define __IPHONE_10_0 100000 # endif +# if !defined(__IPHONE_10_1) +# define __IPHONE_10_1 100100 +# endif +# if !defined(__IPHONE_10_2) +# define __IPHONE_10_2 100200 +# endif +# if !defined(__IPHONE_10_3) +# define __IPHONE_10_3 100300 +# endif +# if !defined(__IPHONE_11_0) +# define __IPHONE_11_0 110000 +# endif #endif #ifdef __LSB_VERSION__ diff --git a/src/corelib/io/qabstractfileengine.cpp b/src/corelib/io/qabstractfileengine.cpp index 169e933546..7a603544f3 100644 --- a/src/corelib/io/qabstractfileengine.cpp +++ b/src/corelib/io/qabstractfileengine.cpp @@ -678,6 +678,17 @@ bool QAbstractFileEngine::setPermissions(uint perms) } /*! + \since 5.9 + + Return an identifier that (hopefully) uniquely identifies this file in the + system. Returns an invalid QByteArray() if that cannot be calculated. +*/ +QByteArray QAbstractFileEngine::id() const +{ + return QByteArray(); +} + +/*! Return the file engine's current file name in the format specified by \a file. diff --git a/src/corelib/io/qabstractfileengine_p.h b/src/corelib/io/qabstractfileengine_p.h index 5685a39e81..47b3a624fe 100644 --- a/src/corelib/io/qabstractfileengine_p.h +++ b/src/corelib/io/qabstractfileengine_p.h @@ -141,6 +141,7 @@ public: virtual QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const; virtual FileFlags fileFlags(FileFlags type=FileInfoAll) const; virtual bool setPermissions(uint perms); + virtual QByteArray id() const; virtual QString fileName(FileName file=DefaultName) const; virtual uint ownerId(FileOwner) const; virtual QString owner(FileOwner) const; diff --git a/src/corelib/io/qfile.cpp b/src/corelib/io/qfile.cpp index c7a06e49d5..b93fea1038 100644 --- a/src/corelib/io/qfile.cpp +++ b/src/corelib/io/qfile.cpp @@ -571,7 +571,9 @@ QFile::rename(const QString &newName) // Note: this does not take file engines into account. QByteArray targetId = QFileSystemEngine::id(QFileSystemEntry(newName)); if (!targetId.isNull()) { - QByteArray fileId = QFileSystemEngine::id(QFileSystemEntry(d->fileName)); + QByteArray fileId = d->fileEngine ? + d->fileEngine->id() : + QFileSystemEngine::id(QFileSystemEntry(d->fileName)); if (fileId != targetId || d->fileName.compare(newName, Qt::CaseInsensitive)) { // ### Race condition. If a file is moved in after this, it /will/ be // overwritten. On Unix, the proper solution is to use hardlinks: diff --git a/src/corelib/io/qfilesystemengine_p.h b/src/corelib/io/qfilesystemengine_p.h index 196ed8df69..e3e52f6eaa 100644 --- a/src/corelib/io/qfilesystemengine_p.h +++ b/src/corelib/io/qfilesystemengine_p.h @@ -92,6 +92,7 @@ public: QFileSystemMetaData::MetaDataFlags what); #if defined(Q_OS_UNIX) static bool fillMetaData(int fd, QFileSystemMetaData &data); // what = PosixStatFlags + static QByteArray id(int fd); static bool setPermissions(int fd, QFile::Permissions permissions, QSystemError &error, QFileSystemMetaData *data = nullptr); #endif @@ -104,6 +105,7 @@ public: QFileSystemMetaData::MetaDataFlags what); static bool fillPermissions(const QFileSystemEntry &entry, QFileSystemMetaData &data, QFileSystemMetaData::MetaDataFlags what); + static QByteArray id(HANDLE fHandle); static QString owner(const QFileSystemEntry &entry, QAbstractFileEngine::FileOwner own); static QString nativeAbsoluteFilePath(const QString &path); #endif diff --git a/src/corelib/io/qfilesystemengine_unix.cpp b/src/corelib/io/qfilesystemengine_unix.cpp index 940a0a2122..b0c23e3f82 100644 --- a/src/corelib/io/qfilesystemengine_unix.cpp +++ b/src/corelib/io/qfilesystemengine_unix.cpp @@ -328,6 +328,20 @@ QByteArray QFileSystemEngine::id(const QFileSystemEntry &entry) } //static +QByteArray QFileSystemEngine::id(int id) +{ + QT_STATBUF statResult; + if (QT_FSTAT(id, &statResult)) { + qErrnoWarning("fstat() failed for fd %d", id); + return QByteArray(); + } + QByteArray result = QByteArray::number(quint64(statResult.st_dev), 16); + result += ':'; + result += QByteArray::number(quint64(statResult.st_ino)); + return result; +} + +//static QString QFileSystemEngine::resolveUserName(uint userId) { #if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_OPENBSD) diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp index 889fbfea7b..eac6519de5 100644 --- a/src/corelib/io/qfilesystemengine_win.cpp +++ b/src/corelib/io/qfilesystemengine_win.cpp @@ -561,19 +561,21 @@ typedef struct _FILE_ID_INFO { // File ID for Windows up to version 7. static inline QByteArray fileId(HANDLE handle) { - QByteArray result; #ifndef Q_OS_WINRT BY_HANDLE_FILE_INFORMATION info; if (GetFileInformationByHandle(handle, &info)) { - result = QByteArray::number(uint(info.nFileIndexLow), 16); - result += ':'; - result += QByteArray::number(uint(info.nFileIndexHigh), 16); + char buffer[sizeof "01234567:0123456701234567"]; + qsnprintf(buffer, sizeof(buffer), "%lx:%08lx%08lx", + info.dwVolumeSerialNumber, + info.nFileIndexHigh, + info.nFileIndexLow); + return buffer; } #else // !Q_OS_WINRT Q_UNUSED(handle); Q_UNIMPLEMENTED(); #endif // Q_OS_WINRT - return result; + return QByteArray(); } // File ID for Windows starting from version 8. @@ -609,14 +611,20 @@ QByteArray QFileSystemEngine::id(const QFileSystemEntry &entry) FILE_SHARE_READ, OPEN_EXISTING, NULL); #endif // Q_OS_WINRT if (handle != INVALID_HANDLE_VALUE) { - result = QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows8 ? - fileIdWin8(handle) : fileId(handle); + result = id(handle); CloseHandle(handle); } return result; } //static +QByteArray QFileSystemEngine::id(HANDLE fHandle) +{ + return QOperatingSystemVersion::current() >= QOperatingSystemVersion::Windows8 ? + fileIdWin8(HANDLE(fHandle)) : fileId(HANDLE(fHandle)); +} + +//static QString QFileSystemEngine::owner(const QFileSystemEntry &entry, QAbstractFileEngine::FileOwner own) { QString name; diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp index b7f2f0d645..037deb8942 100644 --- a/src/corelib/io/qfsfileengine.cpp +++ b/src/corelib/io/qfsfileengine.cpp @@ -277,7 +277,7 @@ bool QFSFileEnginePrivate::openFh(QIODevice::OpenMode openMode, FILE *fh) if (ret != 0) { q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError, - qt_error_string(int(errno))); + QSystemError::stdString()); this->openMode = QIODevice::NotOpen; this->fh = 0; @@ -341,7 +341,7 @@ bool QFSFileEnginePrivate::openFd(QIODevice::OpenMode openMode, int fd) if (ret == -1) { q->setError(errno == EMFILE ? QFile::ResourceError : QFile::OpenError, - qt_error_string(int(errno))); + QSystemError::stdString()); this->openMode = QIODevice::NotOpen; this->fd = -1; @@ -400,7 +400,7 @@ bool QFSFileEnginePrivate::closeFdFh() if (!flushed || !closed) { if (flushed) { // If not flushed, we want the flush error to fall through. - q->setError(QFile::UnspecifiedError, qt_error_string(errno)); + q->setError(QFile::UnspecifiedError, QSystemError::stdString()); } return false; } @@ -452,7 +452,7 @@ bool QFSFileEnginePrivate::flushFh() if (ret != 0) { q->setError(errno == ENOSPC ? QFile::ResourceError : QFile::WriteError, - qt_error_string(errno)); + QSystemError::stdString()); return false; } return true; @@ -567,14 +567,14 @@ bool QFSFileEnginePrivate::seekFdFh(qint64 pos) } while (ret != 0 && errno == EINTR); if (ret != 0) { - q->setError(QFile::ReadError, qt_error_string(int(errno))); + q->setError(QFile::ReadError, QSystemError::stdString()); return false; } } else { // Unbuffered stdio mode. if (QT_LSEEK(fd, QT_OFF_T(pos), SEEK_SET) == -1) { qWarning("QFile::at: Cannot set file position %lld", pos); - q->setError(QFile::PositionError, qt_error_string(errno)); + q->setError(QFile::PositionError, QSystemError::stdString()); return false; } } @@ -616,7 +616,7 @@ qint64 QFSFileEnginePrivate::readFdFh(char *data, qint64 len) Q_Q(QFSFileEngine); if (len < 0 || len != qint64(size_t(len))) { - q->setError(QFile::ReadError, qt_error_string(EINVAL)); + q->setError(QFile::ReadError, QSystemError::stdString(EINVAL)); return -1; } @@ -662,7 +662,7 @@ qint64 QFSFileEnginePrivate::readFdFh(char *data, qint64 len) if (!eof && readBytes == 0) { readBytes = -1; - q->setError(QFile::ReadError, qt_error_string(errno)); + q->setError(QFile::ReadError, QSystemError::stdString()); } return readBytes; @@ -708,7 +708,7 @@ qint64 QFSFileEnginePrivate::readLineFdFh(char *data, qint64 maxlen) // solves this. if (!fgets(data, int(maxlen + 1), fh)) { if (!feof(fh)) - q->setError(QFile::ReadError, qt_error_string(int(errno))); + q->setError(QFile::ReadError, QSystemError::stdString()); return -1; // error } @@ -748,7 +748,7 @@ qint64 QFSFileEnginePrivate::writeFdFh(const char *data, qint64 len) Q_Q(QFSFileEngine); if (len < 0 || len != qint64(size_t(len))) { - q->setError(QFile::WriteError, qt_error_string(EINVAL)); + q->setError(QFile::WriteError, QSystemError::stdString(EINVAL)); return -1; } @@ -785,7 +785,7 @@ qint64 QFSFileEnginePrivate::writeFdFh(const char *data, qint64 len) if (len && writtenBytes == 0) { writtenBytes = -1; - q->setError(errno == ENOSPC ? QFile::ResourceError : QFile::WriteError, qt_error_string(errno)); + q->setError(errno == ENOSPC ? QFile::ResourceError : QFile::WriteError, QSystemError::stdString()); } else { // reset the cached size, if any metaData.clearFlags(QFileSystemMetaData::SizeAttribute); diff --git a/src/corelib/io/qfsfileengine_p.h b/src/corelib/io/qfsfileengine_p.h index 80dd9363db..f352fcd475 100644 --- a/src/corelib/io/qfsfileengine_p.h +++ b/src/corelib/io/qfsfileengine_p.h @@ -93,6 +93,7 @@ public: QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const Q_DECL_OVERRIDE; FileFlags fileFlags(FileFlags type) const Q_DECL_OVERRIDE; bool setPermissions(uint perms) Q_DECL_OVERRIDE; + QByteArray id() const override; QString fileName(FileName file) const Q_DECL_OVERRIDE; uint ownerId(FileOwner) const Q_DECL_OVERRIDE; QString owner(FileOwner) const Q_DECL_OVERRIDE; diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp index 69961ff76a..a717a3e236 100644 --- a/src/corelib/io/qfsfileengine_unix.cpp +++ b/src/corelib/io/qfsfileengine_unix.cpp @@ -542,6 +542,14 @@ QAbstractFileEngine::FileFlags QFSFileEngine::fileFlags(FileFlags type) const return ret; } +QByteArray QFSFileEngine::id() const +{ + Q_D(const QFSFileEngine); + if (d->fd != -1) + return QFileSystemEngine::id(d->fd); + return QFileSystemEngine::id(d->fileEntry); +} + QString QFSFileEngine::fileName(FileName file) const { Q_D(const QFSFileEngine); diff --git a/src/corelib/io/qfsfileengine_win.cpp b/src/corelib/io/qfsfileengine_win.cpp index d749e32447..351c4601d1 100644 --- a/src/corelib/io/qfsfileengine_win.cpp +++ b/src/corelib/io/qfsfileengine_win.cpp @@ -285,7 +285,7 @@ qint64 QFSFileEnginePrivate::nativeSize() const filled = doStat(QFileSystemMetaData::SizeAttribute); if (!filled) { - thatQ->setError(QFile::UnspecifiedError, qt_error_string(errno)); + thatQ->setError(QFile::UnspecifiedError, QSystemError::stdString()); return 0; } return metaData.size(); @@ -352,7 +352,7 @@ qint64 QFSFileEnginePrivate::nativeRead(char *data, qint64 maxlen) if (fh || fd != -1) { // stdio / stdlib mode. if (fh && nativeIsSequential() && feof(fh)) { - q->setError(QFile::ReadError, qt_error_string(int(errno))); + q->setError(QFile::ReadError, QSystemError::stdString()); return -1; } @@ -751,6 +751,24 @@ QAbstractFileEngine::FileFlags QFSFileEngine::fileFlags(QAbstractFileEngine::Fil return ret; } +QByteArray QFSFileEngine::id() const +{ + Q_D(const QFSFileEngine); + HANDLE h = d->fileHandle; + if (h == INVALID_HANDLE_VALUE) { + int localFd = d->fd; + if (d->fh && d->fileEntry.isEmpty()) + localFd = QT_FILENO(d->fh); + if (localFd != -1) + h = HANDLE(_get_osfhandle(localFd)); + } + if (h != INVALID_HANDLE_VALUE) + return QFileSystemEngine::id(h); + + // file is not open, try by path + return QFileSystemEngine::id(d->fileEntry); +} + QString QFSFileEngine::fileName(FileName file) const { Q_D(const QFSFileEngine); diff --git a/src/corelib/io/qloggingcategory.cpp b/src/corelib/io/qloggingcategory.cpp index 69af936bca..4256d4b6e1 100644 --- a/src/corelib/io/qloggingcategory.cpp +++ b/src/corelib/io/qloggingcategory.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2017 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. @@ -334,12 +334,11 @@ bool QLoggingCategory::isEnabled(QtMsgType msgtype) const /*! Changes the message type \a type for the category to \a enable. - \note Changes only affect the current QLoggingCategory object, and won't - change the settings of other objects for the same category name. - Use either \l setFilterRules() or \l installFilter() to change the - configuration globally. + This method is meant to be used only from inside a filter + installed by \l installFilter(). See \l {Configuring Categories} for + an overview on how to configure categories globally. - \note \c QtFatalMsg cannot be changed. It will always return \c true. + \note \c QtFatalMsg cannot be changed. It will always remain \c true. */ void QLoggingCategory::setEnabled(QtMsgType type, bool enable) { @@ -411,8 +410,8 @@ QLoggingCategory *QLoggingCategory::defaultCategory() filter is free to change the respective category configuration with \l setEnabled(). - The filter might be called concurrently from different threads, and - therefore has to be reentrant. + The filter might be called from different threads, but never concurrently. + The filter shall not call any static functions of QLoggingCategory. Example: \snippet qloggingcategory/main.cpp 21 diff --git a/src/corelib/io/qresource.cpp b/src/corelib/io/qresource.cpp index 984ed23812..c1187e5145 100644 --- a/src/corelib/io/qresource.cpp +++ b/src/corelib/io/qresource.cpp @@ -53,6 +53,7 @@ #include <qshareddata.h> #include <qplatformdefs.h> #include "private/qabstractfileengine_p.h" +#include "private/qsystemerror_p.h" #ifdef Q_OS_UNIX # include "private/qcore_unix_p.h" @@ -1282,7 +1283,7 @@ bool QResourceFileEngine::open(QIODevice::OpenMode flags) return false; d->uncompress(); if (!d->resource.isValid()) { - d->errorString = qt_error_string(ENOENT); + d->errorString = QSystemError::stdString(ENOENT); return false; } return true; diff --git a/src/corelib/io/qwindowspipereader.cpp b/src/corelib/io/qwindowspipereader.cpp index b68e9e6d4b..ef5ff2d827 100644 --- a/src/corelib/io/qwindowspipereader.cpp +++ b/src/corelib/io/qwindowspipereader.cpp @@ -57,7 +57,7 @@ void QWindowsPipeReader::Overlapped::clear() QWindowsPipeReader::QWindowsPipeReader(QObject *parent) : QObject(parent), handle(INVALID_HANDLE_VALUE), - overlapped(this), + overlapped(nullptr), readBufferMaxSize(0), actualReadBufferSize(0), stopped(true), @@ -74,6 +74,7 @@ QWindowsPipeReader::QWindowsPipeReader(QObject *parent) QWindowsPipeReader::~QWindowsPipeReader() { stop(); + delete overlapped; } /*! @@ -95,14 +96,16 @@ void QWindowsPipeReader::stop() { stopped = true; if (readSequenceStarted) { - if (!CancelIoEx(handle, &overlapped)) { + overlapped->pipeReader = nullptr; + if (!CancelIoEx(handle, overlapped)) { const DWORD dwError = GetLastError(); if (dwError != ERROR_NOT_FOUND) { - qErrnoWarning(dwError, "QWindowsPipeReader: qt_cancelIo on handle %x failed.", + qErrnoWarning(dwError, "QWindowsPipeReader: CancelIoEx on handle %p failed.", handle); } } - waitForNotification(-1); + overlapped = nullptr; // The object will be deleted in the I/O callback. + readSequenceStarted = false; } } @@ -223,8 +226,10 @@ void QWindowsPipeReader::startAsyncRead() stopped = false; readSequenceStarted = true; - overlapped.clear(); - if (!ReadFileEx(handle, ptr, bytesToRead, &overlapped, &readFileCompleted)) { + if (!overlapped) + overlapped = new Overlapped(this); + overlapped->clear(); + if (!ReadFileEx(handle, ptr, bytesToRead, overlapped, &readFileCompleted)) { readSequenceStarted = false; const DWORD dwError = GetLastError(); @@ -251,7 +256,10 @@ void QWindowsPipeReader::readFileCompleted(DWORD errorCode, DWORD numberOfBytesT OVERLAPPED *overlappedBase) { Overlapped *overlapped = static_cast<Overlapped *>(overlappedBase); - overlapped->pipeReader->notified(errorCode, numberOfBytesTransfered); + if (overlapped->pipeReader) + overlapped->pipeReader->notified(errorCode, numberOfBytesTransfered); + else + delete overlapped; } /*! diff --git a/src/corelib/io/qwindowspipereader_p.h b/src/corelib/io/qwindowspipereader_p.h index 74ff5250ac..e52aa4c33d 100644 --- a/src/corelib/io/qwindowspipereader_p.h +++ b/src/corelib/io/qwindowspipereader_p.h @@ -105,7 +105,7 @@ private: }; HANDLE handle; - Overlapped overlapped; + Overlapped *overlapped; qint64 readBufferMaxSize; QRingBuffer readBuffer; qint64 actualReadBufferSize; diff --git a/src/corelib/io/qwindowspipewriter.cpp b/src/corelib/io/qwindowspipewriter.cpp index 06a3572fad..8e3de2d620 100644 --- a/src/corelib/io/qwindowspipewriter.cpp +++ b/src/corelib/io/qwindowspipewriter.cpp @@ -56,7 +56,7 @@ void QWindowsPipeWriter::Overlapped::clear() QWindowsPipeWriter::QWindowsPipeWriter(HANDLE pipeWriteEnd, QObject *parent) : QObject(parent), handle(pipeWriteEnd), - overlapped(this), + overlapped(nullptr), pendingBytesWrittenValue(0), stopped(true), writeSequenceStarted(false), @@ -71,6 +71,7 @@ QWindowsPipeWriter::QWindowsPipeWriter(HANDLE pipeWriteEnd, QObject *parent) QWindowsPipeWriter::~QWindowsPipeWriter() { stop(); + delete overlapped; } bool QWindowsPipeWriter::waitForWrite(int msecs) @@ -121,7 +122,10 @@ void QWindowsPipeWriter::writeFileCompleted(DWORD errorCode, DWORD numberOfBytes OVERLAPPED *overlappedBase) { Overlapped *overlapped = static_cast<Overlapped *>(overlappedBase); - overlapped->pipeWriter->notified(errorCode, numberOfBytesTransfered); + if (overlapped->pipeWriter) + overlapped->pipeWriter->notified(errorCode, numberOfBytesTransfered); + else + delete overlapped; } /*! @@ -183,12 +187,14 @@ bool QWindowsPipeWriter::write(const QByteArray &ba) if (writeSequenceStarted) return false; - overlapped.clear(); + if (!overlapped) + overlapped = new Overlapped(this); + overlapped->clear(); buffer = ba; stopped = false; writeSequenceStarted = true; if (!WriteFileEx(handle, buffer.constData(), buffer.size(), - &overlapped, &writeFileCompleted)) { + overlapped, &writeFileCompleted)) { writeSequenceStarted = false; buffer.clear(); qErrnoWarning("QWindowsPipeWriter::write failed."); @@ -204,14 +210,16 @@ void QWindowsPipeWriter::stop() bytesWrittenPending = false; pendingBytesWrittenValue = 0; if (writeSequenceStarted) { - if (!CancelIoEx(handle, &overlapped)) { + overlapped->pipeWriter = nullptr; + if (!CancelIoEx(handle, overlapped)) { const DWORD dwError = GetLastError(); if (dwError != ERROR_NOT_FOUND) { - qErrnoWarning(dwError, "QWindowsPipeWriter: qt_cancelIo on handle %x failed.", + qErrnoWarning(dwError, "QWindowsPipeWriter: CancelIoEx on handle %p failed.", handle); } } - waitForNotification(-1); + overlapped = nullptr; // The object will be deleted in the I/O callback. + writeSequenceStarted = false; } } diff --git a/src/corelib/io/qwindowspipewriter_p.h b/src/corelib/io/qwindowspipewriter_p.h index a4ecfa3bf8..d6671c3f27 100644 --- a/src/corelib/io/qwindowspipewriter_p.h +++ b/src/corelib/io/qwindowspipewriter_p.h @@ -143,7 +143,7 @@ private: }; HANDLE handle; - Overlapped overlapped; + Overlapped *overlapped; QByteArray buffer; qint64 pendingBytesWrittenValue; bool stopped; diff --git a/src/corelib/kernel/qsystemerror.cpp b/src/corelib/kernel/qsystemerror.cpp index 3899f24d3b..fc825257ec 100644 --- a/src/corelib/kernel/qsystemerror.cpp +++ b/src/corelib/kernel/qsystemerror.cpp @@ -101,6 +101,11 @@ static QString windowsErrorString(int errorCode) if (ret.isEmpty() && errorCode == ERROR_MOD_NOT_FOUND) ret = QString::fromLatin1("The specified module could not be found."); + if (ret.endsWith(QLatin1String("\r\n"))) + ret.chop(2); + if (ret.isEmpty()) + ret = QString::fromLatin1("Unknown error 0x%1.") + .arg(unsigned(errorCode), 8, 16, QLatin1Char('0')); return ret; } #endif @@ -126,7 +131,7 @@ static QString standardLibraryErrorString(int errorCode) break; default: { #if !defined(QT_NO_THREAD) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && _POSIX_VERSION >= 200112L && !defined(Q_OS_INTEGRITY) && !defined(Q_OS_QNX) - QByteArray buf(1024, '\0'); + QByteArray buf(1024, Qt::Uninitialized); ret = fromstrerror_helper(strerror_r(errorCode, buf.data(), buf.size()), buf); #else ret = QString::fromLocal8Bit(strerror(errorCode)); @@ -141,7 +146,7 @@ static QString standardLibraryErrorString(int errorCode) return ret.trimmed(); } -QString QSystemError::toString() const +QString QSystemError::string(ErrorScope errorScope, int errorCode) { switch(errorScope) { case NativeError: @@ -161,5 +166,26 @@ QString QSystemError::toString() const } } -QT_END_NAMESPACE +QString QSystemError::stdString(int errorCode) +{ + return standardLibraryErrorString(errorCode == -1 ? errno : errorCode); +} + +#ifdef Q_OS_WIN +QString QSystemError::windowsString(int errorCode) +{ + return windowsErrorString(errorCode == -1 ? GetLastError() : errorCode); +} +QString qt_error_string(int code) +{ + return windowsErrorString(code == -1 ? GetLastError() : code); +} +#else +QString qt_error_string(int code) +{ + return standardLibraryErrorString(code == -1 ? errno : code); +} +#endif + +QT_END_NAMESPACE diff --git a/src/corelib/kernel/qsystemerror_p.h b/src/corelib/kernel/qsystemerror_p.h index 440b763149..1d8c253f53 100644 --- a/src/corelib/kernel/qsystemerror_p.h +++ b/src/corelib/kernel/qsystemerror_p.h @@ -69,10 +69,16 @@ public: inline QSystemError(int error, ErrorScope scope); inline QSystemError(); - QString toString() const; + inline QString toString() const; inline ErrorScope scope() const; inline int error() const; + static QString string(ErrorScope errorScope, int errorCode); + static QString stdString(int errorCode = -1); +#ifdef Q_OS_WIN + static QString windowsString(int errorCode = -1); +#endif + //data members int errorCode; ErrorScope errorScope; @@ -90,6 +96,11 @@ QSystemError::QSystemError() } +QString QSystemError::toString() const +{ + return string(errorScope, errorCode); +} + QSystemError::ErrorScope QSystemError::scope() const { return errorScope; @@ -100,7 +111,6 @@ int QSystemError::error() const return errorCode; } - QT_END_NAMESPACE #endif // QSYSTEMERROR_P_H diff --git a/src/corelib/plugin/qlibrary.cpp b/src/corelib/plugin/qlibrary.cpp index 3d04d0802d..ebad7f1751 100644 --- a/src/corelib/plugin/qlibrary.cpp +++ b/src/corelib/plugin/qlibrary.cpp @@ -48,6 +48,7 @@ #include <qmutex.h> #include <qmap.h> #include <private/qcoreapplication_p.h> +#include <private/qsystemerror_p.h> #ifdef Q_OS_MAC # include <private/qcore_mac_p.h> #endif @@ -237,7 +238,7 @@ static bool findPatternUnloaded(const QString &library, QLibraryPrivate *lib) lib->errorString = file.errorString(); if (qt_debug_component()) { qWarning("%s: %s", (const char*) QFile::encodeName(library), - qPrintable(qt_error_string(errno))); + qPrintable(QSystemError::stdString())); } return false; } diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h index d7378df746..0b0f935b26 100644 --- a/src/corelib/tools/qhash.h +++ b/src/corelib/tools/qhash.h @@ -373,7 +373,7 @@ public: typedef const T *pointer; typedef const T &reference; - inline const_iterator() : i(Q_NULLPTR) { } + Q_DECL_CONSTEXPR inline const_iterator() : i(Q_NULLPTR) { } explicit inline const_iterator(void *node) : i(reinterpret_cast<QHashData::Node *>(node)) { } #ifdef QT_STRICT_ITERATORS @@ -387,8 +387,8 @@ public: inline const T &value() const { return concrete(i)->value; } inline const T &operator*() const { return concrete(i)->value; } inline const T *operator->() const { return &concrete(i)->value; } - inline bool operator==(const const_iterator &o) const { return i == o.i; } - inline bool operator!=(const const_iterator &o) const { return i != o.i; } + Q_DECL_CONSTEXPR inline bool operator==(const const_iterator &o) const { return i == o.i; } + Q_DECL_CONSTEXPR inline bool operator!=(const const_iterator &o) const { return i != o.i; } inline const_iterator &operator++() { i = QHashData::nextNode(i); diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h index 9a663c2c20..16442014ff 100644 --- a/src/corelib/tools/qmap.h +++ b/src/corelib/tools/qmap.h @@ -473,7 +473,7 @@ public: typedef const T *pointer; typedef const T &reference; - inline const_iterator() : i(Q_NULLPTR) { } + Q_DECL_CONSTEXPR inline const_iterator() : i(Q_NULLPTR) { } inline const_iterator(const Node *node) : i(node) { } #ifdef QT_STRICT_ITERATORS explicit inline const_iterator(const iterator &o) @@ -486,8 +486,8 @@ public: inline const T &value() const { return i->value; } inline const T &operator*() const { return i->value; } inline const T *operator->() const { return &i->value; } - inline bool operator==(const const_iterator &o) const { return i == o.i; } - inline bool operator!=(const const_iterator &o) const { return i != o.i; } + Q_DECL_CONSTEXPR inline bool operator==(const const_iterator &o) const { return i == o.i; } + Q_DECL_CONSTEXPR inline bool operator!=(const const_iterator &o) const { return i != o.i; } inline const_iterator &operator++() { i = i->nextNode(); |