| Commit message (Collapse) | Author | Age | Files | Lines |
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Keeping a description of the last device error is a more informative to
the user than forcing the string to 'Unknown error'.
Change-Id: Ie98fe1c94f24279fb633ce950bbe16450b0efdbd
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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[ChangeLog][QtCore][QIODevice] Added skip() method to improve
performance in read operations.
Change-Id: I79068a3e9df108756abe37ba3d431e27e7413621
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Compilation and link times in CPU seconds with GCC 7, using precompiled
headers (not including moc, rcc, uic, etc. steps or headersclean):
Before After
Debug -O0 198,1 180,3
Debug -Og 240,7 229,2
Release -O3 267,1 249,2
Release LTO 239,4 229,8
QtCore required a little manual adjusting because some files are
bootstrapped into moc itself and into qmake.
Change-Id: I84e363d735b443cb9beefffd14b8b57c10e7da36
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
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Since 5.7, QIODevice::peek() implementation is based on transaction
mechanism. While technically it's correct, seeking backward on a
buffered random-access device clears the internal buffer that affects
the performance of reading.
To solve the problem, this patch implements peek mode directly inside
the reading procedure.
Task-number: QTBUG-56032
Change-Id: Ic5269f76e44c491a0309e13aba87fa7cf7b9259f
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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Move device-dependent part of the code into the private function for
further reusing by peek() procedure.
Task-number: QTBUG-56032
Change-Id: Iedceafe4b0bab109ca5c64ad274d779efe87c27b
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
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Conflicts:
mkspecs/features/mac/default_pre.prf
mkspecs/features/qpa/genericunixfontdatabase.prf
mkspecs/features/uikit/default_post.prf
mkspecs/features/uikit/resolve_config.prf
mkspecs/macx-ios-clang/features/default_post.prf
mkspecs/macx-ios-clang/features/resolve_config.prf
src/corelib/io/qiodevice.cpp
Change-Id: I6f210f71f177a3c3278a4f380542195e14e4b491
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It unifies handling of QByteArray's size limit in read(), readLine()
and will be used in a follow-up change which optimizes the performance
of QIODevice::peek() function.
Change-Id: Idb9fbbe14d9632ee267d2a0e47c8a88603c024a2
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Conflicts:
qmake/doc/src/qmake-manual.qdoc
src/corelib/global/qglobal.cpp
src/corelib/tools/qstring.cpp
src/network/socket/qabstractsocket.cpp
src/network/socket/qnativesocketengine_unix.cpp
src/plugins/platforms/eglfs/api/qeglfsglobal.h
Change-Id: Id5dfdbd30fa996f9b4b66a0b030b7d3b8c0ef288
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Conflicts:
src/corelib/global/qglobal.cpp
src/corelib/io/qsettings.cpp
src/corelib/itemmodels/qstringlistmodel.cpp
tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp
Change-Id: I1c6c306ef42c3c0234b19907914b19da706b4a03
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As of version 10.12 (Sierra), the name of Apple's desktop operating
system will be macOS. Change the occurrences where the Mac platform
is discussed to use a macro \macos, which expands to 'macOS'. This
helps with adapting to future renaming.
Update the instructions on mac-specific Q_OS_* macro usage.
Add a \target for the old 'Qt for OS X' topic to keep links working
for other documentation modules that try to link with the old name.
Change-Id: Id33fb0cd985df702a4ae4efb4c5fd428e77d9b85
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
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Add protocol-specific code and the QSctpServer, QSctpSocket classes.
Change-Id: Ie9a1d87bd1fda866a2405043d1c15c12ded5a96e
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Conflicts:
src/corelib/global/qglobal.cpp
src/corelib/global/qsysinfo.h
src/corelib/kernel/qcoreapplication_win.cpp
src/gui/text/qdistancefield.cpp
src/gui/text/qdistancefield_p.h
src/plugins/platforms/windows/qwindowsglcontext.cpp
src/plugins/platforms/windows/qwindowsglcontext.h
Change-Id: Ib3500acc2b28553bde06758cd9a2e19eb7fe2978
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And blacklisted a few tests in tst_QUdpSocket.
Conflicts:
src/android/jar/src/org/qtproject/qt5/android/QtNative.java
src/corelib/global/qglobal.cpp
src/corelib/global/qsystemdetection.h
src/corelib/io/qfileselector.cpp
src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldeviceintegration.cpp
tests/auto/network/socket/qudpsocket/BLACKLIST
Task-number: QTBUG-54205
Change-Id: I11dd1c90186eb1b847d45be87a26041f61d89ef6
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This does not seem to be a function that is overloaded.
Change-Id: Icf8942dfb1e78a2ddb38cbd1c49657f745a61989
Reviewed-by: Alex Trotsenko <alex1973tr@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Program can't continue execution, if QByteArray::resize() fails.
Change-Id: I7138cadada0c1ecdb782daa32ab33b16f22291c6
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
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Try to prevent the data from being copied, if we have a chunk with the
same size in the read buffer.
Task-number: QTBUG-19169
Change-Id: I2a9a5c88855988888b56d0ca69ec4e50b8e6ef98
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
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Remove redundant checks.
Change-Id: I766fc08d0d7e48bf7dc2371309f6644c37c3b68b
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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By default, the read chunk size is QIODEVICE_BUFFERSIZE and the write
chunk size is 0 (which means that we don't use the internal write buffer).
Derived classes may override these values to define the size of
QIODevice's write buffer or to optimize the read buffer use.
Bump the TypeInformationVersion field in qtHookData, to notify the
Qt Creator developers that the offset of QFilePrivate::fileName was
changed and dumpers should be adapted.
Change-Id: Ib732bc94be8da8a5514a6e5dcc04445895f130d8
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Some sequential devices allow data to be partitioned into several
channels that have the property of independently sequenced delivery.
Supporting such devices uniformly requires a unified API which provides
the user with a uniform concept of multistreaming.
This patch is based on QProcess's multiplexing model and introduces
the following features:
- ability to get the number of channels;
- multiple internal read/write buffers;
- channel selection functions;
- notification signals on channel activity.
To keep the source code compatible with single-channel implementations,
introduce a private class that references the current read buffer and
hides multistreaming internals from the user.
Bump the TypeInformationVersion field in qtHookData, to notify the
Qt Creator developers that the offset of QFilePrivate::fileName was
changed and dumpers should be adapted.
[ChangeLog][QtCore] Added multistreaming to QIODevice.
Change-Id: Idcaa6a618927c101c4c7284d2a633913be6a6ee2
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@theqtcompany.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see
http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/
Updated license headers to use new LGPL header instead of LGPL21 one
(in those files which will be under LGPL v3)
Change-Id: I046ec3e47b1876cd7b4b0353a576b352e3a946d9
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
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Introduce a transaction mechanism that gives the ability to read the
data atomically. Current implementation supports transactions for both
types of devices. For sequential devices, it records the whole input
stream during transaction. For random-access devices, device position
is saved when transaction starts. If an error occurs, the application
may be able to recover the input stream by rolling back to the start
point.
Also, QIODevice::peek() was rewritten to make use of transactions
internally. The replacement of QIODevicePrivateLinearBuffer by
QRingBuffer is closely entangled with that, which makes it unfeasible
to do separately.
Bump the TypeInformationVersion field in qtHookData, to notify the
Qt Creator developers that the offset of QFilePrivate::fileName was
changed and dumpers should be adapted.
[ChangeLog][QtCore] Added QIODevice's startTransaction(),
commitTransaction(), rollbackTransaction(), isTransactionStarted()
functions to support the read transactions.
Task-number: QTBUG-44418
Change-Id: I3564b343ebeeaaf7c48a1dcdb7ef0a7ffec550f2
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Conflicts:
src/corelib/io/qprocess.cpp
src/corelib/io/qprocess_unix.cpp
src/network/kernel/qnetworkinterface_winrt.cpp
tools/configure/configureapp.cpp
Change-Id: I47df00a01597d2e63b334b492b3b4221b29f58ea
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Task-number: QTBUG-43666
Change-Id: Ibe56a72f9fa7a31a320aceda645fde9b08645271
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Topi Reiniƶ <topi.reinio@digia.com>
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Conflicts:
config.tests/unix/ptrsize.test
configure
src/corelib/global/qnamespace.h
src/network/socket/qabstractsocket.cpp
tests/auto/other/networkselftest/networkselftest.pro
Change-Id: Ic78abb4a34f9068567cea876861d4220f5a07672
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Skip the correct number of bytes in the read buffer when expanding '\n'
into "\r\n" upon writing.
Change-Id: I5b01fc47c330dee5c83001abf0acd7d63d790b96
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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At this point, the buffer is always not empty, as otherwise the offset
could not be smaller than it.
Change-Id: Iec04c0463623c4ed1e86bbcba2240653f110e315
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Conflicts:
qmake/doc/src/qmake-manual.qdoc
src/corelib/tools/qstring.h
src/gui/image/qimagereader.cpp
src/network/access/qnetworkaccessmanager.cpp
src/tools/qdoc/doc/examples/examples.qdoc
src/widgets/accessible/qaccessiblewidgetfactory_p.h
src/widgets/doc/qtwidgets.qdocconf
Change-Id: I8fae62283aebefe24e5ca4b4abd97386560c0fcb
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Change-Id: I4b92ac6b917c9979449b4834764497003d6de087
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
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In current implementation, d->firstRead doesn't provide any
performance improvement.
Change-Id: I5d6e765a7d49cb546998b2c3e908e3c5600e70b1
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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The previous implementation performed reading in two steps:
- flush the internal buffer
- request the rest of the data by calling the read() function
It would resize the result buffer separately at each step, even if its
total size was known in advance. This is important for random-access
devices, which may have big chunks of cached data. Also, possible
failures during the second step would cause a loss of result data from
the first stage. This patch eliminates the initial flush, which improves
performance and prevents data loss.
Change-Id: I3da4c24ee33dca6afc4ba519d078b86068de43b9
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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For sequential devices, duplicated bytesAvailable() calls can produce
different results. To avoid a wrong output, print exactly the same
value as would be returned.
Change-Id: I02615dd7375516f7b263eea56bfcf15e2889e6e3
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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We have established the maximum size qAllocMore can deal with in
commit 880986be2357a1f80827d038d770dc2f80300201 and we should use
it.
The maximum size for byte arrays is reduced by one byte as with
the previous code we could make qAllocMore produce ((1 << 31) - extra)
by passing (1 << 30). That is not a problem for qAllocMore itself
(as long as extra > 0) but it's hard to verify that no related
code casts the total sum back to signed int, which would overflow
to -1.
To make the compiler inline access to the maximum size, a private
enum MaxByteArraySize is provided, which can be used in internal
code.
This fixes the merge of commits
880986be2357a1f80827d038d770dc2f80300201 and
c70658d301e274c3aaa1fb6cebe2a5e56db12779
Change-Id: Idb04856f7c2e53ef383063e7555d3083020ff2b7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Conflicts:
src/corelib/global/qnamespace.qdoc
src/corelib/io/qwindowspipereader.cpp
src/corelib/io/qwindowspipereader_p.h
src/corelib/statemachine/qstatemachine.cpp
src/corelib/statemachine/qstatemachine_p.h
src/plugins/platforms/xcb/qxcbconnection.h
tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
tests/auto/tools/qmake/tst_qmake.cpp
tests/manual/touch/main.cpp
Change-Id: I917d694890e79ee3da7d65134b5b085e23e0dd62
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Now its maximum size is QByteArray::MaxSize not INT_MAX.
Change-Id: Id548b3cb94f910a3212665182280a3a2948dd93e
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Include class name, object name and file name when available.
For the bug in question:
QIODevice::read: device not open
becomes
QIODevice::read (QTcpSocket, "QFtpDTP Passive state socket"): device not open
Adding a static function also makes it easier to set a breakpoint
and find the culprit.
Task-number: QTBUG-46112
Change-Id: Ic181d8ab292912d1acbcc3cb84d9679fe4842ca0
Reviewed-by: Laszlo Papp <lpapp@kde.org>
Reviewed-by: Alex Trotsenko <alex1973tr@gmail.com>
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>
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Also document that the QByteArrray::MaxSize takes a trailing '\0' into
account.
Change-Id: I89e9a0d1a80a49b33efbac16ff7aa2a98f0e5670
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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In certain situations, when reading a large amount of data from
sequential devices with QIODevice::readAll(), content was lost when
passing a qint64 value > QByteArray::MaxSize into QByteArray::resize(),
which takes an int. The result of the conversion to int is either negative or
calculated mod 2^32. In any case, it will at some point be < QByteArray::size(),
which prompts QByteArray to truncate, losing already-read content.
Fix by adding an explicit size check before calling QByteArray::resize().
This shows once more that an API that uses int for sizes is dangerous.
Esp. on 64-bit platforms.
Change-Id: I30fbfad0bf37476c34141b6f3786e7e0fc8e1e74
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Change-Id: I004854a25ebbf12b1fda88900162fe7878716c58
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Use the name "OS X" instead of "Mac OS X", "Mac OS" and "OSX",
and mention iOS. Replace "Carbon Preferences API" by
"CFPreferences API" in the QSettings documentation.
Change-Id: Ia7f9fb874276c7c445a1649df521b96ff43daa0c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Venugopal Shivashankar <venugopal.shivashankar@digia.com>
Reviewed-by: Topi Reiniƶ <topi.reinio@digia.com>
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After flushing the internal buffer, QIODevice::readAll() attempts
to read the device incrementally. On each iteration, the result buffer
size is increased by a constant value independently from the number of
read bytes. This lead to unreasonable growth of the buffer if these
additional conditions were met:
- readData() requests new data from the device on every call;
- highly loaded device provides at least one byte on each request.
Instead of constant resizing, keep the size of free block to avoid a
possible memory exhaustion.
Task-number: QTBUG-44286
Change-Id: I637e2d0e05bd900a1bb9517af2fe7d8038c75a35
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Concept of 'current position' exists only for random-access devices.
As documented, for sequential devices QIODevice::pos() must always
return 0. Prevent a modification of the internal 'pos' member in
QIODevice::readAll() method to follow this rule.
Change-Id: Ida2ee6a629ccfc3068d62f95ab1064ada13fdda5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
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Conflicts:
mkspecs/android-g++/qmake.conf
qmake/generators/unix/unixmake2.cpp
src/gui/image/qimage_conversions.cpp
Change-Id: Ib76264b8c2d29a0228438ec02bd97d4b97545be0
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The same qt_timeout_value function was copied 5 times in qtbase's code,
so provide a common implementation in QIoDevice that can be used by
everyone.
This commit also corrects the remaining time calculation in
QProcess::waitForBytesWritten and QProcess::waitForFinished by using
this new function.
For QProcess::waitForFinished, if the process started within almost exactly
the timeout time passed to waitForFinished, msecs - stopWatch.elapsed() would
be -1, which is a special value.
Change-Id: I7b76ee6bae695eafdd02e3db03e2ff1e23a7f40c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Change-Id: I77354a3069b256135c5792975a1445bcbe816e20
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
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Conflicts:
examples/xml/htmlinfo/simpleexample.html
examples/xml/rsslisting/rsslisting.cpp
qmake/generators/win32/msbuild_objectmodel.cpp
src/3rdparty/harfbuzz-ng/src/hb-private.hh
src/corelib/global/qlogging.cpp
src/corelib/io/qstorageinfo_unix.cpp
src/corelib/thread/qwaitcondition_unix.cpp
src/gui/kernel/qguiapplication.cpp
src/plugins/platforms/linuxfb/qlinuxfbintegration.cpp
src/testlib/doc/src/qt-webpages.qdoc
tests/auto/other/qaccessibility/tst_qaccessibility.cpp
Change-Id: Ib272ff0bc30a1a5d51275eb3cd2f201dc82c11ff
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Task-number: QTBUG-43115
Change-Id: I31da92e3a7c4dd7b75ee283dbfecd77e284978ca
Reviewed-by: Martin Smith <martin.smith@digia.com>
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Qt copyrights are now in The Qt Company, so we could update the source
code headers accordingly. In the same go we should also fix the links to
point to qt.io.
Outdated header.LGPL removed (use header.LGPL21 instead)
Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing
combination. New header.LGPL-COMM taken in the use file which were
using old header.LGPL3 (src/plugins/platforms/android/extract.cpp)
Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license
combination
Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe
Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
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Most of the QIODevice functions already have a locally cached
"sequential" flag. Make the rest of them follow this strategy.
This eliminates the need to use private caching members.
Change-Id: I0edb2c9b7c5f411c5bee25c425e7b40e3c9021d3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: hjk <hjk@theqtcompany.com>
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This does not try to remove support for RVCT. There has been no report
of it working or failing to work, so the status continues to be unknown.
In particular, the inline assembly code in atomic_armv[56].h remains in
place.
This commit only removes workarounds for compiler bugs or bogus
warnings, assuming that anyone using this compiler has updated since Qt
last tried to use it for Symbian in 2011. Note also how anonymous unions
are now part of the language in C++11.
Change-Id: Idc4fab092beb31239eb08b7e139bce2602adae81
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Conflicts:
src/corelib/tools/qbytearray.cpp
src/gui/kernel/qplatformsystemtrayicon.cpp
src/gui/kernel/qplatformsystemtrayicon.h
src/plugins/platforms/xcb/xcb-plugin.pro
Change-Id: I00355d3908b678af8a61c38f9e814a63df808c79
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