Commit Graph

12 Commits (e23ea6a5d3bf09921bb98150a4f0f504e77ef4a3)

Author SHA1 Message Date
Thiago Macieira 06c724881c QStringBuilder: use data_ptr().data() instead of constData()
As the comment says, this allows us to skip the check for non-detached
strings and for null ones. We know that the one we've just created isn't
either, so long as len != 0. All QConcatenable::appendTo() calls do
nothing if len == 0, including not calling memcpy() at all.

Moreover, because it no longer references the QByteArray::_empty
variable, the GCC -Warray-bounds warning should be gone too.

Task-number: QTBUG-116763
Pick-to: 6.7 6.6 6.5
Change-Id: Ica7a43f6147b49c187ccfffd179eba2897ce2aff
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
2023-12-12 01:41:05 +00:00
Thiago Macieira 9aaf12ebaa Work around GCC 13's bogus "out of bounds" check to QByteArray::_empty
Nothing here is empty and even if anything were, QStringBuilder properly
handles empty strings.

In static member function ‘static void QConcatenable<QByteArrayView>::appendTo(QByteArrayView, char*&)’,
    inlined from ‘static void QConcatenable<QStringBuilder< <template-parameter-1-1>, <template-parameter-1-2> > >::appendTo(const type&, T*&) [with T = char; A = QByteArrayView; B = const char (&)[20]]’ at qstringbuilder.h:398:37,
    inlined from ‘T QStringBuilder< <template-parameter-1-1>, <template-parameter-1-2> >::convertTo() const [with T = QByteArray; A = QByteArrayView; B = const char (&)[20]]’ at qstringbuilder.h:117:54,
    ...
qstringbuilder.h:178:19: error: ‘void* memcpy(void*, const void*, size_t)’ forming offset [1, 5] is out of the bounds [0, 1] of object ‘QByteArray::_empty’ with type ‘const char’ [-Werror=array-bounds=]

QStringBuilder::convertTo() creates the target as
        const qsizetype len = QConcatenable< QStringBuilder<A, B> >::size(*this);
        T s(len, Qt::Uninitialized);

We know len can't be zero because GCC is complaining about a memcpy()
when the offset has been changed from 0, meaning QByteArray was given a
non-zero size and therefore its data pointer is not &QByteArray::_empty.

Fixes: QTBUG-116763
Pick-to: 6.5 6.6
Change-Id: I85599ea5ca7a4b79a8bbfffd178af437984080fb
Reviewed-by: Shawn Rutledge (away) <shawn.rutledge@qt.io>
2023-10-15 18:36:25 -07:00
Shawn Rutledge 300614a170 Fix gcc 13 fatal warning: emplace_back() rather than append()
Fixes: QTBUG-116763
Pick-to: 6.6
Change-Id: Ie7c897deb14fcd1ff27277892f0c5a151ff63b41
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
2023-09-19 01:06:12 +02:00
Anton Kudryavtsev 28aee90093 qimagereaderwriterhelpers: deduplicate literal
Extract literal to constexpr function and reuse it

Change-Id: I0a1ec24cb67e413222c826f2f26d78e16459ff8c
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2023-09-02 12:36:00 +00:00
Anton Kudryavtsev b770b0f8b9 imageFormatsForMimeType: port to QBAV
to reduce allocations

Change-Id: Ic48616d0627cb1dfee5f844bee263a59a430d9ba
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2023-09-01 14:47:28 +00:00
Friedemann Kleint 438096371c QtGui: Disambiguate static variables
They cause clashes in CMake Unity (Jumbo) builds.

Pick-to: 6.5
Task-number: QTBUG-109394
Change-Id: I3c51fb41d29e5c649537b999dced7e2d413b26a7
Done-with: Amir Masoud Abdol <amir.abdol@qt.io>
Reviewed-by: Axel Spoerl <axel.spoerl@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Amir Masoud Abdol <amir.abdol@qt.io>
2023-02-03 21:48:19 +01:00
Lucie Gérard 05fc3aef53 Use SPDX license identifiers
Replace the current license disclaimer in files by
a SPDX-License-Identifier.
Files that have to be modified by hand are modified.
License files are organized under LICENSES directory.

Task-number: QTBUG-67283
Change-Id: Id880c92784c40f3bbde861c0d93f58151c18b9f1
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
2022-05-16 16:37:38 +02:00
Sona Kurazyan 7b6b133746 QtGui: use _L1 for for creating Latin-1 string literals
Task-number: QTBUG-98434
Change-Id: Idcb71c1d27125333a53b6bdd3e1af0d4c66617fa
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
2022-04-28 05:58:52 +02:00
Thiago Macieira a0d66b60b7 QFactoryLoader: continue the port from JSON to CBOR
This continues the effort from the previous commit, by not passing
through the JSON conversion at all, and simply using CBOR directly.

The port in qtbase is complete, but in order to support the conversion
in other modules without introducing breakages, there's a temporary
class used for converting to QPluginParsedMetaData from
QJsonObject. It'll be removed once all other modules have finished
converting.

Change-Id: I2de1b4dfacd443148279fffd16a3ed4ddaf34afc
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2021-10-20 22:04:03 -07:00
Allan Sandfeld Jensen ece0c0a5e7 Tidy nullptr usage
Move away from using 0 as pointer literal.

Done using clang-tidy. This is not complete as
run-clang-tidy can't handle all of qtbase in one go.

Change-Id: I1076a21f32aac0dab078af6f175f7508145eece0
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
2019-12-06 12:13:20 +01:00
Alexander Volkov 37217c57fa Introduce QImage{Reader,Writer}::imageFormatsForMimeType()
It can be used if, for example, you get an image MIME type
from the user, and you want to find the appropriate format
for loading or saving this image.

Task-number: QTBUG-49714
Change-Id: Iae5a7e9d658d6c3d1cd750a8bbc279f1812f99df
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
2018-02-27 12:49:40 +00:00
Alexander Volkov f104d52737 Avoid code duplication in QImage{Reader,Writer}
Extract code related to supportedImageFormats() and
supportedMimeTypes() into QImageReaderWriterHelpers
namespace.

Change-Id: If0f56682072859be1b6f07afd7737431325827fc
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
2018-02-11 13:26:15 +00:00