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Caolán McNamara 0181f557b3 forcepoint#97 avoid Invalid read of size 2
==143282== Invalid read of size 2
 ==143282==    at 0x190CDBFC: SfxItemSet::Count() const (itemset.hxx:96)
 ==143282==    by 0x1910F33E: SfxItemSet::Get(unsigned short, bool) const (itemset.cxx:748)
 ==143282==    by 0x1F14D76C: ScPatternAttr::GetItem(unsigned short, SfxItemSet const&, SfxItemSet const*) (patattr.cxx:1347)
 ==143282==    by 0x1F14D7DA: ScPatternAttr::GetItem(unsigned short, SfxItemSet const*) const (patattr.cxx:1352)
 ==143282==    by 0x202A3E44: ScLineBreakCell const& ScPatternAttr::GetItem<ScLineBreakCell>(TypedWhichId<ScLineBreakCell>, SfxItemSet const*) const (patattr.hxx:83)
 ==143282==    by 0x2028E8BC: ScOutputData::LayoutStrings(bool, bool, ScAddress const&) (output2.cxx:1677)
 ==143282==    by 0x2028D4A8: ScOutputData::DrawStrings(bool) (output2.cxx:1473)
 ==143282==    by 0x202D9879: ScPrintFunc::PrintArea(short, int, short, int, long, long, bool, bool, bool, bool) (printfun.cxx:1675)
 ==143282==    by 0x202DD459: ScPrintFunc::PrintPage(long, short, int, short, int, bool, ScPreviewLocationData*) (printfun.cxx:2301)
 ==143282==    by 0x202DF491: ScPrintFunc::DoPrint(MultiSelection const&, long, long, bool, ScPreviewLocationData*) (printfun.cxx:2713)
 ==143282==    by 0x20031888: ScModelObj::render(int, com::sun::uno::Any const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (docuno.cxx:2259)
 ==143282==    by 0x30C1A485: PDFExport::ExportSelection(vcl::PDFWriter&, com::sun::uno::Reference<com::sun::view::XRenderable> const&, com::sun::uno::Any const&, StringRangeEnumerator const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue>&, int) (pdfexport.cxx:219)
 ==143282==    by 0x30C1F879: PDFExport::Export(rtl::OUString const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (pdfexport.cxx:987)
 ==143282==    by 0x30C33BA2: PDFFilter::implExport(com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (pdffilter.cxx:174)
 ==143282==    by 0x30C33F2A: PDFFilter::filter(com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (pdffilter.cxx:237)
 ==143282==    by 0x21AC6986: SfxObjectShell::ExportTo(SfxMedium&) (objstor.cxx:2488)
 ==143282==    by 0x21AC2363: SfxObjectShell::SaveTo_Impl(SfxMedium&, SfxItemSet const*) (objstor.cxx:1553)
 ==143282==    by 0x21ACE816: SfxObjectShell::PreDoSaveAs_Impl(rtl::OUString const&, rtl::OUString const&, SfxItemSet const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (objstor.cxx:2966)
 ==143282==    by 0x21ACCA87: SfxObjectShell::CommonSaveAs_Impl(INetURLObject const&, rtl::OUString const&, SfxItemSet&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (objstor.cxx:2756)
 ==143282==    by 0x21AA8CDB: SfxObjectShell::APISaveAs_Impl(rtl::OUString const&, SfxItemSet&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (objserv.cxx:317)
 ==143282==    by 0x21B2B4AD: SfxBaseModel::impl_store(rtl::OUString const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&, bool) (sfxbasemodel.cxx:3132)
 ==143282==    by 0x21B2CB12: SfxBaseModel::storeToURL(rtl::OUString const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (sfxbasemodel.cxx:1768)
 ==143282==    by 0x1C507AFE: ScPDFExportTest::exportToPDF(com::sun::uno::Reference<com::sun::frame::XModel> const&, ScRange const&) (scpdfexport.cxx:192)
 ==143282==    by 0x1C511A33: ScPDFExportTest::testForcepoint97() (scpdfexport.cxx:571)
 ==143282==    by 0x1C52778D: void std::__invoke_impl<void, void (ScPDFExportTest::*&)(), ScPDFExportTest*&>(std::__invoke_memfun_deref, void (ScPDFExportTest::*&)(), ScPDFExportTest*&) (invoke.h:74)
 ==143282==    by 0x1C5276C1: std::__invoke_result<void (ScPDFExportTest::*&)(), ScPDFExportTest*&>::type std::__invoke<void (ScPDFExportTest::*&)(), ScPDFExportTest*&>(void (ScPDFExportTest::*&)(), ScPDFExportTest*&) (invoke.h:96)
 ==143282==    by 0x1C527659: void std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) (functional:420)
 ==143282==    by 0x1C5275E2: void std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>::operator()<, void>() (functional:503)
 ==143282==    by 0x1C52758C: void std::__invoke_impl<void, std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>&>(std::__invoke_other, std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>&) (invoke.h:61)
 ==143282==    by 0x1C52753C: std::enable_if<is_invocable_r_v<void, std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>&>, void>::type std::__invoke_r<void, std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>&>(std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()>&) (invoke.h:111)
 ==143282==    by 0x1C52731C: std::_Function_handler<void (), std::_Bind<void (ScPDFExportTest::*(ScPDFExportTest*))()> >::_M_invoke(std::_Any_data const&) (std_function.h:290)
 ==143282==    by 0x1C527A34: std::function<void ()>::operator()() const (std_function.h:590)
 ==143282==    by 0x1C527078: CppUnit::TestCaller<ScPDFExportTest>::runTest() (TestCaller.h:175)
 ==143282==    by 0x49326F2: CppUnit::TestCaseMethodFunctor::operator()() const (TestCase.cpp:32)
 ==143282==    by 0x15937E3D: (anonymous namespace)::Protector::protect(CppUnit::Functor const&, CppUnit::ProtectorContext const&) (vclbootstrapprotector.cxx:46)
 ==143282==    by 0x4929ED1: CppUnit::ProtectorChain::ProtectFunctor::operator()() const (ProtectorChain.cpp:20)
 ==143282==    by 0x4B05D6D: (anonymous namespace)::Prot::protect(CppUnit::Functor const&, CppUnit::ProtectorContext const&) (unobootstrapprotector.cxx:78)
 ==143282==    by 0x4929ED1: CppUnit::ProtectorChain::ProtectFunctor::operator()() const (ProtectorChain.cpp:20)
 ==143282==    by 0x4AF2F2A: (anonymous namespace)::Prot::protect(CppUnit::Functor const&, CppUnit::ProtectorContext const&) (unoexceptionprotector.cxx:62)
 ==143282==    by 0x4929ED1: CppUnit::ProtectorChain::ProtectFunctor::operator()() const (ProtectorChain.cpp:20)
 ==143282==    by 0x491261E: CppUnit::DefaultProtector::protect(CppUnit::Functor const&, CppUnit::ProtectorContext const&) (DefaultProtector.cpp:15)
 ==143282==    by 0x4929ED1: CppUnit::ProtectorChain::ProtectFunctor::operator()() const (ProtectorChain.cpp:20)
 ==143282==    by 0x4928690: CppUnit::ProtectorChain::protect(CppUnit::Functor const&, CppUnit::ProtectorContext const&) (ProtectorChain.cpp:86)
 ==143282==    by 0x4946ACD: CppUnit::TestResult::protect(CppUnit::Functor const&, CppUnit::Test*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) (TestResult.cpp:182)
 ==143282==    by 0x4932103: CppUnit::TestCase::run(CppUnit::TestResult*) (TestCase.cpp:91)
 ==143282==    by 0x4932BCF: CppUnit::TestComposite::doRunChildTests(CppUnit::TestResult*) (TestComposite.cpp:64)
 ==143282==    by 0x4932A5F: CppUnit::TestComposite::run(CppUnit::TestResult*) (TestComposite.cpp:23)
 ==143282==    by 0x4932BCF: CppUnit::TestComposite::doRunChildTests(CppUnit::TestResult*) (TestComposite.cpp:64)
 ==143282==    by 0x4932A5F: CppUnit::TestComposite::run(CppUnit::TestResult*) (TestComposite.cpp:23)
 ==143282==    by 0x494FDBF: CppUnit::TestRunner::WrappingSuite::run(CppUnit::TestResult*) (TestRunner.cpp:47)
 ==143282==  Address 0x1d7624b0 is 64 bytes inside a block of size 120 free'd
 ==143282==    at 0x4847669: operator delete(void*) (vg_replace_malloc.c:923)
 ==143282==    by 0x1F150EA1: ScPatternAttr::~ScPatternAttr() (patattr.hxx:53)
 ==143282==    by 0x190D29B2: SfxItemPool::Remove(SfxPoolItem const&) (itempool.cxx:802)
 ==143282==    by 0x1EA27F8E: ScAttrArray::SetPatternAreaImpl(int, int, ScPatternAttr const*, bool, ScEditDataArray*, bool) (attarray.cxx:574)
 ==143282==    by 0x1EBF43D5: ScAttrArray::SetPattern(int, ScPatternAttr const*, bool) (attarray.hxx:148)
 ==143282==    by 0x1EBD9068: ScColumn::ApplyAttr(int, SfxPoolItem const&) (column.cxx:634)
 ==143282==    by 0x1EC6C1EB: ScColumn::SetNumberFormat(int, unsigned int) (column2.cxx:3094)
 ==143282==    by 0x1F1CB737: ScTable::SetNumberFormat(short, int, unsigned int) (table2.cxx:2238)
 ==143282==    by 0x1EE3F135: ScDocument::SetNumberFormat(ScAddress const&, unsigned int) (document.cxx:3717)
 ==143282==    by 0x1F09CCA5: ScFormulaCell::InterpretTail(ScInterpreterContext&, ScFormulaCell::ScInterpretTailParameter) (formulacell.cxx:2155)
 ==143282==    by 0x1F099D9F: ScFormulaCell::Interpret(int, int) (formulacell.cxx:1615)
 ==143282==    by 0x1ECC048D: ScFormulaCell::MaybeInterpret() (formulacell.hxx:465)
 ==143282==    by 0x1F09F5C8: ScFormulaCell::IsValue() (formulacell.cxx:2760)
 ==143282==    by 0x1EA82355: (anonymous namespace)::hasNumericImpl(CellType, ScFormulaCell*) (cellvalue.cxx:155)
 ==143282==    by 0x1EA822FA: ScRefCellValue::hasNumeric() const (cellvalue.cxx:624)
 ==143282==    by 0x2028E876: ScOutputData::LayoutStrings(bool, bool, ScAddress const&) (output2.cxx:1676)
 ==143282==    by 0x2028D4A8: ScOutputData::DrawStrings(bool) (output2.cxx:1473)
 ==143282==    by 0x202D9879: ScPrintFunc::PrintArea(short, int, short, int, long, long, bool, bool, bool, bool) (printfun.cxx:1675)
 ==143282==    by 0x202DD459: ScPrintFunc::PrintPage(long, short, int, short, int, bool, ScPreviewLocationData*) (printfun.cxx:2301)
 ==143282==    by 0x202DF491: ScPrintFunc::DoPrint(MultiSelection const&, long, long, bool, ScPreviewLocationData*) (printfun.cxx:2713)
 ==143282==    by 0x20031888: ScModelObj::render(int, com::sun::uno::Any const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue> const&) (docuno.cxx:2259)
 ==143282==    by 0x30C1A485: PDFExport::ExportSelection(vcl::PDFWriter&, com::sun::uno::Reference<com::sun::view::XRenderable> const&, com::sun::uno::Any const&, StringRangeEnumerator const&, com::sun::uno::Sequence<com::sun:🫘:PropertyValue>&, int) (pdfexport.cxx:219)

Change-Id: Idf19b79f5aef7e07666249f5f9ec510003a3f886
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132431
Tested-by: Jenkins
Reviewed-by: Eike Rathke <erack@redhat.com>
2022-05-16 15:40:27 +02:00
.git-hooks
.github rdm#3572 update github-repo lockdown 2022-05-10 10:24:33 +02:00
.vscode
accessibility Just use Any ctor instead of makeAny in accessibility 2022-05-05 07:14:56 +02:00
android Fix typo in code 2022-05-09 23:45:49 +02:00
animations osl::Mutex->std::mutex in TimeContainerEnumeration 2022-05-07 14:24:10 +02:00
apple_remote
avmedia Just use Any ctor instead of makeAny in avmedia 2022-05-05 07:57:49 +02:00
basctl tdf#147021 Use std::size() instead of SAL_N_ELEMENTS() macro 2022-05-09 20:42:03 +02:00
basegfx basegfx: generalize B2DRange and B2IRange with Range2D template 2022-05-11 10:12:59 +02:00
basic in SbUnoObject constructor, only query for XTypeProvider 2022-05-11 21:55:45 +02:00
bean
bin these members can be private 2022-05-12 12:25:36 +02:00
binaryurp tdf#147021 Use std::size() instead of SAL_N_ELEMENTS() macro 2022-05-09 20:42:03 +02:00
bridges use more o3tl::getToken 2022-05-05 12:57:00 +02:00
canvas tdf#147021 Use std::size() instead of SAL_N_ELEMENTS() macro 2022-05-09 20:42:03 +02:00
chart2 chart2: prefix VDataSeries members, rename Double to m_aValues 2022-05-11 01:58:50 +02:00
cli_ure Just use Any ctor instead of makeAny in cli_ure 2022-05-04 22:43:37 +02:00
codemaker
comphelper don't construct SequenceAsHashMap just to extract a couple of properties 2022-05-15 21:39:24 +02:00
compilerplugins loplugin:unusedvariableplus 2022-05-05 17:35:08 +02:00
config_host enable Skia on big-endian too 2022-05-09 09:14:11 +02:00
configmgr use boost::flat_map in config_map 2022-05-15 21:39:58 +02:00
connectivity add SvStream::ReadLine(OStringBuffer... to reduce OString allocation 2022-05-13 11:11:27 +02:00
cppcanvas tdf#147021 Use std::size() instead of SAL_N_ELEMENTS() macro 2022-05-09 20:42:03 +02:00
cppu osl::Mutex->std::mutex in cppu::MappingsData 2022-05-09 10:15:24 +02:00
cppuhelper tdf#147021 Use std::size() instead of SAL_N_ELEMENTS() macro 2022-05-09 20:42:03 +02:00
cpputools
cui add SvStream::ReadLine(OStringBuffer... to reduce OString allocation 2022-05-13 11:11:27 +02:00
dbaccess Add extended tips for Direct SQL dialog 2022-05-14 17:23:11 +02:00
desktop sw content controls, dropdown: add LOK API 2022-05-13 09:10:25 +02:00
dictionaries@d4165a5a9b Update git submodules 2022-05-10 10:42:42 +02:00
distro-configs
drawinglayer Fix typo 2022-05-14 18:14:41 +02:00
editeng tdf#149079 don't skip disposing DnDListener 2022-05-14 19:17:03 +02:00
embeddedobj tdf#121740 cache hashcode in SequenceAsHashMap 2022-05-14 19:14:19 +02:00
embedserv
emfio tdf#142261 EMF+ Add support for Miter Limit 2022-05-13 13:49:18 +02:00
eventattacher
extensions loplugin:unusedvariableplus 2022-05-05 17:35:08 +02:00
external curl: upgrade to release 7.83.1 2022-05-12 17:04:33 +02:00
extras
filter tdf#121740 elide temporary CacheItem object in BaseContainer::getByName 2022-05-16 15:14:13 +02:00
forms
formula
fpicker tdf#62776 expand tooltips for + and - 2022-05-16 03:44:10 +02:00
framework use more string_view in URLTransformer::parseStrict 2022-05-16 11:05:30 +02:00
helpcompiler use more o3tl::getToken 2022-05-05 12:57:00 +02:00
helpcontent2@b62a15c05d Update git submodules 2022-05-16 10:47:20 +02:00
hwpfilter ofz#47473 OOM just skip the unused "reserved" data on read 2022-05-16 09:57:23 +02:00
i18nlangtag
i18npool
i18nutil
icon-themes
idl add SvStream::ReadLine(OStringBuffer... to reduce OString allocation 2022-05-13 11:11:27 +02:00
idlc Remove duplicated includes 2022-05-06 07:07:10 +02:00
include make SharedString move operator= inline (tdf#126109) 2022-05-16 09:04:24 +02:00
instsetoo_native
io URE Library_io should not depend on Library_comphelper 2022-05-09 17:56:47 +02:00
ios
javaunohelper
jurt
jvmaccess
jvmfwk use more o3tl::getToken 2022-05-05 12:57:00 +02:00
l10ntools use more o3tl::getToken 2022-05-05 12:57:00 +02:00
librelogo
libreofficekit sw content controls, dropdown: add LOK API 2022-05-13 09:10:25 +02:00
lingucomponent use more o3tl::getToken 2022-05-05 12:57:00 +02:00
linguistic add SvStream::ReadLine(OStringBuffer... to reduce OString allocation 2022-05-13 11:11:27 +02:00
lotuswordpro
m4
nlpsolver
o3tl
odk
offapi
officecfg tdf#149050 fix .uno:Gallery not opening Gallery deck 2022-05-16 00:24:23 +02:00
onlineupdate
oovbaapi
oox use more string_view in oox 2022-05-14 11:47:29 +02:00
opencl
osx
package tdf#121740 cache hashcode in SequenceAsHashMap 2022-05-14 19:14:19 +02:00
pch
postprocess Fix typo 2022-05-14 14:08:53 +02:00
pyuno
qadevOOo qa: Fix occlusion check coordinates in _XAccessibleComponent.java 2022-05-10 16:13:03 +02:00
readlicense_oo update credits 2022-05-06 16:08:23 +02:00
registry
remotebridges
reportbuilder
reportdesign speed up simple use of NamedValueCollection 2022-05-12 18:03:46 +02:00
ridljar
sal pthread_mutex_t->std::mutex in lookupThreadId 2022-05-14 13:45:47 +02:00
salhelper
sax osl::Mutex->std::mutex in SaxExpatParser 2022-05-08 20:50:34 +02:00
sc forcepoint#97 avoid Invalid read of size 2 2022-05-16 15:40:27 +02:00
scaddins
sccomp remove unnecessary sequenceToContainer 2022-05-06 21:52:00 +02:00
schema sw content controls, drop-down: add ODT filter 2022-05-09 11:16:54 +02:00
scp2
scripting speed up simple use of NamedValueCollection 2022-05-12 18:03:46 +02:00
sd add SvStream::ReadLine(OStringBuffer... to reduce OString allocation 2022-05-13 11:11:27 +02:00
sdext
setup_native Add error handling to RenamePrgFolder and RemovePrgFolder 2022-05-11 14:18:44 +02:00
sfx2 optimise SfxFilterMatcher::GetFilterForProps a little 2022-05-14 18:40:33 +02:00
shell Library_syssh must link against expat when using StaticLibrary_shell_xmlparser 2022-05-11 16:16:35 +02:00
slideshow osl::Mutex->std::mutex in slideshow::EventQueue 2022-05-08 16:38:52 +02:00
smoketest
solenv enable libc++ debug mode again if available 2022-05-16 09:05:13 +02:00
soltools
sot tdf#121740 avoid some temporary OUString construction 2022-05-12 11:38:42 +02:00
starmath elid some OUString construction in SmXMLExportWrapper::Export 2022-05-14 17:30:46 +02:00
static
stoc officecfg,stoc: allow running JVM UNO components out-of-process 2022-05-13 16:33:39 +02:00
store
svgio
svl std::stable_sort() where libc++ debug mode breaks a unittest 2022-05-16 09:05:00 +02:00
svtools tdf#147590 update OLE object after document refresh 2022-05-10 09:02:01 +02:00
svx Fix typo 2022-05-14 18:15:20 +02:00
sw sw content controls, dropdown: edit list items in the properties dialog 2022-05-16 15:26:22 +02:00
swext
sysui
test
testtools
toolkit tdf#148706: map value prop in numericfield to text 2022-05-13 10:40:19 +02:00
tools add SvStream::ReadLine(OStringBuffer... to reduce OString allocation 2022-05-13 11:11:27 +02:00
translations@9ef7b8c2ec Update git submodules 2022-05-12 13:05:26 +02:00
ucb pass-by-value in TaskManager::MyProperty::setValue 2022-05-14 14:44:14 +02:00
ucbhelper tdf#121740 fast path in cancelCommandExecution 2022-05-07 15:26:06 +02:00
udkapi
uitest
UnoControls
unodevtools
unoidl
unoil
unotest
unotools cache string in DocInfoHelper::GetGeneratorString 2022-05-15 21:40:17 +02:00
unoxml osl::Mutex->std::mutex in librdf_NamedGraph 2022-05-07 12:50:20 +02:00
ure
uui
vbahelper More usual 1899-12-30 base Date in Basic 2022-05-10 06:58:24 +02:00
vcl optimise common case of reading a single-pass PNG 2022-05-16 08:08:09 +02:00
winaccessibility
wizards ScriptForge - (SF_Dialog) FIX comments in Resize() method 2022-05-10 18:55:45 +02:00
writerfilter sw content controls, drop-down: add DOCX import 2022-05-11 09:25:27 +02:00
writerperfect
xmerge
xmlhelp
xmloff elide some OUString construction in GetViewSettingsAndViews 2022-05-14 13:46:35 +02:00
xmlreader
xmlscript
xmlsecurity remove unnecessary sequenceToContainer 2022-05-06 21:52:00 +02:00
.buckconfig
.buckversion
.clang-format
.editorconfig
.git-blame-ignore-revs
.gitattributes
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.gitmodules
.gitpod.dockerfile
.gitpod.yml
.gitreview
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BUCK
config.guess
config.sub
config_host.mk.in enable libc++ debug mode again if available 2022-05-16 09:05:13 +02:00
config_host_lang.mk.in
configure.ac enable libc++ debug mode again if available 2022-05-16 09:05:13 +02:00
COPYING
COPYING.LGPL
COPYING.MPL
download.lst curl: upgrade to release 7.83.1 2022-05-12 17:04:33 +02:00
g
hardened_runtime.xcent.in
install-sh
install_deps.sh
leak-suppress.txt
Library_merged.mk
lo.xcent
logerrit
Makefile.fetch
Makefile.gbuild
Makefile.in
README.cross
README.help.md
README.md Warn if Visual Studio 2019 version is < 16.10 2022-05-05 17:26:12 +02:00
README.Solaris
Repository.mk
RepositoryExternal.mk
RepositoryFixes.mk
RepositoryModule_build.mk
RepositoryModule_host.mk
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tsan-suppress.txt

LibreOffice

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LibreOffice is an integrated office suite based on copyleft licenses and compatible with most document formats and standards. Libreoffice is backed by The Document Foundation, which represents a large independent community of enterprises, developers and other volunteers moved by the common goal of bringing to the market the best software for personal productivity. LibreOffice is open source, and free to download, use and distribute.

A quick overview of the LibreOffice code structure.

Overview

You can develop for LibreOffice in one of two ways, one recommended and one much less so. First the somewhat less recommended way: it is possible to use the SDK to develop an extension, for which you can read the API docs and Developers Guide. This re-uses the (extremely generic) UNO APIs that are also used by macro scripting in StarBasic.

The best way to add a generally useful feature to LibreOffice is to work on the code base however. Overall this way makes it easier to compile and build your code, it avoids any arbitrary limitations of our scripting APIs, and in general is far more simple and intuitive - if you are a reasonably able C++ programmer.

The Build Chain and Runtime Baselines

These are the current minimal operating system and compiler versions to run and compile LibreOffice, also used by the TDF builds:

  • Windows:
    • Runtime: Windows 7
    • Build: Cygwin + Visual Studio 2019 version 16.10
  • macOS:
    • Runtime: 10.13
    • Build: 11.0 + Xcode 12.5
  • Linux:
    • Runtime: RHEL 7 or CentOS 7
    • Build: either GCC 7.0.0; or Clang 8.0.1 with libstdc++ 7.3.0
  • iOS (only for LibreOfficeKit):
    • Runtime: 11.4 (only support for newer i devices == 64 bit)
    • Build: Xcode 9.3 and iPhone SDK 11.4
  • Android:
    • Build: NDK r19c and SDK 22.6.2
  • Emscripten / WASM:
    • Runtime: a browser with SharedMemory support (threads + atomics)
    • Build: Qt 5.15 with Qt supported Emscripten 1.39.8
    • See README.wasm

If you want to use Clang with the LibreOffice compiler plugins, the minimal version of Clang is 12.0.1. Since Xcode doesn't provide the compiler plugin headers, you have to compile your own Clang to use them on macOS.

You can find the TDF configure switches in the distro-configs/ directory.

To setup your initial build environment on Windows and macOS, we provide the LibreOffice Development Environment (LODE) scripts.

For more information see the build instructions for your platform in the TDF wiki.

The Important Bits of Code

Each module should have a README.md file inside it which has some degree of documentation for that module; patches are most welcome to improve those. We have those turned into a web page here:

https://docs.libreoffice.org/

However, there are two hundred modules, many of them of only peripheral interest for a specialist audience. So - where is the good stuff, the code that is most useful. Here is a quick overview of the most important ones:

Module Description
sal/ this provides a simple System Abstraction Layer
tools/ this provides basic internal types: Rectangle, Color etc.
vcl/ this is the widget toolkit library and one rendering abstraction
framework/ UNO framework, responsible for building toolbars, menus, status bars, and the chrome around the document using widgets from VCL, and XML descriptions from /uiconfig/ files
sfx2/ legacy core framework used by Writer/Calc/Draw: document model / load/save / signals for actions etc.
svx/ drawing model related helper code, including much of Draw/Impress

Then applications

Module Description
desktop/ this is where the main() for the application lives, init / bootstrap. the name dates back to an ancient StarOffice that also drew a desktop
sw/ Writer
sc/ Calc
sd/ Draw / Impress

There are several other libraries that are helpful from a graphical perspective:

Module Description
basegfx/ algorithms and data-types for graphics as used in the canvas
canvas/ new (UNO) canvas rendering model with various backends
cppcanvas/ C++ helper classes for using the UNO canvas
drawinglayer/ View code to render drawable objects and break them down into primitives we can render more easily.

Rules for #include Directives (C/C++)

Use the "..." form if and only if the included file is found next to the including file. Otherwise, use the <...> form. (For further details, see the mail Re: C[++]: Normalizing include syntax ("" vs <>).)

The UNO API include files should consistently use double quotes, for the benefit of external users of this API.

loplugin:includeform (compilerplugins/clang/includeform.cxx) enforces these rules.

Finding Out More

Beyond this, you can read the README.md files, send us patches, ask on the mailing list libreoffice@lists.freedesktop.org (no subscription required) or poke people on IRC #libreoffice-dev on irc.libera.chat - we're a friendly and generally helpful mob. We know the code can be hard to get into at first, and so there are no silly questions.