Avoid -fsanitizeinvalid-null-argument

Desktop / LibreOffice - Stephan Bergmann [redhat.com] - 23 August 2019 21:33 EDT

...as witnessed once with some `instdir/program/unopkg remove ooo2gd_3.0.0.oxt`:

> xmlscript/source/xml_helper/xml_byteseq.cxx:116:13: runtime error: null pointer passed as argument 1, which is declared to never be null > /usr/include/string.h:43:28: note: nonnull attribute specified here > #0 in xmlscript::BSeqOutputStream::writeBytes(com::sun::star::uno::Sequence const&) at xmlscript/source/xml_helper/xml_byteseq.cxx:116:5 > #1 in fileaccess::TaskManager::page(int, rtl::OUString const&, com::sun::star::uno::Reference const&) at ucb/source/ucp/file/filtask.cxx:655:32 > #2 in fileaccess::BaseContent::open(int, com::sun::star::ucb::OpenCommandArgument2 const&) at ucb/source/ucp/file/bc.cxx:911:29 > #3 in fileaccess::BaseContent::execute(com::sun::star::ucb::Command const&, int, com::sun::star::uno::Reference const&) at ucb/source/ucp/file/bc.cxx:323:53 > #4 in non-virtual thunk to fileaccess::BaseContent::execute(com::sun::star::ucb::Command const&, int, com::sun::star::uno::Reference const&) at ucb/source/ucp/file/bc.cxx > #5 in ucbhelper::Content_Impl::executeCommand(com::sun::star::ucb::Command const&) at ucbhelper/source/client/content.cxx:1254:19 > #6 in ucbhelper::Content::openStream(com::sun::star::uno::Reference const&) at ucbhelper/source/client/content.cxx:816:14 > #7 in dp_misc::readFile(ucbhelper::Content&) at desktop/source/deployment/misc/dp_ucb.cxx:195:23 > #8 in dp_misc::readLine(rtl::OUString*, rtl::OUString const&, ucbhelper::Content&, unsigned short) at desktop/source/deployment/misc/dp_ucb.cxx:207:34 > #9 in dp_registry::backend::configuration::(anonymous namespace)::BackendImpl::configmgrini_verify_init(com::sun::star::uno::Reference const&) at desktop/source/deployment/registry/configuration/dp_configuration.cxx:371:17 [...]

Change-Id: I66bef2d1bc037efa893f3ae3ad8058aa16f7cc5b Reviewed-on: https://gerrit.libreoffice.org/78042

7b4b70afba2d Avoid -fsanitizeinvalid-null-argument
xmlscript/source/xml_helper/xml_byteseq.cxx | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

Upstream: cgit.freedesktop.org


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