--- /dev/null
+From 590681e546cd9aa18d57dc2ea1858cb734a3863f Mon Sep 17 00:00:00 2001
+From: Dave Beckett <dave@dajobe.org>
+Date: Sun, 16 Apr 2017 23:15:12 +0100
+Subject: [PATCH] Calcualte max nspace declarations correctly for XML writer
+
+(raptor_xml_writer_start_element_common): Calculate max including for
+each attribute a potential name and value.
+
+Fixes Issues #0000617 http://bugs.librdf.org/mantis/view.php?id=617
+and #0000618 http://bugs.librdf.org/mantis/view.php?id=618
+---
+ src/raptor_xml_writer.c | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/src/raptor_xml_writer.c b/src/raptor_xml_writer.c
+index 693b946..0d3a36a 100644
+--- a/src/raptor_xml_writer.c
++++ b/src/raptor_xml_writer.c
+@@ -181,9 +181,10 @@ raptor_xml_writer_start_element_common(raptor_xml_writer* xml_writer,
+ size_t nspace_declarations_count = 0;
+ unsigned int i;
+
+- /* max is 1 per element and 1 for each attribute + size of declared */
+ if(nstack) {
+- int nspace_max_count = element->attribute_count+1;
++ int nspace_max_count = element->attribute_count * 2; /* attr and value */
++ if(element->name->nspace)
++ nspace_max_count++;
+ if(element->declared_nspaces)
+ nspace_max_count += raptor_sequence_size(element->declared_nspaces);
+ if(element->xml_language)
+@@ -237,7 +238,7 @@ raptor_xml_writer_start_element_common(raptor_xml_writer* xml_writer,
+ }
+ }
+
+- /* Add the attribute + value */
++ /* Add the attribute's value */
+ nspace_declarations[nspace_declarations_count].declaration=
+ raptor_qname_format_as_xml(element->attributes[i],
+ &nspace_declarations[nspace_declarations_count].length);
+--
+2.9.3
--- /dev/null
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit libtool
+
+MY_PN=${PN}2
+MY_P=${MY_PN}-${PV}
+
+DESCRIPTION="The RDF Parser Toolkit"
+HOMEPAGE="http://librdf.org/raptor/"
+SRC_URI="http://download.librdf.org/source/${MY_P}.tar.gz"
+
+LICENSE="Apache-2.0 GPL-2 LGPL-2.1"
+SLOT="2"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
+IUSE="+curl debug json static-libs unicode"
+
+DEPEND="
+ dev-libs/libxml2
+ dev-libs/libxslt
+ curl? ( net-misc/curl )
+ json? ( dev-libs/yajl )
+ unicode? ( dev-libs/icu:= )
+"
+RDEPEND="${DEPEND}
+ !media-libs/raptor:0
+"
+BDEPEND="
+ >=sys-devel/bison-3
+ >=sys-devel/flex-2.5.36
+ virtual/pkgconfig
+"
+
+S="${WORKDIR}/${MY_P}"
+
+DOCS=( AUTHORS ChangeLog NEWS NOTICE README )
+HTML_DOCS=( {NEWS,README,RELEASE,UPGRADING}.html )
+
+PATCHES=( "${FILESDIR}/${P}-heap-overflow.patch" )
+
+src_prepare() {
+ default
+ elibtoolize # Keep this for ~*-fbsd
+}
+
+src_configure() {
+ # FIXME: It should be possible to use net-nntp/inn for libinn.h and -linn!
+
+ local myeconfargs=(
+ --with-www=xml
+ --with-html-dir="${EPREFIX}"/usr/share/gtk-doc/html
+ $(use_enable debug)
+ $(use_with json yajl)
+ $(use_enable static-libs static)
+ $(usex unicode "--with-icu-config="${EPREFIX}"/usr/bin/icu-config" '')
+ )
+ use curl && myeconfargs+=( --with-www=curl )
+
+ econf "${myeconfargs[@]}"
+}
+
+src_test() {
+ emake -j1 test
+}
+
+src_install() {
+ default
+ find "${D}" -name '*.la' -delete || die
+}