media-plugins/vdr-mp3ng: compile fix

<error: ordered comparison between pointer and zero
('char *' and 'int') fixed

Closes: https://bugs.gentoo.org/740274
Package-Manager: Portage-3.0.18, Repoman-3.0.2
Signed-off-by: Joerg Bornkessel <[email protected]>

media-plugins/vdr-mp3ng/vdr-mp3ng-0.0.1_pre5-r4.ebuild

@@ -0,0 +1,76 @@
+# Copyright 2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit vdr-plugin-2
+
+MY_PV=0.9.13-MKIV-pre3
+MY_P=${PN}-${MY_PV}
+
+DESCRIPTION="VDR Plugin: play mp3 and ogg on VDR"
+HOMEPAGE="https://wiki.gentoo.org/wiki/No_homepage"
+SRC_URI="http://vdr.websitec.de/download/${PN}/${PN}-0.9.13-MKIV-pre3.tar.gz
+		mirror://gentoo/${PN}-pictures-0.0.1.tar.gz
+		mirror://gentoo/${PN}-0.0.1_pre4-span-0.0.3.diff.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="oss vorbis"
+
+DEPEND="media-libs/imlib2
+	media-libs/libmad
+	media-libs/libid3tag
+	media-libs/libsndfile
+	media-video/vdr
+	sys-libs/zlib
+	vorbis? ( media-libs/libvorbis )"
+
+DOCS=(HISTORY MANUAL README README-MORONIMO examples/network.sh.example)
+
+S=${WORKDIR}/mp3ng-0.9.13-MKIV-pre3
+
+src_prepare() {
+	vdr-plugin-2_src_prepare
+
+	# wrt bug 595248
+	append-cxxflags $(test-flags-CXX -std=gnu++03) -std=gnu++03
+
+	eapply -p0 "${FILESDIR}/${PN}-0.0.1_pre4-gentoo.diff"
+	eapply "${FILESDIR}/${PN}-0.0.1_pre4-gcc4.diff"
+	eapply "${WORKDIR}/${PN}-0.0.1_pre4-span.diff"
+	eapply "${FILESDIR}/${PN}-0.0.1_pre4-vdr-1.5.1.diff"
+	eapply "${FILESDIR}/${PN}-0.0.1_pre4-glibc-2.10.patch"
+
+	use !vorbis && sed -e "s:#WITHOUT_LIBVORBISFILE:WITHOUT_LIBVORBISFILE:" -i Makefile
+	use oss && sed -e "s:#WITH_OSS_OUTPUT:WITH_OSS_OUTPUT:" -i Makefile
+
+	has_version ">=media-video/vdr-1.3.37" && eapply "${FILESDIR}/${PN}-0.0.1_pre4-1.3.37.diff"
+	has_version ">=media-gfx/imagemagick-6.4" && eapply "${FILESDIR}/imagemagick-6.4.x.diff"
+
+	sed -i mp3ng.c -e "s:RegisterI18n:// RegisterI18n:" || die
+
+	# >=vdr-2.1.2
+	sed -e "s#VideoDirectory#cVideoDirectory::Name\(\)#" -i decoder.c || die
+
+	#wrt bug 705372
+	eapply "${FILESDIR}/${P}_gcc-9.patch"
+
+	#wrt bug 740247, 786240
+	sed -e "s:while(fgets(buffer,sizeof(buffer),f)>0:while(fgets(buffer,sizeof(buffer),f)> (char *)0:" \
+		-i data-mp3.c || die
+}
+
+src_install() {
+	vdr-plugin-2_src_install
+
+	insinto /etc/vdr/plugins/mp3ng
+	doins	"${FILESDIR}/mp3ngsources"
+
+	insinto /usr/share/vdr/mp3ng
+	doins "${WORKDIR}/${PN}-pictures-0.0.1"/*.jpg
+	doins "${S}/images/mp3MKIV-spectrum-analyzer-bg.png"
+
+	newbin examples/mount.sh.example mount-mp3ng.sh
+}