x11-driver/evdi: new package, add 14.4.4

Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com>

x11-drivers/evdi/Manifest

@@ -0,0 +1 @@
+DIST evdi-1.14.4.tar.gz 88726 BLAKE2B 15aa13c1e6f67f923cf474a7f33bc1b8ce97e87e3ea19d53ae4c4b827581311907c5d98128190c97a530e566595b2ffd46a10450a63a8ecfc5a352d1f3e80f23 SHA512 53354fc9b09870768b54a6ea391dd7c406d372a248623f628334a1fecd433a59a729821b8a8af4ab31d0dca944d330156d88e79af308964c5686798ab20cabf3

x11-drivers/evdi/evdi-1.14.4.ebuild

@@ -0,0 +1,75 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{10..12} )
+inherit linux-mod-r1 python-single-r1
+
+DESCRIPTION="Extensible Virtual Display Interface"
+HOMEPAGE="https://github.com/DisplayLink/evdi"
+SRC_URI="https://github.com/DisplayLink/evdi/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2 LGPL-2.1"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+
+IUSE="python test"
+
+RDEPEND="${PYTHON_DEPS}
+	x11-libs/libdrm
+	python? (
+		$(python_gen_cond_dep '
+			dev-python/pybind11[${PYTHON_USEDEP}]
+			test? (
+				dev-python/pytest-mock[${PYTHON_USEDEP}]
+			)
+		')
+	)
+"
+
+DEPEND="${RDEPEND}
+	sys-kernel/linux-headers
+"
+
+REQUIRED_USE="python? ( ${PYTHON_REQUIRED_USE} )"
+
+RESTRICT="!test? ( test )"
+
+CONFIG_CHECK="~FB_VIRTUAL ~I2C"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-1.14.4-format-truncation.patch"
+)
+
+pkg_setup() {
+	linux-mod-r1_pkg_setup
+	use python && python-single-r1_pkg_setup
+}
+
+src_compile() {
+	local modlist=(
+		"evdi=video:${S}/module"
+	)
+	linux-mod-r1_src_compile
+
+	emake library
+	ln -srf "${S}/library/libevdi.so"{".$(ver_cut 1)",} || die
+
+	use python && emake pyevdi
+}
+
+src_test() {
+	use python && emake -C pyevdi tests
+}
+
+src_install() {
+	linux-mod-r1_src_install
+
+	dolib.so "library/libevdi.so.${PV}"
+
+	dosym "libevdi.so.${PV}" "/usr/$(get_libdir)/libevdi.so.$(ver_cut 1)"
+	dosym "libevdi.so.$(ver_cut 1)" "/usr/$(get_libdir)/libevdi.so"
+
+	use python && DESTDIR="${D}" emake -C pyevdi install
+}

x11-drivers/evdi/files/evdi-1.14.4-format-truncation.patch

@@ -0,0 +1,22 @@
+diff --git a/library/evdi_lib.c b/library/evdi_lib.c
+index ec22b01..8618bc8 100644
+--- a/library/evdi_lib.c
++++ b/library/evdi_lib.c
+@@ -473,7 +473,8 @@ static bool is_correct_parent_device(const char *dirname, size_t dirname_maxlen,
+ {
+ 	char link_path[PATH_MAX];
+ 
+-	snprintf(link_path, MIN(PATH_MAX - 7, dirname_maxlen), "%s/device", dirname);
++	assert((strnlen(dirname, dirname_maxlen) + 7) < PATH_MAX);
++	snprintf(link_path, sizeof(link_path), "%s/device", dirname);
+ 
+ 	if (parent_device == NULL)
+ 		return access(link_path, F_OK) != 0;
+@@ -619,6 +620,7 @@ static enum evdi_device_status evdi_device_to_platform(int device, char *path)
+ 
+ 		snprintf(path, PATH_MAX,
+ 			"/sys/bus/platform/devices/%s", fd_entry->d_name);
++		assert((strnlen(path, PATH_MAX) + 5) < PATH_MAX);
+ 		snprintf(card_path, PATH_MAX, "%s/drm/card%d", path, device);
+ 		if (path_exists(card_path)) {
+ 			status = AVAILABLE;

x11-drivers/evdi/metadata.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>negril.nx+gentoo@gmail.com</email>
+		<name>Paul Zander</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">DisplayLink/evdi</remote-id>
+	</upstream>
+	<use>
+		<flag name="python">Build PyEvdi</flag>
+	</use>
+</pkgmetadata>