[PATCH] tests: extend for decoding of udev_monitor_netlink_header

[Harsha Sharma]

*tests/netlink_kobject_uevent.c: Add test_nlmsg_type_udev.
---
 tests/netlink_kobject_uevent.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tests/netlink_kobject_uevent.c b/tests/netlink_kobject_uevent.c
index cacab5fd..2853f02b 100644
--- a/tests/netlink_kobject_uevent.c
+++ b/tests/netlink_kobject_uevent.c
@@ -30,6 +30,25 @@
 #include <stdio.h>
 #include <sys/socket.h>
 #include "netlink.h"
+#include "netlink_kobject_uevent.h"
+
+static void
+test_nlmsg_type_udev(const int fd)
+{
+	long ret;
+	struct udev_monitor_netlink_header uh = {
+		.prefix = "libudev",
+		.header_size = sizeof(uh),
+	};
+
+	ret = sendto(fd, &uh, sizeof(uh), MSG_DONTWAIT, NULL, 0);
+	printf("sendto(%d, {{prefix=\"%s\", magic=htonl(0)"
+	", header_size=%u, properties_off=0, properties_len=0"
+	", filter_subsystem_hash=htonl(0), filter_devtype_hash=htonl(0)"
+	", filter_tag_bloom_hi=htonl(0), filter_tag_bloom_lo=htonl(0)}}"
+	", %u, MSG_DONTWAIT, NULL, 0) = %s\n", fd, uh.prefix, uh.header_size,
+	 (unsigned) sizeof(uh), sprintrc(ret));
+}
 
 int
 main(void)
@@ -39,6 +58,7 @@ main(void)
 	long rc;
 	int fd = create_nl_socket(NETLINK_KOBJECT_UEVENT);
 
+	test_nlmsg_type_udev(fd);
 	/* test using data that looks like a zero-length C string */
 	char *const buf = tail_alloc(DEFAULT_STRLEN + 1);
 	buf[0] = '=';
-- 
2.14.1