int main(void) {
_cleanup_(manager_freep) Manager *manager = NULL;
_cleanup_(sd_device_unrefp) sd_device *loopback = NULL;
int ifindex, r;
test_setup_logging(LOG_INFO);
test_deserialize_in_addr();
test_deserialize_dhcp_routes();
test_address_equality();
test_dhcp_hostname_shorten_overlong();
assert_se(manager_new(&manager) >= 0);
r = test_load_config(manager);
if (r == -EPERM)
return log_tests_skipped("Cannot load configuration");
assert_se(r == 0);
assert_se(sd_device_new_from_syspath(&loopback, "/sys/class/net/lo") >= 0);
assert_se(loopback);
assert_se(sd_device_get_ifindex(loopback, &ifindex) >= 0);
assert_se(ifindex == 1);
test_network_get(manager, loopback);
assert_se(manager_rtnl_enumerate_links(manager) >= 0);
}
int find_device(const char *id, const char *prefix, sd_device **ret) {
_cleanup_free_ char *buf = NULL;
assert(id);
assert(ret);
if (prefix && !path_startswith(id, prefix)) {
buf = path_join(NULL, prefix, id);
if (!buf)
return -ENOMEM;
id = buf;
}
if (path_startswith(id, "/sys/"))
return sd_device_new_from_syspath(ret, id);
if (path_startswith(id, "/dev/")) {
struct stat st;
if (stat(id, &st) < 0)
return -errno;
return device_new_from_stat_rdev(ret, &st);
}
return -EINVAL;
}
/**
* udev_device_new_from_syspath:
* @udev: udev library context
* @syspath: sys device path including sys directory
*
* Create new udev device, and fill in information from the sys
* device and the udev database entry. The syspath is the absolute
* path to the device, including the sys mount point.
*
* The initial refcount is 1, and needs to be decremented to
* release the resources of the udev device.
*
* Returns: a new udev device, or #NULL, if it does not exist
**/
_public_ struct udev_device *udev_device_new_from_syspath(struct udev *udev, const char *syspath) {
struct udev_device *udev_device;
int r;
udev_device = udev_device_new(udev);
if (!udev_device)
return NULL;
r = sd_device_new_from_syspath(&udev_device->device, syspath);
if (r < 0) {
errno = -r;
udev_device_unref(udev_device);
return NULL;
}
return udev_device;
}
