static int device_make_description(Unit *u, struct udev_device *dev, const char *path) {
const char *model;
assert(u);
assert(dev);
assert(path);
model = udev_device_get_property_value(dev, "ID_MODEL_FROM_DATABASE");
if (!model)
model = udev_device_get_property_value(dev, "ID_MODEL");
if (model) {
const char *label;
/* Try to concatenate the device model string with a label, if there is one */
label = udev_device_get_property_value(dev, "ID_FS_LABEL");
if (!label)
label = udev_device_get_property_value(dev, "ID_PART_ENTRY_NAME");
if (!label)
label = udev_device_get_property_value(dev, "ID_PART_ENTRY_NUMBER");
if (label) {
_cleanup_free_ char *j;
j = strjoin(model, " ", label, NULL);
if (j)
return unit_set_description(u, j);
}
return unit_set_description(u, model);
}
return unit_set_description(u, path);
}
static int device_update_description(Unit *u, struct udev_device *dev, const char *path) {
const char *model;
int r;
assert(u);
assert(dev);
assert(path);
model = udev_device_get_property_value(dev, "ID_MODEL_FROM_DATABASE");
if (!model)
model = udev_device_get_property_value(dev, "ID_MODEL");
if (model) {
const char *label;
/* Try to concatenate the device model string with a label, if there is one */
label = udev_device_get_property_value(dev, "ID_FS_LABEL");
if (!label)
label = udev_device_get_property_value(dev, "ID_PART_ENTRY_NAME");
if (!label)
label = udev_device_get_property_value(dev, "ID_PART_ENTRY_NUMBER");
if (label) {
_cleanup_free_ char *j;
j = strjoin(model, " ", label);
if (j)
r = unit_set_description(u, j);
else
r = -ENOMEM;
} else
r = unit_set_description(u, model);
} else
r = unit_set_description(u, path);
if (r < 0)
log_unit_error_errno(u, r, "Failed to set device description: %m");
return r;
}
static int busname_add_extras(BusName *n) {
Unit *u = UNIT(n);
int r;
assert(n);
if (!n->name) {
n->name = unit_name_to_prefix(u->id);
if (!n->name)
return -ENOMEM;
}
if (!u->description) {
r = unit_set_description(u, n->name);
if (r < 0)
return r;
}
if (n->activating) {
if (!UNIT_DEREF(n->service)) {
Unit *x;
r = unit_load_related_unit(u, ".service", &x);
if (r < 0)
return r;
unit_ref_set(&n->service, x);
}
r = unit_add_two_dependencies(u, UNIT_BEFORE, UNIT_TRIGGERS, UNIT_DEREF(n->service), true);
if (r < 0)
return r;
}
if (u->default_dependencies) {
r = busname_add_default_default_dependencies(n);
if (r < 0)
return r;
}
return 0;
}
