sd-device: introduce device_has_devlink()

diff --git a/src/libsystemd/sd-device/device-private.h b/src/libsystemd/sd-device/device-private.h
index fe268d7f2f8a58581656adf34366e177fadeee38..9bb5eff208b83ca42b619b1f4f3511d0031a91bb 100644 (file)
--- a/src/libsystemd/sd-device/device-private.h
+++ b/src/libsystemd/sd-device/device-private.h
@@ -32,6 +32,7 @@ void device_set_db_persist(sd_device *device);
 void device_set_devlink_priority(sd_device *device, int priority);
 int device_ensure_usec_initialized(sd_device *device, sd_device *device_old);
 int device_add_devlink(sd_device *device, const char *devlink);
+bool device_has_devlink(sd_device *device, const char *devlink);
 int device_add_property(sd_device *device, const char *property, const char *value);
 int device_add_tag(sd_device *device, const char *tag, bool both);
 void device_remove_tag(sd_device *device, const char *tag);

diff --git a/src/libsystemd/sd-device/sd-device.c b/src/libsystemd/sd-device/sd-device.c
index 3c54897536a6b87f41d2732fe22af0ff18bb5a24..24da8411f662c7d85e7d3e251e01855ea6f2409f 100644 (file)
--- a/src/libsystemd/sd-device/sd-device.c
+++ b/src/libsystemd/sd-device/sd-device.c
@@ -1205,6 +1205,13 @@ int device_add_devlink(sd_device *device, const char *devlink) {
         return 0;
 }
 
+bool device_has_devlink(sd_device *device, const char *devlink) {
+        assert(device);
+        assert(devlink);
+
+        return set_contains(device->devlinks, devlink);
+}
+
 static int device_add_property_internal_from_string(sd_device *device, const char *str) {
         _cleanup_free_ char *key = NULL;
         char *value;