Hi Manos,

On 23/1/24 09:09, Manos Pitsidianakis wrote:
Add a simple method to return some kind of human readable identifier for
use in error messages.

Signed-off-by: Manos Pitsidianakis <manos.pitsidiana...@linaro.org>
---
  hw/core/qdev.c         | 10 ++++++++++
  include/hw/qdev-core.h | 15 +++++++++++++++
  2 files changed, 25 insertions(+)

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 43d863b0c5..499f191826 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -879,6 +879,16 @@ Object *qdev_get_machine(void)
      return dev;
  }
+char *qdev_get_human_name(DeviceState *dev)
+{
+    if (!dev) {
+        return g_strdup("");
+    }
+
+    return dev->id ?
+           g_strdup(dev->id) : object_get_canonical_path(OBJECT(dev));
+}
+
  static MachineInitPhase machine_phase;
bool phase_check(MachineInitPhase phase)
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index 151d968238..a8c742b4a3 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -993,6 +993,21 @@ const char *qdev_fw_name(DeviceState *dev);
  void qdev_assert_realized_properly(void);
  Object *qdev_get_machine(void);
+/**
+ * qdev_get_human_name() - Return a human-readable name for a device
+ * @dev: The device
+ *
+ * .. note::
+ *    This function is intended for user friendly error messages.
+ *
+ * Returns: A newly allocated string containing the device id if not null,
+ * else the object canonical path if not null. If @dev is NULL, it returns an
+ * allocated empty string.

In which case do we want to call this with NULL?

+ *
+ * Use g_free() to free it.
+ */
+char *qdev_get_human_name(DeviceState *dev);
+
  /* FIXME: make this a link<> */
  bool qdev_set_parent_bus(DeviceState *dev, BusState *bus, Error **errp);


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