This is a shorthand function for changing a QDict's entry's key.
Signed-off-by: Max Reitz <mre...@redhat.com>
---
include/qapi/qmp/qdict.h | 1 +
qobject/qdict.c | 23 +++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index 71b8eb0..223f746 100644
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -39,6 +39,7 @@ size_t qdict_size(const QDict *qdict);
void qdict_put_obj(QDict *qdict, const char *key, QObject *value);
void qdict_del(QDict *qdict, const char *key);
int qdict_haskey(const QDict *qdict, const char *key);
+bool qdict_change_key(QDict *qdict, const char *old_key, const char *new_key);
QObject *qdict_get(const QDict *qdict, const char *key);
QDict *qobject_to_qdict(const QObject *obj);
void qdict_iter(const QDict *qdict,
diff --git a/qobject/qdict.c b/qobject/qdict.c
index 9833bd0..bbfe39f 100644
--- a/qobject/qdict.c
+++ b/qobject/qdict.c
@@ -168,6 +168,29 @@ int qdict_haskey(const QDict *qdict, const char *key)
}
/**
+ * qdict_change_key(): Changes an entry's key
+ *
+ * Removes the entry with the key 'old_key' and inserts its associated value as
+ * a new entry with the key 'new_key'.
+ *
+ * Returns false if 'old_key' does not exist, true otherwise.
+ */
+bool qdict_change_key(QDict *qdict, const char *old_key, const char *new_key)
+{
+ QObject *value = qdict_get(qdict, old_key);
+
+ if (!value) {
+ return false;
+ }
+
+ qobject_incref(value);
+ qdict_del(qdict, old_key);
+ qdict_put_obj(qdict, new_key, value);
+
+ return true;
+}
+
+/**
* qdict_size(): Return the size of the dictionary
*/
size_t qdict_size(const QDict *qdict)
--
2.7.1
