Signed-off-by: Max Reitz <mre...@redhat.com>
---
include/qapi/qmp/qdict.h | 1 +
qobject/qdict.c | 10 ++++++++++
2 files changed, 11 insertions(+)
diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index fc218e7be6..c65ebfc748 100644
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -76,6 +76,7 @@ int64_t qdict_get_try_int(const QDict *qdict, const char *key,
int64_t def_value);
bool qdict_get_try_bool(const QDict *qdict, const char *key, bool def_value);
const char *qdict_get_try_str(const QDict *qdict, const char *key);
+bool qdict_is_qnull(const QDict *qdict, const char *key);
void qdict_copy_default(QDict *dst, QDict *src, const char *key);
void qdict_set_default_str(QDict *dst, const char *key, const char *val);
diff --git a/qobject/qdict.c b/qobject/qdict.c
index e8f15f1132..a032ea629a 100644
--- a/qobject/qdict.c
+++ b/qobject/qdict.c
@@ -294,6 +294,16 @@ const char *qdict_get_try_str(const QDict *qdict, const
char *key)
}
/**
+ * qdict_is_qnull(): Return true if the value for 'key' is QNull
+ */
+bool qdict_is_qnull(const QDict *qdict, const char *key)
+{
+ QObject *value = qdict_get(qdict, key);
+
+ return value && value->type == QTYPE_QNULL;
+}
+
+/**
* qdict_iter(): Iterate over all the dictionary's stored values.
*
* This function allows the user to provide an iterator, which will be
--
2.13.6
