qemu-timer: Introduce clock reset notifier

[qemu.git] / qdict.c

diff --git a/qdict.c b/qdict.c
index 71be2ebcd84177bf04a17426d2681f7fb30c49b2..dee0fb447c4f74d223752945a801729219d927e9 100644 (file)
--- a/qdict.c
+++ b/qdict.c
@@ -82,6 +82,27 @@ static QDictEntry *alloc_entry(const char *key, QObject *value)
     return entry;
 }
 
+/**
+ * qdict_entry_value(): Return qdict entry value
+ *
+ * Return weak reference.
+ */
+QObject *qdict_entry_value(const QDictEntry *entry)
+{
+    return entry->value;
+}
+
+/**
+ * qdict_entry_key(): Return qdict entry key
+ *
+ * Return a *pointer* to the string, it has to be duplicated before being
+ * stored.
+ */
+const char *qdict_entry_key(const QDictEntry *entry)
+{
+    return entry->key;
+}
+
 /**
  * qdict_find(): List lookup function
  */
@@ -286,6 +307,24 @@ int64_t qdict_get_try_int(const QDict *qdict, const char *key,
     return qint_get_int(qobject_to_qint(obj));
 }
 
+/**
+ * qdict_get_try_bool(): Try to get a bool mapped by 'key'
+ *
+ * Return bool mapped by 'key', if it is not present in the
+ * dictionary or if the stored object is not of QBool type
+ * 'def_value' will be returned.
+ */
+int qdict_get_try_bool(const QDict *qdict, const char *key, int def_value)
+{
+    QObject *obj;
+
+    obj = qdict_get(qdict, key);
+    if (!obj || qobject_type(obj) != QTYPE_QBOOL)
+        return def_value;
+
+    return qbool_get_int(qobject_to_qbool(obj));
+}
+
 /**
  * qdict_get_try_str(): Try to get a pointer to the stored string
  * mapped by 'key'
@@ -324,6 +363,43 @@ void qdict_iter(const QDict *qdict,
     }
 }
 
+static QDictEntry *qdict_next_entry(const QDict *qdict, int first_bucket)
+{
+    int i;
+
+    for (i = first_bucket; i < QDICT_BUCKET_MAX; i++) {
+        if (!QLIST_EMPTY(&qdict->table[i])) {
+            return QLIST_FIRST(&qdict->table[i]);
+        }
+    }
+
+    return NULL;
+}
+
+/**
+ * qdict_first(): Return first qdict entry for iteration.
+ */
+const QDictEntry *qdict_first(const QDict *qdict)
+{
+    return qdict_next_entry(qdict, 0);
+}
+
+/**
+ * qdict_next(): Return next qdict entry in an iteration.
+ */
+const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry)
+{
+    QDictEntry *ret;
+
+    ret = QLIST_NEXT(entry, next);
+    if (!ret) {
+        unsigned int bucket = tdb_hash(entry->key) % QDICT_BUCKET_MAX;
+        ret = qdict_next_entry(qdict, bucket + 1);
+    }
+
+    return ret;
+}
+
 /**
  * qentry_destroy(): Free all the memory allocated by a QDictEntry
  */