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QDict: Introduce qdict_iter()

This adds iterator support to QDict, it will be used by the
(to be introduced) QError module.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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commit 21f800d340ae080435f08e762d7b2868204c3772 1 parent 422c46a
Luiz Capitulino authored Anthony Liguori committed
Showing with 22 additions and 0 deletions.
  1. +19 −0 qdict.c
  2. +3 −0  qdict.h
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19 qdict.c
@@ -242,6 +242,25 @@ const char *qdict_get_try_str(const QDict *qdict, const char *key)
}
/**
+ * qdict_iter(): Iterate over all the dictionary's stored values.
+ *
+ * This function allows the user to provide an iterator, which will be
+ * called for each stored value in the dictionary.
+ */
+void qdict_iter(const QDict *qdict,
+ void (*iter)(const char *key, QObject *obj, void *opaque),
+ void *opaque)
+{
+ int i;
+ QDictEntry *entry;
+
+ for (i = 0; i < QDICT_HASH_SIZE; i++) {
+ QLIST_FOREACH(entry, &qdict->table[i], next)
+ iter(entry->key, entry->value, opaque);
+ }
+}
+
+/**
* qentry_destroy(): Free all the memory allocated by a QDictEntry
*/
static void qentry_destroy(QDictEntry *e)
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3  qdict.h
@@ -27,6 +27,9 @@ void qdict_del(QDict *qdict, const char *key);
int qdict_haskey(const QDict *qdict, const char *key);
QObject *qdict_get(const QDict *qdict, const char *key);
QDict *qobject_to_qdict(const QObject *obj);
+void qdict_iter(const QDict *qdict,
+ void (*iter)(const char *key, QObject *obj, void *opaque),
+ void *opaque);
/* Helper to qdict_put_obj(), accepts any object */
#define qdict_put(qdict, key, obj) \
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