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-rw-r--r--qobject/qdict.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/qobject/qdict.c b/qobject/qdict.c
index 472f106e27..0f3e0a6c81 100644
--- a/qobject/qdict.c
+++ b/qobject/qdict.c
@@ -527,3 +527,24 @@ void qdict_flatten(QDict *qdict)
{
qdict_do_flatten(qdict, qdict, NULL);
}
+
+/* extract all the src QDict entries starting by start into dst */
+void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start)
+
+{
+ const QDictEntry *entry, *next;
+ const char *p;
+
+ *dst = qdict_new();
+ entry = qdict_first(src);
+
+ while (entry != NULL) {
+ next = qdict_next(src, entry);
+ if (strstart(entry->key, start, &p)) {
+ qobject_incref(entry->value);
+ qdict_put_obj(*dst, p, entry->value);
+ qdict_del(src, entry->key);
+ }
+ entry = next;
+ }
+}