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authorPeter Xu <peterx@redhat.com>2018-03-09 16:59:46 +0800
committerEric Blake <eblake@redhat.com>2018-03-19 14:58:36 -0500
commitb26ae1cb8eb0756524e322169138830b9b542311 (patch)
tree9f4eaabe2248cf82717c04d0dd5d274133cb06d4 /qobject/qstring.c
parent775932020dd6bd7e9c1acc0d7779677d8b4c094c (diff)
qobject: introduce qobject_get_try_str()
A quick way to fetch string from qobject when it's a QString. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180309090006.10018-4-peterx@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: rebase to qobject_to() macro] Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'qobject/qstring.c')
-rw-r--r--qobject/qstring.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/qobject/qstring.c b/qobject/qstring.c
index 5777f0af23..afca54b47a 100644
--- a/qobject/qstring.c
+++ b/qobject/qstring.c
@@ -127,6 +127,17 @@ const char *qstring_get_try_str(const QString *qstring)
}
/**
+ * qobject_get_try_str(): Return a pointer to the corresponding string
+ *
+ * NOTE: the string will only be returned if the object is valid, and
+ * its type is QString, otherwise NULL is returned.
+ */
+const char *qobject_get_try_str(const QObject *qstring)
+{
+ return qstring_get_try_str(qobject_to(QString, qstring));
+}
+
+/**
* qstring_is_equal(): Test whether the two QStrings are equal
*/
bool qstring_is_equal(const QObject *x, const QObject *y)