From b26ae1cb8eb0756524e322169138830b9b542311 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Fri, 9 Mar 2018 16:59:46 +0800 Subject: qobject: introduce qobject_get_try_str() A quick way to fetch string from qobject when it's a QString. Reviewed-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Signed-off-by: Peter Xu Message-Id: <20180309090006.10018-4-peterx@redhat.com> Reviewed-by: Eric Blake [eblake: rebase to qobject_to() macro] Signed-off-by: Eric Blake --- qobject/qstring.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'qobject/qstring.c') diff --git a/qobject/qstring.c b/qobject/qstring.c index 5777f0a..afca54b 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) -- cgit v1.1