From 775932020dd6bd7e9c1acc0d7779677d8b4c094c Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Fri, 9 Mar 2018 16:59:45 +0800 Subject: qobject: introduce qstring_get_try_str() The only difference from qstring_get_str() is that it allows the qstring to be NULL. If so, NULL is returned. CC: Eric Blake CC: Markus Armbruster Reviewed-by: Fam Zheng Reviewed-by: Stefan Hajnoczi Reviewed-by: Eric Blake Signed-off-by: Peter Xu Message-Id: <20180309090006.10018-3-peterx@redhat.com> Signed-off-by: Eric Blake --- qobject/qstring.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'qobject/qstring.c') diff --git a/qobject/qstring.c b/qobject/qstring.c index 8bae529ef7..5777f0af23 100644 --- a/qobject/qstring.c +++ b/qobject/qstring.c @@ -116,6 +116,16 @@ const char *qstring_get_str(const QString *qstring) return qstring->string; } +/** + * qstring_get_try_str(): Return a pointer to the stored string + * + * NOTE: will return NULL if qstring is not provided. + */ +const char *qstring_get_try_str(const QString *qstring) +{ + return qstring ? qstring_get_str(qstring) : NULL; +} + /** * qstring_is_equal(): Test whether the two QStrings are equal */ -- cgit v1.2.3-55-g7522