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authorPeter Xu <peterx@redhat.com>2018-03-09 16:59:45 +0800
committerEric Blake <eblake@redhat.com>2018-03-19 14:58:36 -0500
commit775932020dd6bd7e9c1acc0d7779677d8b4c094c (patch)
tree5cc98e759230a124dbb643e5d6ba235934450657 /qobject/qstring.c
parent378112b0020c4bc6c54e73e58046399f0e41b939 (diff)
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 <eblake@redhat.com> CC: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180309090006.10018-3-peterx@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'qobject/qstring.c')
-rw-r--r--qobject/qstring.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/qobject/qstring.c b/qobject/qstring.c
index 8bae529ef7..5777f0af23 100644
--- a/qobject/qstring.c
+++ b/qobject/qstring.c
@@ -117,6 +117,16 @@ const char *qstring_get_str(const QString *qstring)
}
/**
+ * 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
*/
bool qstring_is_equal(const QObject *x, const QObject *y)