[Qemu-devel] [RFC 02/15] qobject: allow NULL for qstring_get_str()

[Peter Xu]

Then I can get NULL rather than crash when calling things like:

  qstring_get_str(qobject_to_qstring(object));

when key does not exist.

CC: Markus Armbruster <address@hidden>
Signed-off-by: Peter Xu <address@hidden>
---
 qobject/qstring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qobject/qstring.c b/qobject/qstring.c
index 5da7b5f..c499fec 100644
--- a/qobject/qstring.c
+++ b/qobject/qstring.c
@@ -125,7 +125,7 @@ QString *qobject_to_qstring(const QObject *obj)
  */
 const char *qstring_get_str(const QString *qstring)
 {
-    return qstring->string;
+    return qstring ? qstring->string : NULL;
 }
 
 /**
-- 
2.7.4