diff options
| -rw-r--r-- | include/qapi/qmp/qobject.h | 11 | ||||
| -rw-r--r-- | qobject/Makefile.objs | 2 | ||||
| -rw-r--r-- | qobject/qjson.c | 3 | ||||
| -rw-r--r-- | qobject/qnull.c | 29 |
4 files changed, 43 insertions, 2 deletions
diff --git a/include/qapi/qmp/qobject.h b/include/qapi/qmp/qobject.h index 099129657a..84b2d9fef5 100644 --- a/include/qapi/qmp/qobject.h +++ b/include/qapi/qmp/qobject.h @@ -3,7 +3,7 @@ * * Based on ideas by Avi Kivity <avi@redhat.com> * - * Copyright (C) 2009 Red Hat Inc. + * Copyright (C) 2009, 2015 Red Hat Inc. * * Authors: * Luiz Capitulino <lcapitulino@redhat.com> @@ -37,6 +37,7 @@ typedef enum { QTYPE_NONE, /* sentinel value, no QObject has this type code */ + QTYPE_QNULL, QTYPE_QINT, QTYPE_QSTRING, QTYPE_QDICT, @@ -110,4 +111,12 @@ static inline qtype_code qobject_type(const QObject *obj) return obj->type->code; } +extern QObject qnull_; + +static inline QObject *qnull(void) +{ + qobject_incref(&qnull_); + return &qnull_; +} + #endif /* QOBJECT_H */ diff --git a/qobject/Makefile.objs b/qobject/Makefile.objs index c9ff59c6cc..f7595f56fe 100644 --- a/qobject/Makefile.objs +++ b/qobject/Makefile.objs @@ -1,3 +1,3 @@ -util-obj-y = qint.o qstring.o qdict.o qlist.o qfloat.o qbool.o +util-obj-y = qnull.o qint.o qstring.o qdict.o qlist.o qfloat.o qbool.o util-obj-y += qjson.o json-lexer.o json-streamer.o json-parser.o util-obj-y += qerror.o diff --git a/qobject/qjson.c b/qobject/qjson.c index f2857c13ea..846733dafb 100644 --- a/qobject/qjson.c +++ b/qobject/qjson.c @@ -127,6 +127,9 @@ static void to_json_list_iter(QObject *obj, void *opaque) static void to_json(const QObject *obj, QString *str, int pretty, int indent) { switch (qobject_type(obj)) { + case QTYPE_QNULL: + qstring_append(str, "null"); + break; case QTYPE_QINT: { QInt *val = qobject_to_qint(obj); char buffer[1024]; diff --git a/qobject/qnull.c b/qobject/qnull.c new file mode 100644 index 0000000000..9873e266e6 --- /dev/null +++ b/qobject/qnull.c @@ -0,0 +1,29 @@ +/* + * QNull + * + * Copyright (C) 2015 Red Hat, Inc. + * + * Authors: + * Markus Armbruster <armbru@redhat.com> + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 + * or later. See the COPYING.LIB file in the top-level directory. + */ + +#include "qemu-common.h" +#include "qapi/qmp/qobject.h" + +static void qnull_destroy_obj(QObject *obj) +{ + assert(0); +} + +static const QType qnull_type = { + .code = QTYPE_QNULL, + .destroy = qnull_destroy_obj, +}; + +QObject qnull_ = { + .type = &qnull_type, + .refcnt = 1, +}; |