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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /qobject/qfloat.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'qobject/qfloat.c')
-rw-r--r-- | qobject/qfloat.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/qobject/qfloat.c b/qobject/qfloat.c new file mode 100644 index 00000000..7de0992d --- /dev/null +++ b/qobject/qfloat.c @@ -0,0 +1,68 @@ +/* + * QFloat Module + * + * Copyright IBM, Corp. 2009 + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.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 "qapi/qmp/qfloat.h" +#include "qapi/qmp/qobject.h" +#include "qemu-common.h" + +static void qfloat_destroy_obj(QObject *obj); + +static const QType qfloat_type = { + .code = QTYPE_QFLOAT, + .destroy = qfloat_destroy_obj, +}; + +/** + * qfloat_from_int(): Create a new QFloat from a float + * + * Return strong reference. + */ +QFloat *qfloat_from_double(double value) +{ + QFloat *qf; + + qf = g_malloc(sizeof(*qf)); + qf->value = value; + QOBJECT_INIT(qf, &qfloat_type); + + return qf; +} + +/** + * qfloat_get_double(): Get the stored float + */ +double qfloat_get_double(const QFloat *qf) +{ + return qf->value; +} + +/** + * qobject_to_qfloat(): Convert a QObject into a QFloat + */ +QFloat *qobject_to_qfloat(const QObject *obj) +{ + if (qobject_type(obj) != QTYPE_QFLOAT) + return NULL; + + return container_of(obj, QFloat, base); +} + +/** + * qfloat_destroy_obj(): Free all memory allocated by a + * QFloat object + */ +static void qfloat_destroy_obj(QObject *obj) +{ + assert(obj != NULL); + g_free(qobject_to_qfloat(obj)); +} |