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| author | Roman Kagan <rkagan@virtuozzo.com> | 2017-11-27 15:43:55 +0300 |
|---|---|---|
| committer | Fam Zheng <famz@redhat.com> | 2017-12-20 22:01:24 +0800 |
| commit | bfab1aede07f864b8fbd749c3a0545b949b4cc84 (patch) | |
| tree | 307e5f871a0ed1e8d0203459c2b8c38537c790fe /util/uuid.c | |
| parent | dbd73b569b61893ebfe460b0be254997e2cbfb0a (diff) | |
| download | qemu-bfab1aede07f864b8fbd749c3a0545b949b4cc84.zip qemu-bfab1aede07f864b8fbd749c3a0545b949b4cc84.tar.gz qemu-bfab1aede07f864b8fbd749c3a0545b949b4cc84.tar.bz2 | |
util: add is_equal to UUID API
It's going to be useful, in particular, in VMBus code massively using
uuids aka GUIDs.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Message-Id: <20171127124355.26015-1-rkagan@virtuozzo.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'util/uuid.c')
| -rw-r--r-- | util/uuid.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/util/uuid.c b/util/uuid.c index dd6b5fd..ebf06c0 100644 --- a/util/uuid.c +++ b/util/uuid.c @@ -41,7 +41,12 @@ void qemu_uuid_generate(QemuUUID *uuid) int qemu_uuid_is_null(const QemuUUID *uu) { static QemuUUID null_uuid; - return memcmp(uu, &null_uuid, sizeof(QemuUUID)) == 0; + return qemu_uuid_is_equal(uu, &null_uuid); +} + +int qemu_uuid_is_equal(const QemuUUID *lhv, const QemuUUID *rhv) +{ + return memcmp(lhv, rhv, sizeof(QemuUUID)) == 0; } void qemu_uuid_unparse(const QemuUUID *uuid, char *out) |