jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
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>
authored by
Roman Kagan
and committed by
Fam Zheng
bfab1aed
dbd73b56
+15
-2
+2
include/qemu/uuid.h
+2
include/qemu/uuid.h
+7
-1
tests/test-uuid.c
+7
-1
tests/test-uuid.c
···
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static void test_uuid_generate(void)
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{
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QemuUUID uuid_not_null = { { {
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0x58, 0x6e, 0xce, 0x27, 0x7f, 0x09, 0x41, 0xe0,
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0x9e, 0x74, 0xe9, 0x01, 0x31, 0x7e, 0x9d, 0x42
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} } };
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QemuUUID uuid;
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int i;
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for (i = 0; i < 100; ++i) {
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qemu_uuid_generate(&uuid);
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g_assert(uuid_is_valid(&uuid));
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g_assert_false(qemu_uuid_is_null(&uuid));
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g_assert_false(qemu_uuid_is_equal(&uuid_not_null, &uuid));
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}
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}
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···
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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g_test_add_func("/uuid/generate", test_uuid_generate);
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g_test_add_func("/uuid/is_null", test_uuid_is_null);
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g_test_add_func("/uuid/generate", test_uuid_generate);
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g_test_add_func("/uuid/parse", test_uuid_parse);
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g_test_add_func("/uuid/unparse", test_uuid_unparse);
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g_test_add_func("/uuid/unparse_strdup", test_uuid_unparse_strdup);
+6
-1
util/uuid.c
+6
-1
util/uuid.c
···
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int qemu_uuid_is_null(const QemuUUID *uu)
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{
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static QemuUUID null_uuid;
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return memcmp(uu, &null_uuid, sizeof(QemuUUID)) == 0;
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return qemu_uuid_is_equal(uu, &null_uuid);
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}
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+
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int qemu_uuid_is_equal(const QemuUUID *lhv, const QemuUUID *rhv)
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{
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return memcmp(lhv, rhv, sizeof(QemuUUID)) == 0;
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}
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void qemu_uuid_unparse(const QemuUUID *uuid, char *out)