diff --git a/src/uuid.h b/src/uuid.h
new file mode 100644
index 000000000..096c880b3
--- /dev/null
+++ b/src/uuid.h
@@ -0,0 +1,19 @@
+#pragma once
+
+#define UUID_BINARY_LEN 16
+
+static inline int FUuidNil(unsigned char *uuid)
+{
+    unsigned char val = 0;
+    for (int i = 0; i < UUID_BINARY_LEN; ++i)
+        val |= uuid[i];
+    return (val == 0);
+}
+
+static inline int FUuidEqual(unsigned char *uuid1, unsigned char *uuid2)
+{
+    unsigned char val = 0;
+    for (int i = 0; i < UUID_BINARY_LEN; ++i)
+        val |= (uuid1[i] ^ uuid2[i]);
+    return (val == 0);
+}
\ No newline at end of file