+/* 31 bit -> 4 byte -> 8 byte hex string + null byte */
+#define KAFKA_RANDOM_KEY_SIZE 9
+#define KAFKA_RANDOM_KEY_BUFFER (char[KAFKA_RANDOM_KEY_SIZE]) {""}
+static char *kafka_random_key(char buffer[static KAFKA_RANDOM_KEY_SIZE])
+{
+ ssnprintf(buffer, KAFKA_RANDOM_KEY_SIZE, "%08lX", (unsigned long) mrand48());
+ return buffer;
+}
+