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-rw-r--r--lib/uuid/isnull.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/uuid/isnull.c b/lib/uuid/isnull.c
new file mode 100644
index 00000000..f72e8fba
--- /dev/null
+++ b/lib/uuid/isnull.c
@@ -0,0 +1,18 @@
+/*
+ * isnull.c --- Check whether or not the UUID is null
+ */
+
+#include "uuidP.h"
+
+/* Returns 1 if the uuid is the NULL uuid */
+int uuid_is_null(uuid_t uu)
+{
+ unsigned char *cp;
+ int i;
+
+ for (i=0, cp = uu; i < 16; i++)
+ if (*cp++)
+ return 0;
+ return 1;
+}
+