1 files changed, 9 insertions, 0 deletions
diff --git a/util.h b/util.h
new file mode 100644
index 0000000..83ef628
--- /dev/null
+++ b/util.h
@@ -0,0 +1,9 @@
+#ifndef _LD_UTIL_H_
+#define _LD_UTIL_H_
+
+#define CHECK(op)						\
+	do { result = (op);					\
+		if (result != ISC_R_SUCCESS) goto cleanup;	\
+	} while (0)
+
+#endif /* !_LD_UTIL_H_ */