From ff016d4bc06c32c51dff1291393ca451fa62e89b Mon Sep 17 00:00:00 2001
From: "Alan T. DeKok" <aland@freeradius.org>
Date: Fri, 9 Dec 2016 13:41:20 -0500
Subject: [PATCH] added ring_buffer_debug()

---
 src/util/ring_buffer.c | 11 +++++++++++
 src/util/ring_buffer.h |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/src/util/ring_buffer.c b/src/util/ring_buffer.c
index 871071a7e9aa..91d367f5e37b 100644
--- a/src/util/ring_buffer.c
+++ b/src/util/ring_buffer.c
@@ -520,3 +520,14 @@ int fr_ring_buffer_start(fr_ring_buffer_t *rb, uint8_t **p_start, size_t *p_size
 
 	return 0;
 }
+
+/** Print debug information about the ring buffer
+ *
+ * @param[in] rb the ring buffer
+ * @param[in] fp the FILE where the messages are printed.
+ */
+void fr_ring_buffer_debug(fr_ring_buffer_t *rb, FILE *fp)
+{
+	fprintf(fp, "Buffer %p, write_offset %zd, data_start %zd, data_end %zd\n",
+		rb->buffer, rb->write_offset, rb->data_start, rb->data_end);
+}
diff --git a/src/util/ring_buffer.h b/src/util/ring_buffer.h
index 66e5ddd92538..c0021fa6e960 100644
--- a/src/util/ring_buffer.h
+++ b/src/util/ring_buffer.h
@@ -52,6 +52,8 @@ int fr_ring_buffer_close(fr_ring_buffer_t *rb) CC_HINT(nonnull);
 size_t fr_ring_buffer_size(fr_ring_buffer_t *rb) CC_HINT(nonnull);
 size_t fr_ring_buffer_used(fr_ring_buffer_t *rb) CC_HINT(nonnull);
 
+void fr_ring_buffer_debug(fr_ring_buffer_t *rb, FILE *fp) CC_HINT(nonnull);
+
 #ifdef __cplusplus
 }
 #endif