From: Willy Tarreau <w@1wt.eu>
Date: Tue, 27 Feb 2024 08:12:19 +0000 (+0100)
Subject: MINOR: ring: add ring_data() to report the amount of data in a ring
X-Git-Tag: v3.0-dev6~43
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4c41fcd0dacd60a9c225378e147f204c7f79f815;p=thirdparty%2Fhaproxy.git

MINOR: ring: add ring_data() to report the amount of data in a ring

This will be used as an accessor for the few functions that need this
outside of ring.c.
---

diff --git a/include/haproxy/ring.h b/include/haproxy/ring.h
index 0e8a3bf860..ddcc558c0a 100644
--- a/include/haproxy/ring.h
+++ b/include/haproxy/ring.h
@@ -45,6 +45,12 @@ size_t ring_max_payload(const struct ring *ring);
 int ring_dispatch_messages(struct ring *ring, void *ctx, size_t *ofs_ptr, size_t *last_ofs_ptr, uint flags,
 			   ssize_t (*msg_handler)(void *ctx, const struct buffer *buf, size_t ofs, size_t len));
 
+/* returns the number of bytes in the ring */
+static inline size_t ring_data(const struct ring *ring)
+{
+	return b_data(&ring->buf);
+}
+
 #endif /* _HAPROXY_RING_H */
 
 /*