From 5fd332d8fbda137909c777929aebfd69b2a35fa4 Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Wed, 21 Feb 2018 23:29:05 +0100
Subject: cbuf: new cbuf_avail_size function

---
 src/cbuf.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/cbuf.h')

diff --git a/src/cbuf.h b/src/cbuf.h
index 83975db..df55f1a 100644
--- a/src/cbuf.h
+++ b/src/cbuf.h
@@ -70,6 +70,12 @@ cbuf_size(const struct cbuf *cbuf)
     return cbuf->end - cbuf->start;
 }
 
+static inline size_t
+cbuf_avail_size(const struct cbuf *cbuf)
+{
+    return cbuf_capacity(cbuf) - cbuf_size(cbuf);
+}
+
 static inline void
 cbuf_clear(struct cbuf *cbuf)
 {
-- 
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