From d38944f84780c8e4270cd1e4ae3b994c31524eb7 Mon Sep 17 00:00:00 2001
From: Richard Braun <rbraun@sceen.net>
Date: Thu, 27 Dec 2018 21:16:53 +0100
Subject: cbuf: optimize writes that don't extend the ring buffer size

---
 src/cbuf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/cbuf.c b/src/cbuf.c
index a176b2a..9c28fbe 100644
--- a/src/cbuf.c
+++ b/src/cbuf.c
@@ -151,6 +151,7 @@ cbuf_write(struct cbuf *cbuf, size_t index, const void *buf, size_t size)
 
     if (!cbuf_index_valid(cbuf, new_end)) {
         cbuf->end = new_end;
+        cbuf_update_start(cbuf);
 
         if (size > cbuf_capacity(cbuf)) {
             skip = size - cbuf_capacity(cbuf);
@@ -173,7 +174,6 @@ cbuf_write(struct cbuf *cbuf, size_t index, const void *buf, size_t size)
     }
 
     memcpy(start, buf, size);
-    cbuf_update_start(cbuf);
     return 0;
 }
 
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