From d868b5eaa1e14eb0678e0a4abe6c65b8bb7984fa Mon Sep 17 00:00:00 2001
From: Lizongdi <1210855344@qq.com>
Date: Thu, 17 Sep 2026 11:09:43 +0800
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---
 library/ringbuffer/ringbuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/ringbuffer/ringbuffer.c b/library/ringbuffer/ringbuffer.c
index 76d40cd..46958ee 100644
--- a/library/ringbuffer/ringbuffer.c
+++ b/library/ringbuffer/ringbuffer.c
@@ -91,7 +91,7 @@ int rd_RingbufferSpaceLen(rd_ringbuf_t *rb)
     	iRet =  ri - wi;
     }
 
-    if (iRet > 0)
+    if (iRet >= 0)
     {
     	return iRet;
     }