[sigrok-devel] [RFC PATCH] Flush buffers when opening port

[Wolfram S. <ws...@th...>]

Make sure that all buffers are empty after opening (on all supported
systems).

Signed-off-by: Wolfram Sang <ws...@th...>
---

This came up while debugging bug #1025. It doesn't fix the bug but I
think it is still nice to have. Opinions?

 serialport.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/serialport.c b/serialport.c
index eddd028..13c9a63 100644
--- a/serialport.c
+++ b/serialport.c
@@ -648,6 +648,10 @@ SP_API enum sp_return sp_open(struct sp_port *port, enum sp_mode flags)
 		RETURN_CODEVAL(ret);
 	}
 
+	ret = sp_flush(port, SP_BUF_BOTH);
+	if (ret < 0)
+		DEBUG("Flushing buffers failed");
+
 	RETURN_OK();
 }
 
-- 
2.20.1