From: Janne Huttunen <redacted>
Date: Sat, 11 Oct 2014 09:13:41 +0000 (+0300)
Subject: Flush only the requested buffers
X-Git-Tag: libserialport-0.1.1~91
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=ad7498553c7951ae5a559bd25512297be253696c;p=libserialport.git

Flush only the requested buffers

Fix the sp_flush() so that it flushes only the requested buffers
also in unix.
---

diff --git a/serialport.c b/serialport.c
index d437140..4f42740 100644
--- a/serialport.c
+++ b/serialport.c
@@ -618,11 +618,11 @@ SP_API enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers)
 		RETURN_FAIL("PurgeComm() failed");
 #else
 	int flags = 0;
-	if (buffers & SP_BUF_BOTH)
+	if (buffers == SP_BUF_BOTH)
 		flags = TCIOFLUSH;
-	else if (buffers & SP_BUF_INPUT)
+	else if (buffers == SP_BUF_INPUT)
 		flags = TCIFLUSH;
-	else if (buffers & SP_BUF_OUTPUT)
+	else if (buffers == SP_BUF_OUTPUT)
 		flags = TCOFLUSH;
 
 	/* Returns 0 upon success, -1 upon failure. */