From 40835b8d80945556d07a58c07f8585dc941e1026 Mon Sep 17 00:00:00 2001
From: Jef Driesen <jefdriesen@users.sourceforge.net>
Date: Tue, 27 Nov 2007 15:09:38 +0000
Subject: [PATCH] Added a function to configure the size of the input and
 output buffers.

---
 serial.h       |  2 ++
 serial_posix.c | 13 +++++++++++++
 serial_win32.c | 17 +++++++++++++++++
 3 files changed, 32 insertions(+)

diff --git a/serial.h b/serial.h
index ecf1b67..6527aaf 100644
--- a/serial.h
+++ b/serial.h
@@ -58,6 +58,8 @@ int serial_configure (serial *device, int baudrate, int databits, int parity, in
 
 int serial_set_timeout (serial *device, long timeout /* milliseconds */);
 
+int serial_set_queue_size (serial *device, unsigned int input, unsigned int output);
+
 int serial_read (serial *device, void* data, unsigned int size);
 int serial_write (serial *device, const void* data, unsigned int size);
 
diff --git a/serial_posix.c b/serial_posix.c
index abe0d76..6c8e8d0 100644
--- a/serial_posix.c
+++ b/serial_posix.c
@@ -323,6 +323,19 @@ serial_set_timeout (serial *device, long timeout)
 }
 
 
+//
+// Configure the serial port (recommended size of the input/output buffers).
+//
+
+int
+serial_set_queue_size (serial *device, unsigned int input, unsigned int output)
+{
+	if (device == NULL)
+		return -1; // ERROR_INVALID_PARAMETER (The parameter is incorrect)
+
+	return 0;
+}
+
 struct timeouts_t {
 	int interval;
 	int total;
diff --git a/serial_win32.c b/serial_win32.c
index b951708..7357d91 100644
--- a/serial_win32.c
+++ b/serial_win32.c
@@ -311,6 +311,23 @@ serial_set_timeout (serial* device, long timeout)
 	return 0;
 }
 
+//
+// Configure the serial port (recommended size of the input/output buffers).
+//
+
+int
+serial_set_queue_size (serial *device, unsigned int input, unsigned int output)
+{
+	if (device == NULL)
+		return -1; // ERROR_INVALID_PARAMETER (The parameter is incorrect)
+
+	if (!SetupComm (device->hFile, input, output)) {
+		TRACE ("SetupComm");
+		return -1;
+	}
+
+	return 0;
+}
 
 int
 serial_read (serial* device, void* data, unsigned int size)