From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Mon, 18 Apr 2005 01:25:56 +0000 (+0000)
Subject: * comedi/kcomedilib/get.c: Added comedi_mark_buffer_written() to
X-Git-Tag: r0_7_71~147
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=6d274a4728cd8ee4985821ebcb0c513c63ac0492;p=comedi.git

* comedi/kcomedilib/get.c: Added comedi_mark_buffer_written() to
kcomedilib.
---

diff --git a/ChangeLog b/ChangeLog
index 4cfa263e..ccb32f8f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-17  Frank Hess  <fmhess@users.sourceforge.net>
+
+	* comedi/kcomedilib/get.c: Added comedi_mark_buffer_written() to
+	kcomedilib.
+
 2005-04-07  David Schleef  <ds@schleef.org>
 
 	* ChangeLog-0.7: Move ChangeLog to ChangeLog-0.7, and start
diff --git a/comedi/kcomedilib/get.c b/comedi/kcomedilib/get.c
index 1f79ca50..0d7c45d8 100644
--- a/comedi/kcomedilib/get.c
+++ b/comedi/kcomedilib/get.c
@@ -232,6 +232,24 @@ int comedi_mark_buffer_read( comedi_t *d, unsigned int subdevice,
 	return 0;
 }
 
+int comedi_mark_buffer_written( comedi_t *d, unsigned int subdevice,
+	unsigned int num_bytes )
+{
+	comedi_device *dev = (comedi_device *)d;
+	comedi_subdevice *s = dev->subdevices + subdevice;
+	comedi_async *async;
+	int bytes_written;
+	
+	if( subdevice >= dev->n_subdevices ) return -1;
+	async = s->async;
+	if( async == NULL ) return -1;
+	bytes_written = comedi_buf_write_alloc(async, num_bytes);
+	comedi_buf_munge(dev, s, async->buf_write_alloc_count - async->munge_count);
+	comedi_buf_write_free(async, bytes_written);
+	if(bytes_written != num_bytes) return -1;
+	return 0;
+}
+
 
 int comedi_get_buffer_size(comedi_t *d,unsigned int subdev)
 {