Index: uspace/lib/c/generic/device/char_dev.c
===================================================================
--- uspace/lib/c/generic/device/char_dev.c	(revision 67472b9b2fe45eb27d0fdbb80b57702416e56ce2)
+++ 	(revision )
@@ -1,127 +1,0 @@
-/*
- * Copyright (c) 2010 Lenka Trochtova
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in the
- *   documentation and/or other materials provided with the distribution.
- * - The name of the author may not be used to endorse or promote products
- *   derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- /** @addtogroup libc
- * @{
- */
-/** @file
- */
-
-#include <ipc/dev_iface.h>
-#include <device/char_dev.h>
-#include <errno.h>
-#include <async.h>
-#include <malloc.h>
-#include <stdio.h>
-
-/** Read to or write from device.
- *
- * Helper function to read to or write from a device
- * using its character interface.
- *
- * @param sess Session to the device.
- * @param buf  Buffer for the data read from or written to the device.
- * @param size Maximum size of data (in bytes) to be read or written.
- * @param read Read from the device if true, write to it otherwise.
- *
- * @return Non-negative number of bytes actually read from or
- *         written to the device on success, negative error number
- *         otherwise.
- *
- */
-static ssize_t char_dev_rw(async_sess_t *sess, void *buf, size_t size, bool read)
-{
-	ipc_call_t answer;
-	aid_t req;
-	int ret;
-	
-	async_exch_t *exch = async_exchange_begin(sess);
-	
-	if (read) {
-		req = async_send_1(exch, DEV_IFACE_ID(CHAR_DEV_IFACE),
-		    CHAR_DEV_READ, &answer);
-		ret = async_data_read_start(exch, buf, size);
-	} else {
-		req = async_send_1(exch, DEV_IFACE_ID(CHAR_DEV_IFACE),
-		    CHAR_DEV_WRITE, &answer);
-		ret = async_data_write_start(exch, buf, size);
-	}
-	
-	async_exchange_end(exch);
-	
-	sysarg_t rc;
-	if (ret != EOK) {
-		async_wait_for(req, &rc);
-		if (rc == EOK)
-			return (ssize_t) ret;
-		
-		return (ssize_t) rc;
-	}
-	
-	async_wait_for(req, &rc);
-	
-	ret = (int) rc;
-	if (ret != EOK)
-		return (ssize_t) ret;
-	
-	return (ssize_t) IPC_GET_ARG1(answer);
-}
-
-/** Read from character device.
- *
- * @param sess Session to the device.
- * @param buf  Output buffer for the data read from the device.
- * @param size Maximum size (in bytes) of the data to be read.
- *
- * @return Non-negative number of bytes actually read from the
- *         device on success, negative error number otherwise.
- *
- */
-ssize_t char_dev_read(async_sess_t *sess, void *buf, size_t size)
-{
-	return char_dev_rw(sess, buf, size, true);
-}
-
-/** Write to character device.
- *
- * @param sess Session to the device.
- * @param buf  Input buffer containg the data to be written to the
- *             device.
- * @param size Maximum size (in bytes) of the data to be written.
- *
- * @return Non-negative number of bytes actually written to the
- *         device on success, negative error number otherwise.
- *
- */
-ssize_t char_dev_write(async_sess_t *sess, void *buf, size_t size)
-{
-	return char_dev_rw(sess, buf, size, false);
-}
-
-/** @}
- */