70 lines
3.0 KiB
C
70 lines
3.0 KiB
C
/****************************************************************************
|
|
* lib/net/lib_etherntoa.c
|
|
*
|
|
* Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "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
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <stdio.h>
|
|
|
|
#include <net/ethernet.h>
|
|
#include <netinet/ether.h>
|
|
|
|
/****************************************************************************
|
|
* Global Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: ether_ntoa
|
|
*
|
|
* Description:
|
|
* The ether_ntoa() function converts the Ethernet host address addr given
|
|
* in network byte order to a string in standard hex-digits-and-colons
|
|
* notation. The string is returned in a statically allocated buffer, which
|
|
* subsequent calls will overwrite.
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR char *ether_ntoa(FAR const struct ether_addr *addr)
|
|
{
|
|
static char buffer[20];
|
|
sprintf(buffer, "%02x:%02x:%02x:%02x:%02x:%02x",
|
|
addr->ether_addr_octet[0], addr->ether_addr_octet[1],
|
|
addr->ether_addr_octet[2], addr->ether_addr_octet[3],
|
|
addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
|
|
return buffer;
|
|
}
|