/**************************************************************************** * libc/net/lib_inetntoa.c * * Copyright (C) 2007-2008, 2011-2012, 2015 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #ifdef CONFIG_NET_IPv4 /**************************************************************************** * Global Functions ****************************************************************************/ /**************************************************************************** * Name: inet_ntoa * * Description: * The inet_ntoa() function converts the Internet host address in given in * network byte order to a string in standard numbers-and-dots notation. * The string is returned in a statically allocated buffer, which subsequent * calls will overwrite. * ****************************************************************************/ #ifdef CONFIG_CAN_PASS_STRUCTS FAR char *inet_ntoa(struct in_addr in) { static char buffer[INET_ADDRSTRLEN+2]; FAR char *ptr = (FAR char*)&in.s_addr; sprintf(buffer, "%d.%d.%d.%d", ptr[0], ptr[1], ptr[2], ptr[3]); return buffer; } #else FAR char *_inet_ntoa(in_addr_t in) { static char buffer[INET_ADDRSTRLEN+2]; FAR char *ptr = (FAR char*)∈ sprintf(buffer, "%d.%d.%d.%d", ptr[0], ptr[1], ptr[2], ptr[3]); return buffer; } #endif #endif /* CONFIG_NET_IPv4 */