| Greg Hartman | bd77cf7 | 2015-02-25 13:21:06 -0800 | [diff] [blame] | 1 | /* $OpenBSD: inet_ntoa.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 1983, 1993 |
| 4 | * The Regents of the University of California. All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * 3. Neither the name of the University nor the names of its contributors |
| 15 | * may be used to endorse or promote products derived from this software |
| 16 | * without specific prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 28 | * SUCH DAMAGE. |
| 29 | */ |
| 30 | |
| 31 | /* OPENBSD ORIGINAL: lib/libc/net/inet_ntoa.c */ |
| 32 | |
| 33 | #include "includes.h" |
| 34 | |
| 35 | #if defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) |
| 36 | |
| 37 | /* |
| 38 | * Convert network-format internet address |
| 39 | * to base 256 d.d.d.d representation. |
| 40 | */ |
| 41 | #include <sys/types.h> |
| 42 | #include <netinet/in.h> |
| 43 | #include <arpa/inet.h> |
| 44 | #include <stdio.h> |
| 45 | |
| 46 | char * |
| 47 | inet_ntoa(struct in_addr in) |
| 48 | { |
| 49 | static char b[18]; |
| 50 | char *p; |
| 51 | |
| 52 | p = (char *)∈ |
| 53 | #define UC(b) (((int)b)&0xff) |
| 54 | (void)snprintf(b, sizeof(b), |
| 55 | "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3])); |
| 56 | return (b); |
| 57 | } |
| 58 | |
| 59 | #endif /* defined(BROKEN_INET_NTOA) || !defined(HAVE_INET_NTOA) */ |