1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2010 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23 24#include <ast.h> 25 26/* 27 * format 4 byte local byte order ip address 28 * and optional prefix bits (if 0 <= bits <= 32) 29 */ 30 31char* 32fmtip4(register uint32_t addr, int bits) 33{ 34 char* buf; 35 int z; 36 int i; 37 38 buf = fmtbuf(z = 20); 39 i = sfsprintf(buf, z, "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, (addr)&0xff); 40 if (bits >= 0 && bits <= 32) 41 sfsprintf(buf + i, z - i, "/%d", bits); 42 return buf; 43} 44