1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 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 31 char* 32 fmtip4(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