1 /***********************************************************************
2 * *
3 * This software is part of the ast package *
4 * Copyright (c) 1985-2011 AT&T Intellectual Property *
5 * and is licensed under the *
6 * Eclipse Public License, Version 1.0 *
7 * by AT&T Intellectual Property *
8 * *
9 * A copy of the License is available at *
10 * http://www.eclipse.org/org/documents/epl-v10.html *
11 * (with md5 checksum b35adb5213ca9657e911e9befb180842) *
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*
fmtip4(register uint32_t addr,int bits)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