xref: /illumos-gate/usr/src/contrib/ast/src/lib/libast/string/fmtsignal.c (revision b30d193948be5a7794d7ae3ba0ed9c2f72c88e0f)
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  * Glenn Fowler
25  * AT&T Bell Laboratories
26  *
27  * if sig>=0 then return signal text for signal sig
28  * otherwise return signal name for signal -sig
29  */
30 
31 #include <ast.h>
32 #include <sig.h>
33 
34 char*
fmtsignal(register int sig)35 fmtsignal(register int sig)
36 {
37 	char*	buf;
38 	int	z;
39 
40 	if (sig >= 0)
41 	{
42 		if (sig <= sig_info.sigmax)
43 			buf = sig_info.text[sig];
44 		else
45 		{
46 			buf = fmtbuf(z = 20);
47 			sfsprintf(buf, z, "Signal %d", sig);
48 		}
49 	}
50 	else
51 	{
52 		sig = -sig;
53 		if (sig <= sig_info.sigmax)
54 			buf = sig_info.name[sig];
55 		else
56 		{
57 			buf = fmtbuf(z = 20);
58 			sfsprintf(buf, z, "%d", sig);
59 		}
60 	}
61 	return buf;
62 }
63