xref: /original-bsd/lib/libc/gen/psignal.c (revision 7211505a)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #if defined(LIBC_SCCS) && !defined(lint)
19 static char sccsid[] = "@(#)psignal.c	5.3 (Berkeley) 07/26/88";
20 #endif /* LIBC_SCCS and not lint */
21 
22 /*
23  * Print the name of the signal indicated
24  * along with the supplied message.
25  */
26 #include <signal.h>
27 
28 extern	char *sys_siglist[];
29 
30 psignal(sig, s)
31 	unsigned int sig;
32 	char *s;
33 {
34 	register char *c;
35 	register int n;
36 
37 	if (sig < NSIG)
38 		c = sys_siglist[sig];
39 	else
40 		c = "Unknown signal";
41 	n = strlen(s);
42 	if (n) {
43 		(void)write(2, s, n);
44 		(void)write(2, ": ", 2);
45 	}
46 	(void)write(2, c, strlen(c));
47 	(void)write(2, "\n", 1);
48 }
49