xref: /original-bsd/lib/libc/gen/psignal.c (revision 9a765c18)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #if defined(LIBC_SCCS) && !defined(lint)
9 static char sccsid[] = "@(#)psignal.c	5.6 (Berkeley) 02/23/91";
10 #endif /* LIBC_SCCS and not lint */
11 
12 /*
13  * Print the name of the signal indicated
14  * along with the supplied message.
15  */
16 #include <sys/signal.h>
17 #include <string.h>
18 #include <unistd.h>
19 
20 void
21 psignal(sig, s)
22 	unsigned int sig;
23 	const char *s;
24 {
25 	register char *c;
26 	register int n;
27 
28 	if (sig < NSIG)
29 		c = sys_siglist[sig];
30 	else
31 		c = "Unknown signal";
32 	n = strlen(s);
33 	if (n) {
34 		(void)write(STDERR_FILENO, s, n);
35 		(void)write(STDERR_FILENO, ": ", 2);
36 	}
37 	(void)write(STDERR_FILENO, c, strlen(c));
38 	(void)write(STDERR_FILENO, "\n", 1);
39 }
40