1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: head/lib/libc/gen/psignal.c 335898 2018-07-03 17:31:45Z jhb $
32 *
33 * @(#)psignal.c 8.1 (Berkeley) 6/4/93
34 */
35
36 /*
37 * Print the name of the signal indicated
38 * along with the supplied message.
39 */
40 #include "namespace.h"
41 #include <signal.h>
42 #include <string.h>
43 #include <unistd.h>
44 #include "un-namespace.h"
45
46 void
psignal(int sig,const char * s)47 psignal(int sig, const char *s)
48 {
49 const char *c;
50
51 if (sig >= 0 && sig < NSIG)
52 c = sys_siglist[sig];
53 else
54 c = "Unknown signal";
55 if (s != NULL && *s != '\0') {
56 _write(STDERR_FILENO, s, strlen(s));
57 _write(STDERR_FILENO, ": ", 2);
58 }
59 _write(STDERR_FILENO, c, strlen(c));
60 _write(STDERR_FILENO, "\n", 1);
61 }
62
63 void
psiginfo(const siginfo_t * si,const char * s)64 psiginfo(const siginfo_t *si, const char *s)
65 {
66 psignal(si->si_signo, s);
67 }
68