1*9b9d2a55Sguenther /* $OpenBSD: psignal.c,v 1.10 2015/08/31 02:53:57 guenther Exp $ */
2df930be7Sderaadt /*
3df930be7Sderaadt * Copyright (c) 1983, 1993
4df930be7Sderaadt * The Regents of the University of California. All rights reserved.
5df930be7Sderaadt *
6df930be7Sderaadt * Redistribution and use in source and binary forms, with or without
7df930be7Sderaadt * modification, are permitted provided that the following conditions
8df930be7Sderaadt * are met:
9df930be7Sderaadt * 1. Redistributions of source code must retain the above copyright
10df930be7Sderaadt * notice, this list of conditions and the following disclaimer.
11df930be7Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
12df930be7Sderaadt * notice, this list of conditions and the following disclaimer in the
13df930be7Sderaadt * documentation and/or other materials provided with the distribution.
146580fee3Smillert * 3. Neither the name of the University nor the names of its contributors
15df930be7Sderaadt * may be used to endorse or promote products derived from this software
16df930be7Sderaadt * without specific prior written permission.
17df930be7Sderaadt *
18df930be7Sderaadt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19df930be7Sderaadt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20df930be7Sderaadt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21df930be7Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22df930be7Sderaadt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23df930be7Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24df930be7Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25df930be7Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26df930be7Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27df930be7Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28df930be7Sderaadt * SUCH DAMAGE.
29df930be7Sderaadt */
30df930be7Sderaadt
31df930be7Sderaadt /*
32df930be7Sderaadt * Print the name of the signal indicated
33df930be7Sderaadt * along with the supplied message.
34df930be7Sderaadt */
353e0f69c2Sderaadt #include <sys/types.h>
363e0f69c2Sderaadt #include <sys/uio.h>
37df930be7Sderaadt #include <signal.h>
38df930be7Sderaadt #include <string.h>
39df930be7Sderaadt #include <unistd.h>
40df930be7Sderaadt #include <limits.h>
41df930be7Sderaadt
42df930be7Sderaadt void
psignal(unsigned int sig,const char * s)4373b3e3c4Sjfb psignal(unsigned int sig, const char *s)
44df930be7Sderaadt {
45df930be7Sderaadt static char buf[NL_TEXTMAX];
4680647cb2Sotto const char *c;
473e0f69c2Sderaadt struct iovec iov[4];
483e0f69c2Sderaadt int niov = 0;
49df930be7Sderaadt
50df930be7Sderaadt c = __strsignal(sig, buf);
51df930be7Sderaadt if (s && *s) {
523e0f69c2Sderaadt iov[0].iov_base = (void *)s;
536fec79c1Sray iov[0].iov_len = strlen(s);
543e0f69c2Sderaadt iov[1].iov_base = ": ";
553e0f69c2Sderaadt iov[1].iov_len = 2;
563e0f69c2Sderaadt niov = 2;
57df930be7Sderaadt }
583e0f69c2Sderaadt iov[niov].iov_base = (void *)c;
593e0f69c2Sderaadt iov[niov].iov_len = strlen(c);
603e0f69c2Sderaadt iov[niov+1].iov_base = "\n";
613e0f69c2Sderaadt iov[niov+1].iov_len = 1;
623e0f69c2Sderaadt (void)writev(STDERR_FILENO, iov, niov+2);
63df930be7Sderaadt }
64