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/* $OpenBSD: psignal.c,v 1.10 2015/08/31 02:53:57 guenther Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Print the name of the signal indicated
* along with the supplied message.
*/
#include <sys/types.h>
#include <sys/uio.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <limits.h>
void
psignal(unsigned int sig, const char *s)
{
static char buf[NL_TEXTMAX];
const char *c;
struct iovec iov[4];
int niov = 0;
c = __strsignal(sig, buf);
if (s && *s) {
iov[0].iov_base = (void *)s;
iov[0].iov_len = strlen(s);
iov[1].iov_base = ": ";
iov[1].iov_len = 2;
niov = 2;
}
iov[niov].iov_base = (void *)c;
iov[niov].iov_len = strlen(c);
iov[niov+1].iov_base = "\n";
iov[niov+1].iov_len = 1;
(void)writev(STDERR_FILENO, iov, niov+2);
}
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