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