1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if defined(LIBC_SCCS) && !defined(lint) 31 static char rcsid[] = "$OpenBSD: psignal.c,v 1.5 2003/06/02 20:18:34 millert Exp $"; 32 #endif /* LIBC_SCCS and not lint */ 33 34 /* 35 * Print the name of the signal indicated 36 * along with the supplied message. 37 */ 38 #include <sys/types.h> 39 #include <sys/uio.h> 40 #include <signal.h> 41 #include <string.h> 42 #include <unistd.h> 43 #include <limits.h> 44 45 extern char *__strsignal(int , char *); 46 47 void 48 psignal(sig, s) 49 unsigned int sig; 50 const char *s; 51 { 52 static char buf[NL_TEXTMAX]; 53 register const char *c; 54 register int n; 55 struct iovec iov[4]; 56 int niov = 0; 57 58 c = __strsignal(sig, buf); 59 if (s && *s) { 60 61 n = strlen(s); 62 iov[0].iov_base = (void *)s; 63 iov[0].iov_len = n; 64 iov[1].iov_base = ": "; 65 iov[1].iov_len = 2; 66 niov = 2; 67 } 68 iov[niov].iov_base = (void *)c; 69 iov[niov].iov_len = strlen(c); 70 iov[niov+1].iov_base = "\n"; 71 iov[niov+1].iov_len = 1; 72 (void)writev(STDERR_FILENO, iov, niov+2); 73 } 74