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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #if defined(LIBC_SCCS) && !defined(lint) 35 static char rcsid[] = "$OpenBSD: psignal.c,v 1.3 1999/09/16 19:06:00 deraadt Exp $"; 36 #endif /* LIBC_SCCS and not lint */ 37 38 /* 39 * Print the name of the signal indicated 40 * along with the supplied message. 41 */ 42 #include <sys/types.h> 43 #include <sys/uio.h> 44 #include <signal.h> 45 #include <string.h> 46 #include <unistd.h> 47 #include <limits.h> 48 49 extern char *__strsignal __P((int , char *)); 50 51 void 52 psignal(sig, s) 53 unsigned int sig; 54 const char *s; 55 { 56 static char buf[NL_TEXTMAX]; 57 register const char *c; 58 register int n; 59 struct iovec iov[4]; 60 int niov = 0; 61 62 c = __strsignal(sig, buf); 63 if (s && *s) { 64 65 n = strlen(s); 66 iov[0].iov_base = (void *)s; 67 iov[0].iov_len = n; 68 iov[1].iov_base = ": "; 69 iov[1].iov_len = 2; 70 niov = 2; 71 } 72 iov[niov].iov_base = (void *)c; 73 iov[niov].iov_len = strlen(c); 74 iov[niov+1].iov_base = "\n"; 75 iov[niov+1].iov_len = 1; 76 (void)writev(STDERR_FILENO, iov, niov+2); 77 } 78