1 /* 2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 #ifdef HAVE_CONFIG_H 35 #include <config.h> 36 RCSID("$Id: warnerr.c,v 1.8 1999/12/02 16:58:54 joda Exp $"); 37 #endif 38 39 #include "roken.h" 40 #include "err.h" 41 42 #ifndef HAVE___PROGNAME 43 const char *__progname; 44 #endif 45 46 void 47 set_progname(char *argv0) 48 { 49 #ifndef HAVE___PROGNAME 50 char *p; 51 if(argv0 == NULL) 52 return; 53 p = strrchr(argv0, '/'); 54 if(p == NULL) 55 p = argv0; 56 else 57 p++; 58 __progname = p; 59 #endif 60 } 61 62 void 63 warnerr(int doerrno, const char *fmt, va_list ap) 64 { 65 int sverrno = errno; 66 if(__progname != NULL){ 67 fprintf(stderr, "%s", __progname); 68 if(fmt != NULL || doerrno) 69 fprintf(stderr, ": "); 70 } 71 if (fmt != NULL){ 72 vfprintf(stderr, fmt, ap); 73 if(doerrno) 74 fprintf(stderr, ": "); 75 } 76 if(doerrno) 77 fprintf(stderr, "%s", strerror(sverrno)); 78 fprintf(stderr, "\n"); 79 } 80