1/*- 2 * Copyright (c) 2003-2007 Tim Kientzle 3 * 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 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include "lafe_platform.h" 28#ifdef HAVE_STDARG_H 29#include <stdarg.h> 30#endif 31#include <stdio.h> 32#ifdef HAVE_STDLIB_H 33#include <stdlib.h> 34#endif 35#ifdef HAVE_STRING_H 36#include <string.h> 37#endif 38 39#include "err.h" 40 41static void lafe_vwarnc(int, const char *, va_list) __LA_PRINTFLIKE(2, 0); 42 43static const char *lafe_progname; 44 45const char * 46lafe_getprogname(void) 47{ 48 49 return lafe_progname; 50} 51 52void 53lafe_setprogname(const char *name, const char *defaultname) 54{ 55 56 if (name == NULL) 57 name = defaultname; 58#if defined(_WIN32) && !defined(__CYGWIN__) 59 lafe_progname = strrchr(name, '\\'); 60 if (strrchr(name, '/') > lafe_progname) 61#endif 62 lafe_progname = strrchr(name, '/'); 63 if (lafe_progname != NULL) 64 lafe_progname++; 65 else 66 lafe_progname = name; 67} 68 69static void 70lafe_vwarnc(int code, const char *fmt, va_list ap) 71{ 72 fprintf(stderr, "%s: ", lafe_progname); 73 vfprintf(stderr, fmt, ap); 74 if (code != 0) 75 fprintf(stderr, ": %s", strerror(code)); 76 fprintf(stderr, "\n"); 77} 78 79void 80lafe_warnc(int code, const char *fmt, ...) 81{ 82 va_list ap; 83 84 va_start(ap, fmt); 85 lafe_vwarnc(code, fmt, ap); 86 va_end(ap); 87} 88 89void 90lafe_errc(int eval, int code, const char *fmt, ...) 91{ 92 va_list ap; 93 94 va_start(ap, fmt); 95 lafe_vwarnc(code, fmt, ap); 96 va_end(ap); 97 exit(eval); 98} 99