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 41 static void lafe_vwarnc(int, const char *, va_list) __LA_PRINTFLIKE(2, 0); 42 43 static const char *lafe_progname; 44 45 const char * 46 lafe_getprogname(void) 47 { 48 49 return lafe_progname; 50 } 51 52 void 53 lafe_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 69 static void 70 lafe_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 79 void 80 lafe_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 89 void 90 lafe_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