1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright (c) 1998-2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27#pragma ident "@(#)utils.c 1.2 05/06/08 SMI" 28 29#include <string.h> 30#include <stdlib.h> 31#include <stdarg.h> 32#include <stdio.h> 33#include <errno.h> 34 35#include "utils.h" 36 37/*LINTLIBRARY*/ 38 39static const char *pname; 40 41#if !defined(__APPLE__) 42#pragma init(getpname) 43const char * 44getpname(void) 45{ 46 const char *p, *q; 47 48 if (pname != NULL) 49 return (pname); 50 51 if ((p = getexecname()) != NULL) 52 q = strrchr(p, '/'); 53 else 54 q = NULL; 55 56 if (q == NULL) 57 pname = p; 58 else 59 pname = q + 1; 60 61 return (pname); 62} 63#endif /* __APPLE__ */ 64 65void 66vwarn(const char *format, va_list alist) 67{ 68 int err = errno; 69 70 if (pname != NULL) 71 (void) fprintf(stderr, "%s: ", pname); 72 73 (void) vfprintf(stderr, format, alist); 74 75 if (strchr(format, '\n') == NULL) 76 (void) fprintf(stderr, ": %s\n", strerror(err)); 77} 78 79/*PRINTFLIKE1*/ 80void 81warn(const char *format, ...) 82{ 83 va_list alist; 84 85 va_start(alist, format); 86 vwarn(format, alist); 87 va_end(alist); 88} 89 90void 91vdie(const char *format, va_list alist) 92{ 93 vwarn(format, alist); 94 exit(E_ERROR); 95} 96 97/*PRINTFLIKE1*/ 98void 99die(const char *format, ...) 100{ 101 va_list alist; 102 103 va_start(alist, format); 104 vdie(format, alist); 105 va_end(alist); 106} 107