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 "%Z%%M% %I% %E% 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 39 static const char *pname; 40 41 #pragma init(getpname) 42 const char * 43 getpname(void) 44 { 45 const char *p, *q; 46 47 if (pname != NULL) 48 return (pname); 49 50 if ((p = getexecname()) != NULL) 51 q = strrchr(p, '/'); 52 else 53 q = NULL; 54 55 if (q == NULL) 56 pname = p; 57 else 58 pname = q + 1; 59 60 return (pname); 61 } 62 63 void 64 vwarn(const char *format, va_list alist) 65 { 66 int err = errno; 67 68 if (pname != NULL) 69 (void) fprintf(stderr, "%s: ", pname); 70 71 (void) vfprintf(stderr, format, alist); 72 73 if (strchr(format, '\n') == NULL) 74 (void) fprintf(stderr, ": %s\n", strerror(err)); 75 } 76 77 /*PRINTFLIKE1*/ 78 void 79 warn(const char *format, ...) 80 { 81 va_list alist; 82 83 va_start(alist, format); 84 vwarn(format, alist); 85 va_end(alist); 86 } 87 88 void 89 vdie(const char *format, va_list alist) 90 { 91 vwarn(format, alist); 92 exit(E_ERROR); 93 } 94 95 /*PRINTFLIKE1*/ 96 void 97 die(const char *format, ...) 98 { 99 va_list alist; 100 101 va_start(alist, format); 102 vdie(format, alist); 103 va_end(alist); 104 } 105