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 #include <string.h> 28 #include <stdlib.h> 29 #include <stdarg.h> 30 #include <stdio.h> 31 #include <errno.h> 32 33 #include "utils.h" 34 35 /*LINTLIBRARY*/ 36 37 static const char *pname; 38 39 #pragma init(getpname) 40 const char * 41 getpname(void) 42 { 43 const char *p, *q; 44 45 if (pname != NULL) 46 return (pname); 47 48 if ((p = getexecname()) != NULL) 49 q = strrchr(p, '/'); 50 else 51 q = NULL; 52 53 if (q == NULL) 54 pname = p; 55 else 56 pname = q + 1; 57 58 return (pname); 59 } 60 61 void 62 vwarn(const char *format, va_list alist) 63 { 64 int err = errno; 65 66 if (pname != NULL) 67 (void) fprintf(stderr, "%s: ", pname); 68 69 (void) vfprintf(stderr, format, alist); 70 71 if (strchr(format, '\n') == NULL) 72 (void) fprintf(stderr, ": %s\n", strerror(err)); 73 } 74 75 /*PRINTFLIKE1*/ 76 void 77 warn(const char *format, ...) 78 { 79 va_list alist; 80 81 va_start(alist, format); 82 vwarn(format, alist); 83 va_end(alist); 84 } 85 86 void 87 vdie(const char *format, va_list alist) 88 { 89 vwarn(format, alist); 90 exit(E_ERROR); 91 } 92 93 /*PRINTFLIKE1*/ 94 void 95 die(const char *format, ...) 96 { 97 va_list alist; 98 99 va_start(alist, format); 100 vdie(format, alist); 101 va_end(alist); 102 } 103