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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Error-handling routines 31 */ 32 33 #include <string.h> 34 #include <stdlib.h> 35 #include <stdarg.h> 36 #include <stdio.h> 37 #include <errno.h> 38 39 #include <inj_err.h> 40 41 /*LINTLIBRARY*/ 42 43 static const char *pname; 44 45 #pragma init(getpname) 46 const char * 47 getpname(void) 48 { 49 const char *p, *q; 50 51 if (pname != NULL) 52 return (pname); 53 54 if ((p = getexecname()) != NULL) 55 q = strrchr(p, '/'); 56 else 57 q = NULL; 58 59 if (q == NULL) 60 pname = p; 61 else 62 pname = q + 1; 63 64 return (pname); 65 } 66 67 void 68 vwarn(const char *format, va_list alist) 69 { 70 int err = errno; 71 72 if (pname != NULL) 73 (void) fprintf(stderr, "%s: ", pname); 74 75 (void) vfprintf(stderr, format, alist); 76 77 if (strchr(format, '\n') == NULL) 78 (void) fprintf(stderr, ": %s\n", strerror(err)); 79 } 80 81 /*PRINTFLIKE1*/ 82 void 83 warn(const char *format, ...) 84 { 85 va_list alist; 86 87 va_start(alist, format); 88 vwarn(format, alist); 89 va_end(alist); 90 } 91 92 void 93 vdie(const char *format, va_list alist) 94 { 95 vwarn(format, alist); 96 exit(E_ERROR); 97 } 98 99 /*PRINTFLIKE1*/ 100 void 101 die(const char *format, ...) 102 { 103 va_list alist; 104 105 va_start(alist, format); 106 vdie(format, alist); 107 va_end(alist); 108 } 109 110 int 111 inj_set_errno(int err) 112 { 113 errno = err; 114 return (-1); 115 } 116