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) 1999-2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/param.h> 30 #include <libintl.h> 31 #include <string.h> 32 #include <stdlib.h> 33 #include <stdarg.h> 34 #include <stdio.h> 35 #include <errno.h> 36 37 #include "utils.h" 38 39 static char PNAME_FMT[] = "%s: "; 40 static char ERRNO_FMT[] = ": %s\n"; 41 42 static char *pname; 43 44 /*PRINTFLIKE1*/ 45 void 46 warn(char *format, ...) 47 { 48 int err = errno; 49 va_list alist; 50 if (pname != NULL) 51 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 52 va_start(alist, format); 53 (void) vfprintf(stderr, format, alist); 54 va_end(alist); 55 if (strchr(format, '\n') == NULL) 56 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 57 } 58 59 /*PRINTFLIKE1*/ 60 void 61 die(char *format, ...) 62 { 63 int err = errno; 64 va_list alist; 65 66 if (pname != NULL) 67 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 68 va_start(alist, format); 69 (void) vfprintf(stderr, format, alist); 70 va_end(alist); 71 if (strchr(format, '\n') == NULL) 72 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 73 exit(E_ERROR); 74 } 75 76 char * 77 setprogname(char *arg0) 78 { 79 char *p = strrchr(arg0, '/'); 80 81 if (p == NULL) 82 p = arg0; 83 else 84 p++; 85 pname = p; 86 return (pname); 87 } 88 89 int 90 valid_abspath(char *p) 91 { 92 if (p[0] != '/') { 93 die(gettext("%s is not an absolute pathname\n"), p); 94 } 95 if (strlen(p) > MAXPATHLEN) { 96 errno = ENAMETOOLONG; 97 return (0); 98 } 99 return (1); 100 } 101