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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <sys/param.h> 29 #include <libintl.h> 30 #include <string.h> 31 #include <stdlib.h> 32 #include <stdarg.h> 33 #include <stdio.h> 34 #include <errno.h> 35 36 #include "utils.h" 37 38 static char PNAME_FMT[] = "%s: "; 39 static char ERRNO_FMT[] = ": %s\n"; 40 41 static char *pname; 42 43 /*PRINTFLIKE1*/ 44 void 45 warn(const char *format, ...) 46 { 47 int err = errno; 48 va_list alist; 49 if (pname != NULL) 50 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 51 va_start(alist, format); 52 (void) vfprintf(stderr, format, alist); 53 va_end(alist); 54 if (strchr(format, '\n') == NULL) 55 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 56 } 57 58 /*PRINTFLIKE1*/ 59 void 60 die(char *format, ...) 61 { 62 int err = errno; 63 va_list alist; 64 65 if (pname != NULL) 66 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 67 va_start(alist, format); 68 (void) vfprintf(stderr, format, alist); 69 va_end(alist); 70 if (strchr(format, '\n') == NULL) 71 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 72 exit(E_ERROR); 73 } 74 75 char * 76 setprogname(char *arg0) 77 { 78 char *p = strrchr(arg0, '/'); 79 80 if (p == NULL) 81 p = arg0; 82 else 83 p++; 84 pname = p; 85 return (pname); 86 } 87 88 int 89 valid_abspath(char *p) 90 { 91 if (p[0] != '/') { 92 die(gettext("%s is not an absolute pathname\n"), p); 93 } 94 if (strlen(p) > MAXPATHLEN) { 95 errno = ENAMETOOLONG; 96 return (0); 97 } 98 return (1); 99 } 100