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 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #include <sys/param.h> 28 #include <libintl.h> 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 static const char PNAME_FMT[] = "%s: "; 38 static const char ERRNO_FMT[] = ": %s\n"; 39 40 static const char *pname; 41 42 /*PRINTFLIKE1*/ 43 void 44 warn(const char *format, ...) 45 { 46 int err = errno; 47 va_list alist; 48 49 if (pname != NULL) 50 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 51 52 va_start(alist, format); 53 (void) vfprintf(stderr, format, alist); 54 va_end(alist); 55 56 if (strchr(format, '\n') == NULL) 57 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 58 } 59 60 /*PRINTFLIKE1*/ 61 void 62 die(const char *format, ...) 63 { 64 int err = errno; 65 va_list alist; 66 67 if (pname != NULL) 68 (void) fprintf(stderr, gettext(PNAME_FMT), pname); 69 70 va_start(alist, format); 71 (void) vfprintf(stderr, format, alist); 72 va_end(alist); 73 74 if (strchr(format, '\n') == NULL) 75 (void) fprintf(stderr, gettext(ERRNO_FMT), strerror(err)); 76 77 exit(E_ERROR); 78 } 79 80 const char * 81 getpname(const char *arg0) 82 { 83 const char *p = strrchr(arg0, '/'); 84 85 if (p == NULL) 86 p = arg0; 87 else 88 p++; 89 90 pname = p; 91 return (p); 92 } 93 94 int 95 valid_abspath(const char *p) 96 { 97 if (p[0] != '/') { 98 warn(gettext("pathname is not an absolute path -- %s\n"), p); 99 return (0); 100 } 101 102 if (strlen(p) > MAXPATHLEN) { 103 warn(gettext("pathname is too long -- %s\n"), p); 104 return (0); 105 } 106 107 return (1); 108 } 109 110 int 111 valid_str2int(const char *p, int *ip) 112 { 113 int i; 114 char *q; 115 116 errno = 0; 117 i = (int)strtol(p, &q, 10); 118 119 if (errno != 0 || q == p || i < 0 || (*q != '\0' && *q != '\n')) 120 return (0); 121 122 *ip = i; 123 return (1); 124 } 125 126 int 127 valid_str2ull(const char *p, unsigned long long *ullp) 128 { 129 long long ll; 130 char *q; 131 132 errno = 0; 133 ll = strtoll(p, &q, 10); 134 135 if (errno != 0 || q == p || ll < 0LL || (*q != '\0' && *q != '\n')) 136 return (0); 137 138 *ullp = (unsigned long long)ll; 139 return (1); 140 } 141