1 /* $NetBSD: cd9660_strings.c,v 1.4 2007/01/16 17:32:05 hubertf Exp $ */ 2 3 /* 4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 5 * Perez-Rathke and Ram Vedam. All rights reserved. 6 * 7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 8 * Alan Perez-Rathke and Ram Vedam. 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 21 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 25 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 28 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 32 * OF SUCH DAMAGE. 33 */ 34 35 #include <sys/mount.h> 36 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 #include <sys/param.h> 40 #include <ctype.h> 41 42 #include "makefs.h" 43 #include "cd9660.h" 44 45 46 void 47 cd9660_uppercase_characters(char *str, int len) 48 { 49 int p; 50 51 for (p = 0; p < len; p++) { 52 if (islower((unsigned char)str[p]) ) 53 str[p] -= 32; 54 } 55 } 56 57 static inline int 58 cd9660_is_d_char(char c) 59 { 60 return (isupper((unsigned char)c) 61 || c == '_' 62 || (c >= '0' && c <= '9')); 63 } 64 65 static inline int 66 cd9660_is_a_char(char c) 67 { 68 return (isupper((unsigned char)c) 69 || c == '_' 70 || (c >= '%' && c <= '?') 71 || (c >= ' ' && c <= '\"')); 72 } 73 74 /* 75 * Test a string to see if it is composed of valid a characters 76 * @param const char* The string to test 77 * @returns int 1 if valid, 2 if valid if characters are converted to 78 * upper case, 0 otherwise 79 */ 80 int 81 cd9660_valid_a_chars(const char *str) 82 { 83 const char *c = str; 84 int upperFound = 0; 85 86 while ((*c) != '\0') { 87 if (!(cd9660_is_a_char(*c))) { 88 if (islower((unsigned char)*c) ) 89 upperFound = 1; 90 else 91 return 0; 92 } 93 c++; 94 } 95 return upperFound + 1; 96 } 97 98 /* 99 * Test a string to see if it is composed of valid d characters 100 * @param const char* The string to test 101 * @returns int 1 if valid, 2 if valid if characters are converted to 102 * upper case, 0 otherwise 103 */ 104 int 105 cd9660_valid_d_chars(const char *str) 106 { 107 const char *c=str; 108 int upperFound = 0; 109 110 while ((*c) != '\0') { 111 if (!(cd9660_is_d_char(*c))) { 112 if (islower((unsigned char)*c) ) 113 upperFound = 1; 114 else 115 return 0; 116 } 117 c++; 118 } 119 return upperFound + 1; 120 } 121