1/* $NetBSD: cd9660_strings.c,v 1.6 2015/12/24 15:52:37 christos 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#if HAVE_NBTOOL_CONFIG_H 36#include "nbtool_config.h" 37#else 38#include <sys/mount.h> 39#endif 40 41#include <sys/cdefs.h> 42#include <sys/param.h> 43#include <ctype.h> 44 45#include "makefs.h" 46#include "cd9660.h" 47 48#if defined(__RCSID) && !defined(__lint) 49__RCSID("$NetBSD: cd9660_strings.c,v 1.6 2015/12/24 15:52:37 christos Exp $"); 50#endif /* !__lint */ 51 52 53void 54cd9660_uppercase_characters(char *str, size_t len) 55{ 56 size_t p; 57 58 for (p = 0; p < len; p++) { 59 if (islower((unsigned char)str[p]) ) 60 str[p] -= 32; 61 } 62} 63 64static inline int 65cd9660_is_d_char(char c) 66{ 67 return (isupper((unsigned char)c) 68 || c == '_' 69 || (c >= '0' && c <= '9')); 70} 71 72static inline int 73cd9660_is_a_char(char c) 74{ 75 return (isupper((unsigned char)c) 76 || c == '_' 77 || (c >= '%' && c <= '?') 78 || (c >= ' ' && c <= '\"')); 79} 80 81/* 82 * Test a string to see if it is composed of valid a characters 83 * @param const char* The string to test 84 * @returns int 1 if valid, 2 if valid if characters are converted to 85 * upper case, 0 otherwise 86 */ 87int 88cd9660_valid_a_chars(const char *str) 89{ 90 const char *c = str; 91 int upperFound = 0; 92 93 while ((*c) != '\0') { 94 if (!(cd9660_is_a_char(*c))) { 95 if (islower((unsigned char)*c) ) 96 upperFound = 1; 97 else 98 return 0; 99 } 100 c++; 101 } 102 return upperFound + 1; 103} 104 105/* 106 * Test a string to see if it is composed of valid d characters 107 * @param const char* The string to test 108 * @returns int 1 if valid, 2 if valid if characters are converted to 109 * upper case, 0 otherwise 110 */ 111int 112cd9660_valid_d_chars(const char *str) 113{ 114 const char *c=str; 115 int upperFound = 0; 116 117 while ((*c) != '\0') { 118 if (!(cd9660_is_d_char(*c))) { 119 if (islower((unsigned char)*c) ) 120 upperFound = 1; 121 else 122 return 0; 123 } 124 c++; 125 } 126 return upperFound + 1; 127} 128