1 /* $NetBSD: cd9660_strings.c,v 1.4 2007/01/16 17:32:05 hubertf Exp $ */
4 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
6 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
7 * Perez-Rathke and Ram Vedam. All rights reserved.
9 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
10 * Alan Perez-Rathke and Ram Vedam.
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials provided
20 * with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
23 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
27 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
30 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
37 #include <sys/mount.h>
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
41 #include <sys/param.h>
49 cd9660_uppercase_characters(char *str, int len)
53 for (p = 0; p < len; p++) {
54 if (islower((unsigned char)str[p]) )
60 cd9660_is_d_char(char c)
62 return (isupper((unsigned char)c)
64 || (c >= '0' && c <= '9'));
68 cd9660_is_a_char(char c)
70 return (isupper((unsigned char)c)
72 || (c >= '%' && c <= '?')
73 || (c >= ' ' && c <= '\"'));
77 * Test a string to see if it is composed of valid a characters
78 * @param const char* The string to test
79 * @returns int 1 if valid, 2 if valid if characters are converted to
80 * upper case, 0 otherwise
83 cd9660_valid_a_chars(const char *str)
88 while ((*c) != '\0') {
89 if (!(cd9660_is_a_char(*c))) {
90 if (islower((unsigned char)*c) )
97 return upperFound + 1;
101 * Test a string to see if it is composed of valid d characters
102 * @param const char* The string to test
103 * @returns int 1 if valid, 2 if valid if characters are converted to
104 * upper case, 0 otherwise
107 cd9660_valid_d_chars(const char *str)
112 while ((*c) != '\0') {
113 if (!(cd9660_is_d_char(*c))) {
114 if (islower((unsigned char)*c) )
121 return upperFound + 1;