1 /* $NetBSD: cd9660_strings.c,v 1.4 2007/01/16 17:32:05 hubertf Exp $ */
4 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
5 * Perez-Rathke and Ram Vedam. All rights reserved.
7 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
8 * Alan Perez-Rathke and Ram Vedam.
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
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.
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
35 #include <sys/mount.h>
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39 #include <sys/param.h>
47 cd9660_uppercase_characters(char *str, int len)
51 for (p = 0; p < len; p++) {
52 if (islower((unsigned char)str[p]) )
58 cd9660_is_d_char(char c)
60 return (isupper((unsigned char)c)
62 || (c >= '0' && c <= '9'));
66 cd9660_is_a_char(char c)
68 return (isupper((unsigned char)c)
70 || (c >= '%' && c <= '?')
71 || (c >= ' ' && c <= '\"'));
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
81 cd9660_valid_a_chars(const char *str)
86 while ((*c) != '\0') {
87 if (!(cd9660_is_a_char(*c))) {
88 if (islower((unsigned char)*c) )
95 return upperFound + 1;
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
105 cd9660_valid_d_chars(const char *str)
110 while ((*c) != '\0') {
111 if (!(cd9660_is_d_char(*c))) {
112 if (islower((unsigned char)*c) )
119 return upperFound + 1;