1 /* $NetBSD: cd9660_strings.c,v 1.5 2011/03/23 13:11:51 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 1.5 2011/03/23 13:11:51 christos Exp $");
50 #endif /* !__lint */
51
52
53 void
cd9660_uppercase_characters(char * str,int len)54 cd9660_uppercase_characters(char *str, int len)
55 {
56 int p;
57
58 for (p = 0; p < len; p++) {
59 if (islower((unsigned char)str[p]) )
60 str[p] -= 32;
61 }
62 }
63
64 static inline int
cd9660_is_d_char(char c)65 cd9660_is_d_char(char c)
66 {
67 return (isupper((unsigned char)c)
68 || c == '_'
69 || (c >= '0' && c <= '9'));
70 }
71
72 static inline int
cd9660_is_a_char(char c)73 cd9660_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 */
87 int
cd9660_valid_a_chars(const char * str)88 cd9660_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 */
111 int
cd9660_valid_d_chars(const char * str)112 cd9660_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