1/* $Id: util.h,v 1.1 2003/06/04 00:25:44 marka Exp $ */
2/*
3 * Copyright (c) 2000,2002 Japan Network Information Center.
4 * All rights reserved.
5 *
6 * By using this file, you agree to the terms and conditions set forth bellow.
7 *
8 * 			LICENSE TERMS AND CONDITIONS
9 *
10 * The following License Terms and Conditions apply, unless a different
11 * license is obtained from Japan Network Information Center ("JPNIC"),
12 * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
13 * Chiyoda-ku, Tokyo 101-0047, Japan.
14 *
15 * 1. Use, Modification and Redistribution (including distribution of any
16 *    modified or derived work) in source and/or binary forms is permitted
17 *    under this License Terms and Conditions.
18 *
19 * 2. Redistribution of source code must retain the copyright notices as they
20 *    appear in each source code file, this License Terms and Conditions.
21 *
22 * 3. Redistribution in binary form must reproduce the Copyright Notice,
23 *    this License Terms and Conditions, in the documentation and/or other
24 *    materials provided with the distribution.  For the purposes of binary
25 *    distribution the "Copyright Notice" refers to the following language:
26 *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
27 *
28 * 4. The name of JPNIC may not be used to endorse or promote products
29 *    derived from this Software without specific prior written approval of
30 *    JPNIC.
31 *
32 * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
33 *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34 *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
35 *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
36 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
37 *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
38 *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
39 *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
40 *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
41 *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
42 *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
43 */
44
45#ifndef IDN_UTIL_H
46#define IDN_UTIL_H 1
47
48#ifdef __cplusplus
49extern "C" {
50#endif
51
52/*
53 * Utility functions.
54 */
55
56/*
57 * Check ACE prefix.
58 *
59 * These functions examine whether `str' begins with `prefix'.
60 * They disregard the case difference of ASCII letters ([A-Za-z]).
61 * They return 1 if `str' has the ACE prefix, 0 otherwise.
62 */
63extern int
64idn__util_asciihaveaceprefix(const char *str, const char *prefix);
65extern int
66idn__util_ucs4haveaceprefix(const unsigned long *str, const char *prefix);
67
68/*
69 * Check if all codepoints in the UCS4 string `str' are in the ASCII
70 * range (i.e. U+0000...U+007F).
71 *
72 * The function return 1 if it is, 0 otherwise.
73 */
74extern int
75idn__util_ucs4isasciirange(const unsigned long *str);
76
77/*
78 * Get registry information from the system. (Windows only)
79 */
80#ifdef WIN32
81/*
82 * registry top type.
83 */
84typedef enum {
85	idn__util_hkey_currentuser,
86	idn__util_hkey_localmachine
87} idn__util_hkey_t;
88
89extern int
90idn__util_getregistrystring(idn__util_hkey_t topkey, const char *name,
91			    char *str, size_t length);
92#endif /* WIN32 */
93
94#ifdef __cplusplus
95}
96#endif
97
98#endif /* IDN_UTIL_H */
99