1/* idna.h Declarations for IDNA.
2 * Copyright (C) 2002, 2003, 2004 Simon Josefsson
3 *
4 * This file is part of GNU Libidn.
5 *
6 * GNU Libidn is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * GNU Libidn is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with GNU Libidn; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#ifndef _IDNA_H
21#define _IDNA_H
22
23#ifdef __cplusplus
24extern "C"
25{
26#endif
27
28#include <stddef.h> /* size_t */
29#include <stdint.h> /* uint32_t */
30
31 /* Error codes. */
32 typedef enum
33 {
34 IDNA_SUCCESS = 0,
35 IDNA_STRINGPREP_ERROR = 1,
36 IDNA_PUNYCODE_ERROR = 2,
37 IDNA_CONTAINS_NON_LDH = 3,
38 /* Workaround typo in earlier versions. */
39 IDNA_CONTAINS_LDH = IDNA_CONTAINS_NON_LDH,
40 IDNA_CONTAINS_MINUS = 4,
41 IDNA_INVALID_LENGTH = 5,
42 IDNA_NO_ACE_PREFIX = 6,
43 IDNA_ROUNDTRIP_VERIFY_ERROR = 7,
44 IDNA_CONTAINS_ACE_PREFIX = 8,
45 IDNA_ICONV_ERROR = 9,
46 /* Internal errors. */
47 IDNA_MALLOC_ERROR = 201,
48 IDNA_DLOPEN_ERROR = 202
49 } Idna_rc;
50
51 /* IDNA flags */
52 typedef enum
53 {
54 IDNA_ALLOW_UNASSIGNED = 0x0001,
55 IDNA_USE_STD3_ASCII_RULES = 0x0002
56 } Idna_flags;
57
58#ifndef IDNA_ACE_PREFIX
59#define IDNA_ACE_PREFIX "xn--"
60#endif
61
62 /* Core functions */
63 extern int idna_to_ascii_4i (const uint32_t * in, size_t inlen,
64 char *out, int flags);
65 extern int idna_to_unicode_44i (const uint32_t * in, size_t inlen,
66 uint32_t * out, size_t * outlen, int flags);
67
68 /* Wrappers that handle several labels */
69
70 extern int idna_to_ascii_4z (const uint32_t * input,
71 char **output, int flags);
72
73 extern int idna_to_ascii_8z (const char *input, char **output, int flags);
74
75 extern int idna_to_ascii_lz (const char *input, char **output, int flags);
76
77
78 extern int idna_to_unicode_4z4z (const uint32_t * input,
79 uint32_t ** output, int flags);
80
81 extern int idna_to_unicode_8z4z (const char *input,
82 uint32_t ** output, int flags);
83
84 extern int idna_to_unicode_8z8z (const char *input,
85 char **output, int flags);
86
87 extern int idna_to_unicode_8zlz (const char *input,
88 char **output, int flags);
89
90 extern int idna_to_unicode_lzlz (const char *input,
91 char **output, int flags);
92
93#ifdef __cplusplus
94}
95#endif
96#endif /* _PUNYCODE_H */
97